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6.591 Aktuelle Fachpublikationen in Inorganic Chemistry

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Photochemical Properties of Red-Emitting Tris(cyclometalated) Iridium(III) Complexes Having Basic and Nitro Groups and Application to pH Sensing and Photoinduced Cell Death

15.05.2015 | Aya Kando; Yosuke Hisamatsu; Hiroki Ohwada; Taiki Itoh; Shinsuke Moromizato; Masahiro Kohno; Shin Aoki, Inorganic Chemistry, 2015

Cyclometalated iridium(III) complexes, because of their photophysical properties, have the potential for use as luminescent probes for cellular imaging. We previously reported on a pH-activatable iridium complex that contains three N,N-diethylamino groups, namely, fac-Ir(deatpy)3 5, which was ...

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Flux Synthesis, Structure, Properties, and Theoretical Magnetic Study of Uranium(IV)-Containing A2USi6O15 (A = K, Rb) with an Intriguing Green-to-Purple, Crystal-to-Crystal Structural Transition in the K Analogue

15.05.2015 | Gregory Morrison; Harry Ramanantoanina; Werner Urland; Mark D. Smith; Hans-Conrad zur Loye, Inorganic Chemistry, 2015

The flux growth of uranium(IV) oxides presents several challenges, and to the best of our knowledge, only one example has ever been reported. We succeeded in growing two new reduced uranium silicates A2USi6O15 (A = K, Rb) under flux growth conditions in sealed copper tubes. The compounds ...

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[TlIII(dota)]−: An Extraordinarily Robust Macrocyclic Complex

15.05.2015 | Tamás Fodor; István Bányai; Attila Bényei; Carlos Platas-Iglesias; Mihály Purgel; Gábor L. Horváth; László Zékány; G ..., Inorganic Chemistry, 2015

The X-ray structure of {C(NH2)3}[Tl(dota)]·H2O shows that the Tl3+ ion is deeply buried in the macrocyclic cavity of the dota4– ligand (1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetate) with average Tl–N and Tl–O distances of 2.464 and 2.365 Å, respectively. The metal ion is directly ...

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Phosphine-Iminopyridines as Platforms for Catalytic Hydrofunctionalization of Alkenes

15.05.2015 | Ryan Gilbert-Wilson; Wan-Yi Chu; Thomas B. Rauchfuss, Inorganic Chemistry, 2015

A series of phosphine-diimine ligands were synthesized by the condensation of 2-(diphenylphosphino)aniline (PNH2) with a variety of formyl and ketopyridines. Condensation of PNH2 with acetyl- and benzoylpyridine yielded the Ph2P(C6H4)N═C(R)(C5H4N), respectively abbreviated PNMepy and PNPhpy. With ...

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Nickelacyclopentadienylchromium Tricarbonyl Unit as a Bulky Pseudohalogen in Cyclopentadienylchromium Complexes Leading to Low-Energy High-Spin Structures

15.05.2015 | Yi Zeng; Ying Yu; Hao Feng; R. Bruce King; Henry F. Schaefer, III, Inorganic Chemistry, 2015

Recent studies, particularly from the laboratory of Buchalski and co-workers, have resulted in the syntheses of nickelacyclopentadienyl and nickelafluorenyl metallacycles that can function as pentahapto ligands in transition-metal complexes, similar to the ubiquitous cyclopentadienyl ligand. The ...

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Octacoordinated Dioxo-Molybdenum Complex via Formal Oxidative Addition of Molecular Oxygen. Studies of Chemical Reactions Between M(CO)6 (M = Cr, Mo) and 2,4-Di-tert-butyl-6-(pyridin-2-ylazo)-phenol

15.05.2015 | Ipsita Chatterjee; Nabanita Saha Chowdhury; Pradip Ghosh; Sreebrata Goswami, Inorganic Chemistry, 2015

Reactions of M(CO)6 (M = Mo, Cr) and 2 mol of 2,4-di-tert-butyl-6-(pyridin-2-ylazo)-phenol ligand (HL) in air yielded [MoVIO2(L1¯)2], 1, and [CrIII(L1¯)(L•2¯)], 2, respectively, in high yields. Formation of the Cr-complex is a substitution reaction, which is associated with electron transfer, ...

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Reactivity of CO2 Activated on Transition Metals and Sulfur Ligands

15.05.2015 | Katsuaki Kobayashi; Koji Tanaka, Inorganic Chemistry, 2015

Dicationic dicarbonyl [Ru(bpy)2(CO)2]2+ (bpy = 2,2′- bipyridyl) exists as equilibrium mixtures with [Ru(bpy)2(CO)(COOH)]+ and [Ru(bpy)2(CO)(CO2)]0 depending on the pH in H2O. Those three complexes work as the precursors to CO, HCOOH production, and CO2 carrier, respectively, in electro- and ...

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Gadolinium Sulfate Modified by Formate To Obtain Optimized Magneto-Caloric Effect

15.05.2015 | Long-Yang Xu; Jiong-Peng Zhao; Ting Liu; Fu-Chen Liu, Inorganic Chemistry, 2015

Three new GdIII based coordination polymers [Gd2(C2H6SO)(SO4)3(H2O)2]n (1), {[Gd4(HCOO)2(SO4)5(H2O)6]·H2O}n (2), and [Gd(HCOO)(SO4)(H2O)]n (3) were obtained by modifying gadolinium sulfate. With the gradual increase of the volume ratio of HCOOH and DMSO in synthesis, the formate anions begin to ...

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Synthesis, Electrochemistry, and Single-Molecule Conductance of Bimetallic 2,3,5,6-Tetra(pyridine-2-yl)pyrazine-Based Complexes

14.05.2015 | Ross Davidson; Jing-Hong Liang; David Costa Milan; Bing-Wei Mao; Richard J. Nichols; Simon J. Higgins; Dmitry S. Yuf ..., Inorganic Chemistry, 2015

The ligands 4′-(4-(methylthio)phenyl)-2,2′:6′,2″-terpyridine (L1), 4′-((4-(methylthio)phenyl)ethynyl)- 2,2′:6′,2″-terpyridine (L2), and bis(tridentate) bridging ligand 2,3,5,6-tetra(pyridine-2-yl)pyrazine (tpp) were used to prepare the complexes [Ru(L1)2][PF6]2 ([1][PF6]2, [Ru(L2)2][PF6]2 ...

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Solvent-Induced Change of Electronic Spectra and Magnetic Susceptibility of CoII Coordination Polymer with 2,4,6-Tris(4-pyridyl)-1,3,5-triazine

14.05.2015 | Ruslan A. Polunin; Nataliya P. Burkovskaya; Juliya A. Satska; Sergey V. Kolotilov; Mikhail A. Kiskin; Grigory G. Ale ..., Inorganic Chemistry, 2015

One-dimensional coordination polymer [Co(Piv)2(4-ptz)(C2H5OH)2]n (compound 1, Piv– = pivalate, 4-ptz = 2,4,6-tris(4-pyridyl)-1,3,5-triazine) was synthesized by interaction of CoII pivalate with 4-ptz. Desolvation of 1 led to formation of [Co(Piv)2(4-ptz)]n (compound 2), which adsorbed N2 and H2 ...

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