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Green Aqueous Synthesis of Mono, Bis and Trisdihydropyridines Using Nano Fe3O4 Under Ultrasound Irradiation

[ Vol. 12 , Issue. 1 ]


Leila Z. Fekri, Mohammad Nikpassand and Keyhan H. Pour   Pages 76 - 79 ( 4 )


An efficient, three component synthesis of novel class of mono, bis and trisdihydropyridines which are fused with pyrazole rings from reaction between pyrazolecarbaldehyde, dimedone and ammonium acetate was described. In this research, mono, bis and trisdihydropyridines were synthesized in the presence of a catalytic amount of recyclable catalyst, nano particle Fe3O4.


Dihydropyridines, dimedone, nano Fe3O4, pyrazole.


Department of Chemistry, Payame Noor University, PO Box 19395-3697 Tehran, Iran.

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