N-(tert-butoxycarbonyl)glycyl-N1-[(1S)-2-azido-1-methylethyl]-N2-(2,4-dimethoxybenzyl)glycinamide 、
prop-2-yn-1-yl 3α,5β-{[(prop-2-yn-1-yloxy)acetyl]oxy}cholan-24-oate 在
copper(ll) sulfate pentahydrate 、
sodium ascorbate 作用下,
以
二氯甲烷 、
水 为溶剂,
反应 10.0h,
以75%的产率得到[1-[(2S)-2-[[2-[(2,4-dimethoxyphenyl)methyl-[2-[(2-methylpropan-2-yl)oxycarbonylamino]acetyl]amino]acetyl]amino]propyl]triazol-4-yl]methyl (4R)-4-[(3R,5R,8R,9S,10S,13R,14S,17R)-3-[2-[[1-[(2S)-2-[[2-[(2,4-dimethoxyphenyl)methyl-[2-[(2-methylpropan-2-yl)oxycarbonylamino]acetyl]amino]acetyl]amino]propyl]triazol-4-yl]methoxy]acetyl]oxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]pentanoate