Chem. Commun.

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Synthesis of N-aryl-1-aminoindoles via intermolecular redox amination

5 October, 2014 - 09:54

Chem. Commun., 2014, 50,13056-13058
DOI: 10.1039/C4CC06369D, CommunicationKinthada Ramakumar, Jon A. Tunge
A redox amination strategy was developed for the synthesis of N-aryl-1-aminoindoles by N-N bond formation.
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A small-sized graphene oxide supramolecular assembly for targeted delivery of camptothecin

5 October, 2014 - 09:54

Chem. Commun., 2014, 50,13066-13069
DOI: 10.1039/C4CC04533E, CommunicationYing-Ming Zhang, Yu Cao, Yang Yang, Jia-Tong Chen, Yu Liu
A conjugated delivery system consisting of [small beta]-cyclodextrin modified graphene oxide, hyaluronated adamantane, and camptothecin was constructed, displaying a satisfactory stability and a higher curative effect toward tumor cells.
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Metal-metal redox synergy in selective B-H activation of ortho-carborane-9,12-dithiolate

5 October, 2014 - 09:54

Chem. Commun., 2014, 50,13077-13080
DOI: 10.1039/C4CC06171C, CommunicationXiaolei Zhang, Zhiwen Zhou, Hong Yan
Metal-metal redox synergy is introduced, for the first time, for B-H functionalization of inert dicarba-dodecaboranes under mild conditions in high yields.
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A microporous six-fold interpenetrated hydrogen-bonded organic framework for highly selective separation of C2H4/C2H6

5 October, 2014 - 09:54

Chem. Commun., 2014, 50,13081-13084
DOI: 10.1039/C4CC05506C, CommunicationPeng Li, Yabing He, Hadi D. Arman, Rajamani Krishna, Hailong Wang, Linhong Weng, Banglin Chen
A unique six-fold interpenetrated hydrogen-bonded organic framework (HOF-4) has been constructed for highly selective separation of C2H4/C2H6 at room temperature and normal pressure.
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Genetically encoded unstrained olefins for live cell labeling with tetrazine dyes

5 October, 2014 - 09:54

Chem. Commun., 2014, 50,13085-13088
DOI: 10.1039/C4CC06435F, CommunicationYan-Jiun Lee, Yadagiri Kurra, Yanyan Yang, Jessica Torres-Kolbus, Alexander Deiters, Wenshe R. Liu
A number of non-canonical amino acids (NCAAs) with unstrained olefins are genetically encoded using mutant pyrrolysyl-tRNA synthetase-tRNAPylCUA pairs for catalyst-free labeling with tetrazine dyes.
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Graphene oxide membranes with tunable permeability due to embedded carbon dots

5 October, 2014 - 09:54

Chem. Commun., 2014, 50,13089-13092
DOI: 10.1039/C4CC05295A, CommunicationWentai Wang, Ehsan Eftekhari, Guangshan Zhu, Xiwang Zhang, Zifeng Yan, Qin Li
CDs-GO membranes with tunable permeation were fabricated by embedding carbon dots (CDs) between graphene oxide (GO) nanosheets.
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The crucial roles of MgCl2 as a non-innocent additive in the Ni-catalyzed carboxylation of benzyl halide with CO2

5 October, 2014 - 09:54

Chem. Commun., 2014, 50,13026-13029
DOI: 10.1039/C4CC04962D, CommunicationFareed Bhasha Sayyed, Shigeyoshi Sakaki
MgCl2 accelerates the CO2 insertion as a non-innocent additive and the one-electron reduction process as one reagent in the Ni-catalyzed carboxylation of benzyl chloride with CO2.
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Sensitive quantification of messenger RNA with a real-time ligase chain reaction by using a ribonucleotide-modified DNA probe

5 October, 2014 - 09:54

Chem. Commun., 2014, 50,13093-13095
DOI: 10.1039/C4CC05102E, CommunicationYanlei Hu, Hongxia Jia, Yucong Wang, Yongqiang Cheng, Zhengping Li
A highly sensitive and specific mRNA assay is developed with a real-time fluorescence LCR by using a ribonucleotide-modified DNA probe.
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The role of carbonate as a catalyst of Fenton-like reactions in AOP processes: CO3[radical dot]- as the active intermediate

5 October, 2014 - 09:54

Chem. Commun., 2014, 50,13096-13099
DOI: 10.1039/C4CC05852F, CommunicationAriela Burg, Dror Shamir, Inna Shusterman, Haya Kornweitz, Dan Meyerstein
The reaction Co(H2O)62+ + H2O2 proceeds via a transient that decomposes into CoII(H2O)(OOH)(OH)2 + CO3[radical dot]-. Plausible biological implications are pointed out.
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A short synthetic route towards merosesquiterpenes with a benzoxanthene skeleton

5 October, 2014 - 09:54

Chem. Commun., 2014, 50,13100-13102
DOI: 10.1039/C4CC05116E, CommunicationAntonio Fernandez, Esteban Alvarez, Ramon Alvarez-Manzaneda, Rachid Chahboun, Enrique Alvarez-Manzaneda
A short synthetic sequence for the preparation of merosesquiterpenes with a benzoxanthene skeleton starting from (-)-sclareol is reported. The D ring of the target compound is obtained through a Diels-Alder cycloaddition.
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One-pot synthesized DNA-templated Ag/Pt bimetallic nanoclusters as peroxidase mimics for colorimetric detection of thrombin

5 October, 2014 - 09:54

Chem. Commun., 2014, 50,13103-13106
DOI: 10.1039/C4CC05339G, CommunicationCheng Zheng, Ai-Xian Zheng, Bo Liu, Xiao-Long Zhang, Yu He, Juan Li, Huang-Hao Yang, Guonan Chen
One-pot synthesized DNA-templated Ag/Pt bimetallic nanoclusters possess highly-efficient peroxidase-like catalytic activity and are applied to design a colorimetric aptasensor for the protein detection with high sensitivity and selectivity.
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Tb3+-triggered luminescence in a supramolecular gel and its use as a fluorescent chemoprobe for proteins containing alanine

5 October, 2014 - 09:54

Chem. Commun., 2014, 50,13107-13110
DOI: 10.1039/C4CC06074A, CommunicationSung Ho Jung, Ka Young Kim, Dong Kyun Woo, Shim Sung Lee, Jong Hwa Jung
A tetracarboxylic acid-appended thiacalix[4]arene-based ligand with Tb3+ formed a supramolecular gel which showed novel fluorogenic sensor capability for probing alanine and proteins containing alanine.
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Acidic microenvironment triggered release of a Cys probe from the cavity of a water-soluble pillar[5]arene

5 October, 2014 - 09:54

Chem. Commun., 2014, 50,13114-13116
DOI: 10.1039/C4CC05935B, CommunicationPi Wang, Zhengtao Li, Xiaofan Ji
A Cys probe is prepared. It can be included into the cavity of a water-soluble pillar[5]arene. This WP5[superset]probe complex shows no response toward Cys under neutral conditions in water, while the release of the Cys probe can be realized in an acidic microenvironment.
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Playing peekaboo with graphene oxide: a scanning electrochemical microscopy investigation

5 October, 2014 - 09:54

Chem. Commun., 2014, 50,13117-13120
DOI: 10.1039/C4CC06368F, CommunicationStefania Rapino, Emanuele Treossi, Vincenzo Palermo, Massimo Marcaccio, Francesco Paolucci, Francesco Zerbetto
Electrostatic interactions with the molecular mediator control imaging of graphene oxide by scanning electrochemical microscopy.
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Chemical Reaction-Induced Multi-molecular Polarization (CRIMP)

5 October, 2014 - 09:54

Chem. Commun., 2014, 50,13030-13033
DOI: 10.1039/C4CC06199C, CommunicationY. Lee, N. M. Zacharias, D. Piwnica-Worms, P. K. Bhattacharya
Here we present a novel hyperpolarization method, Chemical Reaction-Induced Multi-molecular Polarization (CRIMP), which could be applied to the study of several in vivo processes simultaneously including glycolysis, TCA cycle, fatty acid synthesis and pH mapping.
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CO2 and SO2 activation by a Cr-Cr quintuple bond

5 October, 2014 - 09:54

Chem. Commun., 2014, 50,13127-13130
DOI: 10.1039/C4CC05071A, CommunicationAwal Noor, Sadaf Qayyum, Tobias Bauer, Stefan Schwarz, Birgit Weber, Rhett Kempe
A quintuply bonded dichromium complex stabilized by aminopyridinato ligands activates CO2 and SO2 by reducing the (formal) bond order of the metal-metal bonds.
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p-Toluenesulphonic acid-promoted, I2-catalysed sulphenylation of pyrazolones with aryl sulphonyl hydrazides

5 October, 2014 - 09:54

Chem. Commun., 2014, 50,13121-13123
DOI: 10.1039/C4CC05237D, CommunicationXia Zhao, Lipeng Zhang, Tianjiao Li, Guiyan Liu, Haomeng Wang, Kui Lu
A p-toluenesulphonic acid promoted, iodine catalyzed direct sulphenylation reaction of pyrazolones with aryl sulphonyl hydrazides has been developed.
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A highly active PtCu3 intermetallic core-shell, multilayered Pt-skin, carbon embedded electrocatalyst produced by a scale-up sol-gel synthesis

5 October, 2014 - 09:54

Chem. Commun., 2014, 50,13124-13126
DOI: 10.1039/C4CC05637J, CommunicationM. Bele, P. Jovanovic, A. Pavlisic, B. Jozinovic, M. Zorko, A. Recnik, E. Chernyshova, S. Hocevar, N. Hodnik, M. Gaberscek
We present a novel, scaled-up sol-gel synthesis which enables one to produce 20 g batches of highly active and stable carbon supported PtCu3 nanoparticles as cathode materials for low temperature fuel cell application.
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Catalytic imine-imine cross-coupling reactions

5 October, 2014 - 09:54

Chem. Commun., 2014, 50,13041-13044
DOI: 10.1039/C4CC06156J, CommunicationMasatoshi Matsumoto, Masashi Harada, Yasuhiro Yamashita, Shu Kobayashi
Base-catalyzed efficient imine-imine cross-coupling reactions using an imine bearing 9-fluorenyl moiety have been developed.
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Molybdenum carbide stabilized on graphene with high electrocatalytic activity for hydrogen evolution reaction

5 October, 2014 - 09:54

Chem. Commun., 2014, 50,13135-13137
DOI: 10.1039/C4CC05698A, CommunicationLin Feng Pan, Yu Hang Li, Shuang Yang, Peng Fei Liu, Ming Quan Yu, Hua Gui Yang
Molybdenum carbide stabilized by a carbon layer on graphene exhibits excellent electrocatalytic activity for the hydrogen evolution reaction.
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