Disclosed are a polyene compound, preparation method and use thereof. Provided in the present invention is the preparation method of a polyene compound I, comprising the following steps: under an action of a base and in an organic solvent, conducting a Witting reaction on a compound II and a compound III to obtain the polyene compound I. By the preparation method in the present invention, a coupling reaction results in good product purity without producing an obvious by-product and involves no heavy metal, thus facilitating a control over product quality and costs, having a simple operation and mild reaction condition, enabling high reaction conversion, a high yield, few by-products, high resultant product purity, low production costs and simple post-processing, and being suitable for industrial production.
本发明涉及一种聚
烯烃化合物及其制备方法和用途。本发明提供了聚
烯烃化合物I的制备方法,包括以下步骤:在碱的作用下,在有机溶剂中对化合物II和化合物III进行威廉逊反应,以获得聚
烯烃化合物I。通过本发明的制备方法,偶联反应产物纯度高,没有明显的副产物,不涉及重
金属,从而便于控制产品质量和成本,操作简单,反应条件温和,反应转化率高,产率高,副产物少,产物纯度高,生产成本低,后处理简单,适用于工业生产。