Royal Society of Chemistry

Construction of an enterobactin analogue with symmetrically arranged monomer subunits of ferritin

Chem. Commun. - 11 November, 2015 - 11:54

Chem. Commun., 2015, 51,16609-16612
DOI: 10.1039/C5CC06904A, CommunicationHiroshi Nakajima, Mio Kondo, Taiki Nakane, Satoshi Abe, Takahiro Nakao, Yoshihito Watanabe, Takafumi Ueno
The symmetric arrangement of ferritin subunits served as a versatile foundation to produce a symmetric coordination space with designed ligands.
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Sonochemical degradation of N-methylpyrrolidone and its influence on single walled carbon nanotube dispersion

Chem. Commun. - 11 November, 2015 - 11:54

Chem. Commun., 2015, 51,16621-16624
DOI: 10.1039/C5CC06526G, CommunicationHin Chun Yau, Mustafa K. Bayazit, Joachim H. G. Steinke, Milo S. P. Shaffer
During sonication, NMP degrades to form organic nanoparticles, likely to contaminate SWNT and other nanomaterial dispersions.
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Structural flexibility in crystallized matter: from history to applications

Dalton Transactions - 10 November, 2015 - 19:54

Dalton Trans., 2016, Advance Article
DOI: 10.1039/C5DT03547C, PerspectiveGerard Ferey
The large reversible flexibility of hybrid crystallized matter is relatively new.
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Synthesis and stabilization of a hypothetical porous framework based on a classic flexible metal carboxylate cluster

Dalton Transactions - 10 November, 2015 - 19:54
Dalton Trans., 2015, Accepted Manuscript
DOI: 10.1039/C5DT03478G, PaperYong-Sheng Wei, Jian-Qiang Shen, Pei-Qin Liao, Wei Xue, Jie-Peng Zhang, Xiao-Ming Chen
By using pyridyl derivatives 4-cyanopyridine (4-pyCN) or nicotinate (na-) as terminal ligands (LT) to decorate the flexible trigonal-prismatic trinuclear metal carboxylate M3([small mu ]3-O/[small mu ]3-OH)(RCOO)6(LT)3 clusters, a theoretically predicted uninodal 6-connected flu-e network...
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A Comparison of the Amorphization of Zeolitic Imidazolate Frameworks (ZIFs) and Aluminosilicate Zeolites by Ball-milling

Dalton Transactions - 10 November, 2015 - 19:54
Dalton Trans., 2015, Accepted Manuscript
DOI: 10.1039/C5DT03477A, PaperEmma Baxter, Thomas Douglas Bennett, Andrew B Cairns, Nick J. Brownbill, Andrew Goodwin, David A. Keen, Philip A Chater, Frederic Blanc, Tony Cheetham
X-ray diffraction has been used to investigate the kinetics of amorphization through ball-milling at 20 Hz, for five zeolitic imidazolate frameworks (ZIFs) - ZIF-8, ZIF-4, ZIF-zni, BIF-1-Li and CdIF-1. We...
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Tuning Different Kinds of Entangled Metal-organic Frameworks through Modifying the Spacer Group of Aliphatic Dicarboxylate Ligands and Reactant Ratio

Dalton Transactions - 10 November, 2015 - 19:54
Dalton Trans., 2015, Accepted Manuscript
DOI: 10.1039/C5DT03731J, PaperJin-Xia Yang, Ji-Quan Zhai, Ye-Yan Qin, Xin Zhang, Yuan-Gen Yao
Taking advantage of the conformational flexibility of the bpp ligand and aliphatic dicarboxylic acids, six interesting entangled coordination polymers, {[Cd(fum)(bpp)(H2O)][round bullet, filled](H2O)}n (1), {[Cd(fum)(bpp)2][round bullet, filled](H2O)5}n (2), {[Cd2(suc)1.5(bpp)2(NO3)(H2O)2][round bullet, filled]6H2O}n (3), {[Cd(suc)(bpp)2][round bullet, filled](H2O)1.5}n (4), {[Cd2(glu)2(bpp)3][round bullet, filled]10H2O}n (5), {Cd(adp)(bpp)(H2O)}n...
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Phosphidoboratabenzene-rhodium(I) complexes as precatalysts for the hydrogenation of alkenes at room temperature and atmospheric pressure

Dalton Transactions - 10 November, 2015 - 19:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT03109E, PaperViridiana Perez, Pierre Audet, Wenhua Bi, Frederic-Georges Fontaine
The synthesis and characterization of a phosphido-boratabenzene rhodium complex is reported. The species acts as a precatalyst for the hydrogenation of alkenes at room temperature and atmospheric pressure.
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Molecular Construction of HIV-gp120 Discontinuous Epitope Mimics by Assembly of Cyclic Peptides on an Orthogonal Alkyne functionalized TAC-scaffold

Org. and Biomol. Chem. - 10 November, 2015 - 05:54
Org. Biomol. Chem., 2015, Accepted Manuscript
DOI: 10.1039/C5OB02014J, PaperPaul Werkhoven, Moheb Elwakiel, Tom Meuleman, Linda Quarles van Ufford, John kruijtzer, R M J Liskamp
Mimics of discontinuous epitopes of for example bacterial or viral proteins may have considerable potentialfor the development of synthetic vaccines, especially if conserved epitopes can be mimicked. However, due to...
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Flexible Synthesis of Polyfunctionalised 3-Fluoropyrroles

Org. and Biomol. Chem. - 10 November, 2015 - 05:54
Org. Biomol. Chem., 2015, Accepted Manuscript
DOI: 10.1039/C5OB02155C, PaperTom Cogswell, Craig Donald, Rudi Marquez
An efficient and selective approach for the synthesis of polyfunctionalised 3-fluoropyrroles has been developed. The methodology is concise, efficient and allows for the systematic assembly of modular substituents onto a...
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Rhodium(III)-catalyzed C-C coupling of 7-azaindoles with vinyl acetates and allyl acetates

Org. and Biomol. Chem. - 10 November, 2015 - 05:54
Org. Biomol. Chem., 2015, Accepted Manuscript
DOI: 10.1039/C5OB02096D, PaperLin Dong, Shuai-Shuai Li, Cheng-Qi Wang, Hui Lin, Xiao-Mei Zhang
The behaviour of electron-rich alkenes with 7-azaindoles in rhodium(III)-catalyzed C-H activation is investigated. Various substituted vinyl acetates and allyl acetates as coupling partners reacted smoothly providing a wide variety of...
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Automated Glycan Assembly of Xyloglucan Oligosaccharides

Org. and Biomol. Chem. - 10 November, 2015 - 05:54
Org. Biomol. Chem., 2015, Accepted Manuscript
DOI: 10.1039/C5OB02226F, PaperPietro Dallabernardina, Frank Schuhmacher, Peter Seeberger, Fabian Pfrengle
We report the automated glycan assembly of oligosaccharide fragments related to the hemicellulose xyloglucan (XG). Iterative addition of monosaccharide and disaccharide building blocks to a solid support provided seven cellulose...
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Iron-Catalyzed Transfer Hydrogenation of Imine Assisted by Iron-Based Lewis Acid

Org. and Biomol. Chem. - 10 November, 2015 - 05:54
Org. Biomol. Chem., 2015, Accepted Manuscript
DOI: 10.1039/C5OB02119G, CommunicationHui-Jie Pan, Teng Wei Ng, Yu Zhao
An Iron-catalyzed transfer hydrogenation of N-Aryl and N-Alkyl imines using isopropanol as the hydrogen donor is reported for the first time. A combination of two iron complexes serving different roles...
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Design, Synthesis and Evaluation of N-Aryl-Glyoxamide Derivatives as Structurally Novel Bacterial Quorum Sensing Inhibitors

Org. and Biomol. Chem. - 10 November, 2015 - 05:54
Org. Biomol. Chem., 2015, Accepted Manuscript
DOI: 10.1039/C5OB01973G, PaperShashidhar Nizalapur, Onder Kimyon, Nripendra Biswas, Christopher Gardner, A/Prof Renate Griffith, Scott Rice, Mike Manefield, Mark D. P. Willcox, David StClair Black, Naresh Kumar
Bacteria cooperatively regulate the expression of many phenotypes through a mechanism called quorum sensing (QS). Many Gram-negative bacteria use an N-acyl homoserine lactone (AHL)-mediated QS system to control biofilm formation...
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Synthesis of (E)-Oxindolylidene Acetate using Tandem Palladium-Catalyzed Heck and Alkoxycarbonylation Reactions

Org. and Biomol. Chem. - 10 November, 2015 - 05:54
Org. Biomol. Chem., 2015, Accepted Manuscript
DOI: 10.1039/C5OB01863C, PaperWei-Jen Lin, Kak-Shan Shia, Jen-Shin Song, Ming-Hsien Wu, Wen-Tai Li
Tandem reactions use consecutive reaction steps to efficiently synthesize compounds of high molecular complexity. This paper presents a tandem Pd-catalyzed Heck and alkoxycarbonylation reaction for the stereoselective synthesis of (E)-oxindolylidene...
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Metal-free Bronsted acid mediated synthesis of fully substituted thiophenes via chemo- and regioselective intramolecular cyclization of [small alpha],[small alpha][prime or minute]-bis([small beta]-oxodithioesters) at room temperature

Org. and Biomol. Chem. - 10 November, 2015 - 05:54
Org. Biomol. Chem., 2015, Accepted Manuscript
DOI: 10.1039/C5OB02081F, CommunicationMAYA SHANKAR SINGH, B. Janaki Ramulu, Suvajit Koley
Metal-free para-toluenesulfonic acid mediated straightforward synthesis of hitherto unreported tetrasubstituted thiophenes has been achieved in quantitative yields by chemo- and regioselective dehydrative cyclization of [small alpha],[small alpha][prime or minute]-bis([small beta]-oxodithioesters) at room temperature. Notably, the...
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Phosphinic Acid-Promoted Addition Reaction of Isocyanides to (Z)-Hydroximoyl Chlorides: Efficient Synthesis of [small alpha]-(Hydroxyimino)amides

Org. and Biomol. Chem. - 10 November, 2015 - 05:54
Org. Biomol. Chem., 2015, Accepted Manuscript
DOI: 10.1039/C5OB02032H, PaperTakahiro Soeta, Suguru Takashita, Yoko Sakata, Yutaka Ukaji
The reaction of (Z)-hydroximoyl chlorides with isocyanides promoted by phosphinic acid in the presence of triethylamine proceeds smoothly to afford [small alpha]-(hydroxyimino)amides in good to high yields. Phosphinic acid plays an...
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Synthesis and antibiotic activity of oxazolidinone-catechol conjugates against Pseudomonas aeruginosa

Org. and Biomol. Chem. - 10 November, 2015 - 05:54

Org. Biomol. Chem., 2016, Advance Article
DOI: 10.1039/C5OB01859E, PaperAurelie Paulen, Veronique Gasser, Francoise Hoegy, Quentin Perraud, Benedicte Pesset, Isabelle J. Schalk, Gaetan L. A. Mislin
An oxazolidinone antibiotic, conjugated to a catechol moiety, was shown to be at least eight times more active against P. aeruginosa, when compared to the linezolid, used as a reference compound.
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Fluorinated porphyrinoids as efficient platforms for new photonic materials, sensors, and therapeutics

Org. and Biomol. Chem. - 10 November, 2015 - 05:54

Org. Biomol. Chem., 2015, Advance Article
DOI: 10.1039/C5OB01839K, Review ArticleN. V. S. Dinesh K. Bhupathiraju, Waqar Rizvi, James D. Batteas, Charles Michael Drain
Porphyrinoids are robust heterocyclic dyes studied extensively for their applications in medicine and as photonic materials because of their tunable photophysical properties, diverse means of modifying the periphery, and the ability to chelate most transition metals.
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Synthetic multivalency for biological applications

Org. and Biomol. Chem. - 10 November, 2015 - 05:54

Org. Biomol. Chem., 2015, 13,10590-10599
DOI: 10.1039/C5OB01357G, Review ArticleEugene Mahon, Mihail Barboiu
Current directions and emerging possibilities under investigation for the integration of synthetic and semi-synthetic multivalent architectures with biology are discussed. Attention is focussed around multivalent interactions, their fundamental role in biology, and approaches in emulating them in terms of structure and functionality using synthetic architectures.
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Catalytic enantioselective addition of isocyanoacetate to 3-methyl-4-nitro-5-styrylisoxazoles under phase transfer catalysis conditions

Org. and Biomol. Chem. - 10 November, 2015 - 05:54

Org. Biomol. Chem., 2015, 13,10609-10612
DOI: 10.1039/C5OB01880C, CommunicationPaolo Disetti, Maria Moccia, Diana Salazar Illera, Surisetti Suresh, Mauro F. A. Adamo
The reaction between 3-methyl-4-nitro-5-styrylisoxazoles and ethyl isocyanoacetate proceeded under PTC to give enantioenriched monoadducts in high ee (up to 99%).
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