Rhamnazin

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.

Rhamnazin
Names
IUPAC name
3,5-Dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-7-methoxy-4H-chromen-4-one
Other names
3',7-Dimethylquercetin
3,5,4'-Trihydroxy-7,3'-dimethoxyflavone
5,3',4'-Trihydroxy-3,7-dimethoxyflavone
Flavone, 3,4',5-trihydroxy-3',7-dimethoxy-
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
UNII
Properties
C17H14O7
Molar mass 330.292 g·mol−1
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

Metabolism

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

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

References

  1. Wagner, H.; Ertan, M.; Seligmann, O. (1974). "Rhamnazin- und rhamnetin-3-O-trioside aus Rhamnus petiolaris". Phytochemistry (in German). 13 (5): 857–860. doi:10.1016/S0031-9422(00)91151-8.
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