Abstract
Direct capillary zone electrophoretic methods were developed for the separation of the enantiomers of 1-(α-aminoarylmethyl)-2-naphthol and 2-(α-aminoarylmethyl)-1-naphthol analogues. The effects of selector and buffer concentrations, electrolyte pH and applied voltage on the separation efficiency were studied. Variation of the electrophoretic conditions with the application of negative polarity, hydrodynamic injection, an unmodified silica capillary, different buffers and sulfated cyclodextrins and (S,S)-dimethylpyridino-18-crown-6 ether as chiral selectors led to the baseline resolution of all the compounds investigated.
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Acknowledgment
This work was supported by OTKA grants K 67563 and K 62654, and by Jedlik Ányos grant 00180/2007, NKFP_07_A3_NATURSEP.
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Dedicated to Professor Károly Lempert on the occasion of his 85th birthday.
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Ilisz, I., Iványi, R., Pataj, Z. et al. CE Enantioseparation of Betti Bases with Cyclodextrins and Crown Ether as Chiral Selectors. Chroma 71 (Suppl 1), 115–119 (2010). https://doi.org/10.1365/s10337-009-1465-5
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DOI: https://doi.org/10.1365/s10337-009-1465-5