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3-(2-Amino-1,3-thiazol-4-yl)-6-bromo-2H-chromen-2-one

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Author(s): Deepak Chopra | A. R. Choudhury | K. N. Venugopala | Thavendran Govender | Hendrik G. Kruger | Glenn E. M. Maguire | T. N. Guru Row

Journal: Acta Crystallographica Section E
ISSN 1600-5368

Volume: 65;
Issue: 12;
Start page: o3047;
Date: 2009;
Original page

ABSTRACT
The molecule of the title compound, C12H7BrN2O2S, is essentially planar with a maximum deviation of 0.234 (3) Å from the mean plane through all non-H atoms. The dihedral angle between the coumarin ring plane and that of the five-membered thiazole ring is 12.9 (1)°. In the crystal, strong N—H...O, N—H...N and weak but highly directional C—H...O hydrogen bonds provide the links between the molecules. In addition, C—H...π and π–π interactions [centroid–centroid distances = 3.950 (3)–4.024 (3) Å] provide additional stability to the interlayer regions in the lattice.
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