Dalton Transactions

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Syntheses of Polypyridyl Metal Complexes and Studies of their Interaction with Quadruplex DNA

20 October, 2014 - 19:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02910K, PaperVerity S Stafford, Kogularamanan Suntharalingam, Arun Shivalingam, Andrew J P White, David J Mann, Ramon Vilar
A series of mono- and bi-metallic metal complexes (with CuII, PtII and ZnII) with substituted polypyridyl ligands have been prepared and their binding affinities towards quadruplex (c-Myc and human telomeric)...
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Main-group catalysed reduction of unsaturated bonds

20 October, 2014 - 19:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02024C, PerspectiveKseniya Revunova, Georgii I. Nikonov
This Perspective highlights the recent developments in the reduction of unsaturated substrates catalysed by main-group element compounds. Various activation modes are discussed and comparison with relevant examples from transition metal...
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A heterotrimetallic Ir(III), Au(III) and Pt(II) complex incorporating cyclometallating bi- and tridentate ligands: simultaneous emission from different luminescent metal centres leads to broad-band light emission

20 October, 2014 - 19:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT02761B, PaperRebeca Munoz-Rodriguez, Elena Bunuel, Noelia Fuentes, J. A. Gareth Williams, Diego J. Cardenas
Di- and tri-nuclear metal complexes incorporating Au(III), Ir(III) and Pt(II) units linked via a 1,3,5-triethynylbenzene core.
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Recent developments in out-of-plane metallocorrole chemistry across the periodic table

20 October, 2014 - 19:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02277G, FrontierHeather L. Buckley, John Arnold
This article presents a brief review of recent developments in metallocorrole chemistry, with a focus on species with significant displacement of the metal from the N4 plane of the corrole ring.
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Intercalation of triethylphosphine oxide bearing a phosphoryl group into Dion-Jacobson-type ion-exchangeable layered perovskites

20 October, 2014 - 19:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02230K, PaperNagisa Toihara, Yoriyoshi Yoneyama, Akira Shimada, Seiichi Tahara, Yoshiyuki Sugahara
Triethylphosphine oxide [(C2H5)3P[double bond, length as m-dash]O; TEPO] was intercalated into protonated Dion-Jacobson-type ion-exchangeable layered perovskites, HLaNb2O7[middle dot]xH2O and HCa2Nb3O10[middle dot]xH2O, by hydrolysis of their n-decoxy derivatives in the presence of TEPO.
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Synthesis, characterization and biomolecule-binding properties of novel tetra-platinum(II)-thiopyridylporphyrins

20 October, 2014 - 19:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02697G, PaperLeandro Lourenco, Bernardo Almeida Iglesias, Patrica Pereira, Henrique Girao, Rosa Fernandes, Graca Neves, J A S Cavaleiro, Joao Tome
The new complexes tetra-platinum(II)-thiopyridylporphyrin 3 and tetra-platinum(II)-thiopyridylporphyrinato Zn(II) 4 were obtained by coordination of the peripheral thiopyridyl units of the free-base 5,10,15,20-tetrakis[2,3,5,6-tetrafluoro-4-(4-pyridylsulfanyl)phenyl]porphyrin 1 or their corresponding zinc complex 2, respectively,...
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Enhancing [sigma]/[small pi]-type Copper(I)[round bullet, filled][round bullet, filled][round bullet, filled]thiophene interactions by metal doping (metal = Li, Na, K, Ca, Sc)

20 October, 2014 - 19:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02286F, PaperXiayan Zhang, Xiaoyan Li, Yanli Zeng, Zheng Sun, Lingpeng Meng
The influence of metal doping on [sigma]/[small pi]-type copper(I)[round bullet, filled][round bullet, filled][round bullet, filled]thiophene interactions and the nature of Cu[round bullet, filled][round bullet, filled][round bullet, filled][small pi]/S bonding have been investigated. Our calculated results show that Li, Na, K, Ca and Sc atom...
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Synthesis and characterisation of lanthanide-hydroporphyrin dyads

20 October, 2014 - 19:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02448F, PaperRuisheng Xiong, Julien Andres, Kira Scheffler, Eszter Borbas
Fluorescence spectroscopy is in many ways the ideal tool for the interrogation of complex biological systems, as it is non-invasive, sensitive, and offers high spatiotemporal resolution. For biomedical imaging luminescent...
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Synthesis and photoelectric properties of new Dawson-type polyoxometalate-based dimeric and oligomeric Pt(II)-acetylide inorganic-organic hybrids

20 October, 2014 - 19:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02504K, PaperWai-Yeung (Raymond) Wong, Li Liu, Lei Hu, Qian Liu, Zuliang Du, Fabao Li, Guanghua Li, Xunjin Zhu, Lei Wang, Hua Li
A new synthesis route for preparing Dawson-type polyoxometalate (POM) based inorganic-organic hybrid material is presented. Two new heteropolytungstate-based dimeric and oligomeric Pt(II) acetylide inorganic-organic hybrid compounds (2PtOD and PPtOD) were...
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Fragmentation pathways analysis for the gas phase dissociation of protonated carnosine-oxaliplatin complexes

20 October, 2014 - 19:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02217C, PaperIda Ritacco, Eslam M. Moustafa, Emilia Sicilia, Nino Russo, Tamer Shoeib
Collision-induced dissociation (CID) experiments on the protonated carnosine-oxaliplatin complex were shown to yield nine different fragment ions. Density functional calculations were employed to probe the fragmentation mechanisms that account for all experimental data.
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Sonochemical redox reactions of Pu(III) and Pu(IV) in aqueous nitric solutions

20 October, 2014 - 19:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT02330G, PaperMatthieu Virot, Laurent Venault, Philippe Moisy, Sergey I. Nikitenko
The 20 kHz sonication of aqueous nitric solutions generates active species which can further react with Pu(IV) and Pu(III) ions.
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P,C-Bond Cleavage in the Ligand Sphere of a Nickel(II) Complex

20 October, 2014 - 19:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02158D, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Simon P. Walg, Alexandra Dagmar Schmidt, Markus Schmitz, Saeid Farsadpour, Johannes Lang, Mark Niebergall, Yu Sun, Hans-Jorg Krueger, Peter Roesky, Gereon Niedner-Schatteburg, Werner R Thiel
Reacting nickel(II)perchlorate with a bidentate P,N-ligand in methanol leads to P,C-bond cleavage and gives a five-coordinate nickel complex wherein the nickel(II) site is coordinated by a tridentate P,N,P-ligand and a...
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Water-exchange rates of lanthanide ions in an ionic liquid

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16156-16159
DOI: 10.1039/C4DT02492C, CommunicationZhijin Lin, Megan L. Shelby, Dugan Hayes, Kelly A. Fransted, Lin X. Chen, Matthew J. Allen
The first ligand-exchange rate measurements of lanthanide ions in an ionic liquid are reported here.
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Synthesis and structures of bis-ligated zinc complexes supported by tridentate ketoimines that initiate L-lactide polymerization

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16498-16508
DOI: 10.1039/C4DT01607F, PaperKimberly A. Gerling, Nomaan M. Rezayee, Arnold L. Rheingold, David B. Green, Joseph M. Fritsch
Eight bis-ligated, homoleptic, zinc complexes were synthesized through the reaction of NNO Schiff base ketoimines bearing varying substituents with diethyl zinc in an inert atmosphere glovebox at room temperature and isolated in 62-95% yield.
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Copper(I)-assisted red-shifted phosphorescence in Au(I)Cu(I) heteropolynuclear complexes

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16486-16497
DOI: 10.1039/C4DT02154A, PaperVincent J. Catalano, Jose M. Lopez-de-Luzuriaga, Miguel Monge, M. Elena Olmos, David Pascual
The introduction of a copper(I) center into a gold(I) precursor with P,N-donor ligands leads to a large red-shift of the emissions in the solid state. Theoretical calculations reveal the nature of the emissive states.
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Oxido-molybdenum complexes obtained by Cl/O interchange between MoCl5 and carboxylic acids: a crystallographic, spectroscopic and computational study

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16416-16423
DOI: 10.1039/C4DT02201G, PaperMarco Bortoluzzi, Fabio Marchetti, Guido Pampaloni, Stefano Zacchini
The reactivity of MoCl5 with carboxylic acids has been elucidated for the first time. The reactions are featured by the chlorinating behaviour of MoCl5, rather than affording the respective carboxylato complexes.
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Structural limitations for optimizing garnet-type solid electrolytes: a perspective

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16133-16138
DOI: 10.1039/C4DT02162B, PerspectiveWolfgang G. Zeier
Structural limitations in the family of lithium conducting garnets lead to optimum structural parameters and a maximum attainable conductivity.
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Discrete and polymeric Cu(II) complexes featuring substituted indazole ligands: their synthesis and structural chemistry

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16450-16458
DOI: 10.1039/C4DT02428A, PaperChris S. Hawes, Paul E. Kruger
Four substituted indazole ligands have been prepared and reacted with Cu(II) ions to give a range of discrete and polymeric supramolecular architectures, which showcase the surprising and powerful structural versatility of this uncommon heterocyclic building block.
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Bis-tetradentate complexes of Cd(II) and Hg(II) with N8 coordination: structural and NMR comparisons

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16475-16485
DOI: 10.1039/C4DT02435D, PaperEdith V. Bowers, Geoffrey S. Murphy, Stephanie N. Till, Christopher J. VandenBussche, Melissa M. Yaroschak, Robert D. Pike, Raymond J. Butcher, Deborah C. Bebout
Bis-tripodal N4 chelate Cd(II) complexes underwent slow intramolecular isomerization on the [small delta]H time scale and Hg(II) complexes had unusually large long range J(199Hg1H).
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Addition of C-C and C-H bonds by pincer-iridium complexes: a combined experimental and computational study

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16354-16365
DOI: 10.1039/C4DT02043J, PaperDavid A. Laviska, Changjian Guan, Thomas J. Emge, Miles Wilklow-Marnell, William W. Brennessel, William D. Jones, Karsten Krogh-Jespersen, Alan S. Goldman
Oxidative addition of the strained biphenylene C-C bond proceeds via a transition state wherein the biphenylene unit is severely "tilted".
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