Chemical constituents from Cyclocarya paliurus (Batal.) Iljinsk |
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| Affiliation: | 1. Department of Natural Medicinal Chemistry, School of Traditional Chinese Medicine, China Pharmaceutical University, Nanjing 211198, PR China;2. Department of TCMs Pharmaceuticals & State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, PR China;3. Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210009, PR China |
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| Abstract: | A novel triterpenoid, cyclocarioside K, together with fifteen known compounds, including seven triterpenoids (2–8), five flavonoids (9–13), three phenolic derivatives (14–16), was obtained from the leaves of Cyclocarya paliurus (Batal.) Iljinsk (Juglandaceae). Their structures were elucidated by spectroscopic methods, including two-dimensional NMR experiments (HSQC DEPT and HMBC). The chemotaxonomic relationships were also discussed. As a result, 3, 4-secodammarane triterpenoids and kaempferol glycosides may represent phytochemical fingerprints for C. paliurus, and C. paliurus has close relationships with other species of Juglandaceae. |
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| Keywords: | Triterpenoids Flavonoids Phenolic derivatives Chemotaxonomy |
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