7-chloro-2-[[1-carboxy-4-(diethylamino)butylidene]hydrazino]-5-phenyl-3H-1,4-benzodiazepine 、
重氮甲烷 在
氮 作用下,
以
二氯甲烷 为溶剂,
反应 0.5h,
以giving 7-chloro-2-[[1-(methoxycarbonyl)-4-(diethylamino)-butylidene]hydrazino]-5-phenyl-3H-1,4-benzodiazepine as an oil的产率得到2-(7-chloro-5-phenyl-3
H-benzo[
e][1,4]diazepin-2-ylhydrazono)-5-diethylamino-pentanoic acid methyl ester