Dalton Transactions

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Aluminum complexes with bidentate amido ligands: synthesis, structure and performance on ligand-initiated ring-opening polymerization of rac-lactide

1 June, 2014 - 08:17

Dalton Trans., 2014, 43,9098-9110
DOI: 10.1039/C4DT00353E, PaperJunpeng Liu, Haiyan Ma
A series of aluminum dimethyl complexes bearing bidentate amido ligands could initiate the ring-opening polymerization of rac-lactide with living features to afford narrowly distributed PLAs end-capped with the bidentate amido ligands.
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Red electroluminescence of ruthenium sensitizer functionalized by sulfonate anchoring groups

1 June, 2014 - 08:17

Dalton Trans., 2014, 43,9202-9215
DOI: 10.1039/C3DT52949E, PaperHashem Shahroosvand, Parisa Abbasi, Ezeddin Mohajerani, Mohammad Janghouri
We have synthesized five novel Ru(II) phenanthroline complexes with an additional aryl sulfonate ligating substituent at the 5-position, as both photosensitizers for oxide semiconductor solar cells (DSSCs) and light emitting diodes (LEDs).
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Biogenic synthesis of palladium nanoparticles using Pulicaria glutinosa extract and their catalytic activity towards the Suzuki coupling reaction

1 June, 2014 - 08:17

Dalton Trans., 2014, 43,9026-9031
DOI: 10.1039/C3DT53554A, PaperMujeeb Khan, Merajuddin Khan, Mufsir Kuniyil, Syed Farooq Adil, Abdulrahman Al-Warthan, Hamad Z. Alkhathlan, Wolfgang Tremel, Muhammad Nawaz Tahir, Mohammed Rafiq H. Siddiqui
Biosynthesized Pd NPs: wonderful catalyst towards the Suzuki coupling reaction under aerobic conditions.
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Reduction of an Fe(I) mesityl complex induced by [small pi]-acid ligands

1 June, 2014 - 08:17

Dalton Trans., 2014, 43,9032-9037
DOI: 10.1039/C4DT00170B, PaperYa-Fan Lin, Yumiko Nakajima, Fumiyuki Ozawa
The Fe(I) complex [Fe(Mes)(BPEP-Ph)] bearing a PNP-pincer type phosphaalkene ligand (BPEP-Ph) undergoes one-electron reduction via Mes group migration from Fe to P in the presence of [small pi]-acid ligands (CO, RNC).
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Catalytic bond forming reactions promoted by amidinate, guanidinate and phosphaguanidinate compounds of magnesium

30 May, 2014 - 07:54

Dalton Trans., 2014, Advance Article
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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TOF-SIMS characterization of impurity enrichment and redistribution in solid oxide electrolysis cells during operation

30 May, 2014 - 07:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01053A, PaperRagnar Kiebach, Kion Norrman, Christodoulos Chatzichristodoulou, Ming Chen, Xiufu Sun, Sune D. Ebbesen, Mogens B. Mogensen, Peter Vang Hendriksen
TOF-SIMS was used to investigate the enrichment and redistribution of impurities in solid oxide cells during operation.
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An in situ spectroscopic study of the local structure of oxyfluoride melts: NMR insights into the speciation in molten LiF-LaF3-Li2O systems

30 May, 2014 - 07:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT00926F, PaperAnne-Laure Rollet, Haruaki Matsuura, Catherine Bessada
An in situ high temperature NMR technique evidences the local structure of lithium lanthanum oxyfluoride melts.
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Fast and reversible insertion of carbon dioxide into zirconocene-alkoxide bonds. A mechanistic study

28 May, 2014 - 07:17

Dalton Trans., 2014, 43,8894-8898
DOI: 10.1039/C3DT53566E, PaperAlice Brink, Ida Truedsson, Andre Fleckhaus, Magnus T. Johnson, Per Ola Norrby, Andreas Roodt, Ola F. Wendt
In two consecutive equilibria the compound (Cp*)2Zr(OMe)2 undergoes insertion of CO2 to form the mono- and bis-hemicarbonates with a high rate.
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Semi-catalytic reduction of secondary amides to imines and aldehydes

28 May, 2014 - 07:17

Dalton Trans., 2014, 43,8888-8893
DOI: 10.1039/C4DT00372A, PaperSun-Hwa Lee, Georgii I. Nikonov
Ruthenium catalyzed reduction of iminoyl chlorides by HSiMe2Ph allows for a two-step conversion of secondary amides into imines and aldehydes.
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Ferrocenylpyrazolyl palladium complexes as catalysts for the polymerisation of 1-heptene and 1-octene to highly branched polyolefins

28 May, 2014 - 07:17

Dalton Trans., 2014, 43,8940-8950
DOI: 10.1039/C4DT00931B, PaperCollins Obuah, Apollinaire Munyaneza, Ilia A. Guzei, James Darkwa
(Ferrocenylpyrazolyl)palladium complexes that catalyse the polymerization of 1-heptene and 1-octene to highly branched polyolefins are reported.
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Heterobimetallic catechol-phosphine complexes with palladium and a group-13 element: structural flexibility and dynamics

28 May, 2014 - 07:17

Dalton Trans., 2014, 43,8911-8920
DOI: 10.1039/C4DT00785A, PaperG. Bauer, M. Nieger, D. Gudat
Condensation of a catechol phosphine Pd complex [Pd(catphosH)2] with group-13 element acetylacetonates yields complexes [M(L)n(catphos)2Pd] or [M{(catphos)2Pd}2]H (M = Al, Ga, In) whose relative stability is controlled by the size of the group-13 element. 1H NMR studies give insight into the proton mobility in a Pd2In complex.
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Heterodinuclear complexes of 4,5-diazafluorene derivatives displaying [small eta]5,[small kappa]2-[N,N] and [small eta]5,[small kappa]1-N coordination modes

28 May, 2014 - 07:17

Dalton Trans., 2014, 43,8951-8958
DOI: 10.1039/C4DT01165A, PaperRhys Batcup, Vincent T. Annibale, Datong Song
The syntheses and structures for a series of heterodinuclear complexes of 4,5-diazafluorenyl (L-) and 3,6-dimesityl-4,5-diazafluorenyl (LMes-) ligands are reported herein.
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Ru-NO and Ru-NO2 bonding linkage isomerism in cis-[Ru(NO)(NO)(bpy)2]2+/+ complexes - a theoretical insight

28 May, 2014 - 07:17

Dalton Trans., 2014, 43,8792-8804
DOI: 10.1039/C4DT00016A, PaperKarla Furtado Andriani, Giovanni Finoto Caramori, Fabio Gorzoni Doro, Renato Luis Tame Parreira
Calculated energy profile (kcal mol-1) for linkage isomers relative to the ground state structure (GS) 1a prior the monoelectronic reduction.
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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

28 May, 2014 - 07:17

Dalton Trans., 2014, Advance Article
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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Donor-acceptor chemistry in the main group

28 May, 2014 - 07:17

Dalton Trans., 2014, 43,8577-8586
DOI: 10.1039/C4DT00481G, PerspectiveEric Rivard
This Perspective article describes the preparation of low-oxidation state main group hydrides using a general donor-acceptor strategy.
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Direct hydrosilylation by a zirconacycle with [small beta]-hydrogen

28 May, 2014 - 07:17

Dalton Trans., 2014, 43,8644-8653
DOI: 10.1039/C4DT00658E, PaperKaKing Yan, Aradhana Pindwal, Arkady Ellern, Aaron D. Sadow
The pendent [small beta]-SiH-containing zirconacycle and formaldehyde react to give a direct hydrosilylation product, similarly to the reaction of the non-classical zwitterionic compound.
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Studies on the reactions of [AuCl4]- with different nucleophiles in aqueous solution

28 May, 2014 - 07:17

Dalton Trans., 2014, 43,8620-8632
DOI: 10.1039/C4DT00247D, PaperMirjana D. Durovic, Ralph Puchta, Zivadin D. Bugarcic, Rudi van Eldik
The type of reaction that occurs between [AuCl4]- and Br-, I-, NO2-, tu, py and DMSO, as well as their kinetic parameters, were determined using UV-vis, rapid-scan, stopped-flow measurements, cyclic voltammetry, 1H NMR and theoretical calculations.
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Synthesis, spectral and thermal studies of pyridyl adducts of Zn(II) and Cd(II) dithiocarbamates, and their use as single source precursors for ZnS and CdS nanoparticles

28 May, 2014 - 07:17

Dalton Trans., 2014, 43,8703-8712
DOI: 10.1039/C4DT00610K, PaperDamian C. Onwudiwe, Christien A. Strydom, Oluwatobi S. Oluwafemi, Eric Hosten, Anine Jordaan
The synthesis and characterization of pyridyl adducts of Zn(II) and Cd(II) dtc: precursors to ZnS and CdS nanoparticles are reported.
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Bis-tropolonate complexes of tungsten: scaffolds for selective side-on binding of nitriles, imines and ketones

28 May, 2014 - 07:17

Dalton Trans., 2014, 43,8738-8748
DOI: 10.1039/C4DT00734D, PaperJoseph Becica, Andrew B. Jackson, William G. Dougherty, W. Scott Kassel, Nathan M. West
The bis-tropolonate tungsten(II) tricarbonyl compound, (trop)2W(CO)3 will preferentially bind nitriles, imines, and aldehydes in a side-on fashion. Crystallographic analysis of the imine adduct supports the postulation of 4-electron donation from the imine.
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Facile oxidation of NHC-Au(I) to NHC-Au(III) complexes by CsBr3

28 May, 2014 - 07:17

Dalton Trans., 2014, 43,8781-8791
DOI: 10.1039/C4DT00695J, PaperMargit Kriechbaum, Daniela Otte, Manuela List, Uwe Monkowius
CsBr3 was investigated as a new and convenient oxidant for NHC-Au(I) complexes for the preparation of the respective Au(III) complexes.
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