Dalton Transactions

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Heterocyclic substituted methanides as promising alternatives to the ubiquitous nacnac ligand

16 September, 2014 - 11:17

Dalton Trans., 2014, 43,14432-14439
DOI: 10.1039/C4DT01008F, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.David-R. Dauer, Dietmar Stalke
A series of group 13 complexes containing deprotonated bisheterocyclomethanes have been prepared as well as structurally and spectroscopically characterised.
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"The Great Beauty" of organolithium chemistry: a land still worth exploring

16 September, 2014 - 11:17

Dalton Trans., 2014, 43,14204-14210
DOI: 10.1039/C4DT01004C, FrontierVito Capriati, Filippo M. Perna, Antonio Salomone
This Frontier highlights and analyses, from the authors' perspective, some recent selected contributions from the organolithium field with an eye towards new challenging research directions.
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New supramolecular assemblies in heterobimetallic chemistry: synthesis of a homologous series of unsolvated alkali-metal zincates

16 September, 2014 - 11:17

Dalton Trans., 2014, 43,14229-14238
DOI: 10.1039/C4DT01131G, PaperDavid R. Armstrong, Helena S. Emerson, Alberto Hernan-Gomez, Alan R. Kennedy, Eva Hevia
Exhibiting unprecedented supramolecular assemblies, made up exclusively of metal-carbon interactions, the structures of a homologous series of solvent-free alkali-metal zincates have been uncovered.
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Catalytic bond forming reactions promoted by amidinate, guanidinate and phosphaguanidinate compounds of magnesium

16 September, 2014 - 11:17

Dalton Trans., 2014, 43,14302-14314
DOI: 10.1039/C4DT01097C, PaperRyan J. Schwamm, Benjamin M. Day, Natalie E. Mansfield, William Knowelden, Peter B. Hitchcock, Martyn P. Coles
Magnesium compounds supported by N,N'-chelating ligands are shown to be active (pre)catalysts for a number of catalytic bond forming reactions.
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Crown ether adducts of light alkali metal triphenylsilyls: synthesis, structure and hydrosilylation catalysis

16 September, 2014 - 11:17

Dalton Trans., 2014, 43,14315-14321
DOI: 10.1039/C4DT00916A, PaperValeri Leich, Kevin Lamberts, Thomas P. Spaniol, Jun Okuda
Alkali metal triphenylsilyls [Li(12-crown-4)SiPh3][middle dot](thf)0.5, [Na(15-crown-5)SiPh3][middle dot](thf)0.5 and [K(18-crown-6)SiPh3(thf)] were synthesized using 1,1,1-trimethyl-2,2,2-triphenyldisilane and shown to catalyze the regioselective hydrosilylation of 1,1-diphenylethene.
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Understanding the directed ortho lithiation of (R)-Ph2P([double bond, length as m-dash]NCO2Me)NHCH(Me)Ph. NMR spectroscopic and computational study of the structure of the N-lithiated species

16 September, 2014 - 11:17

Dalton Trans., 2014, 43,14291-14301
DOI: 10.1039/C4DT00927D, PaperM. Casimiro, J. Garcia-Lopez, M. J. Iglesias, F. Lopez-Ortiz
The multinuclear magnetic resonance and computational study of the structure of N-lithium (R)-Ph2P([double bond, length as m-dash]NCO2Me)NHCH(Me)Ph revealed the origin of its diastereoselective ortho lithiation.
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50 years of Chemistry at York

14 September, 2014 - 10:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT90098G, EditorialRichard Taylor
Celebrating 50 years of Chemistry at University of York.
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Azobenzene-functionalized iridium(III) triscyclometalated complexes

10 September, 2014 - 09:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02018A, PaperJ. Perez-Miqueo, A. Telleria, M. Munoz-Olasagasti, A. Altube, E. Garcia-Lecina, A. de Cozar, Z. Freixa
Photochromic triscyclometalated iridium(III) organometallic complexes based on azobenzene-containing phenylpyridyl-type ligands.
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Enhanced association for C70 over C60 with a metal complex with corannulene derivate ligands

10 September, 2014 - 09:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02078B, CommunicationCeledonio M. Alvarez, Luis A. Garcia-Escudero, Raul Garcia-Rodriguez, Jose M. Martin-Alvarez, Daniel Miguel, Victor M. Rayon
The geometry imposed by the coordination sphere around the metal, together with the choice of the "arms" can be advantageously used to build corannulene-based molecular tweezers, which show great affinities for C60 and C70, as revealed by NMR titration experiments.
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Efficient halogen photoelimination from dibromo, dichloro and difluoro tellurophenes

4 September, 2014 - 08:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01751J, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Elisa I. Carrera, Dwight S. Seferos
Visible light induces photoreductive elimination of bromine, chlorine, and for the first time, fluorine from the tellurium center of 2,5-diphenyltellurophene.
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A new library of arsine, stibine-stabilized N-heterocyclic carbene palladium complexes: synthesis, structures and activities in C-C and C-N coupling reactions

4 September, 2014 - 08:17

Dalton Trans., 2014, 43,14114-14122
DOI: 10.1039/C4DT01773K, PaperJin Yang, Pinhua Li, Yicheng Zhang, Lei Wang
A series of N-heterocyclic carbene palladium complexes bearing AsPh3 and SbPh3 functions was synthesized and characterized. Furthermore, the catalytic activities of the complexes in the C-C and C-N coupling reactions were also investigated.
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Synthesis and structures of tris(2-pyridyl)aluminate sandwich compounds [{RAl(2-py[prime or minute])2}2M] (py[prime or minute] = 2-pyridyl, M = Ca, Mn, Fe)

4 September, 2014 - 08:17

Dalton Trans., 2014, 43,14045-14053
DOI: 10.1039/C4DT00951G, PaperRaul Garcia-Rodriguez, Thomas H. Bullock, Mary McPartlin, Dominic S. Wright
While neither the bridgehead group (R) nor remote ring Me-groups have any impact on metal coordination of tris(2-pyridyl) aluminate ligands [RAl(2-py[prime or minute])3]-, Me groups adjacent to the donor pyridyl-N atoms have a large effect on their ability to form sandwich arrangements.
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Synthesis and structural characterization of tris(2-mercapto-1-methylbenzimidazolyl)hydroborato cadmium halide complexes, {[TmMeBenz]Cd([small mu ]-Cl)}2 and [TmMeBenz]CdI: a rare example of cadmium in a trigonal bipyramidal sulfur-rich coordination envir

4 September, 2014 - 08:17

Dalton Trans., 2014, 43,13874-13882
DOI: 10.1039/C4DT01820F, PaperJoshua H. Palmer, Gerard Parkin
Whereas [TmMeBenz]CdI is a monomer akin to all other Group 12 [TmR]MX derivatives, the chloride complex, {[TmMeBenz]Cd([small mu ]-Cl)}2, exists as a dimer with Cl bridges.
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Silver ion enhanced C-H activation in Pt(II) hydroxo complexes

4 September, 2014 - 08:17

Dalton Trans., 2014, 43,13858-13864
DOI: 10.1039/C4DT01934B, PaperTracy L. Lohr, Warren E. Piers, Michael J. Sgro, Masood Parvez
Addition of stoichiometric Ag(I) salt to monomeric Pt(II) hydroxo complexes supported by a bulky diimine ligand results in significantly enhanced rates of C-H activation relative to the silver free systems.
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Assignment of the oxidation states of Zr and Co in a highly reactive heterobimetallic Zr/Co complex using X-ray absorption spectroscopy (XANES)

4 September, 2014 - 08:17

Dalton Trans., 2014, 43,13852-13857
DOI: 10.1039/C4DT01534G, PaperJeremy P. Krogman, James R. Gallagher, Guanghui Zhang, Adam S. Hock, Jeffrey T. Miller, Christine M. Thomas
The ambiguous oxidation states in a highly reactive heterobimetallic Zr/Co complex have been assigned using XANES Co and Zr K-edge data and confirmed using computational methods.
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3D reconstruction of atomic structures from high angle annular dark field (HAADF) STEM images and its application on zeolite silicalite-1

2 September, 2014 - 07:54

Dalton Trans., 2014, 43,14158-14163
DOI: 10.1039/C4DT01904K, PaperTom Willhammar, Alvaro Mayoral, Xiaodong Zou
The 3D atomic structure of silicalite-1 has been reconstructed for the first time by combining three high resolution HAADF-STEM images.
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Crystal lattice effect on the quenching of the intracluster magnetic interaction in [V12B18O60H6]10- polyoxometalate

2 September, 2014 - 07:54

Dalton Trans., 2014, 43,14132-14141
DOI: 10.1039/C4DT01561D, PaperPatricio Hermosilla-Ibanez, Walter Canon-Mancisidor, Juan Costamagna, Andres Vega, Veronica Paredes-Garcia, Maria Teresa Garland, Eric Le Fur, Olivier Cador, Evgenia Spodine, Diego Venegas-Yazigi
Quenching effect of the intracluster antiferromagnetic coupling by alkaline ions of the crystalline packing.
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Synergetic effect of Zn substitution on the electron and phonon transport in Mg2Si0.5Sn0.5-based thermoelectric materials

2 September, 2014 - 07:54

Dalton Trans., 2014, 43,14072-14078
DOI: 10.1039/C4DT01734J, PaperHongli Gao, Tiejun Zhu, Xinbing Zhao, Yuan Deng
Isoelectronic Zn substitution in Mg2Si0.5Sn0.5-based thermoelectric materials improved mobility without affecting carrier concentration, leading to an enhancement of ZT.
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Redox-reversible niobium-doped strontium titanate decorated with in situ grown nickel nanocatalyst for high-temperature direct steam electrolysis

2 September, 2014 - 07:54

Dalton Trans., 2014, 43,14147-14157
DOI: 10.1039/C4DT01430H, PaperLiming Yang, Kui Xie, Shanshan Xu, Tingshuai Wu, Qi Zhou, Ting Xie, Yucheng Wu
Electrocatalytic Ni nanoparticles largely improve the performance of the cathode for high-temperature direct steam electrolysis.
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The chloridomolybdenum(III) cluster in [BMIm]4[AgMo10Cl35] with infinite chains of Ag+-linked [Mo10Cl35]5- wheels

2 September, 2014 - 07:54

Dalton Trans., 2014, 43,14109-14113
DOI: 10.1039/C4DT01100G, PaperDominic Freudenmann, Claus Feldmann
[BMIm]4[AgMo10Cl35] contains a new wheel-shaped [Mo10Cl35]5- anion with five pairs of Mo-Mo bonds and Ag+ interlinking to infinite chains.
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