Chemistry - A European Journal

Cover image for Vol. 19 Issue 22

Editor: Neville Compton, Deputy Editors: Anne Deveson, Elisabeth Roedern

Impact Factor: 5.925

ISI Journal Citation Reports © Ranking: 2011: 20/154 (Chemistry Multidisciplinary)

Online ISSN: 1521-3765

Associated Title(s): Angewandte Chemie International Edition, Chemistry – An Asian Journal, ChemistryOpen, ChemBioChem, ChemCatChem, ChemElectroChem, ChemMedChem, ChemPhysChem, ChemPlusChem, ChemSusChem, European Journal of Inorganic Chemistry, European Journal of Organic Chemistry

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May 16, 2013

ChemPlusChem 5/2013: Like Oil and Water

ChemPlusChem 5/2013: Like Oil and Water

In the cover article, Martin Pumera et al. use self-propelled biocompatible capsules loaded with various surfactants and compared their influence upon movement of oil droplets. Their findings are expected to have great impact on potential applications of such capsules for environmental clean-up. Also, a report on visualizing hyperconjugation through UV-photoelectron spectroscopy is outlined by Vladimir Ya. Lee et al. Meanwhile, Pierre Frère et al. describe the synthesis as well as the optical, theoretical, electrochemical, X-ray, and electrical characteristics of new thiophene/furan-capped co-oligomers for organic field-effect transistors.

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Recently Published Articles

  1. Metalated Nitriles: SNi and SNi′ Installation of Contiguous Quaternary–Tertiary and Quaternary–Quaternary Centers

    Dr. Jesus A. Lujan-Montelongo, Ping Lu, Dr. Wang Liu and Prof. Fraser F. Fleming

    Article first published online: 17 MAY 2013 | DOI: 10.1002/chem.201301046

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    “Black belt” SNi and SNi′: Deuterium labeling revealed an inherent preference of N- and C-metalated nitriles for SNi, rather than SNi′ displacement. The fundamental reactivity preferences are harnessed in a series of cyclizations to cis- and trans-decalins that install contiguous quaternary–tertiary and quaternary–quaternary stereocenters (see scheme).

  2. TaMe3Cl2-Catalyzed Intermolecular Hydroaminoalkylation: A Simple Complex for Enhanced Reactivity and Expanded Substrate Scope

    Dr. Zhengxing Zhang, Jean-Denys Hamel and Prof. Dr. Laurel L. Schafer

    Article first published online: 17 MAY 2013 | DOI: 10.1002/chem.201300992

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    Tantalizingly simple: The common organometallic starting material TaMe3Cl2 can be used for the catalytic C[BOND]H functionalization reaction, hydroaminoalkylation. The substrate scope for this readily accessed compound includes unactivated terminal and internal alkenes, styrene derivatives, and both alkylaryl- and dialkyl secondary amines (see scheme).

  3. Fabrication of Regular ZnO/TiO2 Heterojunctions with Enhanced Photocatalytic Properties

    Long Wu, Jun Xing, Yu Hou, Fang Yuan Xiao, Dr. Zhen Li and Prof. Dr. Hua Gui Yang

    Article first published online: 17 MAY 2013 | DOI: 10.1002/chem.201300849

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    Facet-selective growth: Regular ZnO/TiO2 heterojunctions have been successfully synthesized using a facile hydrothermal technique (see figure). Due to the interfacial lattice matching, wurtzite ZnO can only grow on the eight {101} facets of the anatase TiO2 single crystals, while the other two {001} facets are untouched. The as-prepared regular ZnO/TiO2 heterojunctions exhibited enhanced photocatalytic generation of .OH radicals and enhanced photodegradation of methyl orange when irradiated with UV light.

  4. Complete Photochromic Structural Changes in Ruthenium(II)[BOND]Diimine Complexes, Based on Control of the Excited States by Metalation

    Takuya Sawaki, Dr. Tomoya Ishizuka, Prof. Dr. Masaki Kawano, Dr. Yoshihito Shiota, Prof. Dr. Kazunari Yoshizawa and Prof. Dr. Takahiko Kojima

    Article first published online: 16 MAY 2013 | DOI: 10.1002/chem.201300437

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    Ru being served? Photochromic structural changes of RuII/TPA (TPA=tris(2-pyridylmethyl)amine) complexes that contain a diimine ligand are reported. Further metal coordination to the diimine ligand allows interconversion between its open/closed forms (see scheme).

  5. Highly Active, Thermally Stable, Ethylene-Polymerisation Pre-Catalysts Based on Niobium/Tantalum[BOND]Imine Systems

    Prof. Carl Redshaw, Mark Walton, Dr. Lucy Clowes, Dr. David L. Hughes, Dr. Anna-Marie Fuller, Dr. Yimin Chao, Dr. Alex Walton, Dr. Victor Sumerin, Dr. Pertti Elo, Dr. Igor Soshnikov, Dr. Weizhen Zhao and Prof. Wen-Hua Sun

    Article first published online: 16 MAY 2013 | DOI: 10.1002/chem.201300453

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    Ta very much: The combination of a niobium or tantalum pre-catalyst that contained an imine-based ligand set and a MeAlCl2 (MADC) co-catalyst is capable, in the presence of ethyl trichloroacetate (ETA), of polymerising ethylene with activities in excess of 11 000 g mmol−1 h−1 bar−1 for niobium and 20 000 g mmol−1 h−1 bar−1 for tantalum. These systems produced essentially linear, high-molecular-weight polyethylene.

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