Abstract
The CuO/ZnO nanocatalysts are reported as efficient and recyclable catalysts for the regioselective synthesis of 1,2,3-triazoles from benzyl halides and terminal alkynes in water. The catalysts are synthesized by a co-precipitation method and characterized by BET surface area, XRD, SEM, TEM and EDS analysis. The effect of CuO loading, catalyst amount and solvent was investigated. The catalyst can be recovered by a simple filtration and applied in consecutive runs with no loss of activity.
Highlights
Nowadays, synthesis of 1,2,3-triazoles has received considerable attention because of their wide range of applications.1 1,2,3-Triazoles are five-membered nitrogen heterocyclic compounds that have been broadly applied in various research fields including synthetic organic, medicinal, materials, and biological chemistry.[2]
The catalysts are synthesized by a co-precipitation method and characterized by BET surface area, XRD, scanning electron microscopy (SEM), TEM and EDS analysis
In the presence of ZnOblank and CuO-bulk no produsts were obtained. These results demonstrated the effect of CuO nanoparticles on the synthesis of 1,2,3-triazoles
Summary
Synthesis of 1,2,3-triazoles has received considerable attention because of their wide range of applications.1 1,2,3-Triazoles are five-membered nitrogen heterocyclic compounds that have been broadly applied in various research fields including synthetic organic, medicinal, materials, and biological chemistry.[2]. Synthesis of 1,2,3-triazoles catalyzed by 20CuO/ZnO nanocatalyst. We have reported the activity of (P4VPy-CuI), CuO-CeO2 and Au supported nanocatalysts as efficient recyclable nanocatalysts in organic synthesis.[29,30,31] as a part of our current research on the development of new routes to prepare heterocyclic systems,[32,33,34,35] the performance of CuO/ZnO nanocatalysts in the click synthesis of 1,2,3-triazoles from benzyl halides and terminal alkynes in water was investigated (Scheme 1)
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