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Iminoxyl radicals and stable products from the one-electron oxidation of 1-methylindole-3-carbaldehyde oximes

Abstract:

The radical intermediates and the stable products formed on one-electron oxidation of 1-methylindole-3-carbaldehyde oxime 2a were compared with those of 1-methylindole-3-carboxamidine oxime 4a in aqueous solution. The dibromide radical anion generated radiolytically by pulse radiolysis reacted with both 2a and 4a >C=NOH to yield the radical cations [>C=NOH]·+, which exist in prototropic equilibria with the neutral iminoxyl radicals [>C=NO]· (pKa = 3.53 ∓ 0.03 and 5.01 ± 0.01 at ionic...

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Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MSD, Oncology
Role:
Author
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Journal:
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2
Issue:
10
Pages:
1989-1997
Publication date:
2001-10-05
ISSN:
1472-779X
URN:
uuid:26809c56-b26c-4bb1-9d30-e7ef969e06ae
Source identifiers:
131603
Local pid:
pubs:131603
Language:
English

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