Relevant bibliographies by topics / AuIII

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  2. Dissertations / Theses

Academic literature on the topic 'AuIII'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "AuIII"

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Dann, Thomas, Dragoş-Adrian Roşca, Joseph A. Wright, Gregory G. Wildgoose, and Manfred Bochmann. "Electrochemistry of AuII and AuIII pincer complexes: determination of the AuII–AuII bond energy." Chemical Communications 49, no. 86 (2013): 10169. http://dx.doi.org/10.1039/c3cc45984e.

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Bennett, M. A., S. K. Bhargava, F. Mohr, L. L. Welling, and A. C. Willis. "Synthesis and X-Ray Structure of a Heterovalent, Cycloaurated Pentafluorophenylgold(I)/Pentafluorophenylgold(III) Complex." Australian Journal of Chemistry 55, no. 4 (2002): 267. http://dx.doi.org/10.1071/ch02034.

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The heterovalent gold(I)/gold(III) complex [(C6F5)AuI(μ-2-Ph2PC6H3-6-Me)AuIII(C6F5){η2-(6-MeC6H3-2-PPh2)}] has been prepared and structurally characterized by X-ray crystallography. It shows square planar stereochemistry at AuIII incorporating a four-membered chelate ring and linear arrangement at AuI. The compound is a rare example of a heterovalent complex containing an aryl ligand on each gold atom.
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Barakat, Khaldoon, and Thomas R. Cundari. "Chemical and photophysical properties of AuI, AuII, AuIII, and AuI-dimer complexes." Chemical Physics 311, no. 1-2 (April 2005): 3–11. http://dx.doi.org/10.1016/j.chemphys.2004.10.017.

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Doležal, Josef, and Lumír Sommer. "HPLC of Platinum Metals and Gold Based on Their Bromo Complexes." Collection of Czechoslovak Chemical Communications 62, no. 7 (1997): 1029–42. http://dx.doi.org/10.1135/cccc19971029.

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PtII,IV, PdII, and AuIII can be separated and quantitated by HPLC in the form of ion-associates of their bromo complexes with the cetyltrimethylammonium (CTMA) cation, using the acetonitrile-water 60 : 40 system containing 0.002 mol l-1 CTMA and 0.05 mol l-1 NaBr (pH 3) as the mobile phase and detection at 240 nm. In such circumstances the detection limits for the injection of 20 μl sample are 6.7, 0.4, 0.9, and 4.3 ng for PtII, PtIV, PdII, and AuIII, respectively. Excess Fe3+, Al3+, Mg2+, Ca2+, NO3-, SO42-, and Cl- does not interfere. On-line preconcentration of the PtII,IV bromo complexes on Separon SGX RPS is recommended.
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Bennett, Martin A., Nedaossadat Mirzadeh, Steven H. Privér, Jörg Wagler, and Suresh K. Bhargava. "Trinuclear Mixed-valent Gold Complexes Derived from 2-C6F4PPh2: Phosphine Oxide Complexes of Gold(III) and an ortho-Metallated Complex of Gold(I)." Zeitschrift für Naturforschung B 64, no. 11-12 (December 1, 2009): 1463–68. http://dx.doi.org/10.1515/znb-2009-11-1229.

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Crystals of two mixed-valent gold complexes [(O2NO)AuI(μ-2-C6F4PPh2)AuIII{κ2-2-C6- F4P(O)Ph2}(μ-2-C6F4PPh2)AuI(ONO2)] (14) and [(O2NO)AuI(μ-2-C6F4PPh2)AuIII{κ3-2-C6F4- P(O)Ph(C6H4)}(μ-2-C6F4PPh2)AuI] (15) have been obtained from the reaction of the digold(I,III) complex [ClAuI(μ-2-C6F4PPh2)(κ2-2-C6F4PPh2)AuIIICl] (5) with, respectively, a small and a large excess of silver nitrate. Both complexes contain three, approximately collinear metal atoms, the central gold(III) atom being planar-coordinated by a chelate (O,C)-phosphine oxide formed by oxidation of 2-C6F4PPh2 and the carbon atoms of two bridging 2-C6F4PPh2 groups. In 14 each of the terminal gold(I) atoms is coordinated by a monodentate nitrate ion and the phosphorus atom of μ-2-C6F4PPh2, whereas in 15 the nitrate ion on one of the gold(I) atoms of 14 has been replaced by the carbon atom of a bridging C6H4 group derived by Ag+-promoted cyclometallation of a phenyl group on the neighbouring phosphine oxide
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Jones, Peter G., and Carsten Thöne. "Gold Complexes with Selenium Ligands, II [1] Preparation and Crystal Structures of the Gold Diphenylselenide Complexes Ph2SeAuCl and Ph2SeAuCl3." Zeitschrift für Naturforschung B 46, no. 1 (January 1, 1991): 50–54. http://dx.doi.org/10.1515/znb-1991-0111.

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The complexes Ph2SeAuCl (green) and Ph2SeAuCl3 (brown) are prepared by direct reaction between the diphenylselenide ligand and the corresponding gold chloride. The crystal structures confirm the presence of monomeric, linear (AuI) or square planar (AuIII) coordinated complexes with bond lengths A u(I)-Se 2.378(1), Au(III)-Se 2.445(1) Å. Short non-bonded contacts Au(I) ··· Au(I) and Au(III) ··· Cl are observed.
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Kumar, Roopender, and Cristina Nevado. "Cyclometallierte AuIII -Komplexe: Synthese, Reaktivität und physikalisch-chemische Eigenschaften." Angewandte Chemie 129, no. 8 (January 23, 2017): 2024–46. http://dx.doi.org/10.1002/ange.201607225.

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8

Reeds, Jonathan P., Mark P. Healy, and Ian J. S. Fairlamb. "Mechanistic examination of AuIII-mediated 1,5-enyne cycloisomerization by AuBr2(N-imidate)(NHC)/AgX precatalysts – is the active catalyst AuIII or AuI?" Catal. Sci. Technol. 4, no. 10 (2014): 3524–33. http://dx.doi.org/10.1039/c4cy00617h.

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9

Murray, H. H., Guillermo Garzon, Raphael G. Raptis, Anthony M. Mazany, Leigh C. Porter, and John P. Fackler. "Sulfur-containing gold(III) chelates and their use in heterovalent dimer synthesis: crystal structures of AuIII[CH2P(S)Ph2]2Br, [AuIII[S2P(OH)Ph]2]Cl, and AuIII[CH2P(S)Ph2][S2CN(Et)2]2." Inorganic Chemistry 27, no. 5 (March 1988): 836–42. http://dx.doi.org/10.1021/ic00278a018.

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10

Ishikawa, A., M. Kurasawa, S. Kitahara, A. Sasane, N. Kojima, and R. Ikeda. "A 35Cl NQR Study on Cs2[AUICl2] [AuIIICl4]." Zeitschrift für Naturforschung A 53, no. 6-7 (July 1, 1998): 590–94. http://dx.doi.org/10.1515/zna-1998-6-751.

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Abstract A pair of 35Cl NQR spin echo signals has been observed for the mixed valence complex Cs2 [AuICl2] [AuIIICl4] between 77 and 243 K. At 77 K, two resonance lines with the half widths ΔvQ ~ 50 kHz were located at vQ1 = 17.28 MHz for the AuI-Cl chlorine and at vQ2 = 27.10 MHz for the AuIII -Cl chlorine in accordance with the crystal structure. The chlorine ionic characters of the AuI-Cl and AuIII-Cl bonds are estimated as 0.63 and 0.42, respectively. The central gold atom carries a fractional protonic charge of 0.26 in [AuICl2]- and 0.68 in [AuIIICl4]-. The charge distributions in the complex anions differ insignificantly from those in the isolated [AuCl2]- and [AuCl4]- for ordinary complexes, indicating that the charge transfer interactions between the anions are weak in the mixed valence complex. The observed linear temperature dependencies of VQ and log TlQ are well explained by the lattice vibration. When the temperature was increased from 77 K, the resonance lines became gradually weak without changing ΔvQ and immeasurable above 215 K. ESR spectra taken at various temperatures revealed the presence of paramagnetic sites of ca. 5 x 1020 mol- 1 arising from Au(II). The small but finite concentration of Au(II) or some other reason should be responsible for the fade out phenomenon and the large ΔvQ observed.
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Dissertations / Theses on the topic "AuIII"

1

Jean-Baptiste, dit Dominique François. "Synthèse et caractérisations physico-chimiques de complexes métalliques comportant des ligands multidentes bis(carbène N-hétérocyclique) fonctionalisés : évaluation catalytique en couplage de Suzuki-Miyaura." Toulouse 3, 2008. http://thesesups.ups-tlse.fr/347/.

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La découverte de complexes métalliques de carbènes N-hétérocycliques (CNH) et de CNHs stables et isolables, a soulevé un intérêt grandissant en chimie de coordination et en catalyse. Pour notre part, nous avons développé de nouveaux ligands bis-CNH fonctionalisés (amide ou alcool) multidentes. Les proligands (sels de bis(imidazolium) à pont flexible ou rigide) sont obtenus par des voies synthétiques courtes et modulables. Des complexes d'AuI, PdII et NiII ont été obtenus, par transmétallation de précurseurs d'AgI, ou par complexation directe des proligands en présence d'une base. L'oxydation chimique des complexes d'AuI a conduit aux complexes d'AuIII. Les complexes d'AuI et NiII ont été structuralement caractérisés par diffraction des RX et les propriétés électrochimiques et photophysiques des complexes d'AuI et d'AuIII ont été étudiées. Enfin, les complexes de NiII et PdII ont été évalués en réaction de couplage de Suzuki-Miyaura, montrant une activité modérée
Since the pioneer work on metal N-heterocyclic carbenes (NHCs) and the isolation of free thermally stable NHCs, intensive activity research has been focused on the organometallic chemistry of this class of ligands. In this context, we decided to design a new class of amide or alcohol-N-functionalised bis(NHC) ligands. Diimidazolium salt precursors linked together by flexible or rigid, were obtained following short and modular synthetic pathways. Gold(I), Gold(III), Palladium(II) and Nickel(II) complexes were prepared following the carbene-transfer route of silver(I) precursors or by direct metallation of azolium salts in the presence of a mild base. Gold(I) and Ni(II) complexes have been characterized by single crystal X-ray diffraction analyses and the electrochemical and luminescence properties of the Au(I) and Au(III) compounds have been studied. Finally, the catalytic activities of Ni(II) and Pd(II) NHC complexes were evaluated in the Suzuki-Miyaura cross-coupling
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2

Li, Chi-kwan, and 李志君. "Gold(I) and Gold(II) phosphine complexes exhibiting weak AuI... AuI interactions and unsupported AuII-AuII bonds: syntheses, spectroscopy, host-guest chemistry and reactivity studies." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2002. http://hub.hku.hk/bib/B31243332.

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Li, Chi-kwan. "Gold(I) and Gold(II) phosphine complexes exhibiting weak AuI ... AuI interactions and unsupported AuII-AuII bonds : syntheses, spectroscopy, host-guest chemistry and reactivity studies /." Hong Kong : University of Hong Kong, 2002. http://sunzi.lib.hku.hk/hkuto/record.jsp?B25155295.

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