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Rozprawy doktorskie na temat „Organosulfur”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 31 października 2024

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1

Haughey, Simon Anthony. "Chemoenzymatic synthesis of organosulfur compounds." Thesis, Queen's University Belfast, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.318731.

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2

King, Alistair William Thomas. "Chemoenzymatic synthesis of chiral organosulfur compounds." Thesis, Queen's University Belfast, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.396118.

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3

Chowdhury, Mohima Begum Roomi. "Unsaturated organosulfur chemistry : synthesis and applications." Thesis, University College London (University of London), 2018. http://discovery.ucl.ac.uk/10045805/.

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The original focus of this thesis was ynol ether synthesis which was successful using simple and easy-to-prepare precursors (chloroacetylenes) but low yielding. Attention was then diverted to the design and synthesis of a range of thioynol ethers (alkynyl sulfides) utilising chloroacetylenes. The reaction of a chloroacetylene with a thiolate salt in the presence of an amine mediator (Me2NH or DMEDA) yielded the alkynyl sulfides in excellent yields. The alkynyl chlorides were easily prepared from the parent alkynes contrasting sharply with the cumbersome synthesis of an alkynyl sulfonamide prev

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4

Class, Caleb Andrew. "Predicting organosulfur chemistry in fuel sources." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/98155.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Chemical Engineering, 2015.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>Desulfurization of fossil fuels with supercritical water (SCW) has been the topic of many studies over the past few decades. This process does not require the use of any catalyst, eliminates the need for a hydrogen feed, and minimizes coke formation. Previous research has shown that it has the potential to be a viable commercial process, and recent experimental studies have proven that water acts as one hydrogen sou

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5

Shepherd, S. D. "Chemical and enzymatic synthesis of organosulfur compounds." Thesis, Anglia Ruskin University, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.396225.

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6

Hendrickx, Ramon Adriaan Antonius Johannes Hendrickx. "Mechanistic studies of organosulfur oxidations by dimethyldioxirane." Thesis, University of York, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.399615.

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7

Ramesha, A. R. "Organosulfur Reactions In Organic Synthesis With Tetrathiomolybdate." Thesis, Indian Institute of Science, 1994. https://etd.iisc.ac.in/handle/2005/107.

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Recent years have seen a dramatic expansion in synthetic and structural molybdenum - sulfur chemistry. The amplest binary Mo-S moiety in MO$ ion. The thromolybdates derived by sulfur substitution from the 0x0 analogue have interesting chemical properties. Although they have been studied extensively by synthetic inorganic chemists and bio-inorganic chemists as models for enzymes like introgenases, their reactivity towards organic substrates remamed unexplored.

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Ramesha, A. R. "Organosulfur Reactions In Organic Synthesis With Tetrathiomolybdate." Thesis, Indian Institute of Science, 1994. http://hdl.handle.net/2005/107.

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Recent years have seen a dramatic expansion in synthetic and structural molybdenum - sulfur chemistry. The amplest binary Mo-S moiety in MO$ ion. The thromolybdates derived by sulfur substitution from the 0x0 analogue have interesting chemical properties. Although they have been studied extensively by synthetic inorganic chemists and bio-inorganic chemists as models for enzymes like introgenases, their reactivity towards organic substrates remamed unexplored.

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9

Murray, Jane. "Selective oxidation of organosulfur substrates by hydrogen peroxide." Thesis, University of York, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.428461.

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10

Savoie, Paul R. "Preparation, chemistry, and characterization of hypervalent organosulfur fluorides." Thesis, State University of New York at Albany, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=3739734.

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<p> Since the discovery of the pentafluorosulfanyl (SF<sub>5</sub>) group around the 1960s, progress in exploring the chemistry of aliphatic SF<sub> 5</sub>-containing compounds stagnated because of a lack of efficient synthetic methods. More recent developments in the preparations of SF<sub>5</sub>-containing compounds afforded easier access to these compounds, and sparked great interest in exploring their chemistry. Chapter 1 discusses the development of efficient methods used to prepare SF<sub>5</sub>-containing aliphatic compounds. </p><p> This dissertation investigates the combination o

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11

Brooks, Andrew C. "The preparation of organosulfur derived electron transfer salts." Thesis, Nottingham Trent University, 2009. http://irep.ntu.ac.uk/id/eprint/284/.

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The concept of this thesis is to effect greater control over the crystalline state of radical cation salts in order to enhance electron transport, and to allow for the incorporation of additional functionality such as optical activity or magnetism. The salts formed are based on the bis(ethylenedithio)tetrathiafulvalene (BEDT-TTF or ET) framework, and are produced using the technique of electrocrystallisation. In attempts to control the crystal packing arrangements observed, a number of approaches have been explored including the incorporation of chirality, hydrogen bonding interactions and coo

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12

Takada, Hiroya. "Novel Asymmetric Reactions of Organosulfur and Organoselenium Compounds." Kyoto University, 1999. http://hdl.handle.net/2433/181822.

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13

Serapian, Stefano. "Simulating self-assembly of organosulfur species on gold nanoparticles." Thesis, Imperial College London, 2013. http://hdl.handle.net/10044/1/24839.

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This Thesis aims to establish an accurate but computationally effective method for simulating self-assembly of organosulfurs on gold nanoparticles (AuNPs), a process resulting in their functionalisation. A second gold rush is currently rekindling chemists' interest in the synthesis of novel functionalised AuNPs: these can bear the most chemically diverse functional groups, making them employable in a wide variety of applications, from optoelectronics to catalysis. Some aspects of self-assembly remain experimentally unclear at the mechanistic and electronic levels: achieving its accurate reprod

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14

Ogunlaja, Adeniyi Sunday. "Oxidative desulfurization of fuel oils-catalytic oxidation and adsorptive removal of organosulfur compounds." Thesis, Rhodes University, 2014. http://hdl.handle.net/10962/d1013152.

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The syntheses and evaluation of oxidovanadium(IV) complexes as catalysts for the oxidation of refractory organosulfur compounds in fuels is presented. The sulfones produced from the oxidation reaction were removed from fuel oils by employing molecularly imprinted polymers (MIPs). The oxidovanadium(IV) homogeneous catalyst, [V ͥ ͮ O(sal-HBPD)], as well as its heterogeneous polymer supported derivatives, poly[V ͥ ͮ O(sal-AHBPD)] and poly[V ͥ ͮ O(allylSB-co-EGDMA)], were synthesized and fully characterized by elemental analysis, FTIR, UV-Vis, XPS, AFM, SEM, BET and single crystal XRD for [V ͥ ͮ O

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15

ASHBY, MICHAEL THOMAS. "THE NATURE OF ORGANOSULFUR LONE PAIR ORBITAL INTERACTIONS WITH TRANSITION METAL D-ORBITALS." Diss., The University of Arizona, 1986. http://hdl.handle.net/10150/183814.

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This research has been directed at the study of organosulfur frontier orbital interactions with transition metal d-orbitals. Two novel thioether complexes tricarbonyl(1,4,7-trithiacyclononane)molybdenum(O) and tricarbonyl(2,5,8-trithianonane)molybdenum(O), have been prepared and structurally characterized by single crystal x-ray crystallography. The facial configuration of the carbonyl ligands provides a unique point of reference for describing the two polythioether ligands in terms of the free ligand's frontier orbitals. The relative carbonyl stretching frequencies of the two metal complexes

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16

Chauvin, Jean-Philippe. "Elucidation of the Various Mechanisms of Antioxidant Activity of Organosulfur Compounds." Thesis, Université d'Ottawa / University of Ottawa, 2019. http://hdl.handle.net/10393/39675.

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Polysulfides, produced from olefin sulfurization, are common additives to various petroleum-derived products such as engine oils, hydraulic fluids, rubbers and polymeric materials in an effort to protect these materials from oxidative degradation. The mechanisms by which organosulfur compounds act as antioxidants are often described as ‘secondary antioxidants’ since it is believed that they slow the rate of radical initiation by decomposing hydroperoxides. Organosulfurs also figure in various natural products from the genus Allium, of which garlic is a prominent species. Our group previously s

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17

Nicolau, Manterola Felipe. "Hydrocarbon and insecticide induction of Beauveria bassiana catalysis of organosulfur compounds." Diss., University of Iowa, 2016. https://ir.uiowa.edu/etd/3151.

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Catalysts are utilized in 80% of all chemical synthesis operations. The industrial catalysts primarily used in oxidation reactions are highly polluting and expensive metal catalysts. Enzymes and whole cell biocatalysts are used to a lesser extent. Nowadays, several industrial sectors are developing bio-based technologies to reduce the high costs and environmental impact of traditional chemical processes. However, these applications are limited by the challenge of developing economically competitive biologically based systems. The key for adopting these sustainable advancements is the developme

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18

Low, Kam-hung, and 魯錦鴻. "Synthesis, structural characterization and applications of homoleptic organosulfur and organoselenium metal polymers." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B43703859.

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19

Lachance, Russell Philip. "Oxidation and hydrolysis reactions in supercritical water : chlorinated hydrocarbons and organosulfur compounds." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/33533.

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20

Smith, Muneerah. "An investigation into the anti-cancer mechanism of garlic-related organosulfur compounds." Master's thesis, University of Cape Town, 2014. http://hdl.handle.net/11427/12795.

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Includes abstract.~Includes bibliographical references.<br>Crushed garlic contains organosulfur compounds (OSC), which are reported to have cancer chemotherapeutic properties both in vitro and in vivo. A library of 15 organosulfur analogues were obtained as mechanistic probes in WHCO1 oesophageal cancer cells. Structure-activity studies showed a positive correlation between the anti-proliferative-IC50 of disulfides and the relative stability of their anion leaving groups, as assessed through resonance and quantified by predictive pKa-values.

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21

Jin, Peng. "Mechanism of Corrosion by Naphthenic Acids and Organosulfur Compounds at High Temperatures." Ohio University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1384872234.

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22

Furuta, Satoru. "Synthetic Studies on Organofluorine Compounds through Oxidative Desulfurization -Fluorination of Organosulfur Compounds." Kyoto University, 2000. http://hdl.handle.net/2433/151524.

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23

DeCoste, Jared B. "Nucleophilic chemistry of faujasite X zeolites with isocyanates, organosulfur esters, and epoxides." Diss., Online access via UMI:, 2009.

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24

Low, Kam-hung. "Synthesis, structural characterization and applications of homoleptic organosulfur and organoselenium metal polymers." Click to view the E-thesis via HKUTO, 2009. http://sunzi.lib.hku.hk/hkuto/record/B43703859.

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25

Lorance, Edward Donald. "Synthetic and computational studies on organosulfur radical cations and alpha-metalated sulfides." Diss., The University of Arizona, 2000. http://hdl.handle.net/10150/284212.

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The oxidation potentials and electrooxidation mechanism of 3,6-di substituted-1,2-dichalcogenins was investigated by cyclic voltammetry. An EC mechanism was found experimentally and the basis for the chemical step was found computationally to be a change in the planarity of the ring on electron transfer. Photoelectron spectra were obtained of 3,6-disubstituted-1,2-dichalcogenins a different ionizing photon energies. The interpretation of the photoelectron spectra was assisted by computational simulation. A narrow ionization band was found, and was assigned as the sulfur-sulfur σ orbital by com

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26

Tieman, Tamara L. "A Helium Discharge Detector for the Determination of Organosulfur and Phosphorus Compounds." W&M ScholarWorks, 1992. https://scholarworks.wm.edu/etd/1539625734.

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27

Otsuka, Shinya. "Studies on Catalytic Transformations of Organosulfur Compounds via C-S Bond Cleavage." Kyoto University, 2019. http://hdl.handle.net/2433/242625.

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28

Uhm, Hae Won. "Reaction of some chelating thioesters with chlorotris (triphenylphosphine) rhodium (I) : a model of the initial stages of hydrodesulfurization." Thesis, McGill University, 1986. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=65413.

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29

PETSOM, AMORN. "SYNTHETIC AND MECHANISTIC STUDIES ON THE ELECTROOXIDATION OF ORGANIC THIOETHERS." Diss., The University of Arizona, 1987. http://hdl.handle.net/10150/184178.

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This research has been directed at the study of neighboring group participation in electrooxidation of thioethers. Controlled potential oxidation of substituted 1,3-dithiane in wet acetonitrile provides substituted 1,2-dithiolane 1-oxide in good yield. Thioethers appended with neighboring alcohols and carboxylate are catalytically oxidized in a redox cycle by bromide ion. The formation of the alkoxysulfonium salt intermediates in such reactions is confirmed by product study. On the other hand, the acyloxysulfonium salt intermediates in the electrooxidation of endo -6-methylthio-bicyclo [2.2.1]

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30

Webb, Jared A. "A Comparative Study of Anaerobic Digestion Processes for Sewage Sludge." Thesis, Virginia Tech, 2006. http://hdl.handle.net/10919/41131.

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The Blue Plains Wastewater Treatment Plant in Washington, D.C. is in the process of updating its anaerobic digesters, with a completion date set for 2008. This research was undertaken to aid designers at Blue Plains by evaluating alternative digestion approaches. The technologies applicable to the plant included thermophilic anaerobic digestion, acid/gas phased digestion, and temperature phased anaerobic digestion. To obtain design data, a year long study was conducted using bench scale digestion systems operating at different solids retention times (SRT) and organic loading rates (OLR).

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31

Morris, Stephen Arthur. "The oxidative-addition to some organosulfur compounds to bis (ð5-cyclopentadienyl) titanium (II) dicarbonyl /." Thesis, McGill University, 1987. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=75828.

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Cp$ sb2$Ti(C))$ sb2$, where Cp = $ eta sp5$-cyclopentadienyl, reacted with RSSSR to give the catenated sulfur complexes Cp$ sb2$Ti(SR)(SSR), where R = CMe$ sb3$, CHMe$ sb2$, CH$ sb2$Ph, p-C$ sb6$H$ sb4$Me and CPh$ sb3$. These complexes, except for R = CPh$ sb3$, reacted with PhCH$ sb2$Br to give Cp$ sb2$TiBr$ sb2$, PhCH$ sb2$SR and PhCH$ sb2$SSR as major products. Cp$ sb2$Ti(SR)(SSR) desulfurized slowly in solution and rapidly in the presence of Ph$ sb3$P, giving Cp$ sb2$Ti(SR)$ sb2$ and Ph$ sb3$PS, in addition to other species. Similarly, phth-SSR, where phth = phthalimide, oxidatively added

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32

Zecchini, M. "Synthesis of new substituted organosulfur donors for the preparation of conductive and multifunctional materials." Thesis, Nottingham Trent University, 2015. http://irep.ntu.ac.uk/id/eprint/27926/.

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The work presented in this thesis focused on the preparation of three main type of compounds: i) bridged dimeric BEDT-TTF donors (chapter 2), ii) enantiopure substituted EDT-TTF donors with hydrogen bonding functionalities (chapter 3) and iii) BEDT-TTF substituted ligands and their ability to form multifunctional materials (chapter 4). In chapter 2 the preparation of novel BEDT-TTF donors containing an alkene in the side such as (I) and (II) is reported. Single crystals of oxidised material have been prepared and conductivities have been measured. A radical cation salt of (I) with I2/I3 was fo

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33

Svarovsky, Serge A. "Structure, stability and reactivity of small organic sulfinic and sulfonic acids toxicological implications ; Role of charge transfer complexes in oxidation cleavage of benzpinacols by iron (III) trispenanthroline /." Morgantown, W. Va. : [West Virginia University Libraries], 2000. http://etd.wvu.edu/templates/showETD.cfm?recnum=1231.

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34

Reese, Raymond Scott. "Self-assembled monolayers of organosulfur compounds on gold incorporating terminal conjugated arenes, redox active probes, and oligonucleotides /." Digital version accessible at:, 1998. http://wwwlib.umi.com/cr/utexas/main.

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35

Chiu, Winnie Wai Hang. "Metal complexes with sulfur and selenium donor ligands /." View abstract or full-text, 2009. http://library.ust.hk/cgi/db/thesis.pl?CHEM%202009%20CHIU.

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36

Ryan, M. Dominic (Michael Dominic). "Organopolychalcogenides, new bond energy results and synthesis via the first selenium transfer reagent." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=75753.

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Reevaluation of organosulfur heats of formation resulted in the conclusion that the sulfur-sulfur bond of aliphatic disulfides is nearly 15 Kcal/mole stronger than the disulfide carbon-sulfur bond energy. Semi-empirical calculations using AM1, MNDO and MINDO/3 from the AMPAC program package confirmed these results and clarified their relative impact on organosulfide and disulfide properties.<br>Existing organoselenium bond energy data were also reevaluated and erroneous assumptions discovered. New bond energy estimates were made via a new procedure. It was concluded that the selenium-selenium

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37

Chen, Xiangke. "Vibrational Sum Frequency Generation Studies of Biological and Atmospheric Relevant Interfaces: Lipids, Organosulfur Species and Interfacial Water Structure." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1282061999.

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38

Inami, Tasuku. "Studies on Nickel-Catalyzed Reactions via Alkyne Insertion into Carbon-Sulfur Bonds." 京都大学 (Kyoto University), 2015. http://hdl.handle.net/2433/199274.

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39

Atkinson, Sarah Jane, and n/a. "Studies in Dendritic Scaffolds and Surface Functionalisation for Applications in Nanoscience." Griffith University. School of Biomolecular and Physical Sciences, 2007. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20071122.124705.

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Chapter 1 includes a review on dendrimers, their synthesis and applications, with a particular focus on urea-linked dendritic species. The synthetic strategy utilised in this body of work was based on the preparation of a number of branched synthetic building blocks possessing differing terminal functionality. These branched dendrons, bearing three terminal residues and based on the cheap starting material tris(hydroxymethyl)aminomethane (TRIS) 23, involved the coupling of 3.3 equivalents of an appropriately para-substituted benzoic acid chloride with BOC protected TRIS 24 in DCM in the presen

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Atkinson, Sarah Jane. "Studies in Dendritic Scaffolds and Surface Functionalisation for Applications in Nanoscience." Thesis, Griffith University, 2007. http://hdl.handle.net/10072/366865.

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Chapter 1 includes a review on dendrimers, their synthesis and applications, with a particular focus on urea-linked dendritic species. The synthetic strategy utilised in this body of work was based on the preparation of a number of branched synthetic building blocks possessing differing terminal functionality. These branched dendrons, bearing three terminal residues and based on the cheap starting material tris(hydroxymethyl)aminomethane (TRIS) 23, involved the coupling of 3.3 equivalents of an appropriately para-substituted benzoic acid chloride with BOC protected TRIS 24 in DCM in the presen

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41

Souza, Frederico Bernardes de. "Síntese e funcionalização de compostos organoenxofre: sulfóxidos, sulfetos e N-sulfinil iminas." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/9/9138/tde-19102017-155658/.

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Neste trabalho promovemos a síntese de sulfóxidos vinílicos ?-substituídos através da reação de acoplamento cruzado de Suzuki-Miyaura. Também foi feita a síntese de sulfóxidos enínicos inéditos, pela adição do nucleófilo no carbono β-sulfóxido. Esses compostos eram passíveis de serem submetidos a reação de rearranjo de Pummerer aditivo e assim gerarem uma pequena biblioteca de compostos α-tioaldeídos. Um desses aldeídos sintetizados foi empregado na reação de formação de uma imina propargílica, com consequente reação de CuAAC formando iminas triazólicas. Outras iminas arílicas foram

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42

Maclellan, Paul William. "Asymmetric synthesis of tertiary thiols by lithiation of thiocarbamates." Thesis, University of Manchester, 2011. https://www.research.manchester.ac.uk/portal/en/theses/asymmetric-synthesis-of-tertiary-thiols-by-lithiation-of-thiocarbamates(ee91a5d1-63ba-458b-87bc-fd32e7c27b96).html.

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Tertiary thiols are a synthetically challenging class of compounds to prepare asymmetrically. The few reported methods for preparing these species require restrictive functionality to be incorporated into the products or are limited to employing simple carbon electrophiles. This thesis details investigations into the lithiation of N-aryl thiocarbamates. A stereoselective intramolecular arylation within lithiated thiocarbamates has been developed allowing the construction of quaternary stereocentres next to sulfur. Simple deprotection allows the isolation of enantiomerically pure tertiary thiol

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43

Hitchcock, Jessica Kaari. "The immunomodulatory effects of the garlic organosulfur compounds allicin and Z-ajoene in an in vitro murine model of LPS-induced inflammation." Master's thesis, University of Cape Town, 2015. http://hdl.handle.net/11427/15735.

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Cancer is a leading cause of death in the modern world. Chronic inflammation facilitates tumourigenesis and cancer progression by providing an environment conducive to cancer. Dysregulation of the immune response, and particularly inflammation, is an important part of this process. Garlic (Allium sativum) has been used for centuries as both a prophylactic and therapeutic medicinal agent, more recent epidemiological and experimental evidence shows that garlic has both cancer-preventative and immune system-enhancing effects. While garlic contains many bioactive compounds, garlic organosulfur co

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44

Battin, Erin E. "The role of metal coord[i]nation in the inhibition of iron(ii)- and copper(i)-mediated DNA damage by organoselenium and organosulfur compounds." Connect to this title online, 2008. http://etd.lib.clemson.edu/documents/1219862989/.

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Dannenberg, Carl A. Verfasser], Carsten [Akademischer Betreuer] [Bolm, and Dieter [Akademischer Betreuer] Enders. "Method development for the synthesis of organosulfur compounds and their functionalization by C–H activation and reductive borylation / Carl A. Dannenberg ; Carsten Bolm, Dieter Enders." Aachen : Universitätsbibliothek der RWTH Aachen, 2017. http://d-nb.info/1156924286/34.

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46

Ulivi, Paola <1975&gt. "Activity and mechanisms of action of novel organosulfur derivatives of the HDAC inhibitor Valproic Acid in human experimental models of non-small-cell lung cancer." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amsdottorato.unibo.it/6310/1/Ulivi_Paola_tesi.pdf.

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Non-small-cell lung cancer (NSCLC) represents the leading cause of cancer death worldwide, and 5-year survival is about 16% for patients diagnosed with advanced lung cancer and about 70-90% when the disease is diagnosed and treated at earlier stages. Treatment of NSCLC is changed in the last years with the introduction of targeted agents, such as gefitinib and erlotinib, that have dramatically changed the natural history of NSCLC patients carrying specific mutations in the EGFR gene, or crizotinib, for patients with the EML4-ALK translocation. However, such patients represent only about 15-20

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Ulivi, Paola <1975&gt. "Activity and mechanisms of action of novel organosulfur derivatives of the HDAC inhibitor Valproic Acid in human experimental models of non-small-cell lung cancer." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amsdottorato.unibo.it/6310/.

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Non-small-cell lung cancer (NSCLC) represents the leading cause of cancer death worldwide, and 5-year survival is about 16% for patients diagnosed with advanced lung cancer and about 70-90% when the disease is diagnosed and treated at earlier stages. Treatment of NSCLC is changed in the last years with the introduction of targeted agents, such as gefitinib and erlotinib, that have dramatically changed the natural history of NSCLC patients carrying specific mutations in the EGFR gene, or crizotinib, for patients with the EML4-ALK translocation. However, such patients represent only about 15-20

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Gomes, Sónia Maria. "Catalytic oxidation of organic compounds : a sustainable approach." Doctoral thesis, Universidade de Aveiro, 2014. http://hdl.handle.net/10773/14892.

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Doutoramento em Química<br>One of the biggest challenges for organic chemistry researchers is the development of catalytic systems able to selectively oxidize organic compounds, under mild and environmental sustainable conditions. In fact, this is a transformation which nature operates with an extraordinary ability but is of remarkable difficulty for both academia and industry. Metalloporphyrins, as biomimetic models of cytochromes P450, are thus catalysts with great potential. After the first introductory chapter, where the above-mentioned concepts are fully discussed, some general fea

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Halpern, Melissa Dale. "The in vivo and in vitro effects of diethyldithiocarbamate on autoimmune New Zealand Black/White F₁ hybrid, MRL/Mp-lpr/lpr and related and normal murine strains." Diss., The University of Arizona, 1989. http://hdl.handle.net/10150/184940.

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New Zealand Black/White F₁ hybrid (NZB/W) and MRL/Mp-lpr/lpr (MRL/lpr) mice spontaneously develop a Systemic Lupus Erythematosus-like autoimmune disease. While the primary immunologic defect in the NZB/W is due to B cells, in the MRL/lpr it is a result of T cell abnormalities. Diethyldithiocarbamate (DTC), an agent suggested to enhance T cell function, was used to treat both strains. Weekly treatment of NZB/W mice with 25 mg/kg DTC had no significant effect upon survival or autoantibody levels but did induce changes in cell surface antigen expression. MRL/lpr mice treated with DTC displayed no

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Zhu, Lei. "Aqueous phase reaction kinetics of organic sulfur compounds of atmospheric interest." Diss., Available online, Georgia Institute of Technology, 2004:, 2004. http://etd.gatech.edu/theses/available/etd-11172004-142820/unrestricted/zhu%5Flei%5F200412%5Fphd.pdf.

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Thesis (Ph. D.)--Earth and Atmospheric Sciences, Georgia Institute of Technology, 2005.<br>Davis, Douglas, Committee Member ; Huey, Greg, Committee Member ; Nenes, Athanasios, Committee Member ; Weber, Rodney, Committee Member ; Whetten, Robert, Committee Member ; Wine, Paul H., Committee Chair. Includes bibliographical references.

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