US20220348554A1 - Therapeutically active compounds and their methods of use - Google Patents

Therapeutically active compounds and their methods of use Download PDF

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US20220348554A1
US20220348554A1 US16/905,736 US202016905736A US2022348554A1 US 20220348554 A1 US20220348554 A1 US 20220348554A1 US 202016905736 A US202016905736 A US 202016905736A US 2022348554 A1 US2022348554 A1 US 2022348554A1
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alkyl
alkylene
ring
compound
phenyl
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US11505538B1 (en
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Giovanni Cianchetta
Byron Delabarre
Janeta Popovici-Muller
Francesco G. Salituro
Jeffrey O. Saunders
Jeremy Travins
Shunqi Yan
Tao Guo
Li Zhang
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Servier Pharmaceuticals LLC
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Servier Pharmaceuticals LLC
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D413/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
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    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/14—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/53—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with three nitrogens as the only ring hetero atoms, e.g. chlorazanil, melamine
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/535—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one oxygen as the ring hetero atoms, e.g. 1,2-oxazines
    • A61K31/5375—1,4-Oxazines, e.g. morpholine
    • A61K31/5377—1,4-Oxazines, e.g. morpholine not condensed and containing further heterocyclic rings, e.g. timolol
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
    • A61P35/02—Antineoplastic agents specific for leukemia
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D251/14—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hydrogen or carbon atoms directly attached to at least one ring carbon atom
    • C07D251/16—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hydrogen or carbon atoms directly attached to at least one ring carbon atom to only one ring carbon atom
    • C07D251/18—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hydrogen or carbon atoms directly attached to at least one ring carbon atom to only one ring carbon atom with nitrogen atoms directly attached to the two other ring carbon atoms, e.g. guanamines
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
    • C07D401/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
    • C07D401/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
    • C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
    • C07D403/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
    • C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
    • C07D403/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/12—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/14—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D413/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
    • C07D413/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D413/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
    • C07D413/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
    • C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
    • C07D417/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/08—Bridged systems

Definitions

  • Isocitrate dehydrogenases catalyze the oxidative decarboxylation of isocitrate to 2-oxoglutarate (i.e., ⁇ -ketoglutarate). These enzymes belong to two distinct subclasses, one of which utilizes NAD(+) as the electron acceptor and the other NADP(+).
  • NAD(+) the electron acceptor
  • NADP(+)-dependent isocitrate dehydrogenases Five isocitrate dehydrogenases have been reported: three NAD(+)-dependent isocitrate dehydrogenases, which localize to the mitochondrial matrix, and two NADP(+)-dependent isocitrate dehydrogenases, one of which is mitochondrial and the other predominantly cytosolic. Each NADP(+)-dependent isozyme is a homodimer.
  • IDH2 isocitrate dehydrogenase 2 (NADP+), mitochondrial
  • IDH isocitrate dehydrogenase 2 (NADP+), mitochondrial
  • IDP isocitrate dehydrogenase 2
  • IDHM isocitrate dehydrogenase 2
  • ICD-M isocitrate dehydrogenase 2
  • mNADP-IDH isocitrate dehydrogenase 2 (NADP+), mitochondrial
  • the protein encoded by this gene is the NADP(+)-dependent isocitrate dehydrogenase found in the mitochondria. It plays a role in intermediary metabolism and energy production. This protein may tightly associate or interact with the pyruvate dehydrogenase complex.
  • Human IDH2 gene encodes a protein of 452 amino acids. The nucleotide and amino acid sequences for IDH2 can be found as GenBank entries NM_002168.2 and NP_002159.2 respectively.
  • nucleotide and amino acid sequence for human IDH2 are also described in, e.g., Huh et al., Submitted (November 1992) to the EMBL/GenBank/DDBJ databases; and The MGC Project Team, Genome Res. 14:2121-2127 (2004).
  • Non-mutant e.g., wild type, IDH2 catalyzes the oxidative decarboxylation of isocitrate to ⁇ -ketoglutarate ( ⁇ -KG) thereby reducing NAD + (NADP + ) to NADH (NADPH), e.g., in the forward reaction:
  • the compound of Formula I or II or as described in any one of the embodiments herein inhibits mutant IDH2, particularly mutant IDH2 having alpha hydroxyl neoactivity. Also described herein are pharmaceutical compositions comprising a compound of Formula I and methods of using such compositions to treat cancers characterized by the presence of a mutant IDH2.
  • halo or halogen refers to any radical of fluorine, chlorine, bromine or iodine.
  • alkyl refers to a fully saturated or unsaturated hydrocarbon chain that may be a straight chain or branched chain, containing the indicated number of carbon atoms.
  • C 1 -C 12 alkyl indicates that the group may have from 1 to 12 (inclusive) carbon atoms in it.
  • haloalkyl refers to an alkyl in which one or more hydrogen atoms are replaced by halo, and includes alkyl moieties in which all hydrogens have been replaced by halo (e.g., perfluoroalkyl).
  • arylalkyl or “aralkyl” refer to an alkyl moiety in which an alkyl hydrogen atom is replaced by an aryl group.
  • Aralkyl includes groups in which more than one hydrogen atom has been replaced by an aryl group.
  • arylalkyl or “aralkyl” include benzyl, 2-phenylethyl, 3-phenylpropyl, 9-fluorenyl, benzhydryl, and trityl groups.
  • alkyl includes “alkenyl” and “alkynyl”.
  • alkylene refers to a divalent alkyl, e.g., —CH 2 —, —CH 2 CH 2 —, —CH 2 CH 2 CH 2 — and —CH 2 CH(CH 3 )CH 2 —.
  • alkenyl refers to a straight or branched hydrocarbon chain containing 2-12 carbon atoms and having one or more double bonds.
  • alkenyl groups include, but are not limited to, allyl, propenyl, 2-butenyl, 3-hexenyl and 3-octenyl groups.
  • One of the double bond carbons may optionally be the point of attachment of the alkenyl substituent.
  • alkynyl refers to a straight or branched hydrocarbon chain containing 2-12 carbon atoms and characterized in having one or more triple bonds.
  • alkynyl groups include, but are not limited to, ethynyl, propargyl, and 3-hexynyl.
  • One of the triple bond carbons may optionally be the point of attachment of the alkynyl substituent.
  • alkoxy refers to an —O-alkyl radical.
  • haloalkoxy refers to an alkoxy in which one or more hydrogen atoms are replaced by halo, and includes alkoxy moieties in which all hydrogens have been replaced by halo (e.g., perfluoroalkoxy).
  • aryl refers to a fully aromatic monocyclic, bicyclic, or tricyclic hydrocarbon ring system. Examples of aryl moieties are phenyl, naphthyl, and anthracenyl. Unless otherwise specified, any ring atom in an aryl can be substituted by one or more substituents.
  • monocyclic aryl means a monocyclic fully romatic hydrocarbon ring system, optionally substituted by one or more substituents which can not form a fused bicyclic or tricyclic ring.
  • Carbocyclyl refers to a non-aromatic, monocyclic, bicyclic, or tricyclic hydrocarbon ring system.
  • Carbocyclyl groups include fully saturated ring systems (e.g., cycloalkyls), and partially saturated ring systems.
  • cycloalkyl as employed herein includes saturated cyclic, bicyclic, tricyclic, or polycyclic hydrocarbon groups having 3 to 12 carbons. Any ring atom can be substituted (e.g., by one or more substituents). Examples of cycloalkyl moieties include, but are not limited to, cyclopropyl, cyclohexyl, methylcyclohexyl, adamantyl, and norbornyl.
  • heteroaryl refers to a fully aromatic 5-8 membered monocyclic, 8-12 membered bicyclic, or 11-14 membered tricyclic ring system having 1-3 heteroatoms if monocyclic, 1-6 heteroatoms if bicyclic, or 1-9 heteroatoms if tricyclic, said heteroatoms selected from O, N, or S (or the oxidized forms such as N + —O ⁇ , S(O) and S(O) 2 ).
  • monocyclic heteroaryl means a monocyclic fully romatic ring system having 1-3 heteroatoms, optionally substituted by one or more substituents which can not form a fused bicyclic or tricyclic ring.
  • heterocyclyl refers to a nonaromatic, 3-10 membered monocyclic, 8-12 membered bicyclic, or 11-14 membered tricyclic ring system having 1-3 heteroatoms if monocyclic, 1-6 heteroatoms if bicyclic, or 1-9 heteroatoms if tricyclic, said heteroatoms selected from O, N, or S (or the oxidized forms such as N + —O ⁇ , S(O) and S(O) 2 ).
  • the heteroatom may optionally be the point of attachment of the heterocyclyl substituent.
  • heterocyclyl examples include, but are not limited to, tetrahydrofuranyl, tetrahydropyranyl, piperidinyl, morpholino, pyrrolinyl, pyrimidinyl, and pyrrolidinyl.
  • Heterocyclyl groups include fully saturated ring systems, and partially saturated ring systems.
  • Bicyclic and tricyclic ring systems containing one or more heteroatoms and both aromatic and non-aromatic rings are considered to be heterocyclyl or heteroaryl groups.
  • Bicyclic or tricyclic ring systems where an aryl or a heteroaryl is fused to a carbocyclyl or heterocyclyl and the point of attachment from the ring system to the rest of the molecule is through an aromatic ring are considered to be aryl or heteroaryl groups, respectively.
  • Bicyclic or tricyclic ring systems where an aryl or a heteroaryl is fused to a carbocyclyl or heterocyclyl and the point of attachment from the ring system to the rest of the molecule is through the non-aromatic ring are considered to be carbocyclyl (e.g., cycloalkyl) or heterocyclyl groups, respectively.
  • Aryl, heteroaryl, carbocyclyl (including cycloalkyl), and heterocyclyl groups, either alone or a part of a group (e.g., the aryl portion of an aralkyl group), are optionally substituted at one or more substitutable atoms with, unless specified otherwise, substituents independently selected from: halo, C 1 -C 4 alkyl, ⁇ O, —OR b , —OR b′ , —SR b , —SR b′ , —(C 1 -C 4 alkyl)-N(R b )(R b ), —(C 1 -C 4 alkyl)-N(R b )(R b′ ), —N(R b )(R b ), —N(R b )(R b′ ), —O—(C 1 -C 4 alkyl)-N(R b )(R b ), —O—(
  • Heterocyclyl groups are optionally substituted on one or more any substitutable nitrogen atom with oxo, —C 1 -C 4 alkyl, or fluoro-substituted C 1 -C 4 alkyl.
  • substituted refers to the replacement of a hydrogen atom by another group.
  • the term “elevated levels of 2HG” means 10%, 20% 30%, 50%, 75%, 100%, 200%, 500% or more 2HG then is present in a subject that does not carry a mutant IDH2 allele.
  • the term “elevated levels of 2HG” may refer to the amount of 2HG within a cell, within a tumor, within an organ comprising a tumor, or within a bodily fluid.
  • the term “bodily fluid” includes one or more of amniotic fluid surrounding a fetus, aqueous humour, blood (e.g., blood plasma), serum, Cerebrospinal fluid, cerumen, chyme, Cowper's fluid, female ejaculate, interstitial fluid, lymph, breast milk, mucus (e.g., nasal drainage or phlegm), pleural fluid, pus, saliva, sebum, semen, serum, sweat, tears, urine, vaginal secretion, or vomit.
  • blood e.g., blood plasma
  • serum Cerebrospinal fluid
  • cerumen cerumen
  • chyme chyme
  • Cowper's fluid female ejaculate
  • interstitial fluid lymph
  • breast milk mucus (e.g., nasal drainage or phlegm)
  • mucus e.g., nasal drainage or phlegm
  • pleural fluid pus, saliva, sebum, semen, serum
  • inhibitor or “prevent” include both complete and partial inhibition and prevention.
  • An inhibitor may completely or partially inhibit the intended target.
  • treat means decrease, suppress, attenuate, diminish, arrest, or stabilize the development or progression of a disease/disorder (e.g., a cancer), lessen the severity of the disease/disorder (e.g., a cancer) or improve the symptoms associated with the disease/disorder (e.g., a cancer).
  • a disease/disorder e.g., a cancer
  • lessen the severity of the disease/disorder e.g., a cancer
  • improve the symptoms associated with the disease/disorder e.g., a cancer
  • an amount of a compound effective to treat a disorder refers to an amount of the compound which is effective, upon single or multiple dose administration to a subject, in treating a cell, or in curing, alleviating, relieving or improving a subject with a disorder beyond that expected in the absence of such treatment.
  • the term “subject” is intended to include human and non-human animals.
  • exemplary human subjects include a human patient (referred to as a patient) having a disorder, e.g., a disorder described herein or a normal subject.
  • a disorder e.g., a disorder described herein or a normal subject.
  • non-human animals of one aspect of the invention includes all vertebrates, e.g., non-mammals (such as chickens, amphibians, reptiles) and mammals, such as non-human primates, domesticated and/or agriculturally useful animals, e.g., sheep, dog, cat, cow, pig, etc.
  • ring A is an optionally substituted 5-6 member monocyclic aryl or monocyclic heteroaryl
  • ring B is an optionally substituted 5-6 member monocyclic aryl or monocyclic heteroaryl
  • R 3 are each independently selected from hydrogen, C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, —O—C 1 -C 4 alkyl, and CN, wherein any alkyl portion of R 1 is optionally substituted with —OH, NH 2 , NH(C 1 -C 4 alkyl), or N(C 1 -C 4 alkyl) 2 ;
  • R 2 is selected from: —(C 1 -C 6 alkyl), —(C 2 -C 6 alkenyl or alkynyl), —(C 1 -C 6 alkylene)-N(R 6 )—(C 1 -C 6 alkylene)-O—(C 1 -C 6 alkyl), —(C 1 -C 6 alkylene)-N(R 6 )—(C 0 -C 6 alkylene)-Q, —(C 1 -C 6 alkylene)-N(R 6 )(R 6 ), —(C 1 -C 6 alkylene)-N(R 6 )—S(O) 1-2 —(C 1 -C 6 alkyl), —(C 1 -C 6 alkylene)-N(R 6 )—S(O) 1-2 —(C 0 -C 6 alkyl)-Q, —(C 1 -C 6 alkylene)-S(O) 1-2 —N(
  • any alkyl or alkylene moiety present in R 2 is optionally substituted with one or more —OH, —O(C 1 -C 4 alkyl) or halo;
  • any terminal methyl moiety present in R 2 is optionally replaced with —CH 2 OH, CF 3 , —CH 2 F, —CH 2 C 1 , C(O)CH 3 , C(O)CF 3 , CN, or CO 2 H;
  • each R 6 is independently selected from hydrogen and C 1 -C 6 alkyl
  • Q is selected from aryl, heteroaryl, carbocyclyl and heterocyclyl; and Q is optionally substituted; or
  • ring A is an optionally substituted 5-6 member monocyclic aryl or monocyclic heteroaryl
  • R 1 is independently selected from hydrogen, —CH 3 , —CH 2 CH 3 , —CH 2 OH, CN, or R 1 and R 3 are taken together to form ⁇ O.
  • R 1 and R 2 are taken together to form carbocyclyl or heterocyclyl, either of which is optionally substituted with up to 3 substituents independently selected from halo.
  • R 2 is —(C 1 -C 4 alkyl) optionally substituted with fluoro or —OH; —(C 0 -C 4 alkylene)-O—(C 1 -C 4 alkyl), —(C 0 -C 2 alkylene)-N(R 6 )—(C 1 -C 6 alkyl), —(C 0 -C 2 alkylene)-Q, and —O—(C 0 -C 2 alkylene)-Q, wherein Q is optionally substituted with up to 3 substituents independently selected from C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, C 1 -C 4 alkoxy, ⁇ O, —C(O)—C 1 -C 4 alkyl, —CN, and halo.
  • Q is selected from pyridinyl, tetrahydrofuranyl, cyclobutyl, cyclopropyl, phenyl, pyrazolyl, morpholinyl and oxetanyl, wherein Q is optionally substituted with up to 2 substituents independently selected from C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, ⁇ O, fluoro, chloro, and bromo.
  • Q is selected from pyridinyl, tetrahydrofuranyl, cyclobutyl, cyclopropyl, phenyl, pyrazolyl, morpholinyl and oxetanyl, wherein Q is optionally substituted with up to 2 substituents independently selected from —CH 3 and ⁇ O.
  • R 1 and R 2 are taken together to form cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, tetrahydrofuranyl, tetrahydropyranyl, oxetanyl, bicyclo[2.2.1]heptanyl, oxobicyclo[3.1.0]hexanyl, azetidinyl, phenyl and pyridinyl, any of which is optionally substituted with up to 2 substituents independently selected from C 1 -C 4 alkyl, C 1 -C 4 alkoxy, C 3 -C 6 cycloalkyl, —OH, —C(O)CH 3 , fluoro, and chloro.
  • ring A is an optionally substituted 6-membered monocyclic aryl. In some embodiments, ring A is an optionally substituted 5-6 membered heteroaryl. In some embodiments, ring A is an optionally substituted 6 membered heteroaryl.
  • ring A is selected from phenyl, pyrazolyl, oxazolyl, isoxazolyl, pyridinyl, pyrimidinyl, pyrazinyl, and thiazolyl, wherein ring A is optionally substituted with up to two substituents independently selected from halo, —C 1 -C 4 alkyl, —C 1 -C 4 haloalkyl, —C 1 -C 4 hydroxyalkyl, —NH—S(O) 2 —(C 1 -C 4 alkyl), —S(O) 2 NH(C 1 -C 4 alkyl), —CN, —S(O) 2 —(C 1 -C 4 alkyl), C 1 -C 4 alkoxy, —NH(C 1 -C 4 alkyl), —OH, —OCF 3 , —CN, —NH 2 , —C(O)NH 2 , —C(O)NH 2
  • ring A is selected from phenyl, pyrazolyl, oxazolyl, isoxazolyl, pyridinyl, pyrimidinyl, pyrazinyl, and thiazolyl, wherein ring A is optionally substituted with up to two substituents independently selected from halo, —C 1 -C 4 alkyl, —C 1 -C 4 haloalkyl, —C 1 -C 4 hydroxyalkyl, —NH—S(O) 2 —(C 1 -C 4 alkyl), —S(O) 2 NH(C 1 -C 4 alkyl), —CN, —S(O) 2 —(C 1 -C 4 alkyl), C 1 -C 4 alkoxy, —NH(C 1 -C 4 alkyl), —OH, —CN, and —NH 2 .
  • ring B is selected from phenyl, pyrazolyl, oxazolyl, isoxazolyl, thiazolyl, pyridinyl, pyrimidinyl, pyridazinyl, and pyrazinyl, wherein ring B is optionally substituted with up to two substituents independently selected from halo, —C 1 -C 4 alkyl, —C 2 -C 4 alkynyl, —C 1 -C 4 haloalkyl, —C 1 -C 4 hydroxyalkyl, C 3 -C 6 cycloalkyl, —(C 0 -C 2 alkylene)-O—C 1 -C 4 alkyl, —O—(C 1 -C 4 alkylene)-C 3 -C 6 cycloalkyl, —NH—S(O) 2 —(C 1 -C 4 alkyl), —S(O) 2 NH(C 1 -C 4
  • the compound is a compound having Structural Formula II:
  • Ring A′ is selected from phenyl and pyridin-2-yl, wherein ring A′ is optionally substituted with one or two substituents independently selected from chloro, fluoro, —CF 3 , —CHF 2 , —CH 3 , —CH 2 CH 3 , —CF 2 CH 3 , —OH, —OCH 3 , —OCH 2 CH 3 , —NH 2 , —NH(CH 3 ), and —N(CH 3 ) 2 ;
  • Ring B′ is selected from pyridin-3-yl, pyridin-4-yl, isoxazoly-4-yl, isoxazol-3-yl, thiazol-5-yl, pyrimidin-5-yl and pyrazol-4-yl, wherein ring B′ is optionally substituted with one to two substituents independently selected from halo; —CN; —OH; C 1 -C 4 alkyl optionally substituted with halo, CN or —OH; —S(O) 2 —C 1 -C 4 alkyl; —S(O)—C 1 -C 4 alkyl; —S(O) 2 —NH—C 1 -C 4 alkyl; —S(O) 2 —N(C 1 -C 4 alkyl) 2 ; —S(O) 2 -azetidin-1-yl; —O—C 1 -C 4 alkyl; —CH 2 —O—CH 3
  • —C(R 1a )(R 2a )(R 3a ) is selected from C 1 -C 6 alkyl optionally substituted with halo or —OH; —(C 0 -C 1 alkylene)-cycloalkyl, wherein the alkylene is optionally substituted with methyl and the cycloalkyl is optionally substituted with halo, —OCH 3 or methyl; saturated heterocyclyl optionally substituted with halo or methyl; —C(O)—O—C 1 -C 6 alkyl; —C(O)—(C 0 -C 1 alkylene)-cyclopropyl; and C(O)-benzyl.
  • ring A′ is selected from 2-chlorophenyl, 2-fluorophenyl, 2-methoxyphenyl, 3-hydroxyphenyl, 6-aminopyridin-2-yl, 6-chloropyridin-2-yl, 6-trifluoromethylpyridin-2-yl, and phenyl.
  • ring B′ is selected from 2-(morpholin-4-yl)pyridin-4-yl, 2-dimethylaminopyridin-4-yl, 3-(2-methyoxyethyl)phenyl, 3,5-difluorophenyl, 3-chlorophenyl, 3-cyanomethylphenyl, 3-cyanophenyl, 3-cyclopropylaminosulfonylphenyl, 3-dimethylaminosulfonylphenyl, 3-ethylsulfonylphenyl, 3-fluorophenyl, 3-methyl sulfonylphenyl, 4-fluorophenyl, 5-chloropyridin-3-yl, 5-cyanopyridin-3-yl, 5-cyanopyridin-3-yl, 5-cyanopyridin-4-yl, 5-fluoropyridin-3-yl, 5-trifluoromethypyridin-3-yl, 6-chloropyridin-4-yl
  • the moiety represented by C(R 1a )(R 2a )(R 3a ) is selected from 2-hydroxycyclopentyl, 3-hydroxycyclopentyl, 1-methylcyclopropyl, 2-methylcyclopropyl, 3,3-difluorocyclobutyl, bicycloheptanyl, —(CH 2 ) 3 CH 3 , —CH(CH 3 )—C(CH 3 ) 3 , —CH(CH 3 )—CH 2 OCH 3 , —C(O)—C(CH 3 ) 3 , —C(O)—OC(CH 3 ) 3 , —C(O)CH 2 OH, —C(O)—CH(CH 3 ) 2 , —C(O)-1-hydroxycyclopropyl, —C(O)-2-pyrrolidinon-5-yl, —C(O)-2-pyrrolyl, —C(O)CH 2 OCH(CH 3 )
  • the moiety represented by C(R 1a )(R 2a )(R 3a ) is selected from 2-hydroxycyclopentyl, 2-methylcyclopropyl, 3,3-difluorocyclobutyl, bicycloheptanyl, —(CH 2 ) 3 CH 3 , —CH(CH 3 )—C(CH 3 ) 3 , —CH(CH 3 )—CH 2 OCH 3 , —C(O)—C(CH 3 ) 3 , —C(O)—CH(CH 3 ) 2 , —C(O)-cyclopropyl, —C(O)—OC(CH 3 ) 3 , —C(O)—OCH 2 CH(CH 3 ) 2 , —C(O)—OCH 2 CH 3 , —CH(CH 3 )—CH(CH 3 ) 2 , —CH(CH 3 )—CH 2 CH 3 , —CH 2 C(CH 3 , —CH(CH 3
  • the compound is a compound having Structural Formula II:
  • Ring A′ is selected from phenyl, pyrimidin-2-yl, pyrimidin-4-yl, pyrimidin-5-yl, oxazol-4-yl, isoxazol-3-yl, thiazol-2-yl, pyridin-3-yl and pyridin-2-yl, wherein ring A′ is optionally substituted with one or two substituents independently selected from 1-propenyl, -cyclopropyl-OH, chloro, fluoro, —CF 3 , —CHF 2 , —CH 3 , —CH 2 CH 3 , —CF 2 CH 3 , —S(O)CH 3 , —S(O) 2 CH 3 , —CH 2 OH, —CH(OH)CH 3 , —CH(OH)CF 3 , —OH, —OCH 3 , —OCF 3 , —OCH 2 CH 3 , —C(O)—NH 2 , —CH 2
  • Ring B′ is selected from phenyl, pyridin-3-yl, pyridin-4-yl, pyridazin-4-yl, isoxazol-4-yl, isoxazol-3-yl, thiazol-5-yl, pyrimidin-5-yl and pyrazol-4-yl, wherein ring B′ is optionally substituted with one to two substituents independently selected from halo; —CN; —OH; C 1 -C 4 alkyl optionally substituted with halo, CN or —OH; —S(O) 2 —C 1 -C 4 alkyl; —S(O)—C 1 -C 4 alkyl; —S(O) 2 —NH—C 1 -C 4 alkyl; —S(O) 2 —NH—CH 2 —CF 3 ; —S(O) 2 —N(C 1 -C 4 alkyl) 2 ; —S(O) 2 -
  • —C(R 1a )(R 2a )(R 3a ) is selected from C 1 -C 6 alkyl optionally substituted with halo, —OCH 3 , —P(O) 3 2 ⁇ or —OH; —(C 0 -C 1 alkylene)-cycloalkyl, wherein the alkylene is optionally substituted with methyl and the cycloalkyl is optionally substituted with —OH, —CH 2 OH, halo, —OCH 3 or methyl; saturated or partially saturated —(C 0 -C 1 alkylene)-heterocyclyl wherein the heterocyclyl is optionally substituted with halo, —S(O) 2 —CH 2 —C(O)—C 1 -C 6 alkyl, —S(O) 2 —C 1 -C 6 alkyl, —C(O)—O—C 1 -C 6 alkyl, —C(O)—N(CH
  • ring A′ is selected from 2-chlorophenyl, 2-fluorophenyl, 2-methoxyphenyl, 3-hydroxyphenyl, 3-amidophenyl, 3-methyl sulfinylphenyl, 3-methyl sulfonylphenyl, 3-(1-methanol)phenyl, 3-methanaminephenyl, 3-methoxy-2-fluorophenyl, 5-methoxy-2-fluorophenyl, 3-hydroxy-2-fluorophenyl, 5-hydroxy-2-fluorophenyl, 5-hydroxy-3-fluorophenyl, 3-methanolphenyl, 3,5-dihydroxyphenyl, 3-trifluoromethyl-5-chlorophenyl, 3-(1-hydoxy-2,2,2-trifluoroethyl)phenyl, 3-(1-hydoxyethyl)phenyl, 3-(1-hydoxycyclopropyl)phenyl, 3-hydroxymethyl-5-phenol,
  • ring B′ is selected from 2-(morpholin-4-yl)pyridin-4-yl, 2-dimethylaminopyridin-4-yl, 3-(2-methyoxyethyl)phenyl, 3,5-difluorophenyl, 3-chlorophenyl, 3-cyanomethylphenyl, 3-cyanophenyl, 3-(cyclopropylmethyl)phenyl, 3-cyclopropylaminosulfonylphenyl, 3-dimethylaminosulfonylphenyl, 3-ethyl sulfonylphenyl, 3-fluorophenyl, 3-methyl sulfonylphenyl, 4-fluorophenyl, 3-(1-hydroxyisopropyl)phenyl, 3-methylsulfonyl-5-chlorophenyl, 3-methylsulfonyl-5-fluorophenyl, 3-(N-2,2,2,-trifluoroethylaminosul
  • the moiety represented by C(R 1a )(R 2a )(R 3a ) is selected from 2-hydroxycyclopentyl, 3-hydroxycyclopentyl, 1-methylcyclopropyl, 2-methylcyclopropyl, 3,3-difluorocyclobutyl, bicycloheptanyl, —(CH 2 ) 3 CH 3 , —CH(CH 3 )—C(CH 3 ) 3 , —CH(CH 3 )—CH 2 OCH 3 , —C(O)—C(CH 3 ) 3 , —C(O)—OC(CH 3 ) 3 , —C(O)CH 2 OH, —C(O)—CH(CH 3 ) 2 , —C(O)-1-hydroxycyclopropyl, —C(O)-2-pyrrolidinon-5-yl, —C(O)-2-pyrrolyl, —C(O)CH 2 OCH(CH 3 )
  • the moiety represented by C(R 1a )(R 2a )(R 3a ) is selected from 2-hydroxycyclopentyl, 2-methylcyclopropyl, 3,3-difluorocyclobutyl, bicycloheptanyl, —(CH 2 ) 3 CH 3 , —CH(CH 3 )—C(CH 3 ) 3 , —CH(CH 3 )—CH 2 OCH 3 , —C(O)—C(CH 3 ) 3 , —C(O)—CH(CH 3 ) 2 , —C(O)-cyclopropyl, —C(O)—OC(CH 3 ) 3 , —C(O)—OCH 2 CH(CH 3 ) 2 , —C(O)—OCH 2 CH 3 , —CH(CH 3 )—CH(CH 3 ) 2 , —CH(CH 3 )—CH 2 CH 3 , —CH 2 C(CH 3 , —CH(CH 3
  • the moiety represented by C(R 1a )(R 2a )(R 3a ) is selected from 2-methylcyclopropyl, —(CH 2 ) 3 CH 3 , —CH(CH 3 )—C(CH 3 ) 3 , —CH(CH 3 )—CH 2 OCH 3 , —CH(CH 3 )—CH(CH 3 ) 2 , —CH(CH 3 )—CH 2 CH 3 , —CH 2 C(CH 3 ) 2 —CH 2 OH, —CH 2 C(OH)(CH 3 ) 3 , CH 2 C(CH 3 ) 3 , —CH 2 CF 3 , —CH 2 CH(CH 3 ) 2 , —CH(CH 3 ) 2 , —CH(CH 3 )—CH 2 CH 3 , —CH 2 CH 2 CH(CH 3 ) 2 , —CH 2 -cyclopropyl, isopropyl, and t-but
  • the compound is selected from any one of the compounds set forth in Table 1, below.
  • the preceding methods comprise step (1) reacting
  • the preceding methods comprise step (1) reacting
  • step (2) reacting
  • the preceding methods comprise step (1) reacting
  • the preceding methods wherein R 1 and R 3 are taken together with the carbon atom to form C( ⁇ O), comprise step (1) reacting
  • the preceding methods comprise step (1) reacting
  • the preceding methods comprise step (1) reacting
  • the preceding methods comprise step (1) reacting
  • the preceding methods comprise step (1) converting
  • step (2) reacting
  • the compounds of one aspect of this invention may contain one or more asymmetric centers and thus occur as racemates, racemic mixtures, scalemic mixtures, and diastereomeric mixtures, as well as single enantiomers or individual stereoisomers that are substantially free from another possible enantiomer or stereoisomer.
  • substantially free of other stereoisomers means a preparation enriched in a compound having a selected stereochemistry at one or more selected stereocenters by at least about 60%, 65%, 70%, 75%, 80%, 85%, 90%, 95%, 96%, 97%, 98%, or 99%.
  • enriched means that at least the designated percentage of a preparation is the compound having a selected stereochemistry at one or more selected stereocenters.
  • the compound of Formula I or II is enriched for a structure or structures having a selected stereochemistry at one or more carbon atoms.
  • the compound is enriched in the specific stereoisomer by at least about 60%, 65%, 70%, 75%, 80%, 85%, 90%, 95%, 96%, 97%, 98%, or 99%.
  • the compounds of Formula I or II may also comprise one or more isotopic substitutions.
  • H may be in any isotopic form, including 1 H, 2 H (D or deuterium), and 3 H (T or tritium);
  • C may be in any isotopic form, including 13 C, and 14 C;
  • O may be in any isotopic form, including 16 O and 18 O; and the like.
  • the compound is enriched in a specific isotopic form of H, C and/or O by at least about 60%, 65%, 70%, 75%, 80%, 85%, 90%, 95%, 96%, 97%, 98%, or 99%.
  • the compounds of one aspect of this invention may also be represented in multiple tautomeric forms, in such instances, one aspect of the invention expressly includes all tautomeric forms of the compounds described herein, even though only a single tautomeric form may be represented (e.g., alkylation of a ring system may result in alkylation at multiple sites, one aspect of the invention expressly includes all such reaction products; and keto-enol tautomers). All such isomeric forms of such compounds are expressly included herein.
  • a corresponding salt of the active compound for example, a pharmaceutically-acceptable salt.
  • a pharmaceutically-acceptable salt examples of pharmaceutically acceptable salts are discussed in Berge et al., 1977, “Pharmaceutically Acceptable Salts.” J. Pharm. Sci. Vol. 66, pp. 1-19.
  • a salt may be formed with a suitable cation.
  • suitable inorganic cations include, but are not limited to, alkali metal ions such as Na + and K + , alkaline earth cations such as Ca 2+ and Mg 2+ , and other cations such as Al 3+ .
  • Suitable organic cations include, but are not limited to, ammonium ion (i.e., NH 4 + ) and substituted ammonium ions (e.g., NH 3 R + , NH 2 R 2+ , NHR 3+ , NR 4+ ).
  • suitable substituted ammonium ions are those derived from: ethylamine, diethylamine, dicyclohexylamine, triethylamine, butylamine, ethylenediamine, ethanolamine, diethanolamine, piperazine, benzylamine, phenylbenzylamine, choline, meglumine, and tromethamine, as well as amino acids, such as lysine and arginine.
  • An example of a common quaternary ammonium ion is N(CH 3 ) 4 + .
  • a salt may be formed with a suitable anion.
  • suitable inorganic anions include, but are not limited to, those derived from the following inorganic acids: hydrochloric, hydrobromic, hydroiodic, sulfuric, sulfurous, nitric, nitrous, phosphoric, and phosphorous.
  • Suitable organic anions include, but are not limited to, those derived from the following organic acids: 2-acetyoxybenzoic, acetic, ascorbic, aspartic, benzoic, camphorsulfonic, cinnamic, citric, edetic, ethanedisulfonic, ethanesulfonic, fumaric, glucoheptonic, gluconic, glutamic, glycolic, hydroxymaleic, hydroxynaphthalene carboxylic, isethionic, lactic, lactobionic, lauric, maleic, malic, methanesulfonic, mucic, oleic, oxalic, palmitic, pamoic, pantothenic, phenylacetic, phenylsulfonic, propionic, pyruvic, salicylic, stearic, succinic, sulfanilic, tartaric, toluenesulfonic, and valeric.
  • the compounds provided herein therefore include the compounds themselves, as well as their salts, hydrates and their prodrugs, if applicable.
  • the compounds provided herein may be modified and converted to prodrugs by appending appropriate functionalities to enhance selected biological properties, e.g., targeting to a particular tissue.
  • modifications i.e., prodrugs
  • prodrugs are known in the art and include those which increase biological penetration into a given biological compartment (e.g., blood, lymphatic system, central nervous system), increase oral availability, increase solubility to allow administration by injection, alter metabolism and alter rate of excretion.
  • prodrugs examples include esters (e.g., phosphates, amino acid (e.g., valine) esters), carbamates and other pharmaceutically acceptable derivatives, which, upon administration to a subject, are capable of providing active compounds.
  • esters e.g., phosphates, amino acid (e.g., valine) esters
  • carbamates e.g., benzyl alcohol, benzyl ether, benzyl ether ether, sulfonate, sodium phosphates, sodium phosphates of each compound in Table 1, if applicable, are explicitly included herein.
  • Amino acid (e.g., valine) esters of each compound in Table 1, if applicable, are explicitly included herein.
  • compositions may be formulated together with a pharmaceutically acceptable carrier or adjuvant into pharmaceutically acceptable compositions prior to be administered to a subject.
  • pharmaceutically acceptable compositions further comprise additional therapeutic agents in amounts effective for achieving a modulation of disease or disease symptoms, including those described herein.
  • pharmaceutically acceptable carrier or adjuvant refers to a carrier or adjuvant that may be administered to a subject, together with a compound of one aspect of this invention, and which does not destroy the pharmacological activity thereof and is nontoxic when administered in doses sufficient to deliver a therapeutic amount of the compound.
  • Pharmaceutically acceptable carriers, adjuvants and vehicles that may be used in the pharmaceutical compositions of one aspect of this invention include, but are not limited to, ion exchangers, alumina, aluminum stearate, lecithin, self-emulsifying drug delivery systems (SEDDS) such as d- ⁇ -tocopherol polyethyleneglycol 1000 succinate, surfactants used in pharmaceutical dosage forms such as Tweens or other similar polymeric delivery matrices, serum proteins, such as human serum albumin, buffer substances such as phosphates, glycine, sorbic acid, potassium sorbate, partial glyceride mixtures of saturated vegetable fatty acids, water, salts or electrolytes, such as protamine sulfate, disodium hydrogen phosphate, potassium hydrogen phosphate, sodium chloride, zinc salts, colloidal silica, magnesium trisilicate, polyvinyl pyrrolidone, cellulose-based substances, polyethylene glycol, sodium carboxymethylcellulose, polyacrylates, waxes,
  • Cyclodextrins such as ⁇ -, ⁇ -, and ⁇ -cyclodextrin, or chemically modified derivatives such as hydroxyalkylcyclodextrins, including 2- and 3-hydroxypropyl-3-cyclodextrins, or other solubilized derivatives may also be advantageously used to enhance delivery of compounds of the formulae described herein.
  • compositions of one aspect of this invention may be administered orally, parenterally, by inhalation spray, topically, rectally, nasally, buccally, vaginally or via an implanted reservoir, preferably by oral administration or administration by injection.
  • the pharmaceutical compositions of one aspect of this invention may contain any conventional non-toxic pharmaceutically-acceptable carriers, adjuvants or vehicles.
  • the pH of the formulation may be adjusted with pharmaceutically acceptable acids, bases or buffers to enhance the stability of the formulated compound or its delivery form.
  • parenteral as used herein includes subcutaneous, intracutaneous, intravenous, intramuscular, intraarticular, intraarterial, intrasynovial, intrasternal, intrathecal, intralesional and intracranial injection or infusion techniques.
  • the pharmaceutical compositions may be in the form of a sterile injectable preparation, for example, as a sterile injectable aqueous or oleaginous suspension.
  • This suspension may be formulated according to techniques known in the art using suitable dispersing or wetting agents (such as, for example, Tween 80) and suspending agents.
  • the sterile injectable preparation may also be a sterile injectable solution or suspension in a non-toxic parenterally acceptable diluent or solvent, for example, as a solution in 1,3-butanediol.
  • suitable vehicles and solvents that may be employed are mannitol, water, Ringer's solution and isotonic sodium chloride solution.
  • sterile, fixed oils are conventionally employed as a solvent or suspending medium.
  • any bland fixed oil may be employed including synthetic mono- or diglycerides.
  • Fatty acids, such as oleic acid and its glyceride derivatives are useful in the preparation of injectables, as are natural pharmaceutically-acceptable oils, such as olive oil or castor oil, especially in their polyoxyethylated versions.
  • These oil solutions or suspensions may also contain a long-chain alcohol diluent or dispersant, or carboxymethyl cellulose or similar dispersing agents which are commonly used in the formulation of pharmaceutically acceptable dosage forms such as emulsions and or suspensions.
  • surfactants such as Tweens or Spans and/or other similar emulsifying agents or bioavailability enhancers which are commonly used in the manufacture of pharmaceutically acceptable solid, liquid, or other dosage forms may also be used for the purposes of formulation.
  • compositions of one aspect of this invention may be orally administered in any orally acceptable dosage form including, but not limited to, capsules, tablets, emulsions and aqueous suspensions, dispersions and solutions.
  • carriers which are commonly used include lactose and corn starch.
  • Lubricating agents such as magnesium stearate, are also typically added.
  • useful diluents include lactose and dried corn starch.
  • compositions of one aspect of this invention may also be administered in the form of suppositories for rectal administration.
  • These compositions can be prepared by mixing a compound of one aspect of this invention with a suitable non-irritating excipient which is solid at room temperature but liquid at the rectal temperature and therefore will melt in the rectum to release the active components.
  • suitable non-irritating excipient include, but are not limited to, cocoa butter, beeswax and polyethylene glycols.
  • Topical administration of the pharmaceutical compositions of one aspect of this invention is useful when the desired treatment involves areas or organs readily accessible by topical application.
  • the pharmaceutical composition should be formulated with a suitable ointment containing the active components suspended or dissolved in a carrier.
  • Carriers for topical administration of the compounds of one aspect of this invention include, but are not limited to, mineral oil, liquid petroleum, white petroleum, propylene glycol, polyoxyethylene polyoxypropylene compound, emulsifying wax and water.
  • the pharmaceutical composition can be formulated with a suitable lotion or cream containing the active compound suspended or dissolved in a carrier with suitable emulsifying agents.
  • Suitable carriers include, but are not limited to, mineral oil, sorbitan monostearate, polysorbate 60, cetyl esters wax, cetearyl alcohol, 2-octyldodecanol, benzyl alcohol and water.
  • the pharmaceutical compositions of one aspect of this invention may also be topically applied to the lower intestinal tract by rectal suppository formulation or in a suitable enema formulation.
  • Topically-transdermal patches are also included in one aspect of this invention.
  • compositions of one aspect of this invention may be administered by nasal aerosol or inhalation.
  • Such compositions are prepared according to techniques well-known in the art of pharmaceutical formulation and may be prepared as solutions in saline, employing benzyl alcohol or other suitable preservatives, absorption promoters to enhance bioavailability, fluorocarbons, and/or other solubilizing or dispersing agents known in the art.
  • compositions of one aspect of this invention comprise a combination of a compound of the formulae described herein and one or more additional therapeutic or prophylactic agents
  • both the compound and the additional agent should be present at dosage levels of between about 1 to 100%, and more preferably between about 5 to 95% of the dosage normally administered in a monotherapy regimen.
  • the additional agents may be administered separately, as part of a multiple dose regimen, from the compounds of one aspect of this invention. Alternatively, those agents may be part of a single dosage form, mixed together with the compounds of one aspect of this invention in a single composition.
  • the compounds described herein can, for example, be administered by injection, intravenously, intraarterially, subdermally, intraperitoneally, intramuscularly, or subcutaneously; or orally, buccally, nasally, transmucosally, topically, in an ophthalmic preparation, or by inhalation, with a dosage ranging from about 0.5 to about 100 mg/kg of body weight, alternatively dosages between 1 mg and 1000 mg/dose, every 4 to 120 hours, or according to the requirements of the particular drug.
  • the methods herein contemplate administration of an effective amount of compound or compound composition to achieve the desired or stated effect.
  • the pharmaceutical compositions of one aspect of this invention will be administered from about 1 to about 6 times per day or alternatively, as a continuous infusion.
  • Such administration can be used as a chronic or acute therapy.
  • the amount of active ingredient that may be combined with the carrier materials to produce a single dosage form will vary depending upon the host treated and the particular mode of administration.
  • a typical preparation will contain from about 5% to about 95% active compound (w/w).
  • such preparations contain from about 20% to about 80% active compound.
  • a maintenance dose of a compound, composition or combination of one aspect of this invention may be administered, if necessary. Subsequently, the dosage or frequency of administration, or both, may be reduced, as a function of the symptoms, to a level at which the improved condition is retained when the symptoms have been alleviated to the desired level. Subjects may, however, require intermittent treatment on a long-term basis upon any recurrence of disease symptoms.
  • compositions described above comprising a compound of Structural Formula I or II or a compound described in any one of the embodiments herein, may further comprise another therapeutic agent useful for treating cancer.
  • IDH2R140Q and IDH2R172K The inhibitory activities of the compounds provided herein against IDH2 mutants (e.g., IDH2R140Q and IDH2R172K) can be tested by methods described in Example 12 or analogous methods.
  • the cancer to be treated is characterized by a mutant allele of IDH2 wherein the IDH2 mutation results in a new ability of the enzyme to catalyze the NADPH-dependent reduction of ⁇ -ketoglutarate to R( ⁇ )-2-hydroxyglutarate in a subject.
  • the mutant IDH2 has an R140X mutation.
  • the R140X mutation is a R140Q mutation.
  • the R140X mutation is a R140W mutation. In another aspect of this embodiment, the R140X mutation is a R140L mutation. In another aspect of this embodiment, the mutant IDH2 has an R172X mutation. In another aspect of this embodiment, the R172X mutation is a R172K mutation. In another aspect of this embodiment, the R172X mutation is a R172G mutation.
  • Also provided are methods of treating a cancer characterized by the presence of a mutant allele of IDH2 comprising the step of administering to subject in need thereof (a) a compound of Structural Formula I or II, a compound described in any one of the embodiments herein, or a pharmaceutically acceptable salt thereof, or (b) a pharmaceutical composition comprising (a) and a pharmaceutically acceptable carrier.
  • the cancer to be treated is characterized by a mutant allele of IDH2 wherein the IDH2 mutation results in a new ability of the enzyme to catalyze the NADPH-dependent reduction of ⁇ -ketoglutarate to R( ⁇ )-2-hydroxyglutarate in a patient.
  • the mutant IDH2 has an R140X mutation.
  • the R140X mutation is a R140Q mutation.
  • the R140X mutation is a R140W mutation.
  • the R140X mutation is a R140L mutation.
  • the mutant IDH2 has an R172X mutation.
  • the R172X mutation is a R172K mutation. In another aspect of this embodiment, the R172X mutation is a R172G mutation.
  • a cancer can be analyzed by sequencing cell samples to determine the presence and specific nature of (e.g., the changed amino acid present at) a mutation at amino acid 140 and/or 172 of IDH2.
  • mutant alleles of IDH2 wherein the IDH2 mutation results in a new ability of the enzyme to catalyze the NADPH-dependent reduction of ⁇ -ketoglutarate to R( ⁇ )-2-hydroxyglutarate, and in particular R140Q and/or R172K mutations of IDH2, characterize a subset of all types of cancers, without regard to their cellular nature or location in the body.
  • the compounds and methods of one aspect of this invention are useful to treat any type of cancer that is characterized by the presence of a mutant allele of IDH2 imparting such activity and in particular an IDH2 R140Q and/or R172K mutation.
  • the efficacy of cancer treatment is monitored by measuring the levels of 2HG in the subject. Typically levels of 2HG are measured prior to treatment, wherein an elevated level is indicated for the use of the compound of Formula I or II or a compound described in any one of the embodiments described herein to treat the cancer. Once the elevated levels are established, the level of 2HG is determined during the course of and/or following termination of treatment to establish efficacy. In certain embodiments, the level of 2HG is only determined during the course of and/or following termination of treatment. A reduction of 2HG levels during the course of treatment and following treatment is indicative of efficacy. Similarly, a determination that 2HG levels are not elevated during the course of or following treatment is also indicative of efficacy.
  • the these 2HG measurements will be utilized together with other well-known determinations of efficacy of cancer treatment, such as reduction in number and size of tumors and/or other cancer-associated lesions, improvement in the general health of the subject, and alterations in other biomarkers that are associated with cancer treatment efficacy.
  • 2HG can be detected in a sample by LC/MS.
  • the sample is mixed 80:20 with methanol, and centrifuged at 3,000 rpm for 20 minutes at 4 degrees Celsius.
  • the resulting supernatant can be collected and stored at ⁇ 80 degrees Celsius prior to LC-MS/MS to assess 2-hydroxyglutarate levels.
  • LC liquid chromatography
  • Each method can be coupled by negative electrospray ionization (ESI, ⁇ 3.0 kV) to triple-quadrupole mass spectrometers operating in multiple reaction monitoring (MRM) mode, with MS parameters optimized on infused metabolite standard solutions.
  • ESI negative electrospray ionization
  • MRM multiple reaction monitoring
  • Metabolites can be separated by reversed phase chromatography using 10 mM tributyl-amine as an ion pairing agent in the aqueous mobile phase, according to a variant of a previously reported method (Luo et al. J Chromatogr A 1147, 153-64, 2007).
  • Another method is specific for 2-hydroxyglutarate, running a fast linear gradient from 50%-95% B (buffers as defined above) over 5 minutes.
  • a Synergi Hydro-RP, 100 mm ⁇ 2 mm, 2.1 ⁇ m particle size (Phenomonex) can be used as the column, as described above.
  • Metabolites can be quantified by comparison of peak areas with pure metabolite standards at known concentration.
  • Metabolite flux studies from 13 C-glutamine can be performed as described, e.g., in Munger et al. Nat Biotechnol 26, 1179-86, 2008.
  • 2HG is directly evaluated.
  • a derivative of 2HG formed in process of performing the analytic method is evaluated.
  • a derivative can be a derivative formed in MS analysis.
  • Derivatives can include a salt adduct, e.g., a Na adduct, a hydration variant, or a hydration variant which is also a salt adduct, e.g., a Na adduct, e.g., as formed in MS analysis.
  • a metabolic derivative of 2HG is evaluated.
  • examples include species that build up or are elevated, or reduced, as a result of the presence of 2HG, such as glutarate or glutamate that will be correlated to 2HG, e.g., R-2HG.
  • Exemplary 2HG derivatives include dehydrated derivatives such as the compounds provided below or a salt adduct thereof:
  • the cancer is a tumor wherein at least 30, 40, 50, 60, 70, 80 or 90% of the tumor cells carry an IDH2 mutation, and in particular an IDH2 R140Q, R140W, or R140L and/or R172K or R172G mutation, at the time of diagnosis or treatment.
  • one aspect of the invention provides a method of treating a cancer selected from glioblastoma (glioma), myelodysplastic syndrome (MDS), myeloproliferative neoplasm (MPN), acute myelogenous leukemia (AML), sarcoma, melanoma, non-small cell lung cancer, chondrosarcoma, cholangiocarcinomas or angioimmunoblastic lymphoma in a patient by administering to the patient a compound of Formula I or Formula II in an amount effective to treat the cancer.
  • glioblastoma glioma
  • MDS myelodysplastic syndrome
  • MPN myeloproliferative neoplasm
  • AML acute myelogenous leukemia
  • sarcoma melanoma
  • non-small cell lung cancer chondrosarcoma
  • cholangiocarcinomas or angioimmunoblastic lymphoma a patient by administering to
  • the cancer to be treated is glioma, myelodysplastic syndrome (MDS), myeloproliferative neoplasm (MPN), acute myelogenous leukemia (AML), melanoma, chondrosarcoma, or angioimmunoblastic non-Hodgkin's lymphoma (NHL).
  • MDS myelodysplastic syndrome
  • MPN myeloproliferative neoplasm
  • AML acute myelogenous leukemia
  • melanoma chondrosarcoma
  • NDL angioimmunoblastic non-Hodgkin's lymphoma
  • 2HG is known to accumulate in the inherited metabolic disorder 2-hydroxyglutaric aciduria. This disease is caused by deficiency in the enzyme 2-hydroxyglutarate dehydrogenase, which converts 2HG to ⁇ -KG (Struys, E. A. et al. Am J Hum Genet 76, 358-60 (2005)).
  • 2-hydroxyglutarate dehydrogenase deficiencies accumulate 2HG in the brain as assessed by Mill and CSF analysis, develop leukoencephalopathy, and have an increased risk of developing brain tumors (Aghili, M., Zahedi, F. & Rafiee, J Neurooncol 91, 233-6 (2009); Kolker, S., Mayatepek, E. & Hoffmann, G. F.
  • 2HG may also be toxic to cells by competitively inhibiting glutamate and/or ⁇ KG utilizing enzymes.
  • These include transaminases which allow utilization of glutamate nitrogen for amino and nucleic acid biosynthesis, and ⁇ KG-dependent prolyl hydroxylases such as those which regulate Hif1-alpha levels.
  • one aspect of the invention provides a method of treating 2-hydroxyglutaric aciduria, particularly D-2-hydroxyglutaric aciduria, in a patient by administering to the patient a compound of Structural Formula I or II or a compound described in any one of the embodiments described herein.
  • Treatment methods described herein can additionally comprise various evaluation steps prior to and/or following treatment with a compound of Structural Formula I or II or a compound described in any one of the embodiments described herein.
  • the method further comprises the step of evaluating the growth, size, weight, invasiveness, stage and/or other phenotype of the cancer.
  • the method further comprises the step of evaluating the IDH2 genotype of the cancer. This may be achieved by ordinary methods in the art, such as DNA sequencing, immuno analysis, and/or evaluation of the presence, distribution or level of 2HG.
  • the method further comprises the step of determining the 2HG level in the subject.
  • This may be achieved by spectroscopic analysis, e.g., magnetic resonance-based analysis, e.g., MRI and/or MRS measurement, sample analysis of bodily fluid, such as serum or spinal cord fluid analysis, or by analysis of surgical material, e.g., by mass-spectroscopy.
  • the methods described herein comprise the additional step of co-administering to a subject in need thereof a second therapy e.g., an additional cancer therapeutic agent or an additional cancer treatment.
  • additional cancer therapeutic agents include for example, chemotherapy, targeted therapy, antibody therapies, immunotherapy, and hormonal therapy.
  • Additional cancer treatments include, for example: surgery, and radiation therapy. Examples of each of these treatments are provided below.
  • co-administering means that the additional cancer therapeutic agent may be administered together with a compound of one aspect of this invention as part of a single dosage form (such as a composition of one aspect of this invention comprising a compound of one aspect of the invention and an second therapeutic agent as described above) or as separate, multiple dosage forms.
  • the additional cancer therapeutic agent may be administered prior to, consecutively with, or following the administration of a compound of one aspect of this invention.
  • both the compounds of one aspect of this invention and the second therapeutic agent(s) are administered by conventional methods.
  • compositions of one aspect of this invention comprising both a compound of one aspect of the invention and a second therapeutic agent, to a subject does not preclude the separate administration of that same therapeutic agent, any other second therapeutic agent or any compound of one aspect of this invention to said subject at another time during a course of treatment.
  • co-administering as used herein with respect to an additional cancer treatment means that the additional cancer treatment may occur prior to, consecutively with, concurrently with or following the administration of a compound of one aspect of this invention.
  • the additional cancer therapeutic agent is a chemotherapy agent.
  • chemotherapeutic agents used in cancer therapy include, for example, antimetabolites (e.g., folic acid, purine, and pyrimidine derivatives), alkylating agents (e.g., nitrogen mustards, nitrosoureas, platinum, alkyl sulfonates, hydrazines, triazenes, aziridines, spindle poison, cytotoxic agents, topoisomerase inhibitors and others), and hypomethylating agents (e.g., decitabine (5-aza-deoxycytidine), zebularine, isothiocyanates, azacitidine (5-azacytidine), 5-flouro-2′-deoxycytidine, 5,6-dihydro-5-azacytidine and others).
  • antimetabolites e.g., folic acid, purine, and pyrimidine derivatives
  • alkylating agents e.g., nitrogen mustards, nitrosour
  • agents include Aclarubicin, Actinomycin, Alitretinoin, Altretamine, Aminopterin, Aminolevulinic acid, Amrubicin, Amsacrine, Anagrelide, Arsenic trioxide, Asparaginase, Atrasentan, Belotecan, Bexarotene, bendamustine, Bleomycin, Bortezomib, Busulfan, Camptothecin, Capecitabine, Carboplatin, Carboquone, Carmofur, Carmustine, Celecoxib, Chlorambucil, Chlormethine, Cisplatin, Cladribine, Clofarabine, Crisantaspase, Cyclophosphamide, Cytarabine, dacarbazine, Dactinomycin, Daunorubicin, Decitabine, Demecolcine, Docetaxel, Doxorubicin, Efaproxiral, Elesclomol, Elsamitrucin, Eno
  • two or more drugs are often given at the same time.
  • two or more chemotherapy agents are used as combination chemotherapy.
  • the additional cancer therapeutic agent is a differentiation agent.
  • Such differentiation agent includes retinoids (such as all-trans-retinoic acid (ATRA), 9-cis retinoic acid, 13-cis-retinoic acid (13-cRA) and 4-hydroxy-phenretinamide (4-HPR)); arsenic trioxide; histone deacetylase inhibitors HDACs (such as azacytidine (Vidaza) and butyrates (e.g., sodium phenylbutyrate)); hybrid polar compounds (such as hexamethylene bisacetamide ((HMBA)); vitamin D; and cytokines (such as colony-stimulating factors including G-CSF and GM-CSF, and interferons).
  • retinoids such as all-trans-retinoic acid (ATRA), 9-cis retinoic acid, 13-cis-retinoic acid (13-cRA) and 4-hydroxy-phenretinamide (4-HPR)
  • the additional cancer therapeutic agent is a targeted therapy agent.
  • Targeted therapy constitutes the use of agents specific for the deregulated proteins of cancer cells.
  • Small molecule targeted therapy drugs are generally inhibitors of enzymatic domains on mutated, overexpressed, or otherwise critical proteins within the cancer cell.
  • Prominent examples are the tyrosine kinase inhibitors such as Axitinib, Bosutinib, Cediranib, dasatinib, erlotinib, imatinib, gefitinib, lapatinib, Lestaurtinib, Nilotinib, Semaxanib, Sorafenib, Sunitinib, and Vandetanib, and also cyclin-dependent kinase inhibitors such as Alvocidib and Seliciclib.
  • Monoclonal antibody therapy is another strategy in which the therapeutic agent is an antibody which specifically binds to a protein on the surface of the cancer cells.
  • Examples include the anti-HER2/neu antibody trastuzumab (HERCEPTIN®) typically used in breast cancer, and the anti-CD20 antibody rituximab and Tositumomab typically used in a variety of B-cell malignancies.
  • Other exemplary antibodies include Cetuximab, Panitumumab, Trastuzumab, Alemtuzumab, Bevacizumab, Edrecolomab, and Gemtuzumab.
  • Exemplary fusion proteins include Aflibercept and Denileukin diftitox.
  • the targeted therapy can be used in combination with a compound described herein, e.g., a biguanide such as metformin or phenformin, preferably phenformin.
  • Targeted therapy can also involve small peptides as “homing devices” which can bind to cell surface receptors or affected extracellular matrix surrounding the tumor. Radionuclides which are attached to these peptides (e.g., RGDs) eventually kill the cancer cell if the nuclide decays in the vicinity of the cell.
  • RGDs Radionuclides which are attached to these peptides
  • An example of such therapy includes BEXXAR®.
  • the additional cancer therapeutic agent is an immunotherapy agent.
  • Cancer immunotherapy refers to a diverse set of therapeutic strategies designed to induce the subject's own immune system to fight the tumor. Contemporary methods for generating an immune response against tumors include intravesicular BCG immunotherapy for superficial bladder cancer, and use of interferons and other cytokines to induce an immune response in renal cell carcinoma and melanoma subjects.
  • Allogeneic hematopoietic stem cell transplantation can be considered a form of immunotherapy, since the donor's immune cells will often attack the tumor in a graft-versus-tumor effect.
  • the immunotherapy agents can be used in combination with a compound or composition described herein.
  • the additional cancer therapeutic agent is a hormonal therapy agent.
  • the growth of some cancers can be inhibited by providing or blocking certain hormones.
  • hormone-sensitive tumors include certain types of breast and prostate cancers. Removing or blocking estrogen or testosterone is often an important additional treatment.
  • administration of hormone agonists, such as progestogens may be therapeutically beneficial.
  • the hormonal therapy agents can be used in combination with a compound or a composition described herein.
  • Other possible additional therapeutic modalities include imatinib, gene therapy, peptide and dendritic cell vaccines, synthetic chlorotoxins, and radiolabeled drugs and antibodies.
  • reagents were purchased from commercial sources (including Alfa, Acros, Sigma Aldrich, TCI and Shanghai Chemical Reagent Company), and used without further purification.
  • Nuclear magnetic resonance (NMR) spectra were obtained on a Brucker AMX-400 NMR (Brucker, Switzerland). Chemical shifts were reported in parts per million (ppm, ⁇ ) downfield from tetramethylsilane.
  • Mass spectra were run with electrospray ionization (ESI) from a Waters LCT TOF Mass Spectrometer (Waters, USA).
  • a stereoisomer e.g., an (R) or (S) stereoisomer
  • a preparation of that compound such that the compound is enriched at the specified stereocenter by at least about 90%, 95%, 96%, 97%, 98%, or 99%.
  • the chemical name of each of the exemplary compound described below is generated by ChemDraw software.
  • Example 1 Preparation of Compounds of Formula I Wherein Ring A is Phenyl, and —C(R 1 )(R 2 )(R 3 ) is Isopropyl.
  • the compounds of this Example are prepared by general Scheme 1, set forth below.
  • step 1 Preparation of 2,4-dichloro-6-phenyl-1,3,5-triazine (2).
  • phenylmagnesium bromide (217 mL, 0.651 mol, 3 M in ether) dropwise at ⁇ 10 to ⁇ 0° C. under N 2 protection.
  • the mixture was warmed to room temperature and stirred for 2 hrs.
  • the reaction was cooled to 0° C. and quenched by addition of saturated NH 4 C 1 (200 mL), then extracted with ethyl acetate.
  • Example 1 Step 3 (Procedure A). Preparation of Compound 178—N-(3-Fluoro-phenyl)-N′-isopropyl-6-phenyl-[1,3,5]triazine-2,4-diamine.
  • Example 1 Step 3 (Procedure B). Preparation of Compound 288—N 2 -isopropyl-N 4 -(2-methylpyridin-4-yl)-6-phenyl-1,3,5-triazine-2,4-diamine.
  • 4-chloro-6-phenyl-[1,3,5]triazin-2-yl)-isopropyl-amine (3; 150 mg, 0.6 mmol) in DMSO (2 mL) was added 2-methylpyridin-4-amin (78.4 mg, 0.73 mmol), CsF (310 mg, 1.21 mmol) and DIPEA (230 mg, 1.81 mmol). The mixture was stirred at 80° C. for 2 h.
  • Example 2 Preparation of Compounds of Formula I Wherein Ring A is Optionally Substituted Pyridin-2-yl or Pyrimnidin-2-yl.
  • the compounds of this Example are prepared by general Scheme 2, set forth below.
  • step 1 Preparation of 1-phenyl-2-cyanoguanidine (5).
  • a solution of NaN(CN) 2 50 g, 0.5618 mol
  • water 430 mL
  • conc. HCl 132 mL/23.5 mL
  • the mixture was heated to 90° C. for 16 hours.
  • the mixture was cooled to room temperature and quenched by adding saturated sodium bicarbonate (317 mL).
  • the mixture was filtered and the filter cake was dried via vacuum to afford 1-phenyl-2-cyanoguanidine as a white solid.
  • step 1 was used to produce the following intermediates (5) using the appropriate starting material 4.
  • step 2 Preparation of 1-phenyl-2-isopropylamine-diguanidine(7).
  • 1-phenyl-2-cyanoguanidine 5.0 g, 0.031 mol
  • ethanol/water 46 mL/18.4 mL
  • CuSO 4 .5H 2 O 3.91 g, 0.01563 mol
  • isopropyl amine 5.53 g, 0.03975 mol
  • the mixture was heated to reflux for 16 hours.
  • the resultant mixture was stirred at r.t. for 30 min.
  • step 2 was used to produce the following intermediates (7) using the appropriate intermediate 5 and the appropriate amine 6.
  • step 3 Preparation of Compound 214—N-Isopropyl-N′-phenyl-6-pyridin-2-yl-[1,3,5]triazine-2,4-diamine.
  • N-isopropyl-N-phenyl-6-pyridin-2-yl-[1,3,5]triazine-2,4-diamine 0.5 g, 2.28 mmol
  • pyridine-2-carboxylic acid methyl ester 0.312 g, 2.28 mmol
  • NaOMe (0.25 g, 4.56 mmol
  • step 1 Preparation of 6-chloro-pyridine-2-carboxylic acid methyl ester (10).
  • methanol 770 ml
  • concentrated HCl 6 ml
  • the mixture was stirred at 80° C. for 48 hours then concentrated to remove the volatile.
  • the crude product was diluted with ethyl acetated and washed with Sat. NaHCO 3 solution.
  • the organic layer was dried with anhydrous Na 2 SO 4 and concentrated to give 6-chloro-pyridine-2-carboxylic acid methyl ester as a white solid.
  • step 1 was used to produce the following intermediates (10) using the appropriate starting material 9.
  • step 2 Preparation of 6-(6-chloropyridin-2-yl)-1,3,5-triazine-2,4-dione.
  • methyl 6-chloropicolinate 32 g, 0.16 mol
  • biuret 5.3 g, 0.052 mol
  • step 2 was used to produce the following intermediates (11) starting with appropriate intermediate 10. 6-(6-trifluoromethyl-pyridin-2-yl)-1H-1,3,5-triazine-2,4-dione as a pale white solid.
  • step 3 Preparation of 2,4-dichloro-6-(6-chloropyridin-2-yl)-1,3,5-triazine
  • step 4 Preparation of 4-chloro-6-(6-chloropyridin-2-yl)-N-isopropyl-1, 3, 5-triazin-2-amine.
  • 2,4-dichloro-6-(pyridin-2-yl)-1,3,5-triazine 2.0 g, 0.0077 mol
  • isopropyl amine 0.45 g, 0.0077 mol
  • step 5 Preparation of 6-(6-Chloro-pyridin-2-yl)-N-oxetan-3-yl-N′-(2-trifluoromethyl-pyridin-4-yl)-[1,3,5]triazine-2,4-diamine-Compound 356.
  • Example 4, step 1 Preparation of 4,6-dichloro-N-isopropyl-1,3,5-triazin-2-amine.
  • Example 4, step 2 Preparation of 1-[4-chloro-6-(2-fluoro-phenyl)-[1,3,5]triazin-2-ylamino]-2-methyl-propan-2-ol.
  • 4-6-dichloro-N-isopropyl-1,3,5-triazin-2-amine 1.0 g, 4.83 mmol
  • 3-fluorophenylboronic acid 0.671 g, 0.00483 mol
  • Cs 2 CO 3 3.15 g, 0.00966 mol
  • dioxane/water (12 mL/2.4 mL) was added Pd(PPh 3 ) 4 (0.56 g, 483 mmol).
  • Pd(PPh 3 ) 4 (0.56 g, 483 mmol
  • step 3 Preparation of Compound 227—6-(2-fluorophenyl)-N 2 -isopropyl-N 4 -(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • step 3 Compound 317—N 2 -cyclobutyl-6-(2-fluorophenyl)-N 4 -(3-(methylsulfonyl)phenyl)-1,3,5-triazine-2,4-diamine
  • step 3 Synthesis of Compound 318—N-Cyclobutyl-6-(2-fluoro-phenyl)-N′-(5-fluoro-pyridin-3-yl)-[1,3,5]triazine-2,4-diamine.
  • Example 5 step 2 Preparation of 4-chloro-N,6-diphenyl-1,3,5-triazin-2-amine.
  • acetone 10 mL
  • aniline 0.41 g, 4.4 mol
  • acetone 2 mL
  • Example step 3 Preparation of 2,6-diphenyl-N 4 -(tetrahydrofuran-3-yl)-1,3,5-triazine-2,4-diamine tetrahydrofuran-3-amine.
  • Compound 203 To a solution of (4-chloro-6-phenyl-[1,3,5]triazin-2-yl)-phenyl-amine (150 mg, 0.532 mmol) in anhydrous THF (5 mL) was added a solution of 1-amino-2-methyl-propan-2-ol (71 mg, 0.796 mmol) in THF (2 mL) via syringe at room temperature and the result mixture was stirred at room temperature for 16 hrs.

Abstract

Provided are compounds useful for treating cancer and methods of treating cancer comprising administering to a subject in need thereof a compound described herein.

Description

    CLAIM OF PRIORITY
  • This application is a continuation of U.S. application Ser. No. 16/388,801, filed Apr. 18, 2019, which is U.S. application Ser. No. 15/638,279, filed Jun. 29, 2017, which is a divisional of U.S. application Ser. No. 13/735,467, filed Jan. 7, 2013, which claims priority from U.S. Ser. No. 61/584,214, filed Jan. 6, 2012, each of which is incorporated herein by reference in its entirety.
    • BACKGROUND OF INVENTION
  • Isocitrate dehydrogenases (IDHs) catalyze the oxidative decarboxylation of isocitrate to 2-oxoglutarate (i.e., α-ketoglutarate). These enzymes belong to two distinct subclasses, one of which utilizes NAD(+) as the electron acceptor and the other NADP(+). Five isocitrate dehydrogenases have been reported: three NAD(+)-dependent isocitrate dehydrogenases, which localize to the mitochondrial matrix, and two NADP(+)-dependent isocitrate dehydrogenases, one of which is mitochondrial and the other predominantly cytosolic. Each NADP(+)-dependent isozyme is a homodimer.
  • IDH2 (isocitrate dehydrogenase 2 (NADP+), mitochondrial) is also known as IDH; IDP; IDHM; IDPM; ICD-M; or mNADP-IDH. The protein encoded by this gene is the NADP(+)-dependent isocitrate dehydrogenase found in the mitochondria. It plays a role in intermediary metabolism and energy production. This protein may tightly associate or interact with the pyruvate dehydrogenase complex. Human IDH2 gene encodes a protein of 452 amino acids. The nucleotide and amino acid sequences for IDH2 can be found as GenBank entries NM_002168.2 and NP_002159.2 respectively. The nucleotide and amino acid sequence for human IDH2 are also described in, e.g., Huh et al., Submitted (November 1992) to the EMBL/GenBank/DDBJ databases; and The MGC Project Team, Genome Res. 14:2121-2127 (2004).
  • Non-mutant, e.g., wild type, IDH2 catalyzes the oxidative decarboxylation of isocitrate to α-ketoglutarate (α-KG) thereby reducing NAD+ (NADP+) to NADH (NADPH), e.g., in the forward reaction:

  • Isocitrate+NAD+(NADP+)→α-KG+CO2+NADH(NADPH)+H+.
  • It has been discovered that mutations of IDH2 present in certain cancer cells result in a new ability of the enzyme to catalyze the NADPH-dependent reduction of α-ketoglutarate to R(−)-2-hydroxyglutarate (2HG). 2HG is not formed by wild-type IDH2. The production of 2HG is believed to contribute to the formation and progression of cancer (Dang, L et al, Nature 2009, 462:739-44).
  • The inhibition of mutant IDH2 and its neoactivity is therefore a potential therapeutic treatment for cancer. Accordingly, there is an ongoing need for inhibitors of IDH2 mutants having alpha hydroxyl neoactivity.
    • SUMMARY OF INVENTION
  • Described herein are compounds of Structural Formula I, or a pharmaceutically acceptable salt or hydrate thereof:
  • Figure US20220348554A1-20221103-C00001
  • wherein:
      • ring A is an optionally substituted 5-6 member monocyclic aryl or monocyclic heteroaryl;
      • ring B is an optionally substituted 5-6 member monocyclic aryl or monocyclic heteroaryl;
      • R1 and R3 are each independently selected from hydrogen, C1-C4 alkyl, C1-C4 haloalkyl, —O—C1-C4 alkyl, and CN, wherein any alkyl portion of R1 is optionally substituted with —OH, NH2, NH(C1-C4 alkyl), or N(C1-C4 alkyl)2;
      • R2 is selected from: —(C1-C6 alkyl), —(C2-C6 alkenyl or alkynyl), —(C1-C6 alkylene)-N(R6)—(C1-C6 alkylene)-O—(C1-C6 alkyl), —(C1-C6 alkylene)-N(R6)—(C0-C6 alkylene)-Q, —(C1-C6 alkylene)-N(R6)(R6), —(C1-C6 alkylene)-N(R6)—S(O)1-2—(C1-C6 alkyl), —(C1-C6 alkylene)-N(R6)—S(O)1-2—(C0-C6 alkyl)-Q, —(C1-C6 alkylene)-S(O)1-2—N(R6)(R6), —(C1-C4 alkylene)-S(O)1-2—N(R6)—(C1-C6 alkylene)-Q, —C(O)N(R6)—(C1-C6 alkylene)-C(O)—(C0-C6 alkylene)-O—(C1-C6 alkyl), —C(O)N(R6)—(C1-C6 alkylene)-C(O)—(C0-C6 alkylene)-O—(C0-C6 alkylene)-Q, —(C1-C6 alkylene)-O—C(O)—(C1-C6 alkyl), —(C1-C6 alkylene)-O—C(O)—(C0-C6 alkyl)-Q, —(C1-C6 alkylene)-O—(C1-C6 alkyl), —(C1-C6 alkylene)-O—(C1-C6 alkylene)-Q, —(C0-C6 alkylene)-C(O)—(C0-C6 alkylene)-O—(C1-C6 alkyl), —(C0-C6 alkylene)-C(O)—(C0-C6 alkylene)-O—(C1-C6 alkylene)-Q, —(C1-C6 alkylene)-O—C(O)—(C1-C6 alkyl), —(C1-C6 alkylene)-O—C(O)—(C0-C6 alkylene)-Q, —(C0-C6 alkylene)-C(O)N(R6)—(C1-C6 alkyl), —(C0-C6 alkylene)-C(O)N(R6)—(C0-C6 alkylene)-Q, —(C1-C6 alkylene)-N(R6)C(O)—(C1-C6 alkyl), —(C1-C6 alkylene)-N(R6)C(O)—(C0-C6 alkylene)-Q, —(C0-C6 alkylene)-S(O)0-2—(C1-C6 alkyl), —(C0-C6 alkylene)-S(O)0-2—(C0-C6 alkylene)-Q, —(C1-C6 alkylene)-N(R6)—C(O)—N(R6)—(C1-C6 alkyl), —(C0-C6 alkylene)-Q, —(C0-C6 alkylene)-C(O)—(C1-C6 alkyl), —(C0-C6 alkylene)-C(O)—(C0-C6 alkylene)-Q, wherein:
      • any alkyl or alkylene moiety present in R2 is optionally substituted with one or more —OH, —O(C1-C4 alkyl) or halo;
      • any terminal methyl moiety present in R2 is optionally replaced with —CH2OH, CF3, —CH2F, —CH2C1, C(O)CH3, C(O)CF3, CN, or CO2H;
      • each R6 is independently selected from hydrogen and C1-C6 alkyl; and Q is selected from aryl, heteroaryl, carbocyclyl and heterocyclyl, any of which is optionally substituted; or
      • R1 and R3 are optionally taken together with the carbon to which they are attached to form C(═O); or
      • R1 and R2 are optionally taken together to form substituted carbocyclyl, optionally substituted heterocyclyl or optionally substituted heteroaryl, wherein:
      • a. when ring A is unsubstituted phenyl, and ring B is phenyl substituted by methoxy or ethoxy; then said phenyl of ring B is not further substituted by oxazolyl;
      • b. when ring A is optionally substituted phenyl or optionally substituted pyridyl, and ring B is optionally substituted phenyl; then the portion of the compound represented by —NH—C(R1)(R2)(R3) is not —NH(CH2)-aryl;
      • c. when ring A is optionally substituted phenyl, and ring B is optionally substituted phenyl or pyrrolyl; then the portion of the compound represented by —NH—C(R1)(R2)(R3) is not —NH(CH2)C(O)NH2;
      • d. when ring A is phenyl substituted with 2 or more hydroxyl or methoxy, and ring B is optionally substituted phenyl; then the portion of the compound represented by —NH—C(R1)(R2)(R3) is not —NH-cycloheptyl;
      • e. when ring A is optionally substituted phenyl and ring B is optionally substituted phenyl; then R1 and R3 do not form 2,2,6,6,-tetramethylpiperidin-4-yl;
      • f. when ring A and ring B are optionally substituted phenyl; then the portion of the compound represented by —NH—C(R1)(R2)(R3) is not cysteine, optionally substituted phenylalanine or leucine or methyl ester thereof;
      • g. when ring A is phenyl or pyridin-3-yl optionally substituted with one or more substituents selected from halo, methyl or CF3, and ring B is phenyl optionally substituted with one or more substituents selected from halo, methyl, CF3, methoxy, CH═C(phenyl)CN; then the portion of the compound represented by —NHC(R1)(R2)(R3) is other than —NH(C1-C8 alkylene)-N(Ra)(Ra), —NH-1-(aminomethyl)cyclopentylmethyl, —NH-4-(aminomethyl)cyclohexylmethyl, wherein each Ra is hydrogen, C1-C4 alkyl or two Ras are taken together with the nitrogen to which they are commonly bound to form morpholin-4-yl or pipieridin-1-yl;
      • h. when ring A is phenyl, 4-chlorophenyl or 4-methyl phenyl and ring B is 4-chlorophenyl or 3,4-dichlorophenyl; then the portion of the compound represented by —NHC(R1)(R2)(R3) is not —NH-isopropyl;
      • i. when ring A is unsubstituted phenyl and the portion of the compound represented by —NHC(R1)(R2)(R3) is —NH—CH2CH2N(CH3)2, —NH—CH2CH2-morpholin-4-yl or —NH—CH2CH2OH; then ring B is other than oxadiazole, imidazole, thiazole or oxazole each of which is substituted with —C(O)NHRb, wherein Rb is isopropyl, cyclopropyl or 2-chloro-6-methylphenyl;
      • j. when ring A is phenyl substituted with SO2OH or SO2Na and ring B is phenyl, or when ring B is phenyl substituted with SO2OH and ring A is substituted phenyl; then the portion of the compound represented by —NHC(R1)(R2)(R3) is not —NH(CH2)2OH or —NH(CH2)CH(OH)CH3; and
      • k. the compound is other than:
    • (E)-3-(4-((4-((3-(diethylamino)propyl)amino)-6-phenyl-1,3,5-triazin-2-yl)amino)-2-methoxyphenyl)-2-phenylacrylonitrile,
    • 4-((4-((furan-2-ylmethyl)amino)-6-(pyridin-4-yl)-1,3,5-triazin-2-yl)amino)phenol, 3-(4-((5-aminopentyl)amino)-6-((3-fluorophenyl)amino)-1,3,5-triazin-2-yl)phenol,
    • N2,6-bis(3-fluorophenyl)-N4-(piperidin-3-yl)-1,3,5-triazine-2,4-diamine,
    • N2-butyl-6-phenyl-N4-(p-tolyl)-1,3,5-triazine-2,4-diamine, N2-cyclohexyl-N4,6-diphenyl-1,3,5-triazine-2,4-diamine,
    • (R)-3-((4-(3-chlorophenyl)-6-(pyrrolidin-3-ylamino)-1,3,5-triazin-2-yl)amino)-4-methylbenzamide,
    • 2-chloro-4-(methylsulfonyl)-N-[4-(phenylamino)-6-(2-pyridinyl)-1,3,5-triazin-2-yl]-benzamide,
    • N2-(2-methoxyethyl)-N4-phenyl-6-[5-[6-(2,2,2-trifluoroethoxy)-3-pyridinyl]-1,2,4-oxadiazol-3-yl]-1,3,5-triazine-2,4-diamine,
    • N2-(2-furanylmethyl)-6-phenyl-N4-[3-(trifluoromethyl)phenyl]-1,3,5-triazine-2,4-diamine,
    • 6-(3-methoxyphenyl)-N2-methyl-N4-(3-nitrophenyl)-1,3,5-triazine-2,4-diamine,
    • N2-butyl-N4-(4-methylphenyl)-6-phenyl-1,3,5-triazine-2,4-diamine, and
    • 4-[[4-(5-chloro-2-methylphenyl)-6-(methylamino)]-1,3,5-triazin-2-yl]amino-benzenemethanol.
  • The compound of Formula I or II or as described in any one of the embodiments herein inhibits mutant IDH2, particularly mutant IDH2 having alpha hydroxyl neoactivity. Also described herein are pharmaceutical compositions comprising a compound of Formula I and methods of using such compositions to treat cancers characterized by the presence of a mutant IDH2.
    • DETAILED DESCRIPTION
  • The details of construction and the arrangement of components set forth in the following description or illustrated in the drawings are not meant to be limiting. Other embodiments and different ways to practice the invention are expressly included. Also, the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of “including,” “comprising,” or “having,” “containing”, “involving”, and variations thereof herein, is meant to encompass the items listed thereafter and equivalents thereof as well as additional items.
    • Definitions
  • The term “halo” or “halogen” refers to any radical of fluorine, chlorine, bromine or iodine.
  • The term “alkyl” refers to a fully saturated or unsaturated hydrocarbon chain that may be a straight chain or branched chain, containing the indicated number of carbon atoms. For example, C1-C12 alkyl indicates that the group may have from 1 to 12 (inclusive) carbon atoms in it. The term “haloalkyl” refers to an alkyl in which one or more hydrogen atoms are replaced by halo, and includes alkyl moieties in which all hydrogens have been replaced by halo (e.g., perfluoroalkyl). The terms “arylalkyl” or “aralkyl” refer to an alkyl moiety in which an alkyl hydrogen atom is replaced by an aryl group. Aralkyl includes groups in which more than one hydrogen atom has been replaced by an aryl group. Examples of “arylalkyl” or “aralkyl” include benzyl, 2-phenylethyl, 3-phenylpropyl, 9-fluorenyl, benzhydryl, and trityl groups. The term “alkyl” includes “alkenyl” and “alkynyl”.
  • The term “alkylene” refers to a divalent alkyl, e.g., —CH2—, —CH2CH2—, —CH2CH2CH2— and —CH2CH(CH3)CH2—.
  • The term “alkenyl” refers to a straight or branched hydrocarbon chain containing 2-12 carbon atoms and having one or more double bonds. Examples of alkenyl groups include, but are not limited to, allyl, propenyl, 2-butenyl, 3-hexenyl and 3-octenyl groups. One of the double bond carbons may optionally be the point of attachment of the alkenyl substituent.
  • The term “alkynyl” refers to a straight or branched hydrocarbon chain containing 2-12 carbon atoms and characterized in having one or more triple bonds. Examples of alkynyl groups include, but are not limited to, ethynyl, propargyl, and 3-hexynyl. One of the triple bond carbons may optionally be the point of attachment of the alkynyl substituent.
  • The term “alkoxy” refers to an —O-alkyl radical. The term “haloalkoxy” refers to an alkoxy in which one or more hydrogen atoms are replaced by halo, and includes alkoxy moieties in which all hydrogens have been replaced by halo (e.g., perfluoroalkoxy).
  • Unless otherwise specified, the term “aryl” refers to a fully aromatic monocyclic, bicyclic, or tricyclic hydrocarbon ring system. Examples of aryl moieties are phenyl, naphthyl, and anthracenyl. Unless otherwise specified, any ring atom in an aryl can be substituted by one or more substituents. The term “monocyclic aryl” means a monocyclic fully romatic hydrocarbon ring system, optionally substituted by one or more substituents which can not form a fused bicyclic or tricyclic ring.
  • The term “carbocyclyl” refers to a non-aromatic, monocyclic, bicyclic, or tricyclic hydrocarbon ring system. Carbocyclyl groups include fully saturated ring systems (e.g., cycloalkyls), and partially saturated ring systems.
  • The term “cycloalkyl” as employed herein includes saturated cyclic, bicyclic, tricyclic, or polycyclic hydrocarbon groups having 3 to 12 carbons. Any ring atom can be substituted (e.g., by one or more substituents). Examples of cycloalkyl moieties include, but are not limited to, cyclopropyl, cyclohexyl, methylcyclohexyl, adamantyl, and norbornyl.
  • Unless otherwise specified, the term “heteroaryl” refers to a fully aromatic 5-8 membered monocyclic, 8-12 membered bicyclic, or 11-14 membered tricyclic ring system having 1-3 heteroatoms if monocyclic, 1-6 heteroatoms if bicyclic, or 1-9 heteroatoms if tricyclic, said heteroatoms selected from O, N, or S (or the oxidized forms such as N+—O−, S(O) and S(O)2). The term “monocyclic heteroaryl” means a monocyclic fully romatic ring system having 1-3 heteroatoms, optionally substituted by one or more substituents which can not form a fused bicyclic or tricyclic ring.
  • The term “heterocyclyl” refers to a nonaromatic, 3-10 membered monocyclic, 8-12 membered bicyclic, or 11-14 membered tricyclic ring system having 1-3 heteroatoms if monocyclic, 1-6 heteroatoms if bicyclic, or 1-9 heteroatoms if tricyclic, said heteroatoms selected from O, N, or S (or the oxidized forms such as N+—O−, S(O) and S(O)2). The heteroatom may optionally be the point of attachment of the heterocyclyl substituent. Examples of heterocyclyl include, but are not limited to, tetrahydrofuranyl, tetrahydropyranyl, piperidinyl, morpholino, pyrrolinyl, pyrimidinyl, and pyrrolidinyl. Heterocyclyl groups include fully saturated ring systems, and partially saturated ring systems.
  • Bicyclic and tricyclic ring systems containing one or more heteroatoms and both aromatic and non-aromatic rings are considered to be heterocyclyl or heteroaryl groups. Bicyclic or tricyclic ring systems where an aryl or a heteroaryl is fused to a carbocyclyl or heterocyclyl and the point of attachment from the ring system to the rest of the molecule is through an aromatic ring are considered to be aryl or heteroaryl groups, respectively. Bicyclic or tricyclic ring systems where an aryl or a heteroaryl is fused to a carbocyclyl or heterocyclyl and the point of attachment from the ring system to the rest of the molecule is through the non-aromatic ring are considered to be carbocyclyl (e.g., cycloalkyl) or heterocyclyl groups, respectively.
  • Aryl, heteroaryl, carbocyclyl (including cycloalkyl), and heterocyclyl groups, either alone or a part of a group (e.g., the aryl portion of an aralkyl group), are optionally substituted at one or more substitutable atoms with, unless specified otherwise, substituents independently selected from: halo, C1-C4 alkyl, ═O, —ORb, —ORb′, —SRb, —SRb′, —(C1-C4 alkyl)-N(Rb)(Rb), —(C1-C4 alkyl)-N(Rb)(Rb′), —N(Rb)(Rb), —N(Rb)(Rb′), —O—(C1-C4alkyl)-N(Rb)(Rb), —O—(C1-C4 alkyl)-N(Rb)(Rb′), —(C1-C4 alkyl)-O—(C1-C4 alkyl)-N(Rb)(Rb), —(C1-C4 alkyl)-O—(C1-C4 alkyl)-N(Rb)(Rb′), —C(O)—N(Rb)(Rb), —(C1-C4 alkyl)-C(O)—N(Rb)(Rb), —(C1-C4 alkyl)-C(O)—N(Rb)(Rb′), —ORb′, Rb′, —C(O)(C1-C4 alkyl), —C(O)Rb′, —C(O)N(Rb′)(Rb), —N(Rb)C(O)(Rb), —N(Rb)C(O)(Rb′), —N(Rb)SO2(Rb), —SO2N(Rb)(Rb), —N(Rb)SO2(Rb′), and —SO2N(Rb)(Rb′), wherein any alkyl substituent is optionally further substituted with one or more of —OH, —O—(C1-C4 alkyl), halo, —NH2, —NH(C1-C4 alkyl), or —N(C1-C4 alkyl)2;
      • each Rb is independently selected from hydrogen, and —C1-C4 alkyl; or
      • two Rbs are taken together with the nitrogen atom to which they are bound to form a 4- to 8-membered heterocyclyl optionally comprising one additional heteroatom selected from N, S, and O; and
      • each Rb′ is independently selected from C3-C7 carbocyclyl, phenyl, heteroaryl, and heterocyclyl, wherein one or more substitutable positions on said phenyl, cycloalkyl, heteroaryl or heterocycle substituent is optionally further substituted with one or more of —(C1-C4 alkyl), —(C1-C4 fluoroalkyl), —OH, —O—(C1-C4 alkyl), —O—(C1-C4 fluoroalkyl), halo, —NH2, —NH(C1-C4 alkyl), or —N(C1-C4 alkyl)2.
  • Heterocyclyl groups, either alone or as part of a group, are optionally substituted on one or more any substitutable nitrogen atom with oxo, —C1-C4 alkyl, or fluoro-substituted C1-C4 alkyl.
  • The term “substituted” refers to the replacement of a hydrogen atom by another group.
  • As used herein, the term “elevated levels of 2HG” means 10%, 20% 30%, 50%, 75%, 100%, 200%, 500% or more 2HG then is present in a subject that does not carry a mutant IDH2 allele. The term “elevated levels of 2HG” may refer to the amount of 2HG within a cell, within a tumor, within an organ comprising a tumor, or within a bodily fluid.
  • The term “bodily fluid” includes one or more of amniotic fluid surrounding a fetus, aqueous humour, blood (e.g., blood plasma), serum, Cerebrospinal fluid, cerumen, chyme, Cowper's fluid, female ejaculate, interstitial fluid, lymph, breast milk, mucus (e.g., nasal drainage or phlegm), pleural fluid, pus, saliva, sebum, semen, serum, sweat, tears, urine, vaginal secretion, or vomit.
  • As used herein, the terms “inhibit” or “prevent” include both complete and partial inhibition and prevention. An inhibitor may completely or partially inhibit the intended target.
  • The term “treat” means decrease, suppress, attenuate, diminish, arrest, or stabilize the development or progression of a disease/disorder (e.g., a cancer), lessen the severity of the disease/disorder (e.g., a cancer) or improve the symptoms associated with the disease/disorder (e.g., a cancer).
  • As used herein, an amount of a compound effective to treat a disorder, or a “therapeutically effective amount” refers to an amount of the compound which is effective, upon single or multiple dose administration to a subject, in treating a cell, or in curing, alleviating, relieving or improving a subject with a disorder beyond that expected in the absence of such treatment.
  • As used herein, the term “subject” is intended to include human and non-human animals. Exemplary human subjects include a human patient (referred to as a patient) having a disorder, e.g., a disorder described herein or a normal subject. The term “non-human animals” of one aspect of the invention includes all vertebrates, e.g., non-mammals (such as chickens, amphibians, reptiles) and mammals, such as non-human primates, domesticated and/or agriculturally useful animals, e.g., sheep, dog, cat, cow, pig, etc.
    • Compounds
  • Provided is a compound of Structural Formula I, or a pharmaceutically acceptable salt or hydrate thereof:
  • Figure US20220348554A1-20221103-C00002
  • wherein:
  • ring A is an optionally substituted 5-6 member monocyclic aryl or monocyclic heteroaryl;
  • ring B is an optionally substituted 5-6 member monocyclic aryl or monocyclic heteroaryl;
  • and R3 are each independently selected from hydrogen, C1-C4 alkyl, C1-C4 haloalkyl, —O—C1-C4 alkyl, and CN, wherein any alkyl portion of R1 is optionally substituted with —OH, NH2, NH(C1-C4 alkyl), or N(C1-C4 alkyl)2;
  • R2 is selected from: —(C1-C6 alkyl), —(C2-C6 alkenyl or alkynyl), —(C1-C6 alkylene)-N(R6)—(C1-C6 alkylene)-O—(C1-C6 alkyl), —(C1-C6 alkylene)-N(R6)—(C0-C6 alkylene)-Q, —(C1-C6 alkylene)-N(R6)(R6), —(C1-C6 alkylene)-N(R6)—S(O)1-2—(C1-C6 alkyl), —(C1-C6 alkylene)-N(R6)—S(O)1-2—(C0-C6 alkyl)-Q, —(C1-C6 alkylene)-S(O)1-2—N(R6)(R6), —(C1-C4 alkylene)-S(O)1-2—N(R6)—(C1-C6 alkylene)-Q, —C(O)N(R6)—(C1-C6 alkylene)-C(O)—(C0-C6 alkylene)-O—(C1-C6 alkyl), —C(O)N(R6)—(C1-C6 alkylene)-C(O)—(C0-C6 alkylene)-O—(C0-C6 alkylene)-Q, —(C1-C6 alkylene)-O—C(O)—(C1-C6 alkyl), —(C1-C6 alkylene)-O—C(O)—(C0-C6 alkyl)-Q, —(C1-C6 alkylene)-O—(C1-C6 alkyl), —(C1-C6 alkylene)-O—(C1-C6 alkylene)-Q, —(C0-C6 alkylene)-C(O)—(C0-C6 alkylene)-O—(C1-C6 alkyl), —(C0-C6 alkylene)-C(O)—(C0-C6 alkylene)-O—(C1-C6 alkylene)-Q, —(C1-C6 alkylene)-O—C(O)—(C1-C6 alkyl), —(C1-C6 alkylene)-O—C(O)—(C0-C6 alkylene)-Q, —(C0-C6 alkylene)-C(O)N(R6)—(C1-C6 alkyl), —(C0-C6 alkylene)-C(O)N(R6)—(C0-C6 alkylene)-Q, —(C1-C6 alkylene)-N(R6)C(O)—(C1-C6 alkyl), —(C1-C6 alkylene)-N(R6)C(O)—(C0-C6 alkylene)-Q, —(C0-C6 alkylene)-S(O)0-2—(C1-C6 alkyl), —(C0-C6 alkylene)-S(O)0-2—(C0-C6 alkylene)-Q, —(C1-C6 alkylene)-N(R6)—C(O)—N(R6)—(C1-C6 alkyl), —(C0-C6 alkylene)-Q, —(C0-C6 alkylene)-C(O)—(C1-C6 alkyl), —(C0-C6 alkylene)-C(O)—(C0-C6 alkylene)-Q, wherein:
  • any alkyl or alkylene moiety present in R2 is optionally substituted with one or more —OH, —O(C1-C4 alkyl) or halo;
  • any terminal methyl moiety present in R2 is optionally replaced with —CH2OH, CF3, —CH2F, —CH2C1, C(O)CH3, C(O)CF3, CN, or CO2H;
  • each R6 is independently selected from hydrogen and C1-C6 alkyl; and
  • Q is selected from aryl, heteroaryl, carbocyclyl and heterocyclyl; and Q is optionally substituted; or
      • R1 and R3 are optionally taken together with the carbon to which they are attached to form C(═O); or
      • R1 and R2 are optionally taken together to form an optionally substituted carbocyclyl, optionally substituted heterocyclyl or optionally substituted heteroaryl; wherein:
      • a. when ring A is unsubstituted phenyl, and ring B is phenyl substituted by methoxy or ethoxy; then said phenyl of ring B is not further substituted by oxazolyl;
      • b. when ring A is optionally substituted phenyl or optionally substituted pyridyl, and ring B is optionally substituted phenyl; then the portion of the compound represented by —NH—C(R1)(R2)(R3) is not —NH(CH2)-aryl;
      • c. when ring A is optionally substituted phenyl, and ring B is optionally substituted phenyl or pyrrolyl; then the portion of the compound represented by —NH—C(R1)(R2)(R3) is not —NH(CH2)C(O)NH2;
      • d. when ring A is phenyl substituted with 2 or more hydroxyl or methoxy, and ring B is optionally substituted phenyl; then the portion of the compound represented by —NH—C(R1)(R2)(R3) is not —NH-cycloheptyl;
      • e. when ring A is optionally substituted phenyl and ring B is optionally substituted phenyl; then R1 and R3 do not form 2,2,6,6,-tetramethylpiperidin-4-yl;
      • f. when ring A and ring B are optionally substituted phenyl; then the portion of the compound represented by —NH—C(R1)(R2)(R3) is not cysteine, optionally substituted phenylalanine or leucine or methyl ester thereof;
      • g. when ring A is phenyl or pyridin-3-yl optionally substituted with one or more substituents selected from halo, methyl or CF3, and ring B is phenyl optionally substituted with one or more substituents selected from halo, methyl, CF3, methoxy, CH═C(phenyl)CN; then the portion of the compound represented by —NHC(R1)(R2)(R3) is other than —NH(C1-C8 alkylene)-N(Ra)(Ra), —NH-1-(aminomethyl)cyclopentylmethyl, —NH-4-(aminomethyl)cyclohexylmethyl, wherein each Ra is hydrogen, C1-C4 alkyl or two Ras are taken together with the nitrogen to which they are commonly bound to form morpholin-4-yl or pipieridin-1-yl;
      • h. when ring A is phenyl, 4-chlorophenyl or 4-methyl phenyl and ring B is 4-chlorophenyl or 3,4-dichlorophenyl; then the portion of the compound represented by —NHC(R1)(R2)(R3) is not —NH-isopropyl;
      • i. when ring A is unsubstituted phenyl and the portion of the compound represented by —NHC(R1)(R2)(R3) is —NH—CH2CH2N(CH3)2, —NH—CH2CH2-morpholin-4-yl or —NH—CH2CH2OH; then ring B is other than oxadiazole, imidazole, thiazole or oxazole each of which is substituted with —C(O)NHRb, wherein Rb is isopropyl, cyclopropyl or 2-chloro-6-methylphenyl;
      • j. when ring A is phenyl substituted with SO2OH or SO2Na and ring B is phenyl, or when ring B is phenyl substituted with SO2OH and ring A is substituted phenyl; then the portion of the compound represented by —NHC(R1)(R2)(R3) is not —NH(CH2)2OH or —NH(CH2)CH(OH)CH3; and
      • k. the compound is other than:
    • (E)-3-(4-((4-((3-(diethylamino)propyl)amino)-6-phenyl-1,3,5-triazin-2-yl)amino)-2-methoxyphenyl)-2-phenylacrylonitrile,
    • 4-((4-((furan-2-ylmethyl)amino)-6-(pyridin-4-yl)-1,3,5-triazin-2-yl)amino)phenol,
    • 3-(4-((5-aminopentyl)amino)-6-((3-fluorophenyl)amino)-1,3,5-triazin-2-yl)phenol,
    • N2,6-bis(3-fluorophenyl)-N4-(piperidin-3-yl)-1,3,5-triazine-2,4-diamine,
    • N2-butyl-6-phenyl-N4-(p-tolyl)-1,3,5-triazine-2,4-diamine, N2-cyclohexyl-N4,6-diphenyl-1,3,5-triazine-2,4-diamine,
    • (R)-3-((4-(3-chlorophenyl)-6-(pyrrolidin-3-ylamino)-1,3,5-triazin-2-yl)amino)-4-methylbenzamide,
    • 2-chloro-4-(methylsulfonyl)-N-[4-(phenylamino)-6-(2-pyridinyl)-1,3,5-triazin-2-yl]-benzamide,
    • N2-(2-methoxyethyl)-N4-phenyl-6-[5-[6-(2,2,2-trifluoroethoxy)-3-pyridinyl]-1,2,4-oxadiazol-3-yl]-1,3,5-triazine-2,4-diamine,
    • N2-(2-furanylmethyl)-6-phenyl-N4-[3-(trifluoromethyl)phenyl]-1,3,5-triazine-2,4-diamine,
    • 6-(3-methoxyphenyl)-N2-methyl-N4-(3-nitrophenyl)-1,3,5-triazine-2,4-diamine,
    • N2-butyl-N4-(4-methylphenyl)-6-phenyl-1,3,5-triazine-2,4-diamine, and
    • 4-[[4-(5-chloro-2-methylphenyl)-6-(methylamino)]-1,3,5-triazin-2-yl]amino-benzenemethanol.
  • Also provided is a compound of Structural Formula I, or a pharmaceutically acceptable salt or hydrate thereof:
  • Figure US20220348554A1-20221103-C00003
  • wherein:
  • ring A is an optionally substituted 5-6 member monocyclic aryl or monocyclic heteroaryl;
      • ring B is an optionally substituted 5-6 member monocyclic aryl or monocyclic heteroaryl;
      • R1 and R3 are each independently selected from hydrogen, C1-C4 alkyl, C1-C4 haloalkyl, —O—C1-C4 alkyl, and CN, wherein any alkyl portion of R1 is optionally substituted with —OH, NH2, NH(C1-C4 alkyl), or N(C1-C4 alkyl)2;
      • R2 is selected from: —(C1-C6 alkyl), —(C2-C6 alkenyl or alkynyl), —(C1-C6 alkylene)-N(R6)—(C1-C6 alkylene)-O—(C1-C6 alkyl), —(C1-C6 alkylene)-N(R6)—(C0-C6 alkylene)-Q, —(C1-C6 alkylene)-N(R6)(R6), —(C1-C6 alkylene)-N(R6)—S(O)1-2—(C1-C6 alkyl), —(C1-C6 alkylene)-N(R6)—S(O)1-2—(C0-C6 alkyl)-Q, —(C1-C6 alkylene)-S(O)1-2—N(R6)(R6), —(C1-C4 alkylene)-S(O)1-2—N(R6)—(C1-C6 alkylene)-Q, —C(O)N(R6)—(C1-C6 alkylene)-C(O)—(C0-C6 alkylene)-O—(C1-C6 alkyl), —C(O)N(R6)—(C1-C6 alkylene)-C(O)—(C0-C6 alkylene)-O—(C0-C6 alkylene)-Q, —(C1-C6 alkylene)-O—C(O)—(C1-C6 alkyl), —(C1-C6 alkylene)-O—C(O)—(C0-C6 alkyl)-Q, —(C1-C6 alkylene)-O—(C1-C6 alkyl), —(C1-C6 alkylene)-O—(C1-C6 alkylene)-Q, —(C0-C6 alkylene)-C(O)—(C0-C6 alkylene)-O—(C1-C6 alkyl), —(C0-C6 alkylene)-C(O)—(C0-C6 alkylene)-O—(C1-C6 alkylene)-Q, —(C1-C6 alkylene)-O—C(O)—(C1-C6 alkyl), —(C1-C6 alkylene)-O—C(O)—(C0-C6 alkylene)-Q, —(C0-C6 alkylene)-C(O)N(R6)—(C1-C6 alkyl), —(C0-C6 alkylene)-C(O)N(R6)—(C0-C6 alkylene)-Q, —(C1-C6 alkylene)-N(R6)C(O)—(C1-C6 alkyl), —(C1-C6 alkylene)-N(R6)C(O)—(C0-C6 alkylene)-Q, —(C0-C6 alkylene)-S(O)0-2—(C1-C6 alkyl), —(C0-C6 alkylene)-S(O)0-2—(C0-C6 alkylene)-Q, —(C1-C6 alkylene)-N(R6)—C(O)—N(R6)—(C1-C6 alkyl), —(C0-C6 alkylene)-Q, —(C0-C6 alkylene)-C(O)—(C1-C6 alkyl), —(C0-C6 alkylene)-C(O)—(C0-C6 alkylene)-Q, wherein:
      • any alkyl or alkylene moiety present in R2 is optionally substituted with one or more —OH, —O(C1-C4 alkyl) or halo;
      • any terminal methyl moiety present in R2 is optionally replaced with —CH2OH, CF3, —CH2F, —CH2C1, C(O)CH3, C(O)CF3, CN, or CO2H;
      • each R6 is independently selected from hydrogen and C1-C6 alkyl; and
      • Q is selected from aryl, heteroaryl, carbocyclyl and heterocyclyl, any of which is optionally substituted; or
      • R1 and R3 are optionally taken together with the carbon to which they are attached to form C(═O), or
      • R1 and R2 are optionally taken together to form substituted carbocyclyl or optionally substituted heterocyclyl, wherein:
      • a. when ring A is unsubstituted phenyl, and ring B is phenyl substituted by methoxy or ethoxy; then said phenyl of ring B is not further substituted oxazolyl;
      • b. when ring A is optionally substituted phenyl or optionally substituted pyridyl; then the portion of the compound represented by —NH—C(R1)(R2)(R3) is not —NH(CH2)-aryl;
      • c. when ring A is optionally substituted phenyl, and ring B is optionally substituted phenyl or pyrrolyl; then the portion of the compound represented by —NH—C(R1)(R2)(R3) is not —NH(CH2)C(O)NH2;
      • d. when ring A is phenyl substituted with 2 or more hydroxyl or methoxy, and ring B is optionally substituted phenyl; then the portion of the compound represented by —NH—C(R1)(R2)(R3) is not —NH-cycloheptyl;
      • e. when ring A is optionally substituted phenyl and ring B is optionally substituted phenyl; then R1 and R3 do not form 2,2,6,6,-tetramethylpiperidin-4-yl;
      • f. when ring A and ring B are optionally substituted phenyl; then the portion of the compound represented by —NH—C(R1)(R2)(R3) is not cysteine, optionally substituted phenylalanine or leucine;
      • g. when ring A is phenyl or pyridin-3-yl optionally substituted with one or more substituents selected from halo, methyl or CF3, and ring B is phenyl optionally substituted with one or more substituents selected from halo, methyl or CF3; then the portion of the compound represented by —NHC(R1)(R2)(R3) is other than —NH(C1-C8 alkylene)-N(Ra)(Ra), —NH-1-(aminomethyl)cyclopentylmethyl, —NH-4-(aminomethyl)cyclohexylmethyl, wherein each Ra is hydrogen, C1-C3 alkyl or two Ras are taken together with the nitrogen to which they are commonly bound to form morpholin-4-yl or pipieridin-1-yl;
      • h. when ring A is phenyl, 4-chlorophenyl or 4-methyl phenyl and ring B is 4-chlorophenyl or 3,4-dichlorophenyl; then the portion of the compound represented by —NHC(R1)(R2)(R3) is not —NH-isopropyl;
      • i. when ring A is unsubstituted phenyl and the portion of the compound represented by —NHC(R1)(R2)(R3) is —NH—CH2CH2N(CH3)2, —NH—CH2CH2-morpholin-4-yl or —NH—CH2CH2OH; then ring B is other than oxadiazole, thiazole or oxazole each of which is substituted with —C(O)NHRb, wherein Rb is isopropyl, cyclopropyl or 2-chloro-6-methylphenyl;
      • j. when ring A is phenyl substituted with SO2OH or SO2Na, and ring B is phenyl; then the portion of the compound represented by —NHC(R1)(R2)(R3) is not —NH(CH2)2OH or —NH(CH2)CH(OH)CH3; and
      • k. the compound is other than:
    • (E)-3-(4-((4-((3-(diethylamino)propyl)amino)-6-phenyl-1,3,5-triazin-2-yl)amino)-2-methoxyphenyl)-2-phenylacrylonitrile, 4-((4-((furan-2-ylmethyl)amino)-6-(pyridin-4-yl)-1,3,5-triazin-2-yl)amino)phenol, 3-(4-((5-aminopentyl)amino)-6-((3-fluorophenyl)amino)-1,3,5-triazin-2-yl)phenol, N2,6-bis(3-fluorophenyl)-N4-(piperidin-3-yl)-1,3,5-triazine-2,4-diamine, N2-butyl-6-phenyl-N4-(p-tolyl)-1,3,5-triazine-2,4-diamine, N2-cyclohexyl-N4,6-diphenyl-1,3,5-triazine-2,4-diamine, and (R)-3-((4-(3-chlorophenyl)-6-(pyrrolidin-3-ylamino)-1,3,5-triazin-2-yl)amino)-4-methylbenzamide.
  • In some embodiments, R1 is independently selected from hydrogen, —CH3, —CH2CH3, —CH2OH, CN, or R1 and R3 are taken together to form ═O.
  • In some embodiments, R1 and R2 are taken together to form carbocyclyl or heterocyclyl, either of which is optionally substituted with up to 3 substituents independently selected from halo. C1-C4 alkyl, C1-C4 haloalkyl, C1-C4 alkoxy, —CN, ═O, —OH, and —C(O)C1-C4 alkyl.
  • In some embodiments, R2 is —(C1-C4 alkyl) optionally substituted with fluoro or —OH; —(C0-C4 alkylene)-O—(C1-C4 alkyl), —(C0-C2 alkylene)-N(R6)—(C1-C6 alkyl), —(C0-C2 alkylene)-Q, and —O—(C0-C2 alkylene)-Q, wherein Q is optionally substituted with up to 3 substituents independently selected from C1-C4 alkyl, C1-C4 haloalkyl, C1-C4 alkoxy, ═O, —C(O)—C1-C4 alkyl, —CN, and halo. In one aspect of these embodiments, Q is selected from pyridinyl, tetrahydrofuranyl, cyclobutyl, cyclopropyl, phenyl, pyrazolyl, morpholinyl and oxetanyl, wherein Q is optionally substituted with up to 2 substituents independently selected from C1-C4 alkyl, C1-C4 haloalkyl, ═O, fluoro, chloro, and bromo. In another aspect of these embodiments, Q is selected from pyridinyl, tetrahydrofuranyl, cyclobutyl, cyclopropyl, phenyl, pyrazolyl, morpholinyl and oxetanyl, wherein Q is optionally substituted with up to 2 substituents independently selected from —CH3 and ═O.
  • In some embodiments, R1 and R2 are taken together to form cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, tetrahydrofuranyl, tetrahydropyranyl, oxetanyl, bicyclo[2.2.1]heptanyl, oxobicyclo[3.1.0]hexanyl, azetidinyl, phenyl and pyridinyl, any of which is optionally substituted with up to 2 substituents independently selected from C1-C4 alkyl, C1-C4 alkoxy, C3-C6 cycloalkyl, —OH, —C(O)CH3, fluoro, and chloro.
  • In some embodiments, ring A is an optionally substituted 6-membered monocyclic aryl. In some embodiments, ring A is an optionally substituted 5-6 membered heteroaryl. In some embodiments, ring A is an optionally substituted 6 membered heteroaryl.
  • In some embodiments, ring A is selected from phenyl, pyrazolyl, oxazolyl, isoxazolyl, pyridinyl, pyrimidinyl, pyrazinyl, and thiazolyl, wherein ring A is optionally substituted with up to two substituents independently selected from halo, —C1-C4 alkyl, —C1-C4 haloalkyl, —C1-C4 hydroxyalkyl, —NH—S(O)2—(C1-C4 alkyl), —S(O)2NH(C1-C4 alkyl), —CN, —S(O)2—(C1-C4 alkyl), C1-C4 alkoxy, —NH(C1-C4 alkyl), —OH, —OCF3, —CN, —NH2, —C(O)NH2, —C(O)NH(C1-C4 alkyl), —C(O)—N(C1-C4 alkyl)2, and cyclopropyl optionally substituted with OH.
  • In some embodiments, ring A is selected from phenyl, pyrazolyl, oxazolyl, isoxazolyl, pyridinyl, pyrimidinyl, pyrazinyl, and thiazolyl, wherein ring A is optionally substituted with up to two substituents independently selected from halo, —C1-C4 alkyl, —C1-C4 haloalkyl, —C1-C4 hydroxyalkyl, —NH—S(O)2—(C1-C4 alkyl), —S(O)2NH(C1-C4 alkyl), —CN, —S(O)2—(C1-C4 alkyl), C1-C4 alkoxy, —NH(C1-C4 alkyl), —OH, —CN, and —NH2.
  • In some embodiments, ring B is selected from phenyl, pyrazolyl, oxazolyl, isoxazolyl, thiazolyl, pyridinyl, pyrimidinyl, pyridazinyl, and pyrazinyl, wherein ring B is optionally substituted with up to two substituents independently selected from halo, —C1-C4 alkyl, —C2-C4 alkynyl, —C1-C4 haloalkyl, —C1-C4 hydroxyalkyl, C3-C6 cycloalkyl, —(C0-C2 alkylene)-O—C1-C4 alkyl, —O—(C1-C4 alkylene)-C3-C6 cycloalkyl, —NH—S(O)2—(C1-C4 alkyl), —S(O)2NH(C1-C4 alkyl), —S(O)2—NH—(C3-C6 cycloalkyl), —S(O)2-(saturated heterocyclyl), —CN, —S(O)2—(C1-C4 alkyl), —NH(C1-C4 alkyl), —N(C1-C4 alkyl)2, —OH, C(O)—O—(C1-C4 alkyl), saturated heterocyclyl, and —NH2.
  • In another embodiment, the compound is a compound having Structural Formula II:
  • Figure US20220348554A1-20221103-C00004
  • or a pharmaceutically acceptable salt thereof, wherein:
  • Ring A′ is selected from phenyl and pyridin-2-yl, wherein ring A′ is optionally substituted with one or two substituents independently selected from chloro, fluoro, —CF3, —CHF2, —CH3, —CH2CH3, —CF2CH3, —OH, —OCH3, —OCH2CH3, —NH2, —NH(CH3), and —N(CH3)2;
  • Ring B′ is selected from pyridin-3-yl, pyridin-4-yl, isoxazoly-4-yl, isoxazol-3-yl, thiazol-5-yl, pyrimidin-5-yl and pyrazol-4-yl, wherein ring B′ is optionally substituted with one to two substituents independently selected from halo; —CN; —OH; C1-C4 alkyl optionally substituted with halo, CN or —OH; —S(O)2—C1-C4 alkyl; —S(O)—C1-C4 alkyl; —S(O)2—NH—C1-C4 alkyl; —S(O)2—N(C1-C4 alkyl)2; —S(O)2-azetidin-1-yl; —O—C1-C4 alkyl; —CH2—O—CH3, morpholin-4-yl, cyclopropyl, —S(O)2—NH-cyclopropyl; —C(O)—O—CH3; and
  • —C(R1a)(R2a)(R3a) is selected from C1-C6 alkyl optionally substituted with halo or —OH; —(C0-C1 alkylene)-cycloalkyl, wherein the alkylene is optionally substituted with methyl and the cycloalkyl is optionally substituted with halo, —OCH3 or methyl; saturated heterocyclyl optionally substituted with halo or methyl; —C(O)—O—C1-C6 alkyl; —C(O)—(C0-C1 alkylene)-cyclopropyl; and C(O)-benzyl.
  • In certain embodiments of Formula II, ring A′ is selected from 2-chlorophenyl, 2-fluorophenyl, 2-methoxyphenyl, 3-hydroxyphenyl, 6-aminopyridin-2-yl, 6-chloropyridin-2-yl, 6-trifluoromethylpyridin-2-yl, and phenyl.
  • In certain embodiments of Formula II, ring B′ is selected from 2-(morpholin-4-yl)pyridin-4-yl, 2-dimethylaminopyridin-4-yl, 3-(2-methyoxyethyl)phenyl, 3,5-difluorophenyl, 3-chlorophenyl, 3-cyanomethylphenyl, 3-cyanophenyl, 3-cyclopropylaminosulfonylphenyl, 3-dimethylaminosulfonylphenyl, 3-ethylsulfonylphenyl, 3-fluorophenyl, 3-methyl sulfonylphenyl, 4-fluorophenyl, 5-chloropyridin-3-yl, 5-cyanopyridin-3-yl, 5-cyanopyridin-3-yl, 5-cyanopyridin-4-yl, 5-fluoropyridin-3-yl, 5-trifluoromethypyridin-3-yl, 6-chloropyridin-4-yl, 6-cyanopyridin-4-yl, 6-cyclopropylpyridin-4-yl, 6-ethoxypyridin-4-yl, 6-fluoropyridin-3-yl, 6-fluoropyridin-4-yl, 6-methylpyridin-4-yl, 6-trifluoromethylpyridin-4-yl, isoxazol-4-yl, phenyl, pyridin-4-yl, and thiazol-5-yl.
  • In certain embodiments of Formula II, the moiety represented by C(R1a)(R2a)(R3a) is selected from 2-hydroxycyclopentyl, 3-hydroxycyclopentyl, 1-methylcyclopropyl, 2-methylcyclopropyl, 3,3-difluorocyclobutyl, bicycloheptanyl, —(CH2)3CH3, —CH(CH3)—C(CH3)3, —CH(CH3)—CH2OCH3, —C(O)—C(CH3)3, —C(O)—OC(CH3)3, —C(O)CH2OH, —C(O)—CH(CH3)2, —C(O)-1-hydroxycyclopropyl, —C(O)-2-pyrrolidinon-5-yl, —C(O)-2-pyrrolyl, —C(O)CH2OCH(CH3)2, —C(O)-cyclopropyl, —C(O)—CH2-cyclopropyl, —C(O)—OC(CH3)3, —C(O)CH(CH3)OH, —C(O)-1H-pyrazol-5-yl, —C(O)NHCH2CH3, —CH2CH(CH3)OCH3, —CH2CH2CH2OCH3, —C(O)—OCH2CH(CH3)2, —CH2CH2—OCH3, —C(O)—OCH2CH3, —C(O)—CH2CH3, —CH(CH3)—CH(CH3)2, —CH2CH(CH3)OH, —CH(CH3)CH2CH3, —CH(CH3)—CH2CH3, —CH(CH3)CH2OH, —CH2C(CH3)3, —CH(CH2OH)CH(CH3)CH3, —CH(CH3)C(CH3)3, —CH2C(CH3)2CH2OH, —CH2CH2OH, —CH2CH(CH3)OH, —CH(CH3)CH2OCH3, —CH2—CH(CH3)CH2OH, —CH2C(CH3)2OCH3, —CH(C(CH3)3)CH2OH, —CH2C(CH3)2—OH, CH2C(CH3)3, —CH2CF3, —CH2CH(CH3)2, —CH2CH(CH3)2, —CH2CH2CF3, —CH2CH2OCH2CH3, —CH2CH(CH3)—CH2CH3, —CH2CH2CH(CH3)2, —CHC(CH3)3CH2OH, —CH(CH2CH3)CH2OH, —CH2C(CH3)2OH, —CH2-oxetan-2-yl, —CH2-oxetan-3-yl, —CH2-cyclopropyl, —CH2-cyclobutyl, —CH(CH3)-cyclopropyl, —C(O)-1-methylcyclopropyl, —C(O)-tetrahydrofuran-2-yl, —CH2-tetrahydrofuran-2-yl, —C(O)-tetrahydrofuran-3-yl, —CH2-morpholin-2-yl, —CH2-1-methyltetrahydrofuran-2-yl, cyclobutyl, 3-methoxycyclobutyl, 3-cyclobutanone, cyclohexyl, 4-hydroxycyclohexyl, cyclopentyl, 3-hydroxycyclopentyl, 2-hydroxycyclopentyl, cyclopropyl, ethyl, isopropyl, isobutyl, n-propyl, n-butyl, oxetan-3-yl, oxobicyclohexanyl, tertrahydropyran-4-yl, 3-oxetanyl, 2-oxetanyl, tetrahydropyran-3-yl, 4,4-difluorocyclohexyl, 4-hydroxycyclohexyl, 3-hydroxycyclohexyl, 2-hydroxycyclohexyl, 3-tetrahydrofuranyl, 1-cyanocyclobutyl, 1-cyanocyclopropyl, 4-methoxycyclobutyl, 3-methyl-oxetan-3-yl, bicyclo[2.2.1]heptanyl, 3-oxabicyclo[3.1.0]hexanyl and 3-cyclohex-2-enonyl.
  • In certain embodiments of Formula II, the moiety represented by C(R1a)(R2a)(R3a) is selected from 2-hydroxycyclopentyl, 2-methylcyclopropyl, 3,3-difluorocyclobutyl, bicycloheptanyl, —(CH2)3CH3, —CH(CH3)—C(CH3)3, —CH(CH3)—CH2OCH3, —C(O)—C(CH3)3, —C(O)—CH(CH3)2, —C(O)-cyclopropyl, —C(O)—OC(CH3)3, —C(O)—OCH2CH(CH3)2, —C(O)—OCH2CH3, —CH(CH3)—CH(CH3)2, —CH(CH3)—CH2CH3, —CH2C(CH3)2CH2OH, CH2C(CH3)3, —CH2CF3, —CH2CH(CH3)2, —CH2CH(CH3)—CH2CH3, —CH2CH2CH(CH3)2, —CH2-cyclopropyl, cyclobutyl, cyclohexyl, cyclopentyl, cyclopropyl, isopropyl, oxetan-3-yl, oxobicyclohexanyl, tertrahydropyran-4-yl, and tetrahydropyran-3-yl.
  • In another embodiment, the compound is a compound having Structural Formula II:
  • Figure US20220348554A1-20221103-C00005
  • or a pharmaceutically acceptable salt thereof, wherein:
  • Ring A′ is selected from phenyl, pyrimidin-2-yl, pyrimidin-4-yl, pyrimidin-5-yl, oxazol-4-yl, isoxazol-3-yl, thiazol-2-yl, pyridin-3-yl and pyridin-2-yl, wherein ring A′ is optionally substituted with one or two substituents independently selected from 1-propenyl, -cyclopropyl-OH, chloro, fluoro, —CF3, —CHF2, —CH3, —CH2CH3, —CF2CH3, —S(O)CH3, —S(O)2CH3, —CH2OH, —CH(OH)CH3, —CH(OH)CF3, —OH, —OCH3, —OCF3, —OCH2CH3, —C(O)—NH2, —CH2NH2, —NH2, —NH(CH3), —CN and —N(CH3)2;
  • Ring B′ is selected from phenyl, pyridin-3-yl, pyridin-4-yl, pyridazin-4-yl, isoxazol-4-yl, isoxazol-3-yl, thiazol-5-yl, pyrimidin-5-yl and pyrazol-4-yl, wherein ring B′ is optionally substituted with one to two substituents independently selected from halo; —CN; —OH; C1-C4 alkyl optionally substituted with halo, CN or —OH; —S(O)2—C1-C4 alkyl; —S(O)—C1-C4 alkyl; —S(O)2—NH—C1-C4 alkyl; —S(O)2—NH—CH2—CF3; —S(O)2—N(C1-C4 alkyl)2; —S(O)2-azetidin-1-yl; —O—C1-C4 alkyl; —CH2—O—CH3, morpholin-4-yl, cyclopropyl, cyclopropyl-C1-C4 alkyl, cyclopropyl-C1-C4 alkoxy, cyclopropyl-CN, —S(O)2—NH-cyclopropyl; —S(O)2—NH—CH2-cyclopropyl; —C(O)—C1-C4 alkyl, —C(O)—O—CH3; and
  • —C(R1a)(R2a)(R3a) is selected from C1-C6 alkyl optionally substituted with halo, —OCH3, —P(O)3 2− or —OH; —(C0-C1 alkylene)-cycloalkyl, wherein the alkylene is optionally substituted with methyl and the cycloalkyl is optionally substituted with —OH, —CH2OH, halo, —OCH3 or methyl; saturated or partially saturated —(C0-C1 alkylene)-heterocyclyl wherein the heterocyclyl is optionally substituted with halo, —S(O)2—CH2—C(O)—C1-C6 alkyl, —S(O)2—C1-C6 alkyl, —C(O)—O—C1-C6 alkyl, —C(O)—N(CH3)2 or methyl; —C(O)—O—C1-C6 alkyl; —C(O)—(C0-C1 alkylene)-cyclopropyl; and C(O)-benzyl.
  • In certain embodiments of Formula II, ring A′ is selected from 2-chlorophenyl, 2-fluorophenyl, 2-methoxyphenyl, 3-hydroxyphenyl, 3-amidophenyl, 3-methyl sulfinylphenyl, 3-methyl sulfonylphenyl, 3-(1-methanol)phenyl, 3-methanaminephenyl, 3-methoxy-2-fluorophenyl, 5-methoxy-2-fluorophenyl, 3-hydroxy-2-fluorophenyl, 5-hydroxy-2-fluorophenyl, 5-hydroxy-3-fluorophenyl, 3-methanolphenyl, 3,5-dihydroxyphenyl, 3-trifluoromethyl-5-chlorophenyl, 3-(1-hydoxy-2,2,2-trifluoroethyl)phenyl, 3-(1-hydoxyethyl)phenyl, 3-(1-hydoxycyclopropyl)phenyl, 3-hydroxymethyl-5-phenol, pyridin-2-yl, 3-fluoropyridin-2-yl, 3-cyanopyridin-2-yl, 3,6-difluoropyridin-2-yl, 3-fluoro-6-methoxypyridin-2-yl, 3-fluoro-6-hydroxypyridin-2-yl, 3-fluoro-6-aminopyridin-2-yl, 4-fluoro-6-aminopyridin-2-yl, 6-propen-1-ylpyridin-2-yl, 6-prop-1-ylpyridin-2-yl, 6-methylaminopyridin-2-yl, 3-fluoro-6-trifluoromethylpyridin-2-yl, 4-chloro-6-aminopyridin-2-yl, 4-fluoro-6-aminopyridin-2-yl, 4-chloro-6-methoxypyridin-2-yl, 6-aminopyridin-3-yl, 2-methoxypyridin-3-yl, 6-aminopyridin-2-yl, 6-chloropyridin-2-yl, 6-trifluoromethylpyridin-2-yl, 6-difluoromethylpyridin-2-yl, 4-(CH2OH)-6-trifluoromethyl-pyridin-2-yl, 4-(CH2OH)-6-chloro-pyridin-2-yl, 6-(1,1-difluoroethyl)-4-fluoropyridin-2-yl, 4-trifluoromethylpyrimidin-2-yl, 4-aminopyrimidin-2-yl, 6-trifluoromethyl-4-aminopyrimidin-2-yl, 4-trifluoromethyl-6-aminopyrimidin-2-yl, 4-aminopyrimidin-2-yl, 2-aminopyrimidin-4-yl, 2-aminopyrimidin-5-yl, 4,6-dichloropyridin-2-yl, 3,5-dichlorophenyl, 2,6-difluorophenyl, 2-methyloxazol-4-yl, 3-methylisoxazol-5-yl, 4-trifluoromethyl-thiazol-2-yl, 4-methylthiazol-2-yl and phenyl.
  • In certain embodiments of Formula II, ring B′ is selected from 2-(morpholin-4-yl)pyridin-4-yl, 2-dimethylaminopyridin-4-yl, 3-(2-methyoxyethyl)phenyl, 3,5-difluorophenyl, 3-chlorophenyl, 3-cyanomethylphenyl, 3-cyanophenyl, 3-(cyclopropylmethyl)phenyl, 3-cyclopropylaminosulfonylphenyl, 3-dimethylaminosulfonylphenyl, 3-ethyl sulfonylphenyl, 3-fluorophenyl, 3-methyl sulfonylphenyl, 4-fluorophenyl, 3-(1-hydroxyisopropyl)phenyl, 3-methylsulfonyl-5-chlorophenyl, 3-methylsulfonyl-5-fluorophenyl, 3-(N-2,2,2,-trifluoroethylaminosulfonyl)phenyl, 3-(N-cyclopropyl)benzamide, 5-chloropyridin-3-yl, 5-cyanopyridin-3-yl, 5-cyanopyridin-3-yl, 5-cyanopyridin-4-yl, 5-fluoropyridin-3-yl, 2-(1-hydroxyisopropyl)pyridin-4-yl, 5-trifluoromethypyridin-3-yl, 2-trifluoromethylpyridin-4-yl, 2-difluoromethylpyridin-4-yl, 2-chloropyridin-4-yl, 6-chloropyridin-4-yl, 6-cyanopyridin-4-yl, 2-cyanopyridin-4-yl, 6-cyclopropylpyridin-4-yl, 6-ethoxypyridin-4-yl, 6-fluoropyridin-3-yl, 2-fluoropyridin-4-yl, 5,6-difluoropyridin-3-yl, 6-fluoropyridin-4-yl, 6-methylpyridin-4-yl, 2-difluoromethylpyridin-4-yl, 6-trifluoromethylpyridin-4-yl, 2-(1-methoxycyclopropyl)pyridin-4-yl, 2-cyclopropylpyridin-4-yl, 2-(propan-1-one)pyridin-4-yl, 2-(1-methylcyclopropyl)pyridin-4-yl, 2-(1-cyanocyclopropyl)pyridin-4-yl, 2-(1-cyanoisopropyl)pyridin-4-yl, isoxazol-4-yl, phenyl, pyridin-4-yl, picolinat-2-yl, pyrimidin-5-yl, 1-propylpyrazol-4-yl, 6-methyl-pyridazin-4-yl, and thiazol-5-yl.
  • In certain embodiments of Formula II, the moiety represented by C(R1a)(R2a)(R3a) is selected from 2-hydroxycyclopentyl, 3-hydroxycyclopentyl, 1-methylcyclopropyl, 2-methylcyclopropyl, 3,3-difluorocyclobutyl, bicycloheptanyl, —(CH2)3CH3, —CH(CH3)—C(CH3)3, —CH(CH3)—CH2OCH3, —C(O)—C(CH3)3, —C(O)—OC(CH3)3, —C(O)CH2OH, —C(O)—CH(CH3)2, —C(O)-1-hydroxycyclopropyl, —C(O)-2-pyrrolidinon-5-yl, —C(O)-2-pyrrolyl, —C(O)CH2OCH(CH3)2, —C(O)-cyclopropyl, —C(O)—CH2-cyclopropyl, —C(O)—OC(CH3)3, —C(O)CH(CH3)OH, —C(O)-1H-pyrazol-5-yl, —C(O)NHCH2CH3, —CH2CH(CH3)OCH3, —CH2CH2CH2OCH3, —C(O)—OCH2CH(CH3)2, —CH2CH2—OCH3, —C(O)—OCH2CH3, —C(O)—CH2CH3, —CH(CH3)—CH(CH3)2, —CH2CH(CH3)OH, —CH(CH3)CH2CH3, —CH2C(CH3)2OH, —CH(CH3)—CH2CH3, —CH(CH3)CH2OH, —CH2C(CH3)3, —CH(CH2OH)CH(CH3)CH3, —CH(CH3)C(CH3)3, —CH2C(CH3)2—CH2OH, —CH2CH2OH, —CH2CH(CH3)OH, —CH(CH3)CH2OCH3, —CH2—CH(CH3)CH2OH, —CH2C(CH3)2OCH3, —C(CH3)2CH2OH, —CH2CH(CH3)OCH3, —CH(CH3)CH(CH3)OH, —CH2CH(CH3)CH2OH, —CH(C(CH3)3)CH2OH, CH(CH3)C(CH3)2OH, —CH2C(CH3)2—OH, CH2C(CH3)3, —CH2CF3, —CH2CH(CH3)2, —CH2CH(CH3)2, —CH2CH2CF3, —CH2CH2OCH2CH3, —CH2CH(CH3)—CH2CH3, —CH2CH2CH(CH3)2, —CH(C(CH3)3)CH2OH, —CH(CH2CH3)CH2OH, —CH2C(CH3)2OH, —CH2-oxetan-2-yl, —CH2-oxetan-3-yl, —CH2-1-methyl-oxetan-3-yl, —CH2-cyclopropyl, —CH2-1-hydroxycyclopropyl, —CH2-cyclobutyl, —CH(CH3)-cyclopropyl, —C(O)-1-methylcyclopropyl, —C(O)-tetrahydrofuran-2-yl, —CH2-tetrahydrofuran-2-yl, —CH2-tetrahydrofuran-3-yl, —C(O)-tetrahydrofuran-3-yl, —CH2-morpholin-2-yl, —CH2-1-methyltetrahydrofuran-2-yl, cyclobutyl, 3-methoxycyclobutyl, 3-cyclobutanone, cyclohexyl, 4-hydroxycyclohexyl, cyclopentyl, 3-hydroxycyclopentyl, 2-hydroxycyclopentyl, cyclopropyl, ethyl, isopropyl, isobutyl, n-propyl, n-butyl, t-butyl, oxetan-3-yl, oxobicyclohexanyl, tetrahydropyran-4-yl, 3-oxetanyl, 2-oxetanyl, tetrahydropyran-3-yl, 4,4-difluorocyclohexyl, 4-hydroxycyclohexyl, 3-hydroxycyclohexyl, 2-hydroxycyclohexyl, 3-tetrahydrofuranyl, 1-cyanocyclobutyl, 1-cyanocyclopropyl, 1-methylcyclopropyl, 1-(hydroxymethyl)cyclopropyl, 2-methylcyclopropyl, 2-hydroxycyclopropyl, 4-methoxycyclobutyl, 3-methyl-oxetan-3-yl, bicyclo[2.2.1]heptanyl, 3-oxabicyclo[3.1.0]hex-6-yl, 1-(t-butylcarboxylate)piperidin-4-yl, piperidin-4-yl, 1-(methylcarboxylate)piperidin-4-yl, 1-(1-ethanone)piperidin-4-yl, 1-(methyl sulfonyl)piperidin-4-yl, 1-methylpyrazol-4-yl, 1-methylpyrazol-5-yl, thiazol-5-yl, 7-oxa-bicyclo[2.2.1]hept-2-yl, tetrahydropyran-4-yl, and 3-cyclohex-2-enonyl.
  • In certain embodiments of Formula II, the moiety represented by C(R1a)(R2a)(R3a) is selected from 2-hydroxycyclopentyl, 2-methylcyclopropyl, 3,3-difluorocyclobutyl, bicycloheptanyl, —(CH2)3CH3, —CH(CH3)—C(CH3)3, —CH(CH3)—CH2OCH3, —C(O)—C(CH3)3, —C(O)—CH(CH3)2, —C(O)-cyclopropyl, —C(O)—OC(CH3)3, —C(O)—OCH2CH(CH3)2, —C(O)—OCH2CH3, —CH(CH3)—CH(CH3)2, —CH(CH3)—CH2CH3, —CH2C(CH3)2—CH2OH, —CH2C(OH)(CH3)3, CH2C(CH3)3, —CH2CF3, —CH2CH(CH3)2, —CH2CH(CH3)—CH2CH3, —CH2CH2CH(CH3)2, —CH2-cyclopropyl, cyclobutyl, cyclohexyl, cyclopentyl, cyclopropyl, isopropyl, t-butyl, oxetan-3-yl, oxobicyclohexanyl, tertrahydropyran-4-yl, and tetrahydropyran-3-yl.
  • In certain embodiments of Formula II, the moiety represented by C(R1a)(R2a)(R3a) is selected from 2-methylcyclopropyl, —(CH2)3CH3, —CH(CH3)—C(CH3)3, —CH(CH3)—CH2OCH3, —CH(CH3)—CH(CH3)2, —CH(CH3)—CH2CH3, —CH2C(CH3)2—CH2OH, —CH2C(OH)(CH3)3, CH2C(CH3)3, —CH2CF3, —CH2CH(CH3)2, —CH(CH3)2, —CH2CH(CH3)—CH2CH3, —CH2CH2CH(CH3)2, —CH2-cyclopropyl, isopropyl, and t-butyl.
  • Further embodiments provided herein include combinations of one or more of the particular embodiments set forth above.
  • In another embodiment, the compound is selected from any one of the compounds set forth in Table 1, below.
  • TABLE 1
    Representative Compounds
    Cmpd No Structure
    100
    Figure US20220348554A1-20221103-C00006
    103
    Figure US20220348554A1-20221103-C00007
    108
    Figure US20220348554A1-20221103-C00008
    109
    Figure US20220348554A1-20221103-C00009
    110
    Figure US20220348554A1-20221103-C00010
    111
    Figure US20220348554A1-20221103-C00011
    112
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    Figure US20220348554A1-20221103-C00352
    514
    Figure US20220348554A1-20221103-C00353
    515
    Figure US20220348554A1-20221103-C00354
    516
    Figure US20220348554A1-20221103-C00355
    517
    Figure US20220348554A1-20221103-C00356
    518
    Figure US20220348554A1-20221103-C00357
    519
    Figure US20220348554A1-20221103-C00358
    521
    Figure US20220348554A1-20221103-C00359
    522
    Figure US20220348554A1-20221103-C00360
    523
    Figure US20220348554A1-20221103-C00361
    524
    Figure US20220348554A1-20221103-C00362
    526
    Figure US20220348554A1-20221103-C00363
    527
    Figure US20220348554A1-20221103-C00364
    528
    Figure US20220348554A1-20221103-C00365
    529
    Figure US20220348554A1-20221103-C00366
    530
    Figure US20220348554A1-20221103-C00367
    531
    Figure US20220348554A1-20221103-C00368
    532
    Figure US20220348554A1-20221103-C00369
    533
    Figure US20220348554A1-20221103-C00370
    534
    Figure US20220348554A1-20221103-C00371
    535
    Figure US20220348554A1-20221103-C00372
    536
    Figure US20220348554A1-20221103-C00373
    537
    Figure US20220348554A1-20221103-C00374
    538
    Figure US20220348554A1-20221103-C00375
    540
    Figure US20220348554A1-20221103-C00376
    541
    Figure US20220348554A1-20221103-C00377
    542
    Figure US20220348554A1-20221103-C00378
    543
    Figure US20220348554A1-20221103-C00379
    544
    Figure US20220348554A1-20221103-C00380
    545
    Figure US20220348554A1-20221103-C00381
    546
    Figure US20220348554A1-20221103-C00382
    547
    Figure US20220348554A1-20221103-C00383
    548
    Figure US20220348554A1-20221103-C00384
    549
    Figure US20220348554A1-20221103-C00385
    550
    Figure US20220348554A1-20221103-C00386
    551
    Figure US20220348554A1-20221103-C00387
    552
    Figure US20220348554A1-20221103-C00388
    543
    Figure US20220348554A1-20221103-C00389
    544
    Figure US20220348554A1-20221103-C00390
    545
    Figure US20220348554A1-20221103-C00391
    546
    Figure US20220348554A1-20221103-C00392
    547
    Figure US20220348554A1-20221103-C00393
    548
    Figure US20220348554A1-20221103-C00394
    549
    Figure US20220348554A1-20221103-C00395
    550
    Figure US20220348554A1-20221103-C00396
    551
    Figure US20220348554A1-20221103-C00397
    552
    Figure US20220348554A1-20221103-C00398
    554
    Figure US20220348554A1-20221103-C00399
    555
    Figure US20220348554A1-20221103-C00400
    556
    Figure US20220348554A1-20221103-C00401
    557
    Figure US20220348554A1-20221103-C00402
    558
    Figure US20220348554A1-20221103-C00403
    559
    Figure US20220348554A1-20221103-C00404
    560
    Figure US20220348554A1-20221103-C00405
    561
    Figure US20220348554A1-20221103-C00406
    562
    Figure US20220348554A1-20221103-C00407
    563
    Figure US20220348554A1-20221103-C00408
    564
    Figure US20220348554A1-20221103-C00409
    565
    Figure US20220348554A1-20221103-C00410
    566
    Figure US20220348554A1-20221103-C00411
    567
    Figure US20220348554A1-20221103-C00412
    568
    Figure US20220348554A1-20221103-C00413
    569
    Figure US20220348554A1-20221103-C00414
    570
    Figure US20220348554A1-20221103-C00415
    571
    Figure US20220348554A1-20221103-C00416
    572
    Figure US20220348554A1-20221103-C00417
    573
    Figure US20220348554A1-20221103-C00418
    574
    Figure US20220348554A1-20221103-C00419
    576
    Figure US20220348554A1-20221103-C00420
    577
    Figure US20220348554A1-20221103-C00421
    578
    Figure US20220348554A1-20221103-C00422
    580
    Figure US20220348554A1-20221103-C00423
    581
    Figure US20220348554A1-20221103-C00424
    582
    Figure US20220348554A1-20221103-C00425
    583
    Figure US20220348554A1-20221103-C00426
    584
    Figure US20220348554A1-20221103-C00427
    585
    Figure US20220348554A1-20221103-C00428
    586
    Figure US20220348554A1-20221103-C00429
    587
    Figure US20220348554A1-20221103-C00430
    588
    Figure US20220348554A1-20221103-C00431
    589
    Figure US20220348554A1-20221103-C00432
    590
    Figure US20220348554A1-20221103-C00433
    591
    Figure US20220348554A1-20221103-C00434
    592
    Figure US20220348554A1-20221103-C00435
    593
    Figure US20220348554A1-20221103-C00436
    594
    Figure US20220348554A1-20221103-C00437
    595
    Figure US20220348554A1-20221103-C00438
    596
    Figure US20220348554A1-20221103-C00439
    597
    Figure US20220348554A1-20221103-C00440
    598
    Figure US20220348554A1-20221103-C00441
    599
    Figure US20220348554A1-20221103-C00442
    600
    Figure US20220348554A1-20221103-C00443
    601
    Figure US20220348554A1-20221103-C00444
    602
    Figure US20220348554A1-20221103-C00445
    603
    Figure US20220348554A1-20221103-C00446
    604
    Figure US20220348554A1-20221103-C00447
    605
    Figure US20220348554A1-20221103-C00448
    606
    Figure US20220348554A1-20221103-C00449
    607
    Figure US20220348554A1-20221103-C00450
    608
    Figure US20220348554A1-20221103-C00451
    609
    Figure US20220348554A1-20221103-C00452
    610
    Figure US20220348554A1-20221103-C00453
    611
    Figure US20220348554A1-20221103-C00454
    612
    Figure US20220348554A1-20221103-C00455
    613
    Figure US20220348554A1-20221103-C00456
    614
    Figure US20220348554A1-20221103-C00457
    615
    Figure US20220348554A1-20221103-C00458
    616
    Figure US20220348554A1-20221103-C00459
    617
    Figure US20220348554A1-20221103-C00460
    618
    Figure US20220348554A1-20221103-C00461
    619
    Figure US20220348554A1-20221103-C00462
    621
    Figure US20220348554A1-20221103-C00463
    622
    Figure US20220348554A1-20221103-C00464
    623
    Figure US20220348554A1-20221103-C00465
    624
    Figure US20220348554A1-20221103-C00466
    625
    Figure US20220348554A1-20221103-C00467
    626
    Figure US20220348554A1-20221103-C00468
    627
    Figure US20220348554A1-20221103-C00469
    628
    Figure US20220348554A1-20221103-C00470
    629
    Figure US20220348554A1-20221103-C00471
    630
    Figure US20220348554A1-20221103-C00472
    631
    Figure US20220348554A1-20221103-C00473
    632
    Figure US20220348554A1-20221103-C00474
    633
    Figure US20220348554A1-20221103-C00475
    634
    Figure US20220348554A1-20221103-C00476
    635
    Figure US20220348554A1-20221103-C00477
    636
    Figure US20220348554A1-20221103-C00478
    637
    Figure US20220348554A1-20221103-C00479
    638
    Figure US20220348554A1-20221103-C00480
    639
    Figure US20220348554A1-20221103-C00481
    640
    Figure US20220348554A1-20221103-C00482
    641
    Figure US20220348554A1-20221103-C00483
    642
    Figure US20220348554A1-20221103-C00484
    644
    Figure US20220348554A1-20221103-C00485
    645
    Figure US20220348554A1-20221103-C00486
    646
    Figure US20220348554A1-20221103-C00487
    647
    Figure US20220348554A1-20221103-C00488
    648
    Figure US20220348554A1-20221103-C00489
    649
    Figure US20220348554A1-20221103-C00490
    650
    Figure US20220348554A1-20221103-C00491
    651
    Figure US20220348554A1-20221103-C00492
    652
    Figure US20220348554A1-20221103-C00493
    653
    Figure US20220348554A1-20221103-C00494
    654
    Figure US20220348554A1-20221103-C00495
    655
    Figure US20220348554A1-20221103-C00496
    657
    Figure US20220348554A1-20221103-C00497
    658
    Figure US20220348554A1-20221103-C00498
    660
    Figure US20220348554A1-20221103-C00499
    662
    Figure US20220348554A1-20221103-C00500
    663
    Figure US20220348554A1-20221103-C00501
    664
    Figure US20220348554A1-20221103-C00502
    665
    Figure US20220348554A1-20221103-C00503
    667
    Figure US20220348554A1-20221103-C00504
    669
    Figure US20220348554A1-20221103-C00505
    670
    Figure US20220348554A1-20221103-C00506
    671
    Figure US20220348554A1-20221103-C00507
    672
    Figure US20220348554A1-20221103-C00508
    673
    Figure US20220348554A1-20221103-C00509
    674
    Figure US20220348554A1-20221103-C00510
    675
    Figure US20220348554A1-20221103-C00511
    676
    Figure US20220348554A1-20221103-C00512
    677
    Figure US20220348554A1-20221103-C00513
    678
    Figure US20220348554A1-20221103-C00514
    679
    Figure US20220348554A1-20221103-C00515
    680
    Figure US20220348554A1-20221103-C00516
    681
    Figure US20220348554A1-20221103-C00517
    682
    Figure US20220348554A1-20221103-C00518
    683
    Figure US20220348554A1-20221103-C00519
    684
    Figure US20220348554A1-20221103-C00520
    685
    Figure US20220348554A1-20221103-C00521
    686
    Figure US20220348554A1-20221103-C00522
    687
    Figure US20220348554A1-20221103-C00523
    689
    Figure US20220348554A1-20221103-C00524
    690
    Figure US20220348554A1-20221103-C00525
    691
    Figure US20220348554A1-20221103-C00526
    692
    Figure US20220348554A1-20221103-C00527
    693
    Figure US20220348554A1-20221103-C00528
    694
    Figure US20220348554A1-20221103-C00529
    695
    Figure US20220348554A1-20221103-C00530
    696
    Figure US20220348554A1-20221103-C00531
    697
    Figure US20220348554A1-20221103-C00532
    698
    Figure US20220348554A1-20221103-C00533
    699
    Figure US20220348554A1-20221103-C00534
  • Included herein are also methods for making compounds of Formula I or a compound of any one of the embodiments described herein comprising reacting
  • Figure US20220348554A1-20221103-C00535
  • with
  • Figure US20220348554A1-20221103-C00536
  • In some embodiments, the preceding methods comprise step (1) reacting
  • Figure US20220348554A1-20221103-C00537
  • with
  • Figure US20220348554A1-20221103-C00538
  • to give
  • Figure US20220348554A1-20221103-C00539
  • and step (2) reacting
  • Figure US20220348554A1-20221103-C00540
  • with
  • Figure US20220348554A1-20221103-C00541
  • In other embodiments, the preceding methods comprise step (1) reacting
  • Figure US20220348554A1-20221103-C00542
  • with
  • Figure US20220348554A1-20221103-C00543
  • to give
  • Figure US20220348554A1-20221103-C00544
  • step (2) reacting
  • Figure US20220348554A1-20221103-C00545
  • with
  • Figure US20220348554A1-20221103-C00546
  • to give
  • Figure US20220348554A1-20221103-C00547
  • and step (3) reacting
  • Figure US20220348554A1-20221103-C00548
  • with
  • Figure US20220348554A1-20221103-C00549
  • Also included are methods for making compounds of Formula I or a compound of any one of the embodiments described herein comprising reacting
  • Figure US20220348554A1-20221103-C00550
  • with
  • Figure US20220348554A1-20221103-C00551
  • In some embodiments, the preceding methods comprise step (1) reacting
  • Figure US20220348554A1-20221103-C00552
  • with
  • Figure US20220348554A1-20221103-C00553
  • to give
  • Figure US20220348554A1-20221103-C00554
  • and step (2) reacting
  • Figure US20220348554A1-20221103-C00555
  • with
  • Figure US20220348554A1-20221103-C00556
  • In other embodiments, the preceding methods wherein R1 and R3 are taken together with the carbon atom to form C(═O), comprise step (1) reacting
  • Figure US20220348554A1-20221103-C00557
  • with NH3 to give
  • Figure US20220348554A1-20221103-C00558
  • and step (2) reacting
  • Figure US20220348554A1-20221103-C00559
  • with R2C(O)Cl or R2C(O)OMe.
  • Also included are methods for making compounds of Formula I or a compound of any one of the embodiments described herein comprising reacting
  • Figure US20220348554A1-20221103-C00560
  • with
  • Figure US20220348554A1-20221103-C00561
  • In some embodiments, the preceding methods comprise step (1) reacting
  • Figure US20220348554A1-20221103-C00562
  • with
  • Figure US20220348554A1-20221103-C00563
  • to give
  • Figure US20220348554A1-20221103-C00564
  • and step (2) reacting
  • Figure US20220348554A1-20221103-C00565
  • with
  • Figure US20220348554A1-20221103-C00566
  • Also included are methods for making compounds of Formula I or a compound of any one of the embodiments described herein comprising reacting
  • Figure US20220348554A1-20221103-C00567
  • with
  • Figure US20220348554A1-20221103-C00568
  • In some embodiments, the preceding methods comprise step (1) reacting
  • Figure US20220348554A1-20221103-C00569
  • with NH3 to give
  • Figure US20220348554A1-20221103-C00570
  • and step (2) reacting
  • Figure US20220348554A1-20221103-C00571
  • with
  • Figure US20220348554A1-20221103-C00572
  • Also included are methods for making compounds of Formula I or a compound of any one of the embodiments described herein comprising reacting
  • Figure US20220348554A1-20221103-C00573
  • with
  • Figure US20220348554A1-20221103-C00574
  • In some embodiments, the preceding methods comprise step (1) reacting
  • Figure US20220348554A1-20221103-C00575
  • with
  • Figure US20220348554A1-20221103-C00576
  • to give
  • Figure US20220348554A1-20221103-C00577
  • and step (2) reacting
  • Figure US20220348554A1-20221103-C00578
  • with
  • Figure US20220348554A1-20221103-C00579
  • In other embodiments, the preceding methods comprise step (1) converting
  • Figure US20220348554A1-20221103-C00580
  • step (2) reacting
  • Figure US20220348554A1-20221103-C00581
  • with
  • Figure US20220348554A1-20221103-C00582
  • to give
  • Figure US20220348554A1-20221103-C00583
  • and step (3) reacting
  • Figure US20220348554A1-20221103-C00584
  • with
  • Figure US20220348554A1-20221103-C00585
  • The compounds of one aspect of this invention may contain one or more asymmetric centers and thus occur as racemates, racemic mixtures, scalemic mixtures, and diastereomeric mixtures, as well as single enantiomers or individual stereoisomers that are substantially free from another possible enantiomer or stereoisomer. The term “substantially free of other stereoisomers” as used herein means a preparation enriched in a compound having a selected stereochemistry at one or more selected stereocenters by at least about 60%, 65%, 70%, 75%, 80%, 85%, 90%, 95%, 96%, 97%, 98%, or 99%. The term “enriched” means that at least the designated percentage of a preparation is the compound having a selected stereochemistry at one or more selected stereocenters. Methods of obtaining or synthesizing an individual enantiomer or stereoisomer for a given compound are known in the art and may be applied as practicable to final compounds or to starting material or intermediates.
  • In certain embodiments, the compound of Formula I or II is enriched for a structure or structures having a selected stereochemistry at one or more carbon atoms. For example, the compound is enriched in the specific stereoisomer by at least about 60%, 65%, 70%, 75%, 80%, 85%, 90%, 95%, 96%, 97%, 98%, or 99%.
  • The compounds of Formula I or II may also comprise one or more isotopic substitutions. For example, H may be in any isotopic form, including 1H, 2H (D or deuterium), and 3H (T or tritium); C may be in any isotopic form, including 13C, and 14C; O may be in any isotopic form, including 16O and 18O; and the like. For example, the compound is enriched in a specific isotopic form of H, C and/or O by at least about 60%, 65%, 70%, 75%, 80%, 85%, 90%, 95%, 96%, 97%, 98%, or 99%.
  • Unless otherwise indicated when a disclosed compound is named or depicted by a structure without specifying the stereochemistry and has one or more chiral centers, it is understood to represent all possible stereoisomers of the compound.
  • The compounds of one aspect of this invention may also be represented in multiple tautomeric forms, in such instances, one aspect of the invention expressly includes all tautomeric forms of the compounds described herein, even though only a single tautomeric form may be represented (e.g., alkylation of a ring system may result in alkylation at multiple sites, one aspect of the invention expressly includes all such reaction products; and keto-enol tautomers). All such isomeric forms of such compounds are expressly included herein.
  • It may be convenient or desirable to prepare, purify, and/or handle a corresponding salt of the active compound, for example, a pharmaceutically-acceptable salt. Examples of pharmaceutically acceptable salts are discussed in Berge et al., 1977, “Pharmaceutically Acceptable Salts.” J. Pharm. Sci. Vol. 66, pp. 1-19.
  • For example, if the compound is anionic, or has a functional group which may be anionic (e.g., —COOH may be —COO−), then a salt may be formed with a suitable cation. Examples of suitable inorganic cations include, but are not limited to, alkali metal ions such as Na+ and K+, alkaline earth cations such as Ca2+ and Mg2+, and other cations such as Al3+. Examples of suitable organic cations include, but are not limited to, ammonium ion (i.e., NH4 +) and substituted ammonium ions (e.g., NH3R+, NH2R2+, NHR3+, NR4+). Examples of some suitable substituted ammonium ions are those derived from: ethylamine, diethylamine, dicyclohexylamine, triethylamine, butylamine, ethylenediamine, ethanolamine, diethanolamine, piperazine, benzylamine, phenylbenzylamine, choline, meglumine, and tromethamine, as well as amino acids, such as lysine and arginine. An example of a common quaternary ammonium ion is N(CH3)4 +.
  • If the compound is cationic, or has a functional group that may be cationic (e.g., —NH2 may be —NH3 +), then a salt may be formed with a suitable anion. Examples of suitable inorganic anions include, but are not limited to, those derived from the following inorganic acids: hydrochloric, hydrobromic, hydroiodic, sulfuric, sulfurous, nitric, nitrous, phosphoric, and phosphorous.
  • Examples of suitable organic anions include, but are not limited to, those derived from the following organic acids: 2-acetyoxybenzoic, acetic, ascorbic, aspartic, benzoic, camphorsulfonic, cinnamic, citric, edetic, ethanedisulfonic, ethanesulfonic, fumaric, glucoheptonic, gluconic, glutamic, glycolic, hydroxymaleic, hydroxynaphthalene carboxylic, isethionic, lactic, lactobionic, lauric, maleic, malic, methanesulfonic, mucic, oleic, oxalic, palmitic, pamoic, pantothenic, phenylacetic, phenylsulfonic, propionic, pyruvic, salicylic, stearic, succinic, sulfanilic, tartaric, toluenesulfonic, and valeric. Mesylates of each compound in Table 1 are explicitly included herein. Examples of suitable polymeric organic anions include, but are not limited to, those derived from the following polymeric acids: tannic acid, carboxymethyl cellulose.
  • The compounds provided herein therefore include the compounds themselves, as well as their salts, hydrates and their prodrugs, if applicable. The compounds provided herein may be modified and converted to prodrugs by appending appropriate functionalities to enhance selected biological properties, e.g., targeting to a particular tissue. Such modifications (i.e., prodrugs) are known in the art and include those which increase biological penetration into a given biological compartment (e.g., blood, lymphatic system, central nervous system), increase oral availability, increase solubility to allow administration by injection, alter metabolism and alter rate of excretion. Examples of prodrugs include esters (e.g., phosphates, amino acid (e.g., valine) esters), carbamates and other pharmaceutically acceptable derivatives, which, upon administration to a subject, are capable of providing active compounds. Calcium and sodium phosphates of each compound in Table 1, if applicable, are explicitly included herein. Amino acid (e.g., valine) esters of each compound in Table 1, if applicable, are explicitly included herein.
    • Compositions and Routes of Administration
  • The compounds utilized in the methods described herein may be formulated together with a pharmaceutically acceptable carrier or adjuvant into pharmaceutically acceptable compositions prior to be administered to a subject. In another embodiment, such pharmaceutically acceptable compositions further comprise additional therapeutic agents in amounts effective for achieving a modulation of disease or disease symptoms, including those described herein.
  • The term “pharmaceutically acceptable carrier or adjuvant” refers to a carrier or adjuvant that may be administered to a subject, together with a compound of one aspect of this invention, and which does not destroy the pharmacological activity thereof and is nontoxic when administered in doses sufficient to deliver a therapeutic amount of the compound.
  • Pharmaceutically acceptable carriers, adjuvants and vehicles that may be used in the pharmaceutical compositions of one aspect of this invention include, but are not limited to, ion exchangers, alumina, aluminum stearate, lecithin, self-emulsifying drug delivery systems (SEDDS) such as d-α-tocopherol polyethyleneglycol 1000 succinate, surfactants used in pharmaceutical dosage forms such as Tweens or other similar polymeric delivery matrices, serum proteins, such as human serum albumin, buffer substances such as phosphates, glycine, sorbic acid, potassium sorbate, partial glyceride mixtures of saturated vegetable fatty acids, water, salts or electrolytes, such as protamine sulfate, disodium hydrogen phosphate, potassium hydrogen phosphate, sodium chloride, zinc salts, colloidal silica, magnesium trisilicate, polyvinyl pyrrolidone, cellulose-based substances, polyethylene glycol, sodium carboxymethylcellulose, polyacrylates, waxes, polyethylene-polyoxypropylene-block polymers, polyethylene glycol and wool fat. Cyclodextrins such as α-, β-, and γ-cyclodextrin, or chemically modified derivatives such as hydroxyalkylcyclodextrins, including 2- and 3-hydroxypropyl-3-cyclodextrins, or other solubilized derivatives may also be advantageously used to enhance delivery of compounds of the formulae described herein.
  • The pharmaceutical compositions of one aspect of this invention may be administered orally, parenterally, by inhalation spray, topically, rectally, nasally, buccally, vaginally or via an implanted reservoir, preferably by oral administration or administration by injection. The pharmaceutical compositions of one aspect of this invention may contain any conventional non-toxic pharmaceutically-acceptable carriers, adjuvants or vehicles. In some cases, the pH of the formulation may be adjusted with pharmaceutically acceptable acids, bases or buffers to enhance the stability of the formulated compound or its delivery form. The term parenteral as used herein includes subcutaneous, intracutaneous, intravenous, intramuscular, intraarticular, intraarterial, intrasynovial, intrasternal, intrathecal, intralesional and intracranial injection or infusion techniques.
  • The pharmaceutical compositions may be in the form of a sterile injectable preparation, for example, as a sterile injectable aqueous or oleaginous suspension. This suspension may be formulated according to techniques known in the art using suitable dispersing or wetting agents (such as, for example, Tween 80) and suspending agents. The sterile injectable preparation may also be a sterile injectable solution or suspension in a non-toxic parenterally acceptable diluent or solvent, for example, as a solution in 1,3-butanediol. Among the acceptable vehicles and solvents that may be employed are mannitol, water, Ringer's solution and isotonic sodium chloride solution. In addition, sterile, fixed oils are conventionally employed as a solvent or suspending medium. For this purpose, any bland fixed oil may be employed including synthetic mono- or diglycerides. Fatty acids, such as oleic acid and its glyceride derivatives are useful in the preparation of injectables, as are natural pharmaceutically-acceptable oils, such as olive oil or castor oil, especially in their polyoxyethylated versions. These oil solutions or suspensions may also contain a long-chain alcohol diluent or dispersant, or carboxymethyl cellulose or similar dispersing agents which are commonly used in the formulation of pharmaceutically acceptable dosage forms such as emulsions and or suspensions. Other commonly used surfactants such as Tweens or Spans and/or other similar emulsifying agents or bioavailability enhancers which are commonly used in the manufacture of pharmaceutically acceptable solid, liquid, or other dosage forms may also be used for the purposes of formulation.
  • The pharmaceutical compositions of one aspect of this invention may be orally administered in any orally acceptable dosage form including, but not limited to, capsules, tablets, emulsions and aqueous suspensions, dispersions and solutions. In the case of tablets for oral use, carriers which are commonly used include lactose and corn starch. Lubricating agents, such as magnesium stearate, are also typically added. For oral administration in a capsule form, useful diluents include lactose and dried corn starch. When aqueous suspensions and/or emulsions are administered orally, the active ingredient may be suspended or dissolved in an oily phase is combined with emulsifying and/or suspending agents. If desired, certain sweetening and/or flavoring and/or coloring agents may be added.
  • The pharmaceutical compositions of one aspect of this invention may also be administered in the form of suppositories for rectal administration. These compositions can be prepared by mixing a compound of one aspect of this invention with a suitable non-irritating excipient which is solid at room temperature but liquid at the rectal temperature and therefore will melt in the rectum to release the active components. Such materials include, but are not limited to, cocoa butter, beeswax and polyethylene glycols.
  • Topical administration of the pharmaceutical compositions of one aspect of this invention is useful when the desired treatment involves areas or organs readily accessible by topical application. For application topically to the skin, the pharmaceutical composition should be formulated with a suitable ointment containing the active components suspended or dissolved in a carrier. Carriers for topical administration of the compounds of one aspect of this invention include, but are not limited to, mineral oil, liquid petroleum, white petroleum, propylene glycol, polyoxyethylene polyoxypropylene compound, emulsifying wax and water. Alternatively, the pharmaceutical composition can be formulated with a suitable lotion or cream containing the active compound suspended or dissolved in a carrier with suitable emulsifying agents. Suitable carriers include, but are not limited to, mineral oil, sorbitan monostearate, polysorbate 60, cetyl esters wax, cetearyl alcohol, 2-octyldodecanol, benzyl alcohol and water. The pharmaceutical compositions of one aspect of this invention may also be topically applied to the lower intestinal tract by rectal suppository formulation or in a suitable enema formulation.
  • Topically-transdermal patches are also included in one aspect of this invention.
  • The pharmaceutical compositions of one aspect of this invention may be administered by nasal aerosol or inhalation. Such compositions are prepared according to techniques well-known in the art of pharmaceutical formulation and may be prepared as solutions in saline, employing benzyl alcohol or other suitable preservatives, absorption promoters to enhance bioavailability, fluorocarbons, and/or other solubilizing or dispersing agents known in the art.
  • When the compositions of one aspect of this invention comprise a combination of a compound of the formulae described herein and one or more additional therapeutic or prophylactic agents, both the compound and the additional agent should be present at dosage levels of between about 1 to 100%, and more preferably between about 5 to 95% of the dosage normally administered in a monotherapy regimen. The additional agents may be administered separately, as part of a multiple dose regimen, from the compounds of one aspect of this invention. Alternatively, those agents may be part of a single dosage form, mixed together with the compounds of one aspect of this invention in a single composition.
  • The compounds described herein can, for example, be administered by injection, intravenously, intraarterially, subdermally, intraperitoneally, intramuscularly, or subcutaneously; or orally, buccally, nasally, transmucosally, topically, in an ophthalmic preparation, or by inhalation, with a dosage ranging from about 0.5 to about 100 mg/kg of body weight, alternatively dosages between 1 mg and 1000 mg/dose, every 4 to 120 hours, or according to the requirements of the particular drug. The methods herein contemplate administration of an effective amount of compound or compound composition to achieve the desired or stated effect. Typically, the pharmaceutical compositions of one aspect of this invention will be administered from about 1 to about 6 times per day or alternatively, as a continuous infusion. Such administration can be used as a chronic or acute therapy. The amount of active ingredient that may be combined with the carrier materials to produce a single dosage form will vary depending upon the host treated and the particular mode of administration. A typical preparation will contain from about 5% to about 95% active compound (w/w). Alternatively, such preparations contain from about 20% to about 80% active compound.
  • Lower or higher doses than those recited above may be required. Specific dosage and treatment regimens for any particular subject will depend upon a variety of factors, including the activity of the specific compound employed, the age, body weight, general health status, sex, diet, time of administration, rate of excretion, drug combination, the severity and course of the disease, condition or symptoms, the subject's disposition to the disease, condition or symptoms, and the judgment of the treating physician.
  • Upon improvement of a subject's condition, a maintenance dose of a compound, composition or combination of one aspect of this invention may be administered, if necessary. Subsequently, the dosage or frequency of administration, or both, may be reduced, as a function of the symptoms, to a level at which the improved condition is retained when the symptoms have been alleviated to the desired level. Subjects may, however, require intermittent treatment on a long-term basis upon any recurrence of disease symptoms.
  • The pharmaceutical compositions described above comprising a compound of Structural Formula I or II or a compound described in any one of the embodiments herein, may further comprise another therapeutic agent useful for treating cancer.
    • Methods of Use
  • The inhibitory activities of the compounds provided herein against IDH2 mutants (e.g., IDH2R140Q and IDH2R172K) can be tested by methods described in Example 12 or analogous methods.
  • Provided is a method for inhibiting a mutant IDH2 activity comprising contacting a subject in need thereof with a compound of Structural Formula I or II, a compound described in any one of the embodiments herein, or a pharmaceutically acceptable salt thereof. In one embodiment, the cancer to be treated is characterized by a mutant allele of IDH2 wherein the IDH2 mutation results in a new ability of the enzyme to catalyze the NADPH-dependent reduction of α-ketoglutarate to R(−)-2-hydroxyglutarate in a subject. In one aspect of this embodiment, the mutant IDH2 has an R140X mutation. In another aspect of this embodiment, the R140X mutation is a R140Q mutation. In another aspect of this embodiment, the R140X mutation is a R140W mutation. In another aspect of this embodiment, the R140X mutation is a R140L mutation. In another aspect of this embodiment, the mutant IDH2 has an R172X mutation. In another aspect of this embodiment, the R172X mutation is a R172K mutation. In another aspect of this embodiment, the R172X mutation is a R172G mutation.
  • Also provided are methods of treating a cancer characterized by the presence of a mutant allele of IDH2 comprising the step of administering to subject in need thereof (a) a compound of Structural Formula I or II, a compound described in any one of the embodiments herein, or a pharmaceutically acceptable salt thereof, or (b) a pharmaceutical composition comprising (a) and a pharmaceutically acceptable carrier.
  • In one embodiment, the cancer to be treated is characterized by a mutant allele of IDH2 wherein the IDH2 mutation results in a new ability of the enzyme to catalyze the NADPH-dependent reduction of α-ketoglutarate to R(−)-2-hydroxyglutarate in a patient. In one aspect of this embodiment, the mutant IDH2 has an R140X mutation. In another aspect of this embodiment, the R140X mutation is a R140Q mutation. In another aspect of this embodiment, the R140X mutation is a R140W mutation. In another aspect of this embodiment, the R140X mutation is a R140L mutation. In another aspect of this embodiment, the mutant IDH2 has an R172X mutation. In another aspect of this embodiment, the R172X mutation is a R172K mutation. In another aspect of this embodiment, the R172X mutation is a R172G mutation. A cancer can be analyzed by sequencing cell samples to determine the presence and specific nature of (e.g., the changed amino acid present at) a mutation at amino acid 140 and/or 172 of IDH2.
  • Without being bound by theory, applicants believe that mutant alleles of IDH2 wherein the IDH2 mutation results in a new ability of the enzyme to catalyze the NADPH-dependent reduction of α-ketoglutarate to R(−)-2-hydroxyglutarate, and in particular R140Q and/or R172K mutations of IDH2, characterize a subset of all types of cancers, without regard to their cellular nature or location in the body. Thus, the compounds and methods of one aspect of this invention are useful to treat any type of cancer that is characterized by the presence of a mutant allele of IDH2 imparting such activity and in particular an IDH2 R140Q and/or R172K mutation.
  • In one aspect of this embodiment, the efficacy of cancer treatment is monitored by measuring the levels of 2HG in the subject. Typically levels of 2HG are measured prior to treatment, wherein an elevated level is indicated for the use of the compound of Formula I or II or a compound described in any one of the embodiments described herein to treat the cancer. Once the elevated levels are established, the level of 2HG is determined during the course of and/or following termination of treatment to establish efficacy. In certain embodiments, the level of 2HG is only determined during the course of and/or following termination of treatment. A reduction of 2HG levels during the course of treatment and following treatment is indicative of efficacy. Similarly, a determination that 2HG levels are not elevated during the course of or following treatment is also indicative of efficacy. Typically, the these 2HG measurements will be utilized together with other well-known determinations of efficacy of cancer treatment, such as reduction in number and size of tumors and/or other cancer-associated lesions, improvement in the general health of the subject, and alterations in other biomarkers that are associated with cancer treatment efficacy.
  • 2HG can be detected in a sample by LC/MS. The sample is mixed 80:20 with methanol, and centrifuged at 3,000 rpm for 20 minutes at 4 degrees Celsius. The resulting supernatant can be collected and stored at −80 degrees Celsius prior to LC-MS/MS to assess 2-hydroxyglutarate levels. A variety of different liquid chromatography (LC) separation methods can be used. Each method can be coupled by negative electrospray ionization (ESI, −3.0 kV) to triple-quadrupole mass spectrometers operating in multiple reaction monitoring (MRM) mode, with MS parameters optimized on infused metabolite standard solutions. Metabolites can be separated by reversed phase chromatography using 10 mM tributyl-amine as an ion pairing agent in the aqueous mobile phase, according to a variant of a previously reported method (Luo et al. J Chromatogr A 1147, 153-64, 2007). One method allows resolution of TCA metabolites: t=0, 50% B; t=5, 95% B; t=7, 95% B; t=8, 0% B, where B refers to an organic mobile phase of 100% methanol. Another method is specific for 2-hydroxyglutarate, running a fast linear gradient from 50%-95% B (buffers as defined above) over 5 minutes. A Synergi Hydro-RP, 100 mm×2 mm, 2.1 μm particle size (Phenomonex) can be used as the column, as described above. Metabolites can be quantified by comparison of peak areas with pure metabolite standards at known concentration. Metabolite flux studies from 13C-glutamine can be performed as described, e.g., in Munger et al. Nat Biotechnol 26, 1179-86, 2008.
  • In one embodiment 2HG is directly evaluated.
  • In another embodiment a derivative of 2HG formed in process of performing the analytic method is evaluated. By way of example such a derivative can be a derivative formed in MS analysis. Derivatives can include a salt adduct, e.g., a Na adduct, a hydration variant, or a hydration variant which is also a salt adduct, e.g., a Na adduct, e.g., as formed in MS analysis.
  • In another embodiment a metabolic derivative of 2HG is evaluated. Examples include species that build up or are elevated, or reduced, as a result of the presence of 2HG, such as glutarate or glutamate that will be correlated to 2HG, e.g., R-2HG.
  • Exemplary 2HG derivatives include dehydrated derivatives such as the compounds provided below or a salt adduct thereof:
  • Figure US20220348554A1-20221103-C00586
  • In one embodiment the cancer is a tumor wherein at least 30, 40, 50, 60, 70, 80 or 90% of the tumor cells carry an IDH2 mutation, and in particular an IDH2 R140Q, R140W, or R140L and/or R172K or R172G mutation, at the time of diagnosis or treatment.
  • In another embodiment, one aspect of the invention provides a method of treating a cancer selected from glioblastoma (glioma), myelodysplastic syndrome (MDS), myeloproliferative neoplasm (MPN), acute myelogenous leukemia (AML), sarcoma, melanoma, non-small cell lung cancer, chondrosarcoma, cholangiocarcinomas or angioimmunoblastic lymphoma in a patient by administering to the patient a compound of Formula I or Formula II in an amount effective to treat the cancer. In a more specific embodiment the cancer to be treated is glioma, myelodysplastic syndrome (MDS), myeloproliferative neoplasm (MPN), acute myelogenous leukemia (AML), melanoma, chondrosarcoma, or angioimmunoblastic non-Hodgkin's lymphoma (NHL).
  • 2HG is known to accumulate in the inherited metabolic disorder 2-hydroxyglutaric aciduria. This disease is caused by deficiency in the enzyme 2-hydroxyglutarate dehydrogenase, which converts 2HG to α-KG (Struys, E. A. et al. Am J Hum Genet 76, 358-60 (2005)). Patients with 2-hydroxyglutarate dehydrogenase deficiencies accumulate 2HG in the brain as assessed by Mill and CSF analysis, develop leukoencephalopathy, and have an increased risk of developing brain tumors (Aghili, M., Zahedi, F. & Rafiee, J Neurooncol 91, 233-6 (2009); Kolker, S., Mayatepek, E. & Hoffmann, G. F. Neuropediatrics 33, 225-31 (2002); Wajner, M., Latini, A., Wyse, A. T. & Dutra-Filho, C. S. J Inherit Metab Dis 27, 427-48 (2004)). Furthermore, elevated brain levels of 2HG result in increased ROS levels (Kolker, S. et al. Eur J Neurosci 16, 21-8 (2002); Latini, A. et al. Eur J Neurosci 17, 2017-22 (2003)), potentially contributing to an increased risk of cancer. The ability of 2HG to act as an NMDA receptor agonist may contribute to this effect (Kolker, S. et al. Eur J Neurosci 16, 21-8 (2002)). 2HG may also be toxic to cells by competitively inhibiting glutamate and/or αKG utilizing enzymes. These include transaminases which allow utilization of glutamate nitrogen for amino and nucleic acid biosynthesis, and αKG-dependent prolyl hydroxylases such as those which regulate Hif1-alpha levels.
  • Thus, according to another embodiment, one aspect of the invention provides a method of treating 2-hydroxyglutaric aciduria, particularly D-2-hydroxyglutaric aciduria, in a patient by administering to the patient a compound of Structural Formula I or II or a compound described in any one of the embodiments described herein.
  • Treatment methods described herein can additionally comprise various evaluation steps prior to and/or following treatment with a compound of Structural Formula I or II or a compound described in any one of the embodiments described herein.
  • In one embodiment, prior to and/or after treatment with a compound of Structural Formula I or II or a compound described in any one of the embodiments described herein, the method further comprises the step of evaluating the growth, size, weight, invasiveness, stage and/or other phenotype of the cancer.
  • In one embodiment, prior to and/or after treatment with a compound of Formula I or II or a compound described in any one of the embodiments described herein, the method further comprises the step of evaluating the IDH2 genotype of the cancer. This may be achieved by ordinary methods in the art, such as DNA sequencing, immuno analysis, and/or evaluation of the presence, distribution or level of 2HG.
  • In one embodiment, prior to and/or after treatment with a compound of Formula I or II or a compound described in any one of the embodiments described herein, the method further comprises the step of determining the 2HG level in the subject. This may be achieved by spectroscopic analysis, e.g., magnetic resonance-based analysis, e.g., MRI and/or MRS measurement, sample analysis of bodily fluid, such as serum or spinal cord fluid analysis, or by analysis of surgical material, e.g., by mass-spectroscopy.
    • Combination Therapies
  • In some embodiments, the methods described herein comprise the additional step of co-administering to a subject in need thereof a second therapy e.g., an additional cancer therapeutic agent or an additional cancer treatment. Exemplary additional cancer therapeutic agents include for example, chemotherapy, targeted therapy, antibody therapies, immunotherapy, and hormonal therapy. Additional cancer treatments include, for example: surgery, and radiation therapy. Examples of each of these treatments are provided below.
  • The term “co-administering” as used herein with respect to an additional cancer therapeutic agents means that the additional cancer therapeutic agent may be administered together with a compound of one aspect of this invention as part of a single dosage form (such as a composition of one aspect of this invention comprising a compound of one aspect of the invention and an second therapeutic agent as described above) or as separate, multiple dosage forms. Alternatively, the additional cancer therapeutic agent may be administered prior to, consecutively with, or following the administration of a compound of one aspect of this invention. In such combination therapy treatment, both the compounds of one aspect of this invention and the second therapeutic agent(s) are administered by conventional methods. The administration of a composition of one aspect of this invention, comprising both a compound of one aspect of the invention and a second therapeutic agent, to a subject does not preclude the separate administration of that same therapeutic agent, any other second therapeutic agent or any compound of one aspect of this invention to said subject at another time during a course of treatment. The term “co-administering” as used herein with respect to an additional cancer treatment means that the additional cancer treatment may occur prior to, consecutively with, concurrently with or following the administration of a compound of one aspect of this invention.
  • In some embodiments, the additional cancer therapeutic agent is a chemotherapy agent. Examples of chemotherapeutic agents used in cancer therapy include, for example, antimetabolites (e.g., folic acid, purine, and pyrimidine derivatives), alkylating agents (e.g., nitrogen mustards, nitrosoureas, platinum, alkyl sulfonates, hydrazines, triazenes, aziridines, spindle poison, cytotoxic agents, topoisomerase inhibitors and others), and hypomethylating agents (e.g., decitabine (5-aza-deoxycytidine), zebularine, isothiocyanates, azacitidine (5-azacytidine), 5-flouro-2′-deoxycytidine, 5,6-dihydro-5-azacytidine and others). Exemplary agents include Aclarubicin, Actinomycin, Alitretinoin, Altretamine, Aminopterin, Aminolevulinic acid, Amrubicin, Amsacrine, Anagrelide, Arsenic trioxide, Asparaginase, Atrasentan, Belotecan, Bexarotene, bendamustine, Bleomycin, Bortezomib, Busulfan, Camptothecin, Capecitabine, Carboplatin, Carboquone, Carmofur, Carmustine, Celecoxib, Chlorambucil, Chlormethine, Cisplatin, Cladribine, Clofarabine, Crisantaspase, Cyclophosphamide, Cytarabine, Dacarbazine, Dactinomycin, Daunorubicin, Decitabine, Demecolcine, Docetaxel, Doxorubicin, Efaproxiral, Elesclomol, Elsamitrucin, Enocitabine, Epirubicin, Estramustine, Etoglucid, Etoposide, Floxuridine, Fludarabine, Fluorouracil (5FU), Fotemustine, Gemcitabine, Gliadel implants, Hydroxycarbamide, Hydroxyurea, Idarubicin, Ifosfamide, Irinotecan, Irofulven, Ixabepilone, Larotaxel, Leucovorin, Liposomal doxorubicin, Liposomal daunorubicin, Lonidamine, Lomustine, Lucanthone, Mannosulfan, Masoprocol, Melphalan, Mercaptopurine, Mesna, Methotrexate, Methyl aminolevulinate, Mitobronitol, Mitoguazone, Mitotane, Mitomycin, Mitoxantrone, Nedaplatin, Nimustine, Oblimersen, Omacetaxine, Ortataxel, Oxaliplatin, Paclitaxel, Pegaspargase, Pemetrexed, Pentostatin, Pirarubicin, Pixantrone, Plicamycin, Porfimer sodium, Prednimustine, Procarbazine, Raltitrexed, Ranimustine, Rubitecan, Sapacitabine, Semustine, Sitimagene ceradenovec, Strataplatin, Streptozocin, Talaporfin, Tegafur-uracil, Temoporfin, Temozolomide, Teniposide, Tesetaxel, Testolactone, Tetranitrate, Thiotepa, Tiazofurine, Tioguanine, Tipifarnib, Topotecan, Trabectedin, Triaziquone, Triethylenemelamine, Triplatin, Tretinoin, Treosulfan, Trofosfamide, Uramustine, Valrubicin, Verteporfin, Vinblastine, Vincristine, Vindesine, Vinflunine, Vinorelbine, Vorinostat, Zorubicin, and other cytostatic or cytotoxic agents described herein.
  • Because some drugs work better together than alone, two or more drugs are often given at the same time. Often, two or more chemotherapy agents are used as combination chemotherapy.
  • In some embodiments, the additional cancer therapeutic agent is a differentiation agent. Such differentiation agent includes retinoids (such as all-trans-retinoic acid (ATRA), 9-cis retinoic acid, 13-cis-retinoic acid (13-cRA) and 4-hydroxy-phenretinamide (4-HPR)); arsenic trioxide; histone deacetylase inhibitors HDACs (such as azacytidine (Vidaza) and butyrates (e.g., sodium phenylbutyrate)); hybrid polar compounds (such as hexamethylene bisacetamide ((HMBA)); vitamin D; and cytokines (such as colony-stimulating factors including G-CSF and GM-CSF, and interferons).
  • In some embodiments the additional cancer therapeutic agent is a targeted therapy agent. Targeted therapy constitutes the use of agents specific for the deregulated proteins of cancer cells. Small molecule targeted therapy drugs are generally inhibitors of enzymatic domains on mutated, overexpressed, or otherwise critical proteins within the cancer cell. Prominent examples are the tyrosine kinase inhibitors such as Axitinib, Bosutinib, Cediranib, dasatinib, erlotinib, imatinib, gefitinib, lapatinib, Lestaurtinib, Nilotinib, Semaxanib, Sorafenib, Sunitinib, and Vandetanib, and also cyclin-dependent kinase inhibitors such as Alvocidib and Seliciclib. Monoclonal antibody therapy is another strategy in which the therapeutic agent is an antibody which specifically binds to a protein on the surface of the cancer cells. Examples include the anti-HER2/neu antibody trastuzumab (HERCEPTIN®) typically used in breast cancer, and the anti-CD20 antibody rituximab and Tositumomab typically used in a variety of B-cell malignancies. Other exemplary antibodies include Cetuximab, Panitumumab, Trastuzumab, Alemtuzumab, Bevacizumab, Edrecolomab, and Gemtuzumab. Exemplary fusion proteins include Aflibercept and Denileukin diftitox. In some embodiments, the targeted therapy can be used in combination with a compound described herein, e.g., a biguanide such as metformin or phenformin, preferably phenformin.
  • Targeted therapy can also involve small peptides as “homing devices” which can bind to cell surface receptors or affected extracellular matrix surrounding the tumor. Radionuclides which are attached to these peptides (e.g., RGDs) eventually kill the cancer cell if the nuclide decays in the vicinity of the cell. An example of such therapy includes BEXXAR®.
  • In some embodiments, the additional cancer therapeutic agent is an immunotherapy agent. Cancer immunotherapy refers to a diverse set of therapeutic strategies designed to induce the subject's own immune system to fight the tumor. Contemporary methods for generating an immune response against tumors include intravesicular BCG immunotherapy for superficial bladder cancer, and use of interferons and other cytokines to induce an immune response in renal cell carcinoma and melanoma subjects.
  • Allogeneic hematopoietic stem cell transplantation can be considered a form of immunotherapy, since the donor's immune cells will often attack the tumor in a graft-versus-tumor effect. In some embodiments, the immunotherapy agents can be used in combination with a compound or composition described herein.
  • In some embodiments, the additional cancer therapeutic agent is a hormonal therapy agent. The growth of some cancers can be inhibited by providing or blocking certain hormones. Common examples of hormone-sensitive tumors include certain types of breast and prostate cancers. Removing or blocking estrogen or testosterone is often an important additional treatment. In certain cancers, administration of hormone agonists, such as progestogens may be therapeutically beneficial. In some embodiments, the hormonal therapy agents can be used in combination with a compound or a composition described herein.
  • Other possible additional therapeutic modalities include imatinib, gene therapy, peptide and dendritic cell vaccines, synthetic chlorotoxins, and radiolabeled drugs and antibodies.
    • EXAMPLES
  • ABBREVIATIONS
    anhy.—anhydrous NMR—nuclear magnetic resonance
    aq.—aqueous TLC—thin layer chromatography
    min—minute(s) HPLC—high-performance liquid
    mL—milliliter chromatography
    mmol—millimole(s) Hz—hertz
    mol—mole(s) δ—chemical shift
    MS—mass spectrometry J—coupling constant
    s—singlet K2CO3—potassium carbonate
    d—doublet Na2CO3—sodium carbonate
    t—triplet TFA—trifluoroacetic acid
    q—quartet Na2SO4—sodium sulfate
    m—multiplet NaBH4—sodium borohydride
    br—broad NaHCO3—sodium bicarbonate
    qd—quartet of doublets LiHMDS—lithium hexamethyldisilylamide
    dquin—doublet of quintets NaHMDS—sodium hexamethyldisilylamide
    dd—doublet of doublets LAH—lithium aluminum hydride
    dt—doublet of triplets NaBH4—sodium borohydride
    CHCl3—chloroform LDA—lithium diisopropylamide
    DCM—dichloromethane Et3N—triethylamine
    DMF—dimethylformamide DMAP—4-(dimethylamino)pyridine
    Et2O—diethyl ether DIPEA—N,N-diisopropylethylamine
    EtOH—ethyl alcohol NH4OH—ammonium hydroxide
    EtOAc—ethyl acetate EDCI—1-ethyl-3-(3-
    MeOH—methyl alcohol dimethylaminopropyl)carbodiimide
    MeCN—acetonitrile HOBt—1-hydroxybenzotriazole
    PE—petroleum ether HATU—O-(7-azabenzotriazol-1-yl)-
    THF—tetrahydrofuran N,N,N′,N′-tetra-methyluronium
    AcOH—acetic acid BINAP—2,2′-bis(diphenylphosphanyl)-
    HCl—hydrochloric acid 1,1′-binaphthyl
    H2SO4—sulfuric acid
    NH4Cl—ammonium
    chloride
    KOH—potassium
    hydroxide
    NaOH—sodium hydroxide
  • In the following examples, reagents were purchased from commercial sources (including Alfa, Acros, Sigma Aldrich, TCI and Shanghai Chemical Reagent Company), and used without further purification. Nuclear magnetic resonance (NMR) spectra were obtained on a Brucker AMX-400 NMR (Brucker, Switzerland). Chemical shifts were reported in parts per million (ppm, δ) downfield from tetramethylsilane. Mass spectra were run with electrospray ionization (ESI) from a Waters LCT TOF Mass Spectrometer (Waters, USA).
  • For exemplary compounds disclosed in this section, the specification of a stereoisomer (e.g., an (R) or (S) stereoisomer) indicates a preparation of that compound such that the compound is enriched at the specified stereocenter by at least about 90%, 95%, 96%, 97%, 98%, or 99%. The chemical name of each of the exemplary compound described below is generated by ChemDraw software.
  • Example 1. Preparation of Compounds of Formula I Wherein Ring A is Phenyl, and —C(R1)(R2)(R3) is Isopropyl. The compounds of this Example are prepared by general Scheme 1, set forth below.
  • Figure US20220348554A1-20221103-C00587
  • Example 1, step 1: Preparation of 2,4-dichloro-6-phenyl-1,3,5-triazine (2). To a solution of 2,4,6-trichloro-[1,3,5]triazine (1, 120 g, 0.652 mol) in anhydrous THF (1200 mL) was added phenylmagnesium bromide (217 mL, 0.651 mol, 3 M in ether) dropwise at −10 to −0° C. under N2 protection. After the addition, the mixture was warmed to room temperature and stirred for 2 hrs. The reaction was cooled to 0° C. and quenched by addition of saturated NH4C1 (200 mL), then extracted with ethyl acetate. The organic layer was dried, concentrated and purified via column chromatography (eluted with petroleum ether) to afford 2,4-dichloro-6-phenyl-1,3,5-triazine as a white solid. 1H NMR (CDCl3) δ 7.51-7.55 (m, 2H), 7.64-7.67 (m, 1H), 8.49-8.63 (m, 2H).
    Example 1, step 2: Preparation of 4-chloro-N-isopropyl-6-phenyl-1,3,5-triazin-2-amine (3). To a solution of 2,4-dichloro-6-phenyl-1,3,5-triazine (2; 20 g, 0.089 mol) in anhydrous THF (150 mL) was added dropwise a solution of isopropylamine (5.25 g, 0.089 mol) in THF (10 mL) at room temperature via syringe under N2. After the addition, the mixture was stirred at room temperature under N2 for 16 hrs. The reaction was quenched by water (150 mL) and extracted with ethyl acetate. The organic layer was dried, concentrated and purified via SiO2 chromatography to afford 4-chloro-N-isopropyl-6-phenyl-1,3,5-triazin-2-amine (3) as white solid.
  • 1H NMR (CDCl3) δ 1.17-1.24 (m, 6H), 4.16-4.35 (m, 1H), 5.46-5.54 (m, 1H), 7.18-7.50 (m, 3H0, 8.31 (dd, J1=8.4 Hz, J2=34.4 Hz, 2H).
  • Example 1, Step 3 (Procedure A). Preparation of Compound 178—N-(3-Fluoro-phenyl)-N′-isopropyl-6-phenyl-[1,3,5]triazine-2,4-diamine. A mixture of (4-chloro-6-phenyl-[1,3,5]triazin-2-yl)-isopropyl-amine (3; 200 mg, 0.806 mmol) and 3-fluoro-phenylamine (135 mg, 1.215 mmol) in anhydrous THF was stirred at room temperature for 16 hrs. The reaction was quenched by water and extracted with ethyl acetate. The organic layer was washed with brine, dried over Na2SO4, concentrated and purified by a standard method to give N-(3-fluoro-phenyl)-N′-isopropyl-6-phenyl-[1,3,5]triazine-2,4-diamine.
  • Figure US20220348554A1-20221103-C00588
  • 1H NMR (METHANOL-d4) δ 8.37-8.33 (m, 2H), 7.87-7.84 (m, 1H), 7.52-7.48 (m, 5H), 7.27-7.25 (m, 1H), 6.73-6.69 (m, 1H), 4.24 (m, 1H), 1.16 (d, J=6.4 Hz, 6H). LC-MS: m/z 323.9 (M+H)+. Other compounds produced by Step 3, Procedure A of this example using the appropriate reagent 4 are set forth below.
    • Compound 195—N2-isopropyl-N4-(3-(methoxymethyl)phenyl)-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00589
  • 1H NMR (METHANOL-d4) 8.40-8.34 (m, 2H) 7.99-7.83 (m, 1H), 7.62-7.60 (m, 1H), 7.53-7.44 (m, 3H), 7.31-7.27 (m, 1H), 7.00-6.99 (m, 1H), 4.48 (s, 2H) 4.29-4.27 (m, 1H), 3.41 (s, 3H), 1.16 (d, J=6.8 Hz, 6H). LC-MS: m/z 350.3 (M+H)+.
    • Compound 198—2-(3-(4-(isopropylamino)-6-phenyl-1,3,5-triazin-2-ylamino)phenyl)acetonitrile
  • Figure US20220348554A1-20221103-C00590
  • 1H NMR (METHANOL-d4) 8.42-8.38 (m, 2H) 8.18-8.11 (m, 1H), 7.61-7.60 (m, 1H), 7.52-7.45 (m, 3H), 7.35-7.31 (m, 1H), 7.02-7.00 (m, 1H), 4.34 (m, 1H), 3.92 (s, 2H), 1.16 (d, J=6.8 Hz, 6H). LC-MS: m/z 345.2 (M+H)+.
    • Compound 201—2-(3-(4-(isopropylamino)-6-phenyl-1,3,5-triazin-2-ylamino)phenyl)propan-2-ol
  • Figure US20220348554A1-20221103-C00591
  • 1H NMR (METHANOL-d4) 8.36-8.35 (m, 2H), 8.06-8.01 (m, 1H), 7.55-7.44 (m, 4H), 7.29-7.25 (m, 1H), 7.20-7.18 (m, 1H), 4.46-4.41 (m, 1H), 1.58 (s, 6H), 1.16 (d, J=6.8 Hz, 6H). LC-MS: m/z 364.1 (M+H)+.
    • Compound 204—N-ethyl-3-(4-(isopropylamino)-6-phenyl-1,3,5-triazin-2-ylamino)benzenesulfonamide
  • Figure US20220348554A1-20221103-C00592
  • 1H NMR (METHANOL-d4) δ 8.86-8.64 (m, 1H), 8.44-8.38 (m, 2H), 7.82-7.72 (m, 1H), 7.53-7.44 (m, 5H), 4.37-4.35 (m, 1H), 2.97-2.92 (m, 2H), 1.299-1.282 (d, J=6.8 Hz, 6H), 1.09-1.05 (t, 3H).
  • LC-MS: m/z 413.1 (M+H)+.
    • Compound 205—N2-(3-(ethylsulfonyl)phenyl)-N4-isopropyl-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00593
  • 1H NMR (METHANOL-d4) δ 8.81-8.79 (m, 1H), 8.28-8.26 (m, 2H), 7.82-7.63 (m, 6H), 4.45-4.42 (m, 1H), 3.26-3.23 (m, 2H), 1.386-1.369 (d, J=6.8 Hz, 6H), 1.27-1.24 (t, 3H). LC-MS: m/z 398.0 (M+H)+.
    • Compound 206—N2-isopropyl-N4-(3-(isopropylsulfonyl)phenyl)-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00594
  • 1H NMR (METHANOL-d4) δ 9.00-8.97 (m, 1H) 8.45-8.39 (m, 2H), 7.78-7.76 (m, 1H), 7.58-7.44 (m, 5H), 4.36-4.31 (m, 1H), 3.32-3.31 (m, 1H), 1.31-1.29 (m, 6H). LC-MS: m/z 412.0 (M+H)+.
    • Compound 341—N-cyclopropyl-3-(4-(isopropylamino)-6-phenyl-1,3,5-triazin-2-ylamino)benzenesulfonamide
  • Figure US20220348554A1-20221103-C00595
  • 1H NMR (METHANOL-d4) δ 8.77-8.72 (m, 1H), 8.24-8.22 (m, 2H), 7.67-7.62 (m, 6H), 4.48-4.45 (m, 1H), 2.24-2.16 (m, 1H), 1.378-1.362 (d, J=6.4 Hz, 6H), 0.53-0.51 (m, 4H). LC-MS: m/z 425.3 (M+H)+.
    • Compound 342—N-tert-butyl-3-(4-(isopropylamino)-6-phenyl-1,3,5-triazin-2-ylamino)benzenesulfonamide
  • Figure US20220348554A1-20221103-C00596
  • 1H NMR (METHANOL-d4) δ 8.88-8.69 (m, 1H), 8.45-8.49 (m, 2H), 7.77-7.70 (m, 1H), 7.53-7.44 (m, 5H), 4.40-4.37 (m, 1H), 1.304-1.288 (d, J=6.4 Hz, 6H), 1.21 (s, 9H). LC-MS: m/z 441.3 (M+H)+.
    • Compound 351—2-(4-(isopropylamino)-6-phenyl-1,3,5-triazin-2-ylamino)phenol
  • Figure US20220348554A1-20221103-C00597
  • 1H NMR (METHANOL-d4) δ 8.40-8.32 (m, 2H), 8.00-7.99 (m, 1H), 7.57-7.47 (m, 3H), 6.97-6.87 (m, 3H), 4.45-4.21 (m, 1H), 1.31 (d, J=6.8 Hz, 6H). LC-MS: m/z 321.9 (M+H).
  • Example 1, Step 3 (Procedure B). Preparation of Compound 288—N2-isopropyl-N4-(2-methylpyridin-4-yl)-6-phenyl-1,3,5-triazine-2,4-diamine. To a solution of (4-chloro-6-phenyl-[1,3,5]triazin-2-yl)-isopropyl-amine (3; 150 mg, 0.6 mmol) in DMSO (2 mL) was added 2-methylpyridin-4-amin (78.4 mg, 0.73 mmol), CsF (310 mg, 1.21 mmol) and DIPEA (230 mg, 1.81 mmol). The mixture was stirred at 80° C. for 2 h. The mixture was cooled down to rt and filtered to remove the solid. The filtrate was purified by a standard method to give N2-isopropyl-N4-(2-methylpyridin-4-yl)-6-phenyl-1,3,5-triazine-2,4-diamine (110 mg, 57.9%).
  • Figure US20220348554A1-20221103-C00598
  • 1H NMR (METHANOL-d4) δ 8.19-8.40 (m, 5H), 7.53-7.58 (m, 3H), 4.30-4.43 (m, 1H), 2.66-2.77 (m, 3H), 1.33 (d, J=4.4 Hz, 6H). LC-MS: m/z 321.1 (M+H)+.
  • Additional compounds of Formula I were made using the appropriate reagent 4 and following Step 3, Procedure B.
    • Compound 292—N2-(3-fluoropyridin-4-yl)-N4-isopropyl-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00599
  • 1H NMR (METHANOL-d4) δ 1.34-1.39 (m, 6H), 4.43-4.51 (m, 1H), 7.19-7.25 (m, 1H), 7.53-7.65 (m, 3H), 8.53-8.58 (m, 2H), 9.40-9.45 (m, 1H), 9.56-9.60 (m, 1H). LC-MS: m/z 325.0 (M+H)+.
    • Compound 298—N2-isopropyl-N4-(2-morpholinopyridin-4-yl)-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00600
  • 1H NMR (METHANOL-d4) δ 8.35-8.37 (m, 2H), 7.76-7.90 (m, 2H), 7.51-7.52 (m, 3H), 7.45-7.47 (m, 1H), 4.23-4.49 (m, 1H), 3.82-3085 (m, 4H), 3.50-3.51 (m, 4H), 1.30 (d, J=6.4 Hz, 6H).
  • LC-MS: m/z 392.1 (M+H)+.
    • Compound 299—N2-(2-(azetidin-1-yl)pyridin-4-yl)-N4-isopropyl-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00601
  • 1H NMR (METHANOL-d4) δ 8.38-8.43 (m, 2H), 7.46-7.74 (m, 5H), 6.88-6.90 (m, 1H), 4.21-4.25 (m, 4H), 2.53-2.56 (m, 2H), 1.30 (d, J=6.4 Hz, 6H). LC-MS: m/z 362.0 (M+H)+.
    • Example 1, Step 3 (Procedure C). Preparation of Compound 146—N-(6-fluoro-pyridin-3-yl)-N′-isopropyl-6-phenyl-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00602
  • A mixture of (4-chloro-6-phenyl-[1,3,5]triazin-2-yl)-isopropyl-amine (3; 400 mg, 1.61 mmol), 6-fluoro-pyridin-3-ylamine (272 mg, 2.43 mmol) Pd(dppf)Cl2 (120 mg, 0.164 mmol) and t-BuONa (310 mg, 3.23 mmol) was stirred at 80° C. under N2 for 2 hrs. The mixture was cooled to room temperature and quenched by water, then extracted with ethyl acetate. The organic layer was washed with brine, dried over Na2SO4, concentrated and purified by a standard method to give N-(6-fluoro-pyridin-3-yl)-N′-isopropyl-6-phenyl-[1,3,5]triazine-2,4-diamine.
  • Figure US20220348554A1-20221103-C00603
  • 1H NMR (METHANOL-d4) δ 8.41-8.39 (m, 2H), 7.91-7.88 (m, 5H), 7.62-7.45 (m, 3H), 5.55-5.20 (m, 1H), 4.44-4.20 (m., 1H), 3.05 (s., 1H), 1.31 (dd, J=4, 400 MHz, 6H). LC-MS: m/z 384.2 (M+H)+
  • Additional compounds of Formula 1 in the example that were prepared according to Example 1, Step 3, Procedure C using the appropriate reagent 4 are set forth below.
    • Compound 177—3-(4-(isopropylamino)-6-phenyl-1,3,5-triazin-2-ylamino)-N,N-dimethylbenzenesulfonamide
  • Figure US20220348554A1-20221103-C00604
  • 1H NMR (METHANOL-d4) δ 8.99-8.78 (m, 1H), 8.39-8.37 (m, 2H), 7.99-7.97 (m, 1H), 7.91-7.65 (m, 1H), 7.54-7.38 (m. 5H), 4.41-4.38 (m, 1H), 2.71 (s, 6H), 1.293-1.277 (d, J=6.4 Hz, 6H).
  • LC-MS: m/z 413.1 (M+H)+.
    • Compound 193—N2-(5-fluoropyridin-3-yl)-N4-isopropyl-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00605
  • 1H NMR (METHANOL-d4) δ 8.47-8.15 (m, 5H), 7.52-7.44 (m, 3H), 7.24-7.17 (m, 1H), 5.37-5.16 (m, 1H), 4.44-4.19 (m., 1H), 3.05 (s., 1H), 1.16 (dd, J=4, 400 MHz, 6H). LC-MS: m/z 325.1 (M+H)+
    • Compound 194—N2-(5-chloropyridin-3-yl)-N4-isopropyl-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00606
  • 1H NMR (METHANOL-d4) δ 8.59-8.25 (m, 5H), 7.52-7.45 (m, 3H), 7.39-7.26 (m, 1H), 5.44-5.23 (m, 1H), 4.45-4.20 (m., 1H), 3.05 (s., 1H), 1.31 (dd, J=4, 400 MHz, 6H). LC-MS: m/z 340.9 (M+H)+
    • Compound 196—N2-(6-fluoropyridin-3-yl)-N4-isopropyl-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00607
  • 1H NMR (METHANOL-d4) δ 8.63-8.57 (m, 1H), 8.38-8.35 (m, 3H), 7.51-7.45 (m, 3H), 7.05-7.01 (m. 1H), 4.40-4.23 (m, 1H), 1.286-1.273 (d, J=5.2 Hz, 6H). LC-MS: m/z 325.2 (M+H)+.
    • Compound 197—4-(4-(isopropylamino)-6-phenyl-1,3,5-triazin-2-ylamino)picolinonitrile
  • Figure US20220348554A1-20221103-C00608
  • 1H NMR (METHANOL-d4) δ 8.56-8.32 (m, 4H), 8.03-8.02 (m, 1H), 7.67-7.57 (m. 3H), 4.42-4.33 (m, 1H), 1.36-1.28 (br, 6H). LC-MS: m/z 332.1 (M+H)+.
    • Compound 199—N2-(2-chloropyridin-4-yl)-N4-isopropyl-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00609
  • 1H NMR (METHANOL-d4) δ 8.43-8.37 (m, 2H), 8.23-8.10 (m, 2H), 7.67-7.66 (m, 1H), 7.55-7.45 (m. 3H), 4.27-4.24 (m, 1H), 1.327-1.311 (d, J=6.4 Hz, 6H). LC-MS: m/z 341.2 (M+H)+.
    • Compound 200—N2-(2-ethoxypyridin-4-yl)-N4-isopropyl-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00610
  • 1H NMR (METHANOL-d4) δ 8.41-8.36 (m, 2H), 7.91-7.88 (m, 1H), 7.52-7.45 (m. 4H), 7.30-7.29 (m, 1H), 4.30-4.25 (m, 1H), 1.42-1.38 (t, 3H), 1.308-1.292 (d, J=6.4 Hz, 6H). LC-MS: m/z 351.2 (M+H)+.
    • Compound 202—N2-isopropyl-6-phenyl-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00611
  • 1H NMR (METHANOL-d4) δ 10.45-10.27 (m, 1H), 8.68-8.28 (m, 4H), 7.99-7.51 (m, 5H), 4.17-4.16 (m., 1H), 3.25 (s, 6H), 1.24 (dd, J=4, 400 MHz, 6H). LC-MS: m/z 375.1 (M+H)+.
    • Compound 210—5-(4-(isopropylamino)-6-phenyl-1,3,5-triazin-2-ylamino)nicotinonitrile
  • Figure US20220348554A1-20221103-C00612
  • 1H NMR (METHANOL-d4) δ 8.75-9.25 (m, 2H), 8.34-8.48 (m, 3H), 7.76-7.51 (m, 3H), 4.0-4.58 (m, 1H), 1.30 (d, J=6.8 Hz, 6H). LC-MS: m/z 331.9 (M+H)+.
    • Compound 223—N2-(2-fluoropyridin-4-yl)-N4-isopropyl-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00613
  • 1H NMR (METHANOL-d4) δ 8.43-8.37 (m, 2H), 7.99-7.97 (m, 1H), 7.86-7.80 (m, 1H), 7.65-7.45 (m. 4H), 4.28-4.22 (m, 1H), 1.315-1.299 (d, J=6.4 Hz, 6H). LC-MS: m/z 325.1 (M+H)+.
    • Compound 224—N2-(2-(ethylamino)pyridin-4-yl)-N4-isopropyl-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00614
  • 1H NMR (METHANOL-d4) δ 8.53-8.49 (m, 1H), 8.42-8.36 (m, 2H), 7.74-7.72 (m, 2H), 7.53-7.46 (m, 3H), 7.03-6.99 (m. 1H), 4.42-4.24 (m, 1H), 3.36-3.31 (m, 2H), 1.34-1.16 (m, 9H). LC-MS: m/z 350.0 (M+H)+.
    • Compound 266—N2-isopropyl-6-phenyl-N4-(pyrimidin-5-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00615
  • 1H NMR (METHANOL-d4) δ 9.25-9.30 (m, 2H), 8.78-8.79 (m, 1H), 8.36-8.43 (m, 2H), 7.45-7.53 (m, 3H), 4.25-4.62 (m, 1H), 1.31 (d, J=6.4 Hz, 6H). LC-MS: m/z 308.2 (M+H)+.
    • Compound 277—N2-(3-(ethylsulfinyl)phenyl)-N4-isopropyl-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00616
  • 1H NMR (METHANOL-d4) δ 8.51-8.32 (m, 3H), 7.76-7.52 (m, 4H), 7.35-7.27 (m, 1H), 4.50-4.32 (m, 1H), 3.14-3.03 (m, 1H), 2.94-2.89 (m, 1H), 1.33 (d, J=6.0 Hz, 6H), 1.23 (t, J=7.2 Hz, 3H).
  • LC-MS: m/z 382.1 (M+H)+.
    • Compound 281—N2-isopropyl-N4-(6-methylpyridin-3-yl)-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00617
  • 1H NMR (METHANOL-d4) δ 8.99-8.83 (m, 1H), 8.40-8.35 (m, 2H), 8.32-8.13 (m, 1H), 7.55-7.45 (m, 3H), 7.30-7.28 (m, 1H), 4.46-4.22 (m, 1H), 2.52 (s, 3H), 1.30 (d, J=6.8 Hz, 6H). LC-MS: m/z 321.2 (M+H)+.
    • Compound 289—N2-(6-chloropyridin-3-yl)-N4-isopropyl-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00618
  • 1H NMR (METHANOL-d4) δ 8.79-8.86 (m, 1H), 8.25-8.40 (m, 3H), 7.37-7.53 (m, 4H), 4.40-4.61 (m, 1H), 1.30 (d, J=6.4 Hz, 6H). LC-MS: m/z 340.9 (M+H)+.
    • Compound 293—N2-(2-(dimethylamino)pyridin-4-yl)-N4-isopropyl-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00619
  • 1H NMR (METHANOL-d4) δ 8.44-8.38 (m, 2H), 7.86-7.79 (m, 2H), 7.54-7.45 (m, 3H), 7.02-7.00 (m, 1H), 4.30 (m., 1H), 3.25 (s, 6H), 1.30 (dd, J=8, 400 MHz, 6H). LC-MS: m/z 350.1 (M+H)+.
    • Compound 301—N2-isopropyl-N4-(2-(isopropylamino)pyridin-4-yl)-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00620
  • H NMR (DMSO-d4) δ 1.03-1.09 (m, 12H), 3.57-3.74 (m 1H), 3.99-4.18 (m, 1H), 7.00 (br, 1H), 7.34-8.35 (m, 9H), 10.7 (d, 1H). LC-MS: m/z 364 (M+H)+.
    • Compound 302—N2-isopropyl-N4-(2-(methylamino)pyridin-4-yl)-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00621
  • 1H NMR (METHANOL-d4) δ 8.42-8.35 (m, 2H), 7.79-7.54 (m, 5H), 7.12-7.10 (m, 1H), 4.35 (m., 1H), 3.03 (s, 3H), 1.30 (dd, J=16, 400 MHz, 6H). LC-MS: m/z 336.2 (M+H)+.
    • Compound 303—N2-isopropyl-N4-(6-(methylamino)pyridin-3-yl)-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00622
  • 1H NMR (METHANOL-d4) δ 8.50 (m, 1H), 8.25-8.24 (m, 2H), 8.07-8.05 (m, 1H), 7.75-7.63 (m, 3H), 7.14-7.11 (m, 1H), 4.35 (m., 1H), 3.07 (s, 3H), 1.35 (dd, J=8, 400 MHz, 6H). LC-MS: m/z 336.2 (M+H)+.
    • Compound 308—N2-isopropyl-N4-(1-methyl-1H-pyrazol-4-yl)-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00623
  • 1H NMR (METHANOL-d4) δ 8.49-8.20 (m, 2H), 8.21-8.15 (m, 1H), 7.70-7.50 (m, 4H), 4.49-4.25 (m, 1H), 3.91 (s, 3H), 1.33 (d, J=6.8 Hz, 6H). LC-MS: m/z 310.2 (M+H).
    • Compound 309—N2-isopropyl-N4-(isoxazol-4-yl)-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00624
  • 1H NMR (METHANOL-d4) δ 9.30-9.12 (m, 1H), 8.57 (s, 1H), 8.39-8.34 (m, 2H), 7.53-7.47 (m, 3H), 4.41-4.25 (m, 1H), 1.31 (d, J=5.2 Hz, 6H). LC-MS: m/z 297.2 (M+H).
    • Compound 310—N2-(2,6-dimethylpyridin-4-yl)-N4-isopropyl-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00625
  • 1H NMR (METHANOL-d4) δ 8.46-8.40 (m, 2H), 8.08-8.06 (m, 2H), 7.57-7.48 (m, 3H), 4.47-4.20 (m, 1H), 2.66 (s, 6H), 1.34 (d, J=6.4 Hz, 6H). LC-MS: m/z 335.3 (M+H)+.
    • Compound 311—N2-(6-(cyclopropylmethoxy)pyridin-3-yl)-N4-isopropyl-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00626
  • 1H NMR (METHANOL-d4) δ 8.56-8.34 (m, 3H), 8.09-8.07 (m, 1H), 7.53-7.45 (m, 3H), 6.84-6.81 (m, 1H), 4.41-4.25 (m, 1H), 4.10 (d, J=6.8 Hz, 1H), 1.30 (d, J=6.4 Hz, 1H), 1.21-1.20 (m, 1H), 0.65-0.61 (m, 2H), 0.39-0.36 (m, 2H). LC-MS: m/z 377.3 (M+H)+.
    • Compound 312—N2-(6-isopropoxypyridin-3-yl)-N4-isopropyl-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00627
  • 1H NMR (METHANOL-d4) δ 8.59-8.42 (m, 3H), 8.07-8.04 (m, 1H), 7.53-7.45 (m, 3H), 6.77-6.75 (m, 1H), 5.19-5.16 (m, 1H), 4.43-4.21 (m, 1H), 1.35 (d, J=6.0 Hz, 6H), 1.29 (d, J=6.4 Hz, 6H).
  • LC-MS: m/z 365.2 (M+H)+.
    • Compound 313—N2-isopropyl-6-phenyl-N4-(thiazol-5-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00628
  • 1H NMR (METHANOL-d4) δ 8.59-8.38 (m, 3H), 7.69-7.48 (m, 4H), 4.45-4.23 (m, 1H), 1.22 (d, J=6.8 Hz, 6H). LC-MS: m/z 313.1 (M+H)+.
    • Compound 314—N2-isopropyl-6-phenyl-N4-(3-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00629
  • 1H NMR (METHANOL-d4) δ 9.58 (s, 1H), 9.35 (s, 1H), 8.45-8.40 (m, 2H), 7.56-7.42 (m, 3H), 7.11 (s, 1H), 4.28-4.25 (m, 1H), 1.25 (d, J=6.4 Hz, 6H). LC-MS: m/z 375.2 (M+H)+.
    • Compound 315—N2-(2-cyclopropylpyridin-4-yl)-N4-isopropyl-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00630
  • 1H NMR (METHANOL-d4) δ 8.43-8.34 (m, 2H), 8.21-8.18 (m, 1H), 7.93-7.16 (m, 2H), 7.54-7.45 (m. 3H), 4.29-4.26 (m, 1H), 2.15-2.12 (m, 1H), 1.319-1.303 (d, J=6.4 Hz, 6H), 1.19-1.18 (m, 2H) 1.03-1.02 (m, 2H). LC-MS: m/z 347.3 (M+H)+.
    • Compound 316—N2-(6-cyclopropylpyridin-3-yl)-N4-isopropyl-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00631
  • 1H NMR (METHANOL-d4) δ 9.01-8.98 (m, 1H), 8.40-8.34 (m, 2H), 8.16-8.13 (m, 1H), 7.54-7.44 (m, 3H), 7.27-7.25 (m. 1H), 4.27-4.24 (m, 1H), 1.299-1.282 (d, J=6.8 Hz, 6H), 1.11-1.06 (m, 2H) 0.97-0.96 (m, 2H). LC-MS: m/z 347.3 (M+H)+.
    • Compound 329—N2-isopropyl-6-phenyl-N4-(5-(trifluoromethyl)pyridin-3-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00632
  • 1H NMR (METHANOL-d4) δ 8.99-9.03 (m, 2H), 8.36-8.47 (m, 3H), 7.45-7.52 (m, 3H), 4.18-4.57 (m, 1H), 1.30 (d, J=6.4 Hz, 6H). LC-MS: m/z 375.2 (M+H)+.
    • Compound 332—N2-isopropyl-N4-(1-methyl-1H-imidazol-4-yl)-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00633
  • 1H NMR (METHANOL-d4) δ 8.51-8.22 (m, 3H), 7.48-7.38 (m, 3H), 7.28 (s, 1H), 4.38-4.12 (m, 1H), 3.83 (s, 3H), 1.18 (d, J=6.4 Hz, 6H). LC-MS: m/z 309.9 (M+H).
    • Compound 129—N2-isopropyl-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00634
  • 1H NMR (METHANOL-d4) δ 14.92 (br. s., 1H), 112-11.13 (m, 1H), 8.68-8.63 (m, 2H), 8.41-8.36 (m, 4H), 8.24-8.10 (m, 1H), 7.63-7.53 (m, 3H), 4.34-4.17 (m., 1H), 1.17 (dd, J=4, 400 MHz, 6H).
  • LC-MS: m/z 307.2 (M+H)+.
    • Compound 343—N2-isopropyl-N4-(2-methylpyrimidin-5-yl)-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00635
  • 1H NMR (METHANOL-d4) 9.17-9.11 (m, 2H), 8.42-8.35 (m, 2H), 7.55-7.44 (m. 3H), 4.26-4.23 (m, 1H), 2.66 (s, 3H), 1.308-1.292 (d, J=6.4 Hz, 6H). LC-MS: m/z 322.2 (M+H)+.
    • Compound 376—N2-(3-(azetidin-1-ylsulfonyl)phenyl)-N4-isopropyl-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00636
  • 1H NMR (METHANOL-d4) 8.99-8.86 (m, 1H), 8.44-8.38 (m, 2H), 7.77-7.75 (m, 1H), 7.60-7.44 (m. 5H), 4.35-4.32 (m, 1H), 3.82-3.78 (m, 4H), 2.10-2.02 (m, 2H), 1.300-1.284 (d, J=6.4 Hz, 6H). LC-MS: m/z 425.2 (M+H)+.
  • Example 2. Preparation of Compounds of Formula I Wherein Ring A is Optionally Substituted Pyridin-2-yl or Pyrimnidin-2-yl. The compounds of this Example are prepared by general Scheme 2, set forth below.
  • Figure US20220348554A1-20221103-C00637
  • Example 2, step 1: Preparation of 1-phenyl-2-cyanoguanidine (5). To a solution of NaN(CN)2 (50 g, 0.5618 mol) in water (430 mL) at 80° C. was added a solution of aniline (26.2 g, 0.28 mol) in water and conc. HCl (132 mL/23.5 mL). The mixture was heated to 90° C. for 16 hours. The mixture was cooled to room temperature and quenched by adding saturated sodium bicarbonate (317 mL). The mixture was filtered and the filter cake was dried via vacuum to afford 1-phenyl-2-cyanoguanidine as a white solid.
  • Figure US20220348554A1-20221103-C00638
  • 1H NMR (DMSO-d4) δ 6.95 (s, 2H), 7.02-7.06 (m, 1H), 7.26-7.32 (m, 4H), 9.00 (s, 1H).
  • The procedure set forth in Example 2, step 1 was used to produce the following intermediates (5) using the appropriate starting material 4.
    1-(3-cyanophenyl-2-cyanoguanidine as a brown solid.
  • Figure US20220348554A1-20221103-C00639
  • LC-MS: m/z 185.9 (M+H)+.
  • 1-methanesulfonyl-benzenyl-2-cyanoguanidine as a pale gray solid.
  • Figure US20220348554A1-20221103-C00640
  • LC-MS: m/z 238.8 (M+H)+.
  • 1-3-fluoro-pyridin-2-cyanoguanidine as a pale solid.
  • Figure US20220348554A1-20221103-C00641
  • 1H NMR (DMSO-d4) δ 7.42 (s, 2H), 7.85-8.01 (m, 1H), 8.24 (s, 1H), 8.38 (s, 1H).
  • 1-3-chloro-pyridin-2-cyanoguanidine as a pale gray solid.
  • Figure US20220348554A1-20221103-C00642
  • 1H NMR (DMSO-d4) δ 8.06 (s, 1H), 8.29 (s, 1H), 8.47 (s, 1H).
  • 1-2-fluoro-pyridin-2-cyanoguanidine as a brown solid.
  • Figure US20220348554A1-20221103-C00643
  • 1H NMR (DMSO-d4) δ 7.10-7.20 (m, 1H), 7.95-7.99 (m, 1H), 8.15 (s, 1H).
  • 1-3,5-difluoro-phenyl-2-cyano-guanidine as white solid, which was directly used in the next step without further purification.
  • Figure US20220348554A1-20221103-C00644
  • LC-MS: m/z 196.8 (M+H)+.
  • Example 2, step 2: Preparation of 1-phenyl-2-isopropylamine-diguanidine(7). To a mixture of 1-phenyl-2-cyanoguanidine (5.0 g, 0.031 mol) in ethanol/water (46 mL/18.4 mL) was added CuSO4.5H2O (3.91 g, 0.01563 mol), followed by isopropyl amine (5.53 g, 0.03975 mol). The mixture was heated to reflux for 16 hours. To the mixture was added water (137 mL) and aq.HCl (15.5 mL in 93 mL of water) at 25-30° C. The resultant mixture was stirred at r.t. for 30 min. Then Na2S (12.4 g in 62 mL of water) was added and stirred for another 30 min. The insoluble CuS was filtered off. The filtrate was cooled to 10° C. and added aqueous NaOH (7 g NaOH in 50 mL water) dropwise. The mixture was extracted with dichloromethane (100 mL×3). The organic layer was combined, dried over Na2SO4 and concentrated to give 1-phenyl-2-isopropylamine-diguanidine as a brown solid.
  • Figure US20220348554A1-20221103-C00645
  • 1H NMR (DMSO-d4) δ 1.25 (d, J=4.8 Hz, 6H), 4.91-4.97 (m, 1H), 7.17-7.39 (m, 5H).
  • The procedure set forth in Example 2, step 2 was used to produce the following intermediates (7) using the appropriate intermediate 5 and the appropriate amine 6.
    1-3-cyanophenyl-2-isopropylamine-diguanidine as a brown solid.
  • Figure US20220348554A1-20221103-C00646
  • LC-MS: m/z 245 (M+H)+.
  • 1-methanesulfonyl-2-isopropyl-diguanidine as a pale solid.
  • Figure US20220348554A1-20221103-C00647
  • LC-MS: m/z 298 (M+H)+.
  • 1-3-fluoro-pyridin-2-cyclobutyl-diguanidine as a red solid.
  • Figure US20220348554A1-20221103-C00648
  • LC-MS: m/z 251 (M+H)+.
  • 1-3-chloro-pyridin-2-cyclobutyl-diguanidine as a red solid.
  • Figure US20220348554A1-20221103-C00649
  • LC-MS: m/z 267 (M+H)+.
  • 1-2-fluoro-pyridin-2-cyclobutyl-diguanidine as a red solid.
  • Figure US20220348554A1-20221103-C00650
  • LC-MS: m/z 250.8 (M+H)+.
  • 1-3,5-difluoropneyl-2-isopropyl-diguanidine as a brown solid, which was used in the next step without further purification.
  • Figure US20220348554A1-20221103-C00651
  • LC-MS: m/z 256 (M+H)+.
  • Example 2, step 3: Preparation of Compound 214—N-Isopropyl-N′-phenyl-6-pyridin-2-yl-[1,3,5]triazine-2,4-diamine. To a mixture of N-isopropyl-N-phenyl-6-pyridin-2-yl-[1,3,5]triazine-2,4-diamine (0.5 g, 2.28 mmol) and pyridine-2-carboxylic acid methyl ester (0.312 g, 2.28 mmol) in methanol (7 mL) was added NaOMe (0.25 g, 4.56 mmol). The mixture was stirred at r.t. for 16 hours. The mixture was poured into water and extracted with ethyl acetate (50 mL), dried over Na2SO4, concentrated and purified by a standard method to afford N-isopropyl-N-phenyl-6-pyridin-2-yl-[1,3,5]triazine-2,4-diamine.
  • Figure US20220348554A1-20221103-C00652
  • 1H NMR (METHANOL-d4) δ 8.72-8.73 (d, 1H), 8.47-8.49 (d, 1H), 7.97-8.01 (t, 1H), 7.77-7.79 (d, 2H), 7.56-7.59 (t, 1H), 7.31-7.35 (t, 2H), 7.04-7.07 (t, 1H), 4.40-4.45 (m, 1H), 1.30-1.31 (d, 6H).
  • LC-MS: m/z 307.0 (M+H)+.
  • Additional compounds of Formula I set forth below were similarly produced following Scheme 2 utilizing the appropriate intermediates and reagents.
    • Compound 228—6-(4-chloropyridin-2-yl)-N2-isopropyl-N4-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00653
  • 1H NMR (METHANOL-d4) δ 8.63-8.64 (d, 1H), 8.48 (s, 1H), 7.73-7.75 (d, 2H), 7.63 (s, 1H), 7.29-7.31 (t, 2H), 7.05-7.10 (t, 1H), 4.21-4.24 (m, 1H), 1.27-1.29 (d, 6H). LC-MS: m/z 341.0 (M+H)+.
    • Compound 229—6-(6-chloropyridin-2-yl)-N2-isopropyl-N4-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00654
  • 1H NMR (METHANOL-d4) δ 8.37-8.39 (d, 1H), 7.91-7.95 (t, 1H), 7.72-7.74 (d, 2H), 7.56-7.58 (d, 1H), 7.29-7.32 (t, 2H), 7.02-7.04 (t, 1H), 4.23-4.29 (m, 1H), 1.27-1.28 (d, 6H). LC-MS: m/z 341.0 (M+H)+.
    • Compound 230—6-(3-chloropyridin-2-yl)-N2-isopropyl-N4-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00655
  • 1H NMR (METHANOL-d4) δ 8.54-8.55 (d, 1H), 8.01-8.03 (d, 1H), 7.70-7.72 (d, 1H), 7.50-7.53 (m, 1H), 7.27-7.31 (t, 2H), 7.04 (s, 1H), 4.32-4.40 (m, 1H), 1.21-1.30 (m, 6H). LC-MS: m/z 340.9 (M+H)+.
    • Compound 231—6-(4-(isopropylamino)-6-(phenylamino)-1,3,5-triazin-2-yl)pyridin-2-ol
  • Figure US20220348554A1-20221103-C00656
  • 1H NMR (METHANOL-d4) δ 7.70-7.75 (m, 3H), 7.43-7.47 (d, 1H), 7.28-7.33 (t, 2H), 7.02-7.07 (t, 1H), 6.68-6.72 (m, 1H), 4.28-4.39 (m, 1H), 1.33-1.35 (d, 6H). LC-MS: m/z 323.0 (M+H)+.
    • Compound 246—3-(4-(isopropylamino)-6-(pyridin-2-yl)-1,3,5-triazin-2-ylamino)benzonitrile
  • Figure US20220348554A1-20221103-C00657
  • 1H NMR (METHANOL-d4) δ 8.71-8.72 (d, 1H), 8.41-8.51 (m, 2H), 7.90-8.00 (m, 2H), 7.44-7.58 (m, 2H), 7.33-7.37 (t, 1H), 4.22-4.27 (m, 1H), 1.27-1.33 (m, 6H). LC-MS: m/z 332.0 (M+H)+.
    • Compound 247—N2-isopropyl-N4-phenyl-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00658
  • 1H NMR (DMSO-d6) δ 8.64-8.66 (m, 1H), 8.19 (m, 1H), 7.94 (m, 1H), 7.77 (m, 2H), 7.27-7.34 (m, 2H), 7.05 (m, 1H), 4.24-4.49 (m, 1H), 1.30 (d, 6H). LC-MS: m/z 375.0 (M+H)+.
    • Compound 270—N2-isopropyl-N4-phenyl-6-(4-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00659
  • 1H NMR (METHANOL-d4) δ 8.99 (d, 1H), 8.76 (m, 1H), 7.89 (m, 1H), 7.79 (m, 2H), 7.29-7.39 (m, 2H), 7.05 (m, 1H), 4.21-4.52 (m, 1H), 1.29-1.33 (m, 6H). LC-MS: m/z 375 (M+H)+.
    • Compound 290—6-(6-aminopyridin-2-yl)-N2-isopropyl-N4-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00660
  • 1H NMR (METHANOL-d4) δ 7.92-8.03 (m, 1H), 7.72-7.83 (m, 1H), 7.69 (m, 2H), 7.29-7.33 (m, 2H), 7.14 (m., 1H), 7.06 (m, 1H), 4.15-4.51 (m, 1H), 1.25 (d, 6H). LC-MS: m/z 322.1 (M+H)+.
    • Compound 322—N2-cyclobutyl-N4-(5-fluoropyridin-3-yl)-6-(pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00661
  • 1H NMR (DMSO-d6) δ 10.3 (s, 1H), 8.69-8.85 (m, 2H), 8.34-8.59 (m, 2H), 8.17-8.29 (m, 2H), 7.99 (m, 1H), 7.55 (m, 1H), 4.35-4.70 (m, 1H), 2.31 (m, 2H), 2.05 (m, 2H), 1.72 (m, 2H). LC-MS: m/z 337.9 (M+H)+.
    • Compound 323—6-(6-chloropyridin-2-yl)-N2-cyclobutyl-N4-(5-fluoropyridin-3-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00662
  • 1H NMR (DMSO-d6) δ 10.4 (s, 1H), 8.80 (s, 1H), 8.52-8.62 (m, 1H), 8.27-8.42 (m, 2H), 8.22 (m, 1H), 8.09 (m, 1H), 7.70 (m, 1H), 4.35-4.69 (m, 1H), 2.31 (m, 2H), 2.09 (m, 2H), 1.72 (m, 2H).
  • LC-MS: m/z 372.2 (M+H)+.
    • Compound 325—6-(6-chloropyridin-2-yl)-N2-cyclobutyl-N4-(6-fluoropyridin-3-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00663
  • 1H NMR (DMSO-d6) δ 10.22 (s, 1H), 8.59-8.69 (d, 1H), 8.12-8.51 (m, 3H), 8.07 (m, 1H), 7.69 (m., 1H), 7.11-7.24 (m, 1H), 4.32-4.66 (m, 1H), 2.33 (m, 2H), 2.06 (m, 2H), 1.72 (m, 2H).
  • LC-MS: m/z 371.9 (M+H)+.
    • Compound 330—N2-(5-chloropyridin-3-yl)-N4-cyclobutyl-6-(pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00664
  • 1H NMR (DMSO-d6) δ 10.33 (s, 1H), 8.83-9.98 (m, 1H), 8.76 (m, 1H), 8.55-8.69 (m, 1H), 8.31-8.52 (m., 1H), 8.18-8.29 (m, 2H), 8.01 (m, 1H), 7.57 (m, 1H), 4.35-4.69 (m, 1H), 2.33 (m, 2H), 2.06 (m, 2H), 1.72 (m, 2H). LC-MS: m/z 354.2 (M+H)+.
    • Compound 331—N2-isopropyl-6-(6-(methylamino)pyridin-2-yl)-N4-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00665
  • 1H NMR (METHANOL-d4) δ 7.76 (m, 2H), 7.60 (m, 2H), 7.31 (m, 2H), 7.04 (m, 1H), 6.64 (m, 1H), 4.19-4.48 (m, 1H), 2.96 (s, 3H), 1.27 (m, 6H). LC-MS: m/z 336.2 (M+H)+.
    • Compound 344—6-(6-chloropyridin-2-yl)-N2-(6-fluoropyridin-3-yl)-N4-isopropyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00666
  • 1H NMR (DMSO-d6) δ 10.21-10.81 (d, 1H), 8.61-8.79 (d, 1H), 8.04-8.51 (m, 4H), 7.69-7.81 (m, 1H), 7.12-7.24 (m, 1H), 4.05-4.32 (m, 1H), 1.22 (d, 6H). LC-MS: m/z 359.9 (M+H)+. 381.9 (M+Na)+.
    • Compound 326—6-(6-chloropyridin-2-yl)-N2-isopropyl-N4-(3-(methylsulfonyl)phenyl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00667
  • 1H NMR (METHANOL-d4) δ 8.99 (s, 1H), 8.46-8.47 (d, 1H), 7.96-7.99 (m, 1H), 7.74-7.77 (m, 1H), 7.55-7.62 (m, 3H), 4.32-4.50 (m, 1H), 3.18 (s, 3H), 1.28-1.32 (d, 6H). LC-MS: m/z 418.9 (M+H)+.
    • Compound 340—6-(6-chloropyridin-2-yl)-N2-(3,5-difluorophenyl)-N4-isopropyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00668
  • 1H NMR (METHANOL-d4) δ 8.41-8.45 (t, 1H), 8.00-8.04 (t, 1H), 7.63-7.69 (m, 1H), 6.64-6.69 (t, 1H), 4.22-4.27 (m, 1H), 1.29-1.35 (d, 6H). LC-MS: m/z 377.2 (M+H)+.
    • Compound 358—N2-isopropyl-N4-(3-(methylsulfonyl)phenyl)-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00669
  • 1H NMR (METHANOL-d4) δ 8.99 (s, 1H), 8.60-8.72 (m, 1H), 8.19 (t, 1H), 7.81 (d, 1H), 7.77-7.78 (m, 1H), 7.55-7.62 (m, 2H), 4.35-4.47 (m, 1H), 3.11-3.18 (m, 3H), 1.33 (d, 6H). LC-MS: m/z 453.2 (M+H)+.
    • Compound 359—N2-isopropyl-6-(6-methylpyridin-2-yl)-N4-(3-(methylsulfonyl)phenyl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00670
  • 1H NMR (METHANOL-d4) δ 8.60-9.03 (m, 1H), 8.31 (m, 1H), 7.70-8.05 (m, 2H), 7.81 (d, 1H), 7.57-7.63 (m, 2H), 7.45-7.47 (m, 1H), 4.39 (m, 1H), 3.12-3.19 (m, 3H), 2.67 (s, 3H), 1.34 (d, 6H).
  • LC-MS: m/z 399.2 (M+H)+.
    • Compound 360—6-(6-ethynylpyridin-2-yl)-N2-isopropyl-N4-(3-(methylsulfonyl)phenyl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00671
  • 1H NMR (METHANOL-d4) δ 8.89 (s, 1H), 8.56 (d, 1H), 8.15-8.19 (m, 1H), 7.71-7.95 (m, 4H), 4.45 (br., 1H), 4.03 (s, 1H), 3.18 (s, 3H), 1.39 (d, 6H). LC-MS: m/z 409.2 (M+H)+.
    • Compound 361—N2-isopropyl-6-(6-methoxypyridin-2-yl)-N4-(3-(methylsulfonyl)phenyl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00672
  • 1H NMR (METHANOL-d4) δ 8.55-8.99 (m, 1H), 7.82-8.13 (m, 3H), 7.57-7.64 (m, 2H), 6.98 (d, 1H), 4.37-4.41 (m., 1H), 4.07 (s, 3H), 3.16 (s, 3H), 1.34 (d, 6H). LC-MS: m/z 414.9 (M+H)+, 436.9 (M+Na)+.
    • Compound 363—N2-(6-fluoropyridin-3-yl)-N4-neopentyl-6-(pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00673
  • 1H NMR (METHANOL-d4) δ 8.82 (d, 1H), 8.47-8.54 (m, 1H), 8.40 (d, 1H), 8.14-8.17 (m, 1H), 7.83-7.88 (m., 1H), 7.45-7.52 (m, 1H), 7.10-7.20 (m, 1H), 6.93-6.99 (m, 1H), 5.40-5.77 (m, 1H), 3.31-3.49 (m, 2H), 1.00 (s, 9H). LC-MS: m/z 354.2 (M+H)+.
    • Compound 364—N2-isopropyl-6-(6-(methylamino)pyridin-2-yl)-N4-(3-(methylsulfonyl)phenyl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00674
  • 1H NMR (CDCl3) δ 10.00-10.31 (br., 1H), 8.61-8.82 (m, 1H), 7.53-8.82 (m, 5H), 6.95-7.02 (m, 1H), 4.34 (m., 1H), 3.07 (d, 6H), 1.31-1.37 (m, 6H). LC-MS: m/z 414.2 (M+H)+.
    • Compound 365—N2-isopropyl-N4-(3-(methylsulfonyl)phenyl)-6-(6-(prop-1-ynyl)pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00675
  • 1H NMR (Methanol-d4) δ 8.89 (s, 1H), 8.49 (d, 1H), 8.11 (t, 1H), 7.80-7.86 (m, 3H), 7.71-7.75 (m., 1H), 4.45 (m, 1H), 3.19 (s, 3H), 2.17 (d, 3H), 1.40 (d, 6H). LC-MS: m/z 423.0 (M+H)+.
    • Compound 366—6-(6-(difluoromethyl)pyridin-2-yl)-N2-isopropyl-N4-(3-(methylsulfonyl)phenyl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00676
  • 1H NMR (Methanol-d4) δ 8.88 (s, 1H), 8.78 (m, 1H), 8.35 (s, 1H), 8.10 (m, 1H), 7.82 (t, 2H), 7.71 (t, 1H), 6.70-7.10 (m., 1H), 4.30-4.50 (m, 1H), 3.17 (s, 3H), 1.39 (d, 6H). LC-MS: m/z 434.9 (M+H)+.
    • Compound 395—6-(6-(1,1-difluoroethyl)pyridin-2-yl)-N2-isopropyl-N4-(3-(methylsulfonyl)phenyl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00677
  • 1H NMR (Methanol-d4) δ 8.98 (s, 1H), 8.57 (d, 1H), 8.09 (t, 1H), 7.85 (d, 1H), 7.80 (m, 1H), 7.55-7.62 (m, 1H), 4.36-4.39 (m, 1H), 3.14-3.17 (m, 3H), 2.11 (t, 3H), 1.32 (d, 6H). LC-MS: m/z 449.3 (M+H)+. 471.3 (M+Na)+.
    • Compound 397—6-(6-cyclopropylpyridin-2-yl)-N2-isopropyl-N4-(3-(methylsulfonyl)phenyl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00678
  • 1H NMR (METHANOL-d4) δ 8.97 (s, 1H), 8.21-8.2 (d, 1H), 7.76-7.80 (t, 2H), 7.55-7.61 (m, 2H), 7.25-7.27 (d, 1H), 4.35-4.38 (m, 1H), 3.13 (s, 3H), 2.23-2.28 (m, 1H), 1.31-1.32 (d, 6H), 1.02-1.12 (m, 4H). LC-MS: m/z 425.3 (M+H)+.
    • Compound 398—6-(6-aminopyridin-2-yl)-N2-(3,5-difluorophenyl)-N4-isopropyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00679
  • 1H NMR (METHANOL-d4) δ 7.66-7.70 (t, 1H), 7.56-7.60 (t, 1H), 7.49-7.51 (d, 2H), 6.70-6.73 (d, 1H), 6.53-6.57 (t, 1H), 4.21-4.24 (m, 1H), 1.18-1.31 (m, 6H). LC-MS: m/z 358.3 (M+H)+.
  • Example 3. Preparation of Additional Compounds of Formula I Wherein Ring A is Substituted Pyridin-2-yl. The compounds of this Example are prepared by general Scheme 3, set forth below.
  • Figure US20220348554A1-20221103-C00680
  • Example 3, step 1: Preparation of 6-chloro-pyridine-2-carboxylic acid methyl ester (10). To a solution of 6-chloro-pyridine-2-carboxylic acid (48 g, 0.31 mol) in methanol (770 ml) was added concentrated HCl (6 ml). The mixture was stirred at 80° C. for 48 hours then concentrated to remove the volatile. The crude product was diluted with ethyl acetated and washed with Sat. NaHCO3 solution. The organic layer was dried with anhydrous Na2SO4 and concentrated to give 6-chloro-pyridine-2-carboxylic acid methyl ester as a white solid.
  • Figure US20220348554A1-20221103-C00681
  • LC-MS: m/z 172.0 (M+H)+.
  • The procedure set forth in Example 3, step 1 was used to produce the following intermediates (10) using the appropriate starting material 9.
    • 6-trifluoromethyl-pyridine-2-carboxylic acid methyl ester
  • Figure US20220348554A1-20221103-C00682
  • LC-MS: m/z 206 (M+H)+.
  • Example 3, step 2: Preparation of 6-(6-chloropyridin-2-yl)-1,3,5-triazine-2,4-dione. To a solution of Na (32 g, 0.16 mol) in ethanol (500 mL) was added methyl 6-chloropicolinate (32 g, 0.16 mol) and biuret (5.3 g, 0.052 mol). The mixture was heated to reflux for 1 hour. Then concentrated to give residue which was poured to water and added Sat.NaHCO3 solution to adjust pH to 7, the precipitated solid was collected by filtration and dried to give 6-(6-chloropyridin-2-yl)-1,3,5-triazine-2,4-dione as a white solid.
  • Figure US20220348554A1-20221103-C00683
  • LC-MS: m/z 225 (M+H)+.
  • The procedure set forth in Example 3, step 2 was used to produce the following intermediates (11) starting with appropriate intermediate 10.
    6-(6-trifluoromethyl-pyridin-2-yl)-1H-1,3,5-triazine-2,4-dione as a pale white solid.
  • Figure US20220348554A1-20221103-C00684
  • LC-MS: m/z 259 (M+H)+.
    • 6-pyridin-2-yl-1H-1,3,5-triazine-2,4-dione
  • Figure US20220348554A1-20221103-C00685
  • 1H NMR (DMSO-d4): δ 11.9-12.5 (s, 1H), 11.3-11.6 (s, 1H), 8.7-8.9 (m, 1H), 8.2-8.4 (m, 1H), 8.0-8.2 (m, 1H), 7.6-7.8 (m, 1H).
    • Example 3, step 3: Preparation of 2,4-dichloro-6-(6-chloropyridin-2-yl)-1,3,5-triazine
  • To a solution of 6-(pyridin-2-yl)-1,3,5-triazine-2,4(1H,3H)-dione (3.0 g, 013 mol) in POCl3 (48 mL) was added PCl5 (23 g, 0.1 mol). The mixture was stirred at 100° C. for 2 hours then concentrated to remove the volatile. The residue was diluted with ethyl acetated and washed with Sat.NaHCO3 solution. The organic layer was dried over anhydrous Na2SO4 and concentrated to give 2,4-dichloro-6-(6-chloropyridin-2-yl)-1,3,5-triazine as a brown solid.
  • Figure US20220348554A1-20221103-C00686
  • LC-MS: m/z 260.9 (M+H)+.
  • The procedure set forth in Example 3, step 3 together with the appropriate starting intermediate 11 was used to produce the following intermediates (12).
    2, 4-dichloro-6-(6-trifluoromethyl-pyridin-2-yl)-1,3,5-triazine as light yellow solid.
  • Figure US20220348554A1-20221103-C00687
  • LC-MS: m/z 294.9 (M+H)+.
  • 2,4-Dichloro-6-pyridin-2-yl-[1,3,5]triazine (1.0 g, 80%) as brown solid.
  • Figure US20220348554A1-20221103-C00688
  • LC-MS: m/z 227.0 (M+H)+.
  • Example 3, step 4: Preparation of 4-chloro-6-(6-chloropyridin-2-yl)-N-isopropyl-1, 3, 5-triazin-2-amine. To a solution of 2,4-dichloro-6-(pyridin-2-yl)-1,3,5-triazine (2.0 g, 0.0077 mol) in anhydrous THF (20 mL) was added isopropyl amine (0.45 g, 0.0077 mol). The mixture was stirred at room temperature for 1 hour. The mixture was quenched by water and extracted with ethyl acetate. The organic layer was dried over anhydrous Na2SO4 and concentrated to give 4-chloro-6-(6-chloropyridin-2-yl)-N-isopropyl-1,3,5-triazin-2-amine which was used directly in the next step.
  • Figure US20220348554A1-20221103-C00689
  • LC-MS: m/z 221.1 (M+H)+.
  • The procedure set forth in Step 4 using the appropriate intermediate 12 and amine 6 was used to produce the following intermediates (13).
    • 4-Chloro-6-(6-trifluoromethyl-pyridin-2-yl)-1, 3, 5 triazin-2-y]-isopropyl-amine
  • Figure US20220348554A1-20221103-C00690
  • LC-MS: m/z 318.1 (M+H)+.
    • (4-Chloro-6-pyridin-2-yl-[1,3,5]triazin-2-yl)-isopropyl-amine
  • Figure US20220348554A1-20221103-C00691
  • LC-MS: m/z 249.9 (M+H)+.
  • 4-chloro-6-(6-chloropyridin-2-yl)-N-(oxetan-3-yl)-1,3,5-triazin-2-amine, which was used directly in the next step.
  • Figure US20220348554A1-20221103-C00692
  • LC-MS: m/z 298.2 (M+H)+.
  • 4-Chloro-6-(6-trifluoromethyl-pyridin-2-yl)-1,3,5 triazin-2-y]-oxetan-3-yl-amine, which was used directly in the next step.
  • Figure US20220348554A1-20221103-C00693
  • LC-MS: m/z 332.1 (M+H)+.
  • 4-chloro-N-((tetrahydrofuran-2-yl)-methyl)-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazin-2-amine which was used directly in the next step.
  • Figure US20220348554A1-20221103-C00694
  • LC-MS: 360.1 (M+H)+.
  • [4-Chloro-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazin-2-yl]-(3-oxa-bicyclo[3.1.0]hex-6-yl)-amine, which was used directly in the next step.
  • Figure US20220348554A1-20221103-C00695
  • LC-MS: m/z 358.1 (M+H)+.
    • 1-[4-Chloro-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazin-2-ylamino]-2-methyl-propan-2-ol
  • Figure US20220348554A1-20221103-C00696
  • LC-MS: 348.0 (M+H)+.
  • Example 3, step 5: Preparation of 6-(6-Chloro-pyridin-2-yl)-N-oxetan-3-yl-N′-(2-trifluoromethyl-pyridin-4-yl)-[1,3,5]triazine-2,4-diamine-Compound 356. To a solution of 4-chloro-6-(6-chloropyridin-2-yl)-N-(oxetan-3-yl)-1,3,5-triazin-2-amine (0.23 g, 0.78 mmol) in anhydrous dioxane (3 mL) was added 2-trifluoromethyl-pyridin-4-ylamine (0.13 g, 0.78 mmol), t-BuONa (0.15 g, 1.56 mmol) and Pd(dppf)C12 (0.057 g, 0.078 mmol). The mixture was stirred at 80° C. under N2 for 1 hour. The mixture was quenched by water and extracted with ethyl acetate. The organic layer was dried with anhydrous Na2SO4, concentrated and purified by a standard method to give 6-(6-chloro-pyridin-2-yl)-N-oxetan-3-yl-N′-(2-trifluoromethyl-pyridin-4-yl)-[1,3,5]triazine-2,4-diamine.
  • Figure US20220348554A1-20221103-C00697
  • 1H NMR (METHANOL-d4): δ 8.5 (m, 2H), 8.4 (m, 1H), 8.3-8.1 (m, 0.5H), 7.96 (m, 1H), 7.85 (m, 0.6H), 7.6 (m, 1H), 5.1-5.5 (m, 1H), 5.0 (m, 2H), 4.7 (m, 2H). LC-MS: m/z 424.2 (M+H)+.
  • Additional compounds of Formula I set forth below were similarly produced following Scheme 3 utilizing the appropriate intermediates and reagents.
    • Compound 334—N2-isopropyl-6-phenyl-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00698
  • 1H NMR (METHANOL-d4): δ 8.65-8.75 (m, 2H), 8.5 (m, 2H), 8.15-8.3 (m, 0.5H), 8.0 (m, 1H), 7.82 (m, 0.6H), 4.2-4.6 (m, 1H), 1.3 (d, J=6.4 Hz, 6H). LC-MS: m/z 375.0 (M+H)+.
    • Compound 335—N2-isopropyl-6-(6-(trifluoromethyl)pyridin-2-yl)-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00699
  • 1H NMR (METHANOL-d4): δ 8.6 (m, 2H), 8.5 (m, 1H), 8.1-8.2 (m, 1H), 7.78 (m, 0.7H), 4.24-4.27 (m, 1H), 1.3 (d, J=6.8 Hz, 6H). LC-MS: m/z 444.3 (M+H)+.
    • Compound 336—N2-(oxetan-3-yl)-6-(pyridin-2-yl)-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00700
  • 1H NMR (METHANOL-d4): δ 8.7 (m, 1H), 8.46-8.52 (m, 3H), 7.89-8.23 (m, 2H), 7.6 (m, 1H), 5.15-5.55 (m, 1H), 5.0 (m, 2H), 4.7 (m, 2H). LC-MS: m/z 390.2 (M+H)+.
    • Compound 337—N2-(isoxazol-4-yl)-N4-(oxetan-3-yl)-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00701
  • 1H NMR (METHANOL-d4): δ 9.35-9.05 (m, 1H), 8.6-8.7 (m, 2H), 8.2 (m, 1H), 8.0 (m, 1H), 5.2-5.4 (m, 1H), 5.0 (m, 2H), 4.7-4.8 (d, J=6.4 Hz, 6H). LC-MS: m/z 343.2 (M+H)+.
    • Compound 345—N2-cyclobutyl-N4-(6-fluoropyridin-3-yl)-6-(pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00702
  • 1H NMR (DMSO-d6) δ 10.11 (br.s., 1H), 8.75-8.69 (m, 2H), 8.38-8.32 (m, 2H), 8.26-8.06 (m, 1H), 7.98-7.94 (m, 1H), 7.56-7.52 (m, 1H), 7.19-7.11 (m, 1H), 4.65-4.39 (m, 1H), 2.31-2.27 (m, 2H), 2.09-2.02 (m, 2H), 1.70-1.67 (m, 2H). LC-MS: m/z 338.2 (M+H)+.
    • Compound 363—N2-(6-fluoropyridin-3-yl)-N4-neopentyl-6-(pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00703
  • 1H NMR (CDCl3) δ 8.82 (s., 1H), 8.53-8.41 (m, 1H), 8.41-8.39 (m, 1H), 8.17-8.09 (m, 1H), 7.88-7.83 (m, 1H), 7.49-7.42 (m, 1H), 7.25-7.15 (m, 1H), 6.99-6.92 (m, 1H), 5.76-4.90 (m, 1H), 3.48-3.31 (m, 2H), 1.01 (s, 9H). LC-MS: m/z 354.2 (M+H)+.
    • Compound 353—6-(6-chloropyridin-2-yl)-N2-isopropyl-N4-(pyrimidin-5-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00704
  • 1H NMR (METHANOL-d4): δ 9.37 (m, 1H), 8.8 (m, 1H), 8.4 (m, 1H), 7.97 (m, 1H), 7.6 (m, 1H), 4.2-4.5 (m, 2H), 1.3 (m, 2H). LC-MS: m/z 390.2 (M+H)+.
    • Compound 354—6-(6-chloropyridin-2-yl)-N2-(2-chloropyridin-4-yl)-N4-isopropyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00705
  • 1H NMR (METHANOL-d4): δ 8.41-8.44 (m, 1H), 8.17-8.22 (m, 2H), 7.96-8.0 (m, 1H), 7.62-7.66 (m, 2H), 4.2-4.6 (m, 1H), 1.35 (d, J=6.8 Hz, 6H). LC-MS: m/z 376.2 (M+H)+.
    • Compound 355—4-(4-(6-chloropyridin-2-yl)-6-(isopropylamino)-1,3,5-triazin-2-ylamino)picolinonitrile
  • Figure US20220348554A1-20221103-C00706
  • 1H NMR (METHANOL-d4): δ 8.55-8.7 (m, 3H), 8.0 (m, 2H), 7.65 (m, 1H), 4.6-4.25 (m, 1H), 1.35 (d, J=6.4 Hz, 6H). LC-MS: m/z 367.2 (M+H)+.
    • Compound 357—N2-(oxetan-3-yl)-N4-(thiazol-5-yl)-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00707
  • 1H NMR (METHANOL-d4): δ 9.19-8.79 (m, 2H), 8.50-8.40 (m, 1H), 8.25-8.19 (m, 1H), 7.93-7.81 (m, 1H), 5.21-5.06 (m, 1H), 5.02-4.90 (m, 1H), 4.44-4.38 (m, 1H), 3.83-3.72 (m, 2H).
  • LC-MS: m/z 396.1 (M+H)+.
    • Compound 367—1-(4-(6-chloropyridin-2-yl)-6-(5-(trifluoromethyl)pyridin-3-ylamino)-1,3,5-triazin-2-ylamino)-2-methylpropan-2-ol
  • Figure US20220348554A1-20221103-C00708
  • 1H NMR (METHANOL-d4) δ 8.98 (s, 1H), 8.94 (s, 1H), 8.49 (s, 1H), 8.41-8.39 (m, 1H), 7.98-7.94 (s, 1H), 7.62-7.60 (m., 1H), 3.53 (s, 2H), 1.26 (s., 6H). LC-MS: m/z 440.2 (M+H) Compound 368—1-(4-(6-chloropyridin-2-yl)-6-(2-fluoropyridin-4-ylamino)-1,3,5-triazin-2-ylamino)-2-methylpropan-2-ol
  • Figure US20220348554A1-20221103-C00709
  • 1H NMR (METHANOL-d4) δ 8.37-8.33 (m, 1H), 7.94-7.90 (m, 2H), 7.68 (s, 1H), 7.54-7.42 (m, 2H), 3.46 (s, 2H), 1.19 (s., 6H). LC-MS: m/z 390.2 (M+H)
    • Compound 377—N2-(2-fluoropyridin-4-yl)-N4-(oxetan-3-yl)-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00710
  • 1H NMR (METHANOL-d4): δ 8.67 (m, 1H), 8.2 (m, 1H), 7.8-8.05 (m, 3H), 7.5 (m, 1H), 5.15-5.4 (m, 1H), 5.0 (m, 2H), 4.75 (m, 2H). LC-MS: m/z 408 (M+H)+.
    • Compound 378—N2-(oxetan-3-yl)-6-(6-(trifluoromethyl)pyridin-2-yl)-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00711
  • 1H NMR (METHANOL-d4): δ 8.7 (m, 1H), 8.6-8.35 (m, 2H), 8.1-8.3 (m, 1.4H), 7.85-8.0 (m, 1.7H), 5.4-5.15 (m, 1H), 5.02 (m, 2H), 4.75 (m, 2H). LC-MS: m/z 458.2 (M+H)+.
    • Compound 379—N2-(oxetan-3-yl)-6-(6-(trifluoromethyl)pyridin-2-yl)-N4-(5-(trifluoromethyl)pyridin-3-yl)-1,3,5-triazine-2, 4-diamine
  • Figure US20220348554A1-20221103-C00712
  • 1H NMR (DMSO-d6): δ 10.2-10.8 (m, 1H), 9.0-9.4 (m, 2H), 8.5-8.9 (m, 3H), 8.3 (m, 1H), 8.1 (m, 1H), 5.0-5.2 (m, 1H), 4.7 (m, 2H), 4.6 (m, 2H). LC-MS: m/z 458.2 (M+H)+.
    • Compound 380—N2-(6-fluoropyridin-3-yl)-N4-(oxetan-3-yl)-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00713
  • 1H NMR (METHANOL-d4): δ 8.5-8.7 (m, 2H), 8.3-8.55 (m, 2H), 8.2 (m, 1H), 7.97 (m, 1H), 7.0-7.15 (m, 1H), 5.1-5.4 (m, 1H), 5.0 (m, 2H), 4.7 (m, 2H). LC-MS: m/z 407 (M+H)+.
    • Compound 381—N2-(5-fluoropyridin-3-yl)-N4-(oxetan-3-yl)-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00714
  • 1H NMR (METHANOL-d4): δ 8.6-8.7 (m, 3H), 8.1-8.22 (m, 2H), 7.95 (m, 1H), 5.1-5.4 (m, 1H), 5.0 (m, 2H), 4.72 (m, 2H). LC-MS: m/z 407 (M+H)+.
    • Compound 382—5-(4-(6-chloropyridin-2-yl)-6-(isopropylamino)-1,3,5-triazin-2-ylamino)nicotinonitrile
  • Figure US20220348554A1-20221103-C00715
  • 1H NMR (METHANOL-d4) δ 9.12 (s, 1H), 8.95-8.77 (m, 2H), 8.71-8.67 (m, 1H), 8.56-8.51 (m, 1H), 8.19-8.15 (m, 1H), 7.88-7.86 (m, 1H), 4.60-4.29 (m, 1H), 1.40 (d, J=6.4 Hz, 6H) LC-MS: m/z 367.2 (M+H)+.
    • Compound 383—6-(6-chloropyridin-2-yl)-N2-(5-fluoropyridin-3-yl)-N4-isopropyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00716
  • 1H NMR (METHANOL-d4) δ 8.88 (s, 1H), 8.52-8.49 (m, 2H), 8.32-8.30 (m, 1H), 8.20-8.16 (m, 1H), 7.89-7.87 (m, 1H), 4.35-4.31 (m, 1H), 1.40 (d, J=6.4 Hz, 6H). LC-MS: m/z 360.1 (M+H)+.
    • Compound 384—6-(6-chloropyridin-2-yl)-N2-(2-fluoropyridin-4-yl)-N4-isopropyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00717
  • 1H NMR (METHANOL-d4) δ 8.45-8.41 (m, 1H), 8.02-7.96 (m, 2H), 7.79 (s, 1H), 7.63-7.61 (m, 1H), 7.54-7.49 (m, 1H), 4.47-4.24 (m, 1H), 1.32 (d, J=6.4 Hz, 6H). LC-MS: m/z 360.1 (M+H)+.
    • Compound 385—1-(4-(6-fluoropyridin-3-ylamino)-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazin-2-ylamino)-2-methylpropan-2-ol
  • Figure US20220348554A1-20221103-C00718
  • 1H NMR (METHANOL-d4) δ 8.63-8.75 (m, 2H), 8.42-8.56 (m, 1H), 8.26-8.30 (q, J=8, 1H), 8.04-8.06 (d, J=7.2 Hz, 1H), 7.16-7.19 (m, 1H), 3.60-3.68 (d, J=32.4 Hz, 2H), 1.35 (s., 6H).
  • LC-MS: m/z 424.2 (M+H)+.
    • Compound 386—N2-isopropyl-6-(6-(trifluoromethyl)pyridin-2-yl)-N4-(5-(trifluoromethyl)pyridin-3-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00719
  • 1H NMR (METHANOL-d4) δ 9.04-8.96 (m, 2H), 8.68-8.64 (m, 1H), 8.49-8.47 (m, 1H), 8.20-8.16 (m, 1H), 7.96-7.94 (d, J=8.0 Hz, 1H), 4.60-4.20 (m, 1H), 1.31 (d, J=6.4 Hz, 6H).
  • LC-MS: m/z 444.2 (M+H)+.
    • Compound 388—6-chloropyridin-2-yl)-6-(6-fluoropyridin-3-ylamino)-1,3,5-triazin-2-ylamino)-2-methylpropan-2-ol
  • Figure US20220348554A1-20221103-C00720
  • 1H NMR (METHANOL-d4) δ 8.58 (s, 1H), 8.42-8.31 (m, 2H), 8.00-7.98 (m, 1H), 7.63-7.61 (m, 1H), 7.09-7.08 (m, 1H), 3.52 (s., 2H), 1.27 (s., 6H). LC-MS: m/z 390.2 (M+H)
    • Compound 389—1-(4-(6-chloropyridin-2-yl)-6-(2-(trifluoromethyl)pyridin-4-ylamino)-1,3,5-triazin-2-ylamino)propan-2-ol
  • Figure US20220348554A1-20221103-C00721
  • 1H NMR (METHANOL-d4) δ 8.46-7.92 (m, 3H), 7.91-7.52 (m, 3H), 3.98-3.88 (m, 1H), 3.52-3.33 (m, 2H), 1.16 (t, J=8.0 Hz, 6H). LC-MS: m/z 426.2 (M+H).
    • Compound 390—1-(4-(6-chloropyridin-2-yl)-6-(5-fluoropyridin-3-ylamino)-1,3,5-triazin-2-ylamino)-2-methylpropan-2-ol
  • Figure US20220348554A1-20221103-C00722
  • 1H NMR (METHANOL-d4) δ 8.72 (s, 1H), 8.63-8.43 (m, 2H), 8.16-8.16 (m, 1H), 8.03-7.99 (m, 1H), 7.65-7.64 (m, 1H), 3.57 (s, 2H), 1.30 (s, 6H). LC-MS: m/z 390.2 (M+H).
    • Compound 391—1-(4-(6-chloropyridin-2-yl)-6-(2-(trifluoromethyl)pyridin-4-ylamino)-1,3,5-triazin-2-ylamino)-2-methylpropan-2-ol
  • Figure US20220348554A1-20221103-C00723
  • 1H NMR (METHANOL-d4) δ 8.62-8.17 (m, 3H), 8.00-7.95 (m, 1H), 7.84-7.83 (m, 1H), 7.63-7.61 (m, 1H), 3.56 (s, 2H), 1.28 (s, 6H). LC-MS: m/z 440.3 (M+H).
    • Compound 393—6-(6-chloropyridin-2-yl)-N2-(2-fluoropyridin-4-yl)-N4-(oxetan-3-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00724
  • 1H NMR (DMSO-d6): δ 10.6-10.8 (m, 2H), 8.8-9.2 (m, 1H), 8.3-8.5 (m, 1H), 7.9-8.2 (m, 2.4H), 7.6-7.8 (m, 2.5H), 5.0-5.2 (m, 1H), 4.75 (m, 2H), 4.6 (m, 2H). LC-MS: m/z 373 (M+H)+.
    • Compound 394—6-(6-chloropyridin-2-yl)-N2-isopropyl-N4-(5-(trifluoromethyl)pyridin-3-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00725
  • 1H NMR (METHANOL-d4) δ 9.15-8.70 (s, 2H), 8.49 (s, 1H), 8.43-8.38 (m, 1H), 7.98-7.93 (m, 1H), 7.60-7.58 (m, 1H), 4.50-4.18 (m, 1H), 1.30 (d, J=8 Hz, 6H). LC-MS: m/z 410.2 (M+H)+.
    • Compound 396—6-(6-chloropyridin-2-yl)-N2-isopropyl-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00726
  • 1H NMR (METHANOL-d4) δ 8.86-8.67 (br.s, 1H), 8.48-8.42 (m, 2H), 8.23-7.61 (m, 3H), 4.53-4.13 (m, 1H), 1.32 (s, 6H). LC-MS: m/z 410.2 (M+H)+.
    • Compound 399—6-(6-chloropyridin-2-yl)-N2-(5-fluoropyridin-3-yl)-N4-isobutyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00727
  • 1H NMR (METHANOL-d4) δ 8.67-8.41 (m, 3H), 8.13-8.10 (m, 1H), 8.00-7.97 (m, 1H), 7.96-7.62 (m, 1H), 3.42-3.31 (m., 2H), 2.04-2.01 (m., 1H), 1.00 (dd, J=4, 400 MHz, 6H). LC-MS: m/z 374.2 (M+H)+.
    • Compound 400—N2-(3-(azetidin-1-ylsulfonyl)phenyl)-6-(6-chloropyridin-2-yl)-N4-isopropyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00728
  • 1H NMR (METHANOL-d4) δ 8.93 (s, 1H), 8.47-8.45 (m, 1H), 7.98 (m, 1H), 7.63-7.61 (m, 1H), 7.56 (m, 2H), 7.50-7.48 (m, 1H), 4.35 (m, 1H), 3.82-3.78 (m., 4H), 2.1-2.06 (m., 2H), 1.32-1.30 (d, J=8 Hz, 6H). LC-MS: m/z 459.9 (M+H)+.
    • Compound 401—5-(4-(isopropylamino)-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazin-2-ylamino)nicotinonitrile
  • Figure US20220348554A1-20221103-C00729
  • 1H NMR (METHANOL-d4) δ: 8.96-8.84 (m, 2H), 8.59-8.54 (m, 1H), 8.42-8.397 (m, 1H), 8.11-8.07 (m, 1H), 7.87-7.85 (d, J=8.0 Hz, 1H), 4.47-4.12 (m, 1H), 1.21 (d, J=6.8 Hz, 6H).
  • LC-MS: m/z 401.2 (M+H)+.
    • Compound 402—N2-(2-fluoropyridin-4-yl)-N4-((tetrahydrofuran-2-yl)methyl)-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00730
  • 1H NMR (METHANOL-d4) δ: 8.69 (t, J=7.4 Hz, 1H), 8.22 (t, J=8.0 Hz, 1H), 8.04-7.98 (m, 2H), 7.84 (s, 1H), 7.53 (dd, J=10.8 Hz, 5.2 Hz, 1H), 4.23-4.19 (m, 1H), 3.99-3.96 (m, 1H), 3.83-3.78 (m, 1H), 3.70-3.63 (m, 2H), 2.12-2.08 (m, 1H), 2.04-1.95 (m, 2H), 1.79-1.72 (m, 1H).
  • LC-MS: m/z 436.2 (M+H)+.
    • Compound 403—4-(4-((tetrahydrofuran-2-yl)methylamino)-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazin-2-ylamino)picolinonitrile
  • Figure US20220348554A1-20221103-C00731
  • 1H NMR (METHANOL-d4) δ: 8.68 (t, J=7.2 Hz, 1H), 8.59 (d, J=16.8 Hz, 1H), 8.46 (dd, J=14.0 Hz, 5.8 Hz, 2H), 8.21 (t, J=7.8 Hz, 1H), 7.99-7.95 (m, 2H), 4.23-4.20 (m, 1H), 3.99-3.93 (m, 1H), 3.84-3.78 (m, 1H), 3.69-3.62 (m, 2H), 2.13-2.09 (m, 1H), 2.05-1.98 (m, 2H), 1.79-1.73 (m, 1H). LC-MS: m/z 443.3 (M+H)+.
    • Compound 404—4-(4-(isopropylamino)-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazin-2-ylamino)picolinonitrile
  • Figure US20220348554A1-20221103-C00732
  • 1H NMR (METHANOL-d4) δ: 8.72-8.65 (m, 1H), 8.59 (s, 1H), 8.48 (dd, J=10.4 Hz, 6.0 Hz, 1H), 8.22 (t, J=7.8 Hz, 1H), 7.99-7.94 (m, 2H), 4.49-4.25 (m, 1H), 1.31 (d, J=7.6 Hz, 6H).
  • LC-MS: m/z 401.2 (M+H)+.
    • Compound 405—5-(4-(2-hydroxy-2-methylpropylamino)-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazin-2-ylamino)nicotinonitrile
  • Figure US20220348554A1-20221103-C00733
  • 1H NMR (METHANOL-d4) δ 9.03-9.12 (m, 1H), 8.70-8.78 (m, 3H), 8.37-8.45 (m, 1H), 8.18-8.25 (d, J=7.2 Hz, 1H), 3.62 (s, 2H), 1.35 (s, 6H). LC-MS: m/z 431.1 (M+H)+.
    • Compound 406—2-methyl-1-(4-(6-(trifluoromethyl)pyridin-2-yl)-6-(5-(trifluoromethyl)pyridin-3-ylamino)-1,3,5-triazin-2-ylamino)propan-2-ol
  • Figure US20220348554A1-20221103-C00734
  • 1H NMR (METHANOL-d4) δ 9.00-9.18 (m, 2H), 8.69-8.71 (m, 1H), 8.51-8.54 (m, 1H), 8.20-8.22 (m, 1H), 7.98-8.00 (m, 1H), 3.57-3.65 (d, J=30.8 Hz, 2H), 1.30 (s, 6H). LC-MS: m/z 474.2 (M+H)+.
    • Compound 407—1-(4-(5-fluoropyridin-3-ylamino)-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazin-2-ylamino)-2-methylpropan-2-ol
  • Figure US20220348554A1-20221103-C00735
  • 1H NMR (METHANOL-d4) δ 8.92 (s, 1H), 8.81-8.83 (m, 1H), 8.53-8.58 (m, 3H), 8.26-8.28 (m, 1H), 3.64 (s, 2H), 1.35 (s, 6H). LC-MS: m/z 424.2 (M+H)+.
    • Compound 408—4-(4-(isobutylamino)-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazin-2-ylamino)picolinonitrile
  • Figure US20220348554A1-20221103-C00736
  • 1H NMR (DMSO-d4) δ 10.7 (s, 1H), 8.52-8.70 (m, 4H), 8.30-8.34 (m, 1H), 8.11-8.13 (m, 1H), 7.93-8.05 (m, 1H), 3.21-3.24 (q, J=6.4 Hz, 2H), 1.95-2.00 (m, 1H), 0.96-0.98 (q, J=3.6 Hz, 6H). LC-MS: m/z 415.3 (M+H)+.
    • Compound 409—2-methyl-1-(4-(6-(trifluoromethyl)pyridin-2-yl)-6-(2-(trifluoromethyl)pyridin-4-ylamino)-1,3,5-triazin-2-ylamino)propan-2-ol
  • Figure US20220348554A1-20221103-C00737
  • 1H NMR (METHANOL-d4) δ 8.62-8.68 (m, 2H), 847-8.50 (m, 1H), 8.18-8.21 (m, 1H), 7.96-7.98 (m, 1H), 7.82-7.84 (m, 1H), 3.56-3.63 (d, J=28 Hz, 2H), 1.30 (s, 6H). LC-MS: m/z 474.3 (M+H)+.
    • Compound 410—6-(6-chloropyridin-2-yl)-N2-(6-fluoropyridin-3-yl)-N4-(oxetan-3-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00738
  • 1H NMR (METHANOL-d4) δ 8.50-8.31 (m, 3H), 7.89-7.86 (m, 1H), 7.53-7.51 (m, 1H), 7.02-7.00 (m, 1H), 5.02-4.90 (m., 1H), 4.88-4.84 (m., 2H), 4.61-4.59 (m, 2H)
  • LC-MS: m/z 374.2 (M+H)+.
    • Compound 411—N2-(3-oxabicyclo[3.1.0]hexan-6-yl)-N4-(5-fluoropyridin-3-yl)-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00739
  • 1H NMR (DMSO-d6) δ 10.04-10.06 (m, 1H), 8.69-8.91 (m, 1H), 8.47-8.58 (m, 2H), 8.32 (t, J=8.0 Hz, 1H), 8.19-8.24 (m., 1H), 8.10-8.12 (m, 1H), 3.98 (d., J=8.0 Hz, 2H), 3.69 (d., J=8.0 Hz, 2H), 2.57-2.61 (m, 1H), 1.97 (s, 2H). LC-MS: m/z 434.2 (M+H)+.
    • Example 4. Preparation of Compounds of Formula I Wherein Ring A is Substituted Phenyl
  • The compounds of this Example are prepared by general Scheme 4, set forth below.
  • Figure US20220348554A1-20221103-C00740
  • Example 4, step 1: Preparation of 4,6-dichloro-N-isopropyl-1,3,5-triazin-2-amine. To a solution of 2,4,6-trichloro-1,3,5-triazine (4.0 g, 0.0217 mol) in THF (25 mL) was added isopropyl amine (1.27 g, 0.0217 mmol) at 0° C. The mixture was stirred at room temperature for 12 hours. The mixture was adjusted pH 7 by aq NaHCO3 and extracted with ethyl acetate (100 mL*2). The combined organic layer was dried over Na2SO4, concentrated and purified by column chromatography to give 4,6-dichloro-N-isopropyl-1,3,5-triazin-2-amine as a colorless oil.
  • Figure US20220348554A1-20221103-C00741
  • 1H NMR (CDCl3) δ 1.24-1.27 (m, 6H), 4.21-4.26 (m, 1H), 5.68 (br s, 1H).
  • The following intermediates (13) were prepared following the procedure of Step 1 using the appropriate amine 6.
    4,6-dichloro-N-(oxetan-3-yl)-1,3,5-triazin-2-amine, which was directly used in the next step.
  • Figure US20220348554A1-20221103-C00742
  • 1H NMR (CDCl3) δ 1.71-1.83 (m, 2H), 1.90-2.04 (m, 2H), 2.37-2.46 (m, 2H), 4.46-4.56 (m, 1H), 6.04 (br. 1H).
  • 1-(4,6-Dichloro-[1,3,5]triazin-2-ylamino)-2-methyl-propan-2-ol, which was directly used in the next step.
  • Figure US20220348554A1-20221103-C00743
  • LCMS: m/z 237.0 (M+H)+.
  • 4,6-dichloro-N-isobutyl-1,3,5-triazin-2-amine, which was directly used in the next step.
  • Figure US20220348554A1-20221103-C00744
  • 1H NMR (CDCl3) δ 0.85 (d, J=8.6 Hz, 6H), 1.75-1.94 (m, 1H), 3.30-3.33 (m, 2H), 6.29 (br, 1H).
  • Example 4, step 2: Preparation of 1-[4-chloro-6-(2-fluoro-phenyl)-[1,3,5]triazin-2-ylamino]-2-methyl-propan-2-ol. To a mixture of 4,6-dichloro-N-isopropyl-1,3,5-triazin-2-amine (1.0 g, 4.83 mmol), 3-fluorophenylboronic acid (0.671 g, 0.00483 mol) and Cs2CO3 (3.15 g, 0.00966 mol) in dioxane/water (12 mL/2.4 mL) was added Pd(PPh3)4 (0.56 g, 483 mmol). The mixture was heated to 80° C. for 2 hours. The mixture was concentrated and purified by SiO2 chromatography to give 1-[4-chloro-6-(2-fluoro-phenyl)-[1,3,5]triazin-2-ylamino]-2-methyl-propan-2-ol as a white solid.
  • Figure US20220348554A1-20221103-C00745
  • LCMS: m/z 297.1 (M+H)+.
  • Additional intermediates 15 were prepared by the method of Example 4, step 2 using the appropriate boronic acid 14 and the appropriate starting intermediate 13.
    • [4-chloro-6-(3-chloro-phenyl)-[1,3,5]triazin-2-yl]-isopropyl-amine
  • Figure US20220348554A1-20221103-C00746
  • LCMS: m/z 282.9 (M+H)+.
    • 4-chloro-6-(2-fluorophenyl)-N-isopropy 1-1,3,5-triazin-2-amine
  • Figure US20220348554A1-20221103-C00747
  • LCMS: m/z 266.8 (M+H)+.
    • 4-chloro-6-(2-chlorophenyl)-N-isopropyl-1,3,5-triazin-2-amine
  • Figure US20220348554A1-20221103-C00748
  • LCMS: m/z 282.8 (M+H)+.
    • 4-chloro-6-(3-fluorophenyl)-N-isopropyl-1,3,5-triazin-2-amine
  • Figure US20220348554A1-20221103-C00749
  • LCMS: m/z 266.9 (M+H)+.
    • [3-(4-Chloro-6-isopropylamino-[1,3,5]triazin-2-yl)-phenyl]-carbamic acid tert-butyl ester
  • Figure US20220348554A1-20221103-C00750
  • LCMS: m/z 364.2 (M+H)+.
    • [4-Chloro-6-(3-methoxy-phenyl)-[1,3,5]triazin-2-yl]-isopropyl-amine
  • Figure US20220348554A1-20221103-C00751
  • LCMS: m/z 279.1 (M+H)+.
    • Example 4, step 3 (Procedure A): Preparation of Compound 227—6-(2-fluorophenyl)-N2-isopropyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • A mixture of 4-chloro-6-(2-fluorophenyl)-N-isopropyl-1,3,5-triazin-2-amine (290 mg, 1.1 mmol), pyridine-4-amine (103 mg, 1.1 mmol), CsF (554 mg, 2.2 mmol) and DIPEA (0.425 g, 3.3 mmol) in DMSO (4 mL) was heated to 80° C. for 2 hours. The mixture was filtered and purified by a standard method to give 6-(2-fluorophenyl)-N2-isopropyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine.
  • Figure US20220348554A1-20221103-C00752
  • 1H NMR (METHANOL-d4) δ: 8.32 (t, J=6.2 Hz, 2H), 8.12-8.03 (m, 1H), 7.89 (t, J=6.2 Hz, 2H), 7.54-7.49 (m, 1H), 7.27 (t, J=7.6 Hz, 1H), 7.23-7.18 (m, 1H), 4.35-4.23 (m, 1H), 1.30-1.26 (m, 6H). LC-MS: m/z 325.0 (M+H)+.
  • The following compound was also made using the procedure of Step 3 and the appropriate amine 4.
    • Compound 226—6-(2-chlorophenyl)-N2-isopropyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00753
  • 1H NMR (METHANOL-d4) δ: 8.31 (t, J=6.2 Hz, 2H), 7.87 (t, J=6.2 Hz, 2H), 7.74-7.65 (m, 1H), 7.50-7.37 (m, 3H), 4.31-4.26 (m, 1H), 1.30-1.24 (m, 6H). LC-MS: m/z 341.0 (M+H)+.
  • Example 4, step 3 (Procedure B): Compound 317—N2-cyclobutyl-6-(2-fluorophenyl)-N4-(3-(methylsulfonyl)phenyl)-1,3,5-triazine-2,4-diamine A mixture of [4-chloro-6-(2-fluoro-phenyl)-[1,3,5]triazin-2-yl]-cyclobutyl-amine (150 mg, 0.538 mmol) and 3-methanesulfonyl-phenylamine (111 mg, 0.648 mmol) in anhydrous THF (10 mL) was stirred at 80° C. for 8 hrs. TLC (petroleum ether/ethyl acetate 10/1) indicated the reaction was complete and water was added. The mixture was extracted with ethyl acetate and the organic layer was washed with brine, dried over sodium sulfate. Filtered and the filtrate was concentrated in vacuo to give crude N-cyclobutyl-6-(2-fluoro-phenyl)-N′-(3-methane-sulfonyl-phenyl)-[1,3,5]triazine-2,4-diamine, which was purified a standard method to give pure N-cyclobutyl-6-(2-fluoro-phenyl)-N′-(3-methanesulfonyl-phenyl)-[1,3,5]triazine-2,4-diamine.
  • Figure US20220348554A1-20221103-C00754
  • 1H NMR (METHANOL-d4) δ: 9.00-8.61 (m, 1H), 8.16-7.76 (m, 1H), 7.62-7.52 (m, 3H), 7.30-7.18 (m, 2H), 4.67-4.61 (m, 1H), 3.16 (s, 3H), 2.52-2.38 (m, 2H), 2.10-2.01 (m, 2H), 1.88-1.76 (m, 2H). LC-MS: m/z 414.3 (M+H)+.
  • Example 4, step 3 (Procedure C): Synthesis of Compound 318—N-Cyclobutyl-6-(2-fluoro-phenyl)-N′-(5-fluoro-pyridin-3-yl)-[1,3,5]triazine-2,4-diamine. A mixture of [4-chloro-6-(2-fluoro-phenyl)-[1,3,5]triazin-2-yl]-cyclobutyl-amine (300 mg, 1.08 mmol), 5-fluoro-pyridin-3-ylamine (145 mg, 1.29 mmol) Pd(dppf)C12 (80 mg, 0.11 mmol) and t-BuONa (208 mg, 2.17 mmol) in dioxane (15 mL) was stirred at 80° C. under N2 for 2 hrs. Cooled to room temperature and water was added. Extracted with ethyl acetate and the organic layer was washed with brine, dried over sodium sulfate and filtered. The filtrate was concentrated in vacuo and the residue was purified by a standard method to obtain N-cyclobutyl-6-(2-fluoro-phenyl)-N′-(5-fluoro-pyridin-3-yl)-[1,3,5]triazine-2,4-diamine.
  • Figure US20220348554A1-20221103-C00755
  • 1H NMR (METHANOL-d4) δ: 8.73-8.44 (m, 2H), 8.08 (d, J=13.1 Hz, 2H), 7.53 (br.s., 1H), 7.28-7.19 (m, 2H), 4.58-4.51 (m, 1H), 2.42 (br.s., 2H), 2.09 (t, J=9.6 Hz, 2H), 1.80 (br.s., 2H).
  • LC-MS: m/z 355.2 (M+H)+.
  • The following compounds were analogously made according to Example 4, step 3 (procedure C) using the appropriate intermediate 15 and the appropriate amine 4
    • Compound 184—6-(3-fluorophenyl)-N2-isopropyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00756
  • 1H NMR (METHANOL-d4) δ: 8.35-8.31 (m, 2H), 8.26-8.20 (m, 1H), 8.10 (t, J=8.9 Hz, 1H), 7.90 (t, J=6.9 Hz, 2H), 7.55-7.47 (m, 1H), 7.30-7.24 (m, 1H), 4.43-4.24 (m, 1H), 1.30 (d, J=6.9 Hz, 6H). LC-MS: m/z 325.0 (M+H)+.
    • Compound 185—6-(3-chlorophenyl)-N2-isopropyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00757
  • 1H NMR (METHANOL-d4) δ: 8.38-8.30 (m, 4H), 7.91-7.87 (m, 2H), 7.53-7.43 (m, 2H), 4.41-4.23 (m, 1H), 1.30 (d, J=6.2 Hz, 6H). LC-MS: m/z 340.9 (M+H)+.
    • Compound 319—1-(4-(2-fluorophenyl)-6-(2-(trifluoromethyl)pyridin-4-ylamino)-1,3,5-triazin-2-ylamino)-2-methylpropan-2-ol
  • Figure US20220348554A1-20221103-C00758
  • 1H NMR (METHANOL-d4) δ: 8.65 (s, 1H), 8.49-8.38 (m, 1H), 8.19-7.85 (m, 2H), 7.62-7.52 (m, 1H), 7.32-7.22 (m, 2H), 3.58-3.56 (m, 2H), 1.29-1.27 (m, 6H). LC-MS: m/z 423.3 (M+H)+.
    • Compound 392—1-(4-(2-fluorophenyl)-6-(5-(trifluoromethyl)pyridin-3-ylamino)-1,3,5-triazin-2-ylamino)-2-methylpropan-2-ol
  • Figure US20220348554A1-20221103-C00759
  • 1H NMR (METHANOL-d4): δ 8.8-9.1 (m, 2H), 8.48 (m, 1H), 8.1 (m, 1H), 7.5 (m, 1H), 7.2-7.3 (m, 2H), 3.5 (m, 2H), 1.25 (m, 6H). LC-MS: m/z 428.3 (M+H)+.
    • Compound 320—6-(2-fluorophenyl)-N2-(5-fluoropyridin-3-yl)-N4-isobutyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00760
  • 1H NMR (METHANOL-d4) δ: 8.64-8.48 (m, 2H), 8.10-8.04 (m, 2H), 7.55-7.51 (m, 1H), 7.29 (t, J=7.6, 1H), 7.29 (t, J=11.0, 1H), 3.32 (br.s., 2H), 2.03-1.96 (m, 1H), 1.03-0.96 (m, 6H).
  • LC-MS: m/z 357.2 (M+H)+.
    • Compound 321—5-(4-(2-fluorophenyl)-6-(isopropylamino)-1,3,5-triazin-2-ylamino)nicotinonitrile
  • Figure US20220348554A1-20221103-C00761
  • 1H NMR (DMSO-d6) δ: 10.25-10.14 (m, 1H), 9.14 (t, J=2.40, 1H), 8.89-8.79 (m, 1H), 8.62-8.61 (m, 1H), 8.04-7.97 (m, 2H), 7.59-7.56 (m, 1H), 7.36-7.31 (m, 1H), 4.25-4.13 (m, 1H), 1.24-1.21 (m, 6H). LC-MS: m/z 350.2 (M+H)+.
    • Compound 369—4-(4-(2-fluorophenyl)-6-(isopropylamino)-1,3,5-triazin-2-ylamino)picolinonitrile
  • Figure US20220348554A1-20221103-C00762
  • 1H NMR (METHANOL-d4) δ 8.61-8.59 (m, 1H), 8.48-8.44 (m, 1H), 8.16-8.13 (m, 1H), 7.98-7.96 (m, 1H), 7.57-7.54 (m, 1H), 7.32-7.23 (m., 2H), 4.29-4.27 (m., 2H), 3.05 (s., 1H), 1.16 (dd, J=4, 400 MHz, 6H). LC-MS: m/z 350.2 (M+H)+.
    • Compound 370—6-(2-fluorophenyl)-N2-isopropyl-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00763
  • 1H NMR (METHANOL-d4) δ 8.65-8.64 (m, 2H), 8.22-8.18 (m, 1H), 7.90-7.89 (m, 1H), 7.72 (m, 2H), 7.45-7.35 (m., 2H), 4.38-4.35 (m., 1H), 1.39 (dd, J=4, 400 MHz, 6H). LC-MS: m/z 393.0 (M+H)+.
    • Compound 371—6-(2-fluorophenyl)-N2-(2-fluoropyridin-4-yl)-N4-isopropyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00764
  • 1H NMR (METHANOL-d4) δ 8.20-8.15 (m, 2H), 7.75-7.59 (m, 2H), 7.45-7.38 (m, 3H), 4.37-4.35 (m., 1H), 1.37 (dd, J=4, 400 MHz, 6H). LC-MS: m/z 342.9 (M+H)+.
    • Compound 372—6-(2-fluorophenyl)-N2-isopropyl-N4-(5-(trifluoromethyl)pyridin-3-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00765
  • 1H NMR (METHANOL-d4) δ 9.31-8.77 (m, 3H), 8.21 (m, 1H), 7.79 (m, 1H), 7.47-7.41 (m., 2H), 4.33-4.32 (m, 1H), 1.37 (dd, J=4, 400 MHz, 6H). LC-MS: m/z 393.0 (M+H)+.
    • Compound 374—6-(2-fluorophenyl)-N2-(5-fluoropyridin-3-yl)-N4-isopropyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00766
  • 1H NMR (METHANOL-d4) δ 8.69-8.61 (m, 2H), 8.12-8.05 (m, 2H), 7.57-7.52 (m, 1H), 7.31-7.21 (m., 2H), 4.28-4.25 (m, 1H), 1.31 (dd, J=4, 400 MHz, 6H). LC-MS: m/z 343.2 (M+H)+.
    • Compound 387—6-(2-fluorophenyl)-N2-(6-fluoropyridin-3-yl)-N4-isopropyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00767
  • 1H NMR (METHANOL-d4) δ 8.61-8.57 (m, 1H), 8.42-8.37 (m, 1H), 8.04-8.00 (m, 1H), 7.55-7.51 (m., 1H), 7.30-7.05 (m, 3H), 4.26-4.23 (m, 1H), 1.29 (dd, J=4, 400 MHz, 6H). LC-MS: m/z 342.9 (M+H)+.
    • Preparation of 1-[4-(3-Amino-phenyl)-6-(pyridin-4-ylamino)-[1,3,5]triazin-2-yl-aminol-2-methyl-propan-2-ol Compound 327—
  • Figure US20220348554A1-20221103-C00768
  • To a mixture of 1-[4-(3-N-(BOC-amino)-phenyl)-6-(pyridin-4-ylamino)-[1,3,5]triazin-2-ylamino]-2-methyl-propan-2-ol (100.2 mg, 0.24 mmol) in ethyl acetate (1 mL) was added HCl/ethyl acetate (4 mL) at 0° C. under N2. The mixture was stirred at r.t. for 2 hours. TLC (petroleum ether/ethyl acetate=3:1) showed that the reaction was complete. The mixture was concentrated to give a residue, which was purified by a standard method to give 1-[4-(3-amino-phenyl)-6-(pyridin-4-ylamino)-[1,3,5]triazin-2-ylamino]-2-methyl-propan-2-ol. 1H NMR (METHANOL-d4) δ: 8.44-8.40 (m, 2H), 8.17-8.12 (m, 2H), 7.83-7.72 (m, 2H), 7.22 (t, J=7.6 Hz, 2H), 6.92 (d, J=7.6 Hz, 2H), 4.45-4.26 (m, 1H), 1.31 (d, J=6.5 Hz, 6H). LC-MS: m/z 322.2 (M+H)+.
    • Preparation of 3-[4-Isopropylamino-6-(pyridin-4-ylamino)-[1,3,5]triazin-2-yl]-phenol Compound 328—
  • Figure US20220348554A1-20221103-C00769
  • To a mixture of N-isopropyl-6-(3-methoxy-phenyl)-N-pyridin-4-yl-[1,3,5]triazine-2,4-diamine (200 mg, 0.6 mmol) in DCM (10 mL) was added BBr3 (60 mg, 0.6 mol) at −78° C. under N2. The mixture was allowed to warm to r.t. and stirred for 90 min. before pouring to water (2 mL). After stirring for 20 min. to the mixture was added NaHCO3 to adjust pH to 7 and extracted with ethyl acetate. The organic layer was dried over sodium sulphate and concentrated to give a residue, which was purified by a standard method to give 3-[4-isopropylamino-6-(pyridin-4-ylamino)-[1,3,5]triazin-2-yl]-phenol.
  • 1H NMR (DMSO-d6) δ: 11.12-11.05 (m, 1H), 9.72 (br.s., 1H), 8.67-8.60 (m, 2H), 8.38-8.31 (m, 2H), 8.15-8.00 (m, 1H), 7.82-7.74 (m, 2H), 7.32 (t, J=8.2 Hz, 1H), 7.00 (d, J=8.2 Hz, 1H), 4.433-4.17 (m, 1H), 1.26-1.22 (m, 6H). LC-MS: m/z 323.2 (M+H)+.
  • Example 5. Preparation of Compounds of Formula I Wherein Ring A and Ring B are Phenyl. The compounds of this Example are prepared by general Scheme 5, set forth below.
  • Figure US20220348554A1-20221103-C00770
  • Example 5 step 2: Preparation of 4-chloro-N,6-diphenyl-1,3,5-triazin-2-amine. To a solution of 2,4-dichloro-6-phenyl-1,3,5-triazine (1 g, 4.4 mol) in acetone (10 mL) was added dropwise a solution of aniline (0.41 g, 4.4 mol) in acetone (2 mL) at 0° C. via syringe under N2. After the addition, the mixture was stirred at 0° C. under N2 for 4 hrs. The reaction mixture was adjusted to pH 7 with saturated NaHCO3. The cake was dissolved in ethyl acetate (500 ml), dried over anhydrous Na2SO4, concentrated and purified via silica gel chromatography to give 4-chloro-N,6-diphenyl-1,3,5-triazin-2-amine as a white solid.
  • 1H NMR (CDCl3) δ: 8.42 (d, J=7.6 Hz, 1H), 8.33 (d, J=7.6 Hz, 1H), 7.57-7.43 (m, 3H), 5.57-5.49 (m, 1H), 4.42-4.24 (m, 1H), 1.31-1.23 (m, 6H).
  • Example step 3: Preparation of 2,6-diphenyl-N4-(tetrahydrofuran-3-yl)-1,3,5-triazine-2,4-diamine tetrahydrofuran-3-amine. Compound 203—To a solution of (4-chloro-6-phenyl-[1,3,5]triazin-2-yl)-phenyl-amine (150 mg, 0.532 mmol) in anhydrous THF (5 mL) was added a solution of 1-amino-2-methyl-propan-2-ol (71 mg, 0.796 mmol) in THF (2 mL) via syringe at room temperature and the result mixture was stirred at room temperature for 16 hrs. The reaction was quenched by water (15 mL) and extracted with ethyl acetate. The organic layer was dried over Na2SO4, concentrated and purified by a standard method to give pure 2-methyl-1-(4-phenyl-6-phenylamino-[1,3,5]triazin-2-yl-amino)-propan-2-ol.
  • Figure US20220348554A1-20221103-C00771
  • 1H NMR (METHANOL-d4) δ: 8.35 (t, J=9.6 Hz, 2H), 7.74 (d, J=8.2 Hz, 2H), 7.53-7.43 (m, 3H), 7.31 (t, J=5.5 Hz, 2H), 7.03 (t, J=7.6 Hz, 1H), 3.56-3.47 (m, 2H), 1.26 (s, 6H). LC-MS: m/z 336.2 (M+H)+.
  • Other compounds were produced following Example 5, step 3 using the appropriate amine 6.
    • Compound 174—N2,6-diphenyl-N4-(tetrahydrofuran-3-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00772
  • 1H NMR (METHANOL-d4) δ: 8.39 (br.s., 1H), 8.35 (d, J=6.9 Hz, 1H), 7.75 (d, J=7.6 Hz, 3H), 7.52-7.43 (m, 3H), 7.31 (br.s., 2H), 7.02 (t, J=7.6 Hz, 1H), 4.60 (br.s., 1H), 4.05-3.95 (m, 2H), 3.89-3.83 (m, 1H), 3.76 (dd, J=8.9, 3.4 Hz, 1H), 2.34-2.29 (m, 1H), 2.04-1.97 (m, 1H). LC-MS: m/z 333.9 (M+H)+.
    • Compound 175—N2-(oxetan-3-yl)-N4,6-diphenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00773
  • 1H NMR (METHANOL-d4) δ: 8.35 (d, J=7.2 Hz, 2H), 7.71 (br.s., 2H), 7.51-7.41 (m, 3H), 7.30 (br.s., 2H), 7.02 (t, J=7.2 Hz, 1H), 5.25-5.10 (m, 1H), 4.93 (br.s., 2H), 4.69 (br.s., 2H). LC-MS: m/z 320.0 (M+H)+.
    • Compound 176—N2-(3-methyloxetan-3-yl)-N4,6-diphenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00774
  • 1H NMR (METHANOL-d4) δ: 8.35 (d, J=7.6 Hz, 2H), 7.70 (br, 2H), 7.52-7.42 (m, 3H), 7.31 (t, J=7.6 Hz, 2H), 7.06 (br.s., 1H), 4.88 (br.s., 2H), 4.52-4.88 (br.s., 2H), 1.77 (s, 3H). LC-MS: m/z 334.0 (M+H)+.
    • Compound 225—N2-(2-methoxyethyl)-N4,6-diphenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00775
  • 1H NMR (METHANOL-d4) δ: 8.42-8.34 (m, 2H), 7.75 (d, J=6.9 Hz, 2H), 7.54-7.44 (m, 3H), 7.32 (t, J=7.6 Hz, 2H), 7.04 (t, J=7.1 Hz, 1H), 3.7-3.58 (m, 4H), 3.41 (s, 3H). LC-MS: m/z 322.0 (M+H)+.
    • Compound 237—N2-(oxetan-2-ylmethyl)-N4,6-diphenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00776
  • 1H NMR (METHANOL-d4) δ: 8.40-8.33 (m, 2H), 7.74 (d, J=8.2 Hz, 2H), 7.52-7.43 (m, 3H), 7.31 (t, J=8.2 Hz, 2H), 7.02 (t, J=7.6 Hz, 1H), 5.1-5.04 (m, 1H), 4.72-4.66 (m, 1H), 4.62-4.57 (m, 2H), 3.89-3.68 (m, 2H), 2.71-2.67 (m, 1H), 2.61-2.52 (m, 1H). LC-MS: m/z 333.9 (M+H)+.
    • Compound 238—2-(4-phenyl-6-(phenylamino)-1,3,5-triazin-2-ylamino)ethanol
  • Figure US20220348554A1-20221103-C00777
  • 1H NMR (METHANOL-d4) δ: 8.39-8.31 (m, 2H), 7.75 (d, J=7.6 Hz, 2H), 7.52-7.43 (m, 3H), 7.31 (t, J=7.6 Hz, 2H), 7.02 (t, J=6.9 Hz, 1H), 3.76 (t, J=5.5 Hz, 2H), 3.65-3.59 (m, 2H).
  • LC-MS: m/z 308.0 (M+H)+.
    • Compound 239—2,2-dimethyl-3-(4-phenyl-6-(phenylamino)-1,3,5-triazin-2-ylamino)propan-1-ol
  • Figure US20220348554A1-20221103-C00778
  • 1H NMR (METHANOL-d4) δ: 8.35-8.29 (m, 2H), 7.74 (t, J=6.5 Hz, 2H), 7.54-7.44 (m, 3H), 7.32 (q, J=7.6 Hz, 2H), 7.06-7.01 (m, 1H), 3.39 (d, J=9.5 Hz, 2H), 3.22 (s, 2H), 0.94 (s, 6H).
  • LC-MS: m/z 350.1 (M+H)+.
    • Compound 240—1-(4-phenyl-6-(phenylamino)-1,3,5-triazin-2-ylamino)propan-2-ol
  • Figure US20220348554A1-20221103-C00779
  • 1H NMR (METHANOL-d4) δ: 8.39-8.32 (m, 2H), 7.74 (d, J=7.8 Hz, 2H), 7.52-7.43 (m, 3H), 7.31 (t, J=7.8 Hz, 2H), 7.02 (t, J=7.1 Hz, 1H), 4.06-3.98 (m, 1H), 3.56-3.33 (m, 2H), 1.22 (d, J=6.4 Hz, 3H). LC-MS: m/z 321.9 (M+H)+.
    • Compound 241—2-(4-phenyl-6-(phenylamino)-1,3,5-triazin-2-ylamino)propan-1-ol
  • Figure US20220348554A1-20221103-C00780
  • 1H NMR (METHANOL-d4) δ: 8.39-8.32 (m, 2H), 7.74 (d, J=7.6 Hz, 2H), 7.52-7.42 (m, 3H), 7.30 (t, J=7.6 Hz, 2H), 7.02 (t, J=7.6 Hz, 1H), 4.37-4.25 (m, 1H), 3.65-3.58 (m, 2H), 1.27 (d, J=6.9 Hz, 3H). LC-MS: m/z 322.0 (M+H)+.
    • Compound 242—3-methyl-2-(4-phenyl-6-(phenylamino)-1,3,5-triazin-2-ylamino)butan-1-ol
  • Figure US20220348554A1-20221103-C00781
  • 1H NMR (METHANOL-d4) δ: 8.41-8.33 (m, 2H), 7.75 (d, J=8.0 Hz, 2H), 7.52-7.44 (m, 3H), 7.31 (t, J=7.6 Hz, 2H), 7.03 (t, J=7.6 Hz, 1H), 4.25-4.05 (m, 1H), 3.73 (d, J=4.8 Hz, 2H), 2.12-2.02 (m, 1H), 1.04-1.00 (m, 3H). LC-MS: m/z 350.1 (M+H)+.
    • Compound 267—(1R,3R)-3-(4-phenyl-6-(phenylamino)-1,3,5-triazin-2-ylamino)cyclopentanol
  • Figure US20220348554A1-20221103-C00782
  • 1H NMR (METHANOL-d4) δ: 8.42-8.32 (m, 2H), 7.80-7.75 (m, 2H), 7.52-7.42 (m, 3H), 7.33-7.29 (m, 2H), 7.01 (t, J=7.2 Hz, 1H), 4.63-4.58 (m, 1H), 4.39-4.36 (m, 1H), 2.32-2.25 (m, 1H), 2.10-2.03 (m, 2H), 1.84-1.78 (m, 1H), 1.69-1.52 (m, 2H). LC-MS: m/z 348.1 (M+H)+.
    • Compound 268—N2,6-diphenyl-N4-(tetrahydro-2H-pyran-3-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00783
  • 1H NMR (METHANOL-d4) δ: 8.43-8.36 (m, 2H), 7.77 (t, J=7.6 Hz, 2H), 7.55-7.45 (m, 3H), 7.34 (t, J=7.6 Hz, 2H), 7.05 (t, J=7.2 Hz, 1H), 4.26-4.05 (m, 2H), 3.86-3.83 (m, 1H), 3.55-3.50 (m, 1H), 3.40-3.33 (m, 1H), 2.15-2.06 (m, 1H), 1.87-1.66 (m, 3H). LC-MS: m/z 348.1 (M+H)+.
    • Compound 269—N2-(1-methoxypropan-2-yl)-N4,6-diphenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00784
  • 1H NMR (METHANOL-d4) δ: 8.41-8.35 (m, 2H), 7.78 (d, J=7.2 Hz, 2H), 7.55-7.45 (m, 3H), 7.33 (t, J=7.6 Hz, 2H), 7.05 (t, J=7.2 Hz, 1H), 4.54-4.37 (m, 1H), 3.58-3.55 (m, 1H), 3.46-3.41 (m, 1H), 3.41 (s, 3H), 1.30 (d, J=6.9 Hz, 3H). LC-MS: m/z 336.1 (M+H)+.
    • Compound 296—N2-((1S,2R,4R)-bicyclo[2.2.1]heptan-2-yl)-N4,6-diphenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00785
  • 1H NMR (DMSO-d6) δ: 9.60-9.47 (m, 1H), 8.36-8.30 (m, 2H), 7.89-7.84 (m, 2H), 7.80-7.61 (m, 1H), 7.56-7.50 (m, 3H), 7.31 (t, J=7.6 Hz, 2H), 6.70 (t, J=6.9 Hz, 1H), 4.30-4.15 (m, 1H), 2.32-2.25 (m, 1H), 2.07-1.90 (m, 1H), 1.65-1.1 (m, 8H). LC-MS: m/z 358.1 (M+H)+.
    • Compound 352—(1S,2R)-2-(4-phenyl-6-(phenylamino)-1,3,5-triazin-2-ylamino)cyclopentanol
  • Figure US20220348554A1-20221103-C00786
  • 1H NMR (METHANOL-d4) δ: 8.42-8.32 (m, 2H), 7.77 (t, J=7.9 Hz, 2H), 7.56-7.46 (m, 3H), 7.34 (t, J=7.6 Hz, 2H), 7.05 (t, J=7.2 Hz, 1H), 4.42-4.23 (m, 2H), 2.17-2.10 (m, 1H), 1.99-1.87 (m, 2H), 1.80-1.70 (m, 3H). LC-MS: m/z 348.2 (M+H)+.
    • Compound 362—3-(4-phenyl-6-(phenylamino)-1,3,5-triazin-2-ylamino)cyclohex-2-enone
  • Figure US20220348554A1-20221103-C00787
  • 1H NMR (METHANOL-d4) δ: 8.47 (d, J=7.6 Hz, 1H), 7.78 (br.s., 2H), 7.60-7.50 (m, 3H), 7.39 (t, J=8.2 Hz, 2H), 7.23 (br.s., 1H), 7.12 (t, J=7.6 Hz, 1H), 2.75 (t, J=6.2 Hz, 2H), 2.43 (t, J=6.2 Hz, 2H), 2.12-2.03 (m, 2H). LC-MS: m/z 358.2 (M+H)+.
    • Example 6. Preparation of Additional Compounds of Formula I Wherein Ring A is Phenyl
  • The compounds of this Example are prepared by general Scheme 6, set forth below.
  • Figure US20220348554A1-20221103-C00788
    • Example 6, step 2: Preparation of tert-Butyl-(4-chloro-6-phenyl-[1,3,5]triazin-2-yl)-amine
  • To a solution of 2,4-dichloro-6-phenyl-1,3,5-triazine (500 mg, 2.212 mmol) in anhydrous THF (4 mL) was added dropwise a solution of tert-butylamine (194.1 mg, 2.654 mol) in THF (1 mL) at room temperature via syringe under N2. After the addition, the mixture was stirred at room temperature under N2 for 2 hrs. The reaction was quenched by water (5 mL) and extracted with ethyl acetate. The organic layer was dried, concentrated to afford tert-butyl-(4-chloro-6-phenyl-[1,3, and 5]-triazin-2-yl)-amine as a white solid, which was used the directly in the next step without purification.
    Other amines 6 were also employed using the standard procedure described above to give the desired intermediates and were also used in the next step directly without further purification.
    Example 6, step 3: Preparation of Compound 227 6-(2-fluorophenyl)-N2-isopropyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine. A mixture of tert-butyl-(4-chloro-6-phenyl-[1, 3, and 5]triazin-2-yl)-amine (186.1 mg, 0.71 mmol), pyridine-4-amine (80 mg, 0.85 mmol), CsF (107.85 mg, 0.71 mmol) and DIEA (275.30 mg, 2.13 mmol) in DMSO (4 mL) was heated to 80° C. for 2 hours. The mixture was filtered and purified by a standard method to give 6-(2-fluorophenyl)-N2-isopropyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine. This compound was also produced by Step 3, procedure A of Example 4.
    Additional compounds of one aspect of the invention are produced according to Scheme 6 and the methods set forth in this example using the appropriate amine 6 and the appropriate amine 4.
    • Compound 186—N2-sec-butyl-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00789
  • 1H NMR (METHANOL-d4) δ: 8.44-8.33 (m, 4H), 7.92 (m, 2H), 7.54 (t, J=7.14 Hz, 1H), 7.48 (t, J=7.14 Hz, 2H), 4.30-4.09 (m, 1H), 1.66 (m, 2H), 1.28 (d, J=6.56 Hz, 3H), 1.02 (t, J=7.29 Hz, 3H). LC-MS: m/z 321.1 (M+H)+.
    • Compound 287—N2-cyclopentyl-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00790
  • 1H NMR (DMSO-d6) δ: 8.43-8.37 (m, 4H), 8.06-8.02 (m, 2H), 7.52-7.46 (m, 3H), 4.52-4.36 (m, 1H), 2.08 (m, 2H), 1.80-1.62 (m, 6H). LC-MS: m/z 333.1 (M+H)+.
    • Compound 188—N2-cyclobutyl-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00791
  • 1H NMR (DMSO-d6) δ: 8.50-8.30 (m, 4H), 8.00-7.90 (m, 2H), 7.60-7.40 (m, 3H), 4.55 (m, 1H), 2.45 (m, 2H), 2.10 (m, 2H), 1.80 (m, 2H). LC-MS: m/z 319.1 (M+H)+.
    • Compound 189—N2-tert-butyl-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00792
  • 1H NMR (DMSO-d6) δ: 8.50-8.30 (m, 4H), 8.00-7.90 (m, 2H), 7.60-7.40 (m, 3H), 1.56 (m, 9H).
  • LC-MS: m/z 321.1 (M+H)+.
    • Compound 190—N2-isobutyl-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00793
  • 1H NMR (METHANOL-d4) δ: 8.35-8.21 (m, 4H), 7.84-7.78 (m, 2H), 7.48-7.34 (m, 3H), 3.30 (d, J=2.0 Hz, 2H), 1.96-1.87 (m, 1H), 0.92 (d, J=6.8 Hz, 6H). LC-MS: m/z 321.0 (M+H)+.
    • Compound 191—N2-neopentyl-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00794
  • 1H NMR (METHANOL-d4) δ: 8.57-8.52 (m, 1H), 8.43-8.28 (m, 4H), 7.60-7.37 (m, 3H), 3.36 (d, J=2.0 Hz, 2H), 0.94 (d, J=9.6 Hz, 9H). LC-MS: m/z 335.1 (M+H)+.
    • Compound 211—N2-butyl-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00795
  • 1H NMR (METHANOL-d4) δ: 8.37-8.25 (m, 4H), 7.84 (d, J=6.41 Hz, 2H), 7.46 (t, J=7.12 Hz, 1H), 7.40 (t, J=7.12 Hz, 2H), 3.50-3.41 (m, 2H), 1.61 (m, 2H), 1.40 (m, 2H), 0.93 (t, J=7.23 Hz, 3H). LC-MS: m/z 321.0 (M+H)+.
    • Compound 212—N2-isopentyl-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00796
  • 1H NMR (METHANOL-d4) δ: 8.30-8.18 (m, 4H), 7.77 (d, J=5.98 Hz, 2H), 7.41-7.31 (m, 3H), 3.45-3.36 (m, 2H), 1.60 (m, 1H), 1.45 (m, 2H), 0.86 (d, J=6.52 Hz, 3H). LC-MS: m/z 335.1 (M+H)+.
    • Compound 213—N2-(3-methylbutan-2-yl)-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00797
  • 1H NMR (METHANOL-d4) δ: 8.33-8.23 (m, 4H), 7.85-7.80 (m, 2H), 7.44 (t, J=7.03 Hz, 1H), 7.38 (t, J=7.03 Hz, 2H), 4.14-3.97 (m, 1H), 1.83 (m, 1H), 1.14 (d, J=6.69 Hz, 3H), 0.94-0.90 (m, 6H). LC-MS: m/z 335.1 (M+H)+.
    • Compound 215—6-phenyl-N2-(pyridin-4-yl)-N4-(2,2,2-trifluoroethyl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00798
  • 1H NMR (METHANOL-d4) δ: 8.44 (m, 2H), 8.36 (m, 2H), 7.90 (m, 2H), 7.55 (t, J=7.32 Hz, 1H), 7.48 (t, J=7.32 Hz, 2H), 4.35-4.20 (m, 2H). LC-MS: m/z 346.9 (M+H)+.
    • Compound 216—N2-(cyclopropylmethyl)-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00799
  • 1H NMR (METHANOL-d4) δ: 8.43-8.32 (m, 4H), 7.91 (m, 2H), 7.53 (t, J=7.21 Hz, 1H), 7.47 (t, J=7.21 Hz, 2H), 3.43-3.36 (m, 2H), 1.18 (m, 1H), 0.54 (m, 2H), 0.32 (m, 2H). LC-MS: m/z 319.0 (M+H)+.
    • Compound 217—N2-cyclopropyl-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00800
  • 1H NMR (METHANOL-d4) δ: 8.46-8.33 (m, 4H), 8.01-7.91 (m, 2H), 7.54-7.44 (m, 3H), 2.88-2.99 (m, 1H), 0.87 (m, 2H), 0.64 (m, 2H). LC-MS: m/z 305.0 (M+H)+.
    • Compound 218—N2-(1-methylcyclopropyl)-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00801
  • 1H NMR (METHANOL-d4) δ: 8.51-8.33 (m, 4H), 8.05-7.90 (m, 2H), 7.54-7.44 (m, 3H), 1.54 (s, 3H), 0.91-0.77 (m, 4H). LC-MS: m/z 319.0 (M+H)+.
    • Compound 219—N2-(2-methylcyclopropyl)-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00802
  • 1H NMR (METHANOL-d4) δ: 8.57-8.40 (m, 4H), 7.98-8.09 (m, 2H), 7.59 (t, J=7.23 Hz, 1H), 7.53 (t, J=7.23 Hz, 2H), 2.66 (m, 1H), 1.29 (d, J=5.43 Hz, 3H), 1.05 (m, 1H), 0.91 (m, 1H), 0.70 (m, 1H). LC-MS: m/z 319.2 (M+H)+.
    • Compound 220—N2-(2-methylbutyl)-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00803
  • 1H NMR (METHANOL-d4) δ: 8.47 (m, 2H), 8.39 (d, J=5.80 Hz, 2H), 7.97 (m, 2H), 7.59 (t, J=6.44 Hz, 1H), 7.53 (t, J=6.44 Hz, 2H), 3.58-3.29 (m, 2H), 1.85 (m, 1H), 1.60 (m, 1H), 1.32 (m, 1H), 1.06-1.02 (m, 6H). LC-MS: m/z 335.2 (M+H)+.
    • Compound 221—N2-((2-methyltetrahydrofuran-2-yl)methyl)-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00804
  • 1H NMR (METHANOL-d4) δ: 8.51-8.41 (m, 4H), 7.99 (m, 2H), 7.61 (t, J=7.22 Hz, 1H), 7.55 (t, J=7.22 Hz, 2H), 3.98 (m, 2H), 3.78-3.65 (m, 2H), 2.10-1.80 (m, 4H), 1.36 (s, 3H). LC-MS: m/z 363.1 (M+H)+.
    • Compound 222—6-phenyl-N2-(pyridin-4-yl)-N4-((tetrahydrofuran-2-yl)methyl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00805
  • 1H NMR (METHANOL-d4) δ: 8.53-8.42 (m, 4H), 8.02 (m, 2H), 7.62 (t, J=7.21 Hz, 1H), 7.56 (t, J=7.21 Hz, 2H), 4.27 (m, 1H), 4.01 (m, 1H), 3.86 (q, J=7.23 Hz, 1H), 3.75 (m, 1H), 3.68 (m, 1H), 2.17-1.83 (m, 4H). LC-MS: m/z 349.2 (M+H)+.
    • Compound 234—N2-(morpholin-2-ylmethyl)-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00806
  • 1H NMR (METHANOL-d4) δ 8.42 (d, J=7.2 Hz, 1H), 8.39-8.32 (m, 3H), 7.89 (d, J=4.8 Hz, 2H), 7.51 (d, J=6.8 Hz, 1H), 7.48-7.44 (m, 2H), 3.90-3.87 (m, 1H), 3.76-3.74 (m, 1H), 3.63-3.52 (m, 3H), 2.99-2.96 (m, 1H), 2.81-2.78 (m, 2H), 2.62-2.53 (m, 1H). LC-MS: m/z 364.0 (M+H)+.
    • Compound 235—6-phenyl-N2-(pyridin-4-yl)-N4-(tetrahydrofuran-3-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00807
  • 1H NMR (DMSO-d6) δ: 9.8-10.0 (m, 1H), 8.1-8.4 (m, 4H), 7.9-8.1 (m, 1H), 7.6-7.8 (m, 2H), 7.3-7.5 (m, 3H), 4.3-4.6 (m, 1H), 3.75-3.85 (m, 1H), 3.7-3.75 (m, 1H), 3.55-3.65 (m, 1H), 3.45-3.55 (m, 1H), 2.0-2.15 (m, 1H), δ 1.75-1.85 (m, 1H). LC-MS: m/z 335.1 (M+H)+.
    • Compound 236—N2-(oxetan-3-yl)-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00808
  • 1H NMR (METHANOL-d4) δ: 8.3-8.5 (m, 4H), 7.8-8.0 (m, 2H), 7.45-7.6 (m, 3H), 5.15-5.4 (m, 1H), 5.03 (t, J=6.8 Hz, 2H), 4.76 (t, J=6.4 Hz, 2H). LC-MS: m/z 320.9 (M+H)+.
    • Compound 248—N2-ethyl-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00809
  • 1H NMR (CDCl3) δ: 8.50 (m, 2H), 8.43-8.32 (m, 2H), 7.65 (m, 2H), 7.55-7.46 (m, 3H), 7.20-7.08 (m, 1H), 5.45-5.29 (m, 1H), 3.66-3.54 (m, 2H), 1.32 (t, J=7.25 Hz, 3H). LC-MS: m/z 292.9 (M+H)+.
    • Compound 249—6-phenyl-N2-propyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00810
  • 1H NMR (METHANOL-d4) δ: 8.46-8.35 (m, 4H), 7.96 (m, 2H), 7.55 (t, J=7.25 Hz, 1H), 7.49 (t, J=7.25 Hz, 2H), 3.56-3.45 (m, 2H), 1.73 (m, 2H), 1.05 (t, J=7.35 Hz, 3H). LC-MS: m/z 307.0 (M+H)+.
    • Compound 250—N2-(cyclobutylmethyl)-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00811
  • 1H NMR (METHANOL-d4) δ: 8.29-8.48 (m, 4H), 7.88-7.95 (m, 2H), 7.49-7.51 (m, 3H), 3.48-3.61 (m, 2H), 2.60-2.75 (m, 1H), 2.08-2.18 (m, 2H), 1.75-2.00 (m, 4H). LC-MS: m/z 332.4 (M+H)+.
    • Compound 251—N2-(3-methyloxetan-3-yl)-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00812
  • 1H NMR (METHANOL-d4) δ: 8.3-8.5 (m, 4H), 7.8-8.0 (m, 2H), 7.4-7.6 (m, 3H), 4.96 (d, J=6.4 Hz, 2H), 4.60 (d, J=6.0 Hz, 2H), 1.81 (s, 3H). LC-MS: m/z 334.9 (M+H)+.
    • Compound 252—N2-(2-methoxy-2-methylpropyl)-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00813
  • 1H NMR (METHANOL-d4) δ: 8.30-8.49 (m, 4H), 7.88-7.98 (m, 2H), 7.46-7.51 (m, 3H), 3.62 (s, 1H), 3.70 (s, 2H), 3.30 (s, 3H), 1.25 (s, 6H). LC-MS: m/z 350.43 (M+H)+.
    • Compound 253—N2-(3,3-difluorocyclobutyl)-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00814
  • 1H NMR (METHANOL-d4) δ: 8.27-8.18 (m, 4H), 7.73 (m, 2H), 7.37 (t, J=6.92 Hz, 1H), 7.31 (t, J=6.92 Hz, 2H), 4.34-4.26 (m, 1H), 2.89 (m, 2H), 2.53 (m, 2H). LC-MS: m/z 354.9 (M+H)+.
    • Compound 254—N2-(4,4-difluorocyclohexyl)-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00815
  • 1H NMR (METHANOL-d4) δ: 8.47-8.35 (m, 4H), 7.93 (m, 2H), 7.56 (t, J=7.19 Hz, 1H), 7.50 (t, J=7.19 Hz, 2H), 4.28-4.12 (m, 1H), 1.76-2.18 (m, 8H). LC-MS: m/z 383.1 (M+H)+.
    • Compound 255—N2-(3,3-dimethylbutan-2-yl)-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00816
  • 1H NMR (METHANOL-d4) δ: 8.33-8.42 (m, 4H), 7.91-7.96 (m, 2H), 7.46-7.53 (m, 3H), 1.36 (d, J=6.4 Hz, 1H), 1.21 (d, J=6.8 Hz, 2H), 1.01 (s, 9H). LC-MS: m/z 349.1 (M+H)+.
    • Compound 256—4-(4-phenyl-6-(pyridin-4-ylamino)-1,3,5-triazin-2-ylamino)cyclohexanol
  • Figure US20220348554A1-20221103-C00817
  • 1H NMR (METHANOL-d4) δ: 8.56-8.30 (m, 4H), 7.90 (d, J=5.5 Hz, 2H), 7.53-7.44 (m, 3H), 3.85-4.1 (m, 1H), 3.62 (s, 1H), 2.15 (s, 2H), 2.03 (s, 2H), 1.46-1.35 (m, 4H). LC-MS: m/z 363.2 (M+H)+.
    • Compound 257—N2-(1-cyclopropylethyl)-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00818
  • 1H NMR (METHANOL-d4) δ: 8.40-8.34 (m, 4H), 7.94-7.90 (d, J=16 Hz, 3H), 7.53-7.45 (m, 3H), 4.59 (br.s., 1H), 3.75-3.68 (m, 1H), 1.36-1.35 (d, J=4 Hz, 1H), 1.05 (br.s., 1H), 0.59-0.47 (m, 3H), 0.3 (br.s., 1H). LC-MS: m/z 333.2 (M+H)+.
    • Compound 258—6-phenyl-N2-(pyridin-4-yl)-N4-(tetrahydro-2H-pyran-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00819
  • 1H NMR (METHANOL-d4) δ: 9.38 (m, 2H), 8.54 (m, 2H), 7.65-7.53 (m, 3H), 7.03 (m, 2H), 4.39-4.30 (m, 1H), 4.05 (m, 2H), 3.64 (m, 2H), 2.06 (m, 2H), 1.73 (m, 2H). LC-MS: m/z 349.2 (M+H)+.
    • Compound 259—2,2-dimethyl-3-(4-phenyl-6-(pyridin-4-ylamino)-1,3,5-triazin-2-ylamino)propan-1-ol
  • Figure US20220348554A1-20221103-C00820
  • 1H NMR (METHANOL-d4) δ: 9.38 (m, 2H), 8.54 (m, 2H), 7.65-7.53 (m, 3H), 7.03 (m, 2H), 4.39-4.30 (m, 1H), 4.05 (m, 2H), 3.64 (m, 2H), 2.06 (m, 2H), 1.73 (m, 2H). LC-MS: m/z 349.2 (M+H)+.
    • Compound 262—N2-(2-ethoxyethyl)-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00821
  • 1H NMR (METHANOL-d4) δ: 8.46-8.35 (m, 4H), 7.93-7.91 (d, J=6 Hz, 2H), 7.55-7.47 (m, 3H), 4.93-4.63 (m, 3H), 4.63 (br.s., 1H), 3.77-3.70 (m, 4H), 3.62-3.57 (m, 2H), 1.23 (t, J=6.8 Hz, 3H).
  • LC-MS: m/z 336.9 (M+H)+.
    • Compound 263—6-phenyl-N2-(pyridin-4-yl)-N4-(3,3,3-trifluoropropyl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00822
  • 1H NMR (METHANOL-d4) δ: 8.35-8.47 (m, 4H), 7.90-7.93 (m, 2H), 7.46-7.56 (m, 3H), 3.75-3.82 (m, 2H), 2.57-2.65 (m, 2H). LC-MS: m/z 361.0 (M+H)+.
    • Compound 264—N2-(oxetan-2-ylmethyl)-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00823
  • 1H NMR (CDCl3) δ: 8.47 (d, J=5.41 Hz, 2H), 8.36 (m, 2H), 7.63 (m, 2H), 7.52 (t, J=6.84 Hz, 1H), 7.46 (t, J=6.84 Hz, 2H), 7.18 (m, 1H), 6.25-5.92 (m, 1H), 5.09 (m, 1H), 4.65 (m, 2H), 3.87-3.67 (m, 2H), 2.62 (m, 2H). LC-MS: m/z 335.2 (M+H)+.
    • Compound 265—2-methyl-1-(4-phenyl-6-(pyridin-4-ylamino)-1,3,5-triazin-2-ylamino)propan-2-ol
  • Figure US20220348554A1-20221103-C00824
  • 1H NMR (CDCl3) δ: 8.51 (m, 2H), 8.36 (d, J=7.70 Hz, 2H), 7.65 (d, J=4.74 Hz, 2H), 7.55 (t, J=7.70 Hz, 1H), 7.48 (t, J=7.70 Hz, 2H), 7.21 (m, 1H), 5.86 (m, 1H), 3.59 (m, 2H), 1.33 (s, 6H).
  • LC-MS: m/z 337.3 (M+H)+.
    • Compound 271—1-(4-phenyl-6-(pyridin-4-ylamino)-1,3,5-triazin-2-ylamino)propan-2-ol
  • Figure US20220348554A1-20221103-C00825
  • 1H NMR (METHANOL-d4) δ: 9.38-9.44 (m, 2H), 8.54-8.59 (m, 2H), 7.55-7.64 (m, 3H), 7.01-7.05 (m, 2H), 4.00-4.06 (m, 1H), 3.59-3.67 (m, 2H), 1.29-1.30 (d, J=6.4 Hz, 3H). LC-MS: m/z 323.1 (M+H)+.
    • Compound 272—N2-(1-methoxypropan-2-yl)-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00826
  • 1H NMR (METHANOL-d4) δ: 8.39-8.45 (m, 4H), 7.97-8.01 (m, 2H), 7.48-7.50 (m, 3H), 4.35-4.62 (m, 1H), 3.57-3.61 (m, 2H), 3.43 (s, 3H), 1.32-1.33 (d, J=4.0 Hz, 3H). LC-MS: m/z 337.1 (M+H)+.
    • Compound 273—6-phenyl-N2-(pyridin-4-yl)-N4-(tetrahydro-2H-pyran-3-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00827
  • 1H NMR (METHANOL-d4) δ: 9.36-9.41 (m, 2H), 8.53-8.57 (m, 2H), 7.53-7.66 (m, 3H), 7.01-7.05 (m, 2H), 4.17-4.39 (m, 1H), 4.02-4.11 (m, 1H), 3.83-3.91 (m, 1H), 2.10-2.20 (m, 1H), 1.77-1.80 (m, 3H). LC-MS: m/z 349.2 (M+H)+.
    • Compound 274—N2-(2-methoxypropyl)-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00828
  • 1H NMR (METHANOL-d4) δ: 9.29-9.33 (m, 2H), 8.48-8.52 (m, 2H), 7.52-7.61 (m, 3H), 6.98-7.01 (m, 2H), 3.55-3.78 (m, 3H), 3.44 (s, 3H), 1.26-1.27 (d, J=4.0 Hz, 3H). LC-MS: m/z 337.2 (M+H)+.
    • Compound 275—N2-(3-methoxypropyl)-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00829
  • 1H NMR (METHANOL-d4) δ: 8.36-8.41 (m, 4H), 7.93-7.95 (m, 2H), 7.49-7.51 (m, 3H), 3.54-3.60 (m, 4H), 3.38 (s, 3H), 1.95-1.98 (m, 2H). LC-MS: m/z 337.1 (M+H)+.
    • Compound 276—3-(4-phenyl-6-(pyridin-4-ylamino)-1,3,5-triazin-2-ylamino)cyclobutanone
  • Figure US20220348554A1-20221103-C00830
  • 1H NMR (METHANOL-d4) δ: 8.39-8.44 (m, 4H), 7.97 (s, 2H), 7.48-7.56 (m, 3H), 4.70-4.80 (m, 1H), 3.51-3.58 (m, 2H), 3.20-3.30 (m, 2H). LC-MS: m/z 333.0 (M+H)+.
    • Compound 278—2-(4-phenyl-6-(pyridin-4-ylamino)-1,3,5-triazin-2-ylamino)propan-1-ol
  • Figure US20220348554A1-20221103-C00831
  • 1H NMR (METHANOL-d4) δ: 9.28-9.33 (m, 2H), 8.46-8.51 (m, 2H), 7.49-7.54 (m, 3H), 6.95-6.99 (m, 2H), 4.30-4.55 (m, 1H), 3.68-3.72 (m, 2H), 1.34 (t, J=6.8 Hz, 1H). LC-MS: m/z 323.0 (M+H)+.
    • Compound 279—3-methyl-2-(4-phenyl-6-(pyridin-4-ylamino)-1,3,5-triazin-2-ylamino)butan-1-ol
  • Figure US20220348554A1-20221103-C00832
  • 1H NMR (METHANOL-d4) δ: 9.23-9.26 (m, 2H), 8.4 (d, J=8.0 Hz, 2H), 7.41-7.5 (m, 3H), 6.89 (t, J=8.0 Hz, 2H), 4.1-4.3 (m, 1H), 3.6-3.8 (m, 1H), 1.9-2.1 (m, 1H), 0.9-1.1 (m, 6H). LC-MS: m/z 351.1 (M+H)+.
    • Compound 280—N2-cyclohexyl-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00833
  • 1H NMR (METHANOL-d4) δ: 9.34 (t, J=8.0 Hz, 2H), 8.51 (t, J=8.0 Hz, 2H), 7.50-7.63 (m, 3H), 6.98-7.03 (m, 2H), 4.0-4.2 (m, 1H), 2.08 (t, J=12 Hz, 2H), 1.85-1.87 (m, 2H), 1.52-1.53 (m, 1H), 1.28-1.51 (m, 5H). LC-MS: m/z 347.1 (M+H)+.
    • Compound 282—2-(4-phenyl-6-(pyridin-4-ylamino)-1,3,5-triazin-2-ylamino)cyclohexanol
  • Figure US20220348554A1-20221103-C00834
  • 1H NMR (METHANOL-d4) δ: 9.18 (m 2H), 8.32 (m, 3H), 7.46-7.32 (m, 3H), 6.82 (m, 2H), 4.13-4.02 (m, 1H), 3.96-3.90 (m, 1H), 1.71-1.30 (m, 8H). LC-MS: m/z 363.0 (M+H)+.
    • Compound 283—(1S,3R)-3-(4-phenyl-6-(pyridin-4-ylamino)-1,3,5-triazin-2-ylamino)cyclopentanol
  • Figure US20220348554A1-20221103-C00835
  • 1H NMR (DMSO-d6) δ: 9.37-9.22 (m, 2H), 9.18 (m, 2H), 8.88-8.69 (m, 1H), 8.54-8.44 (m, 2H), 7.71-7.57 (m, 3H), 7.04 (d, J=7.85 Hz, 2H), 4.44 (m, 1H), 4.18 (m, 1H), 2.33-1.54 (m, 6H).
  • LC-MS: m/z 49.1 (M+H)+.
    • Compound 284—1-(4-phenyl-6-(pyridin-4-ylamino)-1,3,5-triazin-2-ylamino)cyclobutanecarbonitrile
  • Figure US20220348554A1-20221103-C00836
  • 1H NMR (METHANOL-d4) δ: 8.47 (m, 2H), 8.38 (m, 2H), 7.95 (m, 2H), 7.57 (t, J=6.74 Hz, 1H), 7.50 (t, J=6.74 Hz, 2H), 2.88 (m, 2H), 2.57 (m, 2H), 2.22 (m, 2H). LC-MS: m/z 344.0 (M+H)+.
    • Compound 285—1-(4-phenyl-6-(pyridin-4-ylamino)-1,3,5-triazin-2-ylamino)cyclopropanecarbonitrile
  • Figure US20220348554A1-20221103-C00837
  • 1H NMR (METHANOL-d4) δ: 9.46-9.35 (m, 2H), 8.71-8.55 (m, 2H), 7.70-7.54 (m, 3H), 7.09-7.01 (m, 2H), 1.75 (m, 2H), 1.46 (m, 2H). LC-MS: m/z 330.0 (M+H)+.
    • Compound 286—3,3-dimethyl-2-(4-phenyl-6-(pyridin-4-ylamino)-1,3,5-triazin-2-ylamino)butan-1-ol
  • Figure US20220348554A1-20221103-C00838
  • 1H NMR (METHANOL-d4) δ: 9.43 (m, 2H), 8.59 (m, 2H), 7.67-7.55 (m, 3H), 7.05 (m, 2H), 4.53-4.30 (m, 1H), 4.01 (m, 1H), 3.68 (m, 1H), 1.09 (s, 9H). LC-MS: m/z 365.1 (M+H)+.
    • Compound 291—2-(4-phenyl-6-(pyridin-4-ylamino)-1,3,5-triazin-2-ylamino)butan-1-ol
  • Figure US20220348554A1-20221103-C00839
  • 1H NMR (METHANOL-d4) δ: 9.38 (m, 2H), 8.54 (m, 2H), 7.65-7.51 (m, 3H), 7.01 (m, 2H), 4.37-4.22 (m, 1H), 3.71 (m, 2H), 1.73 (m, 2H), 1.04 (m, 3H). LC-MS: m/z 337.1 (M+H)+.
    • Compound 294—2-(4-phenyl-6-(pyridin-4-ylamino)-1,3,5-triazin-2-ylamino)ethanol
  • Figure US20220348554A1-20221103-C00840
  • 1H NMR (METHANOL-d4) δ: 9.40 (m, 2H), 8.56 (m, 2H), 7.65-7.53 (m, 3H), 7.03 (m, 2H), 3.84-3.72 (m, 4H). LC-MS: m/z 309.0 (M+H)+.
    • Compound 295—N2-((1S,2R,4R)-bicyclo[2.2.1]heptan-2-yl)-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00841
  • 1H NMR (DMSO-d6) δ: 10.03 (br.s., 1H), 8.41-8.31 (m, 4H), 8.03-7.85 (m, 3H), 7.59-7.52 (m, 3H), 4.30-4.10 (m, 1H), 2.33-2.09 (m, 1H), 2.05-1.90 (m, 1H), 1.66-1.19 (m, 8H). LC-MS: m/z 359.2 (M+H)+.
    • Compound 297—N2-(3-oxabicyclo[3.1.0]hexan-6-yl)-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00842
  • 1H NMR (DMSO-d6) δ: 10.10 (br.s., 1H), 8.41-8.38 (m, 4H), 8.32-8.00 (m, 1H), 7.95-7.85 (m, 2H), 7.58-7.53 (m, 3H), 3.97 (m, 2H), 3.73 (m, 2H), 2.70-2.55 (m, 1H), 1.96 (m, 2H). LC-MS: m/z 347.0 (M+H)+.
    • Compound 300—N2-(oxetan-3-ylmethyl)-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00843
  • 1H NMR (METHANOL-d4) δ: 8.38-8.30 (m, 4H), 7.89 (m, 2H), 7.53-7.44 (m, 3H), 4.83 (m, 2H), 4.56 (m, 2H), 3.83 (m, 2H), 3.35 (m, 1H). LC-MS: m/z 335.0 (M+H)+.
    • Compound 304—3-(4-phenyl-6-(pyridin-4-ylamino)-1,3,5-triazin-2-ylamino)cyclohexanol
  • Figure US20220348554A1-20221103-C00844
  • 1H NMR (METHANOL-d4) δ: 8.33-8.44 (m, 4H), 7.90-7.93 (m, 2H), 7.46-7.54 (m, 3H), 3.9-4.2 (m, 1H), 3.6-3.8 (m, 1H), 2.35-2.38 (m, 1H), 1.87-2.06 (m, 3H), 1.26-1.36 (m, 4H). LC-MS: m/z 363.2 (M+H)+.
    • Compound 305—N2-(3-methoxycyclobutyl)-6-phenyl-N4-(pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00845
  • 1H NMR (METHANOL-d4) δ: 9.32-9.38 (m, 2H), 8.49-8.54 (m, 2H), 7.49-7.62 (m, 3H), 6.98-7.01 (m, 2H), 4.2-4.6 (m, 1H), 3.7-4.1 (m, 1H), 3.3 (br. s., 1H), 2.83-2.84 (m, 1H), 2.47-2.50 (m, 1H), 2.36-2.38 (m, 1H), 2.0-2.04 (m, 1H). LC-MS: m/z 349.2 (M+H)+.
  • Example 7. Preparation of Compounds of Formula I Wherein IV and R3 are Taken Together with the Carbon atom to which they are attached to Form C(═O). The compounds of this Example are prepared by general Scheme 7, Procedure 1 or 2, as set forth below.
  • Figure US20220348554A1-20221103-C00846
  • Example 7, step 3 (Procedure 1): Preparation of N2,6-diphenyl-1,3,5-triazine-2,4-diamine. A mixture of 4-chloro-N,6-diphenyl-1,3,5-triazin-2-amine (4.0 g, 0.14 mol) and NH3.H2O (40 mL) in THF (12 mL) was added in a sealed tube. The reaction mixture was stirred at 80° C. for 16 hours. The mixture was extracted with ethyl acetate (50 mL×3). The organic layer was dried over anhydrous Na2SO4 and concentrated to give N2,6-diphenyl-1,3,5-triazine-2,4-diamine as a white solid, which was used in the next step directly without further purification.
    Preparation of Compound 179—Isobutyl 4-phenyl-6-(phenyl-amino)-1,3,5-triazin-2-ylcarbamate (Procedure 1, Step 4, reagent 17). Pyridine (60 mg, 0.76 mmol) was added dropwise to a solution of N2,6-diphenyl-1,3,5-triazine-2,4-diamine (100 mg, 0.38 mmol) in DCM (4 mL) under ice-bath cooling. The mixture was then stirred 0° C. for 15 min, then isobutyl carbonochloridate (63 mg, 0.46 mmol) was added dropwise and the resultant mixture was stirred at rt for 1 hours. The reaction mixture was concentrated and purified by a standard method to give isobutyl 4-phenyl-6-(phenyl-amino)-1,3,5-triazin-2-ylcarbamate.
  • Figure US20220348554A1-20221103-C00847
  • 1H NMR (METHANOL-d4) δ: 8.48 (d, J=7.2 Hz, 2H), 7.82 (br.s., 2H), 7.55-7.46 (m, 3H), 7.36 (br.s., 2H), 7.07 (br.s., 1H), 4.01 (d, J=6.8 Hz, 2H), 2.06-2.00 (m, 1H), 1.01 (d, J=6.8 Hz, 6H).
  • LC-MS: m/z 364.0 (M+H)+
  • Other compounds of one aspect of the invention were similarly prepared using Example 7, Procedure 1, step 4 of this example and the appropriate chloridate 17.
    • Compound 160—isopropyl 4-phenyl-6-(phenylamino)-1,3,5-triazin-2-ylcarbamate
  • Figure US20220348554A1-20221103-C00848
  • 1H NMR (DMSO-d6) δ: 10.48 (br.s., 1H), 10.12 (br.s., 1H), 8.38 (d, J=7.2 Hz, 2H), 8.02 (br.s., 2H), 7.61-7.53 (m, 3H), 7.33 (br.s., 2H), 7.04 (t, J=7.2 Hz, 1H), 4.98 (t, J=6.4 Hz, 1H), 1.30 (d, J=6.0 Hz, 6H). LC-MS: m/z 350.1 (M+H)+
    • Compound 183—N-(4-phenyl-6-(phenylamino)-1,3,5-triazin-2-yl)pivalamide
  • Figure US20220348554A1-20221103-C00849
  • 1H NMR (DMSO-d6) δ: 10.14 (br.s., 1H), 9.95 (br.s., 1H), 8.40 (d, J=6.4 Hz, 2H), 8.02 (br.s., 2H), 7.60-7.55 (m, 3H), 7.33 (br.s., 2H), 7.03 (br.s., 1H), 1.27 (s, 9H). LC-MS: m/z 348.0 (M+H)+
    • Compound 208—Neopentyl 4-phenyl-6-(phenylamino)-1,3,5-triazin-2-ylcarbamate
  • Figure US20220348554A1-20221103-C00850
  • 1H NMR (DMSO-d6) δ: 10.57 (br.s., 1H), 10.12 (br.s., 1H), 8.38 (d, J=7.2 Hz, 2H), 8.02 (br.s., 2H), 7.62-7.52 (m, 3H), 7.32 (t, J=7.2 Hz, 2H), 7.03 (t, J=7.2 Hz, 1H), 3.85 (s, 2H), 0.96 (s, 9H).
  • LC-MS: m/z 378.0 (M+H)+
    • Compound 232—cyclopropylmethyl 4-phenyl-6-(phenylamino)-1,3,5-triazin-2-ylcarbamate
  • Figure US20220348554A1-20221103-C00851
  • 1H NMR (DMSO-d6) δ: 10.46. (br.s., 1H), 10.12 (br.s., 1H), 8.38 (d, J=7.2 Hz, 2H), 8.02 (br.s., 2H), 7.70-7.54 (m, 3H), 7.31 (br.s., 2H), 7.02 (br.s., 1H), 4.00 (d, J=7.2 Hz, 2H), 0.88-0.85 (m, 1H), 0.56 (d, J=7.2 Hz, 2H), 0.35 (d, J=7.2 Hz, 2H). LC-MS: m/z 362.0 (M+H)+
    • Compound 233—N-(4-phenyl-6-(phenylamino)-1,3,5-triazin-2-yl)cyclopropanecarboxamide
  • Figure US20220348554A1-20221103-C00852
  • 1H NMR (DMSO-d6) δ: 10.89. (br.s., 1H), 10.13 (br.s., 1H), 8.37 (d, J=7.2 Hz, 2H), 7.97 (br.s., 2H), 7.62-7.53 (m, 3H), 7.32 (br.s., 2H), 7.04 (t, J=6.8 Hz, 1H), 2.32 (br.s., 1H), 0.90-0.84 (m., 4H). LC-MS: m/z 332.1 (M+H)+
    • Compound 347—N-(4-phenyl-6-(phenylamino)-1,3,5-triazin-2-yl)-1H-pyrazole-5-carboxamide
  • Figure US20220348554A1-20221103-C00853
  • 1H NMR (METHANOL-d4) δ: 8.37 (d, J=7.2 Hz, 2H), 7.75 (br.s., 2H), 7.72 (s, 1H), 7.51-7.42 (m, 3H), 7.31 (t, J=7.6 Hz, 2H), 7.03 (t, J=7.2 Hz, 1H), 6.89 (s, 1H). LC-MS: m/z 358.1 (M+H)+
    • Compound 412—1-hydroxy-N-(4-phenyl-6-(phenylamino)-1,3,5-triazin-2-yl)cyclopropanecarboxamide
  • Figure US20220348554A1-20221103-C00854
  • 1H NMR (METHANOL-d4) δ: 8.36 (d, J=7.2 Hz, 2H), 7.60-7.89 (m, 2H), 7.48-7.39 (m, 3H), 7.29 (br.s., 2H), 7.25 (br.s., 2H), 1.29 (q, J=4.8 Hz, 2H), 1.06 (q, J=4.4 Hz, 2H). LC-MS: m/z 347.9 (M+H)+
    • Compound 413—5-oxo-N-(4-phenyl-6-(phenylamino)-1,3,5-triazin-2-yl)pyrrolidine-2-carboxamide
  • Figure US20220348554A1-20221103-C00855
  • H NMR (METHANOL-d4) δ: 8.33 (d, J=7.6 Hz, 2H), 7.73 (d, J=8.2 Hz, 2H), 7.53-7.43 (m, 3H), 7.31 (t, J=7.6 Hz, 2H), 7.03 (t, J=6.9 Hz, 1H), 4.12-4.08 (m, 1H), 2.44-2.25 (m, 3H), 2.18-2.10 (m, 1H). LC-MS: m/z 375.2 (M+H)+
    • Compound 415—N-(4-phenyl-6-(phenylamino)-1,3,5-triazin-2-yl)tetrahydrofuran-3-carboxamide
  • Figure US20220348554A1-20221103-C00856
  • 1H NMR (METHANOL-d4) δ: 8.24 (d, J=7.6 Hz, 2H), 7.55-7.37 (m, 6H), 7.25 (d, J=7.2 Hz, 2H), 4.13-4.06 (m, 3H), 3.96 (q, J=8.0 Hz, 1H), 3.36 (q, J=7.26 Hz, 1H), 2.40-2.20 (m, 2H).
  • LC-MS: m/z 362.2 (M+H)+
  • Preparation of Compound 414—1H-Pyrrole-2-carboxylic acid (4-phenyl-6-phenylamino-[1,3,5]triazin-2-yl)-amide (Procedure 1, step 4 reagent 18). To a solution of (4-amino-6-phenyl-[1,3,5]-triazin-2-yl)-phenyl-amine (210.6 mg, 0.8 mmol) in DCE (4 mL) was added Me3Al (1 mL, 2.0 mmol) at 0° C. The mixture was stirred for 50 mins, warmed up to room temperature and 1H-Pyrrole-2-carboxylic acid methyl ester (50 mg, 0.4 mmol) was added. The mixture was stirred for 48 hr at 80° C. The reaction mixture was diluted with H2O (5 mL) and extracted with EtOAc (5 mL×3). The combined organic layers were dried over Na2SO4 and concentrated to give a crude residue, which was purified by a standard method to give 1H-pyrrole-2-carboxylic acid (4-phenyl-6-phenyl-amino-[1,3,5]triazin-2-yl)-amide.
  • Figure US20220348554A1-20221103-C00857
  • 1H NMR (METHANOL-d4) δ: 8.39 (d, J=7.2 Hz, 1H), 7.75 (br.s., 2H), 7.48-7.40 (m, 3H), 7.29 (t, J=7.2 Hz, 2H), 7.07 (d, J=2.8 Hz, 1H), 6.99 (s, 2H), 6.18 (t, J=3.6 Hz, 1H). LC-MS: m/z 357.0 (M+H)+
  • Other compounds of one aspect of the invention were similarly prepared using Example 7, Procedure 1, step 4 of this example, trimethylaluminum, and the appropriate ester 18.
    • 2-oxo-N-(4-phenyl-6-(phenylamino)-1,3,5-triazin-2-yl)propanamide
  • Figure US20220348554A1-20221103-C00858
  • 1H NMR (DMSO-d6) δ: 11.30 (s, 1H), 10.34 (s, 1H), 8.24 (d, J=6.4 Hz, 2H), 7.82 (d, J=8.4 Hz, 2H), 7.65-7.50 (m, 3H), 7.38 (br.s., 2H), 7.11 (t, J=7.2 Hz, 1H), 2.39 (br.s., 3H). LC-MS: m/z 334.2 (M+H)+.
  • Preparation of Compound 416—Tert-butyl 4-phenyl-6-(phenylamino)-1,3,5-triazin-2-ylcarbamate Example 7, (Procedure 2). A mixture of 4-chloro-N,6-diphenyl-1,3,5-triazin-2-amine (141 mg, 0.5 mmol), tert-butyl carbamate (69.6 mg, 0.6 mmol), Pd(AcO)2 (24 mg, 0.05 mmol), X-phos (67.3 mg, 0.1 mmol) and Cs2CO3 (326 mg, 1 mmol) in dioxane (5 mL) was purged with N2 for 5 minutes. Then the mixture was heated to 80° C. for 2 hours. The reaction mixture was filtered. The filtrate was concentrated and purified by a standard method to give tert-butyl 4-phenyl-6-(phenylamino)-1,3,5-triazin-2-ylcarbamate.
  • Figure US20220348554A1-20221103-C00859
  • 1H NMR (DMSO-d6) δ: 10.24. (br.s., 1H), 10.07 (br.s., 1H), 8.38 (d, J=6.8 Hz, 2H), 7.99 (br.s., 2H), 7.62-7.53 (m, 3H), 7.31 (br.s., 2H), 7.04 (t, J=6.8 Hz, 1H), 1.51 (s, 9H). LC-MS: m/z 364.2 (M+H)+.
  • Other compounds of one aspect of the invention were similarly prepared using Example 7, Procedure 2 of this example and the appropriate amine 19.
    • Compound 181—ethyl 4-phenyl-6-(phenylamino)-1,3,5-triazin-2-ylcarbamate
  • Figure US20220348554A1-20221103-C00860
  • 1H NMR (DMSO-d6) δ: 10.58. (br.s., 1H), 10.12 (br.s., 1H), 8.37 (d, J=6.8 Hz, 2H), 8.05. (br.s., 2H), 7.60-7.52 (m, 3H), 7.32 (br.s., 2H), 7.04 (t, J=7.6 Hz, 1H), 4.20 (q, J=6.8 Hz, 2H), 1.27 (t, J=6.8 Hz, 1H). LC-MS: m/z 336.2 (M+H)+.
    • Compound 182—1,1-dimethyl-3-(4-phenyl-6-(phenylamino)-1,3,5-triazin-2-yl)urea
  • Figure US20220348554A1-20221103-C00861
  • 1H NMR (DMSO-d6) δ: 9.59. (br.s., 1H), 9.35 (br s., 1H), 8.34 (d, J=7.2 Hz, 2H), 7.86 (d, J=8.0 Hz, 2H), 7.58-7.51 (m, 3H), 7.31 (t, J=7.2 Hz, 2H), 7.02 (t, J=7.2 Hz, 1H), 2.97 (s, 6H).
  • LC-MS: m/z 335.0 (M+H)+
    • Compound 207-1-ethyl-3-(4-phenyl-6-(phenylamino)-1,3,5-triazin-2-yl)urea
  • Figure US20220348554A1-20221103-C00862
  • 1H NMR (DMSO-d6) δ: 10.10. (br.s., 1H), 9.84 (br.s., 1H), 8.30 (d, J=6.9 Hz, 2H), 7.73 (br.s., 2H), 7.63-7.53 (m, 3H), 7.38 (br.s., 2H), 7.11 (t, J=7.2 Hz, 1H), 3.33 (br.s., 2H), 1.11 (br.s., 3H).
  • LC-MS: m/z 335.2 (M+H)+
    • Compound 209—N-(4-phenyl-6-(phenylamino)-1,3,5-triazin-2-yl)propionamide
  • Figure US20220348554A1-20221103-C00863
  • 1H NMR (DMSO-d6) δ: 10.53. (br.s., 1H), 10.10 (br.s., 1H), 8.36 (d, J=6.9 Hz, 2H), 7.96 (br.s., 2H), 7.62-7.53 (m, 3H), 7.33 (t, J=7.2 Hz, 2H), 7.04 (t, J=7.2 Hz, 1H), 2.66-2.62 (m, 2H), 1.08 (t, J=7.6 Hz, 3H). LC-MS: m/z 320.2 (M+H)+
    • Compound 243—N-(4-phenyl-6-(phenylamino)-1,3,5-triazin-2-yl)tetrahydrofuran-2-carboxamide
  • Figure US20220348554A1-20221103-C00864
  • 1H NMR (DMSO-d6) δ: 10.21. (br.s., 2H), 8.38 (d, J=7.6 Hz, 2H), 8.00 (br.s., 2H), 7.63-7.53 (m, 3H), 7.34 (br.s., 2H), 7.06 (t, J=7.2 Hz, 1H), 4.69 (br.s., 1H), 3.95-3.82 (m., 1H), 4.01-3.97 (m., 1H), 2.32-2.19 (m., 1H), 2.03-1.85 (m., 3H). LC-MS: m/z 362.0 (M+H)+
    • Compound 244—2-isopropoxy-N-(4-phenyl-6-(phenylamino)-1,3,5-triazin-2-yl)acetamide
  • Figure US20220348554A1-20221103-C00865
  • 1H NMR (DMSO-d6) δ: 10.35. (br.s., 1H), 10.20 (br.s., 1H), 8.37 (d, J=7.2 Hz, 2H), 7.92 (br.s., 2H), 7.62-7.54 (m, 3H), 7.35 (br.s., 2H), 7.08 (t, J=7.2 Hz, 1H), 4.37 (s, 2H), 3.70-3.67 (m., 1H), 1.15 (d, J=6.0 Hz, 6H). LC-MS: m/z 364.0 (M+H)+
    • Compound 324—2-hydroxy-N-(4-phenyl-6-(phenylamino)-1,3,5-triazin-2-yl)propanamide
  • Figure US20220348554A1-20221103-C00866
  • 1H NMR (DMSO-d6) δ: 10.28. (br.s., 1H), 10.05. (br.s., 1H), 8.39 (d, J=7.2 Hz, 2H), 8.09 (br.s., 2H), 7.63-7.55 (m, 3H), 7.36 (br.s., 2H), 7.05 (br.s., 1H), 5.88 (br.s., 1H), 4.38-4.35 (m, 1H), 1.35 (d, J=6.8 Hz, 3H). LC-MS: m/z 335.9 (M+H)+
    • Compound 348—2-hydroxy-N-(4-phenyl-6-(phenylamino)-1,3,5-triazin-2-yl)acetamide
  • Figure US20220348554A1-20221103-C00867
  • 1H NMR (METHANOL-d4) δ: 8.44 (d, J=7.6 Hz, 2H), 7.74 (br.s., 2H), 7.60-7.49 (m, 3H), 7.38 (t, J=7.6 Hz, 2H), 7.12 (t, J=7.6 Hz, 1H), 4.94 (s, 2H). LC-MS: m/z 322.1 (M+H)+
  • Additional compounds of Formula I that were prepared according to Example 1, step 3, Procedure C using the appropriate reagent 4 are as follows:
    • Compound 450—methyl 4-((4-(isopropylamino)-6-phenyl-1,3,5-triazin-2-yl)amino)picolinate
  • Figure US20220348554A1-20221103-C00868
  • 1H NMR (METHANOL-d4) δ 9.08-8.74 (d, 1H), 8.49-8.43 (m, 3H), 8.13-7.83 (m, 1H), 7.56-7.48 (m, 3H), 4.37-4.34 (m, 1H), 4.02 (s, 3H0, 1.35-1.30 (m, 6H). LC-MS: m/z 365.2 (M+H)+
    • Compound 451—2-(4-((4-(isopropylamino)-6-phenyl-1,3,5-triazin-2-yl)amino)pyridin-2-yl)propan-2-ol
  • Figure US20220348554A1-20221103-C00869
  • 1H NMR (METHANOL-d4) δ 8.48-8.23 (m, 4H), 7.72-7.63 (m, 1H), 7.56-7.44 (m, 3H), 4.48-4.28 (m, 1H), 1.57 (s, 6H), 1.30 (d, 6H). LC-MS: m/z 365.2 (M+H)+
    • Compound 452—N2-isopropyl-N4-(4-(methylsulfonyl)phenyl)-6-phenyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00870
  • 1H NMR (METHANOL-d4) δ 8.41-8.31 (m, 2H), 7.91-7.88 (m, 4H), 7.63-7.45 (m, 4H), 5.51-5.08 (m, 1H), 4.48-4.19 (m, 1H), 3.05 (s, 3H), 1.30 (d, 6H). LC-MS: m/z 384.2 (M+H)+
  • Additional compounds of Formula I were prepared according to Scheme 2 using the appropriate reagents are as follows:
    • Compound 453—6-(3,6-Difluoro-pyridin-2-yl)-N-isopropyl-N′-(3-methanesulfonyl-phenyl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00871
  • 1H NMR (METHANOL-d4) δ 8.90-8.40 (m, 1H), 8.13-8.11 (m, 1H), 7.82-7.80 (m, 2H), 7.71-7.67 (m, 1H), 7.59-7.57 (m, 1H), 4.42 (m, 1H), 3.16 (s, 1H), 1.37-1.36 (d, J=6.8 Hz, 6H). LC-MS: m/z 421.2 (M+H)+.
    • Compound 455—N-(3,5-Difluoro-phenyl)-N′-isopropyl-6-(4-trifluoromethyl-pyrimidin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00872
  • 1H NMR (DMSO-d6) δ 10.39-10.42 (m, 1H), 9.36-9.38 (m, 1H), 8.19-8.34 (m, 2H), 7.68-7.71 (m, 2H), 6.79-6.84 (m, 1H), 4.10-4.15 (m, 1H), 1.18-1.23 (m, 6H). LC-MS: m/z 412.3 (M+H)+.
    • Compound 456—N-(5-Fluoro-pyridin-3-yl)-6-(3-fluoro-pyridin-2-yl)-N′-isopropyl-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00873
  • 1H NMR (METHANOL-d4) δ 8.70 (s, 1H), 8.61-8.40 (m, 1H), 8.15-8.10 (m, 2H), 7.87-7.83 (m, 1H), 7.71-7.67 (m, 1H), 4.31-4.27 (m, 1H), 1.35-1.27 (m, 6H). LC-MS: m/z 344.2 (M+H)+.
    • Compound 458—6-(4-Amino-pyrimidin-2-yl)-N-(3,5-difluoro-phenyl)-N′-isopropyl-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00874
  • 1H NMR (METHANOL-d4) δ (s, 1H), 7.50-7.52 (d, J=8.8 Hz, 2H), 6.58-6.67 (m, 2H), 4.23-4.55 (m, 1H), 1.25-1.34 (m, 6H). LC-MS: m/z 359.0 (M+H)+.
    • Compound 459—N-(3,5-Difluoro-phenyl)-6-(3-fluoro-pyridin-2-yl)-N′-isopropyl-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00875
  • 1H NMR (METHANOL-d4) δ 8.54-8.53 (d, 1H), 7.82-7.78 (m, 1H), 7.66-7.61 (m, 1H), 7.55-7.50 (m, 2H), 6.60-6.53 (m, 1H), 4.39-4.24 (m, 1H), 1.34-1.23 (m, 6H). LC-MS: m/z 361.2 (M+H)+.
    • Compound 460—N-(3,5-Difluoro-phenyl)-6-(3,6-difluoro-pyridin-2-yl)-N′-isopropyl-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00876
  • 1H NMR (METHANOL-d4) δ 8.03-7.97 (m, 1H), 7.51-7.49 (m, 2H), 7.41-7.30 (m, 1H), 6.68-6.64 (m, 1H), 4.31-4.24 (m, 1H), 1.35-1.27 (m, 6H). LC-MS: m/z 379.1 (M+H)+.
    • Compound 461—N-(3,5-Difluoro-phenyl)-6-(3-fluoro-6-methoxy-pyridin-2-yl)-N′-isopropyl-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00877
  • 1H NMR (METHANOL-d4) δ 7.83-7.79 (m, 1H), 7.54-7.51 (m, 2H), 7.22-7.19 (m, 1H), 6.78 (m, 1H), 4.35-4.31 (m, 1H), 4.08 (s, 3H), 1.39-1.31 (m, 6H). LC-MS: m/z 391.3 (M+H)+.
    • Compound 462—6-(6-Amino-pyridin-2-yl)-N-(6-fluoro-pyridin-3-yl)-N′-isopropyl-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00878
  • 1H NMR (METHANOL-d4) δ 8.65-8.58 (m, 1H), 8.50-8.30 (m, 1H), 8.20-7.61 (m, 2H), 7.20-6.90 (m, 2H), 4.60-4.20 (m, 1H), 1.30 (d, 6H). LC-MS: m/z 340.9 (M+H)+.
    • Compound 463—N-(3,5-Difluoro-phenyl)-N′-isopropyl-6-(6-prop-1-ynyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00879
  • 1H NMR (METHANOL-d4) δ 8.39-8.34 (m, 1H), 7.94-7.90 (t, 1H), 7.60-7.52 (m, 3H), 6.62-6.57 (m, 1H), 4.50-4.24 (m, 1H), 2.12 (s, 3H), 1.34-1.29 (m, 6H). LC-MS: m/z 380.9 (M+H)+.
    • Compound 464—N-(3,5-Difluoro-phenyl)-N′-isopropyl-6-(6-methylamino-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00880
  • 1H NMR (METHANOL-d4) δ 7.72-7.67 (m, 1H), 7.63-7.52 (m, 3H), 6.68-6.65 (d, 1H), 6.60-6.56 (m, 1H), 4.36-4.16 (m, 2H), 2.98 (s, 3H). LC-MS: m/z 441.9 (M+H)+.
    • Compound 465—N-(3,5-Difluoro-phenyl)-6-(6-methylamino-pyridin-2-yl)-N′-(2,2,2-trifluoro-ethyl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00881
  • 1H NMR (METHANOL-d4) δ 8.00-7.85 (m, 1H), 7.84-7.78 (m, 1H), 7.50-7.45 (m, 1H), 7.19-7.17 (m, 1H), 6.68-6.60 (m, 1H), 4.26-4.23 (m, 1H), 3.14-3.12 (d, 3H), 1.33-1.28 (m, 6H). LC-MS: m/z 372.3 (M+H)+.
    • Compound 466—6-(2,6-difluorophenyl)-N2-isopropyl-N4-(3-(methylsulfonyl)phenyl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00882
  • 1H NMR (METHANOL-d4): δ 9.0-8.4 (m, 1.0H), 8.05-7.75 (m, 1H), 7.75-7.4 (m, 3H), 7.15-7.05 (m, 2H), 4.45-4.1 (m, 1H), 3.15 (s, 3H), 1.3 (d, J=6.4, 6H).
  • LC-MS: m/z 419.8 (M+H)+.
    • Compound 467—N-(3-Fluoro-phenyl)-N′-isopropyl-6-(6-prop-1-ynyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00883
  • 1H NMR (METHANOL-d4) δ 8.33-8.31 (m, 1H), 7.92-7.82 (m, 2H), 7.58-7.56 (m, 1H), 7.40-7.30 (m, 2H), 6.78-6.76 (m, 1H), 4.25-4.22 (m, 1H), 2.10 (s, 3H), 1.33-1.28 (m, 6H). LC-MS: m/z 363.2 (M+H)+.
    • Compound 468—6-(6-Amino-pyridin-2-yl)-N-isopropyl-N′-(5-trifluoromethyl-pyridin-3-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00884
  • 1H NMR (METHANOL-d4) δ 9.21 (s, 2H), 8.48 (s, 1H), 7.70-7.58 (m, 2H), 6.74-6.72 (m, 1H), 4.22 (m, 1H), 1.31-1.29 (d, J=8.0 Hz, 6H). LC-MS: m/z 391.3 (M+H)+.
    • Compound 469—6-[4-(3,5-Difluoro-phenylamino)-6-isopropylamino-[1,3,5]triazin-2-yl]-5-fluoro-pyridin-2-ol
  • Figure US20220348554A1-20221103-C00885
  • 1H NMR (METHANOL-d4) δ 7.71-7.65 (m, 2H), 7.49-7.47 (m, 2H), 6.77-6.72 (m, 1H), 6.55-6.53 (m, 1H), 4.40-4.18 (m, 1H), 1.30-1.25 (m, 6H). LC-MS: m/z 377.2 (M+H)+.
    • Compound 470—6-(6-Amino-pyridin-2-yl)-N-(5-fluoro-pyridin-3-yl)-N′-isopropyl-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00886
  • 1H NMR (METHANOL-d4) δ 9.38-9.35 (m, 1H), 8.77-8.63 (m, 2H), 8.09-7.86 (m, 2H), 7.25-7.22 (m, 1H), 4.28-4.25 (m, 1H), 1.34 (dd, 6H) LC-MS: m/z 341.1 (M+H)+.
    • Compound 471—N-(3-Fluoro-phenyl)-N′-isopropyl-6-(2-methyl-oxazol-4-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00887
  • 1H NMR (METHANOL-d4) δ 8.46-8.43 (m, 1H), 7.85-7.82 (m, 1H), 7.40-7.27 (m, 2H), 6.78-6.74 (m, 1H), 4.25-4.22 (m, 1H), 2.57 (s, H), 1.29 (dd, J=13.2 Hz, 6.4 Hz, 6H). LC-MS: m/z 329.2 (M+H)+.
    • Compound 472—N-(3-Fluoro-phenyl)-N′-isopropyl-6-(5-methyl-isoxazol-3-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00888
  • 1H NMR (METHANOL-d4) δ 7.87-7.82 (m, 1H), 7.41-7.38 (m, 1H), 7.34-7.26 (m, 1H), 6.77-6.68 (m, 2H), 4.38-4.21 (m, 1H), 2.53 (s, H), 1.29 (dd, J=10.8 Hz, 6.8 Hz, 6H). LC-MS: m/z 329.3 (M+H)+.
    • Compound 473—6-(2,6-Difluoro-phenyl)-N-(3-fluoro-phenyl)-N′-isopropyl-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00889
  • 1H NMR (METHANOL-d4) δ 6.98-6.97 (m, 1H), 6.69-6.54 (m, 3H), 6.28-6.23 (m, 2H), 5.92 (m, 1H), 3.47-3.44 (m, 1H), 0.49 (d, 6H) LC-MS: m/z 359 (M+H)+.
    • Compound 474—6-(2,6-Difluoro-phenyl)-N-(5-fluoro-pyridin-3-yl)-N′-isopropyl-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00890
  • 1H NMR (METHANOL-d4) δ 9.23-9.01 (m, 1H), 8.78-8.43 (m, 2H), 7.63-7.61 (m, 1H), 7.20-7.16 (m, 2H), 4.31-4.20 (m, 1H), 1.33 (d, 6H) LC-MS: m/z 361.1 (M+H)+.
    • Compound 475—N-(3-Fluoro-phenyl)-N′-isopropyl-6-(4-trifluoromethyl-thiazol-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00891
  • 1H NMR (METHANOL-d4) δ 8.71 (s, 1H), 8.24 (d, J=7.6 Hz, 1H), 8.00-7.86 (m, 1H), 7.52-7.50 (m, 1H), 7.36-7.27 (m, 1H), 4.25-4.08 (m, 1H), 1.21 (d, J=6.4 Hz, 6H). LC-MS: m/z 399.0 (M+H)+.
    • Compound 476—N-(3,5-Difluoro-phenyl)-N′-isopropyl-6-(2-methyl-oxazol-4-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00892
  • 1H NMR (METHANOL-d4) δ 8.67 (br, 1H), 7.42 (d, J=9.2 Hz, 2H), 6.77-6.72 (m, 1H), 4.28-4.23 (m, 1H), 2.56 (s, 3H), 1.28 (d, J=9.6 Hz, 6H). LC-MS: m/z 347.1 (M+H)+.
    • Compound 477—6-(6-amino-3-fluoropyridin-2-yl)-N2-(3,5-difluorophenyl)-N4-isopropyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00893
  • 1H NMR (METHANOL-d4) δ 7.55-7.45 (m, 2H), 7.45-7.35 (m, 1H), 7.0-6.9 (m, 1H), 6.65-6.5 (m, 1H), 4.4-4.15 (m, 1H), 1.4-1.25 (m, 6H). LC-MS: m/z 376.2 (M+H)+.
    • Compound 478—6-(4-Amino-pyrimidin-2-yl)-N-cyclopropylmethyl-N′-(3,5-difluoro-phenyl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00894
  • 1H NMR (METHANOL-d4) δ 8.26-8.25 (d, J=5.6 Hz, 1H), 7.532-7.490 (m, 2H), 6.66-6.57 (m, 2H), 3.43-3.23 (m, 2H), 1.16-1.18 (m, 1H), 0.58-0.51 (m, 2H), 0.34-0.29 (m, 2H). LC-MS: m/z 371.2 (M+H)+.
    • Compound 479—6-(4-Amino-pyrimidin-2-yl)-N-tert-butyl-N′-(3,5-difluoro-phenyl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00895
  • 1H NMR (METHANOL-d4) δ 8.28-8.26 (d, J=5.2 Hz, 1H), 7.49-7.47 (d, J=8 Hz, 2H), 6.66-6.60 (m, 2H), 1.54 (s, 9H). LC-MS: m/z 373.2 (M+H)+.
    • Compound 480—6-(4-Amino-pyrimidin-2-yl)-N-(3,5-difluoro-phenyl)-N′-(2,2,2-trifluoro-ethyl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00896
  • 1H NMR (METHANOL-d4) δ 8.29-8.26 (m, 1H), 7.55-7.44 (m, 2H), 6.67-6.59 (m, 2H), 4.44-4.20 (m, 2H). LC-MS: m/z 399.2 (M+H)+.
    • Compound 481—6-(4-amino-6-(trifluoromethyl)pyrimidin-2-yl)-N2-(3,5-difluorophenyl)-N4-isopropyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00897
  • 1H NMR (METHANOL-d4) δ 7.53 (d, J=8.0 Hz, 2H), 6.98 (s, 1H), 6.63-6.55 (m, 1H), 4.50-4.23 (m, 1H), 1.34 (d, J=6.2 Hz, 6H). LC-MS: m/z 427.1 (M+H)+.
    • Compound 482—6-(2-Amino-pyrimidin-4-yl)-N-(3,5-difluoro-phenyl)-N′-isopropyl-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00898
  • 1H NMR (METHANOL-d4) δ 8.47-8.46 (m, 1H), 7.60-7.48 (m, 3H), 4.26-4.22 (m, 1H), 1.33-1.26 (m, 6H). LC-MS: m/z 372.3 (M+H)+.
    • Compound 483—6-(4,6-dichloropyridin-2-yl)-N2-isopropyl-N4-(3-(methylsulfonyl)phenyl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00899
  • 1H NMR (DMSO-d6) δ 10.40 (br, 1H), 8.88 (s, 1H), 8.34-8.18 (m, 2H), 7.99 (s, 1H), 7.81-7.79 (m, 1H), 7.56-7.53 (m, 2H), 4.23 (br, 1H), 3.18 (m, 3H), 1.20 (s, 6H). LC-MS: m/z 475.0 (M+H)+.
    • Compound 484—6-(3-fluoro-6-(trifluoromethyl)pyridin-2-yl)-N2-isopropyl-N4-(3-(methylsulfonyl)phenyl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00900
  • 1H NMR (METHANOL-d4) δ 8.52 (s, 1H), 8.03-7.95 (m, 2H), 7.79 (br, 1H), 7.61-7.53 (m, 2H), 4.36-4.28 (m, 1H), 3.11 (d, 3H), 1.31-1.21 (m, 6H). LC-MS: m/z 471.1 (M+H)+.
    • Compound 485—6-(6-amino-4-chloropyridin-2-yl)-N2-(3,5-difluorophenyl)-N4-isopropyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00901
  • 1H NMR (METHANOL-d4) δ 7.66 (s, 1H), 7.49-7.47 (d, 2H), 6.73 (s, 1H), 6.57-6.50 (m, 1H), 4.47-4.09 (m, 1H), 1.35-1.26 (m, 6H). LC-MS: m/z 392.1 (M+H)+.
    • Compound 486—6-(4-chloro-6-methoxypyridin-2-yl)-N2-(3,5-difluorophenyl)-N4-isopropyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00902
  • 1H NMR (METHANOL-d4) δ 8.05 (s, 1H), 7.52 (br, 2H), 7.00 (s, 1H), 6.58-6.52 (m, 1H), 4.40-4.21 (m, 1H), 4.07 (s, 3H), 1.31-1.29 (d, 6H). LC-MS: m/z 407.1 (M+H)+.
    • Compound 487—(2-(4-((3,5-difluorophenyl)amino)-6-(isopropylamino)-1,3,5-triazin-2-yl)-6-(trifluoromethyl)pyridin-4-yl)methanol
  • Figure US20220348554A1-20221103-C00903
  • 1H NMR (METHANOL-d4) δ 8.66 (s, 1H), 7.92 (s, 1H), 7.54-7.52 (d, J=8 Hz, 2H), 6.60-6.54 (m, 1H), 4.83 (s, 2H), 4.47-4.22 (m, 1H), 1.33-1.31 (d, J=6.4 Hz, 6H). LC-MS: m/z 441.1 (M+H)+.
    • Compound 488—6-(6-(1,1-difluoroethyl)-4-fluoropyridin-2-yl)-N2-isopropyl-N4-(3-(methylsulfonyl)phenyl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00904
  • 1H NMR (METHANOL-d4) δ 8.95 (m, 1H), 8.3 (m, 1H), 7.75 (m, 1H), 7.6-7.5 (m, 3H), 4.4 (m, 1H), 3.15 (s, 3H), 2.2-2.0 (m, 3H), 1.4-1.3 (m, 6H).
    • Compound 489—6-(6-amino-4-fluoropyridin-2-yl)-N2-(3,5-difluorophenyl)-N4-isopropyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00905
  • 1H NMR (DMSO) δ 10.15 (m, 1H), 8.0 (m, 1H), 7.7-7.5 (m, 2H), 7.2 (m, 1H), 6.75 (m, 1H) 6.36 (m, 1H), 6.26 (m, 2H), 4.4-4.0 (m, 1H), 1.2 (m, 6H).
    • Compound 490—(2-chloro-6-(4-((3,5-difluorophenyl)amino)-6-(isopropylamino)-1,3,5-triazin-2-yl)pyridin-4-yl)methanol
  • Figure US20220348554A1-20221103-C00906
  • 1H NMR (METHANOL-d4) δ 10.28-10.24 (m, 1H), 8.29 (s, 1H), 8.16-7.88 (m, 1H), 7.71-7.54 (m, 2H), 7.54-7.53 (d, 1H), 6.80-6.72 (m, 1H), 5.63-5.60 (q, 2H), 4.63-4.61 (m, 1H), 4.33-4.05 (m, 1H), 1.21-1.19 (d, 6H). LC-MS: m/z 407.1 (M+H)+.
    • Compound 491—6-(6-aminopyridin-2-yl)-N2-(3,5-difluorophenyl)-N4-(2,2,2-trifluoroethyl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00907
  • 1H NMR (METHANOL-d4) δ 8.10-8.07 (m, 1H), 7.93-7.86 (m, 1H), 7.54-7.41 (m, 2H), 7.25-7.22 (m, 1H), 6.69-6.65 (m, 1H), 4.42-4.25 (m, 2H). LC-MS: m/z 398.2 (M+H)+.
    • Compound 492—6-(6-aminopyridin-2-yl)-N2-(3-fluorophenyl)-N4-isopropyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00908
  • 1H NMR (METHANOL-d4) δ 8.04-8.00 (m, 1H), 7.83 (br, 2H), 7.40-7.37 (m, 1H), 7.33-7.28 (m, 1H), 7.18-7.16 (m, 1H), 6.79 (t, 1H), 4.51-4.25 (m, 1H), 1.29 (d, 6H). LC-MS: m/z 340.2 (M+H)+.
    • Compound 493—6-(6-amino-3-fluoropyridin-2-yl)-N2-(tert-butyl)-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Step 1: Preparation of (E)-2-(tert-butyl)-1-(diaminomethylene)guanidine. To a mixture of 1-phenyl-2-cyanoguanidine (10 g, 0.119 mol) in ethanol/water (176.5 mL/70.6 mL) was added CuSO4.5H2O (14.9 g, 0.059 mol), followed by 2-methylpropan-2-amine (11.3 g, 0.155 mol). The mixture was heated to reflux for 16 hours. To the mixture was added water (137 mL) and aq.HCl (59.5 mL in 100 mL of water) at 25-30° C. The resultant mixture was stirred at r.t. for 30 min. Then Na2S (47.6 g in 100 mL of water) was added and stirred for another 30 min. The insoluble CuS was filtered off. The filtrate was cooled to 10° C. and added aqueous NaOH (27 g NaOH in 100 mL water) dropwise. The mixture was extracted with dichloromethane (100 mL×3). The aqueous layer was concentrated and the residue was added dichloromethane (200 mL) and the mixture was stirred for 1 hour and the mixture was filtrated. The filtrated was concentrated to give (E)-2-(tert-butyl)-1-(diaminomethylene)guanidine as a brown solid.
  • Figure US20220348554A1-20221103-C00909
  • 1H NMR (CDCl3) δ 1.32-1.37 (m, 9H).
  • Step 2: Preparation of N2-(tert-butyl)-6-(3,6-difluoropyridin-2-yl)-1,3,5-triazine-2,4-diamine. The mixture of (E)-2-(tert-butyl)-1-(diaminomethylene) guanidine (1.2 g, 7.6 mmol), methyl 3,6-difluoropicolinate (1.3 g, 7.6 mol) and MeONa (0.9 g, 15.2 mol) in MeOH (25 mL) was stirred for 5 hours at r.t. TLC showed the reaction was completed. The mixture was poured into water (15 mL), extracted with EA (50 mL) for 3 times. The combine organic layer was dried, concentrated and purified by Prep-HPLC to give N2-(tert-butyl)-6-(3,6-difluoropyridin-2-yl)-1,3,5-triazine-2,4-diamine as a white solid.
  • Figure US20220348554A1-20221103-C00910
  • 1H NMR (CDCl3) δ 7.5 (m, 1H), 7.0 (m, 1H), 5.4 (B, 1H), 5.1-5.2 (br s, 2H), 4.4 (m, 9H).
    • Step 3: Preparation of N2-(tert-butyl)-6-(3,6-difluoropyridin-2-yl)-N4-(2-(trifluoromethyl) pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00911
  • To the mixture of N2-(tert-butyl)-6-(3,6-difluoropyridin-2-yl)-1,3,5-triazine-2,4-diamine (0.4 g, 1.4 mmol), 4-chloro-2-(trifluoromethyl)pyridine (0.31 g, 1.7 mmol), Cs2CO3 (0.7 g, 2.1 mmol) and X-phos (0.048 g, 0.07 mmol) in dioxane (10 mL) was added Pd(OAc)2 under N2 protection. The reaction mixture was heated to 80 deg and stirred for 2 hours. TLC showed the reaction was completed. the reaction mixture was added water (10 mL), extracted with EA (100 mL) for 3 times. The combine organic layer was dried and concentrated. The residue was purified by a standard method to give N2-(tert-butyl)-6-(3,6-difluoropyridin-2-yl)-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine.
  • Figure US20220348554A1-20221103-C00912
  • 1H NMR (CDCl3) δ 8.6-8.4 (m, 2H), 7.65 (m, 1H), 7.5-7.4 (m, 2H), 7.1 (m, 1H), 5.7 (m, 1H), 1.45 (m, 9H).
    • Step 4: Preparation of 6-(6-amino-3-fluoropyridin-2-yl)-N2-(tert-butyl)-N4-(2-(trifluoromethyl) pyridin-4-yl)-1,3,5-triazine-2,4-diamine—Compound 494
  • Figure US20220348554A1-20221103-C00913
  • To the solution of N2-(tert-butyl)-6-(3,6-difluoropyridin-2-yl)-N4-(2-(trifluoromethyl)pyridine-4-yl)-1,3,5-triazine-2,4-diamine (300 mg, 0.7 mmol) and CuI (134 mg, 0.7 mmol) in THF (5 mL) was added sat.NH3/EtOH (15 mL) solution. The reaction mixture was stirred in a seal reactor at 130 deg for 10 hours. LCMS showed the reaction was completed. The solvent was removed and the residue was purified by a standard method to give 6-(6-amino-3-fluoropyridin-2-yl)-N2-(tert-butyl)-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine.
  • Figure US20220348554A1-20221103-C00914
  • 1H NMR (CDCl3) δ 8.63 (m, 1H), 8.45 (m, 1H), 7.85 (m, 1H), 7.5-7.4 (m, 1H), 6.75 (m, 1H), 1.5 (m, 9H).
  • According to the general strategy outlined in Scheme 3, step 2, the following intermediates were prepared:
    • 6-(4-(trifluoromethyl)pyrimidin-2-yl)-1,3,5-triazine-2,4(1H,3H)-dione
  • Figure US20220348554A1-20221103-C00915
  • LCMS: m/z 260.1 (M+H)+.
    • Methyl 6-(4,6-dioxo-1,4,5,6-tetrahydro-1,3,5-triazin-2-yl)pyridin-2-ylcarbamate
  • Figure US20220348554A1-20221103-C00916
  • LCMS: m/z 264.2 (M+H)+.
    • 6-(4-methoxypyridin-2-yl)-1,3,5-triazine-2,4(1H,3H)-dione
  • Figure US20220348554A1-20221103-C00917
  • LCMS: m/z 221.1 (M+H)+.
  • According to the general strategy outlined in Scheme 3, step 3, the following intermediates were prepared:
    • 2,4-dichloro-6-(4-(trifluoromethyl)-pyrimidin-2-yl)-1,3,5-triazine
  • Figure US20220348554A1-20221103-C00918
  • LCMS: m/z 296.0 (M+H)+.
    • 2,4-Dichloro-6-(6-difluoromethyl-pyridin-2-yl)-[1,3,5]triazine
  • Figure US20220348554A1-20221103-C00919
  • LCMS: m/z 277.0 (M+H)+.
    • 2,4-Dichloro-6-[6-(1,1-difluoroethyl)-pyridin-2-yl]-[1,3,5]triazine
  • Figure US20220348554A1-20221103-C00920
  • LCMS: m/z 290.9 (M+H)+.
    • Methyl 6-(4,6-dichloro-1,3,5-triazin-2-yl)-pyridin-2-ylcarbamate
  • Figure US20220348554A1-20221103-C00921
  • LCMS: m/z 300.1 (M+H)+.
    • 2,4-Dichloro-6-(4-methoxypyridin-2-yl)-1,3,5-triazine
  • Figure US20220348554A1-20221103-C00922
  • LCMS: m/z 257.1 (M+H)+.
  • According to the general strategy outlined in Scheme 3, steps 4-5, the following compounds were prepared from appropriate reagents and intermediates:
    • Compound 494—N-[2-(1, 1-Difluoro-ethyl)-pyridin-4-yl]-N′-isopropyl-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00923
  • 1H NMR (METHANOL-d4) δ 8.67 (s, 1H), 8.51-8.18 (m, 3H), 7.97-7.73 (m, 2H), 4.51-4.32 (m, 1H), 1.97 (t, J=18.8 Hz, 2H), 1.32 (d, J=6.4 Hz, 6H). LC-MS: m/z 440.3 (M+H)+.
    • Compound 495—3-[4-(6-Chloro-pyridin-2-yl)-6-(2-trifluoromethyl-pyridin-4-ylamino)-[1,3,5]triazin-2-ylamino]-2,2-dimethyl-propan-1-ol
  • Figure US20220348554A1-20221103-C00924
  • 1H NMR (METHANOL-d4) δ 8.63-8.45 (m, 3H), 8.44-7.99 (m, 2H), 7.97-7.62 (m, 1H), 3.49 (s, 1H), 3.43 (s., 1H), 3.40 (s, 1H), 3.23 (s., 1H), 0.98 (d., J=6.4 Hz, 6H). LC-MS: m/z 454.3 (M+H)
    • Compound 496—2-{4-[4-Isopropylamino-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazin-2-ylamino]-pyridin-2-yl}-propan-2-ol
  • Figure US20220348554A1-20221103-C00925
  • 1H NMR (METHANOL-d4) δ 8.66 (s, 1H), 8.29-8.11 (m, 3H), 7.88 (s, 1H), 7.58-7.56 (m, 1H), 4.40-4.29 (m., 1H), 1.49 (s, 6H), 1.25 (d., J=6.4 Hz, 6H). LC-MS: m/z 434.3 (M+H)+.
    • Compound 497—3-[4-(6-Chloro-pyridin-2-yl)-6-isopropylamino-[1,3,5]triazin-2-ylamino]-N-cyclopropylmethyl-benzenesulfonamide
  • Figure US20220348554A1-20221103-C00926
  • 1H NMR (METHANOL-d4) δ 8.70 (s, 1H), 8.50 (m, 1H), 8.14-8.10 (m, 1H), 7.82-7.80 (m, 1H), 7.69-7.67 (m., 2H), 7.58 (m, 1H), 4.42 (m, 1H), 2.78-2.76 (d., J=6.8 Hz, 2H), 1.36-1.28 (d, J=10 Hz, 6H), 0.87-0.81 (m, 1H), 0.43-0.38 (m, 2H), 0.10-0.07 (m, 2H). LC-MS: m/z 474.3 (M+H)+.
    • Compound 498—5-[4-(6-Chloro-pyridin-2-yl)-6-(2,2-dimethyl-propylamino)-[1,3,5]triazin-2-ylamino]-nicotinonitrile
  • Figure US20220348554A1-20221103-C00927
  • 1H NMR (METHANOL-d4) δ 9.01-8.94 (m, 2H), 8.53-8.41 (m, 2H), 8.00-7.96 (m, 1H), 7.62-7.60 (m, 1H), 3.35 (s, 3H), 1.00 (s, 9H). LC-MS: m/z 395.2 (M+H)+.
    • Compound 499—6-(6-Chloro-pyridin-2-yl)-N-(2-methoxy-1-methyl-ethyl)-N′-(2-trifluoromethyl-pyridin-4-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00928
  • 1H NMR (METHANOL-d4) δ 8.62-8.43 (m, 3H), 8.25-8.61 (m, 3H), 4.40-4.36 (m, 1H), 3.56-3.48 (m, 2H), 3.47 (s, 3H), 1.32-1.26 (s, 3H). LC-MS: m/z 440.3 (M+H)+.
    • Compound 500—1-[4-(2-Fluoro-pyridin-4-ylamino)-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazin-2-ylamino]-2-methyl-propan-2-ol
  • Using the standard procedure described above except replacing t-BuONa by Cs2CO3 yielded the title compound.
  • Figure US20220348554A1-20221103-C00929
  • 1H NMR (METHANOL-d4) δ 8.79-8.81 (d, J=8 Hz, 1H), 8.37-8.43 (m, 1H), 8.20-8.24 (m, 2H), 7.56-7.72 (m, 2H), 3.65 (s, 2H), 1.36 (s, 6H). LC-MS: m/z 424.2 (M+H)+.
    • Compound 501—N-Isopropyl-N′-(6-methyl-pyridazin-4-yl)-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Using the standard procedure described above except replacing t-BuONa by Cs2CO3 yielded the title compound.
  • Figure US20220348554A1-20221103-C00930
  • 1H NMR (METHANOL-d4) δ 9.30-8.85 (m, 2H), 8.78-8.80 (d, J=8 Hz, 1H), 8.29-8.28 (m, 1H), 8.07-8.15 (m, 1H), 4.36-4.55 (m, 1H), 2.87 (s, 3H), 1.38-1.41 (m, 6H). LC-MS: m/z 391.2 (M+H)+.
    • Compound 502—4-[4-(6-Chloro-pyridin-2-yl)-6-(2-trifluoromethyl-pyridin-4-ylamino)-[1,3,5]triazin-2-ylamino]-piperidine-1-carboxylic acid tert-butyl ester
  • Figure US20220348554A1-20221103-C00931
  • 1H NMR (CDCl3-d6) δ 8.51-8.55 (m, 2H), 8.27 (d, J=7.6 Hz, 1H), 7.77 (t, J=8 Hz, 1H), 7.45-7.50 (m, 2H), 7.28-7.33 (m., 1H), 5.65 (d, J=7.6 Hz, 1H), 3.95-4.11 (m, 3H), 2.88-2.93 (m., 2H), 2.02 (d, J=11.2 Hz, 2H), 1.41-1.51 (m, 11H). LC-MS: m/z 552.0 (M+H)+.
    • Compound 503—N-(5-Fluoro-pyridin-3-yl)-N′-isopropyl-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00932
  • 1H NMR (METHANOL-d4) δ 8.66-8.62 (m, 2H), 8.54 (br, 1H), 8.17 (t, J=7.8 Hz, 1H), 8.09-8.05 (m, 1H), 7.93 (d, J=7.6 Hz, 1H), 4.24-4.21 (m, 1H), 1.26 (d, J=4.2 Hz, 6H). LC-MS: m/z 394.2 (M+H)+.
    • N-(6-Fluoro-pyridin-3-yl)-N′-isopropyl-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00933
  • 1H NMR (METHANOL-d4) δ 8.53-8.50 (m, 2H), 8.46-8.24 (m, 1H), 8.07 (t, J=7.8 Hz, 1H), 7.84 (d, J=7.6 Hz, 1H), 6.97-6.94 (m, 1H), 4.35-4.13 (m, 1H), 1.19 (d, J=6.4 Hz, 6H). LC-MS: m/z 394.1 (M+H)+.
    • Compound 504—N-(3-Oxa-bicyclo[3.1.0]hex-6-yl)-N′-(2-trifluoromethyl-pyridin-4-yl)-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00934
  • 1H NMR (METHANOL-d4) δ 8.60 (dd, J=8.0 Hz, 2.0, 1H) 8.53 (dd, J=5.6 Hz, 1.6, 1H), 8.34 (s, 1H), 8.26-8.21 (m, 2H), 8.01-7.97 (m, 1H), 4.10 (d, J=7.4 Hz, 2H), 3.80 (d, J=8.4 Hz, 2H), 2.80-2.77 (m, 1H), 2.06 (s, 2H). LC-MS: m/z 484.3 (M+H)+.
    • Compound 505—4-[4-(3-Oxa-bicyclo[3.1.0]hex-6-ylamino)-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazin-2-ylamino]-pyridine-2-carbonitrile
  • Using the standard procedure described above except replacing t-BuONa by Cs2CO3 to yield the title compound.
  • Figure US20220348554A1-20221103-C00935
  • 1H NMR (METHANOL-d4) δ 8.69-8.51 (m, 3H), 8.24-8.20 (m, 1H), 8.09-7.98 (m, 2H), 4.12 (d, J=9.2 Hz, 2H), 3.84 (d, J=8.4 Hz, 2H). 2.75 (s, 1H), 2.02 (s, 2H). LC-MS: m/z 441.3 (M+H)+.
    • Compound 506—N-(6-Fluoro-pyridin-3-yl)-N′-(3-oxa-bicyclo[3.1.0]hex-6-yl)-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00936
  • 1H NMR (METHANOL-d4) δ 8.69-8.61 (m, 2H), 8.38 (br, 1H), 8.16 (t, J=8.0 Hz, 1H), 7.92 (d, J=8.4 Hz, 1H), 7.05 (dd, J=6.4 Hz, 2.4, 1H), 4.04 (d, J=8.4 Hz, 2H), 3.78 (d, J=8.4 hz, 2H), 2.64 (s, 1H), 1.94 (s, 1H). LC-MS: m/z 433.9 (M+H)+.
    • N-(2-Fluoro-pyridin-4-yl)-N′-(3-oxa-bicyclo[3.1.0]hex-6-yl)-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00937
  • 1H NMR (METHANOL-d4) δ 8.68-8.66 (m, 1H), 8.24-7.97 (m, 4H), 7.50 (d, J=5.2 Hz, 1H), 4.12 (d, J=8.4 Hz, 2H), 3.83 (d, J=8.0 Hz, 2H), 2.71 (s, 1H), 2.05-1.99 (m, 2H). LC-MS: m/z 433.9 (M+H)+.
    • Compound 507—N-(3-Oxa-bicyclo[3.1.0]hex-6-yl)-N′-(5-trifluoromethyl-pyridin-3-yl)-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00938
  • 1H NMR (METHANOL-d4) δ 9.38 (br, 1H), 8.82-8.42 (m, 4H), 8.24 (d, J=8.4 Hz, 1H), 4.05 (d, J=8.4 Hz, 2H), 3.79 (d, J=8.4 Hz, 2H), 2.81 (s, 1H), 2.15 (s, 2H). LC-MS: m/z 484.3 (M+H)+.
    • Compound 508—N-(2-Fluoro-pyridin-4-yl)-N′-(3-oxa-bicyclo[3.1.0]hex-6-yl)-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Using the standard procedure described above except replacing t-BuONa by Cs2CO3 to yield the title compound.
  • Figure US20220348554A1-20221103-C00939
  • 1H NMR (METHANOL-d4) δ 8.48-8.50 (d, J=7.2 Hz, 1H), 7.97-8.15 (m, 3H), 7.79-7.96 (m, 1H), 7.48-7.54 (m, 1H), 4.13-4.15 (d, J=8.8 Hz, 2H), 3.83-3.85 (d, J=8 Hz, 2H), 2.78 (s, 1H), 2.07-2.10 (d, J=13.2 Hz, 2H). LC-MS: m/z 400.1 (M+H)+.
    • Compound 509—N-(3-Oxa-bicyclo[3.1.0]hex-6-yl)-N′-(2-trifluoromethyl-pyridin-4-yl)-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Using the standard procedure described above except replacing t-BuONa by Cs2CO3 to yield the title compound.
  • Figure US20220348554A1-20221103-C00940
  • 1H NMR (METHANOL-d4) δ 8.47-8.66 (m, 2H), 8.07-8.28 (m, 3H), 7.76-7.78 (d, J=8 Hz, 1H), 4.06-4.14 (m, 2H), 3.80-3.82 (d, J=8.4 Hz, 2H), 2.82 (s, 1H), 2.04-2.16 (m, 2H). LC-MS: m/z 450.1 (M+H)+.
    • Compound 510—N-(3-Oxa-bicyclo[3.1.0]hex-6-yl)-N′-(5-trifluoromethyl-pyridin-3-yl)-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Using the standard procedure described above except replacing t-BuONa by Cs2CO3 to yield the title compound.
  • Figure US20220348554A1-20221103-C00941
  • 1H NMR (METHANOL-d4) δ 9.05-9.20 (m, 1H), 8.36-8.45 (m, 3H), 7.96-7.97 (m, 1H), 7.57-7.60 (d, J=7.6 Hz, 1H), 4.04-4.06 (d, J=8.4 Hz, 2H), 3.75-3.77 (d, J=8.4 Hz, 2H), 2.78 (s, 1H), 1.94 (s, 2H). LC-MS: m/z 450.1 (M+H)+.
    • Compound 511—6-(6-Chloro-pyridin-2-yl)-N-(5-fluoro-pyridin-3-yl)-N′-(3-oxa-bicyclo[3.1.0]hex-6-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00942
  • 1H NMR (DMSO-d6) δ 10.50-10.60 (m, 1H), 8.79-8.91 (m, 1H), 8.43-8.48 (m, 2H), 8.19-8.29 (m., 2H), 8.05-8.11 (m, 1H), 7.67-7.73 (m, 1H), 3.95-4.06 (m, 2H), 3.68-3.70 (m, 2H), 3.32-3.33 (m, 1H), 1.95 (s, 2H). LC-MS: m/z 400.2 (M+H)+.
    • Compound 512—6-(6-Chloro-pyridin-2-yl)-N-(6-fluoro-pyridin-3-yl)-N′-(3-oxa-bicyclo[3.1.0]hex-6-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00943
  • 1H NMR (DMSO-d6) δ 10.36 (br, 1H), 8.76-8.93 (m, 1H), 8.30-8.43 (m, 3H), 8.04-8.10 (m., 1H), 7.70-7.72 (m, 1H), 7.13-7.20 (m, 1H), 3.96-3.94 (m, 2H), 3.65-3.70 (m, 2H), 3.32-3.33 (m, 1H), 2.09 (s, 2H). LC-MS: m/z 400.2 (M+H)+.
    • Compound 513—6-(6-Chloro-pyridin-2-yl)-N-[2-(1,1-difluoro-ethyl)-pyridin-4-yl]-N′-isopropyl-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00944
  • 1H NMR (METHANOL-d4) δ 8.51-8.14 (m, 3H), 7.96-7.59 (m, 3H), 4.52-4.26 (m, 1H), 1.97 (t, J=18.8 Hz, 2H), 1.31 (t., J=6.4 Hz, 6H). LC-MS: m/z 406.3 (M+H)+.
    • Compound 514—2-{4-[4-(6-Chloro-pyridin-2-yl)-6-isopropylamino-[1,3,5]triazin-2-ylamino]-pyridin-2-yl}-propan-2-ol
  • Figure US20220348554A1-20221103-C00945
  • 1H NMR (METHANOL-d4) δ 8.48-8.30 (m, 3H), 7.99-7.95 (m, 1H), 7.77-7.61 (m, 2H), 4.51-4.37 (m, 1H), 1.57 (s., 6H), 1.30 (d., J=6.4 Hz, 6H). LC-MS: m/z 400.3 (M+H)+.
    • Compound 515—N-(3,5-Difluoro-phenyl)-N′-(2-methyl-cyclopropyl)-6-pyridin-2-yl-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00946
  • 1H NMR (METHANOL-d4) δ 8.72-8.48 (m, 2H), 8.08-7.57 (m, 4H), 6.58 (s, 1H), 2.27-2.57 (m, 1H), 1.20 (s., 3H), 0.99-0.75 (m, 2H), 0.64-0.51 (s, H). LC-MS: m/z 455.2 (M+H)+.
    • Compound 516—N-(2-Methyl-cyclopropyl)-6-pyridin-2-yl-N′-(2-trifluoromethyl-pyridin-4-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00947
  • 1H NMR (METHANOL-d4) δ 8.73-7.98 (m, 6H), 7.61-7.58 (m, 1H), 2.79-2.54 (m, 1H), 1.20 (d, J=6.0 Hz, 3H), 0.85-0.81 (m., 1H), 0.71-0.67 (m, 2H). LC-MS: m/z 388.3 (M+H)+.
    • Compound 517—N-(2,2-Dimethyl-propyl)-6-pyridin-2-yl-N′-(2-trifluoromethyl-pyridin-4-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00948
  • 1H NMR (METHANOL-d4) δ 8.75-8.49 (m, 4H), 8.03-7.76 (m, 1H), 7.62-7.59 (m, 2H), 3.41 (s, 2H), 0.99 (s., 9H). LC-MS: m/z 404.3 (M+H)+.
    • Compound 518—3-[4-(6-Chloro-pyridin-2-yl)-6-isopropylamino-[1,3,5]triazin-2-ylamino]-N-(2,2,2-trifluoro-ethyl)-benzenesulfonamide
  • Figure US20220348554A1-20221103-C00949
  • 1H NMR (DMSO-d6) δ 8.74 (s, 1H), 8.70-8.40 (m, 1H), 8.37-8.30 (m, 1H), 8.30-8.11 (m, 1H), 8.09-8.01 (m., 1H), 7.84-7.82 (m, 1H), 7.69 (m, 1H), 7.54 (m, 1H), 7.48-7.44 (m, 1H), 4.33-4.22 (m, 1H), 3.72-3.62 (m, 2H), 1.23-1.20 (d, J=12 Hz, 6H). LC-MS: m/z 501.8 (M+H)+.
    • Compound 520—1-[4-(3,5-Difluoro-phenylamino)-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazin-2-ylamino]-propan-2-ol
  • Figure US20220348554A1-20221103-C00950
  • 1H NMR (METHANOL-d4) δ 8.66-8.68 (m, 1H), 8.19-8.23 (m, 1H), 7.96-7.98 (m, 1H), 7.51-7.57 (m., 2H), 6.57-6.60 (m, 1H), 3.56-3.61 (d, J=20 Hz, 2H), 1.29 (s, 6H). LC-MS: m/z 441.2 (M+H)+.
    • Compound 521—N-(2,2-Dimethyl-propyl)-N′-pyrimidin-5-yl-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00951
  • 1H NMR (METHANOL-d4) δ 9.28-9.31 (m, 2H), 8.79-8.82 (m, 1H), 8.67-8.69 (m, 1H), 8.19-8.23 (m, 1H), 7.96-7.98 (m, 1H), 3.37-3.45 (m, 1H), 3.30-3.37 (m, 1H), 1.01 (s, 9H). LC-MS: m/z 405.3 (M+H)+.
    • Compound 522—N2-isopropyl-N4-(2-(trifluoromethyl)pyridin-4-yl)-6-(4-(trifluoromethyl)pyrimidin-2-yl)-1,3,5-triazine-2,4-diamine
  • Using the standard procedure described above except replace t-BuONa by Cs2CO3 to give the title compound.
  • Figure US20220348554A1-20221103-C00952
  • 1H NMR (DMSO-d6): δ 10.63-10.81-10.95 (m, 1H), 9.36-9.39 (m, 1H), 8.73 (s, 1H), 8.08-8.56 (m, 3H), 7.84-7.85 (m, 1H), 4.14-4.19 (m, 1H), 1.20-1.24 (m, 6H). LC-MS: m/z 444.8 (M+H)+.
    • Compound 523—N2-neopentyl-N4-(2-(trifluoromethyl)pyridin-4-yl)-6-(4-(trifluoromethyl)pyrimidin-2-yl)-1,3,5-triazine-2,4-diamine
  • Using the standard procedure described above except replace t-BuONa by Cs2CO3 to yield the title compound.
  • Figure US20220348554A1-20221103-C00953
  • 1H NMR (DMSO-d6): δ 10.70-10.95 (m, 1H), 9.23 (d, J=6.0 Hz, 1H), 8.86 (s, 1H), 8.36-8.76 (m, 3H), 7.64-7.66 (m, 1H), 3.29-3.35 (m, 2H), 0.90-1.0.95 (m, 9H). LC-MS: m/z 473.2 (M+H)+.
    • Compound 524—N-(2-Methoxy-propyl)-6-(6-trifluoromethyl-pyridin-2-yl)-N′-(2-trifluoromethyl-pyridin-4-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00954
  • 1H NMR (METHANOL-d4) δ 8.75-8.77 (m, 1H), 8.66-8.67 (m, 1H), 8.50-8.52 (m, 1H), 8.36-8.38 (m, 1H), 8.1.7-8.18 (m, 1H), 7.91-7.92 (m., 1H), 3.52-3.80 (m, 3H), 3.45 (s., 3H), 1.27-1.255 (d., J=6.0 Hz, 2H). LC-MS: m/z 474.2 (M+H)+.
    • Compound 526—N-(2-Methoxy-1-methyl-ethyl)-6-(6-trifluoromethyl-pyridin-2-yl)-N′-(2-trifluoromethyl-pyridin-4-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00955
  • 1H NMR (METHANOL-d4) δ 8.69-8.67 (m, 1H), 8.61-8.29 (m, 2H), 8.22-7.87 (m, 3H), 4.62-4.37 (m, 1H), 3.57-3.46 (m., 2H), 3.31 (s, 3H), 1.33-1.30 (m, 3H). LC-MS: m/z 473.9 (M+H)+.
    • Compound 527—2-[4-(6-Trifluoromethyl-pyridin-2-yl)-6-(2-trifluoromethyl-pyridin-4-ylamino)-[1,3,5]triazin-2-ylamino]-propan-1-ol
  • Figure US20220348554A1-20221103-C00956
  • 1H NMR (METHANOL-d4) δ 8.73-8.48 (m, 3H), 8.23-7.92 (m, 3H), 4.62-4.29 (m, 1H), 3.70-3.67 (m, 2H), 1.335-1.319 (d, J=6.4 Hz, 3H). LC-MS: m/z 459.9 (M+H)+.
    • Compound 528—N-(3-Methoxy-propyl)-N′-(2-trifluoromethyl-pyridin-4-yl)-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00957
  • 1H NMR (METHANOL-d4) δ 8.67-8.69 (m, 1H), 8.50-8.61 (m, 2H), 8.19-8.23 (m, 1H), 7.93-7.99 (m, 2H), 3.61-3.69 (m, 2H), 3.54-3.56 (m, 2H), 3.30-3.37 (m, 1H), 1.93-1.99 (m, 2H). LC-MS: m/z 474.3 (M+H)+.
    • Compounds 529—N-(Tetrahydro-furan-3-yl)-N′-(2-trifluoromethyl-pyridin-4-yl)-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00958
  • 1H NMR (METHANOL-d4) δ 8.66-8.68 (m, 1H), 8.62-8.66 (m, 1H), 8.49-8.51 (m, 1H), 8.18-8.22 (m, 2H), 7.95-7.97 (m, 1H), 4.60-4.66 (m, 1H), 3.99-4.05 (m, 2H), 3.79-3.82 (m, 2H), 2.04-2.39 (m, 2H). LC-MS: m/z 472.3 (M+H)+.
    • Compounds 530—2,2-Dimethyl-3-[4-(6-trifluoromethyl-pyridin-2-yl)-6-(2-trifluoromethyl-pyridin-4-ylamino)-[1,3,5]triazin-2-ylamino]-propan-1-ol
  • Figure US20220348554A1-20221103-C00959
  • 1H NMR (METHANOL-d4) δ 8.74-8.70 (m, 1H), 8.67-8.52 (m, 2H), 8.29-7.90 (m, 3H), 3.51-3.41 (m, 2H), 3.34-3.33 (m., 1H), 3.23 (s, 1H), 1.03-0.92 (m, 6H). LC-MS: m/z 488.3 (M+H)+.
    • Compound 531—N-(2-Methyl-tetrahydro-furan-2-ylmethyl)-6-(6-trifluoromethyl-pyridin-2-yl)-N′-(2-trifluoromethyl-pyridin-4-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00960
  • 1H NMR (METHANOL-d4) δ 8.71-8.24 (m, 3H), 8.23-7.84 (m, 3H), 3.97-3.90 (m, 2H), 3.78-3.58 (m, 2H), 2.03-1.97 (m., 2H), 1.78-1.74 (m, 1H), 1.31 (s, 3H). LC-MS: m/z 500.3 (M+H)+.
    • Compound 532—N-(2-Methyl-cyclopropyl)-6-(6-trifluoromethyl-pyridin-2-yl)-N′-(2-trifluoromethyl-pyridin-4-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00961
  • 1H NMR (METHANOL-d4) δ 8.70-8.19 (m, 3H), 8.06-7.98 (m, 3H), 2.67-2.64 (m, 1H), 1.25-1.21 (m, 3H), 1.21-0.98 (m., 1H), 0.88-0.80 (m, 1H), 0.62-0.51 (m, 1H). LC-MS: m/z 456.2 (M+H)+.
    • Compound 533—N-(1-Methyl-cyclopropyl)-6-(6-trifluoromethyl-pyridin-2-yl)-N′-(2-trifluoromethyl-pyridin-4-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00962
  • 1H NMR (METHANOL-d4) δ 8.85-8.65 (m, 2H), 8.48 (s, 1H), 8.20-8.16 (m, 1H), 7.96-7.82 (m, 2H), 1.55 (s, 3H), 0.93-0.90 (m, 2H), 0.85-0.82 (m, 2H). LC-MS: m/z 456.2 (M+H)+.
    • Compound 534—4-[4-Isopropylamino-6-(4-trifluoromethyl-pyrimidin-2-yl)-[1,3,5]triazin-2-ylamino]-pyridine-2-carbonitrile
  • Using the standard procedure described above except replacing t-BuONa by Cs2CO3 to yield the title compound.
  • Figure US20220348554A1-20221103-C00963
  • 1H NMR (METHANOL-d4) δ 9.33-9.31 (m, 1H), 8.65 (d, J=6.4 Hz, 1H), 8.47 (dd, J=7.2 Hz, 5.6 Hz, 1H), 8.07 (d, J=4.8 Hz, 1H), 7.96-7.95 (m, 1H), 4.30-4.27 (m, 1H), 1.32 (dd, J=12 Hz, 6.0 Hz, 6H). LC-MS: m/z 402.2 (M+H)+.
    • Compound 535—N-(6-Fluoro-pyridin-3-yl)-N′-isopropyl-6-(4-trifluoromethyl-pyrimidin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00964
  • 1H NMR (METHANOL-d4) δ 9.30 (d, J=4.8 Hz, 1H), 8.62-8.53 (m, 2H), 8.05 (d, J=5.2 Hz, 1H), 7.08-7.07 (m, 1H), 4.25-4.22 (m, 1H), 1.28 (dd, J=10.8 Hz, 6.4 Hz, 6H). LC-MS: m/z 395.2 (M+H)+.
    • Compound 536—N-Isopropyl-N′-(5-trifluoromethyl-pyridin-3-yl)-6-(4-trifluoromethyl-pyrimidin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Using the standard procedure described above except replacing t-BuONa by Cs2CO3 to yield the title compound.
  • Figure US20220348554A1-20221103-C00965
  • 1H NMR (METHANOL-d4) δ 9.31-9.33 (d, J=4.8 Hz, 1H), 8.98-9.11 (m, 1H), 8.52 (s, 1H), 8.06-8.07 (d, J=4 Hz, 1H), 4.26-4.63 (m, 2H), 1.28-1.34 (m, 6H). LC-MS: m/z 445.3 (M+H)+.
    • Compound 537—N-(2-Fluoro-pyridin-4-yl)-N′-isopropyl-6-(4-trifluoromethyl-pyrimidin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Using the standard procedure described above except replacing t-BuONa by Cs2CO3 to yield the title compound.
  • Figure US20220348554A1-20221103-C00966
  • 1H NMR (METHANOL-d4) δ 9.41-9.42 (m, 1H), 8.14-8.20 (m, 2H), 7.59-7.82 (m, 1H), 4.35-4.38 (m, 2H), 1.32-1.41 (m, 6H). LC-MS: m/z 395.2 (M+H)+.
    • Compound 539—1-(4-(5,6-difluoropyridin-3-ylamino)-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazin-2-ylamino)-2-methylpropan-2-ol
  • Figure US20220348554A1-20221103-C00967
  • 1H NMR (METHANOL-d4) δ 8.61-8.75 (m, 1H), 8.01-8.43 (m, 4H), 3.48 (s, 2H), 1.21 (s, 6H).
  • LC-MS: m/z 442.2 (M+H)+.
    • Compound 540—1-[4-(6-Fluoro-5-methyl-pyridin-3-ylamino)-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazin-2-ylamino]-2-methyl-propan-2-ol
  • Figure US20220348554A1-20221103-C00968
  • 1H NMR (METHANOL-d4) δ 8.94 (s, 1H), 8.78 (d, J=7.6 Hz, 1H), 8.35 (t, J=8.0 Hz, 1H), 8.14 (d, J=7.6 Hz, 1H), 7.65-7.86 (m, 3H), 4.41-4.48 (m, 1H), 3.20 (d, J=7.2 Hz, 2H), 1.37 (d, J=6.4 Hz, 6H), 0.98-1.06 (m, 1H), 0.53-0.57 (m, 2H), 0.17-0.21 (m, 2H). LC-MS: m/z 493.1 (M+H)+.
    • Compound 541—1-{[4-(3,5-Difluoro-phenylamino)-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazin-2-ylamino]-methyl}-cyclopropanol
  • Figure US20220348554A1-20221103-C00969
  • 1H NMR (DMSO-d6) δ 8.628-8.543 (m, 1H), 8.336-8.281 (m, 1H), 8.107-8.088 (d, J=7.6 Hz, 2H), 7.788-7.767 (d, J=8.4 Hz, 1H), 1.30 (d, J=6.2 Hz, 1H), 6.842-6.797 (m, 1H), 5.503-5.428 (d, J=30 Hz, 1H), 3.629-3.567 (m, 2H), 0.666-0.584 (m, 2H). LC-MS: m/z 439.0 (M+H)+.
    • Compound 542—2-{3-[4-Isopropylamino-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazin-2-ylamino]-phenyl}-propan-2-ol
  • Figure US20220348554A1-20221103-C00970
  • 1H NMR (METHANOL-d4) δ 8.82-8.79 (m, 1H), 8.77-8.75 (m, 1H), 8.48-8.42 (m, 1H), 8.23-8.20 (m, 1H), 7.63-7.57 (m, 3H), 4.43-4.26 (m, 1H), 1.656-1.573 (d, J=33.2 Hz, 3H), 1.288-1.188 (d, J=40 Hz 3H). LC-MS: m/z 433.1 (M+H)+.
    • Compound 543—N-(1-Methyl-1H-pyrazol-4-yl)-6-(6-trifluoromethyl-pyridin-2-yl)-N′-(2-trifluoromethyl-pyridin-4-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00971
  • 1H NMR (METHANOL-d4) δ 8.71-8.69 (m, 1H), 8.58-8.31 (m, 4H), 8.19-7.99 (m, 2H), 7.70-7.65 (m, 1H), 3.92 (s, 3H). LC-MS: m/z 481.37 (M+H)+.
    • Compound 544—N-(2-Methyl-2H-pyrazol-3-yl)-6-(6-trifluoromethyl-pyridin-2-yl)-N′-(2-trifluoromethyl-pyridin-4-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00972
  • 1H NMR (METHANOL-d4) δ 8.75-8.32 (m, 4H), 8.25-8.00 (m, 2H), 7.53 (s, 1H), 6.44 (s, 1H), 3.83 (s, 3H). LC-MS: m/z 482.3 (M+H)+.
    • Compound 546—N2-(thiazol-5-yl)-6-(6-(trifluoromethyl)pyridin-2-yl)-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00973
  • 1H NMR (METHANOL-d4) δ 8.7-8.9 (m, 1H), 8.65 (m, 1H), 8.35-8.55 (m, 1H), 8.05-8.3 (m, 2H), 8.0 (m, 1H), 7.75 (m, 1H). LC-MS: m/z 485.2 (M+H)+.
    • Compound 547—N-(Tetrahydro-furan-3-ylmethyl)-N′-(2-trifluoromethyl-pyridin-4-yl)-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00974
  • 1H NMR (METHANOL-d4) δ 8.78-8.76 (d, J=8 Hz 1H), 8.70-8.68 (d, J=5.6 Hz 1H), 8.53-8.52 (m, 1H), 8.43-8.37 (m, 1H), 8.22-8.20 (m, 1H), 7.92-7.91 (m, 1H), 3.95-3.93 (m, 1H), 3.92-3.88 (m, 1H), 3.86-3.85 (m, 1H), 3.78-3.77 (m, 3H), 2.73-2.71 (m, 1H), 2.18-2.15 (m, 1H), 1.77-1.75 (m, 1H). LC-MS: m/z 486.2 (M+H)+.
    • Compound 548—3-[4-(6-Trifluoromethyl-pyridin-2-yl)-6-(2-trifluoromethyl-pyridin-4-ylamino)-[1,3,5]triazin-2-ylamino]-butan-2-ol
  • Figure US20220348554A1-20221103-C00975
  • 1H NMR (METHANOL-d4) δ 8.60-8.40 (m, 3H), 8.13-7.80 (m, 3H), 4.32-4.05 (m, 1H), 3.88-3.79 (m, 1H), 1.23-1.12 (m, 6H). LC-MS: m/z 474.3 (M+H)+
    • Compound 549—N-(3-Methyl-oxetan-3-yl)-6-(6-trifluoromethyl-pyridin-2-yl)-N′-(2-trifluoromethyl-pyridin-4-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00976
  • 1H NMR (METHANOL-d4) δ 8.71-8.54 (m, 1H), 8.49-8.52 (m, 2H), 8.25-8.21 (m, 1H), 8.14-7.89 (m, 2H), 4.65-4.64 (m, 2H), 1.85 (s, 3H). LC-MS: m/z 472.3 (M+H)+
    • Compound 550—N-(3-Methyl-oxetan-3-ylmethyl)-6-(6-trifluoromethyl-pyridin-2-yl)-N′-(2-trifluoromethyl-pyridin-4-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00977
  • 1H NMR (METHANOL-d4) δ 8.72-8.52 (m, 3H), 8.26-7.99 (m, 3H), 4.74-4.67 (m, 2H), 4.45-4.42 (m, 2H), 3.87-3.82 (m, 2H), 1.43 (s, 3H). LC-MS: m/z 486.3 (M+H)+
    • Compound 551—N-(2-Difluoromethyl-pyridin-4-yl)-N′-isopropyl-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00978
  • 1H NMR (METHANOL-d4) δ 8.71-8.68 (m, 1H), 8.53 (s, 1H), 8.44 (m, 1H), 8.23-7.78 (m, 3H), 6.84-6.56 (m., 1H), 4.31 (m, 1H), 1.36-1.34 (d, J=8 Hz, 6H). LC-MS: m/z 426.2 (M+H)+
    • Compound 552—2-Methyl-3-[4-(6-trifluoromethyl-pyridin-2-yl)-6-(2-trifluoromethyl-pyridin-4-ylamino)-[1,3,5]triazin-2-ylamino]-propan-1-ol
  • Figure US20220348554A1-20221103-C00979
  • 1H NMR (METHANOL-d4) δ 8.72-8.69 (m, 1H), 8.56-8.49 (m, 2H), 8.28-7.96 (m, 3H), 4.64-3.29 (m, 4H), 2.07-2.03 (m, 1H), 1.04-0.998 (m, 3H). LC-MS: m/z 474.2 (M+H)+
    • Compound 554—5-[4-(2,2-Dimethyl-propylamino)-6-(4-trifluoromethyl-pyrimidin-2-yl)-[1,3,5]triazin-2-ylamino]-nicotinonitrile
  • Using the standard procedure described above except replacing t-BuONa by Cs2CO3 yielded the title compound.
  • Figure US20220348554A1-20221103-C00980
  • 1H NMR (MeOH-d4) δ 9.42-9.46 (m, 1H), 8.73-9.25 (m, 3H), 8.21-8.26 (m, 1H), 3.49-3.51 (m, 2H), 1.00-1.07 (m, 9H). LC-MS: m/z 430.3 (M+H)+.
    • Compound 555—N-Isopropyl-N′-(1-propyl-M-pyrazol-4-yl)-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00981
  • 1H NMR (METHANOL-d4) δ 8.67-8.65 (m, 1H), 8.30-7.98 (m, 3H), 7.70-7.60 (m, 1H), 4.50-4.20 (m, 1H), 4.13-4.10 (m., 2H), 1.92-1.89 (m, 2H), 1.35-1.29 (m, 6H), 0.96-0.93 (t, 3H). LC-MS: m/z 407.3 (M+H)+
    • Compound 556—N-(7-Oxa-bicyclo[2.2.1]hept-2-yl)-6-(6-trifluoromethyl-pyridin-2-yl)-N′-(2-trifluoromethyl-pyridin-4-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00982
  • 1H NMR (METHANOL-d4) δ 8.71-8.48 (m, 3H), 8.24-7.93 (m, 3H), 4.87-4.86 (m, 1H), 4.70-4.605 (m, 1H), 4.43-4.18 (m, 1H), 2.35-1.99 (m, 2H), 1.78-1.23 (m, 4H). LC-MS: m/z 498.2 (M+H)+
    • Compound 557—N2-((tetrahydrofuran-3-yl)methyl)-N4-(2-(trifluoromethyl)pyridin-4-yl)-6-(4-(trifluoromethyl)pyrimidin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00983
  • 1H NMR (MeOH-d4) δ 9.36-9.42 (m, 1H), 8.50-8.69 (m, 2H), 8.20-8.21 (m, 1H), 7.93-8.13 (m, 1H), 3.64-3.98 (m, 6H), 2.71-2.77 (m, 1H), 2.12-2.27 (m, 1H), 1.73-1.81 (m, 1H). LC-MS: m/z 487.3 (M+H)+.
    • Compound 558—N2-(1-methoxypropan-2-yl)-N4-(2-(trifluoromethyl)pyridin-4-yl)-6-(4-(trifluoromethyl)pyrimidin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00984
  • 1H NMR (MeOH-d4) δ 9.31 (d, J=4.8 Hz, 1H), 8.30-8.66 (m, 2H), 7.87-8.21 (m, 2H), 4.36-4.67 (m, 1H), 3.49 (s, 3H), 1.28-1.34 (m, 3H). LC-MS: m/z 475.3 (M+H)+.
    • Compound 559—N-Isopropyl-N′-[2-(1-methoxy-cyclopropyl)-pyridin-4-yl]-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00985
  • 1H NMR (METHANOL-d4) δ 8.69-8.71 (d, J=8 Hz, 1H), 8.18-8.31 (m, 3H), 7.93-7.98 (m, 1.3H), 7.58-7.59 (d, J=3.6 Hz, 0.7H), 4.34-4.62 (m, 1H), 3.39 (s, 3H), 1.33-1.34 (d, J=6 Hz, 1H), 1.23-1.28 (m, 4H). LC-MS: m/z 446.2 (M+H)+
    • Compound 560—1-[4-[6-(1,1-Difluoro-ethyl)-pyridin-2-yl]-6-(3,5-difluoro-phenylamino)-[1,3,5]triazin-2-ylamino]-2-methyl-propan-2-ol
  • Figure US20220348554A1-20221103-C00986
  • 1H NMR (METHANOL-d4) δ 8.65-8.88 (d, J=7.6 Hz, 1H) 8.30-8.35 (d, J=20 Hz, 1H), 8.10-8.12 (d, J=8 Hz, 1H), 7.50-7.58 (m, 2H), 6.86-6.90 (m, 1H), 3.58-3.64 (d, J=24 Hz, 1H), 2.13-2.25 (m, 3H), 1.35-1.37 (d, J=6.8 Hz, 6H). LC-MS: m/z 437.1 (M+H)+
    • Compound 561—N-(3-Chloro-5-methanesulfonyl-phenyl)-N′-isopropyl-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00987
  • 1H NMR (METHANOL-d4) δ 8.70-8.67 (m, 2H), 8.24-8.17 (m, 1H), 8.04 (m, 1H), 7.97-7.95 (m, 1H), 7.58-7.55 (s., 1H), 4.34-4.28 (m, 1H), 3.19 (s, 3H), 1.33-1.31 (d, J=6.4 Hz, 6H). LC-MS: m/z 487.2 (M+H)+
    • Compound 562—2-Methyl-2-[4-(6-trifluoromethyl-pyridin-2-yl)-6-(2-trifluoromethyl-pyridin-4-ylamino)-[1,3,5]triazin-2-ylamino]-propan-1-ol
  • Figure US20220348554A1-20221103-C00988
  • 1H NMR (METHANOL-d4) δ 8.70-8.68 (d, J=8 Hz 1H), 8.64-7.88 (m, 5H), 8.53-8.52 (m, 1H), 3.83 (s, 3H), 1.523-1.496 (d, J=10.8 Hz 6H). LC-MS: m/z 474.3 (M+H)
    • Compound 563—N-(2-Cyclopropyl-pyridin-4-yl)-N′-isopropyl-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00989
  • 1H NMR (METHANOL-d4) δ 8.78-8.76 (m, 1H), 8.48-8.35 (m, 2H), 8.17-8.06 (m, 3H), 4.39-4.36 (m, 1H), 1.49-1.38 (m, 8H), 1.21-1.19 (m, 2H). LC-MS: m/z 416.1 (M+H)+.
    • Compound 564—N-tert-Butyl-N′-(2-cyclopropyl-pyridin-4-yl)-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00990
  • 1H NMR (METHANOL-d4) δ 8.68-8.66 (m, 1H), 8.21-8.19 (m, 2H), 7.98-7.64 (m, 3H), 2.15-2.11 (m, 1H), 1.59 (s, 9H), 1.11-1.01 (m, 4H). LC-MS: m/z 430.1 (M+H)+.
    • Compound 565—N-(2-Cyclopropyl-pyridin-4-yl)-N′-(1-methyl-cyclopropyl)-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00991
  • 1H NMR (METHANOL-d4) δ 8.69-8.67 (m, 1H), 8.25-8.19 (m, 2H), 8.01-7.86 (m, 3H), 2.15-2.11 (m, 1H), 1.57-1.56 (m, 1H), 1.17-1.12 (m, 2H), 1.08-1.02 (m, 2H), 0.94-0.90 (m, 2H), 0.87-0.85 (m, 2H). LC-MS: m/z 428.1 (M+H)+.
    • Compound 566—{1-[4-(6-Trifluoromethyl-pyridin-2-yl)-6-(2-trifluoromethyl-pyridin-4-ylamino)-[1,3,5]triazin-2-ylamino]-cyclopropyl}-methanol
  • Figure US20220348554A1-20221103-C00992
  • 1H NMR (METHANOL-d4) δ 8.74-8.69 (m, 2H), 8.52-8.48 (m, 1H), 8.25-7.58 (m, 3H), 3.79 (s, 2H), 1.02-0.95 (m, 4H). LC-MS: m/z 494.2 (M+H)+.
    • Compound 567—N-tert-Butyl-N-[2-(1,1-difluoro-ethyl)-pyridin-4-yl]-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00993
  • 1H NMR (METHANOL-d4) δ 8.72-8.44 (m, 3H), 8.25-7.77 (m, 3H), 2.05-1.95 (m, 3H), 1.58 (s, 9H). LC-MS: m/z 454.1 (M+H)+.
    • Compound 568—2-[4-(6-Trifluoromethyl-pyridin-2-yl)-6-(2-trifluoromethyl-pyridin-4-ylamino)-[1,3,5]triazin-2-ylamino]-cyclopropanol
  • Figure US20220348554A1-20221103-C00994
  • 1H NMR (METHANOL-d4) δ 8.31-8.90 (m, 3H), 8.15-8.30 (m, 2H), 7.93-8.05 (m, 1H), 3.43-3.55 (m, 1H), 2.90-3.10 (m, 1H), 1.10-1.25 (m, 1H), 0.89-0.99 (m, 1H). LC-MS: m/z 458.2 (M+H)+.
    • Compound 569—2-[4-(6-Trifluoromethyl-pyridin-2-yl)-6-(2-trifluoromethyl-pyridin-4-ylamino)-[1,3,5]triazin-2-ylamino]-cyclopropanol
  • Figure US20220348554A1-20221103-C00995
  • 1H NMR (METHANOL-d4) δ 8.35-8.90 (m, 3H), 8.13-8.34 (m, 2H), 7.97-8.05 (m, 1H), 3.47-3.55 (m, 1H), 2.72-3.01 (m, 1H), 1.08-1.25 (m, 1H), 0.90-0.99 (m, 1H). LC-MS: m/z 458.2 (M+H)+.
    • Compound 570—N2-(3-fluoro-5-(methylsulfonyl)phenyl)-N4-isopropyl-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00996
  • 1H NMR (METHANOL-d4) δ 8.70-8.62 (m, 2H), 8.21-7.84 (m, 3H), 7.35-7.33 (m, 1H), 4.34-4.31 (m, 1H), 3.16 (s, 3H), 1.31 (dd, 6H). LC-MS: m/z 470.0 (M+H)+.
    • Compound 571—N2-isobutyl-N4-(3-(methylsulfonyl)phenyl)-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00997
  • 1H NMR (METHANOL-d4): δ 8.7-8.9 (m, 2H), 8.3-8.5 (m, 1H), 8.0-8.2 (m, 1H), 7.6-7.86 (m, 3H), 3.5 (m, 2H), 3.15 (S, 3H), 1.0-1.1 (d, J=16 Hz, 6H). LC-MS: m/z 467.1 (M+H)+.
    • Compound 572—N2-(2-chloropyridin-4-yl)-N4-isopropyl-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C00998
  • 1H NMR (DMSO-d4) δ 10.2-10.5 (m, 1.0H), 8.85-8.65 (m, 1H), 8.6 (m, 1H), 8.25-8.45 (m, 3H), 8.1 (m, 1H), 7.2 (m, 1H), 4.1-4.4 (m, 1H), 1.2 (d, J=6.4 Hz, 6H). LC-MS: m/z 410.1 (M+H)+.
    • Compound 573-1-[4-[2-(1,1-Difluoro-ethyl)-pyridin-4-ylamino]-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazin-2-ylamino]-2-methyl-propan-2-ol
  • Figure US20220348554A1-20221103-C00999
  • 1H NMR (METHANOL-d4) δ 8.72-8.42 (m, 3H), 8.24-7.74 (m, 3H), 3.64-3.60 (m, 2H), 2.05-1.94 (m, 3H), 2.34-1.91 (m, 4H), 1.30-1.29 (m, 6H). LC-MS: m/z 492.1 (M+Na)+.
    • Compound 574—1{4-[4-Isopropylamino-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazin-2-ylamino]-pyridin-2-yl}-propan-1-one
  • Figure US20220348554A1-20221103-C01000
  • 1H NMR (METHANOL-d4) δ 8.69 (s, 0.7H), 8.63-8.64 (d, J=8 Hz, 1H), 8.38-8.40 (dd, J1=5.2 Hz, J2=9.2 Hz, 1H), 8.13-8.18 (q, J=8 Hz, 1H), 7.78-8.03 (m, 2H), 4.22-4.36 (m, 1H), 3.12-3.16 (m, 2H), 1.25-1.29 (m, 6H), 1.11-1.14 (m, 3H). LC-MS: m/z 375.1 (M+H)+.
    • Compound 576—6-[6-(1,1-Difluoro-ethyl)-pyridin-2-yl]-N-[2-(1,1-difluoro-ethyl)-pyridin-4-yl]-N′-isopropyl-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01001
  • 1H NMR (METHANOL-d4) δ 8.78-8.80 (d, J=6 Hz, 1H), 8.69-8.71 (d, J=8.4 Hz, 2H), 8.26-8.53 (m, 1H), 8.05-8.19 (m, 2H), 4.39-4.60 (m, 1H), 2.10-2.24 (m, 6H), 1.40-1.46 (m, 6H).
  • LC-MS: m/z 436.3 (M+H)+.
    • Compound 577—4-[4-(6-Trifluoromethyl-pyridin-2-yl)-6-(2-trifluoromethyl-pyridin-4-ylamino)-[1,3,5]triazin-2-ylamino]-piperidine-1-carboxylic acid methyl ester
  • Figure US20220348554A1-20221103-C01002
  • 1H NMR (METHANOL-d4) δ 8.30-8.78 (m, 3H), 7.82-8.29 (m, 3H), 4.10-4.39 (m, 3H), 3.73 (s, 3H), 2.99-3.18 (m, 2H), 2.02-2.16 (m, 2H), 1.53-1.65 (m, 2H). LC-MS: m/z 543.3 (M+H)+.
    • Compound 578—1-{4-[4-(6-Trifluoromethyl-pyridin-2-yl)-6-(2-trifluoromethyl-pyridin-4-ylamino)-[1,3,5]triazin-2-ylamino]-piperidin-1-yl}-ethanone
  • Figure US20220348554A1-20221103-C01003
  • 1H NMR (METHANOL-d4) δ 8.62-8.87 (m, 2H), 8.30-8.60 (m, 2H), 7.88-8.29 (m, 2H), 4.31-4.60 (m, 2H), 3.95-4.10 (m, 1H), 3.37-3.43 (m, 1H), 2.90-3.19 (m, 1H), 2.10-2.30 (m, 5H), 1.58-1.83 (m, 2H). LC-MS: m/z 527.2 (M+H)+.
    • Compound 580—N-(1-Methanesulfonyl-piperidin-4-yl)-6-(6-trifluoromethyl-pyridin-2-yl)-N′-(2-trifluoromethyl-pyridin-4-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01004
  • 1H NMR (METHANOL-d4) δ 8.67-8.93 (m, 2H), 8.38-8.59 (m, 2H), 7.92-8.31 (m, 2H), 4.19-4.52 (m, 1H), 3.70-3.88 (m, 2H), 3.08 (t, J=10.4 Hz, 6H), 2.93 (s, 3H), 2.18-2.32 (m, 2H), 1.77-1.98 (m, 2H). LC-MS: m/z 563.3 (M+H)+.
    • Compound 581—N-Isopropyl-N′-[2-(1-methyl-cyclopropyl)-pyridin-4-yl]-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01005
  • 1H NMR (DMSO-d6) δ 8.73-8.69 (d, J=17.6 Hz 1H), 8.26-8.16 (m, 3H), 8.06-7.97 (m, 1H), 7.63-7.62 (m, 1H), 4.38-4.34 (m, 1H), 1.54-1.52 (s, 3H), 1.35-1.26 (m, 6H), 1.18-1.16 (m, 2H), 0.90-0.97 (m, 2H). LC-MS: m/z 430.1 (M+H)+.
    • Compound 582—6-[6-(1,1-Difluoro-ethyl)-pyridin-2-yl]-N-isopropyl-N′-(2-trifluoromethyl-pyridin-4-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01006
  • 1H NMR (METHANOL-d4) δ 8.63-8.50 (m, 3H), 8.26-8.09 (m, 1H), 7.97-7.87 (m, 2H), 4.50-4.29 (m, 1H), 2.14 (t, J=13.2 Hz, 3H), 1.35 (d, J=8.8 Hz, 6H). LC-MS: m/z 440.1 (M+H)+.
    • Compound 583—6-(6-(1,1-difluoroethyl)pyridin-2-yl)-N2-(3,5-difluorophenyl)-N4-isopropyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01007
  • 1H NMR (METHANOL-d4) δ 8.53 (t, 1H), 8.09 (t, 1H), 7.86-7.84 (m, 1H), 7.58-7.56 (m, 1H), 6.60-6.56 (m, 1H), 4.28-4.25 (m, 1H), 2.17-2.04 (m, 3H), 1.33-1.29 (m, 6H). LC-MS: m/z 407.2 (M+H)+.
    • Compound 584—N2-(cyclopropylmethyl)-6-(6-(1,1-difluoroethyl)pyridin-2-yl)-N4-(3,5-difluorophenyl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01008
  • 1H NMR (METHANOL-d4) δ 8.51 (t, 1H), 8.01 (t, 1H), 7.84 (t, 1H), 7.56-7.54 (m, 1H), 6.56 (t, 1H), 3.42-3.36 (1H), 2.10 (t, 3H), 1.18-1.16 (m, 1H), 0.57-0.51 (m, 2H), 0.33-0.29 (m, 2H).
  • LC-MS: m/z 419.2 (M+H)+.
    • Compound 585—N2-(tert-butyl)-6-(6-(1,1-difluoroethyl)pyridin-2-yl)-N4-(3,5-difluorophenyl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01009
  • 1H NMR (METHANOL-d4) δ 8.85-8.49 (m, 1H), 8.09-8.06 (m, 1H), 7.83 (d, 1H), 7.52-7.48 (m, 2H), 6.61-6.56 (m, 1H), 2.10 (t, 3H), 1.53 (s, 9H). LC-MS: m/z 421.1 (M+H)+.
    • Compound 586—1-(4-((4-((cyclopropylmethyl)amino)-6-(6-(1,1-difluoroethyl)pyridin-2-yl)-1,3,5-triazin-2-yl)amino)pyridin-2-yl)cyclopropanecarbonitrile
  • Figure US20220348554A1-20221103-C01010
  • 1H NMR (METHANOL-d4) δ 8.62 (d, 1H), 8.16-7.56 (m, 4H), 4.47-4.23 (m, 1H), 3.62-3.61 (m, 1H), 1.34-1.04 (m, 10H). LC-MS: m/z 405.2 (M+H)+.
    • Compound 587—N2-(tetrahydro-2H-pyran-4-yl)-6-(6-(trifluoromethyl)pyridin-2-yl)-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01011
  • 1H NMR (METHANOL-d4) δ 8.7-8.25 (m, 3H), 8.25-7.7 (m, 3H), 4.4-4.1 (m, 1H), 4.0 (m, 2H), 3.65-3.5 (m, 2H), 2.1-2.0 (m, 2H), 1.8-1.6 (m, 2H). LC-MS: m/z 486.3 (M+H)+.
    • Compound 588—2-((4-(6-(trifluoromethyl)pyridin-2-yl)-6-((2-(trifluoromethyl)pyridin-4-yl)amino)-1,3,5-triazin-2-yl)amino)cyclopentanol
  • Figure US20220348554A1-20221103-C01012
  • NMR (METHANOL-d4) δ 8.85-8.6 (m, 2.0H), 8.5-8.0 (m, 4H), 4.4-4.15 (m, 2H), 2.4-1.6 (m, 6H). LC-MS: m/z 486.0 (M+H)+.
    • Preparation of 3-[4-(6-Chloro-pyridin-2-yl)-6-isopropylamino-[1,3,5]triazin-2-ylamino]-N-cyclopropyl-benzamide Step 1: Preparation of methyl 3-(4-(6-chloropyridin-2-yl)-6-(isopropylamino)-1,3,5-triazin-2-yl-amino) benzoate
  • To a solution of 4-chloro-6-(6-chloropyridin-2-yl)-N-isopropyl-1,3,5-triazin-2-amine (134 mg, 0.47 mmol) in toluene (4 mL) was added methyl 3-aminobenzoate (85.6 mg, 0.57 mmol), Cs2CO3 (306.9 mg, 0.94 mmol), BINAP (29.33 mg, 0.047 mmol) and Pd2(dba)3 (43.13 mg, 0.047 mmol). The mixture was purged with nitrogen three times and stirred at 110° C. for 40 min under M.W. irradiation. TLC (PE:EA=1:1) showed the reaction was complete. The mixture was partitioned between H2O (150 mL) and EA (50 mL). The organic layer was separated, dried over Na2SO4, filtered and concentrated in vacuo. The residue was purified by combi flash to give methyl 3-(4-(6-chloropyridin-2-yl)-6-(isopropylamino)-1,3,5-triazin-2-yl amino)benzoate as a yellow solid.
  • Figure US20220348554A1-20221103-C01013
    • Step 2: Preparation of 3-(4-(6-chloropyridin-2-yl)-6-(isopropylamino)-1,3,5-triazin-2-ylamino)benzoic acid
  • To a solution of methyl 3-(4-(6-chloropyridin-2-yl)-6-(isopropylamino)-1,3,5-triazin-2-y-l amino)benzoate (112 mg, 0.28 mmol) in MeOH (2 mL) was added NaOH (0.28 mL, 3 N). The mixture was stirred at room temperature for 3 h. TLC (PE:EA=1:1) showed the reaction was complete. The mixture was concentrated in vacuo. The residue was acidified with 1 N HCl to pH=6 and extracted with CH2C12 (50 mL*3). The combined extracts were concentrated to give 3-(4-(6-chloropyridin-2-yl)-6-(isopropylamino)-1,3,5-triazin-2-ylamino) benzoic acid as a yellow solid.
  • Figure US20220348554A1-20221103-C01014
    • Step 3: 3-[4-(6-Chloro-pyridin-2-yl)-6-isopropylamino-[1,3,5]triazin-2-ylamino]-N-cyclopropyl-benzamide
  • To a solution of 3-(4-(6-chloropyridin-2-yl)-6-(isopropylamino)-1,3,5-triazin-2-ylamino) benzoic acid (104 mg, 0.27 mmol) in DMF (4 mL) was added HATU (205 mg, 0.54 mmol), NMM (81.93 mg, 0.81 mmol). The mixture was purged with nitrogen and stirred at room temperature overnight. LCMS showed the reaction was complete. The mixture was poured into brine (150 mL) and extracted with EA (50 mL*2). The combined extracts were dried over Na2SO4, filtered and concentrated in vacuo. The residue was purified by a standard method to give the title compound.
  • Figure US20220348554A1-20221103-C01015
  • 1H NMR (METHANOL-d4) δ 8.57-8.40 (m, 2H), 8.01 (t, J=7.9 Hz, 1H), 7.82 (d, J=8.0 Hz, 1H), 7.64 (d, J=8.0 Hz, 1H), 7.48-7.40 (m, 2H), 4.33-4.30 (m, 1H), 2.89-2.87 (m, 1H), 1.32 (d, J=6.4 Hz, 6H), 0.87-0.82 (m, 2H), 0.68-0.64 (m, 2H). LC-MS: m/z 424.2 (M+H)+.
    • Example 8. Preparation of Compounds of Formula I Wherein Ring A is Substituted Aryl or Heteroaryl
  • The compounds of this Example are prepared by the general method in Scheme 8, set forth below.
  • Figure US20220348554A1-20221103-C01016
    • Preparation of 2-Methyl-1-[4-(2-trifluoromethyl-pyridin-4-ylamino)-6-(4-trifluoromethyl-pyrimidin-2-yl)-[1,3,5]triazin-2-ylamino]-propan-2-ol
  • Example 8, step 1: Preparation of 4-chloro-6-(4-trifluoromethyl-pyrimidin-2-yl)-[1,3,5]triazin-2-yl]-(2-trifluoromethyl-pyridin-4-yl)-amine. To a solution of 2,4-dichloro-6-(4-(trifluoromethyl)pyrimidin-2-yl)-1,3,5-triazine (1) (981 mg, 3.31 mmol) in THF (80 mL) was added 2-(trifluoromethyl)pyridin-4-amine (4) (590 mg, 3.64 mmol) and NaHCO3(556 mg, 6.6 mmol). The mixture was stirred at refluxing for 18 hours. The mixture was concentrated and poured to water, extracted with ethyl acetate, dried over sodium sulphate, filtered and concentrated to give a residue, which was purified by SiO2 chromatography to give 4-chloro-6-(4-trifluoromethyl-pyrimidin-2-yl)-[1,3,5]triazin-2-yl]-(2-trifluoromethyl-pyridin-4-yl)-amine (0.45 g, 32%) as a yellow solid.
  • Figure US20220348554A1-20221103-C01017
  • LCMS: m/z 422.2 (M+H)+
  • The following intermediate was similarly prepared according to Example 8, step 1:
    • 4-chloro-6-(6-(trifluoromethyl)pyridin-2-yl)-N-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazin-2-amine
  • Figure US20220348554A1-20221103-C01018
  • LCMS: m/z 421.2 (M+H)+
    • 4-chloro-6-(6-(1,1-difluoroethyl)pyridin-2-yl)-N-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazin-2-amine
  • Figure US20220348554A1-20221103-C01019
  • LCMS: m/z 416.3 (M+H)+
    • Example 8, step 2: 2-Methyl-1-[4-(2-trifluoromethyl-pyridin-4-ylamino)-6-(4-trifluoromethyl-pyrimidin-2-yl)-[1,3,5]triazin-2-ylamino]-propan-2-ol
  • To a solution of [4-chloro-6-(4-trifluoromethyl-pyrimidin-2-yl)-[1,3,5]triazin-2-yl]-(2-trifluoromethyl-pyridin-4-yl)-amine (90 mg, 0.21 mmol) in anhydrous THF (2 mL) was added 1-amino-2-methyl-propan-2-ol (28.5 mg, 0.32 mmol). The mixture was stirred at ambient temperature for 4 hour. After concentration, the residue was purified by a standard method to give 2-methyl-1-[4-(2-trifluoromethyl-pyridin-4-ylamino)-6-(4-trifluoromethyl-pyrimidin-2-yl)-[1,3,5]triazin-2-ylamino]-propan-2-ol.
    • Compound 589—2-methyl-1-((4-((2-(trifluoromethyl)pyridin-4-yl)amino)-6-(4-(trifluoromethyl)pyrimidin-2-yl)-1,3,5-triazin-2-yl)amino)propan-2-ol
  • Figure US20220348554A1-20221103-C01020
  • 1H NMR (MeOH-d4) δ 9.41-9.48 (m, 1H), 8.49-8.72 (m, 2H), 7.92-8.27 (m, 2H), 3.65-3.69 (m, 2H), 1.37 (s, 6H). LC-MS: m/z 475.3 (M+H)+.
  • The following compounds were prepared in a similar manner to the synthetic sequence in Scheme 8, Steps 1 and 2, using appropriate reagents and synthetic intermediates:
    • Compound 590—2-((4-((2-(trifluoromethyl)pyridin-4-yl)amino)-6-(4-(trifluoromethyl)pyrimidin-2-yl)-1,3,5-triazin-2-yl)amino)propan-1-ol
  • Figure US20220348554A1-20221103-C01021
  • 1H NMR (MeOH-d4) δ 9.35-9.41 (m, 1H), 8.39-8.64 (m, 2H), 8.18-8.21 (m, 1H), 7.93-8.13 (m, 1H), 4.34-4.46 (m, 1H), 3.67-3.80 (m, 2H), 1.31-1.39 (m, 3H). LC-MS: m/z 461.3 (M+H)+.
    • Compound 591—2-Methyl-3-[4-(6-trifluoromethyl-pyridin-2-yl)-6-(2-trifluoromethyl-pyridin-4-ylamino)-[1,3,5]triazin-2-ylamino]-butan-2-ol
  • Figure US20220348554A1-20221103-C01022
  • 1H NMR (METHANOL-d4) δ 8.71-8.66 (m, 2H), 8.25-8.61 (m, 1H), 8.24-7.84 (m, 3H), 4.24-4.22 (m, 1H), 1.31-1.28 (s, 3H). LC-MS: m/z 488.0 (M+H)+.
    • Compound 592—N-tert-Butyl-N′-(3-fluoro-5-methanesulfonyl-phenyl)-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01023
  • 1H NMR (METHANOL-d4) δ 8.75-8.73 (m, 1H), 8.24-8.21 (m, 2H), 7.99-7.92 (m, 2H), 7.39-7.37 (m, 1H), 3.20 (s, 3H), 1.57 (s, 9H). LC-MS: m/z 485.1 (M+H)+.
    • Compound 593—N-Cyclopropylmethyl-N′-(3-fluoro-5-methanesulfonyl-phenyl)-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01024
  • 1H NMR (METHANOL-d4) δ 8.71-8.60 (m, 2H), 8.22-7.95 (m, 3H), 7.34-7.33 (m, 1H), 3.44-3.39 (m, 2H), 3.20 (s, 3H), 1.23 (m, 1H), 0.36-0.10 (m, 2H). LC-MS: m/z 483.1 (M+H)+.
    • Compound 594—1-((4-(6-(1,1-difluoroethyl)pyridin-2-yl)-6-((2-(trifluoromethyl)pyridin-4-yl)amino)-1,3,5-triazin-2-yl)amino)-2-methylpropan-2-ol
  • Figure US20220348554A1-20221103-C01025
  • 1H NMR (METHANOL-d4) δ 8.61-8.21 (m, 3H), 8.15-7.85 (m, 3H), 3.59 (d, 2H), 2.11 (t, 3H), 1.27 (d, 6H). LC-MS: m/z 470.2 (M+H)+.
    • Compound 595—N2-(cyclopropylmethyl)-6-(6-(1,1-difluoroethyl)pyridin-2-yl)-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01026
  • 1H NMR (METHANOL-d4) δ 8.66-8.28 (m, 3H), 8.22-7.85 (m, 3H), 3.42 (dd, 2H), 2.11 (t, 3H), 1.21 (br, 1H), 0.59-0.55 (m, 2H), 0.36-0.31 (m, 2H). LC-MS: m/z 452.2 (M+H)+.
    • Compound 596—N2-(tert-butyl)-6-(6-(1,1-difluoroethyl)pyridin-2-yl)-N4-(2-(1,1-difluoroethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01027
  • 1H NMR (METHANOL-d4) δ 8.55-8.41 (m, 3H), 8.11-8.07 (m, 1H), 7.86-7.76 (m, 2H), 2.14-1.93 (m, 6H), 1.56 (s, 9H). LC-MS: m/z 450.2 (M+H)+.
    • Compound 597—N2-(cyclopropylmethyl)-6-(6-(trifluoromethyl)pyridin-2-yl)-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01028
  • 1H NMR (METHANOL-d4) δ 8.75-8.73 (d, 2H), 8.55-8.38 (m, 1H), 8.28-8.22 (m, 1H), 8.02 (d, 1H), 7.88 (br, 1H), 3.53-3.41 (dd, 2H), 1.21 (br, 1H), 0.64-0.58 (m, 2H), 0.46-0.33 (m, 2H).
  • LC-MS: m/z 456.2 (M+H)+.
    • Compound 598—N2-(cyclopropylmethyl)-N4-(3,5-difluorophenyl)-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01029
  • 1H NMR (METHANOL-d4) δ 8.68-865 (m, 1H), 8.22-8.18 (m, 1H), 7.97-7.95 (m, 1H), 7.56-7.52 (m, 2H), 6.61-6.56 (m, 1H), 3.44-3.38 (m, 2H), 1.20-1.18 (m, 1H), 0.57-0.55 (m, 2H), 0.34-0.33 (m, 2H). LC-MS: m/z 423.2 (M+H)+.
    • Compound 599—N2-(3-chloro-5-(methylsulfonyl)phenyl)-N4-(cyclopropylmethyl)-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01030
  • 1H NMR (METHANOL-d4) δ 8.73-8.71 (m, 2H), 8.24-8.20 (t, J=8 Hz, 1H), 8.10 (s, 1H), 7.99-7.97 (d, J=8 Hz, 1H), 7.61 (s, 1H), 3.49-3.43 (m, 2H), 3.19 (s, 1H), 1.23-1.19 (m, 1H), 0.58-0.55 (m, 2H), 0.39-0.35 (m, 2H). LC-MS: m/z 499.2 (M+H)+.
    • Compound 600—N2-(tert-butyl)-N4-(3-chloro-5-(methylsulfonyl)phenyl)-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01031
  • 1H NMR (METHANOL-d4) δ 8.68-8.66 (m, 2H), 8.43-8.28 (m, 1H), 8.18-8.14 (m, 2H), 7.94-7.92 (d, J=7.6 Hz, 1H), 7.58-7.53 (m, 1H), 3.16 (s, 3H), 1.53 (s, 9H). LC-MS: m/z 501.2 (M+H)+.
    • Compound 601—N2-(tert-butyl)-N4-(3,5-difluorophenyl)-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01032
  • 1H NMR (METHANOL-d4) δ 8.64-8.62 (m, 1H), 8.20-8.16 (m, 1H), 7.95-7.93 (m, 1H), 7.50-7.48 (m, 2H), 6.60-6.53 (m, 1H), 1.53 (s, 9H). LC-MS: m/z 425.5 (M+H)+.
    • Compound 602—N2-(tert-butyl)-6-(6-(trifluoromethyl)pyridin-2-yl)-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01033
  • 1H NMR (METHANOL-d4) δ 8.67-8.64 (m, 1H), 8.49-8.48 (m, 1H), 8.21-8.17 (m., 2H), 7.96-7.94 (m, 1H), 7.81 (br.s., 1H), 1.55 (s, 9H). LC-MS: m/z 458.2 (M+H)+.
    • Compound 603—N2-(3,5-difluorophenyl)-N4-isopropyl-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01034
  • 1H NMR (METHANOL-d4) δ 8.35-8.16 (d, 1H), 7.79-7.65 (m, 1H), 7.58-7.56 (s, 2H), 7.30-7.20 (d, 1H), 6.10-6.0 (s, 1H), 4.50-4.27 (m, 1H), 1.33-1.31 (d, 6H). LC-MS: m/z 411.1 (M+H)+.
    • Compound 604—N2-(cyclopropylmethyl)-N4-(2-(1,1-difluoroethyl)pyridin-4-yl)-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01035
  • 1H NMR (METHANOL-d4) δ 8.68 (d, 1H), 8.50-8.18 (m, 3H), 8.02-7.73 (m, 2H), 3.42 (dd, 2H), 2.01 (t, 2H), 1.24-1.16 (m, 1H), 0.58-0.55 (m, 2H), 0.35-0.33 (m, 2H). LC-MS: m/z 452.1 (M+H)+.
    • Compound 605—1-((4-(6-(1,1-difluoroethyl)pyridin-2-yl)-6-((2-(1,1-difluoroethyl)pyridin-4-yl)amino)-1,3,5-triazin-2-yl)amino)-2-methylpropan-2-ol
  • Figure US20220348554A1-20221103-C01036
  • 1H NMR (METHANOL-d4) δ 8.58-8.13 (m 3H), 8.11-7.76 (m, 3H), 3.60 (d, 2H), 2.17-1.93 (m, 6H), 1.28 (d, 6H). LC-MS: m/z 466.1 (M+H)+.
    • Compound 606—1-(4-((4-(tert-butylamino)-6-(6-(1,1-difluoroethyl)pyridin-2-yl)-1,3,5-triazin-2-yl)amino)pyridin-2-yl)cyclopropanecarbonitrile
  • Figure US20220348554A1-20221103-C01037
  • 1H NMR (METHANOL-d4) δ 8.71-8.5 (m, 1H), 8.4-8.2 (m, 1H), 8.1 (m, 1H), 7.9 (m, H), 7.6 (m, 1H), 2.15-2.06 (t, J=18 Hz, 3H), 1.78-1.74 (d, J=16 Hz, 4H), 1.55 (s, 9H). LC-MS: m/z 450.2 (M+H)+.
    • Compound 607—N2-(cyclopropylmethyl)-N4-(3-(methylsulfonyl)phenyl)-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01038
  • 1H NMR (DMSO, T=273+80K) δ 10.03 (s, 1H), 8.78 (s, 1H), 8.59-8.57 (m, 1H), 8.28-8.24 (m, 1H), 8.04-7.97 (m, 2H), 7.59-7.84 (m, 3H), 3.35 (br.s., 2H), 3.17 (S, 3H), 1.15-1.14 (m, 1H), 0.48-0.46 (m, 2H), 0.32-0.31 (m, 2H). LC-MS: m/z 465.2 (M+H)+.
    • Compound 608—1-(4-((4-(tert-butylamino)-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazin-2-yl)amino)pyridin-2-yl)cyclopropanecarbonitrile
  • Figure US20220348554A1-20221103-C01039
  • 1H NMR (METHANOL-d4) δ 8.87-8.85 (m, 1H), 8.7-8.11 (m, 2H), 7.96-7.87 (m, 1H), 7.585-7.583 (m, 1H) 1.8-1.70 (d, 4H), 1.59-1.54 (m, 6H). LC-MS: m/z 455.1 (M+H)+.
    • Compound 609—N2-(3-chloro-5-(methylsulfonyl)phenyl)-N4-(cyclopropylmethyl)-6-(6-(1,1-difluoroethyl)pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01040
  • 1H NMR (METHANOL-d4) δ 8.65 (s, 1H), 8.54-8.51 (m, 1H), 8.06-8.04 (t, J=7.8 Hz, 2H), 7.84-7.82 (d, J=7.6 Hz, 1H), 7.57-7.56 (m, 1H), 3.39-3.37 (m, 2H), 3.14 (s, 3H), 2.13-20.3 (t, J=19.2 Hz, 1H), 1.18-1.13 (m, 1H), 0.54-0.50 (m, 2H), 0.32-0.31 (m, 2H). LC-MS: m/z 501.2 (M+H)+.
    • Compound 610—N2-(cyclopropylmethyl)-6-(6-(1,1-difluoroethyl)pyridin-2-yl)-N4-(2-(1,1-difluoroethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01041
  • 1H NMR (METHANOL-d4) δ 8.56-8.13 (m, 3H), 8.11-7.77 (m, 3H), 3.45-3.40 (m, 2H), 2.15-1.94 (m, 6H), 1.22-1.18 (m, 1H), 0.58-1.19 (m, 1H), 0.59-0.54 (m, 2H), 0.36-0.31 (m, 2H). LC-MS: m/z 448.2 (M+H)+.
    • Compound 611—N2-(cyclopropylmethyl)-6-(6-(1,1-difluoroethyl)pyridin-2-yl)-N4-(3-(methylsulfonyl)phenyl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01042
  • 1H NMR (METHANOL-d4) δ 8.96 (s, 1H), 8.58-8.55 (m, 1H), 8.10-7.78 (m, 3H), 7.62-7.55 (m, 2H), 3.44-3.41 (m, 2H), 3.14 (d, 3H), 2.11 (t, 3H), 1.20-1.17 (m, 1H), 0.57-0.52 (m, 2H), 0.36-0.33 (m, 2H). LC-MS: m/z 461.2 (M+H)+.
    • Compound 612—N2-(cyclopropylmethyl)-6-(6-(1,1-difluoroethyl)pyridin-2-yl)-N4-(3-fluoro-5-(methylsulfonyl)phenyl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01043
  • 1H NMR (METHANOL-d4) δ 8.58-8.13 (m, 2H), 8.12-7.86 (m, 2H), 7.36-7.32 (m, 1H), 3.46-3.41 (m, 2H), 3.19 (d, 3H), 2.13 (t, 3H), 1.24-1.18 (m, 1H), 0.59-0.56 (m, 2H), 0.37-0.35 (m, 2H). LC-MS: m/z 479.2 (M+H)+.
    • Compound 613—6-(6-(1,1-difluoroethyl)pyridin-2-yl)-N2-(3-fluoro-5-(methylsulfonyl)phenyl)-N4-isopropyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01044
  • 1H NMR (METHANOL-d4) δ 8.57 (d, 2H), 8.13-7.86 (m, 3H), 7.37-7.32 (m, 1H), 4.37-4.34 (m, 1H), 3.19 (d, 3H), 2.18-2.06 (m, 3H), 1.35-1.32 (m, 6H). LC-MS: m/z 467.2 (M+H)+.
    • Compound 614—N2-(3-chloro-5-(methylsulfonyl)phenyl)-6-(6-(1,1-difluoroethyl)pyridin-2-yl)-N4-isopropyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01045
  • 1H NMR (METHANOL-d4) δ 8.73-8.33 (m, 2H), 8.11 (t, 2H), 7.87 (d, 1H), 7.61 (s, 1H), 4.48-4.28 (m, 1H), 3.20 (d, 3H), 2.13 (t, 3H), 1.34 (t, 6H). LC-MS: m/z 488.2 (M+H)+.
    • Compound 615—N2-(tert-butyl)-N4-(3-chloro-5-(methylsulfonyl)phenyl)-6-(6-(1,1-difluoroethyl)pyridin-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01046
  • 1H NMR (METHANOL-d4) δ 8.57-8.56 (m, 1H), 8.43-8.25 (m, 2H), 8.12-8.06 (m, 1H), 7.85 (d, 1H), 7.61 (s, 1H), 3.17 (s, 3H), 2.11 (t, 3H), 1.56 (s, 9H). LC-MS: m/z 497.2 (M+H)+.
    • Compound 616—N2-(tert-butyl)-6-(6-(1,1-difluoroethyl)pyridin-2-yl)-N4-(3-fluoro-5-(methylsulfonyl)phenyl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01047
  • 1H NMR (METHANOL-d4) δ 8.59-8.42, 8.13-8.05 (m, 2H), 7.87 (d, 1H), 7.39-7.34 (m, 1H), 3.19 (s, 3H), 2.18-2.06 (m, 3H), 1.57 (s, 9H). LC-MS: m/z 481.2 (M+H)+.
    • Compound 617—1-(4-((4-((cyclopropylmethyl)amino)-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazin-2-yl)amino)pyridin-2-yl)cyclopropanecarbonitrile
  • Figure US20220348554A1-20221103-C01048
  • 1H NMR (METHANOL-d4) δ 8.87-8.85 (m, 1H), 8.7-8.11 (m, 2H), 7.96-7.87 (m, 1H), 7.585-7.583 (m, 1H), 3.35 (br.s., 2H), 1.15-1.14 (m, 1H), 0.48-0.46 (m, 2H), 0.32-0.31 (m, 2H). LC-MS: m/z 453.1 (M+H)+.
    • Compound 618 —(4-((4-((cyclopropylmethyl)amino)-6-(6-(1,1-difluoroethyl)pyridin-2-yl)-1,3,5-triazin-2-yl)amino)pyridin-2-yl)-2-methylpropanenitrile
  • Figure US20220348554A1-20221103-C01049
  • 1H NMR (METHANOL-d4) δ 8.60-8.56 (m, 1H), 8.44-8.37 (m, 2H), 8.11-8.03 (m, 1H), 7.87-7.85 (m, 1H), 7.62-7.60 (m, 1H), 3.45-3.43 (d, 2H), 2.15-2.06 (t, 3H), 1.78 (s, 6H), 1.21-1.16 (m, 1H), 0.57-0.54 (m, 2H), 0.36-0.33 (m, 2H). LC-MS: m/z 451.2 (M+H)+.
    • Compound 619—1-(4-((4-((cyclopropylmethyl)amino)-6-(6-(1,1-difluoroethyl)pyridin-2-yl)-1,3,5-triazin-2-yl)amino)pyridin-2-yl)cyclopropanecarbonitrile
  • Figure US20220348554A1-20221103-C01050
  • 1H NMR (METHANOL-d4) δ 8.64-8.57 (t, 1H), 8.54-8.53 (d, 1H), 8.26-8.25 (d, 1H), 8.09-8.05 (m, 1H), 7.86-7.83 (m, 1H), 7.45-7.42 (m, 1H), 3.46-3.44 (d, 2H), 2.16-2.06 (q, 3H), 1.80-1.71 (m, 4H), 1.19-1.12 (m, 1H), 0.56-0.53 (m, 2H), 0.37-0.34 (m, 2H). LC-MS: m/z 449.3 (M+H)+.
    • N2-isopropyl-6-(6-(2,2,2-trifluoroethylamino)pyridin-2-yl)-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01051
  • 1H NMR (DMSO-d4): δ 10.6-10.2 (m, 1H), 8.7-8.4 (m, 2H), 8.4-7.8 (m, 2H), 7.8-7.5 (m, 2H), 7.4-7.2 (m, 1H), 6.8 (m, 1H), 4.5-4.0 (m, 3H), 1.2 (d, J=4.8 Hz, 1H). LC-MS: m/z 473.2 (M+H)+.
  • The following compounds were prepared according to the general procedure shown in Scheme 4:
    The following intermediates prepared according to Example 4, step 1, using appropriate reagents:
    • Preparation of (4,6-Dichloro-[1,3,5]triazin-2-yl)-oxetan-3-yl-amine
  • Using the standard procedure described above yielded the title compound which was directly used in the next step.
  • Figure US20220348554A1-20221103-C01052
    • Preparation of (4,6-Dichloro-[1,3,5]triazin-2-yl)-(3-oxa-bicyclo[3.1.0]hex-6-yl)-amine
  • Using the standard procedure described above except DIPEA (1 eq) was added to give (4,6-Dichloro-[1,3,5]triazin-2-yl)-(3-oxa-bicyclo[3.1.0]hex-6-yl-amine as a white solid.
  • Figure US20220348554A1-20221103-C01053
  • LCMS: m/z 247.1 (M+H)+.
  • The following intermediates were prepared according to Example 4, step 2:
    • Preparation of 4-chloro-6-(2-fluoro-3-methoxyphenyl)-N-(oxetan-3-yl)-1,3,5-triazin-2-amine
  • Using the standard procedure described above yielded the title compound
  • Figure US20220348554A1-20221103-C01054
  • LCMS: m/z 311.0 (M+H)+.
    • Step 2-9: Preparation of 4-chloro-6-(2-fluoro-5-methoxyphenyl)-N-(oxetan-3-yl)-1,3,5-triazin-2-amine
  • Using the standard procedure described above yielded the title compound.
  • Figure US20220348554A1-20221103-C01055
  • LCMS: m/z 311.1 (M+H)+.
    • Preparation of N-((1R,5S,6r)-3-oxabicyclo[3.1.0]hexan-6-yl)-4-chloro-6-(2-fluoro phenyl)-1,3,5-triazin-2-amine
  • Using the standard procedure described above yielded the title compound
  • Figure US20220348554A1-20221103-C01056
  • LCMS: m/z 306.9 (M+H)+.
    • Preparation of 4-chloro-6-(2-fluorophenyl)-N-isobutyl-1,3,5-triazin-2-amine
  • Using the standard procedure described yielded the title compound
  • Figure US20220348554A1-20221103-C01057
  • LCMS: m/z 281.1 (M+H)+.
    • Preparation of 4-Chloro-6-(6-fluoro-5-methoxyphenyl)-N-isopropyl-1,3,5-tri-azin-2-amine
  • Using the standard procedure described above yielded the title compound as a white solid.
  • Figure US20220348554A1-20221103-C01058
  • LCMS: m/z 297.1 (M+H)+.
  • Preparation of 4-(3-(1-((tert-butyldimethylsilyl)oxy)cyclopropyl)phenyl)-6-chloro-N-isopropyl-1,3,5-triazin-2-amine. Using the standard procedure described above yielded the title compound as a colorless oil.
  • Figure US20220348554A1-20221103-C01059
  • The following compounds were synthesized using Example 4, step 3 (Procedure C), utilizing appropriate intermediates and reagents:
    • Compound 621—1-(4-(2-fluorophenyl)-6-(5-fluoropyridin-3-ylamino)-1,3,5-triazin-2-ylamino)-2-methylpropan-2-ol
  • Figure US20220348554A1-20221103-C01060
  • 1H NMR (METHANOL-d4) δ 8.68-9.01 (m, 1H), 8.44-8.51 (m, 2H), 8.20-8.23 (m, 1H), 8.76-8.77 (m, 1H), 7.38-7.47 (m, 2H), 7.76-7.81 (m, 2H), 3.56-3.61 (m, 2H), 1.27-1.31 (m, 6H). LC-MS: m/z 373.3 (M+H)+.
    • Compound 622—1-(4-(2-fluorophenyl)-6-(6-fluoropyridin-3-ylamino)-1,3,5-triazin-2-ylamino)-2-methylpropan-2-ol
  • Figure US20220348554A1-20221103-C01061
  • 1H NMR (METHANOL-d4) δ 8.08-8.15 (m, 1H), 7.96-7.97 (m, 2H), 7.83-7.89 (m, 1H), 7.51-7.54 (m, 2H), 7.21-7.31 (m, 2H), 3.53-3.55 (m, 2H), 3.56-3.61 (m, 2H), 1.25-1.27 (m, 6H). LC-MS: m/z 373.2 (M+H)+.
    • Compound 623—1-(4-(2-fluorophenyl)-6-(2-fluoropyridin-4-ylamino)-1,3,5-triazin-2-ylamino)-2-methylpropan-2-ol
  • Figure US20220348554A1-20221103-C01062
  • 1H NMR (METHANOL-d4) δ 8.27-8.55 (m, 1H), 8.25-8.27 (m, 2H), 7.77-7.78 (m, 1H), 7.39-7.47 (m, 2H), 7.16-7.19 (m, 1H), 3.51-3.53 (m, 2H), 1.28 (m, 6H). LC-MS: m/z 373.2 (M+H)+.
    • Compound 624-6-(2-Fluoro-3-methoxy-phenyl)-N-oxetan-3-yl-N′-(2-trifluoromethyl-pyridin-4-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01063
  • 1H NMR (DMSO-d6) δ 10.53-10.43 (m, 1H), 8.89-7.92 (m, 4H), 7.55-7.48 (m, 1H), 7.39-7.34 (m, 1H), 7.25 (t, J=8.25 Hz, 1H), 5.07-5.01 (m, 1H), 4.83-4.77 (m, 2H), 4.61 (t, J=6.18 Hz, 2H), 3.88 (s, 3H). LC-MS: m/z 437.2 (M+H)+.
    • Compound 625—6-(2-Fluoro-phenyl)-N-(5-fluoro-pyridin-3-yl)-N′-oxetan-3-yl-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01064
  • 1H NMR (DMSO-d6) δ 10.17-10.12 (m, 1H), 8.77-7.98 (m, 5H), 7.61-7.59 (m, 1H), 7.37-7.34 (m., 2H), 5.09-5.06 (m, 1H), 4.81-4.80 (m, 2H), 4.62-4.61 (m, 2H). LC-MS: m/z 357.1 (M+H)+.
    • Compound 626—6-(2-Fluoro-phenyl)-N-(6-fluoro-pyridin-3-yl)-N′-oxetan-3-yl-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01065
  • 1H NMR (DMSO-d6) δ 10.06-9.59 (m, 1H), 8.71-8.29 (m, 3H), 8.07-7.95 (m, 1H), 7.61-7.56 (m., 1H), 7.34-7.28 (m, 2H), 7.16-7.15 (m, 1H), 5.06-4.95 (m, 1H), 4.77-4.76 (m, 2H), 4.59-4.56 (m, 2H). LC-MS: m/z 357.1 (M+H)+.
    • Compound 627—6-(2-Fluoro-phenyl)-N-oxetan-3-yl-N′-(2-trifluoromethyl-pyridin-4-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01066
  • 1H NMR (METHANOL-d4) δ 8.56-8.47 (m, 2H), 8.17-7.89 (m, 2H), 7.58-7.53 (m, 1H), 7.31-7.21 (m., 2H), 5.34-5.24 (m, 1H), 5.01-4.99 (m, 2H), 4.80-4.73 (m, 2H). LC-MS: m/z 407.2 (M+H)+.
    • Compound 628—6-(2-Fluoro-phenyl)-N-(2-fluoro-pyridin-4-yl)-N′-oxetan-3-yl-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01067
  • 1H NMR (DMSO-d6) δ 10.45-10.39 (m, 1H), 8.86-8.68 (m, 1H), 8.08-7.69 (m, 5H), 7.37-7.33 (m., 2H), 5.11-5.09 (m, 1H), 4.85-4.80 (m, 2H), 4.64-4.59 (m, 2H). LC-MS: m/z 357.1 (M+H)+.
    • Compound 629—6-(2-Fluoro-phenyl)-N-oxetan-3-yl-N′-(5-trifluoromethyl-pyridin-3-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01068
  • 1H NMR (DMSO-d6) δ 10.34-10.20 (m, 1H), 9.25-8.50 (m, 3H), 8.06-8.00 (m, 1H), 7.77-7.72 (m., 1H), 7.39-7.25 (m, 2H), 5.10-4.99 (m, 1H), 4.79-4.56 (m, 2H), 4.59-4.52 (m, 2H). LC-MS: m/z 407.3 (M+H)+.
    • Compound 630—6-(2-Fluoro-5-methoxy-phenyl)-N-isopropyl-N′-(2-trifluoromethyl-pyridin-4-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01069
  • 1H NMR (METHANOL-d4) δ 8.70-7.82 (m, 3H), 7.67-7.61 (m, 1H), 7.16-7.06 (m, 2H), 4.30-4.25 (m., 1H), 3.84 (s, 3H), 4.26-4.23 (m, 1H), 1.317-1.279 (d, J=15.2 MHz, 3H). LC-MS: m/z 422.9 (M+H)+.
    • Compound 631—6-(2-Fluoro-3-methoxy-phenyl)-N-isopropyl-N′-(2-trifluoromethyl-pyridin-4-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01070
  • 1H NMR (METHANOL-d4) δ 8.65-7.83 (m, 3H), 7.59-7.56 (m, 1H), 7.24-7.16 (m, 2H), 4.28-4.25 (m., 1H), 3.92 (s, 3H), 1.315-1.272 (d, J=17.2 MHz, 3H). LC-MS: m/z 423.0 (M+H)+.
    • Compound 632—2-(4-((4-(2-fluorophenyl)-6-(isopropylamino)-1,3,5-triazin-2-yl)amino)pyridin-2-yl)propan-2-ol
  • Figure US20220348554A1-20221103-C01071
  • 1H NMR (DMSO-d6) δ 8.30-8.08 (m, 3H), 7.70-7.51 (m, 2H), 7.29 (t, 1H), 7.24-7.19 (dd, 1H), 4.36-4.34 (m, 1H), 1.57 (s, 6H), 1.32-1.28 (m, 6H). LC-MS: m/z 383.3 (M+H)+.
    • Compound 633—2-Fluoro-3-[4-isopropylamino-6-(2-trifluoromethyl-pyridin-4-ylamino)-[1,3,5]triazin-2-yl]-phenol
  • Figure US20220348554A1-20221103-C01072
  • 1H NMR (METHANOL-d4) δ 8.70-8.68 (d, J=6 Hz, 1H), 8.56-8.49 (m, 1H), 7.90-7.89 (m, 1H), 7.59-7.57 (m., 1H), 7.33-7.23 (m, 2H), 4.39-4.35 (m, 1H), 1.407-1.391 (d, J=6.4 Hz, 3H). LC-MS: m/z 409.3 (M+H)+.
    • Compound 634—4-Fluoro-3-[4-isopropylamino-6-(2-trifluoromethyl-pyridin-4-ylamino)-[1,3,5]triazin-2-yl]-phenol
  • Figure US20220348554A1-20221103-C01073
  • 1H NMR (METHANOL-d4) δ 8.70-8.68 (d, J=5.6 MHz, 1H), 8.56-8.53 (m, 1H), 7.91-7.89 (m, 1H), 7.58-7.55 (m., 1H), 7.27-7.15 (m, 2H), 4.40-4.35 (m, 1H), 1.40-1.39 (d, J=6.4 MHz, 3H).
  • LC-MS: m/z 409.1 (M+H)+.
    • Compound 635—6-(2-Fluoro-5-methoxy-phenyl)-N-oxetan-3-yl-N′-(2-trifluoromethyl-pyridin-4-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01074
  • 1H NMR (DMSO-d6) δ 10.73-10.63 (m, 1H), 9.11-8.11 (m, 4H), 7.82-7.69 (m, 1H), 7.47 (t, J=9.62 Hz, 1H), 7.35 (brs., 1H), 5.34-5.20 (m, 1H), 5.04-5.00 (m, 2H), 4.83-4.80 (m, 2H), 3.80 (s, 3H). LC-MS: m/z 437.3 (M+H)+.
    • Compound 636—6-(2-Fluoro-phenyl)-N-(2-fluoro-pyridin-4-yl)-N′-(3-oxa-bicyclo[3.1.0]hex-6-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01075
  • 1H NMR (DMSO-d6) δ 10.50-10.21 (m, 1H), 8.35-7.85 (m, 4H), 7.62-7.52 (m, 2H), 7.37-7.29 (m, 2H), 3.96-3.88 (m., 2H), 3.69-3.61 (m, 2H), 2.66-2.49 (m, 1H), 1.94-1.87 (m, 2H). LC-MS: m/z 383.1 (M+H)+.
    • Compound 637-6-(2-Fluoro-phenyl)-N-(6-fluoro-pyridin-3-yl)-N′-(3-oxa-bicyclo[3.1.0]hex-6-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01076
  • 1H NMR (METHANOL-d4) δ 8.71-8.57 (m, 1H), 8.30 (brs. 1H), 8.18 (brs. 1H), 7.81 (brs. 1H), 7.50-7.43 (m., 2H), 7.21 (brs. 1H), 4.12-4.02 (m, 2H), 3.81-3.75 (m, 2H), 2.80-2.68 (m, 1H), 2.14-2.09 (m, 2H). LC-MS: m/z 383.2 (M+H)+.
    • Compound 638—6-(2-Fluoro-phenyl)-N-(5-fluoro-pyridin-3-yl)-N′-(3-oxa-bicyclo[3.1.0]hex-6-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01077
  • 1H NMR (METHANOL-d4) δ 8.67 (brs., 2H), 8.20-8.07 (m, 2H), 7.56 (brs., 1H), 7.32-7.21 (m, 2H), 4.14-4.05 (m., 2H), 3.83-3.78 (m, 2H), 2.71-2.68 (m, 1H), 2.00-1.96 (m, 2H). LC-MS: m/z 383.1 (M+H)+.
    • Compound 639—{3-[4-Isopropylamino-6-(2-trifluoromethyl-pyridin-4-ylamino)-[1,3,5]triazin-2-yl]-phenyl}-methanol
  • Figure US20220348554A1-20221103-C01078
  • 1H NMR (METHANOL-d4) δ 8.37-8.41 (m, 3H), 8.31-8.28 (m, 2H), 7.53-7.53 (d, J=6 Hz, 1H), 7.46-7.45 (m, 1H), 4.685 (s, 2H), 4.52-4.18 (m, 1H), 1.31-1.30 (d, J=6.4 Hz, 6H). LC-MS: m/z 405.1 (M+H)+.
    • Compound 640—3-H-Isopropylamino-6-(2-trifluoromethyl-pyridin-4-ylamino)-[1,3,5]triazin-2-yl]-phenol
  • Figure US20220348554A1-20221103-C01079
  • 1H NMR (METHANOL-d4) δ 8.679-8.245 (m, 2H), 7.95-7.83 (m, 2H), 7.32-7.282 (m, 1H), 7.00-6.98 (d, J=8 Hz, 1H), 4.31-4.28 (m, 1H), 1.34-1.25 (m, 6H). LC-MS: m/z 391.2 (M+H)+.
    • Compound 641—3-(4-((2-hydroxy-2-methylpropyl)amino)-6-((2-(trifluoromethyl)pyridin-4-yl)amino)-1,3,5-triazin-2-yl)phenol
  • Figure US20220348554A1-20221103-C01080
  • 1H NMR (METHANOL-d4) δ 8.72-8.70 (m, 1H), 8.68-8.38 (m, 1H), 8.28-7.96 (m, 1H), 7.79-7.70 (m, 2H), 7.51-7.44 (m, 1H), 7.23-7.17 (m, 1H), 3.65 (d, 2H), 1.36 (d, 6H). LC-MS: m/z 421.2 (M+H)+.
    • Compound 642—5-(4-((3,5-difluorophenyl)amino)-6-(isopropylamino)-1,3,5-triazin-2-yl)benzene-1,3-diol
  • Figure US20220348554A1-20221103-C01081
  • 1H NMR (METHANOL-d4) δ 7.51-7.48 (m, 2H), 7.30 (d, 2H), 6.52-6.41 (m, 2H), 4.23-4.21 (m, 1H), 1.35-1.27 (m, 6H). LC-MS: m/z 374.1 (M+H)+.
    • Compound 644—6-(3-Chloro-5-trifluoromethyl-phenyl)-N-isopropyl-N′-(2-trifluoromethyl-pyridin-4-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01082
  • 1H NMR (METHANOL-d4) δ 8.79-8.50 (m, 3H), 8.49-7.86 (m, 2H), 7.77-7.76 (m, 1H), 4.26-4.23 (m, 1H), 1.32-1.30 (d, 6H). LC-MS: m/z 477.1 (M+H)+.
    • Compound 645—6-(6-aminopyridin-3-yl)-N2-(3,5-difluorophenyl)-N4-isopropyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01083
  • 1H NMR (DMSO-d6) δ 9.80 (d, 1H), 8.87 (d, 1H), 8.52-7.29 (m, 5H), 6.78-6.50 (m, 3H), 4.29-4.11 (m, 1H), 1.20 (d, 6H). LC-MS: m/z 358.2 (M+H)+.
    • Compound 646—3-(4-(tert-butylamino)-6-((3-fluoro-5-(methylsulfonyl)phenyl)amino)-1,3,5-triazin-2-yl)phenol
  • Figure US20220348554A1-20221103-C01084
  • 1H NMR (METHANOL-d4) δ 8.37-7.74 (m, 4H), 7.25 (br, 2H), 6.92 (br, 1H), 3.13 (s, 3H), 1.51 (s, 6H). LC-MS: m/z 432.0 (M+H)+.
    • Compound 647—6-(3-chloro-5-fluorophenyl)-N2-isopropyl-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01085
  • 1H NMR (DMSO-d6) δ 10.39-10.56 (m, 1H), 8.16-8.70 (m, 4H), 7.71-8.00 (m, 3H), 4.16-4.35 (m, 1H), 1.25 (dd, J=6.4, 6H). LC-MS: m/z 427.1 (M+H)+.
    • Compound 648—N2-isopropyl-6-(2-methoxypyridin-3-yl)-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01086
  • 1H NMR (METHANOL-d4) δ 8.61-8.27 (m, 3H), 8.23-7.88 (m, 2H), 7.09-7.06 (m, 1H), 4.28-4.25 (m, 1H), 4.01 (s, 3H), 1.31-1.28 (m, 6H). LC-MS: m/z 406.1 (M+H)+.
  • Example 9. Preparation of Compounds of Formula I Wherein Ring A is Substituted Aryl or Heteroaryl. The compounds of this Example are prepared by the general method in Scheme 9, set forth below.
  • Figure US20220348554A1-20221103-C01087
    • Compound 649—6-(2-aminopyrimidin-5-yl)-N2-(3,5-difluorophenyl)-N4-isopropyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01088
    • Example 9, Step 1 Preparation of 6-chloro-N2-(3,5-difluorophenyl)-N4-isopropyl-1,3,5-triazine-2,4-diamine
  • To a solution of 4,6-dichloro-N-isopropyl-1,3,5-triazin-2-amine (1 g, 4.83 mmol) in THF (10 mL) was added 3,5-difluoro aniline (0.62 g, 4.83 mmol), tBuONa (0.93 g, 9.66 mol) and Pd(dppf)C12 (0.35 g, 0.48 mmol). The mixture was stirred at 80° C. under N2 protection fro 2 hrs. The reaction was quenched by water and extracted by EtOAc. The organic layer was dried, concentrated and purified to afford 6-chloro-N2-(3,5-difluorophenyl)-N4-isopropyl-1,3,5-triazine-2,4-diamine as white solid.
    • Example 9, Step 2
  • To a mixture of 5-chloro-N1-(3,5-difluorophenyl)-N3-isopropylbenzene-1,3-diamine (50 mg, 0.17 mmol), 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-amine (37 mg, 0.17 mmol) and Cs2CO3 (108 mg, 0.34 mmol) in dioxane/water (0.8 mL/0.16 mL) was added Pd(PPh3)4 (19 mg, 0.017 mmol). The mixture was heated to 80° C. for 2 hours. The mixture was concentrated and purified by a standard method to give 6-(2-aminopyrimidin-5-yl)-N2-(3,5-difluoro-phenyl)-N4-isopropyl-1,3,5-triazine-2,4-diamine.
  • 1H NMR (METHANOL-d4): δ 9.11-9.17 (m, 2H), 7.49-7.50 (m, 2H), 6.51-6.55 (m, 1H), 4.22-4.34 (m, 1H), 1.35 (d, J=6.8 Hz, 6H). LC-MS: m/z 359.2 (M+H)+.
  • The following compounds were prepared according Example 8, method B, using appropriate intermediates and reagents.
    • Compound 650—6-(4-(isopropylamino)-6-((2-(trifluoromethyl)pyridin-4-yl)amino)-1,3,5-triazin-2-yl)pyridin-2(1H)-one
  • Figure US20220348554A1-20221103-C01089
  • 1H NMR (METHANOL-d4) δ 8.70-8.25 (m, 2H), 8.15-8.06 (m, 1H), 7.81-7.50 (m, 1H), 6.89 (br, 1H), 4.31-4.23 (m, 1H), 1.34-1.29 (m, 6H). LC-MS: m/z 392.1 (M+H)+.
    • Compound 651—6-(4-(isopropylamino)-6-((2-(trifluoromethyl)pyridin-4-yl)amino)-1,3,5-triazin-2-yl)picolinamide
  • Figure US20220348554A1-20221103-C01090
  • 1H NMR (DMSO-d6) δ 10.56 (br, 1H), 8.87-8.85 (m, 1H), 8.68-8.04 (m, 6H), 7.92-7.96 (m, 1H), 7.63-7.59 (m, 1H), 7.58-7.48 (m, 1H), 4.20-4.15 (m, 1H), 1.25 (d, 6H). LC-MS: m/z 418.2 (M+H)+.
    • Compound 652-2,2,2-trifluoro-1-(3-(4-(isopropylamino)-6-((2-(trifluoromethyl)pyridin-4-yl)amino)-1,3,5-triazin-2-yl)phenyl)ethanol
  • Figure US20220348554A1-20221103-C01091
  • 1H NMR (METHANOL-d4) δ 8.76-8.40 (m, 4H), 8.32-7.52 (m, 3H), 5.16-5.11 (m, 1H), 4.51-4.28 (m, 1H), 1.34 (d, 6H). LC-MS: m/z 473.2 (M+H)+.
    • Compound 653—N-Isopropyl-6-(3-methanesulfinyl-phenyl)-N′-(2-trifluoromethyl-pyridin-4-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01092
  • 1H NMR (METHANOL-d4) δ 8.81-8.28 (m, 4H), 7.91-7.71 (m, 3H), 4.51-4.28 (m, 1H), 2.88 (s, 3H), 1.36-1.33 (m, 6H). LC-MS: m/z 437.2 (M+H)+.
    • Compound 654—6-(3-(aminomethyl)phenyl)-N2-isopropyl-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01093
  • 1H NMR (METHANOL-d4) δ 8.66-8.40 (m, 4H), 7.96 (br, 1H), 7.77-7.67 (m, 2H), 4.52-4.31 (m, 1H), 4.24 (s, 2H), 1.34 (d, 6H). LC-MS: m/z 404.2 (M+H)+.
    • Compound 655—6-(3-chloro-5-methoxyphenyl)-N2-isopropyl-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01094
  • 1H NMR (DMSO-d6) δ 10.44 (d, 1H), 8.71 (s, 1H), 8.57-8.55 (m, 1H), 8.30-8.08 (m, 1H), 7.92-7.79 (m, 3H), 6.97 (s, 1H), 4.35-4.13 (m, 1H), 3.86 (s, 3H), 1.24 (d, 6H). LC-MS: m/z 439.2 (M+H)+.
    • Compound 657—N-Isopropyl-6-(3-methanesulfonyl-phenyl)-N′-(2-trifluoromethyl-pyridin-4-yl)-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01095
  • 1H NMR (METHANOL-d4) δ 8.95 (s, 1H), 8.76-7.98 (m, 5H), 7.80-7.76 (m, 1H), 4.49-4.22 (m, 1H), 3.17 (s, 3H), 1.34-1.27 (m, 6H). LC-MS: m/z 453.2 (M+H)+.
    • Compound 658—3-Fluoro-5-[4-isopropylamino-6-(2-trifluoromethyl-pyridin-4-ylamino)-[1,3,5]triazin-2-yl]-phenol
  • Figure US20220348554A1-20221103-C01096
  • 1H NMR (METHANOL-d4) δ 8.63-8.63 (m, 2H), 7.95 (s, 1H), 7.56-7.49 (m, 2H), 6.80-6.78 (d, J=8.8 Hz, 1H), 4.31 (s, 1H), 1.36-1.34 (d, J=6 Hz, 6H). LC-MS: m/z 409.1 (M+H)+.
    • Compound 660—6-(3-fluoro-5-(trifluoromethyl)phenyl)-N2-isopropyl-N4-(3-(methylsulfonyl)phenyl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01097
  • 1H NMR (Methanol-d4) δ 8.98 (s, 1H), 8.55 (s, 1H), 8.37 (d, 1H), 7.99-7.75 (m, 1H), 7.61-7.53 (m, 3H), 4.37-4.34 (m, 1H), 3.15 (d, 3H), 1.30 (d, 6H). LC-MS: m/z 470.0 (M+H)+.
    • Compound 662—6-(3-fluoro-5-methoxyphenyl)-N2-isopropyl-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01098
  • 1H NMR (DMSO-d6) δ 10.30 (d, 1H), 8.67-8.04 (m, 3H), 8.04-7.58 (m, 3H), 7.08-7.03 (m, 1H), 4.35-4.10 (m, 1H), 3.83 (s, 3H), 1.21 (d, 3H). LC-MS: m/z 423.2 (M+H)+.
    • Compound 663—1-(3-(4-(isopropylamino)-6-((2-(trifluoromethyl)pyridin-4-yl)amino)-1,3,5-triazin-2-yl)phenyl)ethanol
  • Figure US20220348554A1-20221103-C01099
  • 1H NMR (METHANOL-d4) δ 8.74-8.29 (m, 4H), 8.28-7.80 (m, 1H), 7.57-7.43 (m, 2H), 4.48-4.26 (m, 1H), 1.49 (d, 3H), 1.31 (d, 6H). LC-MS: m/z 419.2 (M+H)+.
    • 6-(3-(1-((tert-butyldimethylsilyl)oxy)cyclopropyl)phenyl)-N2-isopropyl-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01100
  • LCMS: m/z 545.3 (M+H)+.
  • Figure US20220348554A1-20221103-C01101
  • To a solution of 6-(3-(1-((tert-butyldimethylsilyl)oxy)cyclopropyl) phenyl)-N2-isopropyl-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine (510 mg, 0.936 mmol) in anhydrous THF (15 mL) was TBAF (490 mg, 1.872 mmol) at room temperature. The mixture was stirred at r.t. for 2 hours. The mixture was partitioned between EtOAc and water. The organic layer was washed with brine, dried over Na2SO4, then concentrated. The crude product was purified by a standard method to give 1-(3-(4-(isopropylamino)-6-((2-(trifluoromethyl)pyridin-4-yl)amino)-1,3,5-triazin-2-yl)phenyl)cyclopropanol.
    • Compound 664—1-(3-(4-(isopropylamino)-6-((2-(trifluoromethyl)pyridin-4-yl)amino)-1,3,5-triazin-2-yl)phenyl)cyclopropanol
  • Figure US20220348554A1-20221103-C01102
  • 1H NMR (METHANOL-d4) δ 8.67-8.46 (m, 2H), 8.31-8.21 (m, 2H), 7.84-7.83 (m, 1H), 7.52-7.39 (m, 2H), 4.45-4.23 (m, 1H), 1.32-1.30 (d, J=8.0 Hz, 6H), 1.23-1.22 (m, 2H), 1.09-1.06 (m, 2H).
  • LC-MS: m/z 431.2 (M+H)+.
    • Compound 665—3-(hydroxymethyl)-5-(4-(isopropylamino)-6-((2-(trifluoromethyl)pyridin-4-yl)amino)-1,3,5-triazin-2-yl)phenol
  • Figure US20220348554A1-20221103-C01103
  • 1H NMR (CDCl3) δ 10.40-10.24 (m, 1H), 9.56 (s, 1H), 8.68-8.26 (m, 2H), 7.93-7.59 (m, 3H), 6.94 (s, 1H), 5.23-5.20 (m, 1H), 4.50-4.49 (d, J=5.6, 2H), 4.20-4.12 (m, 1H) 1.26-1.23 (m, 6H). LC-MS: m/z 421.2 (M+H)+.
  • The following compounds were prepared according to Scheme 5 using appropriate intermediates and reagents:
    • Compound 667—4-(4-Phenyl-6-phenylamino-[1,3,5]triazin-2-ylamino)-piperidine-1-carboxylic acid tert-butyl ester
  • Figure US20220348554A1-20221103-C01104
  • 1H NMR (CDCl3) δ: 8.23-8.82 (m, 2H), 8.53-7.66 (m., 2H), 7.33-7.48 (m, 3H), 7.25-7.31 (m, 2H), 6.98-7.09 (m., 2H), 5.05-5.29 (m, 1H), 3.95-4.20 (m, 3H), 2.85-2.97 (m, 2H), 2.03 (d, J=12 Hz, 2H), 1.37-1.42 (m, 11H). LC-MS: m/z 447.0 (M+H)+.
    • Example 10: Preparation of Compounds of Formula 1 Via N-Arylation of Triazine-Amine Cross-Coupling
  • Figure US20220348554A1-20221103-C01105
  • Example 10, Step 1: Preparation of N2-isopropyl-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazine-2,4-diamine. To the solution of 4-chloro-N-isopropyl-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazin-2-amine (300 mg, 0.94 mmol) in THF (5 mL) was added NH3/H2O (8 mL). The mixture was stirred at 80° C. overnight. TLC (PE:EA=1:1) showed the reaction was complete. The mixture was washed with H2O and ethyl acetate. The organic layer was dried over Na2SO4, filtered, concentrated to give N2-isopropyl-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazine-2,4-diamine as a yellow solid which was used without further purification. LC-MS: m/z 299.8 (M+H)+.
    The following intermediates were prepared using the procedure in Example 10, Step 1:
    • 6-[6-(1,1-Difluoro-ethyl)-pyridin-2-yl]-N-isopropyl-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01106
  • LC-MS: m/z 295.2 (M+H)+.
    • 6-(6-Difluoromethyl-pyridin-2-yl)-N-isopropyl-[1,3,5]triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01107
  • LC-MS: m/z 281.1 (M+H)+.
    • 1-(4-amino-6-(6-(trifluoromethyl) pyridin-2-yl)-1,3,5-triazin-2-ylamino)-2-methylpropan-2-ol
  • Figure US20220348554A1-20221103-C01108
  • LC-MS: m/z 329.0 (M+H)+.
  • Step 2: Preparation of 1-(4-(4-(isopropylamino)-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazin-2-ylamino)pyridin-2-yl)cyclopropanecarbonitrile. To a solution of N2-isopropyl-6-(6-(trifluoromethyl)pyridin-2-yl)-1,3,5-triazine-2,4-diamine (120 mg, 0.4 mmol) in anhydrous toluene (5 mL) was added 1-(4-chloro-pyridin-2-yl)cyclopropanecarbonitrile (89 mg, 0.48 mmol), Cs2CO3 (262 mg, 0.8 mmol), BINAP (24.9 mg, 0.04 mmol), and Pd2(dba)3 (36.6 mg, 0.04 mmol) under N2. The mixture was stirred at 110° C. for 30 min under M.W. irradiation. The mixture was quenched by water and extracted with ethyl acetate. The organic layer was dried with anhydrous Na2SO4, concentrated and purified by a standard method to give 1-(4-(4-(isopropylamino)-6-(6-(trifluoromethyl)-pyridin-2-yl)-1,3,5-triazin-2-ylamino)pyridin-2-yl)cyclopropanecarbonitrile. The following compounds were prepared from the appropriate intermediates using the procedure in Example 10, Step 2:
    • Compound 669—1-{4-[4-Isopropylamino-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazin-2-ylamino]-pyridin-2-yl}-cyclopropanecarbonitrile
  • Figure US20220348554A1-20221103-C01109
  • 1H NMR (METHANOL-d4) δ 8.79-8.78 (m, 2H), 8.27 (d, J=5.6 Hz, 1H), 8.20 (t, J=8.2 Hz, 1H), 7.36 (dd, J=3.6 Hz, 2.0 Hz, 1H), 4.47 (m, 1H), 1.82-1.73 (m, 4H), 1.31 (d, J=4.0 Hz, 6H). LC-MS: m/z 441.2 (M+H)+.
    • Compound 670—1-[4-(5-Chloro-6-fluoro-pyridin-3-ylamino)-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazin-2-ylamino]-2-methyl-propan-2-ol
  • Using the standard procedure described in except replacing BINAP with X-Phos and Cs2CO3 with t-BuONa to give 670.
  • Figure US20220348554A1-20221103-C01110
  • 1H NMR (METHANOL-d4) δ 8.82-8.63 (m, 2H), 8.39-8.38 (m, 1H), 8.22 (t, J=7.9 Hz, 1H), 7.98 (d, J=7.6 Hz, 1H), 3.63 (s, 1H), 3.55 (s, 1H), 1.30 (d, J=4.0 Hz, 6H). LC-MS: m/z 458.2 (M+H)+.
    • Compound 671—2-{4-[4-Isopropylamino-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazin-2-ylamino]-pyridin-2-yl}-2-methyl-propionitrile
  • Figure US20220348554A1-20221103-C01111
  • 1H NMR (METHANOL-d4) δ 8.77-8.73 (m, 1H), 8.50 (s, 1H), 8.40 (d, J=4.4 Hz, 1H), 8.23 (t, J=6.6 Hz, 1H), 8.00 (d, J=8.0 Hz, 1H), 7.57 (dd, J=3.6 Hz, 2.0 Hz, 1H), 4.49-4.41 (m, 1H), 1.74 (s, 6H), 1.34 (d, J=6.4 Hz, 6H). LC-MS: m/z 443.2 (M+H)+.
    • Compound 672—{4-[4-Isopropylamino-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazin-2-ylamino]-pyridin-2-yl}-acetonitrile
  • Figure US20220348554A1-20221103-C01112
  • 1H NMR (METHANOL-d4) δ 10.41 (s, 1H), 8.62 (dd, J=9.6 Hz, 8.0 Hz, 1H), 8.37 (d, J=2.4 Hz, 1H), 8.29 (dd, J=8.4 Hz, 1.9 Hz, 2H), 8.28 (s, 1H), 8.11 (d, J=7.6 Hz, 1H), 7.97-7.67 (m, 1H), 4.35-4.28 (m, 1H), 4.17 (s, 1H), 4.13 (s, 1H), 1.25 (d, J=6.8 Hz, 6H). LC-MS: m/z 415.3 (M+H)+.
    • Compound 673—6-(6-Difluoromethyl-pyridin-2-yl)-N-(2-difluoromethyl-pyridin-4-yl)-N′-isopropyl-[1,3,5]triazine-2,4-diamine
  • Using the standard procedure described in Example 10 Step 2 except replacing Cs2CO3 by t-BuONa yielded 673.
  • Figure US20220348554A1-20221103-C01113
  • 1H NMR (METHANOL-d4) δ 8.64-7.77 (m, 6H), 6.98-6.58 (m, 2H), 4.33-4.30 (m, 1H), 1.34 (d, J=6.4 Hz, 6H). LC-MS: m/z 408.2 (M+H)+.
    • Compound 674—1-{4-[4-Isopropylamino-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazin-2-ylamino]-pyridin-2-yl}-cyclopropanol
  • Figure US20220348554A1-20221103-C01114
  • 1H NMR (METHANOL-d4) δ 8.61-8.64 (q, J=7.6 Hz, 1H), 8.38 (s, 1H), 8.09-8.16 (m, 2H), 7.86-7.88 (d, J=7.6 Hz, 1H), 7.44-7.62 (m, 1H), 4.26-4.30 (m, 1H), 1.76-1.23 (m, 8H), 1.10-1.12 (q, J=4 Hz, 2H). LC-MS: m/z 432.2 (M+H)+.
    • Compound 675—6-[6-(1,1-Difluoro-ethyl)-pyridin-2-yl]-N-(2-difluoromethyl-pyridin-4-yl)-N′-isopropyl-[1,3,5]triazine-2,4-diamine
  • Using the standard procedure described in Example 10 Step 2 except replacing Cs2CO3 by t-BuONa yielded 675.
  • Figure US20220348554A1-20221103-C01115
  • 1H NMR (METHANOL-d4) δ 8.58-8.46 (m, 2H), 8.18-8.11 (m, 2H), 7.90-7.88 (m, 2H), 6.86-6.58 (m, 1H), 4.34-4.32 (m, 1H), 2.17-2.05 (m, 3H), 1.35 (d, J=7.2 Hz, 6H). LC-MS: m/z 422.2 (M+H)+.
    • Compound 676—N-(2-Fluoromethyl-pyridin-4-yl)-N′-isopropyl-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazine-2,4-diamine
  • Using the standard procedure described in Example 10 Step 2 except replacing Cs2CO3 by t-BuONa yielded 676.
  • Figure US20220348554A1-20221103-C01116
  • 1H NMR (METHANOL-d4) δ 8.72-8.70 (m, 1H), 8.40-7.98 (m, 5H), 5.55 (s, 1H), 5.43 (s, 1H), 4.52-4.33 (m, 1H), 1.34 (d, J=8.4 Hz, 6H). LC-MS: m/z 408.1 (M+H)+.
    • Compound 677—2-(4-{4-[4-[6-(1,1-Difluoro-ethyl)-pyridin-2-yl]-6-isopropylamino-[1,3,5]triazin-2-ylamino}-pyridin-2-yl)-2-methyl-propionitrile
  • Figure US20220348554A1-20221103-C01117
  • 1H NMR (METHANOL-d4) δ 8.61 (d, J=6.8 Hz, 1H), 8.45 (s, 1H), 8.40 (d, J=5.2 Hz, 1H), 8.11 (t, J=7.6 Hz, 1H), 7.88 (d, J=8.0 Hz, 1H), 7.62 (s, 1H), 2.12 (t, J=19.2 Hz, 3H), 1.13 (d, J=6.4 Hz, 6H). LC-MS: m/z 439.2 (M+H)+.
    • Compound 678—2-{4-[4-(2-Hydroxy-2-methyl-propylamino)-6-(6-trifluoromethyl-pyridin-2-yl)-[1,3,5]triazin-2-ylamino]-pyridin-2-yl}-2-methyl-propionitrile
  • Figure US20220348554A1-20221103-C01118
  • 1H NMR (METHANOL-d4) δ 8.80-8.78 (m, 1H), 8.45 (s, 1H), 8.40 (t, J=5.6 Hz, 1H), 8.22 (t, J=7.8 Hz, 1H), 8.79 (d, J=8.0 Hz, 1H), 7.60 (dd, J=3.6 Hz, 2.0 Hz, 1H), 3.63 (d, J=11.6 Hz, 2H), 1.80 (s, 6H), 1.31 (d, J=6.0 Hz, 6H). LC-MS: m/z 473.2 (M+H)+.
    • Example 11: Preparation of Compounds of Formula I where Ring A is 6-Aminopyridyl
  • Figure US20220348554A1-20221103-C01119
  • Example 11, Step 1: The preparations of the following intermediates are analogous to the procedure as Scheme 3, Step 4, using the appropriate starting materials and intermediates:
    • Compound 679—Methyl (6-(4-(isopropylamino)-6-((2-(trifluoromethyl)pyridin-4-yl)amino)-1,3,5-triazin-2-yl)pyridin-2-yl)carbamate
  • Figure US20220348554A1-20221103-C01120
  • LCMS: m/z 449.3 (M+H)+.
    • Compound 680—Methyl 6-(4-(2-hydroxy-2-methyl-propylamino)-6-(2-(trifluoromethyl)pyridin-4-ylamino)-1,3,5-triazin-2-yl)pyridin-2-yl-carbamate
  • Figure US20220348554A1-20221103-C01121
  • LCMS: m/z 479.3 (M+H)+.
    • Compound 681—Methyl 6-(4-(neopentylamino)-6-(2-(trifluoromethyl)pyridin-4-ylamino)-1,3,5-triazin-2-yl)pyridin-2-ylcarbamate
  • Figure US20220348554A1-20221103-C01122
  • LCMS: m/z 477.3 (M+H)+.
    • Compound 682—Methyl 6-(4-(3,5-difluorophenylamino)-6-(1-methylcyclopropylamino)-1,3,5-triazin-2-yl)pyridin-2-ylcarbamate
  • Figure US20220348554A1-20221103-C01123
  • LCMS: m/z 428.2 (M+H)+
    • Methyl 6-(4-(1-methylcyclopropylamino)-6-(2-(trifluoromethyl)pyridin-4-ylamino)-1,3,5-triazin-2-yl)pyridin-2-ylcarbamate
  • Figure US20220348554A1-20221103-C01124
  • LCMS: m/z 461.3 (M+H)+
    • Compound 683—Methyl 6-(4-(2-(trifluoromethyl)pyridin-4-ylamino)-6-(1,1,1-trifluoro-propan-2-ylamino)-1,3,5-triazin-2-yl)pyridin-2-ylcarbamate
  • Figure US20220348554A1-20221103-C01125
  • LCMS: m/z 503.2 (M+H)+.
    • Compound 684—Methyl 6-(4-(3,5-difluorophenylamino)-6-(2-hydroxy-2-methylpropyl-amino)-1,3,5-triazin-2-yl)pyridin-2-ylcarbamate
  • Figure US20220348554A1-20221103-C01126
  • LCMS: m/z 446.1 (M+H)+.
    • Preparation of methyl 6-(4-(tert-butylamino)-6-(2-(trifluoromethyl)pyridin-4-ylamino)-1,3,5-triazin-2-yl)pyridin-2-ylcarbamate
  • Using the standard procedure described above to give Compound 685—methyl 6-(4-(tert-butylamino)-6-(2-(trifluoromethyl)pyridin-4-ylamino)-1,3,5-triazin-2-yl) pyridin-2-ylcarbamate
  • Figure US20220348554A1-20221103-C01127
  • LCMS: m/z 463.3 (M+H)+
    • Compound 686—Methyl 6-(4-(2-(1,1-difluoroethyl)pyridin-4-ylamino)-6-(isopropyl-amino)-1,3,5-triazin-2-yl)pyridin-2-ylcarbamate
  • Figure US20220348554A1-20221103-C01128
  • LCMS: m/z 445.1 (M+H)+.
    • Example 11, Step 2: Preparation of 6-(6-aminopyridin-2-yl)-N2-isopropyl-N4-(2-(trifluoromethyl)pyridin-4-yl)-1, 3,5-triazine-2,4-diamine
  • To a solution of 6-(6-Chloro-pyridin-2-yl)-N-oxetan-3-yl-N′-(2-trifluoromethyl-pyridin-4-yl)-[1,3,5]triazine-2,4-diamine (170 mg, 0.38 mmol) in methanol (6 mL) was added 5 pellets of KOH. The mixture was heated to 80° C. for 12 hours. TLC (ethyl acetate) showed that the reaction was complete. The mixture was adjusted pH to 7 and filtered, the filtrate was concentrated and purified by a standard method to give 6-(6-aminopyridin-2-yl)-N2-isopropyl-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine.
  • The following compounds were prepared according to the procedure set forth in Example 11, Step 2, using appropriate starting materials and reagents:
    • Compound 687—6-(6-aminopyridin-2-yl)-N2-isopropyl-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01129
  • 1H NMR (METHANOL-d4): δ 8.5-8.65 (m, 1.5H), 7.8-8.3 (m, 3.5H), 7.2 (m, 1H), 4.2-4.6 (m, 1H), 1.25-1.4 (m, 6H). LC-MS: m/z 391.3 (M+H)+.
    • Compound 689—6-(6-aminopyridin-2-yl)-N2-neopentyl-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01130
  • 1H NMR (METHANOL-d4): δ 8.75 (m, 1H), 8.1-8.6 (m, 2H), 7.6-7.8 (m, 2H), 6.85 (m, 1H), 3.4-3.5 (m, 2H), 1.0 (s, 9H). LC-MS: m/z 419.3 (M+H)+.
    • Compound 690—6-(6-aminopyridin-2-yl)-N2-isobutyl-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01131
    • Compound 691—1-(4-(6-aminopyridin-2-yl)-6-(3,5-difluorophenylamino)-1,3,5-triazin-2-ylamino)-2-methylpropan-2-ol
  • Figure US20220348554A1-20221103-C01132
  • 1H NMR (METHANOL-d4): δ 8.6-7.6 (m, 3H), 7.55-6.5 (m, 3H), 3.5-3.7 (m, 2H), 1.1-1.4 (m, 6H). LC-MS: m/z 338.2 (M+H)+.
    • Compound 692—6-(6-aminopyridin-2-yl)-N2-(1-methylcyclopropyl)-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01133
  • 1H NMR (METHANOL-d4): δ 8.88 (m, 1H), 8.5 (m, 1H), 7.85 (m, 1H), 7.7 (m, 1H), 7.6 (m, 1H), 6.75 (m, 1H), 1.52 (s, 3H), 0.75-0.95 (m, 4H). LC-MS: m/z 403.2 (M+H)+.
    • Compound 693—6-(6-aminopyridin-2-yl)-N2-(3,5-difluorophenyl)-N4-(1-methylcyclopropyl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01134
  • 1H NMR (METHANOL-d4): δ 7.5-7.58 (m, 4H), 6.5-6.8 (m, 2H), 1.5 (s, 3H), 0.75-0.95 (m, 4H). LC-MS: m/z 370.2 (M+H)+.
    • Compound 694—6-(6-aminopyridin-2-yl)-N2-(2-(trifluoromethyl)pyridin-4-yl)-N4-(1,1,1-trifluoropropan-2-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01135
  • 1H NMR (METHANOL-d4): δ 78.63-7.75 (m, 4H), 7.6 (m, 1H), 6.68 (m, 1H), 5.5-5.0 (m, 1H), 1.48 (m, 3H). LC-MS: m/z 445.2 (M+H)+.
    • Compound 695—6-(6-aminopyridin-2-yl)-N2-tert-butyl-N4-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01136
  • 1H NMR (METHANOL-d4): δ 8.55-8.65 (m, 2H), 7.9-8.25 (m, 2H), 7.8-7.9 (m, 1H), 7.2 (m, 1H), 1.55 (m, 9H). LC-MS: m/z 405.2 (M+H)+.
    • Compound 696—6-(6-aminopyridin-2-yl)-N2-(2-(1,1-difluoroethyl)pyridin-4-yl)-N4-isopropyl-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01137
  • 1H NMR (METHANOL-d4): δ 8.55-8.2 (m, 2H), 8.0-7.55 (m, 3H), 6.75 (m, 1H), 4.55-4.2 (m, 1H), 2.0 (t, 3H), 1.3 (d, J=6.4 Hz, 3H). LC-MS: m/z 387.3 (M+H)+.
    • Compound 697—N-(6-(4-(isopropylamino)-6-(2-(trifluoromethyl)pyridin-4-ylamino)-1,3,5-triazin-2-yl)pyridin-2-yl)acetamide
  • Figure US20220348554A1-20221103-C01138
  • 1H NMR (METHANOL-d4): δ 8.7-8.5 (m, 2H), 8.3-7.8 (m, 4H), 4.5-4.2 (m, 1H), 2.23 (s, 3H), 1.25-1.35 (m, 6H). LC-MS: m/z 433.2 (M+H)+.
    • Compound 698—6-(6-aminopyridin-2-yl)-N2-(tert-butyl)-N4-(3,5-difluorophenyl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01139
  • 1H NMR (METHANOL-d4): δ 7.68-7.48 (m, 4H), 6.73-6.55 (m, 2H), 1.58 (s, 9H). LC-MS: m/z 372.2 (M+H)+.
    • Compound 699—6-(6-aminopyridin-2-yl)-N2-(cyclopropylmethyl)-N4-(3,5-difluorophenyl)-1,3,5-triazine-2,4-diamine
  • Figure US20220348554A1-20221103-C01140
  • 1H NMR (METHANOL-d4): δ 7.71-7.50 (m, 4H), 6.74-6.72 (m, 1H), 6.56-6.54 (m, 1H), 3.43-3.36 (m, 2H), 1.18-1.72 (m, 1H), 0.56-0.54 (m, 2H), 0.32-0.31 (m, 2H). LC-MS: m/z 370.1 (M+H)+.
    • Example 12. Enzymatic and Cell Assays
  • Enzymatic Assay. Compounds are assayed for IDH2 R172K inhibitory activity through a cofactor depletion assay. Compounds are preincubated with enzyme, then the reaction is started by the addition of NADPH and α-KG, and allowed to proceed for 60 minutes under conditions previously demonstrated to be linear with respect for time for consumption of both cofactor and substrate. The reaction is terminated by the addition of a second enzyme, diaphorase, and a corresponding substrate, resazurin. Diaphorase reduces resazurin to the highly fluorescent resorufin with the concomitant oxidation of NADPH to NADP, both halting the IDH2 reaction by depleting the available cofactor pool and facilitating quantitation of the amount of cofactor remaining after a specific time period through quantitative production of an easily detected fluorophore.
  • Specifically, into each of 12 wells of a 384-well plate, 1 μl of 100× compound dilution series is placed, followed by the addition of 40 μl of buffer (50 mM potassium phosphate (K2HPO4), pH 7.5; 150 mM NaCl; 10 mM MgCl2, 10% glycerol, 0.05% bovine serum albumin, 2 mM beta-mercaptoethanol) containing 1.25 μg/ml IDH2 R172K. The test compound is then incubated for one hour at room temperature with the enzyme; before starting the IDH2 reaction with the addition of 10 μl of substrate mix containing 50 μM NADPH and 6.3 mM α-KG in the buffer described above. After a further one hour of incubation at room temperature, the reaction is halted and the remaining NADPH measured through conversion of resazurin to resorufin by the addition of 25 μl Stop Mix (36 μg/ml diaphorase enzyme and 60 μM resazurin; in buffer). After one minute of incubation the plate is read on a plate reader at Ex544/Em590.
  • For determination of the inhibitory potency of compounds against IDH2 R140Q in an assay format similar to the above, a similar procedure is performed, except that the final testing concentration is 0.25 μg/ml IDH2 R140Q protein, 4 μM NADPH and 1.6 mM α-KG.
  • For determination of the inhibitory potency of compounds against IDH2 R140Q in a high throughput screening format, a similar procedure is performed, except that 0.25 μg/ml IDH2 R140Q protein was utilized in the preincubation step, and the reaction is started with the addition of 4 μM NADPH and 8 μM α-KG.
  • U87MG pLVX-IDH2 R140Q-neo Cell Based Assay. U87MG pLVX-IDH2 R140Q-neo cells are grown in T125 flasks in DMEM containing 10% FBS, lx penicillin/streptomycin and 500 μg/mL G418. They are harvested by trypsin and seeded into 96 well white bottom plates at a density of 5000 cell/well in 100 μl/well in DMEM with 10% FBS. No cells are plated in columns 1 and 12. Cells are incubated overnight at 37° C. in 5% CO2. The next day compounds are made up at 2× concentration and 100 ul are added to each cell well. The final concentration of DMSO is 0.2% and the DMSO control wells are plated in row G. The plates are then placed in the incubator for 48 hours. At 48 hours, 100 ul of media is removed from each well and analyzed by LC-MS for 2-HG concentrations. The cell plate is placed back in the incubator for another 24 hours. At 72 hours post compound addition, 10 mL/plate of Promega Cell Titer Glo reagent is thawed and mixed. The cell plate is removed from the incubator and allowed to equilibrate to room temperature. Then 100 ul of reagent is added to each well of media. The cell plate is then placed on an orbital shaker for 10 minutes and then allowed to sit at room temperature for 20 minutes. The plate is then read for luminescence with an integration time of 500 ms to determine compound effects on growth inhibition.
  • The data for various compounds of one aspect of the invention in the R140Q enzymatic assay, R140Q cell-based assay and R172K enzymatic assay as described above or similar thereto are presented below in Table 2. For each assay, values indicated as “A” represent an IC50 of less than 100 nM; values indicated as “B” represent an IC50 of between 100 nM and 1 μM; values indicated as “C” represent an IC50 of greater than 1 μM to 10 μM; values indicated as “D” represent an IC50 of greater than 10 μM; values indicated as “no fit” are inactives and blank values represent that the compound was either inactive or not tested in that particular assay.
  • TABLE 2
    Enzymatic and Cellular Activity of Compounds.
    Cmpd Enz Cell Enz
    No R140Q R140Q R172K
    100 A A A
    103 B C C
    108 B
    109 B C C
    110 A A B
    111 A A A
    112 A B B
    113 A A B
    114 B C C
    115 A B B
    116 B C
    117 B C
    118 A B B
    119 B C D
    120 A A B
    121 A A A
    122 B C C
    123 A B B
    126 A A B
    128 B C C
    129 A B C
    130 A A B
    132 A A B
    133 B D
    135 B C D
    137 B C
    139 A B C
    140 A B C
    141 A B B
    143 A B B
    145 B C D
    146 A A B
    147 B B C
    148 B B C
    149 A A A
    150 B B C
    151 B B B
    154 A B C
    155 B No Fit D
    156 B B C
    158 A B B
    159 B B C
    160 A B B
    162 B C C
    165 B C
    167 A A B
    168 A A B
    169 A B B
    170 B C B
    172 A B B
    173 A A A
    174 A A B
    175 A A B
    176 A B B
    177 A A B
    178 A A A
    179 A A A
    181 A A B
    182 B
    183 A A B
    184 A B C
    185 A B B
    186 A A B
    187 A A B
    188 A A B
    189 A B C
    190 A A B
    191 A A B
    193 A A B
    194 A A A
    195 A A B
    196 A A B
    197 A A B
    198 A A B
    199 A A A
    200 A A B
    201 A B C
    202 A A A
    203 A B C
    204 A B C
    205 A A B
    206 A B B
    207 B
    208 A B B
    209 A B B
    210 A A B
    211 A B B
    212 A A B
    213 A A B
    214 A B B
    215 A B C
    216 A B B
    217 A C
    218 A B C
    219 A A B
    220 A A B
    221 B B C
    222 B
    223 A A A
    224 A B B
    225 A B C
    226 A B B
    227 A A B
    228 A B B
    229 A A A
    230 B B B
    231 B
    232 A B B
    233 A A B
    234 No Fit
    235 B B C
    236 B B C
    237 B B C
    238 B B C
    239 A A B
    240 A B C
    241 A B C
    242 B B C
    243 B C
    244 B C B
    245 A B B
    246 B A B
    247 A A A
    248 A B C
    249 A B B
    250 A B B
    251 B
    252 B C
    253 A A B
    254 A B B
    255 A A B
    256 C
    257 A B B
    258 C
    259 B B D
    260 A A A
    261 A A B
    262 B B C
    263 A B C
    264 C
    265 B C
    266 A B C
    267 A B C
    268 A B B
    269 A A B
    270 A B B
    271 No Fit
    272 B B
    273 D
    274 D
    275 B B
    276 B
    277 A B
    278 No Fit
    279 D
    280 D
    281 A B
    282 No Fit
    283 No Fit
    284 B B
    285 C
    286 D
    287 B
    288 A A
    289 A B
    290 B A
    291 No Fit No Fit
    292 No Fit No Fit
    293 A A
    294 No Fit No Fit
    295 A A
    296 B A
    297 A A
    298 A A
    299 A B
    300 B B
    301 B A
    302 A B
    303 C No Fit
    304 C No Fit
    305 D No Fit
    306 B A
    308 A B
    309 A A
    310 B A
    311 B B
    312 B C
    313 A A
    314 C No Fit
    315 A A
    316 B B
    317 A A
    318 A A
    319 B A
    320 A A
    321 A A
    322 B A
    323 B A
    324 B C
    325 A A
    326 B A
    327 B B
    328 A A
    329 A A
    330 B A
    331 B A
    332 D No Fit
    334 B A A
    335 B A A
    336 B A B
    337 B B C
    340 A A A
    341 A A B
    342 B C C
    343 B B
    344 B A A
    345 B B B
    346 A B
    347 B
    348 D
    350 B B C
    351 A B
    352 A A
    353 B A
    354 B A
    355 B A
    356 B A
    358 B A B
    359 B B
    360 B B
    361 B B
    362 B B
    363 B A
    364 C B
    365 C
    366 B A
    367 B A
    368 C A
    369 A A
    370 A A
    371 A A
    372 A A A
    374 A A A
    376 B A
    377 B A
    378 B A
    379 B A
    380 B B
    381 B A
    382 B A
    383 B A
    384 B A
    385 C B
    386 B A A
    387 A A
    388 C B
    389 C A
    390 C B
    391 B A
    392 B A
    393 B A
    394 A A
    395 B A
    396 B A
    397 B B
    398 A A
    399 B A
    400 B A
    401 B A
    402 B A
    403 B A
    404 B A
    405 C B
    406 B A
    407 B B
    408 B A
    409 B A B
    410 D B
    411 C A
    412 C
    413 D
    414 B B
    415 D
    416 A A B
    450 B A
    451 B A
    452 B C D
    454 B B C
    455 B A A
    456 B A B
    458 B A B
    459 A A A
    460 A A A
    461 A A A
    462 B B B
    463 B A A
    464 B A A
    465 B A A
    466 B A B
    467 B B B
    468 B A A
    469 A A A
    470 B A B
    471 B A B
    472 A A B
    473 A A A
    474 B A A
    475 A A A
    476 A A B
    477 B A A
    478 B A A
    479 B A B
    480 B A B
    481 B A A
    482 B A A
    483 B B C
    484 B A B
    485 B A B
    486 B B
    491 B A A
    492 B A A
    493 A A
    495 B A A
    496 B A A
    497 B A B
    498 B B C
    499 B A A
    500 B A A
    501 B B C
    502 B B C
    503 C A A
    504 B A A
    505 B A B
    508 B A B
    509 B A B
    510 B A A
    511 B A B
    512 B A B
    513 C A B
    514 B A A
    516 B A A
    517 B A A
    518 B A A
    519 B A B
    521 B A A
    522 B A B
    523 B A A
    524 B A A
    526 B A A
    527 B A A
    528 B A B
    529 B A A
    530 B A B
    531 B A A
    532 B A A
    533 B A A
    534 B A A
    535 B A B
    536 C A B
    537 B A A
    538 C A B
    540 B A B
    541 B A B
    542 B A A
    543 B A B
    544 B A B
    545 B A B
    546 B A B
    547 B A A
    548 B A B
    549 B A A
    550 B A A
    551 B A A
    552 B A B
    554 B A B
    555 B A C
    556 B A A
    559 B A A
    560 B A A
    561 B A A
    562 B A A
    563 B A A
    564 B A A
    565 B A A
    567 B A A
    568 B A B
    569 B B B
    570 B A A
    571 B A B
    572 B A B
    574 B A A
    576 B A B
    577 C A B
    581 B A A
    582 B A A
    583 B A A
    584 B A A
    585 B A A
    587 B A A
    588 B A B
    592 B A B
    593 B A A
    594 B A B
    595 B A A
    596 B A A
    597 B A A
    598 B A A
    599 B A A
    600 B A A
    601 B A A
    602 B A A
    603 B A A
    604 B A A
    605 B A B
    606 B A A
    607 B A B
    608 B A A
    609 B A A
    610 B A A
    611 B A B
    612 B A A
    613 B A A
    614 B A A
    615 B A B
    616 B A A
    617 B A A
    618 B A A
    619 B A A
    621 B B C
    622 B B B
    623 B B C
    624 B A B
    625 A A B
    626 B B C
    627 A A A
    628 A A B
    629 A A A
    630 A A A
    631 A A A
    632 B A B
    633 B A A
    634 B A A
    635 B B B
    636 A A B
    637 B A B
    638 B A B
    639 B A A
    640 A A A
    641 B A A
    642 B A A
    644 B C
    645 B A B
    646 B A A
    647 B A B
    648 B A B
    649 A B B
    650 B B C
    651 B A B
    652 B B B
    653 B A B
    654 B A D
    655 B B B
    657 B A B
    658 B A A
    660 B C
    662 B C
    663 A A
    665 A A
    667 B B B
    669 B A A
    670 B A B
    671 B A A
    672 B A B
    673 B A A
    674 B A B
    675 B A A
    676 B A A
    677 B A A
    678 C A B
    679 B B D
    687 B A A
    689 B A A
    690 B A A
    691 B A B
    692 B A A
    693 B A A
    694 B A A
    695 B A A
    696 B A B
    697 B B C
    698 B A A
    699 B A A
  • In some embodiments, one aspect of the invention provides a compound selected from any one of Compounds Nos 100, 110, 111, 112, 113, 115, 118, 120, 121, 123, 126, 129, 130, 132, 139, 140, 141, 143, 146, 149, 154, 158, 160, 167, 168, 169, 172, 173, 174, 175, 176, 177, 178, 179, 181, 183, 184, 185, 186, 187, 188, 189, 190, 191, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 223, 224, 225, 226, 227, 228, 229, 232, 233, 239, 240, 241, 245, 246, 247, 248, 249, 250, 253, 254, 255, 257, 260, 261, 263, 266, 267, 268, 269, 270, 277, 281, 288, 289, 290, 293, 295, 296, 297, 298, 299, 301, 302, 306, 308, 309, 310, 313, 315, 317, 318, 319, 320, 321, 322, 323, 325, 326, 328, 329, 330, 331, 334, 335, 336, 340, 341, 344, 346, 351, 352, 353, 354, 355, 356, 358, 363, 366, 367, 369, 370, 371, 372, 374, 376, 377, 378, 379, 381, 382, 383, 384, 386, 387, 391, 392, 393, 394, 395, 396, 398, 399, 400, 401, 402, 403, 404, 406, 408, 409, 416, 450, 455, 456, 458, 459, 460, 461, 463, 464, 465, 466, 468, 469, 470, 471, 472, 473, 474, 475, 476, 477, 478, 479, 480, 481, 482, 484, 485, 491, 492, 493, 495, 496, 497, 499, 500, 504, 505, 508, 509, 510, 511, 512, 514, 516, 517, 518, 519, 521, 522, 523, 524, 526, 527, 528, 529, 530, 531, 532, 533, 534, 535, 537, 540, 541, 542, 543, 544, 545, 546, 547, 548, 549, 550, 551, 552, 554, 555, 556, 559, 560, 561, 562, 563, 564, 565, 567, 568, 570, 571, 572, 574, 576, 581, 582, 583, 584, 585, 587, 588, 592, 593, 594, 595, 596, 597, 598, 599, 600, 601, 602, 603, 604, 605, 606, 607, 608, 609, 610, 611, 612, 613, 614, 615, 616, 617, 618, 619, 624, 625, 627, 628, 629, 630, 631, 632, 633, 634, 636, 637, 638, 639, 640, 641, 642, 645, 646, 647, 648, 649, 651, 653, 654, 657, 658, 663, 665, 669, 670, 671, 672, 673, 674, 675, 676, 677, 687, 689, 690, 691, 692, 693, 694, 695, 696, 698 and 699. In a more specific aspect of this embodiment, the invention provides a compound selected from any one of Compound Nos. 100, 110, 111, 113, 120, 121, 126, 130, 132, 146, 149, 167, 168, 173, 174, 175, 177, 178, 179, 181, 183, 186, 187, 188, 190, 191, 193, 194, 195, 196, 197, 198, 199, 200, 202, 205, 210, 212, 213, 219, 220, 223, 227, 229, 233, 239, 246, 247, 253, 255, 260, 261, 269, 288, 290, 293, 295, 297, 298, 301, 306, 309, 310, 313, 315, 317, 318, 319, 320, 321, 323, 325, 326, 328, 329, 330, 331, 336, 340, 341, 352, 353, 354, 355, 356, 358, 363, 366, 367, 369, 370, 371, 372, 374, 376, 377, 378, 379, 381, 382, 383, 384, 387, 391, 392, 393, 394, 395, 396, 398, 399, 400, 401, 402, 403, 404, 406, 408, 409, 416, 450, 451, 456, 458, 459, 460, 461, 466, 469, 470, 471, 472, 473, 475, 476, 479, 480, 484, 485, 493, 497, 505, 508, 509, 511, 512, 519, 522, 528, 530, 535, 540, 541, 543, 544, 545, 546, 548, 552, 554, 555, 568, 571, 572, 576, 588, 592, 594, 605, 607, 611, 615, 624, 625, 627, 628, 629, 630, 631, 632, 636, 637, 638, 640, 645, 647, 648, 651, 653, 654, 657, 663, 665, 670, 672, 674, 691 and 696.
  • In some embodiments, one aspect of the invention provides a compound selected from any one of Compounds Nos 100, 110, 111, 112, 113, 115, 118, 120, 121, 123, 126, 129, 130, 132, 139, 140, 141, 143, 146, 149, 154, 158, 160, 167, 168, 169, 172, 173, 174, 175, 176, 177, 178, 179, 181, 183, 184, 185, 186, 187, 188, 189, 190, 191, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 223, 224, 225, 226, 227, 228, 229, 232, 233, 239, 240, 241, 245, 246, 247, 248, 249, 250, 253, 254, 255, 257, 260, 261, 263, 266, 267, 268, 269, 270, 277, 281, 288, 289, 290, 293, 295, 296, 297, 298, 299, 301, 302, 306, 308, 309, 310, 313, 315, 317, 318, 319, 320, 321, 322, 323, 325, 326, 328, 329, 330, 331, 334, 335, 336, 340, 341, 344, 346, 351, 352, 353, 354, 355, 356, 358, 363, 366, 367, 369, 370, 371, 372, 374, 376, 377, 378, 379, 381, 382, 383, 384, 386, 387, 391, 392, 393, 394, 395, 396, 398, 399, 400, 401, 402, 403, 404, 406, 408, 409, and 416. In a more specific aspect of this embodiment, the invention provides a compound selected from any one of Compound Nos. 100, 110, 111, 113, 120, 121, 126, 130, 132, 146, 149, 167, 168, 173, 174, 175, 177, 178, 179, 181, 183, 186, 187, 188, 190, 191, 193, 194, 195, 196, 197, 198, 199, 200, 202, 205, 210, 212, 213, 219, 220, 223, 227, 229, 233, 239, 247, 253, 255, 260, 261, 269, 288, 293, 295, 297, 298, 309, 313, 315, 317, 318, 320, 321, 325, 328, 329, 340, 341, 352, 369, 370, 371, 372, 374, 387, 394, 398, and 416.
  • Having thus described several aspects of several embodiments, it is to be appreciated various alterations, modifications, and improvements will readily occur to those skilled in the art. Such alterations, modifications, and improvements are intended to be part of this disclosure, and are intended to be within the spirit and scope of the invention. Accordingly, the foregoing description and drawings are by way of example only.

Claims (9)

1-19. (canceled)
20. A compound which is
Figure US20220348554A1-20221103-C01141
or a pharmaceutically acceptable salt or hydrate thereof.
21. A pharmaceutical composition comprising a compound of claim 20,
and a pharmaceutically acceptable carrier.
22. A method of treating a cancer characterized by the presence of an IDH2 mutation, wherein the IDH2 mutation results in a new ability of the enzyme to catalyze the NADPH dependent reduction of a ketoglutarate to R(−) 2 hydroxyglutarate in a patient, comprising the step of administering to the patient in need thereof a compound of claim 20.
23. The method of claim 22, wherein the IDH2 mutation is an IDH2 R140Q or R172K mutation.
24. The method of claim 22, wherein the IDH2 mutation is an IDH2 R140Q mutation.
25. The method of claim 22, wherein the cancer is selected from the group consisting of glioblastoma, myelodysplastic syndrome, myeloproliferative neoplasm, acute myelogenous leukemia, sarcoma, melanoma, non small cell lung cancer, chondrosarcoma, cholangiocarcinomas and angioimmunoblastic non-Hodgkin's lymphoma.
26. The method of claim 22, wherein the cancer is acute myelogenous leukemia.
27. The method of claim 22, further comprising administering to the patient in need thereof a second therapeutic agent useful in the treatment of cancer.
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