WO2018028557A1 - Composé tricyclique et son utilisation - Google Patents

Composé tricyclique et son utilisation Download PDF

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Publication number
WO2018028557A1
WO2018028557A1 PCT/CN2017/096368 CN2017096368W WO2018028557A1 WO 2018028557 A1 WO2018028557 A1 WO 2018028557A1 CN 2017096368 W CN2017096368 W CN 2017096368W WO 2018028557 A1 WO2018028557 A1 WO 2018028557A1
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group
pharmaceutically acceptable
alkyl
acceptable salt
tautomer
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PCT/CN2017/096368
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English (en)
Chinese (zh)
Inventor
吴凌云
张鹏
黎健
陈曙辉
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南京明德新药研发股份有限公司
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Priority to CN201780024783.9A priority Critical patent/CN109071469B/zh
Publication of WO2018028557A1 publication Critical patent/WO2018028557A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00—Drugs for immunological or allergic disorders
    • A61P37/02—Immunomodulators
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D263/00—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
    • C07D263/02—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings
    • C07D263/30—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D263/32—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
    • C07D277/02—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
    • C07D277/20—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D277/22—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole 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
    • C07D277/30—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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
    • C07D285/01—Five-membered rings
    • C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
    • C07D285/04—Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
    • C07D285/08—1,2,4-Thiadiazoles; Hydrogenated 1,2,4-thiadiazoles
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
    • C07D285/01—Five-membered rings
    • C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
    • C07D285/04—Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
    • C07D285/12—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • 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
    • C07D333/24—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
    • 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
    • C07D413/10—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 carbon chain containing aromatic rings
    • 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

Definitions

  • the present invention relates to a series of tricyclic compounds and their use as receptor agonists of the sphingosine 1-phosphate 1 subtype (S1P1), in particular, the compounds of the formula ( ⁇ ), their tautomers or A pharmaceutically acceptable salt.
  • S1P1 sphingosine 1-phosphate 1 subtype
  • Sphingosine-1-phosphate is a pleiotropic lipid mediator with a broad spectrum of physiological activities including cell proliferation, survival, lymphocyte trafficking, cytoskeletal organization and morphogenesis. Sphingosine is catalyzed by enzyme ceramide and released from ceramide. Sphingosine is phosphorylated by sphingosine kinase to produce sphingosine-1-phosphate (S1P) and interacts with the sphingosine 1 -phosphate receptor (S1PR) to produce physiological activity.
  • S1P sphingosine-1-phosphate
  • Sphingosine 1-phosphate receptor 1 also known as endothelial cell differentiation gene 1 (EDG1), is a G-protein coupled receptor belonging to the endothelial cell differentiation gene (EDG) receptor family. A protein encoded by the S1PR1 gene.
  • the sphingosine 1-phosphate receptor (S1PR) includes five subtypes (S1PR1-5) in which sphingosine 1-phosphate receptor 1 (S1PR1) is abundantly distributed on endothelial cell membranes. Like other G-protein coupled receptors, S1PR1 detects its ligand from the outside of the cell and activates intracellular signaling pathways to cause cellular responses.
  • Sphingosine-1-phosphate is very important in humans and it mainly regulates the vascular system and immune system.
  • Small molecule S1P1 agonists and inhibitors mimic the binding mechanism of sphingosine-1-phosphate (S1P) to receptors and have been shown to have important physiological roles in their signaling systems.
  • Activation of sphingosine-1-phosphate receptor 1 (S1PR1) disrupts lymphocyte trafficking, isolating lymphocytes from lymph nodes and other secondary lymphoid organs, resulting in rapidly reversible lymphopenia.
  • Clinical studies have shown that lymphocyte isolation reduces inflammation or autoimmune disease responses and is critical for immune regulation.
  • S1PR1 sphingosine 1 -phosphate receptor 1
  • WO2015066515A1 discloses Ozanimod, which has the following structure:
  • the present invention provides a compound of the formula (I), a tautomer thereof or a pharmaceutically acceptable salt thereof,
  • X is independently selected from CH or N;
  • Ring A is selected from a 5- to 9-membered heteroaryl group
  • Ring B is selected from phenyl or 5- to 9-membered heteroaryl
  • R 1 is selected from H or is selected from C 1 1-6 alkyl, C 1-6 heteroalkyl optionally substituted by 1, 2 or 3 R;
  • R 2 is selected from H or is selected from: C 1-6 alkyl optionally substituted by 1, 2 or 3 R;
  • R 1 and R 2 are bonded to form a 3 to 6 membered ring optionally substituted by 1, 2 or 3 R;
  • R 3 is selected from H, F, Cl, Br, I, CN, NH 2 or from a C 1-6 alkyl group optionally substituted by 1, 2 or 3 R;
  • R 4 is selected from H or is selected from C 1 1-6 alkyl, C 1-6 heteroalkyl optionally substituted by 1, 2 or 3 R;
  • R is selected from H, F, Cl, Br, I, OH, CN, NH 2 , COOH, or selected from C 1 1-6 alkyl, C 1-6 optionally substituted by 1, 2 or 3 R' Alkoxy, C 1-6 alkylamino, C 3-6 cycloalkyl;
  • R' is selected from the group consisting of F, Cl, Br, I, OH, NH 2 , Me, Et, CF 3 , CHF 2 , CH 2 F, NHCH 3 , N(CH 3 ) 2 ;
  • the number of heteroatoms or heteroatoms is independently selected from 1, 2 or 3.
  • R is selected from the group consisting of H, F, Cl, Br, I, OH, CN, NH 2 , COOH, or selected from the group consisting of 1, 2 or 3 R' substitutions: C 1- 3 alkyl, C 1-3 alkoxy, C 1-3 alkylamino, C 3-6 cycloalkyl, R' is as defined in the invention.
  • the above R is selected from the group consisting of: H, F, Cl, Br, I, OH, CN, NH 2 , COOH, Me, Et,
  • R 1 is selected from the group consisting of: 1, 2 or 3, R: R is as defined by the present invention.
  • R 1 is selected from the group consisting of
  • R 2 is selected from the group consisting of: H, Me, Et,
  • R 1 and R 2 are appended together to form a piperazinyl, azetidinyl group, optionally substituted by 1, 2 or 3 R, as defined in the invention.
  • R 1 and R 2 are linked, and the structural unit From:
  • the above R 3 is selected from the group consisting of H, F, Cl, Br, I, OH, CN, NH 2 .
  • R 4 is selected from H or is selected from methoxy, isopropyl, isopropyloxy optionally substituted by 1, 2 or 3 R, as defined in the present invention .
  • R 4 is selected from the group consisting of
  • the ring A is selected from the group consisting of: 1,2,4-oxadiazolyl, 1,3,4-oxadiazolyl, 1,2,4-thiadiazolyl, 1,3, 4-thiadiazolyl, thiazolyl, thienyl, oxazolyl.
  • the ring A is selected from the group consisting of:
  • the ring B is selected from the group consisting of a phenyl group or a 5-membered heteroaryl group.
  • the ring B is selected from the group consisting of phenyl, thiazolyl, oxazolyl, and thienyl.
  • the ring B is selected from the group consisting of:
  • the structural unit From:
  • the above R is selected from the group consisting of H, F, Cl, Br, I, OH, CN, NH 2 , COOH, or selected from the group consisting of 1, 2 or 3 R' substitutions: C 1- 3 alkyl, C 1-3 alkoxy, C 1-3 alkylamino, C 3-6 cycloalkyl, and other variables are as defined above.
  • the above R is selected from the group consisting of: H, F, Cl, Br, I, OH, CN, NH 2 , COOH, Me, Et, Other variables are defined as above.
  • R 1 is selected from the group consisting of: 1, 2 or 3, R: Other variables are defined as above.
  • R 1 is selected from the group consisting of Other variables are defined as above.
  • R 2 is selected from the group consisting of: H, Me, Et, Other variables are defined as above.
  • R 1 and R 2 described above are joined together to form a piperazinyl, azetidinyl group optionally substituted by 1, 2 or 3 R, and other variables are as defined above.
  • R 1 and R 2 are linked, and the structural unit From: Other variables are defined as above.
  • R 3 is selected from the group consisting of H, F, Cl, Br, I, OH, CN, NH 2 , and other variables are as defined above.
  • R 4 is selected from H or is selected from the group consisting of: 1, 2 or 3, R: methoxy, isopropyl, isopropyloxy, and other variables are as defined above.
  • R 4 is selected from the group consisting of Other variables are defined as above.
  • the ring A is selected from the group consisting of: 1,2,4-oxadiazolyl, 1,3,4-oxadiazolyl, 1,2,4-thiadiazolyl, 1,3, 4-thiadiazolyl, thiazolyl, thienyl, oxazolyl, and other variables are as defined above.
  • the ring A is selected from the group consisting of: Other variables are defined as above.
  • the ring B is selected from the group consisting of: phenyl or 5-membered heteroaryl, and other variables are as defined above.
  • the ring B is selected from the group consisting of phenyl, thiazolyl, oxazolyl, thienyl, and other variables are as defined above.
  • the ring B is selected from the group consisting of: Other variables are defined as above.
  • the above compound, a tautomer thereof, or a pharmaceutically acceptable salt thereof is selected from the group consisting of:
  • n are each independently selected from: 1 or 2;
  • D 1 is independently selected from: S or O;
  • T 1 , T 2 , T 3 are each independently selected from: N or CH;
  • R, R 1 , R 3 and R 4 are as defined above.
  • the invention also provides a compound, a tautomer thereof, or a pharmaceutically acceptable salt thereof, selected from the group consisting of:
  • the present invention also provides the use of the above compound, a tautomer thereof or a pharmaceutically acceptable salt thereof for the preparation of a medicament as a sphingosine 1-sulphate 1 subtype (S1P1) receptor agonist.
  • S1P1 sphingosine 1-sulphate 1 subtype
  • the use of the above compound, its tautomer or a pharmaceutically acceptable salt thereof for the manufacture of a medicament for the treatment of inflammatory bowel disease is not limited.
  • the present invention synthesizes a compound of formula (I) and its tautomers, and obtains a novel class of S1P1 receptor agonists for the treatment of inflammatory bowel disease.
  • the compound of the present invention has better activity, better pharmacokinetics, and good drug-forming properties.
  • pharmaceutically acceptable salt refers to a salt of a compound of the invention prepared from a compound having a particular substituent found in the present invention and a relatively non-toxic acid or base.
  • a base addition salt can be obtained by contacting a neutral amount of such a compound with a sufficient amount of a base in a neat solution or a suitable inert solvent.
  • Pharmaceutically acceptable base addition salts include sodium, potassium, calcium, ammonium, organic ammonia or magnesium salts or similar salts.
  • an acid addition salt can be obtained by contacting a neutral form of such a compound with a sufficient amount of an acid in a neat solution or a suitable inert solvent.
  • pharmaceutically acceptable acid addition salts include inorganic acid salts including, for example, hydrochloric acid, hydrobromic acid, nitric acid, carbonic acid, hydrogencarbonate, phosphoric acid, monohydrogen phosphate, dihydrogen phosphate, sulfuric acid, Hydrogen sulfate, hydroiodic acid, phosphorous acid, etc.; and an organic acid salt, such as acetic acid, propionic acid, isobutyric acid, maleic acid, malonic acid, benzoic acid, succinic acid, suberic acid, Similar acids such as fumaric acid, lactic acid, mandelic acid, phthalic acid, benzenesulfonic acid, p-toluenesulfonic acid, citric acid, tartaric acid, and me
  • the salt is contacted with a base or acid in a conventional manner, and the parent compound is separated, thereby regenerating the neutral form of the compound.
  • the parent form of the compound differs from the form of its various salts by certain physical properties, such as differences in solubility in polar solvents.
  • pharmaceutically acceptable salts are derivatives of the compounds of the invention wherein the salt is formed by salting with an acid or with a base.
  • the parent compound is modified.
  • pharmaceutically acceptable salts include, but are not limited to, inorganic or organic acid salts of bases such as amines, alkali metal or organic salts of acid groups such as carboxylic acids, and the like.
  • Pharmaceutically acceptable salts include the conventional non-toxic salts or quaternary ammonium salts of the parent compound, for example salts formed from non-toxic inorganic or organic acids.
  • non-toxic salts include, but are not limited to, those derived from inorganic acids and organic acids selected from the group consisting of 2-acetoxybenzoic acid, 2-hydroxyethanesulfonic acid, acetic acid, ascorbic acid, Benzenesulfonic acid, benzoic acid, hydrogencarbonate, carbonic acid, citric acid, edetic acid, ethane disulfonic acid, ethanesulfonic acid, fumaric acid, glucoheptose, gluconic acid, glutamic acid, glycolic acid, Hydrobromic acid, hydrochloric acid, hydroiodide, hydroxyl, hydroxynaphthalene, isethionethane, lactic acid, lactose, dodecylsulfonic acid, maleic acid, malic acid, mandelic acid, methanesulfonic acid, nitric acid, oxalic acid, Pamoic acid, pantothenic acid, phenylacetic acid, phen
  • the pharmaceutically acceptable salts of the present invention can be synthesized from the parent compound containing an acid group or a base by conventional chemical methods.
  • such salts are prepared by reacting these compounds in water or an organic solvent or a mixture of the two via a free acid or base form with a stoichiometric amount of a suitable base or acid.
  • a nonaqueous medium such as ether, ethyl acetate, ethanol, isopropanol or acetonitrile is preferred.
  • the compounds provided herein also exist in the form of prodrugs.
  • Prodrugs of the compounds described herein are readily chemically altered under physiological conditions to convert to the compounds of the invention.
  • prodrugs can be converted to the compounds of the invention by chemical or biochemical methods in an in vivo setting.
  • Certain compounds of the invention may exist in unsolvated or solvated forms, including hydrated forms.
  • the solvated forms are equivalent to the unsolvated forms and are included within the scope of the invention.
  • the compounds of the invention may exist in specific geometric or stereoisomeric forms.
  • the present invention contemplates all such compounds, including the cis and trans isomers, the (-)- and (+)-p-enantiomers, the (R)- and (S)-enantiomers, and the diastereomeric a conformation, a (D)-isomer, a (L)-isomer, and a racemic mixture thereof, and other mixtures, such as enantiomerically or diastereomeric enriched mixtures, all of which belong to It is within the scope of the invention.
  • Additional asymmetric carbon atoms may be present in the substituents such as alkyl groups. All such isomers, as well as mixtures thereof, are included within the scope of the invention.
  • enantiomer or “optical isomer” refer to stereoisomers that are mirror images of one another.
  • cis-trans isomer or “geometric isomer” is caused by the inability to freely rotate a single bond due to a double bond or a ring-forming carbon atom.
  • diastereomer refers to a stereoisomer in which the molecule has two or more chiral centers and the molecules are in a non-mirrored relationship.
  • wedge-shaped dashed keys Represents the absolute configuration of a solid center with straight solid keys
  • straight dashed keys Indicates the relative configuration of the stereocenter, using wavy lines Indicates a wedge solid key Or wedge-shaped dotted key Or with wavy lines Represents a straight solid key And straight dashed keys
  • tautomer or “tautomeric form” mean that the different functional isomers are in dynamic equilibrium at room temperature and can be rapidly converted into each other. If tautomers are possible (as in solution), the chemical equilibrium of the tautomers can be achieved.
  • proton tautomers also known as prototropic tautomers
  • prototropic tautomers include interconversions by proton transfer, such as keto-enol isomerization and imine-enes. Amine isomerization.
  • the valence tautomer includes the mutual transformation of some of the bonding electrons.
  • keto-enol tautomerization is the interconversion between two tautomers of pentane-2,4-dione and 4-hydroxypent-3-en-2-one.
  • the terms "enriched in one isomer”, “isomer enriched”, “enriched in one enantiomer” or “enantiomeric enriched” refer to one of the isomers or pairs
  • the content of the oligo is less than 100%, and the content of the isomer or enantiomer is 60% or more, or 70% or more, or 80% or more, or 90% or more, or 95% or more, or 96% or more, or 97% or more, 98% or more, 99% or more, 99.5% or more, 99.6% or more, 99.7% or more, 99.8% or more, or greater than or equal to 99.9%.
  • the term “isomer excess” or “enantiomeric excess” refers to the difference between the two isomers or the relative percentages of the two enantiomers. For example, if one of the isomers or enantiomers is present in an amount of 90% and the other isomer or enantiomer is present in an amount of 10%, the isomer or enantiomeric excess (ee value) is 80%. .
  • optically active (R)- and (S)-isomers as well as the D and L isomers can be prepared by chiral synthesis or chiral reagents or other conventional techniques. If an enantiomer of a compound of the invention is desired, it can be prepared by asymmetric synthesis or by derivatization with a chiral auxiliary wherein the resulting mixture of diastereomers is separated and the auxiliary group cleaved to provide pure The desired enantiomer.
  • a diastereomeric salt is formed with a suitable optically active acid or base, followed by conventional methods well known in the art.
  • the diastereomers are resolved and the pure enantiomer is recovered.
  • the separation of enantiomers and diastereomers is generally accomplished by the use of chromatography using a chiral stationary phase, optionally in combination with chemical derivatization (eg, formation of an amino group from an amine). Formate).
  • the compounds of the present invention may contain unnatural proportions of atomic isotopes on one or more of the atoms that make up the compound.
  • radiolabeled compounds can be used, such as tritium (3 H), iodine -125 (125 I) or C-14 (14 C).
  • hydrogen can be replaced by heavy hydrogen to form a deuterated drug.
  • the bond composed of barium and carbon is stronger than the bond composed of common hydrogen and carbon.
  • deuterated drugs have reduced side effects and increased drug stability. Improve the efficacy and prolong the biological half-life of the drug. Alterations of all isotopic compositions of the compounds of the invention, whether radioactive or not, are included within the scope of the invention.
  • pharmaceutically acceptable carrier refers to any formulation or carrier medium that is capable of delivering an effective amount of an active substance of the present invention, does not interfere with the biological activity of the active substance, and has no toxic side effects to the host or patient, including water, oil, Vegetables and minerals, cream bases, lotion bases, ointment bases, etc. These bases include suspending agents, tackifiers, transdermal enhancers and the like. Their formulations are well known to those skilled in the cosmetic or topical pharmaceutical arts.
  • excipient generally refers to the carrier, diluent and/or vehicle required to formulate an effective pharmaceutical composition.
  • an "effective amount” or “therapeutically effective amount” with respect to a pharmaceutical or pharmacologically active agent refers to a sufficient amount of a drug or agent that is non-toxic but that achieves the desired effect.
  • an "effective amount” of an active substance in a composition refers to the amount required to achieve the desired effect when used in combination with another active substance in the composition. The determination of the effective amount will vary from person to person, depending on the age and general condition of the recipient, and also on the particular active substance, and a suitable effective amount in a case can be determined by one skilled in the art based on routine experimentation.
  • active ingredient refers to a chemical entity that is effective in treating a target disorder, disease or condition.
  • substituted means that any one or more hydrogen atoms on a particular atom are replaced by a substituent, and may include variants of heavy hydrogen and hydrogen, as long as the valence of the particular atom is normal and the substituted compound is stable. of.
  • Oxygen substitution does not occur on the aromatic group.
  • optionally substituted means that it may or may not be substituted, and unless otherwise specified, the kind and number of substituents may be arbitrary on the basis of chemically achievable.
  • any variable eg, R
  • its definition in each case is independent.
  • the group may optionally be substituted with at most two R, and each case has an independent option.
  • combinations of substituents and/or variants thereof are permissible only if such combinations result in stable compounds.
  • linking group When the number of one linking group is 0, such as -(CRR) 0 -, it indicates that the linking group is a single bond.
  • one of the variables When one of the variables is selected from a single bond, it means that the two groups to which it is attached are directly linked. For example, when L represents a single bond in A-L-Z, the structure is actually A-Z.
  • a substituent When a substituent is vacant, it means that the substituent is absent. For example, when X is vacant in AX, the structure is actually A.
  • the substituent can be attached to more than one atom on a ring, the substituent can be bonded to any atom on the ring, for example, a structural unit. It is indicated that the substituent R can be substituted at any position on the cyclohexyl group or cyclohexadiene.
  • substituents When the listed substituents are not indicated by which atom is attached to the substituted group, such a substituent may be bonded through any atom thereof, for example, a pyridyl group as a substituent may be passed through any one of the pyridine rings. A carbon atom is attached to the substituted group.
  • the medium linking group L is -MW-, and at this time, -MW- can be connected in the same direction as the reading order from left to right to form ring A and ring B. It is also possible to connect the ring A and the ring B in a direction opposite to the reading order from left to right. Combinations of the linking groups, substituents and/or variants thereof are permissible only if such combinations result in stable compounds.
  • hetero denotes a hetero atom or a hetero atomic group (ie, a radical containing a hetero atom), including atoms other than carbon (C) and hydrogen (H), and radicals containing such heteroatoms, including, for example, oxygen (O).
  • ring means substituted or unsubstituted cycloalkyl, heterocycloalkyl, cycloalkenyl, heterocycloalkenyl, cycloalkynyl, heterocycloalkynyl, aryl or heteroaryl. So-called rings include single rings, interlocking rings, spiral rings, parallel rings or bridge rings. The number of atoms on the ring is usually defined as the number of elements of the ring. For example, "5 to 7-membered ring” means 5 to 7 atoms arranged in a circle. Unless otherwise specified, the ring optionally contains from 1 to 3 heteroatoms.
  • 5- to 7-membered ring includes, for example, phenyl, pyridine, and piperidinyl; on the other hand, the term “5- to 7-membered heterocycloalkyl ring” includes pyridyl and piperidinyl, but does not include phenyl.
  • ring also includes ring systems containing at least one ring, each of which "ring” independently conforms to the above definition.
  • heterocycle or “heterocyclyl” means a stable monocyclic, bicyclic or tricyclic ring containing a hetero atom or a heteroatom group which may be saturated, partially unsaturated or unsaturated ( Aromatic) which comprise a carbon atom and 1, 2, 3 or 4 ring heteroatoms independently selected from N, O and S, wherein any of the above heterocycles may be fused to a phenyl ring to form a bicyclic ring.
  • the nitrogen and sulfur heteroatoms can be optionally oxidized (i.e., NO and S(O)p, p is 1 or 2).
  • the nitrogen atom can be substituted or unsubstituted (i.e., N or NR, wherein R is H or other substituents as already defined herein).
  • the heterocyclic ring can be attached to the side groups of any hetero atom or carbon atom to form a stable structure. If the resulting compound is stable, the heterocycles described herein can undergo substitutions at the carbon or nitrogen sites.
  • the nitrogen atom in the heterocycle is optionally quaternized.
  • a preferred embodiment is that when the total number of S and O atoms in the heterocycle exceeds 1, these heteroatoms are not adjacent to each other. Another preferred embodiment is that the total number of S and O atoms in the heterocycle does not exceed one.
  • aromatic heterocyclic group or "heteroaryl” as used herein means a stable 5, 6, or 7 membered monocyclic or bicyclic or aromatic ring of a 7, 8, 9 or 10 membered bicyclic heterocyclic group, It contains carbon atoms and 1, 2, 3 or 4 ring heteroatoms independently selected from N, O and S.
  • the nitrogen atom can be substituted or unsubstituted (i.e., N or NR, wherein R is H or other substituents as already defined herein).
  • the nitrogen and sulfur heteroatoms can be optionally oxidized (i.e., NO and S(O)p, p is 1 or 2).
  • bridged rings are also included in the definition of heterocycles.
  • a bridged ring is formed when one or more atoms (ie, C, O, N, or S) join two non-adjacent carbon or nitrogen atoms.
  • Preferred bridged rings include, but are not limited to, one carbon atom, two carbon atoms, one nitrogen atom, two nitrogen atoms, and one carbon-nitrogen group. It is worth noting that a bridge always converts a single ring into a three ring. In the bridged ring, a substituent on the ring can also be present on the bridge.
  • heterocyclic compounds include, but are not limited to, acridinyl, octanoyl, benzimidazolyl, benzofuranyl, benzofuranylfuranyl, benzindenylphenyl, benzoxazolyl, benzimidin Oxazolinyl, benzothiazolyl, benzotriazolyl, benzotetrazolyl, benzisoxazolyl, benzisothiazolyl, benzimidazolyl, oxazolyl, 4aH-carbazolyl, Porphyrin, chroman, chromene, porphyrin-decahydroquinolinyl, 2H,6H-1,5,2-dithiazinyl, dihydrofuro[2,3-b]tetrahydrofuranyl, furyl, furazyl, imidazolidinyl, imidazolinyl, imidazolyl, 1H-indole Azyl, dec
  • hydrocarbyl or its subordinate concept (such as alkyl, alkenyl, alkynyl, aryl, etc.), by itself or as part of another substituent, is meant to be straight-chain, branched or cyclic.
  • the hydrocarbon atom group or a combination thereof may be fully saturated (such as an alkyl group), a unit or a polyunsaturated (such as an alkenyl group, an alkynyl group, an aryl group), may be monosubstituted or polysubstituted, and may be monovalent (such as Methyl), divalent (such as methylene) or polyvalent (such as methine), may include divalent or polyvalent radicals with a specified number of carbon atoms (eg, C 1 -C 12 represents 1 to 12 carbons) , C 1-12 is selected from C 1 , C 2 , C 3 , C 4 , C 5 , C 6 , C 7 , C 8 , C 9 , C 10 , C 11 and C 12 ; C 3-12 is selected from C 3 , C 4 , C 5 , C 6 , C 7 , C 8 , C 9 , C 10 , C 11 and C 12 .).
  • C 1-12 is selected from C 1
  • Hydrocarbyl includes, but is not limited to, aliphatic hydrocarbyl groups including chain and cyclic, including but not limited to alkyl, alkenyl, alkynyl groups including, but not limited to, 6-12 members.
  • An aromatic hydrocarbon group such as benzene, naphthalene or the like.
  • hydrocarbyl means a straight or branched chain radical or a combination thereof, which may be fully saturated, unitary or polyunsaturated, and may include divalent and multivalent radicals.
  • saturated hydrocarbon radicals include, but are not limited to, methyl, ethyl, n-propyl, isopropyl, n-butyl, t-butyl, isobutyl, sec-butyl, isobutyl, cyclohexyl, (cyclohexyl).
  • a homolog or isomer of a methyl group, a cyclopropylmethyl group, and an atomic group such as n-pentyl, n-hexyl, n-heptyl, n-octyl.
  • the unsaturated hydrocarbon group has one or more double or triple bonds, and examples thereof include, but are not limited to, a vinyl group, a 2-propenyl group, a butenyl group, a crotyl group, a 2-isopentenyl group, and a 2-(butadienyl group). , 2,4-pentadienyl, 3-(1,4-pentadienyl), ethynyl, 1- and 3-propynyl, 3-butynyl, and higher homologs and isomers body.
  • heterohydrocarbyl or its subordinate concept (such as heteroalkyl, heteroalkenyl, heteroalkynyl, heteroaryl, etc.), by itself or in combination with another term, means a stable straight chain, branched chain. Or a cyclic hydrocarbon radical or a combination thereof having a number of carbon atoms and at least one heteroatom.
  • heteroalkyl by itself or in conjunction with another term refers to a stable straight chain, branched hydrocarbon radical or combination thereof, having a number of carbon atoms and at least one heteroatom.
  • the heteroatoms are selected from the group consisting of B, O, N, and S, wherein the nitrogen and sulfur atoms are optionally oxidized, and the nitrogen heteroatoms are optionally quaternized.
  • the hetero atom or heteroatom group may be located at any internal position of the heterohydrocarbyl group, including where the hydrocarbyl group is attached to the rest of the molecule, but the terms "alkoxy”, “alkylamino” and “alkylthio” (or thioalkoxy). By customary expression, those alkyl groups which are attached to the remainder of the molecule through an oxygen atom, an amino group or a sulfur atom, respectively.
  • Up to two heteroatoms may be consecutive, for example, -CH 2 -NH-OCH 3.
  • cycloalkyl refers to any heterocyclic alkynyl group, etc., by itself or in combination with other terms, denotes a cyclized “hydrocarbyl group” or “heterohydrocarbyl group”, respectively.
  • a hetero atom may occupy a position at which the hetero ring is attached to the rest of the molecule.
  • cycloalkyl groups include, but are not limited to, cyclopentyl, cyclohexyl, 1-cyclohexenyl, 3-cyclohexenyl, cycloheptyl, and the like.
  • heterocyclic groups include 1-(1,2,5,6-tetrahydropyridyl), 1-piperidinyl, 2-piperidinyl, 3-piperidinyl, 4-morpholinyl, 3-morpholinyl, tetrahydrofuran-2-yl, tetrahydrofuran-3-yl, tetrahydrothiophen-2-yl, tetrahydrothiophen-3-yl, 1-piperazinyl and 2-piperazinyl.
  • alkyl is used to denote a straight or branched saturated hydrocarbon group, which may be monosubstituted (eg, -CH 2 F) or polysubstituted (eg, -CF 3 ), and may be monovalent (eg, Methyl), divalent (such as methylene) or polyvalent (such as methine).
  • alkyl group include methyl (Me), ethyl (Et), propyl (e.g., n-propyl and isopropyl), butyl (e.g., n-butyl, isobutyl, s-butyl). , t-butyl), pentyl (eg, n-pentyl, isopentyl, neopentyl) and the like.
  • alkenyl refers to an alkyl group having one or more carbon-carbon double bonds at any position of the chain, which may be mono- or poly-substituted, and may be monovalent, divalent or multivalent.
  • alkenyl group include a vinyl group, a propenyl group, a butenyl group, a pentenyl group, a hexenyl group, a butadienyl group, a pentadienyl group, a hexadienyl group and the like.
  • alkynyl refers to an alkyl group having one or more carbon-carbon triple bonds at any position of the chain, which may be mono- or poly-substituted, and may be monovalent, divalent or multivalent.
  • alkynyl groups include ethynyl, propynyl, butynyl, pentynyl and the like.
  • a cycloalkyl group includes any stable cyclic or polycyclic hydrocarbon group, any carbon atom which is saturated, may be monosubstituted or polysubstituted, and may be monovalent, divalent or multivalent.
  • Examples of such cycloalkyl groups include, but are not limited to, cyclopropyl, norbornyl, [2.2.2]bicyclooctane, [4.4.0]bicyclononane, and the like.
  • a cycloalkenyl group includes any stable cyclic or polycyclic hydrocarbon group which contains one or more unsaturated carbon-carbon double bonds at any position of the ring, and may be monosubstituted or polysubstituted, It can be one price, two price or multiple price.
  • Examples of such cycloalkenyl groups include, but are not limited to, cyclopentenyl, cyclohexenyl, and the like.
  • a cycloalkynyl group includes any stable cyclic or polycyclic hydrocarbon group which contains one or more carbon-carbon triple bonds at any position of the ring, which may be monosubstituted or polysubstituted, and may be one Price, price or price.
  • halo or “halogen”, by itself or as part of another substituent, denotes a fluorine, chlorine, bromine or iodine atom.
  • haloalkyl is intended to include both monohaloalkyl and polyhaloalkyl.
  • halo(C 1 -C 4 )alkyl is intended to include, but is not limited to, trifluoromethyl, 2,2,2-trifluoroethyl, 4-chlorobutyl, 3-bromopropyl, and the like. Wait.
  • examples of haloalkyl include, but are not limited to, trifluoromethyl, trichloromethyl, pentafluoroethyl, and pentachloroethyl.
  • alkoxy represents attached through an oxygen bridge
  • C 1-6 alkoxy groups include C 1, C 2, C 3 , C 4, C 5 , and C 6 alkoxy groups.
  • alkoxy groups include, but are not limited to, methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy, sec-butoxy, tert-butoxy, n-pentyloxy and S- Pentyloxy.
  • aryl denotes a polyunsaturated, aromatic hydrocarbon substituent which may be monosubstituted or polysubstituted, which may be monovalent, divalent or polyvalent, which may be monocyclic or polycyclic ( For example, 1 to 3 rings; at least one of which is aromatic), they are fused together or covalently linked.
  • heteroaryl refers to an aryl (or ring) containing one to four heteroatoms. In an illustrative example, the heteroatoms are selected from the group consisting of B, N, O, and S, wherein the nitrogen and sulfur atoms are optionally oxidized, and the nitrogen atom is optionally quaternized.
  • a heteroaryl group can be attached to the remainder of the molecule through a heteroatom.
  • aryl or heteroaryl groups include phenyl, naphthyl, biphenyl, pyrrolyl, pyrazolyl, imidazolyl, pyrazinyl, oxazolyl, phenyl-oxazolyl, isomerism Azyl, thiazolyl, furyl, thienyl, pyridyl, pyrimidinyl, benzothiazolyl, indolyl, benzimidazolyl, indolyl, isoquinolyl, quinoxalinyl, quinolinyl, 1 -naphthyl, 2-naphthyl, 4-biphenylyl, 1-pyrrolyl, 2-pyrrolyl, 3-pyrrolyl, 3-pyrazolyl, 2-imidazolyl, 4-imidazolyl, pyrazinyl, 2-oxazolyl
  • aryl groups when used in conjunction with other terms (e.g., aryloxy, arylthio, aralkyl), include aryl and heteroaryl rings as defined above.
  • aralkyl is intended to include those radicals to which an aryl group is attached to an alkyl group (eg, benzyl, phenethyl, pyridylmethyl, and the like), including wherein the carbon atom (eg, methylene) has been, for example, oxygen.
  • alkyl groups substituted by an atom such as phenoxymethyl, 2-pyridyloxymethyl 3-(1-naphthyloxy)propyl and the like.
  • leaving group refers to a functional group or atom which may be substituted by another functional group or atom by a substitution reaction (for example, an affinity substitution reaction).
  • substituent groups include triflate; chlorine, bromine, iodine; sulfonate groups such as mesylate, tosylate, p-bromobenzenesulfonate, p-toluenesulfonic acid Esters and the like; acyloxy groups such as acetoxy, trifluoroacetoxy and the like.
  • protecting group includes, but is not limited to, "amino protecting group", “hydroxy protecting group” or “thiol protecting group”.
  • amino protecting group refers to a protecting group suitable for preventing side reactions at the amino nitrogen position.
  • Representative amino protecting groups include, but are not limited to, formyl; acyl, such as alkanoyl (e.g., acetyl, trichloroacetyl or trifluoroacetyl); alkoxycarbonyl, e.g., tert-butoxycarbonyl (Boc) Arylmethoxycarbonyl, such as benzyloxycarbonyl (Cbz) and 9-fluorenylmethoxycarbonyl (Fmoc); arylmethyl, such as benzyl (Bn), trityl (Tr), 1, 1-di -(4'-methoxyphenyl)methyl; silyl groups such as trimethylsilyl (TMS) and tert-
  • hydroxy protecting group refers to a protecting group suitable for use in preventing hydroxy side reactions.
  • Representative hydroxy protecting groups include, but are not limited to, alkyl groups such as methyl, ethyl and t-butyl groups; acyl groups such as alkanoyl groups (e.g., acetyl); arylmethyl groups such as benzyl (Bn), Oxybenzyl (PMB), 9-fluorenylmethyl (Fm) and Diphenylmethyl (diphenylmethyl, DPM); silyl groups such as trimethylsilyl (TMS) and tert-butyldimethylsilyl (TBS) and the like.
  • alkyl groups such as methyl, ethyl and t-butyl groups
  • acyl groups such as alkanoyl groups (e.g., acetyl)
  • arylmethyl groups such as benzyl (Bn), Oxybenzyl (PMB), 9-fluoren
  • the compounds of the present invention can be prepared by a variety of synthetic methods well known to those skilled in the art, including the specific embodiments set forth below, combinations thereof with other chemical synthetic methods, and those well known to those skilled in the art. Equivalent alternatives, preferred embodiments include, but are not limited to, embodiments of the invention.
  • the solvent used in the present invention is commercially available.
  • the present invention employs the following abbreviations: aq for water; HATU for O-(7-azabenzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate ; EDC stands for N-(3-dimethylaminopropyl)-N'-ethylcarbodiimide hydrochloride; m-CPBA stands for 3-chloroperoxybenzoic acid; eq stands for equivalent, equivalent; CDI stands for Carbonyldiimidazole; DCM stands for dichloromethane; PE stands for petroleum ether; DIAD stands for diisopropyl azodicarboxylate; DMF stands for N,N-dimethylformamide; DMSO stands for dimethyl sulfoxide; EtOAc stands for acetic acid Esters; EtOH for ethanol; MeOH for methanol; CBz for benzyl
  • Triethylamine (4.33 g, 42.7 mmol) was added dropwise to a solution of Compound 1-2 (6.20 g, 21.3 mmol) THF.
  • the reaction solution It was replaced with nitrogen three times and stirred at 10 ° C for 15 hours.
  • the reaction mixture was concentrated with EtOAc EtOAc m.
  • the organic phase was dried over anhydrous sodium sulfate, filtered and evaporated.
  • the crude product was purified by silica gel column chromatography (jjjjjjjjj
  • Trimethylsilyldiazomethane (2M, 14.8 mL, 29.7 mmol) was added dropwise to a solution of Compound 1-3 (3.10 g, 14.8 mmol), palladium acetate (322 mg, 1.44 mmol) in toluene (60 mL). ).
  • the reaction solution was replaced with nitrogen three times, heated to 10 ° C and stirred for 15 hours.
  • the reaction mixture was concentrated with EtOAc EtOAc m.
  • the organic phase was dried over anhydrous sodium sulfate, filtered and evaporated.
  • the crude product was purified by silica gel column chromatography (jjjjjjjjjj
  • Mobile phase A: carbon dioxide; B: 40% isopropanol (containing 0.05% diethylamine);
  • the cells were seeded in 20 microliter 384 well microplates and incubated at 37 °C for the appropriate time.
  • cells are incubated with the sample to be tested to induce a reaction
  • test solution to be tested is diluted 5 times into the buffer
  • microplate was read using a PerkinElmer EnvisionTM instrument for chemiluminescent signal detection.
  • the compounds of the invention have significant and unexpected S1P1 receptor agonistic activity.
  • the rodent pharmacological characteristics of the compound after intravenous injection and oral administration were tested by a standard protocol.
  • the candidate compound was formulated into a clear solution, and the rats were administered a single intravenous injection and oral administration.
  • the intravenous and oral vehicles are a certain proportion of aqueous hydroxypropyl ⁇ -cyclodextrin or physiological saline solution. Collect whole blood samples within 24 hours, centrifuge at 3000g for 15 minutes, separate the supernatant to obtain plasma samples, add 4 times volume of acetonitrile solution containing internal standard to precipitate protein, centrifuge to remove the supernatant, add equal volume of water and centrifuge to remove the supernatant.
  • the LC-MS/MS analysis method was used to quantitatively analyze the plasma concentration, and the pharmacokinetic parameters such as peak concentration, peak time, clearance rate, half-life, area under the curve of the drug, and bioavailability were calculated.
  • the compound of the present invention can significantly increase the single or partial index of rat pharmacokinetics compared with Ozanimod.

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Abstract

La présente invention concerne une série de composés tricycliques et leur utilisation en tant qu'agonistes du récepteur du sous-type 1 de la sphingosine 1-phosphate (S1P1), et en particulier les composés représentés par la formule (I), et des tautomères ou des sels pharmaceutiquement acceptables de ceux-ci.
PCT/CN2017/096368 2016-08-08 2017-08-08 Composé tricyclique et son utilisation WO2018028557A1 (fr)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020064818A1 (fr) 2018-09-25 2020-04-02 Química Sintética, S.A. Procédé de préparation d'un agoniste du récepteur de la sphingosine-1-phosphate
EP4116295A4 (fr) * 2020-03-04 2023-08-02 Helioeast Pharmaceutical Co., Ltd. Composés tricycliques et leur utilisation

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WO2011005290A1 (fr) * 2009-06-23 2011-01-13 Arena Pharmaceuticals, Inc. Dérivés d'oxadiazole disubstitués utiles dans le traitement de troubles auto-immuns et inflammatoires
WO2011060391A1 (fr) * 2009-11-13 2011-05-19 Receptos, Inc. Modulateurs de récepteur de sphingosine-1-phosphate hétérocycliques sélectifs
WO2015066515A1 (fr) * 2013-11-01 2015-05-07 Receptos, Inc. Modulateurs sélectifs des récepteurs de la sphingosine-1-phosphate et traitement combiné les utilisant

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Publication number Priority date Publication date Assignee Title
WO2011005290A1 (fr) * 2009-06-23 2011-01-13 Arena Pharmaceuticals, Inc. Dérivés d'oxadiazole disubstitués utiles dans le traitement de troubles auto-immuns et inflammatoires
WO2011060391A1 (fr) * 2009-11-13 2011-05-19 Receptos, Inc. Modulateurs de récepteur de sphingosine-1-phosphate hétérocycliques sélectifs
WO2015066515A1 (fr) * 2013-11-01 2015-05-07 Receptos, Inc. Modulateurs sélectifs des récepteurs de la sphingosine-1-phosphate et traitement combiné les utilisant

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020064818A1 (fr) 2018-09-25 2020-04-02 Química Sintética, S.A. Procédé de préparation d'un agoniste du récepteur de la sphingosine-1-phosphate
US11465977B2 (en) 2018-09-25 2022-10-11 Química Sintética, S.A. Process for the preparation of sphingosine-1-phosphate receptor agonist
EP4116295A4 (fr) * 2020-03-04 2023-08-02 Helioeast Pharmaceutical Co., Ltd. Composés tricycliques et leur utilisation
JP7443550B2 (ja) 2020-03-04 2024-03-05 ヒーリオイースト ファーマシューティカル カンパニー リミテッド 三環系化合物及びその使用

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