ethyl (2S)-2-[(2R,4aS,7aS)-2-methyl-2,3,4,4a,5,6,7,7a-octahydrocyclopenta[b]pyran-4-yl]-2-(methoxycarbonylamino)acetate 在
lithium hydroxide monohydrate 、
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
四氢呋喃 、
N,N-二甲基甲酰胺 为溶剂,
反应 22.0h,
生成 dimethyl (4,4’-biphenyldiylbis(1H-imidazole-4,2-diyl((2S,5S)-5-methyl-2,1-pyrrolidinediyl)((1S)-1-((2R,4R,4aS,7aS)-2-methyloctahydrocyclopenta[b]pyran-4-yl)-2-oxo-2,1-ethanediyl)))biscarbamate trifluoroacetate