Disclosed are novel metathesis catalysts of the formula
wherein R
1
, R
2
, R
3
, R
4
, R
5
, R
6
, X
1
, X
2
, L and Y are as described herein, a process for making the same and their use in metathesis reactions such as ring closing or cross metathesis.
本发明涉及一种新型的交换催化剂,其
化学式如下:
其中,R1、R2、R3、R4、R5、R6、X1、X2、L和Y的定义如文中所述。本发明还涉及制备该催化剂的方法以及其在环闭合或交叉交换反应等交换反应中的应用。