Patent ID: 8188102
Filing Date: 2012-05-29
Classification: A61P,C07D

Abstract:
1. A compound of formula (I) or a pharmaceutically acceptable salt thereof: wherein, A is R 4 , R 5 , R 6 and R 7 being each independently hydrogen, halogen, N—C 1-6 alkyl or N-hydroxy amido or C—C 1-6 alkyl reverse amido(—NHCOC 1-6 ), hydroxycarbonyl (—COOH), C 1-6 alkyloxycarbonyl (—COOC 1-6 ), C 1-6 alkyl, or C 1-6 alkyl substituted with a hydroxy, C 1-6 dialkylamine or 5- or 6-membered heterocyclic group having at least one selected from the group consisting of N, O and S, wherein the 5- or 6-membered heterocyclic group is unsubstituted or substituted with C 1-4 alkyl; R R R n and when n b is 0, said in which: X is hydrogen, halogen, hydroxy, cyano, nitro, (mono-, di-, or trihalogeno)methyl, mercapto, C Y is hydroxy or C Z is hydroxy, C