【摘要】 目的研究乌骨藤总苷H的化学成分。方法采用柱色谱和HPLC技术对乌骨藤总苷H中的化学成分进行分离纯化,并通过理化性质和波谱方法鉴定其结构。结果从骨藤总苷H中分离得到6个化合物,分别鉴定为tenacissoside A(1)、tena-cissoside B(2)、tenacissoside C(3)、tenacissoside D(4)、marsdenoside K(5)、11-α-O-乙酰基-12-β-O-惕各酰基tenacigenin B 3-O-β-D-葡萄吡喃糖基-(1→4)-6-去氧-3-O-甲基-β-D-阿洛吡喃糖基-(1→4)-β-D-夹竹桃吡喃糖苷(6)。结论化合物6是新化合物,为首次从该属植物中分离得到。更多还原

【Abstract】 OBJECTIVE To investigate the chemical constituents of the total glycoside H of Marsdenia tenacissima.METHODS The compounds were isolated and purified by column chromatography and HPLC.Their structures were identified by the physicochemical characteristics and spectroscopic analyses.RESULTS Six compounds were isolated from total glycoside H of Marsdenia tenacissima,and their structures were identified as tenacissoside A(1),tenacissoside B(2),tenacissoside C(3),tenacissoside D(4),marsdenoside K(5),11-α-O-ethanoyl-12-β-O-tigloxyl tenacigenin B 3-O-β-D-glucopyranosyl-(1→4)-6-deoxy-3-O-methyl-β-D-allopyranosyl-(1→4)-β-D-oleandropyranoside(6).CONCLUSION Compound 6 was isolated from this plant for the first time.更多还原