Chalcane-stilbene conjugates and oligomeric flavonoids from Chinese Dragon's Blood produced from Dracaena cochinchinensis

Chalcane-stilbene conjugates were isolated from Chinese Dragon's Blood produced from Dracaena cochinchinensis together with 25 known compounds. The major constituents were oligomeric flavonoids composed of chalcane units, which were characterized by spectroscopic and chemical methods.