bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Preparation and Antimicrobial Activity of 4‐Aryl‐3‐(phenazon‐4′‐yl)sydnonimine Hydrochloride.
Authors: KAMDAR G. C. , PAREKH H. , PARIKH A. R. 
Published: May 2016

AbstractAminophenazone (I) is coupled with the α‐cyanohydrins (II), derived from aldehydes, to give the phenazones (III) which are treated with nitrous acid and gaseous HCl, forming the sydnonimines (IV).
ChemInform Abstract: Formamidines ‐ Derivatives of Benzo‐2,1,3‐thia(selena)diazole.
Authors: D'YACHENKO E. K. , PESIN V. G. , SMIRNOVA A. A. , KAPITAN A. I. , ROZHKOVA N. D. , PAPIRNIK M. P. 
Published: May 2016

AbstractThe hitherto unknown title compounds, i.e. the formamidines (III), (VII) and (IX) are prepared from the amines (I), (VI) or (VIII) by Vilsmeier synthesis or by reaction with formic acid (IV) and the amide (V).
ChemInform Abstract: Stereochemistry of Conjugate Addition to 4‐ and 5‐Substituted α,β‐Unsaturated δ‐Lactones.
Authors: FLEMING I. , REDDY N. L. , TAKAKI K. , WARE A. C. 
Published: May 2016

AbstractThe unsaturated lactones (I) and (X) and the unsaturated lactam (XIII) undergo conjugate addition reaction with the phenyldimethylsilylcuprate (II) or the Grignard reagent (VII) to give the trans‐products (III), (VIIIa), (XI), and (XIV).
ChemInform Abstract: Amination of 5‐Nitro‐3,8‐dimethyl‐4,7‐phenanthroline.
Authors: SAVOSIN I. V. , SHABUROV V. V. 
Published: May 2016

AbstractThe reaction between the title compound (I) and hydroxylamine (II) yields the expected o‐nitroamine (III) along with the unexpected o‐diamine (IV).
ChemInform Abstract: Reactions of an Indeno(1,2‐b)indole and Novel Rearrangements of a Dioxodibenz(b,f)azocine to Derivatives of 5,12‐Diaza‐ and 5‐Oxa‐12‐azachrysene.
Authors: LETCHER R. M. , NG K.‐W. , CHEUNG K.‐K. 
Published: May 2016

AbstractOxidative ring‐enlargement of the indenoindole (I) produces the dioxodibenzazocine (II) which undergoes cyclization with phenylhydrazine (III) to give the pyrazolodibenzazocine (IV).
ChemInform Abstract: Stereoselective Synthesis of Endo 1,3‐Dimethyl‐2,9‐dioxabicyclo(3.3.1)nonane.
Authors: ADAMS J. , FRENETTE R. 
Published: May 2016

AbstractThe dioxabicyclononane (IX) is prepared from 2‐methyltetrahydropyrane2‐‐carboxylic acid (I) via Rh(II)‐initiated cyclization of the diazo ketone (III), Baeyer‐Villiger oxidation of the bicyclic ketone (IV) and olefination of (V) with Tebbe's reagent (VI).
ChemInform Abstract: Synthesis of 6‐Phenylimidazo(1,2‐a)pyrazin‐8‐one and 1‐Methyl‐6‐phenylimidazo(1,5‐a)pyrazin‐8‐one via Quaternary Intermediates.
Authors: DAVEY D. D. 
Published: May 2016

AbstractThe title compounds (VII) and (XII) are prepared from the 1‐substituted imidazolylcarboxylates (Ib) and (VIII) via the corresponding amides (III) and (IX).
ChemInform Abstract: Synthesis and Properties of 5‐Substituted 2‐Thiobarbituric Acid Dyes.
Authors: AKIYAMA S. , NAKASHIMA K. , NAKATSUJI S. , SUZUKI M. , UMEKAWA C. 
Published: May 2016

AbstractCoupling of the aldehydes (I) with the thiobarbituric acids (II) yields the arylidenethiobarbituric acids (III).
ChemInform Abstract: Ruthenium‐Catalyzed Reaction of Carbon Dioxide, Amine, and Acetylenic Alcohol.
Authors: SASAKI Y. , DIXNEUF P. H. 
Published: May 2016

AbstractThe propargylic alcohols (II) react with diethylamine (Ia) and carbon dioxide (III) in the presence of a ruthenium carbonyl catalyst, producing the N,N‐diethylcarbamates (IV).
ChemInform Abstract: Characteristics of the Formylation of 8‐Methyl‐4‐phenyl‐2,3‐dihydro‐1H‐ 1,5‐benzodiazepin‐2‐one.
Authors: PROSHKINA V. N. , SOLOMKO Z. F. , BOZHANOVA N. YA. , OKORYAK I. I. , FASTOVETS S. I. 
Published: May 2016

AbstractReaction of the benzodiazepinone (I) with the Vilsmeier complex gives the aminomethylene compound (III), together with the N‐formylated product (IV).
ChemInform Abstract: A Very Efficient and Straightforward Synthesis of 1,3‐Dichloro‐1,1,3,3‐ tetraisopropyldisiloxane.
Authors: ZHANG H. X. , GUIBE F. , BALAVOINE G. 
Published: May 2016

AbstractThe tetraisopropyldisiloxane (I) is converted to the dichloro derivative (III) mentioned in the title using acetyl chloride (II) as the chloride donor.
ChemInform Abstract: A Simple Preparation of Trimethylsilylacetic Acid.
Authors: BELLASSOUED M. , DUBOIS J. E. , BERTOUNESQUE E. 
Published: May 2016

AbstractWhen acetic acid (I) is consecutively treated with LDA and chlorotrimemethylsilane (II), the bissilyl ketene acetal (V) is usually obtained as the main product.
ChemInform Abstract: Novel Synthesis of β‐Siloxy Esters by Condensation of Carbonyl and Trimethylsilane with α,β‐Unsaturated Esters Catalyzed by RhCl3.
Authors: REVIS A. , HILTY T. K. 
Published: May 2016

AbstractMethyl methacrylate (I) is coupled with the carbonyl compounds (IIa) ‐ (IId) and trimethylsilane (III) in the presence of rhodium trichloride, yielding the β‐siloxy esters (IV), together with the ketene acetal (V).
ChemInform Abstract: Diastereofacial Selectivity in the Intramolecular Conjugate Addition of a Nitrogen Nucleophile. Stereocontrolled Piperidine Synthesis.
Authors: HIRAMA M. , IWAKUMA T. , ITO S. 
Published: May 2016

AbstractBase‐catalyzed cyclization of the E‐acylaminoheptenoates (Ia) and (Ib) yields mainly the cis‐substituted piperidines (III).
ChemInform Abstract: Silylamines in Organic Synthesis: Preparation and Some Reactions of N,C‐Dilithiosilylamines.
Authors: BURNS S. A. , CORRIU R. J. P. , HUYNH V. , MOREAU J. J. E. 
Published: May 2016

AbstractThe unsaturated monosilylamines (Ia), (Ib), and (XIII) are dilithiated and then quenched with chlorotrimethylsilane (IV) to produce the trisilyl compounds (V) or (XIV).
ChemInform Abstract: Facile Formation of 1,2‐Dithione and 1,2‐Selenoxothione by the Photolysis of Fused Cyclopolysulfides.
Authors: ANDO W. , KUMAMOTO Y. , TOKITOH N. 
Published: May 2016

AbstractThe treatment of the 1,2,3‐thiadiazole (Ia) or the selena analogue (Ib) with molten sulfur (II) produces the fused cyclopolysulfides (III) and (IV).
ChemInform Abstract: Intermolecular Anionic Rearrangement of the Trimethylgermyl Group in Trimethylgermylacetonitrile Anions.
Authors: KANEMOTO N. , INOUE S. , SATO Y. 
Published: May 2016

AbstractTreatment of trimethylgermylacetonitrile (I) with lithium diisopropylamide results in partial formation of the digermyl derivative (II).
ChemInform Abstract: A New Method for the Activation of Metal‐Bound Methyl Groups. Oxidative Disproportionation to Coordinated Ethylene and Methane.
Authors: TILSET M. , BODNER G. S. , SENN D. R. , GLADYSZ J. A. , PARKER V. D. 
Published: May 2016

AbstractWith Fe complex (III) as electron acceptor the methyl Re complex (I) combined with (II) at ‐78 °C reacts on warming to give (IV) and (V) and methane (VI); (IV) disproportionates to ethylene complex (VII) from which ethylene (X) may be liberated by nitrile (VIII).
ChemInform Abstract: Main‐Group Chemistry on a Metal Framework: Preparation and Characterization of B2H6Fe2(CO)6 and Its Conjugate Base (B2H5Fe2(CO)6)‐.
Authors: JACOBSEN G. B. , ANDERSEN E. L. , HOUSECROFT C. E. , HONG F.‐E. , BUHL M. L. , LONG G. J. , FEHLNER T. P. 
Published: May 2016

AbstractThe known compound (IV) and the anionic derivative (VII) are prepared as shown.
ChemInform Abstract: Sequential Insertion by an Extraordinarily Reactive (Cyclopentadienyl)cobalt Anion Complex.
Authors: WANG D. , SQUIRES R. R. 
Published: May 2016

AbstractThe oxidation of ((C5H5)Co(CO)2)‐ by O2 forms the molecular anion (I) which displays extraordinary reactivity for a (formally) 17‐electron metal anion complex that distinguishes it from simple metal carbonylates.
ChemInform Abstract: Some New Complexes of Co(III) with Hypoxanthine, Inosine and Purine Nucleotides.
Authors: MULET D. , CALAFAT A. M. , FIOL J. J. , TERRON A. , MORENO V. 
Published: May 2016

AbstractThe title complexes (I) and (II) are prepared by reaction of trans‐(Co(en)2Cl2)Cl with the Na salts of the nucleotides or the nucleoside and the base, respectively, in water (no yields given).
ChemInform Abstract: Spin‐Crossover Cobalt(III) Complexes: Steric and Electronic Control of Spin State.
Authors: KLAEUI W. + , EBERSPACH W. , GUETLICH P. + 
Published: May 2016

AbstractThe series of octahedral Co(III) spin‐crossover complexes (III) is synthesized from the corresponding Co(II) complexes (Ia) by oxidation with the radical cation of (II).
ChemInform Abstract: Synthesis, Structure, and Properties of Tetraphenylphosphonium Tetrakis(2‐mercaptopropionato)trinickelate(II), (Ph4P)2(Ni3(SCH(CH3)COO)4): A Linear Trimeric Thiolato Complex of Nickel.
Authors: ROSENFIELD S. G. , WONG M. L. Y. , STEPHAN D. W. , MASCHARAK P. K. 
Published: May 2016

AbstractThe diamagnetic, relatively air‐stable title complex (I) is isolated from a reaction mixture containing (Ph4P)2NiCl4 and 1,5 equiv. of the tetraphenylphosphonium salt of Me‐CH(SH)(COOH) in acetonitrile.
ChemInform Abstract: Synthesis and Biological Studies of Steroidal cis‐Platinum(II) Complexes.
Authors: GEORGIADIS M. P. , HAROUTOUNIAN S. A. , CHONDROS K. P. 
Published: May 2016

AbstractIn the search for steroidal receptor systems the Pt complexes (I)‐(III) are prepared by treatment of K2PtCl4 with the corresponding steroids (yields 46‐54%).
ChemInform Abstract: Structures of New P‐Hydroxystyrene Glycosides, Ptelatoside‐A (I) and Ptelatoside‐B (II) Isolated from Bracken Fern, Pteridium aquilinum var. latiusculum, and Synthesis of Ptelatoside‐A.
Authors: OJIKA M. , WAKAMATSU K. , NIWA H. , YAMADA K. 
Published: May 2016

AbstractThe title compounds (I) and (II) are identified in the carcinogenic fraction obtained from the title species.
ChemInform Abstract: Application of the Trt and Fmoc Groups for the Protection of Polyfunctional α‐Amino Acids.
Authors: BARLOS K. , MAMOS P. , PAPAIOANNOU D. , PATRIANAKOU S. , SANIDA C. , SCHAEFER W. + 
Published: May 2016

AbstractSimple methods for the preparation of the ditrityl amino acids (III) (from (I)), (IV) (similarly obtained), (VIII) (from (Va)), or (X) (from (Vb) via (IX)) are described.
ChemInform Abstract: Studies on Organophosphorus Compounds. Part 9. The Action of Dialkyl, Trialkyl Phosphites, and Thiol Acids on Some Enaminolactones.
Authors: SHABANA R. , SIDKY M. M. , EL‐KATEB A. A. , SOLIMAN F. M. 
Published: May 2016

AbstractThe enaminolactone (I) reacts with trimethyl phosphite (II) in methanol (III) to yield the phosphonophenylalanine derivative (IV).
ChemInform Abstract: Synthetic Routes to N‐(1‐Deoxy‐D‐fructos‐1‐yl)amino Acids by Way of Reductive Amination of Hexos‐2‐uloses.
Authors: WALTON D. J. , MCPHERSON J. D. , HVIDT T. , SZAREK W. A. 
Published: May 2016

AbstractThe title compounds (III) are prepared by two methods as shown in the reaction scheme.
ChemInform Abstract: Synthesis of (+)‐1,5‐Dideoxy‐1,5‐imino‐D‐galactitol, a Potent α‐D‐Galactosidase Inhibitor.
Authors: BERNOTAS R. C. , PEZZONE M. A. , GANEM B. 
Published: May 2016

AbstractThe key steps in the synthesis of the title compound (VIII) are cleavage of the 6‐bromopyranoside (I) by dehydrobromination and reductive amination and subsequent mercuration with simultaneous ring closure.
ChemInform Abstract: Synthetic Studies of Amphotericin B. Part 2. A Facile Synthesis of the C1‐C12 Segments of the Amphotericin B Aglycon.
Authors: KINOSHITA M. , MORIOKA M. , TANIGUCHI M. , SHIMIZU J. 
Published: May 2016

AbstractThe protected sugar (I) is stereoselectively converted to the Wittig salt (VI).
ChemInform Abstract: Synthesis of Bostrycoidin via Directed Lithiation of Tertiary Nicotinamide.
Authors: WATANABE M. , SHINODA E. , SHIMIZU Y. , FURUKAWA S. , IWAO M. , KURAISHI T. 
Published: May 2016

AbstractThe reaction of the lithiated species (III), obtained from the nicotinamide (I), with the benzamide (IV) represents the key step in the synthesis of bostrycoidin dimethyl ether (VIa).
ChemInform Abstract: Ozonolysis of Alkenes and a Study of the Reactions of Polyfunctional Compounds. Part 32. Synthesis of (ξ)‐3,7‐Dimethyl‐2,7‐octadien‐1‐yl Propionate.
Authors: ODINOKOV V. N. , KUKOVINETS O. S. , ZAINULLIN R. A. , ISHMURATOV G. YU. , ISAKOVA L. A. , TOLSTIKOV G. A. 
Published: May 2016

AbstractOzonolysis of 1‐methylcyclopentene (I), followed by acetalization affords 1,1‐dimethoxy‐5‐oxohexane (III) in high yield.
ChemInform Abstract: Synthesis of 3,7‐Dimethyl‐(E)‐2,7‐octadien‐1‐ol Propionate from Isoprene.
Authors: KOVALEV B. G. , ISHCHENKO R. I. , SVATOSH A. , VIMMER Z. , ROMANYUK M. 
Published: May 2016

AbstractA stereospecific synthesis of the title compound (VI) starting from isoprene (I) is reported.
ChemInform Abstract: Total Syntheses of Indicine N‐Oxide, Intermedine N‐Oxide, and Their Enantiomers Using Carbohydrate as a Chiral Educt.
Authors: NISHIMURA Y. , KONDO S. , TAKEUCHI T. , UMEZAWA H. 
Published: May 2016

AbstractThe chiral D‐furanose (I) is converted in 8 steps to the acetonide (VIII) derived from (+)‐trachelanthic acid (VI).
ChemInform Abstract: New Probes for Receptor Analysis of Tumor Promoters. Synthesis of Fluorescent Derivatives of (‐)‐Indolactam V, the Basic Ring‐Structure of Teleocidins.
Authors: IRIE K. , HAGIWARA N. , KOSHIMIZU K. 
Published: May 2016

AbstractIndolactam V (I) is transformed to the active and inactive fluorescent derivatives (IXa) (the free hydroxyl group at C‐14 is necessary for the tumor‐promoting activity) and (IXb), resp., which are obtained as a mixture of sofa and twist conformers.
ChemInform Abstract: An Investigation of Non‐stoichiometry in the Systems SrFeO3‐y and SrCoO3‐y by Iron and Cobalt K‐Edge Extended X‐Ray Absorption Fine Structure Spectroscopy.
Authors: BATTLE P. D. , GIBB T. C. , STEEL A. T. 
Published: May 2016

AbstractThe EXAFS results obtained for a series of samples of the SrCoO3‐y system reveal the existence of face‐sharing CoO6 octahedra in the low‐temp.
ChemInform Abstract: Rotating Disk Electrode Studies in Cryolitic Melts.
Authors: TELLENBACH J. M. , LANDOLT D. 
Published: May 2016

AbstractThe design of a rotating disk electrode (RDE) assembly for use in cryolitic melts (1020 °C) is described (tungsten plated with either Au or TiB2 and embedded in an insulator).
ChemInform Abstract: An Auger Electron Spectroscopic Study of the Reaction of Ammonia with Fe(110).
Authors: BHATTACHARYA A. K. , CHESTERS M. A. 
Published: May 2016

AbstractThermal decomposition of molecularly adsorbed ammonia on a clean Fe(110) surface is investigated by saturation of the Fe surface with ammonia at 100 K and subsequent heating of the crystal to temp. in the range 100‐800 K and recording of Auger spectra at these temperatures.
ChemInform Abstract: Characterization of MoY Zeolites Prepared by Aqueous Ion Exchange.
Authors: HUANG M. , HOWE R. F. 
Published: May 2016

AbstractMoY zeolites, prepared from NaY by ion exchange using MoO2Cl2 (pH 3.3‐4.2), are characterized by X‐ray fluorescence, AAS, XRD, IR‐, EPR‐, and XPS spectroscopy, and by BET surface area measurements.
ChemInform Abstract: Ammonia Synthesis Over a Supported Iron Catalyst Prepared from an Amorphous Iron‐Zirconium Precursor. Part 3. Mechanism of Nitrogen Adsorption and Ammonia Synthesis Kinetics.
Authors: BAIKER A. , BARIS H. , SCHLOEGL R. + 
Published: May 2016

AbstractPhotoemission studies (XPS, UPS) of N2 adsorption on amorphous Fe91Zr9 at 79 K indicate the presence of both molecular and atomic nitrogen on the surface.
ChemInform Abstract: The Structure of Cu/SiO2 Catalysts Prepared by the Ion‐Exchange Technique.
Authors: KOHLER M. A. , CURRY‐HYDE H. E. , HUGHES A. E. , SEXTON B. A. , CANT N. W. 
Published: May 2016

AbstractApplying TEM, XRD analysis, XPS, TPR/TPO cycles evidence is presented to support the presence of two distinctly different copper species on reduced copper on silica catalysts (2.1‐9.5 wt.% Cu) which are prepared by the ion‐exchange method.
ChemInform Abstract: Hydrogen‐Bond Formation in Nitroanilines: The First Step in Designing Acentric Materials.
Authors: PANUNTO T. W. , URBANCZYK‐LIPKOWSKA Z. , JOHNSON R. , ETTER M. C. 
Published: May 2016

AbstractThe 28 crystal structures of nitroanilines reported in the literature and also a series of 13 closely related analogues are analyzed in order to determine the preferred geometric properties of NH···O hydrogen bonds in these compounds.
ChemInform Abstract: Cycloadditions in Syntheses. Part 35. 2‐Cyano‐1,2‐dihydrocyclobuta(a)naphthalene and Its Derivatives: Synthesis and Reaction with Olefins.
Authors: SATO M. , SUZUKI T. , MORISAWA H. , FUJITA S. , INUKAI N. , KANEKO C. 
Published: May 2016

AbstractPhotoaddition reaction of 2‐methoxynaphthalene (I) with acrylonitrile (II) gives the adduct (III) as a mixture of endo‐ and exo‐isomers.
ChemInform Abstract: Reactivity Difference of cis‐trans Pairs: Different Behavior of Stilbene Oxides and Activated Stilbene Imines.
Authors: MALL T. , STAMM H. 
Published: May 2016

AbstractSodium methoxide (II) induced ring opening of the oxiranes (Ia) or the aziridines (Ib) yields the products (III).
ChemInform Abstract: Isomerization of 2‐Alkoxy‐2‐methyl‐1‐methylenecyclopropanes (I) to 1‐Alkoxy‐1‐cyclopropylethenes (III).
Authors: BALDWIN J. E. , GHATLIA N. D. , LUNDBAECK K. M. O. + 
Published: May 2016

AbstractThe rearrangement of (I) to (III) is found to run via the intermediates (II), isolated in the case of (IIa), when an octane solution of (Ia) is heated in the presence of 1,8‐bis(dimethylamino)naphthalene.
ChemInform Abstract: Skeletal Rearrangement of a 2,6‐Dithiaadamantane 2,2,6,6‐Tetraoxide Derivative During Thermal and Photochemical Sulfur Dioxide Extrusion.
Authors: BRAVERMAN S. , REISMAN D. , FREUND M. 
Published: May 2016

AbstractPhotolysis of the title compound (I) causes release of one equivalent SO2 (II), producing the tricyclic sulfone (III).
ChemInform Abstract: Synthesis of 1,1‐Disubstituted Ethenes by Means of Sequential Cross‐ Coupling Reactions
Authors: FIANDANESE V. , MARCHESE G. , NASO F. , RONZINI L. 
Published: May 2016

Abstract1‐Chloro‐1‐phenylthioethene (II) is converted to the 1,1‐disubstituted ethenes (IV) in two consecutive cross‐coupling steps with the Grignard reagents (Ia) ‐ (Ic) in the presence of a Ni‐catalyst.
ChemInform Abstract: New Methods for the Syntheses of α,β‐Unsaturated Ketones, Aldehydes, and Nitriles by the Palladium‐Catalyzed Reactions of Allyl β‐Oxo Esters, Allyl 1‐Alkenyl Carbonates, and Allyl α‐Cyano Esters.
Authors: MINAMI I. , NISAR M. , YUHARA M. , SHIMIZU I. , TSUJI J. 
Published: May 2016

AbstractThe palladium‐catalyzed decarboxylation‐dehydrogenation reaction of the allyl esters (I) of β‐oxoalkanoic acids or the 1‐alkenyl allyl carbonates (III) yields the α,β‐unsaturated ketones (II) or (IV).
ChemInform Abstract: Syntheses of Pentacyclo(5.4.0.02,6.03,10.05,9)undecane‐4,8,11‐trione, Pentacyclo(6.3.0.02,6.03,10.05,9)undecane‐4,7,11‐trione (D3‐Trishomocubanetrione), and 4,4,7,7,11,11‐Hexanitro(6.3.0.02,6.03,10.05,9)undecane (D3‐Hexanitrotrishomocubane).
Authors: MARCHAND A. P. , SHARMA G. V. M. , ANNAPURNA G. S. , PEDNEKAR P. R. 
Published: May 2016

AbstractStarting with the dihydroxytetrachloro acetal (Ia), the triketones (II) and (Va) mentioned in the title are prepared by consecutive dehalogenation and oxidation reaction followed by rearrangement in the case of (Va).
ChemInform Abstract: Acylation of Aromatic Aminodicarboxylic Acids.
Authors: NOSOVA G. I. , KOTON M. M. , MIKHAILOVA N. V. , LYUBIMOVA G. V. , DENISOV V. M. 
Published: May 2016

AbstractStarting with 4‐nitrophthalic anhydride (I), 4‐(3‐aminophenoxy)phthalic acid (VII) is synthesized as shown in the reaction scheme.
ChemInform Abstract: Chemical Reactivity and Configurational Properties of Cyclopropyl Carbanions Derived from a Silyl Sulfonyl Substituted Cyclopropene.
Authors: PADWA A. , WANNAMAKER M. W. , DYSZLEWSKI A. D. 
Published: May 2016

AbstractThe cyclopropene (IV) is prepared from the acetylene (I) by 1,3‐dipolar cycloaddition with 2‐diazopropane (II) to give the pyrazole (III) followed by photoextrusion of nitrogen.
ChemInform Abstract: Carbonium Ion Reactions. Part 18. Substituent Effect in Solvolytic Reactions. Solvolysis of the Tosylate of 10‐Methyl‐5H‐dibenzo(a,d)cycloheptene‐5‐carbinol.
Authors: STANESCU M. , ELIAN M. , CIORANESCU E. 
Published: May 2016

AbstractBuffered acetolysis of the tosyloxymethyldibenzocycloheptatriene (I) yields the bridged exo‐methylene derivative (III), together with the acetate (IV).
ChemInform Abstract: Synthesis of 4‐Unsubstituted β‐Lactams via Dithiocarbonimidates.
Authors: SHARMA S. D. , MEHRA U. , KHURANA J. P. S. , PANDHI S. B. 
Published: May 2016

AbstractCycloaddition reaction of the dithiocarbonimidates (I) with phenoxy ketene and subsequent desulfurization of the adducts (IIIa) with RaneyNickel yield the 4‐unsubstituted β‐lactams (IV).
ChemInform Abstract: Intramolecular Photochemical Reactions of 2‐Acyl‐4‐oxa‐1,5‐hexadienes.
Authors: MATLIN A. R. , LECKTA T. C. , MCGARVEY D. J. , JACOB P. W. , PICKEN H. A. 
Published: May 2016

AbstractThe unsaturated ethers (III), prepared from the alcohols (I) and the vinyl ethers (II), are photolyzed to form the tricyclic ethers (IV), together with the ketones (V).
ChemInform Abstract: Preparation of Cyclic Ethers via Oxidative Cyclization of 2‐(4‐Hydroxyalkyl)‐ and 2‐(5‐Hydroxyalkyl)furans with DDQ.
Authors: HARWOOD L. M. , ROBERTSON J. 
Published: May 2016

AbstractThe 2‐(hydroxyalkyl)furans (I) are oxidatively cyclized with DDQ to give the cyclic ethers (II).
ChemInform Abstract: Reaction of Thioglycolic Amide with Acylacetylenes and Methyl Propiolate.
Authors: NAKHMANOVICH A. S. , KOMAROVA T. N. , KARNAUKHOVA R. V. , AFONIN A. V. , VORONOV V. K. , MANSUROV YU. L. 
Published: May 2016

AbstractReaction of the acetylenic compounds (I) with thioglycolic amide (II), producing the addition products (III), takes place stereospecifically in the case of methyl propiolate (Ie) only.
ChemInform Abstract: Indole Derivatives. Part 129. Synthesis of Disubstituted Tryptamines by Nitration of 5‐Methoxy‐N‐phthaloyltryptamine.
Authors: PETRUNIN I. A. , VINOGRAD L. KH. , PRZHIYALGOVSKAYA N. M. , SUVOROV N. N. 
Published: May 2016

AbstractNitration of the N‐protected 5‐methoxytryptamine (I) with nitric acid in acetic acid gives predominantly the 4‐nitro compound (II), together with the derivatives (III) ‐ (V).
ChemInform Abstract: Transformations of 1‐Aryl‐2‐methyl‐3‐ethoxycarbonyl‐4,5‐dihydroxy‐6‐ bromoindole Derivatives.
Authors: GRINEV A. N. , SOROKINA I. K. 
Published: May 2016

AbstractAcidic hydrolysis of the indolylacetoacetates (I) gives the acetonylindoles (II), together with the acetoacetic acids (III) as by‐products.
ChemInform Abstract: Amino Ketone and Oxazole Synthesis. Part 10. Acylation and Alkylation of Arenes with the Azlactone of Cinnamoylglycine.
Authors: BALABAN M.‐C. , SCHIKETANZ I. , BALABAN A. T. , SCHIKETANZ A. , GHEORGHIU M. D. 
Published: May 2016

AbstractN‐Cinnamoylglycine (I) is cyclized to form the styryloxazolone (II) which reacts with benzene (IIIa) or toluene (IIIb), yielding the acylaminomethyl aryl ketones (IV) or (V).
ChemInform Abstract: A New Convenient Preparation of 2‐, 4‐, and 5‐Thiazolecarboxaldehydes and Their Conversion into the Corresponding Carbonitrile N‐Oxides: Synthesis of 3‐Thiazolylisoxazoles and 3‐Thiazolylisoxazolines.
Authors: DONDONI A. , FANTIN G. , FOGAGNOLO M. , MEFICI A. , PEDRINI P. 
Published: May 2016

AbstractThe thiazolecarboxaldehyde (III), prepared from 2‐bromothiazole (I) and N‐formylmorpholine (II), is converted to the hydroxamoyl chloride (Vb) via the oxime (IV).
ChemInform Abstract: New Heterocyclization Reactions for the Preparation of Fused (1,2,4)Triazoles: Synthesis of 1,2,4‐Triazolo(4,3‐b) (1,2,4)triazole Derivatives from 4‐Amino‐1,2,4‐triazoles and Carbodiimides or via Iminophosphoranes and Disubstituted Thioureas.
Authors: MOLINA P. , ALAJARIN M. , FERAO A. , PEREZ DE VEGA MA. J. 
Published: May 2016

AbstractThe guanidinotriazolones (III) or triazolethiones (VI) (obtained from the components (I) + (II) or (IV) + (V), resp.) undergo base‐catalyzed cyclization to give the triazolotriazoles (VII).