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Estimation of racemization barriers of selected helquats and their derivatives by capillary electrophoresis using sulfated cyclodextrins as chiral selectors
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SYSNO ASEP 0469333 Document Type C - Proceedings Paper (int. conf.) R&D Document Type The record was not marked in the RIV Title Estimation of racemization barriers of selected helquats and their derivatives by capillary electrophoresis using sulfated cyclodextrins as chiral selectors Author(s) Sázelová, Petra (UOCHB-X) RID, ORCID
Koval, Dušan (UOCHB-X) RID, ORCID
Severa, Lukáš (UOCHB-X) RID, ORCID
Reyes Gutierrez, Paul Eduardo (UOCHB-X) RID, ORCID
Jirásek, Michael (UOCHB-X) RID
Teplý, Filip (UOCHB-X) RID, ORCID
Kašička, Václav (UOCHB-X) RID, ORCIDSource Title Advances in Chromatography and Electrophoresis & Chiranal 2016. - Olomouc : Palacký University, 2016 / Maier V. - ISBN 978-80-244-4961-6 Pages s. 158-159 Number of pages 2 s. Publication form Print - P Action Advances in Chromatography and Electrophoresis & Chiranal 2016 Event date 06.06.2016 - 09.06.2016 VEvent location Olomouc Country CZ - Czech Republic Event type WRD Language eng - English Country CZ - Czech Republic Keywords capillary electrophoresis ; helquats ; interconversion barrier Subject RIV CB - Analytical Chemistry, Separation R&D Projects GA15-01948S GA ČR - Czech Science Foundation (CSF) Institutional support UOCHB-X - RVO:61388963 Annotation The recently developed capillary electrophoretic (CE) method for chiral analysis of helquats (helical N-heteroaromatic dications) was applied to monitoring of racemization of selected helquats and helquat styryl dyes and for the determination of their racemization barriers, i.e. activation Gibbs free energy deltaG≠. deltaG≠ of analyzed compounds was found to be in the range 107.7 – 115.7 kJ/mol. Workplace Institute of Organic Chemistry and Biochemistry Contact asep@uochb.cas.cz ; Kateřina Šperková, Tel.: 232 002 584 ; Jana Procházková, Tel.: 220 183 418 Year of Publishing 2017
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