Tricoordinate Coinage Metal Complexes with a Redox-Active Tris-(Ferrocenyl)triazine Backbone Feature Triazine-Metal Interactions

Straube, Axel and Coburger, Peter and Ringenberg, Mark R. and Hey-Hawkins, Evamarie (2020) Tricoordinate Coinage Metal Complexes with a Redox-Active Tris-(Ferrocenyl)triazine Backbone Feature Triazine-Metal Interactions. CHEMISTRY-A EUROPEAN JOURNAL, 26 (26). pp. 5758-5764. ISSN 0947-6539, 1521-3765

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Abstract

2,4,6-Tris(1-diphenylphosphanyl-1'-ferrocenylene)-1,3,5-triazine (1) coordinates all three coinage metal(I) ions in a 1:1 tridentate coordination mode. The C-3-symmetric coordination in both solid state and solution is stabilised by an uncommon cation-pi interaction between the triazine core and the metal cation. Intramolecular dynamic behaviour was observed by variable-temperature NMR spectroscopy. The borane adduct of 1, 1BH(3), displays four accessible oxidation states, suggesting complexes of 1 to be intriguing candidates for redox-switchable catalysis. Complexes 1Cu, 1Ag, and 1Au display a more complicated electrochemical behaviour, and the electrochemical mechanism was studied by temperature-resolved UV/Vis spectroelectrochemistry and chemical oxidation.

Item Type: Article
Uncontrolled Keywords: ANION-PI INTERACTIONS; CHARGE-TRANSFER; PHOTOPHYSICAL PROPERTIES; ELECTRONIC-STRUCTURE; COPPER(I) COMPLEXES; C-3 SYMMETRY; CATION-PI; LIGAND; GOLD(I); COORDINATION; coinage metal ions; ligand design; phosphane ligands; pi interactions; tridentate ligands
Subjects: 500 Science > 540 Chemistry & allied sciences
Divisions: Chemistry and Pharmacy > Institut für Anorganische Chemie
Chemistry and Pharmacy > Institut für Anorganische Chemie > Arbeitskreis Prof. Dr. Robert Wolf
Depositing User: Dr. Gernot Deinzer
Date Deposited: 26 Mar 2021 09:42
Last Modified: 26 Mar 2021 09:42
URI: https://pred.uni-regensburg.de/id/eprint/44721

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