bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Attempted Rearrangement of Cyclobutyl Anions to 3‐Butenyl Anions: Endocyclic Ring Opening Upon Reaction of 3,3‐Diphenyl‐1‐vinylcyclobutyl Methyl Ether with Alkali Metals ‐ Via Anions or Radicals?
Authors: MAERCKER A. , BERKULIN W. 
Published: May 2016

AbstractThe reaction of the title compound (I) with sodium yields mainly the open‐chain E/Z‐isomeric trianions (II) and (III) besides the expected cyclobutyl anion (IV).
ChemInform Abstract: Stereoselective Synthesis of Homoallylic Alcohols by Migratory Insertion Reactions of Higher‐Order Cyanocuprates and Nickel‐Catalyzed Coupling Reactions Involving Enol Carbamates.
Authors: KOCIENSKI P. , DIXON N. J. 
Published: May 2016

AbstractThe vinylstannane (III), prepared from the vinyl carbamate (I) by lithiation with butyllithium and subsequent transmetalation with trimethylchlorostannane (II), reacts with the lithium cuprates (IV) to produce the disubstituted alkenes (V).
ChemInform Abstract: A Cross‐Coupling Reaction of Methylsulfinylarenes.
Authors: WAKABAYASHI S. , TANAKA T. , KUBO Y. , UENISHI J. , OAE S. 
Published: May 2016

AbstractAll four methylsulfinylhetarenes (I) and (II) react permutingly with MeMgBr in THF to give the cross‐coupled products (V)‐(VIII) together with the homo‐coupled dimers (III) and (IV).
ChemInform Abstract: β‐Ketonitrosamines as Synthetic Equivalents of α‐Methinyl Methylamino (R‐CHNHCH3) and α‐Methinyl Alkylamino (R‐CHNHR′) Anions.
Authors: FARNSWORTH D. W. , SAAVEDRA J. E. 
Published: May 2016

AbstractThe α‐methyl‐β‐ketonitrosamines (I) are deprotonated and then substituted to form the α,α‐dialkyl derivatives (III).
ChemInform Abstract: Synthesis and X‐Ray Crystal Structure of 3,5‐Dibromo‐6‐hydroxy‐6‐methyl‐2‐heptanone.
Authors: WILLIARD P. G. , WRENSFORD G. 
Published: May 2016

AbstractThe target compound (III) is obtained via consecutive hydroxybromination and bromination of the methylheptenone (I) with NBS.
ChemInform Abstract: A New Reaction of Aryl Isocyanates with Nitrite Ion.
Authors: BOTTING N. P. , CHALLIS B. C. 
Published: May 2016

AbstractThe aromatic isocyanates (I) are subjected to oxidation with tetraethylammonium nitrite (II) to give the 1,3‐diaryltriazenes (IV) via the intermediate aryldiazotates (III).
ChemInform Abstract: Ruthenium‐Catalyzed Oxidation of Nitriles with tert‐Butyl Hydroperoxide.
Authors: MURAHASHI S. , NAOTA T. , KUWABARA T. 
Published: May 2016

AbstractOxidation of the nitriles (I) with tert‐butyl hydroperoxide (II) in the presence of a Ru(II) catalyst yields the α‐tert‐butylperoxy nitrile (III).
ChemInform Abstract: The Reaction of Quaternary Ammonium Salts Derived from 2‐Aryl‐3‐(N,N‐dimethylamino)‐1‐propenes with Some Enolate Anions.
Authors: GUPTON J. T. , KORLIKOWSKI D. , RUSLER M. 
Published: May 2016

AbstractCoupling of the (2‐aryl‐1‐propen‐3‐yl)trimethylammonium iodides (I) with the anions derived from the active methylene compounds (II) yields the carboxylates (III).
ChemInform Abstract: New Ring Conversion of Monocyclic Ketones to Bicycloenone Skeletons.
Authors: MIYAO Y. , TANAKA M. , SUEMUNE H. , SAKAI K. 
Published: May 2016

AbstractTreatment of the 2‐(oxoalkyl)cycloalkanones (I), (III), (X), and (XIII) with boron trifluoride etherate and ethylene glycol results in the predominant formation of the bicyclic enones (II), (V), (XII), and (XV).
ChemInform Abstract: Reactions of Unsaturated Azides. Part 10. 2‐Methylene‐2H‐azirines by Photolysis of 1‐Azidoallenes.
Authors: BANERT K. , HAGEDORN M. 
Published: May 2016

AbstractA participation of a dipolar resonance structure is indicated by the 13C NMR spectra of (II).
ChemInform Abstract: Darzen′s Reaction on Oxoketene Dithioacetals: New Versatile Synthesis of Substituted and Anellated Furan‐2‐carboxylates.
Authors: DATTA A. , POORANCHAND D. , ILA H. , JUNJAPPA H. 
Published: May 2016

AbstractDarzen's condensation of in situ formed lithiobromoacetate (see condition A)) with oxoketene dithioacetals such as (I) affords the title furans (II) which can be desulfurized to (III).
ChemInform Abstract: Isolation of Bicyclo(3.2.1)oct‐3‐ene‐2,8‐dione Products (Formal 5 + 2 Cycloadducts) from Reactions of Styrenes with 2‐Alkoxy‐1,4‐benzoquinones.
Authors: ENGLER T. A. , COMBRINK K. D. , TAKUSAGAWA F. 
Published: May 2016

AbstractThe trans‐β‐methylstyrenes (I) undergo ring closure reaction with the 2‐alkoxy‐1,4‐benzoquinones (II) in the presence of Ti(IV) salts to yield the alkoxydihydrobenzofurans (III), hydroxybicyclo(3.2.1)octenediones (IV), and alkoxybicyclo(4.2.0)octenediones (V).
ChemInform Abstract: Functionalization of the Methyl Group of 2‐Methylindole by Direct Generation of a C,N‐Dianion.
Authors: INAGAKI S. , NISHIZAWA Y. , SUGIURA T. , ISHIHARA H. 
Published: May 2016

AbstractThe best procedure to generate dianion (II) is given by A) and neither reversing the sequence of base treatments nor treatment with both bases simultaneously give similar results.
ChemInform Abstract: Silica Gel‐Catalyzed Cyclizations of Enones and Double Michael Additions of Vinylogous Amides: Efficient Synthesis of Bicyclo(2.2.2)octanones and Bicyclohydrocarbazolones.
Authors: SCHINZER D. , KALESSE M. 
Published: May 2016

AbstractCoupling reaction of the cyclohexenones (I) with methyl acrylate (II) and subsequent silylation with trimethylchlorosilane (III) produce the ketene acetals (IV) which are cyclized on silica gel, forming the bicyclooctanones (V).
ChemInform Abstract: Reaction of Derivatives of Thiosemicarbazide with Bis(imidochlorides) of Oxalic Acid.
Authors: BECKERT R. , GRUNER M. , SEIDEL I. , KUBAN R.‐J. 
Published: May 2016

AbstractOxalic bis(imidochlorides) such as (I) react with thiosemicarbazones of type (II) or (V) to give the five‐membered ring heterocycles (III), (IV) or (VI) (yields of (III) not given).
ChemInform Abstract: Nitroimidazoles. Part 21. 2,3‐Dihyro‐6‐nitroimidazo(2,1‐b)oxazoles with Antitubercular Activity.
Authors: NAGARAJAN K. , SHANKAR R. G. , RAJAPPA S. , SHENOY S. J. , COSTA‐PEREIRA R. 
Published: May 2016

AbstractThe title compounds are tested for antitubercular activity in vitro and in vivo.
ChemInform Abstract: Antifungal Agents. Part 30. Novel Substituted 3‐(2‐Furanyl)‐3‐(1H‐imidazol‐1‐ylmethyl)‐2‐methyl‐5‐phenyl(or phenyloxymethyl)isoxazolidines.
Authors: BENNETT G. A. , MULLEN G. B. , MITCHELL J. T. , JONES W. E. , ALLEN S. D. , KINSOLVING C. R. , GEORGIEV V. ST. 
Published: May 2016

AbstractThe in vitro antifungal activity of the title compounds (III) and (IV) is investigated.
ChemInform Abstract: Reaction of Ethyl Diethoxyacrylate with Alkynylalkoxycarbene Metal (Cr, W) Complexes: New Procedure for Preparation of 6‐Ethoxy‐2H‐pyrones.
Authors: CAMPS F. , MORETO J. M. , RICART S. , VINAS J. M. , MOLINS E. , MIRAVITLLES C. 
Published: May 2016

AbstractThe pentacarbonylmetal carbene complexes (I) react with the diethoxyacrylate (II) at room temperature to give a mixture of the complexes (III) and (IV).
ChemInform Abstract: Photochemically Induced Reaction of Pyridine‐2,4‐dicarbonitrile with Primary and Secondary Amines. A Direct Synthesis of Aminocyanopyridines.
Authors: BERNARDI R. , CARONNA T. , MORROCCHI S. , URSINI M. , VITTIMBERGA B. M. 
Published: May 2016

AbstractAs already reported, dinitrile (I) reacts via its triplet state with donors and here amines (II) (9 examples) act as the donors to give products (III) and (IV) in ratios ranging from 0.52 to 1.83 together with (V).
ChemInform Abstract: Synthesis, Antibacterial Activity, and Structure‐Activity Relationships of N‐Substituted 3‐Methyl‐4‐diazo‐5‐pyrazolecarboxamides.
Authors: BARALDI P. G. , BRIGIDI P. , CASOLARI A. , MANFREDINI S. , PERIOTTO V. , RECANATINI M. , ROBERTI M. , ROSSI M. 
Published: May 2016

AbstractThe fused piperazinedione (I) is cleaved upon treatment with the amines (II), producing the 4‐nitropyrazole‐5‐carboxamides (III).
ChemInform Abstract: A Short and Convenient Synthesis of 5‐Alkyl‐Substituted 8‐Hydroxyquinolines.
Authors: HOJJATIE M. , MURALIDHARAN S. , DIETZ M. L. , FREISER H. 
Published: May 2016

Abstract5‐Chloro‐8‐methoxyquinoline (I) is directly substituted with the alkyllithium agents (II) or lithiated with phenyllithium and then alkylated with the bromides (IV), producing the 5‐alkyl‐8‐methoxyquinolines (III).
ChemInform Abstract: Isolation and Characterization of Polydentate Ligands Derived from the Reaction of Pentaerythrityltetrabromide and Ethylenediamine.
Authors: MCAULEY A. , BEVERIDGE K. , SUBRAMANIAN S. , WHITCOMBE T. W. 
Published: May 2016

AbstractThe reaction of pentaerythrityltetrabromide (I) with ethylenediamine (II) yields the amines (III), (VI) and (VIII), which are isolated by separation of the corresponding Ni2+ complexes.
ChemInform Abstract: Platinum‐Complex‐Catalyzed Double Silylation of Ethylene and Norbornene with Disilanes.
Authors: HAYASHI T. , KOBAYASHI T. , KAWAMOTO A. M. , YAMASHITA H. , TANAKA M. 
Published: May 2016

AbstractDouble silylation of ethylene (II) with disilanes e.g. (I) proceeds in the presence of Pt(PPh3)4 to give 1,2‐bis(silyl)ethanes such as (III).
ChemInform Abstract: Synthesis and Structural Characterization of a Meerwein‐Ponndorf‐Verley/Oppenauer Redox Intermediate at a Tantalum(V) Center.
Authors: STRICKLER J. R. , BRUCK M. A. , WEXLER P. A. , WIGLEY D. E. 
Published: May 2016

AbstractThe alkyne adducts (I) and (IV) react with 1 equiv. of carbonyl compounds (II) and (V) to give the metallacyclic products (III) and (VI).
ChemInform Abstract: Complexes of Rhenium and Osmium with o‐Phenylenediamine and o‐Aminobenzenethiol. X‐Ray Crystal Structures of (Re(o‐(HN)2C6H4)3)(ReO4), Re(o‐(HN)2C6H4)3, Re(o‐(HN)2C6H4)2(o‐(HN)NC6H4), K(Re(o‐(HN)2C6H4)(o‐(HN)NC6H4)2), and M(o‐(HN)SC6H4)3 (M: Re or Os).
Authors: DANOPOULOS A. A. , WONG A. C. C. , WILKINSON G. , HURSTHOUSE M. B. , HUSSAIN B. 
Published: May 2016

AbstractThe Re complex (III) (P1, Z=4) can be reduced by Na to give the corresponding neutral Re(VI) species (65% yield) which crystallizes in P212121 with Z=4 and can be reoxidized by AgPF6 to the cation as its PF6 salt.
ChemInform Abstract: Transformation of Carbonyl Groups at Fe3(CO)10(μ3‐PR) into Carbene, Carbyne, and Alkyne Building Blocks.
Authors: BUCHHOLZ D. , HUTTNER G. , ZSOLNAI L. 
Published: May 2016

AbstractThe cluster (I) is transformed into the carbene‐functionalized clusters (IV) ((IVa): space group P21/c, Z=4) and (VI) ((VIa): P212121, Z=4; (VIb) P21/c, Z=4) under conditions of Fischer‐type carbene syntheses.
ChemInform Abstract: Synthesis and Complexation of 1,2‐Bis((monoaza(15)crown‐5)‐N‐yl)glyoxime. Crystal Structure of (1,2‐Bis((monoaza(15)crown‐5)‐N‐yl)glyoximato)palladium(II).
Authors: AHSEN V. , MUSLUOGLU E. , GUEREK A. + , GUEL A. + , BEKAROGLU OE. + , ZEHNDER M. 
Published: May 2016

AbstractThe title ligand (III) is prepared according to the scheme.
ChemInform Abstract: Selective C‐2 Acetylation of Steroidal Aromatic A Rings.
Authors: MIKHAIL G. , DEMUTH M. 
Published: May 2016

AbstractTreatment of the tricyclic ketone (I) with an excess of acetyl methanesulfonate (II) results in cleavage of the cyclopropane ring, cyclization, and acylation to produce the acetylbisnorestradiol monomesylate (III).
ChemInform Abstract: Compatibility of Thioamides with Reverse Turn Features: Synthesis and Conformational Analysis of Two Model Cyclic Pseudopeptides Containing Thioamides as Backbone Modifications.
Authors: SHERMAN D. B. , SPATOLA A. F. 
Published: May 2016

AbstractThe incorporation of thioamides within the backbone of linear peptides can produce subtle physical changes but has profound effects on biological activities.
ChemInform Abstract: New Enzymatic Approach to the Synthesis of Convenient Aspartic Acid Intermediates in Peptide Chemistry. Synthesis of N‐Benzyloxycarbonyl‐L‐aspartic Acid β‐Allyl Ester.
Authors: XAUS N. , CLAPES P. , BARDAJI E. , TORRES J. L. , JORBA X. , MATA J. , VALENCIA G. 
Published: May 2016

AbstractThe papain‐catalyzed selective hydrolysis of the diester (I) is optimized as shown in the scheme.
ChemInform Abstract: Ring Cleavage of N‐Acyl‐ and N‐(Acylsulfonyl)histamines with Di‐tert‐butyl Dicarbonate. A One‐Pot Synthesis of 4‐Acylamino‐ and 4‐Arylsulfonylamino‐1,2‐diaminobutanes.
Authors: WARSHAWSKY A. , ALTMAN J. , KAHANA N. , ARAD‐YELLIN R. , DESHE A. , HASSON H. , SHOEF N. , GOTTLIEB H. 
Published: May 2016

AbstractThe one‐pot synthesis of the title compounds (VIII) consists in consecutive acylation or sulfonylation of histamine (I), ring cleavage with di‐tert‐butyl dicarbonate (IV), followed by hydrogenation and removal of the Boc groups.
ChemInform Abstract: Preparation, Characterization, and Structure of N‐Methylated Derivatives of 1,3,5‐Triamino‐1,3,5‐trideoxy‐cis‐inositol: Polyalcohols with Unusual Acidity.
Authors: HEGETSCHWEILER K. , ERNI I. , SCHNEIDER W. , SCHMALLE H. 
Published: May 2016

AbstractThe title compound (IV) is prepared by modified literature procedures.
ChemInform Abstract: Some Radical Reactions of Exocyclic Carbohydrate Difluoro Enol Ethers.
Authors: MOTHERWELL W. B. , ROSS B. C. , TOZER M. J. 
Published: May 2016

AbstractRadicals, generated from the halides (II) or (V) by treatment with tributylstannane/AIBN, undergo addition reaction with the exocyclic difluoromethylene carbohydrates (I) or (IV) to produce the 1,1‐difluoroalkyl derivatives (III) or (VI).
ChemInform Abstract: Syntheses of Enantiomerically Pure 9(S)‐ and 9(R)‐HETE from D‐Mannitol. Use of a Malic Dialdehyde Equivalent.
Authors: SANIERE M. , LE MERRER Y. , BARBE B. , KOSCIELNIAK T. , DEPEZAY J. C. 
Published: May 2016

AbstractTwo methods are used for the synthesis of the esters (S)‐(XI) and (R)‐(XI) of the title compounds.
ChemInform Abstract: (.+‐.)‐Benzoabikoviromycin, a Potential Antiviral Agent Synthesized by the Palladium‐Catalyzed Ring Expansion of 2‐Alkynyl‐2‐hydroxybenzocyclobutenones.
Authors: MITCHELL D. , LIEBESKIND L. S. 
Published: May 2016

AbstractSince abikoviromycin (XIII), an antiviral and antifungal antibiotic from Streptomyces species, is highly unstable and polymerizes rapidly on isolation even at ‐50 °C, stable analogues for detailed studies are required.
ChemInform Abstract: 2,5‐Diaryl‐1,3,2‐dioxaborinanes: A New Series of Liquid Crystals.
Authors: MATSUBARA H. , SETO K. , TAHARA T. , TAKAHASHI S. 
Published: May 2016

AbstractThe influence of the terminal groups on the mesomorphic properties of title compounds such as (III) is discussed.
ChemInform Abstract: Isoelectronic Analogues of PN: Remarkably Stable Multiply Charged Cations.
Authors: WONG M. W. , RADOM L. 
Published: May 2016

AbstractAb initio calculations performed for PN and its 27 isoelectronic analogues indicate that the dication analogues, namely SO2+, NCl2+, PF2+ CAr2+, and SiNe2+ are experimentally observable species.
ChemInform Abstract: The Crystallization Kinetics of Glassy Alloys in the Cu‐As‐Se System
Authors: VAZQUEZ J. , LIGERO R. A. , VILLARES P. , JIMENEZ‐GARAY R. 
Published: May 2016

Abstracthaving the compositions CuxAs0.5‐xSe0.5 with x = 0.05, 0.1, and 0.2, are analyzed using DSC with continuous‐heating methods.
ChemInform Abstract: Chromyl Fluoride in Acidic and Basic Hydrogen Fluoride Solutions
Authors: BESIDA J. , O'DONNELL T. A. , ELLER P. G. 
Published: May 2016

Abstract(anhydrous HF containing either a Lewis acid such as SbF5, AsF5, TaF5 or NH4F) is studied by Raman spectroscopy and conductance measurements.
ChemInform Abstract: Coadsorption of Copper with Anions on Platinum(111): The Role of Surface Redox Chemistry in Determining the Stability of a Metal Monolayer.
Authors: WHITE J. H. , ABRUNA H. D. 
Published: May 2016

AbstractThe underpotential deposition (UPD) of Cu from aqueous H2SO4 solution on flame‐annealed Pt(111) electrodes is studied voltammetrically in the presence of Cl‐, Br‐, I‐, or S2‐.
ChemInform Abstract: A Temperature‐Programmed Reduction Study of Sulfided Co‐Mo/Al2O3 Hydrodesulfurization Catalysts.
Authors: SCHEFFER B. , DEKKER N. J. J. , MANGNUS P. J. , MOULIJN J. A. 
Published: May 2016

AbstractA comprehensive overview of the reduction behavior of sulfided Co/Al2O3, Mo/Al2O3, and Co‐Mo/Al2O3 hydrodesulfurization (HDS) catalysts is given by interpretation of temp.‐programmed reduction (TPR) studies.
ChemInform Abstract: 29Si and 27Al NMR Study of Zeolite Formation from Alkali‐Leached Kaolinites. Influence of Thermal Preactivation.
Authors: MADANI A. , AZNAR A. , SANZ J. , SERRATOSA J. M. 
Published: May 2016

AbstractNaOH leaching of kaolinites heated between 400 and 1000 °C results in the dissolution of kaolinite and formation of Al(OH)‐ 4 and SiO44‐ species which participate in the formation of zeolite nuclei.
ChemInform Abstract: The Weak Base ClO‐ 4 and the Chemistry of the Perchlorato Ligand. Synthesis and Structural Analysis of Germanium(IV) Complexes: GeCl3ClO4 (I), GeCl2(ClO4)2 (II), and (ClO2)2Ge(ClO4)6 (III).
Authors: FOURATI M. , CHAABOUNI M. , PASCAL J. L. , POTIER J. 
Published: May 2016

AbstractReaction of Cl2O6 with excess GeCl4 at room temp. yields a colorless liquid from which (I) and (II) can be separated by fractional distillation.
ChemInform Abstract: Synthesis and Structural Characterization of ((MoO)4O4(PO4)2)2‐: A New Layered Oxide Produced by Hydrothermal Synthesis.
Authors: CORCORAN E. W. JUN. 
Published: May 2016

Abstract(NH4(NPr4))((MoO)4O4(PO4)2) (I) is prepared in 96% yield by hydrothermal treatment of a solution of commercial molybdic acid and Pr4NBr in H3PO4/H2O (200 °C, autoclave, 14 d).
ChemInform Abstract: Electrolytically‐Induced Allene ‐ Alkyne Isomerizations.
Authors: STEMPLE J. Z. , PETERS D. G. 
Published: May 2016

AbstractThe preparative scale electrolysis of the allenes (I) in the presence of diethyl malonate as a proton donor results in the uptake of 2.0‐2.1 electron/molecule of (I).
ChemInform Abstract: Chemistry of Organosilicon Compounds. Part 259. Highly Stereoselective Allylation of Aldehydes with Pentacoordinate Allylsilicates in Hydroxylic Media. Discrimination Between Linear and α‐Branched Alkanals.
Authors: KIRA M. , SATO K. , SAKURAI H. 
Published: May 2016

AbstractAllylation of the aldehydes (II) with the silanes (I) and (V) in the presence of hydroxy compounds such as (III) leads to the corresponding homoallyl alcohols in regio‐ and stereospecific manner.
ChemInform Abstract: Facile Transformation of Substituted Allyl Malonates to Monocarboxylic Acids and Esters by the Reaction with Ammonium Formate Catalyzed by Palladium Complexes.
Authors: MANDAI T. , IMAJI M. , TAKADA H. , KAWATA M. , NOKAMI J. , TSUJI J. 
Published: May 2016

AbstractDiallyl malonates such as (I) are treated with formic acid in the presence of triethylamine and a Pd(II) catalyst to give the monocarboxylic acid (II).
ChemInform Abstract: Non‐Catalyzed Thermal Reactions of Acylquinones with Allylstannanes.
Authors: MARUYAMA K. , MATANO Y. 
Published: May 2016

AbstractThermal reactions of acylquinones such as (I) or (VII) with allylstannanes such as (II) in benzene afford several kinds of products, e.g. (III)‐(VI) or (VIII), (IX), (X).
ChemInform Abstract: Potassium Fluoride on Alumina: An Easy Preparation of Diazocarbonyl Compounds.
Authors: ALLOUM A. B. , VILLEMIN D. 
Published: May 2016

AbstractThe carbonyl compounds (I), (V), and (VII) with activated α‐methylene groups are converted to the corresponding diazo compounds (III), (VI), and (VIII) upon treatment with tosyl azide (II) in the presence of potassium fluoride on alumina.
ChemInform Abstract: Ketenimine Ylides in Reactions of Ketenimines with Dichlorocarbene. Synthesis of Carbamates.
Authors: KHLEBNIKOV A. F. , NOVIKOV M. S. , KOSTIKOV R. R. 
Published: May 2016

AbstractDichlorocarbene, thermally generated from sodium trichloroacetate (II), reacts with the ketenimines (I) to give the unstable ketenimine ylides (III).
ChemInform Abstract: Spirofluorenes. Part 5. Synthesis of Spirofluorenes Containing o‐Phenylene Group in Their System.
Authors: KAJIGAESHI S. , YAMAMOTO M. , WATANABE S. , HIROKAGA Y. , NISHIDA A. , FUJISAKI S. 
Published: May 2016

AbstractTreatment of the 9‐substituted fluorenes (I), (III), or (V) with bases yields the spirofluorenes (II), (IV), and (VI) containing an o‐phenylene group.
ChemInform Abstract: Ruthenium(II)‐Catalyzed Reactions of 1,4‐Epiperoxides.
Authors: SUZUKI M. , OHTAKE H. , KAMEYA Y. , HAMANAKA N. , NOYORI R. 
Published: May 2016

AbstractThermolysis of saturated epiperoxides such as (I) in the presence of Ru(II) catalysts gives product mixtures, e.g. (II) ‐ (V), arising from fragmentation, rearrangement, reduction, and/or disproportionation.
ChemInform Abstract: New General Asymmetric Synthesis of Versatile γ‐Alkylated Butenolides and Its Application to Expeditious Synthesis of the Chiral Geissman‐Waiss Lactones Useful for (+)‐Retronecine Synthesis.
Authors: NAGAO Y. , DAI W.‐M. , OCHIAI M. , SHIRO M. 
Published: May 2016

AbstractThe chiral tin(II) enolate (III) is prepared by treatment of the 1,3‐thiazolidine‐2‐thione (I) with tin(II) trifluoromethanesulfonate (II).
ChemInform Abstract: A Synthesis of Fused Butenolides.
Authors: LARSON G. L. , PRIETO J. A. , GONZALEZ P. 
Published: May 2016

AbstractThe Z‐configurated α‐siloxycycloalkylidenecarboxylates (I) are treated with hydrofluoric acid in acetonitrile/methylene chloride to undergo desilylation and cyclization, forming the fused butenolides (II).
ChemInform Abstract: Regiospecific Functionalization of Dimetalated (1‐Naphthyl)acetylene. Efficient Synthetic Procedures for Naphtho(2,1‐b)chalcophenes.
Authors: HANEKAMP J. C. , KLUSENER P. A. A. , BRANDSMA L. 
Published: May 2016

AbstractWhen 1‐ethynylnaphthalene (I) is consecutively treated with n‐butyllithium (II), potassium tert‐butoxide (III), and lithium bromide (IV), the dilithiated compound (V) is generated.
ChemInform Abstract: Nucleophilic Opening of Chiral Bis(aziridines): A Route to Enantiomerically Pure α‐Amino Aldehydes or Acids and Polysubstituted Piperidines.
Authors: DUREAULT A. , TRANCHEPAIN I. , DEPEZAY J.‐C. 
Published: May 2016

AbstractReaction of bis(aziridines) such as (I) derived from D‐mannitol with the carbon nucleophiles (II) leads in general to the ring‐opening of both aziridine rings, yielding bis(tosylamino) derivatives such as (III).
ChemInform Abstract: Synthesis and Pharmacological Properties of Amiridin Analogues.
Authors: ZHIDKOVA A. M. , BERLYAND A. S. , KNIZHNIK A. Z. , LAVRETSKAYA E. F. , ROBAKIDZE T. N. , SUKHANOVA S. A. , MUFAZALOVA T. P. 
Published: May 2016

AbstractThe amino heterocyclus (I), the base of the drug amiridin (I·HCl·H2O), is transformed into the derivatives (III), (V), and (IX) as shown in the reaction scheme.
ChemInform Abstract: Regio‐ and Stereoselectivity of the First (3 + 2)Cycloaddition of Carbonyl Oxide to Electron‐Poor Alkenes. Bidirectionality of the 1,3‐Dipole.
Authors: GRAZIANO M. L. , IESCE M. R. , CERMOLA F. , GIORDANO F. , SCARPARTI R. 
Published: May 2016

AbstractPhotooxidation of the furan (I) yields the trioxabicycloheptene (II) which undergoes thermal rearrangement to produce the compounds (III) ‐(VI).
ChemInform Abstract: Reaction of Representative 2‐Acyl‐1,3‐dithianes with Alkylating and Acylating Agents.
Authors: FETIZON M. , GOULAOUIC P. , HANNA I. 
Published: May 2016

Abstract2‐Cyclohexanecarbonyl‐1,3‐dithiane (I) is deprotonated with LDA and then treated with the alkylation agents (II) to form the 2,2‐disubstituted dithianes (IIIa) ‐ (IIId).
ChemInform Abstract: Condensed Thienopyrimidines. Part 1. Synthesis and Gastric Antisecretory Activity of 2,3‐Dihydro‐5H‐oxazolothienopyrimidin‐5‐one Derivatives.
Authors: SUGIYAMA M. , SAKAMOTO T. , TABATA K. , ENDO K. , ITO K. , KOBAYASHI M. , FUKUMI H. 
Published: May 2016

AbstractThe antisecretory activity of the title compounds (VII), (XI), (XIII), and (XVI), synthesized by base‐induced cyclization of N‐thienyl‐N'‐(2‐haloethyl)ureas, is tested in pylorus‐ligated rats.
ChemInform Abstract: Reaction of Uracils with Trimethyl Phosphates and Sodium Diphenyl Phosphate.
Authors: KUZ'MENKO I. I. , BOBKOV V. N. , ZVOLINSKAYA T. V. 
Published: May 2016

AbstractReaction of the uracils (I) with trimethyl phosphate (II) gives the corresponding 1‐methylated derivatives only if R is a electron‐withdrawing substituent.