bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Kinetic Role of the Alkaloid Ligands in Asymmetric Catalytic Dihydroxylation.
Authors: JACOBSEN E. N. , MARKO I. , FRANCE M. B. , SVENDSEN J. S. , SHARPLESS K. B. 
Published: May 2016

AbstractSpecific aspects of the mechanism of the OsO4‐catalyzed olefin dihydroxylation are studied kinetically using nine olefins, the amine co‐catalysts dihydroquinine derivative (I), quinuclidine, and the dihydroquinidine ester derivative analogous to (I), and varying amounts of NMO.
ChemInform Abstract: UV Laser Photochemistry of Azoalkanes: Surprising Effects of Phenyl Substitution on the Lifetimes of 1,3‐Cyclopentanediyl and 1,4‐Cyclohexanediyl Triplet Diradicals.
Authors: ADAM W. , GRABOWSKI S. , PLATSCH H. , HANNEMANN K. , WIRZ J. , WILSON R. M. 
Published: May 2016

AbstractThe direct and semitized (Ph2CO) photolysis of azoalkanes (I) leads to biradicals 3(II).
ChemInform Abstract: Oligo‐Methylenation of Phenylallene by Diazomethane in the Presence of Palladium Diacetate.
Authors: LUKIN K. A. , ZEFIROV N. S. 
Published: May 2016

AbstractIn the presence of Pd(OAc)2 the reaction between phenylallene (I) and diazomethane (II) yields the expected benzylidenecyclopropane (III) as the main product along with minor amounts of the hydrocarbons (IV)‐(X), which are produced by oligo‐methylenation, i.e. by insertion of three or four methylene units into the allene moiety of (I).
ChemInform Abstract: High‐Temperature Reaction of ortho‐Substituted Thiophenols with Acetylene.
Authors: RUSSAVSKAYA N. V. , SUKHOMAZOVA E. N. , KORCHEVIN N. A. , DERYAGINA E. N. , VORONKOV M. G. 
Published: May 2016

AbstractHigh‐temp. reactions between the o‐fluorosubstituted thiophenol (I) or the o‐methylsubstituted thiophenol (IV) and acetylene (II) are conducted in a quartz reactor.
ChemInform Abstract: Formation of 2‐(2‐Furoyl)‐4(5)‐(2‐furyl)‐1H‐imidazole in the Maillard Reaction.
Authors: HUBER B. , LEDL F. , SEVERIN T. , STANGL A. , PFLEIDERER G. 
Published: May 2016

AbstractThe furylglyoxal (I) undergo cyclocondensation with propylamine (II) and ammonia (III) to give a mixture of the imidazoles (IV) ‐ (VI) which are separated by column chromatography.
ChemInform Abstract: The Synthesis of the δ‐Lactone Portion of the Mevinic Acids. A New Non‐Acidic Method of Cyclic Lactone Expansion.
Authors: DAVIDSON A. H. , FLOYD C. D. , LEWIS C. N. , MYERS P. L. 
Published: May 2016

AbstractThe readily available chiral lactone (I) is transformed into the vinylic phenyl sulfide (II) which is cyclized upon methoxymercuration and reduction, producing the tetrahydropyran (IV).
ChemInform Abstract: Formylation and Aminoalkylation of 2,4‐Diaryl‐4H‐chromenes.
Authors: KOBLIK A. V. , SUZDALEV K. F. 
Published: May 2016

AbstractUnder the conditions of the Vilsmeier reaction the title compounds (I) afford the 3‐formyl derivatives (III) instead of the expected pyrylium salts, which would result from dehydrogenation.
ChemInform Abstract: SRN1 Synthesis and Amebicide Activity of New Quinoline Derivatives.
Authors: BEUGELMANS R. , BOIS‐CHOUSSY M. , GAYRAL P. , RIGOTHIER M. C. 
Published: May 2016

AbstractA variety of quinoline derivatives such as (III)‐(V) carrying carbon, sulfur or phosphorus substituents as well as furoquinolines such as (VI) are obtained in most cases by radical chain nucleophilic substitution reactions (SRN1) as shown for (III).
ChemInform Abstract: Synthesis of 2,3‐Dihydro‐1,4‐benzodioxin Derivatives. Part 2. 5(or 6)‐Acyl‐2,3‐dihydro‐1,4‐benzodioxin Derivatives: New Phenoxyacetic Acid Diuretics.
Authors: ITAZAKI H. , HAYASHI K. , MATSUURA M. , YONETANI Y. , NAKAMURA M. 
Published: May 2016

AbstractStarting with 1,2‐dihydro‐3,4‐dichlorobenzene (I), the 6‐acyl‐2,3‐dihydro‐1,4‐benzodioxins (X) and (XII) are synthesized as shown in the reaction scheme.
ChemInform Abstract: Di(oxazine) Pigments.
Authors: SEBE I. , CHESCA D. , BORUZI G. 
Published: May 2016

AbstractCoupling of 2 equivalents of the 2‐methoxyanilines (I) with chloranil (II) forms the intermediates (III) which are cyclized under more severe conditions to give the di(oxazines) (IV).
ChemInform Abstract: Synthesis, Structure, and Reactions of 1,2,3‐Triazin‐2‐imines.
Authors: OHSAWA A. , ARAI H. , OHNISHI H. , ITOH T. , YAMAGUCHI K. , KAIHOH T. , KAWABATA C. , IGETA H. 
Published: May 2016

AbstractThe synthesis of the title compounds (IV) and their reaction with acylating compounds, such as (V) and (VII), and with electrophilic acetylenes, e.g. (XIII), are outlined in the reaction scheme.
ChemInform Abstract: Hexaarsabenzene as a Complexing Ligand.
Authors: SCHERER O. J. , SITZMANN H. , WOLMERSHAEUSER G. + 
Published: May 2016

AbstractThe triple‐decker sandwich complexes (II) containing the metal‐stabilized η6‐hexaarsabenzene ligand are obtained by the photochemical or thermal reactions shown in the scheme.
ChemInform Abstract: Metal Complexes of the Deprotonated Form of N,N′‐Bis(2′‐pyridinecarboxamide‐1′‐oxide)‐1,2‐ethane, (enpco), a Dinegative N2O2 Quadridentate Pyridine N‐Oxide Ligand. X‐Ray Crystal Structure of (Cu(enpco‐2H))2·8 H2O.
Authors: ANTOLOVICH M. , PHILLIPS D. J. , RAE A. D. 
Published: May 2016

AbstractThe title ligand (III) forms with NiCl2 in hot abs.
ChemInform Abstract: Reactions of Enolizable Steroidal 4‐En‐3‐ones and 17‐Ones with Hypervalent Iodine.
Authors: NUMAZAWA M. , MUTSUMI A. , OGATA M. 
Published: May 2016

AbstractTreatment of 4‐androstene‐3,17‐dione (I) with o‐iodosylbenzoic acid in methanol (II) and in the presence of potassium hydroxide yields a mixture of the compounds (III) ‐ (V).
ChemInform Abstract: A New Class of Endoglycosidase Inhibitors. Studies on Endocellulases.
Authors: LIOTTA L. J. , BERNOTAS R. C. , WILSON D. B. , GANEM B. 
Published: May 2016

AbstractThe reductive oxygenation of mercurial (I) to alcohol (II), a key step in the published synthesis of naturally occurring exoglycosidase inhibitors, also affords the by‐product (III) the yield of which is improved to 68% by simply changing from a vigorous flux of pure O2 to a slow stream of air.
ChemInform Abstract: Rate Constants for H + O2 + M from 298 to 639 K for M: He, N2, and H2O.
Authors: HSU K.‐J. , ANDERSON S. M. , DURANT J. L. , KAUFMAN F. 
Published: May 2016

AbstractThe HO2 generation via the title reaction is studied in the third‐order regime by use of a high‐pressure discharge flow apparatus.
ChemInform Abstract: Kinetics and Mechanism of X + ClNO → XCl + NO (X: Cl, F, Br, OH, O, N) from 220 to 450 K. Correlation of Reactivity and Activation Energy with Electron Affinity of X.
Authors: ABBATT J. P. D. , TOOHEY D. W. , FENTER F. F. , STEVENS P. S. , BRUNE WM. H. , ANDERSON J. G. 
Published: May 2016

AbstractBoth the reaction activation energies and the logarithms of the room temp. rate constants of the title reactions are found to correlate strongly with the electron affinity of the radical in such a way that high electron affinity leads to enhanced reactivity.
ChemInform Abstract: Effect of Chlorine in the Formation of PtRe Alloys in PtRe/Al2O3 Catalysts.
Authors: MALET P. , MUNUERA G. , CABALLERO A. 
Published: May 2016

AbstractThe effect of different pretreatments on the alloy formation in PtRe catalysts, with and without Cl2, is studied by temp.‐programmed reduction (TPR), and by using the n‐butane hydrogenolysis as a test reaction to determine the catalytic activities and selectivities.
ChemInform Abstract: Preparation and Characterization of Ordered Perovskite (CaLa)(MgMo)O6.
Authors: CHOY J.‐H. , HONG S.‐T. , SUH H.‐M. 
Published: May 2016

AbstractA polycrystalline powder of the title compound is prepared by annealing a stoichiometric mixture of CaCO3, La2O3, Mg(OAc)2·4 H2O and MoO3 in wet hydrogen (1100 °C, 10 h) and N2 atmosphere (1350 °C, several h).
ChemInform Abstract: Formation and Crystallization of Hydrogen‐Induced Amorphous SmFe2H3.6 Alloy.
Authors: AOKI K. , YANAGITANI A. , MASUMOTO T. , CHATTOPADHYAY K. 
Published: May 2016

AbstractThe amorphous title alloy, a‐SmFe2H3.6 (I), is obtained by slow reaction of the Laves phase SmFe2 with H2 of 5 MPa pressure between 400 and 500 K (XRD, TEM, and thermal analysis).
ChemInform Abstract: Reduction in Crystal Symmetry of a Solid Solution: A Neutron Diffraction Study at 15 K of the Host/Guest System Asparagine/Aspartic Acid.
Authors: WEISINGER‐LEWIN Y. , FROLOW F. , MCMULLAN R. K. , KOETZLE T. F. , LAHAV M. , LEISEROWITZ L. 
Published: May 2016

AbstractThe space group of the pure host crystal of (S)‐asparagine monohydrate (D2N‐CO‐CH2‐CH(ND3)‐COO·D2O) is P212121 (Z=4), whereas that of the host/guest crystal (0.848:0.152) is P1211.
ChemInform Abstract: Shape‐Selective Access to Zeolite Supercages. Arene Charge‐Transfer Complexes with Viologens as Visible Probes.
Authors: YOON K. B. , KOCHI J. K. 
Published: May 2016

AbstractThe bipyridinium cations from (I) and (II) are incorporated into sodium zeolite‐Y (Linde LZY‐52).
ChemInform Abstract: Photochemistry. Part 155. An Assortment of Highly Unusual Rearrangements in the Photochemistry of Vinylcyclopropanes. Mechanistic and Exploratory Organic Photochemistry.
Authors: ZIMMERMAN H. E. , OAKS F. L. , CAMPOS P. 
Published: May 2016

AbstractThe mechanistic pathways involved in the photochemistry of vinylcyclopropanes (I) and (VIII) are discussed in detail.
ChemInform Abstract: Selective Reaction of Glycine Residues in Hydrogen Atom Transfer from Amino Acid Derivatives.
Authors: BURGESS V. A. , EASTON C. J. , HAY M. P. 
Published: May 2016

AbstractThe relative rates of reaction of amino acid methyl esters and deuteriated analogues such as (I)‐(IV) with bromine atoms (NBS) and with tBuO· radicals (from (tBuO)2) indicate that the selective reaction of glycine residues in these and other free radical reactions of amino acid derivatives is due to the stability of radicals produced by atom‐transfer reactions.
ChemInform Abstract: The Khand Reaction of Some Trisubstituted Alkenes. Uses of the Catalytic Version of the Reaction.
Authors: BILLINGTON D. C. , KERR W. J. , PAUSON P. L. , FARNOCCHI C. F. 
Published: May 2016

AbstractThe regioselectivity in the Khand reaction of the cyclopentenes (I), (VI), or (IX) with ethynehexacarbonyldicobalt (II) is studied.
ChemInform Abstract: Synthesis and Lactonization of 1‐(2‐Hydroxy‐1,1‐dimethylethyl)aziridine‐2‐carboxylic Acid.
Authors: KRUTIUS O. N. , POLYAK F. D. , EREMEEV A. V. 
Published: May 2016

AbstractThe dibromopropionic acid esters (I) react with 2‐amino‐2‐methylpropan‐1‐ol (II) to give the aziridinecarboxylates (III).
ChemInform Abstract: Conjugate Additions on α‐Phenylthio α,β‐Unsaturated Oxazolines. Novel Synthesis of 3,4‐Disubstituted Coumarins.
Authors: CLINET J. C. 
Published: May 2016

AbstractThe (phenylthiomethyl)oxazoline (I) consecutively reacts with butyllithium and the carbonyl compounds (II) to give the adducts (III) which are dehydratet, affording the vinylic sulfides (IV).
ChemInform Abstract: Synthesis and Cognition Activating Properties of Some Mono‐ and Bicyclic Lactam Derivatives.
Authors: ALTOMARE C. , CAROTTI A. , CASINI G. , CELLAMARE S. , FERAPPI M. , GAVUZZO E. , MAZZA F. , PANTALEONI G. , GIORGI R. 
Published: May 2016

AbstractReductive ring closure of the monocyano triester (I) gives the monocyclic lactams (II), whereas cyclization of the dicyano diesters (III) and (V) under analogous conditions yields the bicyclic dilactam derivatives (IV) and (VI).
ChemInform Abstract: Novel Cage Compounds from Inter‐Intra‐Molecular Diels‐Alder Reactions of 1,2,4‐Triazines with Cycloocta‐1,5‐diene.
Authors: LANTOS I. , SHELDRAKE P. W. , WELLS A. 
Published: May 2016

AbstractThermolysis of the polychloro‐1,2,4‐triazines (I) with excess cycloocta‐1,5‐diene (II) results in elimination of N2 and cycloaddition, producing the cage imines (III).
ChemInform Abstract: Promotion Effect of tBuOK on the Reaction of Bromolithiocarbenoids at Low Temperatures.
Authors: OKU A. , HARADA T. , HOMOTO Y. , IWAMOTO M. 
Published: May 2016

Abstract7,7‐Dibromonorcarane (I) is converted into the lithium carbenoid (II) which reacts with tetrahydrofuran (III) and chlorotrimethylsilane (IV) in the presence of 1,2 equivalents of potassium tert‐butoxide, yielding the tetrahydrofuranylnorcarane (V) as the main product.
ChemInform Abstract: Ligand Substitution Reactions of 17‐Electron Transition‐Metal Carbonyl Anions: An Electron‐Transfer Mechanism.
Authors: PAN Y. H. , RIDGE D. P. 
Published: May 2016

AbstractGas‐phase ligand substitution reactions of (Cr(CO)5)‐ with a series of organic ligands (15 examples such as anthracene, bromonitrobenzenes, maleic anhydride and tetracyanoethylene) are investigated and total reaction rate constants are determined.
ChemInform Abstract: Oxidative Homolysis of Pentaaquoorganochromium(III) Cations Induced by Macrocyclic Nickel(III) Complexes.
Authors: KATSUYAMA T. , BAKAC A. , ESPENSON J. H. 
Published: May 2016

AbstractThe Ni(III) complexes of cyclam (1:1) and 1,4,7‐triazacyclononane (1:2), which are strong one‐electron outer‐sphere oxidants, oxidize the compounds (I) to Cr3+ and olefins or alcohols.
ChemInform Abstract: Synthesis and Characterization of a Trinuclear Polyoxomolybdate Containing a Reactive (MoO3) Unit, ((n‐C4H9)4N)2(Mo3O7(CH3C(CH2O)3)2), and Its Conversion to the Methoxy Derivative ((n‐C4H9)4N) (Mo3O6(OCH3)(CH3C(CH2O)3)2).
Authors: MA L. , LIU S. , ZUBIETA J. 
Published: May 2016

AbstractAs a part of investigations of alkoxypolyoxomolybdate coordination chemistry the novel trinuclear complex (III) containing a reactive MoO3 moiety is prepared.
ChemInform Abstract: Syntheses and Crystal Structures of Syn and Gauche Isomers of the Chloride‐Bridged Face‐Sharing Bioctahedral Molybdenum(III) Dimers (PHMe3) (Mo2Cl7(PMe3)2).
Authors: COTTON F. A. , LUCK R. L. 
Published: May 2016

AbstractThe chlorination of the dimer (I) yields the complex (III).
ChemInform Abstract: Preparation and Characterization of Sulfur‐Capped Trinuclear Molybdenum(IV) Complexes with Mo3O3S Cores and of Sulfur‐Bridged Dinuclear Molybdenum(V) Complexes with Mo2O3S Cores. Crystal and Molecular Structures of Ba(Mo3O3S(Hnta)3)·10 H2O and K2(Mo3O3S(cys)3)·6 H2O.
Authors: SHIBAHARA T. , AKASHI H. , NAGAHATA S. , HATTORI H. , KUROYA H. 
Published: May 2016

AbstractNew preparative routes to (IV) and similarly to (V) (using the disodium salt of EDTA instead of L‐cysteine) are reported.
ChemInform Abstract: The Iron‐Nitrato/Iron‐Nitrosyl Couple in the Presence of Hexamethylphosphoric Triamide and Its Relevance to Oxygen Activation and Transfer. X‐Ray Structure of Fe(NO3)(Cl)2(HMPA)2.
Authors: WAH H. L. K. , POSTEL M. , TOMI F. 
Published: May 2016

AbstractThe reaction of (I) and (II) yields a most unstable paramagnetic species (III) from which in solution (IV) can be isolated.
ChemInform Abstract: Encapsulated Phosphides: Ru8(CO)21(μ6‐P)(μ4‐PPh)(μ2‐PPh2), a Molecule with a Six‐Coordinate Phosphorus Atom in a Condensed Cluster.
Authors: VAN GASTEL F. , TAYLOR N. J. , CARTY A. J. 
Published: May 2016

AbstractRefluxing a solution of Ru3(CO)10(μ‐H)(μ‐PPh2) in toluene gives a mixture of five clusters (2‐37% yield), which is separated chromatographically.
ChemInform Abstract: All‐E‐10,20‐Methanoretinoylopsin, Light‐Stable Rhodopsin. Synthesis and Spectroscopy of all‐E‐10,20‐Methano‐ and all‐E‐Retinoyl Fluoride and Their Reaction with Bovine Opsin.
Authors: VAN DER STEEN R. , GROESBEEK M. , VAN AMSTERDAM L. J. P. , LUGTENBURG J. , VAN OOSTRUM J. , DE GRIP W. J. 
Published: May 2016

AbstractThe retinal analogue (VI) with a fixed 11‐cis configuration to preclude the light‐induced 11‐cis/trans isomerization and the retinoyl fluoride (VIII) are prepared by the procedures shown in the scheme (discussion of 1H, 13C, 19F NMR, MS and IR data).
ChemInform Abstract: 2‐(Trimethylsilyl)ethyl Glycosides. Part 3. Synthesis, Anomeric Deblocking, and Transformation into 1,2‐trans 1‐O‐Acyl Sugars.
Authors: JANSSON K. , AHLFORS S. , FREJD T. , KIHLBERG J. , MAGNUSSON G. , DAHMEN J. , NOORI G. , STENVALL K. 
Published: May 2016

AbstractTrimethylsilylethyl glycosides such as (III) are treated with acetic anhydride (IV) in the presence of BF3·Et2O to form the corresponding 1‐O‐acyl sugars, e.g. (V).
ChemInform Abstract: Tobacca Smoke Chemistry. Part 2. Alkyl and Alkenyl Substituted Guaiacols Found in Cigarette Smoke Condensate.
Authors: ARNARP J. , BIELAWSKI J. , DAHLIN B.‐M. , DAHLMAN O. , ENZELL C. R. , PETTERSSON T. 
Published: May 2016

AbstractA variety of ca. 25 substituted derivatives of guaiacol (Ia) are synthesized and used as reference substances for the MS and GC indentification of constituents of smoke condensate.
ChemInform Abstract: Synthesis of Isoarnebifuranone, Nanaomycin, and Deoxyfrenolicin. Structure Elucidation of Arnebifuranone.
Authors: FOLAND L. D. , DECKER O. H. W. , MOORE H. W. 
Published: May 2016

AbstractIn connection with the synthesis of isoarnebifuranone (VII), arnebifuranone (VIII) is found to be the Z isomer.
ChemInform Abstract: Leucodaunomycin, a Tautomer of Daunomycin Hydroquinone.
Authors: BIRD D. M. , BOLDT M. , KOCH T. H. 
Published: May 2016

AbstractDaunomycin hydroquinone (II), which is formed from daunomycin (I) by reduction with dithionite, tautomerizes at the B‐ring to leuco isomers (III) (in competition with glycosidic cleavage) when the pH is rapidly reduced from 7 to 3. The leuco isomers (III) are stable at low pH but revert to (II) at pH 7.4.
ChemInform Abstract: Pressure Effects on the Thermal Stability of Silicon Carbide Fibers.
Authors: JASKOWIAK M. H. , DICARLO J. A. 
Published: May 2016

AbstractWith the objective to determine the feasibility of improving the thermal stability of polymer‐derived SiC fibers measurements are made of the strength and physical properties of commercially available SiC fibers after heat treatment between 1000 and 2200 °C under vacuum and at argon pressures of 0.1 and 138 MPa.
ChemInform Abstract: NQR‐NMR and Raman Study of a Structural Phase Transition in (NH4)2PbCl6.
Authors: DIMITROPOULOS C. , PELZL J. 
Published: May 2016

AbstractStructural phase transformations, observed in (NH4)2PbCl6 at 80 K and in (NH4)2TeCl6 at 85 K by temp.‐dependent Cl‐NQR measurements, show several features distinctly different from those observed in other hexachlorometalates.
ChemInform Abstract: The Superconductivity in the Tl‐Ba‐Cu‐O System
Authors: ALEKSEEVSKII N. E. , MITIN A. V. , NIZHANKOVSKII V. I. , GREN B. , WARCHULSKA J. 
Published: May 2016

Abstractis studied for samples of formula Tl1.5Ba2Cu3O7‐x. The samples are not single‐phase, but contain several phases with the main phase being tetragonal.
ChemInform Abstract: Preparation of Supported Copper‐Based Catalysts. Part 1. Adsorption of Cu(II) Ions at Alumina and Silica.
Authors: DUMAS J.‐M. , KRIBII A. , MENEZO J. C. , BARBIER J. 
Published: May 2016

AbstractThe influence of the specific surface area, zero point of charge (ZPC), temp., pH, and addition of F‐ on the exchange capacities of Cu(II) are studied for two aluminas (100 and 200 m2/g) and two silicas (80 and 300 m2/g, resp.).
ChemInform Abstract: Synthesis and Characterization of New Mixed‐Valent Tellurates.
Authors: LAUNAY S. , MAHE P. , QUARTON M. 
Published: May 2016

AbstractThe synthesis of the new compounds M(I)BaNbTe2O9 (M(I): Li, Na, K, Rb, Ag) and M(II)0.5BaNbTe2O9 (M(II): Mg, Ca, Sr, Ba, Cu, Zn, Cd, Pb) by solid state reaction in the temp. range 600‐750 °C is achieved during the study of the systems BaTe2O6‐M(I)NbO3 and BaTe2O6‐M(II)(NbO3)2.
ChemInform Abstract: A New Catalyst for the Efficient and Selective β‐Hydrosilylation of Acrylonitrile. Effect of Ultrasound.
Authors: RAJKUMAR A. B. , BOUDJOUK P. 
Published: May 2016

AbstractThe hydrosilylation of acrylonitrile (I) to give exclusively the β‐adduct (III) is effected in yields of 98‐100% using the silanes (IIa) and the new two‐component catalyst system consisting of tetramethylethylenediamine and Cu2O. Ultrasonic waves significantly increase the rate of hydrosilylation over room‐temp.
ChemInform Abstract: A Novel Oxidative Ring‐Opening Reaction of Isoxazolidines: Syntheses of β‐Amino Ketones and β‐Amino Acid Esters from Secondary Amines.
Authors: MURAHASHI S. , KODERA Y. , HOSOMI T. 
Published: May 2016

AbstractThe 3‐phenyl‐ or 3‐ethoxyisoxazolidines (I) are cleaved upon consecutive treatment with the alkyl halides (II) and a tertiary amine, yielding the β‐amino ketones (IIIa) and (IIIb) or the β‐amino acid esters (IIIc) ‐ (IIIe).
ChemInform Abstract: Acid‐Catalyzed Acetylation of N‐Methallyl‐Substituted Lactams and Imines.
Authors: VOSHCHULA V. N. , TOLKUNOV S. V. , ZUBRITSKII M. YU. , DULENKO V. I. 
Published: May 2016

AbstractTreatment of the N‐methallyl lactams (I) or (IV) and the cyclic imides (VI), (VIII), or (X) with the carboxylic anhydrides (II) and aqueous perchloric acid gives the anellated oxazolinium salts (III), (V), (IX), (XI), and (XII) or the pyrylium salts (VII) depending on the starting materials.
ChemInform Abstract: Photochemical Reaction of Benzophenones with Allylic Silanes.
Authors: TAKUWA A. , FUJII N. , TAGAWA H. , IWAMOTO H. 
Published: May 2016

AbstractThe title reaction, carried out to study the reactivity of allylic silanes to a photoexcited carbonyl group, leads to the Paterno‐Buechi cycloadducts (III) + (IV) and to the products (V) and (VI) resulting from recombination of radicals generated by H‐abstraction.
ChemInform Abstract: Anodic Oxidation of (Trimethylsilyl)methanes with π‐Electron Substituents in the Presence of Nucleophiles.
Authors: KOIZUMI T. , FUCHIGAMI T. , NONAKA T. 
Published: May 2016

AbstractThe oxidation potentials of methanes (I) with π‐electron substituents are decreased by introduction of a trimethylsilyl group.
ChemInform Abstract: Sulfonyl Esters. Part 1. The Reduction of Tribromophenyl Sulfonates with Mercaptide Anions.
Authors: DURKIN K. A. , LANGLER R. F. , MORRISON N. A. 
Published: May 2016

Abstract2,4,6‐Tribromophenyl sulfonates have been shown to undergo unusually efficient reduction by mercaptide anions in hexamethylphosphoramide.
ChemInform Abstract: Iminiumtetrachloroaluminates as Efficient Mannich Reagents. α‐Aminoalkylation of Enamines with Iminiumtetrachloroaluminates.
Authors: RISCH N. , ESSER A. 
Published: May 2016

AbstractThe use of tetrachloroaluminates (Ia) and (IIa) instead of the commonly used salts (Ib), (Ic), and (IIb) offers some important advantages (e.g.
ChemInform Abstract: A Convenient Method for Synthesis of gem‐Bromochlorocyclopropanes.
Authors: XU L. , TAO F. 
Published: May 2016

AbstractA mixture of the alkenes (I), bromoform (II), and tetrachloromethane (III) in a molar ratio of 2:4:1 is treated with powdered sodium hydroxide under phase‐transfer catalytic conditions and ultrasonic irradiation, yielding the 1,1‐dihalocyclopropanes (IV) ‐ (VI) with predominance of the mixed products (IV) mentioned in the title.
ChemInform Abstract: Electrophilic Sulfenylation of Silyl Ketene Acetals Derived from 3‐Hydroxy Esters. Diastereoselective Synthesis of Protected Epoxy Alcohols.
Authors: GUANTI G. , BANFI L. , NARISANO E. , THEA S. 
Published: May 2016

AbstractThe siloxy ketene silyl acetals (I) react with phenylsulfenyl chloride (II) to produce mixtures of the anti‐ (III) and syn‐adducts (IV) with predominance of the isomers (III).
ChemInform Abstract: Synthesis and Comparison of Reactivity of Alkoxymethylene and Thioalkoxymethylene Ketenes.
Authors: CHEIKH A. B. , DHIMANE H. , POMMELET J. C. , CHUCHE J. 
Published: May 2016

AbstractThe Meldrum's acid derivatives (I) are cleaved by flash vacuum pyrolysis to generate the methylene ketenes (II).
ChemInform Abstract: Rearrangement of a Furo(3,2‐b)naphtho(2,1‐d)furan to a Pyranonaphthoquinone.
Authors: BRIMBLE M. A. , HODGES R. , STUART S. J. 
Published: May 2016

AbstractThe fused furans (III), prepared by coupling of the quinones (I) with the siloxyfuran (II), undergo oxidative rearrangement under participation of the acetyl substituent, forming the fused α‐hydroxypyrans (IV).
ChemInform Abstract: Boron Trifluoride‐Promoted Reaction of Dithio‐Substituted Allylic Anions and Cyclic Ethers.
Authors: FANG J.‐M. , CHEN M.‐Y. 
Published: May 2016

AbstractThe anions of the 2‐vinyl‐1,3‐dithianes (I) are coupled with the cyclic ethers (II) or (IV) in the presence of boron trifluoride etherate to produce the hydroxyalkyldithianes (III) or (V) and (VIb).