ethyl 1-((2S,4R)-4-((7-methoxy-2-phenylquinolin-4-yl)oxy)pyrrolidine-2-carboxamido)-2-vinylcyclopropane-1-carboxylate hydrochloride 、
(2S)-3,3-二甲基-2-{2-[(2-甲基-2-丙基)氧基]-2-氧代乙基}丁酸 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
N,N-二甲基甲酰胺 为溶剂,
以75%的产率得到ethyl 1-[[(2S,4R)-1-[(2S)-3,3-dimethyl-2-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]butanoyl]-4-(7-methoxy-2-phenylquinolin-4-yl)oxypyrrolidine-2-carbonyl]amino]-2-ethenylcyclopropane-1-carboxylate