Pyrrolo[2,1-c][1,4]benzodiazepines : A mild conversion of thiolactam into amidine.
摘要:
Reaction of 2-hydroxy pyrrolo [2.1-c][1,4]benzodiazepines-5-one-11-thione or 5,11-dithiones with ammonia in presence of mercuric chloride affords new amidines in high yield.