Chem. Commun.

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Pd nanoparticle concentration dependent self-assembly of Pd@SiO2 nanoparticles into leaching resistant microcubes

13 August, 2014 - 20:54

Chem. Commun., 2014, 50,10510-10512
DOI: 10.1039/C4CC04124K, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Abheek Datta, Anustup Sadhu, Subhankar Santra, S. M. Shivaprasad, Swadhin K. Mandal, Sayan Bhattacharyya
Leaching resistant Pd-SiO2 microcubes are obtained by self-assembly of Pd@SiO2 nanoparticles only above a threshold [greater-than-or-equal]0.2 wt% Pd.
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Stimuli responsive chiral liquid crystal phases of phenylboronic acid functionalized rodlike viruses and their interaction with biologically important diols

13 August, 2014 - 20:54

Chem. Commun., 2014, 50,10402-10405
DOI: 10.1039/C4CC04639K, CommunicationJun Cao, Shuaiyu Liu, Jie Xiong, Yingjun Chen, Zhenkun Zhang
M13 viruses decorated with phenylboronic acid moieties form pH-responsive chiral LC phases that are regulated by binding with biological diols.
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Silicon diatom frustules as nanostructured photoelectrodes

13 August, 2014 - 20:54

Chem. Commun., 2014, 50,10441-10444
DOI: 10.1039/C4CC04470C, CommunicationSoundarrajan Chandrasekaran, Martin J. Sweetman, Krishna Kant, William Skinner, Dusan Losic, Thomas Nann, Nicolas H. Voelcker
Semiconducting and high surface area 3D silicon diatom frustules prepared from abundantly available diatom fossils sustain photocurrents and enable solar energy conversion.
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DABCO-catalyzed ring opening of activated cyclopropanes and recyclization leading to [gamma]-lactams with an all-carbon quaternary center

13 August, 2014 - 20:54

Chem. Commun., 2014, 50,10491-10494
DOI: 10.1039/C4CC03392B, CommunicationShaoxia Lin, Ling Li, Fushun Liang, Qun Liu
A novel and efficient method for the construction of [gamma]-lactams with an all-carbon quaternary center is developed via a DABCO-catalyzed reaction of EWG-activated cyclopropanecarboxamides and electron-deficient alkenes.
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Blinking triggered by the change in the solvent accessibility of a fluorescent molecule

13 August, 2014 - 20:54

Chem. Commun., 2014, 50,10478-10481
DOI: 10.1039/C4CC00377B, CommunicationKiyohiko Kawai, Takeshi Koshimo, Atsushi Maruyama, Tetsuro Majima
The more a fluorescent molecule is exposed to a solvent, the faster its triplet excited state is quenched by molecular oxygen.
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Highly cis-selective and lead-free hydrogenation of 2-hexyne by a supported Pd catalyst with an ionic-liquid layer

13 August, 2014 - 20:54

Chem. Commun., 2014, 50,10406-10408
DOI: 10.1039/C4CC04183F, CommunicationFrederick Schwab, Natascha Weidler, Martin Lucas, Peter Claus
Modifying a supported Pd catalyst by the ionic liquid [BMPL][DCA] to a SCILL system gave high selectivity and yield of cis-2-hexene even at full 2-hexyne conversion.
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Reactions of zirconium amide amidinates with dioxygen. Observation of an unusual peroxo intermediate in the formation of oxo compounds

13 August, 2014 - 20:54

Chem. Commun., 2014, 50,10517-10520
DOI: 10.1039/C4CC04032E, CommunicationAdam C. Lamb, Zheng Lu, Zi-Ling Xue
Reaction of d0 Zr(NMe2)2[MeC(NiPr)2]2 (1) with O2 gives peroxo trimer {([small mu ]-[small eta]2:[small eta]2-O2)Zr[MeC(NiPr)2]2}3 which reacts with the starting material 1 to give oxo dimer {([small mu ]-O)Zr[MeC(NiPr)2]2}2 and its polymer.
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Protein assembly mediated by sulfonatocalix[4]arene

13 August, 2014 - 20:54

Chem. Commun., 2014, 50,10412-10415
DOI: 10.1039/C4CC04897K, CommunicationRoise E. McGovern, Andrew A. McCarthy, Peter B. Crowley
The binding of anionic p-sulfonatocalix[4]arene to cationic lysozyme results in self assembly and the formation of protein tetramer chains, as revealed by X-ray crystallography.
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19F NMR indicator displacement assay using a synthetic receptor with appended paramagnetic relaxation agent

13 August, 2014 - 20:54

Chem. Commun., 2014, 50,10499-10501
DOI: 10.1039/C4CC04159C, CommunicationAdam J. Plaunt, Kasey J. Clear, Bradley D. Smith
A 19F NMR indicator displacement assay detects phosphorylated analytes with amplified signal intensity.
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Formation of a [2]pseudorotaxane based on a pillar[5]arene and a rigid guest in solution and in the solid state

13 August, 2014 - 20:54

Chem. Commun., 2014, 50,10482-10484
DOI: 10.1039/C4CC04319G, CommunicationYujuan Zhou, Zhengtao Li, Xiaodong Chi, Connor Thompson, Yong Yao
A pillar[5]arene with mono(ethylene oxide) groups could form a highly stable inclusion complex with a rigid guest both in solution and in the solid state. The association constant of this inclusion complex was determined to be (3.3 +/- 0.41) [times] 104 M-1 in acetonitrile.
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The superior cycle and rate performance of a novel sulfur cathode by immobilizing sulfur into porous N-doped carbon microspheres

13 August, 2014 - 20:54

Chem. Commun., 2014, 50,10468-10470
DOI: 10.1039/C4CC04868G, CommunicationHui Xu, Yuanfu Deng, Zhenxia Zhao, Hongjie Xu, Xusong Qin, Guohua Chen
A novel S-immobilized N-doped carbon microspheres (NCMs) composite was synthesized and assembled as a cathode for Li-S batteries with significantly improved cycle stability and rate performance (e.g. 0.030% per cycle for 500 cycles at 2.0 C).
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Fast response and highly selective sensing of amine vapors using a luminescent coordination polymer

13 August, 2014 - 20:54

Chem. Commun., 2014, 50,10506-10509
DOI: 10.1039/C4CC04614E, CommunicationJinlei Chen, Fei-Yan Yi, Hong Yu, Shihui Jiao, Guangsheng Pang, Zhong-Ming Sun
The first Eu-coordination polymer as a sensory material for the detection of amine vapors with high selectivity and rapid response.
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Electrodeposition of gallium in the presence of NH4Cl in an ionic liquid: hints for GaN formation

13 August, 2014 - 20:54

Chem. Commun., 2014, 50,10438-10440
DOI: 10.1039/C4CC03649B, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Abhishek Lahiri, Natalia Borisenko, Andriy Borodin, Frank Endres
GaN forms if Ga is electrodeposited from GaCl3 in the presence of NH4Cl from [Py1,4]Tf2N ionic liquid at room temperature.
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A pillar[5]arene and crown ether fused bicyclic host: synthesis, guest discrimination and simultaneous binding of two guests with different shapes, sizes and electronic constitutions

13 August, 2014 - 20:54

Chem. Commun., 2014, 50,10460-10463
DOI: 10.1039/C4CC01810A, CommunicationWei-Bo Hu, Hong-Mei Yang, Wen-Jing Hu, Ming-Liang Ma, Xiao-Li Zhao, Xian-Qiang Mi, Yahu A. Liu, Jiu-Sheng Li, Biao Jiang, Ke Wen
A pillar[5]arene- and crown ether-based bicyclic host molecule binds two guest species selectively by its two independent cyclic host subunits.
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A metal free domino synthesis of 3-aroylindoles via two sp3 C-H activation

13 August, 2014 - 20:54

Chem. Commun., 2014, 50,10445-10447
DOI: 10.1039/C4CC04407J, CommunicationAnupal Gogoi, Anju Modi, Srimanta Guin, Saroj Kumar Rout, Debapratim Das, Bhisma K. Patel
A metal free synthesis of 3-aroylindole involving two sp3 C-H activation has been achieved starting from o-alkynyl-N,N-dialkylamines using TBAI-TBHP.
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Comparative STM studies of mixed ligand monolayers on gold nanoparticles in air and in 1-phenyloctane

13 August, 2014 - 20:54

Chem. Commun., 2014, 50,10456-10459
DOI: 10.1039/C4CC04114C, CommunicationQuy Khac Ong, Shun Zhao, Javier Reguera, Fabio Biscarini, Francesco Stellacci
Scanning tunnelling microscopy (STM) studies have found that stripe-like domains on gold nanoparticles (NPs) have the same characteristic length in air and in 1-phenyloctane.
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Directly utilizing an endogenous gene to dissect regulatory elements in the biosynthetic gene cluster of nosiheptide

13 August, 2014 - 20:54

Chem. Commun., 2014, 50,10430-10433
DOI: 10.1039/C4CC04974H, CommunicationMin Ma, Yanjiu Xue, Weiying Liu, Hong Zhang, Lingyi Kong, Shuzhen Wang, Yijun Chen
Coupling the deletion of an endogenous gene and a non-integrative promoter-probe vector allowed reliable identification of biosynthetic promoters of nosiheptide.
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Ultrafast electron injection at the cationic porphyrin-graphene interface assisted by molecular flattening

13 August, 2014 - 20:54

Chem. Commun., 2014, 50,10452-10455
DOI: 10.1039/C4CC04985C, CommunicationShawkat M. Aly, Manas R. Parida, Erkki Alarousu, Omar F. Mohammed
Steady-state and time-resolved data demonstrate the possibility of modulating the charge transfer rate between porphyrin and the graphene carboxylate surface.
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Unique ultrafast energy transfer in a series of phenylene-bridged subporphyrin-porphyrin hybrids

13 August, 2014 - 20:54

Chem. Commun., 2014, 50,10424-10426
DOI: 10.1039/C4CC04468A, CommunicationJuwon Oh, Jooyoung Sung, Masaaki Kitano, Yasuhide Inokuma, Atsuhiro Osuka, Dongho Kim
A series of phenylene-bridged subporphyrin-Zn(II) porphyrin (SubP-ZnP) hybrid systems undergo extraordinarily fast excitation energy transfer (EET) processes from the SubP to the ZnP, aided by conjugative electronic elongation of the SubP to the phenylene-bridge.
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The stereoselective synthesis of [small alpha]-amino aldols starting from terminal alkynes

13 August, 2014 - 20:54

Chem. Commun., 2014, 50,10474-10477
DOI: 10.1039/C4CC04786A, CommunicationTomoya Miura, Takayuki Nakamuro, Kentaro Hiraga, Masahiro Murakami
A new sequential procedure for the stereoselective synthesis of syn [small alpha]-amino [small beta]-oxy ketones starting from terminal alkynes has been developed.
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