Chemistry - A European Journal

Cover image for Vol. 20 Issue 43

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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October 08, 2014

Prize-winning chemistry!

Prize-winning chemistry!

The Nobel Prize in Chemistry 2014 has been awarded jointly to Eric Betzig, Howard Hughes Medical Institute, Ashburn, VA, USA, Stefan W. Hell, Max Planck Institute for Biophysical Chemistry, Göttingen, and German Cancer Research Center, Heidelberg, Germany, and William E. Moerner, Stanford University, CA, USA, "for the development of super-resolved fluorescence microscopy".

Work from Stefan Hell and his group on masked rhodamine dyes and their applications in light microscopy applications was recently highlighted on the front cover of Chemistry—A European Journal.

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Recently Published Articles

  1. Copper-Catalyzed Propargylic Substitution of Dichloro Substrates: Enantioselective Synthesis of Trisubstituted Allenes and Formation of Propargylic Quaternary Stereogenic Centers

    Dr. Hailing Li, Dr. David Grassi, Dr. Laure Guénée, Prof. Dr. Thomas Bürgi and Prof. Dr. Alexandre Alexakis

    Article first published online: 19 OCT 2014 | DOI: 10.1002/chem.201404668

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    A range of chiral allenes and terminal alkynes are synthesized highly enantioselectively. Starting from prochiral dichloro substrate bearing substituent R1, different alkyl groups R2 are introduced providing chiral chloroallenes. Further substitution reaction installs R3 groups highly stereospecifically and demonstrates diverse substitution patterns.

  2. Luminescence Color Tuning of PtII Complexes and a Kinetic Study of Trimer Formation in the Photoexcited State

    T. Kayano, S. Takayasu, Dr. K. Sato and Prof. K. Shinozaki

    Article first published online: 19 OCT 2014 | DOI: 10.1002/chem.201403789

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    Luminescence color tuning: An excited PtII complex was shown to possess a sufficiently long lifetime for aggregation to take place, and easily form an aggregate in energetically favored exothermic reactions. Color variation from blue to white to orange, due to blending of the luminescence colors of the monomer, dimer, and trimer of the excited PtII complex, was observed not only in concentration-dependent emission but also in time-resolved emission.

  3. Hydroarylations of Heterobicyclic Alkenes through Rhodium-Catalyzed Directed C[BOND]H Functionalizations of S-Aryl Sulfoximines

    Dr. Wanrong Dong, Dr. Kanniyappan Parthasarathy, Ying Cheng, Dr. Fangfang Pan and Prof. Dr. Carsten Bolm

    Article first published online: 19 OCT 2014 | DOI: 10.1002/chem.201404859

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    Rhodium-catalyzed hydroarylations of heterobicyclic alkenes with NH-sulfoximines lead to products that can then be converted to aryl-fused thiazines. The initial process involves a C[BOND]H-functionalization directed by the sulfoximidoyl group. Aryl addition to the alkene is then followed by dehydration and palladium-catalyzed oxidative C[BOND]N coupling (see scheme).

  4. You have full text access to this OnlineOpen article
    Experimental and Computational Evidence for the Mechanism of Intradiol Catechol Dioxygenation by Non-Heme Iron(III) Complexes

    Robin Jastrzebski, Dr. Matthew G. Quesne, Prof. Dr. Bert M. Weckhuysen, Dr. Sam P. de Visser and Dr. Pieter C. A. Bruijnincx

    Article first published online: 16 OCT 2014 | DOI: 10.1002/chem.201404988

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    Reaction mechanism: The combination of experimental and computational work has revealed that in catechol intradiol dioxygenation, oxygen binds to iron first, facilitated by partial dissociation and one-electron oxidation of the substrate (see scheme). The subsequent attack of oxygen on the substrate carbon atom was shown to be the rate-determining step in this unique reaction.

  5. Phosphine-Free Stille–Migita Chemistry for the Mild and Orthogonal Modification of DNA and RNA

    Dipl.-Biochem. André Krause, Alexander Hertl, Fabian Muttach and Prof. Dr. Andres Jäschke

    Article first published online: 16 OCT 2014 | DOI: 10.1002/chem.201404843

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    Cross-coupling meets click chemistry: The Stille–Migita reaction expands the scope of chemical and enzymatic synthesis of DNA and RNA. Previously challenging functionalities like acid-, base- or fluoride-labile moieties and azides could be introduced into an unprotected RNA dinucleotide, as well as into nucleoside triphosphates and oligonucleotides on solid support, allowing for direct access to novel enzymatic building blocks.

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