Interaction between ketopantolactone and chirally modified Pt investigated by attenuated total reflection IR concentration modulation spectroscopy |
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| Authors: | Bonalumi Norberto Bürgi Thomas Baiker Alfons |
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| Affiliation: | Institute for Chemical and Bioengineering, ETH-H?nggerberg, HCI, CH-8093 Zurich, Switzerland. |
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| Abstract: | The combination of ATR-IR and modulation spectroscopy allowed for the study of the interaction of ketopantolactone with Pt/Al2O3 films chirally modified by cinchonidine under hydrogenation conditions. The spectra reveal a significant influence of ketopantolactone on the adsorption of the modifier and indicate a N-H-O hydrogen bond between modifier and reactant. The latter was corroborated by a comparative study with N-methyl cinchonidine chloride modified Pt/Al2O3. |
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