(8R,9S,13S,17R)-13-Methyl-7,8,9,11,12,13,16,17-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol                                                                                                                                                              在
                                                                                                                                                                                 
间氯过氧苯甲酸                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
氯仿                                                                                  为溶剂,
                                                                                                                                                                                        以44%的产率得到(8R,9S,13R,14R,15S,17R)-13-Methyl-6,7,8,9,11,12,13,15,16,17-decahydro-20-oxa-cyclopropa[14,15]cyclopenta[a]phenanthrene-3,17-diol