7-Hydroxy-6-methoxy-2H-chromen-2-one
Hooi-Kheng Beh, Zhari Ismail, Mohd Zaini Asmawi and 2 more
Acta Crystallographica Section E · 2010
doi:10.1107/s1600536810029296 (opens in a new tab)
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Abstract
The title compound, C10H8O4, is one of the coumarins existing in Morinda citrifolia L (Noni). The chromenone ring system is approximately planar with a maximum deviation of 0.0208 (14) Å. The methoxy group does not deviate from this plane [C—O—C—C torsion angle = −1.5 (3)°], indicating that the whole molecule is almost planar. In the crystal packing, intermolecular O—H...O hydrogen bonds link the molecules into chains. These are further connected by C—H...O hydrogen bonds.
Abstract licence: CC BY
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