Academic literature on the topic 'Complexes de ruthénium optiquement purs'
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Dissertations / Theses on the topic "Complexes de ruthénium optiquement purs"
Caspar, Régis. "Etude des interactions de complexes de ruthénium optiquement purs avec l'ADN : reconnaissance chirale à l'échelle moléculaire et supramoléculaire." Paris 6, 2004. http://www.theses.fr/2004PA066038.
Full textTalcik, Jakub. "Conception de catalyseurs chiraux de ruthénium à base de carbènes alkyles amino cycliques (CAACs) pour la métathèse asymétrique des oléfines." Electronic Thesis or Diss., Université de Rennes (2023-....), 2024. http://www.theses.fr/2024URENC001.
Full textOlefin metathesis is an important reaction of green chemistry for the formation of new carbon-carbon double bonds. Allowing a better atom economy and shortening synthetic pathways, this technology offers many advantages for the production of highly valuable molecules. Thus, numerous ruthenium-based complexes have been developed since the 1990s aiming to extend the field of application of metathesis. While major advances were reached in terms of activity and stability of these precatalysts, controlling the selectivity of the reaction during the formation of stereogenic centers is still a major challenge.Hence, in this PhD thesis, two new families of chiral Cyclic alkylaminocarbenes (CAAC)-based ruthenium complexes were developed. Complexes containing CAACs that combined both centered and axial chirality enabled to achieve excellent enantioselectivities up to 99% ee in Asymmetric ring-opening cross metathesis (AROCM). Blechert type CAAC-Ru complexes reached remarkable activity at loadings below 0.05 mol% with very high enantioselectivities (95% ee). Finally, a novel class of CAAC family ligands carrying a barrelene scaffold (CABCs) was studied and the associated Ru complexes were evaluated across various metathesis reactions
Maj, Anna. "Synthèse d'oxydes de phosphines optiquement purs et application en réduction énantiosélective de cétones simples par transfert d'hydrogène." Lille 1, 2002. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/2002/50376-2002-13.pdf.
Full textEtoc, Ariane. "Synthèse de complexes de métaux de transition optiquement purs et étude photophysique en présence d'ADN." Doctoral thesis, Universite Libre de Bruxelles, 2003. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/211307.
Full textLe, Gendre Pierre. "Hydrogénation énantiosélective par des complexes chiraux du ruthénium : nouvelles voies d'accès à des carbonates, diols, oxazolidinones et ligands optiquement actifs." Rennes 1, 1997. http://www.theses.fr/1997REN1A210.
Full textChemla, Philippe. "Reactions diastereospecifiques de dienones fer-tricarbonyle : applications a la synthese d'alcools fonctionnalises optiquement purs." Université Louis Pasteur (Strasbourg) (1971-2008), 1988. http://www.theses.fr/1988STR13049.
Full textYang, Hong. "Synthèse de ligands polydentés optiquement actifs associant le phosphore à l'azote et à l'oxygène. Application à la catalyse homogène énantiosélective." Toulouse 3, 1996. http://www.theses.fr/1996TOU30029.
Full textBLANC, DELPHINE. "Hydrogenation asymetrique catalysee par des complexes chiraux du ruthenium : synthese de ligands chiraux a partir de diols 1,3 optiquement purs. synthese asymetrique de gamma-butyrolactones-alpha, beta, gamma-trisubstituees : (-)-methylenelactocine, acide (-)-phaseolinique et (-)-isoavenaciolide." Paris 6, 1999. http://www.theses.fr/1999PA066062.
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