Dalton Transactions

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Syntheses and purification of the versatile synthons iodoferrocene and 1,1[prime or minute]-diiodoferrocene

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,11815-11818
DOI: 10.1039/C4DT01787K, CommunicationMax Roemer, Christian A. Nijhuis
This paper describes the improved synthesis and purification of iodoferrocene (FcI) and 1,1[prime or minute]-diiodoferrocene (FcI2).
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Kinetics and mechanistic investigation into the possible activation of imidazolium trans-[tetrachloridodimethylsulfoxideimidazoleruthenate(III)], NAMI-A, by 2-mercaptoethane sulfonate

21 July, 2014 - 20:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01643B, PaperRisikat Ajibola Adigun, Bice Martincigh, Vincent O. Nyamori, Bernard Omondi, Collen Masimirembwa, Reuben H. Simoyi
NAMI-A is a promising antimetastatic prodrug with high specificity for metastatic cancer cells.
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Synthesis of carbon embedded MFe2O4 (M = Ni, Zn and Co) nanoparticles as efficient hydrogenation catalysts

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,12077-12084
DOI: 10.1039/C4DT01123F, PaperDevaki Nandan, Peta Sreenivasulu, Nagabhatla Viswanadham, Ken Chiang, Jarrod Newnham
Stable MFe2O4@C-NP@C synthesized by using bi-functional levulinic acid and the carbon source phloroglucinol exhibited excellent catalytic activity towards selective hydrogenation of styrene to ethyl benzene with 100% conversion and 100% selectivity.
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ortho-Metallated triphenylphosphine chalcogenide complexes of platinum and palladium: synthesis and catalytic activity

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,12000-12012
DOI: 10.1039/C4DT01236D, PaperSteven H. Priver, Martin A. Bennett, Anthony C. Willis, Srinivas Pottabathula, M. Lakshmi Kantam, Suresh K. Bhargava
ortho-Metallated triphenylphosphine chalcogenide complexes of platinum and palladium have been prepared. The catalytic activity of selected complexes was tested in the Heck-Mizoroki and Suzuki-Miyaura reactions.
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Preparation of graphene supported Pt nanoparticles by a plasma approach and their application for methanol electro-oxidation: a comparison with chemical reduction

21 July, 2014 - 20:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01114G, PaperQi Wang, Xiao Zuo, Xiangke Wang
Graphene-based Pt nanoparticles prepared by a plasma approach showed higher catalytic activity for methanol electro-oxidation than those prepared by chemical reduction.
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Platination of the copper transporter ATP7A involved in anticancer drug resistance

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,12085-12094
DOI: 10.1039/C4DT01339E, PaperVania Calandrini, Fabio Arnesano, Angela Galliani, Trung Hai Nguyen, Emiliano Ippoliti, Paolo Carloni, Giovanni Natile
NMR experiments and QM/MM simulations show that in aqueous solution cisplatin binds to Cys19 and Cys22 residues of the first soluble domain of the copper transporter ATP7A retaining its two cis ammine ligands.
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Mechanistic insights into hydride transfer for catalytic hydrogenation of CO2 with cobalt complexes

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,11803-11806
DOI: 10.1039/C4DT01551G, CommunicationN. Kumar, D. M. Camaioni, M. Dupuis, S. Raugei, A. M. Appel
The catalytic hydrogenation of CO2 to formate by Co(dmpe)2H can proceed via direct hydride transfer or via CO2 coordination to Co followed by reductive elimination of formate.
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Syntheses, crystal structures and magnetic properties of a series of [small mu ]-phenoxo-[small mu ]1,1-carboxylato-[small mu ]1,3-carboxylato trinickel(II) compounds

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,12065-12076
DOI: 10.1039/C4DT00862F, PaperSagarika Bhattacharya, Sujit Sasmal, Luca Carrella, Eva Rentschler, Sasankasekhar Mohanta
Syntheses, characterization, crystal structures and magnetic properties of eight heterobridged trinickel(II) compounds have been described in this present study.
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Nanolayered manganese oxide/C60 composite: a good water-oxidizing catalyst for artificial photosynthetic systems

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,12058-12064
DOI: 10.1039/C4DT00599F, PaperMohammad Mahdi Najafpour, Mahnaz Abasi, Tatsuya Tomo, Suleyman I. Allakhverdiev
We report that nanolayered Mn oxide/C60 composites show promising activity toward water oxidation.
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Cisplatin-induced duplex dissociation of complementary and destabilized short GG-containing duplex RNAs

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,11941-11949
DOI: 10.1039/C4DT00213J, PaperChristopher Polonyi, Alak Alshiekh, Lamya A. Sarsam, Maria Clausen, Sofi K. C. Elmroth
The reactivity of a series of small size RNAs towards mono-aquated cisplatin was monitored using UV/vis spectroscopy. Subtle changes of local melting behavior were found to influence metal binding kinetics, with an increase in reactivity following central destabilization.
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Ferrocenyl-L-amino acid copper(II) complexes showing remarkable photo-induced anticancer activity in visible light

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,11988-11999
DOI: 10.1039/C4DT01348D, PaperTridib K. Goswami, Sudarshan Gadadhar, Babu Balaji, Bappaditya Gole, Anjali A. Karande, Akhil R. Chakravarty
Ferrocene-conjugated L-amino acid copper(II) complexes show remarkable photocytotoxicity (IC50 [similar] 4 [small mu ]M) in visible light in HeLa and MCF-7 cancer cells.
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Heteronuclear, mixed-metal Ag(I)-Mn(II) coordination polymers with bridging N-pyridinylisonicotinohydrazide ligands: synthesis, crystal structures, magnetic and photoluminescence properties

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,11925-11935
DOI: 10.1039/C4DT01390E, PaperRahman Bikas, Hassan Hosseini-Monfared, Vera Vasylyeva, Joaquin Sanchiz, Javier Alonso, Jose Manuel Barandiaran, Christoph Janiak
Mn(II) ions separated by [similar]10.5 A are antiferromagnetically coupled by NC-Ag-CN bridge.
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Precisely tunable magnetic phase transition temperature, TC, through the formation of a molecular alloy in [NixPt1-x(mnt)2]--based spin systems (mnt2- = maleonitriledithiolate, x = 0.09-0.91)

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,11908-11914
DOI: 10.1039/C4DT00868E, PaperGuo-Jun Yuan, Hao Yang, Shao-Xian Liu, Jian-Lan Liu, Xiao-Ming Ren
A magnetic transition system with a precisely tunable TC was achieved through the formation of a molecular alloy, and TC is linearly correlated with the molar fraction x.
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Luminescent monocyclometalated cationic gold(III) complexes: synthesis, photophysical characterization and catalytic investigations

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,11959-11972
DOI: 10.1039/C4DT01187B, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Thomas N. Zehnder, Olivier Blacque, Koushik Venkatesan
Luminescent cationic Au(III) monocyclometalated complexes with reasonable emission efficiencies were successfully synthesized and were applied as photoactive catalysts for the oxidation of benzylic amines to imines in the presence of O2.
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Dinuclear copper complexes: coordination of Group 14 heteroborates

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,11867-11876
DOI: 10.1039/C4DT01242A, PaperHolger Scheel, Jessica Wiederkehr, Klaus Eichele, Hermann A. Mayer, Florian Winter, Rainer Pottgen, Lars Wesemann
The dinuclear copper(I) complex [Cu2([small mu ]-dmapm)(CH3CN)2][BF4]2 was reacted with Group 14 heteroborates. Four different coordination motives have been characterized.
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Synthesis of hollow mesoporous silica nanoparticles with tunable shell thickness and pore size using amphiphilic block copolymers as core templates

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,11834-11842
DOI: 10.1039/C4DT01138D, PaperXiaojun Zhou, Xiao Cheng, Wei Feng, Kexin Qiu, Liang Chen, Wei Nie, Zhiqi Yin, Xiumei Mo, Hongsheng Wang, Chuanglong He
Hollow mesoporous silica nanoparticles with tunable shell thickness and pore size were synthesized using amphiphilic block copolymers.
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Structure-property relationships of novel microwave dielectric ceramics with low sintering temperatures: (Na0.5xBi0.5xCa1-x)MoO4

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,11888-11896
DOI: 10.1039/C4DT00838C, PaperJing Guo, Di Zhou, Yong Li, Tao Shao, Ze-Ming Qi, Biao-Bing Jin, Hong Wang
A series of low firing microwave dielectric ceramics (Na0.5xBi0.5xCa1-x)MoO4 (0 [less-than-or-equal] x [less-than-or-equal] 0.6) was synthesized and their structure-property relationships were investigated.
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Mechanochemical synthesis of crystalline and amorphous digold(I) helicates exhibiting anion- and phase-switchable luminescence properties

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,11807-11810
DOI: 10.1039/C4DT01214C, CommunicationCsaba Jobbagy, Miklos Molnar, Peter Baranyai, Andrea Deak
For the first time, mechanochemical synthesis has been used for the preparation of anion- and phase-switchable luminescent dinuclear gold(I) helicates.
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The role of structural and fluidic aspects of room temperature ionic liquids in influencing the morphology of CdSe nano/microstructures grown in situ

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,11843-11854
DOI: 10.1039/C4DT01648C, PaperApurav Guleria, Ajay K. Singh, Madhab C. Rath, Sisir K. Sarkar, Soumyakanti Adhikari
Influence of the intrinsic structure of RTIL on the morphology of as synthesized CdSe nanoparticles is demonstrated. IL plays multiple roles, i.e. as a solvent, stabilizer and shape directing template.
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Citrate-hydrazine hydrogen-bonding driven single-step synthesis of tunable near-IR plasmonic, anisotropic silver nanocrystals: implications for SERS spectroscopy of inorganic oxoanions

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,11826-11833
DOI: 10.1039/C4DT01091D, PaperSatarupa Pattanayak, Abhishek Swarnkar, Amiya Priyam, Gopal M. Bhalerao
Anisotropic silver nanocrystals (NCs) having Vis-to-NIR plasmon tunability have been synthesized by tailoring the hydrogen-bonding interactions between a mild stabilizer (citrate) and a mild reductant (hydrazine hydrate).
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