methyl 2-chloro-2-(4-methylphenyl-hydrazono)acetate 、
2-methyl-4-[(S)-2,3,3-trimethyl-2-butyl]-1,4-benzodiazepin-5(3H)-one 在
三乙胺 作用下,
以
氯仿 为溶剂,
反应 7.0h,
以22%的产率得到methyl (3aS)-5-[(2S)-3,3-dimethylbutan-2-yl]-3a-methyl-3-(4-methylphenyl)-6-oxo-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepine-1-carboxylate