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[Pd(H)(SnCl3)L2]: The key active species in the catalyzed alkoxycarbonylation reaction of terminal alkenes |
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| Authors: | Duc Hanh Nguyen,Martine Urrutigoï ty |
| Affiliation: | a Laboratoire de Catalyse, Chimie Fine et Polymères, Ecole Nationale Supérieure des Ingénieurs en Arts Chimiques Et Technologiques, 118, route de Narbonne, 31077 Toulouse, Cedex 4, France b Laboratoire de Chimie de Coordination, CNRS, 205, route de Narbonne, 31077 Toulouse, Cedex 4, France |
| Abstract: | The four complexes [Pd(H)(Cl)L2] and [Pd(H)(SnCl3)L2], L = PPh3, PCy3, have been synthesized and fully characterized by multinuclear NMR. They represent the active species of the hydride palladium-catalyzed alkoxycarbonylation of terminal alkenes. Isolation of the model acylplatinum complex, resulting from the carbonylation of dihydromyrcene, clearly shows that SnCl2 as co-catalyst produces a SnCl3 ligand which modulates the metal center electron density. |
| Keywords: | Hydridopalladium Alkoxycarbonylation 119Sn and Multinuclear NMR Palladium chemistry |
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