Royal Society of Chemistry

Covalent coupling via dehalogenation on Ni(111) supported boron nitride and graphene

Chem. Commun. - 28 January, 2015 - 15:17

Chem. Commun., 2015, 51,2440-2443
DOI: 10.1039/C4CC07107G, CommunicationClaudius Morchutt, Jonas Bjork, Soren Krotzky, Rico Gutzler, Klaus Kern
Polymerization of 1,3,5-tris(4-bromophenyl)benzene on graphene and hexagonal boron nitride is investigated by scanning tunnelling microscopy and density functional theory.
The content of this RSS Feed (c) The Royal Society of Chemistry

Post metalation of solvothermally grown electroactive porphyrin metal-organic framework thin films

Chem. Commun. - 28 January, 2015 - 15:17

Chem. Commun., 2015, 51,2414-2417
DOI: 10.1039/C4CC09272D, CommunicationChung-Wei Kung, Ting-Hsiang Chang, Li-Yao Chou, Joseph T. Hupp, Omar K. Farha, Kuo-Chuan Ho
Zirconium-based porphyrin metal-organic framework (MOF-525) thin films were solvothermally grown on conducting substrates; they are electrochemically addressable in aqueous media.
The content of this RSS Feed (c) The Royal Society of Chemistry

Combining silver- and organocatalysis: an enantioselective sequential catalytic approach towards pyrano-annulated pyrazoles

Chem. Commun. - 28 January, 2015 - 15:17

Chem. Commun., 2015, 51,2266-2269
DOI: 10.1039/C4CC09495F, CommunicationDaniel Hack, Pankaj Chauhan, Kristina Deckers, Yusuke Mizutani, Gerhard Raabe, Dieter Enders
A one-pot sequential bicatalytic asymmetric Michael addition/hydroalkoxylation provides a new series of pyrano-annulated enantioenriched pyrazole derivatives.
The content of this RSS Feed (c) The Royal Society of Chemistry

Organocatalytic one-pot 1,4-/1,6-/1,2-addition sequence for the stereocontrolled formation of six consecutive stereocenters

Chem. Commun. - 28 January, 2015 - 15:17

Chem. Commun., 2015, 51,2270-2272
DOI: 10.1039/C4CC09730K, CommunicationPankaj Chauhan, Suruchi Mahajan, Gerhard Raabe, Dieter Enders
A new stereoselective organocatalyzed one-pot 1,4-/1,6-/1,2-addition reaction sequentially catalyzed by low loading of a squaramide and an achiral base provide a direct entry to isoxazole bearing cyclohexanes with six contiguous stereogenic centers in good yields and excellent stereoselectivities.
The content of this RSS Feed (c) The Royal Society of Chemistry

Active site-directed proteomic probes for adenylation domains in nonribosomal peptide synthetases

Chem. Commun. - 28 January, 2015 - 15:17

Chem. Commun., 2015, 51,2262-2265
DOI: 10.1039/C4CC09412C, CommunicationSho Konno, Fumihiro Ishikawa, Takehiro Suzuki, Naoshi Dohmae, Michael D. Burkart, Hideaki Kakeya
Active site-directed proteomic probes coupled to the 5[prime or minute]-O-N-(aminoacyl)sulfamoyladenosine (AMS) scaffold with a clickable benzophenone functionality selectively target nonribosomal peptide synthetase (NRPS) adenylation (A) domains in natural product producer proteomes by ligand-directed protein labeling.
The content of this RSS Feed (c) The Royal Society of Chemistry

The enantioselective total synthesis of (+)-clusianone

Chem. Commun. - 28 January, 2015 - 15:17

Chem. Commun., 2015, 51,2259-2261
DOI: 10.1039/C4CC09701G, CommunicationFiene Horeischi, Claudia Guttroff, Bernd Plietker
(+)-Clusianone, an exo-type B PPAP with reported anti-HIV and chemoprotective activities, was synthesized in eleven steps with 97% ee starting from acetylacetone.
The content of this RSS Feed (c) The Royal Society of Chemistry

Rh(III)-catalyzed C-H activation/cyclization of benzamides and diazo compounds to form isocoumarins and [small alpha]-pyrones

Chem. Commun. - 28 January, 2015 - 15:17

Chem. Commun., 2015, 51,2380-2383
DOI: 10.1039/C4CC09314C, CommunicationXing Guang Li, Min Sun, Kai Liu, Qiao Jin, Pei Nian Liu
Rhodium-catalyzed intermolecular cyclization of benzamides and diazo compounds via C-H activation has been achieved to construct C-C/C-O bonds for the first time.
The content of this RSS Feed (c) The Royal Society of Chemistry

Asymmetric Kita spirolactonisation catalysed by anti-dimethanoanthracene-based iodoarenes

Chem. Commun. - 28 January, 2015 - 15:17

Chem. Commun., 2015, 51,2376-2379
DOI: 10.1039/C4CC09724F, CommunicationStephen J. Murray, Hasim Ibrahim
Rigid C2-symmetric anti-dimethanoanthracene-based iodoarenes at 10 mol% loading catalyse the asymmetric Kita spirolactonisation of 1-naphthols with significant levels of asymmetric induction.
The content of this RSS Feed (c) The Royal Society of Chemistry

A new class of rare earth tetrapyrrole sandwich complexes containing corrole and phthalocyanine macrocycles: synthesis, physicochemical characterization and X-ray analysis

Chem. Commun. - 28 January, 2015 - 15:17

Chem. Commun., 2015, 51,2411-2413
DOI: 10.1039/C4CC09755F, CommunicationGuifen Lu, Sen Yan, Mengying Shi, Wenhan Yu, Jing Li, Weihua Zhu, Zhongping Ou, Karl M. Kadish
The first example of a tetrapyrrole sandwich complex containing corrole macrocycle is prepared and spectroscopically, electrochemically and structurally characterized.
The content of this RSS Feed (c) The Royal Society of Chemistry

A cysteamine-selective two-photon fluorescent probe for ratiometric bioimaging

Chem. Commun. - 28 January, 2015 - 15:17

Chem. Commun., 2015, 51,2407-2410
DOI: 10.1039/C4CC09416F, CommunicationAvik R. Sarkar, Cheol Ho Heo, Eunjin Kim, Hyo Won Lee, Hardev Singh, Jeong Jin Kim, Hyuk Kang, Chulhun Kang, Hwan Myung Kim
A two-photon fluorescent probe for ratiometric imaging of cysteamine in live cells and rat brain hippocampal tissues was reported.
The content of this RSS Feed (c) The Royal Society of Chemistry

p-Phosphonic acid calix[8]arene assisted dispersion and stabilisation of pea-pod C60@multi-walled carbon nanotubes in water

Chem. Commun. - 28 January, 2015 - 15:17

Chem. Commun., 2015, 51,2399-2402
DOI: 10.1039/C4CC09368B, CommunicationXianjue Chen, Christopher T. Gibson, Joshua Britton, Paul K. Eggers, M. Haniff Wahid, Colin L. Raston
Pristine C60 and MWCNTs are non-covalently stabilised in water by p-phosphonic acid calix[8]arene, additionally with 'pea-pod' encapsulation of C60 inside the MWCNTs.
The content of this RSS Feed (c) The Royal Society of Chemistry

Metal-free Lewis acid mediated dehydrocoupling of phosphines and concurrent hydrogenation

Chem. Commun. - 28 January, 2015 - 15:17

Chem. Commun., 2015, 51,2396-2398
DOI: 10.1039/C4CC09526J, CommunicationRoman Dobrovetsky, Katsuhiko Takeuchi, Douglas W. Stephan
The stoichiometric reaction of trityl cation with two equivalents of Ph2PH affords the phosphine stabilized phosphenium salt [Ph2(H)PPPh2][B(C6F5)4] via hydride abstraction, while catalytic amounts of B(p-HC6F4)3 effects catalytic phosphine dehydrocoupling with the liberation of H2.
The content of this RSS Feed (c) The Royal Society of Chemistry

Ultrasensitive detection of nucleic acids by template enhanced hybridization followed by rolling circle amplification and catalytic hairpin assembly

Chem. Commun. - 28 January, 2015 - 15:17

Chem. Commun., 2015, 51,2392-2395
DOI: 10.1039/C4CC09453K, CommunicationWeiling Song, Qiao Zhang, Wenbo Sun
An ultrasensitive protocol for fluorescent detection of DNA is designed by combining the template enhanced hybridization process (TEHP) with Rolling Circle Amplification (RCA) and Catalytic Hairpin Assembly (CHA), showing a remarkable amplification efficiency.
The content of this RSS Feed (c) The Royal Society of Chemistry

Cu-Catalyzed cross-coupling reactions of epoxides with organoboron compounds

Chem. Commun. - 28 January, 2015 - 15:17

Chem. Commun., 2015, 51,2388-2391
DOI: 10.1039/C4CC09321F, CommunicationXiao-Yu Lu, Chu-Ting Yang, Jing-Hui Liu, Zheng-Qi Zhang, Xi Lu, Xin Lou, Bin Xiao, Yao Fu
Cu-catalyzed cross-coupling reactions of epoxides and aziridines with organoboron compounds.
The content of this RSS Feed (c) The Royal Society of Chemistry

cis-Semihydrogenation of alkynes with amine borane complexes catalyzed by gold nanoparticles under mild conditions

Chem. Commun. - 28 January, 2015 - 15:17

Chem. Commun., 2015, 51,2384-2387
DOI: 10.1039/C4CC08163C, CommunicationEleni Vasilikogiannaki, Ioannis Titilas, Georgios Vassilikogiannakis, Manolis Stratakis
Supported gold nanoparticles catalyze the semihydrogenation of alkynes to alkenes with ammonia borane or amine borane complexes in excellent yields and under mild conditions.
The content of this RSS Feed (c) The Royal Society of Chemistry

Spectrally resolved confocal microscopy using lanthanide centred near-IR emission

Chem. Commun. - 28 January, 2015 - 15:17

Chem. Commun., 2015, 51,2372-2375
DOI: 10.1039/C4CC09618E, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Zhiyu Liao, Manuel Tropiano, Konstantins Mantulnikovs, Stephen Faulkner, Tom Vosch, Thomas Just Sorensen
NIR imaging of lanthanide-coated silica particles where the photons used to generate the image unambiguously can be assigned to arise from lanthanide centred emission.
The content of this RSS Feed (c) The Royal Society of Chemistry

A fundamental study on the [([small mu ]-Cl)3Mg2(THF)6]+ dimer electrolytes for rechargeable Mg batteries

Chem. Commun. - 28 January, 2015 - 15:17

Chem. Commun., 2015, 51,2312-2315
DOI: 10.1039/C4CC07621D, CommunicationTianbiao Liu, Jonathan T. Cox, Dehong Hu, Xuchu Deng, Jianzhi Hu, Mary Y. Hu, Jie Xiao, Yuyan Shao, Keqi Tang, Jun Liu
The long sought [MgCl]+ solution species in the Mg-dimer electrolytes was characterized by soft mass spectrometry.
The content of this RSS Feed (c) The Royal Society of Chemistry

Glucose transport machinery reconstituted in cell models

Chem. Commun. - 28 January, 2015 - 15:17

Chem. Commun., 2015, 51,2316-2319
DOI: 10.1039/C4CC08838G, CommunicationJesper S. Hansen, Karin Elbing, James R. Thompson, Noah Malmstadt, Karin Lindkvist-Petersson
This work describes the very first reconstitution of a purified glucose transporter into cell models capable of reporting protein function.
The content of this RSS Feed (c) The Royal Society of Chemistry

Enantioselective gold catalyzed dearomative [2+2]-cycloaddition between indoles and allenamides

Chem. Commun. - 28 January, 2015 - 15:17

Chem. Commun., 2015, 51,2320-2323
DOI: 10.1039/C4CC08736D, CommunicationMinqiang Jia, Magda Monari, Qing-Qing Yang, Marco Bandini
The missing l(r)ink(g): a series of densely substituted 2,3-cyclobutane-fused indolines is obtained in a highly stereocontrolled manner via enantioselective [Au(I)]-catalyzed formal [2+2]-cycloaddition reactions between indoles and allenamides.
The content of this RSS Feed (c) The Royal Society of Chemistry

A long-life Na-air battery based on a soluble NaI catalyst

Chem. Commun. - 28 January, 2015 - 15:17

Chem. Commun., 2015, 51,2324-2327
DOI: 10.1039/C4CC08439J, CommunicationWen-Wen Yin, Zulipiya Shadike, Yin Yang, Fei Ding, Lin Sang, Hong Li, Zheng-Wen Fu
A Na-air battery with NaI dissolved in a typical organic electrolyte can run up to 150 cycles.
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.