1, 3-Disulfonic acid imidazolium hydrogen sulphate as an efficient and reusable ionic liquid for the multicomponent synthesis of polyhydroquinoline derivatives under solvent-free conditions

1, 3-Disulfonic acid imidazolium hydrogen sulphate as an efficient and reusable ionic liquid for... A facile and highly effective one-pot synthesis of polyhydroquinoline derivatives is reported via Hantzsch condensation of aldehydes, 1,3-dicarbonyl compounds, ethyl acetoacetate, and ammonium acetate in the presence of 1,3-disulfonic acid imidazolium hydrogen sulfate as an efficient and recyclable ionic liquid under solvent-free conditions. This methodology offers several advantages such as short reaction times, high yields, environmentally benign, mild reaction conditions, simple work-up procedure, and reusability of the ionic liquid. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

1, 3-Disulfonic acid imidazolium hydrogen sulphate as an efficient and reusable ionic liquid for the multicomponent synthesis of polyhydroquinoline derivatives under solvent-free conditions

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Publisher
Springer Journals
Copyright
Copyright © 2015 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-015-2134-y
Publisher site
See Article on Publisher Site

Abstract

A facile and highly effective one-pot synthesis of polyhydroquinoline derivatives is reported via Hantzsch condensation of aldehydes, 1,3-dicarbonyl compounds, ethyl acetoacetate, and ammonium acetate in the presence of 1,3-disulfonic acid imidazolium hydrogen sulfate as an efficient and recyclable ionic liquid under solvent-free conditions. This methodology offers several advantages such as short reaction times, high yields, environmentally benign, mild reaction conditions, simple work-up procedure, and reusability of the ionic liquid.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Jun 23, 2015

References

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