P2X4 receptor antagonist

Patent metadata

Field	Value
Publication number	US-12116351-B2
Application number	US-202217871201-A
Country	US
Kind code	B2
Filing date	Jul 22, 2022
Priority date	Jan 13, 2012
Publication date	Oct 15, 2024
Grant date	Oct 15, 2024

Abstract

The present invention relates to a diazepine derivative represented by the following general formula (I) (in the formula, R 1 and R 2 represent hydrogen atom and the like, or R 1 and R 2 bind together to form a naphthalene ring and the like together with the benzene ring to which they bind, R 3 and R 4 represent hydrogen atom and the like, R 5 represents hydrogen atom and the like, R 6 and R 7 represent hydrogen atom and the like, X represents C, CH or N, Y represents N, NH or C(═O), provided that when X is N, Y is not N or NH, and when X is C or CH, Y is not C(═O), Z represents oxygen atom or sulfur atom, A represents benzene ring and the like, B represents NHC(═O) and the like, D represents an atomic bond and the like, E represents an atomic bond and the like, G represents benzene which may be substituted and the like, and m represents an integer of 0 to 5) or a pharmacologically acceptable salt thereof, and a P2X4 receptor antagonist.

First claim

The invention claimed is:

1. A method of treating pain comprising administering a therapeutically effective amount of a compound having the following formula (II), or a pharmacologically acceptable salt thereof, to a subject in need thereof:

wherein,
R 1 and R 2 may be the same or different, and represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, a cycloalkyl group having 3 to 8 carbon atoms, an alkenyl group having 2 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, an alkyl group having 1 to 8 carbon atoms and substituted with 1 to 3 halogen atoms, an alkoxy group having 1 to 8 carbon atoms and substituted with 1 to 3 halogen atoms, a halogen atom, a hydroxyl group, a nitro group, a cyano group, an amino group, an alkylamino group having 1 to 8 carbon atoms, a dialkylamino group having 2 to 8 carbon atoms, a carboxamido group having 2 to 8 carbon atoms, a carboxyl group, an alkanoyl group having 2 to 8 carbon atoms, an alkoxycarbonyl group which has 1 to 8 carbon atoms in the alkoxy moiety, a phenyl group which may be substituted, a pyridyl group which may be substituted, or an aralkyl group which has 6 to 10 carbon atoms in the aryl moiety and 1 to 8 carbon atoms in the alkylene moiety, wherein the substituents on the phenyl group which may be substituted and the pyridyl group which may be substituted are a halogen atom, an alkyl group having 1 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, an alkyl group having 1 to 8 carbon atoms and substituted with 1 to 3 halogen atoms, or an alkoxy group having 1 to 8 carbon atoms and substituted with 1 to 3 halogen atoms,
or
R 1 and R 2 may bind together to form a condensed ring selected from naphthalene ring, quinoline ring, isoquinoline ring, tetrahydronaphthalene ring, indane ring, tetrahydroquinoline ring, and tetrahydroisoquinoline ring together with the benzene ring to which they bind, and the ring constituted by R 1 and R 2 , bound to each other, together with the carbon atoms to which R 1 and R 2 bind may be substituted with 1 to 4 of the same or different substituents selected from an alkyl group having 1 to 8 carbon atoms, a cycloalkyl group having 3 to 8 carbon atoms, an alkenyl group having 2 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, an alkyl group having 1 to 8 carbon atoms and substituted with 1 to 3 halogen atoms, an alkoxy group having 1 to 8 carbon atoms and substituted with 1 to 3 halogen atoms, a halogen atom, a hydroxyl group, a nitro group, a cyano group, an amino group, an alkylamino group having 1 to 8 carbon atoms, a dialkylamino group having 2 to 8 carbon atoms, a carboxamido group having 2 to 8 carbon atoms, a carboxyl group, an alkanoyl group having 2 to 8 carbon atoms, an alkoxycarbonyl group which has 1 to 8 carbon atoms in the alkoxy moiety, or an aralkyl group which has 6 to 10 carbon atoms in the aryl moiety and 1 to 8 carbon atoms in the alkylene moiety,
R 3 and R 4 may be the same or different, and represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an alkenyl group having 2 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, an alkyl group having 1 to 8 carbon atoms and substituted with 1 to 3 halogen atoms, an alkoxy group having 1 to 8 carbon atoms and substituted with 1 to 3 halogen atoms, a halogen atom, a hydroxyl group, a nitro group, a cyano group, an amino group, an alkylamino group having 1 to 8 carbon atoms, a dialkylamino group having 2 to 8 carbon atoms, a carboxamido group having 2 to 8 carbon atoms, carboxyl group, an alkanoyl group having 2 to 8 carbon atoms, an alkoxycarbonyl group which has 1 to 8 carbon atoms in the alkoxy moiety, or an aralkyl group which has 6 to 10 carbon atoms in the aryl moiety and 1 to 8 carbon atoms in the alkylene moiety,
R 5 represents a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an alkenyl group having 2 to 8 carbon atoms, an alkyl group having 1 to 8 carbon atoms and substituted with 1 to 3 halogen atoms, an alkyl group having 1 to 8 carbon atoms and substituted with hydroxyl group, or an aralkyl group which has 6 to 10 carbon atoms in the aryl moiety and 1 to 8 carbon atoms in the alkylene moiety,
R 6 and R 7 may be the same or different, and represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an alkenyl group having 2 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, an alkyl group having 1 to 8 carbon atoms and substituted with 1 to 3 halogen atoms, an alkoxy group having 1 to 8 carbon atoms and substituted with 1 to 3 halogen atoms, a halogen atom, a hydroxyl group, or an amino group,
A represents a phenylene group, which may have 1 to 4 of the same or different substituents selected from an alkyl group having 1 to 8 carbon atoms, an alkenyl group having 2 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, an alkyl group having 1 to 8 carbon atoms and substituted with 1 to 3 halogen atoms, an alkoxy group having 1 to 8 carbon atoms and substituted with 1 to 3 halogen atoms, a halogen atom, a hydroxyl group, a nitro group, a cyano group, an amino group, an alkylamino group having 1 to 8 carbon atoms, a dialkylamino group having 2 to 8 carbon atoms, an aralkyl group which has 6 to 10 carbon atoms in the aryl moiety and 1 to 8 carbon atoms in the alkylene moiety, a phenyl group, and a pyridyl group, as a substituent,
B represents NHCONH, CON(R 8 ), NHC(═S)NH, N(R 9 )SO 2 , SO 2 N(R 10 ), or OSO 2 , wherein R 8 , R 9 , and R 10 independently represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an alkyl group having 1 to 8 carbon atoms and substituted with 1 to 3 halogen atoms, an alkyl group having 1 to 8 carbon atoms and substituted with hydroxyl group, or an aralkyl group which has 6 to 10 carbon atoms in the aryl moiety and 1 to 8 carbon atoms in the alkylene moiety,
D represents an alkylene chain having 1 to 6 carbon atoms, which may have 1 to 4 of the same or different substituents selected from an alkyl group having 1 to 8 carbon atoms, an alkenyl group having 2 to 8 carbon atoms, an alkyl group having 1 to 8 carbon atoms and substituted with 1 to 3 halogen atoms, an alkyl group having 1 to 8 carbon atoms and substituted with hydroxyl group, and an aralkyl group in which the aryl moiety has 6 to 10 carbon atoms and the alkylene moiety has 1 to 8 carbon atoms, as a substituent, and may further have a double bond, or represents an atomic bond,
E represents O, or an atomic bond,
G represents a piperazine, a piperidine, a morpholine, a cyclohexane, a benzene, a naphthalene, a quinoline, a quinoxaline, a benzimidazole, a thiophene, an imidazole, a thiazole, an oxazole, an indole, a benzofuran, a pyrrole, a pyridine, or a pyrimidine, any of which may have 1 to 4 of the same or different substituents selected from an alkyl group having 1 to 8 carbon atoms, an alkenyl group having 2 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, an alkyl group having 1 to 8 carbon atoms and substituted with 1 to 3 halogen atoms, an alkoxy group having 1 to 8 carbon atoms and substituted with 1 to 3 halogen atoms, a halogen atom, a hydroxyl group, a nitro group, a cyano group, an amino group, an alkylamino group having 1 to 8 carbon atoms, a dialkylamino group having 2 to 8 carbon atoms, an alkanoyl group having 2 to 8 carbon atoms, a methylenedioxy group, a carboxyl group, an alkylsulfinyl group having 1 to 6 carbon atoms, an alkylthio group having 1 to 6 carbon atoms, an alkylsulfonyl group having 1 to 6 carbon atoms, an aralkyl group which has 6 to 10 carbon atoms in the aryl moiety and 1 to 8 carbon atoms in the alkylene moiety, a phenyl group which may be substituted, a pyridyl group which may be substituted, an imidaz

Assignees

• Nippon Chemiphar Co

Inventors

• Ushioda Masatoshi
• Kobayashi Kunio
• Saito Daisuke
• Sakuma Shogo
• Imai Toshiyasu
• Inoue Kazuhide

Classifications

• C07D471/04

  Ortho-condensed systems · CPC title

• C07D413/12

  linked by a chain containing hetero atoms as chain links · CPC title

• C07D401/04

  directly linked by a ring-member-to-ring-member bond · CPC title

• C07D409/12

  linked by a chain containing hetero atoms as chain links · CPC title

• C07D243/12 Primary

  1,5-Benzodiazepines; Hydrogenated 1,5-benzodiazepines · CPC title