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Topics in Catalysis

, Volume 57, Issue 17–20, pp 1505–1511 | Cite as

Hydrogenation of Cinnamaldehyde over Pd/Al2O3 Catalysts Modified with Thiol Monolayers

  • Karl R. Kahsar
  • Stephanie Johnson
  • Daniel K. Schwartz
  • J. Will MedlinEmail author
Original Paper

Abstract

Modification of supported Pt catalysts with thiols has recently been shown to improve the hydrogenation selectivity of α,β-unsaturated aldehydes to unsaturated alcohols. Here, we apply a variety of organic thiol coatings to Pd/Al2O3 catalysts that typically have a much lower intrinsic selectivity for desired product formation. Thiol monolayers were found to increase hydrogenation selectivity to cinnamyl alcohol; however, unlike with Pt catalysts, the increase was independent of the identity of the organic tail.

Keywords

Cinnamaldehyde Selective hydrogenation Self-assembled monolayer Palladium platinum Alumina 

Notes

Acknowledgments

This research was supported by the Department of Energy, Office of Science, Basic Energy Sciences Program, Chemical Sciences, Geosciences, and Biosciences Division under Grant Number DE-FG02-10ER16206.

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • Karl R. Kahsar
    • 1
  • Stephanie Johnson
    • 1
  • Daniel K. Schwartz
    • 1
  • J. Will Medlin
    • 1
    Email author
  1. 1.University of Colorado BoulderBoulderUSA

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