bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: A Bifunctional Anthraquinone Synthon.
Authors: TIUS M. A. , GOMEZ‐GALENO J. , ZAIDI J. H. 
Published: May 2016

AbstractThe bis(methoxymethyloxy)anthraquinone (I) is converted to the corresponding anthracene (II) and then consecutively treated with tert‐butyllithium and chlorotrimethylstannane (III) to form the di‐ (IV) or monostannylated compounds (V) depending on the reaction conditions.
ChemInform Abstract: Transannular Aldol Condensations within Macrocyclic Lactones: A Novel Approach to 8‐Membered Carbocyclic Rings.
Authors: KARIM M. R. , SAMPSON P. 
Published: May 2016

AbstractThe key step in the preparation of the macrocyclic keto lactone (VII) is the cleavage of cyclohexanone (I) with acetoxymethyl vinyl ketone (II) in the presence of TiCl3 and H2O2, producing the ω‐acetoxy keto ester (IV) which is hydrolyzed to give the alcohol (V).
ChemInform Abstract: Azomethine Ylids from Diethyl Aminomalonate.
Authors: HUSINEC S. , SAVIC V. , PORTER A. E. A. 
Published: May 2016

AbstractParaformaldehyde (I) and diethyl aminomalonate (II) form the intermediate ylid (III) which undergoes cycloaddition reaction with active dipolarophiles, e.g. (IV) or (VI), producing pyrrole derivatives such as (V) or (VII).
ChemInform Abstract: A Facile Synthesis of Dialkoxycarbonyl, Dicyano, and Alkoxycarbonyl(cyano) Ketene Ethylene Acetals.
Authors: NEIDLEIN R. , KIKELJ D. 
Published: May 2016

AbstractThe compounds (IV) mentioned in the title are prepared by the reaction of malononitrile, dialkyl malonates, and alkyl cyanoacetates respectively with 2‐chloroethyl chloroformate (III).
ChemInform Abstract: Synthesis of 4‐Unsubstituted Isothiazoles.
Authors: LUCCHESINI F. , PICCI N. , POCCI M. , DE MUNNO A. , BERTINI V. 
Published: May 2016

AbstractConsecutive treatment of the α‐oxoalkynes (I) with hydroxylamine‐O‐sulfonic acid (II), solid sodium hydrogen carbonate, and sodium hydrogen sulfide (III) yields the isothiazoles (IV), together with the thiazole (Vd) and the di(cyanovinyl) sulfide (VIa).
ChemInform Abstract: The Role of Organic Tellurides as Accumulators and Exchangers of Carbon Radicals.
Authors: BARTON D. H. R. , OZBALIK N. , SARMA J. C. 
Published: May 2016

AbstractN‐(Isopropylcarbonyloxy)‐2‐thiopyridone (I) is irradiated in the presence of di(isopropyl) telluride (III) to generate isopropyl radicals which are trapped by the olefins (II), yielding the 2‐(alkylthio)pyridines (IV) and (V).
ChemInform Abstract: Preparation of New Benzimidazole Derivatives from N‐((Methylthio)thiocarbonylmethyl)azinium Salts.
Authors: CUADRO A. M. , ALVAREZ‐BUILLA J. , VAQUERO J. J. 
Published: May 2016

AbstractReaction of the N‐phenacylpyridinium iodides (I) with carbon disulfide (II) and methyl iodide (III) gives the ylides (IV) which are cleaved on treatment with hydroiodic or tetrafluoroboric acid (V), producing the dithioesters (VI).
ChemInform Abstract: Cycloaromatization of α‐Oxo Ketene Dithioacetals with Lithioacetonitrile: A Facile Route for 4‐Substituted and 4,5‐Anellated Pyridines.
Authors: GUPTA A. K. , ILA H. , JUNJAPPA H. 
Published: May 2016

AbstractThe α‐oxo ketene dithioacetals (I) are coupled with lithioacetonitrile (II) to give the hydroxy nitriles (III) which are cyclized upon treatment with phosphoric acid to form the pyridines (IV).
ChemInform Abstract: Alkylation and Arylation of Pyrazines by Organotin Compounds.
Authors: WATANABE T. , HAYASHI K. , SAKURADA J. , OHKI M. , TAKAMATSU N. , HIROHATA H. , TAKEUCHI K. , YUASA K. , OHTA A. 
Published: May 2016

AbstractThe chloropyrazines (I) undergo Pd(0)‐catalyzed reaction with the organotin compounds (II) and (IV) to give the pyrazines (III) and (V).
ChemInform Abstract: Anellation of Quinoxaline by Sulfur‐Stabilized Carbanions.
Authors: VIERFOND J.‐M. , LEGENDRE L. , MAHUTEAU J. , MIOCQUE M. 
Published: May 2016

AbstractQuinoxaline (I) undergoes cyclocondensation with sulfones and sulfoxides to give the hexahydrothienoquinoxalines as outlined in the reaction scheme.
ChemInform Abstract: 1,1,2,3‐Tetraphenylboratirene: First Isolation and Characterization of a Boratirene.
Authors: KROPP M. A. , SCHUSTER G. B. 
Published: May 2016

AbstractIrradiation of the borate (I) gives the stable air‐ and water‐sensitive title compound (II), the first example of a new class of highly strained boron‐containing compounds (space group P21/c, Z=4).
ChemInform Abstract: Chemistry of Organolsilicon Compounds. Part 250. Preparation and Reactions of 1,1,4,4‐Tetrakis(trimethylsilyl)butane‐1,4‐diyl Dianion.
Authors: KIRA M. , HINO T. , KUBOTA Y. , MATSUYAMA N. , SAKURAI H. 
Published: May 2016

Abstract1,1‐Bis(trimethylsilyl)ethene (I) forms the dianion salt (III) which produces the dimers (IV) upon hydrolysis.
ChemInform Abstract: Et3B‐Induced Radical Addition of Ph3SnH to Acetylenes and Its Application to Cyclization Reaction.
Authors: NOZAKI K. , OSHIMA K. , UTIMOTO K. 
Published: May 2016

AbstractIn the presence of BF3, the stannane (II) adds to alkynes such as (I) regioselectively, but non‐stereoselectively to give mixtures of the Eand Z‐alkenes (III) and (IV).
ChemInform Abstract: Organoboration of 3‐(Trimethylstannyl)‐2‐propynyl‐1‐ethers.
Authors: WRACKMEYER B. , GULDNER G. , ABU‐ORABI S. T. 
Published: May 2016

AbstractReaction of the propynyl ether (I) with trialkylboranes such as (II) with sterically non‐demanding substituents leads to new oxaborolanes such as (III) in quantitative yield.
ChemInform Abstract: The Formation of Substituted Ferrocenes in the Reaction Between Iron Atoms, Cyclopentadiene, and Alkynes.
Authors: CANTRELL R. D. , SHEVLIN P. B. 
Published: May 2016

AbstractThe example demonstrated in the scheme shows that cocondensation of iron atoms with cyclopentadiene and alkynes also incorporates the alkyne skeleton into a cyclopentadienyl ring leading to ferrocenes substituted on one of the cyclopentadienyl ring as well as the expected unsubstituted ferrocene.
ChemInform Abstract: The Electron‐Deficient Planar Tetrairon Cluster Fe4(CO)8L4 (L: Pyridine).
Authors: MEALLI C. , PROSERPIO D. M. , FACHINETTI G. , FUNAIOLI T. , FOCHI G. , ZANAZZI P. F. 
Published: May 2016

AbstractThe 56‐electron cluster (IV) is characterized by its magnetic moment and a single‐crystal diffraction study (space group P21/a, Z = 8).
ChemInform Abstract: The Asymmetric Synthesis of cis‐Substituted Cyclopropanecarboxylic Acid Derivatives.
Authors: AMBLER P. W. , DAVIES S. G. 
Published: May 2016

AbstractCyclopropanation of the racemic α,β‐unsaturated acyliron complexes (±)‐(I) with methylene iodide (II) in the presence of diethylzinc/ZnCl2 or triethylaluminum gives the diastereomeric cyclopropanes (III) and (IV) with predominance of (III).
ChemInform Abstract: Symmetric Addition of SO2 to Linear Bi‐ and Trinuclear Gold(I) Compounds. Partial Oxidation to Form (Au(μ‐(CH2)2PPh2))2(SO2)2 and Au2Pt(μ‐C,S‐CH2PPh2S)4(SO2)2.
Authors: KING C. , HEINRICH D. D. , GARZON G. , WANG J.‐C. , FACKLER J. P. JUN. 
Published: May 2016

AbstractTo explore possible metal‐metal bond formation during initial steps of oxidative additions, the title reaction is investigated.
ChemInform Abstract: Stereoselective Reactions. Part 15. Total Synthesis of (+)‐Ivalin by Utilizing Asymmetric Double Alkylation Reaction of α,β‐Unsaturated Aldimine.
Authors: TOMIOKA K. , MASUMI F. , YAMASHITA T. , KOGA K. 
Published: May 2016

AbstractThe key steps in the synthesis of the title compound (XVI), a representative of antileukemic eudesmane sesquiterpenes, are the new asym.
ChemInform Abstract: Stereoselective C‐C Bond Formation in Carbohydrates by Radical Cyclization Reactions. Part 1.
Authors: DE MESMAEKER A. , HOFFMANN P. , ERNST B. 
Published: May 2016

AbstractThe 2‐(haloethyl)glycal ethers (III) and (VIII) undergo radical‐induced cyclization, forming the fused tetrahydrofurans (IV) or (IX).
ChemInform Abstract: A Convenient Approach to the Synthesis of Prenyl‐, Furo‐ and Pyranoquinoline Alkaloids of the Rutaceae.
Authors: SHOBANA N. , YESHODA P. , SHANMUGAM P. 
Published: May 2016

AbstractTreatment of the hydroxyquinolone (Ia) with excess prenyl bromide (II) and subsequent partial deallylation of the product (IIIa) with NaHTe represents a simple approach to the desired 3‐prenylquinolone (IVa), the important intermediate in the biogenesis of the Rutaceae alkaloids atanine (VIa), flindersine (VIIa), dictamnine and khaplofoline.
ChemInform Abstract: New Approach to C‐Aryl Glycosides Starting from Phenol and Glycosyl Fluoride. Lewis Acid‐Catalyzed Rearrangement of O‐Glycoside to C‐Glycoside.
Authors: MATSUMOTO T. , KATSUKI M. , SUZUKI K. 
Published: May 2016

AbstractThe glycosyl fluoride (I) reacts with the phenols (II) or (V) in the presence of various Lewis acids to form the substitution products (III) and (IV) ‐ with predominance of the C‐glycoside (III) ‐ or (VI).
ChemInform Abstract: Magneto‐Structural Correlations and Metal‐Metal Bonding in Exchange‐Coupled A3Mo2X9 (X: Cl, Br, I) Complexes.
Authors: STRANGER R. , SMITH P. W. , GREY I. E. 
Published: May 2016

AbstractStructural and magnetic data are reported for the new salts A3Mo2Cl9 with A: Rb, NH4, RNH3 (R: Me, Et, Bu, C6H13), R2NH2 (R: Me, Et), and Me3NH, A3Mo2Br9 with A: Rb, Me4N, and A3Mo2I9 with A: Cs, EtNH3 as well as for some known A3Mo2X9‐type compounds.
ChemInform Abstract: Preparation, Structural, and Magnetic Properties of Ordered Perovskite (BaLa)(MgMo)O6.
Authors: CHOY J.‐H. , HONG S.‐T. 
Published: May 2016

AbstractThe title compound, obtained by heating the corresponding oxides at 1350 °C in flowing N2, crystallizes in a cubic perovskite‐type structure with 1:1 ordering of Mg2+ and Mo5+ in the oxide lattice.
ChemInform Abstract: MnO2 for Solid Electrolyte Cells.
Authors: KUWABARA K. , HANAFUSA K. , SUGIYAMA K. 
Published: May 2016

AbstractChemical and electrolytic manganese dioxides (CMD and EMD) are used as the cathode active material in solid electrolyte cells with a Cu anode and Rb4Cu16I7C13 (I) as Cu+ ion conductor.
ChemInform Abstract: Hydrolysis of Vanadium Ions (III,II) and Polarographic Behavior of the V(III)/V(II) System in Aqueous Perchlorate Solutions.
Authors: GORSKI W. , GALUS Z. 
Published: May 2016

AbstractThe effect of pH on the polarographic behavior of the V(III)/V(II) system is investigated in HClO4/NaClO4 aqueous solution in the pH range 0‐4.6 at constant ionic strength (1 M) and low concentration of vanadium ions (0.47 mM).
ChemInform Abstract: Systematic Design of Chemical Oscillators. Part 48. Chemical Oscillators in Group VIA: The Cu(II)‐Catalyzed Reaction Between Thiosulfate and Peroxodisulfate Ions.
Authors: ORBAN M. , EPSTEIN I. R. 
Published: May 2016

AbstractDuring the reaction between S2O82‐ and S2O32‐ to give SO42‐ and S4O62‐ sustained oscillations in redox potential, pH, and the concentration of dissolved O2 are observed in the presence of trace amounts of Cu(II) ions in a continuous flow stirred tank reactor.
ChemInform Abstract: Characterization of Tin Oxide Supported Vanadia and Molybdena Catalysts by Low Temperature Oxygen Chemisorption Technique.
Authors: NARSIMHA K. , SIVARAJ CH. , REDDY B. M. , RAO P. K. 
Published: May 2016

AbstractSnO2 supported catalysts containing 0.5 to 5.5 wt.% V2O5 or MoO3, prepared by wet impregnation with aqueous NH4‐metavanadate or NH4‐heptamolybdate solution, drying at 120 °C, and calcination at 600 °C, are characterized using low‐temp.
ChemInform Abstract: Preparation of Metal‐Sulfur‐Clusters by Simple Reaction of Metal‐Salts with H2S: R2(NH4)(Cu3S12), R2(Cu4S12)·CH3CN, R2(Cu4S12.8), R2(Fe2S2(S5)2), R2(Fe4S4Br4),R2(Fe4S4Br2Cl2), R2(Fe4S4Cl4), R2(Fe2S2Cl4) (R: PPh4) and (Fe(DMF)6) (Fe2S2Cl4).
Authors: MUELLER A. + , SCHLADERBECK N. H. , KRICKEMEYER E. , BOEGGE H. + , SCHMITZ K. , BILL E. , TRAUTWEIN A. X. 
Published: May 2016

AbstractThe title compounds (III), (V), (VI), (VII), (X), and (XIII) are prepared by the simple methods outlined in the scheme and characterized by IR, Raman, and Moessbauer spectroscopy and XRD.
ChemInform Abstract: Pillaring of Layered Titanates by Polyoxo Cations of Aluminum.
Authors: CHENG S. , WANG T.‐C. 
Published: May 2016

AbstractIt is demonstrated that layered Ti4O92‐ complexes can be pillared with (Al13O4(OH)24(H2O)12)7+ Keggin ions in a stepwise exchange process.
ChemInform Abstract: Electrochemical Oxidation of Malonic Acid Esters in the Presence of Iodides as Transfer Catalysts.
Authors: ELINSON M. N. , FEDUKOVICH S. K. , NIKISHIN G. I. 
Published: May 2016

AbstractElectrochemical oxidation of the malonic acid esters (I) in the corresponding alcohols (II) in the presence of iodides gives mixtures of the dimers (III) ‐ (V) and the trimer (VI).
ChemInform Abstract: In situ FTIR Spectroscopy at Elevated CO Pressure. Evidence for Single‐Electron Transfer in the Catalytic Carbonylation of Nitroaromatics.
Authors: KUNIN A. J. , NOIROT M. D. , GLADFELTER W. L. 
Published: May 2016

AbstractThe deoxygenation steps in the mechanism of the title reaction are studied.
ChemInform Abstract: Activation and Synthetic Applications of Thiostannanes. Thioalkoxylation of Acetals.
Authors: SATO T. , OTERA J. , NOZAKI H. 
Published: May 2016

AbstractAcetals of various aldehydes and ketones, e.g. (I), are converted into the corresponding monothioacetals, e.g. (II), under mild conditions through activating of the Sn‐S bonds in the thiostannane (III) in the presence of BF3·Et2O. The reaction likewise proceeds quantitatively with cyclic ethers, e.g. (IV) (→ (V)).
ChemInform Abstract: Chemistry of 1,1,2,2‐Tetracyanoethane. Part 12. Condensation Reaction of 1,1,2,2‐Tetracyanoethane with Crotonaldehyde in Alcoholic Media.
Authors: ZOLOTOI A. B. , ZIL'BERG S. P. , LUKIN P. M. , KONOVALIKHIN S. V. , NASAKIN O. E. , LYSHCHIKOV A. N. , D'YACHENKO O. A. , BULAI A. KH. , ATOVMYAN L. O. , SKVORTSOVA M. YU. 
Published: May 2016

AbstractTetracyanoethane (I) reacts with crotonaldehyde (II) in the presence of the alcohols (III) to give the alkyloxyallylcyclopentenecarboxaldehydes (IV).
ChemInform Abstract: Novel Bicycloheptane Thio Analogues of Prostaglandins.
Authors: BONDAR' N. F. , SKUPSKAYA R. V. , KOZINETS V. A. , LAKHVICH F. A. 
Published: May 2016

AbstractIn the presence of a base the conjugated addition of the thiols (II) to the enones (I) proceeds stereoselectively exo to yield the title compounds (III).
ChemInform Abstract: Efficient One‐Step Synthesis of N,N′‐Bis(2‐hydroxy‐5‐bromobenzylidene)arylmethanediamines.
Authors: BU X.‐R. , MENG Q.‐J. , YOU X.‐Z. 
Published: May 2016

AbstractThe benzaldehydes (II) are treated with excess ammonia generated from ammonium acetate (III) to form the corresponding aminals which are coupled in situ with two equivalents of 2‐hydroxy‐5‐bromobenzaldehyde (I), producing the arylmethylene‐bridged bisimines (IV).
ChemInform Abstract: Acetylenic Sulfoxides in Organic Synthesis: Diels‐Alder Reactions.
Authors: LEE A. W. M. , CHAN W. H. , WONG M. S. 
Published: May 2016

AbstractThe alkynyl aryl sulfoxides (VII), prepared from p‐nitrothiophenol (I) as shown in the reaction scheme, undergo Diels‐Alder reaction with cyclopentadiene (VIII), 2,3‐dimethylbuta‐1,3‐diene (X), or anthracene (XII) to give the cycloadducts (IX), (XI), and (XIII).
ChemInform Abstract: Facile Synthesis, Crystal Structure, and Oxidizability of a Novel Benzene Tris‐Anellated with Bicyclo(2.2.2)oct‐2‐ene.
Authors: KOMATSU K. , JINBU Y. , GILLETTE G. R. , WEST R. 
Published: May 2016

Abstract2,3‐Dibromobicyclo(2.2.2)oct‐2‐ene (I) is trimerized upon treatment with butyllithium to give the benzene (III) via the intermediate (II).
ChemInform Abstract: Chemistry of TTF. Easy Synthesis of TTF and Selective Synthesis of Unsymmetrically Substituted TTFs.
Authors: LERSTRUP K. , JOHANNSEN I. , JOERGENSEN M. 
Published: May 2016

AbstractStarting with the iminium salt (I), prepared from carbon disulfide, piperidine, and dibromoethane, unsubstituted tetrathiafulvalene (VII) (TTF) is obtained as shown in the reaction scheme.
ChemInform Abstract: Studies in Vilsmeier‐Haack Reaction: Reaction of 3‐Methyl‐1‐phenyl‐4‐arylidene‐5‐pyrazolone.
Authors: AWAD I. M. A. , HASSAN K. M. 
Published: May 2016

AbstractThe 3‐methyl group in (I) is found to undergo diformylation by Vilsmeier reagent to give the aminoacrolein derivative (III) in good yield.
ChemInform Abstract: Synthesis of Some New Benzodiazepine and Oxazepine Derivatives of Expected Biological Activity.
Authors: HABIB O. M. O. , ABD EL‐GAWAD I. I. , BADAWY D. S. 
Published: May 2016

AbstractCondensation of the β‐ketoanilide (I) with o‐phenylenediamine (II) and o‐aminophenol (IV) under the reaction conditions shown gives the desired seven‐membered heterocycles (IIIa) and (IIIb), respectively.
ChemInform Abstract: Steric Effects in Polypyrazolylborate Ligands. Poly(3‐isopropylpyrazolyl)borates: Ligands of Intermediate Steric Requirements.
Authors: TROFIMENKO S. , CALABRESE J. C. , DOMAILLE P. J. , THOMPSON J. S. 
Published: May 2016

AbstractThe isopropylpyrazolylborates (III) are synthesized as shown in the scheme in dependence on appropriate conditions.
ChemInform Abstract: Synthesis and Properties of BEDSe‐TTF.
Authors: NIGREY P. J. , MOROSIN B. , DUESLER E. 
Published: May 2016

AbstractThe nickel complex (I) is cleaved upon consecutive treatment with lithium bromide and 1,2‐dibromoethane (II), forming the ethylenediselenodithiolethione (III).
ChemInform Abstract: NMR Study of Transmetalation Reaction Between Allyltins and SnCl4.
Authors: NARUTA Y. , NISHIGAICHI Y. , MARUYAMA K. 
Published: May 2016

AbstractVarious allyltrialkyltins react with SnCl4 at ‐50 °C. Tin compounds such as (I) with a less substituted allyl group cleanly give allyltrichlorotins such as (III) via transmetalation through SE2' pathway.
ChemInform Abstract: Oxidation of a Pt2(μ‐SO2) Moiety to μ‐SO3 and the Crystal Structure of (Pt2(μ‐SO3)(μ‐SO2)(C8H12)2).
Authors: FARRAR D. H. , GUKATHASAN R. R. 
Published: May 2016

AbstractThe Pt(0) complex (I) reacts immediately with SO2 (II) giving the binuclear product (III).
ChemInform Abstract: Bridged Cyanine Dyes. Part 1. 1‐(N‐Methyl‐4‐pyridinio)‐3‐(N‐methylpyridylene)cyclopenta‐1,4‐dienes.
Authors: KATRITZKY A. R. , FAN W.‐Q. , LI Q.‐L. 
Published: May 2016

Abstract1,3‐Bis(4‐pyridyl)propane (I) is bisalkylated with methyl iodide (II), forming the bridged bispyridinium salt (III) which undergoes cyclocondensation with the 1,2‐diones (IV) or the α‐keto esters (VI) to produce the cyanine dyes (V) or (VII) mentioned in the title.
ChemInform Abstract: A New and Efficient Route to Optically Active Drimanes. Synthesis of (+)‐Winterin, (+)‐Confertifolin, (+)‐Isodrimenin, and (+)‐Bicyclofarnesol.
Authors: HUESO‐RODRIGUEZ J. A. , RODRIGUEZ B. 
Published: May 2016

AbstractThe abietane diterpenoid royleanone (I), easily available from several Salvia species, is used as starting material for the preparation of the optically active drimanes winterin (II), confertifolin (XI), isodrimenin (XII) and bicyclofarnesol (XV).
ChemInform Abstract: A New Approach to the Stereospecific Synthesis of Branched‐Chain Sugars.
Authors: THANG T. T. , LABORDE M. A. , OLESKER A. , LUKACS G. 
Published: May 2016

AbstractCyclocondensation of the carbohydrate ketones (I) and (XII) with chloromethyl p‐tolyl sulfone (II) produces the α,β‐epoxy sulfones (III) and (XIII) in a stereospecific manner.
ChemInform Abstract: Total Synthesis of 1‐Oxacephalosporins. Part 3. Synthesis of a (.+‐.)‐trans‐7‐Benzoylamino‐3‐carbamoyloxymethyl‐1‐oxa‐3‐cephem‐3‐carboxylate from 1,3‐Dihydroxyacetone.
Authors: SCHMINCKE H. , HOPPE D. 
Published: May 2016

AbstractBased on the procedures described in the two preceding abstracts, the unsym. protected diol (IIIa) is prepared from (II) and converted to the title compound (IV).
ChemInform Abstract: Carbide Precipitation in Cast Co‐Cr‐Mo Alloys Used for Surgical Implants.
Authors: ZHUANG L. , LANGER E. W. 
Published: May 2016

AbstractElectron diffraction results indicate the existence of only one carbide, M23C6 with fcc structure, in a commercial cast Co‐Cr‐Mo alloy with coarse dendritic structure.
ChemInform Abstract: Characterization of the Mixed Perovskite BaSn1‐xSbxO3 by Electrolyte Electroreflectance, Diffuse Reflectance, and X‐Ray Photoelectron Spectroscopy.
Authors: LARRAMONA G. , GUTIERREZ C. , PEREIRA I. , NUNES M. R. , DA COSTA F. M. A. 
Published: May 2016

AbstractThe band gap of the title semiconductors are determined by fitting the EER spectra to Aspnes' formula.
ChemInform Abstract: Tin Dioxide Gas Sensors. Part 3. Solid‐State Electrochemical Investigations of Reactions Taking Place at the Oxide Surface.
Authors: MCALEER J. F. , MAIGNAN A. , MOSELEY P. T. , WILLIAMS D. E. 
Published: May 2016

AbstractA zirconia electrolyte is used to investigate the reactions taking place on the surface of tin dioxide.
ChemInform Abstract: Surface Modification and Oxygen Reduction on Glassy Carbon in Chloride Media.
Authors: SUNDBERG K. M. , SMYRL W. H. , ATANASOSKA LJ. , ATANASOSKI R. 
Published: May 2016

AbstractElectrochemically treated glassy carbon electrodes (anodic polarization at 2.0 V and subsequent cathodic reduction) are used for the reduction of oxygen in 0.1 M HCl.
ChemInform Abstract: Phases with the Structure Type Y2Co3Ga9 in the Systems Rare‐Earth Metal‐Rhodium (Iridium)‐Gallium.
Authors: GRIN' YU. N. , ROGL P. 
Published: May 2016

AbstractThe eighteen phases M1 2M2 3Ga9 (M1: Sm, Gd, Tb, Dy, Ho, Er, Tm, Yb, Y; M2: Rh or Ir) are prepared for the first time by a known procedure.
ChemInform Abstract: Structural trans Effects in Some Bis(ethylenediamine)cobalt(III) Complexes.
Authors: KASTNER M. E. , SMITH D. A. , KUZMISSION A. G. , COOPER J. N. , TYREE T. , YEARICK M. 
Published: May 2016

AbstractThe crystal structures of the title complexes are determined by single‐crystal X‐ray diffraction.
ChemInform Abstract: Regiospecific Carbonylation and Ring Expansion of Thietanes and Oxetanes Catalyzed by Cobalt and/or Ruthenium Carbonyls.
Authors: WANG M.‐D. , CALET S. , ALPER H. 
Published: May 2016

AbstractInsertion of carbon monoxide (II) into the four‐membered heterocycles (I) is achieved in the presence of cobalt and/or ruthenium carbonyl catalysts.
ChemInform Abstract: A Versatile Regio‐ and Stereospecific Annulation Method. Part 2. Formation of Substituted Five‐ or Six‐Membered Ring Systems by Acidic Fragmentation of 1‐Ethoxy‐2‐oxatricyclo(4.2.1.04,8)nonan‐7‐one Derivatives.
Authors: BOEHM K. + , GOESSINGER E. + , MUELLER R. + 
Published: May 2016

AbstractTreatment of masked diones of type (I) (cf.
ChemInform Abstract: Stereocontrolled Lactonization Reactions via Palladium‐Catalysis.
Authors: BAECKVALL J.‐E. + , ANDERSSON P. G. , VAEGBERG J. O. + 
Published: May 2016

AbstractThe cycloalkadienylacetic acids (III), prepared from the malonates (I) via the dienes (II), are treated with acetic acid in the presence of Pd catalysts to form the fused acetoxy lactones (V) or (VI).
ChemInform Abstract: Pyrimidines. Part 31. Synthesis, Reactions, and Properties of 6‐Acyl‐1,3‐dimethylpyrrolo(2,3‐d)pyrimidine‐2,4‐diones.
Authors: SALIH Z. S. , STEGMUELLER P. + , PFLEIDERER W. 
Published: May 2016

AbstractThe pyrrolopyrimidinediones (I) are treated with the anhydrides (II) to give the acylated compounds (III) which are converted to the esters (V) or the amides (VII).
ChemInform Abstract: Evidence from Trapping for the Existence of the Phosphinophosphinidene (Me3C)2P‐P in the Reaction of ((Me3C)2P)2PLi with 1,2‐Dibromoethane.
Authors: FRITZ G. , VAAHS T. , FLEISCHER H. , MATERN E. 
Published: May 2016

AbstractThe title reaction proceeds via the intermediate (III) (isolable as a crystalline product at ‐40 °C) and its decomposition forming the phosphinidene (IV) which reacts to yield the cyclic products (V) and (VI).
ChemInform Abstract: Ionic, Base‐Free Zirconocene Catalysts for Ethylene Polymerization.
Authors: HLATKY G. G. , TURNER H. W. , ECKMAN R. R. 
Published: May 2016

AbstractThe use of peralkylated zirconocenes prevents anion degradation, obviates the need for a solvating Lewis base, maximizes lability of the anion to incoming olefin and leads to highly active polymerization catalysts.