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N-oxidation of pyridines by hydrogen peroxide in the presence of TS-1

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Abstract

In the production of aromatic N-oxides using the oxidation of N-containing heterocyclic aromatic substrates with H2O2 as oxidant, the non-catalysed homogeneous oxidation is found to play an important part in the overall reaction. In addition, when TS-1 is used as a catalyst, there are many potential competitive interactions between the catalyst, the reactants and the products, which limit the effectiveness of the catalyst. It is concluded that the use of TS-1 and other microporous catalysts for the heterogeneous N-oxidation of pyridine and substituted pyridines needs to be interpreted with caution.

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Authors
  1. Denis J. Robinson
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  2. Paul McMorn
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  3. Donald Bethell
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  4. Philip C. Bulman-Page
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  5. C. Sly
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  6. Frank King
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  7. Frederick E. Hancock
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  8. G.J. Hutchings
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Robinson, D.J., McMorn, P., Bethell, D. et al. N-oxidation of pyridines by hydrogen peroxide in the presence of TS-1. Catalysis Letters 72, 233–234 (2001). https://doi.org/10.1023/A:1009020912209

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  • DOI: https://doi.org/10.1023/A:1009020912209

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