Enantioselectivity of heptakis(6-O-alkyldimethylsilyl-2,3-di-O-ethyl)-β-cyclodextrins as chiral stationary phases in capillary gas chromatography

被引：1
作者：
Kim, BE [1 ]
Kim, MK
Ryu, YK
Park, JK
Park, JH
机构：
[1] Res Inst Ind Sci & Technol, Pohang 790330, South Korea
[2] Yeungnam Univ, Dept Chem, Kyongsan 712749, South Korea
来源：
ANALYTICAL SCIENCES | 1997年 / 13卷
关键词：
capillary GC; enantiomer resolution; chiral stationary phase; derivatized cyclodextrins;
D O I：
10.2116/analsci.13.Supplement_263
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Four heptakis(6-O-alkyldimethylsilyl-2,3-di-O-ethyl)-beta- cyclodextrin (CD) having 6-O-alkyl groups of different chain length, heptakis(6-O-trimethylsilyl-2,3-di-O-ethyl)-beta-CD (MTDE-beta-CD), heptakis(6-O-ethyldimethylsilyl-2,3-di-O-ethyl)-beta-CD (ETDE-beta-CD), heptakis(6-O-octyldimethylsilyl-2,3-di-O-ethyl)-beta-CD (OTDE-beta-CD) and heptakis(6-O-octadecyldimethylsilyl-2,3-(ODDE-beta-CD), were prepared and effect of the chain length of the 6-O-alkyl moiety on the enantioselectivity of the CD derivatives as chiral stationary phases were compared by measuring separation factors of a range of chiral test compounds in capillary gas chromatography. Enantioselectivity of the CD derivatives was observed to be in the order, ETDE-beta-CD greater than or equal to MTDE-beta-CD > OTDE-beta-CD > ODDE-beta-CD.
引用
收藏
页码：263 / 266
页数：4
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