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The benzopyran ring system of the flavone in the title compound, C20H16O6, is quasi-planar and makes a dihedral angle of 13.9 (4)° with the 2-phenyl substituent. The dioxane ring deviates from planarity. The structure is stabilized by inter- and intramolecular hydrogen bonds.
Supporting information
| Crystallographic Information File (CIF) Contains datablocks global, II |
| Structure factor file (CIF format) Supplementary material |
CCDC reference: 129475
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