1-(tert-butyldimethylsiloxy)-9,10-secocholesta-5(10),9(11),25trien-6-yn-8β-yl benzoate                                                                                                                                                              在
                                                                                                                                                                                 (Ph
3Sn)2Cu(CN)Li
2   、                                                                                                  
四丁基氟化铵                                                                                                                                  作用下,
                                                                                                                                                                                                                            生成                                                 tert-Butyl-(3-{2-[(1R,3aR,7aR)-1-((R)-1,5-dimethyl-hex-5-enyl)-7a-methyl-1,2,3,3a,7,7a-hexahydro-inden-4-ylidene]-vinyl}-2-methyl-cyclohex-2-enyloxy)-dimethyl-silane   、                                                                                             tert-Butyl-(3-{2-[(1R,3aR,7aR)-1-((R)-1,5-dimethyl-hex-5-enyl)-7a-methyl-1,2,3,3a,7,7a-hexahydro-inden-4-ylidene]-vinyl}-2-methyl-cyclohex-2-enyloxy)-dimethyl-silane