bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: 4,8‐Bis(dicyanomethylene)‐4,8‐dihydrobenzo[1,2‐c:4,5‐c′]dithiophene.
Authors: KOBAYASHI K.
Published: May 2016

Durch Kondensation des Benzo‐dithiophen‐dions (I) mit Malo‐ dinitril (II) entsteht das gelbe Bis‐cyanomethylen‐Derivat (III), das elektrochemisch untersucht wird.
ChemInform Abstract: Synthesis of the First α‐Methylene‐β‐peroxylactone
Authors: ADAM W. , GRIESBECK A.
Published: May 2016

Regiospecific Ene Reaction of ′O2 with α,β‐Unsaturated Carboxylic Acids.
ChemInform Abstract: Highly Enantioselective Reduction of δ‐Keto Acids with Fermenting Baker′s Yeast.
Authors: UTAKA M. , WATABU H. , TAKEDA A.
Published: May 2016

Durch enantioselektive Reduktion der Ketosäuren (I) und anschließende Wasserabspaltung werden die R‐(+)‐Lactone (II) erhalten.
ChemInform Abstract: Radiomodifying Efficacy of cis‐2,6‐Diphenyltetrahydro‐thiopyrane‐4‐one Derivatives.
Authors: KIYASHEV D. K. , MUSABEKOV D. T. , ABIYUROV B. D.
Published: May 2016

Das Thiopyranon (I) reagiert mit Phosphorigsäureestern (II) bzw. Acetylen (V) zu den Thiopyran‐olen (III) bzw. (IV).
ChemInform Abstract: Synthesis and Positive Inotropic Effect of Some 5‐Substituted 5H‐[l]Benzopyrano‐ [4,3‐b]pyridines.
Authors: HEBER D. , RAVENS U.
Published: May 2016

Kondensation der Chromen‐aldehyde (I) mit den Enaminen (II) führt über die Zwischenstufe (III) zu den Benzopyranopyridinen (IV), die als Halbacetale mit Alkoholen zu den Acetalen (V), mit Aminen zu den Aminoacetalen (VI) umgesetzt werden.
ChemInform Abstract: Acrylonitrile Photoaddition on 1‐Benzyl‐1,4‐dihydronicotinamide.
Authors: ADEMBRI G. , DONATI D. , FUSI S. , PONTICELLI F.
Published: May 2016

Die Photoaddition von Acrylnitril (II) an das Dihydronicotinamid (I) führt zu den Addukten (III) und (IV), die nach Hydrierung zu (V) und (VI) chromatographisch getrennt werden.
ChemInform Abstract: Preparation of 4‐Arylamino‐pyrimidine‐5‐carboxylic Acid Esters from 2‐Cyan‐3‐ (thioaroylamino)cinnamic Acid Esters and Arylamines.
Authors: BRIEL D. , WAGNER G.
Published: May 2016

Die Pyrimidine (III) sind durch Reaktion der Zimtsäureester (I) mit aromatischen Aminen (II) zugänglich.
ChemInform Abstract: One‐Pot Synthesis of Quinazoline Derivatives by Use of Palladium Catalyzed Carbonylation.
Authors: MORI M. , KOBAYASHI H. , KIMURA M. , BAN Y.
Published: May 2016

Die Iodaniline (I) reagieren mit dem Lactam (II) bzw. den Aminen (VII) und Kohlenmonoxid (III) in Gegenwart des aus (IV) und (V) gebildeten Katalysatorsystems in HMPA zu den Chinazolinon‐Derivaten (VI), (IX), (XI) bzw. (XII).
ChemInform Abstract: Quantitative Structure‐Activity Relationship of Antifolate Inhibition of Bacteria Cell Cultures Resistant and Sensitive to Methotrexate.
Authors: COATS E. A. , GENTHER C. S. , SELASSIE C. D. , STRONG C. D. , HANSCH C.
Published: May 2016

Die Struktur‐Wirkungsbeziehungen der Verbindungen (I) und (II) werden untersucht.
ChemInform Abstract: 1,2,5‐Thiadiazole‐1‐oxides. Part 4. Ring Transformation of 1,2,3,5‐Thiatriazole and 1,2,4,6‐Thiatriazene‐1‐oxide.
Authors: KARADY S. , AMATO J. S. , REAMER R. A. , WEINSTOCK L. M.
Published: May 2016

Bei der Behandlung mit den Hydrazinen (II) erhält man aus dem Thiadiazol‐oxid (I) die Umlagerungsprodukte (II), die mit Bicarbonat zu (III) hydrolysiert werden.
ChemInform Abstract: Chiral Complexing and Phase Transfer Agents. Part 1. Synthesis of 1S,5S‐1,5‐Bis‐trityloxymethyl‐3,6,9,12,15‐pentaoxacyclopentadecane and Related Systems.
Authors: SEREBRYAKOV E. P. , ABYLGAZIEV R. I.
Published: May 2016

Ausgehend von D‐Mannit erhält man nach bekannten Methoden das Tetraol (I), aus dem die beiden chiralen Kronenether (V) und (VI) zugänglich sind.
ChemInform Abstract: Hetero π‐Systems. Part 14. Simply Substituted Boraethenes.
Authors: MAIER G. , HENKELMANN J. , REISENAUER H. P.
Published: May 2016

Using a known method the stannacyclohexadiene (I) is converted to the bromide (IIa), which can be transformed by dimethylether in (IIb) and by hydrolysis to (IIc).
ChemInform Abstract: Stereoselective Syntheses of Alcohols. Part 21. Addition of γ‐Methoxycrotylboronates to Aldehydes.
Authors: HOFFMANN R. W. , METTERNICH R.
Published: May 2016

Ausgehend von dem Dien (I) werden die Alkenylsulfide (II) und (III) synthetisiert.
ChemInform Abstract: Reactions of Trialkylsilyl Trifluoromethanesulfonates. Part 3. Synthesis of 1,3‐Bis(trimethylsiloxy)‐1,3‐dienes and 3‐Trimethylsiloxy‐2‐butenoates Silylated in Position 4.
Authors: KRAEGELOH K. + , SIMCHEN G. , SCHWEIKER K.
Published: May 2016

Durch Reaktion der Dicarbonyle (I) mit der Silylverbindung (II) un‐ ′ ter der Bedingung A) entstehen die Diene (III), die z.T. als E/Z‐Gemische anfallen.
ChemInform Abstract: Silicon Compounds. Part 61. Unsaturated Silicon Compounds. Part 10.
Authors: WIBERG N. , SCHURZ K. , FISCHER G.
Published: May 2016

The title compound (II) can be obtained by thermal elimination of salt from the lithium derivative (I).
ChemInform Abstract: Acylsilanes via Oxidation of Phosphonium Ylides; the First Synthesis of Bis(trimethylsilyl)ketone and Its Use as an Equivalent of the Dianion CO2‐.
Authors: RICCI A. , FIORENZA M. , DEGL'INNOCENTI A. , SECONI G. , DEMBECH P. , WITZGALL K. , BESTMANN H. J.
Published: May 2016

Die Oxidation der durch Umylidierung aus (I) synthetisierten, silylierten Ylide (II) mit dem Ozon‐ Addukt von Triphenylphosphit liefert die aromatischen Acylsilane (III).
ChemInform Abstract: 1H, 13C, 19F , 31P NMR Characterization of the Alcoholysis Products of Trichlorophosphazene‐N‐phosphoryldichloride by Trifluoroethanol.
Authors: OUASSINI A. , DE JAEGER R. , HEUBEL J.
Published: May 2016

NMR‐ sowie massenspektroskopische Untersuchungen der bei der Titelreaktion in Abhängigkeit vom Reaktantenverhältnis gebildeten Produkte (IIa), (IIb) und (III) zeigen, daß bedingt durch die höhere Reaktivität der am Phosphazen‐P‐Atom gebundenen Cl‐Atome diese zunächst durch Tri?uorethoxy‐Gruppen substituiert werden.
ChemInform Abstract: An Efficient Synthesis of Dialkyl 2‐Oxoalkanephosphonates and Diphenyl‐2‐oxoalkylphosphine Oxides from 1‐Chloralkyl Ketones.
Authors: CORBEL B. , MEDINGER L. , HAELTERS J. P. , STURTZ G.
Published: May 2016

α‐Chlorketone (I) werden als Methoxycarbonylhydrazone (II) mit Trialkylphosphiten oder Ethoxydiphenylphosphin (III) in einer Arbuzov‐Reaktion zu 2‐Hydrazonoalkylphosphonaten bzw. 2‐Hydrazonoalkylphosphinoxiden (IV) umgesetzt.
ChemInform Abstract: Asymmetric Syntheses of α‐Aminophosphonic Acids. Part 2. Asymmetric Addition of a Chiral Cyclic Phosphite to a Cyclic Imine.
Authors: HOPPE I. , SCHOELLKOPF U. + , NIEGER M. , EGERT E.
Published: May 2016

Das durch Umsetzung des Diols (Ia) mit PCl3 und tert.‐Butylalkohol synthetisierte, enantiomerenreine cyclische Phosphit (‐ )‐(IIa) bildet bei der BF3‐katalysierten Addition an (III) die beiden Diastereomeren (‐ )‐(IVa) und (+)‐(Va) im Verhältnis 2:1, die an Kieselgel trennbar sind.
ChemInform Abstract: A Novel p‐Terephthalato Copper(II) Dimer with Unexpected Strong Antiferromagnetic Exchange Interaction.
Authors: BAKALBASSIS E. G. , TSIPIS C. A. , MROZINSKI J.
Published: May 2016

Complex (I) is prepared by adding a solution of piperidinium terephthalate and bipyridine in methanol to Cu(ClO4)2 ‐ 6 H2O at room temperature.
ChemInform Abstract: Preparation and Characterization of Silver(I) Teflate Complexes: Bridging OTeF5 Groups in the Solid State and in Solution.
Authors: STRAUSS S. H. , NOIROT M. D. , ANDERSON O. P.
Published: May 2016

The reaction of solid AgF and a CH2Cl2 solution of HOTeFs (20°C, 3 h) yields AgOTeF5 ‐ CH2Cl2 (85% yield).
ChemInform Abstract: Intermediates in the Palladium‐Catalysed Reactions of 1,3‐Dienes.
Authors: BENN R. , GABOR G. , JOLLY P. W. , MYNOTT R. , RASPEL B.
Published: May 2016

Die Palladiumkomplexe (I) reagieren mit den Elektrophilen (II) bzw. (VI) zu den Produkten (III) bzw. (VII).
ChemInform Abstract: Diterpenoid Total Synthesis. Part 23. Synthesis of Oryzalexins A, B and C, the Diterpenoidal Phytoalexins Isolated from Rice Blast Leaves Infected with Pyricularia oryzae.
Authors: MORI K. , WAKU M.
Published: May 2016

Starting from the tricyclic ketone (I), racemic diene (VII) was synthesized.
ChemInform Abstract: Synthesis of Triterpene Antibiotics from Bile Acids. Part 2. Introduction of the 14α‐Methyl Group Attached to Δ‐8,9.
Authors: ARANDA G. , FETIZON M. , TAYEB N.
Published: May 2016

Starting from the methyl cholenoate (I) the 14oL‐methyl‐15‐oxo derivative (IV) is prepared.
ChemInform Abstract: Amino Acids and Peptides. Part 10. HPLC‐Mediated Test of 2,4‐Bis(4‐methoxyphenyl)‐1,3,2,4‐dithiadiphosphetane 2,4‐Disulfide (Lawesson′s Reagent) as a Racemization‐free Coupling Reagent in Peptide Synthesis.
Authors: THORSEN M. , ANDERSEN T. P. , PEDERSEN U. , YDE B. , LAWESSON S.‐O. , HANSEN H. F.
Published: May 2016

The readily available compound (I) (Lawesson′s Reagent) has been tested as a coupling reagent for racemization in 138 ‐ peptide synthesis.
ChemInform Abstract: Enolates of Carbohydrates. Part 4. Axial C‐Alkylation in α‐Position of α‐Amino‐ α‐deoxy‐ketoses.
Authors: KLEMER A. , WILBERS H.
Published: May 2016

The aminodeoxyuloses (I), (IX), (XIII) are alkylated with methyl iodide [method (A) or (B)] to give the various products shown in the scheme.
ChemInform Abstract: O‐Glycosyl Imidates. Part 19. Reaction of Glycosyl Trichloroacetimidates with Silylated C‐Nucleophiles.
Authors: HOFFMANN M. G. , SCHMIDT R. R.
Published: May 2016

Reaction of the imidates (Ia), (Ib) with silyl enol ethers (II), (IV) or the silane (X) as C‐nucleophiles yields, with ZnCl2 as catalyst, mainly or exclusively α‐glycosides (III), (V) (mixtures of diastereomers) or (XIa).
ChemInform Abstract: Ketoses. Part 2. Spirocyclic Dihydropyranones from D‐Fructose.
Authors: LICHTENTHALER F. W. , DOLESCHAL W. , HAHN S.
Published: May 2016

Expedient reaction sequences have been developed to convert D‐fructose into a diverse collection of spirocyclic dihydropyrandiols.
ChemInform Abstract: Staphylococcus aureus Antigens. Part 3. Synthesis of Artifical Disaccharidic Antigens.
Authors: BOULLANGER P. , ANDRE C. , DESCOTES G.
Published: May 2016

Die durch Allylierung des Ribitols (I) entstehenden Derivate (II) und (III) werden, wie im Formelschema angegeben, in die Disaccharide (VIc) und (VIIId) übergeführt.
ChemInform Abstract: Synthesis of Potential Drugs on the Basis of Hydrophosphoryl Compounds.
Authors: YUDELEVICH V. I. , SHNEIDER M. A. , BELAKHOV V. V. , KOMAROV E. V. , IONIN B. I. , ANTONOVA T. I. , BREL A. K. , LEBEDEV V. B.
Published: May 2016

Der Inosin‐dialdehyd (I) reagiert mit Aminen (II) und Propadien‐phosphinsäure bzw. Propadien‐phosphinsäureammonium‐Salz (III) zu den Inosyl‐morpholinen (IV).
ChemInform Abstract: Dimeric Naphthoquinones. Part 16. Synthesis of Maritinone and Other 8,8′‐Bijuglones.
Authors: LAATSCH H.
Published: May 2016

The key step in the synthesis of title compound (VIIb) and its analogues V (VIIa) and (VIIc) is the phenol oxidation of the bromo derivatives (IIa)‐(IIc) yielding the dimeric compounds (IV) after reductive acetylation [by‐products: (V), 6,8′‐ and 6,6′‐linked binaphthyls].
ChemInform Abstract: Synthesis of 2‐(p‐Hydroxycinnamoyl)‐4‐hydroxy‐4,6‐dimethylcyclohexane‐1,3,5‐trione, an Analog of Safflomin A.
Authors: OBARA H. , MACHIDA Y. , NAMAI S. , ONODERA J.
Published: May 2016

Während bei der direkten Umsetzung von (I) mit dem Aldehyd (III) unter Ringverengung das Cyclopentan‐Derivat (VI) entsteht, wird durch Kondensation des aus (I) hergestellten Methylethers (II) mit dem Aldehyd (III) das Cyclohexan‐Derivat (IV) erhalten, das zu dem im Titel genannten Analogon (Va) des Saf?omin A (Vb) verseift wird.
ChemInform Abstract: Synthesis of (7E,9E,11E,13E)‐18,18,18‐Trifluororetinal (all‐trans 5‐Trifluoromethylretinal).
Authors: TAGUCHI T. , HOSODA A. , KOBAYASHI Y.
Published: May 2016

Das aus (I) erhaltene Phosphonester‐Derivat (IIIa) wird mit Bu4N+F′ in THF zum Alkohol (IIIb) gespalten, zum Keton (IV) oxidiert und dann zu (Va) cyclisiert, aus dem über den Alkohol (Vb) der Aldehyd (Vc) hergestellt wird.
ChemInform Abstract: Orally Absorbable Cephalosporin Antibiotics. Part 2. Structure‐Activity Studies of Bicyclic Glycine Derivatives of 7‐Aminodeacetoxycephalosporanic Acid.
Authors: KUKOLJA S. , DRAHEIM S. E. , GRAVES B. J. , HUNDEN D. C. , PFEIL J. L. , COOPER R. D. G. , OTT J. L. , COUNTER F. T.
Published: May 2016

Die gemäß Formelschema zugänglichen Cephalosporine (III) und (VI) besitzen gegen grampositive Bakterien gute Wirkung.
ChemInform Abstract: Carbon‐Carbon Bond Formation Employing Organoiron Reagents . Syntheses of Lavandulol and Red Scale Pheromone.
Authors: CELEBUSKI J. , ROSENBLUM M.
Published: May 2016

Dioxolenium tetrafluoroborate (I) reacts with the isobutenyl Fcp complex to the functionalized Cs‐synthon (II) as a mixture of isomers.
ChemInform Abstract: On the Observability of Cubic P8.
Authors: SCHMIDT M. W. , GORDON M. S.
Published: May 2016

Ab initio calculations on the hypothetical P8 predict that P8 is not as stable as 2P4, but more stable than the other observed modification 4P2.
ChemInform Abstract: X‐Ray Diffraction Analysis of Molten AlCl3‐NaCl System.
Authors: TAKAHASHI S. , MARUOKA K. , KOURA N. , OHNO H.
Published: May 2016

In the title system the AlCl4 tetrahedron is confirmed as a fundamental structural unit.
ChemInform Abstract: Electrochemical Determination of Hydrogen Transport Through Copper.
Authors: DEWULF D. W. , BARD A. J.
Published: May 2016

The hydrogen permeation in Cu is studied by the electrochemical method of Devanathan and Stachurski.
ChemInform Abstract: Solubility of Antimony in Cobalt, Nickel, and Co ‐ Ni Alloys.
Authors: ISHIDA K. , HASEBE M. , OHNISHI N. , NISHIZAWA T.
Published: May 2016

The phase diagram of the Co ‐ Ni ‐ Sb system is determined below 50 at.‐% Sb by electron probe microanalysis.
ChemInform Abstract: Surface Composition of Stainless Steels During Anodic Dissolution and Passivation Studied by ESCA.
Authors: OLEFJORD I. , BROX B. , JELVESTAM U.
Published: May 2016

The surface composition of a Mo containing austenitic stainless steel is analyzed (ESCA) after its dissolution and passivation in a HCl aqueouys solution.
ChemInform Abstract: Oxidation of Hydrazine by Nitric Acid.
Authors: KARRAKER D. G.
Published: May 2016

Reaction rates and products of the N2H4 ‐ HNO3 reaction are determined.
ChemInform Abstract: Characterization of Oxide Growth at High Temperatures and Low Pressures from Silane/Nitrous Oxide Reaction.
Authors: LEARN A. J. , JACKSON R. B.
Published: May 2016

The growth of silicon‐rich and stoichiometric oxide from silane and nitrous oxide by low pressure chemical vapor deposition in a vertical‐flow reactor has been examined.
ChemInform Abstract: Thermodynamics of Vinyl Ethers. Part 30. On the Ease of Introduction of a C = C Bond Exocyclic to Some Bi‐ and Tricyclic Rings.
Authors: TASKINEN E.
Published: May 2016

The ease of introduction of a C = Cbond exocyclic to a norbornane, norbomene and nortricyclane ring has been studied by chemical equilibration of the isomeric methyl enol ethers of 2‐acetylnorbornane, 2‐acetylnorbornene and 3‐acetylnortricyclane.
ChemInform Abstract: Electrochemical Reduction of Trichloromethylbenzene.
Authors: GISSELBRECHT J.‐P. , LUND H.
Published: May 2016

The product distribution for preparative scale reductions of (I) is voltage dependent: the main product is (II) at ‐0.7 V, but (V) at ‐1.3 V versus SCE [the yields in this case are 85% (V), 7% (IV), 3% (II) and 4% unreacted (I)].
ChemInform Abstract: Simple Camphor Derivatives as Chiral Auxiliaries for Asymmetrie Conjugate Addition.
Authors: SOMFAI P. , TANNER D. , OLSSON T.
Published: May 2016

The degree of diastereoselectivity in the Conjugate addition of (V) to the chiral camphor derivatives (IV) depends largely on the size of the substituent [with the notable exception of the benzyl Substrate (IVd)].
ChemInform Abstract: 1,4‐Addition of Lithiated Thioenolates from Dithioesters to Ethylenic Ketones.
Authors: BERRADA S. , METZNER P. , RAKOTONIRINA R.
Published: May 2016

Nach Optimierung der Versuchsbedingungen werden die Dithioester (I) und (XVII) in die thermisch stabilen, lithiierten Enthiolate übergeführt, welche mit einer Reihe von ethylenischen Ketonen zu den im Formelschema aufgeführten Produkten reagieren.
ChemInform Abstract: Reactions of Organyl(chloroethynyl)sulfides with Secondary Amines.
Authors: MIRSKOVA A. N. , SEREDKINA S. G. , VORONKOV M. G.
Published: May 2016

By reaction of the alkylthioethynyl chlorides (I) with a twofold excess of the secondary amines (II) the ynamines (III) are obtained in fair to good yields.
ChemInform Abstract: The Synthesis of Organic Chemicals by Catalytic Reactions of Carbon Dioxide.
Authors: BEHR A.
Published: May 2016

Various reactions are discussed in which CO2 adds to unsaturated hydrocarbons after activation by transition metal catalysts.
ChemInform Abstract: Functional Sulfur‐Containing Compounds. Part 8. Synthesis of Sulfur‐ Containing Aziridines and Oxazolidines.
Authors: DERZHINSKII A. R. , KALUGIN V. E. , PRILEZHAEVA E. N.
Published: May 2016

Die a‐Bromvinyl‐sulfone (III), zugänglich aus den Vinylsulfonen (I), reagieren mit den primären Aminen (IV) zu den Sulfonylaziridinen (V).
ChemInform Abstract: Oxidation of 2‐Ethoxyethanol by Lead Tetraacetate.
Authors: NIKOLAEVA S. V. , ZORIN V. V. , KASATKINA A. A. , ZLOTSKII S. S. , RAKHMANKULOV D. L.
Published: May 2016

The oxidation of thejtitle compound (I) with Pb(OAc)4 yields the products (II) to (IV) as the result of radical reactions.
ChemInform Abstract: Selective N‐Prop‐2‐ynylation of Heterocycles Induced by Solid‐Liquid Phase Transfer Catalysis without Solvent and Use of Solid Inorganic Supports.
Authors: GALONS H. , BERGERAT I. , COMBET‐FARNOUX C. , MIOCQUE M. , DECODTS G. , BRAM G.
Published: May 2016

Unter Phasen‐ Transfer‐Bedingungen lassen sich Heterocyclen wie (I) und (IV) N‐propinylieren, wobei das im Falle von (IV) erhaltene Nebenprodukt (VI) auch als Hauptprodukt zugänglich gemacht werden kann.
ChemInform Abstract: Development of an Organotransition Metal Synthesis of Quinones.
Authors: LIEBESKIND L. S. , BAYSDON S. L. , SOUTH M. S. , IYER S. , LEEDS J. P.
Published: May 2016

Für die Synthese der Naphthochinone (III) lassen sich als Reaktionspartner der Alkine (I) die aus Benzocyclobutendion erhältlichen Komplexe (II) und (IV) einsetzen.
ChemInform Abstract: Alkenyl Copper Reagents. Part 26. Carbocupration of Alkynes by Organocopper Reagents Bearing a Protected Hydroxy or Thiol Function.
Authors: GARDETTE M. , ALEXAKIS A. , NORMANT J. F.
Published: May 2016

The influence of reaction conditions and structural characteristics [chain length, protecting group, hetero atom (O,S),halide ′X′ (C1, Br) or halide salt ′LiX′ in the preparation of (V)] on a sequence of metallation reaötions is studied (3 tab.) ‐ namely the conversion of protected halohydrins [e.g.
ChemInform Abstract: Reduction of Azides by Triphenylphosphine in the Presence of Water: a General and y Chemoselective Method of Access to Primary Amines.
Authors: KNOUZI N. , VAULTIER M. , CARRIE R.
Published: May 2016

The products from the reduction of azides, e.g. (II), were isolated in the form of free amines and/or amine 51 hydrochlorides.
ChemInform Abstract: Use of Anionites in the BH; Form for the Synthesis of Higher Aldehydes.
Authors: GORDEEV K. YU. , SEREBRENNIKOVA G. A. , EVSTIGNEEVA R. P.
Published: May 2016

On treatment of amberlyst A‐26 in its C1′ form with NaBH4 in water for one day and subsequent drying, the BH; form is prepared.
ChemInform Abstract: Highly Stereoselective Reaction of a‐Methylthio Aldehydes with Allyltriphenylstannane: Synthesis of anti‐β‐Methylthio Alcohols.
Authors: SHIMAGAKI M. , TAKUBO H. , OISHI T.
Published: May 2016

Triphenyl‐allyl‐zinn (I) reagiert mit den Thiomethyl‐aldehyden (II) weitgehend zu den Alkoholen (III) neben geringen Anteilen an Isomeren (IV).
ChemInform Abstract: 2‐Lithio‐2‐phenylsulfonyl Propane as Efficient Precursor of gem‐Dimethyl Cyclopropane Carboxylic Acids.
Authors: KRIEF A. , DE VOS M. J.
Published: May 2016

Die Olefine (I) reagieren mit dem Lithio‐isopropyl‐phenyl‐sulfon (II) je nach Lösungsmittel in unterschiedlichen Anteilen zu den acyclischen Addukten (IV) und den Cyclopropanen (V).
ChemInform Abstract: Reaction of 3,7‐Divinylidenebicyclo[3.3.1]nonane with Electrophilic Reagents.
Authors: KRASUTSKII P. A. , FOKIN A. A. , KULIK N. I. , YURCHENKO A. G.
Published: May 2016

The title compound (I) is reacted with various electrophiles to yield l‐vinyl‐2‐methyle neadamantanes like (II)‐(IV), (VI) and (VII).
ChemInform Abstract: Preparation of Two l‐Phenyl‐chlorofluoropropenes.
Authors: DMOWSKI W.
Published: May 2016

Chlor‐trifluorpropen (III) und Dichlor‐tri?uorpropen (V) werden auf dem skizzierten Weg synthetisiert.
ChemInform Abstract: Nucleophilic Reactions of Fluoroolefins. Part 6. Reactions of l‐Phenylpentafluoropropene with Lithium Aluminium Hydride.
Authors: DMOWSKI W.
Published: May 2016

Die Reaktion von l‐Phenylpentafluorpropen (I) mit Lithiumaluminiumhydrid wird untersucht.
ChemInform Abstract: Stereoselective Routes to Functionalised Hexa‐2,4‐dienals from Cyclobutenes.
Authors: INGHAM S. , TURNER R. W. , WALLACE T. W.
Published: May 2016

Das aus dem entsprechenden cis‐Anhydrid durch Reduktion zugängliche Diol (I) wird zur Verbindung (III) monoalkyliert, die oxidativ zu einem untrennbaren Ge‐ 72 misch der Aldehyde (IV) und (V) gespalten wird.
ChemInform Abstract: 1,3‐Thiazines. Part 28. Reactions of 3‐Amino‐2‐thioxotetrahydro‐(4H)‐1,3‐thiazin‐ 4‐ones with Nucleophiles.
Authors: HANEFELD W. , STAUDE H. J.
Published: May 2016

Thioxothiazinon (I) reagiert mit Alkoholaten (II) oder Aminen (IV) unter Ringspaltung.
ChemInform Abstract: A Stereocontrolled Synthesis of (1′RS,2′SR)‐3‐Oxo‐3′,4′‐dihydrospiro[cyclopentane‐1,1′(2′H)‐naphthalene]‐2′‐ylacetic Acid and Its Methoxy Analogues.
Authors: DEB S. , BHATTACHARJEE G. , GHATAK U. R.
Published: May 2016

Die Säuren (I) sind durch Hydrolyse ihrer entsprechenden Ester, von denen die (Ia)‐(Ic)‐Ester bekannt sind, erhältlich.
ChemInform Abstract: Synthesis of Alkylsubstituted 2‐Halo‐4‐aminomethyl‐2‐butenolides‐4.
Authors: TYVORSKII V. I. , TISHCHENKO I. G. , KUKHAREV A. S. , YUSHKEVICH E. V. , VLASOV S. F.
Published: May 2016

Die Umsetzung der 5‐Dialkylamino‐4‐hydroxy‐2,3‐epoxyvaleriansäureester (I) mit Halogenwasserstoffen liefert die Butenolide (II).
ChemInform Abstract: Novel Approach to 3H‐Pyrroles.
Authors: TROFIMOV B. A. , SHEVCHENKO S. G. , KOROSTOVA S. E. , MIKHALEVA A. I. , SHCHERBAKOV V. V.
Published: May 2016

Das Isopropylphenylketoxim (I) reagiert in Gegenwart von Kaliumhydroxid in Dimethylsulfoxid mit Acetylen (II) zum 3H‐Pyrrol (III).
ChemInform Abstract: Reaction of Benzimidazole‐2‐thione with Acylacetylenes and Dibenzoylacetylene.
Authors: ANDRIYANKOVA L. V. , KOMAROVA T. N. , NAKHMANOVICH A. S. , ABRAMOVA N. D. , SKVORTSOVA G. G.
Published: May 2016

The reaction of the thione (I) with the acylalkynes (II) affords the acyl vinyl sulphides (III) in good yields.
ChemInform Abstract: Synthesis of a Novel Ring System: Pyrido[3′,2′ :4,5]isothiazolo[2,3‐a]benzimidazole.
Authors: BOSSIO R. , MARCACCINI S. , PARRINI V. , PEPINO R.
Published: May 2016

Durch Kondensation der Mercapto‐carbonsäuren (I) mit o‐Phenylendiamin (II) werden die Benzimidazole (III) erhalten, die mit Brom zu den Tetracyclen (IV) oxidiert werden.
ChemInform Abstract: Reaction of Acylaminocyanoesters with 2,4‐Bis(4‐methoxyphenyl)‐1,3,2,4‐dithiadiphosphetane 2,4‐disulfide leading to Substituted Aminothiazoles.
Authors: GOLANKIEWICZ B. , JANUSZCZYK P. , GDANIEC M. , KOSTURKIEWICZ Z.
Published: May 2016

The esters (I) react with the thiation reagent (III) to give the thiazoles (II).
ChemInform Abstract: Benzophenanthridines. Part 3. An Investigation of the Rodionov‐Suvorov Procedure.
Authors: SLADKOV V. I. , MASLENNIKOVA L. V. , SUVOROV N. N.
Published: May 2016

The synthesis of the title compound (VIIb), a model compound for phenanthridine alkaloids, is described.
ChemInform Abstract: New Pyrazolo[3,4‐b]pyridine and Pyrazolo[3,4‐d]pyrimidine Derivatives from 4‐Acetyl‐5‐amino‐1,3‐diphenylpyrazole.
Authors: DAL PIAZ V. , CICIANI G. , CHIMICHI S.
Published: May 2016

Unter verschiedenen Kondensationsbedingungen werden aus dem Pyrazo1‐ Derivat (III) die Pyrazolo‐pyridine (I), (V), (VI) und (IX) bzw. das Pyrazolo‐pyrimidin (X) hergestellt.
ChemInform Abstract: Pleiadiene Heteroanalogs. Part 58. Thiocyanation of Perimidones.
Authors: STEPANOVA V. N. , KONSTANTINCHENKO A. A. , POZHARSKII A. F.
Published: May 2016

Die Perimidinone (I) reagieren mit Kaliumthiocyanat und Brom unter Mono‐ und Dirhodanierung.
ChemInform Abstract: Nitrogen Bridgehead Compounds. Part 56. Reaction of 2,6a‐Diaza‐3a‐azoniaphenalene Quaternary Salts with N‐Nucleophiles and Carbanions.
Authors: BITTER I. , PETE B. , TOTH G. , HERMECZ I. , MESZAROS Z.
Published: May 2016

Aus den Triaza‐phenalenium‐Salzen (Ia) und (Ib) werden mit den Nucleophilen (II), (V), (VI) und (IX) die Tricyclen (III), (IV), (VII) und (VIII) bzw. die Tetracyclen (X) hergestellt.
ChemInform Abstract: The Reduction of 2,4‐Dihydroxy‐7‐methoxy‐1,4‐benzoxazin‐3‐one by Thiols.
Authors: PEREZ F. J. , NIEMEYER H. M.
Published: May 2016

Die im Titel genannte Hydroxamsäure (I) wird mit Thiolen (II) zum Lactam (III) reduziert.
ChemInform Abstract: Reactions of Boroxazolidones with Aromatic Aldehydes. An Easy Route to Derivatives of Isoquinoline and Isoindolinone.
Authors: NEFKENS G. H. L. , ZWANENBURG B.
Published: May 2016

Boroxazolidones (II) derived from glycine (Ia) and phenylalanine (Ib) react with aromatic aldehydes to imines such as (III) or 139 (V).
ChemInform Abstract: Reagents and Synthetic Methods. Part 55. New Methods for the Preparation of tert‐ Butyldimethylsilyl Triflate and Trimethylsilyl Triflate.
Authors: AIZPURUA J. M. , PALOMO C.
Published: May 2016

Trifluormethansulfonsäure (I) und Dimethyl‐tert.‐butylsilan (I I) liefern das tert.‐Butyldimethylsilyltriflat (III) in hoher Ausbeute, aus Trichlormethyltrimethylsilan (IV) und (I) entsteht das Trimethylsilyltriflat (V).
ChemInform Abstract: Increased Stability of Phosphite Ozonides Derived from 4‐Hydroxymethyl‐1‐phospha‐2,6,7‐trioxabicyclo[2.2.2]octane.
Authors: RAMOS S. M. , OWRUTSKY J. C. , KEEHN P. M.
Published: May 2016

Aus dem cyclischen Hydroxymethylphosphit (Ia) entstehen die Acylverbindungen (Ib)‐(If), die mit Ozon zu den Phosphit‐ozoniden (IIb) bis (IIf) führen.
ChemInform Abstract: Preparation and Characterization of Cobalt(II) Complexes with Novel Macrocyclic N4 ‐Ligands: 5,14‐Dihydro‐7,16‐diethyl‐(E)‐dipyrido[b,i][1,4,8,11]tetraazacyclotetradecine and 5,l4‐Dihydro‐7,16‐diethyl‐(Z)‐dipyrido[b,i][1,4,8,11]tetraazacyclotetradecine.
Authors: SAKATA K. , HAYASHIDA Y. , HASHIMOTO M. , TERADA K. , KATO Y.
Published: May 2016

Die wie aufgezeichnet im äquimolaren Verhältnis synthetisierten u. säulenchro matographisch an Silicagel getrennten, makrocyclischen Titelliganden (IIIa) und (IIIb) bilden mit Co(II)‐acetat in siedendem DMF die Co(II)‐Komplexe (IV).
ChemInform Abstract: Preparation, Isolation and Properties of Tris(8‐quinolinolato‐N′,O′)ruthenium(III).
Authors: RODMAN G. S. , NAGLE J. K.
Published: May 2016

The 1:3 molar reaction between RuCl3 ‐ 3 H2O and the Na salt of 8‐quinolinol in refluxing H2O affords the title complex (I) (yield 47%).
ChemInform Abstract: The Use of 1‐Arylthio‐2‐acetoxy‐2‐methylbutene‐3 as Substituted C5‐Synthon in the Synthesis of Isoprenoids.
Authors: KAL'YAN YU. B. , KRIMER M. Z. , SMIT V. A. , MOISEENKOV A. M. , LUTSENKO A. I.
Published: May 2016

Die Arylthio‐2‐acetoxy‐2‐methyl‐but‐3‐ene (I), deren Herstellung bereits früher beschrieben wurde, dienen zum Aufbau einer Vielzahl von Verbindungen wie z.B. (III)‐(VI), (VIII), (X)‐(XII) oder (XIV).
ChemInform Abstract: Protection of the Ergosterol Dienic System by Formation of Urazolic Adducts.
Authors: BARTON D. H. R. , LUSINCHI X. , SANDOVAL RAMIREZ J.
Published: May 2016

Durch Reaktion der Ergosterine (I) mit den Triazolindionen (II) lassen sich unter der angegebenen Bedingung Addukte des Typs (III) mit ausgezeichneter Ausb. herstellen.
ChemInform Abstract: Coupling in the Absence of Tertiary Amines. Part 4. Tetrazole as Acidolytic Reagent.
Authors: BODANSZKY M. , BODANSZKY A. , CASARETTO M. , ZAHN H.
Published: May 2016

Die N‐Tritylamine (I) lassen sich mit Tetrazol (II) zu den isomeren N‐Trityltetrazolen (III) und (IV) sowie zu den Ammoniumsalzen (V) spalten, die mit den aktivierten Carbonsäureestern (VI) auch ohne Zusatz von tertiären Aminen zu den Amiden (VII) acyliert werden können.
ChemInform Abstract: Synthesis and NMR Characterization of Intermediates in the L‐Type Pentose Phosphate Cycle.
Authors: FRANKE F. P. , KAPUSCINSKI M. , LYNDON P.
Published: May 2016

Ausgehend von der D‐Manno‐heptulose (Ia) wird entweder über die Stufen (Ib)‐(Id) oder über (IIa) und (IIb) das 7‐Phosphat (Ie) dargestellt.
ChemInform Abstract: Synthesis of Glycosides of α‐D‐Mannopyranose 6‐(α‐D‐Glucopyranosyl Phosphate).
Authors: SRIVASTAVA O. P. , HINDSGAUL O.
Published: May 2016

Die Kondensation des aus (Ia) dargestellten Benzoats (Ib) mit den Glykosylphosphaten (II) führt zu den Glykosiden (III), deren alkalische Deblockierung die gewünschten‐Phosphorsäurediester (IV) liefert.
ChemInform Abstract: Synthesis of Acetylated Methyl (β‐D‐Glucopyranosid)uronates of N‐Aryl‐N‐hydroxyacetamides by the Orthoester Glycosylation Method.
Authors: YOSHIOKA T. , UEMATSU T.
Published: May 2016

Die im Titel genannten Verbindungen (IV) entstehen bei der Umsetzung des Bromids (I) mit den Hydroxyacetamiden (II) über die Orthoester (III).
ChemInform Abstract: S‐Ethyl‐T‐deoxyuridine. Cytotoxicity and DNA Incorporation Demonstrated with Human Leukemic Cells and PHA‐Stimulated‐Lymphocytes in vitro.
Authors: TUOMINEN H. , BERGSTROM D. , VILPO J. A.
Published: May 2016

The biologically active thymidine analogue (Va) was investigated with seven established human leukemia cell lines as well as with human peripheral blood PHA‐stimulated lymphocytes.
ChemInform Abstract: Desulfurizative Stannylation of Uracil Derivatives.
Authors: TANAKA H. , HAYAKAWA H. , OBI K. , MIYASAKA T.
Published: May 2016

Das aus (I) hergestellte 6‐Phenylthio‐uridin‐Derivat (III) ergibt mit elektrophilen Reagentien zahlreiche Substitutionsprodukte (IV).
ChemInform Abstract: Total Syntheses and Studies of Biologically Active Lignanes. Part 8.
Authors: LORIOT M. , THOMAS D. , BROWN E.
Published: May 2016

Starting with the reaction between the aldehyde (I) and the ester (II), the racemic form of the title compound (VIIa) is synthesized by the pathways shown in the scheme.
ChemInform Abstract: Simple and Condensed β‐Lactams. Part 6. A Synthesis of the p‐Nitrobenzyl Esters of the Racemic Forms of the Carbapenem Antibiotics PS‐5 and PS‐6 and Their 6‐Epimers.
Authors: FETTER J. , LEMPERT K. , KAJTAR‐PEREDY M. , SIMIG G. , HORNYAK G. , HORVATH Z.
Published: May 2016

Die aus den Komponenten (Ic) und (II) erhältlichen Azetidinone (IIIa) bzw. (IIIb) (jeweils cis/trans‐Gemisch) werden zu den Monoestern (IV) (cis/trans‐ Gemische jeweils getrennt) umgesetzt, aus denen über die angegebenen Stufen die Verbindungen (VIII) zugänglich sind.
ChemInform Abstract: Crystal Structure of Gd3Ga2 and of Isotypic Compounds.
Authors: YATSENKO S. P. , GLADYSHEVSKII R. E. , SITSCHEVICH O. M. , BELSKII V. K. , SEMYANNIKOV A. A. , HRYN' YU. N. , YARMOLYUK YA. P.
Published: May 2016

The structure of Gd3Ga2 belongs to a new structure type (space group I4/mcm, Z=16).
ChemInform Abstract: Effect of Oxidation Ambient on the Electrical Properties of Thin Silicon Oxide.
Authors: COSWAY R. G.
Published: May 2016

It is shown that the presence of HCl during growth of thin (150 Å) oxides affects neither the yield (> 10 MVcm‐1), average breakdown field above 10 MVcm‐1, nor the leakage current.
ChemInform Abstract: Photoredox Reactions at Semiconductor Particles Incorporated into Clays.
Authors: ENEA O. , BARD A. J.
Published: May 2016

The photoactivity of CdS and CdS/ZnS mixtures incorporated into a montmorillonite suspension has been investigated.
ChemInform Abstract: Magnetic Behaviour of U(Fe,Ti)2 Compounds.
Authors: HAVELA L. , SECHOVSKY V. , HREBIK J. , ANDREEV A. V.
Published: May 2016

The effect of Substitution of iron in UFez by the early transition element Ti on the magnetic properties is investigated.
ChemInform Abstract: Potentiometric Study of the Solvent Equilibria in AlCl3
Authors: HEERMAN L. , D'OLIESLAGER W.
Published: May 2016

N‐n‐Butylpyridinium Chloride Melts.
ChemInform Abstract: Radiotracer Study of the Adsorption of Cl‐ Ions on Rhodized Electrodes.
Authors: HORANYI G. , RIZMAYER E. M.
Published: May 2016

The potential dependence of the adsorption of Cl′ at rhodized electrodes in 1 M H2SO4 as Supporting electrolyte is characterized by four sections (E ‐5O mV almost complete coverage by adsorbed hydrogen; ‐5O E + 250 mV potential‐dependent coverage by hydrogen; + 250 E 600 mV double‐layer region; E 600 mV formation of surface Ospecies).
ChemInform Abstract: Hydrogen Sorption Properties of D88‐Type Systems. Part 1. Hydrides of Y5Si3.
Authors: MCCOLM I. J. , KOTROCZO V. , BUTTON T. W. , CLARK N. J. , BRUER B.
Published: May 2016

The hexagonal D88‐type structure silicide Y5Si3 reacts with H2 under a variety of conditions.
ChemInform Abstract: Preparation of Thin (0.6 um) Continuous Monocrystalline Silicon over SiO2.
Authors: JASTRZEBSKI L. , CORBOY J. F. , PAGLIARO R. JUN. , SOYDAN R.
Published: May 2016

Thin (0.6 um), acceptably smooth, Continuous silicon over and between SiO2 layers can be obtained in an economically viable fashion if CVD growth is combined with thinning by oxidation.
ChemInform Abstract: A New Crown Heteropolyanion, K28Li5H7P8W48O184·92 H2O: Synthesis, Structure, and Properties.
Authors: CONTANT R. , TEZE A.
Published: May 2016

The title compound spontaneously crystallizes from solutions of K,2H2P2W,2O48 in lithium acetate‐acetic acid buffer.
ChemInform Abstract: Chemistry and Spectroscopy of Binuclear Platinum Diphosphite Complexes.
Authors: CHE C.‐M. , BUTLER L. G. , GRUNTHANER P. J. , GRAY H. B.
Published: May 2016

The preparation procedure of K4[Pt2(pop)4].2 H2O (pop: P2O5H2) is modified in order to obtain material that is not contaminated by partially oxidized Pt species.
ChemInform Abstract: Calcium and Magnesium Binding to γ‐Carboxyglutamate and β‐Carboxyaspartate Residues: Structures of Calcium and Magnesium Complexes of Methylmalonic Acid.
Authors: CURRY M. E. , EGGLESTON D. S. , HODGSON D. J.
Published: May 2016

The reaction of Calcium or magnesium hydroxide in warm water with a solution of α‐methylmalonic acid in methanol yields the complexes (I) and (II) (no yields given), whose structures were determined by crystallographic measurements.
ChemInform Abstract: Synthesis of Aromatic Schiff Base Oligomers at the Air/Water Interface.
Authors: ENGEL A. K. , YODEN T. , SANUI K. , OGATA N.
Published: May 2016

When dialkylterephthalaldimines (dihexyl, didodecyl, dioctadecyl) were spread onto acidic solutions of p‐phenylenediamine, aromatic Schiff base Oligomers were formed at the air‐water interface.
ChemInform Abstract: Electrochemical Reduction of Trichloromethylbenzene. Part 2. Reduction in the Presence of Electrophiles.
Authors: GISSELBRECHT J.‐P. , LUND H.
Published: May 2016

Electrochemical reduction of the title compound (I) in the presence of acetic anhydride yields the 1,2‐diacetoxy derivative (III) as the main product.
ChemInform Abstract: On the Steric Course of the Reduction of 2‐Alkoxy‐4‐pyranones: A Remarkable Demonstration of Anomeric Control.
Authors: DANISHEFSKY S. , LANGER M. E.
Published: May 2016

Es wird der sterische Verlauf der Reduktion von 2‐Methoxy‐4‐pyranonen untersucht.
ChemInform Abstract: Reaction of 2,2‐Dichloromalonamides and 2,2‐Dichloromalonamoyl Chlorides with Nucleophilic Reagents.
Authors: RIED W. , NENNINGER J.
Published: May 2016

Reaction of ZJ‐dichloromalonamides (I) with mononucleophilic reagents such as 4‐nitrophenol, 4‐chlorothiophenol or amines leads to Substitution of both chlorine atoms giving (II).
ChemInform Abstract: Alicyclic Reaction Mechanisms. Part 7. Solvolysis Reactions and Force Field Calculations with Epimeric Cyclohexane Derivatives.
Authors: SCHNEIDER H.‐J. , SCHMIDT G.
Published: May 2016

Solvolysis of the epimeric tosylates (I) and (V) with the weakly nucleophilic solvent forms the ethers (III) and (IV).
ChemInform Abstract: Alicyclic Reaction Mechanisms. Part 8. Solvolyses of 17‐(Tosyloxy)androstanes in Hexafluoroisopropyl Alcohol.
Authors: SCHNEIDER H.‐J. , BECKER N.
Published: May 2016

Due to a difference in enthalpy of activation of ca. 7 kcal/mol, the ratio of rate constants for epimeric solvolysis is much higher for (Ia)/(IVa) than for (Ib)/(IVb) or the cyclopentanes (Va)/(Vb).
ChemInform Abstract: exo‐Selective Peripheral Cycloaddition Reactions of Pyrido[2,1‐a]isoindole.
Authors: KAJIGAESHI S. , MORI S. , FUJISAKI S. , KANEMASA S.
Published: May 2016

The title compound (III), which is prepared from (Ia) via (Ib) and (II), cycloadds to ole‐ ?nic dipolarophiles (IV) and (Va) in a highly exo‐selective manner to give the kinetically controlled (labile) cycloadducts (VIIa), (VIIb) + (VIIc), or (VIId) (not isolated), which gradually isomerize to give the Michael adducts (VIIIa) [from (VIIa) or (VIIb)/(VIIc)] and (VIIIb) [from (VIId)].
ChemInform Abstract: Preparation and Conformational Study of Partially Saturated 3,l‐Benzoxazines, 3,1‐Benzoxazin‐2‐ones and 3,1‐Benzoxazin‐2‐thiones.
Authors: BERNATH G. , STAJER G. , SZABO E. A. , FUELOEP F. + , SOHAR P.
Published: May 2016

Mit cis‐ und trans‐2‐Amino‐4‐cyclohexen‐1‐carbonsäuren (I) werden die im Formelschema aufgeführten Reaktionen durchgeführt.
ChemInform Abstract: The Role of Norcaradiene Intermediates in the Thermal Rearrangement of Norbornadien‐7‐one Acetals.
Authors: SUNKO D. E. , LOVRIC Z. , VANCIK H.
Published: May 2016

Der aus dem Anhydrid (I) zugängliche Diester (III) lagert sich spontan über Norcaradien (IV) und Cycloheptatrien (V) in den Triester (VI) um.
ChemInform Abstract: Nickelocene‐Lithium Aluminium Hydride. A New Effective Desulphurization Reagent.
Authors: CHAN M.‐C. , CHENG K.‐M. , LI M. K. , LUH T.‐Y.
Published: May 2016

Durch Nickelocen/Lithiumaluminiumhydrid werden die C‐S‐Bindungen in den Mercaptanen (I) und (VI) sowie Thioethern (IV) und (VIII) und im Disulfid (III) reduktiv gespalten.
ChemInform Abstract: Activation of CO2 in the Reaction with Butadiene Catalyzed by Palladium Complexes.
Authors: DZHEMILEV U. M. , KUNAKOVA R. V. , SIDOROVA V. V.
Published: May 2016

Die Palladium‐katalysierte Carboxylierung von Butadien (I) führt in Abhängigkeit von Molverhältnis der Komponenten, von der Katalysatormenge und von den Reaktionsbedingungen zu wechselnden Gemischen der Octatri‐ encarbonsäuren (II) und (III) mit dem Lacton (IV).
ChemInform Abstract: Olefin Synthesis by Reaction of Stabilized Carbanions with Carbene Equivalents.
Authors: PEARLMAN B. A. , PUTT S. R. , FLEMING J. A.
Published: May 2016

Die Nitrile (I) werden mit Tributyl‐iodmethyl‐zinn (II) zu (III) substituiert und dann mit Methyllithium/Lithiumbromid zu den Olefinen (IV) gespalten.
ChemInform Abstract: A Clean and Reproducible Synthesis of 1‐Bromo‐2‐ethoxyethene.
Authors: STALICK W. M. , KHORRAMI A.
Published: May 2016

Die Darstellung der im Titel genannten Verbindung (IV) aus Ethylvinylether (I) wird optimiert.
ChemInform Abstract: Chemistry of Organic Fluorine Compounds. Part 28. Reactivity of 2,2‐Difluoro‐ 3‐methyl‐3‐butenal Toward Some O‐, N‐ and C‐Nucleophiles.
Authors: VESELY I. , DEDEK V.
Published: May 2016

Title compound (I) displays a marked tendency to polymerization; (II) and (IV) are two of the few N‐ and O‐nucleophiles that react with (I) to give the expected products (III) and (V) in moderate yields.
ChemInform Abstract: Conformational Control of Enolate Geometry: A Short Synthesis of Germacrene‐D.
Authors: SCHREIBER S. L. , HAWLEY R. C.
Published: May 2016

Aus dem Cyclohexenon (I) wird Germacren D (VIII) hergestellt und in Mintsul‐ ?d (IX) bzw. β‐Bourbonen (X) übergeführt.
ChemInform Abstract: A Facile Synthesis of 1,4‐Benzoquinones Having a Hydroxyalkyl Side Chain.
Authors: GOTO G. , OKAMOTO K. , OKUTANI T. , IMADA I.
Published: May 2016

Zunächst werden entsprechend den Umsetzungen des Formelschemas auf verschiedenen Wegen die (o‐Acetoxyalkansäuren (III) dargestellt und in die Säurechloride (XII) übergeführt.
ChemInform Abstract: Characterization of Nitrobenzanthracenes and Nitrodibenzanthracenes.
Authors: IVERSEN B. , SYDNES L. K. , GREIBROKK T.
Published: May 2016

Nitration of benz[a]anthracene yields the 7‐ (I) and 12‐nitro derivative (II) as main products.
ChemInform Abstract: Sulfur Extrusion from 3H‐1,2‐Dithiol‐3‐imines: Isolation and Molecular Structure of 2‐(Arylimino)‐2H‐thietes.
Authors: GOERDELER J. , YUNIS M. , PUFF H. , ROLOFF A.
Published: May 2016

The 1,2‐dithiol‐3‐imines (IV) are obtained from (I).
ChemInform Abstract: F‐Acids ‐ Precursors of Urofuranic Acids.
Authors: SCHOEDEL R. + , DIETEL P. , SPITELLER G.
Published: May 2016

The excretion of the pentylurofuranic acid (I) in human urine strongly increases after intake of a sample of F‐acid methyl ester (II).
ChemInform Abstract: Carbon Dioxide: A Reagent for the Protection of Nucleophilic Centres and the Simultaneous Activation of Alternative Locations to Electrophilic Attack.
Authors: KATRITZKY A. R. , AKUTAGAWA K.
Published: May 2016

Indol kann unter Verwendung von Li‐Salzen und Kohlendioxid zum Schutz der N‐Funktion mit zahlreichen elektrophilen Reagentien (II) in einfacher Weise in die entsprechenden Substitutionsprodukte (III) übergeführt werden.
ChemInform Abstract: The Influence of Steric and Electronic Effects on the Stability of Aldonitrones and on Their Conversion into Isoxazolidines.
Authors: AURICH H. G. , EIDEL J. , SCHMIDT M.
Published: May 2016

The nitrones (III) were isolated from the reaction of the hydroxylamine (Ia) with aldehydes (IIa)‐(IIg).
ChemInform Abstract: Synthesis of N‐Substituted Muscimol Derivates Including N‐Glycylmuscimol.
Authors: FREY M. , JAEGER V. +
Published: May 2016

Es wird eine verbesserte Synthese für Muscimol (VIa) sowie weitere Isoxazol‐Derivate beschrieben.
ChemInform Abstract: 2H‐Thiopyrans as Intermediates in the Rearrangement of Thiophenium Bisalkoxycarbonylmethylides to Thiophene‐2‐malonates: The Crystal and Molecular Structures of 2,2‐Bis‐tert‐butoxycarbonyl‐5‐bromo‐2H‐thiopyran and 2,2‐Bis‐tert‐butoxycarbonyl‐6‐bromo‐2H‐thiopyran.
Authors: BOWLES T. , JONES R. , PORTER A. E. A. , RECHKA J. A. , RZEPA H. S. , WILLIAMS D. J.
Published: May 2016

Das aus 2‐Brom‐thiophen (I) und dem Diazomalonester (II) erhaltene Thiopheniummethylid (III) lagert sich thermisch in das Thiopyran (IV) um.
ChemInform Abstract: A Convenient Synthesis of 4‐Hydroxy‐3‐nitropyridine.
Authors: RASALA D. , GAWINECKI R.
Published: May 2016

Es wird eine verbesserte Vorschrift für die Darstellung der im Titel genannten Verbindung (II) aus (I) angegeben.
ChemInform Abstract: Nitrogen‐bridged Heterocycles. Part 5. Preparation of Pyrido‐ and Azepino‐fused Cycl[3.2.2]azines.
Authors: NOGUCHI M. , TANIGAWA N. , KAJIGAESHI S.
Published: May 2016

The title compounds (V) are obtained from the reaction of electron‐deficient alkynes (IV) with the heterocycles (IIc).
ChemInform Abstract: A One‐Step Synthesis of 1,4‐Benzodiazepines: Synthetic Studies on Neothramycin.
Authors: MORI M. , KIMURA M. , UOZUMI Y. , BAN Y.
Published: May 2016

Aus den 2‐Halogen‐anilinen (I) erhält man unter Carbonylierungs‐Bedingungen mit den Glycin‐Derivaten (II) die Benzodiazepindione (III) neben den Hydantoinen (IV).
ChemInform Abstract: Addition of Monobromo‐ and Dibromomalonic Ester to Vinyltrimethylsilane.
Authors: AMRIEV R. A. , VINOGRADOVA L. V. , VELICHKO F. K.
Published: May 2016

Die Malonester (I) lagern sich in Gegenwart von Dibenzoylperoxid an Vinyltrimethylsilan (II) unter Bildung der Addukte (III) an.
ChemInform Abstract: Molecular Building Blocks for the Synthesis of Ceramic Materials: (Si8O12)(OCH3)8.
Authors: DAY V. W. , KLEMPERER W. G. , MAINZ V. V. , MILLAR D. M.
Published: May 2016

The title compound (Ia) prepared as shown is designed to serve as a building block for the synthesis of silicas based on [Sigolzlog/z subunits by hydrolysis followed by condensation.
ChemInform Abstract: Pyrophosphate Formation via a Phosphoramidate Intermediate in Polyammonium Macrocycle/Metal Ion‐Catalyzed Hydrolysis of ATP.
Authors: YOHANNES P. G. , MERTES M. P. , MERTES K. B.
Published: May 2016

Der Einfluß von Mg‐, Caund Zn‐dibromid auf die Hydrolysegeschwindigkeit von ATP in Gegenwart des Makrocyclus (Ia) bei pH 7.6 und 70°C sowie auf die Konzentration des Phosphoramidat‐Zwischenprodukts (Ib) wird mittels 31P‐NMR‐Spektroskopie untersucht.
ChemInform Abstract: Highly Reactive Organolanthanides. Synthesis, Chemistry, and Structures of 4f Hydrocarbyls and Hydrides with Chelating Bis(polymethylcyclopentadienyl) Ligands.
Authors: JESKE G. , SCHOCK L. E. , SWEPSTON P. N. , SCHUMANN H. , MARKS T. J.
Published: May 2016

Die wie aufgezeichnet synthetisierten Li‐dimethylsilylen‐bis‐(tetramethylcyclopentadienyl)‐lanthanide (II) reagieren mit Bis‐[trimethylsilyl]‐methyl‐Li zu den Disilylmethyl‐Derivaten (III).
ChemInform Abstract: Synthetic, Structural, Spectroscopic, and Theoretical Studies of Decamethylvanadocene Arylnitrenes.
Authors: OSBORNE J. H. , RHEINGOLD A. L. , TROGLER W. C.
Published: May 2016

Die Titelverbindungen (I) werden wie aufgezeichnet aus Decamethylvanadocen (II) und den Arylaziden erhalten.
ChemInform Abstract: Synthesis, Structure, and Reactivity of the {[(η5‐C5H5)2U]2(μ‐κ2O‐TiW5O19)2}4‐ Anion.
Authors: DAY V. W. , EARLEY C. W. , KLEMPERER W. G. , MALTBIE D. J.
Published: May 2016

The reaction of the potential tridendate ligand ClTiwsOifg" , prepared from TiCl4 and W02" , with (C5H5)3UCI yields, instead of the expected adduct, the stable title complex anion (I).
ChemInform Abstract: Mixed‐Valence Dialkylbiferrocenium Salts: An Explanation for the Observed Temperature Dependence of Electron‐Transfer Rates.
Authors: DONG T.‐Y. , HENDRICKSON D. N. , IWAI K. , COHN M. J. , GEIB S. J. , RHEINGOLD A. L. , SANO H. , MOTOYAMA I. , NAKASHIMA S.
Published: May 2016

Data are presented to indicate that the rate of intramolecular electron transfer in mixed‐valence biferrocenium triiodide (Ia) and mixed‐valence dialkyl‐substituted biferronium triiodide salts (Ib) , (Ic) is controlled by dynamics in the solid state.
ChemInform Abstract: Valence‐Detrapping Modes for Electron Transfer in the Solid State of Mixed‐Valence, Oxo‐Centered, Trinuclear Iron Acetate Complexes: X‐Ray Structure and Physical Data for [Fe3O(O2CCH3)6 (4‐Et‐py)3](4‐Et‐py).
Authors: OH S. M. , HENDRICKSON D. N. , HASSETT K. L. , DAVIS R. E.
Published: May 2016

Temp.‐dependent Mössbauer spectra of the complexes (I) and (II) and the X‐ray structure of the title compound (Ic) at 163 and 298 K (both C2/c, Z=4), which indicate more symmetric of the Fe3 triangle at the higher temp., are determined and discussed.
ChemInform Abstract: Solution Equilibria Between C‐Bonded CO and Π‐CO Ligands in Four‐Iron Clusters and Cleavage of the Π‐CO Ligand.
Authors: HORWITZ C. P. , SHRIVER D. F.
Published: May 2016

The interaction of the Lewis acids [R3PAu] , [LCu] and [MeHg]+ with the tetrahedral cluster [Fe4(CO),3]2" produces an equilibrium mixture of the tetrahedral isomer (I) and the butterfly isomer (II) with a I′l‐ CO ligand between the wingtips in solution.
ChemInform Abstract: (Carbonylbis((dialkylamino)phosphido))hexacarbonyldiiron Complexes: Migration of a Carbonyl Group from Iron to Phosphorus.
Authors: KING R. B. , WU F.‐J. , SADANANI N. D. , HOLT E. M.
Published: May 2016

Das Tetracarbonylferrat (I) in Form seines Dioxan‐Sesquisolvats reagiert mit den Aminodichlorophosphinen (II), die sperrige N‐Substituenten enthalten, unter Bildung der Titelkomplexe (III).
ChemInform Abstract: Pentamethylcyclopentadienyl Transition Metal Complexes. Part 10.
Authors: KOELLE U. + , FUSS B.
Published: May 2016

Die Ethylenabspaltung aus dem Co(I)‐Komplex (I) in siedendem Hexan in Gegenwart der Acetylene (II) liefert neben den Acetylentrimerisierungsprodukten (IIIa)‐(IIIc) für (IIc) die Komplexe (IV) und (V) und für (IId) den neuen Komplextyp (VI).
ChemInform Abstract: Multiple Metal Exchange for μ3‐Methylidyne Tricobalt Clusters.
Authors: BLUMHOFER R. , FISCHER K. , VAHRENKAMP H.
Published: May 2016

Auf die Titelkomplexe (I) werden die bekannten Metallaustausch‐Reagentien (II)‐(IV) angewendet.