Abstract
Benzoic acid could be efficiently prepared from aerobic oxidation of toluene using manganese dioxide (MnO2) and N-hydroxyphthalimide (NHPI) as catalysts. The conditions of oxidation, including temperature, amount of catalyst, dioxygen pressure and reaction time, were studied in details. Thus 94.4% conversion of toluene and 98.4% selectivity of benzoic acid could be obtained at 110 °C under 0.3 MPa for 3 h in the presence of 10 mol% NHPI and 4 mol% MnO2.
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This work was supported by National Natural Science Foundation of China (No. 21073166).
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Jiang, J., Jing, Y., Zhang, Y. et al. Highly Efficient Oxidation of Toluene to Benzoic Acid Catalyzed by Manganese Dioxide and N-Hydroxyphthalimide. Catal Lett 141, 544–548 (2011). https://doi.org/10.1007/s10562-010-0507-9
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DOI: https://doi.org/10.1007/s10562-010-0507-9