Royal Society of Chemistry

Catalytic carbene transfer allows the direct customization of cyclic purine dinucleotides

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8499-8502
DOI: 10.1039/C4CC01919A, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Na Fei, Daniel Haussinger, Seraina Blumli, Benoit-Joseph Laventie, Lorenzo D. Bizzini, Kaspar Zimmermann, Urs Jenal, Dennis Gillingham
We describe a simple method for the direct modification of nucleobases in cyclic purine dinucleotides, important signalling molecules in both prokaryotes and eukaryotes.
The content of this RSS Feed (c) The Royal Society of Chemistry

Adsorption and reaction of sub-monolayer films of an ionic liquid on Cu(111)

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8601-8604
DOI: 10.1039/C4CC03203A, CommunicationBenedikt Uhl, Florian Buchner, Stephan Gabler, Maral Bozorgchenani, R. Jurgen Behm
The reactive interaction of the ionic liquid 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide [BMP][TFSA] with Cu(111) was investigated by scanning tunnelling microscopy (STM) and X-ray photoelectron spectroscopy (XPS) under ultrahigh vacuum (UHV) conditions.
The content of this RSS Feed (c) The Royal Society of Chemistry

An acyl-SAM analog as an affinity ligand for identifying quorum sensing signal synthases

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8586-8589
DOI: 10.1039/C4CC03094J, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Kenji Kai, Hiroki Fujii, Rui Ikenaka, Mitsugu Akagawa, Hideo Hayashi
We here report the affinity purification of N-acylhomoserine lactone synthases using beads conjugated with an enzyme inhibitor, which was designed based on the catalytic intermediate acyl-SAM.
The content of this RSS Feed (c) The Royal Society of Chemistry

Dendrimeric tetravalent ligands for the serotonin-gated ion channel

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8582-8585
DOI: 10.1039/C4CC02502D, CommunicationMarco Paolino, Laura Mennuni, Germano Giuliani, Maurizio Anzini, Marco Lanza, Gianfranco Caselli, Chiara Galimberti, Maria Cristina Menziani, Alessandro Donati, Andrea Cappelli
The paper describes an approach to multivalency in the 5-HT3 receptor through the synthesis of a tetravalent ligand showing picomolar affinity.
The content of this RSS Feed (c) The Royal Society of Chemistry

A covalent polyoxomolybdate-based hybrid with remarkable electron reservoir properties

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8575-8577
DOI: 10.1039/C4CC03779K, CommunicationCorentin Rinfray, Severine Renaudineau, Guillaume Izzet, Anna Proust
The molybdenum core confers enhanced redox properties to a hybrid POM platform, which are further improved in the presence of acid.
The content of this RSS Feed (c) The Royal Society of Chemistry

One-pot synthesis of fluorescent BSA-Ce/Au nanoclusters as ratiometric pH probes

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8571-8574
DOI: 10.1039/C4CC03949A, CommunicationYa-Na Chen, Po-Cheng Chen, Chia-Wei Wang, Yu-Shen Lin, Chung-Mao Ou, Lin-Chen Ho, Huan-Tsung Chang
BSA-Ce/Au NCs as ratiometric pH sensors: the fluorescence intensities of BSA-Ce/Au NCs at 410 and 650 nm are pH dependent and independent, respectively. HeLa cell images of the BSA-Ce/Au NCs at various pH values are displayed.
The content of this RSS Feed (c) The Royal Society of Chemistry

A fast and selective probe for monitoring Pd2+ in aqueous medium via the dual-optical readout

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8488-8490
DOI: 10.1039/C4CC03891F, CommunicationAnup Kumar, Megha Chhatwal, Alok Kumar Singh, Vikram Singh, Manoj Trivedi
A fast, selective and regenerative probe for real-time monitoring of ppm levels of Pd2+ in aqueous medium has been demonstrated.
The content of this RSS Feed (c) The Royal Society of Chemistry

Sodium borohydride treatment: a simple and effective process for the removal of stabilizer and capping agents from shape-controlled palladium nanoparticles

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC02747G, CommunicationNaresh Nalajala, Wasim Feroze Gooty Saleha, Bradley P. Ladewig, Manoj Neergat
Using the hydride formation property of Pd for the removal of strongly-adsorbed impurities from nanoparticle surfaces.
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

Step-by-step on-surface synthesis: from manganese phthalocyanines to their polymeric form

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8565-8567
DOI: 10.1039/C4CC02792B, CommunicationM. Koudia, M. Abel
On-surface reaction of tetracyanobenzene molecules with Mn atoms is presented.
The content of this RSS Feed (c) The Royal Society of Chemistry

Palladium-catalyzed thiolation of alkanes and ethers with arylsulfonyl hydrazides

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8578-8581
DOI: 10.1039/C4CC02876G, CommunicationSheng-rong Guo, Wei-ming He, Jian-nan Xiang, Yan-qin Yuan
A new method for the preparation of alkyl aryl sulfides through direct oxidative thiolation of alkanes or ethers with arylsulfonyl hydrazides using DTBP as an oxidant catalyzed by Pd(OAc)2 has been reported. The C-H bonds in various alkanes or ethers were successfully converted into C-S bonds with moderate to good yields.
The content of this RSS Feed (c) The Royal Society of Chemistry

A novel self-assembling nanoparticle of Ag-Bi with high reactive efficiency

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8597-8600
DOI: 10.1039/C4CC03300K, CommunicationJianyu Gong, Chung-Seop Lee, Yoon-Young Chang, Yoon-Seok Chang
A novel nanoparticle of Ag-Bi shows excellent purification of contaminated water without other supplements.
The content of this RSS Feed (c) The Royal Society of Chemistry

Zinc-catalyzed synthesis of 2-alkenylfurans via cross-coupling of enynones and diazo compounds

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8536-8538
DOI: 10.1039/C4CC03960B, CommunicationJesus Gonzalez, Luis A. Lopez, Ruben Vicente
A ZnCl2 catalyzed selective cross-coupling of enynones and diazo compounds, leading to a variety of 2-alkenylfurans, is reported.
The content of this RSS Feed (c) The Royal Society of Chemistry

Chiral phosphoramide-catalyzed enantioselective synthesis of 2,3[prime or minute]-diindolylarylmethanes from indol-2-yl carbinols and indoles

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8605-8608
DOI: 10.1039/C4CC03605K, CommunicationShuai Qi, Chao-You Liu, Jin-Ying Ding, Fu-She Han
The first enantioselective synthesis of 2,3[prime or minute]-diindolylarylmethanes through the asymmetric reaction of indol-2-yl carbinols with indole derivatives catalyzed by chiral phosphoramides is presented.
The content of this RSS Feed (c) The Royal Society of Chemistry

From meiogynin A to the synthesis of dual inhibitors of Bcl-xL and Mcl-1 anti-apoptotic proteins

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8593-8596
DOI: 10.1039/C4CC01830C, CommunicationS. Desrat, C. Remeur, C. Geny, G. Riviere, C. Colas, V. Dumontet, N. Birlirakis, B. I. Iorga, F. Roussi
The synthesis of one of the most potent pan inhibitors of the anti-apoptotic proteins Bcl-xL and Mcl-1 is reported. This analogue of a natural sesquiterpenoid dimer meiogynin A was elaborated by a convergent asymmetric synthesis with 36% yield in ten steps.
The content of this RSS Feed (c) The Royal Society of Chemistry

Direct evidence by in situ IR CO monitoring of the formation and the surface segregation of a Pt-Sn alloy

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8590-8592
DOI: 10.1039/C4CC03208J, CommunicationAlina Moscu, Yves Schuurman, Laurent Veyre, Chloe Thieuleux, Frederic Meunier
The heat of CO adsorption on the Pt atoms of a Pt-Sn alloy phase could be determined by DRIFTS and found to be about half that measured on a plain Pt reference. Surprisingly, a reversible surface segregation of the Pt-Sn alloy was observed at temperatures below 175 [degree]C.
The content of this RSS Feed (c) The Royal Society of Chemistry

Can silylenes rival transition metal systems in bond-strengthening [small pi]-back donation? A computational investigation

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8522-8525
DOI: 10.1039/C4CC02470B, CommunicationAmrita Pal, Kumar Vanka
Full quantum chemical calculations with density functional theory (DFT) show that bond-strengthening back-donation to a [small pi]-diborene, recently discovered for transition metal systems (Braunschweig and co-workers, Nat. Chem., 2013, 5, 115-121), would be just as favored for Main Group silylene complexes.
The content of this RSS Feed (c) The Royal Society of Chemistry

Rational design of biotinylated probes: fluorescent turn-on detection of (strept)avidin and bioimaging in cancer cells

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8518-8521
DOI: 10.1039/C4CC03315A, CommunicationQian Sun, Junhong Qian, Haiyu Tian, Liping Duan, Weibing Zhang
Two fluorescent probes for (strept)avidin were synthesized. (Strept)avidin induced dramatical fluorescence changes in both probes. SPS2 has potential in fluorescent imaging of living tumor cells.
The content of this RSS Feed (c) The Royal Society of Chemistry

Dual functionalization of porous aromatic frameworks as a new platform for heterogeneous cascade catalysis

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8507-8510
DOI: 10.1039/C4CC04012K, CommunicationYiming Zhang, Baiyan Li, Shengqian Ma
Dual functionalization of PAFs has been achieved by stepwise post-synthetic modification of PAF-1 with two antagonistic groups of strong acid and strong base, which catalyzes a series of cascade reactions and demonstrates superior chemical stability compared to mesoporous silica and MOF-based bifunctional solids.
The content of this RSS Feed (c) The Royal Society of Chemistry

A copper(II) perchlorate-promoted tandem reaction of internal alkynol and salicyl N-tosylhydrazone: direct access to isochromeno[3,4-b]chromene

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8514-8517
DOI: 10.1039/C4CC02862G, CommunicationHai Xiao Siyang, Xu Rui Wu, Xiao Yue Ji, Xin Yan Wu, Pei Nian Liu
A copper(II) perchlorate-promoted tandem reaction of internal alkynol and salicyl N-tosylhydrazone provides a novel, concise method for constructing isochromeno[3,4-b]chromene in 35-94% yields.
The content of this RSS Feed (c) The Royal Society of Chemistry

DNA adsorption by magnetic iron oxide nanoparticles and its application for arsenate detection

Chem. Commun. - 10 July, 2014 - 11:17

Chem. Commun., 2014, 50,8568-8570
DOI: 10.1039/C4CC03264K, CommunicationBiwu Liu, Juewen Liu
Arsenate strongly displaces fluorescently labeled DNA adsorbed on iron oxide nanoparticles, allowing sensitive and convenient arsenate detection.
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.