3α,12α-dihydroxy-24-mesyloxy-5β-cholane 在
sodium azide 、
copper(II) sulfate 、
sodium ascorbate 作用下,
以
N,N-二甲基甲酰胺 、
叔丁醇 为溶剂,
反应 6.0h,
生成 [1-[(4R)-4-[(3R,5R,8R,9S,10S,12S,13R,14S,17R)-3,12-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]pentyl]triazol-4-yl]methyl (4R)-4-[(3R,5R,8R,9S,10S,12S,13R,14S,17R)-3,12-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]pentanoate