3-((3R,3aS,5aR,5bR,7aS,11aS,11bR,13aR,13bS)-5a,5b,8,8,11a,13b-Hexamethyl-icosahydro-cyclopenta[a]chrysen-3-yl)-1-thiophen-2-yl-butan-1-ol                                                                                                                                                              在
                                                                                                                                                                                 
manganese(IV) oxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 3-((3R,3aS,5aR,5bR,7aS,11aS,11bR,13aR,13bS)-5a,5b,8,8,11a,13b-Hexamethyl-icosahydro-cyclopenta[a]chrysen-3-yl)-1-thiophen-2-yl-butan-1-one