Dalton Transactions

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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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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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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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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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Helicene-like Chiral Auxiliaries in Asymmetric Catalysis

13 August, 2014 - 03:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01935K, Perspectiveangela marinetti, Paul Aillard, Arnaud Voituriez
This literature overview demonstrates that helically chiral ligands and organocatalysts have been largely neglected so far. However, a few recent studies on helical pyridine, the corresponding ammonium salts and N-oxides...
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New heterometallic Ir(III)2-Eu(III) complexes: white light emission from a single molecule

13 August, 2014 - 03:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01910E, CommunicationAndrea Baschieri, Sara Muzzioli, Elia Matteucci, Stefano Stagni, Massimiliano Massi, Letizia Sambri
Pure white light emission from a single-molecule Ir2(III)-Eu(III) complex can be achieved with appropriate ligands.
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Two-step sintering of new potassium sodium niobate ceramics: a high d33 and wide sintering temperature range

13 August, 2014 - 03:54

Dalton Trans., 2014, 43,12836-12841
DOI: 10.1039/C4DT01712A, CommunicationJiagang Wu, Yumei Wang
In this work, the two-step sintering technique is used to realize a high piezoelectric constant (d33) and wide sintering temperature range (TS) in the 0.955(K0.42Na0.58)(Nb0.96Sb0.04)O3-0.045(Bi0.5K0.5)0.90Zn0.10ZrO3 lead-free ceramics.
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Proton conductivity of hexagonal and cubic BaTi1-xScxO3-[small delta] (0.1 [less-than-or-equal] x [less-than-or-equal] 0.8)

13 August, 2014 - 03:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01280A, PaperSeikh M. H. Rahman, Stefan T. Norberg, Christopher S. Knee, Jordi J. Biendicho, Stephen Hull, Sten G. Eriksson
Scandium substituted BaTiO3 reveals hexagonal and cubic structures, and the proton conductivity is several orders higher in the cubic materials.
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Nickel oxide thin film from electrodeposited nickel sulfide thin film: peroxide sensing and photo-decomposition of phenol

13 August, 2014 - 03:54

Dalton Trans., 2014, 43,13096-13104
DOI: 10.1039/C4DT01658K, PaperSumanta Jana, Subhasis Samai, Bibhas C. Mitra, Pulakesh Bera, Anup Mondal
Porous NiO thin film: a peroxide sensor and effective catalyst for phenol decomposition.
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A magnetically isolated cuprate spin-ladder system: synthesis, structures, and magnetic properties

13 August, 2014 - 03:54

Dalton Trans., 2014, 43,12974-12981
DOI: 10.1039/C4DT01746C, PaperXiao Zhang, Sadafumi Nishihara, Yuki Nakano, Erina Yoshida, Chisato Kato, Xiao-Ming Ren, Kseniya Yu. Maryunina, Katsuya Inoue
Two magnetically isolated cuprate spin ladders have been synthesized. Their crystal structures and preliminary investigation into the magnetic properties were reported.
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Hemi- and holo-directed lead(II) complexes in a soft ligand environment

13 August, 2014 - 03:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01406E, PaperMuhammad Imran, Andreas Mix, Beate Neumann, Hans-Georg Stammler, Uwe Monkowius, Petra Grundlinger, Norbert W. Mitzel
Structures and stereochemical activity of the lone pairs at the lead ion were investigated by synthetic, spectroscopic and structural studies of ten lead(II) complexes with heterocyclic soft ligands. The majority of the complexes exhibited a hemi-directed environment around the lead ions.
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Reactivity of kiteplatin with S-donor biomolecules and nucleotides

13 August, 2014 - 03:54

Dalton Trans., 2014, 43,12851-12859
DOI: 10.1039/C4DT01474J, PaperEmanuele Petruzzella, Nicola Margiotta, Giovanni Natile, James D. Hoeschele
Interaction of kiteplatin with S-donors is investigated. Kiteplatin-glutathione adducts can further react with 5[prime or minute]-GMP in presence of O2. This unique reaction may account for its activity toward oxaliplatin-resistant colon cancer.
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Cation-size-controlled assembly of the Ni(Ac)2-1,4-H2NDC system: geminal dicationic ionothermal syntheses, crystal structures and magnetic properties

13 August, 2014 - 03:54

Dalton Trans., 2014, 43,12828-12831
DOI: 10.1039/C4DT00987H, CommunicationBing An, Yan Bai, Jun-Li Wang, Dong-Bin Dang
Geminal dicationic ionic liquids with different alkyl spacer lengths regularly tune four MOF structures of two structure types in the Ni(Ac)2-1,4-H2NDC system, which in turn bring about different magnetic properties.
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Two new coordination polymers, a trinuclear metal complex and their interconversion depending on the solvent

13 August, 2014 - 03:54

Dalton Trans., 2014, 43,12832-12835
DOI: 10.1039/C4DT01644K, CommunicationShiori Koike, Takeshi Hirakawa, Katsunori Yamanishi, Mitsuru Kondo
Irreversible conversion of the 1-D coordination polymer to the discrete trinuclear complex by contact with MeCN is described.
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Helicity inversion and redox chemistry of chiral manganese(II) cubanes

13 August, 2014 - 03:54

Dalton Trans., 2014, 43,12917-12925
DOI: 10.1039/C4DT01590H, PaperClaire Deville, Matteo Granelli, Alan M. Downward, Celine Besnard, Laure Guenee, Alan F. Williams
N-methylation of a benzimidazole ligand switches the helicity of a tetranuclear manganese complex and changes the redox behavior.
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Stability and toxicity of heteroleptic organometallic Bi(V) complexes towards Leishmania major

13 August, 2014 - 03:54

Dalton Trans., 2014, 43,12904-12916
DOI: 10.1039/C4DT00957F, PaperYih Ching Ong, Victoria L. Blair, Lukasz Kedzierski, Philip C. Andrews
A series of organometallic bismuth(V) dicarboxylates, [BiPh3(O2CR[prime or minute])2], were synthesised and evaluated for their anti-leishmanial activity. The complexes are effective against parasite promastigotes (0.6-2.5 [small mu ]M), but prone to slow reductive decomposition.
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Synthesis and characterisation of first row transition metal complexes of functionalized 1,2,4-benzothiadiazines

13 August, 2014 - 03:54

Dalton Trans., 2014, 43,12996-13005
DOI: 10.1039/C4DT01413H, PaperEwan R. Clark, Muhammad U. Anwar, Bryce J. Leontowicz, Yassine Beldjoudi, John J. Hayward, Wesley T. K. Chan, Emma L. Gavey, Melanie Pilkington, Eli Zysman-Colman, Jeremy M. Rawson
The 3-(2[prime or minute]-pyridyl)-benzo-1,2,4-thiadiazine ligand forms a range of N,N[prime or minute]-chelate complexes with first row transition metal ligands.
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Synthesis and characterization of the ZnO/mpg-C3N4 heterojunction photocatalyst with enhanced visible light photoactivity

13 August, 2014 - 03:54

Dalton Trans., 2014, 43,13105-13114
DOI: 10.1039/C4DT01347F, PaperDaimei Chen, Kewei Wang, Tiezhen Ren, Hao Ding, Yongfa Zhu
The photocatalytic activity enhancement of the ZnO/mpg-C3N4 is due to the high separation and easy transfer of photogenerated electron-hole pairs.
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Facile synthesis of novel MoS2@SnO2 hetero-nanoflowers and enhanced photocatalysis and field-emission properties

13 August, 2014 - 03:54

Dalton Trans., 2014, 43,13136-13144
DOI: 10.1039/C4DT01436G, PaperJinzhu Li, Ke Yu, Yinghua Tan, Hao Fu, Qingfeng Zhang, Weitao Cong, Changqing Song, Haihong Yin, Ziqiang Zhu
A novel MoS2@SnO2 hetero-nanoflower was successfully synthesized by a facile hydrothermal method. The composite showed more excellent photocatalytic and field emission properties than that of MoS2.
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