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     <dc:title xml:lang="en">Development of new methodologies in organic synthesis for the preparation of bioactive molecules</dc:title>
     <dcterms:alternative xml:lang="fr">Développement de nouvelles méthodologies en synthèse organique pour la préparation de molécules bioactives</dcterms:alternative>
     <dc:subject xml:lang="fr">Dérivés du nucleofuge propargylique</dc:subject><dc:subject xml:lang="fr">réaction de Kinugasa</dc:subject><dc:subject xml:lang="fr"> α-methylene et α-alkylidene-β-lactams</dc:subject><dc:subject xml:lang="fr">derives de l'acylsilanes</dc:subject><dc:subject xml:lang="fr">réaction de l'aldolisation intramoluculaire asymetrique</dc:subject><dc:subject xml:lang="fr">anticancer</dc:subject><dc:subject xml:lang="fr"> MIM-1</dc:subject><dc:subject xml:lang="fr"> MCL-1</dc:subject><dc:subject xml:lang="fr"> Apoptose</dc:subject>
     <dc:subject xml:lang="en">Nucleofuge propargylic derivatives</dc:subject><dc:subject xml:lang="en">Kinugasa reaction</dc:subject><dc:subject xml:lang="en"> α-methylene and α-alkylidene-β-lactams</dc:subject><dc:subject xml:lang="en"> acylsilane derivatives</dc:subject><dc:subject xml:lang="en">asymmetric intramolecular aldolization reaction</dc:subject><dc:subject xml:lang="en">anti-tumor</dc:subject><dc:subject xml:lang="en">MIM-1</dc:subject><dc:subject xml:lang="en"> MCL-1</dc:subject><dc:subject xml:lang="en"> Apoptosis</dc:subject>
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						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="027222993">Composés organiques -- Synthèse</tef:elementdEntree>
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     <dcterms:abstract xml:lang="fr">La thèse est divisée en trois chapitres indépendants. Chimie du β-lactames : Synthèse d'α-éthylène et d'α-alkylidène-β-lactames en utilisant la réaction de Kinugasa. Chimie de l'acylsilane : application d'une réaction aldolique intramoléculaire asymétrique sur un dérivé d'acylsilane nouvellement synthétisé. - Chimie médicinale: synthèse de nouvelles molécules à but anticancéreux.Dans le premier chapitre la réaction de Kinugasa a été appliquée pour la première fois à des alcynes vrais, portant en position propargylique un groupe partant permettait d'accéder directement et en une étape aux méthylène- et alkylidene β-lactames recherchés. Dans le second chapitre, la synthèse de molécules originales possédant à la fois une fonction acylsilane et un aldéhyde en position éloignée, et l'aldolisation intramoléculaire asymétrique a été explorée. Dans le dernier chapitre, notre objectif était de restaurer les propriétés apoptotiques au sein des cellules cancéreuses afin d'obtenir de nouveaux composés à activité antitumorale. A partir de données obtenues par modélisation moléculaire, nous avons fait le design de plusieurs séries d'analogues d'un inhibiteur connu(MIM-1) de la protéine anti-apoptotique Mcl-1. Huit composés ont été synthétisés et testés pour trois types de cellules cancéreuses (sein, ovaire et le mélanome).
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     <dcterms:abstract xml:lang="en">The thesis is divided into three chapters:- β-lactams chemistry: synthesis of α-methylene and α-alkylidene-β-lactams using the Kinugasa reaction.- Acylsilane chemistry : applying asymmetric intramolecular aldol reaction on a newly synthesized acylsilane derivatives. - Medicinal chemistry: synthesis of new molecules with anticancer aimes. In the first chapter, Kinugasa reaction was applied for the first time with an alkyne bearing a nucleofuge in propargylic position that allowed us to discover a way of synthesis of exoalkylidene β-lactams. In the second chapter, a new acylislane derivatives bearing an aldehyde functional group in a remote position of the molecule were prepared, and asymmetric intramolecular aldolization reaction was performed. In the last chapter, our goal was to reinduce the pro-apoptotic properties in cancer cells in order to obtain new antitumor compounds. Starting from data obtained through molecular modeling studies, we designed and prepared several series of analogs for a known inhibitor (MIM-1) of the anti-apoptotic protein Mcl-1. Eight compounds have been synthetized and screened towards three types of cancer cells (breast, ovarian and melanoma). </dcterms:abstract>
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       <tef:nom>Hussein</tef:nom>
       <tef:prenom>Marwa</tef:prenom>
       
       <tef:dateNaissance>1989-04-30</tef:dateNaissance>
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