Anion control of ligand self-recognition in a triple helical arrayElectronic supplementary information (ESI) available: synthesis and characterisation of ligands and complexes. All new compounds were characterised by CHN, 1H NMR and ESI-MS. 1H NMR of the mixing experiment. See http://www.rsc.org/suppdata/cc/b3/b313218h/

Abstract

Self-assembly of the ligand L(1) with Co(2+) into a dinuclear triple helicate [Co(2)(L(1))(3)](4+) produces an anion binding pocket which encapsulates perchlorate anions. Furthermore we demonstrate how this ability to bind anions can control ligand self-recognition properties.