Dalton Transactions

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Self-assembly of tri-pyrazolate linked cages with di-palladium coordination motifs

14 October, 2014 - 18:17

Dalton Trans., 2014, 43,16015-16024
DOI: 10.1039/C4DT01745E, PaperXuan-Feng Jiang, Wei Deng, Rui Jin, Lin Qin, Shu-Yan Yu
A series of novel tripyrazolate linked metallomacrocycles and cages possessing different shapes were constructed by dimetal-coordination motifs in aqueous solution.
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A new thiacalix[4]arene-fluorescein based probe for detection of CN- and Cu2+ ions and construction of a sequential logic circuit

14 October, 2014 - 18:17

Dalton Trans., 2014, 43,15929-15936
DOI: 10.1039/C4DT01676A, PaperNeetu Sharma, Shahi Imam Reja, Vandana Bhalla, Manoj Kumar
A thiacalix[4]arene-fluorescein based fluorescent probe for detection of CN- and Cu2+ ions and its application in a sequential logic circuit.
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Crystal chemical characteristics of ellestadite-type apatite: implications for toxic metal immobilization

14 October, 2014 - 18:17

Dalton Trans., 2014, 43,16031-16043
DOI: 10.1039/C4DT02088J, PaperY. N. Fang, Clemens Ritter, T. J. White
Ellestadites are silicate-sulphate apatite matrices for the immobilization of toxic metal waste. Phosphate-rich chlorellestadite, Ca10[(SiO4)x(PO4)6-2x(SO4)x]Cl2 (0 [less-than-or-equal] x [less-than-or-equal] 1) show promise as ceramic waste forms for hazardous fly ashes rich in sulphur and chlorine.
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Cyclopalladation of telluro ether ligands: synthesis, reactivity and structural characterization

14 October, 2014 - 18:17

Dalton Trans., 2014, 43,16056-16065
DOI: 10.1039/C4DT02200A, PaperSiddhartha Kolay, Mukesh Kumar, Amey Wadawale, Dasarathi Das, Vimal K. Jain
Reactions of telluro ethers with common cyclopalladation precursors gave a variety of palladium complexes ranging from mononuclear, trans-[PdCl2(TeR2)2] to binuclear [Pd2([small mu ]-Cl)2Cl2(TeRR[prime or minute])2], cyclopalladated [Pd2([small mu ]-OAc)2{RTeCH2C6H2(4,6-Me2)}2] and products formed by Te-C bond cleavage.
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Synthesis, structure and spectral and electrochemical properties of 3-pyrrolyl BODIPY-metal dipyrrin complexes

14 October, 2014 - 18:17

Dalton Trans., 2014, 43,16006-16014
DOI: 10.1039/C4DT01970A, PaperV. Lakshmi, Way-Zen Lee, M. Ravikanth
First examples of 3-pyrrolyl BODIPY-metal dipyrrin complexes (Pd2+, Re+ and Ru2+) were synthesized and their spectral and electrochemical properties were investigated.
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Down-shifting and upconversion photoluminescence in Ho3+/Yb3+ codoped GdNbO4: effect of the Bi3+ ion and the magnetic field

14 October, 2014 - 18:17

Dalton Trans., 2014, 43,15906-15914
DOI: 10.1039/C4DT01864H, PaperA. Dwivedi, A. K. Singh, S. B. Rai
Energy transfer from host to activator ion, down-shifting, upconversion and effect of magnetic field and Bi3+ ions on photoluminescence of Ho3+ have been investigated.
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Synthesis, cytotoxicity, DNA interaction and cell cycle studies of trans-diiodophosphine Pt (II) complexes

12 October, 2014 - 17:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02392G, PaperMariaAngeles Medrano, Stephen M Dennis, Amparo Alvarez-Valdes, Josefina Perles, Tracey McGregor-Mason, Adoracion Gomez Quiroga
Platinum complexes, bearing aliphatic amines and phosphine ligands in trans configuration with iodide as leaving groups, are synthesized and characterized. The crystal structure of trans-PtI2(isopropylamine)(PPh3) is reported. The complex bearing...
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Achievements in uranium alkyl chemistry: celebrating sixty years of synthetic pursuits

12 October, 2014 - 17:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01621A, PerspectiveSara A. Johnson, Suzanne C. Bart
This Perspective highlights the synthesis, characterization, and reactivity of significant organouranium complexes with [sigma]-bonded alkyl ligands.
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Alkali-metal ion coordination in uranyl(VI) poly-peroxide complexes in solution. Part 1: the Li+, Na+ and K+ - peroxide-hydroxide systems

12 October, 2014 - 17:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02104E, PaperPier Luigi Zanonato, Plinio Di Bernardo, Valerie Vallet, Zoltan Szabo, Ingmar Grenthe
The complex Na[(UO2)(O2)(OH)]43- (aq.) can be modeled by a solid state structure element (a) and by quantum chemistry using a solvent model (b).
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Novel Uranyl(VI) Complex incorporating propylene-bridged salen-type N2O2-Ligand: A Structural and Computational Approach

12 October, 2014 - 17:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02112F, PaperMohammad Azam, Saud I Al-Resayes, Ponnambalam Venuvanalingam, Gunasekaran Velmurugan, Jorg Wagler, Edwin Kroke
Synthesis of the tetradentate dianionic ligand, H2L (2,2'-(1E,1'E)-(2,2-dimethylpropane-1,3-dyl)bis(azanylylidene)bis(methanylylidene)diphenol) from 2,2-dimethyl-1,3-diaminopropane and its reaction with UO2(CH3COO)2[round bullet, filled]2H2O in 1:1 molar ratio in methanol to produce the complex [UO2(L)(CH3OH)] is reported. The isolated...
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Enforcement of a high-spin ground state for the first 3d heterometallic 12-metallacrown-4 complex

12 October, 2014 - 17:54

Dalton Trans., 2014, 43,15308-15312
DOI: 10.1039/C4DT02275K, CommunicationPeter Happ, Eva Rentschler
Applying a novel magnetic director approach, we have realized Cu(II)(DMF)2Cl2[12-MCFe(III)N(Shi)-4](DMF)4[middle dot]2DMF as the first heterometallic transition metal 12-MC-4 complex in order to provide this type of compound with a high-spin ground state.
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Contrasting ion-association behaviour of Ta and Nb polyoxometalates

12 October, 2014 - 17:54

Dalton Trans., 2014, 43,15295-15299
DOI: 10.1039/C4DT02394C, CommunicationLauren B. Fullmer, Pedro I. Molina, Mark R. Antonio, May Nyman
Small-angle X-ray scattering (SAXS) studies of aqueous [Ta6O19]8- compared to prior studies of aqueous [Nb6O19]8- reveals key differences in behaviour, which is likely at the root of the difficulty in developing polyoxotantalate chemistry.
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Half sandwich ruthenium(II) hydrides: hydrogenation of terminal, internal, cyclic and functionalized olefins

12 October, 2014 - 17:54

Dalton Trans., 2014, 43,15638-15645
DOI: 10.1039/C4DT02407A, PaperBidraha Bagh, Douglas W. Stephan
Ruthenium(II) complexes 2b-e with the general formula RuCl2(p-cymene)(NHC) were reacted with Et3SiH to generate a series of ruthenium(II) hydrides 5b-e. These compounds 5b-e are effective catalysts for the hydrogenation of terminal, internal and cyclic and functionalized olefins.
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Protonolysis and thermolysis reactions of functionalised NHC-carbene boranes and borates

12 October, 2014 - 17:54

Dalton Trans., 2014, 43,15419-15428
DOI: 10.1039/C4DT01464B, PaperPolly L. Arnold, Nicola L. Bell, Isobel H. Marr, Siyi She, Jonathan Hamilton, Craig Fraser, Kai Wang
[small beta]-ketoimidazol(in)ium salts show contrasting reactivity with MHBEt3 due to subtle electronic and steric differences. Thermolysis of the chiral [small beta]-borate imidazolium salts formed from these reactions results in alkane elimination in the first example of organic borates functioning as Bronsted bases.
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Formation of bis(2-pyridylcarbonyl)aminate by oxidation of ethylbis(2-pyridylmethyl)amine on the trichloridoruthenium(III) complex

12 October, 2014 - 17:54

Dalton Trans., 2014, 43,15391-15397
DOI: 10.1039/C4DT01842G, PaperHirotaka Nagao, Naoto Shimura, Haruka Yonezawa
Oxidation of the facial-type trichloridoruthenium(III) complex bearing ethylbis(2-pyridylmethyl)amine (ebpma), fac-[RuIIICl3(ebpma)], with (NH4)2[CeIV(NO3)6] in acetonitrile afforded a ruthenium(III) complex having bis(2-pyridylcarbonyl)aminato (bpca), [RuIIICl2(NCCH3)(bpca)]. The bpca moiety showed interactions with cations such as protons.
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Fusion of photodynamic therapy and photoactivated chemotherapy: a novel Ru(II) arene complex with dual activities of photobinding and photocleavage toward DNA

8 October, 2014 - 16:54

Dalton Trans., 2014, 43,15375-15384
DOI: 10.1039/C4DT01755B, PaperYongjie Chen, Wanhua Lei, Guoyu Jiang, Yuanjun Hou, Chao Li, Baowen Zhang, Qianxiong Zhou, Xuesong Wang
A Ru(II) arene complex displays DNA binding, DNA cleavage, and fluorescence imaging upon visible light illumination.
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Anionic N-heterocyclic carbenes (NHCs): a versatile route to saturated NHCs bearing pendant weakly coordinating anions

8 October, 2014 - 16:54

Dalton Trans., 2014, 43,15279-15282
DOI: 10.1039/C4DT02662D, CommunicationNicholas Phillips, Remi Tirfoin, Simon Aldridge
A versatile methodology is reported for the synthesis of anionic NHCs featuring a 5-, 6-, or 7-membered saturated heterocyclic core.
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Thin-coated water soluble CdTeS alloyed quantum dots as energy donors for highly efficient FRET

8 October, 2014 - 16:54

Dalton Trans., 2014, 43,15583-15592
DOI: 10.1039/C4DT01502A, PaperAkram Yahia-Ammar, Aline M. Nonat, Anne Boos, Jean-Luc Rehspringer, Zouhair Asfari, Loic J. Charbonniere
A model for the determination of the chemical composition and the size of CdTeS QDs is proposed and confirmed by FRET experiments.
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Synthesis and analysis of the anticancer activity of platinum(II) complexes incorporating dipyridoquinoxaline variants

8 October, 2014 - 16:54

Dalton Trans., 2014, 43,15566-15575
DOI: 10.1039/C4DT02133A, PaperBenjamin J. Pages, Feng Li, Paul Wormell, Dale L. Ang, Jack K. Clegg, Cameron J. Kepert, Lawson K. Spare, Supawich Danchaiwijit, Janice R. Aldrich-Wright
Platinum complexes incorporating variants of dpq were synthesised. Their DNA affinity and cytotoxicity were compared to complexes containing phen variants, revealing unexpected trends in biological activity.
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Fulvic acid complexation of Eu(III) and Cm(III) at elevated temperatures studied by time-resolved laser fluorescence spectroscopy

8 October, 2014 - 16:54

Dalton Trans., 2014, 43,15593-15601
DOI: 10.1039/C4DT02339K, PaperDaniel R. Frohlich, Andrej Skerencak-Frech, Michael Gast, Petra J. Panak
The interaction of Eu(III) and Cm(III) with three different aquatic fulvic acids (FA) was studied as a function of the temperature (T = 20-80 [degree]C) in 0.1 M NaCl solution by time-resolved laser fluorescence spectroscopy.
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