(R,S)-1-methyl-3-[7,8-dimethoxy-4-methyl-1-(4-nitrophenyl)-4,5-dihydro-3H-[2,3]benzodiazepine-3-carbothioyl]-urea 在
溴 作用下,
以
氯仿 为溶剂,
反应 1.0h,
生成 5-(7,8-dimethoxy-4-methyl-1-(4-nitrophenyl)-4,5-dihydro-3H-benzo[d][1,2]diazepin-3-yl)-2-methyl-1,2,4-thiadiazol-3(2H)-one