Dalton Transactions

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Phosphinimine-Substituted Boranes and Borenium Ions

14 hours 1 min ago
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02406K, PaperMichael Holthausen, Ian Mallov, Douglas W Stephan
The phosphinimines R3PNSiMe3 (R = t-Bu: 1a, R = Cy: 1b, R = Et: 1c, R = Ph: 1d) are reacted with a series of chloro and fluoroboranes (9Cl-9-BBN, (C6F5)2BCl,...
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Structure and photoluminescence of silver(I) trinuclear halopyrazolato complexes

14 hours 1 min ago
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01978D, PaperYui Morishima, David James Young, Kiyoshi Fujisawa
Five halogen substituted pyrazolates, 4-chloro-3,5-diisopropylpyrazole (4-Cl-3,5-iPr2pzH), 4-bromo-3,5-diisopropylpyrazole (4-Br-3,5-iPr2pzH), 4-iodo-3,5-diisopropylpyrazole (4-I-3,5-iPr2pzH), 4-chloro-3,5-diphenylpyrazole (4-Cl-3,5-Ph2pzH), and 4-bromo-3,5-diphenylpyrazole (4-Br-3,5-Ph2pzH) were conveniently prepared by halogenation of the appropriate pyrazoles with N-halosuccinimides (NXS) (X = Cl,...
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Manganese(I) Templates for the Construction of Benzannulated Triphosphamacrocycles

14 hours 1 min ago
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02203C, PaperPaul David Newman, Peter G Edwards, Mary F Mahon, Wenjian Zhang, Elisenda Reixach
Nine-membered 1,4,7-triphosphamacrocycles with unsaturated benzo-backbones have been prepared using the [(CO)3Mn]+ unit as a template. Two synthetic methods have been employed for the macrocyclisation both of which involve the attack...
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Expanded ring N-heterocyclic carbene adducts of group 15 element trichlorides: synthesis and reduction studies

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Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02074J, PaperAnastas Sidiropoulos, Brooke Osborne, Alexandr N. Simonov, Deepak Dange, Alan M. Bond, Andreas Stasch, Cameron Jones
Adducts of an expanded ring N-heterocyclic carbene (6-Dip) with ECl3 (E = P, As or Sb) have been prepared, and the reduction of one, [(6-Dip)PCl3], is shown to give an unusual tetraphosphorus dicationic complex.
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Synthesis and characterisation of zirconium complexes for cell tracking with Zr-89 by positron emission tomography

14 hours 1 min ago

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01928H, PaperTrevor J. Ferris, Putthiporn Charoenphun, Levente K. Meszaros, Gregory E. D. Mullen, Philip J. Blower, Michael J. Went
Preparation of Zr(IV) complexes containing monobasic bidentate ligands under radiopharmaceutical conditions has been evaluated. 89Zr(oxinate)4 is the most promising candidate for cell tracking.
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Theoretical insights into the reductive metabolism of CCl4 by cytochrome P450 enzymes and the CCl4-dependent suicidal inactivation of P450

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Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02065K, PaperXiao-Xi Li, Qing-Chuan Zheng, Yong Wang, Hong-Xing Zhang
The one-electron reduction product, [radical dot]CCl3, irreversibly inactivates P450 via covalently binding to the meso-carbon, whereas the two successive one-electron reductions product, :CCl2, reversibly inhibits P450 by coordinating to iron.
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Dinuclear [{(p-cym)RuCl}2([small mu ]-phpy)](PF6)2 and heterodinuclear [(ppy)2Ir([small mu ]-phpy)Ru(p-cym)Cl](PF6)2 complexes: synthesis, structure and anticancer activity

14 hours 1 min ago

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01033G, CommunicationSuman Kumar Tripathy, Umasankar De, Niranjan Dehury, Satyanarayan Pal, Hyung Sik Kim, Srikanta Patra
Heterodinuclear Ir-Ru (2) with polypyridyl based phpy ligand shows autophagy induced cell death, whereas homodinuclear Ru-Ru (1) is inactive.
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Mononuclear complexes of amide-based ligands containing appended functional groups: role of secondary coordination spheres on catalysis

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Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02079K, PaperDeepak Bansal, Gulshan Kumar, Geeta Hundal, Rajeev Gupta
Coordination complexes of amide-based ligands with appended heterocyclic rings create a hydrogen bonding cavity that effectively binds the substrate(s). Such cavity-based complexes function as reusable and heterogeneous catalysts for various organic transformations.
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Partial alkali-metal ion extraction from K0.8(Li0.27Ti1.73)O4 using PTFE as an extraction reagent

14 hours 1 min ago

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01869A, PaperTadashi C. Ozawa, Takayoshi Sasaki
53% of interlayer K+ and 10% of intralayer Li+ were extracted from K0.8(Li0.27Ti1.73)O4 by the reaction with PTFE.
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Au@TiO2 double-shelled octahedral nanocages with improved catalytic properties

14 hours 1 min ago

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02245A, PaperXiaoming Lv, Yihua Zhu, Hongliang Jiang, Hua Zhong, Xiaoling Yang, Chunzhong Li
The gold@titanium dioxide octahedral nanocages (Au@TiO2) with a well-defined double-shelled structure with Au as the internal shell and TiO2 as the external shell exhibit excellent and stable activity for the catalytic reduction of 4-nitrophenol.
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Synthesis, crystal structures and magnetic behaviour of four coordination compounds constructed with a phosphinic amide-TEMPO radical and [M(hfac)2] (M = CuII, CoII and MnII)

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Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01444H, PaperSamira G. Reis, Miguel A. del Aguila-Sanchez, Guilherme P. Guedes, Glaucio B. Ferreira, Miguel A. Novak, Nivaldo L. Speziali, Fernando Lopez-Ortiz, Maria G. F. Vaz
The reaction of a phosphinic amide TEMPO radical with [M(hfac)2] complexes provides discrete or 1D molecular magnetic compounds.
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N-Benzoylbenzamidinate complexes of aluminium: highly efficient initiators for the ring-opening polymerization of [varepsilon]-caprolactone

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Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02026J, PaperK. Bakthavachalam, Ashwene Rajagopal, N. Dastagiri Reddy
Mono and bis-chelate N-benzoylbenzamidinate aluminium complexes are found to be highly active initiators for polymerization of [varepsilon]-caprolactone and cyclohexene oxide.
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A high-performance reduced graphene oxide/ZnCo layered double hydroxide electrocatalyst for efficient water oxidation

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Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01924E, PaperDi Tang, Yuzhi Han, Wenbin Ji, Shi Qiao, Xin Zhou, Ruihua Liu, Xiao Han, Hui Huang, Yang Liu, Zhenhui Kang
Tailoring high performance, stable, and earth-abundant electrocatalysts for water oxidation is of fundamental importance for the development of promising energy conversion and storage technologies.
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Femtosecond spectroscopy and TD-DFT calculations of CuCl42- excited states

14 hours 1 min ago

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01409J, PaperElena N. Golubeva, Ekaterina M. Zubanova, Michail Ya. Melnikov, Fedor E. Gostev, Ivan V. Shelaev, Victor A. Nadtochenko
Photoinduced processes of tetrahexylammonium tetrachlorocuprate [(C6H13)4N]2CuIICl4 in chloro-organic solvents were investigated by steady state photolysis and femtosecond transient absorption spectroscopy, as well as TD-DFT calculations of excited terms.
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Titanium and zirconium complexes of the N,N[prime or minute]-bis(2,6-diisopropylphenyl)-1,4-diaza-butadiene ligand: syntheses, structures and uses in catalytic hydrosilylation reactions

14 hours 1 min ago

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02013H, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Srinivas Anga, Kishor Naktode, Harinath Adimulam, Tarun K. Panda
Various Ti and Zr complexes with Dipp2DAD ligand and their alkyl derivatives are obtained via salt metathesis reaction and catalytic hydrosilylation reactions by Zr alkyl complex are reported.
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Thermal structural characterization of the acentric layered perovskite LiHSrTa2O7: X-ray and neutron diffraction, SHG and Raman experiments

14 hours 1 min ago

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01723D, PaperCyrille Galven, Denis Mounier, Thierry Pagnier, Emmanuelle Suard, Francoise Le Berre, Marie-Pierre Crosnier-Lopez
LiHSrTa2O7 undergoes a reversible structural transition from an orthorhombic to a tetragonal symmetry around 200 [degree]C. This transition, from acentric to centric space group, is revealed especially by the vanishing of the SHG signal.
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Na-doped Ni-rich LiNi0.5Co0.2Mn0.3O2 cathode material with both high rate capability and high tap density for lithium ion batteries

14 hours 1 min ago

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01611D, PaperWeibo Hua, Jibin Zhang, Zhuo Zheng, Wenyuan Liu, Xihao Peng, Xiao-Dong Guo, Benhe Zhong, Yan-Jie Wang, Xinlong Wang
An as-prepared Na-doped Ni-rich LiNi0.5Co0.2Mn0.3O2 cathode material, Li0.97Na0.03Ni0.5Co0.2Mn0.3O2, successfully shows both high rate capability and high tap density.
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Assembly of symmetrical and unsymmetrical platinum(II) rollover complexes with bidentate phosphine ligands

14 hours 1 min ago

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02080D, PaperLuca Maidich, Giuseppina Zuri, Sergio Stoccoro, Maria Agostina Cinellu, Antonio Zucca
The reaction of the cyclometalated rollover complex [Pt(bpy-H)(Me)(DMSO)] (bpy-H = cyclometalated 2,2[prime or minute]-bipyridine) with two diphosphines, dppm (1,1-bis(diphenylphosphino)methane) and dppe (1,2-bis(diphenylphosphino)ethane), was investigated.
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C-H activation and metalation at electrode surfaces: 2,3-dimethyl-1,4-dihydroxybenzene on Pd(pc) and Pd(111) studied by TLE, HREELS and DFT

14 hours 1 min ago

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02137A, PaperAlnald Javier, Ding Li, Juan Cruz, Elizabeth Binamira-Soriaga, Perla B. Balbuena, Manuel P. Soriaga
The electrode-surface C-H activation and metalation of 2,3-dimethyl-1,4-dihydroxybenzene on Pd was investigated by electrochemistry, electron spectroscopy, and density functional theory. At high concentrations, formation of a (5,6-[small eta])-o-phenylene organopalladium surface compound was indicated.
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Role of morphology in the performance of LiFe0.5Mn1.5O4 spinel cathodes for lithium-ion batteries

14 hours 1 min ago

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01809E, PaperM. P. Pico, I. Alvarez-Serrano, M. L. Lopez, M. L. Veiga
Different LiFe0.5Mn1.5O4 spinels are synthesized and characterized structurally and electrochemically to highlight the improvement of electrochemical behaviour with LiMn1.5Fe0.5O4/Li2MnO3 composite.
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