ethyl 1,2,3,4-tetrahydro-1-((Z)-5-(trimethylstannyl)pent-4-enyl)-4-oxopyridine-2-carboxylate                                                                                                                                                              在
                                                                                                                                         chloro(1,5-cyclooctadiene)rhodium(I) dimer                                                                                                                                                                          作用下,
                                                                                                                以
                                                                                         
1,4-二氧六环                                                                                  为溶剂,
                                                                                                                                                                                        以26%的产率得到(4RS,10aRS)-ethyl 2-oxo-1,2,3,4,6,7,8,10a-octahydro-pyrido[1,2-a]azepine-4-carboxylate