bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: (4.4.4)Propellahexaene by Triple Shapiro Degradation. Structural and Electronic Properties of This Maximally Unsaturated Hydrocarbon and Consequences of O‐Methylation of Its (4.4.4)Propellatrienetrione Precursors.
Authors: PAQUETTE L. A. , LIANG S. , WAYKOLE L. , DELUCCA G. , JENDRALLA H. , ROGERS R. D. , KRATZ D. , GLEITER R. 
Published: May 2016

AbstractThe (4.4.4)propellatrienone (I) is subjected to oxidation with sodium chromate in acetic acid and its anhydride (II) to produce a mixture of the oxiranes (III) and (IV), the trienetriones (V) ‐ (IX), the trienediones (X) ‐ (XIII), and the acetoxy trienedione (XIV).
ChemInform Abstract: Some Transformations of Adducts of Dichlorocarbene and 7‐Substituted Benzonorbornadienes.
Authors: WEGE D. 
Published: May 2016

AbstractThe benzonorbornadienes (I), (XII), and (XIV) are treated with dichlorocarbene generated in situ to produce the dichlorobenzobicyclo(3.2.1)octenes (III) and (IV), (XIII), or (XV) via ring expansion of the fused dichlorocyclopropanes primarily formed.
ChemInform Abstract: Electrophilic Substitution Reactions of Benz(a)indeno(1,2,3‐cd)azulene.
Authors: TODA T. , MINABE M. , YOSHIDA M. , TOBITA K. 
Published: May 2016

AbstractSeveral 9‐substituted triptycenes such as (I) are irradiated to produce the title compound (II).
ChemInform Abstract: Cyclophanes. Part 32. Bridging of the (2.2)Paracyclophane Nucleus by a Phenanthrene Unit.
Authors: HOPF H. , MLYNEK C. 
Published: May 2016

AbstractThe diformylparacyclophane (I) reacts with the Grignard compound (II) to produce the dibenzoyl derivative (III) after oxidation.
ChemInform Abstract: Synthesis of 3‐Substituted Furans by Directed Lithiation and Palladium‐Catalyzed Coupling.
Authors: ENNIS D. S. , GILCHRIST T. L. 
Published: May 2016

AbstractCompound (I) with a protected 5‐position is lithiated at the 3‐position and subsequently converted to a bromozinc intermediate.
ChemInform Abstract: Syntheses of Some Cinnamoylcoumaran‐3‐ones.
Authors: BANERJI K. D. , CHATTERJI R. , ANGACHARI K. , DAS S. C. , MAZUMDAR A. K. D. 
Published: May 2016

AbstractFive hydroxyacetophenones such as (I) are coupled with p‐methoxycinnamic acid (II) to give the esters (III) which are brominated to yield the cinnamoyl‐ω‐bromoacetophenones (IV).
ChemInform Abstract: Studies on Dipolar Cycloaddition Reactions. Synthesis of 3,4‐Disubstituted 1‐(2,4‐Dichlorobenzamidoyl)azetidin‐2‐ones and Fused δ2‐Pyrazolines.
Authors: SARMA C. S. , GOGOI P. C. , KATAKY J. C. S. 
Published: May 2016

AbstractThe aroylhydrazones (I) react with the acid chlorides (II) in the presence of a base to produce the azetidinones (III).
ChemInform Abstract: Imidazol‐5‐yl Radicals as Reactive Intermediates.
Authors: BOWMAN W. R. , TAYLOR P. F. 
Published: May 2016

AbstractImidazol‐5‐yl radicals such as (II) are generated as reactive intermediates in reductions of 5‐halogenoimidazoles such as (I) or (IV).
ChemInform Abstract: Reaction of 3‐(Dimethylamino)‐2H‐azirines with 1,3‐Benzoxazole‐2(3H)‐thione.
Authors: AMETAMEY S. M. , HEIMGARTNER H. 
Published: May 2016

AbstractThe title reaction, which leads to the thiohydantoins (III), proceeds analogously to the reaction of 1,3‐oxazolidine‐2‐thione with azirines (see the preceding communication).
ChemInform Abstract: A Simple and General One‐Pot Synthesis of Some 2H‐Pyran‐2‐ones and Fused Pyran‐2‐ones.
Authors: KEPE V. , KOCEVAR M. , POLANC S. , VERCEK B. , TISLER M. 
Published: May 2016

AbstractDicarbonyl compounds such as (I) and (VII) react with N‐acylglycines such as (III) and (VI) and one‐carbon synthons such as (II) and (VIII) to yield pyranones (IV) and (V).
ChemInform Abstract: Synthesis of 2‐t‐Butyl‐5‐hydroxypyrimidine via Hydrolysis of 2‐t‐Butyl‐5‐halopyrimidines.
Authors: PEWS R. G. 
Published: May 2016

Abstract2‐tert‐Butylpyrimidine (I) reacts with bromine or chlorine to give the 2‐tert‐butyl‐5‐halopyrimidines (II).
ChemInform Abstract: Nucleophilic Reactions of 2‐Methyl‐3‐(4′‐carbomethoxyphenyl)‐4‐quinazolinones with 2‐Indolinones.
Authors: VARMA R. S. , GUPTA P. 
Published: May 2016

AbstractThe methylquinazolinone (I) reacts with the isatin derivatives (II) and (VII) to give the condensation products (III) and (VIII).
ChemInform Abstract: Reactions of Azines. Part 14. Preparation of 5H,7H‐Pyrazolo(1,5‐d)‐(2,4)benzoxazepin‐7‐ones.
Authors: SCHWEIZER E. E. , CAO Z. , HAYES J. E. , RHEINGOLD A. L. 
Published: May 2016

AbstractRing closure reaction of the azine phosphoranes (I) with phthalic anhydride (II) is achieved in refluxing toluene, yielding the pyrazolobenzoxazepinones (III).
ChemInform Abstract: Observation of Discrete Trimethylsilylnitrene by Matrix‐Isolation Spectroscopy.
Authors: FERRANTE R. F. 
Published: May 2016

AbstractThe trimethylsilylnitrene radical, Me3SiN, has been produced by interaction of Me3SiN3 or Me3SiNCO with metastable molecular nitrogen or argon and has been trapped and observed directly in nitrogen and argon matrices.
ChemInform Abstract: Triorganoantimony and Triorganobismuth Derivatives of 2‐Pyridinecarboxylic Acid and 2‐Pyridylacetic Acid. Crystal and Molecular Structures of (C6H5)3Sb(O2C‐2‐C5H4N)2 and (CH3)3Sb(O2CCH2‐2‐C5H4N)2.
Authors: DOMAGALA M. , HUBER F. , PREUT H. 
Published: May 2016

AbstractThe pyridinecarboxylate complexes (IV) are synthesized as shown.
ChemInform Abstract: Sulfur Compounds. Part 133. Synthesis and Spectra of New Titanocene Complexes Containing the Chelating Ligands C2S4‐ 4, C2S2‐ 5, and C2S2‐ 6.
Authors: STEUDEL R. , WESTPHAL U. 
Published: May 2016

AbstractIn analogy to the reaction of titanocene dicarbonyl with CS2, the dicarbonyls (I) give the compounds (III) containing the bridging tetrathiolene ligand.
ChemInform Abstract: Facile Synthesis of Complexes of Vanadium(II) and the Crystal and Molecular Structures of Hexaaquavanadium(II) Trifluoromethylsulfonate.
Authors: HOLT D. G. L. , LARKWORTHY L. F. , POVEY D. C. , SMITH G. W. , LEIGH G. J. 
Published: May 2016

AbstractVanadium metal dissolves readily in refluxing dilute acids such as trifluoromethylsulfonic acid (II), HCl, HBr, or HBF4 to give solutions from which the title salt (IV) (space group C2/m, Z=2) or the corresponding salts (VII) (yield 85%) or (VIII) (60/65%) are crystallized.
ChemInform Abstract: Formation and Characterization of Stable Alkylidyne(alkene)tungsten Complexes.
Authors: MAYR A. , DORRIES A. M. , RHEINGOLD A. L. , GEIB S. J. 
Published: May 2016

AbstractLow‐valent Fischer‐type carbyne complexes can coordinate alkene ligands to give stable alkylidyne(alkene)metal complexes.
ChemInform Abstract: Electrochemical Synthesis and Structure of Sn(Co(CO)4)4 and Its Use as a Stable Precursor of (Co(CO)4)‐ for the Catalysis of Hydrolysis of Propylene Carbonate.
Authors: CABRERA A. , SAMAIN H. , MORTREUX A. , PETIT F. , WELCH A. J. 
Published: May 2016

AbstractElectroreduction of Co2(CO)8 in the presence of a tin anode yields the title complex (I) (F43c, Z = 8) in a pure form with up to 60% yield.
ChemInform Abstract: Formation of Iridalactones by CH2‐O Oxidative Addition of Propiolactone to Iridium(I).
Authors: ZLOTA A. A. , FROLOW F. , MILSTEIN D. 
Published: May 2016

AbstractPropiolactone (II) undergoes facile oxidative addition to the low‐valent electron‐rich Ir(I) complex (I) to yield the structurally characterized iridalactone (III) (space group P21/c, Z=4).
ChemInform Abstract: Reaction of Ozone with Steroidal Allylic Alcohols: Evidence for Intramolecular Interception of the “Criegee Carbonyl/Carbonyl Oxide Intermediate”.
Authors: PARYZEK Z. , MARTYNOW J. , SWOBODA W. 
Published: May 2016

AbstractWhen the crude ozonization product from the reaction of the cholestenol (I) is worked‐up under non‐reductive conditions, the peroxidic compounds (V) and (VI) resulting from the interception of a classical carbonyl/carbonyl oxide intermediate are obtained.
ChemInform Abstract: A New Synthesis, Resolution and in vitro Activities of (R)‐ and (S)‐β‐Phenyl‐GABA.
Authors: ALLAN R. D. , BATES M. C. , DREW C. A. , DUKE R. K. , HAMBLEY T. W. , JOHNSTON G. A. R. , MEWETT K. N. , SPENCE I. 
Published: May 2016

AbstractThe title compound shows anticonvulsant, antiepileptic, antihypertensive and analgesic activities.
ChemInform Abstract: Synthesis of Photolabile “Precursors” of Amino Acid Neurotransmitters.
Authors: WILCOX M. , VIOLA R. W. , JOHNSON K. W. , BILLINGTON A. P. , CARPENTER B. K. , MCCRAY J. A. , GUZIKOWSKI A. P. , HESS G. P. 
Published: May 2016

AbstractThe synthesis of photolabile precursors of neurotransmitters that activate neuronal receptors specific for aspartic acid, glutamic acid, glycine, or γ‐aminobutyric acid is described as outlined in the reaction scheme.
ChemInform Abstract: A Convenient Synthesis of Methyl 2,3‐Di‐O‐benzyl‐4‐deoxy‐α‐D‐xylo‐hexodialdo‐1,5‐pyranoside and Its Stereospecific Ethynylation.
Authors: CZERNECKI S. , VALERY J. M. 
Published: May 2016

AbstractReduction of the protected glucopyranoside (IV), derived from the starting diol (I), with lithium aluminum hydride gives the 4‐deoxy derivative (V), directly deprotected at C‐6. Swern oxidation of (V) forms the protected dialdose (VI) mentioned in the title.
ChemInform Abstract: Synthesis of Streptazoline Glucopyranosides.
Authors: WIESNER M. , THIEM J. 
Published: May 2016

AbstractCoupling of the tetraacetylglucosyl fluoride (I) with the dihydrostreptazoline (II) gives the β‐glucoside (IIIa) which is deacetylated by a conventional method, yielding the unblocked derivative (IIIb).
ChemInform Abstract: Synthesis of an Aminopyrazolidine‐Substituted Quinolone Acid.
Authors: KIM K. S. , RYAN P. C. 
Published: May 2016

AbstractHydrazinolysis of the β‐lactone (I) with methylhydrazine (II) yields the hydroxycarboxylic hydrazide (III) which undergoes cyclization reaction upon treatment with triphenylphosphine and diisopropyl azodicarboxylate to form the protected aminopyrazolidinone (IV).
ChemInform Abstract: Enantiomeric 3,7‐Dimethylocta‐1,7‐dienes as Useful Chiral Building Blocks. A New Access to Both Optical Antipodes of Natural (E)‐3,7‐Dimethyloct‐2‐ene‐1,8‐diol and (E)‐3,7‐Dimethyloct‐2‐ene‐1,8‐dicarboxylic Acid.
Authors: GIERSCH W. , SCHULTE‐ELTE K. H. 
Published: May 2016

AbstractThe readily accessible monoterpenoid (R)‐(I) is used for the synthesis of the title compounds (R)‐(III) and (R)‐(VI), while their antipodes are prepared from (S)‐(I) by analogous routes.
ChemInform Abstract: Towards Tumor Targeting with Copper‐Radiolabeled Macrocycle‐Antibody Conjugates: Synthesis, Antibody Linkage, and Complexation Behavior.
Authors: MORPHY J. R. , PARKER D. , KATAKY R. , EATON M. A. W. , MILLICAN A. T. , ALEXANDER R. , HARRISON A. , WALKER C. 
Published: May 2016

AbstractA set of four macrocyclic ligands (I) and (II) bearing aminomethylphenyl units to facilitate linkage to a monoclonal antibody via acylation with the thiol‐specific vinyl‐pyridine linker molecule (III) is prepared.
ChemInform Abstract: Characterization of BCl3‐Cl2 Silicon Trench Etching.
Authors: KASSAM A. , MEADOWCROFT C. , SALAMA C. A. T. , RATNAM P. 
Published: May 2016

AbstractThe formation of trenches in silicon by means of a reactive ion etching (RIE) process using BCl3‐Cl2 gas mixtures is studied as a function of the etching parameters (BCl3:Cl2 ratio, flow rate, etc.).
ChemInform Abstract: Atmospheric Pressure Chemical Vapor Deposition of Tungsten Silicide. The Dependence of Film Composition and Growth Rate on Gas Composition.
Authors: DOBKIN D. , BARTHOLOMEW L. , MCDANIEL G. , DEDONTNEY J. 
Published: May 2016

AbstractWSix films are prepared by atmospheric pressure CVD at 290‐300 °C using WF6/Si2H6/H2/N2 gas mixtures of different composition.
ChemInform Abstract: Structure and Ionic Conduction in Solids. Part 9. Structure and Properties of NaZnPO4 and NaZnAsO4.
Authors: ANDRATSCHKE M. , FELTZ A. 
Published: May 2016

AbstractThe title compounds both crystallize in the beryllonite‐type structure (monoclinic, space group P21/n, Z=12).
ChemInform Abstract: The Systems K2NaAlF6/Na2SO4 and K2NaAlF6/K2SO4: Phase Diagrams and Alkali Ion Conductivity.
Authors: HRUSCHKA H. , JANSEN M. 
Published: May 2016

AbstractThe solidus‐liquidus and sub‐solidus regions of the phase diagrams of the title systems are determined by XRD, DTA, and electrochemical methods.
ChemInform Abstract: Heterogeneous Reactions on Model Polar Stratospheric Cloud Surfaces: Reaction of N2O5 on Ice and Nitric Acid Trihydrate.
Authors: QUINLAN M. A. , REIHS C. M. , GOLDEN D. M. , TOLBERT M. A. 
Published: May 2016

AbstractThe heterogeneous reaction of N2O5 on laboratory ice surfaces and nitric acid trihydrate (NAT) surfaces are studied in a Knudsen cell flow reactor.
ChemInform Abstract: Influence of the Support on the Activity and Selectivity of High Dispersion Fe Catalysts in the Fischer‐Tropsch Reaction
Authors: CAGNOLI M. V. , MARCHETTI S. G. , GALLEGOS N. G. , ALVAREZ A. M. , MERCADER R. C. , YERAMIAN A. A. 
Published: May 2016

Abstractis studied for Fe/SiO2 and Fe/Al2O3 catalysts prepared by the dry impregnation method.
ChemInform Abstract: Single Crystal Syntheses of Semimetal Complex Fluorides Without Solvents: Li2(GeF6) and Na2(GeF6).
Authors: AVERDUNK F. , HOPPE R. 
Published: May 2016

AbstractSingle crystals of the title compounds are prepared by reaction of CuF2, Ge powder, and NaF or LiF, resp. (620 °C, 7 d, Cu‐bomb).
ChemInform Abstract: Chiral Products via Asymmetric Deprotonation of 4‐tert‐Butylcyclohexanone Using Chiral Lithium Amide Bases.
Authors: COUSINS R. P. C. , SIMPKINS N. S. 
Published: May 2016

AbstractThe conversion of the tert‐butylcyclohexanone (I) to its trimethylsilyl enol ether (‐)‐(III) is mediated by various chiral lithium amides leading to different optical purities of (III).
ChemInform Abstract: Isotopic Selectivity in the One‐Electron‐Promoted Cleavage of Ring‐Deuterated Naphthylmethyl Phenyl Ethers and Naphthyl Benzyl Ethers.
Authors: GUTHRIE R. D. , SHI B. 
Published: May 2016

AbstractReactions of 1:1 mixtures of (Ia) and (Ib) with fluorene radical anion (Fl·‐) result in the cleavage of the CH2‐O bond and the formation of isotopically enriched methylnaphthalene.
ChemInform Abstract: Charge‐Transfer Cycloaddition of Homobenzvalene with Tetracyanoethylene.
Authors: KIM E. , CHRISTL M. , KOCHI J. K. 
Published: May 2016

AbstractPhotoexcitation of a mixture of (I) and (II) affords the CT‐cycloadducts (III)‐(V) via the yellow‐colored radical‐ion pair.
ChemInform Abstract: Hypervalent Iodine Oxidation of Aromatic Ketones: A Direct Synthesis of 2‐Arylalkanoic Acids via 1,2‐Aryl Shift.
Authors: PRAKASH O. , GOYAL S. , MORIARTY R. M. , KHOSROWSHAHI J. S. 
Published: May 2016

AbstractAcetophenones (cf.
ChemInform Abstract: Homogeneous and Heterogeneous Asymmetric Reactions. Part 5. Diastereoselective and Enantioselective Hydrogenation of Cyclic β‐Keto Esters on Modified Raney‐Nickel Catalysts.
Authors: WITTMANN G. , GOENDOES G. + , BARTOK M. 
Published: May 2016

AbstractHydrogenation of the ketones (I) with an unmodified Raney‐Ni catalyst leads to the cis‐ and trans‐alcohols (II) and (III) with only low diastereoselectivities.
ChemInform Abstract: Regioselective Bromination in the Aromatic Series. Part 1. Monobromination of the para Position of Phenols and Aromatic Amines by Tetrabutylammonium Tribromide.
Authors: BERTHELOT J. , GUETTE C. , DESBENE P.‐L. , BASSELIER J.‐J. , CHAQUIN P. , MASURE D. 
Published: May 2016

AbstractA mechanism involving electrophilic substitution by the tribromide anion Br3‐ is suggested to account for the regioselective bromination of phenols, e.g. (I), and amines such as (IX).
ChemInform Abstract: Kinetics of Reactions of Thiolate Ions with α‐Nitro β‐Substituted Stilbenes in 50% Me2SO‐50% Water. Observation of the Intermediate in Nucleophilic Vinylic Substitution Reactions.
Authors: BERNASCONI C. F. , FASSBERG J. , KILLION R. B. JUN. , RAPPOPORT Z. 
Published: May 2016

AbstractThe formation of the intermediate (III) is realized in the substitution reaction of (II) with (I) (provided with a very poor leaving group).
ChemInform Abstract: Synthesis of α‐Hydrazinooximes.
Authors: POTEKHIN A. A. , ALEKSANDROVA T. V. , DOKICHEV V. A. , SOLOV'EVA L. V. 
Published: May 2016

AbstractThe reactions between the monoalkylhydrazines (I) and the dimeric nitrosochloroalkanes (II) afford 4:1 mixtures of the E‐configurated regioisomeric α‐hydrazinooximes (III) and (IV).
ChemInform Abstract: Search for Nonsteroidal Antiinflammatory Drugs from β‐Thiopropionic Acid Derivatives.
Authors: TROFIMOV B. A. , VAVILOVA A. N. , KALMYKOV S. V. , KAZIMIROVSKAYA V. B. 
Published: May 2016

AbstractThe isothiuronium salts (I) are coupled with acrylic acid (II) to give the ammonium alkylthiopropionates (V) via the free acids (III).
ChemInform Abstract: A Novel Synthesis of Unsymmetrical Azo Aromatics Inaccessible by Diazo‐Coupling Reaction.
Authors: AYYANGAR N. R. , NAIK S. N. , SRINIVASAN K. V. 
Published: May 2016

AbstractThe target compounds (III) are obtained by phase‐transfer catalyzed base‐induced reaction of the N‐aryl acetamides (I) with the nitroarenes (II).
ChemInform Abstract: Enantioselective Syntheses with Titanium‐Carbohydrate Complexes. Part 5. Enantio‐ and Diastereoselective Aldol Reaction of 2,6‐Dimethylphenyl Propionate Using Titanium‐Carbohydrate Complexes.
Authors: DUTHALER R. O. , HEROLD P. , WYLER‐HELFER S. , RIEDIKER M. 
Published: May 2016

AbstractThe syn products, e.g. (III), of the title reaction are most likely formed via the E Ti‐enolate of the starting compound (I).
ChemInform Abstract: Novel ((Diazomethyl)carbonyl)‐1,2,3,4‐tetrahydronaphthalene Derivatives as Potential Photoaffinity Ligands for the 5‐HT1A Receptor.
Authors: KLINE T. B. , NELSON D. L. , NAMBOODIRI K. 
Published: May 2016

AbstractThe α‐diazo carbonyl compounds (III), (V), and (XIV) are prepared as outlined in the reaction scheme.
ChemInform Abstract: Synthesis, Properties, and Biological Activity of 2‐(N‐(1‐Adamantyl)imino)‐4‐R‐5‐(p‐R‐phenyl)‐2,3‐dihydro‐3‐furanones and Products of Their Hydrolysis.
Authors: YANBORISOV T. N. , SHUROV S. N. , ANDREICHIKOV YU. S. , RUDAKOVA I. P. , SEMENOVA E. N. , NOVOSELOVA G. N. 
Published: May 2016

AbstractThe furandiones (I) react with the adamantyl isocyanide (II) to give the adamantylimino derivatives (III).
ChemInform Abstract: Studies on the Terpenoids and Related Alicyclic Compounds. Part 39. A Synthesis of α‐Methylene‐γ‐lactones Fused to Medium and Large Rings by Intramolecular Cyclization of Formylated Allyl Halides.
Authors: NISHITANI K. , ISOZAKI M. , YAMAKAWA K. 
Published: May 2016

AbstractMonoprotection of the diols (I), followed by Swern oxidation and coupling with the hydroxy ester (IV), gives the dihydroxy esters (V).
ChemInform Abstract: Synthesis of Enantiomerically Pure Bi‐ and Tricyclic Lactones with Quaternary Chiral Centers.
Authors: DE JONG J. C. , FERINGA B. L. 
Published: May 2016

AbstractThe chiral furanone (II) reacts with cyclopentadiene (I) or 2,3‐dimethylbutadiene (VIII) to form the Diels‐Alder adducts (III) or (IX).
ChemInform Abstract: Syntheses with Nitriles. Part 86. Chemistry of 2,3‐Dihydro‐3‐oxo‐benzo(b)thiophene 1,1‐Dioxide.
Authors: TAUBER C. , KLADE M. , STERK H. , JUNEK H. 
Published: May 2016

AbstractThe title thiophene derivative (I) reacts as CH‐acidic or carbonyl‐active compound to give the products shown in the scheme.
ChemInform Abstract: Oxidative Imidation of Sodium Salts of N‐Arenesulfonylarenesulfenamides. N‐((S‐Arenesulfonylimino)arenesulfinyl)‐succinimides.
Authors: KOVAL' I. V. , PANASENKO T. G. 
Published: May 2016

AbstractThe reaction between the sodium N‐phenylsulfonyl‐N‐arylsulfenylamides (I) and NBS (II) affords the hitherto unknown title compounds (III).
ChemInform Abstract: Synthesis and Monolayer Spreading Behavior of Surface‐Active Compounds Containing Electron‐ and Hole‐Transporting Groups. Part 2. Carbazole Derivatives.
Authors: TAYLOR J. W. , SLOAN C. P. , HOLDEN D. A. , KOVACS G. J. , LOUTFY R. O. 
Published: May 2016

AbstractThe new surface‐active carbazole derivatives (III) and (IX) are intended to have applications as hole‐transporting materials in thin‐film devices assembled by the Langmuir‐Blodgett technique.
ChemInform Abstract: Rearrangements in the Furan Series. Part 4. The Reaction Between Furan‐2‐carbaldehyde and Aniline.
Authors: LEWIS K. G. , MULQUINEY C. E. 
Published: May 2016

AbstractIt is shown that reaction of the furan carbaldehyde (II) with 3 or 4 molecules of aniline (IV) gives rise to a substance assigned as the dicyclopentapyrrolone (III) rather than the simple anil (I) previously proposed.
ChemInform Abstract: Cycloadditions. Part 18. 5‐Aminoisoxazoles by Cycloaddition of Nitrile Oxides to Ynamines.
Authors: HIMBERT G. , KUHN H. , BARZ M. 
Published: May 2016

AbstractVarious ynamines such as (I) undergo 1,3‐dipolar cycloaddition with nitrile oxides such as (II) to give isoxazoles (III).
ChemInform Abstract: Interaction of 4‐Alkylthiosemicarbazide Hydrochlorides with Arylcyanamides: Formation of 4‐Alkyl‐3‐arylamino‐1,2,4‐triazoline‐5‐thiones.
Authors: JOSHUA C. P. , LISSAMMA K. , JOSEPH K. M. 
Published: May 2016

AbstractThe title reaction leads to formation of intermediate amidinothiosemicarbazides.
ChemInform Abstract: S,S′‐ and S,N‐Disubstituted Derivatives of 1,3,4‐Thiadiazoledithiones.
Authors: KATRITZKY A. R. , WANG Z. , OFFERMAN R. J. 
Published: May 2016

AbstractThe S,N‐disubstituted derivative (IV) is produced by a facile synthesis.
ChemInform Abstract: Regiospecific and Highly Stereoselective Formation of Benzisochroman‐6,9‐quinones. Synthesis of (.+‐.)‐Ventilagone and (.+‐.)‐Ventiloquinone H.
Authors: BLOUIN M. , BELAND M.‐C. , BRASSARD P. 
Published: May 2016

AbstractThe benzoisochromandiones (IX) are obtained by regioselective Diels‐Alder reaction of the halo‐p‐benzoquinones (VIII) with the electron‐rich heterocyclic diene (VII), prepared as shown in the reaction scheme, and subsequent acid‐induced aromatization.
ChemInform Abstract: Nucleophilic Addition of 2‐, 3‐, or 4‐(2‐(Methylamino)ethyl)pyridine to the Aziridine, 7‐Methyl‐7‐azabicyclo(4.1.0)heptane.
Authors: REES D. C. 
Published: May 2016

AbstractThe benzofuranacetamide (V), which is a derivative of the kappa opioid analgesic benzofuranacetamide (VI), is synthesized in order to study the effect of the N‐pyridylethylamino group for the analgesic potency.
ChemInform Abstract: Synthesis of 4,4′‐Divinyl‐2,2′‐bipyridine.
Authors: DELLA CIANA L. , DRESSICK W. J. , VON ZELEWSKY A. 
Published: May 2016

AbstractThe bipyridine (V), which can be used for the preparation of electroactive polymer films, is synthesized in 12% overall yield from (I).
ChemInform Abstract: Synthesis of 3‐Substituted‐3,4‐dihydro‐2(1H)‐pyridinones from Nitriles.
Authors: CHELUCCI G. , GIACOMELLI G. 
Published: May 2016

AbstractThe title compounds (IV) and (VIII), which are precursors of optically active nitrogen heterocycles, are prepared through a three step sequence based on a cyclization of acetal amides.
ChemInform Abstract: Synthesis and Reactivity of 2‐(1,3‐Dithian‐2‐yl)indoles. Part 3. Influence of the Indole Protective N‐Phenylsulfonyl Group.
Authors: RUBIRALTA M. , DIEZ A. , REIG I. , CASTELLS J. , BETTIOL J.‐L. , GRIERSON D. S. , HUSSON H.‐P. 
Published: May 2016

AbstractLithiation of the 1‐(arylsulfonyl)‐2‐dithianylindole (I) and subsequent reaction with electrophiles such as N‐methyl‐4‐piperidone (II) yield the adduct (III) which produces the hydroxy ketone (IV) upon deprotection with bis(trifluoroacetoxy)iodobenzene.
ChemInform Abstract: Synthesis of New 4‐Aryl‐8‐heteroaryl‐2‐methyl‐1,2,3,4‐tetrahydroisoquinolines.
Authors: ZARA‐KACZIAN E. , DEAK G. 
Published: May 2016

AbstractStarting from the isoquinolines (I) and (V), the novel title compounds (IV) and (X) and some related derivatives are prepared.
ChemInform Abstract: Acetylenic Chemistry. Part 15. Reactions of 1,2,3,4‐Tetrahydro‐2,4‐dioxopyrido(2,3‐d)pyrimidine with 3‐Bromoprop‐1‐yne.
Authors: REISCH J. , USIFOH C. O. , OLUWADIYA J. O. 
Published: May 2016

AbstractThe reaction of the pyrimidine (I) with bromopropyne (II) gives the dialkylated derivative (IIIc) in addition to the monoalkylated compounds (IIIa) and (IIIb).