Dalton Transactions
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A ruthenium(II) arene complex showing emission enhancement and photocleavage activity towards DNA from singlet and triplet excited states respectively
DOI: 10.1039/C3DT33090G, PaperYongjie Chen, Wanhua Lei, Guoyu Jiang, Qianxiong Zhou, Yuanjun Hou, Chao Li, Baowen Zhang, Xuesong Wang
Emission enhancement and photocleavage activity towards DNA can be achieved simultaneously by a Ru(II) arene complex from different dppn-based excited states.
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Zinc(II) complexes containing bis-benzimidazole derivatives as a new class of apoptosis inducers that trigger DNA damage-mediated p53 phosphorylation in cancer cells
DOI: 10.1039/C3DT33077J, PaperShenggui Liu, Wenqiang Cao, Lianling Yu, Wenjie Zheng, Linlin Li, Cundong Fan, Tianfeng Chen
Two new zinc(II) complexes containing bis-benzimidazole derivatives have been synthesized and identified as p53-targeting apoptosis inducers by triggering DNA damage.
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3D porous nano/micro nickel sulfides with hierarchical structure: controlled synthesis, structure characterization and electrochemical properties
DOI: 10.1039/C3DT00017F, PaperLiwei Mi, Qi Ding, Weihua Chen, Li Zhao, Hongwei Hou, Chuntai Liu, Changyu Shen, Zhi Zheng
A series of nickel sulfide nanocrystallines with hierarchical structures was successfully fabricated in situ on a nickel substrate.
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pH luminescence switch, DNA binding and photocleavage, and cytotoxicity of a dinuclear ruthenium complex
DOI: 10.1039/C3DT33116D, PaperXiao-Long Zhao, Zhen-Sheng Li, Ze-Bao Zheng, An-Guo Zhang, Ke-Zhi Wang
pH-induced luminescence switching, DNA binding, and anticancer properties of a dinuclear Ru(II) complex are much improved with respect to those of the mononuclear analog.
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Adsorption of divalent metal ions from aqueous solutions using graphene oxide
DOI: 10.1039/C3DT33097D, PaperRafal Sitko, Edyta Turek, Beata Zawisza, Ewa Malicka, Ewa Talik, Jan Heimann, Anna Gagor, Barbara Feist, Roman Wrzalik
The adsorptive properties of graphene oxide towards divalent metal ions (copper, zinc, cadmium and lead) have been investigated.
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Synthesis of ligands containing N-oxide donor atoms and their assembly into metallosupramolecular structures
DOI: 10.1039/C3DT00090G, PaperSamantha J. Bullock, Lindsay P. Harding, Michelle P. Moore, Andrew Mills, Sean A. F. Piela, Craig R. Rice, Liz Towns-Andrews, Martina Whitehead
Ligands that contain both N-donor and N-oxide donor atoms have been synthesised and reaction with 1st row transition metal ions gives mononuclear, dinuclear double helicate and tetranuclear cyclic helicate complexes.
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Selective recognition of sulphate in a Cu(II) assisted 1D polymer of a simple pentafluorophenyl substituted pyridyl-urea via second sphere coordination
DOI: 10.1039/C3DT32710H, PaperBidyut Akhuli, Pradyut Ghosh
Selective second sphere SO42- recognition takes place via a Cu2+ assisted 1D polymer of L1 from a mixture of different cationic and anionic salts whereas L2 shows first sphere coordination of SO42-.
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Cobalt(II), copper(II), zinc(II) and cadmium(II) complexes based on dibenzimidazolyl bidentate ligands with alkanyl linkers: crystal structure, weak interactions and conformations
DOI: 10.1039/C3DT33013C, PaperQing-Xiang Liu, Qing Wei, Xiao-Jun Zhao, Hong Wang, Shu-Juan Li, Xiu-Guang Wang
Eight cobalt(II), copper(II), zinc(II) and cadmium(II) complexes based on dibenzimidazolyl bidentate ligands with alkanyl linkers have been prepared and characterized.
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Long-range and short-range orderings in K4Fe4P5O20 with a natrolite-like framework
DOI: 10.1039/C3DT32897J, PaperZhangzhen He, Weilong Zhang, Wendan Cheng, Atsushi Okazawa, Norimichi Kojima
A natrolite-like compound K4Fe4P5O20 with a tetrahedral spin-lattice shows interesting magnetic behavior at low-temperature.
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Bridged bis(amidinate) lanthanide aryloxides: syntheses, structures, and catalytic activity for addition of amines to carbodiimides
DOI: 10.1039/C3DT33069A, PaperJing Tu, Wenbo Li, Mingqiang Xue, Yong Zhang, Qi Shen
A possible reaction pathway for addition of amines to carbodiimide to guanidines by bridged bis(amidinate) lanthanide aryloxide complexes was studied.
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New ternary ligands consisting of an N4 bridging ligand and two terpyridines, and their Co(II) and Ni(II) dinuclear complexes. Structure, redox properties, and reaction with acid
DOI: 10.1039/C3DT33011G, PaperHiroki Kon, Toshi Nagata
New ternary ligands consisting of two terpyridines and a phthalazine/pyridazine-based N4 bridge, and their cobalt(II) and nickel(II) dinuclear complexes were synthesized.
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Thermodynamic studies of U(VI) complexation with glutardiamidoxime for sequestration of uranium from seawater
DOI: 10.1039/C3DT32940B, PaperGuoxin Tian, Simon J. Teat, Linfeng Rao
Glutardiamidoxime (H2B), a diamidoxime ligand that has implications in sequestering uranium from seawater, forms strong complexes with UO22+. Stability constants and the enthalpies of complexation were measured. The ability of H2B to compete with carbonate for complexing U(VI) at seawater pH was discussed.
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Self-assembly and photocatalytic property of germanoniobate [H6Ge4Nb16O56]10-: encapsulating four {GeO4} tetrahedra within a {Nb16} cage
DOI: 10.1039/C3DT32855D, PaperJian-Qiang Shen, Shuang Yao, Zhi-Ming Zhang, Hai-Hong Wu, Tian-Zhan Zhang, En-Bo Wang
A {Nb16} cage containing four {GeO4} tetrahedra in its internal cavity results in a new germanoniobate [H4Ge4Nb16O54(OH)2]10-, which is connected by a {Na6} into the first germanoniobate-based sandwich structure.
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Remarkable improvements in the stability and thermal conductivity of graphite/ethylene glycol nanofluids caused by a graphene oxide percolation structure
DOI: 10.1039/C3DT32981J, PaperBaogang Wang, Jingcheng Hao, Hongguang Li
A graphene oxide (2 wt%) percolation structure was used to remarkable improve the stability of graphite oxide nanoparticles/ethylene glycol nanofluids.
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Di-maltol-polyamine ligands to form heterotrinuclear metal complexes: solid state, aqueous solution and magnetic characterization
DOI: 10.1039/C3DT32130D, PaperCristiano Benelli, Elisa Borgogelli, Mauro Formica, Vieri Fusi, Luca Giorgi, Eleonora Macedi, Mauro Micheloni, Paola Paoli, Patrizia Rossi
Two new transition metal complex units obtained with the suitable di-maltol-polyamine ligand are able to stabilize M(III) ions, such as Gd(III) and Y(III), in water to form a M(II)-M(III)-M(II) sequence.
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Selective C-F/C-H bond activation of fluoroarenes by cobalt complex supported with phosphine ligands
DOI: 10.1039/C3DT33074E, PaperJunye Li, Tingting Zheng, Hongjian Sun, Wengang Xu, Xiaoyan Li
Selective C-F and C-H activation of polyfluorinated aromatic compounds by tetrakis(trimethylphosphine)cobalt(0) and the related mechanisms are reported.
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Multidimensional crystal frameworks based on heteropoly blue building block of [SiW10MoV2O40]6-: synthesis, structures and magnetic properties
DOI: 10.1039/C3DT32658F, PaperYuchao Wang, Fengyan Li, Lin Xu, Ning Jiang, Xizheng Liu
The preparation of four heteropoly blue (HPB) complexes represents a new strategy to realize HPB-based crystal engineering by facile reaction; this should be an advancement of the coordination chemistry of HPB.
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Theoretical mechanism studies on the electrocatalytic reduction of CO2 to formate by water-stable iridium dihydride pincer complex
DOI: 10.1039/C3DT32984D, PaperLinlin Cao, Chuanzhi Sun, Nan Sun, Lin Meng, Dezhan Chen
The reaction mechanism for electrocatalytic reduction of CO2 to formate by water-stable iridium dihydride pincer complex is studied using density functional theory (DFT).
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A crystallographic and spectroscopic study on the reactions of WCl6 with carbonyl compounds
DOI: 10.1039/C2DT32771F, PaperSara Dolci, Fabio Marchetti, Guido Pampaloni, Stefano Zacchini
The reactions of WCl6 with a series of carbonyl compounds, in a chlorinated solvent, proceed according to various pathways, including C[double bond, length as m-dash]O activation, intermolecular coupling, and reduction of the metal centre.
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New 3d-4f heterometallic clusters built from mixed glycine and iminodiacetate acid: dioctahedron {La2Ni9} and onion-like {Gd5}[subset or is implied by]{Ni12} with interesting magnetocaloric effect
DOI: 10.1039/C3DT32752C, PaperZhong-Yi Li, Jiang Zhu, Xiao-Qun Wang, Jun Ni, Jian-Jun Zhang, Shu-Qin Liu, Chun-Ying Duan
{La2Ni9} and {Ln5}[subset or is implied by]{Ni12} (Ln = Gd, Nd, Sm, Tb, Dy and Y) clusters were derived from mixed HGly and H2IDA ligands. {Gd5}[subset or is implied by]{Ni12} shows a significant magnetocaloric effect.
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