Patent ID: 8859779

Claim:
A catalytic complex of the formula: wherein either or both of C 1 and C 2 are optionally absent; M is selected from the group consisting of Os and Ru; R and R 1 are independently selected from the group consisting of hydrogen, C 1 -C 20 alkyl, and aryl, each R and R 1 optionally being substituted with C 1 -C 5 alkyl, halogen, C 1 - C 10 alkoxy, or phenyl group substituted with halogen, C 1 -C 5 alkyl or C 1 -C 5 alkoxy, or with a functional group; X is an anionic ligand; L is a nucleophilic carbine; Ar is an η 6 —C 6 H 6 N or an alkyl substituted C 6 H 6 ring system; and A 31 is an inorganic anion or an organic anion.