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    鹅绒藤地上部位化学成分研究

    Study on the Chemical Constituents of the Aerial Parts of Cynanchum Chinense R. Br.

      摘要
    • 摘要: 目的 研究鹅绒藤(Cynanchum chinense R. Br.)地上部位的化学成分。 方法 采用AB-8大孔树脂柱，硅胶柱色谱，LX2000 树脂柱，Sephadex LH-20柱色谱等方法分离纯化；利用核磁共振波谱技术鉴定化合物结构。 结果 从鹅绒藤地上部位70%乙醇提取物中分离得到9个化合物，分别鉴定为十六烷酸(Ⅰ)、水杨酸(Ⅱ)、β-谷甾醇(Ⅲ)、β-胡萝卜苷(Ⅳ)、芹菜素(Ⅴ)、山奈酚(Ⅵ)、山奈酚-3-O-β-D-吡喃葡萄糖苷(Ⅶ)、小麦黄素(Ⅷ)、小麦黄素-7-O-β-D-葡萄糖醛酸苷(Ⅸ)。 结论 化合物Ⅴ、Ⅷ、Ⅸ为首次从本属植物中分离得到；化合物Ⅰ、Ⅱ、Ⅴ～Ⅸ为首次从本植物中分离得到。

       

      Abstract: OBJECTIVE To study the chemical constituents of the aerial parts of Cynanchum chinense R. Br. METHODS The compounds were extracted and purified by AB-8 macroporous resins, silica gel column chromatography, LX2000 resin and Sephadex LH-20 columns. Their structures were elucidated on the basis of physico-chemical properties and NMR spectral analysis. RESULTS Nine compounds were obtained from 70% aqueous ethanol extract of Cynanchum chinense and elucidated as n-hexadecanioc acid (Ⅰ), salicylic acid (Ⅱ), β-sitosterol (Ⅲ), β-sitosterolglucoside (Ⅳ), apigenin (Ⅴ), kaemperol (Ⅵ), kaemperol-3-O-β-D-glunoside (Ⅶ), tricin (Ⅷ), and tricin-7-O-β-D-glucuronide (Ⅸ). CONCLUSION Compounds Ⅴ, Ⅷ and Ⅸ were obtained from this genus, and compounds Ⅰ, Ⅱand Ⅴ-Ⅸ were isolated from this plant for the first time.

       

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