烯烃交叉复分解反应是指两种端基烯烃在Ru(II)-卡宾(Grubbs Catalyst)催化下，放出乙烯的烯烃复分解反应。从统计学来看，反应应该生成三种可能的几何异构体，再加上每种异构体各有 E/Z构型，因此共有六种产物。

此反应的选择性近期得到更进一步的研究，有各种反应实例表明不同反应活性的烯烃都能高产率和高选择性的反应。

烯烃复分解反应，按照反应过程中分子骨架的变化，可以分为五种情况：开环复分解、开环复分解聚合、非环二烯复分解聚合、关环复分解以及交叉复分解反应。

在1990年代， Robert H.Grubbs发现了实用性非常高的催化剂。之后烯烃复分解反应成为有机合成化学里最常用的反应之一。

常见的催化剂：

反应机理：

引发:

最新文献：

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参考文献

一、https://www.organic-chemistry.org/namedreactions/cross-metathesis.shtm

二、化学空间: https://cn.chem-station.com/reactions/2014/01/%e7%83%af%e7%83%83%e5%a4%8d%e5%88%86%e8%a7%a3%e5%8f%8d%e5%ba%94%ef%bc%88olefin-metathesis%ef%bc%89.html