Abstract

ABSTRACTA 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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