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Asteryunnanosides F and G: two new triterpenoid saponins from Aster yunnanensis

Asteryunnanosides F and G: two new triterpenoid saponins from Aster yunnanensis

Planta Medica 61(5): 446-449

Two new triterpenoid saponins, asteryunnanosides F and G, were isolated from the roots of Aster yunnanensis. Their structures were determined as oleanolic acid-28-O-beta-D-glucopyranosyl-(1 fwdarw 6)-beta-D-glucopyranoside and 3-O-beta-glucopyranosyloleanolic acid-28-O-beta-D-glucopyranosyl-(1 fwdarw 6)-(alpha-L-rhamnopyranosyl-(1 fwdarw 2))-beta-D-glucopyranoside by spectral data, especially 2D NMR analysis including COSY, HETCOR, HOHAHA, and ROESY techniques, and chemical transformation.

Accession: 008198421

Download citation: RISBibTeXText

PMID: 7480206

DOI: 10.1055/s-2006-958133

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