Abstract

Two known compounds of the cycloartane series—cyclosieversiosides C and G—and the new glycoside cycloglobiceposide B—24R-cycloartane-3β,6α,16β,24,25-pentaol 16,25-di-O-β-D-glucopyranoside 3-O-β-D-xylopyranoside—have been isolated from the roots ofAstragalus globiceps Bunge. The structures of the glycosides were established on the basis of the results of enzymatic and total hydrolysis and also of1H and13C NMR spectra.

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