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Article

Study of Different Chiral Columns for the Enantiomeric Separation of Azoles Using Supercritical Fluid Chromatography

I. U. CINQUIMA, Analytical Chemistry Group (TESEA), Faculty of Sciences, University of Valladolid, 47011 Valladolid, Spain
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Author to whom correspondence should be addressed.
Separations 2023, 10(1), 9; https://doi.org/10.3390/separations10010009
Submission received: 18 November 2022 / Revised: 12 December 2022 / Accepted: 20 December 2022 / Published: 23 December 2022
(This article belongs to the Special Issue Women in Separations)

Abstract

The enantiomeric separation of antifungal compounds is an arduous task in pharmaceutical and biomedical fields due to the different properties that each diastereoisomer presents. The enantioseparation of a group of fungicides (sulconazole, bifonazole, triadimefon and triadimenol) using supercritical fluid chromatography was achieved in this work. For this goal, four different chiral columns based on polysaccharide derivatives, as well as the effect of different chromatographic parameters such as temperature, type and percentage of organic modifier (methanol, ethanol and isopropanol), were thoroughly investigated. The inversion of the elution order of enantiomers as a result of a change in the stationary phase or organic modifier was also evaluated by employing a circular dichroism detector. The best separation conditions, in terms of the enantioresolution and analysis time, were obtained with the Lux® Cellulose-2 column using isopropanol as the organic modifier.
Keywords: enantiomeric separation; supercritical fluid chromatography; antifungal compounds; polysaccharide chiral columns; elution order; azoles; SFC separation enantiomeric separation; supercritical fluid chromatography; antifungal compounds; polysaccharide chiral columns; elution order; azoles; SFC separation
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MDPI and ACS Style

Toribio, L.; Magdaleno, I.; Martín-Gómez, B.; Martín, M.T.; Valverde, S.; Ares, A.M. Study of Different Chiral Columns for the Enantiomeric Separation of Azoles Using Supercritical Fluid Chromatography. Separations 2023, 10, 9. https://doi.org/10.3390/separations10010009

AMA Style

Toribio L, Magdaleno I, Martín-Gómez B, Martín MT, Valverde S, Ares AM. Study of Different Chiral Columns for the Enantiomeric Separation of Azoles Using Supercritical Fluid Chromatography. Separations. 2023; 10(1):9. https://doi.org/10.3390/separations10010009

Chicago/Turabian Style

Toribio, Laura, Irene Magdaleno, Beatriz Martín-Gómez, María T. Martín, Silvia Valverde, and Ana M. Ares. 2023. "Study of Different Chiral Columns for the Enantiomeric Separation of Azoles Using Supercritical Fluid Chromatography" Separations 10, no. 1: 9. https://doi.org/10.3390/separations10010009

APA Style

Toribio, L., Magdaleno, I., Martín-Gómez, B., Martín, M. T., Valverde, S., & Ares, A. M. (2023). Study of Different Chiral Columns for the Enantiomeric Separation of Azoles Using Supercritical Fluid Chromatography. Separations, 10(1), 9. https://doi.org/10.3390/separations10010009

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