European Journal of Inorganic Chemistry

Cover image for Vol. 2012 Issue 4

February 2012

Volume 2012, Issue 4

Pages 587–750

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      Experimental and Theoretical Studies of Unusual Four-Membered Metallacycles from Reactions of Group 4 Metallocene Bis(trimethylsilyl)acetylene Complexes with the Sulfurdiimide Me3SiN=S=NSiMe3 (Eur. J. Inorg. Chem. 4/2012)

      Katharina Kaleta, Martin Ruhmann, Oliver Theilmann, Subhendu Roy, Torsten Beweries, Perdita Arndt, Alexander Villinger, Eluvathingal D. Jemmis, Axel Schulz and Uwe Rosenthal

      Version of Record online: 24 JAN 2012 | DOI: 10.1002/ejic.201290005

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  3. News

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  4. Microreview

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    1. Platinum(II) Hydrocarbyl Complexes

      Synthesis and Reactivity of Square-Planar PtII–η1-Hydrocarbyl Complexes Containing cis-Coordinated Olefin or Alkyne (pages 599–609)

      Maria Elena Cucciolito and Francesco Ruffo

      Version of Record online: 10 JAN 2012 | DOI: 10.1002/ejic.201101148

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      This review provides a survey of the key classes of PtII complexes containing cis-{Pt(η1-hydrocarbyl)(η2-unsaturated ligand)} moieties. A discussion of their mainfeatures is presented, which discloses the factors affecting their reactivity, dynamic behavior, and relative stability.

  5. Full Papers

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

      Experimental and Theoretical Studies of Unusual Four-Membered Metallacycles from Reactions of Group 4 Metallocene Bis(trimethylsilyl)acetylene Complexes with the Sulfurdiimide Me3SiN=S=NSiMe3 (pages 611–617)

      Katharina Kaleta, Martin Ruhmann, Oliver Theilmann, Subhendu Roy, Torsten Beweries, Perdita Arndt, Alexander Villinger, Eluvathingal D. Jemmis, Axel Schulz and Uwe Rosenthal

      Version of Record online: 12 DEC 2011 | DOI: 10.1002/ejic.201101188

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      The reactions of the metallocene alkyne complexes [Cp2Ti(η2-Me3SiC2SiMe3)] and [Cp2Zr(pyridine)(η2-Me3SiC2SiMe3)] with the sulfurdiimide Me3SiN=S=NSiMe3yields metallacyclic metallocene sulfurdiimide complexes. The molecular structure and DFT analysis of the titanocene product revealed the presence of a butterfly coordination of the diimide along with two Ti–N σ-bonds.

    2. Iminoether Complexes

      Iminoether Complexes of the Type, fac-[Re(CO)3L{HNC(CH3)OCH3}]BF4 (L = Bipyridine or a Substituted Bipyridine): Synthesis and Properties (pages 618–627)

      Theshini Perera, Pramuditha Abhayawardhana, Frank R. Fronczek, Patricia A. Marzilli and Luigi G. Marzilli

      Version of Record online: 3 JAN 2012 | DOI: 10.1002/ejic.201100768

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      fac-[Re(CO)3L{HNC(CH3)OCH3}]BF4complexes (L = bipyridines) formed readily when fac-[Re(CO)3(CH3CN)3]BF4 in CH3CN/CH3OH was treated with the bipyridines. The unprecedented facileiminoether formation from the CH3CN ligand bound to this low-valent ReI center was slow compared to the amidine formation. This implies that selective bioconjugation of the amino sugars to the amine groups is feasible.

    3. Nanocomposites

      Facile Synthesis of Porous Mn3O4 Nano­crystal–Graphene Nanocomposites for Electrochemical Supercapacitors (pages 628–635)

      Dewei Wang, Yuqi Li, Qihua Wang and Tingmei Wang

      Version of Record online: 21 DEC 2011 | DOI: 10.1002/ejic.201100983

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      Porous Mn3O4 nanocrystal–graphene nanocomposites have been successfully prepared by a facile solution based approach. An electrode comprising the as-prepared porous Mn3O4 nanocrystal–graphene nanocomposites exhibits enhanced rate capability and excellent electrochemical stability relative to electrodes comprising pure graphene or Mn3O4.

    4. Inorganic-Organic Hybrid

      Tris(allylammonium) Hexabromobismuthate(III) – Crystal Structure, Phase Transitions and Thermal, Dielectric, Vibrational and 1H NMR Properties Over a Range of Temperatures (pages 636–646)

      Iwona Płowaś, Agata Białońska, Grażyna Bator, Ryszard Jakubas, Wojciech Medycki and Jan Baran

      Version of Record online: 23 DEC 2011 | DOI: 10.1002/ejic.201100832

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      (C3H5NH3)3BiBr6 is built up of discrete BiBr63– anions and highly disordered allylammonium cations. The crystal undergoes phase transitions which were characterised by thermal, dielectric, infrared and 1H NMR spectroscopic methods. The mechanism of the phase transitions is due to the change in the cationic dynamics.

    5. Supramolecular MALDI-MS

      A Novel MALDI-MS Approach for the Analysis of Neutral Metallosupramolecular Architectures (pages 647–654)

      Aurélie Même, Artur R. Stefankiewicz, Jack Harrowfield, Xiao-Yu Cao, Juhani Huuskonen, Kari Rissanen, Jean-Marie Lehn, Hélène Nierengarten and Emmanuelle Leize

      Version of Record online: 16 DEC 2011 | DOI: 10.1002/ejic.201101008

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      Amongst the remarkably diverse range of structures that metallosupramolecular chemistry has generated, an important group is that of the neutral [2×2] metallogrids derived from diimine, dihydrazone and diacylhydrazone ligands. This type of neutral supramolecular inorganic architecture is, for the first time, characterized by MALDI-MS.

    6. Pincer Complexes

      Synthesis and Structural Characterization of Pincer Pyridine Diphosphite Complexes of Rhodium and Iridium (pages 655–663)

      Miguel Rubio, Andrés Suárez, Esmeralda Vega, Eleuterio Álvarez, Josefina Díez, M. Pilar Gamasa and Antonio Pizzano

      Version of Record online: 21 DEC 2011 | DOI: 10.1002/ejic.201100741

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      A family of RhI and IrI complexes based on an accepting pincer pyridine diphosphite ligand 1 has been prepared and characterized. IR studies indicate an exceedingly low ability of the metal pincer ligand fragment to back-donate. Structural characterization of complex [Rh(1)(C2H4)][BPh4] shows a remarkable in-plane conformation of the olefin ligand.

    7. Mixed-Ligand Complexes

      Synthesis, Characterisation, and Preliminary In Vitro Studies of Vanadium(IV) Complexes with a Schiff Base and Thiosemicarbazones as Mixed Ligands (pages 664–677)

      Nerissa A. Lewis, Fange Liu, Luke Seymour, Anthony Magnusen, Travis R. Erves, Jessa Faye Arca, Floyd A. Beckford, Ramaiyer Venkatraman, Antonio González-Sarrías, Frank R. Fronczek, Don G. VanDerveer, Navindra P. Seeram, Aimin Liu, William L. Jarrett and Alvin A. Holder

      Version of Record online: 28 DEC 2011 | DOI: 10.1002/ejic.201100898

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      The synthesis, characterisation and preliminary in vitro studies of mixed-ligand vanadium(IV) complexes with a Schiff base and thiosemicarbazones are presented and discussed.

    8. Redox Reaction Study

      Redox Reactions of a [RuIII(hedtra)(pz)] Complex with Biochemically Important Reductants: Kinetic, Mechanistic and Antimicrobial Studies (pages 678–683)

      Debabrata Chatterjee, Sarita Ghosh, Ujjwal Pal and Sudit Mukhopadhyay

      Version of Record online: 27 DEC 2011 | DOI: 10.1002/ejic.201100969

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      [RuIII(hedtra)(pz)] (hedtra3– = N-hydroxyethylethylenediaminetriacetate; pz = pyrazine) can effectively be reduced to [RuII(hedtra)(pz)] at λmax = 462 nm by a biologically important reductant Red (Red = L-ascorbic acid, catechol and cysteine).

    9. Organic-inorganic Hybrids

      Langmuir–Blodgett Films of Hexamolybdate and Naphthylamine Prepared by Two Different Approaches: Synthesis, Characterization, and Materials Properties (pages 684–694)

      Qian Liu, Lei Hu, Hui Fu, Jun Yang, Qiao-Min Fu, Li Liu, Shi-Zhong Liu, Zu-Liang Du, Cheuk-Lam Ho, Feng-Rong Dai and Wai-Yeung Wong

      Version of Record online: 20 DEC 2011 | DOI: 10.1002/ejic.201100972

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      The organoimido derivatives NA–Mo6 and NA2–Mo6 were synthesized. LB films of covalently-linked NA–Mo6 and NA2–Mo6 and noncovalently-bonded parent hexamolybdate and neat naphthylamines were prepared and characterized. The charge transfer between the electron-donating naphthylimido and electron-accepting hexamolybdate was shown to be the cause of the luminescence quenching of the covalently-linked compound.

    10. Electron Donors

      Guanidine Electron Donors and Silver Halides: Interplay and Competition between Redox, Coordination and Polymerization Reactions (pages 695–704)

      Dimitri Emeljanenko, Julian Horn, Elisabeth Kaifer, Hubert Wadepohl and Hans-Jörg Himmel

      Version of Record online: 21 DEC 2011 | DOI: 10.1002/ejic.201101002

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      Competition between different reaction types is observed in the reaction between guanidine electron donors and silver halides. Several coordination polymers are among the products with silver halide clusters or chains connected to highly ordered arrays by guanidine spacers.

    11. 2D NLO Materials

      A DFT Study on The Two-Dimensional Second-Order Nonlinear Optical (NLO) Response of Terpyridine-Substituted Hexamolybdates: Physical Insight on 2D Inorganic–Organic Hybrid Functional Materials (pages 705–711)

      Muhammad Ramzan Saeed Ashraf Janjua, Muhammad Amin, Muhammad Ali, Beenish Bashir, Muhammad Usman Khan, Muhammad Awais Iqbal, Wei Guan, Likai Yan and Zhong-Min Su

      Version of Record online: 15 DEC 2011 | DOI: 10.1002/ejic.201101092

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      Two-dimensional second-order nonlinear optical layout in terpyridine-substituted hexamolybdates suggests that the 2D character of the charge transfer and the structure–property relationships that was revealed in this paper may provide guidelines for the rational design of further promising structures for potential applications in 2D nonlinear optics.

    12. Supramolecular Frameworks

      Homochiral, Supramolecular Frameworks Built from a Zinc(II) Tetramer or Cadmium(II) Dimer Containing Enantiopure Carboxylate Ligands Functionalized with a Strong π···π Stacking Synthon (pages 712–719)

      Daniel L. Reger, Agota Debreczeni and Mark D. Smith

      Version of Record online: 21 DEC 2011 | DOI: 10.1002/ejic.201101109

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      The ligand (S)-2-(1,8-naphthalimido)propanoate (Lala) forms a tetrameric zinc(II) complex, [Zn4(Lala)6(OH)2(MeOH)4], in which strong π···π stacking interactions of the 1,8-naphthalimide groups organize the tetramers into a 3D, homochiral supramolecular framework supported exclusively by noncovalent forces. The ligand also forms the acentric dimeric cadmium(II) complex, [Cd2(Lala)4(DMF)3(MeOH)].

    13. Coupling Reactions

      C–H Bond Activation of Palladium Complexes That Feature Pendant Benzamidinate Ligands and Their Catalytic Behaviours (pages 720–726)

      Ming-Tsz Chen, Kai-Min Wu and Chi-Tien Chen

      Version of Record online: 15 DEC 2011 | DOI: 10.1002/ejic.201101125

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      Herein we report on the blocking of the ortho position of the phenyl group on the nitrogen atom of the amidinate to obtain the chelate intermediate compound and then initiating the C–H activation in the ortho position of the phenyl group on the carbon atom of the amidinate.

    14. Superparamagnetic Nanoparticles

      Superparamagnetic Core-Shell-Type Fe3O4/Ru Nanoparticles as Catalysts for the Selective Hydrogenation of an Unconstrained α,β-Unsaturated Ketone (pages 727–732)

      Farooq-Ahmad Khan and Georg Süss-Fink

      Version of Record online: 19 DEC 2011 | DOI: 10.1002/ejic.201100869

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      Superparamagnetic core-shell-type Fe3O4/Ru nanoparticles (≈15 nm) catalyze the selective C=O hydrogenation of trans-4-phenyl-3-penten-2-one with 90 % selectivity under mild conditions.

    15. Proton Sponge Ligands

      Proton Sponge Phosphanes: Reversibly Chargeable Ligands for ESI-MS Analysis (pages 733–740)

      Nicola J. Farrer, Krista L. Vikse, Robert McDonald and J. Scott McIndoe

      Version of Record online: 21 DEC 2011 | DOI: 10.1002/ejic.201100820

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      Functionalization of 1,8-bis(dimethylamino)naphthalene is better carried out at the 4- rather than the 2-position, to maximally separate the proton sponge and metal-coordinating groups and allow both to perform their roles without interference.

    16. Redox-Active Ti Complexes

      TiIV Complexes of Redox-Active Schiff Bases (pages 741–750)

      Alberto Donzelli and Pierre G. Potvin

      Version of Record online: 13 DEC 2011 | DOI: 10.1002/ejic.201100870

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      Redox-active TiIV complexes of 2-aminothiophenol–salicylaldehyde Schiff bases have been prepared and their electrochemical oxidations were assessed in view of the possible catalysis of alcohol oxidation. Five crystal structures were obtained, three of which are of solution-state products that crystallized in modified forms, which includes one example that underwent multiple redox changes.

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