Chem. Commun.

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High-yield production of highly conductive graphene via reversible covalent chemistry

3 February, 2015 - 16:54

Chem. Commun., 2015, 51,2806-2809
DOI: 10.1039/C4CC09144B, CommunicationZhe Ji, Ji Chen, Liang Huang, Gaoquan Shi
A reversible covalent strategy based on the Diels-Alder reaction of graphite and tetracyanoethylene has been developed for the high-yield production of high-quality few-layer graphene.
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A cucurbit[5]uril analogue from dimethylpropanediurea-formaldehyde condensation

3 February, 2015 - 16:54

Chem. Commun., 2015, 51,2890-2892
DOI: 10.1039/C4CC09900A, CommunicationXiaoqing Jiang, Xuyang Yao, Xinghua Huang, Qiaochun Wang, He Tian
A new cucurbit[5]uril-like macrocycle has been synthesized and shows good solubility in water and organic solvents.
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Photochromism in sound-induced alignment of a diarylethene supramolecular nanofibre

3 February, 2015 - 16:54

Chem. Commun., 2015, 51,2790-2793
DOI: 10.1039/C4CC09702E, CommunicationYasuhisa Hotta, Satomi Fukushima, Jin Motoyanagi, Akihiko Tsuda
A photochromic supramolecular nanofibre, composed of a diarylethene derivative, exhibits hydrodynamic alignment upon exposure to the audible sound.
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Photocatalytic hydrogen evolution over [small beta]-iron silicide under infrared-light irradiation

3 February, 2015 - 16:54

Chem. Commun., 2015, 51,2818-2820
DOI: 10.1039/C4CC08093A, CommunicationMasaharu Yoshimizu, Ryoya Kobayashi, Makoto Saegusa, Toshihiro Takashima, Hiroshi Funakubo, Kensuke Akiyama, Yoshihisa Matsumoto, Hiroshi Irie
We investigated the ability of [small beta]-FeSi2 (0.80 eV) to serve as a hydrogen (H2)-evolution photocatalyst, sensitive to infrared light (>1300 nm).
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A binding-induced sutured toehold activation for controllable DNA strand displacement reactions

3 February, 2015 - 16:54

Chem. Commun., 2015, 51,2903-2906
DOI: 10.1039/C4CC08816F, CommunicationJing Zhu, Lei Wang, Wei Jiang
Leveraging upon the environmental stimuli-responsive hairpin reconfiguration, a novel toehold activation strategy for controlling the DNA strand displacement was developed.
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The promotion effect of surface negative electrostatic field on the photogenerated charge separation of BiVO4 and its contribution to the enhanced PEC water oxidation

3 February, 2015 - 16:54

Chem. Commun., 2015, 51,2821-2823
DOI: 10.1039/C4CC08835B, CommunicationMingzheng Xie, Ji Bian, Muhammad Humayun, Yang Qu, Yujie Feng, Liqiang Jing
The surface-carried negative charge of BiVO4 is favorable for the charge separation, leading to obviously enhanced visible-light-activity for PEC water oxidation.
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Multi-site cyclization via initial C-H activation using a rhodium(III) catalyst: rapid assembly of frameworks containing indoles and indolines

3 February, 2015 - 16:54

Chem. Commun., 2015, 51,2844-2847
DOI: 10.1039/C4CC07125E, CommunicationJi-Rong Huang, Liu Qin, Yu-Qin Zhu, Qiang Song, Lin Dong
Tandem multi-site cyclization triggered by Rh(III)-catalyzed C-H activation has been achieved for highly efficient synthesis of spirocycle indolin-3-one (C2-cyclization), benzo[a]carbazole (C3-cyclization) and an unusual indoxyl core (N1-cyclization).
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Cu(NO3)2[middle dot]3H2O-mediated cyanation of aryl iodides and bromides using DMF as a single surrogate of cyanide

3 February, 2015 - 16:54

Chem. Commun., 2015, 51,2840-2843
DOI: 10.1039/C4CC08579E, CommunicationLianpeng Zhang, Ping Lu, Yanguang Wang
Cyanation of aryl iodides and bromides were approached by using DMF as a single source of "CN" in the presence of cheap Cu(NO3)2[middle dot]3H2O.
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Synthesis of nanoporous 1,2,4-oxadiazole networks with high CO2 capture capacity

3 February, 2015 - 16:54

Chem. Commun., 2015, 51,2915-2917
DOI: 10.1039/C4CC08649J, CommunicationDongah Ko, Hasmukh A. Patel, Cafer T. Yavuz
Reproducible oxadiazole networks from silylated monomers show considerable CO2 uptake while being processable into membranes.
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Protecting group free enantiospecific total syntheses of structurally diverse natural products of the tetrahydrocannabinoid family

3 February, 2015 - 16:54

Chem. Commun., 2015, 51,2871-2873
DOI: 10.1039/C4CC08562K, CommunicationDattatraya H. Dethe, Rohan D. Erande, Samarpita Mahapatra, Saikat Das, Vijay Kumar B.
A simple, highly diastereoselective, Lewis acid catalyzed Friedel-Crafts coupling of a cyclic allylic alcohol with resorcinol derivatives has been developed.
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Carbon dot hybrids with oligomeric silsesquioxane: solid-state luminophores with high photoluminescence quantum yield and applicability in white light emitting devices

3 February, 2015 - 16:54

Chem. Commun., 2015, 51,2950-2953
DOI: 10.1039/C4CC09589H, CommunicationYu Wang, Sergii Kalytchuk, Lingyun Wang, Olga Zhovtiuk, Klara Cepe, Radek Zboril, Andrey L. Rogach
Highly efficient solid-state luminophores based on carbon dots embedded in a polyhedral oligomeric silsesquioxane matrix are reported, with strong deep blue emission and a record high photoluminescence quantum yield of 60%.
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Regioselective electrophilic borylation of haloarenes

3 February, 2015 - 16:54

Chem. Commun., 2015, 51,2878-2881
DOI: 10.1039/C4CC10153G, CommunicationAlessandro Del Grosso, Josue Ayuso Carrillo, Michael J. Ingleson
Haloarenes undergo direct borylation using amine : BCl3 : AlCl3 in the ratio of 1 : 1 : 2.
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Extended [small pi]-conjugated ruthenium zinc-porphyrin complexes with enhanced nonlinear-optical properties

3 February, 2015 - 16:54

Chem. Commun., 2015, 51,2855-2858
DOI: 10.1039/C4CC09592H, CommunicationMiriam de Torres, Sergey Semin, Ilya Razdolski, Jialiang Xu, Johannes A. A. W. Elemans, Theo Rasing, Alan E. Rowan, Roeland J. M. Nolte
Zinc porphyrin dimers and trimers, in which the porphyrins are connected via a ruthenium metal core, exhibit large third-order nonlinear optical absorption coefficients and refractive indices.
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Photodriven [2]rotaxane-[2]catenane interconversion

3 February, 2015 - 16:54

Chem. Commun., 2015, 51,2810-2813
DOI: 10.1039/C4CC09472G, CommunicationArnaud Tron, Henri-Pierre Jacquot de Rouville, Aurelien Ducrot, James H. R. Tucker, Massimo Baroncini, Alberto Credi, Nathan D. McClenaghan
The reversible photocyclomerization of terminal anthracene units enables the interconversion between [2]rotaxane and [2]catenane molecular topologies.
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Organometallic polyphosphorus and -arsenic ligands as linkers between pre-assembled linear CuI fragments

3 February, 2015 - 16:54

Chem. Commun., 2015, 51,2893-2895
DOI: 10.1039/C4CC09845E, CommunicationMartin Fleischmann, Luis Dutsch, Mehdi Elsayed Moussa, Andrea Schindler, Gabor Balazs, Christophe Lescop, Manfred Scheer
We present a simple route to multimetallic CuI building blocks and their interaction with organometallic polyphosphorus and -arsenic linkers affording in novel polynuclear complexes or one-dimensional coordination polymers.
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Rhodium(III)-catalyzed C-H activation and intermolecular annulation with terminal alkynes: from indoles to carbazoles

3 February, 2015 - 16:54

Chem. Commun., 2015, 51,2925-2928
DOI: 10.1039/C4CC09823D, CommunicationJinlong Jia, Jingjing Shi, Jie Zhou, Xuelei Liu, Yanling Song, H. Eric Xu, Wei Yi
A new and mild Rh(III)-catalyzed intermolecular annulation of indoles with terminal alkynes for the direct synthesis of carbazoles has been developed.
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Template-free TiO2 hollow submicrospheres embedded with SnO2 nanobeans as a versatile scattering layer for dye-sensitized solar cells

3 February, 2015 - 16:54

Chem. Commun., 2015, 51,2848-2850
DOI: 10.1039/C4CC07700H, CommunicationChih-Liang Wang, Jin-Yun Liao, Yubao Zhao, Arumugam Manthiram
Nanobean SnO2-embedded TiO2 hollow submicrospheres as a scattering layer of dye-sensitized solar cells allow to simultaneously promote dye adsorption, light harvesting, and electron transport, leading to 28% improvement in the conversion efficiency compared to film-based SnO2.
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Surfactant free superparamagnetic iron oxide nanoparticles for stable ferrofluids in physiological solutions

3 February, 2015 - 16:54

Chem. Commun., 2015, 51,2863-2866
DOI: 10.1039/C4CC09277E, CommunicationK. Mandel, M. Stra[German sz ligature}er, T. Granath, S. Dembski, G. Sextl
Ferrofluids of superparamagnetic Fe3O4 nanoparticles with "patchy" silica shell are stable over a wide pH range and in physiological solutions.
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Facile construction of well-defined fullerene-dendrimer supramolecular nanocomposites for bioapplications

3 February, 2015 - 16:54

Chem. Commun., 2015, 51,2851-2854
DOI: 10.1039/C4CC09082A, CommunicationXiaojie Li, Yasuo Watanabe, Eiji Yuba, Atsushi Harada, Takeharu Haino, Kenji Kono
Well-defined supramolecular nanocomposites with biofunctions were facilely fabricated through complexation of carboxyfullerenes with poly(ethylene glycol)-modified poly(amidoamine) dendrimers.
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