abstract |
The present invention is a novel (pre) catalyst ruthenium complex of formula 1 [Chemical 1] Wherein L 1 , X 1 , X 2 , R 1 , R 2 , R 3 , Z and n are as defined in claim 1. The novel ruthenium complexes of formula 1 are convenient (pre) catalysts for metathesis reactions, ie can be applied to ring-closing metathesis reactions, cross-metathesis reactions or ene-ine metathesis reactions. |