bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: “Higher Order” Cyanocuprates R2Cu(CN)Li2: Discrete Reagents of “Lower Order” LiCN‐Modified Gilman Cuprates?
Authors: LIPSHUTZ B. H. , SHARMA S. , ELLSWORTH E. L.
Published: May 2016

The generation of the title compound (I) is accomplished in both THF and Me2S/Et2O from the usual admixture of 2 equiv. MeLi in Et2O with CuCN.
ChemInform Abstract: Five‐ and Six‐Membered Exo‐Cyclopalladated Compounds of N‐Benzylideneamines. Synthesis and X‐Ray Crystal Structure of Cyclic (PdBr(p‐MeOC6H3(CH2)2N=CH(2,6‐Cl2C6H3))(PPh3)) and (PdBr(C6H4CH2N=CH(2,6‐Cl2C6H3))(PEt3)2).
Authors: ALBERT J. , GOMEZ M. , GRANELL J. , SALES J. , SOLANS X.
Published: May 2016

The imine (I) is cyclometalated to give the "endo" complex (III), which gives the corresponding bromo‐bridged compound on reaction with LiBr.
ChemInform Abstract: Transformation of O2S(CCCMe3)2 to an exo‐Alkylidenethiete 1,1‐Dioxide Ligand by Pt‐H Addition and Rearrangement Reactions.
Authors: LUKEHART C. M. , MCPHAIL A. T. , MCPHAIL D. R. , OWEN M. D.
Published: May 2016

Reaction of the dialkynyl sulfone (I) with the Pt complex (II) results in cyclization, producing the thiete 1,1‐dioxide Pt complex (III).
ChemInform Abstract: Inter‐ and Intramolecular Hetero‐Diels‐Alder Reactions. Part 29. Synthesis of Enantiomerically Pure Heterosteroids by Intramolecular Hetero‐Diels‐Alder Reaction.
Authors: TIETZE L. F. , BEIFUSS U. , LOEKOES M. + , RISCHER M. , GOEHRT A. + , SHELDRICK G. M.
Published: May 2016

The title compounds (I) and (V) are produced with high diastereoselectivity by a new general pathway.
ChemInform Abstract: Fluorination of Sulfur‐Containing Amino Acids: Reaction of Xenon Difluoride with Cysteine Derivatives.
Authors: HUANG X. , BLACKBURN B. J. , AU‐YEUNG S. C. F. , JANZEN A. F.
Published: May 2016

The reaction of XeF2 with cysteine derivatives such as (I) leads to the fluorinated products (II) and (III), which decompose to give the alkenes (IV) and (V).
ChemInform Abstract: Synthesis of N‐(4‐(2‐(2,4‐Diamino‐1,6‐dihydro‐6‐oxo‐5‐pyrimidinyl)ethylamino)benzoyl)‐L‐glutamic Acid. An Acyclic Analogue of 5,6,7,8‐Tetrahydrofolic Acid.
Authors: KELLEY J. L. , MCLEAN E. W.
Published: May 2016

The title compound L‐(IVa), a two carbon analogue of 5‐DACTHF L‐(IVc), is found to be less cytotoxic toward Detroit 98 or L cells than L‐(IVc).
ChemInform Abstract: Studies in Nucleosides. Part 27. Synthesis of 2,4‐Bis(methylthio)‐5‐methyl‐7‐substituted‐7H‐pyrrolo(2,3‐d)pyrimidines and Their Biological Activity.
Authors: DEO K. , AVASTHI K. , PRATAP R. , BHAKUNI D. S. , JOSHI M. N.
Published: May 2016

The pyrrolopyrimidine (IV) is converted to a series of 7‐alkyl/aryl derivatives of type (VI) (15 examples) which may be considered as acyclic nucleosides.
ChemInform Abstract: A Radical Cyclisation Route to Bullatenone, a Natural 3(2H)‐Furanone.
Authors: SRIKRISHNA A.
Published: May 2016

The furanone (V) is prepared via radical cyclisation of the alkyne (III).
ChemInform Abstract: Studies on the Reactivity of Bicyclomycin with Thiols.
Authors: ABUZAR S. , KOHN H.
Published: May 2016

The chemical reactivity of the antibiotic bicyclomycin (I) with thiols such as ethanethiol is investigated.
ChemInform Abstract: Oxidation of Bi(Pb)‐Sr‐Ca‐Cu‐Ag Metallic Precursors to Produce Oxide/Ag Superconducting Microcomposites.
Authors: GAO W. , LI S.‐C. , RUDMAN D. A. , YUREK G. J. , VANDER SANDE J. B.
Published: May 2016

Melt‐spun metallic precursors ribbons with nominal composition Bi1.4Pb0.6Sr2Ca3Cu4Agx (x = 3‐11) are subjected to a two‐step treatment: first oxidation and then annealing under controlled atmosphere.
ChemInform Abstract: A 5.5 Ah Ca/Sr(AlCl4)2‐SOCl2 C‐Size Cell
Authors: COHEN R. , LAVI Y. , PELED E.
Published: May 2016

is developed and found to have about 30% more capacity than a previously described Ca/SOCl2 cell, which has a smaller electrode area and a Tefzel separator with lower porosity.
ChemInform Abstract: Modulated Reflectance Spectroscopy and Voltammetry of the Sulfide/Gold System.
Authors: LEZNA R. O. , DE TACCONI N. R. , ARVIA A. J.
Published: May 2016

The electrosorption of sulfide species on Au and the growing conditions for S‐containing multilayers are investigated using the combined title methods (pH 7.0 and 9.2, 25 °C).
ChemInform Abstract: Corrosion Reactions of Liquid Sodium with Platinum.
Authors: BORGSTEDT H. U. , BHAT N. P.
Published: May 2016

Corrosion and solubility tests of Pt in liquid Na at 340 and 390 °C show that considerable amounts of Pt are dissolved in the liquid metal.
ChemInform Abstract: Organolanthanoid‐Catalyzed Cyclodimerizations of Disubstituted Alkynes.
Authors: HEERES H. J. , HEERES A. , TEUBEN J. H.
Published: May 2016

The lanthanoid alkyls (η5‐C5Me5)2LnCH(SiMe3)2 (Ln: La, Ce) are efficient catalysts for the cyclodimerization of the 2‐alkynes (I) and (IV) to the 1,2‐disubstituted 3‐alkylidenecyclobutenes (II), and (V) + (VI) with dominating (V).
ChemInform Abstract: A Route to Linear, Bridged, or Spiro Polycyclic Compounds: Sequential Use of the Intermolecular Diels‐Alder Reaction and Radical Cyclization.
Authors: CLIVE D. L. J. , BERGSTRA R. J.
Published: May 2016

Diels‐Alder reaction of the phenylseleno‐substituted dienes (I) and (VI) with the dienophiles (II) or (VII) produces the cycloadducts (III) and (VIII).
ChemInform Abstract: Migration of a Benzyl Group in the Lossen‐Like Rearrangement of an N‐Phosphinoyl‐O‐sulfonylhydroxylamine.
Authors: HARGER M. J. P. , SMITH A.
Published: May 2016

To study the mechanism of the Lossen‐like rearrangement the phosphino derivative (I) is treated with tBu‐NH2 or alkoxides.
ChemInform Abstract: Electron Transfer Induced Photochemical Reactions of (Silylallyl)iminium and Benzylpyrrolinium Salts by Dual Diradical and Diradical Cation Cyclization Pathways.
Authors: CHO I.‐S. , TU C.‐L. , MARIANO P. S.
Published: May 2016

The electron transfer induced photocyclization of a series of the title compounds such as (I), (IV) or (VII) is investigated in order to get information about their mechanistic course and to probe their synthetic potential.
ChemInform Abstract: 1‐Oxabicyclobutonium Ions Can Intervene in Epoxycarbinyl and 3‐Oxetanyl Solvolyses.
Authors: FRANCL M. M. , HANSELL G. , PATEL B. P. , SWINDELL C. S.
Published: May 2016

Solvolysis of erythro‐ (I) and threo‐epoxide (V) yields stereospecifically trans‐ and cis‐oxetane derivatives (III) + (IV) and (VII) + (VIII), respectively.
ChemInform Abstract: Electrophilic Reactions at Single Bonds. Part 24. Trifluoromethanesulfonic Acid Catalyzed Electrophilic Sulfuration of Alkanes (Cycloalkanes) with Elemental Sulfur to Dialkyl (Dicycloalkyl) Sulfides.
Authors: OLAH G. A. , WANG Q. , PRAKASH G. K. S.
Published: May 2016

The superacid‐catalyzed sulfuration of alkanes such as (I) to give the sulfides (III) is the first selective preparative sulfuration reaction of saturated hydrocarbons.
ChemInform Abstract: Organomanganese(II) Reagents. Part 19. Acylation of Organomanganese Chlorides by Carboxylic Acid Chlorides in THF: A Clear Improvement in the Field of the Preparation of Ketones from Organomanganese Compounds.
Authors: CAHIEZ G. , LABOUE B.
Published: May 2016

The Grignard compounds (I) are transmetallated with MnCl2·LiCl (II) to form the intermediate organomanganese chlorides (III) which are coupled with the acyl chlorides (IV) to produce the ketones (V).
ChemInform Abstract: t‐Butoxyethyne as a Convenient Source of Ketene: Acetylation of Amines Under Essentially Neutral Conditions.
Authors: VALENTI E. , PERICAS M. A. , SERRATOSA F. , MANA D.
Published: May 2016

Reaction of the amines (I) with the ketene derived from (II) to give the acetamides (III) represents a convenient alternative to the currently available methods for the acetylation of amines under mild and neutral conditions.
ChemInform Abstract: Organic Syntheses via Transition Metal Complexes. Part 41. Thioenol Ether by Insertion of Alkynes Into M=C Bonds of Thiocarbene Complexes and Disengagement of Ligands on Silica Gel.
Authors: AUMANN R. , SCHROEDER J. + , HEINEN H.
Published: May 2016

The insertion of the C≡C group of the electron‐rich alkyne (II) into the M=C bond of complexes such as (I) or (IV) forms stereoselectively the (E)‐complexes (III) or (V); with W but not with Cr in addition small amounts of indanone derivatives (VI)‐(VIII) are also obtained (mechanism described).
ChemInform Abstract: Direct Selective Acylation of an Unactivated C‐H Bond in a Caged Hydrocarbon. Approach to Systems for C‐H Bond Functionalization That Proceed Catalytically and Selectively at High Substrate Conversion.
Authors: PROSSER‐MCCARTHA C. M. , HILL C. L.
Published: May 2016

Irradiation of MeCN solutions of the caged hydrocarbon (I) containing Na4W10O32 or (Bu4N)4W10O32 under argon leads to the selective production of the 1‐acetyl derivative (IIIa); (IIIb) is the product when CD3CN is used as the solvent.
ChemInform Abstract: Asymmetric Induction of Chiral Heterocyclic Compounds: Highly Diastereoselective Reaction of 5‐Oxa‐7,8a‐diazaperhydroazulen‐8‐ones with Organometallic Reagents.
Authors: TAKAHASHI H. , MORIMOTO I. , HIGASHIYAMA K.
Published: May 2016

(S)‐Proline (I) reacts with potassium cyanate (II) to produce the ureas (III) which are converted into the oxadiazaperhydroazulenones (V) by cyclization with the aromatic aldehydes (IV).
ChemInform Abstract: Sulfone‐Mediated Rupe and Raphael Rearrangements.
Authors: BARRE V. , MASSIAS F. , UGUEN D.
Published: May 2016

The propargylic sulfones (I) react with sodium methoxide (II) in methanol to form the enol ethers (III) which are hydrolyzed, producing the β‐keto sulfones (IV).
ChemInform Abstract: Synthesis of 1‐Aryl‐5‐chloropyrazoles.
Authors: DUDINOV A. A. , BELEN'KII L. I. , KRAYUSHKIN M. M.
Published: May 2016

The arylhydrazones (IIIa) ‐ (IIIc) undergo acid‐induced intramolecular ring closure to form the pyrazoles (IVa) ‐ (IVc).
ChemInform Abstract: Stereoselective Intramolecular Nitrone Cycloadditions Promoted by an Allylic Stereocenter.
Authors: ANNUNZIATA R. , CINQUINI M. , COZZI F. , RAIMONDI L.
Published: May 2016

Reduction of the esters (I), followed by esterification of the alcohols obtained with bromoacetyl bromide (II), and subsequent treatment with silver nitrate (III) produce the nitric acid esters (IV).
ChemInform Abstract: Palladium‐Catalyzed (2,3)Rearrangement of Alkyl Allyl Sulfites to Alkyl Allylsulfonates.
Authors: TAMARU Y. , NAGAO K. , BANDO T. , YOSHIDA Z.
Published: May 2016

Pd(0)‐catalyzed (2,3)rearrangement of the allyl phenethyl sulfites (I) produces the allylsulfonates (II) and (III).
ChemInform Abstract: Investigation of the One‐Pot Synthesis of N‐(5,6,7,8‐Tetrahydro‐7,7‐dimethyl‐2,5‐dioxo‐2H‐1‐benzopyran‐3‐yl)benzamide.
Authors: KOCEVAR M. , POLANC S. , VERCEK B. , TISLER M.
Published: May 2016

An optimum yield of 58% of the title compound (IV) is attained by reacting equimolar amounts of dimedone (I), hippuric acid (II) and triethyl orthoformate (III) under the conditions shown.
ChemInform Abstract: Synthesis and Properties of Ethanediylidene‐2,2′‐bis(4,5‐ethylenedithio‐1,3‐dithiole). A Vinylogous BEDT‐TTF.
Authors: KHODORKOVSKII V. YU. , VESELOVA L. N. , NEILAND O. YA.
Published: May 2016

In order to obtain further insight into the influence of the structure of electron donators on the electrophysical properties of crystalline solids, the vinylogous BEDT‐TTF (III) is synthesized and characterized.
ChemInform Abstract: Synthesis of 4‐Azidohexahydropyrimidine‐2‐thiones Useful as Effective Amidoalkylating Reagents.
Authors: SHUTALEV A. D. , IGNATOVA L. A. , UNKOVSKII B. V.
Published: May 2016

The title compound (III), prepared from the hydroxy or alkoxy compounds (I), is stable against hydrolysis or alcoholysis at room temperature.
ChemInform Abstract: Synthesis of Substituted 8,9‐Dihydro‐7H‐1,2,4‐triazolo‐(4,3‐b)‐1,2,4‐triazepines.
Authors: JAENECKE G. , VOIGT H. , HEYDENHAUSS D.
Published: May 2016

The reaction of pyrimidines of type (I) with hydrazine does not give the expected 3‐aminotriazolo(1,5‐a)pyrimidines or pyrimido(1,2‐b)tetrazines but the triazepines of type (III) (13 examples).
ChemInform Abstract: Atropisomers of 1,4‐Benzodiazepines. Synthesis and Resolution of a Diazepam‐Related 1,4‐Benzodiazepine.
Authors: GILMAN N. W. , ROSEN P. , EARLEY J. V. , COOK C. , TODARO L. J.
Published: May 2016

A novel method for resolution of the known asym.
ChemInform Abstract: 3a‐Azaazulenones with a Carbonyl Group in the 5‐Membered Ring.
Authors: FLITSCH W. , HOHENHORST M.
Published: May 2016

3a‐Azaazulenones bearing the carbonyl group in the five‐membered ring are expected to be less stable than their known analogues, which bear the carbonyl function in the seven‐membered ring.
ChemInform Abstract: Anomalous Reaction of Pentafluorophenacyl Bromide with Hexamethylenetetramine. Structure of the Product.
Authors: HENRY R. A. , HOLLINS R. A. , LOWE‐MA C. , MOORE D. W. , NISSAN R. A.
Published: May 2016

The phenacyl bromide (I) mentioned in the title reacts with hexamethylenetetramine (IIa) and the triazaadamantanes (IIb) ‐ (IId) to give the corresponding fused indoles (III).
ChemInform Abstract: Pyrazole‐Organoboranes. Part 7. Addition Complexes of Pyrazolylboranes.
Authors: YALPANI M. , BOESE R. , KOESTER R. +
Published: May 2016

The slow addition of a toluene solution of pyrazoles (II) to a solution of one equivalent of the dimer (I) gives the complex (III).
ChemInform Abstract: Some Dimethyl Ether Adducts of Silyl and Germyl Halides.
Authors: BLAKE A. J. , CRADOCK S. , FRANKLIN K. C. , FRASER S. G.
Published: May 2016

The ether adducts (I) are formed from a mixture of corresponding silyl and germyl halides in Me2O at low temp. and are stable only below their melting points.
ChemInform Abstract: Synthesis of the First Silaamidide.
Authors: UNDERINER G. E. , WEST R.
Published: May 2016

The first silaamidide ion is prepared as the Li salt (VII) and its ether complexes (VI) and (IX) according to the scheme.
ChemInform Abstract: 1,5‐Sigmatropic Rearrangements of Diels‐Alder Adducts in the Reaction of Alkatrienylphosphonates with Alkyl Acetylenecarboxylates ‐ A New Method for the Synthesis of Benzyl‐ and Phenylphosphonates.
Authors: MONDESHKA D. , TANCHEVA C. , ANGELOV C.
Published: May 2016

The reaction of the alkatrienylphosphonates (I) and (V) with the acetylenecarboxylic acid esters (II) and (VI) proceeds via 1,5‐sigmatropic rearrangement and aromatization of the initially formed Diels‐Alder adducts to give the benzylphosphonates (III) and the phenylphosphonates (VII), respectively.
ChemInform Abstract: Adduct of a Five‐Membered Trisulfurdinitrogen Dioxide Ring with Titanium Tetrachloride.
Authors: ROESKY H. W. , SCHIMKOWIAK J. , SCHMIDT H.‐G. , NOLTEMEYER M. , SHELDRICK G. M.
Published: May 2016

Reaction of S6N4O4 with TiCl4 leads to (I).
ChemInform Abstract: Coordination Chemistry of π‐Bonded Cyclopentadienyl Chalcogeno Ethers. Part 1. Chelate Complexes of Pentakis(methylthio)cymantrene with Metal Carbonyls.
Authors: SUENKEL K. + , BLUM A. , POLBORN K. , LIPPMANN E.
Published: May 2016

(IIIc) and (IIId), the latter in a mixture with (VI) via unstable intermediates, are obtained with Cr(CO)3(NCMe)3 (hexane, reflux, 45% yield) and (p‐xylene)Mo(CO)3 (THF, ‐78 to 20 °C, 22% yield).
ChemInform Abstract: Synthesis and Reactivity of Chiral Rhenium Alcohol Complexes of the Formula ((η5‐C5H5)Re(NO)(PPh3)(ROH))+BF‐ 4.
Authors: AGBOSSOU S. K. , SMITH W. W. , GLADYSZ J. A.
Published: May 2016

The title complexes such as (III) produce (IV) which in turn can react with HBF4·Et2O to give (III).
ChemInform Abstract: Zn(II),Fe(III) and Fe(II),Fe(III) Complexes with a Novel (μ‐Phenoxo)bis(μ‐diphenylphosphato)dimetal(II,III) Unit as Model Compounds for Active Centers of Violet Phosphatases.
Authors: SCHEPERS K. , BREMER B. , KREBS B. , HENKEL G. , ALTHAUS E. , MOSEL B. , MUELLER‐WARMUTH W. +
Published: May 2016

The binuclear metal(II),Fe(III) complexes (I) are synthesized by reaction of 2,6‐bis(bis(2‐pyridylmethyl)aminomethyl)‐4‐methylphenol with equimolar amounts of Fe(ClO4)3 and ZnBr2 or with two equivalents of Fe(ClO4)3 in methanol with addition of diphenylphosphate (yields not given).
ChemInform Abstract: Synthesis and Dioxygen Reactivity of Dinuclear Copper‐Phenolate and Copper‐Phenol Complexes with Pyrazole and Pyridine Donors.
Authors: SORRELL T. N. , VANKAI V. A.
Published: May 2016

The reactivity of the copper complexes derived from the new hybrid ligands (V) is compared with the reaction chemistry of Cu(I) complexes of related dinucleating ligands containing two equal residues (pyridylethyl or pyrazolylethyl) attached to the amino nitrogen in the side chains of the phenol derivative.
ChemInform Abstract: Reactivity of PPh3 Toward Ru2Cl(μ‐O2CAr)4: Isolation of Asymmetric, Trapped Mixed‐Valence Diruthenium(III,II) Compounds with an (Ru2(μ‐OH2)(μ‐O2CAr)3+ 2) Core (Ar: Ph, C6H4‐p‐OMe).
Authors: DAS B. K. , CHAKRAVARTY A. R.
Published: May 2016

The paramagnetic title compounds (V) are obtained by reacting the tetrakis(μ‐carboxylato)chloro‐Ru2 complex (I) with two mol PPh3 (II) as shown.
ChemInform Abstract: Photophysics and Photoredox Reactions of Ligand‐Bridged Binuclear Polypyridyl Complexes of Ruthenium(II) and of Their Monomeric Analogues.
Authors: KALYANASUNDARAM K. , NAZEERUDDIN MD. K.
Published: May 2016

Influence of the bridging ligand, spectator ligand and solvent on the photophysics and the absorption spectra of the MLCT excited states of the complexes (I)‐(IV) are presented.
ChemInform Abstract: Synthesis, Spectroscopy, and Photochemistry of Bis(bis(diphenylphosphino)methane)‐bis(2,5‐di‐isocyano‐2,5‐dimethylhexane)dirhodium(I).
Authors: CHE C.‐M. , LEE W.‐M. , KWONG H.‐L. , YAM V. W.‐W. , CHO K.‐C.
Published: May 2016

The novel title complex (I) is prepared by the reaction of the tetrakis(2,5‐diisocyano‐2,5‐dimethylhexane)dirhodium complex with the diphosphino ligand.
ChemInform Abstract: A Unique Transformation of 5‐Amino‐N′‐methoxyimidazole‐4‐carboxamidines by Diazotization: Synthesis of the 5‐Azido Analogue of AICA Riboside.
Authors: SAITO T. , ASAHI Y. , NAKAJIMA S. , FUJII T.
Published: May 2016

Consecutive treatment of the aminoimidazolecarboxamidoximes (I) with sodium nitrite and Na2CO3 as the base produces the azidocyanoimidazoles (II) which are converted into the aminoimidazoles (III) and (V).
ChemInform Abstract: Novel Strategy for the Construction of the Oligosaccharide Fragment of Calicheamicin γ1αI. Synthesis of the ABC Skeleton.
Authors: NICOLAOU K. C. , GRONEBERG R. D.
Published: May 2016

The ABC skeleton (XI) of the calicheamicin γ1αI oligosaccharide fragment can be prepared in optically active form following the reaction sequences shown in the scheme.
ChemInform Abstract: Silicon Molecular Layer Epitaxy
Authors: NISHIZAWA J. , AOKI K. , SUZUKI S. , KIKUCHI K.
Published: May 2016

(MLE).
ChemInform Abstract: Etching of Crystalline Silicon Using Germanium Tetrafluoride.
Authors: OKADA Y. , WAGNER S.
Published: May 2016

For the first time, GeF4‐H2 mixtures are used as etchant gas for crystalline silicon and found to have a high selectivity for Si vs.
ChemInform Abstract: The Use of Transition Metal Clusters in Organic Synthesis
Authors: SUESS‐FINK G. , NEUMANN F.
Published: May 2016

Review: (i.e.
ChemInform Abstract: Stable Phases Isotypical to Pd25Ge9.
Authors: ELLNER M. , EL‐BORAGY M.
Published: May 2016

Two new stable phases, Pd25Ga4.5As4.5 and Pd25Ga4.5Sb4.5, found by XRD in the systems Pd‐Ga‐As and Pd‐Ga‐Sb, are shown to be isotypic with the known phase Pd25Ge9 (hP34), a superstructure of Ni2In with constitutional vacancies.
ChemInform Abstract: Structure of Na3OCl.
Authors: HIPPLER K. , SITTA S. , VOGT P. , SABROWSKY H.
Published: May 2016

Single crystals of the title compound are grown from equimolar mixtures of Na2O and NaCl at 873 K. Na3OCl crystallizes in the cubic space group Pm3m with Z=1.
ChemInform Abstract: Electronic Spectra of (Mg,Co)2P2O7 Phases.
Authors: BARAN E. J. , NORD A. G. , DIEMANN E. , ERICSSON T.
Published: May 2016

The electronic reflectance spectra of (Mg,Co)2P2O7 solid solutions show the presence of two chromophoric groups, CoO6 and CoO5.
ChemInform Abstract: EPR Investigation of Paramagnetic Point Defects in ZnO and ZnO‐Supported Ruthenium.
Authors: MORAZZONI F. , SCOTTI R. , VOLONTE S.
Published: May 2016

Changes in the EPR lines following thermal vacuum treatment or contact with molecular O2 are used to study the nature of the ZnO point defects and the electron‐transfer processes at the ZnO/O2 interface.
ChemInform Abstract: ω‐LixV2O5, a New Electrode Material for Rechargeable Lithium Batteries.
Authors: DELMAS C. , BRETHES S. , MENETRIER M.
Published: May 2016

ω‐LixV2O5 (x ∼3) is prepared by intercalation of Li into V2O5 either electrochemically using a LiClO4/propylene carbonate electrolyte, a Li‐foil cathode, and a V2O5‐ketjen black mixture as anode, or chemically using excess BuLi.
ChemInform Abstract: Effect of Thermal Cycling on the Hydriding Rate of MmNi4.5Al0.5.
Authors: KIM S.‐R. , LEE J.‐Y.
Published: May 2016

Measurements of the hydriding rates of the activated title compound (Mm= misch metal: 28% La, 40% Ce, 4% Pr, 14% Nd, 7% other lanthanoids, 5% Fe, 2% Al + Ca + Mg) and of the thermally degraded alloy after 5500 absorption‐desorption cycles show that the hydriding rate‐controlling step changes from dissociative chemisorption of H2 molecules at the surface to hydrogen diffusion through the hydride phase with decreasing of the reversible absorption capacity during cycling.
ChemInform Abstract: 2,5‐Bis(trifluoromethyl)‐1,3,4‐oxadiazole in Cycloaddition Reactions.
Authors: VASIL'EV N. V. , LYASHENKO YU. E. , GALAXOV M. V. , KOLOMIETS A. F. , GONTAR' A. F. , SOKOL'SKII G. A.
Published: May 2016

The title compound (I) reacts with the olefins (II), (IV), or (X) to form the 7‐oxabicyclo(2.2.1)heptane derivatives (III), (V) ‐ (IX), or (XI).
ChemInform Abstract: New Chemistry of Amines. Part 3. New Syntheses of Alkenes and Alkynes from Amines.
Authors: GODFREY A. G. , GANEM B.
Published: May 2016

In the presence of rhodium catalysts N‐nitrosoacetamides, e.g. (I), (III), (V) and (VII) react to give alkenes.
ChemInform Abstract: Cooperative Reactivity in Photogenerated Radical Ion Pairs: Photofragmentation of Amino Ketones.
Authors: BERGMARK W. R. , WHITTEN D. G.
Published: May 2016

Irradiation of 9,10‐dicyanoanthracene (I) in the presence of amino ketone (II) in benzene‐d6 with a trace of water (0.011%) leads to an acylated form of (I) (either (V) or (VI)), morpholine (III), and acetone (IV).
ChemInform Abstract: Photolysis of Matrix‐Isolated Cyclic Iodides.
Authors: VANCIK H. , GABELICA V. , ROGAN V. , SUNKO D. E.
Published: May 2016

The photolyses of the cyclic iodides (I) and (II) in cryogenic matrices of different materials are studied.
ChemInform Abstract: New Chiral Auxiliaries for the Alkylation of Enolates.
Authors: JEONG K.‐S. , PARRIS K. , BALLESTER P. , REBEK J. JUN.
Published: May 2016

The tricycle (I) and some related compounds are shown to act as effective chiral auxiliaries in asym.
ChemInform Abstract: First Example of Electrophilic Addition of Perfluoroalkyl Iodides to Unsaturated Compounds.
Authors: ROZHKOV I. N. , IGUMNOV S. M. , PLETNEV S. I.
Published: May 2016

The perfluorohexyl iodide (I) is coupled with the unsaturated hydrocarbons (II) or (IV) in 2,2,2‐trifluoroethanol to give the addition products (III) and (V) respectively.
ChemInform Abstract: Allylation of N‐Sulfonyl Imines Produced in situ from Aldehydes and N‐Sulfinyl‐p‐toluenesulfonamide.
Authors: RALBOVSKY J. L. , KINSELLA M. A. , SISKO J. , WEINREB S. M.
Published: May 2016

The aldehydes (I) or (VIII) undergo cycloaddition reaction with N‐sulfinyl‐p‐toluenesulfonamide (II) in the presence of iron trichloride or tin tetrachloride to generate N‐tosylimines, e.g. (III), after extrusion of SO2 from the primary (2 + 2)cycloadducts.
ChemInform Abstract: Synthesis of Fluoromethoxythrin and Its Insecticidal Activity.
Authors: ZOU X. , GU K.
Published: May 2016

Both stereoisomers of the title compound are synthesized from the appropriate chrysanthemic acid as well as a mixture of the isomeric benzylic alcohols (II) as outlined for (III).
ChemInform Abstract: A New Simple Route to Styrylamides.
Authors: ESTEVEZ J. C. , VILLAVERDE M. C. , ESTEVEZ R. J. , SEIJAS J. A. , CASTEDO L.
Published: May 2016

Oxidative acetoxylation of the N‐phenethylbenzamides (I) produces the β‐acetoxy derivatives (III) which undergo thermally induced elimination of acetic acid, yielding the N‐styrylbenzamides (IV).
ChemInform Abstract: Studies in the Synthesis of Helical Naphthoquinone Oligomers. Part 1. 2,2′;3′,2′′‐Ter‐ and 2,2′;3′,2′′;3′′,2′′′‐Quater(1,4‐naphthoquinone).
Authors: LAATSCH H.
Published: May 2016

The title compounds (III) and (IV) are obtained by cooxidation of the phenolic precursors (I) and (II).
ChemInform Abstract: A Simple Route to 3‐Amino‐1,4‐dimethyl‐6‐hydroxy(or methoxy)carbazoles.
Authors: LANCELOT J.‐C. , LETOIS B. , RAULT S. , ROBBA M.
Published: May 2016

Esterification of the 1,4‐dimethyl‐6‐hydroxycarbazole (I) with ethyl chloroformate (II) yields the carbonate (III) which is nitrated with nitric acid (IV) to produce the mononitro‐ (V) or the dinitrocarbazole (VI).
ChemInform Abstract: Alkylation of 3,5‐Dimethylisothiazole. A Regioselective Synthesis of 5‐Alkyl‐3‐methylisothiazoles.
Authors: ALBEROLA A. , ANDRES C. , CASADO J. L. , GONZALEZ A. , PEDROSA R.
Published: May 2016

When 3,5‐dimethylisothiazole (I) is consecutively treated with one equivalent of a base ‐ preferably lithium diisopropylamide ‐ and an excess of the halides (II), only the methyl group in position 5 is attacked, yielding the 5‐alkyl‐3‐methylisothiazoles (III).
ChemInform Abstract: Structure of the Products from the Addition Reaction of Thiosemicarbazides and Thiosemicarbazones with Acetylenedicarboxyclic Acid and Its Dimethyl Ester.
Authors: KAUSS V. YA. , LIEPIN'SH E. E. , KALVIN'SH I. YA. , LUKEVITS E.
Published: May 2016

Thiosemicarbazides and thiosemicarbazones react with acetylenedicarboxylic acid (IIa) or its dimethylester (IIb) to give thiazolidines as outlined in the scheme.
ChemInform Abstract: Conjugate Addition of Cuprate Reagents to Chromones: A Route to 2‐Substituted Chroman‐4‐ones.
Authors: SAENGCHANTARA S. T. , WALLACE T. W.
Published: May 2016

Chromones, which are activated by an electron‐withdrawing group at C‐3, undergo efficient 1,4‐addition of cuprate reagents to give 2,3‐disubstituted chroman‐4‐ones.
ChemInform Abstract: Phase Transfer Catalyzed Alkylation: An Efficient Protection of Acid Labile Hemiketals.
Authors: SURYAWANSHI S. N. , MUKHOPADHYAY A. , BHAKUNI D. S.
Published: May 2016

The fused hemiacetals (I) and (IV) are protected by O‐alkylation with methyl iodide (II) in the presence of solid sodium hydroxide and tetrabutylammonium iodide to form the acetals (III) and (V).
ChemInform Abstract: Regiospecific Formation of Keto Amides During the Thermolysis of 2,6‐Epidioxypiperidine Derivatives.
Authors: SHUMAKOV S. A. , KAMINSKII V. A. , TILICHENKO M. N.
Published: May 2016

Thermolysis of the fused epidioxypiperidines (XI), prepared as outlined in the reaction scheme, yields the rearranged products (XII).
ChemInform Abstract: New Pyrimidine‐Mannich Bases of Possible Schistosomicidal Activity.
Authors: KAMEL M. M. , ABDOU W. A. M. , AMIN K. M. , KASSEM E. M. M. , SOLIMAN A. M.
Published: May 2016

The pyrimidine derivatives (VII) are prepared starting with the Mannich bases (IV) obtained from 2‐methyl‐4‐amino‐6‐hydroxypyrimidine (I) as outlined in the scheme.
ChemInform Abstract: Synthetic Studies Using 2‐Imino‐4‐thiazolidinones and Related Structures with Active Nitriles.
Authors: EL‐SHAFEI A. K. , EL‐SAYED A. M. , ABDEL‐GHANY H. , EL‐SAGHIER A. M.
Published: May 2016

Thiazolopyrimidines such as (III) and (V) are prepared by a one‐pot synthesis.
ChemInform Abstract: Het(arylation) of Substituted Acetonitriles. Part 3. Hetarylation of 2‐Pyridinyl‐ and 2‐Quinolinylacetonitrile with Chloroquinoxalines.
Authors: KOZYNCHENKO A. P. , VOLOVENKO YU. M. , BABICHEV F. S. , PROMONENKOV V. K.
Published: May 2016

The dichloroquinoxaline (I) is coupled with the hetarylacetonitriles (II) to give the (benzo‐fused) indolizinoquinoxalines (III).
ChemInform Abstract: Unsaturated Sulfinamides. Part 7. Unusual Lithiation of 4‐(1′,2′‐Alkadienesulfinyl)morpholines. Preparation of Substituted Propargylic Sulfinamides and Their Hydrolytic Desulfinylation into the Corresponding Allenes.
Authors: BAUDIN J.‐B. , JULIA S. A. , RUEL O. , WANG Y.
Published: May 2016

The allenenylsulfinylmorpholines (I) are lithiated and then treated with the electrophiles (II) to give the substituted propargylsulfinylamides (III).
ChemInform Abstract: Halogeno(silyl)phosphanes ‐ Synthesis and Properties.
Authors: STREUBEL R. , NIECKE E.
Published: May 2016

The chloro(silyl)phosphanes (III) are synthesized as shown.
ChemInform Abstract: Facile Formation and Reaction of Mixed Trimethylstannyl(methyl)cuprates.
Authors: OEHLSCHLAGER A. C. , HUTZINGER M. W. , AKSELA R. , SHARMA S. , SINGH S. M.
Published: May 2016

The mixed lithium trimethylstannyl(methyl)cuprate (III) generated by different methods is coupled with 2‐cyclohexenone (IX) to give the 3‐stannylated derivative (X).
ChemInform Abstract: Unpredictable Structural Features of Chromium(II) Pyrrolyls: Synthesis and X‐Ray Structures of Monomeric Square‐Planar (η1‐2,5‐Me2C4H2N)2Cr(py)2, Square‐Pyramidal (η1‐C4H4N)2Cr(py)3, Dimeric ((7‐azaindolyl)2Cr(DMF))2, and Polymeric ((η1‐2,5‐Me2C4N2)4CrNa2(THF)2(Et2O))n. An Aborted Cr‐Cr Quadruple Bond Formation?
Authors: EDEMA J. J. H. , GAMBAROTTA S. , MEETSMA A. , VAN BOLHUIS F. , SPEK A. L. , SMEETS W. J. J.
Published: May 2016

The title compounds (IV) (space group P1, Z=2), (VI) (P1, Z=1), (XIII) (P21/a, Z=2), and (IX) (P21, Z=2) are synthesized as shown and characterized by X‐ray structure analysis.
ChemInform Abstract: Synthesis of Technetium(V)‐Nitrido Complexes with Chelating Amines: A Novel Class of Monocationic, Octahedral Complexes Containing the (TcN)2+ Core. Crystal Structures of (TcN(en)2Cl)+ (en: Ethylenediamine) and (TcN(tad)Cl)+ (tad: 1,5,8,12‐Tetraazadodecane).
Authors: MARCHI A. , GARUTI P. , DUATTI A. , MAGON L. , ROSSI R. , FERRETTI V. , BERTOLASI V.
Published: May 2016

The nitrido‐Tc(V) complexes (III) ((IIIa): space group P21/n, Z=4) and (IV) (Pna21, Z=4) are synthesized as demonstrated for the diamine derivatives (III).
ChemInform Abstract: Reduction Pathways in Lateral and Diagonal (η5‐C5Me5)Re(CO)2Br2. Synthesis, Structure, Reactivity of ((η5‐C5Me5)Re(CO)2Br‐).
Authors: NUNN C. M. , COWLEY A. H. , LEE S. W. , RICHMOND M. G.
Published: May 2016

The anion of (II) (Pbca, Z = 8) is also obtained from the lateral complex (I) and its diagonal isomer with Grignard reagents, trialkylhydrido borates and one‐electron reducing agents.
ChemInform Abstract: Cobalt Complexes with Bulky Perfluorinated Alkyl Ligands. Synthesis, Characterization, and Molecular Structure of trans‐Bis(dimethylglyoximato)(pyridine)(F‐isopropyl)cobalt(III).
Authors: TOSCANO P. J. , BRAND H. , LIU S. , ZUBIETA J.
Published: May 2016

In the preparation of (III) (P21/m, Z=2) the amount of NaBH4 used is important to get an isolable organocobalt(III) complex.
ChemInform Abstract: Bimetallic μ‐Oxo Complexes Formed by Coordination of the Oxo Ligands of Cp2Mo=O and Cp2W=O to Rhodium(I) and Iridium(I) Centers.
Authors: PILATO R. S. , RUBIN D. , GEOFFROY G. L. , RHEINGOLD A. L.
Published: May 2016

The binuclear μ‐oxo complexes (III) are synthesized according to the scheme.
ChemInform Abstract: Formation of an Aminoreductone from Glucose.
Authors: ESTENDORFER S. , LEDL F. , SEVERIN T.
Published: May 2016

Heating of the Amadori compound (I) in buffered aqueous solution leads to the first detection of an C6‐aminoreductone (III).
ChemInform Abstract: Structure of Cerpegin, a New Alkaloid.
Authors: SIVAKUMAR K. , ESWARAMURTHY S. , SUBRAMANIAN K. , NATARAJAN S.
Published: May 2016

The new title alkaloid (I) is isolated from the plant Ceropegia juncea, which is used as a tranquillizer, antiinflammatory and antiulcer agent in the Indian indigenous system of medicine.
ChemInform Abstract: The Chemistry of Erythromycin. Reactions of Erythromycin A Imine and Its 6‐Methyl Ether with Aldehydes and Hydrazines.
Authors: DAVIES J. S. , HUNT E. , ZOMAYA I. I.
Published: May 2016

In order to complete the study of macrolides, some reactions of the imine derivatives (I) of erythromycin A, which is an important member of the macrolide group of antibiotics, are investigated.
ChemInform Abstract: TiOx/Al2O3 Multilayer Ceramic Thin Films
Authors: ALEXANDER K. B. , WALKER F. J. , MCKEE R. A. , LIST F. A. III
Published: May 2016

are grown by molecular beam epitaxy and characterized by reflection high‐energy electron diffraction and TEM.
ChemInform Abstract: Photoluminescence Intensities from GaAs Immersed in HCl Aqueous Solutions Diluted with Organic Solvents
Authors: AKITA K. , TANEYA M. , SUGIMOTO Y. , HIDAKA H.
Published: May 2016

are measured using the AlGaAs/GaAs heterostructure as internal reference.
ChemInform Abstract: Investigation of Lithium Diffusion in Octalithium Plumbate by Conductivity and NMR Measurements.
Authors: KONISHI S. , OHNO H. , HAYASHI T. , OKUNO K. , MATSUO T.
Published: May 2016

The electrical conductivity of polycrystalline Li8PbO6, prepared by solid state reaction of Li2O and PbO2 at 873 K, is measured in the range 300‐973 K. Comparison of the complex impedance data with 7Li NMR results indicates that the observed (very high) conductivity is predominantly caused by diffusion of lithium ions.
ChemInform Abstract: Rapid Formation of the 110 K Phase in Bi‐Pb‐Sr‐Ca‐Cu‐O Through Freeze‐Drying Powder Processing.
Authors: SONG K.‐H. , LIU H.‐K. , DOU S.‐X. , SORRELL C. C.
Published: May 2016

A comparison of the dry‐mixing and freeze‐drying techniques shows that the sintering time required to form single‐phase (Bi,Pb)2Sr2Ca2Cu3O10‐y (Tc = 110 K) can be reduced from 120 h at 850 °C (dry mixing) to 30 h at 840 °C (freeze‐drying).
ChemInform Abstract: Shock Processing of Bi‐Sr‐Ca‐Cu‐O and Tl‐Ba‐Ca‐Cu‐O Superconductors.
Authors: YOSHIMOTO M. , KOINUMA H. , YAMAMOTO H. , SAWAOKA A. B.
Published: May 2016

It is shown that a shock‐compaction treatment of a sintered Bi2Sr2Ca2Cu3Ox superconductor increases the Tc (onset) value from 85 to 93 K. In addition, shock processing is successfully applied to the synthesis of a Tl‐Ba‐Ca‐Cu‐O superconductor directly from a mixture of the metal oxides.
ChemInform Abstract: New Ternary Phases in Some Alkaline‐Earth Rare‐Earth Sulfide Systems.
Authors: PROVENZANO P. L. , WHITE W. B.
Published: May 2016

The new phases SrLa2S7, SrNd2S7, SrGd2S7, and CaGd2S7 are prepared by heating SrLa2S4, SrNd2S4, SrGd2S4, or CaGd2S4 in a flowing H2S atmosphere.
ChemInform Abstract: Fragmentation of Some Tosylhydrazones Using Electrochemically Generated Superoxide Ion.
Authors: SINGH M. , MISHRA S. C. , MISRA R. A.
Published: May 2016

The superoxide ion behaves as a mild effective base deprotonating tosylhydrazones such as (I).
ChemInform Abstract: Enantioselective Oxidation of Cyclic Dithioacetals and Dithioketals.
Authors: DI FURIA F. , LICINI G. , MODENA G.
Published: May 2016

The asym. oxidation of a series of dithioacetals and dithioketals to their corresponding monosulfoxides is carried out using the procedure A) previously developed.
ChemInform Abstract: Three‐Different‐Component (1 + 2 + n)Annulation Reactions: Ionic and Radical Cyclizations.
Authors: POSNER G. H. , ASIRVATHAM E. , HAMILL T. G. , WEBB K. S.
Published: May 2016

Conjugate addition reaction of tri(phenylthio)methyllithium (II) to the Michael acceptors (I) and subsequent alkylation with allyl bromides such as (III) or (VII) yield the disubstituted cyclohexanones or γ‐lactones (IV) and (VIII).
ChemInform Abstract: Isolation of Exceptionally Persistent Nitrogen‐Centred Free Radicals: N‐Arylthio‐2,4,6‐triphenylanilino Radicals.
Authors: MIURA Y. , TANAKA A.
Published: May 2016

Treatment of the N‐(arylthio)triphenylanilines (I) with lead dioxide leads to the formation of the radicals (II) which are not affected by oxygen in solution.
ChemInform Abstract: Transition‐Metal‐Catalyzed Oxidations. Part 2. Titanium‐ or Zirconium‐Catalyzed Selective Dehydrogenation of Benzyl Alcohols to Aldehydes and Ketones with tert.‐Butyl Hydroperoxide.
Authors: KROHN K. , KHANBABAEE K. , RIEGER H.
Published: May 2016

Prim. and sec. alcohols are selectively converted in high yields into the corresponding aldehydes using tert.‐butylhydroperoxide and catalytic amounts of Ti‐ or (better) Zr alcoholates.
ChemInform Abstract: Nickel‐Catalyzed Alkylative Alkenation of Orthothioesters with Grignard Reagents: a Convenient Procedure for Introducing the Isopropenyl Group. Synthesis of Substituted 1,3‐Bis(trimethylsilyl)propenes.
Authors: TZENG Y.‐L. , LUH T.‐Y. , FANG J.‐M.
Published: May 2016

The aromatic orthothioesters (I) reacts with the Grignard compounds (II) or (IV) in the presence of a nickel(II) catalyst to produce the 2‐arylpropenes (III) or the 1,3‐bis(trimethylsilyl)‐2‐arylpropenes (V).
ChemInform Abstract: Intramolecular Ene and Related Reactions. Part 5. Stereoselective Formation of trans‐1,2‐Disubstituted Cyclopentanes by Intramolecular Cyclization of Allylsilane‐alkylidene‐1,3‐dioxo Compounds.
Authors: TIETZE L. F. , RUTHER M.
Published: May 2016

The title dioxo compounds, e.g. (I), also undergo cyclization in the presence of Me2AlCl and trimethylsilyltriflate to give the trans cyclopentanes (II) as major products.
ChemInform Abstract: Heterocyclic Substituted Arenediazonium Salts with a Long‐Wavelength Range of Sensitivity. Part 2. 4‐(1‐Heterocyclidene‐2,3‐diaza‐prop‐2‐en‐3‐yl)‐arenediazonium Tetrafluoroborates.
Authors: FANGHAENEL E. + , TSCHOETSCH C. K. J. + , RICHTER A. M.
Published: May 2016

The title compounds (III) and their protonated analogues (V) are prepared as shown.
ChemInform Abstract: Photochemical Reaction of o‐Alkylphenyl 1,3‐Diketones. A New Method for the Preparation of Benzocyclobutenones.
Authors: YOSHIOKA M. , ARAI M. , NISHIZAWA K. , HASEGAWA T.
Published: May 2016

The o‐alkylphenyl 1,3‐diketones (I) undergo intramolecular cyclization upon irradiation, yielding the benzocyclobutenols (II).
ChemInform Abstract: Synthesis via Vinyl Sulfones. Part 40. Annulation Reactions of ortho‐Chloromethylarylcuprates.
Authors: NEVILL C. R. JUN. , FUCHS P. L.
Published: May 2016

The benzylamines (I) are ortho‐lithiated and then converted to the chloromethyl derivatives (III).
ChemInform Abstract: Preparation of Optically Active Stilbene Oxides via Sulfonium Salts Derived from C2 Symmetric Thiolanes.
Authors: BREAU L. , OGILVIE W. W. , DURST T.
Published: May 2016

The thiolane (I) reacts with benzyl bromide (II) and silver perchlorate to give the sulfonium perchlorate (III) which is converted stereoselectively to the oxirane (V) via an ylide intermediate generated in situ.
ChemInform Abstract: α‐Methylene‐β‐S‐thiolactones: Synthesis of a New Heterocycle by Sulfurization of an α‐Methylene β‐Lactone and Its Structure.
Authors: ADAM W. , HASEMANN L.
Published: May 2016

Starting from the novel 2‐(2‐adamantylidene)propionic acid (III) the hitherto unknown α‐methylene‐β‐S‐thiolactone (VII) is prepared.
ChemInform Abstract: A Method for the Synthesis of Alkynyl Phenyl Sulfides from Alkynyltrimethylsilanes. A Novel, Efficient Synthesis of the Thienamycin Intermediate from (R)‐3‐Hydroxybutyric Acid.
Authors: MIYACHI N. , SHIBASAKI M.
Published: May 2016

Treatment of the β‐amino thioloesters (I) with cuprous triflate and calcium carbonate in refluxing dioxane/benzene results in the formation of the β‐lactams (II) and (III).
ChemInform Abstract: Benzimidazole Antivirals. Regiospecific Synthesis of Aryl Benzimidazoyl Ketones by Sulfonamide Anion Displacement of Aromatic Fluoride.
Authors: DOMINIANNI S. J.
Published: May 2016

Enviroxime (IX), an antiviral agent, is synthesized from 3‐fluoro‐4‐nitrobenzoic acid (I) as shown in the reaction scheme.
ChemInform Abstract: Mechanistic Studies of Tetraphenylstibonium Iodide‐Catalyzed Cycloaddition of Oxiranes with Heterocumulenes.
Authors: FUJIWARA M. , BABA A. , MATSUDA H.
Published: May 2016

The preferred or exclusive formation of 3,4‐disubstituted oxazolidines (III), (VI) in detriment of the 3,5‐isomers (IV) is explained by the different reactive behavior of the two Sb‐containing intermediates.
ChemInform Abstract: Rearrangement of 5‐Azido‐1,2,3‐triazoles: Conjugation Effect of the N‐1 Substituent.
Authors: L'ABBE G. , VAN ESSCHE G. , MEUTERMANS W.
Published: May 2016

Thermolysis of the title compounds, e.g. (I), leads to tetrazoles.
ChemInform Abstract: A New Synthesis of o‐Quinonemethides and Their Inter‐ and Intramolecular Cyclization Reactions.
Authors: INOUE T. , INOUE S. , SATO K.
Published: May 2016

For the formation of chromanes (IV) and (VI) from 2‐(alkylthioalkyl)phenols (I) and (V) with Ag2O a mechanism involving a sulfonium species and formation of o‐quinonemethides (III) is proposed.
ChemInform Abstract: A New Spiro(2H‐naphtho(2,1,‐b)pyran‐2,2′‐2′H‐1′‐benzothiopyran) Giving a Near‐IR Absorption Band on UV Irradiation.
Authors: WATANABE S. , NAKAZUMI H. , MAEDA K. , KITANO T.
Published: May 2016

The dimethylbenzothiopyrylium perchlorate (I) reacts with 2‐hydroxy‐1‐naphthaldehyde (II) in ethanol to produce the 2‐vinylbenzothiopyrylium salt (III) which is coupled with the aldehydes (IV) and (VIII), yielding the vinylic derivatives (V) or (IX).
ChemInform Abstract: Facile Diastereoselective Synthesis of 2,6‐Dialkyl‐5‐methylene‐1,3‐dioxan‐4‐ones via α‐Activated Vinyl Esters.
Authors: DREWES S. E. , EMSLIE N. D. , KARODIA N. , KHAN A. A.
Published: May 2016

In the presence of DABCO the pantolactone (furanone) acrylate ester (I) undergoes aldol reaction with one molecule of the aldehydes (II) followed by nucleophilic attack on a second molecule of the aldehydes (III) and intramolecular transesterification to afford the title compounds (IV) in high yields and high diastereomeric but low enantiomeric excess.
ChemInform Abstract: Aromatizing Oligomerization of 1,2‐Diisocyanoarene to Quinoxaline Oligomers.
Authors: ITO Y. , IHARA E. , HIRAI M. , OHSAKI H. , OHNISHI A. , MURAKAMI M.
Published: May 2016

Treatment of the diisocyanotetramethylbenzene (I) with butylmagnesium bromide (II) results in cyclization to generate the intermediate Grignard compound (III) which reacts with further (I) to form quinoxaline oligomers as shown in the reaction scheme.
ChemInform Abstract: The Chemistry of Pyrrolic Compounds. Part 63. Synthetic Studies of Petroporphyrins with Fused Six‐Membered Ring Systems.
Authors: CLEZY P. S. , PRASHAR J. K.
Published: May 2016

The title compound (V) is synthesized by a strategy involving formation of the porphyrin macrocycle (III), followed by cyclization of a propanoyl chloride side chain in the presence of SnCl4.
ChemInform Abstract: Functionalized meso‐Arylporphyrins, Precursors for the Synthesis of Oligoporphyrinyls.
Authors: HAMMEL D. , KAUTZ C. , MUELLEN K. +
Published: May 2016

Lithiation and formylation of bromo‐substituted porphyrins, e.g (I), which are prepared under usual Adler‐Rothemund conditions, afford mixtures of monoaldehydes such as (III) and isomeric dialdehydes (IV) and (V).
ChemInform Abstract: Synthesis, Structure, and Reactivity of Aryloxo(imido)titanium Complexes.
Authors: HILL J. E. , PROFILET R. D. , FANWICK P. E. , ROTHWELL I. P.
Published: May 2016

The η2‐imino complex (I) reacts with azobenzene (II) in the presence of the pyridine (III) to the complex (IV) which, on heating, yields the new phenylimido complex (V) (space group P21/n, Z=4).
ChemInform Abstract: A Study of High Oxidation State Complexes of the Type (W(η5‐C5Me5)Me2X)2(μ‐N2), Including X‐Ray Structures of (W(η5‐C5Me5)Me2(OC6F5))2(μ‐N2) and (W(η5‐C5Me5)Me2(S‐2,4,6‐C6H2Me3))2(μ‐N2).
Authors: O'REGAN M. B. , LIU A. H. , FINCH W. C. , SCHROCK R. R. , DAVIS W. M.
Published: May 2016

A high yield route to the bridging dinitrogen complex (III) consists of the reduction of (I) by sodium amalgam in the presence of N2.
ChemInform Abstract: Galacturonic Acid Derivatives. Part 1. Galacturonates from Acetyl‐ and Isopropylidene‐D‐galactopyranoses.
Authors: VOGEL CHR. , BOYE H. , KRISTEN H.
Published: May 2016

Various acetyl‐protected galactopyranuronic acids such as (IV) or (VII) with differently protected carboxyl groups are synthesized.
ChemInform Abstract: Syntheses of Anomeric Glucopyranosylidene Diazides.
Authors: PRALY J.‐P. , EL KHARRAF Z. , DESCOTES G.
Published: May 2016

Substitution reaction of the geminal glucopyranosyl dihalide (I) with silver azide (II) yields the diazide (III) which is separated from the side‐product (IV) via derivatization of the latter by substitution reaction with methanol (V).
ChemInform Abstract: Novel and Facile Route to (.+‐.)‐Physovenine Via Intramolecular (2 + 2)Cycloaddition Reaction.
Authors: SHISHIDO K. , AZUMA T. , SHIBUYA M.
Published: May 2016

The 2‐aminoacetophenone (I) is converted to the isopropenyl derivative (II), which is cyclized via generation of the ketene (III) to produce the tricyclic ketone (IV).
ChemInform Abstract: Synthesis of Certain 6‐Alkylthio‐2,2′‐anhydro‐5‐azauridines.
Authors: PURKAYASTHA S. , PANZICA R. P.
Published: May 2016

With a view to developing selective inhibitors of pyrimidine enzymes the title compounds of type (V) are synthesized.
ChemInform Abstract: A New Route to 2′,3′‐Dideoxycytidine.
Authors: MOTAWIA M. S. , PEDERSEN E. B.
Published: May 2016

The title compound (VIII) and its α‐anomer (IX) are prepared by an analogous reaction sequence from the pentofuranosides (III) and (IV), respectively.
ChemInform Abstract: Conformationally Restricted Leukotriene Antagonists. Asymmetric Synthesis of a Nor‐Leukotriene D4 Analog. Part 2.
Authors: SABOL J. S. , CREGGE R. J.
Published: May 2016

Starting with cyclohexanone (I), the chiral epoxide (XII) is synthesized via Sharpless oxidation of the compounds (III) and (IX).
ChemInform Abstract: Isomer Selectivity in Stereocontrolled Payne Rearrangement‐Epoxide Cleavage of 2,3‐Epoxy Alcohols in Aprotic Solvents: Application to an Enantioselective Total Synthesis of (+)‐exo‐Brevicomin.
Authors: PAGE P. C. B. , RAYNER C. M. , SUTHERLAND I. O.
Published: May 2016

The key step in the synthesis of the title compound (+)‐(VII), which is naturally produced by three species of Dendroctonius beetles, is a Payne rearrangement‐nucleophilic trapping procedure.
ChemInform Abstract: Synthesis of Optically Active 1‐(2‐Furyl)‐3‐pentanol. A Simple Route to (2S,5R/S)‐Chalcogran.
Authors: KOERBLOVA E. + , KOUTEK B. , SAMAN D. , SVATOS A. , MALON P. , ROMANUK M.
Published: May 2016

The preparation of the optically active title alcohol (V) is reported.
ChemInform Abstract: Epitaxial Growth of Nickel(II) Hydroxide on Layer Silicate and Derived Nickel‐(Layer Silicate) Nanocomposite.
Authors: OHTSUKA K. , KOGA J. , TSUNODA M. , SUDA M. , ONO M.
Published: May 2016

The decomposition of the Ni(II) ammine complex at 90‐100 °C in the presence of a layer silicate (NaMg2.5Si4O10F2) results in the growth of Ni(II) hydroxide crystals with preferred orientation: the (001) plane of Ni(OH)2 is parallel to the basal (001) plane of the silicate.
ChemInform Abstract: The Electrochemistry and Spectroscopy of the Sulfur Rings, S6, S7, and S8
Authors: RICHARD J. B. , APARICIO‐RAZO M. , ROE D. K.
Published: May 2016

are studied in MeCN and MeOH.
ChemInform Abstract: Tellurium‐125 Moessbauer Spectra of Gallium(II,III) Tellurohalides, Ga3Te3X, and Gallium(II) Telluride, GaTe.
Authors: BERRY F. J. , GIBBS C. D. , KNIEP R. , PAASHAUS S.
Published: May 2016

The chemical isomer shift data of Ga3Te3X (X: Cl, Br, I) are found to be insensitive to the nature of the halogen and mixed valence on the gallium site.
ChemInform Abstract: Plasma‐Sprayed Semiconductor Electrodes: Photoelectrochemical Characterization and NH3 Photoproduction of Substoichiometric Tungsten Oxides.
Authors: LADOUCEUR M. , DODELET J. P. , TOURILLON G. , PARENT L. , DALLAIRE S.
Published: May 2016

Two substoichiometric tungsten oxide films (WO2.99 and WO2.97) of ∼40 μm thickness are deposited onto Ti substrates by plasma spraying of WO3 powder.
ChemInform Abstract: Positions of Dopant Rare Earth Elements and Vanadium in Zirconia Pigments. An X‐Ray Investigation.
Authors: SIGGEL A. , JANSEN M.
Published: May 2016

In course of optimizations of the crystal growth of ZrSiO4(V) and ZrSiO4(Ln) from oxidic melts, the best results with respect to crystal quality and concentration of the coloring dopants are attained by growing from LiVO3/V2O5 or V2O5 melts in the case of ZrSiO4(V) and MoO3 melts (containing Ln2O3 in excess) for ZrSiO4(Ln).