Retusin (flavonol)

Retusin is an O-methylated flavonol, a type of flavonoid. It can be found in Origanum vulgare[1] and in Ariocarpus retusus.[2]

Not to be confused with retusin (isoflavone).
Retusin
Chemical structure of
Names
IUPAC name
5-Hydroxy-3,3′,4′,7-tetramethoxyflavone
Systematic IUPAC name
2-(3,4-Dimethoxyphenyl)-5-hydroxy-3,7-dimethoxy-4H-1-benzopyran-4-one
Other names
Quercetin tetramethylether
Quercetin-3,7,3',4'-tetramethyl ether
Tetramethylquercetin
Retusine
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.013.629
EC Number
  • 214-991-4
UNII
  • InChI=1S/C19H18O7/c1-22-11-8-12(20)16-15(9-11)26-18(19(25-4)17(16)21)10-5-6-13(23-2)14(7-10)24-3/h5-9,20H,1-4H3 ☒N
    Key: HHGPYJLEJGNWJA-UHFFFAOYSA-N ☒N
  • InChI=1/C19H18O7/c1-22-11-8-12(20)16-15(9-11)26-18(19(25-4)17(16)21)10-5-6-13(23-2)14(7-10)24-3/h5-9,20H,1-4H3
    Key: HHGPYJLEJGNWJA-UHFFFAOYAJ
  • COC1=C(C=C(C=C1)C2=C(C(=O)C3=C(C=C(C=C3O2)OC)O)OC)OC
Properties
C19H18O7
Molar mass 358.34 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

References
  1. Exudate flavones and flavanones in Origanum species and their interspecific variation. Melpomene Skoula, Renée J. Grayer, Geoffrey C. Kite and Nigel C. Veitch, Biochemical Systematics and Ecology, Volume 36, Issue 8, August 2008, Pages 646-654
  2. Retusin (Ariocarpus) on kanaya.naist.jp


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