title: Hybrid polyoxotungstates as second-generation POM-based catalysts for microwave-assisted H2O2 activation.
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.
authors.affiliation: ITM-CNR and Department of Chemical Sciences, University of Padova, Via Marzolo 1, 35131 Padova, Italy.
authors.forename: Mauro
authors.initials: M
authors.lastname: Carraro
authors.forename: Luca
authors.initials: L
authors.lastname: Sandei
authors.forename: Andrea
authors.initials: A
authors.lastname: Sartorel
authors.forename: Gianfranco
authors.initials: G
authors.lastname: Scorrano
authors.forename: Marcella
authors.initials: M
authors.lastname: Bonchio