European Journal of Inorganic Chemistry

Cover image for European Journal of Inorganic Chemistry

February 2011

Volume 2011, Issue 5

Pages 601–760

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Microreview
    6. Short Communications
    7. Full Papers
  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. Rhodium's Role in C–F Activation

      C–F Bond Activation of Highly Fluorinated Molecules at Rhodium: From Model Reactions to Catalysis (pages 613–625)

      Thomas Braun and Falk Wehmeier

      Version of Record online: 11 JAN 2011 | DOI: 10.1002/ejic.201001184

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      Rhodium-mediated C–F bond activation reactions of fluorinated arenes and alkenes are presented. On the basis of these C–F bond cleavage steps, stoichiometric and catalytic derivatization reactions of the activated molecules are discussed.

  5. Short Communications

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

      Synthesis of Cp*2Ti(OTf) and Its Reaction with Water (pages 627–631)

      Monty Kessler, Sven Hansen, Dirk Hollmann, Marcus Klahn, Torsten Beweries, Anke Spannenberg, Angelika Brückner and Uwe Rosenthal

      Version of Record online: 18 JAN 2011 | DOI: 10.1002/ejic.201001225

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      The (alkyne)titanocene complex Cp*2Ti(η2-Me3SiC2SiMe3) reacts selectively with Fe(OTf)3 to give the paramagnetic monotriflate species Cp*2Ti(OTf). In the reaction of the latter with water further oxidation of the titanium center to give Cp*2Ti(OH)(OTf) takes place.

    2. Heterobimetallic Complexes

      Ring-Opening Polymerization of L-Lactides Catalyzed by Zinc–Sodium/Lithium Heterobimetallic Complexes in the Presence of Water (pages 632–636)

      Lei Wang, Xiaobo Pan, Lihui Yao, Ning Tang and Jincai Wu

      Version of Record online: 18 JAN 2011 | DOI: 10.1002/ejic.201001283

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      Two heterobimetallic complexes, [(TBBP)2Zn][(Na)2(THF)4] (3) and [(TBBP)2Zn][(Li)2(THF)4] (4), were synthesized, which catalyze the polymerization of L-lactide in a controlled fashion. Complex 3 initiates the ring-opening polymerization of unsublimed L-lactide in air, even in the presence of H2O, to yield a high conversion and with a controllable molecular weight.

  6. Full Papers

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

      Crystal Structure, Spectroscopy and Crystal Field Analysis of Substituted 1,10-Phenanthroline–Europium Complexes (pages 637–646)

      Zaifa Pan, Guohua Jia, Chang-Kui Duan, Wai-Yeung Wong, Wing-Tak Wong and Peter A. Tanner

      Version of Record online: 10 JAN 2011 | DOI: 10.1002/ejic.201000908

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      The relationships between crystal structures, physical constants and electronic spectroscopic data have been investigated for substituted 1,10-phenanthroline complexes of europium. No clear trends relating second-rank crystal field parameters with crystallographic data or Taft constants were found. Emission quantumyields for the complexes are similar, except for the nitro-substituted ligands.

    2. Solar Cells

      Large-Scale, Surfactant-Free Solution Syntheses of Cu(In,Ga)(S,Se)2 Nanocrystals for Thin Film Solar Cells (pages 647–651)

      Jong Hyeon Lee, Juyeon Chang, Ji-Hyun Cha, Yeji Lee, Jae Eok Han, Duk-Young Jung, Eun Chang Choi and Byungyou Hong

      Version of Record online: 5 JAN 2011 | DOI: 10.1002/ejic.201000967

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      Large quantities of high-purity CuInxGa1–xSe2 and CuInxGa1–xS2 nanoparticles were synthesized by employing a sonochemical method under ambient conditions. The CuInGaSe2 nanocrystal ink was used in the solution-based fabrication of thin film photovoltaic devices with a conversion efficiency of 2.62 %.

    3. Ionic Imine Hydrogenation

      Molybdenum Nitrosyl Complexes and Their Application in Catalytic Imine Hydrogenation Reactions (pages 652–659)

      Alexander Dybov, Olivier Blacque and Heinz Berke

      Version of Record online: 29 DEC 2010 | DOI: 10.1002/ejic.201000973

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      Hydrides of the type [Mo(P∩P)(CO)2(NO)H] (P∩P = sterically hindered diphosphane) combined with [H(Et2O)2][B(C6F5)4] have been shown to efficiently hydrogenate various imines at room temperature and 30 bar H2 pressure. The highest TOF was 123 h–1, which was achieved in the hydrogenation of PhCH=N(α-naphthyl) using [Mo(dippe)(CO)2(NO)H] [dippe = 1,2-bis(diisopropylphosphanyl)ethane] as a precatalyst.

    4. Charge Transfer

      Spectroscopic and Photophysical Studies of Charge-Transfer in a Cd8 Thiolate Cluster Complex Containing a Coordinated N-Methyl-4,4′-bipyridinium Ligand (pages 660–665)

      Ming-Lai Fu, Richard D. Adams, Dahiyana Cristancho, Paola Leon-Plata and Jorge M. Seminario

      Version of Record online: 29 DEC 2010 | DOI: 10.1002/ejic.201001062

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      The hybrid cluster complex Cd8S(SPh)15(MeQ)·CH3CN (1) (MeQ+ = N-methyl-4,4′-bipyridinium) has been synthesized and characterized by X-ray crystallography and spectroscopy, which can serve as an excellent model for understanding charge-transfer dynamics at organic molecule-nanoparticle interface.

    5. Olefin Epoxidation

      Chiral Cationic [Cp′Mo(CO)2(NCMe)]+ Species – Catalyst Precursors for Olefin Epoxidation with H2O2 and tert-Butyl Hydroperoxide (pages 666–673)

      Patrícia M. Reis, Carla A. Gamelas, José A. Brito, Nathalie Saffon, Montserrat Gómez and Beatriz Royo

      Version of Record online: 3 JAN 2011 | DOI: 10.1002/ejic.201001065

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      The chiral molybdenum cationic complex [CpoxMo(CO)2(NCMe)]+ (5) bearing a cyclopentadienyl group tethered to an oxazoline ring was synthesized and applied to olefin epoxidation using H2O2 and TBHP. The involvement of both C- and O-centred radicals in the olefin epoxidation with 5 as a catalyst was supported by radical trap experiments.

    6. Phosphoester Hydrolysis

      Metal Complexes of a Multidentate Cyclophosphazene with Imidazole-Containing Side Chains for Hydrolyses of Phosphoesters – Bimolecular vs. Intramolecular Dinuclear Pathway (pages 674–682)

      Le Wang, Yong Ye, Vasiliki Lykourinou, Alexander Angerhofer, Li-June Ming and Yufen Zhao

      Version of Record online: 3 JAN 2011 | DOI: 10.1002/ejic.201000668

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      CuII complexes of an imidazole-containing cyclophosphazene multidentate ligand exhib2Im6Cpz and Cu3Im6Cpz exhibit an intramolecular dinuclear pathway; whereas CuIm6Cpz has an intermolecular dinuclear pathway. Cu3Im6Cpz also shows a higher activity than the untethered CuII(N-methylimidazole)2 complex.

    7. Chirality in Mo Clusters

      Cuboidal Mo3S4 and Mo3NiS4 Complexes Bearing Dithiophosphates and Chiral Carboxylate Ligands: Synthesis, Crystal Structure and Fluxionality (pages 683–693)

      Rita Hernandez-Molina, Javier Gonzalez-Platas, Konstantin A. Kovalenko, Maxim N. Sokolov, Alexandre V. Virovets, Rosa Llusar and Cristian Vicent

      Version of Record online: 5 JAN 2011 | DOI: 10.1002/ejic.201000795

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      The synthesis and crystal structures of group 6 cubane-type clusters bearing dithiophosphato and carboxylato bridging ligands of general formula [M3S4(μ-Lac)(dtp)3(py)] (M = Mo, W; Lac = lactate) and [Mo3(Nipy)S4(μ-OAc)(dtp)3(py)] are reported. Variable-temperature 31P{1H} and 1H NMR experiments allowed the fluxional behaviour of these complexes to be elucidated.

    8. Vanadium Solution Speciation

      Vanadium(IV) and -(V) Complexes of Reduced Schiff Bases Derived from Aromatic o-Hydroxyaldehydes and Tyrosine Derivatives (pages 694–708)

      Isabel Correia, Susana Marcão, Kamila Koci, Isabel Tomaz, Pedro Adão, Tamás Kiss, Tamás Jakusch, Fernando Avecilla and João Costa Pessoa

      Version of Record online: 10 JAN 2011 | DOI: 10.1002/ejic.201000948

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      The reduced Schiff bases of salicylaldehyde and pyridoxal with L-Tyr and o-tyrosine were characterized and found to be much more stable than the corresponding Schiff bases. The complexation with oxovanadium in aqueous solution was studied byspectroscopic techniques and pH potentiometry. Mainly 1:1 complexes are formed, the VIVO complexes with the o-Tyr-derived ligands are more stable than those with L-Tyr.

    9. Achiral Polypyridyl Complexes

      Dinuclear Tris(1-pyrazolyl)methane Complexes of Ruthenium(II) (pages 709–720)

      Massimo Guelfi, Fausto Puntoriero, Scolastica Serroni and Gianfranco Denti

      Version of Record online: 14 JAN 2011 | DOI: 10.1002/ejic.201000962

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      Six novel pyrazine- and 4,4′-bipyridine-bridged dinuclear achiral complexes containing [Ru(tpm)(L-L)]2+ units [tpm = tris(1-pyrazolyl)methane; L-L = 2,2′-bpy, phen, biq] have been synthesized and characterized fully. The electrochemical and photophysical behavior of these complexes have been investigated and interpreted. Mixed-valence RuII/RuIII species have been studied by spectroelectrochemistry.

    10. Organoalkali Metal Compounds

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      Synthesis and Structures of [(Trimethylsilyl)methyl]sodium and -potassium with Bi- and Tridentate N-Donor Ligands (pages 721–726)

      William Clegg, Ben Conway, Alan R. Kennedy, Jan Klett, Robert E. Mulvey and Luca Russo

      Version of Record online: 11 JAN 2011 | DOI: 10.1002/ejic.201000983

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      The synthesis of [(trimethylsilyl)methyl]sodium [NaCH2SiMe3] is reported, together with structures of complexes of [(trimethylsilyl)methyl]sodium and -potassium with bi- and tridentate ligands TMEDA and PMDETA. The polymeric complexes[(TMEDA)NaCH2SiMe3] and [(PMDETA)KCH2SiMe3] form helical chains, whereas [(TMEDA)3(KCH2SiMe3)4] forms pseudotetramers.

    11. Chiral Dendritic Polyoxometalates

      Optically Active Tripodal Dendritic Polyoxometalates: Synthesis, Characterization and Their Use in Asymmetric Sulfide Oxidation with Hydrogen Peroxide (pages 727–738)

      Claire Jahier, Marie-Flora Coustou, Martine Cantuel, Nathan D. McClenaghan, Thierry Buffeteau, Dominique Cavagnat, Mauro Carraro and Sylvain Nlate

      Version of Record online: 4 JAN 2011 | DOI: 10.1002/ejic.201001111

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      Chiral dendritic POMs have been prepared by assembling enantiopure tripodal dendritic amines and acidic POM units. Solution UV/Vis, CD and VCD studies of the dendritic POMs, as well as their efficiency in the oxidation of sulfides to sulfoxides with enantiomeric excess, indicate significant induced optical activity in the POM cluster. These reactions confirm chirality transfer to the POM unit.

    12. Phosphorus-Rich Anions

      Making and Breaking of P–P Bonds with Low-Valent Transition-Metal Complexes (pages 739–747)

      Santiago Gómez-Ruiz, René Frank, Beatriz Gallego, Stefan Zahn, Barbara Kirchner and Evamarie Hey-Hawkins

      Version of Record online: 12 JAN 2011 | DOI: 10.1002/ejic.201001137

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      [{RhCl(cod)}2] and [AgCl(PPh3)2] react with the linear dianionic ligand (P4Mes4)2– with the breaking and making of P–P bonds to give [Na(thf)3][Rh(P3Mes3)(cod)] (2) (with Na–Rh interactions) and [Ag4(P6Mes6)2] (5) (with intramolecular argentophilic interactions) as the major products, respectively.

    13. Supramolecular Assemblies

      A 2-Pyrazoline-Functionalized Zinc Complex: Available N–AgI Interaction Modulating Its Fluorescence Properties (pages 748–753)

      Hui-hui Zhang, Wei Dou, Wei-sheng Liu, Xiao-liang Tang and Wen-wu Qin

      Version of Record online: 29 DEC 2010 | DOI: 10.1002/ejic.201001083

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      A 2-pyrazoline-functionalized zinc complex (Zn-PMPB) with conformationally adaptable receptors, which show fluorescence enhancement on the basis of available pyrazolyl N–Ag+ ion interaction, has been designed. The photochemical properties of the complex show that its use as a luminescent probe for cations would effectively construct a higher level recognition system by synergistic effect.

    14. Porous Structures

      Solvothermal Synthesis, Characterization, and Formation Mechanism of a Single-Layer Anatase TiO2 Nanosheet with a Porous Structure (pages 754–760)

      Yajie Chen, Guohui Tian, Zhiyu Ren, Chungui Tian, Kai Pan, Wei Zhou and Honggang Fu

      Version of Record online: 29 DEC 2010 | DOI: 10.1002/ejic.201000999

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      A single-layer polycrystalline anatase TiO2 nanosheet with a porous structure was synthesized through a simple solvothermal synthetic method, followed by calcination.The material showed great potential as a convenient and powerful surface-enhanced Raman scattering substrate.

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