Studies on chemical constituents from Ilex pubescens |
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Authors: | Yang X Ding Y Sun Z-H Zhang D-M |
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Affiliation: | a The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Southern Yangtze University, Wuxi, Chinab Institute of Meteria Medica, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China |
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Abstract: | Two new phenolic glycosides, ilexpubsides A and B, along with four known lignan glycosides were isolated from the roots of Ilex pubescens. By spectral evidence, the structures of the new compounds were elucidated as 4-O-β-D-[6'-O-(4'-O-β-D-glucopyranosylvanilloyl)glucopyranosyl] vanillic acid (1) and syringinic 6'-O-β-D-xylopyranoside (2). The known compounds were identified to be liriodendrin (3), (-)-olivil (4), tortoside A (5) and (+)-cyclo-olivil (6). All compounds were first isolated from Ilex pubescens. |
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Keywords: | Ilex pubescens Ilexpubside A Ilexpubside B Lignan glycoside |
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