Patent ID: 6537986
Filing Date: 2003-03-25
Classification: C07D

Abstract:
A compound of the formula I or a pharmaceutical acceptable salt thereof wherein: R1 is a) H, b) NH2, c) NHC1-4alkyl, d) C1-4 alkyl, e) â€”OC1-4 alkyl, f) â€”SC1-4 alkyl, g) C1-4 alkyl substituted with one to three fluoro, one to two chloro, CN or â€”COOC1-4 alkyl, h) C3-6cycloalkyl, i) N(C1-4alkyl)2, or j) N(CH2)2-5; R23 and R24 are independently a) H, b) F, c) Cl, d) C1-2alkyl, e) CN, f) OH, g) C1-2alkoxy, h) nitro, or i) amino; Z2 is a) â€”O2Sâ€”, b) â€”Oâ€”, c) â€”OSâ€”, or d) â€”Sâ€”; and w is 2.