Identification of catalyst surface species during asymmetric platinum-catalysed hydrogenation in a "supercritical" solvent |
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| Authors: | Schneider Michael S Urakawa Atsushi Grunwaldt Jan-Dierk Bürgi Thomas Baiker Alfons |
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| Institution: | Institute for Chemical and Bioengineering, ETH H?nggerberg, Zürich, Switzerland. |
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| Abstract: | In situ attenuated total reflection infrared spectroscopy studies during the enantioselective hydrogenation of ethyl pyruvate in "supercritical" ethane over a chirally modified Pt/Al(2)O(3) catalyst show the preferential adsorption of ethyl pyruvate as cis-conformer and indicate a hydrogen bond interaction of this species with the co-adsorbed modifier cinchonidine. |
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