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

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.

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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

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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

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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