Chem. Commun.

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Highly regioselective and chemoselective titanocene mediated Barbier-type allylation reactions

2 February, 2014 - 21:54

Chem. Commun., 2014, 50,2211-2213
DOI: 10.1039/C3CC49230C, CommunicationSara P. Morcillo, Angela Martinez-Peragon, Verena Jakoby, Antonio J. Mota, Christian Kube, Jose Justicia, Juan M. Cuerva, Andreas Gansauer
New titanocene(III) has been developed for chemoselective [small alpha]-regioselective Barbier-type reactions, constituting the first titanocene(III) able to tolerate epoxides and readily reduced carbonyl compounds.
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Synthesis of 6-acyl phenanthridines by oxidative radical decarboxylation-cyclization of [small alpha]-oxocarboxylates and isocyanides

2 February, 2014 - 21:54

Chem. Commun., 2014, 50,2145-2147
DOI: 10.1039/C3CC49026B, CommunicationJie Liu, Chao Fan, Hongyu Yin, Chu Qin, Guoting Zhang, Xu Zhang, Hong Yi, Aiwen Lei
A silver catalysed synthesis of 6-acyl phenanthridines by oxidative radical decarboxylation-cyclization of [small alpha]-oxocarboxylates and isocyanides was developed.
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Gold(I)-catalysed [1,3] O[rightward arrow]C rearrangement of allenyl ethers

2 February, 2014 - 21:54

Chem. Commun., 2014, 50,2152-2154
DOI: 10.1039/C3CC49629E, CommunicationChandrababu Naidu Kona, Chepuri V. Ramana
Gold standard: a simple and rapid access to the [small alpha]-substituted acryl aldehydes has been provided by developing a gold-catalysed [1,3] rearrangement of the allenyl ethers importantly with a record turnover frequency = 4600 h-1 (at 0.05 mol% of the catalyst concentration) in homogeneous gold(I) catalysis.
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ZnCl2-catalyzed chemoselective cascade reactions of enaminones with 2-furylcarbinols: a versatile process for the synthesis of cyclopenta[b]pyrrole derivatives

2 February, 2014 - 21:54

Chem. Commun., 2014, 50,2164-2166
DOI: 10.1039/C3CC49191A, CommunicationChengyu Wang, Chunyi Dong, Lingkai Kong, Yanli Li, Yanzhong Li
A ZnCl2-catalyzed cascade reaction of enaminones with 2-furylcarbinols offers a chemo- and diastereo-selective access to functionalized cyclopenta[b]pyrrole derivatives.
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A series of logic gates based on electrochemical reduction of Pb2+ in self-assembled G-quadruplex on the gold electrode

2 February, 2014 - 21:54

Chem. Commun., 2014, 50,2093-2095
DOI: 10.1039/C3CC47763K, CommunicationWei Zhai, Chunyan Du, Xiaohong Li
Based on the reduction of Pb2+ in self-assembled G-quadruplex on the gold electrode, a series of logic gates were constructed and the largest scale of reversibility was achieved.
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An unusual OFF-ON fluorescence sensor for detecting mercury ions in aqueous media and living cells

29 January, 2014 - 20:54

Chem. Commun., 2014, 50,2055-2057
DOI: 10.1039/C3CC47915C, CommunicationMaozhong Tian, Libing Liu, Yongjun Li, Ruifeng Hu, Taifeng Liu, Huibiao Liu, Shu Wang, Yuliang Li
A novel azo derivative sensor (BDAA) based on alkynes was designed and utilized to direct detection of Hg2+ in aqueous solution and living cells.
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Selective oxidative conversion of triaryldihydro[C59N]fullerenes: a model case for oxygenation of carbon allotropes

29 January, 2014 - 20:54

Chem. Commun., 2014, 50,2021-2023
DOI: 10.1039/C3CC48461K, CommunicationRegina Eigler, Frank W. Heinemann, Andreas Hirsch
The self-sensitized photooxygenation reaction on triaryldihydroazafullerene derivatives gives an insight into the formation of carbon allotrope oxides.
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Self-assembled monolayers of gold nanostars: a convenient tool for near-IR photothermal biofilm eradication

29 January, 2014 - 20:54

Chem. Commun., 2014, 50,1969-1971
DOI: 10.1039/C3CC48667B, CommunicationPiersandro Pallavicini, Alice Dona, Angelo Taglietti, Paolo Minzioni, Maddalena Patrini, Giacomo Dacarro, Giuseppe Chirico, Laura Sironi, Nora Bloise, Livia Visai, Leonardo Scarabelli
Self-assembled monolayers of gold nanostars exert efficient photothermal action against S. aureus biofilms upon laser irradiation in the nearIR.
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A donor-acceptor-donor conjugated molecule: twist intramolecular charge transfer and piezochromic luminescent properties

29 January, 2014 - 20:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C3CC48980A, CommunicationZi-Hao Guo, Ze-Xin Jin, Jie-Yu Wang, Jian Pei
A donor-acceptor-donor molecule, AQDBD, showed typical twist intramolecular charge transfer at its excited state and piezochromic properties.
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Co3O4 quantum dots: reverse micelle synthesis and visible-light-driven photocatalytic overall water splitting

29 January, 2014 - 20:54

Chem. Commun., 2014, 50,2002-2004
DOI: 10.1039/C3CC48026G, CommunicationNing Zhang, Jinwen Shi, Samuel S. Mao, Liejin Guo
Co3O4 quantum dots were synthesized by a novel method and were capable of splitting pure water under visible-light irradiation.
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A K+-mediated G-quadruplex formation enhancement fluorescence polarization system based on quantum dots for detection of Hg2+ and biothiols

29 January, 2014 - 20:54

Chem. Commun., 2014, 50,2049-2051
DOI: 10.1039/C3CC49424A, CommunicationJuanni Zhang, Jianniao Tian, Yanlong He, Yanchun Zhao, Shulin Zhao
A fluorescence polarization homogenous system based on CdTe/CdS QDs that employed a K+-mediated G-quadruplex as an enhancer was identified for sensitive and selective detection of Hg2+ and biothiols in complex samples.
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Ligand-free hydroboration of alkynes catalyzed by heterogeneous copper powder with high efficiency

29 January, 2014 - 20:54

Chem. Commun., 2014, 50,2058-2060
DOI: 10.1039/C3CC48670B, CommunicationJie Zhao, Zhiqiang Niu, Hua Fu, Yadong Li
Regioselective hydroboration of terminal and internal alkynes is realized by using copper powder (0.3-1 [small mu ]m) as a catalyst without any ligand.
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One step preparation of a high performance Ge-C nanocomposite anode for lithium ion batteries by tandem plasma reactions

29 January, 2014 - 20:54

Chem. Commun., 2014, 50,2052-2054
DOI: 10.1039/C3CC47719C, CommunicationWei Li, Jie Zheng, Tiankai Chen, Teng Wang, Xiaojuan Wang, Xingguo Li
A one step preparation method was invented to prepare Ge-C nanocomposites. Ultrafine Ge nanoparticles embedded in a carbon matrix were prepared. High reversible capacity (980 mA h g-1) with less than 2% capacity loss in total was obtained.
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First enzymatic hydrolysis/thio-Michael addition cascade route to synthesis of AChE inhibitors

29 January, 2014 - 20:54

Chem. Commun., 2014, 50,2043-2045
DOI: 10.1039/C3CC48871C, CommunicationEmilia Oueis, Florian Nachon, Cyrille Sabot, Pierre-Yves Renard
The Michael addition of thiols to acrylamides is reported as a new tool for the kinetic target-guided synthesis of AChE inhibitors.
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Novel regio- and stereoselective phosphonyl radical addition to glycals promoted by Mn(II)-air: syntheses of 1,2-dideoxy 2-C-diphenylphosphinylglycopyranosides

29 January, 2014 - 20:54

Chem. Commun., 2014, 50,2046-2048
DOI: 10.1039/C3CC48806C, CommunicationFuyi Zhang, Liming Wang, Cui Zhang, Yufen Zhao
The novel Mn(II)-air promoted radical reaction of diphenylphosphine oxide with various glycals in excellent regio- and stereoselectivities generated 1,2-dideoxy-2-C-diphenylphosphinylglycopyranosides.
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A rhodamine-appended water-soluble conjugated polymer: an efficient ratiometric fluorescence sensing platform for intracellular metal-ion probing

29 January, 2014 - 20:54

Chem. Commun., 2014, 50,2040-2042
DOI: 10.1039/C3CC48649D, CommunicationYong-Xiang Wu, Jun-Bin Li, Li-Hui Liang, Dan-Qing Lu, Jing Zhang, Guo-Jiang Mao, Li-Yi Zhou, Xiao-Bing Zhang, Weihong Tan, Guo-Li Shen, Ru-Qin Yu
We have developed a rhodamine-appended water-soluble conjugated polymer CP 1 for intracellular Fe3+ ratiometric fluorescence probing.
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An efficient synthesis of 2,5-diimino-furans via Pd-catalyzed cyclization of bromoacrylamides and isocyanides

29 January, 2014 - 20:54

Chem. Commun., 2014, 50,2037-2039
DOI: 10.1039/C3CC47724J, CommunicationHuanfeng Jiang, Meizhou Yin, Yibiao Li, Bifu Liu, Jinwu Zhao, Wanqing Wu
An efficient Pd-catalyzed cyclization reaction of bromoacrylamides and isocyanides for the synthesis of 2,5-diimino-furans is described for the first time.
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Covalent attachment and release of small molecules from functional polyphenylene dendrimers

29 January, 2014 - 20:54

Chem. Commun., 2014, 50,2034-2036
DOI: 10.1039/C3CC48741E, CommunicationBrenton A. G. Hammer, Martin Baumgarten, Klaus Mullen
Polyphenylene dendrimers were functionalized with thiols to covalently bind small molecules within their scaffold through cleavable disulfide linkages.
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A liquid crystal polymer based single layer chemo-responsive actuator

29 January, 2014 - 20:54

Chem. Commun., 2014, 50,2030-2033
DOI: 10.1039/C3CC48409B, CommunicationTahseen Kamal, Soo-Young Park
A single layer, mono-component, fast, stable, and controllable curling motion actuator is prepared from a mixture of di-acrylate mesogenic monomer and 5CB using a photo-polymerization induced phase separation method.
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A multifunctional phosphine oxide-diphenylamine hybrid compound as a high performance deep-blue fluorescent emitter and green phosphorescent host

29 January, 2014 - 20:54

Chem. Commun., 2014, 50,2027-2029
DOI: 10.1039/C3CC48531E, CommunicationXiao-Ke Liu, Cai-Jun Zheng, Ming-Fai Lo, Jing Xiao, Chun-Sing Lee, Man-Keung Fung, Xiao-Hong Zhang
A multifunctional blue fluorophore with high [capital Phi]f and suitable T1 as a high performance blue fluorescent emitter and green phosphorescent host.
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