3α-azido-7α,12α-dihydroxy-5β-cholanic acid 、
tri(prop-2-yn-1-yl) 4,4',4''-(oxo-l5-phosphanetriyl)tribenzoate 在
copper(ll) sulfate pentahydrate 、
sodium ascorbate 作用下,
以
水 、
N,N-二甲基甲酰胺 为溶剂,
反应 5.0h,
以79%的产率得到(4R)-4-[(3R,5S,7R,8R,9S,10S,12S,13R,14S,17R)-3-[4-[[4-bis[4-[[1-[(3R,5S,7R,8R,9S,10S,12S,13R,14S,17R)-17-[(2R)-4-carboxybutan-2-yl]-7,12-dihydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl]triazol-4-yl]methoxycarbonyl]phenyl]phosphorylbenzoyl]oxymethyl]triazol-1-yl]-7,12-dihydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]pentanoic acid