4-nitrophenyl (1S)-1-cyclopropyl-2-[(2S)-4-(2,5-difluorophenyl)-2-phenyl-2,5-dihydro-1H-pyrrol-1-yl]-2-oxoethylcarbamate 、
N,N-二甲基乙醇胺 在
乙酸乙酯 、 Brine 、
magnesium sulfate 作用下,
反应 1.0h,
以to give 2-(dimethylamino)ethyl(1S)-1-cyclopropyl-2-[(2S)-4-(2,5-difluorophenyl)-2-phenyl-2,5-dihydro-1H-pyrrol-1-yl]-2-oxoethylcarbamate (31-2) as a pale yellow solid的产率得到2-(dimethylamino)ethyl (1S)-1-cyclopropyl-2-[(2s)-4-(2,5-difluorophenyl)-2-phenyl-2,5-dihydro-1h-pyrrol-1-yl]-2-oxoethylcarbamate