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

D. J. Robinson, P. McMorn, D. Bethell, P. C. B Bulman Page, C. Sly, F. King, F. E. Hancock, G. J. Hutchings

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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.
Original languageEnglish
Pages (from-to)233-234
Number of pages2
JournalCatalysis Letters
Volume72
Issue number3-4
Publication statusPublished - 2001

Keywords

  • CATALYSTS
  • N-oxidation of pyridine
  • catalysis
  • uncatalysed oxygen transfer
  • hydrogen peroxide
  • TS-1
  • heterogeneous

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