Chem. Commun.

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Magnetic blocking in extended metal atom chains: a pentachromium(II) complex behaving as a single-molecule magnet

8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15191-15194
DOI: 10.1039/C4CC06693F, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.A. Cornia, L. Rigamonti, S. Boccedi, R. Clerac, M. Rouzieres, L. Sorace
Enforced in an almost perfectly axial coordination environment, the terminal chromium(II) ion of a linear pentanuclear complex exhibits single-molecule magnet properties in its S = 2 ground state.
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Plasmonic hybrid nanotubes of fullerene C60-polythiophene-silver or gold nanoparticles: fabrication and enhancement of the Raman scattering

8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15183-15186
DOI: 10.1039/C4CC07303G, CommunicationRyusuke Yoshida, Takuya Matsumura, Tsukasa Nakahodo, Hisashi Fujihara
We determined the surface-enhanced Raman scattering of the plasmonic hybrid nanotubes of fullerene C60-polythiophene-Ag or Au nanoparticles.
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Motorized Janus metal organic framework crystals

8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15175-15178
DOI: 10.1039/C4CC06952H, CommunicationTristan T. Y. Tan, Jerald T. M. Cham, Michael R. Reithofer, T. S. Andy Hor, Jia Min Chin
A Janus MOF crystal showing site-selective bubble ejection from the ZIF-67 covered surface.
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Phase-transition contrast nanocapsules triggered by low-intensity ultrasound

8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15163-15166
DOI: 10.1039/C4CC04641B, CommunicationHao Li, Jianhao Wang, Ping Wang, Jian Zheng, Fangfang Song, Tinghui Yin, Guofu Zhou, Rongqing Zheng, Chao Zhang
Liquid fluorocarbon-loaded polymeric nanocapsules as contrast agents could be potentially triggered by mild hyperthermia under diagnostic ultrasound for tumor imaging.
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[(Salcen)CrIII + Lewis base]-catalyzed synthesis of N-aryl-substituted oxazolidinones from epoxides and aryl isocyanates

8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15187-15190
DOI: 10.1039/C4CC07421A, CommunicationRobert L. Paddock, Debashis Adhikari, Richard L. Lord, Mu-Hyun Baik, SonBinh T. Nguyen
[(Salcen)CrIII + Lewis base] was found to be a highly active and selective catalyst system in the [2+3] cycloaddition reaction between epoxides and isocyanates to form 5-oxazolidinones.
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Organic nanoparticles with aggregation-induced emission for tracking bone marrow stromal cells in the rat ischemic stroke model

8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15136-15139
DOI: 10.1039/C4CC06921H, CommunicationKai Li, Mie Yamamoto, Su Jing Chan, Mun Yee Chiam, Wei Qin, Peter Tsun Hon Wong, Evelyn King Fai Yim, Ben Zhong Tang, Bin Liu
Fluorescent nanoparticles with aggregation-induced emission were successfully used for tracking bone marrow-derived mesenchymal stromal cells in rats with ischemic stroke.
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When gold meets chiral Bronsted acid catalysts: extending the boundaries of enantioselective gold catalysis

8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15124-15135
DOI: 10.1039/C4CC04633A, Feature ArticleSuleman M. Inamdar, Ashok Konala, Nitin T. Patil
This review describes the development in the use of Au(I)/Bronsted acid binary catalytic systems to enable an enantioselective transformation in one-pot that cannot be achieved by gold catalysts alone.
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7.35%-Efficiency rear-irradiated flexible dye-sensitized solar cell by sealing liquid electrolyte in a groove

8 November, 2014 - 18:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07549H, CommunicationXiaopeng Wang, Qunwei Tang, Belin He, Ru Li, Liangmin Yu
We present here the feasibility of assembling rear-irradiated flexible dye-sensitized solar cell employing transparent Ni-Se alloy counter electrode along with groove stored TiO2 and liquid electrolyte. The flexible device with...
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Rhodium(III)-Catalyzed C-H Allylation of Electron-Deficient Alkenes with Allyl Acetates

8 November, 2014 - 18:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07597H, CommunicationTeck Peng Loh, Chao Feng, Daming Feng
Rhodium-catalyzed C-H allylation of acrylamides with allyl acetates is reported. The use of weakly coordinating directing group enabled high reaction efficiency, broad functionality tolerance and excellent [gamma]-selectivity, which opens a...
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UCST behavior of polyampholytes based on stoichiometric RAFT copolymerization of cationic and anionic monomers

8 November, 2014 - 18:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07930B, CommunicationQilu Zhang, Richard Hoogenboom
Polyampholytes with controlled equimolar ratio of charges were synthesized by reversible addition-fragmentation chain transfer (RAFT) copolymerization of cationic and anionic monomers and their UCST behavior is reported.
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The 9-homocubyl cation rearrangement revisited

6 November, 2014 - 17:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC08071H, CommunicationSaid Jalife, Judy I-Chia Wu, Gerardo Martinez-Guajardo, Paul von Rague Schleyer, Maria A. Fernandez-Herrera, Gabriel Merino
High ab initio computations indicate that parallel to the automerization process, the 9-homocubyl cation can also undergo other types of rearrangements involving cage-opening.
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Cucurbit[8]uril-based stimuli-responsive films as a sacrificial layer for preparation of free-standing thin films

6 November, 2014 - 17:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07899C, CommunicationDan-dan Li, Xia-chao Chen, Ke-feng Ren, Jian Ji
A facile supramolecular route to prepare free-standing thin films by using cucurbit[8]uril-based stimuli-responsive films as a sacrificial layer is reported.
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A synthetic strategy for switching the single ion anisotropy in tetrahedral Co(II) complexes

6 November, 2014 - 17:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC08305A, CommunicationShefali Vaidya, Apoorva Upadhyay, Saurabh Kumar Singh, Tulika Gupta, Subrata Tewary, Stuart K. Langley, James P. S. Walsh, Keith S. Murray, Gopalan Rajaraman, Maheswaran Shanmugam
We have shown for the first time, by simply exploiting the hard/soft nature of ligands, single ion magnetic anisotropy of Co(II) tetrahedral complexes can be switched (+ve to -ve or vice versa) rationally.
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ESR spectroscopy as a powerful tool for probing the quality of conjugated polymers designed for photovoltaic applications

6 November, 2014 - 17:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06197G, CommunicationDiana K. Susarova, Natalia P. Piven, Alexander V. Akkuratov, Lyubov A. Frolova, Marina S. Polinskaya, Sergey A. Ponomarenko, Sergey D. Babenko, Pavel A. Troshin
ESR spectroscopy was shown to be a highly sensitive analytical tool for probing the quality of conjugated polymers designed for photovoltaic applications.
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The room temperature electrochemical synthesis of N-doped graphene and its electrocatalytic activity for oxygen reduction

6 November, 2014 - 17:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07402E, CommunicationFeng-Xiang Ma, Jiong Wang, Feng-Bin Wang, Xing-Hua Xia
N doping in graphene can be achieved using a facile and mild approach using electrochemical energy at room temperature with ammonia as the N source, which occurs at the carbon active sites generated in situ during the removal of oxygen containing species at cathodic potentials.
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Redox-responsive organometallic hydrogels for in situ metal nanoparticle synthesis

6 November, 2014 - 17:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06988A, CommunicationB. Zoetebier, M. A. Hempenius, G. J. Vancso
A hydrogel composed of poly(ferrocenylsilane) polyanion and poly(ethylene glycol) chains was used to form relatively well-defined, unaggregated Pd(0) nanoparticles (8.2 +/- 2.2 nm) from K2PdCl4 salts.
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Single molecule analysis of the self-assembly process operated by host-guest interactions

4 November, 2014 - 17:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07919A, CommunicationFuna Meng, Xuyang Yao, Yi-Lun YING, Junji Zhang, He Tian, Yi-Tao Long
The self-assembly process from 1:1 to 1:2 complex operated by para-sulfonatocalix[6]arenes (SC6) as host and methyl viologen (MV2+) as guest was analyzed at single molecule level through an [small alpha]-hemolysin nanopore....
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Visible light-induced difunctionalization of electron-enriched styrenes: synthesis of tetrahydrofurans and tetrahydropyrans

4 November, 2014 - 17:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08221D, CommunicationWujiong Xia, Run Lin, Hongnan Sun, Chao Yang, Wenbo Shen
The difunctionalization of electron-enriched styrenes for synthesis of substituted tetrahydrofurans and tetrahydropy-rans through photoredox catalyst is described. The procedure is highlighted by its operational simplicity, low catalyst loading (1 mol%),...
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Modified Secondary Lithium Metal Batteries with the Polyaniline/Carbon Nanotube Composite Buffer Layer

4 November, 2014 - 17:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08083A, CommunicationDing Zhang, Yanli Yin, Changhong Liu, Shoushan Fan
A modified secondary lithium metal battery inserted with a polyaniline/carbon nanotube nanoporous composite buffer layer was fabricated. This unique and simple design of battery has the great potential to decrease...
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Expanding the chemical diversity of lasso peptide MccJ25 with genetically encoded noncanonical amino acids

4 November, 2014 - 17:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07778D, CommunicationFrank Piscotta, Jeffery Tharp, Wenshie Liu, A. James Link
Using the amber suppression approach, four noncanonical amino acids (ncAAs) were used to replace existing amino acids at four positions in lasso peptide microcin J25 (MccJ25). The lasso peptide biosynthesis...
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