Eupatolin
Eupatolin
Names
IUPAC name
3′,4′,5-Trihydroxy-6,7-dimethoxy-3-(α-L -rhamnopyranosyloxy)flavone
Preferred IUPAC name
2-(3,4-Dihydroxyphenyl)-5-hydroxy-6,7-dimethoxy-3-{[(2S ,3R ,4R ,5R ,6S )-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy}-4H -1-benzopyran-4-one
Other names
2-(3,4-Dihydroxyphenyl)-5-hydroxy-6,7-dimethoxy-3-[(2S ,3R ,4R ,5R ,6S )-3,4,5-trihydroxy-6-methyloxan-2-yl]oxychromen-4-one
Identifiers
ChemSpider
UNII
InChI=1S/C23H24O12/c1-8-15(26)18(29)19(30)23(33-8)35-22-17(28)14-12(7-13(31-2)21(32-3)16(14)27)34-20(22)9-4-5-10(24)11(25)6-9/h4-8,15,18-19,23-27,29-30H,1-3H3/t8-,15+,18-,19-,23+/m1/s1
N Key: NVZCGVLCUJLTSA-CTQDKRGWSA-N
N InChI=1/C23H24O12/c1-8-15(26)18(29)19(30)23(33-8)35-22-17(28)14-12(7-13(31-2)21(32-3)16(14)27)34-20(22)9-4-5-10(24)11(25)6-9/h4-8,15,18-19,23-27,29-30H,1-3H3/t8-,15+,18-,19-,23+/m1/s1
Key: NVZCGVLCUJLTSA-CTQDKRGWBF
C[C@@H]1[C@@H]([C@H]([C@H]([C@@H](O1)Oc2c(=O)c3c(cc(c(c3O)OC)OC)oc2c4ccc(c(c4)O)O)O)O)O
Properties
C 23 H 24 O 12
Molar mass
492.433 g·mol−1
Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
Chemical compound
Eupatolin is a chemical compound. It is a flavonol rhamnoside attached at the 3 position to an eupatolitin molecule. It can be found in Eupatorium ligustrinum .[ 1]
References
^ Quijano, L.; Malanco, F.; Ríos, Tirso (1970). "The structures of eupalin and eupatolin. Two new flavonol rhamnosides isolated from Eupatorium ligustrinum D.C". Tetrahedron . 26 (12): 2851–2859. doi :10.1016/S0040-4020(01)92863-7 .
Flavonols and their conjugates
Backbone
Flavonols
O -Methylated flavonols
Derivative flavonols
Pyranoflavonols
Furanoflavonols
Semisynthetic