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Relevant bibliographies by topics / Transformative reactions / Dissertations / Theses

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Dissertations / Theses on the topic 'Transformative reactions'

Author: Grafiati

Published: 18 May 2024

Last updated: 31 July 2025

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1

Sinha, Rajendra Prasad. "Studies on some transformative reactions of triterpenoids." Thesis, University of North Bengal, 1993. http://hdl.handle.net/123456789/816.

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2

Singha, Rabindranath. "Chemical transformation of carbocyclic compounds and development of novel reaction protocols." Thesis, University of North Bengal, 2021. http://ir.nbu.ac.in/handle/123456789/4348.

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3

Mothay, jyotsna. "Studies on the transformative reactions of carbocyclic compounds." Thesis, University of North Bengal, 2002. http://hdl.handle.net/123456789/771.

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4

Mandal, Amitava. "Transformative reactions of terpenoids and studies on their biological activity." Thesis, University of North Bengal, 2012. http://hdl.handle.net/123456789/1571.

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5

Amass, Dorothy Gwendoline. "Block co-polymerization by transformation reactions." Thesis, Aston University, 1996. http://publications.aston.ac.uk/9679/.

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The aim of this study was to use the transformation of anionic to metathesis polymerization to produce block co-polymers of styrene-b-pentenylene using WC16/PStLi and WC16/PStLi/AlEtC12 catalyst systems. Analysis of the products using SEC and 1H and 13C NMR spectroscopy enabled mechanisms for metathesis initiation reactions to be proposed. The initial work involved preparation of the constituent homo-polymers. Solutions of polystyryllithium in cyclohexane were prepared and diluted so that the [PStLi]o < 2x10-3M. The dilution produced initial rapid decay of the active species, followed by slowe

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6

Patel, A. V. "Microbial transformation of spirostanes and related compounds." Thesis, University of Portsmouth, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375659.

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7

Clarke, P. D. "Transformation and addition reactions in the chromone series." Thesis, University of Salford, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.372132.

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8

Kanno, Hisashi. "In situ alcohol oxidation-transformation reactions using manganese dioxide." Thesis, University of York, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.270357.

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9

Pariyar, Gyan Chandra. "Explorative studies on carbon hetero bond transformation reaction and carbon-hetero bond formation reaction." Thesis, University of North Bengal, 2018. http://ir.nbu.ac.in/handle/123456789/2813.

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10

Zhang, Junlong, and 張俊龍. "Macromolecular ruthenium porphyrin catalysts for organic transformation reactions: mechanistic andcatalytic studies." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B31545725.

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11

LIN, PENG. "Enzyme cascade reactions on 3D DNA scaffold with dynamic shape transformation." Doctoral thesis, Kyoto University, 2021. http://hdl.handle.net/2433/265209.

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京都大学<br>新制・課程博士<br>博士(エネルギー科学)<br>甲第23437号<br>エネ博第424号<br>新制||エネ||81(附属図書館)<br>京都大学大学院エネルギー科学研究科エネルギー基礎科学専攻<br>(主査)教授森井孝, 教授佐川尚, 教授片平正人<br>学位規則第4条第1項該当<br>Doctor of Energy Science<br>Kyoto University<br>DFAM

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12

Shirsath, Sachin R. "Exploring new synthesis transformations employing p-quinone methides as versatile acceptors in 1,6-addition reactions." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 2022. https://hdl.handle.net/20.500.12252/6219.

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13

Marfil, Vega Ruth. "Abiotic Transformation of Estrogens in Wastewater." University of Cincinnati / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1289235973.

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14

Zhang, Junlong. "Macromolecular ruthenium porphyrin catalysts for organic transformation reactions mechanistic and catalytic studies /." Click to view the E-thesis via HKUTO, 2004. http://sunzi.lib.hku.hk/hkuto/record/B31545725.

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15

Doohan, Fiona Maria. "Molecular techniques for studing Fusarium ear blight of wheat." Thesis, Open University, 1997. http://oro.open.ac.uk/57682/.

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This work has compared polymerase chain reaction (PCR) assays and traditional visual disease assessment to evaluate the severity of Fusarium ear blight (FEB) ofwheat under field and glasshouse conditions. In a field trial, PCR analysis highlighted the problem of diagnosis of FEB of wheat based on visual disease assessment where natural inoculum was present. PCR-based analysis detected F. poae predominantly in the glumes and Microdochium nivale sub-species were predominantly found in the rachis component of ears. M nivale var. majus was more frequently observed than var. nivale (64 and 36 %, re

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16

Onike, F. N. "Time-temperature-transformation (TTT) curves for and the thermal decompsition reactions of kaolinite, montmorillonite and two muscovite samples." Thesis, University of Hull, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.377390.

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17

Yan, Zifei. "Equivalence Transformations for a System of a Biological Reaction Diffusion Model." Thesis, Blekinge Tekniska Högskola, Sektionen för ingenjörsvetenskap, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-2201.

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A biological reaction diusion model has gained much attention recently. This model is formulated as a system of nonlinear partial dierential equations that contains an unknown function of one dependent variable. How to determine this unknown function is complicated but also useful. This model is considered in this master thesis. The generators of the equivalence groups and invariant solutions are calculated.

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18

GUSMAO, DA SILVA JORGE. "Transformation catalytique des huiles vegetales en gazole : mecanisme et optimisation des reactions d'hydrocraquage." Paris 6, 1986. http://www.theses.fr/1986PA066405.

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Etude experimentale des reactions d'hydrocrackage d'une huile vegetale en autoclave, sous pression d'hydrogene, entre 623 et 708**(o)k, en presence de catalyseurs hydrogenants. On a mis en evidence les sequences detaillees des reactions qui transforment les composes insatures et les triglycerides en hydrocarbures du type "gazole". Le deplacement de l'equilibre global vers la formation d'hydrocarbures a ete realise pour une pression finale d'hydrogene de 200 bars. Un taux de conversion proche de 100% molaire a ete obtenu pour deux huiles vegetales a 633**(o)k, avec des catalyseurs ni-mo/gamma -

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19

Sakurai, Shunya. "Development of Transformation Reactions with Alkylsilyl Peroxidesas Alkyl Radical Precursors under Cu Catalysis." Doctoral thesis, Kyoto University, 2021. http://hdl.handle.net/2433/263490.

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20

Gonzalez, Richard. "Biocatalytic transformation of steroids using solvent-enhanced Beauveria bassiana." Diss., University of Iowa, 2015. https://ir.uiowa.edu/etd/1610.

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This dissertation describes efforts to improve the oxidative capacity of n-alkane- induced Beauveria bassiana; a fungus and a versatile whole cell biocatalyst used in the biotransformation of steroids. n-Hexadecane was used as the carbon source during the growth of B. bassiana, presumably to induce the expression of oxidative enzymes, thus enhancing the oxidation of unactivated carbons. Dehydroepiandrosterone (DHEA) is an essential endogenous male-hormone and serves as a metabolic intermediate in the production of more potent androgens. Using DHEA as a substrate also provides the opportunity t

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21

Singha, Rabindranath. "Chemical transformation of carbocyclic compounds and development of novel reaction protocols." Thesis, University of North Bengal, 2021. http://ir.nbu.ac.in/handle/123456789/4326.

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22

Rasul, Mohammed Golam. "Phytochemical investigation of some medicinal plants transformative reaction on the isolated organic compounds and studied on their biological activities." Thesis, University of North Bengal, 2010. http://hdl.handle.net/123456789/1370.

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23

Smith, Donna Lee. "Development of novel metal-catalysed methods for the transformation of Ynamides." Thesis, University of Edinburgh, 2013. http://hdl.handle.net/1842/8895.

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I. Rhodium-Catalysed Carbometalation of Ynamides using Organoboron Reagents. As an expansion of existing procedures for the carbometalation of ynamides, it was discovered that [Rh(cod)(MeCN)2]BF4 successfully promotes the carbometalation of ynamides with organoboron reagents. A variety of organoboron reagents were found to be suitable for this reaction, but mostly the use of arylboronic acids was explored. The developed methodology provides β,β-disubstituted enamide products in a regio- and stereocontrolled manner. II. Palladium-Catalysed Hydroacyloxylation of Ynamides. In the presence of pall

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24

Poupart-Lafarge, Henri. "Reaction and transformation of airlines in a deregulated environment : a strategy for Air France." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/34085.

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25

Cakir, Esen. "Synthesis Of Novel Chiral N,n-dialkyl Substituted 1,4-amino Alcohols And Applications In Asymmetric Transformation Reactions." Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/12608484/index.pdf.

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Amino alcohols are valuable bioactive substances and frequently used as chiral catalyst in various asymmetric transformation reactions. In the synthetic route, the asymmetric synthesis of novel chiral N,N-dialkyl substituted chiral 1,4-amino alcohols are performed starting with meso-anhydride 38. Quinine-mediated desymmetrization of the anhydride with methanol afforded (2S,3R)-cis-monoester 39 with a high enantiomeric excess (up to 98% ee). Chemoselective amidation of hemiester with various N,N-dialkyl substituted amines resulted in amido esters and they were subjected to LAH reduction to affo

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26

Isaksson, Dan. "Lipase catalysed reactions of terpenoids : formation of hemiacetal esters : resolution of cryptone and its transformation to cadinenes." Doctoral thesis, Stockholm, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-588.

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27

Grigorieva, Raisa. "Etude des transformations de phases dans le revêtement Al-Si lors d'un recuit d'austénitisation." Thesis, Vandoeuvre-les-Nancy, INPL, 2010. http://www.theses.fr/2010INPL019N/document.

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De nos jours on utilise de plus en plus les aciers pré-revêtus dédiés aux applications pour emboutissage à chaud afin de protéger la surface de l’acier contre la décarburation et l’oxydation durant le traitement thermique. Le revêtement est déposé à chaud en continu par immersion de la bande d’acier dans un bain d’Al-Si. Pendant l’austénitisation le revêtement Al-Si se transforme par réactions d’inter-diffusion et de solidification. Ces réactions conditionnent la microstructure finale et en particulier la surface du revêtement, responsable des propriétés d’emploi telles que le soudage par poin

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28

Yeh, Xian-Li Johnson W. L. "Reaction of hydrogen with crystalline and amorphous alloys : crystal to amorphous transformation induced by hydrogen /." Diss., Pasadena, Calif. : California Institute of Technology, 1987. http://resolver.caltech.edu/CaltechETD:etd-03042008-144844.

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29

Odabas, Serhat. "Asymmetric Synthesis Of N-aryl Substituted Chiral 1,4-amino Alcohol Derivatives And Applications In Various Asymmetric Transformation Reactions." Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/12608489/index.pdf.

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The asymmetric synthesis of N-aryl substituted chiral 1,4-aminoalcohols and their applications in asymmetric borane reduction and enantioselective diethylzinc addition to benzaldehyde reactions were performed starting from meso anhydride 51 that is the cycloadduct of cyclopentadiene and maleic anhydride. The desymmetrization of meso-anhydride 51 was achieved by using quinine or quinidine with very high enantiomeric excess value (up to 98% ee) and with high chemicalb yield. The quinine-mediated desymmetrization of meso-anhydride 51 with methanol gave (2S,3R)-(-)-cis-monoester 52. The hemiester

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30

Swarts, Andrew John. "Novel transition metal complexes based on N,N and N,P ligands as catalysts for ethylene transformation reactions." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86330.

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31

Moscu, Corcodel Alina. "Structural transformation under reaction conditions of supported PtSn nanoparticles characterized by in situ DRIFTS and kinetic modeling." Thesis, Lyon 1, 2015. http://www.theses.fr/2015LYO10177.

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La réaction d’oxydation sélective du CO par O2 en présence d’un excès d’hydrogène (PROX) est considérée comme une étape de purification essentielle de l’H2 à utiliser dans des piles à combustible. L’objectif de cette thèse est de mieux comprendre le mécanisme de cette réaction sur des catalyseurs bimétallique s à base de Pt et Sn. Des catalyseurs modèles Pt et Pt-Sn ont été synthétisés en deux étapes : (i) formation de nanoparticules (NP) métalliques colloïdales en suspension suivi par ( ii) l’imprégnation de ces particules sur des supports. L’adsorption du CO suivit par spectroscopie FT-IR en

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32

Renou, Jean-Pierre. "Transformation génétique du chrysanthème (dendranthema grandiflora tzvelev) par agrobacterium." Angers, 1992. http://www.theses.fr/1992ANGE0009.

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La possibilité de transformation génétique du chrysanthème par agrobacterium a été étudiée. Des racines transformées ont pu être obtenues après inoculation avec a. Rhizogenes. Cependant la régénération de plantes transformées ne fut possible que dans de rares cas, après des temps de culture in vitro très longs. Des plantes transformées furent ensuite obtenues grâce à la souche d'agrobacterium. Eha 101 contenant un plasmide vecteur binaire qui comporte les gènes : npt ii, hpt et gus. Ces plantes ont été obtenues par sélection sur la résistance à la kanamycine. Différents protocoles ont conduit

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33

Dussol, Damien. "Étude expérimentale et modélisation cinétique de la transformation d’éthanol en butadiène." Thesis, Lyon, 2019. http://www.theses.fr/2019LYSE1221/document.

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Le butadiène est une molécule d’intérêt industriel qui peut être produite par le procédé dit Ostromislensky, avec l’éthanol en tant que matière première. Cette étude a pour objectif de développer un modèle cinétique pour expliquer la transformation d’un mélange éthanol/acétaldéhyde en butadiène, dans le cadre de la seconde étape de ce procédé. Le modèle cinétique est basé sur un schéma réactionnel et un modèle de réacteur. Le schéma proposé comprend la voie de Gorin Jones, communément acceptée dans la littérature, et une toute nouvelle voie impliquant un intermédiaire buténone. Les étapes clés

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34

Adenot, Aurélien. "Activation et transformation catalytique de SO₂ par des composés organométalliques et organiques." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPASF014.

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Produit notamment lors de la combustion de ressources fossiles carbonées contenant des impuretés soufrées, le dioxyde de soufre (SO₂) est l’un des polluants majeurs de notre atmosphère. Toxique à la fois pour l’homme et pour l’environnement, sa conversion représente donc un enjeu majeur. De fait, son utilisation en tant que source de soufre pour la chimie fine revêt un triple intérêt : économique, sanitaire et écologique. Dans cette optique, nous nous sommes intéressés à la formation de sulfones à partir de SO₂, et ce grâce à l’usage de catalyseurs métalliques et d’organosilanes, composés nucl

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35

Yazbek, Lindsey Danese. "Hydrogeochemical Factors Influencing Metal Transport and Transformation in a Stream Impaired by Acid Mine Drainage." Kent State University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=kent1564478839556002.

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36

Tavitian, Bernard. "Etude par spectroscopie differentielle infrarouge a transformee de fourier des reactions primaires de la photosynthese." Paris 6, 1987. http://www.theses.fr/1987PA066642.

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37

Ruiz, Johal. "Nouvelles synthèses par catalyse de composés organosilicés et leur transformation en fragments de polycétides." Thesis, Rennes 1, 2015. http://www.theses.fr/2015REN1S138/document.

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La réaction d'aldolisation est une des méthodes les plus importantes et plus utilisées pour former des liaisons C-C. La réaction tandem d'isomérisation-aldolisation catalytique d'alcools allyliques permet d'effectuer cette réaction avec de nombreux avantages synthétiques et nous avons préparé par ce moyen des beta-hydroxyacylsilanes à partir d'alpha-hydroxyallylsilanes. Tout d'abord, nous avons cherché à mettre au point une version catalytique asymétrique de cette réaction tandem et nous avons aussi synthétisé des beta-hydroxyacylsilanes par aldolisation directe. Ensuite, nous avons utilisé de

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38

Das, Saikat. "FUNDAMENTAL STUDIES OF SURFACTANT TEMPLATED METAL OXIDE MATERIALS SYNTHESIS AND TRANSFORMATION FOR ADSORPTION AND ENERGY APPLICATIONS." UKnowledge, 2015. http://uknowledge.uky.edu/cme_etds/48.

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This work addresses fundamental aspects of designing templates and curing conditions for the synthesis of mesoporous metal oxide thin films. The first section addresses selection of cationic-carbohydrate surfactant mixtures to synthesize templated silica thin films for selective adsorption of simple carbohydrates based on molecular imprinting. Nuclear magnetic resonance and fluorescence spectroscopy results suggest a novel structure for mixtures of alkyl glucopyranosides or xylopyranosides with cationic (trimethylammonium) surfactants. Despite thermodynamically favorable mixing, the carbohydra

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39

Skoglund, Nils. "Ash chemistry and fuel design focusing on combustion of phosphorus-rich biomass." Doctoral thesis, Umeå universitet, Institutionen för tillämpad fysik och elektronik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-88505.

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Biomass is increasingly used as a feedstock in global energy production. This may present operational challenges in energy conversion processes which are related to the inorganic content of these biomasses. As a larger variety of biomass is used the need for a basic understanding of ash transformation reactions becomes increasingly important. This is not only to reduce operational problems but also to facilitate the use of ash as a nutrient source for new biomass production. Ash transformation reactions were examined in the present work using the Lewis acid-base concept. The model presented in

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40

Jewell, Kevin [Verfasser], and Thomas [Akademischer Betreuer] [Gutachter] Ternes. "Investigations of chemically and biologically induced transformation reactions of micropollutants during biological wastewater treatment processes / Kevin Jewell ; Gutachter: Thomas Ternes ; Betreuer: Thomas Ternes." Koblenz, 2017. http://d-nb.info/1138981656/34.

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41

ROUSSELET, GUILHEM. "Nouvelles reactions cupro-catalysees des amines. Transformation des amines tertiaires et des n-oxydes en ions iminiums, epoxydation intramoleculaire. Synthese et utilisation synthetique des amidines." Paris 6, 1996. http://www.theses.fr/1996PA066368.

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Les sels cuivriques ainsi que l'oxygene moleculaire en presence de sels cuivreux oxydent la trimethylamine en ion n,n-dimethyliminium. Ce resultat conduit a la description d'un modele biomimetique de l'oxydation des amines tertiaires par les cupro-enzymes laccase et ceruloplasmine humaine. L'etude de la transformation des n-oxydes d'amines par les sels de cuivre a permis la mise au point d'une nouvelle voie d'acces aux ions iminiums. L'oxydation des 1-methyltetrahydropyridines resultant de l'interaction de l'oxygene moleculaire sur les sels cuivreux, et la transformation de leurs n-oxydes par

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42

Breslin, Michael Craig. "Transformation Kinetics of Al2O3/Al Co-Continuous Ceramic/Metal Composite Materials (C4) Produced by a Displacement Reaction Between Liquid Al and Fused SiO2." The Ohio State University, 1994. http://rave.ohiolink.edu/etdc/view?acc_num=osu1392902805.

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43

Dandach, Amar. "Transformation de la cellulose en bioproduits : une approche intégrée couplant la catalyse enzymatique et la catalyse hétérogène." Thesis, Lyon, 2018. http://www.theses.fr/2018LYSE1129.

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Ces travaux de thèse portent sur la possibilité de combiner la catalyse hétérogène et la catalyse enzymatique dans une réaction en cascade de transformation de la cellulose en produits d’intérêt. Le prétraitement enzymatique (Celluclast, un cocktail de cellulases) a été choisi comme première étape de transformation de la cellulose en vue de la fragiliser; elle est réalisée dans une solution tampon d’acide acétique et d’acétate de sodium à pH 4,75, à 50°C. Cette étape produit principalement du glucose et modifie structurellement la cellulose résiduelle en diminuant seulement son degré de polymé

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44

Malki, Abdelhafid. "Transformation électrocatalytique de produits issus de la biomasse : oxydation du fructose sur électrodes d'or et de platine." Poitiers, 1988. http://www.theses.fr/1988POIT2274.

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L'oxydation electrochimique du fructose en milieu basique et en milieu acide est realisee: une etude cinetique est effectuee, on etudie la modification des proprietes catalytiques superficielles des electrodes par adjonction d'adatomes, on fait plusieurs electrolyses a potentiel programme montrant que l'on obtient par cette reaction un melange d'acides gluconique, tartrique et citrique

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45

Doridot, Gabriel. "Etude de la transformation d'aminocyclopropanes élaborés dans le cadre d'une stratégie de synthèse de 14-azastéroïdes." Phd thesis, Université Paris Sud - Paris XI, 2011. http://tel.archives-ouvertes.fr/tel-00937934.

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Au cours de ces travaux de thèse, une voie de synthèse de différentes cyclopropylamines a été développée. Leur fonctionnalisation a ensuite été mise en œuvre à l'aide de réactions de métallation ou de couplages croisés catalysés au palladium. Les cyclopropylamines ainsi fonctionnalisées furent alors soumises à des conditions de cyclisation dans le but d'obtenir tout ou partie d'une structure 14-azastéroïde. Si notre modèle, dont la synthèse s'est construite autour d'une aniline, nous a permis d'obtenir la structure des cycles B, C et D d'un 14-azastéroïde, nous n'avons pas été en mesure d'obte

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46

Hager, Veit [Verfasser]. "Stability and Deactivation Behavior of Supported Ionic Liquid Phase (SILP) Catalysts and Solid Catalyst with Ionic Liquid Layer (SCILL) Catalysts in Transformation Reactions of Alkenes and Alkynes / Veit Hager." München : Verlag Dr. Hut, 2020. http://d-nb.info/1222351870/34.

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47

Hakala, Jacqueline Alexandra. "The abiotic transformation of nitroaromatic pesticides by Fe(II) and dissolved organic matter." Columbus, Ohio : Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1198087788.

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48

Stadlmair, Lara Fabienne [Verfasser], Thomas [Akademischer Betreuer] Letzel, Jörg [Gutachter] Drewes, Thomas [Gutachter] Letzel, and Peter [Gutachter] Schröder. "Enzymatic Transformation of Trace Organic Chemicals : Characterization of Reaction Mechanisms using Mass Spectrometric Technologies / Lara Fabienne Stadlmair ; Gutachter: Jörg Drewes, Thomas Letzel, Peter Schröder ; Betreuer: Thomas Letzel." München : Universitätsbibliothek der TU München, 2018. http://d-nb.info/1166315142/34.

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49

Hernoux-Villière, A. (Audrey). "Catalytic depolymerisation of starch-based industrial waste:use of non-conventional activation methods and novel reaction media." Doctoral thesis, Oulun yliopisto, 2013. http://urn.fi/urn:isbn:9789526201634.

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Abstract The rapid increase of energy demand for transportation generates a rise of environmental pollution, stimulating the development of alternative sources of energy. Biomass is considered as the main organic carbon source of energy to substitute petroleum permitting sustainable production of chemicals and transportation fuels. Biowastes, residues and non-edible feedstock possess high potential resources avoiding food competition. This research aims to convert starch-based industrial waste, potato peels, into reducing sugars and platform molecules, such as glucose. These high added-value c

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50

Chen, Wan-Ru. "Interactions of tetracycline antibiotics with dissolved metal ions and metal oxides." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/24698.

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Thesis (Ph.D.)--Civil and Environmental Engineering, Georgia Institute of Technology, 2008.<br>Committee Chair: Huang, Ching-Hua; Committee Member: Kim, Jaehong; Committee Member: Pavlostathis, Spyros; Committee Member: Stack, Andrew; Committee Member: Yiacoumi, Sotira

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