ENANTIOMERIC SEPARATION OF SUBSTITUTED 2-ARYLOXY PROPIONIC ESTERS - APPLICATION TO THE DETERMINATION OF THE ENANTIOMERIC EXCESS IN HERBICIDE FORMULATIONS

被引：10

作者：

TAMBUTE, A ^{[1
]}

SIRET, L ^{[1
]}

CAUDE, M ^{[1
]}

ROSSET, R ^{[1
]}

机构：

[1] ECOLE SUPER PHYS & CHIM IND,CHIM ANALYT LAB,F-75231 PARIS 05,FRANCE

来源：

JOURNAL OF CHROMATOGRAPHY | 1991年 / 541卷 / 1-2期

关键词：

D O I：

10.1016/S0021-9673(01)96006-6

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The enantiomeric separation of twenty substituted 2-aryloxypropionic acid methyl esters was investigated using a pi-acid chiral stationary phase derived from (R,R)-(N,N'-3,5-dinitrobenzoyl)-trans-1,2-diaminocyclohexane. Resolution factors in the range 2-4 were usually obtained. The parameters affecting the enantioselectivity (electronegativity and position of the aromatic substituents, nature and composition of the mobile phase) are discussed. Finally, the method was applied to the determination of the enantiomeric excess of an optically active herbicide formulation containing the n-butoxyethyl ester of 2-(4-chloro-2-methyl phenoxy)propionic acid.

引用

页码：349 / 357

页数：9

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