Royal Society of Chemistry

Neutral Diiron(III) Complexes with Fe2(-E)2 (E = O, S, Se) Core Structures: Reactivity of an Iron(I) Dimer Towards Chalcogens

Dalton Transactions - 2 December, 2014 - 06:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT03081H, PaperCameron Jones, Lea Fohlmeister, Kuduva Vignesh, Florian Winter, Boujemaa Moubaraki, Gopalan Rajaraman, Rainer Poettgen, Keith S. Murray
Three neutral bis([small micro]-chalcogenido)diiron(III) complexes, [{(N,N'-Pipiso)Fe(-E)}2] (Pipiso- = [(DipN)2C(cis-2,6-Me2NC5H8)]-, (Dip = C6H3Pri2-2,6; E = O, S or Se) have been prepared by reactions of the iron(I) dimer [{([small micro]-N,N'-Pipiso)Fe}2] with O2, S8...
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Preparation of Luminescent Chemosensors by Post-Functionalization of Vesicle Surfaces

Org. and Biomol. Chem. - 1 December, 2014 - 18:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB02327G, PaperBurkhard Koenig, Andreas Mueller
Surface-reactive luminescent vesicles were prepared by self-assembly of phospholipids, amphiphilic maleimides and fluorophors in aqueous solution. Those preformed liposomes were functionalized with various thiolated receptor units using a thiol-click reaction....
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Aryl-bis-(scorpiand)-aza receptors differentiate between nucleotide monophosphates by combination of aromatic, hydrogen bond and electrostatic interactions

Org. and Biomol. Chem. - 1 December, 2014 - 18:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB02084G, PaperJorge Gonzalez, Sanja Tomic, Alberto Lopera, Lluis Guijarro, Ivo Piantanida, Enrique Garcia-Espana
Bis-polyaza pyridinophane scorpiands bind nucleotides in aqueous medium by 10-100 micromolar affinity, dominantly by electrostatic interactions between nucleotide phosphates and protonated aliphatic amines and assisted by aromatic stacking interactions. By...
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Pd-catalyzed Heck-conjoined amidation and concomitant chemoselective Michael-addition: An efficient tandem approach to highly functionalized tetrahydroquinazolines from o-haloanilines

Org. and Biomol. Chem. - 1 December, 2014 - 18:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB02286F, PaperAkhilesh K. Verma, Rakesh K Saunthwal, monika patel, abhinandan K. Danodia
An efficient palladium-catalyzed tandem approach for the synthesis of highly functionalized tetrahydroquinazolines 4a-q, and 5a-f by the reaction of o-haloanilines 1a-g with acrylates 2a-d and isothiocyanates 3aa-3ah/isocyanates 3ba-3bf via heck-conjoined...
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Tris(triazole) tripodal receptors as selective probes for citrate anion recognition and multichannel transition and heavy metal cations sensing

Org. and Biomol. Chem. - 1 December, 2014 - 18:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB02135E, PaperPedro Molina, Alberto Tarraga, Francisco Oton, Arturo Espinosa, Maria del Carmen Gonzalez
The three-armed pyrenyl-triazole receptor 1 behaves as highly selective fluorescent molecular sensor for citrate anion over similar carboxylates such as malate or tartrate. In addition, this receptor senses Cu2+ cations...
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Highly selective and sensitive detection of GSH using mesoporous silica nanoparticles capped with disulfide-containing oligo(ethylene glycol) chains

Org. and Biomol. Chem. - 1 December, 2014 - 18:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB02083A, CommunicationSameh Elsayed, Cristina Gimenez, Elena Aznar, Ramon Martinez-Manez, Felix Sancenon, Maurizio Licchelli
Mesoporous silica nanoparticles loaded with safranin O and capped with disulfide-containing oligo(ethylene glycol) chains were used for the selective and sensitive fluorimetric detection of GSH
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Synthesis and antimalarial evaluation of amide and urea derivatives based on the thiaplakortone A natural product scaffold

Org. and Biomol. Chem. - 1 December, 2014 - 18:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB01849D, PaperBrett Schwartz, Tina Skinner-Adams, Katherine T Andrews, Mark Coster, Michael Edstein, Donna MacKenzie, Susan Charman, Maria Koltun, Scott Blundell, Anna Campbell, Rebecca Pouwer, Ron Quinn, Karren Beattie, Peter C Healy, Rohan A Davis
A series of amide (8-32, 40-45) and urea (33, 34, 36-39) analogues based on the thiaplakortone A natural product scaffold were synthesised and screened for in vitro antimalarial activity against...
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Linear dialdehydes as promising substrates for aminocatalyzed transformations

Org. and Biomol. Chem. - 1 December, 2014 - 18:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB01805B, Review ArticleIndresh Kumar, Panduga Ramaraju, Nisar A. Mir, Anoop Singh
Organocatalytic domino reactions involving amine activation of carbonyl compounds have become the latest chemical technology towards the designing and development of useful synthetic methods. In this direction, linear dialdehydes such...
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Enzyme-triggered delivery of chlorambucil from conjugates based on the cell-penetrating peptide BP16

Org. and Biomol. Chem. - 1 December, 2014 - 18:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB01875C, PaperMarta Soler, Marta Gonzalez, Eduard Figueras, Xavi Ribas, Miquel Costas, Anna Massaguer, Marta Planas, Lidia Feliu
The undecapeptide KKLFKKILKKL-NH2 (BP16) is a non-toxic cell-penetrating peptide (CPP) that mainly internalizes cancer cells through a clathrin dependent endocytic mechanism and localizes in late endosomes. Moreover, this CPP is...
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Manganese triacetate as an efficient catalyst for bisperoxidation of styrenes

Org. and Biomol. Chem. - 1 December, 2014 - 18:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB01823K, PaperAlexander Olegovich Terent'ev, Mikhail Yur'evich Sharipov, Igor Krylov, Darya V. Gaidarenko, Gennady Nikishin
A method was developed for the bisperoxidation of styrenes with tert-butyl hydroperoxide in the presence of a catalytic amount of manganese(III) acetate. It was shown that compounds of manganese in...
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Investigation of end processing and degradation of premature tRNAs and their application to stabilization of in vitro transcripts in wheat germ extract

Org. and Biomol. Chem. - 1 December, 2014 - 18:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB02221A, CommunicationAtsushi Ogawa, Yasunori Doi
We investigated the end processing and degradation of premature tRNAs in wheat germ extract (WGE), which led to the discovery of end protectors useful for stabilizing an in vitro transcript...
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Divergolide Congeners Illuminate Alternative Reaction Channels for Ansamycin Diversification

Org. and Biomol. Chem. - 1 December, 2014 - 18:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB02244K, CommunicationLing Ding, Jakob Franke, Christian Hertweck
Isolation and structure elucidation of six new divergolides reveal unusual ansamycin diversification reactions including formation of the unusual isobutenyl side chain from a branched polyketide synthase extender unit, azepinone ring...
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Cu-Catalyzed arylation of amino group in the indazole ring: Regioselective synthesis of pyrazolo-carbazoles

Org. and Biomol. Chem. - 1 December, 2014 - 18:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB02044H, PaperK AnilKumar, Prakash Kannaboina, Devendra Kumar Dhaked, Ram A Vishwakarma, Prasad. V. Bharatam, Parthasarathi Das
Cu (II)-Catalyzed cross-coupling of various aryl boronic acids with 5 and 6-amino indazoles has resulted the (arylamino)-indazoles. These resulted (arylamino)-indazoles have been utilized in synthesizing medicinally important pyrazole fused-carbazoles via...
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Using Hansen solubility parameters to study the encapsulation of caffeine in MOFs

Org. and Biomol. Chem. - 1 December, 2014 - 18:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB01898B, PaperLorena Paseta, Gregory Potier, Steven Abbott, Joaquin Coronas
Hansen solubility parameters (HSP) have found their greatest use in the evaluation of solvent-polymer chemical interactions. Given their great interest in the scientific community, host-guest interactions in metal-organic frameworks (MOFs),...
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Probing the target-specific inhibition of sensitized protein tyrosine phosphatases with biarsenical probes

Org. and Biomol. Chem. - 1 December, 2014 - 18:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB02256D, PaperAdam Pomorski, Justyna Adamczyk, Anthony Bishop, Artur Krezel
Selective control of enzyme activity is critical for elucidating the roles of specific proteins in signaling pathways. One potential means for developing truly target-specific inhibitors involves the use of protein...
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Unraveling the contributions of hydrogen-bonding interactions to the activity of native and non-native ligands in the quorum-sensing receptor LasR

Org. and Biomol. Chem. - 1 December, 2014 - 18:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB02252A, PaperJoseph P. Gerdt, Christine E. McInnis, Trevor L. Schell, Helen E. Blackwell
Quorum sensing (QS) via the synthesis and detection of N-acyl L-homoserine lactone (AHL) signals regulates important pathogenic and mutualistic phenotypes in many bacteria. Over the past two decades, the development...
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Reactivity of aldehydes at the Air-Water Interface. Insights from molecular dynamics simulations and ab initio calculations.

Org. and Biomol. Chem. - 1 December, 2014 - 18:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB02029D, PaperMarilia T.C. Martins-Costa, Francisco F. Garcia-Prieto, Manuel F. Ruiz-Lopez
Understanding the influence of solute-solvent interactions on chemical reactivity has been a subject of intense research in the last decades. Theoretical studies have focused on bulk solvation phenomena and a...
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Vertically-expanded imidazo[1,2-a]pyridines and imidazo[1,5-a]pyridine via dehydrogenative coupling

Org. and Biomol. Chem. - 1 December, 2014 - 18:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB02383H, PaperDaniel Gryko, Marzena Banasiewicz, Dikhi Firmansyah
Anion-radical coupling of structurally diverse series of aromatic compounds possessing biaryl linkages led to seven fused, polycyclic heterocycles in reasonable yields. The yield of the key step (K, toluene, O2)...
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Domino Reaction Involving the Bestmann-Ohira Reagent and [small alpha],[small beta]-Unsaturated Aldehydes: Efficient Synthesis of functionalized pyrazoles

Org. and Biomol. Chem. - 1 December, 2014 - 18:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB02365J, PaperShakir Ahamad, Ashis Kumar Gupta, Ruchir Kant, Kishor Mohanan
A mild, efficient and rapid domino reaction involving the Bestmann-Ohira reagent (BOR) and [small alpha],[small beta]-unsaturated aldehydes has been developed for the synthesis of densely functionalized vinylpyrazoles. This reaction demonstrates the dual...
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Regioselective synthesis, antimicrobial evaluation and theoretical studies of 2-styryl quinolines

Org. and Biomol. Chem. - 1 December, 2014 - 18:54
Org. Biomol. Chem., 2014, Accepted Manuscript
DOI: 10.1039/C4OB02277G, PaperAhmed Kamal, Rahim Abdul, Sd Riyaz, Poornachandra Y, Balakrishna Moku, Ganesh Kumar C., Ali S. M. Hussaini, Sridhar Balasubramanian, Pavan Kumar Machiraju
2-Styryl quinolines (9a-l) have been synthesized regioselectively from 2-methyl-quinoline by using NaOAc in water acetic acid binary solvents and evaluated for their antibacterial activity against both Gram-positive and Gram-negative strains....
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