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  • Construction of Pd/BiOCl Catalyst for Highly-selective Synthesis of Benzoin Ethyl Ether by Chlorine Promoted Coupling Reaction

    Author(s)
    Yuan, Q
    Gong, W
    Ye, Y
    Liu, J
    Lin, Y
    Chen, C
    Zhang, H
    Li, P
    Cheng, W
    Wei, X
    Liang, C
    Griffith University Author(s)
    Zhang, Haimin
    Year published
    2019
    Metadata
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    Abstract
    Exploring novel catalyst supports with unique performance creates more opportunity for transforming organic chemicals in heterogeneous catalysis. In this paper, BiOCl is first presented as an effective support for Pd nanoparticles (NPs) toward application in the coupling reaction of benzaldehyde. The Cl− ion dissociates from BiOCl, which forms nucleophile with Pd nanoparticles; this is key for the one-step synthesis of benzoin ethyl ether, the conversion and selectivity of which can reach to 100 % and 97.9 % at 100 °C, respectively. DFT calculations reveal that Cl− ions can be stabilized by stronger Bi−Cl bonds through doping ...
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    Exploring novel catalyst supports with unique performance creates more opportunity for transforming organic chemicals in heterogeneous catalysis. In this paper, BiOCl is first presented as an effective support for Pd nanoparticles (NPs) toward application in the coupling reaction of benzaldehyde. The Cl− ion dissociates from BiOCl, which forms nucleophile with Pd nanoparticles; this is key for the one-step synthesis of benzoin ethyl ether, the conversion and selectivity of which can reach to 100 % and 97.9 % at 100 °C, respectively. DFT calculations reveal that Cl− ions can be stabilized by stronger Bi−Cl bonds through doping of Fe ions in substituting Bi sites in BiOCl. The parallel catalytic evaluation using Pd/Fe-doped BiOCl catalyst shows the suppression of coupling reaction, conversely, demonstrating the crucial role of nucleophile. This work provides new insights into support tailoring for the synthesis of vital organic chemicals in heterogeneous catalysis by changing chemical reaction pathway.
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    Journal Title
    ChemCatChem
    Volume
    11
    Issue
    11
    DOI
    https://doi.org/10.1002/cctc.201900517
    Subject
    Inorganic chemistry
    Physical chemistry
    Chemical engineering
    Publication URI
    http://hdl.handle.net/10072/385780
    Collection
    • Journal articles

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