bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Oxidation of 4‐Methylenetetrahydropyran and 4‐Methyl‐5,6‐dihydro‐2H‐pyran by Nitric Acid. Synthesis of Citric and Oxalic Acid.
Authors: SARGSYAN M. S. , MKRTUMYAN S. A. , GEVORKYAN A. A. 
Published: May 2016

AbstractOxidation of 4‐methylenetetrahydropyran (I) with HNO3 in the presence of equimolar amounts of N2O3 or N2O4 yields citric acid (II) and oxalic acid (III).
ChemInform Abstract: The Preparation of Lithium Organocuprates from Various Cu(I) Salts.
Authors: BERTZ S. H. , GIBSON C. P. , DABBAGH G. 
Published: May 2016

AbstractReaction of the cyclohexenone (I) with lithium dibutylcuprate, generated from butyllithium (II) and various copper salts, yields mixtures of the 1,4‐adduct (III) and the 1,2‐adduct (IV).
ChemInform Abstract: Silver(I)‐Catalyzed Isomerization of Water‐Soluble Quadricyclanes.
Authors: MARUYAMA K. , TAMIAKI H. 
Published: May 2016

AbstractIsomerization of the water‐soluble quadricyclanes (I) to give the corresponding norbornadienes (II) is catalyzed by silver(I) perchlorate.
ChemInform Abstract: New Syntheses of Calixarene‐p‐sulfonates and p‐Nitrocalixarenes.
Authors: SHINKAI S. , ARAKI K. , TSUBAKI T. , ARIMURA T. , MANABE O. 
Published: May 2016

AbstractThe calixarene‐sulfonates (III) are prepared from the calixarenes (I) and used to give the nitro calixarenes (V).
ChemInform Abstract: Nitration of 2,6‐, 2,7‐ and 1,5‐(Carboxymethyloxy/Carboxymethylmercapto)naphthalenes.
Authors: LISITSYN V. N. , TSATSAKIS A. M. 
Published: May 2016

AbstractQuantum mechanical calculations on the 2,6‐disubstituted naphthalene (I) reveal that nitration should proceed at position 1 or 5. In fact, nitration of (I) with an equimolar quantity of HNO3 (II) affords the 5‐nitro derivative (III) accompanied by a small amount of the 1‐nitro derivative (IV).
ChemInform Abstract: Intramolecular Radical Coupling of a Phenolic Enolate: Oxidative Fragmentation of the Spirodiketone Intermediate.
Authors: LEBOFF A. , CARBONNELLE A.‐C. , ALAZARD J.‐P. , THAL C. , KENDE A. S. 
Published: May 2016

AbstractThe m‐methoxyphenylalkanoic acids (I) are converted to the 2‐(hydroxyphenylalkyl)‐3‐oxocyclohexenols (VI).
ChemInform Abstract: Mild and Selective Ring‐Cleavage of Cyclic Carbamates to Amino Alcohols.
Authors: ISHIZUKA T. , KUNIEDA T. 
Published: May 2016

AbstractThe N‐protected oxazolidinones (I) are cleaved with the anhydride (II) in the presence of cesium carbonate or lithium hydroxide to form the amino alcohols (III).
ChemInform Abstract: Aroylnitrile Oxide Cyclizations. Part 2. Synthesis of (3‐Aroylisoxazol‐ 5‐yl)alkanoic Acids.
Authors: TEGELER J. J. , DIAMOND C. J. 
Published: May 2016

AbstractThe nitrile oxide (II), prepared in situ from the hydroxamoyl chloride (I), reacts with allyl cyanide (III) to give the cycloadduct (IV).
ChemInform Abstract: Studies on 4‐Thiazolidinone: Part 4. Synthesis and Antimicrobial Activity of p,p′‐Bis(5‐methyl/carboxymethyl‐4‐oxo‐2‐phenylthiazolidin‐3‐ylamidomethylamino)‐diphenylsulfones.
Authors: SHAHSAFI M. A. , MESHKATALSADAT M. H. , PAREKH H. 
Published: May 2016

AbstractThe title compounds (I) are synthesized from the corresponding Schiff bases and thiolactic or thiomalic acid.
ChemInform Abstract: Reactions of Thioxoheterocycles with N‐Chloro Amides. Part 1. N‐(2‐Pyridylthio)amides.
Authors: BOBERG F. , PAETZ A. , BRUCHMANN B. , GARMING A. 
Published: May 2016

AbstractThe N‐(2‐pyridylthio)amides (VI) are prepared by coupling 2‐thiopyridone (IV) with the N‐chloro sulfonamides or carboxylic amides (I) ‐ (III) partly via the hydrochlorides (V).
ChemInform Abstract: Nitrogen Bridgehead Compounds. Part 68. Studies on Quinolizine Derivatives. Part 2. Synthesis of 1,3‐Disubstituted‐4H‐Quinolizine Derivatives.
Authors: SCHWARTZ A. , PAL Z. , SZABO L. , SIMON K. , HERMECZ I. , MESZAROS Z. 
Published: May 2016

AbstractThe quinolizines (III) and (IV) are prepared from the pyridines (I) and the ethoxymethylene derivatives (II) under the reaction conditions shown in the scheme.
ChemInform Abstract: Chlorination of Oxoheterocycles with Thionyl Chloride.
Authors: GOE G. L. , HUSS C. A. , KEAY J. G. , SCRIVEN E. F. V. 
Published: May 2016

AbstractThe chlorination of the oxopyridazine (I) and the oxopyridines (III) or (V) is performed under various conditions.
ChemInform Abstract: Amino Acids and Peptides. Part 64. What is the Structure of Barettin? Novel Synthesis of Unsaturated Diketopiperazines.
Authors: LIEBERKNECHT A. , GRIESSER H. 
Published: May 2016

AbstractThe α‐amino phosphonate (I) is coupled with the prolinate (S)‐(II), producing the dipeptide (III) which cyclizes upon hydrogenation to form the phosphonodiketopiperazine (IV).
ChemInform Abstract: Heterocyclic Systems Containing Bridgehead Nitrogen Atom. Part 61. Facile Synthesis of Spiro(cylooctane‐1,3′(4′H)‐(2H)thiazolo‐(3,2‐b)‐s‐tetrazine), a New Heterocyclic System.
Authors: NARAYAN S. , BINDAL V. , SHARMA B. R. , DAHIYA R. , GUPTA G. D. , JAIN K. K. , HANDA R. N. , PUJARI H. K. 
Published: May 2016

AbstractA series of reactions of the thione (I) is carried out as shown in the scheme.
ChemInform Abstract: Intramolecular Nucleophilic Substitution of Fluorine in α‐Pentafluorophenyl‐N‐phenylnitrone.
Authors: PETRENKO N. I. , GERASIMOVA T. N. 
Published: May 2016

AbstractThermal treatment of the nitrone (I) gives a mixture of the salicylic anilide (II) and the xanthone (III).
ChemInform Abstract: Reaction of γ‐Thiobutyrolactone with Urea Derivatives.
Authors: KURIHARA H. , KIKUCHI K. , SHIRAI K. 
Published: May 2016

AbstractReaction of the title compound (II) with the carbonohydrazide derivatives (I) or biguanidine (IX) results in the formation of various mercaptopropyl N‐heterocycles as shown in the reaction scheme.
ChemInform Abstract: A Convenient One‐Pot Cyanosilylation of Aldehydes and Ketones Using Potassium or Sodium Cyanide Impregnated on Amberlite XAD Resin and Trimethylsilyl Chloride.
Authors: SUKATA K. 
Published: May 2016

AbstractThe combination of KCN (III) impregnated on Amberlite XAD resin and Me3SiCl (II) is found to be a good one‐pot cyanosilylation reagent.
ChemInform Abstract: Diaryl(dimethoxy)selenanes in the Synthesis of N‐Sulfonyldiarylselenium Imides.
Authors: NADDAKA V. I. , AVANESYAN K. V. , CHERKINSKAYA M. L. , MINKIN V. I. 
Published: May 2016

AbstractA novel method for the preparation of the title compounds (V) is reported.
ChemInform Abstract: Non‐Aqueous Cyanation of Halides (I) Using Lithium Cyanide (II).
Authors: HARUSAWA S. , YONEDA R. , OMORI Y. , KURIHARA T. 
Published: May 2016

Abstract(HARUSA‐ WA, S.; YONEDA, R.; OMORI, Y.; KURIHARA , T.; Tetrahedron Lett.
ChemInform Abstract: Electrophilic Azide Transfer to Chiral Enolates. A General Approach to the Asymmetric Synthesis of α‐Amino Acids.
Authors: EVANS D. A. , BRITTON T. C. 
Published: May 2016

AbstractThe oxazolidones (I) are converted to the azides (III) or the diazoimide (V); the former undergo hydrolysis to yield the chiral azido acids (VI) with great enantiomeric purities.
ChemInform Abstract: The Allyl Group for Protection in Carbohydrate Chemistry. Part 21. (.+‐.)‐1,2:5,6‐ and (.+‐.)‐1,2:3,4‐Di‐O‐isopropylidene‐myo‐inositol. The Unusual Behavior of Crystals of (.+‐.)‐3,4‐Di‐O‐acetyl‐1,2,5,6‐tetra‐O‐benzyl‐myo‐inositol on Heating and Cooling: A ′Thermosalient Solid′.
Authors: GIGG J. , GIGG R. , PAYNE S. , CONANT R. 
Published: May 2016

AbstractThe racemic myo‐inositol (Ia) is converted by a known procedure to a mixture of the bis‐isopropylidene derivatives (Ib)‐(Id) which are isolated as benzoates (IVa)‐(IVc).
ChemInform Abstract: An Efficient Method for Polyphosphorylation of Inositol Derivatives.
Authors: WATANABE Y. , NAKAHIRA H. , BUNYA M. , OZAKI S. 
Published: May 2016

AbstractTreatment of the inositols (I) with tetrabenzyl pyrophosphate (II) in the presence of butyllithium and/or LDA yields the phosphorylated derivatives (III).
ChemInform Abstract: New Depsides from Erioderma Lichens.
Authors: ELIX J. A. , MAHADEVAN I. , WARDLAW J. H. , ARVIDSSON L. , JOERGENSEN P. M. 
Published: May 2016

AbstractThe known depside (Ia) and the new depsides (Ib) and (II) are isolated from the title lichens.
ChemInform Abstract: The Surface Chemistry of Crushed Quartz Dust in Relation to Its Pathogenicity.
Authors: FUBINI B. , BOLIS V. , GIAMELLO E. 
Published: May 2016

AbstractThe results of EPR and adsorption calorimetry show that, mechanically ground quartz bears surface radicals originating from the homolytic cleavage of Si‐O‐Si bonds and subsequent reaction with atmospheric components.
ChemInform Abstract: Electronic Absorptions in the High TC Superconductor YBa2Cu3Ox.
Authors: LITTLE W. A. , COLLMAN J. P. , YEE G. T. , HOLCOMB M. J. , MCDEVITT J. T. , BROWN G. E. 
Published: May 2016

AbstractThe reflectance spectra of a sintered YBa2Cu3Ox pellet, recorded for several oxygen contents (x = 6.0, 6.2, 6.4, 6.6, 7.0), show a broad reflectance feature in the range 1000‐9000 cm‐1, which is dependent on the oxygen content.
ChemInform Abstract: X‐Ray Crystal Structure of the Hexameric Lithium Enolate of Ethyl N,N‐Diethylglycinate.
Authors: JASTRZEBSKI J. T. B. H. , VAN KOTEN G. , VAN DE MIEROOP W. F. 
Published: May 2016

AbstractAddition of ethyl N,N‐diethylglycinate to a solution of lithium diisopropylamine in pentane affords the lithium enolate as an oil in quantitative yield.
ChemInform Abstract: Cycloaddition Reactions of 1,3,4‐Oxadiazin‐6‐ones (4,5‐Diaza‐a‐pyrones). Part 6. Intramolecular (2 + 2)‐Cycloaddition Reactions of γ‐Oxo Ketenes.
Authors: HEGMANN J. , CHRISTL M. , PETERS K. , PETERS E.‐M. , VON SCHNERING H. G. 
Published: May 2016

AbstractThe oxadiazinonecarboxylate (I) reacts with the unsaturated cyclic compounds (II) to give the β‐lactones (V) via thermal rearrangement of the ketenes (IV).
ChemInform Abstract: Catalytic Osmylation of Electron Poor Allylic Alcohols and Ethers. Synthetic Approach to Branched Chain Sugars.
Authors: BERNARDI A. , CARDANI S. , SCOLASTICO C. , VILLA R. 
Published: May 2016

AbstractThe catalytic osmylation of the allyl ethers (I) or (IV) the synthesis of which is described yields the isomeric products (II) + (III) or (V) + (VI), respectively, with a general selectivity in favor of the arabino (2,3‐syn‐3,4‐anti) configuration ((II), (Va)).
ChemInform Abstract: Lactols in Stereoselection. Part 1. Highly Selective 1,4‐ and 1,5‐Asymmetric Induction.
Authors: TOMOOKA K. , OKINAGA T. , SUZUKI K. , TSUCHIHASHI G. 
Published: May 2016

AbstractThe lactols (I) react with the organometallic methylation agents (II) and (V) to give the diastereomeric diols (III) and (IV).
ChemInform Abstract: Adamantane‐2‐spiro‐3′‐diazirine in Reactions with Protic and Aprotic Acids.
Authors: ISAEV S. D. , ZHALNINA G. G. , MURZINOVA Z. N. , LASTOVENKO S. I. , YURCHENKO A. G. 
Published: May 2016

AbstractThe title compound (I), on treatment with protic acids such as conc.
ChemInform Abstract: Synthesis of Cross‐Conjugated Polyenic Dialdehydes and Carboxylic Acid Esters.
Authors: KRYSHTAL' G. V. , DVORAK D. , ARNOL'D Z. , YANOVSKAYA L. A. 
Published: May 2016

AbstractStarting with the methylenemalonic dialdehydes (I), the trienedials (V) are prepared via the ethoxy acetals (IV).
ChemInform Abstract: New Electron Acceptors for Organic Metals: Extensively Conjugated Homologues of Thiophene‐7,7,8,8‐tetracyanoquinodimethane (TCNQ).
Authors: YUI K. , ASO Y. , OTSUBO T. , OGURA F. 
Published: May 2016

Abstract5,5'‐Dibromo‐2,2'‐bithiophene (I) reacts with tetracyanoethylene oxide (II) to give the bis(dicyanomethylene)dihydrobithiophene (III).
ChemInform Abstract: Chiral Four‐Membered Cyclic Nitrones. Asymmetric Induction in the (4 + 2)‐Cycloaddition Reaction of Chiral Ynamines and Nitroalkenes.
Authors: VAN ELBURG P. A. , HONIG G. W. N. , REINHOUDT D. N. 
Published: May 2016

AbstractThe nitrostilbene (I) undergoes cycloaddition reaction with the ynamines (II) to form the cyclic nitrones (IV) via the intermediates (III).
ChemInform Abstract: A Formal Total Synthesis of Geneserine.
Authors: WRIGHT C. , SHULKIND M. , JONES K. , THOMPSON M. 
Published: May 2016

Abstract3‐Bromophenol (I) is converted to 3‐bromo‐4‐aminoanisole (VII) which is N‐acylated and methylated, forming the acrylanilide (IXb).
ChemInform Abstract: Reactions of 1H‐1,2‐ and 1H‐1,3‐Diazepines with Dimethyl Acetylenedicarboxylate.
Authors: KURITA J. , KAKUSAWA N. , TSUCHIYA T. 
Published: May 2016

AbstractReaction of the 1H‐1,3‐diazepines (I) and 1H‐1,2‐diazepines (IV) with dimethyl acetylenedicarboxylate (II) yields the 3a,7a‐dihydropyrrolo‐(3,2‐b)pyridines (III) or the dimethyl phthalates (V) and pyrazoles (VI) via intermediate cycloadducts.
ChemInform Abstract: Liquid‐Crystalline Imidazo(2,1‐b)‐1,3,4‐thiadiazoles. Part 2. Synthesis, Mesomorphic and Spectral Properties of Liquid‐Crystalline 5‐Substituted Imidazo(2,1‐b)‐1,3,4‐thiadiazoles.
Authors: TORGOVA S. I. , ABOLIN A. G. , ROITMAN K. V. , KARAMYSHEVA L. A. , IVASHCHENKO A. V. 
Published: May 2016

AbstractThe 2,6‐disubstituted imidazothiadiazoles (IIIa)‐(IIId), which bear no substituent at C‐5, generally form smectic mesophases over a wide range of temperature.
ChemInform Abstract: Regioselective Addition of Organocuprates to 2‐Siloxypyrylium Salt: Facile Synthesis of Substituted 2‐Siloxy‐4H‐pyrans and Their Reactions with Electrophiles.
Authors: KUME T. , IWASAKI H. , YAMAMOTO Y. , AKIBA K. 
Published: May 2016

Abstract4,6‐Dimethyl‐2‐pyrone (I) reacts with the silyl triflate (II) to produce the 2‐siloxypyrylium salt (III) which is substituted with the lithium cuprates (IV) to form the regioisomeric products (V) and (VI).
ChemInform Abstract: The Synthesis and NMR Spectra of New Pentacoordinate Silicon Compounds, (O‐Si)‐ and (Cl‐Si)‐Chloro(1‐(1,1‐dimethyl‐2‐acylhydrazonium)methyl)dimethylsilanes and (O‐Si)‐Chloro(2‐(1,1‐dimethyl‐2‐acylhydrazino)methyl)dimethylsilanes.
Authors: KALIKHMAN I. D. , PESTUNOVICH V. A. , GOSTEVSKII B. A. , BANNIKOVA O. B. , VORONKOV M. G. 
Published: May 2016

AbstractThe chloromethylsilane (I) is coupled with the hydrazones (II) to give the heterocycles (III).
ChemInform Abstract: Trimethylsilylphosphites and Hexafluoroacetone: Phosphonates versus Dioxaphospholanes ‐ 1:1 and/or 1:2 Adducts.
Authors: HEINE J. , ROESCHENTHALER G.‐V. + 
Published: May 2016

AbstractThe phosphites (I) react with the ketone (II) to give the phosphonates (III) as major products and the dioxaphospholanes (IV) as by‐products.
ChemInform Abstract: Substituted Phosphorylamidophosphates.
Authors: KHODAK A. A. , TIKHONINA N. A. , PORSHNEV YU. N. , GILYAROV V. A. 
Published: May 2016

AbstractStarting with the phenols (I) or the tetrachloride (IX), the imidodiphosphates (VIII) and (XII) are prepared as shown in the reaction scheme.
ChemInform Abstract: Synthesis and Spectroscopic Properties of Some New Seven‐Coordinate Thioacetamide Complexes of Molybdenum(II) and Tungsten(II).
Authors: BAKER P. K. , FRASER S. G. 
Published: May 2016

AbstractEquimolar quantities of (I) and (II) react to give initially (IV) or the corresponding Mo derivative in the case of (Ia), which rapidly dimerizes to yield (III).
ChemInform Abstract: The Crystal Structure of Calciumhexacyanoferrate(II)‐Hexamethylenetetramine‐Water(1/1/6) Ca2(Fe(CN)6)·C6H12N4·6 H2O.
Authors: MEYER H.‐J. , PICKARDT J. 
Published: May 2016

AbstractEach of the four Fe(CN)6 octahedra in the unit cell of the title complex (space group B2/b with Z=4) is coordinated by six Ca atoms.
ChemInform Abstract: Synthesis, Thermal, Magnetic Properties and Crystal Structure of Homodinuclear Copper(II) Complexes with New “End‐off” Compartmental Schiff Bases.
Authors: GUERRIERO P. , CASELLATO U. , AJO D. , SITRAN S. , VIGATO P. A. , GRAZIANI R. 
Published: May 2016

AbstractThe complex (I), prepared from the Na salt of the ligand and hydrated Cu acetate in water at reflux temp. (no yield given), crystallizes in P1 with Z=2.
ChemInform Abstract: Electrochemical Oxidative Addition of Chloride to Rh2(μ‐dppm)2(CO)2Cl2.
Authors: TORTORELLI L. J. , TINSLEY P. W. , WOODS C. , JANKE C. J. 
Published: May 2016

AbstractElectrochemical oxidation of the title complex (I) in the presence of chloride affords the new unsym. Rh(II) complex (II), which is readily converted to the complex (III).
ChemInform Abstract: Characterization of Some Low Spin Complexes of Ferric Hemeoctapeptide from Cytochrome‐c.
Authors: OWENS J. W. , O'CONNOR C. J. , KASSNER R. D. 
Published: May 2016

AbstractComplexes (I) of hemeoctapeptide, derived from bovine cytochrome c, and an analogous one without a second axial ligand, show similar magnetic properties to those of low‐spin complexes of cytochrome c and hemoglobin which makes them suitable to serve as model compounds.
ChemInform Abstract: Short‐Step Synthesis of Amino Acids and N‐Hydroxyamino Acids from Amines.
Authors: MURAHASHI S.‐I. , SHIOTA T. 
Published: May 2016

AbstractThe amines (I) react with hydrogen peroxide in the presence of sodium wolframate(VI) and KCN (II) to give the α‐cyano hydroxylamines (III).
ChemInform Abstract: Anisotropy in an Oriented Ba2YCu3O7 Superconductor.
Authors: LYNDS L. , GALASSO F. , OTTER F. , WEINBERGER B. R. , BUDNICK J. I. , YANG D. P. , FILIPKOWSKI M. 
Published: May 2016

AbstractIt is shown that highly oriented samples of the title compound can be prepared by using high pressures during cold‐pressing before sintering.
ChemInform Abstract: Carbon‐Carbon Bond Activation via β‐Alkyl Elimination. Reversible Branching of 1,4‐Pentadienes Catalyzed by Scandocene Hydride Derivatives.
Authors: BUNEL E. , BURGER B. J. , BERCAW J. E. 
Published: May 2016

AbstractThe dimeric scandocene hydride complex (II) can be obtained from the readily prepared derivative (I).
ChemInform Abstract: Stereoselective Synthesis of Unsaturated Oxetanes.
Authors: FEIGENBAUM A. , PETE J.‐P. , POQUET‐DHIMANE A.‐L. 
Published: May 2016

AbstractPhotolytic cycloaddition reaction of tetramethylethylene (I), cyclohexene (IV), and furan (VI) with the ynone (II) produces the oxetanes (III), (V), or (VII) and (VIII).
ChemInform Abstract: Unusual Changes in Hyperfine Coupling Constants Observed for Copper(II) Complexes with N,N‐Bis(benzimidazol‐2‐ylmethyl)amine and Its Homologues; X‐Ray Crystal Structure Determinations of (CuLiPr(NO3)(MeOH))NO3, (CuLtBu(NO3)(MeOH))NO3, (CuLBu(NO3))NO3, and (CuLiBu(NO3))NO3.
Authors: NISHIDA Y. , TAKAHASHI K. 
Published: May 2016

AbstractCrystal structures of the Cu(II) complexes (I)‐(IV) ((I), (III), (IV): space group Pbca, Z = 8; (II): P21/c, Z=4) are determined by X‐ray diffraction methods.
ChemInform Abstract: Copper(II) Complexes of Thieno(2,3‐d)pyrimidine Derivatives.
Authors: YAKOVIDIS I. , VARVOUNIS G. , HADJILIADIS N. 
Published: May 2016

AbstractOn the basis of their IR, electronic, ESR and 1H NMR spectroscopic characterization, molar conductivity values and magnetic susceptibilities, the structures of the 1:2 and 1:1 complexes (I) and (II) are discussed.
ChemInform Abstract: Reaction of Tetraalkyl Diamidofluorophosphites with Carbon Tetrachloride.
Authors: KOIDAN G. N. , OLEINIK V. A. , MARCHENKO A. P. , PINCHUK A. M. 
Published: May 2016

AbstractReaction of tetramethylphosphorodiamidous fluoride (Ia) with carbon tetrachloride (II) gives the phosphonium salts (III), (IV), and (Va).
ChemInform Abstract: The Formation of a Cu(II)‐Amikacin Complex and Its Biological Activity and Uses. Indirect Estimation of Amikacin by Atomic Absorption Spectroscopy (AAS).
Authors: ABU‐EL‐WAFA S. M. , EL‐RIES M. A. , ISSA R. M. 
Published: May 2016

AbstractA mixture of the ligand with KOH in water reacts with CuSO4 to give a 1:1 complex which contains three water molecules coordinated to the central Cu(II) ion.
ChemInform Abstract: Pentacoordinated Molecules. Part 72. Mononuclear and Tetranuclear Diorganotin(IV) Carboxylates from the Reaction of Dimethyltin Oxide with Anthranilic Acid and Its p‐Amino Isomer.
Authors: CHANDRASEKHAR V. , DAY R. O. , HOLMES J. M. , HOLMES R. R. 
Published: May 2016

AbstractCondensation reactions between dimethyltin oxide and the respective carboxylic acids in a 1:1 or 1:2 mole ratio in refluxing benzene or benzene/ethanol lead to the tetranuclear oxo derivatives (I) and (II), and to the mononuclear dicarboxylato complex (III), respectively.
ChemInform Abstract: Silicoaluminophosphates with the Sodalite Structure.
Authors: HASHA D. , SIERRA DE SALDARRIAGA L. , SALDARRIAGA C. , HATHAWAY P. E. , COX D. F. , DAVIS M. E. 
Published: May 2016

AbstractFive molecular sieves with framework compositions spanning the range from aluminophosphate through silicoaluminophosphates to sodalite (aluminosilicate) are synthesized and it is shown that all five materials possess the same framework structure, that being the sodalite structure.
ChemInform Abstract: Peculiarities of the Structure of the Novel Tetrameric Oxonitro Complex (Pt4O3(NO2)9)5‐ with Platinum Atoms of Different Oxidation Numbers.
Authors: KOZ'MIN P. A. , LAPKIN V. V. , SHUBOCHKIN L. K. , SURAZHSKAYA M. D. , SHUBOCHKINA E. F. , LARINA T. B. 
Published: May 2016

AbstractThermolysis of K2(Pt(NO2)4) at 325 °C followed by aqueous work‐up affords the intermediary compound K5(Pt4O3(NO2)9)·3 H2O. An X‐ray analysis of a single crystal reveals that this compound belongs to the space group P1 with Z=2.
ChemInform Abstract: Enthalpies of Formation of the Monofluorolanthanide Complexes
Authors: GRANT P. M. , BAISDEN P. A. , KINARD W. F. , TORRES R. A. 
Published: May 2016

Abstract, MF2+ (M: Y, La, Pr, Nd, Sm‐Lu), are measured in aqueous solution at 25 °C at an ionic strength of 1.0 M by titration calorimetry.
ChemInform Abstract: The Bubble Electrode, a New Electrode for the Combination of Voltammetry, Electrolysis, and ESR Spectrometry.
Authors: BAGCHI R. N. , BOND A. M. , SCHOLZ F. , STOESSER R. + 
Published: May 2016

AbstractA novel Three‐electrode cell with a bubble working electrode is described, which allows simultaneous electrochemistry and ESR spectroscopy in a flow‐through system under conditions where each of the voltammetric, electrolysis and ESR measurements can be made under close to ideal conditions.
ChemInform Abstract: Crystal Growth, IR and Raman Spectra, Thermal Decomposition and Magnetic Properties of KLn(CrO4)2 (Ln: Pr, Nd, Sm).
Authors: BUENO I. , GARCIA O. , PARADA C. , SAEZ PUCHE R. 
Published: May 2016

AbstractSingle crystals of the title compounds are prepared by hydrothermal synthesis from the oxides Pr6O11, Nd2O3, and Sm2O3, resp., and K2Cr2O7 at 150 °C in sealed tubes.
ChemInform Abstract: Relative Ineffectiveness of Longicyclic Three‐Ribbon Interactions in Dications. Rearrangement Products of Benzobarrelene Dications: An MNDO and Experimental Study.
Authors: SCHOETZ K. + , CLARK T. , VON RAGUE SCHLEYER P. 
Published: May 2016

AbstractIn order to elucidate the structure of the benzobarrelene dication, substituted derivatives such as (I) or (III) are protonated in magic acid.
ChemInform Abstract: A New Synthesis of Imines via Grignard and Cuprate Additions to N‐Trimethylsilylformamides.
Authors: FERINGA B. L. , JANSEN J. F. G. A. 
Published: May 2016

AbstractReaction of the Grignard reagents (I) with the N‐trimethylsilylformamides (II) yields the imines (III) which are reduced with lithium aluminum hydride, forming the amines (IV).
ChemInform Abstract: Electrochemical Dimerization of 9‐Acetylanthracene.
Authors: GUL'TYAI V. P. , RUBINSKAYA T. YA. , MENDKOVICH A. S. , RUSAKOV A. I. 
Published: May 2016

AbstractThe main product in the electrolytic reduction of 9‐acetylanthracene (I) is the dimer (II).
ChemInform Abstract: Stereoselective Synthesis of cis and trans Four‐Membered Cyclic Nitrones.
Authors: VAN EIJK P. J. S. S. , OVERKEMPE C. , TROMPENAARS W. P. , REINHOUDT D. N. , MANNINEN L. M. , VAN HUMMEL G. J. , HARKEMA S. 
Published: May 2016

AbstractNitroalkenes such as (I) or (IV) which are representative examples react with ynamines such as (II) by ring contraction of the primarily formed 6‐membered intermediates to give four‐membered cyclic nitrones such as (III) or V. A 1:1‐mixture of the diastereomers (VIIa) and (VIIb) is obtained from the reaction of the nitroalkene (VI) with (IIa); from the nitroalkene (VIII) and the ynamine (IIa) the product (IX) (no yield given) is formed.