bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Oxidative Coupling of Quinones and Aromatic Compounds by Palladium(II) Acetate.
Authors: ITAHARA T.
Published: May 2016

Aromaten (I) reagieren mit Pd(II)‐acetat (II) über die Zwischenstufen (III) mit Chinon (IV) über (V) zu den 2‐Aryl‐chinonen (VI); daneben werden Diaryl‐chinone (VII) und (VIII) erhalten.
ChemInform Abstract: Perfluorinated Para‐Element Imido Derivatives.
Authors: HAAS A. , PETERMAN K.
Published: May 2016

Es werden die im Formelschema aufgeführten Reaktionen des Imidoyl‐Derivates (I) beschrieben und umfassend diskutiert.
ChemInform Abstract: Pyrolysis of Dithiocarbonates Derived from Aromatic Compounds and from Pentaerythritol.
Authors: KRYCZKA B. , DESCOTES G.
Published: May 2016

The thermolysis of several dithiocarbonates ‐ prepared from the corresponding alcohols (I), (IXa) and (XIa) ‐ are studied.
ChemInform Abstract: A Simple Access to 2‐Epoxy Alcohols: Titanium(IV)‐Catalyzed Oxygen Transfer from Allylic Hydroperoxides.
Authors: ADAM W. , GRIESBECK A. , STAAB E.
Published: May 2016

In the presence of catalytic or stoichiometric amounts of Ti(O‐iPr)4, the hydroperoxides (I) are transformed to the epoxides (II) (discussion of the mechanism).
ChemInform Abstract: Synthesis of Some Benzothiazole Derivatives of Expected Biological Activity.
Authors: MOHARRAM H. H. , EL BAYOUKI K. A. , MANSOUR S. A.
Published: May 2016

Die Umsetzung der Grignard‐Verbindung (I) mit verschiedenen Aldehyden und Ketonen (II) wird beschrieben.
ChemInform Abstract: Preparation of Some 2‐(2′H‐Benzotriazol‐2′‐yl)phenol UV Absorbers: Application of the Transalkylation Reaction.
Authors: ROSEVEAR J. , WILSHIRE J. F. K.
Published: May 2016

Um Wolle gegen schädliche Einflüsse von Lichteinwirkung zu schützen, werden Verbindungen vom Typ (III) mit unsubstituierter 4‐Stellung am Phenolring benötigt.
ChemInform Abstract: A Selective Synthesis of 3‐Alkyl‐4‐halotetrahydropyrans via the Titanium Tetrahalide Promoted Cyclization of Unsaturated Acetals.
Authors: WINSTEAD R. C. , SIMPSON T. H. , LOCK G. A. , SCHIAVELLI M. D. , THOMPSON D. W.
Published: May 2016

Aus den ungesättigten Acetalen (I), (IV), (VI) bzw. (VIII) erhält man bei der Cyclisierung mit Titantetrahalogeniden (II) die entsprechenden 4‐I‐Ialogen‐tetrahydropyrane (III), (V), (VII) bzw. (IX) in weitgehend sterisch einheitlicher Reaktion und in hohen Ausbeuten.
ChemInform Abstract: A One‐Step Highly Stereocontrolled Synthesis of (‐)‐ and (+)‐Hexahydrocannabinol and Related Compounds.
Authors: CASIRAGHI G. , CORNIA M. , CASNATI G. , GASPARRI FAVA G. , FERRARI BELICCHI M.
Published: May 2016

Durch Kondensation von (+)‐ (II) und (‐)‐Citronellal (IV) mit Phenolen (I) erhält man die im Titel genannten Verbindungen (III) und (V).
ChemInform Abstract: Reactions of Uracils. Part 7. Synthesis and Novel Consecutive Thermal [1,5]‐Sigmatropic Rearrangements of 6‐(Alkylamino)‐5‐ethenyluracils.
Authors: MATYUS P. , ZOLYOMI G. , ECKHARDT G. , WAMHOFF H.
Published: May 2016

Under basic conditions in the presence of catalytic amounts of DBN the compounds (II) are cyclized to the pyridopyrimidine triones (III), while the thermal reaction with Dowtherm A (followed by chromatography on silica with CHCl3/methanol being last eluent) or in refluxing xylene results in the formation of the dealkylated (and rearranged) uracil derivative (IV).
ChemInform Abstract: Fluoro‐Ketones. Part 8. Synthesis of Some Fluoroquinoxaline Compounds from Fluoroketones.
Authors: CHEN L. S. , EISENTRAUT K. J. , SABA C. S. , RYAN M. T. , TAMBORSKI C.
Published: May 2016

Die Reaktion von o‐Phenylendiamin (I) mit dem Perfluordiketon (II) liefert primär das Additionsprodukt (III), aus dem über (IV) das Chinoxalin (V) als Hauptprodukt sowie das Chinoxalinon (VI) neben (VII) entstehen.
ChemInform Abstract: Oxidative Aminomercuration of 2‐Propyn‐1‐ols. Stereoselective Syntheses and Structures of cis‐[1,4]Oxazino[3,2‐b]‐1,4‐oxazine Derivatives.
Authors: BARLUENGA J. , AZNAR F. , LIZ R. , CABAL M.‐P. , CANO F. H. , FOCES‐FOCES C.
Published: May 2016

2‐Aminophenol (I) reacts, in the presence of HgClg, with the corresponding alcohols (II) to give the compounds (III) (structure assignment: 5aR ,l laR ).
ChemInform Abstract: Herbicidal Compounds. Part 6. Nucleus‐Fluorinated 2,4‐Dianilino‐6‐(dihexylamino)‐1,3,5‐triazines.
Authors: KREUTZBERGER A. , ROSE U.
Published: May 2016

Durch Umsetzung der Aniline (II) mit dem 2,4‐Dichlor‐6‐(dicyclohexylamino)‐triazin (I) werden die Triazin‐Derivate (III) hergestellt.
ChemInform Abstract: The Reaction of Trichlorosilane with Enamines.
Authors: SNYDER D. C.
Published: May 2016

Trichlorsilan (II) wird regioselektiv an die Enamine (I) unter Bildung der Silane (III) addiert.
ChemInform Abstract: Seven‐ (N2O2Si3) and Eight‐membered (N2O2Si4) Rings from a (Hydroxysilyl)hydrazine and 1‐Amino‐3‐fluorosiloxanes.
Authors: GRAALMANN O. , KLINGEBIEL U. , MEYER M.
Published: May 2016

Some reactions of the chlorosilanol (I) are studied.
ChemInform Abstract: 125Te NMR and Mass Spectra of Dithiotellurides.
Authors: MAZUREK W. , MORITZ A. G. , O'CONNOR M. J.
Published: May 2016

The dithiotellurides (Ia) are prepared from TeOz and HSR in ether or from TeClö and HSR in ethanol or acetone.
ChemInform Abstract: Polygermanes. Part 14. Polygermanes as By‐Products in the Grignard Reaction of PhMgBr with GeCl4.
Authors: ROLLER S. , SIMON D. , DRAEGER M. +
Published: May 2016

Die bei der Grignard‐Reaktion von Phenylmagnesiumbromid (I) mit dem Germaniumchlorid (II) als Nebenprodukte entstehenden Germane (V) und (VI) werden isoliert, gereinigt und charakterisiert.
ChemInform Abstract: Transition Metal Heterocyclic Complexes. Part 2. Synthesis and Electrochemistry of Carbonyl Chromium Complexes in the Bithiophen Series.
Authors: HERRMANN W. A. , ANDREJEWSKI D.
Published: May 2016

The (substituted) (bithiophene)tricarbonyl‐Cr complexes (III) are formed upon treatment of tricarbonyltris(y‐picoline)‐Cr(0) (I) with the 2,2′‐bithiophenes (II) in the presence of the Lewis acid BF3.
ChemInform Abstract: Reactions of Coordinated Dinitrogen. Part 17. Structural Characterization of Two Isomeric Hydrazido(2‐) Intermediates in the Conversion of Molybdenum‐Bound Dinitrogen to Ammonia and Hydrazine.
Authors: GEBREYES K. , ZUBIETA J. , GEORGE T. A. , KOCZON L. M. , TISDALE R. C.
Published: May 2016

The reaction of anhydrous HCl with the solid N2 complex (I) gives a mixture of the two isomeric hydrazido intermediates (II) and (IIIa), from which (II) is isolated out of a toluene solution containing an excess of PPhMez; the isomer is isolated as its diphenylmethylphosphine Substitution product (IIIb).
ChemInform Abstract: Synthesis, Characterization, and X‐Ray Structural Determinations of Technetium(V)‐ Oxo‐Tetradentate Amine Oxime Complexes.
Authors: JURISSON S. , SCHLEMPER E. O. , TROUTNER D. E. , CANNING L. R. , NOWOTNIK D. P. , NEIRINCKX R. D.
Published: May 2016

The neutral and lipophilic Tc(V)tit1e complexes (I) are synthesized by the reduction of ammonium pertechnetate with stannous tartrate in the presence of the appropriate methyl‐substituted 4,8‐diazaundecane‐1,10‐dione dioximes.
ChemInform Abstract: Formation of an Iron(III) Porphyrin Complex with a Nitrene Moiety Inserted into a Fe‐N Bond During Alkene Aziridination by [(Tosylimido)iodo]benzene Catalyzed by Iron(III) Porphyrins
Authors: MAHY J.‐P. , BATTIONI P. , MANSUY D.
Published: May 2016

Aziridation of cyclooctene (I) [(tosylimido)iodolbenzene (II) in the presence of catalytic amounts of Fe(III) tetraphenylporphyrin (III) leads to the N‐tosylaziridine (IV) of cyclooctene and to tosylamide (V).
ChemInform Abstract: Reactions of Coordinated Molecules. Part 45. Identification of Another Isomer of (Ferra β‐diketonato)difluoroboron Complexes.
Authors: AFZAL D. , LENHERT P. G. , LUKEHART C. M. , SRINIVASAN R.
Published: May 2016

Starting from the Fe pivaloyl complex (I) the (ferra β‐diketonato)BF2 complex (II) is prepared as shown.
ChemInform Abstract: Anionopentaaminecobalt(III) Complexes with Polyamine Ligands. Part 24. Isolation and Structure of mer‐[CoCl(tn)(1,5,9‐triazanon‐4‐ene)]ZnCl4.
Authors: RIESEN A. , ZEHNDER M. , HOUSE D. A.
Published: May 2016

The title complex (I) is obtained as a by‐product from the synthesis of trans‐CoC12(tn)2+ [tnr NH2(CH2)3NH;,‐] by dioxygen oxidation of Co(II) and the diamine in water at room temperature.
ChemInform Abstract: Synthesis, Spectroscopic and Magnetic Properties of Linear Nickel(II) and Cobalt(II) Trimers Containing Substituted 1,2,4‐Triazoles and Fluoride as Bridging Ligands.
Authors: RIETMEIJER F. J. , HAASNOOT J. G. , DEN HARTOG A. J. , REEDIJK J.
Published: May 2016

The trimeric Clusters (I) are synthesized by 1 22 molar reaction of CoFz or NiFz ‐ 4 H2O with the ligand in boiling water, followed by the addition of metal(II) thiocyanate solution and isolated mostly as hydrates.
ChemInform Abstract: Copper Complexes of a Flexible Binucleating Ligand. Syntheses and Spectroscopic, Thermodynamic, and Kinetic Studies.
Authors: YOUINOU M.‐T. , OSBORN J. A. , COLLIN J.‐P. , LAGRANGE P.
Published: May 2016

The macrocyclic "earmuff" ligand (IV) has been synthesized ‐ via the macrocycle (I) as a common intermediate ‐ by two procedures involving standard methods.
ChemInform Abstract: Synthesis of Cu3Os3H9(PMe2Ph)9, a Bimetallic Raft, by Reductive Elimination of Alcohol or H2.
Authors: LEMMEN T. H. , HUFFMAN J. C. , CAULTON K. G.
Published: May 2016

Der Metallkomplex (III) läßt sich auf den beiden im Formelschema beschriebenen Reaktionswegen darstellen.
ChemInform Abstract: Retinoids and Carotenoids. Part 5. Synthesis of Modified Retinals.
Authors: BESTMANN H. J. , ERMANN P. , RUEPPEL H. + , SPERLING W.
Published: May 2016

The title compounds (III) are synthesized by Wittig condensation of the aldehyde units (I) with the phosphonium Chloride (II) [various 11,13‐E/Zisomers(IIIa):‐(IIIo) are formed as shown in the scheme].
ChemInform Abstract: Synthesis of Macrolide Antibiotics. Part 4. Stereoselective Syntheses of the 3‐O‐Methyl and the 11‐O‐Methyl Derivatives of the C(1)‐C(6) Segment of Erythronolides A and B and the C(9)‐C(15) Segment of Erythronolide A, Respectively.
Authors: MILJKOVIC M. , CHOONG T. C. , GLISIN DJ.
Published: May 2016

A general stereoselective approach is developed for the Synthesis of the chiral carbon framework of the polyoxomacrolide aglycones of methymycin [= methynolide (I)], erythromycin Aand B [= erythronolide A (IIa) and B (IIb)], pricromycin [= picronolide (IIIa)], and narbomycin [ = narbonolide (IIIb)].
ChemInform Abstract: Sequential Electron‐Transfer‐Desilylation Methods for Diradical Photogeneration as Part of Synthetic Routes for Erythrina Alkaloid Synthesis.
Authors: AHMED‐SCHOFIELD R. , MARIANO P. S.
Published: May 2016

Aus Dihydro‐methylisochinolin (I) erhält man mit Butyllithium und den Alkenyl‐Derivaten (II), die z.B. aus (VII) bzw. (X) hergestellt werden, die Substitutionsprodukte (III).
ChemInform Abstract: Synthesis of 3‐Heterosubstituted Isocephem and Iso‐oxacephem Antibiotics.
Authors: MCCOMBIE S. W. , METZ W. A. , AFONSO A.
Published: May 2016

Aus N‐Dimethyl‐tert.‐butyl‐silyl‐vinyl‐azetidinon (Ia) werden die Derivate (Ib)‐(Ig) hergestellt.
ChemInform Abstract: Insect Sex Pheromones. Stereospecific Synthesis of (E)‐13,13‐Dimethyl‐11‐tetradecen‐1‐ol Acetate via a Thiophenol‐Mediated Olefin Inversion.
Authors: SCHWARZ M. , GRAMINSKI G. F. , WATERS R. M.
Published: May 2016

Das aus dem Acetylid (I) und dem Acetal (II) erhaltene Alkin (III) wird zum cis‐Olefin (IVa) hydriert und dann in Gegenwart von Thiophenol (V) zur trans‐Form (VIa) isomerisiert.
ChemInform Abstract: Crystal Structure of Anhydrous CsTlI4.
Authors: THIELE G. , ROTTER H. W. , ZIMMERMANN K.
Published: May 2016

The title thallate has been prepared by reaction of a 1:1 :l mixture of CsI, T11, and I2 in a closed system (450°C, 2h; then 220°C, 2 d) or by dehydration of CsTlI4‐ 2 H2O. It crystallizes in the monoclinic system (P21/c, Z=4).
ChemInform Abstract: Synthesis and Properties of CuCr2Te4 Films.
Authors: KONONOV V. P. , KOMALOV A. S. , GAVRICHKOV S. A. , POPOV G. V.
Published: May 2016

The title compound is prepared from powders of the elements, which are sputtered on glass plates preheated to 250°C. The title compound forms films whose thickness ranges from 0.2 to 254m. Some 2 physical properties of these films are studied.
ChemInform Abstract: Novel Ternary Stannides with a YCo6Ge6 Type Structure.
Authors: KORETSKAYA O. E. , SKOLOZDRA R. V.
Published: May 2016

The compounds LnFeÖSnG (Ln: H0, Y, Gd, Tb, Dy) are prepared from the elements.
ChemInform Abstract: New Quaternary Chalcogeno Halides.
Authors: BLACHNIK R. , DREISBACH H. A.
Published: May 2016

AgHgSI (I), AgHgSBr (II), and CuHgSI (III) have been synthesized by annealing mixtures of Ag(Cu) halides and HgS.
ChemInform Abstract: IR Spectra and Structure of Bridging Carbonyls in Fe2Ru(CO)12 and Fe3(CO)12.
Authors: DOBOS S. , NUNZIANTE‐CESARO S. , MALTESE M.
Published: May 2016

IR spectra of crystal, solution and pseudo‐gas phases (argon and nitrogen matrices) of Fe2Ru(CO),2 and of crystal and solution phases of Fe3(CO)12 were recorded and used to estimate structures and bond angles for bridging carbonyls.
ChemInform Abstract: The Interaction of Copper(II) with S‐Methylcysteine. Crystal and Molecular Structure of Bis(S‐methyl‐L‐cysteinato)copper(II).
Authors: DUBLER E. , CATHOMAS N. , JAMESON G. B.
Published: May 2016

Crystals of the title complex (I) have been grown from a solution on the surface of solid Cu2(OH)2CO3.
ChemInform Abstract: Ionic Surfactants Soluble in Hard Water and in Hydrocarbons: Behavior of Organized Surfactant Solutions as a Function of the Hydrophilic‐Lipophilic Balance.
Authors: SHINODA K. , MAEKAWA M. , SHIBATA Y.
Published: May 2016

Krafft points and CMC′s of the alkyloxypropylene sulfates (I) were determined.
ChemInform Abstract: Metal Ion‐‐Tetracycline Interactions in Biological Fluids. Part 6.
Authors: BRION M. , LAMBS L. , BERTHON G.
Published: May 2016

The formation constants of the title complexes in aqueous NaCl at 37°C have been calculated using a titrimetric method.
ChemInform Abstract: Monothioacetalization of Acetals Using Diethylaluminium Thiophenoxide.
Authors: MASAKI Y. , SERIZAWA Y. , KAJI K.
Published: May 2016

Aus den Acetalen (I) erhält man mit dem Diethylaluminium‐thiophenol (II) die Substitutionsprodukte (III) und (IV) sowie ein Gemisch isomerer Olefine (V).
ChemInform Abstract: Reaction of Pyrimidyl‐2‐phosphites with Proton‐Containing Nucleophilic Reagents.
Authors: GINIYATULLINA M. A. , PODZIGUN G. I. , REZNIK V. S.
Published: May 2016

Die Pyrimidylphosphite (I) reagieren mit den Nucleophilen (II) zu den Phosphiten (III) und dem Pyrimidon (IV).
ChemInform Abstract: Organic Photochemistry. Part 74. Photocycloaddition Reaction of 3‐Aryl‐2‐isoxazolines with Indene.
Authors: KAWAMURA Y. , KUMAGAI T. , MUKAI T.
Published: May 2016

Inden (II) addiert bei der Bestrahlung die beiden 3‐Aryl‐2‐isoxazoline (Ia) und (Ib), während mit (Ic) und (Id) keine Inden‐Addukte gebildet werden.
ChemInform Abstract: Onium Ylide Chemistry. Part 5. Formaldehyde O‐Methylide, [CH2=O+‐C‐H2]: The Parent Carbonyl Ylide.
Authors: PRAKASH G. K. S. , ELLIS R. W. , FELBERG J. D. , OLAH G. A.
Published: May 2016

The O‐methylide (III) is shown to be an intermediate in the investigated reaction under both photochemical and thermal conditions (MS).
ChemInform Abstract: The Oxyiodination of 5,8‐Dimethoxy‐1,4‐dihydro‐1,4‐ethanonaphthalene.
Authors: SMITH W. B.
Published: May 2016

Das Dihydro‐ethanonaphthalin (I) führt bei der Oxyiodierung in Wasser oder Methanol zu den Umlagerungsprodukten (II) und (III); in Eisessig wird nur ein Isomeres (IIc) erhalten.
ChemInform Abstract: Nitration of Phenols with Nitrates in a Two‐Phase System.
Authors: GAUDE D. , LE GOALLER R. , PIERRE J. L.
Published: May 2016

Phenole (I) bzw. (IV) werden durch verdünnte Salpetersäure in einem Zweiphasensystem mit guter Selektivität in die Nitrophenole (II) und (III) bzw. (V) übergeführt.
ChemInform Abstract: A Facile Preparation of Some Furylesters.
Authors: HORMI O. E. O. , NAESMAN J. H. +
Published: May 2016

Aus dem 2(5H)‐Furanon (I) und den Säurechloriden (II) werden in Gegenwart von Triethylamin die 2‐Acyloxyfurane (III) erhalten.
ChemInform Abstract: Asymmetric Additions of 1‐Alkenylcopper Reagents to Chiral Enoates: Enantioselective Synthesis of California Red Scale Pheromone.
Authors: OPPOLZER W. , STEVENSON T.
Published: May 2016

Die durch Tributylphosphin stabilisierten Alkenylkupfenorganyle (II) addieren sich an die chiralen α,β‐ungesättigten Ester (I) unter Bildung der (R)‐konfigurierten Ester (III), die unter Rückgewinnung der chiralen Hilfskomponente zu den Carbonsäuren (R)‐(IV) hydrolysiert werden.
ChemInform Abstract: A Novel, Unequivocal Synthesis of Polyethylene Glycols.
Authors: COUDERT G. , MPASSI M. , GUILLAUMET G. , SELVE C.
Published: May 2016

Durch O‐Alkylierung der Oligoethylenglykolmonobenzylether (Ib) durch die Chlor‐Derivate (II) werden die Dibenzylether (III) erhalten, aus denen die Polyethylenglykole (IV) durch reduktive Debenzylierung zugänglich sind.
ChemInform Abstract: Nickel‐Catalyzed Coupling of Activated Alkenes with Organic Halides.
Authors: BOLDRINI G. P. , SAVOIA D. , TAGLIAVINI E. , TROMBINI C. , UMANI‐RONCHI A.
Published: May 2016

Die aktivierten Olefine (II) können unter Nickelkatalyse in Gegenwart von Zink mit den Alkyl‐ und Arylhalogeniden (I) zu den Kupplungsprodukten (IV)‐(VI) umgesetzt werden.
ChemInform Abstract: Synthesis of Novel Mono‐ and Dihalogenated Salicylic Acid Derivatives.
Authors: SCHMIDT H.‐W. , DWORCZAK R.
Published: May 2016

Halogenation of the ethyl salicylate (Ia) gives (Ib).
ChemInform Abstract: Anionic Activation by Fluoride Ion in Solid‐Liquid Systems. Synthesis of 3(2H)‐Furanones and 2(5H)‐Furanones.
Authors: SEBTI S. , FOUCAUD A.
Published: May 2016

Fluoride ion is an efficient base for the heterocyclization of the compounds (I) to give furanones, e.g. (III) and (IV) [the alcohols (II) are formed in all cases, and the dihydrooxazolone (V) is produced from (Id).
ChemInform Abstract: A New Synthesis of Benzo[b]thiophenes and Benzo[c]thiophenes by Annulation of Di‐ substituted Thiophenes.
Authors: TERPSTRA J. W. , VAN LEUSEN A. M.
Published: May 2016

Aus dem 3‐Thienylmethylsulfoxid (I) erhält man mit den aktivierten Olefinen (II) die Addukte (II I), die bis auf (IIIf)‐(IIIh) unter Eliminierung in die Benzothiophene (IV) übergehen.
ChemInform Abstract: An Efficient and Highly Regioselective Intramolecular Mannich‐Type Reaction: A Construction of the AEF Ring System of Aconitine‐Type Diterpene Alkaloids.
Authors: SHISHIDO K. , HIROYA K. , FUKUMOTO K. , KAMETANI T.
Published: May 2016

Ausgehend vom Isopren (I) und dem Methacrylsäureester (II) bzw. dem Keton (VI) werden gemäß Schema in zwei mehrstufigen Synthesefolgen die Amine (IV) bzw. (XIV) hergestellt, die mit Formaldehyd in einer intramolekularen Mannich‐Reaktion nahezu quantitativ zu dem Bicyclus (V) bzw. dem Tricyclus (XV) reagieren.
ChemInform Abstract: Organophosphorus Compounds. Part 36. Reaction of Alkyl Phosphites with Monoanils of Benzil and o‐Naphthoquinone.
Authors: SIDKY M. M. , MAHRAN M. R. H. , ABDOU W. M. , HAFEZ T. S.
Published: May 2016

Die Additionvon Dialkylphosphiten (II) an die Monoanile (I) und (IV) wird untersucht.
ChemInform Abstract: Acylation of Arsenic β‐Keto Ylides with Acyl Halides.
Authors: NESMEYANOV N. A. , KHARITONOV V. G. , BERMAN S. T. , PETROVSKII P. V. , REUTOV O. A.
Published: May 2016

Die Arsorane (I) reagieren mit den Acylbromiden (II) zu Gemischen der Arsoniumverbindunen (III)‐(V).
ChemInform Abstract: (CH3C5H4)2V2S4 as an Organometallic Ligand: Preparation of Iron, Cobalt, Nickel, and Iridium Derivatives and Structures of a V4Ni Cluster and Three V2Fe Clusters.
Authors: BOLINGER C. M. , WEATHERILL T. D. , RAUCHFUSS T. B. , RHEINGOLD A. L. , DAY C. S. , WILSON S. R.
Published: May 2016

The reactions of the title compound (II) with appropriate Fe, Co, Ir, and Ni Complexes lead to the Clusters (I) and (III).
ChemInform Abstract: Photolysis of Group 6 Metal Hexacarbonyl Solutions Containing Diimine Ligands.
Authors: SCHADT M. J. , LEES A. J.
Published: May 2016

The time‐dependent electronic absorption spectra of M(CO)6 (M: M0, Cr, W) solutions Containing diimine ligands (1,10‐phenanthroline, 2,2′‐bipyridine, 1,4‐diazabutadiene, or derivatives of them) after photolysis indicate rapide formation of a reaction intermediate that is assigned to be M(CO)5L where L is a monodentate coordinated diimine 1igand.This species extrudes COthermal1yto form stable M(CO)4L. NO discernable M(CO)5L intermediates were observed when L = LIO‐phenanthroline or one of its derivatives consistent with the rigid coplanar nature of these ligands.
ChemInform Abstract: Olefin Hydroformylation Catalyzed by a Cobalt Carbonyl Complex Containing a Water‐soluble Phosphine.
Authors: MARKIEWICZ M. K. , BAIRD M. C.
Published: May 2016

Co2(CO)8 and l‐dimethylamino‐2‐diphenylphosphinoethane reacted in benzene at room temp. to yield (I), which on addition of an excess of Mel in Et2O (N2, 8h) followed by addition of NaPFö in MeOH gave (II).
ChemInform Abstract: Relationship of Adduct Formation to Bimolecular Reductive Elimination from Rhodium Polyhydrides.
Authors: GEERTS R. L. , HUFFMAN J. C. , CAULTON K. G.
Published: May 2016

The soluble Zn complex (II) was synthesized from Zn[N(Si‐ Me3)2]2 and HOR in THF.
ChemInform Abstract: Total Synthesis of Modhephene.
Authors: MUNDY B. P. , WILKENING D. , LIPKOWITZ K. B.
Published: May 2016

Der Bernsteinsäureester (I) wird über das Dianion zum Cyclopentandicarbonsäureester (III) und weiter zu dem Bicyclus (V) umgesetzt, der über eine Dehydratisierung zu (VI) bei der katalytischen Hydrierung zu einem bicyclischen Dicarbonsäureester (VII) führt.
ChemInform Abstract: Controlled Access to Furanose Precursors Related to Sesquiterpene Lactones.
Authors: GEORGES M. , FRASER‐REID B.
Published: May 2016

Die Synthese von Sesquiterpen‐Lactonen wie (II) sowie Ketonen wie (III) aus der Ausgangsverbindung (I) wird untersucht.
ChemInform Abstract: Partial Syntheses of 21,27‐Bisnordemissidine from Epiandrosterone and Dehydroepiandrosterone Acetates. Crystal and Molecular Structure of 21,27‐Bisnordemissidine Hydrobromide.
Authors: MILJKOVIC D. , GASI K. , KINDJER M. , STANKOVIC S. , RIBAR B. , ARGAY G.
Published: May 2016

The steroids (IVa), (IVb) synthesized starting from (Ia), (Ib) are transformed into mixtures of the isomers (Va) + (VIa) or (Vb) + (VIb), respectively, which are hydrogenated (with careful investigations of the conditions) to give the acetate (VIIa) of the target compound (VIIc).
ChemInform Abstract: 3‐Methoxy‐4‐(2‐nitrovinyl)phenyl Glycosides as Potential Chromogenic Substrates for the Assay of Glycosidases.
Authors: PATEL A. , RICHARDSON A. C.
Published: May 2016

Durch selektive Glykosidierung des Dihydroxybenzaldehyds (I I) mit dem Bromid (I) entsteht die Verbindung (IIIa), die nach Methylierung und Desacetylierung mit Nitromethan zu dem im Titel genannten Glucosid (IV) kondensiert wird.
ChemInform Abstract: Synthesis of N‐Trifluoroacetyl‐L‐acosamine, N‐Trifluoroacetyl‐L‐daunosamine and Their 1‐Thio Analogs.
Authors: PELYVAS I. , HASEGAWA A. , WHISTLER R. L.
Published: May 2016

Entsprechend der im Formelschema skizzierten Umsetzungen gelingt die Synthese der im Titel genannten Verblindungen (V), (VI), (IX) und (X).
ChemInform Abstract: An Approach to the Synthesis of α‐L‐Fucopyranosyl Phosphoric Mono‐ and Diesters via Phosphite Intermediates.
Authors: WESTERDUIN P. , VEENEMAN G. H. , MARUGG J. E. , VAN DER MAREL G. A. , VAN BOOM J. H.
Published: May 2016

Das aus dem L‐Fucopyranose‐Derivat (II) und dem Reagens (I) gut zugängliche Phosphit (III) wird nach üblichen Verfahren oxidativ in die Natriumsalze des Phosphorsäureamids (V) bzw. der Phosphorsäure (VII) übergeführt.
ChemInform Abstract: Crystal Structure of Tetramethylammonium catena‐μ4‐Bromo‐di‐μ‐bromo‐diargentate(I), [N(CH3)4][Ag2Br3].
Authors: JAGNER S. , OLSON S. , STOMBERG R.
Published: May 2016

The title compound crystallizes in the orthorhombic system, space group Pnma.
ChemInform Abstract: Potentiometric Study of Azide Complexes of Iron(III) in Aqueous Medium.
Authors: NEVES E. A. , DE ANDRADE J. F.
Published: May 2016

The stepwise formation of Fe(III) ‐ azide complexes has been investigated a: 25 "C in 3 M NaClO.
ChemInform Abstract: Thermodynamic Investigation of Gaseous Yttrium Germanides and Silicides.
Authors: KINGCADE J. E. JUN. , GINGERICH K. A.
Published: May 2016

The gaseous molecules YGe, YSi, and Ysi; have been identified by high temp. MS abo.
ChemInform Abstract: IR Spectroscopic Study of Adsorbed Species Formed on Electrodes During the Fe(CN)3‐/4‐6 Charge Transfer Reaction.
Authors: NIWA K. , DOBLHOFER K.
Published: May 2016

The results of IRAS (IR reflection‐absorption spectroscopy) experiments on Au and Pt surfaces, which have been emersed from electrolytes containing the Fe(CN)63‐/4‐ couple, indicate the absence of a strong specific adsorption of these redox ions.
ChemInform Abstract: First Crystal Structure Analysis of an Aliphatic Carbocation. Stabilization by C‐C‐ Hyperconjugation.
Authors: LAUBE T.
Published: May 2016

Treatment of 1‐fluoro‐3,SJ‐trimethyladamantane with antimony pentafluoride leads to the salt (Ic) (no yield given), from which monocrystals are available.
ChemInform Abstract: Complexes of Vitamin B6. Part 17. Crystal Structure and Molecular Orbital Calculations of the Dichloro‐bis‐pyridoxol Palladium(II) Complex.
Authors: MAKHYOUN M. A. , AL‐SALEM N. A. , EL‐EZABY M. S.
Published: May 2016

The title complex (I) crystallizes in the space group P21/c with Z=2.
ChemInform Abstract: Carcinogenic Alkylation of Nucleic Acid Bases. Structure and Conformation of O4‐Ethyl‐2′‐deoxythymidine in the Solid State and in Solution.
Authors: BIRNBAUM G. I. , SADANA K. L. , BLONSKI W. J. P. , HRUSKA F. E.
Published: May 2016

An X‐ray analysis of (Ia), the first deoxyriboside with an O‐alkylated base, is undenaken (space group P2.
ChemInform Abstract: Unsymmetrical Anodic C‐C Coupling of 2,6‐Di‐tert‐butyl‐4‐methylphenol.
Authors: OHMORI H. , UEDA C. , NAKAGAWA T. , NISHIGUCHI S. , JEONG J. , MASUI M.
Published: May 2016

Ditert.‐butyl‐4‐methylphenol (I) läßt sich in Gegenwart der Amine (II) anodisch zu einem Gemisch aus den Hydroxybcnzylammoniumsalzen (III) und den C‐C‐Dimeren (IV) und (V) oxidicren.
ChemInform Abstract: Nitrosoalkanoic Structure of Products Obtained by the Thermolysis of β‐(N‐Nitrosohydroxylamino)hydrocinnamic Acid Derivatives.
Authors: SHTAMBURG' V. G. , RUDCHENKO V. F. , KOSTYANOVSKII R. G.
Published: May 2016

Die Hydroxylaminodihydrozimtsäure (Ia) bzw. ihr Methylester (Ib) werden zu den N‐Nitrosoverbindungen (H) nitrosiert, deren Thermolyse zu den dimeren C‐Nitrosoverbindungen (III) führL Thermolyse von (IIIa) in Methanol ergibt Acetophenonoxim (IV).
ChemInform Abstract: Aminoazole Imines. Part 2. Synthesis and Characterisation of Some 2‐Amino‐thiazole, ‐benzothiazole, ‐benzoxazole and 3‐Amino‐1,2,4‐triazole Imines.
Authors: GLATT H.‐H. , BARRY M. F. , CSUNDERLIK C. , BACALOGLU R. , BOTOACA M. , SAVU‐BOTOACA S. , FECHETE D.
Published: May 2016

Man erhält die Azolimine (III) durch Kondensation der Aminoazole (I) mit den Benzaldehyden (II).
ChemInform Abstract: A Facile Photochemical Rearrangement of 2‐Vinyl‐1,1‐bis‐(bromomethyl)cyclopropane to 6‐Bromo‐2‐(bromomethyl)hexa‐1,4‐diene.
Authors: ZEFIROV N. S. , KOZHUSHKOV S. I. , KUZNETSOVA T. S. , SOSONKIN I. M.
Published: May 2016

The title compound (I), on photolysis, isomerizes to the hexadiene (II).
ChemInform Abstract: Thallium in Organic Synthesis. Part 67. Intramolecular Capture of Aromatic Radical Cations by an N‐Tosyl Group.
Authors: MCKILLOP A. , DAVIES H. M. L. , TAYLOR E. C.
Published: May 2016

Während das TetrahydroisochinoIin‐trifluoraceta! (Ia) mit dem "Iha Iium(III)‐Salz (II) das Produkt (III) der intramolekularen oxidati′ ven Kupplung ergibt, entsteht aus dem Tosylat (Ib) das Oxidationsprodukt (IV).
ChemInform Abstract: High‐ and Low‐Potential Flavin Mimics. Part 3. 3,7,10‐Trimethyl‐(1H,3H,5H,7H,9H,10H)‐pyrimido[5,4‐g]pteridine‐2,4,6,8‐tetrone‐Mediated Reduction of Carbon ‐ Carbon Double Bonds α ‐ β to an Acyl Function.
Authors: SKIBO E. B. , BRUICE T. C.
Published: May 2016

Kinetic investigations of the reduction of the imides (I) indicate three processes; the first is the formation of the adducts (III) and (IV).
ChemInform Abstract: Carboxamide and Carbalkoxy Group Directed Stereoselective Iridium‐Catalyzed Homogeneous Olefin Hydrogenations.
Authors: SCHULTZ A. G. , MCCLOSKEY P. J.
Published: May 2016

In Gegenwan des Ir‐Katalysators (II) werden Cyclohexene mit Amid‐ und Ester‐Gruppierungen wie (I) und (IV) sowie entsprechende Polyene wie (VI), (VIII) oder (X) stereospezifisch zu weitgehend einheitlichen Hydrierungsprodukten umgesetzt.
ChemInform Abstract: Amino Acids Containing Fluorine. Part 1. A Convenient Method for the synthesis of D,L‐β,β,β‐Trifluoroalanine.
Authors: YAGUPOL'SKII YU. L. , SOLOSHONOK V. A. , KUKHAR' V. P.
Published: May 2016

An improved synthesis of the title compound (V) Starting from the well known and easily accessible fluoroformyl derivative (I) is reported.
ChemInform Abstract: A Simple Synthesis of [3]‐Rotane.
Authors: ERDEN I.
Published: May 2016

Eine neue Synthese von [3]‐Rotan (V) erfolgt ausgehend von Bicyclopropyliden (I).
ChemInform Abstract: Nickel‐Induced Cyclotetramerisation of Cyclopropabenzene to 1,6:7,12:13,18:19,24‐Tetrakismethano[24]annulene .
Authors: MYNOTT R. , NEIDLEIN R. , SCHWAGER H. , WILKE G.
Published: May 2016

Cyclopropabenzene (Dm acts with the nickel‐complex (II) to give the complex (III).
ChemInform Abstract: Reaction of Arylamides of Sulfonic Acids wilh Nitrosaling Agents.
Authors: ZAKATOV V. V. , DUBINA V. L. , GLADSHTEIN I. YA.
Published: May 2016

The attemptgd nitrosation of the title compounds (I), (III) and (V) affords the mononitro de?va?.
ChemInform Abstract: Vinyl Ethers Containing an Epoxy Group. Part 9. Peculiarities of the Reaction of the Vinyloxyethyl Ether of Glycidol with Thiols.
Authors: NEDOLYA N. A. , KOMEL'KOVA V. I. , AL'PERT M. L. , TROFIMOV B. A.
Published: May 2016

The reaction between the vinylepox)′ compound (I) and the thiols (II) is investigated with the aim of preparing nove sulphur derivatives.
ChemInform Abstract: A Convenient Synthesis of Vinyl Spiro Epoxides from α,β‐Unsaturated Ketones.
Authors: TANIS S. P. , MCMILLS M. C. , HERRINTON P. M.
Published: May 2016

Cyclohexenon (I) reagiert mit Methylthiomethyllithium (II) zu einem Addukt (III), dessen Quaternierungsprodukl mit tert.‐Butylat zum Epoxid (V) führt.
ChemInform Abstract: Studies on Heterocyclic Enaminonitriles. Part 9. Ring Opening of 2‐Amino‐3‐cyano‐4,5‐dihydrofurans by the Use of Benzoyl(and Acetyl) Chlorides.
Authors: YAMAGATA K. , TOMIOKA Y. , YAMAZAKI M.
Published: May 2016

Die Iminocyano‐ 8 tetrahydrofurane (I) liefern mit den Carbonsäurechloriden (II) in Gegenwart von NaH und NaHCQ, die β‐Acyloxyethylmalonsäuredinitrile (III).
ChemInform Abstract: A Improved Synthesis of 3‐Hydroxymethylantipyrine Using Antipyrine as Starting Material.
Authors: BUIJS W. , VAN MEETEREN‐WAELCHLI B. + , BREIMER D. D. , VAN DER GEN A.
Published: May 2016

Ausgehend von Antipyrin (I) wird aufdem angegebenen Weg das Hydroxymethylantipyrin (IV) rein erhalten; (IV) ist einer der Hauptmetaboiiten von (I).
ChemInform Abstract: Synthesis and Anthelmintic Activity of 2,2′‐Disubstituted 5,5′‐Dibenzimidazolylsulfides and Sulfones.
Authors: ABUZAR S. , SHARMA S. , VISEN P. K. S. , GUPTA S. , KATIYAR J. C.
Published: May 2016

Auf dem angegebenen Weg werden die Tetramine ([11) und 2 hergestellt.
ChemInform Abstract: Study of α‐Diazoketones from Nicotinoyl and Furoyl Chlorides and Higher Diazoalkanes.
Authors: AGARWAL R. , BAHADUR P.
Published: May 2016

Nach Arndt‐Eistert werden die Säurechloride (I) und die Diazoalkane (II) zu den Diazoketoncn (III) umgesetzt, die in die Chlorketone (IV), ′ J" derivate (VIa) und die Benzoyloxyderivate (VIb) übergeführt werden.
ChemInform Abstract: The Synthesis and Biological Properties of the Derivatives of 4‐Heterylmercaptoquinazoline.
Authors: SINYAK R. S. , MAZUR I. A. , STETS V. R. , MARTINOVSKII A. A.
Published: May 2016

Durch Umsetzung des Chlorchinazolins (I) mit Mercaptochinolin oder Mercaptoacridinen oder von 4‐Mercaptochinazolin (III) mit entsprechenden Chlorchinolinen und Chloracridinen werden die HeterylmercaptochinazoIine (II) und (IV) synthetisiert.
ChemInform Abstract: The Synthesis and Study of the Cardiovascular Activity of the Derivatives of 6‐Nitro‐ 7‐oxo‐4,7‐dihydroazolo[1,5‐a]pyrimidine.
Authors: RUSINOV V. L. , PETROV A. YU. , PILICHEVA T. L. , CHUPAKHIN O. N. , KOVALEV G. V. , KOMINA E. R.
Published: May 2016

Die 5‐Aminopyrazole und ‐tria2ole (I) werden durch Kondensation mit Ethoxymethylen‐nitroessigsäureethylester (II) und anschließende alkalische Cyclisierung in 6‐Nltro‐7‐oxo‐4,7‐dihydropyrazolound ‐triazolo‐ pyrimidine (IV) umgewandelt.
ChemInform Abstract: On the Synthesis of 2,4‐Di(sec‐amino)‐1,3,5‐oxadiazinium Salts from Aroylchlorides and Dialkylcyanamides.
Authors: SCHROTH W. , KLUGE H.
Published: May 2016

The title compounds were prepared as the perchlorates (IV).
ChemInform Abstract: KH/18‐Crown‐6: A Powerful Base for the Protection of Hindered Alcohols with tert‐ Butyldimethylsilylchloride.
Authors: BRAISH T. F. , FUCHS P. L.
Published: May 2016

Einige Verfahren zur SiIyIierung von tertiären Alkoholen werden erprobt.
ChemInform Abstract: Tetrakis(diphenylphosphino)allene.
Authors: SCHMIDBAUR H. , POLLOK T.
Published: May 2016

The Iithiatcd form of the propyne (I) reacts with chlorodiphenylphosphine to give the title compound (II), oxidation of which with bisarimethylsilyl)peroxide affords the tetrakis phosphinoxide (IIIa) [for (IIIb) and (IIIc) no inslructions for preparation or yields are given, but their "Cand "P NMR data are presented].
ChemInform Abstract: Chemistry of Phosphorus. Part 164. (tBuP)2P ‐ P(Me)‐ P(tBuP)2: The First Bis(cyclotriphosphano)phosphane, a Novel P7R5 Structure Type.
Authors: BAUDLER M. , DE RIESE‐MEYER L.
Published: May 2016

The first bis(cyclotriphosphano)phosphane (III) has been synthesized by reaction of (I) with (II) in the molar ratio 2:1 [yield 90 P‐% (31P NMR) of two con?guralional isomers in the ratio 1:1].
ChemInform Abstract: Synthesis and Reactivity of Metal α‐Hydroxyalkyl Complexes; Generation of (CO)5MCH(C6H5)OH (M: Mn, Re).
Authors: SELOVER J. C. , VAUGHN G. D. , STROUSE C. E. , GLADYSZ J. A.
Published: May 2016

The reaction of the Mn‐substituted diketone (I) with LIBHEI, gives the metallacycle (II) which is isolated as its [(Ph,P)2N] ;alt (IIb).
ChemInform Abstract: Tetramethylallene and 2,4‐Dimethyl‐1,3‐pentadiene as Hydrogen Atom Acceptors in Reactions with HMn(CO)5 and HCo(CO)4.
Authors: GARST J. F. , BOCKMAN T. M. , BATLAW R.
Published: May 2016

Reactions of tetramethylallene (I) with the titlc metal hydrides proceed by Initial hydrogen atom transfer, providim the first examples of such reactions of nonconjugated alkenes.
ChemInform Abstract: Partial Purification and Characterization of Raucaffricine β‐D‐Glucosidase from Plant Cell‐Suspension Cultures of Rauwolfia serpentina Benth.
Authors: SCHUEBEL H. + , STOECKIGT J. + , FEICHT R. , SIMON H.
Published: May 2016

A highly substrate‐specific enzyme, raucaffricine β‐D‐glucosidase, is isolated from cell‐suspension cultures of R. serpentina.
ChemInform Abstract: Catalysis of Hydrosilylation and Metathesis of Viny1‐Substituted Silanes
Authors: MARCINIEC B.
Published: May 2016

Review: (27 refs.
ChemInform Abstract: Crystal Structure of Sodium Oxyfluoromolybdate, NaMoO3F.
Authors: MOUTOU J.‐M. , CHAMINADE J.‐P. , POUCHARD M. , HAGENMULLER P.
Published: May 2016

The title compound crystallizes in the monoclinic system, space group P21/m, Z=2.
ChemInform Abstract: Highly Stereoselective Intramolecular Alkylation of Ester Enolate: An Approach to trans‐Hydrindane System.
Authors: AHN S. H. , KIM D. , CHUN M. W. , CHUNG W.‐K.
Published: May 2016

Bei der Wittig‐Reaktion zwischen dem 2‐Hydroxy‐tetrahydropyran (I) als Aldehydäquivalent und dem Ylid (II) erhält man den Hydroxy‐carbonsäureester (III), der zu (V) butyliert wird.
ChemInform Abstract: Reductive Cleavage of α,β‐Alkynyl Acetals. New Route to Optically Pure Propargylic Alcohols.
Authors: ISHIHARA K. , MORI A. , ARAI I. , YAMAMOTO H.
Published: May 2016

Aus den Alkinylketonen (I) werden mit dem optisch aktiven Diol (II) die Acetale (III) hergestellt und diese in Gemische der diastereoisomeren Alkoholether (IV) und (V) reduktiv gespalten, wobei deren Anteile je nach Reduktionsmittel und Reaktionsbedingungen variieren.
ChemInform Abstract: The Fries Rearrangement of Phenyl Phenylacetate.
Authors: YAMAMOTO J. , KUROKAWA H. , SUGITA K.
Published: May 2016

Die zu den Produkten (II) und (III) führende Fries‐Umlagerung des Phenylacetates (I) mit AlCl3 oder TiCl4 als Katalysator wird systematisch untersucht.
ChemInform Abstract: Syntheses of N‐Trifluoromethyl‐N‐nitroso‐amide, ‐sulfonamide, ‐carbamate and ‐urea Derivatives.
Authors: UMEMOTO T. , MIYANO O.
Published: May 2016

Gemäß den Formelgleichungen werden ausgehend vom Tri‐ ?uornitrosomethan (I) über die Intermediärstufe (II) die N‐Trifluormethyl‐N‐nitroso‐Derivate (IV), (V), (VIII) und (X) hergestellt.
ChemInform Abstract: Synthesis of Amides with a Fluorine Atom on a Asymmetric Carbon.
Authors: KITAZUME T. , SATO T. , LIN J. T.
Published: May 2016

Ausgehend von enantiomeren 2‐Methyl‐2‐?uormalonaten (I) werden auf den beiden skizzierten Wegen die chiralen Amide (III) synthetisiert.
ChemInform Abstract: The Reactions of Difluoroiodoacetyl Fluoride with Copper and Silver.
Authors: SAMEJIMA S. , KUMAI S. , MUNEKATA S. , YAMABE M.
Published: May 2016

Die Reaktion des aus 1,2‐Diiodtetrafluorethan (I) zugänglichen Di?uoriodacetylfluorids (II) mit Kupfer‐ oder Silberpulver liefert nebeneinander das Bernsteinsäuredi?uorid (III) und das Säure?uorid‐Derivat (IV) als Hauptprodukte sowie das Difluoracetyl?uorid (V) als Nebenprodukt.
ChemInform Abstract: Enantiospecific Synthetic Approach to C,D‐Ring System of Steroids with Functionalized Side‐Chains.
Authors: HUTCHINSON J. H. , MONEY T.
Published: May 2016

Das aus (+)‐9,lO‐Dibromcampher in hoher Ausbeute zugängliche Lacton (I) wird mit Halogeniden (II) zu Lactonen (III) alkyliert, die durch Methanolyse und Einführung einer Si‐Schutzgruppe in die Cyclopentylessigsäureester (IV) übergeführt werden.
ChemInform Abstract: Organoaluminum Reagent as a Chemical Tool for Asymmetrization.
Authors: NARUSE Y. , YAMAMOTO H.
Published: May 2016

Die Cyclohexanone (I) werden mit dem optisch aktiven Diol (II) in die Acetale (III) übergeführt und diese mit Triisobutylaluminium zu (V) und (VI) unter wesentlicher Bevorzugung von (V) umgesetzt.
ChemInform Abstract: Thermal, Catalytic, and Photochemical Denitrogenation of 1‐Diazo‐3‐(l‐methylcyclopenta‐2,4‐dienyl)‐2‐propanone.
Authors: BURGER U. , ZELLWEGER D.
Published: May 2016

The title compound (VII), prepared via a modified Arndt‐Eistert reaction [(1) ‐ (V)], is surprisingly stable at temp. of up to 100 ° C. Direct irradiation of (VII) affords (VIII) [isolated as (IX)] via Wolff rearrangement, whereas benzophenone‐sensitized photolysis, thermal and catalytic denitrogenation all yield the tricyclic ketone (Xa).
ChemInform Abstract: Synthesis of Octavalene (Tricyclo[5.1.0.02,8]octa‐3,5‐diene) and Several Substituted Octavalenes.
Authors: CHRISTL M. , LANG R. , HERZOG C.
Published: May 2016

The Synthesis of octavalene (IIIa) and its derivatives (IIIb) (sensitive to air) and (IIIc) is performed Starting from the bromo compounds (I).
ChemInform Abstract: Synthesis of (+)‐1,3,5,7‐Tetrakis[2‐(1S,3S,5R,6S,8R,10R)‐D3‐trishomocubanylbuta‐1,3‐diynyl]adamantane. The First Optically Active Organic Molecule with T Symmetry and of Known Absolute Configuration.
Authors: NAEMURA K. , HOKURA Y. , NAKAZAKI M.
Published: May 2016

The trishomocubanethanoic acid (I) is converted to its amide (III).
ChemInform Abstract: An Efficient Method for the Generation of N‐Methylnitrones.
Authors: ROBL J. A. , HWU J. R.
Published: May 2016

Die Aldehyde (I) reagieren mit N‐Methyl‐N,O‐bis‐trimethylsilyl‐hydroxylamin (II) zu den Nitronen (III).
ChemInform Abstract: Synthesis, Structure and Reactivities of [6]Paracyclophanes.
Authors: TOBE Y. , UEDA K. , KAKIUCHI K. , ODAIRA Y. , KAI Y. , KASAI N.
Published: May 2016

Photocycloaddition of dichloroethylene (II) to the enone (I) and subsequent reductive dehalogenation of the ethylene acetal of the photoadduct gives the propellenone (III).
ChemInform Abstract: Reaction of Ketenes with N,N‐Disubstituted α‐Aminomethyleneketones. Part 16. Synthesis of N,N‐Disubstituted 4‐Amino‐5,6‐tetramethylene‐3‐phenyl‐2‐pyranones.
Authors: BARGAGNA A. , SCHENONE P. , LONGOBARDI M.
Published: May 2016

Die 2‐Aminomethylen‐cyclohexanone (I) und Chlor‐phenyl‐keten (II) ergeben die Addukte (III), die mit DBN zu den Pyranonen (IV) dehydrochloriert werden.
ChemInform Abstract: Facile Dibenzoylation of Picoline.
Authors: SUZUKI T. , MITSUHASHI K.
Published: May 2016

2‐Picolin (I) und Benzoylchlorid (II) reagieren in Gegenwart von Triethylamin zum Dibenzoyl‐Derivat (III).
ChemInform Abstract: Photochemical Reactions of 3‐Acyl‐2‐thiotetrahydro‐1,3‐thiazines. A New Synthesis of Cepham Analogues.
Authors: SAKAMOTO M. , AOYAMA H. , OMOTE Y.
Published: May 2016

Bei der Photolyse der cyclischen Dithiourethane (I) erhält man Mischungen aus den Cyclisierungsprodukten (II) und dem Spaltprodukt (III), bei niedrigerer Temperatur erhält man aus (Ic) das Cyclisierungsprodukt (IVc) neben (III).
ChemInform Abstract: 13C N MR Study of the Binding of Nitroprusside and Hexacyanoferrate(II) to Aquocobalamin, Vitamin B12a.
Authors: BUTLER A. R. , GLIDEWELL C. , MCINTOSH A. S. , REED D. , SADLER I. H.
Published: May 2016

High‐frequency 13C‐NMR spectroscopy using nitroprus‐ side 90% enriched in 13C shows that the nitroprusside anion forms discrete 1:1 and 1 22 complexes, (I) or (II), in solution with aquocobalamin, which is one of the proposed clinical antidotes to cyanide poisoning from nitroprusside metabolism.
ChemInform Abstract: Cobalt‐Mediated Propargylation/Annelation: Total Synthesis of (±)‐Cyclocolorenone.
Authors: SAHA M. , BAGBY B. , NICHOLAS K. M.
Published: May 2016

Es wird eine stereoselektive Synthese des Sesquiterpens Cyclocolorenon beschrieben.
ChemInform Abstract: Syntheses of Biologically Important Carbohydrates. Part 34. Syntheses of 3‐C‐Methyl‐branched Hex‐2‐enopyranose Derivatives and Studies on the Rearrangement of Their Trichloroacetimidates.
Authors: DYONG I. , MERTEN H. , THIEM J.
Published: May 2016

Ausgehend von dem Pyranosid (I) wird die Verbindung (V) synthetisiert, welche das Ole?nzuckerglykosid aus Anhydrolankamycin darstellt.
ChemInform Abstract: Synthesis of New N‐Substituted N‐Demethylaporphine Derivatives.
Authors: BERENYI S. , MAKLEIT S. , RANTAL F.
Published: May 2016

The thebaine derivatives (I) and (III) [obtained by N‐demethylation of (I) and subsequent N‐propylation] rearrange on treatment with methanesulfonic acid to give the 2‐halogenated apocodeines or N‐propyI‐N‐demethylapocodeines, respectively (IV).
ChemInform Abstract: X‐Ray Photoelectron Spectroscopic Study of Copper‐Exchanged X‐ and Y‐Type Sodium Zeolites: Resolution of Two Cupric Ion Components and Dependence on Dehydration and X‐Irradiation.
Authors: CONTARINI S. , KEVAN L.
Published: May 2016

The behavior of the Cu Zpm photoelectron lines in Cu‐ Na‐Xand CuNa‐Yzeolites (10 Cu" per unit cell) is interpreted in terms of coordination state changes of the metal ion.
ChemInform Abstract: Rare Earth Fluorides Formed by the Reaction of Solid Hydrated Rare Earth Chlorides with Hydrofluoric Acid Vapor.
Authors: RZACZYNSKA Z. , WYSOCKA‐LISEK J.
Published: May 2016

15 rare earth fluorides, containing both H2O and HF, have been prepared as shown in the scheme.
ChemInform Abstract: S4N4 and Its Derivatives: Isolation and Structure of S4N4H+[SnCl5(H2O)]‐ (I) and (S3N2NH2+)2[SnCl6]2‐(II).
Authors: HOLL K. , THEWALT U.
Published: May 2016

Reaction of S4N4 with the complex acids occurring in the system SnCl4‐ H2O ‐ AcOI‐Iyields the title salts (I) and (II), both containing protonated S"N," units.
ChemInform Abstract: Ligand Effects on the Electronic Structure, Spectra, and Electrochemistry of Tetracobalt Carbonyl Clusters.
Authors: HOLLAND G. F. , ELLIS D. E. , TROGLER W. C.
Published: May 2016

The effect of different ligand environments on the electronic structure of a common tetrahedral cobalt core is examined with SCF‐XoL‐DV calculations.
ChemInform Abstract: Radical‐Nucleophilic (SRNI) Reactions. Part 4. Radical‐Nucleophilic (SRNI) Reactions: ESR Studies.
Authors: AL‐KHALIL S. I. , BOWMAN W. R. , SYMONS M. C. R.
Published: May 2016

Oxidative addition of Na‐azide to the radical‐anions derived from (I) leads to the explosive α‐nitro azides (II).
ChemInform Abstract: Mechanism of the Reactions of Alkyl Ions with Alkylamines: Competing Proton Transfer and Condensation Reactions.
Authors: AUSLOOS P. , LIAS S. G.
Published: May 2016

Condensation reactions of alkyl cations such as (I) with the amines (II) lead to (IV)‐(VII) via dissociation of (III) through two pathways and compete with direct formation of (VI) and (VII) via deuteron transfer.
ChemInform Abstract: The Uncatalysed and the Copper(II) Promoted Hydrolysis of 4‐Nitrophenyl L‐leucinate.
Authors: HAY R. W. , BASAK A. K.
Published: May 2016

In connection with catalysis of hydrolysis of esters by metalloenzymes, the title ester, which is provided with a good leaving group, is hydrolyzed over the pH range 5.19‐10.46 at 20‐30°C. Cu(II) promoted base hydrolysis of the ester is more than 105 times faster than that of the protonated ester.
ChemInform Abstract: Thermally Activated Magnesium Oxide as a Selective Deuteration Catalyst Under Mild Conditions.
Authors: HOQ M. F. , KLABUNDE K. J.
Published: May 2016

Toluene (II), when allowed to recirculate over MgO activated at 600°C, exchanges the methyl group hydrogens completely to give (I).
ChemInform Abstract: Chromium(II) Reagents. Part 1. Reduction of α‐Acetylenic Ketones to trans‐Enones.
Authors: SMITH A. B. III , LEVENBERG P. A. , SUITS J. Z.
Published: May 2016

Die aus den Alkinolen (II) durch Oxidation gut zugänglichen Acetylenketone (IV) werden durch Chrom(II)‐sulfat oder ‐chlorid selektiv zu trans‐Enonen (V) reduziert.
ChemInform Abstract: Synthesis and Biological Activity of Analogues of 1,4‐Benzoquinone‐ guanylhydrazone‐thiosemicarbazone.
Authors: SCHULZE W. , GUTSCHE W. , WOHLRABE K. , TRESSELT D. , HORN G. , FLECK W.
Published: May 2016

Die Alkyl‐substituierten Analoga (IVb)‐(IVd) der im Titel genannten Verbindung (IVa) werden auf dem skizzierten Weg erhalten.
ChemInform Abstract: Biscarbamothioates from Isocyanates and Substituted Alkane‐ and Benzenedithiols.
Authors: HANEFELD W. , SCHULZE‐WEISSCHU P.
Published: May 2016

Die Dithiole (I) reagieren mit den Isocyanaten (II) zu den Bis‐thiol‐ carbamaten (III).
ChemInform Abstract: The Use of N‐Ethyl‐N′‐dimethylaminopropylcarbodiimide or Silicon Tetrachloride in Pyrrole Syntheses.
Authors: ANDERSON W. K. , HEIDER A. R.
Published: May 2016

Aus den Acylaminosäuren (I) werden mit dem Carbodiimid (II) bzw. mit SiCl4 (III) die meso.ionischen Oxazolone (IV) hergestellt, die mit den dipolarophilen Acetylenen (V) zu den Pyrrolen (VI) umgesetzt werden.
ChemInform Abstract: Direct Amination. Part 2. Reaction of 2‐Phenylindole with Primary Aromatic Amines.
Authors: BERTI C. , GRECI L. , ANDRUZZI R. , TRAZZA A.
Published: May 2016

The reaction of 2‐phenylindole (I) with the anilines (II) in the presence of strong oxidants yields the 2‐phenyl‐3‐arylimino‐3H‐indoles (III), most of which have been prepared for the first time.
ChemInform Abstract: Nucleophilic Substitution in 4‐Halonitropyrazole Carboxylic Acids.
Authors: MANAEV YU. A. , PEREVALOV V. P. , ANDREEVA M. A. , STEPANOV B. I.
Published: May 2016

Die Brom‐nitro‐pyrazolcarbonsäuren (I) und (V) reagieren in wäßrigen Lösungen in Gegenwart von Kupfer(I)‐Salzen mit Arylaminen (II) unter Bildung von Amin‐ und Hydroxyderivaten (III) und (VI) bzw. (IV).
ChemInform Abstract: Action of Hydrogen Peroxide on Some 2‐Aminooxazole and Imidazolin‐2‐ ones.
Authors: GINANNESCHI M. , CHELLI M. , RAPI G.
Published: May 2016

Die Oxidation der Amino‐oxazole (I) oder der Imidazolinone (III) führt zu Hydroperoxiden (II).