(2S,4R)-N-((1R,2S)-1-((cyclopropylsulfonyl)carbamoyl)-2-vinylcyclopropyl)-4-((2-(trifluoromethyl)quinolin-4-yl)oxy)pyrrolidine-2-carboxamide 2,2,2-trifluoroacetate 、
N-Boc-L-叔亮氨酸 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61%的产率得到BOC-NH-(L-tert-BuGly)-[(4R)-(2-trifluoromethylquinolin-4-oxo)-S-proline]-(1R,2S-vinyl acca)-CONHSO2-cyclopropane