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题名: Four new compounds from Ligularia virgaurea: isolation of eremophilane and noreremophilane sesquiterpenoids and the absolute configuration of 2 alpha-hydroxyeremophil-11-en-9-one by CD spectrum and DFT calculation
作者: Saito, Yoshinori1; Taniguchi, Mizuho1; Komiyama, Teppei2; Ohsaki, Ayumi2; Okamoto, Yasuko1; null(龚洵)3; Kuroda, Chiaki4, 5; Tori, Motoo1
刊名: TETRAHEDRON
关键词: Asteraceae ; Ligularia virgaurea ; Sesquiterpenoid ; Absolute configuration ; Circular dichroism
英文摘要: Four new compounds, rearranged noreremophilan-8,6-olide, rearranged dinoreremophilanone, epoxy gamma-lactone, and 2 alpha-hydroxyermophil-11-en-9-one, along with eremophilenolides related to ligularol and other known terpenoids, were isolated from Ligularia virgaurea (ligularol type) collected from the northern Sichuan Province of China. Three of the new compounds had degraded and unique structures. The absolute configuration of 2 alpha-hydroxyermophil-11-en-9-one was determined on the basis of density functional theory calculation. The back octant rule cannot be applied to this compound because of the contribution of the hydroxy group to the front octant. (C) 2013 Elsevier Ltd. All rights reserved.
出版日期: 2013-09-30
卷号: 69, 期号:39, 页码:8505-8510
DOI标识: 10.1016/j.tet.2013.06.104
语种: 英语
ISSN号: 0040-4020
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/16849
Appears in Collections:资源植物与生物技术所级重点实验室_期刊论文

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作者单位: 1.Tokushima Bunri Univ, Fac Pharmaceut Sci, Yamashiro, Tokushima 7708514, Japan
2.Tokyo Med & Dent Univ, Inst Biomat & Bioengn, Chiyoda Ku, Tokyo 1010062, Japan
3.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Peoples R China
4.Rikkyo Univ, Dept Chem, Toshima Ku, Tokyo 1718501, Japan
5.Rikkyo Univ, Res Ctr Smart Mol, Toshima Ku, Tokyo 1718501, Japan

Recommended Citation:
Saito, Yoshinori; Taniguchi, Mizuho; Komiyama, Teppei; Ohsaki, Ayumi; Okamoto, Yasuko; Gong, Xun; Kuroda, Chiaki; Tori, Motoo.Four new compounds from Ligularia virgaurea: isolation of eremophilane and noreremophilane sesquiterpenoids and the absolute configuration of 2 alpha-hydroxyeremophil-11-en-9-one by CD spectrum and DFT calculation,TETRAHEDRON,2013,69(39):8505-8510
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文件名: Saito-2013-Four new compounds f.pdf
格式: Adobe PDF
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