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Chemistry - A European Journal

Carbon Monoxide Coupling Reactions: A New Concept for the Formation of Hexahydroxybenzene

Published: 18 September 2020

Author(s): Uwe Rosenthal

Abstract For linear and cyclic coupling reactions of CO, among other products, the formation of the hexapotassium salt of hexahydroxybenzene is of particular interesting. The interaction of metallic potassium and CO offers, via the assumed K[OC≡CO]K as the result of several carbon monoxide coupling reactions, the formation of C6(OK)6 among other products. To date, only speculations exist about the reaction pathway for these products, which were first described by Liebig in 1834. A novel...

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Chemistry - A European Journal

Controlling Regioselectivity in Palladium‐Catalyzed C−H Activation/Aryl–Aryl Coupling of 4‐Phenylamino[2.2]paracyclophane

Published: 18 September 2020

Author(s): Christoph Zippel, Eduard Spuling, Zahid Hassan, Mika Polamo, Martin Nieger, Stefan Bräse

Abstract Selective activation/functionalization of C−H bonds has emerged as an atom‐ and step‐economical process at the forefront of modern synthetic chemistry. This work reports palladium‐catalyzed exclusively para‐selective C−H activation/aryl–aryl bond formation with a preference over N‐arylation under the Buchwald–Hartwig amination reaction of 4‐phenylamino[2.2]paracyclophane. This innovative synthetic strategy allows a facile preparation of [2.2]paracyclophane derivatives featuring...

thumbnail image: Chemistry - A European Journal

Chemistry - A European Journal

Controlling Regioselectivity in Palladium‐Catalyzed C−H Activation/Aryl–Aryl Coupling of 4‐Phenylamino[2.2]paracyclophane

Published: 18 September 2020

Author(s): Christoph Zippel, Eduard Spuling, Zahid Hassan, Mika Polamo, Martin Nieger, Stefan Bräse

thumbnail image: Chemistry - A European Journal

Chemistry - A European Journal

Semihydrogenation of Alkynes Catalyzed by a Pyridone Borane Complex: Frustrated Lewis Pair Reactivity and Boron–Ligand Cooperation in Concert

Published: 18 September 2020

Author(s): Felix Wech, Max Hasenbeck, Urs Gellrich

Abstract The metal‐free cis selective hydrogenation of alkynes catalyzed by a boroxypyridine is reported. A variety of internal alkynes are hydrogenated at 80 °C under 5 bar H2 with good yields and stereoselectivity. Furthermore, the catalyst described herein enables the first metal‐free semihydrogenation of terminal alkynes. Mechanistic investigations, substantiated by DFT computations, reveal that the mode of action by which the boroxypyridine activates H2 is reminiscent of the reactivity of...

thumbnail image: Chemistry - A European Journal

Chemistry - A European Journal

Synthesis and Characterization of the Tetrakis(pentafluoroethyl)aluminate

Published: 18 September 2020

Author(s): Natalia Tiessen, Beate Neumann, Hans‐Georg Stammler, Berthold Hoge

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ChemBioChem

Bifunctional Reagents for Formylglycine Conjugation: Pitfalls and Breakthroughs

Published: 18 September 2020

Author(s): Nils Janson, Tobias Krüger, Lennard Karsten, Mareile Boschanski, Thomas Dierks, Kristian M. Müller, Norbert Sewald

Abstract Formylglycine‐generating enzymes specifically oxidize cysteine within the consensus sequence CxPxR to Cα‐formylglycine (FGly). This noncanonical electrophilic amino acid can subsequently be addressed selectively by bioorthogonal hydrazino‐iso‐Pictet‐Spengler (HIPS) or Knoevenagel ligation to attach payloads like fluorophores or drugs to proteins to obtain a defined payload‐to‐protein ratio. However, the disadvantages of these conjugation techniques include the need for a large excess...

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ChemBioChem

Selenoimidazolium Salts as Supramolecular Reagents for Protein Alkylation

Published: 18 September 2020

Author(s): David Lim, Xiaojin Wen, Florian P. Seebeck

Abstract Se‐benzyl selenoimidazolium salts are characterized by remarkable alkyl‐transfer potential under physiological conditions. Structure‐activity relationship studies show that selective monoalkylation of primary amines depends on supramolecular interactions between the selenoimidazole leaving group and the target nucleophile. We demonstrate that these reagents can be used for site‐selective and nearly quantitative modification of the model protein lysozyme on Lys13, bypassing the higher...

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ChemBioChem

Enantioselective Cascade Biocatalysis for Deracemization of Racemic β‐Amino Alcohols to Enantiopure (S)‐β‐Amino Alcohols by Employing Cyclohexylamine Oxidase and ω‐Transaminase

Published: 18 September 2020

Author(s): Jian‐Dong Zhang, Ya‐Wen Chang, Rui Dong, Xiao‐Xiao Yang, Li‐Li Gao, Jing Li, Shuang‐Ping Huang, Xing‐Mei Guo, Chao‐Feng Zhang, Hong‐Hong Chang

Abstract Optically active β‐amino alcohols are very useful chiral intermediates frequently used in the preparation of pharmaceutically active substances. Here, a novel cyclohexylamine oxidase (ArCHAO) was identified from the genome sequence of Arthrobacter sp. TYUT010‐15 with the R‐stereoselective deamination activity of β‐amino alcohol. ArCHAO was cloned and successfully expressed in E. coli BL21, purified and characterized. Substrate‐specific analysis revealed that ArCHAO has high activity...

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ChemCatChem

Active Learning A Neural Network Model for Gold Clusters & Bulk From Sparse First Principles Training Data

Published: 18 September 2020

Author(s): Troy D. Loeffler, Sukriti Manna, Tarak K. Patra, Henry Chan, Badri Narayanan, Subramanian Sankaranarayanan

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ChemCatChem

Influence of Aryl Substituents on the Alignment of Ligands in the Dirhodium Tetrakis(1,2,2‐Triarylcyclopropane‐ carboxylate) Catalysts

Published: 18 September 2020

Author(s): Zhi Ren, Djamaladdin G. Musaev, Huw M. L. Davies

Abstract Computational studies revealed that dirhodium tetrakis(1,2,2‐triarylcyclopropanecarboxylate) (Rh2(TPCP)4) catalysts adopt distinctive high symmetry orientations, which are dependent on the nature of the aryl substitution pattern. The parent catalyst, Rh2(TPCP)4, and those with a p‐substituent at the C1 aryl, such as Rh2(p‐BrTPCP)4 and Rh2(p‐PhTPCP)4, adopt a C2‐symmetric structure. Rh2(3,5‐di(p‐tBuC6H4)TPCP)4, 3,5‐disubstituted at the C1 aryl, adopts a D2‐symmetric structure, whereas...

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

June 2020

 


Meng Cheng, Ramasubramonian Deivanayagam, Reza Shahbazian-Yassar
3D Printing of Electrochemical Energy Storage Devices: A Review of Printing Techniques and Electrode/Electrolyte Architectures [Review]
Batteries & Supercaps 2020, vol. 3, no. 2, p. 130

Friso S. Aalbers, Marco W. Fraaije
Enzyme Fusions in Biocatalysis: Coupling Reactions by Pairing Enzymes [Minireview]
ChemBioChem 2019, vol. 20, no. 1, p. 20

Ulrich S. Schubert, Andreas Winter
Metal-Terpyridine Complexes in Catalytic Application - A Spotlight on the Last Decade [Review]
ChemCatChem 2020, vol. 12, no. 11, p. 2890

Gerhard Hilt
Basic Strategies and Types of Applications in Organic Electrochemistry [Concept]
ChemElectroChem 2020, vol. 7, no. 2, p. 395

Andreas Schaate, Pascal Roy, Adelheid Godt, Jann Lippke, Florian Waltz, Michael Wiebcke, Peter Behrens
Modulated Synthesis of Zr‐Based Metal–Organic Frameworks: From Nano to Single Crystals [Full Paper]
Chem. Eur. J. 2011, vol. 17, no. 24, p. 6643

Marya A. Gromova, Yurii V. Kharitonov, Irina Yu. Bagryanskaya, Elvira E. Shults
Efficient Synthesis of the N-(buta-2,3-dienyl)carboxamide of Isopimaric Acid and the Potential of This Compound towards Heterocyclic Derivatives of Diterpenoids [Full Paper]
ChemistryOpen 2018, vol. 7, no. 11, p. 890

Tran Thi Ai My, Huynh Thi Phuong Loan, Nguyen Thi Thanh Hai, Le Trung Hieu, Tran Thai Hoa, Bui Thi Phuong Thuy, Duong Tuan Quang, Nguyen Thanh Triet, Tran Thi Van Anh, Nguyen Thi Xuan Dieu, Nguyen Tien Trung, Nguyen Van Hue, Pham Van Tat, Vo Thanh Tung, Nguyen Thi Ai Nhung
Evaluation of the Inhibitory Activities of COVID-19 of Melaleuca cajuputi Oil Using Docking Simulation [Full Paper]
ChemistrySelect 2020, vol. 5, no. 21, p. 6312

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

Hiroki Tanaka, Yoshihisa Inoue, Tadashi Mori
Circularly Polarized Luminescence and Circular Dichroisms in Small Organic Molecules: Correlation between Excitation and Emission Dissymmetry Factors [Review]
ChemPhotoChem 2018, vol. 2, no. 5, p. 386

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

Maria-Gabriela Alexandru, Diana Visinescu, Beatrice Braun-Cula, Francesc Lloret, Miguel Julve
Synthesis, Crystal Structure and Magnetic Properties of Three {CrIIIMnII} Heterodimetallic Complexes Based on Heteroleptic Cyanido-Bearing CrIII Building Blocks [Full Paper]
Eur. J. Inorg. Chem. 2018, p. 349

Anna Eisenhofer, Johnny Hioe, Ruth M. Gschwind, Burkhard König
Photocatalytic Phenol-Arene C-C and C-O Cross-Dehydrogenative Coupling [Full Paper]
Eur. J. Org. Chem. 2017, p. 2194

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

Shoji Kobayashi, Keisuke Shibukawa, Yuta Miyaguchi, Araki Masuyama
Grignard Reactions in Cyclopentyl Methyl Ether [Full Paper]
Asian J. Org. Chem. 2016, vol. 5, no. 5, p. 636

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

Elena V. Ushakova, Sergei A. Cherevkov, Anastasiia V. Sokolova, Yanxiu Li, Ruslan R. Azizov, Mikhail A. Baranov, Dmitry A. Kurdyukov, Ekaterina Yu Stovpiaga, Valery G. Golubev, Andrey L. Rogach, Alexander V. Baranov
Stable Luminescent Composite Microspheres Based on Porous Silica with Embedded CsPbBr3 Perovskite Nanocrystals [Full Paper]
ChemNanoMat 2020, vol. 6, no. 7, p. 1080

Hartmuth C. Kolb, M. G. Finn, K. Barry Sharpless
Click Chemistry: Diverse Chemical Function from a Few Good Reactions [Review]
Angew. Chem. Int. Ed. 2001, vol. 40, no. 11, p. 2004

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

Uwe Hampel, Markus Schubert, Alexander Döß, Johanna Sohr, Vineet Vishwakarma, Jens-Uwe Repke, Sören J. Gerke, Hannes Leuner, Matthias Rädle, Viktoria Kapoustina, Lucas Schmitt, Marcus Grünewald, Jost H. Brinkmann, Dominik Plate, Eugeny Y. Kenig, Nicole Lutters, Lukas Bolenz, Felix Buckmann, Dominique Toye, Wolfgang Arlt, Thomas Linder, Rainer Hoffmann, Harald Klein, Sebastian Rehfeldt, Thomas Winkler, Hans-Jörg Bart, Dominic Wirz, Jonas Schulz, Stephan Scholl, Wolfgang Augustin, Katharina Jasch, Florian Schlüter, Natalie Schwerdtfeger, Stefan Jahnke, Andreas Jupke, Christoph Kabatnik, Andreas Siegfried Braeuer, Mirko D'Auria, Thomas Runowski, Maria Francisco Casal, Karsten Becker, Anna-Lena David, Andrzej Górak, Mirko Skiborowski, Kai Groß, Hina Qammar
Recent Advances in Experimental Techniques for Flow and Mass Transfer Analyses in Thermal Separation Systems [Review]
Chem. Ing. Tech. 2020, vol. 92, no. 7, p. 926

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

Masthead: Lebensmittelchemie 3/2020 [Masthead]
Lebensmittelchemie 2020, vol. 74, no. 3

Hannsjörg Freund, Robert Güttel, Raimund Horn, Ulrike Krewer, Jörg Sauer
Technische Chemie [Wissenschaft + Forschung]
Nachr. Chem. 2020, vol. 68, no. 6, p. 46

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