(2S,3S)-3-羟基-2-(甲氧基羰基氨基)丁酸 、 2,6-bis(2-((2S,3aS,6aS)-octahydrocyclopenta[b]pyrrol-2-yl)-1H-imidazol-5-yl)biphenylene tetrahydrochloride 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
N,N-二甲基甲酰胺 为溶剂,
反应 4.0h,
以8.4%的产率得到dimethyl ((2S,2′S,3S,3′S)-((2S,2′S,3aS,3a′S,6aS,6a′S)-2,2′-(5,5′-(biphenylene-2,6-diyl )bis(1H-imidazole-5,2-diyl))bis-(hexahydrocyclopenta[b]pyrrole-2,1(2H)-diyl))bis(3-hydroxy-1-oxobutane-2,1-diyl))dicarbamate