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Acta Crystallographica Section E

Structure Reports Online

Volume 64, Part 5 (May 2008)


organic compounds



Acta Cryst. (2008). E64, o857    [ doi:10.1107/S1600536808009732 ]

3-Methyl-4-oxo-2-phenyl-4H-chromene-8-carboxylic acid

Z. Hong, H.-J. Jiang, Y.-G. Zhuang and H.-C. Guo

Abstract: In the title compound, C17H12O4, the chromene unit is approximately planar, the maximum deviation from the mean plane being 0.0166 Å. The attached phenyl ring makes a dihedral angle of 53.2 (1)° with the fused ring system. The packing of the molecules in the crystal structure is governed by C-H...O and O-H...O hydrogen-bonding interactions.

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