(1R,2S)-1-amino-N-(1-benzylcyclopropyl)sulfonyl-2-ethenylcyclopropane-1-carboxamide;hydrochloride 、
(2S,4R)-1-(tert-butoxycarbonyl)-4-(7-methoxy-2-phenylquinolin-4-yloxy)pyrrolidine-2-carboxylic acid 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,
反应 4.5h,
以94.3%的产率得到tert-butyl (2S,4R)-2-[[(1R,2S)-1-[(1-benzylcyclopropyl)sulfonylcarbamoyl]-2-ethenylcyclopropyl]carbamoyl]-4-(7-methoxy-2-phenylquinolin-4-yl)oxypyrrolidine-1-carboxylate