bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Theoretical Study of the Dependence on Substrate of the Reactivity of Carbenes.
Authors: MORENO M. , LLUCH J. M. , OLIVA A. , BERTRAN J.
Published: May 2016

The transition states for the addition of C(OH)2 and C(NH2)2 to ethylene, hydroxyethylene, and acrolein have been located, using the STO‐3G basis set.
ChemInform Abstract: Radical Arylation of Dithiocarboxylic Esters.
Authors: PETROVA R. G. , CHURKINA T. D. , KANDROR I. I. , DOSTOVALOVA V. I. , FREIDLINA R. KH.
Published: May 2016

Die Dithiocarbonsäurephenylester (I) reagieren mit p‐Tolylradikalen, generiert aus N‐Nitroso‐aceto‐p‐toluidid (II), zu den Keten‐S,S‐acetalen (III).
ChemInform Abstract: Gibbs Reaction. Part l. Reduction of Benzoquinone N‐Chloroimines to Benzoquinone Imines.
Authors: PALLAGI I. , DVORTSAK P.
Published: May 2016

The chloroimine (II), which can be stored in light‐protected neutral solutions, decomposes in acidic media.
ChemInform Abstract: Stereoselective Hydrogenation of Thymol.
Authors: TUNGLER A. , MATHE T. , BENDE Z. , PETRO J.
Published: May 2016

Die stereoselektive Hydrierung von Thymol (I) und Menthonen (V) bzw. (VI) zu Mentholen (II)‐(IV) wird in der Gasphase und in flüssiger Phase an verschiedenen Katalysatoren untersucht.
ChemInform Abstract: Studies on the Synthesis of Tetronolide. Synthesis of a Spiro‐α‐acyltetronic Acid Mo‐ del.
Authors: TAKEDA K. , SHIBATA Y. , SAGAWA Y. , URAHATA M. , FUNAKI K. , HORI K. , SASAHARA H. , YOSHII E.
Published: May 2016

Aus dem Lacton (I) erhält man in der angegebenen Weise das spirocyclische Lacton (V).
ChemInform Abstract: Synthesis of 8‐Substituted Naphtho[2,1‐b]thiophenes with Cationic Side Chains at Position 4.
Authors: KUSUMA S. , WILSON W. D. , BOYKIN D. W.
Published: May 2016

Die Benzaldehyde (I) und 2‐Thienyl‐essigsäure (II) werden zu den Zimtsäuren (III) kondensiert und diese photochemisch in Gegenwart von Iod zu den Säuren (IV) cyclisiert, aus denen über die Säurechloride (V) die Amide (VI) hergestellt werden.
ChemInform Abstract: Synthesis of Spiro[cycloalkane‐l,3′‐[3H]indoles] from Cycloalkanecarbaldehydes.
Authors: RODRIGUEZ J. G. , BENITO Y. , TEMPRANO F.
Published: May 2016

Aus den Cycloalkanonen (I) erhält man über die Epoxide (II) die Aldehyde (III), deren Phenylhydrazone (IV) nach Fischer zu den spirocyclischen Indolen (V) kondensiert werden.
ChemInform Abstract: Synthesis of 2‐Isopropylidenehydrazinylthiazole and Its Subsequent Annelation to the Corresponding Thiazolo[2,3‐c]‐s‐triazole.
Authors: HOUSSIN R. , BERNIER J.‐L. , HENICHART P.
Published: May 2016

Die Kondensation zwischen dem Thiosemicarbazon (I) und dem Phosphonium‐ Salz (II) liefert das Thiazol (III), das nach Formolyse zu (IV) zum Thiazolo‐triazol (V) cyclisiert wird.
ChemInform Abstract: Synthesis and Spectral Properties of 7‐(N‐Arylsulfonyl)aminocoumarins. A New Class of Fluorescent pH Indicators.
Authors: WOLFBEIS O. S. , BAUSTERT J. H.
Published: May 2016

Aus dem Amino‐salicylaldehyd (I) erhält man mit den Hetarylessigsäureestern (II) die Amino‐cumarine (III), die in die Nitrile (IV) übergeführt werden.
ChemInform Abstract: Synthesis of (+)‐ and (‐)‐1‐(1‐Isoquinolinyl)‐1‐(2‐pyridyl)ethanol. A Chiral Ligand with Useful Chelating Properties.
Authors: ELMAN B. , MOBERG C.
Published: May 2016

Das ausgehend von dem N‐Oxid (I) erhaltene Racemat (VI) läßt sich durch Reaktion mit dem angegebenen Isocyanat in die trennbaren diastereomeren Carbamate überführen, welche zu den gewünschten Titelverbindungen (VII) und (VIII) (keine Ausb.‐Angabe) hydrolysiert werden.
ChemInform Abstract: Preparation of Mesoionic Dipyrido[1,2‐a:1′,2′‐c]imidazolium‐11‐thiolates from the Binz‐Marx Reaction.
Authors: EDWARD J. T. , SHEFFLER R. H.
Published: May 2016

2‐Picolin (I) und Pyridin (II) reagieren in Gegenwart von Benzoylchlorid mit Schwefeldioxid zu dem Betain (III), das mit HBr das Salz (IV) ergibt.
ChemInform Abstract: 1,4,7‐Triazacycl[3.3.3]azine: Basicity, Photoelectron Spectrum, Photophysical Properties.
Authors: LEUPIN W. , MAGDE D. , PERSY G. , WIRZ J.
Published: May 2016

The heterocycles (III) have been characterized by ′H, 13C NMR, and ESR of the radical anions, PES, and UV/VIS absorption and emission.
ChemInform Abstract: Reaction of 1,3,4‐Thiadiazolo‐ and 1,3,4‐Triazolo[3,2‐c]quinazoline Deriatives with Active Methylene Compounds.
Authors: MOLINA P. , ARQUES A. , CARTAGENA I. , VALCARCEL M. V.
Published: May 2016

Aus dem Thiadiazolochinazolinium‐Salz (I) entstehen mit den aktiven Methylenverbindungen (II) in Gegenwart von Kaliumtert.‐butylat die Alkyliden‐chinazoline (III), in Gegenwart von Triethylamin erhält man aus (I) und Malodinitril (IId) das Pyrazolochinazolin (IV).
ChemInform Abstract: Organic Chemistry of L‐Tyrosine. Part l. General Synthesis of Chiral Piperazines from Amino Acids.
Authors: JUNG M. E. , ROHLOFF J. C.
Published: May 2016

Die in üblicher Weise erhaltenen Peptide (I) werden zu den Diketopiperazinen (II) cyclisiert, die mit Boran/THF stereoselektiv zu den Piperazinen (III) reduziert werden können.
ChemInform Abstract: Heteryloxydihydropyranes ‐ Stabilizers of Polyurethane Compositions.
Authors: ANDRIYANKOV M. A. , ZAPUNNAYA K. V. , SKVORTSOVA G. G.
Published: May 2016

The title compounds (III) are obtained by diene reaction of the piperidine or morpholine derivatives (I) with the unsaturated aldehydes (II).
ChemInform Abstract: Diformatosilane: Preparation, Characterisation, and Molecular Structure in the Gas Phase by Electron Diffraction.
Authors: ANDERSON D. G. , CRADOCK S.
Published: May 2016

The first bis‐ester derivative of silane, SiH2(OCOH)2, is prepared by the reaction of dibromo‐ or dichlorosilane with tributyltin formate at 77 K in a yield of 61 ‐72%.
ChemInform Abstract: Reactions of 1,2‐Oxaphospholenes. Part 4. Responses Toward Oxidations, Cycloadditions and Conjugate Additions.
Authors: MACOMBER R. S. , CONSTANTINIDES I. , GARRETT G.
Published: May 2016

Aus dem Alkinol (I) erhält man über die Phosphinsäure (II) das Cyclisierungsprodukt (III), das mit N‐Brom‐acetamid zum Brom‐Derivat (IV) gespalten wird.
ChemInform Abstract: A Synthetic and Mechanistic Study of Oxycarbene‐like Coupling Reaction Patterns of Actinide η2‐Acyl Complexes with Carbon Monoxide and Isocyanides.
Authors: MOLOY K. G. , FAGAN P. J. , MANRIQUEZ J. M. , MARKS T. J.
Published: May 2016

Der Th‐ Komplex (Ia) reagiert mit CO zu dem Komplex (II), während die Carbonylierung in Gegenwart von Phosphinen zu den Ylid‐Komplexen (III) führt.
ChemInform Abstract: Preparation and Characterization of the First Organoactinide Polysulfide (η5‐C5Me5)2ThS5. A Unique Example of the Twist‐Boat Conformation of the MS5 Ring.
Authors: WROBLESKI D. A. , CROMER D. T. , ORTIZ J. V. , RAUCHFUSS T. B. , RYAN R. R. , SATTELBERGER A. P.
Published: May 2016

Die Behandlung der Dichloro‐Th‐Verbindung (Ia) mit äquimolaren Mengen an Li2S5 führt zu der kristallinen Titelverbindung (IIa).
ChemInform Abstract: Reactions of the Nickelocene‐Dimethyl Acetylenedicarboxylate Adduct: a Route to 7‐Substituted Norbornadienes.
Authors: BLEASDALE C. , JONES D. W.
Published: May 2016

Contrary to an earlier claim, reactions of the complex (I) with MCPBA, NBS,and NCS give the syn‐norbornadienes (II) [and its ester (III)], (Va) and (Vb) (no yield given), accompanied by the dimer (IV) [the unstable alcohol (II) is isolated as its acetate‐ester (VI)].
ChemInform Abstract: Spectroscopic Studies on Adsorbed Metal Carbonyls. Part 3. Interaction of Os3(CO)12 with Silica, Alumina, and Titania.
Authors: COOK S. L. , EVANS J. , MCNULTY G. S. , GREAVES G. N.
Published: May 2016

The interaction of Os3(CO)12 with SiO2, Al2O3, or TiO2 gives, as the initially observed adsorbate the species (I).
ChemInform Abstract: Molecular Organoosmium Chemistry and Catalysis on the Basic Magnesium Oxide Surface.
Authors: LAMB H. H. , GATES B. C.
Published: May 2016

The complex H2Os(CO)4 is deprotonated upon adsorption on the basic surface of magnesia.
ChemInform Abstract: Synthesis and Structural Characterisation of Some Tetrahedral Platinum‐Gold Cluster Compounds Containing the Sulphur Dioxide Ligand.
Authors: MINGOS D. M. P. , WARDLE R. W. M.
Published: May 2016

Ausgehend von den dreifach Carbonyl‐ oder SO2‐verbrückten dreikernigen Pt‐Clustern (I) bzw. (IV) werden durch 1:1‐molare Umsetzung mit Chloro‐tert.‐phosphin‐Au(I)‐Verbindungen mit nachfolgender SOZ‐Behandlung oder direkt wie aufgezeichnet die tetraedrischen Au,Pt‐Cluster (II), (III) oder (V) erhalten.
ChemInform Abstract: Chemistry of Di‐ and Tri‐metal Complexes with Bridging Carbene or Carbyne Ligands.
Authors: AWANG M. R. , JEFFERY J. C. , STONE F. G. A.
Published: May 2016

The bridged ethylidyne complexes (III) react with HBF4‐ Et2O to yield the salts (IV).
ChemInform Abstract: Dyestuffs for Synthetic Polymer Fibres: 4‐N‐Morpholinoazobenzenes.
Authors: PETERS A. T. , CHEUNG S. K.
Published: May 2016

Die Azoverbindungen (I) ‐′ (VI) werden durch Diazotierung hergestellt.
ChemInform Abstract: 2,8‐Dimethyl‐4‐(carboxymethyl)‐6‐(aminomethyl)phenoxathiin S‐Dioxide: An Organic Substitute for the β‐Turn in Peptides?
Authors: FEIGEL M.
Published: May 2016

The title compound (V) is prepared, as shown in the scheme, as a cyclopeptide adopting a single rigid conformation with hydrogen bond bridging between antiparallel peptide strands in a manner similar to a β‐turn.
ChemInform Abstract: Mixed Anhydrides in Peptide Synthesis. Factors Affecting Urethane Formation and Racemization.
Authors: SOLE N. , TORRES J. L. , GARCIA ANTON J. M. , VALENCIA G. , REIG F.
Published: May 2016

Astudy has been carried out comparing the effectiveness of two mixed anhydrides (m.a.) procedures (A) and (B) in the synthesis of a series of hydrophobic tripeptides (Va) (as reference compound) and (Vb) from the components (I) and (III) using three different solvents (DMF, THF, or CH2Cl2).
ChemInform Abstract: Interconversion of Hetidine‐ and Atisine‐Type Diterpenoid Alkaloids: Facile Cleavage and Regeneration of the C(l4) ‐ C(20) Bond.
Authors: WANG F.‐P. , LIANG X.‐T.
Published: May 2016

Eine Reihe von Versuchen, die Bindung zwischen C‐14 und C‐20 bei dem Hetidinderivat (Ia) zu spalten, führt nicht zum gewünschten Erfolg.
ChemInform Abstract: Syntheses of New Surface‐Active Bifunctional F‐Alkyls and Application of the Preparation of Multipurpose Extinguishing Foams.
Authors: SZOENYI S. + , VANDAMME R. , CAMBON A.
Published: May 2016

Durch Ringöffnung der Epoxide (I) mit Aminen (II), Thiolen (IV) und Natriumalkoholaten (VI) werden z.B. die Verbindungen (III), (V) bzw. (VII) synthetisiert.
ChemInform Abstract: Na5FeS4 ‐ the First Thioferrate(III) with Discrete Tetrahedral Anions
Authors: KLEPP K. O. , BRONGER W.
Published: May 2016

is obtained as ruby red crystals by reacting Na2S, Fe, and S at 970 K. It crystallizes in the orthorhombic system (Pbca, Z=8).
ChemInform Abstract: Host‐to‐Guest, Excited‐State Energy Transfer in Lamellar Solids.
Authors: OLKEN M. M. , VERSCHOOR C. M. , ELLIS A. B.
Published: May 2016

Hydrogen uranyl phosphate (HUP) undergoes complete exchange with Eu3+ to yield a hydrated lamellar (single phase) solid of approximate composition Eu1/3UO2PO4.
ChemInform Abstract: Enthalpy of Formation of Platinum Hexafluoride.
Authors: KOROBOV M. V. , NIKULIN V. V. , CHILINGAROV N. S. , SIDOROV L. N.
Published: May 2016

The gas‐phase equilibrium A is generated within an effusion cell by heating a (Pt + TbF4) mixture and investigated using Knudsen‐cell mass spectrometry.
ChemInform Abstract: Liquid‐Solid Equilibria in the SnI2 ‐ AgI System.
Authors: WOJAKOWSKA A. , TERPILOWSKI J.
Published: May 2016

The phase diagram of the title system is determined on the basis of cryometric measurements.
ChemInform Abstract: Stress Corrosion Cracking (SCC) of Admiralty Brass in Sulphate Solutions.
Authors: TORCHIO S.
Published: May 2016

The SCC of Admiralty brass exposed, under open circuit conditions, to Na2SO4‐ Cu‐ S04 solutions has been investigated as a function of acidity and Cu" concentration, by means of ′U′‐bend and of constant load tests.
ChemInform Abstract: Preparation and Study of the New Oxides Ln2Te4O11 (Ln: Ce, Pr, Tb).
Authors: PARADA C. , ALONSO J. A. , RASINES I.
Published: May 2016

The title oxides have been prepared by solid state reaction between rare earth oxides and TeOz in vacuo (Ln: Ce) or in air (Pr, Tb).
ChemInform Abstract: Direct Synthesis of Alkali‐Metal and Ammonium Pentafluoroperoxytitanates(IV), Al3(Ti(O2)F5), and First Synthesis and Structural Assessment of Alkali‐Metal and Ammonium Difluorodiperoxytitanates(IV), Al2(Ti(O2)2F2).
Authors: CHAUDHURI M. K. , DAS B.
Published: May 2016

The title compounds (III) and (IV) have been prepared according to the scheme.
ChemInform Abstract: Crystal and Molecular Structure of 19,20‐Dihydrostrychnine.
Authors: MOSTAD A.
Published: May 2016

The title compound (I) crystallizes in the space group P43 with Z=4.
ChemInform Abstract: A Catalytic Tin System for Trapping of Radicals from Cyclization Reactions.
Authors: STORK G. , SHER P. M.
Published: May 2016

Using a catalytic system which contains tin hydride in low concentration, a cyclization‐cyano‐trapping reaction of (I) is allowed to occur.
ChemInform Abstract: Versatility of the Reactivity of Acetylene Dicarbaldehyde and α‐Acetylenic Aldehydes with Regard to Conjugated and Heterocyclic Dienes in Acidic Medium.
Authors: GORGUES A. , SIMON A. , LE COQ A. , HERCOUET A. , CORRE F.
Published: May 2016

Der Aldehyd (II) läßt sich am besten durch Behandlung des Alkins (I) mit Ameisensäure herstellen.
ChemInform Abstract: Alkenyltrialkylammonium Salts as Dienophiles in Diels‐Alder Reactions: Preparation, Cycloadditions and Further Reactions.
Authors: JUNG M. E. , BUSZEK K. R.
Published: May 2016

Die Diels‐Alder‐Reaktion der Alkenylammoniumsalze (I) und (IV) mit den Dienen (II) und (VI) führt zu den Cycloaddukten (III), (V) und (VII).
ChemInform Abstract: A Facile Procedure for Oxidative Cleavage of Enolic Olefins to the Carbonyl Compounds with Ruthenium Tetraoxide (RuO4).
Authors: TORII S. , INOKUCHI T. , KONDO K.
Published: May 2016

Aus dem Dihydropyran (I) erhält man mit Rutheniumoxid und Periodat die beiden Spaltprodukte (II) und (III).
ChemInform Abstract: From Allenes to Cyclic Compounds by Hetero‐Ene Synthesis.
Authors: BERTRAND M. , CAVALLIN B. , ROUMESTANT M.‐L. , SYLVESTRE‐PANTHET P.
Published: May 2016

Aseries of γ‐and ö‐allenic carbonyl Compounds is synthesized by known methods and subjected to thermolysis.
ChemInform Abstract: Cyclocondensation of 2‐Hydrazinoperimidine with Diethyl Oxalate and Ethyl Pyruvate.
Authors: LIU K.‐C. , CHEN H.‐H.
Published: May 2016

Aus dem Hydrazinoperimidin (I) erhält man mit Oxalester (IIa) über das Hydrazid (III) das Triazoloperimidin (IV), während mit dem Pyruvat (IIb) über das Hydrazon (V) das Triazinoperimidin (VI) entsteht.
ChemInform Abstract: Cation‐Directed Photochemistry of an Anthraceno‐Crown Ether.
Authors: BOUAS‐LAURENT H. , CASTELLAN A. , DANEY M. , DESVERGNE J.‐P. , GUINAND G. , MARSAU P. , RIFFAUD M.‐H.
Published: May 2016

Photoreactivity of (II) is modified as a consequence of the change in excimer geometry with Na+ complexation.
ChemInform Abstract: Acceptor, Donor, and Captodative Stabilization in Transition States of 5‐Hexen‐1‐yl Radical Cyclizations.
Authors: PARK S.‐U. , CHUNG S.‐K. , NEWCOMB M.
Published: May 2016

Rate constants and activation parameters for cyclization of the radicals (II) have been determined.
ChemInform Abstract: The Reduction of Oximes by Lithium Aluminium Hydride in Hexamethylphosphor‐ amide Solvent.
Authors: WANG S. S. , SUKENIK C. N.
Published: May 2016

Bei der Einwirkung von Lithiumalanat auf die Ketoxime (I) in HMPA und nachfolgender wäßriger Aufarbeitung werden ausschließlich die Ketone (II) erhalten.
ChemInform Abstract: Substrate and Positional Selectivity of the Gas‐Phase Nitration of Substituted Benzenes by Protonated Methyl Nitrate.
Authors: ATTINA M. , CACACE F.
Published: May 2016

Protonated (explosive) methyl nitrate, which is radiolytically generated, nitrates benzene and its derivatives (I) or mesitylene.
ChemInform Abstract: (Phosphine)carbonylnitrosylacylcobaltate Complexes as Acyl Transfer Reagents.
Authors: HEGEDUS L. S. , PERRY R. J.
Published: May 2016

Der in der angegebenen Weise erhaltene Phosphin‐Komplex (V) reagiert mit Methyl‐ oder Butyllithium (VI) zu den instabilen Komplexen (VII), die mit konjugierten Enonen (VIII), Chinonen (X) oder Allylverbindungen (XII) zu den Acyl‐Derivaten (IX), (XI) oder (XIII) reagieren, neben (XIII) werden Dimere (XIV) erhalten.
ChemInform Abstract: Allene Synthesis by Organo‐Metallic Reactions.
Authors: CRABBE P. , SCHLEMPER E. O. , FAIR K. , TRAN P. T. , SEARLES S.
Published: May 2016

Several original allene syntheses are reviewed.
ChemInform Abstract: Organoaluminium‐Induced Addition of Polyhalomethane to Olefins.
Authors: MARUOKA K. , SANO H. , FUKUTANI Y. , YAMAMOTO H.
Published: May 2016

Die Olefine (I) addieren die Tetrahalogenmethane (II) unter Katalyse durch Trimethylaluminium (III) und dem Pd‐Phosphan‐Komplex (IV) zu den homologen Tetrahalogenalkanen (V); Dodecen (VI) und CFZBrZ machen das Dibromdifluortridecan (VII) zugänglich.
ChemInform Abstract: Organic Reactions at High Pressure. Diels‐Alder Reactions of [2.2]Paracyclophane.
Authors: MATSUMOTO K.
Published: May 2016

Das Paracyclophan (I) addiert die Maleinsäurederivate (II) unter extrem hohen Drucken zu den polycyclischen 1 z2‐Addukten (III).
ChemInform Abstract: Synthesis of Some Novel Monocyclic β‐Lactam Derivatives.
Authors: GHOSH M. , CHATTERJEE B. G.
Published: May 2016

Die aromatischen Aldehyde (I) werden mit den Aminosäureestern (II) zu den Iminen (III) kondensiert, die mit den Säurechloriden (IV) zu den cis‐Lactamen (V) cyclisiert werden.
ChemInform Abstract: Syntheses of 7‐Substituted Indoles.
Authors: SOMEI M. , SAIDA Y.
Published: May 2016

Umsetzung von N‐Acetylindolin (I) mit dem Thallium‐Salz (II) und nachfolgende Reaktion mit Kaliumiodid liefert das N‐Acetyl‐7‐iod‐indolin (III) neben geringen Mengen des 5‐Iod‐Isomeren (IV).
ChemInform Abstract: Syntheses of Fluorinated 2‐Benzylimidazolines.
Authors: ADEJARE A. , MILLER D. D.
Published: May 2016

3‐Fluoroanisole (I) is converted into its hydroxy derivative (II), which undergoes methylation and chloromethylation to give (III).
ChemInform Abstract: Heterocyclic Systems Containing Bridgehead Nitrogen Atom. Part 49.
Authors: SHARMA B. R. , PUJARI H. K.
Published: May 2016

Das Benzimidazol (III) ergibt mit Chloressigsäure (IV) ein unsymmetrisches ′Carbonsäurederivat, dessen Cyclisierung ausschließlich die Titelverbindung (V) liefert.
ChemInform Abstract: Synthesis and Reactions of Cyclic α‐Hydroxy Sulfides.
Authors: TAKATA T. , HUANG L. , ANDO W.
Published: May 2016

Die N‐Acylthiazolidine (I) liefern mit Singulett‐Sauerstoff (II) die Hydroperoxide (III), die sich mit Dimethylsulfid (IV) zu den Hydroxythiazolidinen (V) reduzieren lassen.
ChemInform Abstract: Potential Histamine H2‐Receptor Antagonists: Diaminofurazan, a New "Urea Equivalent" Group.
Authors: SORBA G. , CALVINO R. , DEFILIPPI A. , GASCO A. , ORSETTI M.
Published: May 2016

Compounds (V), (VII) and (IX) are synthesized as shown in the scheme and tested for their H2‐antagonist properties.
ChemInform Abstract: A Useful Synthesis of 3‐Ethyl‐ and 3,4‐Dimethyl‐coumarins. Synthesis of Trigoforin, a Coumarin from Trigonella foenum‐graecum.
Authors: MALI R. S. , TILVE S. G. , PATIL K. S. , NAGARAJAN G.
Published: May 2016

Durch Erhitzen des Acetophenons (I) mit dem Phosphoran (II) läßt sich die Titelverbindung (III) herstellen.
ChemInform Abstract: Synthesis of Biscoumarins and Biscoumarinyl Ketons.
Authors: CHANDRASEKHAR A. , PADMANABHAN S. , SESHADRI S.
Published: May 2016

Durch Kondensation des Salicylaldehyds (I) mit den Cumarinylessigsäureestern (II) und (IV) entstehen die Bis‐cumarine (III) und (V).
ChemInform Abstract: Neuroleptic Activity of Chiral trans‐Hexahydro‐γ‐carbolines.
Authors: SARGES R. , HOWARD H. R. , DONAHUE K. M. , WELCH W. M. , DOMINY B. W. , WEISSMAN A. , KOE B. K. , BORDNER J.
Published: May 2016

Verschiedene Heterocyclen wie (IV) werden dargestellt und auf ihre neuroleptische Aktivität untersucht.
ChemInform Abstract: Influence of Some Acidic Catalysts on the Condensation of Indene with Formaldehyde.
Authors: NOWICKI J. , KOSSAKOWSKI A. , DZIWINSKI E.
Published: May 2016

The influence of acidic catalysts (H2SO4, HCl, p‐toluenesulfonic acid) on the condensation of the title compound (I) and (II) was investigated.
ChemInform Abstract: Photochemical Reaction of 2‐Alkenoyl‐3‐alkoxy‐1,4‐benzoquinones.
Authors: MARUYAMA K. , IWAMOTO H. , SOGA O. , TAKUWA A. , OSUKA A.
Published: May 2016

Das Cinnamoylbenzochinon (I) liefert mit den Alkoholen (II) in Gegenwart von Cu(II)‐acetat und Luftsauerstoff die Alkoxychinone (III), die photochemisch zu den Pyranobenzodioxinen (IV) cyclisieren.
ChemInform Abstract: Synthesis and Properties of the 3‐ and 4‐Dimethylamino Derivatives of 7H,9H‐ Quinazolino[3,2‐b]benz[d,e]isoquinolin‐7‐one.
Authors: CELNIK K. , JANKOWSKI Z. , STOLARSKI R.
Published: May 2016

Auf dem angegebenen Syntheseweg werden die beiden isomeren Heterocyclen (IVa) und (IVb) hergestellt, die durch Kristallisation getrennt werden können.
ChemInform Abstract: Synthesis and Properties of α‐ or β‐Methyl Substituted Bisdehydroaza‐[14]‐, ‐aza[16]‐ and ‐aza[18]annulene.
Authors: OJIMA J. , YAGI Y. , NAKADA T. , MANAKA S. , EJIRI E. , ISHIZAKA S. , SHIRAIWA Y.
Published: May 2016

Das aus dem Annulenon (I) mit einem großen Hydroxylaminhydrochlorid‐ Überschuß erhaltene Oxim (II) wird mit PCl5 in das Lactam (III) umgelagert, das sich mit Triethyloxoniumtetrafluoroborat (IV) zum Ethoxya‐zaannulen (V) alkylieren läßt. Analog werden die Azaannulene (VI)‐(IX) aus den entsprechenden Annulenonen synthetisiert.
ChemInform Abstract: Synthesis of 10‐(4‐Methyl‐1‐piperazinyl)thieno[3,2‐b][1,5]benzothiazepines.
Authors: CORRAL C. , LASSO A. , LISSAVETZKY J. , VALDEOLMILLOS A.
Published: May 2016

3‐Mercapto‐thiophen‐2‐carbonsäure (I) kondensiert mit den Nitro‐chlorbenzolen (II) zu den Nitrophenylsul?den (III), die über die Aminophenylsulfide (IV) zu den Lactamen (VII) cyclisiert werden.
ChemInform Abstract: Novel Photochemical Alkyl Migrations of Dialkylboryl Acetylacetonate Complexes.
Authors: OKADA K. , HOSODA Y. , ODA M.
Published: May 2016

The borane complexes (I) undergo a photoalkylation reaction during UV irradiation in benzene.
ChemInform Abstract: Organoboron Compounds. Part 421. Boron Nitrogen Heterocycles from 2‐Dialkylborylaminothiazoles and Isocyanates.
Authors: DOROKHOV V. A. , BOLDYREVA O. G. , STARIKOVA Z. A. , TESLYA I. A. , MIKHAILOV B. M.
Published: May 2016

Aus 2‐Amino‐thiazol (I) und den Trialkylboranen (II) erhält man die Borylaminothiazole (III), die mit den Isocyanaten (IV) zu den Bicyclen (V) reagieren.
ChemInform Abstract: Free Radical Addition of Phenyl‐ and Diphenylphosphines to 2‐Vinyl‐1,3‐ dioxa‐ 6‐aza‐2‐cyclooctanes.
Authors: VORONKOV M. G. , KUDYAKOV N. M. , RAKHLIN V. I. , KUZNETSOV A. L. , SIGALOV M. V. , MIRSKOV R. G.
Published: May 2016

Die lichtinduzierte Addition der Phosphane (I) an die Vinylverbindung (II) führt zu den Addukten (III).
ChemInform Abstract: Thermal Decomposition of Phosphorylated Hemimercaptals.
Authors: AL'FONSOV V. A. , NIZAMOV I. S. , BATYEVA E. S. , PUDOVIK A. N.
Published: May 2016

Diphenylchlorphosphan (I) reagiert mit dem Chloralhalbmercaptal (II) zu dem Phosphinit (III), das thermisch zu den Verbindungen (IV)‐(VI) zerfällt.
ChemInform Abstract: Dimerization and Ring‐opening Reactions of 1,3,2‐Dioxaphosphocanes.
Authors: DUTASTA J.‐P.
Published: May 2016

Eight‐membered‐ring phosphorus compounds (III) have been obtained from (I) and (II).
ChemInform Abstract: Synthesis and Reactions of N‐Acylphosphoramides Related to 4‐Keto‐1,3‐diaza‐2‐phospholanes.
Authors: MULLIEZ M.
Published: May 2016

Die N‐Acylphosphoramide (III) werden wie beschrieben synthetisiert und bezüglich ihrer Eignung als Vorstufen für Vertreter der Titelverbindungen untersucht.
ChemInform Abstract: Peroxo and Dioxo Metal Carbonyl Intermediates in the Photooxidation of Matrix‐ Isolated M(CO)6 (M: Cr, Mo, W) in the Presence of Dioxygen: A Vibrational Spectroscopic Study Using 18O.
Authors: ALMOND M. J. , CRAYSTON J. A. , DOWNS A. J. , POLIAKOFF M. , TURNER J. J.
Published: May 2016

The photolysis of M(CO)6 molecules isolated in O2‐doped Ar or CH4 matrices at 10‐20 Khas been monitored by reference to the IR, Raman, and UV‐visible spectra of the matrices.
ChemInform Abstract: Nucleophilic Catalysis of the Migratory Insertion of Carbon Monoxide.
Authors: WEBB S. L. , GIANDOMENICO C. M. , HALPERN J.
Published: May 2016

Kinetic measurements on the shown reaction with triphenylphosphine oxide as a catalyst (Bu3PO or MeCN can also be used) demonstrate that the nucleophile promotes migratory insertion to form an acyl intermediate such as (V).
ChemInform Abstract: Optical Resolution and Racemization Reaction of Tris(bathophenanthrolinedisulfonato)iron(II): Absence of an Intramolecular Racemization Path in Aqueous Solution.
Authors: YAMAGISHI A.
Published: May 2016

The title complex (I) was resolved on a chromatographic column of A‐ tris(l,10‐phenanthroline)ruthenium(ID‐montmorillonite.
ChemInform Abstract: Synthesis and Structure of an Oxidation Product of Hemiporphyrazinatoiron(II): Monoaquo‐μ‐oxo‐bis(hemiporphyrazinato)iron(III).
Authors: COLLAMATI I. , DESSY G. , FARES V.
Published: May 2016

The interaction between dioxygen and wet solutions of hemiporphyrazinatoiron?I) in N‐bases (Py, DMF, γ‐picoline) leads to the title compound (no yield given), a high‐spin antiferromagnetically coupled Fe(III) complex, which crystallizes in the space group P4/ncc, Z=8.
ChemInform Abstract: Structural, NMR and Theoretical Study of Delocalization in Cobaloximes
Authors: LOPEZ C. , ALVAREZ S. , SOLANS X. , FONT‐ALTABA M.
Published: May 2016

A new series of cobaloximes (Ic)‐(Ie) is obtained from (Ia) or (Ib).
ChemInform Abstract: First Realization of Threefold Fluxionality in Polycyclic Conjugated Hydrocarbon‐Metal Complexes: Synthesis and Dynamic NMR Study of [Pd(η3‐phenalenyl)(tmeda)]+PF6‐ and Its Methyl Derivative.
Authors: NAKASUJI K. , YAMAGUCHI M. , MURATA I. , NAKANISHI H.
Published: May 2016

Temp.‐abhängige 1H‐ und 13C‐NMR‐Spektren bestätigen das fluktuierende Verhalten der wie aufgezeichnet dargestellten Titelkomplexe (II).
ChemInform Abstract: Os4(CO)14(PMe3): An Irregular, Planar Cluster Showing Remarkable Nonrigidity.
Authors: MARTIN L. R. , EINSTEIN F. W. B. , POMEROY R. K.
Published: May 2016

The structure of the air‐stable title Cluster (II), prepared as shown (no yield given), is determined by X‐ray diffraction (space group P2,/ a with Z=4).
ChemInform Abstract: η5 to η3 Conversion in Indenyliridium Complexes.
Authors: MEROLA J. S. , KACMARCIK R. T. , VAN ENGEN D.
Published: May 2016

Clean displacement of the cyclooctene in (115‐indenyl)bis(cyclooctene)‐Ir (II) prepared in good yield from Li indenide and the bis(cyclooctene)chloro‐Ir dimer results in the formation of (ns‐indenyl)bis(ligand)‐Ir complexes (I).
ChemInform Abstract: Charge‐transfer Photochemistry Under High Pressure: Reductive Elimination from trans‐Diazidotetracyanoplatinate(IV).
Authors: WEBER W. , VAN ELDIK R.
Published: May 2016

Die Quantenausbeute für die reduktive Eliminierung von Azid aus dem Titelkomplex unter Bildung von [Pt(CN)4]2′ und N2 in wäßriger Lösung wurde in Abhängigkeit vom Druck (bis zu 200 MPa) untersucht.
ChemInform Abstract: Metal Complexes of Mitomycins.
Authors: IYENGAR B. S. , TAKAHASHI T. , REMERS W. A. , BRADNER W. T.
Published: May 2016

Metallkomplexe wie (I) und (II) aus Mitomycin‐Derivaten sowie (III) werden dargestellt, und ihre Aktivität gegen P388‐Leukä‐ mie wird untersucht.
ChemInform Abstract: Application of [2,3]Wittig Rearrangement in Steroid Side Chain Synthesis.
Authors: MIKAMI K. , KAWAMOTO K. , NAKAI T.
Published: May 2016

Ausgehend vom Steroidalkohol (I) wird der Silylpropargylether (V) auf dem skizzierten Syntheseweg hergestellt.
ChemInform Abstract: Angiotensin‐converting Enzyme Inhibitors: N‐Substituted Glycine Derivatives.
Authors: SUH J. T. , REGAN J. R. , SKILES J. W. , BARTON J. , PIWINSKI J. J. , WEINRYB I. , SCHWAB A. , SAMUELS A. I. , MANN W. S. , SMITH R. D. , WOLF P. S. , KHANDWALA A.
Published: May 2016

The peptides (I) and (II) (for configurations see table) are synthesized by different known methods and evaluated for their in vitro and in vivo ACE (angiotensin‐converting enzyme) inhibition.
ChemInform Abstract: Synthesis of Polysubstituted Aza Macrocycles of Biological Active Peptides.
Authors: KRAUS J. L.
Published: May 2016

Aus den makrocyclischen Tetraminen (I) erhält man über eine Acylierung zu (II), Entfernung der Schutzgruppe zu (III) und Kupplung bzw. Modifizierung die Tetraazacycloalkane mit seitenständigen Oligopeptid‐Ketten (V), die auf ihre Wirksamkeit zur Trennung von Lyzozom aus menschlichen Neutrophilen untersucht werden sollen.
ChemInform Abstract: Synthesis of 1‐Thioglycosides in a Catalytic Two‐phase System.
Authors: BOGUSIAK J. , SZEJA W.
Published: May 2016

An improved preparation of the thioglycosides (III) involves a reaction of the 1,2‐cis‐gluco‐ (Ia) and ‐galacto‐ (Ib) pyranosyl bromides with the thiols (II) in a catalytic two‐phase system.
ChemInform Abstract: A Simple Stereocontrolled Synthesis of Optically Active Deoxysugars L‐Rhodinose and D‐Amicetose.
Authors: ITOH T. , YOSHINAKA A. , SATO T. , FUJISAWA T.
Published: May 2016

Das Glycidylsulfid (I) reagiert mit Allylmagnesiumbromid (II) in Gegenwart von CuI zum β‐Hydroxysulfid (III), dessen Benzylierung mit Benzylbromid (IV) den Ether (V) liefert.
ChemInform Abstract: A New Reaction of Adenine and Adenosine.
Authors: SVIRIDOV V. D. , CHKANIKOV N. D. , KOLOMIETS A. F. , FOKIN A. V.
Published: May 2016

Adenin (Ia) bzw. Adenosin (Ib) reagieren mit überschüssigem Hexafluoraceton (II) zu den beständigen Oxadiazinopurinen (III).
ChemInform Abstract: Enantiocontrolled Cycloaddition Approach to (+)‐Brefeldin A.
Authors: TROST B. M. , LYNCH J. , RENAUT P. , STEINMAN D. H.
Published: May 2016

The seco acid (X) is synthesized stepwise starting with the reaction between the ester (I) and the acetate (II).
ChemInform Abstract: Quantitative Structure‐Activity Relationship of the Mutagenicity of Substituted N‐ Nitroso‐N‐benzylmethylamines: Possible Implications for Carcinogenicity.
Authors: SINGER G. M. , ANDREWS A. W. , GUO S.
Published: May 2016

Untersucht werden hinsichtlich der im Titel genannten Eigenschaften die Nitrosamine (I) und (II).
ChemInform Abstract: Carboxyl‐Modified Amino Acids and Peptides as Protease Inhibitors.
Authors: THOMPSON S. A. , ANDREWS P. R. , HANZLIK R. P.
Published: May 2016

Die synthetisierten Verbindungen (I) und (II) werden auf Inhibierung von Chymotrypsin (CT), Leucin‐Aminopeptidase (LAP‐Mund LAP‐C), Dipeptidyl‐Aminopeptidase (DPP‐I) und Papain untersucht.
ChemInform Abstract: Azo Dyes: Structure‐Carcinogenicity Relationships.
Authors: GREGORY P.
Published: May 2016

Review: Es wird eine Struktur‐Carcinogenitäts‐Beziehung verschiedener Azofarbstofftypen dargestellt, aus der eine mögliche Carcinogenität abgeschätzt werden kann.
ChemInform Abstract: Thermal Stability of Cadmium‐Calcium Hydroxyapatite Solid Solutions.
Authors: BIGI A. , GAZZANO M. , RIPAMONTI A. , FORESTI E. , ROVERI N.
Published: May 2016

Acontinuous series of solid solutions of cadmium and calcium hydroxyapatite (prepared from aqueous solution) has been investigated by X‐ray diffraction and IR spectroscopy in order to study the effect of Cd substitution on the thermal stability of the hydroxyapatite structure.
ChemInform Abstract: Influence of Mn and Mg Additions on Hot Deformation of Aluminium and Aluminium Alloys.
Authors: USUI E. , INABA T. , SHINANO N.
Published: May 2016

The microstructures, the true stress‐true strain curves and the ductilities of the title alloys during hot deformation are studied.
ChemInform Abstract: Vaporization Study of Mercury Iodides HgI2 and Hg2I2.
Authors: PIECHOTKA M. , KALDIS E.
Published: May 2016

By using a Knudsen cell and a quadrupole mass spectrometer it is shown that within the temp. range 300‐420 K HgI2 sublimes congruently without decomposition, whereas Hg2I2 undergoes dissociative vaporization according to reaction A (pressure‐temp.
ChemInform Abstract: Influence of Some Thiophene Derivatives on the Corrosion of Iron in Nitric Acid Solution.
Authors: FOUDA A. S.
Published: May 2016

The effect of some thiophene derivatives on the corrosion of iron in 2 M HNO3 has been studied by the electrochemical polarization and weight loss measurements.
ChemInform Abstract: Rate Constant for the Reaction H + NH3 Over the Temperature Range 750‐1777 K
Authors: MICHAEL J. V. , SUTHERLAND J. W. , KLEMM R. B.
Published: May 2016

has been measured by the flash photolysis‐shock tube technique using atomic resonance absorption to monitor [H]t (k1=3.02·10‐10exp(‐8067/T) cm3 molecule‐1s‐1) and by the flash photolysis‐resonance fluorescence method at 750 K (k1=1.27·10‐14cm3 molecule‐1s‐1).
ChemInform Abstract: Catalytic Synergy Between MoO3 and BiPO4 in N‐Ethyl Formamide Dehydration.
Authors: TASCON J. M. D. , GRANGE P. , DELMON B. , BERTRAND P. , GENET M. , MESTDAGH M. M.
Published: May 2016

BiPO4‐ MoO3 two‐phase catalysts, prepared by mixing, by three different methods, separately prepared powders of BiPO4 and MoO3 have been studied in detail.
ChemInform Abstract: Synthesis and a Study of N‐Acetoxymethylnitramine Derivatives.
Authors: MARCHENKO G. A. , PUNEGOVA L. N. , SHITOVA T. S. , ROMAN'KO N. A. , EGOROVA L. S. , KARGIN YU. M.
Published: May 2016

The known compounds (I) possess two highly reactive functionalities: the N‐acetoxymethyl group and the N‐2‐nitroxyethyl group.
ChemInform Abstract: Reaction of a‐Hydroxyketones and β‐Diketones with SF4 in Diethyl Ether.
Authors: STEPANOV I. V. , BURMAKOV A. I. , ALEKSEEVA L. A. , YAGUPOL'SKII L. M.
Published: May 2016

The α‐hydroxyketones (I) react in diethyl ether with SP4 with exchange of the hydroxy group by fluorine to yield the fluoro derivatives (II).
ChemInform Abstract: Boron Trifluoride Catalyzed Addition of Disulfides to Alkenes.
Authors: CASERIO M. C. , FISHER C. L. , KIM J. K.
Published: May 2016

Disulfide (II) werden in Gegenwart von Bortri?uoridetheraten an 2‐cis‐ Buten (I) zu den D,L‐Bissul?den (III) addiert, während aus dem trans‐ Olefin (IV) die meso‐Addukte (V) erhalten werden.
ChemInform Abstract: A Silyl Enol Ether Variation of the Robinson Annulation.
Authors: HUFFMAN J. W. , POTNIS S. M. , SATISH A. V.
Published: May 2016

In Gegenwart von Ti(IV)‐Verbindungen als Katalysator und Kondensationsmittel erhält man aus ungesättigten Ketonen und Silylenolethern entsprechende Addukte.
ChemInform Abstract: A New Ring Opening Reaction of N‐Aminophthalimide Hydrazones.
Authors: HEARN M. J. , ROSENBERG J. , CAMPBELL M. L.
Published: May 2016

Bei der Behandlung mit Basen entstehen aus den N‐Benzylidenamino‐ phthalimiden (I) die Phthalsäuremonlohydrazide (II).
ChemInform Abstract: Liberation of Hydrogen from an Anion Radical Pyrolysis.
Authors: STEVENSON G. R. , ESPE M. P. , EMANUELSON T.
Published: May 2016

Thermodynamisch stabile feste Komplexe aus Polyacen‐Anion‐Radikalen, Ammoniak und Erdalkalimetallen (I) setzen beim Erhitzen auf über 100°C Wasserstoff und Ammoniak frei unter Bildung polymerer Polyacene.
ChemInform Abstract: Steady‐State and Laser Flash Photolysis Studies of 1‐Aziridinyl‐1,2‐dibenzoylalkenes.
Authors: BARIK R. , KUMAR C. V. , DAS P. K. , GEORGE M. V.
Published: May 2016

Aus den Aziridinen (I) entstehen mit Dibenzoylacetylen (II) die stereoisomeren Addukte (III) und (IV), die photolytisch zu den Verbindungen (V)‐(VIII) führen.
ChemInform Abstract: α,α‐Dimethoxy‐o‐xylylene. (5‐(Dimethoxymethylene)‐6‐methylene‐1,3‐cyclohexadiene): Formation by 1,4‐Elimination and Electrocyclic Routes and Reactions.
Authors: MOSS R. J. , WHITE R. O. , RICKBORN B.
Published: May 2016

Die reaktive, im Titel genannte Verbindung (II) wird aus dem Orthoester (I) durch 1,4‐Eliminierung oder durch thermische elektrocyclische Ringöffnung des Benzoc‐yclobutens (XX) in situ erzeugt und durch Addition an die Olefine (V), (IX), (XII) und (XXI) abgefangen.
ChemInform Abstract: Reactions of Uranium Hydride with Some Organic and Organometallic Compounds.
Authors: DEACON G. B. , TUONG T. D. , FRANKLIN G. R.
Published: May 2016

UH, reduces chloro‐, bromo‐, and iodo‐benzene to benzene (yield 44, 74, 20%, respectively) and biphenyl (4‐ 16%), nitrobenzene to azoxybenzene (12%) and azobenzene (8%), azoxybenzene to azobenzene (43%), and triphenylarsine oxide to triphenylarsine (56%) in boiling THF and/or in the absence of added solvent at 130‐ 170°C. In TH F, benzoyl Chloride gives low yields of butylbenzoate (6%) and benzil.
ChemInform Abstract: Hydrogenolysis of the C‐O Bond of the 1,2,4‐Oxadiazine Ring. Adams Platinum Hydrogenation of 3‐Aryl‐5,6‐dihydro‐5‐(substituted)methylene‐4H‐1,2,4‐oxadiazine Derivatives.
Authors: KAWASHIMA E. , TAKADA T. , TABEI K. , KATO T.
Published: May 2016

Die Hydrogenolyse der Oxadiazine (I) liefert die Spalt‐ (II) und Hydrierungsprodukte (III), aus (IV) entstehen die analogen Reaktionsprodukte (V)‐(VII).
ChemInform Abstract: Homolytic Reductive Dehalogenation of Aryl Halides by Sodium Borohydride.
Authors: ABEYWICKREMA A. N. , BECKWITH A. L. J.
Published: May 2016

Aromatische Bromide oder Iodide (I), nicht jedoch Chloride bzw. Fluoride, reagieren unter UV‐Bestrahlung in Gegenwart von Natriumboranat und Radikalbildnern wie tert.‐Butylperoxid zu den Dehalogenierungsprodukten (II).
ChemInform Abstract: Nitrocyclohexadienones: Convenient New Mono‐Nitrating Agents for Aromatic Compounds.
Authors: ROUSSEL J. , LEMAIRE M. , GUY A. , GUETTE J. P.
Published: May 2016

Aus dem Tetrabrom‐nitro‐cyclohexadienon (I) erhält man mit den Naphtholen (II) isomere Nitroverbindungen (III) und (IV) neben dem Phenol (V), das mit Salpetersäure/ Eisessig erneut in das Nitrierungsmittel (I) übergeführt werden kann.
ChemInform Abstract: Reactions of Acrylic Acid with Amines in Aqueous Solutions.
Authors: SALOV V. N. , ZILBERMAN E. N. , KRASNOV V. L.
Published: May 2016

Die aliphatischen bzw. aromatischen Amine (II) reagieren mit Acrylsäure (I) zu den Monoaddukten (III), im Falle der primären Amine (IIa) bis (IIc) erhält man mit überschüssiger Acrylsäure auch die Bis‐Addukte (IV).
ChemInform Abstract: Synthesis of Isothiocyanates from Non‐aromatic Nitrogen‐containing Heterocycles.
Authors: GONDA J. , KRISTIAN P. , MIKLER L.
Published: May 2016

The oxazolines (I) react with thiophosgene to give the isothiocyanates (II), some of which are converted to the corresponding thioureas (III).
ChemInform Abstract: Total Synthesis of (±)‐12‐Hydroxy‐5(Z),8(Z),l0(E),l4(Z)‐eicosatetraenoic Acid (12‐HETE).
Authors: GUNN B. P. , BROOKS D. W.
Published: May 2016

Es wird eine Totalsynthese für die im Titel genannte Säure (VIII) beschrieben.
ChemInform Abstract: Synthesis and Reactivity of Ethyl 3‐Perfluoroalkyl‐3‐alkylthio Propenoates: Perfluoroalkylated Thiophenes and β‐Thioesters.
Authors: CHAUVIN A. , GREINER J. , PASTOR R. , CAMBON A.
Published: May 2016

The alkynes (Ia) and (Ib) react with the thiols (II), (IV) and (VIII) to give the products (III), (V)‐(VII) and (IX).
ChemInform Abstract: Optical Rotatory Dispersion Studies. Part 138. Synthesis and Conformational Analysis of β‐Heteroatom‐Substituted Cyclohexanones.
Authors: GORTHEY L. A. , VAIRAMANI M. , DJERASSI C.
Published: May 2016

Es wird eine Reihe β‐Heteroatom‐substituierter Cyclohexanone hergestellt, die für Konformationsanalysen einer umfassenden Untersuchung des jeweiligen Circulardichroismus und der NMR‐ Spektren unterzogen werden.
ChemInform Abstract: Direct Nucleophilic Attack on Sulfur Atom of a Norbornadienyl Sulfone.
Authors: CHOU T. , CHANG L.‐J.
Published: May 2016

Das Norbornadienyl‐sulfon (I) reagiert mit Methyllithium (II) über die Zwischenstufen (III) und (IV) bei der Behandlung mit Methyliodid oder Wasser zu den Sulfonen (V).
ChemInform Abstract: On the Synthesis of Methyl (Z/E)‐2‐Acetamido(or Benzamido)‐3‐aryl‐2‐butenoates.
Authors: CATIVIELA C. , DIAZ DE VILLEGAS M. D. , MELENDEZ E.
Published: May 2016

The (Z)‐butenoates (IIIa) and (IIIb) are obtained by two alternative methods: . stereospecific homologation of (I) via (II) or stereospecific opening of the oxazolones (IV).
ChemInform Abstract: Nitration of Bis(amido)naphthalenes.
Authors: NIELSEN A. T. , DEFUSCO A. A. , BROWNE T. E.
Published: May 2016

Die in literaturbekannter Weise erhaltene Naphthalin‐2,6‐dicarbonsäure (I) wird zu (II) nitriert und nach anschließender Azidbildung zum Dinitro‐diamin (IIIa) umgelagert und abgebaut, das die Derivate (IIIb) bis (IIId) ergibt.
ChemInform Abstract: Reaction of 5,6‐Benzobicyclo[2.2.1]hepta‐2,5‐diene with Thallium(III) Nitrate.
Authors: LAYTON W. J. , BROCK C. P. , CROOKS P. A. , SMITH S. L. , BURN P.
Published: May 2016

Bei der im Titel genannten Reaktion wird ein chromatographisch trennbares Gemisch des Dinitrats (II) und des Mononitrats (III) erhalten.
ChemInform Abstract: Synthesis of 3‐(1‐Hydroxyethyl)‐2‐azetidinones via Ester‐Imine Condensations.
Authors: BURNETT D. A. , GALLUCCI J. C. , HART D. J.
Published: May 2016

Addition der Aldimine (II) an das Lithium‐Enolat des Esters (I) liefert mit mäßiger bis sehr guter Stereoselektivität in Abhängigkeit von den Reaktionsbedingungen die β‐Lactame (III)‐(VII).
ChemInform Abstract: Synthesis of 2‐Nitro‐3‐methoxy‐benzofuran and the Corresponding Naphthofuranes.
Authors: EINHORN J. , DEMERSEMAN P. , ROYER R.
Published: May 2016

Aus dem Dihydro‐benzofuranon‐carbonsäureester (I) entsteht der Methoxybenzofuranester (IIa), der nach Hydrolyse zur freien Säure (IIb) zu (III) decarboxyliert wird.
ChemInform Abstract: Cyclocondensation of 3(2H)‐Benzo[b]thiophenone and Oxidation Products Obtained During These Reactions.
Authors: BERGMAN J. , EGESTAD B.
Published: May 2016

The cyclocondensation of the thiophenone (I) in the presence of HCl/HOAc at 100°C yields a mixture of dimers (II), trimers (III), (IV) and tetramers (V), (VI).
ChemInform Abstract: The Fischer Indolisation of Cyclobutylphenylketonephenylhydrazone.
Authors: ROBINSON B. , KHAN M. I.
Published: May 2016

Das aus dem Cyclobutylphenylketon (I) mit Phenylhydrazin (II) erhaltene Phenylhydrazon (III) reagiert bei Einwirkung von HCl‐Gas in Alkoholen (IV) zu den Alkoxycyclopentaindolen (V).
ChemInform Abstract: Synthesis of Mono and Unsymmetrical Bis Ortho Esters of scyllo‐Inositol.
Authors: LEE H. W. , KISHI Y.
Published: May 2016

myo‐ Inosit (I) liefert mit Orthoameisensäuretriethylester das Trioxa‐ adamantan (IIa), das über (IIb)‐(Va) in das Triol (Vb) übergeführt wird, welches dann zu den Bisorthoestern (VII) kondensiert wird.
ChemInform Abstract: Rigid Congeners of Arylpyridazinones. Part 4. Synthesis and Activity of Derivatives of the New Heterocyclic System 9H‐Indeno[2,l‐c]pyridazine.
Authors: PINNA G. A. , CURZU M. M. , LORIGA M. , CIGNARELLA G. , BARLOCCO D. , MALANDRINO S.
Published: May 2016

Indanonylessigsäureethylester (I) reagiert mit Hydrazin zu den Indeno‐ pyridazinonen (II) bzw. (III).
ChemInform Abstract: Preparation and Reactions of Mono‐Reissert Compounds and Analogs at the 3,4‐Position of Quinazoline.
Authors: KANT J. , POPP F. D. , UFF B. C.
Published: May 2016

Die Chinazoline (I) können in die Mono‐Reissert‐Verbindungen (IV) übergeführt werden.
ChemInform Abstract: Synthesis and Some Reactions of 8‐Bromo‐3‐methylxanthine.
Authors: ROMANENKO N. I. , PRIIMENKO B. A. , FEDULOVA I. V. , CHERVINSKII A. YU.
Published: May 2016

Die im Titel genannte Verbindung (II), dargestellt durch Bromieren von 3‐Methyl‐xanthin (I), wird nach bekannten Methoden zu den Derivaten (IV), (VI), (VII), (IX) und (X) umgesetzt.
ChemInform Abstract: Synthesis and Properties of 7‐Alkoxyfurazano[3,4‐d]pyrimidines and Their Use in the Preparation of 4‐Alkoxypteridines and N3‐Substituted Pterins.
Authors: BOYLE P. H. , LOCKHART R. J.
Published: May 2016

Die aus dem 7‐Methylthio‐furazanopyrimidin (I) durch Einwirkung von Alkoholen (II) und Brom erhaltenen im Titel genannten Verbindungen (III) werden katalytisch zu den luftempfindlichen Triaminopyrimidinen (IV) hydriert und in situ mit Benzil (V) zu den Pteridinen (VI) kondensiert.
ChemInform Abstract: Broadened Scope of Translocative Rearrangements. Substituted 1,2,3‐Triazolo[1,5‐a]‐1,3,5‐triazines.
Authors: OAKES F. T. , LEONARD N. J.
Published: May 2016

Das aus dem Diamid zugängliche Methyl‐malodinitril (I) wird nach Bromierung zu (II) zum Azid (III) umgesetzt, aus dem bei der Hydrie‐ 12l rung neben dem Amin (IV) über das Triazen (V) das Triazol (VI) erhalten werden kann.
ChemInform Abstract: Design and Synthesis of DNA Intercalating Crown Ether Molecules.
Authors: BASAK A. , DUGAS H. , BRUNET P. , DESROCHES J.
Published: May 2016

Aus entsprechenden Mono‐ und Bis‐anhydriden werden die Halbester (I) bzw. (II) hergestellt.
ChemInform Abstract: [(Trimethylsilyl)methyllcopper(I) Species: Versatile Reagents to Prepare Functionally Substituted Allylic Silanes.
Authors: KLEIJN H. , VERMEER P.
Published: May 2016

Die unter milden Bedingungen ablaufenden Substitutionsreaktionen (SN2′) des Kupfer(I)‐organyls (I) mit den Alkinen (III) und (V) sowie den Allenen (VII), (IX) und (XI) in THF führen in hohen Ausbeuten zu den Silanen (IV), (VI), (VIII), (X) und (XII).
ChemInform Abstract: Direct Polysilylation: a Rapid Pathway to Model Compounds with Strong Steric Hindrance.
Authors: LAGUERRE M. , LEGER J. M. , N'GABE D. Y. , BIRAN C. , DUNOGUES J.
Published: May 2016

Reaction of the benzenes (I) with an excess of the Chloride (II) yields the silicon compounds (IIIa) (X‐ray analysis: space group P21/n; Z=4) and (IIIb) (two steric isomers).
ChemInform Abstract: X‐Ray Crystallographic Characterization of a Stepwise, Metal‐Assisted Oxidative Decarboxylation: Vanadium Complexes of Ethylenebis[(o‐hydroxyphenyl)glycine] and Derivatives.
Authors: RILEY P. E. , PECORARO V. L. , CARRANO C. J. , BONADIES J. A. , RAYMOND K. N.
Published: May 2016

The three vanadyl complexes (I)‐(III) are associated with a novel stepwise oxidative decarboxylation of (I) to (III).
ChemInform Abstract: Chelated Cobalt Bis(ethylenediamine) Amino Acid Ester Complexes: Racemization During Peptide Synthesis.
Authors: MENSI N. , ISIED S. S.
Published: May 2016

The complex [(en)2Co(l‐Phe ‐ OMe)]3+ (I) reacts with the amino acid ester hydrochlorides l‐Phe ‐ O ‐ R‐ HCl (II) to give the dipeptide complexes cis‐[(en)2Co(l‐Phe ‐1‐Phe ‐ OR)]3+ (III).
ChemInform Abstract: A Binuclear Copper(II) Complex of the Schiff Base Derived from 1,1′‐(2,6‐Pyridyl)‐bis‐1,3‐butanedione and 3‐Amino‐1‐propanol.
Authors: BAILEY N. A. , FENTON D. E. , TATE J. R.
Published: May 2016

The title Complex (I) is dimeric and crystallizes in the space group PT with Z=4.
ChemInform Abstract: Crystal Structure of the Trichlorotris(1,3‐dimethylimidazoline‐2‐thione)platinum(IV) Cation: the Product of a Novel Oxidation‐Addition Reaction.
Authors: BUTLER L. M. , CREIGHTON J. R. , RAPER E. S. , TOMLINSON W. R.
Published: May 2016

The title complex (I) (space group PI, Z=2) is a by‐product of the reaction between the tetrachloroplatinate?l) ion and the imidazoline derivative in molar hydrochloric acid yielding the complex (II).
ChemInform Abstract: Synthesis of Novel Steroids Belonging to the 15‐ and 17‐Thiaestrone and the 15‐ and 17‐Thiaandrostane Types.
Authors: TOLSTIKOV G. A. , SHUL'TS E. E. , STRUCHKOV YU. T. , YUFIT D. S. , LINDEMAN S. V.
Published: May 2016

The diene reaction between the l‐vinyldihydronapht halene (I) and the thiolenones (IIa)‐(IIc) yields the isomeric thiasteroids (III) and (IV), with the exception of the thiolenone (IIb), which yields the isomer (I Ilb) only.
ChemInform Abstract: Synthesis of Methyl 2,3,4‐Tri‐O‐benzyl‐D‐ and ‐L‐glycero‐α‐D‐glucoheptopyranosides.
Authors: JAROSZ S.
Published: May 2016

The title compounds (IIIa) and (IIIb) have been synthesized starting from the known pyranosides (Ia) or (Ib).
ChemInform Abstract: Unsymmetrically Disubstituted β‐Cyclodextrins. 6A,6X‐Dideoxy‐6A‐azido‐ 6X‐[(mesitylsulfonyl)oxy] Derivatives.
Authors: FUJITA K. , YAMAMURA H. , IMOTO T.
Published: May 2016

Reaktionen an β‐Cyclodextrinen zu funktionellen Derivaten, speziell mit Tosyloxy‐, Mesyloxy‐ und Azid‐Strukturen werden diskutiert.
ChemInform Abstract: Diene Synthesis Assisted by Thebaine and 2‐Thiolen‐4‐on‐1,1‐dioxides as a Route to Sulphur‐Containing Alkaloids of the Morphinane Series.
Authors: TOLSTIKOV G. A. , SHULTZ E. E. , SPIRIKHIN L. V.
Published: May 2016

Reaction between thebaine (I) and the dioxide (II) in boiling benzene yields the compounds (III) and (IV).