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。

反应机理：

同烯烃复分解反应

引发:

催化循环:

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