European Journal of Inorganic Chemistry

Cover image for Vol. 2011 Issue 22

August 2011

Volume 2011, Issue 22

Pages 3269–3413

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Short Communications
    6. Full Papers
    1. Electrostatic Interaction of Negatively Charged Core–Shell Nanoparticles with Antitumoral Cationic Platinum-Based Complexes (Eur. J. Inorg. Chem. 22/2011)

      Miroslav Gál, Ján Híveš, Michele Laus, Katia Sparnacci, Mauro Ravera, Elisabetta Gabano and Domenico Osella

      Version of Record online: 27 JUL 2011 | DOI: 10.1002/ejic.201190063

  2. Graphical Abstract

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

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

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

      A Tetranuclear Planar Hafnium Complex Containing O–Hf–S Moieties (pages 3281–3283)

      Federica Maratini, Luciano Pandolfo, Silvia Rizzato, Alberto Albinati, Alfonso Venzo, Eugenio Tondello and Silvia Gross

      Version of Record online: 29 JUN 2011 | DOI: 10.1002/ejic.201100223

      Thumbnail image of graphical abstract

      By reacting Hf(OnBu)4 with an excess of thioacetic acid, the first crystallographically authenticated hafnium oxothiocluster, containing O–Hf–S moieties was obtained. In the planar Hf4 core, the Hf ions are connected through μ3-O and μ2-OBu bridges, while the thioacetate ions behave both as chelating and bridging ligands.

    2. Magnesium Complexes

      Alkoxymagnesium Iodide Complexes (pages 3284–3287)

      Peter Haiss, Annette Kuhn, Norbert Kuhn, Cäcilia Maichle-Mößmer, Stefan Laufer, Manfred Steimann and Klaus-Peter Zeller

      Version of Record online: 27 JUN 2011 | DOI: 10.1002/ejic.201100370

      Thumbnail image of graphical abstract

      The complexes R1(Ph)MeCOMg(Et2O)I [1, R1 = Me (a), Ph (b)] are obtained by the reaction of R1(Ph)C=O with MeMgI in diethyl ether in good yields. Crystallisation of 1 from acetonitrile results in single crystals of di- and trinuclear complexes (2, 3 and 4) in which the metal centres are linked by alkoxy substituents. The thermal decomposition of the complexes 1 is monitored by mass spectral detection of the decomposition products.

  5. Full Papers

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Short Communications
    6. Full Papers
    1. Nanoparticle–Drug Conjugates

      Electrostatic Interaction of Negatively Charged Core–Shell Nanoparticles with Antitumoral Cationic Platinum-Based Complexes (pages 3289–3294)

      Miroslav Gál, Ján Híveš, Michele Laus, Katia Sparnacci, Mauro Ravera, Elisabetta Gabano and Domenico Osella

      Version of Record online: 11 JUL 2011 | DOI: 10.1002/ejic.201100454

      Thumbnail image of graphical abstract

      The interaction between two cationic antiproliferative Pt compounds and novel poly(methyl methacrylate) core–shell nanoparticles bearing sulfonic arms has been studiedby electrochemical techniques to determine whether such particles might serve as drug carriers.

    2. Platensimycin Derivatives

      Synthesis of Optically Active Ferrocene-Containing Platensimycin Derivatives with a C6–C7 Substitution Pattern (pages 3295–3302)

      Malay Patra, Gilles Gasser, Michaela Wenzel, Klaus Merz, Julia E. Bandow and Nils Metzler-Nolte

      Version of Record online: 22 JUN 2011 | DOI: 10.1002/ejic.201100497

      Thumbnail image of graphical abstract

      An efficient synthetic route to optically active planar chiral ferrocene-containing bioorganometallics (2b) inspired by the antibiotic platensimycin lead structure has been developed. The absolute configurations were confirmed by X-ray crystallography. Docking experiments with (S,SP)-2b showed the existence of a pocket for the ferrocene fused at C6–C7 position of the cyclohexenone moiety. Compounds 2b represent a new family of compounds with an as yet unexplored substitution pattern compared to the reported purely organic analogues of platensimycin.

    3. Magnetite Nanoparticles as MRI Agents

      Synthesis of Well-Dispersed Aqueous-Phase Magnetite Nanoparticles and Their Metabolism as an MRI Contrast Agent for the Reticuloendothelial System (pages 3303–3313)

      Yujun Song, Ruixue Wang, Rong Rong, Jie Ding, Jing Liu, Runsheng Li, Zhenghua Liu, Hao Li, Xiaoying Wang, Jue Zhang and Jing Fang

      Version of Record online: 1 JUL 2011 | DOI: 10.1002/ejic.201100017

      Thumbnail image of graphical abstract

      Ultrasmall aqueous-phase magnetite nanoparticles, stabilized by poly(vinylpyrrolidone), trisodium citrate, and maleic anhydride, exhibit long-term aqueous dispersion stability, excellent biocompatibility, and superparamagnetic properties. A stabilizing synergistic effect is proposed from the strong chelating effect (shaded) of maleic anhydride, and the hydrogen bond interaction between the three stabilizers (arrowed).

    4. Gadolinium Porphyrinates

      Synthesis, Structure, and Photophysical Properties of Some Gadolinium(III) Porphyrinate Complexes (pages 3314–3320)

      Xun-Jin Zhu, Tao Zhang, Shunsheng Zhao, Wai-Kwok Wong and Wai-Yeung Wong

      Version of Record online: 29 JUN 2011 | DOI: 10.1002/ejic.201100025

      Thumbnail image of graphical abstract

      A series of gadolinium(III) porphyrinate complexes was synthesized and fully characterized by spectroscopic and X-ray crystallographic methods. The electronic spectra show near-infrared phosphorescence from the triplet state of the porphyrin rings and exhibit a very characteristic vibronic-structured emission.

    5. Aggregation States of Mg Complexes

      Synthesis and Structural Characterization of Bis(salicylaldiminato)magnesium Complexes of Varying Aggregation and Coordination State (pages 3321–3326)

      Geoffrey T. Quinque, Allen G. Oliver and Jeffrey A. Rood

      Version of Record online: 29 JUN 2011 | DOI: 10.1002/ejic.201100256

      Thumbnail image of graphical abstract

      A series of bis(salicylaldiminato)magnesium complexes have been synthesized and characterized in the solid state. Substitution of the ligand backbone was found to influence both the aggregation and the magnesium coordination state in these complexes.

    6. Heteroleptic Dinickel Complexes

      Synthesis, Structural Characterization, and Magnetic Properties of the Heteroleptic Dinuclear Nickel Selenite Complex [{Ni(TMEDA)SeO3}2] (pages 3327–3333)

      Massimiliano Delferro, Claudia Graiff, Luciano Marchiò, Lisa Elviri, Marcello Mazzani, Mauro Riccò and Giovanni Predieri

      Version of Record online: 22 JUN 2011 | DOI: 10.1002/ejic.201100385

      Thumbnail image of graphical abstract

      The reaction of Ni(NO3)2·6H2O with Na2SeO3 in the presence of tetramethylethylenediamine (TMEDA) yielded the heteroleptic complex [{Ni(TMEDA)SeO3}2]. The two nickel ions exhibit antiferromagnetic coupling with J = –25.7 ± 0.1 cm–1, in good agreement with DFT calculations.

    7. Selenium Scavenger

      Ultrasound-Induced Rapid Intercalation of Biselenite in Layered Double Hydroxides (pages 3334–3339)

      Jong Hyeon Lee, Yeon Soo Lee, Hana Kim and Duk-Young Jung

      Version of Record online: 28 JUN 2011 | DOI: 10.1002/ejic.201100261

      Thumbnail image of graphical abstract

      By using facile ultrasonic treatment in ethanol, carbonate ions in the interlayer spaces of layered double hydroxides can be successfully exchanged with biselenite ions within a few minute.

    8. Silver Complexes

      New Pyridazine-Bridged NHC/Pyrazole Ligands and Their Sequential Silver(I) Coordination (pages 3340–3348)

      Jan Wimberg, Ulrich J. Scheele, Sebastian Dechert and Franc Meyer

      Version of Record online: 4 JUL 2011 | DOI: 10.1002/ejic.201100264

      Thumbnail image of graphical abstract

      A family of new pyridazine-bridged ditopic ligands has been prepared, which provide both an organometallic NHC and a classic N-donor compartment. Two opposing strands of these ligands sequentially bind up to three silver(I) ions. Complexation starts at the NHC subunit and involves some ligand reshuffling to form a trisilver arrangement, which has been elucidated by NMR spectroscopy and X-ray crystallography.

    9. Germylene Ligands

      1,2-Carbagerma-closo-dodecaborate as a Germanium Ligand in Coordination Chemistry – Synthesis, Structure and Reactivity (pages 3349–3356)

      Anita Wagenpfeil, Claudia Nickl, Hartmut Schubert, Klaus Eichele, Mark A. Fox and Lars Wesemann

      Version of Record online: 28 JUN 2011 | DOI: 10.1002/ejic.201100310

      Thumbnail image of graphical abstract

      An improved synthesis of carbagerma-closo-dodecaborate is presented. Coordination compounds with this type of germylene ligands are structurally characterized, and the ligand properties are discussed by using the results of quantum chemical calculations.

    10. Cationic Group 15 Species

      Aminotroponiminate and Aminotroponate Complexes of Group 15 (P, As) Elements: Synthesis, X-ray Diffraction Analysis and Reactivity (pages 3357–3364)

      Lucian-Cristian Pop, Annie Castel, Luminita Silaghi-Dumitrescu and Nathalie Saffon

      Version of Record online: 28 JUN 2011 | DOI: 10.1002/ejic.201100131

      Thumbnail image of graphical abstract

      Aminotroponiminato and aminotroponato ligands have proved to be particularly effective in the stabilization of phosphenium and arsenium cations. NMR and X-ray diffraction studies highlight perfect chelation with the formation of three-coordinate Group 15 elements. The reactivities of these species towards o-quinone and transition-metal complexes were investigated.

    11. Simulation of Si NMR Spectra

      29Si NMR Shielding Calculations Employing Density Functional Theory, Focussing on Hypervalent Silicon Compounds (pages 3365–3373)

      Van An Du, Gregor N. Stipicic and Ulrich Schubert

      Version of Record online: 4 JUL 2011 | DOI: 10.1002/ejic.201100286

      Thumbnail image of graphical abstract

      29Si NMR chemical shifts of 41 silicon-containing compounds were calculated by employing DFT. The choice of a suitable basis set had a much larger influence on the accuracy of the results than the choice of functional. For a subset of compounds, GIAO-HF and MP2 ab initio calculations were performed and compared with the DFT results.

    12. Oligophosphane Synthesis

      Stepwise Synthesis of Siloxane-Substituted Oligophosphanes Pn[O(iPr2Si)2]2 (n = 2, 4) (pages 3374–3380)

      Andreas Kracke and Carsten von Hänisch

      Version of Record online: 28 JUN 2011 | DOI: 10.1002/ejic.201100375

      Thumbnail image of graphical abstract

      Siloxane-bridged P2 and P4 compounds can be synthesized from metalated primary or cyclic diphosphanylsiloxane compounds via oxidative coupling using C2H4Br2 as reagent. These metalated compounds are obtained from the reaction of earth alkaline amides and the protonated species of the corresponding diphosphanylsiloxane compounds.

    13. Hydrogenation

      Reduction of Nitriles to Amines with H2 Catalyzed by Nonclassical Ruthenium Hydrides – Water-Promoted Selectivity for Primary Amines and Mechanistic Investigations (pages 3381–3386)

      Chidambaram Gunanathan, Markus Hölscher and Walter Leitner

      Version of Record online: 22 JUN 2011 | DOI: 10.1002/ejic.201100392

      Thumbnail image of graphical abstract

      Selective synthesis of primary amines by the catalytic hydrogenation of nitriles with nonclassical ruthenium hydride pincer complexes is reported. Use of water as additive increases the selectivity and rate of the reactions. Possible catalytic cycles were identified for this important reaction of industrial significance by means of DFT calculations.

    14. Through-Space NMR Coupling

      Through-Space J(P,P) and J(P,F) Spin–Spin Coupling in C1-Symmetric Biaryl Diphosphanes (pages 3387–3397)

      Laurence Bonnafoux, Ludger Ernst, Frédéric R. Leroux and Françoise Colobert

      Version of Record online: 28 JUN 2011 | DOI: 10.1002/ejic.201100428

      Thumbnail image of graphical abstract

      The first simultaneous 31P,31P and 31P,19F solution-phase through-space nuclear spin–spin coupling in biphenyl derivatives is reported. Their observation became possible through access to a recently developed class of C1-symmetric biphenyl diphosphanes.

    15. Metal Diboride Layers

      The Unexpected Formation of MB2 Layers (M = Refractory Metal) on Metal Surfaces (pages 3398–3402)

      Wibke Friedhoff, Edgar Milke and Michael Binnewies

      Version of Record online: 28 JUN 2011 | DOI: 10.1002/ejic.201001064

      Thumbnail image of graphical abstract

      In the course of reactions between refractory metals (Ti, Zr, V, Nb, Ta) with boron(III) chloride at temperatures of about 1500 K, layers of the diborides of these metals are formed. The coexistence of the refractory metal with its diboride is impossible from a thermodynamic viewpoint. The formation of metal diborides in the presence of the metal is discussed.

    16. Metal(I)–N,S-Ligand Complexes

      Synthesis and Structural Characterization of Copper(I), Silver(I) and Gold(I) Complexes with Pyrimidine-2-thionato Ligands and their Adducts with Phosphanes (pages 3403–3413)

      Antonio Rodríguez, Antonio Sousa-Pedrares, José A. García-Vázquez, Jaime Romero and Antonio Sousa

      Version of Record online: 29 JUN 2011 | DOI: 10.1002/ejic.201100156

      Thumbnail image of graphical abstract

      Electrochemical oxidation of anodic metal (copper or silver) in a cell containing asubstituted pyrimidine-2-thione and acetonitrile affords homoleptic complexes [M(RpymS)]. The reactions of these homoleptic complexes with phosphanes yield heteroleptic complexes. Mixed gold(I) complexes were also easily prepared by reaction between the corresponding thione and the precursor [AuCl(PPh3)].

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