Abstract
The Keggin-type di -iron-substituted silicotungstate, γ-SiW 10 {Fe(OH 2 )} 2 O 38 6− , can catalyze the selective oxidation of various alkanes including methane with hydrogen peroxide. The tetrabutylammonium salt catalytically oxidized cyclohexane, n -hexane, n -pentane, and adamantane in acetonitrile. Even lower alkanes such as methane, ethane, propane, and n -butane were catalytically oxidized. It is remarkable that the efficiency of hydrogen peroxide utilization to oxygenated products reached up to ca. 100% for the oxygenation of cyclohexane and adamantane. It was also demonstrated that the water-soluble potassium salt catalytically oxidized the lower alkanes with hydrogen peroxide in water.
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