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DOI: 10.1039/A902400J (Paper) Reference Section for: J. Chem. Res. (S), 1999, 458-459

Dimerisation of Knoevenagel Condensation Products obtained from Simple Unconjugated and α,β-Unsaturated Ketones

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Conor N. O'Callaghan and T. Brian H. McMurry

Abstract

The reaction of 3-acetyl-2H-1-benzopyran-2-ones with malononitrile affords dicyanomethylene derivatives which dimerise to 1-amino-3,5,5-bis(2-oxo-2H-1-benzopyran-3-yl)-5-methyl-1,3-cyclohexadiene-2,6,6-tricarbonitrile derivatives and related dimeric intermediate products.

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