Triterpene glycosides of Gleditschia triacanthos III. The structure of triacanthoside G
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The partial structure of triacanthoside G, a hexaoside of echinocystic acid isolated from the pericarps ofGleditschia triacanthos L., has been determined. The acyloside chain has the structure of D-glucopyranosyl-(1→3)-L-arabopyranosyl-(1 →4)-L-rhamnopyranoside. So far as concerns the chain attached to the hydroxyl at C3 of the aglycone, its qualitative and quantitative composition and the possible sequence of bonds have been determined.
KeywordsMethyl Ethyl Ketone Triterpene Glycoside Cystic Acid Barium Carbonate Caustic Potash
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