Royal Society of Chemistry

Palladium catalysed cross-dehydrogenative-coupling of 1,3,5-trialkoxybenzenes with simple arenes

Chem. Commun. - 16 hours 10 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06271J, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Thomas E. Storr, Faridah Namata, Michael F. Greaney
The cross-dehydrogenative coupling of two arene C-H positions is reported, generating multi-ortho-substituted biaryls under Pd catalysis.
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Pyridynes and indolynes as building blocks for functionalized heterocycles and natural products

Chem. Commun. - 16 hours 10 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06445C, Feature ArticleAdam E. Goetz, Tejas K. Shah, Neil K. Garg
This feature article showcases the use of pyridynes and indolynes to construct functionalized heterocycles and complex natural products.
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Fluorinated microporous organic polymers: Design and applications in CO2 adsorption and conversion

Chem. Commun. - 16 hours 10 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06423B, CommunicationZhimin Liu, Zhen-Zhen Yang, Yanfei Zhao, Hongye Zhang, Bo Yu, Zhishuang Ma, Guipeng Ji
Fluorinated microporous organic polymers (F-MOPs) were designed, showing twice higher CO2 adsorption capacity than corresponding non-fluorous MOPs. The incorporation of phenanthroline moieties into F-MOPs afforded it ability to coordinate with...
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Subphthalocyanines: addressing water-solubility, nano-encapsulation, and activation for optical imaging of B16 melanoma model.

Chem. Commun. - 16 hours 10 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05503A, CommunicationYann Bernhard, Pascale Winckler, Remi CHASSAGNON, Philippe Richard, Elodie Gigot, Jean-Marie Perrier-Cornet, Richard A Decreau
Water-soluble disulfonato-Subphthalocyanine (SubPc) or hydrophobic nano-encapsulated SubPc are efficient fluorescent probes for the in vitro imaging of cells. The 20-nm large liposome (TEM, DLS) incorporated about 13 % SubPc. Moreover,...
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Facile synthesis of carbon-doped mesoporous anatase TiO2 for the enhanced visible-light driven photocatalysis

Chem. Commun. - 16 hours 10 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05544F, CommunicationJuming Liu, qiancheng zhang, Jucai Yang, Huiyan Ma, Moses O. Tade, Shaobin Wang, Jian Liu
Here we report a low-cost and facile synthesis approach for carbon-doped mesoporous anatase TiO2 by using Ti(BuO)4 as both Ti and carbon sources through a xerogel carbonization in hypoxic atmosphere....
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Metal-Free Mizoroki-Heck Type Reaction: A Radical Oxidative Coupling Reaction of 2-Chloro-Dithiane with Substituted Olefins

Chem. Commun. - 16 hours 10 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06397J, CommunicationWenbin Du, Junshan Lai, Lixia Tian, Xingang Xie, Xue Gong She, Shouchu Tang
An efficient metal-free Mizoroki-Heck type reaction of di- and trisubstituted alkenes with 2-chloro-dithiane has been developed under an ambient pressure of air or using relatively low loading of BF3[round bullet, filled]Et2O. This...
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Rapid and sensitive detection of HBV DNA with nanopore sensor

Chem. Commun. - 16 hours 10 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06135G, CommunicationFujun Yao, Yani Zhang, Yongfeng Wei, Xiaofeng Kang
Nanopore analysis has emerged as the simplest single-molecule technique. We combined DNA probes with nanopore electrochemical sensor for rapid and sensitive detection of pathogenic DNA. The novel nanopore biosensor allows...
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Transfer and Control of Molecular Chirality in the 1:2 Host-Guest Supramolecular Complex Consisting of Mg(II) bisporphyrin and Chiral Diols: Effect of H-bonding on Rationalization of Chirality

Chem. Commun. - 16 hours 10 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06092J, CommunicationSk. Asif Ikbal, Sanfaori Brahma, Sankar Prasad Rath
A clear rationalization of the origin of chirality transfer from an optically active diol guest to an achiral Mg(II)bisporphyrin host in a series of 1:2 host-guest supramolecular complex has been...
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A General and Practical Palladium-Catalyzed Monoarylation of [small beta]-Methyl C(sp3)-H of Alanine

Chem. Commun. - 16 hours 10 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06652A, CommunicationKai Chen, Shuo-Qing Zhang, Jing-Wen Xu, Fang Hu, Bing-Feng Shi
A palladium-catalyzed monoarylation of [small beta]-methyl C(sp3)-H of alanine derivative with aryl iodides using 8-aminoquinoline auxiliary is described. The reaction is highly efficient, scalable and compatible with a variety of func-tional...
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Evidence for Covalent Bonding of Aryl Groups to MnO2 Nanorods from Diazonium-Based Grafting

Chem. Commun. - 16 hours 10 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05606J, CommunicationAlison J. Downard, Kalib J Bell, Paula A Brooksby, Matthew Ian James Polson
Important technological applications of MnO2 rely on reactions and interactions at the surface. We show here that the surface of MnO2 nanorods can be modified with aryl groups by grafting...
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Charge-Transfer Interactions for the Fabrication of Multifunctional Viral Nanoparticles

Chem. Commun. - 16 hours 10 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05195E, CommunicationJun Hu, Peiyi Wang, Xia Zhao, Lin Lv, Song Yang, Baoan Song, Qian Wang
A facile strategy to fabricate multifunctional viral nanoparticles was described by introducing charge-transfer interactions between pyrenyl motif with dinitrophenyl and pyridinium-contained guest molecules.
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Electrophilic iodine(I) compounds induced semipinacol rearrangement via C-X bond cleavage

Chem. Commun. - 16 hours 10 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06014H, CommunicationNobuya Tsuji, Yusuke Kobayashi, Yoshiji Takemoto
Neutral electrophilic iodine(I) species proved to be efficient reagents for C-X bond cleavage of various cyclic and acyclic [small alpha]-silyloxyhalides, and the induced desilylative semipinacol rearrangement provided the corresponding ketones in...
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Fixation of CO2 in bi-layered coordination networks of zinc tetra(4-carboxyphenyl)porphyrin with multi-component [Pr2Na3(NO3)(H2O)3] connectors

Chem. Commun. - 16 hours 10 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05601A, CommunicationI Goldberg, Goutam Nandi
CO2 is fixed in a rare [small micro]2-[small eta]2O,O bridging mode by bi-layered coordination networks of ZnTCPP tessellated along the four equatorial directions by [Pr2Na3(NO3)(H2O)3]8+ connecting clusters in a 2:1 ratio (1),...
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A DNA aptamer to c-Met inhibits cancer cell migration

Chem. Commun. - 16 hours 10 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06016D, CommunicationR. Ueki, S. Sando
CLN0003_SL1, an optimized 50-mer DNA aptamer, suppressed the metastasis-related behaviour of cancer cells. This aptamer may be a promising molecular platform for preventing tumour development and metastasis.
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Highly efficient and selective phosphorylation of amino acid derivatives and polyols catalysed by 2-aryl-4-(dimethylamino)pyridine-N-oxides - towards kinase-like reactivity

Chem. Commun. - 16 hours 10 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05388E, CommunicationAlan C Spivey, Rudiger Woscholski, James I Murray
The chemoselective phosphorylation of hydroxyl containing amino acid derivatives and polyols by phosphoryl chlorides catalyzed by 2-aryl-4-(dimethylamino)pyridine-N-oxides is described.
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A bis-cyclometalated iridium complex as a benchmark sensitizer for efficient visible-to-UV photon upconversion

Chem. Commun. - 16 hours 10 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05718J, CommunicationPengfei Duan, Nobuhiro Yanai, Nobuo Kimizuka
The biggest problem in visible-to-UV photon upconversion-the quenching of upconverted emission by sensitizers-was solved by employing a superior sensitizer with less UV absorption intensity.
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Design of anticoagulant surfaces based on cellulose nanocrystals

Chem. Commun. - 16 hours 10 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05254D, CommunicationHeike M. A. Ehmann, Tamilselvan Mohan, Maria Koshanskaya, Sylvia Scheicher, Doris Breitwieser, Volker Ribitsch, Karin Stana-Kleinschek, Stefan Spirk
The anticoagulant activity of surfaces decorated with cellulose nanocrystals (CNCs) prepared via sulfuric acid hydrolysis, is explored.
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Two Birds with One Stone: Dendrimer Surface Engineering Enables Tunable Periphery Hydrophobicity and Rapid Endosomal Escape

Chem. Commun. - 16 hours 10 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06621A, CommunicationZheng Wang, Chao Chen, Ruihong Liu, Aiping Fan, Deling Kong, Yanjun Zhao
Multifunctional thermosensitive dendrimeric nanocarriers were generated via tailored surface modification Such design ont only facilited the rapid endosomal escape of dendrimers, but also achieved tunable surface hydrophobicity, which could be...
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Simultaneous sensing of intracellular microRNAs with a multi-functionalized carbon nitride nanosheet probe

Chem. Commun. - 16 hours 10 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05768F, CommunicationHuangxian Ju, Xianjiu Liao, Quanbo Wang
A multi-functionalized CNNS probe was designed by loading different dye-ssDNAs and folate on CNNS, which was used for in situ fluorescence imaging and sensing of intracellular multiple microRNAs.
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Organohalide Lead Perovskite Based Photodetectors with Much Enhanced Performance

Chem. Commun. - 16 hours 10 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05960C, CommunicationWentao Sun, Hua-Rong Xia, Jia Li, Lian-Mao Peng
CH3NH3PbI3 based photodetectors were fabricated by a facile low-cost process with much enhanced performance. The rise time changed from 2.7s to 0.02s, the decay time from 0.5s to 0.02s, the...
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