Journal
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
Volume 67, Issue -, Pages 74-81Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.trac.2015.01.004
Keywords
Achiral separation; Chiral stationary phase; Chiral supercritical fluid chromatography; Closely-related species; Complex mixture; Method development; Supercritical fluid chromatography; Ultra high performance liquid chromatography
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Funding
- MRL Postdoctoral Research Fellows Program
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In recent years, chiral supercritical fluid chromatography (SFC) has emerged as the preferred technique for analytical, semi-preparative and preparative separation of enantiomers in the pharmaceutical industry, due to advantages in speed, high column efficiency and significantly lower mobile-phase consumption than conventional liquid chromatography (LC) techniques. We illustrate the benefits of SFC using chiral stationary phases (CSPs) in method development for separating multicomponent mixtures of closely-related achiral analytes, including hydroxylation isomers, halogen-containing molecules, drug metabolites and analogs, methylation and demethylation species, constitutional isomers, and diastereomers. We present several case studies to illustrate the advantage of using SFC with CSPs for achiral separations, where conventional achiral LC and achiral SFC methods fail or deliver sub-optimal chromatographic performance. (C) 2015 Elsevier B.V. All rights reserved.
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