bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Synthesis and Characterization of (μ‐Hydroxo)bis(μ‐acetato)diiron(II) and (μ‐Oxo)bis(μ‐acetato)diiron(III) 1,4,7‐Trimethyl‐1,4,7‐triazacyclononane Complexes as Models for Binuclear Iron Centers in Biology; Properties of the Mixed Valence Diiron(II,III) Species.
Authors: HARTMAN J. R. , RARDIN R. L. , CHAUDHURI P. , POHL K. , WIEGHARDT K. , NUBER B. , WEISS J. , PAPAEFTHYMIOU G. C. , FRANKEL R. B. , LIPPARD S. J.
Published: May 2016

The title complexes are synthesized and investigated by X‐ray crystallography.
ChemInform Abstract: Synthesis, X‐Ray Diffraction Structure, Magnetic Properties, and MO Analysis of a Binuclear (μ‐Tetrathiooxalato)copper(II) Complex, (AsPh4)2((C3OS4)CuC2S4Cu(C3OS4)).
Authors: VICENTE R. , RIBAS J. , ALVAREZ S. , SEGUI A. , SOLANS X. , VERDAGUER M.
Published: May 2016

The first Cu(II) binuclear complex (IV) with a C2S4 bridge is prepared as shown starting with (I) and contains two products of hydrolysis of (I) (no yield given).
ChemInform Abstract: Syntheses and Phosphorus‐31 NMR Studies of Five‐Coordinate Platinum(II) Complexes of Tris(2‐(diphenylphosphino)ethyl)phosphine and Monodentate Phosphorus Ligands.
Authors: BRUEGGELLER P. +
Published: May 2016

Replacement of the chloride in the chloro complex (III) by the monophosphorus ligands (IV) leads to the trigonal‐bipyramidal complexes (V).
ChemInform Abstract: Synthesis of Dyes from 1‐Amino‐2,4‐dichloroanthraquinone.
Authors: KRASKA J. , BLUS K.
Published: May 2016

The synthesis of aminodichloroanthraquinone (II) from the aminoanthraquinone (I) by chlorination is optimized.
ChemInform Abstract: Ptaquiloside (I), a Potent Carcinogen Isolated from Bracken Fern Pteridium aquilinum var. latiusculum: Structure Elucidation Based on Chemical and Spectral Evidence, and Reactions with Amino Acids, Nucleosides, and Nucleotides.
Authors: OJIKA M. , WAKAMATSU K. , NIWA H. , YAMADA K.
Published: May 2016

The structure (I) for the title compound is elucidated on the basis of chemical and spectral evidences.
ChemInform Abstract: A Novel and Stereospecific Synthesis of (5R,6S)‐6‐(Aminomethyl)‐2‐ (ethylthio)penemcarboxylic Acid.
Authors: WELCH W. M. , GUARINO K. J. C.
Published: May 2016

The title compound (IX) is prepared from the 1,1‐dioxopenicillanate (I) as shown in the reaction scheme.
ChemInform Abstract: Antineoplastic Agents. Part 130. Isolation, Structure, and Synthesis of Combretastatin A‐2, A‐3, and B‐2.
Authors: PETTIT G. R. , SINGH S. B.
Published: May 2016

Further investigation of the South African tree Combretum caffrum for murine P‐388 lymphocytic leukemia (PS system) cell‐growth inhibitory substances leads to the discovery of three new active constituents designated combretastatins A‐2 (IIIa), A‐3 (IIIc) and B‐2 (VII).
ChemInform Abstract: Intermetallic Compound Phase Formation in Pd + Cu Alloy Powders.
Authors: MALLAT T. , PETRO J.
Published: May 2016

Pd + Cu alloy powders containing 0‐80 at.% Cu are prepared by coprecipitation of the hydroxides, followed by hydrogen reduction at about 100 °C and their phase structure is studied using the electrochemical polarization method.
ChemInform Abstract: Ammonia Synthesis Over a Supported Iron Catalyst Prepared from an Amorphous Iron‐Zirconium Precursor. Part 2. Surface Morphological Changes During the Genesis of the Catalyst.
Authors: SCHLOEGL R. + , WIESENDANGER R. , BAIKER A.
Published: May 2016

Amorphous Fe91Zr9, when exposed to NH3 synthesis conditions, undergoes drastic changes in the bulk and surface structure finally leading to an active ammonia synthesis catalyst.
ChemInform Abstract: Photocatalytic Dimerization of Olefins by Decatungstate(VI), (W10O32)4‐, in Acetonitrile and Magnetic Resonance Studies of Photoreduced Species.
Authors: YAMASE T. , USAMI T.
Published: May 2016

UV photolysis of a solution containing (NBu4)4(W10O32) and olefins in MeCN results in the dimerization of the olefins via abstraction of an allyl hydrogen and up to two electron reduction of the decatungstate.
ChemInform Abstract: New Ternary Alkali Metal Hydroxides, MLi2(OH)3 with M: K, Rb, Cs, and a Cesium Dilithium Amide, CsLi2(NH2)3. Structural Relations to the BaNiO3 Type and to LiOH.
Authors: JACOBS H. , SCHARDEY A. , HARBRECHT B.
Published: May 2016

In the systems MOH/LiOH only compounds of the composition MLi2(OH)3 are detected.
ChemInform Abstract: Mesomorphic State of Cyclotetradecane
Authors: DROTLOFF H. , ROTTER H. , EMEIS D. , MOELLER M. +
Published: May 2016

(thermal transition 7 K below the melting point (56.2 °C) from low‐temp.
ChemInform Abstract: Photochemistry of 3‐ and 4‐Nitrophenyl Azides: Detection and Characterization of Reactive Intermediates.
Authors: LIANG T.‐Y. , SCHUSTER G. B.
Published: May 2016

Irradiation of the title azides initiates a complex series of reactions that lead to different products depending on the details of the experiment (irradiation in different solvents and in the presence of amines, O2, or 4‐nitronitrosobenzene).
ChemInform Abstract: 1‐Methyl‐1‐cyclohexyl Cations. Equilibria in Search of Structures.
Authors: KIRCHEN R. P. , RANGANAYAKULU K. , SORENSEN T. S.
Published: May 2016

By four independent criteria, one of these being a remarkably large new equilibrium isotope effect, it is shown that the title cation exists in a populated equilibrium of two different structures both having chair conformation.
ChemInform Abstract: Use of the Electrophilic Arylation Reaction of Aryl‐Lead Triacetates in a Synthesis of (.+‐.)‐Lycoramine (XIV).
Authors: ACKLAND D. J. , PINHEY J. T.
Published: May 2016

The quaternary carbon center of the alkaloid (XIV) is formed by the novel arylation of isomers (I) and (II) with the aryl‐lead triacetate (III).
ChemInform Abstract: A Two‐Step Hydroformylation of Alkynes.
Authors: CAMPI E. , FITZMAURICE N. J. , JACKSON W. R. , PERLMUTTER P. , SMALLRIDGE A. J.
Published: May 2016

Hydrocyanation of the alkynes (I) catalyzed by nickel(0) and subsequent reduction of the substituted acrylonitriles (III) with diisobutylaluminum hydride yield the α,β‐unsaturated aldehydes (IV).
ChemInform Abstract: Protection of Alcohols as Their (p‐Methoxybenzyloxy)methyl Ethers.
Authors: KOZIKOWSKI A. P. , WU J.‐P.
Published: May 2016

p‐Methoxybenzyl chloromethyl ether (IV) is prepared from the alkoxide (I) via the intermediate sulfide (III).
ChemInform Abstract: One‐Pot Synthesis of p‐Polyphenyls via the Intramolecular Cyclization of 3‐Dimethylaminohex‐5‐en‐1‐ynes.
Authors: UNROE M. R. , REINHARDT B. A.
Published: May 2016

The p‐polyphenyls (IV) are prepared in a one‐pot three‐step sequence by alkylation of the p‐bis(2‐dimethylamino‐1‐propynyl)arenes (II) with the 1‐aryl‐2‐propenyl bromides (I) followed by base‐catalyzed Stevens rearrangement and thermal cyclization.
ChemInform Abstract: Oxiranyl β‐Aminovinyl Ketones. Part 1. Synthesis of Oxiranyl β‐Dialkylaminovinyl Ketones from Acetyloxiranes and Acid Amide Acetals.
Authors: STASEVICH G. Z. , BUDEL' O. N. , TISHCHENKO I. G. , KUDREVATYKH M. V.
Published: May 2016

The acetyloxiranes (I) are coupled with the acid amide acetals (II) to give the title compounds (III).
ChemInform Abstract: A New Approach to Anellated Furans. The Total Synthesis of (.+‐.)‐Euryfuran.
Authors: JANSEN B. J. M. , PEPERZAK R. M. , DE GROOT AE.
Published: May 2016

The unstable adducts (VI) are prepared according to a known procedure from the ketone (I).
ChemInform Abstract: Benzoid‐Quinoid Tautomerism of Azomethines and Their Structural Analogs. Part 15. Synthesis and Properties of 2‐(Aminobenzylidene)‐3(2H)‐ benzo(b)thiophenone Derivatives.
Authors: SHEPELENKO E. N. , BREN' V. A. , ANDREICHIKOVA G. E.
Published: May 2016

The benzothiophenone (I) reacts with the acid chlorides (II) to give the 3‐acyloxybenzothiophenes (III) which forms the aminobenzylidenebenzothiophenones (V) on treatment with the amines (IV).
ChemInform Abstract: Fluorine‐Containing Imines. Part 5. Reactions of Hexafluoroacetone Acyl Imines and Perfluoroalkyl Isocyanates with Methylenebisdimethylamine.
Authors: GAMBARYAN N. P. , DEL'TSOVA D. P. , SAFRONOVA Z. V.
Published: May 2016

Reaction of the acyl imine (I) with the aminal (II) gives the amides (III) ‐ (V) and the oxazoline (VI) or the salt (VII), together with (III) ‐ (VI), depending on the reaction conditions.
ChemInform Abstract: Stereoselectivity of Intramolecular Nitrile Oxide Cycloaddition to Z and E Chiral Alkenes.
Authors: ANNUNZIATA R. , CINQUINI M. , COZZI F. , GENNARI C. , RAIMONDI L.
Published: May 2016

The intramolecular cycloaddition of the nitrile oxides generated in situ by oxidation of the oximes (I) yields the isoxazolines (II) ‐ (V).
ChemInform Abstract: Fusion of Aroylhydrazines with Acids. A New Synthesis of 2,5‐Diaryl‐1,3,4‐oxadiazoles.
Authors: REDDY P. S. N. , REDDY P. P.
Published: May 2016

The title reaction between (I) and (II) yields the desired compounds (III).
ChemInform Abstract: Benzopyrylium Salts. Part 30. Synthesis and Properties of 2‐Benzopyrylium Salts with a 3,5‐Di‐tert‐butyl‐4‐hydroxyphenyl Group in Position 3.
Authors: SHCHERBAKOVA I. V. , UKHIN L. YU. , KOMISSAROV V. N. , KUZNETSOV E. V. , POLYAKOV A. V. , YANOVSKII A. I. , STRUCHKOV YU. T.
Published: May 2016

Friedel‐Crafts reaction of the di‐tert‐butylphenol (II) with the acid chloride (Ia) gives the deoxybenzoin (III), together with the phenol ester (IV).
ChemInform Abstract: Simultaneous Condensation of 2‐Aminopyridine, Aromatic Aldehydes, and Ketones.
Authors: LETUNOV V. I. , SOLDATOVA N. P.
Published: May 2016

Treatment of 2‐aminopyridine (I) with the aromatic aldehydes (II) gives the carbinols (III), the Schiff base (IV), or the molecular complex (V) from (IIIc) and (IV), depending on the reaction conditions.
ChemInform Abstract: Reaction of 3H‐Oxazolo(4,5‐b)pyridine‐2‐thione with Amines.
Authors: DAVIDKOV K. , SIMOV D. , KALCHEVA V.
Published: May 2016

The oxazolopyridinethione (II) reacts with the primary amines (Ia) and (Ib) or diethylamine (Ic) to give the thioureas (III) from which the compounds (IIIb) are cyclized on treatment with a solution of silver nitrate in ammonia, producing the aminooxazolopyridines (IVb).
ChemInform Abstract: Synthetic Connections to the Aromatic Directed Metalation Reaction. Iterative ortho Metalation‐Cross Coupling Tactics for the Construction of Polyphenyls.
Authors: CHENG W. , SNIECKUS V.
Published: May 2016

Various o‐metalation and cross‐coupling reactions via phenylboronic acids such as (I) and (IX) are performed to produce polyaryl derivatives.
ChemInform Abstract: Cyclization of N‐Alkylazinium Cations with Bifunctional Nucleophiles. Part 24. Synthesis of Fused 1,2,4‐Triazino‐ and 1,2,4‐Oxadiazino‐(5,6‐b)quinoxaline Systems.
Authors: NAUMOVA L. M. , CHARUSHIN V. N. , CHUPAKHIN O. N.
Published: May 2016

The adduct (III) of N‐methylquinoxalinium iodide (I) and diethylamine (II) reacts with the amidrazones (IV) to form the triazinoquinoxalines (V).
ChemInform Abstract: Stereoselective Synthesis and α‐Lithiation of 1‐Alkoxy Polyenes.
Authors: MCDOUGAL P. G. , RICO J. G.
Published: May 2016

The 1,4‐dialkoxybutenes (I) undergo base‐catalyzed 1,4‐elimination to give the butadienyl ethers (II).
ChemInform Abstract: 1,2,4,6‐Selenatriazinyl Radicals and Dimers. Preparation and Structural Characterization of 1‐Chloro‐3,5‐diphenyl‐1,2,4,6‐selenatriazine (Ph2C2N3SeCl) and Bis(3,5‐diphenyl‐1,2,4,6‐selenatriazine) ((Ph2C2N3Se)2).
Authors: OAKLEY R. T. , REED R. W. , CORDES A. W. , CRAIG S. L. , GRAHAM J. B.
Published: May 2016

The selenatriazine (V) is prepared according to the scheme.
ChemInform Abstract: Reactions of Ammonium Salts with Butyllithium and with Lithium Hydride: New Routes to Fully Anhydrous Inorganic Lithium Complexes.
Authors: BARR D. , SNAITH R. , WRIGHT D. S. , MULVEY R. E. , WADE K.
Published: May 2016

Simple preparative routes to the complexes (III) are described.
ChemInform Abstract: Complexes with Aromatic Carboxylic Acids. Part 1. Synthesis and Crystal Structure of Zinc Pyromellitate Heptahydrate.
Authors: ROBL CH.
Published: May 2016

The title compound of the formula (I) is prepared from Zn(II) nitrate and tetrasodium pyromellitate in aqueous solution, obtained as single crystals by crystallization in aqueous silica gel and characterized by X‐ray structure analysis (space group P21/n, Z=4).
ChemInform Abstract: Metal‐Metal Bonds Involving Actinoids. Functionalization of Activated C‐H Bonds and Unusual Oligomerization Chemistry Mediated by a Thorium‐Ruthenium Complex.
Authors: STERNAL R. S. , SABAT M. , MARKS T. J.
Published: May 2016

Complex (I) undergoes a rapid reaction with MeCN (no detectable intermediates) to yield (III) (besides the Ru compound (IV)), which crystallizes in the space group P212121 with Z=4.
ChemInform Abstract: Synthesis, Structure, and Fluxional Behaviour of Isomeric Bis(trimethylstannyl)dihydropentalenes.
Authors: USTYNYUK YU. A. , SHESTAKOVA A. K. , CHERTKOV V. A. , ZEMLYANSKY N. N. , BORISOVA I. V. , GUSEV A. I. , TCHUKLANOVA E. B. , CHERNYSHEV E. A.
Published: May 2016

Reaction of the dihydropentalene (I) with an equimolar amount of trimethylstannyldiethylamine (II) leads to the formation of an equilibrating mixture of the monostannylated derivatives (III) and (IV).
ChemInform Abstract: Activation of Triiron Clusters by Electron Transfer. The Pronounced Modulation of ETC Catalysis by Bridging Ligands.
Authors: BOCKMAN T. M. , KOCHI J. K.
Published: May 2016

The series of triiron clusters (I) with bridging caps are all effectively activated by ETC catalysis of ligand substitution.
ChemInform Abstract: Polyhedral Ruthenaborane Chemistry: Preparation, Molecular Structure, and NMR Properties of the Mixed‐Ligand Eleven‐Vertex isocloso‐Type Compound (1,1‐(PMe3)(PPh3)‐closo‐1‐RuB10H8‐2,3‐(OEt)2).
Authors: BOWN M. , FONTAINE X. L. R. , GREENWOOD N. N. , KENNEDY J. D. , THORNTON‐PETT M.
Published: May 2016

Treatment of (Ia) with the more basic ligand PMe3 (II) results in displacement of PPh3 to form the mixed‐ligand title compound (Ib).
ChemInform Abstract: Molecular Chemistry of Bimetallic Clusters on the Basic γ‐Al2O3 Surface: Synthesis, Reactivity, and Catalytic Activity of (H3RuOs3(CO)12)‐(Al) and Related Structures.
Authors: SCOTT J. P. , BUDGE J. R. , RHEINGOLD A. L. , GATES B. C.
Published: May 2016

The bimetallic clusters (III)‐(VI) are synthesized as shown and their reactivities with the basic ‐OH groups on the surface of γ‐Al2O3 are investigated.
ChemInform Abstract: Chemistry of Pyrrole Pigments. Part 73. Synthesis and Structure of 10‐Aryl‐bilatrienes‐abc.
Authors: FALK H. , WOESS H. +
Published: May 2016

The bilin chromophore of the title compounds, e.g. (III), adopts a conformation similar to that of bilatriene‐abc systems.
ChemInform Abstract: An Acyl‐Iminium Ion Cyclization Route to a Novel Conformationally Restricted Dipeptide Mimic: Applications to Angiotensin‐Converting Enzyme Inhibition.
Authors: FLYNN G. A. , GIROUX E. L. , DAGE R. C.
Published: May 2016

The key step in the synthesis of the title compound (VIIIb) is the cyclization of the intermediate (IVa).
ChemInform Abstract: Structural Studies on Bioactive Compounds. Part 7. Design and Synthesis of α‐Substituted Serines (VIII) as Prospective Inhibitors of Serine Hydroxymethyltransferase.
Authors: TENDLER S. J. B. , THREADGILL M. D. , TISDALE M. J.
Published: May 2016

With respect to a possible strategy for cancer chemotherapy by serine HMT inhibition, the novel serine analogues (VIII) and the known Cl2CH‐CO‐NH‐CH(COOH)‐CH2‐OH are tested against K 562 human erythroid leukaemia total cell serine HMT.
ChemInform Abstract: Influence of Nonaqueous Solvents on the Conformation of Blood Group Oligosaccharides.
Authors: YAN Z.‐Y. , RAO B. N. N. , BUSH C. A.
Published: May 2016

NMR and CD results in aqueous solution as well as conformational calculations have suggested that the nonreducing terminal sugar residues of blood group oligosaccharides adopt single, well‐defined conformations which are determined mainly by nonbonded interactions.
ChemInform Abstract: Automated Chemical Synthesis of Long Oligoribonucleotides Using 2′‐O‐Silylated Ribonucleoside 3′‐O‐Phosphoramidites on a Controlled‐Pore Glass Support: Synthesis of a 43‐Nucleotide Sequence Similar to the 3′‐Half Molecule of an Escherichia coli Formylmethionine tRNA.
Authors: USMAN N. , OGILVIE K. K. , JIANG M.‐Y. , CEDERGREN R. J.
Published: May 2016

The synthesis of silyl‐protected ribonucleoside 3'‐O‐phosphoramidites (I), (II) and the preparation of the controlled‐pore glass supports needed for the solid‐phase chemical synthesis of oligoribonucleotides are described.
ChemInform Abstract: Synthesis of Calcimycin (A 23187) Biomimetic Models. Preparation of Spiroacetal Intermediate.
Authors: PRUDHOMME M. , DAUPHIN G. , JEMINET G.
Published: May 2016

The reaction between the pyrroles (I) and the aldehyde (II) represents the starting step in the synthesis of the spiroacetals (III).
ChemInform Abstract: Chemical Analysis of the Ionic Content of Hydrous Iridium Oxide Films.
Authors: PICKUP P. G. , BIRSS V. I.
Published: May 2016

The involvement of H+ (or OH‐), alkali metal, and F‐ ions in the electrochemistry of hydrous iridium oxide during oxide charging and discharging in HF, MX, and MOH solutions is studied by analyzing the ion content of the films and by measuring pH changes in the solution.
ChemInform Abstract: The Electrochemical Behavior of Zircaloy‐4 Electrodes in Acid Iodide Solution
Authors: GARDIAZABAL I. , CORDOVA R. , GOMEZ H. , SCHREBLER R.
Published: May 2016

is studied by potentiostatic and potentiodynamic measurements in order to explain the role played by iodide ion in the electroformation and growth of a protective ZrO2 film at the electrodes.
ChemInform Abstract: Characterization of (SiW12O40)4‐/TiO2 Suspensions and Their Activity in the Evolution of Hydrogen from Water.
Authors: KIWI J. , GRAETZEL M. +
Published: May 2016

When deposited on TiO2, SiW12O404‐ shows catalytic activity in the photoproduction of hydrogen under band gap illumination.
ChemInform Abstract: Thermoanalytical Investigation of the (YBa2)2Cu6Oy Superconductor. Part 1. Reactions Forming the Superconductor and Its Phase Changes.
Authors: OZAWA T. , NEGISHI A. , TAKAHASHI Y. , SAKAMOTO R. , IHARA H.
Published: May 2016

The formation processes and phase changes of the title superconductor, starting from the oxalates of Y, Ba, and Cu, are investigated by TG, DTA, XRD, and high‐temp.
ChemInform Abstract: Preparation and Crystal Structure of (TeBr3)(AuBr4)·0.5 Br2, a Compound with “Bromine of Crystallization”.
Authors: FREIRE‐ERDBRUEGGER C. + , JENTSCH D. , JONES P. G. , SCHWARZMANN E.
Published: May 2016

The title compound, prepared by heating Au, Te, and Br2 in a sealed glass tube to 1600 °C for 7 d, crystallizes in the triclinic system, space group P1, Z=2.
ChemInform Abstract: Electronic Structure and Bonding in Heterometallic Cubane‐Type Clusters Having an Mo2M′2S4 Core (M′: Fe, Co, Ni).
Authors: HARRIS S.
Published: May 2016

MO calculations are carried out for the clusters (I)‐(III).
ChemInform Abstract: The Michael Reaction of O‐Silylated Ketene Acetals with α,β‐Unsaturated Esters Promoted by a Catalytic Amount of Aluminum Triflate.
Authors: MINOWA N. , MUKAIYAMA T.
Published: May 2016

The α,β‐unsaturated esters (I) undergo addition reaction with the O‐silylated ketene acetals (II) in the presence of catalytic amount of aluminum triflate to give the diesters (III).
ChemInform Abstract: Recyclization of 1,4‐Dihydropyridines in an Acidic Medium.
Authors: LUSIS V. K. , MUTSENIETSE D. KH. , DUBUR G. YA.
Published: May 2016

The cyclohexenones (II) and (III) or (IV) are formed on heating the dihydropyridines (I) with HCl, as a result of ring opening and recyclization.
ChemInform Abstract: Continuous Wave Carbon Dioxide Laser‐Driven Oxidation of Tetrafluoroethene with Molecular Oxygen.
Authors: POLA J. , LUDVIK J.
Published: May 2016

Based on kinetics, activation energies and the observed luminescence it is suggsted that the title reaction proceeds as the addition of triplet O2 to the olefinic double bond via a dioxetane intermediate to give COF2 quantitatively.
ChemInform Abstract: Novel Photochemical Reactions of Benzil.
Authors: KIM S. S. , YOON Y. J. , CHO I. H. , SHIM S. C.
Published: May 2016

Irradiation of the title compound (II) yields the unexpected product (I).
ChemInform Abstract: Oxidation of Vicinal Diols to α‐Dicarbonyl Compounds by Trifluoroacetic Anhydride “Activated” Dimethyl Sulfoxide.
Authors: AMON C. M. , BANWELL M. G. , GRAVATT G. L.
Published: May 2016

Oxidation of vicinal diols as (I), (III), or (V) with DMSO/acetic anhydride yields α‐dicarbonyl derivatives either in the diketo‐form such as (VI) or as monoenolic tautomers such as (II) or (IV).
ChemInform Abstract: Lactone Formation in Superacidic Media.
Authors: CARR G. , WHITTAKER D.
Published: May 2016

Whereas (I) forms the lactone (II) (isolable by quenching) (III) does not.
ChemInform Abstract: Synthesis of the Highly Cardioselective β‐Sympathicolytic Pacrinolol.
Authors: STACHE U. , FRITSCH W. , FEHLHABER H.‐W.
Published: May 2016

Enantiomerically pure pacrinolol is prepared from p‐hydroxyacetophenone (I).
ChemInform Abstract: Palladium(II) Chloride‐Catalyzed Carbonylation of Organic Tellurides with Carbon Monoxide.
Authors: OHE K. , TAKAHASHI H. , UEMURA S. , SUGITA N.
Published: May 2016

The organic tellurides (III) react with carbon monoxide (IV) in the presence of catalytic amounts of PdCl2 and reoxidizing CuCl2 to produce the methyl carboxylates (V).
ChemInform Abstract: Asymmetric Synthesis of 1,1,2‐ and 1,2‐Substituted Dihydronaphthalenes via a Chiral Naphthyl Imine.
Authors: MEYERS A. I. , BROWN J. D. , LAUCHER D.
Published: May 2016

The chiral imine (‐)‐(III), derived from the aldehyde (I), reacts with the organolithium compounds (IV) to give intermediate adducts which are stereoselectively methylated or protonated and hydrolyzed to form the aldehydes (VI) or (VIII).
ChemInform Abstract: Synthesis and Transannular Diels‐Alder Reaction of a cis‐trans‐trans 13‐Membered Macrocyclic Trienone.
Authors: BAETTIG K. , DALLAIRE C. , PITTELOUD R. , DESLONGCHAMPS P.
Published: May 2016

Cyclization of the ω‐chloroalkadienonecarboxylate (II), prepared from (I), yields the macrocyclic ether (III) and the keto diene (IV).
ChemInform Abstract: Reactions of Pyrazolones with Trithiazyltrichloride.
Authors: LEWANDOWSKY E. , DOMSCHKE G. , MAYER R.
Published: May 2016

The reaction of the title compound (II) with the pyrazolone (Ia) yields the products (III), (IV) and (Va).
ChemInform Abstract: Chemical Synthesis of Phenylbutazone Hydroperoxide and Investigation of the Drug for Cardiac Action Under in vitro and in vivo Conditions.
Authors: MENTZ P. , SCHULZ M. , KLUGE R.
Published: May 2016

The hydroperoxide (II) of phenylbutazone (I) is prepared in pure form.
ChemInform Abstract: New N‐Aryl‐2,3‐pyridinedicarboximides: A Chemical and Pharmacological Study.
Authors: BACHA C. , FERREIRA I. , LOISEAU P. , SCHAPOVAL E. , TARAYRE J.‐P. , WOLF C.
Published: May 2016

Heating of 2,3‐pyridinedicarboxylic acid anhydride (I) with the (hetero)aromatic amines (II) yields the dicarboximides (III).
ChemInform Abstract: Synthesis of 1,3‐Dioxin‐4‐ones and Their Use in Synthesis. Part 15. Photocycloaddition, Methylation, and Catalytic Reduction of Chiral Spirocyclic 1,3‐Dioxin‐4‐ones: Different Stereofacial Selectivity and Its Explanation.
Authors: SATO M. , TAKAYAMA K. , FURUYA T. , INUKAI N. , KANEKO C.
Published: May 2016

Reaction of menthone (I) with the dioxinone (II) gives the chiral spirocyclic dioxacyclohexenones (III) and (IV).
ChemInform Abstract: Formation of Tetrahydropyrrolo(1,2‐c)pyrimidines in the Reaction of Acetylene with Piperidin‐4‐one Oximes.
Authors: PROSTAKOV N. S. , VARLAMOV A. V. , BORISOVA T. N. , SERGEEVA N. D.
Published: May 2016

The oxime (I) reacts with acetylene (II) in the system KOH/DMSO to yield the tetrahydropyrrolopyrimidine (IV) via the intermediate pyrrolopyridine (III).
ChemInform Abstract: Studies of Heterocyclic Compounds. Part 10. The Synthesis and Properties of Some Organotin(IV)‐Oxygen and ‐Nitrogen Heterocycles.
Authors: OBAFEMI C. A. , EJENAVI A. B. , KOLAWOLE D. O. , OLOKE J. K.
Published: May 2016

Some representative six‐membered title compounds (I)‐(III) are prepared by the condensation of dialkyltin oxides with hydroxycarboxylic acids, substituted aminocarboxylic acids and a Schiff base in benzene and characterized by IR and mass spectra.
ChemInform Abstract: A Comparison of the Efficiencies of Polymer‐Supported Phosphine and Phosphine Oxide Complexes of Manganese(II), MnX2(Pol‐C6H4PPh2) and MnX2(Pol‐C6H4P(O)Ph2)n (n: 2 or 4; X: Cl, Br, or I), for the Absorption of Sulfur Dioxide.
Authors: BOOTH B. L. , LI K.‐S. , MCAULIFFE C. A.
Published: May 2016

The title complexes absorb SO2 either when suspended in a mixture of toluene and dichloromethane (60:40) or in the solid state.
ChemInform Abstract: Evidence for Differing Ion‐Pair Precursor Structures in the Oxidation of Cobalt(II) Amine Derivatives by (Co(edta))‐.
Authors: LAPPIN A. G. , MARUSAK R. A. , OSVATH P.
Published: May 2016

Oxidation of racemic (Ia) by optically active Δ‐(II) results in formation of an enantiomeric excess around 10% of Λ‐(Ib), a ΔΛ interaction at 25 °C. This chiral induction is attributed to stereoselectivity in the formation of the ion‐pair precursor to electron transfer since the ion‐pair formed between the isostructural complexes (Ib) and (II) also shows a ΔΛ preference.
ChemInform Abstract: Binuclear Copper(I) Complexes of a 24‐Membered Macrocycle (L1) Derived from 2,5‐Diformylthiophene and 3‐Thiapentane‐1,5‐diamine. Crystal and Molecular Structure of (Cu2L1(NCS)) (ClO4): A Unique Example of a Single End‐to‐End Bridging Thiocyanate Between Copper(I) Atoms.
Authors: LAVERY A. , NELSON S. M. , DREW M. G. B.
Published: May 2016

The title macrocycle (III) can be prepared in a metal‐free non‐template synthesis.
ChemInform Abstract: Synthesis of 8,14‐Epoxides of 19‐Norsteroids.
Authors: PONSOLD K. , SCHOENECKER B. + , SCHUBERT G.
Published: May 2016

8α,14α‐Epoxides can be synthesized by direct oxidation of the corresponding 8(14)‐olefins.
ChemInform Abstract: Chemical, Structural, and Electrical Property Studies on the Fluorination of the 90 K Superconductor YBa2Cu3O6.8.
Authors: WANG H. H. , KINI A. M. , KAO H.‐C. I. , APPELMAN E. H. , THOMPSON A. R. , BOTTO R. E. , CARLSON K. D. , WILLIAMS J. M. , CHEN M. Y. , SCHLUETER J. A. , GATES B. D. , HALLENBECK S. L. , DESPOTES A. M.
Published: May 2016

In an attempt to introduce fluorine into the superconducting YBa2Cu3Ox perovskites by mixing BaF2 with Y2O3, CuO, and BaCO3, 95% of the BaF2 remains unreacted.
ChemInform Abstract: NiO Solubility in Mixed Alkali/Alkaline Earth Carbonates.
Authors: DOYON J. D. , GILBERT T. , DAVIES G. , PAETSCH L.
Published: May 2016

Nickel oxide cathode dissolution in the molten carbonate fuel cell (MCFC) electrolyte is a main problem in fuel cell commercialization.
ChemInform Abstract: Piezoelectric Response to Surface Stress Change of Gold Electrode in Sulfate Aqueous Solutions.
Authors: SEO M. , JIANG X. C. , SATO N.
Published: May 2016

The piezoelectric detection of surface stress change induced by potential modulation is used to investigate the interfacial properties of Au electrodes in sulfate solutions of different pH.
ChemInform Abstract: The Electrochemical Behavior of Some Lead Alloys
Authors: IJOMAH M. N. C.
Published: May 2016

including binary Pb‐Li, Pb‐Sn, Pb‐Sb, and quinary Pb‐(Al, Mg, Sn, Li) has been investigated in 30% H2SO4 using a Hg/HgSO4 reference electrode.
ChemInform Abstract: Syntheses and Properties of Monochalcogenide‐Substituted Hexamolybdenum Halide Clusters.
Authors: EBIHARA M. , TORIUMI K. , SAITO K.
Published: May 2016

The hexamolybdenum clusters (IVa) and (IVb) have been prepared as shown in the scheme.
ChemInform Abstract: Synthesis of γ‐Type CMD from Dense MnCO3.
Authors: TANABE I. , MIYAMOTO N. , NAGAURA T. , HAYASHI N.
Published: May 2016

The synthesis of chemical manganese dioxide (CMD) having a high density and a well‐developed γ‐type crystal structure is achieved by treating dense MnCO3 with an aqueous solution of caustic soda.
ChemInform Abstract: Nucleophilic Substitution in Aromatic Compounds Containing Fluorinated Substituents. Part 10. Reactions of 2,4,6‐Trichloro‐ and 2,6‐Dichloro‐3,5‐bis(trifluoromethylsulfonyl)nitrobenzenes with Nucleophilic Agents.
Authors: BOIKO V. N. , GOGOMAN I. V. , SHCHUPAK G. M. , YAGUPOL'SKII L. M.
Published: May 2016

The chlorine atoms of the title compounds (I) and (XIII) are activated by the neighboring and strongly electrophilic trifluorosulfonyl (Tf) and nitro groups and, hence, are easily accessible to substitution by nucleophiles.
ChemInform Abstract: Construction of Five‐Membered Rings by Michael Addition‐Radical Cyclization.
Authors: CLIVE D. L. J. , BOIVIN T. L. B. , ANGOH A. G.
Published: May 2016

The enamines (I) react with Michael acceptors such as the phenyl vinyl selenides (II) to produce the ketones (III).
ChemInform Abstract: Substituent Effects on the Efficiencies and Regioselectivities of the Di‐π‐methane Rearrangement of Vinyl‐Substituted Bicyclic Systems.
Authors: HEMETSBERGER H. , NOBBE M.
Published: May 2016

The photochemical behavior of the dihydrobenzobarrelenes (I) and the benzonorbornadienes (V) is studied.
ChemInform Abstract: Intramolecular End‐to‐End Reactions of Photoactive Terminal Groups Linked by Polymethylene Chains.
Authors: ASHIKAGA K. , ITO S. , YAMAMOTO M. , NISHIJIMA Y.
Published: May 2016

The photoreaction sensitized by benzophenone leads to dimeric and oligomeric anti‐fused products of intermolecular interaction and to the product (II) of the title reaction via the excited triplet state of the chromophore of (I).
ChemInform Abstract: Homogeneous Catalysis of Mixed‐Metal Systems. Highly Regioselective Hydroformylation‐Amidocarbonylation of a Fluoro Olefin Catalyzed by Co‐Rh Mixed‐Metal Systems. Observation of CoRh(CO)7 Catalysis.
Authors: OJIMA I. , OKABE M. , KATO K. , KWON H. B. , HORVATH I. T.
Published: May 2016

The hydroformylation‐amidocarbonylation of the fluoroolefin (I) with the components (II), (III), and H2 catalyzed by Co(CO)8‐rhodium carbonyl systems (such as that shown in the reaction in the scheme or the species (VII)‐(IX)) proceeds in a highly regioselective manner to give mainly the product (V).
ChemInform Abstract: A Convenient Method of Preparation of the 1,1‐Dimethyl Acetals of 4‐Oxoalkanals from Carboxylic Acid Esters.
Authors: KULINKOVICH O. G. , TISHCHENKO I. G. , SVIRIDOV S. V.
Published: May 2016

The dibromocyclopropane (I) is converted to the lithium derivative (II).
ChemInform Abstract: Cyclopropanation of Allenes by Diazomethane in the Presence of Palladium(II) Compounds.
Authors: ZEFIROV N. S. , LUKIN K. A. , TIMOFEEVA A. YU.
Published: May 2016

The cyclopropanation of the unsymmetrically substituted allenes (Ia), (Ib) and (V) is accomplished by the decomposition of diazomethane (II) in the presence of Pd(II) compounds to yield the methylenecyclopropanes (IIIa), (IIIb) or (VI), which result by cyclopropanation of the less substituted carbon‐carbon double bond of the starting allenes.
ChemInform Abstract: Reduction Products of 3(2H)‐Cinnolinones.
Authors: ZEY R. L.
Published: May 2016

3(2H)‐Cinnolinone (I) is reduced to give the dihydrocinnolinone (II) which is rearranged with sulfuric acid, forming the N‐aminoindolinone (III).
ChemInform Abstract: Formation of Imidazoline Derivatives from Dimethyl (2,2‐Dimethylhydrazino)succinate and Allyl or Phenyl Isothiocyanate.
Authors: BREMANIS G. A. , KEMME A. A. , KALVIN'SH I. YA. , LIEPIN'SH E. E. , LUKEVITS E. , BLEIDELIS YA. YA.
Published: May 2016

Instead of the expected thiosemicarbazides, the imidazoline derivatives (III) and (IV) are formed during the reaction of the hydrazinosuccinate (I) with the isothiocyanates (II).
ChemInform Abstract: Applications of the Fluorinated 1,3‐Dipolar Compounds as Building Blocks of the Heterocycles with Fluorine Groups. Part 11. Synthesis of Trifluoromethyltriazoles from Trifluoroacetohydrazonoyl Bromide.
Authors: TANAKA K. , HONDA O. , MINOGUCHI K. , MITSUHASHI K.
Published: May 2016

Trifluoroacetohydrazonoyl bromide (I) is the precursor of the nitrilimine (II) which undergoes various cycloaddition reactions with dipolarophiles such as the iso(thio)cyanates (III), (VI), (XI), and (XIII), producing azole derivatives.
ChemInform Abstract: Chemistry of Bis‐spiroacetals. Synthesis of the 1,6,8‐Trioxadispiro(4.1.5.3)pentadecane Ring System.
Authors: BAKER R. , BRIMBLE M. A.
Published: May 2016

The conversion of acetals (VI), (VIII) and (XI) (all obtained from (I) via the key step (II) → (V)) to the title system is explored.
ChemInform Abstract: Ligand Exchange and Ligand Coupling via the σ‐Sulfurane Intermediate in the Reaction of Alkyl 2‐Pyridyl Sulfoxide with Grignard Reagents: Convenient Preparation of 2,2′‐Bipyridines.
Authors: OAE S. , KAWAI T. , FURUKAWA N.
Published: May 2016

The substituted methyl 2‐pyridyl sulfoxides (I) react with the Grignard compounds (II) to give the 2,2'‐bipyridines (III).
ChemInform Abstract: Reaction of 5‐(Substituted‐Amino)oxazoles with N‐Phenylmaleimide.
Authors: SHIMADA S.
Published: May 2016

The 5‐aminooxazole (III), prepared from the N‐formyl‐2‐amino nitrile (I) and acetic anhydride (II), undergoes Diels‐Alder addition reaction with N‐phenylmaleimide (IV) to give the tricyclic compound (V).
ChemInform Abstract: Pyrimidines. Part 9. Chlorination of 6‐Trifluoromethyluracil with Phosphorus Oxychloride in the Presence of Trialkylamines.
Authors: GERSHON H. , GREFIG A. T. , CLARKE D. D.
Published: May 2016

Chlorination of 6‐trifluoromethyluracil (I) with phosphorus oxychloride in the presence of the tertiary amines (II) gives mixtures of the dichlorotrifluoromethylpyrimidine (III) and the aminated chlorotrifluoromethylpyrimidines (IV) and (V).
ChemInform Abstract: Adduct Formation between Amines and Liquid Ammonia. Part 47. On the Chichibabin Amination of Pyrimidine and N‐Alkylpyrimidinium Salts Using Liquid Ammonia/Potassium Permanganate.
Authors: BUURMAN D. J. , VAN DER PLAS H. C.
Published: May 2016

Reaction of the pyrimidines (Ib) ‐ (Ie) with potassium amide (II) in liquid ammonia yields the 6‐aminopyrimidines (III).
ChemInform Abstract: Synthesis of Perhydro‐2(1H)‐quinoxalinones and Perhydropyrrolo(1,2‐a)quinoxalin‐4(5H)‐one Derivatives.
Authors: REES D. C.
Published: May 2016

The azabicycloheptanes (I) react with the amino acids (II), (VI), or (IX) under ring expansion, yielding the quinoxalinones (III), (VII), and (VIII), or (X) and (XI).
ChemInform Abstract: Fused v‐Triazoloheterocycles. Part 2. Synthesis of 4H‐v‐Triazolo‐(1,5‐d)(1,3,4)oxadiazin‐4‐ones from the 1‐Aroylamino‐v‐triazole‐5‐carboxylic Acids.
Authors: RODIOS N. A.
Published: May 2016

The triazolylisoimides (I) undergo acidic hydrolysis to give the hydrazides (II).
ChemInform Abstract: Preparation of the First Stable Formylsilane, (Me3Si)3SiCHO, from a Zirconium η2‐Silaacyl Complex.
Authors: ELSNER F. H. , WOO H.‐G. , TILLEY T. D.
Published: May 2016

Treatment of the η2‐silaacyl‐Zr complex (III), obtained according to the scheme, with anhydrous HCl (IV) gas yields the wanted title compound (V) and the zirconocene dichloride (VI).
ChemInform Abstract: Retrodienic Reactions. Part 2. Vinyl‐ and Propenylphosphines: Synthesis by Flash Vacuum Thermolysis and Characterization.
Authors: LASNE M.‐C. , RIPOLL J.‐L. , THUILLIER A.
Published: May 2016

The Diels‐Alder reaction of phosphonates (I), (VIII) and (XII) with dienes (II), (IX) and (XIII) yields adducts such as (III), (X) and (XIV).
ChemInform Abstract: Synthesis of the Unsymmetrical Diselenanes CF3SeSeCF2Cl and CF3SeSeCH3.
Authors: GOMBLER W. , BOLLMANN G.
Published: May 2016

The unsymmetrical diselenanes (III) and (VI) are prepared as shown in the reaction scheme.
ChemInform Abstract: Regioselective Oxyselenenylation.
Authors: TORU T. , YAMADA Y. , MAEKAWA E. , UENO Y.
Published: May 2016

2‐Hydroxy‐ or 2‐methoxymercurials (II) which are obtained in a known manner from the corresponding olefins (I) react with the selenenyl derivatives (III) to produce the selenenyl compounds (IV).
ChemInform Abstract: The Structure of the Diazonium Coupling Products of Phenacyl Thiocyanate and Phenacyl Selenocyanate with Diazotized 3‐Phenyl‐5‐aminopyrazole.
Authors: FARAG A. M. , FAHMI A. A. , ABDELHAMID A. O. , SHAWALI A. S. , ALGHARIB M. S.
Published: May 2016

The pyrazolediazonium salt (I) reacts with phenacyl thiocyanate (IIa) or phenacyl selenocyanate (IIb) to give the pyrazolylthia‐ and ‐selenadiazoles (IV) via the intermediate hydrazones (III).
ChemInform Abstract: Highly Reduced Organometallics. Part 20. The First General Synthetic Route to Zerovalent Titanium Carbonyls. Synthesis and Properties of Ti(CO)5(Me2PCH2CH2PMe2).
Authors: CHI K. M. , FRERICHS S. R. , STEIN B. K. , BLACKBURN D. W. , ELLIS J. E.
Published: May 2016

The title complex (V) is prepared according to the scheme and characterized by IR, 1H, 31P, and 13C NMR spectroscopy.
ChemInform Abstract: Synthesis and Reactions of d0 Imido Aryl Derivatives of Chromium, Molybdenum, and Tungsten. Crystal Structures of Cr(NtBu)2(C6H2Me3‐2,4,6)2, Mo(NtBu)2(C6H3Me2‐2,6)2, and Cr(NtBu)2(C(C6H2Me3‐2,4,6)=NtBu)(C6H2Me3‐2,4,6).
Authors: SULLIVAN A. C. , WILKINSON G. , MOTEVALLI M. , HURSTHOUSE M. B.
Published: May 2016

The imido aryl complexes (III) are prepared and characterized by the crystal structure determinations of (IIIa) (space group P21/n, Z=4) and (IIIb) (space group Pbca, Z = 8).
ChemInform Abstract: Nickel‐Iridium Carbonyl Clusters. Synthesis and Solid‐State Structure of the Trianion (Ir3Ni6(μ‐CO)6(μ3‐CO)2(CO)9)3‐. The First Example of a Mixed Iridium‐Nickel Carbonyl Cluster.
Authors: DELLA PERGOLA R. , GARLASCHELLI L. , DEMARTIN F. , MANASSERO M. , MASCIOCCHI N. , LONGONI G.
Published: May 2016

The title trianion is formed by reacting a large excess of Ni(CO)4 with Na(Ir(CO)4) at 60 °C in THF and isolated as the tetra‐n‐propylammonium salt (Ia).
ChemInform Abstract: Chemistry of Enol Ethers. Part 80. Heptadienedial Derivatives in the Synthesis of Tetracarbocyanine Dyes.
Authors: MAKIN S. M. , KRUGLIKOVA R. I. , SHAVRYGINA O. A. , KOLOBOVA T. P. , KHARITONOVA O. V.
Published: May 2016

The condensation reaction between the alkoxyheptadienedial acetals (II) or the alkoxyheptadial derivative (IV) and the quaternary ammonium iodides (I), (VI), (VIII) or (X) affords the tetracarbocyanine dyes (III), (V), (VII), (IX) or (XI).
ChemInform Abstract: Bicyclo(2.2.1)heptane as Cyclopentane Precursor. Synthesis of Benzhydropentalenes en Route to Terpenoids.
Authors: ROY S. S. , GHOSH S.
Published: May 2016

The transformation of the bicycloheptane derivative (IIIa), prepared from the compounds (I) + (II), to two cyclopentanoid derivatives (VIII) and (XIII) is described.
ChemInform Abstract: Synthesis of 1‐Aminocyclopropenecarboxylic Acid: The Unsaturated Analogue of ACC.
Authors: WHEELER T. N. , RAY J.
Published: May 2016

The unsaturated analogue (XIII) of ACC is prepared from the bissilylacetylene (I) and dimethyl diazomalonate (II) in nine steps.
ChemInform Abstract: A Mild Novel Synthesis of Simple 1‐Oxo‐β‐carbolines.
Authors: JOKELA R. , LOUNASMAA M.
Published: May 2016

A new route using very mild reaction conditions is described for the transformation of the indoloquinolizidines (IV) to the tetrahydro‐β‐carboline derivatives (V).
ChemInform Abstract: Prostanoids. Part 21. Synthesis of α‐Penta‐nor‐benzo Analogues of Prostaglandins.
Authors: MIFTAKHOV M. S. , AKBUTINA F. A. , TOLSTIKOV A. G. , ANPILOGOV A. P. , TOLSTIKOV G. A.
Published: May 2016

Ozonolysis of indene (I) under controlled conditions yields the acid (II), which is converted to its methyl ester (IV).
ChemInform Abstract: Synthesis of rac‐ and ent‐Fridamycin E.
Authors: KROHN K. , BALTUS W.
Published: May 2016

Racemic fridamycin ((±)‐(VII)) is prepared from the esters (Va) or (Vb) which, in turn, are available from the compounds (I) and (II) or (I) and (VI), respectively.
ChemInform Abstract: Electrochemical Characteristics of Amorphous Titanium Carbide Films Produced by Low‐Temperature Metal‐Organic Chemical Vapor Deposition (MOCVD).
Authors: ALLOCA C. M. , WILLIAMS W. S. , KALOYEROS A. E.
Published: May 2016

A comparative potentiodynamic study is carried out for amorphous TiC films prepared by either electron beam vaporization (EBV) or by MOCVD using Ti(bipy)3 or (Me3CCH2)4Ti and for bulk polycrystalline TiC.
ChemInform Abstract: Laser‐Induced Optical Emission Studies of Eu3+ Sites in Polycrystalline Powders of Monoclinic and Body‐Centered Cubic Eu2O3.
Authors: SHENG K. C. , KORENOWSKI G. M.
Published: May 2016

For polycrystalline powders of monoclinic Eu2O3, the f‐f emission spectrum is found to result from three distinct Eu3+ sites of Cs site symmetry (5D0 → 7FJ for J = 0, 1, 2).
ChemInform Abstract: Structure and Magnetic Properties of Two Niobium Chlorides with /Nb6Cl12/n+ (n = 2, 3) Units: KLuNb6Cl18 and LuNb6Cl18.
Authors: IHMAINE S. , PERRIN C. , PENA O. , SERGENT M.
Published: May 2016

The isotypic title chlorides, obtained from stoichiometric portions of KCl, LuCl3, NbCl5, and Nb at 800 °C or of LuCl3, NbCl5, and Nb at 750 °C crystallize in the rhombohedral system, space group R3, Z=1.
ChemInform Abstract: Energy Transfer in the System Ca3La2W2O12: Mn, Nd, Yb.
Authors: HIRRLE R. , KEMMLER‐SACK S.
Published: May 2016

On coactivation of Ca3La2W2O12 with Mn4+ and Nd3+ or Mn4+ and Yb3+, resp., an energy transfer Mn4+ → Nd3+ or Mn4+ → Yb3+ is observed for the first time.
ChemInform Abstract: The Lithium Sodium Silicide Li3NaSi6 and the Formation of allo‐Silicon.
Authors: VON SCHNERING H. G. , SCHWARZ M. , NESPER R.
Published: May 2016

Metallic grey Li3NaSi6, the long‐searched‐for starting material for the preparation of (metastable) allo‐Si, is obtained by heating stoichiometric amounts of the elements.
ChemInform Abstract: A New Synthetic Route for Monoclinic Silver(I,III) Oxide (AgO), Single Crystal Preparation and X‐Ray Crystallographic Analysis.
Authors: JANSEN M. , FISCHER P.
Published: May 2016

An electrochemical method to prepare monoclinic AgO has been developed.
ChemInform Abstract: Synthesis and Crystal Structure of K4Au6S5 ‐ A Thioaurate with Anionic (Au6S5) Groups.
Authors: KLEPP K. O. , BRONGER W.
Published: May 2016

Green‐yellow crystals of the title compound are prepared by reaction of K2S with Au and S (2:6:3, 600 °C, a few days, cooling rate 2 °C/h).
ChemInform Abstract: An “Unsuccessful” Synthesis: On K4Li(IO6) (I) and K5I2(AuO2) (II).
Authors: HOPPE R. , SCHNEIDER J.
Published: May 2016

In an attempt to synthesize K4Li(IO5) by heating mixtures of K2O and LiIO3 (2.2:1, sealed Au‐tube, 700 °C, 30 d), single crystals of the new periodate (I) and (II) are obtained by disproportion.
ChemInform Abstract: Effects of Ion Aggregation on the Intervalence Transfer Band of the Mixed‐Valence Biferrocenium Cation in Solution.
Authors: LOWERY M. D. , HAMMACK W. S. , DRICKAMER H. G. , HENDRICKSON D. N.
Published: May 2016

From the concentration dependence of the energy of the intervalence transfer (IT) electronic absorption band of mixed‐valence biferrocenium triiodide examined in either nitrobenzene or CH2Cl2 it is concluded that in the 0.24‐24 mM concentration range the IT band contour in nitrobenzene is likely a superposition of variable amounts of two IT bands, one for an ion‐paired cation and the other for a non‐ion‐paired cation.
ChemInform Abstract: Bis(trifluoromethyl)sulfine, (CF3)2C=SO: Addition Reactions with Thiols, Amine N‐Oxides, Ethers, and 1,3‐Dipoles.
Authors: SCHWAB M. , SUNDERMEYER W.
Published: May 2016

The sulfine (I) reacts with the thiols (II) via the sulfinic acid S‐esters (III) as intermediates to give the disulfanes (IV).
ChemInform Abstract: Multi‐Step Inverse Diels‐Alder Reactions of 1,3‐Dimethyl‐2‐methyleneimidazolidine with Methyl 2,4‐Hexadienoates.
Authors: HEUSCHMANN M.
Published: May 2016

The imidazolidine (I) and ester (II) form reversibly diastereomeric cycloadducts (V), which slowly rearrange reversibly to give (VI) and (VII), and Michael adducts (III), (IV), and (VIII).
ChemInform Abstract: A Lewis Acid‐Catalyzed Procedure for the Conversion of 2‐Methoxyethoxymethyl Ethers to Carboxylic Esters.
Authors: GROSS R. S. , WATT D. S.
Published: May 2016

The 2‐methoxyethoxymethyl ethers (I) are selectively cleaved with acetic anhydride (II) in the presence of ferric chloride, producing the acetates (III).
ChemInform Abstract: Magnesium‐Anthracene Systems. Part 4. Dehalogenation of Geminal Dihalocyclopropanes, α,α‐Dichlorocyclobutanones, and Haloketones by Means of Magnesium Anthracene·3 THF.
Authors: BOGDANOVIC B. , SCHLICHTE K. , WESTEPPE U.
Published: May 2016

The dichlorocyclopropane (I) reacts with the title compound (II) to yield the products of dehalogenation (III) and (IV) and of alkylation (V) and (VI) together with a variety of other compounds.
ChemInform Abstract: A Facile Method for the Fluorine Substitution of Phenylthio Group via Sulfonium Salts Using Cesium Fluoride.
Authors: ICHIKAWA J. , SUGIMOTO K. , SONODA T. , KOBAYASHI H.
Published: May 2016

The benzyl thioethers (I) react with methyl fluorosulfate (II) and cesium fluoride (IV) to give benzyl fluoride (V) via the intermediate sulfonium salts (III).
ChemInform Abstract: Carbon‐Carbon Bond‐Forming Reactions of Zinc Homoenolate of Esters. A Novel Three‐Carbon Nucleophile with General Synthetic Utility.
Authors: NAKAMURA E. , AOKI S. , SEKIYA K. , OSHINO H. , KUWAJIMA I.
Published: May 2016

Reaction of the siloxycyclopropanes (I) with ZnCl2 (II) yields the zinc homoenolates (III), which in the presence of suitable catalysts and additives undergo a variety of carbon‐carbon bond‐forming reactions to give the products of conjugate addition (VI), SN2'‐allylation (VIII), arylation (XI), catalytic homo‐Reformatsky reaction (XIII) or C‐acylation (XV).
ChemInform Abstract: Novel Deuteration via Acetylene Bond Migration.
Authors: TAKANO S. , SEKIGUCHI Y. , SHIMAZAKI Y. , TAKAHASHI M. , OGASAWARA K.
Published: May 2016

The terminal acetylenic alcohol (III), prepared from the oxirane (I) and lithium acetylide (II), is isomerized with potassium tert‐butoxide in DMSO to form the alcohol (IV).
ChemInform Abstract: Synthesis and Reactions of Optically Active 1,3‐Diols.
Authors: ROESSLEIN L. + , TAMM C.
Published: May 2016

The title diols (IX) are prepared starting from the acid (Ia), which in turn is obtained with 70% e.e.
ChemInform Abstract: Anti Stereochemistry in SE′′ Reaction of an Optically Active 2,4‐Dienylsilane.
Authors: HAYASHI T. , MATSUMOTO Y. , ITO Y.
Published: May 2016

The heptadienylsilane (I) reacts with acetyl chloride (II) in the presence of AlCl3 to produce the acetylated compounds (III) and (IV) and the desilylated diene (V).
ChemInform Abstract: Asymmetric Synthesis. Part 4. Enantioselective Synthesis of (R)‐Benzylic Amines via Alkylation of D‐Camphor Ketimine.
Authors: JIANG Y. , LIU G. , LIU J. , ZHOU C.
Published: May 2016

The chiral ketimine (III), prepared from D‐camphor (I) and benzylamine (II), is lithiated and then selectively coupled with the halides (IV) to produce the α‐substituted ketimines (V).
ChemInform Abstract: The Preparation of Tetracyclones via Phase‐Transfer Catalysis and Ultrasonic Irradiation.
Authors: REEVES W. P. , WILLIAMSON B. L.
Published: May 2016

Cyclocondensation of 1,3‐diphenylacetone (I) with the benzils (IIa) (IId) in the presence of potassium hydroxide, a phase‐transfer catalyst and ultrasound produces the tetraphenylcyclopentadienones (IIIa) ‐ (IIId).
ChemInform Abstract: Electrophilic Substitution of Benzofulvenes with Activated Sulfoxides.
Authors: TEUBER D. , HARTKE K.
Published: May 2016

The reaction between the benzofulvenes (I) and the sulfoxides (II) is studied for the first time.
ChemInform Abstract: Synthesis, Purification and Spectral Analysis of Mononitrocyclopenta(cd)pyrenes.
Authors: VAN DEN BRAKEN‐VAN LEERSUM A. M. , SPIJKER N. M. , LUGTENBURG J. , CORNELISSE J.
Published: May 2016

In view of their biological activity, the title compounds (III) and (IX) are prepared by direct nitration or via nitration of partially hydrogenated cyclopentapyrene derivatives with HNO3 (V) or, in the case of (IX), with Cu(NO3)2 (VIII) followed by oxidation.
ChemInform Abstract: A Straightforward‐Synthesis of Allyl Amines from α‐Amino Acids without Racemization.
Authors: MORIWAKE T. , HAMANO S. , SAITO S. , TORII S.
Published: May 2016

The N‐protected amino esters (I) are reductively converted to the aldehydes (II) which are olefinated with methylene iodide (III) and Zn in the presence of trimethylaluminum, yielding the allylic amines (IV).