Dalton Transactions

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Ligand influences on homoleptic Group 12 m-terphenyl complexes

16 September, 2014 - 12:17

Dalton Trans., 2014, 43,14257-14264
DOI: 10.1039/C4DT00647J, PaperToby J. Blundell, Fiona R. Hastings, Benjamin M. Gridley, Graeme J. Moxey, William Lewis, Alexander J. Blake, Deborah L. Kays
The analysis of three series of two-coordinate Group 12 bis-terphenyl complexes highlights how subtle changes to ligand properties, particularly sterics, and, to a smaller extent, electronics have a large effect on the solid state structures adopted.
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Catalytic hydroacetylenation of carbodiimides with homoleptic alkaline earth hexamethyldisilazides

16 September, 2014 - 12:17

Dalton Trans., 2014, 43,14249-14256
DOI: 10.1039/C3DT53542H, PaperMerle Arrowsmith, Mark R. Crimmin, Michael S. Hill, Sarah L. Lomas, Myra Sae Heng, Peter B. Hitchcock, Gabriele Kociok-Kohn
The homoleptic alkaline earth hexamethyldisilazides, [M{N(SiMe3)2}2(THF)2] (M = Mg, Ca, Sr), are shown to be efficient precatalysts for the hydroacetylenation of organic carbodiimides with alkyl- and arylacetylenes.
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Synthesis and Structures of Doubly-Bridged Dicyclopentadienyl Dinuclear Rhenium Complexes, and Their Photochemical Reactions with Aromatic Halides in Benzene

16 September, 2014 - 12:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02370F, PaperBolin Zhu, Xinwei Huang, Xiaoting Hao
Reaction of the doubly-bridged biscyclopentadienes (C5H4(EMe2))(C5H4(SiMe2)) (E = Si(1a), or C(1b)) with Re2(CO)10 in refluxing mesitylene gave the corresponding dirhenium carbonyl complexes [([small eta]5-C5H3)2(EMe2)(SiMe2)][Re(CO)3]2 (trans-2a,b and cis-2a,b), and the desilylated products...
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Crystal structure of paramagnetic copper (II) oxalate (CuC2O4): Formation and thermal decomposition of randomly stacked anisotropic nano-sized crystallites

16 September, 2014 - 12:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01689K, PaperAxel Norlund Christensen, Bente Lebech, Niels Hessel Andersen, Jean Claude Grivel
Abstract Synthetic copper (II) oxalate, CuC2O4 was obtained in a precipitation reaction between a copper (II) solution and an aqueous solution of oxalic acid. The product was identified from its...
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Alkali - Metal Ion Coordination in Uranyl(VI) Poly-Peroxide Complexes in Solution. Part 1, The Li+, Na+ and K+ - Peroxide -Hydroxide Systems.

16 September, 2014 - 12:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02104E, PaperPier Luigi Zanonato, Plinio Di Bernardo, Valerie Vallet, Zoltan Szabo, Ingmar Grenthe
The alkali metal ions Li+, Na+ and K+ have a profound influence on the stoichiometry of the complexes formed in uranyl(VI) - peroxide - hydroxide systems, presumably as a result...
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Thin-coated water soluble CdTeS alloyed quantum dots as energy donors for highly efficient FRET

16 September, 2014 - 12:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01502A, PaperAkram Yahia-Ammar, Aline M. Nonat, Anne Boos, Jean-Luc Rehspringer, Zouhair Asfari, Loic J. Charbonniere
A model for the determination of the chemical composition and the size of CdTeS QDs is proposed and confirmed by FRET experiments.
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Fulvic acid complexation of Eu(III) and Cm(III) at elevated temperatures studied by time-resolved laser fluorescence spectroscopy

16 September, 2014 - 12:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02339K, PaperDaniel R. Frohlich, Andrej Skerencak-Frech, Michael Gast, Petra J. Panak
The interaction of Eu(III) and Cm(III) with three different aquatic fulvic acids (FA) was studied as a function of the temperature (T = 20-80 [degree]C) in 0.1 M NaCl solution by time-resolved laser fluorescence spectroscopy.
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New expeditions in polar organometallic chemistry

16 September, 2014 - 12:17

Dalton Trans., 2014, 43,14179-14180
DOI: 10.1039/C4DT90136C, EditorialEva Hevia
Welcome to this themed issue of Dalton Transactions entitled "New Expeditions in Polar Organometallic Chemistry".
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Accurate yet feasible computations of resonance Raman spectra for metal complexes in solution: [Ru(bpy)3]2+ as a case study

16 September, 2014 - 12:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02151G, CommunicationAlberto Baiardi, Camille Latouche, Julien Bloino, Vincenzo Barone
Herein we present a new and promising approach for the high-resolution modeling of vibrational resonance Raman spectra of metal complexes in solution.
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Unprecedented dinuclear Robson type macrocyclic complexes having two +III metal ions in two compartments and the role of the diimino moiety on the stability of metal ion oxidation states

16 September, 2014 - 12:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01647E, PaperLeena Mandal, Sasankasekhar Mohanta
Robson type macrocyclic complexes: Unique examples of CoIIICoIII compounds with 1,3-diaminopropane but CoIIICoIII compounds with 2,2-dimethyl-1,3-diaminopropane. The systems show catechol oxidase activity.
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Half-sandwich scandium boryl complexes bearing a silylene-linked cyclopentadienyl-amido ligand

16 September, 2014 - 12:17

Dalton Trans., 2014, 43,14215-14218
DOI: 10.1039/C4DT01725K, CommunicationBaoli Wang, Masayoshi Nishiura, Jianhua Cheng, Zhaomin Hou
A boryl scandium complex supported by the silylene-linked cyclopentadienyl-amido ligand was synthesized for the first time.
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Synthesis of N,N,O-chelate zinc and aluminum complexes and their catalysis in the ring-opening polymerization of [varepsilon]-caprolactone and rac-lactide

16 September, 2014 - 12:17

Dalton Trans., 2014, 43,14470-14480
DOI: 10.1039/C4DT01364F, PaperWei-Li Kong, Zuo-Yun Chai, Zhong-Xia Wang
N,N,O-Chelate zinc complexes efficiently catalyze the controlled polymerization of [varepsilon]-CL and rac-LA and their copolymerization, and the aluminum complexes show good activity for the controlled polymerization of [varepsilon]-CL.
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Complexity in seemingly simple sodium magnesiate systems

16 September, 2014 - 12:17

Dalton Trans., 2014, 43,14424-14431
DOI: 10.1039/C4DT00921E, PaperJ. Francos, B. J. Fleming, P. Garcia-Alvarez, A. R. Kennedy, K. Reilly, G. M. Robertson, S. D. Robertson, C. T. O'Hara
Just like Grignard reagents, heteroleptic sodium magnesiate complexes can exhibit a complicated solution chemistry often giving rise to unexpected isolated products, including examples of inverse magnesiates.
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Donor-activated alkali metal dipyridylamides: co-complexation reactions with zinc alkyls and reactivity studies with benzophenone

16 September, 2014 - 12:17

Dalton Trans., 2014, 43,14409-14423
DOI: 10.1039/C4DT00914B, PaperDavid R. Armstrong, Etienne V. Brouillet, Alan R. Kennedy, Jennifer A. Garden, Markus Granitzka, Robert E. Mulvey, Joshua J. Trivett
Based on the metallodipyridylamine-dialkylzinc template [{(TMEDA)Na(dpa)}2ZntBu2], new alkali metal dpa complexes have been co-complexed with tBu2Zn, and the co-complexes studied with benzophenone.
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Oxygen insertion reactions of mixed N-heterocyclic carbene-oxazolinylborato zinc alkyl complexes

16 September, 2014 - 12:17

Dalton Trans., 2014, 43,14368-14376
DOI: 10.1039/C4DT01011F, PaperSongchen Xu, William C. Everett, Arkady Ellern, Theresa L. Windus, Aaron D. Sadow
An oxazolinyl-carbene borate zinc ethyl compound reacts with O2 at room temperature to provide a monometallic zinc ethylperoxide.
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Synthesis of new heteroleptic strontium complexes

16 September, 2014 - 12:17

Dalton Trans., 2014, 43,14461-14469
DOI: 10.1039/C4DT00689E, PaperSheby Mary George, Hyo-Suk Kim, Myoung Soo Lah, Bo Keun Park, Chang Gyoun Kim, Taek-Mo Chung
Synthesis of heteroleptic strontium complexes containing aminoalkoxide and [small beta]-diketonate ligands was demonstrated.
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Synthesis and molecular structure of an abnormal carbene-gallium chloride complex

16 September, 2014 - 12:17

Dalton Trans., 2014, 43,14211-14214
DOI: 10.1039/C4DT00933A, CommunicationMingwei Chen, Yuzhong Wang, Robert J. Gilliard, Jr., Pingrong Wei, Nichole A. Schwartz, Gregory H. Robinson
The C4-lithiated N-heterocyclic carbene : BEt3 complex was synthesized by low-temperature lithiation of the N-heterocyclic carbene : BEt3 adduct, which may react with GaCl3 in THF to form the first abnormal N-heterocyclic carbene : GaCl3 complex.
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Lithium heterocuprates: the influence of the amido group on organoamidocuprate structures

16 September, 2014 - 12:17

Dalton Trans., 2014, 43,14359-14367
DOI: 10.1039/C4DT00965G, PaperRoberta Bomparola, Robert P. Davies, Stefan Hornaeur, Andrew J. P. White
The structural isomers of a number of lithium heteroamidocuprates LiCuR(NR[prime or minute]2) have been studied in the solid state and in solution, with the steric and electronic properties of the amido group (NR[prime or minute]2) shown to significantly influence the solid-state structures and the position of the solution equilibrium.
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Strong intramolecular calcium-[small pi] interactions with aryl substituents - requirements and limitations

16 September, 2014 - 12:17

Dalton Trans., 2014, 43,14440-14449
DOI: 10.1039/C4DT00949E, PaperClaas Loh, Susanne Seupel, Alexander Koch, Helmar Gorls, Sven Krieck, Matthias Westerhausen
The formation of strong bonds between calcium ions and neutral [small pi]-systems requires preorientation of the aryl groups by a sterically protecting ligand sphere.
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Trinuclear alkyl hydrido rare-earth complexes supported by amidopyridinato ligands: synthesis, structures, C-Si bond activation and catalytic activity in ethylene polymerization

16 September, 2014 - 12:17

Dalton Trans., 2014, 43,14450-14460
DOI: 10.1039/C4DT00806E, PaperDmitry M. Lyubov, Anton V. Cherkasov, Georgy K. Fukin, Sergey Yu. Ketkov, Andrey S. Shavyrin, Alexander A. Trifonov
[(Ap9MeLu)3([small mu ]2-H)3([small mu ]3-H)2(CH2SiMe3)(thf)2] was synthesized. For Y and Yb C-Si bond activation occurs affording [(Ap9MeLu)3([small mu ]2-H)3([small mu ]3-H)2(CH2SiMe3)(thf)2] and [(Ap9MeLn)3([small mu ]2-H)3([small mu ]3-H)2(CH2SiH2Ph)(thf)2].
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