potassium thioacyanate   、                                                                                      3β-chloro-7α-bromo-6-nitro-cholest-5-ene                                                                                                                                                                                              以
                                                                                         
甲醇   、                                                                                         
乙醚                                                                                  为溶剂,
                                                                                                                                                    反应 24.0h,
                                                                                                                以85%的产率得到(7R,8S,9S,10R,13R,14S,17R)-3-Chloro-17-((R)-1,5-dimethyl-hexyl)-10,13-dimethyl-6-nitro-7-thiocyanato-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene