bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Unsaturated Acyl Cyanides. Part 6. Self‐Condensation and Conjugate Addition of Allyl‐, Allenyl‐, Propargyl‐, and Alkynyltrimethylsilanes.
Authors: SANTELLI M. , EL ABED D. , JELLAL A.
Published: May 2016

Die aus den Acrylsäurechloriden (I) mit Kupfercyanid in Acetonitril bzw. Benzonitril zugänglichen Acylcyanide (II) kondensieren in Gegenwart von Basen zu den Pyranonen (V)‐(VII), die zu den Dicarbonsäuren (VIII) hydrolysiert werden.
ChemInform Abstract: Synthesis of 2‐Mercapto‐ and 2‐Methylthio‐dihydropyrimidine Derivatives by Biguinelli Type Reaction.
Authors: FERNANDEZ M. V. , HERRERA F. J. L. , COBOS T. L.
Published: May 2016

Glycerinaldehydacetal (I), Acetessigsäureester (II) und Thioharnstoff (III) kondensieren zum Dioxolanylpyrimidin (IV), dessen Hydrolyse in Essigsäure zu einem Gemisch aus dem Lacton (V) und dem Ester (VI) führt.
ChemInform Abstract: Synthesis and 121Sb Mößbauer Study of a Number of Organoantimony(III) Compounds Containing Antimony ‐ Main Group V Element Bonds.
Authors: STEVENS J. G. , TROOSTER J. M. , MARTENS H. F. , MEINEMA H. A.
Published: May 2016

The diphenylaminostibines (III) could be successfully synthesized by a transamination reaction.
ChemInform Abstract: Metal π‐Complexes of Benzene Derivatives. Part 27. Bis(η6‐arsabenzene)chromium(0).
Authors: ELSCHENBROICH C. , KROKER J. , MASSA W. , WUENSCH M. + , ASHE A. J. III
Published: May 2016

The title compound (I) is formed by cocondensation of Cr atoms and arsabenzene.
ChemInform Abstract: Interaction of Tin Methylchlorides SnMenCl4‐n with Molybdenum Hydride Bis(cyclopentadienyl).
Authors: PROTSKY A. N. , BULYCHEV B. M. , SOLOVEICHIK G. L. , BELSKY V. K.
Published: May 2016

The interaction between the dihydride (I) and SnMenCl4‐n proceeds in aprotic solvent with elimination of HCl and formation of the heterometallic complexes (II), or (III) and (IV) as shown which contain Mo‐ Sn σ‐bonds.
ChemInform Abstract: Synthesis and Characterization of High‐Valent Oxo ‐ Olefin and Oxo ‐ Carbonyl Complexes. Crystal and Molecular Structure of W(O)Cl2(CH2=CH2)(PMePh2)2.
Authors: SU F.‐M. , COOPER C. , GEIB S. J. , RHEINGOLD A. L. , MAYER J. M.
Published: May 2016

Ethylene, propylene, and 1,3‐butadiene react with the cis‐mer‐W complex (II) with elimination of one phosphine ligand to form the air‐stable, crystalline olefin derivatives (I).
ChemInform Abstract: Reported Synthesis of the Tetraphenyl Tetraazaannulene Macrocycle: 6,8,15,17‐Tetraphenyldibenzo[b,i][1,4,8,11]tetraazacyclotetradecene.
Authors: HOTZ R. P. , PURRINGTON S. T. , BEREMAN R. D.
Published: May 2016

Contrary to previously report the reaction of 1,2‐diaminobenzene, 1,3‐diphenyl‐1,3‐propanedione, and FeCl3 in dry methanol leads to a diamine adduct (Ia) of the Fe(III) β‐diketonate.
ChemInform Abstract: Lewis Acid Mediated Version of the Nicholas Reaction: Synthesis of Syn‐Alkylated Products and Cobalt‐Complexed Cycloalkynes.
Authors: SCHREIBER S. L. , SAMMAKIA T. , CROWE W. E.
Published: May 2016

The intermolecular type of the title reaction was carried out to generate syn‐alkylated products with high diastereoselection.
ChemInform Abstract: Complex‐Induced Fragmentation of As4S4; First Stabilization of an As2S3 Ligand.
Authors: BRUNNER H. , KAUERMANN H. , NUBER B. , WACHTER J. , ZIEGLER M. L.
Published: May 2016

The photochcmical reaction of Co complex (I) with As4S4 leads to the diamagnetic product (II) which is characterized by elemental analysis, MS spectrum, and X‐ray structure analysis (space group P4,2,2, Z=4).
ChemInform Abstract: Reduced Cobalt‐meso‐tetraphenylporphyrin Complexes: Synthesis and Structure of [Na(THF)3]2[Co(′TPP)].
Authors: CIURLI S. , GAMBAROTTA S. , FLORIANI C. , CHIESI‐VILLA A. , GUASTINI C.
Published: May 2016

The reduction of Co(II) meso‐tetraphenylporphyrin Co(TPP) with two equiv sodium sand leads rather to the title dianion than to the monoanion.
ChemInform Abstract: A Novel Oxygen Atom Transfer Reaction. Isomerization of Nickel(II) Octaethylporphyrin N‐Oxide to Nickel(II) Octaethyloxochlorin.
Authors: BALCH A. L. , CHAN Y. W.
Published: May 2016

When heating a xylene solution of (I) a thermal isomerization to form (II) occurs.
ChemInform Abstract: Synthesis of 2‐ and 6‐Triazolylthiazolo[4,5‐b]quinoxaline Derivatives and Their Application as Fluorescent Disperse Dyes.
Authors: PHADKE R. C. , RANGNEKAR D. W.
Published: May 2016

Die Synthesen der im Titel genannten Verbindungen erfolgen gemäß dem Formelschema.
ChemInform Abstract: Application of Selenosulfonation to Marine Sterol Synthesis. Preparation of 24,28‐Dehydroaplysterol, Xestosterol and Ostreasterol from a Common Acetylenic Intermediate.
Authors: BACK T. G. , PROUDFOOT J. R. , DJERASSI C.
Published: May 2016

Aus der Iodverbindung (I) entsteht das Acetylen (III), das mit Phenylselenotosylat (IV) in Gegenwart von AIBN zu (V) substituiert werden kann.
ChemInform Abstract: A Novel Skeletal Rearrangement of an Indolizidine Alkaloid, Swainsonine via an Aziridinium Intermediate.
Authors: SETOI H. , TAKENO H. , HASHIMOTO M.
Published: May 2016

Die Reaktion des aus Swainsonin‐acetonid (Ia) hergestellten Mesylats (Ib) mit den Nucleophilen (II) liefert trennbare Gemische aus den Umlagerungsprodukten (III) und den Substitutionsprodukten (IV).
ChemInform Abstract: Cationic Cyclopentaannelation: An Efficient Methylenomycin Synthesis.
Authors: TIUS M. A. , ASTRAB D. P. , FAUQ A. H. , OUSSET J.‐B. , TREHAN S.
Published: May 2016

Syntheses for Methylenomycin B (III), compound (VIII), a precursor of Methylenomycin A (IX) and compound (XVI), a presumed precursor of xanthocidin (XVII), are elaborated.
ChemInform Abstract: PtSi Contact Metallurgy Using Sputtered Pt and Different Annealing Processes.
Authors: CHANG C.‐A. , SEGMUELLER A. + , HUANG H.‐C. W. , CUNNINGHAM B. , TURENE F. E. , SUGERMAN A. , TOTTA P. A.
Published: May 2016

PtSi contacts have been formed by different annealing processes using different ambients (forming gas, N2, O2) and sputtered Pt.
ChemInform Abstract: In Situ Generated Colloidal Semiconductor CdS Particles in Dihexadecyl Phosphate Vesicles: Quantum Size and Asymmetry Effects.
Authors: TRICOT Y.‐M. , FENDLER J. H.
Published: May 2016

CdS particles have been generated in situ by exposure of Cd" ions to gaseous HZS in the presence of dihexadecyl phosphate vesicles.
ChemInform Abstract: Photoelectrochemical Cells of the Electrolyte‐Metal‐Insulator‐Semiconductor (EMIS) Configuration.
Authors: HOWE A. T. , HAWKINS R. T. II , FLEISCH T. H.
Published: May 2016

Photoelectrodes of the type Pt/SiO2/n‐Si have been studied in both aqueous iodine and bromine solutions in order to elucidate the role of the thin Pt overlayer and the thermally grown tunnel oxide.
ChemInform Abstract: The Vaporization of Silver in a Stream of Oxygen
Authors: SCHAEFER H. + , KLUY W.
Published: May 2016

at 61 l ‐72l ° C has been investigated using a transport equipment.
ChemInform Abstract: Metal Plated Ceramic ‐ A Novel Electrode Material.
Authors: IACOVANGELO C. D.
Published: May 2016

It is demonstrated that Ni and Cu‐plated ceramics, e.g., Al2O3, SrTiO3, and LiAlO2, are excellent anode materials for molten carbonate fuel cells due to their good stability, creep resistance, flexibility of pore size control, and performance.
ChemInform Abstract: Binuclear p‐Nitrido Complexes of Molybdenum.
Authors: SCHMITTE J. , DEHNICKE K.
Published: May 2016

The M0 p‐nitrido complexes (III) and (V) have been prepared as shown in the scheme.
ChemInform Abstract: Synthesis and Conformational Aspects of 2‐Methyl and 2‐tert‐Butyl Substituted 1,3‐Cyclopentane and Cyclohexane Diols.
Authors: D'HAENENS L. , VAN DE SANDE C. C. , TAVERNIER D. , VANDEWALLE M.
Published: May 2016

The diastereomers (II), (III), and (IV) are prepared from the diketones (I) via the corresponding cyclic borate esters.
ChemInform Abstract: Ring Fission of Condensed Pyridazines.
Authors: OISHI E. , YAMADA A. , OTA S. , HIGASHINO T.
Published: May 2016

Das Triazolopyridazin (I) reagiert mit den primären Aminen (II) unter Ringöffnung zu den Aldiminen (III).
ChemInform Abstract: 2,2′‐Dipyrrolidine as a Precursor to Novel Diazatricyclic Systems.
Authors: BIRD T. G. , MOSCHNER K. , ROBERT M.‐H. , COLLARD‐MOTTE J. , JANOUSEK Z. , MERENYI R. , VIEHE H. G.
Published: May 2016

The reaction of the title compound (II) with carbonyl derivatives or, generally, biselectrophiles (III), (VI), (VII), (XII), (XIII) and (XV) gives access to the corresponding heterocyclic systems (IV), (V), (XI) and (XIV) [the configurational assignment to the diastereomers (XIV) is uncertain].
ChemInform Abstract: Reactions with 3‐Aryl‐s‐triazoline‐5‐thiones. Part 2. Synthesis of 2‐Substituted Thiazolo[3,2‐b]‐s‐triazoles.
Authors: ABDEL‐FATTAH A. M. , SOLIMAN A. A. , HUSSAIN S. M. , MOHARRAM H. H.
Published: May 2016

Die Triazole (I) können unter dem Einfluß von Polyphosphorsäure zu den Thiazolotriazolen (II) cyclisiert werden.
ChemInform Abstract: Homogeneous Catalytic Photochemical Functionalization of Alkanes by Polyoxometalates.
Authors: RENNEKE R. F. , HILL C. L.
Published: May 2016

The charge‐transfer excited state of heteropolytungstic acid is accessible with UV or blue light and functionalizes alkanes and cycloalkanes such as (I) or (III).
ChemInform Abstract: Photo‐Arylation: Synthesis of Aryl‐ and Heteroarylpyridines by Photolysis of Iodopyridines.
Authors: SEKI K. , OHKURA K. , TERASHIMA M. , KANAOKA Y.
Published: May 2016

Photolyse der Iodpyridine (I) bzw. Iodchinoline (IV) in Gegenwart der fünfgliedrigen Heterocyclen (II) liefert die Kupplungsprodukte (III) bzw. (V).
ChemInform Abstract: Rate‐Determining Step for Decay of Triplet Biradicals: Intersystem Crossing vs. Chain Dynamics.
Authors: ZIMMT M. B. , DOUBLEDAY C. E. JUN. , TURRO N. J.
Published: May 2016

The decay of biradicals, generated from 2‐phenylcycloalkanones (n: 6‐15) as precursors, is controlled by intersystem Crossing at room temp. and is independent of viscosity (activation energy 0.8‐ 1.5 kcal/mol).
ChemInform Abstract: 1,3‐Halogen Shift of 2‐Halogeno‐4,5‐dimethylphenols Following Oxidation with Fremy′s Salt.
Authors: JACOBS A. W. C. M. , MAAT L.
Published: May 2016

Oxidation of the halogenophenol (I) with the title reagent followed by in situ reduction yields the rearranged product (II).
ChemInform Abstract: Nitration of 5,6,7,8‐Tetrahydro‐5,8‐methanoisoquinoline N‐Oxide with Other Aromatic Substitutions.
Authors: IRIE T. , TANIDA H. , WAKISAKA Y. , DOTEUCHI M. , ISHIHARA Y.
Published: May 2016

Die Nitrierung des N‐Oxids (I) mit rauchender Salpetersäure liefert das 3‐Nitro‐Derivat (II), das zu der Verbindung (III) desoxygeniert wird.
ChemInform Abstract: An Unusual Methoxy Group Migration: Synthesis of cis‐CH3OSF4NCO and cis‐CH3OSF4NHC(O)OCH3.
Authors: THRASHER J. S. , HOWELL J. L. , CLARK M. , CLIFFORD A. F.
Published: May 2016

Reaction of the isocyanate (I) with (II) gives compound (III); if extended reaction periods are employed, the product (V) is obtained instead, giving (VI) on treatment with methanol.
ChemInform Abstract: cis‐ and trans‐Opening of Oxirane by Vinyl Grignard Reagents.
Authors: HENIN F. , MUZART J.
Published: May 2016

Die Ringöffung des Oxirans (I) mit Vinylmagnesiumbromid (II) in Gegenwart von 98%igem Kupfer(I)‐iodid liefert überraschenderweise ein Gemisch aus dem trans‐ (III) und dem cis‐Alkohol (IV).
ChemInform Abstract: Unexpected Formation of 1,4,7,9‐Tetrafluorodiamantane in the Reaction of l,4,9‐Tribromodiamantane with NO2+ BF4‐ /Pyridinium Polyhydrogen Fluoride (PPHF).
Authors: KRISHNAMURTHY V. V. , SHIH J. G. , SINGH B. P. , OLAH G. A.
Published: May 2016

Der Mechanismus der im Titel genannten Reaktion sowie die spektroskopischen Daten des Tetrafluordiamantans (Ib) werden ausführlich diskutiert.
ChemInform Abstract: Asymmetrie Synthesis of α‐Aminonitriles.
Authors: MAI K. , PATIL G.
Published: May 2016

Die O‐silylierten Cyanhydrine (II) reagieren mit dem R‐konfigurierten Amin (I) unter Zinkiodid‐Katalyse zu Gemischen der diastereomeren α‐Aminonitrile (III) und (IV).
ChemInform Abstract: Improved Methods for the Reductive Alkylation of Methoxybenzoic Acids and Esters: Applications to the Synthesis of Bicyclic Ketones.
Authors: HAMILTON R. J. , MANDER L. N. , SETHI S. P.
Published: May 2016

Birch reduction of benzoic acid derivatives (I), followed by in situ alkylation with the iodides (IV) (not isolated but used directly), provides the ketones (V); reduction of the esters (Ia), (Ic) should be carried out with addition of tBuOH, and that of the acids (Ib), (Id) under "aprotic" conditions.
ChemInform Abstract: Benzobicyclo[4.1.0]hepta‐2,4,6‐trienes.
Authors: WEST P. R. , MOORING A. M. , MCMAHON R. J. , CHAPMAN O. L.
Published: May 2016

Die Photolyse der Naphthyldiazomethane (III) und (V) in einer Argon‐ Matrix führt zu den Bicyclo[4.l.0]heptatrienen (I) bzw. (VI).
ChemInform Abstract: Dual Generation of the [4.4.4]Propella‐2,4,7,9,11‐pentaenyl Cation. Its Threefold Wagner‐Meerwein Rearrangement Cascade Leading to 4a,7‐Dihydropleiadiene.
Authors: PAQUETTE L. A. , WAYKOLE L. , JENDRALLA H. , COTTRELL C. E.
Published: May 2016

On treatment with the sulfurane (II), the tetraenol (I) is transformed via a rearrangement cascade of the initially formed title carbocation (III) into the dihydropleiadiene (IV).
ChemInform Abstract: Activated Nitriles in Heterocyclic Synthesis: A New Approach for the Synthesis of Pyran Derivatives.
Authors: IBRAHIM N. S.
Published: May 2016

Die Nitrile (II) reagieren mit Acetessigsäureethylester (Ia) bzw. Acetylaceton (Ib) zu den 2‐Aminopyranen (III) bzw. den 2‐Phenylpyranen (IV).
ChemInform Abstract: Vinyl Isocyanates as Aza Diene Equivalents. A Method for the Synthesis of Functionalized 4‐Hydroxy‐2(1H)‐pyridones.
Authors: RIGBY J. H. , BURKHARDT F. J.
Published: May 2016

Die Vinylisocyanate (II), die aus den Acrylsäuren (I) auf konventionellem Wege über eine Curtius‐Umlagerung hergestellt werden, reagieren mit den Esterenolaten (III) über die N‐Vinylamide (IV) zu den im Titel genannten Verbindungen (V).
ChemInform Abstract: Isoindolo[2,l‐b]isoquinolinium Bromide Previously Described as Isoquinolylbenzoic Acid Bromide.
Authors: DUSEMUND J. , KROEGER E. +
Published: May 2016

Die Bromierung des Dihydro‐isoindoloisochinolins (I) führt nicht zum Säurebromid (IIIb), sondern zum Isochinoliumsalz (II).
ChemInform Abstract: Transformations of 4‐Amino‐5‐cyanopyrimidines. The Synthesis and Transformations of Pyrimido[4,5‐d]pyrimidines.
Authors: URLEB U. , STANOVNIK B. , TISLER M.
Published: May 2016

Three new methodologies for the synthesis of the title system [cf.(VI), (X) and (XI)] starting from the amino nitriles (I) or their derivatives (III) are presented.
ChemInform Abstract: Catalytic Amination of 6‐Piperidino‐5,8‐quinoxalinechinone with Anilines.
Authors: TSCHERNYAK S. A. , TSIZIN YU. S.
Published: May 2016

Die Zn2+‐ bzw. Ni2+ katalysierte Umsetzung des Chinoxalinchinons (II) mit den Anilinen (I) liefert die 2‐Arylamino‐Derivate (III).
ChemInform Abstract: Pteridines. Part 77. C‐Acylations of Pteridines by Homolytic Heteroaromatic Substitution.
Authors: BORUAH R. C. , BAUR R. , PFLEIDERER W.
Published: May 2016

The synthesis of the Substrates (V) used in the title reaction, exemplified in the scheme for (Vb), is accomplished by coupling the corresponding diamine [e.g.
ChemInform Abstract: The Synthesis of Azatropolones and Azatropones and Their Chemical Properties.
Authors: SANO T. , HORIGUCHI Y. , TSUDA Y.
Published: May 2016

Ausgehend von dem Dihydroazatropolon (I) bzw. dem Bicyclus (V) werden gemäß Schema das Azatropolon (III) bzw. das Azatropon (VIII) hergestellt.
ChemInform Abstract: Bridgehead Nitrogen Heterocycles. Synthesis of Methanoazepines Fused with Tetrazole, 1,2,4‐Triazole and 1,2,4‐Triazine.
Authors: NAGAI S. , KATO N. , UEDA T. , ODA N. , SAKAKIBARA J.
Published: May 2016

Die durch Aminierung der Pyrazole (I) mit Hydroxylamin‐O‐sulfonsäure (II) zugänglichen N‐Amino‐Derivate (III) liefern bei der Oxidation mit Blei(IV)‐acetat unter Ringerweiterung die 1,2,3‐Triazine (IV).
ChemInform Abstract: Synthesis of 1,4‐Dihetero Seven‐Membered Rings Using Valence Bond Isomerization of Tricycloheptane Systems.
Authors: KURITA J. , IWATA K. , SAKAI H. , TSUCHIYA T.
Published: May 2016

Die ausgehend von 1,2‐Dihydropyridinen zugänglichen 2‐Azabicyclohexene (I) werden nach üblichen Methoden in die Tricyclen (II) übergeführt.
ChemInform Abstract: Synthesis of Chlorofluorovinylsilanes and Some Derivatives.
Authors: MARTIN S. , SAUVETRE R. , NORMANT J.‐F.
Published: May 2016

Die Vinylsilane (III) werden zu den Alkenen (IV), zu den Ketonen (V) und zu den Iodiden (VI) umgesetzt.
ChemInform Abstract: Reaction of 3‐tert‐Butyl‐1,2‐alkadienphosphonates with Electrophilic Reagents.
Authors: PRUDNIKOVA O. G. , BREL' V. K. , IONIN B. I.
Published: May 2016

Die aus den Butinolen (I) durch Umsetzung mit Phosphortrichlorid gebildeten Allenphosphonsäuredichloride (II) reagieren mit Methansulfenchlorid (IIIa) oder Chlor (IIIb) zu den entsprechend substituierten 1,3‐Butadienen (IV), während mit Sulfurylchlorid unter Cyclisierung das Oxaphospholenderivat (V) gebildet wird.
ChemInform Abstract: Synthesis and Study of the Spectroscopic Properties of ortho‐Carbonylated Benzene Tellurenyl Halogenides.
Authors: PIETTE J. L. , PARDON M. C. , WEBER R. , BAIWIR M. , LLABRES G.
Published: May 2016

The title Compounds (II) are prepared a) directly from (Ia) or b) stepwise from (Ib).
ChemInform Abstract: A Five‐Membered Germanium‐Oxygen Ring with Germanium‐Germanium Bond: 1,1,2,2‐Tetraphenyl‐4,4‐di‐tert‐butyl‐1,2,4‐trigerma‐3,5‐dioxa‐cyclopentan.
Authors: PUFF H. , HEISIG H. , SCHUH W. , SCHWAB W.
Published: May 2016

Der im Titel genannte Heterocyclus (III) wird gemäß Schema synthetisiert.
ChemInform Abstract: Regioselective Anion Generation and Alkylation at Carbon α to Nitrogen in (CO)5W=C(N(CH3)2)C6H4‐p‐CH3.
Authors: CASEY C. P. , HORNUNG N. L. , VOLLENDORF N. W.
Published: May 2016

Die Metallierung und Alkylierung des Wolframkomplexes (I) gelingt selektiv an der E‐ständigen Methylgruppe und führt zu den Komplexen (II).
ChemInform Abstract: Unusual Four‐Membered Chelate Rings of Pt(IV) with a Cytosine Nucleobase.
Authors: SCHOELLHORN H. + , BEYERLE‐PFNUER R. + , THEWALT U. , LIPPERT B.
Published: May 2016

Oxidation of the trans‐bis(l‐methylcytosine)‐Pt(II) complex (I) with H2O2 gives the all‐trans‐Pt(IV) complex (II) as a dihydrate.
ChemInform Abstract: Uridine 5′‐Diphosphate Glucose Analogues. Part 3. Diphosphate Modified Antiviral Analogues of Uridine 5′‐Diphosphate Glucose Derivatives.
Authors: FERNANDEZ‐RESA P. , GARCIA‐LOPEZ M.‐T. , DE LAS HERAS F. G. , SAN FELIX A. , ALARCON B. , CARRASCO L.
Published: May 2016

Aseries of analogues (IV), (VII), (VIII) of uridine 5′‐diphosphate glucose in which the five atom diphosphate bridge has been replaced by other three, five, and six atom bridges is prepared Starting from the compounds (Ia), (V), or (VI) as shown in the scheme.
ChemInform Abstract: Synthesis and Intramolecular Rearrangement of Enantiomeric Amino‐alcohols in the Aliphatic Thymidine Analogues Series.
Authors: SKARIC V. , RAZA Z. , KASNAR B.
Published: May 2016

Synthesis and identification of the individual enantiomers of aminoalcohol (VII) are described.
ChemInform Abstract: Phosphorothioite Method. Part 1. A New Type of Internucleotidic Bond Formations Involving Simultaneous Oxidation Process by Use of Deoxyoligonucleoside Phosphorothioites as New Key Intermediates for Deoxyoligonucleotide Synthesis.
Authors: FUJII M. , NAGAI H. , SEKINE M. , HATA T.
Published: May 2016

The phosphorothioites (III) are synthesized by reaction of the thymidine (I) and the reagent (II).
ChemInform Abstract: The Azomethine Imine Route to Guanidines. Total Synthesis of (±)‐Saxitoxin.
Authors: MARTINELLI M. J. , BROWNSTEIN A. D. , JACOBI P. A. , POLANC S.
Published: May 2016

The interaction of carboxylic hydrazides such as (II) [obtained by a multi‐step reaction sequence starting from (I)] with aldehyde acetals such as (III) produces azomethine imines, i.e. fused‐ring pyrazolidine derivatives such as (IV).
ChemInform Abstract: Focused Lamp Zone Melting Recrystallization of Silicon on Insulating Substrates.
Authors: SAKURAI J.
Published: May 2016

A new zone melting recrystallization (ZMR) technique for poly‐Si films on insulators has been developed using a pair of focused long tungsten lamps without keeping the entire wafer at the high temperature.
ChemInform Abstract: Preparation and Properties of Some New 6‐Heteropoly ‐ Tellurate Compounds of Tungsten and Molybdenum Containing Vanadium.
Authors: SUN Y. , LIU J. , WANG E.
Published: May 2016

The novel heteropoly compounds (I)‐(IV) are prepared by crystallization from aqueous solutions and characterized by their thermal behaviour, IR, Raman, UV, and NMR spectra, XRD and their reaction with base.
ChemInform Abstract: Ni(II)‐Bearing Green Rust II (GR‐II) and Its Spontaneous Transformation into Ni(II)‐Bearing Ferrites.
Authors: TAMAURA Y.
Published: May 2016

Auniform crystalline precipitate of Ni(II)‐bearing GR‐II with definite chemical composition is synthesized by air oxidation (air/Nz = 1:1) of Fe(II), Ni(II), and S02′ containing aqueous solutions at pH 7.1 and 25°C. Its Ni content increases with increasing Ni concentration in the reaction solution.
ChemInform Abstract: Crown Ether‐Lanthanide Complexes Studied by CPL and TL. Part 2. Solution Species in (2R,3R,11R,12R)‐2,3,11,12‐Tetramethyl‐18‐crown‐6‐Europium Nitrate and Perchlorate Systems in MeCN, TFE, and HFiP.
Authors: METCALF D. H. , CARTER R. C. , GHIRARDELLI R. G. , PALMER R. A.
Published: May 2016

The solution behavior of Complexes of the crown ether (I) with europium(III) nitrate and perchlorate in the solvents acetonitrile, trifluoroethanol (TFE), and hexafluoroisopropyl alcohol (HFiP) has been investigated using circularly polarized luminescence and total luminescence spectroscopy, as well as conductivity measurements.
ChemInform Abstract: Interaction of Diethyldithiocarbamate with n‐Type Cadmium Sulfide and Cadmium Selenide: Efficient Photoelectrochemical Oxidation to the Disulfide and Flat‐Band Potential of the Semiconductor as a Function of Adsorbate Concentration.
Authors: THACKERAY J. W. , NATAN M. J. , NG P. , WRIGHTON M. S.
Published: May 2016

Quantitative results are given, showing that the dithiocarbamates (I)‐(III) interact strong‐ ly with CdX (X: S, Se) electrode surfaces in CH3CN/ 0.2 NaClO4 solution.
ChemInform Abstract: Electrolytic Reduction of 1‐Methylsulfinyl‐1‐methylthio‐1‐alkenes at Mercury Electrode in Nonaqueous Media.
Authors: KUNUGI A. , ABE K. , HAGI T. , HIRAI T.
Published: May 2016

The arylalkenes (Ia) are reduced at a mercury pool electrode to give (IIa) in high yields.
ChemInform Abstract: Condensation Reactions Between Aromatic Aldehydes and Some Heterocyclic Aromatic Amines.
Authors: FORLANI L. , SINTONI M. , TODESCO P. E.
Published: May 2016

The 1,1‐diamino derivatives (IVb)‐(IVi) are obtained by the reaction of the aromatic aldehydes (I) with the amines(II).
ChemInform Abstract: Reissert Compound Studies. Part 54. Studies with Reissert Compounds.
Authors: UFF B. C. , BUDHRAM R. S. , GHAEM‐MAGHAMI G. , MALLARD A. S. , HARUTUNIAN V. , CALINGHEN S. , CHOUDHURY N. , KANT J. , POPP F. D.
Published: May 2016

Isoquinoline Reissert Compounds of typc (Ia), (Ib) and (V) react with the corresponding isothiocyanates (II) to give the tricyclics shown in the scheme.
ChemInform Abstract: Electrophilic Bromination of Micelle‐Associated Alkenes as a Probe of Micelle Structure.
Authors: LENNOX R. B. , MCCLELLAND R. A.
Published: May 2016

The products of the bromination of alkenes such as the fatty acids (I) are formed stereospecifically anti.
ChemInform Abstract: Zeolite‐Promoted Benzylation of Alcohols.
Authors: ONAKA M. , KAWAI M. , IZUMI Y.
Published: May 2016

The benzylation of alcohols such as (I) with various steric hindrances is carried out in nonpolar solvents in the presence of ion exchanged zeolites with different base strengths.
ChemInform Abstract: Synthesis and α‐D‐Glucosidase Inhibitory Activity of N‐Substituted Valiolamine Derivatives as Potential Oral Antidiabetic Agents.
Authors: HORII S. , FUKASE H. , MATSUO T. , KAMEDA Y. , ASANO N. , MATSUI K.
Published: May 2016

Ausgehend vom Valiolamin (I) bzw. Valienamin (IV) wird durch reduktive Alkylierung, Ringöffnung von Oxiranen wie (IX) sowie durch N‐Alkylierung eine Reihe von N‐substituierten Derivaten dieser Amine hergestellt.
ChemInform Abstract: Reactivity of (3‐Chloro‐2‐methylenecycloaIkyl)palladium Chloride Dimers: Nucleophilic Attack by One or Two Equivalents of Malonate Anion.
Authors: DONALDSON W. A. , GRIEF V. J.
Published: May 2016

Die Palladiumverbindung (Ia) tritt als Dikation‐Reagens (Ib) auf und reagiert mit den Natrium‐malonsäureestern (II) in Gegenwart von P‐Liganden (III) über diskutierte Zwischenstufen zu den Addukten (IV) bzw. (V).
ChemInform Abstract: Stereospecific Synthesis of Optically Active 2‐Phenylsulfonyl‐3‐(1‐hydroxyethyl)‐4‐azetidinone: A Precursor of Thienamycin‐Type Carbapenems.
Authors: SHIOZAKI M. , HIRAOKA T. , YANAGISAWA H. , MARUYAMA H. , KISHI N. , ODA O.
Published: May 2016

Die im Titel genannte Verbindung (XI) wird, ausgehend von (2S,3R)‐2‐Brom‐3‐hydroxybuttersäure (I), nach der im Formelschema angegebenen Reaktionssequenz hergestellt.
ChemInform Abstract: General Method for an Aldol‐Type Reaction of 2‐Methylbenzothiazole with Carbonyl Compounds.
Authors: CHIKASHITA H. , IKEGAMI S. , OKUMURA T. , ITOH K.
Published: May 2016

2‐Methyl‐benzothiazol (Ia) wird nach Metallierung an die Carbonylverbindungen (II) zu den Carbinolen (III) addiert.
ChemInform Abstract: C‐Alkylation, Alkenylation, and Arylation of 1,2,5‐Thiadiazoles.
Authors: DE MUNNO A. , BERTINI V. , PICCI N.
Published: May 2016

Die im Titel genannten Verbindungen (I) werden nach einer neuartigen Alkylierungsmethode durch Reaktion mit den Grignard‐Verbindungen (II) und nachfolgend mit Schwefeldichlorid in die substituierten Thiadiazole (III) übergeführt.
ChemInform Abstract: Synthesis and Properties of Some S‐Derivatives of 1‐Benzyl‐ and 1‐(2‐Pyridylmethyl)‐5‐substituted 2‐Mercaptoimidazoles.
Authors: BOSSIO R. , MARCACCINI S. , PEPINO R.
Published: May 2016

Die aus (I) erhältlichen Imidazolylthioessigsäuren (IIIa)‐(IIIc) werden durch Erhitzen mit Acetanhydrid in die Thiolester (IV) übergeführt.
ChemInform Abstract: A Facile Synthesis of Polyfunctionally Substituted Pyridines from Ethoxycarbonylmalonaldehyde.
Authors: TORII S. , INOKUCHI T. , KUBOTA M.
Published: May 2016

Die Umsetzung von Ethoxycarbonylmalonaldehyd (II) mit Tosylchlorid und nachfolgend mit den β‐Amino‐ungesättigten Carbonylverbindungen (IIIa) bis (IIId) bzw. dem Nitril (IIIe) führt zu den 3‐Ethoxycarbonylpyridin‐ Derivaten (IV).
ChemInform Abstract: A Novel Class of Conformationally Restricted Heterocyclic Muscarinic Agonists.
Authors: SAUERBERG P. , LARSEN J.‐J. , FALCH E. , KROGSGAARD‐LARSEN P.
Published: May 2016

Alkylierung der Tetrahydroisoxazolopyridine (I) liefert trennbare Gemische der O‐ (II) und N‐Alkylierungsprodukte (III).
ChemInform Abstract: Phosphorus Pentoxide in Organic Synthesis. Part 26. Preparation and Alkylation of Furo[2,3‐d]pyrimidin‐4‐amines.
Authors: JOHANNSEN F. , JOERGENSEN A. , EL‐BAYOUKI K. A. M. , PEDERSEN E. B.
Published: May 2016

The reagent obtained by heating aryl amines (III) with P2O5 and Et3N reacts with (II) to provide the title system (IV) in a one‐pot procedure; the starting compound (II) can be employed directly or it can be generated from (I) by cyclization at 220°C. In the analogous preparation of (VIII) from the sec. amines (VII), reasonable results are obtained only with the bicyclic substrate (IIa).
ChemInform Abstract: One‐Step Synthesis of N,N′‐Methylene‐2,2′‐azapyridocyanines.
Authors: MUNAVALLI S. , POZIOMEK E. J.
Published: May 2016

Die Umsetzung der 2‐Aminopyridine (I) mit Diiodmethan (II) führt nur im Falle von (Ia) und (Ib) zu den im Titel genannten Verbindungen (III).
ChemInform Abstract: (Et4N)2B10H10 and (Et4N)2B12H12: Preparation from Et4NBH4, Separation and Purification.
Authors: MONGEOT H. , BONNETOT B. , ATCHEKZAI J. , COLOMBIER M. , VIGOT‐VIEILLARD C.
Published: May 2016

The title Compounds have been obtained by pyrolysis of (NEt4)BH4 in a refluxing mixture of decane/dodecane or without a solvent by heating the solid under reduced pressure at 100°C for some hours.
ChemInform Abstract: Synthesis of Alkyl(4,4‐dichloro‐2‐methyl‐1,3‐butadienyloxy)silanes.
Authors: SHCHEPIN V. V. , RUSSKIKH N. YU. , LAPKIN I. I.
Published: May 2016

Der durch Kondensation von Chloral mit Propionaldehyd zugängliche ungesättigte Aldehyd (I) reagiert mit den Trialkylchlorsilanen (II) oder Dialkyldichlorsilanen (IV) in Gegenwart von Zink unter Bildung von Z/E‐Gemischen der Silyloxybutadiene (III) und (V).
ChemInform Abstract: Stereochemistry of the Base Cleavage of (Dibromomethyl)naphthylphenylmethylsilane.
Authors: STANCZYK W.
Published: May 2016

On reaction with solid KOH or alcohols in the presence of their Kalkoxides, the removal of α‐dibromomethyl group from Si in the optically acitve title compound (+)‐(II) proceeds with inversion of configuration at Si.
ChemInform Abstract: The Reaction of Phosphorus Trichloride with Thioformaldehyde.
Authors: GOLOVANOV A. V. , MASLENNIKOV I. G. , KORNILOVA T. V. , KIRICHENKO L. N. , LAVRENT'EV A. N.
Published: May 2016

Phosphortrichlorid (I) reagiert mit Thioformaldehyd (II) zu Chlormethanthiophosphonsäuredichlorid (III).
ChemInform Abstract: Nitrosation of Diethoxyphosphonylacetic Acid Chloride.
Authors: KASHEMIROV B. A. , MIKITYUK A. D. , STREPIKHEEV YU. A. , KHOKHLOV P. S.
Published: May 2016

Das Phosphonylacetyl‐ Chlorid (I) reagiert mit Nitrosylchlorid und anschließend mit den Alkoholen (II) zu den Phosphonyl‐oximino‐essigsäureestern (III).
ChemInform Abstract: Synthesis and Spectroscopic Characterization of Dithiocarbamate Derivatives of Methyl‐, Dimethyl‐, and Trimethylgermane and Crystal Structure of Dimethylbis(N,N‐dimethyldithiocarbamato)germanium.
Authors: CHADHA R. K. , DRAKE J. E. , SARKAR A. B.
Published: May 2016

By the reaction of sodium N,N‐dimethyldithiocarbamate with the appropriate chloromethylgermane in CS2 as solvent under water‐free conditions the air‐ and moisture‐sensitive Compounds (I) and (II) are prepared.
ChemInform Abstract: Efficient Synthesis of C‐(Trihalogenogermyl)carbonic Acids and Their Derivatives.
Authors: MIRONOV V. F. , FEOKTISTOV A. E. , VIKTOROV N. A.
Published: May 2016

Die ogß‐ungesättigten Carbonylverbindungen (I) reagieren mit den Tetrahalogengermanen (II) und Tetramethyldisiloxan (III) zu den Trihaloger1nylcarbonsäurederivaten (IV).
ChemInform Abstract: Synthesis and Characterization of Bis(neopentyl)tetrakis(acetato)dimolybdenum.
Authors: CHISHOLM M. H. , HUFFMAN J. C. , VAN DER SLUYS W.
Published: May 2016

Reaction between the tetraamide (I) and acetic anhydride yields the title complex (II) which is thermally stable.
ChemInform Abstract: Induced Redox Reactions Between Molybdenum Dialkyldithiocarbamates and Chloroform, and X‐Ray Crystal Structure of (Mo((C2H5)2NCS2)4)(Cl·H2O)·xCHC3 (x: 0.88).
Authors: JASIM K. S. , CHIEH C. , MAK T. C. W.
Published: May 2016

Air oxidation of (I) in a CHCl3 solution resulted in the formation of the complex (II) and the title compound (III), whereas under the same conditions (IV) led only to one Mo compound, (III).
ChemInform Abstract: Catecholato Complexes of o‐Phenylenebis(salicylideneiminato)iron(III) and meso‐ Tetra(parasulphonatephenyl)porphyrinatoferrate(III). A Comment on the Structure of the Active Site in Catechol‐1,2‐dioxygenase.
Authors: LLORET F. , MOLLAR M. , MORATAL J. , FAUS J.
Published: May 2016

The formation equilibrium of the μ‐oxo dimer (II) in solutions of (I) was studied.
ChemInform Abstract: Amino Acids. Part 6. Synthesis of L‐Saccharopine.
Authors: BURKARD U. , WALTHER I. , EFFENBERGER F.
Published: May 2016

According to a previously described procedure ("triflate method"), the optically pure hydroxyglutarate (Ia) is converted to (Ib), coupled with the lysine derivative (II), and subjected to acidic hydrolysis to provide enantiomerically pure D‐allosaccharopine (IVa).
ChemInform Abstract: Synthetic Studies on Tabtoxin. Synthesis of a Naturally Occurring Inhibitor of Glutamine Synthetase, Tabtoxinine‐β‐lactam, and Analogues.
Authors: BALDWIN J. E. , OTSUKA M. , WALLACE P. M.
Published: May 2016

Anovel esterification procedure (B) is developed to enable differentiation in the benzylation of the two carboxyl groups in the diacid (IIa) [‐ (IIb) or (IIc)] which is prepared from the acetate (Ib) of the known compound (Ia).
ChemInform Abstract: Chemistry of Ginkgolides. Part 1. 10‐Acetyl‐1‐methoxycarbonyl‐2,3,14,15,16‐pentanorginkgolide A, an Intermediate for the Synthesis of Bilobalide.
Authors: WEINGES K. , HEPP M. , HUBER‐PATZ U. , RODEWALD H. , IRNGARTINGER H.
Published: May 2016

The title compound (Vb), an intermediate in the intended partial synthesis of bilobalide (VI), is obtained by degradation of ginkgolide A (Ia) [starting compound is a5 z2‐mixture of (Ia) and ginkgolide B (Ib)] and the subsequent reactions shown in the scheme.
ChemInform Abstract: Synthesis of Oudemansins A and B.
Authors: KALLMERTEN J. , WITTMANN M. D.
Published: May 2016

Aus dem ungesättigten Ester (I) erhält man den Methylester (II), der mit den Lithiumverbindungen (III) über die Phosphinoxide (IV) mit Lithiumboranat sterisch einheitlich zu den Dienen (V) führt.
ChemInform Abstract: Enantiospecific Total Synthesis and Absolute Configuratioaal Assignment of (‐ )‐Punctatin A (Antibiotic M95464).
Authors: PAQUETTE L. A. , SUGIMURA T.
Published: May 2016

The synthesis of the title compound (VIIIb) is performed Starting from the known ketone (Ia) via the intermediates shown in the scheme (in part no yields given).
ChemInform Abstract: Synthesis and Some Properties of Epitaxial Layers of Bi25FeO40.
Authors: LEONOV E. I. , ORLOV V. M. , KHABAROV S. E. , PETRIKOV V. D. , SHCHERBAKOV A. G. , MUMINOV I. , KHOKHA L. G.
Published: May 2016

Single crystal films of Bi25FeO40 are obtained by liquid‐phase epitaxy.
ChemInform Abstract: A New Phenomenon in Barium ‐ Lead Titanate Ceramics with Positive Temperature Coefficients of Resistivity.
Authors: KUWABARA M. , NAGATA H.
Published: May 2016

The investigation of the reliability of the positive temp. coefficients ofresistivity (PTCR) characteristics in high‐Curie‐point Ba ‐ Pbtitanate (e.g., Ba0‐2Ti0,8TiO3) materials has shown another resistivity anomaly just below the Curie point (z 420°C), besides the usual PTCR anomaly.
ChemInform Abstract: Characterization of NiCo2O4 Electrodes for O2 Evolution. Part 3.
Authors: HAENEN J. , VISSCHER W. , BARENDRECHT E.
Published: May 2016

The cyclic voltammetric behaviour of a freshly prepared NiCo2O4 electrode differs remarkably from that of an aged one.
ChemInform Abstract: Characterization of the Surface Acid‐Base Properties of Metal Oxides by Titration/ Displacement Reactions.
Authors: SPITZ R. N. , BARTON J. E. , BARTEAU M. A. , STALEY R. H. , SLEIGHT A. W.
Published: May 2016

The relative acidities of a series of Brönsted acids (MeSH, PhSH, MeOH, EtOH, PhOH, HCOOH, MeCOOH, HCN, HCCH, PhCCH) have been determined by titration/displacement reactions on powdered samples of ZnO and MgO.
ChemInform Abstract: Visible‐Light Production of Molecular Hydrogen by Sensitization of a Cobalt Dihydride Complex.
Authors: BREWER K. J. , MURPHY W. R. JUN. , MOORE K. J. , EBERLE E. C. , PETERSEN J. D.
Published: May 2016

Direct irradiation of a methanolic Co(bpy)(PEt2Ph)2H2+ (bpy: 2,2′‐bipyridine) solution at 436 nm results in H2 production, the quantum yield being z 0.1 mol/einstein.
ChemInform Abstract: Preparation of Dicalcium Silicate at 950 ° C.
Authors: KRALJ D. , MATKOVIC B. , TROJKO R. , YOUNG J. F. , CHAN C. J.
Published: May 2016

β‐Ca2SiO4 can be obtained from a mixture of CaC2O4‐ H2O, which is more reactive than CaCO3, and amorphous silica by firing in a Pt crucible at 950°C under an atmosphere of CO2 or air.
ChemInform Abstract: Calorimetric Research on the Electrolyte ‐ Crown Ether ‐ Methanol System at 298.15 K.
Authors: PIEKARSKI H. , TANIEWSKA‐OSINSKA S. , BIERNAT J. F.
Published: May 2016

The enthalpy of a solution of (I) in methanol and in methanolic solutions of NaCl, NaI and NaBPh4 at several salt concentrations is measured.
ChemInform Abstract: Electrochemical Studies of Dimeric Niobium(V) Porphyrins. Reactions of [(OEP)Nb]2O3 and [(TpTP)Nb]2O3 in Nonaqueous Media.
Authors: ANDERSON J. E. , LIU Y. H. , GUILARD R. , BARBE J.‐M. , KADISH K. M.
Published: May 2016

The title complexes (HZOEP: octaethylporphyrin; HZTpTP: tetra‐p‐tolylporphyrin) are investigated in THF, CH2Cl2, PrCN, PhCN and Py.
ChemInform Abstract: On the Stereochemical Course of Vinyloxyborane‐Imine Condensation.
Authors: IIMORI T. , ISHIDA Y. , SHIBASAKI M.
Published: May 2016

Aus den Vinyloxyboranen (II) erhält man mit dem Imin (Ia) sterisch einheitlichdie β‐Aminosäuren (III), die in Gegenwart von Triphenylphosphin und 2,2′‐Dipyridyldisulfid zu den β‐Lactamen (IV) cyclisiert werden.
ChemInform Abstract: Benzazoline‐2‐thiones in Michael Reaction. Part 2. Base Catalyzed Reaction of Benzothiazoline‐ and Benzoxazoline‐2‐thiones with Acrylonitrile, Acrylamide and Methacrylate.
Authors: ANAN'EVA K. V. , ROZHKOVA N. K.
Published: May 2016

Benzothiazolinthion (Ia) bzw. Benzoxazolinthion (Ib) reagieren mit den aktivierten Doppelbindungen in Acrylnitril, Acrylamid oder Methylacrylat (II) in Gegenwart von Triethylamin oder Natriummethylat unter Bildung der S‐ und/ oder N‐substituierten Derivate ( II) bzw. (IV).
ChemInform Abstract: Use of Polymeric Phosphine‐Halogen Complexes in the Conversion of Epoxides to Halohydrins.
Authors: CAPUTO R. , FERRERI C. , NOVIELLO S. , PALUMBO G.
Published: May 2016

In Gegenwart der polymeren Phosphin‐Halogen‐Komplexe (II) wird das Epoxid (I) in die Halohydrine (III) übergeführt.
ChemInform Abstract: The Synthesis of Mannich Bases from Ketones and Esters via Enaminones.
Authors: SCHUDA P. F. , EBNER C. B. , MORGAN T. M.
Published: May 2016

Mit den Dimethylformamid‐Derivaten (II) reagieren die Carbonylverbindungen (I) zu den Enaminen (III), die mit Lithiumalanat zu den Mannich‐ Basen (IV) reduziert werden.
ChemInform Abstract: 6‐ vs 7‐Ring Selectivity During Acetal Formation.
Authors: BREWSTER A. G. , LEACH A.
Published: May 2016

Aus dem Triol (III) erhält man mit 1,1‐Diethoxyethan (II) ein Gemisch der Sechsring‐acetale (I), während mit 2,2‐Dimethoxy‐propan (IV) gleiche Anteile an den isomeren 6‐ und 7‐Ring‐Acetalen (V) und (VI) gebildet werden.
ChemInform Abstract: Reaction of Aliphatic Dicarboxylic Acids with Acyl Chlorides in the Presence of Aluminum Chloride.
Authors: MATOBA K. , TACHI M. , ITOOKA T. , YAMAZAKI T.
Published: May 2016

Bernsteinsäure (I) reagiert mit den Säurechloriden (II) unter Friedel‐ Crafts‐Bedingungen zu den Iß‐Cyclopentandionen (III).
ChemInform Abstract: Lewis Acid Catalyzed Rearrangement of Vinylcyclopropanecarbonyl Chloride to Cyclopentenecarbonyl Chloride.
Authors: SAKITO Y. , SUZUKAMO G.
Published: May 2016

Die 2‐(2‐Arylvinyl)‐cyclopropancarbonsäurechloride (I) lagern sich bei der Behandlung mit Bortribromid zu cis/trans‐Gemischen der 3‐Aryl‐cyclopenten‐4‐carbonsäurechloride um, die in Form ihrer Methylester (II) charakterisiert werden.
ChemInform Abstract: Photocatalyzed Transformation of Cyanide to Thiocyanate by Rhodium‐Loaded Cadmium Sulfide in Alkaline Aqueous Sulfide Media.
Authors: BORGARELLO E. , TERZIAN R. , SERPONE N. , PELIZZETTI E. , BARBENI M.
Published: May 2016

Aprocess i‐s described that totally disposes of CN" by photocatalytic transformation to SCN′, a 100‐fold less toxic derivative of cyanide.
ChemInform Abstract: Monosubstituted Azamines. Generation and Trapping Reactions.
Authors: CARPINO L. A. , PADYKULA R. E.
Published: May 2016

Die Thermolyse der Acylamino‐azabenzonorbornadiene (I) führt zu den Azaminen (Aminonitrenen) (III), die direkt zu den Hydraziden (IV) weiterreagieren; (I I Ib) bildet dabei zusätzlich das Hydrazid (V).
ChemInform Abstract: Synthesis of 3‐Aroyl‐1‐ethoxycarbonylmethyl‐2‐methylisothioureas and 2‐Aroylimino‐4‐ethoxycarbonyl‐hexahydropyrimidin‐5‐ones.
Authors: FUKADA N. , TAKAHASHI Y. , HAYASHI M.
Published: May 2016

Aus den lminokohlensäuredithioestem (I) und Glycin‐ethylester?l) werden die Isothioharnstoffe (III) bzw. die Pyrimidin‐Derivate (IV) hergestellt.
ChemInform Abstract: A Mild, Convenient Preparation of N,N‐Disubstituted Thioformamides from Secondary Amines.
Authors: MILLS J. E.
Published: May 2016

Durch Umaminierung von Dimethylthioformamid (I) mit sekundä‐ ren Aminen (II) sind weitere Thioformamide (‐III) zugänglich.
ChemInform Abstract: Direct 4‐Alkylation of 1,3‐Cyclohexanediones via Dianionic Species.
Authors: BERRY N. M. , DAREY M. C. P. , HARWOOD L. M.
Published: May 2016

Die Dianionen (II) der Cyclohexandione (I) werden in 4‐Stellung alkyliert.
ChemInform Abstract: Reaction of Vinylogous Hemiacetals with β‐Heterosubstituted Enol Ethers: Novel Synthesis and Cyclization of α‐Heterosubstituted δ‐Dicarbonyl Compounds.
Authors: POIRIER J.‐M. , HENNEQUIN L. , FOMANI M.
Published: May 2016

The Vinylogoushemiacetals (I) react with a series of silyl enol ethers such as (II), (IV), (VI), (XI), (XIV) and (XVII) to give the products shown in the scheme.
ChemInform Abstract: Acylations of α,β‐Unsaturated Ketones Catalyzed by Sulfonic Acids.
Authors: GRAINDORGE H. , ROUSSEL C.
Published: May 2016

Acylation reactions between the ketones (I) and the anhydrides (II) in the presence of sulfonic acids lead mainly to the formation of pyrylium salts which are isolated as pyridines after treatment with ammonia.
ChemInform Abstract: Two‐Directional Cascade Molecules: Synthesis and Characterization of [9]‐n‐[9] Arborols.
Authors: NEWKOME G. R. , BAKER G. R. , SAUNDERS M. J. , RUSSO P. S. , GUPTA V. K. , YAO Z. , MILLER J. E. , BOUILLION K.
Published: May 2016

Ausgehend von den Dibrom‐ und Dimesyloxy‐alkanen (I) erhält man über die Hexacarbonsäurehexaethylester (III) durch Kondensation mit dem Aminotriol (IV).
ChemInform Abstract: Syntheses and Properties of Hepta‐ and Dibenzopentafulvalene Derivatives Containing 13‐, 15‐, 17‐, and 19‐Membered Rings.
Authors: ASAO T. , MORITA N. , OJIMA J. , FUJIYOSHI M. , WADA K. , HAMAI S.
Published: May 2016

Reaction of the bisdehydroannulenone (I) with tropylidene‐ or 9‐fluorenylidenemethanone ‐ generated from the acid chlorides (II) or (III) ‐ yields the fulvalenes (IV).
ChemInform Abstract: Synthesis of N‐Aryl‐substituted 2‐Aminoalkyl Ketones and 1,3‐Alkanediamines.
Authors: BARLUENGA J. , CUERVO H. , OLANO B. , FUSTERO S. , GOTOR V.
Published: May 2016

Aus den N‐monosubstituierten 4‐Amino‐1‐azabutadienen (I) und den Ketiminen (II) erhält man die N,N′‐disubstituierten Aminoazadiene (III).′ Während die Reduktion mit Lithiumaluminiumhydrid zu den 2‐Aminoalkylketonen (IV) führt, liefert die Reduktion mit Natrium/ Isopropanol die 1,3‐Diaminoalkene (V) als threo/ erythro‐Gemische.
ChemInform Abstract: Synthesis of 2‐Alkyl‐1,4‐naphthoquinones via an ortho‐Directive Metalation.
Authors: KAMIKAWA T. , KUBO I.
Published: May 2016

Der dirigierende Einfluß der Methoxymethylether‐Gruppe auf die Metallierung von (II) wird zur Synthese der 2‐Alkyl‐1,4‐naphthochinone (VI) ausgenutzt.
ChemInform Abstract: Practical Synthesis of 1,1′‐Binaphthyl‐2‐carboxylic Acids via Side Chain Oxidation of 2‐Methyl‐1,l′‐binaphthyls.
Authors: MIYANO S. , OKADA S. , SUZUKI T. , HANDA S. , HASHIMOTO H.
Published: May 2016

The ultrasound‐promoted conversion of the bromonaphthalene (Ib) to the Grignard reagent and the subsequent coupling reaction" with aryl bromides (I) according to a literature procedure yields the binaphthyl derivatives (II).
ChemInform Abstract: Synthesis of 29,29,30,30‐Tetracyanobianthraquinodimethane.
Authors: YAMAGUCHI S. , HANAFUSA T. , TANAKA T. , SAWADA M. , KONDO K. , IRIE M. , TATEMITSU H. , SAKATA Y. , MISUMI S.
Published: May 2016

Bianthron (Ia) liefert mit Malodinitril (II) 29,29,30,30‐Tetracyano‐bianthrachinodimethan (Ib), dessen Molekülstruktur untersucht wird und das als Komplexbildner in der Herstellung von Charge‐Transfer‐Komplexen eingesetzt werden soll.
ChemInform Abstract: α,β‐Epoxy Sulfides as Useful Intermediates in Organic Synthesis. Part 6. A Novel Synthesis of Epoxides and Allylic Alcohols from Carbonyl Compounds through α,β‐Epoxy Sulfoxides.
Authors: SATOH T. , KANEKO Y. , YAMAKAWA K.
Published: May 2016

Aus den Carbonylverbindungen (II) entstehen mit den α‐Chlorsulfoxiden (I) die Epoxysulfoxide (III), die mit einem Äquivalent Butyllithium zu den Epoxiden (IV) "gespalten werden.
ChemInform Abstract: Imidazole Synthesis on a Solid Support.
Authors: RANGANATHAN D. , RATHI R.
Published: May 2016

An einem Chlor‐methylierten Styr0l‐Divinylbenzol‐Copolymeren erhält man nach Umsetzung mit 6‐Chlorpurin (II) die polymere Zwischenstufe (III), die über (V) durch Reaktion mit Benzylamin (VI) zu (VII) führt, aus dem das Imidazol (VIII) neben (IX) erhalten wird.
ChemInform Abstract: Diastereoselective Nucleophilic Addition to Chiral Open‐Chain α‐Ketoacetals: Synthesis of (R)‐ and (S)‐mevalolactone.
Authors: TAMURA Y. , KO T. , KONDO H. , ANNOURA H. , FUJI M. , TAKEUCHI R. , FUJIOKA H.
Published: May 2016

Aus den Acetalen (I) erhält man mit dem (‐)‐(2S,3S)‐Butandiol (II) durch Umacetalisierung die cyclisuchen Acetale (III), die nach Oxidation zu den Carbonylverbindungen (IV) mit den Organo‐Meta11verbindungen (V) zu den Addukten (VI) und (VII) führen.
ChemInform Abstract: Organic Sulfur Compounds. Part 12. Thermal Solid‐State Reactions and Mechanochemical Effects of 1‐Methyl‐4‐oxo‐cis‐2,6‐diphenylthianium Tetrafluoroborate with Alkali Halides.
Authors: TOKUNO K. , ASAO Y. , MIYOSHI F. , SAWADA Y. , OHASHI T.
Published: May 2016

Erhitzen der Thianiumtetrafluoroborate (I) mit Alkalimetallhalogeniden führt in einer Festkörperreaktion zu den Verbindungen (II)‐(V), die z.Tl. als Gemisch anfallen.
ChemInform Abstract: Quinazoline Antifolates Inhibiting Thymidylate Synthase: Variation of the Amino Acid.
Authors: JONES T. R. , SMITHERS M. J. , BETTERIDGE R. F. , TAYLOR M. A. , JACKMAN A. L. , CALVERT A. H. , DAVIES L. C. , HARRAP K. R.
Published: May 2016

Die neuen Ana1oga(IIIa)‐(IIId) sowie (VIIIa)‐(VIIIc) der N‐Propargy1‐ 5,8‐didesazafolsäure (VIIId) werden nach den im Formelschema angegebenen Methoden synthetisiert und als Inhibitoren der L 1210‐Thymidylat‐Synthase (TS) sowie als Hemmstoffe des Wachstums von L 1210‐Zellen geprüft.
ChemInform Abstract: Studies of Reactions of 1,3,5‐Trimethylbiuret and 1,3‐Dimethylurea with Chloroform.
Authors: D'SILVA T. D. J. , LOPES A.
Published: May 2016

Trimethylbi?ret (I) und Iß‐Dimethylharnstoff(VI) reagieren in Gegenwart von Chloroform zu Triazinderivaten (II)‐(IV) sowie zu Dichlormethan (V).
ChemInform Abstract: Isolation and Conformation of a Fully Unsaturated Nitrogen Analogue of 18‐Crown‐ 6.
Authors: BELL T. W. , GUZZO F.
Published: May 2016

o‐Phenylendiamin (1) und Pyridin‐2,6‐dialdehyd (II) cyclisieren in Gegenwart von Sr(II)‐Salz zum Sr‐Komplex (IIIa), der in den K‐Komplex (IIIb) umgewandelt wird.
ChemInform Abstract: The Sulphone Group as a Nucleophile: Intramolecular Formation of a Novel Thiadecanylium Tribromide via Addition of Bromine to a Double Bond in an Overcrowded En‐ vironment.
Authors: CADOGAN J. I. G. , CAMERON D. K. , GOSNEY I. , HIGHCOCK R. M. , NEWLANDS S. F.
Published: May 2016

Im Gegensatz zur normalen Brom‐Addition an das cyclische Sulfon (III) unter Bildung des 1,2‐Dibromids (IV) entsteht aus dem isomeren Sulfon (I) unter Cyclisierung der Brom‐S,O‐Heterocyclus (II).
ChemInform Abstract: Synthesis and Angiotensin Converting Enzyme Inhibitory Activity of 1,5‐Benzothiazepine and 1,5‐Benzoxazepine Derivatives.
Authors: ITOH K. , KORI M. , INADA Y. , NISHIKAWA K. , KAWAMATSU Y. , SUGIHARA H.
Published: May 2016

N‐Alkylierung des (R)‐3‐ Aminobenzothiazepinons (Ia) bzw. des (S)‐3‐Aminobenzoxazepinons (Ib) mit den 00‐Phthalimidoyl‐oL‐brom‐carbonsäureestern (II) liefert Gemische der chromatographisch trennbaren diastereomeren Dicarbonsäureester (III), aus denen gemäß Schema die Mono‐ (V) (R′: ‐Et) und Dicarbonsäuren (V) (R′: ‐H) hergestellt werden.
ChemInform Abstract: A Convenient Synthesis of Aminomethylphosphonic Acid.
Authors: PULWER M. J. , BALTHAZOR T. M.
Published: May 2016

Die im Titel genannte Verbindung (III) wird in guten Ausbeuten durch Erwärmen des Benzamids (I) mit Phosphortrichlorid und Trimethylphosphit und nachfolgende saure Hydrolyse des Phosphonats (II) erhalten.