methyl (1R,2S)-1-((2S,4R)-4-((8-bromo-7-methoxy-2-(2-propionamidothiazol-4-yl)quinolin-4-yl)oxy)-1-((S)-2-((tert-butoxycarbonyl)amino)-3,3-dimethylbutanoyl)pyrrolidine-2-carboxamido)-2-vinylcyclopropane-1-carboxylate 、
环丙乙酸 在
盐酸 、
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
dioxanes 、
二氯甲烷 为溶剂,
反应 19.0h,
以99%的产率得到methyl (1R,2S)-1-((2S,4R)-4-((8-bromo-7-methoxy-2-(2-propionamidothiazol-4-yl)quinolin-4-yl)oxy)-1-((S)-2-(2-cyclopropylacetamido)-3,3-dimethylbutanoyl)pyrrolidine-2-carboxamido)-2-vinylcyclopropane-1-carboxylate