Feed aggregator

Trienamine-Mediated Asymmetric [4+2]-Cycloaddition of [small alpha],[small beta]-Unsaturated Ester Surrogates Applying 4-Nitro-5-Styrylisoxazoles

Chem. Commun. - 4 hours 37 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08171D, CommunicationYang Li, Francisco Javier Lopez-Delgado, Danny Kaare Bech Jorgensen, Rune Pagh Nielsen, Hao Jiang, Karl Anker Jorgensen
Highly enantioselective organocatalytic formal [4+2]-cycloaddition of in-situ generated trienamines with 4-nitro-5-styrylisoxazoles as [small alpha],[small beta]-unsaturated ester surrogates is presented. The synthetic utility of this strategy is demonstrated by transforming the formed cycloadducts...
The content of this RSS Feed (c) The Royal Society of Chemistry

Sulfur-bubble template-mediated synthesis of uniform porous g-C3N4 with superior photocatalytic performance

Chem. Commun. - 4 hours 37 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07106A, CommunicationFang He, Gang Chen, Yao-Guang Yu, yansong zhou, Yi Zheng, sue Hao
A facile sulfur-bubble template-mediated synthesis of uniform porous g-C3N4 has been developed for the first time. The obtained sulfur-mediated g-C3N4 presents uniform porous structure with higher BET surface area and...
The content of this RSS Feed (c) The Royal Society of Chemistry

A rare (3,4,5)-connected metal-organic framework featuring an unprecedented 1D + 2D [rightward arrow] 3D self-interpenetrated array and O-atom lined pore surface: structure and drug controlled release

Chem. Commun. - 4 hours 37 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08214A, CommunicationDi-Chang Zhong, Lie-Qiang Liao, Ji-Hua Deng, Qing Chen, Ping Lian, Xu-Zhong Luo
A rare (3,4,5)-connected self-interpenetrated metal-organic framework with O-atom lined pore surface has been constructed from Zn(II) and H4L (H4L = 5,5'-(1,3,6,8-tetraoxobenzo[lmn][3,8]phenanthroline-2,7(1H,3H,6H,8H)diyl)-diisophthalic acid), which features an unprecedented 1D + 2D [rightward arrow]...
The content of this RSS Feed (c) The Royal Society of Chemistry

An unexpected reaction of 2-alkynylaryldiazonium tetrafluoroborate with sulfur dioxide

Chem. Commun. - 4 hours 37 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07938H, CommunicationYong Luo, Xiaolin Pan, Chen Chen, Liangqing Yao, Jie Wu
An unexpected result from the reaction of 2-alkynylaryldiazonium tetrafluoroborate with sulfur dioxide is described. In the presence of morpholin-4-amine, this transformation catalyzed by copper(I) bromide proceeds through insertion of sulfur...
The content of this RSS Feed (c) The Royal Society of Chemistry

A Liquid Azobenzene as Solvent-Free Solar Thermal Fuel

Chem. Commun. - 4 hours 37 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07713J, CommunicationKouta Masutani, Masa-aki Morikawa, Nobuo Kimizuka
A liquid azobenzene derivative was developed as a potential solar thermal storage material. A short branched alkyl chain was introduced to the 4-position of azobenzene chromophore, which successfully gave liquid...
The content of this RSS Feed (c) The Royal Society of Chemistry

Self-assembled graphene oxide microcapsules with adjustable permeability and yolk-shell superstructures derived from atomized droplets

Chem. Commun. - 4 hours 37 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07734B, Communicationguoliang zhang, Wanbin Li, Zehai Xu, Asang Yang, Yufan Zhang, Qin Meng
GO microcapsules were assembled on the surface of atomized droplets prepared by a spray-drying strategy. The nanochannels in microcapsule wall can be adjusted by water-soluble polymer and make the microcapsule...
The content of this RSS Feed (c) The Royal Society of Chemistry

Direct C-H Difluoromethylenephosphonation of Arenes and Heteroarenes with Bromodifluoromethylphosphonate via Visible-Light Photocatalysis

Chem. Commun. - 4 hours 37 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07925F, CommunicationLin Wang, Xiao-Jing Wei, Wen-Long Lei, Han Chen, Li-Zhu Wu, Qiang Liu
This paper reports a room temperature visible-light-driven protocol for the C-H difluoromethylenephosphonation of arenes and heteroarenes. Using a commercially available diethyl bromodifluoromethylphosphonate as a precursor of difluoromethyl radical, fac-Ir(ppy)3 as...
The content of this RSS Feed (c) The Royal Society of Chemistry

From MgBr via single-electron transfer (SET) to a paramagnetic Mg(II) compound and back to Mg(I): [MgBr(L1)[radical dot]]2 and [K(thf)3]2[Mg2(L1)2], L1 = RN[double bond, length as m-dash]C(Me)C(Me)[double bond, length as m-dash]NR, R = 2,6-diisopropylphen

Chem. Commun. - 4 hours 37 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07680J, CommunicationT. Kruczynski, P. Henke, T. Augenstein, N. Arleth, F. Breher, H. Schnockel
Single electron transfer (SET) from the monomeric Mg(I) bromide - in a metastable solution - to a bulky diimine ligand results in a new starting material for the formation of a Mg-Mg bond.
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

Construction of N-Containing Heterocycles via Oxidative Intramolecular N-H/X-H Coupling

Chem. Commun. - 4 hours 37 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08116A, Feature ArticleJiwen Yuan, Chao Liu, Aiwen Lei
The preparation of N-containing heterocycles is always the core of synthetic chemistry. Recently, oxidative coupling between two R-H nucleophiles are gaining more attention due to its atom-economy and step-economy, thus...
The content of this RSS Feed (c) The Royal Society of Chemistry

Silver(I) and thallium(I) cations as unsupported bridges between two metal bases

Chem. Commun. - 4 hours 37 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08508F, CommunicationHolger Braunschweig, Rian David Dewhurst, Florian Hupp, Christoph Schneider
Stirring Lewis-basic transition metal complexes with the salts M[BArCl4] (M = Ag, Tl; ArCl = 3,5-C6H3Cl2) resulted in the formation of diplatinum complexes [{(Cy3P)2Pt}2([small micro]-Ag)][BArCl4] (3) and [{(Cy3P)2Pt}2([small micro]-Tl)][BArCl4] (4) and the...
The content of this RSS Feed (c) The Royal Society of Chemistry

TOLL-LIKE RECEPTOR AGONIST LIPOPEPTIDES SELF-ASSEMBLE INTO DISTINCT NANOSTRUCTURES

Chem. Commun. - 4 hours 37 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07511K, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Ian Hamley, Steven Kirkham, Ashkan Dehsorkhi, Valeria Castelletto, Mehedi Reza, Janne Ruokolainen
The self-assembled structure of Toll-like receptor agonist lipopeptides containing the CSK4 peptide sequence is examined in aqueous solution. A remarkable dependence of morphology on the number of attached hexadecyl lipid...
The content of this RSS Feed (c) The Royal Society of Chemistry

Highly Efficient Asymmetric Synthesis of Quaternary Stereocenter-Containing Indolizidine and Quinolizidine Alkaloids Using Aldehydes, Nitroalkenes, and Unactivated Cyclic Ketimines

Chem. Commun. - 4 hours 37 min ago
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07703B, CommunicationYu Tan, Yong-Jian Chen, Hua Lin, Hanlin Luan, Xing-Wen Sun, Xiaodi Yang, guoqiang lin
A highly efficient approach for the construction of indolizidines and quinolizidines bearing a bridged quaternary stereocenter has been established in a one-pot fashion using aldehydes, nitroalkenes, and cyclic ketimines with...
The content of this RSS Feed (c) The Royal Society of Chemistry

Nature of conductivity in SrSiO3-based fast ion conductors

Chem. Commun. - 4 hours 37 min ago

Chem. Commun., 2014, 50,14732-14735
DOI: 10.1039/C4CC07025A, CommunicationC. Tealdi, L. Malavasi, I. Uda, C. Ferrara, V. Berbenni, P. Mustarelli
Recrystallization of a secondary glass phase leads to a drop in conductivity in samples of nominal composition Sr1-xNaxSiO3-0.5x.
The content of this RSS Feed (c) The Royal Society of Chemistry

Spectroscopic evidence for a gas-phase librating G-quartet-Na+ complex

Chem. Commun. - 4 hours 37 min ago

Chem. Commun., 2014, 50,14767-14770
DOI: 10.1039/C4CC05149A, CommunicationC. Fraschetti, M. Montagna, L. Guarcini, L. Guidoni, A. Filippi
The Na+-G4 adduct exists as a mixture of two metastable populations, rapidly interconverting at room temperature.
The content of this RSS Feed (c) The Royal Society of Chemistry

Cucurbit[6]uril-cucurbit[7]uril heterodimer promotes controlled self-assembly of supramolecular networks and supramolecular micelles by self-sorting of amphiphilic guests

Chem. Commun. - 4 hours 37 min ago

Chem. Commun., 2014, 50,14756-14759
DOI: 10.1039/C4CC07268E, CommunicationMingming Zhang, Liping Cao, Lyle Isaacs
We report the synthesis of CB[6]-CB[7] heterodimer 1 and its self-assembly into supramolecular networks and supramolecular micelles when combined with hydrophobic and hydrophilic polymeric guests.
The content of this RSS Feed (c) The Royal Society of Chemistry

Exceptionally strong hydrogels through self-assembly of an indole-capped dipeptide

Chem. Commun. - 4 hours 37 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07941H, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Adam D. Martin, Andrew B. Robinson, Alexander F. Mason, Jonathan P. Wojciechowski, Pall Thordarson
A dipeptide bearing an indole capping group forms exceptionally strong, hydrogels, with a storage modulus of [similar]0.3 MPa. these hydrogels exhibit a minimal fibre-branching, with strong lateral association of fibrils.
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

Potential-dependent hydration structures at aqueous solution/graphite interfaces by electrochemical frequency modulation atomic force microscopy

Chem. Commun. - 4 hours 37 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07093C, CommunicationToru Utsunomiya, Yasuyuki Yokota, Toshiaki Enoki, Ken-ichi Fukui
Highly sensitive force measurements revealed that the hydration structure at the graphite electrode interface was drastically modified by increased electrolyte anions.
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

Aptamer-based biosensors for the rapid visual detection of flu viruses

Chem. Commun. - 4 hours 37 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07888H, CommunicationT. T. Le, B. Adamiak, D. J. Benton, C. J. Johnson, S. Sharma, R. Fenton, J. W. McCauley, M. Iqbal, A. E. G. Cass
RNA aptamers showing affinity and specificity for different strains of human influenza virus were assembled onto gold nanoparticles that subsequently formed a gold nanoshell (AuNS) around the viral envelope.
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

Cobalt carbonate hydroxide/C: an efficient dual electrocatalyst for oxygen reduction/evolution reactions

Chem. Commun. - 4 hours 37 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07722A, CommunicationYao Wang, Wei Ding, Siguo Chen, Yao Nie, Kun Xiong, Zidong Wei
We report the firstly employed cobalt carbonate hydroxide supported on a carbon catalyst for oxygen reduction/oxygen evolution reactions, which showed high activity and superior stability.
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

One-pot synthesis of dibenzo[b,h][1,6]naphthyridines from 2-acetylaminobenzaldehyde: application to a fluorescent DNA-binding compound

Chem. Commun. - 4 hours 37 min ago

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07807A, CommunicationKentaro Okuma, Tomohiro Koga, Saori Ozaki, Yutaro Suzuki, Kenta Horigami, Noriyoshi Nagahora, Kosei Shioji, Masatora Fukuda, Masanobu Deshimaru
Dibenzo[b,h][1,6]naphthyridines were synthesized in one pot by reacting 2-acetylamainobnezaldehyde with methyl ketones under basic conditions, methylation of which showed strong fluorescence.
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

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.