European Journal of Inorganic Chemistry

Cover image for Vol. 2008 Issue 13

May 2008

Volume 2008, Issue 13

Pages 2123–2243

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Short Communication
    6. Full Papers
    1. Hydrothermal Synthesis and Structural Characterization of the High-Valent Ruthenium-Containing Polyoxoanion [{PW11O39}2{(HO)RuIV–O–RuIV(OH)}]10– (Eur. J. Inorg. Chem. 13/2008) (page 2123)

      Su-Wen Chen, Richard Villanneau, Yanling Li, Lise-Marie Chamoreau, Kamal Boubekeur, René Thouvenot, Pierre Gouzerh and Anna Proust

      Article first published online: 17 APR 2008 | DOI: 10.1002/ejic.200890032

  2. Graphical Abstract

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

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

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Short Communication
    6. Full Papers
    1. The Antimalarial Artemisone is an Efficient Heme Alkylating Agent (pages 2133–2135)

      Fatima Bousejra-El Garah, Bernard Meunier and Anne Robert

      Article first published online: 31 MAR 2008 | DOI: 10.1002/ejic.200800129

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      The antimalarial 1,2,4-trioxane artemisone is an efficient alkylating agent of heme in vitro. This property shared by all biologically active artemisinin derivatives may be responsible for their activity against Plasmodium, the malaria parasite located in red blood cells.

  5. Full Papers

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Short Communication
    6. Full Papers
    1. Hydrothermal Synthesis and Structural Characterization of the High-Valent Ruthenium-Containing Polyoxoanion [{PW11O39}2{(HO)RuIV–O–RuIV(OH)}]10– (pages 2137–2142)

      Su-Wen Chen, Richard Villanneau, Yanling Li, Lise-Marie Chamoreau, Kamal Boubekeur, René Thouvenot, Pierre Gouzerh and Anna Proust

      Article first published online: 12 FEB 2008 | DOI: 10.1002/ejic.200701359

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      The hydrothermal synthesis and characterization (X-ray diffraction, IR, multinuclear NMR spectroscopy, electrochemistry) of the high-valent ruthenium-containing heteropolytungstate [{PW11O39}2{(HO)Ru–O–Ru(OH)}]10– are reported. This complex can be obtained by the association of two [PW11O39]7– subunits linked by a {RuIV–O–RuIV} diamagnetic core. Electrochemistry shows that it can be reversibly oxidized (one-electron process) or reduced (two-electron process).

    2. Surprising Coordination Geometry Differences in CeIV- and PuIV-Maltol Complexes (pages 2143–2147)

      Géza Szigethy, Jide Xu, Anne E. V. Gorden, Simon J. Teat, David K. Shuh and Kenneth N. Raymond

      Article first published online: 28 MAR 2008 | DOI: 10.1002/ejic.200800144

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      The PuIV and CeIV tetrakis complexes of maltol and bromomaltol are reported. While CeIV is usually a close structural analog for PuIV there is a dramatic difference in geometry between their bromomaltol complexes with the CeIV complex (shown) displaying a previously unknown trigonal-faced dodecahedral geometry.

    3. Synthesis, Structures and Ion-Association Properties of a Series of Schiff Base Oxidovanadium(V) Complexes with 4-Substituted Long Alkoxy Chains (pages 2148–2157)

      Yuriko Abe, Ayako Iyoda, Kanako Seto, Ayano Moriguchi, Tomoaki Tanase and Haruhiko Yokoyama

      Article first published online: 28 MAR 2008 | DOI: 10.1002/ejic.200701116

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      The different compounds of the VO2V or VOV complexes with shorter 4-substituted alkoxy chains (n = 3, 4, and 6) from the corresponding VOIV complexes have been obtained under aerobic conditions in the absence or presence of HClO4. For the longer alkoxy chains with n ≥8, the crystal-to-crystal transformation from the VOIV tothe VO2V complexes did not occur under aerobic conditions. The ion-association properties of [VO{(4-CnH2n+1O)xsalen}]+ClO4 (x = 1, 2, n = 3–12) in methanol are independent of alkoxy chain lengths and are discussed with those of the solid-sate materials.

    4. A Carbonyl Group Bridging Four Metal Atoms in a Homoleptic Carbonylmetal Cluster: The Remarkable Case of ­Co4(CO)11 (pages 2158–2164)

      Xiuhui Zhang, Qian-shu Li, Yaoming Xie, R. Bruce King and Henry F. Schaefer III

      Article first published online: 19 MAR 2008 | DOI: 10.1002/ejic.200800107

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      The unsaturated Co4(CO)11 is predicted by density functional theory to have a structure with one μ4-CO group bridging all four cobalt atoms in a Co4 butterfly. This μ4-CO group is predicted to have a relatively long C–O bond of 1.226 Å (BP86) with a correspondingly low (CO) frequency of 1636 cm–1.

    5. Synthesis and Structural Characterization of a Tetrameric Ammonium Chloride Cluster (pages 2165–2169)

      Nikola Schulenberg, Olaf Hübner, Elisabeth Kaifer and Hans-Jörg Himmel

      Article first published online: 28 MAR 2008 | DOI: 10.1002/ejic.200701322

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      A tetrameric ammonium chloride cluster with a heterocubane structure held together by hydrogen bonding has been synthesized and structurally characterized.

    6. Extended Networks Generated from the Interaction of Rare-Earth(III) Ions and Pyridine-2-carboxamide-Based Ligands (pages 2170–2176)

      Maarten G. van der Horst, Gerard A. van Albada, Rodica-Mariana Ion, Ilpo Mutikainen, Urho Turpeinen, Stefania Tanase and Jan Reedijk

      Article first published online: 20 MAR 2008 | DOI: 10.1002/ejic.200800031

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      The self-assembly reaction of RECl3·nH2O (RE = Pr, Nd, Eu, Tb) with 1,4-bis(pyridine-2-carboxamido)butane as a flexible coordination unit led to the formation of two-dimensional coordination networks.

    7. A Series of Red-Light-Emitting Ionic Iridium Complexes: Structures, Excited State Properties, and Application in Electroluminescent Devices (pages 2177–2185)

      Shu-Juan Liu, Qiang Zhao, Qu-Li Fan and Wei Huang

      Article first published online: 27 MAR 2008 | DOI: 10.1002/ejic.200701184

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      The substituents on the N∧N ligands of the ionic diiminoiridium complexes [Ir(piq-C∧N)2(L-N∧N)](PF6) were found to influence the photophysical and electrochemicalproperties of the complexes. A nondoped, single-layer device was fabricated and red phosphorescence was obtained.

    8. Topochemical Synthesis of Micron-Platelet (Na0.5K0.5)NbO3 Particles (pages 2186–2190)

      Lihong Li, Jun Chen, Jinxia Deng, Ranbo Yu, Lijie Qiao, Guirong Liu and Xianran Xing

      Article first published online: 26 MAR 2008 | DOI: 10.1002/ejic.200701263

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      Plate-like (Na, K)NbO3 particles were synthesized from the platelet precursor K4Nb6O17 using a topochemical micro-crystal conversion reaction. The K+ ions in the molten salt competed with Na+ ions to occupy the A-sites of (Na, K)NbO3. Particles of (Na0.5K0.5)NbO3 were accurately synthesized by controlling the amount of the reactant Na2CO3.

    9. From Molecular to Two-Dimensional Anderson Polyoxomolybdate: Synthesis, Crystal Structure, and Thermal Behavior of [{Ni(H2O)4}2{Ni(OH)6Mo6O18}]·4H2O and [Ni(H2O)6][Ag2{Ni(OH)6Mo6O18}]·8H2O (pages 2191–2198)

      Feng-Xian Liu, Catherine Marchal-Roch, Damien Dambournet, Aloïs Acker, Jérome Marrot and Francis Sécheresse

      Article first published online: 20 MAR 2008 | DOI: 10.1002/ejic.200701288

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      Different effects of Ni2+ and Ag+ onpolyoxometalates are studied. Ni2+ ions interlink the Anderson anions to form two-dimensional frameworks, whereas only Ag+ ions participate in the connections when both Ni2+ and Ag+ are present. Silver stabilizes the structure, and hydration–dehydration processes are reversible up to 220 °C for Ag–Ni mixed compounds.

    10. Density Functional Theory Studies of the Magnetostructural Correlations in the Cyano-Bridged Mo2Ni and Mo2Ni3 Systems (pages 2199–2206)

      Yi-Quan Zhang and Cheng-Lin Luo

      Article first published online: 19 MAR 2008 | DOI: 10.1002/ejic.200800017

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      Calculations by two approaches with several local density approximations (LDAs) and generalized gradient approximations (GGAs) show that increasing the number of exchange coupling interactions from one to two will decrease the ferromagnetic MoNi interactions, but a further increase in this number from two to three or four will not weaken the MoNi interactions for the MoNi systems that we investigated.

    11. A Phosphanyl-Substituted Benzo-1,3,2-Dioxaborol as Ambiphilic Bifunctional Lewis Donor–Acceptor Unit (pages 2207–2213)

      Samir Chikkali, Silja Magens, Dietrich Gudat, Martin Nieger, Ingo Hartenbach and Thomas Schleid

      Article first published online: 27 MAR 2008 | DOI: 10.1002/ejic.200800024

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      The ability of a phosphane-substituted benzo-1,3,2-dioxaborol to act as an ambiphilic ligand through simultaneous complexation at the P-donor and B-acceptor sites is demonstrated. Bifunctional adducts with Pd–P and B–N dative bonds are obtained. Although the adducts are stable only in the solid state, this approach offers prospects for the assembly of novel multimetallic complexes.

    12. Structure–Catalytic Activity Relationship in Bridging Silacycloalkyl Ring Conformations of Constrained Geometry Titanium Complexes (pages 2214–2224)

      Eugene Kang, Sung-Kwan Kim, Tae-Jin Kim, Jae-Ho Chung, Jong Sok Hahn, Jaejung Ko, Myung-Ahn Ok, Minserk Cheong and Sang Ook Kang

      Article first published online: 19 MAR 2008 | DOI: 10.1002/ejic.200701312

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      Constrained geometry complexes (Cp*CySiN)TiCl2, with cyclic silylene-bridges, proved to be highly efficient catalyst precursors for olefin homo- and copolymerization when activated with Ph3CB(C6F5)4/Al(iBu)3. A six-membered cyclic silylene-bridged complex exhibited enhanced high-temperature catalytic activity due to the formation of a stable six-membered ring at the bridging position.

    13. Rock around the Ring: An Experimental and Theoretical Study of the Molecular Dynamics of Stannyltriphospholes with Chiral Tin Substituents (pages 2225–2237)

      Martin Hofmann, Tim Clark, Frank W. Heinemann and Ulrich Zenneck

      Article first published online: 1 APR 2008 | DOI: 10.1002/ejic.200701321

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      A chiral substituent allows the details of the remarkable mobility of stannyl groups attached to an unsaturated P3 heterocycle to be determined.

    14. Monomeric Boron and Tin(II) Heterocyclic Derivatives of 1,8-Diaminonaphthalenes: Synthesis, Characterization and X-ray Structures (pages 2238–2243)

      Víctor M. Jiménez-Pérez, Blanca M. Muñoz-Flores, Herbert W. Roesky, Thomas Schulz, Aritra Pal, Tobias Beck, Zhi Yang, Dietmar Stalke, Rosa Santillan and Michael Witt

      Article first published online: 1 APR 2008 | DOI: 10.1002/ejic.200800073

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      The reaction of the diaminonaphthalene dilithium salt (THF)2Li2[(NSiMe3)2C10H6] with BX3 (X = Cl, Br) provided the monomeric complexes BX[(NSiMe3)2C10H6] [3 (X = Cl), 4 (X = Br)] with a tricoordinate boron atom as potential precursor of carbene analogs. The diaminonaphthalene dilithium salt of composition (THF)2Li2[(NSiiPr3)2C10H6] reacts with SnCl2 to yield complex 5, a carbene analog.

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