Absolute rate constants for the reactions of some carbon-centered radicals with 2,2,6,6-tetramethylpiperidine-N-oxyl

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DOIResolve DOI: https://doi.org/10.1021/jo00243a007
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  1. National Research Council Canada
FormatText
TypeArticle
Journal titleJournal of Organic Chemistry
ISSN0022-3263
Volume53
Issue8
Pages1629–1632
Abstract
A time-resolved, laser flash photolysis study of the reaction of a variety of carbon-centered radicals with Tempo (2,2,6,6-tetramethylpiperidine-N-oxyl) at room temperature is reported. Some of the radicals examined and the corresponding measured rate constants (M -1 s -1) are CH 3(CH 2) 7ĊH 2, 1.2 × 10 9; (CH 3) 3C •, 7.6 × 10 8; C 6H 5ĊH 2, 4.9 × 10 8; C 6H 5Ċ(CH 3) 2, 1.2 × 10 8; (C 6H 5) 2ĊCH 3, 4.6 × 10 7. Arrhenius parameters have also been determined for the n-nonyl and benzyl radicals.
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LanguageEnglish
Peer reviewedYes
NPARC number21276733
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