bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: General Synthetic Route to the Dirhenium Octahydrides Re2H8(PR3)4 from the Triply Bonded Complexes Re2Cl4(PR3)4. An Unexpected Structure for the Complex Re2H8(dppm)2 (dppm: Ph2PCH2PPh2).
Authors: FANWICK P. E. , ROOT D. R. , WALTON R. A. 
Published: May 2016

AbstractThe conditions A) represent a general route to the dirhenium octahydrides (II).
ChemInform Abstract: Regio‐ and Stereoselective Palladium‐Catalyzed Functionalization of Dienes. Synthesis of (.+‐.)‐Sativene.
Authors: ANTONSSON T. , MALMBERG C. , MOBERG C. 
Published: May 2016

AbstractPd‐catalyzed coupling of 1,3‐butadiene (I) with the allylamine (II) gives the aminotriene (III).
ChemInform Abstract: Allenic Cholesteryl Derivatives as Inhibitors of Ecdysone Biosynthesis.
Authors: BURGER A. , ROUSSEL J.‐P. , HETRU C. , HOFFMANN J. A. , LUU B. 
Published: May 2016

AbstractThe compounds (III), (V), (VIIa) and (VIIb) are prepared in order to obtain substances which prevent the C‐22 hydroxylation in the biosynthesis of the insect molting hormone ecdysone (VIII), since the C‐22 hydroxylation is required for the molting effect.
ChemInform Abstract: Alkylation of Epoxides of 1,6‐Anhydropyranoses.
Authors: MAGDZINSKI L. , FRASER‐REID B. 
Published: May 2016

AbstractWith a view to developing routes to useful chiral synthons in natural product synthesis, the regioselectivity of the reaction of the title compounds (I), (IV) and (VIII) with some organometallic reagents (e.g.
ChemInform Abstract: Practical Synthesis of Deoxymannojirimycin and Mannonolactam from L‐Gulonolactone. Synthesis of L‐Deoxymannojirimycin and L‐Mannonolactam from D‐Gulonolactone.
Authors: FLEET G. W. J. , RAMSDEN N. G. , WITTY D. R. 
Published: May 2016

AbstractStarting from L‐gulonolactone (I) the deoxymannojirimycin (VIII) is prepared in eight steps in 25% overall yield.
ChemInform Abstract: Complex Copper(II) Fluorides. Part 10. The Ternary System BaF2‐CuF2‐InF3.
Authors: SAMOUEL M. , DE KOZAK A. , RENAUDIN J. , FEREY G. 
Published: May 2016

AbstractThe liquid‐solid equilibria diagram of the binary InF3‐BaF2 system is determined by DTA.
ChemInform Abstract: pH Measurement in Strong KOH Solutions with a Bismuth Electrode.
Authors: EINERHAND R. E. F. , VISSCHER W. H. M. , BARENDRECHT E. 
Published: May 2016

AbstractThe aim of the investigation reported is to develop a pH indicating electrode of small dimensions usable in KOH solutions of pH 14‐16. Freshly prepared Pt/Bi and Pt/Bi/BiOx electrodes show a linear E‐pH curve, whose slope alters with time.
ChemInform Abstract: Reaction of Hydrogen Peroxide with Metal Complexes. Part 10. Formation Kinetics of Peroxovanadium(V) Complexes in Strongly Acidic Media as Studied by a High‐Pressure Stopped‐Flow Technique.
Authors: FUNAHASHI S. , ISHIHARA K. , INAMO M. , TANAKA M. 
Published: May 2016

AbstractThe kinetics of the reactions outlined in the scheme are studied under pseudo‐first‐order conditions (i.e., > 20fold excess of H2O2) at various temp. and pressures.
ChemInform Abstract: Structure of (Et4N)2(Mo2(CO)8(μ‐SPh)2) and Structural Chemistry of Dinuclear Molybdenum(0,I) Carbonyl Complexes Containing Thiolato Bridges.
Authors: ZHUANG B. , HUANG L. , HE L. , YANG Y. , LU J. 
Published: May 2016

AbstractThe structure of the title compound (Ib) (space group P1, Z=1) is determined by X‐ray analysis.
ChemInform Abstract: Noncatalyzed, Homogeneously Catalyzed, and Heterogeneously Catalyzed Formyl Formation.
Authors: BLYHOLDER G. , LAWLESS M. 
Published: May 2016

AbstractPotential energy surfaces are calculated for H migration onto a carbonyl to give a formyl structure for a noncatalyzed and two catalyzed (homogeneously and heterogeneously) reactions (see scheme) using a semiempirical MINDO procedure.
ChemInform Abstract: Allylative Ring Opening of Siloxycyclopropanes by Silver Fluoride and Allylic Chlorides Affording δ,ε‐Unsaturated Ketones.
Authors: RYU I. , SUZUKI H. , OGAWA A. , KAMBE N. , SONODA N. 
Published: May 2016

AbstractCleavage of the siloxycyclopropanes (I) with methallyl chloride (II) in the presence of silver fluoride yields the δ,ε‐unsaturated ketones (III).
ChemInform Abstract: Investigation of the Catalytic Isomerization of 5‐Nitro‐ and 4‐Nitroimidazoles.
Authors: VANELLE P. , JENTZER O. , BAHNOUS M. , CROZET M. P. 
Published: May 2016

Abstract1,2‐Dimethyl‐5‐nitroimidazole (I) rearranges upon treatment with small amounts of methyl iodide (II) under different reaction conditions to give the 4‐nitroimidazole (IV) via (III).
ChemInform Abstract: Electron and Hydrogen Atom Transfer Mechanisms for the Photoreduction of o‐Quinones. Visible Light Induced Photoreactions of β‐Lapachone with Amines, Alcohols, and Amino Alcohols.
Authors: CI X. , DA SILVA R. S. , NICODEM D. , WHITTEN D. G. 
Published: May 2016

AbstractIn the presence of amines such as triethylamine (II) the title reaction of (I) proceeds via the triplet state as a sequence of two electron transfer‐proton transfer steps leading to the semiquinone radical (III) and the enamine (IV).
ChemInform Abstract: Acid‐Catalyzed Electron‐Transfer Processes in Reduction of α‐Haloketones by an NADH Model Compound and Ferrocene Derivatives.
Authors: FUKUZUMI S. , MOCHIZUKI S. , TANAKA T. 
Published: May 2016

AbstractThe NADH model compound (II) shows no reactivity toward araliphatic α‐haloketones such as (I) in MeCN at 335 K in the dark.
ChemInform Abstract: Regio‐ and Stereo‐Selectivity in the Reaction of Methyl 4,5‐Epoxy‐2‐hexenoate with Methylcopper Reagents.
Authors: IBUKA T. , TANAKA M. , NEMOTO H. , YAMAMOTO Y. 
Published: May 2016

AbstractThe reaction of the title compound (I) with MeCu (II) (or, similarly, with Me2CuLi or with BF3 complexes of (II) and Me2CuLi) gives predominantly the γ‐methylated product (IV) via an SN2 process whereas the reaction of (I) with the cyanocuprate (V) or with higher order dimethylcyanocuprate and their BF3 complexes affords preferentially the α‐methylated product (III) via an SN2' process.
ChemInform Abstract: An Anomalous Dipyrrole Product from Attempted Synthesis of a Tetraarylporphyrin.
Authors: CAVALEIRO J. A. S. , CONDESSO M. F. P. N. , OLMSTEAD M. M. , ORAM D. E. , SNOW K. M. , SMITH K. M. 
Published: May 2016

AbstractReaction of o‐acetoxybenzaldehyde (I) with pyrrole (II) in refluxing acetic acid gives a mixture of the dibenzofuranylpyrromethene (IIIa) and the deacetylation product (IIIb).
ChemInform Abstract: Studies on 1,3,4‐Oxadiazoles. Part 2. Preparation and Antimicrobial Activity of 2‐Benzoylamino‐5‐(2‐isopropyl‐5‐methylphenoxymethyl)‐1,3,4‐oxadiazoles.
Authors: RODA K. P. , VANSDADIA R. N. , PAREKH H. 
Published: May 2016

AbstractReaction of the phenoxyacetate (I) with hydrazine hydrate (II) leads to the formation of the hydrazide (III).
ChemInform Abstract: Enantioselective Total Synthesis of (‐)‐Monic Acid C via Carbosulfenylation of a Dihydropyran.
Authors: WHITE J. D. , THERAMONGKOL P. , KURODA C. , ENGEBRECHT J. R. 
Published: May 2016

AbstractThe dihydropyran (I) reacts with (‐)‐1‐borneol (II) and bromine to give the bromo ethers (III) and (IV).
ChemInform Abstract: A Regio‐ and Stereoselective Synthesis of Substituted Piperidones.
Authors: BAYARD P. , GHOSEZ L. 
Published: May 2016

AbstractThe 1‐imino silyl enolates (VI) are employed as azadienes in the hetero‐Diels‐Alder reaction with maleic anhydride (VII) or the α,β‐unsaturated esters (XI), producing the piperidines (VIII) or (XII) and (XIII).
ChemInform Abstract: Thermal Rearrangement Studies on Ethyl and Chloro Diethyl Derivatives of closo‐2,4‐C2B5H7: Elimination of a 1,2‐Substituent‐Shift Mechanistic Hypothesis and Further Support of the DSD Cage Rearrangement Mechanism.
Authors: NAM W. , ABDOU Z. J. , LEE H. , BANUELOS T. , ONAK T. 
Published: May 2016

AbstractFor the synthesis of the compounds (I) and (II) the ethylation of both closo‐2,4‐C2B5H7 and its 3‐chloro derivative is carried out using EtCl/AlCl3 as the reagent mixture.
ChemInform Abstract: Hydrosilylation of N‐ and O‐Heterocyclic Aldehydes in the Presence of Rh(I), Ru(II), and Pd(II) Complexes.
Authors: IOVEL' I. G. , GOL'DBERG YU. SH. , GAUKHMAN A. P. , GAVARS M. P. , SHIMANSKAYA M. V. , LUKEVITS E. 
Published: May 2016

AbstractHydrosilylation of the aldehydes (I) with triethylsilane (II) in the presence of Rh(I), Ru(II), or Pd(II) complexes gives the silyl ether (III) and the dimer (IV).
ChemInform Abstract: The Rate of Ring Closure of 1,1‐Dimethyl‐2‐phenyl‐1‐silabuta‐1,3‐diene to 1,1‐Dimethyl‐2‐phenyl‐1‐silacyclobutene.
Authors: CONLIN R. T. , ZHANG S. , NAMAVARI M. , BOBBITT K. L. , FINK M. J. 
Published: May 2016

AbstractIrradiation of (II) in a 3‐methylpentane glass at 77 K yields the siladiene (I) whose UV spectrum displays a maximum wavelength at 338 nm.
ChemInform Abstract: Palladium‐Catalyzed Reactions of Neopentylidenesiliranes.
Authors: SASO H. , ANDO W. 
Published: May 2016

AbstractThe silirane (I) reacts with dimethyl acetylenedicarboxylate (II) in the presence of a Pd catalyst to give mixtures of the silacyclopentenes (III) and (IV).
ChemInform Abstract: Synthesis and NMR Studies of Difluorophosphine‐Substituted Ureas.
Authors: KRUEGER W. + , SCHMUTZLER R. , SCHIEBEL H.‐M. , WRAY V. 
Published: May 2016

AbstractThe difluorophosphine‐substituted ureas (III) are employed to synthesize the chelate complexes (V) and (VII).
ChemInform Abstract: Chiral Sulfonated Phosphines. Syntheses and Use as Ligands in Asymmetric Hydrogenation Using an Aqueous‐Organic Two‐Phase Solvent System.
Authors: AMRANI Y. , LECOMTE L. , SINOU D. , BAKOS J. , TOTH I. , HEIL B. 
Published: May 2016

AbstractSulfonation of chiral bis(diphenylphosphines) e.g. (I) results in water‐soluble ligands.
ChemInform Abstract: Chemistry of Boron. Part 196. Preparation and Reaction of a 3‐Amino‐1,2,3‐azaphosphaboriridine.
Authors: KOELLE P. + , NOETH H. + , PAINE R. T. 
Published: May 2016

AbstractThe title compound (II) obtained by dehalogenation as shown reacts with S8 or Sex not only with ring expansion but also with oxidation of its λ3‐P atom to form the new heterocycles (III).
ChemInform Abstract: The First Structural Evidence for the Insertion of an Unsubstituted Lead into a Carborane Cage.
Authors: HOSMANE N. S. , SIRIWARDANE U. , ZHU H. , ZHANG G. , MAGUIRE J. A. 
Published: May 2016

AbstractThe reaction of the monoanion of the nido‐carborane (I) with PbCl2 (II) yields the novel plumbacarborane (III) which is characterized by an X‐ray structure analysis (space group P1, Z=2).
ChemInform Abstract: Multiple Bonds Between Main‐Group Elements and Transition Metals. Part 59. Bridging Tin Atoms in Organomanganese Complexes. Formation, Structures, and Reactivity of Manganese‐Tin Multiple Bonds.
Authors: HERRMANN W. A. , KNEUPER H.‐J. , HERDTWECK E. 
Published: May 2016

AbstractTreatment of the photochemically generated THF‐Mn complex (I) either with SnCl2 (II) and Zn dust or with SnH4 (III) leads to formation of the Sn‐bridged Mn3 complex (IVa).
ChemInform Abstract: Synthesis of Dialkyl‐ and Alkylacylrhenium Complexes by Alkylation of Anionic Rhenium Complexes at the Metal Center. Mechanism of a Double Carbonylation Reaction That Proceeds via the Formation of Free Methyl Radicals in Solution.
Authors: GOLDBERG K. I. , BERGMAN R. G. 
Published: May 2016

AbstractThe site of alkylation of salts of acylrhenates such as (I) can be controlled by adjusting the hardness of the alkylating agent.
ChemInform Abstract: Coordination Chemistry of Siloles: Synthesis, Reactions, and Stereochemistry of Silicon‐Substituted (η4‐2,5‐Diphenylsilacyclopentadiene)transition‐metal Complexes. Crystal Structure of Dicarbonyl(phenyl((η4‐exo‐1‐methyl‐2,5‐diphenylsilacyclopentadien‐1‐yl)oxy)# carbene)iron.
Authors: CARRE F. , CORRIU R. J. P. , GUERIN C. , HENNER B. J. L. , MAN W. W. C. W. C. 
Published: May 2016

AbstractThe synthesis of the title complexes derived from the siloles (I), (XII) and (XVII) and the reactivity of these and of (XXII) are described.
ChemInform Abstract: Synthesis, Characterization, and DNA‐Binding Properties of (1,2‐Diaminoethane)platinum(II) Complexes Linked to the DNA Intercalator Acridine Orange by Trimethylene and Hexamethylene Chains.
Authors: BOWLER B. E. , AHMED K. J. , SUNDQUIST W. I. , HOLLIS L. S. , WHANG E. E. , LIPPARD S. J. 
Published: May 2016

AbstractDetails of the preparation of the Pt complexes (VIc) and (VIe) (see scheme) as well as X‐ray structure determinations of the oxalato derivative (VIII) (P1, Z=2), which forms suitable crystals, and the ligand precursors (Ia) (C2/c, Z = 8) and (Ib) (P1, Z=2) are reported.
ChemInform Abstract: Synthesis of (24R,28R)‐ and (24S,28S)‐24,28‐Methylene‐5‐stigmasten‐3β‐ol and Biosynthetic Implications of Cyclopropyl Cleavage to 24‐Substituted Cholesterols.
Authors: GINER J.‐L. , ZIMMERMAN M. P. , DJERASSI C. 
Published: May 2016

AbstractTreatment of methylenestigmastenol (I) with trifluoroacetic acid results in opening of the cyclopropane ring, producing the olefins (II) ‐(IV).
ChemInform Abstract: Daphniphyllum Alkaloids. Part 5. Total Synthesis of (.+‐.)‐Daphnilactone A: A Novel Fragmentation Reaction.
Authors: RUGGERI R. B. , MCCLURE K. F. , HEATHCOCK C. H. 
Published: May 2016

AbstractThe key step in the first total synthesis of the title compound (VIII) is the fragmentation reaction producing the unsaturated amino alcohol (VIa).
ChemInform Abstract: Baker′s Yeast Reduction of 5‐Acetyl‐2‐isoxazolines. Synthesis of Enantiomerically Pure 2,3‐Dihydroxy Ketones and 1,2,4‐Triols.
Authors: TICOZZI C. , ZANAROTTI A. 
Published: May 2016

AbstractThe 5‐acetyl‐2‐isoxazolines (III), obtained by 1,3‐dipolar ccloaddition reaction of the nitril oxides (I) with methyl vinyl ketone (II), are selectively reduced in the presence of bakers' yeast to form the diastereomeric alcohols (IV) and (V).
ChemInform Abstract: X‐Ray Emission and X‐Ray Self‐Absorption in the High‐Tc Superconductor YBa2Cu3O6.9 and Other Copper Oxides.
Authors: BURGAEZY F. + , JAEGER H. , SCHULZE K. , LAMPARTER P. , STEEB S. 
Published: May 2016

AbstractThe problematic nature of the Cu‐O bonding in the high‐Tc superconductor YBa2Cu3O6.9 is investigated for the first time by using O‐Kα X‐ray emission and Cu‐L3 X‐ray self‐absorption spectroscopy.
ChemInform Abstract: New Phase of an Oxygen‐Nitrogen Alloy at High Pressure and Room Temperature Detected by Raman Spectroscopy.
Authors: BAER B. J. , NICOL M. 
Published: May 2016

AbstractThe new solid N‐O phase that forms at pressures > 11 GPa appears to be a variant of the Pm3n structure of δ‐N2 in which O2 molecules replace some of the N2 molecules.
ChemInform Abstract: Rapid, High‐Resolution, Reversed‐Phase HPLC Separation of Highly Charged Polyoxometalates Using Ion‐Interaction Reagents and Competing Ions.
Authors: KIRK A. D. , RISKE W. , LYON D. K. , RAPKO B. , FINKE R. G. 
Published: May 2016

AbstractExcellent and rapid (15 min) separation of highly charged polyoxometalate ions such as PW11VO44‐0, PW10V2O45‐0, PW9V3O46‐0, or P2W18Zn4(OH2)2O10‐ 68 is achieved by means of reversed‐phase HPLC using ion‐interaction reagents (n‐C6H13NH3+, BuNH3+) to promote retention and the citrate ion as a competing ion to avoid tailing.
ChemInform Abstract: Adsorption and Desorption of Nitrogen Oxide by the Aqueous Dispersion of the Chelate Resin‐Immobilized Iron(II) Complex.
Authors: TOSHIMA N. , ASANUMA H. , YAMAGUCHI K. , HIRAI H. 
Published: May 2016

AbstractIt is shown that a dispersion of a chelate resin‐Fe(II) complex prepared from FeSO4 and a chelate resin containing ‐CH2‐N(CH2COOH)2 moieties adsorbs up to 78% of the NO of a nitrogen gas containing 1000 ppm NO.
ChemInform Abstract: Surface Basicity Modification of γ‐Alumina: Study by Thermometric Titration.
Authors: RAMIREZ DE LA PISCINA P. , HOMS N. , BORRULL F. 
Published: May 2016

AbstractThe concentration of surface basic sites of various modified γ‐Al2O3 samples, used as supports in the preparation of metallic catalysts, are determined from the thermometric curves obtained by titration of the samples with benzoic acid solution.
ChemInform Abstract: Linear Semibridging Carbonyls. Part 2. Heterobimetallic Complexes Containing a Coordinatively Unsaturated Late Transition Metal Center.
Authors: SARGENT A. L. , HALL M. B. 
Published: May 2016

AbstractThe electronic structure and bonding of the complexes (I)‐(III) are analyzed by the parameter‐free Fenske‐Hall MO method.
ChemInform Abstract: Steric, Inductive, and Ring‐Strain Effects in Chelation Thermodynamics and Kinetics. Reactions of Copper(II) Ion with N‐Alkyl‐Substituted Diamino Diamides.
Authors: CHAO M.‐S. , CHUNG C.‐S. 
Published: May 2016

AbstractFor the new title ligands, prepared from the appropriate diamines and acrylamide in MeCH at reflux temp. (yields not given), the protonation constants are determined potentiometrically.
ChemInform Abstract: Azophenolic Acerands: Amine‐Selective Coloration and Crystal Structure of a Piperidinium Saltex.
Authors: KANEDA T. , UMEDA S. , ISHIZAKI Y. , KUO H.‐S. , MISUMI S. , KAI Y. , KANEHISA N. , KASAI N. 
Published: May 2016

AbstractThe reactions of NH3 and 11 simple alkylamines with chromoacerands (I) and open chain analogues (II) are examined.
ChemInform Abstract: Outer‐Sphere Electron‐Transfer Reduction of Alkyl Halides. A Source of Alkyl Radicals or of Carbanions? Reduction of Alkyl Radicals.
Authors: ANDRIEUX C. P. , GALLARDO I. , SAVEANT J.‐M. 
Published: May 2016

AbstractCyclic voltammetry of butyl iodides at a glassy carbon electrode allows the determination of an effective reduction potential for the butyl radicals.
ChemInform Abstract: Asymmetric Catalysis. Part 45. Enantioselective Hydrosilylation of Ketones with (Rh(COD)Cl)2/Pyridinyloxazoline Catalysts.
Authors: BRUNNER H. , OBERMANN U. 
Published: May 2016

AbstractTwenty‐one optically active pyridinyloxazolines such as (III) are synthesized from the 2‐cyanopyridine derivative (I) and optically pure amino alcohols such as (II).
ChemInform Abstract: Chiral Synthesis via Organoboranes. Part 20. Conversion of Boronic Esters of Essentially 100% Optical Purity to B‐Alkyl‐9‐borabicyclo(3.3.1)nonanes of Very High Optical Purity. Synthesis of Optically Active Homologated Esters, Nitriles, and Ketones.
Authors: BROWN H. C. , JOSHI N. N. , PYUN C. , SINGARAM B. 
Published: May 2016

AbstractAsymmetric hydroboration of prochiral olefins such as (I) and subsequent removal of the chiral auxiliary yields the optically active borinane (VI), which is converted into a mixture of the borabicyclo(4.2.1)nonane (VIIIa) and ‐(3.3.1)nonane (IXa).
ChemInform Abstract: Diazo Compounds. Part 70. Intramolecular Cycloaddition of 5‐(Diazomethyl)‐5H‐benzocycloheptenes ‐ Partial Step of a New Benzosemibullvalene Synthesis.
Authors: REGITZ M. , BOEHSHAR M. + , ARENZ S. , HEYDT H. 
Published: May 2016

AbstractReaction of the benzocycloheptenylium perchlorates (I) with the diazo compounds (II) leads to the tetracycles (III), which arise from intramolecular cycloaddition of the intermediately formed 5H‐benzocycloheptenes (IV).
ChemInform Abstract: Intramolecular Hydrogen Abstraction. The Use of Organoselenium Reagents for the Generation of Alkoxy Radicals.
Authors: DORTA R. L. , FRANCISCO C. G. , FREIRE R. , SUAREZ E. 
Published: May 2016

AbstractHydroxy compounds such as the bridged cyclohexanol (II), the steroid (IV), and the sesquiterpene isolongifolene (VI) are converted to cyclic ethers under irradiation in the presence of the diphenylselenium(IV) compounds (Ia) or (Ib) and iodine.
ChemInform Abstract: The Silicon‐Carbon Double Bond: Theory Takes a Round.
Authors: GUTOWSKY H. S. , CHEN J. , HAJDUK P. J. , KEEN J. D. , EMILSSON T. 
Published: May 2016

AbstractThe short‐lived intermediate (II), produced by pyrolysis of (I) and dimerizing to the stable product (III), is investigated by microwave spectroscopy.
ChemInform Abstract: Electron‐Transfer Reactions in the Marcus Inverted Region. Charge Recombination versus Charge Shift Reactions.
Authors: GOULD I. R. , MOSER J. E. , ARMITAGE B. , FARID S. , GOODMAN J. L. , HERMAN M. S. 
Published: May 2016

AbstractQuenching of the first singlet excited states of the uncharged acceptors (I) (or N‐methylacridinium salts studied as well) with a wide range of alkylbenzene donors such as (II) results in the formation of geminate radical ion pairs (III).
ChemInform Abstract: Ozonolysis of 1‐Substituted 2,3‐Diphenylindenes and o‐(1‐Substituted‐2‐phenyl‐3‐methoxy‐2‐propenyl)benzophenones. Remarkable Effects of the Method of Generation of the Carbonyl Oxide Intermediates on the Stereochemistries of Both the Ozonide and the Methanol‐Derived Isochroman Products.
Authors: NAKAMURA N. , FUJISAKA T. , NOJIMA M. , KUSABAYASHI S. , MCCULLOUGH K. J. 
Published: May 2016

AbstractIn the ozonolysis of compounds (I), both the steric effects of the 1‐substituent and the nature of the solvent play a significant role in determining the ratio of the exo/endo ozonides produced.
ChemInform Abstract: The Pagodane Route to Dodecahedranes: Homologous Dodecahedranes and Dodecahedrenes with Multiple Functionalization.
Authors: PINKOS R. , MELDER J.‐P. , FRITZ H. , PRINZBACH H. 
Published: May 2016

AbstractVarious title compounds of type (IV)‐(VI) are obtained from the functionalized pagodane (I) (cf.
ChemInform Abstract: Titanium Tetrachloride‐Mediated Diels‐Alder Reactions of Cyclopentadiene with (‐)‐Dimenthyl Methylenemalonate and Its Acetoxy Derivative as New Chiral Dienophiles for Asymmetric Induction.
Authors: KATAGIRI N. , HANEDA T. , WATANABE N. , HAYASAKA E. , KANEKO C. 
Published: May 2016

AbstractEsterification of malonic acid with (‐)‐menthol and subsequent condensation reaction with paraformaldehyde yield the dimenthyl methylenemalonate (II) which undergoes Diels‐Alder reaction with cyclopentadiene (I) to give the bicyclo(2.2.1)heptenedicarboxylate (III) as the major isomer.
ChemInform Abstract: Titanium Tetrachloride‐Induced Fries Rearrangement: A New Route to Disubstituted 2‐Hydroxypropiophenones.
Authors: MARTIN R. , DEMERSEMAN P. 
Published: May 2016

AbstractTitanium tetrachloride proves to be a mild catalyst for the Fries rearrangement of the dialkylphenyl propionates (I), (III), and (V), yielding the hydroxypropiophenones (II), (IV), or (VI).
ChemInform Abstract: A Versatile Synthesis of Carbapenems from Substituted Dihydropyrans.
Authors: BAYLES R. , FLYNN A. P. , GALT R. H. B. , KIRBY S. , TURNER R. W. 
Published: May 2016

AbstractThe optically active dihydropyrans (I) undergo acid‐induced cleavage followed by reductive recyclization to form the δ‐lactones (III) with predominance of the all‐trans‐diastereomers.
ChemInform Abstract: Detection of 2,5‐Dimethylene‐2,5‐dihydrothiophene and Thiophenoradialene.
Authors: MUENZEL N. + , KESPER K. , SCHWEIG A. , SPECHT H. 
Published: May 2016

AbstractPyrolytic cleavage of the (chloromethyl)methylthiophenes (I) or (IV) at 600‐650°C yields the polymethylene compounds (II) or (V) mentioned in the title which are identified via spectroscopic investigations.
ChemInform Abstract: Antiparasitic Agents. Part 9. Synthesis of 5(6)‐Alkoxycarbonyl‐2‐substituted‐benzimidazoles as Potential Anthelmintics.
Authors: NAIM S. S. , SINGH S. K. , SHARMA S. , GUPTA S. , FATMA N. , CHATTERJEE R. K. , KATIYAR J. C. 
Published: May 2016

AbstractThe esters (IVa), (IVb) and the acid (IVc) are prepared starting from the acid (I).
ChemInform Abstract: Series on Polarized Ketene S,S‐ and S,N‐Acetals. Part 56. Regioselective Synthesis of 5‐Alkylthio‐ and 3‐Alkylthioisoxazoles from Acylketene Dithioacetals.
Authors: PURKAYASTHA M. L. , ILA H. , JUNJAPPA H. 
Published: May 2016

AbstractThe acylketene dithioacetals (I) react with hydroxylamine hydrochloride (II) in the presence of sodium methoxide in methanol to form the 5‐alkylthioisoxazoles (III).
ChemInform Abstract: New Modification of the Intramolecular α‐Amidoalkylation for the Synthesis of 2‐Acyl‐1,2,3,4‐tetrahydroisoquinolines.
Authors: VENKOV A. P. , LUKANOV L. K. 
Published: May 2016

AbstractThe N‐(phenethyl)imines (I) are acylated with the chlorides (II) and then directly cyclized in the presence of aluminum trichloride or potassium iodide, yielding the tetrahydroisoquinolines (III).