Efficient Carbonylation of Aryl and Heteroaryl Bromides using a Palladium/Diadamantylbutylphosphine Catalyst
✍ Scribed by Helfried Neumann; Anne Brennführer; Peter Groß; Thomas Riermeier; Juan Almena; Matthias Beller
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 105 KB
- Volume
- 348
- Category
- Article
- ISSN
- 1615-4150
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📜 SIMILAR VOLUMES
Pd(PÀOÀP)(Ar)] complexes with ligands that have wide bite angles are active catalysts for the coupling of aniline derivatives with aryl triflates. Kinetic studies show that for these systems a fast equilibrium that involves coordination of the amine precedes the deprotonation, which is the rate-limi
## Abstract A simple and atom‐economical procedure for the regioselective C‐2 or C‐5 arylation of pyrroles __via__ a CH bond activation is reported. Only 0.5–0.01 mol% of commercially available and air‐stable ligand‐free palladium(II) acetate [Pd(OAc)~2~] was employed as the catalyst. The presence