THIOPHENE RING-SUBTITUTED .alpha.-(ALKYLAMINOPROPIONYL)- THIOPHENE DERIVATIVES AND PROCESS FOR THEIR PRODUCTION

摘要

The invention relates to thiophene ring-substitutsd .alpha.-(alkylaminopropionyl)-thiophene derivatives having the general formula (I): (I) wherein X is methyl or chlorine, R is alkyl, linear or branched, having 3 to 4 carbon atoms, and the nontoxic addition salts thereof, as well as to a process for preparing these compounds and to pharmaceutical compositions containing these compounds. These compounds are useful for treating depressions.