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An ESR spin-trap study of radicals present during the thermolysis of some di-t-alkyl peroxides.

Mekabane, Pierre G. and Tabner, Brian J. (1998) An ESR spin-trap study of radicals present during the thermolysis of some di-t-alkyl peroxides. Magnetic Resonance in Chemistry, 36 (11). pp. 826-832. ISSN 0749-1581

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Abstract

The thermolysis mechanism of di-tert-butyl and di-tert-amyl peroxide was investigated in a variety of solvents employing electron spin resonance in collaboration with the spin-trapping technique. The tert-amyloxyl radical was trapped for the first time during the thermolysis of di-tert-amyl peroxide. The relative ease of -scission of the tert-amyloxyl radical to give propan-2-one and butan-2-one was established as 32:1 at 382 K. In addition, competition reactions indicate that radicals derived from di-tert-butyl peroxide are ca. 5.5 times more reactive than those derived from di-tert-amyl peroxide towards hydrogen atom abstraction from toluene at 382 K.

Item Type: Article
Journal or Publication Title: Magnetic Resonance in Chemistry
Uncontrolled Keywords: radicals • thermolysis • spin trap • di-tert-alkyl peroxides • ESR • -scission
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 21852
Deposited By: ep_ss_importer
Deposited On: 10 Feb 2009 13:38
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 15:52
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/21852

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