Chemistry of Natural Compounds p. 312 - 315 (1992)
Update date:2022-08-30
Topics:
Imomnazarov, B. A.
Isaev, M. I.
In addition to known glycosides of the cycloartane series - cyclosieversiosides A, E, and F - a new acetylated compound of glycosidic nature - cycloexoside - has been isolated from the roots of Astragalus exilis A.Kor. (Leguminosae).On the basis of chemical transformations and spectral characteristics, the structure of cycloexoside has been established as 20R,24S-epoxycycloartane-3β,6α,16β,25-tetrol 3-O-(2,3-di-O-acetyl-β-D-xylopyranoside)
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