bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Thermodynamics of Vinyl Ethers. Part 32. Thermodynamic Stability of Tri‐alkoxy Substituted Derivatives of Ethylene.
Authors: TASKINEN E.
Published: May 2016

Compounds (II) and (V) are prepared from (I) as shown in the scheme.
ChemInform Abstract: Chiral Complexes Polymerize Methacrylate Esters to Give Helical Polymers That Mutarotate by Uncoiling.
Authors: CRAM D. J. , SOGAH D. Y.
Published: May 2016

The reaction of the catalysts (S)‐(Ia)‐ KOtBu, (S,S)‐(Ib) ‐ KOtBu, and (S,S)‐(II)‐ LiBu with (IIIa), the reaction of (S)‐ or (R)‐(Ia)‐ KOtBu with (IIIb), and the reaction of (S)‐(Ia)‐ KOtBu with (IIIc) gave highly isotactic polymers (isotacticity 80‐90%) with high optical rotations whose sign depended on the configuration of the catalyst and was independent of the nature of R2 in the ester monomer (III).
ChemInform Abstract: Regioselective Reaction of Singlet Oxygen with α,β‐Unsaturated Esters.
Authors: ORFANOPOULOS M. , FOOTE C. S.
Published: May 2016

Die Photooxidation von ogß‐ungesättigten Estern (I) mit Singlet‐Sauerstoff liefert je nach Struktur unterschiedliche Anteile isomerer Hydroperoxide (II) und (III).
ChemInform Abstract: Reaction of Fervenulin‐3‐one with o‐Phenylenediamine.
Authors: AZEV YU. A. , SIDOROV E. O. , MUDRETSOVA I. I.
Published: May 2016

Das Fervenulinon (I) reagiert in Gegenwart von Salzsäure und Ethanol mit o‐Phenylendiaminen (II) zu (III).
ChemInform Abstract: Synthesis and Enantiomer Recognition of Novel Crown Ethers Containing the 5,6,11,12‐Tetrahydro‐5,11‐methanodibenzo[a,e]cyclo‐octene Subunit as the Chiral Centre.
Authors: NAEMURA K. , FUKUNAGA R. , YAMANAKA Y.
Published: May 2016

Aus Polyetherditosylaten und Diolen erhält man die Verbindungen (I) bis (III), die gegenüber (±)‐1,2‐Diphenylethylaminhydrochlorid eine höhere Enantiomeren‐Selektivität als gegenüber (±)‐Phenylglycinmethylesterhydrochlorid zeigen.
ChemInform Abstract: Preparation of Cyclodisilazanes from Dimethylhydroaminosilanes, (CH3)2Si(H)NHR.
Authors: WISEMAN G. H. , WHEELER D. R. , SEYFERTH D.
Published: May 2016

The deprotonation of a dimethylhydroaminosilane such as (I) with butyllithium produces as an intermediate a lithium silylamide.
ChemInform Abstract: Mechanism of the Photohydroxynitration of Biphenyl by Nitrate Ion.
Authors: BUNCE N. J. , CATER S. R. , WILLSON J. M.
Published: May 2016

Based on the Variation of quantum yields of products (IVb) and (Vb) with initial nitrate concentration, comparison with fluorescence quenching constants, the inefficient sensitization by m‐methoxy acetophenone, the much greater yield of nitrite than of (IVa), and the product formation in pure methanol, it is concluded that the title reaction is a two‐step process including singlet (I) as the reactive state.
ChemInform Abstract: Partially Fluorinated Heterocyclic Compounds. Part 20. Isomerisations of Pentafluorophenyl and 1,3,4,5,6,7,8‐Heptafluoro‐2‐naphthyl Prop‐2‐ynyl Ethers. Reactions of the Naphthyl Ether and 2‐Fluoromethyl‐4,5,6,7,8,9‐hexafluoronaphtho[2,l‐b]furan with 2,3‐Dimethylbut‐2‐ene and with 3,3‐Dimethylbut‐1‐ene.
Authors: BROOKE G. M. , COOPERWAITE J. R. , MORPETH A. G.
Published: May 2016

The propynyl ethers (I) and (IV) rearrange to yield the furan derivatives (II) and (V) in vapour phase and/or in liquid phase reactions.
ChemInform Abstract: Electrosynthesis of Tetraalkylpyrophosphates.
Authors: PARAKIN O. V. , ROMAKHIN A. S. , NIKITIN E. V. , IGNAT'EV YU. A. , ROMANOV G. V. , MIRONOV B. S. , KARGIN YU. M. , PUDOVIK A. N.
Published: May 2016

Die elektrochemische Oxidation von Trialkylphosphiten (I) in Gegenwart von Natriumdialkylphosphaten (II) führt zu den Tetraalkylpyrophosphaten (III) und Trialkylphosphaten (IV) mit hohen Stromausbeuten und nahezu quantitativen chemischen Ausbeuten.
ChemInform Abstract: Recyclization Reactions. Part 25. Salts of 1,3,4‐Selenadiazole, Synthesis and Properties.
Authors: SHVAIKA O. P. , LIPNITSKII V. F.
Published: May 2016

Die l,3,4‐Selenadiazoliumsalze (III) werden aus den Oxadiazoliumsalzen (I) mit Selenwasserstoff über die Zwischenstufe der Acylselenohydrazide (II) hergestellt.
ChemInform Abstract: A Stereoselective Synthesis of (±)‐Nootkatone and (±)‐Valencene via an Intramolecular Sakurai Reaction.
Authors: MAJETICH G. , BEHNKE M. , HULL K.
Published: May 2016

Das Cyclohexenon (I) wird in 2 Stufen zu (IV) substituiert und dieses nach Spaltung zum Aldehyd (V) zum Dien (VII) kondensiert.
ChemInform Abstract: Thermal Decomposition of Energetic Materials. Part 8. Evidence of an Oscillating Process During the High‐Rate Thermolysis of Hydroxylammonium Nitrate, and Comments on the Interionic Interactions.
Authors: CRONIN J. T. , BRILL T. B.
Published: May 2016

Relatively dry, solid (NH3OH)NO3 (I) is examined by IR spectroscopy from 170 K to well above its decomposition point.
ChemInform Abstract: Optical Spectroscopy of Mn2SiO4 Crystals.
Authors: POWELL R. C. , ELOUADI B. , XI L. , LOIACONO G. M. , FEIGELSON R. S.
Published: May 2016

The temp. dependence of the fluorescence intensities and lifetimes of Mn2SiO4 and the results of time‐resolved spectroscopic measurements are reported.
ChemInform Abstract: Electrical Properties of Electroless Ni‐P Thin Films.
Authors: FERNANDEZ M. , MARTINEZ‐DUART J. M. , ALBELLA J. M.
Published: May 2016

The influence of pH and temp. of the electroless bath (nickel sulphate and sodium hypophosphite) on the electrical characteristics of deposited Ni‐Pthin films has been determined.
ChemInform Abstract: Mechanism of the Activation Process of the Tungsten Carbide Electrode.
Authors: ZOLTOWSKI P.
Published: May 2016

The activation of WC electrodes for the hydrogen ionization reaction (hir) as a result of prolonged treatment at a potential of + 0.7 V (vs.
ChemInform Abstract: Temperature Dependence of the OH + ClNO Reaction: Evidence for Two Competing Reaction Channels.
Authors: FINLAYSON‐PITTS B. J. , EZELL M. J. , GRANT C. E.
Published: May 2016

The temp. dependence of the reaction of OH with ClNO has been studied from 263 to 373 K in a fast‐flow discharge system.
ChemInform Abstract: Synthesis and Properties of Cadmium Stannate.
Authors: KURBANOV T. KH. , PANAKH‐ZADE S. A. , MOVSUM‐ZADE A. M. , AMIRDZHANOVA T. B.
Published: May 2016

Cadmium stannate, Cd2SnO4, is obtained from the metal oxides by heating their stoichiometric mixture to 850°C for 7 h, then to 950°C for 5 h. The thermal and chemical stability of Cd2SnO4 towards acids and bases is examined.
ChemInform Abstract: He(I) Photoelectron Spectra of Unstable Molecules: Mono‐ and Dihalogenoketenes.
Authors: COLBOURNE D. , WESTWOOD N. P. C.
Published: May 2016

The monochloroketene [(II), X: ‐ Cl; Y: ‐ H] is obtained from direct gas‐phase thermolysis of the corresponding halogenoacetyl chloride in high yield, while the dehydrohalogenation of the bromo‐analogue competes with CO‐elimination.
ChemInform Abstract: Asymmetric Induction in the Cycloaddition Reaction of Dichloroketene with Chiral Enol Ethers.
Authors: GREENE A. E. , CHARBONNIER F.
Published: May 2016

Aus den Enolethern (I) optisch aktiver Alkohole erhält man mit Dichlorketen (II) die diastereomeren Addukte (III) und (IV), deren Anteile durch die Art der verwendeten optisch aktiven Alkohole stark beeinflußt werden können.
ChemInform Abstract: Selective Transformation of N‐tert‐Butoxycarbonyl Group into N‐Alkoxycarbonyl Group via N‐Carboxylate Ion Equivalent.
Authors: SAKAITANI M. , OHFUNE Y.
Published: May 2016

Die Umwandlung der N‐tert.‐Butoxycarbonyl‐Gruppe in eine N‐Benzyloxycarbonyl‐Gruppe z.B. in (Ia) und (Ib) er‐ folgt durch Reaktion mit dem ′Silyltri?at (III) zu einer Zwischenstufe (IIa) bzw. (IIb) und deren Umsetzung mit Benzylbromid und Fluorid‐Ionen zu (IVa) und (IVb).
ChemInform Abstract: Regioselectivity of the Halolactonization of γ,δ‐Unsaturated Acids.
Authors: SNIDER B. B. , JOHNSTON M. I.
Published: May 2016

Aus der ungesättigten Carbonsäure (I) erhält man bei der Brom‐ bzw. Iod‐Lactonisierung die Cyclisierungsprodukte (II)‐(V).
ChemInform Abstract: Photochemical Transformations. Part 40. Syn and Anti Migration in Photo‐Wagner‐ Meerwein Rearrangements.
Authors: CRISTOL S. J. , OPITZ R. J.
Published: May 2016

Die photochemische Wagner‐Meerwein‐,Umlagerung der cis‐trans‐Isomeren (I), die die Produkte (II)‐(IV) mit unterschiedlichen Ausbeuten liefert, wird unter verschiedenen Bedingungen untersucht.
ChemInform Abstract: Thianthrene‐5‐oxide as a Mechanistic Probe in Oxygen Transfer Reactions.
Authors: ADAM W. , DUERR H. + , HAAS W. , LOHRAY B.
Published: May 2016

Nucleophilic and electrophilic oxygen transfer from carbonyl oxides such as (I) ‐ obtained by photo‐oxidation of the corresponding diazo alkane ‐ to the probe (III) can occur, yielding (IV) and (V).
ChemInform Abstract: Carbonyl Methylenation of Easily Enolizable Ketones.
Authors: HIBINO J. , OKAZOE T. , TAKAI K. , NOZAKI H.
Published: May 2016

Das Keton (I) reagiert mit einem metallorganischen Reagens aus CH2I2, Zink und TiCl4 unter Methylenierung zum Olefin (II) sowie ggfs.
ChemInform Abstract: Activated Dehydroamino Acids. Part 2. Amino Acid Derivatives from N‐(Arylmethylene)dehydroalanine Methyl Esters.
Authors: WULFF G. , BOEHNKE H. +
Published: May 2016

Während der Ester (Ia) bei ‐90°C in hoher Ausb. rein gewonnen werden kann, bildet er bei Raumtemp. in Lösung nach einiger Zeit das Dimere (II) als racemisches, einheitliches Diastereomeres.
ChemInform Abstract: Oxocyclopentenol Syntheses.
Authors: WENKERT E. , GREENBERG R. S. , RAJU M. S.
Published: May 2016

Dioxen (I) reagiert mit den Diazoverbindungen (II) in Gegenwart von Kupfer zu Addukten (III), die sauer, ggfs.
ChemInform Abstract: N‐(Arylaminosulfonyl)benzamides.
Authors: BODENTEICH M. , INSELSBACHER H. , KROISS P. , GRIENGL H.
Published: May 2016

The amides (I), prepared by condensation of the corresponding benzoic or p‐chlorobenzoic acids with N‐(chlorosulfonyl)isocyanate, react with the amines (II) to give the title compounds (III).
ChemInform Abstract: Synthetic Opportunities Offered by Anti α‐Methylene‐β‐hydroxy‐γ‐alkoxy Esters: Stereoselective Reactions at the Double Bond.
Authors: BERNARDI A. , BERETTA M. G. , COLOMBO L. , GENNARI C. , POLI G. , SCOLASTICO C.
Published: May 2016

Durch Addition des Esters (I) an die Aldehyde (II) und (V) werden die im Titel genannten Verbindungen (III) und (VI) dargestellt und zu den entsprechenden Lactonen (IV) bzw. (VII) cyclisiert.
ChemInform Abstract: Synthesis of Some 2‐(2′‐Chlorobenzoyl)coumaran‐3‐ones.
Authors: BANERJI K. D. , KUMAR K. , SAHA G. C. , MAZUMDAR A. K. D.
Published: May 2016

Ausgehend von den o‐ Hydroxy‐acetophenonen (I) werden über die Ester (III) die Cumaranone (V) hergestellt, wobei sowohl die Diketone (IV) als auch die Bromketone (VI) als Zwischenstufen verwendet werden können.
ChemInform Abstract: A Thiophene‐3,4‐trithioanhydride.
Authors: YONEDA S. , OZAKI K. , YANAGI K. , MINOBE M.
Published: May 2016

Das Trithioanhydrid (II) erhält man durch Oxidation des Thienothiophens (I) mit Chloranil, Tetracyanocthylen oder DDQ.
ChemInform Abstract: Regioselective Reductions of Cyclic Thienospiroanhydrides.
Authors: STANETTY P. , FROEHLICH H. + , SAUTER F.
Published: May 2016

Durch Anwendung der aufgeführten Reaktionsverfahren lassen sich die gewünschten Spirolactone (I), (IV), (X) und (XI) synthetisieren.
ChemInform Abstract: Reaction of Carbanions with N‐Tosyloxyphthalimide. Formation of 3,3‐Disubstituted Quinoline‐2,4‐diones.
Authors: SHERADSKY T. , ITZHAK N.
Published: May 2016

N‐tosyloxyphthalimide (II) reacts with the anion of fluorene (I) to give the spiro quinoline (III).
ChemInform Abstract: Quinoxalines. Part 20. Syntheses and Reactions of 6‐Nitroquinoxalines.
Authors: LIPPMANN E. , BURCKHARDT H.
Published: May 2016

The quinoxalines (Ic) (with Na‐nitrite in 50% acetic acid) or (Ib) (with Na‐azide) yield the tetrazoloquinoxaline (III).
ChemInform Abstract: Synthesis and Photolysis of 2‐Chloro‐1,4‐naphthoquinone Piperazino Derivatives.
Authors: SHISHKINA R. P. , BEREZHNAYA V. M. , FOKIN B. P.
Published: May 2016

Bei der Umsetzung von 2,3‐Dichlor‐1,4‐naphthochinon (I) mit Piperazin (II) erhält man das Mono‐ (III) bzw. Disubstitutionsprodukt (IV).
ChemInform Abstract: Pterin Chemistry. Part 85. Polyacetylated 5,6,7,8‐Tetrahydro‐D‐ and ‐L‐neopterins. A Special Case of N(5)‐Alkylation of 5,6,7,8‐Tetrahydroneopterins.
Authors: ANTOULAS S. , PREWO R. , BIERI J. H. , VISCONTINI M.
Published: May 2016

Unter milden Bedingungen wird das Pterin (I) zu dem Gemisch (II) acetyliert, aus dem durch fraktionierte Umkristallisation das Diastereomere (III) (Röntgenstrukturanalyse: RG P2,2,2,) rein isoliert werden kann.
ChemInform Abstract: Reactions of Phosphorylated Allenes with Dithiophosphoric Acids.
Authors: KHASAINOVA N. G. , SIPPEL' I. YA. , BERDNIKOV E. A. , CHERKASOV R. A. , PUDOVIK A. N.
Published: May 2016

Die Allenylphosphonsäureester (I) reagieren mit Dithiophosphorsäuren (II) unter unterschiedlicher Addition an die Allenbindung und Bildung der Verbindungen (III)‐(V).
ChemInform Abstract: Dechlorination of Bis(chloromethyl)phosphinic Acid.
Authors: GILYAZOV M. M. , LEVIN YA. A.
Published: May 2016

Die Enthalogenierung der Bis‐(chlormethyl)‐phosphinsäure (I) mit Wasserstoff an Raney‐Nickel in Gegenwart von Kaliumhydroxid läuft unter Druck über die Zwischenstufe (II) zu dem Kaliumsalz der Dimethylphosphinsäure (III), das mit Phosphorpentachlorid in das Säurechlorid (IV) umgewandelt wird.
ChemInform Abstract: Synthesis and X‐Ray Structural Studies of N,N‐Dialkylthiocarbamoyl Substituent Containing Phosphonium Salts.
Authors: UKHIN L. YU. , MORKOVNIK Z. S. , YUFIT D. S. , STRUCHKOV YU. T.
Published: May 2016

Die durch Oxidation aus den Disulfiden (I) hergestellten Tetrathian‐ bis‐(dialkyliminium)‐Salze (II) reagieren mit Triphenylphosphin (III) zu Dialkylthiocarbamoyltriphenylphosphoniumsalzen (IV).
ChemInform Abstract: Reaction of Ethyldichlorophosphine with N,N‐Dibutyl‐2,3‐butanediimine in the Presence of Water.
Authors: KABARDIN A. M. , MIKHAILOV YU. B. , GRYAZNOVA T. V. , PUDOVIK A. N.
Published: May 2016

Ethyldichlorphosphin (I) reagiert mit dem Diimin (II) in Gegenwart von Triethylamin zu dem Diazaphospholan (III).
ChemInform Abstract: Reaction of 2‐N‐Butyl‐N‐isobutenylamido‐4,5‐benzo‐1,3,2‐dioxaphospholane with Benzene Sulfochloride.
Authors: KIBARDIN A. M. , GRYAZNOV N. I. , PUDOVIK A. N.
Published: May 2016

Das Benzodioxaphospholan (I) reagiert mit Benzolsulfo‐ Chlorid (II) zu einem Gemisch der Z‐Chlorverbindung (III) mit dem 2‐Oxo‐benzodioxaphospholan (IV).
ChemInform Abstract: Preparation and Characterisation of Aluminium(III) Aryloxides.
Authors: MALHOTRA K. C. , KAUR A. J. , KALRA J. M. K.
Published: May 2016

Durch Umsetzung von Aluminiumchlorid (I) mit überschüssigem Phenol (II) werden die Aluminium‐aryloxide (III) erhalten.
ChemInform Abstract: Indium Derivatives of Monothio‐β‐diketones and the X‐Ray Structure of Tris[benzoyl(thiobenzoyl)methanato‐O,S]indium(III).
Authors: SREELATHA C. , GUPTA V. D. , NARULA C. K. , NOETH H. +
Published: May 2016

The six‐coordinated monothio‐β‐diketonato‐In(III) complexes (II) and (III) are synthesized from anhydrous InCl3 or InClPy3 and the monothio‐β‐diketones in the presence of Na acetate.
ChemInform Abstract: Mixed‐ligand Complexes of Trivalent Lanthanides. Part 3. Complexes of Heptafluorodimethyloctane‐3,5‐dione and Pyrazine: Syntheses and Spectral Studies.
Authors: IFTIKHAR K. , MALIK A. U. , AHMAD N.
Published: May 2016

The lanthanide(III) tris(heptafluorodimethyloctandionates) form the solid seven‐coordinate 1:1 adducts (I) with pyrazine.
ChemInform Abstract: Silyl and Germyl Group VI Species. Part 8. Synthesis and Characterization of Trimethyl‐, Silyl‐, Germyl‐ and Stannyl‐methyl Derivatives of Methane‐ and Benzene‐selenols.
Authors: CHEHAYBER J. M. , DRAKE J. E.
Published: May 2016

The reaction of Group IV halides (I) with the Li organoselenolates (II) prepared from LiR and elemental Se in THF yields the asymm. substituted selenides of the type (III).
ChemInform Abstract: Molybdenum, Rhenium, and Tungsten Complexes with Bi‐ and Tri‐dentate Phosphinothiolato‐ligands.
Authors: BLOWER P. J. , DILWORTH J. R. , LEIGH G. J. , NEAVES B. D. , NORMANTON F. B. , HUTCHINSON J. , ZUBIETA J. A.
Published: May 2016

Die aufgezeichneten Reaktionen des Oxotrichloro‐Re(V)‐Komplexes (II), der Tetrachloro‐Mo‐ oder ‐W‐Komplexe (IV) oder der Chlorohydrazido( ‐ 2)‐Mo‐ oder ‐W‐Komplexe (VI) mit den Phosphinoethanthiol‐Liganden führen zu den isolierten Phosphinothiolat‐Komplexen (I) und (III), (V) bzw. (VII).
ChemInform Abstract: Magnetic and Spectroscopic Properties of Some Heterotrinuclear Basic Acetates of Chromium(III), Iron(III), and Divalent Metal Ions.
Authors: BLAKE A. B. , YAVARI A. , HATFIELD W. E. , SETHULEKSHMI C. N.
Published: May 2016

Reaction of′Fe3+, M", and acetate ions in aqueous solution gives the complexes (Ia), which on crystallisation from pyridine are converted into (Ib).
ChemInform Abstract: Synthesis and Characterization of 5,5,7,12,12,14‐Hexamethyl‐1,4,8,11‐tetraazacyclotetradecane‐N′,N′"‐diacetic Acid and Its Transition Metal Complexes.
Authors: XU J.‐D. , NI S.‐S. , LIN Y.‐J.
Published: May 2016

The direct reaction of bromoacetic acid with C‐meso‐tetraazacyclotetradecane (I) affords the partially N‐substituted tetraazamacrocycles (IIa) and (IIb) which are isolated at pH 4.8 or pH 3, resp., as a HBr‐ H2O solvate.
ChemInform Abstract: Ligand Reactivity in Polypyridine Complexes; the Deuteriation of the Bis(2,2′:6′,2"‐terpyridine)ruthenium(II) Cation.
Authors: CONSTABLE E. C.
Published: May 2016

The complex (I) undergoes a specific deuterium exchange reaction involving H3′3"5"3" on treatment with Na‐ OCD3 in CD3SOCD3/CD3OD analogous to that observed for [Ru(bipy)3]2+ (bipy: 2,2′‐bipyridine).
ChemInform Abstract: Oligophosphine Ligands; Part 13. Halo and Hydro Complexes of Ruthenium(II) Containing the Novel Tripod Tetrakis(tertiary) Phosphine P(CH2CH2CH2PMe2)3.
Authors: ANTBERG M. , DAHLENBURG L.
Published: May 2016

The reaction of the Ru Complexes (Ia), (Ib) with the tripod title ligand gives the ci‐s‐octahedral dihalo compounds (IIa), (IIb).
ChemInform Abstract: Reactions of Co‐ordinated Ligands. Part 35. Evidence for Carbon ‐ Carbon Double‐bond Cleavage of Cyclopropenes in Their Reaction with Dinuclear Cobalt, Rhodium, and Iridium Complexes; Crystal Structure and Protolysis of [Rh2(μ‐CO)(μ‐COCHCMe2CH)(η‐C5Me5)2].
Authors: GREEN M. , ORPEN A. G. , SCHAVERIEN C. J. , WILLIAMS I. D.
Published: May 2016

Reaction of 3,3‐dimethylcyclopropene with the CO bridged binuclear complexes (I) affords the 1:1 adducts 151 (IIa)‐(IIc), in which the C ‐ Cdouble bond has been broken.
ChemInform Abstract: Organization of Carotenoid‐Phospholipid Bilayer Systems. Incorporation of Zeaxanthin, Astaxanthin, and Their C50 Homologues into Dimyristoylphosphatidylcholine Vesicles.
Authors: MILON A. , WOLFF G. , OURISSON G. , NAKATANI Y.
Published: May 2016

Four carotenoids [(Ia) (zeaxanthin), (Ib) (astaxanthin), their C50 synthetic isoprene homologues (IIa) and (IIb)‐] have been incorporated into bilayer unilamellar vesicles of dimyristoylphosphatidylcholine as proved by coelution on a Sepharose column.
ChemInform Abstract: Optically Active Lycopene Epoxides and Lycopene Glycols: Synthesis and Chiroptical Properties.
Authors: MEIER H. , UEBELHART P. , EUGSTER C. H.
Published: May 2016

Pure stereoisomers of the lycopene diepoxides (I)‐(III) and glycols (IV)‐(VI) are synthesized and their UV, NMR and CD spectra are discussed.
ChemInform Abstract: Cyclization of Biliverdins to Verdohaemochromes.
Authors: SAITO S. , ITANO H. A.
Published: May 2016

Der aus Biliverdin‐IXot‐dimethylester (Ia) gebildete Zn‐Komplex wird durch Cyclisierung mit Ac2O und nachfolgende Behandlung mit NaBF4 in den Oxaprotoporphyrin‐IXoL‐dimethylester‐ Zn‐Komplex (II) übergeführt.
ChemInform Abstract: The Absolute Configurations and Biogenesis of Some New Halogenated Chamigrenes from the Sea Hare Aplysia dactylomela.
Authors: SAKAI R. , HIGA T. , JEFFORD C. W. , BERNARDINELLI G.
Published: May 2016

The isolation of four new halogenated chamigrenes (Ia), (Ib), (IIa) and (IIb) from the sea hare is described.
ChemInform Abstract: A Chemical Method for the Deposition of Bismuth Sulfide Thin Films.
Authors: BISWAS S. , MONDAL A. , MUKHERJEE D. , PRAMANIK P.
Published: May 2016

Aroom temp. Chemical method for the deposition of Bi2S3 thin films on a glass substrate has been developed based on the reaction between the triethanolamine complex of Bi" and thioacetamide in basic media.
ChemInform Abstract: Development of a Solar Energy Storage Process. Photoisomerization of a Norbornadiene Derivative to a Quadricyclane Derivative in an Aqueous Alkaline Solution.
Authors: MARUYAMA K. , TAMIAKI H. , KAWABATA S.
Published: May 2016

Aus der Norbornadien‐dicarbonsäure (I) entsteht das Anhydrid (II) als Ausgangsmaterial zur Synthese der Mono‐ (IV) und Bis‐amide (VII), deren Photolyse zu den entsprechenden Quadricyclanen (V) bzw. (VIII) und (IX) führt.
ChemInform Abstract: Carboxylation of Ketones Using Triethylamine and Magnesium Halides.
Authors: TIRPAK R. E. , OLSEN R. S. , RATHKE M. W.
Published: May 2016

Cycloh‐exanon (I) reagiert mit Magnesiumhalogeniden, Triethylamin und Kohlendioxid unter Druck zum 2‐Carboxy‐Derivat (II).
ChemInform Abstract: Chemistry of Di‐ and Tri‐metal Complexes with Bridging Carbene or Carbyne Ligands.
Authors: JEFFERY J. C. , ORPEN A. G. , STONE F. G. A. , WENT M. J.
Published: May 2016

The formation of the Complexes (III) represents the hitherto unrecognized conversion of a terminally bound alkylidyne group into bridging alkylidene.
ChemInform Abstract: Transition‐Metal Cluster Ions in the Gas Phase. Oxide Chemistry of Dimeric and Trimeric Clusters Containing Iron and Cobalt.
Authors: JACOBSON D. B. , FREISER B. S.
Published: May 2016

The gas phase reactions are studied by using Fourier transform mass spectrometry.
ChemInform Abstract: Synthetic Studies of 1‐Azapenem.
Authors: SHIBATA T. , SUGIMURA Y. , SATO S. , KAWAZOE K.
Published: May 2016

Ausgehend vom Azetidinon (I) werden die im Titel genannten Verbindungen (VIII) in einer mehrstufigen Synthese hergestellt.
ChemInform Abstract: Activation of Electrode Surfaces. Electrocatalysis of the Photoelectrochemical Generation of Hydrogen at p‐Type Si.
Authors: KEITA B. , NADJO L.
Published: May 2016

Amodi?cation of p‐type Si electrode surfaces has been developed that activates them towards the hydrogen evolution reaction.
ChemInform Abstract: Hydrogen Evolution in Corrosion of Copper in Pure Water.
Authors: HULTQUIST G.
Published: May 2016

H2 is evolved during corrosion of copper in water, i.e. copper is oxidized by water.
ChemInform Abstract: AsPh4(W(O)Cl3(HN3S2)); Synthesis, IR‐Spectrum, and Crystal Structure.
Authors: CONRADI E. , WADLE H. , MUELLER U. + , DEHNICKE K.
Published: May 2016

Partial hydrolysis of the previously reported (I) yields the title compound, which crystallizes in the triclinic system (PT; Z=2).
ChemInform Abstract: Synthesis of 2‐Thiobenzimidazole Derivatives as Potential Antifilarial Agents.
Authors: RAM S. , WISE D. S. , TOWNSEND L. B.
Published: May 2016

Die 2‐Mercapto‐benzimidazole (II) werden hergestellt und in die angegebenen Substitutionsprodukte (III)‐(VI) übergeführt.
ChemInform Abstract: Quinoxaline Chemistry. Part 1. 6‐Trifluoromethylquinoxalines and Their N‐Oxides.
Authors: LORIGA M. , PAGLIETTI G.
Published: May 2016

The quinoxalines (IIIa) are obtained from (I) and the dicarbonyl reagents (IIa).
ChemInform Abstract: Preparation of the First Molecular Carbon Monoxide Complex of Uranium, (Me3SiC5H4)3UCO.
Authors: BRENNAN J. G. , ANDERSEN R. A. , ROBBINS J. L.
Published: May 2016

Exposure of a solution of the metallocene (I) to CO at 1 atm and 20°C yields the title complex (II), which may be stored for at least 2 years at ‐ 80°C. (I) also reversibly absorbs CO in the solid state.
ChemInform Abstract: Peptides of 2‐Aminopimelic Acid: Antibacterial Agents that Inhibit Diaminopimelic Acid Biosynthesis.
Authors: BERGES D. A. , DEWOLF W. E. JUN. , DUNN G. L. , GRAPPEL S. F. , NEWMAN D. J. , TAGGART J. J. , GILVARG C.
Published: May 2016

Die Amino‐ bzw. Amidocarbonsäuren (I) bzw. (III) werden zu Peptiden (II) bzw. (IV) umgesetzt, die auf ihre antibakterielle Aktivität untersucht werden.
ChemInform Abstract: Photochemistry and Radiation Chemistry of Colloidal Semiconductors.
Authors: BARAL S. , FOJTIK A. , WELLER H. , HENGLEIN A.
Published: May 2016

The reactions of OH radicals with Colloidal Q‐CdS, Q‐ZnS, and Q‐Cd3P2 (materials of extremely small particle size showing optical size quantization effects) are studied by pulse radiolysis.
ChemInform Abstract: Pulse Radiolysis Studies of Alkaline Fe(III) and Fe(VI) Solutions.
Authors: RUSH J. D. , BIELSKI B. H. J.
Published: May 2016

Spectroscopic evidence is given for Complexes containing Fe formally in the IV and Voxidation states in the presence of simple ligands, i.e., OH′ and P203′ in alkaline solution.
ChemInform Abstract: Synthesis and Structural and Magnetic Characterization of a New Hexagonal Manganese Antimony Oxide, MnSb2O6.
Authors: TURRILLAS X. M. , VINCENT H. , RASINES I.
Published: May 2016

MnSb2O6 has been prepared by solid state reaction of a Mn2O3 ‐ Sb2O3 (2:5) mixture at 700‐1000°C. The compound crystallizes in the hexagonal system, possible space groups are: P6, P3, P67 m, P622, P6mm, P5m2, Pö‐Zm, and P6/mmm.
ChemInform Abstract: Bipyridines. Part 18. On the Synthesis of [2,2′‐Bipyridine]‐3‐ol and Other Novel 2,2′‐Bipyridine Derivatives from [2,2′‐Bipyridine]‐3,3′‐diamine.
Authors: KACZMAREK L.
Published: May 2016

Diazotization of (II) under various conditions yields (I) or (III) and (IV).
ChemInform Abstract: 1‐Phenyl‐1‐butyne‐3‐one in the Synthesis of 4,6‐Disubstituted 3‐Cyano‐2(1H)‐pyridinthiones.
Authors: SHARANIN YU. A. , RODINOVSKAYA L. A. , SHESTOPALOV A. M. , PROMONENKOV V. K. , LITVINOV V. P.
Published: May 2016

The title compound (I) reacts with the thioacetamide (II) in the presence of morpholine to give the pyridinethione (III), as is shown for the first time.
ChemInform Abstract: Reaction of Elementary Tellurium with Phenylacetylene: Synthesis of 3‐Benzyliden‐ 4‐phenyl‐1,2‐ditellurol and Z,Z‐Distyryltelluride.
Authors: POTAPOV V. A. , GUSAROVA N. K. , AMOSOVA S. V. , TATARINOVA A. A. , SINEGOVSKAYA L. M. , TROFIMOV B. A.
Published: May 2016

The two novel title compounds (II) and (III) are obtained when phenylacetylene (I) is reacted with Te in the superbasic system KOH/HMPA in the presence of SnClz/HZO.
ChemInform Abstract: Monohalogenobenzoylhydrazones. Part 2. Synthesis and Study of Ti(IV) Complexes with Monochlorobenzoylhydrazones of 2‐Furaldehyde, 2‐Thiophenaldehyde, 2‐Pyrrolaldehyde and Di‐2‐pyridylketone as Ligands.
Authors: TOSSIDIS I. A. , BOLOS C. A.
Published: May 2016

TiCl4 and the corresponding hydrazone react in CHCl3 (1 h reflux) in molar ratio l 22 to yield (I) or l zlAto yield (II).
ChemInform Abstract: Spectroscopic and Kinetic Studies on a Series of Di‐ to Heptanuclear Tris(bipyrazine)ruthenium(II)‐Pentacyanoferrat(II) Complexes in Aqueous Solution.
Authors: TOMA H. E. , LEVER A. B. P.
Published: May 2016

Tris(bipyrazine)ruthenium(II) reacts with the aquopentacyanoferrate?l) ion leading to a series of di‐ to heptanuclear pyrazine‐bridged complexes (I), which were characterized by visible‐UV and 1H NMR spectroscopy and electrochemistry.
ChemInform Abstract: Voltammetry of Polycrystalline Rhodium in l M H2SO4 at Different Temperatures in the 0‐65 °C Range.
Authors: PARAJON COSTA B. , GIORDANO M. C. , PALLOTTA C. D. , ARVIA A. J.
Published: May 2016

For polycrystalline Rh in 1 M H2SO4 the dependence of the voltammetric data on temp. exhibits similar features to those caused by concentration changes on anion adsorption in defining the voltammetric characteristics of H and Oelectroadsorption processes.
ChemInform Abstract: Conversion of Methoxyperfluoroisobutene to α‐Methylhexafluoroisobutyric Acid Fluoride by a Phase Transfer Catalyst.
Authors: MISAKI S.
Published: May 2016

Aus dem Methoxyoctafluorisobutan (I) wird der Vinylether (II) hergestellt, der unter Phasen‐Transfer‐Bedingungen zum Säurefluorid (III) umgesetzt werden kann.
ChemInform Abstract: Synthesis of Substituted 5‐Oxoindeno[1,2‐b]pyridinium Salts.
Authors: ZANDERSONS A. Z. , LUSIS V. K. , MUTSENIETSE D. KH. , DUBUR G. YA.
Published: May 2016

Durch Oxidation der N‐Methylderivate von 5‐Oxo‐dihydroindenopyridinen (Ia) mit Wasserstoffperoxid oder Luft werden die Oxoindenopyridinium‐ Salze (II) gewonnen.
ChemInform Abstract: Transformations of N‐Heteroarylformamidines and N‐Heteroarylformamidine Oximes.
Authors: MERSLAVIC M. , STANOVNIK B. , TISLER M.
Published: May 2016

The bicyclic system (V) can be prepared either from (Ia) via (Ic) or from (VI).
ChemInform Abstract: Ammoxidation of 2‐Methylpyrazine over Oxide Catalysts.
Authors: FORNI L.
Published: May 2016

Die Synthese von Z‐Cyanopyrazin (II), das als Vorstufe für das Tuberkulosemittel 2‐Amidopyrazin (III) dient, durch Ammonoxidation von 2‐Methylpyrazin (I) wird untersucht.
ChemInform Abstract: Reduced 2‐Methyl‐4‐oxo, 2‐Methylamino‐4‐oxo, 2‐Methylthio‐4‐oxo and 2‐Amino‐ 4‐thioxo 6,7‐Dimethylpteridines, and 6,8‐Dimethylpterin as Substrates for Dihydropteridine Reductase.
Authors: ARMAREGO W. L. F. , OHNISHI A. , TAGUCHI H.
Published: May 2016

Reduction of the pteridinone (I) with NaBH4 yields (IIa).
ChemInform Abstract: Metal Complexes with Carbon Sulfides and Selenides as Ligands.
Authors: EBNER M. , WERNER H.
Published: May 2016

The Pt compound (I) reacts with phosphines to form the chelate Complexes (II).
ChemInform Abstract: A Synthetic Approach to Seven‐Membered Lactones by the Microbial Transformation of Ynones Having a Trifluoromethyl Group.
Authors: KITAZUME T. , SATO T.
Published: May 2016

Durch die Umsetzung des Trifluoressigsäureethylesters (II) mit Alkin‐ lithiumverbindungen (I) werden die Alkinyl‐ketone (III) synthetisiert, deren fermentative Reduktion mit Bäckerhefe zu den optisch aktiven Alkoholen (IV) sowie den Ketonen (V) und (VI) als Nebenprodukten untersucht wird.
ChemInform Abstract: Grain‐Boundary Cavitation and Bloating of Isostatically Hot‐Pressed Magnesia‐ Partially‐Stabilized Zirconia on Air Annealing.
Authors: HOGG C. L. , STRINGER R. K. , SWAIN M. V.
Published: May 2016

Sintered MgO‐panially‐stabilized ZrO2 (Mg‐PSZ) can be densified to near theoretical density by isostatic hotpressing at 1700°C and 200 MPa in Ar.
ChemInform Abstract: EPR Spectrum of Tetragonally Compressed CuF64‐ : Ligand and Metal Hyperfine Parameters.
Authors: HITCHMAN M. A. , MCDONALD R. G. , REINEN D.
Published: May 2016

The metal and ligand hyperfine splittings observed in the low temp. EPR spectrum of Cu(II) doped into K2ZnF4 single crystals are reported.
ChemInform Abstract: ESR Studies of Free and supported 12‐Heteropoly Acids. Part 1. Air and Vacuum Dehydration of H3(PMo12O40) . x H2O and H4(SiMo12O40) . x H2O
Authors: FRICKE R. , OEHLMANN G. +
Published: May 2016

have been studied in regard to their involvement in catalysis.
ChemInform Abstract: Colloidal Semiconductors in Systems for the Sacrificial Photolysis of Water: Sensitization of TiO2 by Adsorption of Ruthenium Complexes.
Authors: FURLONG D. N. , WELLS D. , SASSE W. H. F.
Published: May 2016

Adsorbed tris(2,2′‐bipyridine‐4,4′‐dicarboxylic acid)ruthenium(ll) molecules (Ru(II)(acid)3) sensitize the production of H2 that occurs when Pt/TiO2 dispersions are illumihated with visible light in the presence of an electron donor (EDTA or triethanolamine (TEA)).
ChemInform Abstract: Temperature Dependence of the Reaction HO2 + HO2 at Low Pressures.
Authors: TAKACS G. A. , HOWARD C. J.
Published: May 2016

The only significant source of gaseous atmospheric H2O2 is reaction A, whose temp. dependence is investigated by detecting HO2 with laser magnetic resonance in a low‐pressure flow tube coated with halocarbon wax.
ChemInform Abstract: Photochemical Hydrogen Production with Platinized Suspensions of Cadmium Sulfide and Cadmium Zinc Sulfide Modified by Silver Sulfide.
Authors: REBER J.‐F. , RUSEK M.
Published: May 2016

An efficient H2 production can be achieved by irradiating suspensions of platinized CdS in solutions of S2′ (as hole scavenger), but only CdS photocatalysts with very low ( 6.7 m2) or verylarge ( 100 mz/ g) specific surface areas produce H2 with a significant rate.
ChemInform Abstract: Synthesis and Some Properties of Single Crystals of Ba3LaNb3O12.
Authors: ANTONOV V. A. , ARSEN'EV P. A. , BAGDASAROV KH. S. , EVDOKIMOV A. A. , KOPYLOVA E. K. , TADZHI‐AGLAEV KH. G.
Published: May 2016

The title compound is prepared from a mixture of BaCO3, La2O3 and NbzOs by heating pellets to 1470 K for 50h and then reheating the pellets to 1620 K for another 60 h period of time.
ChemInform Abstract: Dynamics of Spin‐State Interconversion and Cooperativity for Ferric Spin‐Crossover Complexes in the Solid State.
Authors: TIMKEN M. D. , STROUSE C. E. , SOLTIS S. M. , DAVERIO S. A. , HENDRICKSON D. N. , ABDEL‐MAWGOUD A. M. , WILSON S. R.
Published: May 2016

Variable‐temp.
ChemInform Abstract: Decreasing Reactivity with Increasing Nucleophile Basicity. The Effect of Solvation on βnuc for Phosphoryl Transfer to Amines.
Authors: JENCKS W. P. , HABER M. T. , HERSCHLAG D. , NAZARETIAN K. L.
Published: May 2016

Plots of logs of rate constants against the pKa values of quinuclidines (I) for their reactions with phosphate derivatives (II) lead to negative values of βm, attributed to a desolvation before nucleophilic attack.
ChemInform Abstract: Reactions of an Allylic Carbocation with Nucleophiles in Aqueous Solvents.
Authors: THIBBLIN A.
Published: May 2016

Solvolysis of the acetate (I) is carried out in aqueous solvents of varying polarity.
ChemInform Abstract: Cycloaddition Reactions of Strained Ring Systems. Photosensitized [2 + 2] Cycloadditions of 2‐(Acyloxy)‐Substituted Cyclopropenes.
Authors: PADWA A. , KENNEDY G. D. , WANNAMAKER M. W.
Published: May 2016

Die durch Thioxanthenon sensibilisierte [2 + 2]‐Photocycloaddition des Cyclopropens (I) an die Olefine (II) führt zu den Cycloaddukten (III), die thermisch zu den Isomeren (IV) umgelagert werden.
ChemInform Abstract: Rapid and Selective Detritylation of Primary Alcohols Using Formic Acid.
Authors: BESSODES M. , KOMIOTIS D. , ANTONAKIS K.
Published: May 2016

Zahlreiche Tritylether (I) werden durch Behandlung mit Ameisensäure zu den freien Hydroxylverbindungen (II) detrityliert.
ChemInform Abstract: Intramolecular N‐H, O‐H and S‐H Insertion Reactions. Synthesis of Heterocycles from α‐Diazo β‐Keto Esters.
Authors: MOYER M. P. , FELDMAN P. L. , RAPOPORT H.
Published: May 2016

Bei der durch Rhodiumacetat (VI) katalysierten Reaktion der a‐Diazoketoester (Va)‐(Vc) werden durch Carbenoid‐Insertion in die NH‐Bindung die 4‐, 5‐ und 6‐gliedrigen N‐Heterocyclen (VII), (IX) und (X) erhalten.
ChemInform Abstract: Halocarbon Chemistry. Part l. (2‐Hydroxyaryl)acetylenes from Haloethyl Aryl Ethers. A New O to C Rearrangement.
Authors: SUBRAMANIAN R. , JOHNSON F.
Published: May 2016

Die aus den Phenolen (I) hergestellten Tetrahalogenethylether (III) lagern sich bei der Einwirkung von Butyllithium in die im Titel genannten Verbindungen (IV) um.
ChemInform Abstract: Photochemistry of p‐Nitrophenyl Azide: Single‐Electron‐Transfer Reaction of the Triplet Nitrene.
Authors: LIANG T.‐Y. , SCHUSTER G. B.
Published: May 2016

Photolysis of (I) in the presence of the amine (III)‐leads to (V) and (VI) in addition to the dimer (IV) of the triplet nitrene (II).
ChemInform Abstract: Photoinduced Reactions of 3β‐Acetoxycholesta‐5,7‐diene, 3β‐Acetoxycholest‐5‐ene, Tetraphenylcyclopentadiene and 1,1‐Diphenylethylene with Oxygen in the Presence of Phenylselenenylbromide.
Authors: HAYNES R. K. , HILLIKER A. E.
Published: May 2016

I,I‐Diphenylethylen (I) reagiert mit Phenylselenenylbromid (II) in Gegenwart von Sauerstoff bei Bestrahlung zum Bromhydrin (III).
ChemInform Abstract: Sonochemical Barbier Reaction with Isocyanates and the Synthetic Use of the Organometallic Intermediate.
Authors: EINHORN J. , LUCHE J. L.
Published: May 2016

Bei derUmsetzung von Brombenzol (I) mit tert.‐Butylisocyanat (II) erhält man in Gegenwart von (Erd)Alkalimetallen und Ultraschall‐ Bestrahlung die Salze (III), die mit Säuren zum Anilid (IV) reagieren.
ChemInform Abstract: Mechanism of Olefin Epoxidation by Oxo ‐ Iron Porphyrins. Direct Observation of an Intermediate.
Authors: GROVES J. T. , WATANABE Y.
Published: May 2016

The oxo ‐ iron(IV) porphyrin radical species (I) form stable intermediates (III) (VIS) in the presence of olefins such as (II) or styrene in excess.
ChemInform Abstract: Epoxidations of Olefins by Peroxy Intermediate Generated in situ from CCl4 and Superoxide.
Authors: YAMAMOTO H. , MASHINO T. , NAGANO T. , HIROBE M.
Published: May 2016

Superoxide reacts with CCl4 in aprotic solvents [condition (A)] to yield an active peroxy species CClr‐COO", which can oxidize olefins (I), (III), (V), (VII) or (IX) to the corresponding epoxides (II) [either from (Ia) or from (Ib)], (IV), (VI), (VIII), or (X) as the main products.
ChemInform Abstract: Functionally Substituted Vinyl Carbanions. Part 25. Heteroatom Influence on Vinylic Deprotonation.
Authors: ATTA F. M. , BETZ R. , SCHMID B. , SCHMIDT R. R.
Published: May 2016

Direct lithiation of the (E)‐phosphonate (I) with LDA takes place at the l‐position; with the electrophiles (III), compounds (II) are obtained.
ChemInform Abstract: Controlled Functionalization in the Cycloheptane Ring Using Organomolybdenum Chemistry.
Authors: PEARSON A. J. , KHAN M. N. I.
Published: May 2016

Das aus dem Brom‐cyclohepten (I) hergestellte n3‐Cycloheptenyl‐ Mo(CO)2Cp (IV) wird durch Hydrid‐Abstraktion mit dem Trityliumsalz (V) in das Komplexsalz (VI) übergeführt.
ChemInform Abstract: Organomanganese(II) Reagents. Part 11. A Study of Their Reactions with Cyclic Conjugated Enones: Conjugate Addition and Reductive Dimerization.
Authors: CAHIEZ G. , ALAMI M.
Published: May 2016

Das Cyclohexenon (I) reagiert mit den Organo‐Manganverbindungen (II) bis (V) zu den 1,2‐Addukten (VI), den 1,4‐Addukten (VII) sowie dem Dimeren (VIII).
ChemInform Abstract: Reaction of 5,5‐Dimethyl‐3‐(trimethylhydrazino)‐2‐cyclohexen‐1‐one with Methyl‐eniminium Salts.
Authors: MOEHRLE H. + , ARZ P.
Published: May 2016

Das aus Trimethylhydrazin (I) und Dimedon (II) hergestellte Enhydrazin (III) reagiert mit den Methyleniminiumsalzen (IV) unter Aminomethylierung.
ChemInform Abstract: Saturated Analogues of Poison Ivy Allergens. Synthesis of trans,trans‐ and cis,trans‐ 3‐Alkyl‐1,2‐cyclohexanediols and Sensitizing Properties in Allergic Contact Dermatitis.
Authors: LEPOITTEVIN J.‐P. , BENEZRA C.
Published: May 2016

Aus dem Cyclohexenon (I) werden über (II) die trans,trans‐3‐Alkyl‐cyclohexandiole (III) als Analoga zum "Poison Ivy"‐Allergen (IV) hergestellt.
ChemInform Abstract: A New Synthesis of Secondary Allylic Aliphatic and Aromatic Amines.
Authors: SPALTENSTEIN A. , CARPINO P. A. , HOPKINS P. B.
Published: May 2016

Aus den Aminen (I) erhält man mit NCS und Allylseleniden (II) unter Substitution und Allylumlagerung die sekundären Amine (III), wobei verschiedene Zwischenstufen wie (IV) und deren Allylumlagerung diskutiert werden.
ChemInform Abstract: The Synthesis of Ketones via α‐Silyl Sulphides.
Authors: AGER D. J.
Published: May 2016

The silane (III) is obtained by silylation of benzyl phenyl sulphide (I).
ChemInform Abstract: Dimethyl Benzoquinone‐2,5‐dicarboxylate.
Authors: PADIAS A. B. , HALL H. K. JUN.
Published: May 2016

Das ausschließlich in der Diendiol‐ Form vorliegende Cyclohexan‐1,4‐dion (I) läßt sich nur mit aktiviertem Mangan(IV)‐oxid zum Hydrochinon (II) oxidieren.
ChemInform Abstract: Stereoselective Formation of a Hydrindane Ring System by Anionic Olefin Cyclization.
Authors: CHAMBERLIN A. R. , BLOOM S. H.
Published: May 2016

Das Vinyllithium‐Derivat (II), erhältlich durch Metallierung des Tosylhydrazons (I), lagert mit ei‐ 83 ner Halbwertzeit von einigen Minuten zu dem Hydrindan (III) um, das mit den Elektrophilen (IV) zu den Derivaten (V) reagiert.
ChemInform Abstract: Synthesis, Crystal Structure and Reactions of Non‐Substituted 3,5‐Pyrazolidinedione.
Authors: FRITSCH G. , ZINNER G. , BEIMEL M. , MOOTZ D. , WUNDERLICH H.
Published: May 2016

Die Cyclisierung des Malonesterhydrazids (I) mit NaOMe/MeOH führt zum 3,5‐Pyrazolindion (II), dessen Molekülgeometrie durch Röntgenstrukturanalyse bestimmt wird.
ChemInform Abstract: N‐Cyano‐N‐alkylimidazolium Ylids as Novel Intermediates to 2‐Cyano‐ imidazoles.
Authors: MCCARTHY J. R. , MATTHEWS D. P. , WHITTEN J. P.
Published: May 2016

N′‐Substituierte Imidazole (I) reagieren mit Chlor‐cyan und Triethylamin über die Zwischenstufen (II) und (III) zu den 2‐Cyan‐imidazolen (IV) in hohen Ausbeuten.
ChemInform Abstract: The Vilsmeier‐Haack Reaction with 3,4‐Disubstituted Isoxazolin‐5‐ones. A New Synthesis of 1,3‐Oxazin‐6‐ones and 1,3‐Oxazine‐2,6‐diones.
Authors: BECCALLI E. M. , MARCHESINI A. , MOLINARI H.
Published: May 2016

Aus den Isoxazolonen (I) entstehen nach Vilsmeier über die Zwischenstufen (II) und (III) die Oxazinone (IV).
ChemInform Abstract: Further Intramolecular Reactions of 1,2,4‐Triazines. Synthesis of Furo‐[2,3‐b]pyridines and Dihydropyrano[2,3‐b]pyridines.
Authors: TAYLOR E. C. , MACOR J. E.
Published: May 2016

Die Diketone (I) und S‐Methyl‐thiosemicarbazid (II) liefern die Methylthiotriazine (III), die zu den Sultonen (IV) oxidiert werden.
ChemInform Abstract: Migratory Selectivity in the Ring Expansion of α,β‐Unsaturated Cyclic Ketones via β‐Hydroxy Selenides.
Authors: PAQUETTE L. A. , PETERSON J. R. , ROSS R. J.
Published: May 2016

Acyclische (XV) und cyclische Enone wie (I), (VI) oder (XI) reagieren mit den aus den Selenoketalen (II) in situ erzeugten Anionen zu den a‐Phenylselenoalkoholen (XVI) bzw. (III), (VII), (VIII) oder (XII), die bei der Reaktion mit Thalliumethoxid in Chloroform die kettenverlängerten Ly‐ungesättigten Ketone (XVII) bzw. unter Ringerweiterung Gemische der α,β‐ (IV), (IX) oder (XIII) bzw. [im‐ungesättigten Cycloalkenone (V) oder (X) liefern.
ChemInform Abstract: Synthesis and Characterisation of Some Cobalt(II) Complexes of Schiff‐base Ligands and Their Reactions with Molecular Oxygen.
Authors: ASHMAWY F. M. , ISSA R. M. , AMER S. A. , MCAULIFFE C. A. , PARISH R. V.
Published: May 2016

The interaction of the ligands (I) with Co acetate in EtOH (NEt3, 20°C) produces the complexes (II)‐(IV) (yield about 95%), whereas with CoCl2 (reflux, 30 min) the compounds (V)‐(VII) (quantitative yield) are obtained.
ChemInform Abstract: Carbon ‐ Oxygen Bond Cleavage of Esters Promoted by Hydrido and Alkylcobalt(I) Complexes Having Triphenylphosphine Ligands. Isolation of an Insertion Intermediate and Molecular Structure of Phenoxotris(triphenylphosphine)cobalt(I).
Authors: HAYASHI Y. , YAMAMOTO T. , YAMAMOTO A. , KOMIYA S. , KUSHI Y.
Published: May 2016

The carbon ‐ oxygen bonds in the carboxylates (I) and (VIII) are selectively cleaved by the hydrido complex (II) to give the esters (III) and (IX), formed by a Tischchenko type dimerization of intermediate aldehydes (R‐ CHO).
ChemInform Abstract: Reactivity of Trinuclear Ruthenium Clusters with Mercury Halides.
Authors: ROSENBERG E. , RYCKMAN D. , HSU I.‐N. , GELLERT R. W.
Published: May 2016

When the c1uster compound (II) (prepared from (I) and Hglz) is reacted with Ru3(CO)12 in THF or CHCI; one major product, the novel Cluster (III), is obtained.
ChemInform Abstract: New Terdentate Ligands Containing Nitrogen and Phosphorus or Arsenic as Donor Atoms and Their Complexes with Ruthenium(II) and ‐(III).
Authors: KHAN M. M. T. , REDDY V. V. S.
Published: May 2016

The new ligands (V) are obtained as shown in the scheme.
ChemInform Abstract: Structure of a cis‐Dimetalla‐alkene Complex Formed by the Reaction of a Ruthenium(II) Complex with Bis(phenylethynyl)mercury(II).
Authors: DAUTER Z. , MAWBY R. J. , REYNOLDS C. D. , SAUNDERS D. R.
Published: May 2016

X‐ray investigation of the product of the reaction between the trans Complex (I) and the Hg compound (IIa) shows it to be the complex (I Ila) (space group P21/c, Z=4).
ChemInform Abstract: Additive trans Influences of the Axial Ligand and Metal‐Metal Bond in a Diplatinum(III) Complex Leading to an Asymmetric Structure with Penta‐ and Hexacoordination of the Two Metals.
Authors: LIPPERT B. , SCHOELLHORN H. + , THEWALT U.
Published: May 2016

Der durch Oxidation des cis‐Pt(ll) Komplexes (I) wie aufgezeichnet synthetisierte, luftstabile Diplatin(lll)‐Komplex (II) ist diamagnetisch und EPR‐inaktiv.
ChemInform Abstract: Halocarbon Chemistry. Part 2. Use of the 1,1‐Difluoro‐2,2‐dichloroethyl Group for Phenol Protection.
Authors: WILL S. G. , MAGRIOTIS P. , MARINELLI E. R. , DOLAN J. , JOHNSON F.
Published: May 2016

Die Difluor‐dichlorethyl‐Gruppe, als alkalisch leicht abspaltbare Schutzgruppe von Phenolen, verhindert bei der Torgov‐Synthese des Steroid‐Systems (IX) die Solvolyse des tertiären Alkohols bei der Überführung in das Acetat (V).
ChemInform Abstract: Allylic Rearrangement of 6‐Deoxyglycals Having Practical Utility.
Authors: BHATE P. , HORTON D. , PRIEBE W.
Published: May 2016

Die Allylumlagerung des Rhamnals (I) führt in Gegenwart von Alkoholen und Zinntetrachlorid selektiv zu den Glykosiden (II) und (III), wobei das jeweilige a‐L‐Anomere (II) Hauptprodukt ist.
ChemInform Abstract: Building Blocks of Oligosaccharides. Part 63. Synthesis of a Synthetic Block Containing N‐Acetylneuraminic Acid.
Authors: PAULSEN H. , TIETZ H.
Published: May 2016

Ausgehend von dem pera‐ cetylierten Lactal (I) wird zunächst, wie im Formelschema skizziert, das Disaccharid (Vd) synthetisiert.
ChemInform Abstract: Synthesis of the Oligosaccharide Moieties of Musettamycin and Marcellomycin, New Antitumor Antibiotics.
Authors: MONNERET C. , MARTIN A. , PAIS M.
Published: May 2016

Die Synthese der Oligosaccharide (II) bzw. (III) aus dem Disaccharid (I) wird ausführlich beschrieben.
ChemInform Abstract: A New General Synthesis of Hydroxy‐ and Methoxy‐isoflavanones.
Authors: JAIN A. C. , MEHTA A.
Published: May 2016

The desoxybenzoines (IIa)‐(IIf) react with ethoxymethyl Chloride (I) to give the alcohols (III), which are converted to the isoflavanones (IVa)‐(IVd), (IVg) and (IVh) with overall yields of 47‐73% from (II).
ChemInform Abstract: Crystal Structure of Na2Ta4O11.
Authors: MATTES R. , SCHAPER J.
Published: May 2016

Transparent single crystals of the title compound (already described in the literature) are obtained by annealing NaTaO3 and WO3 (3.321) in a Pt crucible at lO60°C (40h).
ChemInform Abstract: Photoelectrochemical Cell with Liquid (Ohmic) Semiconductor‐Liquid (Schottky Barrier) System.
Authors: SHARON M. , RAO G. R.
Published: May 2016

It is clearly shown that it is possible to form photoelectrochemical cells which have an ohmic contact through an electrolyte on one side and a Schottky barrier contact at the illuminated side.
ChemInform Abstract: Corrosion of Graphite Intercalation Compounds (GIC).
Authors: BECK F. , KROHN H. , ZIMMER E.
Published: May 2016

Corrosion ofGlC in H3SO4 and HClO4 solutions has been investigated with charged graphite (80 wL‐Ü/ o/polypropylene (20 wL‐′F/iy) composite electrodes (CPP).
ChemInform Abstract: Homologation of Small Alkanes on Pt, Pd and Ni Catalysts.
Authors: SARKANY A.
Published: May 2016

Chain lengthening homologation of propane, n‐butane, isobutane, isopentane and 2,2‐dimethylpropane has been investigated over Pt, Pd and Ni catalysts.
ChemInform Abstract: Synthesis of Heterocycles. Part 9. Reactions of 3‐Substituted 5‐Trifluoromethyl‐ 1,3,4‐oxadiazol‐2(3H)‐one with Nucleophiles.
Authors: KRISTINSSON H. , WINKLER T. , MOLLENKOPF M.
Published: May 2016

Reaction of the hydrazide (I) with phosgene (II) yieIds the oxadiazolone (III), which is converted to the halides (Va) and (Vb).
ChemInform Abstract: On the Nonexistence of a Simple μ‐Oxo‐diphosphorane Involving Two 1,3,5,7‐Tetramethyl‐1,3,5,7‐tetra‐aza‐4λ5‐phospha‐spiro[3.3]heptane‐2,6‐dione Groupings. Preparation and Structure of a λ5P‐O‐λ5P Diphosphorane Doubly Bridged with N,N′‐Dimethylurea.
Authors: SCHOMBURG D. , WERMUTH U. , SCHMUTZLER R.
Published: May 2016

O ‐ Ä5P Diphosphorane Doubly Bridged with N,N′‐Dimethylurea.
ChemInform Abstract: Three Novel Spin‐Labeled Substrates for Enzymatic Incorporation into Nucleic Acid Lattices.
Authors: TOPPIN C. R. , PAULY G. T. , DEVANESAN P. , KRYAK D. , BOBST A. M.
Published: May 2016

The C(4)‐spin‐labeled nucleotides (IVa), (IVb), and (VII) are Synthesized by reaction of the nucleotides (I) or (V) (prepared, in turn, by literature methods) with the reagents (II), (III) or (VI), respectively.