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Copper-mediated intramolecular oxidative C-H/N-H cross-coupling of [small alpha]-alkenoyl ketene N,S-acetals to synthesize pyrrolone derivatives

9 September, 2014 - 04:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05837B, CommunicationFei Huang, Ping Wu, Liandi Wang, Jiping Chen, Chenglin Sun, Zhengkun Yu
CuCl2 and CuBr2-mediated intramolecular oxidative C-H/N-H cross-coupling/halogenation of [small beta]-thioalkyl-[small alpha]-alkenoyl ketene N,S-acetals provides a new concise synthetic route to pyrrolones.
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Co(II)/Co(I) reduction-induced axial histidine-flipping in myoglobin reconstituted with a cobalt tetradehydrocorrin as a methionine synthase model

9 September, 2014 - 04:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05448B, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Takashi Hayashi, Yoshitsugu Morita, Eiichi Mizohata, Koji Oohora, Jun Ohbayashi, Tsuyoshi Inoue, Yoshio Hisaeda
The reduction of myoglobin reconstituted with Co(II) tetradehydrocorrin as a cobalamin model brings about characteristic axial histidine flipping to form a tetra-coordinated Co(I) species as proposed in methionine synthase.
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A new approach to molecular self-assembly through formation of dipeptide-based unique architectures by artificial supersaturation

9 September, 2014 - 04:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05820H, CommunicationMakoto Sakurai, Pradyot Koley, Masakazu Aono
Morphological transition and the fabrication of unique architectures through molecular self-assembly of dipeptides are caused by artificial local supersaturation. Their growth process is analyzed using new experimental methods.
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Spatial co-localization of multi-enzymes by inorganic nanocrystal-protein complexes

9 September, 2014 - 04:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05478D, CommunicationZhixian Li, Yifei Zhang, Yechao Su, Pingkai Ouyang, Jun Ge, Zheng Liu
A multi-enzyme system with spatially controlled distribution of enzymes was constructed by co-precipitation of proteins with metal ions in solution.
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Preparation of multi-shelled conductive polymer hollow microspheres by using Fe3O4 hollow spheres as sacrificial templates

9 September, 2014 - 04:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05469E, CommunicationRui Pang, Xiujie Hu, Shuyun Zhou, Chenghua Sun, Jun Yan, Xingming Sun, Shizhuo Xiao, Ping Chen
An ingenious and controllable sacrificial template method has been reported to prepare multi-shelled conductive polymer hollow microspheres with excellent microwave absorbing properties.
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A base-catalyzed cycloisomerization of 5-cyano-pentyne derivatives: an efficient synthesis of 3-cyano-4,5-dihydro-1H-pyrroles

9 September, 2014 - 04:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04409F, CommunicationJia Meng, Yi-Jin Li, Yu-Long Zhao, Xiu-Bin Bu, Qun Liu
A base-catalyzed cycloisomerization of 5-cyano-pentyne bearing a terminal alkyne group has been developed under metal-free conditions. This reaction provides an efficient access to 3-cyano-4,5-dihydro-1H-pyrroles with 1,3-cyano migration as the key transformation.
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High performance, air stable n-type single crystal transistors based on core-tetrachlorinated perylene diimides

9 September, 2014 - 04:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05896H, CommunicationChunming Liu, Chengyi Xiao, Yan Li, Wenping Hu, Zhibo Li, Zhaohui Wang
High performance organic single crystal transistors based on two kinds of core-tetrachlorinated perylene diimides are fabricated.
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Modification effects of meso-hexakis(pentafluorophenyl) [26]hexaphyrin aggregates on the photocatalytic water splitting

9 September, 2014 - 04:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05127K, CommunicationHidehisa Hagiwara, Motonori Watanabe, Takeshi Daio, Shintaro Ida, Tatsumi Ishihara
Water splitting activity of a GaN:ZnO photocatalyst was improved by meso-hexakis(pentafluorophenyl) [26]hexaphyrin. The hexaphyrin assisted the water splitting reaction over GaN:ZnO by using visible light energy around 600 nm.
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Omnidispersible poly(ionic liquid)-functionalized cellulose nanofibrils: surface grafting and polymer membrane reinforcement

9 September, 2014 - 04:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04683H, CommunicationKonrad Grygiel, Bernd Wicklein, Qiang Zhao, Michaela Eder, Torbjorn Pettersson, Lennart Bergstrom, Markus Antonietti, Jiayin Yuan
Poly(ionic liquid)s were grafted onto cellulose nanofibrils (CNFs) to provide superior dispersibility to CNFs in water and various organic solvents.
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Mono-benzimidazole functionalized [small beta]-cyclodextrins as supramolecular nanovalves for pH-triggered release of p-coumaric acid

9 September, 2014 - 04:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05677A, CommunicationTing Wang, MingDong Wang, ChenDi Ding, JiaJun Fu
Mono-benzimidazole functionalized [small beta]-cyclodextrins with self-complexation/decomplexation characteristics are used as supramolecular nanovalves to assemble mechanized silica nanoparticles, showing a pH-controlled release.
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Synthesis of polydopamine at the femtoliter scale and confined fabrication of Ag nanoparticles on surfaces

9 September, 2014 - 04:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC02500H, CommunicationM. Guardingo, M. J. Esplandiu, D. Ruiz-Molina
Polydopamine is synthesized in confined femtolitre sized droplets and used as green nanoreactors to fabricate Ag nanoparticles on surfaces.
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Isolation and characterization of [5,6]-pyrrolidino-Sc3N@Ih-C80 diastereomers

9 September, 2014 - 04:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04946B, CommunicationYutaka Maeda, Masato Kimura, Chihiro Ueda, Michio Yamada, Toru Kikuchi, Mitsuaki Suzuki, Wei-Wei Wang, Naomi Mizorogi, Nikolaos Karousis, Nikos Tagmatarchis, Tadashi Hasegawa, Marilyn M. Olmstead, Alan L. Balch, Shigeru Nagase, Takeshi Akasaka
Reactions of Sc3N@Ih-C80 with aziridine derivatives afforded a pair of diastereomers of the mono-adducts.
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In the dawn of magnets made from molecules

7 September, 2014 - 03:54

Chem. Commun., 2014, 50,11437-11439
DOI: 10.1039/C3CC49087D, ViewpointFernando Palacio
I discuss here the contribution from J. S. Miller and co-workers concerning the discovery of ferromagnetism in an organometallic compound.
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A highly selective and sensitive "turn-on" fluorescence chemodosimeter for the detection of mustard gas

7 September, 2014 - 03:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04801F, CommunicationD. Raghavender Goud, Ajay Kumar Purohit, Vijay Tak, Devendra Kumar Dubey, Pravin Kumar, Deepak Pardasani
A rhodamine-thioamide based chemodosimeter is synthesised and evaluated for the detection of mustard gas. Tandem S-alkylation and desulfurisation reaction of thioamide with sulfur mustard triggers strong fluorescence.
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Study of the interaction of water with the aqua-soluble dimeric complex [RuCp(PTA)2-[small mu ]-CN-1[small kappa]C:2[small kappa]2N-RuCp(PTA)2](CF3SO3) (PTA = 1,3,5-triaza-7-phosphaadamantane) by neutron and X-ray diffraction in solution

7 September, 2014 - 03:54

Chem. Commun., 2014, 50,11587-11590
DOI: 10.1039/C4CC05225K, CommunicationManuel Serrano-Ruiz, Silvia Imberti, Leonardo Bernasconi, Nazira Jadagayeva, Franco Scalambra, Antonio Romerosa
A bis-ruthenium complex was studied by neutron and X-ray diffraction in water showing how water interacts with the organometallic compound.
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Hydraphile synthetic ion channels alter root architecture in Arabidopsis thaliana

7 September, 2014 - 03:54

Chem. Commun., 2014, 50,11562-11564
DOI: 10.1039/C4CC04769A, CommunicationMohit B. Patel, Ariel Stavri, Nichole S. Curvey, George W. Gokel
The presence of low concentrations of hydraphile synthetic amphiphiles have been found to dramatically alter the primary/lateral root architectural balance in the A. thaliana plant model system and a correlation to ion transport by the hydraphiles is consistent with the effects.
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WS2 2D nanosheets in 3D nanoflowers

7 September, 2014 - 03:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04218B, CommunicationArunvinay Prabakaran, Frank Dillon, Jodie Melbourne, Lewys Jones, Rebecca J. Nicholls, Phil Holdway, Jude Britton, Antal A. Koos, Alison Crossley, Peter D. Nellist, Nicole Grobert
WS2 nanoflower (false colour).
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A multimeric MR-optical contrast agent for multimodal imaging

7 September, 2014 - 03:54

Chem. Commun., 2014, 50,11469-11471
DOI: 10.1039/C4CC05651E, CommunicationVictoria S. R. Harrison, Christiane E. Carney, Keith W. Macrenaris, Thomas J. Meade
We describe the design, synthesis and in vitro evaluation of a multimodal and multimeric contrast agent.
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High-yield photolytic generation of brominated single-walled carbon nanotubes and their application for gas sensing

7 September, 2014 - 03:54

Chem. Commun., 2014, 50,11568-11571
DOI: 10.1039/C4CC03702B, CommunicationD. Hines, M. H. Rummeli, D. Adebimpe, D. L. Akins
We present a facile and efficient photobromination technique for the covalent sidewall functionalization of SWNT using N-bromosuccinamide as the bromine source.
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Novel electrochemical fingerprinting methods for the precise determination of Ptshell coverage on Rucore nanoparticles

7 September, 2014 - 03:54

Chem. Commun., 2014, 50,11558-11561
DOI: 10.1039/C4CC04824E, CommunicationEhab N. El Sawy, Hany A. El-Sayed, Viola I. Birss
The electrochemical signatures of Ru oxide formation and CO stripping were used, for the first time, to determine the Pt shell coverage (from 0-2 monolayers) on Ru core nanoparticles, also revealing the chemical and electronic interactions that exist between these two phases.
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