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