旱生卷柏化学成分的研究(Ⅰ)

Studies on chemical constituents of Selaginella stauntoniana (Ⅰ)

目的 研究旱生卷柏的化学成分。方法 旱生卷柏的乙醇提取物 ,经水混悬后的不溶物的醋酸乙酯提取部位 ,用硅胶柱色谱、薄层色谱制备以及 Sephadex L H- 2 0柱色谱分离纯化 ,得到 4种化学成分。结果 经理化测试和光谱分析确定了化学结构 ,分别是 :大黄素、银杏双黄酮、扁柏双黄酮、穗花杉双黄酮。结论 这些化合物均为首次从该植物中分得 ,大黄素系首次从卷柏科中分离得到。

Object To study the chemical constituents of the whole plant of Selaginella stauntoniana Spring. Methods Various chromatographic techniques were employed for the isolation and purification of its constituents, and structurally identified by spectral analysis (IR, UV, MS, 1HNMR, 13CNMR) and chemical evidence. Results Four compounds were identified from its extract as: emodin (Ⅰ), ginkgetin (Ⅱ), hinokiflavone (Ⅲ), amentoflavone (Ⅳ). Conclusion All the compounds were isolated in this plant for the first time; compound Ⅰ was found from the plants of Selaginellaceae Beauv. for the first time.