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Triterpene glycosides of Astragalus and their genins XXXV. Cycloaraloside C from Astragalus amarus

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Abstract

A new triterpene glycoside of the cycloartane series (cycloaraloside C) has been isolated from the roots of the plantAstragalus amarus Pall. (Leguminosae). Cycloaraloside C is a bioside of cyclosieversigenin including one D-glucose residue and one D-apiose residue. The structure of the glycoside has been shown on the basis of the chemical transformations and spectral characteristics as 20R,24S-epoxycycloartane-3β,6α,16β,25-tetraol 3-O-[O-(D-apio-β-D-furanosyl)-(1 → 2)-β-D-glucopyranoside]. This is the first time that D-apiose has been found among cycloartane glycosides.

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Literature cited

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Authors
  1. M. I. Isaev
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  2. N. K. Abubakirov
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Additional information

Institute of Chemistry of Plant Substances, Academy of Sciences of the Uzbek, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 6, pp. 783–787, November–December, 1990.

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Isaev, M.I., Abubakirov, N.K. Triterpene glycosides of Astragalus and their genins XXXV. Cycloaraloside C from Astragalus amarus. Chem Nat Compd 26, 667–670 (1990). https://doi.org/10.1007/BF00630078

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  • DOI: https://doi.org/10.1007/BF00630078

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