Issue 0, 1971

Mechanism of oxidations by chloramine-T. Part I. Oxidation of α-hydroxy-acids

Abstract

Kinetics of the osmium(VIII)-catalysed oxidation of glycollic, lactic, and mandelic acids have been investigated in alkaline media. First-order rate plots in chloramine-T were linear up to two half-lives. However, under pseudo-first-order conditions the rate constants showed a slight decrease with increase in chloramine-T concentration. The rate of reaction was independent of α-hydroxy-acid concentration and directly proportional to the osmium-(VIII) and the reciprocal of the hydroxide ion concentrations. The formation of a complex between N-chlorotoluene-p-sulphonamide and osmium(VIII) is rate-determining and is followed by the rapid transfer of a hydride ion from the substrate to this complex.

Article information

Article type
Paper

J. Chem. Soc. B, 1971, 1712-1714

Mechanism of oxidations by chloramine-T. Part I. Oxidation of α-hydroxy-acids

S. P. Mushran, M. C. Agrawal and B. Prasad, J. Chem. Soc. B, 1971, 1712 DOI: 10.1039/J29710001712

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