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Acta Cryst. (2012). E68, o3213-o3214
[ doi:10.1107/S1600536812043772 ]

Ethyl 2-[2-(4-hydroxy-3-methoxybenzylidene)hydrazin-1-ylidene]-3,4-dimethyl-2,3-dihydro-1,3-thiazole-5-carboxylate

S. Öztürk Yildirim, R. J. Butcher, Y. Köysal, E. N. Kantar and A. Belder

Abstract: The title compound, C16H19N3O4S, is almost planar, with a dihedral angle of 2.88 (9)° between the mean planes of the benzene and thiazole rings. The molecule adopts an E conformation about the two C=N bonds, with a C-N-N-C torsion angle of -177.01 (11)°. An intramolecular C-H...O hydrogen bond exists between a thiazole methyl group and the formic acid ethyl ester carbonyl O atom. In the crystal, molecules are linked by O--H...O hydrogen bonds, forming chains propagating along [2-10]. The chains are linked via C-H...O hydrogen bonds with R22(12) ring motifs, forming sheets lying parallel to (12-2). The sheets are further linked through out-of-plane C-H...N hydrogen bonds with R22(12) ring motifs and C-H...[pi] interactions, forming an interesting three-dimensional supramolecular architecture.

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