European Journal of Inorganic Chemistry

Cover image for Vol. 2010 Issue 7

March 2010

Volume 2010, Issue 7

Pages 995–1148

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Short Communication
    6. Full Papers
    1. A Back-to-Back Ligand with Dipyrazolylpyridine and Dipicolylamine Metal-Binding Domains (Eur. J. Inorg. Chem. 7/2010) (page 995)

      Clare A. Tovee, Colin A. Kilner, Simon A. Barrett, James A. Thomas and Malcolm A. Halcrow

      Article first published online: 22 FEB 2010 | DOI: 10.1002/ejic.201090017

  2. Graphical Abstract

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

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

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Short Communication
    6. Full Papers
    1. Back-to-Back Ligands

      A Back-to-Back Ligand with Dipyrazolylpyridine and Dipicolylamine Metal-Binding Domains (pages 1007–1012)

      Clare A. Tovee, Colin A. Kilner, Simon A. Barrett, James A. Thomas and Malcolm A. Halcrow

      Article first published online: 26 JAN 2010 | DOI: 10.1002/ejic.200901107

      Thumbnail image of graphical abstract

      The new ligand 4-bis(pyrid-2-ylmethyl)aminomethyl-2,6-bis(pyrazol-1-yl)pyridine(L) is metallated sequentially at its dipicolylamino and then its dipyrazolylpyridylsites. The FeM2 (M = Pd and Pt) complexes undergo gradual thermal spin transitions in the solid state and (when M = Pt) in solution.

  5. Full Papers

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Short Communication
    6. Full Papers
    1. Mechanism of Michael Reactions

      Mechanistic Insights into Copper-Catalyzed Michael Reactions (pages 1013–1019)

      Elisabet Pérez, Marcial Moreno-Mañas, Rosa María Sebastián, Adelina Vallribera and Anny Jutand

      Article first published online: 28 JAN 2010 | DOI: 10.1002/ejic.200900985

      Thumbnail image of graphical abstract

      The rate and mechanism for the formation of the mixed complex [Cu(5-tBu-Sal)(enolate-2)] (5) from the catalyst [Cu(5-tBu-Sal)2] (1) and the oxo ester 2 has been investigated. The complex 5 reacts with 3 in a rate-determining step to deliver the Michael product 4.

    2. NHC Silver Complexes

      Synthesis, Cytotoxicity and Antibacterial Studies of p-Methoxybenzyl-Substituted and Benzyl-Substituted N-Heterocyclic Carbene–Silver Complexes (pages 1020–1031)

      Siddappa Patil, James Claffey, Anthony Deally, Megan Hogan, Brendan Gleeson, Luis Miguel Menéndez Méndez, Helge Müller-Bunz, Francesca Paradisi and Matthias Tacke

      Article first published online: 3 FEB 2010 | DOI: 10.1002/ejic.200900889

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      p-Methoxybenzyl- and benzyl-substituted N-heterocyclic carbene–silver acetate derivatives were synthesised by the reaction of appropriately substituted carbene precursors with silver acetate. The syntheses of six N-heterocyclic carbene–silver derivatives are reported along with structural discussion. Additionally, these compounds were tested for their anticancer and antimicrobial activity.

    3. Metal-Coordinated Phenoxyl Radicals

      Diphenoxido-Bridged CoII and ZnII Complexes of Tripodal N2O2 Ligands: Stabilisation of MII-Coordinated Phenoxyl Radical Species (pages 1032–1042)

      Atasi Mukherjee, Francesc Lloret and Rabindranath Mukherjee

      Article first published online: 27 JAN 2010 | DOI: 10.1002/ejic.200900760

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      Coulometrically generated two-electron oxidised forms of diphenoxido-bridged CoII and ZnII dimers authenticate the existence of metal-coordinated phenoxyl radical species. The electronic effect of p-methyl and p-methoxy substituents on the terminal phenolato ring and the effect of chelate ring size on the stability of the MII-coordinated phenoxyl radical species has been systematically investigated.

    4. Nanoporous Materials

      Effect of Water Concentration and Acidity on the Synthesis of Porous Chromium Benzenedicarboxylates (pages 1043–1048)

      Nazmul Abedin Khan, Jong Won Jun and Sung Hwa Jhung

      Article first published online: 27 JAN 2010 | DOI: 10.1002/ejic.200901064

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      Two chromium benzenedicarboxylates (MIL-101 and MIL-53) were synthesized, and the reaction conditions were optimized. MIL-101 is obtained preferentially in dilute solution and at low acidity, because the concentration of the Cr trimer is moreimportant than the concentration of benzenedicarboxylate. On the contrary, MIL-53 is produced in concentrated solution at low pH, because of the rapid reaction.

    5. Oxofluoro Complex Anion

      Syntheses and Physicochemical Properties of Low-Melting Salts Based on VOF4 and MoOF5, and the Molecular Geometries of the Dimeric (VOF4)2 and Mo2O4F62– Anions (pages 1049–1055)

      Takatsugu Kanatani, Kazuhiko Matsumoto and Rika Hagiwara

      Article first published online: 19 JAN 2010 | DOI: 10.1002/ejic.200901099

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      1-Ethyl-3-methylimidazolium (EMIm+) and N-butylpyridinium (BPy+) salts of the VOF4 and MoOF5 anions have been synthesized and characterized by physicochemical methods. The molecular geometries of the (VOF4)2 and Mo2O4F62– anions determined by single-crystal X-ray diffraction are also reported.

    6. Metal Carbonyl Clusters

      Icosahedral Ga-Centred Nickel Carbonyl Clusters: Synthesis and Characterization of [H3–nNi1212-Ga)(CO)22]n– (n = 2, 3) and [Ni14.312-Ga)(CO)24.3]3– Anions (pages 1056–1062)

      Cristina Femoni, Maria Carmela Iapalucci, Giuliano Longoni and Stefano Zacchini

      Article first published online: 19 JAN 2010 | DOI: 10.1002/ejic.200900904

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      The [H3–nNi1212-Ga)(CO)22]n (n = 2, 3) and [Ni14.312-Ga)(CO)24.3]3– icosahedral clusters were obtained by treating [Ni6(CO)12]2– with GaCl3 in dichloromethane under a nitrogen atmosphere; they represent the first metal carbonyl clusters containing a gallium atom as interstitialheteroelement.

    7. Gold Catalysts

      Gold(I) Complexes of P,N Ligands and Their Catalytic Activity (pages 1063–1069)

      Chosu Khin, A. Stephen K. Hashmi and Frank Rominger

      Article first published online: 26 JAN 2010 | DOI: 10.1002/ejic.200900964

      Thumbnail image of graphical abstract

      If P,N ligands are used for the preparation of gold(I) catalysts, the catalytic activity is reduced. A structure showing coordination to the additional nitrogen when forming a new trimeric structure could be identified as a mode of catalyst deactivation.

    8. Zn Catalysts for Hydroaminations

      β-Diketiminate Zinc Complexes for the Hydroamination of Alkynes (pages 1070–1081)

      Mustafa Biyikal, Karolin Löhnwitz, Nils Meyer, Maximilian Dochnahl, Peter W. Roesky and Siegfried Blechert

      Article first published online: 25 JAN 2010 | DOI: 10.1002/ejic.200900998

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      A series of electronically and sterically modified β-diketiminate zinc complexes has been investigated as catalysts for the intramolecular hydroamination of nonactivated alkynes. They show high catalytic activity in conjunction with the cocatalyst [PhNMe2H][SO3CF3].

    9. Nanocrystalline Pyrochlores

      Niobate and Tantalate Pyrochlores: Soft Synthesis by the Fluoride Route (pages 1082–1088)

      Sergey N. Britvin, Oleg I. Siidra, Andriy Lotnyk, Sergey V. Krivovichev and Wulf Depmeier

      Article first published online: 19 JAN 2010 | DOI: 10.1002/ejic.200900999

      Thumbnail image of graphical abstract

      A new soft and industrially applicablemethod of synthesis of nanocrystallinepyrochlores A(Nb,Ta)2O5(OH,F)(nH2O) (A = NH4, K, Rb, Cs) is described.

    10. Ferrocene Bioconjugates

      Bioconjugates of 1′-Aminoferrocene-1-carboxylic Acid with (S)-3-Amino-2-methylpropanoic Acid and L-Alanine (pages 1089–1097)

      Mojca Čakić Semenčić, Katja Heinze, Christoph Förster and Vladimir Rapić

      Article first published online: 27 JAN 2010 | DOI: 10.1002/ejic.200901146

      Thumbnail image of graphical abstract

      Formal CH2 insertion in bioconjugates composed of 1′-aminoferrocene-1-carboxylic acid (Fca) and alanine Boc-Ala-Fca-Ala-OCH3 gives Fca conjugates with the β-amino acid (S)-3-amino-2-methylpropanoic acid (Aib). “L-Ala–to–(S)-β-Aib mutations” exert ferrocene helix inversion and (de-)stabilize the secondary structure, depending on the “mutation site”, as shown by NMR, CD and IR spectroscopy and DFT calculations.

    11. 1-D Cluster Polymers

      One-Dimensional Coordination Polymers Containing Polynuclear (Selenolato)copper Complexes Linked by Bipyridine Ligands (pages 1098–1102)

      Ming-Lai Fu, Dieter Fenske, Bastian Weinert and Olaf Fuhr

      Article first published online: 12 JAN 2010 | DOI: 10.1002/ejic.200900711

      Thumbnail image of graphical abstract

      Depending on the phosphane used reactions of copper(I) acetate with PhSeSiMe3 in the presence of 4,4′-bipyridine lead to the formation of different one-dimensional coordination polymers. In the case of [Cu6(SePh)6(PPh3)3(4,4′-bpy)] hexanuclear selenolato-bridged clusters are linked by 4,4′-bipyridine forming a zigzag chain.

    12. Microcages

      Controllable Synthesis of Cu2O Microcrystals via a Complexant-Assisted Synthetic Route (pages 1103–1109)

      Wanqun Zhang, Lei Shi, Kaibin Tang and Shumei Dou

      Article first published online: 25 JAN 2010 | DOI: 10.1002/ejic.200900866

      Thumbnail image of graphical abstract

      The controllable synthesis of Cu2O microcrystals with distinctive morphologies, including porous hollow microspheres, octahedral microcages, and microcrystals with truncated corners and edges and octahedral microcrystals, was accomplished. These structures can be fine-tuned by varying reaction temperature, reaction time, and concentration.

    13. Solid-State Decomposition

      Thermal Decomposition of Ferric Oxalate Tetrahydrate in Oxidative and Inert Atmospheres: The Role of Ferrous Oxalate as an Intermediate (pages 1110–1118)

      Pavla Hermankova, Martin Hermanek and Radek Zboril

      Article first published online: 21 JAN 2010 | DOI: 10.1002/ejic.200900835

      Thumbnail image of graphical abstract

      The reductive formation of FeC2O4 during thermal solid-state decomposition of Fe2(C2O4)3·4H2O proceeds in an oxidative atmosphere. The observable amount of the Fe2+ cations depends on the access ofoxygen to the sample volume. Preservation of the precursor morphology encouragesdisproportionation/synproportionation/redisproportionation processes during the decomposition in an inert atmosphere.

    14. Hydrogenase Models

      Synthesis and Characterization of Diiron Thiadithiolate Complexes Related to the Active Site of [FeFe]-Hydrogenases (pages 1119–1128)

      Li-Cheng Song, Qing-Shan Li, Zhi-Yong Yang, Yu-Juan Hua, Hong-Zhu Bian and Qing-Mei Hu

      Article first published online: 21 JAN 2010 | DOI: 10.1002/ejic.200901023

      Thumbnail image of graphical abstract

      A series of the structurally modified TDT-type model complexes 112 has been successfully prepared by substitution of theCO ligand and coordination at the central S atom of the parent complex A. Six crystal structures are reported.

    15. Hydrocarbon Activation

      Hydrocarbon Oxygenation by Metal Nitrite Adducts: Theoretical Comparison with Ferryl-Based Oxygenation Agents (pages 1129–1132)

      Radu Silaghi-Dumitrescu and Sergei V. Makarov

      Article first published online: 19 JAN 2010 | DOI: 10.1002/ejic.200901044

      Thumbnail image of graphical abstract

      Ferric nitrite adducts mimic, to some extent, the oxygenating reactivity of high-valent iron centers such as heme compound I. The role of the redox potential in controlling oxygenation reactions with iron centers is revealed in this context to be by far the most important in comparison to factors such as the unusual electronic structure of the ferryl moiety.

    16. Functional Alkynylsilanes

      Selective Synthesis of Functional Alkynylmono- and -trisilanes (pages 1133–1142)

      Florian Hoffmann, Jörg Wagler and Gerhard Roewer

      Article first published online: 13 JAN 2010 | DOI: 10.1002/ejic.200900769

      Thumbnail image of graphical abstract

      The selective synthesis of functional alkynylsilanes RC≡C–(SiMe2)m–X (m = 1, 3) was investigated. Several alkynylsilanes and two of their transition-metal complexes were synthesized and characterized.

    17. In Situ Metal-Promoted Reactions

      Reaction Diversity of the S–S Bond Promoted by Metal Coordination: From Discovery to Controllable Reactions (pages 1143–1148)

      Hai-Bin Zhu, Lei Li, Gang Xu and Shao-Hua Gou

      Article first published online: 26 JAN 2010 | DOI: 10.1002/ejic.200900913

      Thumbnail image of graphical abstract

      Promoted by metal coordination, the disulfide ligand of 2-ppds undergoes diverse in situ reactions, such as S-oxidation and C–S and S–S bond scission, which can be orientated towards one specific product under appropriate reaction conditions.

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