(R)-2-[(2R,5S,6R)-6-((1E,3E,5E,7E)-(S)-1,9-Diethyl-12-oxo-dodeca-1,3,5,7-tetraenyl)-5-methyl-tetrahydro-pyran-2-yl]-propionic acid methyl ester   、                                                                                      
1-(1H-Pyrrol-2-yl)-2-(triphenyl-λ5-phosphanylidene)-ethanone                                                                                                                                                                                              以
                                                                                         
1,2-二氯乙烷                                                                                  为溶剂,
                                                                                                                                                                                        以5%的产率得到(R)-2-((2R,5S,6R)-6-{(1E,3Z)-1-Ethyl-4-[(1S,3aR,4S,5S,7aS)-1-ethyl-4-(1H-pyrrole-2-carbonyl)-2,3,3a,4,5,7a-hexahydro-1H-inden-5-yl]-buta-1,3-dienyl}-5-methyl-tetrahydro-pyran-2-yl)-propionic acid methyl ester