Microwave-assisted clean synthesis of xanthenes and chromenes in [bmim][PF6] and their antioxidant studies

Microwave-assisted clean synthesis of xanthenes and chromenes in [bmim][PF6] and their... An efficient one-pot synthesis of xanthene and chromene derivatives by three-component reactions of aryl aldehydes, cyclic 1,3-diketones, and 2-naphthol/4-hydroxy coumarin catalyzed by ionic liquid (IL) [bmim][PF6] under microwave irradiation is described. The present scheme provides several advantages such as short reaction time, mild reaction conditions, good yields, convenient operation, and reuse of IL. In vitro antioxidant activity was evaluated for the synthesized compounds by DPPH method. Compounds 6a, 6h, 6c, 6b, 4k, and 4a showed the highest antioxidant potency. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Microwave-assisted clean synthesis of xanthenes and chromenes in [bmim][PF6] and their antioxidant studies

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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/s11164-014-1821-4
Publisher site
See Article on Publisher Site

Abstract

An efficient one-pot synthesis of xanthene and chromene derivatives by three-component reactions of aryl aldehydes, cyclic 1,3-diketones, and 2-naphthol/4-hydroxy coumarin catalyzed by ionic liquid (IL) [bmim][PF6] under microwave irradiation is described. The present scheme provides several advantages such as short reaction time, mild reaction conditions, good yields, convenient operation, and reuse of IL. In vitro antioxidant activity was evaluated for the synthesized compounds by DPPH method. Compounds 6a, 6h, 6c, 6b, 4k, and 4a showed the highest antioxidant potency.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Oct 14, 2014

References

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