(+/-)-6-(4-nitrophenyl)-3-bromo-12a-methyl-12,12a-dihydro-(1,2,4)-oxadiazolo[4,5-c][1,3]dioxolo[4,5-h][2,3]benzodiazepine 在
tin(ll) chloride 作用下,
以
甲醇 为溶剂,
反应 4.0h,
以68%的产率得到(+/-)-6-(4-aminophenyl)-3-bromo-12a-methyl-12,12a-dihydro-(1,2,4)-oxadiazolo[4,5-c][1,3]dioxolo[4,5-h][2,3]benzodiazepine