bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Boron Trifluoride‐Assisted Ziegler‐Zeiser Reaction of Perfluoroalkyllithiums. An Efficient Synthesis of Perfluoroalkylated Heterocycles.
Authors: UNO H. , OKADA S. , SHIRAISHI Y. , SHIMOKAWA K. , SUZUKI H.
Published: May 2016

The perfluoroalkyllithium compounds, generated in situ from the iodides (I), react with the quinolines (II) to give the 1,2‐dihydroquinolines (III).
ChemInform Abstract: Formation of Fused Tricyclic Azetidinones and Pyrrolidinones by Intramolecular SH2 Processes.
Authors: BECKWITH A. L. J. , BOATE D. R.
Published: May 2016

The β‐methylthiodimethylpropanoyl chloride (I) is first subjected to selective NCS chlorination and then coupled with the amines (III), yielding the amides (IV) which are transformed into the azetidinones (V) by base‐induced ring closure.
ChemInform Abstract: The Preparation of (1‐(Arylimino)alkyl)zinc by the α‐Addition of Organozinc to Isocyanide.
Authors: MURAKAMI M. , ITO H. , ITO Y.
Published: May 2016

The diorganozinc compounds (I) are coupled with the isocyanate (II), forming the aldimines (III) after hydrolysis.
ChemInform Abstract: Mercury in Organic Chemistry. Part 36. Synthesis of (π‐Allyl)palladium Compounds and 1,4‐Dienes via Vinylpalladation of Monocyclic Alkenes.
Authors: LAROCK R. C. , TAKAGI K.
Published: May 2016

Reaction of the vinylmercuric chloride (I) with cyclic alkenes such as (II) and Li2PdCl4 (III) yields the (π‐allyl)palladium complex (IV).
ChemInform Abstract: Conversion of 48e Os3(CO)10(R‐DAB(4e)) via 50e Os3(CO)10(R‐DAB(6e)) to 50e Os3(CO)9(R‐DAB(8e)) (R‐DAB: RN=C(H)C(H)=NR). Part 2. X‐Ray Structure of Os3(CO)9(iPr‐DAB(8e)), with Two Elongated Os‐Os Bonds.
Authors: ZOET R. , VAN KOTEN G. , STUFKENS D. J. , VRIEZE K. , STAM C. H.
Published: May 2016

The 48e cluster (I) with a chelating 4e‐donating diazabutadiene ligand is converted in refluxing hexane into the 50e cluster (IIa) with a bridging 6e‐donating ligand.
ChemInform Abstract: Biotransformations of Diterpenes: Conversion of ent‐13‐epi‐Manoyl Oxides by Rhizopus nigricans Cultures.
Authors: ARIAS J. M. , GARCIA‐GRANADOS A. , JIMENEZ M. B. , MARTINEZ A. , RIVAS F. , ONORATO M. E.
Published: May 2016

Incubation of the manoyl oxide (Ia) or the normanoyl oxide (Ib) with Rhizopus nigricans cultures leads mainly to the products (II) resulting from hydroxylation at C‐20. Additionally, a variety of other hydroxylation and deacetylation products are isolated, among them (III) and (IV).
ChemInform Abstract: Preparation of “Unnatural” Tellurium Analogues of Naturally Occurring Chromones and Flavones. The Control of Ipso vs Ortho Acylation, Selective Demethylation, and Olefin‐Forming Condensation Reactions in Benzo(b)tellurapyranones.
Authors: DETTY M. R.
Published: May 2016

Intramolecular acylation approaches to the title tellurium compounds are complicated by ipso acylation of the tellurium‐bearing ring as shown by the reaction of the acid chloride (I).
ChemInform Abstract: DNA Cleavage by a Synthetic Mimic of the Calicheamicin‐Esperamicin Class of Antibiotics.
Authors: NICOLAOU K. C. , OGAWA Y. , ZUCCARELLO G. , KATAOKA H.
Published: May 2016

Starting from the diol (I) the preparation of the cyclodecaenediyne diol (IX) is described.
ChemInform Abstract: Enantioselective Synthesis of the 1β‐Methylcarbapenems via Cycloaddition of 3‐Siloxypentadiene and 4‐Acetoxyazetidinone.
Authors: SOWIN T. J. , MEYERS A. I.
Published: May 2016

Cycloaddition reaction of the butadiene (II) with the lactam (I) results in the formation of the adducts (III) and (IV).
ChemInform Abstract: Ring Currents in Wholly Inorganic Heteropoly Blue Complexes. Evaluation by a Modification of Evans′s Susceptibility Method.
Authors: KOZIK M. , CASAN‐PASTOR N. , HAMMER C. F. , BAKER L. C. W.
Published: May 2016

For seven diamagnetic heteropoly complexes, α‐isomers of (I), (IIa), and (III), α1‐ and α2‐isomer of (IIb), the difference between the diamagnetic susceptibility of each and that of its 2e‐ reduction product is measured by the Evans NMR susceptibility method.
ChemInform Abstract: Preparation and Properties of Double Dihydrophosphates of Magnesium and Zinc.
Authors: PONOMAREVA I. G. , SHCHEGROV L. N. , ANTRAPTSEVA N. M.
Published: May 2016

The reaction between mixtures of the hydroxocarbonates of Mg and Zn and monophosphoric acid affords the novel title compounds Mg1‐xZnx(H2PO4)2·2 H2O (0 < x < 1).
ChemInform Abstract: Acidity and Dimerization of Three Water‐Soluble Iron(III) Porphyrin Cations: (meso‐α,β,α,β‐Tetrakis(o‐(N‐methylnicotinamido)phenyl)por# phyrinato)iron(III), (meso‐α,α,α,α‐Tetrakis(o‐(N‐methylnicotinamido)phenyl)p# orphyrinato)iron(III), and (meso‐Tetrakis(1‐methylpyridinium‐4‐yl)porphyrinato)iron(III).
Authors: MISKELLY G. M. , WEBLEY W. S. , CLARK C. R. , BUCKINGHAM D. A.
Published: May 2016

Acidity data for the monomeric diaquo title porphyrins having both sides of the macrocyclic plane restricted toward further coordination (substituents in α‐ and β‐position) or one face restricted (substituents only in α‐position) or having both faces open toward coordination by a fifth and sixth ligand are determined by spectrophotometric titration.
ChemInform Abstract: Equilibria and Dissociation Kinetics of Lanthanoid Complexes of Diaza Crown Ether Carboxylic Acids
Authors: CHANG C. A. , CHANG P. H.‐L. , MANCHANDA V. K. , KASPRZYK S. P.
Published: May 2016

(stability constant of the lanthanoid complexes of (I) and transition‐metal (M) analogues (e.g.
ChemInform Abstract: Reagent‐Controlled Addition of (R)‐ and (S)‐2‐Hydroxy‐1,2,2‐triphenylethyl Acetate to Chiral Aldehydes.
Authors: MAHLER U. , DEVANT R. M. , BRAUN M.
Published: May 2016

The corresponding enantiomeric enolates generated by double deprotonation of the title compounds (I) and (VI) are added to chiral aldehydes such as (III).
ChemInform Abstract: Thermolysis of Nitromethane in Pressurized Supercritical Media.
Authors: BROWER K. R.
Published: May 2016

Thermolysis of nitromethane (I) is performed under various conditions at temperatures which produce supercritical vapor.
ChemInform Abstract: An Efficient, Palladium‐Catalyzed Route to Protected Allylic Amines.
Authors: CONNELL R. D. , REIN T. , AKERMARK B. , HELQUIST P.
Published: May 2016

Allylic acetates such as (I) are treated with the sodium or lithium salt of di‐tert‐butyl iminodicarbonate (II) in the presence of a Pd catalyst, yielding di(tert‐butoxycarbonyl) protected allylic amines such as (III).
ChemInform Abstract: Cycloadditions. Part 13. Reactions of Ynamines with 1,1‐Bis(phenylsulfonyl)olefins.
Authors: HIMBERT G. , KOSACK S.
Published: May 2016

The title ynamines (I) react with the alkene (II) via (2 + 2) cycloaddition followed by ring opening to give the dienes (III).
ChemInform Abstract: N‐(1,3‐Thiazol‐5(4H)‐ylidene)amines via 1,3‐Dipolar Cycloaddition of Azides and 1,3‐Thiazole‐5(4H)‐thiones.
Authors: PEKCAN S. , HEIMGARTNER H.
Published: May 2016

Organic azides (II) react with the thiazolethiones (I) in toluene at 90 °C to give the thiazolimines (III).
ChemInform Abstract: Synthesis of Substituted Pyridines Using α,β‐Unsaturated Nitriles and Active Cyano Compounds.
Authors: FUENTES L. , VAQUERO J. J. , ARDID M. I. , LORENTE A. , SOTO J. L.
Published: May 2016

Cyclocondensation of the benzenesulfonylacetonitrile (I) with the cinnamonitriles (II) in the presence of sodium methoxide (III) yields the 3,4‐dihydropyridines (IV) which are dehydrogenated upon treatment with potassium permanganate, forming the pyridines (V).
ChemInform Abstract: Derivatives of the Benzo(5,6)cyclohepta(1,2,3‐cd)thieno(3,2‐c)pyridine System. X‐Ray Crystal Structure of 8,9‐Dimethoxy‐1,2,3,6,11,11a‐hexahydrobenzo(5,6)cyclohepta(1,2,3‐cd)thieno(3,2‐c)pyridine‐1‐carbonitrile
Authors: BREMNER J. B. , BROWNE E. J. , ENGELHARDT L. M. , HYLAND B. A. , JAMES G. S. , WHITE A. H.
Published: May 2016

(IIIb).
ChemInform Abstract: Synthesis and Some Reactions of 2‐(α‐Benzoylaminostyryl)‐3,1(4H)‐benzoxazin‐4‐one and 3‐Amino‐2‐(α‐benzoylaminostyryl)quinazolin‐4(3H)‐one.
Authors: EL‐NAGDY S. , EL‐KHAMRY A. A. , SHAABAN M. A. , HABASHY M. M.
Published: May 2016

The benzoxazinone (I) reacts with sodium azide (II) to yield a mixture of the benzimidazolinone (III) and the tetrazole (IV).
ChemInform Abstract: Metal π Complexes of Heteroarenes, Part 2. η6‐Coordination of Unsubstituted Pyridine: (η6‐Benzene)(η6‐pyridine)chromium and Bis(η6‐pyridine)chromium.
Authors: ELSCHENBROICH C. , KOCH J. , KROKER J. , WUENSCH M. + , MASSA W. , BAUM G. , STORK G.
Published: May 2016

The first bis(arene) complex, (IV), of unsubstituted Py is prepared by a three‐component cocondensation.
ChemInform Abstract: Synthesis and Characterization of (η3‐CPh3)Re(CO)4, a Thermal Precursor for Generation of the Re(CO)5 Radical.
Authors: CROCKER L. S. , MATTSON B. M. , HEINEKEY D. M. , SCHULTE G. K.
Published: May 2016

The reaction of Na(Re(CO)5) in situ with (Ph3C)BF4 (II) affords the title complex (III).
ChemInform Abstract: Nickel(II) and Nickel(III) Bis(dipeptido) Complexes of α‐Aminoisobutyric Acid.
Authors: ANLIKER S. L. , BEACH M. W. , LEE H. D. , MARGERUM D. W.
Published: May 2016

Ni(II) forms the high‐spin complex (I) which changes at pH 9‐11 to a low‐spin form (II).
ChemInform Abstract: Preparation of a Deuterated Analogue of Tetrahydropapaveroline Suitable for Use as an Internal Standard for GC/MS Analysis of This Alkaloid: Retro Pictet‐Spengler Condensation.
Authors: CLEZY P. S. , DUNCAN M. W. , SMYTHE G. A.
Published: May 2016

Some experiments are described with regard to an attempted preparation of deuterated analogues of salsolinol (I) and tetrahydropapaveroline (VII).
ChemInform Abstract: High Temperature Chemistry of the Gaseous Ruthenium Fluorides
Authors: HILDENBRAND D. L. , LAU K. H.
Published: May 2016

is studied in order to get information about the possible vapor phase transport of fission product ruthenium in a fluorination step for the reprocessing of nuclear fuels.
ChemInform Abstract: Reactions of Titanium Tetrachloride with Bistrimethylsilyl Sulfide. Crystal Structures of (NEt4)2(TiSCl4), (PPh4)2(TiSCl4)·2 CH2Cl2, (PPh4)2(Ti3O(S2)3Cl6)·CH3CN and Ti4O(S2)4Cl6.
Authors: KRUG V. , KOELLNER G. , MUELLER U. +
Published: May 2016

The title compounds (V) contain the square‐pyramidal (TiSCl4)2‐ ion.
ChemInform Abstract: Formation of Cyclohexadienyl‐Type Radicals in the Photoreduction of Xanthone as Studied by a Laser Photolysis‐ESR Technique.
Authors: SAKAGUCHI Y. , HAYASHI H. , MURAI H. , I'HAYA Y. J.
Published: May 2016

In the photoreaction with isopropanol, the normal ketyl radical (II) is found.
ChemInform Abstract: Stereoselective Synthesis of α‐Methylene‐β‐hydroxy‐γ‐alkoxy Esters and Ketones.
Authors: DREWES S. E. , MANICKUM T. , ROOS G. H. P.
Published: May 2016

The α‐alkoxy aldehydes (I) are coupled with the α,β‐unsaturated esters or ketones (II) in the presence of azabicycles as catalysts, producing the adducts (III) with predominance of the anti‐isomers.
ChemInform Abstract: Intramolecular Diels‐Alder Reaction with Inverse Electron Demand in 2‐(2,3‐Diphenylcyclopropen‐1‐yl)‐β‐tropolone. Construction of a Bridged Semibullvalene‐Type Carbon Skeleton.
Authors: TAKAHASHI K. , NAMEKATA N. , FUKAZAWA Y. , TAKASE K. , MIKAMI E.
Published: May 2016

The tropolone (I) reacts with diphenylcyclopropenium tetrafluoroborate (II) to give an equilibrium between the dione (III) and its tautomer (IV).
ChemInform Abstract: An Annulation Method Leading to Fused Bicyclic Systems Containing an Allylic, Angular Hydroxyl Group.
Authors: PIERS E. , MARAIS P. C.
Published: May 2016

The cyclohexane‐1,4‐dione monoacetal (I) is converted to the iodoalkenyl derivatives (II) which undergo base‐induced ring closure, yielding the cis‐ (III) and trans‐fused hydroxybicycles (IV).
ChemInform Abstract: 4‐Iodo‐1,3,5,7‐tetramethyl‐1,3,5,7‐tetraaza‐4λ5‐phosphaspiro(3.3)heptane# ‐2,6‐dione; Synthesis and Crystal Structure of the First Iodophosphorane.
Authors: BREKER J. , JONES P. G. , STALKE D. , SCHMUTZLER R.
Published: May 2016

The title compound (III) is prepared (see scheme).
ChemInform Abstract: Acetals with a Phosphoryl Substituent in the Alcoholic Fragment.
Authors: GAZIZOV M. B. , KHAIRULLIN R. A.
Published: May 2016

The vinylic ethers (I) or (IV) are coupled with the α‐hydroxyalkylphosphonates(phosphinates) (II) to give the acetals (III) or (V).
ChemInform Abstract: Reactive π‐Complexes of Electron‐Rich Transition‐Metals. Part 7. Tetrakis(bis(trimethylsilyl)ethyne)diiron.
Authors: SCHAEUFELE H. + , PRITZKOW H. , ZENNECK U.
Published: May 2016

The first structurally characterized ( P21/n, Z=2) homoleptical metal alkyne cluster, the title compound (III), is formed from the silylated ethyne (II) and (I) or η6‐toluene‐(η4‐1‐methylnaphthalene)iron (both available by cocondensation) on standing several days.
ChemInform Abstract: Pentamethylcyclopentadienyl Rhodium Complexes of Dihydro‐s‐indacenophanes: Transannular Interactions.
Authors: BICKERT P. , HAFNER K.
Published: May 2016

On treatment of the η6‐complex (I) with alumina BIII deprotonation and subsequent migration of the C5Me5Rh group from the six‐membered to one of the five‐membered rings occurs.
ChemInform Abstract: Heterocycles from Carbohydrate Precursors. Isomerism and Reactions of Some Arylhydrazones of Dehydro‐L‐ascorbic Acid and Its D‐erythro and D‐arabino Analogues.
Authors: EL KILANY Y. , MOUSAAD A. , ABDEL HAMID H. , EL ASHRY E. S. H.
Published: May 2016

Regioselective hydrazonization of dehydro‐L‐ascorbic acid (IV), formed by oxidation of L‐ascorbic acid (I), with acetone arylhydrazones such as (II) yields corresponding 2‐arylhydrazones such as (III), whereas the direct reaction of (IV) with two equivalents of arylhydrazines, e.g. (V), gives the respective 2,3‐bis(arylhydrazones) existing as two geometric isomers, e.g. red‐colored (VI) and orange‐colored (VII), which can be isolated in some cases.
ChemInform Abstract: Antiinflammatory 2,3‐Dihydro‐1H‐pyrrolizines. Part 14. Isomeric Diaryldihydropyrrolizinyl Formic and Propionic Acids.
Authors: DANNHARDT G. , LEHR M.
Published: May 2016

The pyrrolizine derivative (I) is lithiated and then carboxylated, yielding the pyrrolizinylcarboxylic acid (III).
ChemInform Abstract: Reactions of 2‐(Tributylstannyl)‐4,4‐dimethyl‐2‐oxazoline with Organic Halides. Unusual Product from Aroyl Halide.
Authors: KOSUGI M. , FUKIAGE A. , TAKAYANAGI M. , SANO H. , MIGITA T. , SATOH M.
Published: May 2016

2‐Tributylstannyl‐4,4‐dimethyloxazoline (I) reacts with the halides (II) in the presence of a palladium catalyst to give the substitution products (III).
ChemInform Abstract: A Facile Synthesis of 3‐Amino‐5‐Substituted‐aminoisothiazole‐4‐carboxylic Acid Derivatives.
Authors: SHISHOO C. J. , DEVANI M. B. , ANANTHAN S. , BHADTI V. S. , ULLAS G. V.
Published: May 2016

The diaminoisothiazole‐4‐carboxylic acid derivatives (VI) are synthesized as outlined in the reaction scheme.
ChemInform Abstract: Studies on Polythiaaromatic Compounds. Part 1. Synthesis and Electrochemical Properties of 2,3,6,7‐Tetrahydro‐1,4,5,8‐tetrathiaanthracene (HTA) and Its Derivatives.
Authors: NABESHIMA T. , IWATA S. , FURUKAWA N. , MORIHASHI K. , KIKUCHI O.
Published: May 2016

The 1,2,4,5‐tetrahalobenzenes (I) react with isopropyl mercaptan (II) to form the tetrathioethers (III) which are reduced and then coupled with 1,2‐dibromoethane (IV) to give the octahydrotetrathiaanthracenes (V).
ChemInform Abstract: Synthesis of an Unreactive Ylid Designed as A‐C‐P‐C‐P Diphosphate Isostere Synthon.
Authors: MCCLARD R. W. , JACKSON S. A.
Published: May 2016

Coupling of the bis(iodomethyl)phosphinate (I) with diphenyl methyl phosphite (II) yields the iodide (III) which is combined with triphenylphosphine (IV), forming the phosphonium salt (V).
ChemInform Abstract: Synthesis, Electrochemistry, and Spectroscopic Properties of Six‐Coordinate Monooxomolybdenum(VI) Complexes Containing Tridentate Schiff Base and Bidentate Catecholate Ligands. Crystal and Molecular Structure of (N‐Salicylidene‐2‐aminophenolato)(naphthalene‐2,3‐diolato)oxomolybdenum(VI).
Authors: MONDAL J. U. , SCHULTZ F. A. , BRENNAN T. D. , SCHEIDT W. R.
Published: May 2016

The complexes (III) and (IV) are the first examples of a mononuclear MoO4+ center with a coordination number of six.
ChemInform Abstract: Nickel‐Thiolate Chemistry Based on Chelating Ligands: Controlling the Course of Self‐Assembly Reactions via Ligand Bite Distances. Synthesis, Structures, and Properties of the Homoleptic Complexes (Ni3(SCH2C6H4CH2S)4)2‐, (Ni3(SCH2CH2S)4)2‐, and (Ni6(SCH2CH2CH2S)7)2‐.
Authors: TREMEL W. , KRIEGE M. , KREBS B. , HENKEL G.
Published: May 2016

The reaction systems of NiCl2 and appropriate dithiolates in MeOH or acetone afford the title complexes (I) to (III).
ChemInform Abstract: Sulfur Dioxide as Ligand and Synton. Part 7. Phosphane Sulfur Dioxide Nickel(0) and Palladium(0) Complexes.
Authors: HOFFMANN TH. , HOFFMANN H. , KARABIT M. , ZDUNNECK P. , WENSCHUH E. , REINHOLD J. , SCHUELER M. +
Published: May 2016

The reactions of Ni(cod)2 or in some cases of Ni(PPh3)2(CH2=CH2) with tert. phosphanes and SO2 result in formation of phosphane sulfur dioxide complexes of the type (I), (II), and (III) depending on the phosphane substituents and the reaction conditions (molar ratio, temp., solvent, SO2 concentration).
ChemInform Abstract: Orientation and Conformation of NAD and NADH Adsorbed on Colloidal Silver.
Authors: SIIMAN O. , RIVELLINI R. , PATEL R.
Published: May 2016

Surface‐enhanced Raman scattering (SERS) from NAD and NADH on colloidal silver is observed after the silver particles are induced to aggregate to varying degrees.
ChemInform Abstract: Drug Tablets Glycyrrhizin and Trapizil as ESR Radiation Dosimeter.
Authors: IKEYA M. , KAI A.
Published: May 2016

γ‐Irradiation of commercial drug tablets, Trapidil and Glycyrrhizin for heart and liver treatments gives sharp ESR signals, whose intensity is the strongest at the boundary with the coating material.
ChemInform Abstract: Thermal and Moessbauer Studies of Iron‐Containing Hydrous Silicates. Part 7. Glauconite.
Authors: MACKENZIE K. J. D. , CARDILE C. M. , BROWN I. W. M.
Published: May 2016

Results of thermal analysis, XRD, and Moessbauer spectroscopic studies for four purified glauconites indicate the unheated minerals to have monoclinic layer‐lattice structures with the cis‐ and trans‐octahedral sites being occupied.
ChemInform Abstract: Crystal Structure of Holmium Tetramolybdate, Ho2Mo4O15.
Authors: EFREMOV V. A. , DAVYDOVA N. N. , GOKHMAN L. Z. , EVDOKIMOV A. A. , TRUNOV V. K.
Published: May 2016

The title compound is prepared by solid phase reaction of a stoichiometric mixture of Ho2O3 and MoO3, which is heated to 400‐650 °C for two weeks.
ChemInform Abstract: Sintering of Monosized, Spherical Yttria Powders.
Authors: SORDELET D. J. , AKINC M.
Published: May 2016

Monosized, spherical Y2O3 is obtained from commercial Y2O3 of broad size distribution by homogeneous precipitation in aqueous solution via urea decomposition.
ChemInform Abstract: Metal Chloride Equilibria. Part 2. Lead(II) Chloride Complexes.
Authors: FERRI D. , SALVATORE F.
Published: May 2016

Results of investigations of the complex formation equilibria between Pb(II) and Cl‐ ions at 25 °C in 5 m NaClO4 medium using potentiometric methods based on a cell without junction can be explained assuming the reactions shown in the scheme.
ChemInform Abstract: The Influence of Heat Treatment on the Electrochemical Behavior of Nickel
Authors: COMNINELLIS CH. , GROZA I. A.
Published: May 2016

is studied in the temp. range 500‐900 °C using TGA and cyclic voltammetric measurements.
ChemInform Abstract: Corrosion of Silicon Nitride Ceramics in Aqueous Hydrogen Chloride Solutions.
Authors: SATO T. , TOKUNAGA Y. , ENDO T. , SHIMADA M. , KOMEYA K. , KOMATSU M. , KAMEDA T.
Published: May 2016

The effect of processing additives such as Y2O3, Al2O3, and AlN on the corrosion behavior of Si3N4 ceramics in 0.1‐10 M HCl solutions is studied at 50‐100 °C. Si3N4 ceramics without additives are more resistant to corrosion attack than ceramics containing additives, which show significant degradation of the fracture strength.
ChemInform Abstract: Reaction of Potassium Hydrogendifluoride with Hydrogen Peroxide.
Authors: TITOVA K. V. , GELYUK I. P. , ROSOLOVSKII V. YA.
Published: May 2016

The peroxosolvate KHF2·H2O2 is prepared for the first time by the reaction between KHF2 and 30% H2O2.
ChemInform Abstract: Preparation and Solid‐State and Solution Studies of Three Compounds of the Tetraiodine Dication I2+ 4: I2+ 4(AsF‐ 6)2, I2+ 4(SbF‐ 6)2, and I2+ 4(Sb3F‐ 14)(SbF‐ 6).
Authors: FAGGIANI R. , GILLESPIE R. J. , KAPOOR R. , LOCK C. J. L. , VEKRIS J. E.
Published: May 2016

The title compounds (III), (VI), and (VIII) are prepared as shown in the scheme.
ChemInform Abstract: The Chemical Stability of YBa2Cu3O7‐x to Various Atmospheres
Authors: SHINOZAKI K. , KUROSAWA T. , NANJYO A. , MIZUTANI N. , KATO M.
Published: May 2016

(O2, CO2, N2 + H2O, O2 + H2O, and CO2 + H2O at 20 °C and H2O + air at 40 °C) is examined by measuring the evolution and/or absorption of gases.
ChemInform Abstract: Electroreduction Mechanism of Aromatic Dicarboxylic Acids. Electrosynthesis of 1,4‐Benzenedimethanol.
Authors: OI R. , SAN‐NOHE K. , TAKENAKA S.
Published: May 2016

The electroreduction mechanism of terephthalic acid and isophthalic acid in acidic solution is studied by MO calculations.
ChemInform Abstract: Intramolecular Nucleophilic Addition of 2,3‐Dihydrodipyrrin‐1(10H)‐ones.
Authors: GRUBMAYR K. , WAGNER U. G.
Published: May 2016

Contrary to the MeOH adduct (see foregoing ref.), the intramolecular addition product (IV) is stable even in acidic CHCl3 solution.
ChemInform Abstract: Adiabatic and Charge‐Transfer Pathways in the Photocleavage of Dimers and Cycloadducts of Some Aromatic Molecules.
Authors: ALBINI A. , FASANI E.
Published: May 2016

Steady‐state parameters are measured for both photocycloaddition and photocycloreversion reactions given in the scheme.
ChemInform Abstract: Free Radical Reactions of Bicyclo(2.1.1)hexane (I) and Bicyclo(2.2.1)heptane (VIII).
Authors: WALTON J. C.
Published: May 2016

tBuO· radicals abstract hydrogen from C(2) of (I) to give radicals (II) which are independently generated from (IVa) by Me3Sn· radicals (from (Me3Sn)2/(tBuO)2 in Ph‐tBu).
ChemInform Abstract: The Selective Hydrogenation of Benzene to Cyclohexene on Pentaammineosmium(II).
Authors: HARMAN W. D. , TAUBE H.
Published: May 2016

Under 1 atm of H2 at 30 °C, Pd‐C is ineffective as a catalyst for the hydrogenation of benzene.
ChemInform Abstract: Regiospecific Catalytic Alkenylation of Aromatic Substrates with Coordinated Dienes: Reactions on Naphthalene Derivatives. Preliminary Results on Heteroaromatic Substrates.
Authors: DE RENZI A. , LOMBARDI A. , PANUNZI A. , SAPORITO A.
Published: May 2016

Some stoichiometric and catalytic reactions of dimethylallene (L) with different substrates are studied.
ChemInform Abstract: Lithium N‐Lithiomethyl Dithiocarbamates: New N‐Alkylaminomethyl Anion Equivalents.
Authors: AHLBRECHT H. , KORNETZKY D.
Published: May 2016

Butylmethylamine (I) is converted to the N‐alkylbutylamines (VIII) via reaction of lithium N‐lithiomethyl dithiocarbamate (VI) with one equivalent of the electrophiles (VII).
ChemInform Abstract: Synthesis of N‐Substituted α‐Amino Acids by Electrocarboxylation of Imines with Sacrificial Metallic Anodes.
Authors: SILVESTRI G. , GAMBINO S. , FILARDO G.
Published: May 2016

The electrocarboxylation of imines (I) with metallic (Al, Zn) sacrificial anodes in diaphragmless cells using conductive solid materials (compact graphite, Ni, Pt, Cu, Pb, Zn) as cathodes to give the amino acids (III) is described.
ChemInform Abstract: Reinvestigation of a Novel N‐N Bond Formation Between Activated Hydroxamic Acids and Primary Amines.
Authors: HARTMANN W.
Published: May 2016

Reaction of the hydroxamic acids (I) with the primary amines (II) using p‐toluenesulfonyl chloride or 2‐chloro‐1‐methylpyridinium iodide (IV) as the activating agent does not yield 1‐acyl‐2‐alkylhydrazines, but the ureas (III) due to Lossen rearrangement.
ChemInform Abstract: Synthesis, Stability, and Reactions of 2,6‐Dichlorophenyllithium.
Authors: KRESS T. H. , LEANNA M. R.
Published: May 2016

Metalation of 1,3‐dichlorobenzene (I) with butyllithium (II) gives selectively the 2,6‐dichlorophenyllithium (III) which reacts with the electrophiles (IV) to form the 2,6‐dichloro substituted benzenes (V).
ChemInform Abstract: Diastereoselective Conjugate Addition with Acetals, Oxazolidines, and Imidazolidines as Chiral Auxiliaries.
Authors: ALEXAKIS A. , SEDRANI R. , MANGENEY P. , NORMANT J. F.
Published: May 2016

The chiral o‐formylcinnamate derivative (I) is alkylated with the cuprates (II) to produce the optically active substituted propionates (III).
ChemInform Abstract: Aromatic Retinoids. Part 2. A Short and Convenient Route to 5‐(5,6,7,8‐Tetrahydro‐5,5,8,8‐tetramethyl‐2‐anthracenyl)‐2‐furan and ‐2‐thiophene Carboxylic Acids.
Authors: EUSTACHE J. , BERNARDON J.‐M. , SHROOT B.
Published: May 2016

Wittig olefination of the aldehyde (I) with the phosphorane (II) gives the isomeric olefins (III) and (IV).
ChemInform Abstract: Synthesis and Pharmacological Investigation of Novel Substituted Guanidines and 2‐Amino‐2‐imidazolines.
Authors: GLUSHKOV R. G. , NIKOLAEVA L. A. , DRONOVA L. N. , KOZLOVA O. V. , MEDVEDEV B. A. , MASHKOVSKII M. D.
Published: May 2016

The chloroformamidinium salts (III), prepared from the ammonium salts (I) and Viehe's salt (II), react with ethylenediamine (IV) or ammonia (VIII) to give the imidazolines (V) and (VII), the bisguanidines (VI), or the guanidines (IX).
ChemInform Abstract: Some Novel Reactions of 2‐Amino‐4‐methyloxazole with Aldehydes: Aryl and Alkyl Hydroxymethylation at C‐5.
Authors: KHAN H. R. , CRANK G. , JESDAPAULPAAN S.
Published: May 2016

2‐Amino‐4‐methyloxazole (I) reacts with the aldehydes (II) to give the alcohols (III) instead of the expected imines.
ChemInform Abstract: New Synthesis of Cyproheptadine and Related Compounds Using Low Valent Titanium.
Authors: CID M. M. , SEIJAS J. A. , VILLAVERDE M. C. , CASTEDO L.
Published: May 2016

Low valent Ti‐mediated reductive coupling of the respective components (I) and (II) yields the compounds (III); the reduction of (IIIa) provides biphenylmethylenepiperidine (IV).
ChemInform Abstract: Synthesis and Antiblastic Activity of Some N‐Acyl‐N′,N′‐bis(chloroethyl)‐N′′‐(1‐oxy‐2,2,6,6‐tetramethyl‐4‐piperidyl)phosphoric Triamides.
Authors: PROTSENKO L. D. , AVRUTSKAYA I. A. , DNEPROVA T. N. , KODINTSEVA E. YU. , ANDRIANOVA S. M. , SOLOGUB P. YA.
Published: May 2016

The amidophosphoric dichlorides (I) are consecutively coupled with the amines (II) and (III), yielding the phosphoric triamides (IV).
ChemInform Abstract: Preparation of Protected β‐Keto Aldehydes from β‐Keto Esters via Selective Reduction of Acyl(alkoxycarbonyl)ketene Dithioacetals.
Authors: CHOI E. B. , YOUN I. K. , PAK C. S.
Published: May 2016

The β‐keto esters (I) are converted to the ketene dithioacetals (IV) which are selectively reduced with magnesium, yielding the saturated acetals (V).
ChemInform Abstract: The Reaction of Cyclohexa‐3,5‐diene‐1,2‐dicarboxylic Acid Derivatives with para‐Benzoquinone and Azo Compounds. Part 1.
Authors: IORDACHE F. , DANILA M. , SCHIKETANZ A. , GHEORGHIU M. , BADEA F.
Published: May 2016

Diels‐Alder reaction of the trans‐cyclohexadienedicarboxylate (I) with p‐benzoquinone (II) gives the endo/endo adduct (III) which is converted to the cage compound (IV) by photolysis.
ChemInform Abstract: Synthesis and Pharmacological Study of 5‐Aryl‐6‐methyl‐4,5‐dihydropyridazin‐3(2H)‐ones and Related 5‐Aryl‐6‐methylpyridazin‐3(2H)‐ones.
Authors: PINNA G. A. , CURZU M. M. , BARLOCCO D. , CIGNARELLA G. , CAVALLETTI E. , GERMINI M. , BERGER K.
Published: May 2016

Cyclocondensation of the dicarboxylic acid (I) with hydrazine hydrate (II) yields the dihydropyridazinone (III) which is converted into the pyridazinone (IV) by bromination/dehydrobromination.
ChemInform Abstract: New Thiazolo(5,4‐d)pyrimidines with Molluscicidal Properties.
Authors: EL‐BAYOUKI K. A. M. , BASYOUNI W. M.
Published: May 2016

The molluscicidal activity of the title compounds (III), (V) and (VII) is investigated.
ChemInform Abstract: Reactions of Uracils. Part 13. 6‐((Dimethylamino)methylene)amino‐1,3‐dimethyluracil: A Versatile Aza‐Diene Substrate for Cycloaddition and Michael‐Type Reactions.
Authors: WALSH E. B. , ZHU N. , GUO F. , WAMHOFF H.
Published: May 2016

The uracil (I) mentioned in the title reacts with the olefins (II) to give the (4 + 2)cycloadducts (III) which are dehydrogenated in boiling nitrobenzene, forming the pyridopyrimidines (IV).
ChemInform Abstract: Reactions of Nitrosyl Hexafluorophosphate with Some Olefinic Compounds in Acetonitrile: One Step Synthesis of 5,6‐Dihydro‐4H‐1,2‐oxazines.
Authors: LEE G. H. , LEE J. M. , JEONG W. B. , KIM K.
Published: May 2016

The alkylidene(thio)xanthenes (I) react with nitrosyl hexafluorophosphate (II) to yield the dihydro‐1,2‐oxazines (III).
ChemInform Abstract: 2,3‐Dihydro‐1H‐1,4‐benzodiazepines from 2‐Halobenzaldehydes and 1,2‐Ethanediamine: A New, Simple Synthesis.
Authors: BETAKIS E. , PIESCH S. , RIED W.
Published: May 2016

The dihydrobenzodiazepines (III) are obtained from the 2‐chlorobenzaldehydes (I) and 1,2‐ethanediamine (II) in the presence of stoichiometrical amounts of copper powder.
ChemInform Abstract: Monomeric Metaphosphate Formation During Radical‐Based Dephosphorylation.
Authors: AVILA L. Z. , FROST J. W.
Published: May 2016

The known N‐hydroxypyridine‐2‐thione adduct fragmentation chemistry is translated to organophosphonates of type (I)/(V); the benzene solution is reacted with tBu‐SH, Bu3SnH, or CCl4 at reflux with AIBN initiation.
ChemInform Abstract: Planar Tetracoordinate Carbon Atoms Hidden in the Tetrameric Aggregate of (2,6‐Dimethoxyphenyl)lithium.
Authors: HARDER S. , BOERSMA J. , BRANDSMA L. , VAN HETEREN A. , KANTERS J. A. , BAUER W. , VON RAGUE SCHLEYER P.
Published: May 2016

In the solid state as well as in apolar solvents the title lithium compound is a tetramer.
ChemInform Abstract: Organic Chemistry of Dinitrogen and Related Ligands. Part 7. N‐Vinylation or Oxidative Replacement of the Hydrazido(2‐) Ligand in Reactions of (WX(dppe)2(NNH2))Y (dppe: Ph2PCH2CH2PPh2, X: F or Br, Y: BF4 or Br) with Cyanoalkenes. X‐Ray Crystal Structure of (WBr(dppe)2(NC(Br)C(CN)C(CN)2)).
Authors: COLQUHOUN H. M. , CREASE A. E. , TAYLOR S. A. , WILLIAMS D. J.
Published: May 2016

The dinitrogen‐derived hydrazido(2‐) complexes (I) react with polycyanoalkenes such as (II) in the presence of base to give vinyldiazenido(1‐) complexes e.g. (III).
ChemInform Abstract: Dicobalt‐O‐BISTREN Cryptate as a Reversible Dioxygen Carrier for Oxygen Separation and Transport.
Authors: MOTEKAITIS R. J. , MARTELL A. E.
Published: May 2016

Spectrophotometric studies of the dioxygen complex (I) are carried out over the temp. range 25‐95 °C. The complex is nearly completely formed at low temp. and nearly completely dissociated at 95 °C. At the highest temp. slow metal‐centered degradation of the dioxygen complex to the inert binuclear cobalt(III) cryptate is observed.
ChemInform Abstract: The Heteronuclear Cluster Chemistry of the Group 1B Metals. Part 10. Synthesis, Structures, and Dynamic Behavior of the Bimetallic Hexanuclear Group 1B Metal Cluster Compounds (M2Ru4(μ3‐H)2(μ‐Ph2As(CH2)nEPh2)(CO)12) (M: Cu or Ag; E: As or P; n = 1 or 2). X‐Ray Crystal Structure of (Cu2Ru4(μ3‐H)2(μ‐Ph2As(CH2)2PPh2)(CO)12).
Authors: BROWN S. S. D. , MCCARTHY P. J. , SALTER I. D. , BATES P. A. , HURSTHOUSE M. B. , COLQUHOUN I. J. , MCFARLANE W. , MURRAY M.
Published: May 2016

(IVb) is investigated by X‐ray diffraction (P21, Z=4).
ChemInform Abstract: Synthesis of Os2(CO)8(μ‐CHCH3) from a Geminal Ditriflate and Its Reversible Carbonylation to a Ketene‐Bridged Diosmacycle.
Authors: BULLOCK R. M. , HEMBRE R. T. , NORTON J. R.
Published: May 2016

The preparation of the title complex (V) is shown in the scheme.
ChemInform Abstract: Chemistry of Pyrrole Pigments. Part 77. Synthesis and Structure of b‐Norbiladienes‐ac and b‐Nor‐bilatrienes‐abc, i.e., Bi‐9,9′‐dipyrrinonyles and Bi‐9,9′‐dipyrrinonylidenes, Respectively.
Authors: FALK H. , FLOEDL H. + , WAGNER U. G.
Published: May 2016

The b‐nor‐biladiene‐ac (II) is prepared by oxidative coupling of the dipyrrinone (I) in nearly quantitative yield.
ChemInform Abstract: Facile Synthesis of α‐Phosphorylated α‐Amino Acids.
Authors: KU B. , OH D. Y.
Published: May 2016

The α‐methoxy‐α‐(acylamino) acids (III), prepared from the hydroxy acids (I), react with the phosphites (IV) in the presence of boron trifluoride etherate to give the α‐phosphorylated α‐amino acids (V).
ChemInform Abstract: Fast, Radiation‐Hard Scintillating Detector: A Potential Application for Sol‐Gel Glass.
Authors: NOGUES J.‐L. , MAJEWSKI S. , WALKER J. K. , BOWEN M. , WOJCIK R. , MORESHEAD W. V.
Published: May 2016

Due to the low processing temp., the sol‐gel process allows the preparation of organic/inorganic composite materials by doping silica gels with organic fluors.
ChemInform Abstract: Preparation and Characterization of Machinable Mica Glass‐Ceramics by the Sol‐Gel Process.
Authors: HAMASAKI T. , EGUCHI K. , KOYANAGI Y. , MATSUMOTO A. , UTSUNOMIYA T. , KOBA K.
Published: May 2016

Mica glass‐ceramics are prepared by the sol‐gel process using KF, MgSiF6, Al(OiPr)3, Si(OEt)4, and Mg(OMe)2 as starting materials.
ChemInform Abstract: Highly Resolved Proton Magnetic Resonance Studies on the Acidity of Zeolites and Related Catalysts.
Authors: ERNST H.
Published: May 2016

For the zeolites HY and HZSM‐5, mordenites, and amorphous silica‐aluminas, it is demonstrated that 1H MAS NMR spectra can be used to determine the strength and number of Bronsted acid sites.
ChemInform Abstract: Electrochemical and Solid State Reactions of Copper with n‐SnS2
Authors: JAEGERMANN W. , OHUCHI F. S. , PARKINSON B. A.
Published: May 2016

are studied by electrochemical and photoelectrochemical methods, XPS, TEM, and magnetic measurements.
ChemInform Abstract: Equilibria Between Bi2O3 and Bi5O7I in Aqueous Solutions at 10‐60 °C, and in Oxygen Atmospheres at 550‐800 °C
Authors: TAYLOR P. , LOPATA V. J.
Published: May 2016

(low pressure, 0.2‐100 kPa).
ChemInform Abstract: All Solid State Li‐Li1+xV3O8 Secondary Batteries
Authors: HAMMOU A. , HAMMOUCHE A.
Published: May 2016

are studied by coulometric titration and galvanostatic cycling.
ChemInform Abstract: The Nature of the Adsorbed Species and Mechanism of Adsorption of In(III) from Iodide Solutions at the DME.
Authors: MONTEMAYOR M. C. , FATAS E.
Published: May 2016

The reduction of In(III) in In(NO3)3/NaI solutions with ionic strength of 1.0 (maintained with NaClO4) is studied by means of interfacial admittance measurements.
ChemInform Abstract: The Lithium‐Boron Alloy, a Lithium‐Rich Multiphase Material. ‐ Preparation and Characterization.
Authors: SANCHEZ P. , BELIN C.
Published: May 2016

In order to optimize the synthesis of the Li‐rich Li‐B alloy, the reactivity of crystalline boron with lithium is studied by DSC.
ChemInform Abstract: The A(II)xMP2O7 Pyrophosphates: Synthesis and Structural Study of CaCoP2O7.
Authors: RIOU D. , LABBE P. , GOREAUD M.
Published: May 2016

The title compound, single crystals of which are obtained from stoichiometric mixtures of CaCO3, CoCO3, and (NH4)2HPO4 at 1273 K, crystallizes in the triclinic system P1.
ChemInform Abstract: Electron Transfer and Conformational Interconversions in 1,n‐Diphenylpolyenes (I).
Authors: SCHENK R. , HUBER W. , SCHADE P. , MUELLEN K. +
Published: May 2016

The diphenylalkenes (I) can exist as two (n = 2), three (n = 3), or 6 (n = 4) s‐cis/s‐trans conformers.
ChemInform Abstract: Electrochemical Reduction of Fe(CO)5 Revisited.
Authors: AMATORE C. , VERPEAUX J.‐N. , KRUSIC P. J.
Published: May 2016

The electrochemical reduction of Fe(CO)5 in THF is studied by cyclic voltammetry with microelectrodes.
ChemInform Abstract: Stereoselective Synthesis of Alcohols. Part 28. Stereocontrol of Addition of Chiral (E)‐(α‐Chlorocrotyl)boronates to Chiral Aldehydes.
Authors: HOFFMANN R. W. , DRESELY S. , HILDEBRANDT B.
Published: May 2016

In the reaction of the chiral boronates (R)‐(II) or (S)‐(II) with chiral aldehydes (I), (VII), (IX), (XI), the diastereoselectivity depends on whether the asym.
ChemInform Abstract: Cyclophilic Reactions of Allene‐1,3‐dicarboxylic Ester. Part 7. Synthesis of Bicyclic and Tricyclic Heterocyclic Compounds Involving Nitrogen, Sulfur and Carbon as Nucleophiles.
Authors: DOAD G. J. S. , OKOR D. I. , SCHEINMANN F. , BATES P. A. , HURSTHOUSE M. B.
Published: May 2016

The title compound (I) is an excellent substrate for heterocyclic syntheses leading to products with ester side‐chains capable of further elaboration.
ChemInform Abstract: 1,3‐Dipolar Cycloaddition of Nitrones with Nitriles. Scope and Mechanistic Study.
Authors: HERMKENS P. H. H. , VAN MAARSEVEEN J. H. , KRUSE C. G. , SCHEEREN H. W.
Published: May 2016

1,3‐Dipolar cycloaddition of nitrones such as (I) or (IV) with the nitriles (II) under thermal conditions gives the Δ4‐1,2,4‐oxadiazolines (III) or (V) with complete regioselectivity (the yield of (IIIc) can be raised up to 87% by using high pressure conditions in DMF, the yields of (IIIb) and (V) refer to ten‐fold excess of the dipolarophile).
ChemInform Abstract: Lipoxygenase Inhibitors from the Essential Oil of Garlic. Markovnikov Addition of the Allyldithio Radical to Olefins.
Authors: BLOCK E. , IYER R. , GRISONI S. , SAHA C. , BELMAN S. , LOSSING F. P.
Published: May 2016

Brief pyrolysis of diallyl disulfide (Ia) leads to the detection of ca. 30 products such as (Ib), (II) or (III).
ChemInform Abstract: Synthesis of Stable 3,6‐Epidioxypyrazin‐2‐ones and α‐Oxo Imides by Photooxygenation of Pyrazin‐2‐ones with Singlet Oxygen.
Authors: NISHIO T. , TOKUNAGA N. , KONDO M. , OMOTE Y.
Published: May 2016

Photolysis of the pyrazinones (I) (7 examples given) in MeOH (II) under oxygen gives mixtures of the epidioxypyrazinones (III), the α‐oxo amides (IV) and the amides (V).
ChemInform Abstract: Selectivity and Mechanism in the Side‐Chain Halogenation of Methylbenzenes Promoted Photochemically and by Metal Complexes in the Presence of Halide Ions.
Authors: BACIOCCHI E. , CRESCENZI M.
Published: May 2016

The intramolecular selectivity in a variety of side‐chain halogenations of alkylaromatics is determined in AcOH at 60 °C by measuring the isomeric distribution in the reactions of the xylenes (I) (→ (II) + (III)) under the different conditions shown in the scheme.
ChemInform Abstract: Addition of Crotyltitanocenes to Aldehydes: Influence of Cyclopentadienyl Substituents on the Diastereoselective Formation of Homoallylic Alcohols.
Authors: COLLINS S. , DEAN W. P. , WARD D. G.
Published: May 2016

The addition of the (η3‐crotyl)titanocenes derived from (I) and (III) to the aldehydes (II) yields the anti‐ and syn‐adducts (IV) and (V).
ChemInform Abstract: Stabilized Carbanions by Alkyllithium‐Induced Decarboxylation of Non‐Enolizable Carboxylic Acids. An Anionic Equivalent to the Hunsdiecker Reaction.
Authors: GILDAY J. P. , PAQUETTE L. A.
Published: May 2016

The carboxylic acids (I) are decarboxylated in the presence of methyllithium and then treated with electrophilic agents to form the substitution products (III).
ChemInform Abstract: Mechanistic Studies on the Reaction of Chromium Carbene Complexes with Acetylenes: Furan Formation and the Dependence of the Product Distribution on the Stereochemistry of Reaction Intermediates.
Authors: MCCALLUM J. S. , KUNNG F.‐A. , GILBERTSON S. R. , WULFF W. D.
Published: May 2016

The reaction of the chromium complex (I) with acetylenes such as (II) yields mixtures of the phenols (III) and the furans (IV) (silica gel isolation of (IIIa) yields a 1:2.4 mixture of the phenol and its corresponding lactone).
ChemInform Abstract: An Unexpected Outcome of the Reaction Between β‐Lactones and Dissolved Potassium.
Authors: JEDLINSKI Z. , KOWALCZUK M. , MISIOLEK A.
Published: May 2016

Treatment of the oxetanones (I) with a solution of potassium (II) in a crown ether, which contains potassium anions, results in ring cleavage, producing the carbanions (III).
ChemInform Abstract: Photochemical Formation of Heteromethylenecyclopropanes. Part 18. Photolysis of 5‐Alkylidene‐1,4‐dihydro‐1,4‐dimethyl‐5H‐tetrazoles. ‐ Diastereoselective Formation of (E)‐Aziridinimines.
Authors: QUAST H. , BIEBER L. , MEICHSNER G.
Published: May 2016

Irradiation of the tetrazole derivatives (I) yields the title aziridinimines (II) as major products.
ChemInform Abstract: A Novel Ring Transformation of 5‐Acylaminouracils and 5‐Acylaminopyrimidin‐4(3H)‐ones into Imidazoles.
Authors: UEDA T. , MATSUURA I. , MURAKAMI N. , NAGAI S. , SAKAKIBARA J. , GOTO M.
Published: May 2016

The 5‐acylaminouracils (III) and the 5‐acylaminopyrimidin‐4(3H)‐ones (VI), prepared by acylation of the amino derivatives (I) or (V), undergo ring contraction upon treatment with sodium hydroxide in aqueous ethanol to give the imidazolecarboxamides (IV) or (VII).
ChemInform Abstract: Novel Synthesis of 1,3‐Oxazolidine‐2‐thione.
Authors: PAPSHEVA N. P. , GERASIMOVA V. V. , NEDOLYA N. A.
Published: May 2016

The acid‐catalyzed reaction between the vinyloxyethyl isothiocyanates (I) and the alkanols (II) affords the title compound (III) as the main product along with the expected acetals (IV).
ChemInform Abstract: Reaction of Chloroacetyl Chloride with the Salts of N‐Alkyl‐ or N‐Aryldithiocarbamic Acids. A Convenient Method of Synthesis of 3‐Substituted Rhodanines.
Authors: CRUZ K. , MACIAS A. , BELETSKAYA I. P.
Published: May 2016

The title reaction affords the products (III) in high yields.
ChemInform Abstract: Reaction of Some 2‐Nitro‐2‐azapropanol Derivatives with Azoles.
Authors: GAREEV G. A. , KIRILLOVA L. P. , SHUL'GINA V. M. , BUZILOVA S. R. , VOLOGDINA L. P. , VERESHCHAGIN L. I.
Published: May 2016

The reactions of the title compounds (I) and (VIII) using reaction conditions A) and B), resp., provides the various heterocyclic products shown in the scheme.
ChemInform Abstract: Synthesis of Sulfonyl Analogues of Hydantoins.
Authors: UNTERHALT B. , HANEWACKER G.‐A.
Published: May 2016

The sulfonamide (III), obtained by reaction of the (R)‐tryptophane compound (I) with chlorosulfonic methylamide (II), is cyclized upon traetment with alkali to form the (R)‐1,2,5‐thiadiazolin‐3‐one 1,1‐dioxide (IV).
ChemInform Abstract: Enantioselective Synthesis of Dihydropyridine Sulfones.
Authors: DAVIS R. , KERN J. R. , KURZ L. J. , PFISTER J. R.
Published: May 2016

The synthesis of the (S)‐sulfonyldihydropyridine (VIII) starting from the (R)‐sulfoxide (I) is described; the corresponding racemic form of (VIII) has been recently identified as a potent, orally bioavailable and long‐acting hypertensive agent in animal models.
ChemInform Abstract: Synthesis of 2‐Amino‐4,4‐bis(trifluoromethyl)‐3‐cyano‐1,4‐dihydrobenzo‐(h)quinoline.
Authors: KOMAROV K. V. , CHKANIKOV N. D. , SEREDA S. V. , ANTIPIN M. YU. , STRUCHKOV YU. T. , KOLOMIETS A. F. , FOKIN A. V.
Published: May 2016

Regioselective alkylation of α‐naphthylamine (I) with the alkene (II) at C2 and subsequent heterocyclization give the title compound (III).
ChemInform Abstract: Diels‐Alder Reactions of 2‐Azadienes. Diastereoselective Syntheses of 2‐Azabicyclo(2.2.2)octan‐2‐ones and of 2,3,4‐Substituted Cyclohexanones.
Authors: RIVERA M. , LAMY‐SCHELKENS H. , SAINTE F. , MBIYA K. , GHOSEZ L.
Published: May 2016

The disiloxydihydropyridine (III) is subjected to (4 + 2)cycloaddition reaction with the dienophiles (IV) or (VI).
ChemInform Abstract: Homolytic Alkylation of Oxine with 1,4‐Dioxane.
Authors: ZELECHONOK YU. B. , IVANOVA L. P. , ZORIN V. V. , ZLOTSKII S. S. , RAKHMANKULOV D. L.
Published: May 2016

Benzoyl peroxide‐initiated alkylation of oxine (I) with 1,4‐dioxane gives a mixture of the 2‐ and 4‐substituted products (III) and (IV).
ChemInform Abstract: A Convenient Synthesis of Ethyl β‐(Dioxohydropyridinyl)acrylate, Ethyl β‐(Dihydrodioxopyrido(3,2‐c)pyridazinyl)acrylate, and Ethyl β‐(Oxopyranyl)acrylate Derivatives.
Authors: ABDEL GALIL F. M. , HASHIM O. K. , SALEH S. S.
Published: May 2016

The aminocyanopentenedioate (I) dimerizes in refluxing pyridine to give the pyridinedione (II) as the major product.
ChemInform Abstract: Synthesis of 2‐Cyclohexylcarbonylperhydropyrazino(2,1‐a)isoquinolin‐4‐one.
Authors: TSIZIN YU. S. , SERGOVSKAYA N. L. , SHEKHTER O. V.
Published: May 2016

Starting with the (cyclohexenylethyl)amine (I), the perhydropyrazinoisoquinoline (VII) is prepared as shown in the reaction scheme.
ChemInform Abstract: New Three‐ and Sixfold Bridged Phenylogous Cyclophanes.
Authors: SENDHOFF N. , KISSENER W. , VOEGTLE F. + , FRANKEN S. , PUFF H.
Published: May 2016

Cyclization of the sulfide (I) with the bromides (II) or (IV) leads to the threefold bridged cyclophane (III) or to the triple‐layered racemic cyclophane (V) and its meso‐analogue (VI).
ChemInform Abstract: Design and Synthesis of Photoresponsive Crown Ethers via Olefin Metathesis.
Authors: HAYAKAWA K. , NAITO R. , KANEMATSU K.
Published: May 2016

The crown ether‐fused cage compound (IVa), prepared from the benzoquinone (I) and the methoxymethylcyclopentadiene (II) via the cycloadduct (III), and its demethoxymethylated analogue (IVb) undergo cycloreversion upon heating, producing the dienediones (V).
ChemInform Abstract: Reactivity of Isoselenazole Derivatives Towards Electrophilic Reagents.
Authors: LUCCHESINI F. , PICCI N. , POCCI M. , DE MUNNO A. , BERTINI V.
Published: May 2016

Bromination of the isoselenazoles (I) with bromine or N‐bromosuccinimide gives the 4‐bromoisoselenazoles (II).
ChemInform Abstract: Metal Complexes with Tetrapyrrole Ligands. Part 51. Synthesis, Spectroscopic Properties, and Structure of New Heterodimetal Bisporphyrinates.
Authors: BUCHLER J. W. , SCHARBERT B. , ENGLERT U. , STRAEHLE J. +
Published: May 2016

The complex (I) reacts with (II) in a basic medium to give the new complex type (IIIa), whose constitution is proved by X‐ray crystallography (Pna21, Z=4), electronic, IR and 1H NMR spectra.
ChemInform Abstract: Cyanine Dyes from 8‐Hydroxy‐2‐methylquinoline.
Authors: MUSHKALO I. L. , IL'CHENKO O. A. , TOLMACHEV A. I.
Published: May 2016

The quinolinium salt (III) is coupled with the aldehydes (IV) to give the cyanine dyes (V).
ChemInform Abstract: Enantiospecific Synthesis of D‐Mannono‐δ‐lactam from Vitamin C.
Authors: SHING T. K. M.
Published: May 2016

Catalytic hydrogenation of vitamin C (I) yields the γ‐lactone (II) which is converted into the triflate (VI).
ChemInform Abstract: Adrenalin Oxidation Revisited. New Products Beyond the Adrenochrome Stage.
Authors: D'ISCHIA M. , PALUMBO A. , PROTA G.
Published: May 2016

Adrenochrome (I), which is the first isolable intermediate in the oxidation of adrenalin, rearranges under anaerobic conditions to give the dimeric product (II).
ChemInform Abstract: The Transport Numbers and Mobilities of Ions in the Sodium/Lithium and Sodium/Rubidium Systems in a Cation‐Exchange Membrane.
Authors: OJALA T. , KONTTURI K.
Published: May 2016

The transport numbers of the title systems are measured in the same cation‐exchange membrane at different concentration ratios of the ions.
ChemInform Abstract: Electrochemical Properties of Iron(III)‐Substituted Heteropolytungstate Anions.
Authors: TOTH J. E. , ANSON F. C.
Published: May 2016

The electrochemistry of Fe(III)‐substituted heteropolyanions of type (H2OFeXW11O39)n‐ (X: P, As, n = 4; X: Ge, Si, n = 5) is found to be significantly different from that of the unsubstituted parent heteropolyanions (XW12O40)m‐ (X: Si, m = 4; X: P, m = 3).
ChemInform Abstract: Preparation and Properties of Platinum/ω‐Zeolite Bifunctional Catalysts.
Authors: COQ B. , FIGUERAS F. , RAJAOFANOVA V.
Published: May 2016

Pt/ω‐zeolite catalysts are prepared by ion exchange of three different ω‐zeolite samples with (Pt(NH3)4)2+.
ChemInform Abstract: Solid‐Phase Thermal Isomerization of (R3P)2Ru(CO)2Cl2 and (R3P)3Ru(CO)Cl2 Complexes.
Authors: KRASSOWSKI D. W. , REIMER K. , LEMAY H. E. JUN. , NELSON J. H.
Published: May 2016

The title reactions are studied using TGA and differential scanning calorimetry.
ChemInform Abstract: The Photochemical Reaction of Cerium(IV) Ammonium Nitrate with Alkenes. Rate and Mechanism for the Addition of the Nitrate Radical to Alkenes.
Authors: BACIOCCHI E. , DEL GIACCO T. , MURGIA S. M. , SEBASTIANI G. V.
Published: May 2016

A reaction constant ρ = ‐0.97 is obtained for the photonitration of styrenes such as (I).