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

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 Edit this at Wikidata
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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References

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  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