dimethyl 2-(1,2-butadien-4-yl)-2-(cyclohex-1-enylmethyl)malonate                                                                                                                                                              在
                                                                                                                                         (R)-3,5-xylyl-BINAP(AuCl)2                                                                                                                                                                                                                               
silver trifluoromethanesulfonate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
硝基甲烷                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 dimethyl 4-vinyl-1,2,3,4,5,6,7,8-octahydronaphthalene-2,2-dicarboxylate   、                                                                                             dimethyl 4-vinyl-1,2,3,4,5,6,7,8-octahydronaphthalene-2,2-dicarboxylate