Chem. Commun.

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NBS-promoted oxidation of fullerene monoradicals leading to regioselective 1,4-difunctional fullerenes

18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15730-15732
DOI: 10.1039/C4CC07780F, CommunicationWeili Si, Shirong Lu, Naoki Asao, Ming Bao, Yoshinori Yamamoto, Tienan Jin
NBS sufficiently promotes the formation of a fullerene cation from a singly bonded fullerene dimer to react with various nucleophiles, leading to the unsymmetrical fullerene 1,4-bisadducts.
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A highly luminescent and highly oxygen-sensitive Tb(III) complex with a tris-aryloxide functionalised 1,4,7-triazacyclononane ligand

18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15737-15739
DOI: 10.1039/C4CC07717B, CommunicationHidetaka Nakai, Takahiro Goto, Kazuhiro Kitagawa, Kyoshiro Nonaka, Takahiro Matsumoto, Seiji Ogo
This communication presents a new terbium(III) complex that shows the highest luminescence quantum yield among the oxygen-sensitive lanthanide complexes.
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A new route to platencin via decarboxylative radical cyclization

18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15706-15709
DOI: 10.1039/C4CC07316A, CommunicationGamal A. I. Moustafa, Yuki Saku, Hiroshi Aoyama, Takehiko Yoshimitsu
A decarboxylative radical cyclization approach to the platencin core has been established.
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Long-lived charge separation in a rigid pentiptycene bis(crown ether)-Li+@C60 host-guest complex

18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15796-15798
DOI: 10.1039/C4CC07795D, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Mustafa Supur, Yuki Kawashima, Ying-Xian Ma, Kei Ohkubo, Chuan-Feng Chen, Shunichi Fukuzumi
Long-lived, photoinduced charge separation between pentiptycene and Li+@C60 was observed in a highly rigid host-guest complex.
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Multistimuli-responsive azobenzene nanofibers with aggregation-induced emission enhancement characteristics

18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15815-15818
DOI: 10.1039/C4CC06938B, CommunicationMina Han, Sung June Cho, Yasuo Norikane, Masaki Shimizu, Akinori Kimura, Tomokazu Tamagawa, Takahiro Seki
A new azobenzene-based chromophore was synthesized to create one-dimensional (1D) nanofibers with aggregation-induced emission enhancement characteristics.
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Tetrahedral Sn-silsesquioxane: synthesis, characterization and catalysis

18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15699-15701
DOI: 10.1039/C4CC07897G, CommunicationEvgeny V. Beletskiy, Zhongliang Shen, Mark V. Riofski, Xianliang Hou, James R. Gallagher, Jeffrey T. Miller, Yuyang Wu, Harold H. Kung, Mayfair C. Kung
The tetrahedral Sn center of a POSS-Sn-POSS complex is a Lewis acid that ligate amines in either anti or syn configuration, and catalyzes epoxide ring opening and hydride transfer.
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Trienamine-mediated asymmetric [4+2]-cycloaddition of [small alpha],[small beta]-unsaturated ester surrogates applying 4-nitro-5-styrylisoxazoles

18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15689-15691
DOI: 10.1039/C4CC08171D, CommunicationYang Li, Francisco Javier Lopez-Delgado, Danny Kaare Bech Jorgensen, Rune Pagh Nielsen, Hao Jiang, Karl Anker Jorgensen
Highly enantioselective organocatalytic [4+2]-cycloaddition of in situ generated trienamines with 4-nitro-5-styrylisoxazoles as [small alpha],[small beta]-unsaturated ester surrogates is presented.
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A rare (3,4,5)-connected metal-organic framework featuring an unprecedented 1D + 2D [rightward arrow] 3D self-interpenetrated array and an O-atom lined pore surface: structure and controlled drug release

18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15807-15810
DOI: 10.1039/C4CC08214A, CommunicationDi-Chang Zhong, Lie-Qiang Liao, Ji-Hua Deng, Qing Chen, Ping Lian, Xu-Zhong Luo
A rare (3,4,5)-connected metal-organic framework has been constructed, which features an unprecedented 1D + 2D [rightward arrow] 3D self-interpenetrated array and an O-atom lined pore surface, and shows good controlled release of ibuprofen.
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A liquid azobenzene derivative as a solvent-free solar thermal fuel

18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15803-15806
DOI: 10.1039/C4CC07713J, CommunicationKouta Masutani, Masa-aki Morikawa, Nobuo Kimizuka
A liquid trans-azobenzene derivative facilely isomerizes to the higher energy cis-isomer, allowing high volumetric density storage of the photon energy.
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From MgBr via single-electron transfer (SET) to a paramagnetic Mg(II) compound and back to Mg(I): [MgBr(L1)[radical dot]]2 and [K(thf)3]2[Mg2(L1)2], L1 = RN[double bond, length as m-dash]C(Me)C(Me)[double bond, length as m-dash]NR, R = 2,6-diisopropylphen

18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15677-15680
DOI: 10.1039/C4CC07680J, CommunicationT. Kruczynski, P. Henke, T. Augenstein, N. Arleth, F. Breher, H. Schnockel
Single electron transfer (SET) from the monomeric Mg(I) bromide - in a metastable solution - to a bulky diimine ligand results in a new starting material for the formation of a Mg-Mg bond.
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Silver(I) and thallium(I) cations as unsupported bridges between two metal bases

18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15685-15688
DOI: 10.1039/C4CC08508F, CommunicationHolger Braunschweig, Rian D. Dewhurst, Florian Hupp, Christoph Schneider
Stirring Lewis-basic transition metal complexes with the salts M[BArCl4] (M = Ag, Tl; ArCl = 3,5-C6H3Cl2) resulted in the formation of diplatinum complexes [{(Cy3P)2Pt}2([small mu ]-Ag)][BArCl4] (3) and [{(Cy3P)2Pt}2([small mu ]-Tl)][BArCl4] (4) and the diiron compound [{(OC)3(Me3P)2Fe}2([small mu ]-Ag)] (5) featuring bridging, unsupported metal cations.
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Salt-enabled visual detection of DNA

18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15744-15747
DOI: 10.1039/C4CC06536K, CommunicationXilong Wang, Xun Chen, Sha Sun, Feifei Zhang, Jin Zhu
A label-free, salt-enabled visual detection strategy for DNA, based on the alteration of surface adhesion properties of water with self-assembled DNA nanostructures, has been developed.
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A co-operative Ni-Cu system for Csp-Csp and Csp-Csp2 cross-coupling providing a direct access to unsymmetrical 1,3-diynes and en-ynes

18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15784-15787
DOI: 10.1039/C4CC07413K, CommunicationNirmalya Mukherjee, Debasish Kundu, Brindaban C. Ranu
An efficient cross coupling of alkynes with alkynyl and alkenyl halides catalysed by a Ni-Cu system without any ligand leading to the synthesis of a series of functionalised 1,3-di-ynes and en-ynes has been achieved.
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Efficient synthesis of [small pi]-extended phenazasilines for optical and electronic applications

18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15760-15763
DOI: 10.1039/C4CC06636G, CommunicationHuanhuan Li, Yang Wang, Kai Yuan, Ye Tao, Runfeng Chen, Chao Zheng, Xinhui Zhou, Junfeng Li, Wei Huang
The rhodium-catalyzed synthesis of phenazasilines from readily achievable biarylhydrosilanes is presented. This highly efficient method offers opportunities for preparing [small pi]-extended phenazasilines with enhanced optoelectronic properties for device applications in organic electronics.
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I-motif-based nano-flares for sensing pH changes in live cells

18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15768-15771
DOI: 10.1039/C4CC08054H, CommunicationJin Huang, Yong He, Xiaohai Yang, Kemin Wang, Le Ying, Ke Quan, Yanjing Yang, Bincheng Yin
Here, we report an intracellular probe termed i-motif-based nano-flares. They could sense pH change in a live cell since they combine cellular transfection, enzymatic protection, and pH detection.
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Crown ethers attenuate aggregation of amyloid beta of Alzheimer's disease

18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15792-15795
DOI: 10.1039/C4CC06029F, CommunicationYanli Tian, Xueli Zhang, Yuyan Li, Timothy M. Shoup, Xin Teng, David R. Elmaleh, Anna Moore, Chongzhao Ran
Crown ethers were used to "neutralize" positive charges of the amino groups of A[small beta]s through the formation of hydrogen bonds, and thus inhibit the aggregation of A[small beta]s.
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TfOH-catalyzed synthesis of 3-aryl isoindolinones via a tandem reaction

18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15780-15783
DOI: 10.1039/C4CC06653G, CommunicationJiaxing Hu, Hua-Li Qin, Wengang Xu, Junli Li, Fanglin Zhang, Hua Zheng
A convenient method for the synthesis of 3-aryl isoindolinones via TfOH catalyzed C-H functionalization of arenes with 2-formylbenzonitriles is developed.
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In situ labelling chemistry of respiratory syncytial viruses by employing the biotinylated host-cell membrane protein for tracking the early stage of virus entry

18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15776-15779
DOI: 10.1039/C4CC06264G, CommunicationLin Ling Zheng, Xiao Xi Yang, Yue Liu, Xiao Yan Wan, Wen Bi Wu, Ting Ting Wang, Qiang Wang, Shu Jun Zhen, Cheng Zhi Huang
An in situ strategy for producing quantum dot-labelled respiratory syncytial viruses by incorporating the biotinylated membrane protein of the host cells into mature virions is reported.
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Facile synthesis of hydrophilic multi-colour and upconversion photoluminescent mesoporous carbon nanoparticles for bioapplications

18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15772-15775
DOI: 10.1039/C4CC07121B, CommunicationQinglu Kong, Lingxia Zhang, Jianan Liu, Meiying Wu, Yu Chen, Jingwei Feng, Jianlin Shi
Hydrophilic mesoporous carbon nanoparticles have been synthesized via a precursor carbonization-in-solvent route, which display multicolor and upconversion photoluminescence properties.
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Efficient cycloaddition of epoxides and carbon dioxide over novel organic-inorganic hybrid zeolite catalysts

18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15764-15767
DOI: 10.1039/C4CC07620F, CommunicationChen-Geng Li, Le Xu, Peng Wu, Haihong Wu, Mingyuan He
The organic-inorganic lamellar MFI zeolites, containing embedded Gemini-type quaternary ammonium groups and changeable halogen anions, serve as active and reusable catalysts for the cycloaddition of epoxides and carbon dioxide.
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