5-氯靛红酸酐 、
(S)-(-)-2-羧基环丁胺 在
氩 、
甲醇 作用下,
以
acetic acid N,N-dimethylformamide 为溶剂,
反应 64.5h,
以There were obtained 61.3 g (86%) of (S)-6-chloro-1,2,4,9,10,10a-hexahydro-azeto[2,1-c][1,4]benzodiazepine-4,10-dione of m.p. 229°-231° (dec.)的产率得到(S)-6-chloro-1,2,4,9,10,10a-hexahydro-azeto[2,1-c][1,4]benzodiazepine-4,10-dione