Electron spin resonance studies. Part 64. The hydroxyl radical-induced decarboxylation of methionine and some related compounds
- 1 January 1983
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 5,p. 731-738
- https://doi.org/10.1039/p29830000731
Abstract
Spin-trapping e.s.r. experiments employing both MeNO2(in conjunction with generation of ·OH from the TiIII–H2O2 couple in a flow system) and ButNO (in conjunction with the photolytic decomposition of H2O2) confirm that reaction of ·OH with methionine, S-methylcysteine, and some related compounds effects oxidative decarboxylation. It is proposed that the reaction proceeds via the sequential formation of an hydroxyl adduct at sulphur, a sulphur-centred radical-cation, and a (cyclic) sulphuranyl radical in which the carboxylate function becomes bonded to sulphur.Keywords
This publication has 0 references indexed in Scilit: