Triterpene glycosides ofHedera helix III. Structure of the triterpene sulfates and their glycosides |
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| Authors: | V. I. Grishkovets A. E. Kondratenko A. S. Shashkov V. Ya. Chirva |
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| Affiliation: | (1) Simferopol' State University, ul. Yaltinskaya, 4, 33036 Simferopol';(2) N. D. Zelinskii Institute of Organic Chemistry, Russian Academy of Sciences, V-334, Leninskii Prospekt, 47, 117913 Moscow |
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| 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- -L-rhamnopyranosyl-(1 4)-O- -D-glucopyranosyl-(16)-O--D-glucopyranosyl esters and the new 3-sulfate of 28-O--gentiobiosyl oleanolate — helicoside L-8a. The structures of the compounds isolated were deduced from the results of chemical transformations and NMR spectroscopy.Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 87–90, January–February, 1999. |
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