title: Triazole- and triazolium-containing porphyrin-cages for optical anion sensing.
abstract: Triazole and triazolium groups have been integrated into a zinc(II) metalloporphyrin-based structural framework to produce two porphyrin-cages for anion sensing applications. UV/visible spectroscopic titration investigations reveal both host systems exhibit strong anion binding affinities, with the positively-charged triazolium-porphyrin cage capable of colorimetric sensing halides, fluoride and chloride, and oxoanions in acetone-water solvent mixtures.
authors.affiliation: Department of Chemistry, Inorganic Chemistry Laboratory, University of Oxford, South Parks Road, Oxford, UK OX1 3QR.
authors.forename: Lydia C
authors.initials: LC
authors.lastname: Gilday
authors.forename: Nicholas G
authors.initials: NG
authors.lastname: White
authors.forename: Paul D
authors.initials: PD
authors.lastname: Beer
mesh_terms: D000838:Anions / Q000032:analysis / Q000737:chemistry; D002623:Chemistry Techniques, Analytical / Q000295:instrumentation*; D006860:Hydrogen Bonding; D058116:Lewis Acids; D008665:Metalloporphyrins / Q000737:chemistry*; D008958:Models, Molecular; D008968:Molecular Conformation; D055620:Optical Phenomena; D014230:Triazoles / Q000737:chemistry*; D014867:Water / Q000737:chemistry; D015032:Zinc / Q000737:chemistry
chemical_list: D000838:Anions; D058116:Lewis Acids; D008665:Metalloporphyrins; D014230:Triazoles; D014867:Water; D015032:Zinc