Azaleatin
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Revision as of 23:44, 18 March 2010 by حسن علي البط (Talk) (Quick-adding category Phenol ethers (using HotCat))
| Azaleatin | |
|---|---|
| Azaleatin structure | |
| 2-(3,4-dihydroxyphenyl)-3,7-dihydroxy-5-methoxychromen-4-one | |
| Other names 5-O-Methylquercetin Quercetin 5-methyl ether | |
| style="background: #F8EABA; text-align: center;" colspan="2" | Identifiers | |
| CAS number | 529-51-1 |
| PubChem | 5281604 |
| SMILES | Script error: No such module "collapsible list". |
| style="background: #F8EABA; text-align: center;" colspan="2" | Properties | |
| Molecular formula | C16H12O7 |
| Molar mass | 316.26 g/mol |
| Exact mass | 316.058303 |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) | |
| Infobox references | |
Azaleatin is a chemical compound. It is an O-methylated flavonol, a type of flavonoid. It was first isolated from the flowers of Rhododendron mucronatum in 1956[1] and has since been recorded in forty-four other Rhododendron species, in Plumbago capensis, in Ceratostigma willmottiana[2] and in Carya pecan[3]. It has been also been found in the leaves of Eucryphia[4].
Glycosides
Azalein is the 3-O-α-L-rhamnoside of azaleatin.
References
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- ↑ On a Flavonol Glycoside Isolated from Flowers of a White Azalea (Rhododendron mucronatum G. Don), Einosuke Wada, 1956
- ↑ Plant polyphenols : 5. Occurrence of azalein and related pigments in flowers of Plumbago and Rhododendron species, J. B. Harborne, 1962
- ↑ Studies on the components of pecan (Carya pecan Engl. & Graebn). I. On the flavon isolated from the bark of pecan. Yakugaku Zasshi, 1963
- ↑ Occurrence of Azaleatin and Caryatin in Eucryphia, Bate-Smith E. C., Harborne J. B. and Davenport S. M., 1966
