bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Structural Studies on Bioactive Compounds. Part 5. Synthesis and Properties of 2,4‐Diaminopyrimidine Dihydrofolate Reductase Inhibitors Bearing Lipophilic Azido Groups.
Authors: BLISS E. A. , GRIFFIN R. J. , STEVENS M. F. G.
Published: May 2016

The readily accessible pyrimidine derivative (Ia), which can be converted, for example, to other derivatives (Ib) by standard methods, is reduced by several methods, e.g. as shown in the scheme, in good yields affording the amine (IIIa) which is subsequently transformed to the azide (IIIb).
ChemInform Abstract: 2‐Aminoethylimidazoles. Synthesis of 1,4‐Dimethyl‐5‐phenyl‐2‐(2‐(4‐phenylpiperazinyl)ethyl)imidazole.
Authors: TOJA E. , FERRARI P. , TARZIA G.
Published: May 2016

The benzylaminoethyl phenyl ketone (I) is converted to the protected 1,2‐diamine (V) via the imidazolone (II).
ChemInform Abstract: 1‐Phenethyl‐2,3,4,5‐tetrahydro‐1H‐2‐benzazepines from 2‐Acetyl‐1‐methylene‐2,3,4,5‐tetrahydro‐1H‐2‐benzazepines.
Authors: ALONSO R. , BROSSI A.
Published: May 2016

The methylenetetrahydrobenzazepine (IV), obtained from 3,4‐dimethoxybenzaldehyde (I), is cleaved by treatment with an acid to produce the N‐acetylpropylamine (V).
ChemInform Abstract: Preparation, Properties, and Crystal Structure of (1,2,5)Selenadiazolotetracyanonaphthoquinodimethane.
Authors: SUZUKI T. , KABUTO C. , YAMASHITA Y. , MUKAI T.
Published: May 2016

The selenadiazolonaphthoquinone (I) is coupled with malononitrile (II) in the presence of TiCl4 to give the quinodimethane (III) mentioned in the title.
ChemInform Abstract: Syntheses and Reactions of Aromatic Tellurenic Acids and Their Derivatives.
Authors: HIRABAYASHI Y. , ISHIHARA H. , MANAMI H. , MAZUDA S. , MORITA Y. , FUJIWARA T.
Published: May 2016

Cleavage of the diaryl ditellurides with bromine and subsequent reaction with the silver or sodium benzoates (III) give only low yields of the aryltellurenylbenzoates (IV) and the tellurinyl derivatives (V).
ChemInform Abstract: Stereo‐ and Regioselectivity in the Addition of Benzenetellurolate Ion to Triple Bond.
Authors: TAKAHASHI H. , OHE K. , UEMURA S. , SUGITA N.
Published: May 2016

Sodium benzenetellurolate (II), generated from diphenyl ditelluride and sodium boranate in ethanol, reacts with the alkynes (I) to form the isomeric adducts (III) and (IV).
ChemInform Abstract: Axially Asymmetric Metal Alkyls. Part 5. Synthesis and Reduction to Zr(III) Species of Group 4 Metallepines (ML(η‐C5H5)2) (L: (2‐CHRC6H4)2‐ 2; R: H; M: Ti, Zr, or Hf), Isomers of (ZrL(η‐C5H5)2) (R: SiMe3), and meso‐(M(1,8‐(CHSiMe3)2C10H6)(η‐C5H5)2) (M: Zr or Hf); X‐Ray Crystal Structures of (TiL(η‐C5H5)2) (R: H) and λ‐ and δ‐RS‐(ZrL(η‐C5H5)2) (R: SiMe3).
Authors: ENGELHARDT L. M. , LEUNG W.‐P. , PAPASERGIO R. I. , RASTON C. L. , TWISS P. , WHITE A. H.
Published: May 2016

The synthesis of the metallacyclic complexes (III) by two methods is described.
ChemInform Abstract: Formation of Peroxo Oxalato Complex of Tungsten(VI) Directly from Tungsten Carbide and Hydrogen Peroxide ‐ A New Path to the Total Synthesis of the Organic Compound.
Authors: KUDO T. , SASAKI Y. , HASHIMOTO M. , ICHIDA H. , MATSUMOTO K.
Published: May 2016

Tungsten carbide dissolved in a 15% H2O2 solution gives a heteropolytungstic acid.
ChemInform Abstract: Binuclear Mixed‐Valence Mn(II)Mn(III) Complexes: Insight About the Resolution of Hyperfine Structure in the EPR Spectrum.
Authors: DIRIL H. , CHANG H.‐R. , ZHANG X. , LARSEN S. K. , POTENZA J. A. , PIERPONT C. G. , SCHUGAR H. J. , ISIED S. S. , HENDRICKSON D. N.
Published: May 2016

The complex (I) is prepared by air oxidation of a complex formed from Mn(II) acetate and 4‐methyl‐2,6‐bis‐(di((2‐pyridyl)methyl)aminomethyl)phenolate and crystallized as its perchlorate salt.
ChemInform Abstract: Preparation and Crystal Structures of Bis(tetraphenylarsonium) Tris(oxalato)technetate(IV) and Tetraphenylarsonium Tris(benzene‐1,2‐dithiolato)technetate(V): Octahedral versus Trigonal‐prismatic Geometry for Tris‐bidentate Complexes of Technetium.
Authors: COLMANET S. F. , WILLIAMS G. A. , MACKAY M. F.
Published: May 2016

The reaction of (TcBr6)2‐ with oxalic acid in water gives (I), and the reaction of (TcNCl4)‐ with benzene‐1,2‐dithiol in acetone affords (II).
ChemInform Abstract: Electron Transfer Between Hemoglobin and Arenediazonium Salts. Mechanism of Heme Aryl‐Iron Complex Formation.
Authors: DOYLE M. P. , MAHAPATRO S. N. , GUY J. K. , HESTER M. R. , VAN ZYL C. M. , BOUNDY K. L.
Published: May 2016

Two distinct processes characterize the electron‐transfer reactions between hemoglobin and arenediazonium tetrafluoroborate salts.
ChemInform Abstract: Ruthenium(II)‐Promoted Site Selective Intramolecular Diels‐Alder Syntheses of Rigid Chiral Bidentate Ligands from Phospholes.
Authors: GREEN R. L. , NELSON J. H. , FISCHER J.
Published: May 2016

The intramolecular Diels‐Alder cycloadditions of (II), (V) or (VII) occur readily in high yield (numerical values not given).
ChemInform Abstract: Thermal and Photolytic Reactions of Nitrosyl‐Carbonyl Complexes of Rhodium and Iridium with Triphenylphosphine.
Authors: KUBOTA M. , CHAN M. K. , BOYD D. C. , MANN K. R.
Published: May 2016

The photolysis of the complexes (I) and (V) in the presence of PPh3 (II) results in the expulsion of NO rather than CO and the formation of the complexes (IV) and (VI), respectively.
ChemInform Abstract: The Chloromethylation of Triethylamine in Dichloromethane. Crystal and Molecular Structure of (Chloromethyl)triethylammonium Tetrachloroplatinate(II), (N(C2H5)3(CH2Cl))2(PtCl4).
Authors: MAS M. , SOLA J. , SOLANS X. , AGUILO M.
Published: May 2016

In the reaction system shown leading to the preparation of the platinum aminothiolate complex (III), a side reaction occurs in which the CH2Cl2 solvent acts as alkylating agent towards NEt3, yielding the salt (IV).
ChemInform Abstract: Reaction of Nitrosyl Chloride Gas with Unsaturated Steroids.
Authors: SHAFIULLAH SHAFIULLAH , RAFIUDDIN A. M. , HUSAIN S.
Published: May 2016

Reaction of the cholestadiene (I) with NOCl (II) yields the dinitrochlorocholestene (III), which is reduced to the dione (IV).
ChemInform Abstract: Heteroatomic Linkages and Their Cyclization Products. Part 9. 5‐Alkoxycarbonyl‐1,3‐(6H)‐thiazines, Intermediates in a New Synthesis of Cephems.
Authors: RELIQUET A. , RELIQUET F. , MESLIN J. C. , SHARRARD F. , QUINIOU H.
Published: May 2016

The methylenedihydrothiazines (III) are prepared by cyclocondensation of the acrylates (II) with the thioacylformamidines (I).
ChemInform Abstract: Stereocontrolled Syntheses of (4S,5R)‐ and (4S,5S)‐Dihydroxy‐n‐decanoic Acid‐4‐lactones via Biochemical Methods.
Authors: WANG Y.‐F. , YIIN S.‐L. , CHEN S.‐H.
Published: May 2016

The synthesis of the title compounds (XVII) and (XVIII) is described.
ChemInform Abstract: An Imidazole‐Functionalized Phosphatidylcholine Derivative: Nucleophilic Vesicles with Adjustable Reactivity.
Authors: MOSS R. A. , SCRIMIN P. , BHATTACHARYA S. , SWARUP S.
Published: May 2016

In connection with vesicular studies the nucleophile‐functionalized surfactant (VIII) with a "natural" acylglycerol backbone is prepared as shown in the scheme.
ChemInform Abstract: Growth Parameter Optimization and Tb3+ Sensitization of Ce3+ Activated Y3Al5O12 Phosphor.
Authors: BERKSTRESSER G. W. , SHMULOVICH J. , HUO T. C. D. , MATULIS G.
Published: May 2016

Ce‐activated Y3Al5O12 has been grown by liquid phase epitaxy from a PbO‐B2O3 flux.
ChemInform Abstract: Surface Analysis of Zn1‐xCdxS Phosphors Exposed to UV Light Irradiation.
Authors: ITOH S. , TONEGAWA T. , MORIMOTO K. , KUKIMOTO H.
Published: May 2016

The UV‐induced surface darkening of the title phosphors has been studied by Auger electron spectroscopy, XPS, and XRD.
ChemInform Abstract: Direct Synthesis of a Metal/Superconducting Oxide Composite by Oxidation of a Metallic Precursor.
Authors: YUREK G. J. , VANDER SANDE J. B. , WANG W.‐X. , RUDMAN D. A.
Published: May 2016

It is demonstrated that a Au/EuBa2Cu3O7‐x composite can be synthesized by high temp. oxidation in pure O2 of a alloy containing 12.3 wt.% Eu, 22.3% Ba, 15.4% Cu, and 50% Au.
ChemInform Abstract: Use of an Intercalation Oxide as a Reference Electrode in an All Solid‐State Polymer Electrolyte Photoelectrochemical Cell.
Authors: MARSAN B. , FAUTEUX D. , VIJH A. K.
Published: May 2016

The applicability of the intercalation compound NaxVOy as a reference electrode in a solid state photoelectrochemical cell based on polyether‐Na2S/S electrolyte, n‐CdSe photoanode and an indium‐tin oxide (ITO) counterelectrode is demonstrated.
ChemInform Abstract: The Passive Behavior of Niobium
Authors: HURLEN T. , BENTZEN H. , HORNKJOEL S.
Published: May 2016

has been investigated in the low‐voltage region ((‐1)‐(+4) V vs.
ChemInform Abstract: The Corrosion of Aluminum in Sodium Polysulfides and Sulfur at 350 °C.
Authors: BROWN A. P.
Published: May 2016

The results of static immersion corrosion tests in various polysulfides (i.e., Na2S3, Na2S4, Na2S5) and sulfur show that Al is not compatible with the discharged state of the positive electrode of the sodium/sulfur cell and that the corrosion product in sulfur is only Al3S3.
ChemInform Abstract: Solvation Effects of Aliphatic Amines in Aromatic Solvents.
Authors: SULEK M. W.
Published: May 2016

Heats of solution and heats of transfer from cyclohexane to benzene at 298 K are measured for tri‐n‐octylamine, benzylamine, and amines (I)‐(III).
ChemInform Abstract: Organoboranes for Synthesis. Part 8. Reaction of Organoboranes with Representative Organic Azides. A General Stereospecific Synthesis of Secondary Amines and N‐Substituted Aziridines.
Authors: BROWN H. C. , MIDLAND M. M. , LEVY A. B. , SUZUKI A. , SONO S. , ITOH M.
Published: May 2016

The alkyldichloroboranes (Ia)‐(Ic) react with the azides (II) to afford the secondary amines (III) in excellent yields and with retention of the stereochemistry of the original C‐B bond.
ChemInform Abstract: Chemistry of Acetylenic Titanium Compounds.
Authors: KRAUSE N. , SEEBACH D.
Published: May 2016

Addition of the titanium compound (II) to the aldehydes (I) proceeds at low temperatures to give the propargyl alcohols (III).
ChemInform Abstract: Epoxidation of Some Dicyclopentadiene Derivatives by Monoperphthalic Acid.
Authors: DRYUK V. G. , RYBINTSEVA E. M. , KIVOSHEEVA N. G. , GNEDENKOV L. YU. , MALINOVSKII M. S.
Published: May 2016

Dicyclopentadiene (I) is oxidized with SeO2 to give the 5‐exo‐hydroxy derivative (II) which is epoxidized with either crystalline monoperphthalic acid or with the peracid prepared in situ, producing the diepoxides (III) and (IV) under partial isomerization of (II).
ChemInform Abstract: Amination of N‐Aryl‐1,4‐naphthoquinone Imines with Secondary Aliphatic Amines.
Authors: EKTOVA L. V. , SHISHKINA R. P. , FOKIN E. P.
Published: May 2016

The N‐arylimines (II) and the diimines (IV) of naphthoquinone react with the secondary aliphatic amines (I) to give the 2‐alkylaminonaphthoquinone imines (III) and (V).
ChemInform Abstract: Synthesis of 1,2‐ and 1,7‐Disubstituted Pyrenes.
Authors: VAN DEN BRAKEN‐VAN LEERSUM A. M. , CORNELISSE J. , LUGTENBURG J.
Published: May 2016

Acetoxylation of 2‐nitropyrene (I) with lead tetraacetate (II) gives the isomeric acetoxynitropyrenes (IIIa) and (IVa) which are hydrolyzed, forming the corresponding hydroxy derivatives (IIIb) and (IVb).
ChemInform Abstract: A Double Diels‐Alder Reaction of a C2‐Symmetric Bisdienophile: A New Enantioselective Approach to Natural Loganin.
Authors: TAKANO S. , KUROTAKI A. , OGASAWARA K.
Published: May 2016

The chiral 1,5‐diene (I) reacts with cyclopentadiene (II) to produce the diastereomeric bisadducts (III) and (IV).
ChemInform Abstract: Synthesis and Antimicrobial Activity of Some Furylpropylamine Derivatives.
Authors: KLOCHKOVA I. N. , NORITSINA M. V. , KULIKOVA L. K. , KRASHENINNIKOVA M. K. , KHARCHENKO V. G.
Published: May 2016

Reaction of the furylpropylamines (I) with the iso(thio)cyanates (II) gives the (thio)urea derivatives (III).
ChemInform Abstract: Radical Cyclization via Dichloromethyl Radical. Stereoselective Synthesis of cis‐2,4‐Disubstituted Pyrrolidine Derivatives.
Authors: WATANABE Y. , UENO Y. , TANAKA C. , OKAWARA M. , ENDO T.
Published: May 2016

Radical‐induced cyclization of the allylic tosyloxyalkylamine (I) yields the isomeric pyrrolidines (II).
ChemInform Abstract: Regioselectivity in the 1,3‐Dipolar Cycloaddition of Nitrile Oxides to Alkylidenecyclopropanes.
Authors: BRANDI A. , CARLI S. , GUARNA A. , DE SARLO F.
Published: May 2016

Acetonitrile oxide (I) is coupled with the alkylidenecyclopropanes (II) to give the spirocyclic isoxazolines (III) and (IV).
ChemInform Abstract: Acid‐Catalyzed Rearrangements of 5,6‐exo‐Epoxy‐7‐oxabicyclo(2.2.1)hept‐2‐yl Derivatives. Migratory Aptitudes of Acyl vs. Alkyl Groups in Wagner‐Meerwein Transpositions.
Authors: LE DRIAN C. , VOGEL P.
Published: May 2016

The title rearrangement of the compounds (I) is influenced by the substituents at C‐2. In the case of (Ia)‐(Ic) the products (III), (V) and (VII) are formed via 1,2‐bond shifts involving alkyl‐ or acyl‐group migrations.
ChemInform Abstract: Hydroxylation and Bromination of Indolines and Tetrahydroquinoline in Superacids.
Authors: BERRIER C. , JACQUESY J. C. , JOUANNETAUD M. P. , RENOUX A.
Published: May 2016

Reaction of the title compounds (I) with H2O2 in SbF5/HF yields the isomeric hydroxylated compounds (II) and (III).
ChemInform Abstract: A Facile Synthesis of 1,2,3,4‐Tetrahydroisoquinolines Through Cyclization of O,N‐Acetals.
Authors: KUBO A. , SAITO N. , KAWAKAMI N. , MATSUYAMA Y. , MIWA T.
Published: May 2016

The title compounds (VII) are prepared from the benzaldehydes (I) by consecutive condensation with nitromethane (II), reduction, reductive alkylation, and reaction with paraformaldehyde (V) and ethanol (VI), followed by acid‐catalyzed cyclization.
ChemInform Abstract: The Reaction of Carboxylic Acid Chlorides with 2,4‐Bis(4‐methoxyphenyl)‐1,3,2,4‐dithiadiphosphetane 2,4‐Disulfide.
Authors: YOUSIF N. M. , SALAMA M. A.
Published: May 2016

The carboxylic acid chlorides (I) react with Lawesson's reagent (II) to produce a mixture of the isomeric acyl and thioacyl chlorophosphonates (III) and (IV).
ChemInform Abstract: Phosphoranes with P‐H Bond as Broenstedt Acids. Reactivity of Their Conjugated Bases. Synthesis of New Ionic Phosphoranes.
Authors: LAMANDE L. , MUNOZ A.
Published: May 2016

The hydridospirophosphoranes (I) are oxidized by the chalcones (II) in the presence of triethylamine (III) to form the salts (IV) which are methylated, yielding the spiroorthophosphates (VI).
ChemInform Abstract: New Synthesis of Dialkoxythioxaphosphoranesulfenyl Bromides and Chlorides.
Authors: LOPUSINSKI A. , POTRZEBOWSKI M.
Published: May 2016

Bromination of the dialkyl dithiophosphates (I) yields the thiophosphoryl disulfides (II) which are transformed into the sulfenyl bromides (III) by further bromination.
ChemInform Abstract: Synthesis of Pyrazinodithiadiselenafulvalenes. New Unsymmetrical π‐Donors.
Authors: PAPAVASSILIOU G. C. , YIANNOPOULOS S. Y. , ZAMBOUNIS J. S. , KOBAYASHI K. , UMEMOTO K.
Published: May 2016

2,3‐Dichloropyrazine (Ia) is treated consecutively with sodium hydrogen selenide (II) and thiophosgene (III) to produce the diselenolethione (IV) which is converted to the corresponding diselenolone (Va).
ChemInform Abstract: 1,3‐Migration of a Methyl Group from Tin to Silicon via a Cationic Intermediate.
Authors: DHAHER S. M. , EABORN C. , SMITH J. D.
Published: May 2016

Substitution reaction of the tin chlorides (I) with the silver salts (II) yields the tin compounds (III).
ChemInform Abstract: Arene Complexes with an Inverse Sandwich Structure: The 1:2 Complexes of Hexamethylbenzene with SbCl3, SbBr3, BiCl3, and BiBr3.
Authors: SCHMIDBAUR H. , NOWAK R. , SCHIER A. , WALLIS J. M. , HUBER B. , MUELLER G. +
Published: May 2016

Hexamethylbenzene (I) forms with the halides (II) the stable complexes (III) with an inverse sandwich structure.
ChemInform Abstract: Structure and Color of Pentaphenylbismuth.
Authors: SCHMUCK A. , BUSCHMANN J. , FUCHS J. , SEPPELT K.
Published: May 2016

The molecular and crystal structure (P1; Z=2) of the title compound is studied.
ChemInform Abstract: Mo(II) and Mo(0) Complexes of 3,3,7,7,11,11,15,15‐Octamethyl‐1,5,9,13‐tetrathiacyclohexadecane.
Authors: YOSHIDA T. , ADACHI T. , UEDA T. , WATANABE M. , KAMINAKA M. , HIGUCHI T.
Published: May 2016

The paramagnetic dibromo complex (III) is obtained by the reaction of (Ia) with the ligand (II).
ChemInform Abstract: (CO)(HCCCMe3)2W(X=C(Ph)H) (X: S, Se). Two Unusual Heteroaldehyde(alkyne)carbonyl Complexes.
Authors: FISCHER H. , GERBING U. , MUELLER G. + , ALT H. G.
Published: May 2016

The reaction of the thio‐ and selenobenzaldehyde complexes (I) with the alkyne (II) leads to substitution of four CO ligands by two molecules of (II) with formation of the title complexes (III).
ChemInform Abstract: Kinetics of 1,3‐Dipolar Cycloadditions of Dimethylacetylenedicarboxylate to LCo(AcAc)2N3.
Authors: HSIEH B. T. , NELSON J. H. , MILOSAVLJEVIC E. B. , BECK W. , KEMMERICH T.
Published: May 2016

The complexes (IV) are prepared as shown and characterized by IR, 1H and 13C(1H) NMR spectroscopy and cyclic voltammetry.
ChemInform Abstract: Synthesis and Catalytic Properties of Some Open‐Sided Binuclear Complexes of Rh(I); the Structure of (Rh2(CO)2(CH3CN)2(CH(PPh2)3)(CF3SO3)2).
Authors: EL‐AMOURI H. , BAHSOUN A. A. , FISCHER J. , OSBORN J. A.
Published: May 2016

The ligands L in (III) may be triflate ions in the solid state.
ChemInform Abstract: Laser Dyes. Part 5. Synthesis of Plane Rigidized Heptamethinecyanine Dyes.
Authors: HEILIG G. , LUETTKE W. +
Published: May 2016

The synthesis of the anthracene derivatives (VI), (VIII), (X), (XII) and (XIII) is described.
ChemInform Abstract: General Synthesis of Ketones from Carboxylic Esters and Carboxamides by Use of Mixed Organolithium‐Magnesium Reagents: Syntheses of Artemisia Ketone.
Authors: FEHR C. , GALINDO J. , PERRET R.
Published: May 2016

The title reagents convert the hardly or non‐enolizable esters (I), (XI), (XVI), and (XIX) into ketones, which are protected from further reaction by the formation of enolates.
ChemInform Abstract: Microwave Spectrum, Inversion, and Molecular Structure of Monofluoramine, FNH2.
Authors: CHRISTEN D. , MINKWITZ R. , NASS R.
Published: May 2016

Analysis of the microwave spectra of the new title molecule, generated by low temp. (‐30 °C) pyrolysis of the salt H3NF+HF2‐·nH2O, and its deuteriated isotopomers yields data on the molecular structure, dipole moment, quadrupole coupling, and barrier to inversion.
ChemInform Abstract: Reactions of NO3 and N2O5 with Molecular Species of Possible Atmospheric Interest.
Authors: CANTRELL C. A. , DAVIDSON J. A. , SHETTER R. E. , ANDERSON B. A. , CALVERT J. G.
Published: May 2016

In order to obtain more informations about the influence of the NO3 radical in tropospheric chemistry, the rate constant upper limits for the reaction of NO3 (and/or N2O5) with HCl, ClNO, H2S, NH3, N2O, MeCN and CH4 are determined.
ChemInform Abstract: Characterization of the Perhydroxytitanyl(2+) Ion in Acidic Aqueous Solution. Products and Kinetics of Its Decomposition.
Authors: ROTZINGER F. P. , GRAETZEL M. +
Published: May 2016

Peroxotitanium(IV) is shown to have the composition Ti(O2)2+ and its stability constant has been determined.
ChemInform Abstract: Mechanism of the Reaction of Nitric Oxide, Ammonia, and Oxygen over Vanadia Catalysts. Part 1. The Role of Oxygen Studied by Way of Isotopic Transients under Dilute Conditions.
Authors: JANSSEN F. J. J. G. , VAN DEN KERKHOF F. M. G. , BOSCH H. , ROSS J. R. H.
Published: May 2016

The mechanism of the selective reduction of NO with NH3 in the presence of labeled oxygen has been investigated over a series of vanadia catalysts (unsupported V2O5, V2O5/TiO2, V2O5/Al2O3, and V2O5/SiO2‐Al2O3).
ChemInform Abstract: N‐Chloro‐nitrene Complexes of Molybdenum: MoF4(NCl) and (MeCN‐MoF4(NCl)).
Authors: FENSKE D. , VOELP K. + , DEHNICKE K.
Published: May 2016

The title compounds are prepared according to the scheme.
ChemInform Abstract: Determination of Stability Constants of Some Substituted 4‐Pyrazolone Dyes Containing o‐Methoxy, o‐Carboxy, and o‐Nitro Groups with Trivalent Lanthanoid Ions
Authors: EL‐SHETARY B. A. , STEFAN S. L. , ZIDAN F. I. , EL‐MARAGHY S. B.
Published: May 2016

(such as La3+, Ce3+, Pr3+, Nd3+, and Sm3+‐Lu3+).
ChemInform Abstract: A General Treatment of Nucleophilic Chemistry.
Authors: METIVIER P. , GUSHURST A. J. , JORGENSEN W. L.
Published: May 2016

A computer program called CAMEO has been developed for the mechanistic discussion of nucleophilic reactions.
ChemInform Abstract: Dilithiation of α,β‐Disubstituted Activated Olefins: α,β‐Dilithiocinnamonitrile.
Authors: FEIT B.‐A. , HAAG B. , SCHMIDT R. R.
Published: May 2016

The cinnamonitriles (I) are treated with excess LDA to produce the α,β‐dilithio derivatives which are quenched with various electrophiles: deuteration with MeOD yields exclusively the trans dideuterocinnamonitrile (II).
ChemInform Abstract: Atom Transfer Cycloaddition. A Facile Preparation of Functionalized (Methylene)cyclopentanes.
Authors: CURRAN D. P. , CHEN M.‐H.
Published: May 2016

Sunlamp irradiation of the butynyl iodide (I) and the alkenes (II) in the presence of hexabutylditin affords mixtures of the exo‐cyclization products (E)‐ (III) and (Z)‐ (IV) and the endo‐cyclization products (V), the former being the main products.
ChemInform Abstract: Effect of Metal Ions in Organic Synthesis. Part 33. 2‐Hydroxy‐4‐pyrrolines as Stable Intermediates in the Synthesis of 1‐Aminopyrrole Derivatives.
Authors: ATTANASI O. A. , GROSSI M. , SERRA‐ZANETTI F. , FORESTI E.
Published: May 2016

Reaction of the azoalkenes (I) with the diketones or ketoesters (II) in the presence or absence of CuCl2 leads either to the pyrroles (III) or to the pyrrolines (IV); the latter are easily converted to (III).
ChemInform Abstract: Novel Synthesis of the Pyrrole Ring.
Authors: VOSHCHULA V. N. , DULENKO V. I.
Published: May 2016

Condensation reaction of (meth)allyltosyl amide (I) with acetic anhydride (II) in the presence of perchloric acid yields the oxazolinium salts (III) which are hydrolyzed to give the substituted pyrroles (IV).
ChemInform Abstract: Synthesis and Antidepressant Properties of Novel 2‐Substituted 4,5‐Dihydro‐1H‐imidazole Derivatives.
Authors: WENTLAND M. P. , BAILEY D. M. , ALEXANDER E. J. , CASTALDI M. J. , FERRARI R. A. , HAUBRICH D. R. , LUTTINGER D. A. , PERRONE M. H.
Published: May 2016

Reaction of the benzo‐fused cycloalkanones (I) with the phosphonates (II) gives the intermediates (III) which react with the diamines (IV) and (VII), yielding the imidazolines (V) and the tetrahydropyrimidine derivative (VIII).
ChemInform Abstract: Direct Experimental Evidence for Cleavage of Both Exo‐ and Endocyclic C‐O Bonds in the Acid‐Catalyzed Reaction of Alkyl β‐Tetrahydropyranyl Acetals.
Authors: GUPTA R. B. , FRANCK R. W.
Published: May 2016

Concrete experimental evidence is provided which demonstrates that in proton catalyzed solvolysis there is the possibility for both exo‐ and endocyclic C‐O bond cleavages of THP acetals.
ChemInform Abstract: Analogues of 3‐Ethyl‐3‐(4‐pyridyl)piperidine‐2,6‐dione as Selective Inhibitors of Aromatase: Derivatives with Variable 1‐Alkyl and 3‐Alkyl Substituents.
Authors: LEUNG C.‐S. , ROWLANDS M. G. , JARMAN M. , FOSTER A. B. , GRIGGS L. J. , WILMAN D. E. V.
Published: May 2016

The piperidinediones (VI), which inhibit human placental aromatase, are prepared by alkylation of the cyanide (I) with the alcohols (II), yielding (III), followed by phase‐transfer catalyzed addition reaction of acrylonitrile (IV) to form the dinitriles (V).
ChemInform Abstract: Synthesis of Pyrrole, Pyrrolo(3,4‐b)pyridine, and Pyrrolo(3,2‐b)pyridine Derivatives.
Authors: EL‐BANNANY A. A. A. , IBRAHIM L. I.
Published: May 2016

Ethyl benzylidenecyanoacetate (I) undergoes ring closure with hippuric acid (II) to give the pyrrolinone (III) which is coupled with acetylacetone (IVa), ethyl acetoacetate (IVb), malononitrile (VI), and ethyl cyanoacetate (VIII) to produce the pyrrolopyridines (V), (VII), and (IX).
ChemInform Abstract: Pyridonecarboxylic Acids as Antibacterial Agents. Part 9. Synthesis and Antibacterial Activity of 1‐Substituted 6‐Fluoro‐1,4‐dihydro‐4‐oxo‐7‐ (4‐pyridyl)‐1,8‐naphthyridine‐3‐carboxylic Acids.
Authors: NISHIMURA Y. , MATSUMOTO J.
Published: May 2016

Coupling of the amine (I) with the malonate (II) gives the vinylic amine (III) which produces the pyridone (IV) on heating.
ChemInform Abstract: Synthesis and Thermolysis of Haloalkoxy(thio)‐sym‐triazines. Part 12. Synthesis and Some Transformations of 2‐Dialkylamino‐4‐oxo‐6‐cyanodihydrothiazolo‐sym‐triazines.
Authors: DOVLATYAN V. V. , ELIAZYAN K. A. , AZATYAN A. V.
Published: May 2016

The mercaptotriazines (I) react with 2,3‐dichloropropionitrile or 2‐chloroacrylonitrile to give the S‐alkylated triazines (IV).
ChemInform Abstract: A Silicon‐Nitrogen Analogue of the (PPN)+ Cation: Synthesis and Structural Characterization of the (Ph3SiNSiPh3)‐ Ion.
Authors: BARTLETT R. A. , POWER P. P.
Published: May 2016

Treatment of the crowded disilylamine (III), prepared as shown from (I), with BuLi (IV) and the crown ether (V) results in the isolation of the complex (VI), which has the novel title anion as part of its crystal lattice.
ChemInform Abstract: Synthesis and Rearrangements of ortho‐Selenonium Phenoxides.
Authors: MARINO J. P. , DAX S.
Published: May 2016

The 2‐alkadienyl‐3‐methoxyphenols (I) react with diphenylselenium bis‐(trifluoroacetate) (II) to give the selenonium phenoxides (III) and/or the phenoxyphenyl selenides (IV).
ChemInform Abstract: Tetranuclear Iron‐Oxo Complexes. Synthesis, Structure, and Properties of Species Containing the Nonplanar (Fe4O2)8+ Core and Seven Bridging Carboxylate Ligands.
Authors: ARMSTRONG W. H. , ROTH M. E. , LIPPARD S. J.
Published: May 2016

The new title complexes (IV) are prepared and (IVa) is characterized by a crystal structure determination (space group P21, Z=2).
ChemInform Abstract: Improved Synthesis and Antitumor Activity of 1‐Deazaadenosine.
Authors: CRISTALLI G. , FRANCHETTI P. , GRIFANTINI M. , VITTORI S. , BORDONI T. , GERONI C.
Published: May 2016

1‐Deazaadenosine (VI) is prepared from the N‐oxide (I) as shown in the reaction scheme.
ChemInform Abstract: A Novel Synthesis of Ikarugamycin: The Carbocyclic Portion.
Authors: WHITESELL J. K. , MINTON M. A.
Published: May 2016

The enantiomeric esters (Ia) and (Ib) are used as starting materials for the preparation of the synthons (II) and (III), respectively.
ChemInform Abstract: Enantioselective Conversion of Anthranilic Acid Derivatives to Chiral Cyclohexanes. Total Synthesis of (+)‐Pumiliotoxin C.
Authors: SCHULTZ A. G. , MCCLOSKEY P. J. , COURT J. J.
Published: May 2016

Enantioselective Birch reduction of the pyrrolobenzodiazepines (I) and subsequent protonation with NH4Cl leads to the cis‐ or trans‐fused products (II) or (III).
ChemInform Abstract: Biomimetic Ferric Ion Carriers. A Chiral Analogue of Enterobactin.
Authors: TOR Y. , LIBMAN J. , SHANZER A. , LIFSON S.
Published: May 2016

The binder (Ic) forms Ga3+ and Fe3+ complexes comparable in strength and configuration to those of enterobactin (III).
ChemInform Abstract: The System V2O5‐Na2O‐MnO‐Mn2O3.
Authors: SURAT L. L. , FOTIEV A. A. , DOBOSH V. G.
Published: May 2016

The phase equilibria of the title system are determined within the subsolidus region.
ChemInform Abstract: Investigation of Materials Based on Intermetallic Compounds (IMC) of the CeNi3‐CeCo3 System and a Polymeric Binding Material.
Authors: PETRII O. A. , SEMENENKO K. N. , KOROBOV I. I. , VASINA S. YA. , KOVRIGINA I. V. , BURNASHEVA V. V.
Published: May 2016

Electrodes made of the title materials, using polytetrafluoroethylene as the binding material, are shown to interact with hydrogen in a similar way as an individual IMC does.
ChemInform Abstract: Preparation of Highly Concentrated Solutions and of Anhydrous Hydrogen Peroxide.
Authors: TITOVA K. V. , KOLMAKOVA E. I. , ROSOLOVSKII V. YA.
Published: May 2016

A method, practicable for laboratory use, is described for the preparation of highly concentrated and of anhydrous H2O2.
ChemInform Abstract: Further Metastable Compounds with Tunnel Structure BaCa2Er10O18 and BaCa2Yb10O18
Authors: MUELLER‐BUSCHBAUM HK. + , MEVS H.
Published: May 2016

are prepared as single crystals using the high‐temp.
ChemInform Abstract: Formation of β‐LiFe5O8 from Aqueous Suspensions and Its Properties.
Authors: KIYAMA M. , KURATA T. , TAKADA T.
Published: May 2016

The products, obtained by aging (40‐90 °C) or by autoclaving (at ≥ 120 °C) of alkaline suspensions containing Fe(III) and excess LiOH, are identified by XRD, BET surface area measurements, and TEM.
ChemInform Abstract: Asymmetric Reduction of Ketones by the Complex of Lithium Aluminum Hydride with (‐)‐N‐(α‐Phenylethyl)ethylenediamine.
Authors: POTAPOV V. M. , GRACHEVA R. A. , SAVINA S. A.
Published: May 2016

Starting from (‐)‐α‐phenylethylamine (‐)‐(I) the novel chiral title reagent (‐)‐(IV) is prepared.
ChemInform Abstract: Dinickel and Dicopper Complexes with N,N‐Linked Bis(cyclam) Ligands. An Ideal System for the Investigation of Electrostatic Effects on the Redox Behavior of Pairs of Metal Ions.
Authors: CIAMPOLINI M. , FABBRIZZI L. , PEROTTI A. , POGGI A. , SEGHI B. , ZANOBINI F.
Published: May 2016

A novel family of bis(macrocycles) (Ib), (Id) is prepared starting with (II) which is obtained from cyclam.
ChemInform Abstract: 1,2‐Carbonyl Transposition with Concomittant Dehydrogenation in 1,5‐Dimethylbicyclo(3.3.0)octane‐3,7‐dione.
Authors: QUAST H. , HERKERT T. , KLAUBERT C. A.
Published: May 2016

Improvements are reported for the conversion of the diketone (I) into the mixture of dienes (II) and (III).
ChemInform Abstract: Copper(I)‐Activated Addition of Grignard Reagents to Nitriles. Synthesis of Ketimines, Ketones, and Amines.
Authors: WEIBERTH F. J. , HALL S. S.
Published: May 2016

Copper(I)‐catalyzed coupling of the nitriles (I) with the Grignard reagents (II) produces the intermediates (III).
ChemInform Abstract: Evaluation of Some Benzenesulfonylhydrazones of Aryl Aldehydes and Ketones as Antiepileptic Agents.
Authors: DIMMOCK J. R. , BRENNER J. M. , PHILLIPS O. A.
Published: May 2016

The substituted benzenesulfonylhydrazones (III) and (V) are prepared from the carbonyl compounds (I) and (IV) and the sulfonylhydrazines (II).
ChemInform Abstract: Synthesis and Stereochemistry of Novel Triarylmesitylenes. Bases for Rigid Tridentate Ligands.
Authors: KATZ H. E.
Published: May 2016

The triarylmesitylenes (III) are prepared from the tribromomesitylene (I) and the arylboronic acids (II).
ChemInform Abstract: The Chemistry of Ethyl 2‐Ethoxycarbonyl‐5,5‐diphenylpenta‐2,3,4‐trienoate, a Potential Precursor of Ph2C=C=C=C=C=O.
Authors: BROWNE N. R. , BROWN R. F. C. , EASTWOOD F. W. , FALLON G. D.
Published: May 2016

Wittig reaction between (I) and (II) affords the title diester (III), which undergoes cyclization in conc.
ChemInform Abstract: Studies on Uricosuric Diuretics. Part 2. 6,7‐Dichloro‐4‐nitro‐, 6,7‐Dichloro‐4‐sulfamoyl‐, and 6,7‐Dichloro‐4‐acyl‐2,3‐dihydrobenzofuran‐2carboxylic Acids.
Authors: HARADA H. , MATSUSHITA Y. , YODO M. , NAKAMURA M. , YONETANI Y.
Published: May 2016

Derivatives Studies on Uricosuric Diuretics.
ChemInform Abstract: Reaction of Hydrazonyl Chlorides and Carboalkoxymethylene Triphenylphosphoranes to Give 5‐Alkoxy Substituted Pyrazoles.
Authors: PADWA A. , MACDONALD J. G.
Published: May 2016

The hydrazonyl chloride (I) is coupled with the alkylidenephosphoranes (IIa) and (IIb) to form the pyrazoles (IIIa) and (IIIb).
ChemInform Abstract: Synthesis and Biological Activity of Thiazolo‐ and Phenylthiazolo‐2‐ (carboxamido)pyrazoline and ‐isoxazoline Derivatives.
Authors: MANDAL N. K. , SINHA R. , BANERJEE K. P.
Published: May 2016

The 2‐acetoacetamidothiazoles (I) are coupled with the aromatic aldehydes (II) to produce the unsaturated 1,3‐diketones (III) which are cyclized with hydrazine hydrate (IV) and acetic acid (V), phenylhydrazine (VII), or hydroxylamine hydrochloride (IX), yielding the title compounds (VI), (VIII), or (X).
ChemInform Abstract: Pyrrolocoumarin Derivatives as Potential Photoreagents Toward DNA.
Authors: RODIGHIERO P. , CHILIN A. , PASTORINI G. , GUIOTTO A.
Published: May 2016

4‐Methyl‐7‐aminocoumarin (I) is converted to the hydrazine (II) which undergoes cyclocondensation with the ketones (III), (VII), or (VIII) to form the isomeric pyrrolocoumarin derivatives (V) and (VI) or (IX) and (X).
ChemInform Abstract: Heterocyclic Systems. Part 7. Synthesis of 1H‐Pyrazolo(3,4‐e)indolizine Derivatives.
Authors: STEFANCICH G. , CORELLI F. , MASSA S. , SILVESTRI R. , DI SANTO R.
Published: May 2016

Starting with the 3‐pyrrolidinylpyrazole‐4‐carboxylate (I), the title compounds (VI) are prepared.
ChemInform Abstract: Reaction of 1,1‐Bis(bromomethyl)cyclopropane with Triphenylphosphine. An Example of Facile Nucleophilic Cleavage of the Three‐Membered Ring of Non‐Activated Cyclopropanes.
Authors: ZEFIROV N. S. , KUZNETSOVA T. S. , KOZHUSHKOV S. I. , POTEKHIN K. A. , MALEEV A. V. , STRUCHKOV YU. T.
Published: May 2016

The reaction between the title compounds (I) and (II) yields the ring‐opened product (III) instead of the expected 1,1‐bis(methyltriphenylphosphonium)cyclopropane dibromide.
ChemInform Abstract: Synthesis of Phosphacoumarins and Phosphonocoumarins. Two New Classes of Fluorescent Dyes.
Authors: CHEN C. H. , FOX J. L. , LIPPERT J. L.
Published: May 2016

The salicylaldehydes (I) and (V) react with triethyl phosphonoacetate (II) to give the cyclization products (III) and (IV) or (VI) and (VII).
ChemInform Abstract: Lewis Acidity of Germanium(II) in a η5‐closo‐Germacarborane: Synthesis and Structure of 1‐(2,2′‐Bipyridine)‐2,3‐bis(trimethylsilyl)‐2,3‐dicarba‐1‐germa‐closo‐heptaborane(6).
Authors: HOSMANE N. S. , SIRIWARDANE U. , ISLAM M. S. , MAGUIRE J. A. , CHU S. S. C.
Published: May 2016

The closo‐germacarborane (I) reacts with the Lewis base (II) to yield the air‐sensitive, crystalline title complex (III).
ChemInform Abstract: Oxidation/Reduction Chemistry of Iron Carbonyl Clusters Containing Germanium, Tin, or Lead: Crystal and Molecular Structures of (Et4N)2(Fe3(CO)9(μ3‐CO)(μ3‐Ge(Fe(CO)4))) and Pb(Fe2(CO)8)2.
Authors: WHITMIRE K. H. , LAGRONE C. B. , CHURCHILL M. R. , FETTINGER J. C. , ROBINSON B. H.
Published: May 2016

In the reaction of (I) with GeI2, (III) is produced along with (NEt4) (HFe(CO)11), while GeCl4 causes oxidation of (I) to give (V) with no evidence of formation of clusters.
ChemInform Abstract: Insertion of Manganese and Cobalt into Octaethylporphyrin N‐Oxide. Formation of Layered Diporphyrin Structures Joined Through M‐O‐N Links.
Authors: ARASASINGHAM R. D. , BALCH A. L. , OLMSTEAD M. M. , RENNER M. W.
Published: May 2016

Treatment of octaethylporphyrin N‐oxide with Mn(II) acetate in ammoniacal MeOH (reflux, 24 h) or Co(II) acetate (25 °C) produces the metal(III) complex cations (I).
ChemInform Abstract: Single, Double, Triple, and Quadruple Arbuzov‐Like Demethylation of (Pt(P(OMe)3)4)2+.
Authors: BAO Q.‐B. , BRILL T. B.
Published: May 2016

The Pt complexes (I) and (VIII) in the presence of chloride undergo transformation to yield the single Arbuzov reaction products (II) and (IX), respectively.
ChemInform Abstract: Partial Syntheses of Diastereomeric Carotenols.
Authors: SLIWKA H.‐R. , LIAAEN‐JENSEN S.
Published: May 2016

The application of the Mitsunobu reaction is tested on (R,R)‐zeaxanthin (I), giving either the meso‐isomer (III) or the (S,S)‐isomer (VI).
ChemInform Abstract: Amino Acids and Peptides. Part 63. Peptide Synthesis via N‐ or O‐Activation of Amino Acids with 1,2‐Dihydro‐4,6‐dimethyl‐2‐thioxo‐3‐pyridinecarbonitrile. ‐ Synthesis of the 8‐11 Tetrapeptide Sequence of Cyclosporin.
Authors: SCHMIDT U. , POTZOLLI B.
Published: May 2016

Peptides and N‐methyl peptides such as (V), (VI) or (XI) can be prepared nearly free of racemization by two methods.
ChemInform Abstract: The Synthesis of Novel Phospholipids Related to Ethylenediamine.
Authors: ANSON M. S. , MCGUIGAN C.
Published: May 2016

Substitution reaction of 2‐chloro‐1,3‐dimethyl‐1,3,2‐diazaphosphacyclopentane (I) with the alcohols (II) produces the phosphites (III) which are oxidized with dinitrogen tetroxide to give the phosphates (IV).
ChemInform Abstract: A New Dihydrothiazine Ring Closure for the Preparation of 3‐Methylcephalosporins from Azetidinone Disulfides at 5‐10 °C.
Authors: DAVIS M. , WU W.‐Y.
Published: May 2016

On treatment with NH4OAc the disulfides (I) are smoothly cyclized to give the title cephalosporins (II), while the free acid (III) reacts to afford the disulfide (IV).
ChemInform Abstract: Synthesis of Heterocyclic Compounds from Bifunctional Organic Hydroxylamine Derivatives
Authors: TIKHONOV A. YA. , VOLODARSKII L. B.
Published: May 2016

Review: (70 refs.
ChemInform Abstract: Investigation of the Hydration of Zeolite NaA by Two‐Dimensional 23Na Nutation NMR.
Authors: TIJINK G. A. H. , JANSSEN R. , VEEMAN W. S.
Published: May 2016

From two‐dimensional 23Na spectra of zeolite NaA as a function of water content the following can be concluded: In dry NaA two Na sites can be detected, at the 6‐rings and at the 8/4‐rings.
ChemInform Abstract: Facile Conversion of a Coordinated Nitro Group into an Aqua Group: Acid‐Induced Nitro‐to‐Nitrito Rearrangement.
Authors: JACKSON W. G.
Published: May 2016

(NH3)5CoNO22+ reacts rapidly with pure anhydrous CF3SO3H yielding the aqua species (NH3)5CoOH23+.
ChemInform Abstract: Trivacant Heteropolytungstate Derivatives. Part 3. Rational Syntheses, Characterization, Two‐Dimensional 183W NMR, and Properties of P2W18M4(H2O)2O10‐ 68 and P4W30M4(H2O)2O16‐ 112 (M: Co, Cu, Zn).
Authors: FINKE R. G. , DROEGE M. W. , DOMAILLE P. J.
Published: May 2016

A detailed description of the synthesis conditions for the title compounds are given.
ChemInform Abstract: Crystal Structure of a 1,4‐Dihydropyridine with Enantiomers Showing Opposite Effects on Calcium Channels: Structural Features of Calcium Channel Agonists and Antagonists.
Authors: FOSSHEIM R.
Published: May 2016

While (S)‐(I) (space group Cc, Z=4) enhances Ca2+ influx across the cell membrane (agonist) the (R)‐enantiomer acts oppositely as an antagonist, causing relaxation of smooth muscle.
ChemInform Abstract: A Priori Calculations of pKa′s for Organic Compounds in Water. The pKa of Ethane.
Authors: JORGENSEN W. L. , BRIGGS J. M. , GAO J.
Published: May 2016

The simulation methodology developed is applied for the pKa's of MeCN and ethane relative to Me‐SH.
ChemInform Abstract: Synthesis and Reactions of Diazocarbonyl Compounds. Part 2. Reaction of Amino‐1‐diazoalkan‐2‐ones with Electrophilic Agents.
Authors: SIPYAGIN A. M. , KARTSEV V. G.
Published: May 2016

The reactions of the aminodiazoketones (I) with electrophilic agents, such as the anhydrides (II), various acid chlorides (e.g.
ChemInform Abstract: Asymmetric Reduction of Prochiral α,β‐Acetylenic Ketones with Potassium 9‐0‐(1,2: 5,6‐Di‐O‐isopropylidene‐α‐D‐glucofuranosyl)‐9‐boratabicyclo(3.3.1)nonane.
Authors: CHO B. T. , PARK W. S.
Published: May 2016

Chiral alcohols are obtained from the title reduction of the ketones (I), (III) and (V).
ChemInform Abstract: Reaction of 1‐Hydrazinoanthraquinone with Aryl or Alkyl Isocyanates.
Authors: LOSKUTOV V. A. , SAVEL'EV V. A. , KOMISSARUK O. V.
Published: May 2016

Reaction of the hydrazinoanthraquinone (II) with the isocyanates (I) gives the (1:1) adducts (III) or the (1:2) adducts (IV) depending on the molar ratio.
ChemInform Abstract: A Stereocontrolled Synthesis of 3‐(1′‐Hydroxyethyl)‐2‐azetidinones Through Trimethylsilyl Trifluoromethanesulfonate Catalyzed Condensation of Silyl Ketene Acetal Derived from Ethyl 4‐Hydroxybutyrate and Imine.
Authors: GUANTI G. , NARISANO E. , BANFI L.
Published: May 2016

The β‐hydroxy ester (I) is converted to the β‐siloxy silyl ketene acetal (III) which reacts with benzalaniline (IV), producing the α‐(aminobutyl)‐β‐siloxy ester (V) which is desilylated to give (VI).
ChemInform Abstract: Aroylnitrile Oxide Cyclizations. Part 1. Synthesis of (3‐Aroyl‐1,2,4oxadiazol‐5‐yl)acetic Acids.
Authors: TEGELER J. J. , DIAMOND C. J.
Published: May 2016

The nitrile oxides (II), prepared in situ from the hydroxamoyl chlorides (I), are coupled with malononitrile (III) to give the oxadiazoles (IV) which are converted to the derivatives (V) ‐ (VIII).
ChemInform Abstract: A Three‐Step Procedure for the Conversion of γ‐Lactones into δ‐Lactones.
Authors: THEIL F. , COSTISELLA B. , GROSS H. , SCHICK H. , SCHWARZ S.
Published: May 2016

γ‐Lactones with a wide range of functional groups, e.g. (I), (VI), (VIII), (X), can be transformed to corresponding δ‐lactones such as (V), (VII), (IX), (XI) in a three‐step procedure as exemplified for (V) from (I).
ChemInform Abstract: Hydroxyalkanesulfonyl Chlorides from Chlorination of Hydroxyalkanesulfinate Salts in a Nonpolar Medium: 3‐Hydroxy‐1‐propanesulfonyl and 4‐Hydroxy‐1‐butanesulfonyl Chlorides.
Authors: KING J. F. , RATHORE R.
Published: May 2016

Saponification of the sultones (I) gives the sulfinates (II) which are chlorinated to form the ω‐hydroxyalkanesulfonyl chlorides (III).
ChemInform Abstract: Formation of Pyridazino(6,1‐c) (1,4)oxazin‐8(7H)‐ones by Intramolecular Cycloaddition of Azoalkenes.
Authors: GILCHRIST T. L. , WASSON R. C. , KING F. D. , WOOTTON G.
Published: May 2016

The hydrazide (I) reacts with phenacyl chloride (III) to give the hydrazones (II).
ChemInform Abstract: Alkylation of Indole with β‐Aroylacrylic Acids and Some Studies on the Alkylated Products.
Authors: TAMAM G. H. , SOLIMAN E. A. , EL‐GENDY A. M. , EL‐KADY A. Y.
Published: May 2016

The α‐indolyl‐γ‐keto acids (III) are transformed into various heterocycles as shown in the reaction scheme.
ChemInform Abstract: Geminal Systems. Part 33. Reactions of 1,1‐Dialkoxyureas with Electrophilic and Nucleophilic Reagents and Synthesis of Cyclic 1,1‐Dialkoxyureas and NH‐Dialkoxyamines.
Authors: RUDCHENKO V. F. , SHEVCHENKO V. I. , KOSTYANOVSKII R. G.
Published: May 2016

The dimethoxyurea (II), prepared by acid‐catalyzed substitution of the benzyl derivative (I), reacts with acetyl chloride (III) to produce the N‐chlorourea (IV).
ChemInform Abstract: Behaviour of 4‐(3‐Oxo‐1,3‐diarylpropyl)‐1‐phenyl‐3,5‐pyrazolidinediones Towards Some Nucleophilic Reagents.
Authors: HAMED A. A. , SAYED G. H. , EL‐MOBAYED M. , GANOUB N. A.
Published: May 2016

The reactivity of the pyrazolidinediones (III) towards various nucleophiles is investigated.
ChemInform Abstract: Synthesis and Structure of Aromatic and Heterocyclic Tellurium Compounds. Part 27. p‐Bis(trichlorotelluryl)benzene and Some of Its Properties.
Authors: SADEKOV I. D. , RIVKIN B. B. , MAKSIMENKO A. A. , MINKIN V. I.
Published: May 2016

Reaction of the bis(trimethylsilyl)benzene (I) with tellurium tetrachloride (II) gives the mono‐ (IIIa) or disubstituted product (IV).
ChemInform Abstract: Synthesis and Structures of Cyclic Tristannadichalcogen Compounds.
Authors: PUFF H. , BREUER B. , SCHUH W. , SIEVERS R. , ZIMMER R.
Published: May 2016

The reaction of the cyclic stannane (I) with chalcogenes yields the cyclic five‐membered dichalcogenstannanes (II).
ChemInform Abstract: The Tungsten‐Tungsten Triple Bond. Part 13. Bisalkyl Tetracarboxylates of Dimolybdenum and Ditungsten. Triple Bonds Between Metal Atoms with the Valence Molecular Orbital Description π4δ2.
Authors: CHISHOLM M. H. , CLARK D. L. , HUFFMAN J. C. , VAN DER SLUYS W. G. , KOBER E. M. , LICHTENBERGER D. L. , BURSTEN B. E.
Published: May 2016

Four synthetic procedures are developed for the preparation of the binuclear tetracarboxylate‐W compounds of the type (I).
ChemInform Abstract: Ethylene Formation in the Reduction of 1,4‐Dihaloalkanes with a Nickel(I) Macrocycle.
Authors: ESPENSON J. H. , RAM M. S. , BAKAC A.
Published: May 2016

The nickel tetraaza macrocycle (II) in excess reacts with the alkanes (I) to produce ethylene (III) in > 90% yield.
ChemInform Abstract: Clusters Containing Carbene Ligands. The Formation of a Carbene Ligand by C‐H Activation of a π‐Complexed Iminium Ligand.
Authors: ADAMS R. D. , BABIN J. E.
Published: May 2016

By refluxing the carbene complex (I) in CHCl3 the new complex (II), which contains a π‐complexed iminium ligand, is obtained.
ChemInform Abstract: Structures of 3β‐ and 17β‐Oxirane Inhibitors of 3‐Oxo‐δ5‐steroid Isomerase.
Authors: KASHINO S. , KATZ H. , GLUSKER J. P. , POLLACK R. M. , BOUNDS P. L.
Published: May 2016

The crystal structures of (I) and (II) (both space group P212121 with Z=4 and 8, resp.) are determined.
ChemInform Abstract: Cepham Analogs: Synthesis, Stereochemistry and Their Conversion into Monocyclic cis‐β‐Lactams.
Authors: SHARMA S. D. , MEHRA U. , KAUR V.
Published: May 2016

The cephams (II), (IV), (VI) and (VII) are synthesized as shown.
ChemInform Abstract: Chain‐Carbonyl Transposition, an Alternative Strategy for the Synthesis of the 6,8‐Dioxabicyclo(3.2.1)octanes: A Synthesis of the (.+‐.)‐Brevicomins and Their Oxidative Cleavage to Tetrahydrofurans.
Authors: WILSON R. M. , GOUDAR J. S. , SIDENSTICK J. E.
Published: May 2016

The exo‐ and endo‐brevicomins (IV) and (VI) are prepared from (I) via H2O2/BF3 treatment of the enal (III).
ChemInform Abstract: A Detailed Study of the Reactions Between Size Selected Aluminum Cluster Ions, Al+ n (n = 3‐26), and Oxygen
Authors: JARROLD M. F. , BOWER J. E.
Published: May 2016

using a low energy ion beam apparatus.
ChemInform Abstract: Polydispersity Probed by Light Scattering of Secondary Particles in Controlled Growth Experiments of Silica Spheres.
Authors: PHILIPSE A. P. , VRIJ A.
Published: May 2016

The effective diffusion coefficients De(K) which are obtained from a cumulant analysis of dynamic light scattering measurements on diluted silica dispersions formed in controlled growth experiments, exhibit pronounced maximum as a function of the scattering vector K. This maximum is due to the presence of particles much smaller than the grown particles.
ChemInform Abstract: Study of the Li/Li3N Electrode in an Organic Electrolyte.
Authors: THEVENIN J. G. , MULLER R. H.
Published: May 2016

Exposure of Li to pure N2 atmosphere at ambient temp. leads to the formation of a porous Li3N film due to a decrease in the molar volume during reaction.
ChemInform Abstract: Cathodic Polarization Phenomena of Perovskite Oxide Electrodes with Stabilized Zirconia.
Authors: TAKEDA Y. , KANNO R. , NODA M. , TOMIDA Y. , YAMAMOTO O.
Published: May 2016

The cathodic polarization of La1‐xSrxMO3‐z (M: Cr, Mn, Fe, Co) electrodes sputtered on yttria stabilized zirconia has been studied at 800 °C in air.
ChemInform Abstract: The Corrosion Behavior of Aluminum‐Molybdenum Alloys in Chloride Solutions
Authors: MOSHIER W. C. , DAVIS G. D. , AHEARN J. S. , HOUGH H. F.
Published: May 2016

(0.1 N KCl) has been studied by electrochemical polarization measurements, XPS, SEM, TEM, and XRD.
ChemInform Abstract: Photochemical Transformations. Part 46. Photophysics and Photochemistry of Some Compounds Undergoing Light‐Induced Solvolysis and Wagner‐Meerwein Rearrangement.
Authors: CRISTOL S. J. , AELING E. O. , STRICKLER S. J. , ITO R. D.
Published: May 2016

Absorption maxima, fluorescence maxima, and fluorescence quantum yields are reported for compounds (I)‐(III).
ChemInform Abstract: Cyclopentenone Derivatives Part 12. Stereoselectivity of Intramolecular Cycloadditions.
Authors: HAUFE R. , JANSEN M. , TOBIAS K. M. , WINTERFELDT E. , WRAY V.
Published: May 2016

The title reaction of the compounds (III), (VI) and (IX) is influenced by the nature of the side chain.
ChemInform Abstract: Synthesis and Biological Activity of Chloro‐Substituted 1,5‐Diketones and Their Cyclization Products.
Authors: KHARCHENKO V. G. , CHALAYA S. N. , KULIKOVA L. K. , LITVINOV O. V.
Published: May 2016

The chlorinated diketones (II) are cyclized with ammonium acetate to give the pyridines (III), whereas cyclization with ammonia produces (III), together with the pyrroles (V).
ChemInform Abstract: Control of the Diastereoselectivity During the Cyclization of Dipropenyl Ketone to 2,6‐Dimethyl‐1‐heteracyclohexan‐4‐one.
Authors: KORSHEVETS I. K. , MISTRYUKOV E. A.
Published: May 2016

The heptadienones (I), (II), or (III) are cyclized with the nucleophiles (IV) to give the heterocycles (V).