European Journal of Inorganic Chemistry

Cover image for Vol. 2011 Issue 16

June 2011

Volume 2011, Issue 16

Pages 2477–2630

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Full Papers
    1. Mechanistic Insights into the Palladium-Catalysed Asymmetric Phosphination of Cyclohexenyl Triflate (Eur. J. Inorg. Chem. 16/2011)

      Delphine Julienne, Olivier Delacroix, Jean-François Lohier, Jana Sopkova de Oliveira-Santos and Annie-Claude Gaumont

      Article first published online: 19 MAY 2011 | DOI: 10.1002/ejic.201190045

  2. Graphical Abstract

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

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

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Full Papers
    1. Asymmetric Phosphination

      Mechanistic Insights into the Palladium-Catalysed Asymmetric Phosphination of Cyclohexenyl Triflate (pages 2489–2498)

      Delphine Julienne, Olivier Delacroix, Jean-François Lohier, Jana Sopkova de Oliveira-Santos and Annie-Claude Gaumont

      Article first published online: 12 JAN 2011 | DOI: 10.1002/ejic.201000987

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      Preliminary mechanistic investigations on the asymmetric C–P cross-coupling reaction between secondary (methyl)phenylphosphane–borane and cyclohexenyl triflate is reported. The individual steps as well asthe structure of the main intermediates involved in the catalytic cycle have been determined. A kinetic resolution process was proposed to explain the enantioselection observed.

    2. Magnetism of Silver(II) Salt

      Silver(II) Fluorosulfate: A Thermally Fragile Ferromagnetic Derivative of Divalent Silver in an Oxa-Ligand Environment (pages 2499–2507)

      Przemysław J. Malinowski, Mariana Derzsi, Zoran Mazej, Zvonko Jagličić, Piotr J. Leszczyński, Tomasz Michałowski and Wojciech Grochala

      Article first published online: 26 APR 2011 | DOI: 10.1002/ejic.201100077

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      Ag(SO3F)2 exhibits a puckered sheet structure and it shows 2D ferromagnetism below 25 K; DFT methods predict it to be a magnetic semiconductor with the band gap at the Fermi level of approximately 1.05 eV.Magnetic superexchange take place through the OO moiety of the structural O–S–O bridge while omitting the sulfur atom, similarly as for related AgSO4.

    3. Mixed-Valent Silver Compounds

      Ag3(SO3F)4: A Rare Example of a Mixed-Valent AgII/AgI Compound Showing 1D Antiferromagnetism (pages 2508–2516)

      Tomasz Michałowski, Przemysław J. Malinowski, Mariana Derzsi, Zoran Mazej, Zvonko Jagličić, Piotr J. Leszczyński and Wojciech Grochala

      Article first published online: 26 APR 2011 | DOI: 10.1002/ejic.201100110

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      Dark brown monoclinic Ag3(SO3F)4 shows 1D antiferromagnetism with an anomalously large superexchange coupling constant of –7.5 meV per pair of paramagnetic AgII cations (for the spin density see the figure). One-dimensional [AgIISO3F]+ chains, linked through fluorosulfate anions into [AgII(SO3F)3] sheets, constitute characteristic structural features responsible for magnetic behaviour.

    4. Computation of Ir Phosphorescence

      Theoretical Study of Phosphorescence of Iridium Complexes with Fluorine-Substituted Phenylpyridine Ligands (pages 2517–2524)

      Xin Li, Boris Minaev, Hans Ågren and He Tian

      Article first published online: 18 APR 2011 | DOI: 10.1002/ejic.201100084

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      The phosphorescence of iridium complexes with Fnppy (ppy = phenylpyridine) ligands was studied by linear and quadratic response theory. The 0–0 transition energy and the radiative rate constant were well predicted, thus proving the usefulness of quantum chemical calculations in aiding experiments.

    5. B–H Activation

      Unprecedented B–H Activation Through Pd-Catalysed B–Cvinyl Bond Coupling on Borane Systems (pages 2525–2532)

      Pau Farràs, David Olid-Britos, Clara Viñas and Francesc Teixidor

      Article first published online: 20 APR 2011 | DOI: 10.1002/ejic.201100177

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      The applicability of Heck reaction on metallacarboranes induced cascade B–Cvinylcoupling that produces multiple B–Cvinyl bonds starting from a single B–I bond.

    6. Dye-Sensitized Solar Cells

      Photovoltaic Performance and Characteristics of Dye-Sensitized Solar Cells Prepared with the N719 Thermal Degradation Products [Ru(LH)2(NCS)(4-tert-butylpyridine)][N(Bu)4] and [Ru(LH)2(NCS)(1-methylbenzimidazole)][N(Bu)4] (pages 2533–2539)

      Phuong Tuyet Nguyen, Binh Xuan Thi Lam, Anders Rand Andersen, Poul Erik Hansen and Torben Lund

      Article first published online: 26 APR 2011 | DOI: 10.1002/ejic.201000935

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      The dye-sensitized solar cell (DSC) N719 thermal degradation products [Ru(LH)2(NCS)(4-tert-butylpyridine)][N(Bu)4] (1) and [Ru(LH)2(NCS)(1-methylbenzimidazole)][N(Bu)4] (2) were synthesized from [Ru(LH)2(NCS)2][N(Bu)4]2 (N719) and characterized by ESI-MS and NMR spectroscopy. DSCs prepared with 1 and 2 have efficiencies lower than N719 cells.

    7. Coordination Complexes

      Coordination Behavior of the S–C–S Monoanion and O–C–O and S–C–S Dianions toward CoII (pages 2540–2546)

      Hadrien Heuclin, Thibault Cantat, Xavier Frédéric Le Goff, Pascal Le Floch and Nicolas Mezailles

      Article first published online: 21 APR 2011 | DOI: 10.1002/ejic.201100144

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      Reactions of geminal dianions derived from bis(dimethylthiophosphinoyl)methane and tetraisopropyl methylenediphosphonate with CoCl2 yield dinuclear CoII complexes featuring a Co2C2 square core.

    8. Diiron(III) Complexes

      Asymmetrically Dibridged Diiron(III) Complexes with Aminebis(phenoxide)-Based Ligands for a Magnetostructural Study (pages 2547–2557)

      Thomas Weyhermüller, Rita Wagner and Phalguni Chaudhuri

      Article first published online: 28 APR 2011 | DOI: 10.1002/ejic.201001340

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      A magneto-structural correlation of asymmetrically dibridged (hydroxo, methoxo, acetato) diferric(III) complexes with similar compounds of the literature is attempted.

    9. Fe–O–Fe Bridging Angle

      Synthesis and Crystal Structures of μ-Oxido- and μ-Hydroxido-Bridged Dinuclear Iron(III) Complexes with an N2O Donor Ligand – A Theoretical Study on the Influence of Weak Forces on the Fe–O–Fe Bridging Angle (pages 2558–2566)

      Rituparna Biswas, Michael G. B. Drew, Carolina Estarellas, Antonio Frontera and Ashutosh Ghosh

      Article first published online: 18 APR 2011 | DOI: 10.1002/ejic.201100032

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      Two new dinuclear FeIII complexes with a tridentate N,N,O donor ligand have been synthesized and characterized. One has an unsupported oxido bridge with a small Fe–O–Fe angle, and the other has a hydroxidobridge supported by a formato ligand. A theoretical study has been performed to study the influence of weak interactions on the small Fe–O–Fe angle in the oxido-bridged complex.

    10. Porphyrinoids

      Synthesis and Study of the Binuclear μ-Oxodiiron(III) Complexes of 5-Monoaza- and 5,15-Diaza-Substituted β-Octaalkylporphyrins (pages 2567–2578)

      Pavel A. Stuzhin, Anwar Ul-Haq, Sergej E. Nefedov, Roman S. Kumeev and Oscar I. Koifman

      Article first published online: 29 APR 2011 | DOI: 10.1002/ejic.201100112

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      The μ-oxo bridge in β-alkylsubstituted μ-oxodiiron(III) complexes of meso-monoaza- and meso-diazaporphyrins is accessible for H-bonding interaction with solvent molecules. This very likely determines the lower stability of these species in acidic medium compared with the derivatives of meso- or β-phenylated porphyrins.

    11. Peroxido Complexes

      Rhodium and Iridium Complexes with α-Diketimine Ligands: Oxidative Addition of H2 and O2 (pages 2579–2587)

      Anna Penner and Thomas Braun

      Article first published online: 21 APR 2011 | DOI: 10.1002/ejic.201100135

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      Unique rhodium(I) and iridium(I) α-diketimine compounds were synthesized starting from [M(μ-Cl)(coe)2]2 (M = Rh, Ir, coe = cyclooctene). Treatment with H2 or O2 ledto the formation of an IrIII dihydrido complex as well as RhIII and IrIII peroxido complexes. The reactions with H2 and O2 are reversible.

    12. Push–Pull Phosphanes

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      Bis(diethylamino)(pentafluorophenyl)phosphane – a Push–Pull Phosphane Available for Coordination (pages 2588–2596)

      Andreas Orthaber, Michael Fuchs, Ferdinand Belaj, Gerald N. Rechberger, C. Oliver Kappe and Rudolf Pietschnig

      Article first published online: 27 APR 2011 | DOI: 10.1002/ejic.201100138

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      Unlike their previously reported congeners, “push–pull”-substituted (amino)(fluoroaryl)phosphanes have been made available for reactions at phosphorus includingcoordination to metal centers, which was employed for catalyzing C–C coupling and “click” reactions.

    13. Chiral Coordination 1D-Polymers

      The First P-Stereogenic 1D Coordination Polymers with the Metal Centers in the Backbone (pages 2597–2609)

      Christine Salomon, Daniel Fortin, Naïma Khiri, Sylvain Jugé and Pierre D. Harvey

      Article first published online: 7 APR 2011 | DOI: 10.1002/ejic.201100154

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      The (R,R)- and (S,S)-bis(o-anisylphenylphosphanyl)methane and bis(m-xylylphosphanyl)methane ligands (dppm*) react with Cu(BF4)2/Cu and Ag(BF4) to form the chiral binuclear complexes, which in turn react with 1,8-diisocyano-p-menthane (dmb) to give the first P-stereogenic 1D coordination polymers {[M2(dppm*)2(dmb)2](BF4)2}n. The isostrutural nature of these new polymers with the parent symmetric dppm-containing polymers was unambiguously demonstrated by using a combination of several structure elucidation methods. All compounds and polymers were also characterized by circular dichroism spectroscopy.

    14. Oxidation Catalysis

      Optimization of the Efficiency of Oxidation Catalysts Based on Iron Bispidine Complexes (pages 2610–2615)

      Peter Comba, Hubert Wadepohl and Sebastian Wiesner

      Article first published online: 20 APR 2011 | DOI: 10.1002/ejic.201100212

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      Both the redox potential and the efficiency of the catalytic oxidation by a biomimetic bispidine-based iron precatalyst are optimized by increasing the ligand rigidity.

    15. Energetic Compounds

      Preparation, Crystal Structures, Thermal Decomposition and Explosive Properties of Two Novel Energetic Compounds M(IMI)4(N3)2 (M = CuII and NiII, IMI = Imidazole): The New High–Nitrogen Materials (N > 46 %) (pages 2616–2623)

      Bi-dong Wu, Shi-wei Wang, Li Yang, Tong-lai Zhang, Jian-guo Zhang, Zun-ning Zhou and Kai-bei Yu

      Article first published online: 28 APR 2011 | DOI: 10.1002/ejic.201100054

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      Cu(IMI)4(N3)2 (IMI = imidazole) crystallizes in the orthorhombic space group Pna21. The metal cations are six-coordinate, and are linked to two azido ligands by μ1-azido bridges and to four imidazole molecules through nitrogen atoms. In addition, this compound has high impact and friction sensitivity and therefore has potential application as an energetic material.

    16. Layered Double Hydroxides

      Structure and Composition of the Layered Double Hydroxides of Mg and Fe: Implications for Anion-Exchange Reactions (pages 2624–2630)

      G. V. Manohara, S. V. Prasanna and P. Vishnu Kamath

      Article first published online: 28 APR 2011 | DOI: 10.1002/ejic.201100104

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      UV/Vis spectrophotometry shows that Mg/Fe LDH crystallizes with a fixed Fe content. The structure of the Mg/Fe–CO3 LDH was obtained by Rietveld refinement. The ordered Mg/Fe–CO3 LDH was prepared by cation exchange starting from Mg(OH)2. The UV/Vis absorption spectra show that the LDH composition corresponds to [Mg]/[Fe] = 4.

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