Chemistry - A European Journal

Cover image for Vol. 21 Issue 19

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

Impact Factor: 5.696

ISI Journal Citation Reports © Ranking: 2013: 22/148 (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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Recently Published Articles

  1. Enantiomeric Cyclic Peptides with Different Caco-2 Permeability Suggest Carrier-Mediated Transport

    Dr. Udaya Kiran Marelli, M. Sc. Jacqueline Bezençon, B. Sc. Eduard Puig, Prof. Dr. Beat Ernst and Prof. Dr. Horst Kessler

    Article first published online: 27 APR 2015 | DOI: 10.1002/chem.201501270

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    Permeability properties of enantiomeric pairs of three polar and two lipophilic peptides are investigated with an artificial membrane permeability assay (PAMPA) and a Caco-2 cell model to demonstrate the participation of carrier-mediated transporters. All enantiomer peptide pairs exhibited identical lipophilicity and passive permeability, whereas only enantiomeric polar peptides showed noticeable differences in permeability across Caco-2 cells, suggesting a carrier-mediated transport.

  2. A Visible Light Photocatalytic Cross-Dehydrogenative Coupling/Dehydrogenation/6π-Cyclization/Oxidation Cascade: Synthesis of 12-Nitroindoloisoquinolines from 2-Aryltetrahydroisoquinolines

    Fabian Rusch, Lisa-Natascha Unkel, Dirk Alpers, Dr. Frank Hoffmann and Prof. Dr. Malte Brasholz

    Article first published online: 27 APR 2015 | DOI: 10.1002/chem.201500612

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    In one pot: A visible light-induced photocatalytic cross-dehydrogenative coupling (CDC)/dehydrogenation/6π-cyclization/oxidation cascade converts common 2-aryl-1,2,3,4-tetrahydroisoquinolines into 12-nitro-substituted tetracyclic indolo[2,1-a]isoquinoline derivatives. Key to this new one-pot transformation is the presence of K3PO4 as a base and amino anthraquinone derivatives appear as superior organic photocatalysts.

  3. Enantiogroup-Differentiating Biocatalytic Reductions of Prochiral Cs-Symmetrical Dicarbonyl Compounds to meso Compounds

    Marc Skoupi, Dr. Carine Vaxelaire, Prof. Dr. Carsten Strohmann, Prof. Dr. Mathias Christmann and Prof. Dr. Christof M. Niemeyer

    Article first published online: 27 APR 2015 | DOI: 10.1002/chem.201500741

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    Remote control: The biocatalytic desymmetrization of Cs-symmetrical 1,7-dicarbonyl compound 1 (see scheme) enables the sequential synthesis of remote 1,7-meso-diols by utilizing ketoreductases. The excellent enantiogroup differentiation of GRE2 towards a prostereogenic substituent facilitates the designated synthesis of both stereomeric meso-compounds.

  4. A New Simple Chromo-fluorogenic Probe for NO2 Detection in Air

    L. Alberto Juárez, Prof. Ana M. Costero, Dr. Félix Sancenón, Prof. Ramón Martínez-Máñez, Prof. Margarita Parra and Dr. Pablo Gaviña

    Article first published online: 27 APR 2015 | DOI: 10.1002/chem.201500608

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    NO2 risk, NO2 fun: A new chromo-fluorogenic probe for NO2 detection in gas phase has been developed. A clear colour change from colourless to yellow (see figure) together with an emission quenching was observed when the probe reacted with NO2. The system was successfully applied to the detection of NO2 in realistic atmospheric conditions.

  5. Solid Polymer Substrates and Coated Fibers Containing 2,4,6-Trinitrobenzene Motifs as Smart Labels for the Visual Detection of Biogenic Amine Vapors

    Dr. Jesús L. Pablos, Dr. Saúl Vallejos, Dr. Asunción Muñoz, Prof. Dr. María J. Rojo, Dr. Felipe Serna, Prof. Dr. Félix C. García and Prof. Dr. José M. García

    Article first published online: 27 APR 2015 | DOI: 10.1002/chem.201501365

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    Is this fish fresh? Polymers containing chemically anchored trinitrobenzene motifs are exploited as colorimetric sensors for biogenic amine vapors. Tractable transparent films and coated fibers as chromogenic smart labels are reported. Therefore, the color change of these materials upon interaction/detection of volatile, amines produced in food spoilage, specifically in the deterioration of fish or meat, can be used as a visual test for food freshness.