ChemPlusChem

Cover image for Vol. 79 Issue 7

July 2014

Volume 79, Issue 7

Pages 879–1064

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Cover Profile
    4. Graphical Abstract
    5. News
    6. Masthead
    7. Interview
    8. Minireview
    9. Communications
    10. Full Papers
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      Cover Picture: Reduced Graphene Oxide as a Metal-Free Carbocatalyst for Polymerization of 1-Naphthylamine (ChemPlusChem 7/2014) (page 879)

      Dr. Lin Tan, Yong-Chen Zhang, Bin Wang, He-Ming Luo and Prof. Hui-Xia Feng

      Article first published online: 1 JUL 2014 | DOI: 10.1002/cplu.201402163

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      The cover picture shows the catalytic effect of reduced graphene oxide for radical oxidative polymerization of 1-naphthylamine. The concentrated monomers are absorbed on the reduced graphene oxide surface through “π–π” interaction, and then, owing to its high electron density, reduced graphene oxide not only donates electrons to monomers to shorten the formation time of diimine, but also stabilizes the cationic intermediates to facilitate the propagation of polymer. Details of this study are given in the Full Paper on page 929 by L. Tan, H.-F. Feng, and co-workers.

  2. Cover Profile

    1. Top of page
    2. Cover Picture
    3. Cover Profile
    4. Graphical Abstract
    5. News
    6. Masthead
    7. Interview
    8. Minireview
    9. Communications
    10. Full Papers
    1. You have free access to this content
      Reduced Graphene Oxide as a Metal-Free Carbocatalyst for Polymerization of 1-Naphthylamine (page 880)

      Dr. Lin Tan, Yong-Chen Zhang, Bin Wang, He-Ming Luo and Prof. Hui-Xia Feng

      Article first published online: 1 JUL 2014 | DOI: 10.1002/cplu.201402165

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      “The properties of various organic–inorganic hybrids we synthesize are explored in search of novel electronic, optical, and biological applications.” This and more about the story behind the cover in the Cover Profile and about the research itself on page 929.

  3. Graphical Abstract

    1. Top of page
    2. Cover Picture
    3. Cover Profile
    4. Graphical Abstract
    5. News
    6. Masthead
    7. Interview
    8. Minireview
    9. Communications
    10. Full Papers
    1. Graphical Abstract: ChemPlusChem 7/2014 (pages 881–887)

      Article first published online: 18 JUL 2014 | DOI: 10.1002/cplu.201490019

  4. News

    1. Top of page
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    3. Cover Profile
    4. Graphical Abstract
    5. News
    6. Masthead
    7. Interview
    8. Minireview
    9. Communications
    10. Full Papers
    1. Spotlights on our sister journals: ChemPlusChem 7/2014 (pages 888–891)

      Article first published online: 18 JUL 2014 | DOI: 10.1002/cplu.201490020

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  5. Masthead

    1. Top of page
    2. Cover Picture
    3. Cover Profile
    4. Graphical Abstract
    5. News
    6. Masthead
    7. Interview
    8. Minireview
    9. Communications
    10. Full Papers
    1. Masthead: ChemPlusChem 7/2014 (pages 892–893)

      Article first published online: 18 JUL 2014 | DOI: 10.1002/cplu.201490021

  6. Interview

    1. Top of page
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    3. Cover Profile
    4. Graphical Abstract
    5. News
    6. Masthead
    7. Interview
    8. Minireview
    9. Communications
    10. Full Papers
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      No Title (page 894)

      Article first published online: 18 JUL 2014 | DOI: 10.1002/cplu.201490022

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      “My favorite molecule is carborane because… this 12-vertex cage has many reaction sites.” This and more about Zaozao Qiu can be found on page 894.

  7. Minireview

    1. Top of page
    2. Cover Picture
    3. Cover Profile
    4. Graphical Abstract
    5. News
    6. Masthead
    7. Interview
    8. Minireview
    9. Communications
    10. Full Papers
    1. Self-Organization of Polar Porphyrinoids (pages 895–906)

      Dr. Sukumaran Santhosh Babu and Prof. Davide Bonifazi

      Article first published online: 12 JUN 2014 | DOI: 10.1002/cplu.201402047

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      Sorting themselves out: Recent developments in the self-assembled nanomaterials formed by porphyrin macrocycles bearing amphiphilic and ionic functionalities are described (see figure).

  8. Communications

    1. Top of page
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    3. Cover Profile
    4. Graphical Abstract
    5. News
    6. Masthead
    7. Interview
    8. Minireview
    9. Communications
    10. Full Papers
    1. Rapid and Cost-Effective Synthesis of Nanosized Zeolitic Imidazolate Framework-7 with N,N′-Dimethylformamide as Solvent and Metal Acetate Salt as Metal Source (pages 907–913)

      Xiang Wang, Pengcheng Huang, Ping Yu, Lifen Yang and Lanqun Mao

      Article first published online: 29 APR 2014 | DOI: 10.1002/cplu.201402052

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      Zeolitic nanocrystal control: We have developed a new method for the rapid and cost-effective synthesis of nanosized zeolitic imidazolate framework (ZIF-7) nanocrystals with a high yield and a stoichiometric molar ratio of ligand to metal salt (2:1) by using N,N′-dimethylformamide (DMF) as the solvent and zinc acetate as the metal source (see figure). This strategy can also be extended to the synthesis of ZIF-69 and ZIF-90.

    2. Silver Arrays Inside DNA Duplexes Constructed from Silver(I)-Mediated Pyrrolo-dC–Pyrrolo-dC Base Pairs (pages 914–918)

      Hui Mei, Haozhe Yang, Dr. Ingo Röhl and Prof. Dr. Frank Seela

      Article first published online: 18 MAY 2014 | DOI: 10.1002/cplu.201402060

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      A proposed model of silver arrays: A short array composed of six silver ions was constructed by three incorporations of pyrrolo-dC–pyrrolo-dC base pairs (two silver ions per base pair; see figure) within a DNA template. Using this bottom-up strategy, the size and positioning of the silver array is programmable and depends on the incorporation site of the modified base pairs.

    3. A Microsized Cagelike Sulfur/Carbon Composite for a Lithium/Sulfur Battery with Excellent Performance (pages 919–924)

      Meiri Wang, Dr. Yining Zhang, Dr. Hongzhang Zhang and Prof. Huamin Zhang

      Article first published online: 14 MAY 2014 | DOI: 10.1002/cplu.201402021

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      Charged and ready to go! Inspired by a popular traditional Chinese food (caramel treats, see picture), a hollow cagelike sulfur/carbon composite is developed for lithium/sulfur batteries. With good polysulfide retention ability and efficient electron and ion transfer, the battery exhibits a better rate performance.

    4. A Discrete Cobalt Complex Obtained from a 1 D Coordination Polymer for Highly Selective Sensing of the Mercury(II) Ion (pages 925–928)

      Dr. Anurag Mishra, Jae-Ho Jo, Dr. Hyunuk Kim, Dr. Sangkook Woo and Prof. Ki-Whan Chi

      Article first published online: 26 MAY 2014 | DOI: 10.1002/cplu.201402059

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      A sensitive issue: A discrete ethynyl pyridine amide-based cobalt complex shows an enhanced fluorescence signal with high sensitivity and selectivity for Hg2+ ions relative to other metal ions (see figure). Selective chelation of Hg2+ with the complex occurs through the coordination of the nitrogen atoms of the ethynyl pyridine moieties.

  9. Full Papers

    1. Top of page
    2. Cover Picture
    3. Cover Profile
    4. Graphical Abstract
    5. News
    6. Masthead
    7. Interview
    8. Minireview
    9. Communications
    10. Full Papers
    1. Reduced Graphene Oxide as a Metal-Free Carbocatalyst for Polymerization of 1-Naphthylamine (pages 929–935)

      Dr. Lin Tan, Yong-Chen Zhang, Bin Wang, He-Ming Luo and Prof. Hui-Xia Feng

      Article first published online: 21 MAY 2014 | DOI: 10.1002/cplu.201402020

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      Carbocatalyst polymerization: The catalytic activity of RGO toward the electrochemical polymerization and in situ polymerization of 1-NPA is investigated systematically. The “π–π” interaction between 1-NPA and regions of RGO, which plays the most important role in the catalytic effect of RGO, helps electrons partially transfer from RGO to 1-NPA to make the monomer more easily oxidized.

    2. Synthesis and Electron-Transfer Processes in a New Family of Ligands for Coupled Ru−Mn2 Complexes (pages 936–950)

      Dr. Erik A. Karlsson, Dr. Bao-Lin Lee, Dr. Rong-Zhen Liao, Dr. Torbjörn Åkermark, Dr. Markus D. Kärkäs, Valeria Saavedra Becerril, Prof. Per E. M. Siegbahn, Prof. Xiaodong Zou, Prof. Maria Abrahamsson and Prof. Björn Åkermark

      Article first published online: 12 MAR 2014 | DOI: 10.1002/cplu.201402006

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      Power of two: Three new ruthenium-containing ligands have been developed with the aim of preparing coupled Ru[BOND]Mn2 complexes such as 1 (see picture). Although dyad 1 is capable of catalyzing chemical water oxidation, photochemical water oxidation in the presence of an external electron acceptor fails. The photophysical behavior can be explained by the presence of an intricate excited-state manifold.

    3. One-Dimensional [Ni(O2CR)2(N[BOND]N)x] Polymers: Structural, Magnetic, and Density Functional Theory Studies (pages 951–961)

      Miguel Cortijo, Dr. Santiago Herrero, Belén Jerez, Prof. Reyes Jiménez-Aparicio, Dr. Josefina Perles, Dr. José L. Priego, Dr. Javier Torroba and Dr. José Tortajada

      Article first published online: 18 MAR 2014 | DOI: 10.1002/cplu.201402005

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      Explaining antiferromagnetism: Five 1 D Ni2+ complexes are prepared and characterized by elemental analysis, IR spectroscopy, thermogravimetric analysis, X-ray diffraction, and magnetic studies. Three different arrangements are found. The magnetic behavior of the compounds indicates the presence of antiferromagnetic interactions that vary from very strong to very weak. Density functional calculations using the broken-symmetry approach are performed to gain insights into this magnetic behavior.

    4. Diagnosis of the Redox Levels of TCNQF4 Compounds Using Vibrational Spectroscopy (pages 962–972)

      Dr. Naomi L. Haworth, Dr. Jinzhen Lu, Nguyen Vo, Dr. Thanh Hai Le, Dr. Christopher D. Thompson, Prof. Alan M. Bond and Assoc. Prof. Lisandra L. Martin

      Article first published online: 6 APR 2014 | DOI: 10.1002/cplu.201402013

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      Righting wrongs: The vibrational spectroscopy of TCNQF4 is reassessed, revealing many bands have been mis-assigned in recent studies. The revised data have allowed the development of a series of diagnostics for characterisation of TCNQF4 redox levels (see figure). The previous primary diagnostic tool, the ν(C≡N) modes, is sensitive to metal-ion coordination. Recognition of this sensitivity is essential for interpreting spectra of organic molecular species.

    5. Silver Coordination Polymers Based on p-Cyanophenylsilanes as Ligands (pages 973–984)

      Bianca Blankschein, Prof. Dr. Axel Schulz, Dr. Alexander Villinger and Dr. Ronald Wustrack

      Article first published online: 8 APR 2014 | DOI: 10.1002/cplu.201402026

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      Cross my polymer with silver: A general synthesis for different p-cyanophenylsilanes and their application as bi-, tri and tetradentate ligands in the coordination chemistry of AgIX (X=O3SCF3, CO2CF3) is presented. Treatment of AgO2CCF3 with the tetradentate ligand Si(C6H4CN)4 leads to the formation of a diamond-like 3D network with two interpenetrating nets linked by bridging Ag2(CF3CO2)2 dimers. (see picture).

    6. Syntheses, Structures, and Luminescence Properties of Lanthanide Coordination Polymers with a Polycarboxylic Terpyridyl Derivative Ligand (pages 985–994)

      Juan Xie, Hui-Ming Shu, Prof. Dr. Huai-Ming Hu, Zhong-Xi Han, Sa-Sa Shen, Fei Yuan, Meng-Lin Yang, Fa-Xin Dong and Prof. Gang-Lin Xue

      Article first published online: 9 APR 2014 | DOI: 10.1002/cplu.201402030

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      Made to fit: A new H3L ligand, 4′-(3-carboxylpyridyl)-2,2′:6′,2“-terpyridine- 6,6”-dicarboxylic acid, is described for the formation of seven lanthanide–organic frameworks (see picture). The seven complexes crystallized in three structural types owing to the lanthanide contraction effect, which is reflected in the differences in the coordination number and geometry of lanthanide ions.

    7. Heterojunction Ag–TiO2 Nanopillars for Visible-Light-Driven Photocatalytic H2 Production (pages 995–1000)

      Dr. Yang Qu, Dr. Wei Zhou, Dr. Zhiyu Ren, Dr. Chungui Tian, Dr. Jialin Li and Prof. Honggang Fu

      Article first published online: 16 APR 2014 | DOI: 10.1002/cplu.201402012

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      Under the sun: Heterojunction Ag–TiO2 nanopillars have been fabricated by a one-pot method. They exhibit high photocatalytic H2 production efficiency under visible-light irradiation owing to the contacted junctions and surface plasmon resonance effect, which result in effective charge separation and solar energy utilization (see figure).

    8. Receptor with an Active Methylene Group as Binding Site for Extraction of Inorganic Fluoride Ions from Seawater (pages 1001–1008)

      Madhuprasad and Dr. Darshak R. Trivedi

      Article first published online: 16 APR 2014 | DOI: 10.1002/cplu.201402018

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      Watercolors: A receptor based on a triphenylphosphonium salt that contains an active methylene group has been designed and synthesized for the colorimetric detection and extraction of F ions from seawater with 99 % efficiency. The process results in an instantaneous color change (see figure).

    9. Microporous Carbon and Mesoporous Silica by Use of Twin Polymerization: An Integrated Experimental and Theoretical Approach to Precursor Reactivity (pages 1009–1023)

      Philipp Kitschke, Prof. Dr. Alexander A. Auer, Dr. Tina Löschner, Dr. Andreas Seifert, Prof. Dr. Stefan Spange, Dr. Tobias Rüffer, Prof. Dr. Heinrich Lang and Prof. Dr. Michael Mehring

      Article first published online: 22 APR 2014 | DOI: 10.1002/cplu.201402029

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      On the double: The reactivity of a series of silicon-containing spirocyclic compounds towards both thermally induced and proton-assisted twin polymerization has been examined. The properties of the as-obtained hybrid materials and the porous materials formed after consecutive treatments have been studied (see figure). Density functional calculations and calorimetry support a reactivity scale based on the Hammett substituent constants of the compounds.

    10. Aerosol-Assisted Chemical Vapour Deposition of Transparent Zinc Gallate Films (pages 1024–1029)

      Dr. Caroline E. Knapp, Joe A. Manzi, Dr. Andreas Kafizas, Prof. Ivan P. Parkin and Prof. Claire J. Carmalt

      Article first published online: 30 APR 2014 | DOI: 10.1002/cplu.201402037

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      Making a deposit: Transparent zinc gallate films have been deposited by means of a simple one-pot solution-based aerosol-assisted chemical vapour deposition (AACVD) method (see scheme). AACVD of trimethylgallium, diethylzinc and the donor-functionalised alcohol HOCH2CH2OMe in toluene resulted in the formation of ZnGa2O4 films along with some amorphous Ga2O3.

    11. Synthesis and Stability of N,N′-Dialkyl-1,13-dimethoxyquinacridinium (DMQA+): A [4]Helicene with Multiple Redox States (pages 1030–1035)

      Dr. Thomas Just Sørensen, Dr. Merete F. Nielsen and Dr. Prof. Bo W. Laursen

      Article first published online: 30 APR 2014 | DOI: 10.1002/cplu.201402058

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      To dye for: Of the [4]helicenium ions, N,N′-dialkyl-1,13-dimethoxyquinacridinium (DMQA+, see scheme) is the most stable cation and the most potent dye. DMQA+ can undergo Pummerer fragmentation, umpolung chemistry and centre addition. In this study, electrochemical studies, cation-stability determination and synthetic methodologies are discussed in an attempt to understand the origin of the unique properties of DMQA+.

    12. β-Sheet Breaker Peptides Containing α,β-Dehydrophenylalanine: Synthesis and In Vitro Activity Studies (pages 1036–1043)

      Dr. Cesare Giordano, Dr. Pasqualina Punzi, Dr. Clorinda Lori, Dr. Roberta Chiaraluce and Dr. Valerio Consalvi

      Article first published online: 6 MAY 2014 | DOI: 10.1002/cplu.201402072

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      β-Sheet breaker inhibitors: Six new pseudopeptides containing α,β-unsaturated phenylalanines (ΔPhe), related to the pentapeptide Ac-LPFFD-NH2, were synthesized and tested as fibrillogenesis inhibitors by Thioflavin T binding assay, far-UV circular dichroism spectroscopy, ESI-MS, and SEM. The presence of two consecutive ΔPhe moieties increases the inhibiting activity significantly compared with that of the lead compound.

    13. Diels–Alder Reaction of o-Carboryne with Fulvenes: Synthesis of Carboranonorbornadienes and Their Transformations (pages 1044–1052)

      Jie Zhang , Prof. Dr. Zaozao Qiu, Prof. Dr. Peng-Fei Xu and Prof. Dr. Zuowei Xie

      Article first published online: 1 JUL 2014 | DOI: 10.1002/cplu.201402129

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      First class: A Diels–Alder reaction of o-carboryne with 6,6′-diarylfulvenes gave a series of carboranonorbornadienes, which serves as a convenient method for the preparation of a new class of multifunctionalized o-carborane derivatives (see scheme).

    14. Surface Functionalization for Synergistic Catalysis: Silica–Alumina-Supported Cationic Indium and Organic Base for Cyanoethoxycarbonylation (pages 1053–1058)

      Dr. Ken Motokura, Yasuhiro Ito, Hiroto Noda, Dr. Akimitsu Miyaji, Dr. Sho Yamaguchi and Prof. Dr. Toshihide Baba

      Article first published online: 15 APR 2014 | DOI: 10.1002/cplu.201402004

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      Close relationship: A silica–alumina (SiO2–Al2O3) surface possessing both In3+ cations and an amine base is described. These two functions on same solid surface act as acidic and basic units in the catalytic cyanoethoxycarbonylation of aldehyde (see picture).

    15. A Probe for the Selective and Parts-per-Billion-Level Detection of Copper(II) and Mercury(II) using a Micellar Medium and Its Utility in Cell Imaging (pages 1059–1064)

      Dr. Namita Kumari, Dr. Satadru Jha, Dr. Santosh K. Misra and Prof. Dr. Santanu Bhattacharya

      Article first published online: 6 MAY 2014 | DOI: 10.1002/cplu.201402016

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      Positive discrimination: A novel colorimetric probe 1 based on the picolyl moiety has been designed (see figure). The probe can conveniently and specifically detect Cu2+ ions in water, as indicated by a visual change in color. However, with the use of a micellar medium, the probe can detect both Cu2+ and Hg2+ ions ratiometrically and selectively even at the parts-per-billion level. The probe is also useful for checking metal-ion contamination in cellular samples.

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