Chem. Commun.

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From [small pi]-expanded coumarins to [small pi]-expanded pentacenes

20 July, 2014 - 13:54

Chem. Commun., 2014, 50,9105-9108
DOI: 10.1039/C4CC03078H, CommunicationMarek K. Weclawski, Mariusz Tasior, Tommy Hammann, Piotr J. Cywinski, Daniel T. Gryko
Dihydroxyanthraquinone can be transformed into head-to-tail bis-coumarins which undergo photo-dehydrogenative coupling leading to coronene derivatives.
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Heterogeneous copper-catalyzed hydroxylation of aryl iodides under air conditions

18 July, 2014 - 13:17

Chem. Commun., 2014, 50,9072-9075
DOI: 10.1039/C4CC02267J, CommunicationGuodong Ding, Hongling Han, Tao Jiang, Tianbin Wu, Buxing Han
The synthesis of ligand-free heterogeneous copper-catalyzed phenols through the hydroxylation of aryl iodides using cheap bases under air conditions was reported.
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Polymeric micelle assembly for the direct synthesis of functionalized mesoporous silica with fully accessible Pt nanoparticles toward an improved CO oxidation reaction

18 July, 2014 - 13:17

Chem. Commun., 2014, 50,9101-9104
DOI: 10.1039/C4CC02556C, CommunicationBishnu Prasad Bastakoti, Yunqi Li, Nobuyoshi Miyamoto, Noelia M. Sanchez-Ballester, Hideki Abe, Jinhua Ye, Pavuluri Srinivasu, Yusuke Yamauchi
Pt-decorated mesoporous silica is directly prepared through a polymeric micelles assembly approach using an asymmetric triblock copolymer.
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One-pot Stober route yields template for Ag@carbon yolk-shell nanostructures

18 July, 2014 - 13:17

Chem. Commun., 2014, 50,9056-9059
DOI: 10.1039/C4CC02507E, CommunicationRui Liu, Yao-Wen Yeh, Vivienne H. Tam, Fengli Qu, Nan Yao, Rodney D. Priestley
A one-pot route is demonstrated to synthesize Ag, AgBr-silica-resorcinol formaldehyde polymer core-shell-shell templates for the formation of Ag@carbon yolk-shell nanostructures.
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Aromatic fused heterocyclic [22] macrocycles with NIR absorption

18 July, 2014 - 13:17

Chem. Commun., 2014, 50,9094-9096
DOI: 10.1039/C4CC02749C, CommunicationHarapriya Rath, Abhijit Mallick, Tubai Ghosh, Alok Kalita
Three related aromatic [22] heteroporphyrins have been synthesized and characterized, with the target of achieving NIR absorption. The propensity of these smallest [small pi]-conjugated macrocycles to absorb in NIR region is benefitted from fusion/annelation of precursor heterocycles.
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A photoresponsive graphene oxide-C60 conjugate

18 July, 2014 - 13:17

Chem. Commun., 2014, 50,9053-9055
DOI: 10.1039/C3CC49589B, CommunicationM. Barrejon, M. Vizuete, M. J. Gomez-Escalonilla, J. L. G. Fierro, I. Berlanga, F. Zamora, G. Abellan, P. Atienzar, J.-F. Nierengarten, H. Garcia, F. Langa
An all-carbon donor-acceptor hybrid combining graphene oxide (GO) and C60 has been prepared.
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Studying the dynamic behaviour of porphyrins as prototype functional molecules by scanning tunnelling microscopy close to room temperature

18 July, 2014 - 13:17

Chem. Commun., 2014, 50,9034-9048
DOI: 10.1039/C4CC01744G, Feature ArticleH. Marbach, H.-P. Steinruck
Scanning tunnelling microscopy of the dynamics of functional molecules (porphyrins) close to room temperature enables a detailed determination of the thermodynamic potentials including entropic contributions of the underlying processes.
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The effect of supported MoOX structures on the reaction pathways of propene formation in the metathesis of ethylene and 2-butene

18 July, 2014 - 13:17

Chem. Commun., 2014, 50,9060-9063
DOI: 10.1039/C4CC01827C, CommunicationT. Hahn, E. V. Kondratenko, D. Linke
The structure of supported MoOX species determines propene selectivity in the metathesis of ethylene and 2-butene.
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Dendronized supramolecular polymers

16 July, 2014 - 12:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03119A, Feature ArticleJiatao Yan, Wen Li, Afang Zhang
Supramolecular polymers from dendritic motifs combine the dynamic nature of supramolecular construction and inherent features from covalent dendronized polymers.
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Transmission of photo-catalytic function in a self-replicating chemical system: in situ amphiphile production over two protocell generations

16 July, 2014 - 12:54

Chem. Commun., 2014, 50,8989-8992
DOI: 10.1039/C4CC01543F, CommunicationA. N. Albertsen, S. E. Maurer, K. A. Nielsen, P.-A. Monnard
The transmission of a protocell catalytic function during self-replication was demonstrated using a glass microsphere-supported protocell design.
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Palladium catalyzed intramolecular acylcyanation of alkenes using [small alpha]-iminonitriles

16 July, 2014 - 12:54

Chem. Commun., 2014, 50,8974-8977
DOI: 10.1039/C4CC04068F, CommunicationNaveen R. Rondla, Jodi M. Ogilvie, Zhongda Pan, Christopher J. Douglas
Catalytic C-C bond activation of accessible [small alpha]-iminonitriles enable the first alkene acylcyanation reactions via a unimolecular reaction (crossover study).
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Entrapment in giant polymersomes of an inorganic oscillatory chemical reaction and resulting chemo-mechanical coupling

16 July, 2014 - 12:54

Chem. Commun., 2014, 50,8970-8973
DOI: 10.1039/C4CC02321H, CommunicationTereza Pereira de Souza, Juan Perez-Mercader
We present the entrapment of a fully oscillating BZ reaction inside a polymersome and report on the subsequent polymersome chemomechanics.
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Are Zr6-based MOFs water stable? Linker hydrolysis vs. capillary-force-driven channel collapse

16 July, 2014 - 12:54

Chem. Commun., 2014, 50,8944-8946
DOI: 10.1039/C4CC02401J, CommunicationJoseph E. Mondloch, Michael J. Katz, Nora Planas, David Semrouni, Laura Gagliardi, Joseph T. Hupp, Omar K. Farha
Linker hydrolysis and capillary-force-driven channel collapse has been assessed in two Zr6-based MOFs, UiO-67 and NU-1000.
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A cooperative Pd-Cu system for direct C-H bond arylation

16 July, 2014 - 12:54

Chem. Commun., 2014, 50,8927-8929
DOI: 10.1039/C4CC03201B, CommunicationMathieu Lesieur, Faima Lazreg, Catherine S. J. Cazin
A dual metal system bearing NHCs has been developed for the challenging construction of C-C bonds from arenes and heteroarenes.
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Productive encounter: molecularly imprinted nanoparticles prepared using magnetic templates

16 July, 2014 - 12:54

Chem. Commun., 2014, 50,8993-8996
DOI: 10.1039/C4CC01346H, CommunicationMelanie Berghaus, Reza Mohammadi, Borje Sellergren
Synthesis of core-shell nanoparticles in presence of a chiral template conjugated to magnetic particles leads to imprinted nanoparticles featuring enhanced affinity compared to nanoparticles prepared using free template.
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Structural evolution in ordered mesoporous TiO2 anatase electrodes

16 July, 2014 - 12:54

Chem. Commun., 2014, 50,8997-8999
DOI: 10.1039/C4CC04033C, CommunicationBryan T. Yonemoto, Qianying Guo, Gregory S. Hutchings, Won Cheol Yoo, Mark A. Snyder, Feng Jiao
Cracks found after cycling spherical, mesoporous TiO2 anatase electrodes are responsible, at least partially, for capacity loss.
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epi-Fluorescence imaging at the air-water interface of fibrillization of bovine serum albumin and human insulin

16 July, 2014 - 12:54

Chem. Commun., 2014, 50,8955-8957
DOI: 10.1039/C4CC04030A, CommunicationKristen Sessions, Stuart Sacks, Shanghao Li, Roger M. Leblanc
epi-Fluorescence microscopy at the air-water interface was developed for qualitatively observing protein fibrillization.
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Bimolecular porous supramolecular networks deposited from solution on layered materials: graphite, boron nitride and molybdenum disulphide

16 July, 2014 - 12:54

Chem. Commun., 2014, 50,8882-8885
DOI: 10.1039/C4CC03720K, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Vladimir V. Korolkov, Simon A. Svatek, Stephanie Allen, Clive J. Roberts, Saul J. B. Tendler, Takashi Taniguchi, Kenji Watanabe, Neil R. Champness, Peter H. Beton
Solution deposition and molecular resolution AFM of bimolecular supramolecular networks on layered materials including the insulating boron nitride surface.
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Controlling the morphology and optoelectronic properties of graphene hybrid materials by porphyrin interactions

16 July, 2014 - 12:54

Chem. Commun., 2014, 50,8951-8954
DOI: 10.1039/C4CC03458A, CommunicationHua Xu, Pin Wu, Chen Liao, Changgui Lv, Zhongze Gu
An approach to control the curling, unfolding and optoelectronic properties of graphene hybrid materials by porphyrin interactions on the basal planes of graphene has been developed.
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The causality principle in the reconstruction of sparse NMR spectra

16 July, 2014 - 12:54

Chem. Commun., 2014, 50,8947-8950
DOI: 10.1039/C4CC03047H, CommunicationM. Mayzel, K. Kazimierczuk, V. Yu. Orekhov
Improved quality of NMR spectra reconstruction from non-uniformly sampled data by harnessing the causality principle and prior knowledge about the signal phase.
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