[关键词]
[摘要]
目的 研究百部科百部属对叶百部Stemona tuberosa的化学成分。方法 采用反相C18、硅胶、凝胶柱色谱、制备型HPLC等方法进行分离纯化,通过理化性质、光谱数据结合参考文献鉴定化合物结构。结果 从对叶百部根部甲醇提取物中分离鉴定10个化合物,分别鉴定为6-甲氧基-3-甲基-2H-吡喃-2-酮(1)、stilbostemin A(2)、stilbostemin K(3)、stilbostemin P(4)、stilbostemin Q(5)、stilbostemin R(6)、stilbostemin T(7)、stilbostemin W(8)、stilbostemin X(9)、stilbostemin Y(10)。结论 化合物1为新的吡喃酮,命名为对叶百部吡喃酮A,化合物2、3为首次从该植物中分离得到。
[Key word]
[Abstract]
Objective To study the chemical constituents of Stemona tuberosa. Methods The chemical constituents were isolated and purified by chromatography with RP-C18, silica gel, Sephadex LH-20 and semi-preparative HPLC, and their structures were identified by analysis of spectroscopic data and physicochemical properties as well as relevant references. Results Ten compounds were isolated from the roots of S. tuberosa, and they were elucidated as 6-methoxy-3-methyl-2H-pyran-2-one (1), stilbostemin A (2), stilbostemin K (3), stilbostemin P (4), stilbostemin Q (5), stilbostemin R (6), stilbostemin T (7), stilbostemin W (8), stilbostemin X (9) and stilbostemin Y (10). Conclusion Compound 1 is the new pyrone derivative named as stemonapyrone A. Compounds 2 and 3 are isolated from the plant of S. tuberosa for the first time.
[中图分类号]
R284.1
[基金项目]
国家自然科学基金委联合基金(U1812403);贵州医科大学2018年度学术新苗培养及创新探索专项项目(黔科合平台人才[2018]5779-60);贵州省科技计划项目(黔科合基础[2020]1Y398)