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Updated: Aug 6, 2026

Preparation of Polyoxometalate-based Photo-responsive Membranes for the Photo-activation of Manganese Oxide Catalysts
Published on: August 7, 2018
Hybrid polyoxotungstates as second-generation POM-based catalysts for microwave-assisted H2O2 activation
Mauro Carraro1, Luca Sandei, Andrea Sartorel
1ITM-CNR and Department of Chemical Sciences, University of Padova, Via Marzolo 1, 35131 Padova, Italy.
Abstract:
[structure: see text] Organic-inorganic hybrids synthesized from lacunary polyoxotungstates (POMs) have been screened as oxidation catalysts with H2O2 under MW irradiation. Yields up to 99% have been obtained in 25-50 min depending both on the POM structure and on the organic moiety. The reaction scope, optimized with the best performing catalyst [gamma-SiW10O36(PhPO)2]4-, includes epoxidation of terminal and internal double bonds, alcohol oxidation, and sulfoxidation, as well as oxygen transfer to electron-deficient substrates as chalcone, ketones, and sulfoxides.
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