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Characterisation and application of ultra-high spin clusters as magnetic resonance relaxation agents

Dalton Transactions - 5 March, 2015 - 06:54

Dalton Trans., 2015, 44,5032-5040
DOI: 10.1039/C4DT02916J, PaperGisela Guthausen, Julyana R. Machado, Burkhard Luy, Amer Baniodeh, Annie K. Powell, Steffen Kramer, Florian Ranzinger, Maria P. Herrling, Susanne Lackner, Harald Horn
Highly paramagnetic coordination clusters with a {Fe10Ln10} core are used as NMR relaxation agents with a first application in a biofilm study.
The content of this RSS Feed (c) The Royal Society of Chemistry

Te-Te and Te-C bond cleavage reactions using a monovalent gallanediyl

Dalton Transactions - 5 March, 2015 - 06:54

Dalton Trans., 2015, 44,5153-5159
DOI: 10.1039/C5DT00172B, PaperChelladurai Ganesamoorthy, Georg Bendt, Dieter Blaser, Christoph Wolper, Stephan Schulz
Te-Te and Te-C bond cleavage occurs in reactions of monovalent LGa (L = [(2,6-i-Pr2-C6H3)NC(Me)]2CH) with Te, Ph2Te2 and i-Pr2Te. (LGa-[small mu ]-Te)21, LGa(TePh)22 and LGa(i-Pr)Tei-Pr 3 were characterized by heteronuclear NMR (1H, 13C, 125Te) and IR spectroscopy and by single crystal X-ray analyses.
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Electrocatalytic proton reduction catalysed by the low-valent tetrairon-oxo cluster [Fe4(CO)10([small kappa]2-dppn)([small mu ]4-O)]2- [dppn = 1,1[prime or minute]-bis(diphenylphosphino)naphthalene]

Dalton Transactions - 5 March, 2015 - 06:54

Dalton Trans., 2015, 44,5160-5169
DOI: 10.1039/C4DT03323J, PaperShishir Ghosh, Katherine B. Holt, Shariff E. Kabir, Michael G. Richmond, Graeme Hogarth
[Fe4(CO)10([small kappa]2-dppn)([small mu ]4-O)]2- reduces protons and DFT calculations support the sequential formation of hydride and dihydrogen ligands at the unique iron centre.
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Correlation of crystal structure and microwave dielectric properties of Nd1.02(Nb1-xTax)0.988O4 ceramic

Dalton Transactions - 5 March, 2015 - 06:54

Dalton Trans., 2015, 44,5053-5057
DOI: 10.1039/C5DT00020C, CommunicationPing Zhang, Yonggui Zhao, Jian Liu, Zhenkun Song, Mi Xiao, Xiuyu Wang
We discussed the correlation of crystal structure and microwave dielectric properties for NdNbO4 which forms a monoclinic fergusonite structure.
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Metal ion-assisted ring-opening of a quinazoline-based chemosensor: detection of copper(II) in aqueous media

Dalton Transactions - 5 March, 2015 - 06:54

Dalton Trans., 2015, 44,5191-5196
DOI: 10.1039/C4DT03791J, PaperWei Cao, Xiang-Jun Zheng, De-Cai Fang, Lin-Pei Jin
A fluorescence chemosensor for Cu(II) in aqueous media was synthesized. The experiments and theoretical calculations confirmed that the Cu(II) ion assisted the ring-opening of the quinazoline derivative, forming a Cu(II) Schiff base during the detection.
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Solvatochromic and application in dye-sensitized solar cells of sandwich-like Cd(II) complexes: supramolecular architectures based on N1,N3-bis[(6-methoxypyridin-2-yl)methylene]benzene-1,3-diamine

Dalton Transactions - 5 March, 2015 - 06:54

Dalton Trans., 2015, 44,5179-5190
DOI: 10.1039/C4DT03856H, PaperXin-Ming Wang, Ping Wang, Rui-Qing Fan, Meng-Ying Xu, Liang-Sheng Qiang, Li-Guo Wei, Yu-Lin Yang, Yu-Lei Wang
Co-sensitizers 1 and 2 exhibited solvatochromism and fluorescence quenching behavior to CH3OH.
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Hafnium silicate: a new microwave dielectric ceramic with low thermal expansivity

Dalton Transactions - 5 March, 2015 - 06:54

Dalton Trans., 2015, 44,5146-5152
DOI: 10.1039/C4DT03367A, PaperJobin Varghese, Tony Joseph, K. P. Surendran, T. P. D. Rajan, M. T. Sebastian
Hafnium silicate: a low thermal expansion microwave ceramic.
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Observed hydrolysis of fluorine substituted bis([small beta]-diketonato)-dichlorotitanium(IV) complexes

Dalton Transactions - 5 March, 2015 - 06:54

Dalton Trans., 2015, 44,5106-5113
DOI: 10.1039/C4DT02614D, PaperA. Kuhn, J. Conradie
Hydrolysis reaction of fluorine substituted Ti([small beta]-diketonato)2Cl2 complexes.
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Influence of the coordination environment on slow magnetic relaxation and photoluminescence behavior in two mononuclear dysprosium(III) based single molecule magnets

Dalton Transactions - 5 March, 2015 - 06:54

Dalton Trans., 2015, 44,5086-5094
DOI: 10.1039/C4DT03620D, PaperAmit Kumar Mondal, Soumyabrata Goswami, Sanjit Konar
Two luminescent mononuclear Dy(III) based complexes with SMM behaviour have been reported. The SMM behaviours differ due to the slight variation of local symmetry around the Dy(III) centers and photoluminescence study showed quantum yields of 0.98 and 1.44%.
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Self-assembly of linear [MnII2MnIII] units with end-on azido bridges: the construction of a ferromagnetic chain using ST = 7 high-spin trimers

Dalton Transactions - 5 March, 2015 - 06:54

Dalton Trans., 2015, 44,5205-5210
DOI: 10.1039/C4DT02533D, PaperYuan Jiang, Lei Qin, Guanghua Li, Ghulam Abbas, Yaqun Cao, Gang Wu, Tian Han, Yan-Zhen Zheng, Shilun Qiu
A ferromagnetic chain based on a [Mn3] ferromagnetic building block is reported.
The content of this RSS Feed (c) The Royal Society of Chemistry

Synthesis, characterisation and antibacterial activity of [(p-cym)RuX(L)]+/2+ (X = Cl, H2O; L = bpmo, bpms) complexes

Dalton Transactions - 5 March, 2015 - 06:54

Dalton Trans., 2015, 44,5114-5124
DOI: 10.1039/C4DT03647F, PaperSuman Kumar Tripathy, Ashoka Chary Taviti, Niranjan Dehury, Anupam Sahoo, Satyanaryan Pal, Tushar Kant Beuria, Srikanta Patra
Simple replacement of Cl- by H2O in {(p-cym)RuII(L)X]n+ (X = Cl or H2O) complexes enhances antibacterial activity significantly.
The content of this RSS Feed (c) The Royal Society of Chemistry

New 1-D and 3-D thiocyanatocadmates modified by various amine molecules and Cl-/CH3COO- ions: synthesis, structural characterization, thermal behavior and photoluminescence properties

Dalton Transactions - 5 March, 2015 - 06:54

Dalton Trans., 2015, 44,5095-5105
DOI: 10.1039/C4DT03799E, PaperBing Guo, Xiao Zhang, Yan-Ning Wang, Jing-Jing Huang, Jie-Hui Yu, Ji-Qing Xu
Reactions of CdCl2/Cd(CH3COO)2, SCN- and various organic amines yielded five new thiocyanatocadmates; structural, thermal and photoluminescence properties are reported.
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A new family of hetero-tri-metallic complexes [M(CuTb)]n (n = 1, 2, [infinity]; M = Co, Cr, Fe): synthesis, structure and tailored single-molecule magnet behavior

Dalton Transactions - 5 March, 2015 - 06:54

Dalton Trans., 2015, 44,5170-5178
DOI: 10.1039/C4DT03757J, PaperN. Bridonneau, G. Gontard, V. Marvaud
The synthesis, structural characterization and magnetic properties of a new family of hetero-tri-metallic complexes [M(CuTb)]n (n = 1, 2, [infinity]; M = Co, Cr, Fe), exhibiting single molecule magnet behaviour have been reported.
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Vanadyl cationic complexes as catalysts in olefin oxidation

Dalton Transactions - 5 March, 2015 - 06:54

Dalton Trans., 2015, 44,5125-5138
DOI: 10.1039/C4DT03174A, PaperCarla D. Nunes, Pedro D. Vaz, Vitor Felix, Luis F. Veiros, Tania Moniz, Maria Rangel, Sara Realista, Ana C. Mourato, Maria Jose Calhorda
The EPR spectrum of a solution of [VO(acac)(BIAN)]Cl containing tbhp and cis-cyclooctene shows the presence of a V(IV) species, suggesting its involvement in the catalytic oxidation of alkenes.
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Stable Mn2+, Cu2+ and Ln3+ complexes with cyclen-based ligands functionalized with picolinate pendant arms

Dalton Transactions - 5 March, 2015 - 06:54

Dalton Trans., 2015, 44,5017-5031
DOI: 10.1039/C4DT02985B, PaperAurora Rodriguez-Rodriguez, Zoltan Garda, Erika Ruscsak, David Esteban-Gomez, Andres de Blas, Teresa Rodriguez-Blas, Luis M. P. Lima, Maryline Beyler, Raphael Tripier, Gyula Tircso, Carlos Platas-Iglesias
Cyclen-based ligands containing two picolinate pendant arms form Gd3+ complexes remarkably stable and inert with respect to metal ion dissociation.
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New AMD3100 derivatives for CXCR4 chemokine receptor targeted molecular imaging studies: synthesis, anti-HIV-1 evaluation and binding affinities

Dalton Transactions - 5 March, 2015 - 06:54

Dalton Trans., 2015, 44,5004-5016
DOI: 10.1039/C4DT02972K, PaperSophie Poty, Pauline Desogere, Christine Goze, Frederic Boschetti, Thomas D'huys, Dominique Schols, Christopher Cawthorne, Stephen J. Archibald, Helmut R. Maecke, Franck Denat
Biscyclam derivatives containing either a BODIPY moiety or a precursor for 18F radiolabelling have been prepared for CXCR4 imaging.
The content of this RSS Feed (c) The Royal Society of Chemistry

Tuning the surface properties of novel ternary iron(III) fluoride-based catalysts using the template effect of the matrix

Dalton Transactions - 5 March, 2015 - 06:54

Dalton Trans., 2015, 44,5076-5085
DOI: 10.1039/C4DT03229B, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Ying Guo, Andreas Lippitz, Paul Saftien, Wolfgang E. S. Unger, Erhard Kemnitz
We tuned the surface properties of ternary iron fluoride catalysts via a template effect of the matrix.
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Terbium-based time-gated Forster resonance energy transfer imaging for evaluating protein-protein interactions on cell membranes

Dalton Transactions - 5 March, 2015 - 06:54

Dalton Trans., 2015, 44,4994-5003
DOI: 10.1039/C4DT02884H, PaperStina Linden, Manish Kumar Singh, K. David Wegner, Marie Regairaz, Francois Dautry, Francois Treussart, Niko Hildebrandt
Time-gated Tb-to-dye FRET imaging for the investigation of E- and N-cadherin expression on different model cell lines.
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Rhodathiaborane reaction cycles driven by C2H4 and H2: synthesis and characterization of [(H)2(PPh3)RhSB8H7(PPh3)] and [([small eta]2-C2H4)(PPh3)RhSB8H7(PPh3)]

Dalton Transactions - 5 March, 2015 - 06:54

Dalton Trans., 2015, 44,5041-5044
DOI: 10.1039/C4DT03677H, CommunicationSusana Luaces, Ramon Macias, Maria Jose Artigas, Fernando J. Lahoz, Luis A. Oro
New 10-vertex rhodathiaboranes are reported to exhibit reversible reaction chemistry leading to the formation of stoichiometric cycles driven by the hydrogenation of the alkene ligand.
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Towards understanding the design of dual-modal MR/fluorescent probes to sense zinc ions

Dalton Transactions - 5 March, 2015 - 06:54

Dalton Trans., 2015, 44,4976-4985
DOI: 10.1039/C4DT02981J, PaperCharlotte Rivas, Graeme J. Stasiuk, Myra Sae-Heng, Nicholas J. Long
A series of new gadolinium complexes have been synthesised to test the design of dual-modal probes that can display a change in fluorescence or relaxivity response upon zinc binding. By an iterative change in parameters of the probes, the compounds give insight into the design protocols required for successful imaging of zinc ions.
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