FOERFARANDE FOER FRAMSTAELLNING AV FARMAKOLOGISKT AKTIVA 2-PYRIDYLSUBSTITUERADE 6,7-DIHYDRO-3H,5H-PYRROLO/ 2,3-F/BENTSIMIDAZOL-6-ONER OCH -6-TIONER.

摘要

Pyrrolobenzimidazoles, processes for the preparation thereof and pharmaceutical compositions thereof for the treatment of coronary insufficiencies, cardiac failure, blood circulatory disturbances and occlusive diseases. The new pyrrolobenzimidazoles are of the formula (I) wherein R1 is hydrogen, alkyl, alkenyl or cycloalkyl, R2 is hydrogen, alkyl, alkenyl, cyano or a substituted carbonyl or R1 and R2 together represent cycloalkylene or form alkylidene or cycloalkylidene, X is a valency bond, C1-C4 alkylene or vinylene, T is oxygen or sulphur and Py is pyridyl or substituted pyridyl and including the tautomers thereof and the physiologically acceptable salts thereof.