bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Lipase Catalyzed Enantioselective Hydrolysis of 2‐Methyl‐3‐acetoxy Esters.
Authors: AKITA H. , MATSUKURA H. , OISHI T. 
Published: May 2016

AbstractThe racemic syn‐ and anti‐β‐acetoxycarboxylates (I) are treated with lipase, yielding the hydroxy compounds (II) and regaining the isomers (2R,3R)‐(I) and (2S,3R)‐(I) respectively.
ChemInform Abstract: High Temperature Process Limitation on TiSi2.
Authors: TING C. Y. , D'HEURLE F. M. , IYER S. S. , FRYER P. M. 
Published: May 2016

AbstractAn increase in sheet resistance and surface and interface roughening is observed, when thin TiSi2 films, formed on single‐crystal silicon, or polysilicon, are annealed in He or N2 at temp. of 900 °C or higher.
ChemInform Abstract: Review and Chemical Thermodynamic Representation of .ltbbrac.U1‐zCezO2.+‐.x.rtbbrac. and .ltbbrac.U1‐zLnzO2.+‐.x.rtbbrac.; Ln: Y, La, Nd, Gd
Authors: LINDEMER T. B. , BRYNESTAD J. 
Published: May 2016

AbstractReview: (interpretation of the data base for the dependence of the nonstoichiometry, x, on temp. and chemical potential of oxygen in the title phases.
ChemInform Abstract: EXAFS Studies on the Origin of Highly Catalytic Activity in Nickel Y Zeolite.
Authors: SANO M. , MARUO T. , YAMATERA H. , SUZUKI M. , SAITO Y. 
Published: May 2016

AbstractStructural changes around the Ni atom occurring during NaOH treatment, calcination and reduction of Ni incorporated in zeolite Y have been investigated by EXAFS.
ChemInform Abstract: Stereochemistry and Bonding of the Tris(benzene)tricobalt Dicarbonyl Monocation, (Co3(η6‐C6H6)3(μ3‐CO)2)+: A Comparative Analysis of Its 48‐Electron Co3(CO)2 Core with the 46‐Electron Co3(CO)2 Core of Co3(η5‐C5Me5)3(μ3‐CO)2 and Resulting Electronic Implications.
Authors: OLSON W. L. , DAHL L. F. 
Published: May 2016

AbstractA structural‐bonding analysis of the cationic title complex (I), prepared by a literature method and isolated as its BPh4 salt, is performed in order to provide an operational test that the corresponding cluster Co3(η5‐C5Me5)3(μ3‐CO)2 (A) whose common Co3(CO)2 core contains two fewer valence electrons, has greater metal‐metal bonding character.
ChemInform Abstract: Diastereoselective Synthesis of Chiral Secondary Amines with Two Chiral Centers Directly Attached to the Nitrogen Atom.
Authors: ELEVELD M. B. , HOGEVEEN H. , SCHUDDE E. P. 
Published: May 2016

AbstractThe ketones (I) react with the sterically defined amine (II) to give the imines (III) which are hydrogenated to yield a mixture of the diastereomeric secondary amines (IV) and (V) with the amines (IV) predominating.
ChemInform Abstract: High Pressure (4 + 2) Cycloaddition Reactions of 3,4‐Dimethoxyfuran with Dichloromaleic Anhydride and with Cyclopropane Derivatives.
Authors: MATSUMOTO K. , IKEMI Y. , HASHIMOTO S. , LEE H. S. , OKAMOTO Y. 
Published: May 2016

Abstract3,4‐Dimethoxyfuran undergoes a cycloaddition reaction with dichloromaleic anhydride (II) under high pressure to give the adduct (III) which rearranges to yield (IV).
ChemInform Abstract: Thermolysis of Model Compounds for Coal. Part 5. Enhancement of Free‐Radical Chain Rearrangement, Cyclization, and Hydrogenolysis During Thermolysis of Surface‐Immobilized Bibenzyl: Implications for Coal Chemistry.
Authors: BUCHANAN A. C. III , DUNSTAN T. D. J. , DOUGLAS E. C. , POUTSMA M. L. 
Published: May 2016

AbstractIn order to explore the effects of restricted mobility on a multi‐pathway free radical reaction, the thermolysis of surface‐immobilized bibenzyl (VII) is compared with earlier studies of the thermolysis of the fluid compound (I).
ChemInform Abstract: Kinetic and Mechanistic Aspects of the Application of Diethyl Malonate as Proton Source During Protonation of Anion Radicals in N,N‐Dimethylformamide.
Authors: NIELSEN M. F. , PORAT Z. , EGGERT H. , HAMMERICH O. 
Published: May 2016

AbstractFrom the rather complicated rate law for the protonation of the anion radicals (I) by the title ester in its keto (II) or (more strongly acidic) enol form (III) it is concluded that the acceleration of the reaction is caused by catalysis of the keto‐enol tautomerism by the added base (V).
ChemInform Abstract: Activation of Reducing Agents. Sodium Hydride Containing Complex Reducing Agents. Part 24. Beneficial Effect of Me3SiCl on the Reducing Properties of NiCRA.
Authors: FORT Y. , VANDERESSE R. , CAUBERE P. 
Published: May 2016

AbstractThe reactivity of the complex reducing agent NiCRA (sodium hydride, anhydrous nickel acetate, and tert‐amyl alcohol), is improved by addition of trimethylchlorosilane.
ChemInform Abstract: Synthesis of α‐Amino Ketone Hydrochlorides via Chemoselective Hydrogenation of α‐Nitro Ketones.
Authors: TAMURA R. , ODA D. , KUROKAWA H. 
Published: May 2016

AbstractThe α‐nitro ketones (I) are reduced to yield the corresponding amino ketones (II) in the presence of a platinum sulfide catalyst.
ChemInform Abstract: Regio‐ and Stereochemistry of Bromochlorinations of Alkynes with Molecular Bromine Chloride and Dichlorobromate(1‐) Ion.
Authors: NEGORO T. , IKEDA Y. 
Published: May 2016

AbstractThe bromochlorination of the acetylenes (I) using the reagents (IV) or (VIII) can occur in a regiospecific or non‐regiospecific as well as in a stereospecific or non‐stereospecific manner.
ChemInform Abstract: Reaction of Na Salts of Hydroxypyrimidines with α,ω‐Dihaloalkanes. Part 3. Reaction of Na Salts of Some Aminohydroxypyrimidines and 5,5‐Diethylbarbituric Acid with α,ω‐Dihaloalkanes.
Authors: SALIKHOV I. SH. , REZNIK V. S. , SHVETSOV YU. S. , SHAGIDULLIN R. R. JUN. 
Published: May 2016

AbstractThe hydroxypyrimidine sodium salts (II), (VII), and (IX) react with the α,ω‐dihaloalkanes (I) to give the alkylation products (III) ‐ (VI), (VIII), or (X) and (XI).
ChemInform Abstract: The Use of Lithium Borohydride for Deprotecting Acetylated Alcohols and Phenols in the Presence of N‐Acetylated Guanidines.
Authors: HUBER D. , LECLERC G. , ANDERMANN G. 
Published: May 2016

AbstractThe acetates (Ia) and (IIa) are deprotected by lithium borohydride to give the alcohol (Ib) and the phenol (IIb).
ChemInform Abstract: Reactions of tert‐Butoxymethyl Substituted Thiirane with Various Amines.
Authors: ALLAKHVERDIEV M. A. , FARZALIEV V. M. , KHALILOVA A. Z. , IBRAGIMOV N. YU. , SULTANOV YU. M. , CHERKASOVA E. M. 
Published: May 2016

AbstractThe title compound (IV) is prepared as shown.
ChemInform Abstract: Synthesis of Congeners and Prodrugs of the Benzene Maleimide Photoadduct Mitindomide as Potential Antitumor Agents. Part 2.
Authors: DEUTSCH H. M. , GELBAUM L. T. , MCLAUGHLIN M. , FLEISCHMANN T. J. , EARNHART L. L. , HAUGWITZ R. D. , ZALKOW L. H. 
Published: May 2016

AbstractThe diimide antitumor agent mitindomide (Ia) is converted to the alcohol (Ib) or the potential prodrugs (Ic) and (Id) ‐ (If).
ChemInform Abstract: Synthesis of Sterically Hindered Indolines and ESR‐Spectra of Their Stable Nitroxyl Radicals.
Authors: ABDRAKHMANOV I. B. , MUSTAFIN A. G. , SADYKOVA R. A. , TOLSTIKOV G. A. 
Published: May 2016

AbstractThe sterically hindered indolines (II) and their isomers (III) are prepared from the methylbutenylanilines (I) by cyclization with polyphosphoric acid.
ChemInform Abstract: 1,3‐Dithiolanes by the Reaction of Geminal Dithiols with Activated Acetylenes.
Authors: DROZD V. N. , VYAZGIN A. S. , KOMAROVA E. N. 
Published: May 2016

AbstractThe reactions between the geminal dithiolates (I) and the activated alkynes (II) afford the 1,3‐dithiolanes (III), which have the trans configuration, as can be deduced from 1H NMR data.
ChemInform Abstract: New Features of Isoxazole Chemistry. The Reaction of Ethyl 4‐Nitro‐3phenylisoxazole‐5‐carboxylate with 2,3‐Dimethylbuta‐1,3‐diene.
Authors: NESI R. , GIOMI D. , PAPALEO S. , QUARTARA L. 
Published: May 2016

AbstractUnlike the diester (Ia), which does not react with the dimethyl butadiene (II), the nitroester (Ib) forms the (2 + 4) cycloadduct (III) and minor amounts of the elimination product (IV).
ChemInform Abstract: Reactions of Organylthiochloroacetylenes with β‐Mercaptoethanol.
Authors: MIRSKOVA A. N. , SERYODKINA S. G. , KALIKHMAN I. D. , VORONKOV M. G. 
Published: May 2016

AbstractMercaptoethanol (III) reacts with the chloroacetylenes (II) to give the β‐hydroxyethylthioacetylenes (IV) or the oxathiolanes (I), depending on the amount of base applied.
ChemInform Abstract: Synthesis and Antifertility Activity of Some New Fluorine Containing 2‐((2‐(Fluoroaryl)‐1H‐indol‐3‐yl)methylene)hydrazinecarbothioamides and 2‐(Fluoroaryl)‐((5‐(substituted benzylidene)‐4‐oxo‐2‐thiazolidinylidene)hydrazone)‐1H‐indole‐3‐carboxaldehydes.
Authors: JOSHI K. C. , PATHAK V. N. , CHATURVEDI R. K. 
Published: May 2016

AbstractThe title compounds (IV) and (VII) are prepared from the 2‐(fluoroaryl)‐1H‐indoles (I) as shown in the reaction scheme.
ChemInform Abstract: Bioisosteric Prototype Design of Biaryl Imidazolyl and Triazolyl Competitive Histamine H2‐Receptor Antagonists.
Authors: LIPINSKI C. A. , LAMATTINA J. L. , OATES P. J. 
Published: May 2016

AbstractThe heterocycles (III) ‐ (VII) are synthesized by known methods.
ChemInform Abstract: Cyclophilic Reactions of Allene‐1,3‐dicarboxylic Esters. Part 5. New Preparations of Quinolones.
Authors: DOAD G. J. S. , JORDIS U. , RUDOLF M. , SAUTER F. , SCHEINMANN F. 
Published: May 2016

AbstractThe esters (I) react with the allene (II) in the presence of a base to afford the title quinolones (III).
ChemInform Abstract: Stereoselective Cycloadditions of Pyridinium or Isoquinolinium Methylides with Olefinic Dipolarophiles and Subsequent Cycloadditions of the Cycloadducts with Nitrile Oxides.
Authors: TSUGE O. , KANEMASA S. , TAKENAKA S. 
Published: May 2016

AbstractThe ylide (II), generated in situ by treatment of (I) with Et3N, reacts with olefins (III) or (VII) to give labile adducts of type (V).
ChemInform Abstract: Derivatives of 3‐Hydroxy Acids: 4‐Oxo‐1,3‐dioxanes and 2‐Oxetanones.
Authors: BATANDIER C. , TAILLANDIER G. , BOUCHERLE A. , WALRANT P. 
Published: May 2016

AbstractThe 4‐oxo‐1,3‐dioxanes (III) and the 2‐oxetanones (V) are prepared from the 3‐hydroxy acids (I) as shown in the reaction scheme.
ChemInform Abstract: Pyrimidines. Part 2. Synthesis of Imidazo(1,2‐a)‐ and Pyrimido(1,2‐a)pyrimidinediones.
Authors: ABARCA B. , JIMENEZ M. , JONES G. , SORIANO C. 
Published: May 2016

AbstractReaction of the pyrimidines (I) with the amides (II) yields mixtures of the N‐ and O‐alkylated products (III) and (IV).
ChemInform Abstract: New Reaction of Functionally Substituted Silyl Nitronates.
Authors: DANILENKO V. M. , IOFFE S. L. , STRELENKO YU. A. , TARTAKOVSKII V. A. 
Published: May 2016

AbstractThe dimethyl nitroalkylsuccinates (I) react with trimethylsilyl chloride (II) to give the maleates (IV) via the nitronates (III).
ChemInform Abstract: Unhindered Phosphaalkenes and Phosphaalkynes in Stable Condition from a Vacuum Multistep Sequence.
Authors: PELLERIN B. , DENIS J.‐M. , PERROCHEAU J. , CARRIE R. 
Published: May 2016

AbstractThe pyrolysis of the dichlorophosphines (I), yielding the phosphaalkynes (II), is investigated; intermediates such as (III) are proposed.
ChemInform Abstract: Anodic Synthesis of Trifluorophosphoranes.
Authors: NIKITIN E. V. , PARAKIN O. V. , IGNAT'EV YU. A. , ROMAKHIN A. S. , MIRONOV B. S. , KOSACHEV I. P. , ROMANOV G. V. , KARGIN YU. M. , PUDOVIK A. N. 
Published: May 2016

AbstractThe title compounds (III) are obtained by anodic oxidation of the secondary phosphines (I) in the presence of the ammonium fluoride (II).
ChemInform Abstract: Oxidation and Isomerization of Diphosphene.
Authors: CAMINADE A. M. , KHATIB F. E. , ADES C. , VERRIER M. , PAILLOUS N. , KOENIG M. 
Published: May 2016

AbstractThe anti‐diphosphene (I) is oxidized by triplet oxygen (II) to give a mixture of the phosphine oxides (III) and (IV) and the hydroxy benzophosphole oxide (V).
ChemInform Abstract: Stereochemistry and Mechanism of the Wittig Reaction. Diastereomeric Reaction Intermediates and Analysis of the Reaction Course.
Authors: MARYANOFF B. E. , REITZ A. B. , MUTTER M. S. , INNERS R. R. , ALMOND H. R. JUN. , WHITTLE R. R. , OLOFSON R. A. 
Published: May 2016

AbstractIndividual diastereoisomeric 1,2‐oxaphosphetanes such as (III) and (IV) have been directly observed in the Wittig olefination reaction by use of high‐field NMR spectroscopy at low temp., permitting detailed evaluation of these intermediates.
ChemInform Abstract: Regioselective Phosphoranylation and Cyclodehydration of Triols with Diethoxytriphenylphosphorane.
Authors: KELLY J. W. , EVANS S. A. JUN. 
Published: May 2016

AbstractDiethoxytriphenylphosphorane (II) selectively diphosphorylates the vicinal diol functional group in 1,2,4‐triols affording thermodynamically stable 2,2,2‐triphenyl‐1,3,2‐dioxaphospholanes.
ChemInform Abstract: Acid Chlorides of Phosphorus, Containing Adamantane.
Authors: NO B. I. , ZOTOV YU. L. , KAREV V. N. , SHISHKIN E. V. 
Published: May 2016

AbstractReaction of the adamantyl‐substituted pyrocatechol (I) with PCl3 leads to the formation of the cyclic chlorophosphite (II).
ChemInform Abstract: 1H‐1,3‐Azaphospholes. New Phospha Aromatic Compounds.
Authors: HEINICKE J. 
Published: May 2016

AbstractThe aminoethylphosphines (II) are coupled with the iminocarboxylates (I) to form the intermediates (III) which are converted to the 1,3‐azaphospholines (IV).
ChemInform Abstract: Fluorine Directed Lithiation in Tricarbonylarenechromium(0) Complexes: The Regiospecific Synthesis of Polysubstituted Arenes.
Authors: GILDAY J. P. , WIDDOWSON D. A. 
Published: May 2016

AbstractChromium carbonyl complexes of fluoromethoxybenzenes such as (I) undergo lithiation, electrophilic quenching and nucleophilic substitution to produce complexed polysubstituted arenes such as (V) or (VII).
ChemInform Abstract: The Oxidation of Bis(salicylhydrazonato)manganese(II) to Bis(salicylhydrazonato)peroxymanganese(IV)monopyridine and Bis(salicylhydrazonato)oxomanganese(IV)monopyridine.
Authors: TIRANT M. , SMITH T. D. 
Published: May 2016

AbstractThe Mn(II) compound (I) in DMF containing Py takes up O2 to form the peroxy Mn(IV) complex (II), while oxidation of (I) with iodosobenzene leads to the formation of the oxo complex (III).
ChemInform Abstract: New Type of Atropisomerism in Metal Complexes. Preparation and Resolution of (3,4‐Diacetyl‐2,5‐hexanedionato)bis((2,2′,2′′‐triaminotriethylamine)cobalt(III)) Ion.
Authors: NAKANO Y. , YOSHIKAWA Y. , KONDO H. 
Published: May 2016

AbstractStarting from carbonato‐(2,2',2''‐triaminotriethylamine)‐Co(III) perchlorate, the title complex is prepared by 2:1 molar reaction of the in HCl generated aquo derivative with 3,4‐diacetyl‐2,5‐hexanedione, and isolated as its perchlorate (I).
ChemInform Abstract: Synthesis, Structural‐Bonding Magnetic Study, and 1H NMR Analysis of the Temperature‐Dependent Singlet‐Triplet Solution Equilibrium of the 46‐Electron Tricobalt Tris(pentamethylcyclopentadienyl) Dicarbonyl, Co3(η5‐C5Me5)3(μ3‐CO)2: An Isolobal Analogue of the Elusive Antiaromatic Cyclopropenyl Monoanion.
Authors: OLSON W. L. , STACY A. M. , DAHL L. F. 
Published: May 2016

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

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

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

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

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

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

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

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

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

Abstract19F and 121Sb NMR results for the intercalation compounds demonstrate that the intercalated fluorine‐containing ensembles show a behavior different from that expected for a simple MF6‐/MF3 (M: Sb, As) mixture.
ChemInform Abstract: The Effect of Titanium and Sodium in Alumina on Its Acidic and Catalytic Properties.
Authors: JIRATOVA K. , ROCEK J. 
Published: May 2016

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

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

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

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

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

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

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

AbstractAcid‐base and redox chemistry of the title compounds is investigated.
ChemInform Abstract: Facile and Efficient Syntheses of Carboxylic Anhydrides and Amides Using (Trimethylsilyl)ethoxyacetylene.
Authors: KITA Y. , AKAI S. , AJIMURA N. , YOSHIGI M. , TSUGOHSI T. , YASUDA H. , TAMURA Y. 
Published: May 2016

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

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

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

AbstractThe heterogeneous reaction between (I) and HCl at ‐63 °C indicates that initial protonation of the p‐nitrogen in the pyrazine ring takes place.