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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