title: Self-organized heteroditopic macrocyclic superstructures.
abstract: [structure: see text] The synthesis of heteroditopic macrocyclic ureido receptors and of their NaX complexes is described. NMR studies and determination of the crystal structure show the formation of self-organized dimeric or polymeric superstructures by a cooperative macrocyclic cation complexation, anion-hydrogen bonding, and pi-pi stacking interactions. Membrane transport experiments show a direct relation between the synergetic ion-pair recognition and the transport properties of these molecular information transfer devices.
authors.affiliation: Institut Européen des Membranes CNRS 5635, Place Eugène Bataillon, CC 047, F-34095 Montpellier, France. barboiu@iemm.univ-montp2.fr
authors.forename: Mihail
authors.initials: M
authors.lastname: Barboiu
authors.forename: Gavin
authors.initials: G
authors.lastname: Vaughan
authors.forename: Arie
authors.initials: A
authors.lastname: van der Lee