Dalton Transactions

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Quinoline-2-carboimine copper complex immobilized on amine functionalized silica coated magnetite nanoparticles: a novel and magnetically retrievable catalyst for the synthesis of carbamates via C-H activation of formamides

18 December, 2014 - 10:17

Dalton Trans., 2015, 44,1303-1316
DOI: 10.1039/C4DT03236E, PaperR. K. Sharma, Sriparna Dutta, Shivani Sharma
A novel and magnetically recoverable nanocatalytic system consisting of a magnetic silica based copper complex has been fabricated and applied in the synthesis of carbamates via C-H activation of formamides.
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Actinide selectivity of 1,10-phenanthroline-2,9-dicarboxamide and its derivatives: a theoretical prediction followed by experimental validation

18 December, 2014 - 10:17

Dalton Trans., 2015, 44,1332-1340
DOI: 10.1039/C4DT02402H, PaperDebashree Manna, Soumyaditya Mula, Arunasis Bhattacharyya, Subrata Chattopadhyay, Tapan K. Ghanty
Selectivities of 1,10-phenanthroline based mixed hard and soft donor ligands towards Am(III) over the Eu(III) ion have been predicted theoretically and validated experimentally through synthesis and solvent extraction techniques.
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Influence of the central metal ion in controlling the self-assembly and magnetic properties of 2D coordination polymers derived from [(NiL)2M]2+ nodes (M = Ni, Zn and Cd) (H2L = salen-type di-Schiff base) and dicyanamide spacers

18 December, 2014 - 10:17

Dalton Trans., 2015, 44,1292-1302
DOI: 10.1039/C4DT02823F, PaperLakshmi Kanta Das, Carlos J. Gomez-Garcia, Ashutosh Ghosh
Three new 2D coordination polymers of different networks with significant variation in magnetic properties have been synthesized by changing the central metal in the trinuclear nodes.
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Enhancing [sigma]/[small pi]-type copper(I)thiophene interactions by metal doping (metal = Li, Na, K, Ca, Sc)

18 December, 2014 - 10:17

Dalton Trans., 2015, 44,1283-1291
DOI: 10.1039/C4DT02286F, PaperXiayan Zhang, Xiaoyan Li, Yanli Zeng, Shijun Zheng, Lingpeng Meng
Metal atom doping on thiophene can enhance the Cuthiophene interactions. Enhancement factors are determined by electrostatic potentials of the molecular surface and the electronic configuration of the doping metal.
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Recoverable and recyclable water-soluble sulphonated salicylaldimine Rh(I) complexes for 1-octene hydroformylation in aqueous biphasic media

18 December, 2014 - 10:17

Dalton Trans., 2015, 44,1240-1248
DOI: 10.1039/C4DT02740J, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Leah C. Matsinha, Selwyn F. Mapolie, Gregory S. Smith
A series of water-soluble Rh(I) mononuclear complexes of general formula: [Rh(sulphsal-X-R)(COD)] [sulphsal = sulphonated salicylaldimine, COD = cyclooctadiene; where R = H, Cl, CH3 and X = H, tBu] have been synthesized.
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Gold(I) thiotetrazolates as thioredoxin reductase inhibitors and antiproliferative agents

18 December, 2014 - 10:17

Dalton Trans., 2015, 44,1161-1169
DOI: 10.1039/C4DT03105A, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Tatiyana V. Serebryanskaya, Alexander S. Lyakhov, Ludmila S. Ivashkevich, Julia Schur, Corazon Frias, Aram Prokop, Ingo Ott
Gold(I) complexes with thiotetrazolate ligands are potent TrxR inhibitors with activity in drug resistant Nalm-6 cells.
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Palladium catalyzed asymmetric hydrophosphination of [small alpha],[small beta]- and [small alpha],[small beta],[gamma],[small delta]-unsaturated malonate esters - efficient control of reactivity, stereo- and regio-selectivity

18 December, 2014 - 10:17

Dalton Trans., 2015, 44,1258-1263
DOI: 10.1039/C4DT02673J, PaperXiang-Yuan Yang, Jun Hao Gan, Yongxin Li, Sumod A. Pullarkat, Pak-Hing Leung
A judicious choice of palladium catalysts and conditions afforded the hydrophosphination product in >99% regioselectivity (1,4- vs. 1,6-addition).
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Molecular insights into the selective action of a magnetically removable complexone-grafted adsorbent

18 December, 2014 - 10:17

Dalton Trans., 2015, 44,1273-1282
DOI: 10.1039/C4DT03096F, PaperElizabeth Polido Legaria, Seda Demirel Topel, Vadim G. Kessler, Gulaim A. Seisenbaeva
The IDA-RE3+ complexation of RE3+ on the surface of a hybrid silica adsorbent occurs under neutral or weakly acidic conditions apparently not via chelation but via the concerted action of the negatively charged carboxylate oxygen atoms, opening the possibility for enhanced selectivity.
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Slow magnetic relaxation mechanisms in erbium SIMs

18 December, 2014 - 10:17

Dalton Trans., 2015, 44,1264-1272
DOI: 10.1039/C4DT02767A, PaperM. Ramos Silva, P. Martin-Ramos, J. T. Coutinho, L. C. J. Pereira, V. Lavin, I. R. Martin, P. S. Pereira Silva, J. Martin-Gil
The magnetic properties of two similar Er3+ complexes have been investigated.
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Heterojunction engineering of graphitic carbon nitride (g-C3N4) via Pt loading with improved daylight-induced photocatalytic reduction of carbon dioxide to methane

18 December, 2014 - 10:17

Dalton Trans., 2015, 44,1249-1257
DOI: 10.1039/C4DT02940B, PaperWee-Jun Ong, Lling-Lling Tan, Siang-Piao Chai, Siek-Ting Yong
The Pt-loaded g-C3N4 demonstrated high visible-light photoactivity of CO2 reduction to CH4, which was attributed to the efficient interfacial electron transfer from g-C3N4 to Pt.
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Argentivorous molecules bearing three aromatic side arms: synthesis of triple-armed cyclens and their complexing property towards Ag+

18 December, 2014 - 10:17

Dalton Trans., 2015, 44,1170-1177
DOI: 10.1039/C4DT02954B, PaperYoichi Habata, Juli Kizaki, Yasuhiro Hosoi, Mari Ikeda, Shunsuke Kuwahara
Triple-armed cyclens bearing three aromatic side-arms were prepared, and the Ag+-ion-induced 1H NMR and UV-vis spectral changes and X-ray structures suggested that the new armed cyclens behave like an insectivorous plant (Venus flytrap).
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Templating an N-heterocyclic carbene (NHC)-cyclometalated Cp*IrIII-based oxidation precatalyst on a pendant coordination platform: assessment of the oxidative behavior via electrochemical, spectroscopic and catalytic probes

18 December, 2014 - 10:17

Dalton Trans., 2015, 44,1233-1239
DOI: 10.1039/C4DT03161J, PaperSuraj K. Gupta, Joyanta Choudhury
The Cp*IrIII(NHC)-based precatalyst does not compromise on its efficiency in catalytic C-H oxidation activity when templated on a coordination platform.
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Oxidovanadium(IV) and dioxidovanadium(V) complexes of hydrazones of 2-benzoylpyridine and their catalytic applications

18 December, 2014 - 10:17

Dalton Trans., 2015, 44,1211-1232
DOI: 10.1039/C4DT02474E, PaperMannar R. Maurya, Nikita Chaudhary, Fernando Avecilla, Pedro Adao, Joao Costa Pessoa
VV-polymer-supported compounds, their neat analogues and the corresponding peroxido-complexes are prepared and applied as catalyst precursors for the oxidation of isoeugenol.
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Intercalation of lanthanide cations to a layer-like metal-organic framework for color tunable white light emission

18 December, 2014 - 10:17

Dalton Trans., 2015, 44,1178-1185
DOI: 10.1039/C4DT02714K, PaperXiao-Yu Xu, Bing Yan
MIL-124 has been synthesized by solvothermal approach, and the luminescence was tuned by doping Ln3+ into the channels. With adjustment of the excitation wavelength and concentration of Ln3+, dichromatic (MIL-124@Eu3+) and trichromatic (MIL-124@Eu3+/Tb3+) white-light-emission can be achieved.
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Ancillary ligand assisted self-assembly of coordination architectures of Mn(II): the effect of the N-alkyl group on a tridentate ligand

18 December, 2014 - 10:17

Dalton Trans., 2015, 44,1203-1210
DOI: 10.1039/C4DT03005B, PaperSadhika Khullar, Sanjay K. Mandal
For the first time it is shown that a subtle change in the N-alkyl group (methyl or ethyl) of a tridentate ancillary ligand, bis(2-pyridylmethyl)alkylamine, is responsible for the diversity of product formation under similar conditions. Through their water vapor adsorption study, a structure-property correlation is established.
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La1-xLnxH(O3PCH3)2 (Ln = Tb, Eu; 0 < x [less-than-or-equal] 1): an organic-inorganic hybrid with lanthanide chains and tunable luminescence properties

18 December, 2014 - 10:17

Dalton Trans., 2015, 44,1186-1192
DOI: 10.1039/C4DT02643H, PaperB. Mutelet, S. Boudin, O. Perez, J. M. Rueff, C. Labbe, P. A. Jaffres
La1-xLnxH(O3PCH3)2 (0 < x [less-than-or-equal] 1; Ln = Eu, Tb) is a red, blue to green, cyan to green or white phosphor.
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Acidity enhancement of unsaturated bases of group 15 by association with borane and beryllium dihydride. Unexpected boron and beryllium Bronsted acids

18 December, 2014 - 10:17

Dalton Trans., 2015, 44,1193-1202
DOI: 10.1039/C4DT02292K, PaperAna Martin-Somer, Otilia Mo, Manuel Yanez, Jean-Claude Guillemin
BeH2 and BH3 association with unsaturated bases of group 15 increases their acidity and changes the trend. Ethynyl : BeH2 complexes unexpectedly behave as Be acids.
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The reaction of an iridium PNP complex with parahydrogen facilitates polarisation transfer without chemical change

18 December, 2014 - 10:17

Dalton Trans., 2015, 44,1077-1083
DOI: 10.1039/C4DT03088E, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Arthur J. Holmes, Peter J. Rayner, Michael J. Cowley, Gary G. R. Green, Adrian C. Whitwood, Simon B. Duckett
The pincer complex [(C5H3N(CH2P(tBu)2)2)Ir(H)2(py)]BF4 is shown to be active for signal amplification by reversible exchange.
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A multi-step mechanism and integrity of titanate nanoribbons

18 December, 2014 - 10:17

Dalton Trans., 2015, 44,1150-1160
DOI: 10.1039/C4DT02573C, PaperVanessa Bellat, Remi Chassagnon, Olivier Heintz, Lucien Saviot, David Vandroux, Nadine Millot
Using TEM and EFTEM, we showed that titanate nanoribbons are made of an assembly of smaller ribbons juxtaposed and piled up on one another. We also studied their morphological, structural and chemical characteristics using XRD, Raman and XPS. New insights were obtained regarding their forming mechanism and structural integrity.
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Synthesis, structures and electrochemical and photophysical properties of anilido-benzoxazole boron difluoride (ABB) complexes

18 December, 2014 - 10:17

Dalton Trans., 2015, 44,1120-1129
DOI: 10.1039/C4DT03052D, PaperYedukondalu Meesala, Veerababurao Kavala, Hao-Ching Chang, Ting-Shen Kuo, Ching-Fa Yao, Way-Zen Lee
Four-ring-fused anilido-benzoxazole boron difluoride (ABB) dyes were synthesized, and exhibited very bright luminescence in solution ([capital Phi]f = 0.45-0.96 in CH2Cl2) and in the solid-state ([capital Phi]f = 0.07-0.37).
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