Royal Society of Chemistry

An array sensor consisting of a single indicator with multiple concentrations and its application in ion discrimination

Chem. Commun. - 12 November, 2014 - 19:17

Chem. Commun., 2014, 50,15389-15392
DOI: 10.1039/C4CC07503J, CommunicationHui Li, Mingyan Jia, Jon R. Askim, Yu Zhang, Chunfeng Duan, Yafeng Guan, Liang Feng
Optical sensor arrays typically require a large set of chemically responsive colorants to enhance discrimination capability. Conversely, we have proven that by using multiple concentrations of one indicator, the discrimination of various analytes could be realized.
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Palladium-catalyzed oxidative C-H bond acylation of N-nitrosoanilines with toluene derivatives: a traceless approach to synthesize N-alkyl-2-aminobenzophenones

Chem. Commun. - 12 November, 2014 - 19:17

Chem. Commun., 2014, 50,15352-15354
DOI: 10.1039/C4CC07440H, CommunicationYinuo Wu, Ling-Jun Feng, Xiao Lu, Fuk Yee Kwong, Hai-Bin Luo
A palladium-catalyzed cross-coupling of N-nitroso-anilines and toluene derivatives for the direct synthesis of N-alkyl-2-aminobenzophenones is described. N-nitroso could act as the traceless directing groups.
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Two-directional synthesis and biological evaluation of alkaloid 5-epi-cis-275B[prime or minute]

Chem. Commun. - 12 November, 2014 - 19:17

Chem. Commun., 2014, 50,15355-15357
DOI: 10.1039/C4CC07287A, CommunicationGeorge Procopiou, Pooja Aggarwal, Annabella F. Newton, David Richards, Ian R. Mellor, Gareth Harbottle, Robert A. Stockman
The first total synthesis of myrmicine ant alkaloid 5-epi-cis-275B[prime or minute] (4) is presented.
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Ferritin light-chain subunits: key elements for the electron transfer across the protein cage

Chem. Commun. - 12 November, 2014 - 19:17

Chem. Commun., 2014, 50,15358-15361
DOI: 10.1039/C4CC07996E, CommunicationUnai Carmona, Le Li, Lianbing Zhang, Mato Knez
Using an external electron acceptor and donor and Pt nanoparticles as the enzyme-mimetic electron source, the electron transfer across the protein cage was identified as the first specific functionality of the light-chain subunit of ferritin.
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Direct photo-hydroxylation of the Zr-based framework UiO-66

Chem. Commun. - 12 November, 2014 - 19:17

Chem. Commun., 2014, 50,15453-15456
DOI: 10.1039/C4CC07882A, CommunicationJordi Aguilera-Sigalat, Alyssa Fox-Charles, Darren Bradshaw
We describe the direct post-synthetic hydroxylation of UiO-66 through the photogeneration of hydroxyl radicals.
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Highly regio- and stereoselective nitro-oxoamination of mono-substituted allenes

Chem. Commun. - 12 November, 2014 - 19:17

Chem. Commun., 2014, 50,15333-15336
DOI: 10.1039/C4CC05743K, CommunicationCan Xue, Chunling Fu, Shengming Ma
An efficient highly regio- and stereoselective nitro-oxoamination of mono-substituted allene occurs to form C-N and C-O bonds in one step.
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A ratiometric fluorescent probe with unexpected high selectivity for ATP and its application in cell imaging

Chem. Commun. - 12 November, 2014 - 19:17

Chem. Commun., 2014, 50,15411-15414
DOI: 10.1039/C4CC08044K, CommunicationJia-Liang Tang, Chun-Yan Li, Yong-Fei Li, Chun-Xiang Zou
Naphthalimide-rhodamine (NR) is found to display high selectivity for ATP with a ratiometric fluorescence response in living cells.
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Ammonium based zwitterions showing both LCST- and UCST-type phase transitions after mixing with water in a very narrow temperature range

Chem. Commun. - 12 November, 2014 - 19:17

Chem. Commun., 2014, 50,15450-15452
DOI: 10.1039/C4CC06210H, CommunicationShohei Saita, Yuki Mieno, Yuki Kohno, Hiroyuki Ohno
Ammonium-based zwitterions having adequate hydrophilicity showed both LCST- and UCST-type phase transitions after mixing with water.
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Exploitation of the majority rules effect for the accurate measurement of high enantiomeric excess values using CD spectroscopy

Chem. Commun. - 12 November, 2014 - 19:17

Chem. Commun., 2014, 50,15330-15332
DOI: 10.1039/C4CC07927B, CommunicationHelen M. Seifert, Yun-Bao Jiang, Eric V. Anslyn
A new method for lowering the error of CD based methods for measuring high enantiomeric excess values is described, which exploits the majority rules effect exhibited by certain helical polymers.
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Formal [4+2] annulation of enaminones and cyanomethyl sulfur ylide: one-pot access to polysubstituted pyridin-2(1H)-ones

Chem. Commun. - 12 November, 2014 - 19:17

Chem. Commun., 2014, 50,15378-15380
DOI: 10.1039/C4CC06665K, CommunicationQian Zhang, Xu Liu, Xiaoqing Xin, Rui Zhang, Yongjiu Liang, Dewen Dong
One-pot synthesis of polysubstituted pyridin-2(1H)-ones by formal [4+2] annulation of enaminones and cyanomethyl sulfur ylide is described involving sequential nucleophilic vinylic substitution, intramolecular nucleophilic cyclization and dealkylation reactions.
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Azobenzene-based chloride transporters with light-controllable activities

Chem. Commun. - 12 November, 2014 - 19:17

Chem. Commun., 2014, 50,15305-15308
DOI: 10.1039/C4CC07560A, CommunicationYe Rin Choi, Gyu Chan Kim, Hae-Geun Jeon, Jinhong Park, Wan Namkung, Kyu-Sung Jeong
Azobenzene-based chloride transporters exhibit photoresponsive transport activities across lipid and plasma membranes.
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Mechanically reinforced phosphoric acid doped quaternized poly(ether ether ketone) membranes via cross-linking with functionalized graphene oxide

Chem. Commun. - 12 November, 2014 - 19:17

Chem. Commun., 2014, 50,15381-15384
DOI: 10.1039/C4CC07791A, CommunicationNa Zhang, Baolong Wang, Yurong Zhang, Fanzhe Bu, Ying Cui, Xuefeng Li, Chengji Zhao, Hui Na
Functionalized graphene oxide as a cross-linker reinforces the tensile strength of phosphoric acid doped quaternized poly(ether ether ketone) membranes.
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Construction of DNA logic gates utilizing a H+/Ag+ induced i-motif structure

Chem. Commun. - 12 November, 2014 - 19:17

Chem. Commun., 2014, 50,15385-15388
DOI: 10.1039/C4CC06980C, CommunicationYunhua Shi, Hongxia Sun, Junfeng Xiang, Hongbo Chen, Qianfan Yang, Aijiao Guan, Qian Li, Lijia Yu, Yalin Tang
Logic gates based on an i-motif structure, which was induced by H+/Ag+ and recognized by a cyanine dye, have been designed.
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Click chemistry promoted by graphene supported copper nanomaterials

Chem. Commun. - 12 November, 2014 - 19:17

Chem. Commun., 2014, 50,15374-15377
DOI: 10.1039/C4CC07774A, CommunicationAli Shaygan Nia, Sravendra Rana, Diana Dohler, Xavier Noirfalise, Alice Belfiore, Wolfgang H. Binder
Highly dispersed copper nanoparticles immobilized graphene nanosheets were prepared and used as a recyclable and reusable heterogeneous catalyst with excellent catalytic activity to achieve Cu(I)-catalyzed [3+2] cycloaddition "click" chemistry under both solvent and bulk conditions.
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2-Arylcyclopropylmethanol as a substitute for homoallyl aryl alcohol in the construction of cis-2,6-disubstituted tetrahydropyran: synthesis of (+/-)-centrolobine

Chem. Commun. - 12 November, 2014 - 19:17

Chem. Commun., 2014, 50,15457-15460
DOI: 10.1039/C4CC07796B, CommunicationVeejendra K. Yadav, Ashish K. Verma, Piyush Kumar, Vijaykumar Hulikal
The combination of a 2-arylcyclopropylmethanol with an aliphatic aldehyde in the presence of SnCl4 leads to Prins cyclization, free from 2-oxonia-Cope rearrangement, leading to cis-4-chloro-2,6-disubstituted tetrahydropyran in high yield.
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MoS2 nanosheet/TiO2 nanowire hybrid nanostructures for enhanced visible-light photocatalytic activities

Chem. Commun. - 12 November, 2014 - 19:17

Chem. Commun., 2014, 50,15447-15449
DOI: 10.1039/C4CC07351G, CommunicationMeng Shen, Zhiping Yan, Lei Yang, Pingwu Du, Jingyu Zhang, Bin Xiang
The enhanced photocatalytic performance of as-synthesized MoS2 nanosheet-TiO2 hybrid nanostructures.
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Evidence of structural variability among synthetic and biogenic vaterite

Chem. Commun. - 12 November, 2014 - 19:17

Chem. Commun., 2014, 50,15370-15373
DOI: 10.1039/C4CC05054A, CommunicationGiuseppe Falini, Simona Fermani, Michela Reggi, Branka Njegic Dzakula, Damir Kralj
Evidence of the presence of diverse vaterite structures in biogenic samples of different origin and in synthetic vaterite precipitated in the presence of poly-L-aspartate is reported.
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Germane vs. digermane formation

Chem. Commun. - 12 November, 2014 - 19:17

Chem. Commun., 2014, 50,15461-15463
DOI: 10.1039/C4CC07921C, CommunicationP. Steiniger, G. Bendt, D. Blaser, C. Wolper, S. Schulz
Oxidative addition reactions of dialkylchalcogenanes R2E2 and [Me2Si(Nt-Bu)2]Ge yielded germanes Me2Si(Nt-Bu)2Ge(ER)2 and digermanes [Me2Si(Nt-Bu)2Ge(ER)]2, while the reaction with Et2Te2 gave Me2Si(Nt-Bu)2Ge(TeEt)2, which converts to the Te-bridged complex [Me2Si(Nt-Bu)2GeTe]2.
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Organotemplate-free hydrothermal synthesis of an aluminophosphate molecular sieve with AEN zeotype topology and properties of its derivatives

Chem. Commun. - 12 November, 2014 - 19:17

Chem. Commun., 2014, 50,15400-15403
DOI: 10.1039/C4CC06319H, CommunicationYanyan Wang, Yanjun Sun, Ying Mu, Chuanqi Zhang, Jiyang Li, Jihong Yu
A facile organotemplate-free route has been developed to synthesize aluminophosphate zeolite AEN with ion conductivity and adsorption selectivity of CO2/CH4.
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Lanthanide organic-inorganic hybrids based on functionalized metal-organic frameworks (MOFs) for a near-UV white LED

Chem. Commun. - 12 November, 2014 - 19:17

Chem. Commun., 2014, 50,15443-15446
DOI: 10.1039/C4CC07852G, CommunicationYe Lu, Bing Yan
A novel near-UV white LED based on lanthanide organic-inorganic hybrid material is realized through postsynthetically modified MOFs and MOF-based polymers. The hybrids materials have high quantum yield and satisfactory luminescence stability; the assembled white LED has tuneable correlated color temperature and high color rendering index.
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