Chem. Commun.

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Polymer membrane with a mineral coating for enhanced curling resistance and surface wettability

29 July, 2015 - 11:17

Chem. Commun., 2015, 51,12779-12782
DOI: 10.1039/C5CC03216D, CommunicationHao-Cheng Yang, Yi-Fu Chen, Chen Ye, Yi-Ning Jin, Hanying Li, Zhi-Kang Xu
A zirconia-wrapped membrane with excellent curling resistance and surface wettability was fabricated via a biomineralization process.
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Highly efficient heterogeneous aerobic cross-dehydrogenative coupling via C-H functionalization of tertiary amines using a nanoporous gold skeleton catalyst

29 July, 2015 - 11:17

Chem. Commun., 2015, 51,12764-12767
DOI: 10.1039/C5CC04856G, CommunicationHon Eong Ho, Yoshifumi Ishikawa, Naoki Asao, Yoshinori Yamamoto, Tienan Jin
We disclosed that zero-valent nanoporous gold (AuNPore) possesses remarkable catalytic activity and reusability for heterogeneous aerobic cross-dehydrogenative coupling (CDC) of various tertiary amines with nucleophiles.
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Thermosetting resins with high fractions of free volume and inherently low dielectric constants

29 July, 2015 - 11:17

Chem. Commun., 2015, 51,12760-12763
DOI: 10.1039/C5CC03899E, CommunicationLiang-Kai Lin, Chien-Chieh Hu, Wen-Chiung Su, Ying-Ling Liu
A new class of thermosetting resins are developed through the ketene chemistry with in situ formation of cavities in the resins so as to reduce the dielectric constants of the resins to about 2.0.
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One-pot microfluidic fabrication of graphene oxide-patched hollow hydrogel microcapsules with remarkable shell impermeability

29 July, 2015 - 11:17

Chem. Commun., 2015, 51,12756-12759
DOI: 10.1039/C5CC04547A, CommunicationAram Byun, Jongwon Shim, Sang Woo Han, Bohyun Kim, Pil Seok Chae, Hyeong Seok Shin, Jin Woong Kim
Uniform hollow hydrogel microcapsules, composed of a graphene oxide platelet-patched hydrogel shell, are fabricated in one step in a capillary-based microfluidic device.
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A FRET-based carbon dot-MnO2 nanosheet architecture for glutathione sensing in human whole blood samples

29 July, 2015 - 11:17

Chem. Commun., 2015, 51,12748-12751
DOI: 10.1039/C5CC04905A, CommunicationYuhui Wang, Kai Jiang, Jiali Zhu, Ling Zhang, Hengwei Lin
A novel FRET model employing fluorescent carbon dots and MnO2 nanosheets as donor-acceptor pairs is built for GSH sensing.
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Facet-dependent NiS2 polyhedrons on counter electrodes for dye-sensitized solar cells

29 July, 2015 - 11:17

Chem. Commun., 2015, 51,12863-12866
DOI: 10.1039/C5CC03890A, CommunicationJinlong Zheng, Wei Zhou, Yiran Ma, Wei Cao, Chengbo Wang, Lin Guo
Octahedral and cubic NiS2 nanocrystals enclosed by {111} and {100} planes were separately used as counter electrodes in DSSCs, and the facet-dependent electrochemical performance was disclosed.
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A cyclic dodecanuclear cobalt cluster based on a derivative of the rhodamine 6G dye with unusual magnetization

29 July, 2015 - 11:17

Chem. Commun., 2015, 51,12716-12719
DOI: 10.1039/C5CC04401D, CommunicationHong Xu, Qian Wang, Jian-Hua Qin, Shuang-Quan Zang, Stuart K. Langley, Keith. S. Murray, Boujemaa Moubaraki, Stuart R. Batten, Thomas C. W. Mak
A novel cyclic dodecanuclear cluster [CoII12(L)6(OH)6(Ac)6][middle dot]2DMF (1) decorated by a rhodamine 6G derivative (H2L) presents dominant intracluster antiferromagnetic interactions with S-shaped M vs. H plots.
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A new Keggin-like niobium-phosphate cluster that reacts reversibly with hydrogen peroxide

29 July, 2015 - 11:17

Chem. Commun., 2015, 51,12744-12747
DOI: 10.1039/C5CC03782D, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Jung-Ho Son, William H. Casey
Solid niobium phosphate (NbOPO4[middle dot]xH2O) is well known as a biomass-conversion catalyst, yet the chemical pathways are unclear. Here we report solution chemistry of a new niobophosphate cluster [H3Nb9P5O41]9- that reacts with H2O2 to form peroxo-Nb4P2, and this reaction can be reversed by hydrothermal treatment. We suggest that this cluster is a useful molecular model for the solid.
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Two-step energy transfer enables use of phenylalanine in action-EET for distance constraint determination in gaseous biomolecules

29 July, 2015 - 11:17

Chem. Commun., 2015, 51,12720-12723
DOI: 10.1039/C5CC03779D, CommunicationNathan G. Hendricks, Ryan R. Julian
Two-step energy transfer is observed between phenylalanine, tyrosine, and modified cysteine. This gas-phase system enables use of phenylalanine in energy transfer experiments, provides specific distance information for structure determination, and is easily examined with mass spectrometry.
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Ni-promoted synthesis of graphitic carbon nanotubes from in situ produced graphitic carbon for dehydrogenation of ethylbenzene

29 July, 2015 - 11:17

Chem. Commun., 2015, 51,12859-12862
DOI: 10.1039/C5CC02593A, CommunicationJing Wang, Zhongzhe Wei, Yutong Gong, Shiping Wang, Diefeng Su, Chuanlong Han, Haoran Li, Yong Wang
Ni promoted the synthesis of graphitic carbon nanotubes from in situ produced graphitic carbon and exhibited excellent activity in dehydrogenation of ethylbenzene.
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Significant stabilization of palladium by gold in the bimetallic nanocatalyst leading to an enhanced activity in the hydrodechlorination of aryl chlorides

29 July, 2015 - 11:17

Chem. Commun., 2015, 51,12724-12727
DOI: 10.1039/C5CC04432D, CommunicationSangita Karanjit, Atchaleeya Jinasan, Ekasith Samsook, Raghu N. Dhital, Kenichi Motomiya, Yoshinori Sato, Kazuyuki Tohji, Hidehiro Sakurai
The stabilization of Pd by Au in Au/Pd bimetallic nanoclusters enhanced the reactivity of Pd and changed the reaction mechanism.
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Approaching the limit of CuII/CuI mixed valency in a CuIBr2-N-methylquinoxalinium hybrid compound

29 July, 2015 - 11:17

Chem. Commun., 2015, 51,12740-12743
DOI: 10.1039/C5CC04142B, CommunicationNicolas Leblanc, Stephen Sproules, Claude Pasquier, Pascale Auban-Senzier, Helene Raffy, Annie K. Powell
We present a novel 1D hybrid salt (MQ)[CuBr2][infinity] (MQ = N-methylquinoxalinium) containing less than 0.1% CuII and yet shows properties consistent with a mixed valent structure.
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Real time chemical imaging of a working catalytic membrane reactor during oxidative coupling of methane

29 July, 2015 - 11:17

Chem. Commun., 2015, 51,12752-12755
DOI: 10.1039/C5CC03208C, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.A. Vamvakeros, S. D. M. Jacques, V. Middelkoop, M. Di Michiel, C. K. Egan, I. Z. Ismagilov, G. B. M. Vaughan, F. Gallucci, M. van Sint Annaland, P. R. Shearing, R. J. Cernik, A. M. Beale
We report the results from an operando XRD-CT study of a working catalytic membrane reactor for the oxidative coupling of methane.
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Reactivity of carbon dioxide in hydrofluoroethers: a facile access to cyclic carbonates

29 July, 2015 - 11:17

Chem. Commun., 2015, 51,12736-12739
DOI: 10.1039/C5CC03896K, CommunicationMarius Mamone, Thierry Milcent, Benoit Crousse
The reactivity of CO2 dissolved in high quantities in hydrofluoroethers was enhanced and allowed the formation of cyclic carbonates from epoxides with excellent selectivities.
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Bond-Shift Isomers: The Co-existence of Allenic and Propargylic Phenylnitrile Imines

29 July, 2015 - 11:17
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC03518J, CommunicationClaudio Manaia Nunes, Igor D. Reva, Rui Fausto, Didier Begue, Curt Wentrup
We discovered a 1,3-dipolar species co-existing in two different structures. Photolysis of matrix-isolated 5-phenyltetrazole generates two forms of phenylnitrile imine: propargylic and allenic. They are not resonance structures but different...
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Improved mechanical stability of HKUST-1 in confined nanospace

29 July, 2015 - 11:17
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC05107J, CommunicationMirian Casco, Javier Fernandez-Catala, Enrique V. Ramos Fernandez, M. Martinez-Escandell, Fransisco Rodriguez-Reinoso, Joaquin Silvestre-Albero
One of the main concerns in the technological appplication of several metal-organic frameworks (MOFs) relates to their structural instability under pressure (after a conforming step). Here we report for the...
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From metal-organic framework to hierarchical high surface-area hollow octahedral carbon cages

29 July, 2015 - 11:17
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC04230E, CommunicationArshad Aijaz, Jian-Ke Sun, Pradip Pachfule, Takeyuki Uchida, Qiang Xu
For the first time, high surface-area hierarchical hollow octahedral carbon cages have been successfully fabricated by carbonization of a metal-organic framework, MIL-100(Al), followed by subsequent controlled acid etching, which exhibit...
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Visible Light Mediated Efficient Oxidative Benzylic sp3 C-H to Ketone Derivatives under Mild Conditions using O2

29 July, 2015 - 11:17
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC06015J, CommunicationHong Yi, Changliang Bian, Xia Hu, Linbin Niu, Aiwen Lei
A photooxygenation of benzylic sp3 C-H reaction has been demonstrated using O2 mediated by visible light. This protocol provides a simple and mild route to ketones from benzylic sp3 C-H...
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Evidence for a zwitterionic transition state in double bond rotations within tungsten-vinyl complexes

29 July, 2015 - 11:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC04851F, CommunicationS. A. Gonsales, M. E. Pascualini, I. Ghiviriga, A. S. Veige
Compelling evidence from both experiment and computations point toward a zwitterionic transition state in M-C[double bond, length as m-dash]C double bond rotation.
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Amorphous metal-organic frameworks for drug delivery

29 July, 2015 - 11:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC05237H, CommunicationClaudia Orellana-Tavra, Emma F. Baxter, Tian Tian, Thomas D. Bennett, Nigel K. H. Slater, Anthony K. Cheetham, David Fairen-Jimenez
We show controlled release over a 30 day period compared with the release from crystalline MOF, which occurs in less than 2 days.
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