| 大苞藤黄化学成分研究及其互变异构体超高效液相色谱质谱联用分析 |
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| 引用本文： | 范青飞,纳智,胡华斌,许又凯,唐霆.大苞藤黄化学成分研究及其互变异构体超高效液相色谱质谱联用分析[J].天然产物研究与开发,2012,24(8):1055-1059,1074. |
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| 作者姓名： | 范青飞 纳智 胡华斌 许又凯 唐霆 |
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| 作者单位： | Laboratory of Tropical Plant Resource Science,Xishuangbanna Tropical Botanical Garden,Chinese Academy of Sciences;Graduate University of Chinese Academy of Sciences |
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| 基金项目： | The work were supported by National Natural Science Foundation of China(No.20702061);financial support from the Chinese Academy of Sciences(KSCX2-YW-R-172) |
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| 摘 要： | 从大苞藤黄枝叶的混合粉碎物中分离到11个化合物,运用光谱手段分别鉴定为neobractatin(1),brasixanthone B (2),5-O-methylxanthone V1 (3),10-O-methylmacluraxanthone (4),isobractatin (5),xanthone V1(6),xerophenone A (7),xerophenone B (8),bractatin (9),macluraxanthone (10)和3-O-methylneobractatin (11).本文首次应用超高效液相色谱-质谱联用技术分离了异构体7和8并测定了其精确分子量.其中化合物6～8为首次从该植物中发现.
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| 关 键 词： | 大苞藤黄 化学成分 口山酮 互变异构体 超高效液相色谱分析 |
Chemical Constituents from Garcinia bracteata and Ultra Performance Liquid Chromatography/Mass Spectrometry Guided Isolation of Tautomers |
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| FAN Qing-fei
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NA Zhi
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HU Hua-bin
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XU You-kai
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TANG Ting.Chemical Constituents from Garcinia bracteata and Ultra Performance Liquid Chromatography/Mass Spectrometry Guided Isolation of Tautomers[J].Natural Product Research and Development,2012,24(8):1055-1059,1074. |
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| Authors: | FAN Qing-fei NA Zhi HU Hua-bin XU You-kai TANG Ting |
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| Institution: | 1. Laboratory of Tropical Plant Resource Science,Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences,Mengla 666303, China;Graduate University of Chinese Academy of Sciences,Beijing 100049, China
2. Laboratory of Tropical Plant Resource Science,Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences,Mengla 666303, China |
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| Abstract: | Eleven compounds have been isolated from the twigs of Garcinia Bracteata.Their structures were identified on the basis of spectroscopic analysis and chemical evidence:neobractatin(1),brasixanthone B(2),5-O-methylxanthone V1(3),10-O-methylmacluraxanthone(4),isobractatin(5),xanthone V1(6),xerophenone A(7),xerophenone B(8),bractatin(9),macluraxanthone(10) and 3-O-methylneobractatin(11).Tautomers(7) and(8) were firstly confirmed on the basis of Ultra Performance Liquid Chromatography/Mass Spectrometry(UPLC/MS).Among them,compounds 6-8 were isolated from G.bracteata for the first time. |
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| Keywords: | Garcinia bracteata chemical constituent prenylated xanthone tautomers UPLC analysis |
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