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Acta Cryst. (2014). C70, 216-219  [ doi:10.1107/S2053229614000680 ]

(E)-1-[(5-Chloro-3-methyl-1-phenyl-1H-pyrazol-4-yl)methyl­idene]-2-phenyl­hydrazine: sheets built from [pi]-stacked hydrogen-bonded chains

J. Trilleras, M. Utria, J. Cobo and C. Glidewell

Synopsis: The reaction of a chloro­pyrazole­carbaldehyde with phenyl­hydrazine proceeds via a simple condensation rather than substitution or cyclo­condensation. The resulting compound forms hydrogen-bonded chains, which are linked into sheets by [pi]-[pi] stacking inter­actions.

Formula: C17H15ClN4

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