Institut de Pharmacie, Campus Plaine B205-4, Université Libre de Bruxelles, 1050 Brussels, Belgium
Abstract:
Canthin-6-one, scopoletin, undulatone and two new quassinoids, 15-desacetylundulatone and 6α-tigloyloxyglaucarubol were isolated from Hannoa klaineana roots; quassinoids were obtained in high yields from this plant material.