Gas chromatographic enantiomer separation on long-chain alkylated β-cyclodextrin chiral stationary phases

被引：17

作者：

Nie, MY ^{[1
]}

Zhou, LM ^{[1
]}

Liu, XL ^{[1
]}

Wang, QH ^{[1
]}

Zhu, DQ ^{[1
]}

机构：

[1] Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116012, Peoples R China

来源：

ANALYTICA CHIMICA ACTA | 2000年 / 408卷 / 1-2期

基金：

中国国家自然科学基金;

关键词：

enantiomer separation; cyclodextrin derivatives; capillary gas chromatography; chiral stationary phases;

D O I：

10.1016/S0003-2670(99)00804-1

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Two new chiral stationary phases, heptakis(2,6-di-O-nonyl-3-O-trifluoroacetyl)-beta-cyclodextrin (DNTBCD) and heptakis(2,6-di-O-dodecyl-3-O-trifluoroacetyl)-beta-cyclodextrin (DDTBCD), were synthesized. The gas chromatographic enantiomeric separation of amines, alcohols, diols, carboxylic acids, amino acids, epoxides, halohydrocarbons and ketones were investigated on DNTBCD, DDTBCD and heptakis(2,w6-di-O-npentyl-3-O-trifluoroacetyl)-beta-cyclodextrin (DPTBCD) stationary phases. It is observed that DNTBCD exhibits the best chiral selectivity among three stationary phases for most racemates investigated. An enthalpy-entropy compensation effect exists within the a-phenylethylamine derivatives separated on DPTBCD and DNTBCD stationary phases. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：279 / 284

页数：6

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