Eudesmane and megastigmane glucosides from Laggera alata
Zheng, QX; Xu, ZJ; Sun, XF; Yao, W; Sun, HD; Cheng, CHK; Zhao, Y
2003-08-01
发表期刊PHYTOCHEMISTRY
ISSN0031-9422
卷号63期号:7页码:835-839
摘要Four eudesmane glucosides. alatosides A-D (1-4), and one megastigmane glucoside, alatoside E (5), were isolated from the BuOH fraction of Laggera alata along with six known compounds. Structures of the new compounds were elucidated by a combination of chemical and spectroscopic methods. Alatosides A-E were characterized as: 1alpha-O-(beta-D-glucopyranosyloxyl)-7-epi-eudesmal-11-en-2beta,4alpha-diol (1) 2beta-O-(beta-D-glucopyranosyloxyl)-eudesma-4alpha-hydroxyl-11(13)-en-12-oic-acid (2), 5beta-O-(beta-D-glucopyranosyloxyl)-eudesma-4(15),11(13)-dien-12-oic-acid (3), 5alpha-O-(beta-D-glucopyranosyloxyl)-eudesma-3,11(13)-dien-12-oic acid (4) and 3beta-O-(beta-D-glucopyranosyloxyl)-megastigma-9-one (5), respectively. Based on the chemical characteristics of eudesmane derivatives isolated from the Laggera genus, it Was suggested that there are probably two different biogenetic pathways for these secondary metabolites in this genus. (C) 2003 Elsevier Ltd. All rights reserved.
关键词Laggera Alata Compositae Eudesmane Megastigmane Alatoside
学科领域Biochemistry & Molecular Biology ; Plant Sciences
DOI10.1016/S0031-9422(03)00370-4
收录类别SCI ; IC
语种英语
WOS研究方向Biochemistry & Molecular Biology ; Plant Sciences
WOS类目Biochemistry & Molecular Biology ; Plant Sciences
WOS记录号WOS:000184507700013
引用统计
被引频次:21[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/151853/4614
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.Zhejiang Univ, Coll Pharmaceut Sci, Dept Tradit Chinese Med & Nat Drug Res, Hangzhou 310031, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Peoples R China
3.Inst Hangzhou Commerce, Dept Food Sci, Hangzhou 310035, Peoples R China
4.Chinese Univ Hong Kong, Dept Biochem, Shatin, Hong Kong, Peoples R China
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Zheng, QX,Xu, ZJ,Sun, XF,et al. Eudesmane and megastigmane glucosides from Laggera alata[J]. PHYTOCHEMISTRY,2003,63(7):835-839.
APA Zheng, QX.,Xu, ZJ.,Sun, XF.,Yao, W.,Sun, HD.,...&Zhao, Y.(2003).Eudesmane and megastigmane glucosides from Laggera alata.PHYTOCHEMISTRY,63(7),835-839.
MLA Zheng, QX,et al."Eudesmane and megastigmane glucosides from Laggera alata".PHYTOCHEMISTRY 63.7(2003):835-839.
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