Dalton Transactions

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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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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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Facile synthesis of organic-inorganic layered nanojunctions of g-C3N4/(BiO)2CO3 as efficient visible light photocatalyst

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,12026-12036
DOI: 10.1039/C4DT00513A, PaperWendong Zhang, Yanjuan Sun, Fan Dong, Wei Zhang, Shuo Duan, Qin Zhang
2D g-C3N4/(BiO)2CO3 organic-inorganic nanojunctions were constructed by in situ depositing (BiO)2CO3 nanoflakes on the surface of g-C3N4 nanosheets for highly active visible light photocatalysis.
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Topological ferrimagnetic behaviours of coordination polymers containing manganese(II) chains with mixed azide and carboxylate bridges and alternating F/AF/AF[prime or minute]/AF[prime or minute]/AF interactions

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,11819-11825
DOI: 10.1039/C4DT01151A, PaperYan-Qin Wang, Hou-Ting Liu, Yan Qi, En-Qing Gao
Two new topological ferrimagnetic metal-azide systems based on 1D alternating F/AF/AF[prime or minute]/AF[prime or minute]/AF chains have been obtained.
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Crystal structures and magnetic properties of a set of dihalo-bridged oxalamidato copper(II) dimers

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,11877-11887
DOI: 10.1039/C4DT00925H, PaperDijana Zilic, Boris Rakvin, Dalibor Milic, Damir Pajic, Ivica Dilovic, Massimo Cametti, Zoran Dzolic
Structural features and magnetic properties of a series of dihalo-bridged oxalamidato Cu(II) dimeric complexes, comprising less common Br-derivatives, were studied by X-ray diffraction, single crystal EPR spectroscopy and SQUID measurements.
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Phosphotungstic acid encapsulated in the mesocages of amine-functionalized metal-organic frameworks for catalytic oxidative desulfurization

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,11950-11958
DOI: 10.1039/C4DT01043D, PaperXu-Sheng Wang, Yuan-Biao Huang, Zu-Jin Lin, Rong Cao
PTA@MIL-101(Cr)-NH2 has been prepared via an anion exchange method, and showed high catalytic activity for oxidative desulfurization under mild conditions.
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