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ZnO@SnO2 Mixed Metal Oxide as an Efficient and Recoverable Nanocatalyst for the Solvent Free Synthesis of Hantzsch 1,4-Dihydropyridines

[ Vol. 16 , Issue. 2 ]

Author(s):

Bharatkumar M. Sapkal, Prakash K. Labhane, Shamrao T. Disale and Dhananjay H. More*   Pages 139 - 144 ( 6 )

Abstract:


An efficient synthesis of Hantzsch 1,4-dihydropyridines via a one-pot three-component reaction of ethyl acetoacetate, substituted aldehydes and ammonium acetate in the presence of ZnO@SnO2 mixed metal oxide nanoparticles under solvent-free conditions has been reported. Compare to the reported reactions, this method shows attractive aspects such as cleaner reaction profile, shorter reaction times, minimum catalyst loading and high yields. Isolated catalysts were reused for new reactions without considerable loss of their catalytic activity.

Keywords:

1, 4-Dihydropyridines, one-pot multi component reaction, ZnO@SnO2 nanoparticles, solvent free, catalyst, metal oxide.

Affiliation:

Post Graduate Department of Chemistry, MGSM'S A.S.C. College Chopda, Dist.-Jalgaon 425 107, (M.S.), Post Graduate Department of Chemistry, MGSM'S A.S.C. College Chopda, Dist.-Jalgaon 425 107, (M.S.), Department of Chemistry, Kankavali College, Kankavali, Dist.-Sindhudurgh 416 602, (M.S.), School of Chemical Sciences, North Maharashtra University, Jalgaon 425 001, (M.S.)

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