title: Pyridyl thioureas as switchable anion receptors.
abstract: The binding selectivity of simple pyridyl thioureas in acetonitrile can be completely switched by protonation; hence the neutral thiourea binds acetate, but not chloride or bromide, whereas the protonated thiourea binds strongly to chloride or bromide, but is deprotonated by acetate.
authors.affiliation: School of Chemistry, University of Southampton, Southampton, UKSO17 1BJ.
authors.forename: Suad
authors.initials: S
authors.lastname: Rashdan
authors.forename: Mark E
authors.initials: ME
authors.lastname: Light
authors.forename: Jeremy D
authors.initials: JD
authors.lastname: Kilburn
mesh_terms: D000085:Acetates / Q000737:chemistry; D000838:Anions / Q000138:chemical synthesis / Q000737:chemistry; D009682:Magnetic Resonance Spectroscopy; D008958:Models, Molecular; D015394:Molecular Structure; D011522:Protons; D011725:Pyridines / Q000737:chemistry*; D012680:Sensitivity and Specificity; D013237:Stereoisomerism; D013890:Thiourea / Q000031:analogs & derivatives* / Q000138:chemical synthesis / Q000737:chemistry*
chemical_list: D000085:Acetates; D000838:Anions; D011522:Protons; D011725:Pyridines; D013890:Thiourea