2-{1-[2-chloro-4-(2-hydroxyethoxy)benzoyl]-3-oxo-1,2,3,5-tetrahydrobenzo[e]-1,4-diazepin-4-yl}-N-hydroxyacetamidine 、
乙酰氯 在
ice 、 silica gel 、
甲醇乙酸乙酯 作用下,
以
吡啶 为溶剂,
反应 12.0h,
以to give 2-{4-[4-(2-acetoxyimino-2-acetylamino-ethyl)-3-oxo-2,3,4,5-tetrahydrobenzo[e]-1,4-diazepine-1-carbonyl]-3-chlorophenoxy}ethyl acetate (33.1 mg)的产率得到2-{4-{4-(2-acetoxyimino-2-acetylaminoethyl)-3-oxo-2,3,4,5-tetrahydrobenzo[e]-1,4-diazepine-1-carbonyl}-3-chlorophenoxy}ethyl acetate