bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Syntheses of 1,4‐Oxazepines, 1,4‐Diazepines, and Their 5‐Oxo Derivati‐ACHTUNG: ABSCHALTUNG PORTSELEKTOR Q18 FUER CA. 15 MIN. IN KUERZE ] ves from 2‐Pyridones.
Authors: KURITA J. , YONEDA T. , KAKUSAWA N. , TSUCHIYA T. 
Published: May 2016

AbstractPhotolytic valenzisomerization of the 2‐pyridones (I) followed by N‐silylation of the 3‐oxo‐2‐azabicyclo(2.2.0)hex‐5‐enes (II) yields the bicyclic N‐silylazetidinones (IV) which are transformed into the epoxide or aziridine derivatives (V).
ChemInform Abstract: Synthesis of 9,9‐Dimethyl‐9‐silaacridane and of Some Derivatives with Varied N‐Side Chains.
Authors: WANNAGAT U. , WIESE D. 
Published: May 2016

AbstractIn the course of pharmacological investigations, the title compounds (IV), (VI), (IXa) (space group P21/a with Z = 8), (IXb) and (IXc) are prepared.
ChemInform Abstract: Oxophospholes from the Alkoxyphosphonium Ylides Formed in the Reaction of Trialkyl Phosphites or Dialkyl Phosphonites with Dimethyl Acetylenedicarboxylate.
Authors: CAESAR J. C. , GRIFFITHS D. V. , TEBBY J. C. 
Published: May 2016

AbstractThe title reaction between (Ia)‐(Ic) and (II) affords the cyclic ylides (III) which are protonated and dealkylated in the presence of HBr to give the compounds (IV).
ChemInform Abstract: Chemistry of Polyfunctional Molecules. Part 99. Hydrolysis and Oxidative Hydrolysis of Tetrakis((diiodarsino)methyl)methane. X‐ray Structure Determination of an Organoarsenic Oxide‐Arsonous Acid Compound.
Authors: ELLERMANN J. , BREHM L. , KOECK E. + , LINDNER E. , HILLER W. , FAWZI R. 
Published: May 2016

AbstractBasic hydrolysis of the tetrakis(arsinomethyl)methane (I) leads to the formation of the trioxatriarsaadamantylmethylarsonous acid (II), the structure of which is determined by X‐ray crystallography of the H/D exchanged product.
ChemInform Abstract: Synthetic Microbial Chemistry. Part 17. Synthesis of the Complement Inhibitor (‐)‐K‐76 and of Related Compounds.
Authors: MORI K. , KOMATSU M. 
Published: May 2016

AbstractThe diester (II) is transformed to the isomeric compounds (IIIa) and (IIIb); analogously, the isomers (Va) and (Vb) are obtained from the (II)‐analogue (IV).
ChemInform Abstract: Instability of the Characteristics of the Positive Temperature Coefficient of Resistivity in High‐Curie‐Point Barium‐Lead Titanate Ceramics and Their Grain Structures.
Authors: KUWABARA M. , NAKAO K. , OKAZAKI K. 
Published: May 2016

AbstractThe microstructure of two types of samples of the title ceramics, one showing a significant isothermal resistivity change and the other exhibiting only little resistivity change in the temp. region of the Curie point, are examined in terms of grain size, grain shape, and interconnecting morphology of the sintered grains.
ChemInform Abstract: Onium Ions. Part 36. The Tetrahydridosulfonium Dication, H4S2+. Hydrogen‐Deuterium Exchange of DH2S+ in FSO3D:SbF5 and D2HS+ in FSO3H:SbF5 and Theoretical Calculations.
Authors: OLAH G. A. , PRAKASH G. K. S. , MARCELLI M. , LAMMERTSMA K. 
Published: May 2016

Abstract1H NMR spectroscopic results show that isotopomeric hydridosulfonium ions undergo proton/deuterium exchange in the title solutions.
ChemInform Abstract: Crystal Structure of a New Form of Copper(II)‐Inosine 5′‐Monophosphate‐2,2′‐Dipyridylamine Ternary Complex.
Authors: GIORGI G. , CINI R. 
Published: May 2016

AbstractTwo crystalline forms of the title complex are obtained from aqueous solution at pH 6.2, both crystallizing in P21 with Z=2 with different cell parameters.
ChemInform Abstract: Synthesis and Chemistry of Perfluoro‐2‐iodo‐2‐methylalkanes.
Authors: PROBST A. , RAAB K. , ULM K. , VON WERNER K. 
Published: May 2016

AbstractStarting with the perfluoroalkenes (I), the perfluoro‐tert‐alkyl iodides (II) are prepared using two different methods.
ChemInform Abstract: Acylation of Cyanoacetic Ester with Dicarboxylic Dichlorides ClCO(CH2)nCOCl Under Phase‐Transfer Conditions.
Authors: SIZOV A. YU. , KADENTSEV V. I. , BOGDANOV V. S. , YANOVSKAYA L. A. , DOMBROVSKII V. A. 
Published: May 2016

AbstractThe title reaction gives the bis‐diacyl derivatives (III) in the enol form.
ChemInform Abstract: Specific Intramolecular ortho Photocycloaddition of Substituted 4‐Phenoxybut‐1‐enes.
Authors: COSSTICK K. B. , DREW M. G. B. , GILBERT A. 
Published: May 2016

AbstractPhotolysis of the p‐cyanophenyl homoallyl ether (I) gives the unstable cycloadduct (II) which undergoes isomerization to form a mixture of the cyclooctatriene (III) and the tricyclic tetrahydrofuran (IV).
ChemInform Abstract: X=Y‐ZH Systems as Potential 1,3‐Dipoles. Part 15. Amine Generated Azaallyl Anions versus Metallo‐1,3‐dipoles in Cycloadditions of α‐Amino Acid Esters. Facile Regio‐ and Stereospecific Formation of Pyrrolidines.
Authors: BARR D. A. , GRIGG R. , GUNARATNE H. Q. N. , KEMP J. , MCMEEKIN P. , SRIDHARAN V. 
Published: May 2016

Abstract1. Kinetic studies of the deprotonation of arylidene imines such as (Ia), (Ib) (as well as those with Ar: p‐nitrophenyl, p‐anisyl, p‐dimethylaminophenyl) by tert. amines and pyridine and cycloaddition of the respective resulting 4π‐azaallyl anions to the dipolarophile (IV) show the expected dependance on the p‐substituent in the aryl ring, e.g. p‐NO2 > H > p‐O‐Me > p‐NMe2.
ChemInform Abstract: Rearrangements of Pinacolone in the Ritter Reaction.
Authors: BORODAEV S. V. , ZUBKOVA O. V. , LUK'YANOV S. M. 
Published: May 2016

AbstractA novel type of retro‐pinacolone rearrangement is observed in the reactions between pinacolone (I) and benzonitrile (II), which afford the oxadiazine (V) or the oxazoline (VI), depending on the reaction conditions.
ChemInform Abstract: Cholecystokinin Antagonists. Synthesis and Biological Evaluation of 4‐Substituted 4H‐(1,2,4)Triazolo(4,3‐a)(1,4)benzodiazepines.
Authors: BOCK M. G. , DIPARDO R. M. , EVANS B. E. , RITTLE K. E. , VEBER D. F. , FREIDINGER R. M. , CHANG R. S. L. , LOTTI V. J. 
Published: May 2016

AbstractThe thioketones (I), prepared from the corresponding ketones with Lawesson's reagent, react with hydrazine (II) to give the hydrazones (III) which undergo cyclocondensation with the orthoesters (IV) to form the triazolobenzodiazepines (V).
ChemInform Abstract: The Synthesis and Some Applications of New 1,3‐Dilithiopropanes: Dimethylbis(α‐lithiobenzyl)silane and Its Germanium Analogue.
Authors: AKKERMAN O. S. , BICKELHAUPT F. 
Published: May 2016

AbstractBenzyl bromide (I) is converted into the thioether (III) and then lithiated.
ChemInform Abstract: Metal Atom Synthesis of Metallaborane Clusters. Part 9. Synthesis and Structural Characterization of iso‐8‐(η‐C5H5)CoB17H21.
Authors: KANG S. O. , SNEDDON L. G. 
Published: May 2016

AbstractThe title compound (I) is obtained by reaction of Co vapor with cyclopentadiene and n‐B18H22 in low yield.
ChemInform Abstract: Synthesis and Rearrangement of Homoserine Derivatives.
Authors: BALDWIN J. E. , NORTH M. , FLINN A. 
Published: May 2016

AbstractThe reduction of the aspartic acid derivative (Ia) with diisobutyl‐AlH affords the L‐homoserine lactone (II); (Ib) or (Ic) likewise give (II) on reduction.
ChemInform Abstract: From Aziridines to Carbapenems via a Novel β‐Lactam Ring Closure: An Enantioselective Synthesis of (+)‐PS‐5.
Authors: TANNER D. , SOMFAI P. 
Published: May 2016

AbstractThe synthesis of the chiral acid (VII), a known intermediate for the title compound (VIII), is described starting from the Sharpless epoxy alcohol (I).
ChemInform Abstract: Ozonolysis of Alkenes and a Study of the Reactions of Polyfunctional Compounds. Part 34. Regiospecific Synthesis of Diastereomeric (.+‐.)‐7,11‐Dimethyloctadecane and (.+‐.)‐17,21‐Dimethylheptatriacontane.
Authors: ODINOKOV V. N. , AKHMETOVA V. R. , SAVCHENKO R. G. , VYRYPAEV E. M. , TOLSTIKOV G. A. 
Published: May 2016

AbstractA novel synthesis of the title compounds (IXa) and (IXb) is described.
ChemInform Abstract: Methoxy(phenylthio)methane as an Ambi‐Equivalent of a Methoxy‐ or Phenylthiomethylene 1,1‐Dipole.
Authors: SATO T. , OKURA S. , OTERA J. , NOZAKI H. 
Published: May 2016

AbstractMethoxy(phenylthio)methane (I) reacts with butyllithium and the halides (II) to give the substitution products (III).
ChemInform Abstract: Investigations of Calcium Silicate Hydrate Structure Using 29Si NMR Spectroscopy.
Authors: YOUNG J. F. 
Published: May 2016

AbstractFT (Fourier transform) and CP (cross‐polarization) 29Si NMR is used to study the effects of temp. and the addition of reactive silica on the structure of amorphous calcium silicate hydrate (C‐S‐H), produced by hydration of alite, Ca3SiO5.
ChemInform Abstract: Kinetics of Base Hydrolysis of (Nitrato)pentaamminecobalt(III): Stability and Reactivity of Its Ion Pairs with Perchlorate and Azide.
Authors: ROTZINGER F. P. 
Published: May 2016

AbstractThe kinetics of base hydrolysis of the title complex are studied in aqueous LiOH, NaOH, and KOH at 25 °C and variable ionic strength (0.01 < I ≤ 0.8), in the absence and presence of ClO4‐ and N3‐.
ChemInform Abstract: Preparation and Crystal Structure of Rb2Sb4S7.
Authors: SHELDRICK W. S. , HAEUSLER H.‐J. + 
Published: May 2016

AbstractThe preparation of single crystals of the title compound (III) is achieved for the first time by methanolothermal reaction of Rb2CO3 with Sb2S3 at 140 °C. Rb2Sb4S7 crystallizes in a hitherto unknown structural type.
ChemInform Abstract: Synthesis and Vibrational Spectra of Dioxouranium(VI), Th(IV), Zr(IV), and Oxozirconium(IV) Chlorosulfates and Their Complexes with Some Organic Donors.
Authors: ZAIDI S. A. A. , ZAIDI S. R. A. , SHAHEER S. A. , KHAN T. A. 
Published: May 2016

AbstractThe title compounds UO2(SO3Cl)2, Th(SO3Cl)4, Zr(SO3Cl)4, and ZrO(SO3Cl)2 are obtained from the solvolytic reaction of the corresponding anhydrous acetates and HSO3Cl.
ChemInform Abstract: Equilibrium Structure, Stabilized Transition State, or Disorder in the Crystal? A Low Temperature X‐Ray Analysis of the Antiaromatic Systems Tetra‐tert‐butyl‐s‐indacene (I) and Tetra‐tert‐butylcyclobutadiene (II).
Authors: DUNITZ J. D. , KRUEGER C. + , IRNGARTINGER H. , MAVERICK E. F. , WANG Y. , NIXDORF M. 
Published: May 2016

AbstractAn analysis of the anisotropic displacement parameters is given using experimental X‐ray data for (I) (space group P21/n with Z=2 at 100 K) and literature data for (II) (at 123 K).
ChemInform Abstract: Carbanion‐Accelerated Claisen Rearrangements. Part 4. Asymmetric Induction via 1,3,2‐Oxazaphosphorinanes.
Authors: DENMARK S. E. , MARLIN J. E. 
Published: May 2016

AbstractThe oxazaphosphorinanes (IX) are prepared from the 3‐hydroxybutylamines (VI) and the propargylic alcohols (VIII).
ChemInform Abstract: Overtone Vibrational Photochemistry of Quadricyclane.
Authors: LISHAN D. G. , REDDY K. V. , HAMMOND G. S. , LEONARD J. E. 
Published: May 2016

AbstractThe excitation of the ν = 4‐7 C‐H overtones of quadricyclane (I) involves excitation energies greater than the activation energy of ring‐opening leading to the C7 species (II)‐(IV) and the retro‐Diels‐Alder products (V) and (VI).
ChemInform Abstract: Electrophilic Reactions at Single Bonds. Part 22. Superacid‐Catalyzed Electrophilic Formylation of Adamantane with Carbon Monoxide Competing with Koch‐Haaf Carboxylation.
Authors: FAROOQ O. , MARCELLI M. , PRAKASH G. K. S. , OLAH G. A. 
Published: May 2016

AbstractAccording to the 6 conditions given in the scheme, the yield of aldehyde (Ib) increases from 0.2% to 21% on the expense of the major Koch‐Haaf product (Ic).
ChemInform Abstract: Gas‐Phase Thermal Reactions of 18F Atoms with cis‐1‐Chloropropene and trans‐1‐Chloropropene.
Authors: ROGERS P. J. , ROWLAND F. S. 
Published: May 2016

AbstractThe title reaction of 18F atoms moderated to thermal energies is characterized by terminal addition to the π bond with subsequent loss of Cl leading to (II) and (III).
ChemInform Abstract: Asymmetric Synthesis Catalyzed by Chiral Ferrocenylphosphine. Transition‐Metal Complexes. Part 5. Palladium‐Catalyzed Asymmetric Allylation of Active Methine Compounds.
Authors: HAYASHI T. , KANEHIRA K. , HAGIHARA T. , KUMADA M. 
Published: May 2016

AbstractCatalytic asymmetric allylation of the sodium enolates of β‐diketones such as (I) with allyl acetate (II) is investigated.
ChemInform Abstract: Immonium Ion Based Synthetic Methodology: A Novel Method for the N‐Methylation of Dipeptides and Amino Acid Derivatives via Retro Aza Diels‐Alder Reactions.
Authors: GRIECO P. A. , BAHSAS A. 
Published: May 2016

AbstractThe amino acid esters (II) react with formaldehyde (III) to give an intermediate iminium ion which undergoes cycloaddition reaction with cyclopentadiene (I), producing the azanorbornene derivatives (IV).
ChemInform Abstract: 2,4‐Dimethylenetricyclo(3.3.0.03,7)octane and 2,9‐Dimethylenetricyclo‐(4.3.0.03,8)nonane. Synthesis and Through‐Space Interactions.
Authors: GLEITER R. , KISSLER B. 
Published: May 2016

AbstractThe title compounds (Va) and (Vb) are prepared from the ketones (Ia) and (Ib) as outlined in the reaction scheme.
ChemInform Abstract: Pyrrolidine and α‐Methylene‐γ‐lactam from the Cyclization of α‐(Alkylaminoethyl)acrylate: Synthesis of Aza‐Sarkomycins.
Authors: TARNCHOMPOO B. , THEBTARANONTH C. , THEBTARANONTH Y. 
Published: May 2016

Abstract2,3‐Di(methoxycarbonyl)‐1,3‐butadiene reacts with the primary amines (II) in various solvents at ambient temperature to give mixtures of the adduct (III) and the pyrrole derivatives (IV) and (V).
ChemInform Abstract: Synthesis and Characterization of Isomeric 2,3,3a,4‐Tetrahydro‐1H‐pyrrolo(1,2‐a)benzimidazol‐1‐ones from 1,2‐Phenylenediamines and 3‐Acylpropionic Acids.
Authors: CHIMIRRI A. , GRASSO S. , MONFORTE P. , ROMEO G. , ZAPPALA M. 
Published: May 2016

Abstract4‐Methyl‐ (Ia) and 4‐chloro‐1,2‐phenylenediamine (Ic) react with the β‐acylpropionic acids (II) to give the tetrahydropyrrolobenzimidazolones (IIIa) and (IIIc) as the main products.
ChemInform Abstract: 1,3 Dipolar Cycloadditions of Azomethine Ylides with Aromatic Aldehydes. Syntheses of 1‐Oxapyrrolizidines and 1,3‐Oxazolidines.
Authors: ORSINI F. , PELIZZONI F. , FORTE M. , DESTRO R. , GARIBOLDI P. 
Published: May 2016

AbstractReaction of proline (I) with aldehydes (II) in DMSO followed by chromatographic work‐up yields the stereoisomeric oxapyrrolizidine derivatives (IIIa)‐(IIIe) and (IVa), (IVb), (IVe) by cycloaddition of an azomethine ylide intermediate with another equiv. of the carbonyl component acting as dipolarophile.
ChemInform Abstract: Convergent Functional Groups: Catalysis of Hemiacetal Cleavage in a Synthetic Molecular Cleft.
Authors: WOLFE J. , NEMETH D. , COSTERO A. , REBEK J. JUN. 
Published: May 2016

AbstractWhereas the divergent diacid (IIIb) shows poor efficiency, the convergent stereoisomer (IIIa) is an effective catalyst for the dissociation of glycoaldehyde dimer (IV) (via intermediates) to the monomer (V) (kinetics).
ChemInform Abstract: Transacetalization of Triols with Dimethoxymethane. Selectivity and Synthetic Applications.
Authors: GRAS J.‐L. , NOUGUIER R. , MCHICH M. 
Published: May 2016

AbstractTransacetalization of various triols such as (I), (IV), and (VII) with dimethoxymethane (II) yields cyclic hydroxy acetals such as (III), (V), and (VI) or (VIII).
ChemInform Abstract: Generation of Singlet Diatomic Sulfur from 9,10‐Epidithio‐9,10‐dihydroanthracene.
Authors: ANDO W. , SONOBE H. , AKASAKA T. 
Published: May 2016

Abstract9,10‐Dimercapto‐9,10‐dihydroanthracene (Ib), which is prepared from the dibromide (Ia), reacts with p‐anisaldehyde (II) to give the dithioacetal (IIIa).
ChemInform Abstract: 1,3‐Dioxolo(4,5‐g)thiadiazolo(2,3‐b)quinazolin‐7‐one.
Authors: GAKHAR H. K. , KAUR R. , GILL J. K. 
Published: May 2016

AbstractReaction of the (chloromethyl)nitrobenzene (I) with the hydrazinecarboxylate (II) gives the derivative (III) which is reduced to yield the amino compound (IV).
ChemInform Abstract: Chemical and Catalytic Reductive Isomerization of (1,3)Oxazino(2,3‐a)isoquinolines to (1,3)Oxazino(3,2‐b)isoquinolines.
Authors: CAMPAGNA F. , CAROTTI A. , CASINI G. 
Published: May 2016

AbstractTreatment of the tetracyclic oxazinoisoquinolines (I) with sodium borohydride results in formation of the alcohols (II) or the hexahydrooxobenzoxazinoisoquinolines (IIIb).
ChemInform Abstract: Electronic Properties of Phosphazene Substituents on Ferrocene.
Authors: SARACENO R. A. , RIDING G. H. , ALLCOCK H. R. , EWING A. G. 
Published: May 2016

AbstractIn order to establish the electronic structure of ferrocene‐substituted phosphazenes, some thermodynamic data and the oxidation‐reduction chemistry (cyclic voltammetry) are investigated.
ChemInform Abstract: Synthesis of Cobalt Complexes Containing Iminophosphino Ligands. Reactivity and Structure of (LCo(SO2))ClO4·C2H5OH (L: N,N′‐Bis(o‐(diphenylphosphino)benzylidene)‐o‐phenylenediamine).
Authors: GHILARDI C. A. , MIDOLLINI S. , MONETI S. , ORLANDINI A. , SCAPACCI G. 
Published: May 2016

AbstractWhen SO2 gas is bubbled through a solution of the cobalt complexes of the ligands (I), a spontaneous redox process takes place and the air‐sensitive, diamagnetic complexes (IV) are formed.
ChemInform Abstract: An Asymmetric Intramolecular Michael Reaction. Construction of Chiral Building Blocks for the Synthesis of Several Alkaloids.
Authors: HIRAI Y. , TERADA T. , YAMAZAKI T. 
Published: May 2016

AbstractThe ester (II) which is readily available from the starting compound (I) is stereoselectively cyclized to the enantiomers (III) or (VII) using (R)‐(+)‐ or (S)‐(‐)‐phenylethylamine as chiral bases.
ChemInform Abstract: Crystal Structure of the SF‐ 5 Anion.
Authors: BITTNER J. , FUCHS J. , SEPPELT K. 
Published: May 2016

AbstractThe carbanion SF5‐C(CF3)2‐, easily obtainable from SF5‐C(CF3)=CF2 and CsF or RbF, resp., slowly decomposes to yield SF5‐ and (CF3)2C=C(CF3)2.
ChemInform Abstract: Crystal Structure of Cu7(OH)6(TeO3)2(SO4)2.
Authors: PERTLIK F. , ZEMANN J. 
Published: May 2016

AbstractThe new title compound, synthesized under hydrothermal conditions (Te, Na2S·9 H2O, Cu(NO3)2; 500 K, saturation vapor pressure), crystallizes in the space group P1 with Z=1.
ChemInform Abstract: In situ Raman Spectroscopy Combined with X‐Ray Photoelectron Spectroscopy and Nuclear Microanalysis for Studies of Anodic Corrosion Film Formation on Fe‐Cr Single Crystals.
Authors: THIERRY D. , PERSSON D. , LEYGRAF C. , DELICHERE D. , JOIRET S. , PALLOTTA C. , HUGOT‐LE GOFF A. 
Published: May 2016

AbstractIt is demonstrated that Raman spectroscopy can be applied under in situ conditions to study anodic corrosion films of varying thickness formed under controlled potentiostatic conditions in alkaline solutions.
ChemInform Abstract: Rechargeable Solid‐State Li Batteries Utilizing Polyphosphazene‐Poly(Ethylene Oxide) Mixed Polymer Electrolytes.
Authors: ABRAHAM K. M. , ALAMGIR M. , PERROTTI S. J. 
Published: May 2016

AbstractLi/TiS2 cells are fabricated using polyethylene oxide (PEO)/poly(bis(methoxyethoxyethoxide)phosphazene) (MEEP) mixed electrolytes sandwiched between a Li foil anode and a TiS2 composite cathode.
ChemInform Abstract: Study of HSO‐ 4 and SO2‐ 4 Co‐Adsorption on a Platinum Electrode in Sulfuric Acid by in‐situ FT‐IR Reflection Absorption Spectroscopy.
Authors: KUNIMATSU K. , SAMANT M. G. , SEKI H. , PHILPOTT M. R. 
Published: May 2016

AbstractThe in‐situ IR spectroscopic results obtained for a polycrystalline Pt electrode in 0.05 M H2SO4 clearly show the coadsorption of HSO4‐ and SO42‐.
ChemInform Abstract: Synthesis and Electric Conductivity of a Solid Electrolyte of the NASICON Type.
Authors: BUKUN N. G. , DOMASHNEV I. A. , MOSKVINA E. I. , UKSHE E. A. 
Published: May 2016

AbstractThe title compound (V) is prepared by heating stoichiometric mixtures of the components (I)‐(IV) to 1230 °C. Phosphates of Na and Zr are found to be intermediates.
ChemInform Abstract: IR Spectroscopic Investigation of the Adsorption States of 1‐Butene, 1,3‐Butadiene, Furan, 2,5H‐Furanone, and Maleic Anhydride on Alumina‐Supported V2O5
Authors: RAMSTETTER A. , BAERNS M. 
Published: May 2016

AbstractP2O5 Catalyst.
ChemInform Abstract: Construction of Four Consecutive Asymmetric Centers. Part 1. anti‐ and syn‐Selective Epoxidation of β‐Methyl‐cis‐homoallylic Alcohols.
Authors: HANAMOTO T. , KATSUKI T. , YAMAGUCHI M. 
Published: May 2016

AbstractThe diastereomeric epoxy alcohols (VIa), (VIb), (IXa), and (IXb) are synthesized as outlined in the reaction scheme, the latter are obtained in the form of their triisopropylsilyl ethers.
ChemInform Abstract: Construction of Four Consecutive Asymmetric Centers. Part 2. Regioselective Epoxide‐Ring Opening of γ,δ‐cis‐Epoxy‐β‐methyl Alcohols by Alkylation.
Authors: HANAMOTO T. , KATSUKI T. , YAMAGUCHI M. 
Published: May 2016

AbstractRing opening of the diastereomeric epoxides (I) by reaction with the complex cuprates (II) leads to the formation of all possible eight diastereomers of (III), containing four consecutive asymmetric centers, together with the compounds (IV) in two cases.
ChemInform Abstract: Organic Reactions in Liquid Crystalline Solvents. Part 6. Regiochemical Control of Bimolecular Chemical Reactivity in Smectic and Cholesteric Liquid Crystals.
Authors: LEIGH W. J. , MITCHELL D. S. 
Published: May 2016

AbstractThe reaction of the cholestane derivative (I) with the maleimide (II) in benzene, in the cholesteric and isotropic phases of two steroidal esters, in the smectic phase of 4‐(trans‐pentylcyclohexyl)‐4'‐(propylcyclohexyl)biphenyl (S1544), and in the isotropic phase of another mesogenic alkylbiphenyl derivative (S1409) is investigated.
ChemInform Abstract: Bicyclopropylidene: Cycloadditions onto a Unique Olefine.
Authors: DE MEIJERE A. , ERDEN I. , WEBER W. , KAUFMANN D. 
Published: May 2016

AbstractThe bicyclopropylidene (I) reacts with the dienes (II) to form the (2 + 2)‐cycloaddition products (III) and the (2 + 4)‐adducts (IV).
ChemInform Abstract: Reactions of Enamines. Part 18. Rearrangement of Five‐Membered Heterocyclic Enamines.
Authors: CERVINKA O. , FABRYOVA A. , JURSIK T. 
Published: May 2016

AbstractAddition of Br2 to (I) and subsequent treatment with NaOH affords the unstable (II) which after IR identification are reduced to the mixture of diastereomers (III).
ChemInform Abstract: Photochemistry of Arylsubstituted Sydnones. Part 4. Photochemistry of Arylsubstituted 2H‐Tetrazoles. Part 8. Reaction of Nitrilimines with Phenols.
Authors: CSONGAR C. , GRUBERT L. , TOMASCHEWSKI G. 
Published: May 2016

AbstractIn the presence of phenols, e.g. (III), the thermolysis of 2,5‐diphenyl‐2H‐tetrazole (I) yields the hydrazides (IV).
ChemInform Abstract: A Peroxide Model Reaction for Placental Aromatase.
Authors: COLE P. A. , ROBINSON C. H. 
Published: May 2016

AbstractThe oxidation of the 10β‐formyl dienol ether (I) with H2O2 results in rather slow but smooth aromatization affording the doubly protected estrogen derivative (II) via a presumed 19‐hydroxy‐19‐hydroperoxy intermediate.
ChemInform Abstract: Synthetic Applications of Di‐2‐pyridyl Thionocarbonate as a Dehydration, a Dehydrosulfuration, and a Thiocarbonyl‐Transfer Reagent.
Authors: KIM S. , YI K. Y. 
Published: May 2016

AbstractThe title reagent (II) is successfully utilized for the esterification of carboxylic acids, such as (I), for the transformation of amines, e.g. (V), to isothiocyanates and for the conversion of diols like (VII) to cyclic thionocarbonates.
ChemInform Abstract: Cyclopropanation of Spherical Hydrocarbons without Need for Prior Olefination. The Synthesis of Cyclopropadodecahedranes.
Authors: PAQUETTE L. A. , KOBAYASHI T. , GALLUCCI J. C. 
Published: May 2016

AbstractCyclopropanation of dodecahedrane (I) is achieved via (III) to give the parent title compound (IV) or its derivatives (VI).
ChemInform Abstract: Ylide Rearrangement of Benzyltrialkylammonium Salts: The Improved Sommelet‐Hauser Rearrangement. Part 2.
Authors: SHIRAI N. , SATO Y. 
Published: May 2016

AbstractThe trimethylsilylmethyl‐substituted ammonium salts (III) are prepared on two conventional methods as outlined in the reaction scheme.
ChemInform Abstract: Ruthenium Complex Catalyzed Intermolecular Hydroacylation of Olefins.
Authors: KONDO T. , TSUJI Y. , WATANABE Y. 
Published: May 2016

AbstractThe hydroacylation of the olefins (II) with aldehydes (I) in the presence of Co(III) is catalyzed with Ru(0) complex catalysts to produce the ketones (IV).