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New apiose-containing triterpenoid saponins from Conyza blinii

机译:来自Conyza blinii的新的含apiose的三萜皂苷

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Four new apiose-containing triterpenoid saponins, conyzasaponins D, E, F, and H, were isolated from the aerial parts of Conyza blinii. They are the first examples of triterpenoid saponins containing one apiose unit whose C-2 is substituted by a galactose. Conyzasaponins D and F have two apiose units, a sugar that has been rarely observed in natural products research. Their structures were established on the basis of extensive NMR studies and chemical degradation. Conyzasaponins D and F exhibited moderate cytotoxicity against HL-60 cell lines.
机译:从Conyza blinii的地上部分中分离出四个新的含apiose的三萜皂苷,即conyzasaponins D,E,F和H。它们是三萜类皂苷的第一个例子,其包含一个其C-2被半乳糖取代的apiose单元。 Conyzasaponins D和F具有两个apiose单元,这是一种在天然产物研究中很少观察到的糖。它们的结构是在广泛的NMR研究和化学降解的基础上确定的。 Conyzasaponins D和F对HL-60细胞系表现出中等的细胞毒性。

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