ESR spin-trap study of the radicals present during the thermolysis of some novel alkyl peroxy esters.

Mekarbane, Pierre G. and Tabner, Brian J. (2000) ESR spin-trap study of the radicals present during the thermolysis of some novel alkyl peroxy esters. Magnetic Resonance in Chemistry, 38 (10). pp. 845-852. ISSN 0749-1581

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Abstract

The thermolysis of four alkylperoxy esters was undertaken at various temperatures between 300 and 353 K and the radicals generated were trapped employing DMPO, DEPMPO, PBN-d14 and TTBNB. The adducts of a range of second-generation carbon-centred radicals, formed via decarboxylation of the acyloxyl moiety, including those of the 2,4,4-trimethylpentyl and hept-3-yl radicals, were also observed. The co-generated tert-alkoxyl radicals, released during the thermolysis of tert-butylperoxy-3,3,5-trimethylhexanoate, tert-amylperoxy-2-ethylhexanoate and the bifunctional peroxide 2,5-dimethyl-2,5-bis(2-ethylhexanoylperoxy)hexane, were all successfully trapped, as were a range of second-generation carbon-centred radicals formed following -scission of these tert-alkoxyl radicals.

Item Type:
Journal Article
Journal or Publication Title:
Magnetic Resonance in Chemistry
Uncontrolled Keywords:
/dk/atira/pure/researchoutput/libraryofcongress/ge
Subjects:
?? ESR SPECTROSCOPYRADICALSREACTION MECHANISMSPEROXIDESSPIN-TRAPMATERIALS SCIENCE(ALL)CHEMISTRY(ALL)GE ENVIRONMENTAL SCIENCES ??
ID Code:
21642
Deposited By:
Deposited On:
23 Jan 2009 13:10
Refereed?:
Yes
Published?:
Published
Last Modified:
21 Sep 2023 00:40