Patent ID: 7544688
Filing Date: 2009-06-09
Classification: A61P,C07D

Abstract:
1. A compound of formula IV, or a pharmaceutically acceptable salt thereof in which R is H, —R2, —OR2 or NR1R2, wherein R1 is H, lower alkyl or C R2 is lower alkyl or C wherein R1 and R2 are independently, optionally substituted by halo, hydroxy, lower alkoxy, CN, NO R8′ is optionally substituted aryl-lower alkyl wherein R8′ is optionally substituted by R10 which represents from 1 to 4 substitutents selected from halo, hydroxy, CN, NO wherein R10 is optionally substituted by R11 which represents from 1 to 4 substituents selected from halo, hydroxy, CN, NO wherein R11 is optionally substituted by R12 which represents from 1 to 4 substituents selected from halo, hydroxy, CN, NO and wherein R9 is H or optionally substituted lower alkyl, and wherein R9 is optionally substituted by halo, hydroxy, oxo, lower alkoxy, CN, NO