(Z)[7-(methoxycarbonyl)-3-heptenyl]triphenylphosphonium bromide   、                                                                                      
(4R,5S)-((1Z,4Z)-5-Deca-1,4-dienyl)-[1,3]dioxolane-4-carbaldehyde                                                                                                                                                              在
                                                                                                                                                                                 
sodium hexamethyldisilazane                                                                                                                                  作用下,
                                                                                                                                                                                                                            生成                                                 (5Z,8Z)-9-[(4S,5S)-((1Z,4Z)-5-Deca-1,4-dienyl)-[1,3]dioxolan-4-yl]-nona-5,8-dienoic acid methyl ester