N-(tert-butoxycarbonyl)-L-valyl-N1-[(1S,2S)-1-(azidomethyl)-2-methylbutyl]-N2-(4-methoxybenzyl)-2-methylalaninamide 、
methyl (3α,5β,12α)-3,12-bis{[(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70%的产率得到methyl (4R)-4-[(3R,5R,8R,9S,10S,12S,13R,14S,17R)-3,12-bis[[2-[[1-[(2S,3S)-2-[[2-[(4-methoxyphenyl)methyl-[(2S)-3-methyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoyl]amino]-2-methylpropanoyl]amino]-3-methylpentyl]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