THE SYNTHESES OF NEW NITROGEN-OXYGEN DONOR MACROCYCLES AND LIQUID MEMBRANE-TRANSPORT OF ALKALI CATIONS

Five new nitrogen-oxygen mixed donor macrocycles have been prepared by condensation of (2-formylphenoxy)ethyl]-4-methylphenylsuiphonamide wi th diamino compounds, followed by a one-pot reduction of the intermedi ate bis-Schiff base. The transport of alkali metal ions across a liqui d membrane using these macrocycles as ion carrier was studied, and the results show that the rates of cation transport are affected by the s ize of macrocycle.