bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Functional Polymers. Part 40. Syntheses of Mono‐ and Di(4‐methoxy)benzotriazole‐ Substituted 2,4‐Dihydroxyaceto(or benzo)phenones.
Authors: FU S. , LI S. , VOGL O. 
Published: May 2016

AbstractThe title compounds (III) and (IV) are synthesized by azo coupling of the respective diazonium salts generated from the nitroanilines (I) with the dihydroxyketones (II) followed by reductive cyclization.
ChemInform Abstract: Addition of Heterocumulenes to Condensed Chinazolones.
Authors: DUNN A. D. , RUDORF W.‐D. 
Published: May 2016

AbstractThe reaction of CS2 with (Ia) and (Ib) in DMSO/NaH followed by alkylation of the intermediary formed geminal dithiolates gives the ketene‐S,N‐acetals (IIa) and (IIb).
ChemInform Abstract: Substituted Isatoic Anhydrides: Selective Inactivators of Trypsin‐Like Serine Proteases.
Authors: GELB M. H. , ABELES R. H. 
Published: May 2016

Abstract4‐Aminomethyl‐2‐nitrobenzoesäure (II), deren Herstellung aus 4‐Chlor‐3‐ nitrotoluol (I) beschrieben wird, läßt sich nach Schutz der Aminogruppe und Reduktion der Nitrogruppe durch Umsetzung mit Phosgen (V) in das Isatosäureanhydrid (VI) überführen.
ChemInform Abstract: Chemistry of Boron. Part 176. Synthesis of Boron Functional Diborylamines via (Stannylamino)boranes.
Authors: NOETH H. + , OTTO P. , STORCH W. 
Published: May 2016

AbstractThe diborylamines (IVa), (IVd) are readily obtained from the tris(stannyl)amine (I) and the boron halides (IIa), (IId) via the [bis(stannyl)amino]boranes (IIIa), (IIId).
ChemInform Abstract: Substituent Effects on closo‐2,4‐C2B5H7, Derivative Rearrangement Rates. Comparison of Rearrangement Pattern and Rate Constants of a Mixed Disubstituted Carborane, 5‐CH3‐6‐Cl‐2,4‐ C2B5H5, with Those of Monosubstituted 5‐X‐2,4‐C2B5H6 and Disubstituted 5,6‐X2‐2,4‐C2B5H5 (X: CH3, Cl): Mechanistic Implications and Isomer Stability Correlations.
Authors: ABDOU Z. J. , ABDOU G. , ONAK T. , LEE S. 
Published: May 2016

AbstractThe rearrangement of the closo‐carborane (I) to an equilibrium mixture of all eight B‐CH3‐B ′‐Cl isomers is carried out at 295°C. The first isomer produced is the l‐CH3‐5‐Cl derivative followed by 3‐CH3‐5‐Cl‐2,4‐C2B5H5.
ChemInform Abstract: The Synthesis of Allylsilanes and Vinylsilanes by Silyl‐Cupration of Allenes.
Authors: FLEMING I. , PULIDO F. J. 
Published: May 2016

AbstractTreatment of the allenes (I) with the silylcuprate (II) and subsequent quenching with ammonium Chloride solution afford either the vinylsilane (III) or the allylsilanes (IV).
ChemInform Abstract: Low Coordinated Phosphorus Compounds. Part 48. Synthesis of 1‐Phosphaallenes.
Authors: APPEL R. , WINKHAUS V. , KNOCH F. 
Published: May 2016

AbstractTwo new 1‐phosphaallenes (IIIb), (IIIc) are obtained likewise (IIIa), previously described, by Wittig reaction of the phosphaketene (I) with the ylides (IIb),(IIc).
ChemInform Abstract: Polydentate Ligands Containing Phosphorus. Part II. Synthesis of Three New Anionic Tripod Ligands, Their Neutral Precursors, and Related Compounds.
Authors: GRIM S. O. , SANGOKOYA S. A. , COLQUHOUN I. J. , MCFARLANE W. , KHANNA R. K. 
Published: May 2016

AbstractThe compounds (II) are synthesized by careful oxidation of (I) with H2O2.
ChemInform Abstract: New Polyphosphorus Ligands: Addition Reactions of 1,1‐Bisdiphenylphosphinoethene.
Authors: BOOKHAM J. L. , MCFARLANE W. , COLQUHOUN I. J. 
Published: May 2016

AbstractAs outlined in the scheme, 1,1‐bis(diphenylphosphino)ethene (I) reacts with P‐ and As‐compounds, such as (II), (IV) or (XI), to yield adducts such as (III), (VI) or (XIII), which can be converted into complexes, e.g. (XVI).
ChemInform Abstract: A New Type of Organometallic Spiro Compounds: 2,2,6,6‐Tetracyclopentadienyl‐4‐sila‐2,6‐dititanaspiro[3,3]heptane.
Authors: VAN DE HEISTEEG B. J. J. , SCHAT G. , AKKERMAN O. S. , BICKELHAUPT F. 
Published: May 2016

AbstractThe di‐Grignard reagent (II), generated in situ, gave the stable title compound (III) on treatment with SiCl4.
ChemInform Abstract: Polynuclear Molybdenum and Tungsten Complexes with Sulfur and Dithiophosphinato Ligands.
Authors: KECK H. , KUCHEN W. , MATHOW J. 
Published: May 2016

AbstractThe 1:3 molar reaction of Mo(CO)6 (I) with the disulfanes (II) gives the disulfido‐bridged Cluster chelates (IIIa) in which the anions can be easily exchanged as demonstrated [isolation of (IIIb)].
ChemInform Abstract: The Second Isomer of Dichloro(2,2′‐bipyridine)iron(II): Syntheses and Spectroscopic and Magnetic Characterizations of Three Related Dichloro(α‐diimine)iron(II) Complexes Containing Five‐Coordinate, High‐Spin Iron(II).
Authors: CHARRON F. F. JUN. , REIFF W. M. 
Published: May 2016

AbstractHydrated FeCl2 , freshly prepared by dissolution of Fe powder in deoxygenated HCl at about 80°C, increased heating (100°C) and taking the solution almost to dryness, reacted with 2,2′‐bipyridine in absolute EtOH (60°C, 10min).
ChemInform Abstract: (η5‐Cyclopentadienyl)methylnickel Complexes with Single and Multiple Double‐Bond Systems.
Authors: LEHMKUHL H. , DANOWSKI F. , BENN R. , MYNOTT R. , SCHROTH G. 
Published: May 2016

AbstractThe reaction of nickelocene (I) with MeLi in the presence of corresponding olefins leads to η2‐olefin complexes (II).
ChemInform Abstract: Trivalent Nickel: Sulfur Coordination (NiN2O2S2) vs. Oxygen Coordination (NiN2O4).
Authors: RAY D. , PAL S. , CHAKRAVORTY A. 
Published: May 2016

AbstractThe triazene 1‐oxide ligands (I)‐(IV) have been used to construct NiN2O4 and NiN2O2S2 Coordination spheres.
ChemInform Abstract: Magnetic Exchange Interactions in Some Novel p‐Azido‐Bridged Copper(II) Dimers.
Authors: CHAUDHURI P. , ODER K. , WIEGHARDT K. , NUBER B. , WEISS J. 
Published: May 2016

AbstractThe title Compounds (I)‐(IV) are prepared by reaction of Cu(II) perchlorate hexahydrate or Cu(II) acetate in aqueous solution with the triazacyclononane and sodium azide.
ChemInform Abstract: Binucleating Bis‐N‐acylthioureas Ligands in Trimetallamacrocycles and Polynuclear Metal Chelates.
Authors: KOEHLER R. + , KIRMSE R. , RICHTER R. , SIELER J. , HOYER E. , BEYER L. 
Published: May 2016

AbstractThe two types of quadridentate bis‐N‐acylthioureas (II) and (IV), prepared as shown, act ‐ after dideprotonation ‐ as bis‐bidentate S,O ligands towards polyvalent metal ions.
ChemInform Abstract: Electrochemical, Spectral, and Base‐Binding Studies of Heterodinuclear Ruthenium‐Iron Complexes of meso‐α,α,α,α‐Tetrakis(nicotinamidophenyl)porphine.
Authors: ELLIOTT C. M. , ARNETTE J. K. 
Published: May 2016

AbstractThe complex Ru(II)Cl2 LFe(III)Cl (H2L: title ligand) consists of the Fe(III) coordinated in the porphyrin site and the single Cl‐ most probably coordinated at the external axial site of the iron.
ChemInform Abstract: Preparative‐Scale Matrix Isolation: Application to the Direct Synthesis of Binary Metal Carbonyls Using Metal Atomic Reagents.
Authors: GODBER J. , HUBER H. X. , OZIN G. A. 
Published: May 2016

AbstractThe cocondensation of the monoatomic vapors of V, Cr, Mn, Fe, and Ru with CO (25‐30 K) to yield Ru(CO)5, Ru3(CO)12, Mn2(CO)10, V(CO)6, Cr(CO)6, and Fe3(CO)12 is described.
ChemInform Abstract: Stereospecific Synthesis of (+)‐2R,5R trans‐Dihydrocarvone from (‐)‐Carvone.
Authors: SOLLADIE G. , HUTT J. 
Published: May 2016

AbstractStereospecific Synthesis of (+)‐2R,5R trans‐Dihydrocarvone from (‐ )‐Carvone.
ChemInform Abstract: Methyl 3,4‐Di‐O‐acetyl‐2‐deoxy‐2(R)‐[1H,3H‐2,4‐dioxo‐1‐pyrimidinyl]‐2‐fluoro‐β‐D‐arabinopyranoside: Novel Nucleoside Analogues via Condensation of gem‐2,2‐Difluoro Methyl Glycosides with Silylated Heterocyclic Bases.
Authors: AN S.‐H. , BOBEK M. 
Published: May 2016

AbstractThe keto‐sugar(II), obtained by oxidation of (I), yields the bis‐fluoro‐derivative (III), which is converted to (IV).
ChemInform Abstract: New Piperidinic Synthons via Ring Contraction. Formal Synthesis of (±)‐Perhydrohistrionicotoxin.
Authors: DUHAMEL P. , KOTERA M. , MONTEIL T. 
Published: May 2016

AbstractRing contraction of the tetrahydroazepine (IV) by treatment with bromine followed by triethylamine‐H2O affords 1‐benzylpiperidine‐2,2‐dicarbaldehyde in quantitative yield.
ChemInform Abstract: Syntheses of Althiomycin Analogues in Relation to Antibacterial Activities.
Authors: INAMI K. , SHIBA T. 
Published: May 2016

AbstractTheester (I) is coupled with the pyrrolinone (II) to give (III). Detritylation of (III) followed by reaction with the aminoacetimidate (IV) affords the (R)‐thiazolinylcarbonylpyrrolinone (Va).
ChemInform Abstract: Synthesis and Antiviral Activity of Sulfonamidobenzophenone Oximes and Sulfonamidobenzamides.
Authors: OGATA M. , MATSUMOTO H. , SHIMIZU S. , KIDA S. , WADA T. , SHIRO M. , SATO K. 
Published: May 2016

AbstractDurch Umsetzung der aus den Aminobenzophenonen (I) erhältlichen Sulfonamide (III) mit Hydroxylamin entstehen die Oxime (IV) und (V),wobei die anti‐Verbindungen (IV) die Hauptprodukte bilden.
ChemInform Abstract: A Stereoselective Synthesis of the C‐15 to C‐20 Segment of Rifamycin‐S.
Authors: RAO A. V. R. , YADAV J. S. , RAO C. S. 
Published: May 2016

AbstractThe selenophenyl propionate (I) reacts with LDA and the allylic chlorides (II) to give the adducts (IIIa), which are converted via the carboxylic acids (IIIb) to the lactones(IV).
ChemInform Abstract: An Efficient Synthesis of Pyrethroid Insecticides Containing Spiro‐ Fused Cyclopropane Carboxylate.
Authors: MITRA R. B. , MULJIANI Z. , REDDY G. B. 
Published: May 2016

AbstractDerivatives of the spirocyclic carboxylic acid (I) have proved to be effective pyrethroid insecticides.
ChemInform Abstract: γ‐Lactam Analogues of Carbapenems.
Authors: BOYD D. B. , FOSTER B. J. , HATFIELD L. D. , HORNBACK W. J. , JONES N. D. , MUNROE J. E. , SWARTZENDRUBER J. K. 
Published: May 2016

AbstractThe ketone (I) is transformed into the oxime (II) and subsequently reduced and acylated to form the isomeric amino derivatives (III) or (IV).
ChemInform Abstract: γ‐Lactam Analogues of the Penems.
Authors: BOYD D. B. , ELZEY T. K. , HATFIELD L. D. , KINNICK M. D. , MORIN J. M. JUN. 
Published: May 2016

Abstract5‐Methoxy‐2‐pyrrolidinone (Ia) is converted to the thioacetate (Ib) which reacts with the glyoxalate (II) to yield the diastereomeric alcohols (IIIa).
ChemInform Abstract: Enzymatic Synthesis of a New Type of Penicillin.
Authors: BALDWIN J. E. , ADLINGTON R. M. , BASAK A. , FLITSCH S. L. , PETURSSON S. , TURNER N. J. , TING H.‐H. 
Published: May 2016

AbstractIncubation of the mercapto amides (Ia)‐(Ic) with purified isopenicillin N synthetase (IPNS) affords the β‐lactams(IIa)‐(IIc).
ChemInform Abstract: A Practical Synthesis of (E)‐β‐Farnesene, the Alarm Pheromone of Aphids.
Authors: KANG S.‐K. , KIM S.‐G. 
Published: May 2016

AbstractOrthoester Claisen reaction of linalool (I) affords the dimethyldecanoate (III), which is converted into the corresponding aldehyde (IV).
ChemInform Abstract: Synthesis of the Pheromone of the Comstock Mealybug via a Sila‐Cope Elimination.
Authors: FALL Y. , VAN BAC N. , LANGLOIS Y. 
Published: May 2016

AbstractStarting with 2,5‐dimethyl pyridine (I), the tetrahydropyridine‐N‐oxide (IV) is synthesized and subsequently split into the hydroxylamine derivatives (V)‐(VII).(V) or (VI) can be transformed into the N‐oxide (VIII) from which the title compound (XI) is prepared.
ChemInform Abstract: The Evaluation of Corrosion Protection Measures for Metal Matrix Composites (MMC).
Authors: MANSFELD F. , JEANJAQUET S. L. 
Published: May 2016

AbstractThe corrosion protection of SiC/Al, graphite/Al and graphite/Mg by anodizing or by coating with a polymer film has been evaluated by electrochemical impedance spectroscopy (EIS).
ChemInform Abstract: Simplest Chloronium Radical. A Neutralization‐Reionization Mass Spectrometry Study.
Authors: WESDEMIOTIS C. , FENG R. , MCLAFFERTY F. W. 
Published: May 2016

AbstractThe preparation of stable (∼ 10‐6 s) H2Cl· radicals is succeeded by neutralization (Hg vapor, 30% transmittance) of fast mass‐selected H237Cl+ ions, whereby the surprising apparent lifetimes HDCl ≫ H2Cl >> D2Cl are observed.
ChemInform Abstract: A Transmission Electron Microscope Study of the Effect of Cyclohexane Adsorption on the Crystallization of Pd80Si20 Metallic Glass.
Authors: KOWBEL W. , BROWER W. E. JUN. 
Published: May 2016

AbstractThe crystallization of metastable Pd80Si20 has been studied in situ using a TEM equipped with a hot stage and an environmental cell.
ChemInform Abstract: In11Mo40O62 : A Molybdate with Units of Four and Five Condensed Mo6 Octahedra and Linear In57+ and In68+ Ions.
Authors: MATTAUSCH HJ. , SIMON A. , PETERS E.‐M. 
Published: May 2016

AbstractThe structure (Pmc21, Z=2) of the metallic looking title Compound is Characterized by Clusters of four and five trans‐edge‐sharing Mo6 octahedra.
ChemInform Abstract: Acidity of Heteropoly Compounds.
Authors: GHOSH A. K. , MOFFAT J. B. 
Published: May 2016

AbstractThe acidity of H3PW12O20 (HPW) and its Na, Ca, Mg, Zn, Al and Zr salts and of H4SiW12O40 (HSiW) and its NH4 and Cs salts has been determined after different pretreatments using an indicator method.
ChemInform Abstract: Electrochemical Oxidation of the Tetrakis(μ‐pyrophosphito‐P,P′)diplatinum(II) Complex Pt2(μ‐P2O5H2)44‐ (I) Both in the Presence and the Absence of Halide Ions, and Reduction of the Axially Substituted Halodiplatinum(III) Complexes Pt2(μ‐P2O5H2)4X24‐(II).
Authors: BRYAN S. A. , SCHMEHL R. H. , ROUNDHILL D. M. 
Published: May 2016

AbstractThe potential required for the oxidation of (I) and the reduction of (II) (X: Cl, Br, I) depends on X. By differential pulse polarography at a glassy carbon electrode the peak potential for oxidation of (I) is 0.69 V, and in the presence of X′, the respective potentials are 0.56 [C1], 0.37 [Br], and ‐ 0.03 V [I] vs.
ChemInform Abstract: On the Kinetics of the Cathodic Deposition of Aluminium on Glassy Carbon and Tungsten Electrodes from AlCl3 + NaCl + KCl Melts.
Authors: ZHANG Y. J. , BJOERGUM A. , ERIKSON U. , TUNOLD R. , OEDEGARD R. 
Published: May 2016

AbstractThe Al deposition from Chloride melts results in a partly soluble product on tungsten whereas on glassy carbon an insoluble product is formed.
ChemInform Abstract: Characterization of SiO2‐Supported Mo(VI): The Effect of Calcination and Exposure to Water Vapor
Authors: STENCEL J. M. , DIEHL J. R. , D'ESTE J. R. , MAKOVSKY L. E. , RODRIGO L. , MARCINKOWSKA K. , ADNOT A. , ROBERGE P. C. , KALIAGUINE S. 
Published: May 2016

Abstracton the structure of the catalyst has been investigated by ESCA, ion scattering spectrometry and laser Raman spectroscopy.
ChemInform Abstract: Ab initio Studies of Molecular Structures and Energetics. Part 1. Base‐Catalyzed Hydrolysis of Simple Formates and Structurally Related Reactions.
Authors: EWIG C. S. , VAN WAZER J. R. 
Published: May 2016

AbstractMolecular structures, conformations, and thermodynamic properties of the orthoformate anionic molecules produced by the interaction of hydroxy or methoxy ions with formic acid or methyl formate are determined by ab initio computations.
ChemInform Abstract: Electrolytic Transformation of Functional Groups of Fluoroorganic Compounds.
Authors: FUCHIGAMI T. , NAKAGAWA Y. , NONAKA T. 
Published: May 2016

AbstractThe trifluoroethyl sulfide (I) is transformed into the derivatives (IIa) or (IIb) by electrolytic oxidation in the presence of acetic acid and methanol respectively.
ChemInform Abstract: Hydrophobic Perturbation of Acyclic Equilibria.
Authors: PORTER N. A. , OK D. , ADAMS C. M. , HUFF J. B. 
Published: May 2016

AbstractAstudy to assess the perturbation of organic stereoisomeric equilibria caused by aggregation effects in solution is undertaken using the amphiphilic dicarboxylic acids (Ia), (Ib) and, for comparison, the dienone (II).
ChemInform Abstract: The Mechanism of Thermal Eliminations. Part 18. Relative Rates of Pyrolysis of 2‐Ethoxypyrazine, 3‐Ethoxypyridazine, 2‐ and 4‐Ethoxypyrimidine, 3‐Chloro‐6‐eth‐ oxypyridazine, and 2‐Chloro‐4‐ethoxypyrimidine.
Authors: AL‐AWADI N. , TAYLOR R. 
Published: May 2016

AbstractThe rate of thermal release of ethylene from (I)‐(VI) at 650 K increases in the order shown. The C‐N π‐bond order appears to be the more important electronic effect compared with the influences of the "aza" substituent.
ChemInform Abstract: Stable Perfluoroalkyl Carbanion Salts.
Authors: SMART B. E. , MIDDLETON W. J. , FARNHAM W. B. 
Published: May 2016

AbstractReaction of the perfluorinated olefins (I) with the difluorosiliconate (II) yields the stable TAS tert. carbanion salts (III).
ChemInform Abstract: Nucleophilic Capture of 2‐Bicyclo[2.1.1]hexyl Cations.
Authors: KIRMSE W. , ZELLMER V. , GOER B. 
Published: May 2016

AbstractThe degenerate rearrangements of the parent‐ 2‐bicyclo[2.1.l]hexyl cation (II) in aqueous media are probed with the aid of optically active, deuterium‐labeled, and 13C‐labeled Substrates.
ChemInform Abstract: Zwitterionic Tetramethylenes as the Common Intermediates in the Cycloaddition and Polymerization Reactions of N‐Vinylcarbazole with Electrophilic Tetrasubstituted Ethylenes: A New Explanation for "Charge‐Transfer" Initiation.
Authors: GOTOH T. , PADIAS A. B. , HALL H. K. JUN. 
Published: May 2016

AbstractAn equimolar mixture of the olefins (I) and (II) quantitatively yields the cyclobutane (IV) via an electron donor‐acceptor complex and the zwitterionic intermediate (III) which can be trapped with methanol.
ChemInform Abstract: The Preparation and Characterization of Radical Cation Salts Derived from Perfluorobenzene, Perfluorotoluene, and Perfluoronaphthalene.
Authors: RICHARDSON T. J. , TANZELLA F. L. , BARTLETT N. 
Published: May 2016

AbstractSalts (II), (V), and (VII) are prepared, as shown for (I), by oxidation of the corresponding aromatic molecu‐ 1e. (II) decomposes as does (V) above room temp. to give the same products as obtained from the attack of fluoride ion on e.g. (II).
ChemInform Abstract: Photogenerated Semi‐Enone Radical Anions: A New Perspective on the Reactions of 10‐(Hydroxymethyl)‐2‐octalone Tosylate.
Authors: GIVENS R. S. , ATWATER B. W. 
Published: May 2016

AbstractIn contrast to the reductive electrontransfer process of (I) which leads to the ketone (III) as main product, the photomediated bimolecular electron‐transfer yields predominantly (II) with amines such as triethylamine as electron‐donors.
ChemInform Abstract: ESR Evidence for Rapid Cyclization of Alkenyl Radicals Formed by Readily Occurring l,5‐ and l,6‐Hydrogen Shifts in Vinyl Radicals.
Authors: GILBERT B. C. , PARRY D. J. 
Published: May 2016

AbstractThe alkyl radical generated from propanol by OH′‐oxidation adds to butynedioic acid to give the radical (I).
ChemInform Abstract: Oxidative Cleavage of Benzyl Ethers by Use of Oxoaminium Salt.
Authors: MIYAZAWA T. , ENDO T. 
Published: May 2016

AbstractThe nitroxyl radical (I) is converted into the oxopiperidinium salts (II), which are used for the oxidative cleavage of the benzyl ethers (III) giving benzaldehyde (IV) and the corresponding halides (V).
ChemInform Abstract: Synthesis, Vibrational Spectra, and Crystal Structure Analysis of Di‐ and TrifIuorotetramethylammonium Salts.
Authors: BRAUER D. J. , BUERGER H. + , GRUNWALD M. , PAWELKE G. , WILKE J. 
Published: May 2016

AbstractThe title salts (II) and (VI) are prepared by quaternization of the corresponding amine.
ChemInform Abstract: Alkylation Stereochemistry of Camphor Derivatives of Glycinates.
Authors: MCINTOSH J. M. , LEAVITT R. K. 
Published: May 2016

AbstractThe (D)‐camphor‐imine (I) is alkylated via (II) to produce a mixture of the diastereomers (IV); the diastereomeric ratio depends on the amount of alkylating agent employed.
ChemInform Abstract: Palladium‐Catalyzed Carbonylation of Aryl Triflates. Synthesis of Arenecarboxylic Acid Derivatives from Phenols.
Authors: CACCHI S. , CIATTINI P. G. , MORERA E. , ORTAR G. 
Published: May 2016

Abstractβ‐Naphthyl triflate (I) is converted to the carboxylic acid derivatives (III) by carbonylation in the presence of alcohols or amines.
ChemInform Abstract: The Stereostructures of [1,1′‐Bicyclohexyl]‐2,2′‐diones: A Reassignment.
Authors: DENMARK S. E. , CRAMER C. J. , STERNBERG J. A. 
Published: May 2016

Abstractl‐Nitrocyclohexene (I) and cyclohexene (II) are combined to give the derivatives (III)‐(V).
ChemInform Abstract: Reactions of Enamines of Cyclic Ketones with Methyl Propiolate.
Authors: VOS G. J. M. , BENDERS P. H. , REINHOUDT D. N. , EGBERINK R. J. M. , HARKEMA S. , VAN HUMMEL G. J. 
Published: May 2016

AbstractDie Enamine (I) reagieren mit Propiolsäuremethylester (II) zu den Cycloaddukten (III), die einer conrotatorischen Ringöffnung zu den cis,trans‐Dienen (IV) unterliegen.
ChemInform Abstract: Modification of Tube Size and Shape in a Helical Tubuland Inclusion Lattice Formed by a New Family of Diol Hosts: Syntheses and Crystal Structures.
Authors: DANCE I. G. , BISHOP R. , HAWKINS S. C. , LIPARI T. , SCUDDER M. L. , CRAIG D. C. 
Published: May 2016

AbstractThe exo‐,exodihydroxybicyclononane (IIa) and the anti‐,anti‐dihydroxytricycloundecane (I Ib) as well as the syn‐,syn‐dihydroxytricycles (V) are prepared from the corresponding dimethylene compounds (I) or from the diketones (III).
ChemInform Abstract: Carbomethoxyethylation of Aryl and Alkyl Bromides Catalyzed by Nickel Complexes.
Authors: LEBEDEV S. A. , LOPATINA V. S. , BERESTOVA S. S. , PETROV E. S. , BELETSKAYA I. P. 
Published: May 2016

AbstractThe reactions between the aryl or secondary alkyl bromides (I) and methyl acrylate (II) in the presence of H2O, Py and Ph3P · NiCl2 /Zn afford the methyl propanoates (III) in fair to good yields.
ChemInform Abstract: A Versatile Reagent for Synthesis of α‐Hydroxy Aldehydes and Ketones ‐ Methylthiomethyl p‐Tolyl Sulfone.
Authors: OGURA K. , TSURUDA T. , TAKAHASHI K. , IIDA H. 
Published: May 2016

AbstractMethylthiomethyl p‐tolyl sulfone (I) is alkylated giving (II); lithiation and reaction with the aldehyde (III) yields the adducts (IV).
ChemInform Abstract: Asymmetric Oxidation of Sulfides to Sulfoxides with Trivalent Iodine Reagents.
Authors: IMAMOTO T. , KOTO H. 
Published: May 2016

AbstractThe diester derivatives (I) of L‐tartaric acid anhydride are combined with iodosylbenzene (II) to produce the chiral oxidation agents (III), which convert the sulfides (IV) to the optically active sulfoxides (V).
ChemInform Abstract: Synthesis of Azuleno[1,2‐b]pyrrole and Azuleno[1,2‐b]furan.
Authors: FUJIMORI K. , FUKAZAWA H. , NEZU Y. , YAMANE K. , YASUNAMI M. , TAKASE K. 
Published: May 2016

AbstractThe reaction of the furanone ester (I) with the enamines (II) produces the isomeric esters (III) and (IV).
ChemInform Abstract: 3‐Methoxy‐1,2‐benzisothiazol‐5‐ylacethydrazide and Esters of 3‐Phenylhydrazino‐1,2‐benzisothiazol‐5‐ylacetic Acid.
Authors: VICINI P. , PELIZZI G. , VITALI F. 
Published: May 2016

AbstractDie Umsetzung der Benzisothiazolylessigsäureester (I) mit Hydrazinhydrat führt zu den Hydraziden (II), während die entsprechende Umsetzung mit den Phenylhydrazinen (III) unter Substitution der Methoxygruppe zu den Hydrazinderivaten (IV) führt.
ChemInform Abstract: Strategies and Intermediates for Fredericamycin A Synthesis: A 3‐Substituted 9‐Alkoxy Cyclopenta[g]isoquinoline‐1,8(2H)‐dione.
Authors: PARKER K. A. , BREAULT G. A. 
Published: May 2016

AbstractThe preparation of the intermediate (VIII) for the synthesis of fredericamycin A is described.
ChemInform Abstract: Electrochemical Synthesis of Unsymmetrical Tetrathiafulvalene Derivatives.
Authors: MORAND J. P. , BRZEZINSKI L. , MANIGAND C. 
Published: May 2016

AbstractAlkylation of the trithiocarbonates (I) and (IV) with the oxonium tetrafluoroborates (II) affords the alkylthiodithiolium salts (III) and (V), which are reduced to a mixture of ortho‐thiooxalates (VI)‐(VIII).
ChemInform Abstract: Preparation of 18‐ and 22‐Membered Tetraaza Macrocycles and Their Copper(II) Complexes.
Authors: FUJIWARA M. , WAKITA H. , MASUDA I. , MATSUSHITA T. , SHONO T. 
Published: May 2016

AbstractThe bis(thioxobutenyl) ethylenediamine derivative (I) is coupled with the diamines (II) to produce the macrocyclic tetraaza derivatives (III).