| Budget Amount *help |
¥27,170,000 (Direct Cost: ¥20,900,000、Indirect Cost: ¥6,270,000)
Fiscal Year 2014: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2013: ¥6,760,000 (Direct Cost: ¥5,200,000、Indirect Cost: ¥1,560,000)
Fiscal Year 2012: ¥17,420,000 (Direct Cost: ¥13,400,000、Indirect Cost: ¥4,020,000)
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| Outline of Final Research Achievements |
In this work, we controlled the catalytically active sites of polyoxometalates at atomic and/or molecular levels and developed highly functionalized oxidation catalysts, in which all tungsten atoms can work as active sites for selective oxidation of hydrocarbons with green oxidants such as hydrogen peroxide and molecular oxygen. The details are as follows: (i) Investigation of reaction mechanism for epoxidation of alkenes with hydrogen peroxide catalyzed by a protonated tetranuclear peroxotungstate with NMR spectroscopy, kinetics, and DFT calculations, (ii) synthesis of a novel all-inorganic mononuclear chloro oxo diperoxotungstate applicable to the high-yield synthesis of an active protonated tetranuclear peroxotungstate, and (iii) highly selective epoxidation of cycloaliphatic alkenes with aqueous hydrogen peroxide catalyzed by a phosphorus-centered tetranuclear peroxotungstate/imidazole.
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