(2S,4R)-1-[(2S)-3,3-dimethyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoyl]-4-(2-phenylquinazolin-4-yl)oxypyrrolidine-2-carboxylic acid 、 1-cyclopropylmethyl-cyclopropanesulfonic acid ((1R,2S)-1-amino-2-vinyl-cyclopropanecarbonyl)-amide trifluoroacetate 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 14.0h,
以80%的产率得到tert-butyl N-[(2S)-1-[(2S,4R)-2-[[(1R,2S)-1-[[1-(cyclopropylmethyl)cyclopropyl]sulfonylcarbamoyl]-2-ethenylcyclopropyl]carbamoyl]-4-(2-phenylquinazolin-4-yl)oxypyrrolidin-1-yl]-3,3-dimethyl-1-oxobutan-2-yl]carbamate