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9.673 Aktuelle Fachpublikationen in Inorganic Chemistry

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Syntheses and Properties of Gold–Organotin Sulfide Clusters

01.09.2017 | Eike Dornsiepen; Jens P. Eußner; Nils W. Rosemann; Sangam Chatterjee; Stefanie Dehnen, Inorganic Chemistry, 2017

We report that reactions of the binary organotin sulfide cluster [(R1Sn)3S4]Cl [A; R1 = CMe2CH2C(O)Me] with gold(I) phosphane complexes yield discrete ternary complexes [(R1Sn)2(AuPMe3)2S4] (1) and [(R2Sn)2(AuPMe3)2S4] [2; R2 = CMe2CH2C(NNH2)Me], which are related to recently published complexes ...

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A Luminescent 3d-4f-4d MOF Nanoprobe as a Diagnosis Platform for Human Occupational Exposure to Vinyl Chloride Carcinogen

01.09.2017 | Ji-Na Hao; Xiao-Yu Xu; Xiao Lian; Chi Zhang; Bing Yan, Inorganic Chemistry, 2017

A luminescent nanoprobe based on a lanthanide-transition heterometallic metal–organic framework (MOF) is first designed for specific detection of urinary thiodiglycolic acid (TDGA) which is the biomarker of carcinogenic vinyl chloride monomer (VCM) and represents the internal dose of human ...

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Role of Ligand Protonation in Dihydrogen Evolution from a Pentamethylcyclopentadienyl Rhodium Catalyst

01.09.2017 | Samantha I. Johnson; Harry B. Gray; James D. Blakemore; William A. Goddard, III, Inorganic Chemistry, 2017

Recent work has shown that Cp*Rh(bpy) [Cp* = pentamethylcyclopentadienyl, bpy = 2,2′- bipyridine] undergoes endo protonation at the [Cp*] ligand in the presence of weak acid (Et3NH+; pKa = 18.8 in MeCN). Upon exposure to stronger acid (e.g., DMFH+; pKa = 6.1), hydrogen is evolved with unity ...

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Enantioselective Aldol Reactions in Water by a Proline-Derived Cryptand and Fixation of CO2 by Its Exocyclic Co(II) Complex

01.09.2017 | Dinesh De; Aditya Bhattacharyya; Parimal K. Bharadwaj, Inorganic Chemistry, 2017

The secondary amine donors present in the bridges of a laterally nonsymmetric oxa-aza cryptand have been derivatized with l-proline to obtain the chiral cryptand L. The cryptand L efficiently catalyzed aldol reactions in water with up to 75% ee. On reacting with Co(II) perchlorate in the presence ...

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Thermal and Structural Aspects of the Hydride-Conducting Oxyhydride La2LiHO3 Obtained via a Halide Flux Method

01.09.2017 | Øystein S. Fjellvåg; Jeff Armstrong; Wojciech A. Sławiński; Anja O. Sjåstad, Inorganic Chemistry, 2017

Oxyhydrides, in which oxide and hydride anions share the same anionic lattice, are relatively rare compounds. La2LiHO3 belongs to this family. We report the synthesis of La2LiHO3 by means of an alkali halide flux method, which allows the production of larger quantities of material relative to the ...

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Open-Framework Manganese(II) and Cobalt(II) Borophosphates with Helical Chains: Structures, Magnetic, and Luminescent Properties

01.09.2017 | Min Li; Volodymyr Smetana; Magdalena Wilk-Kozubek; Yaroslav Mudryk; Tarek Alammar; Vitalij K. Pecharsky; Anja-Verena ..., Inorganic Chemistry, 2017

Two borophosphates, (NH4)1–2xM1+x(H2O)2(BP2O8)·yH2O with M = Mn (I) and Co (II), synthesized hydrothermally crystallize in enantiomorphous space groups P6522 and P6122 with a = 9.6559(3) and 9.501(3) Å, c = 15.7939(6) and 15.582(4) Å, and V = 1275.3(1) and 1218.2(8) Å3 for I and II, respectively. ...

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Clarifying the Equilibrium Speciation of Periodate Ions in Aqueous Medium

31.08.2017 | László Valkai; Gábor Peintler; Attila K. Horváth, Inorganic Chemistry, 2017

Equilibria of periodate ion were reinvestigated in aqueous solution by using potentiometric titration, UV and Raman spectroscopies, and gravimetry simultaneously at 0.5 M ionic strength and at 25.0 ± 0.2 °C. Stepwise acid dissociation constants of orthoperiodic acid were found to be pK1 = 0.98 ± ...

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Characterization of the Fleeting Hydroxoiron(III) Complex of the Pentadentate TMC-py Ligand

31.08.2017 | Wei-Min Ching; Ang Zhou; Johannes E. M. N. Klein; Ruixi Fan; Gerald Knizia; Christopher J. Cramer; Yisong Guo; Lawre ..., Inorganic Chemistry, 2017

Nonheme mononuclear hydroxoiron(III) species are important intermediates in biological oxidations, but well-characterized examples of synthetic complexes are scarce due to their instability or tendency to form μ-oxodiiron(III) complexes, which are the thermodynamic sink for such chemistry. ...

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An EXAFS Approach to the Study of Polyoxometalate–Protein Interactions: The Case of Decavanadate–Actin

31.08.2017 | M. Paula M. Marques; Diego Gianolio; Susana Ramos; Luís A. E. Batista de Carvalho; Manuel Aureliano, Inorganic Chemistry, 2017

EXAFS and XANES experiments were used to assess decavanadate interplay with actin, in both the globular and polymerized forms, under different conditions of pH, temperature, ionic strength, and presence of ATP. This approach allowed us to simultaneously probe, for the first time, all vanadium ...

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Back-Donation in High-Valent d0 Metal Complexes: Does It Exist? The Case of NbV

31.08.2017 | Gianluca Ciancaleoni; Leonardo Belpassi; Fabio Marchetti, Inorganic Chemistry, 2017

In the last years, some N-heterocyclic carbene (NHC) complexes of high-valent d0 transition-metal halides have been structurally characterized, showing a significant short distance between the carbene carbon and the cis-halide ligands (Clax). Some authors attributed this arrangement to a halide → ...

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