CN: 32-1845/R
ISSN: 2095-6975
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ZHOU Si-Xiang, YAO Zhi-Rong, LI Jun, TU Peng-Fei. Flavonoids from the leaves of Ilex cornuta[J]. Chinese Journal of Natural Medicines, 2012, 10(2): 84-87

Flavonoids from the leaves of Ilex cornuta

ZHOU Si-Xiang, YAO Zhi-Rong, LI Jun, TU Peng-Fei
State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
Abstract:
AIM: To study the chemical constituents of the leaves of Ilex cornuta Lindl. ex Paxt.. METHODS: The compounds were isolated by column chromatography with silica gel and preparative HPLC. Their structures were determined on the basis of physicochemical properties and spectroscopic analysis. RESULTS: Nine flavonoids were obtained and identified as kaempferol -3-O-β-D-glucopyranosyl-(1→2)-α-L-arabinopyranoside (1), quercetin-3-O-β-D-glucopyranosyl-(1→2)-α-L-arabinopyranoside (2), isorharmetin-3-O-β-D-glucopyranoside (3), hyperin (4), 3'-methoxydaidzin (5) isorhamnetin(6), formononetin (7), kaempferol (8), quercetin (9). CONCLUSION: Compound 1 is a new flavonoid.
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Received: 2011-05-16   Revised:
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