Chem. Commun.

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Selection of aptamers targeting the sialic acid receptor of hemagglutinin by epitope-specific SELEX

26 June, 2014 - 08:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03116D, CommunicationYeh-Hsing Lao, Hui-Yu Chiang, Deng-Kai Yang, Konan Peck, Lin-Chi Chen
Epitope-specific SELEX is reported for effective selection of aptamers against a native protein's functional epitope. Anti-sialic acid receptor aptamers are selected. Hemagglutination inhibition and structural evidence are provided to prove the aptamers.
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A concise total synthesis of puberulic acid, a potent antimalarial agent

26 June, 2014 - 08:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03134B, CommunicationGoh Sennari, Tomoyasu Hirose, Masato Iwatsuki, Satoshi Omura, Toshiaki Sunazuka
Total synthesis of puberulic acid has been achieved via 8 steps, with 54% yield, using D-(+)-galactose as a framework source.
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Water soluble octa-functionalized POSS: all-click chemistry synthesis and efficient host-guest encapsulation

26 June, 2014 - 08:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC01956C, CommunicationJin Han, Yaochen Zheng, Shuai Zheng, Sipei Li, Tiannan Hu, Aijin Tang, Chao Gao
Water soluble octa-functional POSSs were readily synthesized via all-click chemistry, affording a precise multifunctional platform for host-guest encapsulation and drug-delivery.
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Structure-kinetic relationship study of organozinc reagents

26 June, 2014 - 08:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC01135J, CommunicationGuanghui Zhang, Jing Li, Yi Deng, Jeffrey T. Miller, A. Jeremy Kropf, Emilio E. Bunel, Aiwen Lei
In situ XAFS and IR studies revealed the structure-kinetic relationship of organozinc reagents.
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Oscillatory carbonylation using alkyne-functionalised poly(ethylene glycol)

26 June, 2014 - 08:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC01548G, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Lynn Donlon, Katarina Novakovic
Synchronised oscillations in pH and solution turbidity recorded over several days using mono alkyne-terminated poly(ethylene glycol) methyl ether substrates.
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Sensitive and portable detection of telomerase activity in HeLa cells using the personal glucose meter

26 June, 2014 - 08:54

Chem. Commun., 2014, 50,7897-7899
DOI: 10.1039/C4CC03553D, CommunicationXi Zhu, Huifeng Xu, Ruolan Lin, Guidi Yang, Zhenyu Lin, Guonan Chen
Using the personal glucose meter, a portable sensor was fabricated to assay telomerase activity and study the telomerase inhibitor AZT. Hence, it provided a promising approach for the detection of enzyme activity and diagnosis of cancer.
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Fluorine effects in organocatalysis - asymmetric Bronsted acid assisted Lewis base catalysis for the synthesis of trifluoromethylated heterocycles exploiting the negative hyperconjugation of the CF3-group

26 June, 2014 - 08:54

Chem. Commun., 2014, 50,7889-7892
DOI: 10.1039/C4CC03229B, CommunicationChandra M. R. Volla, Arindam Das, Iuliana Atodiresei, Magnus Rueping
An efficient Bronsted acid assisted Lewis base catalysis protocol for the synthesis of enantiomerically pure trifluoromethylated dihydropyridazines has been developed.
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Iron(III)-salan complexes catalysed highly enantioselective fluorination and hydroxylation of [small beta]-keto esters and N-Boc oxindoles

26 June, 2014 - 08:54

Chem. Commun., 2014, 50,7870-7873
DOI: 10.1039/C4CC01631A, CommunicationXin Gu, Yan Zhang, Zhen-Jiang Xu, Chi-Ming Che
An iron(III) complex of bipyrrolidine-based salan ligand catalyses enantioselective [small alpha]-fluorination and [small alpha]-hydroxylation of [small beta]-keto esters and N-Boc oxindoles to give the corresponding products in high yields and good-to-excellent ee values under mild reaction conditions.
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Boron-nitrogen substituted perylene obtained through photocyclisation

26 June, 2014 - 08:54

Chem. Commun., 2014, 50,7821-7823
DOI: 10.1039/C4CC01424C, CommunicationOpen Access Open AccessMatthias Muller, Stefan Behnle, Cacilia Maichle-Mossmer, Holger F. Bettinger
A BN substituted hexabenzotriphenylene (B3N3) closes one C-C-bond upon irradiation in the presence of iodine to yield a phenanthrene annelated B3N3 tribenzoperylene. Upon hydrolysis a B2N2 dibenzoperylene is obtained.
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Modifying a known gelator scaffold for nitrite detection

26 June, 2014 - 08:54

Chem. Commun., 2014, 50,7813-7816
DOI: 10.1039/C4CC02504K, CommunicationDanielle M. Zurcher, Yash J. Adhia, Julian Diaz Romero, Anne J. McNeil
This communication describes the process of selecting and modifying a known gelator scaffold to develop a new gelation-based sensor. Specifically, a sensor for detecting nitrite in aqueous samples is described.
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The first structural and spectroscopic characterisation of a ring-opened form of a 2H-naphtho[1,2-b]pyran: a novel photomerocyanine

26 June, 2014 - 08:54

Chem. Commun., 2014, 50,7900-7903
DOI: 10.1039/C4CC03435J, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Stuart Aiken, Kathryn Booth, Christopher D. Gabbutt, B. Mark Heron, Craig R. Rice, Azzam Charaf-Eddin, Denis Jacquemin
The first structural and spectroscopic characterisation of a ring-opened form of a photochromic 2,2-diaryl-2H-naphtho[1,2-b]pyran is described.
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Magnetic, superhydrophobic and durable silicone sponges and their applications in removal of organic pollutants from water

26 June, 2014 - 08:54

Chem. Commun., 2014, 50,7831-7833
DOI: 10.1039/C4CC03045A, CommunicationLingxiao Li, Bucheng Li, Lei Wu, Xia Zhao, Junping Zhang
Magnetic, superhydrophobic and durable silicone sponges are fabricated for selectively absorbing floating oils, heavy oils and even emulsified oils.
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An efficient synthetic route to stable bis(carbene)borylenes [(L1)(L2)BH]

26 June, 2014 - 08:54

Chem. Commun., 2014, 50,7837-7839
DOI: 10.1039/C4CC03497J, CommunicationDavid A. Ruiz, Mohand Melaimi, Guy Bertrand
Two unsymmetrically substituted bis(carbene)borylene adducts [(L1)(L2)BH] and a radical cation [(L1)(L2)BH[radical dot]+, X-] are prepared by two- and one-electron reduction, respectively.
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Engineering the specificity of trehalose phosphorylase as a general strategy for the production of glycosyl phosphates

26 June, 2014 - 08:54

Chem. Commun., 2014, 50,7834-7836
DOI: 10.1039/C4CC02202E, CommunicationChao Chen, Jef Van der Borght, Rob De Vreese, Matthias D'hooghe, Wim Soetaert, Tom Desmet
A variant of trehalose phosphorylase was created that displays a modified specificity and can be used for the anomeric phosphorylation of galactose in a two-step process.
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The anion-binding polyanion: a molecular cobalt vanadium oxide with anion-sensitive visual response

26 June, 2014 - 08:54

Chem. Commun., 2014, 50,7840-7843
DOI: 10.1039/C4CC03827D, CommunicationAndrey Seliverstov, Johannes Forster, Magdalena Heiland, Johannes Unfried, Carsten Streb
A polyanionic cobalt vanadate cluster is reported which acts as a reversible anion binding site for carboxylates and halides with visual binding signaling in solution.
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Site-specific fluorescence labelling of RNA using bio-orthogonal reaction of trans-cyclooctene and tetrazine

26 June, 2014 - 08:54

Chem. Commun., 2014, 50,7844-7847
DOI: 10.1039/C4CC02435D, CommunicationP. N. Asare-Okai, E. Agustin, D. Fabris, M. Royzen
A cytidine triphosphate analogue modified with a trans-cyclooctene group was incorporated into the sequence of miR-122 by in vitro transcription.
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Acid-free regioselective aminocarbonylation of alkenes

26 June, 2014 - 08:54

Chem. Commun., 2014, 50,7848-7851
DOI: 10.1039/C4CC02167C, CommunicationHuizhen Liu, Ning Yan, Paul J. Dyson
An efficient method for the synthesis of N-aryl monosubstituted carboxamides via the Pd-catalyzed carbonylation of alkenes with CO and amines is described.
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Terbium(III)-cholate functionalized vesicles as luminescent indicators for the enzymatic conversion of dihydroxynaphthalene diesters

26 June, 2014 - 08:54

Chem. Commun., 2014, 50,7852-7854
DOI: 10.1039/C4CC03724C, CommunicationStefan Balk, Uday Maitra, Burkhard Konig
The phosphorescence intensity of unilamellar DOPC vesicles with embedded Tb3+-cholate complexes depends on the concentration of dihydroxynaphthalene (DHN) as sensitizer in solution.
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Dual pH-triggered multistage drug delivery systems based on host-guest interaction-associated polymeric nanogels

26 June, 2014 - 08:54

Chem. Commun., 2014, 50,7824-7827
DOI: 10.1039/C4CC03120B, CommunicationMinghui Zan, Junjie Li, Shizhong Luo, Zhishen Ge
The multistage polymeric nanogel delivery systems were constructed via host-guest interactions, which showed tumor acidity-triggered disassembly into smaller nanoparticles for deep tissue penetration, high-efficiency cellular uptake, and intracellular endo-lysosomal pH-responsive drug release.
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A self-assembled conformational switch: a host-guest stabilized triple stem molecular beacon via a photoactivated and thermal regeneration mode

26 June, 2014 - 08:54

Chem. Commun., 2014, 50,7803-7805
DOI: 10.1039/C4CC01651C, CommunicationLeiliang He, Xiaohai Yang, Kemin Wang, Qing Wang, Fang Zhao, Jin Huang, Jianbo Liu
A novel strategy for construction of a conformational switch is presented with a combination of DNA self-assembly and reversible host-guest inclusion interaction.
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