Chem. Commun.

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Efficient 2-Sulfolmethyl Quinoline Formation from 2-Methylquinolines and Sodium Sulfinates under Transition-Metal Free Conditions

18 November, 2014 - 20:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07546C, CommunicationGuo-Jun Deng, Fuhong Xiao, Shuqing Chen, Ya Chen, Huawen Huang
An efficient procedure for 2-sulfolmethyl quinoline preparation from 2-methylquinolines and sodium sulfinates under transition-metal free conditions is described. Halogen functional groups were well tolerated to give the corresponding products in...
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Enantioselective transformation of Na2SO3 into allylic sulfonic acids under Pd catalysis

18 November, 2014 - 20:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06945E, CommunicationWei Liu, Xiaoming Zhao, Hongbo Zhang, Liang Zhang
Pd-catalyzed asymmetric allylic sulfonation of di-aryl-substituted allylic acetates with sodium sulfite (Na2SO3) in THF/H2O at room temperature was described. This method directly provided allylic sulfonic acids in up to excellent...
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The small molecule probe PT-Yellow labels the renal proximal tubules in zebrafish

18 November, 2014 - 20:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC08075K, CommunicationVeronika Sander, Shantanu Patke, Srikanta Sahu, Chai Lean Teoh, Zhenzhen Peng, Young-Tae Chang, Alan J. Davidson
The fluorescent compound PT-Yellow is a novel tool to label the proximal tubule cells of the zebrafish kidney in vivo.
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Fe3O4 nanoparticles as robust photothermal agents for driving high barrier reactions under ambient conditions

18 November, 2014 - 20:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC07966C, CommunicationRobert J. G. Johnson, Kaitlin M. Haas, Benjamin J. Lear
Magnetite nanoparticles (MNPs) show remarkable stability during extreme photothermal heating to temperatures above 770 K, displaying no change in size, crystallinity, or surfactants.
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Ultrafast double-quantum NMR spectroscopy

18 November, 2014 - 20:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC07232D, CommunicationAdrien Le Guennec, Patrick Giraudeau, Stefano Caldarelli, Jean-Nicolas Dumez
The acquisition of double-quantum NMR spectra in less than three seconds is demonstrated and the synergies between double-quantum and ultrafast NMR spectroscopy for the analysis of complex mixtures are illustrated.
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Multicolor imaging and the anticancer effect of a bifunctional silica nanosystem based on the complex of graphene quantum dots and hypocrellin A

18 November, 2014 - 20:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC06968D, CommunicationLin Zhou, Lin Zhou, Xuefeng Ge, Jiahong Zhou, Shaohua Wei, Jian Shen
A theranostic platform based on silica nanoparticles encapsulated with the complex of a photosensitive anticancer drug and graphene quantum dots was prepared.
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Bioluminescent coelenterazine derivatives with imidazopyrazinone C-6 extended substitution

18 November, 2014 - 20:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC06886F, CommunicationRyo Nishihara, Hideyuki Suzuki, Emi Hoshino, Sakura Suganuma, Moritoshi Sato, Tsuyoshi Saitoh, Shigeru Nishiyama, Naoko Iwasawa, Daniel Citterio, Koji Suzuki
Coelenterazine derivatives with extended substituents show significant bioluminescence emission with known renilla luciferase variants, indicating a promising method to develop substrates with superior optical properties.
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In situ observation of facet-dependent oxidation of graphene on platinum in an environmental TEM

18 November, 2014 - 20:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC07838A, CommunicationWentao Yuan, Ying Jiang, Yong Wang, Shyam Kattel, Zhengfei Zhang, Lien-Yang Chou, Chia-Kuang Tsung, Xiao Wei, Jixue Li, Xiaofeng Zhang, Guofeng Wang, Scott X. Mao, Ze Zhang
The facet-dependent oxidation reaction via in situ ETEM.
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General base-tuned unorthodox synthesis of amides and ketoesters with water

18 November, 2014 - 20:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC07961B, CommunicationSaikat Khamarui, Rituparna Maiti, Dilip K. Maiti
We discovered a highly reactive [small lambda]3-hypervalent iodane species using an inorganic/organic base for the unorthodox synthesis of amides and ketoesters through grafting terminal alkynes. In contrast to the metal-catalyzed dehydrative approaches the in situ generated nonmetallic reagent efficiently created C-N/C-O and C[double bond, length as m-dash]O bonds with amines/alkynes and water at rt.
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Control of nanoparticle penetration into biofilms through surface design

18 November, 2014 - 20:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC07737G, CommunicationXiaoning Li, Yi-Cheun Yeh, Karuna Giri, Rubul Mout, Ryan F. Landis, Y. S. Prakash, Vincent M. Rotello
Cationic quantum dots effectively penetrate biofilms, providing insight for targeting and imaging applications.
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Visible light induced cyclopropanation of dibromomalonates with alkenes via double-SET by photoredox catalysis

18 November, 2014 - 20:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC08203F, CommunicationYanbin Zhang, Rong Qian, Xingliang Zheng, Yi Zeng, Jing Sun, Yiyong Chen, Aishun Ding, Hao Guo
We report herein a visible light induced generation of a carbanion via double-SET and its application in cyclopropanation of electron-deficient alkenes.
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Embedding of a ruthenium(II) water oxidation catalyst into nanofibers via self-assembly

18 November, 2014 - 20:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC08314H, CommunicationValentin Kunz, Vladimir Stepanenko, Frank Wurthner
Self-assembled nanofibers of a ruthenium(II)-PBI complex exhibited an appreciable catalytic performance in the oxidative water splitting reaction.
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Organic-free synthesis of layer-like FAU-type zeolites

18 November, 2014 - 20:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC07947G, CommunicationA. Inayat, C. Schneider, W. Schwieger
The presence of simple inorganic salts during zeolite synthesis turned out to be an effective and easy to handle alternative to organic additives to induce the growth of layer-like zeolite morphologies.
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Signal enhancement of electrochemical biosensors via direct electrochemical oxidation of silver nanoparticle labels coated with zwitterionic polymers

18 November, 2014 - 20:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC07474B, CommunicationR. Geagea, P.-H. Aubert, P. Banet, N. Sanson
A new electrochemical label has been developed, which is made up of silver nanoparticles (AgNPs) coated with a mixture of zwitterionic and biotinylated zwitterionic polymers.
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Smart pH-responsive upconversion nanoparticles for enhanced tumor cellular internalization and near-infrared light-triggered photodynamic therapy

18 November, 2014 - 20:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC08178A, CommunicationSheng Wang, Lei Zhang, Chunhong Dong, Lin Su, Hanjie Wang, Jin Chang
The smart pH-responsive upconversion nanoparticles are promising agents for deep cancer photodynamic therapy applications.
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Sulphur promoted C(sp3)-C(sp2) cross dehydrogenative cyclisation of acetophenone hydrazones with aldehydes: efficient synthesis of 3,4,5-trisubstituted 1H-pyrazoles

18 November, 2014 - 20:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC08210A, CommunicationRajeshwer Vanjari, Tirumaleswararao Guntreddi, Saurabh Kumar, Krishna Nand Singh
The first-time sulfur-promoted CDC approach involving acetophenone hydrazones and aldehydes has been developed for the synthesis of substituted pyrazoles.
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The structure of a ferrous heme-nitro species in the binuclear heme a3/CuB center of ba3-cytochrome c oxidase as determined by resonance Raman spectroscopy

18 November, 2014 - 20:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC08019J, CommunicationAndreas Loullis, Mohamed Radzi Noor, Tewfik Soulimane, Eftychia Pinakoulaki
We present resonance Raman evidence for the formation of a ferrous heme-nitro species in the binuclear heme/copper center of ba3-oxidase.
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Composite 5A zeolite with ultrathin porous TiO2 coating for selective gas adsorption

18 November, 2014 - 20:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC08186B, CommunicationZhuonan Song, Yi Huang, Lei Wang, Shiguang Li, Miao Yu
A composite zeolite adsorbent was prepared by conformally depositing an ultrathin porous TiO2 coating on the external surface of the 5A zeolite by molecular layer deposition (MLD) and subsequent calcination.
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A cage-based cationic body-centered tetragonal metal-organic framework: single-crystal to single-crystal transformation and selective uptake of organic dyes

18 November, 2014 - 20:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC07357F, CommunicationDi-ming Chen, Wei Shi, Peng Cheng
A cage-based cationic metal-organic framework shows interesting single-crystal-to-single-crystal transformation upon solvent exchange process and selective uptake of organic dyes.
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A Lewis acid activated reaction of Zn with EtI to promote highly enantioselective alkyne additions to aldehydes

18 November, 2014 - 20:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC08031A, CommunicationShan-yong Chen, Winnie Liu, Xuedan Wu, Jun Ying, Xiaoqi Yu, Lin Pu
Zn powder and EtI in the presence of (S)-BINOL and Ti(OiPr)4 promote highly enantioselective alkyne addition to aldehydes at rt to generate chiral propargylic alcohols.
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