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Letters in Organic Chemistry

Author(s): Gustavo P. Romanelli, Paula I. Villabrille, Patricia G. Vazquez, Carmen V. Caceres and Pietro Tundo

DOI: 10.2174/157017808784872142

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Phenol and Naphthol Oxidation to Quinones with Hydrogen Peroxide Using Vanadium-Substituted Keggin Heteropoly Acid as Catalyst

Page: [332 - 335] Pages: 4

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Abstract

Phenols and naphthols were oxidized to the corresponding quinones using 60% p/V hydrogen peroxide and a substituted vanadium Keggin heteropolyacid (H4PMo11VO40.12H2O, HPA) as catalyst. The reactions were carried out at room temperature using acetone as solvent. This procedure was a mild and effective alternative for the phenol oxidation to quinones in good yields.

Keywords: Oxidation, phenol, naphthol, quinones, hydrogen peroxide, Keggin molybdovanadophosphate