正丁基锂 、
7-chloro-5,6-dihydro-5-methyl-6-oxo-4H-imidazo[1,5-a][1,4]benzodiazepine-3-carboxaldehyde 在
乙基三苯基溴化膦 silica gel 、 cyclohexane ether isopropanol 、
ethyl acetate n-hexane 、
乙腈 作用下,
以
四氢呋喃 、
正己烷 为溶剂,
反应 3.17h,
以There was obtained 7-chloro-4,5-dihydro-5-methyl-3-[(Z)-propenyl]-6H-imidazo[1,5-a][1,4]benzodiazepin-6-one of melting point 169.5°-170.5° (from ethyl acetate/hexane) and 7-chloro-4,5-dihydro-5-methyl-3-[(E)-propenyl]-6H-imidazo[1,5-a][1,4] benzodiazepin-6-one of melting point 200°-201° (from acetonitrile)的产率得到7-chloro-4,5-dihydro-5-methyl-3-[(Z)-propenyl]-6H-imidazo[1,5-a][1,4]benzodiazepin-6-one