bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Oxidative Heterocyclization of Dithioalkanoic Acids.
Authors: TROYANSKII E. I. , LAZAREVA M. I. , DEMCHUK D. V. , NIKISHIN G. I.
Published: May 2016

Bei der Oxidation der Dithiocarbonsäuren (I) mit Natriumperoxodisulfat/ Kupfer(II)‐Salzen entstehen Gemische der Dithiolthione (II) mit denCyclotetrameren (III) und den entsprechenden Carbonsäuren (IV).
ChemInform Abstract: Bromochlorination of Alkenes with Dichlorobromate (1‐) Ion. Part 4. Regiochemistry of Bromochlorinations of Alkenes with Molecular Bromine Chloride and Dichlorobromate (1‐) Ion.
Authors: NEGORO T. , IKEDA Y.
Published: May 2016

The regioselectivity of the addition of the dichlorobromate ion to the alkenes (I) to give (II) and (III) is controlled mainly by the steric effects of the substituents, whereas the regioselectivity of the addition of molecular bromine chloride to (I) is dependent on both the steric and electronic effects of the substituent.
ChemInform Abstract: Tosylation of Alcohols.
Authors: KABALKA G. W. , VARMA M. , VARMA R. S. , SRIVASTAVA P. C. , KNAPP F. F. JUN.
Published: May 2016

The tosylation of alcohols (I) is investigated.
ChemInform Abstract: Synthesis of α‐Diethylaminocarboxylic Acid Diethylamides from α‐Trichloromethylcarbinols of Their Acetates by Phase Transfer Catalysis.
Authors: KRYSHTAL' G. V. , ZHDANKINA G. M. , YANOVSKAYA L. A.
Published: May 2016

Die Trichlormethylcarbinole bzw. ihre Acetate (I) reagieren unter Phasen‐Transfer‐Bedingungen mit Diethylamin (II) über die Dichlorhalogenepoxide zu den Tetraethyl‐α‐aminosäureamiden (III).
ChemInform Abstract: Ring Opening and Ring‐Chain Tautomerism in 2‐Carbalkoxy‐ and 2‐Acyl‐2,3‐dihydro‐1,4‐benzodioxins.
Authors: ROSNATI V. , SALIMBENI A.
Published: May 2016

The behavior of the title compounds (I) under the conditions (A) or (B) is studied in detail.
ChemInform Abstract: Pseudo‐Sugars. Part 12. Synthesis of Methyl D,L‐(1,3/2,4,5)‐ and D,L‐(1,3,4/2,5)‐2,3,4,5‐Tetrahydroxycyclohexane‐1‐carboxylates.
Authors: OGAWA S. , YATO Y. , NAKAMURA K. , TAKATA M. , TAKAGAKI T.
Published: May 2016

Das aus dem Bromlacton (I) entstehende Dibromid (II) wird über die Cyclohexencarbonsäure (IIIa) in den ungesättigten Ester (IIIb) übergeführt.
ChemInform Abstract: Metacyclophanes and Related Compounds. Part 18. Preparation of anti‐ 5,14‐Di‐tert‐butyl‐8,17‐dimethyl(2.3)metacyclophan‐1‐ene and anti‐5,15‐ Di‐tert‐butyl‐8,18‐dimethyl(2.4)metacyclophan‐1‐enes with Dichlorocarbene.
Authors: YAMATO T. , KOBAYASHI K. , ARIMURA T. , TASHIRO M. , YOSHIHIRA K. , KAWAZOE K. , SATO S. , TAMURA C.
Published: May 2016

The reaction of the metacyclophan‐1‐enes (Ia) ‐ (Ic) with dichlorocarbene is investigated.
ChemInform Abstract: Bridged (14)Annulenes with Phenanthrene‐Perimeter: syn‐1,6:7,12‐Bismethano(14)annulene.
Authors: VOGEL E. , PUETTMANN W. + , DUCHATSCH W. , SCHIEB T. , SCHMICKLER H. , LEX J.
Published: May 2016

The title compound (VI) is synthesized starting from cyclopropabenzene (I) via 1,6‐diiodocycloheptatriene (II) (no yield given), the iodocarbonitrile (III), the bis‐carbonitrile (IV) (the Ni(0)‐agens used is prepared by treating (Ph3P)2NiCl2/Ph3P with activated zinc in DMF), andthe bis‐aldehyde (V).
ChemInform Abstract: Synthesis and Diels‐Alder Reactivity of 2,3,6,7‐Tetrakis(methylene)bicyclo(3.2.1)octane.
Authors: GABIOUD R. , VOGEL P.
Published: May 2016

Reduction of the iron tricarbonyl mesylate (I) affords the rearrangedtetraene complex (II) which is converted to the free tetraene (III).
ChemInform Abstract: Transition Metal Catalyzed Reduction of Azidoarenes to Aminoarenes with Carbon Monoxide‐Water System.
Authors: SHIM S. C. , CHOI K. N. , YEO Y. K.
Published: May 2016

Die Arylazide (I) werden unter Druck mit Kohlenmonoxid und Wasser in Gegenwart von Rhodium‐ bzw. Palladium‐Katalysatoren zu den Anilinen (II) reduziert.
ChemInform Abstract: Substitution at Secondary Benzylic Carbon with Aluminum Reagents: A Facile Synthesis of (.+‐.)‐Naproxen.
Authors: HIYAMA T. , INOUE M.
Published: May 2016

Naproxen (IVa) is prepared from the alcohol (I) in three steps with substitution of the acetate in (II) by cyanide as the key step.
ChemInform Abstract: Syntheses and Spectroscopic Properties of Triafulvalene Derivatives.
Authors: NEIDLEIN R. , POIGNEE V. , KRAMER W. , GLUECK C. +
Published: May 2016

The fulvalene (II) is obtained from the dichloro derivative (I) via acarbene intermediate.
ChemInform Abstract: An Unusual Synthesis of 5‐Methoxy‐7,12‐dimethylbenz(a)anthracene.
Authors: NEWMAN M. S. , KUMAR A.
Published: May 2016

Starting with the phthalide (I), the alcohol (III) is prepared.
ChemInform Abstract: A Stereocontrolled Synthesis of 2,3,5‐Trisubstituted Tetrahydrofuransfrom Aldolized γ‐Diketones via Cyclization‐Reduction Process.
Authors: MUKAIYAMA T. , HAYASHI M. , ICHIKAWA J.
Published: May 2016

Bei der Reaktion der Diketone (I) mit den Aldehyden (II) werden Gemische aus den anti‐ und syn‐konfigurierten aldolisierten γ‐Diketonen (IV) bzw. (V) erhalten.
ChemInform Abstract: Reaction of Organic Nitriles with Benzamidoxime.
Authors: YAROVENKO V. N. , ZAVARZIN I. V. , KRAYUSHKIN M. M.
Published: May 2016

Die aliphatischen Nitrile (II) werden an Benzamidoxim (I) zu den disubstituierten 1,2,4‐Oxadiazolen (III) cycloaddiert.
ChemInform Abstract: The Formaldehyde‐Levopimaric Acid Adduct Revisited.
Authors: FRIEDRICH J. D. , SETTINE R. L.
Published: May 2016

The chemistry of the formaldehyde‐levopimaric acid adduct (I) is reinvestigated, e.g. acid hydrolysis gives (II) and (III) and catalytic hydrogenation yields (IV) and (V).
ChemInform Abstract: Synthesis of 2‐Acetamido‐1,5‐imino‐1,2,5‐trideoxy‐D‐mannitol and of 2‐Acetamido‐1,5‐imino‐1,2,5‐trideoxy‐D‐glucitol, a Potent and Specific Inhibitor of a Number of β‐N‐Acetylglucosaminidases.
Authors: FLEET G. W. J. , SMITH P. W. , NASH R. J. , FELLOWS L. E. , PAREKH R. B. , RADEMACHER T. W.
Published: May 2016

Die im Titel genannten Verbindungen (IX) und (VI) werden ausgehend von den N‐geschützten Aminen (Ib) bzw. (Ia) auf den im Schema angegebenen Wegen synthetisiert.
ChemInform Abstract: Hydroxyiminoisoquinolin‐3(2H)‐ones. Part 5. Synthesis of 4‐Amino‐1,2,3,4‐tetrahydroisoquinolines.
Authors: TIKK I. , DEAK G. , TOTH G. , SZOLLOSY A. , TAMAS J.
Published: May 2016

Reductive acylation of the iminodihydroisoquinolinones (I) yields theacetylamino compounds (III), which are converted to the aminotetrahydroisoquinolines (V).
ChemInform Abstract: Condensed Heteroaromatic Ring Systems. Part 8. Synthesis of 3‐Substituted Isocoumarins from o‐Halobenzoic Acid Derivatives.
Authors: SAKAMOTO T. , AN‐NAKA M. , KONDO Y. , YAMANAKA H.
Published: May 2016

Die Ethinylierung der Arylhalogenide (I) mit den Acetylenen (II) in Gegenwart des Palladiumkatalysators (III) führt zu den bis‐substituierten Acetylenderivaten (IV).
ChemInform Abstract: Synthesis of Indolizinones and a Pyridoazepinone: A New Method for the Annulation of Pyridinones.
Authors: THOMAS E. W.
Published: May 2016

2‐Methoxypyridine (I) is regiospecifically alkylated by the organolithium compounds (II), producing the dihydropyridines (III), which are dehydrogenated to give the pyridines (IV).
ChemInform Abstract: 2,3,4,5‐Tetrahydro‐1,6‐diethyl‐3,4‐propan‐6a‐thia(SIV)‐1,3,4,6‐tetra‐azapentalene‐2,5‐dithione.
Authors: MATSUMURA N. , TOMURA M. , YONEDA S. , TORIUMI K.
Published: May 2016

Durch Lithiierung des cyclischen Thioharnstoffs (I) und nachfolgende Reaktion des nicht isolierten Dilithium‐Salzes (II) mit ω‐Chloracetophenon (III) und Ethylisothiocyanat (IV) wird das Heteropentalen (V) in einer Eintopfreaktion hergestellt.
ChemInform Abstract: Pyrimidines. Part 57. A Versatile Synthesis of Pyrimido(4,5‐d)pyrimidine‐2,4,5‐trione Derivatives.
Authors: HIROTA K. , HUANG J. , SAJIKI H. , MAKI Y.
Published: May 2016

Die im Titel genannten Verbindungen (III), (V) und (VII) werden durchCyclokondensation der Uracil‐Derivate (I) mit dem Amidacetal (II), denAnhydriden (IV) oder dem N,N'‐Carbonyldiimidazol (VI) erhalten.
ChemInform Abstract: Synthesis of 4′‐Vinylbenzo‐3n‐crown‐n Ethers (4≤≤10).
Authors: TALMA A. G. , VAN VOSSEN H. , SUDHOELTER E. J. R. + , VAN EERDEN J. , REINHOUDT D. N.
Published: May 2016

The title compounds (VI) are prepared in four steps starting with a cesium‐templated cyclization of the catechol (I) with the dimesylates (II) of oligoethylene glycols.
ChemInform Abstract: 2,6‐Diisopropylphenylimino‐thexylborane: Synthesis and Reactions.
Authors: ARMBRECHT M. , MELLER A.
Published: May 2016

Durch Umsetzung eines Gemisches aus den Boranen (I) ‐ (III) mit Dimethylbuten (IV) entsteht das Isohexyldibromboran (V), das mit dem Anilin(VI) unter Basenkatalyse das Anilinoboran (VII) liefert.
ChemInform Abstract: Insertion of Dichloroacetylene into P‐S Bond of Trialkyltrithiophosphites.
Authors: SINYASHIN O. G. , ZUBANOV V. A. , BATYEVA E. S. , PUDOVIK A. N.
Published: May 2016

Dichloracetylen (II) wird in die P‐S‐Bindung der Trialkyltrithiophosphite (I) eingeschoben, wobei die Dithiophosphonite (III) gebildet werden.
ChemInform Abstract: Reactive E=C (p‐p) π‐Systems. Part 9. Diels‐Alder Reactions of theAcyclic Arsaalkene F3CAs=CF2.
Authors: GROBE J. , LE VAN D.
Published: May 2016

Die thermische Eliminierung von Fluortrimethylstannan (II) aus dem Stannyl‐bis‐trifluormethylarsan (I) liefert das nicht isolierte Perfluorarsapropen (III), dessen Diels‐Alder‐Reaktion mit den Dienen (IV) die Cycloaddukte (V) zugänglich macht.
ChemInform Abstract: Dimeric Chloro(dicyclopentadienyldimethylsilyl)ytterbium(III), a RareExample of a Complex Involving Metal‐Bridging Instead of Chelating (Me2Si(η5‐C5H4)2) Ligands.
Authors: HOECK N. + , OROSCHIN W. , PAOLUCCI G. , FISCHER R. D.
Published: May 2016

The title complex (I) is formed from YbCl3 and Na2(Me2Si(η5‐C5H4)2).
ChemInform Abstract: π‐Arene Complexes. Part 3. End‐to‐End Bridging Thiocarbonyl Complexes. Crystal and Molecular Structure of (η6‐C6H5Me)(CO)2CrCSCr(CO)5.
Authors: LOTZ S. , PILLE R. R. , VAN ROOYEN P. H.
Published: May 2016

The dinuclear complexes (III) are prepared by 1:1‐molar reactions of the mononuclear thiocarbonyl‐η6‐arene complexes (II) with photolytically generated Cr(CO)5(THF).
ChemInform Abstract: Thermolysis of a Chromium Biscarbene Chelate Complex: Synthesis of Dienes.
Authors: HUY H. T. , LEFLOCH P. , LOUIS J. M. , FETIZON M.
Published: May 2016

Die Thermolyse des Bis‐carbenchrom‐Komplexes (I) liefert ein Gemisch aus dem Di‐ethoxy‐butadien (II), dem Chrombenzol‐Komplex (III) und demBis‐chrombenzol‐Komplex (IV).
ChemInform Abstract: Organometallic Lewis Acids. Part 24. Directed Synthesis of Rhenamolybdatetrahedranes: Nucleophilic Addition of Pentacarbonylrhenate(1‐) to Alkyne Ligands in Cationic Molybdenum Complexes.
Authors: BECK W. , MUELLER H.‐J. + , NAGEL U.
Published: May 2016

The nucleophilic addition of (Re(CO)5)‐ to the alkyne ligands in the Mo complexes (I) leads to the μη2,η2‐alkyne‐bridged complexes (II).
ChemInform Abstract: Multiple Bonds between Main Group Elements and Transition Metals. Part 8. Cycloadditions of Heterocumulenes to Oxorhenium‐Semisandwich‐ Complexes: Synthesis of New Metallacycles.
Authors: KUESTHARDT U. + , HERRMANN W. A. , ZIEGLER M. L. , ZAHN T. , NUBER B.
Published: May 2016

Der Cyclopentadienyl‐trioxorhenium‐Komplex (III) addiert Diphenylketen (II) zu dem Rhenio‐dioxolanon (I).
ChemInform Abstract: Early Members of a Homologous Series Based on Linked GeM2 Triangles (M: Co, Fe): Structures of Ge2Co4Fe2(CO)21 and Ge3Co8(CO)26.
Authors: ANEMA S. G. , MACKAY K. M. , MCLEOD L. C. , NICHOLSON B. K. , WHITTAKER J. M.
Published: May 2016

The reaction of Co2(CO)8 with the four‐membered ring compound (I) yields the product (II), which consists of a central Fe2(CO)7 unit with two links through Ge to Co2(CO)7 groups.
ChemInform Abstract: ζ‐(ET)2AuBr2, a New Type of Structure for the Organic Radical Cation Salts (ET)2AuX2.
Authors: AMBERGER E. , POLBORN K. , FUCHS H.
Published: May 2016

The title compound obtained by electrocrystallization from THF is formed by galvanostatic oxidation of ET (ET: bis(ethylenedithio)tetrathiafulvalene) in the presence of Bu4N(AuBr2) under certain conditions.
ChemInform Abstract: t‐(ET)2Au(CN)2 and t‐(ET)2AuBr2, Organic Radical Cation Salts with Twist Structure.
Authors: AMBERGER E. , FUCHS H. , POLBORN K.
Published: May 2016

Not only the size of anions but also their "Pearson softness" is decisive for determining which structures (ET)2X radical cation salts form.
ChemInform Abstract: Reactions of the Metallodrug Auranofin ((1‐Thio‐β‐D‐glucopyranose‐2,3,4,6‐tetraacetato‐S)(triethylphosphine)gold) with Biological Ligands Studied by Radioisotope Methodology.
Authors: ECKER D. J. , HEMPEL J. C. , SUTTON B. M. , KIRSCH R. , CROOKE S. T.
Published: May 2016

The title compound (I) is an orally active drug in the treatment of rheumatoid arthritis.
ChemInform Abstract: Synthesis and Structure of ((Ph3P)3Ir(μ3‐H)(μ‐H)2Ag2(OSO2CF3)(H2O))(CF3SO3), a Complex with a Bent Ag‐Ir‐Ag Chain.
Authors: BRAUNSTEIN P. , GOMES CARNEIRO T. M. , MATT D. , TIRIPICCHIO A. , TIRIPICCHIO CAMELLINI M.
Published: May 2016

In a first example of a double Ag+ addition to a single metal center the reaction of two equiv. of the Ag salt (II) with the mer‐complex (I) yields the new complex (III), whose structure is determined by X‐rayanalysis (space group P21/n; Z=4).
ChemInform Abstract: Addition of Hydrogen Halides to Isolongifolene: Formation of Novel Sterically‐Diverted Bicyclic Monoolefinic Primary Halides.
Authors: REDDY R. T. , NAYAK U. R.
Published: May 2016

Isolongifolene (I) (prepared by treatment of longifolene in benzene with a catalytic amount of BF3·OEt2) is converted to the bicyclic halides (III) on reaction with HBr (30% in AcOH) or HI (gas) respectively.
ChemInform Abstract: Reactivity of Methyl Labdanolate with Lead Tetraacetate.
Authors: DE PASCUAL TERESA J. , URONES J. G. , MONTANA PEDRERO A. , BASABE BARCALA P.
Published: May 2016

1. The reaction of the title compound (Ia) with Pb‐tetraacetate (LTA) using various (see table) thermal or photochemical conditions ((A) or (B)) yields mainly the products (Ib), (II)‐(IV).
ChemInform Abstract: Bromination of 5α‐Cholestane‐3,6‐dione.
Authors: HABIB R. , HUSAIN MUBARAK , HUSAIN MASHKOOR , KHAN N. H.
Published: May 2016

Bromination of (I) with one equiv. of bromine gives (II), which is probably a dehydrobromination product of 5α‐bromocholestane‐3,6‐dione.
ChemInform Abstract: Transformed Steroids. Part 152. Photocycloaddition of Pentyne‐1 to 16‐Dehydropregnenolone Acetate.
Authors: KAMERNITSKII A. V. , IGNATOV V. N. , LEVINA I. S. , SEREBRYAKOV E. P. , BOGDANOV V. S. , CHEREPANOVA E. G.
Published: May 2016

Die (2 + 2)‐Photoaddition von Propylacetylen an 16‐Dehydropregnenolonacetat (I) verläuft regio‐ und stereospezifisch zu dem Cyclobutenopregnenolon (II), das zu dem Cyclobutano‐Derivat (III) hydriert wird.
ChemInform Abstract: Inverted Stereoselectivity in Grignard Additions to Chiral Aldehydes by Use of Polyethers.
Authors: REITSTOEEN B. , KILAAS L. , ANTHONSEN T.
Published: May 2016

The stereoselectivity of organometallic additions to aldehydes and ketones with an alkoxy function at a chiral α carbon is usually explained on the basis of a chelation mechanism.
ChemInform Abstract: Dioxolanylium Ions Derived from Carbohydrates. Part 10. Nucleophilic trans Opening with the Trichloroacetimidoyl Neighbouring Group.
Authors: JACOBSEN S.
Published: May 2016

Oxidation of the galactosan (Ib) obtained from (Ia) (endo/exo mixture) with trichloroacetonitrile/NaH generates a fused dioxolanylium ion (II) which rearranges to an oxazoline derivative (IIIa) with gulo configuration.
ChemInform Abstract: Synthesis of Anomeric 5‐Cyclopropyl‐2′‐deoxyuridines and 1H NMR Spectroscopic Study of Their Conformation.
Authors: BASNAK I. , FARKAS J. , ZAJICEK J. , HAVLAS Z.
Published: May 2016

The title compounds (IIIb) or (IVb) are prepared by ammonolysis of the derivatives (IIIa) or (IIIb), resp., obtained from the compounds (I)and (II).
ChemInform Abstract: Photo‐Oxygenation of Polyhydroxyalkylfurans: Rearrangement of O‐Acetyl Derivatives. Part 2.
Authors: LOPEZ APARICIO F. J. , ROBLES DIAZ R. , ISAC GARCIA J. , GARCIA CALVO‐FLORES F.
Published: May 2016

Durch photolytische Oxidation der Furan‐Derivate (I) entstehen die 1,4‐Endoperoxide (II) als Diastereomerenpaare, die sich bei Raumtemperatur in die Epoxide (V) und/oder (VI) umlagern.
ChemInform Abstract: C‐Methylation of Sucrose: Synthesis of 6‐ and 6′‐C‐Methylsucrose.
Authors: TOUFELLI I. A. , DZIEDZIC S. Z. , RATHBONE E. B.
Published: May 2016

Aus dem Sucrose‐Derivat (Ia) wird über die Stufe (Ib) zunächst (Ic) dargestellt und nach Oxidation zu dem instabilen Aldehyd mit Methylmagnesiumiodid in den verzweigten Zucker (IIa) umgewandelt.
ChemInform Abstract: Synthesis of Branched‐Chain Nitro Sugars. A Stereoselective Route to D‐Rubranitrose.
Authors: GIULIANO R. M. , DEISENROTH T. W. , FRANK W. C.
Published: May 2016

Two different methods of preparing the amino sugar derivative (IV) from the allylic alcohol (Ia) are described.
ChemInform Abstract: Stereoselectivity in the Synthesis of 5′‐Alkylated Nicotines.
Authors: SHIBAGAKI M. , MATSUSHITA H. , KANEKO H.
Published: May 2016

Die aus Cotinin (I) und den Organo‐Lithiumverbindungen (II) hergestellten Enamine (III) werden durch Natriumcyanoboranat zu Gemischen aus den cis‐ (IV) und trans‐Alkylnicotin‐Derivaten (V) reduziert.
ChemInform Abstract: A General Method for the Synthesis of Glycerophospholipids.
Authors: BRUZIK K. S. , SALAMONCZYK G. , STEC W. J.
Published: May 2016

A procedure for the synthesis of glycerophospholipids and their phosphorothioyl analogues (V) which bear polar head groups is described.
ChemInform Abstract: Synthetic Study of cis‐3‐Amino‐4‐(1‐hydroxyalkyl)azetidin‐2‐ones Using L‐Aspartic Acid as a Chiral Synthon.
Authors: TAKAHASHI Y. , YAMASHITA H. , KOBAYASHI S. , OHNO M.
Published: May 2016

Die geschützte Asparaginsäure (I) wird als Synthon für die Synthese von β‐Lactam‐Derivaten wie (II) eingesetzt.
ChemInform Abstract: 1,4,4‐Trimethylbicyclo(3.2.0)heptane‐3‐one. A Key Intermediate in theSynthesis of (.+‐.)‐Grandisol, a Sex Pheromone Component of the Boll Weevil Anthonomus grandis.
Authors: ROEMMING C. , SKATTEBOEL L. , STENSTROEM Y.
Published: May 2016

The synthesis of the title intermediate (IX) starts from the diketone(III) (space group: PT1, Z=2), which is obtained from the reaction of the known ketones (Ia) or (Ib) with OsO4 or O3.
ChemInform Abstract: Moessbauer and DTA Studies of K2SO4‐ZnSO4‐Fe2(SO4)3 Glasses.
Authors: NISHIDA T. , TAKASHIMA Y.
Published: May 2016

The Mößbauer parameters indicate a gradual decrease of the coordination number of Fe3+ from six to four when the K2SO4 content is > 60 mol%.
ChemInform Abstract: A New Crystal Structure of the Nickel Oxoniobate: II‐Ni4Nb2O9.
Authors: WICHMANN R. , MUELLER‐BUSCHBAUM HK. +
Published: May 2016

II‐Ni4Nb2O9, which may be a high‐temp.
ChemInform Abstract: A New Ternary Hydride, CsCaH3,
Authors: PARK H. H. , PEZAT M. , DARRIET B.
Published: May 2016

has been detected in the CsH‐CaH2 system.
ChemInform Abstract: Activation Analysis of Oxygen in SnO2 and Zn2SnO4 Crystals.
Authors: YOSHIDA R. , HASEGAWA Y. , YAMAI I. , KODAIRA K. , MATSUSHITA T.
Published: May 2016

Results of 14 MeV neutron activation analysis show that the oxygen contents of crystals of the title compounds grown by the vapor phase method are smaller than the theoretical values.
ChemInform Abstract: Atmospheric Oxidation of Pu‐1.wt% Ga in the Temperature Range 150‐500 °C.
Authors: STAKEBAKE J. L.
Published: May 2016

The oxidation of the title alloy is found to occur in three stages.
ChemInform Abstract: On the Decay of the Dichloride Anion Cl‐ 2 in Aqueous Solution.
Authors: WAGNER I. , KARTHAEUSER J. + , STREHLOW H.
Published: May 2016

A flash photolysis technique with conductometric detection is used to measure the decay kinetics of the Cl2‐ anion, which is produced photolytically from Cl‐ ions.
ChemInform Abstract: Synthesis, Properties, and Crystal Structure of the Europium(II) Phosphidehalogenides Eu2PCl, Eu2PBr, and Eu2PI.
Authors: HADENFELD C. , HELDT W.
Published: May 2016

Pure, brown‐black, crystalline powders of the title compounds (IIIa)‐(IIIc) have been prepared as shown in the scheme or by reaction of Eu, P, and EuX2 in the molar ratio 3:2:1.
ChemInform Abstract: New Oxoterbates(IV) with Lithium: Rb2Li14(Tb3O14) and Li6Tb2O7.
Authors: WOLF R. , HOPPE R.
Published: May 2016

The title compounds (III) and (VI) have been prepared as shown in the scheme.
ChemInform Abstract: Preparation of Molybdenum Thiotrichloride and Tungsten Thiotetrachloride from the Metal Hexacarbonyls.
Authors: FEDOROV V. E. , FEDIN V. P. , KUZ'MINA O. A. , SEMYANNIKOV P. P.
Published: May 2016

The title compounds (III) and (V) are prepared in high yields and under mild conditions.
ChemInform Abstract: Solid Phase Peptide Synthesis: Structural Characterization by 1H NMR of a Peptide Immobilized on a Polyacrylic Resin.
Authors: MAZURE M. , CALAS B. , CAVE A. , PARELLO J.
Published: May 2016

The 1H NMR spectra are recorded at 360 MHz in DMSO‐d6 for both the protected (I) and the deprotected (II) peptide forms.
ChemInform Abstract: Electron Affinities of Di‐ and Tetracyanoethylene and Cyanobenzenes Based on Measurements of Gas‐Phase Electron‐Transfer Equilibria.
Authors: CHOWDHURY S. , KEBARLE P.
Published: May 2016

The electron affinities (EA) of tetra‐ and trans‐1,2‐dicyanoethylene (I), the two naphthonitriles (II) and the eleven benzonitriles (III) were determined by measurement of the electron‐transfer equilibria A‐ +B = A + B‐ with a pulsed electron high ion source pressure mass spectrometer.
ChemInform Abstract: Electroreduction of the Dioxygen Adduct of Rhodium Tetraphenylporphyrin: (TPP)Rh(O2).
Authors: ANDERSON J. E. , YAO C.‐L. , KADISH K. M.
Published: May 2016

The title reaction is studied in PhCN, THF, and CH2Cl2 by cyclic voltammetry, spectroelectrochemistry, and ESR spectroscopy.
ChemInform Abstract: Electrochemistry and Spectroelectrochemistry of Oxo‐ and Peroxomolybdenum Porphyrin Complexes.
Authors: MALINSKI T. , HANLEY P. M. , KADISH K. M.
Published: May 2016

The electrochemical behaviour of the title complexes (I)‐(IV) is investigated by cyclic voltammetry and voltammetry at a Pt rotating disk electrode in nonaqueous media (CH2Cl2).
ChemInform Abstract: Reversible Oxidation and Rereduction of Magnesium Phthalocyanine Electrodes. Electrochemical Behavior and in situ Raman Spectroscopy.
Authors: KAHL J. L. , FAULKNER L. R. , DWARAKANATH K. , TACHIKAWA H.
Published: May 2016

The reversible redox reaction of Mg phthalocyanine thin films on gold electrodes are observed in various electrolytes, including aqueous NaCl, NaNO3, NaClO4, and potassium hydrogen phthalate, the potential range is given.
ChemInform Abstract: Synthesis with Sulfones. Part 44. Stereoselective Preparation of EE 1,3‐Dienes by Elimination of Benzenesulfinic Acid from E Homoallylic Sulfones.
Authors: HERVE DU PENHOAT C. , JULIA M.
Published: May 2016

The homoallylic disulfones (II) are prepared by alkylation of the disulfones (I) with the iodides (III) or (IV).
ChemInform Abstract: 1,5‐Dicarbonyl Compounds. A General Preparation Method.
Authors: DUHAMEL P. , HENNEQUIN L. , POIRIER J. M. , TAVEL G. , VOTTERO C.
Published: May 2016

Treatment of vinylogous hemiacetals (I) with BF3 to generate the delocalized carbocations, and subsequent reaction with silyl enol ethers such as (II) affords the title compounds (III).
ChemInform Abstract: Synthesis of Functionalized 1,4‐Dienes by Addition of Allylic Zinc Compounds to Terminal Alkynes and Their Cyclization to Heterocycles or Carbocycles.
Authors: KNOCHEL P. , NORMANT J. F.
Published: May 2016

Die Addition der Allylbromide (I) an die Alkine (II) in Gegenwart vonZink führt regiospezifisch zu den 1,4‐Dienen (III); als Nebenprodukte entstehen geringe Anteile der Dimeren (IV).
ChemInform Abstract: Gas‐Phase Photochemistry of a βγ‐Unsaturated Ketone. Concerted and Radical Mechanisms of the 1,3‐Acetyl Shift in 1,2‐Dimethylcyclopent‐2‐enyl Methyl Ketone.
Authors: REIMANN B. , SADLER D. E. , SCHAFFNER K.
Published: May 2016

Employing static irradiation with GC product analysis and using NO, O2, and trans‐1,3‐pentadiene as scavengers and CO2 as a buffer gas it is shown that roughly 25% of the total 1,3‐acetyl shift (1,3‐AS) (I) → (II) proceeds in an orbital‐symmetry‐allowed concerted fashion from the first excited singlet state and not via radical pairs.
ChemInform Abstract: Addition of Organocuprates to Chiral αβ‐Ethylenic Oxazolidines. Part 2. Nature of the Intermediates, Mechanism and Stereochemistry.
Authors: BERLAN J. , BESACE Y.
Published: May 2016

Addition of organocuprates to αβ‐ethylenic oxazolidines leads to a new organo‐copper intermediate species.
ChemInform Abstract: Radical Cation Chain Oxygenation of Dienes by Triplet Oxygen.
Authors: NELSEN S. F. , TEASLEY M. F. , KAPP D. L.
Published: May 2016

Alkylated 1,3‐dienes the radical cations of which can achieve s‐cis conformation are shown to oxygenate to endoperoxides by a cation radical chain mechanism.
ChemInform Abstract: Inactivation of Cytochrome P‐450 During Catalytic Oxidation of a 3‐((Arylthio)ethyl)sydnone: N‐Vinyl Heme Formation via Insertion into the Fe‐N Bond.
Authors: ORTIZ DE MONTELLANO P. R. , GRAB L. A.
Published: May 2016

A 3‐((2‐arylthio)ethyl)‐4‐methylsydnone has been synthesized and shown to destroy hepatic microsomal cytochrome P‐450 in a time‐ and NADPH‐dependent manner.
ChemInform Abstract: Polymeric Supernucleophilic Pyridine Catalysts: Homogeneous Esterolysis of p‐Nitrophenyl Esters.
Authors: VAIDYA R. A. , MATHIAS L. J.
Published: May 2016

Polymerization (Pol.) of 4‐(diallylamino)pyridine (I) gives the catalyst (II).
ChemInform Abstract: Synthesis of Cyclic N‐Thioacylamidines from Aminothiocarbonyl Compounds and Activated Lactames.
Authors: LIEBSCHER J. , PAETZEL M. + , BECHSTEIN U.
Published: May 2016

Derivatives of lactames such as amide‐chlorides or lactame‐acetals, are synthesized in situ by the reaction of (I) with POCl3 or with (CH3)2SO4/NaOEt.
ChemInform Abstract: Dissymmetrisation of the Glyoxal Molecule. Part 2. Reaction of Organometallics with 1‐Acetoxy‐1,2,2‐triethoxy Ethane.
Authors: STAMBOULI A. , AMOUROUX R. , CHASTRETTE F. , CHASTRETTE M. , MATTIODA G. , BLANC A.
Published: May 2016

The reaction of various organometallic compounds (III) with the acetate (II) is described.
ChemInform Abstract: Sulfur Containing Heterocycles. Part 11. A New Reaction of β‐Thiolactones.
Authors: VASIL'EVA T. P. , BYSTROVA V. M. , KIL'DISHEVA O. V. , KNUNYANTS I. L.
Published: May 2016

The β‐thiolactones (I) react with hydrogen sulfide under ring opening to form the β‐mercaptothiolcarboxylic acids (II).
ChemInform Abstract: Stable Hemiacetals in the Absence of Electronegative Substituents at the Carbon Atom.
Authors: LUKIN P. M. , ZOLOTOI A. B. , KONOVALIKHIN S. V. , ZIL'BERG S. P. , BULAI A. KH. , D'YACHENKO O. A. , ATOVMYAN L. O. , NASAKIN O. E.
Published: May 2016

The product resulting from addition of the unsaturated compounds (I) to tetracyanoethane (II) is shown by X‐ray analysis and 13C‐NMR‐data to have the hemiacetal structure (III).
ChemInform Abstract: Syntheses and Nucleophilic Additions to Conjugated Imines of 3‐(2‐Methoxyphenyl)‐5‐(4‐aminophenyl)isoxazole and 1,2‐Dihydro‐5‐acenaphthylene‐ carboxaldehyde.
Authors: SANYAL B. J. , HAVALDAR F. H. , FERNANDES P. S.
Published: May 2016

Das Nitroflavon (I) reagiert mit Hydroxylamin (II) zu dem Nitrophenylisoxazol (III), das auch aus dem Dibenzoylmethan (IV) mit (II) zugänglich ist.
ChemInform Abstract: A Hydrocarbon Skeleton with Twelve Identical Functional Groups: Synthesis of a Dodeca Host Compound.
Authors: DUCHENE K.‐H. , VOEGTLE F. +
Published: May 2016

Synthesis of the symmetrical acetylene (VII) from dimethyliodobenzene(I) is achieved in six steps.
ChemInform Abstract: Ynenol Lactones: Synthesis and Investigation of Reactions Relevant to Their Inactivation of Serine Proteases.
Authors: SPENCER R. W. , TAM T. F. , THOMAS E. , ROBINSON V. J. , KRANTZ A.
Published: May 2016

The synthesis of the title compounds (IV), (VI), and (VII) which are designed as serine protease "suicide substrates" has been accomplished.
ChemInform Abstract: 3‐((Z)‐2‐tert‐Butoxyethenyl)‐4‐hydroxy‐2(5H)‐furanone, an InterestingByproduct Obtained from Reaction of 4‐tert‐Butoxy‐2‐butenoate with theAlkoxide Anion of Methyl Glycolate.
Authors: ARORA S. K. , CHO B. S. , CHADHA V. K. , BAUER A. J. , LIM C. T. , LE BRETON G. C. , VENTON D. L.
Published: May 2016

The reaction of the olefine (I) with methyl glycolate (II) produces the tetrahydrofuranone (III) and, unexpectedly, the enolether (IV).
ChemInform Abstract: Chemistry of O‐Arylhydroxylamines. A Novel Acid‐Catalyzed Rearrangement of O‐Aryl‐N‐acetoacetylhydroxylamines to Benzofurans.
Authors: ENDO Y. , NAMIKAWA K. , SHUDO K.
Published: May 2016

The O‐arylhydroxylamines (I) rearrange in the presence of trifluoromethane sulfonic acid and TFA to produce the benzofuran amides (IIa) ‐ (IId), (IIf), (III), (IV) and (VII).
ChemInform Abstract: Proton‐Catalyzed Electrophilic Substitution of 2,3‐Dimethylindole with Arylaldehydes. C6‐Regioselectivity at the Indole Skeleton.
Authors: SCHIFFL E. , PINDUR U.
Published: May 2016

2,3‐Dimethylindole (I) is combined with the aldehydes (II) in an acidic medium to produce the bisindolyl derivatives (III).
ChemInform Abstract: γ‐Lactam Analogues of Carbapenicillanic Acids.
Authors: BALDWIN J. E. , ADLINGTON R. M. , JONES R. H. , SCHOFIELD C. J. , ZARACOSTAS C. , GREENGRASS C. W.
Published: May 2016

The synthesis of the γ‐lactam analogues of carbapenicillanic acids, i.e. endo‐(IXc), exo‐(IXc) and (Xc) (no yield given) are described and their antibacterial and their beta‐lactamase inhibitory activities are examined.
ChemInform Abstract: Alkyl Nitrate Nitration of Active Methylene Compounds. Nitration of 2‐Substituted 2‐Oxazolines.
Authors: FEUER H. , BEVINAKATTI H. S. , LUO X.‐G.
Published: May 2016

The 2‐alkyl oxazolines (I) react with bases and propyl nitrate, producing the α‐nitro‐alkyl derivatives (II).
ChemInform Abstract: Preparation and Reaction of Isomeric Formyl‐2,1‐benzisoxazoles.
Authors: PHILLIPS B. T. , HARTMAN G. D.
Published: May 2016

The nitrobenzoic acids (I) are converted to the benzaldehydes (III) which are cyclized with SnCl2 to produce the 2,1‐benzisoxazoles (IV).
ChemInform Abstract: Reactions of Sulfur Monochloride with Some Aromatic Aldehyde Semicarbazones and Thiosemicarbazones: New Syntheses of Substituted 2,4‐Dihydro‐ 1,2,4‐triazol‐3‐ones, 2,4‐Dihydro‐1,2,4‐triazole‐3‐thiones and 2‐Amino‐ 1,3,4‐oxadiazoles.
Authors: MILCENT R. , NGUYEN T.‐H.
Published: May 2016

The semicarbazones (I) are cyclized on treatment with disulfur dichloride (II) to give the triazolones (III).
ChemInform Abstract: Fused Azolium Salts. Part 8. Synthesis and Nitrogen Elimination of 3‐Aryltetrazolo(1,5‐a)pyridinium Salts and Its Angular Benzenologues. Formation of N‐Arylamino‐α‐pyridones, ‐quinolones, ‐isoquinolones, and ‐phenanthridones.
Authors: MESSMER A. , GELLERI A. , HAJOS GY.
Published: May 2016

The 2‐aminopyridines (I), the 2‐aminoquinoline (VI), the 1‐aminoisoquinoline (X) and the aminophenanthridine (XIII) are coupled with the aryldiazonium chlorides derived from the amines (II) or, resp., with the aryldiazonium tetrafluoroborates (VII) to yield the corresponding aryltriazenes (III), (VIII), (XI) or (XIV).
ChemInform Abstract: Synthesis of the Angular Furanoxanthone, Deoxydehydropsorospermin Methyl Ether (5,10‐Dimethoxy‐2‐isopropenyl‐6H‐furo(2,3‐c)xanthen‐6‐one).
Authors: SCANNELL R. T. , STEVENSON R.
Published: May 2016

2,3‐Dimethoxybenzoic acid (I) and phloroglucinol (II) are coupled to form the xanthone (III) as an intermediate in the synthesis of the title compound (VIII).
ChemInform Abstract: Syntheses of Spiroaziridinefluorene, Spiroindoxylfluorene and an β‐Aminopropionic Acid Containing the 4‐Azafluorene Fragment.
Authors: PROSTAKOV N. S. , GAIVORONSKAYA L. A. , SARKAR S. K. , ZAKHAROV V. F. , DURBAZHEVA N. M.
Published: May 2016

Bei der Umsetzung des Phenyliminofluorens (I) mit Dichlorcarben unterPhasen‐Transfer‐Bedingungen entsteht neben dem Spiroaziridinfluoren (II) das Spiroindoxylfluoren (III).
ChemInform Abstract: Chemistry of the Phenoxathiins and Isosterically Related Heterocycles. Part 32. The Synthesis of 2‐Azathianthrene and Selected Analogs.
Authors: LAM W. W. , MARTIN G. E. , LYNCH V. M. , SIMONSEN S. H. , LINDSAY C. M. , SMITH K.
Published: May 2016

1,2‐Dimercaptobenzene (I) is coupled with 3‐nitro‐4‐chloro‐pyridine (II) to yield the 2‐aza‐thianthrene (III), which is also obtained from 3‐chloro‐4‐nitro‐pyridine‐oxide (V) and (I) by reduction of the intermediate (IV).
ChemInform Abstract: A Convenient Synthesis of 3‐Formyl‐2‐oxo‐1,2‐dihydroquinoxaline Chloro‐ phenylhydrazones: Novel Tautomeric Equilibria between Hydrazone Imine and Diazenyl Enamine Forms with Long‐Range Prototropy.
Authors: KURASAWA Y. , YAMAZAKI K. , TAJIMA S. , OKAMOTO Y. , TAKADA A.
Published: May 2016

Reaction of the quinoxaline (I) with the chlorophenyl diazonium salts(II) yields the equilibrating hydrazones (III) and (IV).
ChemInform Abstract: Synthesis and Physiological Activity of 2H‐(1)‐Benzothiopyrano(3,4‐e)‐ (1,3)oxazine‐5‐ones.
Authors: REDDY B. S. , DARBARWAR M.
Published: May 2016

Die Hydroxythiocumarine (I) reagieren mit den Benzalanilen (II) zu den Benzothiopyrano‐oxazinonen (III).
ChemInform Abstract: Novel Heterocycles. Part 13. Synthesis of 5,6‐Dihydro‐1H‐3H‐pyrrolo‐ (3,2,1‐ij)(3,1)benzoxazine‐1,3‐dione.
Authors: COPPOLA G. M. , PALERMO S.
Published: May 2016

N‐Acetyl‐indole (Ia) is transformed into the 7‐carboxylic acid (V) and then cyclized to the tricyclic anhydride (VI).
ChemInform Abstract: Synthesis of Polycondensed Heterocycles from Benzopyrano‐1‐as‐triazinones.
Authors: VINOT N. , MAITTE P.
Published: May 2016

The benzopyranotriazinone (I) is converted to the chloro compound (IIa), from which the derivatives (IIb) ‐ (IIe) can be obtained.
ChemInform Abstract: Synthesis of 5H‐Benzimidazo(1,2‐a)(1,3,4)thiadiazolo(2,3‐d)(1,3,5)triazin‐5‐one and 12H‐Benzimidazo(1,2‐a)pyrimido(6,1‐d)(1,3,5)triazin‐12‐one, Two New Heterocyclic Ring Systems.
Authors: BOSSIO R. , MARCACCINI S. , PARRINI V. , PEPINO R.
Published: May 2016

The heterocyclic amines (Ia) and (Ib) are converted to the isothiourea derivatives (V) and then to the 2‐aminobenzimidazoles (VII).
ChemInform Abstract: Macrocyclic Oligolactones by Oligomerization of Simple Lactones.
Authors: DALE J. , SCHWARTZ J.‐E.
Published: May 2016

Treatment of lactones (I) with tBuOK results either in abstraction of a proton to give (II) or in the formation of the "living polymers" (III) and subsequent cyclization/degradation to provide the title compounds (IV).
ChemInform Abstract: Synthesis and Acylation of 2‐Nitro‐11H‐dibenzo(b,e)(1,4)dioxepine.
Authors: HAGMANN W. K. , O'GRADY L. A. , DORN C. P. , SPRINGER J. P.
Published: May 2016

2‐Hydroxy‐2'‐carboxy‐diphenylether (I) is cyclized with thionyl chloride to form the lactone (II).
ChemInform Abstract: A New Ditopic Receptor Molecule for Ionic Guest Molecules.
Authors: KIMURA E. , FUJIOKA H. , KODAMA M.
Published: May 2016

The macrocyclic hexamine (I) reacts with the chloromethyl benzo crownether (IIb), obtained from (IIa), to give the bis‐macrocyclus (III).
ChemInform Abstract: Polycondensed Heterocycles. Part 2. A New Preparative Route to 11‐Oxo‐ 5H,11H‐pyrrolo(2,1‐c)(1,4)benzothiazepine.
Authors: NACCI V. , GAROFALO A. , FIORINI I.
Published: May 2016

2‐Methylthio benzylbromide (I) is coupled with the pyrrolyl‐potassiumderivatives (II) to form the products (IIIa) and (IIIb), from which the derivatives (IIIc) ‐ (IIIh) can be obtained.
ChemInform Abstract: Synthesis and Reactivity of a Dimeric Molybdenum(III) Complex with a Bridging Hydrosulfido Ligand.
Authors: CASEWIT C. J. , DUBOIS M. R.
Published: May 2016

The Mo(III) dimer (III) with a bridging hydrosulfido ligand is synthesized by an unusual reaction of H2 with the paramagnetic species (II) in situ obtained by reduction of (I) with potassium graphite under N2.
ChemInform Abstract: Free‐Radical Pathways to Alkyl Complexes of a Nickel Tetraaza Macrocycle.
Authors: RAM M. S. , BAKAC A. , ESPENSON J. H.
Published: May 2016

The cationic Ni(I) macrocycle (I), R,S,R,S‐(Ni(tmc))+, prepared by reduction of its Ni(II) analogue by the photolytically generated radical Me2CO·‐, reacts in aqueous, alkaline solutions with various alkyl halides on the stopped‐flow time scale to form a new series of organo‐Ni complexes (II).
ChemInform Abstract: Investigation of a Model Catalytic System in Ultrahigh Vacuum: The Adsorption of Triallylrhodium on the TiO2 (001) Surface.
Authors: SMITH P. B. , BERNASEK S. L. , SCHWARTZ J. , MCNULTY G. S.
Published: May 2016

(II) reacts with OH groups on the surface of TiO2 to produce a surface species (III).
ChemInform Abstract: Pyrylocyanines. Part 22. Styryls Based on Methoxy Substituted 4‐Methyl‐ flavylium Salts.
Authors: GRAVRILYUK I. M. , ISHCHENKO A. A. , KUDINOVA M. A. , TOLMACHEV A. I.
Published: May 2016

Durch Kondensation der Methoxy‐substituierten Flavylium‐Salze (I) mitp‐Dimethylaminobenzaldehyd (II) werden die Pyrylocyanine (III) erhalten.
ChemInform Abstract: Determination of the Preferred Tautomeric Form of 4‐Nitrohistidine.
Authors: PEDROSO E. , GRANDAS A. , LUDEVID M. D. , GIRALT E.
Published: May 2016

Histidine (I) is converted to the nitroacetyl derivative (II) which is methylated with diazomethane to yield (III).
ChemInform Abstract: Building Units of Oligosaccharides. Part 74. Synthesis of Branched Tri‐ and Tetrasaccharide Sequences Representing the Repeating Unit of the O‐Specific Chain of the Lipopolysaccharide of Aeromonas salmonicida.
Authors: PAULSEN H. , LORENTZEN J. P.
Published: May 2016

The synthesis of the trisaccharide (X) and of the tetrasaccharide (XII), the latter being obtained by an analogous sequence of steps, is described.
ChemInform Abstract: De novo Synthesis of Carbohydrates and Related Natural Products. Part 22. Synthesis of D‐Digitoxose from meso‐Divinylglycol.
Authors: KUEFNER U. + , SCHMIDT R. R.
Published: May 2016

The diol (I) (prepared by reductive dimerization of acrolein together with its d,l‐isomer) is selectively monobenzylated to give the racemate (II), from which the epoxide (+)‐(III) is obtained in enantiomerically pure form by diastereoselective monoepoxidation following the Sharpless method (with kinetic racemate resolution).
ChemInform Abstract: A New, Zinc‐Promoted Synthesis of 1,4‐(1,5)‐Anhydro‐2‐deoxy‐pent‐(hex)‐ 1‐enitols (Furanoid and Pyranoid Glycals).
Authors: CSUK R. , FUERSTNER A. + , GLAENZER B. I. + , WEIDMANN H.
Published: May 2016

The bromides (I) are reduced with activated zinc to give the pyranoidglycals (II); the furanoid glycals (III) can be obtained, in the same manner.
ChemInform Abstract: Marine Alkaloids. Part 11. Flustramide B and Flustrarine B from the Marine Bryozoan Flustra foliacea. Synthesis of Flustrarine B.
Authors: KEIL P. , NIELSEN E. G. , ANTHONI U. , CHRISTOPHERSEN C.
Published: May 2016

The title compounds (I) and (II) are optically active.
ChemInform Abstract: Synthesis of Ribonucleosides of 4(5)‐Cyano‐5(4)‐methylimidazole and Related 4‐Substituted‐5‐Methylimidazole Ribosides.
Authors: ANDRES J. I. , GARCIA‐LOPEZ M. T.
Published: May 2016

Reaction of the imidazoles (I) or (III) with the ribosyl chloride (II) gives various yields of the ribonucleosides (IIIa) and (IVa) which are transformed into the derivatives (IIIb), (IIIc) and (IVb), or (IVc).
ChemInform Abstract: Bridged Isocytosine‐Adenosine Compounds: Synthesis and Antibacterial Evaluation.
Authors: LEVER O. W. JUN. , VESTAL B. R.
Published: May 2016

The amino acids (I) are converted into the urethanes (II) which reactwith N‐hydroxysuccinimide (III) to give the activated esters (IV).
ChemInform Abstract: Sulphenylation and Halogenation Reactions Leading Selectively to cis‐Carbapenem Precursors. Stereospecific Synthesis of (.+‐.)‐6‐Epithienamycin.
Authors: BATESON J. H. , QUINN A. M. , SOUTHGATE R.
Published: May 2016

The ketone (I) can be transformed on a selective route to give the carbapenem derivatives (II) and (III) respectively.
ChemInform Abstract: Crystal Structure of Rubidium Pentabromodistannate(II).
Authors: ABRAHAMS I. , DONALDSON J. D. , GRIMES S. , VALLE G. , CALOGERO S.
Published: May 2016

RbSn2Br5 crystallizes tetragonally in the space group I4/mcm, Z=4.
ChemInform Abstract: Ferroelastic Domain Switching as a Toughening Mechanism in Tetragonal Zirconia.
Authors: VIRKAR A. V. , MATSUMOTO R. L. K.
Published: May 2016

The existence of ferroelasticity in tetragonal zirconia is identified by XRD data.
ChemInform Abstract: Preparation and Photoelectrochemistry of p‐HgIn2Te4 and p‐ and n‐CdIn2Te4.
Authors: BECKER R. S. , ZHOU G.‐D. , ELTON J.
Published: May 2016

The photoelectrochemical behavior of p‐HgIn2Te4 (I) and p‐CdIn2Te4 ((II), Ag‐doped) have been explored for the first time using two very different pH redox couples, the CrEDTA complex (pH 4.5) and Fe(III) triethanolamine (pH 13).
ChemInform Abstract: Nucleation and Growth of Cracks in Vitreous‐Bonded Aluminum Oxide at Elevated Temperatures.
Authors: JAKUS K. , WIEDERHORN S. M. , HOCKEY B. J.
Published: May 2016

Experiments conducted on a grade of vitreous‐bonded Al2O3 with a glass content of ≈ 8 vol% at the grain boundaries show the cracks to nucleate within the vitreous phase.
ChemInform Abstract: A Novel and Convenient Way of Hydride Formation of Rare Earth Intermetallic Compounds by Reaction with Organic Hydrogen Carriers.
Authors: IMAMURA H. , YAMADA K. , NUKUI K. , TSUCHIYA S.
Published: May 2016

It is shown that hydrogen transfer reaction occurs between R2Co7 (R: rare earth metal) and organic hydrogen carriers such as MeOH, EtOH, or 2‐propanol.
ChemInform Abstract: Decomposition of Potassium Bis(carbonato)diamminecobaltate(III) and the Kinetics of the Bridge Cleavage Reactions of a Hydroxy‐Bridged Dimer in Aqueous Perchloric Acid.
Authors: LING X. , HYDE K. E.
Published: May 2016

The rapid decarboxylation of K(Co(NH3)2(CO3)2) in aqueous HClO4 unexpectedly produces a condensed complex which is identified as a μ‐hydroxy‐dicobalt(III) complex.
ChemInform Abstract: Electron Paramagnetic Resonance Evidence for Electrochemical Formation of Mo(V)O2, cis‐Mo(V)O(OH), Mo(V)O(S) and cis‐Mo(V)O(SH) Centers.
Authors: HINSHAW C. J. , SPENCE J. T.
Published: May 2016

The newly synthesized Mo(VI) complexes (I) with sterically bulky ligands undergo one electron reversible electrochemical reduction to give Mo(V) monomers.
ChemInform Abstract: Structures, NMR Spectra, and Ligand‐Exchange Properties of Costa‐Type Organocobalt B12 Models with N‐Donor Ligands.
Authors: PARKER W. O. JUN. , ZANGRANDO E. , BRESCIANI‐PAHOR N. , RANDACCIO L. , MARZILLI L. G.
Published: May 2016

The ligand‐exchange rates and 1H and 13C NMR spectral properties of the Costa‐type organocobalt B12 model system (I) are investigated.
ChemInform Abstract: The Electro‐Oxidation of the Binuclear Ruthenium(II/III) Tetra‐Amidate Complex, Ru2(Me3CCOHN)4Cl.
Authors: RYDE K. , TOCHER D. A.
Published: May 2016

The title compound is examined in various solvents (DMSO, CH2Cl2, MeOH, CH3NO2, DMF, THF, CH3CN, PC) by cyclic and a.c.
ChemInform Abstract: Synthesis of Chiral Building Blocks from Amino Acids and Peptides via Oxidative Electrolytic Decarboxylation and TiCl4‐Induced Reaction with Nucleophiles.
Authors: RENAUD P. , SEEBACH D.
Published: May 2016

Anodic oxidation of the threonine derivative (I) yields a mixture of the N,O acetals (II).
ChemInform Abstract: (2 + 4) Cycloaddition Reactions of Perfluoroazomethines.
Authors: AL'BEKOV V. A. , BENDA A. F. , GONTAR' A. F. , SOKOL'SKII G. A. , KNUNYANTS I. L.
Published: May 2016

The perfluoroazomethines (I) react with cyclopentadiene (II) to give exo/endo mixtures of the azabicycloheptenes (III).
ChemInform Abstract: Diels‐Alder Cycloaddition Reaction of Unactivated 2‐Aza‐1,3‐dienes with Dialkyl Azodicarboxylates and Heterocumulenes.
Authors: BARLUENGA J. , GONZALEZ F. J. , FUSTERO S. , GOTOR V.
Published: May 2016

2‐Aza‐1,3‐dienes (I) undergo Diels‐Alder cycloaddition with low‐electron dienophiles such as dialkyl azodicarboxylates (II), isocyanates (IV), isothiocyanates (VI), and carbon disulfide (VIII) to give the products (III), (V), (VII), and (IX).
ChemInform Abstract: Minor Products in Photoreactions of α‐Diketones with Arenes. Abstraction of Hydroxylic Hydrogen by Triplet Carbonyl.
Authors: RUBIN M. B. , GUTMAN A. L.
Published: May 2016

Irradiation of the diketones (I) and (VII) in the presence of xylene (II) yields the products (III) ‐ (VI) and (VIII) ‐ (XIV).
ChemInform Abstract: Dianions from 2,3‐Dimethyl‐2‐butene. Metalation‐Elimination in an Acyclic System.
Authors: MILLS N. S. , RUSINKO A. R. III
Published: May 2016

Dimetalation of (I) with (II) and (III) yields the dianions (IV) and (V), together with the monoanion (VI) and the dianion (VII) derived from the corresponding diene.
ChemInform Abstract: N‐Aminoisocyanides by 1,1‐Elimination from Formimidoyl Chloride.
Authors: HEGARTY A. F. , CUNNINGHAM I.
Published: May 2016

The hydrazonoyl chloride (II), which can be obtained from the amide (I) by reaction with PCl5, is hydrolyzed at pH values above 9 to give the N‐amino‐isocyanide (III) in situ.
ChemInform Abstract: Solvent Effects in Deamination Reactions.
Authors: BANERT K. , BUNSE M. , ENGBERT T. , GASSEN K.‐R. , KURNIANTO A. W. , KIRMSE W.
Published: May 2016

Nitrous acid deaminations of (S)‐2‐butanamine, (2R,3S)‐3‐methyl‐2‐pentanamine, cyclopropanamine and 4,4‐dimethyl‐2‐adamantanamine have been studied in water and in a series of carboxylic acids of decreasing polarity (acetic, 3,3‐dimethylbutyric, 2‐ethylhexanoic acid).
ChemInform Abstract: Mercury in Organic Chemistry. Part 33. A Convenient Synthesis of Allenic and Propargylic Ketones via Acylation of Propargylic and Allenic Organomercurials, Respectively.
Authors: LAROCK R. C. , CHOW M.‐S. , SMITH S. J.
Published: May 2016

The organomercury compounds (II) and (IV) react with the acid chlorides (I) to produce the rearranged ketones (IIIa), (IIId), and (IIIe) or(Va) ‐ (Vc).
ChemInform Abstract: Synthesis of Polynitrodiazophenols.
Authors: ATKINS R. L. , WILSON W. S.
Published: May 2016

Using the conditions given in the reaction scheme, the dinitrodiazophenols (III) and (VII) and the trinitrodiazophenols (V) and (X) are synthesized from the dinitroanilines (I) and (VI).
ChemInform Abstract: 2‐Alkyl Substituted 1,1‐Bis(4‐acetoxyphenyl)‐2‐phenylethenes. Estrogen Receptor Affinity, Estrogenic and Antiestrogenic Properties, and Mammary Tumor Inhibiting Activity.
Authors: SCHNEIDER M. R.
Published: May 2016

The 1,1‐bis‐methoxyphenyl‐alkenes (V) are obtained from the ketone (Ia) by alkylation, addition of the Grignard reagent (III) and subsequent dehydration.
ChemInform Abstract: The Intramolecular Wadsworth‐Emmons Condensation of γ‐(Acyloxy)‐β‐ketophosphonates. A New Route to 3(2H)‐Furanones.
Authors: SAMPSON P. , ROUSSIS V. , DRTINA G. J. , KOERWITZ F. L. , WIEMER D. F.
Published: May 2016

The acyloxy ketophosphonates (II) and (VII) are prepared in two different ways, starting either with the acyloxy ketone (I) or the silyloxyester (V).
ChemInform Abstract: Synthesis of Some 1‐Aroyl‐4‐aryl‐2‐pyrazolines.
Authors: REDDY D. B. , SESHAMMA T. , REDDY B. V.
Published: May 2016

Diazomethane (II) adds to the chalcones (I) to give the title compounds (III) in high yields.
ChemInform Abstract: 5‐(Halomethyl)‐2‐pyranones as Irreversible Inhibitors of α‐Chymotrypsin.
Authors: BOULANGER W. A. , KATZENELLENBOGEN J. A.
Published: May 2016

The bischloromethyl‐2‐pyrone (I) reacts with the phenylcopper complex(II), yielding the monosubstituted product (III) which is reduced to the methyl pyrone (IV).
ChemInform Abstract: 1,1′‐Thiocarbonyldi‐2,2′‐pyridone. A New Useful Reagent for Functional Group Conversions under Essentially Neutral Conditions.
Authors: KIM S. , YI K. Y.
Published: May 2016

The colourless thionocarbonate (I) is transformed into the orange thiocarbonyldipyridone (II), which is used for dehydration of the oximes (III) to the nitriles (IV) and dehydrosulfurization of the thioureas (V) to the carbodiimides (VI), or of the thioamides (VII) to the nitriles (VIII).
ChemInform Abstract: Synthesis and Crystal Structure of 3‐(1,5‐Dimethyl‐4(1H)‐pyridonyl‐3)‐ 2‐cyanobutyric Acid Thioamide.
Authors: NESMEROV V. N. , SHARANIN YU. A. , LITVINOV V. P. , SHKLOVER V. E. , STRUCHKOV YU. T. , PROMONENKOV V. K. , MORTIKOV V. YU. , SHESTOPALOV A. M.
Published: May 2016

The structure of the title compound (III), produced by the reaction of the oxymethylenepiperidone sodium salt (I) with cyanothioacetamide (II), is determined by X‐ray analysis.