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<dc:title xml:lang="en">Development of new industry-oriented methods for the introduction and use of fluorinated groups</dc:title>
<dcterms:alternative xml:lang="fr">Développement de nouvelles méthodes à visée industrielle pour l’introduction et l'utilisation de groupements fluorés</dcterms:alternative>
<dc:subject xml:lang="fr">Chimie du fluor</dc:subject>
<dc:subject xml:lang="fr">Hétérocycles</dc:subject>
<dc:subject xml:lang="fr">Agrochimie</dc:subject>
<dc:subject xml:lang="fr">Réaction de Minisci</dc:subject>
<dc:subject xml:lang="fr">Difluorométhylène</dc:subject>
<dc:subject xml:lang="fr">Furanes</dc:subject>
<dc:subject xml:lang="fr">Fluorure de sulfuryle</dc:subject>
<dc:subject xml:lang="fr">Fluoroalkylation</dc:subject>
<dc:subject xml:lang="fr">Halogénation</dc:subject>
<dc:subject xml:lang="fr">Ruthénium</dc:subject>
<dc:subject xml:lang="en">Fluorine chemistry</dc:subject>
<dc:subject xml:lang="en">Heterocyles</dc:subject>
<dc:subject xml:lang="en">Agrochemistry</dc:subject>
<dc:subject xml:lang="en">Minisci reaction</dc:subject>
<dc:subject xml:lang="en">Difluoromethylene</dc:subject>
<dc:subject xml:lang="en">Furans</dc:subject>
<dc:subject xml:lang="en">Sulfuryl fluoride</dc:subject>
<dc:subject xml:lang="en">Fluoroalkylation</dc:subject>
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<tef:elementdEntree autoriteExterne="027816249" autoriteSource="Sudoc">Chimie agricole</tef:elementdEntree>
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<dcterms:abstract xml:lang="fr">Le fluor est un élément très répandu en chimie médicinale et en agrochimie : 18% des composés pharmaceutiques et 16% des pesticides en contiennent, et ces proportions augmentent chaque année, atteignant une majorité pour les ingrédients agrochimiques durant la dernière décennie. L’addition d’un ou plusieurs atomes de fluor à une molécule permet de moduler ses propriétés physico-chimiques et biologique, telles que son pKa, sa lipophilie ou sa résistance au métabolisme.L’objectif de cette thèse, en collaboration avec Bayer CropScience était dans un premier temps de développer de nouveaux accès à des hétérocycles fluorés innovants. Tout d’abord, nous avons étudié la synthèse d’hétérocycle portant un groupement difluorométhylène par réaction de Minisci, puis la cyclisation d’amino-furanes fluorés. Dans un second temps, le développement de nouvelles méthodes permettant d’obtenir des motifs d’intérêt a été étudié, par l’utilisation du fluorure de sulfuryle.</dcterms:abstract>
<dcterms:abstract xml:lang="en">Fluorine is a widespread element in medicinal chemistry and agrochemistry: it is found in 18% of pharmaceuticals and 16% of pesticides, and these proportions are increasing every year, to reach a majority in the case of agrochemical ingredients during the last decade. The addition of one or several fluorine atoms to a molecule allows to modulate its physicochemical and biological properties, such as its pKa, lipophilicity or its resistance to metabolism.The objective of this thesis, in collaboration with Bayer CropScience, was on the one hand to develop new accesses to innovative fluorinated heterocycles. First, we investigated the synthesis of heterocycles bearing a difluoromethylene moiety via a Minisci reaction, then the cyclisation of fluorinated amino-furans. On the other hand, the development of new methods to obtain valuable motifs was studied, using sulfuryl fluoride.</dcterms:abstract>
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