European Journal of Inorganic Chemistry

Cover image for Vol. 2009 Issue 2

January 2009

Volume 2009, Issue 2

Pages 183–316

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Microreview
    6. Short Communications
    7. Full Papers
    1. Transition Metal Complexes of N-Heterocyclic Germylenes (Eur. J. Inorg. Chem. 2/2009) (page 183)

      Farman Ullah, Olaf Kühl, Gabor Bajor, Tamas Veszprémi, Peter G. Jones and Joachim Heinicke

      Version of Record online: 29 DEC 2008 | DOI: 10.1002/ejic.200890110

  2. Graphical Abstract

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

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

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

      Nonsymmetrical Salen Ligands and Their Complexes: Synthesis and Applications (pages 193–205)

      Arjan W. Kleij

      Version of Record online: 28 NOV 2008 | DOI: 10.1002/ejic.200800936

      Thumbnail image of graphical abstract

      Nonsymmetrical (metallo)salen compounds are highly useful synthons for innovative homogeneous catalysis and the construction of macromolecular/supramolecular structures. This review focuses on the recent advances in synthetic salen chemistry devoted to unsymmetrical derivatives, and fascinating examples of their application potential are presented.

  5. Short Communications

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

      Expanding the Size of Organometallic Nanostructures: A Hexanuclear (Cymene)Ru Cylinder with a Length of More Than 3 nm (pages 207–210)

      Céline Olivier, Rosario Scopelliti and Kay Severin

      Version of Record online: 5 DEC 2008 | DOI: 10.1002/ejic.200801020

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      A cylindrical nanostructure containing six (p-cymene)Ru fragments and two bridging ligands was obtained by base-assisted reaction of a tris(dihydroxypyridine) ligand with [(p-cymene)RuCl2]2.

    2. Photonic Nanostructures

      Bio-Inspired Bottom-Up Assembly of Diatom-Templated Ordered Porous Metal Chalcogenide Meso/Nanostructures (pages 211–215)

      Han Zhou, Tongxiang Fan, Xufan Li, Jian Ding, Di Zhang, Xuesong Li and Yahui Gao

      Version of Record online: 2 DEC 2008 | DOI: 10.1002/ejic.200800764

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      A controllable-assembly of metal chalcogenide nanoparticles onto ordered porous diatom meso/nanostructures by a sonochemical method has been developed. The inorganic replicas copy the morphology of the ordered porous structure and inherit its optical property. Photonic properties inthe replicas can be tuned by assembly of various metal chalcogenide semiconductors of different refractive indexes.

    3. Ferrocene-Containing Indolizines

      Unexpected Formation of Ferrocene-Containing Indolizines by Tandem Cyclization–Activation Reactions Induced by Silver Salts (pages 216–219)

      Javier E. Aguado, Carlos Cativiela, M. Concepción Gimeno, Peter G. Jones, Antonio Laguna and Cristina Sarroca

      Version of Record online: 2 DEC 2008 | DOI: 10.1002/ejic.200800968

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      Silver salts are used as promoters for the cyclization to novel ferrocene-containing indolizine systems in only one step andwith the simultaneous activation of the 7-position of the heterocyclic ring.

  6. Full Papers

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

      Transition Metal Complexes of N-Heterocyclic Germylenes (pages 221–229)

      Farman Ullah, Olaf Kühl, Gabor Bajor, Tamas Veszprémi, Peter G. Jones and Joachim Heinicke

      Version of Record online: 29 OCT 2008 | DOI: 10.1002/ejic.200800849

      Thumbnail image of graphical abstract

      The CO valence vibrations and short GeII–Mo bonds in fac-[(NHGe)3Mo(CO)3] and [Ni(NHGe)4], both of which contain N-heterocyclic germylene ligands, indicate the weak donor and good π-acceptor properties of these ligands, in line with quantum chemical studies and their PES orbital ionization potentials. The ligand bending in the complexes may be due to packing effects.

    2. Rare-Earth Cobalt Antimonides

      Syntheses, Structures, and Theoretical Studies of New Ternary Antimonides β-RECoSb3 (RE = La–Nd, Sm) (pages 230–237)

      Wei-Zhao Cai, Li-Ming Wu, Long-Hua Li and Ling Chen

      Version of Record online: 9 DEC 2008 | DOI: 10.1002/ejic.200800836

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      Five new ternary cobalt antimonidesβ-RECoSb3 (RE = La–Nd, Sm) have been synthesized and characterized. The structural relationship among parent, α- and β-type of RETSb3 has been elucidated. The TB-LMTO calculations revealed thatLaCoSb3 is an anisotropic metal and no spin-polarization occurred around the Fermi level.

    3. Pyrotechnics

      Nitrogen-Rich Compounds in Pyrotechnics: Alkaline Earth Metal Salts of 5,5′-Hydrazine-1,2-diylbis(1H-tetrazole) (pages 238–250)

      Konstantin Karaghiosoff, Thomas M. Klapötke and Carles Miró Sabaté

      Version of Record online: 5 DEC 2008 | DOI: 10.1002/ejic.200800939

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      Salts with the nitrogen-rich 5,5′-hydrazine-1,2-diylbis(tetrazolate) anion and alkaline earth metals were synthesized and fully characterized. The great thermal stability in combination with a high nitrogen content make the compounds interesting as ingredients for environmentally friendly pyrotechnic compositions.

    4. Supramolecular Cages

      Toward an Allosteric Metallated Container (pages 251–260)

      Helga Szelke, Hubert Wadepohl, Morsy Abu-Youssef and Roland Krämer

      Version of Record online: 2 DEC 2008 | DOI: 10.1002/ejic.200800659

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      To mimic effective shielding of reactive metal sites in metalloproteins, new polytopic ligands were prepared, and they form a cage-like structure upon coordination of Fe2+ and Ru2+. However, binding of Zn2+ and Cu2+ biometals to a vacant tris(pyrid-2-yl) site in the interior of the container appears to be disfavoured, indicating a negative allosteric effect.

    5. Supported Palladium Catalysts

      Pd/MOx Materials Synthesized by Sol-Gel Coprecipitation as Catalysts for Carbon–Carbon Coupling Reactions of Aryl Bromides and Chlorides (pages 261–266)

      Wolfgang Kleist, Jae-Kyu Lee and Klaus Köhler

      Version of Record online: 4 DEC 2008 | DOI: 10.1002/ejic.200800846

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      Coprecipitation of Pd/MOx via sol-gel routes leads to a strong Pd-support interaction. These catalysts are efficient in Heck reactions where the catalytically active species is generated by dissolution of Pd from the support. In consequence of the strong Pd-support interaction, this occurs only at high temperatures (≥ 160 °C) which are necessary for the activation of aryl bromides and chlorides.

    6. Chiral Palladacycles

      Rational Design of a Novel Chiral Palladacycle: Synthesis, Optical Resolution, and Stereochemical Evaluation (pages 267–276)

      Yi Ding, Yongxin Li, Sumod A. Pullarkat, See Leng Yap and Pak-Hing Leung

      Version of Record online: 2 DEC 2008 | DOI: 10.1002/ejic.200800923

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      A racemic cyclopalladated complex was efficiently resolved through the formation of its (S)-prolinato derivatives. The new chiral palladacycle showed high stereoselectivity in the chiral template-promoted asymmetric Diels–Alder reaction of coordinated 3,4-dimethyl-1-phenylphosphole and N,N-dimethylacrylamide.

    7. Binucleating Ligands

      Binuclear Copper(II) Chelates with Heptadentate Ligands: Synthesis, Structure, Magnetic Properties, DFT Studies, and Catecholase and Hydrolytic DNA Cleavage Activity (pages 277–284)

      Atanu Banerjee, Reena Singh, Enrique Colacio and Kajal Krishna Rajak

      Version of Record online: 9 DEC 2008 | DOI: 10.1002/ejic.200800937

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      Heterobridged μ-phenoxido, μ1,1-azido, and μ-phenoxido μsyn–syn-benzoato-bridged binuclear copper(II) complexes with N4O3 coordinating heptadentate ligands were synthesized and characterized. The variable-temperature magnetic moments of thecomplexes were confirmed by using BS-DFT calculations. The benzoato-bridged CuII complex exhibits both catecholase and hydrolytic DNA cleavage activity.

    8. Carbene Complexes

      Palladium(II) Complexes with Benzimidazolin-2-ylidene and Phosphane Ligands and their Catalytic Activity in Mizoroki–Heck Coupling Reactions (pages 285–294)

      Hayati Türkmen, Tania Pape, F. Ekkehardt Hahn and Bekir Çetinkaya

      Version of Record online: 4 DEC 2008 | DOI: 10.1002/ejic.200800948

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      Palladium(II) complexes with phosphane and symmetrically and unsymmetrically substituted benzimidazolin-2-ylidene ligands of types 26 were prepared and selected derivatives were characterized by X-ray diffraction. The NHC–phosphane complexes with unsymmetrically substituted NHC ligands of type 6 exhibit good catalytic activity in Mizoroki–Heck C–C coupling reactions.

    9. Hydride Abstraction

      Mechanism of Hydride Abstraction by Cyclopentadienone-Ligated Carbonylmetal Complexes (M = Ru, Fe) (pages 295–302)

      Megan K. Thorson, Kortney L. Klinkel, Jianmei Wang and Travis J. Williams

      Version of Record online: 2 DEC 2008 | DOI: 10.1002/ejic.200800975

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      Hydride is abstracted from alcoholic C–H groups by cyclopentadienone-ligated ruthenium(0) and iron(0) complexes. The reactions take place under mild conditions – even with an oxidant as weak as acetone – and show no kinetic order in re-oxidation of the metal hydride mediator. These mechanistic findings pave the way for more general and environmentally more benign C–H activation methods.

    10. Spin-Crossover MOFs

      Spin-Crossover 2D Metal–Organic Frameworks with a Redox-Active Ligand: [Fe(ttf-adpy)2M(CN)4nH2O (ttf-adpy = 4-Tetrathiafulvalenylcarboxamidopyridine; MII = Ni, Pd, Pt) (pages 303–310)

      Víctor Martínez, Ana Belén Gaspar, M. Carmen Muñoz, Rafael Ballesteros, Norma Ortega-Villar, Víctor M. Ugalde-Saldívar, Rafael Moreno-Esparza and José Antonio Real

      Version of Record online: 9 DEC 2008 | DOI: 10.1002/ejic.200800988

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      A tetrathiofulvalene ligand containing an amidopyridine moiety was prepared and it reaction with Fe(BF4)2·6H2O and [M(CN)4]2– counterions led to the 2D polymers {Fe(ttf-adpy)2[M(CN)4]}·nH2O (MII = Ni, Pd and Pt). The hydrated compounds present a complete thermally induced two-step spin transition, whereas the nonhydrated materials are paramagnetic in the studied temperature range.

    11. Group 4 Polymerization Catalysts

      Group 4 Metal Complexes That Contain a Thioether-Functionalized Phenolato Ligand: Synthesis, Structure, and 1-Hexene Polymerization (pages 311–316)

      Bing Lian, Klaus Beckerle, Thomas P. Spaniol and Jun Okuda

      Version of Record online: 2 DEC 2008 | DOI: 10.1002/ejic.200800810

      Thumbnail image of graphical abstract

      Group 4 metal catalysts containing a [OS]-type bidentate phenolato ligand were synthesized. On benzyl abstraction, the dibenzyl zirconium catalyst gives oligo(1-hexene) with a 2,1 regioselectivity. The tribenzyl zirconium catalyst produces isotactic poly(1-hexene) with high molecular weight.

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