2(S)-(tert-butoxycarbonylamino)-3-(2-nitro-N-(pent-4-enyl)phenylsulfonamido)propanoic acid 、
(2S,4R)-4-(biphenyl-4-yl)-4-methoxypyrrolidine-2-carboxylic acid methyl ester 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 18.0h,
以87%的产率得到(2S,4R)-methyl 4-(biphenyl-4-yl)-1-((S)-2-(tert-butoxycarbonylamino)-3-(2-nitro-N-(pent-4-enyl)phenylsulfonamido)propanoyl)-4-methoxypyrrolidine-2-carboxylate