(R)-2-(2-oxopyrrolidin-1-yl)-2-phenylacetic acid 、 dimethyl (2S,2'S)1,1'-((2S,2'S)-2,2'-(4,4'-(4-fluorophenylazanediyl)bis(methylene)bis(4,1-phenylene)bis(azanediyl))bis(oxomethylene)bis(pyrrolidine-2,1-diyl))bis(3,3-dimethyl-1-oxobutane-2,1-diyl)dicarbamate 在
N,N-二异丙基乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
二甲基亚砜 为溶剂,
反应 1.5h,
生成 (2S,2'S)-N,N'-{[(4-fluorophenyl)imino]bis(methanediylbenzene-4,1-diyl)}bis{1-[(2S)-2-(2-oxopyrrolidin-1-yl)-2-phenylacetyl]pyrrolidine-2-carboxamide}