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An efficient and green synthesis of 3,3′-benzylidenebis (4-hydroxy-6-methylpyridin-2(1H)-one) derivatives through multi-component reaction in ionic liquid

✍ Scribed by Daqing Shi; Shunjun Ji; Daqing Shi; Sainan Ni; Fang Yang

Publisher
Journal of Heterocyclic Chemistry
Year
2008
Tongue
English
Weight
453 KB
Volume
45
Category
Article
ISSN
0022-152X

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✦ Synopsis

Abstract

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A series of new 3,3′‐benzylidenebis(4‐hydroxy‐6‐methylpyridin‐2(1__H__)‐one) derivatives were synthesized via a three‐component reaction of an aldehyde, an aniline or ammonium acetate and 6‐methyl‐4‐hydroxypyran‐2‐one in ionic liquid. These heterocyclic compounds produced could be conveniently separated from the reaction mixture without any volatile organic solvents, and the ionic liquid could be readily reused without efficiency loss after simple treatment.

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