bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Selective Oxidation of Saturated Hydrocarbons Using an Electrochemical Modification of the Gif System.
Authors: BALAVOINE G. , BARTON D. H. R. , BOIVIN J. , GREF A. , OZBALIK N. , RIVIERE H. 
Published: May 2016

AbstractDie Oxidation der Kohlenwasserstoffe (I), (V), (VIIa) und (VIIIa) zu den Carbinolen (II), (III), (VIa), (VIIb) bzw. (VIIIb) und den Ketonen (IV), (VIb), (VIIc) oder (VIIIc) wird durch eine elektrochemische Variante der Gif‐ Reaktion erreicht.
ChemInform Abstract: Photogeneration of Carbon Monoxide and of Hydrogen via Simultaneous Photochemical Reduction of Carbon Dioxide and Water by Visible‐Light Irradiation of Organic Solutions Containing Tris(2,2′‐bipyridine)ruthenium(II) and Cobalt(II) Species as Homogeneous Catalysts.
Authors: ZIESSEL R. , HAWECKER J. , LEHN J.‐M. 
Published: May 2016

AbstractCO and H2 are photogenerated by visible‐light irradiation of systems containing l. a photosensitizer, the complex (I), 2. a Co(II) species [e.g.
ChemInform Abstract: Titanium‐Mediated Reduction of Nitrobenzenes and Benzil with Dialkyl Telluride.
Authors: SUZUKI H. , HANAZAKI Y. 
Published: May 2016

AbstractDie Nitrobenzole (I) lassen sich in guten Ausbeuten mit Dialkyltelluriden in Gegenwart von Titantetrachlorid zu den Anilinen (II) reduzieren.
ChemInform Abstract: Reactions of cis‐Silyl Tin Olefins: (anti‐Denmark) Nazarov Cyclization of β‐Silyl Divinyl Ketones.
Authors: CHENARD B. L. , VAN ZYL C. M. , SANDERSON D. R. 
Published: May 2016

AbstractDie Acetylene (I) addieren die Trialkylsilylzinn‐Derivate (II) zu den Olefinen (III), deren Stannylrest mit den Säurechloriden (IV) in Gegenwart von Pd‐Komplexen zu den Acylverbindungen (V) substituiert werden kann.
ChemInform Abstract: Remarkable Hypervalent Organic Polyhalogen Species Prepared.
Authors: DAGANI R. 
Published: May 2016

AbstractBei der Einwirkung von Polyfluoralkenen auf Tris‐(dimethylamino)‐sulfoniumtrimethyldifluorsiliconat in THF oder Acetonitril erhält man nach den Angaben einer Arbeitsgruppe bei Du Pont die perfluorierten Carbanionsalze (I), die sich mit den perfluorierten Alkyliodiden (II) zu den Hypervalenzverbindungen (zweifachkoordinierte 10‐Elektronen Iodinanidsalze) (III) umsetzen.
ChemInform Abstract: Jasmonoids. Part 1. Dicarbanions Alkylation Approach to Synthesis of Z‐Jasmone/ Dihydrojasmone.
Authors: REDDY R. T. , NAYAK U. R. 
Published: May 2016

AbstractDas Lacton (I) wird zu (III) substituiert und dann nach alkalischer Spaltung zu (IV) durch Oxidation mit PCC in die Diketone (V) umgewandelt.
ChemInform Abstract: Favorskii Reaction of 2‐Bromobicyclo[3.3.1]nonan‐3‐one.
Authors: ITOOKA T. , MATOBA K. , YAMAZAKI T. , MURAOKA O. , MOMOSE T. 
Published: May 2016

AbstractDie Favorskii‐Umlagerung des 2ß‐ (II) bzw. Za‐Brom‐bicyclononans (III) mit Natriummethanolat in Methanol oder Dimethoxyethan (DME) bei 0°C führt stereospezifisch zu dem exo‐ Ester (V).
ChemInform Abstract: Dimethylenebicyclo[1.1.1]pentanone.
Authors: DOWD P. , PAIK Y. H. 
Published: May 2016

AbstractDas Bis‐chlormethyl‐tricyclopentanon (I) wird in das Acetal (II) übergeführt und dann mit den Hydrazinen (III) zu den cyclischen Hydrazonen (IVa) und (IVb) kondensiert.
ChemInform Abstract: Rapid Synthesis of Aldehyde Acetals.
Authors: KROSHTAL' G. V. , DVORZHAK D. , ARNOL'D Z. , YANOVSKAYA L. A. 
Published: May 2016

AbstractDie Acetarlisierung der Aldehyde (I) bzw. (IV) mit Triethylorthoformiat (II) zu den Acetalen (III) bzw. (V) verläuft in Gegenwart von Perchlorsäure im Vergleich zu der Ammoniumnitrat‐katalysierten Reaktion schnell und liefert hohe Ausbeuten.
ChemInform Abstract: Exclusive Cyclization at Sulfur in Photolysis of β‐[(o‐Arylthio)phenyl]vinyl Bromides.
Authors: KITAMURA T. , KAWASATO H. , KOBAYASHI S. , TANIGUCHI H. 
Published: May 2016

AbstractIm Gegensatz zu den entsprechenden Sauerstoff‐Analoga entstehen bei der Photolyse der Thioethervinylbromide (I) ausschließlich die Benzothiophene (II) und die Phenanthrobenzothiophene (III).
ChemInform Abstract: Reactivity of Pyrrole Pigments. Part 8. Preparation of 5(2H)‐Dipyrrylmethanones from 5(1H)‐Pyrromethenones by Reduction with Sodium Dithionite.
Authors: FARRERA J. A. , RIBO J. M. , SERRA X. , TRULL F. R. 
Published: May 2016

AbstractThe pyrromethenones (I) are reduced to afford the dipyrrylmethanones (II) in fair to high yields.
ChemInform Abstract: Condensed Heteroaromatic Ring Systems. Part 6. Synthesis of Indoles and Pyrrolopyridines from o‐Nitroarylacetylenes.
Authors: SAKAMOTO T. , KONDO Y. , YAMANAKA H. 
Published: May 2016

AbstractAusgehend von den Bromnitroaromaten (I), (VIII) und (XI) sowie dem Chlorcyanopyridin (XIV) werden auf den im Schema angegebenen Wegen die Indole (IV) bzw. die Pyrrolopyridine (X), (XIII) und (XVII) hergestellt.
ChemInform Abstract: Facile Method for Preparation of 2‐Substituted Pyrimidin‐4(3H)‐ones by Retro Diels‐Alder Reaction.
Authors: STAJER G. , SZABO A. E. , BERNATH G. , SOHAR P. 
Published: May 2016

AbstractDas Azatricyclononen (I) reagiert mit den Imidaten (II) unter Ringerweiterung zu den Tricyclen (III).
ChemInform Abstract: Cycloaddition of Benzodiazepine Nitrones to Alkynes: Synthesis and X‐Ray Analysis of Some Tricyclic Quinoxalines.
Authors: CAPOZZI G. , OTTANA R. , ROMEO G. , SINDONA G. , UCCELLA N. , VALLE G. 
Published: May 2016

AbstractReaction of the alkynes (I) with the nitrone (II) in THF at 65°C yields the tricyclic quinolines (III), in part together with the intermediates (IV).
ChemInform Abstract: Synthesis and Ammonium Cryptate of Dissymmetric Cylindrical Macrotricycle Containing Crown Ether and Cyclophane Units.
Authors: SAIGO K. , LIN R.‐J. , KUBO M. , YOUDA A. , HASEGAWA M. 
Published: May 2016

AbstractDie Synthese des "zylindrischen" Kryptanden (V) wird beschrieben.
ChemInform Abstract: Synthesis of Spirocyclosiloxanes by Flash Vacuum Pyrolysis of 2,7‐Dimethyl‐ 2,3:7,8‐diepoxy‐5‐silaspiro[4.4]nonane and Cyclosiloxanes.
Authors: JUENGST C. D. , WEBER W. P. , MANUEL G. 
Published: May 2016

AbstractFlash‐Vakuum‐Pyrolyse (FVP) von Gemischen aus dem Spirosilanonan (IV) und den Cyclosiloxanen (III) oder (VI) liefert die Spirocyclosiloxane (V) bzw. (VII).
ChemInform Abstract: On the Reaction of Phosphorus Pentachloride 1‐Alkene Adducts with Arsenic Trifluoride.
Authors: FRIDLAND S. V. , MIFTAKHOV M. N. , DMITRIEVA N. V. 
Published: May 2016

AbstractDas Additionsprodukt von Phosphorpentachlorid an die Alkene (I) reagiert in Benzol in Gegenwart von Arsentrifluorid nach Art einer Friedel‐Crafts‐Alkylierung je nach Temperatur zu den Alkylbenzolen (III) sowie dem Alkenylphosphortetra?uorid (II) oder den AIkylphosphonsäuredifluoriden (IV).
ChemInform Abstract: Synthesis of Vinylic Tellurides.
Authors: DABDOUB M. J. , DABDOUB V. B. , COMASSETO J. V. , PETRAGNANI N. 
Published: May 2016

AbstractBeschrieben werden verschiedene im Schema angegebene Methoden zur Synthese der im Titel genannten Verbindungen (IV), (VI), (VIII), (IX), (XI), (XV) und (XVIII) unter Verwendung nucleophiler und elektrophiler Tellurverbindungen.
ChemInform Abstract: Identification of Some Intermediates in the Titanocene‐Catalyzed Dehydrogenative Coupling of Primary Organosilanes.
Authors: AITKEN C. T. , HARROD J. F. , SAMUEL E. 
Published: May 2016

AbstractThe dehydrogenative polymerization of the silane (II) under the catalytic influence of the titanocene (I) is investigated by NMR spectroscopy.
ChemInform Abstract: Reaction of Zirconocene Dichloride with Alkyllithiums or Alkyl Grignard Reagents as a Convenient Method for Generating of "Zirconocene" Equivalent and Its Use in Zirconium‐Promoted Cyclization of Alkenes, Alkynes, Dienes, Enynes, and Diynes.
Authors: NEGISHI E. , CEDERBAUM F. E. , TAKAHASHI T. 
Published: May 2016

AbstractDicyclopentadienyl‐dichlorzirconium (I) reagiert mit Lithiumalkylen oder Grignard‐Verbindungen (II) zu den Derivaten (III), die mit dem Silyl‐1‐hepten‐6‐in (IV) den Bicyclus (V) bilden.
ChemInform Abstract: Reactivity of Mixed Cyclometalated Palladium Compounds Containing the [2‐Me2NC6H4C(H)SiMe3] Monoanion.
Authors: MAASSARANI F. , PFEFFER M. , SPEK A. L. , SCHREURS A. M. M. , VAN KOTEN G. 
Published: May 2016

AbstractDepending on the nature of the SR; ligand the reactions of the mixed cyclometalated compound (I) with (II) provide either the transmetalation products (III) and (IV) or the novel compound (V).
ChemInform Abstract: Water‐Soluble Active Ester Method. (Part 2. Synthesis of Oligopeptides by Using p‐ Dialkylsulfoniophenyl Esters.
Authors: KOUGE K. , KOIZUMI T. , OKAI H. 
Published: May 2016

AbstractReaction of the sulfonium salts (I) with benzyl‐ oxycarbonyl Chloride (II) yields the benzylcarbonates (III), of which (IIIa) and (IIIc) are soluble in water (30%).
ChemInform Abstract: 6‐Methoxy‐3‐propenyl‐2‐pyridine Carboxylic Acid: A New Pyridine Alkaloid from Melochia corchorifolia.
Authors: BHAKUNI R. S. , SHUKLA Y. N. , THAKUR R. S. 
Published: May 2016

AbstractAus ethanolischen Extrakten der oberirdischen Pflanzenteile von Melochia corchorifolia Linn.
ChemInform Abstract: 2′‐Deoxyribofuranosides of 6‐Oxoallopurinol and of Related 4,6‐Disubstituted Pyrazolo[3,4‐d]pyrimidines.
Authors: SEELA F. , MENKHOFF S. 
Published: May 2016

AbstractThe nucleobase derivatives (I) are glycosylated by the halogenose (II), using phase transfer catalysis, to yield the N‐glycosyl derivatives (III).
ChemInform Abstract: Total Synthesis of Tetracycline.
Authors: WASSERMAN H. H. , LU T.‐J. , SCOTT A. I. 
Published: May 2016

AbstractAnhydrotetracycline (II), which can be prepared by a reported 12a‐hydroxylation of ( ‐ )‐(I), is photooxidized in water‐cooled CHCl3 with meso‐tetraphenylporphine (TPP) as sensitizer.
ChemInform Abstract: Characterization of Vapor‐ Deposited Tin‐Doped Indium Oxide Films.
Authors: ENLOE J. H. , WIRTZ G. P. 
Published: May 2016

AbstractPolycrystalline Sn‐doped In2O3 films have been vapor deposited on Y2O3‐stabilized ZrO2 substrates by an electrochemical technique.
ChemInform Abstract: Cathode Performance Improvement in Calcium‐Thionyl Chloride Cells.
Authors: WALKER C. W. JUN. , WADE W. L. JUN. , BINDER M. , GILMAN S. 
Published: May 2016

AbstractFour types of porous carbon cathodes have been studied in flooded Ca/SOCI; cells: 1) Shawinigan acetylene black (SAB), 2) SAB treated with acetone (ASAB), 3) Black Pearls 2000 treated with acetone (ABP), and 4) a blend of 75% SAB and 25% ABP.
ChemInform Abstract: Performance Study of a Fuel Cell Pt‐on‐C Anode in Presence of CO and CO2, and Calculation of Adsorption Parameters for CO Poisoning.
Authors: DHAR H. P. , CHRISTNER L. G. , KUSH A. K. , MARU H. C. 
Published: May 2016

AbstractThe polarization of a fuel cell Pt/ Canode has been mearsured under conditions similar to that of an operating fuel cell at atmospheric pressure (100 Wt.‐% H3PO4, 190°C) in the presence of H2 and mixtures of H2, CO2, and CO.
ChemInform Abstract: Electrochemical Reduction of Oxygen at Platinum Electrodes in KOH Solutions
Authors: PARK S.‐M. , HO S. , ARULIAH S. , WEBER M. F. , WARD C. A. , VENTER R. D. , SRINIVASAN S. 
Published: May 2016

AbstractTemperature and Concentration Effects have been studied using rotating disk (RDE) and ring‐disk electrode (RRDE) techniques.
ChemInform Abstract: Gas‐Phase Composition Effects on the Iron Sulfide Scaling Reaction.
Authors: ORCHARD J. P. , YOUNG D. J. 
Published: May 2016

AbstractPure iron has been sulfidized in H2S/H2/N2 gas mixtures (corresponding to p(S2) = 6.5·10‐5‐6.5·10‐1 Pa at temp. in the range 793‐1073 K. It is shown that the source of reactant sulfur is H2S rather than S2 and that the reaction proceeds via a heterogeneous reaction on the solid sulfide surface, which is slow in reaching equilibrium.
ChemInform Abstract: Effect of Meso Substituents on Exchange‐Coupling Interactions in p‐Oxo Iron(III) Porphyrin Dimers.
Authors: HELMS J. H. , TER HAAR L. W. , HATFIELD W. E. , HARRIS D. L. , JAYARAJ K. , TONEY G. E. , GOLD A. , MEWBORN T. D. , PEMBERTON J. R. 
Published: May 2016

AbstractExchange‐coupling constants for (Ia)‐(Id) investigated by variable‐temp.
ChemInform Abstract: Synthesis and Solution Structure of [Va13]‐HC Toxin by 1H and 13C NMR Relaxation Parameters.
Authors: MASCAGNI P. , PRUGNOLA A. , GIBBONS W. A. , NICCOLAI N. 
Published: May 2016

AbstractThe title compound (II) is synthesized starting from the linear tetrapeptide ester (Ia) via the intermediates (Ib) and (Ic) (no yields given).
ChemInform Abstract: Structure, Conductivity, and Magnetic Properties of (Phthalocyaninato)nickel(II) Bromide.
Authors: PALMER S. M. , STANTON J. L. , HOFFMAN B. M. , IBERS J. A. 
Published: May 2016

AbstractThe title compound has been prepared by the oxidation of phthalocyaninatonickel with Br2.
ChemInform Abstract: Electrochemical Behaviour of Acyclic and Macrocyclic Complexes of Nickel(II), Copper(II) and Uranyl(VI).
Authors: ZANELLO P. , CINQUANTINI A. , GUERRIERO P. , TAMBURINI S. , VIGATO P. A. 
Published: May 2016

AbstractThe electrochemical behavior of a series of the mononuclear, homo‐ and hetero‐dinuclear Complexes (I)‐(V) with acyclic and cyclic compartmental ligands, prepared by known methods, is investigated.
ChemInform Abstract: Benzohydrazides, Benzothiohydrazides, and Benzamidrazones as Sources of 1,3,4(2H)‐Oxadiazolinones, 1,3,4(2H)‐Thiadiazolinones, and 1,2,4(5H)‐ Triazolinones.
Authors: BARNISH I. T. , FUNG S. C. , GIBSON M. S. , KHAN S. R. , PAWALCHAK G. A. , TSE K. M. 
Published: May 2016

AbstractDie Ringschlußreaktionen der Benzohydrazide (I), der Benzothiohydrazide (III) oder der Benzamidrazone (V) führen zu den Oxa‐ oder Thiadiazolinonen bzw. Triazolinonen (II), (IV) oder (VI).
ChemInform Abstract: Photoinduced Radical Formation of Bis(phthalocyaninato)lanthanoid(III) in a Solvent Mixture of Dichloromethane and Acetonitrile.
Authors: KASUGA K. , MORIMOTO H. , ANDO M. 
Published: May 2016

AbstractUpon photoirradiation ‐ (Ä 320 nm) of the complexes (I) in a solvent mixture of CH2Cl2 and MeCN absorption and ESR measurements confirm the formation of a radical species of phthalocyanine.
ChemInform Abstract: The High Pressure Mediated Reaction of π‐Excessive Heterocycles with Maleic Anhydride Derivatives: A Synthetic Approach to Cantharidin Analogues.
Authors: MATSUMOTO K. , HASHIMOTO S. , IKEMI Y. , OTANI S. , UCHIDA T. 
Published: May 2016

AbstractDas Dimethoxyfuran (I) reagiert mit den Anhydriden (II) unter Druck zu den instabilen Addukten (III), die durch katalytische Hydrierung in die gesättigten Tricyclen (IV) übergeführt werden.
ChemInform Abstract: The Role of Copper(II) Salts in the Oxidation of Ary1‐Substituted Alkenes by Peroxydisulphate Anion.
Authors: DOBSON P. , NORMAN J. A. , THOMAS C. B. 
Published: May 2016

AbstractReaction method A) is found to represent the best conditions for the title reaction of the alkenes (I) and (VIII).
ChemInform Abstract: Studies Directed Toward the Synthesis of Conformationally Restricted Neurotransmitter Analogs: The Addition of N‐Hydroxyimides to Ethyl Propiolate.
Authors: BREAUX E. J. 
Published: May 2016

AbstractDie N‐Hydroxyimide (I) addieren den Propiolsäureester (II) zu einem Gemisch der Isomeren (III) und (IV).
ChemInform Abstract: Esterification of Maleanilic Acids: Intramolecular Esterification Through Imidate Ester.
Authors: KUMAR B. , VERMA R. K. , SINGH H. 
Published: May 2016

AbstractThe reaction mixture, obtained from the acids (I) and SOCl2, when quenched v′vith H2O or alcohol, does not yield the corresponding esters but the compounds (II).
ChemInform Abstract: Synthesis and Properties of 2‐Nitrosopolyfluoroalkylfluorosulfates.
Authors: FOKIN A. V. , RAPKIN A. I. , CHILIKIN V. G. , VERENIKIN O. V. , STUDNEV YU. N. 
Published: May 2016

AbstractNitrosylfluorsulfonsäure (I) reagiert mit den Fluorolefinen (II) zu den Nitrosylfluoralkylfluorsulfonaten (III), die überschüssiges (II) z.Tl. bereits bei der Darstellung zu den Oxazetidinen (IV) oder zu Polymeren addieren.
ChemInform Abstract: Reactions of Bromine and Cyclohexene in Aqueous Media. Selectivity of Bromohydrine vs. Dibromo Adduct Formation.
Authors: ZABICKY J. , NUTKOVITCH M. 
Published: May 2016

AbstractDie Brom‐Addition an Cyclohexen (I) in Wasser führt in Abhängigkeit von den Reaktionsbedingungen mit hoher Selektivität entweder zu dem Bromhydrin (II) oder zu dem Dibromid (III).
ChemInform Abstract: Fluoroindenes. Part 8. Synthesis of Polyfluoroindenes Containing Chlorine in the Aromatic Ring by Dehalogenation of Products Resulting from the Reaction of 1‐Chlorononafluoroindane with LiCl.
Authors: KARPOV V. M. , PLATONOV V. E. , YAKOBSON G. G. 
Published: May 2016

AbstractDurch Reaktion von 1‐Chlor‐nonafluorindan (I) mit Lithiumchlorid wird ein Gemisch der Di‐ und Trichlorindane (II)‐(IV) mit den Dimethylaminoderivate (V)‐(VIII) aus der Reaktion mit dem Lösungsmittel erhalten.
ChemInform Abstract: Reaction of 1‐Alkyl‐2‐aryl‐3‐(2‐methyl‐2,3‐epoxypropionyl)aziridines with Boron Trifluoride Etherate in Methanolic Solution.
Authors: ZVONOK A. M. , KUZ'MENOK N. M. , TISHCHENKO I. G. 
Published: May 2016

AbstractDie Aziridinylketone (I) bilden mit Bortrifluoridetherat in Abhängigkeit von der Raumerfüllung der Substituenten des Aziridinstickstoffs und der cis‐ oder trans‐Ständigkeit der Substituenten am Azirid instickstoff die Bortrifluoridkomplexe (II) oder unter Öffnung des Aziridin‐ bzw. des Oxiranringes die Verbindungen (III)‐(V).
ChemInform Abstract: Investigation of the Thermal Decomposition of Azido‐dithienyl‐ethenes and ‐ethanes.
Authors: FARNIER M. , BROST M. , HANQUET B. , GUILARD R. 
Published: May 2016

AbstractBei der Thermolyse der isomeren Dithienyl‐ethylen‐azide (I) entstehen unter Stickstoffabspaltung die Ringschlußprodukte (II), während die isomeren Azide (III) lediglich zu den Aminen (IV) zersetzt werden.
ChemInform Abstract: Condensed Heteroaromatic Ring Systems. Part 10. Synthesis of Benzindoles from o‐ Bromonaphthylamines.
Authors: SAKAMOTO T. , KONDO Y. , YAMANAKA H. 
Published: May 2016

AbstractDie Palladium‐katalysierte Kupplung der drei isomeren Brom‐naphthylcarbamate (I), (V) und (VIII) mit den Acetylenen (II) liefert die Ary lalkine (III), (VI) und (IX), die direkt als Rohprodukte mit Natriumethanolat in Ethanol zu den isomeren Benzindolen (IV), (VII) und (X) cyclisiert werden.
ChemInform Abstract: Synthesis of Halogenated Hydrazone Derivatives and Their Applicability in the Preparation of 4‐Chloropyrazoles.
Authors: BARLUENGA J. , IGLESIAS M. J. , MUNIZ L. , GOTOR V. 
Published: May 2016

AbstractAus den Imino‐hydrazonen (I) erhält man mit NCS die Chlorverbindungen (II), die unter saurer Katalyse zu den 4‐Chlor‐pyrazolen (III) cyclisiert werden.
ChemInform Abstract: Isothiocyanate‐Mediated Condensation of N‐Acyl‐α‐amino Acids with Aromatic Aldehydes: One‐Pot Synthesis of 1,2‐Disubstituted 4‐Arylmethylene‐2‐imidazolin‐ 5‐ones.
Authors: ASHARE R. , MUKERJEE A. K. 
Published: May 2016

AbstractThe reaction of the acid (I) with the aromatic aldehydes (II) in the presence of the isothiocyanate (III) yields the title compounds (IV) as main products.‐ In addition to (IV), the formation of (Z)‐alkenamides and/or (Z)‐azlactones or N‐ substituted N‐acyl‐a‐aminoacylamides is observed.
ChemInform Abstract: Chemical Reactions of Cycloalkanespirohydantoins. Part 3. Acid Catalyzed Reaction of 4‐Hydroxy‐2‐imidazolidinones. Preparation of Bis(1,3‐diaza‐2‐oxospiro[4,5]decyl‐4)ether.
Authors: PEDREGAL C. , ESPADA M. , SALAZAR L. , ELGUERO J. 
Published: May 2016

AbstractAus den N‐Alkyl‐spirohydantoin‐Derivaten (I) erhält man beim Erhitzen mit Trifluoracetanhydrid in Gegenwart von Trifluoressigsäure über die Salze (II) die Einsch.iebungsprodukte (III) und daneben den symmetrischen Ether (IV).
ChemInform Abstract: Synthesis of 1H‐Imidazo[1,2‐a]imidazole.
Authors: COMPERNOLLE F. , TOPPET S. 
Published: May 2016

Abstract2‐Amino‐imidazol (I) wird durch das Bromacetaldehydacetal (II) in l‐Stellung zu dem Acetal (III) substituiert, das salzsauer zum 1H‐Imidazo[1,2‐a]imidazol‐hydrochlorid (IV) cyclisiert.
ChemInform Abstract: Fused Thiazoles: Synthesis and Antifungal Activity of 2‐Arylidenethiazolo[3′,2′ :1,2]imidazo[5,4‐b]pyridin‐3(2H)‐ones, 2‐Arylidenethiazolo[3,2‐a]benzimidazol‐3(2H)‐ones and 6‐Arylidenethiazolo[3,2‐b]‐s‐triazol‐5(6H)‐ones.
Authors: PRASAD A. R. , RAO A. N. , RAMALINGAM T. , SATTUR P. B. 
Published: May 2016

AbstractTitle compounds of type (III) and (VII) are synthesized as showh in the scheme and screened for antifungal activity.
ChemInform Abstract: Reinvestigation of the Reported Preparation of 3‐(4‐Nitrophenyl)thiazolo[2,3‐c][1,2,4]triazepines.
Authors: PEET N. P. , SUNDER S. 
Published: May 2016

AbstractAus dem Nitrophenyl‐thiazolyl‐hydrazin (I) entstehen mit den Dioxoverbindungen (II) die Pyrazolyl‐Derivate (III).
ChemInform Abstract: A Modified Synthesis of 4‐Chloromethylthiazoles.
Authors: MARZONI G. 
Published: May 2016

Abstract1,3‐Dichloraceton (I) reagiert mit den Thioamiden (II) in Gegenwart von Bicarbonat zu den Hydroxy‐ehlormethyl‐thiazolidinen (III), die mit verschiedenen Säurechloriden zu den 2‐substituierten 4‐Chlormethyl‐thiazolen (IV) dehydratisiert werden.
ChemInform Abstract: Synthesis of Substituted 2‐(1′,3′,4′‐Oxadiazol‐2′‐yl)indoles.
Authors: SINNUR K. H. , SIDDAPPA S. , HIREMATH S. P. , PUROHIT M. G. 
Published: May 2016

AbstractAseries of title compounds of type (IV), (VII) and (IX) is synthesized starting from the hydrazides (I).
ChemInform Abstract: Synthesis and H2‐Antagonistic Activity of N3,N5‐Substituted 1,2,4‐Oxadiazole‐ 3,5‐diamines.
Authors: KRAEMER I. + , SCHUNACK W. 
Published: May 2016

AbstractDas nach dem Formelschema dargestellte Oxadiazol (III) kondensiert mit dem Amin (IV) in der Schmelze zu (V).
ChemInform Abstract: Synthesis and Properties of Tetrazolium N‐Phenacylides.
Authors: MODERHACK D. , LEMBCKE A. 
Published: May 2016

AbstractThe tetrazolium salts (III) or (IV) are prepared from the tetrazoles (I) as shown in the scheme and converted to the N‐ylides (V) or (VI) which are then submitted to standard ylide reactions.
ChemInform Abstract: Synthesis of 2,3‐Diphenyl‐4H‐benzofuro[3,2‐g]furo[3,2‐c][1]benzopyran‐4‐ones and 2,3‐Diphenyl‐4H‐benzofuro[3,2‐g]pyrrolo[3,2‐c][1]benzopyran‐4‐ones.
Authors: AHLUWALIA V. K. , ADHIKARI R. , SINGH R. P. 
Published: May 2016

AbstractDie im Titel genannten Verbindungen (VI) werden gemäß Schema aus den Benzofuran‐Derivaten (I) hergestellt.
ChemInform Abstract: Synthesis of 6‐Arylazo‐substituted 5‐Hydroxy‐2‐hydroxymethyl‐4‐pyridones and Related Compounds.
Authors: IMAFUKU K. , MATSUURA H. 
Published: May 2016

Abstract5‐Hydroxy‐2‐hydroxymethyl‐4‐pyridon (I) wird mit den Dia‐zonium‐Salzen (II) zu den Azoverbindungen (III) gekuppelt.
ChemInform Abstract: Synthesis of Amino Substituted 4‐Oxo‐1,2,3,4‐tetrahydropyridines from Arylhydrazones and Methyl Acrylate.
Authors: BARLUENGA J. , PALACIOS F. , VINA S. , GOTOR V. 
Published: May 2016

AbstractDie in tautomeren Formen vorliegenden Arylhydrazone (I) cyclisieren mit Acrylsäuremethylester (II) in Gegenwart von AlCl3 zu den Dihydropyridonen (III).
ChemInform Abstract: Cyclic Amidines. Part 26. The Reported Syntheses of 7‐Anilino‐6‐aryl‐5,12‐diazabenzlalanthracenes are Reinvestigated and Their Correct Structures Identified.
Authors: UPTON C. 
Published: May 2016

AbstractThe reaction between acetophenone (I) and triphenylguanidine (II) gives not, as reported, 7‐anilino‐6‐phenyl‐5,12‐diaza[a]anthracene, but its isomer (III) (reaction conditions and yield are not given).
ChemInform Abstract: Furopyridines. Part 5. A Simple Synthesis of Furo[2,3‐c]pyridine and Its 2‐ and 3‐Methyl Derivatives.
Authors: MORITA H. , SHIOTANI S. 
Published: May 2016

AbstractDer 3‐Hydroxy‐pyridin‐4‐carbonsäureester (Ib) liefert über die Ether (III) nach Ringschluß die Furanon‐Derivate (IV), die nach Boranat‐ Reduk‐ tion zu (V) zu den Furo[2,3‐c]pyridinen (VI) dehydratisiert werden.
ChemInform Abstract: Novel Synthesis of Pyrido[2,1‐f]‐as‐Triazinium System and Its Zwitterionic Derivatives. Different Reactivities of 1‐ and 3‐Olates with Electrophiles.
Authors: BATORI S. , ZUHASZ‐RIEDL Z. , SANDOR P. , MESSMER A. 
Published: May 2016

AbstractDas N‐Aminopyridinium‐perchlorat (I) reagiert mit den Amiden (II) zu den Triazinium‐perchloraten (IV), wobei die Zwischenstufe (IIIa) isoliert werden kann.