2-Amino-4-(4-methoxyphenyl)-5-oxo-4H,5H-pyrano[3,2-c]chromene-3-carbonitrile N,N-dimethylformamide solvate
The title compound, C20H14N2O4·C3H7NO, was synthesized by the reaction of 4-hydroxycoumarin and 4′-methoxybenzylidenemalononitrile catalyzed by KF-montmorillonite. There are two independent molecules in the asymmetric unit, and the amino groups form N—H…O hydrogen bonds with N,N-dimethylformamide.
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Document Type: Research Article
Publication date: December 1, 2004