Chem. Commun.

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Chemoselective arylation of phenols with bromo-nitroarenes: synthesis of nitro-biaryl-ols and their conversion into benzofurans and carbazoles

26 July, 2014 - 16:17

Chem. Commun., 2014, 50,9481-9484
DOI: 10.1039/C4CC03090G, CommunicationAmit Kumar, Abhimanyu Yadav, Ajay Verma, Sadhan Jana, Moh. Sattar, Shailesh Kumar, Ch. Durga Prasad, Sangit Kumar
A series of substituted phenols were chemoselectively arylated with bromo-nitroarenes using KOtBu at room temperature via an SNAr pathway.
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Tailor-made graphite oxide-DAB poly(propylene imine) dendrimer intercalated hybrids and their potential for efficient CO2 adsorption

24 July, 2014 - 15:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC03996C, CommunicationTheodoros Tsoufis, Fotios Katsaros, Zili Sideratou, Georgios Romanos, Oleksii Ivashenko, Petra Rudolf, Bart J. Kooi, Sergios Papageorgiou, Michael Karakasides
We report for the first time the successful intercalation of low molecular weight DAB poly(propylene imine) dendritic polymers (denoted hereafter as DAB) into graphite oxide (denoted hereafter as GO) towards...
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High performance asymmetrical push-pull small molecules end-capped with cyanophenyl for solution-processed solar cells

24 July, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04020A, CommunicationHang Gao, Yanqin Li, Lihui Wang, Changyan Ji, Yue Wang, Wenjing Tian, Xichuan Yang, Lunxiang Yin
The novel asymmetrical push-pull small molecule TPATDPPCN end-capped with cyanophenyl exhibits an impressive PCE of 5.94%.
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Poly(N-cyanoethylethyleneimine): a new nanoscale template for biomimetic silicification

24 July, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC02285H, CommunicationDaisuke Noda, Yoshiaki Arai, Daiki Souma, Hideo Nagashima, Ren-Hua Jin
Nanocrystalline entities of poly(N-cyanoethylethyleneimine) (PCEI) could serve as catalytic templates affording nanosheet-based structured silica under mild conditions.
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A convergent rhodium-catalysed asymmetric synthesis of tetrahydroquinolines

24 July, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04940C, CommunicationHo Yin Li, Joachim Horn, Amanda Campbell, David House, Adam Nelson, Stephen P. Marsden
Rh-catalysed conjugate additions of 2-aminophenyl boronic acid derivatives were exploited in diastereoselective and asymmetric syntheses of tetrahydroquinolines.
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The Au Clusters Induce Tumor Cell Apoptosis via Specifically Targeting Thioredoxin Reductase 1 (TrxR1) and Suppressing its Activity

24 July, 2014 - 15:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC03320E, CommunicationRu Liu, Yaling Wang, Qing Yuan, Deyi An, Jingyuan Li, Xueyun Gao
Au25 clusters stabilized by tridecapeptides were firstly synthesized, which can well penetrate the cell membrane and exactly locate in the cytoplasm. Hence the Au clusters significantly suppress the TrxR1 activity...
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Multiple GO-SELEX for Efficient Screening of Flexible Aptamers

24 July, 2014 - 15:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC03953J, CommunicationVan Thuan Nguyen, Young Seop Kwon, JaeHoon Kim, Man bock Gu
We describe a simple, high-speed, high-throughput aptamer screening for a group of small molecules using Graphene Oxide (simple Multi-GO-SELEX) without immobilizing targets for the first time. The affinities of ten...
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Ion-based assemblies of planar anion complexes and cationic PtII complexes

24 July, 2014 - 15:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC04565C, CommunicationRyo Sekiya, Yusuke Tsutsui, Wookjin Choi, Tsuneaki Sakurai, Shu Seki, Yuya Bando, Hiromitsu Maeda
Because the metallophilicity of attractive PtII[middle dot][middle dot][middle dot]PtII interactions helps in the fabrication of columnar structures, terpyridine¬-PtII complexes were used as planar counter cationic species for formation of charge-segregated assemblies using [small pi]-conjugated...
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A triply-responsive pillar[6]arene-based supramolecular amphiphile for tunable formation of vesicles and controlled release

24 July, 2014 - 15:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05031B, CommunicationQizhong Zhou, Huajiang Jiang, Rener Chen, Fangli Qiu, Guoliang Dai, Deman Han
A pillar[6]arene-based supramolecular amphiphile has been constructed in water. The supramolecular amphiphile formed vesicles which could be regulated by pH, light and enzyme and thus loaded dye in the vesicles...
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The Simplest Method for Fabrication of High Refractive Index Polymer-Metal Oxide Hybrid Based on Soap-Free Process

24 July, 2014 - 15:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC04471A, CommunicationHirokuni Jintoku, Hirotaka Ihara
A new method for facile fabrication of high refractive index material that is based on simple blending of polymer and heteropoly acid is demonstrated. This hybridization is shown to dramatically...
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Tuneable Fmoc-Phe-(4-X)-Phe-NH2 nanostructures by variable electronic substitution

24 July, 2014 - 15:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC04926H, CommunicationCharalampos George Pappas, Yousef M. Abul-Haija, Angela Flack, Pim Wilhelmus Johannes Maria Frederix, Rein Ulijn
Supramolecular structures were produced by in situ enzymatic condensation of Fmoc-Phe-(4-X), where X denotes electron withdrawing or donating groups, with Phe-NH2. The relative contribution of [small pi]-stacking and H-bonding interactions can...
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Trifluoromethylation of arenediazonium salts with fluoroform-derived CuCF3 in aqueous media

24 July, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04930F, CommunicationAnton Lishchynskyi, Guillaume Berthon, Vladimir V. Grushin
A new protocol has been developed for trifluoromethylation of arenediazonium salts with moisture-sensitive CuCF3 (from fluoroform) in aqueous media. The reaction is governed by a radical mechanism, tolerates a broad variety of functional groups, and is applicable to the synthesis of complex, polyfunctionalized molecules.
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A four-component organogel based on orthogonal chemical interactions

24 July, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03398A, CommunicationNicolas Luisier, Kurt Schenk, Kay Severin
A thermoresponsive organogel was obtained by orthogonal assembly of four compounds using dynamic covalent boronate ester and imine bonds, as well as dative boron-nitrogen bonds.
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Mn(III)/TEMPO-Co-Mediated Tandem Azidation/1,2-Carbon Migration Reaction of Allylic Silyl Ethers

24 July, 2014 - 15:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC04707A, CommunicationZhi-Min Chen, Zhen Zhang, Yong Qiang Tu, Ming-Hui Xu, Fu-Min Zhang, Chen-Chen Li, Shao-Hua Wang
A novel Mn(III)/TEMPO-co-mediated tandem azidation/1,2-carbon migration reaction of allylic silyl ethers with unactivated C=C bond has been explored, generating [small alpha]-aryl/alkyl [small beta]-azido ketones with an [small alpha]-quaternary stereocenter. Substrates with activated enolate-type...
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Catalyst free silica templated porous carbon nanoparticles from bio-waste materials

24 July, 2014 - 15:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC04378B, CommunicationANUJ KUMAR, Gurumurthy Hegde, SHARMA ARUNI ABDUL MANAF, NGAINI ZAINAB, KORADA V SHARMA
Porous Carbon Nanoparticles (PCNs) with well-developed microporosity were obtained from bio-waste oil palm leaves (OPL) using single step pyrolysis in nitrogen atmosphere at 500-600 oC in tube-furnace without any catalysis...
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Pd Nanoparticle Concentration Dependent Self-assembly of Pd@SiO2 Nanoparticles into Leaching Resistant Microcubes

24 July, 2014 - 15:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC04124K, CommunicationAbheek Datta, Anustup Sadhu, Subhankar Santra, S M Shivaprasad, Swadhin K Mandal, Sayan Bhattacharyya
Pd NP concentration guided the self-assembly of core-shell Pd@SiO2 nanoparticles (NPs) into microcubes. The Pd NPs were stacked by molten dodecyltrimethylammonium bromide (DTAB) to create the SiO2 envelope. The microcubes...
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The synthesis of organic charge transfer hetero-microtubules by crack welding

24 July, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04602A, CommunicationJ. Kim, J. Chung, J. Hyon, T. Kwon, C. Seo, J. Nam, Y. Kang
The strain-induced cracks in organic microtubules composed of an organic charge transfer complex were selectively welded via the formation of secondary charge transfer complexes.
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Stereodefined acyclic trisubstituted metal enolates towards the asymmetric formation of quaternary carbon stereocentres

24 July, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04391J, Feature ArticleYury Minko, Ilan Marek
Formation of highly diastereo- and enantiomerically enriched quaternary stereocentres from stereodefined acyclic trisubstituted metal enolates.
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Formation of ultra-long nanoribbons by self-assembly of carbon dots and anionic oligomers for multi-colored fluorescence and electrical conduction

24 July, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04835K, CommunicationGuiyang Zhang, Manqing Yan, Xiyao Teng, Hong Bi, Yuyan Han, Mingliang Tian, Mingtai Wang
Ultra-long (PS-PSS)/C-dot nanoribbons (>100 [small mu ]m) have been prepared in a facile way based on self-assembly of C-dots and anionic oligomers with a multi-colored fluorescence and an electrical conductivity of 3.368 S m-1.
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Order-to-disorder structural transformation of a coordination polymer and its influence on proton conduction

24 July, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04370G, CommunicationSatoshi Horike, Wenqian Chen, Tomoya Itakura, Munehiro Inukai, Daiki Umeyama, Hiroyuki Asakura, Susumu Kitagawa
A Cu2+ coordination framework shows order-to-disorder transformation and it is accompanied by insulator-to-protonic conductor transition.
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