N-BOC-(3S,4R)-4-(4-氯苯基)吡咯烷-3-羧酸 、
(2S)-N-(4,4-dimethylcyclohexyl)-N-{(3S,5S)-5-[(4-methylpiperazin-1-yl)carbonyl]pyrrolidin-3-yl}tetrahydrofuran-2-carboxamide 在
O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate 、
N,N-二异丙基乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 2.0h,
以85%的产率得到1-BOC-(3R,4S)-3-(4-chlorophenyl)-4-({(2S,4S)-4-{(4,4-dimethylcyclohexyl)[(2S)-tetrahydrofuran-2-ylcarbonyl]amino}-2-[(4-methylpiperazin-1-yl)carbonyl]pyrrolidin-1-yl}carbonyl)pyrrolidine