Dalton Transactions

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Influence of spherical assembly of copper ferrite nanoparticles on magnetic properties: orientation of magnetic easy axis

14 May, 2014 - 03:54

Dalton Trans., 2014, 43,7930-7944
DOI: 10.1039/C4DT00093E, PaperBiplab K. Chatterjee, Kaustav Bhattacharjee, Abhishek Dey, Chandan K. Ghosh, Kalyan K. Chattopadhyay
The spherical assembly of nanoparticles induces a high degree of alignment of magnetic easy axis as compared to randomly oriented nanoparticles which increases the reduced remanence ensuing straightened hysteresis loop.
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Biomimetic polyorganosiloxanes: model compounds for new materials

14 May, 2014 - 03:54

Dalton Trans., 2014, 43,7734-7746
DOI: 10.1039/C4DT00554F, PaperGabriele Kociok-Kohn, Mary F. Mahon, Kieran C. Molloy, Gareth J. Price, Timothy J. Prior, Douglas R. G. Smith
Model organosilicon derivatives of DNA bases and polymeric analogues are reported with the crystallographically studied formation of hydrogen-bonded aggregates.
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Improved magnetic and ferroelectric properties of Sc and Ti codoped multiferroic nano BiFeO3 prepared via sonochemical synthesis

12 May, 2014 - 03:17

Dalton Trans., 2014, 43,7838-7846
DOI: 10.1039/C3DT52779D, PaperDimple P. Dutta, B. P. Mandal, M. D. Mukadam, S. M. Yusuf, A. K. Tyagi
Sonochemically synthesized BiFe0.925Sc0.05Ti0.025O3 exhibits much better multiferroic properties compared to its undoped counterpart.
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Insertion, coupling and elimination processes in the reactions of the unsaturated alkyl-bridged complexes [Mo2([small eta]5-C5H5)2([small mu ]-CH2R)([small mu ]-PCy2)(CO)2] (R = H, Ph) with isocyanides and secondary phosphines

12 May, 2014 - 03:17

Dalton Trans., 2014, 43,7780-7794
DOI: 10.1039/C4DT00398E, PaperM. Angeles Alvarez, M. Esther Garcia, Daniel Garcia-Vivo, M. Eugenia Martinez, Alberto Ramos, Miguel A. Ruiz
The title alkyl ligands may be involved in insertion, migration or hydroalkylation processes.
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Recyclable chemosensor for oxalate based on bimetallic complexes of a dinucleating bis(iminopyridine) ligand

12 May, 2014 - 03:17

Dalton Trans., 2014, 43,7979-7986
DOI: 10.1039/C4DT00577E, PaperJ. W. Beattie, D. S. White, A. Bheemaraju, P. D. Martin, S. Groysman
We describe bimetallic complexes of a flexible dinucleating bis(iminopyridine) ligand that bind oxalate intramolecularly. Oxalate coordination is reversed by CaBr2.
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Electronegativity effects and single covalent bond lengths of molecules in the gas phase

12 May, 2014 - 03:17

Dalton Trans., 2014, 43,8016-8025
DOI: 10.1039/C4DT00807C, PaperPeter F. Lang, Barry C. Smith
This paper discusses in detail the calculation of internuclear distances of heteronuclear single bond covalent molecules in the gaseous state.
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Synthesis of dimesitylborane-substituted phenylcarbazoles as bipolar host materials and the variation of the green PHOLED performance with the substituent position of the boron atom

12 May, 2014 - 03:17

Dalton Trans., 2014, 43,7712-7715
DOI: 10.1039/C4DT00101J, CommunicationHong-Gu Jang, Bo Seong Kim, Jun Yeob Lee, Seok-Ho Hwang
Two structural isomers of bipolar host materials containing the dimesitylborane moiety were synthesized and the quantum efficiency of their devices depends on the substituent position of the dimesitylborane moiety.
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Synthesis, characterization and ethylene polymerization behaviour of binuclear nickel halides bearing 4,5,9,10-tetra(arylimino)pyrenylidenes

12 May, 2014 - 03:17

Dalton Trans., 2014, 43,7830-7837
DOI: 10.1039/C4DT00503A, PaperQifeng Xing, Kuifeng Song, Tongling Liang, Qingbin Liu, Wen-Hua Sun, Carl Redshaw
Binuclear nickel halides were found to be long-lived, high active ethylene polymerization catalysts; the polyethylene possessed branched features.
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Supramolecular architectures with pyridine-amide based ligands: discrete molecular assemblies and their applications

12 May, 2014 - 03:17

Dalton Trans., 2014, 43,7668-7682
DOI: 10.1039/C4DT00277F, PerspectiveAnurag Mishra, Rajeev Gupta
This perspective offers an overview on the recent progress achieved in the design of discrete molecular assemblies utilizing assorted pyridine-amide based ligands.
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A unique 1-amino-1-cyclopropane carboxylate cupric-cryptate hosting sodium

12 May, 2014 - 03:17

Dalton Trans., 2014, 43,7708-7711
DOI: 10.1039/C4DT00500G, CommunicationWadih Ghattas, Remy Ricoux, Hafsa Korri-Youssoufi, Regis Guillot, Eric Riviere, Jean-Pierre Mahy
Exploiting the self-assembly of Cu(ClO4)2, amino acids and Na+, we prepared and fully characterised the first 1-amino-1-cyclopropane containing metal cluster.
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A naphthalimide-based bifunctional fluorescent probe for the differential detection of Hg2+ and Cu2+ in aqueous solution

12 May, 2014 - 03:17

Dalton Trans., 2014, 43,8102-8108
DOI: 10.1039/C4DT00014E, PaperChang-Bo Huang, Hao-Ran Li, Yuanyuan Luo, Lin Xu
A bifunctional fluorescent probe NPM exhibiting highly selective fluorescence turn-on for Hg2+ and turn-off for Cu2+ was synthesized.
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4-Pyridyl-substituted azacycloalkanes with multiple donor sites prepared via a solvent-free, one-pot method for use in electrocatalysts

12 May, 2014 - 03:17

Dalton Trans., 2014, 43,7683-7686
DOI: 10.1039/C4DT00240G, CommunicationB. K. Breedlove, R. Kandel, H. Md. Ahsan, M. Yamashita
The first 4-pyridyl-substituted azacycloalkane derivatives were prepared via a solvent-free, one-pot synthetic procedure.
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In search of redox non-innocence between a tetrazine pincer ligand and monovalent copper

12 May, 2014 - 03:17

Dalton Trans., 2014, 43,7958-7963
DOI: 10.1039/C3DT52490F, PaperAlice K. Hui, Richard L. Lord, Kenneth G. Caulton
Electron transfer to ligand occurs in the excited state, but not in the ground state when copper is surrounded by four tetrazines and two pyridines.
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Coumarin-substituted manganese phthalocyanines: synthesis, characterization, photovoltaic behaviour, spectral and electrochemical properties

12 May, 2014 - 03:17

Dalton Trans., 2014, 43,7987-7997
DOI: 10.1039/C4DT00482E, PaperSelcuk Altun, Zafer Odabas, Ahmet Alt[i without dot]ndal, Ali R[i without dot]za Ozkaya
Octa-substituted manganese phthalocyanine donor and fullerene acceptor based photovoltaic heterojunction devices exhibited suitable performance for solar cell applications.
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Electronic and phonon transport in Sb-doped Ti0.1Zr0.9Ni1+xSn0.975Sb0.025 nanocomposites

12 May, 2014 - 03:17

Dalton Trans., 2014, 43,8094-8101
DOI: 10.1039/C4DT00430B, PaperYuanfeng Liu, Alexander Page, Pranati Sahoo, Hang Chi, Ctirad Uher, Pierre F. P. Poudeu
Coherent full-Heusler nanoinclusions embedded in a heavily-doped half-Heusler matrix induced a large reduction in the thermal conductivity with constant power factor.
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A platinum(II) complex bearing deprotonated 2-(diphenylphosphino)benzoic acid for superior phosphorescence of monomers

12 May, 2014 - 03:17

Dalton Trans., 2014, 43,7704-7707
DOI: 10.1039/C4DT00417E, CommunicationBin Zhang, Lina Zhang, Chunmei Liu, Yanyan Zhu, Mingsheng Tang, Chenxia Du, Maoping Song
The (ppy)-based Pt(II) complex (Pt-1) with 2-(diphenylphosphino)benzoic acid as an ancillary ligand displays monomeric phosphorescence with a remarkably high performance.
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Synthesis, structural characterization, and some properties of 2-acylmethyl-6-ester group-difunctionalized pyridine-containing iron complexes related to the active site of [Fe]-hydrogenase

12 May, 2014 - 03:17

Dalton Trans., 2014, 43,8062-8071
DOI: 10.1039/C4DT00335G, PaperLi-Cheng Song, Fu-Qiang Hu, Miao-Miao Wang, Zhao-Jun Xie, Kai-Kai Xu, Hai-Bin Song
The first four acylmethyl/ester group-disubstituted pyridine-containing models for [Fe]-hydrogenase have been synthesized and crystallographically characterized.
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Solvent-free synthesis of new metal phosphite-oxalates with open-framework structures

12 May, 2014 - 03:17

Dalton Trans., 2014, 43,7695-7698
DOI: 10.1039/C4DT00202D, CommunicationLin Liu, Daibing Luo, Defu Li, Zhien Lin
Two open-framework metal phosphite-oxalates with diamondoid and pillared-layered structures have been synthesized under solvent-free conditions.
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Limiting nuclearity in formation of polynuclear metal complexes through [2 + 3] cycloaddition: synthesis and magnetic properties of tri- and pentanuclear metal complexes

12 May, 2014 - 03:17

Dalton Trans., 2014, 43,8083-8093
DOI: 10.1039/C4DT00378K, PaperManideepa Saha, Rajendar Nasani, Mriganka Das, Arup Mahata, Biswarup Pathak, Shaikh M. Mobin, Luca M. Carrella, Eva Rentschler, Suman Mukhopadhyay
The cycloaddition reaction between [Ni(L)(N3)] and different organonitriles afforded tetrazolate bridged tri- and pentanuclear nickel(II) complexes.
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Grafting of a rhenium-oxo complex on Schiff base functionalized graphene oxide: an efficient catalyst for the oxidation of amines

8 May, 2014 - 02:17

Dalton Trans., 2014, 43,8054-8061
DOI: 10.1039/C3DT53421A, PaperPraveen K. Khatri, Shivani Choudhary, Raghuvir Singh, Suman L. Jain, Om P. Khatri
A rhenium-oxo complex such as methyltrioxorhenium (MTO) has been homogeneously immobilized on a Schiff base modified graphene oxide (GrO) support via covalent bonding.
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