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Ammonium boranes for the selective complexation of cyanide or fluoride ions in water.
Structural and computational studies indicate that both steric and electronic effects contribute to the unusual selectivity displayed by these cationic boranes.
Dimerization of the Trinuclear Mercury(II) Complex [(o-C6F4Hg)3·μ3-acetone] via Mercurophilic Interactions
In the crystalline state, the trinuclear mercury(II) complex [(o-C6F4Hg)3·μ3-acetone] forms cofacial dimers which are held by two mercurophilic interactions of 3.51 A. In this form, the complex…
Cyanide anion binding by a triarylborane at the outer rim of a cyclometalated ruthenium(II) cationic complex.
UV-vis spectral changes which accompany either fluoride or cyanide binding to the boron center are similar and include a 30 nm bathochromic shift of the metal-to-ligand charge transfer band.
Fluoride ion capture from water with a cationic borane.
Structural, spectroscopic, and computational studies carried out on 3-F show the existence of an unusual C-H...F-B hydrogen bond.
Substitution of hydroxide by fluoride at the boron center of a BODIPY dye
Stereoelectronic Effects in Cl2 Elimination from Binuclear Pt(III) Complexes.
The mechanism and energetics of halogen elimination from a family of binuclear Pt( III) complexes featuring meridionally coordinated Pt(III) trichlorides are examined, showing a decrease in the photoelimination quantum efficiency with an increase in the thermochemically defined Pt-X bond strength.
Fluoride ion complexation and sensing using organoboron compounds.
Casey Wade is a student at Texas A&M University, where he currently studies anion recognition using main group Lewis acids, and the capture of fluoride, especially in water, is a stimulating academic challenge because of the high hydration enthalpy of this anion.
Fluoride ion recognition by chelating and cationic boranes.
This work demonstrates that Coulombic and chelate effects are additive and can be combined to boost the anion affinity of Lewis acidic hosts and to overcome the incompatibility of these systems with aqueous media.
Stibonium ions for the fluorescence turn-on sensing of F- in drinking water at parts per million concentrations.
- Iou-Sheng Ke, Mykhaylo Myahkostupov, F. Castellano, F. Gabbaï
- ChemistryJournal of the American Chemical Society
- 10 September 2012
The 9-anthryltriphenylstibonium cation, (+), has been synthesized and used as a sensor for the toxic fluoride anion in water and can be used in plain tap water or bottled water to test fluoridation levels.