Dalton Transactions

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Oxy-functionalization of Group 9 and 10 transition metal methyl ligands: use of pyridine-based hemi-labile ligands

7 April, 2014 - 18:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT00371C, PaperBruce M. Prince, T. Brent Gunnoe, Thomas R. Cundari
Hemi-labile ligands (HLLs) are intriguing candidates for catalysts since they may facilitate bond activation and bond formation through facile ligand dissociation/association.
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Base-promoted aryl-bromine bond cleavage with cobalt(II) porphyrins via a halogen atom transfer mechanism

7 April, 2014 - 18:54

Dalton Trans., 2014, Advance Article
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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Metallicity in fullerides

7 April, 2014 - 18:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT00206G, PerspectiveKatalin Kamaras, Gyongyi Klupp
Taking the molecular viewpoint helps to understand "nonconventional" metallic states in fulleride salts.
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Mononuclear anionic AO2X3 compounds with non-VSEPR structure

7 April, 2014 - 18:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT00525B, PaperM. Angeles Garcia-Monforte, Miguel Baya, M. Pilar Betore, Antonio Martin, Babil Menjon
Mononuclear (MoO2X3)- compounds exhibit edge-capped tetrahedral structures, as has been theoretically calculated for X = H, Cl and CN and experimentally found for X = C6F5.
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Exclusive selectivity of multidentate ligands independent on the oxidation state of cobalt: influence of steric hindrance on dioxygen binding and phenoxazinone synthase activity

7 April, 2014 - 18:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C3DT53546K, PaperAnangamohan Panja
Exclusive selectivity of the acyclic Schiff dibasic form of the ligand over the heterocyclic analogue is reported in the cobalt chemistry. The pronounced effect of the methyl substitutions (position of substitution) on their crystal structures and chemical reactivity has been observed.
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Structural and spectroscopic properties of Yb3+-doped MgAl2O4 nanocrystalline spinel

7 April, 2014 - 18:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C3DT53644K, PaperRafal J. Wiglusz, Georges Boulon, Yannick Guyot, Malgorzata Guzik, Dariusz Hreniak, Wieslaw Strek
Pechini's sol-gel method was successfully applied to obtain an Yb3+-doped MgAl2O4 spinel nanopowder. The regularity between the observed structural and spectroscopic measurements was described in detail.
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A novel red phosphor BaTiF6:Mn4+: etching reaction mechanism, microstructures, optical properties, and application for white LEDs

7 April, 2014 - 18:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT00781F, CommunicationYuexiao Pan, Xianyu Jiang, Zhen Chen, Shaoming Huang, Jiaguo Wang
A novel red phosphor BaTiF6:Mn4+ with morphologies of micro rods and polyhedrons have been prepared respectively by etching TiO2 and Ti(OC4H9)4 in HF solution with optimized concentration of KMnO4 at...
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Chemical bond properties and charge transfer bands of O2--Eu3+, O2--Mo6+ and O2--W6+ in Eu3+-doped garnet hosts Ln3M5O12 and ABO4 molybdates and tungstates phosphors

7 April, 2014 - 18:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT00674G, PaperXiao Guang Liu, Li Ling, Hyeon Mi Noh, Byung Kee Moon, byung Chun Choi, Jung Hyun Jeong
Charge transfer (CT) energy from the ligand to the central ions is an important factor in luminescence properties for rare earth doped inorganic phosphors. The dielectric theory of complex crystals...
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Water-soluble DNA minor groove binders as potential chemotherapeutic agents: Synthesis, characterization, DNA binding and cleavage, antioxidation, cytotoxicity and HSA interactions

7 April, 2014 - 18:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C3DT53577K, PaperXia-Bing Fu, Dan-Dan Liu, Yuan Lin, Wei Hu, Zong-Wan Mao, Xue-Yi Le
Two new water-soluble copper(II)-dipeptide complexes: [Cu(glygly)(PyTA)]ClO4[round bullet, filled]1.5H2O (1) and [Cu(glygly)(PzTA)]ClO4[round bullet, filled]1.5H2O (2) (glygly = glycylglycine anion, PyTA = 2,4-diamino-6-(2'-pyridyl)-1,3,5-triazine) and PzTA = 2,4-diamino-6-(2'-pyrazino)-1,3,5-triazine), utilizing two interrelated DNA base-like ligands (PyTA and PzTA),...
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Clathrochelates meet phosphorus: Thiophosphorylation of iron(II) dichlorochlathrochelate precursor, synthesis of N,S-donor macrobicyclic ligands and their palladium(II) complexes as potent catalysts of Suzuki cross-coupling reaction

7 April, 2014 - 18:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C3DT53590H, PaperOleg I. Artyushin, Irina Odinets, Ekaterina Matveeva, Anna V. Vologzhanina, Oleg A. Varzatskii, Sergey Evgenevich Lyubimov, Yan Z. Voloshin
Nucleophilic substitution of an iron(II) dichloroclathrochelate with diphenylphosphine sulfide under PTC afforded a monophosphorylated cage complex. This precursor undergoes further nucleophilic substitution with mono- and diamines giving P,N-substituted mono- and...
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A reduced graphene oxide supported Cu3SnS4 composite as an efficient visible-light photocatalyst

7 April, 2014 - 18:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT00070F, PaperHong Liu, Zhen Chen, Zhitong Jin, Yun Su, Yong Wang
A novel Cu3SnS4/reduced graphene oxide photocatalyst with high visible-light photocatalytic activity has been synthesized by a facile one-step solvothermal method.
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Folates are potential ligands for ruthenium compounds in vivo

7 April, 2014 - 18:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT00081A, CommunicationTom G. Scrase, Simon M. Page, Paul D. Barker, Sally R. Boss
A labile ruthenium(II) complex has been observed to chelate to folates under physiologically relevant conditions. The diastereomeric complexes formed would interfere with the one-carbon carrying role of folate in vivo. This highlights the importance of considering small molecules alongside macromolecules when determining the chemical origins of cytotoxicity of metallodrug candidates.
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New perspectives in hydrogen storage based on RCH2NH2/RCN couples

7 April, 2014 - 18:54

Dalton Trans., 2014, 43,6283-6286
DOI: 10.1039/C3DT53583E, FrontierM. Grellier, S. Sabo-Etienne
A possible LOHC facility from an amine/nitrile couple.
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Stereoselective formation of a meso-diruthenium(II,II) complex and tuning the properties of its monoruthenium analogues

7 April, 2014 - 18:54

Dalton Trans., 2014, 43,6567-6577
DOI: 10.1039/C4DT00112E, PaperAmlan K. Pal, Garry S. Hanan
Ruthenium(II) complexes of strong [sigma]-donating ligands have been synthesized and characterized by various analytical techniques including DFT and TD-DFT calculations. Due to unique design of a bis(bidentate) ligand, the meso-diruthenium(II,II) complex was isolated with high diastereoselectivity.
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A series of NiII-flavonolate complexes as structural and functional ES (enzyme-substrate) models of the NiII-containing quercetin 2,3-dioxygenase

7 April, 2014 - 18:54

Dalton Trans., 2014, 43,6480-6489
DOI: 10.1039/C3DT53349B, PaperYing-Ji Sun, Qian-Qian Huang, Jian-Jun Zhang
[NiIILR(fla)] (LRH = 2-{[bis(pyridin-2-ylmethyl)amino]methyl}-p/m-R-benzoic acid, R = OMe(1), Me(2), Br(4), and NO2(5), fla = flavonolate) are reported as ES models of NiII-2,3-QD, which exhibit higher enzyme-type reactivity and structure-reactivity relationship.
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Aqueous complexation of citrate with neodymium(III) and americium(III): a study by potentiometry, absorption spectrophotometry, microcalorimetry, and XAFS

7 April, 2014 - 18:54

Dalton Trans., 2014, 43,6446-6454
DOI: 10.1039/C4DT00343H, PaperM. Alex Brown, A. Jeremy Kropf, Alena Paulenova, Artem V. Gelis
A new light is shed on the complexation of citric acid and the f-elements with regards to nuclear fuel reprocessing.
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Theoretical investigation of layered zeolites with MWW topology: MCM-22P vs. MCM-56

7 April, 2014 - 18:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT00414K, PaperM. Polozij, Ho Viet Thang, M. Rubes, P. Eliasova, J. Cejka, P. Nachtigall
The structure of MCM-22P and MCM-56 layered zeolites is proposed based on DFT calculations and powder pattern simulations.
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A first archetype of boron dipyrromethene-phthalocyanine pentad dye: design, synthesis, and photophysical and photochemical properties

7 April, 2014 - 18:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT00406J, PaperCem Gol, Mustafa Malkoc, Serkan Yesilot, Mahmut Durmus
A novel type of symmetrical tetra-boron dipyrromethene (BODIPY) substituted zinc(II) phthalocyanine (Pc) pentad dye (BODIPY-Pc) has been designed and synthesized which exhibits panchromatic behaviour, predominant energy transfer process and high singlet oxygen generation.
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Six-coordinate high-spin iron(II) complexes with bidentate PN ligands based on 2-aminopyridine - new Fe(II) spin crossover systems

7 April, 2014 - 18:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT00186A, PaperChristian Holzhacker, Maria Jose Calhorda, Adria Gil, Maria Deus Carvalho, Liliana P. Ferreira, Berthold Stoger, Kurt Mereiter, Matthias Weil, Danny Muller, Peter Weinberger, Ernst Pittenauer, Gunter Allmaier, Karl Kirchner
Octahedral 18e iron(II) complexes of the type [Fe(PNR-Ph)2X2] are prepared and characterized.
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Hysteretic vapour response of a heterodinuclear platinum(II)-copper(II) complex derived from the dimer-of-dimer motif and the guest-absorbing site

7 April, 2014 - 18:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT00316K, PaperTadashi Ohba, Atsushi Kobayashi, Ho-Chol Chang, Takahiko Kouyama, Tatsuhisa Kato, Masako Kato
A novel Pt-Cu heterodinuclear complex with a dimer-of-dimer motif can reversibly absorb and desorb organic vapour at the axial site of the Cu(II) ion resulting in unique colour changes that reflect the structural hysteresis.
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