Dalton Transactions

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From bis(imidazole-2-thion-4-yl)phosphane to a flexible P-bridged bis(NHC) ligand and its silver complex

30 September, 2014 - 15:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02479F, PaperParesh Kumar Majhi, Gregor Schnakenburg, Rainer Streubel
Synthesis of the first P(V)-bridged bis(NHC) ligand 7 was achieved via deprotonation of P(V)-functionalized bis(imidazolium) salt 6, which was obtained via oxidative desulfurization of bis(imidazole-2-thion-4-yl)phosphane 2.
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Reversible photochromic switching in a Ru(II) polypyridyl complex

30 September, 2014 - 15:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02430C, CommunicationDuenpen Unjaroen, Johann B. Kasper, W. R. Browne
Fully reversible photoswitching of the coordination mode of the ligand MeN4Py (1,1-di(pyridin-2-yl)-N,N[prime or minute]-bis(pyridin-2-yl-methyl)-ethan-1-amine) in its ruthenium(II) complex with visible light is reported.
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The unusual binding mechanism of Cu(II) ions to the poly-histidyl domain of a peptide found in the venom of an African viper

30 September, 2014 - 15:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02257B, PaperFabio Pontecchiani, Eyal Simonovsky, Robert Wieczorek, Nuno Barbosa, Magdalena Rowinska-Zyrek, Slawomir Potocki, Maurizio Remelli, Yifat Miller, Henryk Kozlowski
The poly-His/poly-Gly peptide EDDHHHHHHHHHGVGGGGGGGGGG-NH2 proved to be an exceptionally effective Cu(II) chelator.
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Shape controlled synthesis of hierarchical nickel sulfide by the hydrothermal method

30 September, 2014 - 15:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02059F, PaperKarthikeyan Rajan, Navaneethan Mani, Archana Jayaram, Dheivasigamani Thangaraju, Arivanandhan Mukannan, Y. Hayakawa
Hierarchical structures of nickel sulfide have been grown by the hydrothermal method. Nickel nitrate hexahydrate and thiourea were used as precursor materials to synthesize nickel sulfide. Ethylenediaminetetraaceticacid was used as...
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22-Azametallacrown-8 complex with triazole-bridged ligand: synthesis, structure and magnetic properties

30 September, 2014 - 15:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02722A, CommunicationHua Yang, Qingxia Yao, Yunwu Li, DaCheng Li, Jianmin Dou
Reaction of Mn(OAc)2[round bullet, filled]4H2O with H2L ligand affords a new manganese 22-MC-8 azametallacrown [Mn8([small mu ]3-O)2([small mu ]3-OH)2([small mu ]2-OH)2(L)6(OAc)2(OH2)4][round bullet, filled]2DMF (H2L = 3-(2-oxyphenyl)-5- (pyrazin-2-yl)-1,2,4-triazole). The structural analysis of the complex reveals the azaMC ring possesses -[Mn-O-Mn-N-N-Mn-N-N-Mn-N-N]- connectivity....
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Mixed amido-/imido-/guanidinato niobium complexes: synthesis and the effect of ligands on insertion reactions

30 September, 2014 - 15:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01975J, PaperDavid Elorriaga, FERNANDO CARRILLO-HERMOSILLA, Antonio Antinolo, Isabel Lopez-Solera, Rafael Fernandez-Galan, Elena Villasenor
The new monoguanidinato complexes [Nb(NMe2)2{N(2,6-iPr2C6H3)}{(NR)(NR')C(NMe2)}] (R = R' = iPr, 2; R = tBu, R' = Et, 3) were obtained by the insertion reaction of either diisopropylcarbodiimide or 1-tert-butyl-3-ethylcarbodiimide with...
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Synthesis, Cytotoxic and Hydrolytic Studies of Titanium Complexes Anchored by a Tripodal Diamine Bis(phenolate) Ligand

30 September, 2014 - 15:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT00975D, PaperSonia Barroso, Ana M Coelho, Santiago Gomez-Ruiz, Maria Jose Calhorda, Zeljko Zizak, Goran N Kaluderovic, Ana M Martins
The reactivity, cytotoxic studies and hydrolytic behaviour of diamine bis(phenolate) titanium complexes are reported. The reactions of [Ti(tBu2O2NN')Cl]2([small micro]-O) (1) with LiOiPr or HOiPr in the presence of NEt3, aiming at...
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Simple and Extremely Efficient Blue Emitters Based on Mononuclear Cu(I)-Halide Complexes with Delayed Fluorescence

30 September, 2014 - 15:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02709D, PaperMasako Kato, Hiroki Ohara, Atsushi Kobayashi
Simple mononuclear Cu(I)-halide complexes, [CuX(PPh3)2(4-Mepy)] (X = Cl-, Br-, I-; PPh3 = triphenylphosphine; 4-Mepy = 4-methylpyridine), were prepared. They exhibit blue light emission with extremely high photoluminescence quantum yields approaching...
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Fragmentation Pathways Analysis for the Gas Phase Dissociation of Protonated Carnosine-Oxaliplatin Complexes.

30 September, 2014 - 15:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02217C, PaperIda Ritacco, Eslam Moustafa, Emilia Sicilia, Nino Russo, Tamer Shoeib
Collision-induced dissociation (CID) experiments on the protonated carnosine-oxaliplatin complex, [Carnosine + OxPt + H]+ using several collision energies were shown to yield nine different fragment ions. Energy-resolved CID experiments on...
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Lithiated Sulfoxides: [small alpha]-Sulfinyl Functionalized Carbanions

30 September, 2014 - 15:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02238F, PaperGerd Ludwig, Tobias Rueffer, Andre Hoppe, Till Walther, Heinrich Lang, Stefan G. Ebbinghaus, Dirk Steinborn
Reactions of alkyl aryl sulfoxides H-CRR'S(O)Ar with n-BuLi/TMEDA (TMEDA = N,N,N',N'-tetramethylethylenediamine) afforded [small alpha]-sulfinyl functionalized alkyl aryl lithium compounds of the type [Li2{CRR'S(O)Ar}2(TMEDA)2] (1, R/R' = H/H, Ar = Ph; 2,...
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Synthesis and structures of bis-ligated zinc complexes supported by tridentate ketoimines that initiate L-lactide polymerization

30 September, 2014 - 15:54

Dalton Trans., 2014, Advance Article
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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Interactions of Gold-based Drugs with Proteins: Structure and Stability of the Adduct Formed in the reaction between Lysozyme and the Cytotoxic Gold(III) Compound Auoxo3

30 September, 2014 - 15:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02332C, PaperIrene Russo Krauss, Luigi Messori, Maria A. Cinellu, Daniela Marasco, Rosalba Sirignano, Antonello Merlino
The structure and stability of the adduct formed in the reaction between Auoxo3, a dinuclear gold(III) compound, and the model protein hen egg white lysozyme (HEWL) are investigated by X-ray...
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Fabrication of Au/ZnO Nanoparticles Derived From ZIF-8 with Visible Light Photocatalytic Hydrogen Production and Degradation Dye Activities

30 September, 2014 - 15:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02557A, CommunicationLiu He, Lu Li, ting ting wang, guangzhe Li, XiaoTong Wu, Zhong-Min Su, chungang wang
A facile two-step strategy was developed to fabricate yellow fluorescent glutathione-Au nanoclusters/zeolitic imidazolate framework-8 nanoparticles (GSH-Au NCs/ZIF-8 NPs) and their derived Au/ZnO NPs, which exhibited visible light photocatalytic hydrogen evolution...
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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

30 September, 2014 - 15:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02761B, PaperDiego J Cardenas, Elena Bunuel, Rebeca Munoz-Rodriguez, Noelia Fuentes, J A Gareth Williams
Di- and tri-nuclear metal complexes incorporating gold(III), iridium(III) and platinum(II) units linked via a 1,3,5-triethynylbenzene core are reported, together with the corresponding mononuclear complexes as models. The gold(III) and platinum(II)...
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Synthesis, structure and magnetic properties of phenylhydroxamate-based coordination clusters

30 September, 2014 - 15:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02405B, PaperRemi TIRFOIN, Lise-Marie Chamoreau, Yanling Li, Benoit Fleury, Laurent Lisnard, Yves Journaux
The strategic recombination of preformed coordination clusters in the presence of polymodal bridging ligands has successfully led to the characterisation of five new compounds of structural and magnetic interest. Indeed...
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Synthesis, Characterization and Biocompatibility of Chitosan functionalized superparamagnetic nanoparticles for heat activated curing of cancer cells

30 September, 2014 - 15:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02293A, PaperNanasaheb Devappa Thorat, S V Otari, R M Patil, R A Bohara, H M Yadav, V B Koli, Akhilesh Kumar Chaurasia, R S Ningthoujam
Abstract: Surface functionalization, colloidal stability and biocompatibility of magnetic nanoparticles are crucial for their biological applications. Here, we report a synthetic approach for direct preparation of a superparamagnetic nanoparticles consisting...
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Probing the magnetic and magnetothermal properties of M(II)-Ln(III) complexes (where M(II) = Ni or Zn; Ln(III) = La or Pr or Gd)

30 September, 2014 - 15:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02360A, PaperMaheswaran Shanmugam, Naushad Ahmed, Chinmoy Das, Shefali Vaidya, Anant Kumar Srivastava, Stuart Langley, Keith S. Murray
We have established the coordination potential of the Schiff base ligand (2-methoxy-6-[(E)-2'-hydroxymethyl-phenyliminomethyl]-phenolate (H2L)) via the isolation of various M(II)-Ln(III) complexes (where M(II) = Ni or Zn and Ln(III) = La...
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Synthesis, structure and properties of 2D lanthanide coordination polymers based on N-heterocyclic arylpolycarboxylate ligands

30 September, 2014 - 15:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02517B, PaperYaguang Sun, Fu Ding, Gang Xiong, Philippe F Smet, Poelman Dirk, Katrien Meert, lixin you, Ju Wang, baoyi ren, yanwen tian
The reaction of 3-(2,4-dicarboxyphenyl)-2,6-pyridinedicarboxylic acid (H4dppd) with rare earth nitrates under hydrothermal conditions generated a series of new two-dimensional (2D) coordination polymers, namely {[La(Hdppd)(H2O)2[round bullet, filled](H2O)2]n(1), [Ln2(Hdppd)2(H2O)4[round bullet, filled](H2O)3]n [Ln = Sm(2), Eu(3)] and...
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Electrocatalytic Proton Reduction Catalyzed by A Dimanganese Disulfide Carbonyl Complex Containing a Redox-active Internal Disulfide Bond

30 September, 2014 - 15:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02361G, CommunicationKaipeng Hou, Wai Yip Fan
A dimanganese hexacarbonyl complex [(Mn(CO)3)2([small mu ]-SC6H4-o-S-S-C6H4-o-[small mu ]-S-)] containing an elongated disulfide bond electrocatalyses proton reduction at moderate overpotentials of 0.55 to 0.65V. Cyclic voltammetric, infrared spectroscopy and computational studies suggest that the...
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Can the pentamethylcyclopentadienyl ligand act as a proton-relay in f-element chemistry? Insights from a joint experimental/theoretical study.

30 September, 2014 - 15:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02387K, PaperChristos E. Kefalidis, Lionel Perrin, Carol Burns, David Berg, Laurent Maron, R Andersen
Isomerisation of buta-1,2-diene to but-2-yne by (Me5C5)2Yb is a thermodynamically favourable reaction, with the [capital Delta]rG[degree] estimated from experimental data at 298 K to be -3.0 kcal mol-1. It proceeds in...
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