Naheed Morsalie
aDepartment of Chemistry, Payame Noor University, PO Box 19395-3697, Tehran, IRAN
[ 1 ] - Nickel ferrite as a recyclable nanocatalyst for synthesis of novel highly substituted 1,4-dihydropyrano[2,3-c]pyrazole derivatives
Highly substituted 1,4-dihydropyrano[2,3-c]pyrazole derivatives were synthesized by four-component reaction of aromatic aldehydes, malononitrile, ethyl acetoacetate and various phenylhydrazine, using nickel ferrite as a recyclable nanocatalyst by a grinding method under solvent-free and thermal conditions. The reaction has the advantages of good yields, less pollution, ease of separation of the...
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