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学科主题: 药学
题名:
Flavan-3-ols from the rhizomes of Drynaria fortunei
作者: Liang, Yong-hong1; Ye, Min1; Yang, Wen-zhi1; Qiao, Xue1; Wang, Qing1; Yang, Hai-jun2; Wang, Xiao-li2; Guo, De-an1
关键词: Drynaria fortunei ; Polypodiaceae ; Flavan-3-ol ; Atropisomerism ; Low temperature NMR spectroscopy
刊名: PHYTOCHEMISTRY
发表日期: 2011-10-01
DOI: 10.1016/j.phytochem.2011.05.011
卷: 72, 期:14-15, 页:1876-1882
收录类别: SCI ; IC
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Biochemistry & Molecular Biology ; Plant Sciences
研究领域[WOS]: Biochemistry & Molecular Biology ; Plant Sciences
关键词[WOS]: CASSIA-FISTULA L ; DAVALLIA-DIVARICATA ; MAGNETIC-RESONANCE ; CIRCULAR-DICHROISM ; TANNINS ; FLAVONOIDS ; PROANTHOCYANIDINS ; ANTHOCYANINS ; PROCYANIDINS ; PLANTS
英文摘要:

One monomer flavan-3-ol, 4 alpha-carboxymethyl-(+)-catechin methyl ester, two monomer flavan-3-ol glycosides, (+)-afzelechin-3-O-beta-allopyranoside, (+)-afzelechin-6-C-beta-glucopyranoside, two dimer flavan-3-ols, (-)-epiafzelechin-(4 beta -> 8)-4 beta-carboxymethyl-(-)-epicatechin methyl ester, and -(-)-epiafzelechin-(4 beta -> 8)-4 alpha-carboxymethyl-(-)epiafzelechin ethyl ester, and one trimer flavan-3-ol, (-)-epiafzelechin-(4 beta -> 8)-(-)-epiafzelechin-(4 beta -> 8)-4 beta-carboxymethyl-(-)-epiafzelechin methyl ester, together with thirteen known flavan-3-ols were isolated from the rhizomes of Drynaria fortune′ (Kunze) J.Sm (Polypodiaceae). The structures were established by analysis of their HRESIMS, 10,20 NMR spectroscopic, and CD data. In order to obtain improved resolution, the high-resolution NMR spectra of the dimers and trimer were measured at -40 degrees C. (C) 2011 Elsevier Ltd. All rights reserved.

语种: 英语
所属项目编号: 985-2-119-121
项目资助者: Peking University Health Science Center
WOS记录号: WOS:000294973300022
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/62366
Appears in Collections:北京大学药学院_期刊论文

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作者单位: 1.Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R China
2.Peking Univ, Sch Pharmaceut Sci, State Key Lab Nat & Biomimet Drugs, Beijing 100191, Peoples R China

Recommended Citation:
Liang, Yong-hong,Ye, Min,Yang, Wen-zhi,et al. Flavan-3-ols from the rhizomes of Drynaria fortunei[J]. PHYTOCHEMISTRY,2011,72(14-15):1876-1882.
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