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Acta Cryst. (2007). E63, o2082-o2083 [ doi:10.1107/S1600536807010367 ]
Abstract: The title compound, C20H15ClN2O3, was synthesized by the reaction of 2-(2-chlorobenzylidene)-1-tetralone and malononitrile in dimethylformamide in the presence of KF-montmorillonite as a catalyst. Intermolecular C-H
O and C-H
N hydrogen bonds link adjacent molecules into dimers and propagate chains along the c axis.
Online 4 April 2007
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