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 <IMAGE> (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.
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