Royal Society of Chemistry

Dynamic structural transformations of coordination supramolecular systems upon exogenous stimuli

Chem. Commun. - 23 October, 2014 - 15:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06263A, Feature ArticleCheng-Peng Li, Jing Chen, Chun-Sen Liu, Miao Du
Reaction in the solid state, especially single-crystal-to-single-crystal (SC-SC) transformation, provides an appealing routeway to obtain the target crystalline materials with modified properties via a non-solvent green chemistry approach. This feature...
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Formal [4+2] Annulation of Enaminones and Cyanomethyl Sulfur Ylide: One-pot Access to Polysubstituted Pyridin-2(1H)-ones

Chem. Commun. - 23 October, 2014 - 15:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06665K, Communicationqian zhang, xu liu, xiaoqing xin, rui zhang, yongjiu liang, Dewen Dong
A facile and efficient one-pot synthesis of polysubstituted pyridin-2(1H)-ones from readily available enaminones and cyanomethyl sulfonium bromide salt in the present of cesium carbonate is developed, and a mechanism involving...
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Azobenzene-based chloride transporters with light-controllable activities

Chem. Commun. - 23 October, 2014 - 15:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07560A, CommunicationKyu-Sung Jeong, Ye Rin Choi, Gyu Chan Kim, Hae-Geun Jeon, Jinhong Park, Wan Namkung
Synthetic chloride transporters containing two urea groups linked through a diazobenzene spacer have been prepared and the trans-to-cis isomerization by light stimulation results in dramatic changes in the chloride transport...
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Mechanically reinforced phosphoric acid doped quaternized poly (ether ether ketone) membranes via cross-linking with functionalized graphene oxide

Chem. Commun. - 23 October, 2014 - 15:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07791A, CommunicationNa Zhang, Baolong Wang, Yurong Zhang, Fanzhe Bu, Ying Cui, Xuefeng Li, Chengji Zhao, Hui Na
Functionalized graphene oxide (FGO) reinforced quaternized poly(ether ether ketone) membranes were prepared for high temperature proton exchange membrane. The introduction of FGO significantly improved the mechanical strength and oxidative stability...
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Construction of DNA logic gates utilizing an H+/Ag+ induced i-motif structure

Chem. Commun. - 23 October, 2014 - 15:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06980C, CommunicationYunhua Shi, Hongxia Sun, Junfeng Xiang, Hongbo Chen, Qianfan Yang, Aijiao Guan, Qian Li, Lijia Yu, Yalin Tang
A simple technology to construct diverse DNA logic gates (OR and INHIBIT) has been designed utilizing an H+ or/and Ag+ induced i-motif structure. The logic gates are easily controlled and...
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Hydrothermal growth of highly oriented single crystalline Ta2O5 nanorod arrays and their conversion to Ta3N5 for efficient solar driven water splitting

Chem. Commun. - 23 October, 2014 - 15:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05673F, CommunicationZixue Su, Lei Wang, Sabina Grigorescu, Kiyoung Lee, Patrik Schmuki
We grow vertically aligned single crystalline Ta2O5 nanorod arrays that can be converted to a Ta3N5 nanorod array by nitridation. Combined with cobalt phosphate (Co-Pi) as a co-catalyst, such Ta3N5...
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Gold-catalyzed 1,2-Iminonitronations of Electron-deficient Alkynes with Nitrosoarenes to Afford [small alpha]-Imidoyl Nitrones

Chem. Commun. - 23 October, 2014 - 15:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06962E, CommunicationRai-Shung Liu, RahulKumar Rajmani Singh
Gold-catalyzed 1,2-iminonitronation of propiolate derivatives with nitrosoarenes to give [small alpha]-imidoyl nitrones are described; this new reactions are applicable to diverse propiolate derivatives and nitrosoarenes.
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Self-folded redox/acid dual-responsive nanocarriers for anticancer drug delivery

Chem. Commun. - 23 October, 2014 - 15:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07004F, CommunicationYue Lu, Ran Mo, Wanyi Tai, Wujin Sun, Dennis B. Pacardo, Chenggen Qian, Qundong Shen, Frances S. Ligler, Zhen Gu
Self-folded redox/acid dual-responsive nanocarriers (RAD-NCs) with targeting ligands are developed for physiologically triggered delivery of anticancer drugs.
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Control of absorption properties of tetraazaporphyrin group 15 complexes by modification of their axial ligands

Chem. Commun. - 23 October, 2014 - 15:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07408D, CommunicationTaniyuki Furuyama, Mitsuo Asai, Nagao Kobayashi
The first example of "stimuli-responsive" tetraazaporphyrin (TAP) group 15 complexes has been prepared. Optical properties of TAPs can be switched across the entire UV-vis region.
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Flash generation of [small alpha]-(trifluoromethyl)vinyllithium and application to continuous flow three-component synthesis of [small alpha]-trifluoromethylamides

Chem. Commun. - 23 October, 2014 - 15:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06709F, CommunicationAiichiro Nagaki, Shinya Tokuoka, Jun-ichi Yoshida
Flash chemistry enabled generation and reactions of short-lived [small alpha]-(trifluoromethyl)vinyllithium, and the method was successfully applied to three-component synthesis of [small alpha]-trifluoromethylamides.
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DNAzyme-based biosensors and nanodevices

Chem. Commun. - 23 October, 2014 - 15:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06855F, Feature ArticleLiang Gong, Zilong Zhao, Yi-Fan Lv, Shuang-Yan Huan, Ting Fu, Xiao-Bing Zhang, Guo-Li Shen, Ru-Qin Yu
DNAzymes, screened through in vitro selection, have shown great promise as molecular tools in the design of biosensors and nanodevices.
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Cytosine-bulge-dependent fluorescence quenching for the real-time hairpin primer PCR

Chem. Commun. - 23 October, 2014 - 15:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06780K, CommunicationF. Takei, X. Chen, G. Yu, T. Shibata, C. Dohno, K. Nakatani
PCR progress could be monitored upon increasing the fluorescence using ligand-anchored hairpin primer.
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Aurophilically cross-linked "dynamic" hydrogels mimicking healthy synovial fluid properties

Chem. Commun. - 23 October, 2014 - 15:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05735J, CommunicationPablo Casuso, Adrian Perez-San Vicente, Haizea Iribar, Araika Gutierrez-Rivera, Ander Izeta, Iraida Loinaz, German Cabanero, Hans-Jurgen Grande, Ibon Odriozola, Damien Dupin
We report a new supramolecular dynamic hydrogel, based on a new concept of reversible aurophilic cross-linker, mimicking the rheological behaviour of healthy synovial fluid at physiological conditions with good cell viability.
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Magnetic blocking in extended metal atom chains: a pentachromium(II) complex behaving as a single-molecule magnet

Chem. Commun. - 23 October, 2014 - 15:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06693F, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.A. Cornia, L. Rigamonti, S. Boccedi, R. Clerac, M. Rouzieres, L. Sorace
Enforced in an almost perfectly axial coordination environment, the terminal chromium(II) ion of a linear pentanuclear complex exhibits single-molecule magnet properties in its S = 2 ground state.
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Plasmonic hybrid nanotubes of fullerene C60-polythiophene-silver or gold nanoparticles: fabrication and enhancement of the Raman scattering

Chem. Commun. - 23 October, 2014 - 15:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07303G, CommunicationRyusuke Yoshida, Takuya Matsumura, Tsukasa Nakahodo, Hisashi Fujihara
We determined the surface-enhanced Raman scattering of the plasmonic hybrid nanotubes of fullerene C60-polythiophene-Ag or Au nanoparticles.
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[(Salcen)CrIII + Lewis base]-catalyzed synthesis of N-aryl-substituted oxazolidinones from epoxides and aryl isocyanates

Chem. Commun. - 23 October, 2014 - 15:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07421A, CommunicationRobert L. Paddock, Debashis Adhikari, Richard L. Lord, Mu-Hyun Baik, SonBinh T. Nguyen
[(Salcen)CrIII + Lewis base] was found to be a highly active and selective catalyst system in the [2+3] cycloaddition reaction between epoxides and isocyanates to form 5-oxazolidinones.
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Few-layered graphene-supported palladium as a highly efficient catalyst in oxygen reduction reaction

Chem. Commun. - 23 October, 2014 - 15:17

Chem. Commun., 2014, 50,14433-14435
DOI: 10.1039/C4CC05527F, CommunicationL. Truong-Phuoc, C. Pham-Huu, V. Da Costa, I. Janowska
Prepared by a scalable, low-cost and eco-friendly method, Pd/FLG shows improved ORR performance in alkaline solution with durability and catalytic activity an order of magnitude higher than the state-of the-art Pt/C catalyst.
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Dual enzymatic formation of hybrid hydrogels with supramolecular-polymeric networks

Chem. Commun. - 23 October, 2014 - 15:17

Chem. Commun., 2014, 50,14429-14432
DOI: 10.1039/C4CC06472K, CommunicationYanjie Mao, Teng Su, Qing Wu, Chuanan Liao, Qigang Wang
This communication describes a mild construction of hybrid hydrogels with supramolecular-polymeric networks via a dual enzymatic reaction.
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A specific probe for Hg2+ to delineate even H+ in pure aqueous buffer/Hct116 colon cancer cells: Hg(II)-[small eta]2-arene [small pi]-interaction and a TBET-based fluorescence response

Chem. Commun. - 23 October, 2014 - 15:17

Chem. Commun., 2014, 50,14421-14424
DOI: 10.1039/C4CC06740A, CommunicationUpendar Reddy G., Vadde Ramu, Sovan Roy, Nandaraj Taye, Samit Chattopadhyay, Amitava Das
Ligand design that allows a Hg(II)-[small eta]2-arene [small pi]-interaction as well as a TBET-based luminescence response to distinguish between the cellular uptake of Hg2+ and H+ in live Hct116 colon cancer cells.
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CH-activating oxidative hydroxylation of 1-tetralones and related compounds with high regio- and stereoselectivity

Chem. Commun. - 23 October, 2014 - 15:17

Chem. Commun., 2014, 50,14310-14313
DOI: 10.1039/C4CC04925J, CommunicationGheorghe-Doru Roiban, Ruben Agudo, Adriana Ilie, Richard Lonsdale, Manfred T. Reetz
Mutants of P450-BM3 evolved by directed evolution are excellent catalysts in the CH-activating oxidative hydroxylation of 1-tetralone derivatives and of indanone, with unusually high regio- and enantioselectivity being observed.
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