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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

Dalton Transactions - 12 hours 14 min ago

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.
The content of this RSS Feed (c) The Royal Society of Chemistry

Recoverable and recyclable water-soluble sulphonated salicylaldimine Rh(I) complexes for 1-octene hydroformylation in aqueous biphasic media

Dalton Transactions - 12 hours 14 min ago

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.
The content of this RSS Feed (c) The Royal Society of Chemistry

Gold(I) thiotetrazolates as thioredoxin reductase inhibitors and antiproliferative agents

Dalton Transactions - 12 hours 14 min ago

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.
The content of this RSS Feed (c) The Royal Society of Chemistry

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

Dalton Transactions - 12 hours 14 min ago

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

Dalton Transactions - 12 hours 14 min ago

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

Dalton Transactions - 12 hours 14 min ago

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

Dalton Transactions - 12 hours 14 min ago

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+

Dalton Transactions - 12 hours 14 min ago

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

Dalton Transactions - 12 hours 14 min ago

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

Dalton Transactions - 12 hours 14 min ago

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

Dalton Transactions - 12 hours 14 min ago

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.
The content of this RSS Feed (c) The Royal Society of Chemistry

The reaction of an iridium PNP complex with parahydrogen facilitates polarisation transfer without chemical change

Dalton Transactions - 12 hours 14 min ago

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.
The content of this RSS Feed (c) The Royal Society of Chemistry

A multi-step mechanism and integrity of titanate nanoribbons

Dalton Transactions - 12 hours 14 min ago

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.
The content of this RSS Feed (c) The Royal Society of Chemistry

Synthesis, structures and electrochemical and photophysical properties of anilido-benzoxazole boron difluoride (ABB) complexes

Dalton Transactions - 12 hours 14 min ago

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).
The content of this RSS Feed (c) The Royal Society of Chemistry

Band gap-tunable potassium doped graphitic carbon nitride with enhanced mineralization ability

Dalton Transactions - 12 hours 14 min ago

Dalton Trans., 2015, 44,1084-1092
DOI: 10.1039/C4DT02658F, PaperShaozheng Hu, Fayun Li, Zhiping Fan, Fei Wang, Yanfeng Zhao, Zhenbo Lv
Potassium doped into the g-C3N4 crystal lattice can tune the positions of the CB and VB potentials, influence the structural and optical properties and thus improve the photocatalytic degradation and mineralization ability.
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Synthesis, structure, and magnetism of non-planar heptanuclear lanthanide(III) complexes

Dalton Transactions - 12 hours 14 min ago

Dalton Trans., 2015, 44,1142-1149
DOI: 10.1039/C4DT01603C, PaperJoydeb Goura, James P. S. Walsh, Floriana Tuna, Vadapalli Chandrasekhar
The reaction of 2-methoxy-6-(pyridine-2-yl-hydrazonomethyl) phenol (LH) with lanthanide(III) salts (Gd, Tb, Dy, Ho and Er) in the presence of an excess of triethylamine afforded a series of non-planar heptanuclear homometallic complexes. The Gd(III) analogue shows good MCE behaviour (-[capital Delta]Sm(T) = 27.7 J kg-1 K-1 at 3 K over 0-7 T).
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Structural diversity of five new bitriazole-based complexes: luminescence, sorption, and magnetic properties

Dalton Transactions - 12 hours 14 min ago

Dalton Trans., 2015, 44,1110-1119
DOI: 10.1039/C4DT03129F, PaperLi-Yun Du, Hui Wang, Ge Liu, Dong Xie, Fu-Sheng Guo, Lei Hou, Yao-Yu Wang
Employing a new bitriazole ligand, five complexes were assembled that display diverse structures, selective CO2/CH4 adsorption, luminescent sensing, and antiferromagnetic properties.
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Synthesis and coordination chemistry of 1,1,1-tris-(pyrid-2-yl)ethane

Dalton Transactions - 12 hours 14 min ago

Dalton Trans., 2015, 44,1060-1069
DOI: 10.1039/C4DT02824D, PaperAmedeo Santoro, Carlo Sambiagio, Patrick C. McGowan, Malcolm A. Halcrow
The complexes [ML2]n+ (Mn+ = Fe2+, Co2+, Co3+, Cu2+ and Ag+), [PdCl2L] and [CuI(L)] are described. [AgL2]+ is an unusual square planar silver(I) centre (left). Exposure of [CuI(L)] to air affords mono- or dinuclear copper(II)/carbonato products. Two of the copper complexes form crystalline hydrates with complicated hydrogen bond networks (right).
The content of this RSS Feed (c) The Royal Society of Chemistry

Spectroscopic and crystallographic anomalies of (Co1-xZnx)Al2O4 spinel oxide

Dalton Transactions - 12 hours 14 min ago

Dalton Trans., 2015, 44,997-1008
DOI: 10.1039/C4DT01599A, PaperTakayuki Nakane, Takashi Naka, Koichi Sato, Minori Taguchi, Minako Nakayama, Tadashi Mitsui, Akiyuki Matsushita, Toyohiro Chikyow
This work investigate the spectroscopic and crystallographic properties of (Co1-xZnx)Al2O4 with a range of x of 0 [less-than-or-equal] x [less-than-or-equal] 1. The spectroscopic evaluation carried out in this study found some interesting characteristics of this material.
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Synthesis and characterization of Mg-Al-layered double hydroxides intercalated with cubane-1,4-dicarboxylate anions

Dalton Transactions - 12 hours 14 min ago

Dalton Trans., 2015, 44,988-996
DOI: 10.1039/C4DT03152K, PaperZolfaghar Rezvani, Farzad Arjomandi Rad, Fatemeh Khodam
In the present work, Mg2Al-layered double hydroxide (LDH) intercalated with cubane-1,4-dicarboxylate anions was prepared from the reaction of solutions of Mg(II) and Al(III) nitrate salts with an alkaline solution of cubane-1,4-dicarboxylic acid by using the coprecipitation method.
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