Nickel ferrite as a recyclable nanocatalyst for synthesis of novel highly substituted 1,4-dihydropyrano[2,3-c]pyrazole derivatives
Publish place: Iranian Chemical Communication، Vol: 6، Issue: 1
Publish Year: 1396
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_ICC-6-1_011
تاریخ نمایه سازی: 2 مهر 1398
Abstract:
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 desired products, and of being environment friendly. A possible mechanism for this reaction was proposed. 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 desired products, and of being environment friendly. A possible mechanism for this reaction was proposed.
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Authors
Mohammad Reza Poor Heravi
Department of Chemistry, Payame Noor University, Abhar, Iran
Naheed Morsalie
aDepartment of Chemistry, Payame Noor University, PO Box ۱۹۳۹۵-۳۶۹۷, Tehran, IRAN
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