bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Model Studies on the Synthesis of Medium‐sized and Large Carbocyles Using the Ireland Enolate Claisen Rearrangement.
Authors: CAMERON A. G. , KNIGHT D. W.
Published: May 2016

Die ausgehend von den Estern (I) erhältlichen Verbindungen (IIIa) bzw. (VIa) werden in die Chloride (IIIc) bzw. (VIc) übergeführt, aus denen die ungesättigten Makrolide (VII) bzw. (IX) erhältlich sind.
ChemInform Abstract: Oxidation of Phenol by Aqueous Hydrogen Peroxide Catalysed by Ferric Ion.
Authors: HOCKING M. B. , INTIHAR D. J.
Published: May 2016

Die Übergangsmetall‐katalysierte Oxidation von Phenol (I) mit Wasserstoffperoxid (II) ergibt ein Gemisch aus Brenzcatechin (III) und Hydrochinon (IV).
ChemInform Abstract: Wharton Synthesis of Carenols.
Authors: ISAEVA Z. G. , KARASEVA A. N. , IKHTONOVA I. S.
Published: May 2016

Die Behandlung der 3,4‐Epoxycaranone (I) mit Hydrazinhydrat ergibt regio‐ und stereospezifisch die Carenole (II).
ChemInform Abstract: Approaches to the Total Synthesis of the Montanine (Amaryllidaceae) Alkaloids.
Authors: SANCHEZ I. H. , LARRAZA M. I. , ROJAS I. , BRENA F. K. , FLORES H. J. , JANKOWSKI K.
Published: May 2016

Verschiedene isomere 3‐Aryloctahydroindole (VII) werden als potentielle Synthone für die Totalsynthese von Amaryllidaceaen‐Alkaloiden vom Typ des Montanins (I) auf den im Schema angegebenen Synthesewegen hergestellt.
ChemInform Abstract: Synthesis of Formylcarbazole Derivatives and Acetylcarbazole.
Authors: PATEL B. P. J.
Published: May 2016

Die 1‐Hydroxycarbazole (I) werden zu den Derivaten (II) bzw. (III) formyliert.
ChemInform Abstract: Synthesis and Properties of 3‐Nitrosocarbazole.
Authors: KYZIOL J. B.
Published: May 2016

9‐Nitroso‐carbazol (I) lagert nach Fischer‐Hepp zur 3‐Nitrosoverbindung (II) um, die zur Nitroverbindung (III) oxidiert wird.
ChemInform Abstract: Selective Sequential Demasking of the Ester Functions of 1‐Methyl‐ 3,4,5‐tris(methoxycarbonyl)pyrazole.
Authors: CHAMBERS D. , DENNY W. A. , BUCKLETON J. S. , CLARK G. R.
Published: May 2016

Aus dem Trimethylpyrazol (Ia) ist die Tricarbonsäure (Ib) zugänglich, die nach N‐Methylierung in den Triester (II) übergeführt wird.
ChemInform Abstract: Nitriles in Heterocyclic Synthesis: New Routes for Synthesis of Pyran, Pyridine and Pyrrole Derivatives.
Authors: NAWWAR G. A. M. , OSMAN S. A. , EL‐BAYOUKI K. A. M. , ELGEMEIE G. E. H. , ELNAGDI M. H.
Published: May 2016

Das β‐Ketonitril (I) reagiert mit Trichloracetonitril (II) zum Pyridin (III).
ChemInform Abstract: Proton‐Ionizable Crown Compounds. Part 2. Synthesis, Complexation Properties and Structural Studies of Macrocyclic Polyether‐Diester Ligands Containing a 4‐Hydroxypyridine Subcyclic Unit.
Authors: BRADSHAW J. S. , COLTER M. L. , NAKATSUJI Y. , SPENCER N. O. , BROWN M. F. , IZATT R. M. , ARENA G. , TSE P.‐K. , WILSON B. E. , LAMB J. D. , DALLEY N. K. , MORIN F. G. , GRANT D. M.
Published: May 2016

Aus der Pyridon‐dicarbonsäure (I) erhält man nach bekannten Methoden die Diester (II), die mit den Polyethylenoxiden (III) zu den makrocyclischen basischen Kronenethern (IV) kondensiert werden können.
ChemInform Abstract: Nitrogen Bridgehead Compounds. Part 51. Autoxidation of 9‐Aminotetrahydro‐4H‐ pyrido[1,2‐a]pyrimidin‐4‐ones. Synthesis and Stereochemistry of 9‐Amino‐ and 9‐Hydroxy‐6,7‐dihydro‐4H‐pyrido[1,2‐a]pyrimidin‐4‐ones.
Authors: BREINING T. , HERMECZ I. , PODANYI B. , SESSI J.
Published: May 2016

Bei der Autoxidation der Bicyclen (I) werden die Tetrahydro‐pyridopyrimidinone (II) erhalten.
ChemInform Abstract: Saturated Heterocycles. Part 93. Facile Dehydrogenation and an Unexpected Catalytic Hydrogen Transfer Reaction of 1,2,5,6,7,S‐Hexahydroquinazolin‐4(3H)‐ones.
Authors: FUELOEP F. + , BERNATH G.
Published: May 2016

Durch Einwirkung von Palladium/ Kohle auf die Hexahydrochinazolinone (III) bzw. (VI) in Ethanol bzw. Toluol erfolgt Dehydrierung zu den Tetrahydro‐Derivaten (IV) bzw. (VII).
ChemInform Abstract: New Agents for Alkoxycarbonylation of Amines.
Authors: OHTA A. , INAGAWA Y. , INOUE M. , SHIMAZAKI M. , MAMIYA Y.
Published: May 2016

Die Pyrazinole und ‐thiole (I) werden mit Diphosgen (II) zu den Chlor‐(thio)kohlensäureestem (III) kondensiert und mit tert.‐Butanol zu (IV) verestert.
ChemInform Abstract: Some Heterocyclic Sulfonyl Derivatives.
Authors: CREMLYN R. J. , SWINBOURNE F. J. , SHODE O.
Published: May 2016

Aus den Diphenyl‐Heterocyclen (Ia)‐(IIIa) werden jeweils die Bis‐sulfochloride und aus diesen nach bekannten Verfahren die Derivate (Ic) bis (Ig), (Ilc), (IId) und (IIIc)‐(IIIh) hergestellt.
ChemInform Abstract: Di‐ and Trifluoro Substituted Dilithio Compounds for Organic Synthesis.
Authors: SEEBACH D. , BECK A. K. , RENAUD P.
Published: May 2016

The β‐fluorinated nitro‐alkanes (I) are not able, on account of their great tendency toward β‐elimination, to add (base catalyzed) carbonyl Compounds: the reaction of the Compounds (I) with trimethylsilyl N,N‐dimethylcarbamate gives the fluorinefree enamines (II).
ChemInform Abstract: C ‐ H Activation Mechanisms and Regioselectivity in the Cyclometalation Reactions of Bis(pentamethylcyclopentadienyl)thorium Dialkyl Complexes.
Authors: BRUNO J. W. , SMITH G. M. , MARKS T. J. , FAIR C. K. , SCHULTZ A. J. , WILLIAMS J. M.
Published: May 2016

Die nach Literaturmethoden dargestellten Verbindungen (I) und die neuen Komplexe (IV) unterliegen thermischer Cyclometallierung zu (II).
ChemInform Abstract: Photoelectron‐transfer Reactions of Flavin Analogues with Tetra‐alkyltin Compounds.
Authors: FUKUZUMI S. , KURODA S. , TANAKA T.
Published: May 2016

The fluorescence quenching of the flavin analogues (I) and (II) with the tetraalkyltin compounds (III) in the absence and presence of Mg" ion in acetonitrile is investigated.
ChemInform Abstract: Homogeneous Catalysis on Metal Clusters. The Isomerization and Selective Hydrogenation of Dienes, Alkenes, and Alkynes in the Presence of [(η‐C5H5)NiOs3(μ‐H)3(CO)9] and [(η‐C5H5)NiOs3(μ‐H)3(CO)8L] (L: PPh2H or P(C6H4Me‐o)3).
Authors: CASTIGLIONI M. , GIORDANO R. , SAPPA E. , TIRIPICCHIO A. , TIRIPICCHIO CAMELLINI M.
Published: May 2016

The catalytic activity of the title complexes (Ia), (Ib) in the homogeneous hydrogenation of triple and double C ‐ Cbonds are studied using cis‐ and trans‐penta‐1,3‐diene, penta‐1,4‐diene, pentl‐ene, pent‐1‐yne, 3‐methylbut‐3‐en‐1‐yne, cis‐hexa‐lA‐diene, cis‐ and trans‐hexa‐ 2,4‐diene, hexa‐LS‐diene, hex‐1‐ene, trans‐hex‐3‐ene, and hex‐3‐yne.
ChemInform Abstract: Chemistry of Di‐ and Tri‐metal Complexes with Bridging Carbene or Carbyne Ligands.
Authors: GREEN M. , HOWARD J. A. K. , JAMES A. P. , NUNN C. M. , STONE F. G. A.
Published: May 2016

It is shown that Cluster Complexes containing (pyrazol‐1‐yl)borato ligands and bridging alkylidyne groups can be readily prepared.
ChemInform Abstract: Peptide Synthesis. Part 8. A System for Solid‐phase Synthesis Under Low Pressure Continuous Flow Conditions.
Authors: DRYLAND A. , SHEPPARD R. C.
Published: May 2016

Details are given of a novel technique for solid‐phase peptide synthesis under Continuous flow Conditions.
ChemInform Abstract: Synthesis of β‐Amino Acid Peptides. Part 4. Cyclo‐peptides of β‐Amino Acids.
Authors: LOWBRIDGE J. , MTETWA E. , RIDGE R. J. , DREY C. N. C.
Published: May 2016

The cyclopeptides (II), (IV), (VIa), and (VIb) have been prepared by cy‐clization of the linear tripeptides (I), (III), (V) using the procedures shown in the scheme.
ChemInform Abstract: Chemoenzymatic Syntheses of Fructose‐Modified Sucroses via Multienzyme Systems.
Authors: CARD P. J. , HITZ W. D. , RIPP K. G.
Published: May 2016

Hydrolyse des Azids (II) mit einem sauren Ionenaustauscher und enzymatische Kupplungsreaktion der gebildeten Fructufuranose (Ia) mit dem Glucosederivat (III) [= UDP‐Glucose] liefern die Azidodesoxysucrose (Ia).
ChemInform Abstract: A Direct Conversion of Phenanthrenes to Aporphinoids.
Authors: SEIJAS J. A. , RODRIGUEZ DE LERA A. , VILLAVERDE C. , CASTEDO L.
Published: May 2016

Die durch Acylierung von Glaucin (Ia) bzw. Roemerin (Ib) mit Chlorameisensäureethylester (II) oder Trifluoracetanhydrid (III) zugänglichen Secoglaucin‐ (IVa) und (IVd) bzw. Seco‐ 136 roemerin‐Derivate (IVb) liefern bei der Oxidation mit Iodsäure die Dione (V), die beim Erhitzen mit Soda in wäßrigem Methanol zu O‐Methylatheroin (VIa) bzw. Liriodenin (VIb) cyclisieren.
ChemInform Abstract: Diacetone Glucose Derived Dienes in Diels‐Alder Reactions. Products and Transformations.
Authors: SUN K.‐M. , GIULIANO R. M. , FRASER‐REID B. , ANDERSON R. C.
Published: May 2016

Aus Diaceton‐glucose (I) ist das Dien (II) zugänglich, das mit Maleinsäureanhydrid (III) zum Addukt (IV) führt.
ChemInform Abstract: Synthesis of Mono‐ and Sesquiterpenoids. Part 7. Synthesis of Both the Enantiomers of Polygodial, an Insect Antifeedant Sesquiterpene.
Authors: MORI K. , WATANABE H.
Published: May 2016

The (S)‐ketol (I) is transformed into the bicyclic esters (VII) and (VIII).
ChemInform Abstract: NMR Study of 13C in Two Zirconium Iodide Cluster Carbides, CsZr6I14C and Zr6I12C.
Authors: FRY C. G. , SMITH J. D. , GERSTEIN B. C. , CORBETT J. D.
Published: May 2016

For CsZr6I"C, only one "Cshielding tensor has been found, as expected.
ChemInform Abstract: Electrodeposition of Titanium and Its Dioxide from Ilmenite.
Authors: MADKOUR L. H. , FOUDA A. S.
Published: May 2016

The electrolytic extraction of Ti or TiO2 from ilmenite ore is studied in different electrolyte solutions (pH 3.8‐. l0).
ChemInform Abstract: Surface Recombination at Semiconductor Electrodes. Part 4. Steady‐State and Intensity Modulated Photocurrents at n‐GaAs Electrodes.
Authors: LI J. , PETER L. M.
Published: May 2016

Intensity modulated photocurrents have been analysed in order to investigate the kinetics of surface recombination processes, and the theoretical response expected for different types of surface potential distribution are derived and compared with experimental results.
ChemInform Abstract: On Rubidium Ozonide. Synthesis and Crystal Structure.
Authors: SCHNICK W. , JANSEN M.
Published: May 2016

RbO3 is synthesized by an improved procedure via repeated ozonization of RbOz (this by oxidation of Ru metal with molecular oxygen) at 20°C and extraction with liquid NH3 (the equipment is described).
ChemInform Abstract: Formation of HfSiO4 Single Crystals by Chemical Transport Reactions.
Authors: FUHRMANN J. , PICKARDT J.
Published: May 2016

The formation of HfSiO4 single crystals is observed during Chemical transport reactions in evacuated quartz ampoules in order to prepare the spinel CuCrHfSe4 with TeCl4 as the transportation agent.
ChemInform Abstract: Peroxopolytungstic Acids Synthesized by Direct Reaction of Tungsten or Tungsten Carbide with Hydrogen Peroxide.
Authors: KUDO T. , OKAMOTO H. , MATSUMOTO K. , SASAKI Y.
Published: May 2016

Heteropolytungstic acid with carbon as a heteroatom (CW‐HPA) and a similar polytungstic acid without carbon (W‐IPA) have been prepared by reaction of WC or Wpowder with a H2O2 (15%) solution.
ChemInform Abstract: A New, Easily Accessible Reciprocal Chiral Stationary Phase for the Chromatographic Separation of Enantiomers.
Authors: PIRKLE W. H. , POCHAPSKY T. C.
Published: May 2016

Die chirale stationäre Phase (IV) wird wie beschrieben synthetisiert und zur Trennung von Enantiomerengemischen eingesetzt.
ChemInform Abstract: Study of the Addition of Secondary Amines to 2‐(2‐Propinylsulfonyl)benzoic Acid.
Authors: EZHOVA L. A. , MIKHAILOVA V. N.
Published: May 2016

Die im Titel genannte Verbindung (IV), erhältlich durch Alkylieren von Mercaptosalicylsäure (I) mit Propargylbromid (II) und anschließende Oxidation, reagiert mit Morpholin oder Piperidin (V) zu den Addukten (VI).
ChemInform Abstract: 1,3‐Dipolar Cycloadditions of 1,1‐Difluoroallene, Nitrones, Nitrile Oxides and Carbonyl Ylides.
Authors: DOLBIER W. R. JUN. , BURKHOLDER C. R.
Published: May 2016

Cycloadditions of the compounds (I), (VI) and (IX) with the difluoroallenes (II) or (IV) yield the heterocycles shown in the scheme.
ChemInform Abstract: Non‐Stabilized Azomethine Ylides: Synthesis of Heterocycles.
Authors: LESNIAK S. , BELLOIR P.‐F. , LAURENT A. , MISON P. , BARTNIK R.
Published: May 2016

The ylides (III), generated from the adducts (II) by action of CsF, react with the dipolarophile (IV) to provide the indolizines (V) and (VI).
ChemInform Abstract: The Thermal Rearrangement of 1,2,7‐Trienes.
Authors: HUNTSMAN W. D. , LI Y. , GIANNAMORE V. P.
Published: May 2016

The thermal rearrangement of the trienes (IIIa) and (IIIb) obtained from compounds (I) and (II) has been studied.
ChemInform Abstract: Microheterogeneous Photooxidation.
Authors: NECKERS D. C. , PACZKOWSKI J.
Published: May 2016

The modified rose bengal (I), which is able to complex a quencher or an acceptor, enhances the efficiency of singlet oxygen quenching by β‐carotene compared with solutions containing β‐cyclodextrin and the sensitizer as independent entities.
ChemInform Abstract: Photoreaction of Dexamethasone 21‐Acetate.
Authors: ARAKAWA Y. , FUKAYA C. , YAMANOUCHI K. , YOKOYAMA K.
Published: May 2016

Die Photochemie von Dexamethasonacetat (I) in Methanol wird unter verschiedenen Strahlungsbedingungen untersucht, wobei (II) als Zwischenprodukt für (III) und (IV) angesehen wird.
ChemInform Abstract: Reagents for Organic Synthesis. Part 5. Synthesis of Aldehydes and Ketones from Nitro Paraffins.
Authors: STELIOU K. , POUPART M.‐A.
Published: May 2016

Die Nitroverbindungen (I) werden über die Anionen (II) mit Kaliumpermanganat zu den Aldehyden (III) oxidiert.
ChemInform Abstract: A New "One‐Electron" Carbon‐Carbon Bond Forming Reaction: Separation of the Chain Propagation Steps in Free Radical Allylation.
Authors: KECK G. E. , BYERS J. H.
Published: May 2016

Die allylischen Phenylsul?‐ de (II) und (VII) reagieren unter Belichtung in Gegenwart von Hexabutylzinn (III) mit den Alkylhalogeniden bzw. ‐seleniden (I) zu den Olefinen (IV) bzw. (VIII).
ChemInform Abstract: Reactions of N‐Halobenzylalkylamines with Sodium Methoxide in Methanol.
Authors: CHO B. R. , YOON J. C. , BARTSCH R. A.
Published: May 2016

Die N‐Halogen‐benzylamine (I) reagieren mit Methylat zu den Iminen (II), daneben entstehen die sekundären Amine (III).
ChemInform Abstract: Synthesis and Mesomorphic Properties of N‐(p‐Alkoxybenzylidene)‐p‐aminobenzaldoxime.
Authors: BURMISTROV V. A. , KAREEV V. YU. , KLOPOV V. I.
Published: May 2016

Die im Titel genannten Verbindungen (III) werden auf literaturbekannte Weise aus den Alkoxybenzaldehyden (I) und 4‐Aminobenzaldoxim (II) synthetisiert.
ChemInform Abstract: Application of Asymmetric [2,3] Wittig Rearrangement of Stereocontrol over Three Contiguous Chiral Centers.
Authors: SAYO N. , NAKAI E. , NAKAI T.
Published: May 2016

Der aus dem Octinol (I) synthetisierte Silylpropargylether (III) wird mit Butyllithium in das Si‐ ‐ lylcarbinol (IV) umgelagert.
ChemInform Abstract: Potential Neuroleptic Agents. Part 4. Chemistry, Behavioral Pharmacology and Inhibition of [3H]Spiperone Binding of 3,5‐Disubstituted N‐[(1‐Ethyl‐2‐pyrrolidinyl)methyl]‐6‐methoxysalicylamides.
Authors: DE PAULIS T. , KUMAR Y. , JOHANSSON L. , RAEMSBY S. + , HALL H. , SAELLEMARK M. + , AENGEBY‐MOELLER K. + , OEGREN S.‐O. +
Published: May 2016

Die Carbonsäuren (II) werden in die Amide (III) und (IV) umgewandelt, von denen (III) (R′, R2 = C1) auf Grund der Voruntersu‐g chungsergebnisse klinisch gegen Schizophrenie untersucht werden soll.
ChemInform Abstract: Cycloadditions of N‐Benzylideneaminoacetonitrile as a Synthetic Equivalent of Methanenitrile Benzylide.
Authors: TSUGE O. , KANEMASA S. , YOROZU K. , UENO K.
Published: May 2016

Benzylidenaminoacetonitril (I) addiert sich an die Maleinsäureimide (II) zu den stereoisomeren Verbindungen (III) und (IV); (IV) eliminiert thermisch HCN unter Bildung des Pyrrolins (V), (III) eliminiert mit DBU (VI) als Base HCN zu den Iminen (VII) und (VIII).
ChemInform Abstract: Hydrohalogenation of l‐Vinylpyrazoles.
Authors: ES'KOVA L. A. , VORONOV V. K. , DOMNINA E. S. , SKVORTSOVA G. G.
Published: May 2016

Die Umsetzung der Vinylpyrazole (I) mit HCl oder HBr führt zu Gemischen des Hydrohalogenids von (I) mit dem Addukt (II) und dessen Hydrohalogenid.
ChemInform Abstract: A Novel Synthesis of 4H‐Thiopyrans: Unexpected Products of Reaction of Cyanothioacetamide with Cinnamonitrile Derivatives.
Authors: ELGEMEIE G. E. H. , SALLAM M. M. M. , SHERIF M. S. , ELNAGDI M. H.
Published: May 2016

Die kinetisch kontrollierte Reaktion des Thioamids (I) mit den Malonitril‐Derivaten (II) in Gegenwart von Triethy lamin führt zu den Thiopyranen (III), die auch aus den Thioamiden (V) mit Malo‐m dinitril (IV) erhalten werden.
ChemInform Abstract: Applications of Organolithium and Related Reagents in Synthesis.
Authors: EPSZTAJN J. , BIENIEK A. , PLOTKA M. W.
Published: May 2016

The ortho lithiation of sec. pyridinecarboxamides (Ia)‐(Ic) and (IIa)‐(IIc) depends on the N‐substituent.
ChemInform Abstract: Synthesis of 5,5′‐Dibromo‐8,8′‐dihydroxy‐7,7′‐biquinoline.
Authors: VISWANATHAN N. , PATANKAR S. J.
Published: May 2016

Um weitere biologische Untersuchungen durchführen zu können, werden die Aza‐Analogen (V) und (VI) des bekannten Anthelminthikums Diospyrol (I) synthetisiert (Ausb.‐Angaben in g).
ChemInform Abstract: Nucleophilic Substitution of 1,2,4‐Triazines.
Authors: HUANG J. J.
Published: May 2016

Das Triazin (I) reagiert mit Ammoniak in Ethanol je nach Reaktionstemperatur zu unterschiedlichen Gemischen der Substitutionsprodukte (II) bis (VI).
ChemInform Abstract: Synthesis of 10‐(4‐Methyl‐1‐piperazinyl)thieno[3,2,b][1,5]benzoxazepines.
Authors: CORRAL C. , LISSAVETZKY J. , VALDEOLMILLOS A.
Published: May 2016

Der 3‐Hydroxy‐thiophen‐2‐carbonsäureester (I) kondensiert mit den Chlor‐nitrobenzolen (II) zu Nitrophenyl‐ethern (III), die zu den Aminen (IV) reduziert und dann zu den Lactamen (V) cyclisiert werden.
ChemInform Abstract: Degradation and Detoxification of Organophosphonates: Cleavage of the Carbon to Phosphorus Bond.
Authors: CORDEIRO M. L. , POMPLIANO D. L. , FROST J. W.
Published: May 2016

Escherichia coli growths on the alkylphosphonic acids (I) result in cleavage of the C ‐ Pbond and formation of alkanes (II) and alkenes (III) as minor products.
ChemInform Abstract: Reductive Coupling of Two Carbon Monoxide Ligands to Form a Coordinated Alkyne.
Authors: BIANCONI P. A. , WILLIAMS I. D. , ENGELER M. P. , LIPPARD S. J.
Published: May 2016

The high‐coordinate carbonyl complex (I) with an electron‐rich metal Center fulfills the steric, geometric, and electronic requirements found to be important in reductive coupling reactions.
ChemInform Abstract: Organometallic Nitrosyl Chemistry. Part 28. Insertion of the Nitrosonium Ion into a Chromium ‐ Methyl Bond.
Authors: LEGZDINS P. , WASSINK B. , EINSTEIN F. W. B. , WILLIS A. C.
Published: May 2016

The insertion of NO into the Cr‐C bond of the Cr complex (I) leads to the formation of the air‐stable, diamagnetic complex (II) with a formaldoxime ligand.
ChemInform Abstract: Electron Transfer. Part 76. Reduction of Carboxylato‐Bound Chromium(V) with Uranium(IV).
Authors: BOSE R. N. , GOULD E. S.
Published: May 2016

The chelated Cr(V) complex (I) reacts rapidly with an equimolar quantity of U(ClO4)4 at pH 2‐4 to yield U0? and a bis‐chelated hydroxycarboxylato derivative of Cr(III)(H2O)2.
ChemInform Abstract: Reactions of Substituted Carbonyltungsten Carbyne Complexes with Dithiocarbamate Salts.
Authors: MAYR A. , MCDERMOTT G. A. , DORRIES A. M. , HOLDER A. K. , FULTZ W. C. , RHEINGOLD A. L.
Published: May 2016

The reactions of the coordinatively labile Carbyne complexes (I) with diethyldit‐hiocarbamate salts involve not only facile ligand Substitution reactions but also transformations of the carbyne ligands depending on the nature of the counterion.
ChemInform Abstract: Imidazo[4,5‐c]pyridines (3‐Deazapurines) and Their Nucleosides as Immunosuppressive and Antiinflammatory Agents.
Authors: KRENITSKY T. A. , RIDEOUT J. L. , CHAO E. Y. , KOSZALKA G. W. , GURNEY F. , CROUCH R. C. , COHN N. K. , WOLBERG G. , VINEGAR R.
Published: May 2016

Die Desazapurine (I) werden synthetisiert.
ChemInform Abstract: Arginine‐Vasopressin Analogues with High Antidiuretic/Vasopressor Selectivity.
Authors: GRZONKA Z. , KASPRZYKOWSKI F. , KOJRO E. , DARLAK K. , MELIN P. , FAHRENHOLZ F. , CRAUSE P. , BOER R.
Published: May 2016

Vasopressin‐Analoga wie (I)‐(IV) werden synthetisiert, deren antidiuretische und vasopressorische Eigenschaften untersucht werden.
ChemInform Abstract: Efficient Asymmetric [2 + 2] Photocycloaddition Leading to Chiral Cyclobutanes. Application to the Total Synthesis of (‐)‐Grandisol.
Authors: MEYERS A. I. , FLEMING S. A.
Published: May 2016

The readily available bicyclic lactam (I) is converted to the α,β‐unsaturated lactam (II).
ChemInform Abstract: Structure and Properties of the Sulfur Dinitride Dianion.
Authors: CONTI M. , TRSIC M. , LAIDLAW W. G.
Published: May 2016

The properties of the N2S2‐ dianion are calculated using Hartree‐Fock‐Slater and MNDO methods.
ChemInform Abstract: Influence of the Sintering Temperature on the Ferroelectric and Pyroelectric Properties of Ceramics with Pb(Fe0.5Nb0.5)O3 Composition.
Authors: ROSSIGNOL J.‐F. , SIMON A. , RAVEZ J. , HAGENMULLER P.
Published: May 2016

The ferroelectric and pyroelectric properties of two Pb(Fe0‐5Nb0‐5)O3 ceramics, sintered at 850 and 1050°C, have been compared.
ChemInform Abstract: Electrical Resistivities of Liquid Cd ‐ Sb, Sb ‐ Zn, and Cd ‐ Sb ‐ Zn Alloys
Authors: MIAN M. R. , MIKULA A. , KOMAREK K. L. , NEUMANN W.
Published: May 2016

are measured by the electrodeless rotating magnetic field method.
ChemInform Abstract: DTA Study of the Tl2S ‐ Sb2S3 System.
Authors: JUMAS J.‐C. , OLIVIER‐FOURCADE J. , REY N. , PHILIPPOT E.
Published: May 2016

The phase diagram of the pseudo‐binary title system has been determined by DTA and XRD.
ChemInform Abstract: Thermodynamic Study of the Hf‐I‐H‐C‐O System. Preparation of HfC and HfO2 by Chemical Vapor Deposition.
Authors: GOUSSIS A. , CAILLET M. , PASSEMARD G. , BESSON J.
Published: May 2016

As shown by a thermodynamic investigation carbon‐free HfC can be quantitatively deposited at temp. above 1500 K from a HfI4/CH4‐mixture with an excess of HfI4.
ChemInform Abstract: Kinetics and Mechanism of the Reduction of Rhodium(III) Complexes Rh(H2O)5X2+ by Cr2+.
Authors: HILLS E. F. , MOSZNER M. , SYKES A. G.
Published: May 2016

The reduction of [Rh(H2O)6]3+, [Rh(H2O)5Br]", and [Rh(H2O)5Cl]2+ by Cr" in aqueous HClO4 to give the aqua dimer Rhg" has been studied by the stopped‐flow method (rate constants are given).
ChemInform Abstract: Sintering of Platinum Particles in an Alumina‐Supported Catalyst: Further Transmission Electron Microscopy Studies.
Authors: HARRIS P. J. F.
Published: May 2016

Pt particle sintering in specimens of a Pt/ Al2O3 catalyst prepared by a novel technique based on the sol‐gel process and heat‐treated under oxidizing condition is investigated by TEM.
ChemInform Abstract: Sintering of Pt/ Al2O3 from Continuous Small‐Angle X‐Ray Scattering.
Authors: BRUMBERGER H. , CHANG Y. C. , PHILLIPS M. G. , DELAGLIO F. , GOODISMAN J.
Published: May 2016

Pt/ Al2O3 catalysts with high Pt loadings are subjected to thermal treatments (heating programAO0‐700°C) and the changes in specific surfaces are followed continuously by the title method (SAXS).
ChemInform Abstract: Metathesis Activity and Structure of MoO3 Highly Dispersed on SiO2.
Authors: ONO T. , ANPO M. , KUBOKAWA Y.
Published: May 2016

The structure of the MoO3/SiO2 supported catalyst (prepared by the ordinary impregnation method using an aqueous solution of (NH4)6Mo7O24) has been investigated by XRD, FTIR, and photoluminescence techniques.
ChemInform Abstract: Preparation and Characterization of New Orthovanadates RVO4 (R: In, Fe, Cr, Al, Nd, Y).
Authors: TOUBOUL M. , POPOT A.
Published: May 2016

The new orthovanadates has been prepared from aqueous solutions of ‐ R(NO3)3 and NH4VO3 (or V2O5 suspension).
ChemInform Abstract: Cs3Bi7Se12 a New Layer Selenidobismutate(III)
Authors: CORDIER G. , SCHAEFER H. + , SCHWIDETZKY C.
Published: May 2016

Bi ‐ Se (1 :l :4) melt at 770 K) crystallizes in the monoclinic system, space group Cm with Z=2.
ChemInform Abstract: Ternary Sulfides of Uranium and Palladium. Part 3. Characterization and Crystal Structure of PdU2S4.
Authors: DAOUDI A. , NOEL H.
Published: May 2016

The novel title compound is prepared by solid state reaction of Pd powder and U82 at 900°C (48 h).
ChemInform Abstract: Nickel‐Catalyzed Markovnikov Addition of Hydrogen Cyanide to Olefins.
Authors: NUGENT W. A. , MCKINNEY R. J.
Published: May 2016

Ausgehend vom Bromstyrol (I) bzw. dem Bromnaphthalin (VIII) werden nach den im Schema angegebenen Synthesefolgen die entzündungshemmenden Mittel Ibuprofen (VII) und Naproxen (XII) hergestellt.
ChemInform Abstract: Electronic Control of Stereoselectivity. Part 29. Stereochemical and Regiochemical Course of Isodicyclopentadiene‐Tropone Cycloaddition Reactions.
Authors: PAQUETTE L. A. , HATHAWAY S. J. , SCHIRCH P. F. T.
Published: May 2016

Isodicyclopentadien (I) reagiert mit Tropon (II) zu den Addukten (III) und (IV) sowie über das Isomere (V) zum Addukt (VI).
ChemInform Abstract: Synthesis of 11‐Oxatricyclo[5.3.1.02,6]undecane Derivatives via Organometallic Cyclizations.
Authors: LA BELLE B. E. , KNUDSEN M. J. , OLMSTEAD M. M. , HOPE H. , YANUCK M. D. , SCHORE N. E.
Published: May 2016

Die durch Fe2(CO)9 (II) katalysierte Reaktion der Furane (I) mit Tetra‐ bromaceton (III) zugänglichen 8‐Oxabicyclo[3.2.lloctenone (IV) bzw. die daraus durch DIBAH‐Reduktion hergestellten Alkohole (V) reagieren mit den Acetylenen (VIII) in Gegenwart von Co2(CO)8 (VII) zu den im Titel genannten Verbindungen (IX)‐(XIV).
ChemInform Abstract: A Formylation‐Cyclization Method of Synthesis of Cycloalkenones from Unsaturated Ketones.
Authors: CHAKRABORTI R. , RANU B. C. , GHATAK U. R.
Published: May 2016

Die Bortrifluorid‐katalysierte Formylierung der aus den Carbonsäuren (I) hergestellten Methylketone (III) mit Orthoameisensäuretriethylester (IV) liefert die β‐Ketoaldehydacetale (V), die in Gegenwart von Perchlorsäure in Benzol zu den verbrückten Dienonen (VI) cyclisiert werden.
ChemInform Abstract: Upper Excited‐State Reactions of α,β‐Unsaturated Thiones: Photocycloaddition to Electron‐Deficient Olefins.
Authors: RAO V. P. , RAMAMURTHY V.
Published: May 2016

Aus dem Thienon (III) erhält man unter photolytischer Aktivierung mit zahlreichen aktivierten Olefinen die angegebenen Addukte in hohen Ausbeuten.
ChemInform Abstract: 2‐Bicyclo[3.2.0]heptyl and 7‐Norbornyl Cations.
Authors: KIRMSE W. , STREU J.
Published: May 2016

Es werden die Struktur und die Reaktionsfähigkeit von 2‐Bicyclo[3.2.0]heptyl‐ und 7‐Norbornyl‐Kationen untersucht.
ChemInform Abstract: N‐Protected α‐Amino Ketones from Enamines and (Ethoxycarbonyl)nitrene.
Authors: FIORAVANTI S. , LORETO M. A. , PELLACANI L. , TARDELLA P. A.
Published: May 2016

Das in situ aus dem Sulfonoxyurethan (II) und Triethylamin generierte Ethoxycarbonylnitren reagiert mit den Enaminen (I) durch Angriff an dem Enamin‐Stickstoffatom bzw. durch Addition an die C = C‐Doppelbindung zu den N,N‐Yliden (III) bzw. den Aziridinen (IV), die bei der Aufarbeitung teilweise zu den Hydrazin‐Derivaten (V) bzw. zu den N‐acylierten α‐Aminoketonen (VII) hydrolysiert werden.
ChemInform Abstract: Chromium(VI) Based Oxidants. Part l. Chromium Peroxide Complexes as Versatile, Mild, and Efficient Oxidants in Organic Synthesis.
Authors: FIROUZABADI H. , IRANPOOR N. , KIAEEZADEH F. , TOOFAN J.
Published: May 2016

Alcohols, oximes, carboxylic acids, amines, thiols,and aromatic cyclic carbohydrates have been heated under mild conditions with 2,2′‐bipyridylchromium peroxide, pyridinechromium peroxide or chromium peroxide etherate.
ChemInform Abstract: Silafunctional Compounds in Organic Synthesis. Part 29. Oxidation of (Alkenyl)alkoxysilanes to α‐Hydroxy Ketones.
Authors: TAMAO K. , MAEDA K.
Published: May 2016

Aus dem Enolether (II) erhält man mit Persäure je nach den Reaktionsbedingungen entweder das Keton (I) oder über das Epoxid (III) das Hydroxy‐keton (IV).
ChemInform Abstract: Chemoselective Reductions of 2‐Acyl‐1H‐indole‐3‐carboxaldehydes.
Authors: DJURIC S. W. , HERBERT R. B. , HOLLIMAN F. G.
Published: May 2016

Die selektive Reduktion der Acylindolcarboxaldehyde (I) wird untersucht.
ChemInform Abstract: Tandem Alkylation‐Reduction. Highly Stereoselective Synthesis of (E)‐1‐Hydroxymethyl Methyl Propenyl Ethers from Aldehydes Using 1‐Lithio‐1‐methoxyallene.
Authors: WEIBERTH F. J. , HALL S. S.
Published: May 2016

Die im Titel genannten Verbindungen (IV) werden in einer Eintopfreaktion durch Umsetzung der Aldehyde (I) mit dem aus Methoxyallen (II) in situ erzeugten Lithium‐Derivat (VI) und nachfolgender Reduktion der Allene (III) mit Lithium in Ammoniak erhalten.
ChemInform Abstract: Improved Procedure for Introducing the α‐Fluoroacetyl Group via the Directed Aldol Reaction.
Authors: WELCH J. T. , ESWARAKRISHNAN S.
Published: May 2016

Die Aldol‐Reaktion der aus den Fluoracetamiden (III) und LDA in situ erzeugten Enolate mit den Carbonylverbindungen (IV) führt mit mäßiger Diastereoselektivität (1:1 bis 4 : 1) zu den β‐Hydroxyamiden (V).
ChemInform Abstract: The Quarternisation of Tertiary Amines with Dihalomethane.
Authors: ALMARZOQI B. , GEORGE A. V. , ISAACS N. S.
Published: May 2016

When trimethylamine (I) is dissolved in CH2Cl2 (II) over a period of a few days, the quaternary ammonium salt (III) is formed.
ChemInform Abstract: Conversion of Formaldehyde to Acetic Acid. Formic Acid as a Stoichiometric CO Substitute.
Authors: KAPLAN L.
Published: May 2016

Formaldehyd ‐ eingesetzt in Form von Trioxan (I) ‐ wird durch Erhitzen mit äquimolaren Mengen Ameisensäure (II) in wäßriger Iodwasserstoffsäure in Essigsäure (III) übergeführt.
ChemInform Abstract: A New System for the Bifunctionalization of Unsaturated Compounds.
Authors: BODRIKOV I. V. , ZHIVODEROV A. V. , CHERNOV A. N. , MICHURIN A. A. , CHUMAKOVA L. I.
Published: May 2016

By reaction of the alkenes (I) with a novel re‐ ‐ agent, the heterocyclic compound (II), the oxathiazine dioxides (III) are isolated; These are easily hydrolyzed to the open chain compounds (IV), which contain an acyloxy and a sulphamoyl functionality.
ChemInform Abstract: New Copper Chemistry. Part 9. Reaction of Organocuprates with Dithio Esters: Double‐Barrelled Carbophilic Addition and a New Synthetic Route to Tertiary Thiols.
Authors: BERTZ S. H. , DABBAGH G. , WILLIAMS L. M.
Published: May 2016

Aus den Dithio‐carbonsäureestern (I) und den Lithium‐cupraten (II) erhält man in Abhängigkeit von den für die Herstellung von (II) verwendeten Ausgangsmaterialien unterschiedliche Mengen an den tertiären Mercaptanen (III).
ChemInform Abstract: A Stable Derivative of Cyclooctatrienyne. Synthesis and Crystal Structures of 1,4,7,10‐Tetramethyl‐5,6‐didehydrodibenzo[a,e]cyclooctene and 1,4,7,10‐Tetramethyldibenzo[a,e]cyclooctene.
Authors: CHAN T.‐L. , MAK T. C. W. , POON C.‐D. , WONG H. N. C. , JIA J. H. , WANG L. L.
Published: May 2016

Diels‐Alder cycloaddition of (I) and (II), dehydration [‐ (III)] and Friedel‐Crafts acylation yield a ketoacid (V), which exists predominantly in its pseudo‐form (VI).
ChemInform Abstract: 1‐H‐2‐Oxooctafluoropentanesulphonylfluoride in the Wedekind‐Staudinger Reaction.
Authors: ERMOLOV A. F. , ELEEV A. F. , KUTEPOV A. P. , SOKOL'SKII G. A.
Published: May 2016

The title compound (I), a strong C,H‐acid, loses HF on treatment with pyridine to form the intermediate compound (II), which reacts further with pyridine to give the stable complex (III).
ChemInform Abstract: Chiral Synthesis of 3,4‐Disubstituted 2‐Azetidinones from (R,R)‐(+)‐ Tartaric Acid.
Authors: GATEAU‐OLESKER A. , CLEOPHAX J. , GERO S. D.
Published: May 2016

Die optisch aktiven Weinsäureester (Ia) bzw. (Ib) werden in der angegebenen Weise aus (II) bzw. (III) hergestellt und im wesentlichen zu den Monoestern (IV) 82 verseift.
ChemInform Abstract: Selective Permanganate Oxidation of cis‐ vs. trans‐2,5‐Dihydro‐2,5‐dimethoxyfuran.
Authors: HOENEL M. + , MOSHER H. S.
Published: May 2016

Die isomeren Dimethoxy‐dihydrofurane (I) bzw. (IV) werden mit Permanganat zu entsprechenden Diolen (II) bzw. (V) hydroxyliert.
ChemInform Abstract: Synthesis of Bis‐tetrazoles from Bis‐arylimidoyl Chlorides of Dichloromalonic Acid.
Authors: SHIVANYUK A. F. , DASHKOVSKAYA E. V. , LOZINSKII M. O.
Published: May 2016

On reaction of the malono‐bis‐anilides (I) with PCls the novel dichloro compounds (II) are obtained.
ChemInform Abstract: Regiospecific α‐Alkylation of 4‐Chloro(bromo)pyridine.
Authors: COMINS D. L. , MANTLO N. B.
Published: May 2016

Aus den 4‐Chlor‐pyridinium‐Salzen (I) sowie den aus (V) erhaltenen 4‐Brom‐Analogen werden mit Grignard‐Verbindungen (II) über (III) bzw. (VI I) durch oxidative Spaltung die 2‐substituierten 4‐Halogen‐pyridine (IV) bzw. (VIII) in mittleren bis guten Ausbeuten erhalten.
ChemInform Abstract: Stereoselective Synthesis of 1‐Substituted 2,6‐Dicyanopiperidines and Transformation of 2,6‐Dialkylated Products of 1‐Phenyl‐2,6‐dicyanopiperidine to δ‐Diketones and Cyclohexenones.
Authors: TAKAHASHI K. , MIKAJIRI T. , KURITA H. , OGURA K. , IIDA H.
Published: May 2016

Aus Glutardialdehyd (I) erhält man mit Bisulfit und anschließend mit Aminen (II) die Cyclisierungsprodukte (III), die mit KCN zu (IV) substituiert werden.
ChemInform Abstract: Synthesis of 4,7‐Dihydro‐4‐oxopyrrolo[2,3‐b]pyridine‐5‐carboxylic Acid Derivatives as Potential Antimicrobial Agents.
Authors: VISHWAKARMA L. C. , SOWELL J. W. SEN.
Published: May 2016

Aus den Amino‐pyrrolen (I) erhält man mit den Alkoxymethylen‐malonestern (II) die Kondensationsprodukte (III), die zu (IV) hydrolysiert und weiter zu (V) decarboxyliert werden.
ChemInform Abstract: Reaction of N‐Halogen Imides with Sulphur. Diimidosulphides.
Authors: BOROVIKOVA G. S. , LEVCHENKO E. S. , KAMINSKAYA E. I.
Published: May 2016

The N‐halogen imides (I) are converted on reaction with sulphur to the title compounds.
ChemInform Abstract: Arene Complexes of Transition Metals in Reactions with Nucleophilic Reagents.
Authors: LITVAK V. V. , GORYUNOV L. I. , SHTEINGARTS V. D.
Published: May 2016

The chromium complex (II) mentioned in the title is prepared from o‐dichlorobenzene (I).
ChemInform Abstract: Interaction of Copper(II) with N ‐(2‐Hydroxyethyl)piperazine‐N′‐ethanesulfonic Acid (HEPES).
Authors: HEGETSCHWEILER K. , SALTMAN P.
Published: May 2016

The use of the title ligand HEPES as a biochemical buffer at neutral pH is predicted on the assumption of its lack of binding affinity and reactivity toward metal ions.
ChemInform Abstract: Preparation and X‐Ray Structure of [(C5Me5)Rh(μ‐pz)2(μ‐CO)Rh(dppp)]BPh4 (pz: pyrazolate; dppp: 1,3‐bisdiphenylphosphinopropane)
Authors: ORO L. A. , CARMONA D. , REYES J. , FOCES‐FOCES C. , CANO F. H.
Published: May 2016

The title complex (I) has been prepared by adding the diphosphine and NaBPh4 to a methanol suspension of the neutral compound (C5Me5)(Cl)Rh(p‐L)2Rh(CO)2 (H L: pyrazole).
ChemInform Abstract: Synthesis of New Hybrid Phosphine Amide Complexes of Rhodium(I) and Iridium(I). Intramolecular "Chelate‐Assisted" Oxidative Addition of an N ‐ H Bond to Iridium(I).
Authors: ROUNDHILL D. M. , HEDDEN D.
Published: May 2016

Die Komplexe (IV) wurden durch Reaktion der Liganden (II) bzw. (III) mit dem Komplex (I) durch Brückenspaltung erhalten.
ChemInform Abstract: Hyper‐Closo Metallaboranes.
Authors: BAKER R. T.
Published: May 2016

Comparison of metal‐boron bonding in closo‐ and hyper‐closo‐metallaboranes.
ChemInform Abstract: Modified Synthesis of Mosher′s Acid and Its Use in a Sensitive Stereoisomer Analysis of Amino Acid Derivatives.
Authors: HULL W. E. , SEEHOLZER K. , BAUMEISTER M. , UGI I.
Published: May 2016

The distinguishing features in an improved synthesis of the title compound (VII) are: a) preparation of (III) by Friedel‐Crafts acylation, b) transformation to (VI) employing tBuOH as the solvent, and c) the alkaline hydrolysis of (VI).
ChemInform Abstract: Synthesis of Further Divarinol and Olivetol Lichen para‐Depsides.
Authors: ELIX J. A. , PARKER J. L. , TEARNE P. D. , WARDLAW J. H.
Published: May 2016

The benzoic acid derivatives (IV) [prepared from (I)], (VI) [prepared from (V)] and (VIII) are coupled with compounds (VII) to give the corresponding phenolic esters.
ChemInform Abstract: Structural Description and Thermal Behaviour of a Family of As2GenTe3+n Compounds in the As2Te3 ‐ GeTe System.
Authors: HAN W. S. , JAULMES S. , MAZURIER A. , OLLITRAULT‐FICHET R.
Published: May 2016

The As2Te3 ‐ GeTe system is essentially characterized by the existence of a novel family of crystalline phases with the general formula As2Ge"Te3+".
ChemInform Abstract: Neutron Scattering Study of Zeolite Rho.
Authors: WAX M. J. , CAVANAGH R. R. , RUSH J. J. , STUCKY G. D. , ABRAMS L. , CORBIN D. R.
Published: May 2016

Inelastic and quasi‐elastic neutron scattering studies of Na,Cs‐ Rho have been carried out in order to investigate the bonding sites and geometries of framework hydrogen atoms as well as temp.‐induced changes in structure.
ChemInform Abstract: Clay‐Modified Electrodes. Part 6. Aluminum and Silicon Pillared Clay‐Modified Electrodes.
Authors: RUDZINSKI W. E. , BARD A. J.
Published: May 2016

Metal (Ru, 0s, Fe) bipyridyl complexes and Ru(NH3 2+ are incorporated into several montmorillonite clays and their Al‐ and Si‐pillared analogues.
ChemInform Abstract: Mechanism of Anodic Dissolution of Copper in Aqueous Acidified Solutions of Different Anions.
Authors: AWAD S. A. , KAMEL KH. M. , ABD EL‐HADI Z. , BAYUMI H. A.
Published: May 2016

The potentials of Cu anodes are measured as a function of current density in acidified NaH2PO4, Na2SO4, NaCl,and NaNO3 solutions.
ChemInform Abstract: Oxygen Reduction on a Ruthenium Electrode in Alkaline Electrolytes
Authors: ANASTASIJEVIC N. A. , DIMITRIJEVIC Z. M. , ADZIC R. R.
Published: May 2016

Oxygen Reduction on a Ruthenium Electrode in Alkaline Electrolytes is studied using rotating disc and rotating disc‐ring methods.
ChemInform Abstract: Double Coupling Reaction of a Diazonium Salt with 2,10‐Dimethoxy‐1,6‐methano[10]annulene and X‐Ray Structure Analysis.
Authors: NEIDLEIN R. , GUENTHER G. + , KRAMER W. , GIEREN A. , LAMM V. , BETZ H.
Published: May 2016

The title compound (III) is obtained by a double Coupling reaction of the annulene (I) with the diazonium salt (II).
ChemInform Abstract: Predictions of Relative Structural Trends from ab initio Derived Standard Geometry Functions.
Authors: SCHAEFER L. + , EWBANK J. D. , KLIMKOWSKI V. J. , SIAM K. , VAN ALSENOY C.
Published: May 2016

Some aspects are reviewed of the series "Ab initio Studies of Structural Features Not Easily Amenable to Experiment", in which, so far, more than 300 structures of almost 100 basic organic molecules have been investigated by gradient geometry optimizations on the 4‐2lG level.
ChemInform Abstract: Effects of Mixed‐ligand Complex Formation on Deprotonation of Amide Groups in Acid Amides and Peptides.
Authors: SOVAGO I. , HARMAN B. , GERGELY A. , RADOMSKA B.
Published: May 2016

The stability constants of the binary parent complexes of the ligands glycinamide, glycylglycinamide, and N‐acetylhistidine with copper(I I), and of the ternary complexes with the additional ligands glycine, 2,3‐diaminopropionic acid, tiron, histamine, L‐histidine, and 2,2‐bipyridyl have been deter‐ 18 mined from pH‐metric measurements.
ChemInform Abstract: Chiral Lactols. Part 6. A Method for the Determination of the Absolute Configuration of Chiral α‐Hydroxy‐substituted Nitriles, Alkynes, and Aldehydes.
Authors: NOE C. R. , KNOLLMUELLER M. + , OBERHAUSER B. , STEINBAUER G. , WAGNER E.
Published: May 2016

Bei der Reaktion eines enantiomerenreinen Lactols vom Typ (I) mit überschüssigem, racemischem Alkylarylcarbinol wie (IIa) wird das entsprechende Diastereomere (IIIa) gegenüber dem Diastereomeren (IVa) bevorzugt gebildet.
ChemInform Abstract: Thermal Addition of Alkanes to Alkenes. Part 3. Reactivity of C‐H Bonds of Alkanes in the Addition to Alkenes.
Authors: HARTMANNS J. , METZGER J. O.
Published: May 2016

Die Reaktion der Alkane (I) mit dem Alken (IIIa), der Cycloalkane (II) mit (IIIb) sowie von (IIa) mit (IIIc) werden untersucht.
ChemInform Abstract: Reactions with β‐Cyanoethylhydrazine. Part 3. A New Approach for the Synthesis of Substituted 3,5‐Diaminopyrazole and 1,2,4‐Triazoles.
Authors: ELMOGHAYAR M. R. H. , ELGHANDOUR A. H. H.
Published: May 2016

Reaction of the hydrazine (I) with the nitrile (II) results in formation of a condensation product which on treatment with NaOH produces the pyrazole (III).
ChemInform Abstract: Palladium‐Catalyzed Carbonylation of Alkynes. Part 3. Cyclocarbonylation of 1,6‐Diynes.
Authors: CHIUSOLI G. P. , COSTA M. , GERBELLA M. , SALERNO G.
Published: May 2016

Läßt man die Alkine (I) mit CO (II) unter der angegebenen Bedingung reagieren, so entstehen unter Cyclocarbonylierung die Dimeren (III).
ChemInform Abstract: Synthesis of N‐tert‐Butoxycarbonyl‐4,4‐dideuterio‐L‐proline.
Authors: DORMOY J.‐R. , CASTRO B.
Published: May 2016

Die im Titel genannte Verbindung (VI) wird in 5 Stufen mit einem Deuteriumgehalt von 90% hergestellt.
ChemInform Abstract: Derivatives of the Acetylenes HCC‐SF5 and SF5‐CC‐SF5.
Authors: WESSEL J. , HARTL H. , SEPPELT K.
Published: May 2016

Metallierungen der Titelverbindung (II) führen zu den Verbindungen (I) und (III)‐(V).
ChemInform Abstract: Trimethylsilyl Cyanide ‐ a Reagent for Umpolung. Part 9. Enol Esters of Acyl Cyanides: Syntheses and General Properties.
Authors: HERTENSTEIN U. , HUENIG S. + , REICHELT H. , SCHALLER R.
Published: May 2016

According to previous reports (I) are obtained from the corresponding acyl cyanides by reaction with trimethylsilyl chloride in the presence of triethylamine.
ChemInform Abstract: A Useful Preparation of O‐Protected α‐Hydroxyketones of Defined Enantiomeric Purity from 2‐Hydroxyalkanoic Esters.
Authors: LARCHEVEQUE M. , PETIT Y.
Published: May 2016

Durch Addition von Organo‐Lithiumverbindungen bei ‐100°C an chirale O‐geschützte 2‐Hydroxycarbonsäureester (I) oder von Organomagnesiumbromiden bei 5°C an entsprechende N,N‐Dimethylamide (V) werden chirale α‐Hydroxyketone (II) erhalten.
ChemInform Abstract: Reactions of Fluoroalkenes. Part 2. On Reactions of F‐Hept‐1‐ene with S‐Nucleophiles.
Authors: GROSS U. , ENGLER G.
Published: May 2016

Durch die Umsetzung des Perfluorheptens (II) mit Natriumsulfit erhält man das Allylsubstitutionsprodukt (I) (nur E‐Isomeres), mit Natriumhydrogensulfit fällt neben (I) auch das Additionsprodukt (III) an.
ChemInform Abstract: Synthetic Equivalent for Aminocarboxycarbene: Synthesis of 1‐Amino‐1‐cyclopropanecarboxylic Acid Methyl Esters.
Authors: SCHOELLKOPF U. + , HAUPTREIF M. , DIPPEL J. , NIEGER M. , EGERT E.
Published: May 2016

Under the conditions given in the scheme, the piperazine (I) is transformed to the diazo derivative (II) which, on loss of nitrogen, generates the carbene (III).
ChemInform Abstract: Studies in Azide Chemistry. Part 13. Intermolecular Insertion of Azide‐ Derived Polyfluorinated Aryl‐ and Heteroaryl‐nitrenes into Ring C‐H Bonds of 1,3,5‐Trimethyland 1,3,5‐Trimethoxy‐benzene.
Authors: BANKS R. E. , MADANY I. M.
Published: May 2016

Die Thermolyse der Azide (I) in Gegenwart eines ca. l0 molaren Überschusses an 1,3,5‐Trimethyl‐ (IIa) oder l,3,5‐Trimethoxybenzol (IIb) liefert die Diarylamine (III).
ChemInform Abstract: Production of 4‐Hydroxyphenyl‐trichloromethylcarbinol.
Authors: GROCHOWSKI E. , ROSTAFINSKA B. , SZELEJEWSKI W.
Published: May 2016

The reaction of phenol (I) with chloral hydrate (II) in the presence of basic agents has been investigated and an effective method for the synthesis of the title compound (III) is described.
ChemInform Abstract: Synthesis of Useful Building Blocks for Monofluorinated Compounds Derived from Trifluoroethene.
Authors: NAKAYAMA Y. , KITAZUME T. , ISHIKAWA N.
Published: May 2016

Das durch Friede]‐Crafts‐Acylierung von Trifluorethen erhältliche Keton (I) kann in das Trifluorvinylketon (II) übergeführt werden.
ChemInform Abstract: A New Method for the Synthesis of 3‐Methylene‐2‐azetidinones.
Authors: TANAKA K. , YODA H. , INOUE K. , KAJI A.
Published: May 2016

Durch Bromierung der 2‐Stannylmethyl‐acrylamide (I) erhält man 2‐Brommethyl‐Derivate (II), die durch Basenbehandlung in 3‐Methylen‐2‐azetidinone (III) übergeführt werden.
ChemInform Abstract: Note on the [1,2]‐Rearrangement of the Hetero Substituent in a Sulfinamidine.
Authors: HAEUSLER J. +
Published: May 2016

Reaction of the pyrroline (Ia) with the diimide (III) yields the thiol (II) (the reaction mechanism is discussed).
ChemInform Abstract: Pummerer Reaction of Thienamycin‐Type Cyclic Vinylogous Sulfide and Sulfoxide.
Authors: TAKEMURA M. , HIGASHI K. , FUJIWARA H. , SATO M. , FURUKAWA M.
Published: May 2016

Als Thienamycin‐analoge Modellsubstanzen werden ausgehend von (I) die Pyrroline (IIIa) und (IIIb) hergestellt, deren Verhalten in der Pummerer‐Reaktion untersucht wird.
ChemInform Abstract: Synthesis and Properties of 4‐Alkoxy‐4,5‐dihydro‐2H‐thieno[3,2‐b]pyrrole‐5‐ones.
Authors: GEFFKEN D. , STROHAUER K.
Published: May 2016

The 2,2‐bis‐thienyI‐N‐alkoxyglycolamides (Ia) and the 2‐thienyl‐2‐phenyl‐N‐ alkoxyglycolamides (Ib) react with DCC at ambient temp. to yield the title compounds (II).
ChemInform Abstract: Nitriles in Heterocyclic Synthesis. A Novel Synthesis of 4‐Phenacylpyrazole and Pyrrolo[2,3‐c]pyrazole Derivatives.
Authors: ABDELRAZEK F. M. , ERIAN A. W. , HILMY K. M. H.
Published: May 2016

Phenacylmalodinitril (III) wird mit Hydrazinen zu Pyrazolen (IV) umgesetzt, die mit Trichloracetonitril zu Pyrrolo‐pyrazolen (V) cyclisieren.
ChemInform Abstract: New Derivatives of Imidazoline‐3‐oxide and Thiazoline with 2,6‐Dialkylphenol Fragments.
Authors: TITOVA T. F. , KRYSIN A. P. , MARTIN V. V.
Published: May 2016

Die aus 2,6‐Dialkylphenolen (I) durch Umsetzung mit Methylvinylketon (II) hergestellten 4‐Arylbutanone (III) cyclisieren mit Amino‐oximen (IV) zu Imidazolin‐oxiden (V).
ChemInform Abstract: 2‐Oxo‐4H‐imidazolium‐1‐acetamidate, New Stabilized Dipoles from Amino‐ azirines and NH‐Acidic Heterocycles.
Authors: PREWO R. , BIERI J. H. , HEIMGARTNER H.
Published: May 2016

Während man aus dem Dimethylaminoazirin (I) mit Oxazolon (IIa) über das vermutete Zwischenprodukt (IIIa) direkt (IV) erhält, bleibt die Umsetzung von (I) mit dem Oxadiazol (IIb) auf der Stufe von (IIIb) stehen.
ChemInform Abstract: The Synthetic Reactions of Isoxazoline 2‐Oxides. Part 6. Substituent Effect on the Ring Transformation of 4‐(Di/Trisubstituted Phenyl)‐3,5‐ bis(methoxycarbonyl)‐2‐isoxazoline 2‐Oxides.
Authors: ZEN S. , KAJI E. , TAKAHASHI K.
Published: May 2016

Die Benzaldehyde (I) kondensieren mit dem Nitroessigsäureester (II) zu den Arylisoxazolin‐N‐oxiden (III), die mit TiCl4 entweder zu den Indol‐ N‐oxiden (IV) oder zu den Benzofuroisoxazolinen (V) und (VI) umgesetzt werden können; daneben wird auch das Isoxazol (VII) isoliert.
ChemInform Abstract: Synthesis of 4‐, 5‐ and 6‐Methyl‐2,2′‐bipyridinyls.
Authors: POTTS K. T. , WINSLOW P. A.
Published: May 2016

Durch Umsetzung der a‐Oxoketendithioacetale (I) mit den aus Carbonyl‐ Verbindungen und Kalium‐tert‐butanolat in situ generierten Enolaten, z.B. (IV) und (VII), und nachfolgende Reaktion der nicht isolierten Addukte mit Ammoniumacetat in Eisessig werden die substituierten 2,2′‐Bipyridinyle (IIa), (IIb), (IIIa), (IIIb) und.
ChemInform Abstract: Potential Antimalarials. Part 6. Mannich Bases Derived from 4‐[7′‐Bromo(and chloro)‐1′,5′‐naphthyridin‐4′‐ylamino]phenols and 4‐(7′‐Trifluoromethylquinolin‐4′‐yl‐ amino)phenol.
Authors: BARLIN G. B. , TAN W.‐L.
Published: May 2016

The di‐Mannich bases (IV) and (V) are synthesized as shown for (IVa).
ChemInform Abstract: Oxidative Cyclization of Unsaturated Aminoquinones. Synthesis of Quinolinoquinones.
Authors: WEIDER P. R. , HEGEDUS L. S. , ASADA H. , D'ANDREQ S. V.
Published: May 2016

Bei der Behandlung mit Pd(II)‐Salzen erhält man aus dem Allyl‐diaminobenzochinon (II) anstelle des erwarteten Indolochinons (I) das Chinolin‐chinon (III).
ChemInform Abstract: Synthesis of 1,3‐Oxazino[5,6‐c]isoquinolines and Related Compounds.
Authors: TOYAMA M. , OTOMASU H.
Published: May 2016

Aus dem Chlor‐isochinolinol (III) werden die Folgeprodukte (I), (V) und (VI) sowie (IX) hergestellt.
ChemInform Abstract: Azaindole Derivatives. Part 67. Synthesis of N‐Substituted 1‐Benzyl‐4‐ methyl‐5‐cyano‐6‐amino‐7‐azaindoles.
Authors: SYCHEVA T. V. , ANISIMOVA O. S. , YAKHONTOV L. N.
Published: May 2016

Beim Erhitzen des 6‐Chlorazaindolins (I) mit primä‐ ren und sekundären Aminen (II) entstehen durch Substitution die entsprechenden Aminderivate (III).