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Dissertations / Theses on the topic 'Transition metal complexes; Bisphosphines'

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Published: 4 June 2021

Last updated: 2 February 2022

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1

Long, James Maurice. "Synthesis of new axially chiral diphosphines and phosphinamines for asymmetric catalysis." Thesis, University of Oxford, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.337600.

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2

Sasakura, Kohei. "Studies on a Series of Transition Metal Complexes Derived from Alkyne-containing Bisphosphine Ligands." Kyoto University, 2020. http://hdl.handle.net/2433/254522.

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3

Jasim, Naseralla. "Transition metal bifluoride complexes." Thesis, University of York, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.323538.

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4

Barron, Andrew Ross. "Transition metal aluminohydride complexes." Thesis, Imperial College London, 1986. http://hdl.handle.net/10044/1/37935.

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5

Veighy, Clifford Robert. "Novel cyclopentadienyl transition metal complexes." Thesis, University of Southampton, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.327366.

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6

Johnson, Donald Martin. "Cyanoscorpionates and Transition Metal Complexes." Digital Commons @ East Tennessee State University, 2010. https://dc.etsu.edu/etd/1725.

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The new dihydrobis(4-cyano-3-tert-butylpyrazolylborate) ligand has been synthesized. Isolated crystals of the thallium complex were collected and structurally characterized by X-ray diffraction. Transition metal complexes of the ligand are currently under investigation.

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7

Zard, P. W. "Transition metal complexes with pyrimidinethiones." Thesis, Imperial College London, 1988. http://hdl.handle.net/10044/1/47322.

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8

Cheung, Wai Man. "Transition metal complexes with dichalcogenoimidodiphosphinate ligands /." View abstract or full-text, 2007. http://library.ust.hk/cgi/db/thesis.pl?CHEM%202007%20CHEUNG.

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9

Humphrey, Paul Andrew. "A study of transition metal complexes /." Title page, contents and summary only, 1990. http://web4.library.adelaide.edu.au/theses/09PH/09phh9262.pdf.

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10

Redfern, C. M. "Electronic structure of transition metal complexes." Thesis, University of Oxford, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.235094.

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11

Atkins, Andrew J. "Studies on transition metal macrocyclic complexes." Thesis, University of Edinburgh, 1993. http://hdl.handle.net/1842/11664.

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12

Usher, Peter I. "Electrochemical studies of transition metal complexes." Thesis, University of Edinburgh, 1995. http://hdl.handle.net/1842/11492.

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This thesis is concerned with the spectroscopic, electrochemical and spectroelectrochemical investigation of a range of transition metal species, all containing the ligand 2,2'-bipyridine (bpy). All the complexes studied exhibit rich electrochemistry and electronic absorption spectra. Chapter one details the electrochemical and spectroelectrochemical techniques used in this work, and presents a brief overview of the reasons why we study transition metal complexes in this manner. Chapter two is concerned with the solvent dependent behaviour of complexes of the form [M(bpy)<SUB>2</SUB>(CN)<SUB>2

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13

Mobbs, B. E. "Arene transition metal complexes in synthesis." Thesis, University of Oxford, 1985. http://ora.ox.ac.uk/objects/uuid:4c7030d4-297e-4af8-a622-d5b4963fc0a3.

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This thesis deals with the applications of organopalladium and organochromium chemistry to the functionalisation of the benzopyran ring system, at a variety of oxidation levels. Section I demonstrates the functionalisation of 3-, 6-, and 8-bromochromones via palladium (0) insertion into the C-Br bond. The resultant arylpalladium species are shown to undergo addition to the least substituted end of a variety of olefins including methyl acrylate, acrylonitrile and styrene. Subsequent palladium-hydride elimination leads to overall palladium catalysed vinylation of the chromone and the synthesis o

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14

Bridgewater, Brian Michael. "Sterically hindered chiral transition metal complexes." Thesis, Durham University, 1998. http://etheses.dur.ac.uk/5022/.

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This thesis describes the synthesis, characterization and study of a series of organometallic compounds which all contain the same new ligand, l-phenyl-3-methyl-4,5,6,7-tetrahydroindenyl. The ligand forms a chiral complex once coordinated, and is relatively bulky when compared with ligands such as cyclopentadienyl or 4,5,6,7-tetrahydroindenyl.Chapter one of this thesis introduces cyclopentadienyl ligand chirality, cyclopentadienyl metal complex chirality and sterically demanding cyclopentadienyl systems. The synthesis and chemistry of tetrahydroindenes and some applications of chiral cyclopent

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15

Wardell, E. M. "EXAFS studies on transition metal complexes." Thesis, University of Manchester, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.377729.

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16

Blunden, Ralph Benedict. "Novel early transition metal cyclopropenyl complexes." Thesis, University of Sussex, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.360552.

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17

Cooper, Glyn. "Photoelectron spectroscopy of transition metal complexes." Thesis, University of Oxford, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.670392.

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18

Chilton, Nicholas Frederick. "Magnetic anisotropy of transition metal complexes." Thesis, University of Manchester, 2015. https://www.research.manchester.ac.uk/portal/en/theses/magnetic-anisotropy-of-transition-metal-complexes(64b34057-8a7a-44db-a89a-22a233fdefb5).html.

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The study of magnetic anisotropy in molecular systems permeates the physical sciences and finds application in areas as diverse as biomedical imaging and quantum information processing. The ability to understand and subsequently to design improved agents requires a detailed knowledge of their fundamental operation. This work outlines the background theory of the electronic structure of magnetic molecules and provides examples, for elements across the Periodic Table, of how it may be employed to aid in the understanding of magnetically anisotropic molecules. The magnetic anisotropies of a serie

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19

Nazir, Ruqia. "Chemistry of transition metal fluoride complexes." Thesis, University of York, 2012. http://etheses.whiterose.ac.uk/2660/.

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Metal fluoride complexes that are extremely sensitive to air and water have been characterized by liquid injection field desorption/ionization (LIFDI) mass spectrometry. Dilute solutions of fluoride complexes of nickel, rhodium, titanium, zirconium, hafnium and ruthenium in toluene and tetrahydrofuran were examined by LIFDI methods on a time-of-flight mass spectrometer. All the spectra of nickel, titanium zirconium and hafnium complexes exhibited the molecular ion as base peak. The ruthenium and rhodium complexes showed loss of HF from the molecular ion as base peaks but the molecular ions wer

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20

Holder, Alan John. "Studies on transition metal macrocyclic complexes." Thesis, University of Edinburgh, 1987. http://hdl.handle.net/1842/10961.

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21

Reid, Gillian. "Studies on transition metal macrocyclic complexes." Thesis, University of Edinburgh, 1989. http://hdl.handle.net/1842/12853.

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22

Skinner, Michael E. G. "Transition metal complexes of diamide-diamine ligands." Thesis, University of Oxford, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365390.

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23

Warner, P. "Asymmetric synthesis via transition metal acyl complexes." Thesis, University of Oxford, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.355823.

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24

Hyde, T. I. "Studies of transition metal tetraaza macrocyclic complexes." Thesis, University of Edinburgh, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.652780.

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A macrocyclic ligand can be regarded as a protecting group for a metal centre, controlling its stereochemical, electronic and redox properties. These properties were examined byulilizing ten 14 membered neutral macrocycles with varying ring substituents and donor groups. A study into the insertion of the platinum metals into four tetraaza 2, 6-pyridyl macrocycles with varying carbon and nitrogen alkylation was instituted. The single crystal X-ray structures of Pd(II), Rh(III), Ru(II) and Ir(III) metal inserted complexes were determined including the species [RuL<SUP>3</SUP>(CO)Cl]<SUP>+</SUP>

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25

Geary, Elaine A. M. "Transition metal complexes as solar cell dyes." Thesis, University of Edinburgh, 2005. http://hdl.handle.net/1842/12198.

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Dye-Sensitised Solar Cells (DSSC) were first reported in the early 1990’s and function by the sensitisation of a semiconductor using a dye molecule such as organic and transition metal organometallic dyes. This thesis reports the synthesis and characterisation of transition metal dyes with applications as sensitisers in DSSC. Complexes of Ni, Pd and Pt were investigated for use in standard liquid electrolyte cells and Donor-Acceptor type solid-state solar cells. A family of [Pt(II)(diimine)(dithiolate)] complexes of general formula [Pt{X,X’(CO<sub>2</sub>R)<sub>2</sub>-bpy}(mnt)] (where X=3, 4

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26

Ball, R. J. "Redox-geometry relationships in transition metal complexes." Thesis, Queen's University Belfast, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.273126.

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27

Poyraz, Mehmet. "Valence localisation in transition metal cluster complexes." Thesis, University of East Anglia, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.389271.

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28

Grieves, R. A. "Multinuclear NMR spectroscopy of transition metal complexes." Thesis, University of Bradford, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.372167.

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29

Quelch, Geoffrey E. "Theoretical studies of some transition metal complexes." Thesis, University of Manchester, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329083.

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30

Gathergood, Nicholas Keith Peter. "Chiral cyclopentadienyl lanthanide and transition metal complexes." Thesis, University of Southampton, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.284648.

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31

Maah, M. J. "Transition metal complexes derived from phospha-alkynes." Thesis, University of Sussex, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.381631.

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32

Sheridan, J. B. "The reactions of transition metal hydrocarbon complexes." Thesis, University of Bristol, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.356238.

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33

Green, G. "Transition metal oxo-complexes as organic oxidants." Thesis, Imperial College London, 1985. http://hdl.handle.net/10044/1/37711.

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34

Keane, Theo. "Non-adiabatic effects in transition metal complexes." Thesis, University of Sheffield, 2016. http://etheses.whiterose.ac.uk/15948/.

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35

Sadler, Andrew John. "Transition metal complexes for solar fuels applications." Thesis, University of Sheffield, 2018. http://etheses.whiterose.ac.uk/22826/.

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36

Seidel, Scott William 1971. "Transition metal complexes containing chelating amido ligands." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/47411.

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37

Nilchi, A. "Selective hydrogenation catalysed by transition metal complexes." Thesis, Kingston University, 1988. http://eprints.kingston.ac.uk/20518/.

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This work is an investigation of the mechanism by which norbornadiene, methyl oleate and methyl linoleate are hydrogenated in acetone at 30[sup]oC, 1 atmosphere or 3 atmospheres pressure, using rhodium complexes of the type [Rh(diene)L[sub]n][sup]+A[sup]-(where diene = norbornadiene , L = tertiary phosphine, phosphite, A = CIO[sup]-[sub]4 or PF[sup]-[sub]6). The results were interpreted assuming three active catalyst species, (Rh(diene)L[sub]2)[sup]+, (RhH[sub]2L[sub]2)[sup]+ and RhHL[sub]2. Also investigated were the effects of adding acid (HClO[sub]4) or base (Net[sub]3) and how this altered

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38

Wilson, F. I. C. "Reactions of some dinuclear transition metal complexes." Thesis, Kingston University, 1988. http://eprints.kingston.ac.uk/20522/.

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The work in this thesis consists of three related studies. (i) Further investigations have been made into the mechanism of the photochemical reaction between (Mn[sub]2(CO)[sub]8{PBu[sub]3}[sub]2) and benzyl halides, equation 1. A previous study in these laboratories, which included an (Mn[sub]2(CO)[sub]8{PBu[sub]3}[sub]2) + PhCH[sub]2Cl -->(MnCl(CO)[sub]4PBu[sub]3) + (Mn(PhCH[sub]2)(CO)[sub]4PBu[sub]3) 1 examination of reaction kinetics, led to the suggestion that the mechanism involved CO dissociation from the manganese dimer, followed by metal-metal bond homolysis and subsequent reaction of

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39

Holmes, Kathryn E. "Structural diversity within transition metal-sulfimide complexes." Thesis, Loughborough University, 2003. https://dspace.lboro.ac.uk/2134/35645.

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S,S'-diphenylsulfimide, Ph2SNH, 1, is an excellent ligand that readily forms N-bound complexes with a range of transition metals. Its importance as a ligand is enhanced by two significant features of the resulting complexes: (1) the strong hydrogen bonding interactions between the NH unit and the counterions; and (2) the ligand's ability to stabilise unusual structural combinations. By varying the counterions, the hydrogen bonding pattern can be changed and this affects the geometry at the metal centre. The anion also plays an important role in determining the coordination number of the metal.

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40

Silber, Georg Thomas. "Molecular semiconductors based on transition metal complexes." Thesis, University of Edinburgh, 2014. http://hdl.handle.net/1842/18018.

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The field of organic, or molecular, electronics is currently dominated by both polymeric and molecular organic materials, while considerably less research efforts are devoted to transition metal based complexes. Despite this, such compounds can offer advantages including additional tuneability of the spatial distribution and energy levels of the frontier orbitals or stable paramagnetic species by manipulating the metal-ligand interactions which may be accomplished selectively modifying the ligand framework or changing the central metal. A series of Ni(II) and Cu(II) acenaphthenequinone bis(thi

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41

Lin, Bing. "Organometallic chemistry of transition metal polyyne complexes." Thesis, University of Cambridge, 1993. https://www.repository.cam.ac.uk/handle/1810/272565.

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42

Merle, Nicolas. "Transition metal complexes of chelating phosphine boranes." Thesis, University of Bath, 2006. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.426296.

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43

Meade, Thomas Joseph. "Inclusion complexes of molecular transition metal hosts /." The Ohio State University, 1985. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487262513406675.

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44

Chappell, Sarah. "Transition metal terpyridine complexes for molecular electronics." Thesis, University of Liverpool, 2014. http://livrepository.liverpool.ac.uk/2011084/.

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Currently there is a huge amount of interest in the synthesis and electrical characterisation of single molecules that have the potential for use in electronic devices. In order for this technology to move forward it is necessary to gain insights into structure-property relationships at the nanoscale, as well as a basic understanding of the charge transport through various molecular architectures. It has previously been demonstrated that the electrical properties of redox active single molecules can be investigated as a function of potential. This thesis investigates the single molecule conduc

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45

Olson, Michael David. "Pyrazolyl based ligands in transition metal complexes." Thesis, University of British Columbia, 1989. http://hdl.handle.net/2429/27610.

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Several uninegative/ multidentate pyrazolyl based ligands were synthesized [eg. HBPZ₃₋, HBpz”₃₋, MeGapz₃₋/ MeGapz” ₃₋, H2BpZ₂₋/ Me2Bpz₂₋/ Me2GapZ₂₋/ Me2Gapz"₂₋/ Me₂Gapz(OCH₂CH₂NH₂)⁻Me₂Gapz(OCH₂CH₂CH=CH₂)⁻ ; pz pyrazolyl/ pz" = 3, 5 dimethylpyrazolyl]. These ligands were reacted with the sterically hindered metal complex, HBpz*₃MCl (M = Co, Ni; pz* = 3-iPr-4-Br-pyrazolyl) and the mixed-ligand transition metal complexes of general formulae, HBpz*₃ML, were isolated. The X-ray crystal structure of one such complex, HBpz*₃Nipz"₃BH was determined showing a near octahedral arrangement of ligands abo

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46

Hyde, Timothy I. "Studies on transition metal tetraaza macrocyclic complexes." Thesis, University of Edinburgh, 1987. http://hdl.handle.net/1842/28273.

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47

Halcrow, Malcolm A. "Studies on transition metal polythia macrocyclic complexes." Thesis, University of Edinburgh, 1991. http://hdl.handle.net/1842/14961.

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An introduction to macrocyclic coordination chemistry is presented and the general aims of the project are discussed. The syntheses and structural characterisation of the dimeric bi-octahedral complexes [Ni<SUB>2</SUB>(S<SUB>4</SUB>)<SUB>2</SUB>(μ-Cl)_2]^2+ (S_4 = [12]aneS_4, [14]aneS_4, of [Ni(H_2O)_6)]^2+ by [12]aneS_4 and [16]aneS_4 is discussed: [Ni[16]aneS_4)-(OH_2)_2]^2+ exhibits a <i>trans</i>-octahedral stereochemistry by x-ray crystallography. The syntheses and characterisation of the five-coordinate complexes [Ni([9]aneS_3)(PP)]^2+ (PP = diphosphine chelate) are presented. Four compl

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48

Taylor, Anne. "Studies of transition metal thioether macrocyclic complexes." Thesis, University of Edinburgh, 1991. http://hdl.handle.net/1842/14528.

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Chapter 1: A general discussion of macrocyclic co-ordination chemistry is given, with particular emphasis on the biological and catalytic relevance of macrocyclic systems. Chapter 2: Reproducible high yield synthesis of [Au ([9]aneS<SUB>3</SUB>)<SUB>2</SUB>](PF<SUB>6</SUB>) and [Au([9]aneS<SUB>3</SUB>)<SUB>2</SUB>](BF<SUB>4</SUB>)<SUB>2</SUB> have been established. [Au([9]aneS<SUB>3</SUB>)<SUB>2</SUB>]<SUP>2</SUP>+ undergoes a one-electron oxidation to Au(III) and an irreversible reduction to Au(I). The solution e.p.r. spectrum of [Au([9]aneS<SUB>3</SUB>)<SUB>2</SUB>]<SUP>2</SUP>+ shows an iso

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49

Young, George Hansen. "Reactions of transition-metal propargyl complexes with polynuclear metal carbonyls /." The Ohio State University, 1989. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487672631602474.

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50

Liddell, Michael John. "Studies in organo-transition metal chemistry /." Title page, contents and summary only, 1989. http://web4.library.adelaide.edu.au/theses/09PH/09phl712.pdf.

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