bluuebunny/crossref_metadata_2025_split huggingface dataset:
Nerve growth factor-induced myoprotection in C2C12 muscle cells is mediated by α9β1 integrin via release of PGE2
Authors: Ettinger Keren , Nevo Yoram , Marcinkiewicz Cezary , Lazarovici Philip 
Published: March 2015

Abstract

Background: Nerve growth factor (NGF) mediates a wide range of activities in the central nervous system including neuronal differentiation, synaptic plasticity, and neuroprotection. In addition, NGF places an important role in skeletal muscle physiology by some unknown mechanisms. We recently demonstrated that NGF conferred myoprotection toward ischemia in C2C12 skeletal muscle cell model, establishing an important trophic role for NGF in skeletal muscle.

Methods: In this report, using ELISA and oxygen-glucose deprivation (OGD) assays, we investigated the potential contribution of prostaglandin E2 (PGE2) to NGF myoprotective effects toward C2C12 cultures exposed to OGD insults. Vipera lebetina obtusa disintegrin 5 (VLO5), a selective antagonist of α9β1 integrin, was used as an experimental tool to clarify α9β1 integrin role in NGF action.

Results: NGF-induced mitogen-activated protein kinase type 1 or 2 (ERK1/2) phosphorylation in C2C12 cells and in a dose-response fashion stimulated PGE2 release, both effects antagonized by VLO5 and PD98059. NGF-induced myoprotection of the cells exposed for 7 h to OGD, followed by 18 h of reoxygenation, was reversed by VLO5 treatment.

Conclusions: These results suggest that NGF activation of α9β1 integrin induced myoprotection by stimulation of ERK phosphorylation and release of cytoprotective PGE2 mediator. This effect may be also relevant for NGF-induced pain and hyperalgesia in the skeletal muscle.
Flow Visualization by Means of Contactless Inductive Flow Tomography in the Presence of a Magnetic Brake
Authors: Ratajczak Matthias , Wondrak Thomas , Timmel Klaus , Stefani Frank , Eckert Sven 
Published: March 2015

AbstractIn continuous casting DC magnetic fields perpendicular to the wide faces of the mold are used to control the flow in the mold. Especially in this case, even a rough knowledge of the flow structure in the mold would be highly desirable. The contactless inductive flow tomography (CIFT) allows to reconstruct the dominating two-dimensional flow structure in a slab casting mold by applying one external magnetic field and by measuring the flow-induced magnetic fields outside the mold. For a physical model of a mold with a cross section of 140 mm×35 mm we present preliminary measurements of the flow field in the mold in the presence of a magnetic brake. In addition, we show first reconstructions of the flow field in a mold with the cross section of 400 mm×100 mm demonstrating the upward scalability of CIFT.
Idiopathic short stature due to novel heterozygous mutation of the aggrecan gene
Authors: Quintos Jose Bernardo , Guo Michael H. , Dauber Andrew 
Published: March 2015

AbstractRecently, whole exome sequencing identified heterozygous defects in the aggrecan (We report a novel frameshift mutation inWe present a 5 1/2-year-old male with a family history of short stature in three generations. The maternal grandfather stands 144.5 cm (Ht SDS –4.7), mother 147.7 cm (Ht SDS –2.6), and index case 99.2 cm (Ht SDS –2.7). Our prepubertal patient has significant bone age advancement (bone age 8 years at chronologic age 5 1/2 years) resulting in a poor predicted adult height of 142 cm (Ht SDS –5.1). DNA sequencing identified a novel heterozygous variant inMutations in the
Zum thermischen Verhalten einiger Kohlensäure[(methylphenylsilyl)methyl]ester-Derivate
Authors: Tacke Reinhold , Link Matthias , Bentlage-Felten Anke , Zilch Harald 
Published: March 2015

Abstract
The synthesis and the thermal behaviour of the (methylphenylsilyl)methyl carbonates CH3(C6H5)Si(H)CH2OC(O)X (6: X = OCH3; 7: X = Cl; 8: X = N(CH3)2) is described. 8 rearranges in toluene solution at 100 °C quantitatively to give the carbam oyloxysilane C6H5(CH3)2SiOC(O)N(CH3)2 (11), whereas neat 6 and 7 at 135 °C undergo quantitative formation of C6H 5(CH3)2SiOCH3 (12) and C6H5(CH3)2SiCl (13), respectively. The formation of 12 and 13 is explained by a rearrangement reaction (by analogy to the rearrangement of 8), follow ed by a decarboxylation. The thermally induced transformations 6 →12, 7 →13, and 8 →11 were found to be first-order reactions with half-lifes of ~2.6 h (135 °C, neat), ~4.5 h (135 °C, neat), and ~3.7 h (100 °C, in toluene), respectively.
Chemie polyfunktioneller Moleküle, 90 [1] Antimon-, sauerstoff-, schwefel- und selenhaltige Käfigverbindungen mit Adamantan-, Noradamantan- und Nortricyclan-Struktur
Authors: Ellermann Jochen , Veit Adolf 
Published: March 2015

Abstract
Reactions of 1,1,1-tris(dichlorostibinomethyl)ethane, CH3C(CH2SbCl2)3 (1), with water afford, depending on the molar ratios of the components, the adamantane structured CH3C (CH2SbO)3 (2) or Sb4O6, whereas with H2S only the heteroadamantane CH3C(CH2SbS)3 (3) is obtained. With NaSeH com pound 1 forms CH3C(CH2SbSe)3 (4) accompanied by the heteronoradamantane CH3C(CH2Sb)3Se2 (5). Several attempts to prepare an antimony and tellurium containing adamantane or noradamantane failed, as 1 was reduced by Na2Te yielding the heteronortricyclane CH3C(CH2Sb)3 (6). Oxidation of the latter in tetrahydrofuran by air gives Sb4O6. The new com pounds have been characterized by mass, infrared, Raman, and as far as possible, by 1H NMR spectroscopy.
Discotische Flüssigkristalle: Beziehung zwischen Molekülstruktur und discogenen Eigenschaften scheibenförmiger Verbindungen, nicht-flüssigkristalline Ester des myo-Inosits und des Mytilits [1,2]
Authors: Kohne Bernd , Praefcke Klaus , Stephan Werner , Nürnberg Peter 
Published: March 2015

Abstract
A modified synthesis of mytilitol and the synthesis of various esters of the cyclitols myo-inositol (la) and mytilitol (2a) is described. Because of steric reasons all these derivatives of the two naturally occuring compounds exhibit no discotic mesophases. For instance, in comparison to mesomorphous scyllitol hexaesters already the methyl group perpendicular to the molecular core in the analogous hexaesters 2b-d of mytilitol suppresses discotic liquid crystalline character totally. This effect is discussed in connection to the relationship of mesomorphism with chemical structure of disc-shaped molecules.
Darstellung von Tetraioddiborylmethan
Authors: Siebert Walter , Ender Ulrich , Schütze Reinhard 
Published: March 2015

Abstract
Reaction between BCl3 and CH2(AlCl2)2 leads to tetrachlordiborylmethane, which reacts with BI3 to give tetraioddiborylmethane in 64% yield.
μ-Nitridokomplexe von Wolfram(VI) Die Kristallstruktur von PPh4[W2NCl10]/ μ-Nitrido Complexes of Tungsten(VI) The Crystal Structure of PPh4[W2NCl10]
Authors: Godemeyer Thomas , Berg Alexander , Groß Hans-Dieter , Müller Ulrich , Dehnicke Kurt 
Published: March 2015

Abstract
W2NCl9 was obtained as a brilliant red crystal powder from tungsten hexachloride and tris(trimethylsilyl)amine. According to its IR spectrum it has dimeric molecules [W2NCl9]2 with bridging chlorine atoms. Its reaction with tetraphenylphosphonium chloride yields PPh4[W2NCl10], and with phosphorus oxide chloride W2NCl9 ·OPCl3 is obtained; both are soluble in dichlorom ethane. The crystal structure of PPh4[W2NCl10] was determined by X-ray diffraction (2521 observed reflexions. R = 0.065). Crystal data: triclinic, space group P1̄, Z = 2, a = 1125.7, b - 1278.2, c = 1347.8 pm, α = 110.08, β = 94.55, γ = 111.55°. The structure consists of PPh4ⓛ ions which are arranged to (PPh4
ⓛ)2 pairs about inversion centres, and of [W2NCl10]⃝ anions. The latter possess an almost linear W NW group (173°) with slightly different WN bond lengths of 179 and 188 pm corresponding to double bonds. Each tungsten atom has an octahedral coordination. The WCl bonds trans to the nitrido ligand are about 9 pm longer than the bonds in the cis positions.
Vom Fluorsilan zum Siloxan — 1,3-Silylgruppenwanderung am Si3CSiO-Gerüst/ From a Fluorosilane to a Siloxane — 1,3-Migration of Silyl Groups in the Si3CSiO System
Authors: Klingebiel Uwe , Pohlmann Sabine , Skoda Lutz , Lensch Cornelia , Sheldrick George M. 
Published: March 2015

Abstract
The nature of the products which are formed in the reaction of tris(trimethylsilyl)Methylfluorosilanes (Me3Si)3C -SiF2R with KOH depends on the bulkiness of the substituents R. The condensed siloxane is obtained for R = F . The crystal structure determination of this siloxane (Me3Si)3C -SiF2-O -SiF2-C (SiMe3)3 shows that the Si -O - Si unit is linear. A fluorosilanol as well as a siloxane could be isolated for R = Me. 1,3-Migration of one or two trimethylsilyl groups from the carbon to the oxygen takes place for R = phenyl, rm-butyl or silylamine, with formation of siloxanes which are isomeres o f the expected silanols.
Untersuchungen am System Triphenylphosphingold(I)/Sulfat: Synthese und Röntgenstrukturanalyse von (Ph3PAu)2SO4 · CH3OH/ Studies of the System Triphenylphosphinegold(I)/Sulphate: Synthesis and Crystal Structure of (Ph3PAu)2SO4 · CH3OH
Authors: Hohbein Rainer , Jones Peter G. , Meyer-Bäse Karen , Schwarzmann Einhard , Sheldrick George M. 
Published: March 2015

Abstract
The reaction between (triphenylphosphine)acetatogold(I) and concentrated sulphuric acid in methanol leads to (Ph3PAu)2SO4 (1) or [(Ph3PAu)3O]+ HSO4
- , depending on the acid concentration. The crystal structure of the methanol solvate of (1) was determined [C2/c, a = 1348.3(2), b = 1451.0(2), c = 1853.8(3) pm, β = 99.90(2)°, Z = 4, R = 0.037 for 3138 unique observed reflections], 1 possesses crystallographic twofold symmetry, with Au -O 206.3, Au -P 221.6 pm. The corresponding selenate is isomorphous.
Besetzungsvarianten der CaMnBi2-Struktur: Zur Kenntnis der Verbindungen LaZn0,52Sb2, LaCo0,68Sb2, LaMnxSb2 (0,65≤x≤ 0,76) und LaCux-Sb2 (0,82≤x≤ 0,87) / New Compounds with the CaMnBi2 Structure: On LaZn0,52Sb2, LaCo0,68Sb2, LaMnxSb2 (0,65≤x≤ 0,76) und LaCux-Sb2 (0,82≤x≤ 0,87)
Authors: Cordier Gerhard , Schäfer Herbert , Woll Petra 
Published: March 2015

The new compounds LaZn0,52Sb2, LaCo0,68Sb2, LaMnxSb2 (0.65 ≤ x ≤ 0.76) and LaCuxSb2 (0.82 ≤x≤ 0.87) crystallize in the tetragonal system , space group P4/nmm (N o. 129) with the CaMnBi2 structure. The lattice constants are:
LaZn0,52Sb2: a = 438.0(3) pm, c = 1048.8(5) pm, c/a = 2.395; LaCo0,68Sb2: a = 439.4(3) pm, c = 995.4(5) pm, c/a = 2.265; LaMnxSb2: für x = 0.65: a = 438.7(3) pm, c = 1078.0(5) pm, c/a = 2.457; für x = 0.76: a = 437.2(3) pm, c = 1093.3(5) pm, c/a = 2.501; LaCuxSb2: für x = 0.82: a = 440.2(3) pm, c = 1015.4(5) pm, c/a = 2.307; für x = 0.87; a = 437.3(3) pm, c = 1040.0(5) pm, c/a = 2.378.
Die kristallinen Phasen der Alkalitrimolybdate / The Crystallinic Phases of the Alkali Trimolybdates
Authors: Förster A. , Kreusler H. U. , Fuchs J. 
Published: March 2015

The structure of NaRbMO3O10 (1) was investigated. The compound crystallizes in the space group Pnma with the lattice param eters a = 7.589 Å , b = 7.579 Å , c = 15.489 Å.
Its anion chain is identical with that of Rb2MO3O10·H2O (2) but the packing is more close. Contrary to (2), (1) does not change into a monoclinic phase on heating. (2) is changed into the hydrate of (1 ) when treated with a solution of sodium chloride.
The lattice parameters of several alkali trimolybdates were determined from powder patterns.
The stepwise dehydration of the trimolybdate hydrates was studied by X-Ray, spectroscopical and thermoanalytical methods.
Transition Metal Squarates I. Chain Structures M (C4O4) · 4 H2O
Authors: Weiss Armin , Riegler E. , Alt I. , Böhme H. , Robl Ch. 
Published: March 2015

The transition metal squarates M(C4O4) · 4 H2O (M2+ = Mn2+, Fe2+, Co2+. Ni2+, and Zn2+) are isotypic. They crystallize monoclinically, space group Ce-Cf, and consist of one-dimensional chain molecules
[xxx]
with the chain axes alternatively in direction [110] and [110]. The transition metal is octahedrally coordinated by two oxygen atoms of two C4O4
2- -anions in rrarcs-position and 4 water molecules. Neighbouring chains are interlinked by hydrogen bonds. The distance between the planes of the parallel C4-rings of neighbouring chains is similar to the layer distance in graphite.
Oligophosphan-Liganden, XIV [1] Bis(distickstoff)molybdän-KomplexeMo(N2)2[PhP(CH2CH2CH2PPh2)2](PR3) / Oligophosphine Ligands, XIV [1] Bis(dinitrogen)molybdenum Complexes Mo(N2)2[PhP(CH2CH2CH2PPh2)2](PR3)
Authors: Dahlenburg Lutz , Pietsch Bernd 
Published: March 2015

The reaction of MoCl3(THF)3 with PhP(CH2CH2CH2PPh2)2 in THF/CH2Cl2 gave MoCl3(PhP(CH2CH2CH2PPh2)2) ·CH2CI2 (1). Sodium amalgam reduction of I in the presence of the monotertiary phosphines PMe3-nPhn (n = 0, 1, 2), in THF under nitrogen atmosphere, yielded the bis(dinitrogen) complexes
Mo(N2)2[PhP(CH2CH2CH2PPh2)2](PMe3) (2),
Mo(N2)2[PhP(CH2CH2CH2PPh2)2](PMe2Ph) (3), and
Mo(N2)2[PhP(CH2CH2CH2PPh2)2I(PMePh2) (4).
The homologous PPh3 and i-Pr3P derivatives as well as the attempted tris(dinitrogen) species Mo(N2)2[PhP(CH2CH2CH2PPh2)2] could not be isolated. Compounds 2-4 were assigned trans coordination of the N2 ligands on the basis of their IR, Raman, and 31P NMR spectra. The trans- octahedral geometry of these complexes was also confirmed by a single-crystal X-ray diffraction study performed on 3.
Average Structure of Bis(oxamide oximato)nickel(II) X Dimethyl-tetracyanoquinodimethane, a “Charge Transfer” Compound with Mixed Stacks and Variable Paramagnetism
Authors: Endres Helmut , Bongart August , Nöthe Dietrich 
Published: March 2015

The average unit cell of the methanol solvate [Ni(C2H5N4O2)2] × C14H8N4 × 2CH3OH, MΓ = 589.22 is triclinic. Ρ1̄, a = 8.539(3). b = 8.937(3). c = 9.418(3) Å, α = 103.39(3). β = 100.12(2), γ = 105.39(2)°, V = 652.2 Å3 Z = 1, dc = 1.50 gem-3, final Rw = 0.050 for 1580 observed independent reflections. Satellite reflections hint at a modulation of the structure in the ac plane. Mixed stacks of alternating and mainly neutral metal complex and Me2tcnq molecules are formed.
Crystals grown with electrochemical reduction show a weak activated paramagnetism, those grown without electrochemical support are diamagnetic.
Beiträge zur Strukturchemie phosphorhaltiger Ketten und Ringe, XIII [1]. Die Molekül- und Kristallstruktur von 3,4,9,10-Tetraisopropylpentacyclo[ 6.4.0.02,6.05,12.07,11]dodecaphosphan, P12(i-Pr)4 / Structural Chemistry of Phosphorus-Containing Chains and Rings, XIII [1]. The Molecular and Crystal Structure of 3,4,9,10-Tetraisopropylpentacyclo[6.4.0.02,6.05,12.07,11]dodecaphosphane, P12(iPr)4
Authors: Tebbe Karl-Friedrich , Fehér Magda 
Published: March 2015

Abstract
The structure of P12(iPr)4, C12H28P12 , has been determined by single crystal X-ray techniques (Rf = 0.026, wRf = 0.029 for 3549 observed reflections with |Fo| ≥ 4σ(Fo)). The compound crystallizes in the triclinic space group P1 with a = 879.8, b = 1088.5, c = 1414.1 pm, α = 93.01, β - 107.61, γ = 92.92° and Z = 2. The molecule contains a polycyclic P12-unit of nearly C2v symmetry, which represents an essential structural unit of Hittorf’s phosphorus.
Schwefeldioxid als Brückenligand zwischen zwei verschiedenen Metallatomen [1] / Sulfur Dioxide as Bridging Ligand Between Two Different Metal Atoms [1]
Authors: Schenk Wolfdieter A. 
Published: March 2015

Abstract
The compound MoRhCl(μ-dppm)2(CO)2(μ-CO)(M-SO2) (1) is ob­tained from MoRhCl(μ-dppm)2(CO)4 and SO2. 1 is the first hetero-bimetallic complex of sulfur dioxide.
Ein neues Silicat-Anion: [Si(NCS)6]2- / A New Silicate Anion: [Si(NCS)6]2-
Authors: Heininger Wolfgang , Stucka Rolf , Nagorsen Günter 
Published: March 2015

Crystalline salts of the new hexa-co-ordinated silicon complex anion [Si(NCS)6]2- were obtained by stoichiometric reaction of Si(NCS)4 with NEt4NCS. NMe4NCS or [DABCO · 2 Me](NCS)2 in acetonitrile. Their crystallographic data were determined:
[NEt4]2[Si(NCS)6]: tetragonal, P42/m, a = 1049 pm, c = 1546 pm, Z = 2.
[NMe4]2[Si(NCS)6]: rhombohedral, a = 879 pm, α = 83.2°, Z = 1.
[DABCO · 2 Me][Si(NCS)6]: triclinic, a = 933 pm, b = 1511 pm, c = 899 pm, α = 105.8°, β = 96.3°, γ = 103.5°, Z = 2.
The X-ray structure analysis of [NEt4]2[Si(NCS)6] shows silicon to be coordinated nearly octahedrally by the nitrogen atoms of two linear and four slightly bent NCS groups. The mean Si−N, N−C and C−S bond lengths are 182.1 pm. 115.2 pm and 160.3 pm, respectively.
IR spectra are reported. The positions of the [Si(NCS)6]2- bands are discussed in context with the structure.
NOTIZEN: Beiträge zur Chemie der Schwefelhalogenide, 13 [1] Das Photoionisations-Massenspektrum von SBr2 / Contributions to the Chemistry of Sulfur Halogenides, 13 [1] The Photoionization Mass Spectrum of SBr2
Authors: Minkwitz R. , Lekies R. , Jochims H. W. , Freie Universität, Institut für Physikalische Chemie, Takust E. , Baumgärtel H. 
Published: March 2015

Abstract
The photoionization mass spectrum of SBr2 has been m easured and the (S−Br)-bond energy has been calculated from experimental data.
Zur Frage der nicht-enzymatischen Bildung von kondensierten Phosphaten unter präbiotischen Bedingungen/ Non-Enzymatic Formation of Condensed Phosphates under Prebiotic Conditions
Authors: Seel F. , Klos K.-P. , Recktenwald D. , Schuh J. 
Published: March 2015

Abstract
One of the problems of chemical evolution on the primitive Earth is the question of the possibility of a non-enzymatic spontaneous condensation o f phosphoric acid and hydrogen phosphates to yield polyphosphoric acids and polyphosphates in aqueous system s, by means of which phosphorus might have entered into early metabolisms. The extra- or intra-cellular formation of magnesium diphosphate under geologically plausible hydrothermal conditions from either magnesium hydrogen phosphates or calcium phosphates in media has been demonstrated.
Synthese und Kristallstruktur von VBr2(N3S2)(Pyridin)2/ Synthesis and Crystal Structure of VBr2(N3S2)(pyridine)2
Authors: Willing Wolfgang , Christophersen Ruth , Müller Ulrich , Dehnicke Kurt 
Published: March 2015

Abstract
VBr2(N3S2)(pyridine)2 is obtained in form of brown-black, moisture sensitive crystals by the reaction of the corresponding chloro complex with trim ethylbrom osilane. The com pound is characterized by its IR spectrum and an X-ray crystal structure determination (1322 observed reflexions, R = 0.077). Crystal data: monoclinic, space group Aba2, Z = 4, a = 1100.3, b = 1480.0, c = 983.3 pm.
A molecular structure with a distorted octahedral coordination for the vanadium atoms was found: there are two short VN bonds o f 178 pm with two N atoms o f the planar N3S2 chelate, two long (228 pm) VN(pyridine) bonds trans to the former VN bonds and two bromo ligands.
1,1,3,5,5,7,9,9,11-Nonachlor-1,5,9-triphospha-2,4,6,8,10,12-hexaazacyclododecahexaen: [Cl2PN2CCl]3, Synthese, Spektren und Kristallstruktur/ 1,1,3,5,5,7,9,9,11-Nonachloro-1,5,9-triphospha-2,4,6,8,10,12-hexaazacyclododecahexaene: [Cl2PN2CCl]3, Preparation, Spectra and Crystal Structure
Authors: Hausen H .-D. , Rajca G. , Weidlein J. 
Published: March 2015

Abstract
The title compound, Cl2PN2CCl, has been synthesized by the reaction of PCl5 with Me3Si -N = C = N - SiMe3 (Me - CH3) in a 1:1 molar ratio. The colourless com pound is trimericin benzene solution and in the solid state and has a structure with a highly puckered 12-membered P3N6C3-ring skeleton of low symmetry. The X-ray structure determination shows a monoclinic space group P 21/a with 4 trimeric units per cell.
Übergangsmetallkomplexe mit Schwefelliganden, XVIII. Synthese und Reaktionen von [Ru(L)(PPh3)dttd]-Komplexen mit kleinen Stickstoffverbindungen L = NH3, N2H4, N2H3CH3, N2H3C6H5 sowie NO+ (dttd2- = 2,3;8,9-Dibenzo-1,4,7,10-tetrathiadecan (–2))/ Transition Metal Complexes with Sulfur Ligands, XVIII. Synthesis and Reactions of [Ru(L)(PPh3)dttd] Complexes with Small Nitrogen Compounds L = NH3, N2H4, N2H3CH3, N2H3C6H5 and NO+ (dttd2- = 2,3;8,9-Dibenzo-1,4,7,10-tetrathiadecane (–2))
Authors: Sellmann Dieter , Waeber Michael 
Published: March 2015

Abstract
Reaktionen von [Ru(L)(PPh3)dttd]-Komplexen mit kleinen Stickstoffverbindungen L = NH3, N2H4, N2H3CH3, N2H3C6H5 sowie NO+ (dttd2-= 2,3;8,9-Dibenzo-l,4,7,10-tetrathiadecan (—2)) Transition Metal Complexes with Sulfur Ligands, XVIII* Synthesis and Reactions of [R u(L)(PPh3)dttd] Complexes with Small Nitrogen Com pounds L = N H 3, N2H 4, N2H 3C H 3, N2H 3C6H 5 and N O + (dttd2-= 2,3;8,9-D ibenzo-l,4,7,10-tetrathiadecane (—2)) D ieter Sellmann+ Ruthenium Sulfur C om plexes, N itrogen Ligands The com plex fragment [Ru(PPh3)dttd], (dttd2-= 2,3;8,9-dibenzo-l,4,7,10-tetrath iad ecane (— 2)), coordinates small nitrogen com pounds, which have only o-as well as a-jr-donor proper­ ties. The reactions o f [Ru(PPh3)2dttd] with L — N H 3, N 2H 4, N 2H 3C H 3 and N 2H 3C6H 5, respec­ tively, give the corresponding [R u(L)(PP h3)dttd] com plexes. O xidation o f the hydrazine com ­ plex [R u(N 2H 4)(PPh3)dttd] yields [a-N 2H 2{R u(PP h3)dttd }2], the first diazene com plex in which the unstable N 2H 2 is bound to a sulfur coordinated m etal center and stabilized by a 4 c —6 e Ru— N — N — Ru system , steric shielding as well as thiolate — S---H (n,h2)---N hydrogen bridges. The reactions of the ammonia and the hydrazine com plexes, respectively, with N O PF6 yield the nitrosyl com plex [R u (N O)(PP h3)dttd]PF6 as final product; in the case o f [R u(N 2H 4)(P P h3)dttd] the intermediate formation of an azido com plex is observed IR -spectroscopically.
Darstellung, Kristallstruktur und Schwingungsspektren von cyclo-Undekaschwefel (S11) und von cyclo-Tridekaschwefel (S13) / Preparation, Crystal Structure, and Vibrational Spectra of cyclo-Undecasulfur (S11) and of cyclo-Tridecasulfur (S13)
Authors: Steudel Ralf , Steidel Jürgen , Sandow Torsten 
Published: March 2015

Abstract
The homocyclic S11 and S13 molecules have been synthesized from titanocenepentasulfide and S6Cl2 or S8Cl2, respectively, and obtained as yellow crystals which are metastable for several days at 20 °C. X-Ray structural analyses of single crystals at -105± 5 °C exhibited molecules of approximately C2 symmetry with bond distances (d), bond angles (a) and torsional angles (r) in the following ranges: S11 : d = 203.2 -211.0 pm, α = 103.3-108.6°, τ = 69.3 - 140.5°; S13: d = 197.8 - 211.3 pm, α = 102.8-111.1°, τ = 29.5 - 116.3°. Infrared and Raman spectra of S11 and S13 are reported. In addition, the synthesis of S6Cl2 and S8Cl2 from S6 or S8, respectively, and chlorine is described.
Dialkylchalkogenidverbrückte Carbonylzweikernkomplexe des Typs [M]2ER2 mit M = {CpMn(CO)2} und {Cr(CO)5}; E = S, Se, Te; R = Me oder R2 = (CH2)3 bzw. (CH2)4; Röntgenstrukturanalyse von [CpMn(CO)2]2S(CH2)3 / Dialkylchalcogenide-Bridged Dinuclear Carbonyl Complexes of the Type [M]2ER2 with M = {CpMn(CO)2} and {Cr(CO)5}; E = S, Se, Te; R = Me or R2 = (CH2)3, (CH2)4; X-Ray-Structure Analysis of [CpMn(CO)2]2S(CH2)3
Authors: Bremer Gerhard , Boese Roland , Keddo Mustafa , Kruck Thomas 
Published: March 2015

Abstract
The reaction of CpMn(CO)2THF or Cr(CO)5THF with alkylchalcogenides ER2 (E = S, Se, Te; R = Me or R2 = (CH2)3, (CH2)4) in the molar ratio of 2:1 gives alkylchalcogenide-bridged dinuclear complexes [CpMn(CO)2]2ER2 and [Cr(CO)5]2ER2. The heteronuclear complex Cp(CO)2Mn - (μ-SMe2) -Cr(CO)5 can be synthesized by reacting CpMn(CO)2SMe2 with Cr(CO)5THF. X-ray structure analysis of the compound [CpMn(CO)2]2S(CH2)3 demonstrates the bridging character of the alkylchalcogenides.
Die Kristallstruktur des Bis(tetrapropylammonium)heptasulfids [N(C3H7)4]2S7 / The Crystal Structure of Bis(tetrapropylammonium)heptasulfide [N(C3H7)4]2S7
Authors: Böttcher P. , Flamm W. 
Published: March 2015

Abstract
Bis(tetrapropylammonium)heptasulfide results from the reaction of [(C3H7)4N]Br and Na2S5 (molar ratio 4:1 to 2:1) in aqueous solution. The dark orange compound crystallizes in the space group P21/c, the lattice constants are (at -70 °C): a = 9.466(4) Å , b = 11.013(3) Å, c = 16.845(7) Å , β = 105.6(1)°. It contains unbranched chainlike S7
2− anions of all-trans-conformation.