【摘要】 目的 :研究灯盏花的化学成分。方法 :分离纯化采用硅胶柱色谱 ,结构鉴定采用IR ,MS ,NMR及文献有关数据比较。结果 :从灯盏花全草的提取物中分离并鉴定了 5个黄酮化合物 ,为 3 ,5 ,6 ,4′ 四羟基 7 甲氧基黄酮(Ⅰ ) ,5 ,7,4′ 三羟基黄酮 (Ⅱ ) ,3 ,5 ,6 ,7,4′ 五羟基黄酮 (Ⅲ ) ,黄芩素 (Ⅳ )和 5 ,7,4′ 三羟基双氢黄酮 (Ⅴ )。结论 :化合物I,III,V为首次从本植物中分得。更多还原

【Abstract】 Objective:To study the chemical constituents of Erigeron breviscapus .Method:The constituents were separated and purified by column chromatography with silica gel, and identified by IR, MS, NMR and physical data.Result:Five compounds were isolated and identified as 3,5,6,4′-tetrahydroxy-7-methoxy flavonoid(Ⅰ);5,7,4′-trihydroxy flavonoid(Ⅱ);3,5,6,7,4′-pentahydroxy flavonoid(Ⅲ); scutellarein(Ⅳ) and 5,7,4′-trihydroxy flavanone(Ⅴ).Conclusion:Compounds Ⅰ,Ⅲ and Ⅴ were isolated from this plant for the first time. [更多还原