Abstract
One pot highly uniform Cu(0)-Cu(I) oxide nanoparticles (5–10nm) have been synthesized on nitrogen rich mesoporous carbon nanospheres (Cu-NCN) and efficiently utilized as a heterogeneous catalyst towards hydroamination of aromatic terminal alkynes with aniline derivatives. The catalyst bed provides Cu2O nanoparticles stabilized by nitrogen functionalities in the carbon nanospheres, which triggers the catalytic system with significantly large Turn over number (TON) and >99% selectivity towards Markovnikov addition product. The structure and morphology of the copper nanoparticles engraved carbon spheres have been studied by performing nitrogen physisorption studies (BET), X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS) characterization techniques.
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