Dalton Transactions

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Effective catalytic disproportionation of aqueous H2O2 with di- and mono-nuclear manganese(II) complexes containing pyridine alcohol ligands

26 May, 2014 - 06:54

Dalton Trans., 2014, 43,8599-8608
DOI: 10.1039/C3DT53288G, PaperM. Zienkiewicz, A. Jablonska-Wawrzycka, J. Szlachetko, Y. Kayser, K. Stadnicka, W. Sawka-Dobrowolska, J. Jezierska, B. Barszcz, J. Sa
The two novel manganese(II) complexes were synthesized, thoroughly characterized, and tested in H2O2 disproportionation reaction.
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Water-soluble DNA minor groove binders as potential chemotherapeutic agents: synthesis, characterization, DNA binding and cleavage, antioxidation, cytotoxicity and HSA interactions

26 May, 2014 - 06:54

Dalton Trans., 2014, 43,8721-8737
DOI: 10.1039/C3DT53577K, PaperXia-Bing Fu, Dan-Dan Liu, Yuan Lin, Wei Hu, Zong-Wan Mao, Xue-Yi Le
Two water-soluble DNA minor groove binders were synthesized as potential chemotherapeutic agents targeting the A-T rich sequences.
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The usefulness of EPR spectroscopy in the study of compounds with metal-metal multiple bonds

26 May, 2014 - 06:54

Dalton Trans., 2014, 43,8565-8576
DOI: 10.1039/C4DT00506F, PerspectiveNaresh S. Dalal, Carlos A. Murillo
A discussion of how EPR spectroscopy has contributed to the understanding of the electronic structure of paddlewheel compounds with multiple bonds between metal atoms is presented while commemorating the 50th anniversary of the paper describing the quadruple bond and the identification of the delta bond in the Re2Cl82- anion.
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Reactions of trinuclear platinum clusters with electrophiles: ionisation isomerism with [Pt3([small mu ]2-I)([small mu ]-PPh2)2(PPh3)3]I and [Pt3([small mu ]-PPh2)2I2(PPh3)3]. Structures of [Pt3([small mu ]2-Cl)([small mu ]-PPh2)2(PPh3)3]PF6, [Pt3([small

26 May, 2014 - 06:54

Dalton Trans., 2014, 43,8609-8619
DOI: 10.1039/C4DT00090K, PaperChristine Archambault, Robert Bender, Pierre Braunstein, Yves Dusausoy, Richard Welter
Reactions of the mixed-valence cluster [Pt3([small mu ]-PPh2)3Ph(PPh3)2] with various electrophiles have been investigated.
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Application of hydrophobically modified water-soluble polymers for the dispersion of hydrophobic magnetic nanoparticles in aqueous media

26 May, 2014 - 06:54

Dalton Trans., 2014, 43,8633-8643
DOI: 10.1039/C4DT00393D, PaperZacharoula Iatridi, Violetta Georgiadou, Melita Menelaou, Catherine Dendrinou-Samara, Georgios Bokias
Oleylamine-coated CoFe2O4 magnetic nanoparticles were successfully encapsulated into hydrophobically modified water-soluble polymers. The resulting hydrophilic nanohybrids exhibit promising r2-relaxivity properties.
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Simultaneous encapsulation of an infinite T4(0)A(0)6(0) water tape and discrete water hexamers in a hydrogen-bonded Ag(I) supramolecular framework

26 May, 2014 - 06:54

Dalton Trans., 2014, 43,8774-8780
DOI: 10.1039/C4DT00494A, PaperLu-Lu Han, Tuo-Ping Hu, Jiang-Shan Chen, Zhong-Hui Li, Xing-Po Wang, Ya-Qin Zhao, Xiao-Yu Li, Di Sun
In a one-dimensional mixed-ligand Ag(I) coordination polymer, an infinite 1D T4(0)A(0)6(0) water tape and discrete water hexamers were simultaneously encapsulated.
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Exploration of new second-order nonlinear optical materials of the Cs-Hg-Br-I system

26 May, 2014 - 06:54

Dalton Trans., 2014, 43,8899-8904
DOI: 10.1039/C3DT53463D, PaperQi Wu, Yin Huang, Xianggao Meng, Cheng Zhong, Xingguo Chen, Jingui Qin
A new compound, Cs2Hg2Br2I4[middle dot]H2O, was synthesized to achieve a better balance between nonlinear optical properties and its band gap.
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The synthesis and characterization of nonperipherally tetra terminal alkynyl substituted phthalocyanines and glycoconjugation via the click reaction

26 May, 2014 - 06:54

Dalton Trans., 2014, 43,8654-8663
DOI: 10.1039/C4DT00238E, PaperZeliha Kanat, Hatice Dincer
The synthesis of nonperipherally tetra terminal alkynyl substituted phthalocyanines and the glycoconjugation of a ZnPc derivative via the click reaction and further deacylation were carried out.
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New modular manganese(I) tricarbonyl complexes as PhotoCORMs: in vitro detection of photoinduced carbon monoxide release using COP-1 as a fluorogenic switch-on probe

26 May, 2014 - 06:54

Dalton Trans., 2014, 43,8664-8678
DOI: 10.1039/C4DT00254G, PaperSandesh Pai, Maryam Hafftlang, George Atongo, Christoph Nagel, Johanna Niesel, Svetlana Botov, Hans-Gunther Schmalz, Benito Yard, Ulrich Schatzschneider
Light-induced CO release from PhotoCORMs was detected with a fluorescent probe in living cells.
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Dimeric 1,3-propanediaminetetraacetato lanthanides as the precursors of catalysts for the oxidative coupling of methane

26 May, 2014 - 06:54

Dalton Trans., 2014, 43,8690-8697
DOI: 10.1039/C4DT00104D, PaperMao-Long Chen, Yu-Hui Hou, Wen-Sheng Xia, Wei-Zheng Weng, Ze-Xing Cao, Zhao-Hui Zhou, Hui-Lin Wan
1,3-Propanediaminetetraacetato lanthanides were used as catalyst precursors for the oxidative coupling of methane. The precursors were also fully characterized by spectral and structural analyses.
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Photoreduction and light-induced triplet-state formation in a single-site fluoroalkylated zinc phthalocyanine

22 May, 2014 - 05:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT00621F, PaperHans Moons, Andrei Loas, Sergiu M. Gorun, Sabine Van Doorslaer
Anaerobic red-light illumination leads to reduction of perfluoroisopropyl-substituted zinc(II) phthalocyanine in ethanol, while low power UV illumination favours the formation of a triplet excited state.
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Titanium imido complexes stabilised by bis(iminophosphoranyl)methanide ligands: the influence of N-substituents on solution dynamics and reactivity

20 May, 2014 - 05:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT00746H, PaperAdrien T. Normand, Alexandre Massard, Philippe Richard, Coline Canovas, Cedric Balan, Michel Picquet, Audrey Auffrant, Pierre Le Gendre
The synthesis, structural study and assessment in catalytic hydroamination of Ti imido complexes with bis(iminophosphoranyl)methanide ligands are reported.
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Removal of Congo Red by magnetic mesoporous titanium dioxide-graphene oxide core-shell microspheres for water purification

20 May, 2014 - 05:17

Dalton Trans., 2014, 43,8431-8438
DOI: 10.1039/C3DT53474J, PaperLeilei Li, Xiangjun Li, Huimin Duan, Xiaojiao Wang, Chuannan Luo
Magnetic mesoporous titanium dioxide-graphene oxide (Fe3O4@mTiO2@GO) with a large surface area and a good magnetic responsiveness was synthesized by immobilizing a mesoporous titanium dioxide (mTiO2) shell on the surface of magnetic Fe3O4 nanoparticles prior to binding with graphene oxide (GO).
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Colloidal assemblies of oriented maghemite nanocrystals and their NMR relaxometric properties

20 May, 2014 - 05:17

Dalton Trans., 2014, 43,8395-8404
DOI: 10.1039/C4DT00024B, PaperAthanasia Kostopoulou, Sabareesh K. P. Velu, Kalaivani Thangavel, Francesco Orsini, Konstantinos Brintakis, Stylianos Psycharakis, Anthi Ranella, Lorenzo Bordonali, Alexandros Lappas, Alessandro Lascialfari
1H-NMR relaxometric experiments over an extended frequency range show that ferrimagnetic colloidal nanoclusters exhibit enhanced transverse relaxivity, r2.
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Forming a ruthenium isomerisation catalyst from Grubbs II: a DFT study

20 May, 2014 - 05:17

Dalton Trans., 2014, 43,8493-8498
DOI: 10.1039/C4DT00464G, PaperAllan Young, Mark A. Vincent, Ian H. Hillier, Jonathan M. Percy, Tell Tuttle
A pathway for methanolysis of Grubbs' second generation catalyst has been computed.
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Synthesis and characterization of germa[n]pericyclynes

20 May, 2014 - 05:17

Dalton Trans., 2014, 43,8338-8343
DOI: 10.1039/C4DT00574K, PaperHiroki Tanimoto, Tomohiko Nagao, Yasuhiro Nishiyama, Tsumoru Morimoto, Fumiyasu Iseda, Yuko Nagato, Toshimasa Suzuka, Ken Tsutsumi, Kiyomi Kakiuchi
The synthesis and characterization of novel pericyclynes comprising germanium atoms and acetylenes, germa[n]pericyclynes, are described.
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Reductive functionalization of a rhodium(III)-methyl bond by electronic modification of the supporting ligand

20 May, 2014 - 05:17

Dalton Trans., 2014, 43,8273-8281
DOI: 10.1039/C4DT00234B, PaperMatthew E. O'Reilly, Dale R. Pahls, Joanna R. Webb, Nicholas C. Boaz, Subhojit Majumdar, Carl D. Hoff, John T. Groves, Thomas R. Cundari, T. Brent Gunnoe
Electronic control by the ancillary ligand allows reductive functionalization of a Rh-Me bond to form MeCl and CF3CO2Me, a key step for electrophilic methane functionalization.
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Can metal ion complexation compete with the self-assembly processes of calix[4]arene amine derivatives?

20 May, 2014 - 05:17

Dalton Trans., 2014, 43,8387-8394
DOI: 10.1039/C4DT00318G, PaperLaura O'Toole, Bernadette S. Creaven, John McGinley
Self-assembly occurs spontaneously through [small pi]-stacking in solution for calix[4]arenes derivatised at both rims with pendant aromatic rings. Zinc ion titration studies, carried out on 3, up to a 1 : 4 ligand to metal ratio, did not disrupt the self-assembly process.
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A phosphoramidite-based [FeFe]H2ase functional mimic displaying fast electrocatalytic proton reduction

20 May, 2014 - 05:17

Dalton Trans., 2014, 43,8363-8367
DOI: 10.1039/C3DT53471E, PaperSofia Derossi, Rene Becker, Ping Li, Frantisek Hartl, Joost N. H. Reek
The work reports rapid electrocatalytic proton reduction by a diiron dithiolate complex bearing the 3-pyridylphosphoramidite ligand as a proton relay.
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Immobilization of BiOX (X = Cl, Br) on activated carbon fibers as recycled photocatalysts

20 May, 2014 - 05:17

Dalton Trans., 2014, 43,8170-8173
DOI: 10.1039/C4DT00483C, CommunicationZaiyong Jiang, Baibiao Huang, Zaizhu Lou, Zeyan Wang, Xiaodong Meng, Yuanyuan Liu, Xiaoyan Qin, Xiaoyang Zhang, Ying Dai
BiOX were uniformly immobilized on the ACF surface without agglomeration, and electrostatic adsorption could be used to illustrate the growth mechanism.
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