Catalyst-free one-pot synthesis and antioxidant evaluation of highly functionalized novel 1,4-dihydropyridine derivatives

Catalyst-free one-pot synthesis and antioxidant evaluation of highly functionalized novel... A catalyst-free greener protocol for the most effective one-pot synthesis of 2,6-diamino-4-aryl-1-propyl/cyclohexyl-1,4-dihydropyridine-3,5-dicarbonitrile derivatives has been developed using a simple three-component reaction of structurally diverse aldehydes, malononitrile and n-propylamine/cyclohexylamine at an ambient temperature. The formation of 1,4-dihydropyridines could be achieved in aqueous methanol in a single synthetic process involving no chromatography. The newly synthesized highly functionalized 1,4-DHPs have been screened for their in vitro antioxidant activity using the DPPH radical scavenging technique and the results were good in comparison with a standard drug. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Catalyst-free one-pot synthesis and antioxidant evaluation of highly functionalized novel 1,4-dihydropyridine derivatives

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Publisher
Springer Netherlands
Copyright
Copyright © 2014 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-014-1887-z
Publisher site
See Article on Publisher Site

Abstract

A catalyst-free greener protocol for the most effective one-pot synthesis of 2,6-diamino-4-aryl-1-propyl/cyclohexyl-1,4-dihydropyridine-3,5-dicarbonitrile derivatives has been developed using a simple three-component reaction of structurally diverse aldehydes, malononitrile and n-propylamine/cyclohexylamine at an ambient temperature. The formation of 1,4-dihydropyridines could be achieved in aqueous methanol in a single synthetic process involving no chromatography. The newly synthesized highly functionalized 1,4-DHPs have been screened for their in vitro antioxidant activity using the DPPH radical scavenging technique and the results were good in comparison with a standard drug.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Dec 13, 2014

References

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