A novel flavonoid from Sophora flavescens.
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.
Ryu
S Y
SY
Korea Research Institute of Chemical Technology, Yusung P.O. Box 107, Taejeon 305-606, Korea.
Kim
S K
SK
No
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Ahn
J W
JW