bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Quinone Imine Route to Benzimidazol‐2‐ylcarbamates. Part 3. Effect of Extension of Conjugation in the Quinone Imine.
Authors: DIVAKAR K. J. , GAIKWAD B. V. , TAMPAL N. F. , RAJAPPA S.
Published: May 2016

The guanidine derivatives (Ia) and (Ib), prepared from 2‐amino‐5‐nitrophenol, are converted to the benzimidazoles (II) by a previously described procedure via the corresponding quinone imine intermediates.
ChemInform Abstract: Nitrile Sulphides. Part 5. 1,3‐Dipolar Cycloaddition of p‐Methoxybenzonitrile Sulphide to Imines and Crystal Structure of One of the Resulting 4,5‐Dihydro‐1,2,4‐thiadiazoles.
Authors: GOULD R. O. , PATON M. R. , ROSS J. F. , WALKINSHAW M. D. , CROSBY J.
Published: May 2016

The benzonitrile sulfide (II) ‐ generated by thermal decarboxylation of (I) ‐ undergoes Cycloaddition with the Schiff bases (III) to give the title compounds (IV) in small amounts together with the nitrile (V).
ChemInform Abstract: Aromatic Benzylation. Part 6. Some More Experiments on Nuclear Benzylation of 2,4‐Dihydroxydesoxybenzoin and Synthesis of C‐Benzylated Isoflavones.
Authors: JAIN A. C. , NAYYAR N. K. , ARYA P.
Published: May 2016

The title reaction of compound (I) yields the products (III)‐(V).
ChemInform Abstract: Application of the Lewis Acid‐Catalysed Claisen Rearrangement of 4′‐(1,1‐Dimethylallyloxy)coumarates to the Synthesis of Demethylsuberosin.
Authors: CAIRNS N. , HARWOOD L. M. , ASTLES D. P.
Published: May 2016

Ausgehend von dem Propinylether (I) erhält man über den Ester (II) den Allylether (III), der nach Claisen regioselektiv zur Verbindung (IV) umgelagert wird.
ChemInform Abstract: The Synthesis of 2‐Naphthyl‐3‐nitro‐2H‐1‐benzopyrans.
Authors: VARMA R. S. , KADKHODAYAN M. , KABALKA G. W.
Published: May 2016

Die Umsetzung der 2‐Hydroxybenzaldehyde (I) mit den 2‐Nitroethenylnaphthalinen (II) führt zu den Benzopyran‐Derivaten (III).
ChemInform Abstract: Syntheses of Ring‐Hydroxylated Nipradilols and Their Denitro Derivatives.
Authors: AKASHI T. , KAWAMURA K. , SHIRATSUCHI M. , ISHIHAMA H.
Published: May 2016

Als potentielle Metaboliten des Antihypertensivums Nipradilol (Ia) sowie des Denitro‐ nipradilols (Ib) werden in vielstufigen Synthesen die Ring‐hydroxylierten Derivate (Ic)‐(Ie), (VIII) und (X) synthetisiert.
ChemInform Abstract: Synthesis of Highly Dipolar Betaines: Pyridinium Azolates.
Authors: ALCALDE E. , DINARES I. , FAYET J.‐P. , VERTUT M.‐C. , ELGUERO J.
Published: May 2016

Durch Umsetzung von aktivierten Chlorazolen mit Pyridin oder von Aminoazolen mit Tripheny1pyridiniumtetrafluoroborat und jeweils anschließende Deprotonierung mit stark basisehen" Anionaustauschern entstehen die Pyridiniumazolate (I)‐(V), die ein beson‐ ders großes Dipolmoment von 10‐18 Debye besitzen.
ChemInform Abstract: Thiophene Analogues of the Alkaloids. Part 5. Preparation of Thieno[2,3‐b]‐ and ‐[3,2‐b]pyridine Analogues of 2‐Aryl‐1‐methyl‐4‐quinolone Alkaloids from Thiophene Isosteres of N‐Methylisatoic Anhydride.
Authors: BARKER J. M. , HUDDLESTON P. R. , HOLMES D.
Published: May 2016

Hydrolysis and cyclization of the ester (I) gives the thiophene counterpart (III) of isatoic anhydride, which is methylated [‐ (V)] and treated with the acetophenones (VI) to yield the title compounds (VII).
ChemInform Abstract: Condensed Heteroaromatic Ring Systems. Part 5. Formal Synthesis of Matrine and Related Compounds Using Palladium‐Catalyzed Carbon‐Carbon Bond Formations as Key Reactions.
Authors: SAKAMOTO T. , MIURA N. , KONDO Y. , YAMANAKA H.
Published: May 2016

Didehydromatrin (XVI) sowie Nordehydro‐a‐matrinidin (XXl) werden auf den im Schema angegebenen Wegen aus dem Naphthyridinon (I) bzw. dem 1,6‐Naphthyridin (XVII) synthetisiert.
ChemInform Abstract: Syntheses and Antifolate Activity of 5‐Methyl‐5‐deaza Analogues of Aminopterin, Methotrexate, Folic Acid and N10‐Methylfolic Acid.
Authors: PIPER J. R. , MCCALEB G. S. , MONTGOMERY J. A. , KISLIUK R. L. , GAUMONT Y. , SIROTNAK F. M.
Published: May 2016

Die 5‐Methyl‐5‐desaza‐Ana.‐ loga von Aminopterin (VIIIb), Methotrexat (IXa), Folsäure (XVa) und Methylfolsäure (XVb) werden, ausgehend von den Orthoestern (I) und Malodinitril (II), auf den im Formelschema angegebenen Wegen hergestellt.
ChemInform Abstract: New Sulfur‐Containing [4.5]‐Spiroheterocycles.
Authors: HERRMANN G. , SUESS‐FINK G. +
Published: May 2016

New Sulfur‐Containing [4.5I‐Spiroheterocycles.
ChemInform Abstract: Syntheses and Properties of Two Ethoxytrimethylbisdehydroaza‐[16]annulenes and Ethoxytrimethylbisdehydroaza[18]annulene.
Authors: OJIMA J. , YAGI Y. , MANAKA S. , NAKADA T. , SHIRAIWA Y.
Published: May 2016

Oxime formation of (I) followed by Beckmann rearrangement yields the lactam (II), which is converted to the azaannulene (III) by reaction with the triethyloxonium salt (V).
ChemInform Abstract: Acid‐Catalyzed Double‐Cyclization Reactions of N,N‐Dibenzylaminoacetaldehyde Dialkyl Acetals and Related Compounds: General Synthesis of 7,12‐Dihydro‐5H‐ 6,12‐methanodibenz[c,f]azocines and Related Compounds.
Authors: SUZUKI T. , TAKAMOTO M. , OKAMOTO T. , TAKAYAMA H.
Published: May 2016

Die Aminoacetale (III) cyclisieren in Gegenwart von Perchlorsäure oder Trifluormethansulfonsäure glatt zu den bicyclischen Aminen (VI), aus denen durch Hofmann‐Abbau die Dibenz[c,f]azocine, z.B. (VII), zugänglich sind.
ChemInform Abstract: The Application of Phase‐Transfer Catalyzed Version of Atherton‐Todd Reaction to Sulfonamides.
Authors: LUKANOV L. K. , VENKOV A. P. , MOLLOV N. M.
Published: May 2016

Aus den Sulfonamiden (I) und den Dialkylphosphiten (II) werden unter Phasen‐Transfer‐Bedingungen die N‐Sulfonylphosphoramidate (IV) hergestellt.
ChemInform Abstract: The Enantio‐ and Diastereoselective Synthesis of the First Phosphostatine Derivative.
Authors: DELLARIA J. F. JUN. , MAKI R. G.
Published: May 2016

Boc‐L‐phenylalaninol (I) wird nach Swern oxidiert und dann mit den Phosphonaten (II) in die Addukte (III) übergeführt.
ChemInform Abstract: The Lawesson Reagent in Phosphor Organic Synthesis. Part I. Method of Preparation of Thiophosphorous and Thiophosphonous Acids Alkyl Esters.
Authors: ZABIROV N. G. , CHERKASOV R. A. , PUDOVIK A. N.
Published: May 2016

Aus den Phosphorigsäure‐ bzw. Phosphonigsäureestern (II) werden mit Lawesson‐Reagens (I) die entsprechenden Thioverbindungen (III) erhalten.
ChemInform Abstract: A Pentagonal Pyramidal Lead(II) Complex with a Short Pb ‐ Cl Distance.
Authors: KOZIOL A. E. , PALENIK R. C. , PALENIK G. J.
Published: May 2016

The reaction of 2,6‐diacetylpyridine with semicarbazide hydrochloride yields a planar pentadentate ligand 2,6‐diacetylpyridinedisemicarbazone which reacts with Pb(NO3)2 in ethanol‐ water to afford the complex (I).
ChemInform Abstract: Reactions of [WI2(CO)(NCMe)(η2‐RC2R)2] (R: Me and Ph). Part 1. The Synthesis and Spectral Properties of the New Bisphosphite Complexes [WI2(CO){P(OR′)3}2(η2‐RC2R)] (R′: Me, Et, iPr and nBu).
Authors: BAKER P. K. , KEYS E. M.
Published: May 2016

The title complexes (II) are prepared in high yield via displacement of an acetonitrile and one alkyne ligand.
ChemInform Abstract: Chemistry of Dithiocarbamate Derivatives of Amino Acids. Part 1. Study of Some Dithiocarbamate Derivatives of Linear α‐Amino Acids and Their Nickel(II) Complexes.
Authors: CASTILLO M. , CRIADO J. J. , MACIAS B. , VAQUERO M. V.
Published: May 2016

The barium dithiocarbamate derivatives (II) of the ouamino acids are synthesized as shown.
ChemInform Abstract: Transmetalation of Tetranuclear Copper Complexes. Part 7. Spectral Evidence for the Substoichiometric Transmetalation of (μ4‐O)[(DENC)Cu]4X6 Complexes (DENC: N,N‐Diethylnicotinamide; X: Cl or Br) by a Ni(NS)2 Reagent.
Authors: DAVIES G. , EL‐SAYED M. A. , EL‐TOUKHY A.
Published: May 2016

Analytical and cryoscopic data and EPR, electronic, and IR spectral data indicate that the reaction of the tetranuclear (p4‐oxo) copper Complexes (I) with the transmetalating agent (II) proceeds in distinct, stoichiometric steps to give pure homologous products (III).
ChemInform Abstract: Metal Complexes of Anti‐inflammatory Drugs. Part 3. Nictindole Complexes of Copper(II) Halides.
Authors: UNDERHILL A. E. , BLUNDELL R. P. , GOMM P. S. , JACKS M. E.
Published: May 2016

The reaction of copper(II) halides with the title ligand in ethanol yields the Complexes (I) (no yield given).
ChemInform Abstract: A Sequential Double Arbuzov‐like Demethylation of cis‐PtX2(P(OMe)3)2 by Added Halide Ion.
Authors: KING C. , ROUNDHILL D. M.
Published: May 2016

Addition of the appropriate halide ion to acetonitrile solutions of the complexes (I) results in nucleophilic attack at the methyl carbon.
ChemInform Abstract: Synthesis, Reactivity and 1H NMR Spectroscopy of 14,15‐Methylene Derivatives of the Androstane and Estratriene Series.
Authors: PROUSA R. , SCHOENECKER B. + , TRESSELT D. , PONSOLD K.
Published: May 2016

Under the activating influence of the 17‐OH group the Simmons‐Smith cyclopropanation of the steroids (Ia), (V), and (IX) affords the methylene derivatives (IIa), (VI), and (X) stereospecifically.
ChemInform Abstract: Synthetic Experiments in Lignans. Part 9. Thermal and Photochemical Cyclisations of Diarylidenesuccinic Anhydrides and a Synthesis of Dehydrolintetralin.
Authors: ANJANEYULU A. S. R. , UMASUNDARI P. , SASTRY CH. V. M. , SATYANARAYANA P.
Published: May 2016

Thermal and photochemical cyclisations of the compounds (I) are investigated, yielding products of type (II) as indicated in the scheme.
ChemInform Abstract: Total Synthesis of (‐)‐Vitrenal and Its Biological Activity.
Authors: KODAMA M. , TAMBUNAN U. S. F. , TSUNODA T. , ITO S.
Published: May 2016

Two Claisen rearrangements are the key features in the Synthesis of the title compound (XIV), the enantiomer of naturally occurring vitrenal.
ChemInform Abstract: A Convenient Synthesis of (±)‐Dimorphecolic Acid and Its Analogs.
Authors: TSUBOI S. , MAEDA S. , TAKEDA A.
Published: May 2016

The title compound (IIId), one of the self‐defensive substances in rice plants against rice blast disease, is prepared from decadienal (I) by reaction with the Grignard reagent (IIa) to give (IIIa), followed by oxidation to the corresponding ketoacid and reduction of the carbonyl group.
ChemInform Abstract: Vibrational and Electronic Spectra of Decahalogenodiosmates(IV), [Os2X10]2‐, X: Cl, Br)
Authors: BRUNS M. , PREETZ W.
Published: May 2016

The vibrational spectra of the edge‐sharing bioctahedral title anions are assigned according to point group Dzh.
ChemInform Abstract: How Does the Electrochemical Behaviour of Stainless Steel Reflect that of Its Constituent Elements?
Authors: HARRISON J. A. , WILLIAMS D. E.
Published: May 2016

High frequency impedance‐potential measurements at various points of the steady state current‐potential curve have been carried out for stainless steel and its constituents in contact with simple aqueous electrolytes and parameter curves which should reflect the contributions of the constituents to the electrochemical behaviour of stainless steel are obtained.
ChemInform Abstract: Acidic Properties of Binary Oxide Catalysts. Part 1. Mößbauer Spectroscopy and Pyridine Adsorption for Iron Supported on Silica.
Authors: CONNELL G. , DUMESIC J. A.
Published: May 2016

The results of Mößbauer Spectroscopy indicate that there are three types of Fe cations present on the SiO2 surface, i.e., Fe(III) and two states of Fe(II) having low and high coordination, respectively.
ChemInform Abstract: Development of Carriers with Controlled Concentration of Charged Surface Groups in Aqueous Solutions.
Authors: VORDONIS L. , KOUTSOUKOS P. G. , LYCOURGHIOTIS A.
Published: May 2016

Doping of γ‐Al2O3 with 0.621 mmol Li+ per g γ‐Al2O3 is found to be sufficient to shift the point of zero Charge (ZPC) from 5.3 to 9.8.
ChemInform Abstract: The First Oxoaurate(I) with Dumb‐bell‐like Anion: KNa2(AuO2).
Authors: WAGNER G. , HOPPE R.
Published: May 2016

Transparent light yellow single crystals of the title compound have been prepared by annealing a mixture of NaAu, Na2O2, and K202; (221 :l) at 430°C for 6d (sealed Ag cylinder).
ChemInform Abstract: On the Relation Between the Frontier Orbitals in Small Rings, Macrocyclic Compounds, and Linear Polymers with Extended π Systems.
Authors: WENNERSTROEM O. + , NORINDER U.
Published: May 2016

Hückel theory and rotational symmetry transformations are used to demonstrate the close relation between the frontier orbitals in small rings, macrocyclic compounds and linear polymers with conjugated n systems built from the same repeating units.
ChemInform Abstract: Anodic Oxidation of O‐Benzoylated α‐Hydroxyacetic Acids Concerning the Structure of the Cationic Intermediate.
Authors: THOMAS H. G. , KESSEL S. , MUELLER E. +
Published: May 2016

Based on gas‐chromatographic measurements coupled with MS the anodic oxidation of the labeled acetic acid (I) at graphite eIectrodes is shown to proceed via the open‐chain intermediate (II).
ChemInform Abstract: The Acetolysis of Ditosylates with a Bicyclo[4.4.0]decane Skeleton.
Authors: STANESCU M. , BADEA F. , MIHAI G.
Published: May 2016

Butadien (I) und Acetylendicarbonsäure (II) reagieren zu dem Addukt (III), aus dem über das Anhydrid (IV) die Derivate (V) erhalten werden können.
ChemInform Abstract: Mechanism of the One‐Pot Synthesis of 3‐Amino‐3‐(2‐nitrophenyl)propionic Acid.
Authors: OELSCHLAEGER H. + , OGORKA J. , KOLBECK I.
Published: May 2016

Die Darstellung der 3‐Amino‐3‐(o‐nitrophenyl)‐propionsäure (I I I) aus o‐Nitrobenzaldehyd (I) und Malonsäure (II) in Gegenwart von Ammoniumacetat wird optimiert und mechanistisch untersucht.
ChemInform Abstract: Reaction of Salicylic Acid with Paraformaldehyd.
Authors: POKROVSKAYA I. E. , FENINA M. YU. , IVANOV YU. A. , FALIN V. A. , BESSARABOV A. M.
Published: May 2016

Die Kinetik der Formaldehyd‐ Salicylsäure‐Kondensation in Essigsäure wird im Temperaturbereich von 70‐95°C untersucht.
ChemInform Abstract: Stereochemistry of Metal‐Ammonia Ring Reduction of Aryl Carboxylates and Ketones and NMR Conformational Analysis of the Dihydro Aromatic Products.
Authors: RABIDEAU P. W. , DAY L. M. , HUSTED C. A. , MOONEY J. L. , WETZEL D. M.
Published: May 2016

Während die Reduktion der Anthracene (I) mit Natrium in flüssigem Ammoniak fast ausschließlich zu den cis‐Dihydro‐Derivaten (II) führt, entstehen aus den Naphthalinen (III) Gemische aus den trans‐ und cis‐Verbindungen (IV) und (V).
ChemInform Abstract: Trityl Perchlorate Catalyzed Tandem Michael‐Aldol Reaction. A Facile Method for the Stereoselective Syntheses of γ‐Acyl Substituted δ‐Hydroxy Ketone Derivatives.
Authors: KOBAYASHI S. , MUKAIYAMA T.
Published: May 2016

Mit Tritylperchlorat als Katalysator gelingt in einer Eintopf‐Reaktion die Michael‐ Addition der Silylenolether (II) an die ungesättigten Ketone (I) zum Zwischenprodukt (III) und die sofort anschließende Aldol‐ Addition an die Aldehyde (IV), wobei mit ausgezeichneter Diastereoselektivität die anti‐Diastereomeren (V) erhalten werden.
ChemInform Abstract: Stereoselective Aldol Reaction with Chiral Secondary Acetamides.
Authors: DEVANT R. , BRAUN M.
Published: May 2016

Reaction of the deprotonated acetamides (Ia)‐(Ic) [‐+ (III)] yields mixtures of the isomeric hydroxy products (IV) and (V).
ChemInform Abstract: Regio‐ and Stereoselectivity of Novel Thermal [3 + 2] Cycloaddition Reactions of Mesoionic 1,3‐Oxathiol‐4‐ones to Alkynes and Alkenes.
Authors: GOTTHARDT H. , KINZELMANN H.‐G. , FEIST U. , BUDDRUS J.
Published: May 2016

Whereas [3 + 2] Cycloaddition of the title compounds (I) with alkynes (II) directly yields furan derivatives (III) (following loss of COS), primary adducts are obtained in the reaction with alkenes.
ChemInform Abstract: Intramolecular [3 + 2]Cycloadditions of Functionalized Azomethine Ylides.
Authors: CONFALONE P. N. , EARL R. A.
Published: May 2016

Aus den Aldehyden (I) und den Aminosäureestern (II) erhält man über die Ylide (III) die Cyclisierungsprodukte (IV).
ChemInform Abstract: Thiocarbonyl Ylide. Part 4. Effect of a Silyl Group on the Regio‐ and Stereoselectivity in 1,3‐Dipolar Cycloaddition.
Authors: TERAO Y. , AONO M. , ACHIWA K.
Published: May 2016

Addition der aus den α‐Bromthioethern (Ia) und (Ib) thermisch generierten Schwefelylide (II) an die Acrylsäure‐Derivate (III) liefert ein Gemisch der regioisomeren Tetrahydrothiophene (IV) und (V).
ChemInform Abstract: Cycloaddition Reactions of Phenylallene. Ring Closure of the Diradical Intermediate Involving the Aromatic Ring.
Authors: PASTO D. J. , YANG S. H.
Published: May 2016

Die thermischen Cycloadditionen von Phenylallen (I) mit dem Frigen (II), dem Fumarsäureester (VIII) und dem Maleinimid (XIV) werden untersucht.
ChemInform Abstract: Intramolecular Amidoselenation of N‐Alkenylamides: Formation of Nitrogen Heterocycles.
Authors: TOSHIMITSU A. , TERAO K. , UEMURA S.
Published: May 2016

Die intramolekulare Amidoselenierung der Alkenylamide (I), (IV), (VII) und (X) mit den Phenylselenenylhalogeniden (II), (V) und (VIII) führt zu den Pyrrolidinen (III), (IX) und (XI) bzw. den Piperidinen (VI).
ChemInform Abstract: Syntheses of 5‐Aryl‐2‐cyclohexenones.
Authors: UNTERHALT B. , REINHOLD H. J.
Published: May 2016

Aus den Aldehyden (1) und Methyl‐isopropyl‐keton (II) erhält man über die ungesättigten Ketone (III) die Cyclohexenone (IV).
ChemInform Abstract: Smiles Rearrangement of a Pyridyl Sulfoxide.
Authors: BRAUN M. , HILD W.
Published: May 2016

The mixture of diastereomers (I) and (II), generated in situ from the corresponding lithiated sulfoxide and benzal‐ ′ dehyde, leads to the disulfide (III).
ChemInform Abstract: Photochemistry of Quinone Diazides. Intramolecular Oxygen Transfer and Carbenoid Addition during Photolysis of N‐Allylsulfonamido Quinone Diazides.
Authors: SUNDBERG R. J. , BAXTER E. W.
Published: May 2016

Aus dem Nitramin (I) erhält man das Diazochinon (IV).
ChemInform Abstract: Photoinduced Reactions. Part 168. Photooxygenation of Furans in the Presence of Trimethylsilyl Cyanide.
Authors: SAITO I. , KUO Y.‐H. , MATSUURA T.
Published: May 2016

Aus den Furanen (I) erhält man bei der Photooxidation und Behandlung mit Dimethylsulfid die Diketone (II), die mit Trimethylsilylcyanid zu den Dihydrofuranen (III) recyclisiert werden.
ChemInform Abstract: Reactions of Furoxans with Phosphorus Ylides.
Authors: ARGYROPOULOS N. G. , GALLOS J. K. , NICOLAIDES D. N.
Published: May 2016

From the reactions of the furoxans (I) and (IX) with phosphorous ylides such as (II) and (V), shown in the scheme, it is concluded that the products (III), (IV), (VIII), and (XII) are formed via an initial nucleophilic attack of the ylide either at N‐3 of the furoxan ring or at one of the N atoms of the tautomeric dinitroso forms.
ChemInform Abstract: Hydrogenolysis of Small Cycloalkanes. Part 13. Hydrogenation of Homocubane Derivatives.
Authors: OSAWA E. , SCHNEIDER I. , TOYNE K. J. , MUSSO H.
Published: May 2016

The hydrogenation of homocubane (I) leads to the initial products (II) and (III).
ChemInform Abstract: Preparation of α‐Fluoroaldehydes and α‐Fluoroketones Using Dilute Fluorine.
Authors: PURRINGTON S. T. , LAZARIDIS N. V. , BUMGARDNER C. L.
Published: May 2016

Aus den Silylenolethern (I) erhält man durch Einwirkung von Fluor unter Eliminierung von Trimethylsilylfluorid die fluorierten Oxoverbindungen (II).
ChemInform Abstract: Fluorination and Fluorodemercuration of Aromatic Compounds with Acetyl Hypofluorite.
Authors: VISSER G. W. M. , BAKKER C. N. M. , VON HALTEREN B. W. , HERSCHEID J. D. M. , BRINKMAN G. A. , HOEKSTRA A.
Published: May 2016

Die Arylquecksilberverbindungen (I) reagieren mit Acetylhypofluorit (II) in Essigsäure zu den Fluoraromaten (III); daneben entstehen die Substitutionsprodukte (IV) und (V).
ChemInform Abstract: Alkylation Of Phenols by Dihaloalkanes in Basic Medium as a Method for the Preparation of Substituted Spirocyclohexa‐2,5‐dien‐1‐ones.
Authors: KRYSIN A. P.
Published: May 2016

The reaction of 2,6‐ditert.‐butylphenol (I) with the co,(n′‐dibromoalkanes (I I) in the presence of NaOH in THF at I50°C yields the spirocyclohexa‐LS‐dien‐ I ‐ones (III) as the main products.
ChemInform Abstract: Syntheses of New Substituted Pentacyclo[5.4.0.02,6.03,10.05,9]undecanes: A Novel Synthesis of Hexacyclo[6.2.1.13,6.02,7.04,10.05,9]dodecane (1,3‐Bishomopentaprismane).
Authors: MARCHAND A. P. , WU A.
Published: May 2016

Ausgehend vom Pentacycloundecandion (I) werden die im Formelschema aufgeführten Reaktionen durchgeführt, die u.a. zu dem Bis‐homopentaprisman (VIII) führen.
ChemInform Abstract: Organic Disulfides and Related Substances. Part 46. Derivatives of 2‐(Benzylsulfinyl)ethanethiol.
Authors: CHANDRA R. , FIELD L.
Published: May 2016

Das aus dem Glykolmonothioether (I) über (II) zugängliche Thiosulfonat (IV) wird mit den Mercaptiden (VI) bzw. (VII) zu den Disulfiden (V) bzw. (VIII) umgesetzt.
ChemInform Abstract: Novel Symmetrical and Mixed Carbamoyl and Amino Polysulfanes by Reactions of (Alkoxydichloromethyl)polysulfanyl Substrates with N‐Methylaniline.
Authors: SCHROLL A. L. , BARANY G.
Published: May 2016

Durch partielle oder vollständige Chlorierung der Substrate (I) und anschließende Umsetzung mit N‐Methylanilin entstehen die Polysulfane (II) bis (VI), die durch HPLC untersucht werden.
ChemInform Abstract: Conjugate Addition of Organocuprates to trans‐4a,5,6,7,8,8a‐Hexahydronaphthalene‐1‐carboxaldehydes.
Authors: MARSHALL J. A. , AUDIA J. E. , SHEARER B. G.
Published: May 2016

Die durch schwache Lewis‐Säuren katalysierte intramolekulare Diels‐Alder‐Reaktion des Trienals (I) führt mit hoher endo‐Selektivität zum trans‐Octahydronaphthalin(II), das zum Dienal (III) dehydriert wird.
ChemInform Abstract: Synthesis of β‐Lactams from α,β‐Unsaturated Sugar δ‐Lactones.
Authors: PANFIL I. , CHMIELEWSKI M. , BELZECKI C.
Published: May 2016

Die 1,3‐dipolare Cycloaddition der Nitrone (I) an das α,β‐ungesättigte Lacton (II) liefert in Abhängigkeit vom Substitutionsmuster der Verbindungen (I) die Addukte (III) und/oder (IV).
ChemInform Abstract: Preparation of 2‐Substituted Pyrroles and Indoles by Regioselective Alkylation and Deprotection of 1‐(2‐Trimethylsilylethoxymethyl)pyrrole and 1‐(2‐Trimethylsilylethoxymethyl)indole.
Authors: EDWARDS M. P. , DOHERTY A. M. , LEY S. V. , ORGAN H. M.
Published: May 2016

Pyrrole (Ia) and indole (Ib) are N‐alkylated to yield the N‐protected derivatives (IIa) or (IIb).
ChemInform Abstract: Antiinflammatory 2,3‐Dihydro‐1H‐pyrrolizines. Part 9. Synthesis and Oxidation of (2,3‐Dihydro‐6,7‐diphenyl‐1H‐pyrrolizin‐5‐yl)acetaldehyde (DADHP‐5‐acetaldehyde).
Authors: DANNHARDT G. , STEINDL L.
Published: May 2016

Aus den Pyrrolizinyl‐oxalsäurederivaten (I) erhält man über das Diol (II) mit Säuren neben dem Kondensationsprodukt den Aldehyd (III); dieser ist in Form des Ethylenglykolacetals (V) stabil und kann zu (VI) bzw. (VII) oxidiert werden.
ChemInform Abstract: The Alcoholysis of 1,5‐Diazabicyclo[3.3.0]octane‐2,4,6,8‐tetrone and Some Derivatives.
Authors: FRITSCH G. , ZINNER G. , ERNST L.
Published: May 2016

Die Alkoholyse der Diazabicyclo[3.3.0]tetrone (I) liefert unter Spaltung beider Ringhälften die Diester (III), während aus dem unsymmetrisch substituierten Vertreter (IV) nur das Mono‐Spaltprodukt (V) gebildet wird.
ChemInform Abstract: Synthesis and Physical Properties of Stable 1,3‐Oxathiolylium‐4‐olates.
Authors: GOTTHARDT H. , KINZELMANN H.‐G.
Published: May 2016

The xanthogenate derivative (I) is obtained from glycolic acid with CS2 and 2‐chloroacet‐amide.
ChemInform Abstract: Preparation of 5‐Substituted 1,2,4‐Triazole‐3‐carboxylic Acid Derivatives from N‐ Acylamidrazones of Ethyl Oxalate.
Authors: DOST J. , STEIN J. , HESCHEL M.
Published: May 2016

Reactions of the esters (I) with acetic anhydride (II) produce only the triazole derivative (IV).
ChemInform Abstract: 4‐Acyl‐2‐acylamino‐4,5‐dihydro‐1,3,4‐thiadiazoles by Acylation of Thiosemicarbazones.
Authors: ANDREAE S. , SCHMITZ E. , SEEBOTH H.
Published: May 2016

Thiosemicarbazones, such as (I), react with acid anhydrides, (II) (in excess), to give the corresponding title compounds of type (IV) [the thiosemicarbazones, formed from thiosemicarbazide and the corresponding carbonyl compounds, maybe used without isolation.
ChemInform Abstract: Reactions of N‐(Methoxycarbonylmethyl)pyridinium Halides with 2‐Hydroxyethylhydrazine.
Authors: SHEVCHENKO V. V. , PROTASOVA N. V. , SHRUBOVICH V. A. , LAPTII S. V. , KORSAKOVA L. N.
Published: May 2016

The reaction between 2‐hydroxyethylhydrazine (II) and the pyridinium halides (I) occurs at the α‐nitrogen atom to yield the N‐[1‐(2‐hydroxyethyl)hydrazinocarbonylmethyl]pyridinium compounds (III).
ChemInform Abstract: The Preparation of "Elongated" Nicotine Analogues.
Authors: SECOR H. V. , SEEMAN J. I.
Published: May 2016

Kondensation des N‐silylierten Pyrrolidinons (I) mit den Estern (II) liefert die β‐Ketolactame (III), die durch Erhitzen mit Salzsäure in die Myosmin‐Analoga (IV) übergeführt werden.
ChemInform Abstract: Effect of A‐Strain. Diastereoselective Synthesis of 3,2′‐Methylene Bridged cis‐4a‐Aryldecahydroisoquinoline Ring System via N‐Acyliminium Ion‐Polyene Ring Closure.
Authors: KANO S. , YOKOMATSU T. , NEMOTO H. , SHIBUYA S.
Published: May 2016

Das im Titel genannte Ringsystem (VI) wird durch eine diastereoselektiv verlaufende Acyliminium‐Cyclisierung von (IIc) zu (IIIa) als Schlüsselreaktion aufgebaut.
ChemInform Abstract: Synthesis of Ketene Aminals with an Imidazolidine Ring by Condensation of 4,5‐Dihydro‐2‐(methylthio)‐1H‐imidazoles with Active Methylene Compounds and Some Addition and Cyclocondensation Reactions.
Authors: HUANG Z. , TZAI L.
Published: May 2016

The methylthioimidazoles (I) react with corresponding active methylene Compounds (II) to give the substituted methyleneimidazolidines (III) by elimination of methanethiol.
ChemInform Abstract: Derivatives of Naphthalene‐1,4,5,8‐tetracarboxylic Acid. Part 5. Reactions of Bisimides of Naphthalene‐1,4,5,8‐tetracarboxylic Acid with Alkali.
Authors: BONDARENKO E. F. , SHIGALEVSKII V. A.
Published: May 2016

The title compounds(I) are converted to the corresponding uncleaved sodium or potassium derivatives by gentle heating in the presence of NaOH or KOH, as is shown by the conversions of (Ia) and (Ic) to the corresponding compounds (IIa) and (IIb).
ChemInform Abstract: Synthesis and Conformational Analysis of 9,10,11,12,12a,13‐Hexahydro‐7H‐naphtho[1,2‐b]quinolizidine.
Authors: FERNANDEZ M. , TRIGO G. G. , SOELLHUBER M. M. +
Published: May 2016

Die dem gegen Tumoren wirksamen Alkaloid Cryptopleurin (X) strukturell verwandte, im Titel genannte Verbindung (IX) wird auf dem im Formelschema angegebenen Weg synthetisiert.
ChemInform Abstract: Syntheses of 1‐Aryl‐2‐|4‐[4‐(3‐oxobutyl)phenyllpiperazin‐1‐yllethanones. {4‐[4‐(3‐oxobutyl)phenyl]piperazin‐1‐yl}ethanones.
Authors: GOMEZ‐PARRA V. , SANCHEZ F. , YAGUEE C. +
Published: May 2016

N‐Phenyl‐piperazin (Ia) wird als Carbobenzoxy‐Derivat (Ib) zu (II) formyliert und dann über das Aceton‐Kondensationsprodukt (III) reduktiv zu dem Piperazin (IV) abgebaut.
ChemInform Abstract: 1,3‐Thiazines. Part 32. Oxidations of Thiourethanes. Part 6. 3‐Amino‐ 5,6‐dihydro‐ 2H‐1,3‐thiazine‐2,4(3H)‐diones, Novel Cyclic Thiolcarbazates.
Authors: HANEFELD W. , GUENES Z. E. +
Published: May 2016

Aus den 1,3‐Thiazin‐2‐thionen (I) erhält man durch Einwirkung von Oxidationsmitteln die entsprechenden Oxoverbindungen (II), die auch aus den Carbazoylthiocarbonsäuren (III) unter verschiedenen Cyclisierungsbedingungen erhalten werden können.
ChemInform Abstract: Tautomeric Rearrangements and Intramolecular Diels‐Alder Reaction of Dicyanovinyl and (Cyanoimino)Alkyl Groups in the Tropolone Series.
Authors: HARTKE K. , RICHTER W. , MASSA W. , BAUM G.
Published: May 2016

Aus den Tropolonen(I) entstehen mit den 1‐Chlor‐2,2‐dicyano‐ethylenen (II) die Ether (III), analog reagiert das N‐Cyano‐imin (IV) zu den Iminoethern (V).
ChemInform Abstract: Stereochemistry of Seven‐Membered Heterocycles. Part 25. Synthesis and Structure of Some 4,4‐Dimethyl‐1,3‐dioxa‐5,6‐benzocycloheptenes.
Authors: KLIMOVITSKII E. N. , STREL'NIK D. YU. , SERGEEVA G. N. , ARBUZOV B. A.
Published: May 2016

Das Phthalid (I) wird zu dem Diol (II) reduziert und dieses mit den Aldehyden (III) zu den Dioxacycloheptenen (IV) kondensiert.
ChemInform Abstract: Synthesis and Properties of Some Organo‐spirotricyclosiloxanes.
Authors: ZHDANOV A. A. , KHYNKU E. S. , GOPBATSEVICH O. B. , DAVRUKHIN B. D.
Published: May 2016

Das Tetrachlor‐cyclotetrasiloxan (I) wird verseift und das erhaltene Hydroxy‐cyclotetrasiloxan (II)zu den Spirotricyclosiloxanen (IV) cyclisiert.
ChemInform Abstract: Diphenyl[mono(per)fluoroacyl‐ and aroyl(oxy)]phosphan(oxid)es ‐ New Synthetic Methods, New Compounds.
Authors: HENNIG H.‐W. , NEU P. , SARTORI P.
Published: May 2016

Diphenylchlorophosphane (I) reacts with sodiumpentafluorobenzoate to give the benzoyloxyphosphane (IIIa).
ChemInform Abstract: O,O‐ and O,S‐Dialkyl‐N‐(silatranylalkyl)amido(thio)phosphates.
Authors: VORONKOV M. G. , KUDYAKOV N. M. , ALBANOV A. I.
Published: May 2016

Die Trieth‐oxysilane (I) werden mit Triethanolamin (II) zu den substituierten Silatranen (III) umgeethert.
ChemInform Abstract: Stereochemistry of 1,2‐Oxaphospholanes. Part 7. Analogues of Branched‐chain Tetrafuranosides Having Phosphorus in the Anomeric Position.
Authors: WROBLEWSKI A. E.
Published: May 2016

Stereochemistry of 1,2‐Oxaphospholanes.
ChemInform Abstract: New Reagents. Part 38. Addition of (α‐Lithioalkyl)diphenylarsane Oxides to Benzaldehyde and Acetophenone with Extreme Diastereoselectivity.
Authors: KAUFFMANN T. , KIEPER G. , KLAS N.
Published: May 2016

In contrast to α‐lithiated alkyldiphenylarsine oxides (II) react extremely diastereoselectively with benzaldehyde or acetophenone to form the alcohols erythro‐(IIIa) and ‐(IV), whereasby reaction with aliphatic aldehydes a mixture of two diastereoisomeric alcohols(IIIb) and (IIIc) is obtained.
ChemInform Abstract: Migrations of the Phenylseleno Group Along the Perimeter of the Cyclopentadiene Ring.
Authors: MIKHAILOV I. E. , MINKIN V. I. , KLENKIN A. A. , OLEKHNOVICH L. P.
Published: May 2016

The lithium salt (I), on reaction with PhSeCl (II), affords the phenylselenoderivative (III) as the compound of interest along with further products.
ChemInform Abstract: Synthesis and Characterization of Eu(III) Complexes with Chiral Schiff Base Ligands Derived from Salicylaldehydes and Amino Alcohols.
Authors: CALIENNI J. J. , BRITTAIN H. G.
Published: May 2016

Optically active Schiff base ligands (I) have been formed by condensation of various salicylaldehydes with a series of chiral amino alcohols.
ChemInform Abstract: [U3(μ3‐Cl)2(μ2‐Cl)3(μ1,η2‐AlCl4)3(η6‐C6Me6)3][AlCl4]. A Trinuclear Arene Complex of U(III).
Authors: COTTON F. A. , SCHWOTZER W. , SIMPSON C. Q. II
Published: May 2016

The paramagnetic title Complex could be prepared from UCl4, AlCl3, hexamethylbenzene, and aluminum in refluxing toluene by a modified Friedel‐Crafts reaction (yield 55%).
ChemInform Abstract: Synthesis and Structure of the Cationic Tetrahydrofuran Iron Complex [C5Me5(CO)(Me3P)(THF)Fe]+.
Authors: GROETSCH G. + , BOESE R. , MALISCH W.
Published: May 2016

The reaction of the methyl derivative (I) with (Ph3C)PF6 in THF leads to the Complex salt (II), whose structure is determined by X‐ray analysis (space group P2′/c, Z=4).
ChemInform Abstract: Derivatives of 1,2‐Diborabenzene. Part 1. A 1,2‐Diboratabenzene: Lithium Salt and Transition Metal Complexes.
Authors: HERBERICH G. E. , HESSNER B. , HOSTALEK M.
Published: May 2016

The diborane(4) (I) reacts with the Mg derivative(II) to give the liquid diboracyclohexene derivative (III), which on metalation with lithium 2,2,6,6‐tetramethylpiperidide affords the lithium 1,2‐diboratabenzene (IV).
ChemInform Abstract: Preparation and X‐Ray Crystal Structure of (Ph3P)2PtS2N2 . C7H8 : a Reinvestigation of the Reaction of S4N4H4 with (Ph3P)4Pt.
Authors: CHIVERS T. , EDELMANN F. , BEHRENS U. , DREWS R.
Published: May 2016

The title reaction in toluene produces the title complex (I) whose structure is confirmed by X‐ray analysis (space group P1, Z=2).
ChemInform Abstract: Potential Bile Acid Metabolites. Part 10. Syntheses of Stereoisomeric 3,7‐Dihydroxy‐5α‐cholanic Acids.
Authors: IIDA T. , MOMOSE T. , NAMBARA T. , CHANG F. C.
Published: May 2016

Die vier stereoisomeren 3,7‐Dihydroxy‐5α‐cholansäuren (Ia)‐(Id) werden ausgehend von der 3‐Oxo‐7α‐hydroxy‐4‐cholensäure (II) nach den im Schema angegebenen Verfahren synthetisiert.
ChemInform Abstract: Regio‐ and Stereoselective Synthesis of Steroidal Amines.
Authors: KOGA T. , NOGAMI Y. , YAMANAKA S.
Published: May 2016

Die sukzessive Umsetzung der α,γ‐Dibrom‐α,β‐enone (I) mit den sekundären cyclischen Aminen (II) führt mit hoher Regio‐ und Stereoselektivität zunächst zu den (α′‐Amino‐α‐brom‐enonen (III) und dann zu den α,γ‐Diamino‐enonen (IV).
ChemInform Abstract: Peptide Synthesis by Prior Thiol Capture. Part 1. A Convenient Synthesis of 4‐Hydroxy‐6‐mercaptodibenzofuran and Novel Solid‐Phase Synthesis of Peptide‐Derived 4‐(Acyloxy)‐6‐mercaptodibenzofurans.
Authors: KEMP D. S. , GALAKATOS N. G.
Published: May 2016

Ausgehend von Dibenzofuran (Ia) wird das Hydroxy‐mercapto‐Derivat (Ie) hergestellt, das als Sulfenylcarbomethoxy‐Derivat (If) geschützt wird.
ChemInform Abstract: Artificial Receptor Recognizing Hydrophobic Carbonyl Compounds.
Authors: TABUSHI I. , NABESHIMA T. , YAMAMURA K. , TSUDA M.
Published: May 2016

Das prim.,prim.‐Bis‐((2‐aminoethyl)‐sulfenyl)‐β‐cyclodextrin (Ia) wird auf einem Acryl‐nitril‐Methacrylat‐Polymer als (Ib) immobilisiert.
ChemInform Abstract: Flavonoids Syntheses. Part 4. Syntheses of 2′,3,4′,5,5′,6,7,8‐Octaoxygenated Flavones.
Authors: IINUMA M. , TANAKA T. , MIZUNO M. , MABRY T. J.
Published: May 2016

Beschrieben wird die Synthese der Verbindungen (I) und (II).
ChemInform Abstract: Synthesis of 12(S),20‐, 12(S),19(R)‐, and 12(S),19(S)‐Dihydroxyeicosa‐cis‐5,8,14‐trans‐10‐tetraenoic Acids, Metabolites of 12(S)‐HETE.
Authors: MANNA S. , VIALA J. , YADAGIRI P. , FALCK J. R.
Published: May 2016

Ausgehend von dem D‐Glucofuranose‐Derivat (I) erhält man über die Verbindungen (II)‐(IV) den Aldehyd (V).
ChemInform Abstract: Phosphines and Phosphonium Salts
Authors: ALLEN D. W.
Published: May 2016

Review: (425 refs.
ChemInform Abstract: Organophosphorus Chemistry. Ylides and Related Compounds
Authors: WALKER B. J.
Published: May 2016

Review: (139 refs.
ChemInform Abstract: Electrocatalysis of CO2 Reduction at Surface Modified Metallic and Semiconducting Electrodes.
Authors: CABRERA C. R. , ABRUNA H. D.
Published: May 2016

Electrodes have been modified by coating with electropolymerized films of [Re(CO)3(4‐vinyl,4′‐Mea2,2′‐bipyridine)Cl].
ChemInform Abstract: Dissolution Kinetics of MgO in Aqueous, Acidic Media.
Authors: BUGAJSKI J. , GAMSJAEGER H. +
Published: May 2016

The dissolution kinetics of MgO single crystals (orientation: {100}, {101}, and {111}) in N2‐saturated HClO4/NaClO4 solutions of constant ionic strenghth (I=1.0 mol kg‐1) are studied using the rotating‐disc method.
ChemInform Abstract: Different Strong Metal ‐ Support Interaction (SMSI) Effects on Rh/ TiO2 and Pt/ TiO2 Catalysts
Authors: RESASCO D. E. , FENOGLIO R. J. , SUAREZ M. P. , CECHINI J. O.
Published: May 2016

have been found after reduction at 770 K. The Variation of the benzene hydrogenation reaction with temp. as well as the TPD of benzene suggests that the SMSI causes an increase in the heat of adsorption of benzene for Pt/TiO2 catalysts, whereas no change in heat of adsorption is evident for Rh/TiOg catalysts.
ChemInform Abstract: Catalytic Reactions on Metal‐supported semiconductors. Oxidation of CO over ZnO Films on Silver.
Authors: WEISS E. , FOLMAN M.
Published: May 2016

The kinetics of the Catalytic CO oxidation over Ag‐supported ZnO films (contaminant‐frequniform in thickness and composition, as shown by AES and SEM) have been studied in a gas‐flow system.
ChemInform Abstract: Application of Infrared Spectroscopy to the Measurement of Surface and Bulk Oxidation/Reduction States of MoO3.
Authors: CHUNG J. S. , BENNETT C. O.
Published: May 2016

It is demonstrated that the background transmission at lower wavenumber is mainly sensitive to the surface oxidation/reduction state of MoO3 and at higher wavenumbers to the subsurface layers.
ChemInform Abstract: Correlation Between Hydrodesulphurization (HDS) Activity and Reducibility of Unsupported MoS2‐Based Catalysts Promoted by Group VIII Metals.
Authors: GOEBOELOES S. + , WU Q. , ANDRE O. , DELANNAY F. , DELMON B.
Published: May 2016

The HDS activity of the Co, Ni, or Fe promoted catalysts prepared by homogeneous sulphide precipitation (HSP), inverse HSP, or by coprecipitation, increases in the sequence M0 FeMo CoMo NiMo.
ChemInform Abstract: Multielectron‐Photoinduced Reduction of Chloroplatinum Complexes: Visible Light Deposition of Platinum Metal.
Authors: CAMERON R. E. , BOCARSLY A. B.
Published: May 2016

The four‐electron reduction of a PtClä′ complex in aqueous alcoholic solution using low‐energy visible photons (488 nm) yields either a colloid or a Pt‐mirror depending on the reaction conditiqns.
ChemInform Abstract: Visible Transients in Gas Phase UV Photolysis of Transition Metal Compounds: Experimental and Theoretical Results for Ni(CO)4.
Authors: ROESCH N. + , KOTZIAN M. , JOERG H. + , SCHROEDER H. + , RAGER B. , METEV S.
Published: May 2016

After photolysis of Ni(CO)4 with a XeCl laser (308 nm) a luminescence spectrum is obtained.
ChemInform Abstract: Fulvenes, Fulvalenes. Part 49. 1H‐ and 13C‐NMR Investigation of Pentafulvenes.
Authors: BOENZLI P. + , OTTER A. , NEUENSCHWANDER M. , HUBER H. , KELLERHALS H. P.
Published: May 2016

The spectra of the title compounds (I) and (II) have been analyzed.
ChemInform Abstract: Solid‐State Structural Chemistry of Lariat Ether and BiBLE Cation Complexes: Metal Ion Identity and Coordination Number Determine Cavity Size.
Authors: GANDOUR R. D. , FRONCZEK F. R. , GATTO V. J. , MINGANTI C. , SCHULTZ R. A. , WHITE B. D. , ARNOLD K. A. , MAZZOCCHI D. , MILLER S. R. , GOKEL G. W.
Published: May 2016

X‐ray crystal structure data are determined for the K+ complexes (IV) and (V) along with the related complexes (VI) to (VIII) reported in preliminary form.
ChemInform Abstract: First Structural Characterization of a Boron‐Centered Radical: X‐Ray Crystal Structure of [Li(12‐crown‐4)2]+[BMes3]±
Authors: OLMSTEAD M. M. , POWER P. P.
Published: May 2016

The reaction of BMes3 (I) (Mes: 2,4,6‐Me3C6H2) in THF with lithium powder under rigorously anaerobic and anhydrous conditions yields after addition of 12‐crown‐4 the title compound in 55% yield.
ChemInform Abstract: Structure and Conformation of Heterocycles. Part 3. Reaction of gem‐Dibromoketones with 2‐Methylaminoethanol.
Authors: L'HARIDON P. , LE ROUZIC A.
Published: May 2016

The gem‐dibromoketones (I) react with the alcohol (II) at room temp; to yield bis‐heterocycles of type (III).
ChemInform Abstract: Electrochemical Reductive Activation of Mitomycin C.
Authors: ANDREWS P. A. , PAN S. , BACHUR N. R.
Published: May 2016

Cyclic voltammetric studies of the title compound exhibit two quasi‐reversible electron‐transfer processes.
ChemInform Abstract: Electrophilic Rearrangement of Trichloroallylic Alcohol.
Authors: GERMAN L. S. , DELYAGINA N. I.
Published: May 2016

Unter dem Einfluß von Schwefelsäure lagert sich der Trichlorallylalkohol (I) zu dem Chloracrylsäurechlorid (II) um.
ChemInform Abstract: New Baeyer‐Villiger‐Like Rearrangement Products from Sensitized Photooxidation of Acetylfuran, Methyl‐ and Ethylfuroate.
Authors: KUO Y.‐H.
Published: May 2016

Sensitized photooxidation of the furans (I) in acetone (II) yields the new Baeyer‐Villiger‐like rearrangement products (III) and the ether (IVa).
ChemInform Abstract: Photoreaction of 1,4‐Naphthoquinone with Chrysene.
Authors: BUNTE R. , GUNDERMANN K. D. , LEITICH J. , POLANSKY O. E. , ZANDER M.
Published: May 2016

Chrysen (I) reagiert mit 1,4‐Naphthochinon (II) unter Bestrahlung in geringer Ausbeute zu einem Gemisch des dehydrierten Diels‐Alder‐Addukts (IV) und des Chrysen‐substituierten Naphthochinons (III).
ChemInform Abstract: Unusual Selectivities of Radical Reactions by Internal Suppression of Fast Modes.
Authors: FISCHER H.
Published: May 2016

The selective cross‐termination of the dimethylaminyl and NO radicals determines the high photostability of (I) under inert conditions.
ChemInform Abstract: Pyrolytic, Kinetic, and Theoretical Studies on the Isomerization of Me2HSiCH2 to Me3Si*.
Authors: BARTON T. J. , REVIS A. , DAVIDSON I. M. T. , IJADI‐MAGHSOODI S. , HUGHES K. J. , GORDON M. S.
Published: May 2016

Vacuum flash pyrolysis of the butenylsilane (I) leads to only the two major products (II) and (III) in the product mixture.
ChemInform Abstract: Reductive Deoxygenation of Alcohols via Esters with Triphenylsilane Under Neutral Conditions.
Authors: SANO H. , OGATA M. , MIGITA T.
Published: May 2016

Verschiedene Alkohole werden über ihre Essigsäureester (I) unter den angegebenen Bedingungen zu den entsprechenden Kohlenwasserstoffen (II) reduziert.
ChemInform Abstract: Asymmetric Hydrogenation of N‐(α‐Ketoacyl)‐α‐amino Esters.
Authors: TANI K. , TANIGAWA E. , TATSUNO Y. , OTSUKA S.
Published: May 2016

Asymmetrische Hydrierung der (S)‐konfigurierten Ketoamide (I) in Gegenwart optisch aktiver Diphosphin‐Rhodium‐Komplexe, wie (II), liefert optisch aktie N‐(oL‐Hyroxyacyl)‐ α‐aminosäureester (IV) in hohen optischen Ausbeuten.
ChemInform Abstract: Reinvestigation of Thesing′s Synthesis of 2‐Pyridones Using 1‐(Methylthio‐thiocarbonylmethyl)pyridinium Iodide.
Authors: ALVAREZ‐BUILLA J. , LOPEZ BENITO J. , QUINTANILLA G.
Published: May 2016

Several attempts are made to prepare 4,6‐diaryl‐ 2‐pyridothiones Starting from the title compound (I) using Thesing′s procedure for the synthesis of pyridones.
ChemInform Abstract: N‐Acyl‐α‐imino Acid Derivatives. Part 3. Synthesis of N‐Acyl‐α‐oxoaldimines.
Authors: MALASSA I. , MATTHIES D.
Published: May 2016

Condensation of the carboxamides (I) with the α‐oxoaldehydes (II) leads to the hemiamidals (III).
ChemInform Abstract: Bis(cyclobutenylium)chalcogenides and ‐dichalcogenides.
Authors: SEITZ G. , KOEHLER K. +
Published: May 2016

Die Reaktion des Chlor‐vinamidiniumchlorids (I) mit Thio‐ bzw. Selenodiaminoquadrain (II) führt zu dem Bis‐(cyclobutenylium)‐sulfid‐ bzw. ‐selenid‐Salz (III), währenddie oxidative Dimerisierung von (II) die Disulfid‐ bzw. Diselenid‐Salze (IV) liefert.
ChemInform Abstract: Regioselective Functionalisation of N,N‐Diethyl‐1,6‐methano[10]annulene‐2‐carboxamides.
Authors: NEIDLEIN R. , WIRTH W.
Published: May 2016

Lithiation of the methanoannulene carboxamide with BuLi[‐ (II)] followed by quenching with the different electrophiles (III), (IV), (VII), (X), (XII), (XIX) or 12 yields the 10‐substituted derivatives (V), (VI), (VIII), (IX), (XIII), (XX) or (XI), respectively.
ChemInform Abstract: Asymmetric Allylation of Prochiral Aldehydes with a New Enantioselective Allylating Agent Prepared from Stannous Triflate, a Chiral Diamine, and Allyldialkylaluminum.
Authors: MUKAIYAMA T. , MINOWA N. , ORIYAMA T. , NARASAKA K.
Published: May 2016

Die prochiralen Aldehyde (I) werden unter den angegebenen Bedingungen enantioselektiv in die entsprechenden sekundären Homoallylalkohole (II) übergeführt.
ChemInform Abstract: A Novel and Useful Synthetic Way to Chiral α‐Sulfinyl Cyclic Ketones by the Acid‐ Catalyzed Reaction of Enol Silyl Ethers of Cyclic Ketones with Chiral Sulfinates.
Authors: HIROI K. , MATSUYAMA N.
Published: May 2016

Die Silylenolether (I) cyclischer Ketone reagieren mit dem chiralen Sulfinsäureester (II) stereospezifisch unter Inversion der Konfiguration am Schwefel zu den entsprechenden α‐Sul?nylketonen (III).
ChemInform Abstract: Addition of Phthalimidonitrene to Acetylenic Fatty Acid Esters: Synthesis of Long‐ Chain 2‐Phthalimido‐2H‐azirines.
Authors: ANSARI M. H. , AHMAD F. , AHMAD M.
Published: May 2016

Die im Titel genannten Verbindungen (III) bzw. (IV) werden auf dem skizzierten Weg hergestellt.
ChemInform Abstract: Chemistry on Metallic Tin Promoted C‐C Bond Formation. Part 5.
Authors: NOKAMI J. , TAMAOKA T. , OGAWA H. , WAKABAYASHI S.
Published: May 2016

Die 2‐Ethoxycarbonyl‐allylbromide (I) setzen sich mit den Aldehyden (II) in Gegenwart von metallischem Zinn oder Aluminium im Zweiphasensystem Wasser/Ether zu den Z‐Methylenbutyrolactonen (III) um.
ChemInform Abstract: On the Ambident Reactivity of 2‐Butyl‐6‐chloro‐1,3‐dimethyl‐cyclohepta‐[c]pyrroliumchloride.
Authors: SEITZ G. , THE H. S.
Published: May 2016

Das ambidente Reaktionsverhalten des Azaazulen‐Derivates (I) führt bei der Umsetzung mit den Malonsäurederivaten (II) zu den Produkten (III) und/oder den Heptafulvenen (IV).
ChemInform Abstract: N‐Pyrazolyl‐2‐nitrobenzamides with Antifungal Activity.
Authors: DAIDONE G. , PLESCIA S. , RAFFA D. , SPRIO V. , MILICI M.
Published: May 2016

Die Aminopyrazole (I) werden mit o‐Nitrobenzoylchlorid?I) zu den N‐Benzoylderivaten (III) umgesetzt, die weiter in die 4‐Nitrosoderivate (IV) übergeführt werden.
ChemInform Abstract: Hexacarbonylmolybdenum‐Induced Reaction of 2‐Isoxazolines. Formation of Pyridine Derivatives.
Authors: KOBAYASHI T. , IINO Y. , NITTA M.
Published: May 2016

Die Umsetzung der Diaryloxazoline (I) mit Mo(CO)6 liefert Gemische aus den .Triarylpyridinen (II) mit den Diarylpropanonen (III) und ‐propenonen (IV) sowie den Diazabicyclen (V), den Diarylpyrrolen (VI), den Acetopheno‐ nen (VII) und Benzaldehyd (VIII).
ChemInform Abstract: 2‐Aza‐1,3‐dienes. Part 4. Synthesis and Properties of 1‐Alkylpyrazone‐imines and Their Tautomers.
Authors: LANG M. , LACROIX A. , PONT C. , FLEURY J.‐P.
Published: May 2016

Reaction of the azadienes (I) with methylamine.(II) yields the imino system (III) whereas the tautomeric amino systems (VI) are obtained from the respective azadienes (IV) and prim. amines (V).
ChemInform Abstract: The Reaction of 2‐Methylthio‐4,6‐diphenyl‐1,3‐thiazin‐1‐ium Perchlorate with Nucleophiles.
Authors: SHIBUYA I.
Published: May 2016

Phenylbenzoylacetylen (I) cyclisiert mit den Thioamiden (II) in Gegenwart von starken Säuren (III) zu den Diphenylthiaziniumsalzen (IV).
ChemInform Abstract: Didecalino‐14‐crown‐4. Highly Lithium Ion Selective Extractant.
Authors: KOBIRO K. , MATSUOKA T. , TAKADA S. , KAKIUCHI K. , TOBE Y. , ODAIRA Y.
Published: May 2016

Die im Titel genannte Verbindung (III) wird aus dem Diol (I) und 1,3‐Dichlorpropan (II) in Gegenwart von Lithiumperchlorat hergestellt.
ChemInform Abstract: Hydroboration of Unsaturated Amines. Part 11. Regio‐ and Stereoselectivity of the Hydroboration of N‐Alkyl‐N‐propargylphosphoric Amides.
Authors: BENMAAROUF‐KHALLAAYOUN Z. , BABOULENE M. , SPEZIALE V. , LATTES A.
Published: May 2016

Die Reaktion der nach zwei literaturbekannten Methoden hergestellten Phosphorsäureamide (I) mit den Boranen (II) führt zu den ß,y‐Addukten (III) mit praktisch vollständiger Z‐ 140 Konfiguration.
ChemInform Abstract: Phosphorylated Adamantanes. Part 6. The Reaction of 1‐Adamantylethylphosphites with Phosphorus Trichloride.
Authors: YURCHENKO R. I. , KLEPA T. I.
Published: May 2016

An der Gleichgewichtsreaktion des Diadamantylethylphosphits (I) mit Phosphortrichlorid beteiligen sich sowohl die Adamantano‐xyals auch die Alkoxy‐Gruppe als Nucleophil.
ChemInform Abstract: Reaction of 2‐Ethyl‐2‐oxo‐1,3‐dibutyl‐4,5‐dimethyl‐1,3,2‐diazaphospholene with Trichlorosilane.
Authors: KIBARDIN A. M. , MIKHAILOV YU. B. , GRYAZNOVA T. V. , PUDOVIK A. N.
Published: May 2016

Das Oxophospholen (I) wird mit Trichlorsilan (II) zu dem Phospholen (III) reduziert.
ChemInform Abstract: Formation of Diiron μ‐Alkenyl Complexes from the Reaction of a μ‐Methylidyne Complex with Selected Alkenes.
Authors: CASEY C. P. , MESZAROS M. W. , FAGAN P. J. , BLY R. K. , COLBORN R. E.
Published: May 2016

The stereochemistry of hydrocarbation was studied in the reactions of the methylidyne Complex (I) with substituted alkenes.
ChemInform Abstract: Schmidt Reaction of 3‐Oxocholest‐5‐en‐4α‐yl Acetate and 6β‐Chloro‐5‐hydroxy‐ 5α‐cholestan‐3‐one.
Authors: MUSHFIQ M. , IQBAL N.
Published: May 2016

Schmidt reactions of the title compounds (I) and (VII) have been carried out using varying concentrations of hydrazoic acid.
ChemInform Abstract: Enantioselective Synthesis of Cyclopentanoids. Part 2. Asymmetric Synthesis of a Novel Homochiral Prostaglandin Building Unit via Bridgehead Enolates with Bicyclo[3.3.0]octane Skeleton.
Authors: GAIS H.‐J. , LINDNER H. J. , LIED T. , LUKAS K. L. , BALL W. A. , ROSENSTOCK B. , SLIWA H.
Published: May 2016

Using two different procedures, the enantiomerically pure Starting material (I) is reduced to the mixture (II)/ (III), whose components are isolated via recrystallization.