3β-acetoxy-14β-hydroxy-21-methanesulfonyloxy-5β-pregnan-20-one                                                                                                                                                              在
                                                                                                                                                                                 
sodium hydrogensulfide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇   、                                                                                         
乙二醇二甲醚                                                                                  为溶剂,
                                                                                                                                                    反应 0.25h,
                                                                                                                以0.980 g的产率得到Acetic acid (3S,5R,8R,9S,10S,13R,14S,17S)-14-hydroxy-17-(2-mercapto-acetyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-yl ester