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Taming the High Reactivity of Gold(III) Fluoride: Fluorido Gold(III) Complexes with N-based Ligands

Mathias A. Ellwanger, Simon Steinhauer, Paul Golz, Helmut Beckers, Anja Wiesner, Beatrice Braun-Cula, Thomas Braun, Sebastian Riedel – 2017

The synthesis of [NMe₄][AuF₄] and [NEt₄][AuF₄], as well as an improved one‐pot synthesis of Cs[AuF₄], is reported. The new [AuF₄]⁻ salts were structurally characterized by single crystal X‐ray diffraction, NMR spectroscopy, vibrational spectroscopy, and mass spectrometry. These salts are the first gold(III) fluoride salts that can be isolated in pure form and are convenient to be used in usual organic solvents for subsequent synthesis. The formation of molecular AuF₃ complexes in solution is further reported, characterized as [F₃Au(NCCH₃)] at low temperature, as [F₃Au(py)] and a binuclear derivative which are stable at room temperature. The stability of these species in common organic solvents was investigated and they showed a satisfying stability.

Titel
Taming the High Reactivity of Gold(III) Fluoride: Fluorido Gold(III) Complexes with N-based Ligands
Verfasser
Mathias A. Ellwanger, Simon Steinhauer, Paul Golz, Helmut Beckers, Anja Wiesner, Beatrice Braun-Cula, Thomas Braun, Sebastian Riedel
Schlagwörter
Fluorine Chemistry, Fluorides, Gold(III), Fluorido Organo Gold Compound, Fluoride Complexes, Goldtrifluoride
Datum
2017
Quelle/n
Erschienen in
Chem. Eur. J. 2017, 23, 13501-13509
Zitierweise
DOI: 10.1002/chem.201702663
Sprache
eng