Yl. Lin et Yh. Kuo, 2 NEW COUMARONOCHROMONE DERIVATIVES, OBLONGIN AND OBLONGINOL FROM THEROOTS OF DERRIS-OBLONGA BENTH, Heterocycles, 36(7), 1993, pp. 1501-1507
Two new coumaronochromone derivatives, oblongin and oblonginol, have b
een isolated from the roots of Derris oblonga. Their structures have b
een elucidated by spectroscopic and chemical methods.