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Mechanistic insights into a novel chromone-appended Cu(II) anticancer drug entity: in vitro binding profile with DNA/RNA substrates and cytotoxic activity against MCF-7 and HepG2 cancer cells

Dalton Transactions - 2 June, 2015 - 05:54

Dalton Trans., 2015, 44,10330-10342
DOI: 10.1039/C5DT00770D, PaperImtiyaz Yousuf, Farukh Arjmand, Sartaj Tabassum, Loic Toupet, Rais Ahmad Khan, Maqsood Ahmad Siddiqui
DNA/RNA binding studies, the MTT assay and ROS generation by complex 1.
The content of this RSS Feed (c) The Royal Society of Chemistry

Titanium pyridonates for the homo- and copolymerization of rac-lactide and [varepsilon]-caprolactone

Dalton Transactions - 2 June, 2015 - 05:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01162K, PaperDamon J. Gilmour, Ruth L. Webster, Mitchell R. Perry, Laurel L. Schafer
A series of titanium pyridonate complexes have been synthesized under very mild reaction conditions from a common precursor, Ti(NMe2)4. These complexes have been explored as initiators for the ring-opening polymerization of rac-lactide and [varepsilon]-caprolactone and have proven to be competitive with leading titanium initiators).
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Single-phased white-light-emitting Ca4(PO4)2O:Ce3+,Eu2+ phosphors based on energy transfer

Dalton Transactions - 2 June, 2015 - 05:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01018G, PaperYonglei Jia, Ran Pang, Haifeng Li, Wenzhi Sun, Jipeng Fu, Lihong Jiang, Su Zhang, Qiang Su, Chengyu Li, Ru-Shi Liu
Based on energy transfer from Ce3+ to Eu2+, a novel white-light-emitting Ca4(PO4)2O:Ce3+,Eu2+ phosphor was obtained.
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Correction: Three bonding modes of bis(2-picolyl)phenylphosphine at iron: isolation of a dinuclear iron complex featuring dearomatized pyridine moieties

Dalton Transactions - 2 June, 2015 - 05:54
Dalton Trans., 2015, 44,10524-10524
DOI: 10.1039/C5DT90093J, CorrectionG. Jin, L. Vendier, Y. Coppel, S. Sabo-Etienne, S. Bontemps
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Fabrication of C-doped WO3 nanoparticle cluster arrays from PS-b-P4VP for room temperature H2 sensing

Dalton Transactions - 2 June, 2015 - 05:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01369K, PaperShu-Juan Liu, Ye Yuan, Sheng-Liang Zheng, Jing-Huai Zhang, You Wang
C-doped WO3 based nanostructures were prepared by employing PS-b-P4VP self-assembled structures as templates and used in studying the room temperature hydrogen response.
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A novel one-dimensional chain built of vanadyl ions and pyrazine-2,5-dicarboxylate

Dalton Transactions - 2 June, 2015 - 05:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01628B, PaperMarianne Lankelma, Jeroen de Boer, Marilena Ferbinteanu, Andre Luis Dantas Ramos, Radu Tanasa, Gadi Rothenberg, Stefania Tanase
Stand in line - a vanadium salt and a pyrazine ligand self-assemble to a linear coordination polymer.
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Structural and magnetic studies on three new mixed metal copper(II) selenites and tellurites

Dalton Transactions - 2 June, 2015 - 05:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01257K, PaperXue-Li Cao, Fang Kong, Zhang-Zhen He, Jiang-Gao Mao
Detailed structural and magnetic property characterizations on three new mixed metal copper(II) selenites or tellurites have been reported.
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Magnetic and magnetocaloric properties of an unusual family of carbonate-panelled [LnIII6ZnII2] cages

Dalton Transactions - 2 June, 2015 - 05:54

Dalton Trans., 2015, 44,10315-10320
DOI: 10.1039/C5DT01240F, PaperWaqas Sethi, Sergio Sanz, Kasper S. Pedersen, Mikkel A. Sorensen, Gary S. Nichol, Giulia Lorusso, Marco Evangelisti, Euan K. Brechin, Stergios Piligkos
The magnetic properties of Ln6Zn2 bicapped octahedra are studied through susceptibility, magnetisation and specific heat measurements.
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2-(2[prime or minute]-Pyridyl)-4,6-diphenylphosphinine versus 2-(2[prime or minute]-pyridyl)-4,6-diphenylpyridine: synthesis and characterization of novel Cr0, Mo0 and W0 carbonyl complexes containing chelating P,N and N,N ligands

Dalton Transactions - 2 June, 2015 - 05:54

Dalton Trans., 2015, 44,10304-10314
DOI: 10.1039/C5DT01261A, PaperIris de Krom, Martin Lutz, Christian Muller
Replacing nitrogen by phosphorus in otherwise similar structures changes the properties of the resulting compounds significantly due to the electronic differences that exist between these heteroatoms.
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A multi-component polyoxometalate and its catalytic performance for CO2 cycloaddition reactions

Dalton Transactions - 2 June, 2015 - 05:54

Dalton Trans., 2015, 44,10152-10155
DOI: 10.1039/C5DT01046B, CommunicationShumin Chen, Ying Liu, Jipeng Guo, Pengzhen Li, Zhiyuan Huo, Pengtao Ma, Jingyang Niu, Jingping Wang
A multi-component polyoxometalate based on earth-abundant elements (NH4)10[Co8(H2O)10V10Mo23O104(OH)6][middle dot]34.5H2O was obtained, which can prompt the coupling of CO2 with epoxides.
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Ambivalent binding between a radical-based pincer ligand and iron

Dalton Transactions - 2 June, 2015 - 05:54

Dalton Trans., 2015, 44,10516-10523
DOI: 10.1039/C5DT01374G, PaperKatie L. M. Harriman, Alicea A. Leitch, Sebastian A. Stoian, Fatemah Habib, Jared L. Kneebone, Serge I. Gorelsky, Ilia Korobkov, Serge Desgreniers, Michael L. Neidig, Stephen Hill, Muralee Murugesu, Jaclyn L. Brusso
An inherently redox active pincer-type ligand, 3,5-bis(2-pyridyl)-1,2,4,6-thiatriazinyl (Py2TTA[radical dot]), was employed to isolate Fe(Py2TTA)Cl2.
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Copper malonamide complexes and their use in azide-alkyne cycloaddition reactions

Dalton Transactions - 2 June, 2015 - 05:54

Dalton Trans., 2015, 44,10253-10258
DOI: 10.1039/C5DT01312G, PaperS. J. Bent, M. F. Mahon, R. L. Webster
A series of copper(I) malonamide complexes have been synthesised and their catalytic activity explored in 1,3-dipolar cycloaddition reactions: the first time this ligand motif has been reported in a catalytic transformation.
The content of this RSS Feed (c) The Royal Society of Chemistry

A mechanistic investigation of the ruthenium porphyrin catalysed aziridination of olefins by aryl azides

Dalton Transactions - 2 June, 2015 - 05:54

Dalton Trans., 2015, 44,10479-10489
DOI: 10.1039/C5DT00951K, PaperP. Zardi, A. Pozzoli, F. Ferretti, G. Manca, C. Mealli, E. Gallo
A combination of DFT and kinetic studies suggests a mechanism for olefin aziridination by organic azides catalysed by ruthenium porphyrins.
The content of this RSS Feed (c) The Royal Society of Chemistry

Alkyne substituted mononuclear photocatalysts based on [RuCl(bpy)(tpy)]+

Dalton Transactions - 2 June, 2015 - 05:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01278C, PaperRoss J. Davidson, Lucy E. Wilson, Andrew R. Duckworth, Dmitry S. Yufit, Andrew Beeby, Paul J. Low
The introduction of 'wire-like' arylene ethynylene substituent to the prototypical water oxidation catalyst precursor [RuCl(2,2[prime or minute]-bipyridine)(2,2[prime or minute]:6[prime or minute],2[prime or minute][prime or minute]-terpyridine)]PF6 does not significantly alter the photostability of the compounds, nor the ability of the complexes to oxidise 4-methoxybenzyl alcohol to 4-methoxybenzaldehyde.
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Organotin(IV) based anti-HCV drugs: synthesis, characterization and biochemical activity

Dalton Transactions - 2 June, 2015 - 05:54

Dalton Trans., 2015, 44,10467-10478
DOI: 10.1039/C5DT00862J, PaperFarooq Ali Shah, Shaista Sabir, Kaneez Fatima, Saqib Ali, Ishtiaq Qadri, Corrado Rizzoli
Organotin(IV) compounds are potential anti-HCV agents due to their interaction with RNA and their strong binding constants.
The content of this RSS Feed (c) The Royal Society of Chemistry

Spectroscopic evidence for selenium(IV) dimerization in aqueous solution

Dalton Transactions - 2 June, 2015 - 05:54

Dalton Trans., 2015, 44,10508-10515
DOI: 10.1039/C5DT00730E, PaperJ. Kretzschmar, N. Jordan, E. Brendler, S. Tsushima, C. Franzen, H. Foerstendorf, M. Stockmann, K. Heim, V. Brendler
MP2 predicted IR spectra of different aqueous Se(IV) species revealed features characteristic of the hydrogen selenite dimer, (HSeO3)22-. IR experiments, supported by 77Se NMR spectra, evidenced the existence of this dimeric species.
The content of this RSS Feed (c) The Royal Society of Chemistry

Conduction mechanism, impedance spectroscopic investigation and dielectric behavior of La0.5Ca0.5-xAgxMnO3 manganites with compositions below the concentration limit of silver solubility in perovskites (0 [less-than-or-equal] x [less-than-or-equal] 0.2)

Dalton Transactions - 2 June, 2015 - 05:54

Dalton Trans., 2015, 44,10457-10466
DOI: 10.1039/C5DT00444F, PaperH. Rahmouni, M. Smari, B. Cherif, E. Dhahri, K. Khirouni
This study presents the electrical properties, complex impedance analysis and dielectrical behavior of La0.5Ca0.5-xAgxMnO3 manganites.
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Intramolecular hydrogen bonding stabilizes the nuclearity of complexes. A comparative study based on the H-carborane and Me-carborane framework

Dalton Transactions - 2 June, 2015 - 05:54

Dalton Trans., 2015, 44,10399-10409
DOI: 10.1039/C5DT00305A, PaperMonica Fontanet, Montserrat Rodriguez, Xavier Fontrodona, Isabel Romero, Clara Vinas, Francesc Teixidor
The H- on the adjacent carbon of the carboranylcarboxylate ligand is responsible for intramolecular interactions that stabilize the nuclearity of Cu(II) complexes.
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Highly efficient usage of the hydrothermal technique through the one-pot method to construct four Keggin-based compounds containing pendent ligands

Dalton Transactions - 2 June, 2015 - 05:54

Dalton Trans., 2015, 44,10499-10507
DOI: 10.1039/C5DT00903K, PaperAixiang Tian, Yali Ning, Jun Ying, Juwen Zhang, Xue Hou, Tianjiao Li, Xiuli Wang
By tuning pH from 1.8 to 2.3 in PMo12-Ag-bpz system, mixed compounds 1 and 2 were obtained in one-pot. Through tuning the pH range of PMo12-Ag-btz system to 1.7-2.4, 3 and 4 co-existed.
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Fe3O4@ZIF-8: magnetically recoverable catalysts by loading Fe3O4 nanoparticles inside a zinc imidazolate framework

Dalton Transactions - 2 June, 2015 - 05:54

Dalton Trans., 2015, 44,10136-10140
DOI: 10.1039/C5DT01191D, CommunicationAleksandra Schejn, Thomas Mazet, Veronique Falk, Lavinia Balan, Lionel Aranda, Ghouti Medjahdi, Raphael Schneider
Synthesis and characterization of Fe3O4 nanoparticles encapsulated in ZIF-8 crystals along with their catalytic properties and reusability are presented.
The content of this RSS Feed (c) The Royal Society of Chemistry

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