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  • C07C311/00—Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups
  • C07C311/50—Compounds containing any of the groups, X being a hetero atom, Y being any atom
  • C07C311/52—Y being a hetero atom
  • C07C311/54—Y being a hetero atom either X or Y, but not both, being nitrogen atoms, e.g. N-sulfonylurea
  • C07C311/57—Y being a hetero atom either X or Y, but not both, being nitrogen atoms, e.g. N-sulfonylurea having sulfur atoms of the sulfonylurea groups bound to carbon atoms of six-membered aromatic rings
  • C07C311/58—Y being a hetero atom either X or Y, but not both, being nitrogen atoms, e.g. N-sulfonylurea having sulfur atoms of the sulfonylurea groups bound to carbon atoms of six-membered aromatic rings having nitrogen atoms of the sulfonylurea groups bound to hydrogen atoms or to acyclic carbon atoms
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  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K31/00—Medicinal preparations containing organic active ingredients
  • A61K31/33—Heterocyclic compounds
  • A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
  • A61K31/357—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having two or more oxygen atoms in the same ring, e.g. crown ethers, guanadrel
  • A61K31/36—Compounds containing methylenedioxyphenyl groups, e.g. sesamin
• • A—HUMAN NECESSITIES
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  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
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  • C07D205/00—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom
  • C07D205/02—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings
  • C07D205/04—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
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  • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
  • C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
  • C07D209/04—Indoles; Hydrogenated indoles
  • C07D209/08—Indoles; Hydrogenated indoles with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to carbon atoms of the hetero ring
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  • C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
  • C07D209/04—Indoles; Hydrogenated indoles
  • C07D209/10—Indoles; Hydrogenated indoles with substituted hydrocarbon radicals attached to carbon atoms of the hetero ring
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  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
  • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
  • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
  • C07D213/24—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
  • C07D213/54—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
  • C07D213/56—Amides
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  • C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
  • C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
  • C07D215/04—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to the ring carbon atoms
  • C07D215/08—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to the ring carbon atoms with acylated ring nitrogen atom
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  • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
  • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
  • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
  • C07D231/12—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
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  • C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
  • C07D249/02—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
  • C07D249/08—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
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  • C07D261/00—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings
  • C07D261/02—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings
  • C07D261/06—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings having two or more double bonds between ring members or between ring members and non-ring members
  • C07D261/08—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings having two or more double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
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  • C07D265/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one oxygen atom as the only ring hetero atoms
  • C07D265/28—1,4-Oxazines; Hydrogenated 1,4-oxazines
  • C07D265/34—1,4-Oxazines; Hydrogenated 1,4-oxazines condensed with carbocyclic rings
  • C07D265/36—1,4-Oxazines; Hydrogenated 1,4-oxazines condensed with carbocyclic rings condensed with one six-membered ring
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  • C07D271/00—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms
  • C07D271/02—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms not condensed with other rings
  • C07D271/06—1,2,4-Oxadiazoles; Hydrogenated 1,2,4-oxadiazoles
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  • C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
  • C07D277/60—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings condensed with carbocyclic rings or ring systems
  • C07D277/62—Benzothiazoles
  • C07D277/68—Benzothiazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
  • C07D277/82—Nitrogen atoms
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  • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
  • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
  • C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
  • C07D307/38—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
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  • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
  • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
  • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
  • C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
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  • C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
  • C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
  • C07D317/44—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems
  • C07D317/46—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
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  • C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
  • C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
  • C07D317/44—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems
  • C07D317/46—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
  • C07D317/48—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring
  • C07D317/62—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to atoms of the carbocyclic ring
  • C07D317/66—Nitrogen atoms not forming part of a nitro radical
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  • C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
  • C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
  • C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
  • C07D333/06—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
  • C07D333/14—Radicals substituted by singly bound hetero atoms other than halogen
  • C07D333/18—Radicals substituted by singly bound hetero atoms other than halogen by sulfur atoms
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  • C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
  • C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
  • C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
  • C07D333/26—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
  • C07D333/28—Halogen atoms
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  • C07D333/50—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
  • C07D333/52—Benzo[b]thiophenes; Hydrogenated benzo[b]thiophenes
  • C07D333/54—Benzo[b]thiophenes; Hydrogenated benzo[b]thiophenes with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
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  • 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
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  • 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
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  • C07D407/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing two hetero rings
  • C07D407/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
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  • C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
  • C07D409/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings
  • C07D409/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
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  • C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
  • C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
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  • C07C2601/14—The ring being saturated
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  • C07C2602/00—Systems containing two condensed rings
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  • C07C2602/04—One of the condensed rings being a six-membered aromatic ring
  • C07C2602/08—One of the condensed rings being a six-membered aromatic ring the other ring being five-membered, e.g. indane

Definitions

• the invention relates to compounds, compositions, and methods for the treatment of human immunodeficiency virus (HIV) infection. More particularly, the invention provides novel inhibitors of HIV, pharmaceutical compositions containing such compounds, and methods for using these compounds in the treatment of HIV infection.
• HIV human immunodeficiency virus
• HIV human immunodeficiency virus infection/acquired immunodeficiency syndrome
• agents are classified as either nucleotide reverse transcriptase inhibitors (NRTIs), non-nucleotide reverse transcriptase inhibitors (NNRTIs), protease inhibitors (Pis), integrase inhibitors (INIs), or entry inhibitors (one, maraviroc, targets the host CCR5 protein, while the other, enfuvirtide, is a peptide that targets the gp41 region of the viral gpl60 protein).
• NRTIs nucleotide reverse transcriptase inhibitors
• NRTIs non-nucleotide reverse transcriptase inhibitors
• Pro protease inhibitors
• IPIs integrase inhibitors
• entry inhibitors one, maraviroc, targets the host CCR5 protein, while the other, enfuvirtide, is a peptide that targets the gp41 region of the viral gpl60 protein.
• cobicistat a pharmacokinetic enhancer with no antiviral
• the invention provides technical advantages, for example, the compounds are novel and are useful in the treatment of HIV. Additionally, the compounds provide advantages for pharmaceutical uses, for example, with regard to one or more of their mechanism of action, binding, inhibition efficacy, target selectivity, solubility, safety profiles, or bioavailability.
• the invention encompasses compounds of Formula I, including
• One aspect of the invention is a compound of Formula I, including pharmaceutically acceptable salts thereof:
• R 1 is alkyl, aryl, arylalkyl, cycloalkyl or heteroaryl; wherein said aryl, arylalkyl or heteroaryl moieties are linked to the parent molecule through their respective carbon atoms, and further wherein said R 1 groups are substituted with 0-4 groups independently selected from the group of alkenyl, alkoxy, alkoxycarbonyl, alkoxycarbonylamino, alkyl, alkylsulphonyl, alkylthioxy, aminocarbonyl, alkynyl, carboxylic acid, cyano, halo, haloalkyl, haloalkoxy, hydroxy, hydroxyalkyl, thioxy, -S0 2 alkyl, heteroaryl, and nitro;
• R 2 is -H, C1-C4 alkyl or C3-C4 cycloalkyl
• R 1 and R 2 together with the atoms to which they are attached form a heterocyclic ring optionally substituted with 0-2 alkyl groups;
• R 3 is -H, C1-C4 alkyl or C3-C4 cycloalkyl;
• R 4 is -H, alkyl, aryl, C5-C1 0 bicycloalkyl, cycloalkyl or heteroaryl which is substituted with 0-3 groups independently selected from the group of alkenoxy, alkenyl, alkoxy, alkoxycarbonyl, alkyl, benzyloxy, carboamide, cyano, halo, haloalkyl, haloalkoxy, -NHCO(alkyl), -S0 2 N-heterocycle, -OH, nitro, and -CH 2 OH;
• R 5 and R 6 are independently selected from H or alkyl, or R 5 and R 4 together with the atom to which they are attached form an aryl group; or R 5 and R 6 together with the atoms to which they are attached form a C3-C4 cycloalkyl;
• R 7 is -H, alkyl, aryl, heteroaryl, heteroarylalkyl, C3-C7 cycloalkyl or
• dialkylaminoalkyl wherein said aryl or heteroaryl is substituted with 0-3 groups independently selected from the group of -OH, -NHCOalkyl, -NHCON(alkyl) 2 , -NHC0 2 -alkyl, -CONH 2 , -CN, -S0 2 N(alkyl) 2 , alkoxy, alkyl, halo, haloalkoxy, and haloalkyl; and
• R 8 is -H, alkyl, arylalkyl, cycloalkyl, haloalkyl or heteroarylalkyl;
• R 7 and R 8 together with the nitrogen atom to which they are attached form a heterocycle which is substituted with 0-3 groups independently selected from the group of alkyl, alkoxy, halo, -OH, -CN, and -S0 2 N(alkyl) 2 .
• variable substituent For a compound of Formula I, the scope of any instance of a variable substituent can be used independently with the scope of any other instance of a variable substituent. As such, the invention includes combinations of the different aspects.
• the invention also relates to pharmaceutical compositions comprising a compound of Formula I, including pharmaceutically acceptable salts thereof, and a pharmaceutically acceptable carrier, excipient, and/or diluent.
• the invention provides one or more methods of treating HIV infection comprising administering a therapeutically effective amount of a compound of Formula I to a patient.
• Alkenyl means a straight or branched alkyl group comprised of 2 to 10 carbons with at least one double bond and optionally substituted with 0-3 halo or alkoxy group.
• Alkenyloxy means an alkenyl group attached to the parent structure by an oxygen atom.
• Alkoxy means an alkyl group attached to the parent structure by an oxygen atom.
• Alkoxycarbonyl means an alkoxy group attached to the parent structure by a carbonyl moiety.
• Alkoxycarbonylamino means alkoxycabonyl group attached to the parent structure by nitrogen where the nitrogen is optionally substituted with an alkyl group.
• Alkyl means a straight or branched saturated hydrocarbon comprised of 1 to 10 carbons, and preferably 1 to 6 carbons.
• Alkylsulphonyl means an alkyl group attached to the parent structure through -S0 2 - moiety.
• Alkylthioxy means an alkyl group attached to the parent structure through a sulfur atom.
• Alkynyl means an optionally substituted straight or branched alkyl group comprised of 2 to 10 carbons and containing at least one triple bond.
• Aminocabonyl means an amine group attached to the parent structure through a carbonyl moiety where the amine is optionally substituted with one or two alkyl groups.
• Aryl mean a carbocyclic group comprised of 1-3 rings that are fused and/or bonded and at least one or a combination of which is aromatic. The non-aromatic carbocyclic portion, where present, will be comprised of C3 to C7 alkyl group.
• an aromatic group examples include phenyl, biphenyl, dihydroindene, naphthalene, and tetrahydronaphthalene.
• the aryl group can be attached to the parent structure through any substitutable carbon atom in the group.
• Benzyloxy means a benzyl group attached to the parent structure through an oxygen atom.
• the phenyl group of the benzyl moiety could be optionally substituted by 1-3 moieties independently selected from the group of alkyl, alkoxy, halo, haloalkyl, haloalkoxy and cyano.
• C5-C1 0 bicycloalkyl means a bicyclic ring system comprised of 5 to 10 carbons. Examples include bicyclo[2.2.2]octane.
• C3-C4 cycloalkyl means a monocyclic ring system comprised of 3 to 4 carbons.
• Cycloalkyl means carbocycle with 1-2 rings optionally substituted with an alkyl or benzyl group.
• Cyano refers to -CN.
• Dialkylaminoalkyl means a dialkylamino group attached to the parent structure through a C2 to C3 alkyl moiety.
• Halo or halogen refers to -F, -CI, -Br, or -I.
• Haloalkyl means an alkyl group substituted by any combination of one to six halogen atoms.
• Haloalkoxy means a haloalkyl group attached to the parent structure through an oxygen atom.
• Heteroaryl is a subset of heterocyclic group as defined below and is comprised of 1-3 rings where at least one or a combination of which is aromatic and that the aromatic group contains at least one atom chosen from a group of oxygen, nitrogen or sulfur.
• Heteroarylalkyl is a heteroaryl moiety attached to the parent structure through C1-C5 alkyl group and where the aryl moiety is further substituted with halo, alkyl, alkoxy, haloalkyl, haloalkoxy or cyano.
• Heterocyclic means a cyclic group of 1-3 rings comprised of carbon and at least one other atom selected independently from the group of oxygen, nitrogen and sulfur.
• the rings could be fused and/or bonded, through a direct or spiro attachment, with the option to have one or a combination thereof be aromatic.
• Examples include, but are not limited to, azaindole, azaindoline, azetidine, benzimidazole, bezodioxolyl, benzoxazole, benzothiophene, benzothiazole, chroman, dihydro-benzo[l,4]oxazine, dihalobezodioxolyl, dihydrobenzofuran, furanylphenyl, imidazo[l,2-a]pyridine, indazole, indole, indoline, isoquinoline, isoquinolinone, isothiazolidine 1, 1 -dioxide, morpholine, 2-oxa-5-azabicyclo[2.2.1]heptanes, oxadiazole-phenyl, pyrrazole- phenyl, pyridine-phenyl, pyridinylpyrrolidine, pyrimidine-phenyl, quinazoline, quinoxaline, quino
• the invention includes all pharmaceutically acceptable salt forms of the compounds.
• Pharmaceutically acceptable salts are those in which the counter ions do not contribute significantly to the physiological activity or toxicity of the compounds and as such function as pharmacological equivalents. These salts can be made according to common organic techniques employing commercially available reagents.
• anionic salt forms include acetate, acistrate, besylate, bromide, chloride, citrate, fumarate, glucouronate, hydrobromide, hydrochloride, hydroiodide, iodide, lactate, maleate, mesylate, nitrate, pamoate, phosphate, succinate, sulfate, tartrate, tosylate, and xinofoate.
• Some cationic salt forms include ammonium, aluminum, benzathine, bismuth, calcium, choline, diethylamine, diethanolamine, lithium, magnesium, meglumine, 4-phenylcyclohexylamine, piperazine, potassium, sodium, tromethamine, and zinc.
• the invention includes all stereoisomeric forms of the compounds including enantiomers and diastereromers. Methods of making and separating stereoisomers are known in the art.
• the invention includes all tautomeric forms of the compounds.
• the invention includes atropisomers and rotational isomers.
• the invention is intended to include all isotopes of atoms occurring in the present compounds. Isotopes include those atoms having the same atomic number but different mass numbers.
• isotopes of hydrogen include deuterium and tritium.
• Isotopes of carbon include 13 C and 14 C.
• Isotopically-labeled compounds of the invention can generally be prepared by conventional techniques known to those skilled in the art or by processes analogous to those described herein, using an appropriate isotopically-labeled reagent in place of the non-labeled reagent otherwise employed. Such compounds may have a variety of potential uses, for example as standards and reagents in determining biological activity. In the case of stable isotopes, such compounds may have the potential to favorably modify biological, pharmacological, or pharmacokinetic properties. As set forth above, the invention is directed to a compound of Formula I, including pharmaceutically acceptable salts thereof:
• R 1 is alkyl, aryl, arylalkyl, cycloalkyl or heteroaryl; wherein said aryl, arylalkyl or heteroaryl moieties are linked to the parent molecule through their respective carbon atoms, and further wherein said R 1 groups are substituted with 0-4 groups independently selected from the group of alkenyl, alkoxy, alkoxycarbonyl, alkoxycarbonylamino, alkyl, alkylsulphonyl, alkylthioxy, aminocarbonyl, alkynyl, carboxylic acid, cyano, halo, haloalkyl, haloalkoxy, hydroxy, hydroxyalkyl, thioxy, -S0 2 alkyl, heteroaryl, and nitro;
• R 2 is -H, C1-C4 alkyl or C3-C4 cycloalkyl
• R 1 and R 2 together with the atoms to which they are attached form a heterocyclic ring optionally substituted with 0-2 alkyl groups;
• R 3 is -H, C1-C4 alkyl or C3-C4 cycloalkyl
• R 4 is -H, alkyl, aryl, C5-C1 0 bicycloalkyl, cycloalkyl or heteroaryl which is substituted with 0-3 groups independently selected from the group of alkenoxy, alkenyl, alkoxy, alkoxycarbonyl, alkyl, benzyloxy, carboamide, cyano, halo, haloalkyl, haloalkoxy, -NHCO(alkyl), -S0 2 N-heterocycle, -OH, nitro, and -CH 2 OH;
• R 5 and R 6 are independently selected from H or alkyl, or R 5 and R 4 together with the atom to which they are attached form an aryl group; or R 5 and R 6 together with the atoms to which they are attached form a C3-C4 cycloalkyl; R 7 is -H, alkyl, aryl, heteroaryl, heteroarylalkyl, C3-C7 cycloalkyl or
• dialkylaminoalkyl wherein said aryl or heteroaryl is substituted with 0-3 groups independently selected from the group of -OH, -NHCOalkyl, -NHCON(alkyl) 2 , -NHC0 2 -alkyl, -CONH 2 , -CN, -S0 2 N(alkyl) 2 , alkoxy, alkyl, halo, haloalkoxy, and haloalkyl; and
• R 8 is -H, alkyl, arylalkyl, cycloalkyl, haloalkyl or heteroarylalkyl;
• R 7 and R 8 together with the nitrogen atom to which they are attached form a heterocycle which is substituted with 0-3 groups independently selected from the group of alkyl, alkoxy, halo, -OH, -CN, and -S0 2 N(alkyl) 2 .
• R 1 is aryl. More preferably, R 1 is aryl which is selected from the group of phenyl, biphenyl, and naphthalenyl. In a further embodiment, R 1 is heteroaryl. More preferably, R 1 is selected from the group of thiophene, pyrrazolophenyl, furanylphenyl, pyridinylphenyl, pyrimidinylphenyl, thiophenylphenyl, benzothiophene, oxadiazolephenyl, indole, and andazaindole. In a further preferred embodiment, R 1 and R 2 form a heteroaryl ring. More preferably, the heteroaryl ring is isothiazolidine 1,1 -dioxide.
• R 4 is aryl. More preferably, R 4 is phenyl,
• naphthalenyl or biaryl.
• R 4 is heteroaryl. More preferably, R 4 is triazole or thiophene.
• R 7 is aryl. More preferably, R 7 is phenyl or naphthalenyl.
• R 7 is heteroaryl. More preferably R 7 is selected from the group of bezodioxolyl, dihalobezodioxolyl, benzothiazole, quinoline, benzothiazole, benzimidazole, quinazoline, quinoxaline,
• R 7 and R 8 form a heterocycle.
• the heterocycle is selected from the group of tetrahydroisoquinoline, dihydro-benzo[l,4]oxazine, dihydroindole, tetrahydrothieno[3,2-c]pyridine, 2-oxa-5- azabicyclo[2.2.1]heptanes, azetidine, and pyridinylpyrrolidine.
• Preferred compounds of the invention including pharmaceutically acceptable salts thereof, are selected from the group of:
• compositions are comprised of a therapeutically effective amount of a compound of Formula I or its pharmaceutically acceptable salt, and a pharmaceutically acceptable carrier and may contain one or more carriers, excipients and/or diluents.
• a therapeutically effective amount is that which is needed to provide a meaningful patient benefit.
• Pharmaceutically acceptable carriers are those conventionally known carriers having acceptable safety profiles.
• Compositions encompass all common solid and liquid forms including capsules, tablets, lozenges, and powders as well as liquid suspensions, syrups, elixirs, and solutions.
• compositions are made using available formulation techniques, and available excipients (such as binding and wetting agents) and vehicles (such as water and alcohols) are generally used for compositions. See, for example, Remington 's Pharmaceutical Sciences, 17th edition, Mack Publishing Company, Easton, PA (1985).
• Solid compositions are normally formulated in dosage units and compositions providing from about 1 to 1000 mg of the active ingredient per dose are preferred. Some examples of dosages are 1 mg, 10 mg, 100 mg, 250 mg, 500 mg, and 1000 mg. Generally, other antiretroviral agents will be present in a unit range similar to agents of that class used clinically. Typically, this is 0.25-1000 mg/unit.
• Liquid compositions are usually in dosage unit ranges. Generally, the liquid composition will be in a unit dosage range of 1-100 mg/mL. Some examples of dosages are 1 mg/mL, 10 mg/mL, 25 mg/mL, 50 mg/mL, and 100 mg/mL.
• antiretroviral agents will be present in a unit range similar to agents of that class used clinically. Typically, this is 1-100 mg/mL.
• the invention encompasses all conventional modes of administration; oral and parenteral methods are preferred.
• the dosing regimen will be similar to other antiretroviral agents used clinically. Typically, the daily dose will be 1-100 mg/kg body weight daily. Generally, more compound is required orally and less parenterally. The specific dosing regimen, however, will be determined by a physician using sound medical judgment.
• Another aspect of the invention is a method for treating HIV infection in a human patient comprising administering a therapeutically effective amount of a compound of Formula I, including a pharmaceutically acceptable salt thereof, with a pharmaceutically acceptable carrier, excipient and/or diluent.
• the invention also encompasses methods where the compound is given in combination therapy. That is, the compound can be used in conjunction with, but separately from, other agents useful in treating AIDS and HIV infection.
• the compound can also be used in combination therapy wherein the compound and one or more of the other agents are physically together in a fixed-dose combination (FDC).
• FDC fixed-dose combination
• Some of these agents include HIV attachment inhibitors, CCR5 inhibitors, CXCR4 inhibitors, HIV cell fusion inhibitors, HIV integrase inhibitors, HIV nucleoside reverse transcriptase inhibitors, HIV non-nucleoside reverse transcriptase inhibitors, HIV protease inhibitors, budding and maturation inhibitors,
• the compound of Formula I will generally be given in a daily dose of 1-100 mg/kg body weight daily in conjunction with other agents.
• the other agents generally will be given in the amounts used therapeutically.
• the specific dosing regimen will be determined by a physician using sound medical judgment.
• "Combination,” "coadministration,” “concurrent” and similar terms referring to the administration of a compound of Formula I with at least one anti-HIV agent mean that the components are part of a combination antiretroviral therapy or highly active antiretroviral therapy (HAART) as understood by practitioners in the field of AIDS and HIV infection.
• HAART highly active antiretroviral therapy
• “Therapeutically effective” means the amount of agent required to provide a meaningful patient benefit as understood by practitioners in the field of AIDS and HIV infection. In general, the goals of treatment are suppression of viral load, restoration and preservation of immunologic function, improved quality of life, and reduction of HIV-related morbidity and mortality.
• Patient means a person infected with the HIV virus and suitable for therapy as understood by practitioners in the field of AIDS and HIV infection.
• contemplated herein are combinations of the compounds of Formula I, together with one or more agents useful in the treatment of AIDS.
• the compounds of the invention may be effectively
• RT reverse transcriptase
• Abacavir (1592U89) Glaxo Wellcome HIV infection, GW 1592 AIDS, ARC
• Beta-fluoro-ddA Nat'l Cancer Institute AIDS-associated diseases BMS-234475 Bristol-Myers Squibb/ HIV infection, (CGP-61755) Novartis AIDS, ARC
• Famciclovir Smith Kline herpes zoster Famciclovir Smith Kline herpes zoster
• ARC asymptomatic HIV positive, also in combination with AZT/ddl/ddC
• Virazole Viratek/ICN asymptomatic HIV Ribavirin (Costa Mesa, CA) positive, LAS, ARC VX-478 Vertex HIV infection, AIDS,
• TAK-652 Takeda HIV infection
• VIREAD® VIREAD®
• EMTRIVA® Emtricitabine
• SUSTIVA® Efavirenz
• Interleukin-2 CD4 cell counts (aldeslukin)
• Tumor Necrosis Genentech ARC in combination Factor; TNF w/gamma Interferon
• the compounds of the invention can be made by various methods available in the art including those of the following scheme and in the specific embodiments section which follows.
• the structure numbering and variable numbering shown in the synthetic schemes are distinct from, and should not be confused with, the structure or variable numbering in the claims or the rest of the specification.
• the variables in the schemes are meant only to illustrate how to make some of the compounds of the invention.
• Benzo[d][l,3]dioxol-5-amine (1.6 g, 12 mmol) was added to a solution of 25% wt. sodium methoxide (12.6 g, 58.3 mmol) in MeOH and paraformaldehyde (3.50 g, 117 mmol) in MeOH (50 mL).
• the reaction mixture was stirred at r.t. for 18 h and then sodium borohydride (1.32 g, 35.0 mmol) was added in portions and the reaction was heated at 40 °C for 3 h, cooled to r.t., and then concentrated.
• HATU (2.00 g, 5.26 mmol) was added to a stirred solution of 4-methoxy-N- methylaniline (0.601 g, 4.38 mmol), (S)-3-(3-bromophenyl)-2-((tert- butoxycarbonyl)amino)propanoic acid (1.508 g, 4.38 mmol) and DIPEA (2.3 mL, 13 mmol) in DMF (15 mL) and the reaction mixture was stirred at RT overnight. The reaction was diluted with water (50 mL), extracted by EtOAc (2 X 40 mL) and the combined organic component was concentrated to dryness to yield the title compound (1.9 g) which was used without further purification.
• HATU (0.800 g, 2.10 mmol) was added to a stirred solution of 4-methoxy-N- methylaniline (0.240 g, 1.75 mmol), (S)-2-((tert-butoxycarbonyl)amino)-3-(3- hydroxyphenyl)propanoic acid (0.493 g, 1.75 mmol) and DIPEA (0.92 mL, 5.3 mmol) in DMF (5 mL) and the reaction mixture was stirred at RT overnight.
• Solvent A 100% Water : 0.05% TFA.
• Solvent B 100% Acetonitrile : 0.05% TFA.
• Flow Rate 0.8 mL/min.
• Start % B 2.
• Final % B 98.
• Gradient Time 1.5 min.
• HATU (1.5 g, 4.0 mmol) was added to a stirred solution of 4-methoxy-N- methylaniline (500 mg, 3.64 mmol) and (S)-2-((tert-butoxycarbonyl)amino)-3- phenylpropanoic acid (1.06 g, 4.0 mmol) in DMF (20 mL) and DIPEA (1.3 mL, 7.3 mmol) and the reaction mixture was stirred at RT for 4h. The reaction was concentrated and the residual crude oil was partitioned between EtOAc ( ⁇ 60 mL) and 1/2 sat. aHC03 (aq) ( ⁇ 60 mL).
• Solvent A 95%> Water:5%> Acetonitrile: 10 mM NH 4 OAc.
• Solvent B 5% Water:95% Acetonitrile: 10 mM NH 4 OAc.
• HATU (776 mg, 2.04 mmol) was added to a stirred solution of 3,4,5-trimethoxy-N- methylaniline (350 mg, 1.78 mmol) and (S)-2-((tert-butoxycarbonyl)amino)-3- phenylpropanoic acid (518 mg, 1.95 mmol) in DMF (10 mL) and DIPEA (0.62 mL, 3.6 mmol) and stirred at RT ON. The reaction mixture was concentrated and the crude oil was partitioned between EtOAc (-40 mL) and 1/2 sat NaHCC (aq) (-40 mL). The organic component was washed with brine (-30 mL), dried (MgS0 4 ), filtered and concentrated.
• HATU (1.90 g, 5.01 mmol) was added to a solution of N-methylbenzo[d]thiazol-5- amine (Intermediate ZY-1) (685 mg, 4.17 mmol) and (S)-2-((tert- butoxycarbonyl)amino)-3-phenylpropanoic acid (1.33 g, 5.01 mmol) in DMF (20 mL) and DIPEA (2.18 mL, 12.5 mmol) and the reaction mixture was stirred at RT for 6 h. The crude reaction mixture was diluted with sat. aq. aHC03 (20 mL) and extracted with EtOAc (3 x 50 mL).
• HATU (592 mg, 1.556 mmol) was added to a stirred solution of N- methylbenzo[d]thiazol-5-amine (Intermediate ZY-1) (213 mg, 1.30 mmol) and (S)-2- ((tert-butoxycarbonyl)amino)-3-(3,5-difluorophenyl)propanoic acid (469 mg, 1.56 mmol) in DMF (7 mL) and DIPEA (0.45 mL, 2.6 mmol) and the reaction mixture was stirred at RT for 16 h. The crude reaction mixture was diluted with sat. aq. aHC03 (20 mL) and extracted with EtOAc (3 x 50 mL).
• Acetic acid (0.042 mL, 0.73 mmol) was added to a stirred solution of 4-methoxy-3- methylaniline (100 mg, 0.729 mmol) and acetaldehyde (0.054 mL, 0.948 mmol) in DCM (3 mL) and the reaction mixture was stirred at RT for 5 min.
• Sodium triacetoxyborohydride (232 mg, 1.09 mmol) was then added to the reaction mixture and the reaction was stirred at RT for 16 h. The reaction was quenched with IN aq.
• Solvent Pair acetonitrile Water : Ammonium Acetate Column Waters BEH C18, 2.0 x 50 mm, 1.7- ⁇ particles
• Solvent Pair acetonitrile Water : Ammonium Acetate Column Waters BEH C18, 2.0 x 50 mm, 1.7- ⁇
• Solvent Pair acetonitrile Water : Ammonium Acetate Column Waters BEH CI 8, 2.0 x 50 mm, 1.7- ⁇ particles
• Wavelength 220 Solvent Pair acetonitrile : Water : Ammonium Acetate
• Solvent Pair acetonitrile Water : Ammonium Acetate Column Waters BEH CI 8, 2.0 x 50 mm, 1.7- ⁇
• Solvent Pair acetonitrile Water : Ammonium Acetate Column Waters BEH CI 8, 2.0 x 50 mm, 1.7- ⁇
• Solvent Pair acetonitrile Water : Ammonium Acetate Column Waters BEH CI 8, 2.0 x 50 mm, 1.7- ⁇
• Solvent Pair acetonitrile Water : Ammonium Acetate Column Waters BEH CI 8, 2.0 x 50 mm, 1.7- ⁇
• Solvent Pair acetonitrile Water : Ammonium Acetate Column Waters BEH CI 8, 2.0 x 50 mm, 1.7- ⁇
• Solvent Pair acetonitrile Water : Ammonium Acetate Column Waters BEH C18, 2.0 x 50 mm, 1.7- ⁇
• Solvent Pair acetonitrile Water : Ammonium Acetate Column Waters BEH C18, 2.0 x 50 mm, 1.7- ⁇ particles
• Solvent Pair acetonitrile Water : Ammonium Acetate Column Waters BEH CI 8, 2.0 x 50 mm, 1.7- ⁇
• Solvent Pair acetonitrile Water : Ammonium Acetate Column Waters BEH CI 8, 2.0 x 50 mm, 1.7- ⁇
• Solvent Pair acetonitrile Water : Ammonium Acetate Column Waters BEH CI 8, 2.0 x 50 mm, 1.7- ⁇ particles
• Solvent Pair acetonitrile Water : Ammonium Acetate Column Waters BEH CI 8, 2.0 x 50 mm, 1.7- ⁇
• Solvent Pair acetonitrile Water : Ammonium Acetate Column Waters BEH CI 8, 2.0 x 50 mm, 1.7- ⁇
• Solvent Pair acetonitrile Water : Ammonium Acetate Column Waters BEH C18, 2.0 x 50 mm, 1.7- ⁇ particles
• Solvent Pair acetonitrile Water : Ammonium Acetate Column Waters BEH C18, 2.0 x 50 mm, 1.7- ⁇ particles

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