THIENYLBENZOIC ACID DERIVATIVES AND PROCESS FOR THEIR PREPARATION

摘要

HOE 78/F 249 THIENYLBENZOIC ACID DERIVATIVES AND PROCESS FOR THEIR PREPARATION of the disclosure: The invention provides thienylbenzoic acid derivatives of the formula I (I) in which R1 is an alkyl radical having from 1 to 3 carbon atoms, a phenyl, thienyl or furyl radical optionally substituted by halogen, CF3, CH3 or OCH3; R2 is hydrogen, halogen or CH3; R3 is hydrogen or alkyl having from 1 to 4 carbon atoms or benzyl; and n is 1 ox 2; and the pharmaceutically tolerable salts thereof with acids or bases.