Dalton Transactions
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Remarkable acidity independent actinide extraction with a both-side diglycolamide-functionalized calix[4]arene
DOI: 10.1039/C3DT50557J, CommunicationPrasanta K. Mohapatra, Arijit Sengupta, Mudassir Iqbal, Jurriaan Huskens, Shrikant V. Godbole, Willem Verboom
A novel both side diglycolamide-functionalized calixarene was used in ionic liquid for a remarkably efficient extraction of actinide ions, especially, Am3+.
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Cuprous hydroxide in a solid form: does it exist?
DOI: 10.1039/C3DT50351H, PaperInna L. Soroka, Andrey Shchukarev, Mats Jonsson, Nadezda V. Tarakina, Pavel A. Korzhavyi
Unknown cuprous hydroxide in a solid form, recently proved to exist theoretically, has been synthesized using different routes. The reduction of Cu2+ with ferrous EDTA results in the formation of a yellow powder precipitate whose composition corresponds to CuOH [times] H2O. A similar compound has been found on the surface of Cu-CuH powder stored in water. Our study reveals that solid cuprous hydroxide most likely exists in a hydrated form.
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An investigation of crystal structure, surface area and surface chemistry of strontium niobate and their influence on photocatalytic performance
DOI: 10.1039/C3DT32064B, PaperParaskevi Efstathiou, Xiaoxiang Xu, Herve Menard, John T. S. Irvine
Sr1-xNbO3 is an unusual material that displays both metallic type conduction and photocatalytic activity, despite being an NbIV oxide, and it sustains photo-oxidation without degradation.
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Tetranuclear organometallic complexes based on 1,2-ethanedithiolate ligands as potential precursors for CuMS2 (M = Ga, In)
DOI: 10.1039/C3DT50461A, PaperDirk Friedrich, Oliver Kluge, Marcus Kischel, Harald Krautscheid
Complexes [(iPr3PCu)2(MR2)2(SCH2CH2S)2] and [(iPr3PCu)3(MR2)(SCH2CH2S)2] (M = Ga, In; R = Me, Et, iPr, nBu) are described. The first group is discussed as potential CuMS2 precursors.
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A cobalt-based 3D porous framework with excellent catalytic ability for the selective oxidation of cis-cyclooctene
DOI: 10.1039/C3DT50747E, CommunicationGuangju Zhang, Hao Li, Fangfang Zhao, Hailiang Hu, Hui Huang, Haitao Li, Xiao Han, Ruihua Liu, Huan Dong, Yang Liu, Zhenhui Kang
Cobalt-based porous framework with two types of 1D channels possess excellent catalytic ability for the selective oxidation of cis-cyclooctene.
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A highly selective ratiometric fluorescent chemosensor for Cd2+ ions
DOI: 10.1039/C3DT50640A, CommunicationLi-Kun Zhang, Qing-Xiao Tong, Long-Ji Shi
A highly selective ratiometric fluorescent chemosensor for Cd2+ ion was developed based on phenanthroxazole derivative.
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High symmetry superoctahedron cluster [MnIII18O14]26+ from the use of N,N,N[prime or minute],N[prime or minute]-tetrakis(2-hydroxyethyl)ethylenediamine
DOI: 10.1039/C3DT50695A, CommunicationAi-Ju Zhou, Ji-Dong Leng, Jin-Sheng Hu, Ming-Liang Tong
The combination of a flexible hexadentate aminoalcohol ligand and oxo-centered manganese core affords a Mn18 cluster, exhibiting an aesthetically pleasing appearance of a highly-symmetric superoctahedron and slow magnetic relaxation behaviour.
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Disulfide/thiol switches in thiosemicarbazone ligands for redox-directed iron chelation
DOI: 10.1039/C3DT50824B, CommunicationTsuhen M. Chang, Elisa Tomat
Thiosemicarbazone pro-chelators are activated for iron coordination following disulfide reduction. Their antiproliferative activity is assessed in human cancer cells.
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A novel VIVO-pyrimidinone complex: synthesis, solution speciation and human serum protein binding
DOI: 10.1039/C3DT50553G, PaperGisela Goncalves, Isabel Tomaz, Isabel Correia, Luis F. Veiros, M. Margarida C. A. Castro, Fernando Avecilla, Lorena Palacio, Miguel Maestro, Tamas Kiss, Tamas Jakusch, M. Helena V. Garcia, Joao Costa Pessoa
A new pyrimidinone is synthesized and the binding of its VIVO2+ complexes with serum proteins is reported.
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Functionalized cyclopentadienyl rhodium(III) bipyridine complexes: synthesis, characterization, and catalytic application in hydrogenation of ketones
DOI: 10.1039/C3DT50445J, PaperWan-Hui Wang, Yuki Suna, Yuichiro Himeda, James T. Muckerman, Etsuko Fujita
A series of highly functionalized [Cp[prime or minute]Rh(bpy)Br]+ has been synthesized, fully characterized, and utilized in the hydrogenation of ketones.
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Spins on a curved surface: an FeIII14 ferracalixarene
DOI: 10.1039/C3DT50345C, PaperAyuk M. Ako, Yanhua Lan, Valeriu Mereacre, Eliseo Ruiz, Daniel Aravena, Christopher E. Anson, Annie K. Powell
Within a hybrid inorganic-organic tetradecanuclear FeIII "ferracalixarene" hosting a chloride anion, the iron atoms define a strongly curved surface. A spin structure for the S = 7 ground state can be proposed using a combination of magnetic susceptibility and DFT calculations.
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Improving the bioactivity of Zn(II)-curcumin based complexes
DOI: 10.1039/C3DT50513H, PaperDaniela Pucci, Alessandra Crispini, Barbara Sanz Mendiguchia, Sante Pirillo, Mauro Ghedini, Sabrina Morelli, Loredana De Bartolo
The substitution of single building blocks around a Zn(II) curcumin fragment allowed the synthesis of emissive Zn(II) complexes whose biological activity has been evaluated in a biohybrid membrane system.
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Synthesis of the bismuth oxyhalide solid solutions with tunable band gap and photocatalytic activities
DOI: 10.1039/C3DT50498K, PaperKuaixia Ren, Jie Liu, Jie Liang, Kun Zhang, Xiao Zheng, Hongde Luo, Yunbo Huang, Pujun Liu, Xibin Yu
Tunable band gaps and controllable structure of bismuth oxyhalide solid solutions and high photocatalytic activity on the degradation of RhB.
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Azide alkyne cycloaddition facilitated by hexanuclear rhenium chalcogenide cluster complexes
DOI: 10.1039/C3DT50436K, PaperStanley A. Knott, Jeffrey N. Templeton, Jessica L. Durham, Angela M. Howard, Robert McDonald, Lisa F. Szczepura
Azide ligands coordinated to hexanuclear cluster cores undergo reaction with activated alkynes to form triazolate rings.
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Copper doped TiO2 nanoparticles characterized by X-ray absorption spectroscopy, total scattering, and powder diffraction - a benchmark structure-property study
DOI: 10.1039/C3DT00122A, PaperNina Lock, Ellen M. L. Jensen, Jianli Mi, Aref Mamakhel, Katarina Noren, Meng Qingbo, Bo B. Iversen
EXAFS, powder diffraction and UV-VIS spectroscopy were used to study the structure and properties of nanocrystalline copper doped anatase TiO2.
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On the role of non-covalent interactions in the assembly of 3D zirconium methyl- and ethyl-N,N-bis phosphonates
DOI: 10.1039/C3DT50400J, PaperMarco Taddei, Riccardo Vivani, Ferdinando Costantino
The influence of the non-covalent interactions in the structure of two 3D zirconium phosphonates containing short alkyl groups has been investigated. The structures are assembled in a way that resembles that of amphiphilic systems.
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Synthesis and crystal structure of Fe6Ca2(SeO3)9Cl4 - a porous oxohalide
DOI: 10.1039/C3DT50952D, CommunicationShichao Hu, Mats Johnsson
A new porous oxohalide, Fe6Ca2(SeO3)9Cl4, is synthesized and characterized. The compound can be described as an open 3D framework where the Cl- and the lone-pairs on Se4+ are facing the channels, which are unusually large for an oxohalide, with a diameter of [similar]6.4 A.
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Ferracyclic carbamoyl complexes related to the active site of [Fe]-hydrogenase
DOI: 10.1039/C3DT50642H, PaperPeter J. Turrell, Amanda D. Hill, Saad K. Ibrahim, Joseph. A. Wright, Christopher J. Pickett
Designing models of the 'third' hydrogenase: deployment of an amine group juxtaposed to the iron centre.
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Dimeric copper(II) complex of a new Schiff base ligand: Effect of morphology on the catalytic oxidation of aromatic alcohol
DOI: 10.1039/C3DT50348H, CommunicationRavinder Kumar, Kuldeep Mahiya, Pavan Mathur
The loss in morphology is found to result in a loss of catalytic efficiency upon reuse.
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The syntheses and characterizations of vanadium complexes with 1,2-dihydroxyanthraquinone and the structure-effect relationship in their in vitro anticancer activities
DOI: 10.1039/C3DT50865J, PaperShizhen Du, Jun Feng, Xiaoming Lu, Guo Wang
[VVO2(O2C14H6O2)(C5N2H12)](C5N2H13)(CH3OH) (1) and {Na[VVO(O2C14H6O2)2][(CH3)2NCHO]}n (2) have been synthesized by the reaction of V2O5 and NaVO3 with 1,2-dihydroxyanthraquinone, and their molecular and crystal structures have been determined by X-ray diffraction.
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