Abstract
From the leaves of English ivyHedera helix L. we have isolated the known 3-sulfates of oleanolic and echinocystic acids and their 28-O-α-L-rhamnopyranosyl-(1→4)-O-β-D-glucopyranosyl-(1→6)-O-β-D-glucopyranosyl esters and the new 3-sulfate of 28-O-β-gentiobiosyl oleanolate — helicoside L-8a. The structures of the compounds isolated were deduced from the results of chemical transformations and NMR spectroscopy.
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Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 87–90, January–February, 1999.
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Grishkovets, V.I., Kondratenko, A.E., Shashkov, A.S. et al. Triterpene glycosides ofHedera helix III. Structure of the triterpene sulfates and their glycosides. Chem Nat Compd 35, 70–72 (1999). https://doi.org/10.1007/BF02238213
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DOI: https://doi.org/10.1007/BF02238213