European Journal of Inorganic Chemistry

Cover image for Vol. 2014 Issue 13

May 2014

Volume 2014, Issue 13

Pages 2164–2316

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Cover Profile
    4. Masthead
    5. Graphical Abstract
    6. News
    7. Further Masthead
    8. Microreview
    9. Short Communication
    10. Full Papers
    1. You have free access to this content
      [(1,3-Bis{2,6-bis(diphenylmethyl)-4-methylphenyl}imidazole-2-ylidene)PdCl2(NEt3)]: “Throwing Away” a Different Ancillary Ligand to Enhance the Catalytic Activity at Room Temperature (Eur. J. Inorg. Chem. 13/2014)

      Daniel Guest, Ming-Tsz Chen, Graham J. Tizzard, Simon J. Coles, Michael Lewis Turner and Oscar Navarro

      Article first published online: 2 MAY 2014 | DOI: 10.1002/ejic.201490061

      Thumbnail image of graphical abstract

      The cover picture shows the stage in catalyst design when the decision of which ancillary ligands should be chosen to accompany the main “working” ligand is made. In cross-coupling reactions, some or all of those ancillary ligands will be “thrown away”, unveiling the catalytically active LnPd0 species. This can be the determining step in the overall catalytic reaction. In this paper, the use of triethylamine (TEA) as “throw-away” ligand leads to decreased catalyst loadings, and no inert atmosphere is required in Buchwald–Hartwig amination reactions. Details are discussed in the article by O. Navarro et al. on p. 2200 ff. For more on the story behind the cover research, see the Cover Profile.

  2. Cover Profile

    1. Top of page
    2. Cover Picture
    3. Cover Profile
    4. Masthead
    5. Graphical Abstract
    6. News
    7. Further Masthead
    8. Microreview
    9. Short Communication
    10. Full Papers
    1. You have free access to this content
      [(1,3-Bis{2,6-bis(diphenylmethyl)-4-methylphenyl}imidazole-2-ylidene)PdCl2(NEt3)]: “Throwing Away” a Different Ancillary Ligand to Enhance the Catalytic Activity at Room Temperature (page 2164)

      Daniel Guest, Ming-Tsz Chen, Graham J. Tizzard, Simon J. Coles, Michael Lewis Turner and Oscar Navarro

      Article first published online: 2 MAY 2014 | DOI: 10.1002/ejic.201400139

      Thumbnail image of graphical abstract

      It is some sort of puzzle, and it is very exciting when you put all the pieces together and see that a catalyst does what you want it to do...

      Read more about the story behind the cover in the Cover Profile and about the research itself on p. 2200 ff.

  3. Masthead

    1. Top of page
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    3. Cover Profile
    4. Masthead
    5. Graphical Abstract
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    8. Microreview
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    1. Masthead: Eur. J. Inorg. Chem. 13/2014 (page 2166)

      Article first published online: 2 MAY 2014 | DOI: 10.1002/ejic.201490062

  4. Graphical Abstract

    1. Top of page
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    3. Cover Profile
    4. Masthead
    5. Graphical Abstract
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    8. Microreview
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    1. Graphical Abstract: Eur. J. Inorg. Chem. 13/2014 (pages 2167–2171)

      Article first published online: 2 MAY 2014 | DOI: 10.1002/ejic.201490063

  5. News

    1. Top of page
    2. Cover Picture
    3. Cover Profile
    4. Masthead
    5. Graphical Abstract
    6. News
    7. Further Masthead
    8. Microreview
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  6. Further Masthead

    1. Top of page
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    4. Masthead
    5. Graphical Abstract
    6. News
    7. Further Masthead
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    1. Masthead: Eur. J. Inorg. Chem. 13/2014 (page 2176)

      Article first published online: 2 MAY 2014 | DOI: 10.1002/ejic.201490065

  7. Microreview

    1. Top of page
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    3. Cover Profile
    4. Masthead
    5. Graphical Abstract
    6. News
    7. Further Masthead
    8. Microreview
    9. Short Communication
    10. Full Papers
    1. Copper Peptides

      De Novo Designed Copper α-Helical Peptides: From Design to Function (pages 2177–2193)

      Matteo Tegoni

      Article first published online: 31 MAR 2014 | DOI: 10.1002/ejic.201400057

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      De novo designed α-helical peptides have been used to design structural and functional copper sites in minimum protein scaffolds. The design of structural copper Type 1, Type 2, Type A, and Cu–SCys centers in α-helical constructs is described. Catalytic copper Type 2 centers are also presented, along with their functional features.

  8. Short Communication

    1. Top of page
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    4. Masthead
    5. Graphical Abstract
    6. News
    7. Further Masthead
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    1. A Luminescent Metallacycle

      A Luminescent Rhenium(I) Metallacycle with Oxygen and Nitrogen Donor Atoms: Photophysical and Theoretical Studies (pages 2194–2199)

      Dibyendu Bhattacharya

      Article first published online: 3 APR 2014 | DOI: 10.1002/ejic.201400067

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      A new N,O-bischelator-bridged D-type self-assembled ReI metallacycle exhibits unusual multiple emission with moderate luminescence (Φem = 0.26, average radiative decay lifetime, τr = 0.052 μs). An improvement of the luminescence efficiency on traversing from ReC3N3 to ReC3N2O to ReC4N2 has been established based on photophysical and DFT results.

  9. Full Papers

    1. Top of page
    2. Cover Picture
    3. Cover Profile
    4. Masthead
    5. Graphical Abstract
    6. News
    7. Further Masthead
    8. Microreview
    9. Short Communication
    10. Full Papers
    1. Catalyst Design

      [(1,3-Bis{2,6-bis(diphenylmethyl)-4-methylphenyl}imidazole-2-ylidene)PdCl2(NEt3)]: “Throwing Away” a Different Ancillary Ligand to Enhance the Catalytic Activity at Room Temperature (pages 2200–2203)

      Daniel Guest, Ming-Tsz Chen, Graham J. Tizzard, Simon J. Coles, Michael Lewis Turner and Oscar Navarro

      Article first published online: 13 FEB 2014 | DOI: 10.1002/ejic.201400072

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      Low loadings of [(IPr*)PdCl2(TEA)] {IPr* = 1,3-bis[2,6-bis(diphenylmethyl)-4-methylphenyl]imidazole-2-ylidene, TEA = triethylamine} catalyze the Buchwald–Hartwig amination reactions of aryl chlorides at room temperature in excellent yields, without the need for an inert atmosphere to set up or perform the reactions.

    2. Catalytic Hydrolysis

      A Heterobimetallic FeIIIMnII Complex of an Unsymmetrical Dinucleating Ligand: A Structural and Functional Model Complex for the Active Site of Purple Acid Phosphatase of Sweet Potato (pages 2204–2212)

      Biswanath Das, Henrik Daver, Amrendra Singh, Reena Singh, Matti Haukka, Serhiy Demeshko, Franc Meyer, George Lisensky, Martin Jarenmark, Fahmi Himo and Ebbe Nordlander

      Article first published online: 26 MAR 2014 | DOI: 10.1002/ejic.201301375

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      Catalytic hydrolysis of a phosphodiester bond was investigated by using a mixed-valence heterodinuclear FeIIIMnII complex of the dinucleating ligand as catalyst. Computational modeling and kinetic results indicate that a μ-hydroxo FeIIIMnII complex is the active catalyst that binds the substrate in a monodentate fashion at the Mn ion.

    3. Luminescent Coordination Polymers

      Nitrile-Supported Coordination Polymers of Cerium(III) Bromide (pages 2213–2218)

      Kalyan V. Vasudevan, William L. Boncher, Nickolaus A. Smith, Michael W. Blair, Brian L. Scott, Bryan L. Bennett, Markus P. Hehlen, Ross E. Muenchausen and John C. Gordon

      Article first published online: 25 MAR 2014 | DOI: 10.1002/ejic.201400030

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      Cerium bromide coordination polymers have been prepared and structurally authenticated on the basis of X-ray diffraction data. The photoluminescence spectra of the polymers feature considerably redshifted emission bands compared to the characteristic emission observed for CeBr3 single crystals.

    4. Lanthanide Complexes

      Lanthanide Complexes with Tetradentate N,N′,O,O′-Dipyridyl-Based Ligands: Structure, Stability, and Photophysical Properties (pages 2219–2229)

      Nataliya E. Borisova, Andrey A. Kostin, Elizaveta A. Eroshkina, Marina D. Reshetova, Konstantin A. Lyssenko, Evgenia N. Spodine and Lada N. Puntus

      Article first published online: 21 MAR 2014 | DOI: 10.1002/ejic.201301271

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      Complexes of LnIII with N,N′,O,O′-tetradentate dipyridyl-based ligands were synthesized. Their structures were studied by X-ray diffraction, and their binding constants were determined by UV/Vis titration. Structure–property relationships were partly revealed by DFT calculations of the potential energy surface (PES) for three ligands, which show different efficiencies in extracting AmIII.

    5. Ring-Opening Polymerization

      Synthesis, Structure, and Catalytic Activity of Tridentate, Base-Functionalized β-Ketiminate Zinc Complexes in Ring-Opening Polymerization of Lactide (pages 2230–2240)

      Christoph Scheiper, Dennis Dittrich, Christoph Wölper, Dieter Bläser, Joachim Roll and Stephan Schulz

      Article first published online: 25 MAR 2014 | DOI: 10.1002/ejic.201301462

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      Several NNO zinc complexes were synthesized and structurally characterized by single-crystal X-ray diffraction. In addition, their catalytic activity in the ring-opening polymerization (ROP) of lactide is presented. The polymerization occurs through a modified activated-monomer mechanism.

    6. Oxide Semiconductors

      Dimethylmalonato Zinc Complexes as Molecular Precursors for Electronic Grade Zinc Oxide: Towards a Systematic Ligand Design by Understanding Molecular Decomposition Mechanisms (pages 2241–2247)

      Rudolf C. Hoffmann and Jörg J. Schneider

      Article first published online: 25 MAR 2014 | DOI: 10.1002/ejic.201301525

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      Zn complexes with malonato ligands functionalized in the 2-position are suitable precursors for solution processed ZnO. A detailed investigation of the decomposition mechanism shows the influence of nitro and hydroxylimino groups on the ceramisation process. The precursors allow the formation of nanocrystalline ZnO which can be used as semiconductor material in field-effect transistors.

    7. Zintl Compounds

      Crystal and Electronic Structures and Magnetic Properties of Eu3Tt2As4 (Tt = Si, Ge) (pages 2248–2253)

      Xiao-Cun Liu, Sheng-Qing Xia, Xiao-Wu Lei, Ming-Yan Pan and Xu-Tang Tao

      Article first published online: 20 MAR 2014 | DOI: 10.1002/ejic.201301622

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      Two new Zintl compounds, Eu3Si2As4 and Eu3Ge2As4, were synthesized by using the metal flux method and their crystal structures were determined by single-crystal X-ray diffraction. The magnetic properties of Eu3Ge2As4 were measured and the coexistence of ferromagnetic and antiferromagnetic order was observed in the compound, which was confirmed by theoretical calculations.

    8. Luminescence

      Photophysical Properties of a Series of Rhenium Selenide Cluster Complexes Containing Nitrogen-Donor Ligands (pages 2254–2261)

      Wade B. Wilson, Kevin Stark, Dean B. Johnson, YiXin Ren, Hitoshi Ishida, David L. Cedeño and Lisa F. Szczepura

      Article first published online: 25 MAR 2014 | DOI: 10.1002/ejic.201301626

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      The photophysical properties of thirteen [Re6Se8]2+ clusters containing N-donor ligands are reported. The impact of para substituents on luminescence was investigated by using a series of benzonitrile and phenyl-substituted tetrazolate complexes. CV and DFT studies support metal-to-ligand charge transfer (MLCT) character in the excited-state wave function for the p-nitrobenzonitrile complex.

    9. Cucurbituril Supramolecular Arrays

      Cucurbituril-Based Supramolecular Self-Assemblies Formed in the Presence of Alkali Metal and Cadmium Ions (pages 2262–2267)

      Hang Cong, Yi Zhao, Li-Li Liang, Kai Chen, Xiao-Jie Chen, Xin Xiao, Yun-Qian Zhang, Qian-Jiang Zhu, Sai-Feng Xue and Zhu Tao

      Article first published online: 21 MAR 2014 | DOI: 10.1002/ejic.201400004

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      We describe herein three new cucurbituril-based coordination supramolecular arrays self-assembled in the presence of alkali metal and cadmium ions.

    10. Waste Prevention

      Sodium “Activation” of Silano-Phosphonate Modified Mesoporous TiO2 Leading to Improved Rare-Earth Element Extraction (pages 2268–2277)

      Mícheál P. Moloney, Jérémy Causse, Cedric Loubat and Agnès Grandjean

      Article first published online: 27 MAR 2014 | DOI: 10.1002/ejic.201400027

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      Mesoporous silano-phosphate functionalised TiO2 particles are used to separate Ce3+ from Sr2+ and Cs+, as well as other rare earths. Unlike SiO2, the resistance of TiO2 to strong base allowed for the phosphonate to be activated by a base, increasing its sorption ability threefold.

    11. Metallacycles

      Cyclometalated Complexes of Platinum(II) with 2-Vinylpyridine (pages 2278–2287)

      Antonio Zucca, Luca Maidich, Veronica Carta, Giacomo L. Petretto, Sergio Stoccoro, Maria Agostina Cinellu, Maria I. Pilo and Guy J. Clarkson

      Article first published online: 20 MAR 2014 | DOI: 10.1002/ejic.201400052

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      The synthesis, and analytical and spectroscopic characterization of a series of cyclometalated complexes of platinum(II) with 2-vinylpyridine (L) is reported in detail. The five-membered cyclometalated ring is particularly stable, likely due to partial electronic delocalisation.

    12. Graphene–Porphyrin Structures

      Structures Self-Assembled from Anionic Graphene and Cationic Manganese Porphyrin: Characterization and Application in Artificial Photosynthesis (pages 2288–2295)

      Amir Kaplan, Eli Korin and Armand Bettelheim

      Article first published online: 27 MAR 2014 | DOI: 10.1002/ejic.201400054

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      Carboxylic-rich graphene oxide and MnIII tetrakis(N-methyl-4-pyridinio)porphyrin form self-assembled structures through π–π stacking interactions. When adsorbed on iron/hematite photoanodes, these structures show substantial activity towards the photoelectrochemical oxidation of water.

    13. Coordination Chemistry

      Insights into Different Donor Abilities in Bis(pyrazolyl)pyridinylmethane Transition Metal Complexes (pages 2296–2306)

      Alexander Hoffmann, Ulrich Flörke and Sonja Herres-Pawlis

      Article first published online: 20 MAR 2014 | DOI: 10.1002/ejic.201400056

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      Eleven bis(pyrazolyl)methane complexes of the 3d metal ions iron(II), cobalt(II), copper(II) and zinc(II) are reported. Structural studies of these complexes and theoretical analysis by density functional theory show an interesting donor competition between the pyridinyl and pyrazolyl functions of the ligand.

    14. Metal–Organic Frameworks

      Construction of Metal–Organic Frameworks Consisting of Dinuclear Metal Units Based on 5-Hydroxyisophthalate and Flexible Dipyridyl Ligands (pages 2307–2316)

      Xiaoju Li, Tena Guan, Xiaofang Guo, Xinxiong Li and Zhenjiang Yu

      Article first published online: 3 APR 2014 | DOI: 10.1002/ejic.201400092

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      Four CoII and CuII metal–organic frameworks consisting of dinuclear metal units have been constructed from rigid 5-hydroxyisophthalate (ip-OH) and flexible dipyridyl ligands. The ip-OH bridging modes and the metal coordination geometries are very different in the four complexes. Magnetic studies indicate the existence of antiferromagnetic exchange between the metal centers.

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