Dalton Transactions

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Dinuclear nickel(II) complexes with 2,5-diamino-1,4-benzoquinonediimine ligands as precatalysts for the polymerization of styrene: electronic and steric substituent effects

8 December, 2014 - 07:54

Dalton Trans., 2015, 44,368-376
DOI: 10.1039/C4DT02858A, PaperKeiji Ohno, Akira Nagasawa, Takashi Fujihara
Substituent effects of the electron-donating ability and bulkiness of R in [{Ni(acac)}2([small mu ]-RAp)] (RApH2: azophenines) on properties and catalytic activity are reported.
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Temperature variable luminescence and color tuning of Eu2+/Mn2+-codoped strontium magnesium phosphates as promising red-emitting phosphors for light emitting diodes

8 December, 2014 - 07:54

Dalton Trans., 2015, 44,338-344
DOI: 10.1039/C4DT02457E, PaperYoung Jun Yun, Hee Jeong Lim, Jin-Seong Park, Mihye Wu, Ha-Kyun Jung, Sungho Choi
Color tuning with temperature variable luminescence of Eu2+ and Mn2+ codoped violet-/red-emitting strontium magnesium phosphates, SrMgP2O7, SrMg2P2O8 and Sr2Mg3P4O15, was investigated.
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Breaking aggregation in a tetrathiafulvalene-fused zinc porphyrin by metal-ligand coordination to form a donor-acceptor hybrid for ultrafast charge separation and charge stabilization

8 December, 2014 - 07:54

Dalton Trans., 2015, 44,359-367
DOI: 10.1039/C4DT03157A, PaperAtanu Jana, Habtom B. Gobeze, Masatoshi Ishida, Toshiyuki Mori, Katsuhiko Ariga, Jonathan P. Hill, Francis D'Souza
A novel electron rich, tetrathiafulvalene fused zinc porphyrin, (TTF)4PZn, has been newly synthesized and characterized using spectral and electrochemical methods.
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A new copper species based on an azo-compound utilized as a homogeneous catalyst for water oxidation

8 December, 2014 - 07:54

Dalton Trans., 2015, 44,351-358
DOI: 10.1039/C4DT03097D, PaperWei-Bin Yu, Qing-Ya He, Xiu-Fang Ma, Hua-Tian Shi, Xianwen Wei
An azo-conjugated Copper complex efficiently catalyzes water oxidation in a phosphate buffer at pH 11 at room temperature and exhibits high stability and activity toward water oxidation under mild conditions with a TOF of 4.0 kPa h-1.
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Cluster-controlled dimerisation in supramolecular ruthenium photosensitizer-polyoxometalate systems

8 December, 2014 - 07:54

Dalton Trans., 2015, 44,330-337
DOI: 10.1039/C4DT03017F, PaperKirsten Heussner, Katrin Peuntinger, Nils Rockstroh, Sven Rau, Carsten Streb
A metal oxide-triggered dimerisation reaction of Ru-photosensitizer complexes is reported which is triggered by hydroxide ions liberated during the re-arrangement of a molybdate cluster.
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[([small eta]5-C5Me5)Ru]+ fragments ligated to polyaromatic hydrocarbons: an experimental and computational approach to pathways for haptotropic migration

8 December, 2014 - 07:54

Dalton Trans., 2015, 44,316-329
DOI: 10.1039/C4DT02736A, PaperMatias Rioja, Paul Hamon, Thierry Roisnel, Sourisak Sinbandhit, Mauricio Fuentealba, Karina Letelier, Jean-Yves Saillard, Andres Vega, Jean-Rene Hamon
DFT calculations indicated rather high activation energies for the thermally induced intramolecular inter-ring haptotropic migration of the [([small eta]5-C5Me5)Ru+] moiety.
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Hydration and ion pair formation in common aqueous La(III) salt solutions - a Raman scattering and DFT study

8 December, 2014 - 07:54

Dalton Trans., 2015, 44,295-305
DOI: 10.1039/C4DT03003F, PaperWolfram W. Rudolph, Gert Irmer
Left hand side: Raman spectrum of a 0.622 mol L-1 La(ClO4)3(aq). Weak, polarized band at 343 cm-1 assigned to symmetric La-O stretch of [La(OH2)9]3+. Bands at 463 and 630 cm-1 due to ClO4-(aq). The inset shows the isotropic band in more detail. Right hand side: Structure of [La(OH2)9]3+ (symmetry D3).
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Iron(II) complexes featuring [small kappa]3- and [small kappa]2-bound PNP pincer ligands - the significance of sterics

8 December, 2014 - 07:54

Dalton Trans., 2015, 44,281-294
DOI: 10.1039/C4DT02866J, PaperMathias Glatz, Bernhard Bichler, Matthias Mastalir, Berthold Stoger, Matthias Weil, Kurt Mereiter, Ernst Pittenauer, Gunter Allmaier, Luis F. Veiros, Karl Kirchner
A series of octahedral Fe(II) complexes of the type [Fe([small kappa]3-P,N,P-PNP)([small kappa]2-P,N-PNP)X]+ (X = Cl, Br) where PNP pincer ligands are coordinated both in a [small kappa]3-P,N,P- and [small kappa]2-P,N-fashion was prepared and characterized.
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Platinum(II) clovers targeting G-quadruplexes and their anticancer activities

8 December, 2014 - 07:54

Dalton Trans., 2015, 44,50-53
DOI: 10.1039/C4DT02760D, CommunicationXiao-Hui Zheng, Qian Cao, Yi-Liang Ding, Yi-Fang Zhong, Ge Mu, Peter Z. Qin, Liang-Nian Ji, Zong-Wan Mao
The excellent anticancer activity of platinum(II) clovers is the result of a dual effect, inhibition of the telomerase activity and repression of oncogene expression.
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Highly emissive copper(I) complexes bearing diimine and bis(diphenylphosphinomethyl)-2,2-dimethyl-1,3-dioxolane

8 December, 2014 - 07:54

Dalton Trans., 2015, 44,411-418
DOI: 10.1039/C4DT03176H, PaperMichihiro Nishikawa, Shota Sawamura, Aya Haraguchi, Jun Morikubo, Koichiro Takao, Taro Tsubomura
Highly emissive copper(I) complexes bearing 4,5-bis(diphenylphosphinomethyl)-2,2-dimethyl-1,3-dioxolane and 1,10-phenanthroline derivatives were newly synthesized. The quantum yields of the photoluminescence are up to 0.38.
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Multicolor (Vis-NIR) mesoporous silica nanospheres linked with lanthanide complexes using 2-(5-bromothiophen)imidazo[4,5-f][1,10]phenanthroline for in vitro bioimaging

8 December, 2014 - 07:54

Dalton Trans., 2015, 44,237-246
DOI: 10.1039/C4DT02444C, PaperYing Liu, Lining Sun, Jinliang Liu, Yu-Xin Peng, Xiaoqian Ge, Liyi Shi, Wei Huang
Using the modified phenanthroline ligand, the multicolor mesoporous silica nanospheres linked with lanthanide complexes were synthesized and characterized, and the application for cell imaging has been studied.
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Heterogeneous catalytic properties of unprecedented [small mu ]-O-[FeTCPP]2 dimers (H2TCPP = meso-tetra(4-carboxyphenyl)porphyrin): an unusual superhyperfine EPR structure

8 December, 2014 - 07:54

Dalton Trans., 2015, 44,213-222
DOI: 10.1039/C4DT02250E, PaperArkaitz Fidalgo-Marijuan, Gotzone Barandika, Begona Bazan, Miren Karmele Urtiaga, Edurne S. Larrea, Marta Iglesias, Luis Lezama, Maria Isabel Arriortua
Solvent accessible volume of the active catalyst [small mu ]-O-[FeTCPP]2[middle dot]nDMF dimer revealing an unusual superhyperfine EPR structure.
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Recent developments in out-of-plane metallocorrole chemistry across the periodic table

8 December, 2014 - 07:54

Dalton Trans., 2015, 44,30-36
DOI: 10.1039/C4DT02277G, FrontierHeather L. Buckley, John Arnold
This article presents a brief review of recent developments in metallocorrole chemistry, with a focus on species with significant displacement of the metal from the N4 plane of the corrole ring.
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A cheap and facile route to synthesize monodisperse magnetic nanocrystals and their application as MRI agents

8 December, 2014 - 07:54

Dalton Trans., 2015, 44,247-253
DOI: 10.1039/C4DT02425G, PaperGuixin Yang, Fei He, Ruichan Lv, Shili Gai, Ziyong Cheng, Yunlu Dai, Piaoping Yang
Monodisperse MnFe2O4 and CoFe2O4 nanocrystals (NCs) were synthesized by a facile thermal decomposition strategy, using very cheap polyisobutylene succimide and paraffin oil as a surfactant and solvent which was used as the effective T2 contrast agent for MRI.
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Phosphine complexes of lone pair bearing Lewis acceptors

4 December, 2014 - 06:54

Dalton Trans., 2015, 44,17-29
DOI: 10.1039/C4DT02789B, PerspectiveSaurabh S. Chitnis, Neil Burford
The unique structural outcomes and reactivity modes for phosphine complexes featuring lone-pair bearing acceptors are considered.
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Integrin-targeted delivery into cancer cells of a Pt(IV) pro-drug through conjugation to RGD-containing peptides

4 December, 2014 - 06:54

Dalton Trans., 2015, 44,202-212
DOI: 10.1039/C4DT02710H, PaperAnna Massaguer, Alejandro Gonzalez-Canto, Esther Escribano, Silvia Barrabes, Gerard Artigas, Virtudes Moreno, Vicente Marchan
Conjugation of a Pt(IV) pro-drug derivative of picoplatin to a tetrameric RGD-containing peptide leads to selective accumulation and antitumor activity in cancer cells overexpressing [small alpha]V[small beta]3 and [small alpha]V[small beta]5 integrins.
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A luminescent cadmium metal-organic framework for sensing of nitroaromatic explosives

4 December, 2014 - 06:54

Dalton Trans., 2015, 44,230-236
DOI: 10.1039/C4DT02227K, PaperChuanqi Zhang, Libo Sun, Yan Yan, Jiyang Li, Xiaowei Song, Yunling Liu, Zhiqiang Liang
A novel metal-organic framework 1 was synthesized using a new rigid unsymmetrical tricarboxylate ligand p-terphenyl-3,4[prime or minute][prime or minute],5 tricarboxylate (H3TPT). The micrometer-sized material 1[prime or minute] dispersed in ethanol exhibits high efficiency for the detection of PA.
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Five 8-hydroxyquinolinate-based coordination polymers with tunable structures and photoluminescent properties for sensing nitroaromatics

4 December, 2014 - 06:54

Dalton Trans., 2015, 44,401-410
DOI: 10.1039/C4DT02897J, PaperLiyan Zhang, Liying Sun, Xinyuan Li, Yulan Tian, Guozan Yuan
Five coordination polymers with different structures have been prepared. The tunable structures and photoluminescent properties for sensing nitroaromatics in five polymers were observed.
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A conformationally stressed novel ball-type perylenediimide appended zinc(II)phthalocyanine hybrid: spectroelectrochemical, electrocolorimetric and photovoltaic properties

4 December, 2014 - 06:54

Dalton Trans., 2015, 44,158-166
DOI: 10.1039/C4DT01761G, PaperFatih Pekdemir, Sertan Kurnal[i without dot], Abdurrahman Sengul, Ahmet Alt[i without dot]ndal, Ali R[i without dot]za Ozkaya, Bekir Salih, Ozer Bekaroglu
The ZnPc-perylenediimide hybrid displayed a well-defined electrochromic behaviour and the best photovoltaic conversion efficiency observed with a Pc-based organic solar cell.
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Epitaxial growth of silver chloride crystals on bismuth oxychloride

4 December, 2014 - 06:54

Dalton Trans., 2015, 44,176-181
DOI: 10.1039/C4DT02666G, PaperBoris B. Bokhonov
AgCl crystals precipitating on the surface of bismuth oxychloride crystals show orientation ordering with the (001)BiOCl||(100)AgCl.
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