Photoinduced oxidation of benzoic acid with aqueous hydrogen peroxide
- 1 January 1980
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 4,p. 616-619
- https://doi.org/10.1039/p29800000616
Abstract
The photodecomposition of benzoic acid in aqueous hydrogen peroxide has been studied. When the ratio [H2O2]0/[PhCO2H]0 is low, the decomposition of benzoic acid and hydrogen peroxide stops during irradiation, while at a high [H2O2]0/[PhCO2H]0 ratio, benzoic acid is completely decomposed with cleavage of the aromatic ring. Hydroxybenzoic acid is a major product, and benzene and phenol are minor products during the initial stages of oxidation. Later lower aliphatic acids such as malonic acid appear. The probable mechanism for decomposition is discussed on the basis of product yields.Keywords
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