Palladium nanoparticles were supported on 1,2‐dicarboxylic acid‐functionalized MCM‐41 (Pd@DCA‐MCM) and characterized by Fourier‐transform infrared spectroscopy (FT‐IR), thermogravimetric analysis (TGA), X‐ray diffraction (XRD), atomic absorption spectroscopy (AAS), transmission electron microscopy (TEM), scanning electron microscopy (SEM), and energy‐dispersive X‐ray spectroscopy (EDS) measurements. The Pd@DCA‐MCM nanocomposite exhibited good performance as a reusable catalyst in selected coupling reactions.
Cu
2
O supported on peanut shell (Cu
2
O@PS) was prepared by the reaction of copper acetate and peanut shell powder as a naturally available biopolymer support. The prepared catalyst was used as an efficient and reusable heterogeneous catalyst in the click reaction of benzyl halide or phenacyl bromides, acetylenes and sodium azide for the synthesis of potentially biologically active 1,2,3-triazoles under ultrasonic irradiation in EtOH-H
2
O as green solvent.
Electronic supplementary material
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A green magnetically heterogeneous catalyst was prepared by the copper immobilization onto magnetic isinglass as a nano bio‐support. The prepared catalyst was used as an effective and reusable catalyst for click synthesis of triazoles by the three‐component reaction of benzyl halide or phenacyl bromides, aryl acetylenes and sodium azide in water as the best green solvent.
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