Dalton Transactions

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Synthesis, structural characterization, and some properties of 2-acylmethyl-6-ester group-difunctionalized pyridine-containing iron complexes related to the active site of [Fe]-hydrogenase

12 May, 2014 - 03:17

Dalton Trans., 2014, 43,8062-8071
DOI: 10.1039/C4DT00335G, PaperLi-Cheng Song, Fu-Qiang Hu, Miao-Miao Wang, Zhao-Jun Xie, Kai-Kai Xu, Hai-Bin Song
The first four acylmethyl/ester group-disubstituted pyridine-containing models for [Fe]-hydrogenase have been synthesized and crystallographically characterized.
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Solvent-free synthesis of new metal phosphite-oxalates with open-framework structures

12 May, 2014 - 03:17

Dalton Trans., 2014, 43,7695-7698
DOI: 10.1039/C4DT00202D, CommunicationLin Liu, Daibing Luo, Defu Li, Zhien Lin
Two open-framework metal phosphite-oxalates with diamondoid and pillared-layered structures have been synthesized under solvent-free conditions.
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Limiting nuclearity in formation of polynuclear metal complexes through [2 + 3] cycloaddition: synthesis and magnetic properties of tri- and pentanuclear metal complexes

12 May, 2014 - 03:17

Dalton Trans., 2014, 43,8083-8093
DOI: 10.1039/C4DT00378K, PaperManideepa Saha, Rajendar Nasani, Mriganka Das, Arup Mahata, Biswarup Pathak, Shaikh M. Mobin, Luca M. Carrella, Eva Rentschler, Suman Mukhopadhyay
The cycloaddition reaction between [Ni(L)(N3)] and different organonitriles afforded tetrazolate bridged tri- and pentanuclear nickel(II) complexes.
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Grafting of a rhenium-oxo complex on Schiff base functionalized graphene oxide: an efficient catalyst for the oxidation of amines

8 May, 2014 - 02:17

Dalton Trans., 2014, 43,8054-8061
DOI: 10.1039/C3DT53421A, PaperPraveen K. Khatri, Shivani Choudhary, Raghuvir Singh, Suman L. Jain, Om P. Khatri
A rhenium-oxo complex such as methyltrioxorhenium (MTO) has been homogeneously immobilized on a Schiff base modified graphene oxide (GrO) support via covalent bonding.
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Controlled synthesis of Au-Fe3O4 hybrid hollow spheres with excellent SERS activity and catalytic properties

8 May, 2014 - 02:17

Dalton Trans., 2014, 43,7998-8006
DOI: 10.1039/C4DT00312H, PaperQian Gao, Aiwu Zhao, Hongyan Guo, Xucheng Chen, Zibao Gan, Wenyu Tao, Maofeng Zhang, Rong Wu, Zhenxin Li
Here demonstrated a facile one-pot hydrothermal method for the controlled synthesis of porous Au-Fe3O4 hybrid hollow spheres. The obtained spheres exhibit superior SERS sensitivity and excellent catalytic activity.
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The first ruthenium-silsesquioxyl complexes - synthesis, structure and mechanistic implications in silylative coupling

8 May, 2014 - 02:17

Dalton Trans., 2014, 43,7911-7916
DOI: 10.1039/C4DT00553H, PaperPatrycja Zak, Maciej Kubicki, Bogdan Marciniec, Szymon Rogalski, Cezary Pietraszuk, Dawid Frackowiak
The first ruthenium-silsesquioxyl complexes have been synthesised and characterized. The complexes obtained were proved to be intermediates in the catalytic cycle of silylative coupling of olefins with vinylsilsesquioxane.
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The influence of H-bonding on the 'ambidentate' coordination behaviour of the thiocyanate ion to Cd(II): a combined experimental and theoretical study

8 May, 2014 - 02:17

Dalton Trans., 2014, 43,8007-8015
DOI: 10.1039/C3DT53318B, PaperAlokesh Hazari, Lakshmi Kanta Das, Antonio Bauza, Antonio Frontera, Ashutosh Ghosh
The importance of H-bonding in stabilizing the unusual S-coordination of the thiocyanate ion to Cd(II) in hetero-metallic Cu2Cd compounds has been established by structural analyses and DFT studies.
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The role of iron(II) dilution in the magnetic and photomagnetic properties of the series [FexZn1-x(bpp)2](NCSe)2

8 May, 2014 - 02:17

Dalton Trans., 2014, 43,7820-7829
DOI: 10.1039/C3DT52964A, PaperCherif Balde, Cedric Desplanches, Frederic Le Gac, Philippe Guionneau, Jean-Francois Letard
Thermal and light induced spin crossover properties of a series of metal diluted [FexZn1-x(bpp)2](NCSe)2 materials as well as the structural investigation of the [Fe0.6Zn0.4(bpp)2](NCSe)2 complex are presented.
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A new fluorescent probe for Zn2+ with red emission and its application in bioimaging

8 May, 2014 - 02:17

Dalton Trans., 2014, 43,8048-8053
DOI: 10.1039/C4DT00167B, PaperYiqun Tan, Min Liu, Junkuo Gao, Jiancan Yu, Yuanjing Cui, Yu Yang, Guodong Qian
Selectively probing Zn2+in vivo! A new fluorescent probe highly sensitive and selective for Zn2+ based on the ICT effect was designed. This probe showed potential application in biology.
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Novel ruthenium sensitizers with a dianionic tridentate ligand for dye-sensitized solar cells: the relationship between the solar cell performances and the electron-withdrawing ability of substituents on the ligand

8 May, 2014 - 02:17

Dalton Trans., 2014, 43,8026-8036
DOI: 10.1039/C3DT52873A, PaperHironobu Ozawa, Shunsuke Honda, Daichi Katano, Takahito Sugiura, Hironori Arakawa
Linear relationship between the conversion efficiency and [capital Delta]G2 was observed in the dye-sensitized solar cells with TUS sensitizers.
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Efficient and versatile catalysis of N-alkylation of heterocyclic amines with alcohols and one-pot synthesis of 2-aryl substituted benzazoles with newly designed ruthenium(II) complexes of PNS thiosemicarbazones

8 May, 2014 - 02:17

Dalton Trans., 2014, 43,7889-7902
DOI: 10.1039/C4DT00006D, PaperRangasamy Ramachandran, Govindan Prakash, Sellappan Selvamurugan, Periasamy Viswanathamurthi, Jan Grzegorz Malecki, Venkatachalam Ramkumar
Efficient catalytic N-alkylation of amines using Ru(II) catalysts with good yields and high selectivity.
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Novel ruthenium(II) polypyridyl complexes as G-quadruplex stabilisers and telomerase inhibitors

8 May, 2014 - 02:17

Dalton Trans., 2014, 43,7811-7819
DOI: 10.1039/C3DT53547A, PaperGuoliang Liao, Xiang Chen, Jingheng Wu, Chen Qian, Hanqiang Wang, Liangnian Ji, Hui Chao
Two ruthenium(II) polypyridyl complexes, Ru[(bpy)2(pedppz)]2+ (1) and Ru[(bpy)2(pemitatp)]2+ (2), show inhibition towards telomerase by inducing and stabilising the human telomeric d[(TTAGGG)n] quadruplex.
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A comparative synthetic, magnetic and theoretical study of functional M4Cl4 cubane-type Co(II) and Ni(II) complexes

8 May, 2014 - 02:17

Dalton Trans., 2014, 43,7847-7859
DOI: 10.1039/C4DT00306C, PaperAlessio Ghisolfi, Kirill Yu. Monakhov, Roberto Pattacini, Pierre Braunstein, Xavier Lopez, Coen de Graaf, Manfred Speldrich, Jan van Leusen, Helmut Schilder, Paul Kogerler
Chemical and physical studies of the new isostructural M4Cl4 cubane-type Co (1) and Ni (2) complexes were performed; only 2 was considered an SMM.
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Porphyrins with a carbosilane dendrimer periphery as synthetic components for supramolecular self-assembly

8 May, 2014 - 02:17

Dalton Trans., 2014, 43,7868-7888
DOI: 10.1039/C3DT53535E, PaperZakariyya Ishtaiwi, Tobias Ruffer, Sami Klaib, Roy Buschbeck, Bernhard Walfort, Heinrich Lang
A series of new (metallo)porphyrins featuring the 0th and 1st generation shape-persistent phenylene-based carbosilane dendrons forming supermolecular self-assembled 2D and 3D network structures is discussed.
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Synthesis, spectroscopy, and binding constants of ketocatechol-containing iminodiacetic acid and its Fe(III), Cu(II), and Zn(II) complexes and reaction of Cu(II) complex with H2O2 in aqueous solution

8 May, 2014 - 02:17

Dalton Trans., 2014, 43,7964-7978
DOI: 10.1039/C4DT00118D, PaperJiaojiao Gao, Feifei Xing, Yueling Bai, Shourong Zhu
A ketocatechol-containing iminodiacetic acid ligand can react with metal ions to form different colored species. Its copper(II) complex reacts with H2O2 to form different species depending on the H2O2 concentration and pH.
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Base-promoted aryl-bromine bond cleavage with cobalt(II) porphyrins via a halogen atom transfer mechanism

8 May, 2014 - 02:17

Dalton Trans., 2014, 43,7771-7779
DOI: 10.1039/C4DT00155A, PaperChun Ran Liu, Ying Ying Qian, Kin Shing Chan
Aryl-bromine bonds are successfully cleaved by cobalt(II) porphyrins in basic media to give Co(por)Ar (por = porphyrin) through a halogen atom transfer mechanism.
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Borohydrides: from sheet to framework topologies

8 May, 2014 - 02:17

Dalton Trans., 2014, 43,7726-7733
DOI: 10.1039/C4DT00160E, PaperP. Schouwink, M. B. Ley, T. R. Jensen, L'. Smrcok, R. Cerny
We stabilized two-dimensional light-metal tetrahedral Li-Mg-BH4 frameworks by introducing large counter-cations, the system LiBH4-Mg(BH4)2 being subject to eutectic melting. An obvious similarity to aluminosilicates points towards the existence of zeolite-type hydridic borohydride frameworks.
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Reduced monoclinic BiVO4 for improved photoelectrochemical oxidation of water under visible light

8 May, 2014 - 02:17

Dalton Trans., 2014, 43,7691-7694
DOI: 10.1039/C3DT53575D, CommunicationDong-Dong Qin, Ting Wang, Yu-Min Song, Chun-Lan Tao
A facile and effective method to enhance the performance of a monoclinic BiVO4 film for photoelectrochemical water oxidation by electrochemical and NaBH4 reduction was developed.
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Zinc metal-organic frameworks: efficient catalysts for the diastereoselective Henry reaction and transesterification

8 May, 2014 - 02:17

Dalton Trans., 2014, 43,7795-7810
DOI: 10.1039/C4DT00219A, PaperAnirban Karmakar, M. Fatima C. Guedes da Silva, Armando J. L. Pombeiro
Three new amidoterephthalate ligands are utilized to synthesize three new zinc(II) metal-organic frameworks which act as heterogeneous catalysts for the diastereoselective nitroaldol (Henry) and transesterification reactions.
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The various architectures and properties of a series of coordination polymers tuned by the central metals

8 May, 2014 - 02:17

Dalton Trans., 2014, 43,8072-8082
DOI: 10.1039/C4DT00064A, PaperXiu-Li Wang, Jian Luan, Hong-Yan Lin, Mao Le, Guo-Cheng Liu
Five new metal-organic coordination polymers with different central metals have been hydrothermally synthesized. The electrochemical properties of 1-3 and fluorescent sensing behaviors of 4-5 toward ethanol and nitrobenzene have been investigated.
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