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US 6,888,018 B2Granted
Organometallic compound having high metathesis activity and method for preparation thereof, methathesis reaction catalyst comprising the compound, method of polymerization using the catalyst, and polymer produced by the method of polymerization
AssigneeSekisui Chemical Co., Ltd.
InventorsTakeharu Morita, Hiroshi Hiraike, Nobuhiro Goto, Masafumi Nakatani, Fumiyuki Ozawa, Hiroyuki Katayama
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Abstract
The present invention provides an organometallic compound represented by the general formula (1) or (2), process for producing the same, metathesis reaction catalyst containing the same, polymerization process using the same catalyst and polymer produced by the same polymerization process:
Claims20
An organometallic compound containing ruthenium or osmium and silicon, represented by the general formula (1):
- wherein, M is ruthenium or osmium;
- R1 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;
- R2 to R4 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 R1 is hydrogen atom, at least one of R2 to R4 is phenyl, isopropyl or t-butyl group;
- X1 and X2 are each an anionic ligand, which may be the same or different;
- and L1 and L2 are each a neutral electron donor, which may be the same or different and at least one of L1 and L2 is a phosphorus-based ligand;
- where 2 or 3 of X3, X2, L1 and L2 may together form a multidentate, chelated ligand.
4 more elements
An organometallic compound containing ruthenium or osmium and silicon, represented by the general formula (2):
- wherein, M is ruthenium or osmium;
- R5 is hydrogen atom, an alkenyl group of 2 to 20 carbon atoms, alkyl group of 1 to 20 carbon atoms, substituted phenyl group of 7 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 or arylsilyl group of 2 to 20 carbon atoms;
- R6 to R8 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 R5 is hydrogen atom, at least one of R6 to R8 is phenyl, isopropyl or t-butyl group;
- X3 and X4 are each a halogen atom, which may be the same or different;
- and L3 and L4 are each a neutral electron donor, which may be the same or different;
- where 2 or 3 of X3, X4, L3 and L4 may together form a multidentate, chelated ligand.
4 more elements
Dependencies are inferred from the claim text.