[(3R,5S)-5-((1R,2S)-1-(cyclopropylsulfonylcarbamoyl)-2-vinylcyclopropylcarbamoyl)pyrrolidin-3-yl] 4-fluoroisoindoline-2-carboxylate hydrochloride 、
(S)-2-(4-fluorophenylamino)-3-methylbutanoic acid 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 5.0h,
以65%的产率得到(3R,5S)-5-((1R,2S)-1-(cyclopropylsulfonylcarbamoyl)-2-vinylcyclopropylcarbamoyl)-1-((S)-2-(4-fluorophenylamino)-3-methylbutanoyl)pyrrolidin-3-yl 4-fluoroisoindoline-2-carboxylate