Chem. Commun.

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Synthesis of monodisperse nanocolloidal microspheres with controlled size by vesicle bilayer templating

16 June, 2014 - 06:17

Chem. Commun., 2014, 50,7363-7366
DOI: 10.1039/C4CC02520B, CommunicationTong Huang, Xiaohua Huang, Xiaoyi Sun, Yongfeng Zhou, Yongping Bai, Deyue Yan
Uniform PS colloidal particles with controllable size ranging from 60 to 150 nm were prepared on a mass scale by using the bilayers of hyperbranched polymer vesicles as templates.
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Facile synthesis of fluorescent active triazapentalenes through gold-catalyzed triazole-alkyne cyclization

16 June, 2014 - 06:17

Chem. Commun., 2014, 50,7303-7305
DOI: 10.1039/C4CC03175J, CommunicationRong Cai, Dawei Wang, Yunfeng Chen, Wuming Yan, Natalie R. Geise, Sripadh Sharma, Huiyuan Li, Jeffrey L. Petersen, Minyong Li, Xiaodong Shi
Fluorescent active triazapentalene zwitterions (TAPZs) were prepared through Au(I) catalyzed triazole-alkyne 5-endo-dig cyclization.
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Rhodium-catalyzed intramolecular annulation via C-H activation leading to fused tricyclic indole scaffolds

16 June, 2014 - 06:17

Chem. Commun., 2014, 50,7367-7370
DOI: 10.1039/C4CC02947J, CommunicationPengyu Tao, Yanxing Jia
A new method for the synthesis of fused tricyclic indoles via a rhodium catalyzed intramolecular C-H activation reaction is described.
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Rhodium(III)-catalyzed intramolecular amidoarylation and hydroarylation of alkyne via C-H activation: switchable synthesis of 3,4-fused tricyclic indoles and chromans

16 June, 2014 - 06:17

Chem. Commun., 2014, 50,7306-7309
DOI: 10.1039/C4CC02398F, CommunicationXue Zhang, Yifei Li, Hui Shi, Lunan Zhang, Shanshan Zhang, Xianxiu Xu, Qun Liu
An intramolecular amidoarylation and hydroarylation of alkyne via rhodium(III)-catalyzed C-H activation was developed for the switchable synthesis of 3,4-fused indoles and chromans.
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Synthesis of very small diameter silica nanofibers using sound waves

16 June, 2014 - 06:17

Chem. Commun., 2014, 50,7277-7279
DOI: 10.1039/C4CC03206C, CommunicationPanos Datskos, Jihua Chen, Jaswinder Sharma
Silica nanofibers of an average diameter of 30 nm were synthesized using sound waves.
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Zinc-mediated CH-activation of tetrahydrofuran under mild conditions for the regioselective addition to aryl-propiolates

16 June, 2014 - 06:17

Chem. Commun., 2014, 50,7310-7313
DOI: 10.1039/C4CC03348E, CommunicationFlorian Punner, Gerhard Hilt
The CH-activation of THF is realised in a zinc-mediated process using a dibromocyclopropane as a crucial additive for the highly regioselective addition to aryl-substituted propiolates and diynes.
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Cyclodextrin-based supramolecular nanoparticles stabilized by balancing attractive host-guest and repulsive electrostatic interactions

16 June, 2014 - 06:17

Chem. Commun., 2014, 50,7280-7282
DOI: 10.1039/C4CC03136A, CommunicationLaura Grana Suarez, Willem Verboom, Jurriaan Huskens
Multicomponent, negatively charged supramolecular nanoparticles were prepared without the need of a stopper. Their size and stability are controlled owing to a balance of forces between attractive supramolecular and repulsive electrostatic interactions.
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The aqueous colloidal suspension of ultrathin 2D MCM-22P crystallites

16 June, 2014 - 06:17

Chem. Commun., 2014, 50,7378-7381
DOI: 10.1039/C4CC02540G, CommunicationTosapol Maluangnont, Yusuke Yamauchi, Takayoshi Sasaki, Wieslaw J. Roth, Jiri Cejka, Martin Kubu
The aqueous colloid containing ultrathin 2D crystallites of MCM-22P, including 2.5 nm thick (i.e., monolayers) ones.
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Insights into an intriguing gas sorption mechanism in a polar metal-organic framework with open-metal sites and narrow channels

16 June, 2014 - 06:17

Chem. Commun., 2014, 50,7283-7286
DOI: 10.1039/C4CC03070B, CommunicationKatherine A. Forrest, Tony Pham, Keith McLaughlin, Adam Hogan, Brian Space
The metal-organic framework (MOF) [Cu(Me-4py-trz-ia)] exhibits an intriguing sorption mechanism for H2 and CO2 as discerned through molecular simulations.
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Intracellular gold nanoparticle aggregation and their potential applications in photodynamic therapy

16 June, 2014 - 06:17

Chem. Commun., 2014, 50,7287-7290
DOI: 10.1039/C4CC02376E, CommunicationYamin Yang, Yue Hu, Henry Du, Hongjun Wang
Intracellular formation of Au NP aggregates based on the electrostatic interaction between oppositely charged Au NPs, which can further promote singlet oxygen generation upon light irradiation to improve the therapeutic efficiency of Au NP-enhanced photodynamic therapy of cancer (M: mitochondria; L: lysosome).
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Na+-functionalized carbon quantum dots: a new draw solute in forward osmosis for seawater desalination

16 June, 2014 - 06:17

Chem. Commun., 2014, 50,7318-7321
DOI: 10.1039/C4CC01603C, CommunicationChun Xian Guo, Dieling Zhao, Qipeng Zhao, Peng Wang, Xianmao Lu
A new type of draw solute is developed, demonstrating a high forward osmosis water flux and negligible reverse solute permeation.
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Interfacial mass transfer by controlled multilayer disassembly

16 June, 2014 - 06:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC00495G, CommunicationMichael Morozov, Leila Motiei, Joyanta Choudhury, Antonino Gulino, Michal Lahav, Milko E. van der Boom
We demonstrated the one-pot disassembly of self-propagating molecular assemblies (SPMAs) by ligand exchange and the subsequent covalent binding of the molecular components to other surfaces.
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Silver-catalyzed decarboxylative acylfluorination of styrenes in aqueous media

16 June, 2014 - 06:17

Chem. Commun., 2014, 50,7382-7384
DOI: 10.1039/C4CC02800G, CommunicationHua Wang, Li-Na Guo, Xin-Hua Duan
A mild catalytic decarboxylative acylfluorination of styrenes with [small alpha]-oxocarboxylic acids and Selectfluor is reported. This operationally simple and efficient method provides a fundamentally novel approach toward the synthesis of [small beta]-fluorinated 3-aryl ketones with a wide range of substrate scope.
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Neutral color tuning of polymer electrochromic devices using an organic dye

16 June, 2014 - 06:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC02289K, CommunicationYumin Zhu, Michael T. Otley, Amrita Kumar, Mengfang Li, Xiaozheng Zhang, Chris Asemota, Gregory A. Sotzing
Color neutrality for electrochromic devices is demonstrated via a single layer deposition (lamination) technique using only commercially available materials.
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Dynamic rearrangement of bilayers of porphyrin hetero-dimers at a solid/liquid interface

16 June, 2014 - 06:17

Chem. Commun., 2014, 50,7291-7294
DOI: 10.1039/C4CC02963A, CommunicationDennis Lensen, Thomas Habets, Johannes A. A. W. Elemans
Porphyrin hetero-dimers self-assemble into bilayers that dynamically rearrange at a solid/liquid interface.
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Colloidal core-shell materials with 'spiky' surfaces assembled from gold nanorods

16 June, 2014 - 06:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC02410A, CommunicationIris W. Guo, Idah C. Pekcevik, Michael C. P. Wang, Brandy K. Pilapil, Byron D. Gates
Colloidal particles are prepared with a 'spiky' surface topography achieved by the self-assembly of gold nanorods onto the surfaces of spherical polystyrene cores. These core-shell assemblies exhibit surface plasmon resonance properties and serve as a platform for surface-enhanced Raman spectroscopy measurements.
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Height dependent molecular trapping in stacked cyclic porphyrin nanorings

16 June, 2014 - 06:17

Chem. Commun., 2014, 50,7332-7335
DOI: 10.1039/C4CC02629B, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Maria B. Wieland, Luis M. A. Perdigao, Dmitry V. Kondratuk, James N. O'Shea, Harry L. Anderson, Peter H. Beton
Stacked cyclic porphyrin nanorings function as traps for fullerene molecules dependent on stack height and diameter of the nanoring.
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A disposable indium-tin-oxide sensor modified by gold nanorod-chitosan nanocomposites for the detection of H2O2 in cancer cells

16 June, 2014 - 06:17

Chem. Commun., 2014, 50,7329-7331
DOI: 10.1039/C4CC01972E, CommunicationChunmei Yu, Zhenkun Zhu, Qiuhong Wang, Wei Gu, Ning Bao, Haiying Gu
A paper-based electroanalytical device integrated with a disposable ITO electrode was developed for the real-time detection of cellular H2O2.
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Development of a redox-free Mitsunobu reaction exploiting phosphine oxides as precursors to dioxyphosphoranes

16 June, 2014 - 06:17

Chem. Commun., 2014, 50,7340-7343
DOI: 10.1039/C4CC02171A, CommunicationXiaoping Tang, Charlotte Chapman, Matthew Whiting, Ross Denton
The development of a redox-free protocol for Mitsunobu inversion is described.
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Rhodium-catalyzed regio- and stereoselective oxyamination of dienes via tandem aziridination/ring-opening of dienyl carbamates

16 June, 2014 - 06:17

Chem. Commun., 2014, 50,7344-7347
DOI: 10.1039/C4CC01312C, CommunicationJoan Guasch, Yolanda Diaz, M. Isabel Matheu, Sergio Castillon
The dual role of a Rh(II) catalyst both as a nitrene transfer agent and as a Lewis acid in the aziridine ring opening allows the regio- and stereoselective oxyamination of dienyl carbamates.
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