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     <dc:title xml:lang="fr">catalyseurs à base de ligands carbène N-hétérocycliques dérivés de fer et de nickel pour les réactions catalytiques d'hydrosilylation et d'hydroboration</dc:title>
     <dcterms:alternative xml:lang="en">Iron and Nickel N-heterocyclic carbenes complexes for catalyzed hydrosilylation and borylation reactions</dcterms:alternative>
     <dc:subject xml:lang="fr">Nickel</dc:subject><dc:subject xml:lang="fr">fer</dc:subject><dc:subject xml:lang="fr">ligands carbènes N-hétérocycliques</dc:subject><dc:subject xml:lang="fr">hydrosilylation</dc:subject><dc:subject xml:lang="fr">borylation</dc:subject><dc:subject xml:lang="fr">aldéhydes</dc:subject><dc:subject xml:lang="fr">cétones</dc:subject><dc:subject xml:lang="fr">imines</dc:subject>
     <dc:subject xml:lang="en">Nickel</dc:subject><dc:subject xml:lang="en">iron</dc:subject><dc:subject xml:lang="en">N-heterocyclic carbene ligands</dc:subject><dc:subject xml:lang="en">hydrosilylation</dc:subject><dc:subject xml:lang="en">borylation</dc:subject><dc:subject xml:lang="en">aldehydes</dc:subject><dc:subject xml:lang="en">ketones</dc:subject><dc:subject xml:lang="en">imines</dc:subject>
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						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="167466356">Carbènes N-hétérocycliques</tef:elementdEntree>
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     <dcterms:abstract xml:lang="fr">Ces travaux de thèse portent sur le développement de catalyseurs à base de ligands carbène N-hétérocycliques dérivés de fer et de nickel, deux métaux de transition abondants, pour les réactions de hydrosilylation et de borylation. Le premier chapitre porte sur les travaux réalisés à l’aide de complexes de fer du type [Cp(NHC)Fe(CO)₂][X] (X = I, PF₆) possédant des ligands de type benzimidazole ou imidazole et leur évaluation en hydrosilylation de dérivés carbonylés. Le deuxième chapitre traite de l’utilisation de complexes demi-sandwichs de nickel du type CpNi(NHC) en hydrosilylation d’aldéhydes, de cétones, d’aldimines et de cétimines. Enfin le troisième chapitre est consacré à la réaction de borylation catalysée par des complexes de nickel demi-sandwich CpNi(triazole)X et des complexes de nickel possédant deux ligands chélatants anioniques de type carbene N-hétérocyclique fonctionnalisé par un bras amido.</dcterms:abstract>
     <dcterms:abstract xml:lang="en">The research work described in this manuscript has for main objective the development of new homogeneous catalytic systems based on N-heterocyclic carbene (NHC) iron and nickel complexes for hydrosilyation and borylation reactions. The first chapter describes the use of [Cp(NHC)Fe(CO)₂][X] (X = I, PF₆) complexes bearing benzimidazole or imidazole NHC type ligands for hydrosilylation of benzaldehyde and acetophenone. In a second chapter, we have shown that half-sandwich NHC-nickel complexes in the presence of a catalytic amount of NaHBEt3 can be efficient catalysts for the reduction of aldehydes, ketones, aldimines and ketimines in the presence of diphenylsilane. In the last chapter, two new series of non-classical NHC-nickel triazole complexes had been developed: (i) one series with half sandwich NHC-nickel triazole complexes and (ii) another one based on chelating anionic amido-functionalized N-heterocyclic carbene nickel complexes. The two series of complexes were then evaluated in catalytic borylation cross coupling reaction.</dcterms:abstract>
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       <tef:nom>Bheeter</tef:nom>
       <tef:prenom>Linus Paulin</tef:prenom>
       
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