Anchoring CuO nanoparticle on nitrogen-doped reduced graphene oxide as nanocatalyst for the synthesis of 5-substituted-1H-tetrazole and 1,2,3-triazole derivatives

A basic and proficient newer method was exploited for the preparation of CuO-NrGO nanoparticles which was characterized by state of art instruments i.e. Field emission scanning electron microscopy (FE-SEM), Transmission electron microscopy (TEM), Energy dispersive X-ray (EDX), Fourier transforms infrared spectroscopy (FTIR), X-ray diffraction analysis (XRD), Thermo gravimetric analysis (TGA) and UV-visible spectroscopy. The prepared heterogeneous nanoparticle possesses a significant level of catalytic activity for the production of two diversified series i.e.5-substituted-1H-tetrazole and 1,2,3-triazole derivatives in excellent yield (92% and 95% respectively) with minimal catalyst loading. CuO-NrGO nanoparticles showed reusability up to seven repetitions without any significant loss (11% in 5-substituted-1H-tetrazole and 10.3% in 1,2,3-triazole derivatives) of catalytic activity and productivity.