Chem. Commun.

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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.
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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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A chemo-mechanical switch for controllable water transportation based on a thermally responsive block copolymer

11 August, 2014 - 19:17

Chem. Commun., 2014, 50,10265-10268
DOI: 10.1039/C4CC04089A, CommunicationJianmin Yang, Mitsuaki Hida, Sifeng Mao, Hulie Zeng, Hizuru Nakajima, Katsumi Uchiyama
A smart and reversible chemo-mechanical switch for controllable water transportation was developed by originally designing a thermally responsive block copolymer on a capillary plate.
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Synthesis and immunological evaluation of self-adjuvanting MUC1-macrophage activating lipopeptide 2 conjugate vaccine candidates

11 August, 2014 - 19:17

Chem. Commun., 2014, 50,10273-10276
DOI: 10.1039/C4CC03510K, CommunicationDavid M. McDonald, Brendan L. Wilkinson, Leo Corcilius, Morten Thaysen-Andersen, Scott N. Byrne, Richard J. Payne
The synthesis and immunological evaluation of self-adjuvanting cancer vaccine candidates comprising of mucin 1 (MUC1) (glyco)peptides linked to macrophage activating lipopeptide 2 (MALP2) is described.
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Membrane analysis with amphiphilic carbon dots

11 August, 2014 - 19:17

Chem. Commun., 2014, 50,10299-10302
DOI: 10.1039/C4CC03504F, CommunicationSukhendu Nandi, Ravit Malishev, Kaviya Parambath Kootery, Yelena Mirsky, Sofiya Kolusheva, Raz Jelinek
Amphiphilic carbon dots were synthesized and used for investigating membrane processes through fluorescence spectroscopy, FRET, and microscopy.
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Transmission electron microscopy enables the reconstruction of the catenane and ring forms of CS2 hydrolase

11 August, 2014 - 19:17

Chem. Commun., 2014, 50,10281-10283
DOI: 10.1039/C4CC04650A, CommunicationJoseph Che-Yen Wang, Adam Zlotnick, Jasmin Mecinovic
Transmission electron microscopic studies on CS2 hydrolase provide direct evidence for the existence of the hexadecameric catenane and octameric ring topologies. Reconstructions of both protein assemblies are in good agreement with crystallographic analyses.
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Sulfur gradient-distributed CNF composite: a self-inhibiting cathode for binder-free lithium-sulfur batteries

11 August, 2014 - 19:17

Chem. Commun., 2014, 50,10277-10280
DOI: 10.1039/C4CC04970E, CommunicationKun Fu, Yanpeng Li, Mahmut Dirican, Chen Chen, Yao Lu, Jiadeng Zhu, Yao Li, Linyou Cao, Philip D. Bradford, Xiangwu Zhang
A novel sulfur gradient cathode was developed with a high specific capacity and improved cycling stability for Li-S batteries.
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Emission enhancement of a coplanar [small pi]-conjugated gelator without any auxiliary substituents

11 August, 2014 - 19:17

Chem. Commun., 2014, 50,10284-10286
DOI: 10.1039/C4CC04869E, CommunicationPengchong Xue, Boqi Yao, Jiabao Sun, Zhenqi Zhang, Ran Lu
A linear coplanar carbazole-based benzoxazole derivative without any auxiliary moieties could gelatinize organic solvents, and exhibited emission enhancement owing to the J-aggregate formation.
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Flavin-catalyzed aerobic oxidation of sulfides and thiols with formic acid/triethylamine

11 August, 2014 - 19:17

Chem. Commun., 2014, 50,10295-10298
DOI: 10.1039/C4CC05216A, CommunicationShun-Ichi Murahashi, Dazhi Zhang, Hiroki Iida, Toshio Miyawaki, Masaaki Uenaka, Kenji Murano, Kanji Meguro
An efficient and practical method for flavin-catalyzed aerobic oxidation of sulfides and thiols with formic acid/TEA is described.
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Zero-field slow magnetic relaxation in a uranium(III) complex with a radical ligand

11 August, 2014 - 19:17

Chem. Commun., 2014, 50,10262-10264
DOI: 10.1039/C4CC04486J, CommunicationJoana T. Coutinho, Maria A. Antunes, Laura C. J. Pereira, Joaquim Marcalo, Manuel Almeida
Single-molecule-magnet behaviour in [U(TpMe2)2(bipy[radical dot])], a U(III) complex with a radical bipyridine ligand, having magnetic contributions from both the metal and the ligand.
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Mechanochemical C-H bond activation: rapid and regioselective double cyclopalladation monitored by in situ Raman spectroscopy

11 August, 2014 - 19:17

Chem. Commun., 2014, 50,10287-10290
DOI: 10.1039/C4CC04423A, CommunicationMarina Juribasic, Krunoslav Uzarevic, Davor Gracin, Manda Curic
The first solid-state C-H bond activation by palladium(II) acetate resulting in efficient and regioselective cyclopalladation of asymmetrically substituted azobenzene was monitored by in situ solid-state Raman spectroscopy.
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