bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Synthetic Applications of 2‐Cyanopiperidines. Part 2. Model Studies in the Synthesis of the Indole Alkaloid Vinoxine.
Authors: BENNASAR M.‐L. , BOSCH J.
Published: May 2016

The reaction sequence shown in the scheme renders possible the synthesis of the required N‐heterocycles (VIII) with an ethylidene side‐chain.
ChemInform Abstract: Self‐complementary Tetradeoxyribonucleoside Triphosphates. Convenient Chemical Preparation and Spectroscopic Studies in Solution.
Authors: MATSUZAKI J. , HOTODA H. , SEKINE M. , HATA T. , HIGUCHI S. , NISHIMURA Y. , TSUBOI M.
Published: May 2016

Eight kinds of self ‐ comple‐ mentary tetradeoxyribonucleoside triphosphates (VIII)‐(XV) are prepared b‐y a simplified method which allows omission of the purification of synthetic intermediates and provides the tetramers very rapidly and conveniently: The protected nucleosides (Ia), (Id) are converted into the derivatives (Ib), (Ie) or (Ic), (If); the more advantageously protected guanosine derivatives (IVa), (IVb) are prepared from (Ie), (If).
ChemInform Abstract: Stereocontrolled Synthesis of a Polyether Fragment.
Authors: BARTLETT P. A. , HOLM K. H. , MORIMOTO A.
Published: May 2016

Ausgehend von der Carbo‐nsäure (I) wird gemäß der im Schema angegebenen Synt?hesesequenz das Tetrahydro‐ pyranlacton (XVb) hergestellt.
ChemInform Abstract: Pseudomonic Acid C from L‐Lyxose.
Authors: KECK G. E. , KACHENSKY D. F. , ENHOLM E. J.
Published: May 2016

Die Synthese von Pseudomonsäure C (II) aus L‐Lyxose (I) wird in einer ausführlichen Untersuchung beschrieben.
ChemInform Abstract: Synthetic Studies Towards the Acyltetronic Acid Ionophore M 139603.
Authors: DOHERTY A. M. , LEY S. V.
Published: May 2016

Aus dem Hydroxy‐carbonsäureester (I) erhält man über die Zwischenstufe (II) die isomeren Dichlor‐cyclobutanone (III) und (IV), die zu den Lactonen (V) und (VI) oxidiert werden.
ChemInform Abstract: Infrared Spectrum of a Symmetrical Phosphine‐Ozone Complex in Solid Argon.
Authors: WITHNALL R. , HAWKINS M. , ANDREWS L.
Published: May 2016

Cocondensation of Ar/PH3 and Ar/O3 samples at 12‐18 K produces sharp satellite absorption bands.
ChemInform Abstract: BaAl4 Derivative Structures of ARu2X2 (A: Ca, Sr, Ba, Eu; X: P, As) (I) and of APt2P2‐x (A: Ca, Eu) (II).
Authors: WENSKI G. , MEWIS A.
Published: May 2016

The title compounds are prepared by heating (z 1000°C) mixtures of the elements in corundum crucibles in Ar atmosphere.
ChemInform Abstract: Mixed Crystals from A4B3 Molecules (A: P, As; B: S, Se).
Authors: BLACHNIK R. , WEBER TH. , WICKEL U.
Published: May 2016

In the quaternary system P483 ‐ P4Se3 ‐ A5483 ‐ As4Se3 five regions of solid solubility with different crystal structures are detected at 20°C using thermal and X‐ray methods.
ChemInform Abstract: High‐Resolution Solid‐State 31P NMR at 109.3 MHz of the Penta‐Sodium Catena‐Triphosphates Na5P3O10‐I, Na5P3O10‐II, and Na5P3O10·6 H2O.
Authors: HAUBENREISSER U. , SCHELER G. , GRIMMER A.‐R.
Published: May 2016

Only small differences in the geometries of the title triphosphates cause significant different NMR parameters of the P04 units (isotropic chemical shift, shielding anisotropy, and asymmetry parameter).
ChemInform Abstract: Absolute Rate Constants for the Reaction SiH2 + D2.
Authors: JASINSKI J. M.
Published: May 2016

The rate constant of the title reaction, as measured by laser resonance absorption flash kinetic spectroscopy, is four orders of magnitude larger than previous data.
ChemInform Abstract: Dioxygenyl Salts Containing Doubly Charged Mononuclear Counterions.
Authors: BOUGON R. A. , CHRISTE K. O. , WILSON W. E.
Published: May 2016

Durch Umsetzung des Antimonates (I) mit den Metallfluoriden (II) werden als erste Vertreter von Dioxygenylsalzen mit zweifach geladenen einkernigen Gegenionen die Dioxygenylsalze (III) gebildet.
ChemInform Abstract: Characterization of Lithium Vanadates (V/Li ⩽ 1) Prepared by an Aqueous Process.
Authors: TOUBOUL M. , POPOT A.
Published: May 2016

In the H2O ‐ LizO ‐ V2O5 system the vanadates (I) and (II) exist in equilibrium at 56°C : the solubility of (I) is very low whereas (II) has a very high solubility in the limit of congruence.
ChemInform Abstract: Acidic Properties of Compounds with C = C or N = N Electrophilic Double Bonds.
Authors: GHIO C. , TOMASI J. , WEILL J. , SILLION B.
Published: May 2016

The investigation is based on the analysis of the interaction energy of organic compounds, such as (I)‐(IV) e.g., with a selected Lewis basis, obtained via ab initio SCF computations.
ChemInform Abstract: Preparation of Optically Active Alcohols from 1,3‐Dioxan‐4‐ones.
Authors: SEEBACH D. , IMWINKELRIED R. , STUCKY G.
Published: May 2016

Durch Reaktion der Dioxane (I) mit den Si‐Reagentien (II) und (III) unter der angegebenen Bedingung erhält man die Carbonsäuren (IV) (Diastereoselektivität: 87‐99%).
ChemInform Abstract: Metalated Nitrogen Derivatives of Carbonic Acid in Organic Synthesis. Part 31. α‐Deprotonation of an α‐Chiral 2‐Alkenylcarbamate with Retention and Lithium‐Titanium Exchange with Inversion ‐ the Homoaldol Reaction with 1,3‐Chirality Transfer.
Authors: HOPPE D. , KRAEMER T. +
Published: May 2016

Deprotonation of the carbamate (Ib) [from (Ia)] and trapping of the intermediate Li species (II) with the aldehyde (IVa) yield the Z‐anti (IIIa) and the Z‐ syn (IIIb) adducts.
ChemInform Abstract: Reactivity of Cyclopentanone Enamines Towards Acyl Aryldiazenes.
Authors: BENEDETTI F. , FORCHIASSIN M. , RUSSO C. , RISALITI A.
Published: May 2016

The reaction of enamines (I) with diazenes (II) leads to the formation of either (III), (IV) or (V) as set out in the scheme; the hydrolysis of these products generally yields the cyclopentanones (VI).
ChemInform Abstract: Thermal Addition of Alkanes to Alkenes. Part 2. Addition of Cyclohexane to Acrylate in a Free Radical Chain Reaction.
Authors: HARTMANNS J. , KLENKE K. , METZGER J. O.
Published: May 2016

Die Untersuchung der Kinetik der Titelreaktion, bei der oberhalb 200°C 3‐Cyclohexylpropionsäure‐phenylester entsteht, zeigt, daß diese Reaktion als Radikalkettenreaktion verläuft.
ChemInform Abstract: Thermal Addition of Alkanes to Alkenes. Part 4. Regioselectivity in the Addition of Cyclohexane to 1,2‐Disubstituted Alkenes.
Authors: METZGER J. O. , KLENKE K. , HARTMANNS J. , EISERMANN D.
Published: May 2016

Die Regioselektivität der Addition von Cyclohexan (I) an die Alkene (II) wird bei 300‐450 °Cgemessen.
ChemInform Abstract: Laticyclic 1,5‐Conjugation Between Parallel, Neighboring Azo Groups and Phenyl Groups.
Authors: BECK K. , HUENIG S. +
Published: May 2016

Unsensitized irradiation of the compounds (Ia) and (Ib) yields the products (IIa) or (IIb) (this is the first [2 + 6] photocycloaddition of an azo group and a benzene ring), whereas the compound (III) is unreactive under the same conditions.
ChemInform Abstract: Reactions of 4,5‐Unsaturated 3‐Oxoalkanenitriles with Michael Acceptors.
Authors: HEINISCH G. , HOLZER W. , NAWWAR G. A. M.
Published: May 2016

The pyran (III) can be obtained by reaction of the ketone (I) with dinitrile (II) as well as by reaction of ketone (V) with dinitrile (IV).
ChemInform Abstract: 1‐Aminohypoxanthine and Analogues.
Authors: SCHEINER P. , ARWIN S. , ELIACIN M. , TU J.
Published: May 2016

Die o‐Amino‐hydrazide (II), (Vb), (VII), (IX), (XI) oder (XIV) cyclisieren in literaturbekannter Weise mit den Orthocarbon‐ säureestern (I) teils zu den im Titel genannten Verbindungen (III), (VI), (VIII), (X) oder (XV), teils zu den Oxadiazolen (XII) bzw. (XVII).
ChemInform Abstract: Synthesis of Optically Active γ‐Hydroxy α,β‐Unsaturated Acid Derivatives from Enantiomerically Pure Sulphoxides.
Authors: ANNUNZIATA R. , CINQUINI M. , COZZI F. , RAIMONDI L. , RESTELLI A.
Published: May 2016

Tandem Knoevenagel‐type condensation of the sulfoxides (Ia) [(Ib) is unreactive] with the carbonyl compounds (II) leads stereoselectively to the adducts (III) which can be converted to the desired final products (VIIa), (VI Ib) via the intermediates (IV) and (V) (from [2,3] sigmatropic shift of the allylic sulfoxide oxygen).
ChemInform Abstract: Regioselective Generation and Diastereoselective Reactions in the β‐Position of Nitro Groups of Secondary Nitroalkanes Through α,β‐Doubly Deprotonated Derivatives (Super‐enamines).
Authors: BRAENDLI U. + , EYER M. , SEEBACH D.
Published: May 2016

Unter der Bedingung A) lassen sich sek. Nitroalkane, wie am Beispiel des offenkettigen Vertreters (I) gezeigt ist, unter Bildung von Bis(lithiooxy)enaminen [‐ (II)] doppelt protonieren.
ChemInform Abstract: Chemoselective Oxidation of Secondary Hydroxy Groups by the Molybdenum Hexacarbonyl/Cetylpyridinium Chloride/tert‐Butyl Hydroperoxide System.
Authors: YAMAWAKI K. , YOSHIDA T. , SUDA T. , ISHI Y. , OGAWA M.
Published: May 2016

Sekundäre Hydroxygruppen lassen sich mit dem im Titel beschriebenen System auch in Gegenwart primärer selektiv zu Ketonen oxidieren.
ChemInform Abstract: Enzymatic Syntheses of Chiral Building Blocks with Trifluoromethyl or Pentafluoroethyl Groups.
Authors: KITAZUME T. , ISHIKAWA N.
Published: May 2016

Eine Serie optisch aktiver, Fluor enthaltender Alkohole wird durch en‐zymatische Reduktion mit Bäcker‐Hefe aus den entsprechenden Ketonen hergestellt.
ChemInform Abstract: Synthesis of 3‐Fluoroazacyclanes: Action of Hydrogen Fluoride on 1‐Azabicyclo[n.1.0]alkanes.
Authors: ALVERNHE G. , LAURENT A. , TOUHAMI K. , BARTNIK R. , MLOSTON G.
Published: May 2016

Durch Umsetzung der 1‐Azabicycloalkane (I), (III) und (V) mit HF in der Flüssigphase oder mit Pyridin/HF (Olah′s Reagens) werden die 3‐Fluorazetidine (II), 3‐Fluorpiperidine (IV) und das 3‐Fluorazepin‐Derivat (VI) hergestellt.
ChemInform Abstract: In the Search for New Anticancer Drugs. Part 16. Selective Protection and Deprotection of Primary Amino Groups in Spermine, Spermidine and Other Polyamines.
Authors: SOSNOVSKY G. , LUKSZO J.
Published: May 2016

Several known methods are discussed for the selective protection of the terminal primary amino functions in the naturally occurring spermine (IIa), spermidine (IVa), and other polyamines like (II) and (IV) without affecting the secondary amino group(s).
ChemInform Abstract: Palladium‐catalyzed C‐C Bond Formation Involving Aromatic C‐H Activation.
Authors: CATELLANI M. , CHIUSOLI G. P. , RICOTTI S. , SABINI F.
Published: May 2016

Employing PhOK as the base, the Pd‐catalyzed reaction of olefins (I)/ (VI) with bromides (II)/ (VII) predominantly yields products of either type (III) or type (IV)/ (VIII), depending on the Substitution of the aromatic Substrate [(IX) is obtained in an analogous manner; the reaction of cis‐(VIa) produces trans‐(VIIIa)].
ChemInform Abstract: Reactions of Cyclic Oxalyl Compounds. Part 24. Reaction of 4‐Benzoyl‐5‐phenyl‐furan‐2,3‐dione with Phenylhydrazones and Phenylhydrazine.
Authors: AKCAMUR Y. , PENN G. , ZIEGLER E. , STERK H. , KOLLENZ G. , PETERS K. , PETERS E.‐M. , VON SCHNERING H. G.
Published: May 2016

Durch Reaktion der Phenylhydrazone (I) mit dem Furan (II) in der Schmelze oder in trockenem Benzol bei 80°C entsteht unter Abspaltung der Ketone R′COR2 jeweils die Carbonsäure (III).
ChemInform Abstract: Reaction with Umpolung of the Malonyl Radical.
Authors: GIESE B. , HORLER H. , LEISING M.
Published: May 2016

The malonyl radical (III) can be generated from the halomalonates (Ia) or (Ib) in a radical chain reaction.
ChemInform Abstract: Trimethylsilyl Cyanide ‐ a Reagent for Umpolung. Part 10. α,β‐Unsaturated Carbonyl Compounds from Saturated Carboxylic Acids by Redox Umpolung.
Authors: HERTENSTEIN U. , HUENIG S. + , REICHELT H. , SCHALLER R.
Published: May 2016

Deprotonation of acrylonitriles such as (I), (IV) or (VII) Ieads to anions of type (II), which can be captured by alkylating agents as electrophiles.
ChemInform Abstract: Conversion of Alcohols into Primary Amines, a New Mitsunobu Version of Gabriel‐ Type Synthesis.
Authors: SLUSARSKA E. , ZWIERZAK A.
Published: May 2016

Aseries of primary amines is available in the form of the hydrochlorides (IV) by the reaction sequence shown in the scheme.
ChemInform Abstract: A Simple Synthesis of 2‐Alkoxy‐4‐dialkylamino‐3‐aza‐3‐butenoic Nitriles and of N,N‐Dialkyl‐N′‐formylformamidines.
Authors: KANTLEHNER W. , HAUG E. , SPEH P. , BRAEUNER H. J. +
Published: May 2016

Mit Trimethylsilylcyanid (I) werden die Acetale (II) zu den Nitrilen (III) umgesetzt; mit Trimethylsilylchlorid (IV) und (II) erhält man die Aldehyde (V).
ChemInform Abstract: Nitration of the DBHA Cyclopropanecarboxylate Enolate. A New and Efficient Route to 1‐Aminocyclopropane‐1‐carboxylic Acid.
Authors: HAENER R. + , SEEBACH D.
Published: May 2016

Über eine Lithiierung wird aus dem Cyclopropancarbonsäureester (I) mit (II) der a‐Nitroester (III) erhalten.
ChemInform Abstract: A New Carbacyclin Synthesis.
Authors: BENNUA B. , DAHL H. , VORBRUEGGEN H. +
Published: May 2016

Die Corey‐Lactone (I) werden in γ‐Oxosäuren (II) übergeführt und mit Phenyliminovinyliden‐phosphoran (III) zu Bicyclo[3.3.0]octenonen (IV) umgesetzt.
ChemInform Abstract: Synthesis and Ringopening Polymerisation of Cyclooctadiene (1,4).
Authors: HOLTRUP W. , STRECK R. , ZAAR W. , ZERPNER D.
Published: May 2016

Als Zwischenprodukt bei der Cyclooctadien‐Isomerisierung von (I) nach (III) kann das 1,4‐Isomere (II) im kg‐Maßstab isoliert werden.
ChemInform Abstract: Stereochemical Control of Reductions. Part 8. Exploration of the Inner Limits of the Haptophilic Effect with 2‐Exo‐Substituted 7‐Methylenenorbornanes.
Authors: THOMPSON H. W. , WONG J. K.
Published: May 2016

Aus der 2‐endo‐Methyl‐7‐methylen‐norbornan‐carbonsäure (Ia) werden nach bekannten Verfahren in guten Ausbeuten die entsprechenden Derivate (Ib) bis (Ig) hergestellt.
ChemInform Abstract: The Nitration of Some 4‐Alkylphenols; Acid‐Catalysed Rearrangements of Some Polysubstituted 4‐Alkyl‐4‐hydroxycyclohexa‐2,5‐dienones.
Authors: GRAY M. J. , HARTSHORN M. P. , VAUGHAN J.
Published: May 2016

Nitration of the polysubstituted phenols (I) with fuming nitric acid at 50°C yields the nitrato dienones (II) and the hydroxydienones (III).
ChemInform Abstract: A New Class of Liquid Crystals Containing an Oxirane Ring.
Authors: SOLLADIE G. , BARTSCH R. , ZIMMERMANN R. G. , GOTTARELLI G.
Published: May 2016

It is shown that the trans stilbene epoxides (II) prepared from their stilbene precursors (I) (no yields given) represent a new class of nematic and smectic liquid crystals.
ChemInform Abstract: A Simple Route to the Intramolecular Quinhydrone of [2.2]Paracyclophanediene.
Authors: STOEBBE M. + , KIRCHMEYER S. , ADIWIDJAJA G. , DE MEIJERE A.
Published: May 2016

Photooxygenation of the diene (I) not only produces the already known endoperoxide (II) but also small amounts of a by‐product.
ChemInform Abstract: Synthesis of 4,6‐Dimethoxyindoles.
Authors: BLACK D. ST. C. , KUMAR N. , WONG L. C. H.
Published: May 2016

The indoles (IVa) and (IVb) are obtained by Bischler synthesis from (I), (II) and (III).
ChemInform Abstract: Inverted Prenylation of Nb‐Methoxycarbonyltryptamine. Synthesis of 3a‐(1,1‐Dimethylallyl)pyrrolo[2,3‐b]indole and 2‐(1,1‐Dimethylallyl)tryptamine Derivatives.
Authors: HINO T. , HASUMI K. , YAMAGUCHI H. , TANIGUCHI M. , NAKAGAWA M.
Published: May 2016

Die Alkylierung des Tryptamin‐Derivats (I) mit dem Chlorpropin (II) ergibt ein Gemisch aus (III), (IV) und (Va).
ChemInform Abstract: Unusual Reaction of N,N‐Dimethylacetamide Diethylacetal with 2‐Aminomethylene‐ 5,5‐dimethylcyclohexanedione‐1,3. Synthesis of Coumarine and Carbostyril Derivatives.
Authors: SHANAZAROV A. K. , CHISTYAKOV V. V. , GRANIK V. G.
Published: May 2016

Das Aminomethylencyclohexandion (I) reagiert mit Dimethylacetamiddiethylacetal (II) unter Kondensation zu einem Gemisch der beiden Verbindungen 84 (III) und (IV).
ChemInform Abstract: Transformation of trans,trans‐1‐Methoxy‐3,5‐diaryl‐2‐oxabicyclo[4.4.0]dec‐3‐enes into Semidithioacetals and 4H‐Thiopyranes. Structure of trans,trans‐1‐Mercapto‐3‐phenyl‐5‐(4‐methoxyphenyl)‐2‐thiabicyclo‐[4.4.0]dec‐3‐ene.
Authors: KLIMENKO S. K. , TYRINA T. I. , SOROKIN N. N. , VLASOVA L. V. , SHCHERBAKOV A. A. , ALEKSANDROV G. A. , STRUCHKOV YU. T. , KHARCHENKO V. G.
Published: May 2016

Die trans,trans‐ Acetale (I) reagieren mit Schwefelwasserstoff bei nachfolgender gleichzeitiger Behandlung mit Schwefelwasserstoff und Chlorwasserstoff zu Dithiohalbacetalen (II).
ChemInform Abstract: Cyanothioacetamide in Heterocyclic Synthesis: A New Approach for the Synthesis of 2‐Pyridothione and 2‐Pyridazinothione Derivatives.
Authors: MOHAREB R. M. , FAHMY S. M.
Published: May 2016

Starting from the pyridinthione (I), which is formed by self‐condensation of cyanothioacetamide (VIII), the pyridopyrazole (III), the pyridopyrimidine (IV), the pyridopyridine (V) and the bis‐pyridinthione compounds (VII) are synthesized.
ChemInform Abstract: Derivatives of 4,5‐Dihydroxy‐pyridones by Ring Enlargement.
Authors: STACHEL H.‐D. , WIESEND B. , KREINER C.
Published: May 2016

Aus den Benzy1idenverbindungen (I) entstehen die isomeren Brom‐hydrinether (II) und (III).
ChemInform Abstract: Synthesis of Heterocycles from Hydrazones of 1,5‐Diketones. Part 3.
Authors: MOSKOVKINA T. V. , TILICHENKO M. N.
Published: May 2016

Die alicyclischen 1,5‐Diketone (I) reagieren mit Phenylhydrazin (II) über die primär gebildeten Monohydrazone (III) in unterschiedlicher Weise unter Cyclisierung weiter, wie im Formelschema skizziert ist.
ChemInform Abstract: Synthesis of Novel Dihydropyrimidines and Tetrahydropyrimidines.
Authors: CHO H. , SHIMA K. , HAYASHIMATSU M. , OHNAKA Y. , MIZUNO A. , TAKEUCHI Y.
Published: May 2016

Die Kondensation der Amidine (II) mit den Olefinen (I) liefert zahlreiche tetrahydrierte Pyrimidinole (III), die sauer zu den Dihydro‐pyrimidinen (IV) dehydratisiert und dann in bekannter Weise z.B. zu (V) acyliert bzw. zu (VI) alkoxycarbonyliert bzw. zu (VIII) alkyliert werden können.
ChemInform Abstract: Acetals of Acid Lactams and Amides. Part 46. Unusual Reactions of α‐Cyano‐β‐dimethylaminocrotonamide with Derivatives of Anthranilic Acid.
Authors: YALIYSHEVA N. Z. , CHISTYAKOV V. V. , GRANIK V. G.
Published: May 2016

Die Umsetzung der Enaminoverbindung (I) mit Anthranilsäureester (II) und mit Anthranilsäure (IV) ergibt anstelle der erwarteten Umaminierungsprodukte das Chinazolindion (III) bzw. das Cyanochinolon (V).
ChemInform Abstract: Synthesis of Selected 3‐Substituted‐Pyrimido[5,4‐e]‐1,2,4‐triazine‐5,7‐diamines as Potential Folate Antagonists.
Authors: WERBEL L. M. , ELSLAGER E. F. , JOHNSON J. L.
Published: May 2016

Die Nitrile (I) werden über die Iminoether (II) mit dem Amino‐hydrazino‐pyrimidin (III) zu den Pyrimidotriazinen (IV) cyclisiert.
ChemInform Abstract: Cyanogen ‐ Bromide‐ and Methyl ‐ Chloroformate‐Mediated Synthesis of Some [3]Benzazonino[8,7,6‐abc]carbazole, [3]Benzazecino[9,8,7‐abc]carbazole, Naphth[1,8,7‐def]azonine and Naphth[1,8,7‐def]azecine Derivatives.
Authors: BREMNER J. B. , WINZENBERG K. N.
Published: May 2016

BF3‐mediated Fischer indolization of (I) yields the indole‐annelated Substrates (III).
ChemInform Abstract: Nicotinic Acid Lariat Ethers: Syntheses, Complexation and Reduction.
Authors: NEWKOME G. R. , MARSTON C. R.
Published: May 2016

Es werden die chiralen Kronenetherderivate (XVI) und (XVII) hergestellt.
ChemInform Abstract: Decamethylsilicocene ‐ Synthesis and Structure.
Authors: JUTZI P. , KANNE D. , KRUEGER C. +
Published: May 2016

Die Umsetzung des Dichlorobis‐[cyclopentadienyl]‐silans (I) mit Naphthalin‐Li, ‐Na oder ‐K führt zu der thermostabilen, jedoch luftempfindlichen, kristallinen Titelverbindung (II).
ChemInform Abstract: Bruceantin Support Studies. Part 8. Studies Related to the Robinson Transposition Reaction.
Authors: PARIZA R. J. , FUCHS P. L.
Published: May 2016

Das Dien (Ia) liefert mit Triphenylphosphin (II) das Phosphoniumsalz (IIIa); die aus (Ia) erhaltenen Halogenverbindungen (Ib) und (Ic) reagieren nicht in diesem Sinne.
ChemInform Abstract: Stable Selenocarbonyl Ylides.
Authors: ALLMANN R. , KAISER F.‐J. , KRESTEL M. , SEITZ G.
Published: May 2016

Die stabilen, kristallinen Selenocarbonyl‐ylide (III) werden durch Verdrängen von Triethylamin aus den Zwitterionen (II) mit den ausreichend nucleophilen Diaminocyclopropenselonen (I) erhalten.
ChemInform Abstract: Heterocyclisation Promoted by Mercuric Salts. A Highly Regioselective Synthesis of 3,4‐Dihydro‐2H,5H‐pyrano[3,2‐c][1]benzopyran‐5‐one Derivatives from 3‐(3‐Butenyl)‐4‐hydroxycoumarins.
Authors: BRAVO P. , TICOZZI C. , VIANI F. , ARNONE A.
Published: May 2016

Anumber of mercuric salts (II) can be employed to convert cournarins (I) to the tricyclic compounds (III); a competitive ring Closure to give linearly fused systems does not occur.
ChemInform Abstract: Stabilization of (Halogenoacetyl)organylphenylphosphanes ‐ Crystal Structure of Br(OC)4Mn(PMePhC(O)CCl3).
Authors: LINDNER E. , MERKLE R. D. , HILLER W. , FAWZI R.
Published: May 2016

Die sehr reaktiven Titelverbindungen (I) werden durch Reaktion mit (II) unter Bildung der Komplexe (III) stabilisiert.
ChemInform Abstract: New Diazenido‐complexes of Molybdenum(IV), Tungsten(IV), and Rhenium(III).
Authors: ALI H. M. , LEIGH G. J.
Published: May 2016

The way of preparation for the title compounds (III), (IV) or (VI) is shown in the scheme.
ChemInform Abstract: Syntheses, Structures, and Bonding of Heteropentametallic Clusters [MCo3(CO)12{μ3‐M′(EPh3)}] (M: Fe or Ru; M′: Cu or Au; E: P or As).
Authors: BRAUNSTEIN P. , ROSE J. , DEDIEU A. , DUSAUSOY Y. , MANGEOT J.‐P. , TIRIPICCHIO A. , TIRIPICCHIO‐CAMELLINI M.
Published: May 2016

The neutral pentametallic Clusters (IIa)‐(IIc) are prepared from (I).
ChemInform Abstract: Metal ‐ Phenoxyalkanoic Acid Interactions. Part 19. The Divalent Metal Complexes of 2‐Carboxyphenoxyacetic Acid and the Crystal Structures of catena‐μ‐[(2‐carboxylato‐O)phenoxyacetatoaquocopper(II)] and Diaquobis(2‐carboxyphenoxyacetato)copper(II).
Authors: KENNARD C. H. L. , SMITH G. , O'REILLY E. J.
Published: May 2016

The complexes were prepared by reacting a hot aqueous solution of a neutral salt of 2‐carboxyphenoxyacetic acid with an aqueous solution of Cu(II) acetate in l :l molar ratio.
ChemInform Abstract: Formamide as a Precursor to Cyanide in Mixed‐valence Copper(I,II) Cyanide Complexes.
Authors: CONNOR J. A. , GIBSON D. , PRICE R.
Published: May 2016

The dehydration of formamide by acetic anhydride forms hydrogen cyanide which reacts with Cu(I) acetate (II) to give simple cyano‐complexes of Cu(I), (I) or (III), and with Cu(II) acetate (V) to produce either a Cu(I) complex (IV) or a mixed‐valence compound (VI), depending on the solvent used.
ChemInform Abstract: Independent Control of Charge‐Transfer and Metal‐Centered Excited States in Mixed‐Ligand Polypyridine Ruthenium(II) Complexes via Specific Ligand Design.
Authors: WACHOLTZ W. F. , AUERBACH R. A. , SCHMEHL R. H.
Published: May 2016

In the series of Complexes [Ru(L′)"(L2)3‐"]2+ (n: O‐3), prepared as hexafluorophosphates by literature methods (in the cases n: l and n:2 from [Ru(L2)2C12] and [Ru(L′)2C12] by exchange of the chloro ligands against (Ia) and (Ib), resp.), absorption and emission energies decrease in the order [Ru(L′)3]2+ [Ru(L2)3]2+ [Ru(L′)(L2)2]′ [Ru(L′)2(L2)]2+ and are linearly related to the differences between the first oxidation and reduction potentials of the complexes, AE°.
ChemInform Abstract: Thionitrosyl Complexes of Ruthenium. Crystal Structure of (PPh4)2[{ RuBr4(NS)}2(μ‐N2S2)].
Authors: DEMANT U. , WILLING W. , MUELLER U. + , DEHNICKE K.
Published: May 2016

Der wie aufgezeichnet synthetisierte cis‐Dithionitrosyl‐Ru(VI)‐Komplex (II) bildet bei der Behandlung mit Triphenylmethylphosphoniumchlorid den anionischen Chlorokomplex (III) mit der aufgrund IR‐spektroskopischer Daten angenommenen chelatartigen Bindung des Chlorids.
ChemInform Abstract: Preparation, Spectroscopic Characterisation, Electrochemical and Photochemical Properties of cis‐Bis(2,2′‐bipyridyl)carbonylruthenium(II) Complexes.
Authors: KELLY J. M. , O'CONNELL C. M. , VOS J. G.
Published: May 2016

(Ia) is formed upon reaction of hydrated RuCl3 and L‐ L in DMF, the principal product of the reaction being RuC12(L‐ L)2.
ChemInform Abstract: Carbonyl Trichlorostannate Complexes of Platinum: Chemistry and 119Sn, 195Pt, and 13C NMR Spectroscopy.
Authors: HERBERT I. R. , PREGOSIN P. S. , RUEGGER H.
Published: May 2016

The reactions of the compounds (I) or (IV) with SnCIZ in the presence of CO yield only the Pt(II) species (II), (III) or (V) (isolated as NBu4 or PPh4 salts) if CH2Cl2 is used as solvent.
ChemInform Abstract: The Syntheses, Structures, and Electronic and Resonance‐Raman Spectroscopy of Halogen‐bridged Platinum(II,IV) Chain Complexes Involving Equatorially Coordinated Terdentate Amines: X‐Ray Crystal Structure of [Pt(II)(Me‐dien)I][Pt(IV)(Me‐dien)I3]I2, and Spectroscopy of [Pt(II)(dien)(NO2)][Pt(IV)(dien)(NO2)Br2]Br2.
Authors: FANIZZI F. P. , NATILE G. , LANFRANCHI M. , TIRIPICCHIO A. , CLARK R. J. H. , KURMOO M.
Published: May 2016

The title compound (Ia) crystallizes in the space group P2l/ n with Z=4.
ChemInform Abstract: Synthesis of 16β‐Methyl‐3β,17α‐dihydroxy‐5‐pregnen‐20‐one.
Authors: RYZNAR T. , SALWA H. , JAWORSKA R.
Published: May 2016

There is presented a way to synthesize the title compound (III) from the ketale (I) and methyl magnesium halogens (II).
ChemInform Abstract: Amino Acids. Part 4. Enantioselective Synthesis of N‐Substituted α‐Amino Carboxylic Acids from α‐Hydroxy Carboxylic Acids.
Authors: EFFENBERGER F. , BURKARD U. , WILLFAHRT J.
Published: May 2016

The (S)‐carboxylates (I) react with the corresponding prim. and sec. amines (III), (VII), (VIII) or (X) to give the N‐substituted (R)‐amino carboxylates (IV), (IX), or (XI).
ChemInform Abstract: Synthetic Cyclopeptides with Dihydroquinoline Units.
Authors: GUENDEL W.‐H. + , BOHNERT S.
Published: May 2016

Acylation of the aminoacid esters (II) with the acid chloride (I) [‐ (IIIa)], subsequent transformation into the amides (IIIb), and quaternization yield the salts (V) [(Vb) is formed along with the product (Vc); (Vb) can be prepared more advantageously from the acid (IX) and methionine amide (X) (no yield given)].
ChemInform Abstract: Syntheses of Novel Sugar Phosphine Derivatives and Homogeneous Hydrogenation Reactions with Their Rhodium Complexes.
Authors: SAITO S. , NAKAMURA Y. , MORITA Y.
Published: May 2016

Aus dem D‐Xylose‐Derivat (I) werden auf dem im Formelschema angegebenen Weg die optisch aktiven Phosphine (VIa) und (VIb) hergestellt, die in Form ihrer Komplexe mit der Rhodiumverbindung (VII) für asymmetrische Hydrierungen eingesetzt werden.
ChemInform Abstract: Building Blocks of Oligosaccharides. Part 64. Designing a Synthetic Block of 3‐0‐ β‐D‐Galactopyranosyl‐D‐galactopyranose.
Authors: PAULSEN H. , HASENKAMP T. , PAAL M.
Published: May 2016

Aus den Galaktosiden (I) werden über die Orthoester (II) die Glykosylakzeptoren (III) dargestellt und mit der geschützten Galaktose (IV) zu den Disacchariden (V) kondensiert.
ChemInform Abstract: Improved Synthesis of Conduritol B Epoxide.
Authors: LEE K. J. , BOYD S. A. , RADIN N. S.
Published: May 2016

Aus dem myo‐Inositol (Ia) wird über die geschützten Derivate (Ib) bis (Id) das cyclische Thiocarbonat (II) dargestellt und in Conduritol B (IIIb) übergeführt.
ChemInform Abstract: Purine Acyclic Nucleosides. 6‐Dimethylamino‐9‐[(2‐phenylalanylamido‐1‐substituted‐ethoxy)methyl]purines as Candidate Antivirals.
Authors: KELLEY J. L. , SELWAY J. W. T. , SCHAEFFER H. J.
Published: May 2016

Aus den Aminoalkoholen (I) werden die im Titel genannten Verbindungen (X) gemäß Schema synthetisiert.
ChemInform Abstract: Trifluorophosphine Complexes of Transition Metals
Authors: NIXON J. F.
Published: May 2016

Review: (structures and bonding as well as complexes with additional ligands such as alkene, alkyne, arene.
ChemInform Abstract: Alkyne‐substituted Transition Metal Clusters
Authors: RAITHBY P. R. , ROSALES M. J.
Published: May 2016

Review: (structures and bonding, fluxionality in solutions and reactivity.
ChemInform Abstract: Combined Solution Effects Yield Stable Thin‐Film Cd(Se,Te)/Polysulfide Photoelectrochemical Solar Cells.
Authors: LICHT S.
Published: May 2016

Photocurrent‐voltage and long‐term stability results of title solar cells are reported.
ChemInform Abstract: Heat Capacity and Other Thermodynamic Properties of Aqueous Magnesium Sulfate to 473 K.
Authors: PHUTELA R. C. , PITZER K. S.
Published: May 2016

The heat capacity of aqueous MgSO4 has been measured from 348 to 473 K. Ion‐interaction (Pitzer) equations are fitted to the data with additional guidance for Ü ; . The last quantity is obtained indirectly from literature data for MgCl2, Na2SO4 and NaCl.
ChemInform Abstract: Influence of Support Composition on the Reduction of Nitric Oxide Over Rhodium Catalysts.
Authors: PANDE N. K. , BELL A. T.
Published: May 2016

The activity of Rh supported on SiO2, Al2O3, MgO, La2O3, and TiO2 for NO reduction by CO and H2 has been investigated in regard to automotive emission.
ChemInform Abstract: Influence of Hydrazine Reduction on Metal Dispersion and Support Morphology in Bimetallic Ru‐Au/MgO Catalysts.
Authors: SHASTRI A. G. , SCHWANK J.
Published: May 2016

Ru‐Au/ M gO catalysts are prepared by impregnation of MgO with Cl‐containing precursors such as RuCl3 ‐ H2O. N2H4 reduction significantly loweres the residual Cl content of the catalyst and leads to much higher Ru metal dispersions; bimetallic Ru‐Au aggregates are confined to a parti‐ 7 . cle size of less than 5 nm.
ChemInform Abstract: Intermediates in the Oxidation of Azide Ion in Acidic Solutions.
Authors: ALFASSI Z. B. , PRUETZ W. A. + , SCHULER R. H.
Published: May 2016

Radiolytic oxidation of azide ion in acidic solutions occurs via a relatively unreactive intermediate (lifetime z 1011s), the HN; ′ radical anion, which is produced by attachment of egq) to HN3.
ChemInform Abstract: Conjugate Addition of (Trimethylstannyl)copper Reagents to α,β‐Acetylenic N,N‐Dimethylamides. Trapping of the Intermediates with Electrophiles.
Authors: PIERS E. , CHONG J. M. , KEAY B. A.
Published: May 2016

Es wird die Reaktion von Me3SnCu ‐ MeZS (II) und [Me3SnCuSPh]Li (III) mit α,β‐Alkin‐carbonsäureamiden (I) untersucht.
ChemInform Abstract: The Chemistry of Acyl‐ and Sulphonyl‐thionitroso Compounds.
Authors: METH‐COHN O. , VAN VUUREN G.
Published: May 2016

The thiophene S,N‐ylide (Va) reacts with acenaphthylene (I) and cyclopentene to give the adduct (III) and the thiohydroxylamine (IV).
ChemInform Abstract: Highly Stereoselective Synthesis of (2E,4E)‐Dienamides and (2E,4E)‐Dienoates via a Double Elimination Reaction.
Authors: MANDAI T. , MORIYAMA T. , TSUJIMOTO K. , KAWADA M. , OTERA J.
Published: May 2016

Aus den Phenylsulfonen (I) erhält man mit den Aldehyden (II) Addukte, die zu (III) acetyliert und dann mit tert.‐Butylat zu den Dienen (IV) gespalten werden.
ChemInform Abstract: Application of the Intramolecular Aza‐Wittig Reaction to the Synthesis of Vinylogous Urethanes und Amides.
Authors: LAMBERT P. H. , VAULTIER M. , CARRIE R.
Published: May 2016

Alkylierung der aus Acetessigsäureester (Ia) oder Acetylaceton (Ib) erzeugten Dianionen (II) mit den am‐Dihalogenalkanen (III) führt zu den co‐Halogen‐ß‐dicarbonylverbindungen (IV), die in die Azide (V) übergeführt werden.
ChemInform Abstract: Photochemical Carbonylation of Benzene by Iridium(I) and Rhodium(I) Square‐Planar Complexes.
Authors: KUNIN A. J. , EISENBERG R.
Published: May 2016

The carbonylation of benzene in the presence of the photocatalyst complex (I) is only observed upon long‐term continuous irradiation.
ChemInform Abstract: New Derivatives of 2,4‐Diphenylbicyclo[3.2.1]oct‐6‐ene.
Authors: HOFFMANN G. G. , KLEIN H.
Published: May 2016

Reaction of dibromo dibcnzylketone (I) with the fulvenc (II) yields the‐ bicyclo compound (III) which is converted to its epoxide (IV).
ChemInform Abstract: The Synthesis of Pentacyclo[6.4.0.02,7.03,12.06,9]dodeca‐4,10‐diene. A Pentacyclic Dimer of Benzene.
Authors: YANG N.‐C. C. , HORNER M. G.
Published: May 2016

Aus dem Dibrom‐cyclohexandiol (I) werden über die Dienstufe (IV) die Verbindungen (V)‐(VIII) hergestellt.
ChemInform Abstract: Cyclic Cross Conjugated Bond Systems. Part 46. "Heptahendecafulvalene".
Authors: BECK A. , KNOTHE L. , HUNKLER D. , PRINZBACH H. , RIHS G.
Published: May 2016

X‐Ray Structure Analysis ‐ Cycloaddition Reactions (I18 + 2 ).
ChemInform Abstract: Asymmetric Reactions. Part 61. Preparation of Secondary Alcohols of High Optical Purity.
Authors: CERVINKA O. , FABRYOVA A. , SABLUKOVA I.
Published: May 2016

Partially resolved enantiomers of optically active alcohols (I), obtained by enantioselective reduction of the corresponding ketones with lithium aluminium hydride in the presence of (‐)‐quinine, were converted into their crystalline 3,5‐dinitrobenzoates [from (Ia), (Ib)] or phenylcarbamates [from ([Ia), (Ic)].
ChemInform Abstract: New Synthetic "Tricks". One‐Pot Preparation of N‐Substituted Phthalimides from Azides and Phthalic Anhydride.
Authors: GARCIA J. , VILARRASA J. , BORDAS X. , BANASZEK A.
Published: May 2016

Phthalsäureanhydrid (I) reagiert mit den Aziden (II) in Gegenwart von Triphenylphosphin zu den Imiden (III), Zwischenstufen sind die Isoimide (IV).
ChemInform Abstract: Dichlorocyclopropanation, Epoxidation, and subsequent Reactions of Isotetralin Derivatives.
Authors: ABUL HASHEM M. , MARSCHALL‐WEYERSTAHL H. , WEYERSTAHL P.
Published: May 2016

Reaction of (I) with dichlorocarbene under phase transfer conditions in CH2C12/H2O yields (IIa), whereas reaction with a largc excess of CCI; yields a mixture of compounds (V), (IX), (XI) and (XII).
ChemInform Abstract: The Synthesis of Trisubstituted Tetrahydrofurans via the Use of an Organoselenium‐mediated Cyclisation Reaction.
Authors: BRUSSANI G. , LEY S. V. , WRIGHT J. L. , WILLIAMS D. J.
Published: May 2016

Compound (I) is protected as the silyl ether and undergoes cyclisation with NPSP in the presence of catalytic amounts of iodine or SnCl4 to give a mixture of (IIa) and (IIb).
ChemInform Abstract: Synthesis und Evaluation of 2,3‐Dihydrobenzofuran Analogues of the Hallucinogen 1‐(2,5‐Dimethoxy‐4‐methylphenyl)‐2‐aminopropane: Drug Discrimination Studies in Rats.
Authors: NICHOLS D. E. , HOFFMAN A. J. , OBERLENDER R. A. , RIGGS R. M.
Published: May 2016

Die aus den Dihydrobenzofuranen (I) zugänglichen Aldehyde (II) werden durch Kondensation mit Nitroethan und anschließende Reduktion in die Aminopropyl‐Derivate (V) übergeführt, die auf LSD‐analoge Wirkung bei Ratten geprüft werden.
ChemInform Abstract: Synthesis and Biological Activity of 3,3‐Diphenyl‐4‐ and ‐5‐carboxy‐2‐oxoindoline‐1‐acetic Acids and Their Derivatives.
Authors: BOLOTOV V. V. , NAMBELBAI A. , DROGOVOZ S. M. , VEREITINOVA V. P. , OSIPENKO L. K.
Published: May 2016

Durch Alkylierung der Indolin‐one (I) bzw. (XI) mit Chloressigsäureethylester (II) bzw. dem Chloracetamid (VI) erhält man die N‐Alkyl‐indolinone (III), (VII) und (XII), die alkalisch zu den entsprechenden Säuren (IV), (VIII) und (XIII) verseift werden können.
ChemInform Abstract: Synthesis and Antibacterial Properties of 1,3‐Dioxolans.
Authors: SABIROV S. S. , GULIN A. V. , PUSHKAR' N. V.
Published: May 2016

Die Ketone (I) reagieren mit Glykol (II) bzw. Glycerin (III) zu lß‐Dioxolanen (IV) bzw. (V).
ChemInform Abstract: Photodimerization of Tetrathiafulvalenecarboxylic Acid Esters in the Crystalline State.
Authors: KREITSBERGA YA. N. , LIEPIN'SH E. E. , MAZHEIKA I. B. , NEILAND O. YA.
Published: May 2016

The title compounds (I) and (IV) are photolyzed in the solid state to yield the dimers (II) and (V).
ChemInform Abstract: Dihydroimidazoles in Synthesis: C‐Alkylation of 1‐Benzyl‐2‐(α‐lithioalkyl)‐4,5‐dihydroimidazoles and a Synthesis of Alkanoic Acids.
Authors: ANDERSON M. W. , JONES R. C. F. , SAUNDERS J.
Published: May 2016

The dihydroimidazole (IIa) is metallated and C‐alkylated by reaction with alkyl halides (I) to give the dihydroimidazoles (IIb)‐(IId).
ChemInform Abstract: Synthesis of 4‐Methyl‐ and 4,4‐Dimethyl‐1,3‐dioxin‐2(4H)‐one and Related Enol Carboxylates.
Authors: BUYNAK J. D. , CHANDRASEKARAN R. , BARRETT A. G. M. , ATTRILL R. P. , BETTS M. J.
Published: May 2016

Die im Titel genannten Verbindungen (VII) und (XIII) werden ausgehend von den Allylalkoholen (I) und (XI) sowie dem Oxiran (VIII) über die Phenylselenyl‐Derivate (IV), (VI), (X) und (XII) auf den im Schema angegebenen Wegen synthetisiert.
ChemInform Abstract: Reactions of Carbonyl Diisocyanate with Amides and Acids.
Authors: AKTERIES B. , JOCHIMS J. C.
Published: May 2016

Carbonyl diisocyanate (I) reacts with primary amides (II) to give l‐acylated isocyanuric acids (III).
ChemInform Abstract: Reaction of 1‐Halogen‐3,3,3‐trifluoropropynes with Nitrogen Binucleophiles.
Authors: STEPANOVA N. P. , ORLOVA N. A. , TURBANOVA E. S. , PETROV A. A.
Published: May 2016

The title compounds (I) react with o‐diaminobenzene (II) to yield the benzimidazole (III), which is formed by reaction of (I) with one of the amino groups of compound (II), followed by intramolecular cyclization with the second amino group.
ChemInform Abstract: Synthesis of 13,13,13a,15,15‐Pentamethyl‐6H,7H,13H,13aH,15H‐1,4‐diazepino[1,7a:4,5a′]diindole and the Structure of Its Perchlorate.
Authors: SACKUS A. , SMRCEK S. , TRSKA P. , CERVINKA O.
Published: May 2016

Under the condition described, the title compound (III) is available from the reaction between the indole (I) and the dibromide (II).
ChemInform Abstract: Synthesis and Reactivity of 2‐Borolenes and of 3‐Borolenes.
Authors: HERBERICH G. E. , BOVELETH W. , HESSNER B. , HOSTALEK M. , KOEFFER D. P. J. + , OHST H. , SOEHNEN D. +
Published: May 2016

Die 3‐Borolene (III) lassen sich aus dem Dien (I) und den Boranen (II) synthetisieren.
ChemInform Abstract: Fixation and Activation of Carbon Dioxide on Aluminum Porphyrin.
Authors: KOJIMA F. , AIDA T. , INOUE S.
Published: May 2016

The porphyrin (III) adds CO2 and diethylamine to givc the unstable phorphinato Al carbamate (IV).
ChemInform Abstract: Actinacyclobutanes. Implementation of Thermochemically Based Strategies for the Ring‐Opening Stoichiometric C ‐ H Functionalization of Saturated and Olefinic Hydrocarbons.
Authors: FENDRICK C. M. , MARKS T. J.
Published: May 2016

The strained thoracyclobutane (I) undergoes ring opening by C ‐ H activation reactions with the methane derivatives (II) to give the compounds (III).
ChemInform Abstract: Methylene‐Carbonyl Coupling: Formation of Bridging η3‐Ketene and η4‐Oxaallyl Complexes.
Authors: HOLMGREN J. S. , SHAPLEY J. R. , WILSON S. R. , PENNINGTON W. T.
Published: May 2016

Treatment of Ru3(CO)",(Ph2PCl‐12PPh2)with 2‐3 equiv. of ethereal diazomethane in refluxing toluene for 10min provides along with the known ligand cleavage product RU3(CÖ)9 J.‐PPh‐CH2PPh(C6H4) the new complex (I).
ChemInform Abstract: Preparation and Characterization of Stable Ruthenium(IV)‐‐ Oxo Complexes That Contain Tertiary Phosphine Ligands.
Authors: MARMION M. E. , TAKEUCHI K. J.
Published: May 2016

The preparation of the cis‐Ru(IV) complex (IV), Starting from the dichloro cis‐Ru(II)comp1ex (I) as shown, is the first successful, general synthesis of Ru(IV)‐oxo complexes that contain tert. phosphine ligands in a position cis to the oxo ligand.
ChemInform Abstract: Reactions of Os5(CO)15C with Diphosphines; Synthesis, Reactivity, and the X‐Ray Crystal Structure of Os5(CO)15C(Ph2P(CH2)2PPh2).
Authors: JOHNSON B. F. G. , LEWIS J. , RAITHBY P. R. , ROSALES M. J. , WELCH D. A.
Published: May 2016

The reaction of the title cluster with 1,2‐bis(diphenylphosphino)ethene in CH2Cl2 under reflux affords the addition product (I).
ChemInform Abstract: Steroidal Allylic Epoxides.
Authors: GLOTTER E. , ZVIELY M.
Published: May 2016

The two allylic epoxides (II) and (X1) are obtained from the diols (I) and (X) by applying the oxidation method A).
ChemInform Abstract: Reductive Dehalogenation of 2,4‐Dihalogeno Estrogens Having a 3‐Hydroxy Substituent by Formic Acid, Potassium Iodide or Ascorbic Acid.
Authors: NUMAZAWA M. , KIMURA K. , OGATA M. , NAGAOKA M.
Published: May 2016

Die reduktive Enthalogenierung der 2,4‐Dibrom‐ (Ia)‐(IIIa) und 2,4‐Diiod‐östrogene (Ib)‐(IIIb) in DMF mit Ameisensäure, Kaliumiodid oder Ascorbinsäure in Gegenwart oder in Abwesenheit von Pd/ Kohle führt zu chromatographisch trennbaren Gemischen der entsprechenden Z‐Brom‐ (Ic)‐(IIIc) und 4‐Brom‐Derivate (Id)‐(IIId) bzw. der 2‐Iod‐ (Ie) bis (IIIc) und 4‐Iodverbindungen (If)‐(IIIf).
ChemInform Abstract: Peptide Liposomes from Amphiphilic Amino Acids.
Authors: NEUMANN R. , RINGSDORF H.
Published: May 2016

The amphiphilic amino acids (I) and (II) containing either cysteine or homocysteine are prepared in 40‐85°C /o yield by the thiol addition of the amino acids to maleic mono‐ or diesters or to the corresponding maleamic acid.
ChemInform Abstract: A New, Efficient Method for Hydrolysis of the Anomeric Acetyl Group in Substituted Hexopyranoses.
Authors: BANASZEK A. , CORNET X. B. , ZAMOJSKI A.
Published: May 2016

Unter den angegebenen Reaktionsbedingungen gelingt die selektive Hydrolyse der anomeren Acetylgruppe verschiedener substituierter Hexosen, z.B. (I), (III) und (V), zu den entsprechenden l‐unsubstituierten Zukkern (II), (IV) und (VI).
ChemInform Abstract: Crystal Structure of the Novel Copper Phosphate Cu3(PO4)2·H2O.
Authors: RIOU A. , GERAULT Y. , CUDENNEC Y.
Published: May 2016

The title compound, obtained in the ternary system CuO2‐P3O5‐H2O at 160°C, crystallizes in the monoclinic crystal system (C2/c, Z=8).
ChemInform Abstract: Thermal Decomposition of γ‐Irradiated Manganese Carbonate.
Authors: DESSOUKI A. M. , EL‐SHOBAKY G. A. , EL‐BARAWY K. A.
Published: May 2016

The effect of different doses ofy‐irradiation on the thermal decomposition 0 " MnCOl and the manganese oxides produced have been investigated using DTA and X‐ray diffraction.
ChemInform Abstract: Thermal and Mössbauer Studies of Iron‐Containing Hydrous Silicates.
Authors: MACKENZIE K. J. D. , BEREZOWSKI R. M. , BOWDEN M. E.
Published: May 2016

When heated in air, minnesotaite begins to oxidise to a ferric form aI 400°C. By the onset ofdehydroxylation at 600°C, oxidation is virtually complete without significant changes in the lattice parameters.
ChemInform Abstract: In Situ Rutherford Backscattering Spectroscopy (RBS) for Electrochemical Interphase Analysis.
Authors: KOETZ R. + , GOBRECHT J. , STUCKI S. , PIXLEY R.
Published: May 2016

The feasibility ofin situ RBS is demonstrated at two simple electrochemical processes: metal deposition and oxide formation.
ChemInform Abstract: Mechanism of the Action of Ag and As on the Anodic Corrosion of Lead and Oxygen Evolution at the Pb / PbO(2‐x) / H2O / O2 / H2SO4 Electrode System.
Authors: PAVLOV D. , ROGACHEV T.
Published: May 2016

Ag and As additives are introduced into the electrode System either by alloying with Pb or by dis solving them in the H3SO4 solution.
ChemInform Abstract: In Situ Raman Spectroscopic Study of the Reduction of HNO3 on a Rotating Silver Electrode.
Authors: THANOS I. C. G.
Published: May 2016

Spectroscopic evidence is given for the formation of ‐N:3" bonds at the Ag electrode surface during the reduction of N03′ ,even when no hydroxylamine is detected in the electrolyte.
ChemInform Abstract: Photoresponsive Graphite Electrode Coated with Bilayer Membranes of Prussian Blue (PB) and Polymer‐Pendant Ru(bpy)32+.
Authors: KANEKO M. , YAMADA A.
Published: May 2016

The photocurrent of the irradiated bilayer coated graphite electrode depends on the applied potential.
ChemInform Abstract: A Modified Method for the Electrolytic Preparation of Bis(fluorosulfuryl) Peroxide.
Authors: SINGH S. , VERMA R. D.
Published: May 2016

An improved electrolytic method for the preparation of S206F2 is proposed.
ChemInform Abstract: Preparation and Crystal Structure of the Isotypic Compounds Ca2Os3B5 and Eu2Os3B5.
Authors: SCHWEITZER K. , JUNG W.
Published: May 2016

The title borides (C2, Z=2) are obtained by reaction of the elements at 1100°C in sealed Ta compounds.
ChemInform Abstract: Nature of Intervalence Charge‐Transfer Bands in Prussian Blues.
Authors: ITAYA K. , UCHIDA I.
Published: May 2016

In order to resolve the discrepancy among the literature repons, it is shown that the remarkable shift of the peak position does occur for partially oxidized and reduced forms of Prussian Blue.
ChemInform Abstract: Internal Rotation in Simple Ethenols
Authors: PLANT C. , SPENCER K. , MACDONALD J. N.
Published: May 2016

SCF approximation.
ChemInform Abstract: Conformation of a Sterically Congested Amide Group in the Crystalline State and in Solution.
Authors: MUEHLEBACH A. + , LORENZI G. P. , GRAMLICH V.
Published: May 2016

The conformation of the amide group in the crystalline state and in solution is investigated in the case of the model amides (I).
ChemInform Abstract: The Stereochemistry of the Nucleophilic Opening of the Cyclopropane Ring in the Four Diastereoisomeric Lanugons J (Spirocoleons).
Authors: BUSS P. , PREWO R. , BIERI J. H. , RUEEDI P. +
Published: May 2016

Methanolysis of the four diastereomeric IanugonsJ (Ia)‐(ld) is shown to proceed stereospecifically with inversion of the configuration at the attacked C‐atom C‐15 or C‐I6, respectively.
ChemInform Abstract: Boron Trichloride Catalyzed ortho Carbonylation of Phenols: Synthesis of 2‐Hydroxy‐aryl‐carboxyamides and ‐ketones.
Authors: PICCOLO O. , FILIPPINI L. , TINUCCI L. , VALOTI E. , CITTERIO A.
Published: May 2016

Phenol (I) reacts with isocyanates (I I) in the presence of an equimolar quantity of BCI3 to give the amides (III); the amides (IV) are prepared similarly.
ChemInform Abstract: Asymmetric Diels‐Alder Cycloadditions Using Chiral Alkyl Vinyl Ethers and a Dienyl Sulfone.
Authors: POSNER G. H. , WETTLAUFER D. G.
Published: May 2016

Aus dem Dien‐lacton (I) erhält man mit den Vinylethern (II) die Die1s‐ Alder‐Addukte (III).
ChemInform Abstract: Ylide‐Induced Ylide Formation: A Novel Double Cycloaddition Reaction of a [1,2,4]Triazolo[1,5‐a]pyrimidinium Ylide.
Authors: HORI M. , KATAOKA T. , SHIMIZU H. , IMAI E. , TANAKA K. , KIMURA K. , HASHIMOTO Y. , KIDO M.
Published: May 2016

Aus dem TriazoIo‐pyrimidinium‐Salz (I) erhält man über das Ylid mit Propiolsäuremethylester (H) intermediär das Cycloaddukt (III), das zu (IV) und (V) gespalten wird.
ChemInform Abstract: Preparation of Vicinal Azidohydrins by Reaction of Oxiranes with Triethylaluminium/Hydrogen Azide.
Authors: MEREYALA H. B. , FREI B.
Published: May 2016

The epoxides (1), (III) are transformed to the azidohydrins (II) (IV) in a novel, mild, and highly stereoselective reaction.
ChemInform Abstract: Alkylthio‐substituted (Aza)fulvalenes.
Authors: GOMPPER R. , GUGGENBERGER R.
Published: May 2016

The azwdithiafulvallenes (III) und the uzu‐ Calicenes (V) are formed when pyrrolcs ( Ia), ( Ib) and indole(Ic) are reacled wilh lhc tetra?uoroborates (II) or ( IV), resp. [the lauer is reudily prepared (′rom tetruchlorocyclopropene and dimethylmethylthiosulfonium telra?uoroborute (7()"/n)].
ChemInform Abstract: Organic Synthesis with α‐Chlorosulphides. Conversion of Phenols into γ‐Lactones Using Methyl‐2‐chloro‐2‐(alkyl or arylthio)carboxylates.
Authors: KENNEDY M. , MAGUIRE A. R. , MCKERVEY M. A.
Published: May 2016

Die Phenole (Ia) und (Ib) reagieren mit dem Butylthio‐chlor‐propionsäureestern (IIa) zu den Bicyclen (III), die mit Zinkstaub/Eisessig zu dem Lacton (IV) entschwefelt und im Falle des Esters auch verseift werden.
ChemInform Abstract: Rearrangement of Cyclic Alcohols with an Adjacent Phenylthio (PhS)‐ Group: Migration of a PhS Group Around a Ring.
Authors: HANNABY M. , WARREN S.
Published: May 2016

Die Cycloalkanone (I) reagieren in Form der Enolether (II) mit Phenylsulfenylchlorid (III) zu den 2‐Phenylthio‐cycloalkanonen (IV), die auch aus (I) über die Z‐Brom‐cycloalkanone (V) hergestellt werden können.
ChemInform Abstract: A Formal CH Insertion Reaction of an Aryl Nitrene into an Alkyl CH Bond.
Authors: TORRES M. J. , ZAYAS J. , PLATZ M. S.
Published: May 2016

(IV).
ChemInform Abstract: Flash Vacuum Pyrolysis of 1‐Propynoylpyrazoles: A New Precursor of Tricarbon Monoxide.
Authors: BROWN R. F. C. , GODFREY P. D. , LEE S. C.
Published: May 2016

Das aus Dimethylpyrazol (1) mit Propiolsäure (II) in Gegenwart von Carbodiimid erhaltene Acylierungsprodukt (III) liefert bei der Blitz‐Pyrolyse bei 640°C im Vakuum über die Zwischenstufe (IV) den Bicyclus (V).