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European Journal of Organic Chemistry

A Phenyl‐Ethynyl‐Macrocycle: A Model Compound for “Geländer” Oligomers Comprising Reactive Conjugated Banisters

Published: 21 June 2018

Author(s): Linda Maria Bannwart, Lukas Jundt, Thomas Müntener, Markus Neuburger, Daniel Häussinger, Marcel Mayor

Macrocycle 1 is assembled as smallest member of a series of “Geländer” oligomers with a conjugated banister comprising exclusively sp2‐ and sp‐hybridized carbon atoms. The synthesis of 1 is based on an acetylene scaffolding approach, comprising Sonogashira cross‐coupling reactions in combination with protection group strategies and a final cyclization based on an oxidative acetylene coupling using Eglinton‐Breslow reaction conditions. Macrocycle 1...

thumbnail image: European Journal of Organic Chemistry

European Journal of Organic Chemistry

Unprecedented Stereocontrol in the Synthesis of 1,2,3‐Trisubstituted Tetrahydro‐β‐carbolines through an Asymmetric Pictet–Spengler Reaction towards Sarpagine‐Type Indole Alkaloids

Published: 21 June 2018

Author(s): M. Toufiqur Rahman, James M. Cook

The asymmetric Pictet–Spengler (P‐S) reaction of chiral Nb‐ethynyl‐substituted tryptophan methyl ester derivatives (from both d‐ and l‐tryptophan) with a simple aliphatic aldehyde, exhibited unprecedented selectivity towards either of the diastereomeric products. A simple variation of conditions could alter the outcome of the cyclization from either 100 % trans‐selective to 100 % cis‐selective originating entirely from internal asymmetric induction under mild...

thumbnail image: European Journal of Organic Chemistry

European Journal of Organic Chemistry

Why Cyclopropanation is not Involved in Photoinduced α‐Alkylation of Ketones with Diazo Compounds

Published: 21 June 2018

Author(s): Katarzyna Rybicka‐Jasińska, Katarzyna Orłowska, Maksymilian Karczewski, Katarzyna Zawada, Dorota Gryko

Diazo compounds are widely used reagents in organic synthesis. Direct photolysis leads to singlet carbenes whereas, in the presence of a photosensitizer, carbenes in the triplet state are generated. However, their reactivity under light irradiation remains poorly understood. Herein, we report photocatalytic, direct alkylation of enamines, generated from ketones, with diazo esters in the presence of free‐base porphyrins acting as...

thumbnail image: European Journal of Organic Chemistry

European Journal of Organic Chemistry

Air‐Stable CpCo I –Phosphite–Fumarate Precatalyst in Cyclization Reactions: Comparing Different Methods of Energy Supply

Published: 21 June 2018

Author(s): Fabian Fischer, Marko Hapke

The robust CoI precatalyst [CpCo(P{OEt}3)(trans‐MeO2CHC=CHCO2Me)] was investigated in cyclotrimerizations, furnishing benzenes and pyridines from triynes, diynes and nitriles, comparing the influence of different ways of energy supply; namely, irradiation and conventional (thermal) or microwave heating. The precatalyst was found to work under all conditions, including the possibility to catalyze cyclotrimerizations at room temperature ...

thumbnail image: European Journal of Organic Chemistry

European Journal of Organic Chemistry

Tuning the Structure of Phosphahelicenes for Targeted Applications in Enantioselective Phosphine Organocatalysis

Published: 21 June 2018

Author(s): Paul Aillard, Maxime Gicquel, Keihann Yavari, Pascal Retailleau, Arnaud Voituriez, Angela Marinetti

The use of phosphahelicenes as nucleophilic organocatalysts for [3+2] cyclization reactions between allenoates and 2‐benzylidenemalononitriles has been extended by the systematic screening of phosphines with different helical scaffolds and substitution patterns. Among others, a new series of phosphahelicenes have been prepared by bromination/Suzuki coupling reactions of a pre‐formed phosphahelicene. This late bromination approach...

thumbnail image: European Journal of Organic Chemistry

European Journal of Organic Chemistry

Chemistry of the Highly Strained Alkene Perfluorobicyclo[2.2.0]hex‐1(4)‐ene

Published: 21 June 2018

Author(s): Christopher P. Junk, Yigang He, Yin Zhang, Joshua R. Smith, David A. Dixon, Monica Vasiliu, David M. Lemal

Several varieties of cycloaddition as well as nucleophilic and free radical addition to the highly reactive central bond of the title fluorocarbon (1) are described. [2 + 2] Cycloaddition to 1 has made available four of the five known representatives of the [2.2.2]propellane ring system, which are rare because of their extreme strain (in the absence of fluorine substitution) and high reactivity. Two of these, a propellanone and a propellene, ...

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European Journal of Inorganic Chemistry

Bimetallic Complexes of Group 8 9 and 11 Metals Bridged by RBNCH 2 PPh 2 2 C 6 H 4 R H 4C 6 H 4 X X H Me F Ligands

Published: 21 June 2018

Author(s): Simon Sung, Angelina Ang, Anthony F. Hill, Chenxi Ma, Richard Y. Kong, Jas S. Ward, Rowan D. Young

The 1‐aryl‐2,1,3‐diazaboroles ArB(NCH2PPh2)2C6H4 (Ar = C6H5 1a, 4‐MeC6H4 1b, 4‐FC6H4 1c) result from the reactions of ArBCl2 with 1,2‐(NHCH2PPh2)2C6H4 in the presence of triethylamine. The reactions of these new proligands in addition to the parent diazaborole HB(NCH2PPh2)2C6H4 (4) with a range of metal precursors [Ru2(µ‐Cl)2Cl2(η6‐1,3,5‐Me3C6H3)2], [M2(µ‐Cl)2Cl2(η5‐C5Me5)2], [M2(µ‐Cl)2(η4‐C8H12)2] (M = Rh, Ir) and [AuCl(SC4H8)] have been explored. Rather than forming...

thumbnail image: European Journal of Inorganic Chemistry

European Journal of Inorganic Chemistry

Engineering Zn 0.33 Co 0.67 S Hollow Microspheres with Enhanced Electrochemical Performance for Lithium and Sodium Ion Batteries

Published: 21 June 2018

Author(s): Jingfa Li, Ben Liu, Min Li, Qihao Zhou, Qiang Chen, Cong Guo, Lei Zhang

Hollow structures of transition metal sulfides, could be promising for energy devices such as hybrid supercapacitors, lithium ion batteries (LIBs) and sodium ion batteries (SIBs). Specially, mixed transition metal sulfides, benefiting from synergetic effects of the multiple metal species, have shown significant advance in the electrochemical performances of LIBs. Whereas, there is no report on exploring them as the electrode materials for...

thumbnail image: European Journal of Inorganic Chemistry

European Journal of Inorganic Chemistry

Fabrication of a Flowerlike Ag Microsphere Film with Applications in Catalysis and as a SERS Substrate

Published: 21 June 2018

Author(s): Qijun Dai, Lu Li, Chungang Wang, Changli Lv, Zhongmin Su, Fang Chai

Three‐dimensional flowerlike Ag microstructures were assembled in situ on a substrate to fabricate Ag microflower (Ag MF) films. The morphology and size of the Ag MFs can be easily controlled by varying the reaction time. The mechanism of growth of Ag MFs was investigated by SEM. The shape evolution revealed that the Ag MFs are assembled from thin nanosheets composed of Ag nanoparticles (NPs), and the elemental composition of the NPs was...

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Chemistry - A European Journal

Effect of Single‐walled Carbon Nanotube (SWCNT) Composition on Polyfluorene‐Based SWCNT Dispersion Selectivity

Published: 21 June 2018

Author(s): Shuai Liang, Han Li, Benjamin S. Flavel, Alex Adronov

Abstract Applications of single‐walled carbon nanotubes (SWCNTs) are hampered by the mixtures of metallic and semiconducting SWCNTs that are present in commercial samples. Separation of SWCNTs according to electronic type is therefore extremely important. Recently, the selective interaction between the conjugated polymer, poly(9,9‐di‐n‐dodecyl‐fluorenyl‐2,7‐diyl) and semiconducting SWCNTs has been reported. However, the mechanism...

thumbnail image: Chemistry - A European Journal

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

March 2018

 


Zhang Luo, Bing Liu
Shape-Tunable Colloids from Structured Liquid Droplet Templates [Cover Picture]
Angew. Chem. Int. Ed. 10.1002/anie.201802726

Coline Jumeaux, Olov Wahlsten, Stephan Block, Eunjung Kim, Rona Chandrawati, Philip D. Howes, Fredrik Höök, Molly M. Stevens
MicroRNA Detection by DNA-Mediated Liposome Fusion [Communication]
ChemBioChem 2018, vol. 19, p. 434

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 Schäfer, Bernhard Hauck, Jochen Kuhn, Roland Ulber
Analytik mit Licht - Das Smartphone-Photometer [Artikel]
Chem. Unserer Zeit 2018, vol. 52, p. 52

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

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

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

Hubert Rauscher, Kirsten Rasmussen, Birgit Sokull-Klüttgen
Regulatory Aspects of Nanomaterials in the EU [Research Article]
Chem. Ing. Tech. 2017, vol. 89, p. 224

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

Robert A. W. Dryfe, Briony Setterfield-Price, Joanne Tory, František Hartl
[M(CO)4(2,2'-bipyridine)] (M=Cr, Mo, W) Complexes as Efficient Catalysts for Electrochemical Reduction of CO2 at a Gold Electrode [Communication]
ChemElectroChem 2015, vol. 2, p. 213

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

Maximilian Koy, Frederik Sandfort, Adrian Tlahuext-Aca, Linda Quach, Constantin G. Daniliuc, Frank Glorius
Palladium-Catalyzed Decarboxylative Heck-Type Coupling of Activated Aliphatic Carboxylic Acids Enabled by Visible Light [Communication]
Chem. Eur. J. 2018, vol. 24, p. 4552

Jian Lv, Qi Zhang, Mao Cai, Yanfang Han, Sanzhong Luo
Aromatic Aminocatalysis [Focus Review]
Chem. Asian J. 2018, vol. 13, p. 740

Hidetoshi Noda, Naoya Kumagai, Masakatsu Shibasaki
Abstract [Focus Review]
Asian J. Org. Chem. 10.1002/ajoc.201800013

Albert J. Kooistra, Márton Vass, Ross McGuire, Rob Leurs, Iwan J. P. de Esch, Gert Vriend, Stefan Verhoeven, Chris de Graaf
3D-e-Chem: Structural Cheminformatics Workflows for Computer-Aided Drug Discovery [Full Paper]
ChemMedChem 2018, vol. 13, p. 614

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

Turkan Gamze Ulusoy Ghobadi, Amir Ghobadi, Ekmel Ozbay, Ferdi Karadas
Strategies for Plasmonic Hot-Electron-Driven Photoelectrochemical Water Splitting [Review]
ChemPhotoChem 2018, vol. 2, p. 161

An-Na Cho, Nam-Gyu Park
Impact of Interfacial Layers in Perovskite Solar Cells [Review]
ChemSusChem 2017, vol. 10, p. 3687

Jeffrey A. Rood, Sondra E. Hinman, Bruce C. Noll, Kenneth W. Henderson
The Use of Halide-Substituted Anilines for the Formation of Magnesium Imides [Full Paper]
Eur. J. Inorg. Chem. 2008, p. 3935

D. B. Ramachary [Author Profile]
Eur. J. Org. Chem. 10.1002/ejoc.201800182

46. Deutscher Lebensmittelchemikertag 2017 in Würzburg [Tagung]
Lebensmittelchemie 2018, vol. 72, p. 1

Peter Chen
Chemistry 4.0 [Leitartikel]
Nachr. Chem. 2018, vol. 66, p. 203

Ira Caspari, Gisela Weber-Peukert, Nicole Graulich
Der Einsatz von Modellen zum Erkenntnisgewinn / Eine Unterrichtseinheit zur Förderung der Modellkompetenz im Kontext „Batterie“ unter explizitem Einbezug von Schülervorstellungen [Aus der Schule]
CHEMKON 2018, vol. 25, p. 23

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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