Oxidation of Benzyl Chlorides and Bromides to Benzoic Acids with 30% Hydrogen Peroxide in the Presence of Na₂WO₄, Na₂VO₄, or Na₂MoO₄ under Organic Solvent-Free Conditions

Min Shi* and Yan-Shu Feng

*Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Lu, Shanghai 200032, Email: mshisioc.ac.cn

M. Shi, Y.-S. Feng, J. Org. Chem., 2001, 66, 3235-3237.

DOI: 10.1021/jo001796n

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Abstract

Benzyl chlorides and bromides can be directly oxidized to the corresponding benzoic acids in an eco-safer way using 30% hydrogen peroxide with Na₂WO₄ * 2H₂O as a catalyst and [CH₃(n-C₈H₁₇)₃N]⁺HSO₄ as a phase-transfer agent (PTC) without any organic solvents.

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Key Words

carboxylic acids, hydrogen peroxide

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ID: J42-Y2001