Abstract
Another seven components from the roots of Astragalus exilis A.Kor. (Leguminosae) were identified using spectral data and chemical transformations. A triterpenoid of genin nature was identical to cyclosiversigenin. One compound of glycosidic nature turned out to be a new cycloartane glycoside called by us cycloexoside B of structure 20R,24S-epoxycycloartan-3β,6α,16β,25-tetraol 3-O-β-D-(2-Oacetyl) xylopyranoside. Five glycosides were identified as cyclosiversigenin 3-O-β-D-xylopyranoside and cyclosiversiosides B, C, D, and G.
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Mamedova, R.P., Agzamova, M.A. & Isaev, M.I. Triterpene Glycosides of Astragalus and Their Genins. LXVII. Structure of Cycloexoside B. Chemistry of Natural Compounds 38, 579–582 (2002). https://doi.org/10.1023/A:1022647006958
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DOI: https://doi.org/10.1023/A:1022647006958