Thiophene derivatives and their preparation

摘要

Thiophene derivatives of the formula <IMAGE> WHEREIN Rx is -S-CHR5-COOH or -S-CH2-CH2-OH, Ry is 1-2 of halogen alkoxy of 1-6 carbon atoms, aralkyl of 7-10 carbon atoms, phenyl, halophenyl or alkylcarbonyl of 1-6 carbon atoms in the alkyl group, and R5 is a hydrogen atom, when Ry is a halogen atom, when R5 is alkyl, their enantiomers, and their pharmacologically acceptable salts thereof with bases, possess antilipolytic activity.