Catalysis Letters

, Volume 1, Issue 5, pp 127–131

The role of the carbonaceous overlayer in the competitive hydrogenation of cyclopropanes and olefins

  • István Pálinkó
  • Ferenc Notheisz
  • Mihály Bartók
Article

DOI: 10.1007/BF00765894

Cite this article as:
Pálinkó, I., Notheisz, F. & Bartók, M. Catal Lett (1988) 1: 127. doi:10.1007/BF00765894

Abstract

In the competitive hydrogenation of olefin-cyclopropane mixtures (2-Me-2-butene + 1,1-diMe-cyclopropane and 2,4-diMe-2-pentene + 1,1,2,2-tetraMe-cyclopropane) over silica supported Pt, Pd and Rh catalysts at 318 K and 373 K, only the olefin is hydrogenated. The other component does not react even after the complete hydrogenation of the olefin. The olefin creates a hydrogen-rich carbonaceous overlayer which is the active phase for its hydrogenation but it is a permanent poison for the hydrogenative ring opening of the cyclopropane ring. On Ni/SiO2 at 473 K, however, such an overlayer does not form and both reactants transform in parallel in a complex way.

Copyright information

© J.C. Baltzer A.G. Scientific Publishing Company 1988

Authors and Affiliations

  • István Pálinkó
    • 1
  • Ferenc Notheisz
    • 1
  • Mihály Bartók
    • 1
  1. 1.Department of Organic ChemistryAttila József UniversitySzegedHungary