title: A novel flavonoid from Sophora flavescens.
abstract: A new dihydroflavonol named kosamol A (1) has been isolated from the roots of Sophora flavescens (Leguminosae) along with twelve related flavonoids. The structure of 1 was determined to be (2R,3R)-5,7,2'4'-tetrahydroxy-6-(3-hydroxy-3-methylbutyl)-8-lavandulylflavanonol on the basis of spectral analyses.
authors.affiliation: Korea Research Institute of Chemical Technology, Yusung P.O. Box 107, Taejeon 305-606, Korea.
authors.forename: S Y
authors.initials: SY
authors.lastname: Ryu
authors.forename: S K
authors.initials: SK
authors.lastname: Kim
authors.forename: Z
authors.initials: Z
authors.lastname: No
authors.forename: J W
authors.initials: JW
authors.lastname: Ahn