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5.470 Aktuelle Fachpublikationen in Inorganic Chemistry

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Encapsulation of a Metal Complex within a Self-Assembled Nanocage: Synergy Effects, Molecular Structures, and Density Functional Theory Calculations

11.04.2014 | Christophe Desmarets; Geoffrey Gontard; Andrew L. Cooksy; Marie Noelle Rager; Hani Amouri, Inorganic Chemistry, 2014

A novel palladium-based metallacage was self-assembled. This nanocage displayed two complementary effects that operate in synergy for guest encapsulation. Indeed, a metal complex, [Pt(NO2)4]2–, was hosted inside the cavity, as demonstrated by solution NMR studies. Single-crystal X-ray diffraction ...

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4,5-Dicyano-3,6-diethylbenzo-1,2-diselenete, a Highly Stable 1,2-Diselenete: Its Preparation, Structural Characterization, Calculated Molecular Orbitals, and Complexation with Tetrakis(triphenylphosphine)palladium

11.04.2014 | Takeshi Kimura; Tsukasa Nakahodo; Hisashi Fujihara; Eiichi Suzuki, Inorganic Chemistry, 2014

The first isolable benzo-1,2-diselenete, 4,5-dicyano-3,6-diethylbenzo-1,2-diselenete (4), was prepared by the reaction of 4,5-(o-xylylenediseleno)-3,6-diethylphthalonitrile (3) with aluminum chloride in toluene. X-ray crystallographic analysis demonstrated that 4 contains a trapezoidal diselenide ...

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Light-Driven Hydrogen Evolution by BODIPY-Sensitized Cobaloxime Catalysts

11.04.2014 | Juergen Bartelmess; Aaron J. Francis; Karim A. El Roz; Felix N. Castellano; Walter W. Weare; Roger D. Sommer, Inorganic Chemistry, 2014

We report four photocatalytically active cobaloxime complexes for light-driven hydrogen evolution. The cobaloxime catalysts are sensitized by different meso-pyridyl boron dipyrromethene (BODIPY) chromophores, bearing either two bromo- or iodo-substituents on the BODIPY core. The pyridine linker ...

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One-Step Bulk Synthesis of Stable, Near Unit-Cell Sized Oxide Nanoparticles and Nanoparticle Blends Using KO2

11.04.2014 | Thomas E. Sutto, Inorganic Chemistry, 2014

Presented here is a novel one-step synthesis of oxide or hydroxide nanoparticles using, for the first time, potassium superoxide (KO2). This work demonstrates that the reaction of KO2 with different salt solutions produces grams of stable, near unit-cell sized nanoparticles. This new synthetic ...

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In Vitro Multiwavelength PDT with 3IL States: Teaching Old Molecules New Tricks

11.04.2014 | Huimin Yin; Mat Stephenson; Jordan Gibson; Eric Sampson; Ge Shi; Tariq Sainuddin; Susan Monro; Sherri A. McFarland, Inorganic Chemistry, 2014

The purpose of the present investigation was to ascertain whether 3IL excited states with microsecond lifetimes are universally potent for photodynamic applications, and if these long-lived states are superior to their 3MLCT counterparts as in vitro PDT agents. A family of blue-green absorbing, ...

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Site-Specific Copper-Catalyzed Oxidation of α-Synuclein: Tightening the Link between Metal Binding and Protein Oxidative Damage in Parkinson’s Disease

11.04.2014 | Marco C. Miotto; Esaú E. Rodriguez; Ariel A. Valiente-Gabioud; Valentina Torres-Monserrat; Andrés Binolfi; Liliana Q ..., Inorganic Chemistry, 2014

Amyloid aggregation of α-synuclein (AS) has been linked to the pathological effects associated with Parkinson’s disease (PD). CuII binds specifically at the N-terminus of AS and triggers its aggregation. Site-specific CuI-catalyzed oxidation of AS has been proposed as a plausible mechanism for ...

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New Routes to Synthesizing an Ordered Perovskite CaCu3Fe2Sb2O12 and Its Magnetic Structure by Neutron Powder Diffraction

10.04.2014 | Sebastian A. Larregola; Jianshi Zhou; Jose A. Alonso; Vladimir Pomjakushin; John B. Goodenough, Inorganic Chemistry, 2014

The search for new double-perovskite oxides has grown rapidly in recent years because of their interesting physical properties like ferroelectricity, magnetism, and multiferroics. The synthesis of double perovskites, especially the A-site-ordered perovskites, in most cases needs to be made under ...

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The Synthesis of a Corrole Analogue of Aquacobalamin (Vitamin B12a) and Its Ligand Substitution Reactions

10.04.2014 | Caitlin F. Zipp; Joseph P. Michael; Manuel A. Fernandes; Sadhna Mathura; Christopher B. Perry; Isabelle Navizet; Pen ..., Inorganic Chemistry, 2014

The synthesis of a Co(III) corrole, [10-(2-[[4-(1H-imidazol-1-ylmethyl)benzoyl]amino]phenyl)-5,15-diphenylcorrolato]cobalt(III), DPTC-Co, bearing a tail motif terminating in an imidazole ligand that coordinates Co(III), is described. The corrole therefore places Co(III) in a similar environment ...

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Conformation-Controlled Sorption Properties and Breathing of the Aliphatic Al-MOF [Al(OH)(CDC)]

10.04.2014 | Felicitas Niekiel; Jeroen Lannoeye; Helge Reinsch; Alexis S. Munn; Andreas Heerwig; Ivo Zizak; Stefan Kaskel; Richar ..., Inorganic Chemistry, 2014

The Al-MOF CAU-13 ([Al(OH)(trans-CDC)]; trans-H2CDC = trans-1,4-cyclohexanedicarboxylic acid) is structurally related to the MIL-53 compounds that are well-known for their “breathing” behavior, i.e., the framework flexibility upon external stimuli such as the presence of adsorbate molecules. The ...

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Ba2HgS5—A Molecular Trisulfide Salt with Dumbbell-like (HgS2)2– Ions

10.04.2014 | Saiful M. Islam; Jino Im; Arthur J. Freeman; Mercouri G. Kanatzidis, Inorganic Chemistry, 2014

Ba2HgS5 was synthesized by cooling a molten mixture of BaS, HgS, and elemental sulfur. It crystallizes in the orthorhombic Pnma space group with a = 12.190(2) Å, b = 8.677(2) Å, c = 8.371(2) Å, and dcalc = 4.77 g cm–3. Its crystal structure consists of isolated dumbbell-shaped (HgS2)2– and ...

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