Chem. Commun.

Syndicate content RSC - Chem. Commun. latest articles
RSC - Chem. Commun. latest articles
Updated: 1 day 17 hours ago

Tunable Acid-Sensitive Ester Protecting Groups in Oligosaccharide Synthesis

1 January, 2014 - 13:54
Chem. Commun., 2013, Accepted Manuscript
DOI: 10.1039/C3CC49205B, CommunicationYao Li, Xinyu Liu
A series of acid-cleavable ester-type protecting groups, of which acid-sensitivity profiles parallel that of 2-naphthylmethyl (NAP) or p-methoxybenzyl (PMB) ether, were designed and TFA in toluene was identified as a...
The content of this RSS Feed (c) The Royal Society of Chemistry

Double Smiles rearrangement of Passerini adducts towards benzoxazinones.

1 January, 2014 - 13:54
Chem. Commun., 2013, Accepted Manuscript
DOI: 10.1039/C3CC49022J, CommunicationLaurent El Kaim, laurence Grimaud, Aurelie Dos Santos, Elodie Martinand-Lurin, Pascal Retailleau
A new straightforward access to benzoxazinones based on a three-component coupling is presented here. The mechanism of the whole process involved a double aryl transfer as clearly underlined by the...
The content of this RSS Feed (c) The Royal Society of Chemistry

Efficient synthesis of narrowly dispersed hydrophilic and magnetic molecularly imprinted polymer microspheres with excellent molecular recognition ability in the real biological sample

1 January, 2014 - 13:54
Chem. Commun., 2013, Accepted Manuscript
DOI: 10.1039/C3CC49131E, CommunicationMan Zhao, Cong Zhang, Ying Zhang, Xianzhi Guo, Husheng Yan, Huiqi Zhang
A facile and highly efficient approach to obtain narrowly dispersed hydrophilic and magnetic molecularly imprinted polymer microspheres with molecular recognition ability in the real biological sample as good as what...
The content of this RSS Feed (c) The Royal Society of Chemistry

Efficient Synthesis of Chiral Cyclic Acetals by Metal and Bronsted Acid Co-Catalyzed Entioselective Four-component Cascade Reactions

1 January, 2014 - 13:54
Chem. Commun., 2013, Accepted Manuscript
DOI: 10.1039/C3CC49063G, CommunicationLin Qiu, Xin Guo, Chaoqun Ma, Huang Qiu, Shunying Liu, Liping Yang, Wenhao Hu
Four-component Mannich reactions subsequently followed by an intramolecular oxo-Michael addition were developed to efficiently produce chiral cyclic acetals with high diastereoselectivity and enantioselectivity.
The content of this RSS Feed (c) The Royal Society of Chemistry

Immobilisation of Photoswitchable Diarylcyclohexenes Synthesised via Cobalt-Mediated Diels-Alder Reaction

1 January, 2014 - 13:54
Chem. Commun., 2013, Accepted Manuscript
DOI: 10.1039/C3CC48487D, CommunicationPeter Raster, Anastasia Schmidt, Maxie Rambow, Natascha Kuzmanovic, Burkhard Konig, Gerhard Hilt
Functionalised photoswitches in two steps: Photochromic dithienylcyclohexenes were prepared by a cobalt-mediated Diels-Alder reaction of internal alkynes with isoprenyl-pinacolboronic ester. The three-component - one-pot reaction sequence provides the photochromic dithienylcyclohexenes...
The content of this RSS Feed (c) The Royal Society of Chemistry

Enantioselective Construction of Vicinal All-Carbon Quaternary Centers via DYKATs Featuring a Catalytic Double Enantioselective Allylations

1 January, 2014 - 13:54
Chem. Commun., 2013, Accepted Manuscript
DOI: 10.1039/C3CC49064E, CommunicationAlakesh Bisai, Santanu Ghosh, Subhajit Bhunia, Badrinath N. Kakde, Subhadip De
We report a catalytic stereoconvergent construction of vicinal all-carbon quaternary centers that takes advantage of double stereoablative enantioselective alkylations of a mixture having racemic and meso diastereomers of esters to...
The content of this RSS Feed (c) The Royal Society of Chemistry

Regioselective synthesis of 2,3-dihydrobenzodioxepinones from epoxides and 2-bromophenols via palladium-catalyzed carbonylation

1 January, 2014 - 13:54
Chem. Commun., 2013, Accepted Manuscript
DOI: 10.1039/C3CC48490D, CommunicationXiao-Feng Wu, Haoquan Li, Anke Spannenberg, Helfried Neumann, Matthias Beller
A highly regioselective cascade synthesis of 2,3-dihydrobenzodioxepinone from 2-bromophenols and epoxides has been developed. The reactions go through nucleophilic ring-opening of epoxides and subsequent palladium-catalyzed intramolecular alkoxylcarbonylation reaction.
The content of this RSS Feed (c) The Royal Society of Chemistry

Ligand-Controlled E/Z Selectivity and Enantioselectivity in Palladium-Catalyzed Allylation of Benzofuranones with 1,2-Disubstituted Allylic Carbonates

1 January, 2014 - 13:54
Chem. Commun., 2013, Accepted Manuscript
DOI: 10.1039/C3CC49338E, CommunicationKohsuke Ohmatsu, Mitsunori Ito, Takashi Ooi
The first highly E- and enantioselective allylic alkylation of prochiral carbon nucleophiles with 1,2-disubstituted allylic carbonates is reported. The key to the successful development of this protocol is the ability...
The content of this RSS Feed (c) The Royal Society of Chemistry

Ligand-Free Hydroboration of Alkynes Catalyzed by Heterogeneous Copper Powder with High Efficiency

1 January, 2014 - 13:54
Chem. Commun., 2013, Accepted Manuscript
DOI: 10.1039/C3CC48670B, CommunicationJie Zhao, Zhiqiang Niu, Hua Fu, Yadong Li
Regioselective hydroboration of terminal and internal alkynes is realized by using 10 mol% copper powder (0.3-1 [small mu ]m) at room temperature. 24 examples were efficiently converted into vinylboronates in yield up...
The content of this RSS Feed (c) The Royal Society of Chemistry

Palladium-Catalyzed P(O)R2 Directed C-H Arylation to Synthesize Electron-rich Polyaromatic Monophosphorus Ligands

1 January, 2014 - 13:54
Chem. Commun., 2013, Accepted Manuscript
DOI: 10.1039/C3CC49050E, CommunicationShang-Dong Yang, Rong-Bin Hu, Heng Zhang, Xiao-Yu Zhang
Palladium-catalyzed arylation of (diisopropylphosphoryl) biphenyl skeleton derivatives by the P(O)R2 directed C-H functionalization was reported. The related products were obtained in high regioselectivity and well functional groups tolerance. This reaction...
The content of this RSS Feed (c) The Royal Society of Chemistry

An Unusual OFF-ON Fluorescence Sensor for Detecting Mercury Ions in Aqueous Media and Living Cells

1 January, 2014 - 13:54
Chem. Commun., 2013, Accepted Manuscript
DOI: 10.1039/C3CC47915C, CommunicationMaozhong Tian, Libing Liu, Yongjun Li, taifeng liu, Ruifeng Hu, Huibiao Liu, Shu Wang, Yuliang Li
A novel azo derivative sensor (BDAA) based on alkynes was designed and utilized to direct detecting Hg2+ in aqueous solution and living cell. The new strategy achieved off to on...
The content of this RSS Feed (c) The Royal Society of Chemistry

Organocatalytic Photoreduction of Zn(II) to Zinc Metal

1 January, 2014 - 13:54
Chem. Commun., 2013, Accepted Manuscript
DOI: 10.1039/C3CC47633B, CommunicationAnthony C Brooks, Katherine Basore, Stefan Bernhard
The photoreduction of Zn(II) to Zn metal catalyzed by 8-hydroxyquinoline derivatives is reported. Structure-activity relationships, ideal reaction conditions, and the reaction kinetics are described and a mechanism involving an in...
The content of this RSS Feed (c) The Royal Society of Chemistry

The genesis of a heterogeneous catalyst: in-situ observation of a transition metal complex adsorbing onto an oxide surface in solution

1 January, 2014 - 13:54
Chem. Commun., 2013, Accepted Manuscript
DOI: 10.1039/C3CC48838A, CommunicationAntoine Hervier, Juliette Blanchard, Guylene COSTENTIN, Catherine Louis, John Regalbuto, Souhir Boujday
Understanding the interactions between metal complexes and oxide surfaces is crucial to the synthesis of supported metal catalysts. Recently developed in situ techniques have made it possible to closely characterize...
The content of this RSS Feed (c) The Royal Society of Chemistry

One step preparation of high performance Ge/C nanocomposites anode for lithium ion batteries by tandem plasma reactions

1 January, 2014 - 13:54
Chem. Commun., 2013, Accepted Manuscript
DOI: 10.1039/C3CC47719C, CommunicationWei Li, Jie Zheng, Tiankai Chen, Teng Wang, Xiaojuan Wang, Xingguo Li
We employ a tandem plasma reaction method to prepare ultrafine Ge nanoparticles embedded in carbon matrix in one step. The obtained Ge/C composite exhibits very high lithium storage capacity (980...
The content of this RSS Feed (c) The Royal Society of Chemistry

Pyridine-2-thiolate bridged tin-palladium complexes with Sn(PdN2Cl2), Sn(PdN2S2), Sn(PdN2C2) and Sn(Pd2N4) skeletons

1 January, 2014 - 13:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C3CC47912A, CommunicationErik Wachtler, Robert Gericke, Lyuben Zhechkov, Thomas Heine, Thorsten Langer, Birgit Gerke, Rainer Pottgen, Jorg Wagler
Pyridine-2-thiolate tin(IV) compounds were shown to chelate Pd(0) in a pincer-like fashion with formation of penta- and hexacoordinate tin compounds.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry

The nitrilimine-alkene cycloaddition is an ultra rapid click reaction

1 January, 2014 - 13:54
Chem. Commun., 2013, Accepted Manuscript
DOI: 10.1039/C3CC48682F, CommunicationWenshe Liu, Xiaoshan Shayna Wang, Yan-Jiun Lee
The transient formation of nitrilimine in aqueous conditions is greatly influenced by pH and chloride. At a slightly basic condition (pH 10) with no chloride, a diarylnitrilimine precursor readily ionizes...
The content of this RSS Feed (c) The Royal Society of Chemistry

The [small beta][small beta][small alpha] fold of zinc finger proteins as a "natural" protecting group. Chemoselective synthesis of a DNA-binding zinc finger derivative

1 January, 2014 - 13:54
Chem. Commun., 2013, Accepted Manuscript
DOI: 10.1039/C3CC47599A, CommunicationJose Luis Mascarenas, Jessica Rodriguez, Jesus Mosquera, Olalla Vazquez, M. Eugenio Vazquez
We report the selective modification of cysteine residues engineered in peptides that feature two additional cysteine residues as part of a Cys2His2 zinc finger motif. The chemoselective modification is achieved...
The content of this RSS Feed (c) The Royal Society of Chemistry

First Enzymatic Hydrolysis/Thio-Michael Addition Cascade Route to AChE Inhibitors

1 January, 2014 - 13:54
Chem. Commun., 2013, Accepted Manuscript
DOI: 10.1039/C3CC48871C, CommunicationEmilia Oueis, Florian Nachon, Cyrille Sabot, Pierre-Yves Renard
The irreversible Michael addition of thiols to acrylamides is reported as a new tool for the kinetic target guided synthesis. In an unprecedented enzymatic hydrolysis/thio-Michael addition procedure, potent and selective...
The content of this RSS Feed (c) The Royal Society of Chemistry

Novel regio- and stereoselective phosphonyl radical addition to glycals promoted by Mn(II)/air: syntheses of 1, 2-dideoxy 2-C-diphenylphosphinylglycopyranosides

1 January, 2014 - 13:54
Chem. Commun., 2013, Accepted Manuscript
DOI: 10.1039/C3CC48806C, CommunicationFuyi Zhang, Liming Wang, Cui Zhang, YuFen Zhao
1,2-Dideoxy-2-C-diphenylphosphinylglycopyranosides were first synthesized by the novel Mn(II)/air promoted reaction of diphenylphosphine oxide with various glycals in high yields with excellent regio- and stereoselectivities, which was clarified as a radical...
The content of this RSS Feed (c) The Royal Society of Chemistry

Synthesis of [gamma]-Labeled Nucleoside 5'-Triphosphates using Click Chemistry

1 January, 2014 - 13:54
Chem. Commun., 2013, Accepted Manuscript
DOI: 10.1039/C3CC48937J, CommunicationSascha Serdjukow, Florian Kink, Barbara Steigenberger, Maria Tomas-Gamasa, Thomas Carell
Real-time enzymatic studies are gaining importance as their chemical and technical instrumentation improves. Here we report the efficient synthesis of [gamma]-alkyne modified triphosphate amidates that are converted into a variety...
The content of this RSS Feed (c) The Royal Society of Chemistry

WebElements: the periodic table on the WWW [http://www.webelements.com/]

Copyright 1993-2011 Mark Winter [The University of Sheffield and WebElements Ltd, UK]. All rights reserved.