bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Synthesis, Structural‐Bonding Magnetic Study, and 1H NMR Analysis of the Temperature‐Dependent Singlet‐Triplet Solution Equilibrium of the 46‐Electron Tricobalt Tris(pentamethylcyclopentadienyl) Dicarbonyl, Co3(η5‐C5Me5)3(μ3‐CO)2: An Isolobal Analogue of the Elusive Antiaromatic Cyclopropenyl Monoanion.
Authors: OLSON W. L. , STACY A. M. , DAHL L. F.
Published: May 2016

The title complex (I) is obtained as a minor product (1 to 2% yield) by photolytic decomposition of Co(η5‐C5Me5)(CO)2 in hexane together with Co3(η5‐C5Me5)3(μ3‐CO)(μ3‐O) (1‐2% yield) in addition to Co2(η5‐C5Me5)2(μ2‐CO)2 as the major product.
ChemInform Abstract: Preparation of the Chiral Hexadentate Ligand N,N′,N′′‐Tris((S)‐2‐hydroxypropyl)‐1,4,7‐triazacyclononane and Preparation and Circular Dichroism Spectra of Its Co(III) Complexes.
Authors: ROBB J. , PEACOCK R. D.
Published: May 2016

The novel title ligand (I) is prepared by neutralizing triazacyclononane as its trihydrobromide with KOH and reacting the liberated triamine with (S)‐propylene oxide (12 h, 20 °C).
ChemInform Abstract: Complexes of Large Ring Macrocycles. The Preparation of the C‐meso‐ and C‐racemic‐Diastereoisomers of Me6(18)aneN4 and Characterisation of Their “Blue” and “Red” Copper(II) Complexes.
Authors: HAY R. W. , PUJARI M. P.
Published: May 2016

The reaction of 1,4‐diaminobutane monohydroperchlorate with acetone gives the macrocyclic diene (I) (yield given in g), whose 18‐membered tetraaza structure (rather than the alternative 9‐membered diaza structure) is confirmed by molecular weight measurements.
ChemInform Abstract: Palladium(II) Complexes Containing Pyrazole‐Derived Ligands of Biological Interest. Four, Five and Six Coordinate Palladium(II) Complexes with 5(3)‐Methylpyrazole‐3(5)‐carboxamide and 5(3)‐Methylpyrazole‐3(5)‐carbohydrazide.
Authors: SAHA N. , BHATTACHARYYA D. , MUKHERJEE D.
Published: May 2016

Dichloro palladium complexes are prepared by reaction of PdCl2 in aqueous solution with a hot ethanolic solution of the respective ligand (I); the iodo compounds are obtained by anion metathesis from the chloro compounds.
ChemInform Abstract: Synthesis and X‐Ray Crystal Structure of the Heterobimetallic Complex ((OC)3Fe(μ‐dppm)(μ‐I)PtI).
Authors: JACOBSEN G. B. , SHAW B. L. , THORNTON‐PETT M.
Published: May 2016

The title complex (II) is prepared by treatment of the mononuclear Fe complex (I) with diiodocycloocta‐1,5‐diene‐Pt or by reaction of the heterobimetallic dibromo complex (III) with MeI.
ChemInform Abstract: Dehydrooligopeptides. Part 6. Facile Transformation of α‐Phosphoranylideneamino‐α‐alkenoates to δ2‐Dehydrodipeptide Derivatives.
Authors: YONEZAWA Y. , KISUNO A. , SHIN C.
Published: May 2016

The Arbusov reaction of the phosphoranylideneamino alkenoates (II) (obtained from the azides (I)) with the acyl chloride (III), the alkyl iodides (V), or the amino acid chlorides (VII) yields the products (IV), (VI), or (VIII).
ChemInform Abstract: Synthesis and Antitumor Activity of Certain 3‐β‐D‐Ribofuranosyl‐1,2,4‐ triazolo(3,4‐f)‐1,2,4‐triazines Related to Formycin Prepared via Ring Closure of a 1,2,4‐Triazine Precursor.
Authors: RAMASAMY K. , UGARKAR B. G. , MCKERNAN P. A. , ROBINS R. K. , REVANKAR G. R.
Published: May 2016

Starting with anhydro‐D‐allonic acid (II), the ribofuranosyltriazolotriazines (IIIb), (IVb), (VI), (VIIb), (VIII), and (IX) are produced as described in the reaction scheme.
ChemInform Abstract: Selectivity in the Laser‐Induced Photochemistry of I2 + C2H2 in the Gas Phase.
Authors: YAPPERT M. C. , YEUNG E. S.
Published: May 2016

Studies conducted with isotopic mixtures of 127I2, 129I2 and 127I, 129I reveal that the reaction proceeds by the addition of iodine atoms to acetylene.
ChemInform Abstract: Crystal Structures of Hydrazinium(2+) Fluorometallates. Crystal Structures of Hydrazinium(2+) Difluoride Hexafluorogermanate(IV) and Hydrazinium(2+) Pentafluoroantimonate(III).
Authors: GANTAR D. , GOLIC L. , LEBAN I. , RAHTEN A.
Published: May 2016

Colorless, prismatic single crystals of the title compounds have been isolated from the systems H2GeF6‐N2H6F2‐H2O and SbF3‐N2H6F2‐H2O. Both the compounds crystallize in the orthorhombic crystal system.
ChemInform Abstract: NMR of the Graphite Intercalation Compounds C7SbF5 and C10AsF5.
Authors: EBERT L. B. , GARCIA A. R. , SELIG H.
Published: May 2016

19F and 121Sb NMR results for the intercalation compounds demonstrate that the intercalated fluorine‐containing ensembles show a behavior different from that expected for a simple MF6‐/MF3 (M: Sb, As) mixture.
ChemInform Abstract: Semiconduction in the Liquid Tl‐SbTlX3 System (X: Te, Se).
Authors: UEMURA O. , MATSUDA H. , SATOW T.
Published: May 2016

In both the liquid title systems an anomalous behavior in electrical properties can be observed around the stoichiometric composition SbTl3X3.
ChemInform Abstract: The Effect of Titanium and Sodium in Alumina on Its Acidic and Catalytic Properties.
Authors: JIRATOVA K. , ROCEK J.
Published: May 2016

It is shown that the negative effect of up to 1 wt.% sodium in alumina on the acidic and catalytic properties can be compensated by the presence of up to 1 wt.% titanium.
ChemInform Abstract: Photochemical Water Exchange of Rhodium(III) Complexes. Part 2. Photochemical Water Exchange in Relation to Photoisomerization of cis‐ and trans‐Tetraamminediaquarhodium(III) Ions in Aqueous Perchloric Acid.
Authors: MOENSTED L. , SKIBSTED L. H.
Published: May 2016

The quantum yields for H2O exchange and isomerization of cis‐ and trans‐(Rh(NH3)4(H2O)2)3+ in aqueous acidic perchlorate solution have been determined at 25 °C following 366 nm irradiation.
ChemInform Abstract: Preparation and Stabilization of ReF+ 6 Salts: Evidence for Mixed Ion‐Molecule Salts of Formula ReF+ 6ReF7MF‐ 6MF5 (M: Sb, Au).
Authors: YEH S. M. , BARTLETT N.
Published: May 2016

The title compounds (III) (orthorhombic and rhombohedral) and (VIII) are prepared as outlined in the scheme.
ChemInform Abstract: Preparation and Properties of Green Rust Type Substances.
Authors: VINS J. , SUBRT J. , ZAPLETAL V. , HANOUSEK F.
Published: May 2016

A procedure for the reproducible preparation of Green Rust (GR) substances involving SO42‐, Cl‐, Br‐, or I‐ in a sufficiently stable state is developed.
ChemInform Abstract: Metabolites of Microorganisms. Part 237. (2S,3R,4R,6R)‐2,3,4‐Trihydroxy‐6‐methylcyclohexanone from Two Strains of Actinomycetes.
Authors: MUELLER A. + , KELLER‐SCHIERLEIN W. , BIELECKI J. , RAK G. , STUEMPFEL J. + , ZAEHNER H. +
Published: May 2016

The relative configuration of the title compound (I) is confirmed by spectroscopic methods, while the absolute configuration is determined by degradation to (+)‐(R)‐methylsuccinic acid.
ChemInform Abstract: X‐Ray Analysis of Ca2+ Antagonists: 3,5‐Bis(methoxycarbonyl)‐2,6‐dimethyl‐4‐(2‐aminophenyl)‐1,4‐dihydropyridine Hydrate.
Authors: FOSSHEIM R.
Published: May 2016

To determine the relationship between conformational parameters and pharmacological activity several Ca2+ antagonists of the 1,4‐dihydropyridine type have been investigated.
ChemInform Abstract: Prototropism in (Pentamethylcyclopentadienyl)iridium Complexes with Pyrazole Ligands.
Authors: CARMONA D. , ORO L. A. , LAMATA M. P. , ELGUERO J. , DEL CARMEN APREDA M. , FOCES‐FOCES C. , CANO F. H.
Published: May 2016

Reaction of ((C5Me5)IrCl)2(μ‐Cl)2 with pyrazole or 3,5‐dimethylpyrazole gives the complexes (I) or (IIa), both with 70% yield.
ChemInform Abstract: Spectrophotometric and Voltammetric Characterization of Complexes of Bis(2,2′‐bipyridine)(2,2′‐bibenzimidazole)ruthenium and ‐osmium in Oxidation States II, III, and IV in Acetonitrile‐Water Mixtures.
Authors: BOND A. M. , HAGA M.
Published: May 2016

Acid‐base and redox chemistry of the title compounds is investigated.
ChemInform Abstract: Repetitive Diels‐Alder Reactions for the Growth of Linear Polyacenequinoid Derivatives.
Authors: THOMAS A. D. , MILLER L. L.
Published: May 2016

The tetramethylene compound (I) reacts with the quinones (II) to give the adducts (III) which are oxidized to form (IV).
ChemInform Abstract: Facile and Efficient Syntheses of Carboxylic Anhydrides and Amides Using (Trimethylsilyl)ethoxyacetylene.
Authors: KITA Y. , AKAI S. , AJIMURA N. , YOSHIGI M. , TSUGOHSI T. , YASUDA H. , TAMURA Y.
Published: May 2016

Using the stable acetylene reagent (II), the carboxylic acids (I), (V), and (VII) are converted to the corresponding anhydrides (III) and (VI) or to the amides (IX).
ChemInform Abstract: CIDNP Study on Porphyrin‐Photosensitized Reactions with Phenol and Quinone. Dimerization of 4‐Methoxyphenol and Cross Coupling of Benzoquinone to Porphyrins Covalently Linked with Phenol Group.
Authors: MARUYAMA K. , FURUTA H. , OSUKA A.
Published: May 2016

Photoreaction of 5,10,15,20‐tetraphenylporphyrin (TPP) with phenol (Ia) gives rise to the triplet pair of radical ions TPP·‐ + (Ia)·+.
ChemInform Abstract: The Reaction of 1,2,2‐Trimethylbicyclo(1.1.0)butane with Excited State 1‐Cyanonaphthalene.
Authors: GASSMAN P. G. , CARROLL G. T.
Published: May 2016

The title compound (I) reacts with excited 1‐cyano‐naphthalene (X) at a diffusion‐controlled rate in methanol (II) to produce cis‐ (III) and trans‐cyclobutane (IV) (not separable; yield 17‐21%), the methylenecyclobutane (V) (7‐13%), and the cyclopropane (VI) (22% in the presence of 0.07 M (X), 2% in the presence of ≥ 0.15 M (X)).
ChemInform Abstract: Reactions of HCl(g), DCl(g), and HBr(g) with the Adduct Pyrazine‐Phosphorus(V) Chloride.
Authors: KNACHEL H. C. , OWENS S. D. , LAWRENCE S. H. , DOLAN M. E. , KERBY M. C. , SALUPO T. A.
Published: May 2016

The heterogeneous reaction between (I) and HCl at ‐63 °C indicates that initial protonation of the p‐nitrogen in the pyrazine ring takes place.
ChemInform Abstract: Thermally Induced Redox Reaction of Carbonyl Compounds and Alcohols in a Radical Chain Reaction.
Authors: MALWITZ D. , METZGER J. O.
Published: May 2016

Carbonyl compounds (I) are reduced by alcohols in a thermally initiated radical chain reaction, and not in a pericyclic reaction.
ChemInform Abstract: Organic Chemistry of Subvalent Transition Metal Complexes. Part 12. Hydrodesulfurization of Organosulfur Heterocycles by Metal Hydride‐Nickel(0) Complexes: Accelerated Single‐Electron Transfer in Carbon‐Sulfur Bond Cleavage.
Authors: EISCH J. J. , HALLENBECK L. E. , HAN K. I.
Published: May 2016

The novel Ni complex (II) which results from the interaction of the complex (I) with LiAlH4 in a THF solution is a powerful desulfurizing agent in homogeneous solution for aromatic sulfur compounds such as (III) or (V).
ChemInform Abstract: Synthesis of 2‐(ω′‐Carboxyalkyl)cycloalkanones.
Authors: STAROSTIN E. K. , ALEKSANDROV A. V. , NIKISHIN G. I.
Published: May 2016

The ω‐olefincarboxylic acids (II), prepared from the cycloalkanones (I) by copper(II)/iron(II) sulfate‐catalyzed oxidation with hydrogen peroxide, react with (I) in the presence of di‐tert‐butyl peroxide at elevated temperatures to give the title compounds (III).
ChemInform Abstract: An Improved Synthesis of 4‐Fluoroveratrole. Efficient Route to 6‐Fluoroveratraldehyde and 6‐Fluoro‐D,L‐DOPA.
Authors: FURLANO D. C. , KIRK K. L.
Published: May 2016

Aminoveratrole (II) is converted to fluoroveratrole (Ia) via the corresponding diazonium tetrafluoroborate.
ChemInform Abstract: A Convenient Preparation of Sulfinic Acids by the Reaction of 2‐Sulfonylpyridines and Their N‐Oxides with Nucleophiles.
Authors: FURUKAWA N. , TSURUOKA M. , FUJIHARA H.
Published: May 2016

The sodium salts (III) of sulfinic acids are prepared by reaction of the sulfonylpyridines (I) and sulfonylpyridine N‐oxides (IV) with sodium ethoxide.
ChemInform Abstract: Intramolecular Diels‐Alder Reactions with Methyl 2‐Trimethylsilyloxy‐2‐vinylcyclopropanecarboxylates as Key Building Blocks.
Authors: ZSCHIESCHE R. , GRIMM E. L. , REISSIG H.‐U.
Published: May 2016

The title reaction of the ester (I) yields the racemic octalones (III).
ChemInform Abstract: Photooxygenation of 5‐Hydroxymethyl‐2‐furfural Derivatives.
Authors: COTTIER L. , DESCOTES G. , NIGAY H. , PARRON J.‐C. , GREGOIRE V.
Published: May 2016

The furan compounds (I), (IV), (V), (VII), (IX), (X) and (XII) are treated according to method A) yielding the products shown in the scheme (no yields given for (IIa) and (VI) obtained from (V)).
ChemInform Abstract: Synthesis and Spectral Characterization of γ‐Hydroxy‐δαβ‐butenolides Possessing a Conjugated Substituent at the β‐Position.
Authors: ITO M. , IWATA T. , TSUKIDA K.
Published: May 2016

The title compounds (VI) are prepared by aldol condensation of the aldehydes (I) with the ketone (II), followed by Emmons‐Horner olefination and subsequent lactonization of the intermediates (V) with sulfuric acid.
ChemInform Abstract: Synthesis of Five‐ and Six‐Membered Nitrogen Heterocycles via a Palladium(II)‐Catalyzed Cyclization of Unsaturated Amides.
Authors: TAMARU Y. , HOJO M. , KAWAMURA S. , YOSHIDA Z.
Published: May 2016

Reaction of the unsaturated tosylamides (II) and (VII) respectively with the aryl‐tin reagents (I) in the presence of catalytic amounts of the palladium complex (III) yields the nitrogen heterocycles (V) and (IX) and the open‐chain arylation products (VI) and (VIII).
ChemInform Abstract: The Chemistry of Indoles. Part 32. A Facile Synthetic Method for 6‐Indolecarbaldehyde, 6‐Indolemethanol, and 6‐Substituted 1‐Hydroxyindoles and Its Application for the Synthesis of a Natural Alkaloid, (E)‐6‐(3Methylbuta‐1,3‐dienyl)indole.
Authors: SOMEI M.
Published: May 2016

Reductive ring closure of the nitroaldehyde (III) with TiCl3 yields a mixture of the indolecarbaldehyde (IV) and the indolemethanol (V), the ratio depending on the amount of TiCl3 used.
ChemInform Abstract: A Convenient Preparation of 5‐Alkyl‐4‐carbalkoxy‐1,2,3‐thiadiazoles.
Authors: CARON M.
Published: May 2016

The diazo ketoesters (I) react with the thionating reagents (II) to form the thiadiazoles (III).
ChemInform Abstract: An Efficient Alkylation of 8‐Oxabicyclo(3.2.1)oct‐6‐en‐3‐ones.
Authors: BOWERS K. G. , MANN J. , MARKSON A. J.
Published: May 2016

Alkylations of the title compounds (III), prepared as shown in the scheme, are carried out via their enol silyl ethers (V).
ChemInform Abstract: Synthetic 1,4‐Disubstituted‐1,4‐Dihydro‐5H‐tetrazol‐5‐one Derivatives of Fentanyl: Alfentanil (R 39209), a Potent, Extremely Short‐Acting Narcotic Analgesic.
Authors: JANSSENS F. , TORREMANS J. , JANSSEN P. A. J.
Published: May 2016

The isocyanates (I) or the acyl chlorides (II) and (IV) are transformed into the dihydrotetrazolones (III).
ChemInform Abstract: Pyridonecarboxylic Acids as Antibacterial Agents. Part 2. Synthesis and Structure‐Activity Relationship of 1‐(4‐Hydroxyphenyl)‐6‐substituted‐4‐ pyridone‐3‐carboxylic Acids. Pyridonecarboxylic Acids as Antibacterial Agents. Part 3. Synthesis and Structure‐Activity Relationship of 1‐(4‐ Fluorophenyl)‐ and 1‐(2,4‐Difluorophenyl)‐6‐substituted‐4‐pyridone‐3‐ carboxylic Acids.
Authors: NARITA H. , KONISHI Y. , NITTA J. , KOBAYASHI Y. , WATANABE Y. , MINAMI S. , SAIKAWA I. , MIYAZIMA M. , YOTSUJI A.
Published: May 2016

The 4‐pyridone‐3‐carboxylic acids (VII) are prepared by Wittig reaction, coupling of the olefins (III) with the acetal (IV) and the anilines (V), followed by cyclization.
ChemInform Abstract: One‐Carbon Unit Transfer to Enamines Through Oxazolidines and Tetrahydro‐2H‐1,3‐oxazine.
Authors: SINGH H. , SARIN R. , SINGH K.
Published: May 2016

The relatively stable enamino ester (III) reacts with the oxazolidines (I) and tetrahydro‐2H‐1,3‐oxazine (IV), yielding the 1,4‐dihydropyridines (IIa) and (IIb) respectively.
ChemInform Abstract: Attempted Intramolecular Polonovski Cyclisation of an Indole‐Linked Quinuclidine Derivative. A Novel Intramolecular Oxygen Transfer Reaction.
Authors: CHAPMAN R. F. , PHILLIPS N. I. J. , WARD R. S.
Published: May 2016

The indole carboxaldehyde (I) reacts with 3‐quinuclidone (II), forming the alkenes (III).
ChemInform Abstract: Synthesis of Dimethyl 5a,9a‐Methano‐(10)annuleno(1,2‐d)pyridazine‐1,4‐dicarboxylate.
Authors: NEIDLEIN R. , TADESSE L.
Published: May 2016

Diels‐Alder reaction of the diene (I) with the tetrazine (II) yields the adduct (III).
ChemInform Abstract: Imidazo(1,2‐b)pyridazines. Part 1. Some 3‐Alkoxy‐6‐halogeno‐2‐phenyl‐(and 4′‐substituted phenyl)imidazo(1,2‐b)pyridazines and 3‐Methoxy‐2,6‐diphenylimidazo(1,2‐b)pyridazine.
Authors: BARLIN G. B.
Published: May 2016

With a view to their probable biological activity the title compounds (III) or (VII) are prepared from the reaction of the amines (I) with the glyoxal (II) or the amine (V) with the glyoxals (VI).
ChemInform Abstract: Organomanganese(II) Reagents in the Synthesis of 5‐Pyrimidinyl Ketones.
Authors: ARUKWE J. , UNDHEIM K.
Published: May 2016

The acid chlorides (II), obtained from (I) by means of selective saponification followed by chlorination, are treated with the title reagents (III) to give the ketones (IV).
ChemInform Abstract: Metabolites of 1,5‐Dihydroimidazo(2,1‐b)quinazolin‐2(3H)‐ones. Preparation and Reactions of Some 1,5‐Dihydro‐3‐hydroxyimidazo(2,1‐b)quinazolin‐2(3H)‐ones.
Authors: STALDER H.
Published: May 2016

The benzyl halides (I) are converted to the diamines (V) (yields in g), which undergo in the presence of (VI) cyclization to give the quinazolines (VIIa)‐(VIIc); deprotection of (VIIa) affords (VIId).
ChemInform Abstract: Transformation of Quinazoline into 2(1H)‐Quinolinones with Alkanoic Anhydrides.
Authors: HIGASHINO T. , GOTO A. , MIYASHITA A. , HAYASHI E.
Published: May 2016

Treatment of quinazoline (I) with the anhydrides (II) produces the quinolinones (III).
ChemInform Abstract: Synthesis of 5H‐Dipyrido(1,2‐a:3′,2′‐e)pyrimidin‐5‐one and 5H‐Pyrido‐(3′,2′:5,6)pyrimido(1,2‐a)quinazolin‐5‐ones.
Authors: KAMAL A. , RAO M. V. , SATTUR P. B.
Published: May 2016

The title compounds (III), (V), and (VI) are prepared as outlined in the reaction scheme.
ChemInform Abstract: The Structural Study on 2‐Aminodihydropyrimidine Derivatives.
Authors: KIM Y. H. , KIM H. R.
Published: May 2016

S‐Methylation of the thio‐dihydrouracil (I) and amination of (II) produce the amino hydroiodides (IV) which are cleaved, giving the free bases (V).
ChemInform Abstract: New Imidoyl Isothiocyanates. Chemical Behavior in Polar Solvents. Reaction with Sulfenyl Thiocyanates: Preparation of 1,2‐Dihydro‐2‐thioxo1,3,5‐triazines and 1,3,4,6,6a‐Triazadithia(6aSIV)pentalenes.
Authors: MOREL G. , MARCHAND E. , HAQUIN C. , FOUCAUD A.
Published: May 2016

The imidoyl isothiocyanates (III) can be prepared either by slow addition of sulfenyl thiocyanates (II) to isonitriles (I) or by reaction of the chloro derivatives (V) with ammonium thiocyanate (IV).
ChemInform Abstract: Polycyclic N‐Hetero Compounds. Part 28. Synthesis and Antidepressive Evaluation of 4‐Substituted 9‐Chloro‐6,7‐dihydro‐5H‐pyrimido(5,4‐d)(1)benzazepine.
Authors: HIROTA T. , FUKUMOTO M. , SASAKI K.
Published: May 2016

The chlorodihydropyrimidobenzazepine (I) and the amines (II) react to give the amino derivatives (III).
ChemInform Abstract: Phosphono‐ and Phosphinoformic Acid Derivatives via Alkoxycarbonylphosphono and Phosphino Acid Trimethylsilyl Esters.
Authors: ISSLEIB K. , STIEBITZ B.
Published: May 2016

The sodium salts (I) and (III), the chlorides (IV) and (VI), and the amides (V) and (VII) of the phosphono‐ and phosphinoformic acid esters are easily prepared from the corresponding (II) under various conditions as shown in the schema.
ChemInform Abstract: Halophilic Transformations of Chlorophosphonium Compounds Under the Action of Iodine Anion Donors.
Authors: TIMOKHIN B. V. , VENGEL'NIKOVA V. N. , SERGIENKO L. M. , DONSKIKH V. I.
Published: May 2016

The chlorophosphonium salts (I) are reduced by the pyridinium iodide (II) or the sulfonium iodide (III) to give the dichlorophosphines (IV).
ChemInform Abstract: α‐Lithiated Phosphonate Carbanions. Synthesis, Basicity, and Resistance to Self‐Condensation.
Authors: TEULADE M.‐P. , SAVIGNAC P. , ABOUJAOUDE E. E. , COLLIGNON N.
Published: May 2016

Triethylphosphite (I) reacts with methyl and ethyl iodide (II) to give the phosphonates (III).
ChemInform Abstract: Transition Metal Alkyl Compounds. Part 48. Synthesis and Properties of Tetrakis(1‐naphthylmethyl) Titanium, Zirconium, and Hafnium.
Authors: SCHOLZ J. , THIELE K.‐H.
Published: May 2016

The title compounds (II) are prepared by 4:1 molar reaction of 1‐naphthylmethyl‐MgCl (I) with the metal tetrachlorides as shown.
ChemInform Abstract: Polygermanes. Part 17. Ph3Ge‐(GePh2)3‐GePh3, a Pergerma Analogue of n‐Pentane.
Authors: ROLLER S. , DRAEGER M. +
Published: May 2016

Reaction of the digermane (I) with the dichloride (II) yields the title compound (III) as the main product.
ChemInform Abstract: Monomeric Octahedral Cobalt(III) Complex of a Substituted N,N′‐Bis(salicylidene)diethylenetriamine Ligand.
Authors: KOZIOL A. E. , PALENIK R. C. , PALENIK G. J.
Published: May 2016

During an attempt to prepare a binuclear Co‐Eu complex via a template type reaction using substituted 2,6‐diformylphenol as starting material, a precipitate was formed.
ChemInform Abstract: Organic Chemistry of Subvalent Transition Metal Complexes. Part 11. Oxidative Additions of Nickel(0) Complexes to Carbon‐Carbon Bonds in Alkynes: Nickelirenes and Nickeloles as Catalytic Carriers in the Oligomerization of Alkynes.
Authors: EISCH J. J. , GALLE J. E. , ARADI A. A. , BOLESLAWSKI M. P.
Published: May 2016

Tetraphenylbutadiene (Ia) reacts via its dilithio compound (Ib) with the Ni complexes (II) to give the nickeloles (III) which can also be obtained from the cyclobutadienyl complex (V).
ChemInform Abstract: Metal Complexes of Macrocyclic Ligands. Part 23. Synthesis, Properties, and Structures of Mononuclear Complexes with 12‐ and 14‐Membered Tetraazamacrocycle‐N,N′,N′′,N′′′‐tetraacetic Acids.
Authors: RIESEN A. , ZEHNDER M. , KADEN T. A.
Published: May 2016

Equimolar amounts of the ligands (I) and a metal salt (chloride or sulfate) react in aqueous acidic solution (pH 3.5‐4) to yield the complexes (II).
ChemInform Abstract: Metal Complexes of Macrocyclic Ligands. Part 24. Binuclear Complexes with Tetraazamacrocycle‐N,N′,N′′,N′′′‐tetraacetic Acids.
Authors: RIESEN A. , ZEHNDER M. , KADEN T. A.
Published: May 2016

The ligand (Ia) reacts with CuSO4 in aqueous solution (pH 4) to yield the complex (II).
ChemInform Abstract: Basic Metals. Part 59. Dinuclear and Trinuclear Complexes Containing Co‐Au and Rh‐Au Bonds.
Authors: WERNER H. , OTTO H.
Published: May 2016

The di‐ and trinuclear complexes (II) and (V) are prepared by reaction of the cyclopentadienyl complexes (I) and (IV) with AuCl(PPh3)/LiPF6.
ChemInform Abstract: Synthesis, Characterization, and Reactivity of Phosphine‐ and Arsine‐Bridged Dirhodium Complexes Containing Bridging Pyrazolate and Triazolate Ligands.
Authors: JANKE C. J. , TORTORELLI L. J. , BURN J. L. E. , TUCKER C. A. , WOODS C.
Published: May 2016

The μ‐chloro‐Rh(I),Rh(I) complexes (I) react with the corresponding pyrazolates or triazolate to give the dirhodium(I) A‐frame complexes (IIa) and (IIc).
ChemInform Abstract: Synthesis, Structure, and Reactivity of (NBu4)x(Pt(C6Cl5)2(μ‐Cl)2Ag)x, a Novel Chain Polymeric Pt‐Ag Compound. Structure of (NBu4)(PtAgCl2(C6Cl5)2(PPh3)) and (Pt(C6Cl5)2(μ‐Cl)2Ag2(PPh2Me)2).
Authors: USON R. , FORNIES J. , TOMAS M. , CASAS J. M. , COTTON F. A. , FALVELLO L. R.
Published: May 2016

Reaction of the Pt(II) complex (I) with AgNO3 or AgClO4 yields the novel polymeric title complex (II).
ChemInform Abstract: Enantioselective Ring Construction: Synthesis of Halogenated Marine Natural Spiro(5.5)undecane Sesquiterpenes.
Authors: MARTIN J. D. , PEREZ C. , RAVELO J. L.
Published: May 2016

A general method is developed to achieve a significant amount of asym.
ChemInform Abstract: New Sesquiterpenoids from Cabreuva Oil.
Authors: MAURER B. , HAUSER A. , OHLOFF G.
Published: May 2016

The sesquiterpene ethers (I)‐(IV) (cabreuva oxides A‐D) are isolated for the first time from the title species.
ChemInform Abstract: Membrane Structure of Substance P. Part 3. Secondary Structure of Substance P in 2,2,2‐Trifluoroethanol, Methanol, and on Flat Lipid Membranes Studied by IR Spectroscopy.
Authors: ERNE D. , ROLKA K. , SCHWYZER R.
Published: May 2016

IR data of the neuropeptide (Ia) (substance P) and its synthetic segments (Ib)‐(Id), (II) indicate predominant β‐structures in the solid state and α‐helical structures in trifluoroethanol, In Me‐OH, the spectra of (Ia) suggest a partly helical structure.
ChemInform Abstract: Synthesis and Structure of (W2(S)2(μ‐S)(η2‐S2)4)2‐, a Novel Binary Sulfide Derived from the Acidification of WS2‐ 4.
Authors: MANOLI J. M. , POTVIN C. , SECHERESSE F.
Published: May 2016

The title anion has been obtained in an attempt to prepare the (Mn(WS4)2)2‐ dianion (see scheme).
ChemInform Abstract: Crystal and Molecular Structure of Ethyl α‐((E)‐Hydroxyimino)‐β‐(2(α,α‐dimethylallyl)indol‐3‐yl)p# ropanoate, C18H22N2O3·1/6 CH2Cl2.
Authors: BOSMAN W. P. , BEURSKENS P. T. , SMITS J. M. M. , PLATE R. , OTTENHEIJM H. C. J.
Published: May 2016

The title compound (I), a compound of unexpected reactivity, crystallizes in the space group P21/c with Z = 8. (I) is prepared by reaction of the ester (II) with 2‐(α,α‐dimethylallyl)indole.
ChemInform Abstract: The Photochemistry of 2,2‐Dimethyl‐ and 2‐Aryl‐2‐methylnaphthalen‐1(2H)‐ones. Substitution Requirement for the Oxadi‐π‐methane Rearrangement.
Authors: GREENLAND H. , KOZYROD R. P. , PINHEY J. T.
Published: May 2016

The photochemical behavior of the variously substituted naphthalen‐1(2H)‐ones (I), (II), (III), (VI) and (X) has been studied.
ChemInform Abstract: The Directed Reduction of β‐Hydroxy Ketones Employing Me4NHB(OAc)3.
Authors: EVANS D. A. , CHAPMAN K. T.
Published: May 2016

Reduction of β‐hydroxy ketones such as (I) with the borohydride (II) yields predominantly the corresponding anti‐diols such as (III).
ChemInform Abstract: Novel Substituent Effect Controlling the Stability of α‐Azohydroperoxides.
Authors: TEZUKA T. , ANDO S.
Published: May 2016

Autoxidation of the arylhydrazones (I) yields the arylazohydroperoxides (II).
ChemInform Abstract: Phase‐Transfer Synthesis of Symmetrical and Unsymmetrical Dialkyl Trithiocarbonates.
Authors: DEGANI I. , FOCHI R. , GATTI A. , REGONDI V.
Published: May 2016

The dialkyl trithiocarbonates (V) and (VIII) are prepared by one‐pot procedures using carbon disulfide (I), sodium sulfide (II), and the alkyl halides (IV) or the alkyl mercaptans (VI), carbon disulfide (I), and the alkyl halides (IV).
ChemInform Abstract: Formation of an Oxirane by the Reaction of 9‐Diazofluorene with 2,3‐Dichloro‐5,6‐dicyanobenzoquinone and Inclusion of Some Solvents in the Oxirane.
Authors: SHINGAKI T. , TSUJITA M. , NAGAI T.
Published: May 2016

9‐Diazofluorene (I) reacts with DDQ (II) to yield the spirooxirane (III), together with 9,9'‐bifluorenylidene (IV).
ChemInform Abstract: A Novel 3,4‐Dihydro‐5‐methylene‐1,2,4‐triazole and Its Reactions with Acrylonitrile and Sulphene (Thioformaldehyde S,S‐Dioxide) to Form Spiroaziridines.
Authors: SCHWAN A. L. , WARKENTIN J.
Published: May 2016

The dihydrotriazole (VI), prepared from acetonitrile (I) and tert‐butyl chloride (II), reacts with acrylonitrile (VII) or methanesulfonyl chloride (IX), yielding the spiroaziridines (VIII) and (X) respectively.
ChemInform Abstract: Dipeptide Analogues: Versatile Synthesis of the Hydroxyethylene Isostere.
Authors: KEMPF D. J.
Published: May 2016

The reaction of the dianion of methacrylamide (I) with the protected aminoaldehyde (II) leads to the two methylene lactones (III) and (IV).
ChemInform Abstract: Synthesis of an Optically Active Trisubstituted α,β‐Butenolide, (S)‐4,6‐Dihydroxy‐2,3‐dimethyl‐2‐hexenoic Acid 1,4‐Lactone, from 2‐Deoxy‐D‐ribose.
Authors: TADANO K. , IIMURA Y. , OHMORI T. , UENO Y. , SUAMI T.
Published: May 2016

The butenolide (XIV) is synthesized from the protected pentitol (I) via the hydroxyester (X) as shown in the reaction scheme.
ChemInform Abstract: Solvolytic Hydroperoxide Rearrangements. Part 3. Stereoselective Rearrangements of Methylated Cyclopropyl Carbinols.
Authors: RONALD R. C. , LILLIE T. S.
Published: May 2016

The isomeric spiroalcohols (I) are treated with H2O2 to produce the ring expanded hydroperoxides (II) and (III).
ChemInform Abstract: trans‐2,5‐Dimethyl‐2,5‐bis(3‐aminopropyl)pyrrolidinyl‐1‐oxy: A transDiamino Azethoxyl Nitroxide.
Authors: KEANA J. F. W. , PRABHU V. S.
Published: May 2016

The bis(aminopropyl)nitroxide (Id) is prepared from (Ia) via the diol (Ib) and the bisazide (Ic).
ChemInform Abstract: Synthesis of 4‐Amino‐3‐pyridinyl and 4‐Amino‐5‐pyrimidinyl Aryl Ketones and Related Compounds via an ortho‐Lithiation Reaction.
Authors: RADINOV R. , HAIMOVA M. , SIMOVA E.
Published: May 2016

Lithiation of 4‐chloropyridine (Ia) and 4,6‐dichloropyrimidine (Ib) and subsequent reaction with the benzaldehydes (III) yield the alcohols (IV) which are oxidized to form the ketones (V).
ChemInform Abstract: Synthesis of an Optically Active Spermine Macrocycle, (S)‐6‐(Hydroxymethyl)‐1,5,10,14‐tetraazacyclooctadecane, and Its Complexation to ATP.
Authors: MARECEK J. F. , BURROWS C. J.
Published: May 2016

L‐Ornithine hydrochloride (I) is converted to the diaminocarbinol (II).
ChemInform Abstract: Synthesis and Enantiomer Recognition of Crown Ethers Containing the cis‐4b,5,6,10b,11,12‐Hexahydrochrysene and the cis‐4b,5,9b,10‐Tetrahydroindeno(2,1‐a)indene Subunit as the Chiral Centre.
Authors: NAEMURA K. , KOMATSU M. , ADACHI K. , CHIKAMATSU H.
Published: May 2016

Starting with the diacid (Ia) or the dione (V), the optically active crown ethers (IV) and (VI) are prepared as shown in the reaction scheme.
ChemInform Abstract: Synthesis of Organometallic Heterodinuclear μ‐Oxo Complexes by Extrusion of Alkenes from Zirconium/Tungsten Oxaalkyl Complexes.
Authors: JACOBSEN E. N. , TROST M. K. , BERGMAN R. G.
Published: May 2016

Dinuclear oxaalkyl complexes (III) are obtained in good yield by treatment of appropriate carbon‐bound W enolates (I) with the hydrido‐Zr complex (II) under rigorously air‐ and moisture‐free conditions.
ChemInform Abstract: Arenediazonium Complexes of Cobalt(I): Synthesis and Properties.
Authors: ALBERTIN G. , BORDIGNON E.
Published: May 2016

The preparation of the title complexes (III) is described.
ChemInform Abstract: (2,3)Wittig Ring Contraction. A New Route to Cembranoid Natural Products.
Authors: MARSHALL J. A. , JENSON T. M. , DEHOFF B. S.
Published: May 2016

The seventeen‐membered cyclic ether (II) is prepared from all‐trans‐ farnesyl acetate (I).
ChemInform Abstract: Chiral Multifunctional Isoprene Units by Ring‐Contraction of Riboside Oxiranes.
Authors: SUNDIN A. , FREJD T. , MAGNUSSON G.
Published: May 2016

The lithium bromide initiated thermolysis of the easily accessible anhydro‐D‐ribopyranoside (I) leads to the ring‐contracted dihydrofuran (II) together with (III) and considerable amounts of polymers.
ChemInform Abstract: Chemistry of Flavins. Part 4. Synthesis of 5‐Deazaflavin Adenine Dinucleotide (5‐dFAD) Using a Modified Triester Approach.
Authors: SMIT P. , STORK G. A. , VAN DER PLAS H. C. , DEN HARTOG J. A. J. , VAN DER MAREL G. A. , VAN BOOM J. H.
Published: May 2016

The ribityl xylidinouracil (IIIa) is synthesized from xylidine (I) and ribose (II) according to literature data.
ChemInform Abstract: Performance and Properties of CdTe Electrodeposited from Phosphine Telluride Solution.
Authors: DARKOWSKI A. , COCIVERA M.
Published: May 2016

The electrochemical deposition of CdTe from a solution of tri‐n‐butylphosphine telluride and Cd2+ in propylene carbonate has been performed under illumination (∼ 75 mWcm‐2) in order to avoid the rapid decay of the dark current.
ChemInform Abstract: Electrochemical Characteristics of Fluorine Intercalated Graphite Fiber‐Lithium Cells.
Authors: TOUHARA H. , FUJIMOTO H. , KADONO K. , WATANABE N. , ENDO M.
Published: May 2016

Fluorine intercalated fibers have been prepared by direct reaction of fluorine with graphite fibers at various temp. in the range 345‐614 °C. The open‐circuit voltage decreases with increasing intercalation temp. and reaches a plateau of ∼ 3.3 V at ∼ 400 °C. This behavior is attributed to a change in the nature of the C‐F bonds.
ChemInform Abstract: The Effect of Polyvinyl Chloride and Fe on Film Growth and Voltage Delay in SOCl2 Electrolytes
Authors: BOYD J. W.
Published: May 2016

has been investigated by SEM, because the growth of a passivating LiCl film on the Li anode causes the initial voltage delay in the Li‐SOCl2 system.
ChemInform Abstract: Electrochemical Studies of Li(SO2)3AlCl4 Electrolytes Containing Added Halogens.
Authors: MAMMONE R. J. , BINDER M.
Published: May 2016

The cyclic voltammograms of smooth carbon electrodes and galvanostatic discharge/charge cycles of porous carbon electrodes, obtained in Li(SO2)3AlCl4 either pure or containing Cl2, Br2, or I2, shows that Br2 addition substantially improves both carbon cathode discharge and charge performance.
ChemInform Abstract: Partitioning of Reaction Paths in Ce(IV) Induced Electron Transfer in Azidopentaamminecobalt(III) Perchlorate.
Authors: SUBRAMANI K. , SRINIVASAN V. S.
Published: May 2016

Kinetics and stoichiometry of the Ce(IV)‐((NH3)5Co(III)N3)2+ reaction yielding N2 (∼ 95%), Co(II) (∼ 20%) and ((H2O)(NH3)5Co(III))3+ (∼ 80%) has been investigated.
ChemInform Abstract: Anderson‐Type Heteropolyanions of Molybdenum(VI) and Tungsten(VI).
Authors: NOMIYA K. , TAKAHASHI T. , SHIRAI T. , MIWA M.
Published: May 2016

The reinvestigation of B‐type molybdopolyanions containing divalent metal ions as a heteroatom, (AMo6O24H6)4‐, A: Zn, Cu, Co, or Mn, confirm the molybdopolyanions of Zn and Cu, whereas the polyanions of Co(II) and Mn(II) could not be reproduced.
ChemInform Abstract: Pseudosymmetry and Chiral Discrimination in Optical Resolution via Diastereoisomeric Salt Formation. The Crystal Structures of (R)‐ and (S)‐N‐Methylamphetamine Bitartrates (RMERTA and SMERTA).
Authors: FOGASSY E. , ACS M. , FAIGL F. , SIMON K. , ROHONCZY J. , ECSERY Z.
Published: May 2016

X‐ray analysis of the diastereomeric salts of (I) with (RR)‐tartaric acid (space group P21, Z=2) shows that weak CH···O interactions are most likely responsible for the preferential crystallization of (Ia) with (RR)‐tartaric acid and determine the results of optical resolution.
ChemInform Abstract: 1,3‐Dipolar Cycloaddition as Chemical Proof of Enamine Intermediates in the Ring‐Chain Isomerism of Aminoketones.
Authors: MOEHRLE H. + , DWULETZKI H.
Published: May 2016

The ω‐aminoketones (I) are reversibly converted into the iminium salts (II).
ChemInform Abstract: Palladium(0) Catalyzed Isomerization of 2,3‐Epoxyalcohols to αand β‐Hydroxyketones.
Authors: VANKAR Y. D. , CHAUDHURI N. C. , SINGH S. P.
Published: May 2016

The monoaryl‐2,3‐epoxyalcohols (Ia) and (Ib) rearrange in the presence of Pd(0) catalysts to yield exclusively the α‐hydroxyketones (IIa) and (IIb).
ChemInform Abstract: Triplet Photoisomerization of 1‐Substituted 6‐Methoxybenzonorbornadienes. Excited‐State Competition Between Bridgehead and m‐Methoxy Groups for Intramolecular Control of the Dual Channel Di‐π‐methane Pathway. The Vinyl Deuterium Isotope Effect.
Authors: PAQUETTE L. A. , VARADARAJAN A. , BURKE L. D.
Published: May 2016

The methoxybenzonorbornadienes (Ic)‐(Ih) are accessible starting from the known ester (Ia): (Ic) or (Id) are obtained via the free acid (Ib); successive reactions lead to (Ie) (from (Id)) or (If), (Ig) (from (Ic)).
ChemInform Abstract: Knoevenagel Reactions with β‐Oxo Acids. Regiospecific Enol Equivalents for Syntheses of α,β‐Unsaturated Ketones and of Some β‐Ketols.
Authors: GRAYSON D. H. , TUITE M. R. J.
Published: May 2016

The oxo acids (I) react with the appropriate aldehydes in the presence of pyridine to give the unsaturated ketones (III) including the compound (IIIc), a major constituent of the marine sponge Plakortis zygompha.
ChemInform Abstract: Hydroxamic Acids with s‐trans Structure.
Authors: GRIGAT H. , ZINNER G.
Published: May 2016

The hydroxylamines (Ia) and (Ib) react with the acyl chlorides (II) to produce the s‐trans‐hydroxamic acids (IIIa) and (IIIb) in addition to the O‐acyl derivatives (IVa) and (IVb).
ChemInform Abstract: 1,2‐Dinitrocyclohexene
Authors: BOYER J. H. , PAGORIA P. F.
Published: May 2016

The oxime (I), obtained from 2‐nitrocyclohexanone, is chlorinated and then treated with ozone to produce 1‐chloro‐1,2‐dinitrocyclohexane (II).
ChemInform Abstract: Improved High‐Yield Conversion of Dinitromesitylene to Nitromesidine.
Authors: RAMASWANI R. , PINKUS A. G.
Published: May 2016

The method of transforming dinitromesitylene (I) into the monoamino derivative (II) is improved by reacting (I) with a methanolic solution of sodium hydrosulfide, prepared in situ from sodium sulfide and sodium bicarbonate.
ChemInform Abstract: Unsaturated Oximes. Part 27. 5‐Phenyl‐2,4‐pentadienals and Their Oximes.
Authors: UNTERHALT B. , ELJABOUR S. , MILSMANN H.
Published: May 2016

The aldehyde acetals (I) react with ethoxyethylene (II) in the presence of Lewis acids, yielding the homologous acetals (III).
ChemInform Abstract: New Synthesis of α‐Bromo‐α,β‐unsaturated Esters.
Authors: ZAPATA A. , FERRER G. F.
Published: May 2016

The α‐bromo‐α‐silylcarboxylate (I) is converted to the corresponding enolate, which is then coupled with the aldehydes or ketones (II).
ChemInform Abstract: Dithranol and Active Oxygen Species. Part 2. 1O2‐Oxidation of Dithranol to Chrysazin.
Authors: MUELLER K. + , MAYER K. K. , WIEGREBE W.
Published: May 2016

Dithranol (I) is treated with bases, forming an anion (II) which can be expressed in mesomeric structures as shown in the reaction scheme.
ChemInform Abstract: Preparation and Some Reactions of Substituted Thieno(3,4‐b)furans.
Authors: BANKS M. R. , BARKER J. M. , HUDDLESTON P. R.
Published: May 2016

The thiophene derivatives (III) are prepared from the respective compounds (I) and (II); the thiophene (IV) is obtained analogously.
ChemInform Abstract: Heterocyclic Quinonoid Chromophoric Systems. Part 7. Reaction of 2,3‐Dichloro‐1,4‐naphthoquinone with Nitromethane and Vinylogously Substituted Nitromethanes, Di‐ and Trinitrotoluenes.
Authors: AYYANGAR N. R. , LUGADE A. G. , RAJADHYAKSHA M. N.
Published: May 2016

A series of title reactions in the presence of heterocyclic bases affords products of type (I)‐(III).
ChemInform Abstract: Synthesis and Mass Spectra of 2‐Amino‐ and 2‐Chloro‐5‐aryl‐1,3,4‐thiadiazoles.
Authors: ZUBETS I. V. , BOIKOV YU. A. , VIKTOROVSKII I. V. , V'YUNOV K. A.
Published: May 2016

The cyclization of the thiosemicarbazones (III) with ferric chloride leads to the formation of the 2‐aminothiadiazoles (IV) which are transformed into the 2‐chlorothiadiazoles (V) by the Sandmeyer reaction.
ChemInform Abstract: Mannich Bases from Ethacrynic Acid.
Authors: GOERLITZER K. + , HOEBBEL G. +
Published: May 2016

Ethacrynic acid (I) reacts with the amines (II) to produce the adducts (III).
ChemInform Abstract: Synthesis and Acid‐Base Transformations of 3‐Aroyl‐6‐methyl‐2‐oxopyridines.
Authors: LEPIKHIN V. A. , PETRICHENKO V. M. , KONSHIN M. E.
Published: May 2016

The 2‐methoxypyridines (I) are transformed into the 2‐pyridones (II) by treatment with hydrochloric acid.
ChemInform Abstract: Synthesis and Calcium Channel Antagonist Activity of Dialkyl 1,4‐Dihydro‐2,6‐dimethyl‐4‐(pyridinyl)‐3,5‐pyridinedicarboxylates.
Authors: DAGNINO L. , LI‐KWONG‐KEN M. C. , WOLOWYK M. W. , WYNN H. , TRIGGLE C. R. , KNAUS E. E.
Published: May 2016

The disubstituted dihydrodimethylpyridinylpyridines (IV), (V), and (VII) are prepared and their sodium channel antagonist activities are determined.
ChemInform Abstract: Reactions of Organic Anions. Part 117. Cleavage of the Dithiin Ring of Thioquinanthrene with Some Carbanions.
Authors: JONCZYK A. , PLUTA K.
Published: May 2016

Cleavage of the title compound (I) with the anions of (II), (VI) and (VIII) and subsequent treatment with MeI (V) yields the quinolines (IV), (VII) and (IX), respectively.
ChemInform Abstract: p‐Dimethoxy‐Substituted trans‐Octahydrobenzo(f)‐ and ‐(g)quinolines: Synthesis and Assessment of Dopaminergic Agonist Effects.
Authors: CANNON J. G. , AMOO V. E. D. , LONG J. P. , BHATNAGAR R. K. , FLYNN J. R.
Published: May 2016

The amines (V), (X), and (XII) are synthesized, starting with the ketone (I), the acid chloride (VI) or the acid (XI).
ChemInform Abstract: Alkylation of Quindoline and 11‐Quindoline Carboxylic Acid.
Authors: DEGUTIS YU. A. , EZYARSKAITE A. B.
Published: May 2016

Esterification of 11‐quindoline carboxylic acid (I) with the alcohols (II) yields the esters (IIIb) and (IIIc).
ChemInform Abstract: Reaction of Vinyl Ethers of the Pyridine Series with Bromine and Iodine.
Authors: KIM D. G. , SKVORTSOVA G. G.
Published: May 2016

2‐Vinyloxypyridine (I) reacts with bromine to give the addition product (II) which is cyclized, producing the dihydrooxazolopyridinium bromide (III).
ChemInform Abstract: Some Substituted Imidazo(1,2‐b)(1,2,4)triazines and 8H‐Pyrimido(1,2‐b)‐(1,2,4)triazin‐8‐ones as Potential Antineoplastic Agents.
Authors: LABOUTA I. M. , SOLIMAN F. S. G. , KASSEM M. G.
Published: May 2016

The triazines (III) are prepared by coupling the 1,2‐dicarbonyl compounds (I) with aminoguanidine bicarbonate (II).
ChemInform Abstract: Synthesis of 1,5‐Methano‐2‐benzazocines from 3‐Hydroxy‐1,3‐dimethyl‐6‐ phenyl‐4‐piperidine.
Authors: PSHENICHNYI G. V. , MASHENKOV V. A. , STANISHEVSKII L. S.
Published: May 2016

The piperidone (I) is coupled with the cyanoacetic acid ester (II) to form the lactone (III) which is oxidized to produce the epoxide (IV).
ChemInform Abstract: One‐Step Synthesis and Cation‐Dependent Redox Properties of New ′Quinonoid Macrocycles′ Bearing Ion‐Binding Polyether Moieties.
Authors: MARUYAMA K. , SOHMIYA H. , TSUKUBE H.
Published: May 2016

Depending on the amount of cerium reagent used, the oxidative intramolecular C‐C coupling of the substrates (Ia) yields the macrocyles (II) or (III).
ChemInform Abstract: Phosphorus Compounds with Unusual Coordination. Part 16. Isomerization Reactions in the System Dewar‐Phosphinine/Phosphaprismane/Phosphabenzvalene/Phosphinine.
Authors: BLATTER K. , ROESCH W. + , VOGELBACHER U.‐J. , FINK J. , REGITZ M.
Published: May 2016

When the 2‐Dewar‐phosphinine (I) is heated for a longer time, the product (III) is formed via the phosphinine (II).
ChemInform Abstract: Synthesis of N‐Lost Derivatives. Part 2. Reaction of N,N‐Bis(2‐chloroethyl)phosphoramidic Dichloride with 1‐Aminopropane‐2,3‐diol.
Authors: LORENZ P. , WIESSLER M.
Published: May 2016

The phosphoramidic dichloride (I) reacts with the amino alcohols (II), yielding the cyclic phosphamides (IIIa) ‐ (IIIc) instead of the isomeric six‐ring derivatives (IV).
ChemInform Abstract: Diphenylantimony(III) Diphenylphosphinate and Diphenylmonothiophosphinate: Synthesis, Spectra, and Crystal Structure.
Authors: BEGLEY M. J. , SOWERBY D. B. , WESOLEK D. M.
Published: May 2016

Diphenylantimony(III) acetate (I) reacts with the phosphinic or thiophosphinic acids (IIa) or the thiophosphinate (IIb), producing the diphenylantimony(III) phosphinates or thiophosphinates (III).
ChemInform Abstract: Chemistry of Phenoxathiins and Isosterically Related Heterocycles. Part 33. Novel Heterocyclic Systems. Part 21. Synthesis of 3‐Hydroxypyridine‐2(1H)‐selone and Its Application in the Synthesis of 1‐Azaphenoxaselenine and Its Substituted Derivatives.
Authors: SMITH K. , MATTHEWS I. , HULME N. M. , MARTIN G. E.
Published: May 2016

Reduction of the pyridine (I) with NaHSe, prepared in situ, yields the selone (II), which is oxidized to the diselenide (III).
ChemInform Abstract: Magnesium Phosphides ‐ Synthesis and Structure of (Mg(PHPh)2(TMEDA)).
Authors: HEY E. , ENGELHARDT L. M. , RASTON C. L. , WHITE A. H.
Published: May 2016

The product (II), which is probably formed as a polymer, is transformed to the complex (IV) in the presence of TMEDA (III).
ChemInform Abstract: Studies on the Dimerization Ability of N‐Trichlorogermyltriorgano Phosphinimines.
Authors: WOLFSBERGER W.
Published: May 2016

Desilylation of the N‐trimethylsilyl phosphineimines (I) with GeCl4 yields the N‐trichlorogermyl derivatives (II).
ChemInform Abstract: Organo‐Germanium Compounds: First Synthesis of Bioactive Trithiagermatranes Substituted with Novel Functional Groups.
Authors: KAKIMOTO N , SATO K. , MATSUI M.
Published: May 2016

The α,β‐unsaturated carboxylic acid or the acyl derivatives (I) react with trichlorogermane (II) to yield the trichlorogermyl compounds (III).
ChemInform Abstract: (CH3C6H5BiCl2) (AlCl4) and ((CH3)6C6BiCl2) (AlCl4)‐Compounds Containing η6‐Arene‐Complexed BiCl+ 2 Units.
Authors: FRANK W. , WEBER J. , FUCHS E.
Published: May 2016

The ability of AlCl3 to abstract chloride ions from BiCl3 makes it possible to synthesize the title compounds in the presence of toluene and hexamethylbenzene, resp., in 77‐85% yield.
ChemInform Abstract: Kinetics of Intermolecular Oxidative Addition of Primary, Secondary, and Tertiary CH Bonds to (OC)3Mn‐.
Authors: MCDONALD R. N. , JONES M. T.
Published: May 2016

A mixture of (CO)5Mn‐, (CO)4Mn‐ and (CO)3Mn‐ is produced by dissociative attachment of energetic electrons with Mn2(CO)10 in a fast flow of helium buffer gas.
ChemInform Abstract: ((η5‐P5)Fe(η5‐C5Me5)), a Pentaphosphaferrocene Derivative.
Authors: SCHERER O. J. , BRUECK T. +
Published: May 2016

Reaction of the Fe dimer (I) with P4 leads to the title compound (II) which is characterized by NMR (1H, 31P, 13C) and mass spectroscopy.
ChemInform Abstract: Complex with a Triple‐Decker Sandwich Structure by Reaction of Cyclopentadienylbis(ethylene)cobalt with Carbodiimides: An Unusual Cyclopentadienylcobalt Oligomer.
Authors: STELLA S. , FLORIANI C. , CHIESI‐VILLA A. , GUASTINI C.
Published: May 2016

The treatment of the Co(I) title complex (I) with carbodiimides (II) leads to reductive disproportionation of (II) giving isocyanides and the dianion of N,N',N''‐trisubstituted guanidine and to formation of the diamagnetic clusters (III) and the paramagnetic triple‐decker compounds (IV).
ChemInform Abstract: Terminal Olefin Oxidation: A Short Synthesis of Himasecolone (IV),
Authors: TRIVEDI S. V. , MAMDAPUR V. R.
Published: May 2016

a constituent of Cedrus deodora (Roxb.) Loud.
ChemInform Abstract: Asymmetric Syntheses via Heterocyclic Intermediates. Part 31. Asymmetric Synthesis of Various Non‐Proteinogenic Amino Acid Methyl Esters (Functionalized in the Carbon Chain) and Amino Acids by the Bislactim Ether Method.
Authors: SCHOELLKOPF U. + , BUSSE U. , LONSKY R. , HINRICHS R.
Published: May 2016

The bislactim ethers (II), (VI), (X) and (IVa) are converted to their lithiated derivatives (III), (VII), (XI) and (XIV).
ChemInform Abstract: A New Route to 3‐Substituted Aspartic Acid Derivatives.
Authors: BURGER K. , GOLD M. , SIMMERL R. , GIEREN A. , WEBER G. , HUEBNER T. +
Published: May 2016

The oxazol‐5‐one (IV) is obtained from glycine (I) and hexafluoroacetone (II) by subsequent treatment of (III) with SO2Cl2 or AIBN.
ChemInform Abstract: Potent Antagonists of Vasopressin Antidiuretic Activity That Lack the β,β‐Cyclopentamethylene‐β‐mercaptopropionic Acid Substitution at Position 1.
Authors: YIM N. C. F. , MOORE M. L. , HUFFMAN W. F. , BRYAN H. G. , CHANG H.‐L. , KINTER L. B. , EDWARDS R. , STASSEN F. L. , SCHMIDT D. , HECKMAN G.
Published: May 2016

The binding affinity and activating or inhibiting abilities towards adenylate cyclase of the vasopressin V2 antagonists (I) are determined.
ChemInform Abstract: First Stereoselective Synthesis of Nitrophenyl 2‐Deoxy‐β‐D‐glycosides.
Authors: BIELAWSKA H. , MICHALSKA M.
Published: May 2016

The title compounds (III) are prepared from the dithiophosphates (I) and the resin‐bound nitrophenoxides (II) with high stereoselectivity.
ChemInform Abstract: Pseudo‐Sugars. Part 13. Synthesis of (1,2,3,4,5/0)‐5‐Hydroxymethyl‐ 1,2,3,4‐cyclohexanetetrol: pseudo‐β‐D,L‐Talopyranose.
Authors: OGAWA S. , KOBAYASHI N. , NAKAMURA K. , SAITOH M. , SUAMI T.
Published: May 2016

Treatment of the bromide (I) with sodium methoxide, followed by acetylation, gives the anhydro compounds (II) ‐ (IV).
ChemInform Abstract: Some Lewis Acid‐Catalysed Reactions Between 2,2,2‐Trichloroethyl 6‐Diazopenicillanate and Ketones.
Authors: JEPHCOTE V. J. , JOHN D. I.
Published: May 2016

The reactions between the title compound (I) and acetone (II), cyclopentanone (V) and acetophenone (VIII) in the presence of BF3·Et2O according to method A) afford mixtures of the corresponding 6α‐alkyl‐6β‐acylpenicillanates (III), (VI) and (IX) and the thiazolo‐oxazinones (IV), (VII) and (X).