Chemistry - A European Journal

Cover image for Vol. 23 Issue 30

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

Impact Factor: 5.771

ISI Journal Citation Reports © Ranking: 2015: 24/163 (Chemistry Multidisciplinary)

Online ISSN: 1521-3765

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

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Recently Published Articles

  1. Coordination-supported Imidazolate Networks: Water- and Thermally Stable Mesoporous Polymers for Catalysis

    Pengfei Zhang, Shize Yang, Matthew F Chisholm, Xueguang Jiang, Caili Huang and Sheng Dai

    Accepted manuscript online: 29 MAY 2017 12:20PM EST | DOI: 10.1002/chem.201702430

  2. Tunable Ligand Effects on Ruthenium Catalyst Activity for Selectively Preparing Imines or Amides by Dehydrogenative Coupling Reactions of Alcohols and Amines

    Takafumi Higuchi, Risa Tagawa, Atsuhiro Iimuro, Shoko Akiyama, Haruki Nagae and Kazushi Mashima

    Accepted manuscript online: 29 MAY 2017 12:20PM EST | DOI: 10.1002/chem.201701342

  3. Scope of the Thermal Ring-Expansion Reaction of Boroles with Organoazides

    Prof. Dr. Holger Braunschweig, Dr. Mehmet Ali Celik, Dr. Theresa Dellermann, Prof. Gernot Frenking, Kai Hammond, Dr. Florian Hupp, Hauke Kelch, Dr. Ivo Krummenacher, Felix Lindl, Dr. Lisa Mailänder, Jonas H. Müssig and Annika Ruppert

    Version of Record online: 29 MAY 2017 | DOI: 10.1002/chem.201700749

    Thumbnail image of graphical abstract

    Forging rings: The ring expansion of boracyclopentadienes (boroles) with organic azides is highly divergent, leading to three distinct 1,2-azaborinines, BN analogues of benzene (see graphic). To address the factors that determine the reaction outcome, the electronic and steric properties of the azide and borole substituents were systematically varied and DFT calculations were performed to elucidate the mechanism.

  4. 3-Nitro-2-pyridinesulfenates as Efficient Solution- and Solid-Phase Disulfide Bond Forming Agents

    Dr. Akihiro Taguchi, Kiyotaka Kobayashi, Dr. Akira Kotani, Kyohei Muguruma, Misaki Kobayashi, Dr. Kentarou Fukumoto, Dr. Kentaro Takayama, Prof. Dr. Hideki Hakamata and Prof. Dr. Yoshio Hayashi

    Version of Record online: 29 MAY 2017 | DOI: 10.1002/chem.201700952

    Thumbnail image of graphical abstract

    Solid-phase disulfide formation: A new disulfide-forming agent based on the finding that alkoxy 3-nitro-2-pyridinesulfenates (Npys-OR) can mildly oxidize thiol groups has been developed. As a representative compound, Npys-OMe and its solid-phase derivative produced the cyclic peptide oxytocin from its linear form in a good yield (92 %) with minimal oligomer formation. Other disulfide peptides, α-human atrial natriuretic peptide and α-conotoxin ImI, were also successfully synthesized.

  5. Cyclization of Ynamide-Tethered 1,3,8-Triynes

    Venkata R. Sabbasani, Hyunjin Lee, Peipei Xie, Prof. Yuanzhi Xia and Prof. Daesung Lee

    Version of Record online: 29 MAY 2017 | DOI: 10.1002/chem.201701781

    Thumbnail image of graphical abstract

    Zwitterionic or biradical: Thermal activation of ynamide-tethered 1,3,8-triynes induces a ring-closure to form a 3,5,6,7-tetrahydro-1H-pyrano[3,4-c]pyridine skeleton. A strained keteniminium or a biradical formation followed a 1,5-hydride or a hydrogen shift are the key elementary steps. An appropriate electronic activation at the hydrogen- or hydride-donating carbon, which leads to a stabilized oxonium or a radical species, is crucial for effective cyclization.