甲基环戊烯醇酮   、                                                                                      
(E)-β-acetylvinyl phenyl sulphone   、                                                                                      
氧化膦,2-丁烯基二苯基-,(E)-                                                                                                                                                              在
                                                                                                                                                                                 
正丁基锂                                                                                                                                  作用下,
                                                                                                                                                                                                                            生成                                                 (1'RS,1''E,2SR,2'E,3SR)-3-<3'-(diphenylphosphinoyl)-1'-methylprop-2'-enyl>-2-methyl-2-(3''-oxobut-1''-enyl)cyclopentan-1-one   、                                                                                             
(1'RS,1''Z,2SR,2'E,3SR)-3-<3'-(diphenylphosphinoyl)-1'-methylprop-2'-enyl>-2-methyl-2-(3''-oxobut-1''-enyl)cyclopentan-1-one