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Chiral separation of novel diazenes on a polysaccharide-basedstationary phase in the reversed-phase mode
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SYSNO ASEP 0483337 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Chiral separation of novel diazenes on a polysaccharide-basedstationary phase in the reversed-phase mode Author(s) Vojtylová, Terézia (FZU-D)
Hamplová, Věra (FZU-D) RID, ORCID, SAI
Galewski, Z. (PL)
Korbecka, I. (PL)
Sýkora, D. (CZ)Number of authors 5 Source Title Journal of Separation Science. - : Wiley - ISSN 1615-9306
Roč. 40, č. 7 (2017), s. 1465-1469Number of pages 5 s. Publication form Print - P Language eng - English Country DE - Germany Keywords azobenzene ; chiral separation ; high-performance liquid chromatography ; liquid-crystalline materials ; photo-induced isomerization Subject RIV CB - Analytical Chemistry, Separation OECD category Analytical chemistry R&D Projects GA15-02843S GA ČR - Czech Science Foundation (CSF) Institutional support FZU-D - RVO:68378271 UT WOS 000399782900004 EID SCOPUS 85016956613 DOI 10.1002/jssc.201601386 Annotation Chiral HPLC separation of two recently synthesized liquid crystalline materials C1 and C2 was studied in the reversed-phase mode. Both materials have an azo-moiety and one chiral center in their molecular structures. The compounds were analyzed in both of their possible forms, the more thermodynamically stable E form and the labile Z form. The conditions and time scale of the UV-induced E toZ transition were briefly evaluated. Under the optimized conditions, we were able to baseline separate S and R enantiomers of both of the studied materials not only in their E forms, but also in their Z forms. In comparison to the separation in the normal-phase mode, which we have reported recently, the resolution in the reversed-phase mode is significantly better. Interestingly, peak reversal was noticed for the S and R enantiomers when the separation was carried out with E versus Z forms of both compounds.
Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2018
Number of the records: 1