ethyl 4-[2-(benzyloxy)-6-bromophenoxymethyl]-1,2,3,6-tetrahydropyridine-1-carboxylate                                                                                                                                                              在
                                                                                                                                                                                 trans-di(μ-acetato)bis[o-(di-o-tolylphosphino)benzyl]dipalladium(II)   、                                                                                                  silver carbonate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
N-甲基吡咯烷酮                                                                                  为溶剂,
                                                                                                                                                    反应 18.0h,
                                                                                                                以81%的产率得到ethyl 7-(benzyloxy)-2',3'-dihydro-1'H,2H-spiro[1-benzofuran-3,4'-pyridine]-1'-carboxylate