bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Triazolopyridines. Part 10. Sites of Quaternization of (1,2,3)Triazolo(1,5a)pyridines.
Authors: ABARCA B. , ASENSIO A. , BALLESTEROS R. , BOSCH J. , JONES G. , MOJARRAD F. , METNI M. R. , RICHARDSON C. M.
Published: May 2016

To study the quaternization site (essential for synthetic projects) a range of title compounds such as (I) are quaternized with different halogen compounds such as (II).
ChemInform Abstract: Synthesis and Study of Chiral NADH Models in the Thieno(2,3‐b)pyridine Series.
Authors: BENOIT R. , DUFLOS J. , DUPAS G. , BOURGUIGNON J. , QUEGUINER G.
Published: May 2016

The thienopyridine derivative (IV), functionalized on the thiophene ring, is synthesized by construction of a pyridine ring starting from the thiophene (I).
ChemInform Abstract: Synthesis of 3,5‐Disubstituted 1‐Azabicyclic Systems: Intermediates for Novel Muscarinic Ligands.
Authors: SNOW R. J. , STREET L. J.
Published: May 2016

Starting with the pyridinedicarboxylic acid monoester hydrochloride (I), the piperidinecarboxylic acid ester hydrobromide (VI) is synthesized which is transformed into a mixture of the stereoisomeric azabicyclooctanonecarboxylic acid esters (VII) and (VIII) with predominance of (VII).
ChemInform Abstract: Synthesis and Anticonvulsant Activity of Some New 2‐Substituted 3‐Aryl‐4(3H)‐quinazolinones.
Authors: WOLFE J. F. , RATHMAN T. L. , SLEEVI M. C. , CAMPBELL J. A. , GREENWOOD T. D.
Published: May 2016

Metalation of the quinazolinones (I) and subsequent reaction with the esters (II) yield the acylated derivatives (III).
ChemInform Abstract: Synthesis and Dopamine Agonist Properties of (.+‐.)‐trans‐3,4,4a,10b‐Tetrahydro‐4‐propyl‐2H,5H‐(1)benzopyrano(4,3‐b)‐1,4‐oxa# zin‐9‐ol and Its Enantiomers.
Authors: DEWALD H. A. , HEFFNER T. G. , JAEN J. C. , LUSTGARTEN D. M. , MCPHAIL A. T. , MELTZER L. T. , PUGSLEY T. A. , WISE L. D.
Published: May 2016

Starting with hydroquinone monomethyl ether (I) and acrylonitrile (II), the synthesis of the title compound (XV) is described.
ChemInform Abstract: Tricyclic Heteroaromatic Systems. 5H‐1,2,3‐Triazolo(5,1‐c)(1,4)benzodiazepine.
Authors: MELANI F. , CECCHI L. , COLOTTA V. , FILACCHIONI G.
Published: May 2016

The novel tricyclic compound (V) is the diaza analogue of 5H‐pyrrolo(2,1‐c)(1,4)benzodiazepine, a component of the naturally occurring antitumor antibiotics anthramycin, tomaymycin and sibiromycin.
ChemInform Abstract: Regioselective Functionalization of Medium‐Ring Lactams.
Authors: HAGEN T. J.
Published: May 2016

Treatment of the N‐protected lactams (I) with a non‐nucleophilic base and subsequent coupling reaction with the halides (II) yield the α‐substituted lactams (III).
ChemInform Abstract: Formation of β‐CH Agostic Alkenylzirconocene Complexes.
Authors: HYLA‐KRYSPIN I. , GLEITER R. , KRUEGER C. + , ZWETTLER R. , ERKER G.
Published: May 2016

In contrast to the reaction of (I) with (II), the hydrozirconation of (IV) gives (V) (P21/c, Z=4), which lacks the β‐agostic metal‐C‐H interaction, characteristic for (III).
ChemInform Abstract: Electron‐Transfer Processes with Substituted Group 5 Metal Carbonyls. Synthesis, Crystal and Molecular Structure of Ag3M3(CO)12(Me2PCH2CH2PMe2)3, M: Nb, Ta, the First Structurally Characterized Carbonyl Derivatives of Niobium(0) and Tantalum(0).
Authors: CALDERAZZO F. , PAMPALONI G. , ENGLERT U. , STRAEHLE J. +
Published: May 2016

New tetracarbonyl derivatives of Ta(I) such as (IV) are obtained also with bipy and diphosphines by the same procedure.
ChemInform Abstract: Multihydride Complexes of Rhenium, Osmium or Iridium Containing Monodentate Ditertiary Phosphine Ligands: Selective Hydrogen‐Deuterium Exchanges of the Rhenium Multihydrides.
Authors: CARR S. W. , FOWLES E. H. , FONTAINE X. L. R. , SHAW B. L.
Published: May 2016

The yield of (IIIa) sometimes is only 10% due to the accompanying formation of the dimer (IV), which does not occur using (Ib) as the precursor.
ChemInform Abstract: Preparation and Reactions of Tricarbonyl(3‐trimethylstannylcycloheptadienyl)iron Hexafluorophosphate and Tricarbonyl(3‐trimethylsilylcycloheptadienyl)iron Hexafluorophosphate.
Authors: PEARSON A. J. , HOLDEN M. S.
Published: May 2016

The reaction of the title compounds (IX) with enolate nucleophiles gives good yields of the expected addition products such as (XI) in the case of (IXb), whereas (IXa) generally gives mixtures such as (XV) and (XVI).
ChemInform Abstract: Reactions of the (Ni6(CO)12)2‐ Dianion with Stibine and Bismuthine Reagents: Synthesis and Stereophysical Characterization of the (Ni10(SbPh)2(CO)18)2‐ Dianion Containing a Noncentered Icosahedral Ni10Sb2 Core and Ni2(CO)4(μ2‐Ph2SbOSbPh2)2 Containing a Centrosymmetric Eight‐Membered (NiSbOSb)2 Ring.
Authors: DESENFANTS R. E. II , GAVNEY J. A. JUN. , HAYASHI R. K. , RAE A. D. , DAHL L. F. , BJARNASON A.
Published: May 2016

The main product in the reaction of (Ni6(CO)12)2‐ dianion with the stibines (II) and (V) is the (Ni10(SbPh)2(CO)18)2‐ dianion isolated as (III) ( P21/n, Z=4) or the (N(PPh3)2) salt (P1, Z=1) and (VI) (P1, Z=1) or the acetone disolvate of (III) (P1, Z=1).
ChemInform Abstract: GABA Agonists and Uptake Inhibitors. Synthesis, Absolute Stereochemistry, and Enantioselectivity of (R)‐(‐)‐ and (S)‐(+)‐Homo‐β‐proline.
Authors: NIELSEN L. , BREHM L. , KROGSGAARD‐LARSEN P.
Published: May 2016

Starting with the cyclization of (R)‐(+)‐1‐phenylethylamine (I) with itaconic acid (II), a diastereomeric mixture of the esters (V) is obtained.
ChemInform Abstract: Synthesis of 1,3‐Dioxin‐4‐ones and Their Use in Synthesis. Part 17. Chiral Spirocyclic 4‐Oxo‐1,3‐dioxin‐5‐carboxylates: Asymmetric Synthesis of Carbocyclic C‐Nucleoside Precursors.
Authors: SATO M. , TAKAYAMA K. , KANEKO C.
Published: May 2016

Diels‐Alder reaction of the spirocyclic dioxinone (I) with cyclopentadiene (II) yields the exo‐adduct (III), together with a small amount of the endo‐adduct (IV).
ChemInform Abstract: Molecular SiO2, Matrix IR Investigations and ab inito SCF‐Calculations.
Authors: MEHNER T. , GOECKE H. J. + , SCHUNCK S. , SCHNOECKEL H. +
Published: May 2016

The matrix reaction between (SiO)2 and O2 yields dimeric SiO2, for which the D2h structure (I) is deduced from the IR spectra of different 18O‐substitituted isotopomers.
ChemInform Abstract: Chemical Ionization Discharge of N2O for Matrix IR Spectroscopic Study of Isolated Anions.
Authors: HACALOGLU J. , SUZER S. , ANDREWS L.
Published: May 2016

Use of a Townsend discharge chemical ionization source in the negative ion mode for argon‐N2O mixtures produces NO‐, NO2‐, (NO)‐ 2, NNO2‐ and O3‐, together with neutral products (NO, NO2, (NO)2, O3, N2O3, and N2O4) as identified by matrix IR spectroscopy at 12 K combined with isotopic substitution experiments.
ChemInform Abstract: Excimer Laser‐Induced Temperature Jump‐Measurements on the Recombination Kinetics of the Gas‐Phase FSO3 + FSO3 ⇌ F2S2O6 Equilibrium Between 415 and 525 K
Authors: COBOS C. J. , CROCE A. E. , CASTELLANO E.
Published: May 2016

and over a N2 pressure range 10‐600 torr have extended the existing data range giving a more complete picture of the system between 293 and 525 K. The resulting temp. dependence is krec,∞ = 4.5·10‐14 (T/300)(1.0) cm3 molecule‐1 s‐1 The temp. coefficient of krec,∞ is smaller than the one derived from steady‐state experiments of the thermal dissociation of F2S2O6 and the equilibrium constant of the system.
ChemInform Abstract: Synthesis and Multinuclear NMR Studies of (M(o‐C6H4(TeMe)2)X2) (M: Pd, Pt; X: Cl, Br, I). The Presence of a Characteristic Ring Contribution to 125Te NMR Chemical Shifts.
Authors: KEMMITT T. , LEVASON W.
Published: May 2016

The coordination shifts in the 125Te NMR spectra of the title complexes are compared with those reported for analogous complexes of PhTe(CH2)3TePh and monodentate telluroether complexes.
ChemInform Abstract: Semiconductivity and Photoconductivity Studies of Metal Complexes of 5,14‐Dihydrodibenzo(b,i)(1,4,8,11)tetra‐azacyclotetradecine Single Crystals.
Authors: COUVES J. W. , WRIGHT J. D.
Published: May 2016

The exposure of (I) to NO2 increases the semiconductivity and the magnitude of photocurrent.
ChemInform Abstract: Electrochemistry and Electrochromism of Vanadium Hexacyanoferrate.
Authors: CARPENTER M. K. , CONELL R. S. , SIMKO S. J.
Published: May 2016

The electrodeposition, characterization, and spectroelectrochemistry of films of vanadium hexacyanoferrate, structurally related to Prussian blue, are studied.
ChemInform Abstract: Applications of Phase‐Transfer Catalysis. Part 51. Catalyst Effects on Reactions of α,β‐Unsaturated Ketones and Esters with Haloforms Under Phase‐Transfer Catalysis.
Authors: DEHMLOW E. V. , WILKENLOH J.
Published: May 2016

The reaction of acceptor‐substituted alkenes such as (I) with haloform/NaOH under phase‐transfer catalysis leads to the competitive formation of products resulting from Michael addition (cf.
ChemInform Abstract: Reductive Deoxygenation of α,β‐Unsaturated Ketones via Cyanophosphates by Lithium in Liquid Ammonia.
Authors: YONEDA R. , OSAKI H. , HARUSAWA S. , KURIHARA T.
Published: May 2016

α,β‐Unsaturated ketones such as α‐ionone (I), (‐)‐carvone (V), and the cholestenone (VII) react with the phosphorocyanidate (II) and LiCN to form phosphate intermediates which are directly reduced by lithium in liquid ammonia, yielding the corresponding alkenes (IV), (VI), and (VIII).
ChemInform Abstract: Desilylation of α‐Trimethylsilyl Nitramines: The First Nitramine α‐Anion.
Authors: LILLYA C. P. , SASSI T. P.
Published: May 2016

The trimethylsilylcyclopropylnitramine (I) is protodesilylated with aqueous tetraethylammonium fluoride to form the nitraminocyclopropane (II).
ChemInform Abstract: Synthesis of 1,3‐Dioxin‐4‐ones and Their Use in Synthesis. Part 13. Synthesis of Azetidin‐2‐ones from 1,3‐Dioxin‐4‐ones via 3‐Hydroxycarboxamides.
Authors: SAKAKI J. , KOBAYASHI S. , SATO M. , KANEKO C.
Published: May 2016

The trimethyldioxinone (I) reacts with the amines (IIa) ‐ (IIc) and O‐benzylhydroxylamine (IId) in hot xylene to give the β‐keto carboxamides (III).
ChemInform Abstract: Asymmetric Diels‐Alder Reactions with Chiral Alkoxycyclohexadienes.
Authors: BIRD C. W. , LEWIS A.
Published: May 2016

The chiral 1‐alkoxy‐1,3‐cyclohexadienes (II), prepared by Birch reduction of the corresponding phenol ethers, undergo Diels‐Alder reaction with 1,4‐naphthoquinone (I) to form the adducts (III) which are rearranged and O‐deprotected upon treatment with aqueous acids, yielding the fused furan derivative (IV).
ChemInform Abstract: Synthesis of Substituted 1,2,4‐Oxadiazoles, Isoxazoles, and 1,2,4‐Triazoles from Nitrile Oxides as well as from Azomethinimines.
Authors: RIED W. , FULDE M.
Published: May 2016

Treating the hydroximoyl chlorides (I) with bases in dilute solution gives their nitrile oxides which in situ react with dialkylcyanamides, e.g. (II), yielding 1,2,4‐oxadiazoles, e.g. (III).
ChemInform Abstract: Synthesis and Characterization of O‐Methyl and O‐Ethyl Dithiocarbonate (Xanthate) Derivatives of Dimethyl‐ and Diphenylgermane. Crystal Structure of Ph2Ge(S2COMe)2.
Authors: DRAKE J. E. , SARKAR A. B. , WONG M. L. Y.
Published: May 2016

(IIIa) crystallizes in C2/c with Z=4.
ChemInform Abstract: Reactions of the Polyhydride Complex ReH7(PPh3)2 with Pyridinecarboxylic Acids, 2‐Hydroxypyridine, 2‐Hydroxy‐6‐methylpyridine, and Acetylacetone. Monohydrido Complexes of Rhenium(III) and Their Oxidation to the Corresponding Rhenium(IV) Derivatives.
Authors: FANWICK P. E. , LEEAPHON M. , WALTON R. A.
Published: May 2016

The heptahydride complex (I) reacts with various organic acids, as demonstrated for (II), to afford the diamagnetic, seven‐coordinated monohydrido rhenium(III) complexes (III), (IV) and (VI).
ChemInform Abstract: Ruthenium Complexes with 1,4,5,8‐Tetraazaphenanthrene. Unusual Photophysical Behavior of the Tris‐Homoleptic Compound.
Authors: MASSCHELEIN A. , JACQUET L. , KIRSCH‐DE MESMAEKER A. , NASIELSKI J.
Published: May 2016

The photophysical and electrochemical properties of the complexes (I) are studied and compared with those of other previously studied series.
ChemInform Abstract: Coordination Properties of Imino(2‐pyridyl)methylpalladium(II) Compounds. Reactions with the Chloride‐Bridged Allyl Dimers (MCl(η3‐2‐MeC3H4))2 (M: Pd, Pt).
Authors: CROCIANI B. , DI BIANCA F. , CONSIGLIO M. , PACI M. , TAGLIATESTA P.
Published: May 2016

Imino(2‐pyridyl)methyl‐Pd(II) compounds of the type (I) react with the allyl dimers (II) (molar ratio 1:0.5) in the presence of NaClO4 to give cationic binuclear complexes of the type (III) (yields 73‐79%).
ChemInform Abstract: Allo‐, Epiallo‐, and Pseudoyohimbanes as well as Heteroyohimbanes by Reaction of a Tetracyclic Aldehyde with Acetoacetate in Different Solvents.
Authors: ROSENMUND P. , CASUTT M. , WITTICH M.
Published: May 2016

The reaction between the aldehyde (I) and methyl acetoacetate (II) yields products, which vary with the employed solvent.
ChemInform Abstract: Stereoselective Syntheses of the Nonactate Esters via Intramolecular Oxymercurations of Allenes.
Authors: WALKUP R. D. , PARK G.
Published: May 2016

Nonactic acids are subunits of nactin antibiotics.
ChemInform Abstract: The System BiPbSr2Fe1‐xTxO6+z (T: Co, Ni).
Authors: FRIES T. , MAYER‐VON KUERTHY G. + , EHMANN A. , WISCHERT W. , KEMMLER‐SACK S.
Published: May 2016

It is found that the degree of substitution of Co or Ni for iron in the title system strongly influences the electrical properties.
ChemInform Abstract: Dielectric Properties of Fluxed Barium Titanate Ceramics with Zirconia Additions.
Authors: ARMSTRONG T. R. , YOUNG K. A. , BUCHANAN R. C.
Published: May 2016

Addition of CaO·2 B2O3 and 2 CaO·Al2O3·2 B2O3 (≤ 1 wt.%) as a flux phase to BaTiO3 decreases the sintering temp. to ≤ 1100 °C. Further addition of monoclinic ZrO2 (< 1 wt.%) to the fluxed BaTiO3 results in the formation of a pseudo‐cubic phase, a fine‐grained microstructure with uniform grain size (< 1 μm), a higher sintering temp. (1175 °C), and significantly improved dielectric properties.
ChemInform Abstract: Structure and Magnetic Properties of Y2(Fe1‐xAlx)14B Compounds
Authors: WU C. H. , ZHONG X. P. , ZHANG Z. D. , CHUANG Y. C. , DE BOER F. R.
Published: May 2016

are studied as a function of composition.
ChemInform Abstract: Degradation of Aluminum Nitride Powder in an Aqueous Environment.
Authors: BOWEN P. , HIGHFIELD J. G. , MOCELLIN A. , RING T. A.
Published: May 2016

An aqueous AlN slurry is stirred for 24 h at room temp. and, after drying, characterized by IR, XRD, SEM, XPS, and surface area measurements.
ChemInform Abstract: Preparation and Characterization of Bimetallic Oxides of Chromium and Titanium.
Authors: CHENG S. , CHENG S.‐Y.
Published: May 2016

Cr(III)/Ti(IV) mixed oxides are prepared by hydrothermal synthesis in NaOH solutions of pH > 12. After NH4+/Na+ ion exchange and calcination at 623 K, the layered structure of the as‐prepared product is converted to the anatase structure.
ChemInform Abstract: High‐Temperature Oxychlorination Catalysts: Role of LaCl3 as an Inhibitor of the Segregation of Active Species During Heating/Cooling Cycles.
Authors: GARCIA C. L. , RESASCO D. E.
Published: May 2016

The XRD, DTA, EPR, and SEM results obtained for CuCl2‐KCl catalysts supported on Al2O3 or SiO2 show an irreversible segregation of K and Cu after heat treatment at 673 K and subsequent cooling to room temperature.
ChemInform Abstract: Heteroatom‐Assisted Substitution of Acyclic Secondary Tosylates with Lithium Dialkylcuprates: An Expedient Route to Stereochemically Defined Deoxypropionate and Related Biosynthetic Subunits.
Authors: HANESSIAN S. , THAVONEKHAM B. , DEHOFF B.
Published: May 2016

Acyclic secondary tosylates having an ether or thioether group near to the tosyloxy group such as (I), (IV), and (VI) react with the lithium diorganocuprates (II) or (VII), yielding the corresponding substitution products (III), (V), and (VIII) respectively with inversion of configuration.
ChemInform Abstract: Reactions of Dimethoxycarbene and Fluoromethoxycarbene with Hydroxyl Compounds. Absolute Rate Constants and the Heat of Formation of Dimethoxycarbene.
Authors: DU X.‐M. , FAN H. , GOODMAN J. L. , KESSELMAYER M. A. , KROGH‐JESPERSEN K. , LAVILLA J. A. , MOSS R. A. , SHEN S. , SHERIDAN R. S.
Published: May 2016

From diazirine (II) the carbene precursor (IV) is obtained and the reactions of carbene (V) with alcohols (VI) and with AcOH are examined.
ChemInform Abstract: Iron‐Induced Activation of Hydrogen Peroxide for the Direct Ketonization of Methylenic Carbon (c‐C6H12 → c‐C6H10(O)) and the Dioxygenation of Acetylenes and Arylolefins.
Authors: SHEU C. , RICHERT S. A. , COFRE P. , ROSS B. JUN. , SOBKOWIAK A. , SAWYER D. T. , KANOFSKY J. R.
Published: May 2016

In pyridine/acetic acid solvent complexes such as (I) and its μ‐oxo dimer (II) catalyze hydrogen peroxide for the selective ketonization of methylenic carbons and the dioxygenation of acetylenes to α‐diketones and arylolefins to aldehydes; e.g. cyclohexane is transformed with 72% efficiency to give 95% cyclohexanone and 5% cyclohexanol.
ChemInform Abstract: Selective Hydrogenolysis of 3,5‐Disubstituted Functionalized 2‐Isoxazolines.
Authors: LAKHVICH F. A. , KOROLEVA E. V.
Published: May 2016

Reduction of the isoxazolines (I) with sodium boranate in the presence of nickel(II) sulfate proceeds under ring opening and hydrogenation of the double bond in the side chain to give predominantly the amino alcohols (II).
ChemInform Abstract: Transannular Reactions of Cycloalkenes, Cycloalkadienes, and Cycloalkatrienes. Part 15. Transannular Oxygen Participation in Halofluorination Reactions of 9‐Oxabicyclo(6.1.0)non‐4‐ene.
Authors: HAUFE G. , ALVERENHE G. , LAURENT A.
Published: May 2016

Treatment of the title compound (I) with N‐halosuccinimides and triethylamine trishydrofluoride leads to the formation of halogenated oxabicyclo(3.3.1)‐ and oxabicyclo(4.2.1)nonanes (II) and (III).
ChemInform Abstract: Antitumor Properties of Tetrahydrobenz(a)anthraquinone Derivatives.
Authors: MORREAL C. E. , BERNACKI R. J. , HILLMAN M. , ATWOOD A. , CARTONIA D.
Published: May 2016

The tetracyclus (III) is prepared by Friedel‐Crafts acylation of the tetralin (II) with the diacetoxyphthalic anhydride (I), followed by cyclization and deacetylation.
ChemInform Abstract: Synthesis of 2‐Oxo‐2H‐pyran‐5‐carboxylate Derivatives.
Authors: KVITA V.
Published: May 2016

The hardly accessible 6‐unsubstituted title compounds (IV) are prepared by a novel procedure in fair to high yields.
ChemInform Abstract: Hydro(trisyl)boranes (Me3Si)3CBHX and ‐borates M(H3BC(SiMe3)3)x.
Authors: PAETZOLD P. , GERET L. , BOESE R.
Published: May 2016

The Li borate (III) hydrogenation product from (I), can be converted into the boranes (IV) and (VI) (space group P1, Z=4) as well as into the tris(borato)‐Zr(IV) complex (VIII) (P21/c, Z=4).
ChemInform Abstract: Samarium(II) Iodide Mediated Carbocycles from Carbohydrates: Application to the Synthesis of the C Ring of Anguidine.
Authors: ENHOLM E. J. , SATICI H. , TRIVELLAS A.
Published: May 2016

Starting with the protected L‐arabinose lactol (I), the carbohydrate template (VIII) is synthesized as outlined in the reaction scheme.
ChemInform Abstract: Phase‐Transfer Catalysis in the Synthesis of Phosphorylated Pyrazoles and 2‐Pyrazolines.
Authors: KORMACHEV V. V. , KOLYAMSHIN O. A. , MITRASOV YU. N. , BELOV YU. P.
Published: May 2016

The pyrazoles (III) and the 2‐pyrazolines (VII), prepared from the ketones (I) or (VI) and hydrazinoethanol (II), are coupled with the dialkyl phosphites (IV) in the presence of a phase‐transfer catalyst to produce the phosphates (VII) and (VIII).
ChemInform Abstract: Chemistry of Phosphorus. Part 200. Tetraisopropyl‐tetradecaphosphane(4), P14(i‐Pr)4 ‐ Preparation and Structural Characterization.
Authors: BAUDLER M. , JACHOW H.
Published: May 2016

The title compound (I) is obtained by reacting iPr‐PCl2, P4 and Mg and subsequently thermolysing the crude reaction product followed by column chromatographic isolation and recrystallization in 8% yield.
ChemInform Abstract: A Novel Hexachelating Amino‐Thiol Ligand and Its Complex with Gallium(III).
Authors: MOORE D. A. , FANWICK P. E. , WELCH M. J.
Published: May 2016

The title ligand (I), prepared from the parent amine and ethylene sulfide in 68% yield, gives the complex (III), crystallizing as the CH2Cl2 disolvate in P21/n with Z = 6. For comparison the complex (IV) ( P21/n, Z=4) is synthesized by a known method.
ChemInform Abstract: Reactivity of a Sc‐Si Bond Toward CO and CN(2,6‐Me2C6H3). Generation and Reactivity of an Apparent Silene Intermediate Resulting from Isocyanide Coupling at Scandium.
Authors: CAMPION B. K. , HEYN R. H. , TILLEY T. D.
Published: May 2016

The reactions of the Sc silyl compound (I) with two equiv. CO (II) in benzene or two equiv. xylyl isocyanide (VII) producing (V) and (VIII) (space group P21/c, Z=4), resp., reveal new chemical processes involving CO‐CO and CN‐Xyl‐CN‐Xyl coupling promoted by a d0 metal center.
ChemInform Abstract: Synthesis and Structural Characterization of cis and trans (MoCl4(H2NtBu)2).
Authors: LIU S. , ZUBIETA J.
Published: May 2016

The reaction of (I) with the amine (II) yields the tert.‐butylamine complex as bis‐solvate of the amine.
ChemInform Abstract: Tris(pentafluorophenyl)gold(III) Complexes with O‐, N‐ or S‐Donor Ligands.
Authors: USON R. , LAGUNA A. , LAGUNA M. , JIMENEZ J. , DURANA M. E.
Published: May 2016

The ether‐Au(III) complex (III) is a better intermediate complex than its tetrahydrothiophene analogue.
ChemInform Abstract: Synthesis, Characterization, and Reactivity of Platinum(II) Complexes of a Mesocyclic Ligand, 5‐Phenyl‐1‐thia‐5‐phosphacyclooctane.
Authors: TOTO S. D. , OLMSTEAD M. M. , ARBUCKLE B. W. , BHARADWAJ P. K. , MUSKER W. K.
Published: May 2016

In the reaction of (I) with (IIa) besides (IVa) a small amount of (III) (P1, Z=1) is formed, which represents a Pt(II) complex of the first saturated 16‐membered ring phosphine‐thioether.
ChemInform Abstract: Preparation of “Semialdehyde” Derivatives of Aspartic and Glutamic Acid via the Rosenmund Reduction.
Authors: BOLD G. , STEINER H. , MOESCH L. , WALLISER B.
Published: May 2016

Suitably protected aspartic‐acid "β‐semialdehyde", e.g. compound (IIa), and glutamic‐acid "γ‐aldehyde" derivatives, e.g. compounds (IIb) and (IV), are obtained, in good yield by Rosenmund reduction of the corresponding acid chlorides.
ChemInform Abstract: Synthesis of (.+‐.)‐2,3‐Methanovaline and (.+‐.)‐2,3‐Methanoleucine.
Authors: SRIVASTAVA V. P. , ROBERTS M. , HOLMES T. , STAMMER C. H.
Published: May 2016

The serine derivatives (I) are converted to the protected dehydroalanine derivatives (II) which undergo addition reaction with the diazoalkanes (III) to form the pyrazolines (IV).
ChemInform Abstract: O‐Aryl Phosphoramidites: Synthesis, Reactivity and Evaluation of Their Use for Solid‐Phase Synthesis of Oligonucleotides.
Authors: ERITJA R. , SMIRNOV V. , CARUTHERS M. H.
Published: May 2016

Deoxynucleoside 3'‐O‐arylphosphoramidites are studied as synthons for preparing natural and modified internucleotide linkages.
ChemInform Abstract: Fe2O3‐V2O5 Glasses as Cathode in Lithium Batteries.
Authors: MACHIDA N. , FUCHIDA R. , MINAMI T.
Published: May 2016

The electrochemical properties of Fe2O3‐V2O5 glasses containing 0‐50 mol% Fe2O3 are studied in Li cells with 1 M LiClO4/propylene carbonate electrolyte.
ChemInform Abstract: New Low‐Dimensional Zinc Compounds Containing Zinc‐Oxygen‐Phosphorus Frameworks: Two Layered Inorganic Phosphites and a Polymeric Organic Phosphinate.
Authors: SHIEH M. , MARTIN K. J. , SQUATTRITO P. J. , CLEARFIELD A.
Published: May 2016

The new zinc phosphites (IVa) ( P21/n, Z=4) and (IVb) (P1, Z=2), prepared according to the scheme (yields not given), have layered structures in which the Zn atoms are tetrahedrally coordinated and the alkaline‐earth‐metal atoms show eight‐fold coordination.
ChemInform Abstract: Vanadiumtetrafluoride.
Authors: BECKER S. , MUELLER B. G. +
Published: May 2016

Single crystals of VF4 are obtained by reaction of vanadium powder with F2 in a temp. gradient (slight excess F2, 280 → 180 °C, autoclave, 10 weeks).
ChemInform Abstract: Electronic and Molecular Structure of (FKrNCH)+. The Question of Hypervalent Bonding.
Authors: DIXON D. A. , ARDUENGO A. J. III
Published: May 2016

Ab initio MO calculations on the title complex are consistent with an ionic and a covalent component in the bonding of (FKr)+ with NCH.
ChemInform Abstract: The Addition of 1,3‐Diphenylisobenzofuran to Cyclooctatetraene and to Dimethyl Cyclooctatetraene‐1,2‐dicarboxylate. The Benzene Ring as a Dienophile in an Intramolecular Diels‐Alder Reaction.
Authors: SAITO K. , OMURA Y. , MAEKAWA E. , GASSMAN P. G.
Published: May 2016

The reaction of cyclooctatetraene (II) or its dicarboxylate (V) with 1,3‐diphenylisobenzofuran (I) affords ‐ depending on the reaction temperature ‐ several types of compounds such as the cage‐type 1:1 and 1:2 adducts (III) and (IV), the 1:1 adduct (VI) or the 1:2 adduct (VII).
ChemInform Abstract: Rearrangements of Some Polycyclic Hydroxy Ketones in Strong Protic Acids.
Authors: MILLS O. S. , WATT C. I. F. , WHITWORTH S. M.
Published: May 2016

In addition to the degenerate rearrangement of (I) by 1,4‐hydride shift, the formation of (II) (or (III)) via a nondegenerate rearrangement is observed.
ChemInform Abstract: Photochemically Induced Reactions of 5‐Diazobarbituric Acids in Solution.
Authors: ULBRICHT M. , TOMASCHEWSKI G. , THURNER J. U.
Published: May 2016

Quantum yields are determined (in EtOH) for the photolysis of 5‐diazobarbituric acid and six derivatives such as (III).
ChemInform Abstract: 4,4′‐Dimethoxytrityl and 4‐Monomethoxytrityl Tetrafluoroborate: Convenient Reagents for the Protection of Primary Alcohols Including Sugars.
Authors: BLEASDALE C. , ELLWOOD S. B. , GOLDING B. T.
Published: May 2016

Protection of primary alcohol groups such as in (III) or (V) with the title compounds (II) or (VII) is selectively effected in non‐donor solvents (e.g.
ChemInform Abstract: A New Catalytic System for the Hydroformylation of Styrene Using Alkene Complexes of Platinum(0).
Authors: BOTTEGHI C. , PAGANELLI S. , MATTEOLI U. , SCRIVANTI A. , CIORCIARO R. , VENANZI L. M.
Published: May 2016

The platinum(0) complexes (I) and (II), when promoted by Me‐SO3H, become active catalysts for styrene hydroformylation with total yields of aldehydes ranging from 44 to 67% and selectivities towards 3‐phenylpropanal ranging from 80 to 88%.
ChemInform Abstract: Reactions of Carbon Suboxide with Phosphorus, Sulfur and Chlorine Derivatives.
Authors: PANDOLFO L. , PAIARO G.
Published: May 2016

Carbon suboxide (I) reacts with the phosphorus derivatives (II) or (V) to afford the C=C insertion products (III) or (IV), respectively.
ChemInform Abstract: trans‐Disubstituted Cyclohexadienes via Sequential Addition of a Carbon Nucleophile and an Electrophile to (η6‐Benzene)tricarbonylchromium: Scope of Carbon Electrophiles.
Authors: KUENDIG E. P. + , CUNNINGHAM A. F. JUN. , PAGLIA P. , SIMMONS D. P. , BERNARDINELLI G.
Published: May 2016

A regio‐ and stereoselective route from the benzene chromium complex (I) to trans‐disubstituted cyclohexadienes such as (VI) is reported.
ChemInform Abstract: Regiospecific Synthesis of Chiral Bicyclo(2.2.2)oct‐5‐en‐2‐ones from (S)‐Carvone.
Authors: SRIKRISHNA A. , HEMAMALINI P.
Published: May 2016

Treatment of the bromocarvone (II), obtained as by‐product in the NBS bromination of (S)‐carvone (I) in the presence of NaOAc/AcOH, according to conditions A), gives regiospecifically the dienone (III).
ChemInform Abstract: Organic Synthesis Using Haloboration Reaction. Part 17. The Stereoselective Synthesis of α,β‐Unsaturated Ketones by the Stepwise Cross‐Coupling Reaction of E‐(2‐Bromoethenyl)diisopropoxyborane.
Authors: OGIMA M. , HYUGA S. , HARA S. , SUZUKI A.
Published: May 2016

α‐Methoxyvinylzinc chloride (I) is coupled with the bromovinylboronate (II) in the presence of a Pd catalyst to give the dienylboronates (III) which are substituted with the halides (IV) to produce the methoxy dienes (V).
ChemInform Abstract: A Very Convenient Synthesis of Cyclopenta(cd)pyrene.
Authors: SPIJKER N. M. , VAN DEN BRAKEN‐VAN LEERSUM A. M. , LUGTENBURG J. , CORNELISSE J.
Published: May 2016

The pyrene derivative (V) mentioned in the title represents a constituent of the class of polycyclic hydrocarbons produced in combustion and exhibits carcinogenic properties.
ChemInform Abstract: A New Route to Benzo(a)naphthacene‐8,13‐diones: Synthesis and Revision of the Structure Proposed for G2N.
Authors: HAUSER F. M. , CARINGAL Y.
Published: May 2016

As outlined in the reaction scheme, the hexahydrobenzonaphthacenone (III) is formed by cyclocondensation of the phthalide sulfone (I) with the hydrophenanthrone (II).
ChemInform Abstract: Diisophorone and Related Compounds. Part 23. A Rearrangement of the Tricyclo(7.3.1.02,7)tridecane to the Bicyclo(4.2.1)nonane‐7‐spiro‐2′‐(tetrahydrofuran) Ring System.
Authors: KURZER F. , ALLEN A. A.
Published: May 2016

The formation of the spiro compound (II) proceeds via a Baeyer‐Villiger oxidation, a recyclisation and a pinacol rearrangement.
ChemInform Abstract: 1,4‐Dihydronaphthoquinones, Hydroindoloquinones, Benzofurans, and Benzothiophenes as Inhibitors of 5‐Lipoxygenase. Synthesis and Structure‐Activity Studies.
Authors: YAMASHITA A. , SCHAUB R. G. , BACH M. K. , WHITE G. J. , TOY A. , GHAZAL N. B. , BURDICK M. D. , BRASHLER J. R. , HOLM M. S.
Published: May 2016

The aryl bromides (I) and (VIII) are lithiated, coupled with the chromium complex (II), and subsequently O‐methylated to form the corresponding chromium carbene complexes (IV) and (IX).
ChemInform Abstract: Organophosphorus Chemistry. Part 13. The Behavior of 3‐Aryliminoxindoles Toward Alkyl Phosphites.
Authors: ABDOU W. M. , ABD EL‐RAHMAN N. M. , MAHRAN M. R. H.
Published: May 2016

AcOH (or H2O) is essential for the reaction of the title indoles (I) with trialkylphosphites (II) to give the indolylphosphonates (III).
ChemInform Abstract: Ruthenium‐Catalyzed Dehydrogenative N‐Heterocyclization: Indoles from 2‐Aminophenethyl Alcohols and 2‐Nitrophenethyl Alcohols.
Authors: TSUJI Y. , KOTACHI S. , HUH K.‐T. , WATANABE Y.
Published: May 2016

The 2‐aminophenethyl alcohol (IV), prepared from the corresponding 2‐nitrotoluene derivative (I) as shown in the reaction scheme, undergoes Ru‐catalyzed cyclization to form the indole (V).
ChemInform Abstract: A Synthetic Route to Bicyclic Pyrazolenines via 3‐Chloropyrazolines and the Ring Opening of Pyrazolenines to Diazoalkenes.
Authors: NAKANO Y. , HAMAGUCHI M. , NAGAI T.
Published: May 2016

The 1,3‐dipolar cycloaddition reaction of the diazoalkanes (I) with the chlorofumarate (II) yields the 3‐chloropyrazolines (III) which undergo dehydrohalogenation on treatment with triethylamine, forming the 3H‐pyrazoles (IV).
ChemInform Abstract: Potential Antitumor Agents. Part 59. Structure‐Activity Relationships for 2‐Phenylbenzimidazole‐4‐carboxamides, a New Class of “Minimal” DNA‐Intercalating Agents which May not Act via Topoisomerase II.
Authors: DENNY W. A. , REWCASTLE G. W. , BAGULEY B. C.
Published: May 2016

The diaminobenzoic acids (IV) are prepared via Curtius rearrangement of the azide (III) or via oxidation, nitration, and reductive debromination of the isatin (V).
ChemInform Abstract: A Novel Method for the Amination of 4,6‐Dinitrobenzofuroxan via Meisenheimer Complexes.
Authors: GOEHRMANN B. + , NICLAS H.‐J.
Published: May 2016

According to (IIIa), all the Meisenheimer complexes (IIIa)‐(IIIc) are prepared from dinitrobenzofuroxan (I) and the respective alkali amides.
ChemInform Abstract: Synthesis of n‐Butyl 2(H)‐Oxonaphtho(1,2‐b)pyran‐4‐acetate and n‐Butyl 3(H)‐Oxonaphtho(2,1‐b)pyran‐1‐acetate and Their Reactions.
Authors: SOLIMAN A. Y. , EL‐NAGDY S. , BAKEER H. M. , MOUSTAFA M. M. , SALEH R. M.
Published: May 2016

The esters (I) and (XVI) are prepared by treatment of the corresponding acids with butanol and subjected to a series of reactions as shown for (I).
ChemInform Abstract: 4‐Alkyl‐3‐phenyl‐2H‐1‐benzopyran‐2‐ones and Related Compounds as Potential Pesticides.
Authors: SANGWAN N. K. , VERMA B. S. , MALIK O. P. , DHINDSA K. S.
Published: May 2016

Twelve compounds of type (IV) and four compounds of type (VI) are prepared and tested for in vitro antifungal activity.
ChemInform Abstract: The Cyclization of Benzylaminonitriles. Part 7. Regiospecific Formation of Methoxysubstituted Isoquinolin‐4‐ones Using Methylthio Activating Groups.
Authors: GAVIN J. P. , WAIGH R. D.
Published: May 2016

Cyclization of the dimethoxybenzyl derivatives (I) yields preferably the 5,6‐dimethoxyisoquinolines (II), the desired 7,8‐dimethoxy derivatives (III) being only by‐products.
ChemInform Abstract: Syntheses of 1,3‐Disubstituted N‐Oxy‐β‐carbolines by the Pictet‐Spengler Reactions of N‐Oxy‐tryptophan and ‐tryptamine Derivatives.
Authors: HERMKENS P. H. H. , VAN MAARSEVEEN J. H. , COBBEN P. L. H. M. , OTTENHEIJM H. C. J. , KRUSE C. G. , SCHEEREN H. W.
Published: May 2016

N‐Hydroxy‐ and N‐alkoxytryptophans are prepared by a simple and general method and subjected to Pictet‐Spengler reactions.
ChemInform Abstract: Synthesis and Biological Activity of Some New 2‐Chlorophenothiazine Derivatives.
Authors: EL‐EZBAWY S. R. , ALSHAIKH J. A.
Published: May 2016

The (chloroacetyl)chlorophenothiazine (I) reacts with the aromatic or heteroaromatic mercaptans (II) to yield the (arylthioacetyl)chlorophenothiazines (III).
ChemInform Abstract: Synthesis of α‐Substituted Hydroazepine Derivatives from ε‐Caprolactam.
Authors: NAGASAKA T. , KOSEKI Y. , HAYASHI H. , YASUDA Y. , HAMAGUCHI F.
Published: May 2016

Consecutive treatment of ε‐caprolactam (I) with sodium hydride and ethyl chloroformate (II) leads to the formation of 1‐(ethoxycarbonyl)hexahydro‐2H‐azepin‐2‐one (III) which is reduced with sodium borohydride in ethanol (IV) to form the 2‐ethoxyhexahydroazepine (V).
ChemInform Abstract: Pentacoordinated Molecules. Part 79. Pentacoordinate Acyclic and Cyclic Anionic Oxysilicates. A 29Si NMR and X‐Ray Structural Study.
Authors: SWAMY K. C. K. , CHANDRASEKHAR V. , HARLAND J. J. , HOLMES J. M. , DAY R. O. , HOLMES R. R.
Published: May 2016

Variable‐temp.
ChemInform Abstract: A Novel Synthesis of α‐Fluoroalkylvinyl‐ or α‐Fluoroepoxyalkyl‐phosphonates.
Authors: SHEN Y. , LIAO Q. , QIU W.
Published: May 2016

The use of MeLi instead fo BuLi in the first reaction step shifts the product ratio markedly to the epoxide (V); thus, the ratio of (IVa):(Va) with MeLi is 2:51.
ChemInform Abstract: Synthesis, Isomer Separation, and Metal Complexation Studies of Aza‐ and Oxaphosphands, a Class of Hard/Soft Dinucleating Phosphine Macrocycles.
Authors: WEI L. , BELL A. , AHN K.‐H. , HOLL M. M. , WARNER S. , WILLIAMS I. D. , LIPPARD S. J.
Published: May 2016

The two hybrid, asym.
ChemInform Abstract: Synthesis and Coordination Chemistry of the Hexadentate Ligands 1,4,7‐Tris(2‐hydroxybenzyl)‐1,4,7‐triazacyclononane (H3L1) and 1,4,7‐Tris(3‐tert.‐butyl‐2‐hydroxybenzyl)‐1,4,7‐triazacyclononane (H3L2). Crystal Structures of (HL1CuII) and (L2FeIII)acacH.
Authors: AUERBACH U. , ECKERT U. , WIEGHARDT K. , NUBER B. , WEISS J.
Published: May 2016

A third five‐coordinate Cu complex (red, 31% yield) is obtained under the same conditions as (VI) (green) without addition of HClO4.
ChemInform Abstract: Monocyclopentadienylzirconium and ‐hafnium Alkyls: Synthesis, Hydrogen‐Transfer Reactions, and Catalytic Features in the Reactivity with α‐Olefins. X‐Ray Structure of CpZr(η4‐butadiene)(dmpe)Cl (dmpe: 1,2‐Bis(dimethylphosphino)ethane).
Authors: WIELSTRA Y. , GAMBAROTTA S. , SPEK A. L.
Published: May 2016

The structure of a new class of butadiene complexes (III) is confirmed by an X‐ray analysis of (IIIa) ( P21/n, Z=4), which can be synthesized more conveniently on a large scale by reduction of (IV) in the presence of (V).
ChemInform Abstract: Multidentate Lewis Acids. Synthesis, Structure, and Reactions of Complexes of Bidentate Zirconium Trichloride Alkoxides.
Authors: GALEFFI B. , SIMARD M. , WUEST J. D.
Published: May 2016

The simple preparation of the mer‐octahedral complex (III) offers the opportunity to synthesize the THF‐adduct (V) of a bidentate zirconiumtrichloride alkoxide.
ChemInform Abstract: Synthesis, Structure, and Reactivity of (Phosphoranylidenephosphine)pentacarbonyltungsten Complexes. Another Access to the Phosphorus‐Carbon Double Bond.
Authors: LE FLOCH P. , MARINETTI A. , RICARD L. , MATHEY F.
Published: May 2016

The title complexes (III) are synthesized as shown for (IIIa)‐(IIId).
ChemInform Abstract: Transmetalation of Tetranuclear Copper(I) Complexes with an Fe(NS)3 Reagent.
Authors: DAVIES G. , EL‐SAYED M. A. , EL‐TOUKHY A. , HENARY M.
Published: May 2016

Stoichiometric transmetalation of tetranuclear Cu(I) complexes (I) by (II) is preceded by electron transfer from Cu(I) to Fe(III) leading to Fe(II)‐containing products (III), whereas the reactions of (III) with (IV) (or (II)) give Fe(III)‐containing dimers (VI) and trimers (VIII) after oxidation.
ChemInform Abstract: Synthesis, Crystal Structure, and Magnetic Properties of a Pyrazolate‐Bridged Binuclear Copper(II) Complex.
Authors: DOMAN T. N. , WILLIAMS D. E. , BANKS J. F. , BUCHANAN R. M. , CHANG H.‐R. , WEBB R. J. , HENDRICKSON D. N.
Published: May 2016

The asymmetric Schiff‐base ligand (I), formed by condensation of salicylaldehyde and 1,4‐diaminobutanol‐(2), reacts with a copper salt in the presence of pyrazole to give the new title complex (IV) (space group P21/c, Z=4).
ChemInform Abstract: Catalytic Functionalization of C‐H Bonds by Isonitrile Insertion. Preparation, Characterization, and Reactivity of RhCl(PR3)2(CNR′).
Authors: JONES W. D. , HESSELL E. T.
Published: May 2016

From the Rh(I) complexes (IV) prepared all of the neopentyl complexes (IVa)‐(IVc) produce the isonitrile insertion compound (VI) on irradiation in benzene (V) solvent.
ChemInform Abstract: Synthesis of Mono‐ and Sesquiterpenoids. Part 18. Stereocontrolled Synthesis of (‐)‐Prezizanol, (‐)‐Prezizaene, Their Epimers and (‐)‐Allokhusiol.
Authors: SAKURAI K. , KITAHARA T. , MORI K.
Published: May 2016

The β‐keto ester (I), available from (R)‐(+)‐pulegone, is used as the common starting material for the synthesis of 5‐epiprezizanol (XI), 5‐epiprezizaene (XII), prezizanol (XV), prezizaene (XVI) and allokhusiol (XVII).
ChemInform Abstract: The Structure of Euphorianin (I), an Ingol Diterpenoid from Euphorbia poisonii.
Authors: FAKUNLE C. O. , OKOGUN J. I. , EKONG D. E. , CONNOLLY J. D. , RYCROFT D. S.
Published: May 2016

The residual uncertainty in the structure of the title compound (I), an ingol diterpenoid from the latex of Euphorbia poisonii, is resolved by nuclear Overhauser enhancement difference experiments which revealed the configuration at C‐19 to be S. In this paper spectroscopic properties of compound (I) and some transformation products, e.g. (II) are reported.
ChemInform Abstract: Convenient Synthesis of 1,2,4‐Tri‐O‐acetyl‐5‐deoxy‐5‐((R)‐ and (S)‐ethylphosphino and phenylphosphino)‐3‐O‐methyl‐α,β‐D‐xylopyranoses and Their Phosphinothioyl Derivatives.
Authors: HANAYA T. , SHIGETOH N. , YAMAMOTO H. , ARMOUR M.‐A. , HOGG A. M.
Published: May 2016

The isomeric ethylphosphinyl‐xylopyranose acetates (V) and, as an inseparable mixture, (VI) are prepared from the xylofuranose (IIIa) (or, with comparable yields, from (IIIb)).
ChemInform Abstract: Synthesis and Antiviral and Cytotoxic Activity of Iodohydrin and Iodomethoxy Derivatives of 5‐Vinyl‐2′‐deoxyuridines, 2′‐Fluoro‐2′‐deoxyuridine, and Uridine.
Authors: KUMAR R. , XU L. , KNAUS E. E. , WIEBE L. I. , TOVELL D. R. , TYRRELL D. L. , ALLEN T. M.
Published: May 2016

Addition of hypoiodite to the vinyluridines (I) yields regioselectively the iodohydrins (II).
ChemInform Abstract: Synthesis and β‐Lactamase Inhibitory Activity of 3‐Cyano‐3‐cephem Derivatives.
Authors: NISHIMURA S. , YASUDA N. , SASAKI H. , MATSUMOTO Y. , KAMIMURA T. , SAKANE K. , TAKAYA T.
Published: May 2016

The phenylacetylaminocephem (XII) is prepared from (XI) analogously to the 7‐unsubstituted product (IX) from (VI).
ChemInform Abstract: Neutral Acyclic Analogues of Crown Ethers, Cryptands and Their Complexing Properties
Authors: KRON T. E. , TSVETKOV E. N.
Published: May 2016

Review: (241 refs.
ChemInform Abstract: Spectroscopic Studies on Molecular Vanadium Pentafluoride Isolated in Inert Gas Matrices.
Authors: HOPE E. G.
Published: May 2016

VF5 is prepared in 50‐60% yield by static fluorination of vanadium metal (autoclave, 250 °C, 2 h).
ChemInform Abstract: Structure of Ba2Cu(BO3)2.
Authors: SMITH R. W. , KESZLER D. A.
Published: May 2016

Single crystals of the title compound are grown from a melt consisting of 50 mol% LiBO2 and 50 mol% Ba2Cu(BO3)2.
ChemInform Abstract: Absorption, Luminescence, IR and Raman Spectroscopy of a Novel Polynuclear Neodymium Compound: Nd2(OH)3(ClO4)3·5 H2O.
Authors: HUSKOWSKA E. , LEGENDZIEWICZ J. , HANUZA J.
Published: May 2016

The IR and Raman spectra of the title compound (synthesis not described) are discussed in relation to the crystal structure (monoclinic, C2/c, Z=4).
ChemInform Abstract: Thermochemical Studies in the Sodium‐Chromium‐Oxygen System
Authors: SAMPATH S. , SALI S. K. , JAYADEVAN N. C.
Published: May 2016

(TG, DTA, XRD) are performed because of the importance of NaCrO2 with respect to the corrosion of stainless steel by oxygen contaminated sodium in fast reactors.
ChemInform Abstract: Trivalent Lead as an Intermediate in the Oxidation of PbII and the Reduction of PbIV Species.
Authors: MOSSERI S. , HENGLEIN A. , JANATA E.
Published: May 2016

Electron pulse and γ‐radiolysis experiments with Pb(ClO4)2 solutions are performed for pH < 7.0 and > 11.4.
ChemInform Abstract: Synthesis of the Arsenates of Alkaline Metals.
Authors: CHAVCHANIDZE N. G. , GIUASHVILI I. I. , UGULAVA M. M. , GIGAURI R. D.
Published: May 2016

A novel synthesis of the title compounds (IV) is reported.
ChemInform Abstract: Matrix Reactions of Germane and Oxygen Atoms. IR Spectroscopic Evidence for Germylene‐Water Complex, Gemanone, Germanol, Hydroxygermylene, and Germanic Acid.
Authors: WITHNALL R. , ANDREWS L.
Published: May 2016

The photochemical reaction of GeH4 and O3 in solid argon is studied by IR spectroscopy.
ChemInform Abstract: (BEDO)2.4I3: The First Robust Organic Metal of BEDO‐TTF.
Authors: WUDL F. , YAMOCHI H. , SUZUKI T. , ISOTALO H. , FITE C. , KASMAI H. , LIOU K. , SRDANOV G. , COPPENS P. , MALY K. , FROST‐JENSEN A.
Published: May 2016

Results on the title salt (II) are presented (temp.
ChemInform Abstract: Homochiral Fluoroorganic Compounds. Synthesis of the Two Enantiomers of (Z)‐3‐Fluoro‐4‐phenyl‐1‐(p‐tolylsulfonyl)but‐3‐en‐2‐ol Through Microbial Reduction.
Authors: BERNARDI R. , BRAVO P. , CARDILLO R. , GHIRINGHELLI D. , RESNATI G.
Published: May 2016

The microbial reduction of the fluorobutenone (I) yields either the (S)‐ or (R)‐configurated fluorobutenols (II) in enantiomerically pure form.
ChemInform Abstract: Chiral Synthesis via Organoboranes. Part 24. B‐Allylbis(2‐isocaranyl)borane as a Superior Reagent for the Asymmetric Allylboration of Aldehydes.
Authors: BROWN H. C. , RANDAD R. S. , BHAT K. S. , ZAIDLEWICZ M. , RACHERLA U. S.
Published: May 2016

The title reagent (V) ‐ prepared in three steps via hydroboration of (+)‐2‐carene (I) ‐ is shown to undergo asymmetric allylboration with a variety of aldehydes such as (VI) to give the corresponding homoallylic alcohols in 94‐99% e.e.
ChemInform Abstract: Allylic Substitution by Carbon Nucleophiles on 4‐Bromo‐4‐methyl‐2‐pentenoate: Anti‐Michael Regioselectivity.
Authors: ROUX‐SCHMITT M.‐C. , PETIT A. , SEVIN A. , SEYDEN‐PENNE J. , NGUYEN TRONG ANH NGUYEN TRONG ANH
Published: May 2016

Reaction of carbanions of nitriles such as (II), (VI) with the tert.‐bromoester (I) does not give cyclopropanes but the products (III), (IV), (V) or (VII), (VIII) are formed.
ChemInform Abstract: Diels‐Alder Reaction of Chiral Dienes. Remarkable Effect of Dienophile Polarity Upon Diastereoface Selectivity.
Authors: HAMADA T. , SATO H. , HIKOTA M. , YONEMITSU O.
Published: May 2016

The optically active 5‐methoxy(benzyloxy)‐1,3‐dienes (I) are subjected to cycloaddition reaction with various dienophiles such as (II), (V), or (VII) to give chiral Diels‐Alder adducts.
ChemInform Abstract: Transition‐Metal‐Induced Generation of C2H4 from 1,7‐Octadiene: Regiospecific Activation of Internal C‐C Bonds Instead of Metathesis‐Like Coupling of Terminal CH2 Groups.
Authors: STEINRUECK N. + , DANGE O. , STOECKIGT D. + , SCHWARZ H.
Published: May 2016

The reaction of "naked" transition‐metal ions M+ (M: Fe, Ni, Cr) with 1,7‐octadiene is one of the rare examples of directed activation of C‐C bonds without prior C‐H bond activation.
ChemInform Abstract: Intramolecular Interconversion of syn‐ and anti‐Tricarbonyl(1‐ethoxy‐1,2‐dihydrocyclobutabenzene)chromium. Trapping of the ortho‐Quinodimethane Intermediate.
Authors: KUENDIG E. P. + , BERNARDINELLI G. , LERESCHE J. , ROMANENS P.
Published: May 2016

The reversible isomerization of syn‐(I) (P212121, Z=4) to anti‐(III) occurs without cleavage of metal‐ligand bonds, as demonstrated through a (4 + 2) cycloaddition with (IV) as the dienophile, which leads to the trapping of the intermediate (II).
ChemInform Abstract: Preparation and Study of the Fe+ 2‐Benzyne Ion in the Gas Phase.
Authors: HUANG Y. , FREISER B. S.
Published: May 2016

The study of transition‐metal benzyne complexes is of interest because the transition‐metal center greatly stabilizes the highly reactive benzyne ligand.
ChemInform Abstract: Stereoelectronic Effects in the Deprotonation of Arylalkyl Radical Cations: meso‐Ethylanthracenes.
Authors: TOLBERT L. M. , KHANNA R. K. , POPP A. E. , GELBAUM L. , BOTTOMLEY L. A.
Published: May 2016

Oxidations of the title compounds (III) and (IV) are performed to study further the "ethyl" effect, that is, the abolition of carcinogenic activity when certain otherwise carcinogenic polynuclear aromatic hydrocarbons are substituted at the meso position by an ethyl group.
ChemInform Abstract: Oxidation of Olefins by Oxygen with a Mixed Palladium/Silver Nitrite Catalyst in Alcohols.
Authors: SAGE J.‐M. , GORE J. , GUILMET E.
Published: May 2016

The terminal olefin (I) is treated with oxygen in the presence of a palladium phosphine catalyst and a nitrite in alcohols to form the methyl ketone (II).
ChemInform Abstract: A Surprising Observation Concerning Sodium Hydride Based Complex Reducing Agents.
Authors: NORDAHL A. , CARLSON R.
Published: May 2016

Complex reducing agents (CRA) prepared from NaH, an alkoxide, and a transition metal salt are known to reduce C=C double bonds (Ni‐CRA) and carbonyl groups (Zn‐CRA).
ChemInform Abstract: Hydrogenolysis of α,β‐Epoxy Ketone and Ester to Aldol in Pd(0)/HCOOH/ Et3N and H2/Pd/C Reduction Media.
Authors: TORII S. , OKUMOTO H. , NAKAYASU S. , KOTANI T.
Published: May 2016

Various α,β‐epoxy ketones are treated with triethylammonium formate in the presence of a Pd(II) phosphine catalyst or directly hydrogenated to give hydroxy ketones, hydroxy epoxides, or diols.
ChemInform Abstract: (2‐(Benzyloxy)‐1‐(N‐2,6‐xylylimino)ethyl)samarium as a Synthetic Equivalent to α‐Hydroxyacetyl Anion.
Authors: MURAKAMI M. , KAWANO T. , ITO Y.
Published: May 2016

The title samarium compound (IV) ‐ prepared in situ from benzyl chloromethyl ether (I) ‐ is shown to be a valuable synthetic equivalent of the α‐hydroxyacetyl anion and may replace multistep procedures which are used up to now for the assembly of a dihydroxyacetone side chain in the synthesis of natural compounds.
ChemInform Abstract: Formation of 1‐(Trimethylsilyl) 1,4‐Dienes by Vinylation of Allyltrimethylsilane in the Presence of the Palladium(0)/Silver Salt System.
Authors: KARABELAS K. , HALLBERG A.
Published: May 2016

The presence of silver salts enhances the rate of the title reaction, suppresses the desilylation and promotes the formation of 1,4‐dienes.
ChemInform Abstract: Reactions of 2,2‐Difluoroalkenylboranes with Halogens in the Presence of Bases. A Novel Synthesis of Symmetrically Disubstituted 1,1‐Difluoro‐1‐alkenes and 1,1‐Difluoro‐2‐iodo‐1‐alkenes.
Authors: ICHIKAWA J. , SONODA T. , KOBAYASHI H.
Published: May 2016

The trifluoroethyl tosylate (I) reacts with LDA and the trialkylboranes (II) to give the intermediate vinylboranes (III) which are rearranged and deboronated upon treatment with sodium methoxide and bromine to produce the 1,1‐difluoroalkenes (IV).