Abstract
A chiral crown ether is successfully used as a pseudostationary phase in capillary zone electrophoresis to separate optically active amines. On the basis of the results obtained from the separation of more than 20 amines, two recognition mechanisms are proposed: (I) the four crown ether substituents act as chiral bariers for the guest molecules and (II) lateral electrostatic interactions occur between host and guest. These results are confirmed by thermodynamic studies on the host-guest complexes
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