Abstract
The enantiomeric separation by capillary electrophoresis (CE) in non-aqueous media was examined. The enantiomeric separations of eight primary amino compounds including aromatic amines, amino acids and amino alcohols were achieved by CE in formamide containing a chiral crown ether, (+)-18-crown-6 tetracarboxylic acid. The addition of tetra- n-butylammonium perchlorate as a supporting electrolyte to the electrophoretic solution improved the separation efficiency and gave the baseline enantiomeric separation of dl-1-phenylethylamine which has not been separated by any other separation mode of CE yet.
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