TRITERPENE GLYCOSIDES FROM Tetrapanax papyriferum. III. MINOR MONODESMOSIDE GLYCOSIDES FROM STEM BARK |
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Authors: | V. S. Strigunov V. I. Grishkovets A. S. Shashkov V. Ya. Chirva |
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Affiliation: | (1) V. I. Vernadskii Tavricheskii National University, 95007 Simferopol', ul. Yaltinskaya, 4;(2) N. D. Zelinskii Institute of Organic Chemistry, Russian Academy of Sciences, 117913 Moscow, B-334, Leninskii prospekt, 47 |
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Abstract: | Minor monodesmoside triterpene glycosides St-A, St-B, St-C1, St-D1, St-C2, and St-D2were isolated from stem bark ofTetrapanax papyriferumC. Koch (Araliaceae). The structures of oleanolic and echinocystic acid 3-O--L-arabinopyranosides, oleanolic and echinocystic acid 3-O--D-glucopyranosyl-(13)-O--L-arabinopyranosides, and oleanolic and echinocystic acid 3-O--D-galactopyranosyl-(12)-O--L-arabinopyranosides, respectively, were proposed. Glycosides St-C2, St-D1, and St-D2are new triterpene glycosides. The structures of the isolated compounds were established using chemical methods and NMR spectroscopy. |
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Keywords: | Tetrapanax papyriferum Araliaceae triterpene glycosides oleanolic and echinocystic acid glycosides |
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