2-Amino-4-(3,4-dichlorophenyl)-4H-pyrano[3,2-c]coumarin-3-carbonitrile N,N-dimethylformamide solvate
The title compound [systematic name: 2-amino-4-(3,4-dichlorophenyl)-5-oxo-4H,5H-pyrano[3,2-c]chromene-3-carbonitrile N,N-dimethylformamide solvate], C19H10Cl2N2O3·C3H7NO, was synthesized by the reaction of 4-hydroxycoumarin and 3′,4′-dichlorobenzylidenemalononitrile, catalysed by KF-montmorillonite. In the crystal structure, the amino group is involved in intermolecular N—H…O hydrogen bonds.
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Document Type: Research Article
Publication date: December 1, 2004