European Journal of Inorganic Chemistry

Cover image for Vol. 2010 Issue 30

October 2010

Volume 2010, Issue 30

Pages 4735–4891

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Short Communications
    6. Full Papers
    1. A Novel Water-Soluble Hexanuclear Bismuth Oxido Cluster – Synthesis, Structure and Complexation with Polyacrylate (Eur. J. Inorg. Chem. 30/2010)

      Linda Miersch, Tobias Rüffer, Heinrich Lang, Steffen Schulze, Michael Hietschold, Dirk Zahn and Michael Mehring

      Version of Record online: 12 OCT 2010 | DOI: 10.1002/ejic.201090091

  2. Graphical Abstract

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Short Communications
    6. Full Papers
  3. News

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Short Communications
    6. Full Papers
  4. Short Communications

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Short Communications
    6. Full Papers
    1. Mesoporous Materials

      Preparation of Mesoporous ZnO/Zn(OH)2 Spheres and Their Replication to High Surface TiO2 Materials (pages 4747–4751)

      Yong-Kyung Hwang, Tae-Hwan Kwon, Sung Soo Park, Yeo-Joo Yoon, Yong Sun Won and Seong Huh

      Version of Record online: 22 SEP 2010 | DOI: 10.1002/ejic.201000742

      Thumbnail image of graphical abstract

      Mesoporous ZnO/Zn(OH)2 composite spheres with high crystallinity were prepared and subsequently used as a hard template for the preparation of crystalline mesoporous TiO2, which showed a largesurface area (202 m2 g–1) and a good photocatalytic activity for the decomposition of methyl orange in an aqueous solution under UV irradiation.

    2. Ru Catalysis

      Imidazolium-Oxazoline Salts in Ruthenium-Catalyzed Allylic Substitution and Cross Metathesis of Formed Branched Isomers (pages 4752–4756)

      Hamed Ben Ammar, Bechir Ben Hassine, Cédric Fischmeister, Pierre H. Dixneuf and Christian Bruneau

      Version of Record online: 20 SEP 2010 | DOI: 10.1002/ejic.201000718

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      NHC-oxazoline ligands associated to the Cp*RuII moiety generate catalysts that orientate the nucleophilic allylic substitution of cinnamyl chloride by phenols towards the regioselective formation of branched products, which, on reaction with Hoveyda(II) catalyst, lead to cross metathesis, and unsaturated functional compounds.

    3. Mechanism Revealed

      Platinum Complex Catalyzed Decomposition of Formic Acid (pages 4757–4761)

      Timo Paul Rieckborn, Elvira Huber, Emine Karakoc and Marc Heinrich Prosenc

      Version of Record online: 20 SEP 2010 | DOI: 10.1002/ejic.201000879

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      Pt-catalyzed formic acid decomposition in diluted solution yielded dihydrogen at 35 °C. The reaction path was investigated by isotopic labeling studies and DFT calculations revealing a β-H transfer of the intermittent formato ligand to the metal center.

  5. Full Papers

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Short Communications
    6. Full Papers
    1. Bismuth Oxido Composites

      A Novel Water-Soluble Hexanuclear Bismuth Oxido Cluster – Synthesis, Structure and Complexation with Polyacrylate (pages 4763–4769)

      Linda Miersch, Tobias Rüffer, Heinrich Lang, Steffen Schulze, Michael Hietschold, Dirk Zahn and Michael Mehring

      Version of Record online: 20 SEP 2010 | DOI: 10.1002/ejic.201000753

      Thumbnail image of graphical abstract

      The novel water-soluble bismuth oxido cluster [Bi6O4(OH)4(OTf)6(CH3CN)6]·2CH3CN (1) was obtained by modification of [Bi6O4(OH)4](NO3)6·H2O with CF3SO3H. The synthesis, crystal structure, and complexation behavior of 1 towards polyacrylate were studied by methods including molecular dynamics simulations.

    2. Guanidine Ligands

      Mono- and Dinuclear NiII and CoII Complexes that Feature Chelating Guanidine Ligands: Structural Characteristics and Molecular Magnetism (pages 4770–4782)

      Pascal Roquette, Carolin König, Olaf Hübner, Arne Wagner, Elisabeth Kaifer, Markus Enders and Hans-Jörg Himmel

      Version of Record online: 24 AUG 2010 | DOI: 10.1002/ejic.201000315

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      Chelating guanidines with an aromatic backbone have been used as ligands in a number of mono- and dinuclear NiII andCoII complexes. The structures and properties of the complexes are evaluated.

    3. C–H Acidity

      The First Cyanomethyl Complex of Gold, Synthesized by Reaction of a AuI Complex with Acetonitrile in the Presence of a New Guanidine N-Superbase (pages 4783–4789)

      Dimitri Emeljanenko, Anastasia Peters, Viktoriia Vitske, Elisabeth Kaifer and Hans-Jörg Himmel

      Version of Record online: 26 AUG 2010 | DOI: 10.1002/ejic.201000691

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      The first cyanomethyl complex of gold, synthesized by reaction between an AuI complex and acetonitrile in the presence of a new guanidine N-superbase C–H bond activation of acetonitrile by AuI in combination with a newly designed nitrogen base leads to the first structurally characterized (cyanomethyl)gold complex.

    4. Redox Reactivity of Divalent Osmium

      Redox and Lewis Acid Reactivity of Unsaturated OsII (pages 4790–4800)

      Nikolay Tsvetkov, Maren Pink, Hongjun Fan, Joo-Ho Lee and Kenneth G. Caulton

      Version of Record online: 7 SEP 2010 | DOI: 10.1002/ejic.201000503

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      Synthesis of [(PNP)OsI] {PNP = (tBu2PCH2SiMe2)2N} shows this paramagnetic 14-valence electron species to rapidly add H2 or ethylene, and to split O2 rapidly at –78 °C to give the hexavalent species illustrated, [(PNP)Os(O)2I]; reaction of [(PNP)OsI] with O-atom transfer reagents gives a product of transposition of amide N with O, [(POP)Os(N)I].

    5. Inorganic Crystal Engineering

      The First Observation of the E,Z Configuration Of Ar–X–N=S=N–X–Ar (X = S, Se) Chains in the Crystalline State (pages 4801–4810)

      Arkady G. Makarov, Irina Yu. Bagryanskaya, Yuri V. Gatilov, Natalia V. Kuratieva, Alexander Yu. Makarov, Makhmut M. Shakirov, Alexey V. Alexeyev, Karla Tersago, Christian Van Alsenoy, Frank Blockhuys and Andrey V. Zibarev

      Version of Record online: 24 AUG 2010 | DOI: 10.1002/ejic.201000607

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      The unique E,Z configuration of the title compounds in the crystal is observed for Ar = 3-ClC6F4 and X = Se – in the presence of eleven Z,Z configurations found by XRD for various Ar and X groups in the hydrocarbon and fluorocarbon series – and explained by specific intermolecular Se···Cl and F···Cl interactions. (Colour code: grey – C, green – Cl, light green – F, blue– N, orange – S, magenta – Se.)

    6. C–C Coupling

      Planar Chiral P,O-Compounds Derived from Ferrocenyl Aryl Ethers (pages 4811–4821)

      Dieter Schaarschmidt and Heinrich Lang

      Version of Record online: 3 SEP 2010 | DOI: 10.1002/ejic.201000722

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      Planar chiral P,O-ferrocenes are excellent ligands in the palladium-mediated C–C coupling of aryl halides and aryl boronic acids. They allow either the conversion ofunreactive substrates or reactions to be performed at low catalyst levels. Moreover, multiply ortho-substituted biaryls are accessible under mild conditions.

    7. Metal-Organic Complexes

      Preparation, Crystal Structure, and Properties of Five Metal-Organic Complexes Based on a Triangular Nonplanar Carboxylate Ligand (pages 4822–4830)

      Haiyan He, Handong Yin, Daqi Wang, Huiqing Ma, Guoqing Zhang and Daofeng Sun

      Version of Record online: 3 SEP 2010 | DOI: 10.1002/ejic.201000364

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      Five metal-organic complexes with four topological structures have been synthesized and characterized based on a nonplanar triangular carboxylate ligand.

    8. Molecular Nanoclusters

      Synthesis, Structures and Electrochemistry of New Carbonylnickel Octacarbide Clusters: The Distorting Action of Carbide Atoms in the Growth of Ni Cages and the First Example of the Inclusion of a Carbon Atom within a (Distorted) Ni Octahedral Cage (pages 4831–4842)

      Alessandro Bernardi, Cristina Femoni, Maria Carmela Iapalucci, Giuliano Longoni, Stefano Zacchini, Serena Fedi and Piero Zanello

      Version of Record online: 24 AUG 2010 | DOI: 10.1002/ejic.201000443

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      High-nuclearity (carbonyl)Ni–Cd octacarbides – displaying highly distorted metal cages, polyhydride nature and marked redox activity – have been obtained. The molecular nature of these compounds at the borderline with colloidal nanoparticles has been assessed by combined structural, spectroscopic and electrochemical studies.

    9. Electron Transfer

      Photoinduced Processes in Fluorene-Bridged Rhenium–Phenothiazine Dyads – Comparison of Electron Transfer Across Fluorene, Phenylene, and Xylene Bridges (pages 4843–4850)

      Mathieu E. Walther, Jakob Grilj, David Hanss, Eric Vauthey and Oliver S. Wenger

      Version of Record online: 10 SEP 2010 | DOI: 10.1002/ejic.201000645

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      The kinetics of a 15 Å electron-transfer step from phenothiazine to a photoexcited rhenium complex depends strongly on the covalent linker between the two redox partners.

    10. Building Block Approach

      A Triple-Decker Heptadecanuclear (CuII)15(CrIII)2 Complex Assembled from Pentanuclear Metallacrowns (pages 4851–4858)

      Anna V. Pavlishchuk, Sergey V. Kolotilov, Matthias Zeller, Laurence K. Thompson, Igor O. Fritsky, Anthony W. Addison and Allen D. Hunter

      Version of Record online: 7 SEP 2010 | DOI: 10.1002/ejic.201000367

      Thumbnail image of graphical abstract

      The heptadecanuclear complex {[Cu5(ahpha)4]3[Cr(C2O4)3]2·14H2O} was obtained starting from a pentanuclear metallacrown. Magnetic properties of the compound are dominated by exchange interactions within the Cu5 building block.

    11. Models for Metal-Mediated Base Pairs

      Silver(I) and Mercury(II) Complexes with 1-Methyl-1,2,4-triazole as Models for Metal-Mediated Base Pairs – Formation of Discrete Complexes in Solution vs. One- and Two-Dimensional Coordination Polymers in the Solid State (pages 4859–4864)

      Dominik A. Megger, Jutta Kösters, Alexander Hepp and Jens Müller

      Version of Record online: 26 AUG 2010 | DOI: 10.1002/ejic.201000509

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      The metal ion coordination behaviour of1-methyl-1H-1,2,4-triazole, serving as a model for the artificial 1,2,4-triazole nucleoside, has been determined. In solution, the 2:1 stoichiometry necessary for the formation of metal-mediated base pairs is adopted. In accordance with stability constants, one- and two-dimensional cationic coordination polymers are observed in the solid state.

    12. Layered Phosphonates

      Orientation of Second-Harmonic-Generation-Active Phenylsulfonyl Chromophores Attached on Layered Lead(II) Phosphonates (pages 4865–4869)

      Zi-Yi Du, Yu-Hui Sun, Xiang Xu, Guo-Hai Xu and Yong-Rong Xie

      Version of Record online: 7 SEP 2010 | DOI: 10.1002/ejic.201000549

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      Two lead(II) phosphonates, [Pb3(Ph–SO2–CH2–PO3)2X2(H2O)] [X = Cl (1) and Br (2)] were synthesized by hydrothermal reactions. The two isostructural compounds exhibit a lamellar structure with phenylsulfonyl chromophores orienting unilaterally on the inorganic layer of [Pb3(PO3)2X2(H2O)]. These compounds show second harmonic generation responses comparable to that of KDP (KH2PO4).

    13. Azide Binding to a NOR Model

      Spectroscopic Characterization and Competitive Inhibition Studies of Azide Binding to a Functional NOR Model (pages 4870–4874)

      Ying Yang, Abhishek Dey and Richard A. Decréau

      Version of Record online: 2 SEP 2010 | DOI: 10.1002/ejic.201000566

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      Azide binding to a functional nitric oxide reductase (NOR) model has been investigated in its mixed-valence (LFeIIIFeII) and fully oxidized (LFeIIIFeIII) forms by FTIR and EPR. The reactivity of nitric oxide with the model compounds in the presence of excess azide supports the proposal that a bis-ferrous instead of a mixed-valence state is the active form of NOR.

    14. Oxygen-Sensitive Ir(III) Emitters

      Structure–Property Relationship of Red- and Green-Emitting Iridium(III) Complexes with Respect to Their Temperature and Oxygen Sensitivity (pages 4875–4885)

      Nan Tian, Daniel Lenkeit, Simon Pelz, Lorenz H. Fischer, Daniel Escudero, Ralf Schiewek, Dennis Klink, Oliver J. Schmitz, Leticia González, Michael Schäferling and Elisabeth Holder

      Version of Record online: 26 AUG 2010 | DOI: 10.1002/ejic.201000610

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      A comparison of the emission intensity of heteroleptic IrIII complexes with unsymmetrical architecture to symmetrical homoleptic IrIII complexes reveals a clear influence by applying changes to temperatureand pressure. A general structure–property relationship of oxygen-sensitive IrIII emitters is described by correlating their superior oxygen sensitivity to enhanced phosphorescence lifetimes.

    15. Azulene Chemistry

      Synthesis, Properties, and Redox Behavior of Ferrocene-Substituted Bis(3-methylthio-1-azulenyl)methylium Ions (pages 4886–4891)

      Taku Shoji, Junya Higashi, Shunji Ito and Noboru Morita

      Version of Record online: 2 SEP 2010 | DOI: 10.1002/ejic.201000560

      Thumbnail image of graphical abstract

      Novel ferrocene-substituted bis(3-methylthio-1-azulenyl)methylium ions 5+ and 6+ were synthesized. The redox behavior of 5+ and 6+ was examined by cyclic voltammetry and differential pulse voltammetry, which revealed their amphoteric multistep redox properties. These cations exhibited a significant color change under electrochemical reduction conditions, which was revealed by visible spectroscopy.

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