Electrochemical behavior of a nitrobenzenesulfonyl derivative of aniline in aqueous solution
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Resumo
The electrochemical behavior of aniline protected by a nitrobenzene sulphonyl group in aqueous solution at a mercury electrode is reported. At pH < 10 the compound was reduced in a single well-defined step. Reduction of the nitro group involving a preceding protonation step was postulated. Two reduction steps are present at higher pH (pH > 11). Controlled potential electrolysis confirms that the reduction of the nitro group in a four-electron step to N-phenyl-4-hydroxylamine sulphonamide is always the preponderant process. ©1997 Soc. Bras. Química.
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Amine improtection, Cathodic cleavage, Nitrobenzenesulphonamide
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Inglês
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Journal of the Brazilian Chemical Society, v. 8, n. 3, p. 223-227, 1997.
