Patent ID: 7329758

Claim:
A compound of the formula wherein: M is ruthenium or osmium; X and X 1 are each independently an anionic ligand; L is a neutral electron donor ligand; and, R, R 1 R 6 , R 7 , R 8 , and R 9 are each independently hydrogen or a substituent selected from the group consisting of C 1 -C 20 alkyl, C 2 -C 20 alkenyl, C 2 -C 20 alkynyl, aryl, C 1 -C 20 carboxylate, C 1 -C 20 alkoxy, C 2 -C 20 alkenyloxy, C 2 -C 20 alkynyloxy, aryloxy, C 2 -C 20 alkoxycarbonyl, C 1 -C 20 alkylthiol, aryl thiol, C 1 -C 20 alkylsulfonyl and C 1 -C 20 alkylsulfinyl, the substituent optionally substituted with one or more moieties selected from the group consisting of C 1 -C 10 alkyl, C 1 -C 10 alkoxy, aryl, and a functional group selected from the group consisting of hydroxyl, thiol, thioether, ketone, aldehyde, ester, ether, amine, imine, amide, nitro, carboxylic acid, disulfide, carbonate, isocyanate, carbodiimide, carboalkoxy, carbamate, and halogen.