Oxidation of benzene to phenols with molecular oxygen promoted by copper(I) chloride
- 1 January 1988
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 3,p. 285-293
- https://doi.org/10.1039/p29880000285
Abstract
Benzene suspended in aqueous sulphuric acid solution was hydroxylated with O2 in the presence of copper(I) chloride to give phenol and hydroquinone in yields of 24 and 8%, respectively. The active species generated from the CuI–O2 system was shown to be hydroxyl radical from two pieces of evidence. It was suggested that hydroquinone is produced via an intermediate peroxyl radical, which is formed by the reaction of hydroxycyclohexadienyl radical with O2.Keywords
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