European Journal of Inorganic Chemistry

Cover image for Vol. 2011 Issue 25

September 2011

Volume 2011, Issue 25

Pages 3669–3809

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Short Communications
    6. Full Papers
    1. A Convenient Synthesis of Cyclopentadienylgallium – The Awakening of a Sleeping Beauty in Organometallic Chemistry (Eur. J. Inorg. Chem. 25/2011)

      Christian Schenk, Ralf Köppe, Hansgeorg Schnöckel and Andreas Schnepf

      Article first published online: 24 AUG 2011 | DOI: 10.1002/ejic.201190072

  2. Graphical Abstract

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Short Communications
    6. Full Papers
    1. Graphical Abstract: Eur. J. Inorg. Chem. 25/2011 (pages 3669–3674)

      Article first published online: 24 AUG 2011 | DOI: 10.1002/ejic.201190074

  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. Cyclopentadienylgallium

      A Convenient Synthesis of Cyclopentadienylgallium – The Awakening of a Sleeping Beauty in Organometallic Chemistry (pages 3681–3685)

      Christian Schenk, Ralf Köppe, Hansgeorg Schnöckel and Andreas Schnepf

      Article first published online: 1 AUG 2011 | DOI: 10.1002/ejic.201100672

      Thumbnail image of graphical abstract

      An easy synthesis – that can be carried out with standard laboratory equipment – of (η5-cyclopentadienyl)gallium (GaCp) is presented as the kiss to awake this sleepingbeauty in organometallic chemistry.

    2. Abnormal Carbenes

      Lithium Complex of an Abnormal Carbene (pages 3686–3689)

      Anukul Jana, Ramachandran Azhakar, Gašper Tavčar, Herbert W. Roesky, Ina Objartel and Dietmar Stalke

      Article first published online: 28 JUL 2011 | DOI: 10.1002/ejic.201100574

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      A lithium complex of an abnormal carbene with the composition [H3BC{{N(2,6-iPr2C6H3)}2CHCLi(THF)3}] was synthesized by the lithiation reaction of the N-heterocyclic carbene borane adduct (IPr·BH3, IPr = [C{[N(2,6-iPr2C6H3)]CH}2]) with nBuLi.

  5. Full Papers

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

      Spectroscopic Studies of Phosphazene Polymers Containing Photoluminescent Metal Complexes (pages 3691–3704)

      Eric W. Ainscough, Harry R. Allcock, Andrew M. Brodie, Keith C. Gordon, Mark D. Hindenlang, Raphael Horvath and Carl A. Otter

      Article first published online: 2 AUG 2011 | DOI: 10.1002/ejic.201100341

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      Cyclotriphosphazene ligands substituted with pendant 2,2′-bipyridyl moieties and related polyphosphazenes have been used to synthesise PtII, PdII and ReI complexes. Spectroscopic and computational studieswere conducted to compare the small-molecule complexes with the polymers and show that the cyclotriphosphazene complexes are appropriate for modelling the behaviour of polyphosphazenes.

    2. Luminescent Coordination Polymers

      Lanthanide Aminoisophthalate Coordination Polymers: A Promising System for Tunable Luminescent Properties (pages 3705–3716)

      Yun Luo, Guillaume Calvez, Stéphane Freslon, Kevin Bernot, Carole Daiguebonne and Olivier Guillou

      Article first published online: 22 JUL 2011 | DOI: 10.1002/ejic.201100437

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      Two families of coordination polymers have been obtained with the respective general chemical formulae {[Ln6(aip)7(H2O)24]·2(aip)·6H2O} in which Ln = Tm or Yb (Family 1) and {[Ln2(aip)2(H2O)10]·(aip)·4H2O} in which Ln = La–Er (except Pm) or Y (Family 2). The luminescent properties under UV irradiation of compounds belonging to Family 2 have been explored.

    3. Ion Pairs

      Formation of Chiral Heteronuclear LnIII Assemblies by Ion Pair Formation (pages 3717–3725)

      Janusz Gregoliński, Robert Wieczorek and Jerzy Lisowski

      Article first published online: 26 JUL 2011 | DOI: 10.1002/ejic.201100140

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      Chiral cationic macrocyclic LnIII complexes and anionic tris(dipicolinate) LnIII complexes form hydrogen-bonded ion pairs in solution, indicated by NMR measurements and DFT calculations. In the case of (M) diastereomers, the ion-pair formation is accompanied by the Pfeiffer effect and the formation of supramolecular polymers comprising protonated macrocyclic cations and complex anions.

    4. Near-Infrared Nanocrystals

      One-Pot Synthesis of Dual-Stabilizer-Capped CdTe Nanocrystals with Efficient Near-Infrared Photoluminescence and Electrochemiluminescence (pages 3726–3730)

      Guo-dong Liang, Li-ping Shen, Xiao-li Zhang and Gui-zheng Zou

      Article first published online: 25 JUL 2011 | DOI: 10.1002/ejic.201100403

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      The dual-stabilizer-capped CdTe nanocrystals displayed efficient photoluminescence and electrochemiluminescence.

    5. Porphyrin Dyes

      2-(1-Acetyl-2-oxopropyl)-5,10,15,20-tetraphenylporphyrin and Its Transition-Metal Complexes (pages 3731–3738)

      Hongshan He, Mukul Dubey, Yihan Zhong, Maheshwar Shrestha and Andrew G. Sykes

      Article first published online: 28 JUL 2011 | DOI: 10.1002/ejic.201100179

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      Three porphyrins bearing a 1-acetyl-2-oxopropyl group at a β-pyrrolic position have been synthesized and their structures and photophysical and -voltaic performances in dye-sensitized solar cells have been investigated.

    6. C–H Activation

      Regiospecific C(naphthyl)–H Bond Activation by Platinum(II) – Isolation, Characterization, Reactivity and TD-DFT Study of the Cycloplatinate Complexes (pages 3739–3748)

      Achintesh Narayan Biswas, Purak Das, Vivek Bagchi, Amitava Choudhury and Pinaki Bandyopadhyay

      Article first published online: 5 AUG 2011 | DOI: 10.1002/ejic.201100468

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      Regiospecific C(naphthyl)–H bond activation of a group of naphthylazo-2′-hydroxyarenes has been achieved with platinum(II). Oxidative reactions of the divalent cycloplatinate complexes results in the formation of air-stable PtIV complexes; both cis- and trans-oxidative addition has been realized.

    7. Actinide Phosphites

      Facile Routes to ThIV, UIV, and NpIV Phosphites and Phosphates (pages 3749–3754)

      Eric M. Villa, Shuao Wang, Evgeny V. Alekseev, Wulf Depmeier and Thomas E. Albrecht-Schmitt

      Article first published online: 5 AUG 2011 | DOI: 10.1002/ejic.201100464

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      Reactions of actinides with H3PO3 yielda series of isotypic AnIV phosphites. AnIV(HPO3)2(H2O)2 (AnIV = ThIV, UIV or NpIV) and Cs[NpIV(H1.5PO4)(PO4)]2 were hydrothermally synthesized and subtle synthetic differences with Np yield either a phosphite or a phosphate structure. The starting pH, phosphite concentration, and solubility appear to control the crystalline products formed.

    8. Chiral Lanthanoid Dimers

      Chiral Lanthanoid Dimers Ligated by Carbohydrate-Based Diketonates: Catalytic and Luminescent Properties (pages 3755–3760)

      William J. Gee, Judith Hierold, Jonathan G. MacLellan, Philip C. Andrews, David W. Lupton and Peter C. Junk

      Article first published online: 2 AUG 2011 | DOI: 10.1002/ejic.201100505

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      The synthesis of a dimeric lanthanoid species ligated by chiral diketonate ligands containing a protected carbohydrate group is reported. The dimers [La (1), Eu (2)] have been characterised by several methods. Additionally, a preliminary investigation regarding the catalytic potential of these chiral species to the thio-Michael reaction has been undertaken. Both 1 and 2 show excellent activity as Lewis acid catalysts, however the transfer of steric information was only observed under poorly yielding reaction conditions.

    9. Light-Induced Valence Tautomerism

      ESR Study of Light-Induced Valence Tautomerism of a Dinuclear Co Complex (pages 3761–3767)

      Yoshio Teki, Mugen Shirokoshi, Shinji Kanegawa and Osamu Sato

      Article first published online: 2 AUG 2011 | DOI: 10.1002/ejic.201100467

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      Light-induced valence tautomerism (LIVT) of a dinuclear complex, [{Co(dpqa)}2(dhbq)](PF6)3 (1), was investigated by ESR analysis of dhbq3–. LIVT phenomena were observed in the glass matrix as well as in the powder sample. The signal decay and the relaxation, analyzed by double exponential fitting, suggest a two-step mechanism. Quantum tunneling phenomena were clearly observed in the glass matrix.

    10. Vanadium Coordination Chemistry

      The Effect of Trigonal Bipyramidal Distortion of Pentacoordinate VIVO2+ Species on their Structural, Electronic and Spectroscopic Parameters (pages 3768–3780)

      Giovanni Micera and Eugenio Garribba

      Article first published online: 5 AUG 2011 | DOI: 10.1002/ejic.201100422

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      The effect of trigonal bipyramidal distortion of pentacoordinate VIVO2+ species was calculated by DFT methods. The variation of the structural (bond lengths and angles), electronic (MO composition and electronic structure) and spectroscopic (51V A and g tensors, λmax, νV=O, 14N A tensor, CQ and η) parameters as a function of the structural index of trigonality, τ, is discussed.

    11. Azathia Macrocyclic Complexes

      New FeII and CuII Complexes Bearing Azathia Macrocycles – Catalyst Precursors for Mild Peroxidative Oxidation of Cyclohexane and 1-Phenylethanol (pages 3781–3790)

      Ricardo R. Fernandes, Jamal Lasri, Alexander M. Kirillov, M. Fátima C. Guedes da Silva, José A. L. da Silva, João J. R. Fraústo da Silva and Armando J. L. Pombeiro

      Article first published online: 26 JUL 2011 | DOI: 10.1002/ejic.201100460

      Thumbnail image of graphical abstract

      New macrocyclic azathia N2S2 complexes of FeII and CuII were prepared and used asselective catalyst precursors in cyclohexane and 1-phenylethanol oxidations.

    12. Methylidene/Methylidyne Complexes

      Subtle Size Effects in C–H Activation Reactions of Lanthanum and Praseodymium Tetramethylaluminates by Neutral Trinitrogen Bases (pages 3791–3796)

      Daniel Bojer, Beate Neumann, Hans-Georg Stammler and Norbert W. Mitzel

      Article first published online: 2 AUG 2011 | DOI: 10.1002/ejic.201100425

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      Size does matter: Methylidene and methylidyne units bound to aluminium and rare-earth metal atoms are formed by the combination of rare earth tetramethylaluminates Ln(AlMe4)3 (Ln = La, Pr) and 1,3,5-trialkyl-1,3,5-triazacyclohexanes (TRTAC) (R = Me, tBu, iPr). Subtle size effects determine the product selectivity.

    13. Zinc Complexes

      Synthesis, Stability, and Reactivity of [(TPA)Zn(SH)]+ in Aqueous and Organic Solutions (pages 3797–3801)

      Erwan Galardon, Alain Tomas, Pascal Roussel and Isabelle Artaud

      Article first published online: 1 AUG 2011 | DOI: 10.1002/ejic.201100527

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      In regard to the growing importance of hydrogen sulfide in biology, the reactivity of the aqua complex [(TPA)Zn(H2O)]2+ [TPA = tris(2-pyridylmethyl)amine] towards hydrogen sulfide was studied in bufferedaqueous solution by 1H NMR spectroscopy. The stability and reactivity of the resulting monomeric hydrogensulfido complex [(TPA)Zn(SH)]+ are discussed.

    14. Strontium Hexaferrite Nanoparticles

      Low-Temperature Hydrothermal Synthesis of Ultrafine Strontium Hexaferrite Nanoparticles (pages 3802–3809)

      Darinka Primc, Miha Drofenik and Darko Makovec

      Article first published online: 25 JUL 2011 | DOI: 10.1002/ejic.201100326

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      Ultrafine strontium hexaferrite (SrFe12O19) nanoparticles have been synthesized by the hydrothermal treatment of an appropriate suspension of Sr and Fe hydroxides at temperatures between 130 and 170 °C. The nanoparticles have a disc-like shape, 12 nm wide and 4 nm thick. This thinness is reflected in their unusual XRD patterns and magnetic properties.

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