bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Boron Trifluoride Etherate as an Effective Reagent for the Stereoselective One‐Pot Conversion of Acetylated 2‐Trimethylsilylethyl Glycosides into Sugar 1,2‐trans‐Acetates.
Authors: JANSSON K. , FREJD T. , KIHLBERG J. , MAGNUSSON G.
Published: May 2016

Aus dem Trimethylsilylethyl‐glykosid (I) erhält man mit Bortrifluorid‐ Etherat über das Difluoroborat (I I21) die Glykoside (I Ib) bzw. (I Ic).
ChemInform Abstract: A Novel, Efficient Synthesis of (±)‐erythro‐Sphingosine.
Authors: CARDILLO G. , ORENA M. , SANDRI S. , TOMASINI C.
Published: May 2016

Starting from the alcoho1 (I), the title compound (V) is synthesized as indicated in the scheme.
ChemInform Abstract: A Highly Convergent Strategy for the Synthesis of 4‐Demethoxydaunomycinone and Daunomycinone: A Novel Synthesis of C4‐Acetoxylated Homophthalic Anhydrides.
Authors: TAMURA Y. , SASHO M. , AKAI S. , KISHIMOTO H. , SEKIHACHI J. , KITA Y.
Published: May 2016

Aus dem Homophthalsäureester (Ia) erhält man über das Ketenacetal (II) mit Persäure den Diester (III) und weiter die PhthaIid‐carbonsäure (IV).
ChemInform Abstract: Electrochemical and Thermodynamic Studies on the Copper‐Silver‐Selenium System.
Authors: MOSTAFA S. N. , SELIM S. R.
Published: May 2016

Point defect concentrations, effective mass of electrons and holes, width of the band gap and the partial molar thermodynamic quantities of dissolution of one mol of Ag in the mixed selenide are determined as a function of the metal/selenium ratio (ö) by coulometric titrations in the temp. range 200‐350°C using the galvanic cell A. From the results it can be concluded that the majority defects are ionic and the disorder type in Ag,‐133Cu0‐8,‐2Se (I) is Frenkel disorder of the Ag+ ions.
ChemInform Abstract: Thermal Stabilities of the Crystalline and Amorphous TiyCuHx Systems.
Authors: FURLAN R. J. , BAMBAKIDIS G. , CANTRELL J. S. , BOWMAN R. C. JUN. , MAELAND A. J.
Published: May 2016

The irreversible exothermic transition of five different compositions of the crystalline and amorphous title system (y: l or 2; 0 x 2.71) are studied by DSC (300‐900 K) 4 and powder XRD methods.
ChemInform Abstract: SmS‐Ga2S3 System.
Authors: ALIYEVA O. A. , ALIYEV O. M.
Published: May 2016

On the basis of DTA and X‐ray phase analysis data and measurement of microhardness the phase diagram of the title system has been plotted for the first time.
ChemInform Abstract: Synthesis, Characterization, and Electronic Structure of Thiometallato Complexes of Cobalt of the Type [Co(TM)2]m‐ with Different Electron Populations.
Authors: MUELLER A. + , JOSTES R. , HELLMANN W. , ROEMER C. + , BOEGGE H. + , SCHIMANSKI U. , ZHUANG B. , ROSENHEIM L. D. , MCDONALD J. W. , NEWTON W. E.
Published: May 2016

The thiometallato complexes (III), (V), and (X) are prepared according to the scheme or by analogous methods in cases of [Et4N]3[Co(MO4‐"S")2 (M: W, n: 2, 3; M: Mo, n: 2).
ChemInform Abstract: Dissociative Electron Transfer. Homogeneous and Heterogeneous Reductive Cleavage of the Carbon
Authors: ANDRIEUX C. P. , GALLARDO I. , SAVEANT J.‐M. , SU K.‐B.
Published: May 2016

Halogen Bond in Simple Aliphatic Halides.
ChemInform Abstract: Stereochemistry of the Dehydration of 1,2‐Diphenylpropanols via Iodo Intermediates.
Authors: ROBINSON J. M. , DANIEL G. T. , HALE J. S.
Published: May 2016

Durch Einwirkung von Iodwasserstoffsäure auf das durch Kondensation von 1‐Chlorethylbenzol (I) mit Benzaldehyd erhaltene 1:1‐Gemisch aus threo‐ (II) und erythro‐1,2‐Diphenylpropanol (III) entsteht ausschließlich die threo‐Verbindung (IV).
ChemInform Abstract: Diastereoselectivity in Reactions of Organometallic Compounds with Tetrahydrofurfural and Its Geminal Diacetates in the Presence of HMPA.
Authors: AMOUROUX R. , EJJIYAR S. , CHASTRETTE M.
Published: May 2016

Tetrahydrofurfural (I) reagiert mit den Grignard‐Verbindungen (II) in Gegenwart von HMPA fast ausschließlich zu den erythro‐Addukten (III).
ChemInform Abstract: Kinetics and Mechanism of Nitrile Hydration Catalyzed by Unhindered Hydridobis(phosphine)platinum(II) Complexes.
Authors: JENSEN C. M. , TROGLER W. C.
Published: May 2016

The Pt complexes trans‐(I), generated from (III) or its ethyl analogue, are efficient catalysts for the conversion of nitriles into amides.
ChemInform Abstract: A New Facile and Convenient Synthesis of 2‐Oxo‐3‐alkenoic Acids and Esters.
Authors: HOJO M. , MASUDA R. , SANO H. , SAEGUSA M.
Published: May 2016

Die Umsetzung von aktivierten Alkenen (I) wie Ketendithioacetalen, Vinylsulfiden und N‐Vinylverbindungen mit Oxalylchlorid oder Ethoxyallylchlorid (II) in Gegenwart von Pyridin führt zu den 2‐Oxoalkensäure‐ Derivaten (III).
ChemInform Abstract: Nucleophilic Attack at the Central Carbon Atom of Cumulenes in the Cyclisation of ω,ω‐Allenediols.
Authors: CHILOT J. J. , DOUTHEAU A. , GORE J. , SAROLI A.
Published: May 2016

Der Alkinolether (I) wird mit Formaldehyd zu dem Diolether (II) hydroxyliert, aus dem über den Diencarbonsäureester (III) das Allendiol (IV) erhalten wird.
ChemInform Abstract: Benzene‐Sensitized Photoreduction of Bis(acetylacetonato)copper(II) Under Hydrogen.
Authors: CHOW Y. L. , BUONO‐CORE G. E. , MARCINIAK B. , LI H.
Published: May 2016

Under the conditions indicated in the scheme, Cu(acac)2 (I) is reduced to Cu(I)‐complexes, which after addition of phosphines can be isolated in the form of the compounds (II)‐(IV) [yield given only for (IIIa)].
ChemInform Abstract: Photoinduced Methanol‐Incorporated Cyclization of N‐(3‐Phenylallyl)arenedicarboximides.
Authors: KUBO Y. , ASAI N. , ARAKI T.
Published: May 2016

Die Photolyse des trans‐N‐3‐Phenylallyl‐naphthalin‐2,3‐dicarboximids (I) liefert die stereoisomeren Cyclisierungsprodukte (II) und (III), die zu (IV) bzw. (V) umgesetzt werden.
ChemInform Abstract: The Generation and Reactions of C,N‐Dianions of Aromatic Tosylhydrazones: o‐N‐ Dilithiated Benzophenone Tosylhydrazone.
Authors: SHARP J. T. , SKINNER C. E. D.
Published: May 2016

Das 2‐Brom‐benzophenon‐tosyl‐hydrazon (I) liefert stufenweise die Mono‐ (II) und die Di‐lithioverbindung (III).
ChemInform Abstract: Are Thiophenes Attacked at Sulphur by Nitrenes?
Authors: METH‐COHN O. , VAN VUUREN G.
Published: May 2016

Thiophen (I) reagiert mit dem Azidokoh1ensäureester(II) zu einem Gemisch der Fo1geprodukte(III) "‐ (VIII), deren Bildung mit dem intermediär aus Ethoxycarbonylnitren und (I) entstandenen Ylid (IX) erklärt wird.
ChemInform Abstract: Reaction of Organic Anions. Part 135. Reaction of Carbanion from Dimethyl N‐Ethoxycarbonylmethyliminodithiocarbonate with Benzaldehyde.
Authors: MAKOSZA M. , KALUZA Z. , WINIARSKI J.
Published: May 2016

Im Gegensatz zu früheren Untersuchungen führt die Umsetzung des Iminodithiocarbonates (I) mit Basen und aromatischen Aldehyden (III) über die Zwischenstufen (II) und (IV) zu den Acrylaten (V).
ChemInform Abstract: Reduction of Two Bulky Cyclohexanones by Lithiumsilanoxyaluminum Hydrides.
Authors: ARNAUD C. , DUPRE J.‐D. , INFARNET Y. , MAVELLE T. , HUET J.
Published: May 2016

The reduction of the cyclic ketones (I) and (II) with the hydrides (III) and (IV) is examined.
ChemInform Abstract: Competition in Intramolecular Arylation of Triphenylmethanols.
Authors: BOLTON R. , MGUNI R. S. , WILLIAMS G. H.
Published: May 2016

In order to remove many complicating contributions in studies of arylation mechanism, intramolecular Substitution of diazonium ions (I) is chosen.
ChemInform Abstract: The Use of ω‐Iodoazides as Primary Protected Electrophilic Reagents.
Authors: KHOUKHI M. , VAULTIER M. , CARRIE R.
Published: May 2016

Die w‐Chlor‐alkanole (I) werden in die (o‐Azido‐alkyliodide (II) übergeführt.
ChemInform Abstract: A New and Specific Method for the Protection of Phenols as the Corresponding tert‐ Butyl Ethers.
Authors: HOLCOMBE J. L. , LIVINGHOUSE T.
Published: May 2016

Die tert.‐Butylether (IV) werden unter milden Bedingungen und tiefen Temperaturen aus Isobutylen (II) und den Phenolen (I) in Gegenwart katalytischer Mengen Trifluormethansulfonsäure (III) erhalten.
ChemInform Abstract: N‐(Trimethylsilyl)methylphenylsulfoximine: A Convenient Intermediate for the Preparation of Functionalized Sulfoximines.
Authors: HWANG K.‐J.
Published: May 2016

Durch Lithiierung des N‐geschützten Sulfoximins (II) und nachfolgende Reaktion mit Elektrophilen sind die N‐silylierten Sulfoximine (III) zugänglich, die mit Cäsiumfluorid in Methanol zu den Ziel‐ Verbindungen (IV) desilyliert werden.
ChemInform Abstract: Convenient in situ Generation of an Active Titanium(III) Reagent for Stereoselective Pinacolization of Aromatic Aldehydes.
Authors: RAUBENHEIMER H. G. , SEEBACH D.
Published: May 2016

Aromatische Aldehyde (I) reagieren mit einem aus Butyllithium und Titantetrachlorid‐diethylether‐Addukt durch Disproportionierung vorgebildetem Titan(III)‐Katalysator zu Pinakolonen (II); analog wird (III) gebildet.
ChemInform Abstract: Cyclodehydration of N‐ and C‐Substituted β‐Amino Alcohols to the Corresponding Aziridines with Diethoxytriphenylphosphorane.
Authors: KELLY J. W. , ESKEW N. L. , EVANS S. A. JUN.
Published: May 2016

Die Cyclodehydratisierung der Aminoalkohole (I) in Gegenwart von Diethoxytriphenylphosphoran (II) liefert über diskutierte Zwischenstufen in guten Ausbeuten die Aziridine (III).
ChemInform Abstract: Merostabilization vs. Linnett Stabilization in the Control of Regioselectivity of Pyrrole Formation of [4 + 2] Cyclization.
Authors: LANGRIDGE D. C. , HIXSON S. S. , MCEWEN W. E.
Published: May 2016

Benzaldehydcyanhydrin (I) reagiert über das Nitril (III) mit den Säurechloriden (IV) zu den Benzaniliden (V), die zu den Oxazolium‐Salzen (VI) cyclisiert werden.
ChemInform Abstract: An Efficient, One‐Pot Synthesis of 3‐Methyl‐1,3‐thiazolidines.
Authors: ANDO W. , TAKATA T. , HUANG L. , TAMURA Y.
Published: May 2016

Aus der Umsetzung von Amino‐thiolen (I) mit Formaldehyd und Ameisensäure werden die cycli‐ schen N‐Methyl‐S,N‐acetale (II) gewonnen.
ChemInform Abstract: Synthesis of New Pyranocoumarins.
Authors: ZAWADOWSKI T. , MAZUR A. , KLEPS J.
Published: May 2016

The condensation of SJ‐dihydroxycoumarin (Ia) or its 4‐methyl analogue (Ib) with the dimethyl acetal (II) of 3‐hydroxyisovaleric aldehyde yields the isomeric benzodipyranones (III) and (IV) along with the 80 benzotripyranones (V) after chromatographic separation.
ChemInform Abstract: A Novel Annelation Reaction: Synthesis of 6H‐[1]Benzopyrano[4,3‐b]quinolines.
Authors: BHADURI N. , BHADURI A. P.
Published: May 2016

Die 2‐Chlor‐3‐brommethyl‐chinoline (I) liefern mit den Phenolen (II) die Chinolylmethyl‐arylether (III), die mit NaH zu den Benzopyranochinolinen (IV) cyclisie‐ ren.
ChemInform Abstract: Condensation of Aromatic Alkenes with Aldehydes Catalyzed by Ion Exchange Resins.
Authors: EL GHARBI R. , DELMAS M. , GASET A.
Published: May 2016

Nach Optimierung der Versuchsbedingungen lassen sich aus den aromatischen Alkenen (I) und Benzaldehyd (II) die Dioxane (III) in hoher Ausb. herstellen.
ChemInform Abstract: A Simple Synthesis of 5H‐[1]Benzopyrano[4,3‐d]pyrimidine Derivatives Having Oxo‐, Thioxo‐ and/or Imino Functions at Positions 4 and 5.
Authors: BRIEL D. , LEISTNER S. , WAGNER G.
Published: May 2016

Die Umsetzungen der Benzoxazin‐Derivate (I) und (IV) mit Ammoniumacetat, Schwefelwasserstoff oder wäßrigen Säuren führen zu Benzopyrano‐pyrimidin‐Derivaten.
ChemInform Abstract: Template Synthesis, Structure and Binding Properties of Macrocyclic S,O‐Lactones.
Authors: TOR Y. , LIBMAN J. , FROLOW F. , GOTTLIEB H. E. , LAZAR R. , SHANZER A.
Published: May 2016

Die Reaktion zwischen dem Stannoxathian (I) mit den Dicarbonsäurechloriden (II) liefert Mischungen der makrocyclischen Lactone (III)‐(VI).
ChemInform Abstract: Synthesis of Nitro‐trimethylsilyl‐acetylene.
Authors: SCHMITT R. J. , BEDFORD C. D.
Published: May 2016

Die Umsetzung von Bis‐trimethylsilyl‐acetylen (I) mit Nitronium‐tetrafluoroborat (II) führt in hoher Ausbeute zum Nitro‐trimethylsilyl‐acetylen (III), mit Nitrylfluorid dagegen erhält man nur geringe Mengen an (III) (10%).
ChemInform Abstract: Synthesis of Arsenic Containing Acetylenic Alcohols and Some of Their Properties.
Authors: PANFILOVICH Z. U. , IVANOVA N. R. , KUZ'MIN K. I. , LIPATOVA I. P.
Published: May 2016

Die aufeinanderfolgende Umsetzung von Bis‐ethinylarsinen (I) mit Ethylmagnesiumbromid und Aldehyden bzw. Ketonen führt zu verschiedenen primären, sekundären und tertiären Acetylenalkoholen (III).
ChemInform Abstract: Convenient Synthesis of Tris(tetraethylammonium) Hexacyanoferrat(III) and Its Use as an Oxidant with Tunable Redox Potential.
Authors: MASCHARAK P. K.
Published: May 2016

The title compound is synthesized (yield 90%) according to the equation K3Fe(CN)6 + 3 Et4NClO4 ‐+ (Et4N)3[Fe(CN)6] (I) + 3 KClO4 in methanol, in which solvent KClO4 is slowly separated on account its low solubility compared to (I).
ChemInform Abstract: Trifluoromethanesulphonic Acid as a Catalyst in the Acylation of Phosphaferrocenes.
Authors: ROBERTS R. M. G. , WELLS A. S.
Published: May 2016

The use of trifluoromethanesulphonic acid as an acid catalyst in Friedel‐Crafts acylation of the phosphaferrocenes (I) results in much improved yields of the acyl derivatives (II) whereas Lewis acid catalysts result in extensive decomposition.
ChemInform Abstract: Hydrolysis of Tris(1,10‐phenanthroline)iron(II) Complex in 1,4‐Dioxane‐Water Mixtures.
Authors: CAZANGA M. , SANTOS J. G. , IBANEZ F.
Published: May 2016

Thermodynamic and kinetic parameters have been obtained for the hydrolysis of the title complex in several 1,4‐dioxane‐water mixtures.
ChemInform Abstract: Pregeneration, Spectroscopic Detection, and Chemical Reactivity of (Trifluoromethyl)copper, an Elusive and Complex Species.
Authors: WIEMERS D. M. , BURTON D. J.
Published: May 2016

By the method shown in the scheme, the title compound (V) can be prepared in situ from readily available, cheap, commercial precursors.
ChemInform Abstract: A Pyrazole Derivative of Aminoethane as a Tridentate Chelating Ligand Towards Transition Metals.
Authors: VELDHUIS J. B. J. , DRIESSEN W. L. , REEDIJK J.
Published: May 2016

N,N‐Bis(pyrazo1‐1‐y1methyl)aminoethane, synthesized by a modified literature method, reacts with the appropriate metal salts in absolute EtOH in the presence of triethyl orthoformate to yield 1 :1 or 2:1 complexes depending on the ratio of reactants.
ChemInform Abstract: Copper(II) Complexes of Pyrrole‐Containing Schiff‐Base Macrocycles: Crystal and Molecular Structures of a Mononuclear Macrocyclic Complex, and of Pyrrole‐2,5‐dicarbaldehyde.
Authors: ADAMS H. , BAILEY N. A. , FENTON D. E. , MOSS S. , RODRIGUEZ DE BARBARIN C. O. , JONES G.
Published: May 2016

Die u‐Alkoxy‐Cu(II)‐Komplexe (II) von Pyrrol‐2,5‐dicarbaldehyd werden durch Umsetzung des Dialdehyds (I) mit Cu(II)‐acetat in Alkohol in Gegenwart von KOH‐Überschuß erhalten.
ChemInform Abstract: Synthesis of Mono‐, Di‐, and Tri‐nuclear Gold Complexes Containing the (Diphenylphosphino)methyldiphenylphosphoniomethanide Ligand.
Authors: USON R. , LAGUNA A. , LAGUNA M. , LAZARO I. , MORATA A. , JONES P. G. , SHELDRICK G. M.
Published: May 2016

The precursors (III) prepared as shown react with an excess of NaH by deprotonation of the methylene group and simultaneous elimination of ClO4 anion to give the neutral methanide Complexes (IV).
ChemInform Abstract: Pentamethylcyclopentadienylrhodaborane Chemistry. Part 1. High‐yield Planned Synthesis, Molecular Structure, and NMR Properties of the Ten‐vertex nido‐6‐Rhodadecaborane (η5‐C5Me5)RhB9H13.
Authors: FONTAINE X. L. R. , FOWKES H. , GREENWOOD N. N. , KENNEDY J. D. , THORNTON‐PETT M.
Published: May 2016

The dimeric complex (I) is potentially a high‐yield rhodaborane synthon, and reacts quantitatively with arachno‐[B9H,4]′ to give the title compound (II) as an air‐stable solid, which has been examined by X‐ray crystallography (space group Pbca with Z=16).
ChemInform Abstract: Interaction of Palladium(II) with Polydentate Ligands, Including the Synthesis and Structure of Bis[tris(pyrazol‐1‐yl)borato‐N,N′]palladium(II) and the Cations [Pd(L)2]2+ [L: tris(pyrazol‐1‐yl)methane‐N,N′ or tris(pyridin‐2‐yl)methane‐N,N′].
Authors: CANTY A. J. , MINCHIN N. J. , ENGELHARDT L. M. , SKELTON B. W. , WHITE A. H.
Published: May 2016

The title complexes (III), (Va) and (Vb) are prepared as shown.
ChemInform Abstract: Oxidative Dimerisation of Arylamido Complexes of Platinum: X‐Ray Structure of [Pt2(PEt3)4Cl2(N2C12H10)]PF6
Authors: O'SULLIVAN R. D. , PARKINS A. W. , ALCOCK N. W.
Published: May 2016

The phenyl groups of two molecules of the phenylamido complex (I) are oxidatively coupled in the para position by AgPF6 to give the dicationic complex (II) which can be deprotonated reversibly to yield the paramagnetic monocationic complex (III).
ChemInform Abstract: Synthesis, X‐Ray Crystal Structures and Spectroscopic Properties of Two Binuclear Platinum(III) Dithiocarboxylate Complexes.
Authors: BELLITTO C. , BONAMICO M. , DESSY G. , FARES V. , FLAMINI A.
Published: May 2016

The dithiocarboxylato‐bridged, metal‐metal bonded diplatinum(III) complexes (II) are synthesized from the corre‐ sponding Pt(II) dithiocarboxylato complexes (I) by oxidation with an excess of iodine.
ChemInform Abstract: Intramolecular Photocycloadditions‐Cyclobutane Fragmentation: Total Synthesis of (±)‐Pentalenene, (±)‐Pentalenic Acid, and (±)‐Deoxypentalenic Acid.
Authors: CRIMMINS M. T. , DELOACH J. A.
Published: May 2016

The organocopper reagent generated from (IV) reacts with (III) in a conjugate addition‐ ‐cycloacy1ation sequence to yield the cyclopentenone (V).
ChemInform Abstract: New Convergent Synthesis of Germacranolides with a trans‐Fused γ‐Lactone.
Authors: LANGE G. L. , LEE M.
Published: May 2016

Das cis‐Isomere (XI) des Germacranolids wird gemäß Formelschema synthetisiert.
ChemInform Abstract: Stereoselective Preparations of Ribofuranosyl Chlorides and Ribofuranosyl Acetates.
Authors: WILCOX C. S. , OTOSKI R. M.
Published: May 2016

Aus dem Lactol (I) entsteht die α‐Chlorverbindung (II), die beim Erwärmen zu der β‐Chlorverbindung (III) umlagert.
ChemInform Abstract: An Examination of π‐Facial Selectivity in the Diels‐Alder Reaction of a Chiral Diene.
Authors: KOZIKOWSKI A. P. , NIEDUZAK T. R. , SPRINGER J. P.
Published: May 2016

Aus L‐Threonin (I) entsteht das geschützte Derivat (II), das nach Reduktion der Estergruppe in eine Aldehydgrup‐ 143 pe nach Wittig zum ungesättigten Keton (III) kondensiert wird.
ChemInform Abstract: New Potential Immunoenhancing Compounds. Part 1. Syntheses of 1‐Amino‐1‐deoxyphosphatidylcholine Derivatives.
Authors: CANONICA L. , NALI M. , RINDONE B. , BOSONE E. , GUAZZI G. , INNOCENTI S. , VALCAVI U.
Published: May 2016

The analogues (XXII) of lysolecithi‐? are pre? pared in order to find products with immunomodulating properties.
ChemInform Abstract: Synthesis of the Propionates of (2R, 8R)‐ and (2RS, 8R)‐8‐Methyl‐2‐decanol, the Attractants of the Western Corn Rootworm.
Authors: CARPITA A. , CHINI M. , ROSSI R.
Published: May 2016

The (R)‐ester (I) is reduced with borane‐dimethyl sulphide to give the hydroxy ester (II).
ChemInform Abstract: Bis(arylsulfonyl)methane: A Versatile Synthon in Pheromone Synthesis.
Authors: FERROUD D. , GAUDIN J. M. , GENET J. P.
Published: May 2016

Aus den Alken‐Derivaten (I) entstehen mit den Methylen‐bis‐sulfonen (II) in Gegenwart von Pd(O)‐Katalysatoren Gemische der cis‐ (III) und trans‐Substitutionsprodukte (IV).
ChemInform Abstract: Effect of Alloying Elements on the Grain Boundary Segregation of Phosphorus in Iron and the Intergranular Corrosion of the Fe‐ P System.
Authors: WEI W. , GRABKE H. J.
Published: May 2016

Ti has little and Cr, Mn, Mo, and Vhave no effect on the grain boundary segregation of P in the concentration range studied.
ChemInform Abstract: New Gadolinium Nitride Chloride, Gd3Cl6N.
Authors: SIMON A. , KOEHLER T.
Published: May 2016

The title compound has been prepa‐ red by reaction of GdN and GdCl3 between 8.80 and 1020 K in Ta containers.
ChemInform Abstract: Synthesis and Properties of Tribromo‐cyclo‐1λ6‐tungsten‐3,5‐dithia‐2,4,6‐triazene.
Authors: ROESKY H. W. , SCHIMKOWIAK J. , NOLTEMEYER M. , SHELDRICK G. M.
Published: May 2016

The title compound (III) and the salt (VII) have been prepared as shown in the scheme.
ChemInform Abstract: Comparative Study of the Influence of the Substitution of an Alkaline Earth metal (Ca, Sr) by a Tetravalent Element (Ce, Th, U) on the Crystallographic and Dielectric Properties of Phases with the "Tetragonal Tungsten Bronze" Structure.
Authors: THORET J.
Published: May 2016

18 new phases with the tetragonal tungsten bronze structure have been prepared by substitution reactions as outlined in the scheme (conditions: for A = Tl: 1 190°C, 18 h under Ar; for A = K: 1250°C, 15 h, air).
ChemInform Abstract: K2PtH4, a New Hydride with Rotating Planar PtH42‐ Groups in Its High‐Temperature Phase.
Authors: BRONGER W. , AUFFERMANN G. , MUELLER P. +
Published: May 2016

K2PtH4 has been synthesized by reaction of KH with Pt sponge in a H2 atmosphere at 400°C (at lower temp., i.e. 300°C, a compound with the stoichiometry K3PtH5 is obtained).
ChemInform Abstract: Singel‐Crystal EXAFS of Nitrogenase.
Authors: FLANK A. M. , WEININGER M. , MORTENSON L. E. , CRAMER S. P.
Published: May 2016

The molecule of the enzyme under investigation consists of one Fe protein and one M0 ‐ Fe protein.
ChemInform Abstract: Electrosynthesis of Organic Compounds. Part 7. Electrochemical Oxidation of Selected Aryl Alkyl Halides.
Authors: ISMAIL M. T. , ABDEL‐WAHAB A. A. , EL‐KHAWAGA A. M. , MOHAMED O. S. , KHALAF A. A.
Published: May 2016

Anodic oxidation of selected aryl alkyl halides (I)‐(III) yields mixtures of alkylbenzenes, alkenylbenzenes, dimers, ethers, aldehydes and cyclic products.
ChemInform Abstract: Ethylidyne Alkynes from Isopropylidene Olefins.
Authors: ABIDI S. L.
Published: May 2016

Bei der Behandlung mit Natriumnitrit in wäßriger Essigsäure werden die Isopropylidenverbindungen (I) aus der Terpenreihe zu den Alkinen (II) gespalten.
ChemInform Abstract: Alkyl Migration Including Ring Contraction from a Migration Origin Bearing a Phenylthio (PhS) Group.
Authors: HANNABY M. , WARREN S.
Published: May 2016

Die Tosylate (I) und (III), deren Herstellungaus 4‐tert.‐Butylcyclohexanon beschrieben wird, bilden in Gegenwart von Ameisensäure unter Methylgruppen‐Wanderung bzw. Ringkontraktion die Ketone (II) und (IV).
ChemInform Abstract: Intermediates in the Decomposition of Aliphatic Diazo Compounds.
Authors: BETHELL D. , PARKER V. D.
Published: May 2016

Derivative cyclic voltammetry (DCW has been used to investigate further the dimeric species formed when 9‐diazofluoren (I) undergoes one‐electron reduction in MeCN solution [‐+ ?‐ nal product (II)].
ChemInform Abstract: Electron Transfer Reactions in Organic Chemistry. Part 8. Synchronous Electron‐Proton Transfer in the Oxidation of Alkylbenzenes by 12‐Molybdocerate(IV) Ion.
Authors: EBERSON L. , JOENSSON L. +
Published: May 2016

Kinetics and mechanism of the electron transfer mediated oxidation of alkyl aromatic compounds (e.g.
ChemInform Abstract: Deoxygenation of Aldehydes and Ketones with Sodium Cyanoborohydride.
Authors: ELLIGER C. A.
Published: May 2016

Hydroxy‐substituierte Benzaldehyde, Aceto‐ und Benzophenone (I) werden durch NaBH3CN bei pH 3 stets dann zu den Alkylbenzolen (III) reduziert, wenn das primär gebildete Carbinol (II) unter den Reaktionsbedingungen stabilisierte Carbonium‐Ionen bilden kann, z.B. bei 0‐ und p‐Hydroxy‐ substituierten Aceto‐ und Ben‐ zophenonen bzw. Benzaldehyden.
ChemInform Abstract: Synthesis of (R)‐ and (S)‐[1‐13C1,2‐2H1]Malonate and Its Stereochemical Analysis by NMR Spectroscopy.
Authors: HUANG S. , BEALE J. M. , KELLER P. J. , FLOSS H. G.
Published: May 2016

The title compounds (VI) are prepared.
ChemInform Abstract: Simple and Stereocontrolled Synthesis of an Optimal Isomeric Mixture of 3,13‐Octadecadien‐1‐yl Acetates.
Authors: VINCZER P. , BAAN G. , JUVANCZ Z. , NOVAK L. , SZANTAY C.
Published: May 2016

Ausgehend von der Carbonsäure (I) wird auf dem im Schema angegebenen Syntheseweg ein Gemisch der isomeren 3,13‐Octadecadienylacetate (VIIIb) hergestellt.
ChemInform Abstract: Polysulfonyl Amines. Part 7. Aliphatic Trisulfonyl Amines.
Authors: BLASCHETTE A. , WIELAND E. , SCHOMBURG D. , ADELHELM M.
Published: May 2016

The trisulfonyl amine (IIIa) is obtained from (IIa) and (I), whereas cleavage of the aminostannanes (VIa) or (VIb) [obtained from (IV) and (V)] with the sulfonyl chloride (IIb) yields (IIIb) and (IIIc).
ChemInform Abstract: Synthesis and Pharmacological Activity of 2,4‐Dichlor‐5‐sulfamoylbenzoic Acid Derivatives.
Authors: LEBEDEV A. A. , MIRONOVA L. I. , PLESHAKOV M. G. , METVEEVA A. K. , TIMOKHINA I. A.
Published: May 2016

Durch Umsetzung des Sulfochlorids (I) mit γ‐Aminobuttersäure (II) erhält man das Sulfonamid (III).
ChemInform Abstract: Chemistry of the Multifunctional Carbon Compounds. Part 2. Synthesis of Some α‐Fluoro‐α‐nitro‐α‐(arylthio)acetic Esters.
Authors: TAKEUCHI Y. , MURAYAMA A. , HAGI T. , KOIZUMI T.
Published: May 2016

Auf den beiden skizzierten Wegen werden die im Titel genannten Verbindungen (VI) synthetisiert.
ChemInform Abstract: One‐Step Synthesis of 4‐Alkoxy‐1‐ethoxycarbonylmethylazetidin‐2‐ones.
Authors: ANTONINI I. , CARDELLINI M. , CLAUDI F. , FRANCHETTI P. , MORACCI F. M.
Published: May 2016

Die Titel genannten Verbindungen (III) werden in: einem emsm?gcn, stereoselcktiv verlaufenden Verfahren aus den: Acylchloriden.
ChemInform Abstract: Studies on Styrene Derivatives. Part 1. Synthesis and Antiinflammatory Activities of α‐Benzylidene‐γ‐butyrolactone Derivatives.
Authors: KATSUMI I. , KONDO H. , YAMASHITA K. , HIDAKA T. , HOSOE K. , YAMASHITA T. , WATANABE K.
Published: May 2016

Durch Kondensation der Aldehyde (II) bzw. (V) mit γ‐Butyrolacton (I) oder durch Wittig‐Reaktion dieser Aldehyde mit dem Phosphoran (IV) werden zahlreiche α‐Alkylidenbutyrolactone (III) bzw. (VI) hergestellt und auf ihre entzündungshemmenden Eigenschaften geprüft.
ChemInform Abstract: Fries Rearrangement of Some 3‐Acetoxy‐ and 3‐Propionyloxy‐thiophenes.
Authors: BANKS M. R.
Published: May 2016

Die Thiophene (I) und (V) lassen sich in hoher Ausb. (= 69‐87%) durch Reaktion der entsprechenden Hydroxyverbindung mit Acetanhydrid oder einem Alkanoylchlorid herstellen.
ChemInform Abstract: N′‐Substituted‐3,5‐Dimethylpyrazoles and N′‐Substituted‐3‐Methyl‐5‐pyrazolones and Related Compounds as Possible Fungicides.
Authors: SHARMA R. S. , PATHAK R. B. , BAHEL S. C.
Published: May 2016

Die Pyrazole (III) und (V) werden auf dem üblichen Weg aus den Hydraziden (I) und Acetylaceton (II) bzw. Acetessigsäureethylester (IV) erhalten.
ChemInform Abstract: Ibotenic Acid Analogues. Synthesis and Biological Testing of Two Bicyclic 3‐Isoxazolol Amino Acids.
Authors: MADSEN U. , SCHAUMBURG K. , BREHM L. , CURTIS D. R. , KROGSGAARD‐LARSEN P.
Published: May 2016

The title compounds (V) (4‐HPCA) and (IX) (6‐HPCA) are synthesized as model compounds for the structural requirements of Central excitatory amino acid neurotransmitter receptors.
ChemInform Abstract: Partially Fluorinated Heterocyclic Compounds. Part 22. The Preparation of Allyl 2,5,6‐Trifluoropyrimidin‐4‐yl Ether and Related Compounds and a Study of Their Claisen Rearrangement Reactions.
Authors: BROOKE G. M. , FERGUSON J. A. K. J.
Published: May 2016

Flash vapour‐phase pyrolysis (fvp) of the pyrimidinyl ethers (III) [prepared from (I)] yields the pyrimidinones (IV).
ChemInform Abstract: Synthesis and Biological Activity of N‐Substituted 2,3,4,5‐Tetrahydro‐1H‐1,5‐benzodiazepinones‐2.
Authors: PUODZHYUNAITE B. A. , YANCHENE R. A. , TALAIKITE Z. A. , ZAKS A. S. , RABOTNIKOV YU. M. , USACHEV E. A.
Published: May 2016

Durch Umsetzung von o‐Phenylendiamin (I) mit Methacryl‐ säure (II) erhält man das Benzodiazepinon (IIIa).
ChemInform Abstract: Synthesis and Phase‐Transfer Property of Macrocyclic Polythiaether Sulphoxides.
Authors: FUJIHARA H. , IMAOKA K. , FURUKAWA N. , OAE S.
Published: May 2016

Die makrocyclischen Sulfoxide (V), (VIII) und (XI) werden wie beschrieben synthetisiert.
ChemInform Abstract: Syntheses of Medium Sized Heterocycles Using an Intramolecular Michael Reaction.
Authors: MASUOKA Y. , ASAKO T. , GOTO G. , NOGUCHI S.
Published: May 2016

Die Tetrahydro‐4,1‐benzoxazepinone (IV), (VII), (VIII) und (XI), die Tetrahydro‐4,1‐benzoxacinone (XIV) sowie das Hexahydro‐4,1‐benzoxazoninon (XVIII) werden durch intramolekulare Michael‐Addition aus den entsprechenden Aniliden (III), (VI), (X), (XIII) und (XVII) hergestellt.
ChemInform Abstract: 99% Chirally Selective Syntheses via Pinanediol Boronic Esters: Insect Pheromones, Diols, and an Amino Alcohol.
Authors: MATTESON D. S. , SADHU K. M. , PETERSON M. L.
Published: May 2016

The homologation of the chiral (+)‐pinanediol boronic esters (I) according to method A) yields the (l S)‐(1‐chloroalkyl)boronates (II) with more than 99% chiral selectivity except for the methyl compound, for which a chiral selectivity of 95.7% is found.
ChemInform Abstract: Bis(trimethylsilyl)phosphates of 1,1,1,4,4,4‐Hexafluoro‐2,3‐bis(trifluoromethyl)‐2,3‐butanediol and 1,1,1,3,3‐Pentafluoro‐2‐propenol.
Authors: BOHLEN R. , FRANCKE R. , HEINE J. , SCHMUTZLER R. , ROESCHENTHALER G.‐V. +
Published: May 2016

The monocyclic phosphorane (I) is hydrolized to give a mixture of an acyclic (II) and a cyclic phosphate (III), which are not separable.
ChemInform Abstract: Reaction of Difluoro‐ and Fluorochloronitroacetic Acids with Mercuric Oxide.
Authors: MARTYNOV I. V. , BREL' V. K. , UVAROVA L. V. , UVAROV V. I.
Published: May 2016

Difluornitroessigsäure (II) reagiert mit Quecksilber(II)‐oxid in Ether zum Acetat (I), in aromatischen Lösungsmitteln (III) zu den Arylquecksilberacetaten (IV).
ChemInform Abstract: Isonicotinamide as Entering Ligand on trans‐[Ru(NH3)4P(OR)3(H2O)]2+, (R: Me, Pr, iPr and Bu).
Authors: DO NASCIMENTO FILHO J. C. , FRANCO D. W.
Published: May 2016

The rates of replacement of water by isonicotinamide L in the aquo complexes (I) giving isolable isonicotinamide derivatives (II) are determined in order to estimate the trans‐effect of the phosphite ligands.
ChemInform Abstract: Stereochemistry of Dihydropinol and 1,8‐Cineol Derivatives. Part 6.
Authors: SZALKOWSKA‐PAGOWSKA H. , PIATKOWSKI K.
Published: May 2016

Oxymercurierung/Demercurierung von (+)‐cis‐Carveol (I) in wasserfreiem THF ergibt das gewünschte ( ‐ )‐1,2‐Pinol (II).
ChemInform Abstract: An Annulation Approach to the Synthesis of Pseudoguaianolide Sesquiterpene Lactones.
Authors: SCHULTZ A. G. , MOTYKA L. A. , PLUMMER M.
Published: May 2016

Starting from the furan (I) the tricyclic intermediate (V) is synthesized.
ChemInform Abstract: Synthesis of Some 1,2‐Bis(acetylphenylhydrazone) Derivatives.
Authors: SOMOGYI L.
Published: May 2016

Die Bis‐hydrazone (I) und (III), die mit Acetylchlorid oder heißem Acetanhydrid nicht acetylierbar sind, reagieren jedoch unter den angegebenen Bedingungen zu den entsprechenden Acetaten (II) bzw. (IV).
ChemInform Abstract: A New Synthesis of (±)‐Lysergic Acid.
Authors: KURIHARA T. , TERADA T. , YONEDA R.
Published: May 2016

Die N‐benzoylierten Lysergsäureester (VIa) und (VIb) werden ausgehend vom Keton (I) in der im Formelschema skizzierten Weise hergestellt.
ChemInform Abstract: Synthesis of Carbocyclic C‐Nucleoside Analogues from 8,9,10‐Trinorborn‐5‐en‐2‐ol.
Authors: COOKSON R. C. , DUDFIELD P. J. , SCOPES D. I. C.
Published: May 2016

The alcohol (I) undergoes cis‐hydroxylation, acetonide formation and oxidation to give the bicyclic ketone (III).
ChemInform Abstract: Synthesis of 7‐[3‐Bromo‐3,4‐dideoxy‐6‐O‐(2‐hydroxyethyl)‐β‐D‐glycero‐ hex‐3‐enopyranosyl‐2‐ulose]theophylline.
Authors: HALMOS T. , KOMIOTIS D. , ANTONAKIS K.
Published: May 2016

Wie im Formelschema skizziert, wird das im Titel genannte ungesättigte Bromnucleosid (VIb), das nach Kupplung an ungesättigte Fettsäuren auf seine Cytotoxizität geprüft werden soll, synthetisiert.
ChemInform Abstract: Bioactive Marine Metabolites. Part 13. Kabiramide C, a Novel Antifungal Macrolide from Nudibranch Egg Masses.
Authors: MATSUNAGA S. , FUSETANI N. , HASHIMOTO K. , KOSEKI K. , NOMA M.
Published: May 2016

The structure of the title compound (I) is elucidated by IR, UV and 1H‐ and 13C‐NMR spectroscopy.
ChemInform Abstract: Tobacco Chemistry. Part 63. Syntheses and Stereostructures of Six Tobacco Seco‐ Cembranoids.
Authors: WAHLBERG I. , ARNDT R. , NISHIDA T. , ENZELL C. R.
Published: May 2016

The isomeric seco‐acids (Ia), (Ib) are isolated from Greek tobacco ‐ as their methyl esters (Ic), (Id) ‐ and the four diastereomeric seco‐lactones (IIa)‐(IId) are isolated from Burley tobacco.
ChemInform Abstract: Synthesis of Novel Streptonigrin 2‐Amide Derivatives with 3,3′‐(Phenylphosphoryl)‐ bis(1,3‐thiazolidine‐2‐thione).
Authors: MIYASAKA T. , HIBINO S. , INOUYE Y. , NAKAMURA S.
Published: May 2016

The novel 2‐amide derivatives (IVa) and (IVb) of streptonigrm (II), an agent for the treatment of human cancer, have been synthesized by three methods, as shown in the scheme for (IVa): (II) is converted to (IVa) in moderate yields either via its acid Chloride by reaction with aminoethanol (I) or in one step by reaction with (I) using PPBTT as a chemoselective condensing agent.
ChemInform Abstract: Preparation and Sintering of Monosized Al2O3‐TiO2 Composite Powder.
Authors: OKAMURA H. , BARRINGER E. A. , BOWEN H. K.
Published: May 2016

An unagglomerated, monosized Al2O3‐TiO2 composite powder has been prepared by the stepwise hydrolysis of Ti(O‐iPr)4 in an Al2O3 dispersion (mean particle diameter 0.2‐0.3 μm).
ChemInform Abstract: Glass Formation Range, Acid Resistivity, and Surface Charge Density of ZnO‐B2O3‐SiO2 Passivation Glass Containing Al2O3.
Authors: SHIMBO M. , TAI S. , TANZAWA K.
Published: May 2016

The glass formation range in the title system increases after 5% Al2O3 addition and then decreases with increasing Al2O3 content.
ChemInform Abstract: Orientation of NH3D+ in Ammonium Nickel Sulfate Hydrate. A New Type of Crystalline Phase.
Authors: TRAPANI A. P. , STRAUSS H. L.
Published: May 2016

The new type of crystalline phase has been discovered in the course of an examination of the relative intensities of the various N‐Dbands of the IR spectra of (NH3D)2Ni(SO4)2 ‐ 6 H2O. The N‐Dbonds of dilute NH3D+ are oriented to a maximum extent at 29 K, but this orientation decreases at both higher and lower temperatures.
ChemInform Abstract: Experimental Evidence for the Existence of the Ti3B4 Phase.
Authors: SPEAR K. E. , MCDOWELL P. , MCMAHON F.
Published: May 2016

The Ti3B4 phase is formed in the Ti ‐ Bsystem by a peritectic reaction between TiB2 and liquid at z 2200°C. It has an orthorhombic Ta3B4‐type (Immm) structure and is stable to temp. at least as low as 1690°C. No evidence is found for the presence of a second high‐temp.
ChemInform Abstract: Electron Transfer at the WO3‐Electrolyte Interface Under Controlled Mass Transfer Conditions.
Authors: DESILVESTRO J. , GRAETZEL M. + , PAJKOSSY T.
Published: May 2016

The reduction of Fe" and Ce" at a polycrystalline n‐WO3 rotating disk electrode has been investigated in the dark.
ChemInform Abstract: Corrosion and Crack Growth in 33% Na2O ‐ 67% SiO2 and 33% Li2O ‐ 67% SiO2 Glasses.
Authors: WHITE G. S. , GREENSPAN D. C. , FREIMAN S. W.
Published: May 2016

The results of AAS, FTIR spectroscopy and crack growth measurements show, that chemical corrosion and crack growth in the title glasses are related; only those environments which cause surface corrosion also enhance crack growth.
ChemInform Abstract: Reaction of Strontium Carbonate with Anatase and Rutile.
Authors: TAGAWA H. , IGARASHI K.
Published: May 2016

The kinetics of the solid‐state reaction A, isothermally studied by use of a thermobalance, can be well described by the Jander model for diffusion of reactant particles through a product layer.
ChemInform Abstract: Selective O ‐ H Bond Cleavage in the Radiolysis of Quartz.
Authors: AZUMA N. , MIYAZAKI T. , FUEKI K. , SAKAGUCHI I. , HIRANO S.
Published: May 2016

When quartz single crystals and fused silica glass are γ‐irradiated at 77 K, Hatoms are produced by rupture of OH bonds.
ChemInform Abstract: Synthesis of Silicon Nitride by a Combustion Reaction Under High Nitrogen Pressure.
Authors: HIRAO K. , MIYAMOTO Y. , KOIZUMI M.
Published: May 2016

Combustion of a Si powder compact under l0 MPa N2 pressure yields fine Si3N4 powders.
ChemInform Abstract: Formation of Actinide Hexafluorides at Ambient Temperatures with Krypton Difluoride.
Authors: ASPREY L. B. , ELLER P. G. , KINKEAD S. A.
Published: May 2016

UF6 and NpF6 are formed at ambient or lower temp. from lower valent solids using KrF2 solutions in anhydrous HF.
ChemInform Abstract: The Nitrene OsF5(NCl).
Authors: COCKMAN R. W. , PEACOCK R. D.
Published: May 2016

Aus Osmiumhexa?uorid (I) und dem Silylisocyanat (II) wird durch Oxidation mit ClF3 die im Titel genannte Verbindung (III) synthetisiert.
ChemInform Abstract: Magnetic Properties and Structural Characterizations of Dichloro(2,5‐dithiahexane)copper(II) and Dichloro(4,7‐dithiadecane)copper(II): Observation of Heisenberg Alternating‐Chain Magnetism.
Authors: HATFIELD W. E. , TER HAAR L. W. , OLMSTEAD M. M. , MUSKER W. K.
Published: May 2016

The title complexes (I) and (II) are prepared by 1 :l molar reaction between CuCl2 and the appropriate dithiaalkane in absolute methanol.
ChemInform Abstract: On the Electronic Structure of Tris(β‐diketonato)ruthenium(III) Complexes: A Linear Correlation of Electrochemical Reduction Potentials in Solution with Vertical First Ionisation Energies in the Gas Phase.
Authors: AYNETCHI S. , HITCHCOCK P. B. , SEDDON E. A. , SEDDON K. R. , YOUSIF Y. Z. , ZORA J. A. , STUCKEY K.
Published: May 2016

The complexes (I) and (II) are prepared by literature methods and the crystal and molecular structure of the mer‐complex (II) is determined (space group P21/n with Z=4).
ChemInform Abstract: Metal Complexes with Tetrapyrrole Ligands. Part 41. Remarkable Ease of Ring Oxidation in Cerium(IV) Bisporphyrinates with Double‐Decker Structure.
Authors: BUCHLER J. W. , ELSAESSER K. + , KIHN‐BOTULINSKI M. , SCHARBERT B.
Published: May 2016

Der Ce(IV)‐Komplex (I) läßt sich durch Umsetzung mit dem Hexachloroantimonat (II) zu dem blauvioletten Produkt (III) oxidieren.
ChemInform Abstract: Synthesis and Solvolyses of Cyclopropylidenealkyl Esters.
Authors: HANACK M. , PRADL F.
Published: May 2016

The compounds (I)‐(III) are synthesized, mostly by known procedures.
ChemInform Abstract: Cycloaddition Reaction of Sydnone and Maleimide.
Authors: SUN K. K.
Published: May 2016

Aus den Sydnonen (I) erhält man mit den Maleinimiden (II) die Addukte (III) und (IV); mit dem Bis‐imid (V) sind Polymere (VI) zugänglich.
ChemInform Abstract: Azimines. Part 8. Contribution to the Preparation and Thermolysis of Alkyl (2Z)‐2,3‐Diisopropyl‐azimine‐1‐carboxylates.
Authors: HILPERT H. , HOESCH L. , DREIDING A. S.
Published: May 2016

Werden anstelle der 4‐Nitroisomeren die Carbamate (I) mit dem Azoethan (II) umgesetzt, so läßt sich die Ausb. der Azimine (III) verbessern.
ChemInform Abstract: Mechanistic Aspects of the Boron Trifluoride Catalyzed, Intermolecular Diels‐Alder Cycloaddition of an Unactivated 2‐Aza 1,3‐Diene with Electron‐Donating‐Substituted Dienophiles.
Authors: CHENG Y.‐S. , HO E. , MARIANO P. S. , AMMON H. L.
Published: May 2016

Das Aza‐dien (I) reagiert mit den Vinylethern (II) zu den Addukten (III), die mit Alanat zu den Piperidinen (IV) reduziert werden.
ChemInform Abstract: Cope Rearrangements in the Thiophene Series.
Authors: MACDOWELL D. W. H. , PURPURA J. M.
Published: May 2016

Das Butenyl‐thiophen (I) lagert zum 3‐Allyl‐2‐thienyl‐malonester (I I) um.
ChemInform Abstract: Photochemistry of 2‐(Perfluoroalkyl)cycloalkanones.
Authors: SEMISCH C. , MARGARETHA P.
Published: May 2016

Die 2‐(Perfluoralkyl)‐cycloalkanone (I), (V) und (VIII) liefern durch photochemisch induzierte α‐Spaltung die angegebenen Produkte.
ChemInform Abstract: Photochemical Reactions of N,N′‐Dialkylpiperazinetetrones.
Authors: AOYAMA H. , OHNOTA M. , SAKAMOTO M. , OMOTE Y.
Published: May 2016

N,N′‐Dimethyl‐piperazintetron (I) und Tetramethylethylen (II) ergeben bei der Photolyse das Addukt (III).
ChemInform Abstract: Hydroxylation of Menthols and Cineols with m‐Chloroperbenzoic Acid.
Authors: ASAKAWA Y. , MATSUDA R. , TORI M.
Published: May 2016

Die Reaktion von 1‐Menthol (I), Neo‐ und Isomenthol sowie 1,4‐ (V) und 1,8‐Cineol mit m‐Chlorperbenzoesäure wird untersucht.
ChemInform Abstract: Potassium Triphenylborohydride. A New Reducing Agent for the Reduction of Carbonyl Compounds with an Exceptional Stereo‐ and Chemoselectivity.
Authors: YOON N. M. , KIM K. E. , KANG J.
Published: May 2016

Kaliumtriphenylhydridoborat (II), erhältlich aus Triphenylboran (I) und Kaliumhydrid, ist für selektive Reduktionen von Carbonylverbindungen geeignet.
ChemInform Abstract: Improvements and Simplifications of Nitrile Synthesis by Alkylation of the Cyanide Anion: Phase Transfer Catalysis in a Solid‐Liquid System Without Solvent.
Authors: BRAM G. , LOUPY A. , PEDOUSSAUT M.
Published: May 2016

The liquid alkyl halides (I)‐(V) are reacted with finely ground KCN in the presence of catalytic amounts of Aliquat 336 and small amounts of water.
ChemInform Abstract: Gas‐Phase Cationic Benzoylation of Ambident Aromatic Substrates Studied with the Decay Technique.
Authors: OCCIUCCI G. , CACACE F. , SPERANZA M.
Published: May 2016

Decay techniques combined with FT‐ICR mass spectrometric methods reveal the existence of competitive phenylation and benzoylation characterized by a sharp kinetic bias of the gaseous phenylium ion for the aromatics (I) and (VI).
ChemInform Abstract: The Effect of the Structure of Substrates and Reaction Conditions on the Preparation of Acetylene 1,4‐Diols.
Authors: OLEJNIK M. , JASIOBEDZKI W.
Published: May 2016

Adecisive factor in the synthesis of sym. acetylene 1,4‐diols (III) from the ketones (I) turns out to be the aromatic Substitution.
ChemInform Abstract: Effects of Halogen Substitution on Reactions of o‐Quinol Acetates with Isopropylmagnesium Bromide and Diisopropylmagnesium.
Authors: MILLER B. , HAGGERTY J. G.
Published: May 2016

Die o‐Chino1acetate (I) reagieren mit der Grignard‐Verbindung (II) zu den Phenol‐Derivaten (III)‐(V).
ChemInform Abstract: Syntheses with Nitriles. Part 74. 3‐Amino‐4,4‐dicyano‐3‐butenoate, a Synthetically Useful Dimer from Malononitrile and Cyanoacetate.
Authors: MITTELBACH M. , JUNEK H.
Published: May 2016

Reaction of (I) with (II) yields the title compounds (III), which are the starting materials for the syntheses of various other compounds (IV)‐(XII).
ChemInform Abstract: Stereospecific Synthesis of the Important Retinoid Synthon Ethyl trans‐ 3‐Formyl‐ 2‐butenoate via Direct Two‐Stage Oxidation of Ethyl 3‐Methyl‐ 2‐butenoate.
Authors: CURLEY R. W. JUN. , TICORAS C. J.
Published: May 2016

Zur Herstellung des für Retinoid‐Synthesen interessanten Formyl‐crotonsäureesters (III) wird der Dimethylacrylsäureester (I) zunächst mit Selendioxid zum Alkohol (II) und dann weiter mit Braunstein oxidiert.
ChemInform Abstract: Electrophilic Alkylations of Norbornene. Syntheses of 7‐Substituted Norbornenes.
Authors: POCK R. , KLEIN H. , MAYR H.
Published: May 2016

The Lewis acid catalyzed addition of the SNI reactive alkyl halides (I I) to norbornene (I) yields the syn‐alkyl‐exo‐halonorbornanes (III), treatment of which with potassium tert‐butoxide gives the syn‐norbornenes (IV).
ChemInform Abstract: Controlled Functionalization of Cyclohepta‐1,3‐diene: An Approach to the (±)‐Prelog‐Djerassi Lactonic Acids.
Authors: PEARSON A. J. , BANSAL H. S.
Published: May 2016

Es wird in der ersten Arbeit eine stereoselektive Synthese des Cycloheptenons (XII) beschrieben.
ChemInform Abstract: Synthesis of Nucleophilic Adducts of Thiols. Part 8. Addition of L‐Glutathione to β,β‐Diethoxycarbonylstyrene Derivatives.
Authors: KIM T.‐R. , CHOI S.‐Y. , SHIN J.‐S.
Published: May 2016

The styrene derivatives (III), prepared by a standard procedure from (I) and (II), react with glutathione (IV) under the optimized conditions given in the scheme to afford the adducts (V) in moderate to good yields.
ChemInform Abstract: 3‐Chloroinden‐1‐ones and Related Compounds. 3‐Chloro Derivatives of 2‐(Phenyl, l′‐Naphthyl and 2′‐Pyridyl)‐inden‐1‐one and Their Reactions.
Authors: ISMAIL I. M. , EL‐SHARIEF A. M. S. , AMMAR Y. A. , AMER R. M.
Published: May 2016

Die Chlorindenone (II) werden mit zahlreichen primären und sekundären Aminen umgesetzt, wie im Formelschema skizziert.
ChemInform Abstract: v‐Triazolines. Part 26. 1,2,5‐Trisubstituted 3‐Pyrrolecarbaldehydes from N‐Substituted Oxazolium‐S‐olates and 5‐Amino‐4,5‐dihydro‐4‐methylene‐v‐triazoles.
Authors: ERBA E. , GELMI M. L. , POCAR D. , TRIMARCO P.
Published: May 2016

Die Reaktion der Triazole (I) mit den Oxazolium‐5‐olaten (II) ergibt zunächst durch regiospezifische Cycloaddition instabile Addukte, welche sich unter CO2‐ und N2‐Eliminierung zu den Anilen (III) umlagern.
ChemInform Abstract: Monopyrrolic Precursors for the Synthesis of Uroporphyrinogen Octanitrile.
Authors: ONO M. , LATTMANN R. , INOMATA K. , LEHMANN C. , FRUEH T. + , ESCHENMOSER A.
Published: May 2016

With regard to a planned synthesis of uroporphyrinogen octanitrile (I), the synthesis of the three pre‐uroporphinoid monopyrrolic derivatives (IIa)‐(IIc) has been undertaken starting from the compound (IIIa) as shown in the scheme.
ChemInform Abstract: Influence of N‐Substitution in the FVT of Pyrazoles.
Authors: PEREZ J. D. , YRANZO G. I. , PHAGOUAPE L. M.
Published: May 2016

Flash vacuum thermolysis of the l‐alkyl‐pyrazoles (I) yields the pyrazoles (II) and the alkenes (III).
ChemInform Abstract: Some Reactions of 4,5‐Dihydro‐3‐methyl‐1‐phenyl‐6‐p‐tolyl‐1H‐indazole‐ 4‐carboxylic Acid.
Authors: SOLIMAN E. A. , HASSAN M. A. , SALEM M. A. I.
Published: May 2016

Reaktion der Carbonsäure‐Derivate (Ia) und (Ib) mit Hydrazinen bzw. Aminen führt zu den Derivaten (II).
ChemInform Abstract: Allylstannation. Part 9. The Preparation of 4‐Chloro‐2,6‐dialkyl‐, 4‐Bromo‐2,6‐dialkyI‐, (E/Z)‐4‐Chloro‐2,6‐dialkyl‐3‐methyl‐ and (E/Z)‐4‐ Bromo‐2,6‐dialkyl‐3‐methyltetrahydropyrans by Condensation of Aldehydes with Di‐ and Tri‐halides of Allyltin.
Authors: BOARETTO A. , FURLANI D. , MARTON D. , TAGLIAVINI G.
Published: May 2016

Die Reaktion der Stannane (I) mit den Aldehyden (II) in Gegenwart der Zinnhalogenide (III) zu den Tetrahydropyranen (IV) wird untersucht.
ChemInform Abstract: Synthesis and Biological Activity of Some Imperatorin Derivatives.
Authors: NASEF A. M. H. , GOHAR A.‐K. M. , YOUSSEF M. S. , ISMAIL I.
Published: May 2016

Das Furocumarin Imperatorin (I) wird nach Chlormethylierung zu (II) weiter in die Derivate (III) übergeführt.
ChemInform Abstract: Synthesis, Diuretic Activity and Conformation of a Novel Aryloxyacetic Thiopyranylideneketone.
Authors: NUHRICH A. , BERANGER M. , DEVAUX G. , CAMBAR J. , DORIAN C. , CARPY A.
Published: May 2016

The diuretic activity of the desired compound (V) proves to be very weak compared with that of the thiophene analogue.
ChemInform Abstract: Synthesis of 5,13‐Dihydro‐5‐alkyl‐6H‐indolo[2,3:5,4]pyrido[1,2‐a]benzimidazol‐6‐one.
Authors: ABD‐ELFATTAH A. M. , HUSSAIN S. M. , EL‐REEDY A. M.
Published: May 2016

Die Indol‐carbonsäureanhydride (I) reagieren mit 0‐ Phenylendiamin (IV) zu dem neuen Ringsystem (V); mit Ethylendiamin (II) wird (III) gebildet.
ChemInform Abstract: Disubstituted Phenothiazones. Part 4. Chloro‐4‐nitro‐ and ‐7‐nitro‐3H‐ phenothia‐ zin‐3‐ones.
Authors: TERDIC M. H.
Published: May 2016

Nitrierung der Chlorphenothiazinone (I) liefert ausschließlich die 4‐Nitro‐Derivate (II).
ChemInform Abstract: 2‐(Trifluoromethyl)‐1‐(phenylsulfenyl)vinyltrimethylsilane. A Useful Building Block for Trifluoromethylated Organic Molecules.
Authors: YAMAZAKI T. , TAKITA K. , ISHIKAWA N.
Published: May 2016

Durch Umsetzung von Phenylthiobis‐(trimethylsilyl)‐methan (I) mit Trifluoracetaldehyd (II) erhält man die im Titel genannte Verbindung (III), die Fluorid‐katalysiert mit den Aldehyden (IV) unter vollständiger Erhaltung der Konfiguration zu den Olefinen (V) umgesetzt werden kann.
ChemInform Abstract: Siliciumorganic Compounds. Part 88. Disilatranylalkane.
Authors: BIRKOFER L. , GRAFEN K.
Published: May 2016

Aus den Silanen (I) werden mit den Ethanolaminen (II) die Disilatrane (III) hergestellt und charakterisiert.
ChemInform Abstract: Contrast Between the Phosphorylation of Alcohols and Amines by 2,4‐Dioxo‐1‐oxa‐ 3‐aza‐2‐phospholanes.
Authors: MULLIEZ M. , WOLF R.
Published: May 2016

Titelverbindungen vom Typ (III) und (V) sind auf den beschriebenen Reaktionswegen zugänglich.