Chem. Commun.

Syndicate content RSC - Chem. Commun. latest articles
RSC - Chem. Commun. latest articles
Updated: 4 hours 2 min ago

Preparation and characterization of [Gd(hfac)3(DTBN)(H2O)] (DTBN = di-t-butyl nitroxide). Ferromagnetic Gd3+-Gd3+ super-superexchange

10 February, 2014 - 23:54

Chem. Commun., 2014, 50,2529-2531
DOI: 10.1039/C3CC48326F, CommunicationTakuya Kanetomo, Takayuki Ishida
Crystal structure of Gd-DTBN was determined, in which strong antiferromagnetic radical-Gd coupling and ferromagnetic GdGd coupling were characterized and assigned.
The content of this RSS Feed (c) The Royal Society of Chemistry

A five-component nanorotor with speed regulation

6 February, 2014 - 22:54

Chem. Commun., 2014, 50,2364-2366
DOI: 10.1039/C3CC49476D, CommunicationSoumen K. Samanta, Jan W. Bats, Michael Schmittel
A five-component supramolecular nanorotor with reversibly acting brakes for speed regulation has been prepared from a four-component nanorotor by adding the photo- and heat-responsive 2,2[prime or minute]-diazastilbene as a signal transducer.
The content of this RSS Feed (c) The Royal Society of Chemistry

5,5[prime or minute]-Bis-(trinitromethyl)-3,3[prime or minute]-bi-(1,2,4-oxadiazole): a stable ternary CNO-compound with high density

6 February, 2014 - 22:54

Chem. Commun., 2014, 50,2268-2270
DOI: 10.1039/C3CC49879D, CommunicationM. A. Kettner, T. M. Klapotke
The new ternary CNO-compound, with a combined nitrogen and oxygen content of above 80%, represents an outstanding dense (2.02 g cm-3 at 100 K) energetic material. As a non-volatile alternative to hexanitroethane it might find application as an energetic oxidizer in solid rocket propellants.
The content of this RSS Feed (c) The Royal Society of Chemistry

Oxovanadium(V)-induced diastereoselective oxidative homocoupling of boron enolates

6 February, 2014 - 22:54

Chem. Commun., 2014, 50,2279-2281
DOI: 10.1039/C3CC49624D, CommunicationToru Amaya, Takaya Masuda, Yusuke Maegawa, Toshikazu Hirao
Oxovanadium(V)-induced dl-selective oxidative coupling of (Z)-boron enolate was demonstrated to give the corresponding 2,3-disubstituted 1,4-diketone in a good yield.
The content of this RSS Feed (c) The Royal Society of Chemistry

Stereoselective iron-catalyzed alkyne hydrogenation in ionic liquids

6 February, 2014 - 22:54

Chem. Commun., 2014, 50,2261-2264
DOI: 10.1039/C3CC49679A, CommunicationTim N. Gieshoff, Alice Welther, Michael T. Kessler, Martin H. G. Prechtl, Axel Jacobi von Wangelin
Nitrile-functionalized iron(0) nanoparticles catalyze the (Z)-selective semi-hydrogenation of alkynes in a biphasic ionic liquid/heptane system.
The content of this RSS Feed (c) The Royal Society of Chemistry

A singly bonded amido-distannyne: H2 activation and isocyanide coordination

6 February, 2014 - 22:54

Chem. Commun., 2014, 50,2321-2323
DOI: 10.1039/C3CC49651A, CommunicationTerrance J. Hadlington, Cameron Jones
The first amido-distannyne has been prepared and shown to activate H2 under ambient conditions (see picture), in addition to forming a stable adduct with the isocyanide, ButNC.
The content of this RSS Feed (c) The Royal Society of Chemistry

Catalytic metal-free Si-N cross-dehydrocoupling

6 February, 2014 - 22:54

Chem. Commun., 2014, 50,2318-2320
DOI: 10.1039/C3CC49558B, CommunicationLutz Greb, Sergej Tamke, Jan Paradies
The B(C6F5)3 catalyzed cross-dehydrocoupling of hydrosilanes with anilines, carbazoles and indoles is reported and provides a metal-free access to silyl-protected amines.
The content of this RSS Feed (c) The Royal Society of Chemistry

Diastereoselective synthesis of a bicyclic [small beta]-lactam with penicillin G-like spectrum of activity by carbonylation of an acyclic diaminocarbene

6 February, 2014 - 22:54

Chem. Commun., 2014, 50,2341-2343
DOI: 10.1039/C3CC48538B, CommunicationTim Schulz, Christian Farber, Michael Leibold, Clemens Bruhn, Pascal Prochnow, Julia E. Bandow, Tanja Schneider, Timo Porsch, Max C. Holthausen, Ulrich Siemeling
Staudinger, retro-Wolff, pro-Fleming: CO reacts with a persistent carbene to a ketene, which rearranges to a transient carbene, which affords a bicyclic [small beta]-lactam by C-H insertion.
The content of this RSS Feed (c) The Royal Society of Chemistry

An easily accessible carbon material derived from carbonization of polyacrylonitrile ultrathin films: ambipolar transport properties and application in a CMOS-like inverter

6 February, 2014 - 22:54

Chem. Commun., 2014, 50,2374-2376
DOI: 10.1039/C3CC49448A, CommunicationFei Jiao, Fengjiao Zhang, Yaping Zang, Ye Zou, Chong'an Di, Wei Xu, Daoben Zhu
Ultrathin carbon films prepared from carbonization of a solution processed polyacrylonitrile (PAN) film displayed balanced electron and hole mobilities under ambient conditions.
The content of this RSS Feed (c) The Royal Society of Chemistry

Enantioselective synthesis of helical polydiacetylenes in the visible light region

6 February, 2014 - 22:54

Chem. Commun., 2014, 50,2338-2340
DOI: 10.1039/C3CC48478E, CommunicationGuang Yang, Lu Han, Hao Jiang, Gang Zou, Qijin Zhang, Douguo Zhang, Pei Wang, Hai Ming
The interaction between CPVL and the PDA oligomer was assumed to play a dominant role in the enantio-selective polymerization process.
The content of this RSS Feed (c) The Royal Society of Chemistry

nBu4NI-Catalyzed oxidative imidation of ketones with imides: synthesis of [small alpha]-amino ketones

6 February, 2014 - 22:54

Chem. Commun., 2014, 50,2367-2369
DOI: 10.1039/C3CC48887J, CommunicationYunhe Lv, Yan Li, Tao Xiong, Yu Lu, Qun Liu, Qian Zhang
nBu4NI-Catalyzed oxidative imidation reactions of ketones and imides for the synthesis of [small alpha]-amino ketones were realized for the first time.
The content of this RSS Feed (c) The Royal Society of Chemistry

Nano-sized heterometallic macrocycles based on 4-pyridinylboron-capped iron(II) clathrochelates: syntheses, structures and properties

6 February, 2014 - 22:54

Chem. Commun., 2014, 50,2327-2329
DOI: 10.1039/C3CC49038F, CommunicationYing-Ying Zhang, Yue-Jian Lin, Guo-Xin Jin
A series of nano-scaled Ir-Fe heterometallic rectangles were prepared from 4-pyridinylboron-capped iron(II) clathrochelates and bis(amidine) ligands. The cavity size could be controlled easily by the length of the organic ligand.
The content of this RSS Feed (c) The Royal Society of Chemistry

Storage of serum peptide information in nanoporous silicon microparticles

6 February, 2014 - 22:54

Chem. Commun., 2014, 50,2334-2337
DOI: 10.1039/C3CC49094G, CommunicationJie Tan, Xiao Li, Guansheng Du, Aiwu Pan, Jianmin Wu
Nanoporous silicon microparticles can effectively protect the serum peptide from degradation, avoiding the alteration of peptide information during storage.
The content of this RSS Feed (c) The Royal Society of Chemistry

New catalytic model systems of tyrosinase: fine tuning of the reactivity with pyrazole-based N-donor ligands

6 February, 2014 - 22:54

Chem. Commun., 2014, 50,2298-2300
DOI: 10.1039/C3CC47888B, CommunicationJessica Nadine Hamann, Felix Tuczek
Two models of tyrosinase containing bidentate ligands with pyrazole moieties are synthesized and characterized with respect to their catalytic activity.
The content of this RSS Feed (c) The Royal Society of Chemistry

Pd/C-catalyzed direct formylation of aromatic iodides to aryl aldehydes using carbon dioxide as a C1 resource

6 February, 2014 - 22:54

Chem. Commun., 2014, 50,2330-2333
DOI: 10.1039/C3CC49365B, CommunicationBo Yu, Yanfei Zhao, Hongye Zhang, Jilei Xu, Leiduan Hao, Xiang Gao, Zhimin Liu
Pd/C-catalyzed direct formylation of aromatic iodides to aryl aldehydes using CO2 as a C1 resource was realized for the first time in the presence of hydrosilanes and base DBU under mild conditions, giving a series of aryl aldehydes in good yields.
The content of this RSS Feed (c) The Royal Society of Chemistry

Alkyne aminohalogenation enabled by DBU-activated N-haloimides: direct synthesis of halogenated enamines

6 February, 2014 - 22:54

Chem. Commun., 2014, 50,2360-2363
DOI: 10.1039/C3CC49572H, CommunicationMengru Li, Haiyan Yuan, Baozhong Zhao, Fushun Liang, Jingping Zhang
Activated by DBU, N-haloimides can be used as both halogen and nitrogen sources to achieve the difunctionalization of terminal alkynes, giving rise to useful halogenated enamines with high efficiency and high regio- and stereoselectivities.
The content of this RSS Feed (c) The Royal Society of Chemistry

[Ag70(PW9O34)2(tBuC[triple bond, length as m-dash]C)44(H2O)2]8+: ionothermal synthesis of a silver cluster encapsulating lacunary polyoxometalate ions

6 February, 2014 - 22:54

Chem. Commun., 2014, 50,2353-2355
DOI: 10.1039/C3CC49290G, CommunicationZhan-Guo Jiang, Kang Shi, Yu-Mei Lin, Quan-Ming Wang
A silver alkynyl cluster containing a Ag70 shell and two lacunary [PW9O34]9- templating ions has been synthesized by an ionothermal approach.
The content of this RSS Feed (c) The Royal Society of Chemistry

Copper-mediated C3-cyanation of indoles by the combination of amine and ammonium

6 February, 2014 - 22:54

Chem. Commun., 2014, 50,2315-2317
DOI: 10.1039/C3CC49339C, CommunicationBin Liu, Jiehui Wang, Bo Zhang, Yang Sun, Lei Wang, Jianbin Chen, Jiang Cheng
A copper-promoted C3-cyanation of both the free N-H and N-protected indoles by N,N,N[prime or minute],N[prime or minute]-tetramethyl-ethane-1,2-diamine (TMEDA) and ammonium is achieved.
The content of this RSS Feed (c) The Royal Society of Chemistry

Direct access to isoindolines through tandem Rh(III)-catalyzed alkenylation and cyclization of N-benzyltriflamides

6 February, 2014 - 22:54

Chem. Commun., 2014, 50,2350-2352
DOI: 10.1039/C3CC49486A, CommunicationNeeraj Kumar Mishra, Jihye Park, Satyasheel Sharma, Sangil Han, Mirim Kim, Youngmi Shin, Jinbong Jang, Jong Hwan Kwak, Young Hoon Jung, In Su Kim
The rhodium-catalyzed oxidative alkenylation of N-benzyltriflamides with olefins followed by an intramolecular cyclization via C-H bond activation is described.
The content of this RSS Feed (c) The Royal Society of Chemistry

Total synthesis of sulfolipid-1

6 February, 2014 - 22:54

Chem. Commun., 2014, 50,2286-2288
DOI: 10.1039/C3CC48087A, CommunicationDanny Geerdink, Adriaan J. Minnaard
Sulfolipid-1, a tetra-acylated sulfotrehalose from Mycobacterium tuberculosis, has been prepared 43 years after its first isolation.
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.