1983 年 31 巻 9 号 p. 3091-3093
A new oxoisoaporphine-type compound, named dauriporphine, was isolated from the vines of Menispermum dauricum DC. (Menispermaceae) and the structure of this compound was elucidated as 4, 5, 6, 9-tetramethoxy-7H-dibenzo [de, h] quinolin-7-one (I).