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Mono-oxygenase-like oxidation of hydrocarbons using supported manganese–porpnyrin catalysts: beneficial effects of a silica support for alkane hydroxylation
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1989
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Inorganic ChemistryChemical EngineeringMono-oxygenase-like OxidationEngineeringManganese–porpnyrin CatalystsSilica SupportSupported Mn–porphyrin CatalystOrganic ChemistryCatalysisMolecular CatalysisChemistryCatalyst PreparationCatalytic ProcessSoluble Mn–porphyrinsStrong AdsorptionCatalytic Synthesis
A supported Mn–porphyrin catalyst was prepared by strong adsorption of the tetracationic Mn[meso-tetra(4-N-methylpyridiniumyl) porphyrin](Cl)4+4Cl– on silica, and was found very efficient for cyclo-octene epoxidation (95% yield, 13 turnovers per min) and for alkane hydroxylation, with alcohol yields and alcohol: ketone ratios remarkably higher than those obtained with corresponding soluble Mn–porphyrins.