bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Electronic Structure Study of the Formal Oxidation States of Thallium, Lead, and Bismuth in the ASr2Can‐1CunO2n+3 Superconductors (A: Tl0.5Pb0.5, Tl0.5Bi0.5).
Authors: KANG D. B. , JUNG D. , WHANGBO M.‐H. 
Published: May 2016

AbstractMO and tight‐binding band electronic structure calculations show that the oxidation state of Pb in the title superconductor is +4 and that of Bi is either +3 or +5.
ChemInform Abstract: The PbO2‐PbO‐V2O5 System in Air.
Authors: KASSEM Y. M. , MAHDY A. N. , ABADIR M. F. 
Published: May 2016

AbstractThe isobaric sections of the phase diagram of the title system show the presence of the following compounds: 2 PbO·V2O5, 3 PbO·V2O5, and 8 PbO·V2O5.
ChemInform Abstract: The Preparation and X‐Ray Crystal Structure of Te(N3)3SbF6 Containing the Triazidotellurium(IV) Cation, Te(N3)+ 3.
Authors: JOHNSON J. P. , MACLEAN G. K. , PASSMORE J. , WHITE P. S. 
Published: May 2016

AbstractThe title compound is prepared by very slow addition (9 d) of KN3 to a Te4(SbF6)2/SO2 solution.
ChemInform Abstract: Triphenylphosphine Dibromide: Effective and Selective Reagent for the Cleavage of Acetals.
Authors: WAGNER A. , HEITZ M.‐P. , MIOSKOWSKI C. 
Published: May 2016

AbstractTreatment of the acetals (I), (III), or (V) with triphenylphosphine dibromide at a low temperature results in cleavage to form the alcohols (II) and (IV) or the aldehyde (VI).
ChemInform Abstract: Arynic Condensation of Ketone Enolates. Part 20. New Access to Polycyclic Phenylethanolamines.
Authors: CARRE M. C. , AATIF A. A. , GEOFFROY P. , CAUBERE P. 
Published: May 2016

AbstractReaction of the haloarenes (I) with the enolates (II) of cycloalkanedione monoacetals in the presence of sodium amide results in (2 + 2)cycloaddition of the arynes generated in situ, yielding the polycyclic adducts (IIIa) ‐ (IIIg), together with the regioisomer (IVg).
ChemInform Abstract: The Use of Copper(II) Bromide and N‐Bromosuccinimide in the Bromination of 1‐(1‐Methyl‐1H‐pyrrol‐2‐yl)‐2‐phenylethanone.
Authors: MASSA S. , DI SANTO R. , ARTICO M. 
Published: May 2016

AbstractThe (2‐pyrrolyl)phenylethanone (I), prepared ‐ together with its 3‐pyrrolyl analogue (XI) ‐ by Friedel‐Crafts acylation of 1‐methylpyrrole (IX), is treated with cupric bromide to give the bromination products (II) ‐ (V) all bearing a bromine substituent in α‐position to the carbonyl group.
ChemInform Abstract: Nitration of 5‐Phenyl‐ and 3‐Methyl‐5‐phenylisoxazoles.
Authors: CHIMICHI S. , COSIMELLI B. 
Published: May 2016

Abstract5‐Phenylisoxazole (I) reacts with nitric acid (II) in sulfuric acid to yield a mixture of the dinitro derivatives (II) and (III), together with the isomeric 5‐(nitrophenyl)isoxazoles (V) as the main products.
ChemInform Abstract: Reaction of Cyclopropylcarbene‐Chromium Complexes with Alkenes. Synthesis of Cyclopropylcyclopropanes.
Authors: HERNDON J. W. , TUMER S. U. 
Published: May 2016

AbstractThe chromium cyclopropylcarbene complex (I) reacts with methyl acrylate (II) to produce the cyclopropyl(methoxy)cyclopropanecarboxylates (III) and (IV), together with the cyclopropylcrotonate (V).
ChemInform Abstract: Synthesis and Biological Activity of 5‐(1‐Adamantyl)salicylic Acid, 3‐(4‐Hydroxyphenyl)adamantane‐1‐carboxylic Acid, and Some of Their Derivatives.
Authors: SAFONOVA O. A. , KORSAKOVA I. YA. , AGEEVA O. I. , SHVEDOV V. I. , SYUBAEV R. D. , SHVARTS G. YA. , SILIN V. A. 
Published: May 2016

AbstractStarting with the brominated adamantanes (I) and (IV), the title compounds (IIIa) and (VIa) are obtained as shown in the reaction scheme.
ChemInform Abstract: Synthesis of 5‐tert‐Butylbenzo(b)thiophene‐2‐carboxylic Acid.
Authors: GALLAGHER P. T. , OWTON W. M. 
Published: May 2016

AbstractThe tert‐butylcyclohexanone (I) is subjected to Vilsmeier conditions, yielding the chlorinated and formylated derivative (III).
ChemInform Abstract: The Synthesis of 5‐Alkylaminomethylthieno(2,3‐b)pyrrole‐5‐sulfonamides.
Authors: HARTMAN G. D. , HALCZENKO W. 
Published: May 2016

AbstractThe thienopyrrolecarboxylate (I) reacts with phenylsulfonyl chloride (II) in the presence of a base to produce the sulfonamide (III) which is converted into the bissulfonamide (VII) by chlorosulfonylation and subsequent treatment with ammonia (VI).
ChemInform Abstract: A New Heterocyclic Rearrangement: Conversion of 1,2‐Dihydropyrimidines into Pyrroles.
Authors: DE LA HOZ A. , ELGUERO J. , PARDO C. 
Published: May 2016

AbstractTreatment of the dihydropyrimidinecarboxylates (I) with neat acetic anhydride (II) results in ring contraction to produce the pyrroles (IV) and (V).
ChemInform Abstract: Synthesis and Bronchodilatoric Effects of 4‐(Methoxycarbonylalkylsulfinyl)‐3‐pyrrolecarboxylic Acid Esters.
Authors: EIDEN F. , GRUSDT U. 
Published: May 2016

AbstractCoupling of the ω‐mercapto alkanoates (II) with the dihydrofurans (I) yields the sulfides (III).
ChemInform Abstract: Synthesis of 4‐(Arylsulfonyloxy)quinoline‐5,8‐quinones.
Authors: FERNANDEZ M. , LIN T.‐S. , SARTORELLI A. C. 
Published: May 2016

AbstractThe dimethoxyquinolinone (I), prepared from Meldrum's acid by a known procedure, is O‐sulfonated to produce the quinolinyl arenesulfonates (III).
ChemInform Abstract: A Convenient Synthesis of 3‐Aryl‐4‐oxo‐4,5‐dihydrofuro(3,2‐c)quinolines.
Authors: RAO V. S. , DARBARWAR M. 
Published: May 2016

AbstractThe 4‐hydroxyquinolinones (I) are coupled with the bromoacetophenones (II) to give the ethers (III) which undergo acid‐induced cyclization, forming the furoquinolinones (IV) mentioned in the title.
ChemInform Abstract: Synthesis of 1‐Azabenzanthracene: Epimerization with the Use of 1,3‐Dihydrobenzo(c)thiophene S,S‐Dioxide as a Source of ortho‐Quinodimethane.
Authors: AKULA M. R. , LEVY L. A. 
Published: May 2016

AbstractThermolysis of the sulfone (I) generates ortho‐quinodimethane which is directly trapped by cycloaddition reaction with the dihydroquinoline (II), forming a mixture of the cis‐ and trans‐fused hexahydroazabenzanthracenes (III).
ChemInform Abstract: Synthesis and Antihypertensive Properties of Benzodioxanepyridazinones and Benzodioxanedihydropyridazinones.
Authors: CORSANO S. , STRAPPAGHETTI G. , CODAGNONE A. 
Published: May 2016

AbstractThe pyridazinones (IV) and the dihydropyridazinone (VII) are synthesized as outlined in the reaction scheme.
ChemInform Abstract: New 4‐Ring Fused Heterocyclic Systems Derived from Pyrimido(6,1‐a)isoquinolin‐4‐ones. Potent c‐AMP Phosphodiesterase Inhibitors.
Authors: HOWARTH G. A. 
Published: May 2016

AbstractBase‐catalyzed ring closure of homoveratrylurea (II) with diethyl acetamidomalonate (I) yields the acetamidobarbituric acid (III) which is converted into the dihydropyrimidoisoquinolinone hydrochloride (VII) by cyclization, amination with mesidine (V), and deprotection.
ChemInform Abstract: The Reactivity of the Highly‐Functionalized Copper Zinc Reagents RCu(CN)ZnI Toward 1‐Haloalkynes and Acetylenic Esters.
Authors: YEH M. C. , KNOCHEL P. 
Published: May 2016

AbstractThe mixed organozinc cuprates (III) are coupled with the 1‐bromo‐1‐alkynes (IV) to yield the acetylenic compounds (V).
ChemInform Abstract: Stable Chiral But Racemic Phosphines (R)(R′)(R′′)P Containing Two Different (Amino) Substituents: High Yield Synthesis and Conversion to the Respective Phosphine Sulfides.
Authors: MOHAN T. , RAO M. N. S. , ARAVAMUDAN G. 
Published: May 2016

AbstractPhenylphosphonous dichloride (I) reacts with dicyclohexylamine (II) to yield only the phosphonamidous chloride (III) due to sterical hindrance.
ChemInform Abstract: Unexpected Synthesis of a 1,2‐λ3‐Azaphosphiridine.
Authors: DUFOUR N. , CAMINADE A.‐M. , MAJORAL J.‐P. 
Published: May 2016

AbstractReaction of the amino(dichloromethylene)phosphine (I) with two equivalents of the lithium silylamides (II) produces the azaphosphiridines (III).
ChemInform Abstract: Reaction of Trialkylboranes with Sodium Diethyldihydroaluminate in the Presence of 1,4‐Diazabicyclo(2.2.2)octane: A Convenient, General Method for Preparation of Sodium Trialkylhydroborates.
Authors: HUBBARD J. L. 
Published: May 2016

AbstractThe boranes (I) react with sodium diethyldihydroaluminate (II) in the presence of 1,4‐diazabicyclo(2.2.2)octane (DABCO) to produce the sodium tri(cyclo)alkylhydroborates (III).
ChemInform Abstract: Synthesis and Properties of Acyclic and Cryptate Europium(III) Complexes Incorporating the 3,3′‐Biisoquinoline 2,2′‐Dioxide Unit.
Authors: LEHN J.‐M. , PIETRASZKIEWICZ M. , KARPIUK J. 
Published: May 2016

AbstractThe lithium and europium(III) complexes (IV) and (VI) of the macrobicyclic ligand L are prepared.
ChemInform Abstract: Sterically Hindered Organometallics. Synthesis of Four‐Membered Rings Containing Tin, Oxygen, and Sulfur. The Crystal Structure of 2,2,4,4‐Tetrakis(2,4,6‐triisopropylphenyl)‐1,3,2,4‐oxathiadistannetane.
Authors: BROWN P. , MAHON M. , MOLLOY K. C. 
Published: May 2016

AbstractThe tetraaryldibromodistannane (I) reacts with an excess of sodium sulfide nonahydrate (II) to yield the 1,3,2,4‐oxathiadistannetane (III).
ChemInform Abstract: Oxygenation of 2,4‐Dibromoestrogens with Nitric Acid: A New Synthesis of 19‐Norsteroids.
Authors: NUMAZAWA M. , HOSHI K. , KIMURA K. 
Published: May 2016

AbstractDehydrogenation of the 2,4‐dibromoestrogen (I) with nitric acid produce 2,4‐dibromo‐10β‐hydroxy‐1,4‐estradiene‐3,17‐dione (II) which is catalytically hydrogenated to give the hydroxyestranedione (III).
ChemInform Abstract: Synthesis of Derivatives of (1R*,10aR*)‐1‐Azido‐10‐benzylidene‐4‐(diethylphosphono)‐1,2,10,10a‐tetrahydro‐2‐oxo‐4H‐azeto(1,2‐a)pyrido(1,2‐d)pyrazin‐9‐ylium Bromide.
Authors: HAKIMELAHI G. H. , SARDARIAN A. R. 
Published: May 2016

AbstractIn a search for analogues of penicillins and cephalosporins the β‐lactams (V) and (VI) are prepared.
ChemInform Abstract: Structural Identification of the New Magnetic Phases Fe3Ga2‐xAsx.
Authors: GREAVES C. , DEVLIN E. J. , SMITH N. A. , HARRIS I. R. , COCKAYNE B. , MACEWAN W. R. 
Published: May 2016

AbstractThe structure of Fe3Ga2‐xAsx alloys with compositions in the range 0.21 ≦ x ≦ 1.125 is studied by XRD and Moessbauer spectroscopy.
ChemInform Abstract: Synthesis and Physico‐Chemical Investigations of the Heteropoly Complex Na10(Cu3(SeW9O33)2(H2O)2)·23 H2O.
Authors: GUTSUL T. D. , ZHERU P. I. , BOTSAN I. G. , NANTOI O. G. 
Published: May 2016

AbstractThe hitherto unknown title complex is prepared from Na2WO4·2 H2O, Na2SeO3 and Cu(NO3)2·6 H2O in slightly acidic (pH 5.2) aqueous solution.
ChemInform Abstract: Structural and Charge Transport Properties of Bis((5,10,15,20‐tetramethylporphyrinato)nickel(II)) Perrhenate, (Ni(tmp))2(ReO4).
Authors: NEWCOMB T. P. , GODFREY M. R. , HOFFMAN B. M. , IBERS J. A. 
Published: May 2016

AbstractElectrochemical oxidation of tetramethylporphyrinatonickel(II) in the presence of the perrhenate ion affords the title compound (P4/n, Z=2), a new molecular conductor, which is composed of planar molecules of the Ni complex stacked metal‐over‐metal.
ChemInform Abstract: Condensation of Aniline with 3‐Chloro‐2‐chloromethylpropene.
Authors: LUKIN S. S. , LEVASHOVA B. I. , BUNINA‐KRIVORUKOVA L. I. , ZLOTSKII S. S. 
Published: May 2016

AbstractThe condensation affords the products (III)‐(V).
ChemInform Abstract: An Improved Method for the Efficient Conversion of Unsaturated Alcohols, Ethers, and Esters to Their Corresponding Aldehydes, Ketones, Enol Ethers, and Enol Esters.
Authors: IRANPOOR N. , IMANIEH H. , FORBES E. J. 
Published: May 2016

AbstractThe unsaturated alcohols (I), (III), and (V) are treated with catalytic amounts of diiron nonacarbonyl in hot benzene to form the corresponding saturated carbonyl compounds (II), (IV), or (VI).
ChemInform Abstract: Successive Michael Reaction‐Sigmatropic Rearrangement of Polyquinones with Silyl Ketene Acetals.
Authors: ASO M. , HAYAKAWA K. , KANEMATSU K. 
Published: May 2016

AbstractMichael type reaction of the quinizarinequinone (I) and the naphthodiquinone (IX) with (trimethylsilyloxy)furan (II) or the O‐silylated ketene acetal (V) yields the adducts (III), (VI), and (X).
ChemInform Abstract: Chemistry of Novel Compounds with Multifunctional Carbon Structure. Part 5. Molecular Design of Versatile Building Blocks for Aliphatic Monofluoro Molecules by Manipulation of Multifunctional Carbon Structures.
Authors: TAKEUCHI Y. , NAGATA K. , KOIZUMI T. 
Published: May 2016

AbstractAlkylation of (benzenesulfonyl)nitromethane (Ia) or the related acetate (Ib) with the alkyl halides (II) produces the alkyl derivatives (III) which are fluorinated with potassium fluoride/perchloryl fluoride to give the 1‐fluoro‐1‐phenylsulfonyl derivatives (IV).
ChemInform Abstract: ω‐Azidoalkylidenetriphenylphosphoranes for the Stereospecific Synthesis of Z‐Olefins Bearing an ω‐Azido Group.
Authors: CHHEN A. , VAULTIER M. , CARRIE R. 
Published: May 2016

AbstractThe ω‐bromoalkylphosphonium bromides (I) react with sodium azide (II) to give the azidoalkylphosphonium bromides (III).
ChemInform Abstract: A Stereocontrolled Approach to Tri‐ and Tetrasubstituted Cyclohexanones.
Authors: ZORETIC P. A. , DICKERSON S. H. , YU B.‐C. , BIGGERS M. S. , CHAMBERS R. J. , BIGGERS C. K. , CASPAR M. L. 
Published: May 2016

AbstractThe 4‐methylcyclohexanone‐4‐carbaldehyde acetals (I) are alkylated with the butenylmagnesium bromide (II) in the presence of cuprous bromide dimethyl sulfide complex to form diastereomeric mixtures of the cyclohexanonecarbaldehyde (III).
ChemInform Abstract: Acid‐Catalyzed Rearrangement of Tetracyclo(6.3.0.04,11.05,9)undec‐6‐en‐2‐one.
Authors: IPAKTSCHI J. , HERBER J. , KALINOWSKI H.‐O. , AMME M. , BOESE R. 
Published: May 2016

AbstractThe reaction of the enone (I) with formic acid (II) is suggested to be initiated by a regioselective protonation, thus leading preferentially to (III) (space group P21/c with Z=4) by rearrangement.
ChemInform Abstract: Reductive Homocoupling of Benzal Bromides Catalyzed by Transition Metal Complex Under Phase Transfer Catalysis.
Authors: SHIM S. C. , DOH C. H. , PARK W. H. , LEE H. S. 
Published: May 2016

AbstractFurther benzal bromides besides (I) are studied showing only a small contribution of steric and electronic effects.
ChemInform Abstract: Studies on the Synthesis of the Indolo(2,3‐a)quinolizidine System.
Authors: RUBIRALTA M. , DIEZ A. , BOSCH J. , SOLANS X. 
Published: May 2016

AbstractCondensation of the indolecarbaldehyde (I) with the amino acetal (II) produces the imine (III) which is cyclized in a Mannich type reaction by treatment with Tos‐OH in boiling benzene to form the trans‐ethyl‐(indolyl)piperidone acetal (IV).
ChemInform Abstract: New Water‐soluble Macrobicyclic Cavities.
Authors: WALLON A. , PETER‐KATALINIC J. , WERNER U. , MUELLER W. M. + , VOEGTLE F. + 
Published: May 2016

AbstractThe title compounds (III), (VI), (Xb), and (XIb) bearing large endolipophilic cavities of different sizes and shapes are synthesized for the first time.
ChemInform Abstract: A Synthesis of 7,7‐Dimethyl‐6,8‐dioxabicyclo(3.2.1)octane. A Constituent of the Hop, Humulus lupulus.
Authors: COPP R. R. , MUNDY B. P. 
Published: May 2016

AbstractThe target compound (VI) has already been prepared from the acetyldihydropyran (IV) which is known as the cycloadduct of acrolein and methyl vinyl ketone.
ChemInform Abstract: An Unusual Cyclization Reaction in the Chemistry of Perchloroorganic Compounds of Silicon and Germanium. Synthesis and Crystal Structure of Perchloro(2,2′‐biphenylene)diphenyl‐silane and ‐germane.
Authors: FAJARI L. , JULIA L. , RIERA J. , MOLINS E. , MIRAVITLLES C. 
Published: May 2016

AbstractThe structures of both strained compounds (III) (for both space group P1, Z=2) are determined by X‐ray crystallography of their benzene solvates.
ChemInform Abstract: Synthesis and Characterization of the Thermally Stable Copolymer of Tetrakis(salicylaldehydato‐O,O′)zirconium(IV) and 3,3′‐Diaminobenzidine.
Authors: ARCHER R. D. , WANG B. 
Published: May 2016

AbstractA new soluble linear Schiff‐base coordination polymer (IV) is synthesized via the condensation of 3,3'‐diaminobenzidine (II) with tetrakis(salicylaldehydato)‐Zr(IV).
ChemInform Abstract: Synthesis of Cyclic Depsipeptides via Direct Amide Cyclization. Cyclic Depsipeptides with 12‐Ring Atoms and Alternating Sequence of α‐Hydroxy and α‐Amino Acids.
Authors: OBRECHT D. , HEIMGARTNER H. 
Published: May 2016

AbstractSeveral natural depsipeptides show antibiotic properties.
ChemInform Abstract: A Simplified Route to a Key Intermediate in the Synthesis of the Chinese Nootropic Agent Huperzine A.
Authors: KOZIKOWSKI A. P. , REDDY E. R. , MILLER C. P. 
Published: May 2016

AbstractUnder the optimized conditions shown in the scheme, the desired key intermediate (IV) for the synthesis of huperzine A (V) is directly available from the ketone (I) in a high yield.
ChemInform Abstract: Preparation of Optically Pure α‐Alkyl β‐Hydroxy Nitriles by the Bakers′ Yeast Reduction.
Authors: ITOH T. , FUKUDA T. , FUJISAWA T. 
Published: May 2016

AbstractIn contrast to the reduction of the keto nitrile (I) with bakers' yeast, the analogous reduction of the homologue (IV) proceeds with complete enantioselectivity.
ChemInform Abstract: Protonated Nitric Acid. Structure and Relative Stability of Isomeric H2NO+ 3 Ions in the Gas Phase.
Authors: CACACE F. , ATTINA M. , DE PETRIS G. , SPERANZA M. 
Published: May 2016

AbstractGaseous H2NO3+ ions are generated by direct protonation of HNO3 by H3+, H3O+ and CH5+ and by protonation of C2H5ONO2 followed by C2H4 loss.
ChemInform Abstract: X‐Ray Crystallographic Determination of Absolute Configurations and Conformations of Two Conformational Isomers of 1,2,3,4‐Dibenzo‐trans‐6,7‐dibromo‐1,3‐cyclooctadiene, a 2,2′‐Bridged Biphenyl.
Authors: BORECKA B. , CAMERON T. S. , LINDEN A. , RASHIDI‐RANJBAR P. , SANDSTROEM J. + 
Published: May 2016

AbstractDibromide (I) contains two stereogenic elements, the CHBr‐CHBr (R,R or S,S) and the biphenyl unit (R or S) and can consequently form two enantiomeric pairs of diastereomers which indeed are obtained in pure crystalline form.
ChemInform Abstract: Location of the Elusive Hydride Ligand in HRh(P(C6H5)3)4 via a Neutron Diffraction Analysis.
Authors: MCLEAN M. R. , STEVENS R. C. , BAU R. , KOETZLE T. F. 
Published: May 2016

AbstractThe title complex (I) (space group Pa3) contains the phosphine ligands in a geometry intermediate between tetrahedral and trigonal‐bipyramidal.
ChemInform Abstract: Control of Reactions with Tribromomethyl Anions/Dibromocarbene by the Nature of the Phase‐Transfer Catalyst.
Authors: DEHMLOW E. V. , WILKENLOH J. 
Published: May 2016

AbstractThe title reaction of (I) and CHBr3 leads to the product (III) of carbene addition and the products (IV) and (V) of substitution, (V) resulting only from (IV).
ChemInform Abstract: Electrophilic Olefin Heterocyclization in Organic Synthesis. Stereoselective Intramolecular Amidomercuration of γ‐Hydroxy‐δ,ε‐Unsaturated Urethanes.
Authors: TAKAHATA H. , TAJIMA M. , BANBA Y. , MOMOSE T. 
Published: May 2016

AbstractThe unsaturated hydroxy carbamates (I) are cyclized with mercuric acetate (II) to produce the pyrrolidines (III) which are converted into the mercuric bromides (V).
ChemInform Abstract: Chiral 2,2‐Disubstituted Cyclohexanones; Annulation via Claisen Rearrangement Products.
Authors: GRATTAN T. J. , WHITEHURST J. S. 
Published: May 2016

AbstractThe methyl enol ether (I) of 2‐methylcyclohexanone, which exists as a mixture of the 1‐methoxy‐2‐methyl‐ and 2‐methoxy‐3‐methylcyclohex‐1‐ene tautomers, reacts regiospecifically with the optically active forms of but‐3‐yn‐2‐ol (II) or but‐3‐en‐2‐ol (VII).
ChemInform Abstract: Ozonolyses of Olefins with Chloro Substituents in Vinylic Positions on Polyethylene.
Authors: GRIESBAUM K. , GREINERT R. 
Published: May 2016

AbstractThe ozonolysis of cycloolefins such as (I) possessing chloro substituents at the vinylic positions affords the ozonides (II), when the reaction is carried out on polyethylene.
ChemInform Abstract: Electrophilic β‐Bromination and Nucleophilic α‐Methoxylation of α,β‐Unsaturated Carbonyl Compounds.
Authors: FISCHER H. , KLIPPE M. , LERCHE H. , SEVERIN T. , WANNINGER G. 
Published: May 2016

AbstractA variety of carbonyl derivatives such as the semicarbazones (I) or the oximes (IV) react with Br2 to give the β‐brominated products (II) or (V).
ChemInform Abstract: Synthesis of Some Derivatives of Di‐ and Triols with a Vinyl Moiety.
Authors: MIKHANT'EV V. B. , MIKHANT'EVA O. N. 
Published: May 2016

AbstractIn the presence of KOH the reactions between the ethers (I) (8 examples) or (IV) (8 examples) and acetylene (II) afford the monovinyl derivatives (III) or the divinyl derivatives (V) along with minor amounts of the cyclic acetals (VI) respectively.
ChemInform Abstract: Reaction of Citral with Acetone Cyanohydrin and Diethylamine and Thermolysis of the Amino Nitrile Formed.
Authors: ZHDANKINA G. M. , KRYSHTAL' G. V. , SEREBRYAKOV E. P. , YANOVSKAYA L. A. 
Published: May 2016

AbstractThe aldehyde (I) reacts with acetone cyanohydrin (II) under exchange of the cyano group, yielding acetone and the cyanohydrin of (I) which is directly aminated to give the amino nitriles (IV).
ChemInform Abstract: Reactions of Polyfluoro‐2‐alkynoic Acids with 1,2‐Ethanedithiol.
Authors: YAMANAKA H. , MURAKAMI A. , KUWABARA M. , FUKUNISHI K. , NOMURA M. 
Published: May 2016

AbstractThe reaction of the fluoroalkynoic acids (I) with ethane‐1,2‐dithiol (II) is performed under various reaction conditions.
ChemInform Abstract: A Stepwise Synthesis of Functionalized Calix(4)arenes and a Calix(6)arene with Alternate Electron‐Withdrawing Substituents.
Authors: DE MENDOZA J. , NIETO P. M. , PRADOS P. , SANCHEZ C. 
Published: May 2016

AbstractThe title compounds (III) and (VI) are prepared in improved yields by a modified literature procedure.
ChemInform Abstract: Electronic Structure and Near‐IR Spectra of Diquinone Anion Radicals.
Authors: ALMLOEF J. E. + , FEYEREISEN M. W. , JOZEFIAK T. H. , MILLER L. L. 
Published: May 2016

AbstractFive new diquinones (Va), (Vb), (VI), (IX), and (XII) as well as four analogues are prepared.
ChemInform Abstract: Synthesis of Methyl 2,3‐Dihydro‐2‐benzofurancarboxylates from o‐Allylphenols via 2‐(Phenylthiomethyl)‐2,3‐dihydrobenzofurans.
Authors: YODO M. , HARADA H. 
Published: May 2016

AbstractO‐Allylation of the dichlorophenol (I) followed by rearrangement yields the allyldichlorophenol (III) which undergoes addition reaction with benzenesulfenyl chloride (IV) to form a mixture of the isomeric chloro thioethers (V) and (VI).
ChemInform Abstract: Novel, Diastereoselective Synthesis of 3‐Amino‐1‐alkanols.
Authors: OSZBACH G. , NESZMELYI A. 
Published: May 2016

AbstractThe reaction between the enamine (I) and benzaldehyde (II) proceeds under very mild conditions to yield the amino ketone (III), which is also accessible from a mixture of pyrrolidine, cyclohexanone and benzaldehyde.
ChemInform Abstract: Asymmetric Synthesis. Part 17. Facile Generation of a Chiral Azomethine Ylide via the CN(R,S) Method.
Authors: ROUDEN J. , ROYER J. , HUSSON H.‐P. 
Published: May 2016

AbstractThe oxazolidines (I) react with trimethylsilyl triflate (II) to form the iminium salts (III).
ChemInform Abstract: Reactions of Cyclic Anhydrides. Part 14. Facile Syntheses of Fused Heterocycles via Anilic Acids Pyridobenzoxazinones, Isoquinolinobenzoxazinones, and Isocoumarinoquinolines.
Authors: BALASUBRAMANIYAN V. , ARGADE N. P. 
Published: May 2016

AbstractThe o‐aminobenzaldehyde or o‐aminobenzoic acids (I) react with the homomaleic or homophthalic anhydrides (II) in refluxing benzene to produce the homomaleanilic acids (III).
ChemInform Abstract: Cyclocondensation of Oxoketene Dithioacetals with 3‐Aminopyrazoles: A Facile Highly Regioselective General Route to Substituted and Fused Pyrazolo(a)pyrimidines.
Authors: THOMAS A. , CHAKRABORTY M. , ILA H. , JUNJAPPA H. 
Published: May 2016

AbstractCyclocondensation of the aminopyrazole (I) with dithioacetals such as (II), (IV), or (VII) gives rise to title compounds such as (III), (V), or (VIII), (IX).