N-(tert-butoxycarbonyl)glycyl-N1-[(1S)-2-azido-1-methylethyl]-N2-(2,4-dimethoxybenzyl)glycinamide 、
methyl (3α,5β,7α,12α)-3,7,12-tris{[(prop-2-yn-1-yloxy)acetyl]oxy}cholan-24-oate 在
copper(ll) sulfate pentahydrate 、
sodium ascorbate 作用下,
以
乙醇 、
水 为溶剂,
反应 12.0h,
以86%的产率得到N-[(2S)-1-[4-[[2-[[(3R,5S,7R,8R,9S,10S,12S,13R,14S,17R)-7,12-bis[[2-[[1-[(2S)-2-[[2-[(2,4-dimethoxyphenyl)methyl-[2-[[hydroxy-[(2-methylpropan-2-yl)oxy]methylidene]amino]acetyl]amino]-1-hydroxyethylidene]amino]propyl]triazol-4-yl]methoxy]acetyl]oxy]-17-[(2R)-5-methoxy-5-oxopentan-2-yl]-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]-2-oxoethoxy]methyl]triazol-1-yl]propan-2-yl]-2-[(2,4-dimethoxyphenyl)methyl-[2-[[hydroxy-[(2-methylpropan-2-yl)oxy]methylidene]amino]acetyl]amino]ethanimidic acid