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Oxidation of aromatic aldehydes and ketones by H2O2/CH3ReO3 in ionic liquids: a catalytic efficient reaction to achieve dihydric phenols

Roberta Bernini*, Antonietta Coratti, Gianfranco Provenzano, Giancarlo Fabrizi and Daniela Tofani

*Dipartimento A.B.A.C, UniversitÓ degli Studi della Tuscia, Via S. Camillo De Lellis, 01100 Viterbo, Italy, Email: berninirunitus.it

R. Bernini, A. Coratti, G. Provenzano, G. Fabrizi, D. Tofani, Tetrahedron, 2005, 61, 1821-1825.

DOI: 10.1016/j.tet.2004.12.025


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Abstract

A convenient and efficient oxidation of hydroxylated and methoxylated benzaldehydes and acetophenones to the corresponding phenols uses hydrogen peroxide and methyltrioxorhenium as catalyst in ionic liquids [bmim]BF4 and [bmim]PF6.

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Key Words

Dakin Reaction, Carboxylic Acids, Hydrogen Peroxide, Rhenium, Methyltrioxorhenium, Ionic Liquids


ID: J72-Y2005-2830