Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 4 (April 2013)


organic compounds



ld2095 scheme

Acta Cryst. (2013). E69, o524-o525    [ doi:10.1107/S1600536813003826 ]

4-Hydroxy-6-methyl-3-[3-(thiophen-2-yl)acryloyl]-2H-pyran-2-one

S. Thabti, A. Djedouani, A. Bendaas, S. Boufas, R. Loui and D. Mandon

Abstract: The title compound, C13H10O4S, crystallizes with two molecules in the asymmetric unit in which the rings make dihedral angles of 3.9 (1) and 6.0 (1)°; this planarity is due in part to the presence of an intramolecular O-H...O hydrogen bond, which generates an S(6) ring in each molecule. Both molecules represent E isomers with respect to the central C=C bond. In the crystal, molecules are linked by C-H...O interactions into a three-dimensional network.


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