Issue 5, 2007
From the journal:

Photochemical & Photobiological Sciences

Aerobic visible light-oxidation of aromatic methyl groups to carboxylic acids†

Shin-ichi Hirashimaa  and  Akichika Itoh*a  

* Corresponding authors

a Gifu Pharmaceutical University, 5-6-1 Mitahora-higashi, Gifu, Japan
E-mail: itoha@gifu-pu.ac.jp
Fax: +81 58 237 5979
Tel: +81 58 237 3931

Abstract

A catalytic amount of magnesium bromide diethyl etherate (MgBr2·Et2O) enables us to carry out the aerobic photo-oxidation of a methyl group at the aromatic nucleus to the corresponding carboxylic acid in high yield under irradiation of VIS from a general-purpose fluorescent lamp. The bromine radical is thought to be generated in situ by continuous aerobic photo-oxidation of the bromine anion from MgBr2·Et2O, and to effect this oxidation reaction.

Graphical abstract: Aerobic visible light-oxidation of aromatic methyl groups to carboxylic acids

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Article information

DOI
https://doi.org/10.1039/B702703F
Article type
Communication
Submitted
21 Feb 2007
Accepted
27 Mar 2007
First published
12 Apr 2007

Photochem. Photobiol. Sci., 2007,6, 521-524

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Aerobic visible light-oxidation of aromatic methyl groups to carboxylic acids

S. Hirashima and A. Itoh, Photochem. Photobiol. Sci., 2007, 6, 521 DOI: 10.1039/B702703F

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