Chem. Commun.

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Bio-inspired synthesis of rare and unnatural carbohydrates and cyclitols through strain driven epimerization

2 June, 2014 - 02:54

Chem. Commun., 2014, 50,6707-6710
DOI: 10.1039/C4CC00868E, CommunicationRaja Mohanrao, Aromal Asokan, Kana M. Sureshan
Bio-inspired isomerization of carbohydrates and cyclitols to their rare and unnatural isomers, through strain-driven epimerization of trans-ketals to cis-ketals, is introduced.
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Toehold-mediated DNA logic gates based on host-guest DNA-GNPs

29 May, 2014 - 01:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC01883D, CommunicationYizhen Liu, Boran Dong, Zitong Wu, Wei Fang, Guohua Zhou, Aiguo Shen, Xiaodong Zhou, Jiming Hu
A simple, toehold-mediated two-way input DNA machine has been developed. Utilizing symmetric and asymmetric protector sequences, INH, XOR logic gates and a half-subtractor are designed based on this two-way structure.
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Organic nanospheres with an internal bicontinuous structure and their responsive phase inversion

29 May, 2014 - 01:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC01377H, CommunicationZhenhua Ju, Junpo He
Responsive nanospheres with an internal bicontinuous structure and shape changing ability through phase inversion were obtained through hierarchical self-assembly of a dendritic block terpolymer in selective solvents.
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A highly efficient mesoscopic solar cell based on CH3NH3PbI3-xClx fabricated via sequential solution deposition

29 May, 2014 - 01:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC01962H, CommunicationYingzhuang Ma, Lingling Zheng, Yao-Hsien Chung, Saisai Chu, Lixin Xiao, Zhijian Chen, Shufeng Wang, Bo Qu, Qihuang Gong, Zhaoxin Wu, Xun Hou
A mixed halide perovskite of CH3NH3PbI3-xClx is synthesized via sequential solution deposition by using a mixture of PbCl2 and PbI2 as the precursor with 11.7% power conversion efficiency for the mesoscopic cell.
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Chiral magnesium(II)-catalyzed asymmetric ring-opening of meso-aziridines with primary alcohols

29 May, 2014 - 01:54

Chem. Commun., 2014, 50,6672-6674
DOI: 10.1039/C4CC02206H, CommunicationJun Li, Yuting Liao, Yulong Zhang, Xiaohua Liu, Lili Lin, Xiaoming Feng
The asymmetric ring-opening of meso-aziridines with primary alcohols is realized using an N,N[prime or minute]-dioxide-Mg(OTf)2 complex as the catalyst. The desired vicinal trans-[small beta]-amino ethers are afforded in good yields and enantioselectivities. Aniline and water could also be used as the nucleophiles for the ring-opening in an identical catalyst system.
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Solid-state polymerization in a polyrotaxane coordination polymer via a [2+2] cycloaddition reaction

29 May, 2014 - 01:54

Chem. Commun., 2014, 50,6585-6588
DOI: 10.1039/C4CC02080D, CommunicationIn-Hyeok Park, Raghavender Medishetty, Shim Sung Lee, Jagadese J. Vittal
A photochemical [2+2] cycloaddition reaction of a 2-fold entangled polyrotaxane 2D structure produced a 3D framework containing a cyclobutane polymer ligand.
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Highly conductive, flexible and scalable graphene hybrid thin films with controlled domain size as transparent electrodes

29 May, 2014 - 01:54

Chem. Commun., 2014, 50,6645-6648
DOI: 10.1039/C4CC01302F, CommunicationKeun-Young Shin, Jyongsik Jang
A novel approach to fabricate highly conductive, flexible and large-scale graphene thin films with uniformity for use as transparent electrodes is explored using a mechanochemical process and screen printing.
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Spin transport properties of triarylamine-based nanowires

29 May, 2014 - 01:54

Chem. Commun., 2014, 50,6626-6629
DOI: 10.1039/C4CC01710B, CommunicationSandip Bhattacharya, Akinlolu Akande, Stefano Sanvito
Triarylamine-derivatives can self-assemble upon light irradiation in one-dimensional nanowires with remarkable hole transport properties. Here we present the spin transport properties of these nanowires evaluated from a rigorous multiscale procedure.
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A Rh-catalyzed regio- and stereoselective route to enamides: benzamides as assembling reagents

29 May, 2014 - 01:54

Chem. Commun., 2014, 50,6620-6622
DOI: 10.1039/C4CC02155J, CommunicationDong Jin Lee, Jinhwan Shin, Eun Jeong Yoo
A new protocol for the synthesis of Z-enamides has been achieved with a diverse range of benzamides and 1-sulfonyl-1,2,3-triazoles.
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Hydrotrifluoromethylthiolation of [small alpha]-diazo esters - synthesis of [small alpha]-SCF3 substituted esters

29 May, 2014 - 01:54

Chem. Commun., 2014, 50,6617-6619
DOI: 10.1039/C4CC02060J, CommunicationQuentin Lefebvre, Eleonora Fava, Pavlo Nikolaienko, Magnus Rueping
A practical protocol for hydrotrifluoromethylthiolation of diazo compounds has been developed.
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A macrophage uptaking near-infrared chemical probe CDnir7 for in vivo imaging of inflammation

29 May, 2014 - 01:54

Chem. Commun., 2014, 50,6589-6591
DOI: 10.1039/C4CC02038C, CommunicationNam-Young Kang, Sung-Jin Park, Xiao Wei Emmiline Ang, Animesh Samanta, Wouter H. P. Driessen, Vasilis Ntziachristos, Kristine O. Vasquez, Jeffrey D. Peterson, Seong-Wook Yun, Young-Tae Chang
Using DOFLA, a novel fluorescent NIR macrophages probe, CDnir7 was developed and its in vivo imaging of macrophages is demonstrated in the inflammation animal model. Upon tail vein injection, CDnir7 accesses and detects the change of macrophages with near infrared fluorescence imaging.
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A cobalt(II) bis(salicylate)-based ionic liquid that shows thermoresponsive and selective water coordination

29 May, 2014 - 01:54

Chem. Commun., 2014, 50,6633-6636
DOI: 10.1039/C4CC01023J, CommunicationYuki Kohno, Matthew G. Cowan, Miyuki Masuda, Indrani Bhowmick, Matthew P. Shores, Douglas L. Gin, Richard D. Noble
A metal-containing ionic liquid (MCIL) has been prepared in which the [CoII(salicylate)2]2- anion is able to selectively coordinate two water molecules with a visible colour change, even in the presence of alcohols.
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Vesicles composed of one simple single-tailed surfactant

29 May, 2014 - 01:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC02047B, CommunicationNa Du, Ruiying Song, Xiaoyu Zhu, Wanguo Hou, Haiping Li, Renjie Zhang
Vesicles formed spontaneously from only one simple single-tailed surfactant (DTAB) mediated by a rough glass surface.
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pH dependent isotropic to nematic phase transitions in graphene oxide dispersions reveal droplet liquid crystalline phases

29 May, 2014 - 01:54

Chem. Commun., 2014, 50,6668-6671
DOI: 10.1039/C4CC00970C, CommunicationRachel Tkacz, Rudolf Oldenbourg, Shalin B. Mehta, Morteza Miansari, Amitabh Verma, Mainak Majumder
The existence of a droplet liquid crystalline phase of graphene oxide (GO) is reported.
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(2S,5R)-2-Methylaminomethyl-1-methyl-5-phenylpyrrolidine, a chiral diamine ligand for copper(II)-catalysed Henry reactions with superb enantiocontrol

29 May, 2014 - 01:54

Chem. Commun., 2014, 50,6623-6625
DOI: 10.1039/C4CC02429J, CommunicationDagmar Scharnagel, Felix Prause, Johannes Kaldun, Robert G. Haase, Matthias Breuning
Copper(II)-complexes of a cis-2-aminomethyl-5-phenylpyrrolidine catalyse enantioselective Henry reactions with extraordinarily high stereocontrol.
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Photocatalytic organic transformation by layered double hydroxides: highly efficient and selective oxidation of primary aromatic amines to their imines under ambient aerobic conditions

29 May, 2014 - 01:54

Chem. Commun., 2014, 50,6664-6667
DOI: 10.1039/C4CC01671H, CommunicationXiu-Jie Yang, Bin Chen, Xu-Bing Li, Li-Qiang Zheng, Li-Zhu Wu, Chen-Ho Tung
We report the first application of layered double hydroxide as a photocatalyst in the transformation of primary aromatic amines to their corresponding imines using oxygen in an air atmosphere under light irradiation.
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A chemical "hub" for absolute quantification of a targeted protein: orthogonal integration of elemental and molecular mass spectrometry

29 May, 2014 - 01:54

Chem. Commun., 2014, 50,6578-6581
DOI: 10.1039/C3CC48460B, CommunicationXiaowen Yan, Zhaoxin Li, Yong Liang, Limin Yang, Bo Zhang, Qiuquan Wang
A chemical "hub" for orthogonally quantifying a protein and identifying what protein is being quantified using elemental and molecular MS.
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A new approach to prepare nanoscopic rare earth metal fluorides: the fluorolytic sol-gel synthesis of ytterbium fluoride

29 May, 2014 - 01:54

Chem. Commun., 2014, 50,6613-6616
DOI: 10.1039/C4CC02626H, CommunicationL. Schmidt, A. Dimitrov, E. Kemnitz
The sol-gel synthesis of nanoscopic ytterbium fluoride is reported. The transparent and stable sols have been characterized by DLS, TEM and XRD. A new YbIII complex has been structurally characterized by single crystal X-ray analysis.
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Covalent amphiphilic polyoxometalates for the design of biphasic microemulsion systems

29 May, 2014 - 01:54

Chem. Commun., 2014, 50,6610-6612
DOI: 10.1039/C4CC02695K, CommunicationV. Jallet, G. Guillemot, J. Lai, P. Bauduin, V. Nardello-Rataj, A. Proust
Unprecedented stabilization of a Winsor I microemulsion has been achieved using a covalent polyoxotungstate amphiphile.
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In vitro fluorescence and phototoxicity of [small beta]-SnWO4 nanoparticles

29 May, 2014 - 01:54

Chem. Commun., 2014, 50,6600-6603
DOI: 10.1039/C4CC00308J, CommunicationJan Ungelenk, Carmen Seidl, Eva Zittel, Sabine Roming, Ute Schepers, Claus Feldmann
The nanoparticulate photocatalyst [small beta]-SnWO4 is transfected into human liver carcinoma cells (HepG2).
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