(S)-n-boc-2-(5-己基)甘氨酸 、 (2S,4R)-methyl 4-(allylthio)-4-(biphenyl-4-yl)pyrrolidine-2-carboxylate hydrochloride 在
N,N-二异丙基乙胺 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
二氯甲烷 为溶剂,
以66.2%的产率得到(2S,4R)-methyl 4-(allylthio)-4-(biphenyl-4-yl)-1-((S)-2-(tert-butoxycarbonylamino)oct-7-enoyl)pyrrolidine-2-carboxylate