Flavonoids and Coumarins from Three Saudi Arabian Compositae Species

AbstractThe isolation of chrysosplenol B (3,3″,6,7-tetramethoxy- 4″,5-dihydroxyflavone and penduletin (3,6,7-trimethoxy-4″,5-dihydroxy flavone) from Conyza incana, chrysosplenol D (3,6,7-trimethoxy-3″,4″,5-trihydroxyflavone) from Jasonia candicans and Pulicaria arabica as well as two coumarins, scoparone and scopoletin from J. candicans is reported.