Dalton Transactions

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Strategy to enhance solid-state fluorescence and aggregation-induced emission enhancement effect in pyrimidine boron complexes

19 January, 2015 - 19:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03318C, PaperYasuhiro Kubota, Kouhei Kasatani, Hiroki Takai, Kazumasa Funabiki, Masaki Matsui
Although non-, trifluoromethyl-, and cyano-substituted derivatives showed AIEE effects, methoxy- and dimethylamino-substituted analogues resulted in relatively strong fluorescence in solution.
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X-shaped benzoylbenzophenone derivatives with crossed donors and acceptors for highly efficient thermally activated delayed fluorescence

19 January, 2015 - 19:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03608E, CommunicationSae Youn Lee, Takuma Yasuda, In Seob Park, Chihaya Adachi
Thermally activated delayed fluorescence (TADF) materials based on benzoylbenzophenone, AcPmBPX and PxPmBPX, were designed and synthesized.
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Spin-crossover behaviors in solvated cobalt(II) compounds

19 January, 2015 - 19:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03743J, CommunicationShinya Hayami, Manabu Nakaya, Hitomi Ohmagari, Amolegbe Saliu Alao, Masaaki Nakamura, Ryo Ohtani, Ryotaro Yamaguchi, Takayoshi Kuroda-Sowa, Jack K. Clegg
SCO cobalt(II) compounds with the methoxy group have been synthesized, which exhibit unique magnetic behaviors, two-step SCO or reverse spin transition caused by structural transition.
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Selective hydration of nitriles to amides catalysed by PCP pincer supported nickel(II) complexes

19 January, 2015 - 19:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03902E, CommunicationJ. Borau-Garcia, D. V. Gutsulyak, R. J. Burford, W. E. Piers
Nickel(II) hydroxo compounds supported by an electron rich PCP pincer ligand are active catalysts for the selective hydration of a variety of nitriles at low catalyst loadings and mild conditions.
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Effects of the electronic structure of five-membered N-heterocyclic carbenes on insertion of silanes and boranes into the NHC C-N bond

19 January, 2015 - 19:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03566F, PaperKalon J. Iversen, David J. D. Wilson, Jason L. Dutton
The effect of varying the N-heterocyclic carbene (NHC) ligand on the ring expansion and endocyclic C-N activation of NHCs by silanes and boranes has been investigated with theoretical methods.
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Mechanisms and rates of proton transfer to coordinated carboxydithioates: studies on [Ni(S2CR){PhP(CH2CH2PPh2)2}]+ (R = Me, Et, Bun or Ph)

19 January, 2015 - 19:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03543G, PaperAhmed Alwaaly, William Clegg, Richard A. Henderson, Michael R. Probert, Paul G. Waddell
Kinetics of protonation of [Ni(S2CR)(PhP{CH2CH2PPh2}2)]+ (R = Me, Et, Bun or Ph) with HCl reveals hydrogen-bonded precursor and subsequent chelate opening.
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O-H bond oxidation by a monomeric MnIII-OMe complex

19 January, 2015 - 19:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03546A, PaperGayan B. Wijeratne, Victor W. Day, Timothy A. Jackson
The structurally characterized [MnIII(OMe)(dpaq)]+ complex is the first example of a stable MnIII-OMe complex that can activate substrate O-H bonds with bond dissociation free energies up to 78.5 kcal mol-1 in acetonitrile.
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Monooxygenation of an appended phenol in a model system of tyrosinase: implications on the enzymatic reaction mechanism

19 January, 2015 - 19:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03010A, PaperJessica Nadine Hamann, Malte Rolff, Felix Tuczek
A new model system of tyrosinase was established that performs an ortho-hydroxylation of the appended phenol in the absence of base.
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Synthesis and anticancer activity evaluation of [small eta]5-C5(CH3)4R ruthenium complexes bearing chelating diphosphine ligands

19 January, 2015 - 19:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT02748E, PaperA. Rodriguez-Barzano, R. M. Lord, A. M. Basri, R. M. Phillips, A. J. Blacker, P. C. McGowan
A series of ruthenium complexes with [small eta]5-C5(CH3)4R and diphosphine ligands have been synthesised and evaluated in vitro as anticancer agents. IC50 values in the nanomolar range have been obtained against two types of cell lines.
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Intense photo- and tribo-luminescence of three tetrahedral manganese(II) dihalides with chelating bidentate phosphine oxide ligand

19 January, 2015 - 19:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03694H, PaperJun Chen, Qing Zhang, Fa-Kun Zheng, Zhi-Fa Liu, Shuai-Hua Wang, A-Qing Wu, Guo-Cong Guo
Three air-stable centrosymmetric tetrahedral manganese(II) dihalide complexes with chelating bidentate phosphine oxide ligand display intense green photoluminescence with a total quantum yield varying from 32 to 70% and vivid triboluminescence.
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Non-oxido divanadium(IV) and divanadium(V) thiolate complexes with a new type of chalcogenide bridging motif

19 January, 2015 - 19:54
Dalton Trans., 2015, Accepted Manuscript
DOI: 10.1039/C4DT03934C, PaperHong-Ming Wu, Ya-Ho Chang, Yi-Fang Tsai, Kuei-Fang Hsu, Gene-Hsiang Lee, Hua-Fen Hsu
In our effort to study vanadium chalcogenide chemistry, we have synthesized and characterized a class of non-oxido divanadium(IV) and divanadium(V) complexes with chalcogenide and dichalcogenide as bridges. All structures consist...
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Methylated Re(I) tetrazolato complexes: photophysical properties and Light Emitting Devices

19 January, 2015 - 19:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03228D, PaperMelissa V. Werrett, Gregory S. Huff, Sara Muzzioli, Valentina Fiorini, Stefano Zacchini, Brian W. Skelton, Antonio Maggiore, Joanna M. Malicka, Massimo Cocchi, Keith C. Gordon, Stefano Stagni, Massimiliano Massi
Methylated Re(I) tetrazolato complexes are suitable as phosphors for Light Emitting Devices.
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A unique class of neutral cyclometalated platinum(II) complexes with [small pi]-bonded benzenedithiolate: synthesis, molecular structures and tuning of luminescence properties

19 January, 2015 - 19:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03962A, CommunicationHugo Sesolis, Jamal Moussa, Geoffrey Gontard, Anny Jutand, Maria Pia Gullo, Andrea Barbieri, Hani Amouri
A unique class of luminescent neutral cyclometalated platinum(II) complexes 2-4 with [small pi]-bonded benzenedithiolate are reported including two X-ray molecular structures.
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Recent advances towards the fabrication and biomedical applications of responsive polymeric assemblies and nanoparticle hybrid superstructures

19 January, 2015 - 19:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03609C, PerspectiveXianglong Hu, Shiyong Liu
We highlight recent developments, microstructural control, and biomedical applications of stimuli-responsive polymeric assemblies and responsive hybrid superstructures.
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Tuning the ferroelectric polarization in AA[prime or minute]MnWO6 double perovskites through A cation substitution

19 January, 2015 - 19:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03521F, PaperJoshua Young, Alessandro Stroppa, Silvia Picozzi, James M. Rondinelli
A large enhancement of ferroelectric polarizations in AA[prime or minute]MnWO6 double perovskites through cation substitution is predicted and investigated using first-principles calculations.
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Harnessing medically relevant metals onto water-soluble subphthalocyanines: towards bimodal imaging and theranostics

19 January, 2015 - 19:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03536D, PaperYann Bernhard, Pascale Winckler, Jean-Marie Perrier-Cornet, Richard A. Decreau
Water-soluble subphthalocyanine (SubPc) - chelating ligands (DOTA, DTPA) conjugates were complexed with six metals relevant to medical imaging/therapies (MRI, PET, SPECT, RIT, NCT). Magneto-optical properties of the ditopic Gd complex and cellular microscopy studies were reported.
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Synthesis, characterisation and properties of rare earth oxyselenides A4O4Se3 (A = Eu, Gd, Tb, Dy, Ho, Er, Yb and Y)

19 January, 2015 - 19:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03336A, PaperAndrew J. Tuxworth, Chun-Hai Wang, John S. O. Evans
We report the synthesis of new A4O4Se3 (A = rare earth element) materials and identify three new structure types ([small beta], [gamma], [small delta]).
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Core substituted naphthalene diimide - metallo bisterpyridine supramolecular polymers: synthesis, photophysics and morphology

19 January, 2015 - 19:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT02719A, PaperHamideh Shokouhi Mehr, Natalie C. Romano, Rashid Altamimi, Jody M. Modarelli, David A. Modarelli
A series of metallo Ru(II), Fe(II), Co(II) bisterpyridine polymers were prepared with core-substituted naphthalene diimide (NDI) groups inserted between two 4[prime or minute]-phenyl-2,2:6[prime or minute],2[prime or minute][prime or minute]-terpyridine (phtpy) groups.
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Thermoelectric properties and chlorine doping effect of In4Pb0.01Sn0.03Se2.9Clx polycrystalline compounds

19 January, 2015 - 19:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03432E, PaperJin Hee Kim, Min Jae Kim, Suekyung Oh, Jong-Soo Rhyee, Su-Dong Park, Docheon Ahn
Enhanced thermoelectric figure of merit ZT = 1.25 at 723 K for n-type In4Pb0.01Sn0.03Se2.9Clx (x = 0.04) polycrystalline materials.
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Four linear CuII3 subunit-based coordination polymers with various inter-subunit connections, spin ground-states and intra-/inter-subunit magnetic couplings

19 January, 2015 - 19:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03741C, PaperEn-Cui Yang, Zhong-Yi Liu, Si-Hang Chen, Yan-Hong Su, Yan-Yan Zhang, Xiao-Jun Zhao
Four 4-amino-1,2,4-triazole-based complexes, including three bent chains and one pillared-layer framework, were reported, which exhibit various linear CuII3 subunits, inter-subunit connections, spin ground-states and magnetic couplings.
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