bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Synthetic Approach Toward Antibiotic Ezomycins. Part 1. Synthesis of 5‐Amino‐5‐deoxyoctofuranose‐(1,4) Derivatives by Henry Reaction and Their Stereochemistry.
Authors: SAKANAKA O. , OHMORI T. , KOZAKI S. , SUAMI T. , ISHII T. , OHBA S. , SAITO Y. 
Published: May 2016

AbstractThe key intermediate (VIb) is prepared by a 7‐step sequence using the α‐D‐allofuranose derivative (I) as the starting material.
ChemInform Abstract: Synthesis of ara‐Cadeguomycin: 2‐Amino‐3,4‐dihydro‐4‐oxo‐7‐(β‐D‐arabinofuranosyl)‐7H‐pyrrolo[2,3‐d]pyrimidine‐5‐carboxylic Acid.
Authors: OKAMOTO K. , KONDO T. , GOTO T. 
Published: May 2016

AbstractGlycosylation of the base (I) with the D‐arabinofuranosyl Chloride (II) followed by acetylamination yields an anomeric mixture of (IVa) and (IVb).
ChemInform Abstract: Cyclic Peptides. Part 22. Synthesis of [2‐Amino‐2,3‐dehydrobutanoic Acid4]AM‐Toxin I.
Authors: MIHARA H. , AOYAGI H. , UENO T. , KATO T. , IZUMIYA N. 
Published: May 2016

AbstractThe coupling reaction of (I) with either (IIa) or (IIb) to give the corresponding products (III), followed by treatment with (IV), yields the open‐chain intermediates (V), whose ring Closure provides the Cyclic peptides (VI).
ChemInform Abstract: The Chlorofluorophosphoranes PClnF5‐n (n = 1‐4). Gas‐Phase Structures and Vibrational Analyses.
Authors: MACHO C. , MINKWITZ R. , ROHMANN J. , STEGER B. , WOELFEL V. + , OBERHAMMER H. 
Published: May 2016

AbstractThe results of gas electron diffraction show that P‐ Fand P‐Cl bonds lengthen with increasing F/Cl Substitution, whereby in general axial bonds are more strongly affected.
ChemInform Abstract: Slow Transformation Phenomena of Lead Adsorbates on Electrolytically Grown Ag(111) and Ag(100)Electrode Surfaces.
Authors: VITANOV T. , POPOV A. , STAIKOV G. , BUDEVSKI E. , LORENZ W. J. , SCHMIDT E. 
Published: May 2016

AbstractThe influence of step density on the Pbadsorbate behavior on Ag(l 1 l) and Ag(lOO) surfaces has been investigated by cyclic voltammetry.
ChemInform Abstract: Cobalt‐Catalyzed Evolution of Molecular Hydrogen.
Authors: CONNOLLY P. , ESPENSON J. H. 
Published: May 2016

AbstractStoichiometry, kinetics and mechanism of the H2 evolution from solutions of CrClz, EuClz, or VCI; in HCl in the presence of trace amounts of the Co(II) macrocycle (I) has been investigated.
ChemInform Abstract: Monolayers and Double Layers of Vanadium Pentoxide on Different Carriers: Preparation, Characterization, and Catalytic Activities.
Authors: KIJENSKI J. , BAIKER A. , GLINSKI M. , DOLLENMEIER P. , WOKAUN A. 
Published: May 2016

AbstractReactions of vanadyl triisobutoxide (I) with surface OH groups are used to immobilize mono‐ and double layers of V2O5 on Al2O3, SiO2, MgO, and TiO2 supports.
ChemInform Abstract: The Leaching‐Activation Process of Urushibara Catalysts.
Authors: JACOB I. , FISHER M. , HADARI Z. , HERSKOWITZ M. , WISNIAK J. , SHAMIR N. , MINTZ M. H. 
Published: May 2016

AbstractThe acid‐leaching process resulting in the activation of Urushibara‐Ni catalysts (prepared by Ni(O) deposition from NiCl2 and Zn powder in H2O) has been studied by surface analysis methods.
ChemInform Abstract: Coordination Behaviour in Base‐Free Tris(cyclopentadienyl)lanthanoid(III) Compounds. Part 3. Isomorphism of Tris(cyclopentadienyl)lutetium(III) and Tris(cyclo‐pentadienyl)scandium(III): An Unexpected Consequence of the Lanthanoid Contraction.
Authors: EGGERS S. H. , SCHULTZE H. , KOPF J. , FISCHER R. D. 
Published: May 2016

AbstractThe "total hapticity" within the series of complexes Cp3M (Cp: cyclopentadienyl; M: Sc, Ti, Y, La ‐ Lu) reaches a maximum of 17 for La and Pr in the structure type [(115‐Cp)2M(p‐n5:n2Cp)]" and decreases, as has been found now, for Lu to the minimum value of 12 as already observed for Sc and Ti.
ChemInform Abstract: Halogen Exchange During Complex Formation Between an N‐Halogensuccinimide and a Quaternary Ammonium Halide.
Authors: FINKELSTEIN M. , MOORE W. M. , ROSS S. D. , EBERSON L. 
Published: May 2016

AbstractWhen N‐chlorosuccinimide (I) and the ammonium bromide (II) were dissolved in Chloroform containing 10% MeOH and diethyl ether was then added, the Complex (III) was obtained (62% yield).
ChemInform Abstract: Reaction of Hydroxy‐ and Carbonyl Compounds with Sulfur Tetrafluoride.
Authors: BURMAKOV A. I. , KHASSANEIN S. M. , KUNSHENKO B. V. , ALEKSEEVA L. A. , YAGUPOL'SKII L. M. 
Published: May 2016

AbstractThe reaction of the vicinal diols (I), (III) and (V) with SF4 is studied.
ChemInform Abstract: Study on the Nature of the Allene‐ene Intramolecular Cycloaddition Reaction.
Authors: SKATTEBOEL L. , STENSTROEM Y. , UGGERUD E. 
Published: May 2016

AbstractThe thermally induced gas phase reactions of the ene‐aI‐ lene ketones (Ia)‐(Id) give the products (II) [together with (VII) from (lb)] of intramolecular [2 + 2] Cycloaddition as the major reaction pathway.
ChemInform Abstract: Heterocyclic β‐Enamino Esters. Part 41. Syntheses of Heterocycles with Dihalogentriphenylphosphoranes.
Authors: WAMHOFF H. , FASSBENDER F.‐J. , HENDRIKX G. , PUFF H. , WOLLER P. 
Published: May 2016

AbstractThermal I2 + 2 ‐Cycloadditions with 4‐R‐TAD.
ChemInform Abstract: Dinitrogen Sulfide.
Authors: WENTRUP C. , FISCHER S. , MAQUESTIAU A. , FLAMMANG R. 
Published: May 2016

AbstractBei der Blitz‐Vakuum‐Pyrolyse des Thiatriazols (I) wird IR‐ und massenspektroskopisch die Bildung von Distickstoffsul?d (III) neben Benzonitril (II) nachgewiesen.
ChemInform Abstract: Reactions of 3‐[(Trimethylsilyl)methyl]cyclo‐2‐hexenone with Carbonyl Compounds.
Authors: HATANAKA Y. , KUWAJIMA I. 
Published: May 2016

AbstractDas silylierte Cyclohexenon (I) reagiert mit den Acetalen (II) in Gegenwart von SnCl4 (III) an der γ‐Position zu den Addukten (IV) bzw. (V)‐.
ChemInform Abstract: Stereochemistry of Phenyl(amino)alkanols.
Authors: GRASSHOFF L. , HALLER R. 
Published: May 2016

AbstractAus den Aminoalkoholen (I) erhält man nach Quaternierung zu (II) beim Erhitzen die sterisch einheitlichen Tetrahydrofurane (III); (IIIc) wird auch aus dem Ammoniumsalz (IV) über das Cyclisierungsprodukt (V) hergestellt.
ChemInform Abstract: Synthesis of Certain Substituted Benzopyranopyridine and Pyrimidine Ring Systems.
Authors: ISMAIL M. M. , MOHAMED M. S. 
Published: May 2016

AbstractAus dem Dichlorsalicylaldehyd (I) und Cyanessigsäureester (II) erhält man mit Ammoniumacetat das Cumarin (III), das mit den Aldehyden (IV) zu den Tricyclen (V) kondensiert werden kann.
ChemInform Abstract: Cyclization Reactions of β,γ‐Unsaturated Derivatives of Carbonic Acid. Part 9. Regiochemistry of Electrophilic Cyclofunctionalization of β,γ‐Unsaturated Carbamic Acid Esters with Bromine ‐ Synthesis of Oxazolidine‐2‐ones and Tetrahydro‐2H‐1,3‐oxazine‐2‐ones.
Authors: MUEHLSTAEDT M. + , OLK B. , WIDERA R. 
Published: May 2016

AbstractTreatment of the urethanes (I) with bromine leads to mixtures of the adducts (II) (spectroscopically identified, but not isolated), the oxazolidinones (III) [obtained only in the cases (IIIa)‐(IIIf)], and the tetrahydrooxazinones(IV) [obtained in all cases except (IVd)].
ChemInform Abstract: Reaction of 3‐(2,2,2‐Trichloroethylidene)‐2,4‐pentanedione with Zinc and Carboxylic Acid Chlorides.
Authors: SHCHEPIN V. V. , RODYGIN A. S. , GARTMAN G. A. 
Published: May 2016

AbstractThe title compound (I) reacts with zinc in aprotic solvents to form the stable complex (II), which is acylated by the acyl chlorides (III) to yield the 4‐acyloxy‐3‐dichlorovinylpentenones (IV).
ChemInform Abstract: Novel Reductive Opening of 5,6‐Dihydro‐2H‐pyran Ring.
Authors: JURCZAK J. , BAUER T. , ANKNER K. 
Published: May 2016

AbstractDas Butadien (I) reagiert mit den D‐Glycerinaldehyd‐Derivaten (II) unter Druck zu den chromatographisch trennbaren Diastereomerenpaaren (III) und (IV).
ChemInform Abstract: Syntheses with Cyclobutadienes. Part 13. Azapentafulvenes from 2,3,4‐Tri‐tert‐butylcyclobutadiene‐1‐carboxylic Esters and Isonitriles.
Authors: FINK J. , REGITZ M. 
Published: May 2016

AbstractThe azapentafulvenes (IIIa)‐(IIId) are obtained from the kinetically stabilized cyclobutadienes (I) and the isonitriles (IIa).
ChemInform Abstract: An Asymmetric Synthesis of Chiral 4,4‐Disubstituted Cyclohexenones in High Enantiomeric Purity.
Authors: MEYERS A. I. , LEFKER B. A. , WANNER K. TH. , AITKEN R. A. 
Published: May 2016

AbstractMit dem optisch aktiven Aminodiol (I) als chiraler Hilfsgruppe entsteht aus der Ketosäure (II) mit guter Selektivität (84%) das bicyclische Lactam (III), das stufenweise zu (V) und zu (VII) alkyliert wird.
ChemInform Abstract: Synthesis and Properties of 1,3,5,7‐Tetra‐tert‐butyl‐s‐indacene.
Authors: HAFNER K. , STOWASSER B. , KRIMMER H.‐P. , FISCHER S. , BOEHM M. C. + , LINDNER H. J. 
Published: May 2016

AbstractIn order to determine the influence of substituents and their positions on the differences between the enthalpies of formation for localized and delocalized structures such as (II)(space group P2′/c; Z=2), this compound is prepared from fulvalene (I) by acid‐catalyzed condensation.
ChemInform Abstract: Synthesis of Benzospiro[2,4]heptane Derivatives.
Authors: BARTHA E. , ARVAY Z. , RAZUS A. C. 
Published: May 2016

AbstractDie Reduktion der Ketone (Ib) ‐(IIIb), deren Herstellung beschrieben wird, liefert die entsprechenden Alkohole(Ia)‐(IIIa).
ChemInform Abstract: A Friedel‐Crafts Synthesis of N‐Substituted Thiophenecarbothioamides.
Authors: JAGODZINSKI T. , JAGODZINSKA E. , JABLONSKI Z. 
Published: May 2016

AbstractThiophenes (I) and (IV) undergo Friedel‐Crafts catalyzed reactions with the isothiocy‐anates (II) to give (III) and (V), respectively.
ChemInform Abstract: α‐Nitroarylation of Ketones and Esters: An Exceptionally Facile Synthesis of Indoles, 2‐Indolinones, and Arylacetic Acids.
Authors: RAJANBABU T. V. , CHENARD B. L. , PETTI M. A. 
Published: May 2016

AbstractDie durch o‐Nitroarylierung von Silylenolethern wie (II) (aus Ketonen) oder Ketensilylacetalen wie (VIII) (aus Estern oder Lactonen) in Gegenwart von (III) zugänglichen o‐Nitroaryl‐Derivate (V), (IX)oder (XII) lassen sich reduktiv zu Indol‐Derivaten wie (VI), (XI), (XIII) oder (XIV) cyclisieren.
ChemInform Abstract: Reactions of Cyanoformamidines with Hexafluoroacetone.
Authors: GRUETZMACHER H. + , ROESKY H. W. 
Published: May 2016

AbstractThe oxazoles (V) are obtained by reaction of hexafluoroacetone (IV) with the N,N‐dialkylcyanoform‐amidines (III) generated from the amines (I) and dicyan (II).
ChemInform Abstract: A Convenient Synthesis of 5‐(4‐Pyridinyl)‐2(1H)‐pyridones.
Authors: FANG W.‐P. , SHIEH P. , SHIAO M.‐J. 
Published: May 2016

AbstractLithiierung der Brompyridine (I) und nachfolgende Reaktion mit den Pyridinium‐Salzen (II) liefert die instabilen Dihydrobipyridyle (III), die leicht zu den Bipyridylen (IV) oxidiert werden.
ChemInform Abstract: Stereoselective Synthesis, Structural Studies, and Hydrolysis of Tricyclic Alkoxysulfonium Salts.
Authors: GLASS R. S. , HOJJATIE M. , SETZER W. N. , WILSON G. S. 
Published: May 2016

AbstractAus den Alkoholen (I) werden die Alkoxysulfoniumsalze (II) hergestellt, deren Strukturen durch Röntgenstrukturanalysen gesichert werden.
ChemInform Abstract: Potassium 9‐O‐(1,2:5,6‐Di‐O‐isopropylidene‐α‐D‐glucofuranosy1)‐9‐boratabicyclo[3.3.1]nonane. A New, Effective Chiral Borohydride Reagent.
Authors: BROWN H. C. , PARK W. S. , CHO B. T. 
Published: May 2016

AbstractDas aus 9‐Borabi‐cyclononan(I), dem chiralen Hilfsreagens (II) und Kaliumhydrid (III) zugängliche chirale Borhydrid‐Reagens (IV) reduziert die Ketone (V) mit hohen optischen Ausbeuten zu den optisch aktiven Alkoholen (VI).
ChemInform Abstract: Alternative Syntheses and Diels‐Alder Reactions of 2,3‐Bis(trimethylsilyl)buta‐ 1,3‐diene.
Authors: GARRATT P. J. , TSOTINIS A. 
Published: May 2016

AbstractAus 1‐Brom‐1‐trimethylsilyl‐ethylen (Ia) erhält man über die Li‐ oder die Grignard‐Verbindung (Ib) mit Acetaldehyd das Addukt (II), das nach Oxidation zum Keton (III) in das Tosylhydrazon (IV) übergeführt wird.
ChemInform Abstract: Ring Opening and Enlargement of Cyclopropyl Trimethylsilyl Ketones by Acids.
Authors: NAKAJIMA T. , MIYAJI H. , SEGI M. , SUGA S. 
Published: May 2016

AbstractDie Umsetzung der Cyclopropyltrimethylsilyl‐ketone (I) mit HCl bzw. Lewis‐Säu‐ren führt in Abhängigkeit vom Substitutionsmuster und der eingesetzten Säure unter Ringöffnung zu den Ketonen (II) und/ oder unter Ringerweiterung zu den Dihydrofuranen (III).
ChemInform Abstract: Oxidation of Organyl(silatran‐1‐ylalkyl)sulfides.
Authors: VORONKOV M. G. , SOROKIN M. S. 
Published: May 2016

AbstractDie Oxidation der Silatranyl‐substituierten Sulfide (I) mit 30%igem H2O2 führt in hohen Ausbeuten zu den Sulfoxiden (II), die ebenfalls mit Monoperoxyphthalsäure oder NO2 als Oxidationsmittel erhalten werden.
ChemInform Abstract: Chemistry of Polyfunctional Molecules. Part 98. Oxidative Ring Enlargement of the P3‐Nortricyclane, 4‐Methyl‐1,2,6‐triphosphatricyclo[2.2.1.02,6]heptane, by Sulfur and Selenium to Hetero Noradamantanes and Adamantanes.
Authors: ELLERMANN J. , DEMUTH A. A. M. , BAUER W. 
Published: May 2016

AbstractThe triphosphatricyclo‐heptane (II) reacts with sulfur or selenium in a sealed tube under vacuum to yield the expanded Compounds (I), (III), or (IV), depending on the molar ratio of the reactants (1:3, 1:5, 1:6).
ChemInform Abstract: Phosphorus Compounds with Unusual Coordination. Part 12. Diels‐Alder Reactions with tBu ‐ C ≡ P ‐ a Lucrative Access to λ3‐Phosphorines.
Authors: ROESCH W. + , REGITZ M. 
Published: May 2016

AbstractDiels‐Alder reactions of the phosphaalkyne (II) with the cyclic dienes (I) generate the adducts (III) which decompose spontaneously with elimination of "X" to yield the λ3‐phosphorines(IV).
ChemInform Abstract: f‐Element/Crown Ether Complexes. Part 1. Synthesis and Structure of [Y(OH2)8]C13 . (15‐crown‐5).
Authors: ROGERS R. D. , KURIHARA L. K. 
Published: May 2016

AbstractA solution of the crown ether in CH3CN ‐ CH3OH (3:1) reacts with YCl3 · n H2O at 60°C for 20h to give the title complex (no yield given).
ChemInform Abstract: Transition Metal‐Ketene Compounds. Part 27. Variable Electron‐Donor Ability of Alkyne Ligands
Authors: KREISSL F. R. , REBER G. , MUELLER G. + 
Published: May 2016

AbstractThe reaction of the ketenyl compound (I) with the electron‐rich ynamine (II) does not undergo a cyclo‐addition reaction but leads via replacement and concomitant opening of the WC2 three‐membered ring to the title complex (III).
ChemInform Abstract: Synthesis of 17α‐Bromovinyl‐ and 17α‐Iodovinylnortestosterone Derivatives.
Authors: HOFMEISTER H. , LAURENT H. , SCHULZE P.‐E. , WIECHERT R. 
Published: May 2016

AbstractBy the choice of appropriate reaction conditions, norethisterone (Ia) and the derived ketal (Ib) can be selectively converted to either Z‐ or E‐compounds (II).
ChemInform Abstract: Enantiomeric Differentiation of Racemic Organic Salts by Chiral Crown Ethers Derived from Sugars.
Authors: GEHIN D. , DI CESARE P. , GROSS B. 
Published: May 2016

AbstractAusgehend von den partiell geschützten Zuckern (I) werden die optisch aktiven Kronenether (V) aufgebaut, deren Komplexe mit α‐Aminosäure‐estern untersucht werden.
ChemInform Abstract: Studies on Tetrahydroisoquinolines. Part 28. Syntheses of (±)‐N‐Methyllaurotetanine, (±)‐Cassythicine, (±)‐9‐Hydroxy‐1,2,3,10‐tetramethoxyaporphine, (±)‐Dicentrine, and (±)‐Thalicsimidine.
Authors: HARA H. , HASHIMOTO F. , HOSHINO O. , UMEZAWA B. 
Published: May 2016

AbstractOxidation der Tetrahydroisochinoline (I) mit Blei(IV)‐acetat liefert die o‐Chinolacetate (II), aus denen durch Cyclisierung mit Schwefelsäure/Acetanhydrid und nachfolgende alkalische Hydrolyse racemisches(±)‐ N‐Methyllaurotetanin (IIIa), (±)‐Cassythicin (IIIb) und (±)‐9‐Hydroxy‐1,2,3,10‐tetramethoxyaporphin (IIIc) erhalten werden.
ChemInform Abstract: Chemical Alterations of Nucleic Acids and Their Components. Part 14. Synthesis of 7‐Aminoguanosine and Its Conversion to 8‐Substituted Derivatives.
Authors: KOHDA K. , BABA K. , KAWAZOE Y. 
Published: May 2016

AbstractDas bei der Aminierung von Guanosin (I) mit dem Hydroxylamin (II) erhaltene instabile katio‐nische N‐Amino‐Derivat (III) liefert beim Erhitzen mit Wasser das Cycloguanosin (IV) und das 8‐Hydroxyguanosin (V).
ChemInform Abstract: Raman Spectroscopic Studies of Vapor Complexation in the MCl4‐POC13 and MCl4‐AlCl3 (M = Zr or Hf) Binary Systems
Authors: BOGHOSIAN S. , PAPATHEODOROU G. N. , BERG R. W. , BJERRUM N. J. 
Published: May 2016

Abstract300‐500°C. Acomparison of the vapor spectra features of the systems ZrCl4‐POC13 and HfCl4‐POC13 with the spectra of‐the l :l liquid and glass MCl4‐ POCl3 (M: Zr or Hf) indicate that the vapor complexes also have l:l stoichiometry and that complexing occurs via oxygen bridging.
ChemInform Abstract: First Observation of Electroluminescence (EL) at the p‐Type Semiconductor/Electrolyte Interface Caused by Electron Injection: Energetics of Adsorbed Hydrogen at the p‐GaAs Electrode.
Authors: UOSAKI K. , KITA H. 
Published: May 2016

AbstractEL due to a band‐to‐band transition is observed at the p‐ GaAs/l M NaOH and p‐GaAs/0.5 M H2SO4 interfaces just after the potential is pulsed from strong negative bias to the potential near the ?at band potential.
ChemInform Abstract: Wear‐Corrosion Mechanism of Stainless Steel in Chloride Media.
Authors: ABD‐EL‐KADER H. , EL‐RAGHY S. M. 
Published: May 2016

AbstractAt anodic potentials, an oxide film is formed on 18 Cr‐ l0 Ni stainless steel and the wear rate is almost twice the rate under cathodic protection.
ChemInform Abstract: Comparison of the Complexation of Open‐Chain and Cyclic N2S2 Ligands with Cu+ and Cu2+.
Authors: KADEN T. A. , KADERLI S. , SAGER W. , SIEGFRIED‐HERTLI L. C. , ZUBERBUEHLER A. D. + 
Published: May 2016

AbstractWith Cu2+, the open‐chain ligands (I) give the complexes (III) and (IV), the stabilities and absorption spectra of which have been determined.
ChemInform Abstract: The [4 + 4] Dimerization of 2,3‐Dimethylene‐2,3‐dihydrofuran: Secondary Deuterium Kinetic Isotope Effect Evidence for a Two‐Step Mechanism.
Authors: CHOU C.‐H. , TRAHANOVSKY W. S. 
Published: May 2016

AbstractThe title compound and its isotopomers (I) are generated by flash vacuum pyrolysis.
ChemInform Abstract: Photochemical Reaction of 1,4‐Naphthalenedicarbonitrile with Alkylbenzenes and Bibenzyls.
Authors: ALBINI A. , FASANI E. , MELLA M. 
Published: May 2016

AbstractIn contrast to (IIb) alkylbenzene(IIa) quenches the fluorescence of (I) by a subsequent reaction to give (IIIa) and (IVa).
ChemInform Abstract: l‐Naphthylcarbene: Spectroscopy, Kinetics, and Mechanisms.
Authors: BARCUS R. L. , HADEL L. M. , JOHNSTON L. J. , PLATZ M. S. , SAVINO T. G. , SCAIANO J. C. 
Published: May 2016

AbstractThe title carbene (II), which cannot be observed directly, forms the product (III) via insertion.
ChemInform Abstract: Diazabenzosemibullvalene. A Precursor to the Benzoprefulvene Biradical and Indenylmethylene.
Authors: KJELL D. P. , SHERIDAN R. S. 
Published: May 2016

AbstractThe title compound (IV) is prepared according to the scheme starting from the previously reported naphtha1ene‐N‐methyl‐triazolinedione adduct (I) (40‐70% yields); the intermediate hydrazine (III) cannot be isolated and does not oxidize with O2, but with 4‐Methyl‐1,2,4‐triazoline‐3,5‐dione.
ChemInform Abstract: Asymmetric Oxidation of Olefins with Osmium Tetroxide Coordinated by Chiral Diamines Derived from L‐Tartaric Acid.
Authors: YAMADA T. , NARASAKA K. 
Published: May 2016

AbstractIn Gegenwart des chiralen Diamins (I) werden die Olefine (II) und (VI) durch Osmiumtetroxid enantioselektiv in die cis‐ Diole (III) bzw. (VII) übergeführt.
ChemInform Abstract: Epoxidation Advance May Spur Its Industrial Use.
Authors: STINSON S. 
Published: May 2016

AbstractIn Gegenwart von Molekularsieben benötigt man für die asymmetrische Sharpless‐Epoxidation von Allylalkoholen nur noch katalytische Mengen an Titan(IV)‐isopropylat und ( +)‐ bzw. (‐)‐Weinsäure‐diethylester.
ChemInform Abstract: Regioselective Reduction of Polyketones on Silica Gel Surface with Borane‐Trimethylamine Complex.
Authors: GOHZU S. , TADA M. 
Published: May 2016

AbstractVerschiedene Polyketone wie die Steroide (I) und die bicyclischen Verbindungen (IV) werden unter den angegebenen Bedingungen regioselektiv zu den entsprechenden Alkoholen reduziert.
ChemInform Abstract: A Selective 1,2‐Reduction of γ‐Amino‐α,β‐Unsaturated Esters by Means of BF3‐ OEt2 ‐DIBAL‐H System.
Authors: MORIWAKE T. , HAMANO S. , MIKI D. , SAITO S. , TORII S. 
Published: May 2016

AbstractDie im Titel genannten Verbindungen (I) werden durch konsekutive Zugabe von Bortrifluoridetherat (zur Komplexierung am N‐Atom) und Diisobutylaluminiumhydrid (II) in hohen Ausbeuten in die Allylalkohole (III) übergeführt.
ChemInform Abstract: Friedel‐Crafts Acylation of 1‐Methoxy‐3,5‐dimethylbenzene and the Kinetics of Protiodeacylation of the Ketones thus Obtained.
Authors: AL‐KA'BI J. , GORE P. H. , MOONGA B. , AL‐SHIEBANI I. S. , SHIBALDAIN N. L. , KAMOUNAH F. S. 
Published: May 2016

AbstractWhile acylation of the title compound (Ia) affords exclusively the product (Ib), benzoylation leads to mixtures of the derivatives (Id) and (Ie).
ChemInform Abstract: Facile Conversion of Tetrahydropyranyl and Silyl Ethers into Esters Using Acid Chlorides and Zinc Chloride.
Authors: KIM S. , LEE W. J. 
Published: May 2016

AbstractDie Tetrahydropyranyl‐ bzw. Silylether (I) werden mit Säurechloriden (II) in Gegenwart von Zinkchlorid zu den entsprechenden Estern (III) umgesetzt.
ChemInform Abstract: Photosensitized Dimerization of Phenol in Porphyrin‐Quinone‐Phenol System.
Authors: MARUYAMA K. , FURUTA H. 
Published: May 2016

AbstractIn Gegenwart von Tetraphenylporphyrin (TPP) und eines Chinons wie p‐Benzochinon ′ wird das p‐Methoxyphenol (I) zu (II) photodimerisiert, wobei die Quantenausbeute vom Redox‐Potential des verwendeten Chinons abhängt.
ChemInform Abstract: A Versatile Synthesis of Vicinal Diazides Using Hypervalent Iodine.
Authors: MORIARTY R. M. , KHOSROWSHAHI J. S. 
Published: May 2016

AbstractAus den Olefinen (I) entstehen mit Natriumazid (II) in Gegenwart von Iodosobenzol in Eisessig die Diazide (III) sowie im Falle von (Ia) geringe Anteile des Azido‐ketons (IVa).
ChemInform Abstract: Pseudoesters and Derivatives. Part 23. Reaction of 3‐Bromo‐5‐methoxyfuran‐ 2(5H)‐one with Nucleophiles.
Authors: FARINA F. , MAESTRO M. C. , MARTIN M. R. , MARTIN M. V. , SANCHEZ F. , SORIA M. L. 
Published: May 2016

AbstractThe reactions between the title compound (I) and various nucleophiles are investigated in a solid ‐ liquid two‐phase system according to method A).
ChemInform Abstract: Oxidative Coupling of Ketene Dithioacetals with Silylated Carbon Nucleophiles by the Use of Trityl Tetrafluoroborate.
Authors: HASHIMOTO Y. , MUKAIYAMA T. 
Published: May 2016

AbstractDie durch Hydrid‐Abstraktion mit Trityltetrafluoroborat (II) aus den cyclischen S,S‐Acetalen (I), (IV) bzw. (XI) zugänglichen Salze (III) reagieren mit C‐Nucleophilen wie den Silylenolethern (V), (VII) und (XII) oder dem Allylsilan (IX) regiospezifisch zu den neuen S,S‐Thioketenacetalen (VI), (VIII), (X) bzw. (XIII).
ChemInform Abstract: Reaction of Diarylnitrilimines with Ethyl 1,4‐Benzodioxin‐2‐carboxylate.
Authors: HLIMI F. , TSHIAMALA K. , VEBREL J. , LAUDE B. 
Published: May 2016

AbstractThe dioxin carboxylates (I) react with the nitrilimines (II) to give the cycloadducts (III), which are converted via the phenoxypyrazoles (IV) [or directly by treatment first with KOH and then 2 M HCl] to the acids (V).
ChemInform Abstract: On the Derivatization of 3‐Amino‐pyrazole‐4‐carboxylic Acid.
Authors: HANNING E. , BEYER G. , LABAN G. 
Published: May 2016

AbstractDie Aminopyr‐ azolcarbonsäuren (II) werden nach bekannten Methoden in die Carbonsäureester (I) und Carbonsäureamide (III) umgewandelt.
ChemInform Abstract: Synthesis and Reactions of Some New 2‐(4′‐(3",4"‐Xylene sulphonamido)phenyl)‐ 4‐arylmethylene‐oxazolin‐5‐ones.
Authors: HABIB O. M. O. , HASSAN H. M. , MOAWAD E. B. 
Published: May 2016

AbstractThe oxazolinones (III) are prepared from the acid (I) and the aldehydes (II) according to literature data.