O-Prenylated flavonoids from Dalbergia sissoo

Two new flavonoids, 2,3-dimethoxy-4′-γ,γ-dimethylallyloxy-2′-hydroxychalcone and 7-γ,γ-dimethylallyloxy-5-hydroxy-4′-methoxyisoflavone, together with three known flavonoids were isolated from the root bark of Dalbergia sissoo.