The title compound, C 13 H 14 O 4 , known as 8-methyleugenitin, is a chromone isolated from the leaves of Mellaleuca cajuputi Powell. The chromone unit is essentially planar. The methyl and hydroxyl groups lie in the plane of the benzene ring while the methoxy substituent is perpendicular to it. An
2-(Dibromomethyl)-4H-chromen-4-one
✍ Scribed by Huang, Wei
- Publisher
- International Union of Crystallography
- Year
- 2005
- Tongue
- English
- Weight
- 226 KB
- Volume
- 61
- Category
- Article
- ISSN
- 1600-5368
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✦ Synopsis
In the crystal structure of the title compound, C 10 H 6 Br 2 O 2 , centrosymmetric hydrogen-bonded dimers are formed via C-HÁ Á ÁO hydrogen bonds.stacking interactions involving these dimers are also observed.
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View of the molecule of (I), showing the atom-labeling scheme and 50% probability displacement ellipsoids.
The title compound, C~16~H~11~ClO~2~, is a synthetic flavonoid. The fused-ring system is almost planar, with a mean deviation from the least-squares plane of 0.0204 (2) Å. The dihedral angle between the chromene group and the chlorophenyl ring is 50.9 (6)°, due to unfavourable steric interactions wi