Gelegamines A-E: five new oxindole alkaloids from Gelsemium elegans
Zhang, Zhen1,2,3; Di, Ying-Tong1; Wang, Yue-Hu1; Zhang, Zhen4; Mu, Shu-Zhen5; Fang, Xin1; Zhang, Yu1; Tan, Cheng-jian1; Zhang, Qiang1; Yan, Xiao-Hui1; Guo, Jie6; Li, Chun-Shun1; Hao, Xiao-Jiang1
2009-06-06
发表期刊TETRAHEDRON
ISSN0040-4020
卷号65期号:23页码:4551-4556
摘要Five new oxindole alkaloids, gelegamines A-E (1-5), were isolated from the roots of Gelsemium elegans. Their structures were extensively elucidated on the basis of spectroscopic analysis. Among them, the epoxy ring (C-19/C-20) of gelegamine A (1) was assigned as alpha-orientation by ROESY experiment and DFT method at B3LYP/6-31g(d) level, and gelegamine B (2) is the first humantenine-type alkaloid with 19-(E) ethylidene configuration. The absolute configurations of gelegamines A-E (1-5) were established on biosynthetic consideration coupled with CD experiments. (C) 2009 Elsevier Ltd. All rights reserved.
关键词Loganiaceae Gelsemium Elegans Oxindole Alkaloid Gelegamines A-e
资助信息Ministry of Science and Technology [2009CB940900, 2009CB522303]
学科领域Chemistry, Organic
DOI10.1016/j.tet.2009.03.086
收录类别SCI ; IC
语种英语
WOS研究方向Chemistry
WOS类目Chemistry, Organic
WOS记录号WOS:000266431600012
引用统计
被引频次:30[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/4772
专题植物化学与西部植物资源持续利用国家重点实验室
作者单位1.Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources W China, Kunming 650204, Yunnan, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Guizhou Univ, Coll Chem Engn, Guiyang 550004, Peoples R China
4.Dali Univ, Coll Pharmaceut Sci, Dali 677100, Peoples R China
5.Guizhou Prov & Chinese Acad Sci, Key Lab Chem Nat Prod, Guiyang 550002, Peoples R China
6.Sheyang Pharmaceut Univ, Dept Nat Prod Chem, Shenyang 110016, Peoples R China
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Zhang, Zhen,Di, Ying-Tong,Wang, Yue-Hu,et al. Gelegamines A-E: five new oxindole alkaloids from Gelsemium elegans[J]. TETRAHEDRON,2009,65(23):4551-4556.
APA Zhang, Zhen.,Di, Ying-Tong.,Wang, Yue-Hu.,Zhang, Zhen.,Mu, Shu-Zhen.,...&Hao, Xiao-Jiang.(2009).Gelegamines A-E: five new oxindole alkaloids from Gelsemium elegans.TETRAHEDRON,65(23),4551-4556.
MLA Zhang, Zhen,et al."Gelegamines A-E: five new oxindole alkaloids from Gelsemium elegans".TETRAHEDRON 65.23(2009):4551-4556.
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