Electron spin resonance studies. Part XX. The generation of organic radicals by the one-electron reduction of aliphatic halogeno-compounds in aqueous solution
- 1 January 1969
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society B: Physical Organic
- p. 400-403
- https://doi.org/10.1039/j29690000400
Abstract
The carbon dioxide radical-anion, which can be obtained in aqueous solution through the oxidation of sodium formate by the hydroxyl radical produced from titanium(III) ion and hydrogen peroxide, is an effective one-electron reducing agent for many aliphatic halogeno-compounds; we have observed the e.s.r. spectra of a number of organic radicals formed in this way. The method seems to be generally applicable to iodo-compounds, but with bromo- or chloro-compounds there is a requirement for a substituent which is capable of stabilising the resulting radical. The conjugate acid of the carbon dioxide radical-anion is a somewhat less effective reducing agent, and the radical ·CMe2OH is even less effective.Keywords
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