Oxidation of aniline with solutions of Mo—V-phosphoric heteropolyacids |
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| Authors: | M V Simonova E G Zhizhina V V Russkikh K I Matveev |
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| Institution: | (1) G. K. Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, 5 prosp. Akad. Lavrent'eva, 630090 Novosibirsk, Russian Federation;(2) N. N. Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Branch, Russian Academy of Sciences, 9 prosp. Akad. Lavrent'eva, 630090 Novosibirsk, Russian Federation |
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| Abstract: | Mo—V-phosphoric heteropolyacids (HPA) can be used for aniline oxidation to polyaniline or 1,4-benzoquinone. At room temperature
and the molar ratio HPA : aniline = 0.67, more than 95% substrate are oxidized to polyaniline. At 90–100 °C and HPA : aniline
= 3, the substrate is quantitatively oxidized to 1,4-benzoquinone. Solutions of HPA are regenerated by oxygen in a separate
step.
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 6, pp. 1488–1490, June, 2005. |
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| Keywords: | heteropolyacids catalytic oxidation aniline polyaniline 1 4-benzoquinone |
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