(E)-allyl 1-(4-ethoxy-4-oxobut-2-enyl)-2-oxo-4-(phenylthio)cyclohex-3-enecarboxylate                                                                                                                                                              在
                                                                                                                                         
tris(dibenzylideneacetone)dipalladium(0) * CHCl3                                                                                                                                                                                                                               (R,R)-bidentate phosphine ligand                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
1,4-二氧六环                                                                                  为溶剂,
                                                                                                                                                    反应 0.5h,
                                                                                                                生成                                                 (E)-ethyl 4-(1-allyl-2-oxo-4-(phenylthio)cyclohex-3-enyl)but-2-enoate   、                                                                                             (E)-ethyl 4-(1-allyl-2-oxo-4-(phenylthio)cyclohex-3-enyl)but-2-enoate