bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Sterically‐Driven Anhydride Formation.
Authors: BELLETIRE J. L. , CONROY G. M.
Published: May 2016

The benzyloxyphenylbutyric acid (VI), prepared by known methods, undergoes oxidative coupling to form the diacid (VII) which is cyclized, yielding the anhydrides (VIII).
ChemInform Abstract: Synthesis and Properties of Cyclohepta(fg)naphth(2,3‐a)acenaphthylene‐5,12‐dione (Naphth(2,3‐h)acepleiadylene‐5,12‐dione).
Authors: TSUNETSUGU J. , TANAKA S. , EBINE S. , MORINAGA K.
Published: May 2016

The title compound (IV) is synthesized by the cycloaddition reaction of the dione (II) (readily accessible from (I)) with o‐bromoquinodimethane generated in situ from the precursor (III).
ChemInform Abstract: The C‐Alkylation of Ascorbic Acid.
Authors: POSS A. J. , BELTER R. K.
Published: May 2016

Ascorbic acid (I) is converted to a monopotassium salt and then treated with the allylic bromides (II), yielding the allylated ketohexulosonic acid lactones (III).
ChemInform Abstract: Generation, Cycloadditions, and Tautomerism of N‐Acyl Munchnones.
Authors: WILDE R. G.
Published: May 2016

The 5‐siloxyoxazoles (I) are treated with the acyl chlorides (II) to form the munchnones (III) which rearrange at higher temperatures to give the regioisomers (VI) via ketene intermediates.
ChemInform Abstract: Synthesis of New Thiazolidinone Derivatives as Biologically Active Agents.
Authors: SEN GUPTA A. K. , PANDEY A. K.
Published: May 2016

The thiadiazolyliminothiazolidinones (V) and the benzylidene derivatives (VII) are synthesized as shown in the reaction scheme.
ChemInform Abstract: An Efficient Synthesis of 3,4‐Dihydro‐4‐imino‐2(1H)‐quinazolinones.
Authors: REDDY A. V. N. , KAMAL A. , SATTUR P. B.
Published: May 2016

The o‐aminobenzonitriles (I) undergo cycloaddition with chlorosulfonyl isocyanate (II) to form the title compounds (IV) after hydrolysis of the intermediates (III).
ChemInform Abstract: IR Spectra and Structures of Lithium‐Benzene and Lithium‐Dibenzene Complexes in Solid Argon.
Authors: MANCERON L. , ANDREWS L.
Published: May 2016

Cocondensation of Li and Na atoms with benzene diluted in argon produces new IR absorptions attributed to mono‐ and dibenzene complexes in the case of Li but not with Na.
ChemInform Abstract: Gas‐Phase Reactions of Bis(η5‐cyclopentadienyl)methylzirconium(1+) with Dihydrogen, Ethylene, and Propylene.
Authors: CHRIST C. S. , EYLER J. R. , RICHARDSON D. E.
Published: May 2016

In order to compare solution‐phase and gas‐phase reactions at metal centers the ion‐molecule reactions of the cationic d0 zirconium(IV) methyl title complex are investigated.
ChemInform Abstract: Generation and Trapping of Transient cis‐(η1‐Phosphinidene)(η1‐carbene)tetracarbonyltungsten Complexes.
Authors: LE FLOCH P. , NGOC HOA TRAN HUY NGOC HOA TRAN HUY , MATHEY F.
Published: May 2016

The phosphole (I) is converted to the phosphanorbornadiene complexes (VI), which serve as precursors of the title complexes (VII).
ChemInform Abstract: Chemical Reaction of Metallic Copper with Imidazole.
Authors: XUE G. , JIANG S. , HUANG X. , SHI G. , SUN B.
Published: May 2016

IR and X‐ray photoelectron spectroscopic investigations show that in the title reaction the complex (I) is formed as a polymeric film on the surface of copper.
ChemInform Abstract: Direct Osmylation of Benzenoid Hydrocarbons. Charge‐Transfer Photochemistry of Osmium Tetroxide.
Authors: WALLIS J. M. , KOCHI J. K.
Published: May 2016

Direct Osmylation of Benzenoid Hydrocarbons.
ChemInform Abstract: The 4α‐Demethylation of Lanostenone.
Authors: CARR K. , SAXTON H. M. , SUTHERLAND J. K.
Published: May 2016

Cyclopalladiation of lanostenone oxime (I) affords the dimeric complex (II) which is transformed in 5 steps to the alcohol (VI).
ChemInform Abstract: Synthetic Studies on Antitumor Antibiotic, Bleomycin. Part 24. Man‐Designed Bleomycins. Synthesis of Dioxygen Activating Molecules and a DNA Cleaving Molecule Based on Bleomycin‐Fe(II)‐O2 Complex.
Authors: KITTAKA A. , SUGANO Y. , OTSUKA M. , OHNO M.
Published: May 2016

The compound (VI) is synthesized starting from the readily available aldehyde (I).
ChemInform Abstract: Growth and Etching of Germanium Films by Chemical Vapor Deposition in a GeCl4‐H2 Gas System
Authors: ISHII H. , TAKAHASHI Y.
Published: May 2016

are studied in the temp. range 490‐565 °C. At GeCl4 partial pressures < 2·10‐3 torr, epitaxial growth of Ge on Ge(100) surfaces is observed, whereas at higher GeCl4 pressures etching of the Ge film occurs.
ChemInform Abstract: Electrochemical Studies of Magnesium Ions in Magnesium Chloride Containing Chloride Melt at 710 .+‐.10 °C
Authors: RAO G. M.
Published: May 2016

are performed by steady state and cyclic voltammetry, chronopotentiometry and ‐amperometry in a controlled argon atmosphere.
ChemInform Abstract: Oxidation of Silver Films by Atomic Oxygen
Authors: MOORE W. M. , CODELLA P. J.
Published: May 2016

is studied as a function of temp., film thickness, and atomic oxygen concentration.
ChemInform Abstract: (Mesityl)2Ge(fluorenylidene) ‐ Stabilization of a Ge‐C Double Bond by Charge Transfer into an Aromatic System.
Authors: LAZRAQ M. , ESCUDIE J. , COURET C. , SATGE J. , DRAEGER M. + , DAMMEL R.
Published: May 2016

The compound (III), thermally very stable, is converted into (IV) (P1, Z=4) by heating in a sealed tube.
ChemInform Abstract: Kinetic Study of Halide Ionization from Cobalt(III) Porphyrin Complexes. Rate Enhancements Produced by Hydrogen Bonding to the Halide and by Steric Congestion from Coordinated 2‐Substituted Imidazoles.
Authors: MAHMOOD A. , LIU H. , JONES J. G. , EDWARDS J. O. , SWEIGART D. A.
Published: May 2016

The reaction of chloro‐ (or bromo)tetraphenylporphyrinatocobalt(III) with a variety of mono‐ or disubstituted imidazoles is investigated in acetone and CH2Cl2 by spectroscopic methods and conductivity measurements.
ChemInform Abstract: Tungstic Acid ‐ Hydrogen Peroxide. A Simple Reagent for the Oxidation of Cycloocta‐1,5‐diene. Preparation of Z‐Cyclooct‐5‐ene‐trans‐1,2‐diol and 1,6‐Di(methoxycarbonyl)‐Z‐hex‐3‐ene.
Authors: SINGH V. , DEOTA P. T.
Published: May 2016

The conversion of the cyclooctadiene (I) into the acyclic dialdehyde (III) by hydroxylation and subsequent periodate cleavage of the trans‐diol (II) is also performed as a one‐pot procedure.
ChemInform Abstract: Synthesis of Cyclic α,α′‐Disubstituted α‐Alkyl‐γ‐hydroxy‐α,β‐enones from α‐Phenylthio‐α,β‐enones.
Authors: JOROWICKI K.
Published: May 2016

The phenylsulfenylcyclopentenones (I) are alkylated and then treated with m‐chloroperbenzoic acid to form the 4‐hydroxycyclopentenones (V) via the benzenesulfinates (IV).
ChemInform Abstract: Studies on Fluoroalkylation and Fluoroalkoxylation. Part 26. Wilkinson′s Catalyst‐Induced Addition of Fluoroalkyl Iodides to Olefins.
Authors: CHEN Q.‐Y. , YANG Z.‐Y.
Published: May 2016

Coupling of the fluoroalkyl iodides (I) with the terminal olefins (II) in the presence of Wilkinson's catalyst gives the adducts (III).
ChemInform Abstract: Relative Electrophilic Reactivities of Tropylium Cation and Its (OC)3M π‐Complexes: Kinetic Studies of Alkoxide Transfer and Reversible Nucleophilic Addition.
Authors: LAL K. , LECKEY N. T. , WATTS W. E. , BUNTON C. A. , MHALA M. M. , MOFFATT J. R.
Published: May 2016

π‐Complexation of the tropylium cation with an Cr(CO)3 group giving (Ia) increases thermodynamic stability and reduces reactivity toward abstraction of methoxide ion from Malachite Green methyl ether (MGOMe) in MeNO2‐MeCOEt (40:60) and nucleophilic exo‐addition of methanol in methanol.
ChemInform Abstract: A Convenient Synthesis of 2‐t‐Alkyldioxy‐2‐methyl‐1‐propanols.
Authors: HIGUCHI Y. , MATSUYAMA K. , KOMAI T.
Published: May 2016

In the presence of catalytic amounts of acids such as TFA, the reaction between the tert.‐alkyl hydroperoxides (I) and the epoxide (II) affords the title compounds (III).
ChemInform Abstract: Synthesis and Properties of a Bridged syn‐Tricyclo(4.2.0.02,5)octa‐3,7‐diene. Evidence for the Formation of Propella(34)prismane.
Authors: GLEITER R. , KARCHER M.
Published: May 2016

Treatment of the easily accessible complex (I) with Ce(IV) yields the title compound (II).
ChemInform Abstract: Synthesis of Bicyclo(2.2.1)hept‐2‐enes with Mono‐ and Disubstituted Long Perfluorinated Chains CnF2n+1 (n = 4, 6, 8, 10). Investigation of Association in Solution by 19F‐NMR. Study of Polymerization via a Metathetic Reaction.
Authors: PEREZ E. , LAVAL J. P. , BON M. , RICO I. , LATTES A.
Published: May 2016

The title compounds (III) and (IV) are formed by Diels‐Alder reaction of the fluoroolefins (II) with cyclopentadiene (I).
ChemInform Abstract: Fluoroalkylation and Fluoroalkoxylation. Magnesium Single‐Electron‐Transfer Induced Synthesis of 2‐Fluoroalkylpyrroles.
Authors: CHEN Q.‐Y. , QUI Z.‐M.
Published: May 2016

Pyrrole (I) is regioselectively alkylated with the perfluoroalkyl iodides (II) in the presence of magnesium which induces single electron transfer.
ChemInform Abstract: Aminophthalazinone Derivatives. Part 12. Methods for the Synthesis of Imidazo(2,1‐a)phthalazine and Pyrimido(2,1‐a)phthalazine Ring Systems. Part 2. Thermal Transformation of Acyloxyalkylaminopthalazinones.
Authors: KOERMENDY K. + , RUFF F. , KOEVESDI I. +
Published: May 2016

O‐acetyl derivatives of the phthalazinones (I) and (VII) undergo proton‐catalyzed ring‐closure reactions in the melt to give the title ring systems (III) and (VIII), respectively.
ChemInform Abstract: Inter‐ and Intramolecular Rearrangements of Triallyl Cyanurates.
Authors: LIKHTEROV V. R. , KLENOVICH S. V. , ETLIS V. S. , TSAREVA L. A. , POMERANTSEVA E. G. , SHMUILOVICH S. M.
Published: May 2016

Copper‐catalyzed reaction of triallyl cyanurate (I) with allyl alcohol, acetic acid, or chloroacetic acid (II) gives predominantly diallyl isocyanurate (III) and the allyl ether (esters) (V).
ChemInform Abstract: A New Phosphor‐Organic Complexon Containing Pyridine. 2,6‐Bis(dihydroxyphosphorylmethyl)pyridine.
Authors: KABACHNIK M. I. , POLIKARPOV YU. M. , BODRIN G. V. , BEL'SKII F. I.
Published: May 2016

Coupling of the bis(chloromethyl)pyridine (I) with triethyl phosphite (II) and subsequent hydrolysis give the bis(phosphonomethyl)pyridine (III).
ChemInform Abstract: Synthesis and Multinuclear NMR Spectroscopy of Some Four‐ and Five‐Membered Tin‐Nitrogen Heterocycles.
Authors: STADER C. , WRACKMEYER B. , SCHLOSSER D.
Published: May 2016

13C, 15N, 29Si, 119Sn NMR data of the Sn‐N heterocycles (I)‐(VII) are discussed in terms of the structural influence.
ChemInform Abstract: Reaction of Sodium‐dimethyl‐bismuthide with α,ω‐Dibromoalkanes and Halogenomethyl‐trimethyl‐metallanes (M: Si, Ge, Sn).
Authors: WIEBER M. , RUDOLPH K.
Published: May 2016

The bis(dimethylbismuthino)alkanes (III) are prepared according to the scheme; only (Ic) is isolated as a pure compound.
ChemInform Abstract: Synthesis of Metallacyclobutanes and Metallacyclobutabenzenes of Molybdenum and Tungsten.
Authors: DE BOER H. J. R. , VAN DE HEISTEEG B. J. J. , SCHAT G. , AKKERMAN O. S. , BICKELHAUPT F.
Published: May 2016

The metallocene dichlorides (I) react with the divalent Grignard compound (II) to form the dicyclopentadienyl metallacyclobutanes (III).
ChemInform Abstract: Site Specific Substitutions at Mixed Metal Clusters.
Authors: BANTEL H. , BERNHARDT W. , POWELL A. K. , VAHRENKAMP H.
Published: May 2016

The phosphane substitution chemistry is investigated for the FeCo2 cluster (I) and the RuCo2 clusters (IV), (VIII), and (XI).
ChemInform Abstract: Metalation and Transmetalation of a Binuclear Complex of Nickel(0). Molecular Alloys of Nickel and Palladium.
Authors: NI J. , FANWICK P. E. , KUBIAK C. P.
Published: May 2016

The Ni(0) compound (I) is metalated with the Pd complex salt (II) to give (III), which crystallizes in P21/c with Z=2.
ChemInform Abstract: Fused Heterocycles with a Thiazole Ring. Part 14. Characteristics of the Electron Spectra of Symmetrical Polymethine Dyes in the Thiazolo‐(3,4‐b)(1,2,4)triazine Series.
Authors: KOVTUN YU. P. , KACHKOVSKII A. D. , ROMANOV N. N.
Published: May 2016

Reaction of the thiazolotriazinium salt (I) with Meldrum's acid (II) gives the condensation product (III) which is cleaved, forming the methyl compound (IV).
ChemInform Abstract: Electron Density Study of Thiotrithiazyl Chloride, S4N3Cl.
Authors: JOHANSEN H.
Published: May 2016

Ab initio restricted Hartree‐Fock calculations show the seven‐membered ring in the S4N3Cl molecule to be significantly influenced by the presence of chlorine.
ChemInform Abstract: Growth of GaInAsSb Alloys by MOCVD and Characterization of GaInAsSb/GaSb p‐n Photodiodes.
Authors: BOUGNOT G. , DELANNOY F. , FOUCARAN A. , PASCAL F. , ROUMANILLE F. , GROSSE P. , BOUGNOT J.
Published: May 2016

Epitaxial Ga1‐xInxSb solid solutions with x ≤ 0.5 are grown on GaSb and GaAs substrates by atmospheric pressure metal organic chemical vapor deposition (MOCVD) and the electrical and optical properties are described.
ChemInform Abstract: The Low Pressure Chemical Vapor Deposition (LPCVD) of in situ Boron‐Doped Polysilicon
Authors: MARITAN C. M. , BERNDT L. P. , TARR N. G. , BULLERWELL J. M. , JENKINS G. M.
Published: May 2016

from a B2H6/SiH4 mixture is studied between 450 and 600 °C and a reactant ratio varying from 0.002 to 0.02.
ChemInform Abstract: Thermochemistry of Alkali Interactions with Refractory Adsorbents.
Authors: SHADMAN F. , PUNJAK W. A.
Published: May 2016

Investigation of kinetics and mechanism of thermochemical interactions between alkali metal vapors and refractory adsorbents show that the alkali metal capturing process is a combination of physisorption, chemisorption, and chemical reaction.
ChemInform Abstract: Synthesis and Characterization of Potassium, Cesium, and Ammonium Oxotetrafluorotitanates(IV).
Authors: CHAUDHURI M. K. , DAS B. E.
Published: May 2016

Potassium and ammonium oxotetrafluorotitanates(IV) are prepared by the novel high yield synthetic route outlined in the scheme, while the corresponding Cs salt can be obtained from the ammonium salt by metathesis.
ChemInform Abstract: Electrochemical Studies of Dimeric Rhodium(III) Porphyrins Containing a Dibasic Nitrogen‐Heterocyclic Bridging Ligand.
Authors: LIU Y. H. , ANDERSON J. E. , KADISH K. M.
Published: May 2016

The Rh(III) dimers (Ic), containing nonconjugated bridging ligands, undergo one irreversible metal‐centered reduction in THF or CH2Cl2, whereas two overlapping irreversible metal center reductions are observed for (Ia) and (Ib), which are linked via conjugate bridging ligands.
ChemInform Abstract: Electron‐Gain and Electron‐Loss Centers Derived from Chloro Amines (I).
Authors: CHANDRA H. , BATHGATE A. , MALPASS J. R. , MOSS R. E. , SYMONS M. C. R.
Published: May 2016

Exposure of dilute solutions of (I) in CCl3F to 60Co γ‐rays at 77 K gives the corresponding radical cations (I)+·, characterized by 14N, 35Cl, and 1H hyperfine coupling.
ChemInform Abstract: Homogeneous Hydrogenation of Tetrasubstituted Alkene Moieties in Prochiral Didehydro Amino Acid Derivatives Catalyzed by Iridium Complexes.
Authors: CABEZA J. A. , CATIVIELA C. , DIAZ DE VILLEGAS M. D. , ORO L. A.
Published: May 2016

In order to obtain new optically active amino acid precursors, the hydrogenation of prochiral didehydro amino acid derivatives such as (I) or (II) is investigated under very mild conditions (1 atm of H2, 293 K) by using iridium complexes of the type (Ir(cod)(bzn)(L)) (ClO4) (bzn: benzonitrile, L: tricyclohexylphosphine, (‐)‐neomenthyldiphenylphosphine, or (+)‐phenyl‐(o‐methoxyphenyl)methylphosphine) as catalyst precursors.
ChemInform Abstract: Clay Montmorillonite: An Efficient, Heterogeneous Catalyst for Michael Reactions of Silyl Ketene Acetals and Silyl Enol Ethers with α,β‐Unsaturated Carbonyl Compounds.
Authors: KAWAI M. , ONAKA M. , IZUMI Y.
Published: May 2016

Aluminum ion‐exchanged montmorillonite is employed in the title reaction, i.e. coupling of silyl ketene acetals such as (II), (VII), (X) or the silyl enol ether (XII) with enoates such as (I), (IV), (VI) or enones such as (XI) to give either the silylated or the hydrolyzed (cf.
ChemInform Abstract: The Reaction of α,β‐Epoxysilanes with Metallated Alkylaryl Sulfones. A Novel Approach to Allylic Alcohols.
Authors: MASNYK M. , WICHA J.
Published: May 2016

The alkyl phenyl sulfones (I) are α‐lithiated and then coupled with the silyloxirane (II).
ChemInform Abstract: Preparation of N,O‐Aminals as Synthetic Equivalents of H2C=NAr and (H2C=NHAr)+ Ions: Neutral‐ and Acid‐Promoted Transformations.
Authors: BARLUENGA J. , BAYON A. M. , CAMPOS P. , ASENSIO G. , GONZALEZ‐NUNEZ E. , MOLINA Y.
Published: May 2016

A general method for the synthesis of N,O‐acetals such as (IV) derived from the primary aromatic amines (I) is described.
ChemInform Abstract: Selective, Heterogeneous Oxidation of Alcohols and Diols with Potassium Permanganate.
Authors: JEFFORD C. W. , WANG Y.
Published: May 2016

Oxidation of the alcohols (I) or the diols (III) and (V) with solid KMnO4/CuSO4·5H2O in the presence or absence of a base yields the acids (II) or the lactones (IV) and (VI).
ChemInform Abstract: (Imidazo(1,2‐a)pyrimidin‐2‐yl)phenylmethanones and Related Compounds as Potential Nonsedative Anxiolytics.
Authors: CLEMENTS‐JEWERY S. , DANSWAN G. , GARDNER C. R. , MATHARU S. S. , MURDOCH R. , TULLY W. R. , WESTWOOD R.
Published: May 2016

The 2‐aminobenzothiazoles (I) undergo cyclocondensation with the bromopyruvate (II) to yield the fused imidazoles (III).
ChemInform Abstract: Reactions of 3‐Bromo‐2,3‐dihydro‐ and 2,3‐Dibromo‐4H‐1‐benzothiopyran‐4‐one 1,1‐Dioxides with Various Amines.
Authors: WATANABE S. , NAKAZUMI H. , KITAO T.
Published: May 2016

Two types of products, i.e. the compounds (III), (V) and the compounds (VI), (VII), (X), (XII) are obtained from reactions of the title compound (I) with various prim., sec., and tert. alkyl‐ and arylamines (II), (IV), (VIII), (IX), (XI) as shown in the scheme.
ChemInform Abstract: Electron Transfer Photochemistry of 1,8‐Naphthalimide and Phenylcyclopropane.
Authors: MAZZOCCHI P. H. , ODA K.
Published: May 2016

Irradiation of 1,8‐naphthalimide (I) and phenylcyclopropane (II) in benzene results in formation of the spiro ether (III).
ChemInform Abstract: New Imidazo(4,5‐b)pyridinecarboxylic Acids and Their Derivatives with Expected Tuberculostatic Activity.
Authors: BUKOWSKI L. , JANOWIEC M.
Published: May 2016

Reaction of the diamine (I) with acetic anhydride (II) yields the imidazopyridine (III).
ChemInform Abstract: 1‐Methyl‐1,2,3‐benzotriazin‐4(1H)‐one.
Authors: BOULTON A. J. , DEVI P.
Published: May 2016

Reaction of the benzotriazinone (I) with ethyl vinyl ether (II) yields the adduct (III) which is methylated with the triflate (IV) to give the N‐methylbenzotriazinonium salt (V).
ChemInform Abstract: Improved Synthesis of Methyl 2,6‐Dimethyl‐4‐(2‐nitrophenyl)‐5‐(2‐oxo‐1,3,2‐dioxaphosphorinan‐2‐yl)‐1,4‐dihydropyridine‐3‐carboxylate (DHP‐218).
Authors: MORITA I. , TSUDA M. , KISE M. , SUGIYAMA M.
Published: May 2016

The dihydropyridine derivative (X) mentioned in the title is a new calcium antagonist.
ChemInform Abstract: Reactions of (WI2(CO)(NCMe)(η2‐RC2R)2) (R: Me, Ph) with Pyridines and Related Ligands. X‐Ray Crystal Structure of (WI(CO)(bpy)(η2‐MeC2Me)2) (BPh4).
Authors: BAKER P. K. , ARMSTRONG E. M. , DREW M. G. B.
Published: May 2016

The title reactions are outlined in the scheme.
ChemInform Abstract: Polynuclear Metal Complexes with Bridging Carbene or Carbyne Ligands. Part 75. Reactions of Octacarbonyldicobalt with the Salts (X) (W(CR)(CO)2(η5‐C2B9H9Me2)) (X: NEt4 or PPh4; R: Me, Ph, C6H4Me‐2, or C6H4Me‐4); Crystal Structure of (PPh4) (Co2W(μ3‐CPh)(CO)8(η5‐C2B9H9Me2))·0.5 CH2Cl2.
Authors: BAUMANN F.‐E. , HOWARD J. A. K. , MUSGROVE R. J. , SHERWOOD P. , STONE F. G. A.
Published: May 2016

The (dicarbaborato‐(2‐))ethylidyne‐W complex (Ia) reacts with Co2(CO)8 (II) to give the trimetal complex (IIIa).
ChemInform Abstract: Technetium(V)‐Nitrido Complexes of Dithiocarbazic Acid Derivatives. Reactivity of (TcN)2+ Core Toward Schiff Bases Derived from S‐Methyl Dithiocarbazate. Crystal Structures of (S‐Methyl 3‐(2‐hydroxyphenylmethylene)dithiocarbazato)nitrido(triphenylphosphine)technetium(V) and Bis(S‐methyl 3‐isopropylidenedithiocarbazato)nitridotechnetium(V).
Authors: MARCHI A. , DUATTI A. , ROSSI R. , MAGON L. , PASQUALINI R. , BERTOLASI V. , FERRETTI V. , GILLI G.
Published: May 2016

The square‐pyramidal nitrido‐Tc(V) complexes (I), (II), and (III) are synthesized by substitution‐reduction reactions of (NBu4) (TcNCl4) or (AsPh4) (TcNCl4) with the corresponding tri‐ and bidentate Schiff bases and/or without PPh3 or by substitution reactions of TcNCl2(PPh3)2.
ChemInform Abstract: Preparation, Structure, and Nuclear Magnetic Resonance Properties of the Nine‐Vertex nido‐Rhenaborane ((PMe2Ph)3H2ReB8H11) and Some Related Chemistry.
Authors: BECKETT M. A. , BOWN M. , FONTAINE X. L. R. , GREENWOOD N. N. , KENNEDY J. D. , THORNTON‐PETT M.
Published: May 2016

Thermolysis of the 9‐ethoxy substituted nido‐6‐rhenadecaborane (I) results in a quantitative cluster degradation to give the nine‐vertex nido‐derivative (II).
ChemInform Abstract: Synthesis and Structure of a Diphosphetene, Cyclic (CF3)P(CF3)PC(SiMe3)=C(SiMe3), and the Coordination and Metallacycle Formation of Several Diphosphetenes with Iridium(I).
Authors: PHILLIPS I. G. , BALL R. G. , CAVELL R. G.
Published: May 2016

The new diphosphetenes (Ib)‐(Id) are prepared from the reactive species "(CF3P)2" (generated from a cyclopolyphosphane mixture) and appropriate alkynes at 180 °C. (Id) is structurally characterized (C2/c, Z=4).
ChemInform Abstract: Reaction Between 1,3‐Diphenylisobenzofuran and a Blue Oxyhaemocyanin Model Compound.
Authors: NISHIDA Y. , TAKAHASHI K.
Published: May 2016

The deep blue species derived from the binuclear Cu(I) complex with (I) and O2 exhibits high reactivity towards 1,3‐diphenylisobenzofuran, an efficient singlet O2(1Δg) scavenger.
ChemInform Abstract: Transformation of Cycloartanyl Acetate into B‐Homo Triterpenoids.
Authors: SAKAMAKI H. , TAKE M. , MATSUMOTO T. , IWADARE T. , ICHINOHE Y.
Published: May 2016

Ozonolysis of cycloartanyl acetate (I) yields the hydroxycycloartanone (II), together with the known ketone (III).
ChemInform Abstract: Synthesis of 2‐Imidoglycolic Acids and a New Heterobifunctional Cross‐Linking Agent, N‐Succinimidyl‐2‐maleimidoglycolate.
Authors: SERINO A. J.
Published: May 2016

N‐Phenylmaleimide (I) reacts with glyoxylic acid hydrate (II) to form the imidoglycolic acid (III).
ChemInform Abstract: Synthesis of New Naturally Occurring 4‐Phenyl‐2H‐1‐benzopyran‐2‐ones.
Authors: PARMAR V. S. , JAIN R. , SINGH S.
Published: May 2016

Pechmann condensation of (I) with (II) followed by methylation affords the title compounds (V), thus confirming the previously assigned structures of these constituents of Courtarea hexandra.
ChemInform Abstract: Pheromone Synthesis. Part 109. Synthesis of the Four Stereoisomers of 6,12‐Dimethyl‐2‐pentadecanone, the Sex Pheromone of Diabrotica balteata LeConte.
Authors: MORI K. , IGARASHI Y.
Published: May 2016

The key step in the synthesis of the title compound (IV) is the reaction of the sulfone (II) with the iodide (III).
ChemInform Abstract: Vapor‐Phase Epitaxial Growth of GaAs Using GaCl3 and AsH3.
Authors: NISHIZAWA J. , SHIMAWAKI H. , SAKUMA Y.
Published: May 2016

Isothermal vapor‐phase epitaxial growth of GaAs is achieved in the range 300‐700 °C using GaCl3(N2)‐AsH3(N2) and GaCl3(H2)‐AsH3(N2) sources.
ChemInform Abstract: Plasma‐Assisted Deposition of Arsenic Sulfide Film by Co‐evaporation of Arsenic and Hydrogen Sulfide.
Authors: NAKAMURA S. , SUITA Y. , YAMAMOTO Y. , HIRANO T. , HORIGUCHI M. , YOSHIOKA S.
Published: May 2016

Applying the Ar‐plasma‐assisted deposition technique a thin film of arsenic sulfide with two distinct layers having different chemical composition is successively grown on a glass substrate at 20 °C. Arsenic is evaporated at a constant flow‐rate into the plasma while the H2S pressure is changed from 0.12 to 0.02 torr.
ChemInform Abstract: Influence of Chloride‐Chromate Solution Composition on the Stress Corrosion Cracking of a Mg‐Al Alloy.
Authors: EBTEHAJ K. , HARDIE D. , PARKINS R. N.
Published: May 2016

Interrupted slow straining, constant strain and constant load testing show a susceptibility of the Mg‐Al alloy to stress corrosion failure that is maximal at a chloride/chromate ratio around 1. A greater tendency for fracture as the Cl‐ concentration is increased can be explained by the greater amount of H2 produced in the pits at which crack initiation invariably occurs.
ChemInform Abstract: The Influence of Modification of γ‐Alumina by Halides on the Acidic Behavior
Authors: ENGELS S. , HAUPT J. , HOPFE V. , LAUSCH H. , MARX G.
Published: May 2016

is studied in connection with its use as support in reforming catalysts.
ChemInform Abstract: A New Low‐Temperature Synthesis of Transition‐Metal Sulfides,
Authors: MARTIN M. J. , QIANG G.‐H. , SCHLEICH D. M.
Published: May 2016

that are difficult or even impossible to produce by classical methods, is based on reaction of (Me3Si)2S with transition‐metal halides.
ChemInform Abstract: New Soluble Monomeric Polyselenide Anions, (MQ(Se4)2)2‐ 2 (M: Mo, W; Q: O, S, Se).
Authors: WARDLE R. W. M. , MAHLER C. H. , CHAU C.‐N. , IBERS J. A.
Published: May 2016

A new synthetic route to tetraselenometalates MSe42‐ is exemplified in the scheme.
ChemInform Abstract: Chiral Thiophene Dioxides and Thiophene S,N‐Ylides as Dienes for Asymmetric Diels‐Alder Application.
Authors: DILLEN J. L. M. , METH‐COHN O. , MOORE C. , VAN ROOYEN P. H.
Published: May 2016

The chiral dienes (III) (X‐ray analysis of (IIIa): space group P21, Z=4), possessing an effectively shielded back face of the thiophene moiety due to H‐bonding between the OH group and one sulfone oxygen, display higher regio‐ and stereoselectivity in asym.
ChemInform Abstract: Nucleophilic Reactions of α‐Aminoalkenenitriles.
Authors: FANG J.‐M. , CHANG H.‐T.
Published: May 2016

In continuation of a study of the captodative properties of α‐amino nitriles, the nucleophilic reactions of α‐aminoalkenenitriles are investigated.
ChemInform Abstract: Behavior of 2‐Substituted 6,8‐Dibromo‐3,1‐benzoxazin‐4‐ones Toward o‐Phenylenediamine and Anthranilic Acid; a Case of Unusual Cleavage of 6,8‐Dibromo‐2‐methyl‐3,1‐benzoxazin‐4‐one.
Authors: ISMAIL M. F. , EL‐KHAMRY A. M. A. , ABDEL HAMID H. A. , EMARA S. A.
Published: May 2016

The title reaction between the 2‐methylbenzoxazine (I) and (II) or (VI) yields the unexpected products shown in the scheme.
ChemInform Abstract: On Possible Redirection of the Course of Anionic Oxy‐Cope Rearrangements.
Authors: PAQUETTE L. A. , DERUSSY D. T.
Published: May 2016

Reactions of the alcohols (III), (VIII) (space group I41/a; Z=16), (XIV) and (XVII) are carried out under the conditions A) affording the rearrangement products shown in the scheme.
ChemInform Abstract: Anomalous Bromination of gem‐Dialumoalkyl Compounds.
Authors: KUCHIN A. V. , MARKOVA S. A. , TOLSTIKOV G. A.
Published: May 2016

Bromination of the gem‐dialumoalkyl compounds (I) with 7 mol bromine and subsequent hydrolysis lead to the formation of the bromides (II) ‐(IV).
ChemInform Abstract: New Trigonal Lattice Hosts: Stoichiometric Crystal Inclusions of Laterally Trisubstituted Benzenes‐X‐Ray Crystal Structure of 1,3,5‐Tris‐(4‐carboxyphenyl)benzene·Dimethylformamide.
Authors: WEBER E. , HECKER M. , KOEPP E. , ORLIA W. , CZUGLER M. , CSOEREGH I. +
Published: May 2016

Of the potential host compounds (I) and (II) studied using nearly 40 solvents, by far the most efficient host is (Ib) (R1: ‐O‐Me) followed by (Ib) (R1: ‐COOH, ‐CHO), while (Ia), (Ie), and (IIb) are less effective.
ChemInform Abstract: A Novel Reducing Agent. The Reduction of Dicarbonyls, Acyloins, Alkynes, and Alkenes with Active Uranium.
Authors: KAHN B. E. , RIEKE R. D.
Published: May 2016

Active uranium, prepared from UCl4 and lithium (tetramethylethylenediamine)naphthalenide, is used as a novel reducing agent.
ChemInform Abstract: Regio‐ and Stereoselective Addition of Organolithiums to Naphthalenes. An Efficient Synthesis of 1,1,2‐Trisubstituted and trans‐1,2‐Disubstituted Dihydronaphthalenes.
Authors: MEYERS A. I. , LUTOMSKI K. A. , LAUCHER D.
Published: May 2016

Reaction of the 1‐naphthyloxazoline (I) with the organolithium reagents (II) followed by trapping with MeI (III) from the face opposite to the attack of the organolithium reagent yields the 1,1,2‐trisubstituted dihydronaphthalenes (IV).
ChemInform Abstract: Phenanthrylalkanoic Acids. Part 2. Syntheses and Antiinflammatory Activity of 2‐, 3‐, and 9‐Phenanthryl‐ and 9‐Chloro‐3‐phenanthrylacetic Acids.
Authors: FERNANDEZ F. , GOMEZ G. , LOPEZ C. , SANTOS A. , CALLEJA J. M. , CANO E. , LOPEZ‐SUAREZ J. R.
Published: May 2016

The acetylphenanthrenes (I) are transformed into the thioamides (III) by Willgerodt‐Kindler reaction.
ChemInform Abstract: Synthesis of Unsymmetrical Arylthiophenes and Bithienyls via Oxidative Cyclization of 1,3‐Butadiene‐1‐thiols.
Authors: CAMPAIGNE E. , WHITE R. L. JUN.
Published: May 2016

Base‐induced cleavage of the (het)arylpropenylidenerhodanines (I) yields the 2‐mercaptopentadienoic acids (II).
ChemInform Abstract: Indole‐ and Pyrrole‐Sulfonium Ylides.
Authors: HARTKE K. , TEUBER D. , GERBER H.‐D.
Published: May 2016

Reaction of pyrrole (I) with sulfoxides such as (II) yields predominantly the 2‐sulfonium salts (IV), which are deprotonated to give the pyrrole‐2‐sulfonium ylides (VI) (yields of (VI) not given).
ChemInform Abstract: Condensed as‐Triazines. Part 10. Regioselectivity in Methylation and Phenylation of the Zwitterionic Pyrido(2,1‐f)‐as‐triazinium‐1(3)‐olates and Thiolates.
Authors: BATORI S. , MESSMER A.
Published: May 2016

The betaines (IV), obtained from the 1‐amino‐2‐(amino(ethoxy)carbonyl)pyridinium salts (I) or (V), are N‐methylated with methyl iodide (VII) to give the salts (VIII).
ChemInform Abstract: Syntheses and Ring Contractions of α‐Halo‐N‐phenylcamphoric Acid Imides.
Authors: WANNER K. T.
Published: May 2016

The bicyclic anhydride (I) is cleaved with aniline (II) and then recyclized to form the imide (IV) via the monoamide (III).
ChemInform Abstract: A Facile Synthesis of 2,4,8,10‐Tetrahalo‐6,12‐diaryldibenzo(b,f)(1,5)diazocines.
Authors: BORUAH R. C. , SANDHU J. S.
Published: May 2016

The benzisoxazoles (I) are cleaved with thionyl chloride to produce the 2‐amino‐3‐chlorobenzophenones (II) which form the title compounds (III) upon refluxing in pyridine.
ChemInform Abstract: Synthesis of Cyclodisilathianes and Their Degradation by Iron Carbonyls.
Authors: KUZ'MIN O. V. , BYKOVA A. L. , LEBEDEV A. V. , BASHKIROVA S. A. , RAISIN I. I.
Published: May 2016

The polysilens (I) react with elemental sulfur (II) in the presence of diphenylacetylene to give the cyclodisilathianes (III).
ChemInform Abstract: Reaction of Dialkyl 1,2,4‐Trichloro‐2‐buten‐3‐ylphosphonates with Potassium Iodide.
Authors: BELYKH O. A. , SOKOLOV V. V. , DOGADINA A. V. , IONIN B. I. , PETROV A. A.
Published: May 2016

The phosphonates (I) mentioned in the title react with KI to give the butadienylphosphonates (III) via the intermediate diiodobutenylphosphonates (II).
ChemInform Abstract: Synthesis and Structural Determination of the First Representative of cis‐Phosphenimidous Amides.
Authors: ROMANENKO V. D. , RUBAN A. V. , CHERNEGA A. N. , POVOLOTSKII M. I. , ANTIPIN M. YU. , STRUCHKOV YU. T. , MARKOVSKII L. N.
Published: May 2016

Reaction of the lithium amide (II) with the phosphoramidous dichloride (Ia) yields the cis‐phosphenimidous amide (III) which does not isomerize on UV‐irradiation or heating to give the corresponding trans‐form.
ChemInform Abstract: Oxidative Addition of Hexafluoroacetone at 1‐Chloro‐, 1‐(2,2,2‐Trifluoroethoxy)‐ and 1‐(2,2,2‐Trifluoro‐1‐(trifluoromethyl)ethoxy)phosphorinane.
Authors: HACKLIN H. , ROESCHENTHALER G.‐V. +
Published: May 2016

The products are characterized by 1H, 19F and 31P NMR spectroscopy and a formation mechanism is proposed.
ChemInform Abstract: A Novel Oxygen‐Induced Reduction of α,β‐Unsaturated Carbonyl Compounds by Benzeneselenol.
Authors: MASAWAKI T. , UCHIDA Y. , OGAWA A. , KAMBE N. , MIYOSHI N. , SONODA N.
Published: May 2016

Reaction of the α,β‐unsaturated carbonyl compounds (I) with benzeneselenol (II) in the presence of small amounts of oxygen yields the saturated aldehydes and ketones (III), together with the Michael adducts (IV).
ChemInform Abstract: Dichalcogen‐Bridged Acenaphthenes (I) as New Electron Donors.
Authors: ASO Y. , YUI K. , MIYOSHI T. , OTSUBO T. , OGURA F. , TANAKA J.
Published: May 2016

The title compounds (I) form 1:1 complexes with tetracyanoquinodimethane (TCNQ) ((Ia) and (Ib) readily in THF; (Ic) only in hot Ph‐Cl).
ChemInform Abstract: Rhodium(III) cis‐Dihydrido Complexes with 3,6‐Bis(2′‐pyridyl)pyridazine (dppn) and Bidiazines. Crystal and Molecular Structure of (Rh(H)2(dppn)(PPh3)2)PF6·CH2Cl2.
Authors: GHEDINI M. , NEVE F. , MANOTTI LANFREDI A. M. , UGOZZOLI F.
Published: May 2016

(I) reacts with the pyridazine derivative (II) to give the air‐stable complex (III), which crystallizes as dichloromethane solvate in P21/a with Z=4.
ChemInform Abstract: Complexes with Functional Phosphines. Part 12. Carbon‐Carbon Coupling Reactions by Isocyanate Insertion into Nickel‐, Palladium‐, and Platinum‐Coordinated β‐Phosphino Enolates. Molecular Structures of Cyclic ((C10H8N)Pd(Ph2PC(C(O)OEt)(=C(O)NHPh))) and Cyclic cis‐(Ni(Ph2PC(C(O)Ph)(=C(O)NH(p‐MeC6H4)))2)·CH2Cl2.
Authors: BOUAOUD S.‐E. , BRAUNSTEIN P. , GRANDJEAN D. , MATT D. , NOBEL D.
Published: May 2016

The reaction of phenyl isocyanate with the Pd complexes (Ia), (Ib) and (Va) affords the corresponding complexes (III) and (VI), whereas starting with (Ic) or (Vb) two coupling products, (IIIc) and (IVc) or (VIb) and (VIIb), are obtained which are in equilibrium.
ChemInform Abstract: Reactions of Acetylenes with Noble Metal Carbonyl Halides. Part 11. Synthesis of Cyclic (Pt(CMe=C(H)COOMe)(CO)Cl) via Polynuclear Platinum Carbonyls. X‐Ray Crystal Structure Determination of the σ‐Alkenyl Platinum Complex (N(PPh3)2) (Pt(CMe=C(H)CO2Me)(CO)Cl2).
Authors: ALLEVI C. , GARLASCHELLI L. , MALATESTA M. C. , GANAZZOLI F.
Published: May 2016

In the reaction of (I) with H2O (II) the polynuclear derivative (Pt(CO)2)n is generated together with H(Pt(CO)Cl3) which on addition of (III) react to give the complexes (IV) and (V).
ChemInform Abstract: An Aromatization Reaction of a 13α‐Methyl Steroid.
Authors: HANSON J. R. , TRUNEH A.
Published: May 2016

Whereas treatment of the androstane (I) with HBr/glacial AcOH affords the 13β,14β‐cis‐fused anthrasteroid (II), the reaction of the 13α‐methyl analogue (IV) proceeds without isomerization at C‐14 to give the anthrasteroid (V).
ChemInform Abstract: One‐Step Synthesis of Steroidal Lactams from Ketones of Spirostane Series.
Authors: SIDDIQUI A. H. , RAO N. S. , RAMESH D. , RAO K. V. , LAKSHMI C. A. V.
Published: May 2016

Treatment of the steroidal ketones (I) with hydroxylamine‐O‐sulfonic acid (II) gives the lactams (III).
ChemInform Abstract: A Directed Metalation Route to the Zwitterionic Indole Alkaloids. Synthesis of Sempervirine.
Authors: GRIBBLE G. W. , BARDEN T. C. , JOHNSON D. A.
Published: May 2016

The key intermediate (VII) is synthesized starting from the indole (I) via Taylor‐Boger triazine Diels‐Alder anellation chemistry.
ChemInform Abstract: Synthesis of 2′‐Deoxyribofuranosyl Indole Nucleosides Related to the Antibiotics SF‐2140 and Neosidomycin.
Authors: GIRGIS N. S. , COTTAM H. B. , ROBINS R. K.
Published: May 2016

The indoles (I) are coupled with the chlorofuranose (II) to form the nucleosides (III) which are O‐deprotected, yielding (IV).
ChemInform Abstract: Two Novel Flavonoids from the Leaves of Lindera umbellata var. lancea and L. umbellata.
Authors: ICHINO K. , TANAKA H. , ITO K.
Published: May 2016

The structures of linderatin (I) and linderatone (II) are established on the basis of chemical and physical evidence.
ChemInform Abstract: Crystallization Kinetics of Calcite in the Presence of Magnesium Ions
Authors: HOUSE W. A. , HOWSON M. R. , PETHYBRIDGE A. D.
Published: May 2016

(Ca(HCO3)2 solution containing Mg(HCO3)2) are studied by a seeding technique.
ChemInform Abstract: Orange Luminescence from Europium(III) Compounds.
Authors: THOMPSON L. C. , KUO S. C.
Published: May 2016

It is demonstrated that Eu(III) compounds that yield an orange luminescence (5D0 → 7F1, 590 nm) not necessarily possess a center of inversion.
ChemInform Abstract: Hydrogen Peroxide Decomposition on a Two‐Component CuO‐Cr2O3 Catalyst.
Authors: MUCKA V. , LANG K.
Published: May 2016

CuO‐Cr2O3 catalysts covering the whole range of composition are prepared and studied using the decomposition of H2O2 as test reaction.
ChemInform Abstract: The Surface Properties of Microcrystalline Hydrous Titanium Oxide as Obtained by Thermal Hydrolysis from a TiCl4 Solution
Authors: OOI K. , MIYAI Y. , KATOH S. , SUGASAKA K.
Published: May 2016

are studied by means of nitrogen adsorption/desorption at 77 K, and fluoride ion adsorption, XRD, and electron microscopy.
ChemInform Abstract: An EXAFS Study of Co‐Mn/SiO2 Bimetallic Solvated Metal Atom Dispersed (SMAD) Catalysts.
Authors: TAN B. J. , KLABUNDE K. J. , TANAKA T. , KANAI H. , YOSHIDA S.
Published: May 2016

In the title catalysts, manganese is present in the oxidized state and Co is in both the metallic and oxidized state.
ChemInform Abstract: Laser Raman Studies of the Preparation of Platinum and Iridium Catalyst Systems.
Authors: CHAN S. C. , FUNG S. C. , SINFELT J. H.
Published: May 2016

Pt/Al2O3, Ir/Al2O3, and Pt‐Ir mixed catalysts are prepared by the impregnation method using chloroplatinic acid and chloroiridic acid solutions and subsequently heated in air at various temperatures.
ChemInform Abstract: Properties and Structure of Novel Ternary Stannides of Rare Earth Metals with a High Content of Tin.
Authors: KORETSKAYA O. E. , KOMAROVSKAYA L. P. , SKOLOZDRA R. V.
Published: May 2016

The novel binary stannides MSn3 (M: Tb, Dy, Ho) and the novel ternary stannides M2NiSn6 (M: Ho, Er, Tm) are prepared from the elements by solid‐phase reactions (670 K, 720 h).
ChemInform Abstract: Rapid Inversion versus Stable Chiral Center Formation. Different Behavior of Coordinated Nitrogens in Four‐ and Five‐Coordinate Platinum(II) Complexes with N,N′‐Disubstituted Ethylenediamines.
Authors: FANIZZI F. P. , MARESCA L. , NATILE G. , LANFRANCHI M. , MANOTTI LANFREDI A. M. , TIRIPICCHIO A.
Published: May 2016

The five‐coordinate complexes (II) are prepared by a known procedure.
ChemInform Abstract: Interaction of Organoaluminum Compounds and Crown Ethers. Formation in Solution of R2Al(crown)+ and RAl(halide)(crown)+ Ions.
Authors: RICHEY H. G. JUN. , BERGSTRESSER G. L.
Published: May 2016

1H NMR studies indicate that solutions prepared from R2AlX (R: ‐Et, ‐Me and ‐Pr; X: ‐Br, ‐I) and 15‐crown‐5 contain significant amounts of R2Al(crown)+ and RAlX(crown)+ ions.
ChemInform Abstract: Stereoselective Synthesis of Alcohols. Part 27. Addition of (α‐Chlorocrotyl)boronates to Aldehydes.
Authors: HOFFMANN R. W. , DRESELY S. , LANZ J. W.
Published: May 2016

The racemic boronate (I) adds to nonchiral aldehydes of type (II) to give the homoallyl alcohols (III) as main products.
ChemInform Abstract: Formal Addition of Methanesulfenyl Fluoride to Unsaturated Substrates.
Authors: HAUFE G. , ALVERNHE G. , ANKER D. , LAURENT A. , SALUZZO C.
Published: May 2016

Dimethyl(methylthio)sulfonium tetrafluoroborate (II) reacts with the olefines (I) to give the products (III) by formal addition of methanesulfenyl fluoride.
ChemInform Abstract: A Convenient Synthesis of Amino‐Substituted 2‐Oxo‐1,3,5‐triazinium and 1,3,5‐Oxadiazinium Salts.
Authors: AL‐TALIB M.
Published: May 2016

In connection with investigations of new classes of heterocumulenes, the behavior of the salts (I) toward the carbodiimide (II) and the cyanamides (IV) is studied.
ChemInform Abstract: Oxidative Cleavage of Carbon‐Silicon Bonds by Dioxygen: Catalysis by a Flavin‐Dihydronicotinamide Redox System.
Authors: TAMAO K. , HAYASHI T. , ITO Y.
Published: May 2016

Treatment of the organo‐silicon compounds (I) with oxygen in the presence of tetraacetylriboflavin/N‐benzyl‐1,4‐dihydronicotinamide and cesium fluoride gives the alcohols (IIa) ‐ (IId) or phenol (IIe) via fluoride‐promoted cleavage of the intermediate silyl ethers.
ChemInform Abstract: Alkylmetal Asymmetric Reduction. Part 19. Grignard Reagents Derived from Naturally Occurring Products as Reducing Agents of Ketones.
Authors: FALORNI M. , LARDICCI L. , UCCELLO‐BARRETTA G. , GIACOMELLI G.
Published: May 2016

The optically active Grignard reagent (II), which is available by a conventional straightforward elaboration starting from (‐)‐menthone (I), reacts with prochiral ketones such as (III) to give exclusively reduction products, e.g. (IV); contrary to what is generally observed with aliphatic alkyl butyl Grignards, no addition products are additionally formed.
ChemInform Abstract: Synthesis of (1.1.1.1)(1,3)‐2‐Methoxyazulenophane: Azulene Analogue of Calixarenes.
Authors: ASAO T. , ITO S. , MORITA N.
Published: May 2016

The bis(azulene)diol (VIII) is prepared from 2‐methoxyazulene (I) or from ethyl 2‐methoxyazulene‐1‐carboxylate (VI) as shown in the reaction scheme.
ChemInform Abstract: Aldol Condensation via Germanium Enolates. Stereoselection Dictated by the Copresence of Lithium Halides.
Authors: YAMAMOTO Y. , YAMADA J.
Published: May 2016

The lithium enolates of the ketones (I) are germylated with trimethylgermyl chloride (II).
ChemInform Abstract: Asymmetric Synthesis of Phenyl Alkyl Sulfoxides via the Nondestructive Mediation of the Chiral Iron Acyl ((η5‐C5H5)Fe(CO)(PPh3)COCH2Me).
Authors: DAVIES S. G. , GRAVATT G. L.
Published: May 2016

The lithium enolate of the acetyliron complex (I) is methylated to give the ethyl ketone (III).
ChemInform Abstract: Highly Diastereoselective Intramolecular Nitrone Cycloadditions to α,β‐Unsaturated Esters.
Authors: ANNUNZIATA R. , CINQUINI M. , COZZI F. , RAIMONDI L.
Published: May 2016

The allylic β‐sulfonylcarboxylates (III), prepared from the alcohols (I) and the acyl chlorides (II), are subjected to ozonolysis and then directly treated with N‐benzylhydroxylamine (IV) to give the nitrones (V).
ChemInform Abstract: Rearrangement of 5‐Amino‐1,2,3‐thiadiazole‐4‐carbothioamides.
Authors: DANKOVA E. F. , BAKULEV V. A. , GRISHAKOV A. N. , MOKRUSHIN V. S.
Published: May 2016

Consecutive reaction of the cyanoacetamides (I) with phosphorus pentasulfide (II) and benzenesulfonyl azide (III) gives the aminothiadiazolecarbonitriles (IV).
ChemInform Abstract: Studies of (3,3)Sigmatropic Rearrangements: Rearrangement of 3‐(4‐p‐Tolyloxybut‐2‐ynyloxy)(1)benzopyran‐2‐one.
Authors: MAJUMDAR K. C. , DE R. N. , KHAN A. T. , CHATTOPADHYAY S. K. , DEY K. , PATRA A.
Published: May 2016

The hydroxybenzopyranone (I) is coupled with the chlorobutyne (II) to yield the butynyloxybenzopyranone (III) which undergoes intramolecular ring closure upon thermolysis, producing the pyranobenzopyranone (IV) or the furobenzopyranone (V).
ChemInform Abstract: Synthesis, Properties, and Cardiovascular Activity of Substituted 4‐Dihydropyridine‐2(3H)‐thiones.
Authors: KRAUZE A. A. , VITOLIN'A R. O. , ROMANOVA M. R. , DUBUR G. YA.
Published: May 2016

The dihydropyridinethiolates (V), prepared by common cyclization reactions, are converted to the thiones (VIII), the betaines (IX), and the sodium salts (X).
ChemInform Abstract: Iminophosphorane‐Mediated Synthesis of Mesoionic 1,3,4‐Oxadiazolo(3,2‐a)pyridinylium‐2‐aminides.
Authors: MOLINA P. , ALAJARIN M. , PEREZ DE VEGA M. J. , FOCES‐FOCES C. , HERNANDEZ CANO F.
Published: May 2016

Mesoionic compounds such as (III) are of interest because of their unique structure, reaction behavior and pharmaceutical activity.
ChemInform Abstract: A New Cinnoline Ring Construction by the Reaction of 2‐Diazo‐3‐(2‐fluorophenyl)‐3‐oxopropionates with Tri‐n‐butylphosphine.
Authors: MIYAMOTO T. , MATSUMOTO J.
Published: May 2016

The polyhalobenzoylacetates (I) react with tosyl azide (II) to give the α‐diazoesters (III) which, when treated with triphenylphosphine (IV), produce the triphenylphosphazines (Va) and (Vb) or the hydrazone (VIc).
ChemInform Abstract: Chlorination of Diethylaminodifluorophosphine with Phosphorus Pentachloride and Its Organic Derivatives.
Authors: TIMOKHIN B. V. , KAZANTSEVA M. V. , DMITRIEV V. K. , DONSKIKH V. I.
Published: May 2016

Reaction of the difluorophosphine (I) with 1 equivalent phosphorus pentachloride or the organyltrichlorophosphonium hexachlorophosphates (III) gives the dichlorodifluorophosphorane (II).
ChemInform Abstract: Generation of a 1‐Ferracyclobutene from Thermal and Photolytic Induced Rearrangement of α‐Ethoxycyclopropyl σ Complexes of Iron.
Authors: CONTI N. J. , JONES W. M.
Published: May 2016

The formation of the ferracyclobutene (II) in the title reactions is monitored by 13C NMR spectroscopy.
ChemInform Abstract: Synthesis and Characterization of Metal Complexes of Nickel, Cobalt, and Iron Having Monomeric 15‐Membered Lacunar Cyclidene Ligands, with a Representative Crystal Structure. Dioxygen Binding by the Cobalt Complexes.
Authors: THOMAS R. , FENDRICK C. M. , LIN W.‐K. , GLOGOWSKI M. W. , CHAVAN M. Y. , ALCOCK N. W. , BUSCH D. H.
Published: May 2016

Lacunar Ni(II) complexes (IIIa)‐(IIId) are synthesized by a template process.
ChemInform Abstract: Photolytic Cluster Synthesis: Synthesis and Structure of (((Ph3P)Au)7Mo(CO)3)OH.
Authors: BEUTER G. , STRAEHLE J. +
Published: May 2016

The photolysis of a mixture of the gold azide (I) and the Mo carbonyl (II) results in elimination of N2 and formation of the title cluster (IV).
ChemInform Abstract: Synthesis and Crystal Structure of (Et4N)2(Re7C(CO)21Pd(C9H9)) (C9H9 = η3‐1‐Phenylallyl). An Example of a Non‐“Slipped” Palladium(II) Capping Moiety.
Authors: HENLY T. J. , WILSON S. R. , SHAPLEY J. R.
Published: May 2016

The title compound (III) crystallizes in the space group P21 with Z=2.
ChemInform Abstract: Activation of an Aliphatic C‐H Bond at Room Temperature. Part 4. Conversion on a Cluster of a Stable σ‐Bonded Alkyl Group to a μ2‐Alkylidene Ligand. Synthesis and Crystal Structure Determination of HOs3(6‐CH2C5H3N‐2‐C(H)=N‐i‐Pr)(CO)9 and H2Os3(6‐CHC5H3N‐2‐C(H)=N‐i‐Pr)(CO)8.
Authors: ZOET R. , VAN KOTEN G. , VRIEZE K. , JANSEN J. , GOUBITZ K. , STAM C. H.
Published: May 2016

As demonstrated by the reaction of the complex (I) with (II) under mild conditions, an aliphatic C‐H bond may be activated on a transition‐metal cluster yielding the complex (III) which is one of the few examples of a transition‐metal cluster containing a σ‐bonded alkyl moiety.
ChemInform Abstract: Bis(platinum) Complexes Containing Two Platinum cis‐Diammine Units. Synthesis and Initial DNA‐Binding Studies.
Authors: FARRELL N. P. , DE ALMEIDA S. G. , SKOV K. A.
Published: May 2016

The title complexes (III) with two units of the cis‐diammine complex linked by variable‐length hydrocarbon chains are prepared as shown (no yields given) and their configuration confirmed by IR spectroscopy.
ChemInform Abstract: Tobacco Chemistry. Part 68. Structure Determination and Biomimetic Syntheses of Two New Tobacco Cembranoids.
Authors: ARNDT R. , WAHLBERG I. , ENZELL C. R. , BERG J.‐E.
Published: May 2016

The structure of the title compounds (IIa) and (IIb) is established by spectroscopic methods, chemical correlation and a biomimetic synthesis via the intermediate (I) (yields given in g).
ChemInform Abstract: A Biomimetic Synthesis of (.+‐.)‐Petiodial. A Novel Palladium‐Catalyzed Enallene Cyclization.
Authors: TROST B. M. , MATSUDA K.
Published: May 2016

The palladium‐catalyzed cyclization of the enyne (V) is sluggish and gives the desired cyclopentene (VIa) as minor product together with its trimethylsilyl derivative (VIb).
ChemInform Abstract: Synthesis of Simple Quinoline Alkaloids. A Novel Quinazoline Synthesis.
Authors: THOMSEN I. , TORSSELL K. B. G.
Published: May 2016

The quinoline alkaloid derivatives (VI) are prepared via reductive cleavage of the isoxazoles (III).
ChemInform Abstract: Electronic States and Nature of Bonding of the Molecule NiGe by all Electron ab initio Hartree‐Fock (HF) and Configuration Interaction (CI) Calculations and Mass Spectrometric Equilibrium Experiments.
Authors: SHIM I. , KINGCADE J. E. JUN. , GINGERICH K. A.
Published: May 2016

Based on the theoretical calculations a detailed description of the electronic structure and bonding of NiGe is presented.