(2S)-2-[(3S,5S,8R,9S,10S,12R,13S)-3,12-bis(methoxymethoxy)-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12-decahydro-1H-cyclopenta[a]phenanthren-17-yl]propan-1-ol                                                                                                                                                              在
                                                                                                                                                                                 
碳酸氢钠   、                                                                                                  
戴斯-马丁氧化剂                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 2.0h,
                                                                                                                以90.9%的产率得到(S)-2-((3S,5S,8R,9S,10S,12R,13S)-3,12-bis(methoxymethoxy)-10,13-dimethyl-2,3,4,5,6,7,8,9,10,11,12,13-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl)propanal