Indoline compounds for synthesis of pharmaceutically active pyrrolobenzimidazoles

摘要

The present invention provides Indolines of the formula: <IMAGE> (II) <IMAGE> (III) ps useful to provide pharmaceutically active pyrrolobenzimidazoles or tautomers thereof, of the formula: <IMAGE> (I) These compounds are useful for treating heart or circulatory diseases, especially those which respond to a change of blood pressure, an increase in cardiac output and/or a change in micro-circulation.