bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Valence Isomer Interconversion of Norbornadienes and Quadricyclanes Having an Acyl Group.
Authors: HIRAO K. , YAMASHITA A. , ANDO A. , HAMADA T. , YONEMITSU O.
Published: May 2016

As a model for light energy conversion, eleven acylnorbornadienes such as (III), (VI), and (IX) are prepared.
ChemInform Abstract: Location of Nickel Oxide and Nickel in Silica‐Supported Catalysts: Two Forms of “NiO” and the Assignment of Temperature‐Programmed Reduction Profiles.
Authors: MILE B. , STIRLING D. , ZAMMITT M. A. , LOVELL A. , WEBB M.
Published: May 2016

The preparation of nickel catalysts by impregnation of silicas of different morphologies with Ni(NO3)2 followed by drying and calcination results in the formation of two distinct types of "NiO" which reduce at different temperatures.
ChemInform Abstract: Carbon‐Covered Alumina as a Support for Sulfide Catalysts.
Authors: VISSERS J. P. R. , MERCX F. P. M. , BOUWENS S. M. A. M. , DE BEER V. H. J. , PRINS R.
Published: May 2016

The carrier materials prepared by pyrolysis (873‐973 K) of cyclohexene or ethene on the surface of γ‐Al2O3 (10‐35 wt.% carbon deposited) exhibit promising textural properties: BET surface areas up to 334 m2/g, meso‐ and macropore surface areas reaching values of 190‐270 m2/g, and a narrow pore size distribution in the range 2.5‐10 nm.
ChemInform Abstract: Intramolecular Dynamics of Tetranuclear Carbonyliridium Cluster Compounds. Part 2. Disubstituted Complexes with One Chelating Ligand. Crystal Structure of (Ir4(CO)7(μ‐CO)3(1,5‐cyclooctadiene)).
Authors: STRAWCZYNSKI A. , ROS R. , ROULET R. , GREPIONI F. , BRAGA D.
Published: May 2016

The two complexes (I) bear a bidentate ligand chelating one metal atom of the basal face of the Ir4 tetrahedron.
ChemInform Abstract: Rotational Barriers. Part 2. Energies of Alkane Rotamers. An Examination of Gauche Interactions.
Authors: WIBERG K. B. , MURCKO M. A.
Published: May 2016

The barrier of rotation around C(2)‐C(3) and the trans/gauche energy difference of butane (Ia) is calculated to be 6.34 and 0.86 kcal/mol, resp., using several basis sets.
ChemInform Abstract: Radical Stabilization Energies of Disubstituted Methyl Radicals. A Detailed Theoretical Analysis of the Captodative Effect.
Authors: PASTO D. J.
Published: May 2016

The radical stabilization energies (= the change in total energies of the species in X‐·CH‐Y + CH4‐X‐CH2‐Y + ·CH3) are calculated for some 60 disubstituted methanes and methyl radicals.
ChemInform Abstract: Application of N‐Tritylmethionine in the Preparation of Heterocycles of Biological and Synthetic Interest.
Authors: BARLOS K. , PAPAIOANNOU D. , VOLIOTIS S.
Published: May 2016

Various ring closure reactions of sulfonium salts of N‐tritylmethionine derivatives such as (I), (III), (Vb), or (X) are studied in order to obtain biologically and synthetically interesting cyclic amino acid derivatives such as (II), (IV), (VI), (VII) or (XI).
ChemInform Abstract: Acid‐Catalyzed Rearrangement of Aryl Cyclopropyl Ketones.
Authors: MURPHY W. S. , HANTAWONG K.
Published: May 2016

The rearrangements of 1‐benzoyl‐2‐phenylcyclopropanes (I) (and 10 derivatives substituted in the benzoyl/phenyl moiety with 3‐ and/or 4‐O‐Me) are studied by in situ 1H and 13C NMR spectroscopy to elucidate the mechanism of the formation of tetralones (III) which are generated exclusively via cations (II).
ChemInform Abstract: Are Triplet Exciplexes Involved in (2 + 2) Photocycloaddition of Cyclic Enones to Alkenes?
Authors: SCHUSTER D. I. , HEIBEL G. E. , BROWN P. B. , TURRO N. J. , KUMAR C. V.
Published: May 2016

Rate constants and quantum yields are presented for (2 + 2) photocycloadditions of enones (I) and (II) with all alkenes (V)‐(IX), of enone (III) with alkenes (Va), (VII), and (IXb), and of enone (IV) with (Va) and (VIIa).
ChemInform Abstract: Aminoacryl Derivatives. Part 22. Synthesis, 13C NMR Spectra, and X‐Ray Investigation of “Push‐Pull” Diacetylenes.
Authors: GALLI R. , NEUENSCHWANDER M. , ENGEL P.
Published: May 2016

In addition to the known diacetylenes (I), (IIc), and (IId), the new compounds (IIa) and (IIb) are prepared.
ChemInform Abstract: Syntheses and Chiroptical Properties of 4‐Oxo‐ and 4‐Methyl‐2‐adamantylidene Derivatives.
Authors: WALBORSKY H. M. , REDDY S. M.
Published: May 2016

PCC oxidation of the hydroxyadamantanes (I) yields the 4‐oxo‐2‐adamantylidene derivatives (II).
ChemInform Abstract: A Facile and Efficient Preparative Method of Methyl 2‐Arylpropanoates by Treatment of Propiophenones and Their Derivatives with Iodine or Iodine Chlorides.
Authors: YAMAUCHI T. , HATTORI K. , NAKAO K. , TAMAKI K.
Published: May 2016

Treatment of propiophenones such as (I) or its derivatives (IV) or (V) with iodine or iodine chlorides and trimethyl orthoformate (II) yields the 2‐arylpropanoates mentioned in the title, e.g. (III).
ChemInform Abstract: Synthesis of 1‐Aryl‐5‐arylazo‐3‐(phenylsulfonyl)pyrazol‐4‐ols from 1‐Bromo‐3‐phenylsulfonyl‐2‐propanone.
Authors: TAKAHASHI M. , ABE H. , TETSUKA T.
Published: May 2016

The α‐bromo‐α'‐(phenylsulfonyl) ketone (I) mentioned in the title reacts with the aryldiazonium chlorides (II), forming the 5‐arylazohydroxy(phenylsulfonyl)pyrazoles (IV) via the pyrazolones (III).
ChemInform Abstract: Synthesis of Heterocyclic Compounds from 3‐Acetyl‐3‐chloropropyl Acetate.
Authors: D'AMICO J. J. , BOLLINGER F. G. , THOMPSON M. , FREEMAN J. J. , DAHL W. E. , PUSTINGER J. V.
Published: May 2016

3‐Acetyl‐3‐chloropropyl acetate (II) reacts with the potassium salt (I) of 2‐mercaptobenzimidazole to give the cyclization product (III) which is coupled with 4‐fluorophenyl isocyanate (IV), forming the carbamate (V).
ChemInform Abstract: The Preparation of 3‐Hydrazino‐4‐hydroxy‐ and 3‐Hydrazino‐4‐methoxypyridine from Sydnones.
Authors: EL‐BAKOUSH M. M. , PARRICK J.
Published: May 2016

The 3‐aminopyridine hydrochlorides (I) react with butyl glyoxalate (II) to give the glycine ester hydrochlorides (III) via the imines.
ChemInform Abstract: New Heterocyclic Compounds Derived from Diethyl 2,5‐Dioxo‐1,4‐cyclohexanedicarboxylate and 2‐Aminobenzophenone.
Authors: KITAHARA K. , NISHI H.
Published: May 2016

Two equivalents of 2‐aminobenzophenone (II) and the cyclohexane‐1,4‐dione‐2,5‐dicarboxylate (I) give the pentacyclic cyclocondensation product (III) which is dehydrogenated with chloranil to form the aromatic system (IV).
ChemInform Abstract: Fused Pyrimidines by a Tandem Aza‐Wittig/Electrocyclic Ring Closure Strategy: Synthesis of Pyrazolo(3,4‐d)pyrimidine, (1,2,3)Triazolo‐(4,5‐d)pyrimidine, and Thiazolo(4,5‐d)pyrimidine Derivatives.
Authors: MOLINA P. , ARQUES A. , VINADER M. V. , BECHER J. , BRONDUM K.
Published: May 2016

The strategy for the synthesis of the fused pyrimidines (IX), (XI), or (XV) starts with the heterocyclic β‐chloroaldehydes (I), (X), or (XII) which are first converted to the corresponding azides such as (III) then coupled with aniline (IV), forming Schiff bases such as (V) and finally treated with triphenylphosphine (VI) to give iminophosphoranes, e.g. (VII) or (XIII).
ChemInform Abstract: Ring Transformation of 1,5‐Benzoxazepines into Spirobenzoxazoles. Synthesis of Pyrazolo(1′,5′:3,4)(1,2,4)triazino(5,6‐b)(1,5)benzoxazepines and Spiro(benzoxazole‐2′(3′H),4(1H)‐pyrazolo(5,1‐c)(1,2,4)triazines).
Authors: KURASAWA Y. , OKIYAMA M. , KAMIGAKI Y. , KANOH M. , TAKADA A. , OKAMOTO Y.
Published: May 2016

The pyrazolotriazines (II) or (VII) react with o‐aminophenol hydrochloride (I) to give the fused oxazepines (III) and (VIII).
ChemInform Abstract: Silicon Compounds and Its Group Homologues. Part 85. Unsaturated Silicon Compounds. Part 31. Storing of the Labile Silaethene Me2Si=C(SiMe3)2 with Benzophenone.
Authors: WIBERG N. , PREINER G. , SCHURZ K. , FISCHER G.
Published: May 2016

Benzophenone (III) is able to "store" the silaethene (II) produced from the Li compounds (I) with formation of a (2 + 4)cycloadduct (IV).
ChemInform Abstract: Synthesis, Crystal Structure, Electrical Properties, and Band Electronic Structure of Bis(1,3‐propanediyldithio)tetrathiafulvalenium Tetraiodoindate(III), (BPDT‐TTF)3(InI4)2.
Authors: GEISER U. , WANG H. H. , SCHLUETER J. , CHEN M. Y. , KINI A. M. , KAO I. H.‐C. , WILLIAMS J. M. , WHANGBO M.‐H. , EVAIN M.
Published: May 2016

The title compound is obtained by electrocrystallization from a solution containing (NBu4) (InI4) and bis(1,3‐propanediyldithio)tetrathiafulvene (BPDT‐TTF) in 1,1,2‐trichloroethane.
ChemInform Abstract: Synthesis and Structure of a Tungstacyclopentatriene.
Authors: KERSCHNER J. L. , FANWICK P. E. , ROTHWELL I. P.
Published: May 2016

The reduction of the W(VI) compound (I) in the presence of bis(diphenylphosphino)methane (II) results in the formation of the 16‐electron complex (III).
ChemInform Abstract: Energy‐Minimized Structures and Calculated and Experimental Isomer Distributions in the Hexaaminecobalt(III) System (Co(trap)2)3+ (trap: 1,2,3‐Propanetriamine).
Authors: COMBA P. , HAMBLEY T. W. , ZIPPER L.
Published: May 2016

Aerial oxidation of an aqueous solution of CoCl2 and 2 equiv. of 1,2,3‐propanetriamine yields two isomers of the title complex, the meso‐ and rac‐isomer, which are separated preparatively by fractional crystallization, and fully characterized by 13C NMR and electronic spectroscopy.
ChemInform Abstract: Steric Crowding in Coordination Compounds: Electron‐Transfer Kinetics of the (Co(tmen)3)3+/2+ Couple (tmen: 2,3‐Dimethylbutane‐2,3‐diamine).
Authors: HENDRY P. , LUDI A.
Published: May 2016

The complex (I) is prepared by the reaction of CoCl2 with the ligand via bis‐ligand‐trans‐diaquo and ‐trans‐dichloro intermediates in a yield of 74%.
ChemInform Abstract: Synthesis, Crystal Structure, Magnetic Properties, and Thermodynamic and Electrochemical Studies of the Binuclear Complex (μ‐Oxalato)bis((1,4,8,11‐tetraazacyclotetradecane)nickel(II)) Nitrate.
Authors: BATTAGLIA L. P. , BIANCHI A. , BONAMARTINI CORRADI A. , GARCIA‐ESPANA E. , MICHELONI M. , JULVE M.
Published: May 2016

The new binuclear title complex (I) is prepared from lithium oxalate, cyclam and Ni(II) nitrate in water.
ChemInform Abstract: Bathophenanthroline‐Ruthenium(II) Complexes as Non‐Radioactive Labels for Oligonucleotides which Can Be Measured by Time‐Resolved Fluorescence Techniques.
Authors: BANNWARTH W. , SCHMIDT D. , STALLARD R. L. , HORNUNG C. , KNORR R. , MUELLER F. +
Published: May 2016

The bathophenanthroline‐Ru(II) complexes (I) are prepared by known methods.
ChemInform Abstract: Metabolites of Microorganisms. Part 251. The Esmeraldins A and B, Dark‐Green Pigments from Streptomyces antibioticus, Strain Tue 2706.
Authors: KELLER‐SCHIERLEIN W. , GEIGER A. , ZAEHNER H. + , BRANDL M.
Published: May 2016

In contrast to saphenamycin (III) esmeraldin A (isolated as a mixture of higher saturated and unsaturated fatty acid esters (Ia)‐(Id) of esmeraldic acid) and esmeraldin B (II) do not reveal antibacterial activity.
ChemInform Abstract: Silicon‐Mediated Skipped Diene Synthesis. Application to the Melon Fly Pheromone.
Authors: WILSON S. R. , ZUCKER P. A.
Published: May 2016

The (hydroxyalkyl)(trimethylsilylmethyl)cyclopropanes (I) or (III) are treated with catalytic amounts of acids to give the 1,4‐pentadienes (II) or (IV).
ChemInform Abstract: Magnetic‐Field‐Induced Orientation of Crystallites in Powders of Layered Intercalation Compounds Detected by NMR.
Authors: HALSTEAD T. K. , SCHMIDT C. , SPIESS H. W. , SCHOELLHORN R. + , MUELLER‐WARMUTH W. + , MOELLER H. +
Published: May 2016

An orientation of crystallites by a magnetic field (7.2 T) is detected by 1H NMR techniques in powder samples of hydrated monolayered chalcogenides of the type A+ x(H2O)y(NbS2)x‐ (A: Na, K; x = 0.33; y = 0.67).
ChemInform Abstract: Homogeneous Coprecipitation as a Means Toward High‐Tc and Sharp‐Transition YBa2Cu3O7‐x Superconducting Oxides.
Authors: LIU R. S. , CHANG C. T. , WU P. T.
Published: May 2016

A high‐Tc superconducting powder, YBa2Cu3O7‐x, is synthesized from an aqueous solution containing Y, Ba, and Cu salts (nitrates or chlorides) as starting materials and oxalic acid/urea as precipitates.
ChemInform Abstract: Synthesis and Crystal Structure of CsVHP3O10.
Authors: KLINKERT B. , JANSEN M.
Published: May 2016

The hitherto unknown triphosphate, synthesized according to the scheme, crystallizes in the monoclinic system, space group C2/c with Z=4.
ChemInform Abstract: Spontaneous Acetylene‐1,3‐diene Isomerization of Sulfides and Sulfones.
Authors: YAKOVLEV V. V. , STADNICHUK M. D.
Published: May 2016

The arylthioalkyne (I) or the arylsulfonylalkyne (III) rearrange spontaneously in boiling iPrOH to give the 1,3‐dienes (II) or (IV).
ChemInform Abstract: The Mechanism for the Conversion of Uric Acid into Uroxanate and Allantoin. A New Base‐Induced 1,2‐Carboxylate Shift.
Authors: POJE M. , SOKOLIC‐MARAVIC L.
Published: May 2016

Using the C‐labeled uric acid (I) the mechanism of its degradation is elucidated.
ChemInform Abstract: Nucleophile‐Catalyzed Additions of Aldehydes and Ketones to Acrylic Compounds. The Effectiveness of High Pressures.
Authors: HILL J. S. , ISAACS N. S.
Published: May 2016

The addition of various vinyl species such as (I) with carbonyl compounds such as (II) or (IV) is effectively catalyzed by tert.‐amines, especially DABCO.
ChemInform Abstract: Vilsmeier‐Haack Reaction in the Series of Polyfluorinated β‐Dicarbonyl Compounds.
Authors: PASHKEVICH K. I. , BOBROV M. B. , SALOUTIN V. I. , RUBAYA M. N.
Published: May 2016

Vilsmeier reaction of the β‐keto esters (I) gives the α‐formyl‐β‐chloro compounds (III) as the result of a formylation/chlorination process.
ChemInform Abstract: Reactions of N‐Bromodifluoromethanimine.
Authors: BAUKNIGHT C. W. JUN. , DESMARTEAU D. D.
Published: May 2016

Cyanuric fluoride (I), obtained from cyanuric chloride, is pyrolyzed to give the unstable cyanogen fluoride (II) which leads to the formation mixture of the title compound (III) and the N‐(dibromo)amine (IV) on treatment with bromine and potassium fluoride.
ChemInform Abstract: Umpolung of Tropone: The Synthesis of Novel 2‐Substituted Tropones via 2‐Halocycloheptadienone Enolates.
Authors: MIYANO H. , NITTA M.
Published: May 2016

The 2‐halotropones (I) are reduced to form the salt (II) which is coupled with tropylium tetrafluoroborate (III) to give the 2‐tropyltropone (V).
ChemInform Abstract: Azo Coupling of o‐Dinitrobenzene: Reaction of the Dianion and the Anion Radical with Aryldiazonium Cations.
Authors: TODRES Z. V. , OVSEPYAN G. TS. , IONINA E. A. , KOSNIKOV A. YU. , LINDEMAN S. V. , STRUCHKOV YU. T.
Published: May 2016

The o‐dinitrobenzene dianion (II) is coupled with the diazonium salt (Ia) to give the azo compound (III).
ChemInform Abstract: Synthesis and Stereochemical Investigation of the 2Z,4E‐ and 2E,4E‐Isomeric 5‐Aryl‐3‐methyl‐2,4‐pentadienoic Acids.
Authors: MAKIN S. M. , MIKERIN I. E. , SHAVRYGINA O. A. , LANINA T. I.
Published: May 2016

Based‐catalyzed condensation of ethyl methyl β‐methylglutaconate (II) with the aromatic aldehydes (I) affords the 2Z,4E‐configurated pentadienoic acids (III) which undergo decarboxylation in boiling lutidine to give the 2Z,4E‐configurated monoacids (IV).
ChemInform Abstract: Reaction of Organic Azides with Unsaturated Compounds. Part 9. Rearrangement Products of 1‐Arylsulfonyl‐4,4,5‐trimethyl‐5‐ethoxy‐1,2,3‐triazolines.
Authors: SEMENOV V. P. , MISHIN M. A. , OGLOBLIN K. A.
Published: May 2016

The reaction between the arylsulfonyl azides (I) and 2‐methyl‐3‐ethoxybut‐2‐ene (II) yields the ethyl N‐arylsulfonyl‐2,2‐dimethylpropanimidates (III) as the main products along with minor amounts of the arylsulfonamides (IV).
ChemInform Abstract: The Reactions of N‐Benzoylperoxycarbamic Acid with Azines and Imines.
Authors: PAREDES R. , BASTOS H. , MONTOYA R. , CHAVEZ A. L. , DOLBIER W. R. JUN. , BURKHOLDER C. R.
Published: May 2016

The title compound BPC reacts with azines such as (I) or imines such as (V) to form oxaziridines such as (II) or (VI) rather than N‐oxides such as (III).
ChemInform Abstract: The Effect of Ultrasound and of Phosphine and Phosphine Oxides on the Khand Reaction.
Authors: BILLINGTON D. C. , HELPS I. M. , PAUSON P. L. , THOMSON W. , WILLISON D.
Published: May 2016

The influence of the phosphine ligands in the intermediate cobalt carbonyl complexes (III) on the yields and rates of the Khand reaction is studied.
ChemInform Abstract: Organic Synthesis Using PTC. Part 8. Synthesis of Macrocyclic Systems Containing Nitrogen and/or Oxygen as Heteroatom(s).
Authors: SINGH P. , JAIN A.
Published: May 2016

The reaction of benzenesulfonamide and p‐toluenesulfonamide with p‐toluenesulfonate esters of diols under liquid‐liquid or solid‐liquid phase‐transfer conditions (NaOH, triethylbenzylammonium chloride, benzene) gives cyclic products of type (I) and/or (II).
ChemInform Abstract: Z‐1‐Ethoxy‐3‐trimethylsilyl‐1‐propene: Synthon in the Preparation of 2‐Formylallyltrimethylsilanes and 2‐Formyl‐3‐alkoxyalkyltrimethylsilanes.
Authors: PORNET J. , RAYADH A. , MIGINIAC L.
Published: May 2016

The vinylic ether (I) is coupled with the aldehydes (II) in the presence of TiCl4 to form the α‐(silylmethyl)acroleines (IV) via the intermediate oxetanes (III).
ChemInform Abstract: Methylene Compounds of Non‐Metallic Elements. Part 8. Preparation and Reactions of Methylene‐Bridged Phosphorus(III)‐Phosphorus(V) Compounds.
Authors: FILD M. , BUNKE D. , SCHOMBURG D.
Published: May 2016

Syntheses for methylene‐bridged diphosphorus compounds of the type (IV) are described in the scheme.
ChemInform Abstract: Synthesis of Uracil‐5‐phosphinic and 5‐Thiophosphonic Acids.
Authors: MARUYAMA T. , KIMURA S. , HONJO M.
Published: May 2016

Reaction of 5‐bromo‐2,4‐dimethoxypyrimidine (I) with butyllithium and diethyl chlorophosphite (II) produces the phosphinate (III) which is hydrolyzed to yield uracil‐5‐phosphinic acid (IV).
ChemInform Abstract: Preparation of Aryl, Alkynyl, and Vinyl Organo‐Copper Compounds by the Oxidative Addition of Zerovalent Copper to Carbon‐Halogen Bonds.
Authors: EBERT G. W. , RIEKE R. D.
Published: May 2016

Reduction of CuI·PEt3 with lithium naphthalide in DME or THF gives a highly reactive copper slurry which is used in the preparation of various organo‐copper compounds from aryl, vinyl, and alkynyl bromides or iodides.
ChemInform Abstract: Secondary Phosphine Chalcogenides. Part 10. Reactions of Diphenylphosphane Oxide, Ph2P(O)H, with the Bis(2,4‐pentanedionato) Complexes of Nickel, Palladium, and Platinum, Bis(cycloocta‐1,5‐diene)nickel(0) and Nickel Tetracarbonyl. Crystal and Molecular Structure of (Ni(acac)((Ph2PO)2H)) (acac‐: O,O′‐C5H7O‐ 2).
Authors: WALTHER B. , HARTUNG H. , MASCHMEIER M. , BAUMEISTER U. , MESSBAUER B.
Published: May 2016

The Ni complex (IIIa) is investigated by X‐ray diffraction (space group not given).
ChemInform Abstract: Protective Group Dependent Stability of Intersaccharide Bonds ‐ Synthesis of a Fucosyl Chitobiose Glycopeptide.
Authors: KUNZ H. , UNVERZAGT C.
Published: May 2016

The acetyl‐protecting groups in the fucose moiety of the trisaccharide unit Fch stabilize the intersaccharide bonds such that they are not ruptured during the cleavage of the C‐terminal tert.‐butyl protecting group from, e.g., the condensation product of the components (III) and (IV) with TFA.
ChemInform Abstract: A Route to Functionalized Branched‐Chain Amino Sugars via Nitrous Acid‐Promoted Spiroaziridine Formation.
Authors: ALVES R. J. , CASTILLON S. , DESSINGES A. , HERCZEGH P. , CRISTOBAL LOPEZ J. , LUKACS G. , OLESKER A. , THANG T. T.
Published: May 2016

The protected deoxy‐α‐D‐threo‐hexopyranosidulose (I) reacts with trimethylsilyl cyanide (II) and ammonia (III) to give the α‐aminonitrile (IV) which is converted into the aldehyde (X) via the aziridine (VII) as outlined in the reaction scheme.
ChemInform Abstract: Alkaloids. Part 55. Synthesis of Stereoisomeric Vincamines.
Authors: KOBLICOVA Z. , HOLUBEK J. , TROJANEK J.
Published: May 2016

Zn dust reduction of the perchlorate (III) gives a separable mixture of the stereoisomeric (±)‐eburnane carbonitriles (IV) + (V).
ChemInform Abstract: Growth and Characterization of Hg1‐xCdxTe Photochemical Native Oxides.
Authors: KAO T.‐M. , SIGMON T. W.
Published: May 2016

The growth of native oxides on Hg1‐xCdxTe (I) is of considerable importance for the successful fabrication of (I) IR detector arrays.
ChemInform Abstract: Electrical Conduction and Dielectric Breakdown in Sputter‐Deposited Silicon Dioxide Films on Polysilicon.
Authors: SUYAMA S. , OKAMOTO A. , SERIKAWA T.
Published: May 2016

SiO2 films are sputter‐deposited on a polysilicon substrate in an oxygen‐argon atmosphere at 200 °C. It is found that the current density of the sputtered film is significantly reduced by increasing the O2/(O2 + Ar) mixing ratio or by decreasing the gas pressure.
ChemInform Abstract: A Novel Bismuth Iron Oxide Bi2Sr3‐xCaxFe2O9 Isostructural with the “2212” Superconductor.
Authors: HERVIEU M. , MICHEL C. , NGUYEN N. , RETOUX R. , RAVEAU B.
Published: May 2016

New orthorhombic oxides of formula Bi2Sr3‐xCaxFe2O9 are obtained as pure phases in the range 0 ≦ x ≦ 1 by annealing appropriate mixtures of Bi2O3, Fe2O3, SrCO3, and CaCO3 (850 °C, 3 d).
ChemInform Abstract: The Reduction of Ba2YCu3O7 (I) and Y2Cu2O5 (II) by H2
Authors: GALLAGHER P. K. , O'BRYAN H. M. , GRADER G. S.
Published: May 2016

is investigated by TG, DTA, and XRD methods in 15% H2 + 85% N2.
ChemInform Abstract: Hydrocarbonylating Cyclization of Dienes. Part 6. Metal‐Induced Skeletal Rearrangements During an Attempted Synthesis of the Acorane System from Substituted 1,1‐Divinylcyclohexanes.
Authors: EILBRACHT P. , ACKER M. , HUETTMANN G. + , WINKELS I.
Published: May 2016

Aiming at a regio‐ and stereoselective synthesis of the acorane skeleton (II), substituted divinylcyclohexanes such as (I) are treated under the conditions A) of hydrocarbonylating cyclization.
ChemInform Abstract: Organic Reactions at High Pressure: The Mechanism of the Homo Diels‐Alder Reaction of Homofuran (2‐Oxabicyclo(3.1.0)hex‐3‐ene).
Authors: KLAERNER F.‐G. + , SCHROEER D. +
Published: May 2016

At high pressure and in the presence of (II) the thermolysis of (‐)‐(I) yields the adduct (III) indicating that the title reaction proceeds via the bimolecular pathway.
ChemInform Abstract: A Gas Phase Study of the Regioselective BH‐ 4 Reduction of Some 2‐Substituted Maleic Anhydrides.
Authors: VAN DER WEL H. , NIBBERING N. M. M. , KAYSER M. M.
Published: May 2016

In order to study the regioselectivity of the BH4‐ reduction of anhydrides such as (I)‐(III), Fourier transform ICR mass spectrometric results are compared with LUMO calculations of these anhydrides.
ChemInform Abstract: A Convenient Preparation of Substituted 2,5‐Dibenzylidenecyclopent‐3‐en‐1‐ones.
Authors: DESIRAJU G. R. , KISHAN K. V. R.
Published: May 2016

In connection with an investigation of the solid state photochemistry of crystalline olefins, cyclopentenes of type (II) and (IV) are required.
ChemInform Abstract: Synthesis of Optically Active β‐Keto Sulfides Catalyzed by Quinine/Quinidine and Homogeneous Catalysts.
Authors: BHONGALE N. N. , PORE V. S. , NATU A. A.
Published: May 2016

The β‐dimethylamino ketones (I) react with thiophenol (II) in the presence of quinine or quinidine or homogenous catalysts, prepared from these alkaloids by treatment with a molybdenum complex, to form the chiral β‐benzenesulfonyl ketones (III).
ChemInform Abstract: An Efficient Synthesis of (.+‐.)‐Cuparene from 4,4‐Dimethyl‐2‐cyclohexen‐1‐one.
Authors: SHIAO M.‐J. , LIANG D. , KU C.‐S. , YANG C.‐H.
Published: May 2016

The cyclohexenone (I) mentioned in the title is converted to the 4‐arylated silyl enol ether (VI) by two alternative pathways outlined in the reaction scheme.
ChemInform Abstract: Benzofurans. Ketene Intermediates in the Perkin Reaction.
Authors: BRADY W. T. , GU Y.‐Q.
Published: May 2016

The Perkin reaction of the (o‐carbonylphenoxy)acetic acids (I) with acetic anhydride and sodium acetate is examined, forming the benzofuranes (II) and carbon dioxide (III).
ChemInform Abstract: Compounds with Positive Ionotropic Activity. Part 2. Synthesis of Alkyl‐Substituted Phenanthridine Derivatives and Studies of Their Positive Inotropic Activity.
Authors: HEBER D. , JUERGENS J. + , RAVENS U. , SCHUMANN J.
Published: May 2016

Reaction of the phenanthridines (I) and (IV) with the alkyl halides (II) or (V) gives the phenanthridinium salts (III) and (VI) respectively.
ChemInform Abstract: Synthesis and Reactions of Pyrrolo(1,2‐a)pyrimidines.
Authors: DAVE C. G. , SHAH P. R. , UPADHYAYA S. P.
Published: May 2016

Title compounds of type (IV) and (VI) are synthesized in order to investigate possible pharmacological properties.
ChemInform Abstract: Synthesis and Pharmacological Activities of Some Substituted Thienopyrimidin‐4‐ones.
Authors: PERRISSIN M. , FAVRE M. , LUU DUC CUONG LUU DUC CUONG , HUGUET F. , GAULTIER C. , NARCISSE G.
Published: May 2016

The title compounds (IVb), (IVc) and (IXa) show analgesic activity, while (IVd) and (VIb) exhibit antiinflammatory activity.
ChemInform Abstract: Quinazolinones. Part 15. Synthesis of 1‐(Aminoalkyl)‐2‐aryl‐2,3‐dihydro‐4(1H)‐quinazolinones.
Authors: BUEYUEKTIMKIN S. + , BUSCHAUER A. , SCHUNACK W.
Published: May 2016

Alkylation of the anthranilic amide (I) with the bromoalkyl phthalimides (II) gives the coupling products (III) which are cyclized with the aromatic aldehydes (IV), forming the quinazolinones (V).
ChemInform Abstract: CNS Depressants. Part 7. (Diallylamino)‐1,3,5‐triazines Substituted at the Triazine Nucleus.
Authors: KREUTZBERGER A. , SCHLAEFER I. +
Published: May 2016

The diaminotriazines (III) are prepared by coupling the diallylaminodichlorotriazine (I) with the amines (II).
ChemInform Abstract: Studies in 1‐Aza‐1,3‐butadienes: A Novel Synthesis of Substituted Thiadiazine 1‐Oxides Through Diels‐Alder Cycloaddition of N‐Sulfinylanilines and Open‐Chain Conjugated Azomethines.
Authors: SINGAL K. K. , SINGH B. , REHALIA K. S.
Published: May 2016

Dienes of type (I) act as excellent heterodienes and undergo facile 1,4‐cycloaddition with N‐sulfinylanilines such as (II) to give thiazine 1‐oxides of type (III) (28 examples).
ChemInform Abstract: Reaction of 2‐Isocyanatobenzoyl Chloride with N‐Methylhydroxylamine Hydrochloride: Synthesis of 3,1,4‐ and 4,1,3‐Benzoxadiazepines.
Authors: ACHARYA B. P. , RAO Y. R.
Published: May 2016

The reaction between the isocyanate (Ia) or its 5‐chloro derivative (Ib) and the hydroxylamine (II) in pyridine yields the hitherto unknown 4,1,3‐benzoxadiazepines (III).
ChemInform Abstract: Temperature Dependence of Molecular Conformation in Solid‐State Phase Transformations of N‐Base Adducts of Bis(1,5‐cyclooctanediyl)diboroxane by X‐Ray Diffraction.
Authors: YALPANI M. , KOESTER R. + , BOESE R. , SULKOWSKI M.
Published: May 2016

The structures of the two adducts (I) which show solid‐solid phase transformations at about 127 and 88 °C, resp., are determined by X‐ray diffraction at low temp. ((Ia) at ‐145 °C: space group P21/c, Z = 8 and (Ib) at ‐163 °C: P21/n, Z=4).
ChemInform Abstract: A New Synthesis of Heterocycles via Carbonylation of Amines with Carbon Monoxide in the Presence of Selenium.
Authors: YOSHIDA T. , KAMBE N. , OGAWA A. , SONODA N.
Published: May 2016

The diamines (I) react with carbon monoxide (II) and selenium to form the imidazolidinones (III).
ChemInform Abstract: Heterocycles Containing Tungsten, Phosphorus, Sulfur, and Nitrogen in the Ring Skeleton.
Authors: ROESKY H. W. , ZIMMER M. , NOLTEMEYER M.
Published: May 2016

The new ligand (III) reacts with W halogenides to form the title complexes (V).
ChemInform Abstract: Synthesis of Steroidal Pyrazoles.
Authors: AHMAD M. S. , ALAM Z. , ALI S. M.
Published: May 2016

Conjugated steroidal ketones of the stigmastane or cholestane type are treated with phenylhydrazine according to A) to give the corresponding pyrazoles as shown for the examples (Ia) and (Ib).
ChemInform Abstract: Solvent and Reversed‐Phase Extraction Chromatographic Separation of Niobium, Zirconium, and Hafnium with Aliquat 336.
Authors: DAS N. R. , CHATTOPADHYAY P.
Published: May 2016

Effective solvent extraction and reversed phase extraction chromatography (RPEC) procedures for tracer scale separation of the critical element pair, Zr‐Hf, in admixture with Nb using tricaprylmethylammonium chloride (Aliquat 336) as the liquid anion exchanger are developed.
ChemInform Abstract: Characterization of Silicon Nitride and Silicon Carbonitride Layers from 1,1,3,3,5,5‐Hexamethylcyclotrisilazane (I) Plasmas.
Authors: BROOKS T. A. , HESS D. W.
Published: May 2016

It is found that the properties of silicon nitride (prepared from dilute (I)/NH3 plasmas) and carbonitride (dilute (I)/H2 plasmas) films critically depend on the ratio of RF power density to the (Me2Si‐NH)3 (I) flow rate, W/Fm.
ChemInform Abstract: Organometallic Compounds of the Lanthanoids. Part 40. Recent Developments in Organolanthanoid Chemistry
Authors: SCHUMANN H. , ALBRECHT I. , GALLAGHER M. , HAHN E. , JANIAK C. , KOLAX C. , LOEBEL J. , NICKEL S. , PALAMIDIS E.
Published: May 2016

Review: (The Chemistry of Heteronuclear Clusters and Multimetallic Catalysts; Proceedings of the Seminar in Koenigstein, Sept.
ChemInform Abstract: Use of Thermal Lensing Spectrophotometry (TLS) for the Study of Mononuclear Hydrolysis of Uranium(IV).
Authors: GRENTHE I. , BIDOGLIO G. , OMENETTO N.
Published: May 2016

TLS is shown to be a quantitative tool for the study of chemical equilibria in very dilute (∼10‐5 M) aqueous solution.
ChemInform Abstract: Some Chemisty in the Li/“SOCl2 + BrCl” Cell
Authors: ABRAHAM K. M. , ALAMGIR M. , PERROTTI S. J.
Published: May 2016

(BCX cell).
ChemInform Abstract: Reactivities of Stable Rotamers. Part 23. Some Addition Reactions Toward the Vinyl Group in 9‐(2‐Vinyl‐1‐naphthyl)‐fluorene Rotamers.
Authors: OKI M. , TSUKAHARA J. , SONODA Y. , MORIYAMA K. , NAKAMURA N.
Published: May 2016

In some of the reactions studied the rotamers sp‐(I) and ap‐(III) (equilibrium constant 0.47; barrier to rotation about 28.6 kcal/mol) behave extremely different.
ChemInform Abstract: Diastereoselectivity in the Intramolecular Diels‐Alder Reaction of Dienylpropynoates.
Authors: BIRTWISTLE D. H. , BROWN J. M. , FOXTON M. W.
Published: May 2016

The product ratio in Diels‐Alder reactions of α‐chiral dienes is examined.
ChemInform Abstract: Oxidative Carbonylation of Aniline Over Pd/C Catalyst: Effect of Promoters, Solvents, and Reaction Conditions.
Authors: GUPTE S. P. , CHAUDHARI R. V.
Published: May 2016

The preparation of the urethane (V) proceeds via diphenylurea (III) which is formed as an intermediate.
ChemInform Abstract: Group 4 Organometallic Reagents. Part 6. The Organotin‐Mediated Monofunctionalization of Diols: An Insight into the Selective Monoesterification with Acyl Chlorides.
Authors: ROELENS S.
Published: May 2016

Influences of the reaction conditions (temp., concentration, time, reversed addition of reactants) on the yields of the monoesters (V) derived from the intermediates (IV) by hydrolytic work‐up are studied.
ChemInform Abstract: Chloromethyl‐lithium and 1‐Chloro‐2‐methylprop‐1‐enyl‐lithium: Useful Intermediates in the Synthesis of Unsaturated and Bifunctionalized Compounds.
Authors: BARLUENGA J. , FERNANDEZ‐SIMON J. L. , CONCELLON J. M. , YUS M.
Published: May 2016

The reaction of the compounds (I) and (IV) with LiCH2‐Cl (II) followed by lithiation leads to dilithium salts which react with electrophiles, e.g. D2O, or undergo β‐elimination to give the products (III) or (V), respectively.
ChemInform Abstract: Synthesis and Properties of 3,3‐Disubstituted Cyclopropenes with an Alkynyl Group.
Authors: IVANOV A. L. , DOMNIN I. N.
Published: May 2016

Starting from the enynes (I) the title compounds (V) are prepared as shown in the scheme.
ChemInform Abstract: Molecules with Twist Bent Bonds. A Comparison of the Thermal and Transition‐Metal Complex‐Promoted Rearrangements of Derivatives of trans‐Bicyclo(4.1.0)hept‐3‐ene.
Authors: GASSMAN P. G. , MLINARIC‐MAJERSKI K.
Published: May 2016

The bicyclic geminal dibromide (I) reacts with a tenfold excess of lithium dimethylcuprate (II) to give the methylated derivatives (III) and (IV).
ChemInform Abstract: Synthesis and Some Properties of Adamantylureas.
Authors: KOBRAKOV K. I. , AGRACHEVA E. B. , KHOKHRINA E. V. , SHVEKHGEIMER G. A.
Published: May 2016

The adamantyl isocyanate (I) is coupled with the amines (II) or (IV) to give the ureas (III) or (V).
ChemInform Abstract: Cleavage of Carbon‐Carbon Bonds with High Stereochemical Control. Part 5. Course of the Haller‐Bauer Reaction of Cyclic α‐Phenyl Ketones.
Authors: PAQUETTE L. A. , RA C. S.
Published: May 2016

The cycloalkyl phenyl ketones (IV), (VII), and (XII), prepared from the ester (I), the cyclohexanone (VI), or the lactone (X), undergo cleavage reactions in the presence of numerous bases to give isopropylidenephenylcyclopentane (V) or a mixture of the tert‐butylphenylcyclohexanes (VIII) and (IX).
ChemInform Abstract: Synthesis and Photochemistry of 3,6‐Difluoro‐10,11‐benzopentacyclo(6,4,0.02,7,03,12.06,9)dodeca‐4,10‐diene.
Authors: KIMURA M. , KURA H. , NUKADA K. , OKAMOTO H. , SATAKE K. , MOROSAWA S.
Published: May 2016

Excited singlet naphthalene (II) observed on irradiation of (V) is presumably formed via an adiabatic pathway.
ChemInform Abstract: Palladium‐Catalyzed Reaction of 1,3‐Diene Monoepoxides with Sodium Azide. 1,4‐Azidohydroxylation of Conjugated Dienes.
Authors: TENAGLIA A. , WAEGELL B.
Published: May 2016

Isoprene monoepoxide (I) reacts with sodium azide (II) in the presence of a Pd catalyst to give the isomeric azido alcohols (III) and (IV).
ChemInform Abstract: A Novel Synthesis of Pyrromethenones.
Authors: JACOBI P. A. , BUDDHU S. C.
Published: May 2016

The dialdehydes (I) react with N‐aminophthalimide (II) to give the pyrroles (III) which are substituted to form the esters (VI).
ChemInform Abstract: Photochemical and Thermal Ring Transformations of 8‐Oxa‐3,4‐diaza‐ and 3,4,8‐Triazatricyclo(5.1.0.02,6)oct‐4‐enes.
Authors: KURITA J. , SAKAI H. , TSUCHIYA T.
Published: May 2016

Photolysis of the title compounds (II) and (VI), obtained from the 1,2‐diazepines (I), results in the formation of the diazabicyclohexenes (III) and the azabicyclopentanes (VII) respectively.
ChemInform Abstract: A Synthesis of 2‐ and 4(5)‐(2‐Pyridinyl)imidazoles by Palladium‐Catalyzed Cross‐Coupling Reactions.
Authors: BELL A. S. , ROBERTS D. A. , RUDDOCK K. S.
Published: May 2016

The 2‐lithioimidazoles (I) are transmetalated with ZnCl2 and then coupled with 2‐bromopyridine (II) to form the substitution products (III).
ChemInform Abstract: A Convenient Synthesis of Amino Substituted 1,3,5‐Oxadiazinium Salts.
Authors: AL‐TALIB M. , TASHTOUSH H.
Published: May 2016

The dicarboxylic acid dichlorides (I) react with the cyanamides (III) in the presence of the metal chlorides (II) to give the amino substituted bis(oxadiazinium)salts (IV).
ChemInform Abstract: General Synthesis of 2‐, 3‐, and 4‐Hydroxyalkylphosphonium Salts by the Reaction of Triphenylphosphine with Cyclic Ethers in the Presence of Strong Acids.
Authors: YAMAMOTO S. , OKUMA K. , OHTA H.
Published: May 2016

The hydroxyalkylphosphonium salts (III), (IV), and (V) are synthesized by the title reaction as demonstrated for the example (III).
ChemInform Abstract: Synthesis and Some Reactions of O,O‐Diaryl Dithiophosphates and Their Derivatives.
Authors: KHASKIN B. A. , TORGASHEVA N. A. , SHELUCHENKO O. D.
Published: May 2016

The chlorophenols (I) are coupled with phosphorus pentasulfide (II) to give the O,O‐diaryl dithiophosphates (III) which are transformed into the ammonium salts (V).
ChemInform Abstract: Syntheses and Characterization of 5,5,7,12,12,14‐Hexamethyl‐1,4,8,11‐tetraazacyclotetradecane‐N‐acetic Acid (HL1) and Its Transition‐Metal Complexes: Crystal Structures of HL1·2 HBr·H2O, (NiL1(H2O))Br, and (NiL1(NCS))H2O.
Authors: JIDE X. , SHISHENG N. , YUJUAN L.
Published: May 2016

A simple stereospecific synthesis for (I) from CH2Br‐COOH in dry MeOH in the presence of KOH and Na2CO3 is reported.
ChemInform Abstract: Synthesis, X‐Ray Structure, and Reactivity with Lewis Acids of Metallacyclopentane Derivatives of Rhodium(III) and Iridium(III). Observation of the First Boron Trifluoride‐Promoted C‐H Bond Activation in Transition Metal Alkyls.
Authors: BERTANI R. , DIVERSI P. , INGROSSO G. , LUCHERINI A. , MARCHETTI F. , ADOVASIO V. , NARDELLI M. , PUCCI S.
Published: May 2016

The metallacyclopentanes (III) are prepared according to the scheme and characterized by elemental analysis, 1H NMR and mass spectrometry.
ChemInform Abstract: Synthesis and Characterization of the Disulfanoplatinum Complexes cis‐(PPh3)2Pt(phth)SSR, Where phth: Phthalimido and R: CH2Ph, CH2CH2CH3, CHMe2, p‐C6H4Me, phth.
Authors: SHAVER A. , LAI R. D.
Published: May 2016

Disulfano complexes of the type (III) are prepared via oxidative addition of R‐S‐S‐Pht (II) to the Pt(0) complex (I), wherein S‐N bond cleavage occurs.
ChemInform Abstract: Nucleophilic (Michael) Additions to (Ph2P)2C=CH2 When Chelated to Dimethylplatinum(II). Di(o‐tolyl)platinum(II), or Iodo(trimethyl)platinum(IV). Crystal Structure of Cyclic (PtMe3I((PPh2)CH(PPh2)CH2NHCH2Ph)).
Authors: HASSAN F. S. M. , HIGGINS S. J. , JACOBSEN G. B. , SHAW B. L. , THORNTON‐PETT M.
Published: May 2016

Treatment of the cyclooctadiene‐Pt(II) complex (I) with 1,1‐bis(diphenylphosphino)ethene (II) gives the diphosphine chelate (IIIa).
ChemInform Abstract: Synthesis of 9,9,9‐Trifluoro‐2‐p‐menthene‐1,8‐diol. Determination of the Structure by X‐Ray Analysis.
Authors: NAGAI T. , ANDO A. , MIKI T. , KUMADAKI T. , SHIRO M.
Published: May 2016

The ene reaction product (III), obtained from cyclohexene (I) and the trifluoroacetone (II), is oxidized with tert‐butyl hydroperoxide in the presence of chromium trioxide to form the cyclohexenones (IV) and (V).
ChemInform Abstract: Synthesis of Thiodisaccharides Using Phase‐Transfer Catalysis.
Authors: CHRETIEN F. , DI CESARE P. , GROSS B.
Published: May 2016

The title method is used for the preparation of sym. and unsym. thiodisaccharides, e.g. (II) and (IV), respectively.
ChemInform Abstract: Triisobutylaluminum as a Selective Reducing Agent for the Esters of 9,15‐Diketoprostenoic Acids Opening an Access to the 11‐Deoxyprostaglandins E and F.
Authors: TOLSTIKOV G. A. , AKBUTINA F. A. , ADLER M. E. , SIDOROV N. N. , KUCHIN A. V. , MIFTAKHOV M. S.
Published: May 2016

Treatment of the enediones (I) with excess iBu3Al, depending on the molar ratio (I):iBu3Al chosen and on the temp., affords mixtures of the 15α‐ and 15β‐ols (II) and (III) or of the 9α,15α‐ and 9α,15β‐ols (IV) and (V) in one step.
ChemInform Abstract: Synthesis of Thyroid Hormone Analogues. Part 1. Preparation of 3′‐Heteroarylmethyl‐3,5‐diiodo‐L‐thyronines via Phenol‐Dinitrophenol Condensation and Relationships Between Structure and Selective Thyromimetic Activity.
Authors: LEESON P. D. , EMMETT J. C.
Published: May 2016

The thyronine analogue precursors (VI) are prepared starting from the aldehyde (I).
ChemInform Abstract: Synthesis of Macrocyclic Terpenoids by Intramolecular Cyclization. Part 13. Stereoselective Synthesis of (.+‐.)‐Cubitene, a Component of Defense Secretion of Termites.
Authors: KODAMA M. , TAKAHASHI T. , KOJIMA T. , ITO S.
Published: May 2016

The desired chlorohydrin (VI) is converted to the racemic title compound (VIII), a diterpene with a hitherto unknown carbon skeleton.
ChemInform Abstract: Utilization of the Semiconductor Particle as a Microphotoelectrochemical Cell. Electrochemical Evidence for Interparticle Electron Transfer and Application to Photocatalysis.
Authors: SERPONE N. , BORGARELLO E. , PELIZZETTI E.
Published: May 2016

The effects of chemical etching and addition of a second semiconducting material on the photocatalytic activity of CdS suspensions for the photocleavage of H2S in alkaline solution are studied.
ChemInform Abstract: Radiative versus Three‐Body Addition in Halide Ion Reactions with BF3 and BCl3 Over the Temperature Range 220‐410 K
Authors: HERD C. R. , BABCOCK L. M.
Published: May 2016

(0.3‐0.8 torr helium) is studied using a variable‐temp.
ChemInform Abstract: Bromoselenate(II,IV), a Novel Type of Compounds of Mixed Valency.
Authors: KREBS B. , LUEHRS E. + , AHLERS F.‐P.
Published: May 2016

The diamagnetic compounds (III), (V), and (VII) containing the Se(II)/Se(IV) mixed anions (SeIISeIVBr8)2‐, (SeII 2SeIVBr10)2‐, and (SeII 3SeIVBr12)2‐, resp., are synthesized and their structures are studied by XRD ((III): orthorhombic, space group Pnn2, Z=4; (V): monoclinic, P21/n, Z=2; (VII): monoclinic, P21/c, Z=4).
ChemInform Abstract: Preparation and Crystal Data of a Condensed Aluminoarsenate Na(Al1.5As0.5)(As2O7)2.
Authors: DRISS A. , JOUINI T.
Published: May 2016

In the course of an investigation of the acid part of the system Na2O/Al2O3/As2O5 the title phase is obtained.
ChemInform Abstract: NMR Investigations on Stannabicycloundecanes of the Type RSn(CH2CH2CH2)3N.
Authors: MUEGGE C. + , PEPERMANS H. , GIELEN M. , WILLEM R. , TZSCHACH A. , JURKSCHAT K.
Published: May 2016

The 1H, 13C, and 119Sn NMR data for the title compounds (I) are investigated.
ChemInform Abstract: Formation of Monolayer Films by the Spontaneous Assembly of Organic Thiols from Solution Onto Gold.
Authors: BAIN C. D. , TROUGHTON E. B. , TAO Y.‐T. , EVALL J. , WHITESIDES G. M. , NUZZO R. G.
Published: May 2016

Thiols such as (I) form ordered, oriented monolayer films bound through the sulfur when adsorbed from solutions onto gold surfaces.
ChemInform Abstract: 1,2‐Carbonyl Migration Along the Allylic Framework: Synthesis of Alkenylnaphthoquinones.
Authors: MAHIDOL C. , PINYOPRONPANIT Y. , RADVIROONGIT S. , THEBTARANONTH C. , THEBTARANONTH Y.
Published: May 2016

The allylic cyclic 1,3‐dicarboxylates (I), obtained from Meldrum's acid by allylation, undergo base‐catalyzed cleavage and rearrangement to give the diacids (II) which are converted into the diesters (III) or the maleic anhydrides (IV).
ChemInform Abstract: Absolute Rate Expressions for the Abstraction of Hydrogen by Primary, Secondary, and Tertiary Alkyl Radicals from Thiophenol.
Authors: FRANZ J. A. , BUSHAW B. A. , ALNAJJAR M. S.
Published: May 2016

The alkyl radicals (Me3C·, Pr‐CH.
ChemInform Abstract: Aromatic Sulfonation. Part 106. Intermediacy of Phenyl Hydrogen Sulfates in the Sulfonation of Phenols. Sulfonation of Phenol, Anisole, Methyl Phenyl Sulfate, the 2‐Halophenols, a Series of Phenyl Methanesulfonates Together with 2,6‐Dimethylaniline and Its N‐Methylsulfonyl Derivative.
Authors: DE WIT P. , WOLDHUIS A. F. , CERFONTAIN H.
Published: May 2016

In order to gain further information about the electronically directing and steric effect of the ‐O‐SO3H substitutent, the sulfonation of 18 compounds such as (I)‐(IV) with SO3 in MeNO2 at 0 °C is studied (product ratios with reaction time and different amounts of SO3); in addition, (Ia) and (IVa) are sulfonated with conc.
ChemInform Abstract: A New and Practical Method of Decarboxylation: Photosensitized Decarboxylation of N‐Acyloxyphthalimides via Electron‐Transfer Mechanism.
Authors: OKADA K. , OKAMOTO K. , ODA M.
Published: May 2016

The decarboxylation proceeds via readily obtainable N‐acyloxyphthalimides such as (I) with high yields.
ChemInform Abstract: Halogen‐Promoted Selective Carbonylation of Propane in Superacid Media.
Authors: DELAVARENNE S. , SIMON M. , FAUCONET M. , SOMMER J.
Published: May 2016

The selectivity of the carbonylation of propane (I) in superacid medium is highly enhanced by the addition of catalytic amounts of bromide (NaBr, Me4NBr, Br2).
ChemInform Abstract: Facile Synthesis of 2,6‐Dialkylphenols by Cross‐Aromatization of Cyclohexanones with Aldehydes Catalyzed by Zirconocene Complexes.
Authors: NAKANO T. , SHIRAI H. , TAMAGAWA H. , ISHII Y. , OGAWA M.
Published: May 2016

Reaction of the cyclohexanones (I) with the aldehydes (II) in the presence of a metallocene complex results in cross aromatization, producing the 2,6‐dialkylphenols (III).
ChemInform Abstract: Regiospecific Lithiation of Permethylated η6‐Tricarbonylchromium Phenylacetyl(tetracarbonyl)iron Anion: A Versatile Method for the α,α′‐ortho‐Bifunctionalization of Hexamethylbenzene.
Authors: YAOUANC J.‐J. , CLEMENT J.‐C. , DES ABBAYES H.
Published: May 2016

The dilithiated complex (VIII), prepared from hexamethylbenzene (I), is coupled with the organic halides (IX) to give the chromium complexes (XI).
ChemInform Abstract: Synthesis of the New Organic Metal (ET)2C(CN)3 and Characterization of Its Metal‐Insulator Phase Transition at ≅ 180 K.
Authors: BENO M. A. , WANG H. H. , SODERHOLM L. , CARLSON K. D. , HALL L. N. , NUNEZ L. , RUMMENS H. , ANDERSON B. , SCHLUETER J. A. , WILLIAMS J. M. , WHANGBO M.‐H. , EVAIN M.
Published: May 2016

The new conducting title salt, the first 2:1 salt of ET (I) with a planar‐triangular anion, is synthesized in 36% yield by electrocrystallization of a mixture of (I) and the bis(triphenylphosphine)iminium salt of the tricyanomethanide ion.
ChemInform Abstract: Synthesis and Biological Properties of S‐Deoxo Analogues of the Natural Antibiotic Sparsomycin.
Authors: MELIK‐OGYANDZHANYAN R. G. , ARUTYUNYAN A. A. , STEPANYAN G. M. , ARSENYAN F. G. , GARIBDZHANYAN B. T. , KAZARYAN E. V. , TER‐ZAKHARYAN YU. Z. , PARONIKYAN G. M. , SARKISYAN T. P.
Published: May 2016

The dialkoxypyrimidinylacrylic acids (IV), prepared from the ester (I) via the dichloro compound (II), are transformed with isobutyl chloroformate (V) into the mixed anhydrides which are coupled in situ with the amino acid esters (VI) to produce the amides (VII).
ChemInform Abstract: The Trifulvathiane System.
Authors: SCHUMAKER R. R. , RAJESWARI S. , JOSHI M. V. , CAVA M. P. , TAKASSI M. A. , METZGER R. M.
Published: May 2016

With 1, 2, or 3 equiv. of BuLi/(Ia) the mono‐, di‐, and trifulvathianes (II), (IV) and (V), resp., are obtained.
ChemInform Abstract: Synthesis and Mass Spectra of Spirocyclic Silyl Ethers of Diethanolamines.
Authors: URTANE I. P. , ZELCHAN G. I. , LUKEVITS E. , MAHEIKA I. B. , GAUKHMAN A. P.
Published: May 2016

Simultaneous heating of the glycols (I), tetramethoxysilane (II), and the dialkanolamines (III) gives the asymmetric spirocycles (IV).
ChemInform Abstract: Synthesis and Reactions of N‐Alkyl‐O‐diphenylphosphinylhydroxylamines and N‐Alkyl‐N‐diphenylphosphinylhydroxylamines.
Authors: MASSE G. , STURTZ G.
Published: May 2016

The primary amines (I) react with bis(diphenylphosphinyl) peroxide (II) to yield O‐diphenylphosphinylhydroxylamines (III) which rearrange upon heating to form the thermodynamically more stable N‐phosphinylhydroxylamines (IV).
ChemInform Abstract: Organoiodinane Reagents for Phosphate Cleavage: Experimental and Computational Studies.
Authors: MOSS R. A. , WILK B. , KROGH‐JESPERSEN K. , BLAIR J. T. , WESTBROOK J. D.
Published: May 2016

The analogues (I)‐(III) of the valence tautomer (IV) of o‐iodobenzoic acid are examined for their ability to cleave p‐nitrophenyl diphenyl phosphate in aqueous micellar cetyl trimethylammonium chloride at pH 8 to test their nucleophilic properties.
ChemInform Abstract: Methane and Benzene Activation via Transient (tBu3SiNH)2Zr=NSi‐tBu3.
Authors: CUMMINS C. C. , BAXTER S. M. , WOLCZANSKI P. T.
Published: May 2016

During the course of assessing the utility of tBu3SiNH‐ as an ancillary ligand related to tBu3SiO‐, a mode of intermolecular C‐H activation involving addition across a transient zirconium imide is discovered.
ChemInform Abstract: (η5‐C5Me5)2W=O: An Exceptionally Reactive Organometallic Oxo Derivative. Reduction with Dihydrogen and Reaction with Dioxygen Resulting in Insertion of Oxygen into a Tungsten‐Carbon Bond.
Authors: PARKIN G. , BERCAW J. E.
Published: May 2016

The title compound (II) is obtained by reaction of the dichloro derivative (VII) with aqueous KOH in THF.
ChemInform Abstract: Tungsten Complexes of Diphosphanylacetylenes.
Authors: FLUCK E. , KUHM P. , MUELLER A. + , BOEGGE H. +
Published: May 2016

The di‐, mono‐, and trinuclear complexes (III), (IV), and (V), respectively, are obtained by reaction of the corresponding diphosphanylacetylenes (I) with photochemically generated W(CO)5THF (II) depending on the stoichiometry.
ChemInform Abstract: Ferromagnetic Interactions Between t3 2g and e2 g Magnetic Orbitals in a CrIIINiII3 Tetranuclear Compound.
Authors: PEI Y. , JOURNAUX Y. , KAHN O.
Published: May 2016

It is predicted that the exchange interaction between Cr(III) and Ni(II) ions with both in octahedral surroundings might be ferromagnetic.