岗梅根中一个新的三萜皂苷(英文)

A new triterpenoid glycoside from the roots of Ilex asprella

目的:研究岗梅根的化学成分。方法:采用硅胶、反相硅胶、Sephadex LH-20等柱色谱法对岗梅根的化学成分进行分离纯化,应用谱学技术和化学方法鉴定化合物的结构。结果:从岗梅根中分离并鉴定了4个三萜苷类化合物:(3β)-19-hydroxy-28-oxours-12-en-3-yl β-D-glucopyranosiduronic acid n-butyl ester(1),ilexasoside A(2),Monepaloside F(3)和ilexoside A(4)。结论:化合物1为新化合物,化合物3和4为首次从该植物中分离得到。

AIM： To study the chemical constituents of the roots ofllex asprella Champ. ex Benth. METHODS： Compounds were isolated by silica gel, ODS, and Sephadex LH-20 column chromatography, and their structures were elucidated on the basis of phys- icochemical properties and spectroscopic analysis. RESULTS： Four triterpenoid glycosides were isolated and identified as （3β）-19-hydroxy-28-oxours-12-en-3-yl fl-D-glucopyranosiduronic acid n-butyl ester （1）, ilexasoside A （2）, monepaloside F （3）, and ilexoside A （4）. CONCLUSION： Compound 1 is a new triterpenoid glycoside, and compounds 3 and 4 were isolated from this plant for the first time.