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Journal of Heterocyclic Chemistry

An Efficient One‐Pot Synthesis of Highly Substituted Pyridone Derivatives and Their Antimicrobial and Antifungal Activity

Published: 17 February 2018

Author(s): Archana B. Pandit, Mahesh M. Savant, Kartik D. Ladva

A series of carboxamide and cyano functionalized pyridone derivatives 4a–q have been synthesized via one‐pot synthesis of various aldehydes 1a–q, acetoacetanilide 2, and cyanoacetamide 3. The reaction was simple and afforded pyridone derivatives in good yield, 89 to 93%. The novel pyridone derivatives were achieved by Hantzch one‐pot synthesis. Moreover, the synthesized compounds were screened against Gram‐positive and Gram‐negative bacteria and...

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Journal of Heterocyclic Chemistry

Synthesis of New N ‐alkyl‐5‐formyl‐2‐methylpyrrole Derivatives from Glucosamine

Published: 17 February 2018

Author(s): Tao Tao, Hua Xin Zhao, Xiao Ming Ji, Miao Lai, Ming Qin Zhao

Glucosamine hydrochloride 1 was treated with 1,3‐dicarbonyl compounds to obtain 2‐methyl‐5‐(1,2,3,4‐tetrahydroxy‐butyl) pyrrole 2a and 2b, respectively. Under the role of NaIO4, 2a and 2b were successfully transformed into the related 5‐formal pyrrole derivative 3a and 3b, respectively. Compounds 4a–4d and 5a–5e were obtained by reacting 3a and 3b with chlorinated hydrocarbons by alkylation reactions, respectively. The structures of all new products were confirmed by ...

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Journal of Heterocyclic Chemistry

Synthesis, Characterization and Properties of Ureido‐Furazan Derivatives

Published: 17 February 2018

Author(s): Tobias S. Hermann, Thomas M. Klapötke, Burkhard Krumm, Jörg Stierstorfer

The reaction of a variety of amino‐furazans with chlorosulfonyl isocyanate was carried out to synthesize ureido‐furazans. The nitration to nitro‐ureido‐furazan was successful in the case of 3‐nitro‐4‐nitroureido‐furazan and 3,4‐dinitroureido‐furazan. Furthermore, furazan derivatives linked to a second amino‐oxadiazole were synthesized. All compounds were intensively characterized by X‐ray diffraction measurements, NMR spectroscopy,...

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Journal of Heterocyclic Chemistry

Utility of Bis‐ Hydrazonoyl Chlorides as Precursors for Synthesis of New Functionalized Bis ‐Thiadiazoles as Potent Antimicrobial Agents

Published: 17 February 2018

Author(s): Sobhi M. Gomha, Marwa S. El_Gendy, Zeinab A. Muhammad, Abdou O. Abdelhamid, Marwa M. Abdel‐Aziz

N′,N″‐([1,1’‐Biphenyl]‐4,4′‐diyl)bis(2‐oxopropanehydrazonoyl chloride) is considered to be the key intermediate for the synthesis of a variety bis‐1,3,4‐thiadiazole derivatives in one step methodology with good yields by reaction of with a series of hydrazinecarbodithioate derivatives 2a–e, 6a,b, and 8a–e. The assigned structures for all the newly synthesized compounds were confirmed on the basis of elemental analyses and spectral data (infrared,...

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Journal of Food Science

Cranberry seed fibre: a promising prebiotic fibre and its fermentation by the probiotic Bacillus coagulans MTCC 5856

Published: 17 February 2018

Author(s): Muhammed Majeed, Kalyanam Nagabhushanam, Sivakumar Arumugam, Sankaran Natarajan, Shaheen Majeed, Anurag Pande, Kirankumar Beede, Furqan Ali

Summary Cranberry, a versatile fruit, is known for nutritional as well as medicinal properties due to the presence of bioactive compounds. However, cranberry fruit has not been fully explored for its prebiotic potential. Therefore, this study was conducted to evaluate prebiotic potential of cranberry seed fibre (CSF) and also evaluate its fermentability by the probiotic strain Bacillus coagulans MTCC 5856. The resistance to gastric acid...

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Journal of Food Science

White tea intake interferes with the expression of angiogenic factors in the corpora lutea of superovulated rats

Published: 17 February 2018

Author(s): Francislaine Anelize Garcia Santos, Samuel Aparecido Freire, Deyvid Parreira Vieira, Paula de Carvalho Papa, Gabriela Fernandes Barros, Caliê Castilho, Luciana Machado Guaberto, Lilian Francisco Arantes de Souza, Cecília Braga Laposy, Rosa Maria Barilli Nogueira, Aline de Oliveira Santos, Ines Cristina Giometti

Summary White tea derived from the Camellia sinensis (L.) plant has anticancer effects. Its main catechin decreases the gene expression of Vegf in tumours. However, VEGF is also the angiogenic factor of the reproductive organs. In this study, Wistar rats were divided into the following groups (n = 30): the control group (CT), which received water, and the white tea intake group (WT), for 3 months. At the end of every month, the...

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Journal of Heterocyclic Chemistry

Synthesis of Benzazolyl Pyrimidines Under Ultrasonication and Their Antimicrobial Activity

Published: 16 February 2018

Author(s): Narendra Babu Kayathi, Donthamsetty V. Sowmya, Padmaja Adivireddy, Padmavathi Venkatapuram

(1) The benzoxazolyl/benzothiazolyl/benzimidazolyl pyrimidines were prepared under ultrasonication in the presence of pyridine/dimethylaminopyridine and triethylamine. (2) Better yields were recorded in 4‐(N,N‐dimethylamino)pyridine and Et3N. (3) The presence of electron withdrawing chloro, bromo, and nitro substituents enhanced antimicrobial activity (13c, 13e, 14e: minimum inhibitory concentration = 6.25 μg/well against Bacillus subtilis; 13e,...

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Protein Science

Engineered control of enzyme structural dynamics and function

Published: 16 February 2018

Author(s): David D. Boehr, Rebecca N. D'Amico, Kathleen F. O'Rourke

Abstract Enzymes undergo a range of internal motions from local, active site fluctuations to large‐scale, global conformational changes. These motions are often important for enzyme function, including in ligand binding and dissociation and even preparing the active site for chemical catalysis. Protein engineering efforts have been directed towards manipulating enzyme structural dynamics and conformational changes, including...

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Protein Science

Distal amyloid β‐protein fragments template amyloid assembly

Published: 16 February 2018

Author(s): Thanh D. Do, Smriti Sangwan, Natália E. C. de Almeida, Alexandre I. Ilitchev, Maxwell Giammona, Michael R. Sawaya, Steven K. Buratto, David S. Eisenberg, Michael T. Bowers

Abstract Amyloid formation is associated with devastating diseases such as Alzheimer's, Parkinson's and Type‐2 diabetes. The large amyloid deposits found in patients suffering from these diseases have remained difficult to probe by structural means. Recent NMR models also predict heterotypic interactions from distinct peptide fragments but limited evidence of heterotypic packed sheets is observed in solution. Here we characterize...

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Protein Science

Lactose repressor hinge domain independently binds DNA

Published: 16 February 2018

Author(s): Joseph S. Xu, Madeleine N. Hewitt, Jaskeerat S. Gulati, Matthew A. Cruz, Hongli Zhan, Shirley Liu, Kathleen S. Matthews

Abstract The short 8–10 amino acid “hinge” sequence in lactose repressor (LacI), present in other LacI/GalR family members, links DNA and inducer‐binding domains. Structural studies of full‐length or truncated LacI‐operator DNA complexes demonstrate insertion of the dimeric helical “hinge” structure at the center of the operator sequence. This association bends the DNA ∼40° and aligns flanking semi‐symmetric DNA sites for optimal...

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

January 2018


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A Multiperspective Approach to Solvent Regulation of Enzymatic Activity: HMG-CoA Reductase [Communication]
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Universality in Oxygen Evolution Electrocatalysis on Oxide Surfaces [Full Paper]
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Matthias Ducci
Geheimtinten [Artikel]
Chem. Unserer Zeit 2017, vol. 51, p. 228

Balaram Mukhopadhyay, Rituparna Das
Chemical O-Glycosylations: An Overview [Review]
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Chemical Sensors Based on Metal-Organic Frameworks [Review]
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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
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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

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Highly Photoluminescent Carbon Dots for Multicolor Patterning, Sensors, and Bioimaging
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Balayeshwanth R. Vummidi, Jawad Alzeer, Nathan W. Luedtke
Fluorescent Probes for G-Quadruplex Structures [Review]
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Anthony J. Arduengo, Roland Krafczyk
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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

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

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Chem. Ing. Tech. 2013, vol. 85, pp. 489–499

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

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Palladium-Catalyzed Cross-Dehydrogenative Functionalization of C(sp2)–H Bonds [Focus Review]
Chem. Asian J. 2014, vol. 9, pp. 26–47

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

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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

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Spin Crossover at the Nanometre Scale [Microreview]
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David Schweinfurth, Naina Deibel, Fritz Weisser, Biprajit Sarkar
Mit Klick zu neuen Liganden [Magazin]
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