An industrial perspective on counter anions in gold catalysis: underestimated with respect to “Ligand effects”
The conversion of a variety of well-known test reactions, representing the key reactivity patterns of gold catalysis, were analyzed by GC and 1H NMR. The study is focused on establishing of a strategical approach for the consideration of ligand influence and counter anion influence during the cataly...
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| Hauptverfasser: | , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
25 March 2018
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| In: |
Advanced synthesis & catalysis
Year: 2018, Jahrgang: 360, Heft: 13, Pages: 2493-2502 |
| ISSN: | 1615-4169 |
| DOI: | 10.1002/adsc.201800233 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1002/adsc.201800233 Verlag, lizenzpflichtig, Volltext: https://onlinelibrary.wiley.com/doi/abs/10.1002/adsc.201800233 |
| Verfasserangaben: | Jasmin Schießl, Jürgen Schulmeister, Angelino Doppiu, Eileen Wörner, Matthias Rudolph, Ralf Karch, A. Stephen K. Hashmi |
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| 520 | |a The conversion of a variety of well-known test reactions, representing the key reactivity patterns of gold catalysis, were analyzed by GC and 1H NMR. The study is focused on establishing of a strategical approach for the consideration of ligand influence and counter anion influence during the catalyst optimization including an industrial perspective. The study shows a dominance of the counter anion, a dominance which up to now has been neglected in most of the routine screenings. In addition, a drastic substrate-dependency became obvious, even a marginal variation of the substrate already could strongly effect the catalytic activity and change the optimal counter anion or ligand. Based on the collected data a strategic concept for an efficient screening for a specific substrate is introduced, this concept can serve as an important guideline for catalyst optimization in homogeneous gold catalysis. | ||
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