bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Inversion and Proton Exchange at Chiral Nitrogen Centers of [Co(acac)2(Ph‐en)]+ (acac = 2,4‐Pentanedionate Ion.
Authors: KOJIMA M. , HIBINO T. , OUYANG Y. , FUJITA J.
Published: May 2016

Kinetic studies show that the Ph‐en complex, which has an electron‐withdrawing phenyl group on the N‐ atom undergoes proton exchange about 104 times faster than the Me‐en complex which has an electron‐repelling methyl group.
ChemInform Abstract: Cycloaddition Reactions of Organometalla Complexes. Part 9. Metalla Indoles by Reaction of Cobalt‐Containing Four Membered Heterocycles with Electrophiles.
Authors: WERNER H. , HEISER B. , ZIEGLER M. L. , LINSE K.
Published: May 2016

Der Cobalt‐Carben‐Komplex (I) geht unter Kohlenmonoxid‐Abspaltung im sauren Medium in den Komplex (II) über.
ChemInform Abstract: Synthesis and Magnetic Characterization of Some Cu(II) Complexes of Cinnamic Acids.
Authors: CABRAS M. A. , ZORODDU M. A.
Published: May 2016

Stoichiometric amounts of the acids or their potassium salts react with copper(II) salts to yield the Complexes (I) and (II) (no yields given).
ChemInform Abstract: Complexes of Rhodium(III) with 2‐Pyridinethiol and Its Conjugate Anion as the Sole Ligands.
Authors: DEEMING A. J. , MEAH M. N.
Published: May 2016

As shown in the scheme the reactions of Z‐pyridinethiol (HL) with the dimer (II) lead to complexes with four different types of ligand coordination: monodentate coordination of HL through sulphur which may involve pseudochelation involving H‐bonding to a cis‐ligand, monodentate coordination through sulphur, bridging, and chelation of the conjugate anion L′.
ChemInform Abstract: Coordination Chemistry of N‐(2‐ Aminophenyl)‐ and N‐(3‐ Aminophenyl)‐quinoline‐ 2′‐carboxamide.
Authors: PERLEPES S. P. , KABANOS T. , LAZARIDOU V. , TSANGARIS J. M.
Published: May 2016

The complexes (I)‐(III) are prepared by reactions of corresponding metal salts with the title ligands in warm ethanol and characterized by elemental analysis, conductivity measurements, X‐ray powder patterns, thermogravimetric analysis, magnetic moments, and spectral (1H NMR, IR, and electronic) studies.
ChemInform Abstract: Synthesis of the Taxane Ring System Using an Intramolecular Diels‐Alder Reaction of a 2‐Substituted Diene.
Authors: BROWN P. A. , JENKINS P. R.
Published: May 2016

The desired compound (XII) has been synthesized with the known enone (III) (no yield given) as starting compound.
ChemInform Abstract: Hashish. Part 36. Oxidation of Δ8‐Tetrahydrocannabinol (THC). Synthesis of Δ8‐THC‐1,2‐dione and 2‐Hydroxy‐Δ8‐THC.
Authors: HODJAT‐KASHANI H. , LAMBERT G. , DUFFLEY R. , RAZDAN R.
Published: May 2016

As‐Tetrahydrocannabinol (I) wird durch Luftsauerstoff in Gegenwart von Kupfer(I)‐chlorid über die Dihydroxyverbindung (II) zu dem o‐Benzochinon (III) oxidiert.
ChemInform Abstract: Synthesis and Reactions of C(3)‐Propyn‐1′‐ol Cephem.
Authors: SPRY D. O. , BHALA A. R.
Published: May 2016

Das aus dem C(3)‐Formylcephem (Ia) mit Acetylenmagnesiumbromid (II) hergestellte Propinol (Ib) wird nach den im Schema angegebenen Methoden in die C(3)‐substituierten Az‐Cephem‐Derivate (Ic)‐(Ip) übergeführt.
ChemInform Abstract: Boron Doping Effect on Silicon Film Deposition in the Si2H6 ‐ B2H6‐ He Gas System.
Authors: NAKAYAMA S. , KAWASHIMA I. , MUROTA J.
Published: May 2016

The silicon deposition rate is found to increase by addition of B2H6, in contrast to PH3 addition which do not affect the deposition rate.
ChemInform Abstract: Neon Matrix ESR and CI Theoretical Investigation of AlF+; Photoionization of AlF from Thermal and Laser Sputtering Generation Methods.
Authors: KNIGHT L. B. JUN. , EARL E. , LIGON A. R. , COBRANCHI D. P. , WOODWARD J. R. , BOSTICK J. M. , DAVIDSON E. R. , FELLER D.
Published: May 2016

The AlF+ radical cation has been studied spectroscopically for the first time and found to have a 2E ground state.
ChemInform Abstract: Strengthening of Alumina by Reactions with Silicon Film on the Surface and Effects of Ion Irradiation.
Authors: NODA S. , DOI H. , HIOKI T. , KAWAMOTO J. , KAMIGAITO O.
Published: May 2016

It is shown that the deposition of Si on sintered Al2O3, followed by annealing at 1673 K in air, results in an increase of 28% in flexural strength.
ChemInform Abstract: Circularly Polarized Luminescence from Racemic Lanthanide(III) Complexes with Achiral Ligands in Aqueous Solution Using Circularly Polarized Excitation.
Authors: HILMES G. L. , RIEHL J. P.
Published: May 2016

The circularly polarized luminescence (CPL) and total luminescence spectra are reported for aqueous solutions of tris Complexes of Tb(III), Eu(III), Sm(III), and Dy(III) with (I) in basic media.
ChemInform Abstract: Excited‐State Spectra and Lifetimes of Quadruply Bonded Binuclear Complexes: Direct Observation of a New Transient Species Following Decay of the 1(δδ*) State in Mo2Cl4(PBu3)4.
Authors: WINKLER J. R. , NOCERA D. G. , NETZEL T. L.
Published: May 2016

Transient absorption kinetics are studied in the 10‐11‐10‐3 s time range for [Re2Cl8]2‐, [Mo2Cl8]4‐, Mo2Cl4(MeCN)4, and Mo2Cl4(PBu3)4 in solution at room temp. A single excited state is detected by transient absorption spectroscopy following picosecond laser excitation of the δ2 → 1(δδ*) transitions in [M2Cl8]n‐ (M: Re, n: 2; M: Mo, n: 4).
ChemInform Abstract: Photochemical Consequences of the Manipulation of the Lowest Energy Excited States by Substitution of the Cp (Cp: η5‐C5H5) Ligands in Cp2TiX2 (X: Br, I) Complexes.
Authors: BRUCE M. R. M. , SCLAFANI A. , TYLER D. R.
Published: May 2016

PE spectroscopic studies and MO calculations show that the lowest energy X ‐ Ti and Cp ‐ Ti CT transitions are close in energy in the title complexes (I).
ChemInform Abstract: Thermal Stability of Some Potassium Dibenzo‐18‐crown‐6 Solid Compounds: KX(DB18C6) (X: NCS, Br, I, NO3). Differential Scanning Calorimetry and X‐Ray Investigations.
Authors: BIANCHI A. , GIUSTI J. , PAOLETTI P. , MANGANI S.
Published: May 2016

The effect of the anion on the thermal stability of potassium dibenzo‐18‐crown‐6 complexes is demonstrated.
ChemInform Abstract: Electronegativity Equalization Method for the Calculation of Atomic Charges in Molecules.
Authors: MORTIER W. J. , GHOSH S. K. , SHANKAR S.
Published: May 2016

Aformalism has been developed for the calculation of atomic charges in molecules which are connectivity and geometry dependent.
ChemInform Abstract: Sterically Directed Conjugate Addition Reactions of Unsaturated Esters.
Authors: COOKE M. P. JUN.
Published: May 2016

Der Zimtsäureester (I) reagiert mit Organo‐Lithiumverbindungen (II) bzw. (IV) zu den erwarteten Addukten (III) bzw. (V) in hohen Ausbeuten.
ChemInform Abstract: Stereochemistry in the Opening of Allyl Epoxides by Alkynyl Borates.
Authors: MAS J.‐M. , GORE J. , MALACRIA M.
Published: May 2016

Das Alkinylborat (I) reagiert mit den Vinyl‐epoxiden (II) über die Zwischenstufen (III) zu g den Dienolen (IV), deren Stereochemie wesentlich durch die Bedingungen, insbesondere die Dauer der Reaktion, bestimmt wird.
ChemInform Abstract: Reactions in a Slightly Hydrated Solid‐Liquid Heterogeneous Medium.
Authors: LE BIGOT Y. , EL GHARBI R. , DELMAS M. , GASET A.
Published: May 2016

Reactions of aldehydes, e.g. benzaldehydes, with triphenylphosphonium salts are investigated.
ChemInform Abstract: A New Synthesis of Cyclic Ureas from Aromatic Diamines by Selenium‐Assisted Carbonylation with Carbon Monoxide.
Authors: YOSHIDA T. , KAMBE N. , MURAI S. , SONODA N.
Published: May 2016

Aus den Diaminen (I) erhält man mit Kohlenmonoxid in Gegenwart stöchiometrischer Mengen an Selen ausschließlich die cyclischen Harnstoffderivate (III).
ChemInform Abstract: Selective Protection of Carbonyl Compounds. Silica Gel Treated with Thionyl Chloride as an Effective Catalyst for Thioacetalization.
Authors: KAMITORI Y. , HOJO M. , MASUDA R. , KIMURA T. , YOSHIDA T.
Published: May 2016

Silicagel, das mit Thionylchlorid vorbehandelt wird, erweist sich als hochselektiver Katalysator für die Thioacetal‐Bildung.
ChemInform Abstract: Oxidation of Aromatic Amines with Chromyl Chloride. Part 1. Oxidation of Aromatic Primary Amines.
Authors: NALLAIAH C. , STRICKSON J. A.
Published: May 2016

The oxidation of aromatic amines, e.g. (Ia)‐(Io), with chromyl Chloride yields solid intermediates (studied in detail in the following paper), affording mixtures of the azobenzenes (II) and the quinone derivatives (III)‐(VI) on hydrolysis.
ChemInform Abstract: Copper(I) Alkylborohydrides from Alkenes Using the CuCl/NaBH4 Reagent System.
Authors: RAO S. A. , PERIASAMY M.
Published: May 2016

Die Olefine (I) liefern mit dem im Titel genannten Reagens, wahrscheinlich über die polymeren Kupfer(I)‐alkylborohydride (II), nach Hydrolyse und oxidativer Aufarbeitung die Alkohole (III).
ChemInform Abstract: Regiospecific Addition of Organocopper Reagents to α,β‐Unsaturated Esters.
Authors: BEHFOROUZ M. , CURRAN T. T. , BOLAN J. L.
Published: May 2016

Aus den Cu‐thiophenolaten (I) erhält man mit den Grignard‐Verbindungen (II) die Organo‐Kupferreagentien (III), die mit den ungesättigten Estern (IV) zu den Michael‐ Addukten (V) reagieren.
ChemInform Abstract: Synthesis of Polycyclic Ketones via Carbonylative Cyclization of Organopalladium Compounds Derived from Norbornene and Norbornadiene.
Authors: LAROCK R. C. , TAKAGI K. , BURKHART J. P. , HERSHBERGER S. S.
Published: May 2016

Norbornene (I) reacts with the (1t‐allyl)palladium(II) Compounds (II) to give the adducts (IIIa) and (IIIb), whereas (IIIc) and (IIId) are already known.
ChemInform Abstract: Synthesis and Some Properties of Poly(diacetylene) (Polyenyne) Oligomers.
Authors: WUDL F. , BITLER S. P.
Published: May 2016

The C6 polyenyne (Va) is prepared by coupling the alkynyl zinc compound (I) with (II), followed by reaction with the Grignard reagent (IV).
ChemInform Abstract: On the Preparation of Optically Active Secondary Alcohols from a 1,3‐Dioxan‐4‐one: Substitution with Organocopper Reagents.
Authors: SCHREIBER S. L. , REAGAN J.
Published: May 2016

Aus dem Silylester‐Derivat (I) erhält man mit Heptanal (II) das Dioxanon (III), das durch die Organo‐Lithiumverbindungen (IV) selektiv zu den cis‐Verbindungen (V) geöffnet wird.
ChemInform Abstract: Preparation of Vicinal N‐Alkylamino Alcohols via Acylation‐Rearrangement of Nitrones Followed by Hydride Reduction.
Authors: COATES R. M. , CUMMINS C. H.
Published: May 2016

Aus den Aldehyden (I) und den Hydroxylaminen (II) erhält man die Nitrone (III), die mit Pivaloylehlorid (IV) unter Umlagerung zu den acylierten Hydroxylaminen (V) reagieren.
ChemInform Abstract: Intramolecular [6 + 4] and [4 + 2] Tropone‐Olefin Cycloaddition Reactions.
Authors: FUNK R. L. , BOLTON G. L.
Published: May 2016

Compounds (II) are prepared by intramolecular [6 + 4] cycloaddition reactions of the tropones (I), and compounds (IV), (VI) and (VIII) by the corresponding [4 + 2] cycloaddition reactions of (III), (V) and (VII).
ChemInform Abstract: Reaction of Aldehyde O‐Alkyl Oxime with Organometallic Compounds.
Authors: ITSUNO S. , MIYAZAKI K. , ITO K.
Published: May 2016

Die Ald‐′ oximether (I) reagieren mit den Organo‐Metallverbindungen (II) über die metallierten Imine (III) zu′ den Ketonen (IV).
ChemInform Abstract: Esters and Lactones of Phenolic Amino Carboxylic Acids: Prodrug for Iron Chelation.
Authors: PITT C. G. , BAO Y. , THOMPSON J. , WANI M. C. , ROSENKRANTZ H. , METTERVILLE J.
Published: May 2016

Das Ethylendiamin (I) wird nach Alkylierung mit Bromessigsäureethylester (II) in das Lithiumsalz (III) übergeführt,aus dem das Lacton (IV) erhalten wird.
ChemInform Abstract: Intramolecular Interactions in Radical Cations of Di‐ and Tetra(α‐methoxy)‐9,10‐dihydro‐9,10‐ethanoanthracenes.
Authors: QUAST H. , FUCHSBAUER H.‐L.
Published: May 2016

[4 + 2]Cycloaddition of the anthracenes (I) with the reagents (II), (V), or (VII) yields the compounds (IIIa), (IIIb), or (IIIc), (IIIf) or (IIIc), (IIId) [the yield indicated for (IIIa) refers to the diastereomeric mixture (IIIa)/ (IV) (7:3) formed].
ChemInform Abstract: Metal‐Assisted Aldol Condensation of Chiral α‐Halogenated Imide Enolates: A Stereocontrolled Chiral Epoxide Synthesis.
Authors: ABDEL‐MAGID A. , PRIDGEN L. N. , EGGLESTON D. S. , LANTOS I.
Published: May 2016

Amethodology for preparing chiral α,β‐epoxy esters by a modified Darzens procedure is described.
ChemInform Abstract: Synthesis and Biological Activity of Certain Nicotinic Acid Derivatives.
Authors: OSMAN A. N. , ISMAIL M. M. , BARAKAT M. A.
Published: May 2016

Eine vereinfachte und reproduzierbare Synthese für das Pyridon (III) wird vorgestellt.
ChemInform Abstract: Enantiospecific Synthesis of S‐Quinuclidinol from D‐Glucose: A Strategy for the Synthesis of Chiral Quinuclidines.
Authors: FLEET G. W. J. , JAMES K. , LUNN R. J. , MATHEWS C. J.
Published: May 2016

Aus D‐Glucose erhält man über das Pyranosid (I) in bekannter Weise das cyclische Diol (II), das über (IIIa) in das Azid (IIIc) übergeführt wird.
ChemInform Abstract: Condensation of 4‐Azafluorene with 1,4‐Butanediol and Glycerin.
Authors: PROSTAKOV N. S. , SHALIMOV V. P. , MONTENEGRO CORDOVA G. B. , KRUGLYAK E. V.
Published: May 2016

Das Azafluoren (I) reagiert mit 1,4‐Butandiol (II) in Gegenwart von metallischem Natrium zu Gemischen der beiden Verbindungen (III) und (IV).
ChemInform Abstract: Regio‐ and Stereoselectivity in the Hydrosilylation of Isoprene in the Presence of Rhodium(I) or Ruthenium(II) Complexes with Unsaturated N‐Containing Controlling Ligands.
Authors: BROCKMANN M. , TOM DIECK H. , KLEINWAECHTER I. +
Published: May 2016

Isopren (IV) kann in Gegenwart der Rhodium‐Komplexe (I), (II) oder (III) mit den Silanen (V) regio‐ und stereoselektiv zu den Z‐Butenen (VI) hydrosilyliert werden.
ChemInform Abstract: Synthesis and Steric Structure of Methyl Substituted 1,3‐Dioxa‐2‐silacyclohexanes.
Authors: MUSAVIROV R. S. , NEDOGREI E. P. , LAPUKA L. F. , KANTOR E. A. , SARMANAEV R. S. , RAKHMANKULOV D. L.
Published: May 2016

Durch Umsetzung des Dithiosilans (I) mit den 1,3‐Diolen (II) werden die Methyl‐substituierten 1,3‐Dioxa‐2‐silacyclohexane (III) synthetisiert.
ChemInform Abstract: N‐(Phosphinomethyl) Amino Acids, N‐Bis(phosphinomethyl) Amino Acids and Their Esters.
Authors: ISSLEIB K. , MOEGELIN W. +
Published: May 2016

Die Umsetzung der Triazin‐Derivate (I) mit den Phosphonsäureestern (II) führt zu den als potentielle Herbizide interessanten Phosphinomethvlaminoestern (III); als Nebenprodukte entstehen z.Tl. die Bis‐phosphinomethylverbindun‐ gen (IV).
ChemInform Abstract: Synthesis of gem‐9,9‐Dilithiofluorene by Thermal Rearrangement.
Authors: CHAUHAN H. P. S. , KAWA H. , LAGOW R. J.
Published: May 2016

Fluorenyl‐1ithium (I) liefert beim Erhitzen unter Eliminierung von F1uoren(IIb) durch Disproportionierung die Li‐Verbindungen (IIa), (IIIa) und (IVa), die mit Ethanol zu den entsprechenden Kohlenwasserstoffen (b‐Reihe), mit Trimethylsilylchlorid zu Trimethylsilyl‐Derivaten wie (IIIc) und (IVc) umgesetzt werden.
ChemInform Abstract: Mixed Mercury(II)‐Tetraphosphine Complexes of the Type [Hg(tripod)L]+ and 2+ (tripod: MeC(CH2PPh2)3, L: Anionic or Neutral Phosphorus Ligand).
Authors: PERINGER P. , LUSSER M.
Published: May 2016

Aseries of the new title complexes (III) or (V) is formed (scheme).
ChemInform Abstract: Reaction of o‐Bromomagnesiumbenzyldiphenylphosphine with Tin(II) Chloride. Isolation of a Compound with Direct SnII ‐ SnIV Bond.
Authors: JURKSCHAT K. , ABICHT H.‐P. , TZSCHACH A. , MAHIEU B.
Published: May 2016

Die Grignard‐Verbindung (I) reagiert mit Zinn(II)‐chlorid über die Zwischenstufe (II) zu dem schwerlöslichen und nur begrenzt stabilen Komplex (III), der an der Luft zu dem Triarylzinnhydroxid (IV) hydrolysiert.
ChemInform Abstract: Influence of Hydrogen Ion Activity and General Acid‐Base Catalysis on the Rate of Decomposition of Hydrogen Peroxide by a Novel Nonaggregating Water‐Soluble Iron(III) Tetraphenylporphyrin Derivative.
Authors: ZIPPLIES M. F. , LEE W. A. , BRUICE T. C.
Published: May 2016

The Zn complex (Ia), prepared in analogy to a literature method from 2,6‐dimethylbenzaldehyde, pyrrole, and Zn acetate in Py (185°C, 65 h), is sulfonated with conc.
ChemInform Abstract: Studies of Copper(I) Olefin Complexes. Formation Constants of Copper Olefin Complexes with 2,2′‐Bipyridine, 1,10‐Phenanthroline, and their Derivatives.
Authors: MUNAKATA M. , KITAGAWA S. , KOSOME S. , ASAHARA A.
Published: May 2016

Twenty‐five new copper(I) olefin complexes (I), which are stable in air for several hours at room temp. when completely dried, are prepared by reaction of [Cu(MeCN)4]ClO4 with the appropriate heterocyclic ligand and the olefin in acetone (20°C, l h).
ChemInform Abstract: The Synthesis, Magnetic Properties, and Crystal Structure of Two Copper(II) Complexes Prepared from 2‐Aminomethylpyridine.
Authors: O'CONNOR C. J. , EDUOK E. E. , OWENS J. W. , STEVENS E. D. , KLEIN C. L.
Published: May 2016

2‐Aminomethylpyridine reacted with hydrated copper chloride in EtOH to form the complex (I), which crystallizes in the space group P1 with Z=1.
ChemInform Abstract: A Novel Unsymmetrical Quadridentate Ligand 1‐(2′‐Aminophenyl)‐6‐methyl‐2,5‐diazanona‐1,6‐diene‐8‐one and Its Complexes with Copper(II), Nickel(II) and Palladium(II).
Authors: KWIATKOWSKI E. , KWIATKOWSKI M.
Published: May 2016

Two routes for the preparation of the title compound (III) have been developed (scheme).
ChemInform Abstract: Trimethylenemethane Metal Complexes. Part 1. Synthesis of Ruthenium, Osmium, Rhodium, and Iridium Complexes.
Authors: JONES M. D. , KEMMITT R. D. W. , PLATT A. W. G.
Published: May 2016

2‐[(Methylsu1phony1oxy)methyl]‐3‐trimethyl‐ Vsilylprop‐1‐ene (IIa) and its analogue (IIb), available from 2‐methylprop‐2‐en‐1‐ol (I) as shown, serve as a new entry into 114‐trimethylenemethane metal complexes.
ChemInform Abstract: Kinetics and Mechanism of Molecular A‐Frame Formation. Reactions of cyclo‐Octasulfur and Sulfur Dioxide with Pt2Cl2(μ‐Ph2PCH2PPh2)2 and Related Binuclear Platinum Complexes.
Authors: MURALIDHARAN S. , ESPENSON J. H. , ROSS S. A.
Published: May 2016

A single Satom from S8 inserts into the Pt‐Pt bond of (Ia) to give (II).
ChemInform Abstract: Synthesis of Phenyl β‐Acobioside, a Derivative of the Disaccharide Component of Actinoidins.
Authors: CSANADI J. , SZTARICSKAI F. , BATTA G. , DINYA Z. , BOGNAR R.
Published: May 2016

Entsprechend den im Formelschema skizzierten Umsetzungen werden zunächst das Glucosid (IV) und das Glykosylchlorid (VIc) dargestellt.
ChemInform Abstract: Selective Esterification of Methyl‐4,6‐Di‐O‐benzyl‐α‐D‐mannopyranoside.
Authors: KONG F. , DU J. , WU H.
Published: May 2016

Abhängig von den Reaktionsbedingungen verläuft die regioselektive Veresterung des Mannosids (I) mit den Acylchloriden (II) zu den Monoestern (III) und (IV) mit unterschiedlichen Ausbeuten und Produktverhältnissen; daneben entstehen in einigen Fällen die entsprechenden Diester (V).
ChemInform Abstract: Synthesis of New Aryltetralin Lignans.
Authors: GONZALEZ A. G. , DE LA ROSA R. , TRUJILLO J. M.
Published: May 2016

Condensation of the adduct (I) with the aldehyde (II) affords the epimers (IIIa) and (IIIb); both are oxidized to the same ketone (IIIc).
ChemInform Abstract: Biosynthesis of Coronatine, a Novel Polyketide.
Authors: PARRY R. J. , MAFOTI R.
Published: May 2016

Incorporation of 13C labeled starter units into cultures of Ps. syringae pv. glycinea are used to clarify the biosynthetic route for coronatine (IIa).
ChemInform Abstract: Adsorption of Tl(I) on Mercury in Azide Media has been investigated using the double‐potential step chronocoulometric technique.
Authors: GONZALEZ S. , CARRO P. , AREVALO A.
Published: May 2016

(GONZÄLEZ, S.; CARRO, P.; AREVALO, A.; J. Electroanal.
ChemInform Abstract: Electrocatalysis of Cathodic Reactions on Titanium Dioxide Surfaces Derivatised with Tungstosilicic Acid (SiW12O40)4 ‐ .
Authors: MCEVOY A. J. , GRAETZEL M. +
Published: May 2016

A TiO2 electrode has been modified in l0‐4 M SiW12O40)4 ‐ in a Supporting electrolyte of 0.5 M H2SO4.
ChemInform Abstract: Chemistry of Sulfur Halides. Part 11. UV/VIS Spectroscopic Investigations on the Existence of CF3S(O)I and the Vibrational Spectrum of CF3S(O)Br .
Authors: MINKWITZ R. , LEKIES R.
Published: May 2016

The very unstable compound CF3S(O)I is identified by correlating its UV/VIS absorptions (245, 310, 340 nm) with those of the homologous trifluoromethylsulfinylhalides and by the decomposition products.
ChemInform Abstract: Electrochemical Reduction of Protonated Cyclopentadienylcobalt Phosphine Complexes.
Authors: KOELLE U. , OHST S.
Published: May 2016

The Co complexes (I) and (II) were transformed into the corresponding protonated compounds (yield nearly quantitative) by NH4PF6 in toluene/methanol.
ChemInform Abstract: A Chronoamperometric and Cyclic Voltammetric Study of the Sequential Two‐Electron‐Transfer Process Induced in Binuclear Copper(II) 1,3,5‐Triketonates by Simple Cations. Effect of Cation Variation and Ligand Substitution on the Transfer of Two Electrons at Very Similar Potentials.
Authors: LINTVEDT R. L. , SCHOENFELNER B. A. , RUPP K. A.
Published: May 2016

Simple cations of the alkali and alkaline‐earth metals have been shown to induce the reversible sequential transfer of two electrons at nearly the same potential in complexes (I) and their diamine Schiff base complexes like (III).
ChemInform Abstract: Electrocatalysis by Nickel Complexes. Synthesis of Aromatic or Vinylic Iodides from the Corresponding Bromides.
Authors: MEYER G. , ROLLIN Y. , PERICHON J.
Published: May 2016

The aromatic bromides (I) are transformed into the iodides (II) by electrochemical reduction in the presence of Ni‐salts and potassium iodide.
ChemInform Abstract: Intermolecular Cycloadditions of o‐Quinone Methide N‐Alkylimines with Electron Deficient Olefins.
Authors: ITO Y. , NAKAJO E. , SAEGUSA T.
Published: May 2016

The o‐quinone methide N‐alkylimines (II), which are prepared from the ammonium salts (I), are coupled with the unsaturated compounds (III) or (V) to yield the Diels‐Alder products (IV) or (VI) and (VII).
ChemInform Abstract: Relative Reactivities of Alky1‐Substituted Alkenes and Cycloalkenes Towards Diarylcarbenium Ions.
Authors: MAYR H. , POCK R.
Published: May 2016

Treatment of the diarylcarbenium ions (II) derived from (I) with olefins (III) yields the corresponding adducts (IV) and, in some cases, (V) and/or (VI) as by‐products.
ChemInform Abstract: The Chemistry of Small‐Ring Compounds. Part 50. Anomalous Ozonolysis of Methylenecyclobutanes.
Authors: VAN VELZEN J. C. , VAN TUNEN W. C. J. , DE BOER TH. J.
Published: May 2016

Ozonolysis of the methylenecyclobutane (Ia) ‐ obtained by a known procedure ‐ yields the cyclobutanone (IIa) and the sec. ozonide (III).
ChemInform Abstract: Facile, Temperature‐Dependent Formation of Gaseous C1 and C2 Perfluoroalkyl Hypofluorites.
Authors: MULHOLLAND G. K. , EHRENKAUFER R. E.
Published: May 2016

Aus Natriumtrifluoracetat (I) erhält man mit Fluor die Fluoroxyverbindungen (II) und (III), deren Fluorierungsreaktionen, z.Tl. im Vergleich zu elementarem Fluor und Acetylhypofluorit, untersucht werden.
ChemInform Abstract: N‐Fluoropyridinium Triflate and Its Analogs, the First Stable 1:1 Salts of Pyridine Nucleus and Halogen Atom.
Authors: UMEMOTO T. , TOMITA K.
Published: May 2016

The substituted pyridines (I) react with fluorine at low temperatures to form the N‐fluoropyridiniumfluorides (II), which are transformed into the triflates (III).
ChemInform Abstract: Practical Ways from Aldehydes to 2‐Chloro‐1,1,1‐trifluoro‐2‐alkenes and 2‐Chloro‐1,1‐difluoro‐1‐alken‐3‐ols. Highly Regio‐ and Stereocontrolled Halogenation of 1,1‐Difluoro‐2‐halo‐1‐alken‐3‐ols as Applied to Polyfluorinated Pyrethroid Synthesis.
Authors: FUJITA M. , HIYAMA T.
Published: May 2016

The treatment of the aldehydes (I) with 1,1,1‐trichloro‐2,2,2‐trifluoroethane (II) and zinc in the presence of acetanhydride produces the halogenated olefins (III); with AlCl3 catalysis, (I) and (II) react selectively to give the allyl alcohols (IV).
ChemInform Abstract: Stereospecific Rhodium(I) Catalyzed Desulfurization of Thiiranes.
Authors: CALET S. , ALPER H.
Published: May 2016

The thiirane (I) is desulfurized by reaction with rhodium(I) catalysts in the presence of CO.
ChemInform Abstract: Selective Hydroboration of Alkenes and Alkynes with Thexyl‐2‐butoxyborane in the Presence of Ketones.
Authors: KIM G. P. , YOON N. M.
Published: May 2016

Hydroboration of a 1:1 mixture of 1‐octene (I) and acetophenone (II) ‐ using thexyl‐2‐butoxyborane as reagent ‐ yields after oxidative work‐up the l‐octanol (III) as main product and only small amounts of 2‐octanol (IV) and the phenylethanol (V), leaving the ketone (II) almost intact.
ChemInform Abstract: Reactions with Aziridines. Part 38. Regioselectivity of the Nucleophilic Ring Opening of Activated 2‐Phenylaziridines.
Authors: ONISTSCHENKO A. , BUCHHOLZ B. , STAMM H.
Published: May 2016

The ring of the activated phenylaziridines (I) and (VIII) is opened between and C‐2 by the nucleophiles (II), (IV), (VI) or (IX).
ChemInform Abstract: The Reaction of Carbonyl Compounds with Diiodomethane in the Presence of Samarium: Novel Syntheses of Iodohydrins and Cyclopropanols.
Authors: IMAMOTO T. , TAKEYAMA T. , KOTO H.
Published: May 2016

The carbonyl compounds (I) react with methylen iodide (II) in the presence of SmI2 to form the corresponding adducts (III); the adducts (IV)‐(VII) are obtained in the same way.
ChemInform Abstract: Asymmetric Reductive Amination of Cycloalkanones. Part 5. Synthesis and Absolute Configuration of 2‐Substituted Cyclopentanamines.
Authors: WIEHL W. , FRAHM A. W.
Published: May 2016

Condensation of racemic pentanones (I) with (R)‐(+)‐(II) yields mixtures of the imines (III), giving [with the exception of (IIIf)] optically active and diastereomerically pure cis compounds (IV) on hydrogenation with Raney‐Ni.
ChemInform Abstract: Statistical Synthesis of Rotaxanes.
Authors: SCHILL G. , BECKMANN W. , SCHWEICKERT N. , FRITZ H.
Published: May 2016

The title compounds (III) and (V) are prepared by thermal equilibration [and acid catalysis in the case Cf (III)] from neat macrocycles (I) and either (II) or (IV).
ChemInform Abstract: Formation and Reaction of N‐Substituted Peroxycarboximidic Acids from α‐Azobenzyl Hydroperoxides by Pyridine‐Catalyzed Reaction.
Authors: TEZUKA T. , OTSUKA T. , WANG P.‐C. , MURATA M.
Published: May 2016

The α‐azobenzyl hydroperoxides (I) isomerize in the presence of pyridine to produce a mixture of the benzoic acids (II), the aroyl diazenes (III) and the diaryl compounds (IV).
ChemInform Abstract: The Synthesis of Dibenzo‐Annelated Annulenes Using Reductive Coupling.
Authors: OJIMA J. , YAMAMOTO K. , KATO T. , WADA K. , YONEYAMA Y. , EJIRI E.
Published: May 2016

Oxidative coupling of the′ ethynylaldehydes (I) yields the sym. dialdehydes (IIa)‐(IId) in high yields.
ChemInform Abstract: 1,1,2,2‐Tetrakis(2‐triptycyl)ethylene.
Authors: NAKAYAMA J. , MATSUZAKI K. , TANUMA M. , SAITO K. , HOSHINO M.
Published: May 2016

Oxidation of the twin Diels‐Alder adduct (I) and subsequent reductive coupling of the ketone (II) produce the title compound (III) and small amounts of (IV).
ChemInform Abstract: Photocyclisation Strategy for the Synthesis of Antitumor Agent CC‐1065: Synthesis of Thiophene Analogues of PDE‐I and PDE‐II.
Authors: JONES R. J. , CAVA M. P.
Published: May 2016

Starting with the diketone (I) the thiophene analogues (VII) of two phosphorodiesterase inhibitors are synthesized.
ChemInform Abstract: Chiral Aziridination of Alkenes.
Authors: ATKINSON R. S. , FAWCETT J. , RUSSELL D. R. , TUGHAN G.
Published: May 2016

The oxidation of the N‐aminobenzimidazole (VI) in the presence of the unsaturated ester (VII) or lactones (IX) results in the formation of the aziridines (VIII) or (X).
ChemInform Abstract: Synthesis of Amino Acids and Related Compounds. Part 29. Synthesis and Hypolipidemic Activities of 5‐Thienyl‐4‐oxazoleacetic Acid Derivatives.
Authors: MORIYA T. , TAKABE S. , MAEDA S. , MATSUMOTO K. , TAKASHIMA K. , MORI T. , TAKEYAMA S.
Published: May 2016

Die aus dem Isocyanester (I) nach literaturbekannten Methoden dargestellten α‐Aminoketone (III) reagieren mit den Säurechloriden (IV) zu den N‐Acyl‐Derivaten (V).
ChemInform Abstract: An Efficient and Novel Approach to the Synthesis of 3,4,5,6‐Tetraphenyl‐2(1H)‐pyridinone.
Authors: EAGAN R. L. , OGLIARUSO M. A. , SPRINGER J. P.
Published: May 2016

Tetraphenyl‐ und Triphenyl‐methyl‐cyclopentadienon (Ia) und (Ib) reagieren mit Stickstoffwasserstoffsäure zu den Pyridinonen (III), wobei die Zwischenstufen (II) isoliert werden können.
ChemInform Abstract: C(2)‐Stereocontrol of δ‐Lactones via Acid‐Catalyzed Cyclization of Ketene Dithioacetal having an Internal Hydroxyl Group.
Authors: SUZUKI K. , MASUDA T. , FUKAZAWA Y. , TSUCHIHASHI G.
Published: May 2016

The ketene dithioacetal derivatives (I) are hydrolyzed by HCl in different solvents to yield the spirocyclic dithio ketals (II).
ChemInform Abstract: Synthesis and Activity of 6‐Aryl‐3‐(hydroxypolymethyleneamino)pyridazines in Animal Models of Epilepsy.
Authors: HALLOT A. , BRODIN R. , MERLIER J. , BROCHARD J. , CHAMBON J.‐P. , BIZIERE K.
Published: May 2016

Ausgehend von den Aryl‐substituierten Chlorpyridazinen (I) und dem cyclischen Amin (II) werden die Verbindungen (III) synthetisiert.
ChemInform Abstract: Pyrazinoethylenedithiotetrathiafulvalene: A New Unsymmetrical n‐Donor.
Authors: PAPAVASSILIOU G. C. , YIANNOPOULOS S. Y. , ZAMBOUNIS J. S.
Published: May 2016

Pyrazi‐ notrithiocarbonate (I) reacts with 4,5‐ethylene‐dithio‐1,3‐dithioIe‐2‐thione (II) to form the title compound (V) as the main product.
ChemInform Abstract: Synthesis of [3.3]Heterophanes Containing the Pyridine, Furan, and Thiophene Rings by the TosMIC Method.
Authors: SHINMYOZU T. , HIRAI Y. , INAZU T.
Published: May 2016

Unter Verwendung der (Het)Arylsulfonyl‐isonitrile (II), (V), (VIII) oder (XII) werden mit den Bis‐(brommethyl)‐pyridinen (I) oder (XI) bzw. den Furanen und Thiophenen (XV) Dioxo‐3,3‐heterophane erhalten, die nach Wolff‐Kishner zu den entsprechenden [3,3]Heterophanen reduziert werden.
ChemInform Abstract: Carbene Intermediates in the Reaction of Trialkyl Phosphites with Dialkyl Aroylphosphonates: Formation of Novel Quasiphosphonium Ylides.
Authors: GRIFFITHS D. V. , TEBBY J. C.
Published: May 2016

Dialkylaroylphosphonates (I) react with the alkyl phosphites (II) via the carbenes (IV) to yield the ylides (III).
ChemInform Abstract: Reactions of Fluorophosphoranes with the N,O‐Bis(trimethylsilyl) Derivative of o‐ Aminophenol.
Authors: BARTSCH R. , WEISS J.‐V. , SCHMUTZLER R.
Published: May 2016

The 1:1 molar reaction of the title compound (II) with the tetrafluorophosphoranes RPF4 leads to the benzoxazaphospholes (I) with a trigonal‐bipyramidal structure, confirmed by 19F NMR spectroscopic studies.
ChemInform Abstract: Chemistry of Boron. Part 170. Synthesis and Structure of a 1,3,2,4‐Diphosphadiboretane.
Authors: KOELLE P. + , NOETH H. + , PAINE R. T.
Published: May 2016

Dehydrohalogenation of the (phosphino)(piperidino)borane (II), prepared as shown, produces no compound with a P= B double bond but its diphosphadiboretane dimer (III), whose crystal structure is determined.
ChemInform Abstract: Reductive Selenation of Aliphatic Ketones and Aldehydes by Selenium, Carbon Monoxide, and Water Leading to Symmetrical Diselenides.
Authors: NISHIYAMA Y. , HAMANAKA S. , OGAWA A. , MURAI S. , SONODA N.
Published: May 2016

By reaction with Se, CO and oxygen, the ketones (I) are reductively converted into the symmetrical diselenides (II).
ChemInform Abstract: On the Direct Generation of Episelenonium Ions from Alkenes. An Efficient New Procedure for Effecting Selenylative Arene‐Alkene Carboannulations.
Authors: EDSTROM E. D. , LIVINGHOUSE T.
Published: May 2016

The aralkene derivatives (I) react with N‐phenylseleno‐succinimide (II) in the presence of Lewis acids to give the tetralines (III).
ChemInform Abstract: Oligosilyl‐Mercury and ‐Alkalimetal Compounds.
Authors: HENGGE E. , MITTER F. K.
Published: May 2016

Oligo‐silyl‐mercury compounds such as (I), (III), and (IV) are synthesized from the corresponding siliconmonohydrides by reaction with bis(tert.‐butyl)‐Hg (II), and characterized by spectroscopic data (MS, IR).
ChemInform Abstract: Metallic Copper Catalysis of N‐Arylation of Amines by Triarylbismuth Diacylates.
Authors: BARTON D. H. R. , FINET J.‐P. , KHAMSI J.
Published: May 2016

Aniline (I) reacts with the triphenyl bismuth Compounds (II) in the presence of Cu giving diphenylamine (III).
ChemInform Abstract: Kinetic Aspects of the Iron(III) ‐ and Iron(II) ‐ Tetrakis(N‐methylpyridinium‐ 4‐yl)porphine Systems.
Authors: TONDREAU G. A. , WILKINS R. G.
Published: May 2016

The kinetics of interconversion of (I) and (II) have been studied by dilution relaxation in the weakly basic region (pH 7.0‐8.5) at 25°C. Reduction of the Fe(III) complexes of the title ligand is biphasic, leading to a bisadduct.
ChemInform Abstract: Synthesis and Structure of Metal Complexes of Triaza Macrocycles with Three Pendant Pyridylmethyl Arms.
Authors: CHRISTIANSEN L. , HENDRICKSON D. N. , TOFTLUND H. , WILSON S. R. , XIE C.‐L.
Published: May 2016

The sexidentate ligands (I) and (II) are prepared from the corresponding triaza Compounds by 1:3 molar reaction with 2‐picolyl Chloride in water (pH 9).
ChemInform Abstract: Cobalt(II) Cyanides in Aprotic Media: Effect of Varying Counterion and Solvent.
Authors: CARTER S. J. , FOXMAN B. M. , STUHL L. S.
Published: May 2016

The species present in Co(II) ‐ cyanides mixtures in polar aprotic solvents (DMF, MeCN) are characterized as a function of Co/CN ratio, counterion, and concentration.
ChemInform Abstract: New Route to Bimetallic Imidazolate‐Bridged Complexes. Part 1. Synthesis and Solid‐State Properties of a Homodinuclear (Copper‐Copper) Complex and Its Hetero‐dinuclear (Copper‐Nickel) Homologue. Structure of the Heterodinuclear Complex.
Authors: COSTES J.‐P. , SERRA J.‐F. , DAHAN F. , LAURENT J.‐P.
Published: May 2016

By adding the ligands (I) and imidazole to an ethanolic solution of copper perchlorate in the presence of NEt3 the mononuclear complex (IIa) is obtained, which reacts with the Ni complex (IIb) (prepared as described earlier) in MeOH to yield the heterodinuclear compound (IIIa).
ChemInform Abstract: The Preparation of Vicinal Difluoroolefinic Carbonyl Compounds and Their Application to the Synthesis of Difluororetinal Analogs.
Authors: ASATO A. E. , LIUR S. H.
Published: May 2016

Ethyl acetoacetate (I) is fluorinated by diethylamino sulfur trifluoride (II) and subsequently brominated to (IV).
ChemInform Abstract: A New Irreversible Inhibitor of Soybean Lipoxygenase: Relevance to Mechanism. 12‐Methylidene‐10(Z),13(Z)‐nonadecadienoic Acid, a New Irreversible Inhibitor of Soybean Lipoxygenase.
Authors: COREY E. J. , D'ALARCAO M. , MATSUDA S. P. T.
Published: May 2016

Soybean lipoxygenase brings about conversion of arachidonic acid (I) to the peroxide (II).
ChemInform Abstract: Review of Impedance Plot Methods Used for Corrosion Performance Analysis of Painted Metals
Authors: WALTER G. W.
Published: May 2016

Review: (97 refs.
ChemInform Abstract: Adsorption of CO2 on Clean and Potassium‐Covered Pd(100) Surfaces.
Authors: SOLYMOSI F. , BERKO A.
Published: May 2016

The preadsorption of K is shown to significantly affect the CO2 adsorption behavior of the Pd(lOO) surface; the amount and the rate of CO2 adsorption and the binding energy of CO2 are increased.
ChemInform Abstract: Determination of Metal Particle Size of Highly Dispersed Rh, Ir, and Pt Catalysts by Hydrogen Chemisorption and EXAFS.
Authors: KIP B. J. , DUIVENVOORDEN F. B. M. , KONINGSBERGER D. C. , PRINS R.
Published: May 2016

The results of hydrogen chemisorption and EXAFS are compared for several Pt, Rh, and Ir catalysts supported on SiO2, Al2O3 and TiO2.
ChemInform Abstract: Picosecond Time Resolved Raman Scattering Study of Hydrogen Abstraction by Triplet Excited Benzoquinone.
Authors: ROSSETTI R. , BRUS L. E.
Published: May 2016

The excited state photophysics and H atom abstraction reaction of triplet p‐benzoquinone in mixed HzOzalcohol solvents are investigated on the g 20 ps time scale with time‐resolved resonance Raman spectroscopy.
ChemInform Abstract: A Rate and Product Study of the Effect of Solutes Upon the Solvolysis of Benzyl Toluene‐p‐sulphonate in Aqueous Trifluoroethanol.
Authors: MASKILL H.
Published: May 2016

The presence of NaClO4 gives rise to a kinetic salt effect but does not change the ratio of the products (III)/ (IV) obtained from the title reaction.
ChemInform Abstract: Sulfoxide Induced Acceleration and Enhancement of Geometric Selectivity of a [1,5]‐Sigmatropic Hydrogen Shift.
Authors: OKAMURA W. H. , SHEN G.‐Y. , TAPIA R.
Published: May 2016

At room temp. the sulfoxides (II), which are obtained as intermediates from (I), undergo competitive isomerization to ′give (III) and (IV) via geometrically selective [1,5]‐sigmatropic hydrogen shifts.
ChemInform Abstract: Cycloproparene Series: A Theoretical and Experimental Study of the Cyclopropabenzynes.
Authors: APELOIG Y. , ARAD D. , HALTON B. , RANDALL C. J.
Published: May 2016

The search for a successful elimination method for the dehydrobromination of (I) or (IV) leads to the use of the complex base.
ChemInform Abstract: Thiocarbonyl to Carbonyl Group Transformation Using CuCl and NaOH.
Authors: NARASIMHAMURTHY N. , SAMUELSON A. G.
Published: May 2016

In the presence of Cu(I) compounds and alkali, the thiourea (I) is rapidly converted to the oxo derivative (II).
ChemInform Abstract: Product Ratio Variation in Reactions of o‐(3‐Butenyl)halobenzenes and 6‐Bromo‐1‐hexene with Alkali Metals in Ammonia/tert.‐Butyl Alcohol Solution.
Authors: MEIJS G. F. , BUNNETT J. F. , BECKWITH A. L. J.
Published: May 2016

The product ratio (III)/ (IV) increases strongly as the atomic number of the halogen increases as does the yield of the dimer (V).
ChemInform Abstract: Synthesis and Some Properties of Mixed Perhalo‐Derivatives of 2‐Nitro‐1,3‐butadiene.
Authors: POTKIN V. I. , KABERDIN R. V. , OL'DEKOP YU. A.
Published: May 2016

The reaction of a 1:1 mixture of the pentachloronitrodiene (I) and AlBr3 yields a mixture of the monobromo derivative (II) and the dibromo derivative (III).
ChemInform Abstract: Co(II)Porphyrin Catalyzed Isomerization of Bicyclobutanecarbonitrile.
Authors: MIKI S. , MATSUMURA S. , OHNO T. , YOSHIDA Z.
Published: May 2016

The bicyclobutane carboxylic acid derivatives (Ib) and (Ie) isomerize in the presence of Co(II) porphyrin yielding the cyclobutene compounds (II).
ChemInform Abstract: Cobalt Carbonyl‐Catalyzed Polycarbonylation of Aryl Halides in NaOME/ MeOH Under Photostimulation.
Authors: KASHIMURA T. , KUDO K. , MORI S. , SUGITA N.
Published: May 2016

Under irradiation with carbon monoxide in the presence of sodium methylate and cobalt carbonyl 1,4‐dichlorobenzene (I) reacts to produce the dimethyl terephthalate (II).
ChemInform Abstract: A New Route to 3‐Hydroxyphthalides: Application to the Synthesis of Racemic [5‐13C]Daunomycinone.
Authors: BECKER A. M. , IRVINE R. W. , MCCORMICK A. S. , RUSSELL R. A. , WARRENER R. N.
Published: May 2016

The benzoic acids (I) are converted to the 3‐hydroxyphthalides (VIII) via the oxazolines (II).
ChemInform Abstract: Selective Epoxidation of Allylic Alcohols with Dibutyltin Oxyperoxide.
Authors: KANEMOTO S. , NONAKA T. , OSHIMA K. , UTIMOTO K. , NOZAKI H.
Published: May 2016

Allyl alcohols as (I) are epoxidized with a combination of dibutyl tin oxide and tert‐butyl hydroperoxide.
ChemInform Abstract: Dilithium Tetrachlorocuprate. A Reagent for Regioselective Cleavage of Epoxides to Chlorohydrins.
Authors: CIACCIO J. A. , ADDESS K. J. , BELL T. W.
Published: May 2016

On treatment with dilithium tetrachlorocuprate the epoxides (I) are cleaved to afford the chlorohydrines (II); the isomers (III) are only observed as by‐products.
ChemInform Abstract: A New and Effective Aminomethylation by the Use of N‐(p‐Toluenesulfonylmethyl)‐p‐toluenesulfonamide as an Equivalent of Methanimine. A Convenient Preparation of Pyrrole Compounds.
Authors: KINOSHITA H. , INOMATA K. , HAYASHI M. , KONDOH T. , KOTAKE H.
Published: May 2016

The tosylamide (I) is treated with bases to give the N‐ methylene tosylamide (II), which reacts with nucleophilic agents yielding N‐tosylaminomethylated compounds of the general structure (III).
ChemInform Abstract: New Investigations in the Field of 1,5‐Diazabicyclo[3.3.0]octane‐ 2,4,6,8‐tetrone and Crystal Structure Determination of the Unsubstituted Basic Compound.
Authors: FRITSCH G. , ZINNER G. , MOOTZ D. , SCHERF M. , WUNDERLICH H.
Published: May 2016

Durch Umsetzung des gut zugänglichen Pyrazolindions (I) mit Malonsäuredichloriden (II) erhält man die bicyclischen Verbindungen (III).
ChemInform Abstract: Synthesis of 2,4‐Dihydro‐6‐methyl‐4‐phenyl‐2‐(4‐substituted phenyl)pyrazolo[3,4‐d]‐1,2,3‐triazole Derivatives and Their Use as Fluorescent Whiteners for Polyester Fibres.
Authors: RANGNEKAR D. W. , TAGDIWALA P. V.
Published: May 2016

Als potentielle optische Aufheller für Polyester werden die im Titel genannten Verbindungen (VI), (VIII), (X) und (XII) auf dem gezeigten Weg hergestellt.
ChemInform Abstract: Reactions of Pyridyl and Quinolyl sulfoxides with Grignard Reagent: A Convenient Preparation of Pyridyl and Quinolyl Grignard Reagents.
Authors: FURUKAWA N. , SHIBUTANI T. , MATSUMURA K. , FUJIHARA H. , OAE S.
Published: May 2016

The hetaryl sulfoxides (I) react with the phenyl Grignard reagent (II) to produce the hetaryl Grignard reagents (III), which are then combined with carbonyl compounds such as (IV), yielding adducts such as (V)‐(XII).
ChemInform Abstract: Silicon ‐ Oxygen and Acyl ‐ Oxygen Bond Cleavage in Reactions of Sterically Hindered Organosilicon Carboxylates.
Authors: AYOKO G. A. , EABORN C.
Published: May 2016

Because of steric hindrance to attack at the functional Si centre in the Compounds (II), nucleophiles in MeOH can preferentially attack at the CO group to give (I) rather than at Si as would be usual for less hindered Si carboxylates.
ChemInform Abstract: Preparation and Some Reactions of Compounds of the Type (Me3Si)2‐C(SiMe2OMe)‐(SiMe2X) . Anchimeric Assistance by the Methoxy Group.
Authors: AL‐WASSIL A. I. , EABORN C. , ROMANELLI M. N.
Published: May 2016

The title compounds (II) are prepared as shown.
ChemInform Abstract: Bis(2‐(2‐pyridyl)phenyl)tritelluride. Synthesis and Crystal Structure.
Authors: HAMOR T. A. , AL‐SALIM N. , WEST A. A. , MCWHINNIR W. R.
Published: May 2016

The reduction of (I) with sodium borohydride produces the tritelluride (II) which is converted to the ditelluride (III).
ChemInform Abstract: Reactions of Chromotricarbonyl‐allylbenzenes in Alcaline Medium.
Authors: GENTRIC D. , LE BIHAN J.‐Y. , SENECHAL‐TOCQUER M.‐C. , SENECHAL D. , CARO B.
Published: May 2016

The allyl benzene chromocarbonyl complexes (I) couple with the oxalic ester (II) to produce the dienes (III).
ChemInform Abstract: Main Group Chemistry on a Metal Framework: Reactions of [(μ‐H)Fe3(CO)9BH2R‐ (R: H, CH3) with Lewis Bases.
Authors: HOUSECROFT C. E. , FEHLNER T. P.
Published: May 2016

The reactions of the title clusters (I) with the Lewis bases CO, PMe2Ph, NEt3, and H2O are explored.
ChemInform Abstract: Complexes of 2‐Trialkylsilyl Butadienes with Iron Tricarbonyl: Friedel‐ Crafts Type Reactions, Double Acylation with the Same Diene Systems.
Authors: FRANCK‐NEUMANN M. , SEDRATI M. , MOKHI M.
Published: May 2016

The 2‐trialkylsilyl‐butadienes (IV) are obtained from the acetylene (I) and converted to the iron tricarbonyl complexes (VII).
ChemInform Abstract: Synthesis of 1,1‐Dicyano‐2,4‐diaryl‐1,3‐butadienes. A Novel Chromophore.
Authors: GOKHALE U. V. , SESHADRI S.
Published: May 2016

Aus Acetophenon (I) werden durch Umsetzung mit Malodinitril lind anschließende Kondensation mit den Aldehyden (IV) lichtechte und brillante Dispersionsfarbstoffe (V) in den Farbtönen Gelb bis Rot erhalten.
ChemInform Abstract: Stereoselective Synthesis of Pyrrolizidine Alkaloids via Substituted Nitrones.
Authors: LATHBURY D. , GALLAGHER T.
Published: May 2016

Starting with the alkynol (I), a mixture of the oximes (II) and (III) is obtained.
ChemInform Abstract: Prostaglandin Synthesis. Part 12. Synthesis of (7E)‐ and (7Z)‐Punaglandin 4. Structural Revision.
Authors: SUZUKI M. , MORITA Y. , YANAGISAWA A. , NOYORI R. , BAKER B. J. , SCHEUER P. J.
Published: May 2016

The compounds (VIII) and (IX) are synthesized by coupling of the key intermediates (III) and (VII).
ChemInform Abstract: A Novel Synthesis of Prostaglandin D2.
Authors: OGAWA Y. , NUNOMOTO M. , SHIBASAKI M.
Published: May 2016

In der im Formelschema skizzierten Weise wird das Prostaglandin D2 (IV) hergestellt.
ChemInform Abstract: L‐Aspartic Acid in Acyclic Stereoselective Synthesis. Synthetic Studies on Amphotericin B.
Authors: MCGARVEY G. J. , WILLIAMS J. M. , HINER R. N. , MATSUBARA Y. , OH T.
Published: May 2016

L‐Aspartic acid (I) is converted to the β‐amino carbonyl species (V) and (VIII), the regiospecific NaBH4 reduction of the protected anhydride (III) being the key step in this procedure.
ChemInform Abstract: A Novel Electron Count and Metal‐Metal Multiple Bonding in Trigonal Prismatic Clusters.
Authors: WHEELER R. A. , HOFFMANN R.
Published: May 2016

The recently prepared and structural characterized trigonal prismatic Clusters (Tc6C12)2‐ and (Tc6C14)3‐ show novel electron counts and unusually short meta1‐meta1 bonds.
ChemInform Abstract: Crystal Structures of Sr(OH)2 H2O, Ba(OH)2‐ H2O (o.‐rh. and mon.), and Ba(OH)2‐3 H2O.
Authors: BUCHMEIER W. , LUTZ H. D.
Published: May 2016

The crystal Structures of Ba(OH)2 ‐ 3 H2O (Pnma, Z=4), γ‐Ba(OH)2 ‐ H2O (P2,/m, Z=2), and the isotypic Sr(OH)2‐ H2O and β‐Ba(OH)2‐ H2O (Pmc2" Z=2) are determined by single crystal X‐ray diffraction.
ChemInform Abstract: Crystal Structure of 1:1 Gadolinium/Ytterbium Orthophosphate.
Authors: MULLICA D. F. , GROSSIE D. A. , BOATNER L. A.
Published: May 2016

Gd0‐5Yb0‐5PO4 crystallizes in the tetragonal system, space group 141/ amd with Z=4.
ChemInform Abstract: The Electrochemistry of Nitrate‐Amide Melts: The Effect of Melt Acidity on the Discharge Characteristics of Lithium Anodes in Room Temperature Nitrate‐Amide Melts.
Authors: MCMANIS G. E. , FLETCHER A. N. , BLISS D. E. , MILES M. H.
Published: May 2016

In neutral nitrate‐amide melt, a relatively stable passivating film rapidly forms on Li anodes.
ChemInform Abstract: The Influence of Temperature and the Role of Chromium in the Passive Layer in Relation to Pitting Corrosion of 316 Stainless Steel in NaCl Solution.
Authors: PALLOTTA C. , DE CRISTOFANO N. , SALVAREZZA R. C. , ARVIA A. J.
Published: May 2016

In nearly neutral NaCl solution, no pitting is observed at 316 stainless steel at temp. below 0°C. In the 0‐15°C range, the breakdown potential shifts slightly in the negative direction.
ChemInform Abstract: Characterization of a Titanium‐Promoted Supported Platinum Electrocatalyst.
Authors: BEARD B. C. , ROSS P. N. JUN.
Published: May 2016

Highly dispersed Ti‐promoted Pt electrocatalysts have been prepared by impregnation of a commercial Pt/carbon black catalyst with a TiCl4 solution.
ChemInform Abstract: Epitaxial Growth and Properties of AlxGa1‐x N by MOVPE
Authors: KOIDE Y. , ITOH H. , SAWAKI N. , AKASAKI I. , HASHIMOTO M.
Published: May 2016

Epitaxial layers of AlxGa1‐xN alloys are grown on sapphire (0001) and n‐Si (III) Substrates by MOVPE (trimethyl gal1ium, trimethyl Al, NH3; ambient H2 gas at atmospheric pressure).
ChemInform Abstract: Synthesis of Au2S and Au2S3 Using H2S, Short‐Chain and Ring‐Structured Sulfur as Sulfur Sources.
Authors: SENFTLE F. E. , WRIGHT D. B.
Published: May 2016

Strong acidic solutions of trivalent gold react with electrolytically formed short‐chain sulfur, ring sulfur (an‐sulfur), and H2S as shown in the scheme.
ChemInform Abstract: The Macrocyclic and Cryptate Effects. Part 5. Complexation of Alkali Ions by Monocyclic and Bicyclic Ligands in Methanol.
Authors: BUSCHMANN H.‐J.
Published: May 2016

The complexation of Li+, Na+, K+, Rb+ and Cs+ by the ligands (I) and (II) is studied in methanol by calorimetric and potentiometric titrations.
ChemInform Abstract: Chemistry of Methyl 1‐Butyl‐cyclopropene‐3‐carboxylate. The Role of Transition Metal in Reaction Control.
Authors: CONDE‐PETINIOT N. , HUBERT A. J. , NOELS A. F. , WARIN R. , TEYSSIE PH.
Published: May 2016

Reaction of the hexyne (I) with the diazoacetate (II) in the presence of rhodium acetate gives the isomeric bicyclobutanes (III).′The reaction proceeds via the intermediate cyclopropene (IV).