Chem. Commun.

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Ebselen as a potent covalent inhibitor of New Delhi metallo-[small beta]-lactamase (NDM-1)

27 May, 2015 - 20:17

Chem. Commun., 2015, 51,9543-9546
DOI: 10.1039/C5CC02594J, CommunicationJiachi Chiou, Shengbiao Wan, Kin-Fai Chan, Pui-Kin So, Dandan He, Edward Wai-chi Chan, Tak-hang Chan, Kwok-yin Wong, Jiang Tao, Sheng Chen
We identified a potent NDM-1 inhibitor that formed a S-Se bond with the Cys221 residue at the active site, thereby exhibiting a new inhibition mechanism with broad spectrum inhibitory potential.
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Iron-catalyzed aerobic C-H functionalization of pyrrolones

27 May, 2015 - 20:17

Chem. Commun., 2015, 51,9531-9534
DOI: 10.1039/C5CC01425E, CommunicationLi-wei Liu, Zhen-zhen Wang, Hui-hui Zhang, Wan-shu Wang, Ji-zong Zhang, Yu Tang
The aerobic oxidation of pyrrolones catalyzed by Fe(OTf)3 to form reactive N-acyliminium ion intermediates that undergo nucleophilic additions to give the corresponding products is described.
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Inverse regioselectivity in the silylstannylation of alkynes and allenes: copper-catalyzed three-component coupling with a silylborane and a tin alkoxide

27 May, 2015 - 20:17

Chem. Commun., 2015, 51,9440-9442
DOI: 10.1039/C5CC01856K, CommunicationH. Yoshida, Y. Hayashi, Y. Ito, K. Takaki
Three-component silylstannylation of alkynes and allenes has been found to take place facilely by use of a silylborane and a tin alkoxide under copper catalysis. The regioselectivities become totally inverse to those of the previous palladium-catalyzed silylstannylation.
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Cisplatin binding to human serum albumin: a structural study

27 May, 2015 - 20:17

Chem. Commun., 2015, 51,9436-9439
DOI: 10.1039/C5CC01751C, CommunicationGiarita Ferraro, Lara Massai, Luigi Messori, Antonello Merlino
The reaction between cisplatin and human serum albumin (HSA) was investigated by X-ray crystallography and crystal structures of the cisplatin/HSA adduct were eventually solved for the first time.
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Oxidation of carbon monoxide in basic solution catalyzed by nickel cyano carbonyls under ambient conditions and the prototype of a CO-powered alkaline fuel cell

27 May, 2015 - 20:17

Chem. Commun., 2015, 51,9432-9435
DOI: 10.1039/C5CC01872B, CommunicationWenfeng Lo, Chunhua Hu, Tyler Berenson, Nathaniel Tracer, Daniel Shlian, Michael Khaloo, Avraham Benhaim, Jianfeng Jiang
Nickel cyano carbonyl catalyzed carbon monoxide oxidation in basic solution under ambient conditions.
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Nitroarene reduction: a trusted model reaction to test nanoparticle catalysts

27 May, 2015 - 20:17

Chem. Commun., 2015, 51,9410-9431
DOI: 10.1039/C5CC01131K, Feature ArticleTeresa Aditya, Anjali Pal, Tarasankar Pal
Spectrophotometric monitoring of nitrophenol reduction to aminophenol in the presence of nanoparticle catalysts becomes a universal reaction to test a nanocatalyst.
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Improving mediated electron transport in anodic bioelectrocatalysis

25 May, 2015 - 19:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC03188E, CommunicationXin Wang, Le Tao, Haibo Wang, Mingshi Xie, Larissa Thia, Wei Ning Chen
A novel design of microbial fuel cell is realized by constructing bio-cocatalyst beads immobilized with engineered riboflavin-secreting Escherichia coli cells and decoupling them from anodic biocatalyst. Microbial fuel cell loaded...
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Metabolic Remodeling of Bacterial Surfaces via Tetrazine Ligations

25 May, 2015 - 19:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC01693B, CommunicationSean Pidgeon, Marcos Moura Pires
Bioorthogonal click ligations are widely used for the introduction of functional groups in biological samples. Tetrazine ligations are attractive in that they are catalyst-free and display superior kinetics. We describe...
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Nitrogen Doped Thiol Functionalized Carbon Dots for Ultrasensitive Hg (II) Detection

25 May, 2015 - 19:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC03019F, CommunicationAbhishek Gupta, Abhishek Chaudhary, Pooja Mehta, Charu Dwivedi, Syamantak Khan, Navneet Chandra Verma, Chayan Kanti Nandi
Nitrogen doped PEGylated carbon dots (C-dots) have been synthesized for the detection of mercury ions (Hg2+). The detection limit was found to be 6.8 nM, however upon functionalization with dithiothreitol...
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Photoelectrochemical operation of a surface-bound, nickel-phosphine H2 evolution catalyst on p-Si(111): a molecular semiconductor|catalyst construct

25 May, 2015 - 19:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC02802G, CommunicationJunhyeok Seo, Ryan T. Pekarek, Michael J. Rose
A molecular DuBois-type H2 catalyst (Ni-PNP) has been covalently attached to a p-Si(111) photocathode as a molecular semiconductor|catalyst construct.
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pH switchable anion transport by an oxothiosquaramide

25 May, 2015 - 19:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC03625A, CommunicationRobert B. P. Elmes, Nathalie Busschaert, Dawid D. Czech, Philip A. Gale, Katrina A. Jolliffe
An oxothiosquaramide was shown to bind to chloride through hydrogen bonding interactions in DMSO and found to exhibit pH switchable chloride transport across phospholipid bilayers via an antiport transport mechanism.
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Ruthenium-catalyzed decarbonylative addition reaction of anhydrides with alkynes: a facile synthesis of isocoumarins and [small alpha]-pyrones

25 May, 2015 - 19:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC03311J, CommunicationRashmi Prakash, Kommuri Shekarrao, Sanjib Gogoi, Romesh C. Boruah
The first example of a ruthenium catalyzed decarbonylative addition reaction of anhydrides with disubstituted alkynes is reported.
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Simultaneous self-exfoliation and autonomous motion of MoS2 particles in water

25 May, 2015 - 19:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC03401A, CommunicationHong Wang, Zdenek Sofer, James Guo Sheng Moo, Martin Pumera
A MoS2 based motor that can display simultaneous self-exfoliation and autonomous motion at the surface of water was developed.
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Ruthenium Bipyridyl Tethered Porous Organosilica: A Versatile, Durable and Reusable Heterogeneous Photocatalyst

25 May, 2015 - 19:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC03067F, CommunicationAvijit Jana, John Mondal, Parijat Borah, Sujan Mondal, Asim Bhaumik, Yanli Zhao
A versatile heterogeneous photocatalysis protocol was developed by using ruthenium bipyridyl tethered porous organosilica (Ru-POS). The versatility of the Ru-POS catalyst in organo-photocatalysis was explored by (i) oxidative aromatization of...
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Synthesis of enantioenriched 1,2-trans-diamines using the borono-Mannich reaction with N-protected [small alpha]-amino aldehydes

25 May, 2015 - 19:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC01716E, CommunicationStephanie Norsikian, Margaux Beretta, Alexandre Cannillo, Amelie Martin, Pascal Retailleau, Jean-Marie Beau
The three-component Petasis borono-Mannich reaction starting with easily accessible N-protected [small alpha]-amino aldehydes produces efficiently and diastereoselectively 1,2-trans-diamines with an enantiomeric excess of up to 98%.
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Polymerization of low molecular weight hydrogelators to form electrochromic polymers

25 May, 2015 - 19:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC03053F, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Peter Kubiak, Salmah Awhida, Christopher Hotchen, Wentao Deng, Ben Michael Alston, Tom Oliver McDonald, Dave John Adams, Petra Jane Cameron
We present a method for the polymerization of low molecular weight hydrogelators to form polymers with unique structures. Carbazole-protected amino acids are shown to form hydrogels by self-assembly into fibrous...
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Light Induced E-Z Isomerization in a Multi-responsive Organogel : Elucidation from 1H NMR Spectroscopy

25 May, 2015 - 19:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC03609G, CommunicationArun K. Nandi, Sanjoy Mondal, P. Chakraborty, Partha Bairi, Dhruba P. Chatterjee
A multiresponsive organogel of (E) -N'-(anthracene-10-ylmethylene)-3,4,5-tris(dodecyloxy) benzohydrazide (I) shows a decrease of fluorescence intensity, decrease of mechanical strength and change in gel morphology on irradiation with a wavelength of 365nm....
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A Novel Azopyridine-based Ru(II) Complex with GSH-responsive DNA Photobinding Ability

25 May, 2015 - 19:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC03291A, CommunicationQian-Xiong Zhou, Yue Zheng, Tian-Ji Wang, Yong-Jie Chen, Ke Li, Yangyang Zhang, chao li, Yuan-Jun Hou, Xuesong Wang
A novel azopyridine-based Ru(II) complex [Ru(bpy)2(L1)2]2+ (bpy = 2,2'-bipyridine, L1 = 4,4'-azopyridine) was designed and synthesized as a potential glutathione (GSH)-responsive photoactivated chemotherapy (PACT) agent, the DNA covalent binding capability...
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H-Bonding and Charging Mediated Aggregation and Emission for Fluorescence Turn-on Detection of Hydrazine Hydrate

25 May, 2015 - 19:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC02897C, Communicationxuan sun, Deyan Zhou, Yangyang Wang, Jiong Jia, Wenzhu Yu, Baofeng Qu, Xia Li
In situ morphological transition and turn-on fluorescence of self-assembly of NDI derivative driven by hydrazine hydrate are realized through H-bonding and charging of the aromatic building blocks, demonstrating a stimuli-responsive...
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Silicon Nanowire Arrays Coupled with Cobalt Phosphide Spheres as a Low-Cost Photocathode for Efficient Solar Hydrogen Evolution

25 May, 2015 - 19:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC02331A, CommunicationXiao-Qing Bao, M. Fatima Cerqueira, Pedro Alpuim, Lifeng Liu
We demonstrate the first example of silicon nanowire array photocathodes coupled with hollow spheres of the emerging earth-abundant cobalt phosphide catalysts. Compared to bare silicon nanowire arrays, the hybrid electrodes...
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