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ChemBioChem

Biosynthetic and Functional Color–Scent Associations in Flowers of Papaver nudicaule and Their Impact on Pollinators

Published: 18 June 2018

Author(s): Jaime Martínez‐Harms, Anne‐Christin Warskulat, Bettina Dudek, Grit Kunert, Sybille Lorenz, Bill S. Hansson, Bernd Schneider

Abstract Despite increasing evidence for biosynthetic connections between flower pigments and volatile compounds, examples of such relationships in polymorphic plant species remains limited. Herein, color–scent associations in flowers from Papaver nudicaule (Papaveraceae) have been investigated. The spectral reflectance and scent composition of flowers of four color cultivars was determined. We found that pigments and volatiles occur in...

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ChemPhysChem

IR, Raman, and Vibrational Optical Activity Spectra of Methyl Glycidate in Chloroform and Water: The Clusters‐in‐a‐liquid Solvation Model

Published: 18 June 2018

Author(s): Angelo Shehan Perera, Joseph Cheramy, Christian Merten, Javix Thomas, Yunjie Xu

Abstract Solvent effects, in particular those involving water as the solvent, are of significant interest to the chemistry and physics communities. IR, vibrational circular dichroism (VCD), Raman, and Raman optical activity (ROA) spectra of methyl glycidate in two very different solvents, namely CCl4 and water, have been measured experimentally and simulated theoretically. The observed spectra in CCl4 could be well modelled using the...

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ChemBioChem

Preparation of Cyclic Prodiginines by Mutasynthesis in Pseudomonas putida KT2440

Published: 18 June 2018

Author(s): Andreas Sebastian Klein, Hannah Ursula Clara Brass, David Paul Klebl, Thomas Classen, Anita Loeschcke, Thomas Drepper, Sonja Sievers, Karl‐Erich Jaeger, Jörg Pietruszka

Abstract Prodiginines are a group of naturally occurring pyrrole alkaloids produced by various microorganisms and known for their broad biological activities. The production of nature‐inspired cyclic prodiginines was enabled by combining organic synthesis with a mutasynthesis approach based on the GRAS (generally recognized as safe) certified host strain Pseudomonas putida KT2440. The newly prepared prodiginines exerted antimicrobial effects...

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ChemPhysChem

Separating Extreme pH Gradients Using Amphiphilic Copolymer Membranes

Published: 18 June 2018

Author(s): Lorena Ruiz‐Pérez, Claire Hurley, Salvador Tomas, Giuseppe Battaglia

Abstract Polymeric vesicles, also called polymersomes, are highly efficient biomimetic systems. They can generate compartmentalized volumes at the nanoscale supported by synthetic amphiphilic membranes that closely mimic their biological counterparts. Membrane permeability and the ability to separate extreme pH gradients is a crucial condition a successful biomimetic system must meet. We show that polymersomes formed by non‐ionic...

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ChemPhysChem

A Simple Strategy to Construct Amorphous Metal‐Free Room Temperature Phosphorescent and Multi‐Color Materials

Published: 18 June 2018

Author(s): Peng‐Zhong Chen, Yu‐Zhe Chen, Chen‐Ho Tung, Qing‐Zheng Yang

Abstract It is urgent to develop a universal strategy for producing small organic molecules exhibiting efficient room temperature phosphorescence (RTP). An important contribution made by Ma and Tian et al. provides a general and applicable strategy to obtain amorphous organic molecules with efficient RTP emission by simply modifying phosphors onto β‐cyclodextrin (β‐CD). The nonradiative decay processes and oxygen quenching have been...

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ChemSusChem

A CsPbBr 3 /TiO 2 Composite for Visible‐Light‐Driven Photocatalytic Benzyl Alcohol Oxidation

Published: 17 June 2018

Author(s): Stefan Schünemann, Maurice van Gastel, Harun Tüysüz

Abstract Halide perovskites have attracted great attention in the fields of photovoltaics, LEDs, lasers, and most recently photocatalysis, owing to their unique optoelectronic properties. The all‐inorganic halide perovskite CsPbBr3/TiO2 composite material catalyzes selective benzyl alcohol oxidation to benzaldehyde under visible‐light illumination. The catalyst, which is prepared by a facile wet‐impregnation method, shows very good selectivity...

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European Journal of Organic Chemistry

Petasis/Diels–Alder/Cyclization Cascade Reactions for the Generation of Scaffolds with Multiple Stereogenic Centers and Orthogonal Handles for Library Production

Published: 15 June 2018

Author(s): Thomas Flagstad, Carlos M. G. Azevedo, Geanna Min, Anthony Willaume, Rémy Morgentin, Thomas E. Nielsen, Mads H. Clausen

A new effective strategy for the synthesis of sp3‐rich small molecules for library production is presented. The key steps to generate complexity involve a Petasis three‐component reaction followed by an intramolecular Diels–Alder and cyclization to generate a densely enriched tricyclic or tetracyclic scaffolds with 3–4 stereocenters and three handles for decoration. The strategy was used for the production of 143 molecules for the...

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European Journal of Organic Chemistry

An Enantioselective Iodolactonization/Cross‐Coupling Protocol for the Synthesis of Highly Substituted Enol Lactones

Published: 15 June 2018

Author(s): Christoph Fricke, Michael Wilking, Constantin G. Daniliuc, Ulrich Hennecke

γ‐Alkynoic acids readily undergo iodolactonization to give iodoenol lactones. Using commercially available (DHQD)2PHAL this transformation can be rendered asymmetric. In desymmetrization reactions of dialkynoic acids, good to very good enantioselectivities can be observed. Alternatively, kinetic resolution of already chiral, racemic γ‐alkynoic acids can be carried out. The products of these iodolactonizations, iodoenol lactones, are suitable...

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European Journal of Organic Chemistry

Synthesis and Absolute Configuration of Natural 2‐Pyrones

Published: 15 June 2018

Author(s): Immo Burkhardt, Jeroen S. Dickschat

2‐Pyrones are frequently produced by microorganisms and often exhibit interesting bioactivities. Therefore, a short and easy synthetic access to these natural products is desirable. Synthetic routes to nectriapyrone, gibepyrone A, racemic gulypyrone A, (+)‐germicidin C, (ent)‐desoxygermicidin C and (ent)‐prolipyrone A via a modular approach are presented, allowing the assignment of the absolute configurations of the latter three chiral...

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European Journal of Organic Chemistry

A Straightforward Deracemization of sec ‐Alcohols Combining Organocatalytic Oxidation and Biocatalytic Reduction

Published: 15 June 2018

Author(s): Elisa Liardo, Nicolás Ríos‐Lombardía, Francisco Morís, Javier González‐Sabín, Francisca Rebolledo

An efficient organocatalytic oxidation of racemic secondary alcohols, mediated by sodium hypochlorite (NaOCl) and 2‐azaadamantane N‐oxyl (AZADO), has been conveniently coupled with a highly stereoselective bioreduction of the intermediate ketone, catalyzed by ketoreductases, in aqueous medium. The potential of this one‐pot two‐step deracemization process has been proven by a large set of structurally different secondary alcohols....

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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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