methyl (8S)-8-(4-chlorophenyl)-1,4-diazocane-1-carboxylate 、
(3S,4S)-4-(5-chloropyridin-2-yl)-1-(6-cyanopyridazin-3-yl)pyrrolidine-3-carboxylic acid 在
O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate 、
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 24.0h,
以64%的产率得到methyl 8S-(4-chlorophenyl)-4-{[(3S,4S)-4-(5-chloropyridin-2-yl)-1-(6-cyanopyridazin-3-yl)pyrrolidin-3-yl]carbonyl}-1,4-diazocane-1-carboxylate