Reaction Kinetics and Catalysis Letters

, Volume 43, Issue 2, pp 583–588 | Cite as

Vapor-phase oxidation of 4-picoline to pyridine-4-carboxaldehyde on a vanadium phosphate catalysts

  • A. Martin
  • B. Lücke
  • H. -J. Niclas
  • A. Förster
Article

Abstract

The vapor-phase oxidation of 4-picoline to pyridine-4-carboxaldehyde on (VO)2P2O7 has been studied. VOHPO4·0.5 H20 was used as catalyst precursor. The resulting aldehyde was trapped as oxime with hydroxylamine hydrochloride solution in a subsequent reaction. In the optimum temperature range (683–703 K), a high 4-picoline conversion with good selectivity for the aldehyde was observed.

Keywords

Oxidation Phosphate Catalysis Aldehyde Vanadium 

Abstract

Исследовали парофазное окисление 4-пиколина до пиридин-4-карбоксиальдегида на (VO)2P2O7. Предшественником катализатора служил VOHPO4·0,5H20. Образующийся альдегид ловили в виде оксима с помощью раствора гидрохлорида гидроксиламина. В оптимальном интервале температур (683–703 К) была достигнута высокая конверсия 4-пиколина с хорошей селективностью к альдегиду.

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Copyright information

© Akadémiai Kiadó 1991

Authors and Affiliations

  • A. Martin
    • 1
  • B. Lücke
    • 1
  • H. -J. Niclas
    • 1
  • A. Förster
    • 2
  1. 1.Central Istitute of Organic ChemistryAcademy of SciencesBerlinBRD
  2. 2.Division of ResearchChemiekombinat BitterfeldBitterfeldBRD

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