Dalton Transactions

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Anionic coordination complexes of C60 and C70 with cyclopentadienyl and pentamethylcyclopentadienyl molybdenum dicarbonyl

19 May, 2015 - 02:17

Dalton Trans., 2015, 44,9672-9681
DOI: 10.1039/C5DT00970G, PaperDmitri V. Konarev, Alexey V. Kuzmin, Sergey I. Troyanov, Yoshiaki Nakano, Salavat S. Khasanov, Akihiro Otsuka, Hideki Yamochi, Gunzi Saito, Rimma N. Lyubovskaya
Crystalline molybdenum [small eta]2-complexes with fullerenes C60 and C70 in the neutral and negatively charged form were obtained and studied.
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Synthesis, characterization, and atropisomerism of iron complexes containing the tetrakis(2-chloro-6-fluorophenyl)porphyrinate ligand

19 May, 2015 - 02:17

Dalton Trans., 2015, 44,9486-9495
DOI: 10.1039/C5DT01122A, PaperDaniel J. Meininger, Nicanor Muzquiz, Hadi D. Arman, Zachary J. Tonzetich
The synthesis of iron complexes containing the 5,10,15,20-tetrakis(2-chloro-6-fluorophenyl)porphyrin ligand is presented and the factors surrounding the observed atropisomerism are investigated.
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Reduction of titanocene dichloride with dysprosium: access to a stable titanocene(II) equivalent for phosphite-free Takeda carbonyl olefination

19 May, 2015 - 02:17

Dalton Trans., 2015, 44,9359-9362
DOI: 10.1039/C4DT03979C, CommunicationG. Bousrez, I. Dechamps, J.-L. Vasse, F. Jaroschik
A new titanocene(II) equivalent obtained from the reduction of titanocene dichloride with dysprosium allows phosphite-free and simplified Takeda carbonyl olefination reactions.
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Large-scale delamination of multi-layers transition metal carbides and carbonitrides "MXenes"

19 May, 2015 - 02:17

Dalton Trans., 2015, 44,9353-9358
DOI: 10.1039/C5DT01247C, CommunicationMichael Naguib, Raymond R. Unocic, Beth L. Armstrong, Jagjit Nanda
Large-scale delamination of MXenes was achieved by using a simple aqueous organic base treatment followed by agitation in water.
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Palladium(II) complexes with electron-poor, 4,5-disubstituted diimidazol-2-ylidene ligands: synthesis, characterization and catalytic activity

19 May, 2015 - 02:17

Dalton Trans., 2015, 44,9391-9399
DOI: 10.1039/C5DT01067E, PaperPiermaria Pinter, Andrea Biffis, Cristina Tubaro, Mario Tenne, Maria Kaliner, Thomas Strassner
Palladium(II) complexes with N-heterocyclic dicarbene ligands featuring electron-withdrawing substituents have been prepared and tested as catalysts in alkyne hydroarylations.
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Targeted design of a cubic boron imidazolate cage with sensing and reducing functions

19 May, 2015 - 02:17

Dalton Trans., 2015, 44,9367-9369
DOI: 10.1039/C5DT00639B, CommunicationDe-Xiang Zhang, Hai-Xia Zhang, Tian Wen, Jian Zhang
A cubic cationic cage is rationally designed by using tridentate boron-imidazolate ligands to link tetrahedral metal Zn(II) centers, which displays excellent properties in the Cr2O72- exchange and can reduce Au3+ ions into Au nanoparticles directly.
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Spin crossover behaviour in one-dimensional FeII compounds based on the [M(CN)4]2- (M = Pd, Pt) units

19 May, 2015 - 02:17

Dalton Trans., 2015, 44,9682-9690
DOI: 10.1039/C5DT00836K, PaperShao-Liang Zhang, Xin-Hua Zhao, Yuan-Min Wang, Dong Shao, Xin-Yi Wang
Four one-dimensional heterobimetallic spin crossover coordination polymers {Fe(L)2[M(CN)4]}n (M = PdII and PtII) have been synthesized and characterized.
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Divalent metals can reside on bonds in fullerenes

19 May, 2015 - 02:17

Dalton Trans., 2015, 44,9561-9568
DOI: 10.1039/C4DT03766A, PaperXuejiao Gao, Baoyun Sun, Yuliang Zhao, Bo-Zhen Chen, Xingfa Gao
Inside C60, divalent metals prefer to reside on 6/6 bonds whereas trivalent metals prefer to sit above hexagonal rings.
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New donor-acceptor conjugates based on a trifluorenylporphyrin linked to a redox-switchable ruthenium unit

19 May, 2015 - 02:17

Dalton Trans., 2015, 44,9470-9485
DOI: 10.1039/C5DT00348B, PaperAreej Merhi, Xu Zhang, Dandan Yao, Samuel Drouet, Olivier Mongin, Frederic Paul, J. A. Gareth Williams, Mark A. Fox, Christine O. Paul-Roth
Spectroelectrochemical studies show four accessible redox states on dyad 3 with the first oxidation process taking place at the Ru(II) centre and the second oxidation and first reduction processes at the porphyrin centre.
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Synthesis and catalytic application of magnesium complexes bearing pendant indolyl ligands

19 May, 2015 - 02:17

Dalton Trans., 2015, 44,9610-9619
DOI: 10.1039/C5DT01173F, PaperKuo-Fu Peng, Yun Chen, Chi-Tien Chen
A family of magnesium pendant indolyl complexes has been prepared and it exhibited high activities towards the ROP of cyclic esters in the presence of benzyl alcohol.
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Amphiphilic zinc phthalocyanine photosensitizers: synthesis, photophysicochemical properties and in vitro studies for photodynamic therapy

19 May, 2015 - 02:17

Dalton Trans., 2015, 44,9646-9658
DOI: 10.1039/C5DT00747J, PaperDilek Cak[i without dot]r, Meltem Goksel, Volkan Cak[i without dot]r, Mahmut Durmus, Zekeriya Biyiklioglu, Halit Kantekin
Peripherally and non-peripherally tetra-substituted zinc(II) phthalocyanines bearing 2-(2-{2-[3-(dimethylamino)phenoxy]ethoxy}ethoxy)ethoxy and 2-(2-{2-[3-(diethylamino)phenoxy]ethoxy}ethoxy)ethoxy groups (2a, 5a, 3a and 6a) were synthesized by cyclotetramerization of the corresponding phthalonitriles (2, 5, 3 and 6).
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Two novel POM-based inorganic-organic hybrid compounds: synthesis, structures, magnetic properties, photodegradation and selective absorption of organic dyes

19 May, 2015 - 02:17

Dalton Trans., 2015, 44,9496-9505
DOI: 10.1039/C5DT01042J, PaperXue-Jing Dui, Wen-Bin Yang, Xiao-Yuan Wu, Xiaofei Kuang, Jian-Zhen Liao, Rongmin Yu, Can-Zhong Lu
Two novel 2D hybrid materials, based on related polyoxometalate units, exhibit selective absorption of organic dyes and interesting magnetic properties.
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TiO2 nanofibers resembling 'yellow bristle grass' in morphology by a soft chemical transformation

17 May, 2015 - 01:54

Dalton Trans., 2015, 44,9637-9645
DOI: 10.1039/C5DT01027F, PaperSandeep Nandan, T. G. Deepak, Shantikumar V. Nair, A. Sreekumaran Nair
We synthesized a uniquely shaped one-dimensional (1-D) TiO2 nanostructure having the morphology of yellow bristle grass with high surface area by the titanate route under mild reaction conditions.
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An iron(II) spin-crossover metallacycle from a back-to-back bis-[dipyrazolylpyridine]

17 May, 2015 - 01:54

Dalton Trans., 2015, 44,9417-9425
DOI: 10.1039/C5DT00732A, PaperLaurence J. Kershaw Cook, Julie Fisher, Lindsay P. Harding, Malcolm A. Halcrow
Iron(II) and zinc(II) complexes of bis[2,6-di(pyrazol-1-yl)pyrid-4-yl]disulfide assemble into tetranuclear metallacycles according to ES-MS, DOSY NMR and conductivity data. The iron complex exhibits a thermal spin-state equilibrium in solution, which the iron centres appear to undergo independently of each other.
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Large and negative magnetic anisotropy in pentacoordinate mononuclear Ni(II) Schiff base complexes

17 May, 2015 - 01:54

Dalton Trans., 2015, 44,9551-9560
DOI: 10.1039/C5DT00600G, PaperIvan Nemec, Radovan Herchel, Ingrid Svoboda, Roman Boca, Zdenek Travnicek
Pentacoordinate Ni(II) complexes with pentadentate Schiff base ligands possess large and negative values of axial magnetic anisotropy. The relationship between the shape of the coordination polyhedron and uniaxial anisotropy is outlined.
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Simulated sunlight photocatalytic degradation of aqueous p-nitrophenol and bisphenol A in a Pt/BiOBr film-coated quartz fiber photoreactor

17 May, 2015 - 01:54

Dalton Trans., 2015, 44,9439-9449
DOI: 10.1039/C5DT00417A, PaperYanqin Jia, Yuxin Yang, Yingna Guo, Wan Guo, Qin Qin, Xia Yang, Yihang Guo
Pt/BiOBr film-coated quartz fiber bundles were prepared by dip-coating combined with photodeposition, and their phase and chemical structures, electronic and optical properties, textural properties as well as morphologies were well-characterized.
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Geometric and electronic structures of five-coordinate manganese(II) "picket fence" porphyrin complexes

17 May, 2015 - 01:54

Dalton Trans., 2015, 44,9382-9390
DOI: 10.1039/C5DT00685F, PaperQiang Yu, Yanhong Liu, Diansheng Liu, Jianfeng Li
The X-ray structural investigation rationalized the variable axial ligand distances. EPR revealed five resonance positions and the simulations gave reasonable zero field splitting parameters.
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Chiral environment of catalytic sites in the chiral metal-organic frameworks

17 May, 2015 - 01:54

Dalton Trans., 2015, 44,9349-9352
DOI: 10.1039/C5DT01322D, CommunicationMisun Lee, Sung Min Shin, Nakcheol Jeong, Praveen K. Thallapally
Chiral metal-organic frameworks are considered a useful platform in heterogeneous catalysis for enantioselective chemical transformations.
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Diving into the redox properties of Geobacter sulfurreducens cytochromes: a model for extracellular electron transfer

17 May, 2015 - 01:54

Dalton Trans., 2015, 44,9335-9344
DOI: 10.1039/C5DT00556F, PerspectiveTelma C. Santos, Marta A. Silva, Leonor Morgado, Joana M. Dantas, Carlos A. Salgueiro
The redox properties of key cytochromes from Geobacter sulfurreducens are used to present an overview for extracellular electron transfer pathways.
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Multifunctional luminescence properties of co-doped lanthanide metal organic frameworks

17 May, 2015 - 01:54

Dalton Trans., 2015, 44,9588-9595
DOI: 10.1039/C5DT00249D, PaperShanghua Xing, Guang Zeng, Xiaomin Liu, Fen Yang, Zhiqiang Hao, Wei Gao, Yulin Yang, Xiuru Wang, Guanghua Li, Zhan Shi, Shouhua Feng
Multifunctional luminescent materials of six Ln-MOFs have been designed and synthesized by the co-doping strategy. Thus a wide range of light emitting spectra and different temperature-dependent luminescence behavior were displayed.
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