Patent ID: 6888018

Claim:
An organometallic compound containing ruthenium or osmium and silicon, represented by the general formula (1): wherein, M is ruthenium or osmium; R 1 is hydrogen atom, an alkenyl group of 2 to 20 carbon atoms, alkyl group of 1 to 20 carbon atoms, aryl group of 6 to 20 carbon atoms, carboxyl group of 2 to 20 carbon atoms, alkoxy group of 2 to 20 carbon atoms, alkenyloxy group of 2 to 20 carbon atoms, aryloxy group of 6 to 20 carbon atoms, alkoxycarbonyl group of 2 to 20 carbon atoms, alkylthio group of 2 to 20 carbon atoms, alkylsilyl group of 2 to 20 carbon atoms, arylsilyl group of 2 to 20 carbon atoms or ferrocene derivative, as required, with a phenyl group substituted with an alkyl group of 1 to 5 carbon atoms, halogen atom or alkoxy group of 1 to 5 carbon atoms; R 2 to R 4 are each hydrogen atom, an alkenyl group of 2 to 20 carbon atoms, alkyl group of 1 to 20 carbon atoms, aryl group of 6 to 20 carbon atoms, carboxyl group of 2 to 20 carbon atoms, alkoxy group of 2 to 20 carbon atoms, alkenyloxy group of 2 to 20 carbon atoms, aryloxy group of 6 to 20 carbon atoms, alkoxycarbonyl group of 2 to 20 carbon atoms, alkylthio group of 2 to 20 carbon atoms, alkylsilyl group of 2 to 20 carbon atoms, arylsilyl group of 2 to 20 carbon atoms or ferrocene derivative, which may be the same or different and substituted, as required, with a phenyl group substituted with an alkyl group of 1 to 5 carbon atoms, halogen atom or alkoxy group of 1 to 5 carbon atoms; when R 1 is hydrogen atom, at least one of R 2 to R 4 is phenyl, isopropyl or t-butyl group; X 1 and X 2 are each an anionic ligand, which may be the same or different; and L 1 and L 2 are each a neutral electron donor, which may be the same or different and at least one of L 1 and L 2 is a phosphorus-based ligand; where 2 or 3 of X 3 , X 2 , L 1 and L 2 may together form a multidentate, chelated ligand.