摘要
目的:研究蒺藜Tribulus terrestris L.茎叶的化学成分。方法:采用大孔树脂、MCI树脂、RP-C18键合硅胶柱色谱、Sephadex LH-20凝胶柱色谱、反相制备高效液相色谱等技术对蒺藜提取物进行分离纯化,并根据理化性质和波谱手段进行结构鉴定。结果:从蒺藜茎叶30%大孔树脂洗脱物中分离得到12个化合物,鉴定出10个化合物,分别为乙酰丁香酮-4’-O-β-D-吡喃葡萄糖苷(1),异嗪皮啶-7-O-β-D-吡喃葡萄糖苷(2),异鼠李素-3-O-β-D-葡萄糖基-7-O-β-D-吡喃葡萄糖苷(3),槲皮素-3-O-β-D-龙胆双糖苷(4),异荭草苷(5),山奈酚-3-O-β-D-龙胆双糖基-7-O-β-D-吡喃葡萄糖苷(6),异鼠李素-3-O-β-D-龙胆双糖基-7-O-β-D-吡喃葡萄糖苷(7),Terrestrinone A2(8),邻苯二甲酸二丁酯(9)和邻苯二甲酸二辛酯(10)。结论:化合物1和5为首次在该属中分离得到。
Objective: To investigate the chemical constituents in the stems and leaves of Tribulus terrestris. Methods: The compounds were isolated and purified by a combination of various column chromatographies techniques including macroporous resin, MCI resin, reversed-phase C18 silica gel, Sephadex LH-20 columns, and reversed-phase HPLC. The structures were identified by means of chemical evidences and spectral analyses including MS, 1H-NMR, and 13C-NMR. Results: Twelve compounds were isolated and 10 were identified as 3', 3'-dimethoxy-4'-hydroxyacetophenone-4'-O-β-D-glucopyranoside(1), isofraxidin-7-O-β-D-glucopyranoside(2), isorhamnetin-3-O-β-D-glucosyl-7-O-β-D-glucoside(3), quercetin-3-O-β-Dgentiobioside(4), isoorientin(5), kaempfero l-3-O-β-D-gentiobioside-7-O-D–glucoside(6), isorhamnetin-3-O-β-D-gentiobioside-7-O-D-glucoside(7), Terrestrinone A2(8), dibutyl phthalate(9), dioctyl phthalate(10). Conclusion: Compounds 1 and 5 are isolated from the plants of Tribulus for the first time.
引文
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