Dalton Transactions

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Slow magnetic relaxation in two-dimensional 3d-4f complexes based on phenyl pyrimidyl substituted nitronyl nitroxide radicals

6 May, 2015 - 23:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03330B, PaperMei Zhu, Juanjuan Wang, Meng Yang, Yue Ma, Licun Li
Three isostructural two-dimensional nitronyl nitroxide bridged 3d-4f complexes have been achieved. The Tb complex shows field-induced two-step magnetic relaxation behavior.
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Crystal structures of benzoxazolyl-copper(III,II,I) complexes and investigation of Cu(II)-mediated aryl carbon-hydrogen bromination

6 May, 2015 - 23:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01090J, PaperLianke Wang, Hongping Zhou, Jieying Wu, Yupeng Tian
We report three new copper complexes with different oxidation states based on the phenylbenzoxazole system.
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C^C* cyclometalated platinum(II) N-heterocyclic carbene complexes with a sterically demanding [small beta]-diketonato ligand - synthesis, characterization and photophysical properties

6 May, 2015 - 23:17

Dalton Trans., 2015, 44,8444-8455
DOI: 10.1039/C4DT03613A, PaperM. Tenne, S. Metz, G. Wagenblast, Ingo Munster, T. Strassner
New platinum(II) triazolylidene complexes were prepared to investigate the influence of the 1,3-bis(2,4,6-trimethyl)-phenylpropan-1,3-dionato ligand on the photoluminescence properties.
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High temperature X-ray diffraction and thermo-gravimetrical analysis of the cubic perovskite Ba0.5Sr0.5Co0.8Fe0.2O3-[small delta] under different atmospheres

6 May, 2015 - 23:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03963G, PaperM. G. Sahini, J. R. Tolchard, K. Wiik, T. Grande
Unit cell and non-stoichiometry of Ba0.5Sr0.5Co0.8Fe0.2O3-[small delta] in O2, demonstrating oxidation followed by thermal reduction and formation of a hexagonal phase is reported.
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Synthesis of mixed-valence hexanuclear Mn(II/III) clusters from its Mn(II) precursor: variations of catecholase-like activity and magnetic coupling

6 May, 2015 - 23:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT00709G, PaperParamita Kar, Yumi Ida, Takuya Kanetomo, Michael G. B. Drew, Takayuki Ishida, Ashutosh Ghosh
A pyrazine bridged 1D coordination polymer of Mn(II) has been oxidized with n-Bu4NMnO4 to hexanuclear Mn(II/III) complexes. Their catecholase-like activities and magnetic interactions have been studied.
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Heterometallic complexes with cube-type [MTi3N4] cores containing Group 10 metals in a variety of oxidation states

6 May, 2015 - 23:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01200G, PaperNoelia Martinez-Espada, Miguel Mena, Adrian Perez-Redondo, Victor Varela-Izquierdo, Carlos Yelamos
The metalloligand [{Ti([small eta]5-C5Me5)([small mu ]-NH)}3([small mu ]3-N)] is capable of stabilizing Group 10 metals in the oxidation states 0, II or IV.
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Metal dicarboxylates: new anode materials for lithium-ion batteries with good cycling performance

6 May, 2015 - 23:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT00500K, PaperHailong Fei, Xin Liu, Zhiwei Li, Wenjing Feng
Manganese 3,5-pyridinedicarboxylate as an anode material for Li-ion batteries showed good cycling stability.
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Selective B-B bond activation in an unsymmetrical diborane(4) by [(Me3P)4Rh-X] (X = Me, OtBu): a switch of mechanism?

6 May, 2015 - 23:17

Dalton Trans., 2015, 44,8600-8604
DOI: 10.1039/C5DT00618J, CommunicationC. Borner, K. Brandhorst, C. Kleeberg
The unsymmetrical diborane(4) pinB-B((MeN)2(C6H4)) reacts with [(Me3P)4Rh-X] (X = Me, OtBu) giving predominantly either [(Me3P)4Rh-Bpin] or [(Me3P)3Rh-B((MeN)2(C6H4))] depending on X. At low temperatures in the presence of excess PMe3 the unprecedented equatorial boryl complex [(Me3P)4Rh-B((MeN)2(C6H4))] is formed.
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Synthesis, characterization and insights into stable and well organized hexagonal mesoporous zinc-doped alumina as promising metathesis catalysts carrier

6 May, 2015 - 23:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03630A, PaperAbdelnasser Abidli, Safia Hamoudi, Khaled Belkacemi
ZnCl2-modified hexagonal mesoporous alumina was successfully synthesized, yielding Al-O-Zn-Cl species for supporting methyltrioxorhenium towards methyl oleate self-metathesis.
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The chlorinating behaviour of WCl6 towards [small alpha]-aminoacids

6 May, 2015 - 23:17

Dalton Trans., 2015, 44,8729-8738
DOI: 10.1039/C5DT00518C, PaperMarco Bortoluzzi, Fabio Marchetti, Maria Grazia Murrali, Guido Pampaloni, Stefano Zacchini
WCl6 behaves as a selective chlorinating agent towards the carboxylic function of primary and secondary [small alpha]-aminoacids. The initial formation of [small alpha]-ammonium acylchloride salts may be followed by HCl elimination and, in the case of L-proline derived species, a clean cyclization reaction.
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Synthesis and characterization of heterofluorenes containing four-coordinated group 13 elements: theoretical and experimental analyses and comparison of structures, optical properties and electronic states

6 May, 2015 - 23:17

Dalton Trans., 2015, 44,8697-8707
DOI: 10.1039/C5DT00718F, PaperTakuya Matsumoto, Kazuo Tanaka, Kazuyoshi Tanaka, Yoshiki Chujo
Herein, we report the series of heterofluorenes containing four-coordinated group 13 elements.
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Influence of substituents on cation-anion contacts in imidazolium perrhenates

6 May, 2015 - 23:17

Dalton Trans., 2015, 44,8669-8677
DOI: 10.1039/C5DT00735F, PaperRobert M. Reich, Mirza Cokoja, Iulius I. E. Markovits, Christian J. Munchmeyer, Marlene Kaposi, Alexander Pothig, Wolfgang A. Herrmann, Fritz E. Kuhn
A series of imidazolium perrhenates with different substituents at the imidazolium ring were synthesised and characterised, including single crystal X-ray diffraction.
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Structural and photoluminescence properties of stannate based displaced pyrochlore-type red phosphors: Ca3-xSn3Nb2O14:xEu3+

6 May, 2015 - 23:17

Dalton Trans., 2015, 44,8718-8728
DOI: 10.1039/C4DT03800B, PaperT. S. Sreena, P. Prabhakar Rao, T. Linda Francis, Athira K. V. Raj, Parvathi S. Babu
New stannate based displaced pyrochlore-type red phosphors, Ca3-xSn3Nb2O14:xEu3+, exhibit local cation disorder through the absence of characteristic MD transition splitting.
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Pt NPs immobilized on core-shell magnetite microparticles: novel and highly efficient catalysts for the selective aerobic oxidation of ethanol and glycerol in water

6 May, 2015 - 23:17

Dalton Trans., 2015, 44,8660-8668
DOI: 10.1039/C5DT00779H, PaperYu Long, Kun Liang, Jianrui Niu, Bing Yuan, Jiantai Ma
Pt nanoparticles immobilized on PPy coated magnetite microparticles are highly efficient catalysts for the selective aerobic oxidation of ethanol and glycerol.
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Iridium-mediated C-S bond activation and transformation: organoiridium(III) thioether, thiolato, sulfinato and thiyl radical compounds. Synthesis, mechanistic, spectral, electrochemical and theoretical aspects

6 May, 2015 - 23:17

Dalton Trans., 2015, 44,8625-8639
DOI: 10.1039/C5DT00448A, PaperUjjwal Das, Tapas Ghorui, Basab Adhikari, Sima Roy, Shuvam Pramanik, Kausikisankar Pramanik
The iridium-mediated C-S bond scission by an uncommon SET reductive process: exploration of S-centered reactivity of iridium(III) thiolato complex.
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Inducing magnetic communication in caged dinuclear Co(II) systems

6 May, 2015 - 23:17

Dalton Trans., 2015, 44,8649-8659
DOI: 10.1039/C5DT00497G, PaperJudith Caballero-Jimenez, Fatemah Habib, Daniel Ramirez-Rosales, Rafael Grande-Aztatzi, Gabriel Merino, Ilia Korobkov, Mukesh Kumar Singh, Gopalan Rajaraman, Yasmi Reyes-Ortega, Muralee Murugesu
Magnetic interactions were probed for a series of mono and tri atomic bridged dinuclear Co(II) azacryptand complexes. Magneto-structural correlations were established using ab initio calculations.
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A new vanadium sulfate with ferrimagnetic and NLO properties constructed from novel discrete umbrella-like [VV([small mu ]3-O)4VIV4O5(SO4)4(en)]5- anions

6 May, 2015 - 23:17

Dalton Trans., 2015, 44,8605-8608
DOI: 10.1039/C5DT01026H, CommunicationShuai Zhou, Hongxiang Wan, Gonghao Hu, Yu Zhang, Ying Liu, Hao Miao, Dunru Zhu, Yan Xu
A new umbrella-like vanadium sulfate shows significant zero field splitting and strong two photon absorption.
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Co3O4-based binder-free cathodes for lithium-oxygen batteries with improved cycling stability

6 May, 2015 - 23:17

Dalton Trans., 2015, 44,8678-8684
DOI: 10.1039/C5DT00498E, PaperShu-Mao Xu, Qian-Cheng Zhu, Fei-Hu Du, Xin-Hao Li, Xiao Wei, Kai-Xue Wang, Jie-Sheng Chen
A novel binder-free electrode for lithium-oxygen batteries has been prepared by electrodepositing a Co3O4 layer onto a pretreated TiO2 fiber mesh formed on nickel foam by an electrospinning method.
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Polypyridyl Ru(II)-derivatized polypropylacrylate polymer with a terminal water oxidation catalyst. Application of reversible addition-fragmentation chain transfer polymerization

6 May, 2015 - 23:17

Dalton Trans., 2015, 44,8640-8648
DOI: 10.1039/C5DT00287G, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Zhen Fang, Akitaka Ito, Hanlin Luo, Dennis L. Ashford, Javier J. Concepcion, Leila Alibabaei, Thomas J. Meyer
A ruthenium containing poly(propylmethacrylate) derivative was synthesized by RAFT polymerization and end-capped with a catalyst derivative.
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A tricarboxylated PtCl(terpyridine) derivative exhibiting pH-dependent photocatalytic activity for H2 evolution from water

6 May, 2015 - 23:17

Dalton Trans., 2015, 44,8685-8696
DOI: 10.1039/C5DT00425J, PaperKosei Yamauchi, Ken Sakai
A 'negatively charged' PtCl(terpyridine) derivative was found to be the first example of a Pt(II)-based molecular photocatalyst capable of driving H2 evolution coupled with a PCET process at the ligand geometry.
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