[关键词]
[摘要]
从兰科植物云南石仙桃PholidotayunnanensisRolfe中首次分离出3个三萜类和1个甾醇类成分,经理化常数和光谱分析,分别鉴定为cyclopholidone(Ⅰ),cyclopholidonol(Ⅱ),25-methylenecycloartanylP-hydroxy-trans-cinnamate(Ⅲ)和β-谷甾醇,其中Ⅲ为一新成分,命名为pholidotanin。
[Key word]
[Abstract]
Triterpenoids and a sterol were isolated from Pholidota yunnanensis Rolfe for the first ti me. They were identificd as cyclopholidone (Ⅰ), cyclopholidonol (Ⅱ), hexacosyl alcohol (Ⅲ), 25-methylene cycloartanyl p-hydroxy-trans-cinnamate (Ⅴ) and β-sitosterol on the basis of physical and spectral data. Among them, Ⅴ is a new compound, and named as pholidotanin.
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[基金项目]
天津市科委青年基金