吗啉   、                                                                                      
4,6β-Dibromocholest-4-en-3-one                                                                                                                                                                                              以
                                                                                         neat (no solvent)                                                                                  为溶剂,
                                                                                                                                                    反应 16.0h,
                                                                                                                以87.3%的产率得到(2R,6R,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,6-di-morpholin-4-yl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthren-3-one