bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Novel Synthesis of β‐Siloxy Esters by Condensation of Carbonyl and Trimethylsilane with α,β‐Unsaturated Esters Catalyzed by RhCl3.
Authors: REVIS A. , HILTY T. K.
Published: May 2016

Methyl methacrylate (I) is coupled with the carbonyl compounds (IIa) ‐ (IId) and trimethylsilane (III) in the presence of rhodium trichloride, yielding the β‐siloxy esters (IV), together with the ketene acetal (V).
ChemInform Abstract: Diastereofacial Selectivity in the Intramolecular Conjugate Addition of a Nitrogen Nucleophile. Stereocontrolled Piperidine Synthesis.
Authors: HIRAMA M. , IWAKUMA T. , ITO S.
Published: May 2016

Base‐catalyzed cyclization of the E‐acylaminoheptenoates (Ia) and (Ib) yields mainly the cis‐substituted piperidines (III).
ChemInform Abstract: Silylamines in Organic Synthesis: Preparation and Some Reactions of N,C‐Dilithiosilylamines.
Authors: BURNS S. A. , CORRIU R. J. P. , HUYNH V. , MOREAU J. J. E.
Published: May 2016

The unsaturated monosilylamines (Ia), (Ib), and (XIII) are dilithiated and then quenched with chlorotrimethylsilane (IV) to produce the trisilyl compounds (V) or (XIV).
ChemInform Abstract: Facile Formation of 1,2‐Dithione and 1,2‐Selenoxothione by the Photolysis of Fused Cyclopolysulfides.
Authors: ANDO W. , KUMAMOTO Y. , TOKITOH N.
Published: May 2016

The treatment of the 1,2,3‐thiadiazole (Ia) or the selena analogue (Ib) with molten sulfur (II) produces the fused cyclopolysulfides (III) and (IV).
ChemInform Abstract: Intermolecular Anionic Rearrangement of the Trimethylgermyl Group in Trimethylgermylacetonitrile Anions.
Authors: KANEMOTO N. , INOUE S. , SATO Y.
Published: May 2016

Treatment of trimethylgermylacetonitrile (I) with lithium diisopropylamide results in partial formation of the digermyl derivative (II).
ChemInform Abstract: A New Method for the Activation of Metal‐Bound Methyl Groups. Oxidative Disproportionation to Coordinated Ethylene and Methane.
Authors: TILSET M. , BODNER G. S. , SENN D. R. , GLADYSZ J. A. , PARKER V. D.
Published: May 2016

With Fe complex (III) as electron acceptor the methyl Re complex (I) combined with (II) at ‐78 °C reacts on warming to give (IV) and (V) and methane (VI); (IV) disproportionates to ethylene complex (VII) from which ethylene (X) may be liberated by nitrile (VIII).
ChemInform Abstract: Main‐Group Chemistry on a Metal Framework: Preparation and Characterization of B2H6Fe2(CO)6 and Its Conjugate Base (B2H5Fe2(CO)6)‐.
Authors: JACOBSEN G. B. , ANDERSEN E. L. , HOUSECROFT C. E. , HONG F.‐E. , BUHL M. L. , LONG G. J. , FEHLNER T. P.
Published: May 2016

The known compound (IV) and the anionic derivative (VII) are prepared as shown.
ChemInform Abstract: Sequential Insertion by an Extraordinarily Reactive (Cyclopentadienyl)cobalt Anion Complex.
Authors: WANG D. , SQUIRES R. R.
Published: May 2016

The oxidation of ((C5H5)Co(CO)2)‐ by O2 forms the molecular anion (I) which displays extraordinary reactivity for a (formally) 17‐electron metal anion complex that distinguishes it from simple metal carbonylates.
ChemInform Abstract: Some New Complexes of Co(III) with Hypoxanthine, Inosine and Purine Nucleotides.
Authors: MULET D. , CALAFAT A. M. , FIOL J. J. , TERRON A. , MORENO V.
Published: May 2016

The title complexes (I) and (II) are prepared by reaction of trans‐(Co(en)2Cl2)Cl with the Na salts of the nucleotides or the nucleoside and the base, respectively, in water (no yields given).
ChemInform Abstract: Spin‐Crossover Cobalt(III) Complexes: Steric and Electronic Control of Spin State.
Authors: KLAEUI W. + , EBERSPACH W. , GUETLICH P. +
Published: May 2016

The series of octahedral Co(III) spin‐crossover complexes (III) is synthesized from the corresponding Co(II) complexes (Ia) by oxidation with the radical cation of (II).
ChemInform Abstract: Synthesis, Structure, and Properties of Tetraphenylphosphonium Tetrakis(2‐mercaptopropionato)trinickelate(II), (Ph4P)2(Ni3(SCH(CH3)COO)4): A Linear Trimeric Thiolato Complex of Nickel.
Authors: ROSENFIELD S. G. , WONG M. L. Y. , STEPHAN D. W. , MASCHARAK P. K.
Published: May 2016

The diamagnetic, relatively air‐stable title complex (I) is isolated from a reaction mixture containing (Ph4P)2NiCl4 and 1,5 equiv. of the tetraphenylphosphonium salt of Me‐CH(SH)(COOH) in acetonitrile.
ChemInform Abstract: Synthesis and Biological Studies of Steroidal cis‐Platinum(II) Complexes.
Authors: GEORGIADIS M. P. , HAROUTOUNIAN S. A. , CHONDROS K. P.
Published: May 2016

In the search for steroidal receptor systems the Pt complexes (I)‐(III) are prepared by treatment of K2PtCl4 with the corresponding steroids (yields 46‐54%).
ChemInform Abstract: Structures of New P‐Hydroxystyrene Glycosides, Ptelatoside‐A (I) and Ptelatoside‐B (II) Isolated from Bracken Fern, Pteridium aquilinum var. latiusculum, and Synthesis of Ptelatoside‐A.
Authors: OJIKA M. , WAKAMATSU K. , NIWA H. , YAMADA K.
Published: May 2016

The title compounds (I) and (II) are identified in the carcinogenic fraction obtained from the title species.
ChemInform Abstract: Application of the Trt and Fmoc Groups for the Protection of Polyfunctional α‐Amino Acids.
Authors: BARLOS K. , MAMOS P. , PAPAIOANNOU D. , PATRIANAKOU S. , SANIDA C. , SCHAEFER W. +
Published: May 2016

Simple methods for the preparation of the ditrityl amino acids (III) (from (I)), (IV) (similarly obtained), (VIII) (from (Va)), or (X) (from (Vb) via (IX)) are described.
ChemInform Abstract: Studies on Organophosphorus Compounds. Part 9. The Action of Dialkyl, Trialkyl Phosphites, and Thiol Acids on Some Enaminolactones.
Authors: SHABANA R. , SIDKY M. M. , EL‐KATEB A. A. , SOLIMAN F. M.
Published: May 2016

The enaminolactone (I) reacts with trimethyl phosphite (II) in methanol (III) to yield the phosphonophenylalanine derivative (IV).
ChemInform Abstract: Synthetic Routes to N‐(1‐Deoxy‐D‐fructos‐1‐yl)amino Acids by Way of Reductive Amination of Hexos‐2‐uloses.
Authors: WALTON D. J. , MCPHERSON J. D. , HVIDT T. , SZAREK W. A.
Published: May 2016

The title compounds (III) are prepared by two methods as shown in the reaction scheme.
ChemInform Abstract: Synthesis of (+)‐1,5‐Dideoxy‐1,5‐imino‐D‐galactitol, a Potent α‐D‐Galactosidase Inhibitor.
Authors: BERNOTAS R. C. , PEZZONE M. A. , GANEM B.
Published: May 2016

The key steps in the synthesis of the title compound (VIII) are cleavage of the 6‐bromopyranoside (I) by dehydrobromination and reductive amination and subsequent mercuration with simultaneous ring closure.
ChemInform Abstract: Synthetic Studies of Amphotericin B. Part 2. A Facile Synthesis of the C1‐C12 Segments of the Amphotericin B Aglycon.
Authors: KINOSHITA M. , MORIOKA M. , TANIGUCHI M. , SHIMIZU J.
Published: May 2016

The protected sugar (I) is stereoselectively converted to the Wittig salt (VI).
ChemInform Abstract: Synthesis of Bostrycoidin via Directed Lithiation of Tertiary Nicotinamide.
Authors: WATANABE M. , SHINODA E. , SHIMIZU Y. , FURUKAWA S. , IWAO M. , KURAISHI T.
Published: May 2016

The reaction of the lithiated species (III), obtained from the nicotinamide (I), with the benzamide (IV) represents the key step in the synthesis of bostrycoidin dimethyl ether (VIa).
ChemInform Abstract: Ozonolysis of Alkenes and a Study of the Reactions of Polyfunctional Compounds. Part 32. Synthesis of (ξ)‐3,7‐Dimethyl‐2,7‐octadien‐1‐yl Propionate.
Authors: ODINOKOV V. N. , KUKOVINETS O. S. , ZAINULLIN R. A. , ISHMURATOV G. YU. , ISAKOVA L. A. , TOLSTIKOV G. A.
Published: May 2016

Ozonolysis of 1‐methylcyclopentene (I), followed by acetalization affords 1,1‐dimethoxy‐5‐oxohexane (III) in high yield.
ChemInform Abstract: Synthesis of 3,7‐Dimethyl‐(E)‐2,7‐octadien‐1‐ol Propionate from Isoprene.
Authors: KOVALEV B. G. , ISHCHENKO R. I. , SVATOSH A. , VIMMER Z. , ROMANYUK M.
Published: May 2016

A stereospecific synthesis of the title compound (VI) starting from isoprene (I) is reported.
ChemInform Abstract: Total Syntheses of Indicine N‐Oxide, Intermedine N‐Oxide, and Their Enantiomers Using Carbohydrate as a Chiral Educt.
Authors: NISHIMURA Y. , KONDO S. , TAKEUCHI T. , UMEZAWA H.
Published: May 2016

The chiral D‐furanose (I) is converted in 8 steps to the acetonide (VIII) derived from (+)‐trachelanthic acid (VI).
ChemInform Abstract: New Probes for Receptor Analysis of Tumor Promoters. Synthesis of Fluorescent Derivatives of (‐)‐Indolactam V, the Basic Ring‐Structure of Teleocidins.
Authors: IRIE K. , HAGIWARA N. , KOSHIMIZU K.
Published: May 2016

Indolactam V (I) is transformed to the active and inactive fluorescent derivatives (IXa) (the free hydroxyl group at C‐14 is necessary for the tumor‐promoting activity) and (IXb), resp., which are obtained as a mixture of sofa and twist conformers.
ChemInform Abstract: New Fluoroaurates(III).
Authors: MUELLER B. G. +
Published: May 2016

Single crystals of M(II)(AuF4)2 with M(II): Mg, Ni, Zn, Ba, Cd, Hg, Pd are obtained for the first time.
ChemInform Abstract: Crystal Structure of Mercury(I,II) Bromide Oxide, Hg8O4Br3.
Authors: STALHANDSKE C.
Published: May 2016

The title compound has been obtained in an attempt to prepare Hg2OBr (hydrothermal synthesis at 460 K from a stoichiometric mixture of HgO and Hg2Br2).
ChemInform Abstract: An Investigation of Non‐stoichiometry in the Systems SrFeO3‐y and SrCoO3‐y by Iron and Cobalt K‐Edge Extended X‐Ray Absorption Fine Structure Spectroscopy.
Authors: BATTLE P. D. , GIBB T. C. , STEEL A. T.
Published: May 2016

The EXAFS results obtained for a series of samples of the SrCoO3‐y system reveal the existence of face‐sharing CoO6 octahedra in the low‐temp.
ChemInform Abstract: Rotating Disk Electrode Studies in Cryolitic Melts.
Authors: TELLENBACH J. M. , LANDOLT D.
Published: May 2016

The design of a rotating disk electrode (RDE) assembly for use in cryolitic melts (1020 °C) is described (tungsten plated with either Au or TiB2 and embedded in an insulator).
ChemInform Abstract: Pitting Corrosion of Zirconium and Hafnium
Authors: HORNKJOEL S.
Published: May 2016

in aqueous solution is studied by potentiodynamic, potentiostatic, and galvanostatic measurements.
ChemInform Abstract: An Auger Electron Spectroscopic Study of the Reaction of Ammonia with Fe(110).
Authors: BHATTACHARYA A. K. , CHESTERS M. A.
Published: May 2016

Thermal decomposition of molecularly adsorbed ammonia on a clean Fe(110) surface is investigated by saturation of the Fe surface with ammonia at 100 K and subsequent heating of the crystal to temp. in the range 100‐800 K and recording of Auger spectra at these temperatures.
ChemInform Abstract: Characterization of MoY Zeolites Prepared by Aqueous Ion Exchange.
Authors: HUANG M. , HOWE R. F.
Published: May 2016

MoY zeolites, prepared from NaY by ion exchange using MoO2Cl2 (pH 3.3‐4.2), are characterized by X‐ray fluorescence, AAS, XRD, IR‐, EPR‐, and XPS spectroscopy, and by BET surface area measurements.
ChemInform Abstract: Ammonia Synthesis Over a Supported Iron Catalyst Prepared from an Amorphous Iron‐Zirconium Precursor. Part 3. Mechanism of Nitrogen Adsorption and Ammonia Synthesis Kinetics.
Authors: BAIKER A. , BARIS H. , SCHLOEGL R. +
Published: May 2016

Photoemission studies (XPS, UPS) of N2 adsorption on amorphous Fe91Zr9 at 79 K indicate the presence of both molecular and atomic nitrogen on the surface.
ChemInform Abstract: The Structure of Cu/SiO2 Catalysts Prepared by the Ion‐Exchange Technique.
Authors: KOHLER M. A. , CURRY‐HYDE H. E. , HUGHES A. E. , SEXTON B. A. , CANT N. W.
Published: May 2016

Applying TEM, XRD analysis, XPS, TPR/TPO cycles evidence is presented to support the presence of two distinctly different copper species on reduced copper on silica catalysts (2.1‐9.5 wt.% Cu) which are prepared by the ion‐exchange method.
ChemInform Abstract: Hydrogen‐Bond Formation in Nitroanilines: The First Step in Designing Acentric Materials.
Authors: PANUNTO T. W. , URBANCZYK‐LIPKOWSKA Z. , JOHNSON R. , ETTER M. C.
Published: May 2016

The 28 crystal structures of nitroanilines reported in the literature and also a series of 13 closely related analogues are analyzed in order to determine the preferred geometric properties of NH···O hydrogen bonds in these compounds.
ChemInform Abstract: Cycloadditions in Syntheses. Part 35. 2‐Cyano‐1,2‐dihydrocyclobuta(a)naphthalene and Its Derivatives: Synthesis and Reaction with Olefins.
Authors: SATO M. , SUZUKI T. , MORISAWA H. , FUJITA S. , INUKAI N. , KANEKO C.
Published: May 2016

Photoaddition reaction of 2‐methoxynaphthalene (I) with acrylonitrile (II) gives the adduct (III) as a mixture of endo‐ and exo‐isomers.
ChemInform Abstract: Reactivity Difference of cis‐trans Pairs: Different Behavior of Stilbene Oxides and Activated Stilbene Imines.
Authors: MALL T. , STAMM H.
Published: May 2016

Sodium methoxide (II) induced ring opening of the oxiranes (Ia) or the aziridines (Ib) yields the products (III).
ChemInform Abstract: Isomerization of 2‐Alkoxy‐2‐methyl‐1‐methylenecyclopropanes (I) to 1‐Alkoxy‐1‐cyclopropylethenes (III).
Authors: BALDWIN J. E. , GHATLIA N. D. , LUNDBAECK K. M. O. +
Published: May 2016

The rearrangement of (I) to (III) is found to run via the intermediates (II), isolated in the case of (IIa), when an octane solution of (Ia) is heated in the presence of 1,8‐bis(dimethylamino)naphthalene.
ChemInform Abstract: Skeletal Rearrangement of a 2,6‐Dithiaadamantane 2,2,6,6‐Tetraoxide Derivative During Thermal and Photochemical Sulfur Dioxide Extrusion.
Authors: BRAVERMAN S. , REISMAN D. , FREUND M.
Published: May 2016

Photolysis of the title compound (I) causes release of one equivalent SO2 (II), producing the tricyclic sulfone (III).
ChemInform Abstract: Synthesis of 1,1‐Disubstituted Ethenes by Means of Sequential Cross‐ Coupling Reactions
Authors: FIANDANESE V. , MARCHESE G. , NASO F. , RONZINI L.
Published: May 2016

1‐Chloro‐1‐phenylthioethene (II) is converted to the 1,1‐disubstituted ethenes (IV) in two consecutive cross‐coupling steps with the Grignard reagents (Ia) ‐ (Ic) in the presence of a Ni‐catalyst.
ChemInform Abstract: Organic Azides. Part 5. A Simple Synthesis of Alkyl 3‐Azido‐2‐alkenoates.
Authors: PRIEBE H.
Published: May 2016

The influence of reaction conditions on product distribution in the synthesis of the title compounds (III) and (IV) is studied in detail.
ChemInform Abstract: The Chemistry of Small‐Ring Compounds. Part 51. Electron‐Transfer‐Initiated Oxidation of Some Cyclopropylidene Compounds.
Authors: HOFLAND A. , DE BOER TH. J.
Published: May 2016

As the title compounds (I) are able to quench the fluorescence of DCA (tab.
ChemInform Abstract: New Methods for the Syntheses of α,β‐Unsaturated Ketones, Aldehydes, and Nitriles by the Palladium‐Catalyzed Reactions of Allyl β‐Oxo Esters, Allyl 1‐Alkenyl Carbonates, and Allyl α‐Cyano Esters.
Authors: MINAMI I. , NISAR M. , YUHARA M. , SHIMIZU I. , TSUJI J.
Published: May 2016

The palladium‐catalyzed decarboxylation‐dehydrogenation reaction of the allyl esters (I) of β‐oxoalkanoic acids or the 1‐alkenyl allyl carbonates (III) yields the α,β‐unsaturated ketones (II) or (IV).
ChemInform Abstract: Syntheses of Pentacyclo(5.4.0.02,6.03,10.05,9)undecane‐4,8,11‐trione, Pentacyclo(6.3.0.02,6.03,10.05,9)undecane‐4,7,11‐trione (D3‐Trishomocubanetrione), and 4,4,7,7,11,11‐Hexanitro(6.3.0.02,6.03,10.05,9)undecane (D3‐Hexanitrotrishomocubane).
Authors: MARCHAND A. P. , SHARMA G. V. M. , ANNAPURNA G. S. , PEDNEKAR P. R.
Published: May 2016

Starting with the dihydroxytetrachloro acetal (Ia), the triketones (II) and (Va) mentioned in the title are prepared by consecutive dehalogenation and oxidation reaction followed by rearrangement in the case of (Va).
ChemInform Abstract: Acylation of Aromatic Aminodicarboxylic Acids.
Authors: NOSOVA G. I. , KOTON M. M. , MIKHAILOVA N. V. , LYUBIMOVA G. V. , DENISOV V. M.
Published: May 2016

Starting with 4‐nitrophthalic anhydride (I), 4‐(3‐aminophenoxy)phthalic acid (VII) is synthesized as shown in the reaction scheme.
ChemInform Abstract: Chemical Reactivity and Configurational Properties of Cyclopropyl Carbanions Derived from a Silyl Sulfonyl Substituted Cyclopropene.
Authors: PADWA A. , WANNAMAKER M. W. , DYSZLEWSKI A. D.
Published: May 2016

The cyclopropene (IV) is prepared from the acetylene (I) by 1,3‐dipolar cycloaddition with 2‐diazopropane (II) to give the pyrazole (III) followed by photoextrusion of nitrogen.
ChemInform Abstract: Diisophorone and Related Compounds. Part 18. Ring Contraction in Diisophorone by the Favorski Reaction.
Authors: KURZER F. , PATEL J. N.
Published: May 2016

Alkaline treatment of the dibromide (I) yields the products (III) via a ring‐contraction reaction of the Favorskii type.
ChemInform Abstract: Carbonium Ion Reactions. Part 18. Substituent Effect in Solvolytic Reactions. Solvolysis of the Tosylate of 10‐Methyl‐5H‐dibenzo(a,d)cycloheptene‐5‐carbinol.
Authors: STANESCU M. , ELIAN M. , CIORANESCU E.
Published: May 2016

Buffered acetolysis of the tosyloxymethyldibenzocycloheptatriene (I) yields the bridged exo‐methylene derivative (III), together with the acetate (IV).
ChemInform Abstract: Synthesis of 4‐Unsubstituted β‐Lactams via Dithiocarbonimidates.
Authors: SHARMA S. D. , MEHRA U. , KHURANA J. P. S. , PANDHI S. B.
Published: May 2016

Cycloaddition reaction of the dithiocarbonimidates (I) with phenoxy ketene and subsequent desulfurization of the adducts (IIIa) with RaneyNickel yield the 4‐unsubstituted β‐lactams (IV).
ChemInform Abstract: Intramolecular Photochemical Reactions of 2‐Acyl‐4‐oxa‐1,5‐hexadienes.
Authors: MATLIN A. R. , LECKTA T. C. , MCGARVEY D. J. , JACOB P. W. , PICKEN H. A.
Published: May 2016

The unsaturated ethers (III), prepared from the alcohols (I) and the vinyl ethers (II), are photolyzed to form the tricyclic ethers (IV), together with the ketones (V).
ChemInform Abstract: Preparation of Cyclic Ethers via Oxidative Cyclization of 2‐(4‐Hydroxyalkyl)‐ and 2‐(5‐Hydroxyalkyl)furans with DDQ.
Authors: HARWOOD L. M. , ROBERTSON J.
Published: May 2016

The 2‐(hydroxyalkyl)furans (I) are oxidatively cyclized with DDQ to give the cyclic ethers (II).
ChemInform Abstract: Reaction of Thioglycolic Amide with Acylacetylenes and Methyl Propiolate.
Authors: NAKHMANOVICH A. S. , KOMAROVA T. N. , KARNAUKHOVA R. V. , AFONIN A. V. , VORONOV V. K. , MANSUROV YU. L.
Published: May 2016

Reaction of the acetylenic compounds (I) with thioglycolic amide (II), producing the addition products (III), takes place stereospecifically in the case of methyl propiolate (Ie) only.
ChemInform Abstract: Indole Derivatives. Part 129. Synthesis of Disubstituted Tryptamines by Nitration of 5‐Methoxy‐N‐phthaloyltryptamine.
Authors: PETRUNIN I. A. , VINOGRAD L. KH. , PRZHIYALGOVSKAYA N. M. , SUVOROV N. N.
Published: May 2016

Nitration of the N‐protected 5‐methoxytryptamine (I) with nitric acid in acetic acid gives predominantly the 4‐nitro compound (II), together with the derivatives (III) ‐ (V).
ChemInform Abstract: Transformations of 1‐Aryl‐2‐methyl‐3‐ethoxycarbonyl‐4,5‐dihydroxy‐6‐ bromoindole Derivatives.
Authors: GRINEV A. N. , SOROKINA I. K.
Published: May 2016

Acidic hydrolysis of the indolylacetoacetates (I) gives the acetonylindoles (II), together with the acetoacetic acids (III) as by‐products.
ChemInform Abstract: Amino Ketone and Oxazole Synthesis. Part 10. Acylation and Alkylation of Arenes with the Azlactone of Cinnamoylglycine.
Authors: BALABAN M.‐C. , SCHIKETANZ I. , BALABAN A. T. , SCHIKETANZ A. , GHEORGHIU M. D.
Published: May 2016

N‐Cinnamoylglycine (I) is cyclized to form the styryloxazolone (II) which reacts with benzene (IIIa) or toluene (IIIb), yielding the acylaminomethyl aryl ketones (IV) or (V).
ChemInform Abstract: A New Convenient Preparation of 2‐, 4‐, and 5‐Thiazolecarboxaldehydes and Their Conversion into the Corresponding Carbonitrile N‐Oxides: Synthesis of 3‐Thiazolylisoxazoles and 3‐Thiazolylisoxazolines.
Authors: DONDONI A. , FANTIN G. , FOGAGNOLO M. , MEFICI A. , PEDRINI P.
Published: May 2016

The thiazolecarboxaldehyde (III), prepared from 2‐bromothiazole (I) and N‐formylmorpholine (II), is converted to the hydroxamoyl chloride (Vb) via the oxime (IV).
ChemInform Abstract: New Heterocyclization Reactions for the Preparation of Fused (1,2,4)Triazoles: Synthesis of 1,2,4‐Triazolo(4,3‐b) (1,2,4)triazole Derivatives from 4‐Amino‐1,2,4‐triazoles and Carbodiimides or via Iminophosphoranes and Disubstituted Thioureas.
Authors: MOLINA P. , ALAJARIN M. , FERAO A. , PEREZ DE VEGA MA. J.
Published: May 2016

The guanidinotriazolones (III) or triazolethiones (VI) (obtained from the components (I) + (II) or (IV) + (V), resp.) undergo base‐catalyzed cyclization to give the triazolotriazoles (VII).
ChemInform Abstract: Efficient Synthesis of 5,5‐Dialkyl‐δ1‐1,2,4‐triazolin‐3‐ones by Acid Hydrolysis of Bis(isocyanatoalkyl)diazenes.
Authors: SCHANTL J. G. , GSTACH H. , LANZNASTER N.
Published: May 2016

The bis(α‐isocyanatoalkyl)diazenes (I) are subjected to acidic hydrolysis to form the 5,5‐dialkyl‐1,2,4‐triazolin‐3‐ones (II), together with minor amounts of the 4‐aminocarbonyl derivatives (III).
ChemInform Abstract: 1,2,3‐Triarylpropenones as Starting Materials for 2‐Pyridinethiones.
Authors: PANIAGUA E. , RUBIO M. J. , SEOANE C. , SOTO J. L.
Published: May 2016

The propenones (I), on treatment with the thioacetamide (II), undergo Michael addition followed by spontaneous cyclization and aromatization to give the title compounds (III).
ChemInform Abstract: Studies on Tetrahydroisoquinolines. Part 29. Reaction of 7‐Acetoxy‐ 1,2,3,4,6,7‐hexahydro‐1‐(2‐(3′,4′‐dimethoxy‐ or 3′,4′‐methylenedioxyphenyl)ethyl)‐7‐methoxy‐2‐methyl‐6‐oxoisoquinoline (o‐Quinol Acetate) with Acetic Anhydride in the Presence of Acid.
Authors: HOSHINO O. , KIKUCHI K. , OGOSE H. , UMEZAWA B. , IITAKA Y.
Published: May 2016

Treatment of the o‐quinolacetates (IX), which are synthesized as outlined in the reaction scheme, with acetic anhydride (XII) in the presence of an acid gives the homoaporphines (X) and/or the aldehydamines (XI).
ChemInform Abstract: N‐(2,6‐Dihalobenzoyl)‐N′‐pyrimidinylureas.
Authors: BODENTEICH M. , CHEMELLI E. , GRIENGL H.
Published: May 2016

The title compounds (III) and (V) have insecticidal properties.
ChemInform Abstract: One‐Step Synthesis of Chymotrypsin‐Inhibiting 2‐Alkoxy(Phenoxy)‐4H‐3,1‐ benzoxazin‐4‐ones.
Authors: LEISTNER S. , SIMON R. , WAGNER G. , STUERZBECHER J. +
Published: May 2016

The benzoxazinones (IV) are prepared by cyclocondensation of the o‐aminobenzoic acids (I) with the chloroformates (II).
ChemInform Abstract: Synthesis of New Heterocycles. Part 2. Synthesis of New Benzopyranobenzoxazinone Ring System Involving a Novel Rearrangement.
Authors: NAZERUDDIN G. M. , KELKAR S. L. , WADIA M. S.
Published: May 2016

The 3‐(o‐nitrophenoxy)coumarins (III) are prepared by cyclocondensation of o‐hydroxybenzaldehydes such as (I) with the complex formed from POCl3 and the nitrophenoxyacetamide (II).
ChemInform Abstract: Synthesis of Some Substituted 1,2,4‐Triazino(5,6‐b)indole Derivatives as Potential Antiviral and Anticancer Agents.
Authors: ESHBA N. H. , SALAMA H. M. , LABOUTA I. M. , OMAR A.‐M. M. E.
Published: May 2016

The indolediones (I) undergo cyclocondensation with thiosemicarbazide (II), yielding the indolotriazinethiones (III) which react with hydrazine hydrate to produce the hydrazinoindolotriazines (IV).
ChemInform Abstract: Synthesis and Pyrolysis of 10,21‐Dithia‐9,10,11,20,21,22‐hexahydrodiphenanthro(a,f)cyclodecene S,S,S′,S′‐Tetraoxide.
Authors: BANCIU M. , BANCIU A. , ELIAN M. , DRAGHICI C. , CIORANESCU E.
Published: May 2016

The dibromide (I) is converted to the dithiol (III) which yields the disulfide (IV) upon aerobic work‐up.
ChemInform Abstract: Pseudochalcogeno Compounds. Part 14. Synthesis of Trimethylcyanamidophosphates, a Contribution to the Ambivalency of Cyanamidophosphate Ions, (PO4‐n(NCN)n)3‐.
Authors: KOEHLER H. + , GLANZ D.
Published: May 2016

The preparation of the three isomeric trimethylcyanamidophosphates (Ia), (IIa), and (IIIa) and of their analogues is carried out via various possible synthetic routes, of which those shown in the scheme lead to the best yields.
ChemInform Abstract: A New and Easy Synthesis of Diethyl 2‐Formylalkylphosphonates.
Authors: TEULADE M.‐P. , SAVIGNAC P.
Published: May 2016

The alkenals (I) are converted to the aldimines (III) which react with triethyl phosphite (IV) and formic acid to yield the diethyl iminoalkanephosphonates (V).
ChemInform Abstract: Reaction of Thieno(2,3‐d)pyrimidines with Mercuric Salts.
Authors: KHRIPAK S. M. , YAKUBETS V. I. , DOBOSH A. A. , MIGALINA YU. V.
Published: May 2016

The 2‐thio‐3‐allylthienopyrimidines (I) react with the mercuric salts (II) to give the tricyclic mercury compounds (III).
ChemInform Abstract: N‐Substituted Organo(silyliminomethyl)stannanes: Synthetic Equivalent to Organosilylcarbonyl Anion and Carbonyl Dianion.
Authors: ITO Y. , MATSUURA T. , MURAKAMI M.
Published: May 2016

The imino compounds such as (IIIa), generated in situ, are allowed to react immediately with electrophiles such as (IV) or with carbonyl compounds followed by Brook‐type migration of the silyl group and quenching with electrophiles to afford (V) or silyl ethers such as (IX) and (X), respectively.
ChemInform Abstract: The Synthesis of Some Organo‐Molybdenum and ‐Tungsten Complexes Containing Bismuth.
Authors: CLEGG W. , COMPTON N. A. , ERRINGTON R. J. , NORMAN N. C.
Published: May 2016

Reaction of bismuth trichloride (II) with the cyclopentadienylmolybdenum or ‐tungsten carbonylates (I) or (V) produces the coloured bismuth‐containing complexes (III) (red), (IVa) (green), (IVb) (purple), and (VI) (green).
ChemInform Abstract: Nitrido‐Azido Complexes of Molybdenum(VI). Synthesis and Crystal Structure of (MoN(N3)2(terpy))+(MoN(N3)4)‐. MoN(N3)3(terpy).
Authors: BECK J. , STRAEHLE J. +
Published: May 2016

The crystalline title compound is prepared by reaction of Mo(CO)3(terpy) (terpy: 2,2'‐6',2''‐terpyridine) with trimethylsilylazide in acetonitrile at 50‐60 °C with low yield (no data given).
ChemInform Abstract: Homochiral Pinene‐Fused Cyclopentadienes. Synthesis and π‐Facially Selective Course of Diels‐Alder Cycloadditions and Metallocene Formation.
Authors: PAQUETTE L. A. , GUGELCHUK M. , MCLAUGHLIN M. L.
Published: May 2016

The fused cyclopentadiene (I) reacts with dienophiles such as dimethyl acetylenedicarboxylate (II) to give cycloadducts such as (IV), resulting from attack at the less hindered π‐surface.
ChemInform Abstract: Structural Consequences of Electron‐Transfer Reactions. Part 16. Electrochemically Induced Reversible Insertion of Ruthenium Atoms into an Eight‐Carbon Chain.
Authors: EDWIN J. , GEIGER W. E. , SALZER A. , RUPPLI U. , RHEINGOLD A. L.
Published: May 2016

In a search for more electron‐deficient members of a series of complexes with a bridging cyclooctatetraene ligand the oxidation of the complex (I) is investigated.
ChemInform Abstract: Solid‐Phase Peptide Synthesis Using a Cobalt(III) Spacer Between the Resin and the Peptide.
Authors: MENSI N. , ISIED S. S.
Published: May 2016

The synthesis of a new spacer containing Co(III) for the attachment of amino acids to solid supports used in solid‐phase synthesis is described.
ChemInform Abstract: Cyclopropane Amino Acid Ester Dipeptide Sweeteners.
Authors: MAPELLI C. , NEWTON M. G. , RINGOLD C. E. , STAMMER C. H.
Published: May 2016

Starting with 1‐aminocyclopropane‐1‐carboxylic acid (I), the esters (III) are prepared and amidated to give (V), then hydrolyzed, forming the L‐aspartyl‐1‐aminocyclopropane carboxylates (VI).
ChemInform Abstract: Utilization of Sugars in Organic Synthesis. Part 18. Reaction of Cyclic Thioxocarbonates with Tributyltin Hydride.
Authors: KANEMITSU K. , TSUDA Y. , HAQUE M. E. , TSUBONO K. , KIKUCHI T.
Published: May 2016

Treatment of the cyclic thioxocarbonate (I) with tributyltin hydride yields the compounds (II) ‐ (VII).
ChemInform Abstract: Regioselective Total Synthesis of (.+‐.)‐Berberastine (VII).
Authors: NAPOLITANO E. , SPINELLI G. , FIASCHI R. , MARSILI A.
Published: May 2016

Berberastine iodide (VII) is synthesized starting with a Reformatsky‐type condensation of (I) with piperonal (II).
ChemInform Abstract: An Improved Synthesis of N4‐Aminocytidine.
Authors: NEGISHI K. , KAWAKAMI M. , KAYASUGA K. , ODO J. , HAYATSU H.
Published: May 2016

The title compound (III), a mutagenic nucleoside, is prepared by reaction of cytidine (I) with hydrazine (II) under the conditions outlined in the reaction scheme.
ChemInform Abstract: Preparation of the Four Stereoisomers of Chalcogran, Pheromone Components of Pityogenes chalcographus and of Both Enantiomers of γ‐Caprolactone, Pheromone Component of Trogoderma granarium.
Authors: HOEGBERG H.‐E. + , HEDENSTROEM E. + , ISAKSSON R. , WASSGREN A.‐B.
Published: May 2016

Both the enantiomers (II) and (V) of γ‐caprolactone ‐ obtained with 99 and 97% e.e., resp., by optical resolution of the racemic lactone via liquid chromatography on a chiral stationary phase ‐ react with the lithium compound (I) to give the four stereoisomers (III), (IV), (VI) and (VII) of chalcogran.
ChemInform Abstract: On the Formation of Protective Sulfide Coatings on Carbon Steel Surfaces.
Authors: DAS C. , VENKATESWARAN G.
Published: May 2016

Protective pyrrhotite/pyrite coatings on carbon steel are obtained using aqueous thiosulfate/sulfur solutions (optimum conditions: 2000‐3500 ppm S2O32‐, 1000 mg/l S, 468 ±5 K).
ChemInform Abstract: Compensation Effect in Semiconducting Barium Titanate.
Authors: PENG C.‐J. , LU H.‐Y.
Published: May 2016

Donor(La)‐doped BaTiO3 exhibits a maximum room temp. conductivity at a La concentration of ∼ 0.15 mol%.
ChemInform Abstract: Preparation and Electrocatalytic Properties of Conducting Films of Polypyrrole Containing Platinum Microparticulates.
Authors: HOLDCROFT S. , FUNT B. L.
Published: May 2016

As shown by AES, the incorporation of Pt in polypyrrole films can be controlled by a number of film forming techniques.
ChemInform Abstract: The Reactions of the Chromate, Dichromate, and Permanganate Ions with 100% Sulfuric Acid and Dilute Oleum
Authors: GILLESPIE R. J. , KAPOOR R.
Published: May 2016

are investigated by cryoscopic and conductometric methods.
ChemInform Abstract: Preparation of Uniform Colloidal Strontium Ferrite Particles.
Authors: FAN X.‐J. , MATIJEVIC E.
Published: May 2016

The preparation of uniform ferrite particles containing Sr from a ferrous hydroxide gel in the presence of SrCl2 and a mild oxidizing agent (KNO3) at 90 °C is described.
ChemInform Abstract: The Effect of Increase in Chelate Ring Size Beyond Six‐Membered on the Metal Ion Size Selectivity Patterns of Tetra‐aza Macrocycles.
Authors: HANCOCK R. D. , NGWENYA M. P.
Published: May 2016

The protonation constants of the ligand (Ib) and its complex‐formation constants with the divalent metals Cu, Ni, Zn, Cd, and Pb are measured by glass‐electrode potentiometry at 25 °C. The constants of (Ia) (from the literature) are reported.
ChemInform Abstract: Mean Phosphorus‐ and Arsenic‐Sulfur Bond Enthalpies in Diethyldithiocarbamate Chelate Complexes.
Authors: AIROLDI C. , DE SOUZA A. G.
Published: May 2016

The standard enthalpies of formation at 298.15 K of the crystalline compounds (I) are determined by solution‐reaction calorimetry.
ChemInform Abstract: Axial Ligation of Some Lewis Bases to Oxometalloporphyrins.
Authors: OZAWA T. , HANAKI A.
Published: May 2016

Axial ligation of the Lewis bases DMSO, NH2Bu, NH2tBu, NHEt2, and NEt3 to the porphyrin complexes (I) is investigated spectroscopically.
ChemInform Abstract: Chloride‐Binding Reactions and Electrochemistry of (TPP)Co(II) and (TPP)Co(III)Cl in Dichloromethane.
Authors: KADISH K. M. , LIN X. Q. , HAN B. C.
Published: May 2016

The electrochemical behavior of the title complexes (Ia) and (IIa) is studied in CH2Cl2 solutions containing various concentrations of NBu4Cl.
ChemInform Abstract: Pd(0)‐Mediated Cross‐Coupling of Reformatsky Reagents with Vinyl and Aryl Triflates.
Authors: ORSINI F. , PELIZZONI F.
Published: May 2016

Coupling of the alkenyl or aryl triflates (I) with tert‐butyl bromozincacetate (II) in the presence of bis(triphenylphosphine)palladium, prepared by reduction of the corresponding PdCl2 complex, yields the carboxylates (III).
ChemInform Abstract: Synthesis of 1,2‐Dioxetanes via Electron‐Transfer Oxygenation.
Authors: CURCI R. , LOPEZ L. , TROISI L. , RASHID S. M. K. , SCHAAP A. P.
Published: May 2016

The enol ethers (I), derived from adamantyl aryl ketones, react with the ammoniumyl hexachloroantimonate (II) at a low temperature to form the 1,2‐dioxetanes (III) and the amine (IV).
ChemInform Abstract: Stereochemical Control of Fermenting Bakers′s Yeast Mediated Reductions: Some 3‐ and 4‐Oxo Esters.
Authors: MANZOCCHI A. , CASATI R. , FIECCHI A. , SANTANIELLO E.
Published: May 2016

Fermenting baker's yeast reduction of the oxobutanoate (II) depends on the reaction conditions (yeast: substrate ratio, presence or absence of ethanol) to give either the (S)‐ or (R)‐hydroxyester (I).
ChemInform Abstract: Liquide Phase Hydrogenation of Benzonitrile in the Presence of a Nickel Catalyst.
Authors: SAVVATEEV O. P. , KLYUEV M. V. , ERYKALOV YU. G.
Published: May 2016

Hydrogenation of benzonitrile on an industrial nickel catalyst gives selectively the azomethine (II).
ChemInform Abstract: A Mild, Convenient, Halogen‐Exchange Route to gem‐Difluorides and Trifluorides.
Authors: BLOODWORTH A. J. , BOWYER K. J. , MITCHELL J. C.
Published: May 2016

The geminal diiodides and dichlorides (I) react with silver tetrafluoroborate to give the difluorides (II).
ChemInform Abstract: Alkylation of Alkyl Nitroacetates Under PTC Conditions.
Authors: GOGTE V. N. , NATU A. A. , PORE V. S.
Published: May 2016

Methyl nitroacetate (II) is coupled with the bromomethylbenzenes (Ia) ‐ (Ic) under phase‐transfer catalytic conditions to form the 3‐phenyl‐2‐ nitropropionates (III).
ChemInform Abstract: Reaction of Mercaptothiazoles with O,O‐Dimethyl Chlorothiophosphate: An Unusual Reaction.
Authors: AHLUWALIA V. K. , ARORA K. K. , KAUR G. , MEHTA B.
Published: May 2016

Reaction of the 2‐mercapto‐4‐arylthiazoles (I) with the dimethyl chlorothiophosphate (II) does not yield the expected dithiophosphates, the methylmercapto compounds (III) are formed instead.
ChemInform Abstract: The Synthesis of Unsaturated Trifluoromethyl Ketones by Regioselective Organocuprate Addition to Acetylenic Trifluoromethyl Ketones.
Authors: LINDERMAN R. J. , LONIKAR M. S.
Published: May 2016

The regio‐ and stereoselectivity of the reaction between the alkynyl trifluoromethyl ketones (V) and the organocuprates (I) ‐ (IV) is investigated in detail.
ChemInform Abstract: Cross‐Coupling of Magnesium Diacetylides with Organic Halides Catalyzed by Transition Metal Complexes.
Authors: DZHEMILEV U. M. , SARAEV R. A. , VYRYPAEV E. M. , IBRAGIMOV A. G.
Published: May 2016

The magnesium diacetylides (I) react with the halides (II) in the presence of Ni, Pd, or Cu catalysts to give the disubstituted acetylenes (III).
ChemInform Abstract: Synthesis, Anti‐Choline Esterase and m‐Choline‐Blocking Properties of Bis‐Tertiary Salts of α,ω‐Bis(N‐methyl‐N‐(1‐adamantyl)amino)alkanes.
Authors: VINNITSKAYA K. B. , KUZNETSOV V. A. , SAMOILOV D. N. , SKOLDINOV A. P. , SOLOV'EV V. M. , KHARKEVICH D. A. , SHORR V. A.
Published: May 2016

In the search for selective cardiotropic m‐choline‐blocking substances and for compounds with anti‐choline esterase activity, the adamantyl‐ substituted diamines (IV) are prepared by reduction of bisamides (III).
ChemInform Abstract: Dialkylcarbamoyl(diaryl)iodanes.
Authors: KOTALI E. , VARVOGLIS A.
Published: May 2016

The title compounds (III) are prepared as shown.
ChemInform Abstract: Preparation of Some Allylic Sulfones; Base‐Catalyzed Isomerization and Deuteriation of Cyclohex‐2‐enyl p‐Tolyl Sulfones.
Authors: KNIGHT D. J. , LIN P. , RUSSELL S. T. , WHITHAM G. H.
Published: May 2016

A summary of the methods used in the preparation of a range of allylic sulfones such as (IV), (VI), (VII), (VIII) is given.
ChemInform Abstract: Stereospecific Conjugate Addition of Organolithium Reagents to Naphthylimines. A Facile Route to 1,1,2‐ and 1,2‐Substituted Dihydronaphthalenes.
Authors: MEYERS A. I. , BROWN J. D. , LAUCHER D.
Published: May 2016

The naphthylaldimine (I) reacts with the organolithium compounds (II) to form the adducts (III) which are methylated, hydrolyzed, and then reduced to give the alcohols (VII) via the imines (V) and the aldehydes (VI).
ChemInform Abstract: Phenanthrylalkanoic Acids. Part 1. Syntheses and Biological Activities of 1‐Phenanthryl Derivatives.
Authors: EIRIN A. , FERNANDEZ F. , GOMEZ G. , LOPEZ C. , SANTOS A. , CALLEJA J. M. , DE LA IGLESIA D. , CANO E.
Published: May 2016

Naphthalene (I) is acylated with succinic anhydride (II) in nitrobenzene to give the isomeric ketocarboxylic acids (III) and (IV).
ChemInform Abstract: Linear Arene Derivatives. New Routes to Pentacene and Naphthacene and the First Synthesis of a Triptycene with Two Anthracene Moieties.
Authors: LUO J. , HART H.
Published: May 2016

Pentacene (Vc) or the naphthacenes (Va) and (Vb) are obtained by reaction of the endoxides (I) with benzocyclobutene (II), followed by deoxygenation and dehydrogenation of the linear fused adducts (III).
ChemInform Abstract: The Nef Reaction on Trialkylsilyl Nitronates Promoted by m‐Chloroperbenzoic Acid. An Efficient Route to α‐Alkoxy Ketones from Nitroalkanes.
Authors: AIZPURUA J. M. , OIARBIDE M. , PALOMO C.
Published: May 2016

The nitroalkanes (Ia) ‐ (Ic) form the O‐silyl nitronates (III) upon reaction with the silyl chlorides (II) in the presence of DBU.
ChemInform Abstract: One‐Pot Synthesis of 3‐Aryl‐4‐methyl‐2(5H)‐furanones.
Authors: WAKHARKAR R. D. , DESHPANDE V. H. , LANDGE A. B. , UPADHYE B. K.
Published: May 2016

The phenylacetic acids (I) are coupled with chloroacetone (II).
ChemInform Abstract: Chemoselective Reactions of Ultrasonically Dispersed Potassium with Some Brominated Hydrothiophene S,S‐Dioxides.
Authors: CHOU T.‐S. , CHEN M.‐M.
Published: May 2016

Treatment of the 4‐bromo‐2‐sulfolenes (Ia) ‐ (Ic) with ultrasonically dispersed potassium results in dehydrobromination, elimination, and dimerization, producing the dihydrothionaphthene S,S‐dioxides (II) and/or (III).
ChemInform Abstract: Synthesis of Thiazolidinones from 1,4‐Dithiocyanatobut‐2‐enes and Their Use as Masked 2‐Amino‐1‐mercaptobut‐3‐enes.
Authors: ABD ELALL E. H. M. , AL ASHMAWY M. I. , MELLOR J. M.
Published: May 2016

The dithiocyanatobutenes (I) on heating in MeOH give via (3,3)‐sigmatropic rearrangement, the thiazolidinones (II) which are readily transformed to the aminomercaptobutenes (III).
ChemInform Abstract: Studies on the Sequential Claisen Rearrangement of Methyl‐3‐aryloxy‐2‐ (aryloxymethyl)prop‐2‐enoates.
Authors: GOPAL D. , RAJAGOPALAN K.
Published: May 2016

The bis(bromo)methacrylate (II), prepared from the methyl bromomethacrylate (I), is coupled with the phenols (III) to give the regioisomeric ethers (IV) and (V).
ChemInform Abstract: Diastereoselective Synthesis of 2,3‐cis‐2‐Alkyl‐3‐Oxygenated Piperidine Derivatives by Titanium Mediated Intramolecular Cyclization of α‐Aminoacetal ‐ Allylsilane System.
Authors: KANO S. , YOKOMATSU T. , IWASAWA H. , SHIBUYA S.
Published: May 2016

The titanium(IV) catalyzed cyclization of the methyl allyl carbamates (V) and (VIII) is investigated.
ChemInform Abstract: Synthesis of Nitrogen Heterocycles via Palladium‐Catalyzed Intramolecular Cyclization.
Authors: LAROCK R. C. , BABU S.
Published: May 2016

The N‐(oxo)alkenyl‐2‐iodoanilines (I), (III), (V), and (VII) are cyclized upon treatment with a base in the presence of palladium diacetate, yielding the benzo‐fused N‐heterocycles (II), (IV), (VI), and (VIII).
ChemInform Abstract: Synthesis of Optically Active Oxazolo(3,2‐a)piperidines from Enamides.
Authors: WANNER K. TH. , SCHUENEMANN J. +
Published: May 2016

The amide (I) is isomerized under the influence of rhodium(III) chloride and then cyclized to give the diastereomeric fused oxazolidinones (II) and (III).
ChemInform Abstract: Facile Synthesis of Some Oxazolopyridines and Their N‐Oxides via Intramolecular Cyclization.
Authors: TAGAWA Y. , GOTO Y.
Published: May 2016

Treatment of the E‐ketoxime (Ib) with trichloroacetyl isocyanate results in cyclization, forming the methylisoxazolopyridine (II).
ChemInform Abstract: 3,4‐Diazabenzvalene, the Azoalkane Precursor to Tetrahedrane. Synthesis and Reactivity.
Authors: KAISAKI D. A. , DOUGHERTY D. A.
Published: May 2016

The diol (Ia) is converted to the dibromide (Ic) which is cyclized with lithium amalgam to produce the polycyclic urazole (II).
ChemInform Abstract: Chiral Aziridination of α,β‐Unsaturated Esters and Ketones Using N‐Nitrenes in the Presence of Trifluoroacetic Acid.
Authors: ATKINSON R. S. , TUGHAN G.
Published: May 2016

The effects of TFA and temp. on the stereoselectivity of the cycloaddition of the N‐nitrene generated from (I) to the alkenes (II) is studied.
ChemInform Abstract: Syntheses of 3,6‐Substituted 4‐(3′,4′,5′‐Substituted‐1′‐Pyrazolyl)isoxazolo(5,4‐d)pyrimidines as Potential Antiinflammatory Agents.
Authors: ADHIKARI V. A. , BADIGER V. V.
Published: May 2016

Cyclocondensation of the hydrazines (I) with the dicarbonyl compounds (II) or the dinitrile (IV) yields the pyrazole substituted heterocyclic derivatives (III) or (V).
ChemInform Abstract: Azacycloalkanes. Part 30. Pyrrolo(1,2‐a)pyrazines with Different Degrees of Saturation in the Pyrazine Ring and Their Antihypertensive Activity
Authors: PERESADA V. P. , MEDVEDEV O. S. , LIKHOSHERSTOV A. M. , SKOLDINOV A. P.
Published: May 2016

Starting with the dihydropyrrolopyrimidines (I), the tetrahydro derivatives (II) and the fully unsaturated pyrrolopyrazines (III) are prepared by various hydrogenation or dehydrogenation procedures.
ChemInform Abstract: Nitroketene Aminals. Part 5. Synthesis of N2‐Substituted 2‐Amino‐3‐nitropyridines as Precursors of Pyrido(2,3‐b)pyrazines (3‐Deazapteridines).
Authors: MERTENS H. , TROSCHUETZ R. +
Published: May 2016

Reaction of the enamino ketones (I) with the nitroethylenes (II) or (IV) produces the nitropyridines (III).
ChemInform Abstract: Reaction of 2,4‐Diphenyl‐1,3,5‐triazine Derivatives with Nucleophiles.
Authors: YAMANAKA H. , OHBA S. , KONNO S.
Published: May 2016

The addition products formed from 2,4‐diphenyl‐1,3,5‐triazine (I) and hydrogen cyanide (II) or hydrazine hydrate (IV) undergo spontaneous aromatization to yield the 2‐substituted 4,6‐diphenyl‐1,3,5‐triazines (III) or (V).
ChemInform Abstract: Polyphosphorus Ligands. Part 2. The New Pentaphosphorus Ligand Bis(2,2‐bis(diphenylphosphino)ethyl)phenylphosphine and Its Sulfides.
Authors: BOOKHAM J. L. , MCFARLANE W.
Published: May 2016

The pentaphosphine (III) is prepared according to the scheme.
ChemInform Abstract: Diethyl 1‐Fluoro‐1‐phenylsulfonylmethanephosphonate, a Versatile Agent for the Preparation of Monofluorinated Building Blocks.
Authors: KOIZUMI T. , HAGI T. , HORIE Y. , TAKEUCHI Y.
Published: May 2016

Fluorination of the phenylsulfonylmethanephosphonate (I) with perchloryl fluoride gives the title compound (II) which is alkylated to yield the derivatives (IV).
ChemInform Abstract: Synthesis and Biological Activity of the Tris(2‐hydroxyethyl)ammonium Salt of Phenylselenenylacetic Acid.
Authors: NEFEDOVA T. V. , KUBATIEV A. A. , MARTYNOV A. V. , GUSEVA S. A. , KAZIMIROVSKAYA V. B. , MIRSKOVA A. N. , NOVIKOVA N. V. , LOBANOVA E. G. , NEPSHA V. D. , MOSKVITINA L. T. , VORONKOV M. G.
Published: May 2016

The salt (V) of phenylselenenylacetic acid (III) inhibits the aggregation of thrombocytes and has antihemolytic activity.
ChemInform Abstract: Cycloheptatrienyl Complexes of Molybdenum and Tungsten: Synthesis and Reactions of Some Vinylidene and Alkynyl Derivatives.
Authors: ADAMS J. S. , BITCON C. , BROWN J. R. , COLLISON D. , CUNNINGHAM M. , WHITELEY M. W.
Published: May 2016

Reaction of the terminal alkyne (II) with the cationic η7‐cycloheptatrienyl‐Mo complexes (I) yields the phenylvinylidene complex (III) which is readily deprotonated to give the alkynyl complex (IVa).
ChemInform Abstract: Synthesis and Reactions of Tris(tricarbonyl‐η5‐cyclopentadienylmolybdyl)phosphine, μ3‐P(η5‐C5H5Mo(CO)3)3.
Authors: GROSSBRUCHHAUS V. , REHDER D.
Published: May 2016

The title compound (III) is obtained from the 1:3 molar reaction of PCl3 (II) with the molybdate (I).
ChemInform Abstract: Aryloxide Ligands in the Metathesis of Olefins: Syntheses of W(OAr)xCl6‐x Complexes with x = 2, 3, and 4. Crystal Structures of W(O‐2,6‐C6H3‐iPr2)3Cl3 and W(O‐2,6‐C6H3Ph2)2Cl4.
Authors: QUIGNARD F. , LECONTE M. , BASSET J. M. , HSU L.‐Y. , ALEXANDER J. J. , SHORE S. G.
Published: May 2016

Treatment of WCl6 with various substituted phenols in CCl4 or toluene solvents leads to the chloro aryloxide complexes (I).
ChemInform Abstract: Dienophile Cycloaddition to Cycloheptatriene and Related Complexes of Tricarbonyliron. X‐Ray Crystal Structures of (Fe(CO)3(η4‐C7H7CN))·C2(CN)4 and (Fe(CO)3(η4‐C7H7‐C7H7)).
Authors: CHOPRA S. K. , CUNNINGHAM D. , KAVANAGH S. , MCARDLE P. , MORAN G.
Published: May 2016

The rate of tetracyanoethene (II) addition to the tricarbonyl‐Fe complexes (I) of substituted azepines and (V) of 1‐cyanocycloheptatriene are measured.
ChemInform Abstract: Complexes with Asymmetric Tetraamine Ligands. Part 4. Cobalt(III) Complexes Containing Two Chiral Ligands. Structure of λ‐cis‐β2‐(SS)‐(S‐alaninato‐2S,5R,9S‐trimethyltriencobalt(III)) Perchlorate Hydrate.
Authors: MUIR M. M. , MUIR J. A. , SAEZ R. , CAMPANA C. F.
Published: May 2016

The cis‐β2‐Co(III) complexes (I) are prepared by reaction of corresponding cis‐β‐ or cis‐α‐dichloro‐Me3trien‐Co(III) chlorides with S‐alanine or S‐isoleucine in aqueous solution at pH 7,5.
ChemInform Abstract: Transition Metal Complexes with “End‐Off” Compartmental Schiff Bases Containing Sulfonic or Phosphonic Groups.
Authors: GUERRIERO P. , AJO D. , VIGATO P. A. , CASELLATO U. , ZANELLO P. , GRAZIANI R.
Published: May 2016

The homobinuclear complexes (IV) and (VI) as well as the mononuclear Ni complexes (V) are obtained by template reaction of 2,6‐diformyl‐4‐chlorophenol (I) with the aminosulfonic acids (II) or 1‐aminoethanephosphonic acid in the presence of corresponding metal salts.
ChemInform Abstract: Copper(II) Complexes with Tripodal Imidazole‐Containing Ligands. Structure‐Electrochemistry Relationship.
Authors: NAKAO Y. , ONODA M. , SAKURAI T. , NAKAHARA A. , KINOSHITA I. , OOI S.
Published: May 2016

The tripodal ligands (I) are prepared according to the literature.
ChemInform Abstract: Facile Activation of H2 on 1,1‐ and 1,2‐Dithio Complexes of Rhodium(III). An Experimental Study.
Authors: BIANCHINI C. , MELI A.
Published: May 2016

The reactions of H2 with the 1,1‐dithio Rh(III) complexes (I) containing the tripodal phosphine MeC(CH2PPh2)2 (P3), which yield the products (II), (III), and (IV), are investigated.
ChemInform Abstract: Binuclear Complexes of Ruthenium and Osmium Bridged by 2,2′‐Bibenzimidazolate: Preparation, Electrochemistry, and Formation of Mixed‐Valence Complexes.
Authors: HAGA M. , MATSUMURA‐INOUE T. , YAMABE S.
Published: May 2016

The 2,2'‐bibenzimidazolate‐bridged binuclear complexes (I) are prepared starting with the mononuclear bibenzimidazolate chelate complexes (II).
ChemInform Abstract: A New Synthetic Method for Diaminomalonatoplatinum Type Complexes and the Unexpected Behavior of (PtCl2(trans‐dach)).
Authors: PASINI A. , CALDIROLA C.
Published: May 2016

According to the scheme the diaminomalonato‐Pt complexes (III) are synthesized with good yields.
ChemInform Abstract: Syntheses and Characteristics of Naphthoquinone Methide Near Infrared Dyes for Optical Storage Media.
Authors: KUBO Y. , MORI F. , YOSHIDA K.
Published: May 2016

Coupling of 1‐naphthylmalononitrile (Ia) or the acetamide (Ib) with the anilines (II) yields the naphthoquinone methides (III).
ChemInform Abstract: Migration of an Acetyl Group in Glucosamine and Glucose Derivatives by the Action of BuLi. Synthesis of a N‐Acetylglucosamine 4‐Phosphate Derivative.
Authors: GORBACH V. I. , KRASIKOVA I. N. , LUK'YANOV P. A. , SOLOV'EVA T. F. , OVODOV YU. S.
Published: May 2016

Treatment of the triacetylglucosamine (Ia) or the tetraacetylglucose (Ib) with butyllithium results in the 4→6‐migration of an acetyl group, producing the compounds (II).
ChemInform Abstract: The Chemistry of Indoles. Part 42. A Regioselective and Common Synthetic Method of Dihalogenoindoles and Its Application for the Total Syntheses of Marine Alkaloids, 4,6‐Dibromo‐, 4,6‐Dibromo‐2‐methyl‐, and 3,4,5‐Tribromoindole.
Authors: OHTA T. , YAMATO Y. , TAHIRA H. , SOMEI M.
Published: May 2016

The haloindolecarboxyaldehydes (I), (IV), and (VI) are thallated and then halogenated to give the dihalo derivatives (III), (V), or (VII).