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Kinetics and Catalysis

, Volume 48, Issue 1, pp 38–44 | Cite as

Liquid-phase oxidation of α-pinene with oxygen catalyzed by carbon-supported platinum metals

  • L. I. Kuznetsova
  • N. I. Kuznetsova
  • A. S. Lisitsyn
  • I. E. Beck
  • V. A. Likholobov
  • J. E. Ancel
Article

Abstract

The liquid-phase oxidation of α-pinene with oxygen at 70–90°C is studied in the presence of Pd, Pt, Ru, Rh, and Ir supported on carbon. The conversion of α-pinene and the selectivity of formation of the main reaction products, namely, verbenol (1), verbenone (2), and α-pinene oxide (3), depends on the nature of the metal, on its oxidation state and extent of dispersion, and on the admixtures introduced into the system. In the presence of the Pt catalysts and promoting admixtures of tetrahexylammonium chloride (Hex4NCl), the selectivity of formation of the most valuable oxidation products (1 + 2) reaches 50% at an α-pinene conversion of 20–30%. The fraction of resinlike oxidation products decreases in the presence of the catalysts. The results obtained are discussed in the framework of the radical mechanism of α-pinene oxidation.

Keywords

Platinum Catalyst Platinum Metal Sodium Formate Verbenone Allylic Oxidation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© MAIK “Nauka/Interperiodica” 2007

Authors and Affiliations

  • L. I. Kuznetsova
    • 1
  • N. I. Kuznetsova
    • 1
  • A. S. Lisitsyn
    • 1
  • I. E. Beck
    • 1
  • V. A. Likholobov
    • 2
  • J. E. Ancel
    • 3
  1. 1.Boreskov Institute of Catalysis, Siberian BranchRussian Academy of SciencesNovosibirskRussia
  2. 2.Institute of Hydrocarbon Processing, Siberian BranchRussian Academy of SciencesOmskRussia
  3. 3.ARCHEMISDecines Charpieu CédexFrance

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