Chemistry - A European Journal

Cover image for Vol. 23 Issue 4

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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The following papers are very important in the opinion of two referees.

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Highly Conformationally Restricted Cyclopropane Tethers with Three-Dimensional Structural Diversity Drastically Enhance the Cell Permeability of Cyclic Peptides

Dr. Kouhei Matsui, Dr. Yasuto Kido, Ryosuke Watari, Dr. Yousuke Kashima, Dr. Yutaka Yoshida and Prof. Satoshi Shuto

Highly Conformationally Restricted Cyclopropane Tethers with Three-Dimensional Structural Diversity Drastically Enhance the Cell Permeability of Cyclic Peptides

Conformation analysis: A new strategy that can dramatically change the conformation and physicochemical properties of cyclic peptides having an all l-amino acid sequence by introducing only a cyclopropane tether (CPT) is presented. Particularly, the introduction of a cis-NfCf fixed a conformation suitable for passive transport and substantially improved the cell permeability of the model cyclic peptide (see scheme).

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Ammonothermal Synthesis of Novel Nitrides: Case Study on CaGaSiN3

Jonas Häusler, Lukas Neudert, Mathias Mallmann, Robin Niklaus, Anna-Carina L. Kimmel, Dr. Nicolas S. A. Alt, Prof. Dr. Eberhard Schlücker, Prof. Dr. Oliver Oeckler and Prof. Dr. Wolfgang Schnick

Ammonothermal Synthesis of Novel Nitrides: Case Study on CaGaSiN3

High-pressure ammonolysis: The novel nitridogallosilicate CaGaSiN3:Eu2+ was synthesized as a new variant of CASN-type materials by the ammonothermal method and features promising luminescence properties for the application in phosphor-converted LEDs.

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Co-existence of Distinct Supramolecular Assemblies in Solution and in the Solid State

G. N. Manjunatha Reddy, Aida Huqi, Dinu Iuga, Satoshi Sakurai, Andrew Marsh, Jeffery T. Davis, Stefano Masiero and Steven P. Brown

Co-existence of Distinct Supramolecular Assemblies in Solution and in the Solid State

Ribbon or quartet or both? The co-existence of distinct supramolecular assemblies formed by a lipophilic guanosine derivative is characterized in solution and in the solid state, through a combined solution and solid-state NMR (20 T, 75 kHz magic angle spinning) spectroscopy approach. The reversibility of the self-assembly phenomena is demonstrated.

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pH-Gated Chloride Transport by a Triazine-Based Tripodal Semicage

Arundhati Roy, Debasis Saha, Prashant Sahebrao Mandal, Dr. Arnab Mukherjee and Dr. Pinaki Talukdar

pH-Gated Chloride Transport by a Triazine-Based Tripodal Semicage

A tripodal semicage was developed as an excellent chloride ion carrier across bilayer lipid membranes with chloride selectivity. Protonation within the receptor cavity allows strong chloride-ion binding with direct and indirect participation of multiple mobile water molecules.

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Relative Strand Orientation in a DNA Duplex Controls the Nuclearity of a Metal-Mediated Base Pair

Dr. Soham Mandal, Marian Hebenbrock and Prof. Dr. Jens Müller

Relative Strand Orientation in a DNA Duplex Controls the Nuclearity of a Metal-Mediated Base Pair

Switching the nuclearity: The first base pair that can be transformed into a mononuclear or a dinuclear metal-mediated base pair, depending on the relative strand orientation of the DNA duplex, is reported. Towards this end, the artificial nucleobase 1,N6-ethenoadenine was employed (see scheme).

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Definition of the Labile Capping Bond Effect in Lanthanide Complexes

Dr. Aurora Rodríguez-Rodríguez, Dr. Martín Regueiro-Figueroa, Dr. David Esteban-Gómez, Prof. Teresa Rodríguez-Blas, Dr. Véronique Patinec, Prof. Raphaël Tripier, Dr. Gyula Tircsó, Dr. Fabio Carniato, Prof. Mauro Botta and Dr. Carlos Platas-Iglesias

Definition of the Labile Capping Bond Effect in Lanthanide Complexes

It′s all in the coordination: With the aid of two macrocyclic ligands, it was demonstrated that the exchange rate of the Gd3+-bound water molecules is affected dramatically by their coordination environment. These results showcase the labile capping bond phenomenon: A ligand occupying a capping position is hindered by the environment and thus is intrinsically labile.

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Heteromultimetallic Complexes with Redox-Active Mesoionic Carbenes: Control of Donor Properties and Redox-Induced Catalysis

Lara Hettmanczyk, Lisa Suntrup, Sinja Klenk, Carolin Hoyer and Prof. Dr. Biprajit Sarkar

Heteromultimetallic Complexes with Redox-Active Mesoionic Carbenes: Control of Donor Properties and Redox-Induced Catalysis

Here come the MICs: Redox-active mesoionic carbenes are used as ligands in gold(I) complexes. These carbenes mediate electron coupling between two iron centers. Donor properties of the carbenes in their various redox states were gauged by the Tolman electronic parameter. The oxidized and electron-poor carbenes also form potent gold(I) catalysts for cyclization reactions without the need for any additional additives.

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