The ether soluble fraction of the roots of Ononis vaginalis Vahl. Symb. afforded three new compounds: 3-hydroxy-4,9-dimethoxycoumestan, maginaldehyde [2-(4-hydroxy-2-methoxyphenyl)-5,6-dimethoxy-3-benzofuran-carboxaldehyde] and 5,7,4'-trihydroxy-4-styrylcoumarin. In addition, four known
A new prenylated flavonol, sophoflavescenol (1), together with five known flavonoids, kurarinol, kushenol K, kushenol H, trifolirhizin, and kuraidin, were isolated from the roots of Sophora flavescens. The structure of 1 was determined by spectroscopic analysis. Among the five known flavonoids,