bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Chemistry of Cyclic Phosphorus Compounds. Part 3. Synthesis of Pheromones Having an γ,δ‐Unsaturated Ketone System from 1,1‐Diphenylphospholanium Perchlorate.
Authors: YAMAMOTO I. , TANAKA S. , FUJIMOTO T. , OHTA K. 
Published: May 2016

AbstractThe cyclic phosphonium salt (I) is employed in the olefination of hexanal (II), yielding the ω‐phosphinoylalkene (III).
ChemInform Abstract: A Magnetism and X‐Ray Photoelectron Spectroscopic Study on FeMoO4Cl and LiFeMoO4Cl
Authors: CHOY J.‐H. , NOH D.‐Y. , SON K. ‐A , SEUNG D.‐Y. 
Published: May 2016

Abstractis performed to analyze the elements participating in the redox reaction and to understand the nature of intra‐ and interlayer bonding before and after Li intercalation into the FeMoO4Cl host lattice.
ChemInform Abstract: Kinetic and Mechanistic Investigations of F + H2O/D2O and F + H2/D2 over the Temperature Range 240‐373 K.
Authors: STEVENS P. S. , BRUNE W. H. , ANDERSON J. G. 
Published: May 2016

AbstractThe rate constants of the title reactions are determined to be 1.6·10‐11 exp(‐28/T)cm3molecule‐1s‐1and 8.4·10‐12 exp(‐260/T)cm3molecule‐1s‐1for the reactions of F with H2O and D2O, resp., and 1.2·10‐10 exp(‐470/T)cm3molecule‐1s‐1and 9.3·10‐11 exp(‐680/T)cm3molecule‐1s‐1for the reactions with H2 and D2.
ChemInform Abstract: Use of α‐Anilinodienenitriles as Nucleophiles in Cycloadditions.
Authors: FANG J.‐M. , YANG C.‐C. , WANG Y.‐W. 
Published: May 2016

AbstractThe α‐anilinodienenitriles (III) are prepared by two methods, either via Peterson reaction of the α‐anilinoacetonitriles (I) with the α,β‐unsaturated aldehydes (II) or by an isomerization reaction of the 3,5‐dienenitrile (IV) as outlined in the reaction scheme.
ChemInform Abstract: Magnetic Field Effects in Cobalt(II)‐Catalyzed Oxidations: The Role of Electron Spin Angular Momentum.
Authors: HUGHES M. E. , CORDEN B. B. 
Published: May 2016

AbstractThe initial rate of the oxidation of (I) to give (II) is increased using cat1, a high‐spin Co(II) complex (S = 3/2) and is decreased using cat2, a low‐spin Co(II) complex (S = 1/2).
ChemInform Abstract: Exchange Type Reactions Between Oxiranes or Thiiranes and 2‐Hydroxyalkyl or 2‐Thioalkyl Amines and Sulfides.
Authors: WILK K. A. 
Published: May 2016

AbstractThe interaction of oxiranes with N‐alkyl‐bis(2‐hydroxyl)amines leads to the formation of an ammonium zwitter ion which is unstable.
ChemInform Abstract: Alkylidene Sulfur Difluorides: F5S(CF3)C=SF2 and (CF3)2C=SF2. Synthesis, Structure and Structure Predictions.
Authors: DAMERIUS R. , SEPPELT K. , THRASHER J. S. 
Published: May 2016

AbstractThe compounds (III) and (VI) rearrange quantitatively by light or heat to give the corresponding sulfenylfluorides (IV) and (VII).
ChemInform Abstract: Preparation of 1‐Phenylthio‐1,3‐dienes by Reaction of 2,5‐Dihydrothiophenes with Benzyne Through Fragmentation of Sulfonium Ylide Intermediates.
Authors: NAKAYAMA J. , KUMANO Y. , HOSHINO M. 
Published: May 2016

AbstractThe dihydrothiophenes (I) are cleaved upon reaction with aryne, generated from o‐carboxybenzenediazonium chloride (II), forming the dienyl phenyl sulfides (III), together with the dehydrogenated thiophenes (IV).
ChemInform Abstract: Synthesis of 8‐(Methoxycarbonyl)(6)paracyclophane‐3,4‐dione.
Authors: TOBE Y. , FURUKAWA T. , KOBIRO K. , KAKIUCHI K. , ODAIRA Y. 
Published: May 2016

AbstractHydroxylation of the propelladienone (I) followed by protection with 2,2‐dimethoxypropane (II) yields the isomeric isopropylidene derivatives (III) and (IV).
ChemInform Abstract: α‐Allylation of β‐Tetronic Acids and Chirality Transfer via the 4‐Oxygenated 2(5H)‐Furanone System.
Authors: MOMOSE T. , TOYOOKA N. , FUJII H. , YANAGINO H. 
Published: May 2016

AbstractReaction of the tetronic acids (I) and (V) with allyl bromide (II) gives the C‐ and O‐allylation products as shown in the reaction scheme.
ChemInform Abstract: Lewis Acid‐Catalyzed Diels‐Alder Reactions of 1‐Phenyl‐Substituted 3‐Vinylindoles with N‐Phenylmaleimide. Hints at Concerted and Nonconcerted Processes.
Authors: PINDUR U. , PFEUFFER L. 
Published: May 2016

Abstract(4 + 2)Cycloaddition reaction of the N‐(sulfonyl)vinylindole (Ia) with the maleinimide (II) gives a small amount of the endo‐cycloadduct (IIIa) as the sole product, while the N‐(methyl)vinylindole (Ib) gives a mixture of the cycloadducts (IIIb) and (IVb).
ChemInform Abstract: Gossypol and Hemigossypols. Part 3. Preparation of the Methyl Gossypol Methylene Ether.
Authors: DALLACKER F. , LEUTHER P. , WABINSKI‐WESTEROP K. 
Published: May 2016

AbstractThe hydroxynaphthodioxoles (I) are dimerized by oxidation with potassium hexacyanoferrate(III) and subsequent reductive work‐up with dithionite to give the dimer (II).
ChemInform Abstract: Syntheses of Symmetric α,α,α‐Tris(imidazolylmethyl)acetonitriles: A New Class of Tripod M2+‐Chelating Ligands.
Authors: MANOHARAN T. S. , BROWN R. S. 
Published: May 2016

AbstractBase‐catalyzed coupling of the N‐protected chloromethylimidazole (II) with acetonitrile (I) yields the tris‐substituted acetonitrile (III) which is deprotected by aqueous acid, giving the compound (IV).
ChemInform Abstract: Stereoselectivities of Mesitonitrile Oxide Cycloadditions to 7‐Substituted Norbornadienes.
Authors: DAL BO L. , DE AMICI M. , DE MICHELI C. , GANDOLFI R. , HOUK K. N. 
Published: May 2016

Abstract1,3‐Dipolar cycloaddition reaction of mesitonitrile oxide (II) with the norbornadienes (I) gives the isomeric cycloadducts (III) ‐ (VI).
ChemInform Abstract: Nonacidic and Highly Chemoselective Protection of the Carbonyl Function. 3‐Methylbenzothiazolines as a Base‐ and Acid‐Resistant Protected Form for the Carbonyl Groups.
Authors: CHIKASHITA H. , KOMAZAWA S. , ISHIMOTO N. , INOUE K. , ITOH K. 
Published: May 2016

AbstractAn efficient method for the protection and deprotection of aldehydes and ketones such as (II) under mild and neutral conditions is achieved by conversion into the 3‐methylbenzothiazolines (III).
ChemInform Abstract: Studies on Diazepines. Part 30. Addition Reactions of Monocyclic Diazepines with Dimethyl Acetylenedicarboxylate Involving Diazonine Intermediates.
Authors: KURITA J. , KUKUSAWA N. , TSUCHIYA T. 
Published: May 2016

AbstractThe 1,3‐diazepines (I) react with the diester (II) mentioned in the title to give the pyrrolopyridines (III).
ChemInform Abstract: Sparsomycin Analogues. Part 5. Synthesis and Antitumor Activity of E‐β‐(Pyrimidin‐5‐yl)acrylamides.
Authors: KANATOMO S. , WADA A. , HAMAOKA Y. , NAGAI S. , FUKUDA S. , TANAKA M. , SASAKI T. 
Published: May 2016

AbstractThe sparsomycin analogs L‐(III) are synthesized from the pyrimidinylacrylic acids (I) and the methyl methioninates L‐(II) using the mixed anhydride method.
ChemInform Abstract: Synthesis of 1′‐Substituted 2‐Aminospiro(4H‐3,1‐benzoxazine‐4,4′‐piperidine) Derivatives.
Authors: TAKAI H. , OBASE H. , TERANISHI M. 
Published: May 2016

AbstractCyclization of the ureas (III), prepared from the anilines (I) and the isocyanates (II), in concentrated hydrochloric or sulfuric acid yields the benzoxazines (IV).
ChemInform Abstract: Cyclic Borates Prepared from Shikimic and Quinic Acid and Their Methyl Esters ‐ Structure and Stability in Aqueous Solution.
Authors: DELFOURNE E. , VERONIQUE J. , GORRICHON L. , MUNOZ A. , LAMANDE L. 
Published: May 2016

AbstractInteractions between B(OH)3 (III) and the acids/esters (I) and (II) are studied by means of 11B and 13C NMR.
ChemInform Abstract: Selective H/D Exchange in Alkylsilanes Catalyzed by Osmium Phosphine Complexes: The First Evidence for β‐Hydrogen Elimination from a Metal Silyl.
Authors: BERRY D. H. , PROCOPIO L. J. 
Published: May 2016

AbstractNMR studies of the exchange reactions show them to proceed by formation of transient silene complexes which formally represent the dehydrogenation of the silane within the Os coordination sphere.
ChemInform Abstract: Carbohydrate Metal Ion Complexes. Interaction of D‐Glucono‐1,5‐lactone with Zn(II), Cd(II), and Hg(II) Ions in the Solid and Aqueous Solution, Studied by 13C‐NMR, FT‐IR, and X‐Ray Powder Diffraction Measurements.
Authors: TAJMIR‐RIAHI H. A. 
Published: May 2016

AbstractThe reaction of the title lactone with Zn(II), Cd(II), and Hg(II) carbonates in aqueous solution is studied.
ChemInform Abstract: Coordination Compounds of Indium. Part 45. Indium(I) Derivatives of Aromatic Diols.
Authors: MABROUK H. E. , TUCK D. G. 
Published: May 2016

AbstractThe electrochemical oxidation of anodic In(0) (I) in solutions of the aromatic diols (II) yields the new In(I) compounds (III).
ChemInform Abstract: Organotin Compounds. Part 11. Organotin Hydride Additions to Various Methyl Dihydronaphthalenecarboxylates.
Authors: PODESTA J. C. , AYALA A. D. , CHOPA A. B. , GIAGANTE N. N. 
Published: May 2016

AbstractDiastereoselective hydrostannylation of the dihydronaphthalenecarboxylates (I), (V), and (VIII) gives the trialkylstannyltetralincarboxylates (III), (VI), and (IX) via free radicals.
ChemInform Abstract: Nucleophilic Aromatic Substitutions SNAr of Fluorobenzenetricarbonylchromium.
Authors: ROSE‐MUNCH F. , ROSE E. , SEMRA A. , MIGNON L. , GARCIA‐ORICAIN J. , KNOBLER C. 
Published: May 2016

AbstractReactions of the fluorobenzene complexes (I) and (IV) with the carbanions of (II), (V), and (VII) give the cine‐ and tele‐nucleophilic aromatic substitution products (III), (VI), and (VIII).
ChemInform Abstract: Synthesis and Reactivity of Ruthenium Hydride Complexes of Chelating Triphosphines. Part 2. X‐Ray Structure Determination of the Novel Compound Ru(CCPh)(η3‐PhC3CHPh)(Cyttp)(Cyttp: C6H5P(CH2CH2CH2P(c‐C6H11)2)2).
Authors: JIA G. , RHEINGOLD A. L. , MEEK D. W. 
Published: May 2016

AbstractThe novel title complex (III) contains an unusual C‐C coupling product as ligand.
ChemInform Abstract: A Simple and Efficient Method for the Preparation of Binaltrorphimine and Derivatives and Determination of Their ϰ Opioid Antagonist Selectivity.
Authors: SCHMIDHAMMER H. , SMITH C. F. C. 
Published: May 2016

AbstractThe title compound (IIIa) and its derivative (IIIb) possess antagonist potency and κ selectivity.
ChemInform Abstract: Order‐Disorder Transitions of the Pd7Dy(Y) Phase in Pd‐Dy(Y) Alloys.
Authors: TAKAO K. , SAKAMOTO Y. , YOSHIDA M. , FLANAGAN T. B. 
Published: May 2016

AbstractAn ordered phase in the form of a Pd7Dy(Y) superlattice is detected in annealed Pd‐Dy and Pd‐Y alloys containing 8‐17.5 at.% Dy(Y).
ChemInform Abstract: The First Quaternary Oxostannate with Isolated Anion Structure: RbNa3(SnO4)
Authors: BERNET K. , HOPPE R. 
Published: May 2016

Abstractis prepared by heating a mixture of RbSn and Na2O2 at 750 °C (Rb:Na = 1:4, Ni‐tube, 21 d).
ChemInform Abstract: Contributions to the Investigation of Inorganic Nonstoichiometric Compounds. Part 36. Tungsten‐Rich Solid Solution Series of (Nb,W)Ox Phases Having Block Structures ‐ Preparation by Chemical Transport.
Authors: HUSAIN A. , GRUEHN R. 
Published: May 2016

AbstractLarge crystals of four series of solid solutions denoted as 6:1 (W4/4(Nb12O33)), 7:3 (W4/4(Nb14W2O44)), 8:5 (W4/4(Nb16W4O55)), and 9:8 (W4/4(Nb18W7O69)) phases having block structures with building units of (3 · 4), (4 · 4), (4 · 5), and (5 · 5), resp., are prepared from Nb2O5, WO3, and NbO2 by nearly isothermal transport (∼1250 °C) using HgCl2 as mineralizer.
ChemInform Abstract: SNAr, SN2, and Aromatic Addition Processes in the Reactions of Picryl Ethers with Nitrogen and Carbon Bases.
Authors: STRAUSS M. , TORRES R. 
Published: May 2016

AbstractThe picryl ethers (I) are treated with triethylamine (III) or diethylamine (VII) in various solvents: e.g., (I) and (III) react with di‐(methoxycarbonyl)acetone (II) in methylene chloride to form the bridged trinitro compounds (IV) and (V), together with the substitution product (VI).
ChemInform Abstract: 2,4‐Dimethylene‐1,3‐cyclobutanediyl (VII), the Non‐Kekule Isomer of Benzene. Synthesis, EPR, and Electronic Spectroscopy.
Authors: SNYDER G. J. , DOUGHERTY D. A. 
Published: May 2016

AbstractStarting from benzvalene (I), a wide range of reactions are examined to obtain diazene (VI), the immediate precursor of diyl (VII).
ChemInform Abstract: Optimization of the Reaction Conditions Using a NADH Model Grafted on a Merrifield Type Resin.
Authors: DUPAS G. , DECORMEILLE A. , BOURGUIGNON J. , QUEGUINER G. 
Published: May 2016

AbstractThe synthesis of reducing agent (I), 1,4‐dihydronicotinamide grafted on a Merrifield resin, through quaternization of nicotinamide with the Merrifield resin in refluxing MeCN followed by Na2S2O4 reduction, is described.
ChemInform Abstract: Biotransformations with Halobacterium halobium: Reduction of Ethyl 3‐Oxobutanoate and Hydrolysis of Ethyl 3‐Hydroxybutanoate. Cooperative Effects of Reductase and Hydrolase.
Authors: EHRLER J. , SEEBACH D. 
Published: May 2016

AbstractThe title bacterium is tested for its ability to achieve biotransformations, but only a small variety of compounds such as (I) or (±)‐(II) are accepted as substrates.
ChemInform Abstract: Importance of Structure of α,β‐Ethylenic Ketones During Their Reductive Coupling Promoted by the TiCl4‐Mg Reagent.
Authors: PONS J.‐M. , SANTELLI M. 
Published: May 2016

AbstractThe reductive coupling of various α,β‐unsaturated ketones is performed using the TiCl4‐Mg system under different conditions.
ChemInform Abstract: Radiotracers in Fluorine Chemistry. Part 12. Reactions Between Cesium Fluoride and Arsenic Pentafluoride, Boron Trifluoride, Sulfur Tetrafluoride, Carbonyl Fluoride, and Carbon Dioxide Under Heterogeneous Conditions at Room Temperature. Radiotracer Studies Using Fluorine‐18, Sulfur‐35, and Carbon‐14.
Authors: DIXON K. W. , WINFIELD J. M. 
Published: May 2016

AbstractActivation of CsF by thermal decomposition of its 1:1 adducts with hexafluoroacetone or carbonyl fluoride results in significantly greater activity with respect to its reactions with AsF5, BF3, and SF4, and enables reactions involving carbonyl fluoride and CO2 to be studied.
ChemInform Abstract: New Alkoxycarbonylalkyloxychalcones and Their α,β‐Dibromo Derivatives of Potential Antimicrobial Activity.
Authors: SZAJDA M. , KEDZIA B. 
Published: May 2016

AbstractThe p‐hydroxychalcone (I) is coupled with the bromoacetates (II) to give the unsaturated phenol ethers (III) which react with bromine to form the brominated ethers (IV).
ChemInform Abstract: A Chiral Catechol with C2 Symmetry.
Authors: KELLY T. R. , CHANDRAKUMAR N. S. , SAHA J. K. 
Published: May 2016

AbstractStarting with the dimethoxyphenylpropionate (I), the indacenedione (VIII) is prepared via the diester (V) and twofold cyclization of the dibromo acid (VI).
ChemInform Abstract: Synthesis and Reactivity of Furan‐2,3‐dione Derivatives.
Authors: ZANKOWSKA‐JASINSKA W. , BOROWIEC H. , BURGIEL M. , KOLASA A. , WODZIEN M. 
Published: May 2016

AbstractThe title compounds (III) are stable in weak acidic medium and cleaved in alkaline or alcoholic solution.
ChemInform Abstract: Glycolaldehyde Monomer in Organic Synthesis.
Authors: DINPRASERT P. , MAHIDOL C. , THEBTARANONTH C. , THEBTARANONTH Y. 
Published: May 2016

AbstractGlycolaldehyde (II), generated in situ from its dimer (I) via formation of lithium alkoxides, reacts with the methyl carboxylates (III) in the presence of zinc chloride to yield the hydroxy γ‐lactones (IV).
ChemInform Abstract: Synthesis of 5‐Carbamoyloxy and 5‐Acyloxynaphthalene‐1,8‐carbolactones with Potential Antitumoral Activity.
Authors: BOUAZIZ Z. , FILLION H. 
Published: May 2016

AbstractThe hydroxynaphthalenecarbolactone (I) reacts with the isocyanates (II) to give the carbamates (III).
ChemInform Abstract: Synthesis and Pesticidal Activities of Some 1,3,4‐Thiadiazolo(3,2‐a)‐s‐triazine‐5‐thiones and 1,3,4‐Thiadiazolo(3,2‐a)imidazol‐6‐ones.
Authors: CHATURVEDI B. , TIWARI N. , NIZAMUDDIN NIZAMUDDIN 
Published: May 2016

AbstractThe title compounds (IV) and (VI) are tested for their pesticidal activity.
ChemInform Abstract: Synthesis and SAR Studies in 2‐Substituted 1,2,3,4‐Tetrahydro‐9H‐pyrido(3,4‐b)indole‐3‐carboxylic Acids ‐ a New Class of Potent Antiulcer Agents.
Authors: TRIPATHI R. CH. , PATNAIK G. K. , SAXENA A. K. 
Published: May 2016

AbstractEighteen title compounds of type (VI) are prepared via the corresponding esters of type (V).
ChemInform Abstract: Fluorocinnoline Derivatives. Part 2. Synthesis and Antibacterial Activity of Fluorinated 1‐Alkyl‐1,4‐dihydro‐4‐oxocinnoline‐3‐carboxylic Acids.
Authors: MIYAMOTO T. , MATSUMOTO J. 
Published: May 2016

AbstractTreatment of the fluorinated cinnoline derivatives (I) with dialkyl sulfates (II) or the alkyl iodides (III) leads to the formation of the alkylated products (IV), together with the isomeric anhydro‐bases (V).
ChemInform Abstract: New Methods and Reagents in Organic Synthesis. Part 78. Reaction of Trimethylsilyldiazomethane with Olefins.
Authors: AOYAMA T. , IWAMOTO Y. , NISHIGAKI S. , SHIOIRI T. 
Published: May 2016

AbstractTreatment of the olefins (I) with trimethylsilyldiazomethane (II) in the presence of palladium(II) chloride or cuprous chloride produces in general mixtures of the cyclopropanes (III) and (IV).
ChemInform Abstract: Cp2TiPh2‐Catalyzed Dehydrogenative Coupling of Polyhydromonosilanes.
Authors: NAKANO T. , NAKAMURA H. , NAGAI Y. 
Published: May 2016

AbstractDiphenyltitanocene‐catalyzed reaction of diphenylsilane (I) yields the tetraphenyldisilane (II) and triphenylsilane (III).
ChemInform Abstract: Acetoxyselenenylation of Olefins for the Preparation of Vinylic and Allylic Acetates.
Authors: ENGMAN L. 
Published: May 2016

AbstractWhen the terminal olefins (I) are treated with phenylselenenyl bromide (II) in acetic acid (III), mixtures of the α‐acetoxy selenides (IV) and (V) are formed.
ChemInform Abstract: Synthesis and Pyrolysis of Organoelement Benzazole Derivatives of Phosphorus, Arsenic, Silicon, and Tin.
Authors: HEINICKE J. 
Published: May 2016

AbstractThe isonitrile (I) reacts with the lithium reagent (II), forming the intermediate (III) which is coupled with dichlorides such as (IV), producing the organoelement benzazoles (V).
ChemInform Abstract: Synthesis of Nauclefine, Angustidine, Angustine, (.+‐.)‐13b,14‐Dihydroangustine and Naulafine.
Authors: REPKE D. B. , JAHANGIR JAHANGIR , CLARK R. D. , NELSON J. T. , MACLEAN D. B. 
Published: May 2016

AbstractThe title compounds (±)‐13b,14‐dihydroangustine (VIc), nauclefine (VIIa), angustidine (VIIb), angustine (VIIc) and naulafine (XI) are prepared using a common methodology.
ChemInform Abstract: Kinetic Study on Chemical Vapor Deposition of Titanium Disulfide Thin Film.
Authors: KANEHORI K. , KIRINO F. , ITO Y. , MIYAUCHI K. , KUDO T. 
Published: May 2016

AbstractTiS2 films having a crystallographic orientation in which the c‐axis is parallel to the substrate (Si single crystals, borosilicate glass plates) plane are prepared by low pressure CVD using TiCl4 and H2S as source gases and conditions where the reaction is controlled by the surface reaction.
ChemInform Abstract: Formation of Chromium Interlayers in α‐Zirconium Phosphate.
Authors: MACLACHLAN D. J. , BIBBY D. M. 
Published: May 2016

AbstractRefluxing of the half‐sodium‐exchanged form of α‐zirconium bis(hydrogenphosphate) (Zr(PO4)2)NaH·5 H2O with solutions of Cr(OAc)3 results in interlayered materials with expanded interlayer spacings (15‐26 Å).
ChemInform Abstract: Crystal Structures and Properties of Two Sodides and an Electride.
Authors: DAWES S. B. , WARD D. L. , FUSSA‐RYDEL O. , HUANG R.‐H. , DYE J. L. 
Published: May 2016

AbstractCompound (I) crystallizes in the space group C2/m with Z=2; (II) in C2/c with Z=4.
ChemInform Abstract: Oxidative δ‐Chlorination of Aliphatic Alcohols with the System Lead Tetraacetate‐Metal Chloride.
Authors: KAPUSTINA N. I. , LISITSYN A. V. , NIKISHIN G. I. 
Published: May 2016

AbstractOxidative chlorination of the primary alcohols (I), the secondary alcohols (VIa) or (VIb), and the tertiary alcohol (IX) with the system lead (IV) acetate/metal chloride predominantly gives the δ‐chloro alkanols (II), (VIIa) or (VIIb), and (X).
ChemInform Abstract: Perfluoroalkylations of Nitrogen‐Containing Heteroaromatic Compounds with Bis(perfluoroalkanoyl) Peroxides.
Authors: YOSHIDA M. , YOSHIDA T. , KOBAYASHI M. , KAMIGATA N. 
Published: May 2016

AbstractPerfluoroalkylations of the heteroaromatic compounds (II), (IV), (VI) using the bis(perfluoroalkanoyl) peroxides (I) afford the products (III), (Va) + (Vb), or (VII).
ChemInform Abstract: Selective 1,2‐Addition of Organo‐Cerium(III) Reagents to α,β‐Unsaturated Carbonyl Compounds.
Authors: IMAMOTO T. , SUGIURA Y. 
Published: May 2016

AbstractA suspension of cerium trichloride (I) is treated with the organo‐lithium compounds (II), forming the organo‐cerium agents (III) which react with the α,β‐unsaturated carbonyl compounds (IV) to give predominantly the allylic alcohols (V), together with the saturated compounds (VI).
ChemInform Abstract: Oxidation of Methacrylic Acid Esters with H2O2 in Presence of Chromium Catalysts. A Novel Route to Pyruvic Acid Esters.
Authors: INOUE M. , URAGAKI T. , KASHIWAGI H. , ENOMOTO S. 
Published: May 2016

AbstractThe methacrylates (I) are converted to the pyruvates (II) by oxidation with aqueous H2O2 in the presence of chromium catalysts.
ChemInform Abstract: Asymmetric Aldol Reaction of Silyl Enol Ethers with Aldehydes Promoted by the Combined Use of Chiral Diamine‐Coordinated Tin(II) Triflate and Tributyltin Fluoride.
Authors: KOBAYASHI S. , MUKAIYAMA T. 
Published: May 2016

AbstractThe aldehydes (I) are coupled with the O‐silyl ketene O,S‐acetales (II) in the presence of tin triflate, tributyltin fluoride, and a chiral pyrrolidinylmethylpiperidine to form the optically active β‐hydroxy thiolo esters (III).
ChemInform Abstract: Reaction of Polyhalogenated Disulfides with Hexaethylphosphorous Triamide.
Authors: POPKOVA V. YA. , GALAKHOV M. V. , KNUNYANTS I. L. 
Published: May 2016

AbstractTreatment of the symmetric disulfides (I) and (III) with hexaethylphosphorous triamide gives the thiiranes (II) and (IV).
ChemInform Abstract: Highly Enantiospecific Synthesis of 4‐Alkyl and 4,5‐Dialkyl Substituted 4,5‐Dihydrofuran‐2(3H)‐ones from Optically Active (E)‐ and (Z)‐Alk‐1‐enyl p‐Tolyl Sulfoxides: Application to the Synthesis of Lignan Lactones.
Authors: KOSUGI H. , TAGAMI K. , TAKAHASHI A. , KANNA H. , UDA H. 
Published: May 2016

AbstractThe Z‐(I) and E‐(III) sulfoxides are obtained from the acetylenic sulfoxides (II) by different reduction methods as shown in the scheme.
ChemInform Abstract: Base‐Catalyzed Condensation of 2,5‐Dimethyl‐1‐phenylpyrrole‐3,4‐dicarbaldehyde with β‐Diketones.
Authors: VORKAPIC‐FURAC J. , SUPRINA M. 
Published: May 2016

AbstractThe pyrroledicarbaldehyde (I) and the diketones (II) cyclize to give the cycloheptapyrrolones (III) or a mixture of (IIIa) and the dihydrocycloheptapyrrolone (IV) depending on the reaction conditions.
ChemInform Abstract: Synthesis of New Anellated Flavonoid Derivatives Possessing Spasmolytic Activity. Part 7.
Authors: ERTAN R. , GOEKER H. + , ERTAN M. , PINDUR U. 
Published: May 2016

AbstractCyclocondensation of 7,8‐dihydroxyflavone (I) with 2,3‐dibromopropanoate (II) give a regioisomeric mixture of the anellated 1,4‐benzodioxanes (III) and (IV).
ChemInform Abstract: Rearrangements of Arylhydrazones of N‐Acylbenzimidazoles. Synthesis of 2‐Aryl‐1,2,4‐triazolo(4,3‐a)quinoxalinium Salts.
Authors: CUSMANO G. , MACALUSO G. 
Published: May 2016

AbstractThe hydrazones (I), (III), and (VII) undergo acid‐catalyzed cyclization reaction to produce the triazolium perchlorates (II), (IV), and (VIII).
ChemInform Abstract: Pteridines. Part 88. Oxidations and Reactions of 2‐ and 4‐Thiolumazine Derivatives. Synthesis and Properties of Pteridinesulfinates and Pteridinesulfonates.
Authors: BARTKE M. , PFLEIDERER W. 
Published: May 2016

AbstractThe thiolumazines (I) are oxidized with H2O2, forming the stable sulfinates (III) which release SO2 upon treatment with sulfuric acid to produce the pteridines (IV).