Patent number: 8093389
Abstract: The invention relates to a compound of a general formula (I): wherein Ar1 represents a group formed from an aromatic ring selected from a group consisting of indole, 1H-indazole, 2H-indazole, 1H-thieno[2,3-c]pyrazole, 1H-pyrazolo[3,4-b]pyridine, benzo[b]furan, benzimidazole, benzoxazole, 1,2-benzisoxazole and imidazo[1,2-a]pyridine; R1 and R2 each represent a hydrogen atom, a halogen atom, a cyano group, a C2-C6 alkenyl group, a C1-C6 alkoxy group, a halo-C1-C6 alkoxy group, a cyclo-C3-C6 alkyloxy group, a C2-C7 alkanoyl group, a halo-C2-C7 alkanoyl group, a C2-C7 alkoxycarbonyl group, a halo-C2-C7 alkoxycarbonyl group, a cyclo-C3-C6 alkyloxycarbonyl group, an aralkyloxycarbonyl group, a carbamoyl-C1-C6 alkoxy group, a carboxy-C2-C6 alkenyl group, or a group of -Q1-N(Ra)-Q2-Rb; an optionally-substituted C1-C6 alkyl, aryl or heterocyclic group; or a C1-C6 alkyl or C2-C6 alkenyl group having the aryl or heterocyclic group; R3 and R4 each represent a hydrogen atom, a halogen atom, a nitro group, a cyclo-C3-C
Type:
Grant
Filed:
January 8, 2008
Date of Patent:
January 10, 2012
Assignees:
Merck Sharp & Dohme Corp., MSD K.K.
Inventors:
Tomoharu Iino, Hideki Jona, Jun Shibata, Tadashi Shimamura, Takeru Yamakawa, Lihu Yang