European Journal of Inorganic Chemistry

Cover image for Vol. 2012 Issue 24

August 2012

Volume 2012, Issue 24

Pages 3795–3936

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Microreview
    6. Short Communications
    7. Full Papers
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      Solvothermal Synthesis of Uniform Co3O4/C Hollow Quasi-Nanospheres for Enhanced Lithium Ion Intercalation Applications (Eur. J. Inorg. Chem. 24/2012)

      Jun Liu, Yanling Wan, Chunping Liu, Wei Liu, Shaomin Ji, Yichun Zhou and Jinbin Wang

      Article first published online: 14 AUG 2012 | DOI: 10.1002/ejic.201290074

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      The cover picture shows uniform, carbon-coated, single-crystalline Co3O4 porous and hollow quasi-nanospheres, which were synthesized by an in-situ carbon-coating and Ostwald-ripening solvothermal process. The coated carbon thin layer, interconnecting nanopore networks and hollow core enhance the electrochemical performance of Co3O4 as an Li ion battery anode. Details are discussed in the Short Communication by J. Liu, Y. Zhou et al. on p. 3825 ff.

  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. Bifunctional Heterogeneous Catalysts

      Heterogeneous Bifunctional Metal/Acid Catalysts for Selective Chemical Processes (pages 3807–3823)

      Pierluigi Barbaro, Francesca Liguori, Noemi Linares and Carmen Moreno Marrodan

      Article first published online: 23 JUL 2012 | DOI: 10.1002/ejic.201200529

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      Heterogeneous bifunctional catalysts containing metal and acid sites have great potential for the development of greener production processes, particularly for the preparation of fine chemicals. This review highlights the recent advancements and the most representative examples in the field.

  5. Short Communications

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

      Solvothermal Synthesis of Uniform Co3O4/C Hollow Quasi-Nanospheres for Enhanced Lithium Ion Intercalation Applications (pages 3825–3829)

      Jun Liu, Yanling Wan, Chunping Liu, Wei Liu, Shaomin Ji, Yichun Zhou and Jinbin Wang

      Article first published online: 24 JUL 2012 | DOI: 10.1002/ejic.201200486

      Thumbnail image of graphical abstract

      Uniform carbon-coated single-crystalline Co3O4 porous and hollow quasi-nanospheres were synthesized by an in situ carbon-coating and Ostwald ripening solvothermal process. The coated carbon thin layer, interconnecting nanopore networks, and the hollow core enhance the electrochemical performance of Co3O4 as lithium ion battery anode.

    2. Molecular Magnets

      Magnetocaloric Effect in a Mn2-Pyridazine-[Nb(CN)8] Molecular Magnetic Sponge (pages 3830–3834)

      Magdalena Fitta, Robert Pełka, Maria Bałanda, Mariusz Czapla, Marian Mihalik, Dawid Pinkowicz, Barbara Sieklucka, Tadeusz Wasiutyński and Maria Zentkova

      Article first published online: 24 JUL 2012 | DOI: 10.1002/ejic.201200374

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      The magnetocaloric effect (MCE) in a novel Mn2-[Nb(CN)8] molecular magnet with a two-step magnetic sponge behavior and large shifts in the ferrimagnetic ordering temperature (Tc) as a result of dehydration is reported. The field dependence of MCE at Tc for the “as synthesized”, partially and fully dehydrated phases is consistent with the values of the critical exponents derived from the magnetization data.

  6. Full Papers

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

      Mercury-Sequestering Pseudopeptides with a Tris(cysteine) Environment in Water (pages 3835–3843)

      Anaïs M. Pujol, Colette Lebrun, Christelle Gateau, Alain Manceau and Pascale Delangle

      Article first published online: 19 JUL 2012 | DOI: 10.1002/ejic.201200484

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      Sulfur-containing tripodal pseudopeptides are efficient HgII chelating agents, stabilizing an unusual HgS3 distorted binding environment at alkaline pH, which transforms into a T-shaped coordination at low pH with two thiolates in a linear HgS2 configuration and a distant S from a protonated thiol in a weaker interaction.

    2. Fluorescent Chemosensors

      Cell-Compatible Fluorescent Chemosensor for Zn2+ Based on a 3,8-Extended 1,10-Phenanthroline Derivative (pages 3844–3851)

      Bo Zhang, Kou-Sen Cao, Ze-An Xu, Zhe-Qin Yang, Hao-Wen Chen, Wei Huang, Gui Yin and Xiao-Zeng You

      Article first published online: 6 JUL 2012 | DOI: 10.1002/ejic.201200423

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      A new 1,10-phenanthroline derivative, 3,8-bis(5-methylthiophen-2-yl)-1,10-phenanthroline (PHT1), which displays high selectivity and sensitivity towards Zn2+, has been synthesized and characterized. The ability of PHT1 to sense Zn2+ within living cells has been investigated in living HL-60, yeast, and HepG-2 cells.

    3. Polyoxometalate Conversion

      Chromate-Mediated One-Step Quantitative Transformation of PW12 into P2W20 Polyoxometalates (pages 3852–3858)

      Sneha R. Bajpe, Eric Breynaert, Koen Robeyns, Kristof Houthoofd, Gregory Absillis, Danilo Mustafa, Tatjana N. Parac-Vogt, Andre Maes, Johan A. Martens and Christine E. A. Kirschhock

      Article first published online: 11 JUL 2012 | DOI: 10.1002/ejic.201200440

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      The chromate-based one-pot quantitative conversion of [PW12O40]3– into [KP2W20O72]13– is described.

    4. Well-Crystallized LiAl–LDH

      Well-Crystallized CO32–-Type LiAl–LDH from Urea Hydrolysis of an Aqueous Chloride Solution (pages 3859–3865)

      Hongliang Kang, Matteo Leoni, Hongmei He, Gailing Huang and Xiaojing Yang

      Article first published online: 11 JUL 2012 | DOI: 10.1002/ejic.201200174

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      Hexagon-shaped single crystals of LiAl–CO3–LDH with the chemical formulaLiAl2.0(OH)6.0(CO3)0.5·yH2O (1 < y < 2) were prepared by urea hydrolysis under hydrothermal conditions at low temperatures (100–160 °C). The proposed formation process is that Li2CO3 is imbibed into the initial gel of the Al(OH)3 precipitate as a result of the urea hydrolysis.

    5. 2,2′:6′,2″-Terpyridine Complexes

      Effect of Ethynyl and 2-Thienyl Substituents on the Complexation of 4′-Substituted 2,2′:6′,2″-Terpyridines with Zn2+ and Fe2+ Ions, and the Spectroscopic Properties of the Ligands and Formed Complex Species (pages 3866–3874)

      Tereza Vitvarová, Jiří Zedník, Michal Bláha, Jiří Vohlídal and Jan Svoboda

      Article first published online: 11 JUL 2012 | DOI: 10.1002/ejic.201200256

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      The complexation behavior of 2,2′:6′,2″-terpyridine and its 4′-ethynyl and 4′-(2-thienyl) derivatives with Zn2+ and Fe2+ in acetonitrile solution was investigated by means of UV/Vis, luminescence, and NMR spectroscopy and quantum chemistry calculations. Spectroscopic characteristics and stability constants are presented.

    6. MOFs to Mixed Rare-Earth Oxides

      From Coordination Polymers to Doped Rare-Earth Oxides (pages 3875–3884)

      Thomas Demars, Maria Boltoeva, Nicolas Vigier, Jérôme Maynadié, Johann Ravaux, Caroline Genre and Daniel Meyer

      Article first published online: 23 JUL 2012 | DOI: 10.1002/ejic.201200284

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      Oxides based on f-elements are of great interest. Control of the macroscopic properties of metal oxide materials is crucial and related to the microscopic structure of the ceramic. We show that thermal conversion of bimetallic coordination polymers with well-defined structure and morphology is a promising way towards mixed rare-earth oxides of controlled composition and flexible properties.

    7. Heteroleptic Cu(I) Complexes

      Cooperative Metal–Ligand-Induced Properties of Heteroleptic Copper(I) Xanthate/Dithiocarbamate PPh3 Complexes (pages 3885–3891)

      Gunjan Rajput, Vikram Singh, Santosh K. Singh, Lal B. Prasad, Michael G. B. Drew and Nanhai Singh

      Article first published online: 13 JUL 2012 | DOI: 10.1002/ejic.201200307

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      Heteroleptic CuI dithiocarbamate/xanthate PPh3 complexes are synthesized and structurally characterized. Their conductivity and photoluminescence are investigated. The dithiocarbamate complex bearing the pyridine substituent exhibited bluish green light in the visible region. The semiconductor behaviour of the complexes was ascribed to the lack of intermolecular S···S contacts in the solid state.

    8. Dinuclear Gold Complexes

      Amide-Functionalized Bis(NHC) Systems: Anion Effect on Gold–Gold Interactions (pages 3892–3898)

      Catherine Hemmert, Romuald Poteau, François Jean-Baptiste dit Dominique, Paola Ceroni, Giacomo Bergamini and Heinz Gornitzka

      Article first published online: 19 JUL 2012 | DOI: 10.1002/ejic.201200323

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      X-ray and DFT analyses of dinuclear gold complexes containing amide-functionalized bis(NHC) ligands show that aurophilic interactions occur in the presence of halogen anions. These anions form hydrogen bonds with N–H functions in the ligands. Noaurophilic interactions occur in the absence of halogens. Halogen-containing proligands and AuI complexes are luminescent in the solid state and at 77 K.

    9. DNA Photocleavage

      Photocytotoxic Oxidovanadium(IV) Complexes of Polypyridyl Ligands Showing DNA-Cleavage Activity in Near-IR Light (pages 3899–3908)

      Samya Banerjee, Akhtar Hussain, Puja Prasad, Imran Khan, Bhabatosh Banik, Paturu Kondaiah and Akhil R. Chakravarty

      Article first published online: 4 JUL 2012 | DOI: 10.1002/ejic.201200344

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      Oxidovanadium(IV) complexes are potent metal-based photocytotoxic agents showing DNA-photocleavage activity and cytotoxicity in HeLa cells when irradiated with red light while demonstrating low levels of toxicity under dark conditions. Nuclear staining data suggest apoptosis as the mechanism of cell death.

    10. Alkyne Insertion

      Selective Consecutive Insertion of Alkynes into the B–Se Bonds of 1,3,2-Diselenaborolane Derivatives: Synthesis and Molecular Structures of Nine-Membered Rings (pages 3909–3922)

      Bernd Wrackmeyer, Elena V. Klimkina and Wolfgang Milius

      Article first published online: 19 JUL 2012 | DOI: 10.1002/ejic.201200471

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      After two insertions of non-terminal alkynes into the B–Se bonds of 2-halogeno-1,3,2-diselenaborolanes novel nine-membered rings are formed. The reactions were shown to proceed stepwise and also selectively.

    11. Oxonitridosilicates

      BaSi4O6N2 – A Hexacelsian-Type Layered Oxonitridosilicate (pages 3923–3928)

      Cordula Braun, Helmut Ehrenberg and Wolfgang Schnick

      Article first published online: 19 JUL 2012 | DOI: 10.1002/ejic.201200186

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      The highly condensed BaSi4O6N2 is the first member of the hexacelsian structure type within nitrido- and oxonitridosilicates. The new barium oxonitridosilicate strongly correlates with Ba3Si6O12N2:Eu2+ and, as technical applicability is an important requirement for potential LED phosphors, the stability of BaSi4O6N2 was investigated thoroughly under various conditions (HP/HT).

    12. Metal–Metal Interactions

      α,ω-Di([5]trovacenyl) Sulfides TVC–Sn–TVC (n = 1–4) and TVC–SCH2S–TVC: a Study in Intramolecular Communication (pages 3929–3936)

      Christoph Elschenbroich, Feng Lu, Klaus Harms, Olaf Burghaus, Clemens Pietzonka and Jürgen Pebler

      Article first published online: 13 JUL 2012 | DOI: 10.1002/ejic.201200310

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      Oligosulfur atom(s) as bridges to construct dinuclear paramagnetic organometallic trovacenyl complexes have been systematically investigated. Their weak antiferromagnetic intramolecular metal–metal interactions have been investigated by electrochemistry, electron paramagnetic resonance spectroscopy, magnetic susceptometry, and/or X-ray diffraction analysis.

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