Analysis and purification of alcohol-sensitive chiral compounds using 2,2,2-trifluoroethanol as a modifier in supercritical fluid chromatography |
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Authors: | Byrne Neal Hayes-Larson Eleanor Liao Wei-Wei Kraml Christina M |
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Institution: | Lotus Separations, LLC, Princeton University, Washington Road, Princeton, NJ 08544, USA. |
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Abstract: | 2,2,2-Trifluoroethanol (TFE) is evaluated as an alternative modifier for the analysis and purification of alcohol-sensitive chiral compounds using supercritical fluid chromatography (SFC). Four chiral compounds, selected for their sensitivity to alcohols, in addition to a variety of standard chiral compounds were analyzed by SFC using TFE with polysaccharide and Pirkle-type chiral stationary phases (CSPs) to produce selectivities (alpha) and resolutions (Rs) as high as 1.4 and 7.2. A preparative isolation of 2-phenylglutaric anhydride was achieved using TFE as the mobile phase modifier to produce clean enantiomers. |
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