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Substituent effects on benzyl radical hyperfine coupling constants. Part 2. The effect of sulphur substituents

From National Research Council Canada

DOIResolve DOI: https://doi.org/10.1139/v84-190
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Abstract
Several 4-substituted benzyl radicals of the general form R(On)SC6H4CH2*(n = 0, 1, 2; R = Me, Ph, Tol, COCH3 OCH3) have been investigated by electron spin resonance (esr) spectroscopy. In general, the ability to delocalize spin density onto the substituent decreases as n increases. The effect of R on the spin density depends on the oxidation state of the sulphur. These trends are explained by considering the sulphur to be either a spin donor or a spin acceptor, depending on the oxidation state. The σ*∝ values are determined.
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  • Canadian Journal of Chemistry 62, no. 6 (1984): 1164–1168.
LanguageEnglish
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NPARC number12327523
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Record created2009-09-10
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