methyl 3β-azido-7α,12α-dihydroxy-5β-cholan-24-oate 、
2,4,6-三(2-丙炔-1-氧基)-1,3,5-三嗪 在
copper(ll) sulfate pentahydrate 、
sodium ascorbate 作用下,
以
甲醇 、
叔丁醇 、
水 为溶剂,
反应 6.25h,
以83%的产率得到methyl (4R)-4-[(3S,5S,7R,8R,9S,10S,12S,13R,14S,17R)-3-[4-[[4,6-bis[[1-[(3S,5S,7R,8R,9S,10S,12S,13R,14S,17R)-7,12-dihydroxy-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]triazol-4-yl]methoxy]-1,3,5-triazin-2-yl]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]pentanoate