Phenolic Compounds from Roots of Imperata cylindrica ***
Phenolic Compounds from Roots of Imperata cylindrica var. major作者机构：Key Laboratory of Modern Preparation of Traditional Chinese MedicineMinistry of EducationJiangxi University of Traditional Chinese Medicine College of PharmacyJiangxi University of Traditional Chinese Medicine Zhejiang Research Institute of Traditional Chinese Medicine Co.Ltd.
出 版 物：《Chinese Herbal Medicines》 (中草药(英文版))
年 卷 期：2013年第5卷第3期
页 面：240-243页
学科分类：1008[医学-中药学(可授医学、理学学位)] 1007[医学-药学(可授医学、理学学位)] 1006[医学-中西医结合] 100602[医学-中西医结合临床] 10[医学]
基 金：National Natural Science Foundation of China(30860363)
主 题：flavonoids Gramineae Imperata cylindrica var.major phenylpropanoids phenols
摘 要：Objective To study the chemical constituents from the roots of Imperata cylindrica *** The chemical constituents were isolated and purified by combination of silica gel,Sephadex LH-20,polyamide,and ODS column *** structures of the isolated compounds were identified by means of spectral data and physicochemical *** Twelve phenolic compounds were isolated from *** *** and identified as 4,7-dimethoxy-5-methylcoumarin(1),7-hydroxy-4-methoxy-5-methylcoumarin(2),7-O-β-D-glucopyranosyl-4-methoxy-5-methylcoumarin(3),6-hydroxy-5-methoxyflavone(4),5-methoxyflavone(5),5,7-dihydroxy-8-methoxyflavone(6),4-hydroxybenzaldehyde(7),4-hydroxy-cinnamic acid(8),4-hydroxy-3-methoxybenzoic acid(9),3,4-dimethoxyphenyl-O-α-L-rhamnopyranosyl-(1→6)-β-D-glucopyranoside(10),impecyloside(11),and graminone A(12).Conclusion Compounds 2—4,6,and 10 are obtained from this plant for the first time.
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