Acta Cryst. (2009). E65, o1524  [ doi:10.1107/S1600536809021266 ]

3-Hydroxy-1,2-dimethoxyanthraquinone

Y.-J. Xu, X.-X. Yang and H.-B. Zhao

Abstract: The title compound, C₁₆H₁₂O₅, was isolated from Morinda officinalis How. The anthraquinone ring system is almost planar, the dihedral angle between the two benzene rings being 1.12 (4)°. In the crystal structure, O-HO and C-HO hydrogen bonds link the moleculesin the crystallographic a-axis direction. Weak - stacking interactions [centroid-centroid distance between symmetry-related benzene rings of 3.699 (4) Å] are also present.

Online 6 June 2009

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