Benguo Liu, Yuxiang Ma, Han Gao
Oct 4, 2008
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Journal
Acta Crystallographica Section E: Structure Reports Online
Abstract
The title compound [systematic name: 5,7-dihydroxy-3-(4-hydroxyphenyl)-6-methoxy-4H-chromen-4-one monohydrate], C16H12O6·H2O, is isolated from Belamcanda chinensis and is said to have antimicrobiotic and anti-inflammatory effects. The chromen-4-one system and the benzene ring are inclined at a dihedral angle of 36.79 (6)°. Molecules are linked by inter- and intramolecular O—H⋯O hydrogen bonds.