Europetin

Europetin
Names

IUPAC name 3,5,3′,4′,5′-Pentahydroxy-7-methoxyflavone
Systematic IUPAC name 3,5-Dihydroxy-7-methoxy-2-(3,4,5-trihydroxyphenyl)-4H-1-benzopyran-4-one
Other names 7-Methylmyricetin
Identifiers
CAS Number	16280-27-6^Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:145786
ChemSpider	24845329^N
PubChem CID	44259636
UNII	PC84K5ZS4X^Y
CompTox Dashboard (EPA)	DTXSID80658068
InChI InChI=1S/C16H12O8/c1-23-7-4-8(17)12-11(5-7)24-16(15(22)14(12)21)6-2-9(18)13(20)10(19)3-6/h2-5,17-20,22H,1H3 Key: BDZXSHDKBKYQKJ-UHFFFAOYSA-N
SMILES COC1=CC(=C2C(=C1)OC(=C(C2=O)O)C3=CC(=C(C(=C3)O)O)O)O
Properties
Chemical formula	C₁₆H₁₂O₈
Molar mass	332.264 g·mol⁻¹
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is ^YN ?) Infobox references

Chemical compound

Europetin is an O-methylated flavonol. It can be found in Plumbago europaea^[1] and it can be prepared synthetically.^[2]

References

^ Europetin on metabolomics.jp
^ Sarma, P.N., Srimannarayana, G. & Subba Rao, N.V. (1974). "Synthesis of naturally occurring partial methyl ethers of myricetin". Proc. Indian Acad. Sci. 80 (4): 168–173. doi:10.1007/BF03046674. S2CID 92325935.{{cite journal}}: CS1 maint: multiple names: authors list (link)

Flavonols and their conjugates

Backbone

Aglycones	3-Hydroxyflavone (synthetic) and derivatives

Flavonols

Aglycones

Conjugates

Glycosides of herbacetin

Glycosides of kaempferol

Glycosides of myricetin

Conjugates of quercetin

Sulfates

Glycosides

O-Methylated flavonols

Aglycones

Glycosides

of isorhamnetin	Narcissin (Isorhamnetin 3-O-rutinoside) Isorhamnetin 3-O-glucoside Tamarixetin 7-rutinoside
other	Azalein (Azaleatin 3-O-α-L-rhamnoside) Centaurein (Centaureidin 7-O-glucoside) Eupalin (Eupalitin 3-0-rhamnoside) Eupatolin (Eupatolitin 3-O-rhamnoside) Jacein (Jaceidin 7-O-glucoside) Patulitrin (Patuletin 7-O-glucoside Xanthorhamnin (Rhamnetin glycoside)