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Names | |
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IUPAC name 3,3′,5-Trihydroxy-4′,7-dimethoxyflavone | |
Systematic IUPAC name 3,5-Dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-7-methoxy-4H-1-benzopyran-4-one | |
Other names 4′,7-Dimethylquercetin 7,4′-Di-O-methylquercetin 4′,7-Dimethoxy-3,3′,5-trihydroxyflavone | |
Identifiers | |
3D model (JSmol) | |
ChEBI | |
ChemSpider | |
PubChem CID | |
UNII | |
CompTox Dashboard (EPA) | |
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Properties | |
C17H14O7 | |
Molar mass | 330.29 g/mol |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). |
Ombuin is an O-methylated flavonol, a type of flavonoid. It is the 4',7-O-methyl derivative of quercetin.
Ombuin can be found in species of the genus Erythroxylum . It can also be synthesized. [1] Ombuin 3-sulfate can be isolated from Flaveria chlorifolia . [2]
Ombuin-3-rutinoside can be isolated from Phytolacca dioica , the ombu tree. [3] Ombuin-3-O-rhamnosylglucoside can be found in Erythroxylum rufum . [4]
Other glycosides (ombuosides) :