Homogeneous Catalytic Oxidation of Olefins with Hydrogen Peroxide in the Presence of a Manganese-Substituted Polyoxomolybdate

resumo

[PMo11Mn(H2O)O-39](5-) is used as catalyst in the homogeneous oxidation of cis-cyclooctene, cyclohexene, styrene, and geraniol with H2O2 in acetonitrile. Oxidation of cis-cyclooctene gives only cyclooctene oxide; cyclohexene-1,2-diol is the main product for cyclohexene; styrene is preferentially oxidized to benzaldehyde; a TOF almost as high as 28800 h(-1) is reached for geraniol oxidation.

palavras-chave

KEGGIN-TYPE POLYOXOMOLYBDATES; SELECTIVE OXIDATION; MOLECULAR-OXYGEN; BIFUNCTIONAL CATALYSTS; POLYOXOTUNGSTATES; MONOTERPENES; EPOXIDATION; CHEMISTRY; ALCOHOLS; ALKENES

categoria

Chemistry

autores

Duarte, TAG; Santos, ICMS; Simoes, MMQ; Neves, MGPMS; Cavaleiro, AMV; Cavaleiro, JAS

nossos autores

agradecimentos

Thanks are due to Fundacao para a Ciencia e a Tecnologia (FCT, Portugal), European Union, QREN, FEDER and COMPETE for funding the QOPNA research unit (project PEst-C/QUI/UI0062/2011) and CICECO (PEst-C/CTM/LA0011/2011).

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