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<dc:title xml:lang="fr">Synthèse de nouveaux candidats médicamenteux présentant une chiralité axiale C-N par le développement de nouveaux couplages C-N atroposélectifs</dc:title>
<dcterms:alternative xml:lang="en">Synthesis of new C–N axially chiral drug candidates via the development of new atroposelective C–N couplings</dcterms:alternative>
<dc:subject xml:lang="fr">Synthèse asymétrique</dc:subject>
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<dc:subject xml:lang="fr">Catalyse au cuivre</dc:subject>
<dc:subject xml:lang="fr">Iode hypervalent</dc:subject>
<dc:subject xml:lang="fr">Sels de diaryliodonium</dc:subject>
<dc:subject xml:lang="fr">Photocatalyse</dc:subject>
<dc:subject xml:lang="fr">Catalyse duale</dc:subject>
<dc:subject xml:lang="en">Asymmetric synthesis</dc:subject>
<dc:subject xml:lang="en">C–N atropisomers</dc:subject>
<dc:subject xml:lang="en">Cu-catalysis</dc:subject>
<dc:subject xml:lang="en">Hypervalent iodine</dc:subject>
<dc:subject xml:lang="en">Diaryliodonium salt</dc:subject>
<dc:subject xml:lang="en">Photocatalysis</dc:subject>
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<tef:elementdEntree autoriteExterne="032575033" autoriteSource="Sudoc">Synthèse asymétrique</tef:elementdEntree>
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<dcterms:abstract xml:lang="fr">Les composés à chiralité axiale C–N ont démontré un potentiel significatif dans divers domaines, en particulier dans l'industrie pharmaceutique. Cependant, il existe actuellement peu de méthodologies connues permettant d’accéder à ces composés, et elles sont généralement limitées à des structures moléculaires très spécifiques. Afin de préparer de nouveaux atropisomères C–N d'intérêt, des méthodologies synthétiques innovantes doivent être développées. À cette fin, nous avons concentré nos efforts sur l'utilisation de sels de diaryliodonium comme partenaires de couplage hautement réactifs, ce qui nous a permis de concevoir un nouveau couplage C–N atropo-énantiosélectif catalysé au cuivre pour obtenir des benzoxazolones N-arylées énantio-enrichies. Les applications potentielles bioactives de ces molécules ont été étudiées et des études mécanistiques ont été menées pour concevoir un cycle catalytique pour ce couplage. De telles investigations approfondies ont été possibles grâce à une collaboration interdisciplinaire fructueuse. Le développement de nouvelles méthodologies a été étendu au premier couplage C–N atropo-énantiosélectif photoinduit.</dcterms:abstract>
<dcterms:abstract xml:lang="en">C–N axially chiral compounds have demonstrated significant potential across various fields, especially in the pharmaceutical industry. However, there are currently only few known methodologies to access these compounds, which are generally restricted to very specific molecular scaffolds. In order to prepare new C–N atropisomers of interest, innovative synthetic methodologies must be develop. To this purpose, we focused our efforts of the use of diaryliodonium salts as highly reactive coupling partners which allowed us to design a new copper-catalyzed atropo-enantioselective C–N coupling to afford enantio-enriched N-aryl benzoxazolones. The potential bioactive applications of such molecules has been studied and mechanistic studies were carried out to design a catalytic cycle for coupling. Such in-depth investigations were possible thanks to a fruitful interdisciplinary collaboration. The development of new methodologies was further extended through the first photoinduced atropo-enantioselective C–N coupling.</dcterms:abstract>
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