Chem. Commun.

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Click chemistry promoted by graphene supported copper nanomaterials

21 October, 2014 - 14:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07774A, CommunicationAli Shaygan-Nia, Sravendra Rana, Diana Dohler, Xafier Noirfalise, Alice Belfiore, Wolfgang H Binder
A facile and robust approach for the synthesis of highly dispersed copper nanoparticles decorated graphene nanosheets is provided, useful as a recyclable and reusable heterogeneous catalyst with excellent catalytic activity...
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Effective separation of Am(III) and Eu(III) from HNO3 solutions using CyMe4-BTPhen-functionalized silica-coated magnetic nanoparticles

21 October, 2014 - 14:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07478E, CommunicationAshfaq Afsar, Laurence M. Harwood, Michael J. Hudson, Petr Distler, Jan John
It has been shown that CyMe4-BTPhen-functionalized silica-coated maghemite ([gamma]-Fe2O3) magnetic nanoparticles (MNPs) are capable of quantitative separation of Am(III) from Eu(III) from HNO3 solutions.
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N-terminal and C-terminal modulation of Hsp90 produce dissimilar phenotypes

21 October, 2014 - 14:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07284G, CommunicationY. Wang, S. R. McAlpine
Classic oncogenic heat shock protein 90 (Hsp90) inhibitors target the N-terminus of the protein, triggering a survival mechanism in cancer cells referred to as the heat shock response (HSR).
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Exploring a unique reactivity of N-heterocyclic carbenes (NHC) in rhodium(III)-catalyzed intermolecular C-H activation/annulation

21 October, 2014 - 14:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07170K, CommunicationDebasish Ghorai, Joyanta Choudhury
A unique directing-cum-functionalizing role of N-heterocyclic carbene (NHC) ligands is disclosed in a RhIII-catalyzed intermolecular annulation procedure.
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A high-accuracy universal polarimeter study of optical anisotropy and optical activity in laminated collagen membranes

21 October, 2014 - 14:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C3CC49328H, CommunicationKenta Nakagawa, Heather Harper-Lovelady, Yuji Tanaka, Masahito Tanaka, Masayuki Yamato, Toru Asahi
A novel method for fabricating anisotropic collagen membranes is developed. The HAUP method is used for simultaneous and quantitative evaluations of the optical anisotropy and optical activity.
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The solvent effect in an axially symmetric FeIII4 single-molecule magnet

21 October, 2014 - 14:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07580C, CommunicationYuan-Yuan Zhu, Ting-Ting Yin, Shang-Da Jiang, Anne-Laure Barra, Wolfgang Wernsdorfer, Petr Neugebauer, Raphael Marx, Maria Dorfel, Bing-Wu Wang, Zong-Quan Wu, Joris van Slageren, Song Gao
The axial symmetry of an FeIII4 SMM is broken by the interaction of the molecule with the disordered solvent molecules.
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Ligand-assisted etching: the stability of silver nanoparticles and the generation of luminescent silver nanodots

21 October, 2014 - 14:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07729F, CommunicationSungmoon Choi, Soonyoung Park, Junhua Yu
The etching mechanism of silver nanoparticles was investigated.
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Copper(I) 2-hydroxyethoxide-promoted cross-coupling of aryl- and alkenyldimethylsilanes with organic halides

21 October, 2014 - 14:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07371A, CommunicationTakeshi Takeda, Ryosuke Obata, Daisuke Muramatsu, Yuichiro Takeda, Akira Tsubouchi
The fluoride free cross-coupling between aryldimethylsilanes and organic halides proceeded in the presence of monocopper(I) alkoxide of ethylene glycol. The similar reaction of alkenyldimethylsilanes also took place with complete retention of configuration.
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Structural aesthetics in molecular nanoscience: a unique Ni26 cluster with a 'rabbit-face' topology and a discrete Ni18 'molecular chain'

21 October, 2014 - 14:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07192A, CommunicationAngeliki A. Athanasopoulou, Melanie Pilkington, Catherine P. Raptopoulou, Albert Escuer, Theocharis C. Stamatatos
The use of N-salicylidene-2-amino-5-chlorobenzoic acid as a ligand in Ni(II) chemistry has afforded a Ni26 cluster with a 'rabbit-face'-like topology, as well as a Ni18 compound with an unusual 'molecular chain' structure.
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Practical preparation of challenging amides from non-nucleophilic amines and esters under flow conditions

21 October, 2014 - 14:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07129H, CommunicationJohannes L. Vrijdag, Francisca Delgado, Nerea Alonso, Wim M. De Borggraeve, Natalia Perez-Macias, Jesus Alcazar
Preparation of amides from low nucleophilic heterocyclic amines is achieved in 2 minutes under mild conditions.
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Probing the importance of [small pi]-stacking interactions in DNA-templated self-assembly of bisfunctionalized guanidinium compounds

21 October, 2014 - 14:54

Chem. Commun., 2014, 50,14257-14260
DOI: 10.1039/C4CC05706F, CommunicationDelphine Paolantoni, Jenifer Rubio-Magnieto, Sonia Cantel, Jean Martinez, Pascal Dumy, Mathieu Surin, Sebastien Ulrich
Bisfunctionalized guanidiniums displaying aromatic side groups of varying size self-assemble with single-stranded DNA through phosphodiester backbone recognition and [small pi]-stacking interactions.
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A high rotational barrier for physisorbed hydrogen in an fcu-metal-organic framework

21 October, 2014 - 14:54

Chem. Commun., 2014, 50,14109-14112
DOI: 10.1039/C4CC05987E, CommunicationTony Pham, Katherine A. Forrest, Peter A. Georgiev, Wiebke Lohstroh, Dong-Xu Xue, Adam Hogan, Mohamed Eddaoudi, Brian Space, Juergen Eckert
INS and theoretical studies of H2 sorption in the fcu-metal-organic framework Y-FTZB reveals a high rotational barrier at the most favorable sorption site.
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Chiral metal phosphate catalysis: highly asymmetric hetero-Diels-Alder reactions

21 October, 2014 - 14:54

Chem. Commun., 2014, 50,14187-14190
DOI: 10.1039/C4CC06520D, CommunicationTao Liang, Guilong Li, Lukasz Wojtas, Jon C. Antilla
A highly enantioselective hetero-Diels-Alder reaction of [small alpha]-keto esters and isatins catalyzed by chiral calcium BINOL-derived phosphates (X-ray) is reported.
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Aptamer-mediated 'turn-off/turn-on' nanozyme activity of gold nanoparticles for kanamycin detection

21 October, 2014 - 14:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07275H, CommunicationTarun Kumar Sharma, Rajesh Ramanathan, Pabudi Weerathunge, Mahsa Mohammadtaheri, Hemant Kumar Daima, Ravi Shukla, Vipul Bansal
A new ultrafast and highly sensitive 'turn-off/turn-on' biosensing approach that combines the intrinsic peroxidase-like activity of gold nanoparticles (GNPs) with the high affinity and specificity of a ssDNA aptamer is presented.
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Bestowing structure upon the pores of a supramolecular network

21 October, 2014 - 14:54

Chem. Commun., 2014, 50,14175-14178
DOI: 10.1039/C4CC05934D, CommunicationBaharan Karamzadeh, Thomas Eaton, Izabela Cebula, David Munoz Torres, Markus Neuburger, Marcel Mayor, Manfred Buck
Trigonal molecules compartmentalise the pores of a supramolecular honeycomb network.
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Copper-mediated oxidative trifluoromethylthiolation of unactivated terminal alkenes

21 October, 2014 - 14:54

Chem. Commun., 2014, 50,14157-14160
DOI: 10.1039/C4CC07062C, CommunicationKe Zhang, Jian-Bo Liu, Feng-Ling Qing
An efficient method was developed for the preparation of allyl trifluoromethyl sulfides via copper-mediated oxidative trifluoromethylation of terminal alkenes.
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In situ study of reaction kinetics using compressed sensing NMR

21 October, 2014 - 14:54

Chem. Commun., 2014, 50,14137-14140
DOI: 10.1039/C4CC06051B, CommunicationYuting Wu, Carmine D'Agostino, Daniel J. Holland, Lynn F. Gladden
CS-NMR improves the temporal resolution of conventional multi-dimensional NMR for species identification and study of reaction kinetics.
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Label-free detection and discrimination of poly-brominated diphenylethers using molecularly imprinted photonic cross-reactive sensor arrays

21 October, 2014 - 14:54

Chem. Commun., 2014, 50,14133-14136
DOI: 10.1039/C4CC05810K, CommunicationDan Xu, Wei Zhu, Chen Wang, Tian Tian, Jian Li, Yue Lan, Guanxin Zhang, Deqing Zhang, Guangtao Li
Molecularly imprinted photonic polymers were used as sensing elements for efficiently creating a cross-reactive sensor array, as well as the sensitive and label-free detection of trace PBDEs was realized.
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Visualization of nitroxyl (HNO) in vivo via a lysosome-targetable near-infrared fluorescent probe

21 October, 2014 - 14:54

Chem. Commun., 2014, 50,14253-14256
DOI: 10.1039/C4CC07561G, CommunicationXiaotong Jing, Fabiao Yu, Lingxin Chen
We proposed a lysosome-targetable near-infrared fluorescent probe Lyso-JN for the detection of nitroxyl (HNO) in cells and in vivo.
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Reduction-triggered aromatic to aromatic electronic structure switching in tribenzotetraazachlorin-fullerene conjugates

21 October, 2014 - 14:54

Chem. Commun., 2014, 50,14269-14272
DOI: 10.1039/C4CC04689G, CommunicationTakamitsu Fukuda, Jun Sato, Naoaki Hashimoto, Nagao Kobayashi
Electronic absorption spectral changes observed during sodium reduction of a tribenzotetraazachlorin-fullerene conjugate have clarified that the aromatic nature of the conjugate has been retained even in the one-electron reduced form.
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