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     <dc:title xml:lang="fr">Réactivité des chlorures de benzènesulfonyle pour l'accès à des hétéroarènes et alcènes arylés via des réactions pallado-catalysées</dc:title>
     <dcterms:alternative xml:lang="en">Reactivity of benzenesulfonyl chlorides for access to heteroarenes and arylated alkenes via palladium-catalyzed reactions</dcterms:alternative>
     <dc:subject xml:lang="fr">Arylations</dc:subject><dc:subject xml:lang="fr">Activation de la liaison C-H</dc:subject><dc:subject xml:lang="fr">réaction du Heck</dc:subject><dc:subject xml:lang="fr">Palladium</dc:subject><dc:subject xml:lang="fr">Catalyse</dc:subject><dc:subject xml:lang="fr">Chlorures benzènesulfonyle</dc:subject><dc:subject xml:lang="fr">Alcènes</dc:subject><dc:subject xml:lang="fr">Arylation direct</dc:subject><dc:subject xml:lang="fr">selenophènes</dc:subject>
     <dc:subject xml:lang="en">Arylations</dc:subject><dc:subject xml:lang="en">C-H bond activation</dc:subject><dc:subject xml:lang="en">Heck reaction</dc:subject><dc:subject xml:lang="en">Palladium</dc:subject><dc:subject xml:lang="en">Catalysis</dc:subject><dc:subject xml:lang="en">Benzenesulfonyl chlorides</dc:subject><dc:subject xml:lang="en">alkenes</dc:subject><dc:subject xml:lang="en">direct arylation</dc:subject><dc:subject xml:lang="en">selenophenes</dc:subject><tef:sujetRameau><tef:vedetteRameauNomCommun>
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						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="050310798">Liaisons carbone-hydrogène</tef:elementdEntree><tef:subdivision autoriteSource="Sudoc" type="subdivisionDeForme" autoriteExterne="027253139">Thèses et écrits académiques</tef:subdivision>
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						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="061610224">Heck, Réaction de</tef:elementdEntree><tef:subdivision autoriteSource="Sudoc" type="subdivisionDeForme" autoriteExterne="027253139">Thèses et écrits académiques</tef:subdivision>
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						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="029921651">Palladium</tef:elementdEntree><tef:subdivision autoriteSource="Sudoc" type="subdivisionDeForme" autoriteExterne="027253139">Thèses et écrits académiques</tef:subdivision>
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     <dcterms:abstract xml:lang="fr">Au cours de cette thèse, nous nous sommes intéressés à la synthèse d’hétérocycles arylés via l’activation de liaisons sp2 C-H d’hétéroaromatiques et à la synthèse d’alcènes arylés halo-substitués catalysée par le palladium. Les produits obtenus sont considérés comme des briques moléculaires, intéressantes pour les biochimistes, ainsi que pour la préparation de matériaux. Le système catalytique Pd(MeCN)2Cl2/Li2CO3/dioxane permet l’accès direct à une grande variété de molécules arylées à partir d’hétéroarènes ou d’alcènes et de chlorures de benzènesulfonyle. Nous avons mis au point une méthode permettant l’arylation directe en position β de sélénophènes à partir de sélénophènes et de chlorures de benzènesulfonyle. Nous avons également montré que l’utilisation de chlorures de benzènesulfonyle (poly)halogénés permet de synthétiser par des réactions pallado-catalysées des hétéroarènes arylés, des stilbènes ou des cinnamates (poly)halo-substitués.</dcterms:abstract>
     <dcterms:abstract xml:lang="en">In this thesis we have been interested in the synthesis of arylated heterocycles via the activation of sp2 C-H bonds of heteroaromatics and to the synthesis of halo-substituted arylated alkenes using palladium-catalysis. The products obtained are considered to be molecular bricks which are of interest to biochemists as well as to the preparation of materials. The catalyst system Pd(MeCN)2Cl2/Li2CO3/dioxane allows the direct access to a wide variety of arylated molecules from heteroarenes or alkenes and benzenesulfonyl chlorides. We have developed a method for the direct β-arylation of selenophenes from selenophenes and benzenesulfonyl chlorides. We have also shown that the use of (poly)halogenated benzenesulfonyl chlorides makes it possible to synthesize, by Pd-catalyzed reactions, (poly)halo-substituted arylated heteroarenes, stilbenes or cinnamates.</dcterms:abstract>
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