tert-butyl (8aS,12aR)-5-oxo-4,5,6,7,9,10,12,12a-octahydro[1,4]diazepino[3,2,1-hi]pyrido[4,3-b]indole-11(8aH)-carboxylate 在
N-溴代丁二酰亚胺(NBS) 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以65%的产率得到tert-butyl (8aS,12aR)-2-bromo-5-oxo-4,5,6,7,9,10,12,12a-octahydro[1,4]diazepino[3,2,1-hi]pyrido[4,3-b]indole-11(8aH)-carboxylate