Academic literature on the topic 'Butadiène – Dérivés – Synthèse (chimie)'
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Journal articles on the topic "Butadiène – Dérivés – Synthèse (chimie)"
Maujean, Alain. "The chemistry of sulphur in musts and wines." OENO One 35, no. 4 (December 31, 2001): 171. http://dx.doi.org/10.20870/oeno-one.2001.35.4.1698.
Full textAgbodan, Kokou Agbékonyi, Oudjaniyobi Simalou, Gneiny Whad Tchani, and Koffi Jondo. "Etude de l’influence de la basicité sur l’enthalpie de réaction des sels N-méthoxycarbonyl-(oxy)-pyridiniums." International Journal of Biological and Chemical Sciences 14, no. 4 (August 17, 2020): 1489–98. http://dx.doi.org/10.4314/ijbcs.v14i4.26.
Full textDissertations / Theses on the topic "Butadiène – Dérivés – Synthèse (chimie)"
Zhang, Hui-Jun. "Novel syntheses from building blocks based on 1,3-butadienyl skeleton and new polysubstitued ruthenium based catalysts for regioselective allylation." Rennes 1, 2010. http://www.theses.fr/2010REN1S011.
Full textUn objectif de cette thèse était la préparation de nouveaux fragments organique à partir du squelette butadiényle et leurs applications en synthèse organique. Des 1,1,4,4-tétrahalo-1,3-butadiènes ont été préparés de façon stéréosélective. La réaction de ces butadiènes avec le butyllithium et leur couplage de Suzuki avec des acides arylboroniques constituent des transformations nouvelles et originales. De nouveaux gem-diboryldiènes, également d���excellents agents de couplage de Suzuki, ont été obtenus à partir des gem-dihalodiènes correspondants. Le traitement avec LiAlH₄ de 1,4-dicyano-1,4-bis(triméthylsilyl)-1,3-diènes a conduit à une nouvelle réaction de cyclisation induite par des hydrures pour former des cyclopentadiènes multi-fonctionnalisés avec de très bons rendements. Dans un deuxième objectif, une série de complexes inédits du ruthénium porteurs de nouveaux ligands Cp et N-O chelatants ont été conçus et préparés avec l’objectif d’obtenir de bonnes propriétés catalytiques en allylation de nucléophiles. Ces complexes ont été utilisés comme catalyseurs d’allylation et ont conduit pour la première fois à d’excellentes régiosélectivités en faveur des produits branchés à partir de substrats allyliques purement aliphatiques et à la préparation de dérivés vinylsilanes fonctionnels
Guillam, Anne. "Synthèse et cycloadditions [4+2] des 1,4-dialkoxybutadiènes." Rouen, 1997. http://www.theses.fr/1997ROUES078.
Full textDrelon, Mathieu. "Synthèse d’éthers insaturés dérivés de polyols par transformation du butadiène." Thesis, Lille 1, 2019. http://www.theses.fr/2019LIL1R084.
Full textGreen chemistry is today a priority axis of research and industry. The use of biobased compounds, safe solvents and economic processes is at the heart of this sustainable chemistry. In particular, many polyhydroxy compounds can be obtained by treatment of the biomass and use in this chemistry. The telomerization of butadiene catalysed by palladium on alcohol or polyol results in the formation of ethers with octadienyl chain. The reaction allows 100% atom economy which is in agreement with the previous concepts of sustainable chemistry. Our study relates the selective synthesis of mono-, di-, tri- or tetratelomers obtained by telomerization of butadiene on biosourced polyols. Optimization of the reaction was first carried out on the glycerol and then transposed on other biosourced polyols such as erythritol, pentaerythritol, methylglucose or sorbitol in order to obtain telomeres which ultimately have two functions. The kinetic studies of the telomerization reaction were also conducted under constant flow of butadiene to include this system in a continuous process. The installation of this system, from the production of biobutadiene from ethanol to its use in the telomerization reaction was carried out. Finally, the synthesized diols have been used in polycondensation reactions with diacids in order to produce alkyd resins present in the paint composition
Pages, Patrice. "Synthèse de pyrrolidines alpha-phosphorylées et des nitroxydes dérivés." Aix-Marseille 1, 1990. http://www.theses.fr/1990AIX11311.
Full textThomas, Anne. "Synthèse de dérivés pipéridiniques sur support solide." Clermont-Ferrand 2, 2004. http://www.theses.fr/2004CLF21499.
Full textVoisin-Chiret, Anne-Sophie. "Synthèse de nouveaux dérivés pyridiniques à visée cholinergique nicotinique." Caen, 2005. http://www.theses.fr/2005CAEN4066.
Full textThe present study describes, on the one hand, the synthesis, the physicochemical study and the biological evaluation of novel pyridylethers as potential nicotinic cholinergic receptor ligands. On the other hand, the Petasis reaction, a multicomponent reaction, is used in the pyridine series to synthesize novel complexes. In the first part, after a general review about nicotinic cholinergic receptors, their localization, their structure and their function as well as a description of different technologies used in parallel chemistry, the chemical study is developed. Various synthetic approaches to prepare pyridylethers were used, along with studies on stability and reactivity. A small but diverse chemical library was accomplished. The first biological results are reported. Further tests are currently under investigation. In the second part, after a general review about multicomponent reactions, the Petasis reaction was studied with an emphasis parallelization. The implementation of this reaction allowed us to obtain original compounds whose structure was investigated and determined as complex (1:1) of dioxaborolanone and an amine. The experimental part of this document describes the procedures and the physicochemical characteristics of the compounds presented. Finally, more than 270 bibliographical references replace this study in its chemical and biological context
Breton, Anne-Catherine. "Synthèse et caractérisation de copolymères dérivés de quinoxaline et de carbazole." Thesis, Université Laval, 2012. http://www.theses.ulaval.ca/2012/28992/28992.pdf.
Full textTrépanier, Isabelle. "Synthèse de cyclobutanes et de leurs dérivés fluorés." Thesis, Université Laval, 2010. http://www.theses.ulaval.ca/2010/27663/27663.pdf.
Full textBen, jamaa Abdelkhalek. "Hémiaminals trifluorométhylés dérivés de l'acide (L)-tartrique : synthèse et réactivité." Thesis, Reims, 2017. http://www.theses.fr/2017REIMS002.
Full text(L)-tartaric acid, a by-product of the wine industry, is a small chiral and polyfunctional molecule, affordable at low cost. Its chirality combined with the physical and chemical properties of fluorine enabled to afford original polyfunctional and optically pure nitrogen-containing heterocycles, incorporating a quaternary trifluoromethylated carbon.Our starting materials, the variously substituted trifluoromethylated cyclic hemiaminals derived from the (L)-tartaric acid, have been synthesized using two different methods : one is based on the cyclization of a trifluoromethylated keto amide in the presence of an amine, and the other one consists in a nucleophilic trifluoromethylation of a cyclic imide.These hemiaminal derivatives constitute N-acyliminium precursors in various diastereoselective α-amidoalkylations. However, the addition of C-nucleophiles has shown varying efficacy. The highly diastereoselective addition of nitriles on these hemiaminals, according to a Ritter-type reaction, led to the synthesis of original and optically pure oxazolines and (amido)pyrrolidin-2-ones including a chiral trifluoromethylated carbon.Key-words : Tartaric acid, Nucleophilic trifluoromethylation, Asymmetric synthesis, Hemiaminal, N-acyliminium, Carbinamide, Ritter reaction
Uerpmann, Carsten. "Diazabutadiène et imino-pyrinides porteurs de radicaux nitroxyles : nouvelles briques pour la construction de matériaux moléculaires magnétiques. Radicaux N-ferrocènyl-N-tert-butyl aminoxyles synthèse et étude préliminaire." Montpellier 2, 2001. http://www.theses.fr/2001MON20074.
Full textConference papers on the topic "Butadiène – Dérivés – Synthèse (chimie)"
AUDEBERT, Pierre. "Nouvelles tétrazines aux propriétés spectroscopiques uniques ; Leur application à la révélation des empreintes digitales." In Les journées de l'interdisciplinarité 2022. Limoges: Université de Limoges, 2022. http://dx.doi.org/10.25965/lji.654.
Full textAUDEBERT, Pierre. "Tetrazines et heptazines, les atouts des hétérocycles aromatiques à fort contenu d'azote." In Les journées de l'interdisciplinarité 2023. Limoges: Université de Limoges, 2024. http://dx.doi.org/10.25965/lji.808.
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