bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Deuterium Isotope Cage Effects in the Dismutation of Alkoxyl Radicals.
Authors: MENDENHALL G. D. , QUINGA E. M. Y.
Published: May 2016

Decomposition of (R,R2CXON = )2 (R, = R2: ‐Ph; R, = R2: ‐p ‐ CIC6H4; R,: ‐Ph, R2: ‐CH3; X: ‐H or ‐D) in hydrocarbon solvents at 31‐75°C afforded R, RzCO in 6‐8% lower yield when X: ‐Dthan when X: ‐ H. This result is ascribed to cage escape of secondary alkoxyl radicals in competition with dismutation.
ChemInform Abstract: Rate Constants for the Reactions of Alkyl Radicals with 1,4‐Cyclohexadiene.
Authors: HAWARI J. A. , ENGEL P. S. , GRILLER D.
Published: May 2016

An EPR technique was used to show that simple alkyl radicals R· (R: Me, Et, tBu, CCl3, CH2=CH‐CH2, Ph‐CH2) readily abstract hydrogen from 1,4‐cyclohexadiene.
ChemInform Abstract: Arrhenius Parameters for the Hydrogen Abstraction from Ammonia by CF3 Radicals.
Authors: PASTERIS L. , STARICCO E. H.
Published: May 2016

The reaction of CF3 radicals with NH3 has been studied over a wide temperature range 298‐673 K, using the photolysis and the thermal decomposition of CF3I as the free radical source.
ChemInform Abstract: Estimations of OH Radical Rate Constants from H‐Atom Abstraction from C‐H and O‐H Bonds Over the Temperature Range 250‐1000 K.
Authors: ATKINSON R.
Published: May 2016

Rate constants for overall H‐atom abstraction by hydroxyl radicals from C‐Hand O‐Hbonds are estimated for alkanes, haloalkanes, aldehydes, ketones, ethers, alcohols, nitriles, and nitrates.
ChemInform Abstract: Polymer‐Supported Diaryl Selenoxide and Telluroxide as Mild and Selective Oxidizing Agents.
Authors: HU N. X. , ASO Y. , OTSUBO T. , OGURA F.
Published: May 2016

The lithiated polymer (I), prepared from partially brominated polystyrene, reacts with seleno‐ and tellurocyanates (II) to afford (III), from which the title compounds (IV) are obtained via the dibromides.
ChemInform Abstract: Generation and Reactions of 2‐Lithiobutadiene with Aldehydes.
Authors: BROWN P. A. , JENKINS P. R.
Published: May 2016

The hydrazone (II) undergoes the Shapiro reaction to give the lithiobutadiene (III) which is trapped with the aldehydes (IV) to give the 2‐substituted dienes (V) with high regioselectivity.
ChemInform Abstract: α,β‐Epoxy Sulfoxides as Useful Intermediates in Organic Synthesis. Part 4. A Novel Synthesis of α‐Acetoxy Ketones from α,β‐Epoxy Sulfoxides.
Authors: SATOH T. , MOTOHASHI S. , YAMAKAWA K.
Published: May 2016

Starting from the a,ß‐epoxy sulfides (I) or (III), which are obtained from I‐chloroalkyl phenyl sulfoxides and ketones ar aldehydes according to well known procedures, the synthetically useful α‐acetoxy ketones (II) or (IV) and (V) are prepared.
ChemInform Abstract: Studies of Reactions of Amines with Sulfur Trioxide. Part 7. Preparation of Arylimidobis(sulfates).
Authors: KANETANI F.
Published: May 2016

The aromatic amines, on reaction with the 2‐methylpyridine/SO3 complex formed in situ, are converted to the title compounds (II) in good yields.
ChemInform Abstract: Enantioselective Synthesis of Homoallylic Alcohols from Chiral Allylic Tin(IV) (+)‐Diethyl Tartrate Complexes and Aldehydes.
Authors: BOLDRINI G. P. , TAGLIAVINI E. , TROMBINI C. , UMANI‐RONCHI A.
Published: May 2016

Mit (+)‐Diethyltartrat (I) als chiralem Liganden in den aus Allylbromiden (II) erzeugten Zwischenstufen (III) gelingt die Synthese von optisch aktiven Homoallylalkoholen (IV).
ChemInform Abstract: A Versatile Synthesis of 1‐Aryl‐2‐nitro‐3‐(3,4,5‐trimethoxyphenyl)propenes as Precursors of Novel Mescaline Derivatives.
Authors: DAUZONNE D. , ROYER R.
Published: May 2016

Durch Kondensation des Trimethoxy‐conitroethylbenzols (I) mit den aromatischen Aldehyden (II) werden neue Vorstufen (III) von Mescalinanalogen hergestellt.
ChemInform Abstract: Regioselective Alkylation of 3‐Substituted 3‐Sulfolenes.
Authors: TAKAYAMA H. , SUZUKI H. , NOMOTO T. , YAMADA S.
Published: May 2016

Regioselective Alkylation of 3‐Substituted 3‐SuIfoIenes.
ChemInform Abstract: 1,3‐Diphenylthieno[2,3‐c]furan. A New Heterocyclic System.
Authors: FRIEDRICHSEN W. , SCHOENING A. +
Published: May 2016

Die im Titel genannte Verbindung (IV) wird ausgehend vom Oxazolin (I) nach der im Schema angegebenen Reaktionssequenz hergestellt.
ChemInform Abstract: Dimerization of N‐Vinyl Pyrroles in the Presence of Brönstedt and Lewis Acids.
Authors: MOROZOVA L. V. , MIKHALEVA A. I. , SIGALOV M. V.
Published: May 2016

The N‐vinyl pyrroles (I) are dimerized to the products (II) in the presence of catalytic amounts of Brgansted or Lewis acids.
ChemInform Abstract: Oxazolidines. Part 1. Base Catalyzed Disproportionation of Cyclohexanspiro‐2‐oxazolidines. A Method for Preparation of N‐Substituted 4,5,6,7‐Tetrahydroindoles.
Authors: KUKHAREV B. F. , STANKEVICH V. K. , KUKHAREVA V. A.
Published: May 2016

Die Cyclohexanspirooxazolidine (I) disproportionieren beim Erhitzen mit Kaliumhydroxid oder Natriummethylat zu Tetrahydroindolen (II), Cyclohexanolen (III) und Ethanolaminen (IV).
ChemInform Abstract: A New Synthesis of 5‐Alkyl‐3‐aryl‐4‐oxazolin‐2‐ones.
Authors: SATO K. , KINOTO T. , SUGAI S.
Published: May 2016

Die (N‐Aryl‐N‐hydroxy)‐acylacetamide (I) reagieren mit p‐Nitrobenzolsulfonylchlorid in Gegenwart von Triethylamin zu den Oxazolin‐2‐onen (II).
ChemInform Abstract: Oxazolidines. Part 2. Synthesis of 2‐Methyloxazolidines by Cyclization of Vinyl Ethers of 1,2‐Aminoalcohols.
Authors: KUKHAREV B. F. , STANKEVICH V. K. , KLIMENKO T. G. , TERENT'EVA V. P. , KUKHAREVA V. A.
Published: May 2016

Die substituierten Aminoethyl‐vinyl‐ether (I) cyclisieren in Gegenwart von Quecksilberacetat zu 2‐Methyloxazolidinen (II).
ChemInform Abstract: Isoxazole Derivatives as Centrally Acting Muscle Relaxants. Part 2.
Authors: TATEE T. , NARITA K. , KURASHIGE S. , ITO S. , MIYAZAKI H. , YAMANAKA H. , MIZUGAKI M. , SAKAMOTO T. , FUKUDA H.
Published: May 2016

Ausgehend von 3‐Phenyl‐5‐aminoisoxazol (I) werden die Isoxazolylalkanamide (V) hergestellt, die Aktivität als Anticonvulsiva und Muskelrelaxantien aufweisen, wobei zwischen den Enantiomeren deutliche Unterschiede bestehen.
ChemInform Abstract: Novel Rearrangement of 3‐Acyl‐5‐acylamino‐2,3‐dihydro‐1,3,4‐thiadiazole 1‐Oxides into 1,3,4‐Oxadiazoles.
Authors: KUBOTA S. , TOYOOKA K. , YAMAMOTO N. , KASAI T. , SHIBUYA M.
Published: May 2016

Die Thiadiazoloxide (I) lagern sich in siedendem Dimethylsulfoxid in die Oxadiazole (II) um.
ChemInform Abstract: Studies of Some Novel Pyrylium Salts.
Authors: KATRITZKY A. R. , SENGUPTA S. , DINCULESCU A.
Published: May 2016

Benza1acetophenon(I) und Brenztraubensäureester (II) werden zu dem Pyryliumsalz (III) kondensiert.
ChemInform Abstract: Synthesis of 4‐Methyl‐2,3,4‐trichlorotetrahydropyran and Some Peculiarities of Stereochemistry for Nucleophilic Substitution of α‐Chlorine.
Authors: GEVORKYAN A. A. , ARAKELYAN A. S. , DVORYANCHIKOV A. I.
Published: May 2016

Aus den Dihydro‐ und Tetrahydropyranen (I), (II) und (IV) wird durch Chlorierung das Trichlorid (III) erhalten.
ChemInform Abstract: Synthesis of Asymmetric 4‐Aryl‐1,4‐dihydro‐2,6‐dimethyl‐3,5‐pyridinedicarboxylates with Vasodilating and Antihypertensive Activities.
Authors: OHNO S. , KOMATSU O. , MIZUKOSHI K. , ICHIHARA K. , NAKAMURA Y. , MORISHIMA T. , SUMITA K.
Published: May 2016

Die unsymmetrisch substituierten 4‐Aryl‐dihydropyridindicarboxylate (III) und (V) werden durch Umsetzung der Benzylidenacetessigsäureester (I) mit den Aminocrotonsäureestern (II) bzw. (IV) hergestellt.
ChemInform Abstract: Imino‐Bridged Heterocycles. Part 5. Synthesis of 6,11‐Dimethyl‐11H‐benzo[5,6]cyclohepta[1,2‐c]pyridin‐6,11‐imine by a Regiospecific Amide to Olefin Cyclization.
Authors: BRENNER D. G. , HALCZENKO W. , SHEPARD K. L.
Published: May 2016

Das aus (I) mit Methylmagnesiumbromid erhaltene Carbinol (II) reagiert mit Anilin nur zur Methylenverbindung (III).
ChemInform Abstract: Synthesis of 2,3,4,4a,9,9a‐Hexahydro‐3,9‐methano‐1H‐indeno[2,1‐c]pyridine and Some N‐Substituted Derivatives.
Authors: BELANGER P. C. , WILLIAMS H. W. R.
Published: May 2016

Synthesis of 2,3,4,4a,9,9a‐Hexahydro‐3,9‐methano‐1H‐indeno[2,l‐clpyridine and Some N‐Substituted Derivatives.
ChemInform Abstract: Synthesis and Biological Activities of 5‐Deaza Analogues of Aminopterin and Folic Acid.
Authors: SU T.‐L. , HUANG J.‐T. , BURCHENAL J. H. , WATANABE K. A. , FOX J. J.
Published: May 2016

Die Synthese von 5‐Deazaaminopterin (IIIa) und seines 5‐Methyl‐Analogons (IIIb) sowie der 5‐Deaza‐5‐methylfolsäure (IIIc) aus den geschützten 5‐Cyanouracilen (I) wird beschrieben.
ChemInform Abstract: A Short Synthesis of Praziquantel.
Authors: YUSTE F. , PALLAS Y. , BARRIOS H. , ORTIZ B. , SANCHEZ‐OBREGON R.
Published: May 2016

N‐Benzyl‐iminodiessigsäure (I) liefert mit Phenethylamin (II) das Imid (III), das mit Boranat zu (IV) reduziert und anschlie‐ βend zu (V) cyclisiert wird.
ChemInform Abstract: A New Product from the Decomposition of 2,4‐Dihydroxy‐7‐methoxy‐1,4‐ benzoxazin‐3‐one (DIMBOA), a Hydroxamic Acid from Cereals.
Authors: BRAVO H. R. , NIEMEYER H. M.
Published: May 2016

Bei der Zersetzung der im Titel genannten Verbindung (I) (DIMBOA) in Dioxan entsteht neben dem Benzoxazolinon (II) (MBOA) das zu (I) isomere Hydroxylamin‐Derivat (III).
ChemInform Abstract: Reaction of 2,3,6‐Trimethylpyrimidin‐4‐one and Dimethyl Acetylenedicarboxylate.
Authors: YAMAZAKI T. , TANII J. , HIRAI Y. , MATOBA K.
Published: May 2016

Die Addition des Acetylendicarbonsäureesters (II) an das Pyrimidon (I) liefert die Heterocyclen (III) und (IV).
ChemInform Abstract: Polycyclic N‐Hetero Compounds. Part 21. Synthesis of Novel Ring System, 4H‐Imidazo[1′,2′ :1,6]pyrimido[5,4‐d][1]benzazepine as B‐Homo‐ 6,11,13,15‐tetraazasteroidal Analogue.
Authors: HIROTA T. , FUKUMOTO M. , SASAKI K. , NAMBA T. , HAYAKAWA S.
Published: May 2016

Auf dem angegebenen Reaktionsweg werden die Benzazepine (IX) hergestellt.
ChemInform Abstract: Synthesis of Novel Fused β‐Lactams by Intramolecular 1,3‐Dipolar Cycloadditions.
Authors: BRANCH C. L. , PEARSON M. J.
Published: May 2016

Reaction of the acetoxyazetidin (I) with the sodium salt (II) [prepared by treatment of ethyl propiolate with NaHS] gives the trans‐ and cis‐compounds (IIIa) and (IVa), which are individually converted to the azides (IIIc) and (IVc), each being a l :1 diastereomeric mixture.
ChemInform Abstract: Synthesis of (1,6αβ,10αβ)‐Decahydro‐5‐methyl‐1‐phenyl‐1H‐2,5‐benzoxacine.
Authors: MUSSER J. H. , VON VOIGHTLANDER P. F. , SZMUSZKOVICZ J.
Published: May 2016

Aus der Ketocarbonsäure (I) werden auf dem beschriebenen Wege die beiden epimeren Benzoxacine (VIII) und (IX) hergestellt, und ihre analgetische Wirkung wird untersucht.
ChemInform Abstract: Unsaturated Alkoxysilanols.
Authors: MUSTAFAEV R. M. , KULIEVA L. G. , SADYKH‐ZADE S. I. , MUSTAFAEV S. N.
Published: May 2016

Die Silane (I) reagieren mit dem Etheralkohol (II) in Gegenwart von Hexachloroplatinsäure zu den Silanolen (III).
ChemInform Abstract: Reaction of Triethylphosphite with Oximes of α,β‐Unsaturated Aldehydes and α‐Di‐ carbonyl Compounds.
Authors: OSIPOVA M. P. , VOLKOVA R. V. , SPIRIDONOV E. A.
Published: May 2016

Das Oxim (I) wird durch Triethylphosphit (II) zum Nitril (III) dehydratisiert.
ChemInform Abstract: 2‐Halogen‐1,2λ5‐oxaphosphetanes.
Authors: KOLODYAZHNYI O. I.
Published: May 2016

Die Phosphorylide (I) reagieren mit Trifluormethylketonen (II) in einer [2 + 2]‐Cycloaddition zu den Oxaphosphetanen (III).
ChemInform Abstract: Thermolysis of Pentaphenylphosphoran in Presence of Carbon Dioxide.
Authors: SHARUTIN V. V. , BYCHKOV V. T. , LEBEDEV V. A. , BOCHKOVA R. I. , KUZ'MIN E. A.
Published: May 2016

Die Thermolyse von Pentaphenylphosphoran verläuft über die Zwischenstufe eines nicht isolierten Betains, das mit Kohlendioxid bei Normaldruck zum Oxaphospholan‐ Derivat (II) als Hauptprodukt reagiert.
ChemInform Abstract: Reactions of 3‐Aryl‐1‐(tetrazol‐5′‐yl)triazenes with Some Electrophiles: Mercury Derivatives and Fragmentations: A New Route to Aryl Diazocyanides.
Authors: BUTLER R. N. , SHELLY D. P.
Published: May 2016

Treatment of the triazenes (Ia) with lead tetra‐acetate results in fragmentation to the trans‐aryl diazocyanides (II).
ChemInform Abstract: Preparation and Crystal Structure Analysis of Bis(L‐arginine)Cu(II)(acetate)2trihydrate.
Authors: LEAL S. DUARTE M. T. , DE C. T. CARRONDO M. A. A. F. , SIMOES GONCALVES M. L. S. , HURSTHOUSE M. B. , WALKER N. P. C. , DAWES H. M.
Published: May 2016

The title compound is prepared by l 22 molar reaction of Cu(II) acetate with L‐arginine in EtOH/HzO.
ChemInform Abstract: Kinetics and Mechanism of the Reaction Between Dimethyl Sulphoxide and Dichloro(pyridine‐2‐carboxylato)platinate(II) Anion and the cis‐trans Isomerization of the Products. X‐Ray Crystal Structure of trans‐(O,S)‐Chloro(dimethyl sulphoxide)(pyridine‐2‐carboxylato)platinum(II).
Authors: ANNIBALE G. , CATTALINI L. , CANOVESE L. , PITTERI B. , TIRIPICCHIO A. , TIRIPICCHIO CAMELLINI M. , TOBE M. L.
Published: May 2016

The reaction between the title complex anion (I) and Me2SO gives a mixture of the two isomeric forms (II) and (III) of the Chloro‐ 160 DMSO derivative which undergo a subsequent slow sulphoxide‐catalysed isomerization to form an equilibrium mixture.
ChemInform Abstract: Retinoids and Related Compounds. Part 9. Synthesis and Spectral Characteristics of Retinal Analogues Involving the 11‐cis‐Locked‐cyclopentatrienylidene Structure.
Authors: ITO M. , KODAMA A. , HIROSHIMA T. , TSUKIDA K.
Published: May 2016

The l l‐cis‐1ocked‐cyclopentatrienylideneretinals (IV)‐(VI) ′are prepared, Starting from β‐ionyl sulfone (I).
ChemInform Abstract: Novel Approach to α‐Amino Acids.
Authors: TAILLADES J. , BRUGIDOU J. , PASCAL R. , SOLA R. , MION L. , COMMEYRAS A.
Published: May 2016

On the basis of a kinetic and thermodynamic study a catalytic procedure has been developed which allows the highly efficient hydration of an intermediate α‐aminonitrile (starting from R‐ CHO, HCN, NH3) to give the α‐amino amide which is subsequently converted to the desired α‐amino acid.
ChemInform Abstract: Synthesis of L‐2‐Amino‐4‐hexynoic Acid and Derivatives.
Authors: SASAKI N. A. , MORGAT J.‐L. , POTIER P.
Published: May 2016

Ausgehend vom 1‐Chlor‐2‐butin werden, wie im Formelschema skizziert, L‐2‐Amino‐4‐hexinsäure (V) und ihre Derivate (VI) hergestellt.
ChemInform Abstract: The Enantiomerically Pure Bicyclic β‐Lactams Derived from Sugars.
Authors: CHMIELEWSKI M. , KALUZA Z. , BELZECKI C. , SALANSKI P. , JURCZAK J.
Published: May 2016

Trichloracetylisocyanat (II) reagiert mit den Glycalen (I) unter Druck zu einem Gemisch der β‐Lactame (IV) und (V) sowie der [4 + 2]‐Addukte (III).
ChemInform Abstract: Synthesis of Pyrrolizidine Alkaloids, (±)‐Trachelanthamidine, (±)‐Isoretronecanol and (±)‐Supinidine, by Means of an Intramolecular Carbenoid Displacement (ICD) Reaction.
Authors: KAMETANI T. , YUKAWA H. , HONDA T.
Published: May 2016

Der aus Succinimid (II) und dem Brombuttersäureester (I) zugängliche Phenylthioester (III) liefert den Diazoester (IV), der in einer Carbenoid‐Reaktion die bicyclischen Ester (V) als untrennbares Gemisch ergibt.
ChemInform Abstract: Synthesis of Terpenoidal Alkaloid, Fabianine.
Authors: SUGITA T. , KOYAMA J. , TAGAHARA K. , SUZUTA Y.
Published: May 2016

Es wird gezeigt, daß das Alkaloid Fabianin (I) ein Diastereomerengemisch dargestellt.
ChemInform Abstract: Isolation of Some New 3,6‐Dialkyl‐1,4‐dihydroxypiperazine‐2,5‐diones from Aspergillus terreus.
Authors: GARSON M. J. , JENKINS S. M. , STAUNTON J. , CHALONER P. A.
Published: May 2016

Thc title compounds (Ia)‐(Ic), terramide A, Band C, are isolated from Aspergillus terreus Thom.
ChemInform Abstract: Synthesis and Structure Elucidation of Merucathine and Pseudomerucathine.
Authors: WOLF J.‐P. , PFANDER H.
Published: May 2016

L‐Alanine (I) is converted to the ester (S)‐(V) via the carbamate (III).
ChemInform Abstract: Preparation of SiO2‐TiO2‐ZrO2 Glasses from Alkoxides.
Authors: BEIER W. , GOEKTAS A. A. + , FRISCHAT G. H.
Published: May 2016

Relatively large compact glass samples of 65 SiO2 ‐ 20 TiO2‐ 15 ZrO2 and other binary and ternary compositions have been prepared by the alkoxide gel method.
ChemInform Abstract: On the Role of d Orbitals in SF6.
Authors: REED A. E. , WEINHOLD F.
Published: May 2016

The role of d orbitals in the bonding of SP6 has been studied through natural population and natural hybrid orbital analysis of ab initio SCF wave functions.
ChemInform Abstract: Pauli Forces and the Valence Shell Electron Pair Repulsion Model for H2O and NH3.
Authors: EDMISTON C. , BARTLESON J. , JARVIE J.
Published: May 2016

It is shown that the two effects of antisymmetry within the correct SCF wavefunctions cannot "bend" linear H2O or planar NH3 without classical electronic coulombic repulsion between LMO "charge clouds" in the SCF energy expression.
ChemInform Abstract: Molecular PO2Cl: Matrix IR Investigations and ab initio SCF Calculations.
Authors: AHLRICHS R. , EHRHARDT C. , LAKENBRINK M. , SCHUNCK S. , SCHNOECKEL H. +
Published: May 2016

PO2Cl has been produced in a photochemical reaction between O3 and POCl in solid Ar as well as in a high‐temp.
ChemInform Abstract: Electronic Excitation and n‐Electron Interaction in Borazine.
Authors: DOERING J. P. , GEDANKEN A. , HITCHCOCK A. P. , FISCHER P. , MOORE J. , OLTHOFF J. K. , TOSSELL J. , RAGHAVACHARI K. , ROBIN M. B.
Published: May 2016

The extent of n‐electron interaction in ‐borazine, B3N3H6 , has been investigated by comparing its spectral properties (valence‐shell and inner‐shell electron energy loss spectra, MCD, photoelectron and electron transmission spectra) with those of benzene and cyclohexane.
ChemInform Abstract: 77Se NMR and Raman Study of SxSe4 ‐x2+ Cations and Crystal Structure of (S3,0Se1,0)2(Sb4F7)(SbF6)3 Containing a Disordered Mixture of SxSe4 ‐x2+ Cations.
Authors: COLLINS M. J. , GILLESPIE R. J. , SAWYER J. F. , SCHROBILGEN G. J.
Published: May 2016

The first examples of SxSe4‐x2+ (x: 0‐3) Cations have been prepared by direct oxidation of the elements with AsF5 and by scrambling of S42+ and Se42+ in SO2 solution.
ChemInform Abstract: Rubidium Diarsasilicate(IV) Rb2SiAs2, a Derivative of the SiS2 Structure Type.
Authors: WOLF J. , WEBER D. , VON SCHNERING H. G.
Published: May 2016

RbzSiAsz, which has been found as a byproduct in the course of RbAs synthesis, can be directly synthesized from the elements within 5 h at 925 K. The transparent red needle‐shaped crystals belong to the space group Ibam with Z=4.
ChemInform Abstract: Low‐Temperature CO Adsorption and State of Molybdena Supported on Alumina, Titania, Ceria and Zirconia.
Authors: ZAKI M. I. , VIELHABER B. , KNOEZINGER H. +
Published: May 2016

It is shown that the CO stretching frequency is sensitive to the oxidation state of the coordination sites.
ChemInform Abstract: Synthesis of Semiconductor Ceramics of BaTiO3 by Doping from the Liquid Phase.
Authors: BELOVA L. A. , GOL'TSOV YU. I. , PROKOPALO O. I. , RAEVSKII I. P.
Published: May 2016

The concentration of modifying additives, which bring about semiconductor properties in BaTiO3 can be enhanced up to 10% by alloy formation in the liquid phase.
ChemInform Abstract: Electrical Properties of Samarium Sulfide Thin Film.
Authors: IMANAKA N. , ADACHI G. , WANG H. F. , MATSUBAYASHI S. , SHIOKAWA J.
Published: May 2016

Samarium sulfide thin films have been prepared by sulfurizing a Sm‐deposited film at 1 173 K in a stream of HZS and the sulfur pressure dependence of their electrical conductivities has been investigated.
ChemInform Abstract: Theory and Experimental Characterization of Linear Gold Microelectrodes with Submicrometer Thickness.
Authors: BOND A. M. , HENDERSON T. L. E. , THORMANN W.
Published: May 2016

The fabrication of linear gold microelectrodes by thin‐ film techniques is described.
ChemInform Abstract: Redox Chemistry of Hydrogen Peroxide in Anhydrous Acetonitrile has been studied by linear‐sweep voltammetry and the rotated‐ring‐disk technique at glassy‐carbon (GC) or Pt electrodes.
Authors: COFRE P. , SAWYER D. T.
Published: May 2016

[has been studied by linear‐sweep voltammetry and the rotated‐ring‐disk technique at glassy‐carbon (GC) or Pt electrodes.
ChemInform Abstract: The Corrosion of Carbon Black Anodes in Alkaline Electrolyte. Part 2. Acetylene Black and the Effect of Oxygen Evolution Catalysts on Corrosion.
Authors: STAUD N. , ROSS P. N.
Published: May 2016

It is shown that the oxygen evolution Catalysts Fe2O3, Cr2O3, NiO, Co3O4, and Ru also catalyze the Corrosion processes of acetylene black during O2 evolution in alkaline electrolytes, resulting in Corrosion rates accelerated by factors of 3‐ 14. The mechanism of this catalytic effect is unclear.
ChemInform Abstract: Corrosion Behavior of Laser‐Surface Melted and Laser‐Surface Alloyed Steels.
Authors: MCCAFFERTY E. , MOORE P. G.
Published: May 2016

Laser‐surface alloying of Cr into 1018 steel produces Fe‐Cr surface alloys of 100 μm thickness containing 5‐80% Cr.
ChemInform Abstract: Influence of Molybdenum on the Pitting Corrosion of Aluminum Films.
Authors: MOSHIER W. C. , DAVIS G. D. , AHEARN J. S. , HOUGH H. F.
Published: May 2016

Alloying Mo with Al in solid solution dramatically improves the material′s resistance to localized attack by shifting the anodic polarization curve by 400 mV in the noble direction.
ChemInform Abstract: Catalytic Reduction of CO with Hydrogen Sulfide. Part 3. Study of Adsorption of O2, CO and CO Coadsorbed with H2S on Anatase and Rutile Using Auger Electron Spectroscopy and Temperature‐Programmed Desorption.
Authors: BECK D. D. , WHITE J. M. , RATCLIFFE C. T.
Published: May 2016

For both O2 and CO TPD, a single TPD state is observed on anatase while two CO and three O2 states are observed on rutile.
ChemInform Abstract: Reaction of Rhodium Species with Carbon Monoxide on Freshly Prepared Rh‐Y Zeolite and RhCl3/SiO2 Catalysts Revealed by the 13C NMR Technique.
Authors: TAKAHASHI N. , MIURA K. , FUKUI H.
Published: May 2016

The 13C NMR spectra of CO adsorbed on the Rh‐Y zeolite and the RhCI3/SiO catalysts reflect the difference in the nature of the CO‐ Rh species formed by the reaction of Rh(III) with CO on each support.
ChemInform Abstract: Preparation and Structure of (W2(CO)10Se4)(AsF6)2 and Related Compounds.
Authors: COLLINS M. J. , GILLESPIE R. J. , KOLIS J. W. , SAWYER J. F.
Published: May 2016

The compounds (IIIa)+(IIIb) have been prepared as shown in the scheme.
ChemInform Abstract: Poly(ethylene oxide)‐Sodium Polyiodide Conductors: Characterization, Electrical Conductivity, and Photoresponse.
Authors: HARDY L. C. , SHRIVER D. F.
Published: May 2016

The complexes of poly(ethylene oxide) with sodium polyiodide are electronic conductors.
ChemInform Abstract: Magnetic Susceptibility of Paraquat Hexabromodicuprate(II): Comparison of the Magnetochemistry of Copper(II) Chloride and Copper(II) Bromide Salts.
Authors: WILLETT R. D.
Published: May 2016

The magnetic properties of Copper(II) halide salts are influenced greatly by the chemistry of the halide ion.
ChemInform Abstract: Nitrous Oxide in Gas‐Phase Ion‐Molecule Chemistry: A Versatile Reagent for the Determination of Carbanion Structure.
Authors: KASS S. R. , FILLEY J. , VAN DOREN J. M. , DEPUY C. H.
Published: May 2016

The reactions of N2O with various anions in the gas phase are highly characteristic of the ion′s structure.
ChemInform Abstract: The C3H5‐ Isomers. Experimental and Theoretical Studies of Tautomeric Propenyl Ions and the Cyclopropyl Anion in the Gas Phase.
Authors: FROELICHER S. W. , FREISER B. S. , SQUIRES R. R.
Published: May 2016

The vinyl anion (IV) as well as the isomeric C3H5‐ anions (V)‐(VIII) are generated as shown for (IV) in the gas phase by collision‐induced dissociation (CID) of the corresponding carboxylate anions using a Fourier transform mass spectrometer.
ChemInform Abstract: Chemistry of Boron. Part 171. Crystal and Molecular Structure of 2,4‐Bis(2,2,6,6‐tetramethylpiperidino)‐1,3,2,4‐dichalcogendiboretanes.
Authors: HANECKER E. , NOETH H. + , WIETELMANN U.
Published: May 2016

The molecular structures of the dioxa‐ and diselenadiboretanes (Ia) and (Ib) are determined by X‐ray analysis.
ChemInform Abstract: γ‐Silicon Stabilization of Carbonium Ions.
Authors: DAVIDSON E. R. , SHINER V. J. JUN.
Published: May 2016

Calculations of stabilization energies of various model conformations are carried out with various basis sets.
ChemInform Abstract: Redox Properties of Metalloporphyrin Dimers.
Authors: COLLMAN J. P. , PRODOLLIET J. W. , LEIDNER C. R.
Published: May 2016

Cyclic and rotated disk voltammetry of the paramagnetic dimers (I) in DME and CHZCIZ exhibit four oxidations and two reductions for each meta1(II)compound which are all chemically and electrochemically reversible on the voltammetric time scale.
ChemInform Abstract: Stereoselective Synthesis of Alcohols. Part 23. Transfer of Chirality on Addition of (α‐Chloroallyl)boronates to Aldehydes.
Authors: HOFFMANN R. W. , LANDMANN B.
Published: May 2016

The (α‐chloroallyl)boronate (IIa) and its enantiomer (IIb) are prepared Starting from the readily available boronates (I) or (IV), respectively.
ChemInform Abstract: Selective Cross‐Coupling Reaction of Aryl and Styryl Halides with Butyl Zinc Chloride in the Presence of Homogeneous Nickel Catalyst.
Authors: LEBEDEV S. A. , SOROKINA R. S. , BERESTOVA S. S. , PETROV E. S. , BELETSKAYA I. P.
Published: May 2016

Die Substitution des Halogens in den Aryl‐ und Styrylhalogeniden (IV) gegen den Butylrest gelingt mit Butylzinkchlorid (III) in Gegenwart des Nickelkatalysators (V).
ChemInform Abstract: Reaction of α‐Alkoxyacroleins with Thiols.
Authors: KEIKO N. A. , STEPANOVA L. G. , KALIKHMAN I. D. , VORONKOV M. G.
Published: May 2016

Butylmercaptan (Ia) wird unter radikalischen Bedingungen an die β‐Position der ungesättigten Aldehyde (II) addiert.
ChemInform Abstract: A New and Versatile Method for Iodofunctionalization of 1,3‐Dienes.
Authors: BARLUENGA J. , GONZALEZ J. M. , CAMPOS P. J. , ASENSIO G.
Published: May 2016

Die Butadiene (I) reagieren mit dem Iod‐tetra?uoroborat‐Komplex (II) in Gegenwart von Nucleophilen (III) zu den 1,2‐Addukten (IV)‐(VI).
ChemInform Abstract: Sequential Intramolecular Diels‐Alder Reaction and Intermolecular 1,3‐Dipolar Cycloaddition Reaction: One‐Pot [6.6.5]Annelation Reaction Leading to the Formation of Polyaza‐Steroid Type Skeletons.
Authors: TSUGE O. , UENO K. , KANEMASA S.
Published: May 2016

Die Furylzimtsäureester (I) cyclisieren thermisch reversibel zu den Tetracyclen (II).
ChemInform Abstract: Intramolecular Dipolar Cycloaddition Reactions of C‐Aryl Oxaziridines.
Authors: PADWA A. , KOEHLER K. F.
Published: May 2016

Die Allyloxyphenyloxaziridine (I) cyclisieren nach Ringöffnung zu den Nitronen (II) intramolekular zu den Benzopyranooxazolen (III).
ChemInform Abstract: [2 + 3]‐Cycloaddition of N‐Hexafluoroisopropylidenepolyfluoroacylamides with Oxirane and Methylthiirane.
Authors: KRYUKOV L. N. , KRYUKOVA L. YU. , KOLOMIETS A. F.
Published: May 2016

Durch Reaktion der Amide (I) mit Oxiran (IIa) bzw. Methylthiiran (IIb) entstehen die Cycloadditionsprodukte (III).
ChemInform Abstract: On the Chemistry of Binding Sites. Part 6. Suitability of Various Aldehydes and Keto‐ nes as Binding Sites for Monoalcohols.
Authors: WULFF G. , WOLF G.
Published: May 2016

Suitable binding sites in chemoselective affinity chromatography should possess a favorable state and a very fast adjustment of the equilibrium with Substrates.
ChemInform Abstract: Auxiliary‐Directed Diastereoselectivity in the Claisen Rearrangement of Glycolate Esters.
Authors: KALLMERTEN J. , GOULD T. J.
Published: May 2016

Durch ‐Claisen‐Umlagerung der ungesättigten Glykolsäureester (I) in der (R)‐ bzw. (S)‐Form, Chromatographie auf der Esterstufe sowie anschließende Verseifung und Hydrierung entstehen diastereoselektiv die chiralen Säuren (II) bzw. (IV), deren Konfiguration durch unabhängige Synthese bestätigt wird.
ChemInform Abstract: Site‐Selective Photochemical Ene Reaction of 2‐Methylene‐1,2‐dihydronaphthalene.
Authors: SUGIMOTO A. , SAKAMOTO S. , SUYAMA K. , YONEDA S.
Published: May 2016

The photolysis of the anilinoethyl‐naphthalene (I) affords the title compound (II) as an intermediate and the imine (III).
ChemInform Abstract: Photoarylation. Part 5. Photoreaction of 4‐Iodopyridine with Heteroaromatics.
Authors: SEKI K. , OHKURA K. , TERASHIMA M. , KANAOKA Y.
Published: May 2016

Die Photoreaktion von 4‐Iodpyridin (III) mit den Heteroaromaten (II) oder (IV) liefert die Heteroarylpyridine (I) bzw. (V).
ChemInform Abstract: Photochemical Formation and Some Chemical Properties of 2,6‐Diazabicyclo[2.2.0]hexane‐3,5‐diones from Pyrimidinium‐4‐olates. A New Approach to Novel Bis(β‐lactams).
Authors: GOTTHARDT H. , SCHENK K.‐H.
Published: May 2016

Die mesomeren Pyrimidiniumverbindungen (I), (II) bzw. die bicyclischen Pyrimidiniumverbindungen (IV) ergeben bei der Photolyse die Bis‐ β‐lactame (III) bzw. (V), von denen (IIIa) mit Methanol oder thermisch zu den im Formelschema aufgeführten Verbindungen gespalten werden kann.
ChemInform Abstract: A Novel Photochemical Rearrangement of Allenic Esters.
Authors: TRIFONOV L. S. , ORAHOVATS A. S. , PREWO R. , BIERI J. H. , HEIMGARTNER H.
Published: May 2016

Die Allenester (Ia)‐(Ic) ergeben bei Belichtung die Cyclobutenone (IIa)‐ (IIc).
ChemInform Abstract: Radiation Chemical Production and Lifetimes of Trialkoxymethyl Carbocations in Aqueous Solution.
Authors: STEENKEN S. , BUSCHEK J. , MCCLELLAND R. A.
Published: May 2016

The trialkoxy radicals (II) are produced in aqueous solution by Habstraction from the trialkoxymethanes (I).
ChemInform Abstract: Functionally Substituted Vinyl Carbanions. Part 29. Reaction of a β‐Lithiated Acrylate with Oxetanes as Electrophiles.
Authors: BARUA N. C. , SCHMIDT R. R.
Published: May 2016

The dilithiated species of the acid (IV) reacts with the Oxetanes (I)‐(III) to give the products (V)‐(VII) (no yields given).
ChemInform Abstract: Dehydrodimerization of Imines via α‐Bromoimines Using Lithium Diisopropylamide.
Authors: DE KIMPE N. , YAO Z.‐P. , SCHAMP N.
Published: May 2016

Bei der Behandlung mit LDA in THF werden aus den Brom‐iminen (I) die Dimeren (II) hergestellt.
ChemInform Abstract: Esters of Fluorinated α‐Ketoacids in the Reaction with Amines.
Authors: SALOUTIN V. I. , PITERSKIKH I. A. , PASHKEVICH K. I.
Published: May 2016

Methylamin addiert sich an die Carbonylgruppe des Ketoesters (I) und führt zum Amid (II), das auch über das Hydrat (III) erhalten werden kann.
ChemInform Abstract: Versatile Synthesis of Cyclopropanecarboxylic Acid Derivatives by the Ni(CO)4‐Induced Reductive Carbonylation Reaction of gem‐Dibromocyclopropanes.
Authors: HIRAO T. , HARANO Y. , YAMANA Y. , HAMADA Y. , NAGATA S. , AGAWA T.
Published: May 2016

Reductive Carbonylation of the gem‐dibromocyclopropanes (I) is achieved by treatment with tetracarbonylnickel (IV) in the presence of the amines (II), the alcohols (V), imidazole (VII) and the thiols (IX) leading to the cyclopropanecarboxylic acid derivatives shown in the scheme.
ChemInform Abstract: Ring Expansion of Cyclenones: An Unusual Regioselectivity.
Authors: KRIEF A. , LABOUREUR J. L.
Published: May 2016

Durch Umwandlung der Cycloalkenone (I) in β‐Hydroxy‐selenide (III) und anschließende Ringerweiterung erhält man Gemische homologer Cycloalkenone (IV) und (V).
ChemInform Abstract: Synthesis of Di‐, Tetra‐ and Penta‐methyl‐heptalenes.
Authors: HAFNER K. , HOCK N. , KNAUP G. L. , MEINHARDT K.‐P.
Published: May 2016

Aus den Azulenen (I) erhält man mit Acetylendicarbonsäureester (II) die Einschiebungsaddukte (III), die zu den Diolen (IV) reduziert und weiter z.B. zu (V) chloriert werden.
ChemInform Abstract: Synthesis and Chemistry of Tetracyclo[8.2.2.22,5.26,9]‐1,5,9‐octadecatriene.
Authors: MCMURRY J. E. , HALEY G. J. , MATZ J. R. , CLARDY J. C. , VAN DUYNE G. , GLEITER R. , SCHAEFER W. + , WHITE D. H.
Published: May 2016

The key intermediate (VI) in the synthesis of the title compound (VII) is prepared from the monoacetal (I) by treatment with (II) and double Horner‐Emmons reaction to give (IV), which is transformed to (VI) via the mixture of cis/trans isomers (V) [in the conversion (V)‐(VI), deprotection has to precede the introduction of the double bonds to avoid isomerization].
ChemInform Abstract: Reaction of Schiff Bases Anions with α,ω‐Dihaloalkanes: Synthetic Route to Cyclic α‐Amino Acid Derivatives.
Authors: JOUCLA M. , EL GOUMZILI M.
Published: May 2016

Die Schiffschen Basen (I) reagieren mit den Dihalogenalkanen (II) in Gegenwart von Basen zu den Substitutionsprodukten (III)‐(V), mit 1,2‐Dihalogenethanen erhält man die Cyclopropane (VI).
ChemInform Abstract: Isomerization of Nitroolefins. Part 5. Preparation and Z ‐ E Isomerization of Substituted Nitrostyrenes.
Authors: BLAHA I. , LESETICKY L.
Published: May 2016

The title compounds (II) are prepared by two methods: by reaction of the styrenes (I) with nitryl halogenides with subsequent elimination of hydrogen halide or by condensation of benzaldehyde (III) or its Schiff base (V) with the substituted nitromethanes (IV).
ChemInform Abstract: Cyclophanes. Part 26. Functionalisation of the Ethano Bridges of [2.2]Paracyclophane.
Authors: HOPF H. , PSIORZ M.
Published: May 2016

[2.2]Paracyclophan‐1‐ene (III), available by an improved synthesis from [2.2]paracyclophane (I), serves as key compound for a wide range of bridge‐halogenated cyclophanes.
ChemInform Abstract: Tris(benzocyclobutadieno)benzene, the Triangular [4]Phenylene with a Completely Bond‐Fixed Cyclohexatriene Ring: Cobalt‐Catalyzed Synthesis from Hexaethynylbenzene and Thermal Ring Opening to 1,2:5,6:9,10‐Tribenzo‐3,4,7,8,11,12‐hexadehydro[12]annulene.
Authors: DIERCKS R. , VOLLHARDT K. P. C.
Published: May 2016

Two pathways, Starting from hexabromobenzene (I) or from the ethyne (VI), are chosen for the approach to the desired ring system (V).
ChemInform Abstract: A Synthetic Approach to Azetidinones from Nitriles and Lithiumtriethoxyaluminium Hydride.
Authors: ANDREOLI P. , CAINELLI G. , CONTENTO M. , GIACOMINI D. , MARTELLI G. , PANUNZIO M.
Published: May 2016

Aus den Nitrilen (I) entstehen mit Lithiumtriethoxyaluminiumhydrid (II) die Addukte (III), die mit Trimethylchlorsilan (IV) zu intermediär gebildeten Silyliminen (V) substituiert werden.
ChemInform Abstract: 6‐Substituted Indoles from o‐Halonitrobenzenes.
Authors: TISCHLER A. N. , LANZA T. J.
Published: May 2016

2‐Nitro‐halogenbenzole (I) reagieren mit Trimethylsilyl‐acetylen (I‐I) unter Pd‐Katalyse zu den Phenylacetylenen (III), die zu den Phenylacetaldehydacetalen (IV) führen.
ChemInform Abstract: A Novel Cyanohydrin Derived Dispirocycle.
Authors: DEANE C. C.
Published: May 2016

Aus dem Keton (I) wird der Tricyclus (II) hergestellt.
ChemInform Abstract: Formation of Bis(2‐oxazolidinone) Derivatives by Reactions of 2‐Methoxy‐3,3‐dimethyl‐2‐phenyloxirane or α‐Bromoisobutyrophenone with Carbon Dioxide and Aliphatic α,ω‐Diamines.
Authors: SAITO N. , HATAKEDA K. , ITO S. , ASANO T. , TODA T.
Published: May 2016

The diamines (II), on reaction with CO2 in methanol, form carbamates, which react with the oxirane (I) to give the mono‐oxazolidinone (IIIa) only if ethylenediamine is employed or mixtures of the mono‐oxazolidinones (IIIb) or (IIIc) and the bis‐oxazolidinones (IVb) or (IVc), which are separated by various methods.
ChemInform Abstract: New Methods and Reagents in Organic Synthesis. Part 59. Lithium Trimethylsilyldiazomethane: A New Synthon for the Preparation of 5‐Substituted 1,2,3‐Thiadiazoles.
Authors: AOYAMA T. , IWAMOTO Y. , SHIOIRI T.
Published: May 2016

Die Thiono‐ bzw. Dithiocarbonsäureester (I) cyclisieren mit dem lithiierten Silyldiazomethan (II) zu den Thiadiazolen (III), CS2 (IV) und (II) machen nach Alkylierung mit den Alkylhalogeniden (V) die Silylalkylthiothiadiazole (VI) zugänglich.
ChemInform Abstract: A Diastereoselective Synthesis of threo‐2‐(α‐Hydroxyalkyl)piperidines via Oxacarbamoyliminium Ion‐(Z)‐vinylsilane Cyclization.
Authors: KANO S. , YOKOMATSU T. , YUASA Y. , SHIBUYA S.
Published: May 2016

NaBH4 reduziert die Butenyloxazolidindione (I) zu den Hydroxyoxazolidinonen (II).
ChemInform Abstract: Furopyridines. Part 4. Unexpected Dimerization of 5‐Methyl‐4,5,6,7‐tetrahydrofuro[3,2‐c]‐ and 6‐Methyl‐4,5,6,7‐tetrahydrofuro[2,3‐c]pyridine by Acidic Hydrolysis.
Authors: SHIOTANI S. , MORITA H. , INOUE M. , ISHIDA T. , DOI M. , IN Y.
Published: May 2016

Das Methyl‐tetrahydrofuro‐pyridin (I) wird salzsauer in die Isomeren (II)‐(V) übergeführt, und die Anteile an den einzelnen Komponenten werden bestimmt.
ChemInform Abstract: Substances with Antineoplastic Activity. Part 91. Some Derivatives of 5‐(2‐Amino‐6‐hydroxy‐4‐oxo‐3,4‐dihydro‐5‐pyrimidinyl)pentanoic Acid.
Authors: KREPELKA J. , CERNY A. , KOTVA R. , VACHEK J. , MELKA M.
Published: May 2016

Compounds (II)‐(VI) are synthesized by known methods [(IIIe) and (IIIf)‐by heating of the ester (IIa) in butylamine for 4h at 60°C and in cyclohexylamine for 8h at 100‐110°C, respectively], and the ester‐hydrolysis products of (IIIb) (1 M NaOH; yield 90%) and (IV).
ChemInform Abstract: Preparation of 5‐Sulfonylpyrimidines from β‐Keto‐, β‐Cyano‐, and β‐Ethoxycarbonyl‐β‐sulfonylenamines.
Authors: TAKAHASHI M. , MAMIYA T. , WADAO M.
Published: May 2016

Aus den Methylensulfonen (I) erhält man mit Dimethylformamidacetal (II) die Dimethylaminomethylenverbindungen (III).
ChemInform Abstract: Stereo Structures and Absolute Configurations of Reaction Products of d,l‐1,3‐Dimethylthymine Epoxide with L‐Amino Acid Ethyl Esters.
Authors: HARAYAMA T. , YANADA R. , TAGA T. , MACHIDA K. , YONEDA F.
Published: May 2016

Dimethyl‐thymin‐epoxid (I) reagiert mit Aminosäureestern (II) zu Mischungen der Addukte (III)‐(VI), deren Zusammensetzung bestimmt wird.
ChemInform Abstract: Synthesis of 8‐Methylpyrido[2,3‐d:6,5‐d′]dipyrimidine‐2,4,6(3H,10H,7H)‐triones and Their Use in the Oxidation of Alcohols.
Authors: MORIYAMA K. , NAGAMATSU T. , YONEDA F.
Published: May 2016

Aus 6‐Chlor‐2‐methyl‐pyrimidin‐ 4(3H)‐on (I) und den Aminen (II) erhält man die Substitutionsprodukte (III), die mit den Aldehyden (IV) bzw. (V) zu den Tricyclen (VI) kondensiert werden können.
ChemInform Abstract: Purine Acyclic Nucleosides. Unambiguous Synthesis of Acyclovir via a Furazano[3,4‐d]pyrimidine.
Authors: KELLEY J. L. , SCHAEFFER H. J.
Published: May 2016

Aus dem Formamido‐furazano‐pyrimidin (I) erhält man nach N‐Alkylierung zu (IIIa) das sekundäre Amin (IIIb), aus dem das Adenin (IVa) zugänglich ist.
ChemInform Abstract: A Facile Synthesis of Novel 1‐Aryl‐1H‐pyrazolo[3,4‐b]quinoxalines.
Authors: KURASAWA Y. , YAMAZAKI K. , TAJIMA S. , OKAMOTO Y. , TAKADA A.
Published: May 2016

3‐Methyl‐ 2‐oxo‐1,2‐dihydro‐chinoxalin (I) reagiert mit den isomeren Chlorphenyldiazonium‐Salzen (II) zu den Hydrazonen (III), die mit Phosphoroxychlorid zu (IV) chloriert und dann mit DBU zu den Pyrazolo‐chinoxalinen (V) cyclisiert werden.
ChemInform Abstract: Cleavage of the Acetal Rings in Bis(methyl‐4,6‐O‐benzylidene‐α‐D‐glucopyranosido)‐18‐crown‐6.
Authors: BAKO P. , FENICHEL L. , TOEKE L. + , TOTH G.
Published: May 2016

Aus den chiralen Kronenethern (Ia) und (Ib) werden nach in der Kohlenhydratchemie bekannten Methoden eine Vielzahl von Derivaten wie (Ic) bis (II) dargestellt und charakterisiert.
ChemInform Abstract: Boron Compounds. Part 73. Novel Chelated Organodiboroxanes and Organoboroxins from Triorganoboroxins and Enolizable 1,3‐Diketones.
Authors: KOESTER R. + , ANGERMUND K. , SPORZYNSKI A. , SERWATOWSKI J.
Published: May 2016

Trialkylboroxins (I) react with enolizable 1,3‐diketones (II) at 20°C with fast degradation of the boroxin rings to give the monochelated diboroxanes (III).
ChemInform Abstract: Synthesis of Organosilicon o‐Substituted Phenols.
Authors: MAKAROVA L. I. , ZELENSKAYA M. V. , STRELKOVA T. V. , ZHDANOV A. A.
Published: May 2016

Die Siladioxane (I) und (IV) reagieren mit den Silanolen (II) unter Si‐O‐Spaltung zu den Phenolen (III) bzw. (V), die für die Synthese von Polymeren und Block‐Copolymeren und als modifi‐ zierende Zusätze für organische Polymere von Interesse sind.
ChemInform Abstract: Synthesis and 1H‐NMR‐Spcctra of Bifunctional Methylcyclohexa‐ (hepta,octa)siloxanes and Their Structural Isomers.
Authors: MAKAROVA N. N. , LAVRUKHIN B. D.
Published: May 2016

Die Kondensationsreaktion der (x,oL,w,w‐Tetrachlordimethylsiloxane (I) mit 1,5‐Dihydroxy‐hexamethyl‐trisiloxan (II) führt zu den Dichlormethylcyclosiloxanen (III) und ihren Strukturisomeren (IV).
ChemInform Abstract: Electrochemical and ESR Characterization of the Redox Behavior of Bis[tris(trimethylsilyl)methyl]diphosphene, (Me3Si)3C ‐ P = P ‐ C(SiMe3)3 (TsiP = PTsi).
Authors: CULCASI M. , GRONCHI G. , ESCUDIE J. , COURET C. , PUJOL L. , TORDO P.
Published: May 2016

The redox behavior of the title compound is investigated by cyclic voltammetry and pulse voltammetry at a platinum or a mercury‐coated platinum electrode.
ChemInform Abstract: Synthesis of S‐Carboran‐9‐yl Esters of Pentavalent Phosphorus Acids.
Authors: RYS E. G. , GODOVIKOV N. N. , KABACHNIK M. I.
Published: May 2016

Aus den Säurechloriden (I) und 9‐Mercapto‐o‐ oder ‐m‐carboran (II) werden die entsprechenden Thioester (III) erhalten.
ChemInform Abstract: Phosphorylated and Thiophosphorylated Heterocyclic Hydrazines.
Authors: RAZVODOVSKAYA L. V. , ERIKOVA M. V. , KISELEVA N. A. , GRAPOV A. F. , MEL'NIKOV N. N.
Published: May 2016

Die (Thio)Phosphorsäurehydrazide (Ia)‐(Ic) reagieren mit "Lactimethern (II) zu den phosphorylierten Hydrazinen (III)‐(V).
ChemInform Abstract: 1,2‐Epithioethanephosphonates.
Authors: SHILOVA E. V. , BYSTROVA V. M. , KARIMOVA N. M. , KIL'DISHEVA O. V. , KNUNYANTS I. L.
Published: May 2016

Die Phosphonsäureester (III) werden aus den Vinylphosphonsäureestern (I) und Acetylsulfenylchlorid (II) hergestellt.
ChemInform Abstract: Reactivity of Hexachlorocyclotriphosphazene Towards Alkyl‐lithium Reagents.
Authors: WINTER H. , VAN DE GRAMPEL J. C.
Published: May 2016

Reaction of the title compound (I) with LiMe and LitBu and an excess of propan‐ 2‐ol lead to mixtures of cyclic derivatives, which contain mainly the alkyl‐substituted Compounds (IIb) + (III) or (IIb), (IV) + (V), and the novel cyclophosphazene (IIa) in yields depending on stoichiometry.
ChemInform Abstract: Anomalous Reaction of Tertiary Butyl‐ and Neopentylvinylhalides with Lithium.
Authors: MISTRYUKOV E. A. , KORSHEBETS I. K.
Published: May 2016

Die Vinylhalogenide (I) mit sterisch anspruchsvollen Substituenten in β‐Stellung bilden mit Lithium nicht die erwarteten Vinyllithiumverbindungen, sondern die Acetylide (II), die mit Methylformiat (III) bzw. Crotonaldehyd (VI) zu den entsprechenden Alkinolen (IV) bzw. (VII) umgesetzt werden.
ChemInform Abstract: Zinc Carboxylate Complexes: Structural Characterisation of Some Binuclear and Linear Trinuclear Complexes.
Authors: CLEGG W. , LITTLE I. R. , STRAUGHAN B. P.
Published: May 2016

Freshly prepared Zn hydroxide was refluxed with the appropriate carboxylic acid in water for 1 h. The Zn carboxylate was isolated in quantitative yield.
ChemInform Abstract: Electron Transfer Between Cytochrome c and Porphyrins.
Authors: CHO K. C. , CHE C. M. , NG K. M. , CHOY C. L.
Published: May 2016

The photoinduced electron‐transfer between cytochrome Cand the water‐soluble tetrakis(sulfonatophenyl)porphyrin, tetrakis(N‐methylpyridyl)porphyrin, their Zn complexes, and the Zn complex of tetrakis(carboxyphenyl)porphyrin was investigated.
ChemInform Abstract: Synthetic, Structural, and Spectroscopic Studies of the Ligating Properties of Organic Disulphides: X‐Ray Structures of Mercury(II) Chloride‐Dimethyl Disulphide (1/1)and Triethylammonium Trichloromercurate.
Authors: BOORMAN P. M. , MERRIT C. L. , NANDANA W. A. S. , RICHARDSON J. F.
Published: May 2016

The polymeric compound (I) was prepared by refluxing a mixture of anhydrous HgCl2 and an excess of Me2S2 (I09°C, 16 h) and isolated after cooling the solution to ca. 0°C. It crystallizes in the space group C2/ c with Z=8.
ChemInform Abstract: New Metallacycles of Titanocene, Zirconocene, and Hafnocene Systems with S,N‐ and N,N′‐Coordinated Chelate Ligands.
Authors: KOEPF H. + , KLAPOETKE T. +
Published: May 2016

The reaction of corresponding metallocene dichlorides with equivalent amounts of the S,N‐ or N,N′‐dilithium salts of 0‐ aminothiophenol or o‐phenylenediamine in benzene at room temp. leads to the chelate complexes (I).
ChemInform Abstract: Synthesis of Trichlorogermyl Derivatives of β‐Furylpropionic Acids.
Authors: KOLESNIKOV S. P. , LI V. YA. , SHOSTAKOVSKII V. M.
Published: May 2016

Durch Addition von Trichlorgerman (II) an die β‐Furylacrylsäuren (I) werden bevorzugt die Trichlorgermylderivate (III) erhalten.
ChemInform Abstract: Palladium‐Catalyzed Coupling of Vinyl Triflates with Organostannanes.
Authors: SCOTT W. J. , STILLE J. K.
Published: May 2016

The Pd‐catalyzed Coupling reactions of vinyl triflates as (I), (IV), and (VII) with acetylenic, vinyl, allyl, and alkyl tin reagents (II) and (V) in the presence of LiCl take place in high yields of the coupled products (III), (VI), or (VIII) under mild reaction conditions.
ChemInform Abstract: Pentacarbonylchromium Complexes of 1H‐Isoindoles.
Authors: FELDHOFF U. , GREVELS F.‐W. , KREHER R. P. , ANGERMUND K. , KRUEGER C. +
Published: May 2016

The 1H‐isoindoles (Id)‐(Ih) are converted into the pentacarbonyl‐Cr complexes (IIId)‐(IIIh) by means of ligand exchange reactions with pentacarbonyl(cyclooctene)‐Cr (II).
ChemInform Abstract: Octahedral d3 and d4 Complexes of Molybdenum with 1,2‐Bis(dimethylphosphino)‐ethane.
Authors: FONG L. K. , FOX J. R. , FOXMAN B. M. , COOPER N. J.
Published: May 2016

Reaction of amorphous MoCl2 (I) with the title diphosphine affords a convenient route to the octahedral dichloro trans‐complex (II), while reaction of Mo(CO)4Cl2 (V) with this diphosphine leads to the formation of the seven‐coordinate, capped‐trigonal‐prismatic complex cation (VI) isolated as the PF6 salt.
ChemInform Abstract: Preparation, Characterisation, and X‐Ray Crystal Structure of [W2Cl4(NHtBu)2(NH2tBu)2]: A Triply‐bonded Ditungsten Compound Containing t‐Butylamido Ligands.
Authors: BRADLEY D. C. , ERRINGTON R. J. , HURSTHOUSE M. B. , SHORT R. L.
Published: May 2016

Treatment of the dimer (I), prepared by Na ‐ Hg reduction of WCl4 in THF, with excess of tert. butylamine causes the replacement of two chlorides by tert. butylamide ligands and the formation of the title Compound (II).
ChemInform Abstract: Chemistry of Trivalent Uranium Metallocenes: Electron‐Transfer Reactions with Carbon Disulfide.
Authors: BRENNAN J. G. , ANDERSEN R. A. , ZALKIN A.
Published: May 2016

The U(III) metallocenes (I) and (III) react with CS2 to form the binuclear U(IV) title complexes (II).
ChemInform Abstract: Steric and Electronic Effects on Atom Transfer Reactions of Re(CO)4L‐ Radicals with Organic Halides and HSn(n‐C4H9)3.
Authors: HANCKEL J. M. , LEE K.‐W. , RUSHMAN P. , BROWN T. L.
Published: May 2016

Bimolecular rate constants for halogen and hydrogen atom transfer to the title radical, generated by laser flash photolysis of (I), are measured by following the decay of the transient radical absorbance in the 550 nm region.
ChemInform Abstract: Rhenium Dinitrogen Complex (η‐C5Me5)Re(CO)(PMe3)(N2). Facile Photochemical Generation of a Rhenium Intermediate and Oxidative Addition of Hydrocarbon C‐H Bonds.
Authors: KLAHN‐OLIVA A. H. , SINGER R. D. , SUTTON D.
Published: May 2016

Irradiation of (II), prepared as shown from (I), in benzene solution resulted in loss of the N2 ligand and formation of the benzene C‐H activation product (III).
ChemInform Abstract: Cobalt Metallacycles. Part 14. Facile Transformation of η4‐Diene Complexes to Metallacyclopentenes.
Authors: WAKATSUKI Y. , AOKI K. , YAMAZAKI H.
Published: May 2016

The reaction of the acetylene‐Co complexes (I) with excess of aryl or tert.‐butyl isocyanide gives the diiminobutadiene complexes (IIa)‐(IId).
ChemInform Abstract: Dinuclear Metal Complexes. Part 4. Electrochemical Studies of Macrocyclic Dicopper(II) Complexes. Investigation of the Effect of Solvents, Donor Groups, and Steric Constraints on the Stability of Mixed‐valence Copper(II)‐Copper(I) Complexes.
Authors: MANDAL S. K. , ADHIKARY B. , NAG K.
Published: May 2016

The macrocyclic complexes (III) and (V) were obtained according to the scheme (no yields given).
ChemInform Abstract: Synthesis and Interconversion of, and Restricted Rotation in, Phenyl Complexes of Ruthenium(II).
Authors: PROBITTS E. J. , SAUNDERS D. R. , STONE M. H. , MAWBY R. J.
Published: May 2016

The complexes (II) were prepared according to a method already published for the unsubstituted compound (IIa).