多裂委陵菜中的四甲基环己烯型单萜苷

The megastigman glycosides from herb of Potentilla multiftda

目的:研究多裂委陵菜的化学成分。方法:应用硅胶、大孔吸附树脂HP-20、氧化铝、SephadexLH-20柱色谱、制备高效液相色谱进行分离纯化,根据理化常数和光谱分析鉴定结构。结果:从多裂委陵菜全草中分离并鉴定了4个四甲基环己烯型单萜苷(megastigmanglycosides):citrosideA(1),icarisideB1(2),(6S,7E,9R)-roseoside(3),(6S,7E,9R)-vomifoliol-9-O-β-D-xylopyranosyl-(1-6)-O-β-D-glucopyranoside(4)。结论:所有化合物均为首次从该属植物中得到。

Objective: To investigate the chemical constituents of Potentilla. mulifida. Method: Various chromatographic techniques were employed for isolation and purification of the constituents. The structures were elucidated by spectral analysis. Result: Four megastigmane glycosides were isokted from P. multifida and their structures were identified as citroside A (1). icariside B1(2), (6S,7E,9R)-roseoside (3), (6S,7E,9R)-vomifoliol-9-O-β-D-xylopyranosyl-(1→6)-O-β-D-glucopyranoside (4), respectively. Conclusion: All compounds were obtained from the genus Potentilla for the first time.