(2S,4R)-1-((S)-2-氨基-3,3-二甲基丁酰基)-4-羟基-N-((S)-1-(4-(4-甲基噻唑-5-基)苯基)乙基)吡咯烷-2-甲酰胺 、
9-(8-Carboxyoctyldisulfanyl)nonanoic acid 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,
以15.16 mg的产率得到(2S,2'S,4R,4'R)-1,1'-((2S,2'S)-2,2'-((9,9'-disulfanediylbis(nonanoyl))bis(azanediyl))bis(3,3-dimethylbutanoyl))bis(4-hydroxy-N-((S)-1-(4-(4-methylthiazol-5-yl)phenyl)ethyl)pyrrolidine-2-carboxamide)