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Acta Cryst. (2005). E61, o2428-o2430  [ doi:10.1107/S1600536805021240 ]

Ethyl 4-chloro-3-oxo-2-(phenylhydrazono)butyrate

G. Alpaslan, O. Özdamar, M. Odabasoglu, C. C. Ersanli, O. Büyükgüngör and A. Erdönmez

Abstract: The title compound, C12H13ClN2O3, adopts a keto-hydrazo tautomeric form stabilized by an intramolecular N-H...O hydrogen bond. The configuration around the C=N bond is trans. The dihedral angle between the aromatic ring and the aliphatic chain is 5.52 (9)°. Symmetry-related molecules are linked via C-H...O hydrogen bonds to form chains along the b axis.

Online 9 July 2005

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