(S)-8-chloro-11,12,13,13a-tetrahydro-1-(hydroxymethyl)-9H-imidazo[1,5-a]pyrrolo[2,1-c][1,4]benzodiazepin-9-one 在
manganese dioxide
二氯甲烷 、
ethyl acetate dichloromethane 作用下,
以
二氯甲烷 为溶剂,
反应 1.5h,
以is obtained (S)-8-chloro-11,12,13,13a-tetrahydro-9-oxo-9H-imidazo [1,5-a]pyrrolo[2,1-c][1,4]benzodiazepine-1-carboxaldehyde of melting point 224°-225°的产率得到(S)-8-chloro-11,12,13,13a-tetrahydro-9-oxo-9H-imidazo[1,5-a]pyrrolo[2,1-c][1,4]benzodiazepine-1-carboxaldehyde