Radical cations of 1,4-dialkoxybenzenes and alkyl 1,4-dialkoxybenzenes generated through one-electron oxidation by perfluorodiacyl peroxides

Radical cations of 1,4-dialkoxybenzenes and alkyl 1,4-dialkoxybenzenes generated through... Radical cations of 1,4-dialkoxybenzenes 1 and 2 and alkyl 1,4-dialkoxybenzenes 3–9 generated in oxidation of the parent donors by perfluorodi[1-(2-fluorosulfonyl)ethoxy]propionyl peroxide 10 at −40°C and pentafluorobenzoyl peroxide 11 at 15°C were observed by ESR. Radical cation 6 +˙, generated in other oxidation systems, i.e., Ce(SO4)2/THF, NH4/OAc and (NH4)2S2O8/HOAc, has also been investigated. Based on ESR observation and products analysis, an electron-transfer mechanism of the oxidation reaction is proposed and the influencing factors on hyperfine splitting constants of the radical cations are discussed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Radical cations of 1,4-dialkoxybenzenes and alkyl 1,4-dialkoxybenzenes generated through one-electron oxidation by perfluorodiacyl peroxides

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Publisher
Brill Academic Publishers
Copyright
Copyright © 2006 by VSP
Subject
Chemistry; Inorganic Chemistry; Physical Chemistry; Catalysis
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1163/156856706775372762
Publisher site
See Article on Publisher Site

Abstract

Radical cations of 1,4-dialkoxybenzenes 1 and 2 and alkyl 1,4-dialkoxybenzenes 3–9 generated in oxidation of the parent donors by perfluorodi[1-(2-fluorosulfonyl)ethoxy]propionyl peroxide 10 at −40°C and pentafluorobenzoyl peroxide 11 at 15°C were observed by ESR. Radical cation 6 +˙, generated in other oxidation systems, i.e., Ce(SO4)2/THF, NH4/OAc and (NH4)2S2O8/HOAc, has also been investigated. Based on ESR observation and products analysis, an electron-transfer mechanism of the oxidation reaction is proposed and the influencing factors on hyperfine splitting constants of the radical cations are discussed.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Feb 1, 2006

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