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学科主题: 分析化学
题名: An on-column derivatization method for the determination of the enantiomeric excess of chiral primary amines via indirect enantioseparation by micellar electrokinetic chromatography on-column derivatization
其他题名: An on-column derivatization method for the determination of the enantiomeric excess of chiral primary amines via indirect enantioseparation by micellar electrokinetic chromatography on-column derivatization
作者: Cheng JY(程佳懿) ; Kang JW(康经武)
通讯作者: 康经武
刊名: Electrophoresis
发表日期: 2006-01-01
卷: 27, 期:4, 页:865-871
收录类别: SCI
部门归属: 上海有机所
英文摘要: A method used for determining the enantiomeric excess (ee) value of chiral amino compounds by MEKC is described. In this method, the plug-plug type electrophoretic medicated microanalysis technique was employed to convert the enantiomers of chiral amino compounds into their diastereomers through an on-column derivatization with o-phthaldialdehyde and the chiral reagent N-acetyl-L-cysteine. Afterwards, the resulting diastereomers were easily separated with a nonchiral MEKC approach. The on-column derivatization conditions and the separation conditions were optimized and the method was validated with five chiral amino compounds. The present method can be used for assaying the ee value of chiral amino compound with various structural features, especially for those that have no UV chromophore. Therefore, the method can be potentially used for screening or evaluation of the asymmetric catalysts developed by the combinatorial chemistry. In this case, the ee values of chiral products with various structures need to be measured; however, this is difficult for direct chiral separation approach due to the fact that the chiral selectivity is strongly dependent on the structure of the analytes. The method is simple, reliable, and automatic.
语种: 英语
相关网址: 查看原文
内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/27647
Appears in Collections:上海有机化学研究所_期刊论文

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Recommended Citation:
Cheng JY,Kang JW. An on-column derivatization method for the determination of the enantiomeric excess of chiral primary amines via indirect enantioseparation by micellar electrokinetic chromatography on-column derivatization[J]. Electrophoresis,2006,27(4):865-871.
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