(3E,7E,9E)-11-[oxido-di(propan-2-yloxy)phosphaniumyl]undeca-1,3,7,9-tetraene   、                                                                                      (E)-5-{(4R,5S)-5-[(2R,3R,4R,6R)-6-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-3,4-bis-(4-methoxybenzyloxy)-tetrahydropyran-2-yl]-2,2-dimethyl-[1,3]dioxolan-4-yl}-pent-4-enal                                                                                                                                                              在
                                                                                                                                                                                 
正丁基锂                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃   、                                                                                         
正己烷                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 (2R,3R,4R,6R)-6-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-2-[(4S,5R)-5-((1E,5Z,7E,9E,13E)-hexadeca-1,5,7,9,13,15-hexaenyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-3,4-bis-(4-methoxybenzyloxy)-tetrahydropyran   、                                                                                             (2R,3R,4R,6R)-6-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-2-[(4S,5R)-5-((1E,5E,7E,9E,13E)-hexadeca-1,5,7,9,13,15-hexaenyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-3,4-bis-(4-methoxybenzyloxy)-tetrahydropyran