露水草的化学成分露水草的化学成分

Chemical constituents of Cyanotis arachnoidea

摘要: 目的研究露水草的化学成分。方法应用多种色谱技术进行分离，并结合NMR,MS等波谱解析确定其化学结构。结果分离得到6个化合物，鉴定为20，22-异丙叉基筋骨草甾酮C（1），20，22-异丙叉基β-蜕皮甾酮（2），22-羰基筋骨草甾酮C（3），22-羰基-β-蜕皮甾酮（4），β-谷甾醇（5），胡罗卜苷（6）。结论3为一新化合物，4为一新天然产物。

Abstract: AimTo investigate the chemical constituents of Cyanotis arachnoidea.MethodsBy using chromatographic methods for separation and combination with spectral analysis, their chemical structures were determined. ResultsSix compounds were identified as ajugasterone C-20,22-acetonide (1), 20-hydroxyecdysone-20,22-acetonide (2), 22-oxo-ajugasterone C (3), 22-oxo-20-hydroxyecdysone (4), β-sitosterol (5), daucosterol (6).ConclusionCompound 3 is a new compound, 4 was a new natural compound.