bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Synthesis and Some Transformations of 4‐Nitroimidazo[4,5‐e]pyridin‐2‐ones.
Authors: YUTILOV YU. M. , SVERTILOVA I. A.
Published: May 2016

Die Nitrierung der Dihydro‐imidazopyridinone (I) mit Nitriersäure‐ Gemisch führt in nahezu quantitativer Ausbeute zu den 4‐Nitroderivaten (II), die sich leicht zu den Aminen (III) reduzieren lassen.
ChemInform Abstract: Synthesis and Pharmacological Study of a Series of 3(2H)‐Pyridazinones as Analgesic and Antiinflammatory Agents.
Authors: SANTAGATI N. A. , DURO F. , CARUSO A. , TROMBADORE S. , AMICO‐ROXAS M.
Published: May 2016

Mucochlor‐ bzw. Mucobromsäure (I) reagieren mit Hydrazinen (II) zu den Pyridazinonen‐(IIIa) und (IIIb), aus (IIIa) entstehen durch Alkylierung mit (IV) die Pyridazinone (V).
ChemInform Abstract: 7‐trans‐(2‐Pyridylethenyl)‐5H‐thiazolo[3,2‐a]pyrimidine‐5‐ones: Synthesis and Pharmacological Activity.
Authors: DORIA G. , PASSAROTTI C. , SALA R. , MAGRINI R. , SBERZE P. , TIBOLLA M. , CESERANI R. , ARCARI G. , CASTELLO R. , TOTI D.
Published: May 2016

Aminothiazole (I) reagieren mit Chlor‐acetessigsäureester (II) zu den Thiazolopyrimidinonen (III), die zu den Phosphonium‐Salzen (IV) und weiter zu den Ethenylthiazolo‐pyrimidinen (VI) umgesetzt werden können.
ChemInform Abstract: The Reaction of Thiourea Derivatives with Maleic Acid Anhydride.
Authors: ZAWISZA T. , WAGNER E.
Published: May 2016

The thioureas (II) react with maleic anhydride (I) to give the imino‐thiazolidinecarboxylic acids (III), the biological activity of which was tested earlier.
ChemInform Abstract: The Synthesis of Pyrazolo[1,5‐b][1,2,4]triazines, a New Heterocyclic Ring System.
Authors: SLISKOVIC D. R. , SIEGEL M. , LIN Y.
Published: May 2016

Aminopyrazole (I) werden zum Gemisch der Diaminopyrazole (II) und (III) umgesetzt und mit 1,2‐Dicarbonylverbindungen (IV) zu Pyrazolo‐triazinen (V) cyclokondensiert.
ChemInform Abstract: Synthesis and Properties of sym‐Triazine Derivatives. Part 4. Synthesis of 2,4,6‐Trisubstituted sym‐Triazines, Containing Crowded Phenolic Fragments.
Authors: KELAREV V. I. , LAAUAD YAKH'YA F. , KARAKHANOV R. A. , LUNIN A. F. , MALOVA O. V.
Published: May 2016

Durch Trimerisierung der aus den Nitrilen (I) hergestellten Imidoester (II) werden die trisubstituierten Triazine (III) synthetisiert.
ChemInform Abstract: Derivatives of 2,3‐Benzodiazepine.
Authors: GATTA F. , PIAZZA D. , DEL GIUDICE M. R. , MASSOTTI M.
Published: May 2016

Phenylalkanole (I) bzw. (VI) reagieren mit den Aldehyden (II) zu den Isochromanen (III) bzw. (VII), die zu Ketosäuren (IV) bzw. Diketonen (VIII) und (IX) oxidiert werden, aus welchen mit Hydrazinen die Benzodiazepine (V) bzw. (X) erhalten werden können.
ChemInform Abstract: Phospha‐s‐triazines. Part 10. Thiopheny1‐Substituted Phospha‐s‐triazines.
Authors: PACIOREK K. J. L. , HARRIS D. H. , NAKAHARA J. H. , SMYTHE M. E. , KRATZER R. H.
Published: May 2016

Aus den Diphospha‐triazinen (I) und den Monophosphatriazin‐Derivaten (III) und (V) werden die entsprechenden Thiophenol‐Derivate (II), (IV) und (VI) synthetisiert.
ChemInform Abstract: Chloroselenates(IV): Synthesis, Structure, and Properties of (As(C6H5)4)2Se2Cl10 and (As(C6H5)4)Se2Cl9.
Authors: KREBS B. , RIESKAMP N. , SCHAEFFER A. +
Published: May 2016

The title anions SeZCEJ and Se2C19′ are prepared as the first dinuclear haloselenates(IV) by the reaction of (SeCl4)4 with stoichiometric quantities of Chloride ions in POCl3 solutions and isolated as AsPhI salts (I) and (II).
ChemInform Abstract: Organopolylithium Compounds. Part 5. Vicinal Dilithioalkenes by Addition of Lithium to Simple Cyclic and Acyclic Alkynes.
Authors: MAERCKER A. , GRAULE T. , GIRRESER U.
Published: May 2016

Die Dilithiierung von Cyclooctin (I) bei niedrigen Temp. in verschiedenen Lösungsmitteln, die zu unterschiedlichen Mengen an dilithiiertem Monomeren (II) und Dimeren (III) führt, wird anhand der Deuteriolyseprodukte (IVa) und (Va) sowie der bei der Methylierung entstehenden Produkte (IVb‐d) und (Vb‐d) diskutiert.
ChemInform Abstract: Preparation and Properties of Alkalimetal ‐ Benzene‐1,4‐dicarbotetrathioates. The Crystal Structure of K2(S2C‐C6H4‐CS2 )·2 H2O.
Authors: MIKLOWEIT U. , MATTES R.
Published: May 2016

On oxidation of ogod‐dichlorop‐xylene (I) with elemental sulfur alkali metal salts of tetrathioterephthalic acid, such as the title salt (II), are formed.
ChemInform Abstract: The Three‐Dimensional, Non‐Molecular, Polyadamantanoid Structure of Cd(SPh)2.
Authors: CRAIG D. , DANCE I. G. , GARBUTT R.
Published: May 2016

Crystalline Cd(SPh)2 is an inorganic polymer (I) which crystallizes in the space group P212121 with Z=4.
ChemInform Abstract: Synthesis of Re(η‐C6H6)(η5‐C8H11), [Re(η‐C6H6)(η5‐C8H11)H]BF4, and Re(η‐C6H6)(η4‐C8H12)Ph Using Rhenium Atoms: Characterization by Application of a Modified Heteronuclear 13C ‐ 1H J‐Resolved Two‐dimensional NMR Experiment.
Authors: DEROME A. E. , GREEN M. L. H. , O'HARE D.
Published: May 2016

Co‐condensation of Re atoms and an l :l mixture of benzene and cycloocta‐1,3‐diene gives (11‐benzene)(n5‐cyclooctadienyl)‐Re(I) (I).
ChemInform Abstract: Polymetalated Carbon. Part 2. μ3‐Vinylidene‐ and μ3‐Methylidyne Carbonyl Iron Complexes via Transmetalation of 1‐Metalla‐1,3‐dienes.
Authors: AUMANN R. , HEINEN H. , KRUEGER C. + , GODDARD R.
Published: May 2016

The metalladiene (I) reacts with Fe2(CO)9 in dry Et2O (room temperature, 2 d) to yield trinuclear iron clusters via transmetalation of the vinylcarbene ligand.
ChemInform Abstract: Co‐ordination Chemistry of Higher Oxidation States. Part 17. Synthesis and Properties of Nickel(IV) Complexes with Neutral Ligands, and Structures of [Ni{o‐C6H4(EMe2)2}2Cl2][ClO4]n (E = P or As; n = 1 or 2) by Nickel K‐edge Extended X‐Ray Absorption Fine Structure.
Authors: HIGGINS S. J. , LEVASON W. , FEITERS M. C. , STEEL A. T.
Published: May 2016

The pseudo‐octahedral Ni(IV) complexes (II) and (IV) prepared as shown are characterised by elemental analysis, IR, UV/VIS, and ESR spectroscopy and magnetic measurements.
ChemInform Abstract: Pillaring of Layers in α‐Zirconium Phosphate by 1,10‐Phenanthroline and Bis(1,10‐phenanthroline)copper(II): Formation of Complex Pillars in situ.
Authors: FERRAGINA C. , MASSUCCI M. A. , PATRONO P. , LA GINESTRA A. , TOMLINSON A. A. G.
Published: May 2016

It is shown that if the layers of α‐Zr(HPO4)2·H2O are first pre‐swelled by preparing the diethanol intercalate α‐Zr(HPO4)2(EtOH)2 even large species such as [Cu(phen)2]2+ or phen (phen: 1,10‐phenanthroline) itself can be intercalated.
ChemInform Abstract: Mono‐ and Bi‐nuclear Gold(I), Gold(II), and Gold(III) Perhalogenoaryl Complexes with the Ligand Bis(diphenylphosphino)amine.
Authors: USON R. , LAGUNA A. , LAGUNA M. , NIEVES FRAILE M. , JONES P. G. , SHELDRICK G. M.
Published: May 2016

Addition of bis(diphenylphosphino)amine to neutral or cationic gold(I) and gold(III) complexes containing weakly coordinated neutral ligands leads to the formation of the complexes (II), (IV), (VI), and (IX).
ChemInform Abstract: Synthesis of the all‐L‐Configurated Cyclotetradepsipeptide cyclo[‐L‐Val‐L‐Lac‐]2 by the Combined Protection/Activation Method with the 2,4‐Bis(methylthio)phenoxycarbonyl Group.
Authors: KUNZ H. , LASOWSKI H.‐J.
Published: May 2016

The synthesis of the title compound (V) ‐ the first synthetic cyclotetradepsipeptide with units of equal configuration not containing N‐methyl groups ‐ has been realized Starting from the protected didepsipeptide (Ia), which is converted (MCPBA) to the activated oxidation product (Ib).
ChemInform Abstract: A Contribution to the Chemistry of Pyrazole‐Type Dianhydrophenylosazones.
Authors: SOMOGYI L.
Published: May 2016

Die Cyclisierung der Phenylhydrazone (Ib) und (II) führt unter verschiedenen Bedingungen mit variablen Ausbeuten zu den Pyrazolen (III).
ChemInform Abstract: A Convenient Synthesis of (Z)‐5‐Undecen‐2‐one: A Pheromone from the Pedal Gland of the Bontebok (Damaliscus dorcas dorcas).
Authors: ROSINI G. , BALLINI R. , PETRINI M.
Published: May 2016

Durch Nitroaldolkondensation, Oxidation und Denitrierung erfolgt die Synthese des Ketons (VI).
ChemInform Abstract: Reaction of Hopeite with Hydrazine.
Authors: NIKONENKO E. A. , MARENKOVA I. N.
Published: May 2016

The title compound (I), on reaction with hydrazine, yields the complexes (II), (III) or (IV), depending on the concentration of the hydrazine solution.
ChemInform Abstract: Reaction of Molybdenum Ditelluride with Sulphur Monochloride
Authors: FEDOROV V. E. , FEDIN V. P. , KUZ'MINA O. A.
Published: May 2016

The reaction between MoTe2 (I) and S2Cl2 (II) affords the complex (III) at 100 ° Cand the complex (IV) at 150°C. The complex (III) is further converted to the complexes (V) and (VI) on reaction with MeCN or conc.
ChemInform Abstract: Concerted 1,2‐Carbonyl Migrations in Organic Synthesis. A Practical Synthesis of Spiro Cyclic 1,3‐Diketones.
Authors: BACH R. D. , KLIX R. C.
Published: May 2016

Die aus den α,β‐ungesättigten cyclischen Enonen (I) hergestellten Oxirane (II) lagern sich in Gegenwart von Bortrifluorid unter Acyl‐ Wanderung in die spirocyclischen 1,3‐Diketone (III) um.
ChemInform Abstract: Palladium‐Catalyzed Formylation of Organic Halides with Carbon Monoxide and Tin Hydride.
Authors: BAILLARGEON V. P. , STILLE J. K.
Published: May 2016

The palladium‐catalyzed formylation of substituted aryl iodides (Ia)‐(Ic), (IV) with tin hydride and carbon monoxide gives good yields of aldehydes (IIa)‐′(IIc) and (V).
ChemInform Abstract: Flash Vacuum Thermolysis of 1‐Chloro‐4‐methylene[2.m]alkanes.
Authors: JENNESKENS L. W. , DE WOLF W. H. , BICKELHAUPT F.
Published: May 2016

Addition of bromochlorocarbene to the bismethylenecycloalkanes (I) gives (III).
ChemInform Abstract: Synthesis of Arylimines from N‐Silylamides and Aryllithium Compounds.
Authors: FERINGA B. L. , JANSEN J. F. G. A.
Published: May 2016

Aus den Aryllithiumverbindungen (I) erhält man mit den Amiden (II) primär die Addukte (III), die je nach Substituenten zu den Ketonen (IV) oder zu den Iminen (VI) gespalten werden.
ChemInform Abstract: Fluoromethoxydiazirine and Fluoromethoxycarbene.
Authors: MOSS R. A. , FEDORYNSKI M. , TERPINSKI J. , DENNEY D. Z.
Published: May 2016

Aus dem O‐Methyl‐isoharnstoffether (I) erhält man mit Hypobromit das Diazirin (II), das zum Fluorid (III) substituiert wird.
ChemInform Abstract: An Isosteric 2‐802 Analogue of Norlumiflavine: Synthesis and Methylation.
Authors: DUSEMUND J. , SCHURREIT T.
Published: May 2016

Der Chinoxalincarbonsäureester (I) wird mit Sulfamid (II) zum Thiadiazindioxid (III) kondensiert und weiter in die Dimethylverbindung (V) übergeführt.
ChemInform Abstract: Binding of Indium, Used in the Perturbed γ‐γ Angular Correlation Studies, on DNA and DNA Moieties.
Authors: SIDERIS E. G. , KALFAS C. A. , KATSAROS N.
Published: May 2016

The two successive γ rays emitted from bound indium (IIIIn) are utilized in the title (PAC) method for the study of molecular dynamics of cellular macromolecules such as DNA.
ChemInform Abstract: Reactions of Cobalt Carbene Complexes with Alkynes ‐ η4‐Vinylketene Complex Intermediates and a Novel Synthesis of Bovolide.
Authors: WULFF W. D. , GILBERTSON S. R. , SPRINGER J. P.
Published: May 2016

Der Stannylcarben‐Co‐Komplex (IIIa) reagiert mit 1.2 Äquiv.
ChemInform Abstract: Methylamine Analogues of Wolffram′s Red and Reihlen′s Green: Syntheses, Infrared, Electronic, Raman, and Resonance‐Raman Spectroscopy, and X‐Ray Crystal Structures of Chain Chlorine‐ and Bromine‐bridged Platinum(II,IV) Complexes of Methylamine.
Authors: CLARK R. J. H. , CROUD V. B. , DAWES H. M. , HURSTHOUSE M. B.
Published: May 2016

The mixed‐valence Chain complexes (III) are prepared by reaction between Pt(II) complex (I) and its oxidative addition products, the Pt(IV) complexes (II).
ChemInform Abstract: Synthesis of (±)‐Cryptofauronol and Related Valerane Sesquiterpenes via Rearrangement of Bicyclo[5.3.0]decane Precursors.
Authors: SAMMES P. G. , STREET L. J. , WHITBY R. J.
Published: May 2016

Treatment of sec. β‐alcohols of type (Ic) with Lewis acids results in skeletal rearrangement to give (II) on aqueous workup.
ChemInform Abstract: Selective Silylation of 6‐Deoxyglycals.
Authors: HORTON D. , PRIEBE W. , VARELA O.
Published: May 2016

Unter den angegebenen Reaktionsbedin‐ gungen werden die Glykale (I) und (V) selektiv zu den entsprechenden 3‐Silylethern (II) bzw. (VI) umgesetzt.
ChemInform Abstract: Methylene‐indolines, Indolenines and Indoleniniums. Part 21. An Indolenine Approach to Morphine Related Compounds.
Authors: LARONZE J. Y. , LARONZE J. , PATIGNY D. , LEVY J.
Published: May 2016

Cyclohexenon (I) reagiert mit Nitromethan (II) zu dem Addukt (III), aus dem das Acetal (IVa) hergestellt wird.
ChemInform Abstract: Synthesis and Antiviral Activity of (E)‐5‐(2‐Bromovinyl)uracil and (E)‐5‐(2‐Bromovinyl)uridine.
Authors: DE CLERQ E. , DESGRANGES C. , HERDEWIJN P. , SIM I. S. , JONES A. S. , MCLEAN M. J. , WALKER R. T.
Published: May 2016

Aus dem Iod‐uridin (I) wird über die Carbonsäure (II) das Bromvinyl‐ uridin (IIIa) hergestellt, das im Vergleich zum Bromvinyl‐uracil (IIIb) auf anti‐.
ChemInform Abstract: Secondary Mould Metabolites. Part 15. Structure Elucidation of Rubellins A and B, Two Novel Anthraquinone Metabolites from Mycosphaerella rubella.
Authors: ARNONE A. , CAMARDA L. , NASINI G. , ASSANTE G.
Published: May 2016

The structures of the yellow rubellinA (Ia) and the orange rubellin B (Ib) are deduced from their derivatives and spectroscopic data.
ChemInform Abstract: Trimethylsilyl Polyphosphate (PPSE).
Authors: IMAMOTO T.
Published: May 2016

Review: In dem Übersichtsartikel wird die Verwendung von Trimethylsilylpolyphosphat (I) in der organischen Synthese, beispielsweise bei Ringschlußreaktionen, beschrieben.
ChemInform Abstract: Structures of Ca3Au (I), Ca5Au2 (II), Sr3Au2 (III), Ba3Au2 (IV) and Alloying Behaviour of the Alkaline Earths Metals with Cu, Ag, Au.
Authors: FORNASINI M. L. , MERLO F. , PANI M.
Published: May 2016

The intermetallic compounds (I)‐(IV) are prepared by melting the two elements in arc‐welded Ta crucibles a1 z 1373 Kand studied by single crystal X‐ray analysis (([) Fe3C type, Pnma; (II) Mn5C2 type, C2/c; (III) Er3Ni2 type, R5; (IV) ErgNiz type).
ChemInform Abstract: Pentabromothio‐diarsenate and ‐diantimonate: Preparation. Vibrational Spectra, and Crystal Structures of PPh4(As2SBr5) und PPh4(Sb2SBr5).
Authors: MUELLER U. + , MOHAMMED A. T.
Published: May 2016

The title compounds (IV) are prepared as outlined in the scheme.
ChemInform Abstract: In situ UV Visible Reflectance Spectroscopic Investigation of the Nickel Electrode‐ ‐Alkaline Solution Interface.
Authors: HAHN F. , BEDEN B. , CROISSANT M. J. , LAMY C.
Published: May 2016

It is shown [hat by recording, at various ?xed wavelengths, the change in relative re?ectivity ofthe Ni surface vs the potential applied it is possible t0 get the spectra ofsuper?ciul layers.
ChemInform Abstract: Reduction of Oxygen at Illuminated p‐GaAs. Further Evidence for a Current Doubling Mechanism.
Authors: LI J. , PEAT R. , PETER L. M.
Published: May 2016

The O2 reduction at p‐GaAs takes place by the same current doubling mechanism as on p‐GaP, involving hole injection by the HO2· intermediate.
ChemInform Abstract: Silver Tellurites and Their Thermal Dissociation.
Authors: GOSPODINOV G. G. , TODOROV T. S.
Published: May 2016

The three‐component system AgNO3‐ Na3TeO3‐ H2O has been studied at 25 and IOO°C. Only one compound, AggTeOh is obtained in this System.
ChemInform Abstract: Electrochemical Study of Titanium in ChIoride‐Fluoride Melts.
Authors: POLYAKOVA L. P. , STANGRIT P. T. , POLYAKOV E. G.
Published: May 2016

The Ti cathodic reduction in molten NaCl‐KC1‐ KzTiFf) has been studied using linear sweep voltammetry and the quasi‐steady‐state method.
ChemInform Abstract: Electron Transfer Reactions on Passive Tantalum Electrodes.
Authors: SCHULTZE J. W. , MACAGNO V. A.
Published: May 2016

The simple redox reaction FC" s. Fe" + e′ on the stable, homogenous passive film on Ta has been reinvestigated in Order to evaluate the transfer coefficients.
ChemInform Abstract: Electrochemical Behavior of H2O2 at Ag in HClO4 Aqueous Solution.
Authors: HONDA M. , KODERA T. , KITA H.
Published: May 2016

The cathodic reaction in the title System is the reduction of H3O; with the slowest step being the first electron transfer.
ChemInform Abstract: First Catalytic Fixation of Nitrogen by Photocatalytic CdS/Pt/RuO2 Particulate System.
Authors: KHAN M. M. T. , BHARDWAJ R. C. , BHARDWAJ C.
Published: May 2016

During the photolysis ofun aqueous solution of the Ru(Il)‐dinitrogen complex [Ru(HEDTA)(N3)]′ (I) in the presence of the photocatulytic CdS/Pt/ RuO2 particulate System at 505nm and 30°C in the presence of N3 (bubbling through solution), NH; is liberated.
ChemInform Abstract: The XeN(SO2F)2+ and F(XeN(SO2F)2)2+ Cations: Syntheses, Raman and Multinuclear Magnetic Resonance Studies of the AsF6‐ and Sb3F16‐ Compounds, and X‐Ray Structure of XeN(SO2F)2+ Sb3F16‐.
Authors: FAGGIANI R. , KENNEPOHL D. K. , LOCK C. J. L. , SCHROBILGEN G. J.
Published: May 2016

The compounds (III), (IV) and (V) have been prepared according to reactions Aand B (yields not given).
ChemInform Abstract: Gas‐Phase Structures of Bis(pentafluorothio)difluoromethane and Tetrafluoro‐1,3‐dithietane Octafluoride.
Authors: GUPTA K. D. , MEWS R. , WATERFELD A. , SHREEVE J. M. , OBERHAMMER H.
Published: May 2016

Thc structures of (SF5)3CF2 and (SF4CF3)2 have been studied by gas electron diffraction.
ChemInform Abstract: Lewis Acid Mediated Aldol Condensations Using Thioester Silyl Ketene Acetals.
Authors: GENNARI C. , BERETTA M. G. , BERNARDI A. , MORO G. , SCOLASTICO C. , TODESCHINI R.
Published: May 2016

Die Umsetzung der Acetale (I) und (IIa) mit den achiralen Aldehyden (III) in Gegenwart von BF3‐Etherat ergibt unabhängig von der Konfiguration der Doppelbindung in (I) und (II) nahezu ausschließlich die anti‐Produkte (IV).
ChemInform Abstract: Preparation of Stable, Camphor‐Derived, Optically Active Allylic Sulfoxides.
Authors: BINNS M. R. , GOODRIDGE R. J. , HAYNES R. K. , RIDLEY D. D.
Published: May 2016

(+)‐Campher (Ia) wird bei niedriger Temperatur mit dem Thiotosylat (III) ausschließlich zu (Ib) substituiert; nach Äquilibrierung durch Erwärmen vor der Hydrolyse erhält man überwiegend das endo‐Isomere (II).
ChemInform Abstract: Dienamines as Diels‐Alder Dienes. An Efficient Cyclohexannulation Sequence.
Authors: SNOWDEN R. L. , WUEST M. +
Published: May 2016

Die Cycloalkanone (I) reagieren nach Wittig zu den ungesättigten Estern (III), die zu den ungesättigten Aldehyden (IV) reduziert und dann zu den Dienaminen (V) kondensiert werden können.
ChemInform Abstract: Cyclizations of l′,8′‐Dimethyl‐a,c‐biladiene Salts to Give Porphyrins: A Study with Various Oxidizing Agents.
Authors: SMITH K. M. , MINNETIAN O. M.
Published: May 2016

Cyclization of the ap‐biladiene salts (I) to give the porphyrins (II) have been studied in the presence of a variety of chelating agents and oxidants.
ChemInform Abstract: Sequential Michael‐Michael Ring Closure Reactions for High‐Yield, One‐ Pot, 4‐Component Coupling.
Authors: POSNER G. H. , ASIRVATHAM E.
Published: May 2016

Das Cyclohexenon (I) reagiert mit Tris‐(ethylthio)‐methyllithium (II) und Vinyl‐triphenylphosphoniumbromid (III) in Gegenwart von KOH zu dem bicyclischen Addukt (IV).
ChemInform Abstract: Stable Dications of Tetraamino‐p‐benzoquinones.
Authors: GOMPPER R. , BINDER R. , WAGNER H.‐U.
Published: May 2016

Tetramethoxybenzochinon (III) reagiert mit N,N′‐Dimethyl‐ethylendiamin (II)je nach den Bedingungen zu den Kondensationsprodukten (I) bzw. (IV).
ChemInform Abstract: Substrate Selective Hydrogenation of Olefins with Hydrogen Gas Catalyzed by the Phenyllithium Activated Fe4S4 Cluster.
Authors: INOUE H. , NAGAO Y. , HARUKI E.
Published: May 2016

Das Titel‐System (IV)/(I) katalysiert die Hydrierung terminaler Doppelbindungen von Monoenen wie (II) [ausschließliche Bildung von (IIIa) bei kompetitivem Einsatz von (lla)‐+ (IIb)] bzw. Dienen wie (V), (VIII), (X), (XlII)[‐ (VI) + (Vll),(lX),(Xl) + (XII), (XIV) + (XV); d.h. die Hydrierungen erfolgen größtenteils selektiv].
ChemInform Abstract: N,N‐Disubstituted Lithium Bis(carbamoyl)cuprate. A Convenient Complex for One‐ Pot Conversions of Amines to Formamides, Oxamides, Carbamates and Oxamic Acides.
Authors: WAKITA Y. , NOMA S.‐Y. , MAEDA M. , KOJIMA M.
Published: May 2016

Die Cuprate (II), die aus den Aminen (I) zugänglich sind, werden zu den Produkten (III)‐(VII) umgesetzt.
ChemInform Abstract: Stereochemically Controlled Synthesis of Unsaturated Hydroxy‐acids by the Horner‐ Wittig Reaction.
Authors: GREEVES N. , WARREN S.
Published: May 2016

Der aus dem Alkohol (Ia) erhaltene Silylelher (Ib) wird über die Li‐ Verbindung zu (IV) substituiert.
ChemInform Abstract: Organic Synthesis with α‐Chlorosulphides. Convenient Routes to Phenylthioacetals from α‐Diazoketones and Alkyl Phenyl Sulphides via α‐Chlorosulphides.
Authors: CRONIN J. P. , DILWORTH B. M. , MCKERVEY M. A.
Published: May 2016

Die Diazoketone (I) reagieren mit Phenylsulfenylchlorid (II) und anschließend mit Thiophenol (III)/Zinkchlorid zu den S,S‐Acetalen (IV).
ChemInform Abstract: Stereospecific Intermolecular Interception of sp2 Carbanion Intermediates in Nucleophilic Addition to Alkynes.
Authors: BURY A. , JOAG S. D. , STIRLING C. J. M.
Published: May 2016

Bei der Addition von (I) und (III) an (II) erhält man die E‐Alkohole (IV).
ChemInform Abstract: Convenient Access to Two Enantiomeric Oxirane Synthons Bearing a Quaternary gem‐Dimethyl Carbon Center: Synthesis of 3S‐(+)‐ and 3R‐(‐)‐ 2,2‐Dimethyl‐3,4‐oxo‐1‐butanol from R‐(‐)‐Pantolactone.
Authors: LAVALLEE P. , RUEL R. , GRENIER L. , BISSONNETTE M.
Published: May 2016

Das Hydroxy‐butyrolacton (Iu) wird nach Tosylierung mit Diisobutyluluminiumhydrid zu dem Trioltosylztt (II) gespalten, aus dem mit Kaliumcarbonut das Epoxid (III) sterisch einheitlich erhalten wird.
ChemInform Abstract: Cyclofunctionalisation of Epoxyalcohol Derivatives. Part 1. Delivery of Functionalised Carbon for Stereospecifc Synthesis of Dihydrofurans and Dihydroxyacids.
Authors: MCCOMBIE S. W. , SHANKAR B. B. , GANGULY A. K.
Published: May 2016

Durch Umsetzung mit (IIIa) oder (IIIb) erhält man aus den Epoxiden (I) die Epoxyether (II), die stereospezifisch mit LDA zu den Dihydrofuran‐ Derivaten (IV) umgelagert und cyclisiert werden.
ChemInform Abstract: Reactions of N‐(Morpholino‐thiocarbonyl)benzimide Chloride with Dinucleophiles.
Authors: WEBER G. , HARTUNG J. , BEYER L.
Published: May 2016

The title compound (I) reacts with a series ofdinucleophiles to afford Ihe substitution products (II)‐(X).
ChemInform Abstract: Derivatives of Naphtho[2,3‐c]pyran‐5,10‐dione. A Simple Synthesis and a Note of Their Chromogenic Properties.
Authors: ALDERSLEY M. F. , DEAN F. M. , HAMZAH A. S.
Published: May 2016

Das Naphthochinon (I) reagiert mit den Pyridinium‐Salzen (II) zu den Substitutionsprodukten (III), die zu (IV) bromiert und dann mit Triethylamin zu (V) cyclisiert werden.
ChemInform Abstract: Extrusion Reactions. Part 8. A Facile Synthesis of 4‐Alkylquinazolines and 1‐Methyl‐2‐aryl‐4‐quinolones.
Authors: SINGH H. , AGGARWAL S. K. , MALHOTRA N.
Published: May 2016

On acid or base treatment, the quinazolines (l)/(ll) [existing in form (II) if R2: ‐H] do not undergo the expected C‐2 extrusion but hydrolytic cleavage at the carbonyl group yielding the products (III).
ChemInform Abstract: Evidence of a 1,4‐Dipole Intermediate in the Reaction of 1‐Phenyl‐4‐vinylpyrazole with PTAD.
Authors: SEPULVEDA‐ARQUES J. , SIMON M. M.
Published: May 2016

1‐Phenyl‐4‐vinyl‐pyrazol (II) reagiert mit l‐Phenyl‐triazolindion (III) in Aceton zum stabilen Addukt (I), während in Methylenchlorid das instabile Addukt (IV) erhalten wird.
ChemInform Abstract: Pentaborane(9) as a Source for Higher Boron Hydride Systems. A New Synthesis of nido‐5,6‐(CH3)2‐5,6‐C2B8H10.
Authors: LAWRENCE S. H. , WERMER J. R. , BOOCOCK S. K. , BANKS M. A. , KELLER P. C. , SHORE S. G.
Published: May 2016

Investigations of the reaction of B5H9 with NaH or KH in THF or glyme to produce the B9H14‐ anion are reported in detail und evidence is given for the pathways (11B NMR spectroscopy).
ChemInform Abstract: Synthesis and Chemical Behaviour of Thioacylsilanes (Silyl Thioketones). Part 1. Oxidation to S‐Oxides, Conversion into Silylated Thiiranes, Silylated Triarylethylenes, and α‐Silylated Sulphides.
Authors: BARBARO G. , BATTAGLIA A. , GIORGIANNI P. , MACCAGNANI G. , MACCIANTELLI D. , BONINI B. F. , MAZZANTI G. , ZANI P.
Published: May 2016

The silyl thioketones (II), synthesized by Kreatment of the ketones (I) with HZS, are oxidized to give the S‐oxides (III).
ChemInform Abstract: New Selenium ‐ Nitrogen Compounds: tert‐Butyl‐seleninylamine, tBuNSeO, and Di(tert‐butyl)selenium Diimide, Se(NtBu)2.
Authors: HERBERHOLD M. , JELLEN W.
Published: May 2016

On reaction oftBuNHz (I) with Se‐ OClz, at molar ratio 3:1, the seleninylamine (II) is obtained as the first representative of this class of compounds.
ChemInform Abstract: Macrobicyclic Chromium(III) Hexaamine Complexes.
Authors: COMBA P. , CREASER I. I. , GAHAN L. R. , HARROWFIELD J. MACB. , LAWRANCE G. A. , MARTIN L. L. , MAU A. W. H. , SARGESON A. M. , SASSE W. H. F. , SNOW M. R.
Published: May 2016

The macrobicyclic ligund (Ib) reacts with anhydrous CrCIJ in DMSO in the presence of zinc powder to givc (IIa).
ChemInform Abstract: Circular Dichroism of Tricarbonyl(diene)iron Complexes. The Octant Rule Applied to Ketones Perturbed by Remote Fe(CO)3 Groups.
Authors: GABIOUD R. , VOGEL P. , PINKERTON A. A. , SCHWARZENBACH D.
Published: May 2016

Optically pure enantiomers of (II)‐(V) are prepared by methods reported previously for the corresponding racemic compounds: the optical resolution [cIÄ (t )‐(llc) ‐ (‐)‐(llc)] is carried out by an established procedure.
ChemInform Abstract: Phosphinidene‐, Arsinidene‐ and Stibinidene Complexes, Valence Tautomerism and Dimerisation Products.
Authors: LANG H. , HUTTNER G. , SIGWARTH B. , WEBER U. , ZSOLNAI L. , JIBRIL I. , ORAMA O.
Published: May 2016

Arsinidenkomplexe (III) entstehen besonders einfach durch Reaktion von (I) mit den Arsinen (II).
ChemInform Abstract: The Synthesis and Structure of Novel Ferrocene Bis‐Crown Ethers.
Authors: BEER P. D.
Published: May 2016

Die Darstellung der Ferrocenylkronenether (III) gelingt aus dem Säurechlorid (I) mit den Kronenethern (II).
ChemInform Abstract: Interaction Between Transition Metals and Nucleic Acids. Part 3. Synthesis and Structural Studies of Copper(II) Complexes with Schiff Base Ligands Derived from Barbituric Acid.
Authors: SASAKI I. , GAUDEMER A. , CHIARONI A. , RICHE C.
Published: May 2016

Die Schiffschen Busen (III) und (IV) der entsprechenden Barbitursäure‐Derivate (I) werden wie aufgezeichnet in guten Ausb. (ohne Zahlenangaben) synthetisiert und durch Elementaranalysen und spektroskopische Daten (IR, UV, NMR) charakterisiert.
ChemInform Abstract: A High‐Valent Dioxoruthenium(VI) Complex of 2,2′‐Bipyridine (bpy).
Authors: CHE C.‐M. , WONG K.‐Y. , LEUNG W.‐H. , POON C.‐K.
Published: May 2016

The best method to prepare the Ru(VI)tit1e Complex (II) is the direct oxidation of the Ru(III)‐hydrox0aqu0 Complex (I) with CeUV) as shown.
ChemInform Abstract: Preparation and Determination of Configuration of 3‐Halogeno‐3‐methyl‐5α‐cholestane Epimers.
Authors: VAN ROBAYS M. , BUSSON R. , VANDERHAEGHE H.
Published: May 2016

Trealment of the two epimeric 3‐hydr0xy‐3‐melhylcholestanes (Ia) or (Ib) with HC] according to u literature procedure affords the 3a‐chloro comyield of the chloro isomers (II) or (III) and a cleaner conversion are attained using tetramethyl‐1‐chlorovinylamine as the chlorinating agent.
ChemInform Abstract: Enantiospecific Synthesis of Protected 4‐Deoxy‐L‐threose and 4‐Deoxy‐L‐erythrose via Diastereoselective Reduction of L‐Lactic Acid‐Derived Ketones.
Authors: GUANTI G. , BANFI L. , NARISANO E.
Published: May 2016

Mit dem For mylanion‐Äquivalent (I) reagieren die Ester(II) zu Ketonen (IlI), die bevorzugt zu den syn‐Alkoholen (IV) reduziert werden können.
ChemInform Abstract: New Synthesis of the Vinblastine Derivatives 20′‐Deethyl‐20‐deoxyvinblastine and 20′‐Deethyl‐20′‐deoxy‐C′‐homovinblastine.
Authors: SCHILL G. , PRIESTER C. U. , WINDHOEVEL U. F. + , FRITZ H.
Published: May 2016

The synthesis of the dimer (XI) and the vinblastine derivative (XII) (one title compound) starts from the compounds (I) and (II).
ChemInform Abstract: The Toxic and Sedative Bufadienolides of Kalanchoe daigremontiana Hamet et Perr.
Authors: WAGNER H. , LOTTER H. , FISCHER M.
Published: May 2016

The five biosynthetically related bufadienolides (I) (daigremontianin), (II) (daigredorigeninß‐acetate), (IIIa), (IIIb), (IIIc) (bersaldegenin LLS‐orthoacetate, 3‐acetate, and l‐acetate, resp.) have been isolated from the title species and structurally elucidated by X‐ray analysis and by 1H and 13C NMR spectroscopy [X‐ray analysis data fol‐(Ia): P2" Z=2: f0r(lb): P2,2,2" Z=4].
ChemInform Abstract: Mixed Valence Compounds RbxSbCl6. Crystal and Molecular Structures of Rb2SbCl6 and Rb2.66SbCl6.
Authors: MASCHERPA‐CORRAL D. , DUCOURANT B. , FOURCADE R. , MASCHERPA G.
Published: May 2016

The results of a resolution of the crystal structure of Rb4Sb(III)Cl6Sb(V)Cl6 (I) on a single crystal confirm the K2PtCl6‐type structure formerly established by powder XRD.
ChemInform Abstract: Crystallographic Study of the Compounds Ca3‐xMx(XO4)2 (M: Sr, Ba; X: P, As, V) Prepared Under High Pressure.
Authors: ROUX P. , BONEL G.
Published: May 2016

The title compounds, prepared by heating various mixtures of phosphates, arsenates, or vanadates of Ca, Sr, or Ba at 900°C, are biphasic.
ChemInform Abstract: Thermodynamics, Conductivity and Photochemical Effects of Sulphur Ammonia Solutions.
Authors: PRESTEL H. , SCHINDEWOLF U.
Published: May 2016

While thermodynamic data obtained by NH; vapour pressure measurements do not allow deeper insight into the nature of S/NH3 solutions it is concluded from conductivity measurements and optical spectra that ionic species are formed having the character of a strong electrolyte and being extremely photosensitive.
ChemInform Abstract: Structure and Physical Properties of the Red Bronze Tl0.33MoO3.
Authors: GANNE M. , DION M. , BOUMAZA A.
Published: May 2016

The title compound is prepared in two steps: 1. heating a stoichiometric mixture of T1MoO4, M002, and 4 MoO3 at 500°C (24 h); 2., pulvering the product and heating at 560°C (24h).
ChemInform Abstract: Search for Tricritical Points in Ternary Systems: Water ‐ Oil ‐ Nonionic Amphiphile.
Authors: KAHLWEIT M. , STREY R. , FIRMAN P.
Published: May 2016

It is shown that tricritical points can be reached, at least in principle, either by increasing the pressure, by changing the hydrophobicity of the oil, or the amphiphilicity of the amphiphile within a homologous series, or by adding an appropriate electrolyte.
ChemInform Abstract: On the Mechanism of Higher Alcohol Formation Over Metal Oxide Catalysts.
Authors: MAZANEC T. J.
Published: May 2016

A new mechanism for the synthesis of alcohols from synthesis gas is proposed based on recent observations from surface spectroscopy, catalysis, and synthetic organometallic chemistry.
ChemInform Abstract: Thermal and Photochemical Reactions between (α,α‐Dibromoketones and Five‐Membered Heterocycles in the Presence of Iron Nonacarbonyl.
Authors: PACHECO D. , VARGAS F. , RIVAS C.
Published: May 2016

Die [3 + 4]‐Cycloaddition von Dibrompentanon (I) an heteroaromatische Fünfringsysteme wie (II) und (VII) führt zu den Derivaten (III)‐(VI) bzw. (VIII) und (IX).
ChemInform Abstract: [2 + 3]Dipolar Cycloadditions of a Monomeric Thioaldehyde.
Authors: VEDEJS E. , WILDE R. G.
Published: May 2016

Thiopivalaldehyd (I) liefert mit den Nitronen (II) und (IV), dem Nitriloxid (VI), der Diazoverbindung (VIII) sowie dem Azomethinimin (X) die stabilen [2 + 3]‐Cycloaddukte (III), (V), (VII), (IX) und (XI).
ChemInform Abstract: Conversion of Epoxides to Bromohydrins by B‐Bromobis(dimethylamino)borane.
Authors: BELL T. W. , CIACCIO J. A.
Published: May 2016

Die Epoxide (I) reagieren mit Bis‐dimethylamino‐borbromid (II) zu Gemischen der Brom‐hydrine (III) und (IV).
ChemInform Abstract: A Ring Expansion Reaction of (Me2NCN)(NSCl)2 with Me3SiNSO : Preparation of the Bicyclic Compounds R2NCS3N5 (R: Me, Et, i‐Pr) and X‐Ray Crystal Structure of the Folded Eight‐Membered Ring 1,5‐Me2NC(NSN)2SCl.
Authors: CHIVERS T. , RICHARDSON J. F. , SMITH N. R. M.
Published: May 2016

The heterocyclic compounds (I) react with (II) to give the bicyclic Compounds R2NCS3N5 (III).
ChemInform Abstract: Synthesis and Isomerization of 1‐Alken‐3‐yl Acetates and 2‐Alken‐1‐yl Acetates.
Authors: MARTINEZ A. G. , RUIZ M. O. , CONTELLES J. L. M.
Published: May 2016

Die aus den sekundären Allylalkoholen (I) zugänglichen Acetate (II) lassen sich besser durch Natriumacetat in Essigsäure als durch starke Protonensäuren in primäre E,Z‐Allylacetate (III) umlagern.
ChemInform Abstract: A Sixfold Triplet‐Sensitized Z/E Isomerization of a π‐Perimeter Macrocycle.
Authors: SUNDAHL M. , WENNERSTROEM O. + , SANDROS K. , NORINDER U.
Published: May 2016

Die Bestrahlung des all‐2‐Paracyclophans (I) führt zum all‐E‐Isomeren (II).
ChemInform Abstract: Bonded vs. Nonbonded Electron Transfers in Molten Salts: Characterization and Rates of Formation of the Radical Cations and Dications of Phenoxazine and Phenothiazine and Behavior of the M(2,2′‐bipyridine)32+/3+ (M: Fe, Ru, Os) Complexes in SbCl3‐Rich Media.
Authors: CHAPMAN D. M. , BUCHANAN A. C. III. , SMITH G. P. , MAMANTOV G.
Published: May 2016

The electrochemical and homogeneous oxidations of phenoxazine and phenothiazine to their highly persistent radical Cations, and dications are studied in anhydrous SbCl3 ‐ AlCl3‐ N‐(l‐butyhpyridinium Chloride mixtures at 23‐27°C. The progress of these oxidations is followed by fast optical spectroscopy.
ChemInform Abstract: An Alternative Synthetic Method for Polycyclic Aromatic lodides.
Authors: SUZUKI H. , KONDO A. , INOUYE M. , OGAWA T.
Published: May 2016

Aromatische polycyclische Iodverbindungen (II) können, wie im Formelschema skizziert, synthetisiert werden.
ChemInform Abstract: Sulfurization of Azines. Part 7. Exhaustive Sulfurization of Quinoline.
Authors: MASLANKIEWICZ A.
Published: May 2016

The exhaustive sulfurization of quinoline (I), i.e. treatment of (I) with sulfur until no further evolution of H2S is observed, may follow four different pathways, depending on the ratio of (I)/S3: dehydrogenation, monosulfurization, dehydrogenation/ monosulfurization or disulfurization.
ChemInform Abstract: Aspects of Tautomerism. Part 15. Investigations on Oxo‐Participation in δ‐Oxocarboxylic Acid Chlorides During Their Formation and Alcoholysis.
Authors: SHASHIDHAR M. S. , BHATT M. V.
Published: May 2016

Oxalylchloride(II) converts the acid (Ia) and its derivatives (Ib) into mixtures of the acid Chlorides(III) and the pseudoacid Chlorides (IV) by two independent pathways.
ChemInform Abstract: Trapping of the Tribromomethylanion by Electron Poor Alkenes.
Authors: BAIRD M. S. , GERRARD M. E. , SEARLE R. J. G.
Published: May 2016

Die Brom‐acrylsäureester (I) reagieren mit dem aus Bromoform (II) und Alkali erhaltenen Dibrom‐carben unter Phasen‐Transfer‐Bedingungen zu Tribrom‐cyclopropanen (III).
ChemInform Abstract: Friedel‐Crafts Acylation of Methyl Ester of Phenylacetic Acid: A Reinvestigation.
Authors: UGGERI F. , GIORDANO C. , BRAMBILLA A. , ANNUNZIATA R.
Published: May 2016

Phenylessigsäuremethylester (I) reagiert mit a‐Brom‐propionylchlorid (II) unter Friedel‐Crafts‐Bedingungen zu einem Gemisch der α‐Brom‐ ketone (IIIa)‐(IIIc) (o : m : p ‐= 6 : 46 : 48), die in die entsprechenden α‐Chlor‐ketone (IV) übergeführt werden können.
ChemInform Abstract: Preparation of N‐(2‐Naphthyl)‐2‐amino Acids and Esters of High Enantiomeric Purity.
Authors: PIRKLE W. H. , POCHAPSKY T. C.
Published: May 2016

Die Bucherer‐Reaktion von β‐Naphthol (I) mit enantiomerenreinen α‐Aminosäuren (II) liefert die im Titel genannten Verbindungen (III) in mäßigen Ausbeuten.
ChemInform Abstract: Nitration of Substituted Indoles.
Authors: HISHMAT O. H. , RAHMAN A. H. A.‐E. , EL‐EBRASHI N. M. A. , ISMAIL M. M. F.
Published: May 2016

Die Nitrierung des Methoxydiphenylindols (I) liefert unter Umlagerung das Nitroindolinon (II), das sich basenkatalysiert zum Nitroindol (III) umlagert; die Oxidation mit CrO3 macht aus (II) das Benzoylaminobenzophenon (IV) zugänglich.
ChemInform Abstract: Cyclization of Isothiosemicarbazones. Part 6. The Formation and Structures of N‐Alkenyl‐1,2,4‐triazoles and Related Compounds.
Authors: YAMAZAKI C. , TAKADA S. , SUZUKI K. , ISHIGAMI M.
Published: May 2016

Aus den Isothiosemicarbazonen (I) werden mit den Ethoxymethylenverbindungen (II) die Enamine (III) und (IV) erhalten.
ChemInform Abstract: Unusual "Hydrolysis" of 2‐Nitrosopyridines: Formation of 1‐(2‐Pyridyl)‐ 2(1H)‐pyridones.
Authors: TAYLOR E. C. , HARRISON K. A. , RAMPAL J. B.
Published: May 2016

Die 2‐Nitrosopyridine (I) liefern bei der Einwirkung von Wasser die im Titel genannten Verbindungen (II).
ChemInform Abstract: A Convenient Synthesis of 3‐Acylindoles via Friedel‐Crafts Acylation of 1‐(Phenyl‐ sulfonyl)indole.
Authors: KETCHA D. M. , GRIBBLE G. W.
Published: May 2016

Aus den N‐Phenylsulfonyl‐indolen (I) entstehen mit Anhydriden oder Säurechloriden die 3‐Acylverbindungen (II), die zu den freien Indolen (III) verseift werden.
ChemInform Abstract: Macrocyclic Polylactams of Mirror Symmetry: Preparation and Structure.
Authors: SCHWARTZ E. , GOTTLIEB H. E. , FROLOW F. , SHANZER A.
Published: May 2016

Aus den Diaminen (I) entstehen mit Bis‐diethylamino‐dimethylsilan (II) die Diazasilolidine (III), die mit Dicarbonsäuredichloriden (IV) zu monomeren (V) und dimeren Polylactamen (VI) mit Spiegelsymmetrie führen.
ChemInform Abstract: Reactions of Oligoethylene Glycol Diglycidyl Ethers with Hydroxy Compounds.
Authors: NAKATSUJI Y. , TSUJI Y. , IKEDA I. , OKAHARA M.
Published: May 2016

Bei der Umsetzung der im Titel genannten Verbindungen (I) werden neben offenkettigen Oligohydroxyethern, z.B. (IV), die Hydroxy‐alkoxy‐kronenether (III) in mäßigen bis guten Ausbeuten erhalten.
ChemInform Abstract: A Macrocyclic Ligand Incorporating Both a 2,2′‐Bipyridyl and a 2,9‐Diphenyl 1,10‐Phenanthroline Fragment: Reciprocal Control of One Site by Complexation of the other Site to a Transition Metal.
Authors: CHAMBRON J.‐C. , SAUVAGE J.‐P.
Published: May 2016

4,4′‐Dimethyl‐2,2′‐bipyridin (Ia) wird in die Dibromverbindung (Id) übergeführt, die mit dem Phenanthrolin‐bis‐phenol (IIb) zum Makrocyclus (III) kondensiert wird.
ChemInform Abstract: Kinetics of the Isomerization of 1‐Methylsilene to Dimethylsilylene.
Authors: CONLIN R. T. , KWAK Y.‐W.
Published: May 2016

The gas‐phase pyrolysis of the silicon heterocycle (I) produces the title compounds, which are trapped by butadiene (II).
ChemInform Abstract: Quasiphosphonium Intermediates. Part 5. The Formation of Alkoxyphosphonium Intermediates and of Phosphorus‐Nitrogen Fission Products in Reactions of Neopentyl N,N,N′,N′‐Tetramethylphosphorodiamidite with Halogenomethanes.
Authors: HUDSON H. R. , POWROZNYK L. , QURESHI A. R.
Published: May 2016

Die P‐Quaternisierung von (I) ist bei Verwendung von Methylchlorid bzw. ‐bromid stets von N‐Quaternisierung und P‐N‐Bindungspaltung begleitet.
ChemInform Abstract: Reaction of (Silylamino)phosphines with Carbon Disulfide.
Authors: MORTON D. W. , NEILSON R. H.
Published: May 2016

Die Phosphine (I) reagieren mit Schwefelkohlenstoff zu (III), ohne daß P‐N‐Insertion oder Si‐N‐Bindungsspaltung auftritt.
ChemInform Abstract: Bulky Metal Aryloxides, Arylamides, and Sulphur and Phosphorus Analogues.
Authors: DUFF A. W. , KAMARUDIN R. A. , LAPPERT M. F. , NORTON R. J.
Published: May 2016

Eight classes of Ti(IV) aryloxides are prepared, [the compounds (II), (IV), (VI)/ (VIII), (X), (XI), (XII), (XIII) and (XIV)], as well as Ti(III) complexes [e.g.
ChemInform Abstract: Some Substituted Urea Complexes of Thorium Tetranitrate; Crystal Structure of Tetra(nitrato‐O,O′)bis(tetramethylurea‐O)thorium(IV), Th(NO3)4(OC(NMe2)2)2.
Authors: AL‐DAHER A. G. M. , BAGNALL K. W. , FORSELLINI E. , BENETOLLO F. , BOMBIERI G.
Published: May 2016

The solid title complexes were prepared by treating a solution of thorium nitrate with the ligands in EtOH using a large excess of the latter for (IIa), but only a slight excess for (IIb) and (Ib).
ChemInform Abstract: Synthesis of the Cage Penta‐azamacrobicycloalkane 12,17‐Dimethyl‐1,5,9,12,17‐penta‐azabicyclo[7.5.5]nonadecane, Its Basicity, and Metal Complex Formation.
Authors: CIAMPOLINI M. , MICHELONI M. , VIZZA F. , ZANOBINI F. , CHIMICHI S. , DAPPORTO P.
Published: May 2016

The title ligand was synthesized Starting from (I).
ChemInform Abstract: Facile Addition and Elimination Reactions of Fluorocarbon Acids at Platinum.
Authors: SIEDLE A. R. , NEWMARK R. A. , GLEASON W. B.
Published: May 2016

Reaction of the complex (I) with the carbon acid (II) yields the thermally rather stable trans compound (III), which isomerizes to the cis analogue (IV) in CDzClz (first‐order kinetics).
ChemInform Abstract: An Efficient Benzoquinone Based Diels‐Alder Approach to Podocarpane Diterpenes.
Authors: ENGLER T. A. , NAGANATHAN S.
Published: May 2016

Benzochinon (I) reagiert mit dem Dien (II) unter Druck oder Lewissäure‐ Katalyse zu Gemischen der Addukte (III), (IV) und (V).
ChemInform Abstract: Identification and Structure Assignment of Components of Leucinostatin and CC‐1014 by Directly Coupled Liquid Chromatography/ Fast Atom Bombardment Mass Spectrometry.
Authors: STROH J. G. , RINEHART K. L. JUN. , COOK J. C. , KIHARA T. , SUZUKI M. , ARAI T.
Published: May 2016

The new leucinostatins C (Ic) and D (Id) are identified along with the known leucinostatinsA (Ia) and B (Ib) using the title techniques (LC) (FABMS).
ChemInform Abstract: Silicium‐Induced Fragmentation. Part 2. Stereoselective Synthesis of Nonacosadien‐ 7(Z),11(Z), a Contact Pheromone of Drosophila melanogaster.
Authors: NGUYEN VAN BAC NGUYEN VAN BAC , FALL Y. , LANGLOIS Y.
Published: May 2016

Man erhält die im Titel genannte Verbindung (VII) ausgehend von α‐Picolin (I) gemäß dem Formelschema.
ChemInform Abstract: Alkoxide Precursor Synthesis and Characterization of Phases in the Barium ‐ Titanium Oxide System.
Authors: RITTER J. J. , ROTH R. S. , BLENDELL J. E.
Published: May 2016

Barium titanate precursors with Ba/Ti ratios from 2:1 to 1:9 have been prepared by controlled hydrolysis of mixed Ba and Ti species in an alcohol medium.
ChemInform Abstract: Electrochemical Behavior of Azide Ions on Platinum Electrodes.
Authors: MIYAMA H. , NOSAKA Y. , FUKUSHIMA T.
Published: May 2016

The reduction of N3′ at Pt electrodes has been investigated using cyclic voltammetry, single linear potential sweep and rotating disk electrodes.
ChemInform Abstract: Electronic Excitation Energy Transfer in Organic Liquid Scintillators.
Authors: MATHAD R. D. , CHIKKUR G. C. , UMAKANTHA N.
Published: May 2016

The rate constant for transfer of electronic excitation energy from the first excited singlet state of the solvent toluene to two indoles, l‐p‐chlorophenyl‐S‐benzyloxy‐2‐phenylindole and 5‐methyl‐3‐phenylindole‐ l ‐propionitrile, as solutes in three types of solvent media, pure toluene, 1:9 mixture of toluene and cyclohexane, and 1:9 mixture of toluene and liquid paraffin is determined as a function of temp. in the range 293‐353 Kunder oxygen‐free conditions.
ChemInform Abstract: Simple Access to Highly Enantiomerically Enriched (S)‐3‐Methyl‐1‐pentanol, (S)‐3‐Methyl‐1‐pentene, (2R,3S)‐2‐Deuterio‐3‐methyl‐1‐pentanol and (2S,3S)‐3‐Methyl‐2‐pentanol from Natural L‐Isoleucine.
Authors: SCHURIG V. , LEYRER U. , WISTUBA D.
Published: May 2016

Aus Isoleucin (I) erhält man über eine Diazotierung die Chlorverbindung (II), die zum Alkohol (IIIa) reduziert und in Form des Acetates (IIIb) in das Olefin (IV) übergeführt wird.
ChemInform Abstract: Acyclic Stereoselection. Part 34. Stereoselection in the Michael Addition Reactions.
Authors: HEATHCOCK C. H. , UEHLING D. E.
Published: May 2016

Die Enolether (I) reagieren mit den chiralen Enonen (II) in Gegenwart von TiCl4 weitgehend stereoselektiv zu den Addukten (III).
ChemInform Abstract: Synthesis of an Azulene Lactone by an Intramolecular [6 + 4]Cycloaddition.
Authors: GUPTA Y. N. , PATTERSON R. T. , BIMANAND A. Z. , HOUK K. N.
Published: May 2016

Sorb insäure (I) wird in das Säurechlorid (II) übergeführt und dieses mit Natrium‐formylcyclopentadienid (III) zum Ester (IV) umgesetzt.
ChemInform Abstract: Replacement of Dipolarophile of 1,3‐Cycloadduct.
Authors: SUN K. K.
Published: May 2016

Die isomeren Sydnon‐N‐Phenylmaleinimid‐Addukte (Ia) und (Ib) werden beim Erhitzen über eine diskutierte Zwischenstufe zu dem Maleinimid (II) und dem Pyrrolopyrazol (III) gespalten.
ChemInform Abstract: Synthesis of the Pyrrolidine Ring System by Radical Cyclization.
Authors: PADWA A. , NIMMESGERN H. , WONG G. S. K.
Published: May 2016

Die Butenylamine (I) reagieren unter radikalischen Bedingungen über das acyclische (II) und das cyclische Radikal (III) mit Tributylzinnhydrid zu den Olefinen (IV) und dem Methylpyrrolidin (Vb).
ChemInform Abstract: Iminium Ion Mediated Cyclizations with 4‐Aryl‐1,4‐dihydropyridines.
Authors: HARTMAN G. D. , HALCZENKO W. , PHILLIPS B. T.
Published: May 2016

Die Furyl‐ bzw. Thienylmethylphenyldihydropyridine (V), zugänglich aus den Brom‐Derivaten (I), werden unter intramolekularer Cyclisierung in die Methanobenzofuroisochinoline (VI) übergeführt.
ChemInform Abstract: Metalation‐Induced Double Migration of Phosphorus from O → C.
Authors: DHAWAN B. , REDMORE D.
Published: May 2016

Aus den Phenolen (I) erhält man mit Phosphoroxychlorid die Phosphorsäureester (II) und (III) bzw. weiter aus (II) die gemischten Ester (IV).
ChemInform Abstract: Mechanism of Cyclopentene‐1‐carboxaldehyde Formation by Ring Contraction of 2,3‐Epoxycyclohexanols.
Authors: BERGMAN R. , MAGNUSSON G.
Published: May 2016

Die Lithiumbromid‐katalysierte Umlagerung der Epoxycyclohexanole (I), (VIII) und (XI), deren Herstellung beschrieben wird, führt in Abhängigkeit von der Struktur der Epoxide und den Bedingungen zu den Cyclopentencarbaldehyden (II)‐(IV), (IX) und (XII) sowie den Cyclohexenonen (V)‐(VII), (X) und (XIII).
ChemInform Abstract: Novel Cationic Rearrangements of the [3.3.3]Propellane System: Application to the Total Synthesis of Decarboxyquadrone.
Authors: MEHTA G. , PRAMOD K. , SUBRAHMANYAM D.
Published: May 2016

Unter Carboniumionen‐Umlagerung des tetracyclischen Ketons (I) entstehen die ungesättigten Ketone (II) und (III), deren Ringgerüst dem von Quadron (IV) und Isocomen (V) entspricht.
ChemInform Abstract: Light‐Induced Reactions of 1,1,1‐Trifluoro‐3‐decyn‐2‐one with Olefins.
Authors: MARGARETHA P. , SCHROEDER C. + , WOLFF S. , AGOSTA W. C.
Published: May 2016

Die Bestrahlung des Acetylen‐Derivates (I) in Gegenwart der Olefine (II) liefert als Cycloadditionsprodukte die Oxetane (III) und (IV) sowie die Dihydrofurane (V) neben den durch Reduktion entstandenen tert. Alkoholen (VI) und (VII).
ChemInform Abstract: Photochemical Oxidative Dimerisation of 4‐Phenylazo‐1‐naphthol in Organic Solvents.
Authors: ITOHO K. , FURUYA Y. , MASUDA T. , TAKEI M.
Published: May 2016

Durch Photooxidation des Phenylazo‐naphthols (I) erhält man das Dimere (II), das zu (III) acetyliert wird.
ChemInform Abstract: Indirect Electrooxidation of Alcohols and Aldehydes by Using a Double Mediatory System Consisting of RuO4/RuO2 and Cl+/Cl‐ Redoxes in an Aqueous‐Organic Two‐Phase System.
Authors: TORII S. , INOKUCHI T. , SUGIURA T.
Published: May 2016

Das elektrolytisch regenerierbare doppelte Redoxsystem RuO4/RuO2‐Cl+/Cl′ wird zur Oxidation von Hydroxyverbindungen eingesetzt.
ChemInform Abstract: Electron Transfer Reactions. Reaction of Furanones and Bifurandiones with Potassium and Oxygen.
Authors: PANDEY B. , TIKARE R. K. , MUNEER M. , KAMAT P. V. , GEORGE M. V.
Published: May 2016

The furanones (I) are reduced with K to give the products (III)‐(V) in TH F, saturated with oxygen before work‐up.
ChemInform Abstract: Mercury in Organic Chemistry. Part 32. Bromination and Iodination of Allenic and Propargylic Organomercurials: A Convenient Synthesis of 3‐Halo‐1,2‐alkadienes.
Authors: LAROCK R. C. , CHOW M.‐S.
Published: May 2016

The title reactions proceed under rearrangement to give the alkynes (II) or (III) from (I) and the allenes (V) or (VI) from (IV).