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<dc:title xml:lang="fr">Fenestranes, cyclooctatriènes et leurs dérivés comme châssis moléculaires innovants pour le développement de plateformes modulables</dc:title>
<dcterms:alternative xml:lang="en">Fenestranes, cyclooctatrienes and their derivates as innovative scaffolds for the development of tunable platforms</dcterms:alternative>
<dc:subject xml:lang="fr">Fenestranes</dc:subject>
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<dc:subject xml:lang="fr">Cascades réactionnelles</dc:subject>
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<dc:subject xml:lang="en">Fenestranes</dc:subject>
<dc:subject xml:lang="en">Cyclooctatrienes</dc:subject>
<dc:subject xml:lang="en">Cascade reactions</dc:subject>
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<dcterms:abstract xml:lang="fr">Ces travaux de thèse nous ont permis de mettre en évidence un accès à un large nombre de composés polycycliques. Les étendues des méthodes employant des cascades réactionnelles palladocatalysées et leurs limites ont été étudiées. L’initialisation de ces cascades se fait par une cyclocarbopalladation de type de 4-exo-dig, suivie par un couplage de Sonogashira. Avec des substrats et des conditions adéquats, la cascade réactionnelle continue avec une alcynilation, une électrocyclisation à huit électrons p et une électrocyclisation à six électrons p. En un nombre limité d’étapes sont ainsi obtenus des châssis moléculaires complexes : les fenestradiènes et les cyclooctatriènes. Des dérivés portant des substituants variés dans différentes positions ont été synthétisés, notamment possédant des hétéroatomes. Leurs accès a été assuré par des synthèses linéaires ou encore par une approche plateforme. Ceci a été complété par une étude in silico en vue du potentiel thérapeutique de ces châssis moléculaires.</dcterms:abstract>
<dcterms:abstract xml:lang="en">This PhD thesis was focused on the study of cascade reactions and allowed the access to a large variety of polycyclic compounds. The extension of several methods employing palladocatalyzed cascade reactions and their limits have been studied. Those cascades are initiated by a 4-exo-dig cyclocarbopalladation, followed by a Sonogashira coupling. With an adequate substrate and the appropriate conditions, the cascade reaction can even be extended by an alcynilation, followed by an eight p electron electrocyclization and a six p electron electrocyclization. Complex scaffolds are thus obtained in only a few steps: fenestradienes and cyclooctatrienes. Derivatives with various substituents in different positions have been synthesized, particularly with heteroatoms. Their access has been ensured by either linear synthesis or a platform approach. This project was completed by an in silico study of the scaffolds regarding their drug-like potential.</dcterms:abstract>
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