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Low Overpotential in Vacancy-Rich Ultrathin CoSe2 Nanosheets for Water Oxidation

J. Am. Chem. Soc. - 22 October, 2014 - 11:41

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Journal of the American Chemical SocietyDOI: 10.1021/ja5085157

Anion carrier formation by calix[4]arene-bis-hydroxymethylphosphonic acid in bilayer membranes

Org. and Biomol. Chem. - 22 October, 2014 - 09:54

Org. Biomol. Chem., 2014, Advance Article
DOI: 10.1039/C4OB01886A, PaperOleg Ya. Shatursky, Ludmila A. Kasatkina, Roman V. Rodik, Sergiy O. Cherenok, Alexander A. Shkrabak, Tatiana O. Veklich, Tatiana A. Borisova, Sergyi O. Kosterin, Vitaly I. Kalchenko
Calix[4]arene C-99-mediated ionic transport follows mobile carrier mode of facilitated diffusion (relative permeability PCl-/PK+ [similar] 3) with the passage of 20 ions per second.
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Novel Synthesis of 5-methyl-5,10-dihydroindolo[3,2-b]indoles by Pd-catalyzed C-C and two-fold C-N coupling reactions

Org. and Biomol. Chem. - 22 October, 2014 - 09:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB01723D, PaperTran Quang Hung, Soren Hancker, Alexander Villinger, Stefan Lochbrunner, Tuan T Dang, Aleksey Friedrich, Wolfgang Breitsprecher, Peter Langer
A series of 5,10-dihydroindolo[3,2-b]indoles was successfully prepared by an efficient two-step strategy based on site-selective Pd-catalyzed cross-coupling reaction with N-methyl-2,3-dibromoindole and subsequent cyclization by two-fold Pd-catalyzed C-N coupling with amines....
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Indium-Catalyzed Intramolecular Hydroarylation of Aryl Propargyl Ethers

Org. and Biomol. Chem. - 22 October, 2014 - 09:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB02033B, PaperLorena Alonso-Maranon, M. Montserrat Martinez, Luis Sarandeses, Jose Perez Sestelo
Indium(III) halides catalyze efficiently the intramolecular hydroarylation (IMHA) of aryl propargyl ethers. The reaction proceeds regioselectively with a variety of electron-rich and electron-deficient benzenes and with terminal and internal alkynes...
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Visible light-mediated dehydrogenative [small beta]-arylsulfonylation of tertiary aliphatic amines with arylsulfonyl chlorides

Org. and Biomol. Chem. - 22 October, 2014 - 09:54

Org. Biomol. Chem., 2014, Advance Article
DOI: 10.1039/C4OB01713G, CommunicationMin Chen, Zhi-Tang Huang, Qi-Yu Zheng
[small beta]-Arylsulfonyl enamines were synthesized exclusively in E-form by the reaction of tertiary aliphatic amines with arylsulfonyl chlorides under visible light open to air with 1 mol% Ru(bpy)3(PF6)2 as the photosensor.
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Evaluation of a Focused Virtual Library of Heterobifunctional Ligands for Clostridium difficile Toxins

Org. and Biomol. Chem. - 22 October, 2014 - 09:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB01838A, PaperDavid R Bundle, Carlos A Sanhueza, Jonathan Cartmell, Amr El-Hawiet, Adam Szpacenko, Elena Kitova, Rambod Daneshfar, John Klassen, Luiz Eugenio, Kenneth Ng, Pavel I Kitov, Dean E Lang
A focused library of virtual heterobifunctional ligands was generated in silico and a set of ligands with recombined fragments was synthesized and evaluated for binding to Clostridium difficile toxins. The...
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Preparation of Cycloheptane Ring by Nucleophilic Cyclopropanation of 1,2-Diketones with Bis(iodozincio)methane

Org. and Biomol. Chem. - 22 October, 2014 - 09:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB01474J, PaperSeijiro Matsubara, Ryosuke Haraguchi, Yoshiaki Takada
We used a microflow system to study the nucleophilic cyclopropanation of hexa-1,5-diene-3,4-diones with bis(iodozincio)methane. This reaction afforded the zinc alkoxides of cis-dialkenylcylopropane-1,2-diols stereoselectively. The subsequent oxy-Cope rearrangement of cis-dialkenylcylopropane-1,2-diols afforded...
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Copper-catalysed intramolecular O-arylation: a simple and efficient method for benzoxazoles synthesis

Org. and Biomol. Chem. - 22 October, 2014 - 09:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB02068E, PaperFengtian Wu, Jie Zhang, Qianbing Wei, Ping Liu, Jianwei Xie, Haojie Jiang, Bin Dai
A wide range of 2-substituted benzoxazoles could be efficiently synthesized from the N-(2-iodo-/bromo-phenyl)benzamides, even less reactive N-(2-chlorophenyl)benzamides via Cu-catalysed intramolecular coupling cyclization using methyl 2-methoxybenzoate as the ligand under mild...
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Synthesis of Maculalactone A and Derivatives for Environmental Fate Tracking Studies

Org. and Biomol. Chem. - 22 October, 2014 - 09:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB02042A, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Samuel Bader, Michael Luscher, Karl Gademann
Maculalactone A (1) constitutes a promising antifouling agent inhibiting the formation of biofilms in marine and freshwater systems. In this study, we developed a new route based on a late-stage...
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Targeting DNA with small molecules: a comparative study of a library of azonia aromatic chromophores

Org. and Biomol. Chem. - 22 October, 2014 - 09:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB01465K, PaperJuan J. Vaquero, Rosa Suarez, Pedro Bosch, Dr. David Sucunza, Ana M. Cuadro, Alberto Domingo, Francisco Mendicuti
A library of azonia aromatic cations has been studied in order to gain an insight into the role of the size, shape and charge distribution on the fluorescence, DNA interactions...
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Copper-catalyzed regioselective synthesis of furan via tandem cycloaddition of ketone with unsaturated carboxylic acid under air

Org. and Biomol. Chem. - 22 October, 2014 - 09:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB01320D, PaperAlakananda Hajra, Monoranjan Ghosh, Subhajit Mishra, Kamarul Monir
A catalytic decarboxylative annulation has been developed for the regioselective synthesis of trisubstituted furans by the cycloaddition of ketones with [small alpha],[small beta]-unsaturated carboxylic acids under ambient air. A library of furan...
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Bronsted acid promoted addition-cyclization and C-C bond cleavage: a convenient synthesis of 2-amino-5-aroylmethylthiazoles derivatives

Org. and Biomol. Chem. - 22 October, 2014 - 09:54

Org. Biomol. Chem., 2014, Advance Article
DOI: 10.1039/C4OB01519C, PaperFan Ni, Yan Yang, Wen-Ming Shu, Jun-Rui Ma, An-Xin Wu
A Bronsted acid promoted synthesis of 2-amino-5-aroylmethylthiazoles has been developed via C-C bond cleavage reaction. The products can be easily transformed into PLTP and CETP inhibitor, and are useful precursors to access novel biheterocycles.
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Sulfinate Derivatives: Dual and Versatile Partners in Organic Synthesis

Org. and Biomol. Chem. - 22 October, 2014 - 09:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB01727G, Review Articlejessy aziz, SAMIR MESSAOUDI, Mouad Alami, abdallah hamze
Sulfinic acids and their salts have recently emerged as versatile coupling partners to efficiently access a wide variety of hetero- and carbocyclic compounds, under relatively mild conditions. Their growing importance...
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Irriversible Covalent Modification of Type I Dehydroquinase by a Stable Schiff Base

Org. and Biomol. Chem. - 22 October, 2014 - 09:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB01782J, PaperLorena Tizon, Maria Maneiro, Antonio Peon, Jose Otero, Emilio Lence, Sergio Poza, Mark J. van Raaij, Paul Thompson, Alastair R. Hawkins, Concepcion Gonzalez-Bello
The irreversible inhibition of type I dehydroquinase (DHQ1), the third enzyme of the shikimic acid pathway, has been investigated by structural, biochemical and computational studies. Two epoxides, which are mimetics...
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Improved synthesis of the super antioxidant, ergothioneine and its biosynthetic pathway intermediates.

Org. and Biomol. Chem. - 22 October, 2014 - 09:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB02023E, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Anwar Jardine, Peguy Lutete Khonde
Ergothioneine along with mycothiol, are low molecular mass redox protective thiols present in Actinomycetes, in particular mycobacteria. We report the improved chemical synthesis of ergothioneine (ESH) and biosynthetic pathway intermediates...
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Synthesis and Antifungal Activity of 1,2,3-Triazole Phenylhydrazone Derivatives

Org. and Biomol. Chem. - 22 October, 2014 - 09:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB01758G, PaperZhicheng Dai, Yongfei Chen, Mao Zhang, Shengkun Li, Tingting Yang, Li Shen, Jianxin Wang, Shao-Song Qian, Hai-Liang Zhu, Yonghao Ye
A series of 1,2,3-triazole phenylhydrazone were designed and synthesized as antifungal agents. Their structures were determined based on 1H-NMR spectroscopy, MS, elemental analysis and X-ray single-crystal diffraction. The antifungal activities...
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Stereoselective Synthesis of 1,2-Diamine Containing Indolines by a Conjugate Addition Nitro-Mannich Reaction

Org. and Biomol. Chem. - 22 October, 2014 - 09:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB01793E, PaperJ C Anderson, Ian B Campbell, Sebastien Campos, Jonathan Shannon, D A Tocher
A conjugate addition nitro-Mannich reaction followed by nitro reduction and intramolecular N-arylation gives diastereomerically pure substituted 1,2-diamine containing indolines. Placing the N-arylation cyclisation handle on the imine precursor derived from...
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Strained Olefin Enables Triflic Anhydride Mediated Direct Dehydrative Glycosylation

Org. and Biomol. Chem. - 22 October, 2014 - 09:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB01807A, CommunicationGuohua Chen, Qiang Yin, jian yin, Xiangying Gu, Xiao Liu, Qidong You, Yue-Lei Chen, Bing Xiong, Jingkang Shen
For the first time, we demonstrated that the Tf2O mediated direct dehydrative glycosylation was possible simply with strained olefins, and other typical bases were inhibitors of this reaction. We optimized...
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Correction: Non-isoprenoid polyene natural products - structures and synthetic strategies

Org. and Biomol. Chem. - 22 October, 2014 - 09:54
Org. Biomol. Chem., 2014, 12,9029-9031
DOI: 10.1039/C4OB90153C, CorrectionKatrina S. Madden, Fathia A. Mosa, Andrew Whiting
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Copper-catalysed [small alpha]-selective allylic alkylation of heteroaryllithium reagents

Org. and Biomol. Chem. - 22 October, 2014 - 09:54

Org. Biomol. Chem., 2014, Advance Article
DOI: 10.1039/C4OB01896F, CommunicationCarlos Vila, Valentin Hornillos, Martin Fananas-Mastral, Ben L. Feringa
2-Allyl-substituted thiophenes and furans are synthesised efficiently in a direct procedure using 2-heteroaryllithium reagents and allyl bromides and chlorides catalysed by ligand-free copper(I). The reactions take place under mild conditions, with excellent [small alpha]-selectivity, high functional group tolerance and good yields for the SN2 products.
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