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Angewandte Chemie

Halogen Bond Catalyzed Bromocarbocyclization

Published: 23 February 2018

Author(s): Yuk‐Cheung Chan, Ying‐Yeung Yeung

Abstract A halogen bond catalyzed bromo‐carbocyclization of N‐cinnamyl sulfonamides and O‐cinnamyl phenyl ethers has been developed. N‐methyl 4‐iodopyridinium triflate is used as the halogen‐bonding organocatalyst and the reaction is highly chemoselective. This report represents the first proof‐of‐concept for halogen‐bonding organocatalyst‐promoted electrophilic halogenation. Mechanistic study suggests the autocatalytic nature of this...

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Chemistry - A European Journal

Understanding the Unexpected Product Distribution in the Aerial Oxidation of Carbene‐Stabilized Diphosphorus Complex

Published: 23 February 2018

Author(s): Boyli Ghosh, Ambar Banerjee, Ankan Paul

Abstract Oxidation of nonmetallic singlet molecules by oxygen has its own share of intricacies. Herein, by means of DFT and ab initio techniques, mechanistic details of the aerial oxidation of an N‐heterocyclic carbene (NHC) stabilized diphosphorus complex are revealed. This particular oxidation process is known to produce an unexpected P−P bond containing diphosphorus tetroxide complex, instead of the more thermodynamically stable...

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Angewandte Chemie

Transient‐Ligand‐Enabled ortho ‐Arylation of Five‐Membered Heterocycles: Facile Access to Mechanochromic Materials

Published: 23 February 2018

Author(s): Bijin Li, Kapileswar Seth, Ben Niu, Lei Pan, Huiwen Yang, Haibo Ge

Abstract Reported herein is the first example of a direct arylation of heteroarenes by a transient‐ligand‐directed strategy without the need to construct and deconstruct the directing group. A wide range of heteroarenes undergoes the coupling with diverse aryl iodides to assemble a large library of highly selective and functionalized 3‐arylthiophene‐2‐carbaldehydes. This route provides an opportunity to rapidly access new...

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Angewandte Chemie International Edition

Water‐Assisted Size and Shape Control of CsPbBr 3 Perovskite Nanocrystals

Published: 23 February 2018

Author(s): Xiaoyu Zhang, Xue Bai, Hua Wu, Xiangtong Zhang, Chun Sun, Yu Zhang, Wei Zhang, Weitao Zheng, William W. Yu, Andrey L. Rogach

Abstract Lead‐halide perovskites are well known to decompose rapidly when exposed to polar solvents, such as water. Contrary to this common‐place observation, we have found that through introducing a suitable minor amount of water into the reaction mixture, we can synthesize stable CsPbBr3 nanocrystals. The size and the crystallinity, and as a result the band gap tunability of the strongly emitting CsPbBr3 nanocrystals correlate with the water...

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Angewandte Chemie International Edition

Elucidation of the Oxygen Reduction Volcano in Alkaline Media using a Copper–Platinum(111) Alloy

Published: 23 February 2018

Author(s): Kim D. Jensen, Jakub Tymoczko, Jan Rossmeisl, Aliaksandr S. Bandarenka, Ib Chorkendorff, María Escudero‐Escribano, Ifan E. L. Stephens

Abstract The relationship between the binding of the reaction intermediates and oxygen reduction activity in alkaline media was experimentally explored. By introducing Cu into the 2nd surface layer of a Pt(111) single crystal, the surface reactivity was tuned. In both 0.1 m NaOH and 0.1 m KOH, the optimal catalyst should exhibit OH binding circa 0.1 eV weaker than Pt(111), via a Sabatier volcano; this observation suggests that the...

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Chemistry - An Asian Journal

Amorphous Materials for Enhanced Localized Surface Plasmon Resonances

Published: 23 February 2018

Author(s): Chuanhui Zhu, Qun Xu

Abstract The discovery of localized surface plasmon resonance (LSPR) in semiconductor nanocrystals has initiated a new field in plasmonics. Plasmonic nanocrystals in particular have seen rapid development in recent years because they are a class of materials with unique photoelectronic properties. At present, a growing number of amorphous plasmonic materials has been steadily capturing scientific interest, though only a few of these...

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Angewandte Chemie International Edition

Immune Checkpoint PD‐1/PD‐L1: Is There Life Beyond Antibodies?

Published: 23 February 2018

Author(s): Markella Konstantinidou, Tryfon Zarganes‐Tzitzikas, Katarzyna Magiera‐Mularz, Tad A. Holak, Alexander Dömling

Abstract The PD‐1/PD‐L1 interaction has emerged as a significant target in cancer immunotherapy. Current medications include monoclonal antibodies, which have shown impressive clinical results in the treatment of several types of tumors. The cocrystal structure of human PD‐1 and PD‐L1 is expected to be a valuable starting point for the design of novel inhibitors, along with the recent crystal structures with monoclonal antibodies,...

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ChemPhysChem

On the Action of General Anesthetics on Cellular Function: Barbiturate Alters the Exocytosis of Catecholamines in a Model Cell System

Published: 23 February 2018

Author(s): Daixin Ye, Andrew Ewing

Abstract General anesthetics are essential in many areas, however, the cellular mechanisms of anesthetic‐induced amnesia and unconsciousness are incompletely understood. Exocytosis is the main mechanism of signal transduction and neuronal communication through the release of chemical transmitters from vesicles to the extracellular environment. Here, we use disk electrodes placed on top of PC12 cells to show that treatment with...

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ChemPhysChem

Accurate Ionization Energies for Mononuclear Copper Complexes Remain a Challenge for Density Functional Theory

Published: 23 February 2018

Author(s): Büsra Dereli, Manuel A. Ortuño, Christopher J. Cramer

Abstract Copper is ubiquitous and its one‐electron redox chemistry is central to many catalytic processes. Modeling such chemistry requires electronic structure methods capable of the accurate prediction of ionization energies (IEs) for compounds including copper in different oxidation states and supported by various ligands. Herein, we estimate IEs for 12 mononuclear Cu species previously reported in the literature by using 21...

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ChemPhysChem

Fine Structure in Electronic Spectra of Cyanine Dyes: Are Sub‐Bands Largely Determined by a Dominant Vibration or a Collection of Singly Excited Vibrations?

Published: 23 February 2018

Author(s): Heinz Mustroph, Andrew Towns

Abstract This work critically examines attempts to model the fine structure apparent in electronic spectra of cyanine dyes and their analogues. Numerous computational studies reported over the past decade attribute the origin of sub‐bands and their relative intensities to vibronic transitions in which the relevant electronic transition is coupled, irrespective of symmetry, with a collection of vibrations. It is contended that this...

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Most-accessed articles from each ChemPubSoc Europe, ACES, and GDCh journal

January 2018

 


New Academicians and Foreign Members of the Chinese Academy of Sciences [News]
Angew. Chem. Int. Ed. 2018, vol. 57, p. 1445

Michael Dirkmann, Javier Iglesias-Fernández, Victor Muñoz, Pandian Sokkar, Christoph Rumancev, Andreas von Gundlach, Oktavian Krenczyk, Tobias Vöpel, Julia Nowack, Martin A. Schroer, Simon Ebbinghaus, Christian Herrmann, Axel Rosenhahn, Elsa Sanchez-Garcia, Frank Schulz
A Multiperspective Approach to Solvent Regulation of Enzymatic Activity: HMG-CoA Reductase [Communication]
ChemBioChem 2018, vol. 19, p. 153

Isabela C. Man, Hai-Yan Su, Federico Calle-Vallejo, Heine A. Hansen, José I. Martínez, Nilay G. Inoglu, John Kitchin, Thomas F. Jaramillo, Jens K. Nørskov, Jan Rossmeisl
Universality in Oxygen Evolution Electrocatalysis on Oxide Surfaces [Full Paper]
ChemCatChem 2011, vol. 3, p. 1159

Matthias Ducci
Geheimtinten [Artikel]
Chem. Unserer Zeit 2017, vol. 51, p. 228

Balaram Mukhopadhyay, Rituparna Das
Chemical O-Glycosylations: An Overview [Review]
ChemistryOpen 2016, vol. 5, p. 401

Lei Han, Meng-Ke Wu, Fei-Yan Yi, Dongxiao Chen, Hai-Long Jiang
Chemical Sensors Based on Metal-Organic Frameworks [Review]
ChemPlusChem 2016, vol. 81, p. 675

Miaofang Chi, Harry M. Meyer, Zili Wu, Liangbo Liang, Peter V. Bonnesen, Dale K. Hensley, Rui Peng, Yang Song, Cheng Ma, Bobby G. Sumpter, Adam J. Rondinone
High-Selectivity Electrochemical Conversion of CO2 to Ethanol using a Copper Nanoparticle/N-Doped Graphene Electrode [Full Paper]
ChemistrySelect 2016, vol. 1, p. 6055

Ekkehard Schwab, Sebastian Schiebahn, Georg Schaub, Martin Reuter, Konstantin Räuchle, Ludolf Plass, Marcell Peuckert, Anja Metzelthin, Falko Mahlendorf, Wolfram Koch, Renate Hoer, Angelika Heinzel, Sigmar Bräuninger, Martin Bertau, Christian Beilmann, Florian Ausfelder, Ferdi Schüth, Detlef Stolten, Gisa Teßmer, Kurt Wagemann, Karl-Friedrich Ziegahn
Energiespeicherung als Element einer sicheren Energieversorgung [Übersichtsbeitrag]
Chem. Ing. Tech. 2015, vol. 87, p. 17

Abas Mohsenzadeh, Akram Zamani, Mohammad J. Taherzadeh
Bioethylene Production from Ethanol: A Review and Techno-economical Evaluation [Review]
ChemBioEng Rev. 2017, vol. 4, p. 75

Lantao Liu, Yanli Zhou, Shuang Liu, Maotian Xu
The Applications of Metal−Organic Frameworks in Electrochemical Sensors [Review]
ChemElectroChem 2018, vol. 5, p. 6

Yinghui Xue, Qin Zhang, Tao Zhang, Lei Fu
Black Phosphorus: Properties, Synthesis, and Applications in Energy Conversion and Storage [Focus Review]
ChemNanoMat 2017, vol. 3, p. 352

Haymo Ross
We are Family (Chemistry Smash Hits) [Editorial]
Chem. Eur. J. 2018, vol. 24, p. 6

Xinzhe Shi, Arpan Sasmal, Jean-François Soulé, Henri Doucet
Metal-Catalyzed C−H Bond Activation of 5-Membered Carbocyclic Rings: A Powerful Access to Azulene, Acenaphthylene and Fulvene Derivatives [Focus Review]
Chem. Asian J. 2018, vol. 13, p. 143

Andrea Gualandi, Luca Mengozzi, Pier Giorgio Cozzi
Iron-Promoted Radical Reactions: Current Status and Perspectives [Focus Review]
Asian J. Org. Chem. 2017, vol. 6, p. 1160

Truong-Thanh Tung, Trong T. Dao, Marta G. Junyent, Michael Palmgren, Thomas Günther-Pomorski, Anja T. Fuglsang, Søren B. Christensen, John Nielsen
Cover Feature: LEGO-Inspired Drug Design: Unveiling a Class of Benzo[d]thiazoles Containing a 3,4-Dihydroxyphenyl Moiety as Plasma Membrane H+-ATPase Inhibitors (ChemMedChem 1/2018) [Cover Picture]
ChemMedChem 2018, vol. 13, p. 2

Zhoufeng Bian, Sonali Das, Ming Hui Wai, Plaifa Hongmanorom, Sibudjing Kawi
A Review on Bimetallic Nickel-Based Catalysts for CO2 Reforming of Methane [Review]
ChemPhysChem 2017, vol. 18, p. 3117

Dogukan Hazar Apaydin, Dong Ryeol Whang
Artificial Photosynthesis: Learning from Nature [Review]
ChemPhotoChem 10.1002/cptc.201700163

Jiwhan Kim, Hee-Eun Kim, Hyunjoo Lee
Single-Atom Catalysts of Precious Metals for Electrochemical Reactions [Minireview]
ChemSusChem 2018, vol. 11, p. 104

Ross J. Marshall, Ross S. Forgan
Postsynthetic Modification of Zirconium Metal-Organic Frameworks [Microreview]
Eur. J. Inorg. Chem. 2016, p. 4310

Davin Tan, Tomislav Friščić
Mechanochemistry for Organic Chemists: An Update [Microreview]
Eur. J. Org. Chem. 2018, p. 18

Deutscher Lebensmittelchemikertag 2016 in Freising-Weihenstephan [Vorträge]
Lebensmittelchemie 2017, vol. 71, p. 2

Meilensteine der Chemie 2018 [Bildung & Gesellschaft]
Nachr. Chem. 2018, vol. 66, p. 38

Katrin Sommer, Christina Toschka, Laura Schröder, Thomas Philipp Schröder, Henning Steff, Roland A. Fischer
Modellexperimente im Chemieunterricht. [Artikel]
CHEMKON 2017, vol. 24, p. 13

Catharina Goedecke
Why Does Iodine Turn Starch Blue?
ChemViews Magazine 2016

Most cited articles from each ChemPubSoc Europe, ACES, and GDCh journal


2016

 


Shoujun Zhu, Qingnan Meng, Lei Wang, Junhu Zhang, Yubin Song, Han Jin, Kai Zhang, Hongchen Sun, Haiyu Wang, Bai Yang
Highly Photoluminescent Carbon Dots for Multicolor Patterning, Sensors, and Bioimaging
Angew. Chem. Int. Ed. 2013, vol. 52, pp. 3953–3957

Balayeshwanth R. Vummidi, Jawad Alzeer, Nathan W. Luedtke
Fluorescent Probes for G-Quadruplex Structures [Review]
ChemBioChem 2013, vol. 14, pp. 540–558

Zhi-Yuan Gu, Jihye Park, Aaron Raiff, Zhangwen Wei, Hong-Cai Zhou
Metal–Organic Frameworks as Biomimetic Catalysts [Minireview]
ChemCatChem 2014, vol. 6, pp. 67–75

Anthony J. Arduengo, Roland Krafczyk
Auf der Suche nach Stabilen Carbenen [Organische Chemie]
Chem. Unserer Zeit 1998, vol. 32, pp. 6–14

Marc Steinmetz, Stefan Grimme
Benchmark Study of the Performance of Density Functional Theory for Bond Activations with (Ni,Pd)-Based Transition-Metal Catalysts [Full Paper]
ChemistryOpen 2013, vol. 2, pp. 115–124

Philipp Scharf, Jens Müller
Nucleic Acids With Metal-Mediated Base Pairs and Their Applications [Review]
ChemPlusChem 2013, vol. 78, pp. 20–34

Philipp Kaiser, Rajabhau Bajirao Unde, Christoph Kern, Andreas Jess
Production of Liquid Hydrocarbons with CO2 as Carbon Source based on Reverse Water-Gas Shift and Fischer-Tropsch Synthesis [Research Article]
Chem. Ing. Tech. 2013, vol. 85, pp. 489–499

Xiaosi Zhou, Yu-Guo Guo
Highly Disordered Carbon as a Superior Anode Material for Room-Temperature Sodium-Ion Batteries [Communication]
ChemElectroChem 2014, vol. 1, pp. 83–86

Chuanxi Wang, Zhenzhu Xu, Chi Zhang
Polyethyleneimine-Functionalized Fluorescent Carbon Dots: Water Stability, pH Sensing, and Cellular Imaging [Full Paper]
ChemNanoMat 2015, vol. 1, pp. 122–127

Konggang Qu, Jiasi Wang, Jinsong Ren, Xiaogang Qu
Carbon Dots Prepared by Hydrothermal Treatment of Dopamine as an Effective Fluorescent Sensing Platform for the Label-Free Detection of Iron(III) Ions and Dopamine [Full Paper]
Chem. Eur. J. 2013, vol. 19, pp. 7243–7249

Yinuo Wu, Jun Wang, Fei Mao, Fuk Yee Kwong
Palladium-Catalyzed Cross-Dehydrogenative Functionalization of C(sp2)–H Bonds [Focus Review]
Chem. Asian J. 2014, vol. 9, pp. 26–47

Naohiko Yoshikai, Ye Wei
Synthesis of Pyrroles, Indoles, and Carbazoles through Transition-Metal-Catalyzed C–H Functionalization [Review]
Asian J. Org. Chem. 2013, vol. 2, pp. 466–478

Lluís Ballell, Robert H. Bates, Rob J. Young, Daniel Alvarez-Gomez, Emilio Alvarez-Ruiz, Vanessa Barroso, Delia Blanco, Benigno Crespo, Jaime Escribano, Rubén González, Sonia Lozano, Sophie Huss, Angel Santos-Villarejo, José Julio Martín-Plaza, Alfonso Mendoza, María José Rebollo-Lopez, Modesto Remuiñan-Blanco, José Luis Lavandera, Esther Pérez-Herran, Francisco Javier Gamo-Benito, José Francisco García-Bustos, David Barros, Julia P. Castro, Nicholas Cammack
Fueling Open-Source Drug Discovery: 177 Small-Molecule Leads against Tuberculosis [Full Paper]
ChemMedChem 2013, vol. 8, pp. 313–321

Peter Politzer, Jane S. Murray
Halogen Bonding: An Interim Discussion [Review]
ChemPhysChem 2013, vol. 14, pp. 278–294

Volker Hessel, Dana Kralisch, Norbert Kockmann, Timothy Noël, Qi Wang
Novel Process Windows for Enabling, Accelerating, and Uplifting Flow Chemistry [Review]
ChemSusChem 2013, vol. 6, pp. 746–789

Helena J. Shepherd, Gábor Molnár, William Nicolazzi, Lionel Salmon, Azzedine Bousseksou
Spin Crossover at the Nanometre Scale [Microreview]
Eur. J. Inorg. Chem. 2013, pp. 653–661

Junichiro Yamaguchi, Kei Muto, Kenichiro Itami
Recent Progress in Nickel-Catalyzed Biaryl Coupling [Microreview]
Eur. J. Org. Chem. 2013, pp. 19–30

David Schweinfurth, Naina Deibel, Fritz Weisser, Biprajit Sarkar
Mit Klick zu neuen Liganden [Magazin]
Nachr. Chem. 2011, vol. 59, pp. 937–941
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