Chem. Commun.

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sp3C-H bond alkylation of ketones with alkenes via ruthenium(II) catalysed dehydrogenation of alcohols

14 May, 2014 - 22:54

Chem. Commun., 2014, 50,5970-5972
DOI: 10.1039/C4CC00931B, CommunicationBin Li, Christophe Darcel, Pierre H. Dixneuf
The sp3C-H bond alkylation of 2-pyridylethanols upon reaction with alkenes, with a [RuCl2(arene)]2 catalyst and Cu(OAc)2[middle dot]H2O proceeds via a tandem dehydrogenation/alkylation with alkenes of the resulting ketone.
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Pseudo-capacitive performance of titanate nanotubes as a supercapacitor electrode

14 May, 2014 - 22:54

Chem. Commun., 2014, 50,5973-5975
DOI: 10.1039/C3CC49494B, CommunicationJie Yang, Lifang Lian, Peixun Xiong, Mingdeng Wei
Layered titanate H2Ti3O7 nanotubes were firstly used as a supercapacitor electrode and exhibited a specific capacitance as high as 414 F g-1 at 0.5 A g-1.
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Redox-controlled [small delta]-Dawson {Mn2IIIW17} polyoxometalate with photocatalytic H2 evolution activity

14 May, 2014 - 22:54

Chem. Commun., 2014, 50,5961-5963
DOI: 10.1039/C3CC47703G, CommunicationYan-Qing Jiao, Chao Qin, Xin-Long Wang, Fu-Hong Liu, Peng Huang, Chun-Gang Wang, Kui-Zhan Shao, Zhong-Min Su
The [small delta]-Dawson [(WO5)3W14O40Mn2IIIO4Cl2]12- compound induced by the Jahn-Teller distortion of MnIII has been synthesized through importing {Mn12} as a reactant, which exhibits photocatalytic H2 evolution activity.
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Phototriggered formation and disappearance of surface-confined self-assembly composed of photochromic 2-thienyl-type diarylethene: a cooperative model at the liquid/solid interface

14 May, 2014 - 22:54

Chem. Commun., 2014, 50,5964-5966
DOI: 10.1039/C3CC48895K, CommunicationSoichi Yokoyama, Takashi Hirose, Kenji Matsuda
A photoresponsive self-assembly on a 2-D surface was investigated by STM and the behavior was analyzed by a cooperative model.
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Real-time imaging and local elemental analysis of nanostructures in liquids

12 May, 2014 - 22:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC02743D, CommunicationEdward Lewis, Sarah Haigh, Thomas Slater, Zheyang He, Matthew Kulzick, Mary Grace Burke, Nestor J. Zaluzec
A new design of in situ liquid cells is demonstrated, providing the first nanometer resolution elemental mapping of nanostructures in solution. The technique has been applied to investigate dynamic liquid-phase...
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A novel fully water-soluble Cu(I) probe for fluorescence live cell imaging

10 May, 2014 - 21:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC02147A, CommunicationGiuseppe Trusso Sfrazzetto, Cristina Satriano, Maria Laura Giuffrida, Enrico Rizzarelli, gaetano a tomaselli
A new Cu(I) probe (OBEP-CS1), bearing an alkyl-pyridinium moiety to get a complete water solubility, was synthesized. Fluorescence titrations support copper binding and high selectivity in water solution whereas aggregates...
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Synthesis of Cu2ZnSnS4 thin films directly onto conductive substrates via selective thermolysis using microwave energy

8 May, 2014 - 21:17

Chem. Commun., 2014, 50,5902-5904
DOI: 10.1039/C3CC49207A, CommunicationTheodore R. Knutson, Parker J. Hanson, Eray S. Aydil, R. Lee Penn
Copper zinc tin sulfide (CZTS) thin films were deposited from homogeneous solutions of precursors and directly onto conductive films via selective thermolysis by microwave heating.
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Enzymatic preparation of a redox-responsive hydrogel for encapsulating and releasing living cells

8 May, 2014 - 21:17

Chem. Commun., 2014, 50,5895-5898
DOI: 10.1039/C3CC49766F, CommunicationKousuke Moriyama, Kosuke Minamihata, Rie Wakabayashi, Masahiro Goto, Noriho Kamiya
Horseradish peroxidase-mediated oxidative cross-linking of a thiolated poly(ethylene glycol) allows the preparation of a hydrogel that can encapsulate and release living mammalian cells.
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Five-coordinate MII-semiquinonate (M = Fe, Mn, Co) complexes: reactivity models of the catechol dioxygenases

8 May, 2014 - 21:17

Chem. Commun., 2014, 50,5871-5873
DOI: 10.1039/C3CC49143A, CommunicationPeng Wang, Glenn P. A. Yap, Charles G. Riordan
The first mononuclear iron(II)-semiquinonate has been prepared. Analogous manganese and cobalt adducts are reported, including a cobalt(II)-semiquinonate that exhibits O2-mediated intradiol oxidation.
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Catalytic liquid marbles: Ag nanowire-based miniature reactors for highly efficient degradation of methylene blue

6 May, 2014 - 20:54

Chem. Commun., 2014, 50,5923-5926
DOI: 10.1039/C4CC01949K, CommunicationYue-E Miao, Hiang Kwee Lee, Wee Shern Chew, In Yee Phang, Tianxi Liu, Xing Yi Ling
Ag nanowire-based catalytic liquid marbles are fabricated as miniature reactors, which demonstrate highly efficient, support-free and rate-controllable heterogeneous degradation of methylene blue, with catalytic efficiency close to 100%.
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Unexpected neutral aza-macrocycle complexes of sodium

6 May, 2014 - 20:54

Chem. Commun., 2014, 50,5843-5846
DOI: 10.1039/C4CC01407C, CommunicationMatthew Everett, Andrew Jolleys, William Levason, David Pugh, Gillian Reid
Highly unusual Na+ complexes with neutral tri- and tetra-amines are isolable in good yield from the reaction of NaBArF with the amine in organic media.
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Dehydrogenation of a tertiary amine-borane by a rhenium complex

6 May, 2014 - 20:54

Chem. Commun., 2014, 50,5874-5877
DOI: 10.1039/C4CC01771D, CommunicationSohail Muhammad, Salvador Moncho, Edward N. Brothers, Ashfaq A. Bengali
Photolysis of CpRe(CO)3 in the presence of H3BNEt3 results in the dehydrogenation of the borane and formation of trans-CpRe(CO)2(H)2.
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Unfolding the crucial role of a nucleophile in Ziegler-Natta type Ir catalyzed polyaminoborane formation

6 May, 2014 - 20:54

Chem. Commun., 2014, 50,5919-5922
DOI: 10.1039/C4CC01337A, CommunicationSourav Bhunya, Tanmay Malakar, Ankan Paul
DFT investigations reveal that a transition metal bound amino-borane unit is responsible for chain initiation and chain growth in polyaminoborane formation catalysed by Brookhart's iridium pincer catalyst. This mechanistic manifold reported here is also implicated in other transition metal catalysed polyaminoborane formation processes.
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New members of layered oxychloride perovskites with square planar coordination: Sr2MO2Cl2 (M = Mn, Ni) and Ba2PdO2Cl2

6 May, 2014 - 20:54

Chem. Commun., 2014, 50,5915-5918
DOI: 10.1039/C4CC01422G, CommunicationY. Tsujimoto, C. I. Sathish, Y. Matsushita, K. Yamaura, T. Uchikoshi
We have demonstrated high-pressure syntheses of Ruddlesden-Popper type layered oxychloride perovskites, Sr2MnO2Cl2, Sr2NiO2Cl2 and Ba2PdO2Cl2, with a square planar coordination around the transition metal centres.
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Facile synthesis of yolk-shell structured Si-C nanocomposites as anodes for lithium-ion batteries

6 May, 2014 - 20:54

Chem. Commun., 2014, 50,5878-5880
DOI: 10.1039/C4CC01728E, CommunicationLei Pan, Haibin Wang, Dacheng Gao, Shengyang Chen, Lei Tan, Lei Li
A new method to synthesize yolk-shell structured Si-C nanocomposites as anodes for lithium-ion batteries was reported.
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Copper-catalyzed olefinic C-H difluoroacetylation of enamides

6 May, 2014 - 20:54

Chem. Commun., 2014, 50,5887-5890
DOI: 10.1039/C4CC01994F, CommunicationGilles Caillot, Jeremy Dufour, Marie-Charlotte Belhomme, Thomas Poisson, Laurence Grimaud, Xavier Pannecoucke, Isabelle Gillaizeau
An efficient copper-catalyzed method for the regioselective synthesis of [small beta]-difluoroester substituted enamides using BrCF2CO2Et is reported for the first time.
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Switching an O2 sensitive glucose oxidase bioelectrode into an almost insensitive one by cofactor redesign

6 May, 2014 - 20:54

Chem. Commun., 2014, 50,5912-5914
DOI: 10.1039/C4CC01670J, CommunicationEmilie Tremey, Emmanuel Suraniti, Olivier Courjean, Sebastien Gounel, Claire Stines-Chaumeil, Frederic Louerat, Nicolas Mano
We switched an O2 sensitive glucose oxidase bioelectrode into an almost insensitive one by cofactor redesign.
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All-round robustness of the Mn19 coordination cluster system: experimental validation of a theoretical prediction

6 May, 2014 - 20:54

Chem. Commun., 2014, 50,5847-5850
DOI: 10.1039/C4CC01264J, CommunicationAyuk M. Ako, Yanhua Lan, Oliver Hampe, Eduard Cremades, Eliseo Ruiz, Christopher E. Anson, Annie K. Powell
Experimental and theoretical studies confirm that the maximum possible ground spin state of ST = 83/2 for the Mn19 aggregate is insensitive to replacement of its eight [small mu ]3-N3 ligands by [small mu ]3-Cl, [small mu ]3-Br, [small mu ]3-OH or [small mu ]3-OMe.
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A tetranaphthoimidazolium receptor as a fluorescent chemosensor for phytate

6 May, 2014 - 20:54

Chem. Commun., 2014, 50,5851-5853
DOI: 10.1039/C4CC02036G, CommunicationMinji Lee, Jong Hun Moon, Eun Jin Jun, Gyoungmi Kim, Yong-Uk Kwon, Jin Yong Lee, Juyoung Yoon
A new tetranaphthoimidazolium receptor showed a selective fluorescence enhancement with phytate, myo-inositol hexakisphosphate (IP6), in 100% aqueous solution at pH 7.4.
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Asymmetric dinuclear bis(dipyrrinato)zinc(II) complexes: broad absorption and unidirectional quantitative exciton transmission

6 May, 2014 - 20:54

Chem. Commun., 2014, 50,5881-5883
DOI: 10.1039/C4CC01573H, CommunicationMizuho Tsuchiya, Ryota Sakamoto, Shinpei Kusaka, Yasutaka Kitagawa, Mitsutaka Okumura, Hiroshi Nishihara
Asymmetric, heteroleptic dinuclear bis(dipyrrinato)zinc(II) complexes convey excitons quantitatively and rapidly across their structure from one end to the other.
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