Abstract
THE free radicals formed during the irradiation of alcohols frozen at −196° C have been examined extensively by electron spin resonance and, for the lower primary and secondary alcohols, they have been identified1 as R1(R2)COH. A similar investigation has been made of only one of the corresponding irradiated alkoxides, namely, sodium methoxide, for which Alger, Anderson and Webb2 observed a three-line spectrum which was similar to that from methanol, except that the proton hyperfine splitting constant (16 œ) was slightly smaller than that in methanol (18 œ). On the assumption that the alkoxides are ionic, Symons has briefly discussed this result in terms of the CH2Ō radical3.
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References
For leading references see: Symons, M. C. R., Adv. Phys. Org. Chem., 1, 283 (1963).
Alger, R. S., Anderson, T. H., and Webb, L. A., J. Chem. Phys., 30, 695 (1959).
Symons, M. C. R., J. Chem. Soc., 277 (1959).
Hirota, N., and Weissman, S. I., J. Amer. Chem. Soc., 82, 4424 (1960).
Cochran, E. L., Adrian, F. J., and Bowers, V. A., J. Chem. Phys., 34, 1161 (1961).
Dixon, W. T., and Norman, R. O. C., J. Chem. Soc., 3119 (1963).
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BENNETT, J. Electron Spin Resonance Spectra of γ-Irradiated Alkoxides. Nature 203, 514–515 (1964). https://doi.org/10.1038/203514a0
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DOI: https://doi.org/10.1038/203514a0
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