bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Synthesis of Diarylenes from Activated Nitro‐ or Halogen‐Substituted Aromatic Compounds and Sodium Sulfide.
Authors: PLAKHTINSKII V. V. , KRASOVSKAYA G. G. , ABRAMOVA M. B. , MIRONOV G. S. 
Published: May 2016

AbstractTreatment of the benzonitriles (I), the acenaphthenedione (IV), or the naphthalic anhydride (VI) with sodium sulfides gives the thioethers (II), (V), and (VII) respectively.
ChemInform Abstract: A Preferred Intramolecular ′Ene′ Reaction Between Ketene and Olefin.
Authors: KHER S. M. , KULKARNI G. H. , MITRA R. B. 
Published: May 2016

AbstractThe acid chloride (VII), prepared from the phenol (I) by conventional methods, is treated with triethylamine to generate the corresponding ketene.
ChemInform Abstract: Thiol Esters in Organic Synthesis. Part 15. Reduction with Tetrabutylammonium Borohydride.
Authors: LIU H.‐J. , LUO W. 
Published: May 2016

AbstractRefluxing with 3 equivalents of tetra‐n‐butylammonium borohydride converts the thioloesters (I) to the primary alcohols (II).
ChemInform Abstract: New Fluorinating Reagents. Part 2. Preparation and Synthetic Application of a Saccharin Derived N‐Fluorosultam.
Authors: DIFFERDING E. , LANG R. W. 
Published: May 2016

AbstractThe title reagent (I), whose synthesis is described starting from saccharin in 3 steps, is proven to be an efficient fluorinating reagent, which has considerable advantages over commercially available Barnette‐type N‐alkyl‐N‐fluorosulfonamides, in particular due to the absence of H‐atoms in the α‐position to the N‐atom.
ChemInform Abstract: Aziridination of Alkenes Using 3‐Amino‐2‐ethylquinazolin‐4(3H)‐one and Lead Tetraacetate‐Trifluoroacetic Acid.
Authors: ATKINSON R. S. , KELLY B. J. 
Published: May 2016

AbstractThe known aziridination of alkenes by oxidative addition of heterocycles of type (I) had previously given unsatisfactory results in the case of terminal alkenes (e.g.
ChemInform Abstract: Dehydration of β‐Hydroxy α‐Amino Acid Derivatives with Phenyltriflimide.
Authors: TORRINI I. , PAGANI ZECCHINI G. , PAGLIALUNGA PARADISI M. 
Published: May 2016

AbstractThe amino acid derivatives (I) mentioned in the title are dehydrated with phenyltriflimide in the presence of triethylamine, yielding the α‐alkylidene amino acids (II).
ChemInform Abstract: A Simple and Convenient Synthesis of 5‐Alkyl‐Substituted 3‐Isopropenyl‐and 3‐Acetyltropolones.
Authors: IMAFUKU K. , ARAI K. 
Published: May 2016

AbstractThe tropolones (IX) are prepared by cycloaddition reaction of dichloroketene with the fulvenes (VI) and subsequent base‐induced ring enlargement.
ChemInform Abstract: Fluoride‐Catalyzed Condensation of 1‐Phenylsulfinyl‐1‐(trimethylsilyl)cyclopropane with Carbonyl Compounds.
Authors: POHMAKOTR M. , SITHIKANCHANAKUL S. 
Published: May 2016

AbstractThe starting sulfinylcyclopropane (II), prepared by oxidation of the thioether (I), is coupled with the aldehydes (III) under desilylative conditions to produce the cyclopropyl carbinols (IV) as a mixture of diastereomers.
ChemInform Abstract: Conversion of Stilbene to Trisubstituted Olefins.
Authors: AL‐HASSAN M. I. 
Published: May 2016

AbstractThe stereoisomeric stilbenes (I) and (IV) are dibrominated and then subjected to base‐induced dehydrobromination, yielding selectively cis‐(III) or trans‐bromostilbene (VI).
ChemInform Abstract: Synthesis of (Trimethylsilyl)(cyclopropyl)acetylenes and Terminal Cyclopropylacetylenes via an Arsonium Ylide Under Phase‐Transfer Conditions.
Authors: SHEN Y. , LIAO Q. 
Published: May 2016

AbstractPhase‐transfer reaction of the arsonium ylide (II), obtained from the arsonium salt (I) and aqueous sodium hydroxide, with the chalcones (III) leads to the stereoselective formation of the (trimethylsilyl)‐(cyclopropyl)acetylenes (IV).
ChemInform Abstract: Polycyclic Hydroxyquinones. Part 26. Regio‐ and Siteselectivity in the Diels‐Alder Reactions of 4‐Sulfonyliminoanthracene‐1,9,10‐triones.
Authors: FARINA F. , PAREDES M. C. , PUEBLA L. , STEFANI V. 
Published: May 2016

AbstractWith a view to the synthesis of anthracyclinone systems, Diels‐Alder reactions of the triones (IIa) and (IIb) with various substituted dienes are investigated.
ChemInform Abstract: Flavonoid Epoxides. Part 18. Solvolysis Products of 2‐Arylmethylenebenzo(b)furan‐3(2H)‐one (Aurone) Epoxides.
Authors: BRADY B. A. , GEOGHEGAN M. , O'SULLIVAN W. I. 
Published: May 2016

AbstractThe solvolysis of title compounds such as (I) results in oxirane ring opening to yield products of type (IV).
ChemInform Abstract: Reactions of 1H‐2‐Benzothiopyran 2‐Oxides with Active Methylene Compounds: A Novel Ring Contraction of 1‐Aryl Derivatives to Benzo(c)thiophenes. X‐Ray Molecular Structure of 1‐(2,2‐Diacetylvinyl)‐3‐phenylbenzo(c)thiophene.
Authors: HORI M. , KATAOKA T. , SHIMIZU H. , HONGO J. , KIDO M. 
Published: May 2016

AbstractThe title reaction fails to yield the expected sulfur ylides but rather leads to 1‐alkylated benzothiopyrans (III) if the unsubstituted compound (I) is used as the starting material.
ChemInform Abstract: Palladium‐Catalyzed Indole and Benzofuran Ring Formation Accompanying Carbonylation.
Authors: KONDO Y. , SAKAMOTO T. , YAMANAKA H. 
Published: May 2016

AbstractTreatment of the acetylenes (I) and (V) with carbon monoxide (II) and methanol (III) results in the formation of the heterocyclic carboxylates (IV) and (VI).
ChemInform Abstract: Electron‐Transfer‐Induced Photochemical Reactions in Imide‐RXCH2TMS Systems. Photoaddition of α‐Trimethylsilyl‐Substituted Heteroatom Containing Compounds to Phthalimides.
Authors: YOON U.‐C. , KIM H.‐J. , MARIANO P. S. 
Published: May 2016

AbstractPhotolysis of the phthalimides (I) and (XI) with the α‐silyl ether (II), the sulfide (IV), and the amine (VIII) yields the coupling products (III), (V), (IX), (XII), and (XIV) or the dimer (XVI).
ChemInform Abstract: Preparation of 4‐Amino‐3(2H)‐pyridazinones by Direct Amination of 3(2H)‐Pyridazinones with Hydrazine.
Authors: COATES W. J. , MCKILLOP A. 
Published: May 2016

AbstractTreatment of the pyridazinones (I) with hydrazine hydrate (II) in ethylene glycol leads to the formation of the 4‐aminopyridazinones (III) and the 3‐hydrazinopyridazines (IV).
ChemInform Abstract: 5‐Amino‐6‐nitroquinoxalines from 6‐Nitroquinoxalines by the Amination Reaction with Hydroxylamine.
Authors: NASIELSKI‐HINKENS R. , KOTEL J. , LECLOUX T. , NASIELSKI J. 
Published: May 2016

AbstractThe title reaction converting the nitroquinoxalines (I) to the aminonitro derivatives (III) is optimized.
ChemInform Abstract: Use of a Domestic Microwave Oven in Organometallic Chemistry.
Authors: ALI M. , BOND S. P. , MBOGO S. A. , MCWHINNIE W. R. , WATTS P. M. 
Published: May 2016

AbstractMetalation of aromatic rings, e.g. the reaction of azobenzene (I) with mercury diacetate (II) and lithium chloride (III), yielding the phenylmercury compound (IV), or ligand redistribution reactions, e.g. the reaction of bismuth triphenyl (V) and bismuth trichloride (VI), producing phenyldichlorobismuthine (VII), as well as other organometallic reactions can be carried out in Teflon containers in domestic microwave ovens.
ChemInform Abstract: Reduction of the trans‐Isomers of 2‐Phenyl‐3‐(2‐furyl)‐2‐thioxo‐2‐phosphabicyclo(4.4.0)decan‐5‐one.
Authors: BOSYAKOV YU. G. , LOGUNOV A. P. , REVENKO G. P. , ATEZHANOVA G. O. 
Published: May 2016

AbstractReduction of the phosphadecalinones (I) with lithium alanate gives mixtures of the hydroxy compounds (II) and (III) depending on the orientation of R1/R2.
ChemInform Abstract: A Cyclic 1,2‐Diphospha‐1,3‐diene. Synthesis, Crystal Structure, and Bonding Properties.
Authors: GUETH W. + , BUSCH T. , SCHOELLER W. W. , NIECKE E. , KREBS B. , DARTMANN M. , RADEMACHER P. 
Published: May 2016

AbstractMetal hydride reduction of the chlorophosphane (I) yields the crude secondary phosphane (II) which is pyrolyzed to yield the title compound (III).
ChemInform Abstract: Preparation and Structure of ((C6H5)4P)((C5H5)Mo(S4)2): A Convenient Synthesis of an Organometallic Metal Polysulfide Anion.
Authors: O'NEAL S. C. , PENNINGTON W. T. , KOLIS J. W. 
Published: May 2016

AbstractThe title compound (V), which is obtained on reaction of (III) with S8 either in situ or after isolation, is unique because it is an organometallic member of the series (Z=Mo(S4)2)2‐ (Z: O, S) affording an entry into the chemistry of organometallic metal sulfide anions.
ChemInform Abstract: Pentadienyluranium Borohydride Complexes and Their Cyclopentadienyl Analogues. Crystal Structures of (η‐2,4‐Me2C5H5)U(BH4)3 and (η‐C5H5)U(BH4)3.
Authors: BAUDRY D. , BULOT E. , CHARPIN P. , EPHRITIKHINE M. , LANCE M. , NIERLICH M. , VIGNER J. 
Published: May 2016

AbstractU(BH4)4 (I) reacts with 2,4‐dimethylpentadienyl potassium (II) in toluene to give the borohydride uranium complex (III).
ChemInform Abstract: Monocapped Tris(dioxime) Complexes of Technetium(III): Synthesis and Structural Characterization of TcX(dioxime)3B‐R (X: Cl, Br; dioxime: Dimethylglyoxime, Cyclohexanedione Dioxime; R: CH3, C4H9).
Authors: TREHER E. N. , FRANCESCONI L. C. , GOUGOUTAS J. Z. , MALLEY M. F. , NUNN A. D. 
Published: May 2016

AbstractThe new family of complexes (V) (20‐56% yield) can also be obtained by template synthesis starting with (Bu4N)(TcOCl4) or (TcX6)2‐ (X: ‐Cl, ‐Br).
ChemInform Abstract: Novel Carbon‐Carbon Bond Formation Induced by Depalladation of Organometallic Compounds.
Authors: PFEFFER M. , ROTTEVEEL M. A. , SUTTER J.‐P. , DE CIAN A. , FISCHER J. 
Published: May 2016

AbstractTreatment of the palladated dimethylaminomethylferrocene (I) with 3‐hexyne (IIa) or diphenylacetylene (IIb) at room temperature leads to the formation of the insertion products (III).
ChemInform Abstract: Studies of the Reduction of the Nickel(II) Complex of 5,10,15,20‐Tetraphenyl‐21‐thiaporphyrin to Form Corresponding Nickel(I) Complexes.
Authors: CHMIELEWSKI P. , GRZESZCZUK M. , LATOS‐GRAZYNSKI L. , LISOWSKI J. 
Published: May 2016

AbstractThe title complex (I) undergoes one‐electron reduction to give the Ni(I) complex.
ChemInform Abstract: Synthesis and Characterization of Rhodium(III) Complexes Bound to the Novel Bridging Ligand 2,3,5,6‐Tetra(2‐pyridyl)pyrazine (tppz).
Authors: RUMINSKI R. R. , LETNER C. 
Published: May 2016

AbstractThe complexes (I) and (II) are prepared by reacting 1:2 or 2:1 RhCl3 to tppz mole ratios in refluxing ethanol and methanol, resp. (yield 80/85%).
ChemInform Abstract: Syntheses and Characterization of Mn(III), Co(II), Zn(II) and Pd(II) Complexes of 5,7,12,14‐Tetraphenyldibenzo(b,i)(1,4,8,11)tetraaza(14)annulene: Electrochemical, Spectral Properties and the Effects of Axial Ligation.
Authors: HOCHGESANG P. J. , BEREMAN R. D. 
Published: May 2016

AbstractThe title complexes (Ia) and (Ib) are synthesized in 30‐50% yield from PdCl2(DMSO)2, Co(OAc)2, Zn(SO3CF3)2, and Mn(acac)2Cl by modifying a general procedure described previously.
ChemInform Abstract: Reactions of Hexachloroosmate(IV) with Hydrazine Hydrate: Syntheses and Properties of Pentaammine(dinitrogen)osmium(II) Chloride and Decaammine(μ‐nitrido)diosmium(IV) Chloride.
Authors: LAY P. A. , TAUBE H. 
Published: May 2016

AbstractSlow addition of powdered hexachloroosmate (II) to hydrazine hydrate (I) followed by refluxing results in a mixture of the monomeric dinitrogen derivatives (IIIa) and (IIIb) and some of the nitrido‐bridged dimer (IV).
ChemInform Abstract: Thermal and Photochemical C‐H Bond Reactions of Alkenes in (Tris(pyrazolyl)borato)iridium(I) Complexes.
Authors: TANKE R. S. , CRABTREE R. H. 
Published: May 2016

AbstractIn the hope of obtaining a labile system from which it is possible to prepare polyhydrides an attempt is made to prepare the cyclooctene analogue of (V).
ChemInform Abstract: Bis(platinum) Complexes. Formation of Trans Derivatives from Tetraamine Complexes.
Authors: FARRELL N. , QU Y. 
Published: May 2016

AbstractDiamine‐bridged trans Pt2 complexes of the type (V) are prepared as shown in the scheme using 1,4‐diaminobutane (II) as an example for α,ω‐diaminoalkanes.
ChemInform Abstract: Steroids. Part 345. Antiandrogenic A‐Homo‐B,19‐dinorandrostanes from 5β‐Methyl‐19‐norandrost‐9‐enes with Different Substituents in Positions 3 and 17.
Authors: KASAL A. 
Published: May 2016

AbstractWestphalen‐type 6β‐chloro derivatives such as (I) are converted into methyleno‐A‐homo‐B,19‐dinorandrostenes such as (III) with different substituents in positions 3 and 17, which are used for the preparation of the antiandrogenic compound (V).
ChemInform Abstract: Synthesis of Boc‐Cys‐Ala‐OMe and Its Stereoselective Addition to α‐Methylene‐γ‐butyrolactones.
Authors: TALAGA P. , SCHAEFFER M. , MATTES H. , BENEZRA C. , STAMPF J.‐L. 
Published: May 2016

AbstractThe stereoselective addition of the enantiomerically pure dipeptide (III) to various α‐methylene‐γ‐butyrolactones such as (IV) is studied.
ChemInform Abstract: Characterization of Crystalline and Amorphous Phases During the Synthesis of (TPA, M)‐ZSM‐5 Zeolites (M: Li, Na, K).
Authors: NAGY J. B. , BODART P. , COLLETTE H. , FERNANDEZ C. , GABELICA Z. , NASTRO A. , AIELLO R. 
Published: May 2016

AbstractIn addition to an examination of the crystallization kinetics of the title zeolites, the intermediate gel and crystalline phases progressively formed during the synthesis are characterized by using XRD, thermal analysis, bulk and surface chemical analyses, SEM, and multi‐nuclear NMR (7Li, 13C, 23Na, 27Al, 29Si).
ChemInform Abstract: The Tungsten(IV) Aqua Ion; Reduction Studies and Detection of Aquachloro Complexes of (W3(μ3‐O)(μ2‐O)3)4+ by 17O and 183W NMR Spectroscopy.
Authors: PATEL A. , MCMAHON M. R. , RICHENS D. T. 
Published: May 2016

AbstractThe use of 17O and 183W NMR allows the clear identification of (II), which is found to be the main product of the acid catalyzed hydrolysis of hexachlorotungstate(IV).
ChemInform Abstract: High‐Resolution 1H NMR Study of Hydrogen Sulfide Adsorption on Heterogeneous Catalysts.
Authors: MASTIKHIN V. M. , MUDRAKOVSKY I. L. , NOSOV A. V. , MASHKINA A. V. 
Published: May 2016

AbstractFor the first time, 1H MAS NMR spectra of a variety of unloaded and H2S‐loaded catalysts (Al2O3, NaOH/Al2O3, K2CO3/Al2O3, HF/Al2O3, H3PO4/SiO2, K2CO3/SiO2, NaX, NaY, and H‐ZSM‐5) are obtained and analyzed.
ChemInform Abstract: Zeolites H‐(Ga)ZSM‐5 and H‐ZSM‐5. A Comparative Study of the Introduction of Transition‐Metal Cations by a Solid‐State Reaction.
Authors: KUCHEROV A. V. , SLINKIN A. A. , BEYER G. K. , BORBELY G. 
Published: May 2016

AbstractThe results of an ESR investigation of the solid‐state interaction at 300‐800 °C between H‐(Ga)ZSM‐5 and compounds of Cu, Fe, Cr, or V (CuO, FeCl3, CrO3, V2O5, and VO(NO3)2) are compared with data previously obtained for H‐ZSM‐5. It is shown that replacement of Al by Ga in the ZMS‐5 framework reduces the strength of the protonic (acid) sites resulting in less powerful and less thermostable "traps" for migrating cationic species.
ChemInform Abstract: Nature of the Different Nickel Species in Sulfided Bulk and Alumina‐Supported NiMo Hydro‐Treating Catalysts.
Authors: HOUSSENBAY S. , KASZTELAN S. , TOULHOAT H. , BONNELLE J. P. , GRIMBLOT J. 
Published: May 2016

AbstractComparative XPS and ISS studies of bulk nickel molybdenum sulfides and of a sulfided NiMo/γ‐Al2O3 catalyst permit the identification of several types of Ni species on both the catalytic systems.
ChemInform Abstract: Crystal Growth and Substitutional Chemistry of Pb2Sr2MCu3O8
Authors: SCHNEEMEYER L. F. , CAVA R. J. , JAMES A. C. W. P. , MARSH P. , SIEGRIST T. , WASZCZAK J. V. , KRAJEWSKI J. J. , PECK W. P. JUN. , OPILA R. L. , GLARUM S. H. , MARSHALL J. H. , HULL R. , BONAR J. M. 
Published: May 2016

Abstract(M: Y, La, Ce‐Lu).
ChemInform Abstract: The Preparation and Crystal Structure of an Anionic Silver Pentasulfide Chain in ∞(Ag(S5)‐)(Me4N+).
Authors: BANDA R. M. H. , CRAIG D. C. , DANCE I. G. , SCUDDER M. L. 
Published: May 2016

AbstractThe title polysulfide (IV), which is prepared using the procedure outlined in the scheme, crystallizes in the space group Cc with Z=4.
ChemInform Abstract: Hexacarbonylmolybdenum(0)‐Induced Dechalcogenization of Allylic Sulfides, Sulfones, and Selenides: Nucleophilic Substitution and Reductive Dechalcogenization.
Authors: MASUYAMA Y. , YAMADA K. , SHIMIZU S. , KURUSU Y. 
Published: May 2016

AbstractAllyl chalcogenides have been applied as reagents for three‐carbon homologation.
ChemInform Abstract: The Copper‐Catalyzed Reaction of Sodium Methoxide with Aryl Bromides. A Mechanistic Study Leading to a Facile Synthesis of Anisole Derivatives.
Authors: AALTEN H. L. , VAN KOTEN G. , GROVE D. M. , KUILMAN T. , PIEKSTRA O. G. , HULSHOF L. A. , SHELDON R. A. 
Published: May 2016

AbstractThe title reaction is extensively studied a) to develop a convenient synthesis of methyl aryl ethers from aryl bromides, b) to elucidate the mechanism, and c) to extend eventually this reaction to aryl chlorides (yielding the environmentally favored NaCl as the waste product instead of NaBr).
ChemInform Abstract: Pyridazines. Part 45. Mechanism of an Unusual 1,2‐Diazine → 1,2‐Diazole Ring Contraction.
Authors: HEINISCH G. , HUBER T. , LANGER C. , GOESSLER W. + , KOLLENZ G. 
Published: May 2016

AbstractAs reported previously, the treatment of aryl(4‐pyridazinyl)methanols of type (I) with TosOH leads unexpectedly to a rearranged pyrazole like (II) along with dismutation products (III).
ChemInform Abstract: Racemization vs. 1,3‐Shift in the Excited State of 1‐Methyl‐2‐cyclohexenyl Phenyl Ketone (I).
Authors: CHAE M. Y. , CHAE W. K. 
Published: May 2016

AbstractRac. (±)‐(I) remains unchanged after direct irradiation (350 nm) up to 40 min; more than 60 min irradiation produces products such as Ph‐CHO (under investigation).
ChemInform Abstract: Simultaneous Hydrodenitrogenation of Pyridine and Hydrodesulfurization of Thiophene Over Carbon‐Supported Platinum Metal Sulfides.
Authors: VIT Z. , ZDRAZIL M. 
Published: May 2016

AbstractAt 280 °C and 2 MPa the platinum metal sulfides are better catalysts in hydrodesulfurization (HDS) and much better catalysts in hydrodenitrogenation (HDN) than the conventional Ni‐Mo/Al2O3 and Co‐Mo/Al2O3 systems.
ChemInform Abstract: A Meerwein‐Ponndorf‐Verley Type Reduction of α,β‐Unsaturated Ketones to Allylic Alcohols Catalyzed by MgO.
Authors: KASPAR J. , TROVARELLI A. , LENARDA M. , GRAZIANI M. 
Published: May 2016

AbstractThe title method is also successfully applied to the homoallylic ketone (VII).
ChemInform Abstract: The Bromination of Pyridines. Part 3. The Bromination of Ethylated Pyridines and Higher Homologues.
Authors: DUNN A. D. , BLAIS M. 
Published: May 2016

AbstractAs an extension of the bromination of lutidines in 20% oleum at 155‐175 °C (already published), results are now reported for the bromination of other alkylated pyridines such as (I), (III), (V), and (VII); milder conditions A) are found to be inevitable.
ChemInform Abstract: First Example of Catalytic Decarbonylation and Metathesis Reactions of α‐Ketophosphonates Promoted by a Palladium Complex.
Authors: NAKAZAWA H. , MATSUOKA Y. , YAMAGUCHI H. , KUROIWA T. , MIYOSHI K. , YONEDA H. 
Published: May 2016

AbstractAryl‐ and alkylketophosphonates such as (I) undergo decarbonylation in the presence of a catalytic amount of a Pd complex.
ChemInform Abstract: Reaction of 1‐Chloroalkyl Isocyanates with N‐Substituted Amides of Carboxylic and Imides of Dicarboxylic Acids.
Authors: VOVK M. V. , DOROKHOV V. I. , PIROZHENKO V. V. , SAMARAI L. I. 
Published: May 2016

AbstractThe reaction between the isocyanates (I) and the N‐arylamides (II) affords the N‐alkylidene‐N'‐acylureas (III) in fair to good yields.
ChemInform Abstract: Copper Coupling Reactions of 1,3‐Bis(2‐hydroxyhexafluoro‐2‐propyl)‐5‐iodobenzene and Its Derivatives.
Authors: SOULEN R. L. , GRIFFITH J. R. 
Published: May 2016

AbstractCopper‐initiated homocoupling of the bis(methyl ether) (I) of the title compound gives the biphenyl derivative (II), whereas the corresponding diacetate or diol (III) fail to perform this reaction.
ChemInform Abstract: Selective Functionalization of Calix(4)arenes at the Upper Rim.
Authors: VAN LOON J.‐D. , ARDUINI A. , VERBOOM W. , UNGARO R. , VAN HUMMEL G. J. , HARKEMA S. , REINHOUDT D. N. 
Published: May 2016

AbstractThe calixarene (I) is selectively substituted at the two facing OH groups, producing the bis(phenol ethers) (III).
ChemInform Abstract: Implications of Unusual Population Ratios in Rotational Isomers of 9‐(4‐Substituted Benzyl)‐8,13‐dichloro‐1,4‐dimethyltriptycenes and 4‐Substituted 9‐Benzyl‐8,13‐dichloro‐1‐methyltriptycenes: CH3···π Hydrogen Bond.
Authors: NAKAI Y. , INOUE K. , YAMAMOTO G. , OKI M. 
Published: May 2016

AbstractPopulation ratios of the rotational isomers of the title compounds (III)‐(V) and (VII) are examined by equilibration in solution.
ChemInform Abstract: Reactions of Benzyl Alcohol Over Oxide Catalysts: A Novel Condensation to Form Anthracene.
Authors: GANESAN K. , PILLAI C. N. 
Published: May 2016

AbstractAt temp. above 400 °C, instead of the expected dibenzyl ether, anthracene (III) is formed ‐ via the intermediate (II) ‐ in the heterogeneously catalyzed condensation of (I); additionally, the products (IV) and (V) of disproportionation are obtained.
ChemInform Abstract: The Use of β‐(Tri‐n‐butylstannyl)acrylamides as β‐Lithioacrylamide Synthons.
Authors: IMANIEH H. , MACLEOD D. , QUAYLE P. , DAVIES G. M. 
Published: May 2016

AbstractThe β‐stannylacrylamides (I) and (V) are lithiated and then quenched with proton or deuterium donators, yielding the destannylated derivatives (IV) or (VI).
ChemInform Abstract: Synthesis of Benzofuro(3,2‐b)benzofuran and Benzofuro(2,3‐b)benzofuran.
Authors: TOLMACH E. L. , KUDRYAVTSEV A. B. , ZHELTOV A. YA. , STEPANOV B. I. 
Published: May 2016

AbstractAlthough a large number of derivatives of the compounds specified in the title is already known, the title compounds (IV) and (VIII) themselves are not known until now.
ChemInform Abstract: Synthesis of Heterocyclic Ketene N,O‐Acetals and Their Reactions with α,β‐Unsaturated Esters.
Authors: HUANG Z.‐T. , ZHANG P.‐C. 
Published: May 2016

AbstractThe amino alcohols (I) react with the ketene dithioacetals (II) to give the azolidines (III).
ChemInform Abstract: Synthesis of 4‐Nitro‐1,2,3‐triazoles.
Authors: VERESHCHAGIN L. I. , NIKITIN V. M. , MESHCHERYAKOV V. I. , GAREEV G. A. , KIRILLOVA L. P. , SHUL'GINA V. M. 
Published: May 2016

AbstractA novel and reliable method of preparation of the title compound (V) and of its N‐oxide (VIII) is reported.
ChemInform Abstract: Reactions of Unsaturated Azides. Part 7. Base‐Catalyzed Formation of Allenyl Azides from Propargyl Azides: New Syntheses for 1,2,3‐Triazoles.
Authors: BANERT K. 
Published: May 2016

AbstractThe short‐lived allenyl azide derived from base‐catalyzed rearrangement of the propargyl azide (I) rapidly cyclizes to triazafulvenes, which can be trapped by nucleophiles such as NH3 (II) to give regioselectively the triazoles (III) or (IV).
ChemInform Abstract: Synthesis of Some Substituted Tetrazolylacetic Acids.
Authors: JANDA L. , VOTICKY Z. 
Published: May 2016

Abstract5‐(5‐Bromo‐2‐furyl)‐1H‐tetrazole (III), prepared from 5‐bromo‐2‐furonitrile (I) by cyclization with sodium azide (II), is alkylated with ethyl bromoacetate (IV) to give a mixture of the tetrazolylacetates (V) and (VI).
ChemInform Abstract: Replacement Reactions of 2,3‐Dihydro‐1H‐naphtho(2,1‐b)thiopyran‐1‐ols.
Authors: NAKAZAWA T. , SHIOZAWA Y. , SETSUDA K. , ITABASHI K. 
Published: May 2016

AbstractThe thionaphthols (I) react with the acrylic aldehydes (II) to form the (naphthylthio)propionic aldehydes (III).
ChemInform Abstract: Bromination of Pyridines. Part 2. Bromination of Aminopicolines.
Authors: DUNN A. D. , CURRIE A. , HAYES L. E. 
Published: May 2016

AbstractThe bromination of all ten possible aminopicolines is investigated using 48% HBr/H2O2 at 70 °C. In general, the major product is that corresponding to electrophilic attack at the sites para or ortho to the amino group.