bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Transfer to Organometallic Chemistry of Substituent Constants from Organic Chemistry. Part 1. Resolution of Longstanding Anomalies in the Chemistry of Organocobalt B12 Models and Organocobalamins.
Authors: MARZILLI L. G. , BAYO F. , SUMMERS M. F. , THOMAS L. B. , ZANGRANDO E. , BRESCIANI‐PAHOR N. , MARI M. , RANDACCIO L.
Published: May 2016

Previous difficulties in rationalizing the relative trans effect and trans influence of alkyl groups in organocobalt complexes including organocobalt B12 species (i.e.
ChemInform Abstract: Thermal Investigation and Stereochemical Studies of Some Cyclic Diamine Complexes of Nickel(II) in the Solid State.
Authors: SINGH L. K. , MITRA S.
Published: May 2016

Nickel selenocyanate reacts with ethanolic solutions of the ligands to yield the complexes (I), which are characterized by elemental analysis, IR spectral and magnetic moment data, conductivity measurement and thermal analysis.
ChemInform Abstract: 3d‐Element Aroxides.
Authors: MARMODEE R. , SCHAEFER W. + , ANDRAE K. +
Published: May 2016

THF adducts of CuCl2, CoCl2, and CrCl3 react with phenol, 2‐naphthol, and substituted phenols in the presence of NaNH2 or NEt3 to give the corresponding aroxides (I) which are isolated as their NH3 or NEt3 adducts.
ChemInform Abstract: Synthesis and Characterization of Some Olefin/Phosphine‐tert‐Amine N‐Oxide Platinum(II) Complexes.
Authors: AL‐ALLAF T. A. K. , KHUTHIER A.‐H. , ABDUL‐GANI H. J.
Published: May 2016

Bridge cleavage in the complex (I) by the amine N‐oxides (II) yields the complexes (III).
ChemInform Abstract: Synthesis of Fragments of the Capsular Polysaccharide of Haemophilus influenzae Type b. Part 1. Preparation of Suitably Protected 1‐O‐β‐D‐Ribofuranosyl‐D‐ribitol Building Blocks.
Authors: HERMANS J. P. G. , POOT L. , KLOOSTERMAN M. , VAN DER MAREL G. A. , VAN BOECKEL C. A. A. , EVENBERG D. , POOLMAN J. T. , HOOGERHOUT P. , VAN BOOM J. H.
Published: May 2016

The D‐ribitol derivative (II) which is accessible starting from D‐ribonolactone (I) is condensed with the D‐ribofuranose derivative (III) to give the compound (IVa).
ChemInform Abstract: Phosphorylation of Benzyl‐Protected Sugar Derivatives via 1‐H‐Phosphonate Intermediates: Synthesis of DL‐Myo‐inositol 1,4,5‐Tris‐1‐H‐phosphonate.
Authors: DREEF C. E. , VAN DER MAREL G. A. , VAN BOOM J. H.
Published: May 2016

The stable crystalline ammonium salt (I) is used to phosphonylate prim., sec., or anomeric hydroxyl group of benzyl protected (pseudo)sugar derivatives to yield (IIIb) (or (VII) or (VIII) which are obtained analogously).
ChemInform Abstract: Synthesis of Monosaccharides with the Aid of a New Synthetic Equivalent for the Glycolaldehyde Anion.
Authors: WULFF G. , HANSEN A.
Published: May 2016

Reaction of the diol (I) with the boronic acids (II) or trimethoxyborane (III) yields the esters (IV).
ChemInform Abstract: The Effect of High Pressure on the Stereospecificity of the Glycosylation Reaction.
Authors: KOCHETKOV N. K. , ZHULIN V. M. , KLIMOV E. M. , MALYSHEVA N. N. , MAKAROVA Z. G. , OTT A. YA.
Published: May 2016

Glycosylation of the trityl ether (II) with the 1,2‐O‐cyanoethylidene derivative (I) proceeds at high pressure to give the disaccharides (III) with a 1,2‐trans‐glycosidic linkage.
ChemInform Abstract: Triterpenoids
Authors: CONNOLLY J. D. , HILL R. A.
Published: May 2016

Review: (275 refs.
ChemInform Abstract: Crystal Structure, and Magnetic and Other Properties of Tri‐μ‐hydroxo‐bis(triamminechromium(III)) Perchlorate.
Authors: ANDERSEN P. , DOESSING A. , LARSEN S. , PEDERSEN E.
Published: May 2016

The title dimer, precipitated as the salt (I) from solutions rich in the cis‐diol, cis‐((H2O)(NH3)3Cr(OH)2Cr(NH3)3(OH))3+, containing small amounts to the triol, crystallizes in the orthorhombic system, space group Pmn21, Z=2.
ChemInform Abstract: Control of the Superconducting Properties of YBa2Cu3O7 by Topotactic Redox Reactions.
Authors: EICKENBUSCH H. , PAULUS W. , GOCKE E. , MARCH J. F. , KOCH H. , SCHOELLHORN R. +
Published: May 2016

It is demonstrated that the critical transition temp. of the superconducting title compound can be reversibly and continuously varied between Tc = 93 and 30 K by topotactic deintercalation or intercalation of oxygen.
ChemInform Abstract: Doping Effect of Sodium on γ‐Irradiated Magnesium Oxide.
Authors: MATSUDA T. , YAMADA K. , SHIBATA Y. , MIURA H. , SUGIYAMA K.
Published: May 2016

The concentration of one‐electron donor centers is shown to increase significantly when γ‐irradiated MgO is treated with NaNH2, whereas it decreases when Na doping is performed before γ‐irradiation.
ChemInform Abstract: The Influence of Oxygen Variation on the Crystal Structure and Phase Composition of the Superconductor YBa2Cu3O7‐x.
Authors: MANTHIRAM A. , SWINNEA J. S. , SUI Z. T. , STEINFINK H. , GOODENOUGH J. B.
Published: May 2016

In attempts to prepare a material with an O7.00 (x = 0 in the title compound) composition, the highest oxygen content achieved by annealing in an O2 stream at 440 °C for 24 h is 6.96 (iodometric determination).
ChemInform Abstract: The Electrochemistry of Sub‐Monolayer Silver Deposits on Single Crystal RuO2(110), ‐(001) and ‐(111) Electrodes
Authors: HEPEL T. , POLLAK F. H. , O'GRADY W. E.
Published: May 2016

has been investigated by cyclic voltammetry and linear potential scan stripping voltammetry.
ChemInform Abstract: Control of Ni Metal Particle Size in Ni/SiO2 Catalysts by Calcination and Reduction Temperatures.
Authors: TAMAGAWA H. , OYAMA K. , YAMAGUCHI T. , TANAKA H. , TSUIKI H. , UENO A.
Published: May 2016

It is demonstrated that the particle size of Ni in Ni/SiO2 catalysts prepared by the alkoxide technique depends on the temp. used for the calcination and reduction steps.
ChemInform Abstract: Pr2Br5: No Mixed Valence Praseodymium Bromid.
Authors: SCHLEID T. , MEYER G.
Published: May 2016

The title bromide, prepared by metallothermic reduction of PrBr3 with Li (molar ratio 1:1, 850 °C, sealed Ta container), crystallizes in the monoclinic system, space group P21/m, Z=2.
ChemInform Abstract: Structural and Vibrational Characteristics of the Tetrasulfatodimolybdenum Ions with Mo‐Mo Bond Orders of 3.5 and 4.0.
Authors: BINO A. , COTTON F. A. , MARLER D. O. , FARQUHARSON S. , HUTCHINSON B. , SPENCER B. , KINCAID J.
Published: May 2016

The compound (III), prepared as shown in the scheme (yield in g), crystallizes in the tetragonal space group P4/mnc and is isostructural with the analogous chloride compound, whose structure has been published.
ChemInform Abstract: Thermal Behavior of Hydrated Pyrochlores K(NbW)O6·H2O and K(TaW)O6·H2O.
Authors: JEREZ A. , GARCIA‐MARTIN S. , VEIGA M. L. , GAITAN M. , PICO C.
Published: May 2016

The pyrochlore‐type title materials are prepared by heating stoichiometric mixtures of KNO3, WO3, and M2O5 (M: Nb, Ta) in a porcelain crucible at 900 °C (12 h).
ChemInform Abstract: Rhenium Trichloride, ReCl3, and Its 5/3‐Hydrate Synthesis, Crystal Structure, and Thermal Expansion.
Authors: IRMLER M. , MEYER G.
Published: May 2016

Dark red single crystals of ReCl3 (R3m, Z=18) are grown by vacuum sublimation of the powder (glass ampoule, 420 → ∼ 300 °C).
ChemInform Abstract: Investigation of the Structure of an Insoluble Pigment by Means of NMR.
Authors: HARRIS R. K. , JONSEN P. , PACKER K. J. , CAMPBELL C. D.
Published: May 2016

The insoluble pigment CIPR 57:1, the monohydrated Ca‐salt of (I), is suggested to have a polymeric sheet‐like structure.
ChemInform Abstract: Complexes of Lanthanoid Salts with Macrocyclic Ligands. Part 28. Synthesis, Crystal and Molecular Structure of the 3:2 Complex Between Europium Nitrate and the A‐Isomer of Dicyclohexyl‐18‐crown‐6: Conformational Study of the Ligand.
Authors: NICOLO F. , PLANCHEREL D. , BUENZLI J.‐C. G. + , CHAPUIS G.
Published: May 2016

Eu(NO3)3 dissolved in EtOH reacts with the crown ether (I) under reflux to yield the complex (III).
ChemInform Abstract: Thiopyrylium Cations as Appropriate Compounds for the Quantitative Evaluation of ipso‐Substituent Effects.
Authors: DODDI G. , ERCOLANI G. , NUNZIANTE P.
Published: May 2016

A kinetic and thermodynamic study of the reaction of the thiopyrylium salts (I) and the pyrylium salt (V) with methoxide ion in MeOH is reported.
ChemInform Abstract: β‐Cleavage of Bis(homoallylic) Potassium Alkoxides. Two‐Step Preparation of Propenyl Ketones from Carboxylic Esters. Synthesis of ar‐Turmerone, α‐Damascone, β‐Damascone, and β‐Damascenone.
Authors: SNOWDEN R. L. , LINDER S. M. , MULLER B. L. , SCHULTE‐ELTE K. H.
Published: May 2016

The bis(homoallylic) alcohols (III) which are obtained from the corresponding esters (I) and Grignard compounds (II) (generated in situ) are transformed via β‐cleavage of their potassium alkoxides in HMPA to the products (IV) + (V) or (VI) + (VII), respectively.
ChemInform Abstract: β‐Cleavage of Bis(homoallylic) Potassium Alkoxides. Preparation of 3‐Hydroxypropyl and 4‐Hydroxybutyl Propenyl Ketones from γ‐ and δ‐Lactones. Synthesis of (.+‐.)‐Rose Oxide.
Authors: SNOWDEN R. L. , LINDER S. M. , MULLER B. L. , SCHULTE‐ELTE K. H.
Published: May 2016

The bis(homoallylic) alcohols (III) are prepared from the respective lactones (I) and Grignard compounds (II) which are generated in situ.
ChemInform Abstract: Pyridinium Chlorochromate in Organic Synthesis. A Facile and Selective Oxidative Cleavage of Enol Ethers.
Authors: BASKARAN S. , ISLAM I. , RAGHAVAN M. , CHANDRASEKARAN S.
Published: May 2016

The cyclic enol ethers (I) are oxidized selectively with pyridinium chlorochromate (II) to give the macrocyclic keto lactones (III).
ChemInform Abstract: Oxidation of α‐Keto Alcohols with Triphenylantimony Dibromide. Participation of Pentavalent Antimony.
Authors: OHKATA K. , OHNARI H. , AKIBA K.
Published: May 2016

Reaction of the acyloins (I) with trimethylantimony dichloride (IIa) or triphenylantimony dibromide (IIb) in the presence of two equivalents of a base, e.g. DBU, produces the α‐dicarbonyl compounds (III), together with trimethyl‐ or triphenylstibine (IV).
ChemInform Abstract: An Improved Procedure for Diazotization‐Fluorodediazoniation of Anilines Using Organic Base ‐ HF Agents.
Authors: FUKUHARA T. , YONEDA N. , SAWADA T. , SUZUKI A.
Published: May 2016

The substitution of aromatic amino groups for fluorine is achieved by the following one‐pot procedure: the anilines (I) are solved in neat hydrogen fluoride/pyridine which does not contain any free HF.
ChemInform Abstract: Alkylation Reactions of Ethyl Malonate, Ethyl Acetoacetate, and Acetylacetone by Gas‐Liquid Phase‐Transfer Catalysis (G.L.‐P.T.C.).
Authors: TUNDO P. , VENTURELLO P. , ANGELETTI E.
Published: May 2016

The phase‐transfer catalysts (phosphonium salt, crown ethers, and poly(ethylene glycol)(Carbowax 6000)) which promote the reaction are also the medium in which the alkylation of the activated methylene compounds (I), (V), and (VIII) occurs.
ChemInform Abstract: Reactions of Alkylthiochloroacetylenes with Ammonia and Primary Amines.
Authors: MIRSKOVA A. N. , SEREDKINA S. G. , VORONKOV M. G.
Published: May 2016

Propylthiochloroacetylene (Ib) reacts with sodium amide to give propylthioacetonitrile (II).
ChemInform Abstract: Highly Selective Methods for α‐Alkenylation and α‐Arylation of Ketones via Palladium‐ or Nickel‐Catalyzed Cross Coupling.
Authors: NEGISHI E. , AKIYOSHI K.
Published: May 2016

The cyclopentenylzinc derivative (IV) is prepared from cyclopentanone (I) via lithiation of the corresponding enamine.
ChemInform Abstract: Pd‐Catalyzed Selective One‐Step Synthesis of β‐Naphthoic Acid from Naphthalene and CO.
Authors: JINTOKU T. , TANIGUCHI H. , FUJIWARA Y.
Published: May 2016

The carbonylation of naphthalene (I) is performed in the presence of Pd catalysts under various conditions.
ChemInform Abstract: Aryl (o‐Phenylaryl) Thione S‐Imides and S‐Oxides. Intramolecular Cyclization and Subsequent Rearrangement.
Authors: SAITO T. , KIKUCHI Y. , SUMIZAWA N. , MOTOKI S.
Published: May 2016

The aryl o‐phenylaryl thioketones (I) react with the chloroamine salts (II) to form the intermediate S‐imides (III) which produce a mixture of the fluorenesulfenamides (IV) and the compounds (V) ‐ (VIII).
ChemInform Abstract: Application of Lanthanoids to Organic Chemistry. Direct Alkoxylation of Anthracene.
Authors: SUGIYAMA T.
Published: May 2016

Anthracene (I) reacts with alcohols (II) in the presence of Ce(IV) trifluoroacetate to give the 9‐alkoxyanthracenes (III), together with anthraquinone (IV).
ChemInform Abstract: Strong Participation of the 1‐Methyl Group in Diazotization Reaction of 9‐Aminomethyl‐1,4‐dimethyltriptycene.
Authors: YAMAMOTO G. , OKI M.
Published: May 2016

Diazotization of 9‐(aminomethyl)triptycene (Ia) results in methylene insertion to give the bridgehead alcohol derivatives (II).
ChemInform Abstract: A New Synthesis of Benzimidazolones. Benzoxazolones, and Benzothiazolone from o‐Substituted Nitrobenzenes Using Sulfur and Carbon Monoxide.
Authors: MIYATA T. , KAMBE N. , MURAI S. , SONODA N. , NISHIGUCHI I. , HIRASHIMA T.
Published: May 2016

The o‐nitroanilines and o‐nitrophenols (I) are cyclized with carbon monoxide (II) in the presence of sulfur, triethylamine, and water to give the benzimidazolones (IIIa) ‐ (IIId) or the benzoxazolones (IIIe).
ChemInform Abstract: The First Homolytic Substitution of Pyrylium Salts. C‐4 Methylation of 2,6‐Disubstituted Pyrylium Cations.
Authors: DODDI G. , ERCOLANI G.
Published: May 2016

Methyl radicals, generated from acidic aqueous acetonitrile (II) upon treatment with hydroperoxide and Fe(II), attack the pyrylium salts (I) selectively at position 4, yielding the methylated derivatives (III).
ChemInform Abstract: Intermolecular Cycloaddition Reactions of Exocyclic Nitrones. Facile Synthesis of 1‐Azaspirocycles.
Authors: FUNK R. L. , UMSTEAD DAGGETT J.
Published: May 2016

The nitrones (III), prepared from the cycloalkanones (I) and N‐benzylhydroxylamine (II), undergo Diels‐Alder reaction with the unsaturated esters (IV), producing the spiroisoxazolidines (V).
ChemInform Abstract: α‐Alkyltryptophans.
Authors: BRANA M. F. , GARRIDO M. , LOPEZ RODRIGUEZ M. L. , MORCILLO M. J.
Published: May 2016

Alkylation of N‐benzylidene‐L‐tryptophan methyl ester (I) with the halides (II) and (XII), followed by acidic hydrolysis, yields the α‐alkyltryptophan methyl esters (IV) and the α‐(diphenylethyl)tryptophan methyl ester (XIII).
ChemInform Abstract: A New Rearrangement of α‐Azo Alcohols into N‐Substituted Bridged Bicyclic Lactams. A Possible Model for Conformation‐Dependent Rearrangement.
Authors: OTSUKA T. , TEZUKA T.
Published: May 2016

The α‐azo alcohols (Ia), (Ic), and (Id) undergo ring‐enlargement on thermolysis, producing the N‐amino lactams (IIa) and (IIb) or (V).
ChemInform Abstract: Silacarbonyl and Silathiocarbonyl Ylides.
Authors: ANDO W. , HAGIWARA K. , SEKIGUCHI A.
Published: May 2016

The first spectroscopic evidence for the intermediacy of the hitherto unknown silacarbonyl (IIa) and silathiocarbonyl (IIb) ylides in a low temp. matrix is reported.
ChemInform Abstract: Synthesis of Allenylsilanes from Propargyl Carbamates.
Authors: FLEMING I. , TAKAKI K. , THOMAS A. P.
Published: May 2016

The carbamates (I) and (IV) react with the cuprate derived from (II) to give the allenylsilanes (III) or (V).
ChemInform Abstract: An Efficient Method for Conversion of Carboxylic Acid Derivatives to Allylsilanes.
Authors: ANDERSON M. B. , FUCHS P. L.
Published: May 2016

The reaction of the ethyl carboxylates (III) and the corresponding acyl chlorides (IV) with the metallomethylsilanes (I) is investigated.
ChemInform Abstract: The Acylation of Neutral Phosphoramidates.
Authors: CHALLIS B. C. , ILEY J. N.
Published: May 2016

The neutral sec. phosphoramidates (I) are acylated by acid chlorides such as (IIa) or (IIb), which is 18 times more reactive than (IIa), to give N‐acyl derivatives such as (III), accompanied by (IV) and (V).
ChemInform Abstract: Hexaethylbenzene‐Trichloroantimony: A Menshutkin Complex with a Centroid Antimony‐Arene Coordination.
Authors: SCHMIDBAUR H. , NOWAK R. , HUBER B. , MUELLER G. +
Published: May 2016

Treatment of solutions of SbCl3 or SbBr3 in toluene with hexaethylbenzene in a variety of molar ratios affords only the 1:1 complexes (I) in almost quantitative yield.
ChemInform Abstract: The Reaction of Di‐2‐pyridyl Ketone with Antimony(III) Fluoride. Preparation, Properties, Moessbauer Spectrum and Crystal Structure of Difluoro(methoxydi‐2‐pyridylmethoxo‐NN′O)antimony(III).
Authors: ALONZO G. , BERTAZZI N. , BOMBIERI G. , BRUNO G.
Published: May 2016

The ketone (I) reacts with SbF3 (II) in methanol undergoing nucleophilic addition from the solvent.
ChemInform Abstract: Preparation, Crystal and Molecular Structure, and Antimony‐121 Moessbauer Spectrum of Trifluoro(1,10‐phenanthroline)(thiourea)antimony(III).
Authors: BOMBIERI G. , BRUNO G. , NICOLO F. , ALONZO G. , BERTAZZI N.
Published: May 2016

Equimolar amounts of SbF3, phenanthroline and thiourea react in methanol to yield the title complex (I) (no yield given).
ChemInform Abstract: New Synthesis of 1,2,5‐Selenadiazoles.
Authors: BERTINI V. , DE MUNNO A. , PICCI N. , LUCCHESINI F. , POCCI M.
Published: May 2016

1,2,5‐Selenadiazoles (III) and (IV) are prepared in a one‐pot procedure by reaction of the 1,2,5‐thiadiazoles (I) with the Grignard compounds (II), followed by treatment with selenium(IV) chloride and selenium.
ChemInform Abstract: General Route to μ‐Hydroxo‐Bis(μ‐acetato)‐Bridged Heterometal Dinuclear Complexes. Syntheses, Magnetic and Redox Properties, Electronic Spectra, and Molecular Structures of the Cr(III)‐Co(II) and Cr(III)‐Fe(II) Species.
Authors: CHAUDHURI P. , WINTER M. , KUEPPERS H.‐J. + , WIEGHARDT K. , NUBER B. , WEISS J.
Published: May 2016

The Cr complex (V), prepared from Cr(CO)6 and (II) via LCr(CO)3 (75‐85% yield) reacts in two steps to yield (Ie), which is also prepared by the method applied for (Ia) to (Id).
ChemInform Abstract: Reaction of Oxomolybdenum Complexes with Amidoximes. Synthesis and Structure of a Nitrosylacetamidoximato(1‐) Complex with a N,O‐side‐on Bonded Acetamidoximate(1‐) Ligand: (Mo(acac)2(CH3C(NH2)NO)(NO)).
Authors: CHILOU V. , GOUZERH P. , JEANNIN Y. , ROBERT F.
Published: May 2016

The title complex (III) is obtained together with a probably tetranuclear complex and separated mechanically.
ChemInform Abstract: Synthesis and Crystal Structure of Tris(morpholinecarbodithioato‐S,S′)manganese(IV) Pentaiodide‐Dichloromethane (2/1).
Authors: DEPLANO P. , TROGU E. F. , BIGOLI F. , PELLINGHELLI M. A.
Published: May 2016

The title complex (Ib) is prepared by reaction of (Ia) with iodine in CH2Cl2 and isolated as the pentaiodide (no yield given).
ChemInform Abstract: Synthesis and Molecular Structures of closo‐3‐(η6‐CH3C6H5)‐3,1,2‐FeC2B9H11 and closo‐3‐(η6‐1,4‐(CH3)2C6H4)‐3,1,2‐FeC2B9H11.
Authors: KANG H. C. , KNOBLER C. B. , HAWTHORNE M. F.
Published: May 2016

The η6‐arene complexes (IV) with a dicarbollide ligand are prepared directly from the reaction of the nido‐derivative (I).
ChemInform Abstract: Preparation and Characterization of Bis(aryldiazenido) Complexes of Iron.
Authors: ALBERTIN G. , ANTONIUTTI S. , BORDIGNON E.
Published: May 2016

The reaction of (I) with aryldiazonium salts in excess yields a mixture of (III) with type (V) compounds (ca.
ChemInform Abstract: Substitution Reactions of the Osmium(I) Dinuclear Compound (Os2(MeCO2)2(CO)6). X‐Ray Crystal Structure of (N(PPh3)2) (Os2(MeCO2)2Cl(CO)5).
Authors: DEEMING A. J. , RANDLE N. P. , HURSTHOUSE M. B. , SHORT R. L.
Published: May 2016

The dimer (I) has labile axial CO ligands and there is no evidence for equatorial substitution in its reactions.
ChemInform Abstract: Iron‐Ligand Bonding Properties of Synthetic Iron‐Porphyrin Complexes with Oxygen Transporting Ability in Aqueous Media.
Authors: TSUCHIDA E. , MAEDA H. , YUASA M. , NISHIDE H. , INOUE H. , SHIRAI T.
Published: May 2016

Moessbauer spectra, IR spectra, and photodissociation quantum yields of the oxygen and CO adducts are measured for the title complexes (I), embedded in the bilayer of phospholipid liposome, and (II), solubilized in a surfactant micelle.
ChemInform Abstract: The 3,4‐Dihydro‐2H‐pyran Approach to (+)‐Milbemycin β3. Part 1. An Alternative Synthesis of (2S,4S,6R,8R,9S)‐2‐Formylmethyl‐4‐(dimethyl‐t‐butylsilyloxy)‐8,9‐dimethyl‐1,7‐dioxaspiro(5.5)undecane.
Authors: KOCIENSKI P. J. , YEATES C. , STREET S. D. A. , CAMPBELL S. F.
Published: May 2016

The title compound (XVII) is an intermediate in the synthesis of the pesticide milbemycin β3.
ChemInform Abstract: Synthesis of Thiogibberellins: X‐Ray Molecular and Crystal Structure of 19,10‐Thio‐3‐epigibberellin A1.
Authors: SCHIERHORN A. , ADAM G. , KUTSCHABSKY L. , LEIBNITZ P.
Published: May 2016

1. The 7‐thiogibberellin analogues (II) are prepared by sulfhydrolysis of the sym. anhydrides (I).
ChemInform Abstract: Segregation of Y to Grain Boundaries in Cr2O3 and NiO Scales Formed on an ODS Alloy.
Authors: YUREK G. J. , PRZYBYLSKI K. , GARRATT‐REED A. J.
Published: May 2016

The oxidation of a commercial, oxide‐dispersion‐strengthened Ni‐based alloy containing 20 wt.% Cr, 0.3 wt.% Al, 0.5% Ti, and 0.6% Y2O3 (MA754) has been studied by SEM and XRD.
ChemInform Abstract: Peroxoborates. Interaction of Boric Acid and Hydrogen Peroxide in Aqueous Solution.
Authors: PIZER R. , TIHAL C.
Published: May 2016

Data from pH titration experiments permit quantitative evaluation of equilibrium constants for the formation of three peroxoboron species at pH ≤ 9 (see scheme).
ChemInform Abstract: A Direct H2S/Air Solid Oxide Fuel Cell
Authors: PUJARE N. U. , SEMKOW K. W. , SAMMELLS A. F.
Published: May 2016

has been developed which possesses the configuration outlined in the scheme.
ChemInform Abstract: A Photocurrent Spectroscopic Investigation of Passive Films on Ferritic Stainless Steels.
Authors: SUNSERI C. , PIAZZA S. , DI PAOLA A. , DI QUARTO F.
Published: May 2016

The three different ferritic stainless steels investigated show detectable photoeffects only after long polarization in Cl‐ containing solution.
ChemInform Abstract: Umpolung of Sulfenes.
Authors: ALLMANN R. , HANEFELD W. , KRESTEL M. , SPANGENBERG B.
Published: May 2016

In contrast to the typical sulfene reaction through the nucleophilic C atom of (I) with indantrione (II) the trichloromethane sulfinate (V) is obtained in the absence of (II) via a nucleophilic attack at the sulfene carbon atom.
ChemInform Abstract: Addition Reaction of Thioles with Silicon Containing α,β‐Ethylenic Aldimines.
Authors: SURNIN V. A. , STADNICHUK M. D.
Published: May 2016

The N‐alkylaldimines (I) react with the mercaptans (II) to give the corresponding alkyl(phenyl)mercaptoaldimines (III).
ChemInform Abstract: Thermocatalytic Reaction of Carbon Tetrachloride with tert‐Butyl Ethyl Ether.
Authors: KOZLIK G. I. , DUBCHENKO V. N. , DROZDOV A. M.
Published: May 2016

Gas‐phase reaction of carbon tetrachloride (I) with tert‐butyl ethyl ether gives mainly acetaldehyde (III) and tert‐butyl chloride (IV).
ChemInform Abstract: Photochemistry of Substituted Cyclic Enones. Part 6. Photochemical Reactions of 5‐Arylmethyl‐3‐phenylcyclopent‐2‐enones. A Photostationary State.
Authors: CLEMENTS M. T. M. , MCMURRY T. B. H.
Published: May 2016

The title compounds (IV) are prepared as shown.
ChemInform Abstract: Photochemical Reactions of (9‐Anthryl)methyl Methyl Fumarate and Maleate: Application to Asymmetric (4 + 2)‐Photocycloaddition Reaction.
Authors: OKADA K. , SAMIZO F. , ODA M.
Published: May 2016

The maleate (Ia) is photochemically isomerized to form the fumarate (Ib).
ChemInform Abstract: Organoboranes for Synthesis. Part 6. A Convenient, General Synthesis of Alkylhydroperoxides via Autoxidation of Organoboranes.
Authors: BROWN H. C. , MIDLAND M. M.
Published: May 2016

The low temp. oxidation of the organoboranes derived from (I) and (II) leads to the formation of diperoxyboranes, which afford the alkylhydroperoxides (III) upon H2O2 treatment.
ChemInform Abstract: Nitration of Activated Arenes in the Gas Phase.
Authors: ATTINA M. , CACACE F. , DE PETRIS G.
Published: May 2016

The unusually slow nitration of polymethylbenzenes such as in (I) is controlled by the formation of an "early" ion molecule complex.
ChemInform Abstract: ε‐Functionalized Organolithium Compounds: d5‐Reagents in Organic Synthesis.
Authors: BARLUENGA J. , RUBIERA C. , FERNANDEZ J. R. , FLOREZ J. , YUS M.
Published: May 2016

Sequential treatment of 5‐chlorovaleryl chloride (I) with the Grignard reagents (II) and lithium powder produces the organolithium compounds (III) which are quenched with D2O to give (IV).
ChemInform Abstract: Some Properties of Polyfluoroacyl and Polyfluoroacetonyl Fluorosulfates.
Authors: FOKIN A. V. , RAPKIN A. I. , KROTOVICH I. N. , TATRINOV A. S. , STUDNEV YU. N.
Published: May 2016

The anhydrides (I) decompose during the reaction with KF or SbF5 to give the fluoroacyl fluorides (II).
ChemInform Abstract: Cp2TiCl2‐Catalyzed Reaction of Grignard Reagents with Isocyanates, Formation of Carboxamide with Rearranged Carbon Skeleton.
Authors: ZHANG Y. , JIANG J. , CHEN Y.
Published: May 2016

The iso(thio)cyanates (I) react with the branched Grignard compounds (II) in the presence of dicyclopentadienyltitanium dichloride to form the linear amides (III) as the main products, resulting from rearrangement of the alkyl moiety.
ChemInform Abstract: Quinone‐Amine Reactions. Part 25. 2‐Amino‐3,5,6‐tribromo‐1,4‐benzoquinones and Their Instability in Daylight.
Authors: KALLMAYER H.‐J. , FRITZEN W.
Published: May 2016

Tetrabromo‐p‐benzoquinone (I) reacts with the amines (II) to form the monoamino derivatives (III) as the main products, together with the diamines (IV).
ChemInform Abstract: A Single‐Step Synthesis of Tamoxifen Using Palladium‐Catalyzed CrossCoupling.
Authors: AL‐HASSAN M. I.
Published: May 2016

cis‐Tamoxifen (IV) is obtained from diphenylacetylene (I) via carboalumination, followed by palladium‐catalyzed cross‐coupling reaction with the bromophenyl ether (III).
ChemInform Abstract: An Efficient and Convenient Method for the Preparation of α‐Methylenated Ketones from Silyl Enol Ethers.
Authors: HAYASHI M. , MUKAIYAMA T.
Published: May 2016

The silyl enol ethers (I) react with bromomethyl methyl ether (II) in the presence of a tin(II) halide to form the α‐bromomethyl ketones (III).
ChemInform Abstract: The Synthesis and Chemistry of Azolenines. Part 10. Reinvestigation of a Reaction Reported to Yield Ethyl 2‐Cyano‐3‐(3,4‐dimethylphenyl)‐5‐(4‐methoxyphenyl)‐2H‐pyrrole‐2‐carboxylate, and Thermal Rearrangements of This and a Regioisomer.
Authors: IP S.‐H. , SAMMES M. P.
Published: May 2016

The reaction of the ketone (I) with the ester (II) leads to the pyridine derivatives (IV) and (V) and not to the title compound (VIIIb).
ChemInform Abstract: Oxidative Carbon‐Carbon Bond Forming Reaction via a 1,3‐Dioxolan‐2‐ ylium Cation.
Authors: HAYASHI Y. , WARIISHI K. , MUKAIYAMA T.
Published: May 2016

The acetal (I) reacts with trityl tetrafluoroborate (II) to give the salt (III) which is coupled with the enolates or enamines (IV), yielding the 2,2‐disubstituted 1,3‐dioxolanes (V).
ChemInform Abstract: The Preparation of N‐Carboalkoxypyrazoles and N‐Phenylpyrazoles from C(α)‐Dianions of Carboalkoxyhydrazones and Phenylhydrazones.
Authors: DUNCAN D. C. , TRUMBO T. A. , ALMQUIST C. D. , LENTZ T. A. , BEAM C. F.
Published: May 2016

The hydrazones (I) are converted to their dilithio derivatives (II) which react with the esters (III) to give the substitution products (IV).
ChemInform Abstract: Imidazole Derivatives. Part 19. Synthesis and Biological Activity of 4‐Nitro‐5‐mercaptoimidazole Derivatives.
Authors: IRADYAN M. A. , AIVAZYAN A. KH. , MIRZOYAN V. S. , PARONIKYAN G. M. , SARKISYAN T. P. , STEPANYAN G. M. , ARSENYAN F. G. , GARIBDZHANYAN B. T.
Published: May 2016

In the search for new antitumor drugs, the derivatives (III) ‐ (VII) of the 4‐nitro‐5‐mercaptoimidazoles (I) are prepared by common methods as shown in the reaction scheme.
ChemInform Abstract: Preparation of Trifluoromethylated Compounds by Anodic Oxidation of 3‐Hydroxy‐2‐trifluoromethylpropionic Acid.
Authors: KUBOTA T. , AOYAGI R. , SANDO H. , KAWASUMI M. , TANAKA T.
Published: May 2016

Kolbe reaction of 3‐hydroxy‐2‐trifluoromethylpropionic acid (I) gives the isomerized diols (II) which are cyclized with phosphoric acid to form the 3,4‐bis(trifluoromethyl)tetrahydrofurans (III).
ChemInform Abstract: Pyrido(2′,1′:2,3)imidazo(4,5‐c)isoquinoline and the Alkylation of Pyrido(2′,1′:2,3)imidazo(4,5‐c)isoquinolin‐5(6H)‐one.
Authors: PAOLINI J. P. , PALOPOLI F. P. , LENDVAY L. J. , HUFFMAN J.
Published: May 2016

o‐Phthalaldehyde acid (I) reacts with 2‐aminopyridine (II) in the presence of cyanides to give the pyridoimidazoisoquinolinone (III).
ChemInform Abstract: Novel Addition of Nitroalkanes to o‐Quinones.
Authors: ITOH S. , NII K. , MURE M. , OHSHIRO Y.
Published: May 2016

The fused ortho‐benzoquinones (I), (IV), (VI), and (VIII) react with the branched nitroalkanes (II) to produce the 1,3‐dioxoles (III), (V), (VII), and (IX).
ChemInform Abstract: Antiparkinsonian Agents from Quinazolinylthiazolidinones and Azetidinones.
Authors: SRIVASTAVA V. K. , SINGH S. , GULATI A. , SHANKER K.
Published: May 2016

Reaction of the quinazolinones (III) with the acid (IV) and the acid chloride (VI) yields the title compounds (V) and (VII), respectively.
ChemInform Abstract: Transformations of the Product from the Reaction of N‐(β‐Aminoethyl)piperazine with Dichloroethane.
Authors: ZAGIDULLIN R. N. , TOLSTIKOV G. A.
Published: May 2016

The bis(piperazinoethyl)ethylenediamine (I), prepared from N‐(β‐aminoethyl)piperazine and dichloroethane, reacts with formaldehyde (II) and formic acid (III) according to Eschweiler‐Clarke to give the permethylated derivative (IV), together with the compounds (V) ‐ (VIII).
ChemInform Abstract: Pyrolysis Products of Some Pyrazolinodiazepines: Homodiazepines and Pyrazolopyridines.
Authors: KLINGER F. , FOULON M. , GESCHE P. , STRUB H. , STREITH J.
Published: May 2016

Pyrolysis of the title compounds (I) and (V) yields mixtures of the products (II)‐(IV), (VI) and (VII), while the reaction of the compounds (VIII)‐(XI) at 150 °C leads to the homodiazepines (IVb)‐(IVd) as major or sole products.
ChemInform Abstract: A New Synthesis of Oxime Derivatives from Carbonyl Compounds and N,O‐Bis(trimethylsilyl)hydroxylamine.
Authors: HOFFMAN R. V. , BUNTAIN G. A.
Published: May 2016

The reaction of the potassium salt of N,O‐bis(trimethylsilyl)hydroxylamine (I) with the carbonyl compounds (II) gives the oximate anions (III) which are converted to the oximes (IV) by hydrolysis.
ChemInform Abstract: From Lithiated Aminofluorosilanes to Mono‐ and Dimeric Iminosilanes.
Authors: STALKE D. , KEWELOH N. , KLINGEBIEL U. , NOLTEMEYER M. , SHELDRICK G. M.
Published: May 2016

Lithiation of the aminofluorosilanes (IIIa)‐(IIId) affords iminosilanes.
ChemInform Abstract: Reactions of N‐Arylsulfonyl‐p‐quinone Imines with Dialkyl Trimethylsilyl Phosphites.
Authors: AVBEENKO A. P. , RYAZANTSEV V. P. , EVGRAFOVA N. I.
Published: May 2016

Reaction of the quinone imines (I) with the silyl phosphites (II) and subsequent hydrolysis give the sulfonylaminophenyl phosphates (III).
ChemInform Abstract: Hetero‐Substituted Norbornenes and Their Derivatives. Part 1. Reaction of Cyclopentadiene with Styrylphosphonic Acid Derivatives.
Authors: KROLEVETS A. A. , POPOV A. G. , ANTIPOVA V. V.
Published: May 2016

Coupling of the styrylphosphonic acid derivatives (I) with cyclopentadiene (II) gives the norbornenylphosphonic acid derivatives (III).
ChemInform Abstract: Organic Phosphorus Compounds. Part 82. Preparation, Properties, and Herbicidal Activity of 2‐Substituted 5‐Phenoxy‐ and 5‐Pyridyloxyphenylphosphonic and ‐phosphinic Acid Derivatives.
Authors: MAIER L. , DUERR D. , REMPFLER H.
Published: May 2016

Reaction of the dinitrobenzenes (III) with the trialkyl phosphites (II) produces the substituted nitrophenylphosphonates (I).
ChemInform Abstract: Selenofluorenone: Synthesis and Cycloaddition Chemistry.
Authors: MEINKE P. T. , KRAFFT G. A. , SPENCER J. T.
Published: May 2016

Fluorenyl bromide (I) is converted to the title compound (II) via the selenocyanate.
ChemInform Abstract: Reactions of Transition Metal Halides with Derivatives of Dimethylsulfoximine. X‐Ray Single Crystal Structure Analysis of F5WNS(O)Me2 and F4W(NS(O)Me2)2.
Authors: ROESKY H. W. , SCHOLZ M. , EDELMANN F. , NOLTEMEYER M. , SHELDRICK G. M.
Published: May 2016

The sulfoximine (I) reacts with WF6(II) to yield the air‐ and moisture‐sensitive compound (III), which reacts further with (I) to give the cis‐derivative (IV).
ChemInform Abstract: Synthesis and Characterization of Iron(III) Chelating Analogs of Siderophores on Organic Solid Supports.
Authors: CRUMBLISS A. L. , GARRISON J. M. , BOCK C. R. , SCHAAF A. , BONAVENTURA C. J. , BONAVENTURA J.
Published: May 2016

A series of Fe(III)‐selective chelating resins (V), (IX), (XI), and (XII) have been modeled after the structural features of the naturally occurring siderophore compounds with hydroxamate, catecholate and salicylate iron binding groups.
ChemInform Abstract: Isovalent and Mixed‐Valent Ylide Complexes of Gold: Synthesis of Trinuclear Compounds with Double Paddle‐Wheel Structure.
Authors: SCHMIDBAUR H. , HARTMANN C. , REBER G. , MUELLER G. +
Published: May 2016

The reaction of gold(II) complexes (I) with ylides depends on the ratio of reactants.
ChemInform Abstract: Synthesis of Phytone Using Acetylbutyrolactone.
Authors: KULKARNI S. N. , PHADKE A. S.
Published: May 2016

Reaction of the Grignard reagent (II), which is obtained from 2‐acetylbutyrolactone, with the ketone (I) serves as starting step in the synthesis of hexahydropseudoionone (IV).
ChemInform Abstract: Me3SiCl‐NaI‐CH3CN as an Efficient and Practical Reducing Agent for Benzylic Alcohols.
Authors: SAKAI T. , MIYATA K. , UTAKA M. , TAKEDA A.
Published: May 2016

The benzylic alcohols (I) are reduced with a reagent system consisting of chlorotrimethylsilane, sodium iodide, and acetonitrile to yield the corresponding hydrocarbons (II).
ChemInform Abstract: Synthesis of 17β‐Acyloxy‐17α‐ethynyl‐5α‐androst‐2‐enes and Investigation of Their Effects on the Ovulation Process.
Authors: GRINENKO G. S. , MEN'SHOVA N. I. , SHUVALOVA S. D. , MAKUSHEVA V. P. , KORKHOV V. V. , LUPANOVA G. E.
Published: May 2016

Starting with the ketone (I), the esters (VI) of the ethynylandrostenol (III) are prepared.
ChemInform Abstract: Alkylation of Imidazolidinone Dipeptide Derivatives: Preparation of Enantiomerically Pure Di‐ and Tripeptides by “Chirality Transfer” via a Pivalaldehyde N,N‐Acetal Center.
Authors: POLT R. , SEEBACH D.
Published: May 2016

Glycylglycine, (S)‐alanylglycine and glycyl‐(S)‐alanine esters are cyclized through the pivaldehyde imines (I), (IVa), and (IVb) to give the dipeptide‐derived imidazolidinones (III), (Va), and (VIb).
ChemInform Abstract: Convenient Syntheses and Reactions of Two Kinds of Basic α‐Dehydroamino Acid Derivatives.
Authors: SHIN C. , OBARA T. , SEGAMI S. , YONEZAWA Y.
Published: May 2016

The N‐protected aminoaldehydes (III), prepared from the esters (I), undergo Wittig‐Horner reaction with the phosphinylglycinate (IV) to form the α,β‐unsaturated amino acid esters (V).
ChemInform Abstract: The Kinetics of Oxygen Reduction in Molten Phosphoric Acid at High Temperatures
Authors: SCHARIFKER B. R. , ZELENAY P. , BOCKRIS J. O'M.
Published: May 2016

(25‐150 °C) have been investigated using glass insulated Pt microelectrodes with radii of 12.7 and 250 μm. The enthalpy of solution of oxygen in 98% H3PO4 is determined to be 2.2 kcal/mol and the entropy of solution is ‐12.6 cal/K mol.
ChemInform Abstract: Thermal/Mechanical Alterations of SAE 1008 Steel and Fe‐12ppmC vs. Hydrogen Overpotential in Alkaline Solution.
Authors: SCOTT G. D. , STONER G. E. , CAHEN G. L. JUN.
Published: May 2016

It is demonstrated that alterations of the state of surface of mild steel or pure iron cathodes have a significant influence on the steady‐state electrocatalytic performance for the hydrogen evolution reaction (HER) and that the Tafel slope for HER can be reduced by appropriate thermomechanical processing.
ChemInform Abstract: Comments on Electroreduction of SOCl2.
Authors: MADOU M. J. , SMITH J. J. , SZPAK S.
Published: May 2016

Selected aspects of the very complex electroreduction process at inert electrode surfaces have been investigated.
ChemInform Abstract: π‐Electron Valence Bond Calculations on Benzenoid Hydrocarbons via Graphical Unitary Group Methods.
Authors: ALEXANDER S. A. , SCHMALZ T. G.
Published: May 2016

The exact valence bond ground state energy is presented for all benzenoid hydrocarbons of up to 20 carbon atoms plus selected 24 atom systems such as pentacene, picene, and coronene.
ChemInform Abstract: Conformational Analysis. Part 11. 2‐Aminoethanethiol. An Electron‐Diffraction Investigation of the Molecular Structure, Conformational Composition, and Anti‐Gauche Energy and Entropy Differences; Evidence for an Intramolecular SH...N Hydrogen Bond.
Authors: BARKOWSKI S. L. , HEDBERG K.
Published: May 2016

Conformational Analysis.
ChemInform Abstract: Synthetic and Equilibrium Studies on Copper(II), Nickel(II), and Palladium(II) Complexes of N,N′,N′′,N′′′‐Tetrakis(2‐hydroxyethyl)‐1,4,8,11‐tetraazacyclotetradecane (L); Kinetics of the Acid Dissociation of the Copper(II) Complex and X‐Ray Structural Characterization of the Nickel(II) Complex (NiLH‐1) (ClO4).
Authors: HAY R. W. , PUJARI M. P. , MOODIE W. T. , CRAIG S. , RICHENS D. T. , PEROTTI A. , UNGARETTI L.
Published: May 2016

The ligand (I) is prepared by the reaction of the tetraaza macrocyclus with ethylene oxide in aqueous solutions at 0 °C. (I) behaves as a tetraprotic base and the stepwise protonation equilibria are studied by potentiometric titration.
ChemInform Abstract: A New Synthesis of Both the Enantiomers of 4‐Amino‐3‐hydroxybutanoic Acid (GABOB) and MM2 Calculations for Rotamers of the Intermediate Oxazolidin‐2‐ones.
Authors: BONGINI A. , CARDILLO G. , ORENA M. , PORZI G. , SANDRI S.
Published: May 2016

The synthesis of the biologically more active (R)‐(IX) enantiomer is given in the scheme.
ChemInform Abstract: Photochemical Transformations. Part 71. Intercyclic vs. Intracyclic (π2 + σ2 + σ2)/(π2 + π2) Cycloaddition Reactions in Sterically Fixed Norbornadiene/Quadricyclane Systems.
Authors: TRAH S. , WEIDMANN K. , FRITZ H. , PRINZBACH H.
Published: May 2016

Biquadricyclanylidene (I) is converted to the β‐lactam (III).
ChemInform Abstract: A Highly Stereoselective Synthesis of Trans‐1,2‐Disubstituted Cycloalkanols.
Authors: CANONNE P. , BERNATCHEZ M.
Published: May 2016

Treatment of the bis(bromomagnesio)alkanes (I) with the esters (II) gives the cyclopentanols (III) with predominance of the trans isomer.
ChemInform Abstract: Use of the Diazoalkane‐Thione Reaction in the Synthesis of a Vinyltrimethylenemethane Precursor.
Authors: BUSHBY R. J. , MANN S.
Published: May 2016

The title compound (VII) is prepared from the thione (I) and the diazoalkane (II).
ChemInform Abstract: Isomerization of Perfluoro‐1‐ethyl‐1‐methylbenzocyclobutene to Perfluoro‐α,β,o‐trimethylstyrene and Perfluoro‐1,2‐dimethylindan by SbF5.
Authors: KARPOV V. M. , MEZHENKOVA T. V. , PLATONOV V. E. , YAKOBSON G. G.
Published: May 2016

During the treatment of a mixture of the isomeric perfluoroethylmethylbenzocyclobutenes (I) and (II) with antimony pentafluoride only (I) reacts, forming the perfluorotrimethylstyrene (III).
ChemInform Abstract: 2‐Diethoxyphosphorylalkanoic Acid Dianions (Lithium α‐Lithiocarboxylates). Part 4. A Direct Route to 2‐Fluoro‐2‐alkenoic Acids by the Horner Synthesis. Application in the Fields of Pyrethroids.
Authors: COURTROT P. , GRISON C. , SAUVETRE R.
Published: May 2016

Diethoxyphosphorylfluoroacetic acid (I) is treated with butyllithium (II) to form the lithium α‐lithiocarboxylate (III) which reacts with the carbonyl compounds (IV) to yield the 2‐fluoro‐2‐alkenoic acids (V).
ChemInform Abstract: Reaction of Trimethylsilylpropynal with Dialkylamines.
Authors: BORISOVA A. I. , MEDVEDEVA A. S. , KALIKHMAN I. D. , VYAZANKIN N. S.
Published: May 2016

The title compounds (I) and (II) react under heterolytic cleavage of the Si‐C bond in (I) to give the β‐aminoacroleins (III).
ChemInform Abstract: A Highly Stereoselective Conversion of α,β‐Epoxy Esters to α‐Hydroxy Esters. An Efficient Route to Optically Active α‐Hydroxy Esters.
Authors: OTSUBO K. , INANAGA J. , YAMAGUCHI M.
Published: May 2016

The α,β‐epoxy esters (Ia) ‐ (Id) are cleaved with magnesium iodide to form the α‐hydroxy‐β‐iodocarboxylates (II) which are deiodinated with tributyltin hydride, producing the α‐hydroxy esters (III).
ChemInform Abstract: “Selenium Polonovski Reaction” Using Benzeneselenenyl Triflate.
Authors: OKAZAKI R. , ITOH Y.
Published: May 2016

The N‐oxides (I) react with the selenenyl triflate (II), yielding the selenoxyammonium salts (III).
ChemInform Abstract: Gas Phase Reactions. Part 61. Cycloalkanimines 2H‐Azirine, 1‐Azetidine, 1‐Pyrroline, 1‐Piperideine, and 3,4,5,6‐Tetrahydro‐2H‐azepine: Preparation and Photoelectron Spectra.
Authors: BOCK H. , DAMMEL R.
Published: May 2016

The 1‐aza‐cycloalkenes (I) are prepared either via dehydrohalogenation of 2‐chloroethylazide (II) and thermolysis of the resulting vinylazide (III) to give (Ia) or by N‐chlorination of the cyclic amines (IV) and dehydrohalogenation of the N‐chloro compounds (V) using the K salt of adamantan‐1‐ol (yields of (Ib) up to 96%).
ChemInform Abstract: A New Route to Chiral Hydroxypyrrolidines from D‐Erythrose via Intramolecular 1,3‐Cycloaddition.
Authors: BUCHANAN J. G. , EDGAR A. R. , HEWITT B. D.
Published: May 2016

The D‐erythrose (I) reacts with the phosphorane (II) to give a mixture of the E/Z isomers (IIIa) + (IIIb).
ChemInform Abstract: Total Synthesis of Analogues of the β‐Lactam Antibiotics. Part 3. 2‐Ethoxycarbonyl Derivatives of Carbapen‐1‐em‐3‐exo‐carboxylates and Carbapenam‐3‐exo‐carboxylates.
Authors: SHARMA R. , STOODLEY R. J. , WHITING A.
Published: May 2016

The carbapenem‐exo‐carboxylates (VI) are prepared from the azetidinone (I) by a strategy involving final closure of the 1,2‐bond using an intramolecular Wittig condensation.
ChemInform Abstract: Consecutive Ring Closure and Neophyl Rearrangement of Some Alkenylaryl Radicals.
Authors: ABEYWICKREMA A. N. , BECKWITH A. L. J. , GERBA S.
Published: May 2016

Reaction of tributyltin hydride with the bromoarenes (I), (IV), and (VII) gives the ring‐closure products (II), (V), and (VIII) as a result of exo‐cyclization, together with the compounds (III), (VI), and (IX).
ChemInform Abstract: Organosulfur Chemistry. Part 53. Cyano and Fluorodestannylation: A New Methodology Using Some Powerful Sulfur Transfer Reagents, the Organotin Sulfides.
Authors: HARPP D. N. , GINGRAS M.
Published: May 2016

The bisstannyl sulfides (Ia) and (Ib) react with the halides (IIa) ‐ (IIf) in the presence of fluoride under various conditions to form the symmetrical sulfides (III), together with the stannyl fluorides (IV).
ChemInform Abstract: One‐Step Synthesis of Pyrazino(1,2‐a:4,5‐a′)diindole‐6,13‐diones.
Authors: SCHAEFER H. + , GEWALD K.
Published: May 2016

The title compounds (II) and (VI) are prepared in one step starting from the nitrile (I) or from the ketones (V).
ChemInform Abstract: Synthesis of Functionalized Bicyclic Dioxopiperazines via Intramolecular Epoxide Opening.
Authors: WILLIAMS R. M. , MARUYAMA L. K.
Published: May 2016

Swern‐oxidation of the alcohol (Ib), obtained by desilylation of (Ia), gives the aldehyde (II) which reacts with dimethylsulfoxonium methylide (III), yielding the diastereomeric epoxides (IV).
ChemInform Abstract: 3a‐Azaazulenones Containing a Carbonyl Group in the 5‐Membered Ring.
Authors: FLITSCH W. , JONES R. A. , HOHENHORST M.
Published: May 2016

Coupling of the pyrrolinones (II) and (V) with the pentamethinium salts (Ia) or (Ib) yields the enaminones (III) or (VI).
ChemInform Abstract: Heterocyclic Seven‐Membered Compounds. Part 32. Synthesis, Properties, and Reactions of 4‐Methoxy‐2‐phenyl‐1,5‐benzothiazepine.
Authors: HOFMANN H. , FISCHER H. , BREMER M.
Published: May 2016

The reaction of the lactam (Ia) with the salt (II) yields the thiazepine (III) the structure of which is established by X‐ray analysis (space group: P21/c; Z = 8) and transformation to the quinoline (IV).
ChemInform Abstract: Synthesis of Functionalized Carboxylic Acid Silyl Ester.
Authors: DIPPEL K. , GRAALMANN O. , KLINGEBIEL U.
Published: May 2016

On treatment with carbon acid chlorides the silandiol (I) forms a silyl ester which reacts with the released HCl to yield the chlorosilanol (II).
ChemInform Abstract: Ether Cleavage by Activated Metals. Part 2. Cleavage of Allyl and Benzyl Ethers by Activated Magnesium.
Authors: BARTMANN E.
Published: May 2016

The allylic ethers (I) are cleaved with activated magnesium, generated by reduction of MgCl2 (II) with potassium, to form allylmagnesium alkoxides such as (III) which react with carbon dioxide (IV) or chlorotrimethylsilane (VII) to yield the carboxylic acids (V) or (VI) or the allylsilane (VIII).
ChemInform Abstract: Phenylselenium Trichloride in Organic Synthesis. Reaction with Unsaturated Compounds. Preparation of Vinylic Chlorides via Selenoxide Elimination.
Authors: ENGMAN L.
Published: May 2016

The phenylselenium trihalides (II) react with the olefinic compounds (I) to produce the trans‐β‐haloalkylphenylselenium dihalides (III).
ChemInform Abstract: Synthesis of Some Arylthiazolylmercury Compounds as Potential Antifungal and Antibacterial Agents.
Authors: AHLUWALIA V. K. , ARORA K. K. , MEHTA B.
Published: May 2016

Treatment of the thiazoles (I) or (IV) with the phenylmercury chlorides (II) yields the thiazolylmercury compounds (III) and (V).
ChemInform Abstract: A Highly Efficient Synthesis of Prostaglandin ω‐Chain Precursors.
Authors: KITANO Y. , MATSUMOTO T. , OKAMOTO S. , SHIMAZAKI T. , KOBAYASHI Y. , SATO F.
Published: May 2016

The synthesis of the racemic tributylstannylallyl alcohol (±)‐(III) from (I) or (IV) is described.
ChemInform Abstract: Preparation and the Infrared, Moessbauer, and 1H‐, 13C‐, and 119Sn‐NMR Spectra of Some Triorganotin(IV) Derivatives of N‐Benzoyl‐D,L‐alanine and N‐Benzoyl‐D,L‐alanylglycine.
Authors: SANDHU G. K. , KAUR G. , HOLECEK J. , LYCKA A.
Published: May 2016

The triorganotin derivatives (III) of N‐benzoylalanine (Ia) and N‐benzoylalanylglycine (Ib) are prepared by reaction of (I) with the triorganotin chlorides (II).
ChemInform Abstract: Complexes of Cobalt(II) and Nickel(II) with 3‐ and 4‐Acetylpyridine.
Authors: CABRAL M. F. , CABRAL J. DE O.
Published: May 2016

The Co(II) and Ni(II) complexes (I)‐(IV) are prepared by reaction of corresponding dehydrated metal(II) salts with the acetylpyridine ligands in anhydrous ethanol.
ChemInform Abstract: Organoruthenaborane Chemistry. Part 5. Products of the Reaction Between closo‐(B10H10)2‐ and ((η6‐C6Me6)ClRuB3H8). NMR Studies and the Crystal and Molecular Structure of (((η6‐C6Me6)2Ru2H4)RuB10H8(OEt)2).
Authors: BOWN M. , FONTAINE X. L. R. , GREENWOOD N. N. , MACKINNON P. , KENNEDY J. D. , THORNTON‐PETT M.
Published: May 2016

The reaction of the dimer (I) with the Tl salt (II) of the arachno‐(B3H8)‐ anion gives the air‐stable four‐vertex species (III).
ChemInform Abstract: Formation and Characterization of (η2‐Ethene)hydrido(η5‐pentamethylcyclopentadienyl)(trisubstituted‐silyl# )rhodium Complexes; Intermediates in Catalytic Dehydrogenative Silylation Reactions.
Authors: RUIZ J. , BENTZ P. O. , MANN B. E. , SPENCER C. M. , TAYLOR B. F. , MAITLIS P. M.
Published: May 2016

The title complexes (III) are intermediates in the reversible, thermal and photochemical reaction of the dihydridodisilyl‐Rh complexes (I) with ethylene (II) giving the bis(ethylene) complex (IV).
ChemInform Abstract: The Syntheses and Crystal and Molecular Structures of Some Ten‐Vertex (MCB8; M: Ru or Os) Metallacarbaboranes: (9,9,9‐(CO)(PPh3)2‐nido‐9,6‐MCB8H10‐5‐(PPh3)) (M: Ru or Os) and (9,9,9‐(η‐C5H5)(H)(PPh3)‐arachno‐9,6‐RuCB8H12).
Authors: ALCOCK N. W. , JASZTAL M. J. , WALLBRIDGE M. G. H.
Published: May 2016

The reaction of the halide derivatives (I) with the arachno‐anion (II) yields the nido‐metallacarbaboranes (III).
ChemInform Abstract: Reduction‐Oxidation Properties of Organotransition‐Metal Complexes. Part 27. Mixed‐Valence Triazenido‐Bridged Diiridium Compounds.
Authors: CONNELLY N. G. , GARCIA G.
Published: May 2016

The dimer (I) reacts with the triazene (II) to give the complex (III) which yields (V) on treatment with CO gas.