Eupalitin

Eupalitin
Names

IUPAC name 3,4′,5-Trihydroxy-6,7-dimethoxyflavone
Systematic IUPAC name 3,5-Dihydroxy-2-(4-hydroxyphenyl)-6,7-dimethoxy-4H-1-benzopyran-4-one
Other names Betuletol
Identifiers
CAS Number	29536-41-2^Y
3D model (JSmol)	Interactive image
ChEMBL	ChEMBL487184^Y
ChemSpider	4678044^N
PubChem CID	5748611
UNII	P5KF23690D^Y
CompTox Dashboard (EPA)	DTXSID20183723
InChI InChI=1S/C17H14O7/c1-22-11-7-10-12(14(20)17(11)23-2)13(19)15(21)16(24-10)8-3-5-9(18)6-4-8/h3-7,18,20-21H,1-2H3^N Key: KWMAWXWUGIEVDG-UHFFFAOYSA-N^N InChI=1/C17H14O7/c1-22-11-7-10-12(14(20)17(11)23-2)13(19)15(21)16(24-10)8-3-5-9(18)6-4-8/h3-7,18,20-21H,1-2H3 Key: KWMAWXWUGIEVDG-UHFFFAOYAI
SMILES O=C1c3c(O)c(OC)c(OC)cc3O/C(=C1/O)c2ccc(O)cc2
Properties
Chemical formula	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). N verify (what is ^YN ?) Infobox references

Chemical compound

Eupalitin is an O-methylated flavonol. It can be found in Ipomopsis aggregata.^[1]

Glycosides

Eupalitin 3-O-β-D-galactopyranoside can be isolated from Tephrosia spinosa.^[2]

Eupalin is the eupalitin 30-rhamnoside.

^ Identification of eupalitin, eupatolitin and patuletin glycosides in Ipomopsis aggregata. D.M. Smith, C.W. Glennie and J.B. Harborne, Phytochemistry, Volume 10, Issue 12, December 1971, pp. 3115-3120, doi:10.1016/S0031-9422(00)97361-8
^ Eupalitin 3-O-β-D-galactopyranoside from Tephrosia spinosa. Vanangamudi A., Gandhidasan R. and Raman P. V., Fitoterapia, 1997, vol. 68, no6, p. 560, INIST 2113413

Flavonols and their conjugates

Backbone

Aglycones	3-Hydroxyflavone (synthetic) and derivatives

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)