Straube, Axel and Coburger, Peter and Duetsch, Luis and Hey-Hawkins, Evamarie (2020) Triple the fun: tris(ferrocenyl)arene-based gold(i) complexes for redox-switchable catalysis. CHEMICAL SCIENCE, 11 (39). pp. 10657-10668. ISSN 2041-6520, 2041-6539
Full text not available from this repository. (Request a copy)Abstract
The modular syntheses ofC(3)-symmetric tris(ferrocenyl)arene-based tris-phosphanes and their homotrinuclear gold(i) complexes are reported. Choosing the arene core allows fine-tuning of the exact oxidation potentials and thus tailoring of the electrochemical response. The tris[chloridogold(i)] complexes were investigated in the catalytic ring-closing isomerisation ofN-(2-propyn-1-yl)benzamide, showing cooperative behaviourvs.a mononuclear chloridogold(i) complex. Adding one, two, or three equivalents of 1,1 '-diacetylferrocenium[tetrakis(perfluoro-tert-butoxy)aluminate] as an oxidant during the catalytic reaction (in situ) resulted in a distinct, stepwise influence on the resulting catalytic rates. Isolation of the oxidised species is possible, and using them as (pre-)catalysts (ex situoxidation) confirmed the activity trend. Proving the intactness of the P-Au-Cl motif during oxidation, the tri-oxidised benzene-based complex has been structurally characterised.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | WEAKLY COORDINATING ANIONS; ACTIVE MESOIONIC CARBENES; PALLADIUM COMPLEXES; C-3 SYMMETRY; LIGAND; FERROCENE; BEHAVIOR; DESIGN; ELECTROCHEMISTRY; LIGHT; |
| Subjects: | 500 Science > 540 Chemistry & allied sciences |
| Divisions: | Chemistry and Pharmacy > Institut für Anorganische Chemie |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 08 Mar 2021 14:08 |
| Last Modified: | 08 Mar 2021 14:08 |
| URI: | https://pred.uni-regensburg.de/id/eprint/43537 |
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