New quassinoid glucosides, picrasinoside-A, -B, -C, -D, -E, -F, and -G and new quassinoid hemiacetals, picrasinol-A and -B, were isolated from the stem bark of Picrasma ailanthoides PLANCHON, and their structures were established by spectral analyses and chemical transformations.
通过光谱分析和
化学转化,从 P
LANCHON Picrasma ai
LAnthoides 的茎皮中分离出新的
槲皮苷葡萄糖苷-picrasinoside-A、-B、-C、-D、-E、-F 和-G 以及新的
槲皮半
乙酸酯-picrasinol-A 和-B,并确定了它们的结构。