Patent ID: 6492413
Filing Date: 2002-12-10
Classification: A61K,A61P,C07D

Abstract:
A compound of the formula or a pharmaceutically acceptable salt thereof whereinR1 is hydrido or C1-C6 alkyl R2 is aryl optionally substituted at a substitutable position with halo, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 alkylthio, C1-C6 alkylsulfinyl, C1-C6 alkylsulfonyl, nitro, amide, amino, C1-C6 alkylamino, sulfamyl, or C1-C6 alkylsulfonylamino; R3 is aryl substituted with C1-C6 alkylsulfonyl or sulfamyl; and X1 and X2 independently represent hydrogen, C1-C6 alkoxy or âˆ’C(O)ZR4 where Z is O, N, or S, and R4 is hydrido, C1-C6 alkyl, or aryl, and when Z is N, R4 is taken twice, and provided that not more than one of X1 and X2 is hydrogen.