(±)-7,8-dimethoxy-4-methyl-1-[4-(4-methylpiperazin-1-yl)phenyl]-4,5-dihydro-3H-2,3-benzodiazepine 、
氯甲酸甲酯 以
二氯甲烷 为溶剂,
反应 1.0h,
以52%的产率得到methyl(+/-)-7,8-dimethoxy-4-methyl-1-[4-(4-methylpiperazin-1-yl)phenyl]-4,5-dihydro-3H-2,3-benzodiazepine-3-carboxylate