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  • Title: Application of tetraoxadiaza-crown ether derivatives as chiral selector modifiers in capillary electrophoresis.
    Author: Iványi T, Pál K, Lázár I, Massart DL, Vander Heyden Y.
    Journal: J Chromatogr A; 2004 Mar 05; 1028(2):325-32. PubMed ID: 14989486.
    Abstract:
    Two new diaza-crown ether derivatives (R-1, RS-1) have been synthesized from 1,4,10,13-tetraoxa-7,16-diazacyclooctadecane and tested as potential chiral selectors in capillary electrophoresis (CE) for the chiral separation of five amino acid derivatives. The individual use of the selectors did not lead to chiral differentiation. However, they enhanced the enantioselective effect of different cyclodextrins in dual selector systems. In this paper, we report the effect of different substituted diaza-crown ether derivatives on the separation results obtained in dual systems with cyclodextrins.
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