3,3′-(3,6-Dihydroxy-p-phenylene)bis(4,7-dihydroxy-2H-chromen-2-one) dimethylformamide trisolvate
✍ Scribed by Shen, Qiong ;Zeng, Ming-Hua ;Ng, Seik Weng
- Publisher
- International Union of Crystallography
- Year
- 2006
- Tongue
- English
- Weight
- 183 KB
- Volume
- 62
- Category
- Article
- ISSN
- 1600-5368
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
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
In the title compound, C 35 H 42 O 4 , the chromene ring is in a distorted half-chair conformation and the cyclohexadienone ring adopts a screw-boat conformation. Intramolecular O-HÁ Á ÁO hydrogen bonds involving the carbonyl and hydroxyl groups are observed.
In the title compound, C 30 H 32 O 9 Á1.5H 2 O, the cyclooctadiene eight-membered ring adopts a twisted boat-chair conformation. O-HÁ Á ÁO hydrogen bonding helps to stabilize the crystal structure.