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Five new furostanol saponins (1–5), together with three known compounds (6–8) were obtained from the n-butanol soluble fraction of ethanol extract from Tupistra chinensis. Their structures were determined on the basis of chemical methods and spectral data. The isolated compounds were tested in vitro for their cytotoxic activities against the A549, HepG 2 and Caski cancer cell lines. Among them, compounds...
The structures of four new diastereoisomeric triterpenoidal saponins Julibroside J 5 , J 8 , J 12 and J 13 (1–4) isolated from Albizia julibrissin Durazz. (Leguminosae) have been determined on the basis of comprehensive spectroscopic analysis and chemical degradation. Julibroside, J 8 and J 13 showed marked cytotoxic activities against Bel-7402 cancer...
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