bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: A Convenient Synthesis of lin‐Benzopurines Through a Common Intermediate.
Authors: LEONARD N. J. , KAZMIERCZAK F. , RYKOWSKI A. 
Published: May 2016

AbstractDimethylbenzimidazole (I) is converted into a mixture of the isomeric 1,3‐oxazinediones (VI) and (VII) as outlined in the reaction scheme.
ChemInform Abstract: Selective N‐Protection of Medium‐Ring Triamines.
Authors: WEISMAN G. R. , VACHON D. J. , JOHNSON V. B. , GRONBECK D. A. 
Published: May 2016

AbstractThe cyclic triamines (Ia) and (IIa) react with DMF dimethyl acetal (III), forming the tricyclic orthoamides (IV).
ChemInform Abstract: Synthesis of Chiral Crown Ethers from (+)‐ and (‐)‐2‐Hydronaphthoin.
Authors: CHENEVERT R. , AMPLEMAN G. 
Published: May 2016

Abstracttrans‐1,2‐Di(2‐naphthyl)ethylene (I), prepared by a Wittig reaction, is converted to the racemic diol hydronaphthoin (IVa) via the trichloroacetate (III).
ChemInform Abstract: Phosphinimines Derived from Phosphole Dimers by the Staudinger Reaction.
Authors: QUIN L. D. , KEGLEVICH G. , CASTER K. C. 
Published: May 2016

AbstractThe dimeric phospholes (I) are treated with phenyl azide (II) to produce the bisphosphinimines (III) which are thermally cleaved, forming the phosphindole derivatives (IV).
ChemInform Abstract: Carbon‐Hydrogen Bond Activation and Carbon‐Carbon Bond Formation in the Reaction Between Ethylene and Hexaisopropoxyditungsten.
Authors: CHISHOLM M. H. , HAMPDEN‐SMITH M. J. 
Published: May 2016

Abstract13C(1H) and 1H NMR spectroscopic studies of the reaction between the title compounds (I) and (II) confirm the formation of the alkylidyne complex (IV) via (III) under mild conditions.
ChemInform Abstract: Identification of Intermediates and Products in the Reaction of Porphyrin Iron(III) Alkyl Complexes with Dioxygen.
Authors: ARASASINGHAM R. D. , BALCH A. L. , LATOS‐GRAZYNSKI L. 
Published: May 2016

Abstract1H NMR studies of the reaction of the title complexes such as (I) with O2 indicate that the oxygenation process proceeds in three steps leading to (II) as the final product via (III) and (IV).
ChemInform Abstract: Polycyclic Compounds. Part 5. Reaction of Aminoanthraquinones with α,β‐Unsaturated Carbonyl Compounds. Synthesis of Disperse Dyes for Polyester.
Authors: AYYANGAR N. R. , LAHOTI R. J. , OTIV S. R. , SRINIVASAN K. V. 
Published: May 2016

AbstractThe aminoanthraquinones (I) undergo cyclocondensation with the methyl ketones (II), producing the pyrido compounds (III) and (IV).
ChemInform Abstract: A General Stereocontrolled Approach to the 5 ‐ 8 Fused Ring System. Application to the Total Synthesis of Marine Natural Product (.+‐.)‐Precapnelladiene.
Authors: MEHTA G. , MURTHY A. N. 
Published: May 2016

AbstractThe tricyclo(6.3.0.0)undecenes (I) are synthesized and transformed into the cis‐bicyclo(6.3.0)undecane‐2.6‐diones (II) via ruthenium‐catalyzed oxidation.
ChemInform Abstract: Amino Acids and Amino Sugars from Bromodeoxyaldonolactones. Part 8.
Authors: BOCK K. , LUNDT I. , PEDERSEN C. 
Published: May 2016

AbstractThe amino sugars (Ic), (IVb), (VII), or (VIII) are synthesized as shown in the scheme starting from the educts (Ia), (IIIa), (Va), or (VI), respectively.
ChemInform Abstract: Enolates of Carbohydrates. Part 6. New Syntheses of Derivatives of 3‐Amino‐2,3,6‐trideoxy‐3‐C‐methyl‐L‐xylo‐hexopyranose, L‐Vancosamine, D‐Rubranitrose, and Precursors of L‐Decilonitrose and D‐Kijanose.
Authors: KLEMER A. , WILBERS H. 
Published: May 2016

AbstractThe uloses L‐(I) are selectively methylated to the products L‐(III) + L(IV).
ChemInform Abstract: The Active Surface Area Increase of Rhodium Electrodes Through Electroreduction of Oxide Layers Produced by Fast Periodic Potentials
Authors: CHIALVO A. C. , TRIACA W. E. , ARVIA A. J. 
Published: May 2016

Abstracthas been investigated at 30 °C by changing systematically the parameters of the perturbing potential including potentiostatic steps.
ChemInform Abstract: Preparation of Mono‐ or Zerovalent Nickel by Single or Successive One‐Electron‐Transfer Steps in the Photoreduction of Silica‐Supported Nickel Catalysts.
Authors: BONNEVIOT L. , CAI F. X. , CHE M. , KERMAREC M. , LEGENDRE O. , LEPETIT C. , OLIVIER D. 
Published: May 2016

AbstractNi2+/SiO2 precursors have been prepared by competitive cation exchange between nickel hexaammine complexes and NH4+ ions on SiO2 and the mild reduction of Ni2+ by UV irradiation in H2 or CO atmosphere has been studied by ferromagnetic resonance, EPR, UV‐VIS, and IR spectroscopy as well as by temp.‐programmed desorption.
ChemInform Abstract: Properties of Boron‐Substituted ZSM‐5 and ZSM‐11 Zeolites.
Authors: COUDURIER G. , AUROUX A. , VEDRINE J. C. , FARLEE R. D. , ABRAMS L. , SHANNON R. D. 
Published: May 2016

AbstractNMR and IR spectroscopic results show that the B‐substituted title zeolites contain four‐coordinated B in the hydrated state and three‐coordinated B in the dehydrated state.
ChemInform Abstract: Preparation and Structure Refinement of (Eu2+ 1,22Eu3+ 0,39Li0,39)S2.
Authors: PALAZZI M. , TOMAS A. 
Published: May 2016

AbstractEuLiS2 has been prepared by heating a mixture of EuS and Li2CO3 at 730 °C in a H2S stream.
ChemInform Abstract: Interconversion of Bicyclooctadienes and Cyclooctatrienes Formed by Intramolecular Photocycloaddition of Phenyl Ketones Containing Remote Double Bonds.
Authors: WAGNER P. J. , NAHM K. 
Published: May 2016

AbstractThe o‐ and p‐alkenoxyacetophenones (I) and (V) on irradiation (313 or 365 nm) undergo a prim. (2 + 2)photocycloaddition to yield bicyclo(4.2.0)octa‐2,4‐dienes (II) and (VI), resp., which at once isomerize thermally to the cyclooctatrienes (III) and (VII), resp., the stability of which depends on substitution (GC chemical yields 70‐100%); (IIId), however, is not detected because of its instabilityprobably due to the gem‐dimethyl substitution.
ChemInform Abstract: Palladium‐Catalyzed Allylic Oxidation of 1‐(p‐Toluenesulfonyl)‐2‐propene and 1‐(Trimethylsilyl)‐1‐(p‐toluenesulfonyl)‐2‐propene.
Authors: MUZART J. , PETE J.‐P. , RIAHI A. 
Published: May 2016

AbstractAllylic oxidation of the allylic sulfone (I) and its trimethylsilyl derivative (III) by t‐BuOOH (IV) or O2/H2O gives the tert‐butyl peroxoether (V), the allylic alcohol (VI), and the aldehyde (VII).
ChemInform Abstract: Cycloheptatriene Furanones and Bicyclo(5.3.0)decatrienone. Unusual Cycloaddition with 4‐Phenyl‐1,2,4‐triazoline‐3,5‐dione (PTAD).
Authors: SABA A. , DE LUCCHI O. 
Published: May 2016

AbstractThe phenyltriazolinedione (II) reacts with the cycloheptatrienofuranones (I) and (IV) to produce the cycloadducts (III) and (V).
ChemInform Abstract: Competitive Electrocyclic Reaction of o‐Quinodimethane: Sequential Electrocyclic‐Double (3,3)Sigmatropic Reactions for the Construction of 4‐Alkylideneisochroman‐3‐ones.
Authors: SHISHIDO K. , KOMATSU H. , FUKUMOTO K. , KAMETANI T. 
Published: May 2016

AbstractThe allyl alkenylbenzocyclobutenylcarboxylates (II), derived from the cyanobenzocyclobutenes (I), undergo rearrangement on thermolysis, producing the isochromanones (III) and (IV), together with the dihydronaphthalenes (V).
ChemInform Abstract: Electroorganic Chemistry. Part 108. A New Method for Regioselective Synthesis of 2‐Substituted 1‐(Methoxycarbonyl)‐1,2‐dihydropyridines.
Authors: SHONO T. , MATSUMURA Y. , ONOMURA O. , YAMADA Y. 
Published: May 2016

AbstractThe 2‐substituted 1‐methoxycarbonylpiperidines (I) are converted to the corresponding dihydropyridines (V) by electrochemical dehydrogenation, followed by bromomethoxylation and elimination of HBr and MeOH.
ChemInform Abstract: Cardiotonic Agents. Part 1. Novel 8‐Aryl‐Substituted Imidazo(1,2‐a)‐ and ‐(1,5‐a)pyridines and Imidazo(1,5‐a)pyridinones as Potential Positive Inotropic Agents.
Authors: DAVEY D. , ERHARDT P. W. , LUMMA W. C. JUN. , WIGGINS J. , SULLIVAN M. , PANG D. , CANTOR E. 
Published: May 2016

AbstractReaction of the phenyl ketones (I) or (V) with imidazole (IIa) or its 2‐methyl derivative (IIb) gives the 5,6‐dihydroimidazopyridines (III) and (VI) respectively.
ChemInform Abstract: Synthesis and Photosensitized Oxygenation of 2,6‐Diaryl‐2,3‐dihydro‐3‐ thiopyridazines.
Authors: NADA A. , ZAYED M. F. , REFAE Z. 
Published: May 2016

AbstractThe tetrahydropyridazinone (III) is obtained by cyclocondensation of the thenoylpropionic acid (I) and phenylhydrazine (II).
ChemInform Abstract: Aromatase Inhibition by 5‐Substituted Pyrimidines and Dihydropyrimidines.
Authors: TAYLOR H. M. , JONES C. D. , DAVENPORT J. D. , HIRSCH K. S. , KRESS T. J. , WEAVER D. 
Published: May 2016

AbstractReaction of 5‐lithio pyrimidine, prepared in situ from the corresponding 5‐bromo derivative (I), with the ketones (II) gives the pyrimidinyl carbinols (III).
ChemInform Abstract: A Facile Synthesis of Pyrrolo(1,2‐a)pyrimidines and Pyrrolo(1,2‐a)imidazoles.
Authors: ROSS J. R. , VISHWAKARMA L. C. , SOWELL J. W. SEN. 
Published: May 2016

AbstractThe acetyl methyl carbinol (II) and the β‐aminopropionate (I) react with the tert‐butyl cyanoacetate (III) to give the pyrrole (IV) which is cyclized using methanesulfonic acid to yield the pyrrolopyrimidine (Va).
ChemInform Abstract: Synthesis and Antiviral Activity of 9‐(4‐Hydroxy‐3‐(hydroxymethyl)but‐ 1‐yl)purines.
Authors: HARNDEN M. R. , JARVEST R. L. , BACON T. H. , BOYD M. R. 
Published: May 2016

AbstractThe bromoacetal (I) is coupled with the chloropurine (II) to produce the key intermediate (III).
ChemInform Abstract: 6‐Methoxy‐2H‐pyran‐3(6H)‐one as a Synthon for the Preparation of Pyranoquinolines, ‐quinazolines, and ‐benzodiazepines. Part 121.
Authors: EIDEN F. , WUENSCH B. + 
Published: May 2016

AbstractCoupling of the furan (I) with the pyranone (II) yields the benzopyranone (IV) via the diastereomers (III).
ChemInform Abstract: Synthesis of Polyfunctionalized Acylsilanes via Propenoyltrimethylsilane.
Authors: RICCI A. , DEGL'INNOCENTI A. , BORSELLI G. , REGINATO G. 
Published: May 2016

AbstractThe N‐ or S‐silyl derivatives (I) are coupled with trimethylsilyl vinyl ketone (II) to produce the α‐silylated silyl enol ethers (III).
ChemInform Abstract: First Stable Selenabenzene Analogue, 2‐Cyano‐1‐methyl‐4‐phenyl‐1‐selenanaphthalene: Synthesis and Reactions.
Authors: HORI M. , KATAOKA T. , SHIMIZU H. , TSUTSUMI K. , IMAOKA S. 
Published: May 2016

AbstractReaction of the phenylselenanaphthylium perchlorate (I) with cyanide, followed by methylation and deprotonation gives the selenanaphthalene (VII) mentioned in the title.
ChemInform Abstract: Crystal Structures and Stereospecific Propylene Polymerizations with Chiral Hafnium Metallocene Catalysts.
Authors: EWEN J. A. , HASPESLAGH L. , ATWOOD J. L. , ZHANG H. 
Published: May 2016

AbstractThe Hf complexes (I) and (II) crystallize in the space group C2/c with Z=4 and are isostructural with the Ti and Zr analogues.
ChemInform Abstract: Synthesis of Organo‐Lead Ynethers.
Authors: PONOMAREV S. V. , KOSTYUK A. S. , LORBERTH J. , LUTSENKO I. F. 
Published: May 2016

AbstractReaction of the alkoxyacetylenes (II) with the plumbylsilazane (I) gives the plumbylethynyl ethers (III).
ChemInform Abstract: Alkyne Cyclizations at Reduced Tantalum Centers: Synthesis and Molecular Structure of (η6‐C6Me6)Ta(O‐2,6‐iPr2C6H3)2Cl.
Authors: BRUCK M. A. , COPENHAVER A. S. , WIGLEY D. E. 
Published: May 2016

Abstract(IIIa) reacts with PCl5 (benzene, 25 °C) to release quantitatively hexamethylbenzene.
ChemInform Abstract: Organodiiron “Electron Reservoir” Complexes Containing a Polyaromatic Ligand: Syntheses, Stabilization, Delocalized Mixed Valences, and Intramolecular Coupling.
Authors: LACOSTE M. , VARRET F. , TOUPET L. , ASTRUC D. 
Published: May 2016

AbstractPolyaromatics can be complexed by reaction with η5‐C5Me5Fe(CO)2Br and Al2Cl6 in the melt or in an inert solvent (110‐140 °C, 2 d) to give the new cations (Ib), (II), and (IIIb) isolated as their PF6 salts in 30‐40% yield.
ChemInform Abstract: A “Clustered Cluster” with a “Pinwheel” Ligand Array. Synthesis and Structure of a Trinuclear Cupracarborane.
Authors: KANG H. C. , DO Y. , KNOBLER C. B. , HAWTHORNE M. F. 
Published: May 2016

AbstractThe "charge‐compensated" carborane (V), generated by deprotonation of the oxidative coupling product (III) of (I) and the Lewis base (II), reacts with anhydrous CuCl to give the novel title cluster (VII).
ChemInform Abstract: Mixed Ruthenium‐Rhodium Trinuclear Complex (Ru2Rh(μ3‐O)(μ‐CH3COO)6(L)3)+ (L: H2O or Pyridine).
Authors: SASAKI Y. , TOKIWA A. , ITO T. 
Published: May 2016

AbstractThe complexes (I) are prepared by refluxing a mixture of RuCl3·3 H2O, RhCl3·3 H2O, and sodium acetate in acetic acid/water or acetic acid/methanol in the absence or presence of pyridine and separation from homometal clusters by chromatography (yields given in mg).
ChemInform Abstract: Porphyrins. Part 22. Synthesis of Porphyrins with Two Cyclopentane Rings.
Authors: PONOMAREV G. V. , SHUL'GA A. M. 
Published: May 2016

AbstractVilsmeyer reaction with the porphyrin (I) takes place at the meso position, producing the Schiff bases (III) and (IV) which cyclize at an elevated temperature to give the cyclopentane derivative (V).
ChemInform Abstract: Reactions of a New Type of Intermediate Formed by Triflate Rearrangement.
Authors: BINKLEY R. W. , SIVIK M. R. 
Published: May 2016

AbstractTreatment of the pyranoside (VIIa), prepared from (I) as outlined in the reaction scheme, with triflic anhydride (VIII) produces the triflate (VIIb).
ChemInform Abstract: The Crystal Structure of Eu3Ga5,
Authors: GRIN YU. N. , YATSENKO S. P. , FEDOROVA E. G. , SABIRZYANOV N. A. , SICHEVICH O. M. , YARMOLYUK YA. P. 
Published: May 2016

Abstractwhich is obtained from the elements by arc melting in argon atmosphere and annealing at 600 °C (400 h), is studied by single crystal XRD.
ChemInform Abstract: Influence of the Degree of Cationic Ordering on the Dielectric Properties of Some Phases of “Tetragonal Tungsten Bronze”‐Type.
Authors: THORET J. , RAVEZ J. 
Published: May 2016

AbstractThe tetragonal tungsten bronze‐type ferroelectric ceramics Sr2KNb5O15, Pb2KNb5O15, Ba2AgNb5O15, and Pb2AgNb5O15 have been annealed at different temp. (550, 760, and 900 °C, 3 months) and the influence of these thermal treatments on the crystal structure, dielectric properties, and Curie temp. TC are described.
ChemInform Abstract: Spectrophotometric Study of Complexation Equilibria Between HCrO‐4 and Cl‐ Ions
Authors: MIRALLES N. , SASTRE A. , AGUILAR M. 
Published: May 2016

Abstracthas been performed at constant ionic strength of 3M. It is suggested that the reaction outlined in the scheme takes place under the experimental conditions used and its reaction constant is determined to be log β11 = 1.37.
ChemInform Abstract: Mechanism of Steel Corrosion in Concentrated NaOH Solutions.
Authors: ZOU J.‐Y. , CHIN D.‐T. 
Published: May 2016

AbstractThe polarization curves of an initially oxide‐free rotating steel (Fe containing 0.08‐0.13% C, 0.3‐0.6% Mn, 0.04% P, 0.05% S) disk electrode have been measured in 1‐19 N NaOH at 25‐80 °C. The soluble corrosion products are identified by the rotating ring‐hemisphere electrode technique.
ChemInform Abstract: Orbital Symmetries and Magnetic Interaction Between Copper(II) Ions and the o‐Semiquinone Radical. Magnetic Studies of (Di‐2‐pyridylamine)(3,5‐di‐tert‐butyl‐o‐semiquinonato)copper(II) Perchlorate and Bis(bis(3,5‐di‐tert‐butyl‐o‐semiquinonato)copper(II)).
Authors: KAHN O. , PRINS R. , REEDIJK J. , THOMPSON J. S. 
Published: May 2016

AbstractMagnetic susceptibility and EPR studies are reported for the two title complexes (I) and (II), whose structures are known.
ChemInform Abstract: Magnetic, Spectroscopic, and Structural Characterization of Singlet ⇌ Quintet Transitions in Iron(II) Complexes of Methyl‐Substituted Pyridinylthiazoles.
Authors: BAKER A. T. , GOODWIN H. A. , RAE A. D. 
Published: May 2016

AbstractThe complexes (I), prepared by direct reaction of hot ethanolic solutions of the ligand and the appropriate metal salt in the molar ratio 3:1, are investigated by variable‐temp.
ChemInform Abstract: Nucleophilic Attacks on Carbon‐Carbon Double Bonds. Part 34. Intramolecular Element Effect in Competitive Expulsion of Two Halide Nucleofuges as a Tool for Investigating the Rapid Step of Nucleophilic Vinylic Substitution.
Authors: AVRAMOVITCH B. , WEYERSTAHL P. , RAPPOPORT Z. 
Published: May 2016

AbstractThe observation of the disubstituted products (IV) or (VII) indicates the competition of mono‐ and disubstitution.
ChemInform Abstract: Reaction of Ynamines with Aromatic Bifunctional Reagents.
Authors: TOLCHINSKII S. E. , KORMER M. V. , MARETINA I. A. , PETROV A. A. 
Published: May 2016

AbstractThe reactions of the enynamines (I) with pyrocatechol (II), o‐aminophenol (IV) or o‐phenylenediamine (VI) proceed regiospecifically at the acetylenic bond to give the heterocycles (III), (V) and (VII).
ChemInform Abstract: Preparation of 1,1,2,3‐Tetrachloropropene ‐ Starting Material for the Production of the Herbicide Triallate.
Authors: TREGER YU. A. , SIROVSKII F. S. , BERLIN E. R. , VELICHKO S. M. , ZANAVESKIN L. N. 
Published: May 2016

AbstractThe dehydrochlorination of the polychloropropanes (I) and (IV) is performed in the laboratory and in pilot plants using continuous or batch processes.
ChemInform Abstract: Hypervalent Iodine Oxidation of p‐Alkoxyphenols and Related Compounds: A General Route to p‐Benzoquinone Monoacetals and Spiro Lactones.
Authors: TAMURA Y. , YAKURA T. , HARUTA J. , KITA Y. 
Published: May 2016

AbstractOxidation of the alkoxyphenols (I) with iodosylbenzene bis(trifluoroacetate) in the presence of alcohols such as methanol (II) produces the p‐benzoquinone monoacetals (III).
ChemInform Abstract: Benzofuran Derivatives. Part 3. On the Reactivities of the Intermediate in Benzofuran Synthesis.
Authors: HORAGUCHI T. , MATSUDA S. , TANEMURA K. , SUZUKI T. 
Published: May 2016

Abstract2‐Acetyl‐4‐nitrophenyloxyacetic acid (Ia) reacts with acetic anhydride under various conditions to give the intermediate (IIa) which is dehydrated and partly decarboxylated to produce the benzofurans (III) and (IV).
ChemInform Abstract: Indole N‐Carbonyl Compounds: Preparation and Coupling of Indole‐1‐carboxylic Acid Anhydride.
Authors: BOGER D. L. , PATEL M. 
Published: May 2016

AbstractIndole (I) is lithiated and then carboxylated to form indole‐N‐carboxylic acid (II) which is treated with 1‐(3‐(dimethylamino)propyl)‐3‐ ethylcarbodiimide hydrochloride, yielding the carboxylic anhydride (III).
ChemInform Abstract: Acetylenic Fragmentation of Acyl Derivatives of Fischer′s Base.
Authors: PRZHIYALGOVSKAYA N. M. , KON'KOV L. I. , TARSHITS D. L. , SALMINA S. V. , SEGIZOVA N. T. , SUVOROV N. N. 
Published: May 2016

AbstractFischer's base (I) reacts with the acyl chlorides (II) to give the enamino ketones (III).
ChemInform Abstract: Studies on Fluoroalkylation and Fluoroalkoxylation. Regioselective Synthesis of Fluoroalkylated Imidazoles.
Authors: CHEN Q.‐Y. , QUI Z.‐M. 
Published: May 2016

AbstractRegioselective fluoroalkylation of sodium imidazolide (I) with the fluoroalkyl iodides and bromides (II) yields the 4‐substituted imidazoles (III).
ChemInform Abstract: 1,3,3‐Trimethylpiperidine as a Substrate for Mercury(II) Dehydrogenations.
Authors: MOEHRLE H. + , CLAAS M. 
Published: May 2016

AbstractOxidation of the trimethylpiperidine (I) with mercury(II) acetate yields a mixture of the carbinolamine (II), the lactam (III), and the tetrahydroanabasine derivative (IV).
ChemInform Abstract: Synthesis of 4‐Substituted 1‐Methyl(benzyl)‐2,5‐dimethyl‐4‐R‐aminopiperidines.
Authors: KUZNETSOV V. V. , GAIVORONSKAYA L. A. , ROMERO R. M. , STASHENKO E. E. , ZAKHAROV P. I. , PROSTAKOV N. S. 
Published: May 2016

AbstractReaction of the Schiff bases (I) with the organometallic compounds (II) yields the piperidinylamines (III).
ChemInform Abstract: A New Method for the Synthesis of Novel 6‐Quinoxalinylpyrazolo(5,1‐c)‐(1,2,4)triazines.
Authors: KURASAWA Y. , SATOH A. , NINOMIYA S. , ARAI H. , ARAI K. , OKAMOTO Y. , TAKADA A. 
Published: May 2016

AbstractThe quinoxaline (I) reacts with the diazonium salt (II) to give the hydrazone (III), together with its tautomer (IV).
ChemInform Abstract: Synthesis of Heterocycles. Part 7. Synthesis and Antimicrobial Activity of Some 7H‐s‐Triazolo(3,4‐b)(1,3,4)thiadiazine and s‐Triazolo(3,4‐b)‐(1,3,4)thiadiazole Derivatives.
Authors: EWEISS N. F. , BAHAJAJ A. A. 
Published: May 2016

AbstractCyclization of the aminotriazolethiones (I) with chloroacetonitrile (II), phenacyl chloride (V), bromocyan (VII), or carbon disulfide (IX) yields the heterobicycles (IV), (VI), (VIII), or (X).
ChemInform Abstract: Intramolecular Cyclization of Ethyl ω‐(5‐Amino‐4‐aminocarbonylimidazol‐ 1‐yl)carboxylates.
Authors: BRIDSON P. K. , MCGOWAN A. , WILSON C. M. , YEH Y. M. 
Published: May 2016

AbstractAminocyanoacetamide (I) reacts consecutively with triethyl orthoformate (II) and the amino esters (III) to give the 3‐alkoxycarbonylalkyl‐5‐ aminoimidazole‐4‐carboxylic amides (IV) which are hydrolyzed, producing the carboxylic acids (V).
ChemInform Abstract: Synthesis and Reactions of Pyrrolo(1,2‐a)(3,1,6)benzothiadiazocines.
Authors: CHEESEMAN G. W. H. , VARCOUNIS G. 
Published: May 2016

AbstractThe pyrrolobenzothiadiazocinone (Va) is prepared by trimethylaluminum‐ induced ring closure of the N‐(2‐aminophenyl)pyrrolyl ethoxycarbonylmethyl sulfide (Id).
ChemInform Abstract: Terpenes and Terpene Derivatives. Part 21. Synthesis of rac‐4,5‐Dihydro‐β‐curcumene‐4,5‐diol.
Authors: WEYERSTAHL P. , MARSCHALL‐WEYERSTAHL H. , SCHOLZ S. 
Published: May 2016

AbstractHydrolysis of the β‐curcumene epoxide (I) affords the title compound (II) as a single homogeneous diastereomer.
ChemInform Abstract: Synthesis and Biological Activity of 5‐(2,2‐Difluorovinyl)‐2′‐deoxyuridine.
Authors: BOBEK M. , KAVAI I. , DE CLERCQ E. 
Published: May 2016

AbstractStarting with the pyrimidine derivative (I), difluorovinyluracil (VI) is synthesized as outlined in the reaction scheme.
ChemInform Abstract: Amino Acids and Peptides. Part 202. Oxytocin Analogues with Non‐Coded Amino Acid Residues in Position 8: (8‐Neopentylglycine)oxytocin and (8‐Cycloleucine)oxytocin.
Authors: HLAVACEK J. , POSPISEK J. , SLANINOVA J. , CHAN W. Y. , HRUBY V. J. 
Published: May 2016

AbstractThe title compounds (Ia) and (Ib) are prepared by a combination of solid‐phase synthesis and fragment condensation.
ChemInform Abstract: 129I Moessbauer Study of Actinide Iodides.
Authors: KARRAKER D. G. 
Published: May 2016

AbstractThI4, UI4, NpI3, and PuI3 have been prepared by reacting the actinide metals with a 20% excess of Hg129I2 at 350‐400 °C and their Moessbauer spectra are recorded at temp. in the range 7‐15 K. Isomer shifts, quadrupole coupling constants and asymmetry parameters are given for all compounds.
ChemInform Abstract: Preparation of Perovskite Type Combustion Catalyst with Large Surface Area by Submicron Grinding.
Authors: TANAKA K. , NISHIDA T. , IMAMURA S. 
Published: May 2016

AbstractThe surface area of a Co/Sm perovskite‐type oxide catalyst can be increased from 3.1 to 30.3 m2/g by submicron grinding.
ChemInform Abstract: Physico‐Chemical Investigation of Compounds Prepared from the Oxides of Zinc, Titanium and the Rare Earth Elements.
Authors: GODZHIEVA O. V. , POROTNIKOV N. V. , PETROV K. I. 
Published: May 2016

AbstractThe novel title compounds, i.e. the ternary oxides M2TiZnO6 (M: Pr to Er, Y) are prepared by heating mixtures of ZnO, M2O3 and TiO2 at 1250‐1350 °C for 100‐300 h. The dielectric title compounds have perovskite structure, as revealed by X‐ray data.
ChemInform Abstract: Synthesis, Crystal and Molecular Structure of Hexabromotechnetium(IV) Acid.
Authors: KRYUCHKOV S. V. , GRIGOR'EV M. S. , KUZINA A. F. , SPITSYN V. I. 
Published: May 2016

AbstractThe title compound, which has the brutto formula (H3O)2(TcBr6), is obtained as a by‐product in the synthesis of polynuclear bromide clusters of technetium.