Acetic acid (3S,8R,10R,13S,16R,17S)-3-acetoxy-10,13-dimethyl-16-(toluene-4-sulfonyloxymethyl)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl ester                                                                                                                                                              在
                                                                                                                                                                                 lithium aluminium tetrahydride                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                                                        以87.8%的产率得到16-methylandrost-5-ene-3β,17-diol