SHORTPAPER	Synthesis 2006: 1757-1759   DOI: 10.1055/s-2006-942356
© Georg Thieme Verlag Stuttgart · New York
Synthesis of Benzoic Acids by Aerobic Photooxidation with Hydrobromic Acid
Shin-ichi Hirashima, Akichika Itoh*
Gifu Pharmaceutical University, Mitahora-higashi, Gifu 502-8585, Japan e-Mail: itoha@gifu-pu.ac.jp;
Received 8 December 2005

Abstract

A methyl group at an aromatic nucleus is oxidized directly to the corresponding carboxylic acid in the presence of molecular oxygen and catalytic hydrobromic acid under photoirradiation.

Key words

aerobic - benzoic acid - hydrobromic acid - methyl group - photooxidation