Chem. Commun.

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Direct exfoliation of carbon allotropes with structural analogues of self-assembled nanostructures and their photovoltaic applications

19 October, 2014 - 13:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05929H, CommunicationWoochul Lee, Dong-Woo Lee, Myongsoo Lee, Jong-In Hong
The self-assembled nanostructures of amphiphilic molecules enabled a direct exfoliation of carbon allotropes, which were successfully introduced into the HTL layer.
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[small alpha]-Trifluoromethyl-(indol-3-yl)methanols as trifluoromethylated C3 1,3-dipoles: [3+2] cycloaddition for the synthesis of 1-(trifluoromethyl)-cyclopenta[b]indole alkaloids

19 October, 2014 - 13:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05895J, CommunicationJinhuan Dong, Ling Pan, Xianxiu Xu, Qun Liu
Easily available [small alpha]-trifluoromethyl 3-indolylmethanol silyl ethers acting as the trifluoromethylated C3 1,3-dipoles in the preparation of 1-trifluoromethyl cyclopenta[b]indole alkaloids.
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Practical synthesis of pyrazoles via a copper-catalyzed relay oxidation strategy

19 October, 2014 - 13:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06747A, CommunicationXiaodong Tang, Liangbin Huang, Jidan Yang, Yanli Xu, Wanqing Wu, Huanfeng Jiang
An efficient Cu-catalyzed cascade reaction involving N-O bond cleavage and C-C/C-N/N-N bond formations is developed to afford various 1,3- and 1,3,4-substituted pyrazoles.
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QM/MM simulations as an assay for carbapenemase activity in class A [small beta]-lactamases

19 October, 2014 - 13:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06495J, CommunicationEwa I. Chudyk, Michael A. L. Limb, Charlotte Jones, James Spencer, Marc W. van der Kamp, Adrian J. Mulholland
Carbapenemases are distinguished from carbapenem-inhibited [small beta]-lactamases with a protocol involving QM/MM free energy simulations of acyl-enzyme deacylation, requiring only the enzyme 3D structure as input.
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Fabrication of porous Co3O4 nanowires with high CO sensing performance at a low operating temperature

19 October, 2014 - 13:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05498A, CommunicationZhifeng Dou, Changyan Cao, Yong Chen, Weiguo Song
Fluoride doped porous Co3O4 nanowires show superior CO gas-sensing performances at a low operating temperature (Top [less-than-or-equal] 100 [degree]C).
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Janus ultrathin film from multi-level self-assembly at air-water interfaces

19 October, 2014 - 13:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06798C, CommunicationHongbin Zhang, Rui Hao, John K. Jackson, Mu Chiao, Haifeng Yu
Ultrathin Janus films were fabricated by simply dropping THF solution of azopyridine derivatives and PAA on the air-water interface. Due to the unique environment-guided multi-level self-assembly process on molecular and microscopic scales, the film exhibits novel surface structure and distinct water wetting abilities on its different sides.
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Self-catalytic synthesis of metal oxide nanoclusters@mesoporous silica composites based on successive spontaneous reactions at near neutral conditions

19 October, 2014 - 13:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07319C, CommunicationFang Cui, Tieyu Cui
We report a self-catalytic strategy for the facile synthesis of metal oxide nanoclusters@mesoporous silica by subtly making use of successive spontaneous reactions (i.e. nucleophilic substitution, self-catalytic hydrolyzation and polycondensation reaction) in water-ethanol solution at near neutral conditions.
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A single-chain magnet based on linear [MnIII2MnII] units

19 October, 2014 - 13:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05687F, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Constantina Papatriantafyllopoulou, Sotiris Zartilas, Manolis J. Manos, Celine Pichon, Rodolphe Clerac, Anastasios J. Tasiopoulos
The synthesis, structure and single-chain magnet properties of a unique one-dimensional coordination polymer based on a linear mixed valent [MnIII2MnII] repeating unit are described.
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Three-dimensional spider-web architecture assembled from Na2Ti3O7 nanotubes as a high performance anode for a sodium-ion battery

19 October, 2014 - 13:17

Chem. Commun., 2014, 50,14029-14032
DOI: 10.1039/C4CC06451H, CommunicationYuping Zhang, Lin Guo, Shihe Yang
Na inserted/extracted into/from spider web-like architectures assembled from Na2Ti3O7 nanotubes behave as natural spiders feeding on themselves.
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Probing the role of an FeIV tetrazene in catalytic aziridination

19 October, 2014 - 13:17

Chem. Commun., 2014, 50,13967-13970
DOI: 10.1039/C4CC05124F, CommunicationS. Alan Cramer, Raul Hernandez Sanchez, Desirae F. Brakhage, David M. Jenkins
An iron(IV) tetrazene complex has been synthesized that is an important addition to a previously proposed catalytic aziridination cycle.
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Mild and metal-free oxy- and amino-fluorination for the synthesis of fluorinated heterocycles

19 October, 2014 - 13:17

Chem. Commun., 2014, 50,13928-13931
DOI: 10.1039/C4CC05027D, CommunicationDixit Parmar, Magnus Rueping
An intramolecular fluoro-cyclisation reaction of benzylic alcohols and amines under mild conditions has been developed. The reaction proceeds in the absence of any metal catalyst or base and provides access to fluorinated isobenzofurans and isoindolines with good yields and modest diastereoselectivity.
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Multicomponent decarboxylative allylations

19 October, 2014 - 13:17

Chem. Commun., 2014, 50,14049-14052
DOI: 10.1039/C4CC07253G, CommunicationYamuna Ariyarathna, Jon A. Tunge
The in situ formation of [small beta]-oxo carboxylates leads to selective three- and four-component decarboxylative allylations.
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Retro-Claisen benzylation: direct use of benzyl alcohols in Pd-catalyzed couplings with nitriles

19 October, 2014 - 13:17

Chem. Commun., 2014, 50,14045-14048
DOI: 10.1039/C4CC07001A, CommunicationTapan Maji, Kinthada Ramakumar, Jon A. Tunge
Facile retro-Claisen cleavage activates benzylic alcohols toward cross-coupling with nitriles.
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The hydrogen/deuterium isotope effect of the host material on the lifetime of organic light-emitting diodes

19 October, 2014 - 13:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05108D, CommunicationHayato Tsuji, Chikahiko Mitsui, Eiichi Nakamura
The hydrogen/deuterium primary kinetic isotope effect provides useful information about the degradation mechanism of OLED host materials.
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Catalytic methylation of aromatic amines with formic acid as the unique carbon and hydrogen source

19 October, 2014 - 13:17

Chem. Commun., 2014, 50,14033-14036
DOI: 10.1039/C4CC05908E, CommunicationSolene Savourey, Guillaume Lefevre, Jean-Claude Berthet, Thibault Cantat
A novel methodology is presented for the direct methylation of amines, using formic acid as a unique source of carbon and hydrogen.
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Ligand design for long-range magnetic order in metal-organic frameworks

19 October, 2014 - 13:17

Chem. Commun., 2014, 50,13990-13993
DOI: 10.1039/C4CC06433J, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Davide Tiana, Christopher H. Hendon, Aron Walsh
We report a class of ligands that are candidates to construct metal-organic frameworks with long-range magnetic order between transition metal centres.
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Direct sensing of fluoride in aqueous solutions using a boronic acid based sensor

19 October, 2014 - 13:17

Chem. Commun., 2014, 50,13987-13989
DOI: 10.1039/C4CC04542D, CommunicationXin Wu, Xuan-Xuan Chen, Bing-Nan Song, Yan-Jun Huang, Wen-Juan Ouyang, Zhao Li, Tony D. James, Yun-Bao Jiang
Fluoride sensing by fluoride-triggered aggregation and excimer emission of a pyreneboronic acid-catechol ensemble in acidic aqueous solutions.
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Encoding through the host-guest structure: construction of multiplexed fluorescent beads

19 October, 2014 - 13:17

Chem. Commun., 2014, 50,14041-14044
DOI: 10.1039/C4CC05793G, CommunicationYing Zhu, Hong Xu, Kaimin Chen, Jianping Fu, Hongchen Gu
A new encoding strategy based on the host-guest structure was developed, where encoding is achieved by combinational use of a set of guest particles with different fluorescence intensity levels at various ratios.
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A versatile fluorescence turn-on assay for highly sensitive detection of tyrosine phosphatase activity

19 October, 2014 - 13:17

Chem. Commun., 2014, 50,13983-13986
DOI: 10.1039/C4CC06793B, CommunicationChenghui Liu, Fangfang Wang, Yucong Wang, Zhengping Li
A simple but robust fluorescence turn-on assay is developed for assaying PTP1B activity by using calcein as the signaling element.
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Supramolecular hydrogels derived from cyclic amino acids and their applications in the synthesis of Pt and Ir nanocrystals

19 October, 2014 - 13:17

Chem. Commun., 2014, 50,13979-13982
DOI: 10.1039/C4CC06419D, CommunicationChuanqing Kang, Lanlan Wang, Zheng Bian, Haiquan Guo, Xiaoye Ma, Xuepeng Qiu, Lianxun Gao
A single amino acid was used for water gelation and templating the synthesis of Pt and Ir nanocrystals.
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