ethyl 6-(2,4-dichlorophenyl)-9,9-dimethyl-7-oxo-6,8,10,11-tetrahydro-5H-benzo[b][1,4]benzodiazepine-4-carboxylate 、
乙酸酐 反应 4.0h,
以100%的产率得到Ethyl 5-acetyl-6-(2,4-dichlorophenyl)-9,9-dimethyl-7-oxo-6,8,10,11-tetrahydrobenzo[b][1,4]benzodiazepine-4-carboxylate