An electron spin resonance study of some sulphonyl radicals in solution
- 1 January 1973
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 5,p. 626-630
- https://doi.org/10.1039/p29730000626
Abstract
The solution e.s.r. spectra of a series of alkane-, arene- and alkoxy-sulphonyl radicals are reported. The magnitudes of the proton hyperfine splittings in the alkanesulphonyl radicals –[graphic omitted]H–[graphic omitted]H–[graphic omitted]H–SO2 follow the unusual order |a|(β-H) > |a|(α-H)≃|a|(γ-H). For the alkane- and arene-sulphonyl radicals evidence is found for the presence of hindered rotation about the C–S bond. t-Butoxyl radicals react with sulphur dioxide to form t-butoxysulphonyl radicals with a rate constants of ca. 107–108 l mol–1 s–1 at –40°.Keywords
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