Acta Cryst. (2012). E68, o3213-o3214 [ doi:10.1107/S1600536812043772 ]
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-HO 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--HO hydrogen bonds, forming chains propagating along [2-10]. The chains are linked via C-HO hydrogen bonds with R22(12) ring motifs, forming sheets lying parallel to (12-2). The sheets are further linked through out-of-plane C-HN hydrogen bonds with R22(12) ring motifs and C-H interactions, forming an interesting three-dimensional supramolecular architecture.
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