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Relevant bibliographies by topics / Formic acid synthesis / Dissertations / Theses

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Dissertations / Theses on the topic 'Formic acid synthesis'

Author: Grafiati

Published: 4 June 2021

Last updated: 7 February 2022

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1

Brown, Kimberly Ann. "An analysis of a new approach to sol-gel synthesis the reaction of formic acid with TEOS /." College Park, Md. : University of Maryland, 2005. http://hdl.handle.net/1903/2979.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2005.<br>Thesis research directed by: Chemical Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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2

Corral, Pérez Juan José. "Continuous hydrogenation of carbon dioxide to formates and formic acid over heterogeneous catalysts." Doctoral thesis, Universitat Rovira i Virgili, 2019. http://hdl.handle.net/10803/667680.

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La síntesi de format i àcid fòrmic via la hidrogenació de diòxid de carboni ofereix un camí prometedor en la valorització de diòxid de carboni, i una alternativa atractiva als processos comercials actuals. No obstant, aquesta reacció no és termodinàmicament favorable en fase gas. Per això, l’ús d’additius bàsics juntament amb catalitzadors homogenis en processos per lots representa l’estat de l’art en aquest camp. L’escassa investigació d’aquesta reacció fent ús de catalitzadors heterogenis ha pogut dificultar el seu posterior desenvolupament a escala industrial. En aquest treball, es demostra

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3

Jean, Deok-im. "CORE-SHELL NANOPARTICLES: SYNTHESIS, ASSEMBLY, AND APPLICATIONS." Miami University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=miami1374848575.

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4

Tang, Yongan. "SYNTHESIS AND ELECTROCATALYSIS OF METAL NANOMATERIALS." Miami University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=miami1402313477.

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5

Nitze, Florian. "Synthesis and characterization of palladium based carbon nanostructure-composites and their clean-energy application." Doctoral thesis, Umeå universitet, Institutionen för fysik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-68852.

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Carbon nanostructures are a wide field with many applications. The use of carbon nanostructures as support in heterogeneous catalysis is a key development that led together with the use of nanoparticles to a significant cost reduction of catalysts. Catalysts designed in this way are widely applied in fuel cell technologies. For portable devices especially low temperature fuel cells are desirable with low hazards for the user. One technology which fulfills these requirements is the direct formic acid fuel cell (DFAFC). DFAFC have many promising characteristics, such as high electromotive force

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6

Chan, Chun Wong Aaron. "Ultraselective nanocatalysts in fine chemical and pharmaceutical synthesis." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:866296af-5296-4d2e-8e52-6499dacaef0f.

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Surface catalysed reactions play an important role in chemical productions. Developments of catalyst requiring high activity whilst improving on product selectivity can potentially have a profound effect in the chemical industry. Traditional catalyst modifications were focused on tuning the size, shape and foreign metal doping to form well defined metal nanoparticles of unique functionalities. Here, we show new approach to engineering of metal nanocatalysts via a subsurface approach can modify the chemisorption strength of adsorbates on the surface. Carbon modified nanoparticles were synthesis

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7

Fischer, Joshua. "HIV-1 Integrase Inhibitors: A Formal Total Synthesis of Lithospermic Acid And Synthetic Studies Towards Integramycin." University of Sydney, 2007. http://hdl.handle.net/2123/2397.

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Doctor of Philosophy (PhD)<br>This thesis describes synthetic studies towards the HIV-1 integrase inhibitory natural products lithospermic acid and integramycin, resulting in a formal total synthesis of the former. A modular, flexible and convergent synthetic strategy to lithospermic acid was devised. In this approach, a Sonogashira coupling was used to unite the C1–C7 and C20–C27 fragments that were subsequently manipulated to then participate in the key step of the synthesis, a palladium-mediated carbonylative annulation. Reduction of the benzofuran nucleus with magnesium in methanol then pr

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Raciulete, Monica. "Synthèse de matériaux nano structurés dans des solvants non aqueux." Phd thesis, Université Claude Bernard - Lyon I, 2010. http://tel.archives-ouvertes.fr/tel-00809196.

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Dans la synthèse des matériaux catalytiques, deux aspects orientent en particulier les recherches actuelles: le contrôle de taille afin d'obtenir des nanoparticules finement divisées et le contrôle précis de la morphologie. Dans cette étude, nous avons utilisé les milieux non aqueux pour élaborer des matériaux catalytiques à base d'oxydes des métaux de transition (Ti, Zr, Mn). Trois méthodologies ont été employées pour la préparation des solides à base de TiO2. La synthèse dans les nitrates fondus dopés avec différents anions permet un boncontrôle des propriétés texturales des matériaux et de

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9

Arvola, J. (Jouko). "Reducing industrial use of fossil raw materials:techno-economic assessment of relevant cases in Northern Finland." Doctoral thesis, Oulun yliopisto, 2011. http://urn.fi/urn:isbn:9789514296895.

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Abstract Climate change and global warming are currently widely discussed topics, both of which potentially impact all the nations and industries. Carbon dioxide (CO2) and other green house gases (GHG) are seen as a major challenge. This doctoral dissertation aims to conduct techno-economic calculations on the possibilities of reducing the industrial use of fossil raw materials in Northern Finland. This doctoral dissertation analyses industrial CO2 emissions from five complementary perspectives: identifying significant potential industrial plants, analysing the replacement of fossil raw materi

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10

Goodwin, Nicole C. Barton Jacqueline K. MacMillan David W. C. "Application of iminium activation technologies to natural product synthesis : total syntheses of the spiculisporic acids, progress towards the total synthesis of cylindrocyclophane F, and a formal synthesis of cylindrocyclophane A /." Diss., Pasadena, Calif. : California Institute of Technology, 2007. http://resolver.caltech.edu/CaltechETD:etd-07242006-134454.

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11

More, Jesse D. More Jesse D. More Jesse D. "1. A convenient and advantageous protocol for the oxidation of alcohols with o-iodoxybenzoic acid (IBX) ; 2. Asymmetric formal synthesis of polyoxin C ; 3. Synthetic studies toward octosyl acid A /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2004. http://wwwlib.umi.com/cr/ucsd/fullcit?p3123661.

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12

Ji, An. "Mn-mediated radical coupling toward synthesis of alpha, alpha-disubstituted alpha-amino esters and formal synthesis of quinine." Diss., University of Iowa, 2011. https://ir.uiowa.edu/etd/1150.

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Chiral alpha-branched amines are common substructures of bioactive synthetic targets such as alkaloids and amino acids. Direct asymmetric amine synthesis by addition to the C=N bond of carbonyl imino derivatives is promising and efficient to introduce the stereogenic center and carbon-carbon bond in one step. Furthermore, disconnection of either C-C bond at the amine stereogenic center would be the most versatile method to achieve this objective; we could make the choice depending on the different synthetic strategies, such as the availability of precursors and the presence of complicating str

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13

Felipe-Blanco, Diego. "Salicylic Acid-Catalyzed Radical Arylations from In-situ Formed Arenediazonium Salts." Doctoral thesis, Universidad de Alicante, 2020. http://hdl.handle.net/10045/112757.

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In this thesis, it has been studied the deamination of aromatic amines, through in situ formed diazonium salts as reaction intermediates, catalyzed by salicylic acid, a nontoxic, eco-friendly and economic catalyst. In the early part of the thesis (Chapter I) it has studied the deamination process using THF as solvent as hydrogen donor and anilines as radical source, to carry the hydrodeamination reaction, as well as the process in its deuterodeamination manner using deuterated solvent. Following with this study in Chapter II and Chapter III, it has been studied the addition of the aromatic rad

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14

Mazzanti, Stefano. "A novel atroposelective strategy for the synthesis of quinoline substrates." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amslaurea.unibo.it/16660/.

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Among heterocyclic compounds, quinoline scaffold has become an important motif for the development of new pharmacological active compounds. Since the discovery of their antimalarial properties, a large variety of quinolines was found to have interesting physiological activities and displayed attractive applications for pharmaceutical industries. In accordance to the above-mentioned features, a number of methods were developed for their synthesis but enantioselective versions are still lacking in the literature. In the past decades, this question has become even more complex, with the emergenc

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15

Burgers, C. L. (Colleen Lucie). "Synthesis and characterisation of sesquioxidic precipitates formed by the reaction of acid mine drainage with fly ash leachate." Thesis, Stellenbosch : University of Stellenbosch, 2003. http://hdl.handle.net/10019.1/16266.

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Thesis (MScAgric)--University of Stellenbosch, 2003.<br>ENGLISH ABSTRACT: Coal mining in South Africa is estimated to produce 200 Ml of acid mine drainage (AMD) per day in the Pretoria-Witwatersrand-Vereeniging (PWV) area alone, while electricity production resulted in approximately 27 Mt of ash in 2001. A large number of collieries in South Africa are tied to power stations where these two waste streams, acid mine drainage and fly ash, have the capacity to neutralize each other and provide an opportunity for co-disposal. The aim of this study was to investigate the reactions that occur

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16

Chang, Yi-Lan, and 張藝籃. "Synthesis and Characterization of Pd/ZrO2/MWCNTs for Direct Formic Acid Fuel Cells." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/qt3ptn.

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碩士<br>大同大學<br>化學工程學系(所)<br>107<br>The motivation of this research work is focused on synthesis and electro-catalytic characterization of Pd-based catalysts for anode materials in direct formic acid fuel cell application. 　　This study used transition metal oxides to modify the acid oxidized multi-walled carbon nanotubes (AO-MWCNTs) to avoid the direct influence of poisoning on the catalyst. The electrocatalytic performance of zirconia modified catalysts in different phases and the difference of carbon tube application in catalysts were discussed. 　　In this study, Pd catalysts were synthesized o

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17

Hsiao, Yu-Hsiang, and 蕭宇翔. "Synthesis and Characterization of Pd/Polypyrrole/Polyaniline/MWCNTs for Direct Formic Acid Fuel Cells." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/3w7u9f.

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碩士<br>大同大學<br>化學工程學系(所)<br>107<br>In the growing alternative energy sources, the fuel cell is a device that directly converts chemical energy into electrical energy. For direct formic acid fuel cells, the anodic catalyst palladium has recently been discussed. This study used conductive polymer Polyaniline (PANI) and Polypyrrole (PPY) to modified AO-MWCNTs. Three PANI and PPY to AO-MWCNTs proportions of 2:18:80, 5:15:80 and 10:10:80 were prepared as the catalyst supporters. The PANI and PPY modification is expected to suppress electron trapping by defect on the surface of AO-MWCNTs and enhance

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18

Bauer, John C. "Nanoparticles as Reactive Precursors: Synthesis of Alloys, Intermetallic Compounds, and Multi-Metal Oxides Through Low-Temperature Annealing and Conversion Chemistry." 2009. http://hdl.handle.net/1969.1/ETD-TAMU-2009-05-642.

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Alloys, intermetallic compounds and multi-metal oxides are generally made by traditional solid-state methods that often require melting or grinding/pressing powders followed by high temperature annealing (> 1000 degrees C) for days or weeks. The research presented here takes advantage of the fact that nanoparticles have a large fraction of their atoms on the surface making them highly reactive and their small size virtually eliminates the solid-solid diffusion process as the rate limiting step. Materials that normally require high temperatures and long annealing times become more accessible at

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19

Goodwin, Nicole C. "Application of iminium activation technologies to natural product synthesis: Total syntheses of the spiculisporic acids, progress towards the total synthesis of cylindrocyclophane F, and a formal synthesis of cylindrocyclophane A." Thesis, 2007. https://thesis.library.caltech.edu/2974/1/Chapter00.pdf.

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The first enantioselective, catalytic vinylogous Mukaiyama-Michael reaction of siloxyfurans with simple alpha,beta-unsaturated aldehydes has been reported using chiral imidazolidinones. This methodology provides access to enantioenriched gamma-butenolides, a privileged motif in organic synthesis. The utility of this organocatalytic Mukaiyama-Michael reaction was highlighted by the total syntheses of (--)-spiculisporic acid and (--)-5-epi-spiculisporic acid. Investigations into the total syntheses of cylindrocyclophanes A and F necessitated the development of a novel B-alkyl Suzuki cross-cou

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20

Burkhardt, Markus [Verfasser]. "Micelles and interpolyelectrolyte complexes formed by polyisobutylene-block-poly([meth]acrylic acid) : synthesis of polymers and characterization in aqueous solutions / vorgelegt von Markus Burkhardt." 2008. http://d-nb.info/987054872/34.

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21

Sir, In-Shan, and 余怡璇. "A Formal Synthesis of Optically Active 2-Oxo-5a,8a-13, 14, 15, 16-tetranorclerod-3-en-12-oic acid and 6b-Acetoxy-2-oxokolavenool." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/28722707780221296276.

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碩士<br>國立清華大學<br>化學系<br>88<br>This thesis describes the formal asymmetric synthesis of 2-oxo-5a,8a-13,14,15,16-tetranorclerod-3-en-12-oic acid (54) and 6b-acetoxy-2-oxokolavenool (55) (Figure 1). The efficient synthesis of (R)-4-(2-benzyloxyethyl)-4-methyl-2-cyclohexenone [(-)-67], a common intermediate in a previously reported synthesis of both 54 and 55, in an asymmetric manner was the key concept in this approach. Towards this end, two approaches were investigated: enzymatic kinetic resolution and asymmetric synthesis via Meyer''s b-lactam approach to 4,4-disubstituted 2-cyclohexenones. I

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22

Dubland, Joshua. "Studies towards Developing Diastereoselective SN1 Reactions of α-Keto Carbocations". Thesis, 2010. http://hdl.handle.net/1807/24246.

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Although α-keto carbocations have been demonstrated to be viable intermediates in solvolysis reactions, their applications in synthesis are scarce. These species can be considered to be equivalent to “reversed polarity” enolates and, as such, could be useful for the asymmetric formation of carbon-carbon and carbon-heteroatom bonds. In principle, facial selectivity in additions to α-keto carbocations may be induced using easily removed ester, amide, or imide chiral auxiliaries. Efforts to achieve such diastereoselective SN1 reactions of α-keto carbocations are described herein.

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23

ZHAO, YIGANG. "Reduction of Tertiary Benzamides to Benzaldehydes by an in situ-Generated Schwartz Reagent (Cp2Zr(H)Cl); Formal Synthesis of Lysergic Acid 2. Ru-Catalyzed Amide-Directed Aryl C-H, C-N and C-O Bond Functionalizations: C-B Formation, C-C Suzuki Cross Coupling and Hydrodemethoxylation." Thesis, 2010. http://hdl.handle.net/1974/6671.

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Chapter 2 of the thesis describes a highly efficient in situ method for the reduction of amides to aldehydes and aryl O-carbamates to phenols and other transformations involving hydrozirconations. The method, as a three-component-type reaction, involves in situ generation of the Schwartz reagent (Cp2Zr(H)Cl) from Cp2ZrCl2 and the reductant, LiAlH(O-t-Bu)3, and immediate reaction with a substrate. Substrates include aliphatic and aromatic tertiary amides which are reduced to aldehydes, aryl O-carbamates which are reduced to phenols, and alkynes which undergo other transformations via hydrozirco

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