Kinetic applications of electron paramagnetic resonance spectroscopy. XVI. Cyclization of the 5-hexenyl radical

From National Research Council Canada

DOIResolve DOI: https://doi.org/10.1021/ja00827a018
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  1. National Research Council Canada
FormatText
TypeArticle
Journal titleJournal of the American Chemical Society
ISSN0002-7863
Volume96
Issue20
Pages6355–6357
Abstract
The rate constant, kc, for cyclization of the 5-hexenyl radical to the cyclopentylmethyl radical has been measured from -45 to -85° by an epr spectroscopic technique. It can be represented by log (kc/-1) = (10.7 ± 1.0) - (7.8 ±1.0)/θ, where θ = 2.3RT kcal/mol. Extrapolation of this equation yields kc = 1 × 105 sec-1 at 25°, in excellent agreement with an earlier estimate.
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LanguageEnglish
Peer reviewedYes
NPARC number21276430
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