Chem. Commun.

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A molecular "screw-clamp": accelerating click reactions in miniemulsions

13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10495-10498
DOI: 10.1039/C4CC04119D, CommunicationEvandro M. Alexandrino, Philipp Buchold, Manfred Wagner, Adrian Fuchs, Andreas Kreyes, Clemens K. Weiss, Katharina Landfester, Frederik R. Wurm
Acceleration of a Huisgen alkyne-azide cycloaddition by the use of a miniemulsion approach was monitored by NMR techniques, demonstrating the potential of the interface to work as a "molecular screw-clamp".
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Iminosemiquinone radical ligands enable access to a well-defined redox-active CuII-CF3 complex

13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10394-10397
DOI: 10.1039/C4CC04487H, CommunicationJeremy Jacquet, Elise Salanouve, Maylis Orio, Herve Vezin, Sebastien Blanchard, Etienne Derat, Marine Desage-El Murr, Louis Fensterbank
The reaction of a copper complex bearing iminosemiquinone ligands with a CF3+ source provides an unprecedented CuII-CF3 complex through ligand-based oxidation.
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A 1D dysprosium chain with slow magnetic relaxation constructed from a pyridine-N-oxide ligand

13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10434-10437
DOI: 10.1039/C4CC03536D, CommunicationQi Chen, Yin-Shan Meng, Yi-Quan Zhang, Shang-Da Jiang, Hao-Ling Sun, Song Gao
A 1D dysprosium complex exhibiting slow magnetic relaxation with an energy barrier of 227 K was synthesized by employing a pyridine-N-oxide ligand.
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Fabrication of both the photoactive layer and the electrode by electrochemical assembly: towards a fully solution-processable device

13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10448-10451
DOI: 10.1039/C4CC04788E, CommunicationYixing Gao, Ji Qi, Jian Zhang, Shusen Kang, Wenqiang Qiao, Mao Li, Haizhu Sun, Jingping Zhang, Katsuhiko Ariga
We report an economical route to achieve an all-solution and vacuum-deposition free device under normal atmospheric pressure for fabrication of both the photoactive layer and the electrode.
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Mesityllithium and p-(dimethylamino)phenyllithium for the selective alternate trilithiation of the hexaphenylbenzene framework

13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10420-10423
DOI: 10.1039/C4CC04520C, CommunicationTatsuo Kojima, Shuichi Hiraoka
Mesityllithium and p-(dimethylamino)phenyllithium are new valuable lithiating reagents for the selective alternate trilithiation of the hexaphenylbenzene framework.
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Milk quality control: instant and quantitative milk fat determination with a BODIPY sensor-based fluorescence detector

13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10398-10401
DOI: 10.1039/C4CC04670F, CommunicationWang Xu, Jiaojiao Bai, Juanjuan Peng, Animesh Samanta, Divyanshu, Young-Tae Chang
The first fluorescent sensor for milk fat was developed.
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Amine-based solvents for exfoliating graphite to graphene outperform the dispersing capacity of N-methyl-pyrrolidone and surfactants

13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10382-10385
DOI: 10.1039/C4CC03923H, CommunicationZhenyu Sun, Xing Huang, Fang Liu, Xiaoning Yang, Christoph Rosler, Roland A. Fischer, Martin Muhler, Wolfgang Schuhmann
Four organic amine-based solvents were discovered which enable direct exfoliation of graphite to produce high-quality and oxygen-free graphene nanosheets.
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Direct comparison of a covalently-linked dyad and a 1 : 1 mixture of tetrabenzoporphyrin and fullerene as organic photovoltaic materials

13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10379-10381
DOI: 10.1039/C4CC03801K, CommunicationYuto Tamura, Hiroyuki Saeki, Junpei Hashizume, Yukinori Okazaki, Daiki Kuzuhara, Mitsuharu Suzuki, Naoki Aratani, Hiroko Yamada
Effective covalent linkage of tetrabenzoporphyrin and fullerene for the i-layer of p-i-n OPVs with an FF of 0.61 and a PCE of 1.98%.
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Recent developments in gold(I) coordination chemistry: luminescence properties and bioimaging opportunities

13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10343-10354
DOI: 10.1039/C4CC03259D, Feature ArticleEmily E. Langdon-Jones, Simon J. A. Pope
This article discusses the recent progress in luminescent Au(I) complexes whilst considering their utility in bioimaging and therapeutics.
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Key processes in ruthenium-catalysed olefin metathesis

13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10355-10375
DOI: 10.1039/C4CC02515F, Feature ArticleOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.David J. Nelson, Simone Manzini, Cesar A. Urbina-Blanco, Steven P. Nolan
While the fundamental series of [2+2]cycloadditions and retro[2+2]cycloadditions that make up the pathways of ruthenium-catalysed metathesis reactions is well-established, the exploration of mechanistic aspects of alkene metathesis continues.
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A semimetal bismuth element as a direct plasmonic photocatalyst

13 August, 2014 - 19:54

Chem. Commun., 2014, 50,10386-10389
DOI: 10.1039/C4CC02724H, CommunicationFan Dong, Ting Xiong, Yanjuan Sun, Zaiwang Zhao, Ying Zhou, Xin Feng, Zhongbiao Wu
A semimetal bismuth element exhibited admirable photocatalytic activity towards the removal of NO in air, and most strikingly, showed a catalytic "memory" capability, resulting from the surface plasmon resonance mediated direct photocatalysis.
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Antibacterial polymeric nanostructures for biomedical applications

11 August, 2014 - 19:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03001J, Feature ArticleJing Chen, Fangyingkai Wang, Qiuming Liu, Jianzhong Du
A topical review on recent advances in the research and applications of antimicrobial polymeric nanostructures, such as silver-decorated polymeric nanostructures, and polymeric micelles and vesicles based on antimicrobial polymers and antimicrobial peptides.
To cite this article before page numbers are assigned, use the DOI form of citation above.
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Organocatalysed multicomponent synthesis of pyrazolidinones: Meldrum's acid approach

11 August, 2014 - 19:17

Chem. Commun., 2014, 50,10218-10221
DOI: 10.1039/C4CC04852K, CommunicationEtienne Pair, Christophe Berini, Romain Noel, Morgane Sanselme, Vincent Levacher, Jean-Francois Briere
A novel multicomponent domino Knoevenagel-aza-Michael-cyclocondensation reaction with Meldrum's acid leading to a straightforward synthesis of 1,5-diazabicyclo[3.3.0]-octane-2,6-diones upon a tandem organocatalytic regime.
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High performance asymmetrical push-pull small molecules end-capped with cyanophenyl for solution-processed solar cells

11 August, 2014 - 19:17

Chem. Commun., 2014, 50,10251-10254
DOI: 10.1039/C4CC04020A, CommunicationHang Gao, Yanqin Li, Lihui Wang, Changyan Ji, Yue Wang, Wenjing Tian, Xichuan Yang, Lunxiang Yin
The novel asymmetrical push-pull small molecule TPATDPPCN end-capped with cyanophenyl exhibits an impressive PCE of 5.94%.
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A convergent rhodium-catalysed asymmetric synthesis of tetrahydroquinolines

11 August, 2014 - 19:17

Chem. Commun., 2014, 50,10222-10224
DOI: 10.1039/C4CC04940C, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Ho Yin Li, Joachim Horn, Amanda Campbell, David House, Adam Nelson, Stephen P. Marsden
Rh-catalysed conjugate additions of 2-aminophenyl boronic acid derivatives were exploited in diastereoselective and asymmetric syntheses of tetrahydroquinolines.
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The origins of cyanobactin chemistry and biology

11 August, 2014 - 19:17

Chem. Commun., 2014, 50,10174-10176
DOI: 10.1039/C3CC49252D, ViewpointMarcel Jaspars
Publication of the correct structure for ascidiacyclamide, a symmetrical patellamide, led to studies on the application and origins of these ribosomally produced compounds.
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Trifluoromethylation of arenediazonium salts with fluoroform-derived CuCF3 in aqueous media

11 August, 2014 - 19:17

Chem. Commun., 2014, 50,10237-10240
DOI: 10.1039/C4CC04930F, CommunicationAnton Lishchynskyi, Guillaume Berthon, Vladimir V. Grushin
A new protocol has been developed for trifluoromethylation of arenediazonium salts with moisture-sensitive CuCF3 (from fluoroform) in aqueous media. The reaction is governed by a radical mechanism, tolerates a broad variety of functional groups, and is applicable to the synthesis of complex, polyfunctionalized molecules.
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A four-component organogel based on orthogonal chemical interactions

11 August, 2014 - 19:17

Chem. Commun., 2014, 50,10233-10236
DOI: 10.1039/C4CC03398A, CommunicationNicolas Luisier, Kurt Schenk, Kay Severin
A thermoresponsive organogel was obtained by orthogonal assembly of four compounds using dynamic covalent boronate ester and imine bonds, as well as dative boron-nitrogen bonds.
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Design and preparation of ethynyl-pyrene modified platinum-acetylide gelators and their application in dispersion of graphene

11 August, 2014 - 19:17

Chem. Commun., 2014, 50,10269-10272
DOI: 10.1039/C4CC04039B, CommunicationNai-Wei Wu, Jing Zhang, Xing-Dong Xu, Hai-Bo Yang
A series of new ethynyl-pyrene modified platinum-acetylide gelators were prepared, some of which were found to be able to incorporate graphene into the metallogel matrix.
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C60 fullerenol as an active and stable catalyst for the synthesis of cyclic carbonates from CO2 and epoxides

11 August, 2014 - 19:17

Chem. Commun., 2014, 50,10307-10310
DOI: 10.1039/C4CC04891A, CommunicationYong-Bin Sun, Chang-Yan Cao, Shu-Liang Yang, Pei-Pei Huang, Chun-Ru Wang, Wei-Guo Song
C60 fullerenol was first found to be a highly active, selective and stable catalyst for cycloaddition of CO2 and epoxides to produce various cyclic carbonates with excellent yields (89-99%). A solid/liquid interfacial hydrogen-bond assisted mechanism was proposed to account for its high efficiency.
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