2001 Volume 49 Issue 6 Pages 741-746
Following the elucidation of eupteleasaponins I, II, III, IV, V, and V acetate, eupteleasaponins VI, VI acetate, VII, VIII, IX, X, XI, and XII were isolated from the fresh leaves of Euptelea polyandra SIEB. et ZUCC. The structures of eupteleasaponins VI-XII were determined on the basis of chemical and physicochemical evidence.