Dissertations / Theses on the topic 'Composés carbonylés'
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Roy, Olivier. "Synthèse énantiosélective et palladoinduite de composés carbonylés." Reims, 2001. http://www.theses.fr/2001REIMS027.
Full textCadran, Nicolas. "Fluoration nucléophile d'alcools et de composés carbonylés." Université Louis Pasteur (Strasbourg) (1971-2008), 2006. https://publication-theses.unistra.fr/public/theses_doctorat/2006/CADRAN_Nicolas_2006.pdf.
Full textThe main purpose of this work was to design new methodologies aimed at converting both hydroxy and keto compounds into mono and difluoro compounds, respectively, by making use exclusively of fluoride anions (nucleophilic fluorination). Attempted use of the tosyl fluoride. DBU reagent proved unrewarding; only trace amount of alkyl fluorides were formed from alcohols. Interestingly, reacting non-enolizable aldehydesin these conditions resulted in an unprecedented oxidation process and in operating in a light alcohol, various benzaldehydes have been efficiently converted into the corresponding benzoates. More rewarding with regards to the initial goal was the use of N-methyl-2-fluoropyridinium tosylate (i. E. Mukaiyama reagent). By using an ammonium hydrogenodifluoride as a co-reagent these salts permitted not only to fluorinate various alcohols but also p-substituted benzaldehydes and α-diketones, the target fluoro or difluoro compounds being in each case isolated in acceptable yields. An interesting application was the conversion of homochiral α-hydroxyesters into the corresponding α-fluoroesters with good e. E. ; providing the conversion was kept low. Next, the fluorination of alcohols and aldehydes with difluoroalkylamines has been studied. In each case, through examination of the conditions permitted to improve the yields in fluoro compounds i. A. By operating either in presence of an ammonium difluoride (alcohols) or of KHF2 (aldehydes). Finally, the preceding fluorinations have been shown to occur by using cyanuryl fluoride, a catalysis by diarylsulfoxides being then observed
Delair, Philippe. "Réductions et alkylations énantiosélectives de composés carbonylés." Grenoble 1, 1993. http://www.theses.fr/1993GRE10107.
Full textZair, Touriya. "Synthèse stéréosélective et cyclisation catalysée par le palladium (0) des 1,5-hexadiène-3-ols/ Touriya Zair." Aix-Marseille 3, 1991. http://www.theses.fr/1991AIX30048.
Full textPándy-Szekeres, István Dávid. "Nouvelles synthèses par voie organosilicique." Bordeaux 1, 1985. http://www.theses.fr/1985BOR10596.
Full textBerkani, Mohamed. "Réduction de composés carbonylés par transfert d'hydrogène sur catalyseurs solides." Poitiers, 1995. http://www.theses.fr/1995POIT2282.
Full textLuart, Denis. "Etude de l'action du chlorure d'oxalyle sur des tétracarbonyl ferrates fonctionnalisés : accès à de nouveaux complexes bimétalliques et carbéniques." Brest, 1997. http://www.theses.fr/1997BRES2007.
Full textFranc, Céline. "Fonctionnalisations sélectives de composés aromatiques et hétéroaromatiques." Palaiseau, Ecole polytechnique, 2004. http://www.theses.fr/2004EPXX0059.
Full textLEFEBVRE, OLIVIER. "Reactivite des difluoroenoxysilanes. Applications a la synthese de composes mono et gem-difluores." Reims, 1999. http://www.theses.fr/1999REIMS006.
Full textBrestaz, Marc. "Synthèse et caractérisation de polyesters à partir du diméthylcétène et de composés carbonylés." Phd thesis, INSA de Rouen, 2009. http://tel.archives-ouvertes.fr/tel-00560884.
Full textRabemanatsoa, Amélie Marie. "Synthèse électrochimique d'alcools à partir d'halogènures organiques et de composés carbonyles." Paris 6, 1986. http://www.theses.fr/1986PA066302.
Full textSeghrouchni, Latifa. "Réactions d'allylation, de couplage et d'alcynylation de composés carbonylés dans la chimie organométallique de l'indium." Paris 11, 2002. http://www.theses.fr/2002PA112186.
Full textChemistry of indium has been recently developed. This metal is known for allylation in organic and in aqueous media ; one of his application is in sugar chemistry. In laboratory, the catalytic version of this reaction was obtained with manganese associated to trimethylsilyl chloride in tetrahydrofurane. First of all, the allylation reaction of carbonyl compounds with catalytic amounts of indium in organic media affords homoallylic alcohols (15-88%) with different reducers. With manganese and different sources of indium, the yield varies between 13 and 88%. Then, the reaction was studied in aqueous media, without silylated reactant of course. Several systems were studied : indium coupled with different reductive metals ; then different proton donors were tested and at last various quantities of water are used. Without trimethylsilyl chloride, the yields of allylated product were lower than 50% because of the competitive pinacolic coupling reaction. On the second part, the system indium/trimethylsilyl chloride allows benzaldehyde coupling. The product in the reactional medium leads, throw a rearrangement, to deoxybenzoine (9%) and diphenylacetaldehyde (90%). The adduct of aluminum in this system allows the transformation of the diphenylacetaldehyde into a deoxygenated product : the trans-stilbene. Several parameters of this reaction were varied but the maximum amount of trans-stilbene obtained was 27% with 0. 1 equivalent of indium, 1. 5 equivalents of aluminum and 2 equivalents of trimetylsilyl chloride. On the last part, indium was used in the alkynylation of carbonyl compounds. Phenylethynyl iodide reacts with an aldehyde in presence of indium leading to an alcohol (25-99%) when the iodide is in excess, or to a ketone (61-93%) when the aldehyde is in excess. When the reaction is carried out with a ketone the alcohol is obtained with 32-91% yield
Blondelle, Sylvie. "Synthèse peptidique sur polymères carbonylés via les imidazolidinones-4." Montpellier 2, 1988. http://www.theses.fr/1988MON20136.
Full textVanderlinde, Regina. "Etude de certains caractères des eaux-de-vie : rôle des composés carbonylés." Bordeaux 2, 1995. http://www.theses.fr/1995BOR20393.
Full textLarge, Sylvie. "Utilisation du fluoroforme comme agent de trifluorométhylation anionique." Lyon 1, 1998. http://www.theses.fr/1998LYO10136.
Full textDiamantino-Boaventura, Maria-Amélia. "Sur la cyclisation des composés carbonylés acétyléniques et de leurs éthers d'énol silyliques en présence de chlorure mercurique à température ambiante." Paris 11, 1985. http://www.theses.fr/1985PA112026.
Full textThis work is concerned with two topics: 1) the behavior of Ɣ and Ƹ-acetylenic carbonyl compounds (β-diketones, β-ketoesters and monoketones) towards some catalysts. The couple mercury chloride/chlorhydric acid has shown the greatest of efficiency and cyclises, at 35°, the β-dicarbonyl compounds in nearly quantitative yields. When these carbonyl compounds and the mercury chloride are adsorbed on solid supports, the cyclisation occurs generally faster and with better yields than in solution. 2) the intramolecular C-vinylation of acetylenic trialkylsilyl enol ethers of Ɣ, ʆ, Ƹ and [symbol] -acetylenic monoketones and Ƹ-acetylenic aldehydes, induced by mercury chloride, which has lead in high yields, via a cyclicoxovinylmercurial, to a) l-acetyl 2-alkylidenecyclopentanes (or cyclohexanes), β-methylene-spiranones, bicycloalkanones and propellanones, by hydrolysis ; b) fonctionalised compounds by stereospecific electrophilic substitution of the mercury atom. This new reaction is regiospecific (the cyclisation occurs between the enol carbon a tom and the non-terminal acetylenic carbon atom) and stereospecific (the addition on the triple bond is always cis)
Zhang, Yin-Jie. "Nouveaux systèmes réducteurs utilisant des hydrosiloxanes pour réduire des acétals et des dérivés carbonylés." Thesis, Lyon 1, 2013. http://www.theses.fr/2013LYO10047.
Full textBoëlle, Jérôme. "Synthèse de biocides potentiels destinés à l'agrochimie principalement en série nitrée." Nancy 1, 1997. http://www.theses.fr/1997NAN10177.
Full textIn this work, we have developed a new route to beta-nitroenones substitued at the beta-position by an hydrogen atom starting from alpha, beta-unsaturated ketones. The reactivity of these compounds towards nucleophiles was studied. Titanium enolates add to carbonyl finction, their corresponding ethylene acetals reacted with isocyanoacetates and tosylmethyl isocyanide affording respectively 3-alkanoylpyrrole-2-carboxylates, 7-oxo-4,5,6,7-tetrahydro-2H-isoindole-1-carboxylates and 3-alkanoyl-4-nitropyrroles. The second part of of this work was devoted to the synthesis of cyclic beta-nitroenones based on the regioselective ring opening of nitroepoxides. Nucleophiles (bis activated compounds enolates, thiolates, alkoxides) added regioselectively on the nitroalkene function alpha to the carbonyl group. Finally, in the third part, we have investigated the preparation of analogs of Imidacloprid, an insecticide used in agriculture. Different families of compounds were envisaged : Potential insecticides as nitroimines, nitroiminoimidazolidines and nitroalkenes were synthetized
Le, Dréan Isabelle. "Synthèse et réactivité spécifique d'acroléines et d'énones possèdant un groupe trifluorométhyle." Lyon 1, 1993. http://www.theses.fr/1993LYO10199.
Full textRoblou, Emmanuel. "Réactivité des hydrures anioniques de chrome carbonyle vis-à-vis des composés phosphorés et des dérivés carbonylés α,ß-insaturés." Toulouse 3, 2002. http://www.theses.fr/2002TOU30153.
Full textJiang, Zhaohui. "Atmospheric measurements of a series of volatiles organic compounds." Thesis, Orléans, 2014. http://www.theses.fr/2014ORLE2014.
Full textCarbonyls and BTEX (benzene, toluene, ethyl-benzene and xylene) are two important groups of Volatile Organic Compounds (VOCs) present in the atmosphere. They have a significant contribution to the formation of oxidants such as ozone, PAN and other photooxidants in the troposphere. In addition, they have adverse effects on human health. In this work, atmospheric concentrations of carbonyls and aromatic hydrocarbons were measured and quantified using GC-MS and HPLC techniques at a semi-urban site in Orleans (ICARE, France), from June 2010 to August 2011. Urban ambient air sampling was also performed in 6-28th June 2013 in Beijing (RCEES-CAS, China). It has been conducted in order to compare the measured concentrations of the investigated species in two different sites using the same analytical techniques. All results are presented and discussed
Sanchez, Valente Jaime. "Synthèse et caractérisation de solides basiques de type hydrotalcite et leurs applications en catalyse." Lyon 1, 1999. http://www.theses.fr/1999LYO10261.
Full textPouvesle, Nicolas. "Etude des mécanismes d'oxydation par le radical OH de COV oxygénés (acide acétique, acétaldéhyde, glycolaldéhyde et hydroxyacétone) aux basses températures de la haute troposphère." Orléans, 2005. http://www.theses.fr/2005ORLE2060.
Full textBerger, Alexsandro. "Mercuration and transmetalation of (n6-arene) chromiumtricarbonyl complexes : Application to the syntheses of planar chiral metallacycles." Université Louis Pasteur (Strasbourg) (1971-2008), 2004. http://www.theses.fr/2004STR13046.
Full textIn this work we present the development of an easy route of syntheses toward a series of cyclometallated (6-arene)chromiumtricarbonyl [(6-arene)Cr(CO)3] complexes. We have extended this method to the synthesis of analogous enantioenriched compounds displaying pure planar chirality. The method is based in transmetallation reactions under mild conditions from mercurated (6-arene)chromiumtricarbonyl complexes. These compounds have shown a great propensity to exchange the mercury(II) by other metals such as Ru(II) and Pd(II). Thus, a set of cycloruthenated and cyclopalladated (6-arene)chromiumtricarbonyl complexes have readily been obtained
Le, Gallic Yann. "Nouveaux réactifs de polycinylogation de dérivés carbonylés. Application à la synthèse de rétinoïdes." Rouen, 1992. http://www.theses.fr/1992ROUES036.
Full textGarcia, Chantal Arminjon. "Synthèse et réactivité des diylures de diphényldiaminophosphoniums : application à la synthèse d'amines secondaires." Montpellier 2, 1989. http://www.theses.fr/1989MON20150.
Full textPerraud, Veronique. "Mise au point d'un préleveur automatique pour la mesure en continu des composés carbonylés atmosphériques." Phd thesis, Université de Provence - Aix-Marseille I, 2007. http://tel.archives-ouvertes.fr/tel-00346977.
Full textPerraud, Véronique. "Mise au point d’un préleveur automatique pour la mesure en continu des composés carbonylés atmosphériques." Aix-Marseille 1, 2007. http://theses.univ-amu.fr.lama.univ-amu.fr/2007AIX11058.pdf.
Full textBecause of their implication in photochemical processes leadind to the formation of tropospheric ozone and their negative effect on human health, carbonyl compounds are part of the volatile organic compounds which demand a continuous measurement of their atmospheric concentration (fast fluctuation of their atmospheric concentration). The present research meets this requirement and two sampling strategies were studied to have an automatic instrument for the continuous measurement of atmospheric carbonyl compounds. First, sampling by using a tranfer of gaseous phase in a liquid phase associated with a simultaneous chemical derivatization of the trapped compounds was studied because of its high specificity towards carbonyl compounds. However, no couple “sampling device-reagent” allows a quantitative sampling of carbonyl compounds, nor a continuous measurement in the field. Another strategy was therefore studied: cryogenic adsorption onto solid adsorbent followed by thermodesorption and analysis by GC/MS. Collection efficiency using different solid adsorbents was greater than 95% for carbonyl compounds consisting of 1 (formaldehyde, Pvap (-30°C) = 34400Pa) to 7 carbons (benzaldehyde, Pvap (-30°C) = 0,75 Pa). This sampling strategy is a successful first step towards the realization of the automatic sampling device for a continuous measurement of atmospheric carbonyls compounds
Zhao, Jingpeng. "Oxydation catalytique sélective des alcools en composés carbonylés par des catalyseurs à base de Ru." Thesis, Lille 1, 2019. http://www.theses.fr/2019LIL1R062.
Full textSelective aerobic oxidation of alcohols to carbonyl compounds is a fundamental and practicable transformation for many biological and organic reactions providing key intermediates and valuable pharmaceuticals. The intrinsic reactivity and selectivity challenges in green chemistry for oxidation using oxygen as terminal oxidant significantly restrict its application in industry. Traditionally used metallic catalysts provide low selectivity due to over-oxidation of aldehydes further to acids. The recently developed combination of organic hydrogen scavengers (DDQ, TEMPO) and inorganic regeneration agents (Fe3+, NO) have been used as a catalyst for mild selective oxidation of alcohols in the presence of oxygen. However, homogeneous nature of the catalyst and use of toxic and non-environmentally friendly chemicals require further development of this concept for oxidation of alcohols. To solve these problems, we propose application of heterogeneous nano-electrocell concept inspired from electrocatalysis. The catalysts contain nano-anode and nano-cathode sites arranged in core-shell structure at nano-scale level. The alcohol is oxidized over the non-metallic quinones shell sites, with subsequent migration of hydrogen to the metallic Ru nanoparticles as core for oxidation to water. In this thesis, we have found the appropriate “core” and “shell” materials, on the basic of metallic Ru and non-metallic quinones species, respectively, and applied it for oxidative dehydrogenation of alcohols and O2 reduction. Meanwhile we propose oxidation combined with acetalization using Ru@MOF tandem catalyst containing ultra-fine Ru nanoparticles (< 2 nm) in the MOF structure
Bettinelli, Claudio. "Etude de la photolyse à 266 nm ou 355 nm de composés carbonylés d’intérêt atmosphérique." Thesis, Lille 1, 2011. http://www.theses.fr/2011LIL10129/document.
Full textEmissions of organic volatile compounds in the atmosphere (COV) are due to human activities, and mainly from vegetation. Isoprene, which is an unsaturated hydrocarbon, is emitted in large quantities by deciduous trees (forests of North America) and leads by oxidation to carbonyl compounds, like methylvinylketone (MVK) or hydroxyacetone (HAC). These compounds are themselves oxidized or photolysed. Mechanisms of isoprene oxidation, comprising tens of reactions including all secondary species, are still under development (Mainz or Leeds mechanisms). They are improved by inclusion of new or more precise experimental data, like quantum yields of photolysis, which are defined as the efficiency of photons in breaking bonds. We used time-resolved laser infrared spectroscopy coupled to UV laser photolysis (TDLAS) to study the photolysis of acetone and HAC at 266 nm, and of MVK and acrolein at 355 nm. Quantum yields were obtained, but they should be taken with care due to the multi-photons absorption which occurred, demonstrated by the observation of CO in vibrational excited states. A joint analysis of the photolysis at 248 nm of acrolein and 3,3,3-trifluoropropionaldehyde by CRDS was also studied. The quantum yields of different channels of photolysis were obtained
Rosso, Helèna. "Addition conjuguée de réactifs organolithiés : application à la synthèse de produits naturels." Rouen, 2011. http://www.theses.fr/2011ROUES022.
Full textMy Ph. D. Project was mainly focused on the oxa- and carba- Michael additions onto α,β-unsaturated carbonyl compounds. This methodology was investigated for the syntheses of a fragment of a complex natural target compound and natural products. This work has been divided in two parts. In the first part, the partial synthesis of the CD framework of the (-)-azaspiracid I (a dangerous neurotoxic molecule contained in shellfish) was investigated and four strategies were devised in order to synthesize this structure. Instead, the second part explores the reactivity of α,α'-dimethoxy-y-pyrone in order to obtain unsaturated α'-methoxy-y-pyrone plyketides derivatives. For that purpose, we have developed a strategy involving the desymmetrization of α,α'-dimethoxy-y-pyrone by Michael addition. A four-step verticipyrone synthesis is presented. The key steps included the desymmetrization of α,α'-dimethoxy-y-pyrone 1 by conjugated addition with an allylating agent and the cross-metathesis of the allylated pyrone with the proper olefin. Taking advantage of the strategy of the one-pot desymmetrization of pyrone 1 by the addition of an allylating agent, the anion generates during this addition was trapped with an electrophile in order to obtain, in a regio and stereoselective manner, new molecules belonging to the α'-methoxy-y-pyrone family. The bioactivities of these new molecules were also evaluated
Deyine, Abdallah. "Annelation via une addition de type Michael catalysée par les acides de Lewis avec les éthers d'énols silylés azotés : application à la synthèse d'alcaloï͏̈des." Rouen, 1993. http://www.theses.fr/1993ROUES008.
Full textFrançois, Stéphanie. "Etude du comportement atmosphérique des hydroperoxydes et des composés carbonylés : développement instrumental et études de terrain." Aix-Marseille 1, 2004. http://www.theses.fr/2004AIX11015.
Full textOzherelyeva, Anastassiya. "Réactions d'oxydation et de réduction des composés carbonylés et azotés catalysées par des complexes de fer." Caen, 2012. http://www.theses.fr/2012CAEN2065.
Full textHomogeneous catalysis is a key technology in synthesis. Efficiency of a process can be defined in terms of complexity, selectivity, and atom economy. Catalytic reactions can meet all these criteria simultaneously. Thus, merging the fields of catalysis and organic synthesis promises an economically and environmentally new quality of organic synthesis. One cornerstone is the development of new ligands and/or catalysts, which are required to achieve highly efficient and selective metal mediated reactions and original catalytic processes. Moreover to increase the number of catalytic applications in industry, low cost and green processes have to be developed. Iron salts are usually non-toxic and very abundant on earth, and consequently among the most inexpensive, easy to handle, and environmentally friendly metal derivatives. In this new economic and environmental race, the use of iron in catalysis has witnessed tremendous activity in recent years. This work contributed to the development of iron complexes in catalysis and particularly in oxidation and hydrogenation reactions. First, we developed a straightforward and efficient synthesis of “piano-stool” iron complexes under microwaves irradiation and applied them in dehydrogenation reactions. This methodology was applied for the synthesis of lactones. Reductive amination under hydrogen pressure is a valuable process in organic chemistry to access amine derivatives from aldehydes or ketones. In this dissertation, we demonstrated that Knölker type complexes were efficient iron complexes in this reaction. In order to determine the influence of the substituent on the cyclopentadienone ancillary ligand, a series of modified Knölker complexes was synthesized and fully characterized. These complexes were also transformed into acetonitrile iron dicarbonyl complexes as they are also pre-catalyst for the reductive amination. Catalytic activities of these complexes were evaluated in a model reaction and the scope and limitation of this process were defined
Barret, Manuel. "Echanges Air-Neige d'aldéhydes en Arctique." Phd thesis, Université de Grenoble, 2011. http://tel.archives-ouvertes.fr/tel-00609978.
Full textLemaire, Fabrice. "Contribution à la synthèse organique induite par laser : synthèse de composés soufrés : cycloadditions sur les énones." Nice, 1990. http://www.theses.fr/1990NICE4445.
Full textMarchand, Stéphanie. "Formation d'hétérocycles aromatiques des vins à partir de la cystéine et des composés carbonyles." Bordeaux 2, 2002. http://www.theses.fr/2002BOR20941.
Full textThis work describes the role of dicarbonyl compounds (glyoxal, methylglyoxal, diacetyl and pentan-2,3-dione) associated with cysteine in the formation of maillard-type odorous products under conditions close to those of wine, i. E. Low pH, aqueous medium and low temperatures. From a chemical point of view cysteine is the most remarkable amino-acid presents in wine. In a first step, cysteine quantification was done using derivatization-HPLC-fluorimetry and the parameters of cysteine formation in wine were studied. Then, reaction products between cysteine and carbonyls were identified. That is to say, heterocyclic compounds like thiazole, 2,4-dimethylthiazole, 2-acetylthiazole, 2-acetylthiazoline, 2-furanmethanzthiol and tiophene-2-thiol. Descriptors are "pop corn", "roasted", "peanuts" for thiazoles and "roasted coffee" or "burned rubber" for furans and trioohenes. To determine their concentrations quantitative assay methods have been optimized by using GC/MS and GC/FPD. Most of these molecules were identified for the first time in wines from various origins. Under conditions close to those of wine a new intermediate in the formation of 2-acetylthiazole from methylglyoxal and cysteine is described : N-(2-sulfanylethyl)-2-oxopropanamide (SOPA). It was characterized by MS, derivatization-MS, derivatization-MS, and 1H and13C NMR, and was synthetized from 2-sulfanylethanamine and ethylpyruvate. We suggest that SOPA is a new intermediate in Maillard-type systems in mild conditions
Didillon, Blaise. "Chimie organométallique de surface sur métaux : application à l'hydrogénation de substrats polyfonctionnels." Lyon 1, 1991. http://www.theses.fr/1991LYO10178.
Full textMansouri, Abdelcelem. "Réaction du chlorure ferrique avec des chlorosilyloxycyclopropanes : voie d'accès aux composés carbonylés α, β-éthyléniques β-chlorés." Paris 11, 1988. http://www.theses.fr/1988PA112337.
Full textLn this thesis, we have studied the reaction of FeCI3 with chlorosilyloxcyclopropanes prepared by addition of monochloro, dichloro, chloromethyl, chlorofluoro and chlorophenylcarbene on trimethylsilyl enols ethers. Generally, the reaction of FeCI3 in diethylether leads mainly to ß, ß dichlorocarbonyl compounds by cleavage of the cyclopropanic bond between the carbon atoms bearing heteroatoms. When the cyclopropanic carbon without heteroatom is totally substituted (case of dichlorosylyloxycyclopropanes) or monosubstitued (case of monochloro and chlorofluorosylyloxy cyclopropanes) we have also isolated products wich result from the cleavage of the cyclopropanic bond opposite to the carbon atom bearing the halogen. The dehydrochlorination of ß, ß dichlorocarbonyl compounds with a labile hydrogen in the α position have permitted to develop a novel method of synthesis of α, ß-ethylenic ß-chloro carbonyl compounds. Ln the case of chlorophenylstlyloxybtcyclo [n. L. O] alkanes we have obtained ῳ -unsaturated acids and esters resulting from the cleavage of the two cyclopropanics bonds adjacent to the silylxoy group. The same cleavage was observed in the case of totally substituted dichlorostly loxycyclopropanes in benzene
Hiouni, Abdelaziz. "Première synthèse des α-lithioacétals de cétène : condensation avec les dérivés carbonylés." Rouen, 1996. http://www.theses.fr/1996ROUES074.
Full textFranc, Céline. "Fonctionnalisations sélectives de composés aromatiques et hétéromatiques." Phd thesis, Ecole Polytechnique X, 2004. http://pastel.archives-ouvertes.fr/pastel-00002299.
Full textFlandrin, Yannick. "Mesure des émissions automobiles de composés organiques volatils et de dérivés carbonylés : application à la modélisation eulérienne de la pollution atmosphérique." Lille 1, 2002. https://pepite-depot.univ-lille.fr/RESTREINT/Th_Num/2002/50376-2002-27.pdf.
Full textDevylder, Nathalie. "Poly[(silylène) diacétylènes] et diacétylènes organosiliciés : modifications fonctionnelles - potentialités comme précurseurs de céramiques mixtes C/Mt/Si (Mt=métal de transition) et C/B/Si." Montpellier 2, 1994. http://www.theses.fr/1994MON20050.
Full textFontaine, Hervé. "Les Composés Organiques Volatils dans les gaz d'échappement des automobiles : établissement de profils d'émission représentatifs des différentes conditions de conduite." Compiègne, 2000. http://www.theses.fr/2000COMP1271.
Full textThe aim of these works was to determine reliable and representative data on the Volatile Organic Compounds (VOC), more exactly on C1 to C24 hydrocarbons and carbonyl compounds, emitted in the exhaust gases of non catalyst diesel, non catalyst and catalyst petrol passenger cars running in France. In order to do so, some experimental methodologies for the determination of VOC emission factors (EF, mg/km) using simulated driving conditions (dynamometer chassis, standard driving cycles and CVS system) were developed, evaluated and applied on 15 vehicles. So, EF about 200 compounds were measured, giving relatively complete VOC emission profiles in exhaust gases. The influence of vehicle, engine thermal state driving cycle and journey average sped on the VOC emissions was studied. The engendered effects on the EF by these parameters were shown for each VOC chemical family. Concerning emission profiles, some parameters appeared more influential, leading to define representative emission profiles of specific driving conditions for each vehicle category. The determined data were compared with COPERT program ones in the case of VOC emission inventory for Lille city, showing the great sensibility of the results to the considered profiles. The assessment of 2 potential impacts of VOC emissions in car exhausts, cancer risk associated with toxic VOC and tropospheric ozone local formation, were carried out from our data considering respectively the US-EPA risk factors and the Maximun Incremental Reactivity scale
Ben, Taleb Abdellah. "Réactivité d'un plasma froid différé d'azote : spectroscopies comparées de son interaction avec différents dérivés carbonylés : une application industrielle à la métallisation." Lille 1, 1991. http://www.theses.fr/1991LIL10091.
Full textPaulus, Olivier. "Préparation d'amines allyliques fonctionnelles, éventuellement chirales, pour la synthèse d'hétérocycles azotés." Rennes 1, 2002. http://www.theses.fr/2002REN10007.
Full textAdnani, Driss. "Réactivité en cycloaddition [4+2] et [3+2] du tétrafluoroborate de 2-benzoyl-1, 2-dihyfroisoquinoléine - 1 carbonitrile (composé de Reissert dérivé de l'isoquinoléine) avec quelques énones et ethers d'enol. : Étude de la régio- et de la stéréochimie des cycloadduits." Besançon, 1995. http://www.theses.fr/1995BESA2022.
Full textJebali, Khaoula. "Cétones α,β-insaturées α-bromométhylées β-fonctionnalisées : Synthèse et étude de la réactivité électrophile." Nantes, 2016. https://archive.bu.univ-nantes.fr/pollux/show/show?id=20a7413c-ace3-46a7-ba0d-f9018089434e.
Full textDue to their multifunctionnality and their special reactivity the α,β-unsaturated α-bromomethylated β-functionnalized esters particularly occupy a prominent place in organic chemistry. They have been used as building blocks in the preparation of some natural products and their biologically active derivatives. Surprisingly, ketone analogs of these Michael acceptors have not been the subject of many studies. We propose in this work, the synthesis of new α,β-unsaturated α- bromomethylated β-functionnalized ketones and an innovative study of their electrophilic reactivity toward various nucleophiles, the results indicate that these compounds are the target of particularly nucleophilic SN2 and SN2’ substitutions or 1,2- addition. The reaction of synthesized ketones with suitably chosen amines provides a new family of 4-acylpyrrol-2(5H)-ones whose cyclization under Friedel-Crafts conditions gives access to tricyclic systems like pyrroloisoquinolines, considered as precursors of (±)-Crispine A analogs
Tremel, Pascale. "Formation de liaisons C-C dans des réactions catalysées par des "superacides" de Lewis." Nice, 2011. http://www.theses.fr/2011NICE4126.
Full textThe carbonyl ene reaction, the cyclization of homoallylic and allylic alcohols to double bonds and the anodic cyclization of 1,6-dienes are useful methods in organic synthesis in order to obtain new compounds, with variable substitutions. The purpose of this work deals with the catalysis of these reactions by metal triflates and triflimides, more acidic than classical Lewis Acids. The carbonyl ene reaction with iron (II) triflimide led to the formation of cyclic hydroxylic compounds from aldehydes and ketones with only 0,1 to 10 mol% of catalyst. Ketone derivatives provided also cascade reactions. Five membered ring ethers were obtained by the cyclization of homoallylic alcohols with 1 mol% of Al(OTf)3. The cyclization of allylic alcohols led to five and six membered rings with 5 to 10 mol% of Al(OTf)3. The study of the anodic 1,6-diene cyclization provided a series of five membered ring compounds with addition of one or two methanol molecules with 10 mol% of Ce(OTf)3
Malpeli, Pascal. "Préparation de nouveaux ligands chiraux d'axe C2. Induction asymétrique lors de l'addition de dérivés lithiés sur des composés carbonylés prochiraux." Rouen, 1991. http://www.theses.fr/1991ROUES022.
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