α,α-bis(pentachlorophenyl)-2,3,5,6-tetrachloro-α'-(triphenylphosphonium)-p-xylene bromide 、 4-[(E)-2-[4-[(E)-2-[4-[(E)-2-[4-[(E)-2-(4-formyl-2,5-dioctoxyphenyl)ethenyl]-2,5-dioctoxyphenyl]ethenyl]-2,5-dioctoxyphenyl]ethenyl]-2,5-dioctoxyphenyl]ethenyl]-2,5-dioctoxybenzaldehyde 在
potassium tert-butylate 作用下,
以
四氢呋喃 为溶剂,
反应 100.42h,
以15%的产率得到