Hydrogenation of Cinnamaldehyde over Pd/Al2O3 Catalysts Modified with Thiol Monolayers |
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Authors: | Karl R Kahsar Stephanie Johnson Daniel K Schwartz J Will Medlin |
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Affiliation: | 1. University of Colorado Boulder, 596 UCB, Boulder, CO, 80309, USA
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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. |
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