European Journal of Inorganic Chemistry

Cover image for Vol. 2012 Issue 11

April 2012

Volume 2012, Issue 11

Pages 1715–1866

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      Synthesis, Reactivity and Ring-Opening Polymerization of a Tin-Bridged ansa-Cycloheptatrienyl-Cyclopentadienyl Titanium Sandwich Complex (Eur. J. Inorg. Chem. 11/2012)

      Alain C. Tagne Kuate, Constantin G. Daniliuc, Peter G. Jones and Matthias Tamm

      Article first published online: 30 MAR 2012 | DOI: 10.1002/ejic.201290029

  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
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    4. News
    5. Full Papers
  4. Full Papers

    1. Top of page
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    5. Full Papers
    1. Strained Sandwich Complexes

      Synthesis, Reactivity and Ring-Opening Polymerization of a Tin-Bridged ansa-Cycloheptatrienyl-Cyclopentadienyl Titanium Sandwich Complex (pages 1727–1733)

      Alain C. Tagne Kuate, Constantin G. Daniliuc, Peter G. Jones and Matthias Tamm

      Article first published online: 27 JAN 2012 | DOI: 10.1002/ejic.201101339

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      The synthesis of a tBu2Sn-bridged ansa-cycloheptatrienyl-cyclopentadienyl titanium sandwich complex is presented. As a result of its tilted structure, this strained stanna[1]troticenophane is easily converted into poly(troticenylstannanes) by ring-opening polymerization and undergoes regioselective insertion of platinum(0) into the ipso-C7H6–Sn bond upon reaction with [Pt(PEt3)3].

    2. Mixed-Cation Oxonium Salts

      Syntheses and Crystal Structures of [H3O]+/M2+ (M = Fe, Zn, Cu, Hg) Salts with [AsF6] (pages 1734–1741)

      Zoran Mazej, Evgeny Goreshnik and Zvonko Jagličić

      Article first published online: 21 FEB 2012 | DOI: 10.1002/ejic.201101303

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      The diversity of the crystal structures of mixed [H3O]+/M2+ salts with [AsF6] anion is described.

    3. Polymer-Sensitized Photocatalysts

      N-Doped Nb2O5 Sensitized by Carbon Nitride Polymer – Synthesis and High Photocatalytic Activity under Visible Light (pages 1742–1749)

      Xu Wang, Gang Chen, Chao Zhou, Yaoguang Yu and Gang Wang

      Article first published online: 29 FEB 2012 | DOI: 10.1002/ejic.201101285

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      N-doped Nb2O5 photocatalysts sensitized by CN polymer were synthesized by heating mixtures of HNbO3 and urea with different mass ratios. Semitransparent thin sheets of CN polymer surround Nb2O5, acting as sensitizers by initiating a response to visible light. The photocatalysts with a HNbO3/urea reactant mass ratio of 1:8 catalyze the degradation of Rhodamine B most efficiently under visible light.

    4. Luminescent Au Complexes

      (Benzimidazolin-2-ylidene)–AuI–Alkynyl Complexes: Syntheses, Structure, and Photophysical Properties (pages 1750–1763)

      Jai Anand Garg, Olivier Blacque, Jakob Heier and Koushik Venkatesan

      Article first published online: 29 FEB 2012 | DOI: 10.1002/ejic.201101351

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      N-Heterocyclic carbene-based gold(I) acetylides were prepared in good yields by starting from the corresponding chlorido complex. Some of the complexes display Au···Au interactions in the solid state. Most of the complexes exhibit luminescence at room temperature. The acetylide ligand offers great tunability of the emission properties both in solution and in the solid state.

    5. Lanthanide Frameworks

      Self-Assembly of 1D, 2D, and 3D Lanthanide-Metal Coordination Polymers Based on a 2-(Pyridin-4-yl)-4,5-imidazoledicarboxylate Linker: Synthesis, Structures, and Luminescence (pages 1764–1772)

      Lin Sun, Gui-Zhu Li, Mei-Hua Xu, Xiao-Jian Li, Jian-Rong Li and Hong Deng

      Article first published online: 28 FEB 2012 | DOI: 10.1002/ejic.201101289

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      Three kinds of lanthanide-metal complexes have been synthesized under hydrothermal conditions or by slow evaporation at room temperature by employing 2-(pyridin-4-yl)-4,5-imidazoledicarboxylate as linker with or without auxiliary oxalate ligands. The complexes have been structurally characterized by elemental analyses, FTIR spectroscopy, and TGA, as well as by X-ray diffraction analysis.

    6. Copper Metallocyclopolymer

      Coordination Chemistry of α-ω-Bis(pyridylimine) Ligands Containing Flexible Linkers with Copper(I) (pages 1773–1782)

      Zhenzhong Hu, Celine M. Schneider, Christina N. Price, Whitney M. Pye, Louise N. Dawe and Francesca M. Kerton

      Article first published online: 28 FEB 2012 | DOI: 10.1002/ejic.201101414

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      A polymer-derived tetradentate ligand forms an unusual [1+1] metallocyclopolymer complex. Solid-state NMR spectroscopic data suggests restricted motion of the hexafluorophosphate anion, which could be the result of trapping within the structure. Five other ligands were studied for comparison and the nature of the linker is important in determining [1+1] vs. [2+2] behaviour.

    7. Metal–Quinolone Complexes

      Three 3D Metal–Quinolone Complexes Based on Trimetallic or Rod-Shaped Secondary Building Units (pages 1783–1789)

      Dong-Rong Xiao, Jiang-Hong He, Dian-Zhen Sun, Hai-Yan Chen, Shi-Wei Yan, Xin Wang, Juan Yang, Ruo Yuan and En-Bo Wang

      Article first published online: 24 FEB 2012 | DOI: 10.1002/ejic.201101229

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      Three novel 3D metal–quinolone complexes have been prepared by the self-assembly of quinolone antibacterial agents and metal salts in the presence of polycarboxylato ligands.

    8. Intermetallics

      EuLiGe2 and YbLiGe2 – A Divalent and an Intermediate-Valent Compound with CaLiSi2-Type Structures (pages 1790–1794)

      Abishek K. Iyer and Sebastian C. Peter

      Article first published online: 29 FEB 2012 | DOI: 10.1002/ejic.201101370

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      EuLiGe2 and YbLiGe2 crystallize in an orthorhombic system, in space group Pnma, with a CaLiSi2-type structure. The magnetic susceptibility of EuLiGe2 showed antiferromagnetic ordering at 29 K followed by spin reordering at 23 K. The divalent nature of Eu and intermediate-valent nature of Yb were confirmed by magnetism and X-ray absorption near edge spectroscopy (XANES).

      Corrected by:

      Correction: Correction: EuLiGe2 and YbLiGe2 – A Divalent and an Intermediate-Valent Compound with CaLiSi2-Type Structures

      Vol. 2012, Issue 33, 5578, Article first published online: 1 NOV 2012

    9. Clicked Pt Complexes

      Postfunctionalization of Luminescent Bipyridine PtII Bisacetylides by Click Chemistry (pages 1795–1809)

      Ilona Stengel, Cristian A. Strassert, Edward A. Plummer, Chen-Han Chien, Luisa De Cola and Peter Bäuerle

      Article first published online: 1 MAR 2012 | DOI: 10.1002/ejic.201200061

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      A series of substituted ethynyl-2,2′-bipyridine PtII bisacetylide complexes has been synthesized. The compounds were postfunctionalized by click chemistry in high yields. The resulting triazolyl-functionalized compounds showed bright phosphorescence and were tested as triplet emitters in solution-processed polymer-based light-emitting devices.

    10. Ferrocene Peptides

      Synthesis and Conformational Analysis of Methyl N-Alanyl-1′-aminoferrocene-1-carboxylate (pages 1810–1822)

      Lidija Barišić, Monika Kovačević, Marija Mamić, Ivan Kodrin, Zlatko Mihalić and Vladimir Rapić

      Article first published online: 24 FEB 2012 | DOI: 10.1002/ejic.201101270

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      It was determined by IR and NMR spectroscopy and DFT calculations that ferrocene peptides adopt several conformations stabilized through intra- and interchain hydrogen bonds. The protecting groups and absolute configuration of the alanine chiral centers do not significantly affect their conformational properties.

    11. M–C Bond Insertions

      Intermolecular Insertion of Dialkynylphosphanes into the M–C Bond of Cyclopalladated Rings through Activation by Cyclometallated Amines (pages 1823–1831)

      Shuli Chen, Sumod A. Pullarkat, Yongxin Li and Pak-Hing Leung

      Article first published online: 24 FEB 2012 | DOI: 10.1002/ejic.201101343

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      Selective monoinsertion of dialkynylphosphanes bearing cyclometallated N,N-dimethylbenzylamine templates, into the Pd–C bonds of N,N-dimethylbenzylamine palladacycles, has been demonstrated for the synthesis of a variety of new P-stereogenic homo- or heterodimetallic complexes.

    12. Rare-Earth Melonates

      Rare-Earth Melonates LnC6N7(NCN)3·xH2O (Ln = La, Ce, Pr, Nd, Sm, Eu, Tb; x = 8–12): Synthesis, Crystal Structures, Thermal Behavior, and Photoluminescence Properties of Heptazine Salts with Trivalent Cations (pages 1832–1839)

      Sophia J. Makowski, Arne Schwarze, Peter J. Schmidt and Wolfgang Schnick

      Article first published online: 24 FEB 2012 | DOI: 10.1002/ejic.201101251

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      New rare-earth melonates LnC6N7(NCN)3·xH2O (Ln = La, Ce, Pr, Nd, Sm, Eu, Tb; x = 8–12) have been synthesized by metathesis reactions. In the crystal structures, melonate units and rare-earth ions form 1D strands. The compounds were further characterized with respect to their thermal behavior and the luminescent properties of the europium and terbium salts.

    13. Alkali Biuretooxophosphates

      A Systematic Approach to Alkali Biuretooxophosphates (pages 1840–1847)

      Eva Wirnhier and Wolfgang Schnick

      Article first published online: 27 FEB 2012 | DOI: 10.1002/ejic.201101317

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      By controlled hydrolysis of 1,1,3,5-tetrachloro-1-phospha-2,4,6-s-triazine, a group of alkali biuretooxophosphates has been synthesized. Being intermediates between cyanurates and trimetaphosphimates, their precursor qualification for the synthesis of well-defined C/N/P/O networks is discussed.

    14. Iron Dioxygenase Models

      Synthesis and Structural Characterization of Iron(II) Complexes with Tris(imidazolyl)phosphane Ligands: A Platform for Modeling the 3-Histidine Facial Triad of Nonheme Iron Dioxygenases (pages 1848–1856)

      Michael M. Bittner, Jacob S. Baus, Sergey V. Lindeman and Adam T. Fiedler

      Article first published online: 27 FEB 2012 | DOI: 10.1002/ejic.201101282

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      A series of monoiron(II) complexes with tris(imidazolyl)phosphane ligands have been generated and characterized by using X-ray crystallography. These complexes model the resting and substrate-bound states of certain nonheme iron enzymes, such as β-diketone dioxygenase and salicylate 1,2-dioxygenase, which employ three facially coordinating histidine ligands in their active sites.

    15. Inversion at Phosphorus Centers

      Synthesis and Stereoselective Interconversion of Chiral 1-Aza-3,6-diphosphacycloheptanes (pages 1857–1866)

      Elvira I. Musina, Andrey A. Karasik, Anna S. Balueva, Igor D. Strelnik, Tatiana I. Fesenko, Alexey B. Dobrynin, Tatiana P. Gerasimova, Sergey A. Katsyuba, Olga N. Kataeva, Peter Lönnecke, Evamarie Hey-Hawkins and Oleg G. Sinyashin

      Article first published online: 22 FEB 2012 | DOI: 10.1002/ejic.201101337

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      1-Aza-3,6-diphosphacycloheptanes with chiral substituents on the nitrogen atoms were synthesized with the prevailing formation of meso stereoisomers (PRPS), which can form P,P-chelate platinum(II) complexes. In solution, the selective stereoconversion of the pure meso isomers into a mixture of PRPRCS(R) and PSPSCS(R) isomers was observed. Kinetic and DFT studies of this process were performed.

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