3-Epi-oleanene type triterpene glycosyl esters from leaves of Acanthopanax spinosus
1993
Miyakoshi, M. | Ida, Y. | Isoda, S. | Shoji, J.
Three novel 3-epi-oleanene type triterpene oligo-glycosyl esters, spinosides D1-D3, were isolated from the leaves of Acanthopanax spinosus. The structures were established to be 28-O-alpha-L-rhamnopyranosyl(1 leads to 4)-beta-D- glucopyranosyl (1 leads to 6)-beta-D-glucopyranosyl esters of 3-epi-serratagenic acid, 3 alpha-hydroxy-23-oxoolean-12-ene-28,29- dioic acid and 3 alpha,23-dihydroxy-olean-12-ene-28,29-dioic acid.
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