Eupalin is a
flavonol. It is the
eupalitin 3-O-
rhamnoside. It can be isolated from ''
Eupatorium ligustrinum
''Ageratina ligustrina'', the (privet-leaved ageratina or privet-leaved snakeroot, is Mesoamerican species of evergreen flowering shrub in the sunflower family. It is widespread across much of Mexico and Central America from Tamaulipas to Costa ...
''.
[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, ]
References
O-methylated flavonols
Flavonol rhamnosides
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