Chem. Commun.

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Investigating fluorescent dyes in fluorescence-assisted screenings

3 hours 3 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07008A, CommunicationJoo-Eun Jee, Jaehong Lim, Hoon Hyun, Jessica Oon, Yong Siang Ong, Cedrik Massif, Young-Tae Chang, Hak Soo Choi, Su Seong Lee
Screening of bead-based peptide libraries against fluorescent dye-labeled target proteins was found to be significantly influenced by the dye characteristics.
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Tuning selectivity of triplex DNA receptors

3 hours 3 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07805E, CommunicationHaidong Huang, Peter C Tlatelpa
Effects of hydrogen bonding clamps on the selectivity of triplex DNA receptors were studied. Incorporation of a 5-methyl-2-thiocytosine base to the parallel homopyrimidine region of a triplex receptor enabled selective...
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Cobalt Carbonate Hydroxide/C: An Efficient Dual Electrocatalyst for Oxygen Reduction/Evolution Reactions

3 hours 3 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07722A, CommunicationYao Wang, Wei Ding, Siguo Chen, Yao Nie, Kun Xiong, Zidong Wei
A novel bi-functional cobalt carbonate hydroxide supported on carbon (CCH/C) catalyst has been synthesized via a facile hydrothermal method to meet the demand for the widespread commercialization of the energy...
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Is it Possible to Achieve a Complete Desaturation of Cycloalkanes Promoted by o-Benzyne?

3 hours 3 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07311H, CommunicationFrancisco Cervantes, Abel de Cozar, Fernando Cossio, Maria Fernandez-Herrera, Gabriel Merino, Israel Fernandez
The competence between the possible reaction pathways in the reaction of different cycloalkanes and o-benzyne has been computationally explored. Systems able to undergo complete desaturation by consecutive double hydrogen atom...
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A solid-phase affinity labeling method for target-selective isolation and modification of proteins

3 hours 3 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06783E, CommunicationDaichi Kuwahara, Takahiro Hasumi, Hajime Kaneko, Madoka Unno, Daisuke Takahashi, Kazunobu Toshima
Solid-phase affinity labeling of a target protein, peanut agglutinin (PNA), with the specifically designed solid-supported chemical tool 1 possessing a [small beta]-D-galactoside ligand, followed by ligand exchange, selectively and effectively furnished...
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Recent advances in asymmetric organocatalysis mediated by bifunctional amine-thioureas bearing multiple hydrogen-bonding donors

3 hours 3 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07909D, Feature ArticleChun-Jiang Wang, Xin Fang
Organocatalysis has proven to be one of the most rapidly developing and competitive research areas in asymmetric catalysis since 2000, and has become a third branch besides biocatalysis and transition...
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Amino acid bioconjugation via iClick reaction of an oxanorbornadiene-masked alkyne with a MnI(bpy)(CO)3-coordinated azide

3 hours 3 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07892F, CommunicationLucas Henry, Christoph Schneider, Benedict Mutzel, Christoph Nagel, Katharina Fucke, Dr. Ulrich Schatzschneider
The catalyst-free room temperature iClick reaction of an unsymmetrically 2,3-disubstituted oxanorbornadiene (OND) as a "masked" alkyne equivalent with [Mn(N3)(bpyCH3,CH3)(CO)3] leads to isolation of a phenylalanine ester bioconjugate, in which the...
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One-pot synthesis of dibenzo[b,h][1,6]naphthyridines from 2-acetylaminobenzaldehyde: Application to a fluorescent DNA-binding compound

3 hours 3 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07807A, CommunicationKentaro Okuma, Tomohiro Koga, Saori Ozaki, Yutaro Suzuki, Kenta Horigami, Noriyoshi Nagahora, Kosei Shioji, Masatora Fukuda, Masanobu Deshimaru
The synthesis of dibenzo[b,h][1,6]naphthyridines was achieved in one pot by reacting 2-acetylaminobenzaldehyde with methyl ketones under basic conditions via four sequential condensations. This method is also applicable to the synthesis...
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Room temperature electrochemical synthesis of N-doped Graphene and its electrocatalytic activity for oxygen reduction

3 hours 3 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07402E, CommunicationFeng-Xiang Ma, Jiong Wang, Feng-bin Wang, Xinghua Xia
We report a facile and green electrochemical method using graphene oxide as precursor to synthesize nitrogen doped graphene at room temperature in ammonia containing aqueous solution. The nitrogen doping content...
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Oxidative Cross-Dehydrogenative Coupling between N-Aryl Tetrahydroisoquinolins and 5H-Oxazol-4-ones through Two Methodologies: Copper Catalysis or Metal-Free Strategy

3 hours 3 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC04508D, CommunicationRui Wang, Xihong Liu, Jinlong Zhang, Shixiong Ma, Yunxia Ma
A direct oxidative cross-dehydrogenative coupling (CDC) of N-aryl tetrahydroisoquinolins with 5H-oxazol-4-ones catalyzed by CuBr using air as the only oxidant has been developed, which could also proceed smoothly under a...
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Chemoselective silyl transfer in the Mukaiyama aldol reaction promoted by super silyl Lewis acid

3 hours 3 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05807K, CommunicationMasahiro Sai, Matsujiro Akakura, Hisashi Yamamoto
In the silyl Lewis acid-promoted Mukaiyama aldol reaction, the steric and electronic properties of the silyl group on the silyl Lewis acid influence the reaction mechanism and product distribution.
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Ligand selectivity in stabilising tandem parallel folded G-quadruplex motifs in human telomeric DNA sequences

3 hours 3 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07487D, CommunicationAlex R. O. Cousins, Dougal Ritson, Pallavi Sharma, Malcolm F. G. Stevens, John E. Moses, Mark S. Searle
An oxazole-based 'click' ligand shows selectivity in binding at the interface between tandem telomeric DNA quadruplex motifs.
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Boryl-Assisted Hydrogenolysis of a Nickel-Methyl bond

3 hours 3 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07616H, CommunicationNatalia Curado, Celia Maya, Joaquin Lopez-Serrano, Amor Rodriguez
An stable Nickel(II) methyl complex containing a diphosphino-boryl (PBP) pincer ligand is described. Mechanistic studies on the hydrogenolysis of the Ni-Me bond suggest a metal ligand cooperation mechanism that involves...
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Functionalization of Robust Zr(IV)-based Metal-Organic Framework Films via Postsynthetic Ligand Exchange

3 hours 3 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08218D, CommunicationHonghan Fei, Sonja Pullen, Andreas Wagner, Sascha Ott, Seth M Cohen
A facile and efficient fabrication approach for homogeneous, crack-free UiO-66 films with exceptionally high crystallinity and tunable thickness on a transparent and conductive glass substrate is reported. Two functionalized species,...
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Synthesis, Mechanism of Formation, and Catalytic Activity of Xantphos Nickel [small pi]-Complexes

3 hours 3 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07590K, CommunicationJanis Louie, Nicholas D. Staudaher, Ryan M. Stolley
A general synthetic route to the first Xantphos nickel alkyne and alkene complexes has been discovered. Various Ni complexes were prepared and characterized. NMR experiments indicate benzonitrile undergoes ligand exchange...
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Direct photo-hydroxylation of the Zr-based framework UiO-66

3 hours 3 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07882A, CommunicationDarren Bradshaw, Jordi Aguilera-Sigalat, Alyssa Fox-Charles
We describe the direct post-synthetic hydroxylation of UiO-66 through the photogeneration of hydroxyl radicals. Three approaches have been investigated, and levels of conversion up to 77% have been observed within...
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Solid-Solid Phase Interconversion in an Organic Conductor Crystal: Hydrogen-bond-mediated Dynamic Changes of [small pi]-Stacked Molecular Arrangement and Physical Properties

3 hours 3 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07810A, CommunicationJunya Yoshida, Akira Ueda, Akiko Nakao, Reiji Kumai, Hironori Nakao, Youichi Murakami, Hatsumi Mori
Solid-solid phase interconversion was observed in an organic conductor based on a hydrogen-bonded (H-bonded) TTF (tetrathiafulvalene) molecular unit, in which the [small pi]-stacked molecular arrangement and physical properties were dynamically changed...
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Enzyme-Responsive Polymer Assemblies

3 hours 3 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05878J, Feature ArticleYan Ding, Yuetong Kang, Xi Zhang
Enzyme-responsive polymer assemblies have proved to be promising candidates for biomaterials, biomedicine and biosensing. Traditionally, these assemblies are prepared by the self-assembly of polymer building blocks which are convalently conjugated...
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An extended-gate type organic field effect transistor functionalised by phenylboronic acid for saccharide detection in water

3 hours 3 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07498J, CommunicationTsuyoshi Minami, Tsukuru Minamiki, Yuki Hashima, Daisuke Yokoyama, Tomohito Sekine, Kenjiro Fukuda, Daisuke Kumaki, Shizuo Tokito
Saccharides in water are detected electrically using an extended-gate type organic field effect transistor (OFET) functionalised by a phenylboronic acid monolayer. The response patterns for the monosaccharides are significantly different,...
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A fluorescent organic cage for picric acid detection

3 hours 3 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06225F, CommunicationPartha Sarathi Mukherjee, Koushik Acharyya
Dynamic covalent imine chemistry has been utilized to synthesize a fluorescent [3+2] self-assembled nanoscopic organic cage. The fluorescent nature of the reduced analogue of the cage was further exploited for...
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