[(3R,5S,8R,9S,10S,13S,14S)-10,13-dimethyl-17-oxo-1,2,3,4,5,6,7,8,9,11,12,14,15,16-tetradecahydrocyclopenta[a]phenanthren-3-yl] 2-oxoheptanoate 在
Oxone 、 edetate disodium 、
碳酸氢钠 作用下,
以
水 、
乙腈 为溶剂,
反应 72.0h,
以55%的产率得到[(3R,5R,8R,9S,10S,13S,14S)-10,13-dimethyl-17-oxo-1,2,3,4,5,6,7,8,9,11,12,14,15,16-tetradecahydrocyclopenta[a]phenanthren-3-yl] (2R,6R)-2-hydroxy-6-methyloxane-2-carboxylate