[(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