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Retusin (flavonol)

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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
CAS Number
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.013.629 Edit this at Wikidata
EC Number
  • 214-991-4
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • 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,1-4H3Key: HHGPYJLEJGNWJA-UHFFFAOYSA-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,1-4H3Key: HHGPYJLEJGNWJA-UHFFFAOYAJ
SMILES
  • COC1=C(C=C(C=C1)C2=C(C(=O)C3=C(C=C(C=C3O2)OC)O)OC)OC
Properties
Chemical formula C19H18O7
Molar mass 358.34 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). ☒N verify (what is  ?) Infobox references
Chemical compound

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

References

  1. Skoula, Melpomene; Grayer, Renée J.; Kite, Geoffrey C.; Veitch, Nigel C. (2008). "Exudate flavones and flavanones in Origanum species and their interspecific variation". Biochemical Systematics and Ecology. 36 (8): 646–654. Bibcode:2008BioSE..36..646S. doi:10.1016/j.bse.2008.05.003.
  2. Retusin (Ariocarpus) on kanaya.naist.jp


Flavonols and their conjugates
Backbone
Aglycones
Flavonols
Aglycones
Conjugates
Glycosides of herbacetin
Glycosides of kaempferol
Glycosides of myricetin
Conjugates of quercetin
Sulfates
Glycosides
O-Methylated flavonols
Aglycones
Glycosides
of isorhamnetin
other
Derivative flavonols
Aglycones
Glycosides
Pyranoflavonols
Aglycones
Furanoflavonols
Aglycones
Glycosides
Semisynthetic
Glycosides
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