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Solvent-free synthesis of new 2,4,6-triarylpyridines catalyzed by a Brønsted acidic ionic liquid as a green and reusable catalyst

✍ Scribed by Hossein Behmadi; Shima Naderipour; Seyed Mahdi Saadati; Mohammad Barghamadi; Mohammad Shaker; Niloofar Tavakoli-Hoseini

Publisher: Journal of Heterocyclic Chemistry
Year: 2011
Tongue: English
Weight: 123 KB
Volume: 48
Category: Article
ISSN: 0022-152X
DOI: 10.1002/jhet.697

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✦ Synopsis

Abstract

Some new 4‐(aryl)‐2,6‐di‐2‐naphthylpyridines and 4‐(aryl)‐2,6‐di‐2‐thienylpyridines have been prepared through three‐component condensation of 2‐acetylnaphthalene or 2‐acetylthiophene, aromatic aldehydes, and ammonium acetate in presence of 1‐(4‐sulfonylbutyl) pyridinium hydrogensulfate [(CH~2~)~4~SO~3~HPy][HSO~4~], a Brønsted acidic ionic liquid as a green and reusable catalyst in solvent‐free conditions. Also some new 4,4'‐(1,4‐phenylene)‐bis‐(2,6‐di‐aryl pyridine) was prepared. J. Heterocyclic Chem., (2011).

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