bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Luminescence of YAG:Tm, Tb.
Authors: SCHOLL M. S. , TRIMMIER J. R.
Published: May 2016

Tm and Tb have been incorporated into a YAG (yttrium aluminium garnet, Y3AI5O,2) host material to obtain a blue phosphor.
ChemInform Abstract: Fluorescence of EuH‐Activated Binary Alkaline Earth Silicate.
Authors: YAMAZAKI K. , NAKABAYASHI H. , KOTERA Y. , UENO A.
Published: May 2016

The structure and luminescent properties under UV or cathode‐ray excitation of different xMgO‐ yCaO ‐ zSiOg phosphors activated by Eu" have been investigated.
ChemInform Abstract: Energetics and Dynamics of the Interface of RuS2 and Implications for Photoelectrolysis of Water.
Authors: KUEHNE H.‐M. + , TRIBUTSCH H.
Published: May 2016

n‐RuSZ (single crystals are grown in liquid Bi) has proved to be a stable and fairly efficient photoanode for a potential assisted photoelectrolysis of H2O using visible or near‐IR light.
ChemInform Abstract: Effect of Film Thickness on the Magnetic Properties of Electroless Cobalt Alloy Plating Films for Perpendicular Magnetic Recording Media.
Authors: KOIWA I. , TODA M. , OSAKA T.
Published: May 2016

Films of alloys (I) and (II) have been prepared by an electroless plating method.
ChemInform Abstract: Phase Transitions of Natural Scolecite.
Authors: RYKL D. , CHALUPSKY V. , PECHAR F.
Published: May 2016

The decomposition of the natural zeolite scolecite has been investigated in the temp. range 20‐1000°C. Scolecite begins to transform into a metaphase above 200°C and above 350°C into an amorphous phase from which anortite and the high‐temp.
ChemInform Abstract: Systematic Design of Chemical Oscillators. Part 32. Kinetics and Mechanism of the Reaction Between Thiosulfate and Chlorite Ions at 90 ° C.
Authors: NAGYPAL I. , EPSTEIN I. R. , KUSTIN K.
Published: May 2016

By using classical titrimetric methods the title reaction is shown to take place according to stoichiometry A in aqueous alkaline solution.
ChemInform Abstract: Synthesis of BN Using BPO4 as the Boron Source.
Authors: BAMBERGER C. E. , BEGUN G. M.
Published: May 2016

The reaction of BPO4 and NaCN yielding BN and sodium phosphates (NaPO3, Na4P2O7 and Na3PO4) has been studied as a function of temp. and of the NaCN/BPO4 ratio.
ChemInform Abstract: Reaction Between Phosphorus Trichloride and Hydrogen Sulfide.
Authors: FLUCK E. , NEUMUELLER B. +
Published: May 2016

In the presence of a base like pyridine, triethylamine, or 2‐methylpyridine, the title reaction yields P453 and [PS2C12]′ besides other products (reaction temp. 20‐30°C).
ChemInform Abstract: Tetrachlorofluoroarsorane, AsCl4F
Authors: MINKWITZ R. , PRENZEL H.
Published: May 2016

is formed besides AsF5 by sublimation of AsCl4+ AsF6‐ ; AsF5 is removed using activated KF (K+AsF6‐).
ChemInform Abstract: Preparation and Structure of Ba2AsSe4(OH)‐2 H2O.
Authors: KAUB J.
Published: May 2016

The title arsenate is prepared by hydrothermal reaction of Ba(OH)2 with As2Se3 (cf.
ChemInform Abstract: Preparation of Ultrafine Silica ‐ Germania Powders Using an Inductively Coupled Plasma Torch.
Authors: BISWAS D. R. , OH P. S.
Published: May 2016

Ultrafine SiO2/GeO2 powders with 75‐95 wt.‐°/o SiOz (impurities 0.01 Wt.‐%) have been prepared as shown in the scheme using an inductively coupled O2/Ar plasma torch.
ChemInform Abstract: (PPh4)2(V2Cl9)(VCl5)·CH2Cl2. Synthesis, IR Spectrum, and Crystal Structure.
Authors: SCHERFISE K.‐D. , WILLING W. , MUELLER U. + , DEHNICKE K.
Published: May 2016

The title compound has been prepared as shown in the scheme.
ChemInform Abstract: Syntheses and Unit‐Cell Determination of Ba3V4O13 and Low‐ and High‐Temperature Ba3P4O13.
Authors: MILLET J. M. , PARKER H. S. , ROTH R. S.
Published: May 2016

The title compounds have been prepared according to the scheme.
ChemInform Abstract: Oxidechlorides, ‐bromides, and ‐iodides of Niobium and Tantalum.
Authors: SCHAEFER H. + , GERKEN R. , ZYLKA L.
Published: May 2016

Syntheses of the oxidehalides (I)‐(XI), most of which are chemically transportable, are reported.
ChemInform Abstract: Reactions of Trithiazyl Chloride with Molybdenum, Molybdenum Trioxide and Sodium Molybdate.
Authors: WADLE H. , CONRADI E. , MUELLER U. + , DEHNICKE K.
Published: May 2016

The cyclothiazeno complex (III) is obtained in 90% yield by reaction of trithiazylchloride (II) with M0, MoO3 or anhydrous Na2MoO4 at 75‐85°C or by refluxing the pulverized mixtures in CCl4.
ChemInform Abstract: Formation of Nitrido Complexes by Ammonolysis of Metal Halides with NH4. Synthesis and Structure of (NH4)3Nb2NBr10, (NH4)3Ta2NI10, and (NH4)3W2NBr10.
Authors: HOERNER M. + , FRANK K.‐P. , STRAEHLE J. +
Published: May 2016

The hitherto unknown nitrido Complexes (III), (VI), and (IX) with a symm. nitrido bridge M = N = Mare available by ammonolysis reactions of the corresponding metal halides with NHI halides in sealed glass ampoules.
ChemInform Abstract: [Ag(S9)]‐, a Symmetric Ten‐Membered Ring System; Preparation, Structure, and Spectroscopic Characterization of the Sulfur Rich Compound [(PPh3)2N][Ag(S9)]·S8.
Authors: MUELLER A. + , ROEMER M. + , BOEGGE H. + , KRICKEMEYER E. , ZIMMERMANN M.
Published: May 2016

The title Compound has been prepared by reaction of a definite polysulfide solution in MeCN (prepared from (PPh3)2NCl, S8 and H25) with AgNO3 (yield: 8.2%).
ChemInform Abstract: Studies in the System Os/Cl/O. Chemical Transport of Osmium.
Authors: HUNEKE K.‐H. , SCHAEFER H. +
Published: May 2016

OsCl4, OsCl3‐5, OsO0‐5Cl‐3, OsOClz, and OsOCl4 have been prepared using the Chemical transport method.
ChemInform Abstract: Reactions of Coordinated Ligands. Part 16. Structure of the Lithiumphosphido Complexes cis‐ Mo(CO)4(PRR′Li)2 (R,R′ = H, Alkyl, Aryl) in Solution ‐ a 31P and 7Li NMR Study.
Authors: HASSELKUSS G. , HIETKAMP S. , STELZER O.
Published: May 2016

In solution (EtzO or TH F), the title complexes exist solvated in an ionic type of structure (I).
ChemInform Abstract: Chiral Quaternary Ammonium Bromides as Bromine‐Transfer Agents in Asymmetric Additions to Cyclohexene.
Authors: BELLUCCI G. , BERTI G. , BIANCHINI R. , ORSINI L.
Published: May 2016

Reactions of some tribromide salts of chiral quaternary ammonium ions with cyclohexene (IV) produced optically active (R,R)‐(‐) (V) or (S,S)‐( +) (VI) ‐trans‐dibromocyclohexanes in low to moderate optical yields.
ChemInform Abstract: A "Tunable" Stereoselective Alkene Synthesis by Iododesilylation of Vinylsilanes.
Authors: CHAN T. H. , KOUMAGLO K.
Published: May 2016

Es wird eine stereoselektive Alkensynthese beschrieben, bei der das Verhältnis E : Zder Stereoisomeren durch Art und Menge einer zugesetzten Lewis‐Säure steuerbar ist.
ChemInform Abstract: Addition of Isocyanates and Isothiocyanates to 2‐Amino‐3‐phenylcarbamoylazirine.
Authors: EREMEEV A. V. , PISKUNOVA I. P. , EL'KINSON R. S.
Published: May 2016

Das Aminoazirin (I) reagiert mit den Isocyanaten (II) zu den Aminomalonsäurenitrilamiden (III).
ChemInform Abstract: Hydrogen Transfer Reactions. Part 8. Heterogeneous Catalysis of Hydrogen Transfer by Metal Oxides.
Authors: HEESING A. , LAUE H.‐J.
Published: May 2016

C503 proves to be a favorable catalyst for Htransfer of dihydroarenes in the condensed phase [e.g.
ChemInform Abstract: Potentially Aromatic Thiophenium Ylides. Part 3. Cyclization of 2‐(2′‐Thienyl)benzoylcarbene.
Authors: STORFLOR H. , SKRAMSTAD J.
Published: May 2016

The diazoketone (Vb) is synthesized starting from thiophene (I) via the intermediates (III) and (Va).
ChemInform Abstract: Synthesis of N‐Heterocyclic Analogs of 2,5‐Diaryloxazoles.
Authors: KRASOVITSKII B. M. , DYUMAEV K. M. , AFANASIADI L. SH. , TUR I. N. , VEREZUBOVA A. A. , PTYAGINA L. M.
Published: May 2016

Die Umsetzung von w‐Aminoacetophenon (I) mit den Cinchoninsäuren (II), mit Isonicotinsäure (IV) oder mit der Dichinolylcarbonsäure (VI) in Phosphoroxychlorid führt zu den Phenyloxazolen (III), (V) bzw. (VII) mit Luminophor‐Eigenschaften.
ChemInform Abstract: (Z)‐α,α′‐Diacylstilbenes. A Novel Example of Ring‐Chain Tautomerism. Diacetalization in Neutral Medium.
Authors: RIGAUDY J. , NGUYEN KIM CUONG NGUYEN KIM CUONG , BARANNE‐LAFONT J. , DUMINY P. , CHASSAGNARD C.
Published: May 2016

Sensitized photooxidation of the ketones (I) leads stereoselectively to the diacylstilbenes (II), which can be transformed to the (E)‐iso‐ 28 mer by UV irradiation (yield 13‐34%), and form diacetals such as (III) or (IV) with prim. alcohols.
ChemInform Abstract: Molecular Rearrangements. Part 18. Photolysis of N‐Alkyl‐arylamines.
Authors: ALY M. M. , BADR M. Z. A. , FAHMY A. M. , MAHGOUB S. A.
Published: May 2016

The photolysis of the aniline derivatives (I) and (VII) proceeds via homolysis of the aralkyl‐Nbond.
ChemInform Abstract: Small Rings. Part 59. Unusual Preparation as well as Crystal and Molecular Structure of Trimethyl 3,4,5‐Tri‐tert‐butylprismane‐1,2,6‐tricarboxylate.
Authors: MAIER G. , BAUER I. , HUBER‐PATZ U. , JAHN R. , KALLFASS D. , RODEWALD H. , IRNGARTINGER H.
Published: May 2016

In the search for a suitable analogue of tetra‐tert‐butyltetrahedrane or hexa‐tert‐butylprismane the Dewar benzene (I) is used for valence isomerization.
ChemInform Abstract: Role of the Acetylacetonyl Radical in the Sensitized Photoreduction of Bis(acetylace‐ tonato)copper(II).
Authors: CHOW Y. L. , BUONO‐CORE G. E.
Published: May 2016

Benzophenone sensitized photoreduction of Cu(acac)2 generates the acetylacetonyl radical (acac‐) which can be trapped as acetylacetone by hydrogen as well as by H‐atom‐donating agents, or, on reaction with 2‐nitroso‐ Z‐methylpropane, as the corresponding nitroxide (ESR investigation).
ChemInform Abstract: Synthesis of 1,5‐Dienes via [2 + 2] Photocycloaddition between 2,5‐Dihydrothiophene 1,1‐Dioxides (Sulfolenes) and α,β‐Unsaturated Cyclic Ketones and Anhydrides.
Authors: WILLIAMS J. R. , LIN C. , CHODOSH D. F.
Published: May 2016

Die Photoaddition zwischen den Sulfolenen (I) und den Cyclohexenonen (II) liefert die Addukte (III) und (IV).
ChemInform Abstract: Ultrasound in Organic Synthesis. Part 7. Preparation of Organozinc Reagents and Their Nickel‐Catalyzed Reactions with α,β‐Unsaturated Carbonyl Compounds.
Authors: PETRIER C. , DE SOUZA BARBOSA J. C. , DUPUY C. , LUCHE J.‐L.
Published: May 2016

Unter Ultraschall‐Behandlung werden aus den Halogeniden (I) mit Zink in situ Organo‐Zinkverbindungen (II) erhalten, die direkt mit zahlreichen ogß‐ungesättigten Ketonen, wie im Formelschema beschrieben, umgesetzt werden können.
ChemInform Abstract: Carbene Rearrangements. Part 20. trans‐2‐(1,3‐Butadienyl)cyclopropylidene: Generation and Reactive Behavior.
Authors: BRINKER U. H. , FLEISCHHAUER I.
Published: May 2016

The isomeric vinylcyclopentadienes (Va),(Vb), and the allene (VI) are formed from the carbene (IV), which is generated from the dibromocarbene adduct (III) with LiBr‐containing MeLi.
ChemInform Abstract: Synthesis of Two Bis‐m‐quinomethanes. An Experimental Study of Connectivity Effects on the Equal‐Parity Criterion for Low‐Spin Ground States in Alternant Non‐Kekule′ Molecules.
Authors: SEEGER D. E. , LAHTI P. M. , ROSSI A. R. , BERSON J. A.
Published: May 2016

Benzylic bromination of (I) followed by hydrolysis of the resulting mixture of bromo ketones to hydroxy ketones and oxidation with PCC gives a separable mixture of the s‐hydrindacenediones (II) and (III).
ChemInform Abstract: 8,8′‐Bibicyclo[3.2.1]octylidene Radical Cation.
Authors: NELSEN S. F. , KAPP D. L.
Published: May 2016

The cation radical (V) from the syn‐bicyclooctylidene‐bicyclooctane (IIIa) has a rotational barrier about its Central C ‐ Cbond which is above 15.4 kcal/mol.
ChemInform Abstract: Electrophilic Substitutions of Olefinic Hydrogens: Acylation of 1,1‐Bisalkylthio‐ 1,3‐alkadienes and trans‐N‐Acetyl‐N‐isopropyl‐1‐amino‐ 1,3‐butadiene.
Authors: HOJO M. , MASUDA R. , OKADA E.
Published: May 2016

Die 1,1‐Bis‐alkylthio‐alkadiene (I) reagieren mit Perchloracetylchlorid, Perchloracetr anhydrid oder Perfluoracetanhydrid zu den Substitutionsprodukten (III).
ChemInform Abstract: Alkylation of Phenanthrene with Isopropylmesylate in the System Nitrobenzene‐Methanesulfonic Acid.
Authors: KACHURIN O. I. , ZARAISKAYA N. A.
Published: May 2016

Die im Titel genannte Reaktion wird bei 298 K untersucht.
ChemInform Abstract: Syntheses of Conjugated Dienes from 1‐Alkenylboronic Acids by Palladium(II) Salt.
Authors: KIM J. I. , LEE J. T. , YEO K. D.
Published: May 2016

The alkenes (I) react with the E‐alkenylboronic acids (II) or (IV) in the presence of LiPdCl3 and NEt3 ‐ method A) ‐ to give the conjugated E,E‐dienes (III) or (V) in fair to good yields.
ChemInform Abstract: Aldehydes, Alcohols, and Enol Acetates via Reductive Homologation of Esters.
Authors: KOWALSKI C. J. , HAQUE M. S.
Published: May 2016

The alkynolates (III) ‐ generated by a previously described procedure from (I) ‐ are reduced to give the enolates (IV) on treatment with either 1,3‐ or 1,4‐cyclohexadiene.
ChemInform Abstract: An Efficient Synthesis of α‐F‐Alkynylated Alcohols by New Siloxane‐ Fluoride Ion Catalyzed Reaction of 1H‐F‐1‐Alkenephosphonates with Aldehydes.
Authors: ISHIHARA T. , MAEKAWA T. , ANDO T.
Published: May 2016

Die fluorierten Alkenphosphonsäureester (I) reagieren mit zahlreichen Aldehyden (II) bei katalytischem Zusatz von Tetrabutylammoniumfluorid (IV) und Hexamethyldisil‐ ‐oxan (III) zu den Perfluoralkinylalkinolen (V); mit Cyclohexanon (VI) entsteht die Verbindung (VII).
ChemInform Abstract: Synthesis of Crystalline (±)‐Fecapentaene.
Authors: PFAENDLER H. R. , MAIER F. K. , KLAR S.
Published: May 2016

The stereospecific Synthesis of the title compound (IX) is performed by coupling the building blocks (IIb) and (VII) to give the trienyne (VIII).
ChemInform Abstract: Syntheses of Primary Nitroketene Aminals.
Authors: MERTENS H. , TROSCHUETZ R. +
Published: May 2016

Das Nitroketen‐N,O‐acetal (III) reagiert mit den sekundären Aminen (II) zu den Ketenaminalen (I), mit den primären Aminen (IV) zu den Ketenaminalen (V).
ChemInform Abstract: The Synthesis and Structure of β‐Enamino Sulphoxides.
Authors: KAWECKI R. , KOZERSKI L.
Published: May 2016

The enolates (I11) react with the ammonium salts (IV) to give the enamines (W. The compounds (V) (R3: ‐ H) exist in Chloroform solution in the Eform.
ChemInform Abstract: Dichlorocarbene Cyclopropanation of Allylic Alcohols.
Authors: MOHAMADI F. , STILL W. C.
Published: May 2016

Das aus Chloroform (II) erhaltene Dichlorcarben reagiert mit den Allylalkoholen (I) im wesentlichen diastereoselektiv zu den Addukten (III) neben geringeren Mengen an den Isomeren (IV).
ChemInform Abstract: Chemistry of Fragrances. Part 1. Novel Strategy for the Synthesis of Methyl α‐(2‐Oxocyclohexyl)acrylates.
Authors: LEYENDECKER F. , COMTE M.‐T.
Published: May 2016

The sulfoxide (IIIb) is synthesized Starting from the ester (I).
ChemInform Abstract: Sterically Crowded Cyclohexanes. Part 3. 4,4,8,8,12,12‐Hexamethyltrispiro[2.1.2.1.2.1]dodecane and 4,4,8,8,9,9,10,10‐Octamethyldispiro[2.1.2.3]decane ‐ Two Per(cyclo)alkylated Cyclohexanes Adopting a Twistboat Conformation.
Authors: FITJER L. , SCHEUERMANN H.‐J. , KLAGES U. , WEHLE D. , STEPHENSON D. S. , BINSCH G.
Published: May 2016

The title compound (IV) as well as its labelled analogue (VIII) are prepared Starting from the triketone (I) by sequential methylenation and cyclopropanation as shown in the scheme.
ChemInform Abstract: Sterically Crowded Cyclohexanes. Part 4. Homologation of Hexamethylcyclobutanone.
Authors: FITJER L. , WEHLE D. , SCHEUERMANN H.‐J.
Published: May 2016

The ketone (Ia) is homologated via the intermediates (Ib), (Ic), (Id), and (II) to provide the title compound (III); further homologation of (III) to give (IV) in an analogous fashion is unsuccessful.
ChemInform Abstract: Ring Expansion of Carbocyclic β‐Keto‐ester with Acetylenic Esters.
Authors: ABOU‐ELZAHAB M. M. , AYYAD S. N. , ZIMAITY M. T.
Published: May 2016

The cyclooctadienones (II)/(III) [(IIa)/(IIIa) have been described previously], (IV) and (VI) are obtained by insertion of dimethyl acetylenedicarboxylate or ethyl propiolate, resp., into the β‐keto‐esters (I) or (V), between the keto‐function and the β‐position.
ChemInform Abstract: Methyl Group Functionalization in 6‐Methylazulene.
Authors: ROBINSON R. , RUDOLF K. , KOENIG T.
Published: May 2016

6‐Methyl‐azulen (Ia) liefert über die Na‐Verbindung (Ib) das Chlormethyl‐azulen (Ic), aus dem zahlreiche Substitutionsprodukte (Id)‐(Ig) hergestellt werden.
ChemInform Abstract: Syntheses and Properties of (Perfluoroalkyl)phenyliodonium Triflates (FITS Reagents) and Their Analogues.
Authors: UMEMOTO T. , KURIU Y. , SHUYAMA H. , MIYANO O. , NAKAYAMA S.
Published: May 2016

Ausgehend von den Polyfluoralkyliodiden (I) werden durch Umsetzung mit Trifluorperessigsäure (II) die Bis‐(tri?uoracetoxy)‐iod‐ Derivate (III) hergestellt, ,die nach den im Schema angegebenen Methoden in die Iodoniumtri?ate (IV), die Fluorosulfonate (V), die Sulfate (VI) und die Methansulfonate (VII) übergeführt werden.
ChemInform Abstract: N‐Methylation of Secondary Amines.
Authors: KANG J. , LEE S. W. , KIM W.‐J.
Published: May 2016

The methylation of secondary amines with diazomethane in the presence oftrifluoromethylsulfonic acid is assumed to start with the protonation of the amine.
ChemInform Abstract: Preparation and Structure of N,N′‐Dithioformylaniline.
Authors: ALLENSTEIN E. , HOFMANN F.‐J. , RIFFEL H.
Published: May 2016

The title compound (III) is prepared by reaction of the aniline (I) with silicon disulfide (II).
ChemInform Abstract: Photochemical Ring Closure of Muconic Acid Anhydride.
Authors: BRODBECK H. , BOURGIN D. , NEIER R.
Published: May 2016

Aus dem Dimethylbrenzcatechin (I) erhält man bei der Oxidation das Dimethyl‐muconsäureanhydrid (II), das photolytisch zum Cyclobuten (III) reagiert, welches katalytisch zum Anhydrid (IV) hydriert wird.
ChemInform Abstract: Polyfluorinated α,β‐Unsaturated Ketones.
Authors: LATYPOV R. R. , BELOGAI V. D. , PASHKEVICH K. I.
Published: May 2016

Die polyfluorierten Aldehyde (I) reagieren mit den Methylketonen (II) zu den β‐Hydroxy‐ketonen (III), aus denen durch Dehydratisierung die oaß‐ungesättigten Ketone (IV) entstehen.
ChemInform Abstract: Reaction of Oximes with Polyfluoroaromatic Compounds in the Presence of Alkaline Agents.
Authors: FURIN G. G. , MILLER A. O. , GATILOV YU. V. , BAGRYANSKAYA I. YU. , VOLODARSKII L. B. , YAKOBSON G. G.
Published: May 2016

By reaction of the polyfluoroaromatic Compounds (I) with the sodium salt of acetophenone oxime (II) the O‐aryl Compounds (III) are obtained, i.e. the Substitution of the oxime (II), which may take place at the 0‐ or at the N‐atom as reactive centre has occurred exclusively at the oxygen atom.
ChemInform Abstract: Synthesis and Properties of Substituted 1‐Alkoxy‐2‐azaallenium Salts.
Authors: KUPFER R. , WUERTHWEIN E.‐U. +
Published: May 2016

By reaction of the N‐acylimines (I) and (VIIIb) with the trioxonium hexafluoroantimonates (II) twelve novel compounds (III) and (X) are obtained ‐ except for (IIIa) with R3: p‐tolyl, which was synthesized previously.
ChemInform Abstract: Intramolecularly Assisted Addition of LiMe2Cu to Methyl Cinnamates.
Authors: HALLNEMO G. , ULLENIUS C.
Published: May 2016

Aus den o‐substituierten Zimtsäuremethylestern (I) erhält man mit Dimethyllithiumcuprat (II) die Methylhydrozimtsäureester (III), wobei aus dem Polyether (Ig) neben (IIIg) im wesentlichen der kationische Li‐ Komplex (IV) aus überschüssigem Ausgangsmaterial gebildet wird.
ChemInform Abstract: 3,3′‐Disubstituted 2,2′‐Biphenols: Synthesis of Nonplanar, Tetradentate Chelating Ligands.
Authors: SORRELL T. N. , ELLIS D. J.
Published: May 2016

2,2′‐Dihydroxy‐diphenyl (Ia) wird über den Allylether (Ib) nach einer Claisen‐Umlagerung in den Benzylether (II) übergeführt, der zum Diol (IIIa) hydroboriert und über das Mesylat (IIIb) zu dem Bis‐sulfid (IVa) bzw. dem Diamin (IVb) umgesetzt wird.
ChemInform Abstract: Production of Ditolyl‐ and Dipseudocumylmethanes.
Authors: BONDARENKO A. V. , YAS'KINA V. G. , PROZOROV V. A. , UTKIN O. V. , SVINUKHOV A. G.
Published: May 2016

Es wird ein verbessertes Verfahren zur diskontinuierlichen Kondensation von Toluol (I) oder Pseudocumol (IV) mit Formaldehyd (II) und Schwefelsäure als Katalysator unter azeotroper Ent‐ 68 wässerung mit Cyclohexan beschrieben.
ChemInform Abstract: Calixarenes. Part 16. Functionalized Calixarenes: The Direct Substitution Route.
Authors: GUTSCHE C. D. , PAGORIA P. F.
Published: May 2016

Die Synthese von Calixarenen (II) aus 4‐Hydroxy‐diphenyl (I) wird systematisch untersucht, wobei nur für das Hexamere (IIc) und das Oktamere (IIe) sinnvolle Ausbeuten erhalten werden.
ChemInform Abstract: New Methods for the Generation of Episulfonium Ions. An Application to the Synthesis of Carbocycles via Sulfenium Ion Promoted Arene‐Alkene Cyclizations.
Authors: EDSTROM E. D. , LIVINGHOUSE T.
Published: May 2016

Exposure of (I) to methyl benzenesulfenate (IV) in the presence of an appropriate Lewis acid affords the cyclized adducts (II) and (III), whereas no Cyclization is observed for (IV).
ChemInform Abstract: Synthesis of 5‐Substituted Furan Nitriles and Their Reaction with Hydrazine.
Authors: PAVLOV P. A. , KUL'NEVICH V. G.
Published: May 2016

Die Umsetzung der Furfurale (I) mit Stickstoffwasserstoffsäure in Gegenwart von Perchlorsäure und Magnesiumperchlorat liefert die Nitrile (II) in guten Ausbeuten.
ChemInform Abstract: Synthesis of 2‐Diazomethyl‐3‐methyl‐5H‐furan‐4‐one.
Authors: TOLOCHKO L. A. , SIPYAGIN A. M. , KARTSEV V. G.
Published: May 2016

Das Bis‐diazoketon (I) cyclisiert unter der Einwirkung saurer Reagentien wie Chlorwasserstoff, Essigsäure oder Silicagel zu Diazomethylfuranon (II).
ChemInform Abstract: Preparation and Structure of an Unusual Dimeric Furan from the Acid Decomposition of Isomaltol.
Authors: GOODWIN J. C. , HODGE J. E. , WEISLEDER D.
Published: May 2016

Isomaltol (I) zersetzt sich in Gegenwart von Säuren unter Bildung der dimeren Verbindung (IIa), deren Struktur, auch anhand des Derivats (IIb), spektroskopisch bestimmt wird.
ChemInform Abstract: Synthesis and Reactions of 1‐Aryl‐2‐imino‐pyrrolidines.
Authors: KOVTUNENKO V. A. , SOLOSHONOK L. V. , TYLTIN A. K. , TUROV A. V. , BABICHEV F. S.
Published: May 2016

Aus den Amidiniumsalzen (I) werden die 2‐Iminopyrrolidine (II) hergestellt und in verschiedene Derivate übergeführt.
ChemInform Abstract: Tetracyanoethylation and Fischer Rearrangement in 4‐Oxo‐4,5,6,7‐tetrahydroindole Series.
Authors: DAGER K. , TERENT'EV P. B. , KULIKOV N. S.
Published: May 2016

Die Tetrahydroindole (I) reagieren mit Tetracyanethylen (II) zu den Addukten (III).
ChemInform Abstract: 2,3‐Rearrangement of 2‐Aza‐ to 2,3‐Diazabicycles in Redox Reactions of Their N‐Nitroso and N‐Amino Derivatives.
Authors: HEESING A. , KELLER L.
Published: May 2016

The bicyclic amine (I) is converted into the nitros ‐ amine (II), which on treatment with LiAlH4 and ethyl chlorocarbonate (III) gives (IV).
ChemInform Abstract: Investigations in Pyrazolidine Chemistry. Part 26. Alkylation of 4‐Benzylidene‐1‐phenyl‐3,5‐dioxopyrazolidines.
Authors: MOLDAVER B. L. , ARONZON M. E. , ADANIN V. M. , ZYAKUN A. M.
Published: May 2016

Die 4‐Benzyliden‐dioxopyrazolidine (I) bilden bei der Alkylierung mit Alkyliodiden und Natriumalkoholaten die 2‐Alkyl‐Derivate (II) und die 2,4‐Dialkyl‐4‐(a‐alkoxybenzyl)‐Derivate (III).
ChemInform Abstract: Acid Influence on the Orientation of the Reaction of 5‐Formyl‐4‐(1‐pyridinio)azole‐ 2‐oxides with Aromatic Amines.
Authors: KOCHKANYAN R. O. , ZARITOVSKII A. N. , KRUGLOVA A. B. , KLYUEV N. A.
Published: May 2016

Das Betain (I) reagiert mit den aromatischen Aminen (II) in Essigsäure unter Abspaltung des Pyridinringes zu den Azomethinen (III).
ChemInform Abstract: Evidence for a PARC‐ANRO Mechanism in Heterocyclic Ring Conversion of Functionalized N‐Alkoxypyridinium Salts.
Authors: SLIWA H. , RAHARIMANANA C.
Published: May 2016

Aus den Pyridinium‐Salzen (I) erhält man mit Pyrrolidin (II) oder Tetramethylpiperidin (III) die cyclischen Salze (IV), die mit weiterem Pyrrolidin (II) zu den Isoxazolidinolen (V) führen.
ChemInform Abstract: Homolytic Addition of 1,3‐Oxathiolanes to Unsaturated Hydrocarbons.
Authors: NIKOLAEVA S. V. , ZORIN V. V. , ZLOTSKII S. S. , RAKHMANKULOV D. L.
Published: May 2016

Das unsubstituierte Oxathiolan (I) reagiert in Gegenwart von tert.‐Butylperoxid mit ungesättigten Verbindungen wie Maleinsäuredimethylester, Vinylformiat, Vinylacetat, Acrylnitril oder Hexen‐I zu den 2‐substituierten Oxathiolanen (III).
ChemInform Abstract: Synthesis of Hetero[4.2.1]propellanes.
Authors: BAUMGART K.‐D. , SZEIMIES G.
Published: May 2016

Photocyclization of (I) affords the bridged cyclobutene (II).
ChemInform Abstract: 1,3‐Dicarbonyl Compounds. Part 25. Pyrano[3,2‐b]indole‐4(5H)‐one and 9‐Chloro‐1‐oxo‐1H‐pyrrolo[1,2‐a]indole‐2‐carbaldehyde.
Authors: GOERLITZER K. + , MICHELS K.
Published: May 2016

Aus dem Indol (I) erhält man über das Indolodioxaborin (II) nach Vilsmeier je nach den Reaktionsbedingungen die im Titel genannten Verbindungen (III) bzw. (VII).
ChemInform Abstract: Unusual Product of the Reaction of 1‐Phenyl‐3‐(3,4‐dimethoxyphenyl)‐3‐ (2‐oxocyclohexyl)‐1‐propanone with Hydrogen Sulfide and Acids.
Authors: KLIMENKO S. K. , TYRINA T. I. , SOROKIN N. N. , KHARCHENKO V. G.
Published: May 2016

Die Cyclisierung des Dimethoxyphenyl‐oxocyclohexyl‐propanons (I) mit Schwefelwasserstoff in Gegenwart von Tri‐ ?uoressigsäure, Bortrifluorid oder Perchlorsäure liefert neben den üblichen Cyclisierungsprodukten das Dimethoxybenzo‐cis‐thiadecalin (IV).
ChemInform Abstract: Reactions of Hydrastinine with Amides.
Authors: MOEHRLE H. + , GRIMM B.
Published: May 2016

Hydrastinin (I) reagiert mit den Amiden (II) glatt zu den Substitutionsprodukten (III).
ChemInform Abstract: Hydrazinolysis and Aminolysis of Ethyl 3,3‐Dihydroisoquinoline‐Δ1(2H),α‐α‐alkylacetates.
Authors: GAVRILOV M. S. , SHKLYAEV V. S. , ALEKSANDROV B. B. , LARIKOV V. V. , POPLEVIN A. E.
Published: May 2016

Beim Erhitzen der Dihydroisochinolinylessigsäureester (I) mit Hydrazinhydrat entstehen die Hydrazide (II).
ChemInform Abstract: Inverse Electron Demand Diels‐Alder Reactions of Heterocyclic Aza Dienes.
Authors: BOGER D. L. , DUFF S. R. , PANEK J. S. , YASUDA M.
Published: May 2016

Aus den Styrolen (I) entstehen mit Tris‐ethoxycarbonyl‐1,2,4‐triazin (II) die Addukte (III), aus (IIIa) wird durch partielle Hydrolyse und Curtius‐Reaktion mit Phosphorylazid das Amin (IV) erhalten.
ChemInform Abstract: Chemistry of Di‐ and Tetrahydropyrans. Part 3. The Anomalous Behavior of 4‐Methyl‐5,6‐dihydropyran in the Prins Reaction.
Authors: IBATULLIN U. G. , TALIPOV R. F. , SAFAROV M. G. , TOLSTIKOV G. A.
Published: May 2016

Die Umsetzung des 4‐Methyl‐dihydropyrans (I) mit wäßrigem Formaldehyd (II) führt zu dem Dioxanderivat (III) und den Hydroxymethylverbindungen (IV) und (V).
ChemInform Abstract: Chemistry of Di‐ and Tetrahydropyrans. Part 4. Reaction of 4‐Methylenetetrahydropyran with Formaldehyde and Acetaldehyde.
Authors: IBATULLIN U. G. , TALIPOV R. F. , AL'MUKHAMETOV E. A. , SAFAROV M. G. , TOLSTIKOV G. A.
Published: May 2016

Bei der Umsetzung von 4‐Methylentetrahydropyran (III) mit Formaldehyd (II) erhält man je nach Molverhältnis der Komponenten das Hydroxyethyl‐Derivat (I) oder die spirocyclische Verbindung (IV).
ChemInform Abstract: Recyclization of 5‐Amino‐1,2,3,4‐thiatriazole in Reactions with 1,3‐Diketones.
Authors: CHUIGUK V. A. , NAZARENKO K. G.
Published: May 2016

Das Thiatriazol (III) reagiert mit Acetyl‐ oder Benzoylaceton (II) in Gegenwart von Säuren bei Raumtemperatur unter Eliminierung von Stickstoff entweder zu den 2‐Mercaptopyrimidin‐Derivaten (I) (in wasserfreiem Medium) oder zum 2‐Aminothiazol (IV) (in konz. Salzsäure).
ChemInform Abstract: Synthesis of Potentially Active 1‐Substituted Imidazo[1,2‐c]pyrimidine Derivatives.
Authors: DLUGOSZ A. , MACHON Z.
Published: May 2016

Die Carbonsäure (I) wird bei der Einwirkung von Ethanolamin unter gleichzeitiger Decarboxylierung in die Hydroxyethylaminoverbindung (II) übergeführt, aus der der Heterocyclus (III) zugänglich ist.
ChemInform Abstract: Guanidine‐Annelated Heterocycles. Part 7. Synthesis and Antihypertensive Activity of 2,10‐Dimethyl‐5H,10H‐1,2,4‐triazolo[5,1‐b] 2,l?‐Dimethyl‐SH,10H‐1,2,4‐triazoloI5,l‐b|quinazolin‐5‐ one.
Authors: LIU K.‐C. , HU M.‐K.
Published: May 2016

Isatosäureanhydrid (I) wird über das Hydrazid (III) mit Cyanamid (IV) zu dem Triazolochinazolinon (V) umgesetzt.
ChemInform Abstract: Synthesis of 6‐Trifluoromethyl‐4H‐lA‐benzothiazines as Possible Anticancer Agents.
Authors: GUPTA R. R. , KUMAR R.
Published: May 2016

Die im Titel genannten Verbindungen (III) werden durch Kondensation und oxidative Cyclisierung des Aminothiophenols (I) mit den β‐Diketonen (II) synthetisiert.
ChemInform Abstract: Cycloadditions of Carbonyl Diisocyanate.
Authors: AKTERIES B. , JOCHIMS J. C.
Published: May 2016

Aseries of cycloaddition reactions of the title compound (I) is carried.out affording the heteronäphthalenes shown in the scheme.
ChemInform Abstract: Acetal‐Initiated Cyclizations of Vinylsilanes. A General Synthesis of Allylically Unsaturated Oxacyclics.
Authors: OVERMAN L. E. , CASTANEDA A. , BLUMENKOPF T. A.
Published: May 2016

Alkylation of the lithium reagent derived from the bromide (II) with the iodide (1) affords the (Z)‐vinylsilane acetal (IIIa), which is cyclized to provide the tetrahydropyran (IVa).
ChemInform Abstract: Fluorinated Tricyclic Neuroleptics with Prolonged Action: 7‐Fluoro‐11‐[4‐(2‐hydroxyethyl)piperazino]‐2‐isopropyl‐10,11‐dihydrodibenzo[b,f]thiepin.
Authors: PROTIVA M. , JILEK J. , RAJSNER M. , POMYKACEK J. , RYSKA M. , HOLUBEK J. , SVATEK E. , METYSOVA J.
Published: May 2016

Substitution reaction of the benzothiepin (Ia) with the piperazines (II) gives the title compound iso?oxythepin (Ib) and its derivative (Ic), which is hydrolysed to give the free amine (Id).
ChemInform Abstract: Novel Synthetic Access to 15‐ and 18‐Membered Ring Diaza‐bibracchial Lariat Ethers (BiBLEs) and a Study of Sidearm‐Macroring Cooperativity in Cation Binding.
Authors: GATTO V. J. , ARNOLD K. A. , VISCARIELLO A. M. , MILLER S. R. , GOKEL G. W.
Published: May 2016

Aus den Aminen (I) erhält man mit den Iodalkylethern (II) direkt oder über die Zwischenstufen (III) die Makrocyclen (IV).
ChemInform Abstract: Contributions to the Chemistry of Boron. Part 169. Sterically Demanding N‐Lithioaminoboranes: Reagents for the Synthesis of Symmetrically and Unsymmetrically Substituted Diborylamines.
Authors: NOETH H. + , PRIGGE H. , ROTSCH A.‐R.
Published: May 2016

N‐Metalation of the amines (I) yields the lithium amides (II), which are synthons for substituted diborylamines (IV) and (V).
ChemInform Abstract: Boron Compounds. Part 70. Dimeric (Dihalogenoaluminiooxy)diorganoboranes.
Authors: KOESTER R. + , TSAY Y.‐H. , KRUEGER C. + , SERWATOWSKI J.
Published: May 2016

The reaction of tetraorganodiboroxanes (I) with solid AI trihalides (II), (AICI3)" and (AIBr3)2, proceeds with elimination of halogenodiorganoboranes (IV) to afford the crystalline title Compounds (III).
ChemInform Abstract: Boron Compounds. Part 71. Novel Organoboron‐Oxygen‐Halogenaluminium Compounds from Triorganoboroxins with Aluminium Trihalides.
Authors: KOESTER R. + , ANGERMUND K. , SERWATOWSKI J. , SPORZYNSKI A.
Published: May 2016

The 4:6 molar reaction of the triorganoboroxins (I) with Al trihalides (II) leads to the novel compounds (III) via RBX; (IV) elimination.
ChemInform Abstract: Trifluoromethyl‐aminoboranes.
Authors: BUERGER H. + , GRUNWALD M. , PAWELKE G.
Published: May 2016

Durch Trifluormethylierung der Bromborane (IV), (VI) und (VIII) mit dem aus CF3Br (I) und (II) in situ generierten Phosphoniumsalz (III) werden die Trifluormethyl‐aminoborane (V), (VII) und (IX) erhalten.
ChemInform Abstract: Vinyl Copper Derivatives. Part 29. Addition of α‐Silylated Organocopper Reagents to Alkynes, Access to γ‐Silylated Vinyl Copper Reagents.
Authors: FOULON J. P. , BOURGAIN‐COMMERCON M. , NORMANT J. F.
Published: May 2016

The reagents TMS‐ CHZCu, MgClBr [from (II) and CuBr, in the presence as well as in the absence of LiI or P(OEt)3], LiCu(CH2‐TMS)2, TMS‐CH(alk)‐Cu, LiCl or TMS‐ CH(alk)‐MgClBr (alk: alkyl) were used to prepare allylic trimethylsilanes, e.g. (IV), (VII), (IX), (XI)/(XII), (XIII) and (XV).
ChemInform Abstract: β‐Silylation of N‐Alkylpyrroles, Experimental Support of Theoretical Calculations.
Authors: MAJCHRZAK M. W. , SIMCHEN G.
Published: May 2016

The deuterium distribution in the reaction products (III) and (IV) from the trimethylsilation of the indole (II) demonstrates the predominance of β‐substitution over α‐substitution.
ChemInform Abstract: Synthesis and Crystal Structure of the Bis(benzene)gallium(I) Tetrabromogallate(III) Dimer.
Authors: USON‐FINKENZELLER M. , BUBLAK W. , HUBER B. , MUELLER G. + , SCHMIDBAUER H.
Published: May 2016

The crystalline title complex (I) ‐ 3 C6H6 is obtainable on cooling of a saturated benzene solution of anhydrous Ga2Br4 from 70 to 20°C. An X‐ray analysis confirms the dimeric structure shown (space group PT, Z=2).
ChemInform Abstract: Heteroatomic Silicon‐Oxygen Eightmembered Rings
Authors: GRAALMANN O. , MEYER M. , KLINGEBIEL U.
Published: May 2016

Sn2O4Si2, E O4Si3 (EI: Si, Ge, P, As, Ti) ‐ Synthesis of a Cyclic Silylester of the Phosphorous Acid.
ChemInform Abstract: Gas‐Phase Reactions of V+ and VO+ with Hydrocarbons Using Fourier Transform Mass Spectrometry.
Authors: JACKSON T. C. , CARLIN T. J. , FREISER B. S.
Published: May 2016

The V+ ion reacts predominantly with hydrocarbons such as C3 ‐ C9 alkanes or C3 ‐ C6 cyclic alkanes by insertion into C ‐ Hbonds inducing dehydrogenation.
ChemInform Abstract: Cleavage of a C‐S Bond in (Nb(SCH2CH2S)3)‐ Leading to Formation of a Sulfide and a tpdt Ligand in [NbS(SCH2CH2S)(SCH2CH2SCH2CH2S)]‐.
Authors: TATSUMI K. , SEKIGUCHI Y. , NAKAMURA A. , CRAMER R. E. , RUPP J. J.
Published: May 2016

The tris(dithiolato)niobate anion in (Ia), (Ib) undergoes an unexpected isomerization generating the thioether title complex anion isolated as (IIa), (IIb) which are rather stable in air as solids.
ChemInform Abstract: Multiple Bonds Between Main Group Elements and Transition Metals.
Authors: HERRMANN W. A. , ROHRMANN J.
Published: May 2016

The ionic complex (I) reacts with 562C]; to yield the diselenium compound (II) which is converted to the Se, derivative (III) by treatment with PPh3.
ChemInform Abstract: Molybdenum Metalloazines. New Reagents for C = C Bond Formation by an Organometallic Analogue of the "Wittig" Reaction.
Authors: SMEGAL J. A. , MEIER I. K. , SCHWARTZ J.
Published: May 2016

The molybdenum metalloazines (III) are prepared as shown for (IIIa).
ChemInform Abstract: Molecular Hydrogen Complexes of the Transition Metals. Part 2. Evidence for a New Complex, Mo(CO)(dppe)2(H2), and for Solution Equilibrium Between Dihydrogen and Dihydride Forms, M ‐ η2‐H2 ↔ H ‐ M ‐ H, in W(CO)3(PR3)2(H2).
Authors: KUBAS G. J. , RYAN R. R. , WROBLESKI D. A.
Published: May 2016

The formally 16‐electron complex (I) reacts with H2 to form two forms of the crystalline η2‐H2 derivative (II) depending on solvent.
ChemInform Abstract: Bis[(tert‐butylnitrene)tetrachlorotungsten]: Synthesis, IR Spectrum, and Crystal Structure.
Authors: STAHL K. , WELLER F. , DEHNICKE K. , PAETZOLD P.
Published: May 2016

Bisl(tert‐butylnitrene)tetrachlorotungstenl: Synthesis, IR Spectrum, and Crystal Structure.
ChemInform Abstract: Deprotonation and Anionic Rearrangements of Organometallic Compounds.
Authors: HEAH P. C. , PATTON A. T. , GLADYSZ J. A.
Published: May 2016

Reaction of the acyl‐Re Complexes (I) with LiN(iPr)2 and then MeI gives the acylcyclopentadieny1(methyl) derivatives (IV).
ChemInform Abstract: [ReCl2(NS)(NSCl)(Pyridine)2], a Thionitrosyl‐chlorothionitrene Complex of Rhenium.
Authors: HAUCK H.‐G. , WILLING W. , MUELLER U. + , DEHNICKE K.
Published: May 2016

The Re(V) title compound (II) is obtained by the reaction of pyridine with the Re(VII) complex (I) or (III) under the reducing action ofCH2C12.
ChemInform Abstract: High‐Valent Iron Porphyrins: Synthesis, X‐Ray Structures, π‐Cation Radical Formulation, and Notable Magnetic Properties of Chloro(meso‐tetraphenylporphinato)iron(III) Hexachloroantimonate and Bis(perchlorato)(meso‐tetraphenylporphinato)iron(III).
Authors: GANS P. , BUISSON G. , DUEE E. , MARCHON J.‐C. , ERLER B. S. , SCHOLZ W. F. , REED C. A.
Published: May 2016

To a solution of (Ia) in CH2Cl2 was added phenoxathiinium hexachloroantimonate, the resulting oxidation product, the complex (IIa), was shown to be an iron(III) porphyrin π‐cation radical rather than an iron(IV) compound.
ChemInform Abstract: Electron‐Transfer Pathways in the Hydride Abstraction by Ph3C+ from Exo‐Substituted Cyclohexadiene Fe(0) Complexes: A Key Step in the Synthesis of Heterobifunctional Cyclohexadienes from Benzene.
Authors: MANDON D. , TOUPET L. , ASTRUC D.
Published: May 2016

Addition of the trityl salt (II) to the iron complexes (I) affords the red, air‐stabl‐e, exo‐substituted cyclohexadienyl complexes (III).
ChemInform Abstract: [45](1,2,3,4,5)Ferrocenophane: Superferrocenophane.
Authors: HISATOME M. , WATANABE J. , YAMAKAWA K. , IITAKA Y.
Published: May 2016

The title compound (IIb) is obtained by insertion of a one‐carbon unit into the oxotrimethylene bridge of the precursor ferrocenophane (I) using BF3 ‐ OEt/diazomethane followed by quantitative reduction of the intermediary ketone (IIa).
ChemInform Abstract: Retention of Phosphorus Configuration on Forming Irontetracarbonyl Complexes with Phosphines in the 9‐Phosphabicyclo[4.2.1]nonatriene and 7‐Phosphanorbornene Systems.
Authors: CRUMBLISS A. L. , TOPPING R. J. , QUIN L. D.
Published: May 2016

Die Phosphol‐Dimeren (I) bzw. (IV) reagieren mit Dieisen‐enneacarbonyl (II) zu den Eisencarbonyl‐Komplexen (III) bzw. (V); in gleicher Weise werden die Komplexe (VII) bzw. (IX) gebildet.
ChemInform Abstract: Formation of N21,N22‐Etheno Bridged Porphyrins by the Reaction of Cobalt(III) Porphyrin π‐Cation Radicals with Alkynes.
Authors: SETSUNE J. , IKEDA M. , KISHIMOTO Y. , KITAO T.
Published: May 2016

The present study demonstrates that two recently investigated n‐cation radicals of an octaethylporphyrinatocobalt complex, [OEPCo(III)]2+2 Br′ and [OEPCo(III)]2+2 Cl04‐ , react in a different manner.
ChemInform Abstract: First Photochemical Envelope Isomerization of a Late‐Transition‐Metal 1,3‐Butadiene Complex: A Triple Stereochemical Labeling Experiment.
Authors: EATON B. , KING J. A. JUN. , VOLLHARDT K. P. C.
Published: May 2016

Irridation of an 1:5 mixture of the two diastereomers (I) and (III) bearing three stereochemical lables gives complete diastereoisomerization and leads to an 1:5 mixture of (II) and (IV) (no yields given).
ChemInform Abstract: Synthesis and Structures of Dinuclear Nickel(I) Di‐tert‐butylarsenido Complexes: X‐Ray Crystal Structures of (Ni(μ‐tBu2As)(PMe3))2 (Ni ‐ Ni) and (Ni(μ‐tBu2As)(CN‐p‐tol)2)2 (Ni ‐ Ni) (tol: Tolyl).
Authors: JONES R. A. , WHITTLESEY B. R.
Published: May 2016

The reaction of the Ni(II) complex (I) with Li‐ As(tBu)2 gives the title complex (II) as shown.
ChemInform Abstract: Adenosine Adducts with First Row Transition Metal Perchlorates.
Authors: MIKULSKI C. M. , MINUTELLA R. , DE FRANCO N. , BORGES G. JUN. , KARAYANNIS N. M.
Published: May 2016

Refluxing 3:1 or 2:1 molar mixtures of adenosine and appropriate hydrated metal perchlorates in ethanol ‐ triethyl orthoformate leads to 3:2 and l:l‐adducts, respectively.
ChemInform Abstract: Synthesis of Metal Paddlanes: X‐Ray Structure Determination of Bis‐(methyl nicotinate)copper(II) Acetate Dimer.
Authors: NEWKOME G. R. , THERIOT K. J. , GUPTA V. K. , BALZ R. N. , FRONCZEK F. R.
Published: May 2016

The N,N′‐bidentate ligands (I) capable of spanning the axial sites ofCu(1I) acetate dimer are prepared by reaction of nicotinoyl Chloride with appropriate glycols in benzene (yields ca. 100%).
ChemInform Abstract: Coordination Compounds of Heterocyclic Azo Derivatives. Part 3. Co(II), Ni(II) and Cu(II) Complexes of Some Arylazo‐4,5‐diphenylimidazole Derivatives.
Authors: MAHMOUD M. R. , HAMMAM A. M. , EL‐GYAR S. A. , IBRAHIM S. A.
Published: May 2016

Dye ligands, prepared by a literature method, react with nitrates of Co(II) and Cu(ll) or NiClz (MeOH, reflux, 3 h) to form the title Complexes (I) (some of them isolated as dihydrates) or (II) (no yields given).
ChemInform Abstract: Synthesis of Halo(ylide)gold(I) Complexes.
Authors: USON R. , LAGUNA A. , LAGUNA M. , USON A. , GIMENO M. C.
Published: May 2016

Reactions of the phosphoroylide‐ Au(I) complexes (II) with HCl or HBr lead to the title Compounds (I).
ChemInform Abstract: Chiroptical Properties of Compounds Containing Metal‐Metal Bonds. Syntheses, Structures, and the Measurement and Interpretation of Electronic and Circular Dichroism Spectra of Rh2[(S)‐mandelate]4(EtOH)2 and Rh2[(R)‐α‐methoxy‐α‐phenylacetate]4(THF)2.
Authors: AGASKAR P. A. , COTTON F. A. , FALVELLO L. R. , HAN S.
Published: May 2016

(Ia) was prepared by reaction of RhCl3·3 H2O and (S)‐mandelic acid in aqueous solution in the presence of DMF (80°C, 6h) followed by recrystallization from EtOH, and (Ib) from RhCl3·3 H2O and the corresponding acid in 1:1 H2O/EtOH (reflux, 1 h), followed by extraction with THF.
ChemInform Abstract: Tertiary Phosphines Containing ortho‐Carborane as Backbone. Some Palladium(II) Complexes.
Authors: CONTRERAS J. G. , SILVA‐TRIVINO L. M. , SOLIS M. E.
Published: May 2016

The chloro‐Pd complexes (I)‐(III) of the appropriate phosphinesubstituted ortho‐carboranes are prepared by reaction of PdCI2(NCMe)2 with stoichiometric amount of the ligand in CH2C12.
ChemInform Abstract: HOs3(CO)10(C2H5): An Alkyl Complex with Observable α, β, and Reductive Elimination Processes.
Authors: CREE‐UCHIYAMA M. , SHAPLEY J. R. , GEORGE G. M. ST.
Published: May 2016

The ethyl title Cluster (III) is prepared in two steps from the vinyl Cluster (I) as shown.
ChemInform Abstract: Nucleophilic Attack of Amine and Hydroxide to Platinum Dibenzonitrile Dichloride.
Authors: MARESCA L. , NATILE G. , INTINI F. P. , GASPARRINI F. , TIRIPICCHIO A. , TIRIPICCHIO CAMELLINI M.
Published: May 2016

The trans and cis isomers (Ia) and (Ib) of PtCl2(NCPh)2 react with N,N′‐di‐tert‐butylethylenediamine (II) to give the cationic complex (III) or the neutral complex (V).
ChemInform Abstract: Polymethine Dyes on the Basis of Mesoionic Thiazolo[3,2‐a]pyrimidine‐3‐ oxides.
Authors: FEDOTOV K. V. , ROMANOV N. N.
Published: May 2016

Die in 5‐ oder 7‐Stellung substituierten Thiazolopyrimidine (I) bilden mit den heterocyclischen Iminiumsalzen (II) die Farbstoffe (III) bzw. (IV).
ChemInform Abstract: Naturally Occurring Benzoporphyrins: Bacterial Marker Pigments?
Authors: KAUR S. , CHICARELLI M. I. , MAXWELL J. R.
Published: May 2016

The monobenzoporphyrins (Ia) and (Ib), the most abundant rhodoporphyrins in a crude oil (Boscan; Cretaceous, Venezuela) are isolated and their structure is elucidated.
ChemInform Abstract: New Derivatives of meso‐(Tetra‐4‐pyridyl)porphin and Some of Their Transformations.
Authors: MADAKYAN V. N. , KAZARYAN R. K. , KHACHATRYAN M. A. , STEPANYAN A. S. , KURTIKYAN T. S. , ORDYAN M. B.
Published: May 2016

Aus dem Kobaltkomplex des meso‐(Tetrapyridyl)‐porphins (I) wird durch Umsetzung mit Bromwasserstoff und Cyclohexylamin der Komplex (II) erhalten, aus dem die verschiedenen Cyanderivate (III)‐(V) hergestellt werden.
ChemInform Abstract: Rate Constants for the Gas‐Phase Reactions of the OH Radical with a Series of Monoterpenes at 294 ± 1K.
Authors: ATKINSON R. , ASCHMANN S. M. , PITTS J. N. JUN.
Published: May 2016

Relative to a rate constant for the reaction of OH radicals with 2,3‐dimethyl‐2‐butene of 1.12·10‐10cm3 molecule‐1sec‐1, the rate constants obtained were (in units of 10‐11 cm3 molecule‐1 sec‐1): α‐pinene, 5.45 ±0.32; β‐pinene, 7.95 ±0.52; Δ3‐carene, 8.70 ±0.43; d‐limonene, 16.9 ±0.5; α‐terpinene, 36 ±4.0; γ‐terpinene, 17.6 ±1.8; α‐phellandrene, 31.0 ±7.1; myrcene, 21.3 ±1.6; and ocimene (a cis‐, trans‐mixture), 25.0 ±1.9.
ChemInform Abstract: Formation of a Caryophyllene Derivative with cis‐Fusion of the Nonane and the Butane Carbocycles.
Authors: TKACHOV A. V. , MAMATYUK V. I. , DUBOVENKO ZH. V.
Published: May 2016

The oxymercuration ‐ demercuration sequenee of caryophyllene (I) affords the caryophylIane‐4,8‐oxide (II) with an unusual cis‐fusion of the nine‐ and the four‐membered rings as one of the products.
ChemInform Abstract: Cyclization of Cembrane Diterpenoids. Part 3. Formation of Eunicellane Formate from Cembrene.
Authors: RALDUGIN V. A. , SHEVTSOV S. A. , MAMATYUK V. I. , PENTEGOVA V. A.
Published: May 2016

The eunicellane formate (II) is isolated as one of the products from the reaction of cembrene (I) with formic acid.
ChemInform Abstract: Total Synthesis of Natural Estrone and Estradiol Methyl Ethers in Extremely High Enantiomeric Purity via an Asymmetrie Michael Addition to an Unsaturated Sulfoxide.
Authors: POSNER G. H. , SWITZER C.
Published: May 2016

The asymm. Michael addition of the lithium eno1ate(IIa)tothe chiral sulfoxide (IIIa) gives the key intermediate (IVa) in good yield but unsatisfactory se1ectivity in respect of the stereocenter at C‐14 (the degree of asymm. induction is determined via the en‐17‐o1 esters of Mosher acid).
ChemInform Abstract: Steroids. Part 322. Preparation of 2α,3α‐Dihydroxy‐7‐oxa‐6‐oxo‐23,24‐dinor‐B‐homo‐5α‐cholanic Acid, its Esters and Amides as Brassinolide Analogues.
Authors: CERNY V. , STRNAD M. , KAMINEK M.
Published: May 2016

The known dinorcholenate (I) is converted to the diacetate (VIIIa) by the sequence shown in the scheme.
ChemInform Abstract: Synthesis of Estradiol Haptens.
Authors: MUEHLENBRUCH B. + , KIRMEIER F. , ROTH H. J.
Published: May 2016

Das Steroid (1) wird mikrobiell zu (II) aromatisiert und anschließend auf konventionellem chemischem Wege weiter in das Amin (V) umgewandelt.
ChemInform Abstract: Aldonic Acids. Part 6. Base‐Catalyzed Rearrangement of 6‐Bromo‐3,6‐dideoxyaldohexono‐1,4‐lactones.
Authors: BOCK K. , LUNDT I. , PEDERSEN C.
Published: May 2016

Reaction of the deoxy‐D‐arabino‐hexonolactone (II) [or the corresponding salt (I)] with HBr/Ac‐ OH gives the bromolactone (IIIa); the bromolactone (VIIb) is prepared from (VIIa) in a similar fashion.
ChemInform Abstract: Synthesis of the Carbohydrate Moiety of Bleomycin. 1,3,4,6‐Tetra‐O‐Substituted L‐ Gulose Derivatives.
Authors: KATANO K. , CHANG P.‐I. , MILLAR A. , POZSGAY V. , MINSTER D. K. , OHGI T. , HECHT S. M.
Published: May 2016

Aus D‐Glucose (I) werden die Gulose‐Derivate (II)‐(IV) neben zahlreichen anderen Verbindungen als Kohlenhydrat‐Bausteine fü‐r die Synthese des Antibioticums Bleomycin hergestellt.
ChemInform Abstract: 2,2,5‐Trimethyl‐1,3‐dioxolane‐4‐carboxaldehyde as a Chiral Synthon: Synthesis of the Two Enantiomers of Methyl 2,3,6‐Trideoxy‐α‐L‐threo‐ hex‐2‐enopyranoside, Key Intermediate in the Synthesis of Daunosamine and of (+)‐ and (‐)‐Rhodinose.
Authors: SERVI S.
Published: May 2016

Die isomeren Aldehyde (Ia) und (Ib) werden als chirale Hilfsmittel eingesetzt.
ChemInform Abstract: A New Simple Synthesis of Amino Sugar β‐D‐Glycosylamines.
Authors: LIKHOSHERSTOV L. M. , NOVIKOVA O. S. , DEREVITSKAJA V. A. , KOCHETKOV N. K.
Published: May 2016

Durch direkte Kondensation der freien Aminozucker (I) und (III) mit Ammoniumhydrogencarliefert.
ChemInform Abstract: Branched‐Chain Sugars. Part 38. Ring‐Opening Reactions of Some Branched‐Chain Anhydro Sugars Using Hydride and Azide as Nucleophiles.
Authors: KAWAUCHI N. , HASHIMOTO H. , YOSHIMURA J.
Published: May 2016

Die Öffnung des Oxiranringes verschiedener verzweigter Anhydrozucker wie (II) und (III) führt, abhängig vom′ verwendeten nucleophilen Reagens und von der Stereochemie der jeweiligen Ausgangsverbindung, zu diaxialen (II) und (IV) bzw. diäquatorialen Öffnungsprodukten (V).
ChemInform Abstract: Building Blocks of Oligosaccharides. Part 62. Glycosidic Synthesis of N‐Acetylneuraminic Acid with Secondary Hydroxyl Groups.
Authors: PAULSEN H. , VON DEESSEN U.
Published: May 2016

Die Glykosidsynthese zwischen dem Bromid (I) und der partiell geschützten Galaktose (II) liefert die anomeren Trisaccharide (IIIa) und (IVa), die nach bekannten Methoden zu den entsprechen‐ IKC den freien Verbindungen (IIId) und (IVd) entblockiert werden.
ChemInform Abstract: Synthesis and Thermal Chemistry of Isolevoglucosenone.
Authors: FURNEAUX R. H. , GAINSFORD G. J. , SHAFIZADEH F. , STEVENSON T. T.
Published: May 2016

Durch Michael‐Addition von Benzylalkohol an Lävoglucosenon (I) wird die Anhydro‐2‐ulose (II) erhalten, deren Reduktion die epimeren Anhydrozukker (IIIa) und (IVa) liefert.