Intermolecular hydrogen-atom abstraction by vinyl radicals derived from hydroxyalkyl radicals and alkynes: an electron spin resonance investigation
- 1 January 1987
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 3,p. 329-336
- https://doi.org/10.1039/p29870000329
Abstract
The rapid addition of α-hydroxyalkyl radicals ˙CR1R2OH (R1= H, Me; R2= H, Me) to butynedioic acid to give intermediate vinyl radicals (k ca. 107 dm3 mol–1 s–1) is followed by intermolecular hydrogen-transfer (k ca. 106 dm3 mol–1 s–1) from the parent alkanols. The alkenes thus formed also undergo subsequent ready addition of ˙CR1R2OH to give radicals which in some cases demonstrate unusual line-broadening effects.Keywords
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