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Academic literature on the topic 'Oxydation des alcools'
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Journal articles on the topic "Oxydation des alcools"
Rouchaud, J. "Oxydation Entraînée des Hydrocarbures. III. Influence des Alcools." Bulletin des Sociétés Chimiques Belges 75, no. 11-12 (September 2, 2010): 762–77. http://dx.doi.org/10.1002/bscb.19660751108.
Full textBalard, Henri, Anas Mansour, and Eugène Papirer. "Oxydation photocatalytique des alcools physisorbés sur une alumine γ." Journal de Chimie Physique 84 (1987): 907–10. http://dx.doi.org/10.1051/jcp/1987840907.
Full textDurand, R., P. Geneste, G. Lamaty, and J. P. Roque. "Oxydation des alcools. I - Choix de l'adamantanol pour déterminer la structure de l'état de transition dans l'oxydation par Cr(VI)." Recueil des Travaux Chimiques des Pays-Bas 94, no. 6 (September 2, 2010): 131–34. http://dx.doi.org/10.1002/recl.19750940607.
Full textMuzart, J., A. Riahi, and J. P. Pete. "Oxydation regioselective de sulfones allyliques catalysee par le palladium et la lumiere: Formation d'aldehydes et alcools α,β-ethyleniques β-sulfonyles." Journal of Organometallic Chemistry 280, no. 2 (January 1985): 269–79. http://dx.doi.org/10.1016/0022-328x(85)88099-2.
Full textDurand, R., P. Geneste, G. Lamaty, C. Moreau, O. Pomarès, and J. P. Roque. "Oxydation des alcools. II - Mesure des effets isotopiques secondaires du deutérium pour déterminer le mécanisme de l'étape lente de la réaction d'oxydation par le chrome (VI)." Recueil des Travaux Chimiques des Pays-Bas 97, no. 2 (September 2, 2010): 42–46. http://dx.doi.org/10.1002/recl.19780970205.
Full textRezgui, F., and M. M. El Gaïed. "Preparation of β-Substituted α-(Acetoxymethyl)cyclohex-2-en-1-ones." Journal of Chemical Research 23, no. 9 (September 1999): 576–77. http://dx.doi.org/10.1177/174751989902300929.
Full textSergent, O., B. Griffon, P. Cillard, and J. Cillard. "Alcool et stress oxydatif." Pathologie Biologie 49, no. 9 (January 2001): 689–95. http://dx.doi.org/10.1016/s0369-8114(01)00244-9.
Full textAlimuddin, Andi Hairil, Sabirin Matsjeh, Chairil Anwar, and Mustofa Mustofa. "Pemanfaatan Minyak Daun Cengkeh untuk Sintesis 3,4-dimetoksibenzil Sianida sebagai Bahan Dasar Sintesis Isoflavon." Jurnal Natur Indonesia 15, no. 1 (July 14, 2014): 68. http://dx.doi.org/10.31258/jnat.15.1.68-74.
Full textDokukina, M. A., V. E. Vol'eva, I. S. Belostotskaya, N. L. Komissarova, A. Yu Karmilov, E. V. Tal'anova, and V. V. Ershov. "The solid-phase catalytic oxydation of 2-hydroxy-3,5-di-tert-butylbenzyl alcohol." Russian Chemical Bulletin 43, no. 10 (October 1994): 1738–39. http://dx.doi.org/10.1007/bf00703501.
Full textDissertations / Theses on the topic "Oxydation des alcools"
Lu, Xiao. "Contribution à l'étude du système oxydant peroxyde d'hydrogène-acide bromhydrique : application aux alcools et aux aldéhydes." Lyon 1, 1991. http://www.theses.fr/1991LYO10043.
Full textZhao, 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
Belghith, Hafedh. "Production et extraction-purification d'une alcool oxydase : réalisation et développement d'un capteur à alcools." Compiègne, 1985. http://www.theses.fr/1985COMPI211.
Full textGanchegui, Benjamin. "Transformations palladocatalysées d'alcools et utilisation d'un sel fondu comme solvant." Reims, 2004. http://www.theses.fr/2004REIMS002.
Full textThe first part of this work deals with the Heck reaction of allylic alcohols in usual organic solvents. The various strategies employed to perform this reaction an enantioselective way resulted in relative defeat. Nevertheless, the use of this coupling as final step of a tandem reaction afforded the corresponding biarylketones with satisfying yields and selectivities. The second part of this work deals with the use of molten n-Bu(4)NBr as solvent for palladium catalyzed reactions. Efficient conditions were found for the Heck coupling of allylic alcohols, the dehydrogenation of benzylic alcohols and the isomerization of allylic alcohols. Moreover, in the three cases, the ionic catalytic layer was recycled without significant loss of activity. Finally, this work gives evidences for the formation of Pd nanoparticles in the course of these reactions carried out in the molten salt as solvent
Frassoldati, Antonio. "Oxydation par l’oxygène moléculaire d’alcools en phase liquide en synthons carbonyles." Thesis, Lyon 1, 2011. http://www.theses.fr/2011LYO10228/document.
Full textThe selective alcohols oxidation to aldehydes, acids and ketones is an important transformation in chemistry. The use of molecular oxygen as oxidant is in adequation with a green chemistry perspective, since water is the only by-product. The oxidation of primary alcohols (1-octanol and geraniol) and secondary alcohols (2-octanol, 1-phenylethanol and pyridine substituted alcohols) has been studied in the presence of platinum supported carbon catalysts under air pressure in organic or mixed organic/aqueous media. The results have shown a strong influence of the solvent on the catalytic activity, with an important promoting effect of water on the reaction. This effect has been discussed based on several hypotheses. The promotion of platinum supported catalysts by bismuth has shown some modifications of the activity, with a positive effect in particular in the oxidation of secondary heteroaromatic alcohols. The deactivation observed during the oxidation reaction of some substrates has been analyzed and some solutions have been proposed to overcome the problem
Brochette, Sandrine. "Sonocatalyse en chimie des sucres : effets des ultrasons sur la glucosylation des alcools gras et l'oxydation du saccharose." Lyon 1, 1997. http://www.theses.fr/1997LYO10222.
Full textBorowiec, Anita. "New acrolein production route starting from alcohols mixtures over FeMo-based catalysts." Thesis, Lille 1, 2016. http://www.theses.fr/2016LIL10153/document.
Full textAcrolein is the simplest unsaturated aldehyde, which - due to its high reactivity - finds applications as an intermediate in the chemical industry (e.g., for acrylic acid and methionine production). Recently, a worldwide demand increase of acrolein derivatives was observed, which is expected to continuously grow within the next years. However, nowadays acrolein is commercially obtained by propylene oxidation, where the raw material comes from fossil resources. This work proposes a new method of acrolein production starting from renewable feedstock – methanol and ethanol mixture. This reaction was approached by reaction conditions optimization (i.e. Design of Experiment method do decrease the number of catalytic tests and save time), FeMoOx modifications (e.g. various Mo/Fe ratios, calcination temperature, and basic elements addition) and a second catalyst utilization (e.g. single commercial oxides and silica-based materials) in order to balance the acid base properties
Frassoldati, Antonio. "Oxydation par l'oxygène moléculaire d'alcools en phase liquide en synthons carbonyles." Phd thesis, Université Claude Bernard - Lyon I, 2011. http://tel.archives-ouvertes.fr/tel-00833386.
Full textCammoun, Chama. "Réactions catalysées par Pd(oAc)2/benzoquinone : un procédé général pour l'activation de liaisons Ar-H, Ar-B et C-H, via une oxydation électrochimique." Paris 6, 2008. http://www.theses.fr/2008PA066285.
Full textMénage, Stéphane. "Contribution à la modélisation structurale et fonctionnelle du système de dégagement d'oxygène des plantes : synthèse, étude des propriétés électroniques et de la réactivité de complexes contenant le coeur [Mn(III)₂O(RCO₂)₂)]² ⁺." Paris 11, 1988. http://www.theses.fr/1988PA112356.
Full textIn this thesis, we present our results on the chemical modelization (structural and functional) of the oxygen evolving center (OEC) of the photosystem II ( PS ID of plants. As this site is formed by a cluster of four manganese atoms, we tried to synthesize manganese polynuclear complexes. We synthesized two complexes with the core [ Mn(III)₂ 0 ( R-C0₂)₂ ] ² + wich has been suggested to exist in two manganese enzymes ( catalase and ribonucleotide reductase ). We have studied the reactivity of those complexes with primary alcohols. One of them is reduced to a Mn(II) dimer in which metallic ions are bridged by four carboxylate ions. We propose a dissociative first step Mn(III)-0-Mn(III) H Mn(II) + Mn(IV)O for this reaction. We also synthesized polynuclear complexes of Mn(II), in particular a trimer, Mn(II)₃(CH₃C0₂)₆(bipy)₂. All these compounds have been fully characterized structurally by X-Ray diffraction or absorption (EXAFS, XANES). Electronic properties have been studied by UV-Visible spectroscopy, EPR and magnetic susceptibility measurement. We examine the application of our experimental results to the OEC