bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Oxidative Reactions of Azacycloalkanes.
Authors: TROYANSKII E. I. , IOFFE V. A. , NIKISHIN G. I.
Published: May 2016

Die Azacycloalkane (I) reagieren mit Natriumperoxodisulfat in Gegenwart von Natriumcyanid und Natriumhydroxid in Abhängigkeit von der Ringgröße zu wechselnden Gemischen der Produkte (II)‐ (VIII).
ChemInform Abstract: Nitration of Reactive Aromatics via Electron Transfer. Part 5.
Authors: EBERSON L. , RADNER F.
Published: May 2016

With the exception of (I), in the course of coupling of methylnaphthalin radical cations such as (V) with N02 the α‐position is predominantly substituted.
ChemInform Abstract: Preparation of Six‐and Eight‐Membered Mixed Cyanuric‐Thiazyl Rings, (R2NCN)x(NSCl)2 (x: 1, 2), and the X‐Ray Crystal Structure of (Et2NCN)(NSCl)2.
Authors: CHIVERS T. , RICHARDSON J. F. , SMITH N. R. M.
Published: May 2016

The reaction of dialkylcyanamides (II) with NSCl units generated from (NSCl)3 (III) in CCL, at ca. 60°C produces either the six‐membered rings (I) or, in the presence of a large excess of dimethylcyanamide, the eight‐membered ring (IV).
ChemInform Abstract: Enantioselective Synthesis of α‐Hydroxythioacetals by the Baker′s Yeast Reduction of α‐Ketothioacetals.
Authors: FUJISAWA T. , KOJIMA E. , ITOH T. , SATO T.
Published: May 2016

Die cyclischen Acyldithioacetale (I) lassen sich mit Bäcker‐ Hefe (Saccha romyces cerevisiae) in hoher optischer Reinheit zu den Hydroxyalkyldithioacetalen (II) reduzieren.
ChemInform Abstract: Molecular Requirements of the Recognition Site of Cholinergic Receptors.
Authors: ANGELI P. , GIANNELLA M. , PIGINI M. , GUALTIERI F. , TEODORI E. , VALSECCHI B. , GAVIRAGHI G.
Published: May 2016

Starting from the reaction between the ketones (I) and the mercapto alcohol (II), compounds of type (VI) (no yields given) are synthesized and tested together with (VII) and (VIII) for their cholinergic activities.
ChemInform Abstract: Mesoionic Thiocarbonyl Ylides.
Authors: ARAKI S. , BUTSUGAN Y.
Published: May 2016

Die Azoliumthiolate (I) liefern mit Brom die nicht isolierbaren Dibromide (II), die mit dem Malonsäuredinitril‐Na‐Salz (III) zu den mesoionischen Thiocarbonyldicyanomethyliden (IV) kuppeln; mit dem Tetrachlorcyclopentadienid (V) und (I) wird das Cyclopentadienylid (VI) erhalten.
ChemInform Abstract: [2,3] Wittig Rearrangement‐Based Approaches to Stereocontrol over Three Contiguous Chiral Centers.
Authors: NAKAI E. , KITAHARA E. , SAYO N. , UENO Y. , NAKAI T.
Published: May 2016

Das durch Wittig‐Umlagerung aus dem silylierten Propargylether (I) darstellbare Methylhepten‐in‐ol (II) wird, wie im Formelschema skizziert, auf zwei unterschiedlichen Wegen in das Butyrolacton (IV) umgewandelt, das sich über das Lacton (VIII) in das Prelog‐Djerassi‐Lacton (IX) überführen läßt; (IX) wird auch aus dem Isobutenylether (X) über das Diol (XII) und das Lacton (XIV) erhalten.
ChemInform Abstract: Applications of Organolithium and Related Reagents in Synthesis.
Authors: EPSZTAJN J. , BRZEZINSKI J. Z. , JOZWIAK A.
Published: May 2016

The N,N‐diethylamides (IVa)‐(IVc) react with themselves on treatment with LDA to form the ketoamides (I)‐(III).
ChemInform Abstract: Synthesis of 3‐Aromatic Ring Substituted 2‐(4‐Chlorobenzoylamino)propionic Acid Derivatives and Their Antiulcer Activities.
Authors: UCHIDA M. , TABUSA F. , KOMATSU M. , MORITA S. , KANBE T. , NAKAGAWA K.
Published: May 2016

Zur Untersuchung der Antiulcus‐Aktivität werden die substituierten a‐Aminopropionsäuren (IV) auf dem angegebenen Wege herstellt.
ChemInform Abstract: 4‐Substituted‐1‐methyl‐1H‐pyrrolo[3,2‐c]pyridines.
Authors: CASY A. F. , NEEDLE R. J. , UPTON C.
Published: May 2016

The carbaldehyde (I) is converted to the pyrrolo[3,2‐c]pyridine (VI) via (III) and (V) in 32% yield.
ChemInform Abstract: Conjugated Azoalkenes. Part 2. Synthesis of Some Heterocyclic Azoalkenes.
Authors: ATTANASI O. , FILIPPONE P. , MEI M. , SERRA‐ZANETTI F.
Published: May 2016

Aus den Ketonen (II) und den Hydrazinen (I) werden über die Hydrazone (III) mit Phenyltrimethylammonium‐perbromid (IV) die Azo‐alkene (V) erhalten, die Interesse als Zwischenstufen besitzen.
ChemInform Abstract: 7‐(Trifluoromethyl)‐4‐aminoquinoline Hypotensives: Novel Peripheral Sympatholytics.
Authors: MCCALL J. M. , TENBRINK R. E. , KAMDAR B. V. , SKALETZKY L. L. , PERRICONE S. C. , PIPER R. C. , DELEHANTY P. J.
Published: May 2016

Synthetisiert und auf blutdrucksenkende Wirkung untersucht werden Verbindungen z.B. der Struktur (III), von denen Losulazinhydrochlorid (IIIc)·HCl für die klinische Prüfung selektiert wird.
ChemInform Abstract: Organoboron Compounds. Part 420. New Thermal Rearrangement in the Series of Cyclic Tetra‐Coordinated Boron Compounds.
Authors: DOROKHOV V. A. , BOCHKAREVA M. N. , MIKHAILOV B. M.
Published: May 2016

Die Aminoborane (III), erhältlich aus den Aminopyridinen (I) und den Boranen (II), reagieren mit den Isocyanaten (IV) zu den Bicyclen (V), die thermisch zu (VI) isomerisieren.
ChemInform Abstract: Hydrogenation of Unsaturated Dicarboxylic Acids by Dicarbonylbis(η5‐cyclopentadienyl)titanium(II) and Molecular Structure of (μ‐Acetylenedicarboxylato)bis‐ [bis(η5‐methylcyclopentadienyl)titanium(III)].
Authors: CORBIN D. R. , ATWOOD J. L. , STUCKY G. D.
Published: May 2016

Formation and characterization (MS) of the binuclear Ti(III) complexes (IV) and (VIII), obtained by reduction of the unsaturated dicarboxylic acids (I), (II), (V)‐(VII) with the Ti(II) complex (III) (ratio 1:2), demonstrate that the acidic hydroxyl groups of unsaturated acids are an effective source of hydrogen in the hydrogenation of these same acids.
ChemInform Abstract: Ordering of Metal Chelates on the Basis of Bilayer Assembly.
Authors: KUNITAKE T. , ISHIKAWA Y. , SHIMOUMURA M. , OKAWA H.
Published: May 2016

The amphiphile (I), containing the azobenzene moiety in the hydrophobic part and a cyclic tetramine as the hydrophilic head, was dispersed in deionized water by sonication together with CuClz.
ChemInform Abstract: Unusual Route to an Acyl Complex in Cluster Chemistry: Synthesis, Structure, and Reactivity of Ru3(μ‐η2‐C(O)(C6H5))(μ3‐η2‐P(C6H5)(C5H4N))(CO)9.
Authors: LUGAN N. , LAVIGNE G. , BONNET J.‐J.
Published: May 2016

Thermal reaction of diphenylpyridylphosphine with Ru3(CO)12 in the presence of either sodium benzophenone ketyl or [N(PPh3)2]CN leads selectively and quantitatively to (I) which is metastable at ambient temperature yielding the new cluster Complex (II) (space group P2,2,2" Z=4) in contrast to the stability of the phosphine ligand toward Ru3(CO)12 in thermally induced Substitution reactions.
ChemInform Abstract: Insertions of Small Molecules CO, CH3NC, SO2, and CS2 into the Pd ‐ Pd σ‐Bond of Pd2Cl2(PMe2CH2PMe2)2. Crystal and Molecular Structure of Pd2(μ‐CO)Cl2(PMe2CH2PMe2)2.
Authors: KULLBERG M. L. , KUBIAK C. P.
Published: May 2016

The reaction of (I) with small molecules leads to formation of (II) and (III).
ChemInform Abstract: Complexes of Binucleating Ligands. Part 19. Facile Hydration of Nitriles at a Di‐palladium(II) Site Under Mild Conditions.
Authors: LOUEY M. , MCKENZIE C. J. , ROBSON R.
Published: May 2016

Ausgehend von (Ia) bzw. der besseren Löslichkeit wegen von (Ib) (dargestellt aus (Ia) durch 5 min Erhitzen mit Isobuttersäure bei 100 °C) wurde durch Reaktion mit NaOH (Dioxan, 25°C, 8h) oder in einer Zwei‐Phasen‐Reaktionsmischung ‐ (I) in organischem Medium ‐ und Hydroxid, Carbonat oder Bicarbonat in wäßriger Lösung in Gegenwart oder Abwesenheit von NBuI als Phasenübertragungsreagens ein Komplex mit Hydroxobrükke erhalten, für den mehrere Strukturen möglich erscheinen (Hydroxo‐aquo‐Brükke oder cyclische Struktur mit OH‐Brücken zwischen 3‐4 getrennten Pd2(ligand)+‐Einheiten).
ChemInform Abstract: Synthesis and X‐Ray structure of (C5Me5)2Th(μ‐PPh2)2Pt(PMe3): a Complex with a Thorium ‐ Platinum Bond.
Authors: HAY P. J. , RYAN R. R. , SALAZAR K. V. , WROBLESKI D. A. , SATTELBERGER A. P.
Published: May 2016

The Th(IV) complex (I) reacts smoothly with 1 equiv. Pt(COD)2 in the presence of PMe3 to provide the air‐sensitive title compound (II).
ChemInform Abstract: Synthesis of Azoic Dyes from 7‐Hydroxy‐3‐phenyl Quinoline Derivatives.
Authors: KRISHNAN R. , SESHADRI S.
Published: May 2016

Die Kondensation des Phenylacetaldehyds (I) mit Aminophenol (II) ergibt das Chinol‐inderivat (IIIa), aus dem durch Reduktion das Amin (IIIb) gewonnen wird.
ChemInform Abstract: A New Synthesis of Retinals.
Authors: DUHAMEL L. , DUHAMEL P. , LECOUVE J.‐P.
Published: May 2016

The retinals (VI) are prepared from β‐ionone (I) by the reaction sequence depicted below.
ChemInform Abstract: The Formation of 8,14‐seco‐Steroid Systems: 3β,5,17β‐Trihydroxy‐8,14‐seco‐5α‐androstan‐8‐one (IIIb) and Its 3,17‐Diacetate Ester (IIIa).
Authors: MIHAILOVIC M. LJ. , LORENC L. , BONDARENKO L. , TINANT B. , DECLERQ J.‐P. , VAN MEERSSCHE M.
Published: May 2016

The thermolysis of the peroxide (I) gives the dienedione (II) and the title compound (IIIa).
ChemInform Abstract: Synthesis and Antiviral Activity of the Carbocyclic Analogues of S‐Ethyl‐T‐deoxyuridine and of 5‐Ethynyl‐2′‐deoxyuridine.
Authors: SHEALY Y. F. , O'DELL C. A. , ARNETT G. , SHANNON W. M.
Published: May 2016

Die über das Si‐acetylen (III) zugänglichen carbocyclischen Analoga (IV) und (V) werden auf Wirkung gegen Herpes simplex‐Viren, Typ HSV‐1 und HSV‐2, untersucht.
ChemInform Abstract: Nucleosides. Part 136. Synthesis and Antiviral Effects of Several 1‐(2‐Deoxy‐2‐fluoro‐β‐D‐arabinofuranosyl)‐5‐alkyluracils.
Authors: SU T.‐L. , WATANABE K. A. , SCHINAZI R. F. , FOX J. J.
Published: May 2016

Nucleoside vom Typ (III) werden synthetisiert und auf ihre Wirkung gegen Herpes simplex‐Viren (HSV‐1 und HSV‐2) getestet.
ChemInform Abstract: Synthesis of C‐Terminal Fragments of Thymopoietin II (TP II).
Authors: KONOPINSKA D. , PIETRZYNSKI G. , CZARNECKI J.
Published: May 2016

The title peptides (I), (II), and (III) are synthesized: The building units (IV) and (V), each prepared by used procedures, are coupled to give the fully protected peptides (VI) or (IX).
ChemInform Abstract: Solvated Electrons and Electron‐Cation Aggregates in Solutions of the Alkali Metals in 12‐Crown‐4.
Authors: EDMONDS R. N. , HOLTON D. M. , EDWARDS P. P.
Published: May 2016

Na, K, Rb, and Cs metals dissolve in 1,4,7,10‐tetraoxacyclododecane to give blue solutions containing metal cations, metal anions, electrons, and cation‐electron pairs.
ChemInform Abstract: Pressure Dependence of the Rate Constant for the Reaction HO2 + NO2 + M ‐→ HO2NO2 + M (M: N2, O2) at 298 K.
Authors: KURYLO M. J. , OUELLETTE P. A.
Published: May 2016

The pressure dependence at 298 K of the title reaction has been investigated by flash photolysis kinetic absorption spectroscopy at N2 and O2 pressures ranging from 25 to 600 torr.
ChemInform Abstract: Kinetics of the Reaction OH + NH3.
Authors: JEFFRIES J. B. , SMITH G. P.
Published: May 2016

The rate constants for the OH + NH3 reaction which is an important reaction in the combustion mechanism for fossil fuels have been measured by laser pyrolysis/laser fluorescence over the temp. range 840‐1425 K. These direct high‐temp.
ChemInform Abstract: Electroreduction of Bicyclic Heteroaromatics. Selective Product Formation.
Authors: KARIV‐MILLER E. , DEDOLPH D. F. , RYAN C. M. , MAHACHI T. J.
Published: May 2016

Bei der elektrolytischen Reduktion der Benzofurane (I) werden die Reduktionsprodukte (II)‐(IV) in Abhängigkeit von den Bedingungen in unterschiedlichen Anteilen erhalten.
ChemInform Abstract: Kinetic Resolution of Racemic β‐Hydroxy Amines by Enantioselective N‐Oxide Formation.
Authors: MIYANO S. , LU L. D.‐L. , VITI S. M. , SHARPLESS K. B.
Published: May 2016

Es wird eine zweckmäßige und allgemeine Methode für die kinetisch kontrollierte Trennung von β‐Hydroxy‐tert‐Butylamin‐Racematen beschrieben.
ChemInform Abstract: The Flow Thermolyses of 1‐Isobutenyl Alkynyl‐ and 2‐Methylphenyl Alkynyl Ketones. Synthesis of Methylenomycin B.
Authors: KOLLER M. , KARPF M. , DREIDING A. S.
Published: May 2016

Die Thermolyse von Acetylenketonen wie (I), (IV), (IX) und (XIII) wird bei verschiedenen Temperaturen untersucht, und es werden unterschiedliche im Formelschema aufgeführte Anteile an Phenolen, Cy‐ clopentenonen wie Methylenomycin B (VIII) und Indanonen erhalten.
ChemInform Abstract: Synthesis and Reactivity of N‐Mesitylcyclopropylideneazomethine.
Authors: BATTAGLIA A. , BARBARO G. , GIORGIANNI P. , FORESTI E. , SABATINO P. , DONDONI A.
Published: May 2016

Das aus dem Imidchlorid (I) durch Dehydrohalogenierung erzeugte Ketenimin (II) reagiert in situ mit dem Thioketon (III) bzw. dem Azomethin (VI) zu den [2 + 2]‐Cycloaddukten (IV) bzw. (V).
ChemInform Abstract: Products and Reaction Routes in the Diozonolysis of 2,3‐Dimethyl‐1,3‐ butadiene in Methanol.
Authors: GRIESBAUM K. , ZWICK G. , AGARWAL S. , KEUL H. , PFEFFER B. , MURRAY R. W.
Published: May 2016

2,3‐Dimethylbutadien wird der Ozonolyse unterworfen, und die in ei‐ ner ggf. explosionsartigen Reaktion gebildeten anomalen Oxidationsprodukte werden isoliert und identifiziert.
ChemInform Abstract: A New Synthesis of Phenyl Ketones by Intramolecular ′Deoxybenzoylation′ of Enols and Phenols.
Authors: KAY I. T. , GLUE S. E. J.
Published: May 2016

Das Phenylcyanmethyl‐carbamoylchlorid (I) reagiert über das Ylid (II) mit den Enolaten (III) mit einer Elektronen‐anziehenden Gruppierung über die Zwischenstufen (IV)‐(VII) zu den Benzoyl‐ole?nen (VIII), wobei als Edukte (III) auch Derivate wie (IX), (XIIIa) oder (XIVa) eingesetzt werden können.
ChemInform Abstract: Bromomethyl Ketones and Enolates: Alternative Products from Ester Homologation Reactions.
Authors: KOWALSKI C. J. , HAQUE M. S.
Published: May 2016

Die Ester (I) werden unter den im Schema angegebenen Reaktionsbedingungen in die Brommethylketone (II), das Bromenolacetat (III) und den Silylenolether (IV) übergeführt.
ChemInform Abstract: Potential Antimalarials. Part 5. 4‐(7′‐Trifluoromethylquinolin‐4′‐ylamino)phenols, 4‐[2′,7′‐ and 2′,8′‐Bis(trifluoromethyl)quinolin‐4′‐ylaminolphenols and N4‐Substituted 2,7‐(and 2,8‐)Bis(trifluoromethyl)quinolin‐4‐amines.
Authors: BARLIN G. B. , TAN W.‐L.
Published: May 2016

Reaction of the quinoline (I) with the aminophenol (II) gives (IIIa) or (IIIb).
ChemInform Abstract: About the Synthesis of [1,2]Diazepinoindole Derivatives from Ethyl 2‐(1‐Methylindole)acetate, 2‐Indole and 3‐Indoleacetohydrazones.
Authors: MONGE A. , PALOP J. A. , GONI T. , MARTINEZ A. , FERNANDEZ‐ALVAREZ E.
Published: May 2016

Aus dem Indolyl‐essigsäureester (I) erhält man mit den Carbonsäureamiden (II) in Gegenwart von Phosphoroxychlorid die Acylierungsprodukte (III), die mit Hydrazin zu Diazepino‐indolen (IV) cyclisiert und weiter zu (V) acyliert werden können.
ChemInform Abstract: 6‐Substituted and 2‐Chloro‐6‐substituted 10‐Piperazino‐10,11‐dihydrodibenzo[b,f]thiepins as Potential Antidepressants.
Authors: CERVENA I. , HOLUBEK J. , SVATEK E. , METYSOVA J. , VALCHAR M. , DLABAC A. , WILDT S. , PROTIVA M.
Published: May 2016

The Starting compound (VIIIb) is obtained from (I) and (II) via (III), whereas starting compounds (VIIIa), (VIIIc) and (VIIId) are prepared from the phenyl acetic acid (VI) and the thiophenol (VII) in the presence of copper.
ChemInform Abstract: Potential Noncataleptic Neuroleptic Agents; 2,6‐Dichloro‐, 2,7‐Dichloro‐ and 2,8‐Dichloro‐10‐piperazino‐10,11‐dihydrodibenzo[b,f]thiepins.
Authors: PROTIVA M. , DLABAC A. , VALCHAR M. , WILDT S. , CERVENA I. , SEDIVY Z.
Published: May 2016

The acetophenone (I) reacts with the thiophenols (II) to give (III), which are converted to the thiomorpholides (VI).
ChemInform Abstract: Tris(o‐phenylenedioxy)cyclotriphosphazene: The Clathration‐Induced Monoclinic to Hexagonal Solid‐State Transition.
Authors: ALLCOCK H. R. , LEVIN M. L. , WHITTLE R. R.
Published: May 2016

The title compound (I) prepared from hexachlorocyclotriphosphazene with catechol in the presence of sodium carbonate is known to clathrate a variety of small molecules.
ChemInform Abstract: Synthesis and Characterization of Some Lanthanide(III) Chelates with O‐Hydroxyacetophenone Oxime.
Authors: MOHAN M. , TANDON J. P. , GUPTA N. S.
Published: May 2016

Die 1:3‐molare Umsetzung von Lanthanoid(III)‐chlorid oder ‐nitrat mit dem Titeloxim in 2,2‐Dimethoxypropan/Ethanol unter Rückfluß ergibt die achtfach‐koordinierten, monokationischen Komplexe (I).
ChemInform Abstract: Electrochemistry of Porphyrins Containing a Metal ‐ Metal Bond. Reactions of "Carbenoid" (TpTP)GeFe(CO)4 and (TpTP)SnFe(CO)4.
Authors: KADISH K. M. , BOISSELIER‐COCOLIOS B. , SWISTAK C. , BARBE J. M. , GUILARD R.
Published: May 2016

Both the complexes (TpTP)MFe(CO)4 (M: Ge, Sn, TpTP is the meso‐tetra‐p‐tolylporphyrin dianion) are reversibly and diffusion‐controlled reduced in two single‐electron‐transfer steps (at ‐ l.O5/ ‐ 1.45 Vand ‐ l.OO/ ‐ 1.39 V, resp., versus SCE).
ChemInform Abstract: Monodentate‐N Coordination of 1‐Aza‐4‐oxo‐1,3‐butadienes
Authors: VAN VLIET M. R. P. , VAN KOTEN G. , VAN BEEK J. A. M. , VRIEZE K. , MULLER F. , STAM C. H.
Published: May 2016

Reaction of dimeric (I) with l‐aza‐4‐oxo‐1,3‐butadienes (II) results in formation of mononuclear complexes (II).
ChemInform Abstract: New Approach to Polyisoprenepolyols Possessing Glycerol Termini by Using a Highly Oxygenated C5‐Unit.
Authors: SUZUKI S. , FUJITA Y. , KOBAYASHI Y. , SATO F.
Published: May 2016

Das Allylacetat (I) liefert über (II) das Epoxid (III), das in Gegenwart eines Pd‐Katalysators mit Benzaldehyd (IV) zum Dioxolan (V) reagiert.
ChemInform Abstract: Exaggerated Grain Growth in ZrO2‐Toughened Al2O3.
Authors: KIBBEL B. , HEUER A. H.
Published: May 2016

Annealing of ZrOZ‐toug hened Al2O3 (ZTA) at elevated temp. causes growth of both the intergranular ZrO;, particles and the Al2O3 "matrix" grains.
ChemInform Abstract: Strength‐Toughness Relations in Sintered and Isostatically Hot‐Pressed ZrO2‐Toughened Al2O3.
Authors: HORI S. , YOSHIMURA M. , SOMIYA S.
Published: May 2016

Postsintering pressing of fine‐grained undoped lrOz‐thoughened Al2O3 (ZTA) was conducted to investigate the mechanical property changes caused by removal of pores and probable reduction of microcracks.
ChemInform Abstract: Characterization of Synthetic and Naturally Occurring Clays by 27Al and 29Si Magic‐Angle Spinning NMR Spectroscopy.
Authors: KOMARNENI S. , FYFE C. A. , KENNEDY G. J. , STROBL H.
Published: May 2016

Three Synthetic clays (fluorphlogopite, mica‐montmorillonite, laponite) and five naturally occurring clay minerals (mqntmorillonite, hectorite, saponite, chlorite, muscovite) have been investigated by the title method.
ChemInform Abstract: NO Electrosorption on Palladium. In‐Situ Infrared Evidence for the Bent Nitrosyl Species.
Authors: SOLOMUN T.
Published: May 2016

The NO electrosorption on a smooth polycrystalline Pd electrode in acidic solutions has been studied in situ by potential‐modulated IR reflection absorption spectroscopy (EMIRS).
ChemInform Abstract: Solid‐State 27Al and 29Si Magic‐Angle Spinning NMR of Aluminosilicate Gels.
Authors: KOMARNENI S. , ROY R. , FYFE C. A. , KENNEDY G. J. , STROBL H.
Published: May 2016

The environment of the Al and Si atoms of diphasic and single‐phase aluminosil:icate gels has been determined by the title methods.
ChemInform Abstract: N‐Phenyl N‐Pyridyl and N‐(2,3‐Dioxocyclobutenyl)‐Substituted S,S‐Dialkylsulfur Diimides.
Authors: RIED W. , PAULI R.
Published: May 2016

Schwefeldiimide des Typs (I) lassen sich mit einer Reihe von Verbindungen zu den im Formelschema aufgeführten Produkten umsetzen.
ChemInform Abstract: Photo‐Induced Carbon‐Carbon Bond Formation: Reactions of 2‐Thiopyridones and ‐Quinolinethiones with Alkenes.
Authors: NISHIO T. , OMOTE Y.
Published: May 2016

Die photochemische Addition der 2‐Thiopyridone (I) an Alkene (II) führt über eine [2 + 2]‐Cycloaddition zu Mercaptanen (III).
ChemInform Abstract: Chelation‐ and Non‐Chelation‐Controlled Additions to 2‐O‐Benzyl‐3‐O‐ (tert‐butyldimethylsilyl)glyceraldehyde.
Authors: REETZ M. T. , KESSELER K.
Published: May 2016

Grignard‐Reaktionen und Aldol‐Additionen mit dem aus dem Mannitol‐Derivat (I) gemäß Reaktionsschema hergestellten zweifach O‐blockierten Glycerinaldehyd (V) verlaufen je nach Art des eingesetzten metallorganischen Reagenses chelat‐ oder nicht‐chelat‐kontrolliert stereoselektiv zu den syn‐ (VIII) bzw. (XI) oder anti‐Addukten (IX) bzw. (XII).
ChemInform Abstract: Palladium‐Catalyzed Carbonylation of Alkynes. Part 2. Aspects of Additive, Oxidative, and Reductive Carbonylation.
Authors: CHIUSOLI G. P. , COSTA M. , PERGREFFI P. , REVERBERI S. , SALERNO G.
Published: May 2016

Die Reaktionen der Alkine (I), (VIII), (XIV), (XIX) und (XXI II) mit CO (VII) in Methanol unter Pd‐Katalyse ergeben die aufgeführten Produkte.
ChemInform Abstract: 3,3,3‐Trifluoropropan‐1‐ol and 3,3,3‐Trifluoropropanal.
Authors: GOLDING B. T. , SELLARS P. J. , WATSON W. P.
Published: May 2016

Auf dem skizzierten Weg werden die beiden im Titel genannten Verbindungen (IV) und (V) synthetisiert.
ChemInform Abstract: Synthesis of 2‐(o‐Chlorophenyl)‐2‐methylaminocyclohexanone Hydrochloride.
Authors: POSLINSKA H. , PALANOWSKI R.
Published: May 2016

The synthesis of the title compound (V) has been carried out starting from the compounds (Ic) [from (Ia) via (Ib)] and (IIb) [from (IIa)] via the intermediates shown in the scheme.
ChemInform Abstract: 1,3‐Dipolar Cycloaddition of 2‐Diazopropane to 1‐Phenyl‐bis‐s‐triazolo[4,3‐b:3′,4′‐f]pyridazine. The Synthesis of 11,11‐Dimethyl‐11H‐pyrazolo[3,4‐d]bis‐s‐triazolo[4,3‐b:3′4′‐f]pyridazines, Derivatives of a Novel Heterocyclic System.
Authors: FURLAN B. , STANOVNIK B. , TISLER M.
Published: May 2016

Die Cycloaddition von 2‐Diazopropan (II) an den Heterocyclus (I) führt zum Isomerengemisch der Cycloaddukte (IIIa) und (IIIb), deren Strukturen durch unabhängige Synthesen bewiesen werden.
ChemInform Abstract: Heterocyclic Amplifiers of Phleomycin. Part 10. Derivatives of Diazine Mono‐ and Di‐thiols.
Authors: BARLIN G. B. , BROWN D. J. , CRONIN B. J. , NGU M.
Published: May 2016

The pyrazinethiols (IVa)‐(IVc) are prepared either by reaction of the corresponding chlorides (I) with thiourea (II) or by treatment of the corresponding hydroxy compounds (III) with P285.
ChemInform Abstract: 2,3‐Bis[triphenylphosphoniomethyl]piperazine. Precursor of a New Heterocyclic Bis‐ Wittig Reagent.
Authors: CRISTAU H.‐J. , CHICHE L. , PLENAT F.
Published: May 2016

Durch Addition von Ethylendiamin (II) an 1,4‐Butadienylenbis‐phosphoniumsalz (I) entsteht ein Piperazin‐bis‐phosphoniumsalz (III), das durch Olefinierungsreaktionen zu neuen Piperazin‐Derivaten (IV) umgesetzt wird; diese können zu den Derivaten (V) hydriert werden.
ChemInform Abstract: Reactions of 2,3‐Diamino‐4(3H)‐pyrimidinones. Part 2.
Authors: HLAVKA J. J. , BITHA P. , LIN Y. , STROHMEYER T.
Published: May 2016

Aus den Diamino‐pyrimidinonen (III) erhält man mit zahlreichen Dioxo‐ Verbindungen (II), (IV), (VII), (VIII) oder (X) die entsprechenden Cyclisierungsprodukte (I), (V), (VI), (IX) oder (XI), aus (XIII) und (II) ist analog Verbindung (XII) zugänglich.
ChemInform Abstract: A Detailed, Convenient Preparation of Dimethyl l,2,4,5‐Tetrazine‐3,6‐ dicarboxylate.
Authors: BOGER D. L. , COLEMAN R. S. , PANEK J. S. , HUBER F. X. , SAUER J.
Published: May 2016

Die im Titel genannte Verbindung (IV) wird in einer vierstufigen Synthese aus Diazoessigsäureester (I) hergestellt.
ChemInform Abstract: Dioxopyrrolines. Part 35. Synthesis of 2H‐Azepin‐2‐ones (2‐Azatropones).
Authors: SANO T. , HORIGUCHI Y. , TANAKA K. , TSUDA Y.
Published: May 2016

Die Azabicycloheptanone (I) werden durch Behandlung mit DBU zu (II) und durch anschließende Dehydrierung zu den Azepinonen (III) umgesetzt.
ChemInform Abstract: Chemistry of Boron. Part 168. Synthesis and Structure of Azadiboriridines.
Authors: DIRSCHL F. , HANECKER E. , NOETH H. + , RATTAY W. , WAGNER W.
Published: May 2016

Die Titelverbindungen (IV) werden durch Enthalogenierung der Haloborierungsprodukte (III) von Aminoiminoboran (I) und den Aminobordihalogeniden (II) mittels einer Na/K‐Legierung synthetisiert.
ChemInform Abstract: Optically Active α‐Chloro‐(E)‐crotylboronic Acid Esters via Allylic Rearrangement.
Authors: HOFFMANN R. W. , DRESELY S.
Published: May 2016

Silylation and hydroboration of the butinol (I), followed by oxidation and esteri‐ fication with pinacol (II), gives (III), which is converted to its Chloride (IV).
ChemInform Abstract: Novel Basic Ligands for the Homogeneous Catalytic Homologation of Methanol to Ethanol.
Authors: LINDNER E. , SCHEYTT C.
Published: May 2016

Die wie aufgezeichnet aus den Silylphosphinen (I) und Furfurylbromid (II) gebildeten Furfurylphosphoniumsalze (III) werden durch LiAlH4 zu den gewünschten Titelverbindungen (IV) abgebaut.
ChemInform Abstract: Synthesis and Characterisation of Tungsten and Rhenium Aluminopolyhydrides: X‐Ray Crystal Structures of (Me3P)3H3W(μ‐H)2Al(H)(μ‐OBu)2Al(H)(μ‐H)2WH3(PMe3)3 and (Me3P)3H3W(μ‐H)2Al(H)(μ‐H)2WH3(PMe3)3.
Authors: BARRON A. R. , LYONS D. , WILKINSON G. , MOTEVALLI M. , HOWES A. J. , HURSTHOUSE M. B.
Published: May 2016

The reaction of WCl4(PMe3)3 with LiAlH4 in refluxing THF (48 h) leads to one of the title compounds, (Ia) (with bridging butoxide groups arising from the cleavage of THF by aluminium hydride), whereas in Et2O (20°C, 2h) the product (Ib) is formed.
ChemInform Abstract: Tertiary Phosphine Aluminohydride Complexes of Ruthenium(II) and Osmium(II).
Authors: BARRON A. R. , WILKINSON G.
Published: May 2016

The interaction of Ru or Os complexes (I) or (III) with LiAlH4 has afforded the title compounds (II).
ChemInform Abstract: Chemistry of Transition Metal Alkyl Compounds. Part 44. Formation of Tetraorganylzirconates(II).
Authors: KRUEGER A. + , THIELE K.‐H.
Published: May 2016

Zirconiumtetraorganyls such as (I) are reduced by n‐butyl Li with formation of dilithium tetraorganyl zirconates(II).
ChemInform Abstract: Novel Octahedral Silicium and Germanium Complexes with Hexadentate Diphenol Ligand.
Authors: WOLFF B. , WEISS A.
Published: May 2016

The 1:1 molar reaction of Si(OEt)4 or GeCl4 with tris[(2,3‐dihydroxyphenoxy)propyl]ammonium Chloride in the presence of NEt3 in refluxing MeOH under N2 atmosphere yields the crystalline cationic Complexes (Ia) and (Ib), respectively.
ChemInform Abstract: Triple‐Decker Complexes. Part 4. Synthesis of Anionic Triple‐Decker Complexes Having Closed 30c Valence Shells by Stacking of Sandwich Anions with Cr(CO)3 Fragments.
Authors: HERBERICH G. E. , HESSNER B. , HOWARD J. A. K. , KOEFFER D. P. J. + , SAIVE R.
Published: May 2016

(Borol)metall‐Sandwich‐Anionen (I) lassen sich durch Reaktion mit dem 12e‐Baustein Cr(CO)3 zu Tripeldecker‐Anionen (II) aufstocken.
ChemInform Abstract: The Ferrocenylmethyl (Fem) Group as a Highly Lipophilic and Chromophoric Group for Masking Peptide Bonds.
Authors: ECKERT H. , SEIDEL C.
Published: May 2016

While the reduction of the aldehyde (I) is a slow reaction, the hydrogenation of the azomethines (III), formed with the amino acid esters or salts (II), in the presence of a Pd(II) catalyst proceeds quickly and without racemization to give the (yellow) Fem‐amino acid derivatives (IV).
ChemInform Abstract: Chiral α‐Ferrocenylalkylamines.
Authors: HERRMANN R. , HUEBENER G. + , SIGLMUELLER F. + , UGI I.
Published: May 2016

Die Ferrocenylalkylamine (IVa) und (IVb) mit zwei Chiralitätszentren wurden ‐ wie im Schema aufgezeigt ‐ dargestellt.
ChemInform Abstract: CF2‐Bridged Metal Complexes.
Authors: SCHULZE W. , HARTL H. , SEPPELT K.
Published: May 2016

Two examples are given which prove the stepwise decarbonylation of difluoromalonyl metal complexes to be an effective route of general utility for the synthesis of the title compounds.
ChemInform Abstract: Heteronuclear "Star Clusters"; [Ni2Pt2W4(μ3‐CPh)4(CO)8(η‐C5H5)4] and [Ni2Pt2W4(μ2‐CR)(μ3‐CR)3(CO)8(η‐C5H5)4] (R = Ph or p‐C6H4CH3).
Authors: ELLIOTT G. P. , HOWARD J. A. K. , MISE T. , NUNN C. M. , STONE F. G. A.
Published: May 2016

Aus der Reaktion der Dreikernkomplexe (Ia) bzw. (Ib) mit (II) werden in Gesamtausb.
ChemInform Abstract: Reactivity of Carbon Suboxide Toward (PPh3)2Pt(C2H4): a Chameleonic Behaviour.
Authors: PANDOLFO L. , MORANDINI F. , PAIARO G.
Published: May 2016

Carbonsuboxide, C302, reacts with the Pt(O) complex (II) showing different behaviours.
ChemInform Abstract: Methods for the Preparation of Alkyl 1,2‐Orthoacetates of D‐Glucopyranose and D‐ Galactopyranose in High Yield.
Authors: TSUI D. S. K. , GORIN P. A. J.
Published: May 2016

In Gegenwart einiger Silbersalze entstehen aus den Glykosylhalogeniden (I) die im Titel genannten Orthoester (II) mit guten Ausbeuten.
ChemInform Abstract: Synthesis of Pseudo‐Oligosaccharide Glycosidase Inhibitors. Part 4.
Authors: OGAWA S. , IWASAWA Y. , TOYOKUNI T. , SUAMI T.
Published: May 2016

Die Kondensation der aus dem Azid (II) dargestellten Aminozucker (I) und (IV) mit dem Cyclohexan‐Derivat (V) führt zu den isomeren Pseudodisacchariden (VI), (VIII), (X) und (XII).
ChemInform Abstract: Semisynthetic β‐Lactam Antibiotics. Part 6. Synthesis and Antimicrobial Activity of α‐Hydrazonobenzylcephalosporins.
Authors: MONGUZZI R. , PINZA M. , PIFFERI G. , VISCONTI M. , BROCCALI G.
Published: May 2016

Die Hydrazone (Ia) und (Ib) reagieren mit den Aminocephalosporansäureestern (IIa) und (IIb) bei nachfolgender saurer Ver‐ 185 seifung zu den E‐isomeren Cephalosporinen (IIIa) und (I IIb), von denen (IIIa) mit Mercaptanen (IV) in die Thiomethyl‐cephalosporine (IIIc) und (IIId) umgewandelt werden.
ChemInform Abstract: Far‐lnfrared Spectrum of Solvated Lithium Cations in Dimethyl Sulfoxide.
Authors: CHANG S. , SCHMIDT P. P. , SEVERSON M. W.
Published: May 2016

The far‐IR spectra of solutions of LiCl, Lißr, Lil, LiBF4, and LiClO4 in DMSO at 298 and 1 10 K are obtained and the spectral maxima are calculated.
ChemInform Abstract: Electron‐microscopic Observation of Photodeposited Pt on TiO2 Particles in Relation to Photocatalytic Activity.
Authors: NAKAMATSU H. , KAWAI T. , KOREEDA A. , KAWAI S.
Published: May 2016

The factors determining the spatial distribution of Pt deposits on TiO2 particles are identified and the photocatalytic activity is discussed for TiO2 powders with different degrees of Pt dispersion.
ChemInform Abstract: Generation of Cyclopropanone‐Oxyallyl Intermediates from α‐Mesyloxyketones: [4+3]Cycloadditions to Furan and Cyclopentadiene.
Authors: FOEHLISCH B. + , HERRSCHER I.
Published: May 2016

The hydroxyketones (I) are converted to their methane sulfonates (II).
ChemInform Abstract: Photochemical Transformations. Part 65. The 3σ → 3π Route to 1H‐Azepines/Benzene Imines.
Authors: PRINZBACH H. , BINGMANN H. , FRITZ H. , MARKERT J. , KNOTHE L. , EBERBACH W. , BROKATZKY‐GEIGER J. , SEKUTOWSKI J. C. , KRUEGER C. +
Published: May 2016

The azanorbornadienes (IIIc), (IIId) and (IIIf) are obtained by reaction of the pyrroles (I) with (II).
ChemInform Abstract: Rapid Olefin Hydrogenation Catalyzed by Anion‐Promoted Ruthenium Clusters.
Authors: ZUFFA J. L. , BLOHM M. L. , GLADFELTER W. L.
Published: May 2016

Hydrogenation of terminal, unactivated olefins such as (I) can be carried out in the presence of an isocyanate‐promoted Ru Cluster, prepared directly from Ru3(CO)12 and bis(triphenylphosphine)iminium isocyanate.
ChemInform Abstract: Reduction of Allylic Acetates by Using a Novel Pd(0)‐SmI2 System.
Authors: TABUCHI T. , INANAGA J. , YAMAGUCHI M.
Published: May 2016

Cinnamylacetat (I) wird mit Smlz, Isopropanol und katalytischen Mengen an Pd(O)‐Verbindungen zu den Olefinen (II) und (III) reduziert, die zu gleichen Anteilen auch aus dem isomeren Acetat (IV) erhalten werden.
ChemInform Abstract: Some Properties of Fluorinated α,β‐Unsaturated Sulphones.
Authors: FOKIN A. V. , KOLOMIETS A. F. , SHKURAK S. N. , KONDRASHOV N. V. , MUKHAMETSHIN F. M.
Published: May 2016

The title compounds (I) react smoothly with carbon acids in the presence of bases to form the monoalkylation products (II)‐(IV).
ChemInform Abstract: A One‐Step Synthesis of ω‐Hydroxyacetylenic Carboxylic Acids.
Authors: COSSY J. , PETE J. P.
Published: May 2016

Die Alkinole (I) reagieren mit den w‐Halogen‐carbonsäuren (II) in Gegenwart von Butyllithium überwiegend zu den Hydroxy‐alkincarbonsäuren (III) neben den Dehydrohalogenierungsprodukten (IV).
ChemInform Abstract: Stereochemical Control in Type I Intramolecular Ene Reactions of 1,6‐Dienes: Trends in Reactivity and Selectivity Upon Substitution.
Authors: GHOSH S. K. , SARKAR T. K.
Published: May 2016

Das Dimethylallylbromid′ (I) reagiert über eine Grignard‐Addition und anschließende Oxidation zum Aldehyd (II), der durch Umsetzung mit dem Phosphonsäureester (IV) bzw. Malonester (V) zu den Dienen (IIIa) bis (IIIc) führt.
ChemInform Abstract: Oxidative Coupling. Part 3. The DUCO Reaction.
Authors: BELLETIRE J. L. , SPLETZER E. G.
Published: May 2016

Aus den Dianionen (I) erhält man mit Natriumiodacetat (II) die Amidsäure (III).
ChemInform Abstract: Studies on Quinones. Part 15. A Convenient Entry into the Tetrahydrophenanthrene‐ 1,4‐quinone System Utilizing the Dienone‐phenol Rearrangement of Spiro [Cyclopentanenaphthalene] Triones.
Authors: CASSIS R. , SCHOLZ M. , TAPIA R. , VALDERRAMA J. A.
Published: May 2016

Bei der Oxidation des Hydrochinons (I) entsteht das Chinon (II), das mit Acetanhydrid/konz.
ChemInform Abstract: Sustained Epoxidation of Olefins by Oxygen Donors Catalyzed by Transition Metal Substituted Polyoxometalates, Oxidatively Resistant lnorganic Analogues of Metalloporphyrins.
Authors: HILL C. L. , BROWN R. B. JUN.
Published: May 2016

Oxidation of cyclohexene (I) is carried out using transition metal substituted heteropolytungstates or other transition metal‐based catalysts and iodosylbenzene derivatives as oxygen donors.
ChemInform Abstract: A New Reductive Acylation of Azetidinone Disulphide in the Route to Penems.
Authors: BATTISTINI C. , SCARAFILE C. , VIOGLIO S. , PERRONE E. , FRANCESCHI G.
Published: May 2016

Aus dem Penam‐1‐oxid (I) erhält man mit 2‐Mercapto‐benzthiazol (II) das Disulfid (III), das mit Carbamoyloxyessigsäureanhydrid (IV) in den Thiolester (V) übergeführt wird.
ChemInform Abstract: A New Reaction of Acetylenes, the Addition of Methanol to 5‐Hydroxyhex‐ 3‐yn‐ 2‐one. Synthesis of the "Onion Furanone", 2‐Hexyl‐5‐methyl‐3[2H]furanone.
Authors: THOMAS A. F. , DAMM H.
Published: May 2016

Die Acetylen‐bis‐carbinole (I) werden mit Wasserstoffperoxid in Gegenwart von Wolframat zu den Keton‐alkoholen (II) oxidiert, die mit Methylat zu den isomeren Tetrahydrofuranen (III) und (IV) cyclisiert werden können.
ChemInform Abstract: Syntheses and H2‐Antagonistic Activity of 1,3,4‐Thiadiazole‐2,5‐diamines.
Authors: WEGNER K.
Published: May 2016

Die primären Amine (I) werden mit dem Bromthiadiazblamin (II) zu den Thiadiazoldiaminen (III) umgesetzt, und die Histamin H2‐antagonistische Wirkung wird untersucht.
ChemInform Abstract: An Improved Synthesis of Racemic Parasorbic Acid.
Authors: EICHER T. , GRAF R. , PICK R.
Published: May 2016

Das TH P‐geschützte Pentinol (I) wird nach der angegebenen Reaktionsfolge in Parasorbinsäure (IV) übergeführt.
ChemInform Abstract: Dimerization of 2‐Arylpropene‐1,1‐dicarbonitriles.
Authors: ABRAMENKO YU. T. , IVASHCHENKO A. V. , NOGAEVA K. A. , ANDRONOVA N. A. , PUTSYKINA E. B.
Published: May 2016

The title compounds (I) dimerize in the presence of basic catalysts to form the aminocyclohexadienes (IIa) and (IIb).
ChemInform Abstract: Directed Ortho Metalation of O‐Pyridyl Carbamates. Regiospecific Entries into Polysubstituted Pyridines.
Authors: MIAH M. A. J. , SNIECKUS V.
Published: May 2016

Durch o‐Metallierung der O‐Pyridylcarbamate (II), (VI) und (X) und nachfolgende Einwirkung von Elektrophilen (I) werden regiospezifisch die substituierten Carbamate (III), (VII) und (XI) erhalten.
ChemInform Abstract: Cardiotonic Agents. Part 3. Synthesis and Biological Activity of Novel 6‐(Substituted 1H‐Imidazol‐4(5)‐yl)‐3(2H)‐pyridazinones.
Authors: SIRCAR I. , BOBOWSKI G. , BRISTOL J. A. , WEISHAAR R. E. , EVANS D. B.
Published: May 2016

Aus den Imidazol‐aldehyden (I) werden über (II), (IVa) und (IVb) die Dihydropyridazinone (V) hergestellt, die zu den Pyridazinonen (VI) dehydriert werden.
ChemInform Abstract: 4,5‐Disubstituted Pyridazin‐3(2H)‐ones as Hypotensive Drugs: Incorporation of a β‐Blocking Moiety.
Authors: GOMEZ‐GIL M. C. , GOMEZ‐PARRA V. , SANCHEZ F. , TORRES T.
Published: May 2016

Die 4;5‐Dihalogenpyridazinone (I) werden nach dem im Formelschema angegebenen Verfahren in die 4,5‐disubstituienen Pyridazinone (V) und (VI) übergeführt, die hypotensive und β‐blockierende Wirkung besitzen.
ChemInform Abstract: Conformationally Restricted Inhibitors of Angiotensin Converting Enzyme: Synthesis and Computations.
Authors: THORSETT E. D. , HARRIS E. E. , ASTER S. D. , PETERSON E. R. , SNYDER J. P. , SPRINGER J. P. , HIRSHFIELD J. , TRISTRAM E. W. , PATCHETT A. A. , ULM E. H. , VASSIL T. C.
Published: May 2016

Als cyclische Analoga des ACE‐Inhibitors Enalaprilat (I) werden die Lactamdicarbonsäuren (IIa)‐(IIe‐) aus den Estern (III) hergestellt.
ChemInform Abstract: Alkylation of o‐Carborane by Ester Pyrolysis.
Authors: ALBAGLI D. , ZHENG G. , JONES M. JUN.
Published: May 2016

Pyrolysis of the o‐carboranes (I) in the presence of the esters (II) or (III) in sealed tubes at 200‐275°C produces the 9‐alkyl‐o‐carboranes (IV) in reasonable yield (not given).
ChemInform Abstract: Bora‐Aromatic Systems. Part 8. Physical and Chemical Consequences of Cyclic Conjugation in Boracyclopolyenes.
Authors: EISCH J. J. , GALLE J. E. , KOZIMA S.
Published: May 2016

Die gewünschten tiefblauen Borole (VI) lassen sich am besten auf dem beschriebenen Reaktionsweg ausgehend von den Acetylenen (I) synthetisieren.
ChemInform Abstract: First Insertion of NO into a Transition‐Metal Cluster‐‐‐Carbon Bond: Regioselective Formation, Structure, and Reactions of the First Alkanenitrile Oxide Complexes.
Authors: GOLDHABER A. , VOLLHARDT K. P. C. , WALBORSKY E. C. , WOLFGRUBER M.
Published: May 2016

The clusters (I) are converted into the corresponding adducts (II).
ChemInform Abstract: Xanthine Complexes with 3d Metal Perchlorates.
Authors: MIKULSKI C. M. , KURLAN M. K. , BAYNE M. , GAUL M. , KARAYANNIS N. M.
Published: May 2016

The title complexes (I)‐(IV) are prepared by refluxing mixtures of ligand and metal salt in ethyl acetate/triethyl orthoformate.
ChemInform Abstract: Solution Chemistry of Silver Porphyrins. Oxidation of 5,10,15,20‐Tetra(3′‐N‐methylpyridinio)porphyrinatodisilver(I).
Authors: OKOH J. M. , KRISHNAMURTHY M.
Published: May 2016

The peroxodisulphate oxidajion of the title compound to the 1:1 silver(II) complex has been investigated at 25°C by spectro‐ ( 142 photometry.
ChemInform Abstract: Pentacyclo[12.2.2.22,5.26,9.210,13]‐1,5,9,13‐tetracosatetraene and Its Reaction with AgOTf. Synthesis of a Square‐Planar d10 Organometallic Complex.
Authors: MCMURRY J. E. , HALEY G. J. , MATZ J. R. , CLARDY J. C. , MITCHELL J.
Published: May 2016

The title te‐traene (VII) is prepared as shown in the scheme starting from the tetramethylenemonoacetal of 1,4‐cyclohexanedione (I).
ChemInform Abstract: Synthesis of Naturally Occurring Geranylgeraniol Derivatives.
Authors: KRAMP W. , BOHLMANN F.
Published: May 2016

The key step in the syntheses of three alicyclic diterpenes is the coupling reaction of appropriate sulfones and chlorides.
ChemInform Abstract: Steroids. Part 319. Synthesis of, 5,6‐Cyclopropanocholestanes with Oxygen Functions in Positions 3 and 7.
Authors: KOHOUT L.
Published: May 2016

Applying method A), the allylic alcohols (I) are transformed to title compounds of type (II) and (IV).
ChemInform Abstract: Steroids. Part 321. Brassinosteroids with a Cholestane Side Chain.
Authors: KOHOUT L. , STRNAD M.
Published: May 2016

The preparation of the compounds (IV) and (V) from the bromo ketone (1) via the intermediate (II) has proved to be more economical than that Starting from the enone (VI).
ChemInform Abstract: The Structural Assignment of N‐Acylkansosamine, 4,6‐Dideoxy‐4‐[(R)‐2‐methoxypropanamido]‐3‐C‐methyl‐2‐O‐methyl‐L‐mannopyranose, by Chemical Synthesis.
Authors: YOSHIMURA J. , SATO K. , AQEEL A. , SINGH R. B. , HASHIMOTO H.
Published: May 2016

Dem im Titel genannten verzweigten Aminozucker wird aufgrund spektroskopischer Vergleiche mit den wie angegeben synthetisierten (R)‐ und (S)‐Isomeren sowie den Acetaten (VIb) und (V,Ic) die Struktur (VIa) zugeordnet.
ChemInform Abstract: Selective Acylation of 6‐Deoxyglycals.
Authors: HORTON D. , PRIEBE W. , VARELA O.
Published: May 2016

L‐Rhamnal (I) kann unter verschiedenen Bedingungen selektiv acyliert werden, wobei die Ausbeuten der Produkte (II)‐(IV) von den jeweiligen Reaktionsbedingungen abhängen.
ChemInform Abstract: Synthesis of the Methyl and l‐Octyl Glycosides of the P‐Antigen Tetrasaccharide (Globotetraose).
Authors: LEONTEIN K. , NILSSON M. , NORBERG T.
Published: May 2016

Durch Blocksynthese des aus (I) erhältlichen Disaccharid‐Derivats (IIe) mit dem aus (III) wie angegeben dargestellten Thioglykosid (V) ist das Globotetraose‐Derivat (VI) zugänglich.
ChemInform Abstract: N‐Glycosides. Part 5. 3‐Glycosyl‐4‐oxy‐hexahydropyrimidine‐2‐thiones and Their Acyclic Precursors.
Authors: IGNATOVA L. A. , SHUTALEV A. D. , UNKOVSKII B. V. , SINILOVA N. G. , DUPLISHCHEVA A. P.
Published: May 2016

Das Ribosylchlorid (I) reagiert mit Silberrhodanid zum Thiocyanat (II), aus dem mit Aminen (III) bzw. (VII) die Thioharnstoffe (IV) bzw. (VIII) erhalten werden.
ChemInform Abstract: A Chiral Nitronate Dianion from D‐Glyceraldehyde. Enantiospecific Syntheses of 2,3‐Dideoxy‐3‐nitro Furanosides and Pyranosides.
Authors: WILLIAMS T. M. , MOSHER H. S.
Published: May 2016

Aus dem (D)‐GIycerinaldehyd‐ Derivat (I) erhält man über das Oxim bei der Oxidation die Nitroverbindung (II), die zu (III) und (IV) substituiert wird.
ChemInform Abstract: Synthesis of Sphingosines. Part 2. Synthesis of D‐erythro‐Sphingosines.
Authors: SCHMIDT R. R. , ZIMMERMANN P.
Published: May 2016

Der aus D‐Galaktose über (I) zugängliche Aldehyd (II) reagiert nach Wittig zum Olefin (IV), das über das Azid (V) in das Czo‐Sphingosin (VI) und weiter in die Acylverbindung (VIII) übergeführt wird.
ChemInform Abstract: A General Highly Efficient Access to Prenylated Phenolic Natural Products. Synthesis of Colletochlorins B and D.
Authors: SAIMOTO H. , HIYAMA T.
Published: May 2016

3‐Penten‐2‐on (I) und der Malonester (II) werden unter basischen Bedingungen zum Cyclohexenon (III) kondensiert, das auch aus dem Crotonsäureester (IV) und dem Acetessigsäureester (V) erhalten werden kann.
ChemInform Abstract: Chiral Allenylboronic Esters as a Practical Reagent for Enantioselective Carbon‐Carbon Bond Formation. Facile Synthesis of (‐)‐Ipsenol.
Authors: IKEDA N. , ARAI I. , YAMAMOTO H.
Published: May 2016

Allenylboronic acid (III) is a rather stable compound, which, in hexane solution, can be stored at ‐20°C for several weeks.
ChemInform Abstract: On Mixed Crystals K2M′X6‐K2M"Y6. Part 6. The System K2OsCl6 ‐ K2OsBr6.
Authors: MUELLER H. + , BEKK P.
Published: May 2016

Dropwise addition of concentrated solutions o1" KzOsClö and KZOSBTÖ into ethanol yields mixed crystals which are free of mixed hexachlorobromoosmates, OsBr"Clä:" (n: l‐5).
ChemInform Abstract: High‐Pressure DTA Apparatus with Liquid or Gaseous Pressure Medium.
Authors: YAMAMURO O. , OGUNI M. , MATSUO T. , SUGA H.
Published: May 2016

For studies on the phase behavior of crystalline materials u new high‐pressure DTA apparatus has been developed, which operatcs under constant pressure up to 200 MP2: in thylpentane or gaseous helium as the pressure medium.
ChemInform Abstract: Influence of the Valve Metal Oxide on the Properties of Ruthenium Based Mixed Oxide Electrodes.
Authors: DE BATTISTI A. , BRINA R. , GAVELLI G. , BENEDETTI A. , FAGHERAZZI G.
Published: May 2016

Microstructural investigations of RuO2/Ta2O5 mixed oxide electrodes show the existence of a RuO2 rutile phase und a Ta2O5 amorphous phase.
ChemInform Abstract: Electrolytic Deposition of Bismuth on CdS(000l) Single‐Crystal Surfaces.
Authors: ELMORSI M. A. , JUETTNER K. +
Published: May 2016

The initial stage of Bi deposition on CdS surface (from aqueous 0.5 M NaClO4 + xM Bi(ClO4)3 solutions at pH 2) follows a progressive nucleation model with diffusion control of the Bi" transfer at three‐dimensional growth centres.
ChemInform Abstract: A Crystal Structure Survey of the Geometry of the Methoxyphenyl Group.
Authors: NYBURG S. C. , FAERMAN C. H.
Published: May 2016

The Cambridge Structural Database has been used to retrieve Ihe geometry of the methoxyphenyl group as determined in 212 crystal structure analyses.
ChemInform Abstract: Complexation of Divalent and Trivalent Nickel and Copper Ions by Rigid and Flexible Dioxo Tetraaza Macrocycles.
Authors: FABBRIZZI L. , KADEN T. A. , PEROTTI A. , SEGHI B. , SIEGFRIED L.
Published: May 2016

Potentiometric, spectrophotometric, kinetic, and electrochemical studies on the Ni(II) and Cu(II) complexes with the macrocycles (I) and (II) are performed to investigate the importance of the flexibility of the macrocyclic ring to the properties of the corresponding complexes.
ChemInform Abstract: Catalysis of Hydride Transfer in Strong Acids.
Authors: KRAMER G. M.
Published: May 2016

Adamantane and its derivatives (I) are employed as hydride transfer catalysts in the isomerization oÜ‐methylpentane to 2‐methylpentane in conc.
ChemInform Abstract: Asymmetric Synthesis. Part 7. Enantiospecific Preparation of β‐Aminoalcohols from the N‐Cyanomethyl‐4‐phenyl‐1,3‐oxazolidine Synthon.
Authors: MARCO J. L. , ROYER J. , HUSSON H.‐P.
Published: May 2016

Das N‐Cyanomethyl‐oxazolidin (I) wird zu (III) substituiert und dann zum Anomerengemisch (IV) cyclisiert.
ChemInform Abstract: Sequential Michael‐Michael Ring Closure Reactions for 3‐Different‐Component, One‐Pot, [2+2+2] Construction of Acylcyclohexenes and an Acylcyclohexanol.
Authors: POSNER G. H. , LU S.‐B. , ASIRVATHAM E.
Published: May 2016

Die Enolate (I) reagieren mit den Vinylketonen (II) in Gegenwart von Triethylbor (III) und Vinyl‐triphenylphosphoniumbromid (IV) zu den Addukten (V).
ChemInform Abstract: Cyclopropanol Formation via β‐Hydrogen Atom Abstraction: The Five Membered Transition State Analogue of the Norrish Type II Reaction.
Authors: ARIEL S. , ASKARI S. H. , SCHEFFER J. R. , TROTTER J.
Published: May 2016

Das Diels‐Alder‐Addukt (III) aus o‐Chinodimethan (I) und Naphthochinon (II) bildet bei Photolyse das Cyclopropanol (IV), aus dem durch Sekundärphotolyse der Ketoaldehyd (V) und das Lacton (VI) entstehen.
ChemInform Abstract: Thermodynamics and Kinetics of Carbon‐Carbon Bond Formation and Heterolysis Through Reactions of Carbocations with Carbanions in Solution.
Authors: ARNETT E. M. , MOLTER K.
Published: May 2016

Rate data are presented for the heterolysis of carbon ‐ carbon bonds and their formation through coordination of resonance‐stabilized carbocations and carbanions in acetonitrile solution at 25°C. These rates were determined by NMR line broadening and by the Tjump technique.
ChemInform Abstract: 2,5‐Quinonemethides of 1,6‐Methano[10]annulene with the Structures of S,N‐ and N,N‐Acylketene Acetals.
Authors: NEIDLEIN R. , HARTZ G.
Published: May 2016

Reaction ofthe aldehyde (I) with methylamine (II) gi‐ Q ves the imine (III), which undergoes cleavage ofthe ether function with TosOH t0 give the quinonemethide (IV).
ChemInform Abstract: Chromium(II) Salt Mediated Reductive Transposition of an Ester Acyl Group in ortho‐O‐Acyl Benzylic Bromides: A Ready Access to Unmasked ortho‐Hydroxybenzyl Ketones and a New Route to Benzo[b]furans.
Authors: LEDOUSSAL B. , GORGUES A. , LE COQ A.
Published: May 2016

Aus den Estern (I) erhält man über intermediäre Organo‐Chrom?ID‐Komplexe in Abhängigkeit von den Reaktionsbedingungen die Ketone (II) bzw. die Benzofurane (III).
ChemInform Abstract: Boron Trifluoride Promoted Reaction of Benzenesulphenanilides with Alkenes.
Authors: BENATI L. , MONTEVECCHI P. C. , SPAGNOLO P.
Published: May 2016

The title reaction proves to be a useful synthetic method for the preparation ofarylaminosulphides.
ChemInform Abstract: Synthesis and Optical Activity of P‐(‐)‐2,7,12‐Tribromo‐3,8,13‐trihydroxycyclotribenzylene and Related Compounds. Evidence for the Nonorthogonality of the B2u und B1u Transitions in Polysubstituted Benzenes and Its Relevance of the Exciton Chirality Method.
Authors: CANCEILL J. , COLLET A.
Published: May 2016

Die Cyclotrimerisierung von 4‐Brom‐3‐meth0xybenzylalkohol (I) in Essigsäure mit 65"/oiger Perchlorsäure liefert das Racemat (II), das man mit Bortribromid zu (III) demethyliert und mit (+)‐2‐Phenoxypropionsäure in die optischen Isomeren aufspaltet.