Dalton Transactions

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Experimental and theoretical insights into the oxodiperoxomolybdenum-catalysed sulphide oxidation using hydrogen peroxide in ionic liquids

21 August, 2014 - 04:54

Dalton Trans., 2014, 43,13711-13730
DOI: 10.1039/C4DT01733A, PaperCarlos J. Carrasco, Francisco Montilla, Eleuterio Alvarez, Carlo Mealli, Gabriele Manca, Agustin Galindo
Mo-catalysed sulphide oxidation with H2O2 in [C4mim][PF6] was investigated. Efficient catalyst recycling was verified, while DFT calculations rationalized the selective formation of sulfoxide as a function of catalyst/reaction conditions.
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New Ru(II)/Os(II)-polypyridyl complexes for coupling to TiO2 surfaces through acetylacetone functionality and studies on interfacial electron-transfer dynamics

21 August, 2014 - 04:54

Dalton Trans., 2014, 43,13601-13611
DOI: 10.1039/C4DT01571A, PaperTanmay Banerjee, Abul Kalam Biswas, Tuhin Subhra Sahu, Bishwajit Ganguly, Amitava Das, Hirendra Nath Ghosh
Extremely fast electron injection rates are observed with newly synthesized acac bound Ru(II)-/Os(II)-polypyridyl dyes.
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Fabrication of Fe3O4@SiO2@TiO2 nanoparticles supported by graphene oxide sheets for the repeated adsorption and photocatalytic degradation of rhodamine B under UV irradiation

21 August, 2014 - 04:54

Dalton Trans., 2014, 43,13537-13544
DOI: 10.1039/C4DT01702A, PaperFenghua Chen, Fufeng Yan, Qingtao Chen, Yongwei Wang, Lifeng Han, Zhijun Chen, Shaoming Fang
Fe3O4@SiO2@TiO2/graphene oxide was synthesized for the first time for the repeated use in simultaneous adsorption and photocatalytic degradation of aromatically structured pollutants.
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Investigation of the formation process of zeolite-like 3D frameworks constructed with [varepsilon]-Keggin-type polyoxovanadomolybdates with binding bismuth ions and preparation of a nano-crystal

21 August, 2014 - 04:54

Dalton Trans., 2014, 43,13584-13590
DOI: 10.1039/C4DT01227E, PaperZhenxin Zhang, Masahiro Sadakane, Toru Murayama, Wataru Ueda
An [varepsilon]-Keggin POM forms together with a ball-shaped POM, {Mo72V30}. The [varepsilon]-Keggin POM assembles with BiIII ions to form microporous Mo-V-Bi oxide. Nanometer-sized Mo-V-Bi oxide can be obtained.
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Anion controlled structural and magnetic diversity in unusual mixed-bridged polynuclear NiII complexes with a versatile bis(2-methoxy phenol)diamine hexadentate ligand. An experimental and theoretical magneto-structural study

21 August, 2014 - 04:54

Dalton Trans., 2014, 43,13509-13524
DOI: 10.1039/C4DT01253D, PaperLuis Botana, Jose Ruiz, Antonio J. Mota, Antonio Rodriguez-Dieguez, Jose M. Seco, Itziar Oyarzabal, Enrique Colacio
Six new polynuclear NiII complexes with uncommon structures have been magneto-structural studied.
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Designed synthesis of CO2-promoted copper(II) coordination polymers: synthesis, structural and spectroscopic characterization, and studies of versatile functional properties

21 August, 2014 - 04:54

Dalton Trans., 2014, 43,13500-13508
DOI: 10.1039/C4DT00183D, PaperPritam Ghosh, Additi Roychowdhury, Montserrat Corbella, Asim Bhaumik, Partha Mitra, Shaikh M. Mobin, Ayan Mukherjee, Soumen Basu, Priyabrata Banerjee
A series of CO2-promoted Cu(II) coordination polymers in different coordination environments has been synthesized.
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A kinetico-mechanistic study on the C-H bond activation of primary benzylamines; cooperative and solid-state cyclopalladation on dimeric complexes

21 August, 2014 - 04:54

Dalton Trans., 2014, 43,13525-13536
DOI: 10.1039/C4DT01463D, PaperHelena Font, Merce Font-Bardia, Kerman Gomez, Gabriel Gonzalez, Jaume Granell, Israel Macho, Manuel Martinez
Kinetico-mechanistic studies indicate that dinuclear acetato bridged derivatives are excellent starting materials to activate carbon-hydrogen bonds in a facile way.
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BR2BodPR2: highly fluorescent alternatives to PPh3 and PhPCy2

21 August, 2014 - 04:54

Dalton Trans., 2014, 43,13485-13499
DOI: 10.1039/C4DT00704B, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Laura H. Davies, Ross W. Harrington, William Clegg, Lee J. Higham
The syntheses of highly fluorescent analogues of PPh3 and PhPCy2 based on the Bodipy chromophore are described.
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Direct oxidative esterification of alcohols

21 August, 2014 - 04:54

Dalton Trans., 2014, 43,13460-13470
DOI: 10.1039/C4DT01133C, PerspectiveShan Tang, Jiwen Yuan, Chao Liu, Aiwen Lei
Recent progress in the direct esterification of alcohols from readily available materials under oxidative conditions is discussed in this perspective.
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Eu@COK-16, a host sensitized, hybrid luminescent metal-organic framework

21 August, 2014 - 04:54

Dalton Trans., 2014, 43,13480-13484
DOI: 10.1039/C4DT00899E, PaperD. Mustafa, I. G. N. Silva, S. R. Bajpe, J. A. Martens, C. E. A. Kirschhock, E. Breynaert, H. F. Brito
Host sensitized Eu@COK-16 demonstrates a novel strategy for material design combining the advantages of luminescent MOFs with those of luminescent host-guest materials.
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Anion-controlled self-assembly of two NLO-active dinuclear and molecular square Cu(II) enantiomeric pairs: from antiferromagnetic to ferromagnetic coupling

19 August, 2014 - 04:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01671H, CommunicationXi-Li Li, Jia-Long Kang, Xue-Li Zhang, Hong-Ping Xiao, Ai-Ling Wang, Liming Zhou, Shao-Ming Fang, Cai-Ming Liu
Two dinuclear and molecular square Cu(II) enantiomeric pairs were obtained, and their magnetic properties are switched from antiferromagnetic to ferromagnetic coupling.
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Loading of PPy on the surface of transition metal coordination polymer modified polyoxometalate (TMCP/POM): a feasible strategy to obtain visible light active and high quantum yields POM based photocatalyst

19 August, 2014 - 04:17

Dalton Trans., 2014, 43,13424-13433
DOI: 10.1039/C4DT01279H, PaperXinxin Xu, Xin Gao, Zhongping Cui, Xiaoxia Liu, Xia Zhang
PPy loaded TMCP/POM composite materials were fabricated successfully and display better photocatalytic activity than TMCP/POM under visible light irradiation.
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Linking Cr3 triangles through phosphonates and lanthanides: synthetic, structural, magnetic and EPR studies

19 August, 2014 - 04:17

Dalton Trans., 2014, 43,13242-13249
DOI: 10.1039/C4DT01264J, PaperKarzan H. Zangana, Eufemio Moreno Pineda, Inigo J. Vitorica-Yrezabal, Eric J. L. McInnes, Richard E. P. Winpenny
Reaction of oxo-centered Cr(III) triangles with a lanthanide salt and t-butylphosphonate leads to {Cr6Ln2} compounds. Magnetic and EPR studies show the ground state of the individual Cr triangles is S = 3/2 with little communication between them.
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1,1-Olefin-bridged bis-(2-indenyl) metallocenes of titanium and zirconium

19 August, 2014 - 04:17

Dalton Trans., 2014, 43,13219-13231
DOI: 10.1039/C4DT01583E, PaperJason G. M. Morton, Haif Al-Shammari, Yunshan Sun, Jiangtao Zhu, Douglas W. Stephan
Tetrasubstituted alkenes bearing geminal 2-indenyl substituents were synthesized and metallated to form a new class of ansa titanium and zirconium metallocene complexes containing a single sp2-hybridized carbon bridge.
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Synthesis of a poly-pendant 1-D chain based on 'trans-vanadium' bicapped, Keggin-type vanadtungstate and its photocatalytic properties

19 August, 2014 - 04:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01575D, PaperQing Lan, Zhi-Ming Zhang, Yang-Guang Li, Ying Lu, En-Bo Wang
A vanadtungstate cluster-based organic-inorganic hybrid material [NiL4VIVWVI10WV2O40(VIVO)2] was synthesized, which not only serves as an active photocatalyst for the degradation of dye molecules, but also exhibits selective photocatalytic degradation of cationic dyes in aqueous solution.
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Copper-catalyzed hydrophosphinations of styrenes in water at room temperature

19 August, 2014 - 04:17

Dalton Trans., 2014, 43,13196-13200
DOI: 10.1039/C4DT00993B, PaperNicholas A. Isley, Roscoe T. H. Linstadt, Eric D. Slack, Bruce H. Lipshutz
Copper-catalyzed hydrophosphinations of styrenyl systems in water, at room temperature is herein reported, enabled by our 'designer' surfactant TPGS-750-M.
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Preparation and properties of a calcium(II)-based molecular chain decorated with manganese(II) butterfly-like complexes

19 August, 2014 - 04:17

Dalton Trans., 2014, 43,13349-13357
DOI: 10.1039/C4DT01518E, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.A. C. Benniston, S. Melnic, C. Turta, A. B. Arauzo, J. Bartolome, E. Bartolome, R. W. Harrington, M. R. Probert
The room temperature reaction of [Mn2O2(bipy)4](ClO4)3 (bipy = 2,2[prime or minute]-bipyridine) with Ca(CHCl2COO)2 in methanol produced a yellow crystalline material.
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Mono- and bimetallic Ir(III) based catalysts for the homogeneous photocatalytic reduction of CO2 under visible light irradiation. New insights into catalyst deactivation

19 August, 2014 - 04:17

Dalton Trans., 2014, 43,13259-13269
DOI: 10.1039/C4DT01717J, PaperRichard O. Reithmeier, Simon Meister, Bernhard Rieger, Armin Siebel, Martin Tschurl, Ulrich Heiz, Eberhardt Herdtweck
The photocatalytic performance for the reduction of CO2 as well as deactivation pathways of novel mono- and bimetallic Ir(III) based catalysts are outlined.
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New mono- and diethynylsiloxysilsesquioxanes - efficient procedures for their synthesis

19 August, 2014 - 04:17

Dalton Trans., 2014, 43,13201-13207
DOI: 10.1039/C4DT01950D, PaperBeata Dudziec, Monika Rzonsowska, Bogdan Marciniec, Dariusz Brzakalski, Bartosz Wozniak
An elegant method for synthesis of a series of new mono- and diethynylsiloxysilsesquioxanes is presented. These compounds are formed via an efficient and highly selective one-pot process from silsesquioxanes with reactive Si-OH groups based on sequential condensation, hydrolysis, chlorination and substitution reactions.
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Remarkable luminescence enhancement of chloroplatinum(II) complexes of hexaethylene glycol methyl ether substituted 2,6-bis(benzimidazol-2[prime or minute]-yl)pyridine in water triggered by PF6-

19 August, 2014 - 04:17

Dalton Trans., 2014, 43,13174-13177
DOI: 10.1039/C4DT01243G, CommunicationJianjun Liang, Xiaorui Zheng, Lipeng He, Huanting Huang, Weifeng Bu
Upon addition of hexafluorophosphate salts, the nonemissive aqueous solution of a chloroplatinum(II) complex showed a remarkable luminescence enhancement.
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