Eupalin

Eupalin
Names
	IUPAC name 5-Hydroxy-2-(4-hydroxyphenyl)-6,7-dimethoxy-3-(3,4,5-trihydroxy-6-methyloxan-2-yl)oxychromen-4-one
Identifiers
CAS Number	29617-75-2;
3D model (JSmol)	Interactive image;
ChEMBL	ChEMBL483203;
ChemSpider	4508995; 4572250;
PubChem CID	5458259;
CompTox Dashboard (EPA)	DTXSID70952087 ;
	InChI InChI=1S/C23H24O11/c1-9-15(25)18(28)19(29)23(32-9)34-22-17(27)14-12(8-13(30-2)21(31-3)16(14)26)33-20(22)10-4-6-11(24)7-5-10/h4-9,15,18-19,23-26,28-29H,1-3H3/t9-,15-,18+,19+,23-/m0/s1 Key: CXVSHWFUBVZVSW-YPNBZCAISA-N; InChI=1/C23H24O11/c1-9-15(25)18(28)19(29)23(32-9)34-22-17(27)14-12(8-13(30-2)21(31-3)16(14)26)33-20(22)10-4-6-11(24)7-5-10/h4-9,15,18-19,23-26,28-29H,1-3H3/t9-,15-,18+,19+,23-/m0/s1 Key: CXVSHWFUBVZVSW-YPNBZCAIBS;
	SMILES C[C@H]1[C@@H]([C@H]([C@H]([C@@H](O1)OC2=C(OC3=CC(=C(C(=C3C2=O)O)OC)OC)C4=CC=C(C=C4)O)O)O)O;
Properties
Chemical formula	C23H24O11
Molar mass	476.434 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	Infobox references

Eupalin is a flavonol. It is the eupalitin 3-O-rhamnoside. It can be isolated from Eupatorium ligustrinum.[1]

References

The structures of eupalin and eupatolin. Two new flavonol rhamnosides isolated from Eupatorium ligustrinum D.C. L. Quijano, F. Malanco and Tirso Ríos, Tetrahedron, Volume 26, Issue 12, 1970, pages 2851-2859, doi:10.1016/S0040-4020(01)92863-7

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