Abstract
In this research, a nano-inorganic composite of CuO/NiO is prepared by co-precipitation method as an efficient recyclable nanocatalyst for the regioselective synthesis of 1,4-disubstituted-1,2,3-triazoles in water. The catalyst was characterized by several techniques such as the field emission scanning electron microscopy (FESEM), energy dispersive spectroscopy (EDS), x-ray diffraction (XRD), transmission electron microscopy (TEM), thermogravimetric analysis (TGA), x-ray fluorescence, inductively coupled plasma atomic emission spectroscopy (ICP-OES), and brunauer-emmett-teller (BET) surface area analysis. The regioselective synthesis of 1,4-disubstituted-1,2,3-triazoles was carried out from reaction of various benzyl halides or alkyl halides with phenyl acetylene and sodium azide in water under reflux condition in high yields. The CuO/NiO nanocatalyst can be simply recovered and reused 6 runs without a significant slight in activity.
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