(2S,4R)-1-[(2S)-3,3-dimethyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoyl]-4-(3-thiophen-2-ylquinoxalin-2-yl)oxypyrrolidine-2-carboxylic acid 、 (1R,2R)-1-amino-N-(cyclopropaneylsulfonyl)-2-(difluoromethyl)cyclopropanecarboxamide 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
N,N-二甲基甲酰胺 为溶剂,
反应 18.0h,
生成
tert-butyl N-[(2S)-1-[(2S,4R)-2-[[(1R,2R)-1-(cyclopropylsulfonylcarbamoyl)-2-(difluoromethyl)cyclopropyl]carbamoyl]-4-(3-thiophen-2-ylquinoxalin-2-yl)oxypyrrolidin-1-yl]-3,3-dimethyl-1-oxobutan-2-yl]carbamate