2-壬炔酸甲酯   、                                                                                      
5-isocyanatopent-1-ene                                                                                                                                                              在
                                                                                                                                                                                 chlorobis(ethylene)rhodium(I) dimer   、                                                                                                  (+)-GUIPHOS                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲苯                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 
(R)-methyl 5-hexyl-7-oxo-1,2,3,7,8,8a-hexahydroindolizine-6-carboxylate   、                                                                                             (S)-methyl 5-hexyl-7-oxo-1,2,3,7,8,8a-hexahydroindolizine-6-carboxylate   、                                                                                             (R)-methyl 7-hexyl-5-oxo-1,2,3,5,8,8a-hexahydroindolizine-6-carboxylate   、                                                                                             
(S)-methyl 7-hexyl-5-oxo-1,2,3,5,8,8a-hexahydroindolizine-6-carboxylate