Cobalt(II) and (I) Complexes of Diphosphine-Ketone Ligands : Catalytic Activity in Hydrosilylation Reactions

The hydrosilylation of unsaturated compounds homogeneously catalyzed by cobalt complexes has gained considerable attention in the last years, aiming at substituting precious metal-based catalysts. In this study, the catalytic activity of well-characterized CoII and CoI complexes of the pToldpbp liga...

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Veröffentlicht in:European journal of inorganic chemistry. - 1998. - 2019(2019), 5 vom: 07. Feb., Seite 660-667
1. Verfasser: Verhoeven, Dide G A (VerfasserIn)
Weitere Verfasser: Kwakernaak, Joost, van Wiggen, Maxime A C, Lutz, Martin, Moret, Marc-Etienne
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:European journal of inorganic chemistry
Schlagworte:Journal Article Cobalt Cooperative catalysis Homogeneous catalysis Hydrosilylation Silane chemistry
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520 |a The hydrosilylation of unsaturated compounds homogeneously catalyzed by cobalt complexes has gained considerable attention in the last years, aiming at substituting precious metal-based catalysts. In this study, the catalytic activity of well-characterized CoII and CoI complexes of the pToldpbp ligand is demonstrated in the hydrosilylation of 1-octene with phenylsilane. The CoI complex is the better precatalyst for the mentioned reaction under mild conditions, at 1 mol-% catalyst, 1 h, room temperature, and without solvent, yielding 84 % of octylphenylsilane. Investigation of the substrate scope shows lower performance of the catalyst in styrene hydrosilylation, but excellent results with allylbenzene (84 %) and acetophenone (> 99 %). This catalytic study contributes to the field of cobalt-catalyzed hydrosilylation reactions and shows the first example of catalysis employing the dpbp ligand in combination with a base metal 
650 4 |a Journal Article 
650 4 |a Cobalt 
650 4 |a Cooperative catalysis 
650 4 |a Homogeneous catalysis 
650 4 |a Hydrosilylation 
650 4 |a Silane chemistry 
700 1 |a Kwakernaak, Joost  |e verfasserin  |4 aut 
700 1 |a van Wiggen, Maxime A C  |e verfasserin  |4 aut 
700 1 |a Lutz, Martin  |e verfasserin  |4 aut 
700 1 |a Moret, Marc-Etienne  |e verfasserin  |4 aut 
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