Glyoxal-promoted homogeneous catalytic oxygenation of cyclohexane with hydrogen peroxide in the presence of V and Co compounds |
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| Authors: | A. P. Pocutsa J. Le Bras J. Muzart |
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| Affiliation: | (1) Division of Physical Chemistry and Technology of Mineral Fuels, L. V. Pisarzhevsky Institute of Physical Chemistry, the National Academy of Sciences of Ukraine, 3A ul. Nauchnaya, 79053 L’vov, Ukraine;(2) UMR CNRS 6519, University of Reims Champagne-Ardenne, B. P. 1039, 51687 Reims Cedex 2, France |
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| Abstract: | The efficiency of cyclohexane oxidation with hydrogen peroxide catalyzed by vanadyl acetylacetonate at 40 °C and atmospheric pressure is enhanced by glyoxal additive. The process selectively produces a mixture of cyclohexyl hydroperoxide, cyclohexanol, and cyclohexanone with a high rate (up to 4400 catalyst turnover number). Cobalt(II) acetylacetonate is much less active but more selective with respect to cyclohexyl hydroperoxide.__________Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 2, pp. 307–310, February, 2005. |
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| Keywords: | catalysis oxidation cyclohexane vanadyl acetylacetonate cobalt( font-variant:small-caps" >II) acetylacetonate acetic acid hydrogen peroxide glyoxal |
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