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tert-Butyldimethylsilyl-substituted cyclodextrin derivatives as versatile chiral stationary phases in capillary GC

✍ Scribed by Birgit Maas; Armin Dietrich; Volker Karl; Astrid Kaunzinger; Detmar Lehmann; Thomas Köpke; Armin Mosandl

Publisher
John Wiley and Sons
Year
1993
Tongue
English
Weight
412 KB
Volume
5
Category
Article
ISSN
1040-7685

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✦ Synopsis

Abstract

tert‐Butyldimethylsilylated cyclodextrin derivatives dissolved in polysiloxanes were shown to be versatile chiral stationary phases for the differentiation of important chiral food and flavor ingredients and chiral acids of biochemical and pharmaceutical interest.

📜 SIMILAR VOLUMES

Di-tert-butyldimethylsilylated cyclodext
Di-tert-butyldimethylsilylated cyclodextrins as chiral stationary phases: Thermodynamic investigations
✍ Birgit Maas; Armin Dietrich; Thomas Beck; Susanne Börner; Armin Mosandl 📂 Article 📅 1995 🏛 John Wiley and Sons 🌐 English ⚖ 467 KB

Thermodynamic data, which are derived from measurements of separation factors at different temperatures for various chiral compounds, show some expected, but also some surprising effects concerning the mechanism of chiral recognition for the cyclodextrin derivatives investigated.

Comparison of different 6-tert-butyldime
Comparison of different 6-tert-butyldimethyl-silylated cyclodextrins as chiral stationary phases in GC
✍ Birgit Maas; Armin Dietrich; Armin Mosandl 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 713 KB

Separation factors and thermodynamic data for the separation of various chiral analytes on different 6-TBDMS-derivatized y( p )-cyclodextrin-phases were collected and discussed. Modifying the alkyl chain length of the substituents in position 2, and 3 of the cyclodextrin molecule or changing from p

2,3-Di-O-pentyl-6-O-tert-butyldimethylsi
2,3-Di-O-pentyl-6-O-tert-butyldimethylsilyl-β-cyclodextrin as a Chiral Stationary Phase in Capillary Gas Chromatography
✍ Miranda, Elena ;Sánchez, Félix ;Sanz, Jesús ;Jiménez, María I. ;Martínez-Castro, 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 115 KB 👁 1 views

2,3-Di-O-pentyl-6-O-tert-butyldimethylsilyl-b-cyclodextrin has been evaluated as an enantioselective stationary phase for capillary gas chromatography. Experimental results show a good enantioselectivity towards compounds with different functional groups (haloalkanes, alcohols, esters, terpenoids, a