Chem. Commun.

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Unification of catalytic oxygen reduction and hydrogen evolution reactions: highly dispersive Co nanoparticles encapsulated inside Co and nitrogen co-doped carbon

17 May, 2015 - 17:54

Chem. Commun., 2015, 51,8942-8945
DOI: 10.1039/C5CC02400E, CommunicationY. Wang, Y. Nie, W. Ding, S. G. Chen, K. Xiong, X. Q. Qi, Y. Zhang, J. Wang, Z. D. Wei
The elaborately synthesized Co nanoparticles encapsulated inside Co and nitrogen co-doped carbon catalysts with homogenous distribution of Co NPs exhibit evidently outstanding performances toward ORR/HER.
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Synthesis of radiolabelled aryl azides from diazonium salts: experimental and computational results permit the identification of the preferred mechanism

17 May, 2015 - 17:54

Chem. Commun., 2015, 51,8954-8957
DOI: 10.1039/C5CC01913C, CommunicationSameer M. Joshi, Abel de Cozar, Vanessa Gomez-Vallejo, Jacek Koziorowski, Jordi Llop, Fernando P. Cossio
Experimental and computational studies support a stepwise mechanism via acyclic zwitterionic intermediates in the formation of aryl azides from diazonium salts.
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Construction of unique six-coordinated titanium species with an organic amine ligand in titanosilicate and their unprecedented high efficiency for alkene epoxidation

17 May, 2015 - 17:54

Chem. Commun., 2015, 51,9010-9013
DOI: 10.1039/C5CC02321A, CommunicationLe Xu, Da-Ding Huang, Chen-Geng Li, Xinyi Ji, Shaoqing Jin, Zhaochi Feng, Fei Xia, Xiaohong Li, Fengtao Fan, Can Li, Peng Wu
An organic-inorganic titanosilicate with an amine ligand shows high catalytic activity, selectivity and recyclability in alkene epoxidation.
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Oscillatory three-phase flow reactor for studies of bi-phasic catalytic reactions

17 May, 2015 - 17:54

Chem. Commun., 2015, 51,8916-8919
DOI: 10.1039/C5CC02051D, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Milad Abolhasani, Nicholas C. Bruno, Klavs F. Jensen
Oscillatory flow reactor strategy removes the mixing, mass transfer and residence time limitations associated with continuous multi-phase flow approaches for studies of bi-phasic C-C and C-N catalytic reactions.
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Morphology controlled synthesis of monodispersed manganese sulfide nanocrystals and their primary application in supercapacitors with high performances

17 May, 2015 - 17:54

Chem. Commun., 2015, 51,9018-9021
DOI: 10.1039/C5CC01700A, CommunicationYongfu Tang, Teng Chen, Shengxue Yu
Monodispersed hollow spindle-like nanosphere and tetrapod nanorod MnS nanocrystals are obtained via a facile template-free hydrothermal process. The MnS nanocrystals are used as supercapacitor materials and they exhibit high performances.
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Robust enzyme-silica composites made from enzyme nanocapsules

17 May, 2015 - 17:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC02053K, CommunicationJie Li, Xin Jin, Yang Liu, Fan Li, Linlin Zhang, Xianyuan Zhu, Yunfeng Lu
Novel enzyme composites are synthesized first by in situ polymerization around enzymes and a subsequent sol-gel process. Both the polymer shell and the silica shell with desired functional moieties provide not only great enzyme protection but also a favorable microenvironment, resulting in significantly enhanced activity and stability.
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Design of [small beta]-CD-surfactant complex-coated liquid crystal droplets for the detection of cholic acid via competitive host-guest recognition

17 May, 2015 - 17:54

Chem. Commun., 2015, 51,8912-8915
DOI: 10.1039/C5CC01561H, CommunicationJinan Deng, Xiaoyan Lu, Colin Constant, Aristide Dogariu, Jiyu Fang
We report the use of [small beta]-CD-C14TAB complex-coated 5CB droplets for the selective detection of cholic acid, in which the [small beta]-CD-C14TAB complex at the surface of the 5CB droplets is used as a selective barricade and the configuration transition of the 5CB inside the droplets serves as an optical probe.
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The first case of actinide triple helices: pH-dependent structural evolution and kinetically-controlled transformation of two supramolecular conformational isomers

17 May, 2015 - 17:54

Chem. Commun., 2015, 51,8978-8981
DOI: 10.1039/C5CC02646F, CommunicationShu-wen An, Lei Mei, Cong-zhi Wang, Chuan-qin Xia, Zhi-fang Chai, Wei-qun Shi
A kinetically-controlled transformation occurs between two supramolecular isomers of the first actinide triple helices based on conformational changes of phenanthroline coordinated to the asymmetric uranyl equatorial plane.
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Modified deposition process of electron transport layer for efficient inverted planar perovskite solar cells

17 May, 2015 - 17:54

Chem. Commun., 2015, 51,8986-8989
DOI: 10.1039/C5CC01483B, CommunicationHua Dong, Zhaoxin Wu, Bin Xia, Jun Xi, Fang Yuan, Shuya Ning, Lixin Xiao, Xun Hou
A highly-efficient inverted heterojunction perovskite solar cell is reported, with a double-layer PCBM film deposited by sequential spin-coating/vapor deposition as the electron transport layer.
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NaYF4:Yb,Er-MoS2: from synthesis and surface ligand stripping to negative infrared photoresponse

17 May, 2015 - 17:54

Chem. Commun., 2015, 51,9030-9033
DOI: 10.1039/C4CC10399H, CommunicationWenbin Niu, Hu Chen, Rui Chen, Jingfeng Huang, Handong Sun, Alfred Iing Yoong Tok
The synthesis, surface ligand stripping (SOCl2/DMF treatment), and unusual negative infrared photoresponse of new NaYF4:Yb,Er-MoS2 sheet nanocomposites were reported.
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Mesostructured zeolites: bridging the gap between zeolites and MCM-41

17 May, 2015 - 17:54

Chem. Commun., 2015, 51,8900-8911
DOI: 10.1039/C4CC10391B, Feature ArticleTeerawit Prasomsri, Wenqian Jiao, Steve Z. Weng, Javier Garcia Martinez
This feature article critically reviews the use of surfactants to introduce controlled mesoporosity in zeolites and their commercial applications.
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Supramolecular imidazolium frameworks: direct analogues of metal azolate frameworks with charge-inverted node-and-linker structure

17 May, 2015 - 17:54

Chem. Commun., 2015, 51,8924-8927
DOI: 10.1039/C5CC01645B, CommunicationCristina Mottillo, Tomislav Friscic
Assembly of imidazolium cations with tetrahedral divalent anions leads to supramolecular imidazolium frameworks, molecular analogues of metal azolate frameworks, illustrating a charge-inverted framework design involving cationic linkers and anionic nodes.
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The development of a disposable gas chromatography microcolumn

17 May, 2015 - 17:54

Chem. Commun., 2015, 51,8920-8923
DOI: 10.1039/C4CC09915J, CommunicationJacqueline M. Rankin, Kenneth S. Suslick
The first molded-polymer gas chromatography (GC) microcolumn (made of a phase-separated, microtextured thermoset polymer) is described and characterized.
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Polyaromatic Molecular Tubes with a Subnanometer Pore and the Guest-Induced Emission Enhancement Behavior

13 May, 2015 - 16:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC02931G, CommunicationKeita Hagiwara, Masafumi Otsuki, Munetaka Akita, Michito Yoshizawa
New polyaromatic molecular tubes with a subnanometer pore (0.8 nm) were prepared. The tube bearing six sulfonate groups on the periphery and twelve methoxy groups at the openings provides a...
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A triazine-based covalent organic polymer for efficient CO2 adsorption

13 May, 2015 - 16:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC02147B, CommunicationRuth Gomes, Piyali Bhanja, Asim Bhaumik
A new triazine functionalized hexagonally ordered covalent organic polymer (TRITER-1) has been synthesized via Schiff-base condensation reaction between a tailor made triamine 1,3,5-tris-(4-aminophenyl)triazine (TAPT) and terephthaldehyde. This ordered porous polymer...
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Reductive P-P Coupling of Primary and Secondary Phosphines mediated by N-Heterocyclic Carbenes

13 May, 2015 - 16:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC02517F, CommunicationHeidi Schneider, Schmidt David, Udo Radius
The dehydrogenative coupling of primary and secondary phosphines with the N-heterocyclic carbene iPr2Im (1,3-di-isopropyl-imidazolin-2-ylidene) is reported. Dehydrogenation of R2PH affords diphosphines R2P-PR2. The reaction of iPr2Im with ArPH2 leads to...
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Blue-emitting pyrene-based aggregates

13 May, 2015 - 16:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC03616J, CommunicationLuis Sanchez, Jorge Santos Valera, Joaquin Calbo, Rafael Gomez, Enrique Orti
The supramolecular polymerization of pyreneimidazoles 1 and 2, governed by H-bonding and C-H[middle dot][middle dot][middle dot][small pi] interactions, yields aggregates showing the characteristic blueish emission pattern of pyrene-based monomers.
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Total chemical synthesis of monoglycosylated GM2 ganglioside activator using a novel cysteine surrogate

13 May, 2015 - 16:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC02967H, CommunicationKohei Sato, Keisuke Kitakaze, Takahiro Nakamura, Naoto Naruse, Keisuke Aihara, Akira Shigenaga, Tsubasa Inokuma, Daisuke Tsuji, Kohji Itoh, Akira Otaka
We describe a novel peptide ligation/desulfurization strategy using [small beta]-mercapto-N-glycosylated asparagine derivative. The newly developed procedure is successfully applied to total chemical synthesis of GM2 ganglioside activator protein bearing a monosaccharide...
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The Opposite Gating Behaviors of Solid-State Nanochannels Modified with Long and Short Polymer Chains

13 May, 2015 - 16:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC02774H, CommunicationJuntao Zhang, nannan liu, Benmei Wei, Xiaomei Ou, Xuemei Xu, Xiaoding Lou, fan xia
The influence of long and short polymer chains on the gating properties of nanochannel systems modified with NIPAAm-co-PBA copolymer are explored. We not only discover the negative temperature gating behavior...
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Gold-catalyzed selective oxidation of 4-Oxahepta-1,6-diynes to 2H-pyran-3(6H)-ones and chromen-3(4H)-ones via the [small beta]-gold vinyl cation intermediates

13 May, 2015 - 16:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC02952J, CommunicationKegong Ji, Xiang Liu, Bowen Du, Fang Yang, J.-M. Gao
The [small alpha]-oxo gold carbenes generated in situ via gold-catalyzed selective oxidation of 4-oxahepta-1,6-diynes were effectively trapped by internal alkynes, resulting in the formation of 2H-pyran-3(6H)-ones 3 and chromen-3(4H)-ones 4 upon...
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