Catalysis Letters

, Volume 5, Issue 2, pp 169–174 | Cite as

Chemioselectivity in cinnamaldehyde hydrogenation induced by shape selectivity effects in Pt-Y zeolite catalysts

  • P. Gallezot
  • A. Giroir-Fendler
  • D. Richard
Article

Abstract

Platinum and rhodium particles encapsulated in Y-type zeolite are much more selective for the hydrogenation of cinnamaldehyde to cinnamyl alcohol than active charcoal-supported platinum and rhodium catalysts. The good selectivity is interpreted in terms of molecular constraints in the zeolite micropores which favour an end-on adsorption of the molecule via the C = O group on the encapsulated metal.

Platinum catalysts selectivity hydrogenation 

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Copyright information

© J.C. Baltzer A.G. Scientific Publishing Company 1990

Authors and Affiliations

  • P. Gallezot
    • 1
  • A. Giroir-Fendler
    • 1
  • D. Richard
    • 1
    • 2
  1. 1.Institut de Recherches sur la CatalyseVilleurbanne cédexFrance
  2. 2.Davy Faraday Research LaboratoryRoyal InstitutionLondonUK

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