Patent ID: 7632772
Filing Date: 2009-12-15
Classification: B01J,C07C,C07F,Y02P

Abstract:
1. A composition comprising a recyclable ruthenium catalyst having a ligand chemically bonded to a support material and which is represented by formula IIIa, IIIb, or IIIc: wherein G is a support material selected from the group consisting of resins, polymers, PEGs, and silica gel, wherein the support material has amino, hydroxy, alkylthio, haloalkyl, or carboxylic group on the surface or terminal thereof; X Y is a neutral two-electron donor selected from the group consisting of oxygen, sulfur, nitrogen and phosphorus; R is H, halogen atom, alkyl, alkoxy, aryl, aryloxy, alkylcarbonyl, arylcarbonyl, alkoxycarbonyl, aryloxycarbonyl, heteroaryl, carboxyl, (RCO R R EWG is an electron withdrawing group selected from the group consisting of aminosulfonyl, amidosulfonyl, N-heteroarylsulfonyl, arylsulfonyl, arylsulfinyl, arylcarbonyl, alkylcarbonyl, aryloxycarbonyl, aminocarbonyl, amido, sulfonamido, chloro, fluoro, and haloalkyl group; and L is an electron donating ligand, which may be linked to X