(2S,4R)-1-[(2S)-3,3-dimethyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoyl]-4-[(3-methyl-5-phenyl-[1,2]oxazolo[4,5-b]pyridin-7-yl)oxy]pyrrolidine-2-carboxylic acid 、 (1R,2S)-1-amino-N-(1-benzylcyclopropyl)sulfonyl-2-ethenylcyclopropane-1-carboxamide;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,
反应 12.0h,
以33%的产率得到tert-butyl N-[(2S)-1-[(2S,4R)-2-[[(1R,2S)-1-[(1-benzylcyclopropyl)sulfonylcarbamoyl]-2-ethenylcyclopropyl]carbamoyl]-4-[(3-methyl-5-phenyl-[1,2]oxazolo[4,5-b]pyridin-7-yl)oxy]pyrrolidin-1-yl]-3,3-dimethyl-1-oxobutan-2-yl]carbamate