Abstract
The potential for the application of macrocyclic antibiotic eremomycin as a chiral selector for the separation of enantiomers of N-derivatives of amino acids in capillary electrophoresis was estimated. The influence of several factors (the composition and pH of the running electrolyte, the concentration of the chiral selector, capillary geometry, the value of the applied voltage) on the migration of the derivatives of amino acids and enantioselectivity in the presence of eremomycin was studied in order to choose the separation conditions. Using the example of the dansyl derivatives of amino acids the enantioselectivities of vancomycin and eremomycin in capillary electrophoresis were compared.
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