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
5,7-Dihydroxy-8-methoxy-2-phenyl-4H-chromen-4-one monohydrate
✍ Scribed by Zhong, Jia-Liang ;Lu, Yang ;Zheng, Qi-Tai
- Publisher
- International Union of Crystallography
- Year
- 2006
- Tongue
- English
- Weight
- 179 KB
- Volume
- 62
- Category
- Article
- ISSN
- 1600-5368
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📜 SIMILAR VOLUMES
The skeleton of the title compound, C 9 H 6 O 4 Á0.5H 2 O, with the water molecule located on a twofold rotation axis, consists of a coumarin that is composed of a benzene ring and a lactone ring. The hydroxyl groups, carbonyl group and water form intermolecular O-HÁ Á ÁO hydrogen bonds, which link
The title compound, C 17 H 14 O 5 , 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-HÁ Á ÁO hydrogen bonds to form chains.
The title compound, also known as intricatinol, C~17~H~14~O~5~, is a homoisoflavanoid that was isolated for the first time from the twigs and stems of __Caesalpinia digyna__ Rottler. The pyran ring is in an envelope form. O—H...O intramolecular hydrogen bonds are observed. Symmetry-related molecules
The title compound, C 17 H 14 O 5 , a flavone, was isolated from the rhizomes of Kaempferia parviflora. There are two crystallographically independent molecules in the asymmetric unit. The molecular structure is stabilized by intramolecular O-HÁ Á ÁO and C-HÁ Á ÁO hydrogen bonds. C-HÁ Á ÁO intermole