(4aS,8aR)-5-[(R)-5-trimethylsilanyloxy-1,5-dimethyl-hex-3-ynyl]-4a-methyl-1,2,3,4,4a,7,8,8a-octahydro-naphthalen-1-one                                                                                                                                                              在
                                                                                                                                                                                 
正丁基锂                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 (4aS,8aS)-4-{(E)-2-[(3R,5R)-3,5-bis-(tert-butyl-dimethyl-silanyloxy)-cyclohexylidene]-ethylidene}-8-((R)-1,5-dimethyl-5-trimethylsilanyloxy-hex-3-ynyl)-8a-methyl-1,2,3,4,4a,5,6,8a-octahydro-naphthalene