| abstract |
Isoquinolone or phthalazinone derivs. of formula (I) and their salts are new. X=CH or N; R1=opt. substd. 1-6C alkyl, aryl(1-6C)alkyl, aryl or heterocyclyl, but not unsubstd. alkyl when X=N; R2 and R3=H, 1-6C alkyl, 1-6C alkoxy, 1-6C alkylthio, halogen, NO2, OH, CF3, CN, SO3H, 1-6C alkylsulphonyl, COOH, 2-7C alkoxycarbonyl, acetamido, benzamido or NR6R7; m and n=0-4; R6 and R7=H or 1-6C alkyl. |