旱生卷柏化学成分研究(Ⅱ)

Studies on chemical constituents of Selaginella stauntoniana (Ⅱ)

目的 研究旱生卷柏的化学成分。方法 旱生卷柏乙醇浸膏的水不溶物 ,以石油醚、氯仿依次提取 ,用硅胶柱色谱 ,以石油醚、石油醚 -醋酸乙酯不同比例梯度洗脱 ,分离得到 7种成分。结果 经理化和光谱分析确定了结构 ,分别是 :二十四烷 ( )、棕榈酸 ( )、大黄酚 ( )、大黄素甲醚 ( )、三十烷醇 ( )、三十烷酸 ( )、大黄素 ( )。结论 以上化合物均为首次从该植物中分得 ,其中 和 ～ 为首次从卷柏科植物中分离得到。

Object To study the chemical constituents of whole plant of Selaginella stauntoniana Spring. Methods Column chromatographic technique was employed for the isolation and purification of its constituents; and structurally identified by spectral analysis (IR,UV,MS, 1H-NMR , 13 C-NMR ). Results The compounds were identified from its extract as: 1-monotetracosan (Ⅰ),palmitic acid (Ⅱ),chrysophanol (Ⅲ),physcion (Ⅳ),1-triacontanol (Ⅴ),1-triacontanoic acid (Ⅵ),emodin (Ⅶ). Conclusion All the compounds are found in this plant for the first time;Ⅰ, Ⅲ-Ⅶ are obtained from the plants of Selaginellaceae for the first time.