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"Activation of carbon-supported catalysts by ozonized acidic solutions for the direct implementation in (electro-)chemical reactors"

Chem. Commun. - 26 November, 2014 - 22:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08480B, CommunicationClaudio Baldizzone, Stefano Mezzavilla, Nejc Hodnik, Aleksandar R. Zeradjanin, Aleksander Kostka, Ferdi Schuth, Karl Johann Jakob Mayrhofer
This work introduces a practical and scalable post-synthesis treatment for carbon-supported catalysts designed to achieve complete activation and, if necessary, simultaneously surface dealloying. The core-concept behind the method is to...
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A Tale of Two Forces: Simultaneous Chemical and Acoustic Propulsion of Bimetallic Micromotors

Chem. Commun. - 26 November, 2014 - 22:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC09149C, CommunicationWei Wang, Wentao Duan, Zexin Zhang, Mei Sun, Ayusman Sen, Thomas Mallouk
Bimetallic gold-ruthenium microrods are propelled in opposite directions in water by ultrasound and by catalytic decomposition of hydrogen peroxide. This property was used to effect reversible swarming, to stall and...
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Phosphine-Catalyzed Dearomatizing [3+2] Annulations of Isoquinolinium Methylides with Allenes

Chem. Commun. - 26 November, 2014 - 22:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08555H, CommunicationZhi-Jun Jia, Constantin Gabriel Daniliuc, Andrey P. Antonchick, Herbert Waldmann
A phosphine-catalyzed dearomatizing [3+2] annulation of isoquinolinium methylides with allenoates or allenones yields highly functionalized pyrroloisoquinolines with high regioselectivity and in viable yields.
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Self-organized nanoclusters in solution-processed mesoporous In-Ga-Zn-O thin films

Chem. Commun. - 26 November, 2014 - 22:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08521C, CommunicationChristine Revenant, Mohammed Benwadih, Mireille Maret
Self-organized nanoclusters were obtained in annealed solution-processed In-Ga-Zn-O thin films. STEM and anomalous grazing incidence small-angle X-ray scattering (GISAXS) reveal the formation of nanometer-sized nanoclusters together with the spontaneous creation...
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Formation of ring-in-ring complexes between crown ethers and rigid TVBox8+

Chem. Commun. - 26 November, 2014 - 22:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08053J, CommunicationJunling Sun, Marco Frasconi, Zhichang Liu, Jonathan C Barnes, Yuping Wang, Dongyang Chen, Charlotte L Stern, J. Fraser Stoddart
A rigid octacationic tetraviologen-based cyclophane, TVBox8+, is reported. It possesses a highly electron-deficient rectangular cavity with a length of 23 A and width of 6.1 A and is capable of...
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Selenophenyl Bridged Perylene Diimide Dimer as Efficient Solution-Processable Small Molecule Acceptor

Chem. Commun. - 26 November, 2014 - 22:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08457H, CommunicationXin Zhang, Jiannian Yao, Chuanlang Zhan
We report herein a new solution-processable small molecule acceptor, a selenophenyl bridged perylene diimide dimer, that gives 4.0% efficiency when employed PBDTTT-C-T as the polymer donor and a conventional cell...
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Dual Stimuli-responsive Multi-drug Delivery System for Individual Controlled Release of Anti-cancer Drugs

Chem. Commun. - 26 November, 2014 - 22:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08831J, CommunicationWang Xiao, Xuan Zeng, Hang Lin, Kai Han, Hui-zhen Jia, Xian-Zheng Zhang
A dual stimuli-responsive multi-drug delivery system was developed for "cancer cocktail therapy". Upon the UV irradiation, microcapsules can rapidly release the small-molecule drugs, and thereafter the macromolecular drugs would be...
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First Ever Observation of the Intermediate of Phosphonium Salt & Ylide Hydrolysis: P-Hydroxytetraorganophosphorane

Chem. Commun. - 26 November, 2014 - 22:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08644A, CommunicationPeter Byrne, Yannick Ortin, Declan Gilheany
P-hydroxytetraorganophosphorane, the long-postulated intermediate in phosphonium salt & ylide hydrolysis, has been observed and characterised by low temperature NMR, finally definitively establishing its involvement in these reactions. The results require...
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Zn10(Im)20[round bullet, filled]4DBF: An unprecedented 10-nodal zeolitic topology with 10-MR channel and 10 crystallographically independent Zn atoms

Chem. Commun. - 26 November, 2014 - 22:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07105K, CommunicationQi Shi, Xiaozhen Kang, Fa-Nian SHI, Jinxiang Dong
By using a large-size amide, dibutylformamide (DBF), as a structure directing agent, a new zeolitic imidazolate framework (ZIF) was synthesized. The ZIF Zn10(Im)20[round bullet, filled]4DBF has a previously unprecedented zeolitic topology and...
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Palladium-Catalyzed Benzothieno[2,3-b]indole Formation via Dehydroxylative-Dehydrogenative Double C-H Sulfuration with Sulfur Powder, Indoles and Cyclohexanones

Chem. Commun. - 26 November, 2014 - 22:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08370A, CommunicationGuo-Jun Deng, Yunfeng Liao, Yi Peng, Hongrui Qi, Hang Gong, Chao-Jun Li
A palladium-catalyzed C-S bond formation via dehydroxylative-dehydrogenative double C-H sulfuration with sulfur powder is described. The dehydrogenated intermediates of cyclohexanones were trapped to act as efficient aryl source under oxygen...
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Isoxazole to oxazole: a mild and unexpected transformation

Chem. Commun. - 26 November, 2014 - 22:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07999J, CommunicationR C F Jones, Alex Chatterley, Romain Marty, W Martin Owton, Mark Robert James Elsegood
3-Aryltetrahydrobenzisoxazoles prepared en route to the coleophomone natural products and analogues, were found to undergo a remarkable base-mediated rearrangement to 2-aryltetrahydrobenzoxazoles. The scope of this unprecedented, facile transformation was probed:...
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Iron-Mediated Markovnikov-Selective Hydro-trifluoromethylthiolation of Unactivated Alkenes

Chem. Commun. - 26 November, 2014 - 22:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08655D, CommunicationTao Yang, Long Lu, Qilong Shen
An iron-mediated hydro-trifluoromethylthiolation of unactivated olefins under mild conditions was described, for the first time. The reaction occurred within 30 min at 0 oC and tolerates a variety of functional...
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Metal controlled regioselectivity in the cyclometallation of 2-(naphthyl)-pyridine

Chem. Commun. - 26 November, 2014 - 22:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07962K, CommunicationMikhail Kondrashov, Sudarkodi Raman, Ola Wendt
Cyclometallation of 2-(naphthyl)-pyridine is described. While cyclopalladation results in a five-membered metallacycle, cycloauration displays a completely orthogonal regioselectivity, resulting in the six-membered ring analogue. Bromination of the gold metalacycle results...
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Designed Supramolecular Filamentous Peptides: Balance of Nanostructure, Cytotoxicity and Antimicrobial Activity

Chem. Commun. - 26 November, 2014 - 22:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08808E, CommunicationDawei Xu, Linhai Jiang, Anju Singh, Derek Dustin, Miao Yang, Ling Liu, Reidar Lund, Timothy J Sellati, He Dong
We present supramolecular antimicrobial peptide (AMP) assemblies which have broad-spectrum antimicrobial activity. We demonstrate that supramolecular AMPs can be designed to effectively strike a balance between materials structure, stability, cytotoxicity...
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[gamma]-Silylboronates in the Chiral Bronsted Acid-Catalysed Allylboration of Aldehydes

Chem. Commun. - 26 November, 2014 - 22:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08598A, CommunicationPablo Barrio, Elsa Rodriguez, Kodai Saito, Santos Fustero, Takahiko Akiyama
The use of functionalised allylboronic esters in the catalytic enantioselective allylboration of aldehydes is described for the first time. [gamma]-Silylallyl pinacolate derivatives give rise to [small alpha]-silyl homoallylic alcohols in high...
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Regio- and stereoselective synthesis of benzothiazolo-pyrimidinones via an NHC-catalyzed Mannich/lactamization domino reaction

Chem. Commun. - 26 November, 2014 - 22:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08594A, CommunicationDieter Enders, Qijian Ni, Xiaoxiao Song, Jiawen Xiong, Gerhard Raabe
An NHC-catalyzed regio- and stereoselective Mannich/lactamization domino reaction of N-(benzothiazolyl)imines with [small alpha]-chloroaldehydes has been developed. This new protocol provides a facile approach for the asymmetric synthesis of benzothiazolo-pyrimidinones and a...
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A photoswitchable supramolecular complex with release-and-report capabilities

Chem. Commun. - 26 November, 2014 - 22:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC08513B, CommunicationJesper R. Nilsson, Melanie C. O'Sullivan, S. Li, Harry L. Anderson, Joakim Andreasson
A supramolecular platform with an inherent report function has been designed for photoreversible control of guest concentration in solution.
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Tailor-made design of J- or H-aggregated naphthalenediimide-based gels and remarkable fluorescence turn on/off behaviour depending on solvents

Chem. Commun. - 26 November, 2014 - 22:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC06680D, CommunicationShibaji Basak, Nibedita Nandi, Abhishek Baral, Arindam Banerjee
Design of a supramolecular chameleon that displays solvent dependent control over H/J-aggregation as well as fluorescence turn on/off behaviour depending on the proper choice of solvents.
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Structural requirements for anti-oxidant activity of calix[n]arenes and their associated anti-bacterial activity

Chem. Commun. - 26 November, 2014 - 22:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC08576K, CommunicationE. K. Stephens, Y. Tauran, A. W. Coleman, M. Fitzgerald
We define the structural requirements for antioxidant activity of calix[n]arenes and relate these findings to the differential antibacterial activity of these calix[n]arenes against Gram+ and Gram- bacteria.
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Facile synthesis of gold and gold-based alloy nanowire networks using wormlike micelles as soft templates

Chem. Commun. - 26 November, 2014 - 22:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC08549C, CommunicationXinpei Gao, Fei Lu, Bin Dong, Yizhi Liu, Yanan Gao, Liqiang Zheng
Zwitterionic wormlike micelles with AuCl4- counterions were fabricated for the first time as the soft templates for colloidal synthesis of gold and gold-based alloy nanowire networks.
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