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Title
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Synthesis of nanocatalyst Pd immobilized on ZPD as efficient and reusable for Sonogashira cross-coupling reaction
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Type
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JournalPaper
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Keywords
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Pd nanoparticlesSonogashira cross-coupling reactionMetal-organic frameworkPost-synthetic modification
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Abstract
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ZPD as one type of MOF is based on zinc ions, in the structure of which 2,5 pyridine dicarboxylic acid (pydc) ligand is present. A heterogeneous catalyst consisting of palladium nanoparticles (NPs) loaded on Zn4(pydc)4(DMF)2·3DMF support (Pd@ZPD) was synthesized by incipient wet impregnation procedure and its catalytic activity in the Sonogashira cross-reaction was investigated. Pd@ZPD has some important advantages such as high surface area and porosity, high thermal stability, and good tolerance for air and moisture. Using inductively coupled plasma-optical emission spectroscopy (ICP-OES), the content of Pd loaded into the Pd@ZPD nanocatalyst was obtained at nearly 2.85wt.%. The heterogeneous catalyst could be used six times without losing its catalytic activity. The catalyst is easily separated from the reaction products without a significant decrease in the catalytic activity and reaction yield which makes it suitable for practical applications.
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Researchers
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Elham Yeganeh-Salman (Fourth Researcher), Shahram Ghasemi (Third Researcher), Heshmatollah Alinezhad (Second Researcher), Mehdi Najafi (First Researcher)
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