methyl (R,S)-8-carboxy-1,2,4,5-tetrahydro-3-oxo-4-(2-phenylethyl)-3H-1,4-benzodiazepine-2-acetate 在
氯化亚砜 作用下,
以
二氯甲烷 为溶剂,
生成
methyl (R,S)-8-chlorocarbonyl-1,2,4,5-tetrahydro-3-oxo-4-(2-phenylethyl)-3H-1,4-benzodiazepine-2-acetate hydrochloride 、 (R,S)-8-[[[4-(aminoiminoethyl)phenyl]amino]carbonyl]-1,2,4,5-tetrahydro-3-oxo-4-(2-phenylethyl)-3H-1,4-benzodiazepine-2-acetic acid, dihydrochloride