Novel CuFe 2 O 4 @agar@Cu 2 O Nanocatalyst for Sustainable Synthesis of Biologically Active 1,4-Benzodiazepines and 1-Aryl-1 H -tetrazoles

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The development of heterogeneous catalysts based on readily available transition metal nanoparticles has attracted significant focus for the efficient production of N -heterocyclic compounds due to their broad biological activities. This study presents a novel method for creating an efficient and reusable agar-coated nanocatalyst, CuFe 2 O 4 @agar@Cu 2 O, designed for synthesizing key biological scaffolds, including benzodiazepine and tetrazoles, that hold considerable medicinal importance. The CuFe 2 O 4 core is surface-modified with agar, which effectively retains Cu 2 O. We characterized the nanoparticles’ morphology and properties through XPS, PXRD, FTIR, FESEM, EDAX, TGA, and nitrogen adsorption techniques. The benefits of the synthetic methods described include a wide substrate range, mild reaction conditions, rapid reaction times, high yields, reusability, and favorable green chemistry metrics.

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