Acta Cryst. (2005). E61, o3715-o3717  [ doi:10.1107/S1600536805032551 ]

5-Hydroxy-7-methoxy-2-(4-methoxyphenyl)-4H-1-benzopyran-4-one

J.B.-J. Teh, H.-K. Fun, I. A. Razak, S. Chantrapromma, N. Boonnak and C. Karalai

Abstract: The title compound, C₁₇H₁₄O₅, a flavone, was isolated from the rhizomes of Kaempferia parviflora. The benzopyran-4-one ring system and the methoxyphenyl substituent are approximately coplanar. The molecules are linked via intermolecular C-HO hydrogen bonds to form chains.

Online 19 October 2005

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