bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Lithiation of Heterocycles Directed by α‐Amino Alkoxides.
Authors: COMINS D. L. , KILLPACK M. O. 
Published: May 2016

AbstractThe aldehydes (I) and (IV), derived from five‐membered heterocycles with one heteroatom, are lithiated in the presence of amines and then quenched with methyl iodide to produce the methylated derivatives (II) and (III) or (V) and (VI).
ChemInform Abstract: Synthesis of Hydroxylated Pyrrolidine Derivatives as Potential Inhibitors of SAH/MTA Nucleosidase.
Authors: GUILLERM G. , VARKADOS M. , AUVIN S. , LE GOFFIC F. 
Published: May 2016

AbstractThe dihydroxyalkylthiomethylpyrrolidines (VIII) are synthesized from the dehydroproline derivative (I) by hydroxylation, isopropylidene acetal formation, followed by reduction, substitution reactions, and deprotection.
ChemInform Abstract: Reactions of Heterocyclic Cations with N‐Containing Nucleophiles. Part 15. Reaction of 2,6‐Diphenylpyrylium Perchlorate with Semi‐ and Thiosemicarbazides.
Authors: ZVEZDINA E. A. , ZHDANOVA M. P. , ANISIMOVA O. S. , NECHAYUK I. I. 
Published: May 2016

AbstractThe pyrylium salt (I) reacts with the semicarbazides (II) to give the pyrazolines (III) which are transformed into the acetyl derivatives (IV) and the dinitrophenylhydrazones (V).
ChemInform Abstract: Synthesis and Structure‐Activity Relationships of a Series of Aminopyridazine Derivatives of γ‐Aminobutyric Acid Acting as Selective GABA‐A Antagonists.
Authors: WERMUTH C.‐G. , BOURGUIGNON J.‐J. , SCHLEWER G. , GIES J.‐P. , SCHOENFELDER A. , MELIKIAN A. , BOUCHET M.‐J. , CHANTREUX D. , MOLIMARD J.‐C. , HEAULME M. , CHAMBON J.‐P. , BIZIERE K. 
Published: May 2016

AbstractAminopyridazinium halides such as (VI) are prepared from the chloropyridazines (I) and their GABA receptor affinities are tested.
ChemInform Abstract: Synthesis of a Hydroxy Dihydrofuran Acetal Related to Azadirachtin: A Potent Insect Antifeedant.
Authors: LEY S. V. , SANTAFIANOS D. , BLANEY W. M. , SIMMONDS M. S. J. 
Published: May 2016

AbstractAzadirachtin (I) is one of a number of insect antifeedants isolated from the neem tree Azadirachta indica.
ChemInform Abstract: P‐Aryl‐bis(imino)phosphoranes, a New Type of Stable Metaphosphonic Acid Derivatives.
Authors: RUBAN A. V. , DRAPAILO A. B. , ROMANENKO V. D. , MARKOVSKII L. N. 
Published: May 2016

AbstractThe compounds (III) mentioned in the title are obtained from the iminophosphine (I) and the silylamine (II).
ChemInform Abstract: Substituted Methylphosphonium Salts with an Imidoyl Chloride Group.
Authors: SMOLII O. B. , BROVARETS V. S. , DRACH B. S. 
Published: May 2016

AbstractThe phosphonium salts (III), obtained from the amide (I) and triphenylphosphine (II), react with phosphorus pentachloride to yield the imidoyl chlorides (IV).
ChemInform Abstract: Copper(II) Complexes of 2‐Dimethylamino‐3‐picoline N‐Oxide (3MDM) and 2‐Diethylamino‐3‐picoline N‐Oxide (3MDE).
Authors: WEST D. X. , NIPP C. A. 
Published: May 2016

AbstractBoth ligands are prepared by amination of 2‐chloro‐3‐picoline N‐oxide at 140 °C. They react in anhydrous ethanol with different copper(II) salts to yield the complexes (I)‐(III) (no yields given).
ChemInform Abstract: Fused Heterocycles with a Thiazole Ring. Part 12. Derivatives of Thiadiazolo(3,4‐b)(1,2,4)triazine.
Authors: KACHKOVSKII A. D. , KOVTUN YU. P. , ROMANOV N. N. 
Published: May 2016

AbstractThe zeromethine (III) and monomethine dyes (V) are synthesized from the thiazolotriazines (I) and the rhodanine (II) or the benzothiazolium salt (IV) respectively.
ChemInform Abstract: Synthesis and Evaluation of Mono‐, Di‐, and Trifluoroethenyl‐GABA Derivatives as GABA‐T Inhibitors.
Authors: KOLB M. , BARTH J. , HEYDT J.‐G. , JUNG M. J. 
Published: May 2016

AbstractThe fluorinated analogues (VII), (VIII), and (XIV) of vinyl‐GABA (I) are prepared from the vinyl lactam (II) or 4‐bromobutene (IX) as shown in the reaction scheme.
ChemInform Abstract: Stereoselective Synthesis of Cembranolide Precursors via Macrocyclization of α‐Alkoxyallylstannane Aldehydes.
Authors: MARSHALL J. A. , DEHOFF B. S. , CROOKS S. L. 
Published: May 2016

AbstractThe propargylic aldehyde (I) reacts with the stannyl derivative (II) on heating or in the presence of BF3 at low temperatures, yielding the stereoisomeric adducts (III).
ChemInform Abstract: 1H NMR Single Crystal Studies of Metal‐Ammonia Intercalation Compounds in Layered Chalcogenides
Authors: WEIN E. , MUELLER‐WARMUTH W. + , SCHOELLHORN R. + 
Published: May 2016

Abstract(Lix(NH3)y(MoS2) and Nax(NH3)y(MoS2)).
ChemInform Abstract: NMR Studies of Hydrogen Containing Intercalation Compounds of h‐WO3.
Authors: MOELLER H. + , MUELLER‐WARMUTH W. + , RUESCHENDORF F. + , SCHOELLHORN R. + 
Published: May 2016

AbstractIntercalation compounds of hexagonal WO3 with H+, H2, H2O, NH3 and NH4+ have been investigated by 1H NMR.
ChemInform Abstract: Light‐induced Hydrogen Formation and Photo‐uptake of Oxygen in Colloidal Suspensions of α‐Fe2O3.
Authors: KIWI J. , GRAETZEL M. + 
Published: May 2016

AbstractH2 evolution and O2 reduction have been investigated (by means of a solar simulator) for α‐Fe2O3 powders and colloids as a function of electrolyte pH.
ChemInform Abstract: Corrosion Processes in Quantized Semiconductor Colloids Studied by Pulse Radiolysis.
Authors: NENADOVIC M. T. , NEDELJKOVIC J. M. , MICIC O. I. 
Published: May 2016

AbstractElectron transfer processes of PbSe colloids with diameters < 5 nm have been investigated in solutions containing different electron donors.
ChemInform Abstract: Useful and Easily Prepared Chiral Stationary Phases for the Direct Chromatographic Separation of the Enantiomers of a Variety of Derivatized Amines, Amino Acids, Alcohols, and Related Compounds.
Authors: PIRKLE W. H. , POCHAPSKY T. C. , MAHLER G. S. , COREY D. E. , RENO D. S. , ALESSI D. M. 
Published: May 2016

AbstractChiral stationary phases are prepared by attaching the undecenyl esters (I) of optically active amino acids to silica gel via a hydrosilylation reaction with HSiCl3, subsequent ethanolysis, and condensation with silica.
ChemInform Abstract: Diels‐Alder Reactions of Cycloalkenones. Part 11. Regioselectivity of 2‐Cyclohexenones.
Authors: ANGELL E. C. , FRINGUELLI F. , MINUTI L. , PIZZO F. , TATICCHI A. , WENKERT E. 
Published: May 2016

AbstractThe stereochemistry of the Diels‐Alder reaction of the cyclohexenones (I) with the dienes (II) is investigated.
ChemInform Abstract: Lewis Acid Mediated Claisen‐Type Rearrangement of Aryl Dienyl Ethers.
Authors: MARUYAMA K. , NAGAI N. , NARUTA Y. 
Published: May 2016

AbstractThe 2,4‐pentadienyl aryl ethers (Ia) ‐ (Ic), (V), and (VII) undergo a Claisen‐type rearrangement in the presence of boron trifluoride etherate, yielding the 2‐ or 4‐alkenylphenols (II) ‐ (IV), (VI), and (VIII) depending on the substitution pattern.
ChemInform Abstract: Arene Hydrides. Part 3. Selective 1,4‐Reduction of Chalcone with Anthracene Hydride via Base‐Induced Fragmentation of Their Michael Adduct.
Authors: STAMM H. , SOMMER A. , ONISTSCHENKO A. , WODERER A. 
Published: May 2016

AbstractThe anion (Ib) formed from dihydroanthracene (Ia), so‐called "anthracene hydride", reacts with chalcone (II) to form the Michael adduct (III), together with the dimer (IV).
ChemInform Abstract: Polyaza Heterocycles. Part 1. Halogenation of Quinoxalino(2,3‐c)cinnolines by Hydrogen Halides.
Authors: GLIDEWELL C. , SHEPHERD T. , SMITH D. M. 
Published: May 2016

AbstractReaction of the title compounds (I) with gaseous HCl affords the 10‐chloro compounds (II) in high yields.
ChemInform Abstract: Reagents and Synthetic Methods. Part 61. Reaction of Hindered Trialkylsilyl Esters and Trialkylsilyl Ethers with Triphenylphosphine Dibromide: Preparation of Carboxylic Acid Bromides and Alkyl Bromides Under Mild Neutral Conditions.
Authors: AIZPURUA J. M. , COSSIO F. P. , PALOMO C. 
Published: May 2016

AbstractReaction of the silyl esters (I) with triphenylphosphine dibromide gives the acyl bromides (II), together with the silyl bromides (III).
ChemInform Abstract: Auxiliary Structure and Asymmetric Induction in the Ene Reactions of Chiral Glyoxylates.
Authors: WHITESELL J. K. , LAWRENCE R. M. , CHEN H.‐H. 
Published: May 2016

AbstractThe influence of the optically active auxiliary group on the ene reaction of hexene (II) with the glyoxylates (I) is studied.
ChemInform Abstract: Formation of Cyclized, Including 3,5‐Cyclosteroid, Alkenes from β,γ‐Unsaturated Grignard Reagents Induced by Elimination of a δ‐Alkoxy Group.
Authors: FISCHER P. M. , HOWDEN M. E. H. 
Published: May 2016

AbstractIsomeric mixtures of the chlorides (I) and (V) are prepared starting from cholesterol and cyclopropyl phenyl ketone, respectively.
ChemInform Abstract: Diastereoselective Addition of Crotylboronates to Oximes.
Authors: HOFFMANN R. W. , ENDESFELDER A. 
Published: May 2016

AbstractThe title oximes (I) react with the E‐crotylboronates (II) to give the anti‐hydroxylamines (IVb) as major products while the Z‐crotylboronates (III) predominantly form the syn‐compounds (IVa).
ChemInform Abstract: Synthesis of 7,12‐Dimethylbenz(a)anthracene and Its 1,2,3,4‐Tetrahydro Derivative.
Authors: HARVEY R. G. , CORTEZ C. 
Published: May 2016

AbstractThe hexahydrobenzanthracene (I) is oxidized to give the quinone (II) which is converted to the dimethyltetrahydro derivative (IV) by reaction with methyllithium and subsequent treatment with the titanium complex (III).
ChemInform Abstract: Heterocycles from α‐Nitroolefins. Part 12. 3‐Acetyl‐4,5‐dihydro‐5‐(methylenamino)furans and 3‐Acylpyrroles from α‐Nitroolefins and β‐Diketones.
Authors: BOBERG F. , GARBURG K.‐H. , GOERLICH K.‐J. + , PIPEREIT E. , REDELFS E. , RUHR M. 
Published: May 2016

AbstractThe α‐nitroolefins (I) react with the 1,3‐diketones (II) in the presence of bases, yielding the dihydrofurans (IV).
ChemInform Abstract: Asymmetric Diels‐Alder Reactions of Cyclopentadiene with N‐Crotonoyland N‐Acryloyl‐4,4‐dimethyl‐1,3‐oxazolidin‐2‐one, Mediated by Chiral Lewis Acids.
Authors: CHAPUIS C. , JURCZAK J. 
Published: May 2016

AbstractThe one‐pot Diels‐Alder reactions of cyclopentadiene (VII) with the dienophiles (VI) mediated by various Lewis acids are described.
ChemInform Abstract: 2,1‐Benzisothiazoline 2,2‐Dioxide and Derivatives.
Authors: CHIARINO D. , CONTRI A. M. 
Published: May 2016

AbstractThe title compound (II) is prepared either from the o‐chlorobenzylsulfonamide (I) or from the o‐aminobenzylsulfonate (III) by ring closure.
ChemInform Abstract: A Convenient Preparation of 1,4‐Dihydro‐1‐methyl‐4‐oxo‐2‐quinolinecarboxaldehyde from N‐Methylisatoic Anhydride.
Authors: COPPOLA G. M. 
Published: May 2016

AbstractThe dianion of hydroxyacetone (II) reacts rapidly with N‐methylisatoic anhydride (I), yielding the hydroxymethylquinolinone (III) which is oxidized to form the aldehyde (IV) mentioned in the title.
ChemInform Abstract: Syntheses of Condensed Polycyclic Azonia Aromatic Compounds by Photocyclization.
Authors: ARAI S. , TAKEUCHI TSUNEO , ISHIKAWA M. , TAKEUCHI TATSUO , YAMAZAKI M. , HIDA M. 
Published: May 2016

AbstractThe stilbene‐type photocyclization of (I) or (III) affords the new title compounds (II) or (IV).
ChemInform Abstract: o‐Nitrobenzylidene Compounds. Part 3. Formation of 4‐Arylamino‐3‐methoxycinnoline 1‐Oxides from N‐o‐Nitrobenzylideneanilines, Cyanide Ion, and Methanol: the Intermediacy of 2‐Aryl‐3‐cyano‐2H‐indazole 1‐Oxides.
Authors: JOHNSTON D. , SMITH D. M. , SHEPHERD T. , THOMPSON D. 
Published: May 2016

AbstractCyclization of the nitrobenzylideneanilines (I) with KCN gives the cinnoline oxides (II) and the indazoles (III); the former are obtained as main products when the amine‐derived ring is ortho‐substituted.
ChemInform Abstract: Acyclopyrimidine C‐Nucleosides: Synthesis of 5‐((2,3‐Dihydroxy‐1‐propoxy)methyl)pyrimidines.
Authors: CHU C. K. , SUH J. 
Published: May 2016

Abstract5‐(Hydroxymethyl)uracil (I) is coupled with glycerol (II) to form the ether (III) which is converted to the N‐methyl derivatives (IV) and (V).
ChemInform Abstract: Reduction and Stereochemical Studies Through NMR and X‐Ray Techniques of Indolo(2,1‐b)quinazolines.
Authors: BERGMAN J. , TILSTAM U. , TOERNROOS K.‐W. + 
Published: May 2016

AbstractTryptanthrin (I) is an active constituent of Strobilanthes cusia, a remedy used against dermatophytic infections.
ChemInform Abstract: Convenient Synthesis of Substituted 3‐Aminothiophene‐2‐carbonitriles from α‐Acetylenic Nitriles and Their Conversions to Thieno(3,2‐d)pyrimidines.
Authors: REN W.‐Y. , RAO K. V. B. , KLEIN R. S. 
Published: May 2016

AbstractThe alkynylnitriles (I) are converted to the 2‐cyano‐3‐aminothiophenes (IV).
ChemInform Abstract: Synthesis and Reactions of a 2H‐Pyrrolo(3,4‐b)pyridine and of a 2H‐Pyrrolo(3,4‐b)pyrazine.
Authors: TROLL T. , SCHMID K. 
Published: May 2016

AbstractElectrochemical reduction of the N‐phenylpyridine‐2,3‐dicarboxylic imide (I) in the presence of trimethylchlorosilane yields the stable intermediate (II) which undergoes cycloaddition reaction with dimethyl fumarate (III) to give the quinoline derivative (IV).
ChemInform Abstract: Synthesis and Resolution of 3‐Substituted Morpholine Appetite Suppressants and Chiral Synthesis via O‐Arylhomoserines.
Authors: BROWN G. R. , FOUBISTER A. J. , STRIBLING D. 
Published: May 2016

AbstractThe amino acids (I) undergo protection of the amino group to give the benzylamines (III), which are converted to the protected morpholines (VII) (the yields are only given for the case (IIIa) → (VIIa)).
ChemInform Abstract: Transformation of Pyrazolo(4,3‐c)isothiazoles into 3,4‐Disubstituted 1,2‐Isothiazoles.
Authors: UEDA T. , SHIBATA Y. , SAKAKIBARA J. 
Published: May 2016

Abstract4‐Aminoantipyrine (I) reacts with thionyl chloride, producing a mixture of the cyclization products (II) ‐ (IV) and the imine (V).
ChemInform Abstract: Studies of Phosphazenes. Part 30. Reactions of Hexachlorocyclotriphosphazene with Aromatic Primary Amines: Interplay of Geminal and Non‐Geminal Modes of Chlorine Replacement.
Authors: GANAPATHIAPPAN S. , KRISHNAMURTHY S. S. 
Published: May 2016

AbstractThe title reactions yield the derivatives (III)‐(XII) (products and yields are given in a table).
ChemInform Abstract: Alkyne Ligands as Two‐Electron Donors in Octahedral d6 Tungsten(0) Complexes: fac‐W(CO)3(dppe)(η2‐HCCR) and W(CO)2(dppe)(DMAC)2.
Authors: BIRDWHISTELL K. R. , TONKER T. L. , TEMPLETON J. L. 
Published: May 2016

AbstractSubstitution of acetone in the fac‐W(0) complex (I) by the terminal alkynes (II) leads to the alkyne adducts (III).
ChemInform Abstract: Clusters Containing Carbene Ligands. Part 1. Novel Transformations of Carbene Ligands at Multinuclear Metal Sites. α‐Activation of C‐H and S‐C Bonds in Carbene Containing Thiolatotriosmium Carbonyl Cluster Compounds.
Authors: ADAMS R. D. , BABIN J. E. , KIM H.‐S. 
Published: May 2016

AbstractTreatment of the (arenethiolato)triosmium clusters (I) with the diamines (II) yields via CO substitution the (dialkylamino)carbene derivatives (III).
ChemInform Abstract: Microbial Transformations of Sesquiterpenoids: Conversion of Deoxyvulgarin by Rhizopus nigricans and Aspergillus ochraceous.
Authors: ARIAS J. M. , BRETON J. L. , GAVIN J. A. , GARCIA‐GRANADOS A. , MARTINEZ A. , ONORATO M. E. 
Published: May 2016

AbstractMicrobial transformation of the title compound (I) yields the hydroxylated metabolites (II)‐(V).
ChemInform Abstract: A Stereospecific Tandem Wagner‐Meerwein Rearrangement in the Solvolysis of 19‐Mesyloxy Steroids.
Authors: KOCOVSKY P. , TURECEK F. , LANGER V. , PODLAHOVA J. , PODLAHA J. 
Published: May 2016

AbstractThe epoxide (I) is converted to the mesylate (II).
ChemInform Abstract: Synthetic Studies on Gangliosides. Part 2. Functionalization of 2‐Deoxy‐2,3‐dehydro‐N‐acetylneuraminic Acid Methyl Ester.
Authors: OKAMOTO K. , KONDO T. , GOTO T. 
Published: May 2016

AbstractThe olefinic derivative (II) formed from the pentaacetylated neuraminic acid ester (I) is converted to new glycosyl donors such as (III)‐(XIII): The bromination product (III) is exclusively formed, whereas the isomers (IV) + (V) are obtained in varying amounts depending on the conditions used ((A), (B), (C)/NBS).
ChemInform Abstract: Mono‐ and Dioxetanes of 2,5‐Anhydroalditols, Syntheses and Reactions.
Authors: KOELL P. + , OELTING M. 
Published: May 2016

AbstractThe tosylates (Ib) (from (Ia)), (Ic), or (Id) give the mono oxetanes (IIa), (IIb), or (IIc) on treatment with Na‐methylate; use of an excess of methylate produces the dioxetane (III) exclusively.
ChemInform Abstract: Regioselective Methylation of Methyl α‐L‐Fucopyranoside with Diazomethane in the Presence of Tin(II) Chloride.
Authors: TOMAN R. , ROSIK J. , ALFOELDI J. + 
Published: May 2016

AbstractRegioselective methylation of the fucoside (I) is achieved by complexation of the cis‐3,4‐diol system with tin(II) chloride.
ChemInform Abstract: Synthesis of 2‐(β‐D‐Ribofuranosyl)(1,3,5)triazines.
Authors: RILEY T. A. , HENNEN W. J. , DALLEY N. K. , WILSON B. E. , ROBINS R. K. 
Published: May 2016

AbstractThe D‐allonamidine hydrochloride (I) reacts with the cyaniminodithiocarbonate (II) to produce the methylthiotriazine (III) which is oxidized, forming the sulfoxide (IV).
ChemInform Abstract: Insect Growth Regulators. Part 20. Synthesis of Cyclic Analogues of Juvenile Hormone‐III.
Authors: WAWRZENCZYK C. , ZABZA A. 
Published: May 2016

AbstractThe racemic title analogues (XIV) are prepared by a multi‐step synthesis starting from racemic α‐terpineol (I) via the key intermediate (IV) which is obtained as a mixture of cis and trans isomers.
ChemInform Abstract: Synthesis and X‐Ray Characterization of 6(S)‐epi‐Mevinolin, a Lactone Epimer.
Authors: STOKKER G. E. , ROONEY C. S. , WIGGINS J. M. , HIRSHFIELD J. 
Published: May 2016

AbstractThe silyl derivative (Ib) of mevinolin (Ia) reacts with benzylamine (II) to give the ring‐opened intermediate (III) which yields the 6(S)‐ epimer (IVb) of (Ia) upon recyclization with mesyl chloride and triethylamine and subsequent desilylation.
ChemInform Abstract: Crystal Structures of Two Heteropolytungstate Salts Containing Anions Derived from α‐Octadecatungstodiphosphate(6‐): (NH4)10(α2‐P2W17O61)·8 H2O (I) and (Me2NH2)8(α2‐P2Co(H2O)W17O61)·11 H2O (II).
Authors: WEAKLEY T. J. R. 
Published: May 2016

AbstractThe anions in (I) and (II) (prepared as described previously) both have the (α‐P2W18O62)6‐ structure.
ChemInform Abstract: Thermal Decomposition and Chemism of Hydronium Jarosite.
Authors: HARTMAN M. , VESELY V. , JAKUBEC K. 
Published: May 2016

AbstractThe TGA curve of the title compound, H3OFe3(SO4)2(OH)6, exhibits two large waves, one in the range 325‐415 °C corresponding to the release of H2O, and a second wave in the range 570‐720 °C corresponding to the release of SO2 and SO3.
ChemInform Abstract: Collisional Decomposition of Bromine Azide.
Authors: HENSHAW T. L. , DAVID S. J. , MACDONALD M. A. , GILBERT J. V. , STEDMAN D. H. , COOMBE R. D. 
Published: May 2016

AbstractResults of different discharge‐flow experiments indicate a chain mechanism for the decomposition of gaseous BrN3 in which Br and N atoms, azide radicals, and electronically excited metastable N2 are the principal intermediates.
ChemInform Abstract: The Microstructure of Selective Palladium Hydrogenation Catalysts Supported on Calcium Carbonate and Modified by Lead (Lindlar Catalysts), Studied by Photoelectron Spectroscopy, Thermogravimetry, X‐Ray Diffraction, and Electron Microscopy.
Authors: SCHLOEGL R. + , NOACK K. , ZBINDEN H. , RELLER A. 
Published: May 2016

AbstractThe detailed analysis of the Pd + Pb/CaCO3 system reveals the presence of seven distinct chemical phases, e.g. solid solutions of hydrogen and oxygen in Pd.
ChemInform Abstract: Comparative Study on the Dispersion and Carrier‐Catalyst Interaction of Molybdenum Oxides Supported on Various Oxides by Electron Spectroscopy for Chemical Analysis.
Authors: NAG N. K. 
Published: May 2016

AbstractThe Mo3d5/2 binding energy and full width at half‐maximum data indicate that Mo is highly dispersed on γ‐Al2O3 and that there is some electron transfer from the support to Mo at low loading, which is not observed at high Mo loading.
ChemInform Abstract: “Two‐Electron Reduction” of Phosphane‐Substituted Tricobalt Clusters ‐ Evidence for a 17‐Electron Intermediate in the Dissociative ETC Ligand Substitution.
Authors: HINKELMANN K. , MAHLENDORF F. , HEINZE J. , SCHACHT H.‐T. , FIELD J. S. , VAHRENKAMP H. 
Published: May 2016

AbstractReduction and ligand elimination result in reversible transformation of the μ3‐alkylidyne complex (I) into the 17‐electron species (II)·‐.
ChemInform Abstract: Cobalt‐Mediated (2 + 2 + 2)Cycloadditions of Alkynes to the Pyrrole 2,3‐Double Bond: A Novel Construction of Fused Dihydroindoles.
Authors: SHEPPARD G. S. , VOLLHARDT K. P. C. 
Published: May 2016

AbstractThe N‐alkynyl or alkynoyl pyrroles (IIIa) ‐ (IIIc) undergo cyclization with the acetylenes (IV) or (IX) in the presence of the coppercarbonyl cyclopentadienyl complex (V), yielding the fused indoles (VI) and (VII) or (X) and (XI).
ChemInform Abstract: Electron Transfer Reactions in Organic Chemistry. Part 11. The Reaction Between Carbon Tetrabromide and the Cage Complex (Co(II)sepulchrate)2+. A Kinetic and Product Study.
Authors: EBERSON L. , EKSTROEM M. + 
Published: May 2016

AbstractIn order to study the nature of the reduction of the carbon‐halogen bond, the title reaction is performed using the metal complex (I) as an outer‐sphere electron‐transfer reagent.
ChemInform Abstract: Palladium‐Catalyzed Reaction of 1,3‐Diene Monoepoxides with β‐Keto Acids. Allylic Alkylation and Isomerization of 1,3‐Diene Monoepoxides.
Authors: TSUDA T. , TOKAI M. , ISHIDA T. , SAEGUSA T. 
Published: May 2016

AbstractThe Pd(0)‐catalyzed coupling of the β‐ketoacids (Ia), (Ic), and (Id) with the vinylic epoxides (II) yields the unsaturated ketoalcohols (III).
ChemInform Abstract: Rapid‐Injection NMR Investigation of the Reactivity of α‐ and β‐Alkoxy Ketones with Dimethylmagnesium: Kinetic Evidence for Chelation.
Authors: FRYE S. V. , ELIEL E. L. , CLOUX R. 
Published: May 2016

AbstractPreliminary results of a rapid‐injection NMR investigation of the reaction of MgMe2 with α‐ (I) and β‐alkoxyketones (II) as direct evidence for the role of chelation in the transition state of this reaction are reported.
ChemInform Abstract: Formation of Acid‐Catalyzed Dehydration Products from Xyloisosaccharinic Acid.
Authors: ALEN R. 
Published: May 2016

AbstractTreatment of the title compound (D,L‐3‐deoxy‐2‐C‐hydroxymethyltetronic acid) with 6.05 M or 11.5 M H2SO4 at 150 °C yields the products (I) (ca.
ChemInform Abstract: Reaction of Atomically Clean Aluminum and Chemically Modified Aluminum with Alkyl Halides.
Authors: CHEN J. G. , BEEBE T. P. JUN. , CROWELL J. E. , YATES J. T. JUN. 
Published: May 2016

AbstractUsing high‐resolution electron energy loss spectroscopy (EELS), Auger electron spectroscopy (AES), and temp.‐programmed desorption it has been determined that MeI adsorbs on Al(111) both molecularly and dissociatively at 150 K; adsorbed MeI decomposes to CH(a) and I(a) in the temp. range of 250‐450 K. No surface reaction of MeCl or MeBr with clean or chemically modified Al(111) is observed, and areactive sticking coefficient of < 10‐5 is estimated in the temp. range of 135‐500 K (MeCl) and at 150 K (MeBr).
ChemInform Abstract: 2‐Chloro‐1‐(chloromethyl)ethyl Methoxymethyl Ether as a Reagent for Acetonylation of Alcohols and Phenol.
Authors: GU X.‐P. , IKEDA I. , KOMADA S. , MASUYAMA A. , OKAHARA M. 
Published: May 2016

AbstractThe ether (II) mentioned in the title is employed as a reagent for the conversion of alcohols such as (I) to the acetonyl ethers (III).
ChemInform Abstract: Syntheses with Unsaturated Nitriles. Part 6. Radical and Electrophilic Bromination of Ylidenemalononitrile Dimers.
Authors: MOKROSZ M. J. 
Published: May 2016

AbstractBromination of the compounds (I), (V) or (VIII) with NBS yields the monosubstituted derivatives (IIa) and (IIb), (VIa) or (IXa) whereas the reaction with Br2 is more complex.