European Journal of Inorganic Chemistry

Cover image for Vol. 2011 Issue 8

March 2011

Volume 2011, Issue 8

Pages 1177–1332

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Microreview
    6. Short Communication
    7. Full Papers
    1. Molybdenum and Tungsten Oxidoreductase Models (Eur. J. Inorg. Chem. 8/2011)

      Carola Schulzke

      Article first published online: 1 MAR 2011 | DOI: 10.1002/ejic.201190021

  2. Graphical Abstract

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Microreview
    6. Short Communication
    7. Full Papers
    1. Graphical Abstract: Eur. J. Inorg. Chem. 8/2011 (pages 1177–1182)

      Article first published online: 1 MAR 2011 | DOI: 10.1002/ejic.201190023

  3. News

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

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Microreview
    6. Short Communication
    7. Full Papers
    1. MoCo and WCo Model Chemistry

      Molybdenum and Tungsten Oxidoreductase Models (pages 1189–1199)

      Carola Schulzke

      Article first published online: 31 JAN 2011 | DOI: 10.1002/ejic.201001036

      Thumbnail image of graphical abstract

      Molybdenum and tungsten cofactor model chemistry is aimed at a detailed understanding of nature's strategy to optimise oxo transfer reactions. A selection of studies on structure–activity relationships, the role of the metal and evolutionary aspects is discussed in detail, giving a personal view of this interesting and important topic.

  5. Short Communication

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Microreview
    6. Short Communication
    7. Full Papers
    1. Simple Dendrite Synthesis

      Green Wet Chemical Route for the Synthesis of Silver and Palladium Dendrites (pages 1201–1204)

      Bineta Keita, L. R. Brudna Holzle, Rosa Ngo Biboum, Louis Nadjo, Israel M. Mbomekalle, Sylvain Franger, Patrick Berthet, François Brisset, Frederic Miserque and Georges A. Ekedi

      Article first published online: 3 FEB 2011 | DOI: 10.1002/ejic.201001259

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      The simple mixing of Ag+ and VO2+ in water, at room temperature, results in the very efficient synthesis of silver nanodendrites in the absence of any template or surfactant. The same procedure proved successful for the synthesis of Pd nanodendrites.

  6. Full Papers

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Microreview
    6. Short Communication
    7. Full Papers
    1. Electrocrystallization

      Structural and Electronic Characteristics of a Novel BEDT-TTF Derivative: [BEDT-TTF]2[Cu2Br3] (pages 1205–1211)

      Frauke Schödel, Ulrich Tutsch, Friedhelm Isselbächer, Dieter Schweitzer, Inge Sänger, Michael Bolte, Jan W. Bats, Jens Müller, Michael Lang, Matthias Wagner and Hans-Wolfram Lerner

      Article first published online: 8 FEB 2011 | DOI: 10.1002/ejic.201001044

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      Crystals of a novel type of BEDT-TTF salt, [BEDT-TTF]2[Cu2Br3], were obtained by the BEDT-TTF electro-oxidation with the electrolyte molar ratio [Ph4P][N(CN)2]:CuBr of 1:8 in a mixture of THF and ethyleneglycol, whereas crystals of κ-[(BEDT-TTF)2][Cu(N(CN)2)Br] were formed with the electrolyte molar ratio [Ph4P][N(CN)2]:CuBr of 1:1.

    2. Photoswitchable Receptors

      An Anthracene Based Photoswitchable Dioxo-Tetraaza Ligand Selective for CuII and Capable of Photochemical pKa Modulation (pages 1212–1218)

      Giacomo Dacarro, Paola Ricci, Donatella Sacchi and Angelo Taglietti

      Article first published online: 26 JAN 2011 | DOI: 10.1002/ejic.201001050

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      Two anthracene fragments were added to the edges of a linear dioxotetramine ligand in order to exploit photocyclization and obtain a photoswitchable selective receptor for CuII, with a cavity that can be closed on command. The new ligand can also be used for the photorelease of protons in aqueous solution, as a result of photoinduced pKa modulation.

    3. Metallomesogens

      Structural, Magnetic and Dynamic Characterization of Liquid Crystalline Iron(III) Schiff Base Complexes with Asymmetric Ligands (pages 1219–1229)

      Natalia Domracheva, Andrew Pyataev, Rafil Manapov, Matvey Gruzdev, Ulyana Chervonova and Arkadij Kolker

      Article first published online: 31 JAN 2011 | DOI: 10.1002/ejic.201001157

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      We synthesized a novel compound, namely a liquid crystalline iron(III) Schiff base complex with the asymmetric ligand [Fe(L)X(H2O)2]+X, where X = PF6 is the counterion. This compound has a labilelow-spin electron configuration that switches between the (dxz,dyz)4(dxy)1/(dxy)2(dxz,dyz)3 ground states and is temperature-dependent.

    4. Phosphinane Ligand Complexes

      Metal Complexes of a Structurally Embellished Phosphinane Ligand: An Assessment of Stereoelectronic Effects (pages 1230–1239)

      Peter G. Edwards, Benson M. Kariuki, Matthieu Limon, Li-Ling Ooi, James A. Platts and Paul D. Newman

      Article first published online: 28 JAN 2011 | DOI: 10.1002/ejic.201001170

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      The stereoelectronic features of the phosphacycle ligand shown in the graphic [n = 1, Z = S (1); n = 1, Z = Se (2); n = 1, Z = Fe(CO)4 (3); n = 1, Z = W(CO)5 (4); n = 2, Z = trans-Rh(CO)Cl (5)] have been assessed through synthesis and characterisation of a number of relevant derivatives. The empirical data support the classification of the ligand as a bulkier analogue of PPh3.

    5. Triazine Ligands

      A New Triazine-Based Tricompartmental Ligand for Stepwise Assembly of Mononuclear, Dinuclear, and 1D-Polymeric Heptacoordinate Manganese(II)/Azido Complexes (pages 1240–1248)

      Animesh Das, Serhiy Demeshko, Sebastian Dechert and Franc Meyer

      Article first published online: 27 JAN 2011 | DOI: 10.1002/ejic.201001104

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      A new triazine-based ligand (L) features threefold symmetry and three potentially tridentate {N3} binding pockets, but binds only a single MnII by using one of the triazine N atoms and two of its chelate arms. Using azide as an additional ligand, the {LMnII} building blocks can form mononuclear, binuclear, and 1D chain structures with heptacoordinate metal ions.

    6. Spin Crossover Complexes

      N,N′-Bis(2,2′-bipyridine-6-ylmethyl)-2,2′-biphenylenediamines: A Tuneable Ligand Scaffold for Room Temperature Fe2+ SCO Complexes (pages 1249–1254)

      Holm Petzold and Silvio Heider

      Article first published online: 21 JAN 2011 | DOI: 10.1002/ejic.201001139

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      A new series of ligands with an AB2 structure were synthesized and employed in Fe2+ SCO complexes. ΔH, ΔS and T1/2 for the SCO were determined using Evans' method. The results clearly show a dependency of the spin state on the substitution pattern. The steric effects of substituents placed at the 6 and 6′ positions in the biphenyl moiety are effectively transported through the biphenyl bridge.

    7. (Dipicolylanilino)platinum Acetylides

      Metal Cation Induced Modulation of the Photophysical Properties of a Platinum(II) Complex Featuring a Dipicolylanilino–Acetylide Ligand (pages 1255–1259)

      Pierre-Henri Lanoë, Jean-Luc Fillaut, Véronique Guerchais, Hubert Le Bozec and J. A. Gareth Williams

      Article first published online: 26 JAN 2011 | DOI: 10.1002/ejic.201001164

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      Metal cation dependent modulation of the photophysical properties of a platinum(II) complex featuring a dipicolylanilino–acetylide ligand is described. The ground-state absorption and excited-state luminescenceof the complex are modulated by binding of divalent metal ions; the extent of the observed changes was found to be dependent upon the identity of the metal ion.

    8. Bridged Diiron Complexes

      C–H Activation in Diiron Bridging Vinyliminium Ligands: Reaction with CS2 to Form New Zwitterionic Complexes Acting as Organometallic Ligands (pages 1260–1268)

      Fabio Marchetti, Stefano Zacchini, Mauro Salmi, Luigi Busetto and Valerio Zanotti

      Article first published online: 31 JAN 2011 | DOI: 10.1002/ejic.201001167

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      C–H activation and addition of CS2 provide bridging C3 ligands in diiron complexes bearing a dithiocarboxylate group.The resulting zwitterionic complexes can act as organometallic ligands with Pd or Fe metal fragments.

    9. Allenylidene Complexes

      Synthesis and Structural Characterization of a Series of New Chiral-at-Metal Ruthenium Allenylidene Complexes (pages 1269–1282)

      Stephen Costin, Andria K. Widaman, Nigam P. Rath and Eike B. Bauer

      Article first published online: 2 FEB 2011 | DOI: 10.1002/ejic.201001176

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      Chiral-at-metal ruthenium chloro indenyl phosphoramidite complexes have been converted into the corresponding allenylidene complexes, some of which have been structurally characterized. The chiral information was transferred from the chloro precursor complexes to the allenylidene complexes, which were obtained as optically pure diastereomers. Only one diastereomer was formed during the syntheses.

    10. Oxidovanadium Complexes

      Oxidovanadium(V) Complexes with Aminoethanol Bis(phenolate) [O,N,O,O′] Ligands: Preparations, Structures, N-Dealkylation and Condensation Reactions (pages 1283–1291)

      Oula Wichmann, Harri Sopo, Ari Lehtonen and Reijo Sillanpää

      Article first published online: 2 FEB 2011 | DOI: 10.1002/ejic.201001251

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      [VO(acac)2] or [VO(OPr)3] reacts with aminoethanol bis(phenol)s to form [VOL1]-type complexes, which are monomers or dimers in the solid state but monomers in solutions. In wet polar solvents [VOL1] (1) undergoes an N-alkyl elimination to form 3,5-dimethylsalicyl alcohol, which reacts further with 1 and the condensation product [VOLC1] can be isolated. A similar condensation product [VOLC2] is formed when 1 is heated in dry acetonitrile with salicyl alcohol.

    11. Synthetic Methods

      One-Pot Sequential Azide–Alkyne [3+2] Cycloaddition and Atom Transfer Radical Addition (ATRA): Expanding the Scope of In Situ Copper(I) Regeneration in the Presence of Environmentally Benign Reducing Agent (pages 1292–1301)

      Carolynne L. Ricardo and Tomislav Pintauer

      Article first published online: 4 FEB 2011 | DOI: 10.1002/ejic.201001335

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      One-pot sequential reactions involvingazide–alkyne [3+2] cycloaddition and atom transfer radical addition (ATRA) catalyzed by [CuII(TPMA)X][X] {X = Br or Cl, TPMA = tris(2-pyridylmethyl)amine} complexes in the presence of ascorbic acid as areducing agent are reported. Reactions proceeded efficiently to yield highly functionalized polyhalogenated esters containing the triazolyl group by using as low as 0.5 mol-% of the copper catalyst.

    12. Bisguanidine Ligands

      Synthesis and Characterization of Novel Guanidine Ligands Featuring Biphenyl or Binaphthyl Backbones (pages 1302–1314)

      Astrid Maronna, Elvira Bindewald, Elisabeth Kaifer, Hubert Wadepohl and Hans-Jörg Himmel

      Article first published online: 26 JAN 2011 | DOI: 10.1002/ejic.201000981

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      Bisguanidine ligands with biphenyl or binaphthyl backbones have been synthesized and some aspects of their coordination chemistry analysed.

    13. Metal–Organic Frameworks

      Compact Metal–Organic Frameworks for Anti-Corrosion Applications: New Binary Linear Saturated Carboxylates of Zinc (pages 1315–1321)

      Adel Mesbah, Sophie Jacques, Emmanuel Rocca, Michel François and Jean Steinmetz

      Article first published online: 21 JAN 2011 | DOI: 10.1002/ejic.201001024

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      New zinc-based metal–organic frameworks (MOFs), binary zinc carboxylates ZnCnCn′ with Cn and Cn′ = CH3(CH2)n – 2COO, have been synthesised and characterised for anti-corrosion applications on zinc. The crystallographic structures demonstrate the great flexibility of these MOFs in modifying the insolubility and hydrophobicity of the protective coatings on metals in an aqueous solvent process.

    14. Mixed-Metal Cytotoxic Complexes

      A Dinuclear Gold(I)–Silver(I) Derivative of 2-Cyclopentylidene-2-sulfanylacetic Acid and Related Complexes: Synthesis, Crystal Structures, Properties and Antitumor Activity (pages 1322–1332)

      Elena Barreiro, José S. Casas, María D. Couce, Antonio Laguna, José M. López-de-Luzuriaga, Miguel Monge, Agustin Sánchez, José Sordo, José M. Varela and Ezequiel M. Vázquez López

      Article first published online: 27 JAN 2011 | DOI: 10.1002/ejic.201000959

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      A dinuclear gold(I)–silver(I) compound was prepared and characterised, and its luminescence and cytotoxicity were studied. A comparative study with related gold(I)–gold(I) and silver(I)–silver(I) compounds was carried out in the solid state and in solution.

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