Chem. Commun.

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Homoleptic Low-Valent Polyazides of Group 14 Elements

23 February, 2015 - 20:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC00259A, CommunicationBenjamin Peerless, Theo Keane, Anthony J. H. M. Meijer, Peter Portius
First examples of coordinatively unsaturated, homoleptic azido complexes of low-valent group 14 elements are reported. A simple strategy uses low-valent precursors, ionic azide transfer reagents and bulky cations to obtain...
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Rationally Designed Amino-Borane Complex in Metal Organic Framework: A Novel Reusable Hydrogen Storage and Size-Selective Reduction Material

23 February, 2015 - 20:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC00193E, CommunicationXinbo Wang, Linhua Xie, Kuo-Wei Huang, Zhiping Lai
A novel amino-borane complex inside a stable metal organic framework, was synthesized for the first time. It releases hydrogen at temperature 78oC with no volatile contaminants and can be well...
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Surface Confined Synthesis of Porphyrin Containing Two-Dimensional Polymers: the Effect of Rigidity and Preferential Adsorption of Building Blocks

23 February, 2015 - 20:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC00659G, CommunicationXiuling Sun, Lixia Fan, Xin Zhou, Weiquan Tian, Zongxia Guo, Zhibo Li, Xiaokang Li, Shengbin Lei
We have designed and synthesized two porphyrin containing two-dimensional (2D) polymers based on imine linkage. Both 2D polymers are revealed to be 2D organic semiconductors with band gaps around 1...
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Cu-catalyzed asymmetric addition of sp2-hybridized zirconium nucleophiles to racemic allyl bromides

23 February, 2015 - 20:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC00421G, CommunicationMireia Sidera, Stephen P. Fletcher
Asymmetric allylic alkylation with sp2 hybridized zirconium nucleophiles via a dynamic kinetic transformation is reported.
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Highly durable carbon-supported Pt catalyst prepared by hydrosilane-assisted nanoparticle deposition and surface functionalization

23 February, 2015 - 20:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C4CC10298C, CommunicationYuta Nishina, Akinori Saito, Iwao Shimoyama, Ken-ichi Shimizu, Hiromi Tsuji
Carbon is one of the most attractive support materials for metal nanoparticles because of its high surface area and its electron and thermal conductivities in addition to its availability. However,...
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Mesostructured amorphous manganese oxides: facile synthesis and highly durable elimination of low-concentration NO at room temperature in air

23 February, 2015 - 20:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC00269A, CommunicationYanyan Du, Zile Hua, Weimin Huang, Meiying Wu, Min Wang, Jin Wang, Xiangzhi Cui, Lingxia Zhang, Hangrong Chen, Jianlin Shi
Under a high space velocity of 120,000 mL[round bullet, filled]g-1[round bullet, filled]h-1, 98% removal of 10 ppm NO has been achieved for over 237 h and no sign of deactivation was observed with mesostructured...
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Tailoring nano-catalysts: turn gold-nano-particles on bulk-metal-oxides to inverse nano-metal-oxides on large-gold-particles

23 February, 2015 - 20:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC00016E, CommunicationGuofeng Zhao, Xin-Ping Wu, Ruijuan Chai, Qiaofei Zhang, Xue-Qing Gong, Jun Huang, Yong Lu
Interface between highly dispersed gold nanoparticles and their bulk oxide supports has exhibited crucial role in various reactions, but gold nanoparticles face severe sintering especially in high temperature or strong...
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High Activity and Stability in the Cross-Coupling of Aryl Halides with Disulfides over Cu-doped Hierarchically Porous Zeolite ZSM-5

23 February, 2015 - 20:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C4CC10417J, CommunicationWenqian Fu, Taotao Liu, Zhongxue Fang, Yuli Ma, Xiang Zheng, Wenchang Wang, Xiaojun Ni, Maolin Hu, Tiandi Tang
A Cu-doped zeolite ZSM-5 (Cu-ZSM-5-M) with micro-meso-macroporous structure was directly synthesized, and it exhibits excellent catalytic activity and good recyclability in cross-coupling of aryl halides with diphenyl disulfides. This feature...
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Branched dimerization of Tat peptide improves permeability to HeLa and hippocampal neuronal cells

23 February, 2015 - 20:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC00882D, CommunicationI. Abrrey Monreal, Qian Liu, Katherine Tyson, Tyler Bland, Doralyn S. Dalisay, Erin V. Adams, Gary A. Wayman, Hector C Aguilar, Jonel P Saludes
A dimeric branched peptide TATp-D designed as an analogue of the HIV-Tat protein transduction domain (TATp), a prototypical cell penetrating peptide (CPP), demonstrates significantly enhanced cell uptake at 0.25 to...
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Li-ion battery shut-off at high temperature caused by polymer phase separation in responsive electrolytes

23 February, 2015 - 20:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C4CC10282G, Communicationjesse C Kelly, Nicholas DeGrood, Mark E Roberts
For the purpose of realizing inherently safe high-power Li-ion batteries, a model Li4Ti5O12/LiFePO4 rechargeable battery is investigated using the thermally responsive polymer, poly (benzyl methacrylate), in an ionic liquid. At...
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Anion transport across varying lipid membranes - the effect of lipophilicity

23 February, 2015 - 20:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC00823A, CommunicationMichael J. Spooner, Philip A. Gale
The anion transport properties of a range of alkyl-substituted phenylthioureas were tested in vesicles of different lipid composition.
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Lewis-Acid Induced Disaggregation of Dimeric Arylantimony Oxides

23 February, 2015 - 20:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC00738K, CommunicationRalf Kather, Tomas Svoboda, Maren Wehrhahn, Elena A. Rychagova, Enno Lork, Libor Dostal, Sergey Yu. Ketkov, Jens Beckmann
The previously known dimeric arylantimony oxides (Ph3SbO)2 and [2,6-(Me2NCH2)2C6H3SbO]2 were disaggregated by the Lewis acid B(C6F5)3 giving rise to the formation of the Lewis pair complexes Ph3SbOB(C6F5)3 and 2,6-(Me2NCH2)2C6H3SbOB(C6F5)3 having...
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Rapidly assessing the activation conditions and porosity of metal-organic frameworks using thermogravimetric analysis

23 February, 2015 - 20:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC00681C, CommunicationThomas M. McDonald, Eric D. Bloch, Jeffrey R. Long
A methodology utilizing a thermogravimetric analyzer to monitor propane uptake following incremental increases of the temperature is demonstrated as a means of rapidly identifying porous materials and determining the optimum activation conditions of metal-organic frameworks.
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DNA-ligand interactions gained and lost: light-induced ligand redistribution in a supramolecular cascade

23 February, 2015 - 20:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC01025J, CommunicationDaria V. Berdnikova, Tseimur M. Aliyeu, Thomas Paululat, Yuri V. Fedorov, Olga A. Fedorova, Heiko Ihmels
Controlled DNA binding: a photoresponsive ligand is made to migrate from cyclodextrin to double-stranded DNA upon irradiation and is eventually extracted from the nucleic acid by cucurbituril.
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Photoswitchable organic field-effect transistors and memory elements comprising interfacial photochromic layer

23 February, 2015 - 20:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC00711A, CommunicationLyubov A Frolova, Pavel Troshin, Diana Susarova, Alexander V. Kulikov, Nataliya A. Sanina, Sergey M. Aldoshin
Optical memory elements based on photoswitchable organic field-effect transistors have been designed by using interfacial layer of photochromic spirooxazine molecules sandwiched between semiconductor and dielectric layers. Optical and electrical programming...
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Synthesis of 3-Bromosubstituted Pyrroles via Palladium-Catalyzed Intermolecular Oxidative Cyclization of Bromoalkynes with N-Allylamines

23 February, 2015 - 20:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C4CC10322J, CommunicationHuanfeng Jiang, Jia Zheng, Liangbin Huang, Zun Li, Wanqing Wu, Jianxiao Li
This paper describes a novel palladium-catalyzed oxidative cyclization of bromoalkynes with N-allylamines via cascade formation of C-N and C-C bonds. During this process, the bromine atom was retained to form...
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Copper-catalyzed oxidative C(sp3)-H/N-H coupling of sulfoximines, amides with simple alkanes via radical process

23 February, 2015 - 20:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC00839E, CommunicationFan Teng, Song Sun, Yan Jiang, Jin-Tao Yu, Jiang Cheng
A copper-catalyzed oxidative C(sp3)-H/N-H coupling of sulfoximines with simple alkanes was developed. This pro-tocol featured with C(sp3)-N bond formation via the radical pathway and tolerated a series of functional groups,...
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Copper-Catalyzed Aerobic Carboxygenation and N-arylation of [1,2,3]Triazolo[1,5-a]pyridines towards pyridinium triazolinone ylides

23 February, 2015 - 20:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C4CC10061A, CommunicationSreekumar Pankajakshan, Zhi Guang Chng, Ganguly Rakesh, Teck Peng Loh
Copper-catalyzed aerobic oxyarylation of [1,2,3]Triazolo[1,5-a]pyridines is developed. Notably molecular oxygen was utilized as one of the reagents and the transformation resulted in the formation of novel pyridinium triazolinone ylides. A...
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On Zn(II) 2,2'-bisdipyrrin circular helicates

23 February, 2015 - 20:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC00724K, CommunicationStephane Baudron, Herve Ruffin, Mir Wais Hosseini
Coordination of two 2,2'-bisdipyrrin ligands, bearing methyl ester or methylthioether peripheral groups, with Zn(II) cations leads not only to the formation of the expected linear helicates but also concomitantly to...
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Supramolecular electron transfer-based switching involving pyrrolic macrocycles. A new approach to sensor development?

23 February, 2015 - 20:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C4CC10193F, Feature ArticleTomas Torres, Jonathan L Sessler, Olga Trukhina, Nathan L. Bill
This Feature focuses on pyrrolic macrocycles that can serve as switches via energy- or electron transfer (ET) mechanisms. Macrocycles operating by both ground state (thermodynamic) and photoinduced ET pathways are...
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