bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Synthesis of 4‐Amino‐3‐(p‐chlorophenyl)‐5‐(β‐aminoethyl)thioisoxazole.
Authors: DANNHARDT G. , OBERGRUSBERGER I.
Published: May 2016

The dioxime (I) is oxidized with hypochlorite to give the furoxane (II) as the main product.
ChemInform Abstract: Synthesis of Substituted Isoxazolidines from N‐Substituted Hydroxylamines and α,β‐Unsaturated Ketones.
Authors: BEZHAN I. P. , ZELENIN K. N. , SVIRIDOVA L. A. , MOTORINA I. A. , ERSHOV A. YU. , GOLUBEVA G. A. , BUNDEL' YU. G.
Published: May 2016

Methyl vinyl ketone (I) is coupled with phenylhydroxylamine (II) to give the hydroxyaminobutanone (III) and the isoxazolidine (IV).
ChemInform Abstract: Facile Regioselective Synthesis of 2‐Methylfuro(3,2‐c)(1)benzopyran‐4‐one and 2‐Methylfuro(2,3‐c)(1)benzopyran‐4‐one.
Authors: MAJUMDAR K. C. , KHAN A. T. , DAS D. P.
Published: May 2016

The furobenzopyranones (II) and (V) are prepared by various methods.
ChemInform Abstract: Electrochemical Coupling of Halogenated N‐Heteroaromatic Compounds with Carbon Dioxide and Acetone in a Diaphragmless Cell.
Authors: ZYLBER N. , DRUILHE A. , ZYLBER J. , PERICHON J.
Published: May 2016

Bromopyridines such as (I) and chloromethylpyridines such as (IV) are electrochemically coupled with carbon dioxide (II) to give the corresponding carboxylic acids (III) and (V).
ChemInform Abstract: Synthesis and Alkylation of 4,6‐Diphenyl‐3‐thiocarbamoyl‐3,4,5,6‐tetrahydropyridin‐2(1H)‐one and 4,6‐Diphenyl‐3‐thiocarbamoyl‐3,4‐dihydropyridin‐2(1H)‐one.
Authors: KRAUZE A. A. , LIEPIN'SH E. E. , DUBUR G. YA.
Published: May 2016

Chalcone (I) reacts with monothiomalonic diamide (II) to give the hydroxytetrahydropyridinone (III) which is dehydrated, producing the dihydropyridinone (IV).
ChemInform Abstract: A Facile Synthesis of 1,2,3,4‐Tetrahydroisoquinolines Through Cyclization of O,N‐Acetals. Part 2. Syntheses of Isoquinolinequinone Antibiotics.
Authors: SAITO N. , KAWAKAMI N. , YAMADA E. , KUBO A.
Published: May 2016

The amines (I) and (IX) are converted into the tetrahydroisoquinolines (V) and (XI) by reaction with the aldehydes (II) and the alcohols (III) via the unstable N,O‐acetals (IV) and (X).
ChemInform Abstract: Isoacridones and Their Derivatives. Part 1. Salts of 2‐Nitro‐10‐methyl‐3‐acridone.
Authors: KHORTI A. G.
Published: May 2016

The hitherto unknown title compound (VIII) is prepared.
ChemInform Abstract: Synthesis and Benzodiazepine Receptor Affinities of Rigid Analogues of 3‐Carboxy‐β‐carbolines: Demonstration that the Benzodiazepine Receptor Recognizes Preferentially the s‐Cis Conformation of the 3‐Carboxy Group.
Authors: DOREY G. , POISSONNET G. , POTIER M.‐C. , PRADO DE CARVALHO L. , VENAULT P. , CHAPOUTHIER G. , ROSSIER J. , POTIER P. , DODD R. H.
Published: May 2016

The (bromomethyl)indolopyridine (I) reacts with KCN (II) to give the corresponding nitrile which is then hydrogenated and cyclized, forming the lactam (III).
ChemInform Abstract: 1,2‐Dioxolane versus 1,2‐Dioxane Formation in the Cyclization of an α,ω‐Diene Hydroperoxide Under Polar and Free Radical Conditions.
Authors: BLOODWORTH A. J. , CURTIS R. J. , MISTRY N.
Published: May 2016

The mesylate (V), prepared from vinyloxirane (I), reacts with hydrogen peroxide to give 3‐hydroperoxymethylhexa‐1,5‐diene (VI).
ChemInform Abstract: 2,4‐Diamino‐5‐benzylpyrimidines and Analogues as Antibacterial Agents. Part 11. Quinolylmethyl Analogues with Basic Substituents Conveying Specificity.
Authors: DAVIS S. E. , RAUCKMAN B. S. , CHAN J. H. , ROTH B.
Published: May 2016

As key precursors of quinolylmethylpyrimidines such as (XI), the aldehydes (VII) are prepared from the quinolones (I) as outlined in the reaction scheme.
ChemInform Abstract: An Inexpensive, Efficient Synthesis of 1‐Methylxanthine.
Authors: BLACK T. H. , GATTO C.
Published: May 2016

O‐methylisourea hydrochloride (III), generated from cyanamide (I), undergoes cyclocondensation with the cyanoacetate (IV), forming the iminopyrimidinone (V).
ChemInform Abstract: Macrocyclic Polyethers with an Adamantane Moiety.
Authors: CHAIKOVSKAYA A. A. , KUDRYA T. N. , PINCHUK A. M.
Published: May 2016

The hitherto unknown title compounds (III), (V) and (VII) are prepared using the high‐dilution technique.
ChemInform Abstract: A Short and Efficient Preparation of 2‐Trimethylsilylmethyl‐2‐propen‐1‐ol.
Authors: AGNEL G. , MALACRIA M.
Published: May 2016

Propargyl alcohol (I) is converted to the (bromomethyl)dimethylsilyl ether (III) which undergoes radical‐induced cyclization, forming the intermediate oxasilacyclopentane (IV).
ChemInform Abstract: An Efficient Method for Preparation of Trimethylsilylethylene Oxide and Some Other Trimethylsilyloxiranes.
Authors: JANKOWSKI P. , MASNYK M. , WICHA J.
Published: May 2016

The 1‐(trimethylsilyl)alkenes (I) are consecutively treated with NBS in perchloric acid/dioxane and aqueous sodium hydroxide, forming the epoxysilanes (II).
ChemInform Abstract: Lewis Base Properties of 1,5‐Diphosphadithiatetrazocines: Crystal and Molecular Structures of 1,5‐Ph4P2N4S2Me+CF3SO‐ 3.
Authors: CHIVERS T. , DENES G. Y. , LIBLONG S. W. , RICHARDSON J. F.
Published: May 2016

The behavior of the 1,5‐diphosphadithiatetrazocine (I) toward Lewis and Bronsted acids is investigated.
ChemInform Abstract: Synthesis and Nuclear Magnetic Resonance Spectroscopic Properties of Some 5,10‐Dihydrophenophosphazine Derivatives.
Authors: SKOLIMOWSKI J. J. , QUIN L. D. , HUGHES A. N.
Published: May 2016

Diphenylamine (I) reacts with PCl3 (II) to give the phosphazine oxide (IV) after alkaline hydrolysis of the intermediate (III).
ChemInform Abstract: Diarylselenium Trifluoroacetates and Chloro(trifluoroacetates): Preparation and Characterization.
Authors: KHAJURIA R. , SINGH S. , BHASIN K. K. , VERMA R. D.
Published: May 2016

The diarylselenium dichlorides (I) react with silver trifluoroacetate (II) to give the diarylselenium trifluoroacetates (III) or (IV) depending on the ratio of the reactants.
ChemInform Abstract: First Unsymmetrical Donor Which Gives Organic Superconductors: DMET.
Authors: SAITO K. , ISHIKAWA Y. , KIKUCHI K. , IKEMOTO I. , KOBAYASHI K.
Published: May 2016

The title compound (I) crystallizes in the space group P21/c with Z=4.
ChemInform Abstract: Organolanthanoids. Part 16. Organometallic Lanthanoid Compounds. Part 51. Coordination of a Novel Organoytterbium(II) Ligand System with Dimethylplatinum(II); Crystal Structure Analysis of the Resulting Heterobimetallic Complex.
Authors: DEACON G. B. , DIETRICH A. , FORSYTH C. M. , SCHUMANN H.
Published: May 2016

Heterobimetallic complexes are of interest because interaction of their metal centers can lead to unusual catalytic properties, e.g. in the redox catalysis.
ChemInform Abstract: Electron Transfer. Part 100. Iron‐Catalyzed Reduction of Peroxide‐Bound Chromium(IV) with Mercapto Acids.
Authors: GHOSH S. K. , GOULD E. S.
Published: May 2016

The mercapto acids (I) reduce the Cr(IV) complex (II).
ChemInform Abstract: Molybdenum with Hard‐Soft Donor Ligands. Part 2. Molybdenum(VI), ‐(V), and ‐(IV) Oxo Complexes with Tridentate Schiff Base Ligands.
Authors: PUROHIT S. , KOLEY A. P. , PRASAD L. S. , MANOHARAN P. T. , GHOSH S.
Published: May 2016

The polymeric cis‐dioxo‐Mo(VI) complexes (III) prepared as shown can be converted into the polymeric oxo‐Mo(IV) analogues (VI) by oxo abstraction with PPh3.
ChemInform Abstract: Molybdenum Tricarbonyl Complexes of Tricyclic Trisaminomethane Derivatives; Synthesis and Structural Studies.
Authors: VAN KOUWENBERG S. P. , WONG E. H. , WEISMAN G. R. , GABE E. J. , LEE F. L. , JACKSON P.
Published: May 2016

The unusually stable ligands (I) afford the title compounds (III), which are the first transition‐metal complexes of these triaza ligands.
ChemInform Abstract: Monomeric Rhenium(IV) Phenoxides and Their Development from Mononuclear Rhenium Halides with Oxygen and Sulfur Donor Ligands.
Authors: GARDINER I. M. , BRUCK M. A. , WEXLER P. A. , WIGLEY D. E.
Published: May 2016

The homoleptic phenoxide complexes (IIIa) (space group P21/c, Z=4) and (IIIb) are prepared according to the scheme.
ChemInform Abstract: Complexes with an η2‐μ2‐SiO Bridge. Structure of the Bimetallic Cyclic Complex (Fe(CO)3(μ‐Si(OMe)2OMe)(μ‐dppm)PdCl) (Fe‐Pd).
Authors: BRAUNSTEIN P. , KNORR M. , TIRIPICCHIO A. , TIRIPICCHIO‐CAMELLINI M.
Published: May 2016

The diphosphine‐ and O‐Si‐bridged dinuclear complexes (III) are obtained according to the scheme.
ChemInform Abstract: The Synthesis and X‐Ray Crystal Structure of the Monodentate (S) Thiosemicarbazide and Thiosemicarbazone Complexes (Fe(CO)2L(η5‐C5H5))(PF6).
Authors: CAMPBELL M. J. M. , MORRISON E. , ROGERS V. , BAKER P. K. , POVEY D. C. , SMITH G. W.
Published: May 2016

Seven complexes of type (III) and an analogous complex containing the thiosemicarbazide ligand are prepared.
ChemInform Abstract: Novel Chiral Trinuclear and Symmetric Tetranuclear Imidazolate‐Bridged Cobalt(III) Complexes of a Synthetic Analogue of Bleomycin.
Authors: BROWN S. J. , OLMSTEAD M. M. , MASCHARAK P. K.
Published: May 2016

Attempts to synthesize the Co(III) complex of the compound (I), a designed ligand that mimics a major portion of the metal‐chelating locus of the antitumor drug Bleomycin, afford the two novel imidazolate‐bridged trimeric and tetrameric complexes (IIIa) (space group R3, Z=12) and (IIIb) (P4/n, Z=2).
ChemInform Abstract: Oxamidato Complexes. Part 1. A Study of the Formation of Complexes Between Copper(II) and H2pmox (H2pmox: N,N′‐Bis(2‐pyridylmethyl)oxamide). Synthesis, Crystal Structure, and Magnetic Properties of the Alternating‐Chain Compound (Cu2(pmox)(H2pmox)(H2O)2)(NO3)2·8 H2O.
Authors: LLORET F. , JULVE M. , FAUS J. , JOURNAUX Y. , PHILOCHE‐LEVISALLES M. , JEANNIN Y.
Published: May 2016

The complexing of Cu(II) by the title ligand H2L is investigated by potentiometry in aqueous solutions.
ChemInform Abstract: Preparation and Characterization of the Monomeric Copper(II) Siloxide Complex Cu(OSi(OCMe3)3)2(py)2.
Authors: MCMULLEN A. K. , TILLEY T. D. , RHEINGOLD A. L. , GEIB S. J.
Published: May 2016

The monomeric copper(II) siloxide complex (I) (space group P21/n; Z=4) is unusual, since copper(II) alkoxides are generally highly associated and insoluble.
ChemInform Abstract: vic‐Dioximate Complexes of Silver(III).
Authors: KIRSCHENBAUM L. J. , PANDA R. K. , BORISH E. T. , MENTASTI E.
Published: May 2016

The bis‐chelate complexes (I) of Ag(III) are prepared by direct mixing (Ag(OH)4)‐ and the dioxime ligands in alkaline solutions and characterized by UV/VIS spectra.
ChemInform Abstract: Clusters Containing Carbene Ligands. Part 6. The Synthesis of Higher Nuclearity Metal Carbene Cluster Complexes by Carbene Ligand Transfer. The Synthesis and Structures of (Ru4(CO)10(C(Ph)NMe2)(μ4‐S)2) and (Ru4(CO)10(C(Ph)NMe2)(μ4‐S)(μ5‐S)(W(CO)5)).
Authors: ADAMS R. D. , BABIN J. E. , WANG J.‐G.
Published: May 2016

The title complexes (III) and (IV) both crystallize in P21/n with Z=4.
ChemInform Abstract: Synthesis of a Key Intermediate in the Total Synthesis of Insect Antifeedant Clerodanes.
Authors: VADER J. , DODDEMA L. L. , PEPERZAK R. M. , DE GROOT A. , SMITS J. M. M. , BEURSKENS P. T.
Published: May 2016

The aldehyde (XV) is considered as the key intermediate in the synthesis of dihydroclerodin (XVI).
ChemInform Abstract: Epoxidation of 3β‐Acetylamino and 3β‐Hydroxy Derivatives of α‐Murolene.
Authors: RUKAVISHNIKOV A. V. , TKACHEV A. V.
Published: May 2016

It is known that the epoxidation of α‐murolene (I) proceeds with neither regio‐ nor stereoselectively.
ChemInform Abstract: Practical Synthesis of Menthofuran.
Authors: HO T.‐L. , DIN Z. U.
Published: May 2016

The isopulegols (I) are epoxidized and then oxidized with the chlorine pyridine complex to yield the ketone (III).
ChemInform Abstract: 1,3‐Dipolar Cycloaddition of Nitrile Oxides to δ22‐Steroids.
Authors: AKHREM A. A. , KHRIPACH V. A. , LITVINOVSKAYA R. P. , BARANOVSKII A. V. , ZAVADSKAYA M. I. , KHARITONOVICH A. N. , BORISOV E. V. , LAKHVICH F. A.
Published: May 2016

Isoxazoline derivatives of steroids are of considerable synthetic interest because cleavage of the isoxazoline moiety gives way to the formation of functionalized steroids, which may serve as useful synthons in steroid chemistry.
ChemInform Abstract: Synthesis of Hydroxylated 1‐Azabicyclo(3.1.0)hexane and Prolinol Derivatives by Stereo‐ and Regiocontrolled Staudinger Aminocyclization. Application to the Nonproteinogenic Amino Acid (2S,3S,4S)‐3‐Hydroxy‐4‐methylproline (HMP) and Its Enantiomer.
Authors: MULZER J. , BECKER R. , BRUNNER E.
Published: May 2016

On treatment with PPh3 azido epoxides such as (II), derived from the D‐mannitol derivative (I), form enantio‐ and diastereomerically pure 1‐azabicyclo(3.1.0)hexanes such as (III) via a Staudinger type aminocyclization reaction.
ChemInform Abstract: Tributyltin Cyanide, a Novel Reagent for the Stereoselective Preparation of 3‐Amino‐2‐hydroxy Acids via Cyanohydrin Intermediates.
Authors: HERRANZ R. , CASTRO‐PICHEL J. , GARCIA‐LOPEZ T.
Published: May 2016

The reaction of the optically active N‐benzyloxycarbonylamino aldehydes (I) with tributyltin cyanide (II) followed by solvolysis gives a mixture of diastereomeric esters (IV) and (V) with predominance of the threo‐product (IV).
ChemInform Abstract: One‐Step Preparation of D‐Penicillamine from Benzylpenicillin.
Authors: OGAWA T. , TOMISAWA K. , SOTA K.
Published: May 2016

The benzylpenicillin salt (I) reacts with arylamines such as (II) and (V) to give the D‐penicillamine (IV), together with other cleavage products.
ChemInform Abstract: Experimental Modeling of the Priming Mechanism of the Calicheamicin/Esperamicin Antibiotics: Actuation by the Addition of Intramolecular Nucleophiles to the Bridgehead Double Bond.
Authors: HASELTINE J. N. , DANISHEFSKY S. J. , SCHULTE G.
Published: May 2016

Because external standard nucleophiles (thiolate, cyanide, cuprate) surprisingly do not add to the bridgehead double bond in (I) thereby triggering a Bergman cycloaromatization of the enediyne moiety (thought to be an essential step with respect to the biological activities of the title antibiotics towards diseased cells) the epoxy group of (I) is transformed to an intramolecular and properly placed nucleophilic one.
ChemInform Abstract: The Total Synthesis of (‐)‐Cryptosporin.
Authors: GUPTA R. B. , FRANCK R. W.
Published: May 2016

The title compound (IX) is the enantiomer of the natural fungal metabolite which is active against gram‐positive bacteria.
ChemInform Abstract: N‐Azamonobactams. Part 2. Synthesis of Some N‐Iminoacetic Acid and N‐Glycyl Analogues.
Authors: CURRAN W. V. , LENHARD R. H.
Published: May 2016

Coupling of the N‐amino lactams (I) with the glyoxalates (II) gives the imino esters (III).
ChemInform Abstract: Enzymatic Kinetic Resolution of Cyanohydrin Acetates and Its Application to the Synthesis of (S)‐(‐)‐Frontalin.
Authors: OHTA H. , KIMURA Y. , SUGANO Y. , SUGAI T.
Published: May 2016

The enzymatic kinetic resolution of the title acetates, e.g. (±)‐(I), leads to the (S) isomers and the ketones (II) (no yield given), derived from the corresponding (R)‐cyanohydrins.
ChemInform Abstract: New Preparation of α,β‐Unsaturated Esters from 1‐Alkenes via Two Carbon Homologation Route. Synthesis of Queen Substance.
Authors: ISHIBASHI H. , OHNISHI M. , SENDA T. , IKEDA M.
Published: May 2016

The methylsulfinylacetates (I) are treated with trifluoroacetic anhydride (II) to generate the active intermediates (III) which are coupled with the terminal alkenes (IV) under rearrangement, producing the α‐methylthio γ,δ‐unsaturated esters (V).
ChemInform Abstract: Oxidative Cyclization Chemistry Catalyzed by Clavaminate Synthase.
Authors: KROL W. J. , BASAK A. , SALOWE S. P. , TOWNSEND C. A.
Published: May 2016

The first mechanistic studies are reported for the title enzyme, which plays a central role in the biosynthesis of the potent lactamase inhibitor clavulanic acid (III).
ChemInform Abstract: Aspirin Prodrugs: Synthesis and Hydrolysis of 2‐Benzyloxy‐2‐methyl‐4H‐1,3‐benzodioxin‐4‐ones.
Authors: ANKERSEN M. , SENNING A.
Published: May 2016

To overcome the disadvantages joined occasionally with the drug aspirin (V) itself, eleven prodrugs of type (III) are prepared (with X = Y: ‐H, ‐F, ‐Cl and with X: ‐H; Y: ‐Me, ‐F, ‐Cl, ‐CF3, ‐NO2 as well; in these cases no base Et3N is necessary).
ChemInform Abstract: α‐Halo‐α‐nitrocarboxylic Acids and Their Derivatives
Authors: MARTYNOV I. V. , YURTANOV A. I.
Published: May 2016

Review: (196 refs.
ChemInform Abstract: Structure of Bis(tetramethylammonium) Aquadioxotetraperoxodivanadate(V) Dihydrate.
Authors: LAPSHIN A. E. , SMOLIN Y. I. , SHEPELEV Y. F. , GYEPESOVA D. , SCHWENDT P.
Published: May 2016

The peroxovanadate (I), precipitated from aqueous solution, crystallizes in the monoclinic system, space group Cc with Z=4.
ChemInform Abstract: New Aspects of the System Cu‐As‐S.
Authors: KURZ G. , BLACHNIK R.
Published: May 2016

The quasibinary sections Cu2S‐As, As‐Cu3AsS3, Cu3As‐Cu2S, and Cu2S‐As2S3 of the title system are described on the basis of DTA and XRD results.
ChemInform Abstract: Catalytic Effect of Heavy Metal Ions on the SnO2/Aqueous Polyiodide Interface and Its Application to Photoelectrochemical Cells.
Authors: TENNE R. , PEISACH M. , RABE C. A. , PINEDA C. A. , WOLD A.
Published: May 2016

Heavy‐metal aggregates are deposited electrochemically on transparent counter electrodes (TCEs), which are necessary to minimize losses due to mass transport in large surface area photoelectrochemical cells.
ChemInform Abstract: Photoelectrochemical Oxidation of Water at CdS and CdSe Anodes Coated with Composites of Conducting Polymer Containing RuO2.
Authors: GNINGUE D. , HOROWITZ G. , RONCALI J. , GARNIER F.
Published: May 2016

CdS and CdSe single‐crystal electrodes can be stabilized against photocorrosion during visible light‐induced oxidation of water to O2 by coating with composites of the electrically conducting copolymer poly(bithiophene)‐poly(pyrrole) and hydrophobic poly(vinyl chloride) which are loaded with RuO2.
ChemInform Abstract: Anodic Oxidation of InP in Pure Water
Authors: ROBACH Y. , JOSEPH J. , BERGIGNAT E. , HOLLINGER G.
Published: May 2016

results in the growth of uniform thin native oxide films.
ChemInform Abstract: A Kinetics Study of the Atmospheric Pressure CVD Reaction of Silane and Nitrous Oxide
Authors: CHAPPLE‐SOKOL J. D. , GIUNTA C. J. , GORDON R. G.
Published: May 2016

at temp. in the range 495‐690 °C is performed in a laminar flow, cool wall reactor.
ChemInform Abstract: peri‐Directed 7‐Substitution in η6‐Indoletricarbonylchromium(0) Complexes.
Authors: MASTERS N. F. , MATHEWS N. , NECHVATAL G. , WIDDOWSON D. A.
Published: May 2016

7‐Substituted indoles such as (IV), (VIII), (XI) and (XIII) are prepared by the lithiation‐electrophilic quenching of the 1‐substituted indole complexes (I), (VI), (IX) and (XII).
ChemInform Abstract: Intermolecular Pinacol Cross Coupling of Electronically Similar Aldehydes. An Efficient and Stereoselective Synthesis of 1,2‐Diols Employing a Practical Vanadium(II) Reagent.
Authors: FREUDENBERGER J. H. , KONRADI A. W. , PEDERSEN S. F.
Published: May 2016

A practical method of the stereoselective coupling of two different, yet electronically similar aldehydes, e.g. (I) and (II), (V) and (VI), employs the vanadium complex VTC yielding diastereomeric diols such as (III) + (IV), (VII) + (VIII).
ChemInform Abstract: cis‐2,7,7‐Trimethyl‐3‐oxatricyclo(4.1.1.02,4)octane in the Ritter Reaction.
Authors: KOVAL'SKAYA S. S. , KOZLOV N. G. , SHAVYRIN S. V.
Published: May 2016

Ritter reaction of the tricyclic title compound (I) with the nitriles (II) in the presence of H2SO4 gives predominantly the trans‐diamides (III).
ChemInform Abstract: Sensitized Photoisomerization of all‐trans‐ and 11‐cis‐Retinal.
Authors: JENSEN N.‐H. , WILBRANDT R. , BENSASSON R. V.
Published: May 2016

The photoisomerization sensitized by a range of sensitizers (porphyrins, Zn‐porphyrins, aromatics, and a Zn‐phthalocyanine) with varying triplet energies above and below the vertical triplet energy of all‐trans‐retinal is investigated by continuous illumination and HPLC analysis of the products.
ChemInform Abstract: Photochemistry. Part 158. Photochemistry in a Box. Photochemical Reactions of Molecules Entrapped in Crystal Lattices: Mechanistic and Exploratory Organic Photochemistry.
Authors: ZIMMERMAN H. E. , ZURAW M. J.
Published: May 2016

An exploration is made of the photochemical behavior in the crystalline state of a series of molecules such as (I), (III), (V), (VII), (IX), and (XII) the photochemistry of which in solution has been previously studied.
ChemInform Abstract: Photodehalogenation of 4‐Haloindoles (I) and (V).
Authors: YANG N. C. , HUANG A. , YANG D.‐D. H.
Published: May 2016

Tryptophan, 5‐ and 6‐fluorotryptophan and their derivatives exhibit a strong fluorescence (even when incorporated into proteins) while 4‐haloindoles do not.
ChemInform Abstract: Photofragmentation Kinetics of Some Triruthenium Carbonyl Clusters.
Authors: BRODIE N. M. J. , HUQ R. , MALITO J. , MARKIEWICZ S. , POE A. J. , SEKHAR V. C.
Published: May 2016

The photokinetics of fragmentation reactions of Ru3(CO)12 with L: PPh3, P(O‐Ph)3, AsPh3, CO, 1‐octene, and methyl acrylate in a variety of solvents are studied.
ChemInform Abstract: Photochemical Isomerization of Cyclobutene Radical Cation (I) to 1,3‐Butadiene Radical Cation. A “Nonelectrocyclic” Ring‐Opening Reaction?
Authors: AEBISCHER J. N. , BALLY T. , ROTH K. , HASELBACH E. , GERSON F. , QIN X.‐Z.
Published: May 2016

While in Ar matrices complete conversion of (I) to (II) occurs already upon radiolytic ionization, (I) remains intact in various frozen glasses.
ChemInform Abstract: Nitroxides (Aminyl Oxides). Part 40. ESR Spectroscopic Studies of β‐Sulfonyl Substituted Vinyl Nitroxides and of a Vinylogous Nitronyl Nitroxide.
Authors: AURICH H. G. , MOEBUS K.‐D. +
Published: May 2016

Oxidation of hydroxylamines (I) with excess PbO2 within an ESR tube at first affords nitroxides (II) which on further oxidation generate the vinyl nitroxides (IV) via nitrone intermediates (III).
ChemInform Abstract: Cation, Solvent, and Substituent Effects on the Decay Kinetics of Alkali Metal Salts of Diaryl Disulfide Radical Anions in Nonaqueous Solutions.
Authors: MIYASHITA T. , MATSUDA M.
Published: May 2016

The transient radical anions (II) are generated in nonaqueous solutions at room temp. by flash photolysis of alkali metal arylthiolates (IV) (counterion Li+, Na+, K+, or Cs+) in the presence of excess disulfide (I).
ChemInform Abstract: The First Example of a Lithium Ketyl Stable in Hydrocarbons.
Authors: BRAVO‐ZHIVOTOVSKII D. A. , BAKUL'SKAYA T. I. , BILTUEVA N. S. , VYAZANKIN N. S. , VORONKOV M. G.
Published: May 2016

Treatment of 1‐adamantyl phenyl ketone (I) with trimethylsilyllithium (II) gives the ketyl (III).
ChemInform Abstract: Steric and Electronic Factors That Control Two‐Electron Processes Between Metal Carbonyl Cations and Anions.
Authors: ZHEN Y. , FEIGHERY W. G. , LAI C.‐K. , ATWOOD J. D.
Published: May 2016

Peak potentials are reported for all ions, and nucleophilicities are reported for the anions.
ChemInform Abstract: Improved Procedure for the One‐Step Synthesis of α‐Keto Esters.
Authors: SINGH J. , KISSICK T. P. , MUELLER R. H.
Published: May 2016

Treatment of diethyl oxalate (I) with the alkylmagnesium chlorides (II) and subsequent acidic work‐up at low temperatures produce the α‐keto esters (III).
ChemInform Abstract: Palladium‐Catalyzed Asymmetric Synthesis of Axially Chiral Molecules.
Authors: FIAUD J. C. , LEGROS J. Y.
Published: May 2016

The 1‐vinylcycloalkyl acetates (I), (IV), and (IX) are coupled with dimethyl sodiomalonate (II) in the presence of various chiral palladium phosphine catalysts.
ChemInform Abstract: Synthetic Approaches to Molecules with Sterically Hidden Functional Groups. Part 3. Conformational Control of the Reactivity of Cyclooctadecane‐1,10‐dione. Crystal Structure of trans‐1,10‐Bis(ethynyl)cyclooctadecane‐1,10‐diol.
Authors: KERSMAN D. A. , HEMLING T. C. , HO D. M. , MACOMBER R. S.
Published: May 2016

The reaction of the title dione (I) with 1 equiv. of the acetylides (II) does not lead to the expected monoadducts; instead the trans products (IIIa) and (IIIb) (space group C2/c with Z=4) are formed.
ChemInform Abstract: Asymmetric Hydroformylation with Pt‐Phosphine‐SnCl2 and Pt‐Bisphosphine‐CuCl2 (or CuCl) Catalytic Systems.
Authors: KOLLAR L. , BAKOS J. , TOTH I. , HEIL B.
Published: May 2016

The hydroformylation of styrene (I) to give the branched (III) and the linear aldehyde (IV), together with ethylbenzene (V) is performed in the presence of various platinum‐phosphine catalysts and tin or copper chlorides.
ChemInform Abstract: Perfect Stereochemical Control in the Synthesis of syn‐α‐Methyl‐β‐hydroxy Thioesters by Asymmetric Aldol Reaction of Silyl Enol Ethers with Aldehydes.
Authors: MUKAIYAMA T. , UCHIRO H. , KOBAYASHI S.
Published: May 2016

Coupling of the aldehydes (I) with the ketene O,S‐acetal (II) in the presence of tin triflate, tributyltin fluoride, and a chiral diamine yields selectively the syn‐configurated β‐hydroxy thioloesters (III).
ChemInform Abstract: Functionalization of Phenyl Rings by Imidoylnitrenes.
Authors: DABBAGH H. A. , LWOWSKI W.
Published: May 2016

The nitrenes (II), generated by thermolysis of the azides (I), react with the monosubstituted benzenes (III), producing the p‐ or o‐phenylated isoureas (IV) and (V).
ChemInform Abstract: A New Synthetic Route to 2‐Hydroxynaphthalene‐1‐carboxylic Acid Derivatives. An Efficient Access to the Naphthalene Moiety of Neocarzinostatin Chromophore.
Authors: SHISHIDO K. , YAMASHITA A. , HIROYA K. , FUKUMOTO K. , KAMETANI T.
Published: May 2016

Thermolysis of the alkenyloxybenzocyclobutenes (I) causes cleavage of the cyclobutene moiety to produce E‐o‐quinodimethane intermediates, which undergo spontaneous chemoselective electrocyclic reaction to yield the dihydronaphthalenes (II) as expected.
ChemInform Abstract: Enantioselective Epoxidation of Unfunctionalized Simple Olefins by Non‐Racemic Molybdenum(VI) (Oxo‐diperoxo) Complexes.
Authors: SCHURIG V. , MARK C. , HINTZER K. , LEYRER U. , PITCHEN P. , KAGAN H. B.
Published: May 2016

Various molybdenum oxo‐diperoxo complexes such as (I) with a bidentate ligand bearing a carbonyl and a hydroxy group are prepared.
ChemInform Abstract: Functionalization of Olefins by Alkoximidoylnitrenes.
Authors: SUBBARAJ A. , RAO O. S. , LWOWSKI W.
Published: May 2016

Photolysis ‐ as well as thermolysis ‐ of the azides (I) generates the nitrenes (II) which react with various olefines, e.g. (III), to produce azridines such as (IV).
ChemInform Abstract: Surrogates for Chiral Aminomalondialdehyde. Synthesis of N‐(9‐Phenylfluoren‐9‐yl)serinal and N‐(9‐Phenylfluoren‐9‐yl)vinylglycinal.
Authors: LUBELL W. , RAPOPORT H.
Published: May 2016

Starting with the N‐(phenylfluorenyl)serine (I), the isoxazolidinylcarbonyloxazolidone (V) is prepared.
ChemInform Abstract: Acyl Anion Equivalents in the Synthesis of 2H‐Pyran‐2‐ones: An Efficient Synthesis of Anibine.
Authors: DHAVALE D. D. , AIDHEN I. S. , SHAFIQUE M.
Published: May 2016

The morpholino(het)arylacetonitriles (I) are deprotonated and then coupled with the bromo(methoxy)butenoate (II) to give the pentenoates (III).
ChemInform Abstract: Molecular Clefts. Part 1. Synthetic Methodology for the Preparation of Analogues of Kagan′s Ether.
Authors: HARMATA M. , MURRAY T.
Published: May 2016

The known indanonecarboxylate (IV) is coupled with the benzylic bromides (V) and then decarboxylated to produce the benzylated indanones (VII) which are subjected to Baeyer‐Villiger oxidation, yielding the dihydrobenzopyranones (VIII).
ChemInform Abstract: New Derivatives of 5‐Nitroorotic Acid, and the Synthesis of 4‐Ethoxycarbonyl‐2‐(N‐methylanilino)‐5,6,7,8‐tetrahydropteridine.
Authors: BOYLE P. H. , GILLESPIE P.
Published: May 2016

In the search for a model tetrahydropteridine which is stable in air and soluble in organic solvents, the title pteridine derivative (IX) which shows the expected properties is synthesized.
ChemInform Abstract: Chemistry of Synthetic Receptors and Functional Group Arrays. Part 10. Orderly Functional Group Dyads. Recognition of Biotin and Adenine Derivatives by a New Synthetic Host.
Authors: ADRIAN J. C. JUN. , WILCOX C. S.
Published: May 2016

The preparation and some properties of the two hosts (VIII) are described.
ChemInform Abstract: A (2)Catenane (IV) Made to Order.
Authors: ASHTON P. R. , GOODNOW T. T. , KAIFER A. E. , REDDINGTON M. V. , SLAWIN A. M. Z. , SPENCER N. , STODDART J. F. , VICENT C. , WILLIAMS D. J.
Published: May 2016

Ring closure of (I) and (II) to the electron‐deficient cyclobis(paraquat‐p‐phenylene) in the presence of 2.5 equiv. of the π‐electron‐rich decaoxa(13.13)paracyclophane (III) affords by a template‐controlled reaction the title compound (IV) ((IV)·5 MeCN has space group P1 with Z=2).
ChemInform Abstract: Diphenyl Alkylidenehydrazidophosphates
Authors: BAGROV F. V.
Published: May 2016

Condensation reaction of the diphenyl hydrazido(thio)phosphates (I) with the carbonyl compounds (II) produces the title compounds (III).
ChemInform Abstract: Unusual Course of the Alkylation of a Aluminum Chloride‐Diphenylchlorophosphine‐Hydrogen Chloride Complex on Reaction with Benzene and Isopropyl Chloride.
Authors: CHAUZOV V. A. , STUDNEV YU. N. , RUDNITSKAYA L. S. , FOKIN A. V.
Published: May 2016

The complex (I) reacts with benzene (II) and isopropyl chloride (III) to produce the phosphine oxides (IV) and (V).
ChemInform Abstract: Strong Participation of Selenium Substituents in Decomposition of Pyrazolines Formed by 1,3‐Dipolar Cycloaddition of Appropriate Vinyl Selenides with Diazoalkanes.
Authors: HAMAGUCHI M. , NAGAI T.
Published: May 2016

The vinylic selenides (V) bearing two electron withdrawing substituents are subjected to 1,3‐dipolar cycloaddition reaction with the diazoalkanes (VI).
ChemInform Abstract: Preparation and X‐Ray Structure of (Tetramethyldibenzotetraaza(14)annulene)chromium Dimer, ((tmtaa)Cr)2. A Multiply Bonded Complex of Dichromium(II) Without Bridging Ligands.
Authors: EDEMA J. J. H. , GAMBAROTTA S. , VAN DER SLUIS P. , SMEETS W. J. J. , SPEK A. L.
Published: May 2016

The title complex (III) (space group P1, Z=2) obtained according to the scheme can also be prepared from CrCl2(THF)2 and the dilithium salt of the macrocycle (I) or from (mesityl)2Cr(THF)3 and (I).
ChemInform Abstract: Preparation, Characterization, and Reactions with Phosphite Donor Ligands of the New Cationic Monoalkyne Complexes (WI(CO)(NCMe)(Ph2P(CH2)nPPh2)(η2‐RC2R))(BF4) (n = 1‐6; R: Me or Ph). X‐Ray Crystal Structure of (WI(CO)(P(OiPr)3)(Ph2P(CH2)PPh2)(η2‐MeC2Me))(BF4)0.5(OH)0.5·0.5 H2O.
Authors: BAKER P. K. , FLOWER K. R. , DREW M. G. B. , FORSYTH G.
Published: May 2016

The new cationic monoalkyne complexes (III) are obtained as shown in the scheme for the example (IIIa).
ChemInform Abstract: Synthesis, Structure, and Magnetic Properties of a Dinuclear Manganese(II) Complex with One μ‐Aquo and Two μ‐Carboxylato Bridges.
Authors: CANESCHI A. , FERRARO F. , GATTESCHI D. , MELANDRI M. C. , REY P. , SESSOLI R.
Published: May 2016

A water molecule as a bridge between two complexed Mn(II) centers in the title complex (III) (P21/c, Z=4) represents similar structural features as known for many natural proteins e.g. hemerythrin.
ChemInform Abstract: Reaction of Cobaltocene with Secondary Phosphine Oxides Revisited. Trapping of an Intermediate Cobalt(I) Complex.
Authors: KLAEUI W. + , SONG C.‐E.
Published: May 2016

The sec. phosphine oxides (II) react with cobaltocene (I) to yield H2 and the Co(I) compounds (III).
ChemInform Abstract: Rearrangements of =C=N‐ Functionalities Promoted by Cobalt(I): Reactivity of Cyclopentadienylbis(ethylene)cobalt(I) with Dibenzophenone Azine, Benzophenone Oxime, Benzylidene(phenyl)amine and Crystal Structure Determinations of the Products.
Authors: CAROFIGLIO T. , STELLA S. , FLORIANI C. , CHIESI‐VILLA A. , GUASTINI C.
Published: May 2016

The title reactions yield the diamagnetic Co(II) complexes (III) (Fdd2, Z = 8), (V) (P21/c, Z=4) and (VII) ( P21/n, Z=4).
ChemInform Abstract: Novel Nickel Clusters with Se and Cp′ as Ligands: (Ni4Se2(CO)BrCp′3), (Ni6Se4Cp′5), (Ni15Se10(CO)3Cp′8) and (Ni15Se10(CO)Cl2Cp′8).
Authors: FENSKE D. , HOLLNAGEL A.
Published: May 2016

The formation of metal‐rich clusters with novel structures occurs via the probably formed species (η5‐C5Me5)Ni(CO)Br.
ChemInform Abstract: Preparation, Characterization, and Low‐Temperature Transition of Cu(tatbp)I, a New Porphyrinic Conductor with Local Moments Coupled to Itinerant Charge Carriers.
Authors: LIOU K. , OGAWA M. Y. , NEWCOMB T. P. , QUIRION G. , LEE M. , POIRIER M. , HALPERIN W. P. , HOFFMAN B. M. , IBERS J. A.
Published: May 2016

Refluxing an excess of CuCl2 with the free ligand in quinoline gives the Cu(II) complex (I), which on reaction with I2 in 1,2,4‐trichlorobenzene or 1‐chloronaphthalene yields polycrystalline samples of the title complex (P4/mcc, Z=2).
ChemInform Abstract: A Concise Synthesis of Racemic Pyridoglutethimide and Its Resolution Using Chiral Stationary Phase HPLC.
Authors: BOSS A. M. , CLISSOLD D. W. , MANN J. , MARKSON A. J. , THICKITT C. P.
Published: May 2016

The preparations of the title compound (IVa) and of its 3‐octyl analogue (IVb) are reported.
ChemInform Abstract: Chemical Vapor Deposition of Hydrogenated Amorphous Silicon from Disilane.
Authors: BOGAERT R. J. , RUSSELL T. W. F. , KLEIN M. T. , ROCHELEAU R. E. , BARON B. N.
Published: May 2016

Undoped hydrogenated amorphous silicon films (a‐Si:H) are grown by chemical vapor deposition from Si2H6 in a tubular reactor.
ChemInform Abstract: Reactive Ion Etching of Tungsten with Chlorinated Fluorocarbons
Authors: DAUBENSPECK T. H. , WHITE E. J. , SUKANEK P. C.
Published: May 2016

(CF3Cl, CF2Cl2, CHF3) is studied by optical emission spectroscopy and ESCA.
ChemInform Abstract: Investigation of the Effects of Very Low Pressure Chemical Vapor Deposited TiSi2 on Device Electrical Characteristics.
Authors: ILDEREM V. , REIF R.
Published: May 2016

The compatibility of very low pressure chemical vapor deposited (VLPCVD) TiSi2 (SiH4 and TiCl4 are used as Si and Ti sources) for VLSI technology is studied by careful characterization of the shallow junction and gate oxide integrities, sheet resistance, and contact resistivity.
ChemInform Abstract: Polycrystalline SiC for a Wide‐Bandgap Emitter of Si‐HBTs.
Authors: SUGII T. , AOYAMA T. , ITO T.
Published: May 2016

Polycrystalline β‐SiC is grown on Si substrates using disilane and acetylene as source gases and H2 as carrier gas.
ChemInform Abstract: Crystal Structure of a Novel Neodymium Hydroxide Perchlorate Hydrate, Nd2(OH)3(ClO4)3·5 H2O.
Authors: CSOEREGH I. + , HUSKOWSKA E. , ERTAN A. , LEGENDZIEWICZ J. , KIERKEGAARD P.
Published: May 2016

The title compound, obtained besides the "normal" Nd(ClO4)3·6 H2O by treatment of Nd2O3 with HClO4 in an almost stoichiometric ratio, crystallizes in the monoclinic system, space group C2/c, Z=4.
ChemInform Abstract: Solid‐State NMR Investigations of Gehlenite Hydrate 2 CaO·Al2O3·SiO2·8 H2O.
Authors: GESSNER W. , MUELLER D. +
Published: May 2016

The 27Al solid‐state NMR spectrum of the title compound shows two peaks, one of them in the range typically observed for AlO4 groups (δ = 60.7 ppm vs.
ChemInform Abstract: Aqueous Precipitation of Spherical Zinc Oxide Powders for Varistor Applications.
Authors: HAILE S. M. , JOHNSON D. W. JUN. , WISEMAN G. H. , BOWEN H. K.
Published: May 2016

ZnO powders are prepared by precipitation from solutions containing a zinc hydroxy salt precursor (prepared by addition of NH4OH to ZnSO4 or ZnCl2 solutions) in water or alcohol/water mixtures.
ChemInform Abstract: Preparation of Alkoxy‐Derived Tantalum Vanadate.
Authors: YAMAGUCHI O. , MUKAIDA Y. , SHIGETA H.
Published: May 2016

The Ta2O5‐V2O5 system is studied by characterization (XRD, DTA) of materials prepared by simultaneous hydrolysis of Ta(OiPr)5 and VO(OEt)3 dissolved in propanol.
ChemInform Abstract: Water Corrosion of YBa2Cu3O7‐δ Superconductors
Authors: FITCH L. D. , BURDICK V. L.
Published: May 2016

is studied in humid environment.
ChemInform Abstract: Investigation of Isomeric Intermediates: Co+‐NH3 and H‐Co+‐NH2.
Authors: CLEMMER D. E. , ARMENTROUT P. B.
Published: May 2016

Ion beam mass spectroscopy allows to observe directly the title‐mentioned intermediates in the five‐atom gas‐phase reaction system NH3/Co+ (the latter one generated by surface ionization at 2300 K) at 0.14 mtorr.
ChemInform Abstract: Characterization of Mixed Cobalt‐Molybdenum Oxides Prepared by Evaporative Decomposition of Solutions
Authors: ROSSETTI G. A. JUN. , BURGER J. L. , SISSON R. D. JUN.
Published: May 2016

is performed by AAS, XRD, SEM, and TEM.
ChemInform Abstract: Electrocarboxylation of Aryl‐ and Acylhydrazones in Non‐Aqueous Media.
Authors: TROEPOL'SKAYA T. V. , VAGINA G. A. , ERMOLAEVA L. V. , TITOVA Z. S. , ZYABLIKOVA T. A. , KITAEV YU. P.
Published: May 2016

Electrocarboxylation of the hydrazones (I) and subsequent treatment with methyl iodide (III) give the hydrazinocarboxylates (IV).
ChemInform Abstract: Asymmetric Diels‐Alder Reactions. Part 3. Influence of Butadiene Structure Upon the Diastereofacial Reactivity of (E)‐1‐(2′,3′,4′,6′‐Tetra‐O‐acetyl‐β‐D‐glucopyranosyloxy)buta‐1,3‐dienes.
Authors: LARSEN D. S. , STOODLEY R. J.
Published: May 2016

The synthesis of the butadienes (V) and (IX) are described as exemplified in the scheme for (Va).
ChemInform Abstract: Behavior of 4‐Hydroxy‐4‐methyl‐2‐pentynenitrile in Water in the Presence of Lithium Hydroxide.
Authors: ANDRIYANKOVA L. V. , ABRAMOVA N. D. , MAL'KINA A. G. , SKVORTSOV YU. M.
Published: May 2016

Treatment of the hydroxypentynenitrile (I) with aqueous lithium hydroxide gives the 1,3‐dioxolane (II) and the furanone (III) instead of the expected 1,4‐dioxane.
ChemInform Abstract: Photochemical versus Aluminum Chloride Catalyzed Fries Rearrangement of Aryl Hydrogen Succinates. Synthesis of 2(3H)‐Furanones.
Authors: FILLOL L. , MARTINEZ‐UTRILLA R. , MIRANDA M. A. , MORERA I. M.
Published: May 2016

The photochemical and AlCl3‐catalyzed Fries Rearrangement of a series of aryl hydrogen succinates (I), (V) to the corresponding 4‐oxo acids (II), (VI) are compared.
ChemInform Abstract: Generation and Synthetic Use of Alkyl Radicals with (CpFe(CO)2)2 as Mediator.
Authors: THOMA G. , GIESE B.
Published: May 2016

Photolysis of the dinuclear iron complex (I) forms the radicalic intermediate (II) which reacts with the halides (III) under halogen abstraction, producing the carbon radicals (IV) and the complexes (V).
ChemInform Abstract: Reactivities of Methoxycarbonylphenylcarbenes Generated by Flash Vacuum Pyrolysis.
Authors: TOMIOKA H. , OHTAWA Y. , MURATA S.
Published: May 2016

Pyrolysis of either isomeric diazomethane (I) affords invariably 3‐methylphthalide (III) and the benzocyclobutenone (IV) with yields and (III)/(IV) ratios depending on temp. and educt.
ChemInform Abstract: Single Electron Transfer Initiated Thermal Reactions of Arylmethyl Halides. Part 14. The Reaction of Triphenylmethyl Halides with Tributylphosphine and Tributylamine in Apolar Solvents.
Authors: HUSZTHY P. , IZSO G. , LEMPERT K. , KAJTAR‐PEREDY M. , GYOER M. + , ROCKENBAUER A. , TAMAS J.
Published: May 2016

Ph3CBr (I) (and similarly, but much slower, Ph3CCl (V)) reacts with Bu3P (II) (and analogously with Bu3N) in aromatic hydrocarbons by single electron transfer.
ChemInform Abstract: Pulse Radiolysis of Monohalogenated Biphenyls. Correlation of Absorption Spectra of the Radical Cations with Photoelectron Spectroscopic Data.
Authors: ANKLAM E. , ASMUS K.‐D. , ROBERTSON L. W.
Published: May 2016

The optical and kinetic properties are compared with corresponding data for (Ph‐Ph)·+ itself.
ChemInform Abstract: Electroreduction of Triose Oximes.
Authors: FEDORONKO M. , PETRUSOVA M. , ALFOELDI J. +
Published: May 2016

The polarographically controlled electroreduction of DL‐glyceraldehyde oxime (I) yields the amines (II) ‐ (V).
ChemInform Abstract: 4,3‐Dehydrocyanation of 1‐(N′,N′‐Dimethylhydrazino)‐4‐methyl‐2,2,3,3‐tetracyanocyclopentane.
Authors: ZOLOTOI A. B. , LUKIN P. M. , SHEVERDOV V. P. , PROKHOROV A. I. , KONOVALIKHIN S. V. , NASAKIN O. E. , ATOVMYAN L. O.
Published: May 2016

Heating of the title compound (I) in the presence of triethylamine produces the cyclopentene derivative (II).
ChemInform Abstract: Alkylation of Benzene Using an Aqueous Solution of Ethanol.
Authors: LEVESQUE P. , DAO L. H.
Published: May 2016

When gaseous mixtures of benzene (I) and ethanol (II) are passed over a fixed bed catalyst system at 575‐775 K, the main products identified are ethylbenzene (III) and ethylene (IV) contaminated with diethylbenzene and light olefins.
ChemInform Abstract: Thermal Transformations of Tetrafluoroethylene in the Presence of 1,3‐Cyclopentadiene and Hydrogen Chloride.
Authors: KUSHINA I. D. , FEDURTSA M. U. , GIDA V. M. , BARABANOV V. G. , NEFEDOV O. M.
Published: May 2016

Thermal transformation of tetrafluoroethylene (I) in the presence of cyclopentadiene (II) or HCl as carbene acceptors produces mainly benzotrifluoride (III) and 1,1,1,2‐tetrafluorochloroethane (IV) respectively.
ChemInform Abstract: Reaction of Nitropentafluoroacetone with Phenols.
Authors: DYACHENKO V. I. , KOLOMIETS A. F. , FOKIN A. V.
Published: May 2016

Reaction of the (poly)phenols (I) with nitropentafluoroacetone (II) gives the o‐alkylated products (III) via the corresponding phenol ethers.
ChemInform Abstract: Trimethylsilyl Cyanide ‐ A Reagent for Umpolung. Part 17. Diastereoselectivity in Nucleophilic Acylations of α‐Chiral Carbonyl Compounds with α,β‐Unsaturated Aldehydes After Umpolung.
Authors: HUENIG S. + , MARSCHNER C. , PETERS K. , VON SCHNERING H. G.
Published: May 2016

Depending on the solvent the silyl ethers (III) react with aldehydes and ketones to give 1:1 adducts, e.g. (V), (VI), (VIII) and (IX) or 2:1 adducts such as (X).
ChemInform Abstract: Silicon in Organosulfur Chemistry. Part 1. Synthesis of Trisulfides.
Authors: CAPOZZI G. , CAPPERUCCI A. , DEGL'INNOCENTI A. , DEL DUCE R. , MENICHETTI S.
Published: May 2016

The thiosulfinates (I) react with bis(trimethylsilyl) sulfide (II) to give the symmetrical trisulfides (III).
ChemInform Abstract: Silicon in Organosulfur Chemistry. Part 2. Synthesis of Unsymmetrical Disulfides.
Authors: CAPOZZI G. , CAPPERUCCI A. , DEGL'INNOCENTI A. , DEL DUCE R. , MENICHETTI S.
Published: May 2016

The thiosulfinates (I) and thiosulfonates (V) react with the trimethylsilyl sulfides (II) to give the unsymmetrical disulfides (III) and (VI) respectively.
ChemInform Abstract: Synthesis of Some New Thiosemicarbazides and Thiosemicarbazones as Possible Antitubercular and Antibacterial Agents.
Authors: VANUGOPAL D. , PANDYA D. , NAIR K. B.
Published: May 2016

The bisamines (I) are consecutively treated with carbon disulfide (II) and hydrazine hydrate (III) to yield the bisthiosemicarbazides (IV).
ChemInform Abstract: Syntheses of Some New β‐Lactams. Azetidin‐2‐ones.
Authors: AHLUWALIA V. K. , MALLIKA N. , SINGH R. P. , MEHTA V. D.
Published: May 2016

The β‐lactams (III) are synthesized via activation of the acid (I) with the Vilsmeier‐type reagent, generated from dimethylformamide and thionyl chloride in benzene, and subsequent reaction with the imines (II).
ChemInform Abstract: The Synthesis and Reactions of 4‐Carbomethoxy β‐Sultams.
Authors: SZYMONIFKA M. J. , HECK J. V.
Published: May 2016

Methoxycarbonylmethanesulfonyl chloride (I) reacts with the imines (II) in the presence of pyridine to give the β‐sultams (III).
ChemInform Abstract: A Chelate‐Controlled Route to Disubstituted and Tetrasubstituted γ‐Lactones. Stereoselectivity in Lewis Acid Promoted Additions to Chiral Methyl β‐Formylcarboxylates.
Authors: KUNZ T. , JANOWITZ A. , REISSIG H.‐U.
Published: May 2016

The chelate‐controlled reaction of various chiral β‐formylcarboxylates such as (I) or (V) or other model aldehydes such as (VIII) with allyltrimethylsilane (IV) proceeds with moderate to good diastereoselectivities to give the corresponding trans and cis lactones resp. anti and syn alcohols.
ChemInform Abstract: Synthesis and Growth Retardant Activities of Trialkylammonium Iodides from Piperonal and β‐Naphthol.
Authors: SHARMA M. L. , PAUL Y. , SHARMA R. C. , KALSI P. S.
Published: May 2016

The acids (I) are converted into the ammonium salts (V) via reduction of the amides (III) and subsequent quaternization.
ChemInform Abstract: Dithiocarboxylation of α‐Nitrogen‐Carbanions.
Authors: KINDT P. , DOELLING W. + , AUGUSTIN M.
Published: May 2016

Dithiocarbamic acid esters such as (I) with an acidic methylene group adjacent to the nitrogen react with CS2 (IV) in the system DMF/2 equiv. NaO‐tBu via the carbanions (II) by subsequent alkylation to give the thiazolinethiones (VI).
ChemInform Abstract: Studies on Synthesis of 2‐(3‐(4‐Acetylaminophenyl)‐2‐aryl‐4‐thiazolidinon‐5‐ylmethyl)‐4,5‐dihydroimidazoles.
Authors: BHATT K. N. , DAVE A. M. , UNDAVIA N. K. , TRIVEDI P. B.
Published: May 2016

The Schiff bases (III), obtained from the aniline (I) and the aldehydes (II), react with thiomalic acid (IV) to give the thiazolidinonylacetic acids (V).
ChemInform Abstract: Reactions of Dithiane Derived Alcohols: Promotion of the Thorpe‐Ingold Effect by Trimethylsilyl and tert.‐Butyl Substituents.
Authors: DAVEY A. E. , PARSONS A. F. , TAYLOR R. J. K.
Published: May 2016

A range of 2‐(2‐hydroxyethyl)‐dithianes (I), (III), (VI), (VII), the preparation of which from appropriate dithiane precursors is described, is treated with halogenating agents.
ChemInform Abstract: Studies in Spiroheterocycles. Part 18. Synthesis and Antifertility Activity of New Fluorine‐Containing 4′,5′‐Cycloalkyl‐2′‐phenylspiro(3H‐indole‐3,3′‐(3H)pyrazol)‐2(1H)‐ones.
Authors: JOSHI K. C. , JAIN R. , GARG S. , ARORA S.
Published: May 2016

The isatins (I) are coupled with the cycloalkanones (II) to give the oxocycloalkylideneindolones (III) which react with pentafluorophenylhydrazine (IV), forming the spiropyrazoles (V).
ChemInform Abstract: Design, Synthesis, and Antitumor Activity of Steganacin Aza‐Analogues.
Authors: TOMIOKA K. , KUBOTA Y. , KAWASAKI H. , KOGA K.
Published: May 2016

The amino acid (I) is converted to the amino alcohol (II) and then cyclized with diethyl carbonate (III), yielding the oxazolidinones (IV).
ChemInform Abstract: Vinylboronates β‐Substituted by an Electron Withdrawing Group: Synthesis and Diels‐Alder Reactivity of a New Type of Electron Deficient Olefins.
Authors: MARTINEZ‐FRESNEDA P. , VAULTIER M.
Published: May 2016

The vinylboronates (III), prepared from the alkynes (I) and the borane (II), react with excess acetaldehyde (IV) to form the boronates (V).
ChemInform Abstract: Silyl‐Substituted Diphosphenes. Synthesis, Structure, and Modes of Decomposition.
Authors: COWLEY A. H. , KNUEPPEL P. C. + , NUNN C. M.
Published: May 2016

The first stable silyl‐substituted diphosphenes (VIa) and (VIb) (space group P1, Z=2) are synthesized according to the scheme.
ChemInform Abstract: Preparation and Structure of Aluminum Derivatives of the Extremely Bulky Tris(trimethylsilyl)silyl Group. The Molecular Structure of the (Me3Si)3SiAl(C6H5)2·THF Adduct.
Authors: SIERRA M. L. , DE MEL V. S. J. , OLIVER J. P.
Published: May 2016

The reaction of the Al chlorides (II) with tris(trimethylsilyl)silyl‐Li (I) affords the corresponding silyl‐substituted derivatives (III).
ChemInform Abstract: Oligophosphine Ligands. Part 30. Mono‐ and Bis(dinitrogen)molybdenum(0) Complexes Containing the Tridentate Chelate Phosphine MeP(CH2CH2CH2PMe2)2: Syntheses, Structures, and Reactions with Carbon Dioxide.
Authors: DAHLENBURG L. , PIETSCH B.
Published: May 2016

The reduction of the mer‐complex (I) with highly dispersed sodium in the presence of one equivalent of PMe3 in THF under N2 yields the mixture of the isomeric bis(dinitrogen) complexes (IV) and (V).
ChemInform Abstract: Synthesis and Characterization of Bis(xanthate) Complexes of MoII and WII. Crystal Structure of (W(S2COiPr‐S)(S2COiPr‐SS′)(CO)2(PMe3)2).
Authors: CARMONA E. , CONTRERAS L. , SANCHEZ L. J. , GUTIERREZ‐PUEBLA E. , MONGE A.
Published: May 2016

The Mo(II) complex (I) reacts with two equiv. xanthate (II) to give the bis(xanthate) complexes (III) in which the xanthate groups seem to act as η3‐(S,S',C)pseudo‐allylic ligands and the phosphine ligands are in cis position.