Dalton Transactions

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trans-Platinum(II) complex of 3-aminoflavone - synthesis, X-ray crystal structure and biological activities in vitro

15 August, 2014 - 04:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01501K, PaperMalgorzata Fabijanska, Kazimierz Studzian, Leszek Szmigiero, Agnieszka J. Rybarczyk-Pirek, Arno Pfitzner, Barbara Cebula-Obrzut, Piotr Smolewski, Elzbieta Zyner, Justyn Ochocki
This paper describes the synthesis of trans-Pt(3-af)2Cl2 for use as a potential anticancer compound, and the evaluation of its structure by spectral analyses and X-ray crystallography.
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Novel open-framework europium silicates prepared under high-temperature and high-pressure conditions

15 August, 2014 - 04:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01707B, PaperWei Liu, Ying Ji, Xinjian Bao, Ying Wang, Benxian Li, Xiaofeng Wang, Xudong Zhao, Xiaoyang Liu, Shouhua Feng
Two new europium silicates were synthesized under high-temperature and high-pressure conditions, and structurally characterized by single-crystal X-ray diffraction.
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Oxygen-driven competition between low-dimensional structures of Sr3CoMO6 and Sr3CoMO7-[small delta] with M = Ru, Ir

15 August, 2014 - 04:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01893A, PaperDaria Mikhailova, Phillip Reichel, Alexander A. Tsirlin, Artem M. Abakumov, Anatoliy Senyshyn, Kailash M. Mogare, Marcus Schmidt, Chang-Yang Kuo, Chin-Wen Pao, Tun-Wen Pi, Jyh-Fu Lee, Zhiwei Hu, Liu Hao Tjeng
During reversible transformation between the 1D and 2D structures HS-Co2+ changes to HS-Co3+ and then to LS-Co3+.
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Chiral multidentate oxazoline ligands based on cyclophosphazene cores: synthesis, characterization and complexation studies

15 August, 2014 - 04:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01741B, PaperDheeraj Kumar, Jatinder Singh, Anil J. Elias
Chiral oxazoline derivatives of cyclophosphazenes were prepared and their complexation and catalytic studies for the asymmetric rearrangement of trichloroacetimidates to trichloroacetamides have been performed.
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(Phenoxyimidazolyl-salicylaldimine)iron complexes: synthesis, properties and iron catalysed ethylene reactions

15 August, 2014 - 04:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01886A, PaperMargaret Yankey, Collins Obuah, Ilia A. Guzei, Emmanuel Osei-Twum, Giovanni Hearne, James Darkwa
(Salicyladimine)iron(III) pre-catalysts, from iron(II) precursors, form catalysts for ethylene oligomerisation, polymerisation and alkylation of aromatic solvents by the ethylene oligomers.
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The energetics of isomerisation in Keggin-series aluminate cations

13 August, 2014 - 03:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01763C, CommunicationC Andre Ohlin, Jim Rustad, William H Casey
Electronic-structure calculations show that the epsilon-isomer of the polyoxoaluminate ion in the Keggin structure [AlO4(Al(OH)2(H2O))12]7+ is the thermodynamically favoured one. Direct interconversion between the epsilon- and delta-isomers via cap rotation...
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Synthesis and reactivity of coordinatively unsaturated halocarbonyl molybdenum PNP pincer complexes

13 August, 2014 - 03:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01932F, PaperSara Aguiar, Ozgur Oztopcu, Berthold Stoger, Kurt Mereiter, Luis F. Veiros, Ernst Pittenauer, Guenter Allmaier, Karl Kirchner
In the present study a series of six-coordinate neutral 16e halocarbonyl Mo(II) complexes of the type [Mo(PNPMe-iPr)(CO)X2] (X = I, Br, Cl), featuring the PNP pincer ligand N,N'-bis(diisopropylphosphino)-N,N'-dimethyl-2,6-diaminopyridine (PNPMe-iPr), were...
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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

13 August, 2014 - 03:54

Dalton Trans., 2014, Advance Article
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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Hunting the human DPP III active conformation: combined thermodynamic and QM/MM calculations

13 August, 2014 - 03:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02003K, PaperAntonija Tomic, Sanja Tomic
Multiple choices of the protein active conformations in flexible metalloenzymes complicate study of their catalytic mechanism. We used three different conformations of human dipeptidyl-peptidase III (DPP III) to investigate influence...
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Two New Zinc(II) Coordination Complexes with Helix Characteristics Showing Both Interpenetration and Self-catenation Features: a Platform for Synthesis of Chiral and Catenated Structures Assembled by Length-Modulated Dicarboxylates

13 August, 2014 - 03:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01431F, PaperYue Wang, Yan Qi, Vladislav Blatov, jimin Zheng, Qun Li, Chao Zhang
Two new zinc coordination complexes, namely, [Zn2(tib)4/3(L1)2][round bullet, filled]DMA (1) and [Zn2(tib)4/3(L2)2][round bullet, filled]H2O (2) (tib = 1,3,5-tris(1-imidazolyl)benzene, H2L1 = biphenyl-4,4'-dicarboxylic acid, H2L2 = 4,4'-(2,2'-oxybis(ethane-2,1-diyl)bis(oxy))dibenzoic acid and DMA = N,N-dimethylacetamide) are obtained by using...
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Two-photon sensitized visible and near-IR luminescence of lanthanide complexes using a fluorene-based donor-[small pi]-acceptor diketonate

13 August, 2014 - 03:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01507J, PaperAdam W. Woodward, Andrew Frazer, Alma R. Morales, Jin Yu, Anthony F. Moore, Andres D. Campiglia, Evgheni V. Jucov, Tatiana V. Timofeeva, Kevin D. Belfield
Lanthanide ion complexes were prepared with 2PA antenna ligands. Photophysical characterization suggest the strong potential of the new complexes as imaging probes.
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Thermal structural characterization of the acentric layered perovskite LiHSrTa2O7 : X-ray and neutron diffraction, SHG and Raman experiments

13 August, 2014 - 03:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01723D, Papermarie-pierre Crosnier-Lopez, Cyrille Galven, Denis Mounier, Thierry Pagnier, E. Suard, Francoise Le Berre
The present work concerns the thermal structural characterization of the acentric Ruddlesden-Popper LiHSrTa2O7. A previous study, performed with powder neutron diffraction data, has revealed that at room temperature, LiHSrTa2O7 crystallizes...
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Switching and redox isomerism in first-row transition metal complexes containing redox active Schiff base ligands

13 August, 2014 - 03:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01699H, PaperAshok Sasmal, Eugenio Garribba, Carlos J. Gomez Garcia, Cedric Desplanches, Samiran Mitra
The reversible redox isomerisms in first row transition metals complexes of the type ML2 were studied. The six ML2 complexes (M = MnIII (1), FeII (2), CoIII (3) , NiII...
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DNA Fragment Conformations in Adducts with Kiteplatin.

13 August, 2014 - 03:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01796J, PaperNicola Margiotta, Emanuele Petruzzella, James A Platts, Shaun Mutter, R J Deeth, Rosa Ranaldo, Paride Papadia, Patricia A Marzilli, Luigi Marzilli, James D Hoeschele, Giovanni Natile
The anticancer activity of cisplatin is triggered by its formation of intrastrand adducts involving adjacent G residues of DNA. To obtain information on the different conformers that can be formed,...
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Proton conductive watery channels constructed by Anderson polyanions and lanthanide coordination cations

13 August, 2014 - 03:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01715C, PaperJun Miao, Yiwei Liu, Qun Tang, Danfeng He, Guocheng Yang, Zhan Shi, Shuxia Liu, Qingyin Wu
A 3D inorganic-organic hybrid proton conductor, [Sm(H2O)5(CO2CH2NH3)2][Al(OH)6Mo6O18][round bullet, filled]10H2O (1), has been synthesized by using coordination cations, [Sm(H2O)5(gly)2]3+ (gly = -CO2CH2NH3+), and polyanions, [Al(OH)6Mo6O18]3- ([AlMo6]). The polyanions ([AlMo6]) and the coordination cations...
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Na-doped Ni-Rich LiNi0.5Co0.2Mn0.3O2 cathode material with both high rate capability and high tap density for lithium ion batteries

13 August, 2014 - 03:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01611D, PaperWeibo Hua, Jibin Zhang, Zhuo Zheng, Wenyuan Liu, Xihao Peng, Xiao-Dong Guo, Benhe Zhong, Yan-Jie Wang, xinlong wang
Na-doped Ni-rich LiNi0.5Co0.2Mn0.3O2 cathode material, Li0.97Na0.03Ni0.5Co0.2Mn0.3O2, is synthesized by a hydroxide co-precipitation route. The structural characterization reveals that the substitution of Na for Li results in a more ordered [small alpha]-NaFeO2...
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Silver Nanoparticles Supported on Passivated Silica: Preparation and Catalytic Performance in Alkyne Semi-hydrogenation

13 August, 2014 - 03:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01320D, PaperEmma Oakton, Gianvito Vile, Daniel Levine, Eva Zocher, David Baudouin, Javier Perez-Ramirez, Christophe Coperet
Herein, we report the preparation of small and narrowly distributed (2.1 +/- 0.5 nm) Ag nanoparticles supported on passivated silica, where the surface OH groups are replaced by OSiMe3 functionalities....
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Tuning the Electronic Coupling in Mo2-Mo2 Systems by Variation of the Coordinating Atoms of the Bridging Ligands

13 August, 2014 - 03:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT00786G, PaperChun Yuan Liu, Yao Shu, Hao Lei, Yingning Tan, Miao Meng, Xiaochun Zhang
Three novel [Mo2]bridge[Mo2] complexes were synthesized by a convergent assembling reaction of the dimetal precursor Mo2(DAniF)3(O2CCH3) (DAniF = N,N[prime or minute]-di(p-anisyl)formamidinate) with the bridging ligands terephthalamidine, terephthalamide and dithioterephthalamide. The structures of...
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Assembly of symmetrical and unsymmetrical platinum(II) rollover complexes with bidentate phosphine ligands

13 August, 2014 - 03:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02080D, PaperAntonio Zucca, Luca Maidich, Sergio Stoccoro, Maria A. Cinellu, Giuseppina Zuri
The reaction of the cyclometalated rollover complex [Pt(bpy-H)(Me)(DMSO)] (bpy-H = cyclometalated 2,2'-bipyridine) with two diphosphines, dppm (1,1-bis(diphenylphosphino)methane) and dppe (1,2-bis(diphenylphosphino)ethane), has been investigated. According to the reaction conditions, dppm behaves...
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Enhanced Association for C70 over C60 with a Metal Complex with Corannulene Derivate Ligands

13 August, 2014 - 03:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02078B, CommunicationCeledonio M. Alvarez, Luis Angel Garcia-Escudero, Raul Garcia-Rodriguez, Jose Miguel Martin-Alvarez, Daniel Miguel, Victor Manuel Rayon
The geometry imposed by the coordination sphere around the metal, together with the choice of the "arms" can be used advantageously to build corannulene-based molecular tweezers which show great affinities...
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