N-(tert-butoxycarbonyl)-3-methyl-L-valyl-(4R)-4-([(4-fluoro-1,3-dihydro-2H-isoindol-2-yl)carbonyl]oxy)-L-proline 、 (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
[(3R,5S)-5-[[(1R,2R)-1-(cyclopropylsulfonylcarbamoyl)-2-(difluoromethyl)cyclopropyl]carbamoyl]-1-[(2S)-3,3-dimethyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoyl]pyrrolidin-3-yl] 4-fluoro-1,3-dihydroisoindole-2-carboxylate