Unstable intermediates. Part 179. Electron spin resonance studies of radicals formed in irradiated organic sulphides and disulphides
- 1 January 1978
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 3,p. 225-231
- https://doi.org/10.1039/p29780000225
Abstract
Various organic sulphides, including dimethyl and di-t-butyl sulphide and methionine, together with disulphides, including dimethyl and dibutyl disulphides, cystine and lipoic acid have been exposed to 60Co γ-rays at 77 K, both in the pure state and in various solvents. E.s.r. and, in selected cases, optical spectra of the resulting intermediates are reported and discussed. In particular, the reaction R2S˙++ R2S → R2S–SR2 + is considered and it is suggested that certain species, previously identified as R2S˙+, are better identified as R2S–SR2 +. The structure of species having g values close to 2.058, 2.025, and 2.001 is also discussed.Keywords
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