Thèses sur le sujet « Metal-mediated »
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Howgego, David Christopher. « Metal-mediated molecular machines ». Thesis, University of Edinburgh, 2013. http://hdl.handle.net/1842/7619.
Texte intégralButters, Christopher. « Metal mediated organic transformations ». Thesis, University of Bath, 1995. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.260230.
Texte intégralTrussell, Stephen John. « Transition metal-mediated organosilicon chemistry ». Thesis, Imperial College London, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.298136.
Texte intégralLindup, Richard J. « Metal-mediated borylation of fluorocarbons ». Thesis, University of York, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.434017.
Texte intégralBaxter, John S. « Transition metal mediated annulation reactions ». Thesis, University of Bristol, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.324243.
Texte intégralWarner, Benjamin Peter. « Mechanisms of metal-mediated cyclizations ». Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/36008.
Texte intégralEriksson, Ludvig. « Transition Metal Mediated Transformations of Carboranes ». Doctoral thesis, Uppsala University, Organic Chemistry, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-3324.
Texte intégralThis thesis describes the use of copper and palladium to mediate transformations of carboranes, especially p-carborane.
1-(1-p-carboranyl)-N-methyl-N-(2-butyl)-3-isoquinolinecarboxamide, a carborane containing analogue of the peripheral benzodiazepine receptor (PBR) ligand PK11195, has been synthesised. A key step in the reaction is the copper (I) mediated coupling of p-carborane with ethyl 1-bromo-isoquinoline-3-carboxylate.
p-Carborane has been arylated on the 2-B-atom in high yields, using the Suzuki–Miyaura reaction. Thus the reaction between 2-I-p-carborane and various arylboronic acids [1-naphthyl-, phenyl-, 4-MeO-C6H4-, 3-CH3CONH-C6H4-, 4-NC-C6H4-, 3-NO2-C6H4-], gave the corresponding 2-aryl-p-carboranes in DME solution when reacted in the presence of cesium fluoride and the catalytic Pd2(dba)3–dppb system. Under the same conditions, the boron-boron bond forming reaction of two p-carboranylboronic esters (2-[(pinacolato)boron]-p-carborane and 2-[(neopentyl glycolato)boron]-p-carborane) was also shown feasible.
p-Carborane has been vinylated on the 2-B-atom in high yields by use of the Heck reaction. The coupling between 2-I-p-carborane and various styrenes [4-H-, 4-C6H4-, 4-Cl , 4-Br-, 4-NO2-, 4-CH3O- and 4 CH3 ] resulted in the formation of the correspondingtrans-β-(2-B-p-carboranyl) styrene in DMF solution when reacted in the presence of silver phosphate and the palladacycle Herrmann´s catalyst. The reaction was shown to proceed at higher rate with electron rich than with electron deficient olefins.
The feasibility of palladium-catalysed isotopic exchange of an iodinated closo-carborane with a radioisotope of iodine has been studied. 2-I-p-carborane was selected as a model compound. It was shown, that such isotopic exchange is possible and provides a high yield (83 ± 4.2 %) during 40 min long reaction. The reaction conditions were optimised, and it was demonstrated that presence of the tetra n-butylammonium hydrogensulphate is important in order to stabilise catalyst and provide reproducibility of labelling. In this work we have modified the methodology and extended the application to a wider range of iodinated carboranes. By the use of Herrmann’s catalyst in toluene at 100 °C this [125I]-iodide labelling could be improved and extended. 2-I-p- 9-I-m-, 9-I-o-, 3-I-o-carborane, 1-phenyl-3-I-o-carborane and 1,2-diphenyl-3-I-o-carborane could be [125I]-iodide labelled in high to excellent yields within 5 minutes.This reported palladium catalyzed radio-iodination of the uncharged closo-carboranes might find use in pharmacokinetic studies of carborane derivatives.
McAlonan, Helena M. « Transition metal mediated approaches to pumiliotoxins ». Thesis, Queen's University Belfast, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.318792.
Texte intégralShaw, Graham Andrew. « Solvent mediated synthesis of metal chalcogenides ». Thesis, University College London (University of London), 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326065.
Texte intégralHunter, Rupert Alexander. « Transition metal mediated synthesis of heterocycles ». Thesis, University of Southampton, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.402426.
Texte intégralStenton, Benjamin James. « Metal mediated mechanisms of drug release ». Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/284402.
Texte intégralIENGO, ELISABETTA. « METAL-MEDIATED SUPRAMOLECULAR ASSEMBLIES OF PORPHYRINS ». Doctoral thesis, Università degli studi di Trieste, 2002. http://thesis2.sba.units.it/store/handle/item/12433.
Texte intégralGuillo, Nathalie Christine Monique Marie. « Aspects of transition metal-mediated organic synthesis ». Thesis, Imperial College London, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.267885.
Texte intégralKeen, Stephen Philip. « Metal-mediated manipulation of #alpha#-amino acids ». Thesis, Imperial College London, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299177.
Texte intégralMarco, Maria. « Methodology development for traditionally metal-mediated transformations ». Thesis, King's College London (University of London), 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.407594.
Texte intégralRamsay, Donna Louise. « Alkali-metal-mediated cleave and capture chemistry ». Thesis, University of Strathclyde, 2015. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=25765.
Texte intégralHuang, Xin. « Theoretical studies on transition metal mediated reactions / ». View abstract or full-text, 2004. http://library.ust.hk/cgi/db/thesis.pl?CHEM%202004%20HUANG.
Texte intégralFilippov, Igor 1971. « Metal-mediated hydrodenitrogenation catalysis : Designing new models ». Diss., The University of Arizona, 1998. http://hdl.handle.net/10150/282749.
Texte intégralPawar, Lokesh. « Metal mediated intramolecular transformations of pyridine substrates ». Diss., University of Iowa, 2013. https://ir.uiowa.edu/etd/5040.
Texte intégralMinatoya, Machiko Buszek Keith R. « New electrophilic partners for metal-mediated coupling reactions ». Diss., UMK access, 2007.
Trouver le texte intégral"A thesis in chemistry." Typescript. Advisor: Keith R. Buszek. Vita. Title from "catalog record" of the print edition Description based on contents viewed Dec. 18, 2007 Includes bibliographical references (leaves 46-51). Online version of the print edition.
Young, Mary Jane. « Phosphate diester cleavage mediated by transition metal complexes ». Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=40473.
Texte intégralCopper(II) complexes of bis(2-pyridylmethyl)amine (Cu(II)bpa), N-(2-hydroxyethyl)bis(2-pyridylmethyl)amine (Cu(II)hebpa) and N-(3-hydroxypropyl)bis(2-pyridylmethyl)amine (Cu(II)hpbpa) have been synthesized and their reactivities and mechanisms for cleaving bis(2,4-dinitrophenyl) phosphate (BDNPP) have been investigated. Cu(II)hpbpa is observed to be the most reactive (k = 7.2 $ times$ 10$ sp{-1}$ M$ sp{-1}$ s$ sp{-1}$ at 25$ sp circ$C, pH 8.8) for cleaving BDNPP followed by Cu(II)bpa (k = 2.0 $ times$ 10$ sp{-2}$ M$ sp{-1}$ s$ sp{-1}$) and Cu(II)hebpa (k = 2.0 $ times$ 10$ sp{-2}$ s$ sp{-1}$). HPLC product analyses indicated that Cu(II)hpbpa cleaves BDNPP mostly through transesterification while the complexes Cu(II)bpa and Cu(II)hebpa cleave BDNPP predominantly by hydrolysis. The differences in the mechanisms and the reactivities are explained in terms of the differences in the structures of the three copper(II) complexes.
Copper(II) complexes of 1,8-bis(1,4,7-triazacyclononyl-N-methyl)naphthalene (tntn), 1,4,7-triazacyclononane (tacn), and N-benzyl-1,4,7-triazacyclononane (btacn) have been prepared and their reactivities compared for cleaving RNA. The novel dinuclear copper(II) complex, Cu(II)$ sb2$tntn, is observed to be 200-500 fold faster per metal center than the mononuclear copper(II)complexes, Cu(II)tacn and Cu(II)btacn, for cleaving a diribonucleotide, ApA, and its cyclic phosphate intermediate, $2 sp prime3 sp prime$-cAMP. Cu(II)$ sb2$tntn (2.0 mM) reduces the half life of ApA (0.05 mM) to 50 minutes (pH 6, 50$ sp circ$C); this represents a rate acceleration of approximately 10$ sp5$ fold over the background hydroxide rate. The half life of $2 sp prime3 sp prime$-cAMP (0.05 mM) is decreased to 4 minutes in the presence of Cu(II)$ sb2$tntn (2.0 mM, pH 6, 25$ sp circ$C); this represents a rate acceleration of about 10$ sp8$ fold over the background hydroxide rate.
Lawson, Iain M. « Transition metal mediated synthesis of biologically important heterocycles ». Thesis, University of Newcastle Upon Tyne, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.427320.
Texte intégralRussell, Claire. « New metal-mediated regio- and stereoselective organic processes ». Thesis, University of Strathclyde, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.436102.
Texte intégralHogg, Lorna. « Alkali-metal-mediated metallations with emphasis on zincations ». Thesis, University of Strathclyde, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.501820.
Texte intégralPfrunder, Michael Craig. « Halogen bond mediated crystal engineering of metal complexes ». Thesis, Queensland University of Technology, 2014. https://eprints.qut.edu.au/71083/1/Michael_Pfrunder_Thesis.pdf.
Texte intégralFergani, Hadi. « Metal-atom-mediated chemical transformations, the reaction of group 13 metal atoms with arenes ». Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0017/MQ46480.pdf.
Texte intégralAgarwal, Sameer. « Transition Metal-Mediated Syntheses of Yohimbane and Indolizidine Alkaloids ». Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2005. http://nbn-resolving.de/urn:nbn:de:swb:14-1119360417222-39155.
Texte intégralSwift, Michael D. « Investigation of metal mediated reactions for natural product synthesis ». Thesis, University of Glasgow, 2009. http://theses.gla.ac.uk/621/.
Texte intégralBrown, John Alexander. « Emerging novel systems for selective metal-mediated organic synthesis ». Thesis, University of Strathclyde, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.435122.
Texte intégralJiang, Quan. « Computational Studies of Catalysis Mediated by Transition Metal Complexes ». Thesis, University of North Texas, 2019. https://digital.library.unt.edu/ark:/67531/metadc1505187/.
Texte intégralLiang, Shengwen. « Nitrene Transfer Reactions Mediated by Transition Metal Scorpionate Complexes ». Ohio University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1339005115.
Texte intégralArbour, Jannine Louise. « Metal-mediated intramolecular hydroamination and hydro(acy)alkoxylation reactions ». Thesis, Imperial College London, 2012. http://hdl.handle.net/10044/1/9203.
Texte intégralSparkes, Robert P. « Carbocations in palladium crystals ». Thesis, University of Oxford, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.249213.
Texte intégralWang, Long [Verfasser]. « The transition metal-mediated N-functionalizations of sulfoximines / Long Wang ». Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2014. http://d-nb.info/105216062X/34.
Texte intégralDabb, Serin Lloyd Chemistry Faculty of Science UNSW. « Hydrazine in late transition metal-mediated N-C bond formation ». Publisher:University of New South Wales. Chemistry, 2008. http://handle.unsw.edu.au/1959.4/41428.
Texte intégralIllesinghe, Jayamini P. M. « Synthesis and use of nitrogen heterocycles in metal mediated reactions ». Monash University, School of Chemistry, 2004. http://arrow.monash.edu.au/hdl/1959.1/9637.
Texte intégralPawlikowski, Andrew V. « Developments in late metal-mediated C-N bond forming reactions / ». Thesis, Connect to this title online ; UW restricted, 2006. http://hdl.handle.net/1773/8489.
Texte intégralZhang, Xin-Hao. « Theoretical studies on the mechanistic aspects of metal mediated reactions / ». View abstract or full-text, 2007. http://library.ust.hk/cgi/db/thesis.pl?CHEM%202007%20ZHANG.
Texte intégralSalacinski, Henryk Julian. « Studies of biologically relevant metal mediated routes for radical generation ». Thesis, Queen Mary, University of London, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299697.
Texte intégralChabrol, Virginie. « Functionalized latex particles as substrates for metal mediated radical polymerization ». Phd thesis, Université Claude Bernard - Lyon I, 2012. http://tel.archives-ouvertes.fr/tel-01012004.
Texte intégralPearson, Colin Matthew. « Strategic application of transition metal-mediated methods in organic synthesis ». Thesis, University of Strathclyde, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.435134.
Texte intégralBlair, Victoria L. « Advances in alkali-metal-mediated manganation and comparisons with magnesiation ». Thesis, University of Strathclyde, 2010. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=12391.
Texte intégralCampbell, Ross. « Alkali metal mediated bimetallic main group and transition organometallic chemistry ». Thesis, University of Strathclyde, 2012. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=16944.
Texte intégralBhushan, Bhaskar. « Unnatural amino acids as metal-mediated probes of biological function ». Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:4b1cbed6-1151-4b9f-ad97-aa5765cc9384.
Texte intégralPereira, Fernanda Antonia. « Controlled folding and conformational switching in metal-mediated DNA constructs ». Doctoral thesis, Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2016. http://hdl.handle.net/11858/00-1735-0000-0023-3DB9-8.
Texte intégralZhang, Yu. « Visible Light-Mediated Metal-Free Photocatalytic Oxidative Reactions and Cycloadditions ». Doctoral thesis, Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2020. http://hdl.handle.net/21.11130/00-1735-0000-0005-14EF-8.
Texte intégralStrozier, Joseph Lee Jr. « Halogen Mediated De-Interpenetration of Interpenetrated Zn Metal Organic Frameworks ». Youngstown State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1587657198606781.
Texte intégralAndo, Tsuyoshi. « DESIGN AND MECHANISM OF TRANSITION METAL-MEDIATED LIVING RADICAL POLYMERIZATION ». Kyoto University, 2000. http://hdl.handle.net/2433/180981.
Texte intégralWard, William, et William Ward. « Metal Ion-Mediated Folding and Catalysis of the Hammerhead Ribozyme ». Thesis, University of Oregon, 2012. http://hdl.handle.net/1794/12375.
Texte intégralGillespie, Derek A. « Novel N-Heterocyclic carbenes as ligands for metal-mediated asymmetric processes ». Thesis, University of Bristol, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.492558.
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