Ombuin

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Ombuin
Chemical structure of ombuin
Names
IUPAC name
3,5-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-7-methoxychromen-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
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).
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Infobox references

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 synthetized.[1] Ombuin 3-sulfate can be isolated from Flaveria chlorifolia.[2]

Glycosides[edit]

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) :

References[edit]