Patent ID: 8237003

Claim:
A catalyst compound for the metathesis of olefins represented by the formula: wherein M is a Group 8 metal from the Periodic Table of the Elements; X and X 1 are anionic ligands; L is a neutral two electron donor; L 1 is O or S; R is a C 1 to C 30 hydrocarbyl or a C 1 to C 30 substituted hydrocarbyl; G* is selected from the group consisting of hydrogen, a C 1 to C 30 hydrocarbyl, and a C 1 to C 30 substituted hydrocarbyl; R 1 is selected from the group consisting of hydrogen, a C 1 to C 30 hydrocarbyl, and a C 1 to C 30 substituted hydrocarbyl; and G is independently selected from the group consisting of hydrogen, halogen, C 1 to C 30 hydrocarbyls and C 1 to C 30 substituted hydrocarbyls.