A reusable magnetic nickel nanoparticle based catalyst for the aqueous synthesis of diverse heterocycles and their evaluation as potential anti-bacterial agent
recyclable catalyst. The method is simple, eco-friendly and gave excellent yields of the products without taking recourse to columnchromatographic separation procedures. Computational method was employed to elucidate the selective formation of uncyclised product in reactioncourse. The biological activity of the synthesized compounds were investigated and the results demonstrated profound antibacterial