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Enantioselective capillary gas chromatography on the basis of host-guest interactions with modified cyclodextrins

✍ Scribed by König, W. A. ;Krebber, R. ;Wenz, G.

Publisher
John Wiley and Sons
Year
1989
Tongue
English
Weight
335 KB
Volume
12
Category
Article
ISSN
0935-6304

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✦ Synopsis

The use of per-0-alkylated as well as partially alkylated/acylated derivatives of a-, p-, and y-cyclodextrins as chiral stationary phases has opened many new applications to enantioselective gas chromatography. Chiral recognition is now independent of hydrogen bonding interactions and enantiomer separations are achieved for a large variety of compounds which could not be separated before, including lactones, spiroacetals, alkyl halides, olefins, and even compounds with axial asymmetry.

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Enantioselective separations by capillar
Enantioselective separations by capillary gas chromatography on derivatized cyclodextrins. Part IV: Enantioselective interaction model of 2,2-dialkyl-4-alkoxycarbonyl-1,3-dioxolane derivatives on some substituted cyclodextrins
✍ K. Jaques; W. M. Buda; Prof. Dr. A. Venema; P. Sandra 📂 Article 📅 1995 🏛 John Wiley and Sons 🌐 English ⚖ 480 KB

## Abstract An evaluation of the effects of differently derivatized cyclodextrins and analyte geometry for a series of 2,2‐dialkyl‐4‐alkoxycarbonyl‐1,3‐dioxolane derivatives on enantioselectivity has been performed. It was shown that changes in the cyclodextrin cavity size, caused by either the cho