2-(三甲基硅甲基)烯丙基乙酸酯   、                                                                                      
cyclopentylidene tetralone                                                                                                                                                              在
                                                                                                                                                                                 
(2R,5R,11aR)-1-(dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl)-2,5-diphenylpyrrolidine   、                                                                                                  bis(dibenzylideneacetone)-palladium
(0)                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲苯                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 (1S,2R)-2-cyclopentyl-4-methylene-3',4'-dihydrospiro[cyclopentane-1,2'-naphthalen]-1'-one   、                                                                                             
(1R,2S)-2-cyclopentyl-4-methylene-3',4'-dihydrospiro[cyclopentane-1,2'-naphthalen]-1'-one