The use of a phosphorus containing Ligand as a Ligand for a metathesis catalyst in a catalysed metathesis reaction wherein the phosphorus containing Ligand is a heterocyclic organic compound with a ligating phosphorus atom as an atom in the heterocyclic ring structure of the heterocyclic organic compound. The invention also relates to a metathesis catalyst such a phosphorus containing Ligand and to a metathesis reaction using the catalyst.
                            在催化的烯烃交换反应中,使用含
磷配体作为交换催化剂的
配体,其中该含
磷配体是一种杂环有机化合物,其杂环有机化合物的环结构中含有一个配位
磷原子。该发明还涉及一种含
磷配体的烯烃交换催化剂,以及使用该催化剂进行烯烃交换反应。