Two new saponins named davuricoside I (1) and davuricoside E (2) were isolated fromthe whole plants of Lysimachia davurica. Their structures were determined by 1D and 2D NMR,FAB-MS techniques, and chemical methods.
Two new saponins named davuricoside H and davuricoside K were isolated from the whole plant of Lysimachia davurica. The structures of davuricoside H and davuricoside K were determined by 1-D and 2-D NMR, MS techniques, and chemical methods to be 3β,16α,28-trihydroxy-olean-12-en-30-oic acid-3-O-β-D-glucopyranosyl-(1→2)-[β-D-glucopyranosyl-(1→4)]-α-L-arabinopyranoside and 3β,16α,28-trihydroxy-olean-12-en-30-oic acid-3-O-{β-D-glucopyranosyl-(1→2)-[β-D-glucopyranosyl-(1→4)]-α-L-arabinopyranosyl}-30-O-β-D-glucopyranosyl-ester.
Two new saponins named capilliposide C 1 and capilliposide D 2 were isolated from the whole plants of Lysimachia capillipes, their structures were determined by 1D and 2D NMR, ESI- MS techniques, and chemical methods. Capilliposide C showed significant cytotoxic activity against human A2780 cells.
Jing Kui TIANChen XIEZhong Mei ZOULi Zhen XUShi Lin YANG
