Catalysts and methods for catalytic oxidation

C - Chemistry – Metallurgy – 07 – F

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260/383, 252/52.

C07F 15/02 (2006.01) B01J 31/16 (2006.01) B01J 31/18 (2006.01) C07F 13/00 (2006.01) C11D 3/39 (2006.01)

Patent

CA 2282406

Catalytic systems and methods for oxidizing materials in the presence of metal catalysts (preferably manganese-containing catalysts) complexed with selected macropolycyclic rigid ligands, preferably cross- bridged macropolycyclic ligands. Included are using these metal catalysts in such processes as: synthetic organic oxidation reactions such as oxidation of organic functional groups, hydrocarbons, and heteroatoms, including enantiomeric epoxidation of alkenes, enynes, sulfides to sulfones and the like; oxidation of oxidizable compounds (e.g., stains) on surfaces such as fabrics, dishes, dishes, countertops, dentures and the like; oxidation of oxidizable compounds in solution, dye transfer inhibition in the laundering of fabrics; and further in the bleaching of pulp and paper products.

L'invention concerne des systèmes et des procédés catalytiques d'oxydation de matériaux en présence de catalyseurs métalliques (de préférence des catalyseurs contenant du manganèse) transformés en complexe avec des ligands rigides macropolycycliques sélectionnés, de préférence des ligands polycycliques montés transversalement. L'invention concerne également l'utilisation de ces catalyseurs métalliques dans des procédés tels que: des réactions d'oxydation organique de synthèse telle que l'oxydation de groupes organiques fonctionnels, d'hydrocarbures et d'hétéroatomes, notamment l'époxydation énantiomère d'alcènes, d'énynes, de sulfures en sulfones et analogues; l'oxydation de composés oxydables (par exemple, des tâches) sur des surfaces telles que des tissus, des plats, des comptoirs, des prothèses et analogues; l'oxydation de composés oxydables en solution, l'inhibition du transfert de couleurs dans le lessivage de tissus; et également dans le blanchiment de produits de pâte et de papier.

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