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IR Spectroscopy study of the interaction of methylpyrazine and 4-methylpyrimidine with vanadium and molybdenum oxides supported on magnesium oxide

  • Physical Chemistry
  • Published:
Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    The introduction of vanadium and molybdenum oxides into MgO gives rise to the formation of acid centers which bond with adsorbed methylpyrazine and 4-methylpyrimidine through the ring nitrogen atom.

  2. 2.

    Increasing the temperature changes the state of these active centers and thereby increases the strength of coordinational bonding of the methylpyrazine and 4-methylpyrimidine with the surface of the vanadium and molybdenum oxides on MgO. Similar effects are not observed in the interaction of these diazines with the γ-Al2O3 surface.

  3. 3.

    The interaction of oxygen with methylpyrazine and 4-methylpyrimidine adsorbed on vanadium and molybdenum oxides supported by MgO gives rise to the formation of surface heterocyclic carbonyl compounds.

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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 11, pp. 2468–2473, November, 1977.

The authors would like to thank M. Ya. Kushnerev for having carried out the x-ray analyses.

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Iovel', I.G., Kadushin, A.A., Shimanskaya, M.V. et al. IR Spectroscopy study of the interaction of methylpyrazine and 4-methylpyrimidine with vanadium and molybdenum oxides supported on magnesium oxide. Russ Chem Bull 26, 2287–2292 (1977). https://doi.org/10.1007/BF00958712

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  • DOI: https://doi.org/10.1007/BF00958712

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