This invention relates to olefin metathesis catalysts general formula (I):
having a thiazol-2-ylidene ligand of general formula (II):
The catalysts have been found to be particularly good initiators of (a) ring-closing metathesis reactions used to prepare tetra-substituted cyclic olefins, and (b) cross-metathesis reactions used to prepare tri-substituted and di-substituted olefins.
本发明涉及一般式(I)的烯烃交换催化剂,其具有一般式(II)的
噻唑-2-基亚烯
配体。发现这些催化剂特别适用于(a)环闭合烯烃交换反应,用于制备四取代环烯烃,以及(b)交叉烯烃交换反应,用于制备三取代和二取代烯烃的良好
引发剂。