(S)-methyl 1-(4-(benzyloxy)-2-((tert-butoxycarbonyl)amino)butanamido)-3-bromo-1H-pyrrole-2-carboxylate 、
3,5-二氟苯胺 、 在
(S)-tert-butyl (4-(benzyloxy)-1-((3-bromo-2-((3,5-difluorophenyl)carbamoyl)-1H-pyrrol-1-yl)amino)-1-oxobutan-2-yl)carbamate 作用下,
以3.2 g (66% yield) of the desired compound were obtained的产率得到(S)-tert-butyl (4-(benzyloxy)-1-((3-bromo-2-((3,5-difluorophenyl)carbamoyl)-1H-pyrrol-1-yl)amino)-1-oxobutan-2-yl)carbamate