Chem. Commun.

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Synthesis of 1-(2,3-dihydrobenzofuran-3-yl)-methanesulfonohydrazides through insertion of sulfur dioxide

11 September, 2014 - 03:54

Chem. Commun., 2014, 50,11746-11748
DOI: 10.1039/C4CC05401F, CommunicationYuanyuan An, Danqing Zheng, Jie Wu
A three-component reaction of 2-(allyloxy)anilines, sulfur dioxide and hydrazines under mild conditions is developed, which gives rise to 1-(2,3-dihydrobenzofuran-3-yl)-methanesulfonohydrazides in good yields. This radical process involves an intramolecular 5-exo-cyclization and insertion of sulfur dioxide.
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Deep eutectic solvents as novel extraction media for phenolic compounds from model oil

11 September, 2014 - 03:54

Chem. Commun., 2014, 50,11749-11752
DOI: 10.1039/C4CC04661G, CommunicationTongnian Gu, Mingliang Zhang, Ting Tan, Jia Chen, Zhan Li, Qinghua Zhang, Hongdeng Qiu
Deep eutectic solvents (DESs) as a new kind of green solvent were used for the first time to excellently extract phenolic compounds from model oil. It was also proved that DES could be used to extract other polar compounds from non-polar or weakly-polar solvents by liquid-phase microextraction.
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Molybdenum phosphide: a new highly efficient catalyst for the electrochemical hydrogen evolution reaction

11 September, 2014 - 03:54

Chem. Commun., 2014, 50,11683-11685
DOI: 10.1039/C4CC05936K, CommunicationXiaobo Chen, Dezhi Wang, Zhiping Wang, Pan Zhou, Zhuangzhi Wu, Feng Jiang
Molybdenum phosphide was adopted as a new electrocatalyst for the hydrogen evolution reaction for the first time, exhibiting an excellent electrocatalytic activity with a small Tafel slope of 60 mV dec-1, which is amongst the most active, acid-stable, earth abundant HER electrocatalysts reported to date.
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Storable N-phenylcarbamate palladacycles for rapid functionalization of an alkyne-encoded protein

11 September, 2014 - 03:54

Chem. Commun., 2014, 50,11679-11682
DOI: 10.1039/C4CC02969K, CommunicationGang Cheng, Reyna K. V. Lim, Carlo P. Ramil, Qing Lin
Here we report the synthesis of storable N-phenylcarbamate palladacycles that showed robust reactivity in the cross-coupling reactions with an alkyne-encoded protein with a second-order rate constant approaching 19 770 +/- 930 M-1 s-1.
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The copper(I)-catalyzed tandem reaction of o-alkynylphenyl isothiocyanates with isocyanides: a rapid synthesis of 5H-benzo[d]imidazo[5,1-b][1,3]thiazines

11 September, 2014 - 03:54

Chem. Commun., 2014, 50,11686-11689
DOI: 10.1039/C4CC04057K, CommunicationWenyan Hao, Jiangbo Zeng, Mingzhong Cai
An efficient route to 5H-benzo[d]imidazo[5,1-b][1,3]thiazines has been developed using the copper(I)-catalyzed tandem reaction of o-alkynylphenyl isothiocyanates with isocyanides in THF with Cs2CO3 as base.
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Conformal sulfated zirconia monolayer catalysts for the one-pot synthesis of ethyl levulinate from glucose

11 September, 2014 - 03:54

Chem. Commun., 2014, 50,11742-11745
DOI: 10.1039/C4CC04594G, CommunicationGabriel Morales, Amin Osatiashtiani, Blanca Hernandez, Jose Iglesias, Juan A. Melero, Marta Paniagua, D. Robert Brown, Marta Granollers, Adam F. Lee, Karen Wilson
Here we describe a simple route to creating conformal sulphated zirconia monolayers throughout an SBA-15 architecture that confers efficient acid-catalysed one-pot conversion of glucose to ethyl levulinate.
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Electrochemical control of a non-covalent binding between ferrocene and beta-cyclodextrin

11 September, 2014 - 03:54

Chem. Commun., 2014, 50,11757-11759
DOI: 10.1039/C4CC04102J, CommunicationV. Kolivoska, M. Mohos, I. V. Pobelov, S. Rohrbach, K. Yoshida, W. J. Hong, Y. C. Fu, P. Moreno-Garcia, G. Meszaros, P. Broekmann, M. Hromadova, R. Sokolova, M. Valasek, Th. Wandlowski
Atomic force spectroscopy of a host-guest non-covalent complex in two different alkanethiol matrices under electrochemical conditions.
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Classical and non-classical redox reactions of Pd(II) complexes containing redox-active ligands

11 September, 2014 - 03:54

Chem. Commun., 2014, 50,11676-11678
DOI: 10.1039/C4CC04863F, CommunicationCorey A. Sanz, Michael J. Ferguson, Robert McDonald, Brian O. Patrick, Robin G. Hicks
Chemical reactions of a verdazyl radical-palladium complex reveal the verdazyl's functionality as a redox-active ligand and a "cooperative" (acido-basic) ligand.
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A Nile Red/BODIPY-based bimodal probe sensitive to changes in the micropolarity and microviscosity of the endoplasmic reticulum

11 September, 2014 - 03:54

Chem. Commun., 2014, 50,11672-11675
DOI: 10.1039/C4CC04915B, CommunicationZhigang Yang, Yanxia He, Jae Hong Lee, Weon-Sik Chae, Wen Xiu Ren, Joung Hae Lee, Chulhun Kang, Jong Seung Kim
A fluorescent bimodal chemosensor was developed to determine ER viscosity and polarity changes during ER stress caused by tunicamycin.
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Promising two-photon probes for in vivo detection of [small beta] amyloid deposits

11 September, 2014 - 03:54

Chem. Commun., 2014, 50,11694-11697
DOI: 10.1039/C4CC03897E, CommunicationN. Arul Murugan, Robert Zalesny, Jacob Kongsted, Agneta Nordberg, Hans Agren
A novel relationship between the charge-transfer descriptor, [capital Delta]r, and two-photon absorption cross-sections in NIRF probes.
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Gas-phase synthesis and reactivity of Cu+-benzyne complexes

11 September, 2014 - 03:54

Chem. Commun., 2014, 50,11668-11671
DOI: 10.1039/C4CC04168B, CommunicationYunfeng Chai, Shanshan Shen, Guofeng Weng, Yuanjiang Pan
Cu+-benzyne complexes bearing ligands (L) were synthesized and their addition reactivity was studied in the gas phase using electrospray ionization ion trap mass spectrometry.
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Enzymatic size control of RNA particles using complementary rolling circle transcription (cRCT) method for efficient siRNA production

11 September, 2014 - 03:54

Chem. Commun., 2014, 50,11665-11667
DOI: 10.1039/C4CC04969A, CommunicationDaehoon Han, Yongkuk Park, Hyangsu Nam, Jong Bum Lee
A novel method to generate RNA particles was developed and the size of particles can be rationally controlled by adjusting the concentration of RNA polymerase.
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Preparation of highly substituted ([small beta]-acylamino)acrylates via iron-catalyzed alkoxycarbonylation of N-vinylacetamides with carbazates

11 September, 2014 - 03:54

Chem. Commun., 2014, 50,11661-11664
DOI: 10.1039/C4CC05338A, CommunicationRan Ding, Qiu-Chi Zhang, Yun-He Xu, Teck-Peng Loh
A simple and efficient iron-catalyst system was applied for the synthesis of various ([small beta]-acylamino)acrylate derivatives under mild reaction conditions.
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To assemble or fold?

11 September, 2014 - 03:54

Chem. Commun., 2014, 50,11657-11660
DOI: 10.1039/C4CC05429F, CommunicationAnindita Das, Suhrit Ghosh
A donor-acceptor foldamer exhibits intra-chain folding by charge-transfer interaction, which further assembles to reverse vesicles by H-bonding and [small pi]-[small pi] stacking.
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Non-covalent double functionalization of carbon nanotubes with a NADH oxidation Ru(II)-based molecular catalyst and a NAD-dependent glucose dehydrogenase

11 September, 2014 - 03:54

Chem. Commun., 2014, 50,11731-11734
DOI: 10.1039/C4CC04758C, CommunicationB. Reuillard, A. Le Goff, S. Cosnier
Functionalization of carbon nanotube electrodes by glucose dehydrogenase and a ruthenium complex as a NADH electrocatalyst via [small pi]-stacking interactions.
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Sub-10 nm Au-Pt-Pd alloy trimetallic nanoparticles with a high oxidation-resistant property as efficient and durable VOC oxidation catalysts

11 September, 2014 - 03:54

Chem. Commun., 2014, 50,11713-11716
DOI: 10.1039/C4CC04596C, CommunicationPeisheng Qiao, Shaodan Xu, Dejiong Zhang, Renhong Li, Shihui Zou, Juanjuan Liu, Wuzhong Yi, Jixue Li, Jie Fan
Sub-10 nm AuPtPd alloy trimetallic nanoparticles with a high oxidation-resistant property were prepared by photo-deposition followed by a high temperature (700-900 [degree]C) air annealing process.
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Isomerisation of 1,4-dichlorobenzene using highly acidic alkali chloroaluminate melts

11 September, 2014 - 03:54

Chem. Commun., 2014, 50,11705-11708
DOI: 10.1039/C4CC04910A, CommunicationJ. Messner, P. S. Schulz, N. Taccardi, Sven Kuhlmann, P. Wasserscheid
The isomerisation reaction of 1,4-dichlorobenzene leading to the thermodynamically favoured and technically desired 1,3-dichlorobenzene has been studied comparing highly acidic chloroaluminate melts with organic imidazolium and alkali metal ions.
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Rapid engineering of versatile molecular logic gates using heterologous genetic transcriptional modules

11 September, 2014 - 03:54

Chem. Commun., 2014, 50,11642-11644
DOI: 10.1039/C4CC05264A, CommunicationBaojun Wang, Martin Buck
Versatile modular molecular logic gates are engineered in Escherichia coli bacteria that can sense and integrate multiple chemical molecules in customised digital logic manner.
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Stimuli-responsive cancer therapy based on nanoparticles

11 September, 2014 - 03:54

Chem. Commun., 2014, 50,11614-11630
DOI: 10.1039/C4CC03984J, Feature ArticleJing Yu, Xin Chu, Yanglong Hou
Nanoparticle (NP)-based stimuli-sensitive cancer therapy, including pH-, reduction-sensitive NPs and light-, magnetic field-responsive NPs are reviewed.
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Block copolymer self-assembly controlled by the "green" gas stimulus of carbon dioxide

11 September, 2014 - 03:54

Chem. Commun., 2014, 50,11631-11641
DOI: 10.1039/C4CC03412K, Feature ArticleQiang Yan, Yue Zhao
CO2 can act as a "green" stimulus to precisely tune the self-assembly of block copolymers.
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