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Ombuin

Chemical compound From Wikipedia, the free encyclopedia

Ombuin

Ombuin is an O-methylated flavonol, a type of flavonoid. It is the 4',7-O-methyl derivative of quercetin.

Quick Facts Names, Identifiers ...
Ombuin
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Chemical structure of ombuin
Names
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
UNII
  • InChI=1S/C17H14O7/c1-22-9-6-11(19)14-13(7-9)24-17(16(21)15(14)20)8-3-4-12(23-2)10(18)5-8/h3-7,18-19,21H,1-2H3 N
    Key: BWORNNDZQGOKBY-UHFFFAOYSA-N N
  • InChI=1/C17H14O7/c1-22-9-6-11(19)14-13(7-9)24-17(16(21)15(14)20)8-3-4-12(23-2)10(18)5-8/h3-7,18-19,21H,1-2H3
    Key: BWORNNDZQGOKBY-UHFFFAOYAW
  • COC1=C(C=C(C=C1)C2=C(C(=O)C3=C(C=C(C=C3O2)OC)O)O)O
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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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]

Glycosides

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) :

  • Ombuin 3-galactoside (C23H24O12, CAS number 69168-13-4)
  • Ombuin 3-glucoside (C23H24O12, CAS number 158642-42-3)

References

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