WO2014054635A1 - イミダゾール誘導体 - Google Patents
イミダゾール誘導体 Download PDFInfo
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- WO2014054635A1 WO2014054635A1 PCT/JP2013/076694 JP2013076694W WO2014054635A1 WO 2014054635 A1 WO2014054635 A1 WO 2014054635A1 JP 2013076694 W JP2013076694 W JP 2013076694W WO 2014054635 A1 WO2014054635 A1 WO 2014054635A1
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- optionally substituted
- alkyl
- group
- alkoxy
- imidazol
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- RGAFXEOPVNUDMQ-UHFFFAOYSA-N C(CNCC1)C1[n]1cnc(-c2ccccc2)c1 Chemical compound C(CNCC1)C1[n]1cnc(-c2ccccc2)c1 RGAFXEOPVNUDMQ-UHFFFAOYSA-N 0.000 description 1
- 0 Cc1c(*)[n](C(CC*)*C*)c(*)n1 Chemical compound Cc1c(*)[n](C(CC*)*C*)c(*)n1 0.000 description 1
- AHKDSRHRXHVJBI-UHFFFAOYSA-N Fc1cc(-c2c[n](C3CCNCC3)cn2)ccc1 Chemical compound Fc1cc(-c2c[n](C3CCNCC3)cn2)ccc1 AHKDSRHRXHVJBI-UHFFFAOYSA-N 0.000 description 1
- JEPPYVOSGKWVSJ-UHFFFAOYSA-N NC1C(CC2)CC2C1 Chemical compound NC1C(CC2)CC2C1 JEPPYVOSGKWVSJ-UHFFFAOYSA-N 0.000 description 1
- INYDDNHASJNUEQ-UHFFFAOYSA-N O=C(C(CC1)CCC1(F)F)N(CC1)CCC1[n]1cnc(-c2ccccc2)c1 Chemical compound O=C(C(CC1)CCC1(F)F)N(CC1)CCC1[n]1cnc(-c2ccccc2)c1 INYDDNHASJNUEQ-UHFFFAOYSA-N 0.000 description 1
- OSIVVRNTPCRLQF-UHFFFAOYSA-N O=C(NC1C(CC2)CC2C1)N(CC1)CCC1[n]1cnc(-c2cccc(F)c2)c1 Chemical compound O=C(NC1C(CC2)CC2C1)N(CC1)CCC1[n]1cnc(-c2cccc(F)c2)c1 OSIVVRNTPCRLQF-UHFFFAOYSA-N 0.000 description 1
- HYIUDFLDFSIXTR-UHFFFAOYSA-N OC(C(CC1)CCC1(F)F)=O Chemical compound OC(C(CC1)CCC1(F)F)=O HYIUDFLDFSIXTR-UHFFFAOYSA-N 0.000 description 1
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- C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
- C07D233/64—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms, e.g. histidine
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- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/08—Bridged systems
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- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
- A61K31/4164—1,3-Diazoles
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- A61K31/4164—1,3-Diazoles
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- A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
- A61K31/4164—1,3-Diazoles
- A61K31/4178—1,3-Diazoles not condensed 1,3-diazoles and containing further heterocyclic rings, e.g. pilocarpine, nitrofurantoin
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- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/439—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom the ring forming part of a bridged ring system, e.g. quinuclidine
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- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
- A61K31/4427—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems
- A61K31/4439—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. omeprazole
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- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
- A61K31/445—Non condensed piperidines, e.g. piperocaine
- A61K31/4523—Non condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems
- A61K31/454—Non condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. pimozide, domperidone
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- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
- A61K31/506—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim not condensed and containing further heterocyclic rings
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- A61K31/55—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole
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- 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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- C07D401/14—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
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- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings directly linked by a ring-member-to-ring-member bond
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- C07D403/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
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- 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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- C07D409/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
Definitions
- the present invention relates to a novel imidazole derivative which is a modulator of ⁇ 7 nicotinic acetylcholine receptor ( ⁇ 7 nAChR). Due to their pharmacological properties, the compounds of the present invention can be used for diseases related to cholinergic activity of the central nervous system (CNS) and / or peripheral nervous system (PNS), diseases related to smooth muscle contraction, endocrine diseases, diseases related to neurodegeneration, It may be useful for the treatment of diseases such as inflammation or pain and diseases related to withdrawal symptoms caused by addictive drug abuse.
- CNS central nervous system
- PNS peripheral nervous system
- diseases related to smooth muscle contraction endocrine diseases
- diseases related to neurodegeneration It may be useful for the treatment of diseases such as inflammation or pain and diseases related to withdrawal symptoms caused by addictive drug abuse.
- ⁇ 7 nicotinic acetylcholine receptor represents a valid molecular target for neuroprotection.
- neuroprotection can be achieved by developing an active agonist / positive modulator of the receptor (positive allosteric modulator: PAM).
- PAM positive allosteric modulator
- ⁇ 7 nicotinic receptor agonists have already been identified and evaluated as potential clues for the development of neuroprotective drugs.
- the involvement of ⁇ 7 nicotinic acetylcholine receptors in inflammation has also been reported. From the above, the development of a novel modulator of the receptor is expected to be a novel treatment for nervous system diseases, psychiatric diseases and inflammatory diseases.
- Patent Document 1 a modulator of ⁇ 7 nicotinic acetylcholine receptor ( ⁇ 7 nAChR), but the structure is different from the compound of the present invention (Patent Document 1 and Patent Document 2).
- An object of the present invention is to provide a novel compound having a potent ⁇ 7 nicotinic acetylcholine receptor ( ⁇ 7 nAChR) regulating action and useful as a novel therapeutic agent and / or preventive agent for nervous system diseases, mental disorders and inflammatory diseases.
- ⁇ 7 nAChR potent ⁇ 7 nicotinic acetylcholine receptor
- an imidazole derivative represented by the following formula (I) or a pharmaceutically acceptable salt thereof (hereinafter sometimes referred to as “the compound of the present invention”) is provided.
- R 1 is phenyl or heteroaryl (the phenyl and the heteroaryl are each substituted halogen, hydroxyl, 1 to 5 fluorine optionally substituted by C 1-6 alkyl, 1 to 5 fluorines
- 1 to 5 substituents independently selected from the group consisting of C 1-6 alkoxy, cyano, —NR 8 R 9 , —COOR 8 , —CONR 8 R 9 and —NR 8 COR 9
- R 2A and R 2B are the same or different and are a hydrogen atom; halogen; cyano; —COOR 10 ; —CONR 10 R 11 ; —NR 10 R 11 ; —NR 10 COR 11 ; halogen, hydroxyl group, C 1-6 alkyl C 3-10 cycloalkyl optionally substituted with 1 to 5 fluorine atoms, C 1-6 alkoxy, 4- to 10-membered saturated heterocyclic ring, cyan
- R 15 and —NR 14 COR 15 optionally substituted by 1 to 5 substituents independently selected from the group consisting of R 15 and —NR 14 COR 15 ); fluorine, hydroxyl group, C 1-6 a C 1-6 alkoxy optionally substituted with 1 to 5 substituents independently selected from the group consisting of: alkoxy, —NR 14 R 15 , —CONR 14 R 15 and —NR 14 COR 15 ; halogen Cyano; —CONR 14 R 15 ; —NR 14 COR 15 ; or optionally substituted by 1 to 3 substituents independently selected from the group consisting of —NR 14 R 15 ]
- R 8 to R 15 are the same or different, and when there are a plurality of R 8 to R 15 , each independently represents a hydrogen atom or C 1-6 alkyl optionally substituted with 1 to 5 fluorines, , R 8 and R 9 , R 10 and R 11 , R 12 and R 13 or R 14 and R 15 are (1) when one is a hydrogen
- R 1 is phenyl or monocyclic heteroaryl (the phenyl and monocyclic heteroaryl are each halogen, hydroxyl, C 1-6 alkyl optionally substituted with 1 to 5 fluorines, 1 to 5 1 to 5 independently selected from the group consisting of C 1-6 alkoxy optionally substituted with fluorine, cyano, —NR 8 R 9 , —COOR 8 , —CONR 8 R 9 and —NR 8 COR 9 May be substituted with one substituent),
- R 2A and R 2B are the same or different and are a hydrogen atom; halogen; cyano; —COOR 10 ; —CONR 10 R 11 ; —NR 10 R 11 ; —NR 10 COR 11 ; halogen, hydroxyl group, C 1-6 alkyl C 3-10 cycloalkyl optionally substituted with 1 to 5 fluorine atoms, C 1-6 alkoxy, 4- to 10-membered saturated heterocycl
- R 15 and —NR 14 COR 15 optionally substituted by 1 to 5 substituents independently selected from the group consisting of R 15 and —NR 14 COR 15 ); fluorine, hydroxyl group, C 1-6 a C 1-6 alkoxy optionally substituted with 1 to 5 substituents independently selected from the group consisting of: alkoxy, —NR 14 R 15 , —CONR 14 R 15 and —NR 14 COR 15 ; halogen Cyano; —CONR 14 R 15 ; —NR 14 COR 15 ; or optionally substituted with 1 to 3 substituents independently selected from the group consisting of —NR 14 R 15 ];
- R 8 to R 15 are the same or different, and when there are a plurality of R 8 to R 15 , each independently represents a hydrogen atom or C 1-6 alkyl optionally substituted with 1 to 5 fluorines, , R 8 and R 9 , R 10 and R 11 , R 12 and R 13 or R 14 and R 15 are (1) when one is a
- n is 1.
- Item 3. The compound according to Item 1 or Item 2, or a pharmaceutically acceptable salt thereof.
- XYZ is N—CO—NR 4A R 4B , N—COR 5 , CR 6 —CO—NR 4A R 4B or CR 6 —NR 7 —COR 5 ;
- Item 4 The compound according to any one of Items 1 to 3, or a pharmaceutically acceptable salt thereof.
- R 1 is phenyl or monocyclic heteroaryl (the phenyl and monocyclic heteroaryl are each halogen, hydroxyl, C 1-6 alkyl optionally substituted with 1 to 5 fluorines, 1 And optionally substituted with 1 to 5 substituents independently selected from the group consisting of C 1-6 alkoxy and cyano optionally substituted with 5 fluorines).
- Item 5 The compound according to any one of Items 1 to 4 or a pharmaceutically acceptable salt thereof.
- R 1 is halogen, hydroxyl, C 1-6 alkyl optionally substituted with 1 to 5 fluorines, C 1-6 alkoxy optionally substituted with 1 to 5 fluorines, It is phenyl optionally substituted by 1 to 5 substituents independently selected from the group consisting of cyano, —NR 8 R 9 , —COOR 8 , —CONR 8 R 9 and —NR 8 COR 9 , Item 5.
- R 2A and R 2B are the same or different and are a hydrogen atom; halogen; cyano; halogen, hydroxyl group, C 1-6 alkyl, or C 3-10 optionally substituted by 1 to 5 fluorines Independently selected from the group consisting of cycloalkyl, C 1-6 alkoxy, 4-10 membered saturated heterocycle, cyano, —NR 10 R 11 , —COOR 10 , —CONR 10 R 11 and —NR 10 COR 11.
- R 2A and R 2B are the same or different and each represents a hydrogen atom; a halogen; a cyano; or a halogen, a hydroxyl group, C 1-6 alkyl, 1 to 5 fluorine atoms optionally substituted with C 3 10 cycloalkyl, C 1-6 alkoxy and 4-10 membered saturated 1-5 C 1-6 alkyl optionally substituted with a substituent selected independently from the group consisting of heterocyclic,
- R 2A is a hydrogen atom; halogen; cyano: or C 1-4 optionally substituted with the above substituents Item 8.
- R 2A and R 2B are the same or different and each is a hydrogen atom, halogen or cyano.
- Item 8 The compound according to any one of Items 1 to 7, or a pharmaceutically acceptable salt thereof.
- R 2A is halogen or cyano
- R 2B is a hydrogen atom.
- Item 8 The compound according to any one of Items 1 to 7, or a pharmaceutically acceptable salt thereof.
- R 2B is a hydrogen atom.
- Item 11 The compound according to any one of Items 1 to 10, or a pharmaceutically acceptable salt thereof.
- R 3A , R 3B , R 3C , R 3D and R 6 are the same or different and each is a hydrogen atom or C 1-6 alkyl, wherein R 3A , R 3B , R 3C and R 6 When any two of 3D are C 1-6 alkyl, the two alkyls may form another ring together with the carbon atom to which the alkyl is attached or the ring containing the carbon atom.
- Item 13 The compound according to any one of Items 1 to 12, or a pharmaceutically acceptable salt thereof.
- R 3A , R 3B , R 3C , R 3D and R 6 are all hydrogen atoms.
- Item 13 The compound according to any one of Items 1 to 12, or a pharmaceutically acceptable salt thereof.
- R 4A , R 4B , R 5 and R 7 are the same or different and are aryl or heteroaryl (the aryl and heteroaryl are each substituted with halogen, hydroxyl, or 1 to 5 fluorines.
- C 1-6 alkyl may be substituted by also C 1-6 alkyl and one to five 1 to 5 substituents fluorine optionally substituted independently selected from the group consisting of even a C 1-6 alkoxy ), Halogen, hydroxyl, C 1-6 alkoxy, 4-10 membered saturated heterocycle, C 3-10 cycloalkyl and —NR 12 R 13 independently selected from 1-5 substituents in an optionally substituted C 1-6 alkyl; aryl or heteroaryl (wherein aryl and said heteroaryl are optionally halogen, hydroxyl, optionally substituted with 1-5 fluorine C -6 alkyl and may be substituted with 1-5 of 1 to 5 substituents fluorine optionally substituted independently selected from the group consisting of a C 1-6 alkoxy), halogen, C 3-10 cycloalkyl optionally substituted with 1 to 5 substituents independently selected from the group consisting of a hydroxyl group, C 1-6 alkoxy, C 1-6 alkyl and —NR
- R 4A , R 4B , R 5 and R 7 are the same or different and are halogen, hydroxyl group, C 1-6 alkoxy, 4- to 10-membered saturated heterocyclic ring, C 3-10 cycloalkyl and —NR C 1-6 alkyl optionally substituted with 1 to 5 substituents independently selected from the group consisting of 12 R 13 ; halogen, hydroxyl, C 1-6 alkoxy, C 1-6 alkyl and — C 3-10 cycloalkyl optionally substituted with 1 to 5 substituents independently selected from the group consisting of NR 12 R 13 ; aryl or heteroaryl (the aryl and heteroaryl are each halogen are independently selected from the group consisting of one to five fluorine may be substituted with C 1-6 alkyl and 1 to 5 fluorine optionally substituted by a C 1-6 alkoxy 1-5 may be substituted with a substituent); a or a hydrogen atom, wherein, R 5 is not
- R 4A , R 4B , R 5 and R 7 are the same or different and are halogen, hydroxyl group, C 1-6 alkoxy, 4- to 10-membered saturated heterocyclic ring, C 3-10 cycloalkyl and —NR C 1-6 alkyl optionally substituted with 1 to 5 substituents independently selected from the group consisting of 12 R 13 ; halogen, hydroxyl group, C 1-6 alkoxy, C 1-6 alkyl or — C 3-10 cycloalkyl optionally substituted with 1 to 5 substituents independently selected from the group consisting of NR 12 R 13 ; or a hydrogen atom, provided that R 5 is not a hydrogen atom 15.
- R 4B and R 7 are hydrogen atoms.
- Item 18 The compound according to any one of Items 1 to 17, or a pharmaceutically acceptable salt thereof.
- XYZ is N—CO—NR 4A R 4B .
- Item 19 The compound according to any one of Items 1 to 18, or a pharmaceutically acceptable salt thereof.
- XYZ is N-COR 5 .
- Item 19 The compound according to any one of Items 1 to 18, or a pharmaceutically acceptable salt thereof.
- XYZ is CR 6 —CO—NR 4A R 4B .
- Item 19 The compound according to any one of Items 1 to 18, or a pharmaceutically acceptable salt thereof.
- XYZ is CR 6 —NR 7 —COR 5 ; Item 19.
- XYZ is CR 6 -NR 7 -Q.
- Item 19 The compound according to any one of Items 1 to 18, or a pharmaceutically acceptable salt thereof.
- XYZ is CR 6 -NR 7 -Q
- Q is pyrimidinyl (wherein the pyrimidinyl is halogen, C 1-6 alkyl optionally substituted with 1 to 5 fluorines) And optionally substituted with 1 to 3 substituents independently selected from the group consisting of C 1-6 alkoxy optionally substituted with 1 to 5 fluorines).
- Item 19 The compound according to any one of Items 1, 2, or 4 to 18, or a pharmaceutically acceptable salt thereof.
- a pharmaceutical composition comprising the compound according to any one of items 1 to 26 or a pharmaceutically acceptable salt thereof.
- Item 29 Diseases caused by abnormal intracellular signaling involving acetylcholine are CIAS (cognitive impairment associated with schizophrenia), Alzheimer's disease, Down's syndrome, cognitive impairment, mild cognitive impairment, memory impairment / learning impairment, Item 29.
- the therapeutic agent according to Item 28 which is attention deficit / hyperactivity disorder or cerebrovascular angiopathy.
- a pharmaceutical comprising the compound according to any one of items 1 to 26 or a pharmaceutically acceptable salt thereof for use in the treatment of a disease caused by an abnormality in intracellular signal transduction involving acetylcholine Composition.
- the compound of the present invention is useful as a novel therapeutic agent for nervous system diseases, psychiatric diseases, and inflammatory diseases (for example, senile dementia, attention deficit disorder, Alzheimer's disease, and schizophrenia).
- inflammatory diseases for example, senile dementia, attention deficit disorder, Alzheimer's disease, and schizophrenia.
- the compound of the present invention is useful for the treatment of nervous system diseases such as schizophrenia and psychiatric disorders as a concomitant drug with atypical antipsychotic drugs.
- the compounds of the present invention may exist in the form of hydrates and / or solvates, these hydrates and / or solvates are also included in the compounds of the present invention.
- the compound of formula (I) may have one or more asymmetric carbon atoms and may cause geometric isomerism and axial chirality, and therefore exist as several stereoisomers. There is. In the present invention, these stereoisomers, mixtures thereof and racemates are included in the compound represented by the formula (I) of the present invention.
- a deuterium converter obtained by converting any one or two or more 1 H of the compound represented by the general formula (I) to 2 H (D). Is done.
- the compound represented by the formula (I) or a pharmaceutically acceptable salt hydrate, solvate such as ethanol solvate is also represented by the general formula (I). Included in the compound.
- Alkyl means a linear or branched saturated hydrocarbon group.
- C 1-4 alkyl or “C 1-6 alkyl” has 1 to 4 carbon atoms or Means 1-6 alkyl. Specific examples thereof include “C 1-4 alkyl” such as methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl and the like.
- C 1-6 alkyl in addition to the above, pentyl, isopentyl, neopentyl, hexyl and the like can be mentioned.
- Cycloalkyl means a monocyclic or polycyclic saturated hydrocarbon.
- C 3-10 cycloalkyl means a cyclic alkyl having 3 to 10 carbon atoms and is partially bridged. Also included are those having a structure or those formed with an aryl or heteroaryl ring. Specific examples thereof include “C 3-10 cycloalkyl” such as cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, cyclooctyl, adamantyl and the like.
- Alkoxy means a group in which a linear or branched saturated hydrocarbon group is bonded via an oxygen atom.
- C 1-6 alkoxy has 1 carbon atom.
- Specific examples of “C 1-6 alkoxy” include methoxy, ethoxy, propoxy, isopropoxy, butyloxy, pentyloxy, isopentyloxy, neopentyloxy, hexyloxy and the like.
- Halogen means a fluorine atom, a chlorine atom, a bromine atom or an iodine atom. Among them, preferred is a fluorine atom or a chlorine atom.
- aryl examples include phenyl, 1-naphthyl, 2-naphthyl, anthryl and the like. Of these, phenyl is preferable.
- Heteroaryl is a monocyclic 5- to 7-membered aromatic heterocyclic group or bicyclic ring containing 1 to 4 atoms independently selected from the group consisting of a nitrogen atom, an oxygen atom and a sulfur atom And an 8- to 11-membered aromatic heterocyclic group or a 3-ring 12- to 16-membered aromatic heterocyclic group.
- Monocyclic heteroaryl '' means pyridyl, pyridazinyl, isothiazolyl, pyrrolyl, furyl, thienyl, thiazolyl, imidazolyl, pyrimidinyl, thiadiazolyl, pyrazolyl, oxazolyl, isoxazolyl, pyrazinyl, triazinyl, triazolyl, imidazolidinyl, oxadiazolyl, triazolyl, tetrazolyl, etc. Can be mentioned. Of these, pyridyl, pyridazinyl, thienyl, imidazolyl, pyrimidinyl and the like are preferable. Most preferably, pyridyl and thienyl are mentioned.
- the “6-membered heteroaryl containing one or two nitrogen atoms” includes pyridyl, pyrimidinyl, pyrazinyl, pyridazinyl and the like. Of these, pyrimidinyl is preferable.
- the “4- to 10-membered saturated heterocyclic ring” means 4 to 10 atoms including 1 to 2 atoms independently selected from the group consisting of a nitrogen atom, an oxygen atom and a sulfur atom in addition to a carbon atom. Means a composed heterocycle.
- azetidine, pyrrolidine, piperidine, piperazine, morpholine, homopiperidine, tetrahydrofuran, tetrahydropyran and the like can be mentioned.
- the 4- to 10-membered nitrogen-containing saturated heterocyclic ring means a saturated heterocyclic ring composed of 4 to 10 atoms containing at least 1 to 2 nitrogen atoms in addition to carbon atoms.
- azetidine, pyrrolidine, piperidine, piperazine, homopiperidine and the like can be mentioned.
- Preferred examples of XYZ include N—CO—NR 4A R 4B , N—COR 5 , CR 6 —CO—NR 4A R 4B , and CR 6 —NR 7 —COR 5 .
- Q is preferably a 6-membered heteroaryl containing 1 or 2 nitrogen atoms, wherein the heteroaryl is independently selected from the group consisting of fluorine, hydroxyl and C 1-6 alkoxy C 1-6 alkyl optionally substituted by a group; C 3-8 cycloalkyl or C 3-8 cycloalkoxy (the cycloalkyl and cycloalkoxy are fluorine, hydroxyl, C 1-6 alkyl and C 1 , respectively) -6 may be substituted with 1 to 5 substituents selected independently from the group consisting of alkoxy); fluorine, 1-independently selected from the group consisting of hydroxyl and C 1-6 alkoxy five C 1-6 alkoxy optionally substituted with a substituent; may be substituted with one to three substituents independently selected from the group consisting or halogen is exemplified It is.
- a 6-membered heteroaryl containing two nitrogen atoms (the heteroaryl is substituted with 1 to 5 substituents independently selected from the group consisting of fluorine and C 1-6 alkoxy) also C 1-6 alkyl; 1-5 fluorine may be substituted with C 3-8 cycloalkyl; C 3-8 cycloalkoxy; 1-5 good C 1 be substituted by fluorine -6alkoxy ; chlorine; or optionally substituted with 1 to 3 substituents independently selected from the group consisting of fluorine.
- pyrimidinyl (said pyrimidinyl, fluorine and C 1-6 1-5 amino C 1-6 optionally substituted by a substituent alkyl independently selected from the group consisting of alkoxy; 1-5 number of fluorine optionally substituted C 3-8 cycloalkyl; C 3-8 cycloalkoxy; the group consisting of or fluorine; 1-5 optionally substituted by fluorine C 1-6 alkoxy; chlorine And may be substituted with 1 to 3 substituents independently selected from the above.
- pyrimidinyl (the pyrimidinyl consists of C 1-6 alkyl optionally substituted with 1 to 5 fluorines; or C 1-6 alkoxy optionally substituted with 1 to 5 fluorines) And may be substituted with 1 to 3 substituents independently selected from the group).
- R 1 is preferably phenyl or monocyclic heteroaryl (the phenyl and monocyclic heteroaryl are each halogen, hydroxyl, C 1-6 alkyl optionally substituted with 1 to 5 fluorine, 1 to 5 And optionally substituted with 1 to 5 substituents independently selected from the group consisting of C 1-6 alkoxy optionally substituted with fluorine. More preferably, halogen, optionally substituted with 1-5 fluorine C 1-6 alkyl, independently from the group consisting of from one to five fluorines optionally substituted C 1-6 alkoxy And phenyl optionally substituted by 1 to 5 selected substituents.
- it is 1 to 5 substituents independently selected from the group consisting of fluorine, chlorine, C 1-6 alkyl optionally substituted with 1 to 3 fluorine and C 1-6 alkoxy.
- substituents independently selected from the group consisting of fluorine, chlorine, C 1-6 alkyl optionally substituted with 1 to 3 fluorine and C 1-6 alkoxy.
- Examples include optionally substituted phenyl.
- phenyl optionally substituted with 1 to 5 substituents independently selected from the group consisting of fluorine and C 1-6 alkoxy.
- R 2A and R 2B are preferably the same or different and are each a hydrogen atom; halogen; cyano; halogen, hydroxyl group, C 1-6 alkyl, C 3-10 cycloalkyl optionally substituted with 1 to 5 fluorines include C 1-6 alkoxy or 4-10 membered C 1-6 alkyl optionally substituted with 1 to 5 substituents selected independently from the group consisting of saturated heterocycle. More preferably, R 2A and R 2B are the same or different and include a hydrogen atom, halogen or cyano. More preferably, R 2A is halogen or cyano, and R 2B is a hydrogen atom. Most preferably, R 2A is chlorine or cyano, and R 2B is a hydrogen atom.
- R 3A , R 3B , R 3C , R 3D and R 6 are preferably the same or different and include a hydrogen atom, fluorine, hydroxyl group or C 1-6 alkyl. More preferably, a hydrogen atom is mentioned. Further, when any two of R 3A , R 3B , R 3C , R 3D and R 6 are the C 1-6 alkyl, the two alkyls are combined to separate from the ring to which the alkyl is bonded. The following rings are specifically mentioned. Here, the carbon on the newly formed ring may be substituted with 1 to 5 fluorines. More preferably include r 3 -1 and r 3 -2.
- R 4A , R 4B , R 5 and R 7 are preferably the same or different and are halogen, hydroxyl group, C 1-6 alkoxy, 4- to 10-membered saturated heterocycle, C 3-10 cycloalkyl and —NR 12 R C 1-6 alkyl optionally substituted with 1 to 5 substituents independently selected from the group consisting of 13 ; halogen, hydroxyl, C 1-6 alkoxy, C 1-6 alkyl and —NR 12 C 3-10 cycloalkyl optionally substituted with 1-5 substituents independently selected from the group consisting of R 13 ; 4-10 membered optionally substituted with C 1-6 alkyl A saturated heterocyclic ring; or a hydrogen atom.
- C 1-6 alkyl which may be substituted; C which may be substituted with 1 to 5 substituents independently selected from the group consisting of halogen, C 1-6 alkoxy, C 1-6 alkyl 3-10 cycloalkyl; or a hydrogen atom. More preferably, it may be the same or different and may be substituted with 1 to 5 substituents independently selected from the group consisting of fluorine, a 4- to 10-membered saturated heterocyclic ring and C 3-10 cycloalkyl.
- C 1-6 alkyl C 3-10 cycloalkyl optionally substituted with 1 to 5 substituents independently selected from the group consisting of fluorine, C 1-6 alkoxy and C 1-6 alkyl; Or a hydrogen atom is mentioned. Most preferably, it is the same or different and is C 1-6 alkyl optionally substituted with 1 to 5 substituents independently selected from the group consisting of fluorine and a 4- to 10-membered saturated heterocyclic ring; A C 3-10 cycloalkyl optionally substituted with 5 fluorines; or a hydrogen atom.
- R 8 to R 15 are preferably the same or different and include a hydrogen atom or C 1-6 alkyl. More preferred is C 1-6 alkyl.
- N may be 1 or 2, preferably 1.
- the pharmaceutically acceptable salt of the compound represented by the formula (I) means a salt formed of the compound of the formula (I) with a pharmaceutically acceptable acid or base.
- a pharmaceutically acceptable acid or base When the compound of the present invention represented by the formula (I) has a basic functional group such as an amino group, it can form salts with various acids.
- acid addition salts include hydrochloride, hydrobromide, hydroiodide, sulfate, perchlorate, phosphate and other inorganic acid salts, oxalate, malonate, maleate Acid, fumarate, lactate, malate, citrate, tartrate, benzoate, trifluoroacetate, acetate, methanesulfonate, p-toluenesulfonate, trifluoromethanesulfonate And organic acid salts such as glutamic acid salts and aspartic acid salts.
- the compound of the present invention represented by the formula (I) When the compound of the present invention represented by the formula (I) has an acidic functional group such as a carboxyl group, it can form salts with various bases.
- the pharmaceutically acceptable salt in this case include alkali metal salts such as sodium salt and potassium salt, alkaline earth metal salts such as calcium salt, and ammonium salt. These salts can be obtained by a conventional method such as recrystallization after mixing the compound of the present invention represented by formula (I) with a base.
- the method for producing the compound of the present invention is described below.
- the compound of the present invention represented by the formula (I) can be produced, for example, by the following production methods A to G.
- Production method A production method of synthetic intermediate A3 to a5 which are synthetic intermediates of the compound represented by the formula (I) can be produced, for example, by the following production method. (Wherein R 1 , R 3A to R 3D , R 6 , R 7 and n are as defined in item 1, P is an amino protecting group, and R is alkyl or phenyl)
- Compound a1 can be synthesized by a known method such as oxidation reaction of corresponding alcohol or ester reduction reaction, or can be purchased as a commercial product.
- Step A-1 This step is a step of obtaining compound a2 by reacting compound a1 with compound a6.
- the solvent used in this step is selected from the solvents exemplified below, and is preferably ethanol or tetrahydrofuran.
- the reaction temperature is preferably ⁇ 78 ° C. to 100 ° C.
- the reaction time is preferably several minutes to several days.
- the methods described in Heterocycles, 1994, Vol. 39, 139-154 are known and can be synthesized in the same manner.
- Step A-2 compound a3 can be obtained by reacting compound a2 obtained in step A-1 with compound a7.
- the solvent used in this step is selected from the solvents exemplified below, and is preferably xylene or toluene.
- the reaction temperature is preferably from room temperature to 150 ° C.
- the reaction time is preferably from several minutes to several days.
- the methods described in Heterocycles, 1994, Vol. 39, 139-154 are known and can be synthesized in the same manner.
- Step A-3 This step is a step of obtaining compound a4 by reacting compound a2 obtained in step A-1 with compound a8 under the same conditions as in step A-2.
- Step A-4 This step is a step of obtaining compound a5 by reacting compound a2 obtained in step A-1 with compound a9 under the same conditions as in step A-2.
- Production method B (Production method of synthetic intermediate) B2 to b4 which are synthetic intermediates of the compound represented by the formula (I) can be produced, for example, by the following production method.
- R 1 , R 2A , R 3A to R 3D , R 6 , R 7 and n are as defined in item 1
- P is an amino protecting group
- R is alkyl or phenyl.
- Compound b1 can be synthesized by a known method such as the corresponding alcohol oxidation reaction or ester reduction reaction, or can be purchased as a commercial product.
- Compound b5 can be synthesized by the method described in, for example, Tetrahedron. Lett. 1996, 37, 8113-8116, Organic Synthesis, 2000, 77, 198, or can be purchased as a commercial product.
- Step B-1 compound b2 can be obtained by reacting compound b1, compound a7 and compound b5 in the presence of a suitable base in a suitable solvent.
- the base used in this step is selected from the bases exemplified below, and is preferably potassium carbonate or piperazine.
- the solvent used in this step is selected from the solvents exemplified below, and preferably dimethylformamide or tetrahydrofuran.
- the reaction temperature is preferably ⁇ 78 ° C. to 150 ° C.
- the reaction time is preferably several minutes to several days.
- a similar reaction for example, a method described in J. Org. Chem. 2000, 65, 1516-1524 is known, and can be synthesized in the same manner.
- Step B-2 In this step, compound b3 is obtained by reacting compound b1 with compound a8 and compound b5 under the same conditions as in step B-1.
- Step B-3 In this step, compound b4 is obtained by reacting compound b1 with compound a9 and compound b5 under the same conditions as in step B-1.
- a compound represented by the formula [C1] [C2] [C3] in which XYZ is N—CO—NR 4A R 4B (hereinafter referred to as a compound C1, C2 and C3) can be produced, for example, by the following production method.
- R 1 , R 2A , R 3A to R 3D , R 4A , R 4B and n are as defined in item 1, and R and R x are a hydrogen atom, nitro, fluorine atom or trifluoro M represents methyl, R 2AX represents chlorine, bromine or iodine, and P represents an amino protecting group.
- Step C-1 This step is a step of obtaining a compound c1 by deprotecting the amino protecting group P of the compound a3 obtained by the production method A.
- This step can be carried out according to the method described in Protective Groups in Organic Synthesis (Theodora W. Greene, Peter G. M. Wuts, John Wiley & Sons, Inc., 1999).
- Step C-2 This step is a step of obtaining compound C1 by reacting compound c1 obtained in step C-1 with compound c3 or c4 in a suitable solvent in the presence of a suitable base.
- the base used in this step is selected from the bases exemplified below, and is preferably diisopropylethylamine or triethylamine.
- the solvent used in this step is selected from the solvents exemplified below, and is preferably tetrahydrofuran or methylene chloride.
- the reaction temperature is preferably ⁇ 78 ° C. to 100 ° C.
- the reaction time is preferably several minutes to several days. Similar reactions include, for example, J. Org. Chem.
- Step C-3 This step is a step of obtaining compound C2 by reacting compound C1 obtained in step C-2 with various halogenating agents in a suitable solvent in the presence of a suitable acid.
- the halogenating agent used in this step is preferably N-chlorosuccinimide, N-bromosuccinimide, or N-iodosuccinimide.
- the solvent used in this step is selected from the solvents exemplified below and preferably methylene chloride or dichloroethane.
- the acid used in this step is selected from the acids exemplified below, and preferably trifluoroacetic acid or hydrochloric acid. In this case, the reaction temperature is preferably ⁇ 78 ° C.
- reaction time is preferably several minutes to several days.
- the method described in Bioorg. Med. Chem. Lett. 2008, 18 (5), 1702-1707, J. Org. Chem. 2002, 67 (17), 5913-5918, etc. It is known and can be synthesized similarly.
- Step C-4 This step is a step of obtaining compound C3 by reacting compound C2 obtained in step C-3 with a suitable metal reagent in a suitable solvent.
- the reaction temperature is preferably ⁇ 78 ° C. to 150 ° C.
- the reaction time is preferably several minutes to several days.
- Similar reactions include, for example, Tetrahedron Lett. 2003, 44 (7), 1379-1382, J. Med. Chem. 2009, 52 (14), 4370-4379, Bioorg. Med. Chem. Lett. 2012, 20 (9 ), 3009-3015, J. Org. Chem. 2002, 67 (10), 3365-3373, Tetrahedron Lett. 2007, 48 (13), 2339-2343, etc. Can be synthesized.
- Step C-5 This step is a step of obtaining compound c2 by reacting compound b2 obtained by the above Production Method B under the conditions according to the above-mentioned Step C-1.
- Step C-6 This step is a step of obtaining a compound C3 by reacting the compound c2 obtained in the step C-5 with the compound c3 or c4 under the conditions according to the step C-2.
- Step D-1 compound d1 is obtained by reacting compound c1 obtained by production method C with compound d1 or d2 in the presence of a suitable base in the presence or absence of a suitable condensing agent and in the presence of a suitable base.
- the condensing agent used in this step is preferably EDCI (including hydrochloride) or HBTU.
- the base used in this step is selected from the bases exemplified below, and is preferably diisopropylethylamine or triethylamine.
- the solvent used in this step is selected from the solvents exemplified below, and preferably dimethylformamide, tetrahydrofuran or methylene chloride.
- the reaction temperature is preferably ⁇ 78 ° C. to 100 ° C.
- the reaction time is preferably several minutes to several days.
- Step D-2 This step is a step of obtaining compound D2 by reacting compound D1 obtained in step D-1 with the same conditions as in step C-3.
- Step D-3 This step is a step of obtaining compound D3 by reacting compound D2 obtained in step D-2 with the same conditions as in step C-4.
- Step D-4 This step is a step of obtaining compound D3 by reacting compound d1 or d2 with compound c2 obtained by production method C under the conditions according to the above step D-1.
- XYZ is represented by the formula [E1], [E2] or [E3] wherein CR 6 -NR 7 -COR 5 or CR 6 -NR 7 -Q
- the compound to be produced (hereinafter also referred to as compound E1, E2 or E3) can be produced, for example, by the following production method.
- Q, R 1 , R 2A , R 3A to R 3D , R 5 , R 6 , R 7 and n are as defined in item 1;
- R 2AX is chlorine, bromine or iodine;
- P is (Amino protecting group, LG means a leaving group such as halogen)
- Compound Q-LG is, for example, EP1333029 (A1), European Journal of Organic Chemistry, 6,1593-1598 (2006), US2004 / 2507 A1, 2004, Tetrahedron Letters, 46, 3977-3979 (2005), International Publication No. 2011. / 063272 Can be produced by the method described in the pamphlet or the like, or can be purchased as a commercial product.
- Step E-1 This step is a step of obtaining a compound e1 by reacting the compound a4 obtained by the production method A under the conditions according to the above-mentioned step C-3.
- Step E-2 This step is a step of obtaining a compound e2 by reacting the compound e1 obtained in the step E-1 with the conditions according to the step C-1.
- Step E-3 This step is a step of obtaining a compound E1 by reacting the compound e2 obtained in the step E-2 with the compound d1 or d2 under the conditions according to the step D-1.
- Step E-4 This step is a step of obtaining a compound E2 by reacting the compound E1 obtained in the step E-3 with the conditions according to the step C-4.
- Step E-5 This step is a step of obtaining a compound e3 by reacting the compound b3 obtained by the production method B with the conditions according to the above-mentioned step C-1.
- Step E-6 This step is a step of obtaining a compound E2 by reacting the compound e3 obtained in the step E-5 with the compound d1 or d2 under the conditions according to the step D-1.
- Step E-7 In this step, compound e2 obtained in step E-2 is coupled with compound Q-LG in the presence or absence of a catalyst, in the presence of a base, in the absence of a solvent, or in a suitable solvent to obtain compound E3. It is a process.
- the catalyst include those supported on a carrier such as a transition metal such as palladium, a salt thereof, a complex thereof, or a polymer.
- the base used in this step is selected from the bases exemplified below, and preferably includes diisopropylethylamine, triethylamine, or potassium carbonate.
- the solvent used in this step should be selected according to the type of raw material compound and the like.
- examples include dimethyl ether, methylene chloride, ethyl acetate, acetone, acetonitrile, or water.
- Each of these solvents can be used alone or as a mixed solvent of two or more.
- the reaction temperature is preferably from room temperature to 200 ° C.
- the reaction time is preferably from several minutes to several days, and the reaction can be carried out under microwave irradiation.
- Step E-8 This step is a step of obtaining compound E3 by reacting compound e3 obtained in step E-5 with compound Q-LG under the same conditions as in step E-7.
- XYZ is CR 6 —CO—NR 4A R 4B represented by the formula [F1] [F2] (hereinafter referred to as the compounds F1 and F2)
- R 1 , R 2A , R 3A to R 3D , R 4A , R 4B , R 6 and n are as defined in item 1
- R 2AX is chlorine, bromine or iodine
- R is alkyl
- Step F-1 This step is a step of obtaining a compound f1 by reacting the compound a5 obtained by the production method A under the conditions according to the above-mentioned step C-3.
- Step F-2 This step is a step of converting the ester compound f1 obtained in the step F-1 to the corresponding carboxylic acid compound f2.
- This step can be carried out according to the method described in Protective Groups in Organic Synthesis (Theodora W. Greene, Peter G. M. Wuts, John Wiley & Sons, Inc., 1999).
- Step F-3 This step is a step of obtaining compound F1 by reacting compound f2 obtained in step F-2 with compound f4 in a suitable solvent in the presence of a suitable condensing agent and a suitable base.
- the condensing agent used in this step is preferably EDCI (including hydrochloride) or HBTU.
- the base used in this step is selected from the bases exemplified below, and is preferably diisopropylethylamine or triethylamine.
- the solvent used in this step is selected from the solvents exemplified below, and preferably dimethylformamide, tetrahydrofuran or methylene chloride.
- the reaction temperature is preferably ⁇ 78 ° C. to 100 ° C.
- the reaction time is preferably several minutes to several days.
- Step F-4 This step is a step of obtaining compound F2 by reacting compound F1 obtained in step F-3 with the same conditions as in step C-4.
- Step F-5 This step is a step for obtaining a compound f3 by reacting the compound b4 obtained by the production method B with the conditions according to the above-mentioned step F-2.
- Step F-6 This step is a step of obtaining compound F2 by reacting compound f3 obtained in step F-5 with compound f4 under the same conditions as in step F-3.
- XYZ is CR 6 —NR 7 —CONR 4A R 4B
- a compound represented by formula [G1] or [G2] (hereinafter referred to as compound G1 or G2) Can also be produced, for example, by the following production method.
- R 1 , R 2A , R 3A to R 3D , R 4A , R 4B , R 6 , R 7 and n are as defined in item 1;
- R and R x are a hydrogen atom, nitro Represents a fluorine atom or trifluoromethyl, and R 2AX means chlorine, bromine or iodine.
- Step G-1 This step is a step of obtaining a compound G1 by reacting the compound e2 obtained by the production method E with the compound c3 or c4 under the conditions according to the above step C-2.
- Step G-2 This step is a step of obtaining compound G2 by reacting compound G1 obtained in step G-1 with the same conditions as in step C-4.
- Step G-3 This step is a step of obtaining a compound G2 by reacting the compound e3 obtained by the production method E with the compound c3 or c4 under the conditions according to the above step C-2.
- the compound of formula (I) having a substituent other than a hydrogen atom on R 2B can be obtained by subjecting the imidazole derivative produced by Production Methods A to G where R 2B is a hydrogen atom to a normal nucleophilic substitution reaction or the like. Can be manufactured.
- alkali bicarbonates such as sodium bicarbonate and potassium bicarbonate, sodium carbonate and potassium carbonate
- Alkali carbonates such as sodium hydride, metal hydrides such as sodium hydride and potassium hydride, alkali metal hydroxides such as sodium hydroxide and potassium hydroxide, alkali metals such as sodium methoxide and sodium t-butoxide Alkoxides, organometallic bases such as butyllithium and lithium diisopropylamide, triethylamine, diisopropylethylamine, pyridine, 4-dimethylaminopyridine (DMAP), 1,8-diazabicyclo [5.4.0] -7-undecene ( Organic bases such as DBU) That.
- DMAP 4-dimethylaminopyridine
- DBU 1,8-diazabicyclo [5.4.0] -7-undecene
- the solvent used in each of the above steps should be appropriately selected depending on the reaction and the type of raw material compound.
- alcohols such as methanol, ethanol and isopropanol
- ketones such as acetone and methyl ketone
- Halogenated hydrocarbons such as methylene and chloroform
- ethers such as tetrahydrofuran (THF) and dioxane
- aromatic hydrocarbons such as toluene and benzene
- aliphatic hydrocarbons such as hexane and heptane
- ethyl acetate Esters such as propyl acetate
- amides such as N, N-dimethylformamide (DMF), N-methyl-2-pyrrolidone
- sulfoxides such as dimethyl sulfoxide (DMSO)
- nitriles such as acetonitrile.
- the compound of the present invention represented by the formula (I) or an intermediate thereof can be separated and purified by methods known to those skilled in the art.
- extraction, distribution, reprecipitation, column chromatography (for example, silica gel column chromatography, ion exchange column chromatography or preparative liquid chromatography) or recrystallization may be mentioned.
- the recrystallization solvent include alcohol solvents such as methanol, ethanol and 2-propanol, ether solvents such as diethyl ether, ester solvents such as ethyl acetate, aromatic hydrocarbon solvents such as benzene and toluene, acetone and the like.
- a halogen solvent such as dichloromethane or chloroform
- a hydrocarbon solvent such as hexane
- an aprotic solvent such as dimethylformamide or acetonitrile
- water or a mixed solvent thereof.
- the molecular structure of the compound of the present invention is determined by referring to the structure derived from each raw material compound, spectroscopic techniques such as nuclear magnetic resonance, infrared absorption, and circular two-spectrum analysis, and mass. It can be easily done by analytical methods.
- the compound of the present invention represented by the formula (I) or a pharmaceutically acceptable salt thereof may have an asymmetry or may have a substituent having an asymmetric carbon.
- Has optical isomers The compounds of the present invention include mixtures of these isomers and isolated ones, which can be produced according to ordinary methods. Examples of the production method include a method using a raw material having an asymmetric point, or a method of introducing asymmetry at an intermediate stage. For example, in the case of optical isomers, optical isomers can be obtained by using optically active raw materials or by performing optical resolution at an appropriate stage of the production process.
- the solvent is an inert solvent (for example, an alcohol solvent such as methanol, ethanol or 2-propanol).
- An ether solvent such as diethyl ether, an ester solvent such as ethyl acetate, a hydrocarbon solvent such as toluene, an aprotic solvent such as acetonitrile, or a mixed solvent thereof), an optically active acid (for example, mandelic acid, N-benzyloxyalanine or monocarboxylic acid such as lactic acid, tartaric acid, dicarboxylic acid such as o-diisopropylidenetartaric acid or malic acid, sulfonic acid such as camphorsulfonic acid or bromocamphorsulfonic acid) Stereomer method can be mentioned.
- an optically active amine for example, 1-phenylethylamine, quinine, quinidine, cinchonidine, cinchonine, strychnine, etc.
- the optical resolution can also be carried out by forming a salt using an organic amine).
- the temperature for forming the salt is selected from the range from ⁇ 50 ° C. to the boiling point of the solvent, more preferably from the range from room temperature to the boiling point of the solvent. In order to improve the optical purity, it is desirable to raise the temperature once to near the boiling point of the solvent. When the precipitated salt is collected by filtration, it can be cooled as necessary to improve the yield.
- the amount of the optically active acid or amine used is suitably in the range of about 0.5 to about 2.0 equivalents, preferably in the range of about 1 equivalent, relative to the substrate.
- Crystals in an inert solvent as necessary for example, alcohol solvents such as methanol, ethanol or 2-propanol, ether solvents such as diethyl ether, ester solvents such as ethyl acetate, hydrocarbon solvents such as toluene, acetonitrile, etc.
- an optically resolved salt can be treated with an acid or a base by a conventional method to obtain a free form.
- optical resolution is achieved by forming an amide using an optically active amine (for example, 1-phenylethylamine). Can also be done.
- an optically active amine for example, 1-phenylethylamine
- the compound of the present invention is a disease caused by abnormal intracellular signaling involving acetylcholine, specifically, CIAS (cognitive impairment associated with schizophrenia), Alzheimer's disease, Down's syndrome, cognitive impairment, mild cognitive impairment, It can be a novel therapeutic agent and / or preventive agent such as memory disorder / learning disorder, attention deficit / hyperactivity disorder, or cerebrovascular angiopathy.
- CIAS cognitive impairment associated with schizophrenia
- the compounds of the present invention can also be novel therapeutic agents for nervous system diseases, psychiatric diseases, and inflammatory diseases such as senile dementia, attention deficit disorder, Alzheimer's disease, and schizophrenia.
- the administration route of the compound of the present invention may be any of oral administration, parenteral administration and rectal administration, and the daily dose varies depending on the type of compound, administration method, patient symptom / age and the like.
- oral administration usually about 0.01 to 1000 mg, more preferably about 0.1 to 500 mg per kg body weight of a human or mammal can be administered in 1 to several divided doses.
- parenteral administration such as intravenous injection, usually, for example, about 0.01 mg to 300 mg, more preferably about 1 mg to 100 mg per kg body weight of a human or mammal can be administered.
- “treatment” includes prophylactic administration.
- Examples of the dosage form include tablets, capsules, granules, powders, syrups, suspensions, injections, suppositories, eye drops, ointments, coatings, patches, inhalants and the like.
- These preparations can be prepared according to a conventional method. In the case of a liquid preparation, it may be dissolved or suspended in water, an appropriate aqueous solution or other appropriate medium at the time of use. Tablets and granules may be coated by a known method. In addition, these formulations may contain other therapeutically valuable ingredients.
- the compound of the present invention can be used in combination with an atypical antipsychotic drug.
- atypical antipsychotics include olanzapine, risperidone, paliperidone, quetiapine, ziprasidone, aripiprazole, asenapine, iloperidone, clozapine, sertindole, blonanserin and lurasidone.
- Me means a methyl group
- Et means an ethyl group
- Ph means a phenyl group
- Ts means a tosyl group.
- TFA means trifluoroacetic acid.
- s is a single line
- d is a double line
- dd is a double double line
- t is a triple line
- td is a triple double line
- q is a quadruple line
- m is Multiple lines
- br means broad
- brs means broad single line
- brd means broad double line
- brt means broad triple line
- J means coupling constant.
- High-performance liquid chromatographic mass spectrometer The measurement conditions of LCMS are as follows, and the observed mass spectrometry value [MS (m / z)] is represented by MH +, and the retention time is represented by Rt (min, min). In each actual measurement value, measurement conditions used for the measurement are denoted by A to G.
- Measurement condition D Detection equipment: Shimadzu, LC: 20A, MS: 2010 Column: Xtimate C18 2.1 * 30 mm, 3 ⁇ m Solvent: Liquid A: 1.5 mL / 4L TFA / H 2 O, Liquid B: 0.75 mL / 4L TFA / MeCN Gradient Condition: Using the elution gradient 10% -80% (solvent B) over 2.2 minutes and holding at 80% for 0.3 minutes Flow rate: 0.8 mL / min UV: 220 nm
- Measurement condition F Detection equipment: Shimadzu, LC: 20A, MS: 2010 Column: Xtimate C18 2.1 * 30 mm, 3 ⁇ m Solvent: A solution: 1.5 mL / 4 L TFA / H 2 O, B solution: 0.75 mL / 4 L TFA / MeCN Gradient Condition: Using the elution gradient 0% -60% (solvent B) over 2.2 minutes and holding at 60% for 0.3 minutes Flow rate: 0.8 mL / min UV: 220 nm
- Reference example 1 tert-Butyl 4- [4- (3-fluorophenyl) -1H-imidazol-1-yl] piperidine-1-carboxylate (Reference Example 1) a) Preparation of 5- (3-fluorophenyl) -4-[(4-methylphenyl) sulfonyl] -4,5-dihydro-1,3-oxazole (compound cmp-1) 3-Fluorobenzaldehyde (6.68 g) After adding p-toluenesulfonylmethyl isocyanide (10 g) to a solution of ethanol in ethanol (200 ml) and tetrahydrofuran (60 ml) at room temperature, sodium cyanide (252 mg) dissolved in a small amount of water was added dropwise.
- Reference example 2 4- (5-Bromo-4-phenyl-1H-imidazol-1-yl) piperidine (Reference Example 2) To a methylene chloride solution (10 ml) of tert-butyl 4- (4-phenyl-1H-imidazol-1-yl) piperidine-1-carboxylate (1 g) obtained in the same manner as in Reference Example 1 at room temperature. After adding N-bromosuccinimide (816 mg) and trifluoroacetic acid (1.18 ml), the mixture was heated to reflux at 50 ° C. for 3 hours. The reaction solution was quenched by adding a saturated aqueous sodium hydrogen carbonate solution under ice cooling, and then extracted with chloroform.
- Reference example 4 tert-Butyl 4- (5-fluoro-4-phenyl-1H-imidazol-1-yl) piperidine-1-carboxylate (Reference Example 4)
- a tetrahydrofuran solution (5 ml) of tert-butyl 4- (4-phenyl-1H-imidazol-1-yl) piperidine-1-carboxylate (250 mg) obtained by the same method as in Reference Example 1 was brought to -78 ° C. After cooling, an n-butyllithium / hexane solution (2.69 mol / l: 0.30 ml) was added, and the mixture was stirred at ⁇ 78 ° C. for 20 minutes.
- a tetrahydrofuran solution (5 ml) of tert-butyldimethylchlorosilane (121 mg) was added dropwise at ⁇ 78 ° C., and then the mixture was warmed to room temperature and stirred for 4 hours. After cooling to ⁇ 78 ° C. again, an n-butyllithium / hexane solution (2.69 mol / l: 0.30 ml) was added, and the mixture was stirred at ⁇ 78 ° C. for 1 hour.
- Reference Example 5 tert-Butyl 4- (2-fluoro-4-phenyl-1H-imidazol-1-yl) piperidine-1-carboxylate (Reference Example 5)
- a tetrahydrofuran solution (5 ml) of tert-butyl 4- (4-phenyl-1H-imidazol-1-yl) piperidine-1-carboxylate (160 mg) obtained by the same method as in Reference Example 1 was brought to -78 ° C. After cooling, an n-butyllithium / hexane solution (2.69 mol / l: 0.19 ml) was added, and the mixture was stirred at -78 ° C for 30 minutes.
- Reference Example 6 Cis-4- (4-Phenyl-1H-imidazol-1-yl) cyclohexanecarboxylic acid (Reference Example 6) To a methanol / tetrahydrofuran solution (2.5 ml / 5 ml) of methyl cis-4- (4-phenyl-1H-imidazol-1-yl) cyclohexanecarboxylate (280 mg) obtained by the same method as in Reference Example 1 at room temperature. After adding 2 mol / l aqueous sodium hydroxide solution (2.5 ml), the mixture was stirred at room temperature for 3 hours.
- Example 1 N-cyclohexyl-4- [4- (3-fluorophenyl) -1H-imidazol-1-yl] piperidine-1-carboxamide
- Example 1 a) Preparation of 4- [4- (3-fluorophenyl) -1H-imidazol-1-yl] piperidine hydrochloride (Compound cmp-3) To Reference Example 1 (5.63 g), 4 mol / L hydrogen chloride at room temperature / Ethyl acetate solution (50 ml) was added and stirred at room temperature for 30 minutes. The reaction solution was distilled off under reduced pressure to obtain compound cmp-3 (4.06 g). LCMS; [M + H] + / Rt (min): Measurement conditions (246 / 0.18: A)
- Example 2 N- (bicyclo [2.2.1] hept-2-yl) -4- [4- (3-fluorophenyl) -1H-imidazol-1-yl] piperidine-1-carboxamide (Example 2)
- Triphosgene (27 mg) and triethylamine (0.064 ml) were added to a solution of exo-2-aminonorbornene (0.027 ml) in tetrahydrofuran (0.5 ml) under ice cooling, and the mixture was stirred for 1 hour under ice cooling.
- Example 3 4- [4- (3-Fluorophenyl) -1H-imidazol-1-yl] -N- [trans-4- (trifluoromethyl) cyclohexyl] piperidine-1-carboxamide (Example 3)
- Diphenylphosphoric acid azide (0.137 ml) and triethylamine (0.096 ml) were added to a toluene (5 ml) solution of trans-4-trifluoromethylcyclohexanecarboxylic acid (0.045 ml), and the mixture was stirred with heating at 95 ° C. for 3 hours.
- Example 4 N- (trans-4-methoxycyclohexyl) -4- ⁇ 4- [4- (trifluoromethyl) phenyl] -1H-imidazol-1-yl ⁇ piperidine-1-carboxamide (Example 4)
- diisopropylethylamine (0.47 ml) and phenyl (trans-4-methoxycyclohexyl) carbamate 136 mg
- Example 5 N-tert-butyl-4- [5-chloro-4- (3-fluorophenyl) -1H-imidazol-1-yl] piperidine-1-carboxamide (Example 5) N-tert-butyl-4- [4- (3-fluorophenyl) -1H-imidazol-1-yl] piperidine-1-carboxamide (48 mg) obtained in the same manner as in Example 1 in methylene chloride solution (48 mg) 3 ml), N-chlorosuccinimide (29 mg) and trifluoroacetic acid (0.06 ml) were added at room temperature, and the mixture was heated to reflux at 50 ° C. for 40 hours.
- reaction solution was quenched by adding a saturated aqueous sodium hydrogen carbonate solution under ice cooling, and then extracted with chloroform.
- Example 6 [4- (4-Phenyl-1H-imidazol-1-yl) piperidin-1-yl] (4,4-difluorocyclohexyl) methanone (Example 6)
- 4- (4-phenyl-1H-imidazol-1-yl) piperidine hydrochloride 300 mg obtained by the same method as in Reference Example 1 and Example 1a) at room temperature.
- 4,4-Difluorocyclohexylcarboxylic acid (246 mg), diisopropylethylamine (0.87 ml) and HBTU (569 mg) were added, and the mixture was stirred at room temperature for 5 hours.
- Example 7 1- ⁇ 1-[(4,4-Difluorocyclohexyl) carbonyl] piperidin-4-yl ⁇ -4-phenyl-1H-imidazole-5-carbonitrile (Example 7) N-iodosuccinimide (391 mg) and trifluoroacetic acid (0.52 ml) were added to a methylene chloride solution (12 ml) of Example 6 (370 mg) at room temperature, and the mixture was stirred at room temperature for 18 hours under light shielding. The reaction solution was quenched by adding an aqueous sodium thiosulfate solution, and extracted with chloroform.
- Example 8 2-Fluoro-N- ⁇ cis-4- [4- (4-fluorophenyl) -1H-imidazol-1-yl] cyclohexyl ⁇ -2-methylpropanamide
- Example 8 A solution of tert-butyl ⁇ cis-4- [4- (4-fluorophenyl) -1H-imidazol-1-yl] cyclohexyl ⁇ carbamate (2.89 g) obtained in the same manner as in Reference Example 1 (20 ml) After adding a 4 mol / L hydrogen chloride / dioxane solution (5 ml) at room temperature, the mixture was stirred at room temperature for 5 hours.
- Examples 10 to 137 The compounds shown in Table 1 were obtained by the methods according to Reference Examples 1 to 5 and Examples 1 to 5 or 7 using the corresponding starting compounds.
- Examples 138-160 The compounds shown in Table 2 were obtained by the method according to Reference Example 1 or 3 and Examples 5 to 7 using the corresponding starting compounds.
- Examples 161-203 The compounds shown in Table 3 were obtained by a method according to Reference Example 1 or 5 and Example 5, 7 or 8 using the corresponding starting material compound.
- Examples 204-207 The compounds shown in Table 4 were obtained by the method according to Reference Example 1 and Example 5 or 8 using the corresponding starting compounds.
- Examples 208-230 The compounds shown in Table 5 were obtained by the method according to Reference Example 1 or 6 and Example 5, 7 or 9 using the corresponding starting compound.
- Examples 231 to 234 The compounds shown in Table 6 were obtained by the method according to Reference Example 1 or 6 and Example 5 or 9 using the corresponding starting compound.
- Example 235 N- [cis-4- (4-Phenyl-1H-imidazol-1-yl) cyclohexyl] -6- (trifluoromethyl) pyrimidin-4-amine (Example 235)
- Reference Example 1 cis-4- (4-phenyl-1H-imidazol-1-yl) cyclohexaneamine hydrochloride (55 mg) and diisopropylethylamine (122 ⁇ l) NMP (2 ml) obtained by the same method as in Example 1a) 4-Chloro-6-trifluoromethylpyrimidine (35 mg) was added to the solution, and the mixture was stirred at 50 ° C. for 4 hr.
- Examples 236 to 239 The compounds shown in Table 7 were obtained by the method according to Example 235 using the corresponding starting compounds.
- Examples 240 and 241 The compounds shown in Table 8 were obtained by the method according to Reference Example 1 and Examples 1 to 5 using the corresponding starting compounds.
- Examples 242 to 243 The compounds shown in Table 9 were obtained by the method according to Reference Example 1 and Example 5 or 6 using the corresponding starting compounds.
- Examples 260-276 Using corresponding raw material compounds, the compounds shown in Table 11 were obtained by the method according to Reference Example 1 or 3 and Examples 5 to 7.
- Examples 277-354 The compounds shown in Table 12 were obtained by the method according to Reference Example 1 and Example 5, 7 or 8 using the corresponding starting compounds.
- Examples 355 to 381 The compounds shown in Table 13 were obtained by a method according to Reference Example 1 or 6 and Example 5, 7 or 9 using the corresponding starting compound.
- Examples 382-404 The compounds shown in Table 14 were obtained by the methods according to Reference Examples 1 to 5 and Examples 1 to 5 or 7 using the corresponding starting compounds.
- Examples 405-424 The compounds shown in Table 15 were obtained by the methods according to Reference Examples 1 to 5 and Examples 1 to 5 or 7 using the corresponding starting compounds.
- Examples 425 to 445 The compounds shown in Table 16 were obtained by the method according to Reference Example 1 or 3 and Examples 5 to 7 using the corresponding starting compounds.
- Test Example 1 PAM activity evaluation using human ⁇ 7 nACh receptor stable expression cells
- Human ⁇ 7 nAChR stable expression cells Human ⁇ 7 nAChR stable expression cells were prepared and subjected to culture. Specifically, rat pituitary-derived GH4C1 cells (cat # CCL-82.2, ATCC, USA) were used as host cells.
- Aequorin by introducing pcDNA3.1Zeo vector into which the nucleotide sequence encoding the protein of GenBank BAC81731 was inserted and pcDNA3.1 vector (cat # V790-20, invitrogen, Carlsbad, CA, USA) into which the human ⁇ 7 nAChR gene was inserted Then, human ⁇ 7 nAChR stably expressing cells were obtained.
- Zeocin catalog # R25001, invitrogen, Carlsbad, CA, USA
- Geneticin catalog # 10131-027, invitrogen, Carlsbad, CA, USA
- Medium includes 2.5% fetal bovine serum (cat # 2917354, ICN Biomedicals, Inc, USA), 15% inactivated horse serum (cat # 26050-088, Invitrogen, Carlsbad, CA, USA), 1 ⁇ g / mL Geneticin, Using F-10TypeNutrient Mixture (Ham) medium (cat # 11550-043, invitrogen, Carlsbad, CA, USA) containing 5 ⁇ g / mL Puromycin (cat # 14861-84, invitrogen, Carlsbad, CA, USA), collagen Type1 Cultivation was performed in a coat dish (cat # 4030-010, iwaki, Tokyo, Japan). During the culture, the medium was changed every 2-3 days, and the cells were collected by TrypLE®Express (cat # cat45604-021, invitrogen, Carlsbad, CA, USA) treatment every 7 days and subcultured.
- Viviren (cat # E649X, Promega, Madison, WI, USA) was added to a final concentration of 4 ⁇ M (15 ⁇ L / well), and the mixture was allowed to stand for 4 hours at room temperature in the dark after centrifugation.
- test compound A DMSO solution having a concentration 1000 times the final concentration was prepared as a test compound, and this solution was added to Hanks / 20 mM HEPES / 0.2% BSA (cat # A3803, Sigma, St. Louis, MO, USA). The final concentration was adjusted to 6 times the final concentration.
- PAM activity evaluation FDSS7000 (Hamamatsu Photonics) was used for the detection of the luminescent signal by ⁇ 7 nAChR stimulation. Test compounds were added to the plates to which cells and luminescent substrate had been added, and ACh at a concentration indicating EC 20 was added alone after 150 seconds. The luminescence signal (center wavelength: 465 nm) was measured for 138 seconds after the addition of ACh to calculate RLU (Max-Min), and the ratio of RLU (Max-Min) between the control well and the test compound added well was defined as PAM activity. .
- the ⁇ 7 PAM activity data for representative compounds is shown in Tables 18-25.
- the compound of the present invention had ⁇ 7 nAChR PAM activity in the PAM activity evaluation test.
- Examples 18, 19, 22, 25, 72, 73, 85, 93, 98, 99, 118, 218, 230, 362, 363, 380, 391 and 416 showed stronger PAM activity.
- Test Example 2 Evaluation of cognitive function using mouse novel object recognition test (hereinafter referred to as mORT)
- mORT mouse novel object recognition test
- Slc ddY mice
- test the second trial
- the compound of the present invention was administered before the first trial, and the memory enhancing action in the second trial was evaluated.
- Examples 1, 183, 280, 370 and 452 were confirmed to have a significant memory enhancing action at 3 mg / kg (oral).
- Test Example 3 Evaluation of improvement of cognitive impairment using rat Y-shaped maze test (hereinafter referred to as Y-maze test)
- Y-maze test In a Y-shaped maze test using 280-300 g Slc: Wistar rats (male, SLC), memory impairment was caused by subcutaneous administration of 0.6 mg / kg Scopolamine HBr (cat # S0929, Sigma Aldrich, Japan)
- the compound of the present invention is pretreated and the memory impairment improving action is evaluated.
- the compounds of Examples 1 and 183 significantly improved memory impairment at 3 mg / kg (oral).
- the derivative represented by the formula (I), or a pharmaceutically acceptable salt thereof has a strong ⁇ 7 nicotinic acetylcholine receptor ( ⁇ 7ACnAChR) modulating action, and the central nervous system ( CNS) and / or peripheral nervous system (PNS) cholinergic diseases, smooth muscle contraction diseases, endocrine diseases, neurodegenerative diseases, diseases such as inflammation or pain, and withdrawal symptoms caused by addictive drug abuse Useful for treatment of diseases and the like.
- ⁇ 7ACnAChR ⁇ 7 nicotinic acetylcholine receptor
- CNS central nervous system
- PNS peripheral nervous system
Abstract
Description
なお、本願と関連する出願として、国際公開第2012/133509号及び国際公開第2012/176763号が、本願発明の化合物とは異なる構造の類似化合物を既に公開しているが、これらは本願の優先権主張の基礎となる先の出願の出願後に公開されたものであり、先行技術文献ではない。
X-Y-Zは、N-CO-NR4AR4B、N-COR5、CR6-CO-NR4AR4B、CR6-NR7-COR5、CR6-NR7-CONR4AR4B又はCR6-NR7-Qを表し、
R1は、フェニル又はヘテロアリール(該フェニル及び該ヘテロアリールは、それぞれハロゲン、水酸基、1から5個のフッ素で置換されていてもよいC1-6アルキル、1から5個のフッ素で置換されていてもよいC1-6アルコキシ、シアノ、-NR8R9、-COOR8、-CONR8R9及び-NR8COR9からなる群から独立して選択される1~5個の置換基で置換されていてもよい)を表し、
R2A及びR2Bは、同一又は異なって、水素原子;ハロゲン;シアノ;-COOR10;-CONR10R11;-NR10R11;-NR10COR11;ハロゲン、水酸基、C1-6アルキル、1から5個のフッ素で置換されていてもよいC3-10シクロアルキル、C1-6アルコキシ、4~10員の飽和複素環、シアノ、-NR10R11、-COOR10、-CONR10R11及び-NR10COR11からなる群から独立して選択される1~5個の置換基で置換されていてもよいC1-6アルキル;又はハロゲン、水酸基、C1-6アルキル、C1-6アルコキシ、シアノ、-NR10R11、-COOR10、-CONR10R11及び-NR10COR11からなる群から独立して選択される1~5個の置換基で置換されていてもよいC3-10シクロアルキルを表し、ここにおいて、X-Y-ZがN-CO-NHEtであって、n=1のとき、R2Aは、上記置換基で置換されていてもよいC1-4アルキルであり、
R3A、R3B、R3C、R3D及びR6は、同一又は異なって、水素原子;フッ素;水酸基;1から5個のフッ素で置換されていてもよいC1-6アルコキシ;又は1から5個のフッ素で置換されていてもよいC1-6アルキルを表し、ここにおいて、R3A、R3B、R3C、R3D及びR6のいずれかの2つが1から5個のフッ素で置換されていてもよいC1-6アルキルのとき、2個のアルキルが一緒になって該アルキルが結合している環と別の環を形成していてもよく、
R4A、R4B、R5及びR7は、同一又は異なって、アリール若しくはヘテロアリール(該アリール及び該ヘテロアリールは、ハロゲン、水酸基、1から5個のフッ素で置換されていてもよいC1-6アルキル及び1から5個のフッ素で置換されていてもよいC1-6アルコキシからなる群から独立して選択される1~5個の置換基で置換されていてもよい)、ハロゲン、水酸基、C1-6アルコキシ、4~10員の飽和複素環、C3-10シクロアルキル及び-NR12R13からなる群から独立して選択される1~5個の置換基で置換されていてもよいC1-6アルキル;アリール若しくはヘテロアリール(該アリール及び該ヘテロアリールは、ハロゲン、水酸基、1から5個のフッ素で置換されていてもよいC1-6アルキル及び1から5個のフッ素で置換されていてもよいC1-6アルコキシからなる群から独立して選択される1~5個の置換基で置換されていてもよい)、ハロゲン、水酸基、C1-6アルコキシ、C1-6アルキル及び-NR12R13からなる群から独立して選択される1~5個の置換基で置換されていてもよいC3-10シクロアルキル;C1-6アルキルで置換されていてもよい4~10員の飽和複素環;アリール若しくはヘテロアリール(該アリール及び該ヘテロアリールは、それぞれハロゲン、1~5個のフッ素で置換されていてもよいC1-6アルキル及び1~5個のフッ素で置換されていてもよいC1-6アルコキシからなる群から独立して選択される1~5個の置換基で置換されていてもよい);又は水素原子を表し、ただし、R5は水素原子ではなく、R4A及びR4Bは同時に水素原子ではなく、ここにおいて、R4A及びR4Bが共にC1-6アルキルのとき、一緒になってフッ素、C1-6アルキル及びC1-6アルコキシからなる群から独立して選択される1~5個の置換基で置換されていてもよい4~10員の含窒素飽和複素環を形成していてもよく、
Qは、窒素原子を1つ又は2つ含む6員環ヘテロアリール[該ヘテロアリールは、フッ素、水酸基、C1-6アルコキシ、C3-6シクロアルキル、-NR10R11、-CONR10R11及び-NR10COR11からなる群から独立して選択される1~5個の置換基で置換されていてもよいC1-6アルキル;C3-10シクロアルキル、C3-10シクロアルコキシ若しくは4~10員の飽和複素環(該シクロアルキル、該シクロアルコキシ及び該飽和複素環は、それぞれフッ素、水酸基、C1-6アルキル、C1-6アルコキシ、-NR14R15、-CONR14R15及び-NR14COR15からなる群から独立して選択される1~5個の置換基で置換されていてもよい);フッ素、水酸基、C1-6アルコキシ、-NR14R15、-CONR14R15及び-NR14COR15からなる群から独立して選択される1~5個の置換基で置換されていてもよいC1-6アルコキシ;ハロゲン;シアノ;-CONR14R15;-NR14COR15;又は-NR14R15からなる群から独立して選択される1~3個の置換基で置換されていてもよい]を表し、
R8~R15は、同一又は異なって、また複数存在する場合にはそれぞれ独立して、水素原子又は1~5個のフッ素で置換されていてもよいC1-6アルキルを表し、ここにおいて、R8及びR9、R10及びR11、R12及びR13又はR14及びR15の各組は、(1)一方が水素原子のときは、もう一方が水素原子ではなく、かつ、(2)共に該C1-6アルキルであるとき、それぞれ一緒になって4~10員の含窒素飽和複素環を形成していてもよく、
nは、1又は2を表す]
で表される化合物又はその製薬学的に許容される塩。
X-Y-Zは、N-CO-NR4AR4B、N-COR5、CR6-CO-NR4AR4B、CR6-NR7-COR5、CR6-NR7-CONR4AR4B又はCR6-NR7-Qであり、
R1は、フェニル又は単環ヘテロアリール(該フェニル及び該単環ヘテロアリールは、それぞれハロゲン、水酸基、1から5個のフッ素で置換されていてもよいC1-6アルキル、1から5個のフッ素で置換されていてもよいC1-6アルコキシ、シアノ、-NR8R9、-COOR8、-CONR8R9及び-NR8COR9からなる群から独立して選択される1~5個の置換基で置換されていてもよい)であり、
R2A及びR2Bは、同一又は異なって、水素原子;ハロゲン;シアノ;-COOR10;-CONR10R11;-NR10R11;-NR10COR11;ハロゲン、水酸基、C1-6アルキル、1から5個のフッ素で置換されていてもよいC3-10シクロアルキル、C1-6アルコキシ、4~10員の飽和複素環、シアノ、-NR10R11、-COOR10、-CONR10R11及び-NR10COR11からなる群から独立して選択される1~5個の置換基で置換されていてもよいC1-6アルキル;又はハロゲン、水酸基、C1-6アルキル、C1-6アルコキシ、シアノ、-NR10R11、-COOR10、-CONR10R11及び-NR10COR11からなる群から独立して選択される1~5個の置換基で置換されていてもよいC3-10シクロアルキルを表し、ここにおいて、X-Y-ZがN-CO-NHEtであって、n=1のとき、R2Aは、水素原子;ハロゲン;シアノ:又は上記置換基で置換されていてもよいC1-4アルキルであり、
R3A、R3B、R3C、R3D及びR6は、同一又は異なって、水素原子;フッ素;
水酸基;1から5個のフッ素で置換されていてもよいC1-6アルコキシ;又は1から5個のフッ素で置換されていてもよいC1-6アルキルであり、ここにおいて、R3A、R3B、R3C、R3D及びR6のいずれかの2つが1から5個のフッ素で置換されていてもよいC1-6アルキルのとき、2個のアルキルが一緒になって該アルキルが結合している環と別の環を形成していてもよく、
R4A、R4B、R5及びR7は、同一又は異なって、アリール若しくはヘテロアリール(該アリール及び該ヘテロアリールは、ハロゲン、水酸基、1から5個のフッ素で置換されていてもよいC1-6アルキル及び1から5個のフッ素で置換されていてもよいC1-6アルコキシからなる群から独立して選択される1~5個の置換基で置換されていてもよい)、ハロゲン、水酸基、C1-6アルコキシ、4~10員の飽和複素環、C3-10シクロアルキル及び-NR12R13からなる群から独立して選択される1~5個の置換基で置換されていてもよいC1-6アルキル;アリール若しくはヘテロアリール(該アリール及び該ヘテロアリールは、ハロゲン、水酸基、1から5個のフッ素で置換されていてもよいC1-6アルキル及び1から5個のフッ素で置換されていてもよいC1-6アルコキシからなる群から独立して選択される1~5個の置換基で置換されていてもよい)、ハロゲン、水酸基、C1-6アルコキシ、C1-6アルキル及び-NR12R13からなる群から独立して選択される1~5個の置換基で置換されていてもよいC3-10シクロアルキル;C1-6アルキルで置換されていてもよい4~10員の飽和複素環;アリール若しくはヘテロアリール(該アリール及び該ヘテロアリールは、それぞれハロゲン、1~5個のフッ素で置換されていてもよいC1-6アルキル及び1~5個のフッ素で置換されていてもよいC1-6アルコキシからなる群から独立して選択される1~5個の置換基で置換されていてもよい);又は水素原子であり、ただし、R5は水素原子ではなく、R4A及びR4Bは同時に水素原子ではなく、ここにおいて、R4A及びR4Bが共にC1-6アルキルのとき、一緒になってフッ素、C1-6アルキル及びC1-6アルコキシからなる群から独立して選択される1~5個の置換基で置換されていてもよい4~10員の含窒素飽和複素環を形成していてもよく、
Qは、窒素原子を1つ又は2つ含む6員環ヘテロアリール[該ヘテロアリールは、フッ素、水酸基、C1-6アルコキシ、C3-6シクロアルキル、-NR10R11、-CONR10R11及び-NR10COR11からなる群から独立して選択される1~5個の置換基で置換されていてもよいC1-6アルキル;C3-10シクロアルキル、C3-10シクロアルコキシ若しくは4~10員の飽和複素環(該シクロアルキル、該シクロアルコキシ及び該飽和複素環は、それぞれフッ素、水酸基、C1-6アルキル、C1-6アルコキシ、-NR14R15、-CONR14R15及び-NR14COR15からなる群から独立して選択される1~5個の置換基で置換されていてもよい);フッ素、水酸基、C1-6アルコキシ、-NR14R15、-CONR14R15及び-NR14COR15からなる群から独立して選択される1~5個の置換基で置換されていてもよいC1-6アルコキシ;ハロゲン;シアノ;-CONR14R15;-NR14COR15;又は-NR14R15からなる群から独立して選択される1~3個の置換基で置換されていてもよい]であり、
R8~R15は、同一又は異なって、また複数存在する場合にはそれぞれ独立して、水素原子又は1~5個のフッ素で置換されていてもよいC1-6アルキルであり、ここにおいて、R8及びR9、R10及びR11、R12及びR13又はR14及びR15の各組は、(1)一方が水素原子のときは、もう一方が水素原子ではなく、かつ、(2)共に該C1-6アルキルであるとき、それぞれ一緒になって4~10員の含窒素飽和複素環を形成していてもよく、
nは、1又は2である]
で表される化合物又はその製薬学的に許容される塩。
項1または項2に記載の化合物又はその製薬学的に許容される塩。
項1~3のいずれか一項に記載の化合物又はその製薬学的に許容される塩。
項1~4のいずれか一項に記載の化合物又はその製薬学的に許容される塩。
項1~4のいずれか一項に記載の化合物又はその製薬学的に許容される塩。
項1~4のいずれか一項に記載の化合物又はその製薬学的に許容される塩。
項1~7のいずれか一項に記載の化合物又はその製薬学的に許容される塩。
項1~7のいずれか一項に記載の化合物又はその製薬学的に許容される塩。
項1~7のいずれか一項に記載の化合物又はその製薬学的に許容される塩。
項1~10のいずれか一項に記載の化合物又はその製薬学的に許容される塩。
項1~12のいずれか一項に記載の化合物又はその製薬学的に許容される塩。
項1~12のいずれか一項に記載の化合物又はその製薬学的に許容される塩。
項1~14のいずれか一項に記載の化合物又はその製薬学的に許容される塩。
項1~14のいずれか一項に記載の化合物又はその製薬学的に許容される塩。
項1~17のいずれか一項に記載の化合物又はその製薬学的に許容される塩。
項1~18のいずれか一項に記載の化合物又はその製薬学的に許容される塩。
項1~18のいずれか一項に記載の化合物又はその製薬学的に許容される塩。
項1~18のいずれか一項に記載の化合物又はその製薬学的に許容される塩。
項1~18のいずれか一項に記載の化合物又はその製薬学的に許容される塩。
項1~18のいずれか一項に記載の化合物又はその製薬学的に許容される塩。
項1、2又は4~18のいずれか一項に記載の化合物又はその製薬学的に許容される塩。
N-シクロヘキシル-4-[4-(3-フルオロフェニル)-1H-イミダゾール-1-イル]ピペリジン-1-カルボキサミド(実施例1)、
1-{1-[(4,4-ジフルオロシクロヘキシル)カルボニル]ピペリジン-4-イル}-4-フェニル-1H-イミダゾール-5-カルボニトリル(実施例7)、
N-シクロヘキシル-4-[4-(2-フルオロフェニル)-1H-イミダゾール-1-イル]ピペリジン-1-カルボキサミド(実施例66)、
4-{5-クロロ-4-[3-(トリフルオロメチル)フェニル]-1H-イミダゾール-1-イル]-N-(テトラヒドロ-2H-ピラン-4-イル)ピペリジン-1-カルボキサミド(実施例94)、
N-(4,4-ジフルオロシクロヘキシル)-4-(5-メチル-4-フェニル-1H-イミダゾール-1-イル)ピペリジン-1-カルボキサミド(実施例105)、
1-{1-[(4,4-ジフルオロシクロヘキシル)カルボニル]ピペリジン-4-イル}-4-(4-フルオロフェニル)-1H-イミダゾール-5-カルボニトリル(実施例154)、
1-{1-[(4,4-ジフルオロシクロヘキシル)カルボニル]ピペリジン-4-イル}-4-(2-フルオロフェニル)-1H-イミダゾール-5-カルボニトリル(実施例156)、
N-{シス-4-[5-クロロ-4-(4-フルオロフェニル)-1H-イミダゾール-1-イル]シクロヘキシル}-2-フルオロ-2-メチルプロパンアミド(実施例183)、
N-[シス-4-(5-シアノ-4-フェニル-1H-イミダゾール-1-イル)シクロヘキシル]-2-フルオロ-2-メチルプロパンアミド(実施例197)、
N-(シス-4-{5-シアノ-4-[4-(トリフルオロメチル)フェニル]-1H-イミダゾール-1-イル}シクロヘキシル)-2-フルオロ-2-メチルプロパンアミド(実施例201)、
シス-4-{5-クロロ-4-[4-(トリフルオロメチル)フェニル]-1H-イミダゾール-1-イル}-N-(テトラヒドロ-2H-ピラン-4-イル)シクロヘキサンカルボキサミド(実施例224)、
N-{シス-4-[4-(4-クロロフェニル)-1H-イミダゾール-1-イル]シクロヘキシル}-2-フルオロ-2-メチルプロパンアミド(実施例280)、
N-{シス-4-[4-(4-クロロ-2-フルオロフェニル)-1H-イミダゾール-1-イル]シクロヘキシル}-2-フルオロ-2-メチルプロパンアミド(実施例283)、
N-{シス-4-[4-(2,4-ジフルオロフェニル)-1H-イミダゾール-1-イル]シクロヘキシル}-2-フルオロ-2-メチルプロパンアミド(実施例300)、
N-{シス-4-[5-シアノ-4-(4-フルオロフェニル)-1H-イミダゾール-1-イル]シクロヘキシル}-2-フルオロ-2-メチルプロパンアミド(実施例332)、
シス-4-[5-クロロ-4-(3,4-ジフルオロフェニル)-1H-イミダゾール-1-イル]-N-(テトラヒドロ-2H-ピラン-4-イル)シクロヘキサンカルボキサミド(実施例370)、及び、
{(3-エキソ)-3-[5-クロロ-4-(4-フルオロフェニル)-1H-イミダゾール-1-イル]-8-アザビシクロ[3.2.1]オクタ-8-イル}(4,4-ジフルオロシクロヘキシル)メタノン(実施例452)。
N-シクロヘキシル-4-[4-(3-フルオロフェニル)-1H-イミダゾール-1-イル]ピペリジン-1-カルボキサミド(実施例1)、
1-{1-[(4,4-ジフルオロシクロヘキシル)カルボニル]ピペリジン-4-イル}-4-フェニル-1H-イミダゾール-5-カルボニトリル(実施例7)、
N-シクロヘキシル-4-[4-(2-フルオロフェニル)-1H-イミダゾール-1-イル]ピペリジン-1-カルボキサミド(実施例66)、
1-{1-[(4,4-ジフルオロシクロヘキシル)カルボニル]ピペリジン-4-イル}-4-(4-フルオロフェニル)-1H-イミダゾール-5-カルボニトリル(実施例154)、
N-{シス-4-[5-クロロ-4-(4-フルオロフェニル)-1H-イミダゾール-1-イル]シクロヘキシル}-2-フルオロ-2-メチルプロパンアミド(実施例183)、
シス-4-[5-クロロ-4-(3,4-ジフルオロフェニル)-1H-イミダゾール-1-イル]-N-(テトラヒドロ-2H-ピラン-4-イル)シクロヘキサンカルボキサミド(実施例370)、及び、
{(3-エキソ)-3-[5-クロロ-4-(4-フルオロフェニル)-1H-イミダゾール-1-イル]-8-アザビシクロ[3.2.1]オクタ-8-イル}(4,4-ジフルオロシクロヘキシル)メタノン(実施例452)。
また、R3A、R3B、R3C、R3D及びR6のいずれかの2つが該C1-6アルキルのとき、2個のアルキルが一緒になって該アルキルが結合している環と別の環を形成していてもよく、具体的には以下の環が挙げられる。ここで新たに形成された環上の炭素は1から5個のフッ素で置換されていてもよい。より好ましくは、r3-1及びr3-2が挙げられる。
式(I)で表される化合物の合成中間体となるa3~a5は、例えば下記の製法により製造することができる。
本工程は化合物a1に、化合物a6を反応させることにより、化合物a2を得る工程である。本工程において使用される溶媒は、後記に例示する溶媒等から選択されるが、好ましくはエタノール又はテトラヒドロフランである。その際の反応温度は-78℃から100℃、反応時間は数分から数日間が好ましい。類似反応として、例えば、Heterocycles, 1994, Vol. 39, 139-154などに記載されている方法が既知であり、同様に合成することができる。
本工程は上記A-1工程で得られた化合物a2と化合物a7を反応させることにより、化合物a3を得ることができる。本工程において使用される溶媒は、後記に例示する溶媒等から選択されるが、好ましくはキシレン又はトルエンである。その際の反応温度は室温から150℃、反応時間は数分から数日間が好ましい。類似反応として、例えば、Heterocycles, 1994, Vol. 39, 139-154などに記載されている方法が既知であり、同様に合成することができる。
本工程は上記A-1工程で得られた化合物a2に、上記A-2工程に準じた条件で、化合物a8を反応させることにより、化合物a4を得る工程である。
本工程は上記A-1工程で得られた化合物a2に、上記A-2工程に準じた条件で、化合物a9を反応させることにより、化合物a5を得る工程である。
式(I)で表される化合物の合成中間体となるb2~b4は、例えば下記の製法により製造することができる。
本工程は化合物b1と化合物a7及び化合物b5を適当な溶媒中、適当な塩基の存在化で反応させることにより、化合物b2を得ることができる。本工程において使用される塩基は、後記に例示する塩基等から選択されるが、好ましくは炭酸カリウム又はピペラジンである。本工程において使用される溶媒は、後記に例示する溶媒等から選択されるが、好ましくはジメチルホルムアミド又はテトラヒドロフランである。その際の反応温度は-78℃から150℃、反応時間は数分から数日間が好ましい。類似反応として、例えば、J. Org. Chem. 2000, 65, 1516-1524などに記載されている方法が既知であり、同様に合成することができる。
本工程は化合物b1に、上記B-1工程に準じた条件で、化合物a8及び化合物b5を反応させることにより、化合物b3を得る工程である。
本工程は化合物b1に、上記B-1工程に準じた条件で、化合物a9及び化合物b5を反応させることにより、化合物b4を得る工程である。
式(I)で表される化合物のうち、X-Y-Zが、N-CO-NR4AR4Bである式[C1][C2][C3]で表される化合物(以下、化合物C1、C2、C3とも称する)は、例えば下記の製法により製造することができる。
本工程は上記製造法Aで得られた化合物a3のアミノの保護基Pを、脱保護することにより、化合物c1を得る工程である。本工程はProtective Groups in Organic Synthesis(Theodora W. Greene, Peter G. M. Wuts著、John Wiley & Sons, Inc.発行、1999年)に記載されている方法等に準じて行うことができる。
本工程は上記C-1工程で得られた化合物c1に、適当な塩基存在下、適当な溶媒中、化合物c3又はc4を反応させることにより、化合物C1を得る工程である。本工程において使用される塩基は、後記に例示する塩基等から選択されるが、好ましくはジイソプロピルエチルアミン又はトリエチルアミンである。本工程において使用される溶媒は、後記に例示する溶媒等から選択されるが、好ましくはテトラヒドロフラン又は塩化メチレンある。その際の反応温度は-78℃から100℃、反応時間は数分から数日間が好ましい。類似反応として、例えば、J. Org. Chem. 1995, 60(25), 8262-8266、Bioorg. Med. Chem. Lett. 2004, 14(3), 727-779、Tetrahedron Lett.2001, 42(8), 1445-1447などに記載されている方法が既知であり、同様に合成することができる。
本工程は上記C-2工程で得られた化合物C1に、適当な溶媒中、適当な酸の存在下で、種々のハロゲン化剤を反応させることにより、化合物C2を得る工程である。本工程において使用されるハロゲン化剤は、好ましくはN-クロロスクシンイミド、N-ブロモスクシンイミド、N-ヨードスクシンイミドである。本工程において使用される溶媒は、後記に例示する溶媒等から選択されるが、好ましくは塩化メチレン又はジクロロエタンある。本工程において使用される酸は、後記に例示する酸等から選択されるが、好ましくはトリフルオロ酢酸又は塩酸ある。その際の反応温度は-78℃から100℃、反応時間は数分から数日間が好ましい。類似反応として、例えば、Bioorg. Med. Chem. Lett. 2008, 18(5), 1702-1707、J. Org. Chem. 2002, 67(17), 5913-5918、などに記載されている方法が既知であり、同様に合成することができる。
本工程は上記C-3工程で得られた化合物C2に、適当な溶媒中、適当な金属試薬の存在下で反応させることにより、化合物C3を得る工程である。その際の反応温度は-78℃から150℃、反応時間は数分から数日間が好ましい。類似反応として、例えば、Tetrahedron Lett. 2003, 44(7), 1379-1382、J. Med. Chem. 2009, 52(14), 4370-4379、Bioorg. Med. Chem. Lett. 2012, 20(9), 3009-3015、J. Org. Chem. 2002, 67(10), 3365-3373、Tetrahedron Lett. 2007, 48(13), 2339-2343などに記載されている方法が既知であり、同様に合成することができる。
本工程は上記製造法Bで得られた化合物b2に、上記C-1工程に準じた条件で反応させることにより、化合物c2を得る工程である。
本工程は上記C-5工程で得られた化合物c2に、上記C-2工程に準じた条件で、化合物c3又はc4を反応させることにより、化合物C3を得る工程である。
式(I)で表される化合物のうち、X-Y-Zが、N-COR5である式[D1][D2][D3]で表される化合物(以下、化合物D1、D2、D3とも称する)は、例えば下記の製法により製造することができる。
本工程は製造法Cで得られた化合物c1に、適当な縮合剤存在下又は非存在下、適当な塩基存在下、適当な溶媒中、化合物d1又はd2を反応させることにより、化合物D1を得る工程である。本工程において使用される縮合剤は、好ましくはEDCI(塩酸塩を含む)又はHBTUである。本工程において使用される塩基は、後記に例示する塩基等から選択されるが、好ましくはジイソプロピルエチルアミン又はトリエチルアミンである。本工程において使用される溶媒は、後記に例示する溶媒等から選択されるが、好ましくはジメチルホルムアミド、テトラヒドロフラン又は塩化メチレンある。その際の反応温度は-78℃から100℃、反応時間は数分から数日間が好ましい。
本工程は上記D-1工程で得られた化合物D1に、上記C-3工程に準じた条件で反応させることにより、化合物D2を得る工程である。
本工程は上記D-2工程で得られた化合物D2に、上記C-4工程に準じた条件で反応させることにより、化合物D3を得る工程である。
本工程は製造法Cで得られた化合物c2に、上記D-1工程に準じた条件で、化合物d1又はd2を反応させることにより、化合物D3を得る工程である。
式(I)で表される化合物のうち、X-Y-Zが、CR6-NR7-COR5又はCR6-NR7-Qある式[E1]、[E2]又は[E3]で表される化合物(以下、化合物E1、E2又はE3とも称する)は、例えば下記の製法により製造することができる。
本工程は製造法Aで得られた化合物a4に、上記C-3工程に準じた条件で反応させることにより、化合物e1を得る工程である。
本工程は上記E-1工程で得られた化合物e1に、上記C-1工程に準じた条件で反応させることにより、化合物e2を得る工程である。
本工程は上記E-2工程で得られた化合物e2に、上記D-1工程に準じた条件で、化合物d1又はd2を反応させることにより、化合物E1を得る工程である。
本工程は上記E-3工程で得られた化合物E1に、上記C-4工程に準じた条件で反応させることにより、化合物E2を得る工程である。
本工程は製造法Bで得られた化合物b3に、上記C-1工程に準じた条件で反応させることにより、化合物e3を得る工程である。
本工程は上記E-5工程で得られた化合物e3に、上記D-1工程に準じた条件で、化合物d1又はd2を反応させることにより、化合物E2を得る工程である。
本工程は上記E-2工程で得られた化合物e2に、触媒の存在下又は非存在下、塩基存在下、無溶媒下又は適当な溶媒中で化合物Q-LGとカップリングし化合物E3を得る工程である。触媒としては、パラジウムなどの遷移金属やその塩、その錯体、ポリマーなどの担体に担持させたものを挙げることができる。本工程において使用される塩基は、後記に例示される塩基等から選択されるが、好ましくはジイソプロピルエチルアミン、トリエチルアミン又は炭酸カリウムが挙げられる。本工程において使用される溶媒は、原料化合物の種類等に従って選択されるべきであるが、例えば、N,N-ジメチルホルムアミド、1-メチルピロリジン-2-オン、ジメチルスルホキシド、テトラヒドロフラン、ジオキサン、エチレングリコールジメチルエーテル、塩化メチレン、酢酸エチル、アセトン、アセトニトリル又は水が挙げられる。これらの溶媒はそれぞれ単独として、又は2種以上の混合溶媒として用いることができる。反応温度は室温から200℃、反応時間は数分から数日間が好ましく、マイクロウェーブ照射下での反応も実施可能である。
本工程は上記E-5工程で得られた化合物e3に、上記E-7工程に準じた条件で、化合物Q-LGを反応させることにより、化合物E3を得る工程である。
式(I)で表される化合物のうち、X-Y-Zが、CR6-CO-NR4AR4Bである式[F1][F2]で表される化合物(以下、化合物F1、F2とも称する)は、例えば下記の製法により製造することができる。
本工程は製造法Aで得られた化合物a5に、上記C-3工程に準じた条件で反応させることにより、化合物f1を得る工程である。
本工程は上記F-1工程で得られたエステル化合物f1を、対応するカルボン酸化合物f2に変換する工程である。本工程はProtective Groups in Organic Synthesis(Theodora W. Greene, Peter G. M. Wuts著、John Wiley & Sons, Inc.発行、1999年)に記載されている方法等に準じて行うことができる。
本工程は上記F-2工程で得られた化合物f2に、適当な縮合剤、適当な塩基存在下、適当な溶媒中、化合物f4を反応させることにより、化合物F1を得る工程である。本工程において使用される縮合剤は、好ましくはEDCI(塩酸塩を含む)又はHBTUである。本工程において使用される塩基は、後記に例示する塩基等から選択されるが、好ましくはジイソプロピルエチルアミン又はトリエチルアミンである。本工程において使用される溶媒は、後記に例示する溶媒等から選択されるが、好ましくはジメチルホルムアミド、テトラヒドロフラン又は塩化メチレンある。その際の反応温度は-78℃から100℃、反応時間は数分から数日間が好ましい。
本工程は上記F-3工程で得られた化合物F1に、上記C-4工程に準じた条件で反応させることにより、化合物F2を得る工程である。
本工程は製造法Bで得られた化合物b4に、上記F-2工程に準じた条件で反応させることにより、化合物f3を得る工程である。
本工程は上記F-5工程で得られた化合物f3に、上記F-3工程に準じた条件で、化合物f4を反応させることにより、化合物F2を得る工程である。
式(I)で表される化合物のうち、X-Y-Zが、CR6-NR7-CONR4AR4Bある式[G1]又は[G2]で表される化合物(以下、化合物G1又はG2とも称する)は、例えば下記の製法により製造することができる。
本工程は製造法Eで得られた化合物e2に、上記C-2工程に準じた条件で、化合物c3又はc4を反応させることにより、化合物G1を得る工程である。
本工程は上記G-1工程で得られた化合物G1に、上記C-4工程に準じた条件で反応させることにより、化合物G2を得る工程である。
本工程は製造法Eで得られた化合物e3に、上記C-2工程に準じた条件で、化合物c3又はc4を反応させることにより、化合物G2を得る工程である。
また、本発明の化合物は、神経系疾患、精神疾患、及び炎症性疾患(例えば老人性認知症、注意力欠陥障害、アルツハイマー病、及び統合失調症)の新規な治療剤となり得る。本発明の化合物の投与経路としては、経口投与、非経口投与又は直腸内投与のいずれでもよく、その一日投与量は、化合物の種類、投与方法、患者の症状・年齢等により異なる。例えば、経口投与の場合は、通常、ヒト又は哺乳動物1kg体重当たり約0.01~1000mg、更に好ましくは約0.1~500mgを1~数回に分けて投与することができる。静注等の非経口投与の場合は、通常、例えば、ヒト又は哺乳動物1kg体重当たり約0.01mg~300mg、更に好ましくは約1mg~100mgを投与することができる。本明細書においては、「治療」とは予防的投与も含まれる。
検出機器:Waters ACQUITY UPLC
Column:ACQUITY UPLC BEH C18 1.7μm 2.1×50 mm column
Solvent:A液:0.05% HCOOH/H2O、B液:CH3CN
Gradient Condition:
0.0-1.3分;A/B=90:10~1:99(linear gradient)
1.35-1.5分;A/B=1:99
1.5-2分;A/B=90:10
Flow Rate:0.75 mL/分
UV:220 nm, 254 nm
カラム温度:50℃
検出機器:Shimadzu LCMS-2020
Column:Phenomenex Kinetex 1.7μm C18 2.1 mm×50 mm
Solvent:A液:MeOH, B液 : 0.05% TFA/H2O
Gradient condition:
0 min: A/B= 30:70
0-1.90 min: A/B=99:1
1.91-3.00 min: A/B=30:70
Flow Rate:0.5 ml/min.
UV:220 nm
カラム温度:40℃
検出機器:APIシリーズ用Agilent 1100シリーズ (applied Biosystems社製)
HPLC:API 150EX LC/MS system (applied Biosystems社製)
Column:YMC CombiScreen Hydrosphere C18 (S-5μM, 12 nm, 4.6×50 mm)
Solvent:A液:0.05 % TFA/H2O、B液:0.05 % TFA/MeOH
Gradient Condition:
0.0-6.0分;A/B=75:25~1:99(linear gradient)
Flow rate:3.5 mL/分
UV:254 nm
検出機器:Shimadzu, LC:20A, MS:2010
Column:Xtimate C18 2.1*30 mm, 3μm
Solvent:A液:1.5 mL/4L TFA/H2O、B液:0.75 mL/4L TFA/MeCN
Gradient Condition:
Using the elution gradient 10%-80% (solvent B) over 2.2 minutes and holding at 80% for 0.3 minutes
Flow rate:0.8 mL/分
UV:220 nm
検出機器:Shimadzu, LC:20A, MS:2010
Column:Xtimate C18 2.1*30 mm, 3μm
Solvent:A液:1.5 mL/4L TFA/H2O、B液:0.75 mL/4 L TFA/MeCN
Gradient Condition:
Using the elution gradient 30%-90% (solvent B) over 2.2 minutes and holding at 90% for 0.3 minutes
Flow rate:0.8 mL/分
UV:220 nm
検出機器:Shimadzu, LC:20A, MS:2010
Column:Xtimate C18 2.1*30 mm, 3μm
Solvent:A液:1.5 mL/4 L TFA/H2O、B液:0.75 mL/4 L TFA/MeCN
Gradient Condition:
Using the elution gradient 0%-60% (solvent B) over 2.2 minutes and holding at 60% for 0.3 minutes
Flow rate:0.8 mL/分
UV:220 nm
検出機器:Agilent, LC:1200, MS:6110
Column:Xbrige RP-18 2.1*50 mm, 5μm
Solvent:A液:0.5 mL/1 L NH3・H2O/H2O、B液:MeCN
Gradient Condition:
Using the elution gradient 10%-80% (solvent B) over 2.0 minutes and holding at 80% for 0.5 minutes
Flow rate:1.0 mL/分
UV:220 nm
tert-ブチル 4-[4-(3-フルオロフェニル)-1H-イミダゾール-1-イル]ピペリジン-1-カルボキシレート(参考例1)
3-フルオロベンズアルデヒド(6.68 g)のエタノール(200 ml)、テトラヒドロフラン(60 ml)溶液に、室温にてp-トルエンスルホニルメチルイソシアニド(10 g)を加えて、さらに少量の水に溶かしたシアン化ナトリウム(252 mg)を滴下した後、室温で3時間攪拌した。反応液を減圧留去した後に、得られた残渣に酢酸エチルを加えた。無水硫酸マグネシウムで乾燥後、減圧下留去し、化合物cmp-1(15.8 g)を取得した。
LCMS; [M+H]+ / Rt (min): 測定条件(320 / 1.02 : A)
化合物cmp-1(15.8 g)に、室温にてtert-ブチル 4-アミノピペリジン-1-カルボキシレート(15.4 g)とキシレン(100 ml)を加え、窒素雰囲気下135℃で13時間加熱攪拌した。反応液を減圧留去した後に、得られた残渣をシリカゲルカラムクロマトグラフィーにて精製することにより、参考例1(5.63 g)を取得した。
LCMS; [M+H]+ / Rt (min): 測定条件(346 / 0.70 : A)
4-(5-ブロモ-4-フェニル-1H-イミダゾール-1-イル)ピペリジン(参考例2)
LCMS; [M+H]+ / Rt (min): 測定条件(306 / 0.18 : A)
40%グリオキサール水溶液(1.52 g)のジメチルホルムアミド溶液(50 ml)に、室温にてtert-ブチル 4-アミノピペリジン-1-カルボキシレート(2.8 g)を加えて、室温で8時間攪拌した後に、(1-フェニル-1-トシル)メチルイソシアニド(2 g)と炭酸カリウム(2.41 g)を加えて、室温にて18時間攪拌した。反応液に1mol/L塩酸を加えてクエンチした後に、クロロホルムで抽出した。有機層を硫酸ナトリウムで乾燥、減圧留去した後に、得られた残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒;クロロホルム:メタノール=100:0~90:10)で精製することにより、化合物cmp-2(549 mg)を取得した。
LCMS; [M+H]+ / Rt (min): 測定条件(356 / 1.58 : B)
ヒドロキシルアミン塩酸塩(754 mg)の水溶液(10 ml)に、室温にて炭酸水素ナトリウム(916 mg)を加えた後に、化合物cmp-2(549 mg)のエタノール溶液(5 ml)を加えて、室温で15時間攪拌した。その後、析出した固体をろ取して水で洗浄した後に、60℃で乾燥して固体(298 mg)を取得した。その後、室温にて無水酢酸(15 ml)を加えて、加熱還流下15時間攪拌した。反応液を減圧留去した後に、クロロホルムで抽出、有機層を硫酸ナトリウムで乾燥、減圧留去した。得られた残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒;クロロホルム:メタノール=100:0~90:10)で精製することにより、参考例3(254 mg)を取得した。
1H-NMR (300 MHz, CDCl3) δ: 8.03-7.99 (m, 2H), 7.69 (s, 1H), 7.50-7.40 (m, 3H), 4.38-4.24 (m, 3H), 2.94-2.86 (m, 2H), 2.24-2.20 (m, 2H), 2.01-1.88 (m, 2H), 1.49 (s, 9H).
tert-ブチル 4-(5-フルオロ-4-フェニル-1H-イミダゾール-1-イル)ピペリジン-1-カルボキシレート(参考例4)
1H-NMR (300 MHz, CDCl3) δ: 7.78-7.76 (m, 2H), 7.43-7.38 (m, 2H), 7.30 (s, 1H), 7.27-7.22 (m, 1H), 4.35-4.31 (m, 2H), 4.14-4.03 (m, 1H), 2.90-2.82 (m, 2H), 2.13-2.08 (m, 2H), 1.96-1.83 (m, 2H), 1.49 (s, 9H).
tert-ブチル 4-(2-フルオロ-4-フェニル-1H-イミダゾール-1-イル)ピペリジン-1-カルボキシレート(参考例5)
1H-NMR (300 MHz, CDCl3) δ: 7.90-7.76 (m, 2H), 7.42-7.36 (m, 3H), 7.23 (s, 1H), 4.35-4.31 (m, 2H), 4.13-4.02 (m, 1H), 2.90-2.82 (m, 2H), 2.13-2.09 (m, 2H), 1.96-1.82 (m, 2H), 1.49 (s, 9H).
シス-4-(4-フェニル-1H-イミダゾール-1-イル)シクロヘキサンカルボン酸(参考例6)
LCMS; [M+H]+ / Rt (min): 測定条件(271 / 0.39 : B)
N-シクロヘキシル-4-[4-(3-フルオロフェニル)-1H-イミダゾール-1-イル]ピペリジン-1-カルボキサミド(実施例1)
参考例1(5.63 g)に、室温にて4mol/L塩化水素/酢酸エチル溶液(50 ml)を加えて、室温で30分間攪拌した。反応液を減圧留去して、化合物cmp-3(4.06 g)を取得した。
LCMS; [M+H]+ / Rt (min): 測定条件(246 / 0.18 : A)
化合物cmp-3(1 g)のテトラヒドロフラン(15 ml)溶液に、室温にてイソシアン酸シクロヘキシル(0.48 ml)とトリエチルアミン(1.3 ml)を加え、室温下にて18時間攪拌した。反応液を減圧留去した後に、得られた残渣をシリカゲルカラムクロマトグラフィー(溶出溶媒;クロロホルム:メタノール=100:0~90:10)にて精製することにより、実施例1(960 mg)を取得した。
LCMS; [M+H]+ / Rt (min): 測定条件(371 / 0.63 : A)
1H-NMR (400 MHz, MeOD) δ : 7.62 (s, 1H), 7.52-7.45 (m, 2H), 7.33 (s, 1H), 6.93 (s, 1H), 6.73 (s, 1H), 4.36 (s, 1H), 4.15-4.11 (m, 3H), 3.67 (s, 1H), 2.96-2.89 (m, 2H), 2.15-2.13 (m, 2H), 1.97-1.90 (m, 2H), 1.71-1.62 (m, 4H), 1.40-1.37 (m, 2H), 1.14-1.11 (m, 4H)
N-(ビシクロ[2.2.1]ヘプト-2-イル)-4-[4-(3-フルオロフェニル)-1H-イミダゾール-1-イル]ピペリジン-1-カルボキサミド(実施例2)
LCMS; [M+H]+ / Rt (min): 測定条件(383 / 0.65 : A)
4-[4-(3-フルオロフェニル)-1H-イミダゾール-1-イル]-N-[トランス-4-(トリフルオロメチル)シクロヘキシル]ピペリジン-1-カルボキサミド(実施例3)
LCMS; [M+H]+ / Rt (min): 測定条件(439 / 0.70 : A)
N-(トランス-4-メトキシシクロヘキシル)-4-{4-[4-(トリフルオロメチル)フェニル]-1H-イミダゾール-1-イル}ピペリジン-1-カルボキサミド(実施例4)
LCMS; [M+H]+ / Rt (min): 測定条件(451 / 1.27 : B)
N-tert-ブチル-4-[5-クロロ-4-(3-フルオロフェニル)-1H-イミダゾール-1-イル]ピペリジン-1-カルボキサミド(実施例5)
LCMS; [M+H]+ / Rt (min): 測定条件(379 / 1.59 : B)
1H-NMR (300 MHz, CDCl3) δ: 7.76-7.73 (m, 1H), 7.70-7.65 (m, 1H), 7.61 (s, 1H), 7.41-7.34 (m, 1H), 7.02-6.98 (m, 1H), 4.37 (brs, 1H), 4.26-4.09 (m, 3H), 2.96-2.87 (m, 2H), 2.18-2.13 (m, 2H), 1.96-1.83 (m, 2H), 1.38 (s, 9H).
[4-(4-フェニル-1H-イミダゾール-1-イル)ピペリジン-1-イル](4,4-ジフルオロシクロヘキシル)メタノン(実施例6)
LCMS; [M+H]+ / Rt (min): 測定条件(374 / 0.54 : A)
1-{1-[(4,4-ジフルオロシクロヘキシル)カルボニル]ピペリジン-4-イル}-4-フェニル-1H-イミダゾール-5-カルボニトリル(実施例7)
LCMS; [M+H]+ / Rt (min): 測定条件(399 / 1.49 : B)
1H-NMR (300 MHz, CDCl3) δ: 8.03-7.99 (m, 2H), 7.68 (s, 1H), 7.50-7.38 (m, 3H), 4.92-4.89 (m, 1H), 4.41-4.36 (m, 1H), 4.11-4.07 (m, 1H), 3.30-3.26 (m, 1H), 2.69-2.60 (m, 2H), 2.30-1.67 (m, 12H).
2-フルオロ-N-{シス-4-[4-(4-フルオロフェニル)-1H-イミダゾール-1-イル]シクロヘキシル}-2-メチルプロパンアミド(実施例8)
1H-NMR (400 MHz, CDCl3) δ: 7.70 (dd, J = 9, 5.5 Hz, 2H), 7.56 (s, 1H), 7.19 (s, 1H), 7.03 (t, J = 9 Hz, 2H), 6.46 (br, 1H), 4.00-4.12 (m, 2H), 2.01-2.10 (m, 2H), 1.74-1.98 (m, 6H), 1.58 (s, 3H), 1.52 (s, 3H).
シス-N-シクロヘキシル-4-(4-フェニル-1H-イミダゾール-1-イル)シクロヘキサンカルボキサミド(実施例9)
1H-NMR (300 MHz, CDCl3) δ: 7.78-7.75 (m, 2H), 7.59-7.58 (m, 1H), 7.39-7.19 (m, 4H), 5.35-5.32 (m, 1H), 4.06-3.97 (m, 1H), 3.84-3.73 (m, 1H), 2.44-2.42 (m, 1H), 2.31-2.18 (m, 2H), 2.13-1.06 (m, 16H).
N-[シス-4-(4-フェニル-1H-イミダゾール-1-イル)シクロヘキシル]-6-(トリフルオロメチル)ピリミジン-4-アミン(実施例235)
LCMS; [M+H]+ / Rt (min): 測定条件(388 / 0.62 : A)
1H-NMR (CDCl3) δ: 1.71-2.37 (8H, m), 3.20-3.54 (1H, m), 3.85-4.42 (1H, m), 5.58-5.89 (1H, m), 6.65 (1H, s), 7.09-7.39 (3H, m), 7.53 (1H, s), 7.60-7.80 (3H, m), 8.61 (1H, s)
以下に、本発明の代表的化合物の薬理試験結果を示し、該化合物についての薬理作用を説明するが、本発明はこれらの試験例に限定されるものではない。
(1)ヒトα7 nAChR安定発現細胞
ヒトα7 nAChR安定発現細胞を作製し、培養に供した。具体的には、宿主細胞としてラット下垂体由来GH4C1細胞(cat#CCL-82.2, ATCC, USA)を用いた。GenBank BAC81731の蛋白をコードする塩基配列を挿入したpcDNA3.1Zeoベクターの導入、及びヒトα7 nAChR遺伝子を挿入したpcDNA3.1ベクター(cat#V790-20, invitrogen, Carlsbad,CA,USA)の導入によりエクオリン及びヒトα7 nAChR安定発現細胞を得た。選別にはそれぞれZeocin(cat#R25001, invitrogen, Carlsbad,CA,USA)及びGeneticin(cat#10131-027, invitrogen, Carlsbad,CA,USA)を用いた。
播種翌日、Viviren(cat#E649X, Promega, Madison,WI,USA)を終濃度4μMとなるように添加し(15μL/well)、遠心後4時間室温、遮光下で静置した。
試験化合物は最終濃度の1000倍濃度のDMSO溶液を作製し、この溶液をHanks/20 mM HEPES/0.2% BSA(cat#A3803, Sigma,St.Louis, MO, USA)にて最終濃度の6倍濃度に調製した。
α7 nAChR刺激による発光シグナルの検出にはFDSS7000(浜松ホトニクス)を用いた。細胞及び発光基質を添加したプレートに試験化合物を添加し、150秒後に単独処置でEC20を示す濃度のAChを添加した。ACh添加後138秒間発光シグナル(中心波長:465 nm)を測定してRLU(Max-Min)を算出し、コントロールwellと試験化合物添加wellとのRLU(Max-Min)の比をPAM活性とした。
代表的化合物のα7 PAM活性のデータを表18~25に示す。
25-30gのSlc:ddYマウス(雄性、日本エスエルシー)を用いた新奇物体認識試験において、第一試行(トレーニング)と第二試行(テスト)の間隔時間依存的に、既知物体に対する記憶低下が認められ、24時間後に第二試行を行った場合、顕著な忘却が認められる。そこで本発明化合物を第一試行前に投与し、第二試行における記憶増強作用を評価した。その結果、実施例1、183、280、370及び452は、3mg/kg(経口)において有意な記憶増強作用が確認された。
280-300gのSlc:Wistarラット(雄性、日本エスエルシー)を用いたY字型迷路試験において、0.6mg/kgのScopolamine HBr(cat#S0929, Sigma Aldrich, Japan)皮下投与により記憶障害が惹起され、自発交替行動率の低下が認められる。そこで本発明化合物を前処置し、記憶障害改善作用を評価する。その結果、実施例1及び183の化合物は、3mg/kg(経口)において有意な記憶障害改善作用が確認された。
Claims (20)
- 式(I):
X-Y-Zは、N-CO-NR4AR4B、N-COR5、CR6-CO-NR4AR4B、CR6-NR7-COR5、CR6-NR7-CONR4AR4B又はCR6-NR7-Qであり、
R1は、フェニル又は単環ヘテロアリール(該フェニル及び該単環ヘテロアリールは、それぞれハロゲン、水酸基、1から5個のフッ素で置換されていてもよいC1-6アルキル、1から5個のフッ素で置換されていてもよいC1-6アルコキシ、シアノ、-NR8R9、-COOR8、-CONR8R9及び-NR8COR9からなる群から独立して選択される1~5個の置換基で置換されていてもよい)であり、
R2A及びR2Bは、同一又は異なって、水素原子;ハロゲン;シアノ;-COOR10;-CONR10R11;-NR10R11;-NR10COR11;ハロゲン、水酸基、C1-6アルキル、1から5個のフッ素で置換されていてもよいC3-10シクロアルキル、C1-6アルコキシ、4~10員の飽和複素環、シアノ、-NR10R11、-COOR10、-CONR10R11及び-NR10COR11からなる群から独立して選択される1~5個の置換基で置換されていてもよいC1-6アルキル;又はハロゲン、水酸基、C1-6アルキル、C1-6アルコキシ、シアノ、-NR10R11、-COOR10、-CONR10R11及び-NR10COR11からなる群から独立して選択される1~5個の置換基で置換されていてもよいC3-10シクロアルキルを表し、ここにおいて、X-Y-ZがN-CO-NHEtであって、n=1のとき、R2Aは、水素原子;ハロゲン;シアノ:又は上記置換基で置換されていてもよいC1-4アルキルであり、
R3A、R3B、R3C、R3D及びR6は、同一又は異なって、水素原子;フッ素;
水酸基;1から5個のフッ素で置換されていてもよいC1-6アルコキシ;又は1から5個のフッ素で置換されていてもよいC1-6アルキルであり、ここにおいて、R3A、R3B、R3C、R3D及びR6のいずれかの2つが1から5個のフッ素で置換されていてもよいC1-6アルキルのとき、2個のアルキルが一緒になって該アルキルが結合している環と別の環を形成していてもよく、
R4A、R4B、R5及びR7は、同一又は異なって、アリール若しくはヘテロアリール(該アリール及び該ヘテロアリールは、ハロゲン、水酸基、1から5個のフッ素で置換されていてもよいC1-6アルキル及び1から5個のフッ素で置換されていてもよいC1-6アルコキシからなる群から独立して選択される1~5個の置換基で置換されていてもよい)、ハロゲン、水酸基、C1-6アルコキシ、4~10員の飽和複素環、C3-10シクロアルキル及び-NR12R13からなる群から独立して選択される1~5個の置換基で置換されていてもよいC1-6アルキル;アリール若しくはヘテロアリール(該アリール及び該ヘテロアリールは、ハロゲン、水酸基、1から5個のフッ素で置換されていてもよいC1-6アルキル及び1から5個のフッ素で置換されていてもよいC1-6アルコキシからなる群から独立して選択される1~5個の置換基で置換されていてもよい)、ハロゲン、水酸基、C1-6アルコキシ、C1-6アルキル及び-NR12R13からなる群から独立して選択される1~5個の置換基で置換されていてもよいC3-10シクロアルキル;C1-6アルキルで置換されていてもよい4~10員の飽和複素環;アリール若しくはヘテロアリール(該アリール及び該ヘテロアリールは、それぞれハロゲン、1~5個のフッ素で置換されていてもよいC1-6アルキル及び1~5個のフッ素で置換されていてもよいC1-6アルコキシからなる群から独立して選択される1~5個の置換基で置換されていてもよい);又は水素原子であり、ただし、R5は水素原子ではなく、R4A及びR4Bは同時に水素原子ではなく、ここにおいて、R4A及びR4Bが共にC1-6アルキルのとき、一緒になってフッ素、C1-6アルキル及びC1-6アルコキシからなる群から独立して選択される1~5個の置換基で置換されていてもよい4~10員の含窒素飽和複素環を形成していてもよく、
Qは、窒素原子を1つ又は2つ含む6員環ヘテロアリール[該ヘテロアリールは、フッ素、水酸基、C1-6アルコキシ、C3-6シクロアルキル、-NR10R11、-CONR10R11及び-NR10COR11からなる群から独立して選択される1~5個の置換基で置換されていてもよいC1-6アルキル;C3-10シクロアルキル、C3-10シクロアルコキシ若しくは4~10員の飽和複素環(該シクロアルキル、該シクロアルコキシ及び該飽和複素環は、それぞれフッ素、水酸基、C1-6アルキル、C1-6アルコキシ、-NR14R15、-CONR14R15及び-NR14COR15からなる群から独立して選択される1~5個の置換基で置換されていてもよい);フッ素、水酸基、C1-6アルコキシ、-NR14R15、-CONR14R15及び-NR14COR15からなる群から独立して選択される1~5個の置換基で置換されていてもよいC1-6アルコキシ;ハロゲン;シアノ;-CONR14R15;-NR14COR15;又は-NR14R15からなる群から独立して選択される1~3個の置換基で置換されていてもよい]であり、
R8~R15は、同一又は異なって、また複数存在する場合にはそれぞれ独立して、水素原子又は1~5個のフッ素で置換されていてもよいC1-6アルキルであり、ここにおいて、R8及びR9、R10及びR11、R12及びR13又はR14及びR15の各組は、(1)一方が水素原子のときは、もう一方が水素原子ではなく、かつ、(2)共に該C1-6アルキルであるとき、それぞれ一緒になって4~10員の含窒素飽和複素環を形成していてもよく、
nは、1又は2である]
で表される化合物又はその製薬学的に許容される塩。 - nが1である、請求項1に記載の化合物又はその製薬学的に許容される塩。
- X-Y-Zが、N-CO-NR4AR4B、N-COR5、CR6-CO-NR4AR4B又はCR6-NR7-COR5である、
請求項1又は請求項2に記載の化合物又はその製薬学的に許容される塩。 - R1が、フェニル又は単環ヘテロアリール(該フェニル及び該単環ヘテロアリールは、それぞれハロゲン、水酸基、1から5個のフッ素で置換されていてもよいC1-6アルキル、1から5個のフッ素で置換されていてもよいC1-6アルコキシ及びシアノからなる群から独立して選択される1~5個の置換基で置換されていてもよい)である、
請求項1~3のいずれか一項に記載の化合物又はその製薬学的に許容される塩。 - R2A及びR2Bが、同一又は異なって、水素原子;ハロゲン;シアノ;又はハロゲン、水酸基、C1-6アルキル、1から5個のフッ素で置換されていてもよいC3-10シクロアルキル、C1-6アルコキシ及び4~10員の飽和複素環からなる群から独立して選択される1~5個の置換基で置換されていてもよいC1-6アルキルであり、ここにおいて、X-Y-ZがN-CO-NHEtであって、n=1のとき、R2Aは、水素原子;ハロゲン;シアノ:又は上記置換基で置換されていてもよいC1-4アルキルである、請求項1~4のいずれか一項に記載の化合物又はその製薬学的に許容される塩。
- R3A、R3B、R3C、R3D及びR6が、同一又は異なって、水素原子、又はC1-6アルキルであり、ここにおいて、R3A、R3B、R3C及びR3Dのいずれかの2つがC1-6アルキルのとき、2個のアルキルは、該アルキルが結合する炭素原子又はそれら炭素原子を含む環と一緒になって別の環を形成していてもよい、請求項1~5のいずれか一項に記載の化合物又はその製薬学的に許容される塩。
- R4A、R4B、R5及びR7が、同一又は異なって、ハロゲン、水酸基、C1-6アルコキシ、4~10員の飽和複素環、C3-10シクロアルキル及び-NR12R13からなる群から独立して選択される1~5個の置換基で置換されていてもよいC1-6アルキル;ハロゲン、水酸基、C1-6アルコキシ、C1-6アルキル及び-NR12R13からなる群から独立して選択される1~5個の置換基で置換されていてもよいC3-10シクロアルキル;アリール若しくはヘテロアリール(該アリール及び該ヘテロアリールは、それぞれハロゲン、1~5個のフッ素で置換されていてもよいC1-6アルキル及び1~5個のフッ素で置換されていてもよいC1-6アルコキシからなる群から独立して選択される1~5個の置換基で置換されていてもよい);又は水素原子であり、ただし、R5は水素原子ではない、請求項1~6のいずれか一項に記載の化合物又はその製薬学的に許容される塩。
- R4B及びR7が、水素原子である、
請求項1~7のいずれか一項に記載の化合物又はその製薬学的に許容される塩。 - X-Y-Zが、N-CO-NR4AR4Bである、
請求項1~8のいずれか一項に記載の化合物又はその製薬学的に許容される塩。 - X-Y-Zが、N-COR5である、
請求項1~8のいずれか一項に記載の化合物又はその製薬学的に許容される塩。 - X-Y-Zが、CR6-CO-NR4AR4Bである、
請求項1~8のいずれか一項に記載の化合物又はその製薬学的に許容される塩。 - 以下の化合物から選択される、項1に記載の化合物又はその製薬学的に許容される塩:
N-シクロヘキシル-4-[4-(3-フルオロフェニル)-1H-イミダゾール-1-イル]ピペリジン-1-カルボキサミド(実施例1)、
1-{1-[(4,4-ジフルオロシクロヘキシル)カルボニル]ピペリジン-4-イル}-4-フェニル-1H-イミダゾール-5-カルボニトリル(実施例7)、
N-シクロヘキシル-4-[4-(2-フルオロフェニル)-1H-イミダゾール-1-イル]ピペリジン-1-カルボキサミド(実施例66)、
4-{5-クロロ-4-[3-(トリフルオロメチル)フェニル]-1H-イミダゾール-1-イル]-N-(テトラヒドロ-2H-ピラン-4-イル)ピペリジン-1-カルボキサミド(実施例94)、
N-(4,4-ジフルオロシクロヘキシル)-4-(5-メチル-4-フェニル-1H-イミダゾール-1-イル)ピペリジン-1-カルボキサミド(実施例105)、
1-{1-[(4,4-ジフルオロシクロヘキシル)カルボニル]ピペリジン-4-イル}-4-(4-フルオロフェニル)-1H-イミダゾール-5-カルボニトリル(実施例154)、
1-{1-[(4,4-ジフルオロシクロヘキシル)カルボニル]ピペリジン-4-イル}-4-(2-フルオロフェニル)-1H-イミダゾール-5-カルボニトリル(実施例156)、
N-{シス-4-[5-クロロ-4-(4-フルオロフェニル)-1H-イミダゾール-1-イル]シクロヘキシル}-2-フルオロ-2-メチルプロパンアミド(実施例183)、
N-[シス-4-(5-シアノ-4-フェニル-1H-イミダゾール-1-イル)シクロヘキシル]-2-フルオロ-2-メチルプロパンアミド(実施例197)、
N-(シス-4-{5-シアノ-4-[4-(トリフルオロメチル)フェニル]-1H-イミダゾール-1-イル}シクロヘキシル)-2-フルオロ-2-メチルプロパンアミド(実施例201)、
シス-4-{5-クロロ-4-[4-(トリフルオロメチル)フェニル]-1H-イミダゾール-1-イル}-N-(テトラヒドロ-2H-ピラン-4-イル)シクロヘキサンカルボキサミド(実施例224)、
N-{シス-4-[4-(4-クロロフェニル)-1H-イミダゾール-1-イル]シクロヘキシル}-2-フルオロ-2-メチルプロパンアミド(実施例280)、
N-{シス-4-[4-(4-クロロ-2-フルオロフェニル)-1H-イミダゾール-1-イル]シクロヘキシル}-2-フルオロ-2-メチルプロパンアミド(実施例283)、
N-{シス-4-[4-(2,4-ジフルオロフェニル)-1H-イミダゾール-1-イル]シクロヘキシル}-2-フルオロ-2-メチルプロパンアミド(実施例300)、
N-{シス-4-[5-シアノ-4-(4-フルオロフェニル)-1H-イミダゾール-1-イル]シクロヘキシル}-2-フルオロ-2-メチルプロパンアミド(実施例332)、
シス-4-[5-クロロ-4-(3,4-ジフルオロフェニル)-1H-イミダゾール-1-イル]-N-(テトラヒドロ-2H-ピラン-4-イル)シクロヘキサンカルボキサミド(実施例370)、及び、
{(3-エキソ)-3-[5-クロロ-4-(4-フルオロフェニル)-1H-イミダゾール-1-イル]-8-アザビシクロ[3.2.1]オクタ-8-イル}(4,4-ジフルオロシクロヘキシル)メタノン(実施例452)。 - 以下の化合物から選択される、項1に記載の化合物又はその製薬学的に許容される塩:
N-シクロヘキシル-4-[4-(3-フルオロフェニル)-1H-イミダゾール-1-イル]ピペリジン-1-カルボキサミド(実施例1)、
1-{1-[(4,4-ジフルオロシクロヘキシル)カルボニル]ピペリジン-4-イル}-4-フェニル-1H-イミダゾール-5-カルボニトリル(実施例7)、
N-シクロヘキシル-4-[4-(2-フルオロフェニル)-1H-イミダゾール-1-イル]ピペリジン-1-カルボキサミド(実施例66)、
1-{1-[(4,4-ジフルオロシクロヘキシル)カルボニル]ピペリジン-4-イル}-4-(4-フルオロフェニル)-1H-イミダゾール-5-カルボニトリル(実施例154)、
N-{シス-4-[5-クロロ-4-(4-フルオロフェニル)-1H-イミダゾール-1-イル]シクロヘキシル}-2-フルオロ-2-メチルプロパンアミド(実施例183)、
シス-4-[5-クロロ-4-(3,4-ジフルオロフェニル)-1H-イミダゾール-1-イル]-N-(テトラヒドロ-2H-ピラン-4-イル)シクロヘキサンカルボキサミド(実施例370)、及び、
{(3-エキソ)-3-[5-クロロ-4-(4-フルオロフェニル)-1H-イミダゾール-1-イル]-8-アザビシクロ[3.2.1]オクタ-8-イル}(4,4-ジフルオロシクロヘキシル)メタノン(実施例452)。 - 請求項1~13のいずれか一項に記載の化合物又はそれらの製薬学的に許容される塩を含有する医薬組成物。
- 請求項1~13のいずれか一項に記載の化合物又はそれらの製薬学的に許容される塩を有効成分とする、アセチルコリンが関与する細胞内シグナル伝達の異常に起因する疾患の治療剤。
- アセチルコリンが関与する細胞内シグナル伝達の異常に起因する疾患が、CIAS(統合失調症に伴う認知機能障害)、アルツハイマー病、ダウン症、認知障害、軽度認知障害、記憶障害・学習障害、注意欠陥・多動性障害又は脳血管アンギオパチーである、請求項15に記載の治療剤。
- 請求項1~13のいずれか一項に記載の化合物又はそれらの製薬学的に許容される塩と、非定型抗精神病薬から選択される少なくとも1種以上の薬剤とを組み合わせてなる医薬。
- 治療が必要な患者に、治療上の有効量の請求項1~13のいずれか1項に記載の化合物又はその製薬学的に許容される塩を投与することを特徴とする、アセチルコリンが関与する細胞内シグナル伝達の異常に起因する疾患の治療方法。
- アセチルコリンが関与する細胞内シグナル伝達の異常に起因する疾患の治療剤を製造するための請求項1~13のいずれか1項に記載の化合物又はその製薬学的に許容される塩の使用。
- アセチルコリンが関与する細胞内シグナル伝達の異常に起因する疾患の治療に使用する、請求項1~13のいずれか1項に記載の化合物又はその製薬学的に許容される塩を含む医薬組成物。
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US14/432,795 US20150259344A1 (en) | 2012-10-02 | 2013-10-01 | Imidazole derivative |
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AU2013325615A AU2013325615A1 (en) | 2012-10-02 | 2013-10-01 | Imidazole derivative |
KR1020157010179A KR20150064098A (ko) | 2012-10-02 | 2013-10-01 | 이미다졸 유도체 |
EP13844175.3A EP2905279A4 (en) | 2012-10-02 | 2013-10-01 | imidazole |
CA 2886010 CA2886010A1 (en) | 2012-10-02 | 2013-10-01 | Imidazole derivative |
CN201380062787.8A CN104837820A (zh) | 2012-10-02 | 2013-10-01 | 咪唑衍生物 |
RU2015116816A RU2015116816A (ru) | 2012-10-02 | 2013-10-01 | Производное имидазола |
JP2014539761A JPWO2014054635A1 (ja) | 2012-10-02 | 2013-10-01 | イミダゾール誘導体 |
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EP (1) | EP2905279A4 (ja) |
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CA (1) | CA2886010A1 (ja) |
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WO2015152254A1 (ja) * | 2014-04-01 | 2015-10-08 | 大日本住友製薬株式会社 | 5員環ヘテロアリール誘導体 |
US9688670B2 (en) | 2015-09-11 | 2017-06-27 | Sumitomo Dainippon Pharma Co., Ltd. | Benzimidazole compounds and medical uses thereof |
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CR20200054A (es) | 2017-08-09 | 2020-03-21 | Denali Therapeutics Inc | Compuestos, composiciones y métodos |
WO2019212927A1 (en) | 2018-05-01 | 2019-11-07 | Merck Sharp & Dohme Corp. | Spiropiperidine allosteric modulators of nicotinic acetylcholine receptors |
MA54953A (fr) | 2019-02-13 | 2021-12-22 | Denali Therapeutics Inc | Composés, compositions et procédés |
US20220177456A1 (en) * | 2019-03-06 | 2022-06-09 | Denali Therapeutics Inc. | Compounds, compositions and methods |
BR112021021703A2 (pt) | 2019-04-30 | 2022-04-19 | Abbvie Inc | Cicloalquilas substituídas como moduladores da via de estresse integrada |
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WO2015152253A1 (ja) * | 2014-04-01 | 2015-10-08 | 大日本住友製薬株式会社 | 4-アリールイミダゾール誘導体 |
WO2015152254A1 (ja) * | 2014-04-01 | 2015-10-08 | 大日本住友製薬株式会社 | 5員環ヘテロアリール誘導体 |
US9688670B2 (en) | 2015-09-11 | 2017-06-27 | Sumitomo Dainippon Pharma Co., Ltd. | Benzimidazole compounds and medical uses thereof |
US10407395B2 (en) | 2015-09-11 | 2019-09-10 | Sumitomo Dainippon Pharma Co., Ltd. | Benzimidazole compound and medical use thereof |
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