【摘要】 从河南省鲁山县产冬凌草叶中分得一个新的对映-贝壳杉烯型二萜化合物,命名为鲁山冬凌草丁素,经光谱和化学方法证明,其结构如(1)式所示。更多还原

【Abstract】 A new diterpenoid, lusllanrubescensin D, which is a minor component, was isolated from the leaves of Rabdosia rubescens Hara f. lu-shanensis Gao et Li (Labiatae) and its structure was established as ent-2α, 6β, nβ-trihydroxy-3a-acetoxy-16-kauren-15-one from spectral and chemical evidence.更多还原