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Isolation and characterization of related impurities in 24-epibrassinolide

文献类型：期刊论文

作者Chen, Hongli2; Feng, Huijin2; Li, Yuanchao2; Jiang, Biao1
刊名TETRAHEDRON
出版日期2009-03-07
卷号65期号:10页码:2097-2101
关键词24-Epibrassinolide Extra hydroxylated analogs Oxo-analogs Mixed crystals
ISSN号0040-4020
DOI10.1016/j.tet.2008.12.080
文献子类Article
英文摘要Two extra hydroxylated analogs of 24-epibrassinolide (2),17-hydroxy-24-epibrassinolide (4), 25-hydroxy 24-epibrassinolide (5), and two oxo-analogs of 24-epibrassinolide 22-oxo-23S-24-epibrassinolide (6), 22R-23-oxo-24-epibrassinolide (7) as impurities were isolated and identified from the initial material [purity: 2 and its 22S, 23S-isomer (3) :-95%] by using various chromatographic methods and repeated crystallization. Among them, compound 4 and compound 6 were first reported. Their structures were established by spectrometric analysis and X-ray crystallography study. Formation of mixed crystals of 6 and 7 in the crystallization process was postulated and further confirmed. (C) 2009 Elsevier Ltd. All rights reserved.
WOS关键词PLANT-GROWTH REGULATORS ; BRASSINOSTEROIDS ; 25-HYDROXY-BRASSINOLIDE ; 26-HYDROXY-BRASSINOLIDE ; BRASSINOLIDE ; CULTURES ; POLLEN
资助项目Shanghai Municipal Committee of Science and Technology[00000000]
WOS研究方向Chemistry
语种英语
WOS记录号WOS:000263945800023
出版者PERGAMON-ELSEVIER SCIENCE LTD
源URL[http://119.78.100.183/handle/2S10ELR8/279291]  
专题药物化学研究室
通讯作者Li, Yuanchao
作者单位1.Chinese Acad Sci, Shanghai Inst Organ Chem, Shanghai 200032, Peoples R China
2.Chinese Acad Sci, Shanghai Inst Mat Med, Shanghai 201203, Peoples R China;
推荐引用方式
GB/T 7714		 Chen, Hongli,Feng, Huijin,Li, Yuanchao,et al. Isolation and characterization of related impurities in 24-epibrassinolide[J]. TETRAHEDRON,2009,65(10):2097-2101.
APA Chen, Hongli,Feng, Huijin,Li, Yuanchao,&Jiang, Biao.(2009).Isolation and characterization of related impurities in 24-epibrassinolide.TETRAHEDRON,65(10),2097-2101.
MLA Chen, Hongli,et al."Isolation and characterization of related impurities in 24-epibrassinolide".TETRAHEDRON 65.10(2009):2097-2101.

入库方式： OAI收割

来源：上海药物研究所

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