Pratihar, Sanjay ; Marek, Jaromir ; Roy, Sujit (2011) Mono cationic palladium(II): synthesis, characterization and catalytic activity in Suzuki coupling Inorganica Chimica Acta, 372 (1). pp. 362-366. ISSN 0020-1693
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.ica.2011.03.045
Abstract
Monocationic five and four-coordinate PdII complexes have been synthesized in a facile manner involving the reaction of (COD)PdCl2 with AgPF6 and a nitrogen or phosphorus ligand. Complexes synthesized via this route are five coordinate [PdCl(2,9-Me2Phen)2]PF6 2 and four coordinate [L3PdCl]PF6 (L=PPh3, 3; P(p-Tol)3, 4; P(OEt)3; 5). ESI-MS studies at varying cone-voltage indicated ligand dissociation depending upon ligand cone-angle. A halo-bridged complex [PdCl(μ-Cl){P(p-Tol)3}]2 7 has been isolated from 4 in methanol. The cationic complexes have been screened as catalyst in Suzuki coupling involving aryl halide and phenylboronic acid. Complex 4 showed appreciable turnover.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Palladium Compounds; Cationic Complexes; Suzuki Coupling; Catalysis; Phosphine Ligand; NN-ligand |
| ID Code: | 42949 |
| Deposited On: | 08 Jun 2011 08:23 |
| Last Modified: | 08 Jun 2011 08:23 |
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