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  • Title: Latifolosides K and L, two new triterpenoid saponins from the bark of Llex latifolia.
    Author: Huang J, Wang X, Ogihara Y, Shimizu N, Akiyama T, Takeda T.
    Journal: Chem Pharm Bull (Tokyo); 2001 Jun; 49(6):765-7. PubMed ID: 11411534.
    Abstract:
    Two new triterpenoid saponins, latifoloside K (1), 3-O-beta-D-glucopyranosyl-(1-->3)-[alpha-L-rhamnopyranosyl-(1-->2)-]-alpha-L-arabinopyranosyl 3beta-hydroxy-urs-12,18-dien-28-oic acid 28-O-beta-D-glucopyranosyl ester and latifoloside L (2), 3-O-beta-D-glucopyranosyl-(1-->2)-beta-D-glucopyranosyl-(1-->3)-[alpha-L-rhamnopyranosyl-(1-->2)-]-alpha-L-arabinopyranosyl 3beta,19alpha-dihydroxyursolic acid, were isolated from the bark of Ilex latifolia Thunb. Also isolated were two known compounds, ilekudinoside A (3) and kudinoside G (4). Structural assignments were established on the basis of spectroscopic data and chemical evidence.
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