Rhamnazin

Rhamnazin
Names
IUPAC name
3,5-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-7-methoxychromen-4-one
Other names
3',7-Dimethylquercetin
3,5,4'-Trihydroxy-7,3'-dimethoxyflavone
5,3',4'-trihydroxy-3,7-dimethoxyflavone
Identifiers
552-54-5 YesY
3D model (Jmol) Interactive image
ChEBI CHEBI:133721 N
ChEMBL ChEMBL457148 N
ChemSpider 4478873 N
PubChem 5320945
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).
N verify (what is YesYN ?)
Infobox references

Rhamnazin is an O-methylated flavonol, a type of chemical compound. It can be found in Rhamnus petiolaris,[1] a buckthorn plant endemic to Sri Lanka.

Metabolism

The enzyme 3-methylquercetin 7-O-methyltransferase uses S-adenosyl methionine and isorhamnetin to produce S-adenosylhomocysteine and rhamnazin.

The enzyme 3,7-dimethylquercetin 4'-O-methyltransferase uses S-adenosyl methionine and rhamnazin to produce S-adenosylhomocysteine and ayanin.

References

  1. Rhamnazin- und rhamnetin-3-O-trioside aus Rhamnus petiolaris. H. Wagner, M. Ertan and O. Seligmann, Phytochemistry, Volume 13, Issue 5, May 1974, pp. 857-860, doi:10.1016/S0031-9422(00)91151-8
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