An efficient, one-pot synthesis of polyfunctionalised dihydropyridines catalysed by Agl nanoparticles

Polyfunctionalised dihydropyridines were synthesised in high yields and in short reaction times by a four- component reaction of araldehydes, dimedone, ethyl acetoacetate and ammonium acetate in the presence of AgI nanoparticles in aqueous ethanol media under reflux conditions. The catalyst was easily prepared and was recyclable.