13-cyclohexyl-6-oxo-6,7-dihydro-5H-indolo[2,1-d][1,4]benzodiazepine-10-carboxylic acid 、
1-amino-N-(5-bromothiazol-2-yl)cyclopentanecarboxamide 在
O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate 、
N,N-二异丙基乙胺 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 18.25h,
以78%的产率得到13-cyclohexyl-6,7-dihydro-6-oxo-N-(1-((5-bromothiazol-2-yl)carbamoyl)cyclopentyl)-5H-indolo[1,2-d][1,4]benzodiazepine-10-carboxamide