Dalton Transactions
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Updated: 7 hours 21 min ago
The reactions of para-halo diaryl diselenides with halogens. A structural investigation of the CT compound (p-FC6H4)2Se2I2, and the first reported "RSeI3" compound, (p-ClC6H4)SeI[middle dot]I2, which contains a covalent Se-I bond
DOI: 10.1039/C2DT31921G, PaperNicholas A. Barnes, Stephen M. Godfrey, Jill Hughes, Rana Z. Khan, Imrana Mushtaq, Ruth T. A. Ollerenshaw, Robin G. Pritchard, Shamsa Sarwar
The first reported "RSeI3" compound is a Se(II) species, RSeI[middle dot]I2, with both CT and covalent Se-I bonds.
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Novel MoO2/carbon hierarchical nano/microcomposites: synthesis, characterization, solid state transformations and thiophene HDS activity
DOI: 10.1039/C2DT31248D, PaperCarlos Avendano, Alexander Briceno, Franklin J. Mendez, Joaquin L. Brito, Gema Gonzalez, Edgar Canizales, Reinaldo Atencio, Philippe Dieudonne
Novel MoO2/C nano/microcomposites were prepared via a bottom-up approach by hydrothermal carbonization of a solution of glucose in the presence of polyoxometalates.
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Copper(I) complexes of 1,10-phenanthroline and heterocyclic thioamides: an experimental and theoretical (DFT) investigation of the photophysical characteristics
DOI: 10.1039/C2DT32167J, PaperIoannis Papazoglou, Philip J. Cox, Anastasios G. Papadopoulos, Michael P. Sigalas, Paraskevas Aslanidis
Luminescent complexes of type [CuX(phenanthroline)(thione)] have been synthesized and characterized and their electronic and photophysical properties as well as the energetics of the metal-ligand interactions have been investigated by means of density functional calculations.
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Bimetallic lanthanide amido complexes as highly active initiators for the ring-opening polymerization of lactides
DOI: 10.1039/C2DT31597A, PaperSong Sun, Kun Nie, Yufang Tan, Bei Zhao, Yong Zhang, Qi Shen, Yingming Yao
Neutral bimetallic lanthanide bisamido complexes stabilized by rigid phenylene bridged bis([small beta]-diketiminate) ligands were prepared, which exhibited extremely high activity for the ring-opening polymerization of lactides.
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Oxidative purification of halogenated ferrocenes
DOI: 10.1039/C2DT32779A, PaperMichael S. Inkpen, Shuoren Du, Mark Driver, Tim Albrecht, Nicholas J. Long
Large scale syntheses and 'oxidative purification' of fcI2, fcBr2 and FcBr is reported, providing a methodology towards generic tools for the separation of redox active mixtures.
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Synthesis, electrochemical and photophysical properties of covalently linked porphyrin-polyoxometalates
DOI: 10.1039/C2DT31415K, PaperClemence Allain, Delphine Schaming, Nikolaos Karakostas, Marie Erard, Jean-Paul Gisselbrecht, Sebastien Sorgues, Isabelle Lampre, Laurent Ruhlmann, Bernold Hasenknopf
Two polyoxometalates with the same zinc-porphyrin photosensitizer were synthesized and thoroughly characterized to reveal the possibility of electron transfer.
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Divalent europium and ytterbium complexes supported by a bulky 2-pyridyl amido ligand: synthesis, structure and reactivity studies
DOI: 10.1039/C2DT30333G, PaperKa Wai Ku, Chi Wai Au, Hoi-Shan Chan, Hung Kay Lee
Eu(II) and Yb(II) complexes derived from the bulky [N(C6H3Pri2-2,6)(2-C5H3N-6-Me)]- ligand were synthesized and structurally characterized. Their reactions with I2 and PhEEPh (E = S, Se, Te) were examined in this work.
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Mechanistic elucidation of linker and ancillary ligand substitution reactions in Pt(II) dinuclear complexes
DOI: 10.1039/C2DT31956J, PaperPeter O. Ongoma, Deogratius Jaganyi
The additional thiourea ligands at each metal centre coupled with steric properties of the linker render dinuclear Pt(II) complexes highly activated towards dissociation.
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2-tert-Butyl-5-(2-pyridyl)-2H-tetrazole as a chelating ligand in the direct synthesis of novel Cu(II) and heterobimetallic Cu(II)/Mn(II) complexes
DOI: 10.1039/C2DT32512H, PaperAnastasiya P. Mosalkova, Sergei V. Voitekhovich, Alexander S. Lyakhov, Ludmila S. Ivashkevich, Jochen Lach, Berthold Kersting, Pavel N. Gaponik, Oleg A. Ivashkevich
A direct synthesis approach has allowed the preparation of complexes with two different bidentate chelating modes of 2-tert-butyl-5-(2-pyridyl)-2H-tetrazole.
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Dehydrogenation of secondary amines: synthesis, and characterization of rare-earth metal complexes incorporating imino- or amido-functionalized pyrrolyl ligands
DOI: 10.1039/C2DT32513F, PaperQinghai Li, Shuangliu Zhou, Shaowu Wang, Xiancui Zhu, Lijun Zhang, Zhijun Feng, Liping Guo, Fenhua Wang, Yun Wei
The dehydrogenation of pyrrolyl-functionalized secondary amines was affected by redox potentials of RE3+/RE2+ and the steric hindrance of ligands.
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Controllable supramolecular structures and luminescent properties of unique trimeric Zn(II) 8-hydroxyquinolinates tuned by functional substituents
DOI: 10.1039/C2DT31846F, PaperGuozan Yuan, Yanping Huo, Xiaoli Nie, Hong Jiang, Bin Liu, Xiaoming Fang, Fenghua Zhao
The supramolecular structures and photophysical properties of two complexes were tuned by the substituted groups (-NO2 and -F).
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Synthesis and photoluminescence properties of rhenium(I) complexes based on 2,2[prime or minute]:6[prime or minute],2[prime or minute][prime or minute]-terpyridine derivatives with hole-transporting units
DOI: 10.1039/C2DT32154H, PaperDong Wang, Qiu-Lei Xu, Song Zhang, Hong-Yan Li, Cheng-Cheng Wang, Tian-Yi Li, Yi-Ming Jing, Wei Huang, You-Xuan Zheng, Gianluca Accorsi
The chemical structure and emission spectra of Re(I) complexes in solid state.
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Ring opening polymerization of rac-lactide by group 4 tetracarbamato complexes: activation, propagation and role of the metal
DOI: 10.1039/C2DT31264F, PaperFabio Marchetti, Guido Pampaloni, Calogero Pinzino, Filippo Renili, Timo Repo, Sirpa Vuorinen
Mechanistic aspects of the initial stages of the ring opening polymerization of rac-lactide promoted by M(O2CNR2)4 have been outlined showing that different pathways occurs and justifying the lower catalytic performances of Ti(O2CNR2)4 with respect to the corresponding Zr and Hf species.
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Synthesis, structure, magnetic properties and theoretical calculations of methoxy bridged dinuclear iron(III) complex with hydrazone based O,N,N-donor ligand
DOI: 10.1039/C2DT31751F, PaperRahman Bikas, Hassan Hosseini-Monfared, Giorgio Zoppellaro, Radovan Herchel, Jiri Tucek, Anita M. Owczarzak, Maciej Kubicki, Radek Zboril
A novel metallorganic complex mimicking non-heme binuclear ferric proteins was synthesized and exhibited an extremely small J value. The structural parameters responsible for such drastic quenching of the magnetic communication were dissected by density functional theory.
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