Olefin oxidation catalyst system

Details Olefin oxidation catalyst system Olefin oxidation catalyst system

B - Operations, Transporting

01

J

260/583, 252/53.

B01J 23/76 (2006.01) B01J 23/84 (2006.01) B01J 31/16 (2006.01) C07C 45/34 (2006.01) C07C 45/35 (2006.01)

Patent

CA 1268166

Abstract Olefin Oxidation Catalyst System The addition of redox-active metal components and ligands, alternatively or simultaneously, results in increased conversion and selectivity in the palladium- catalyzed oxidation of olefins to carbonyl products in the presence of polyoxoanions. In preferred modes, heteropolyoxoanions and isopolyoxoanions containing tungsten, molybdenum and vanadium, individually or in combination, are described. The use of copper as the redox-active metal component shows reduced allylic reactivity. The elimination of chloride from the catalyst system provides substantial engineering advantages over the prior art, particularly, the reduction of corrosion and chloro-organic by-product formation. The use of redox-active metal components and/or ligands makes the palladium-polyoxoanion catalyst system industrially practicable.

518817

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