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Chemistry - A European Journal

Breslow Intermediates (Amino Enols) and Their Keto Tautomers: First Gas‐Phase Characterization by IR Ion Spectroscopy

Published: 01 December 2020

Author(s): Mathias Paul, Katrin Peckelsen, Thomas Thomulka, Jonathan Martens, Giel Berden, Jos Oomens, Jörg‐M. Neudörfl, Martin Breugst, Anthony J. H. M. Meijer, Mathias Schäfer, Albrecht Berkessel

Abstract Breslow intermediates (BIs) are the crucial nucleophilic amino enol intermediates formed from electrophilic aldehydes in the course of N‐heterocyclic carbene (NHC)‐catalyzed umpolung reactions. Both in organocatalytic and enzymatic umpolung, the question whether the Breslow intermediate exists as the nucleophilic enol or in the form of its electrophilic keto tautomer is of utmost importance for its reactivity and function. Herein, the preparation of charge‐tagged Breslow...

thumbnail image: Chemistry - A European Journal

Chemistry - A European Journal

Natural Products Originated from the Oxidative Coupling of Tyrosine and Tryptophan: Biosynthesis and Bioinspired Synthesis

Published: 01 December 2020

Author(s): Shanyu Tang, Guillaume Vincent

Abstract The oxidative coupling of tyrosine and tryptophan units is a pivotal step in the total synthesis of some peptide‐derived marine and terrestrial natural products, such as the diazonamides, azonazine and tryptorubin A. This Minireview details the biosynthesis and bioinspired synthesis of natural products with such structures. A special focus is put on the challenges of the synthesis of these natural products and the innovative solutions adopted by synthetic chemists.

thumbnail image: Chemistry - A European Journal

Chemistry - A European Journal

Enzymatic Formation of Indolactam Scaffold by C−N Bond‐Forming Cytochrome P450 Oxidases in Teleocidin Biosynthesis

Published: 01 December 2020

Author(s): Iori Morita, Takahiro Mori, Ikuro Abe

Abstract Teleocidins are potent protein kinase C activators, and possess a unique indole‐fused nine‐membered lactam structure. Teleocidin biosynthesis starts from the formation of a dipeptide by non‐ribosomal peptide synthetase (NRPS), followed by oxidative C−N bond formation by a cytochrome P450 oxidase, reverse‐prenylation by a prenyltransferase, and methylation‐initiated terpene cyclization by a C‐methyltransferase. This minireview focuses on recent research progress toward the elucidation...

thumbnail image: Chemistry - A European Journal

Chemistry - A European Journal

Electrochemical and Solvent‐Mediated Visible‐to‐Near‐Infrared Spectroscopic Switching of Benzoselenadiazole Fluorophores

Published: 01 December 2020

Author(s): Monika Wałęsa‐Chorab, Chengzhang Yao, Georges Tuner, William G. Skene

Abstract A series of electronic push–pull, pull–pull, and push fluorophores has been prepared from a benzoselenadiazole core so that their spectroscopic, electrochemical, spectro‐electrochemical, and spectro‐electrofluorescence properties could be examined. The emission wavelengths and fluorescence quantum yields (Φfl) of the N,N‐dimethyl fluorophores were contingent on the solvent polarity and they ranged from 615 to 850 nm in aprotic solvents. The positive solvatochromism and the quenched...

thumbnail image: Chemistry - A European Journal

Chemistry - A European Journal

Synthesis of Mixed‐Functionalized Tetraacylgermanes

Published: 01 December 2020

Author(s): Sabrina D. Püschmann, Philipp Frühwirt, Michael Pillinger, Andreas Knöchl, Marlene Mikusch, Judith Radebner, Ana Torvisco, Roland C. Fischer, Norbert Moszner, Georg Gescheidt, Michael Haas

Abstract Tetraacylgermanes are known as highly efficient photoinitiators. Herein, the synthesis of mixed tetraacylgermanes 4 a–c and 6 a–e with a nonsymmetric substitution pattern is presented. Germenolates are crucial intermediates of these new synthetic protocols. The synthesized compounds show increased solubility compared with symmetrically substituted tetraacylgermanes 1 a–d. Moreover, these mixed derivatives reveal broadened n–π* absorption bands, which enhance their photoactivity....

thumbnail image: Chemistry - A European Journal


Hybrid Quinazoline 1,3,5‐Triazines as Epidermal Growth Factor Receptor (EGFR) Inhibitors with Anticancer Activity: Design, Synthesis, and Computational Study

Published: 01 December 2020

Author(s): Prateek Pathak, Hrvoje Rimac, Maria Grishina, Amita Verma, Vladimir Potemkin

Abstract We report a series of hybrid quinazoline‐1,3,5‐triazine derivatives as EGFR inhibitors, which were synthesised and tested by using a variety of in vitro, in silico, and in vivo techniques. The derivatives were found to be active against different cancer cell lines and nontoxic against normal ones, with compounds 7 c, 7 d, 7 e, and 7 j being the most potent ones. The derivatives were also evaluated for angiogenesis inhibition potency in chicken eggs, and molecular docking and dynamics...

thumbnail image: ChemMedChem


Targeting the CRD F‐face of Human Galectin‐3 and Allosterically Modulating Glycan Binding by Angiostatic PTX008 and a Structurally Optimized Derivative

Published: 01 December 2020

Author(s): Michelle C. Miller, Yi Zheng, Dennis Suylen, Hans Ippel, F. Javier Cañada, M. Alvaro Berbís, Jesús Jiménez‐Barbero, Guihua Tai, Hans‐Joachim Gabius, Kevin H. Mayo

Abstract Calix[4]arene PTX008 is an angiostatic agent that inhibits tumor growth in mice by binding to galectin‐1, a β‐galactoside‐binding lectin. To assess the affinity profile of PTX008 for galectins, we used 15N,1H HSQC NMR spectroscopy to show that PTX008 also binds to galectin‐3 (Gal‐3), albeit more weakly. We identified the contact site for PTX008 on the F‐face of the Gal‐3 carbohydrate recognition domain. STD NMR revealed that the hydrophobic phenyl ring crown of the calixarene is the...

thumbnail image: ChemMedChem


Speciation of Copper(II)‐Betaine Complexes as Starting Point for Electrochemical Copper Deposition from Ionic Liquids

Published: 01 December 2020

Author(s): Janine Richter, Maximilian Knies, Michael Ruck

Abstract The application of ionic liquids for the dissolution of metal oxides is a promising field for the development of more energy‐ and resource‐efficient metallurgical processes. Using such solutions for the production of valuable chemicals or electrochemical metal deposition requires a detailed understanding of the chemical system and the factors influencing it. In the present work, several compounds are reported that crystallize after the dissolution of copper(II) oxide in the ionic...

thumbnail image: ChemistryOpen


Photoelectron Spectroscopy and Structures of X−⋅⋅⋅CH2O (X=F, Cl, Br, I) Complexes

Published: 01 December 2020

Author(s): Timothy R. Corkish, Christian T. Haakansson, Peter D. Watson, Allan J. McKinley, Duncan A. Wild

Abstract A combined experimental and theoretical approach has been used to investigate X−⋅⋅⋅CH2O (X=F, Cl, Br, I) complexes in the gas phase. Photoelectron spectroscopy, in tandem with time‐of‐flight mass spectrometry, has been used to determine electron binding energies for the Cl−⋅⋅⋅CH2O, Br−⋅⋅⋅CH2O, and I−⋅⋅⋅CH2O species. Additionally, high‐level CCSD(T) calculations found a C2v minimum for these three anion complexes, with predicted electron detachment energies in excellent agreement with...

thumbnail image: ChemPhysChem


Heterogeneously Catalysed Hydroamination

Published: 01 December 2020

Author(s): Manideepa Sengupta, Subhasis Das, Sk. Manirul Islam, Ankur Bordoloi

Abstract The direct addition of amines to alkynes and olefins is an elegant approach for C−N bond formation in contrast to other conventional synthetic organic methods that afford higher substituted amines; comprising essential organo‐nitrogen compounds which are the scaffolds present in important N‐heterocycles. Heterogeneous catalyzed direct amination is presented in this Review, along with the advantages, the structure‐activity relationship of applied solid acids, functionalized...

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

September 2020


A. L. Santhosha, Lukas Medenbach, Johannes R. Buchheim, Philipp Adelhelm
The Indium−Lithium Electrode in Solid-State Lithium-Ion Batteries: Phase Formation, Redox Potentials, and Interface Stability [Article]
Batteries & Supercaps 2019, vol. 2, no. 6, p. 524

Media K. Ismail, Zahra Khan, Marium Rana, Sarah L. Horswell, Louise Male, Huy V. Nguyen, Alessio Perotti, Isolda Romero-Canelón, Edward A. Wilkinson, Nikolas J. Hodges, James H. R. Tucker
Front Cover: Effect of Regiochemistry and Methylation on the Anticancer Activity of a Ferrocene-Containing Organometallic Nucleoside Analogue (ChemBioChem 17/2020) [Cover Picture]
ChemBioChem 2020, vol. 21, no. 17, p. 2381

Magdalena Jabłońska
Progress on Selective Catalytic Ammonia Oxidation (NH3-SCO) over Cu−Containing Zeolite-Based Catalysts [Minireview]
ChemCatChem 2020, vol. 12, no. 18, p. 4490

Maximilian Röhe, Alexander Botz, David Franzen, Fabian Kubannek, Barbara Ellendorff, Denis Öhl, Wolfgang Schuhmann, Thomas Turek, Ulrike Krewer
The Key Role of Water Activity for the Operating Behavior and Dynamics of Oxygen Depolarized Cathodes [Article]
ChemElectroChem 2019, vol. 6, no. 22, p. 5671

William Aguilar, Owen Zacarias, Marian Romaine, Gloria Proni, Ana G. Petrovic, Rinat Abzalimov, Manuel M. Paz, Elise Champeil
Cover Feature: Synthesis of Oligonucleotides containing the cis‐Interstrand Crosslink Produced by Mitomycins in their Reaction with DNA (Chem. Eur. J. 55/2020) [Cover Picture]
Chem. Eur. J. 2020, vol. 26, no. 55, p. 12491

Zheng-Wang Qu, Hui Zhu, Sergey A. Katsyuba, Vera L. Mamedova, Vakhid A. Mamedov, Stefan Grimme
Acid-Catalyzed Rearrangements of 3-Aryloxirane-2-Carboxamides: Novel DFT Mechanistic Insights [Communication]
ChemistryOpen 2020, vol. 9, no. 7, p. 743

Adish Tyagi, Sandeep Nigam, Rohit Singh Chauhan
A Concise Review of Baseline Facts of SARS-CoV-2 for Interdisciplinary Research [Review]
ChemistrySelect 2020, vol. 5, no. 35, p. 10897

Dana Shahabi, Mackenzie E. Chapman, Margherita Brindisi, Arun K. Ghosh, Andrew D. Mesecar
Drug Development and Medicinal Chemistry Efforts toward SARS-Coronavirus and Covid-19 Therapeutics [Review]
ChemMedChem 2020, vol. 15, no. 11, p. 907

Sebastian Gisbertz, Bartholomäus Pieber
Heterogeneous Photocatalysis in Organic Synthesis [Review]
ChemPhotoChem 2020, vol. 4, no. 7, p. 456

Thomas G. Mayerhöfer, Alicja Dabrowska, Andreas Schwaighofer, Bernhard Lendl, Jürgen Popp
Beyond Beer's Law: Why the Index of Refraction Depends (Almost) Linearly on Concentration [Communication]
ChemPhysChem 2020, vol. 21, no. 8, p. 707

Thomas Aro, Pedram Fatehi
Production and Application of Lignosulfonates and Sulfonated Lignin [Review]
ChemSusChem 2017, vol. 10, no. 9, p. 1861

Stephen A. Matlin, Goverdhan Mehta, Henning Hopf, Alain Krief
The Periodic Table of the Chemical Elements and Sustainable Development [Essay]
Eur. J. Inorg. Chem. 2019, p. 4170

Luca Capaldo, Davide Ravelli
Hydrogen Atom Transfer (HAT): A Versatile Strategy for Substrate Activation in Photocatalyzed Organic Synthesis [Microreview]
Eur. J. Org. Chem. 2017, p. 2056

Daewoo Han, Andrew J. Steckl
Coaxial Electrospinning Formation of Complex Polymer Fibers and their Applications [Review]
ChemPlusChem 2019, vol. 84, no. 10, p. 1453

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

Deqing Zhang, Martin Heeney
Organic Donor-Acceptor Systems [Editorial]
Asian J. Org. Chem. 2020, vol. 9, no. 9, p. 1251

Sandip G. Agalave, Suleman R. Maujan, Vandana S. Pore
Click Chemistry: 1,2,3‐Triazoles as Pharmacophores [Focus Review]
Chem. Asian J. 2011, vol. 6, no. 10, p. 2696

Changxiang Shao, Yang Zhao, Liangti Qu
Tunable Graphene Systems for Water Desalination [Minireview]
ChemNanoMat 2020, vol. 6, no. 7, p. 1028

Arthur Kuhlmann, Larissa Bihr, Hans-Achim Wagenknecht
How Far Does Energy Migrate in DNA and Cause Damage? Evidence for Long-Range Photodamage to DNA [Communication]
Angew. Chem. Int. Ed. 2020, vol. 59, no. 40, p. 17378

Abas Mohsenzadeh, Akram Zamani, Mohammad J. Taherzadeh
Bioethylene Production from Ethanol: A Review and Techno-economical Evaluation [Review]
ChemBioEng Rev. 2017, vol. 4, no. 2, p. 75

V. N. Danilevich, L. E. Petrovskaya, E. V. Grishin
A Highly Efficient Procedure for the Extraction of Soluble Proteins from Bacterial Cells with Mild Chaotropic Solutions [Research Article]
Chem. Eng. Technol. 2008, vol. 31, no. 6, p. 904

Maximilian Bernt, Alexandra Hartig-Weiß, Mohammad Fathi Tovini, Hany A. El-Sayed, Carina Schramm, Jonas Schröter, Christian Gebauer, Hubert A. Gasteiger
Current Challenges in Catalyst Development for PEM Water Electrolyzers [Review]
Chem. Ing. Tech. 2020, vol. 92, no. 1-2, p. 31

Henrik Petersen, Klaus Roth
To Tattoo or not to Tattoo [Artikel]
Chem. Unserer Zeit 2016, vol. 50, no. 1, p. 44

Johannes Huwer, Amitabh Banerji
Corona sei Dank?! - Digitalisierung im Chemieunterricht [Editorial]
CHEMKON 2020, vol. 27, no. 3, p. 105

Cover Picture Lebensmittelchemie 4/2020 [Cover Picture]
Lebensmittelchemie 2020, vol. 74, no. 4

Marc-Michael Blum
Ein unbekanntes Nervengift [Industrie + Technik]
Nachr. Chem. 2020, vol. 68, no. 9, p. 45

Most cited articles from Chemistry Europe, ACES, and GDCh journals

Articles on this list are the most frequently cited ones among those published in 2017 or 2018 according to Web of Science. They have contributed the most to the journal's impact factor in 2019.


Yuanjun Chen, Shufang Ji, Yanggang Wang, Juncai Dong, Wenxing Chen, Zhi Li, Rongan Shen, Lirong Zheng, Zhongbin Zhuang, Dingsheng Wang, Yadong Li
Isolated Single Iron Atoms Anchored on N-Doped Porous Carbon as an Efficient Electrocatalyst for the Oxygen Reduction Reaction [Communication]
Angew. Chem. Int. Ed. 2017, vol. 56, pp. 6937–6941

Qian Sun, Kah Chun Lau, Dongsheng Geng, Xiangbo Meng
Atomic and Molecular Layer Deposition for Superior Lithium-Sulfur Batteries: Strategies, Performance, and Mechanisms [Review]
Batteries Supercaps 2018, vol. 1, pp. 41–68

Lik Hang Yuen, Raphael M. Franzini
Achievements, Challenges, and Opportunities in DNA-Encoded Library Research: An Academic Point of View [Minireview]
ChemBioChem 2017, vol. 18, pp. 829–836

Konstantinos C. Christoforidis, Paolo Fornasiero
Photocatalytic Hydrogen Production: A Rift into the Future Energy Supply [Review]
ChemCatChem 2017, vol. 9, pp. 1523–1544

Marwa Elkady, Hassan Shokry, Hesham Hamad
Microwave-Assisted Synthesis of Magnetic Hydroxyapatite for Removal of Heavy Metals from Groundwater [Research Article]
Chem. Eng. Technol. 2018, vol. 41, pp. 553–562

Massimo Baroncini, Lorenzo Casimiro, Christiaan de Vet, Jessica Groppi, Serena Silvi, Alberto Credi
Making and Operating Molecular Machines: A Multidisciplinary Challenge [Minireview]
ChemistryOpen 2018, vol. 7, pp. 169–179

Hanshen Xin, Xike Gao
Application of Azulene in Constructing Organic Optoelectronic Materials: New Tricks for an Old Dog [Minireview]
ChemPlusChem 2017, vol. 82, pp. 945–956

Hojat Veisi, Mozhgan Pirhayati, Ali Kakanejadifard, Pourya Mohammadi, Mohammad Reza Abdi, Javad Gholami, Saba Hemmati
In Situ Green Synthesis of Pd Nanoparticles on Tannic Acid-Modified Magnetite Nanoparticles as a Green Reductant and Stabilizer Agent: Its Application as a Recyclable Nanocatalyst (Fe3O4@TA/Pd) for Reduction of 4-Nitrophenol and Suzuki Reactions [Full Paper]
ChemistrySelect 2018, vol. 3, pp. 1820–1826

Jaqueline Daniel-Gromke, Nadja Rensberg, Velina Denysenko, Walter Stinner, Tina Schmalfuß, Mattes Scheftelowitz, Michael Nelles, Jan Liebetrau
Current Developments in Production and Utilization of Biogas and Biomethane in Germany [Review]
Chem. Ing. Tech. 2018, vol. 90, pp. 17–35

Sayantani Sikdar, Madhusree Kundu
A Review on Detection and Abatement of Heavy Metals [Review]
ChemBioEng Rev. 2018, vol. 5, pp. 18–29

Tingting Liu, Lisi Xie, Jianhui Yang, Rongmei Kong, Gu Du, Abdullah M. Asiri, Xuping Sun, Liang Chen
Self-Standing CoP Nanosheets Array: A Three-Dimensional Bifunctional Catalyst Electrode for Overall Water Splitting in both Neutral and Alkaline Media [Communication]
ChemElectroChem 2017, vol. 4, pp. 1840–1845

Ruibin Wang, Liheng Chen, J.Y. Zhu, Rendang Yang
Tailored and Integrated Production of Carboxylated Cellulose Nanocrystals (CNC) with Nanofibrils (CNF) through Maleic Acid Hydrolysis [Full Paper]
ChemNanoMat 2017, vol. 3, pp. 328–335

Chengwei Liu, Michal Szostak
Twisted Amides: From Obscurity to Broadly Useful Transition-Metal-Catalyzed Reactions by N−C Amide Bond Activation [Minireview]
Chem. Eur. J. 2017, vol. 23, pp. 7157–7173

Jian Shu, Dianping Tang
Current Advances in Quantum-Dots-Based Photoelectrochemical Immunoassays [Focus Review]
Chem. Asian J. 2017, vol. 12, pp. 2780–2789

Jian Rong, Chuanfa Ni, Jinbo Hu
Metal-Catalyzed Direct Difluoromethylation Reactions [Focus Review]
Asian J. Org. Chem. 2017, vol. 6, pp. 139–152

Juan Alberto Sirvent, Ulrich Lücking
Novel Pieces for the Emerging Picture of Sulfoximines in Drug Discovery: Synthesis and Evaluation of Sulfoximine Analogues of Marketed Drugs and Advanced Clinical Candidates [Full Paper]
ChemMedChem 2017, vol. 12, pp. 487–501

Grzegorz Greczynski, Lars Hultman
C 1s Peak of Adventitious Carbon Aligns to the Vacuum Level: Dire Consequences for Material's Bonding Assignment by Photoelectron Spectroscopy [Communication]
ChemPhysChem 2017, vol. 18, pp. 1507–1512

Jia-Rong Chen, Dong-Mei Yan, Qiang Wei, Wen-Jing Xiao
Photocascade Catalysis: A New Strategy for Cascade Reactions [Concept]
ChemPhotoChem 2017, vol. 1, pp. 148–158

Zhiming Pan, Yun Zheng, Fangsong Guo, Pingping Niu, Xinchen Wang
Decorating CoP and Pt Nanoparticles on Graphitic Carbon Nitride Nanosheets to Promote Overall Water Splitting by Conjugated Polymers [Communication]
ChemSusChem 2017, vol. 10, pp. 87–90

Enzo Alessio
Thirty Years of the Drug Candidate NAMI-A and the Myths in the Field of Ruthenium Anticancer Compounds: A Personal Perspective [Microreview]
Eur. J. Inorg. Chem. 2017, pp. 1549–1560

Marcel Garbe, Kathrin Junge, Matthias Beller
Homogeneous Catalysis by Manganese-Based Pincer Complexes [Microreview]
Eur. J. Org. Chem. 2017, pp. 4344–4362

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Magazine of Chemistry Europe (16 European Chemical Societies) published by Wiley-VCH