NMR investigation of aniline oligomers produced in the oxidation of aniline in alkaline medium

The chloroform‐soluble products of aniline or (15N)aniline oxidation in alkaline medium were analysed using one‐ and two‐dimensional 1H NMR, 13C NMR and 15N NMR spectroscopy. Among the products, two were found to be prominent, namely a carbonyl‐containing semiquinonoid and a phenazine‐like structure...

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Veröffentlicht in:	Polymer international 2011-09, Vol.60 (9), p.1296-1302
Hauptverfasser:	Kříž, Jaroslav, Konyushenko, Elena N, Trchová, Miroslava, Stejskal, Jaroslav
Format:	Artikel
Sprache:	eng
Schlagworte:	Aniline aniline oligomers aniline oxidation Applied sciences Carbonyls Exact sciences and technology NMR NMR spectroscopy Nuclear magnetic resonance Oligomers Organic polymers Oxidation Physicochemistry of polymers polyaniline Polymers with particular properties Preparation, kinetics, thermodynamics, mechanism and catalysts Two dimensional
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Zusammenfassung:	The chloroform‐soluble products of aniline or (15N)aniline oxidation in alkaline medium were analysed using one‐ and two‐dimensional 1H NMR, 13C NMR and 15N NMR spectroscopy. Among the products, two were found to be prominent, namely a carbonyl‐containing semiquinonoid and a phenazine‐like structure. The probable mechanism of their formation is suggested. Copyright © 2011 Society of Chemical Industry Products of aniline oxidation in alkaline medium were analysed using NMR spectroscopy. Semiquinonoid and phenazine‐like structures were found to be prominent.
ISSN:	0959-8103 1097-0126
DOI:	10.1002/pi.3079