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铁皮石斛茎乙醇提取物正丁醇溶性部分化学成分研究
引用本文:魏泽元.铁皮石斛茎乙醇提取物正丁醇溶性部分化学成分研究[J].中国现代中药,2013,15(12):1042-1045.
作者姓名:魏泽元
作者单位:安徽医科大学 附属省立医院,安徽合肥230001
摘    要:目的:研究铁皮石斛茎乙醇提取物的正丁醇溶性部分的化学成分。方法:利用硅胶、凝胶及反相硅胶等色谱方法对正丁醇溶性部分进行分离,根据质谱、核磁共振等波谱技术对分离的单体化合物进行结构鉴定。结果:从铁皮石斛的正丁醇部位分离得到7个糖苷类化合物,分别鉴定为:芹菜素-7-O-β-D-葡萄糖苷(1),枸橼苦素C(2),3,5-二甲氧基4-羟基苯基-1-O-β-D-吡喃葡萄糖苷(3),7-甲氧基香豆素-6-O-β-D-吡喃葡萄糖苷(4),淫羊藿醇A:-4-O-β—D-吡喃葡萄糖苷(5),灯盏花素2(6),(+)-丁香脂素-O--β-D-吡喃葡萄糖苷(7)。结论:化合物1,2,4均为首次从铁皮石斛中分离得到。

关 键 词:铁皮石斛  正丁醇部分  化学成分  结构鉴定
收稿时间:2013/7/11 0:00:00

Chemical Constituents from n-butanol Extracts of Dendrobium officinale
WEI Ze-yuan.Chemical Constituents from n-butanol Extracts of Dendrobium officinale[J].Modern Chinese Medicine,2013,15(12):1042-1045.
Authors:WEI Ze-yuan
Institution:I * ( Anhui Medical University Affiliated Provincial Hospital, Hefei 230001, China; 2. Anhui University of Chinese medicine, Hefei 230031, China)
Abstract:Objective: To study the chemical constituents from n-butanol extracts of Dendrobum officinale. Methods: A variety of chromatographic methods such as silica gel, Sephadex LH-20 and Pre PC1s column were used. Compounds structures were determined by mass spectrometry and nuclear magnetic resonance (NMR) techniques. Results: Seven compounds of glycosides were isolated from D. officinale and identified as follows: apigenin-7-O--β-D-glucopyranoside ( 1 ), citrusin C ( 2 ), 3, 5-dimethoxy-4-hydroxyphenyl-l-O-β-D-glucopyranoside (3), 7- methoxy-coumarin-6-O-β-D-glucopyranoside (4), icariol A2-4-O-β-D-glucopyranoside (5), erigeside 2 ( 6 ), ( + ) syringaresinol-4-O-β-D-monoglucoside(7). Conclusion: Compound 1, 2 and 4 were isolated from D. officinale for the first time.
Keywords:Dendrobium officinale  n-butanol extracts  Chemical constituents  Structural elucidation
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