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Issue 16, 2017
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Alkaloid-induced asymmetric hydrogenation on bimetallic Pt@Cu cathodes under electrochemical conditions

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Abstract

Bimetallic Pt@Cu nanoparticles (NPs) with low Pt loading obtained by reducing platinum precursors on Cu NPs were coated on carbon paper and used as a cathode for asymmetric hydrogenation by the electrochemical method. The Pt@Cu NPs exhibited enhanced catalytic performance in ketone electrohydrogenation. The enantioselective electrohydrogenation of pro-chiral aromatic ketones (2,2,2-trifluoroacetophenone, acetophenone, 2-phenylacetone, 4-methylacetophenone) induced by cinchonidine alkaloids was investigated in an undivided cell to obtain optically active alcohols. Optically active α-(trifluoromethyl)benzyl alcohols with 59% enantiomeric excess and 25% yield were obtained. All experimental procedures were performed under mild conditions, that is, without the utilization of high temperature and pressure. The Pt@Cu NPs showed excellent stability and reusability.

Graphical abstract: Alkaloid-induced asymmetric hydrogenation on bimetallic Pt@Cu cathodes under electrochemical conditions

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Publication details

The article was received on 15 Mar 2017, accepted on 05 Jul 2017 and first published on 05 Jul 2017


Article type: Letter
DOI: 10.1039/C7NJ00844A
Citation: New J. Chem., 2017,41, 7853-7856
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    Alkaloid-induced asymmetric hydrogenation on bimetallic Pt@Cu cathodes under electrochemical conditions

    Y. Yue, D. Wu, S. Zeng, M. Yang, H. Wang and J. Lu, New J. Chem., 2017, 41, 7853
    DOI: 10.1039/C7NJ00844A

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