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Three new (1–3) and seven known (4–10) triterpenoids, together with one new (11) and fifteen known (12–26) dibenzocyclooctadiene lignans, were isolated from the fruit of Schisandra sphenanthera Rehd. et Wils. Their structures were elucidated by extensive analysis of spectroscopic methods, including HRESIMS, 1D and 2D NMR spectra and CD experiments. All of the isolated triterpenoids (1−10) were evaluated...
The discovery of new natural compounds with pharmacological properties is an increasingly important field, and a continuous phytochemical investigation of the roots of Bupleurum chinense D.C. has led to the isolation of 17 triterpenoids, including three new oleanane triterpenes (1–3) together with 14 known ones. Their structures were determined on the basis of 1D and 2D NMR spectra as well as HR-ESI-MS...
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