Acetic acid (1R,3aS,3bR,5aS,6aR,8R,9aS,10aS,10bS,12aR)-1-((R)-1,5-dimethyl-hexyl)-10a,12a-dimethyl-octadecahydro-7-oxa-dicyclopenta[a,h]phenanthren-8-ylmethyl ester                                                                                                                                                              在
                                                                                                                                                                                 
potassium carbonate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 [(1R,3aS,3bR,5aS,6aR,8R,9aS,10aS,10bS,12aR)-1-((R)-1,5-Dimethyl-hexyl)-10a,12a-dimethyl-octadecahydro-7-oxa-dicyclopenta[a,h]phenanthren-8-yl]-methanol