Patent ID: 7928126

Claim:
A cyanopyridine compound represented by the formula (I) wherein R 1 , R 1 ′, R 3 , R 3 ′ and R 5 are each a hydrogen atom, a halogen atom or alkyl optionally substituted with substituent(s) selected from the group consisting of a halogen atom, C 1-6 alkyl, haloalkyl, cyano, nitro, hydroxy, C 1-6 alkoxy, mercapto, C 1-6 alkylthio, amino and C 1-6 alkylamino, R 2 is a hydrogen atom, a hydroxyl group, alkyl optionally substituted with substituent(s) selected from the group consisting of a halogen atom, C 1-6 alkyl, haloalkyl, cyano, nitro, hydroxy, C 1-6 alkoxy, mercapto, C 1-6 alkylthio, amino and C 1-6 alkylamino, alkoxy, hydroxyalkyl, alkylthio, carbamoyl, alkanoylamino or amine, R 2 ′ is a hydrogen atom or alkyl optionally substituted with substituent(s) selected from the group consisting of a halogen atom, C 1-6 alkyl, haloalkyl, cyano, nitro, hydroxy, C 1-6 alkoxy, mercapto, C 1-6 alkylthio, amino and C 1-6 alkylamino, Y is N—R A or S, R A is a hydrogen atom or alkyl optionally substituted with substituent(s) selected from the group consisting of a halogen atom, C 1-6 alkyl, haloalkyl, cyano, nitro, hydroxy, C 1-6 alkoxy, mercapto, C 1-6 alkylthio, amino and C 1-6 alkylamino, A is 3-pyridyl optionally substituted with substituent(s) selected from the group consisting of a halogen atom, C 1-6 alkyl, haloalkyl, cyano, nitro, hydroxy, C 1-6 alkoxy, mercapto, C 1-6 alkylthio, amino, C 1-6 alkylamino, C 2-6 alkanoylamino, C 1-6 alkanesulfonylamino, 5- to 7-membered cyclic compound, carboxyl, carbamoyl and alkylcarbonyl, R x is -T-R 4 , T is a valence bond or a C 1-4 alkylene chain, and R 4 is —R, a halogen atom, —OR or —NR 2 wherein R is a hydrogen atom, alkyl optionally substituted with substituent(s) selected from the group consisting of a halogen atom, C 1-6 alkyl, haloalkyl, cyano, nitro, hydroxy, C 1-6 alkoxy, mercapto, C 1-6 alkylthio, amino and C 1-6 alkylamino, or aryl optionally substituted with substituent(s) selected from the group consisting of a halogen atom, C 1-6 alkyl, haloalkyl, cyano, nitro, hydroxy, C 1-6 alkoxy, mercapto, C 1-6 alkylthio, amino, C 1-6 alkylamino, C 2-6 alkanoylamino, C 1-6 alkanesulfonylamino, 5- to 7-membered cyclic compound, carboxyl, carbamoyl and alkylcarbonyl, or a pharmaceutically acceptable salt thereof.