Two new oleanane saponins, named flaccidoside II and III, were isolated from the rhizome
of Anemone flaccida Fr. Schmidt. On the basis of spectroscopic analysis and chemical transformation their
structures were elucidated as 3-O-[α-L-rhamnopyranosyl-(1→2)-β-D-xylopyranosyl]-oleanolic acid 28-O-[α-L-rhamnopyranosyl-(1→4)-β-D-glucopyranosyl-(1→6)-β-D-glucopyranoside] and 3-O-[β-D-glucopyranosyl-(1→2)-β-D-xylopyranosyl]-oleanolic acid 28-O-[α-L-rhamnopyranosyl-(1→4)-β-D-glucopyranosyl-(1→6)-β-D-glucopyranoside].
Anemone flaccida
- Ranunculaceae - oleanane saponin - structure elucidation - flaccidosides II and
III
