bluuebunny/crossref_metadata_2025_split huggingface dataset:
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

AbstractDie 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: 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

AbstractOxime 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

AbstractDie 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

AbstractAus 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

AbstractBoc‐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

AbstractAus 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

AbstractThe 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

AbstractThe 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

AbstractThe 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

AbstractAnalytical 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

AbstractThe 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

AbstractAddition 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

AbstractUnder 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

AbstractThermal 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

AbstractTwo 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

AbstractThe 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: How Does the Electrochemical Behaviour of Stainless Steel Reflect that of Its Constituent Elements?
Authors: HARRISON J. A. , WILLIAMS D. E. 
Published: May 2016

AbstractHigh 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

AbstractThe 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

AbstractDoping 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

AbstractTransparent 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

AbstractHückel 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

AbstractBased 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

AbstractButadien (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

AbstractDie 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

AbstractDie 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

AbstractWährend 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

AbstractMit 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: 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

AbstractWhereas [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

AbstractAus 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

AbstractAddition 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

AbstractDie 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

AbstractDie 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

AbstractAus den Aldehyden (1) und Methyl‐isopropyl‐keton (II) erhält man über die ungesättigten Ketone (III) die Cyclohexenone (IV).
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

AbstractAus 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

AbstractAus 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

AbstractFrom 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: Preparation of α‐Fluoroaldehydes and α‐Fluoroketones Using Dilute Fluorine.
Authors: PURRINGTON S. T. , LAZARIDIS N. V. , BUMGARDNER C. L. 
Published: May 2016

AbstractAus 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

AbstractDie 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

AbstractThe 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

AbstractAusgehend 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

AbstractDas 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

AbstractDurch 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

AbstractDie 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

AbstractDie 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

AbstractPyrrole (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

AbstractAus 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

AbstractDie 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: 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

AbstractReactions 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

AbstractThiosemicarbazones, 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

AbstractThe 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

AbstractKondensation 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

AbstractDas 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

AbstractThe 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

AbstractThe 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

AbstractDie 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

AbstractN‐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

AbstractAus 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

AbstractAus 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

AbstractDas 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

AbstractDas 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

AbstractDiphenylchlorophosphane (I) reacts with sodiumpentafluorobenzoate to give the benzoyloxyphosphane (IIIa).