Chem. Commun.
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Dramatic tuning of ligand donor properties in (Ttz)CuCO through remote binding of H+ (Ttz = hydrotris(triazolyl)borate)
DOI: 10.1039/C3CC00036B, CommunicationNatalie A. Dixon, Ashley B. McQuarters, Jodi S. Kraus, Jonathan B. Soffer, Nicolai Lehnert, Reinhard Schweitzer-Stenner, Elizabeth T. Papish
Acids change the donor properties of Ttz ligands in copper(I) complexes, and protonation thus creates more electrophilic catalysts for C-H activation.
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Stimuli-responsive plasmonic core-satellite assemblies: i-motif DNA linker enabled intracellular pH sensing
DOI: 10.1039/C3CC80005A, CommunicationChenxu Wang, Yan Du, Qiong Wu, Shuguang Xuan, Jiajing Zhou, Jibin Song, Fangwei Shao, Hongwei Duan
Core-satellite assemblies of binary gold nanoparticles linked by i-motif DNA are developed for plasmonic imaging of pH in the endocytic pathway.
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Mechanochemistry: a web themed issue
DOI: 10.1039/C3CC90136J, EditorialStuart L. James, Tomislav Friscic
Showcasing a collection of cutting edge contributions by international leaders in the field of mechanochemistry.
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Layered double hydroxide-based catalysts: nanostructure design and catalytic performance
DOI: 10.1039/C3CC42137F, Feature ArticleShan He, Zhe An, Min Wei, David G. Evans, Xue Duan
This Feature Article summarizes the recent progress in the design and the preparation of nanocatalysts with high efficiency based on layered double hydroxides, including-but not limited to-exfoliation of the brucite-like layers, lattice orientation/lattice confinement by the brucite-like layers, and the intercalation of active species.
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Alkyne metathesis by molybdenum and tungsten alkylidyne complexes
DOI: 10.1039/C3CC42609B, ViewpointRichard R. Schrock
Alkyne metathesis catalysts are now readily accessible and relatively efficient, even for terminal alkynes.
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Direct object resolution by image subtraction: a new molecular ruler for nanometric measurements on complexed fluorophores
DOI: 10.1039/C3CC42072H, CommunicationRemi L. Boulineau, Mark A. Osborne
A linear amplitude-to-distance correlation has been exploited to measure nanometric separations between fluorophores from the intensity gradient in their difference-image.
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Angular dependence of the exchange interaction in fluoride-bridged GdIII-CrIII complexes
DOI: 10.1039/C3CC42552E, CommunicationSaurabh Kumar Singh, Kasper S. Pedersen, Marc Sigrist, Christian Aa. Thuesen, Magnus Schau-Magnussen, Hannu Mutka, Stergios Piligkos, Hogni Weihe, Gopalan Rajaraman, Jesper Bendix
Angular dependence of magnetic couplings in Cr(III)-Gd(III) with unsupported fluoride bridges is modeled computationally. A change from anti- to ferromagnetic coupling is predicted for significantly bent bridges.
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Iridium-catalyzed triple C(sp3)-H borylations: construction of triborylated sp3-carbon centers
DOI: 10.1039/C3CC42675K, CommunicationTsuyoshi Mita, Yuto Ikeda, Kenichi Michigami, Yoshihiro Sato
An unprecedented catalytic C(sp3)-H triborylation at a single carbon was developed with the assistance of a nitrogen directing group.
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Ru(II)-catalyzed intermolecular C-H amidation of weakly coordinating ketones
DOI: 10.1039/C3CC42613K, CommunicationQing-Zhong Zheng, Yu-Feng Liang, Chong Qin, Ning Jiao
An efficient Ru(II)-catalyzed intermolecular amidation of weakly coordinating ketones with sulfonyl azides via C-H bond activation has been developed.
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A novel, efficient synthesis of N-aryl pyrroles via reaction of 1-boronodienes with arylnitroso compounds
DOI: 10.1039/C3CC42227E, CommunicationFabien Tripoteau, Ludovic Eberlin, Mark A. Fox, Bertrand Carboni, Andrew Whiting
A one-pot hetero-Diels-Alder/ring contraction cascade is presented from the reaction of 1-boronodienes and arylnitroso derivatives to derive N-arylpyrroles in moderate to good yields (up to 82%).
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A bright and responsive europium probe for determination of pH change within the endoplasmic reticulum of living cells
DOI: 10.1039/C3CC42308E, CommunicationBrian K. McMahon, Robert Pal, David Parker
A ratiometric EuIII complex has been developed that localises selectively within the endoplasmic reticulum of living cells.
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Efficient epoxidation of olefins by H2O2 catalyzed by iron "helmet" phthalocyanines
DOI: 10.1039/C3CC42301H, CommunicationIgor Y. Skobelev, Evgeny V. Kudrik, Olga V. Zalomaeva, Florian Albrieux, Pavel Afanasiev, Oxana A. Kholdeeva, Alexander B. Sorokin
Efficient mild epoxidation of olefins catalyzed by iron helmet phthalocyanines involves high-valent iron oxo species detected using cryospray mass spectrometry.
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A multifunctional helical Cu(I) coordination polymer with mechanochromic, sensing and photocatalytic properties
DOI: 10.1039/C3CC42241K, CommunicationTian Wen, De-Xiang Zhang, Juan Liu, Rui Lin, Jian Zhang
A multifunctional Cu(I) coordination polymer constructed from helical chains showed unusual mechanochromic, sensing of nitrobenzene and photocatalytic properties on degradation of organic dyes.
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A protein kinase assay based on FRET between quantum dots and fluorescently-labeled peptides
DOI: 10.1039/C3CC41680A, CommunicationShujiro Shiosaki, Takanobu Nobori, Takeshi Mori, Riki Toita, Yuta Nakamura, Chan Woo Kim, Tatsuhiro Yamamoto, Takuro Niidome, Yoshiki Katayama
A novel protein kinase assay was developed, based on FRET between QDs and fluorescently-labeled substrate peptides. The negatively charged QDs recognize the net cationic charge of the peptide.
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Thermosensitive micelles formed from a small-molecule amphiphile: switchable LCST and potential application in cloud point separation
DOI: 10.1039/C3CC42466A, CommunicationYan Ding, Zhiqiang Wang, Xi Zhang
Small-molecule micelles with CO2-switchable LCST behavior have been prepared for potential application in cloud point separation.
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Pd-mediated construction of a cyclopentane ring fused with indoles
DOI: 10.1039/C3CC42309C, CommunicationBagineni Prasad, B. Yogi Sreenivas, G. Rama Krishna, Ravikumar Kapavarapu, Manojit Pal
Novel cyclopenta[b]indoles are synthesized via Pd-mediated construction of a cyclopentane ring fused with indoles.
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Ln[N(SiMe3)2]3-catalyzed cycloaddition of terminal alkynes to azides leading to 1,5-disubstituted 1,2,3-triazoles: new mechanistic features
DOI: 10.1039/C3CC42534G, CommunicationLongcheng Hong, Weijia Lin, Fangjun Zhang, Ruiting Liu, Xigeng Zhou
We report the first example of rare earth metal-catalyzed cycloaddition of terminal alkynes to azides resulting in the formation of 1,5-disubstituted 1,2,3-triazoles.
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Efficient panchromatic inorganic-organic heterojunction solar cells with consecutive charge transport tunnels in hole transport material
DOI: 10.1039/C3CC42297F, CommunicationHaiwei Chen, Xu Pan, Weiqing Liu, Molang Cai, Dongxing Kou, Zhipeng Huo, Xiaqin Fang, Songyuan Dai
A simple solution-processed method was employed to fabricate efficient panchromatic CH3NH3PbI3/P3HT-MWNT hybrid solar cells with consecutive charge transport tunnels.
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Monitoring the on-off switching of the electronic communication in diethynylplatinum(II)-bridged dyads using triplet energy transfer
DOI: 10.1039/C3CC42634C, CommunicationAhmed M. Soliman, Mohammed Abdelhameed, Eli Zysman-Colman, Pierre D. Harvey
Despite conjugation and downhill manifolds in [Ir]-[Pt]-[ZnTPP] ([ZnTPP] = (tetraphenylporphyrin)zinc(II), [Ir] = bis(phenylpyridinato)(bipyridine)iridium(III), [Pt] = trans-C[triple bond, length as m-dash]CPt(PBu3)2-C[triple bond, length as m-dash]C), essentially no T1[Ir] [rightward arrow] S1/T1[ZnTTP] energy transfer occurs.
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Spectroscopic properties and reactivity of a mononuclear oxomanganese(IV) complex
DOI: 10.1039/C3CC00244F, CommunicationDomenick F. Leto, Rena Ingram, Victor W. Day, Timothy A. Jackson
A non-porphyrinic, mononuclear oxomanganese(IV) complex was generated at room temperature and characterized by spectroscopic methods.
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