Generation of α-aminoxylcarbenium ions by electron-transfer oxidation of N-tert-butyl-3-phenyloxazirane and their role in nitrone spin trapping chemistry
- 1 January 1995
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 12,p. 2183-2187
- https://doi.org/10.1039/p29950002183
Abstract
Using low-temperature EPR and optical absorption spectroscopy the α-aminoxylcarbenium ion 1˙+ was directly observed in frozen (77 K) halogenated matrices as a result of electron-transfer oxidation of N-tert-butyl-3-phenyloxazirane 4 by matrix radical cations. The aminoxylcarbenium ion 1˙+ reacts with nucleophilic anions Cl– to form an α-chloro-substituted aminoxyl radical 3.Keywords
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