Dalton Transactions
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Supramolecular lanthanide metallogrids exhibiting field-induced single-ion magnetic behavior
DOI: 10.1039/C3DT50265A, CommunicationShu-Qi Wu, Qi-Wei Xie, Guang-Yu An, Xi Chen, Cai-Ming Liu, Ai-Li Cui, Hui-Zhong Kou
Four discrete lanthanide ions have been incorporated in a nanosized supramolecular grid by using a rigid bi-Schiff base ligand. The intermetallic magnetic coupling has been significantly weakened due to the large separation of Ln(III) ions.
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Methylene-bridged bimetallic [small alpha]-diimino nickel(II) complexes: synthesis and high efficiency in ethylene polymerization
DOI: 10.1039/C3DT00023K, PaperShaoliang Kong, Kuifeng Song, Tongling Liang, Cun-Yue Guo, Wen-Hua Sun, Carl Redshaw
Nickel bromides (Ni1-Ni5) and bi-metallic nickel halides (Ni2-1-Ni2-6) (see opposite) are highly active ethylene polymerization catalysts upon activation with Et2AlCl or MAO. The bi-nuclear complexes exhibited a positive synergetic effect.
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Synthesis and photocatalytic activity of porous anatase TiO2 microspheres composed of {010}-faceted nanobelts
DOI: 10.1039/C3DT33053B, CommunicationJun Zhao, Xiao-Xin Zou, Juan Su, Pei-Pei Wang, Li-Jing Zhou, Guo-Dong Li
Porous anatase TiO2 microspheres composed of {010}-faceted nanobelts were synthesized through simple thermal treatment of a titanium glycerolate precursor.
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Iron vs. cobalt clathrochelate electrocatalysts of HER: the first example on a cage iron complex
DOI: 10.1039/C3DT33073G, CommunicationAlexander V. Dolganov, Alexander S. Belov, Valentin V. Novikov, Anna V. Vologzhanina, Andriy Mokhir, Yurii N. Bubnov, Yan Z. Voloshin
New macrobicyclic 2-thiopheneboron-capped iron and cobalt(II) tris-dioximates showed high electrocatalytic activity for hydrogen production from H+ ions.
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Phase transformation of ultrathin nanowires through lanthanide doping: from InOOH to rh-In2O3
DOI: 10.1039/C3DT32929A, CommunicationWen-Hui Zhang, Feng Wang, Wei-De Zhang
Gadolinium doping provides facile access to ultrathin rh-In2O3 nanowires with simultaneous control on phase and morphology.
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A novel CMPO-functionalized task specific ionic liquid: synthesis, extraction and spectroscopic investigations of actinide and lanthanide complexes
DOI: 10.1039/C3DT32967D, CommunicationPrasanta K. Mohapatra, Pankaj Kandwal, Mudassir Iqbal, Jurriaan Huskens, Mallekav S. Murali, Willem Verboom
A novel CMPO-TSIL was synthesized, evaluated for actinide/lanthanide extraction from acidic feeds and spectroscopic studies were carried out.
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A pentacenequinone derivative with aggregation-induced emission enhancement characteristics for the picogram detection of Fe3+ ions in mixed aqueous media
DOI: 10.1039/C3DT32546F, PaperVandana Bhalla, Ankush Gupta, Manoj Kumar
Paper strips coated with pentacenequinone derivative 1 can detect Fe3+ ions at the picogram level in aqueous solution.
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Selective oxidation of thiourea with H2O2 catalyzed by [RuIII(edta)(H2O)]-: kinetic and mechanistic studies
DOI: 10.1039/C3DT32737J, PaperDebabrata Chatterjee, Sabine Rothbart, Rudi van Eldik
The first example of a ruthenium complex, [RuIII(edta)(H2O)]- (edta = ethylenediaminetetraacetate), that catalyzes the oxidation of thiourea in the presence of H2O2 was studied to elucidate the mechanism of the catalytic process.
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Chlorido-containing ruthenium(II) and iridium(III) complexes as antimicrobial agents
DOI: 10.1039/C3DT32775B, PaperMallesh Pandrala, Fangfei Li, Marshall Feterl, Yanyan Mulyana, Jeffrey M. Warner, Lynne Wallace, F. Richard Keene, J. Grant Collins
Dinuclear polypyridyl-ruthenium(II) and -iridium(III) complexes containing chlorido ligands exhibit high levels of antimicrobial activity against Gram positive, including methicillin-resistant Staphylococcus aureus (MRSA), and Gram negative bacteria.
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The synthesis and antiparasitic activity of aryl- and ferrocenyl-derived thiosemicarbazone ruthenium(II)-arene complexes
DOI: 10.1039/C3DT32740J, PaperMuneebah Adams, Yiqun Li, Heena Khot, Carmen De Kock, Peter J. Smith, Kirkwood Land, Kelly Chibale, Gregory S. Smith
A series of monothiosemicarbazone Ru(II)-arene complexes have been synthesised and their in vitro pharmacological activities established against P. falciparum and T. vaginalis.
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Highly selective binding of nitric oxide by CoIII and FeIII complexes
DOI: 10.1039/C2DT32708B, PaperZizheng Zhang, Tatsuya Suwabe, Mai Ishikawa, Yasuhiro Funahashi, Tomohiko Inomata, Tomohiro Ozawa, Hideki Masuda
The CoIII and FeIII complexes with N2O2-type donor sets were designed and synthesized as compounds with highly selective binding activity for NO.
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Design and synthesis of donor-acceptor pyrazabole derivatives for multiphoton absorption
DOI: 10.1039/C3DT33065F, CommunicationThaksen Jadhav, Ramesh Maragani, Rajneesh Misra, V. Sreeramulu, D. Narayana Rao, Shaikh M. Mobin
A series of ferrocenyl substituted pyrazaboles were prepared, which have an electron-withdrawing pyrazabole moiety as the central core, with a D-[small pi]-A-[small pi]-D structural motif (D = donor, A = acceptor) and containing a variety of [small pi] bridges.
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Thermodynamic stability and relaxation studies of small, triaza-macrocyclic Mn(II) chelates
DOI: 10.1039/C2DT32496B, PaperArsenio de Sa, Celia S. Bonnet, Carlos F. G. C. Geraldes, Eva Toth, Paula M. T. Ferreira, Joao P. Andre
Three new Mn2+ chelates based on triazadicarboxylate-type ligands were synthesized and fully characterized as potential MRI contrast agents. They show relaxivities that are superior to other Mn2+ chelates and comparable to that of small monohydrated Gd3+ complexes.
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Reactivity of HTcO4 with methanol in sulfuric acid: Tc-sulfate complexes revealed by XAFS spectroscopy and first principles calculations
DOI: 10.1039/C3DT32951H, CommunicationFrederic Poineau, Philippe F. Weck, Benjamin P. Burton-Pye, Ibthihel Denden, Eunja Kim, William Kerlin, Konstantin E. German, Massoud Fattahi, Lynn C. Francesconi, Alfred P. Sattelberger, Kenneth R. Czerwinski
The reaction between HTcO4 and MeOH in H2SO4 was investigated by NMR, UV-vis, XAFS spectroscopy and DFT.
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Lead(II) tetrafluoroborate and hexafluorophosphate complexes with crown ethers, mixed O/S- and O/Se-donor macrocycles and unusual [BF4]- and [PF6]- coordination
DOI: 10.1039/C3DT32999B, PaperPaolo Farina, Thomas Latter, William Levason, Gillian Reid
Complexes of Pb[BF4]2, Pb[PF6]2 and Pb[NO3]2 with oxa-thia and oxa-selena crowns have been prepared and examples with chelating PF6- and bridging and chelating BF4- groups have been identified.
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Enhanced selectivity of CO2 over CH4 in sulphonate-, carboxylate- and iodo-functionalized UiO-66 frameworks
DOI: 10.1039/C3DT32288B, PaperShyam Biswas, Jian Zhang, Zhibao Li, Ying-Ya Liu, Maciej Grzywa, Lixian Sun, Dirk Volkmer, Pascal Van Der Voort
Three functionalized Zr-based metal-organic frameworks UiO-66-X (X = -SO3H, -CO2H, -I) having improved CO2/CH4 adsorption selectivity are presented.
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On the role of strong electron correlations in the surface properties and chemistry of uranium dioxide
DOI: 10.1039/C3DT32536A, PaperPhilippe F. Weck, Eunja Kim, Carlos F. Jove-Colon, David C. Sassani
The role of strong electron correlations in the surface properties and chemistry of UO2 is investigated using density functional theory corrected with a Hubbard parameter. Calculations reveal that key properties controlling the surface reactivity are very sensitive to this parameter.
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Metal-free dehydrogenation of amine-boranes by an N-heterocyclic carbene
DOI: 10.1039/C3DT32988G, PaperKyle J. Sabourin, Adam C. Malcolm, Robert McDonald, Michael J. Ferguson, Eric Rivard
N-Heterocyclic carbenes were shown to be effective stoichiometric dehydrogenation agents for various amine-borane adducts.
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Solvent and metal dependent 1H NMR hyperfine shifts in paramagnetic pentaamminemetal cyanide-bridged mixed-valence complexes
DOI: 10.1039/C3DT32978J, PaperWilliam Michael Laidlaw, Amber L. Thompson, Robert Gordon Denning
The axial and equatorial ammine 1H chemical shifts in cyanide-bridged mixed-valence complexes are very sensitive to electronic structure perturbations produced by changing the solvent and the remote metal centre.
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Facile synthesis of a surface plasmon resonance-enhanced Ag/AgBr heterostructure and its photocatalytic performance with 450 nm LED illumination
DOI: 10.1039/C3DT32813A, PaperKai Dai, Luhua Lu, Jun Dong, Ziye Ji, Guangping Zhu, Qinzhuang Liu, Zhongliang Liu, Yongxing Zhang, Dongpei Li, Changhao Liang
A plasmonic Ag/AgBr heterostructure with high visible light photocatalytic activity was successfully synthesized.
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