{2-Benzyloxycarbonylamino-2-[5-chloro-2-(2-phenylcarbamoyl-acetyl)-phenylcarbamoyl]-acetylamino}-acetic acid benzyl ester 在
氢溴酸 、
溶剂黄146 作用下,
以
二氯甲烷 为溶剂,
以30%的产率得到({8-Chloro-2-oxo-5-[1-phenylcarbamoyl-meth-(Z)-ylidene]-2,3,4,5-tetrahydro-1H-benzo[e][1,4]diazepine-3-carbonyl}-amino)-acetic acid benzyl ester