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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 46, 2016 - Issue 6
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Original Articles

Convenient and efficient method for synthesis of 2,4,6-triarylpyridines using catalytic amount of PEG1000-based dicationic acidic ionic liquid under solvent-free conditions

Yi-Ming RenDepartment of Biochemical Engineering, Anhui Polytechnic University, Wuhu, Anhui, ChinaCorrespondence[email protected]
,
Ze ZhangDepartment of Biochemical Engineering, Anhui Polytechnic University, Wuhu, Anhui, China
&
Shuo JinDepartment of Biochemical Engineering, Anhui Polytechnic University, Wuhu, Anhui, China
Pages 528-535 | Received 26 Dec 2015, Published online: 28 Mar 2016
 
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ABSTRACT

A convenient and efficient method for synthesis of substituted 2,4,6-triarylpyridines by the reaction of chalcones and ammonium acetate or via one-pot, three-component condensation of aromatic aldehydes with acetophenones and ammonium acetate has been developed by using the efficient catalyst PEG1000-based dicationic acidic ionic liquid (PEG1000-DAIL) under solvent-free conditions. Recycling studies have shown that the PEG1000-DAIL can be readily recovered and reused several times without significant loss of activity.

GRAPHICAL ABSTRACT

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