PEG mediated synthesis of amino-functionalised 2,4,6-triarylpyridines

Nicole M. Smith; Colin L. Raston; Christopher B. Smith; Alexandre N. Sobolev

doi:10.1039/B700893G

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Green Chemistry

Issue 11, 2007

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PEG mediated synthesis of amino-functionalised 2,4,6-triarylpyridines

Nicole M. Smith , Colin L. Raston , Christopher B. Smith and Alexandre N. Sobolev

Green Chem., 2007, 9, 1185-1190

DOI: 10.1039/B700893G
Received 19 Jan 2007, Accepted 30 Jul 2007
First published on the web 21 Aug 2007

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The reaction of p-aminoacetophenone with aryl aldehydes in polyethylene glycol (PEG) in the presence of base, followed by treatment with ammonium acetate, affords 2,4,6-triarylpyridines in good yield as a ‘one pot’ procedure. The intermediate Claisen–Schmidt chalcone condensation products or the Michael addition 1,5-diketone products can be prepared in high yield, depending on the ratio of ketone to aldehyde, prior to treatment with ammonium acetate.

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Green Chemistry

PEG mediated synthesis of amino-functionalised 2,4,6-triarylpyridines

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