bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: The Titanium‐Mediated Transesterification of Phosphorous Esters.
Authors: FRONEMAN M. , MODRO T. A.
Published: May 2016

Dialkyl phosphites such as (I) and (IV) are treated with alcohols, e.g. (II) or (V), in the presence of titanium tetraalkoxides to form the bistransesterified phosphites (III) or the mixed diesters (VI).
ChemInform Abstract: Photostimulated Reaction of 1‐Halo‐ and 1,4‐Dihalobicyclo(2.2.2)octanes with Diphenylphosphide Ions by the SRN1 Mechanism.
Authors: SANTIAGO A. N. , IYER V. S. , ADCOCK W. , ROSSI R. A.
Published: May 2016

1‐Iodobicyclo(2.2.2)octane (I) undergoes photoinduced reaction with diphenylphosphide ions, derived from triphenylphosphine (II) and metallic sodium, yielding the bridgehead phosphine (III) which is isolated after oxidation to give the phosphine oxide (IV).
ChemInform Abstract: (Cycloalkylidenemethyl)triphenylphosphonium Salts as Versatile Intermediate Reagents.
Authors: MINAMI T. , SHIKITA S. , SO S. , NAKAYAMA M. , YAMAMOTO I.
Published: May 2016

The phosphoranes (I) are converted to the cycloalkylidenemethylphosphonium salts (IV) via phenylselenenylation and oxidative elimination reaction.
ChemInform Abstract: Cu(terpy)X2 (X: Br‐, NCS‐): Complexes with an Unusual Five‐Coordination. Structural and Spectroscopic Investigation.
Authors: ARRIORTUA M. I. , MESA J. L. , ROJO T. , DEBAERDEMAEKER T. , BELTRAN‐PORTER D. , STRATEMEIER H. , REINEN D.
Published: May 2016

The title complexes (I) are prepared by 1:1 molar reaction of CuBr2 with terpyridine in ethanol or of CuCl2 with the ligand in aqueous solution and anion exchange.
ChemInform Abstract: Synthesis and Electrochemistry of (CO)2(PMe3)Fe(μ2‐t‐Bu2P)(μ2‐CO)Rh(PMe3)L(Fe‐Rh) (L: CO, PMe3). Digital Simulation of Modified ECE Mechanism. X‐Ray Crystal Structures of (CO)2(PMe3)Fe(μ2‐t‐Bu2P)(μ2‐CO)Rh(PMe3)2 and (Me3PO·Na(15‐crown‐5))+((CO)3Fe(μ2‐t‐Bu2P)Rh(PMe3)(CO))‐.
Authors: MOULTON R. D. , CHANDLER D. J. , ARIF A. M. , JONES R. A. , BARD A. J.
Published: May 2016

The preparation of (V) and (VIII) and their chemical reduction with Na sand to yield radical anions as well as the reduction of (VIII) in the presence of (XI) and traces of O2 to give (XII) is described.
ChemInform Abstract: Novel Syntheses of Naphthoquinone Methide Near‐IR Dyes.
Authors: KUBO Y. , MORI F. , KOMATSU K. , YOSHIDA K.
Published: May 2016

Seven dyes of type (III), absorbing near‐IR light at 722‐761 nm, are prepared by the procedure shown in the scheme.
ChemInform Abstract: Formal Synthesis of the Antitumor Antibiotic CC‐1065.
Authors: BOLTON R. E. , MOODY C. J. , PASS M. , REES C. W. , TOJO G.
Published: May 2016

The acetophenone (I), easily prepared from commercially available 3‐hydroxyacetophenone, is transformed to the pyrrole (IX) by routes involving vinyl azide chemistry.
ChemInform Abstract: Synthesis and Activity of Juvenile Hormone Analogues (JHA).
Authors: RODRIGUEZ J. B. , GROS E. G. , STOKA A. M.
Published: May 2016

Starting from geranylacetone (I), a variety of 12 analogues of the juvenile hormone III such as (III) or (IV) are synthesized.
ChemInform Abstract: An Approach to the Total Synthesis of Aplysiatoxin.
Authors: IRELAND R. E. , THAISRIVONGS S. , DUSSAULT P. H.
Published: May 2016

Coupling of the synthons (IV) and (VI) gives the spiroketal enol ether (VII) which is elaborated to the axial alcohols (Xa) and (Xb).
ChemInform Abstract: Grain Growth of the Lime and Periclase Phases in a Synthetic Doloma
Authors: BALDO J. B. , BRADT R. C.
Published: May 2016

, a well known basic refractory derived from dolomite, is studied simultaneously over the temp. range 1400‐1700 °C for firing times up to 192 h. The grain growth kinetic exponents and activation energies (333 and 437 kJ/mol for CaO and MgO, resp.) suggest the CaO phase to be the continuous phase in the microstructure and that the grain growth of CaO may be controlled by the Ca2+ diffusion in the CaO structure.
ChemInform Abstract: Layer Removal from GaAs by Anodic Oxidation for Electroreflectance Depth Profiling.
Authors: GOLDHAHN R. , ROEPPISCHER H. +
Published: May 2016

On the basis of anodic oxidation studies an in situ method is developed involving anodization, defined layer removal, and exact determination of the reflectance spectra within the same electrolytic cell.
ChemInform Abstract: Ion Selectivity of Beta‐Alumina During the Coulometric Titration of Liquid Pb‐Na Alloys.
Authors: ITOH M. , KOZUKA Z.
Published: May 2016

The ion selectivity of β''‐ and β‐alumina during coulometric titration of a liquid Pb‐Na alloy is investigated using the double galvanic cell (I)/(II) in which liquid Pb‐Na is used as the common electrode.
ChemInform Abstract: Electrochemical Behavior of Tungsten in Alkaline Media. Part 2. Sodium Carbonate Solutions.
Authors: ORTIZ P. I. , GIORDANO M. C. , LOPEZ TEIJELO M.
Published: May 2016

Cyclic voltammetric and rotating disk electrode investigations in the pH range 7.3‐12.8 demonstrate that the behavior of W electrodes in alkaline sodium carbonate solutions is similar to that found previously in sodium hydroxide solutions, showing different kinetic characteristics according to the potential region analyzed.
ChemInform Abstract: Nucleation of Silver(I) Oxide Investigated by Spectroscopic Ellipsometry.
Authors: MAYER S. T. , MULLER R. H.
Published: May 2016

The early stages of the anodic oxidation of Ag(111) in 1 M KOH are studied (potential steps, current steps, potential sweeps).
ChemInform Abstract: Growth and Passivation of Aluminum Etch Tunnels.
Authors: HEBERT K. , ALKIRE R.
Published: May 2016

The mechanism that controls passivation of metal surfaces at tips of corrosion tunnels formed on Al by anodic etching in hot aqueous chloride solution is studied.
ChemInform Abstract: Pitting of Iron by Chloride in Borate Buffer Solution. Role of the Anodic Oxide Film.
Authors: BARDWELL J. A. , MACDOUGALL B.
Published: May 2016

The anodic behavior of Fe is studied in Cl‐‐containing and Cl‐‐free borate buffer solutions.
ChemInform Abstract: Wettability Effect on the Corrosion Kinetics of Iron Anodes in Sulfuric Acid Solutions.
Authors: TESCHKE O. , KLEINKE M. U. , GALEMBECK F.
Published: May 2016

The interdependence of electrode wetting and electrode corrosion rate is studied by measuring electrode corrosion rates, passive‐active transition current oscillation amplitudes, and electrode‐electrolyte contact angles for iron electrodes in aqueous H2SO4 solutions of various concentrations and in 1 M H2SO4 containing different surfactants in various amounts.
ChemInform Abstract: Preparation and Characterization of RuS2 and its Catalytic Properties in Biphenyl Hydrogenation.
Authors: BELLALOUI A. , MOSONI L. , ROUBIN M. , VRINAT M. , LACROIX M.
Published: May 2016

The title catalyst is synthesized directly from the elements at 1073 K in sealed evacuated silica tubes or by sulfuration of various precursors as "hydrated" ruthenium trichloride, tetraethylammonium pentachlororuthenate(III), or ammonium μ‐oxobispentachlororuthenate(IV).
ChemInform Abstract: On the Synthesis of Xenon (VI) Fluorobismuthate (V).
Authors: DRUZINA B. , ZEMVA B.
Published: May 2016

Treatment of bismuth pentafluoride (I) with excess xenon hexafluoride (II) results in the formation of the title compound (III) as a white diamagnetic solid.
ChemInform Abstract: Hole Delocalization in Oxidized Cerium(IV) Porphyrin Sandwich Complexes.
Authors: DONOHOE R. J. , DUCHOWSKI J. K. , BOCIAN D. F.
Published: May 2016

Optical absorption, ESR, and RR spectra for the one‐electron oxidation products of the sandwich compounds (I), in conjunction with electrochemical measurements, indicate that the holes of both oxidized species are delocalized on the vibrational and probably the electronic time scales.
ChemInform Abstract: Condensation of Salicylaldehyde with Phenylacetone and Ammonia.
Authors: SOLDATENKOV A. T. , MOBIO I. G. , PROSTAKOV N. S.
Published: May 2016

The reaction between salicylaldehyde (I), benzyl methyl ketone (II) and ammonium acetate (III) yields the products (IV)‐(VI).
ChemInform Abstract: Thermal Reactions of Ru(CO)3(C2H4)2 with Acyclic, Nonconjugated Dienes and Photochemistry of Ru(CO)4(η2‐diene) Complexes.
Authors: WUU Y.‐M. , ZOU C. , WRIGHTON M. S.
Published: May 2016

The use of (I) as a "Ru(CO)3"‐transfer reagent which permits the preparation of new thermally labile complexes such as (III) is reported.
ChemInform Abstract: Acylation of β‐Dicarbonyl Compounds by Hexafluoropropene Epoxide.
Authors: PASHKEVICH K. I. , SALOUTIN V. I. , KROKHALEV V. M.
Published: May 2016

Epoxides are known to acylate dicarbonyl compounds.
ChemInform Abstract: A Convenient Synthesis of 2‐Alkyl‐3‐fluoro‐3‐polyfluoroalkyl‐2‐propenals.
Authors: ZHOU Q.‐L. , HUANG Y.‐Z.
Published: May 2016

Palladium‐catalyzed reaction of the polyfluoroalkyl iodides (I) with the tertiary amines (II) gives the enamines (III) which are hydrolyzed with diluted hydrochloric acid to yield the acetaldehyde derivatives (V).
ChemInform Abstract: Ozonolysis of Alkenes and Investigation of the Reactions of Polyfunctional Compounds. Part 36. Synthesis of Ethyl 3,7,11‐Trimethyl‐2E,4E‐dodecadienoate.
Authors: ODINOKOV V. N. , KUKOVINETS O. S. , ZAINULLIN R. A. , SULTANMURATOVA V. R. , TOLSTIKOV G. A.
Published: May 2016

Starting from 1,5‐dimethylocta‐1,5‐diene (I) a mixture of the title compound (VI) and its (2Z,4E) isomer (VII) is prepared in an overall yield of 16%.
ChemInform Abstract: Unusual Reaction of 2‐Vinyloxyethanol with Sulfuryl Chloride.
Authors: KUKHAREV B. F. , STANKEVICH V. K. , TOMAROVSKAYA M. G.
Published: May 2016

The reaction between the title compound (I) and SO2Cl2 unexpectedly affords 2‐chloroethyl acetate (II).
ChemInform Abstract: Unexpected Regioselectivity in the Lithiation of Fluoroanisoles.
Authors: FURLANO D. C. , CALDERON S. N. , CHEN G. , KIRK K. L.
Published: May 2016

While lithiation of 4‐fluoroanisole (I) with sec‐butyllithium at room temperature and subsequent quenching with DMF (II) yield the aldehyde (III) as the sole product, the same reaction, carried out at ‐78°C, gives a mixture of the aldehydes (III) and (IV).
ChemInform Abstract: Investigations of Syntheses of Polycarboxylic Acids Derived from Biphenyl. Part 1. Synthesis of Biphenyl‐3,4‐dicarboxylic Acid by Liquid Phase Oxidation of 3,4‐Dimethylbiphenyl.
Authors: KOSHEL' G. N. , KRESTININA T. B. , SHAPIRO YU. E. , SHUTOVA I. V. , OGIL'KO M. N. , SEMENOVA I. B. , RUSAKOV A. I. , MIGACHEV G. I.
Published: May 2016

3,4‐Dimethylbiphenyl (IV) is prepared according to known procedures.
ChemInform Abstract: Photoinduced Multiple Z/E Isomerizations of (26)Paracyclophenes.
Authors: SUNDAHL M. , WENNERSTROEM O. + , RASTON I. , NORINDER U.
Published: May 2016

Of the six probable Z/E isomers of (26)paracyclophene four are prepared by stereoselective Wittig reactions, the all‐Z isomer (IV) even by three different routes; one synthesis is given as an example (see scheme).
ChemInform Abstract: Synthesis of Monocyclic β‐Lactams by the Photolytic Reaction of Chromium Carbene Complexes with s‐1,3,5‐Triazines.
Authors: HEGEDUS L. S. , D'ANDREA S.
Published: May 2016

The α‐aminopentacarbonylchromium carbene complex (I) reacts with the monomeric imines (II), derived from formaldehyde or acetone, upon irradiation, forming the β‐lactams (III).
ChemInform Abstract: Construction of β‐Lactams by Highly Selective Intramolecular C‐H Insertion from Rhodium(II) Carboxylate Catalyzed Reactions of Diazoacetamides.
Authors: DOYLE M. P. , SHANKLIN M. S. , OON S.‐M. , PHO H. Q. , VAN DER HEIDE F. R. , VEAL W. R.
Published: May 2016

Treatment of the diazoacetoacetamides (I), (III), and (VI) with catalytic amounts of dirhodium tetraacetate leads selectively to the formation of the β‐lactams (II), (IV), and (V) or (VII).
ChemInform Abstract: 3‐Pyridiniumindolyl‐2‐thiolates ‐ New Type of Functionalized Indoles.
Authors: GONDA J. , KRISTIAN P.
Published: May 2016

The pyridinium salts (III) which are accessible from the isothiocyanate (I) undergo a cyclization reaction on deprotonation with NaOEt/EtOH (or NaH/DMSO) to yield a novel type of functionalized indoles (IV).
ChemInform Abstract: Addition and Cycloaddition Reactions of Furo(3,2‐b)pyrroles and Their Benzo(b) Analogues: An NMR Study of Structure of Products.
Authors: KRUTOSIKOVA A. , DANDAROVA M. , ALFOELDI J. + , KOVAC J.
Published: May 2016

Reaction of the furopyrroles (I) with the alkynoates (II) or (VI) yields the products (III) or (VII) by initial cycloaddition at the furan nucleus.
ChemInform Abstract: Structure Determination of Bicyclo(1.1.1)pentane Diesters.
Authors: IRNGARTINGER H. , REIMANN W. , GARNER P. , DOWD P.
Published: May 2016

The carbonyl‐bridged di(hydroxymethyl)bicyclobutane (I) is oxidized to give the corresponding diacid (II) which is esterified and then O‐protected, yielding the spiro‐fused dioxolane diester (V).
ChemInform Abstract: Selective Fluorination of Ethyl 1‐Methyl‐4‐pyrazolecarboxylates with Poly(Hydrogen Fluoride)‐Amine Complex Under Electrolytic Anodic Oxidation.
Authors: MAKINO K. , YOSHIOKA H.
Published: May 2016

Electrolytic fluorination of pyrazolecarboxylates (I) gives the 5‐fluoropyrazoles (II) and (III).
ChemInform Abstract: Sulfuration of 5‐Benzylidenehydantoins.
Authors: SCHMIDT G. F. , SUESS‐FINK G. +
Published: May 2016

The Z‐5‐benzylidene‐1,3‐dialkylhydantoins (I) are heated with tetraphosphorus decasulfide in an autoclave, producing selectively the 4‐thiohydantoins (II).
ChemInform Abstract: Condensed Heteroaromatic Ring Systems. Part 15. Synthesis of Pyranopyridinones from Halopyridinecarbonitriles.
Authors: SAKAMOTO T. , AN‐NAKA M. , KONDO Y. , ARAKI T. , YAMANAKA H.
Published: May 2016

The palladium‐catalyzed cross‐coupling reaction of the cyanohalopyridines (I), (V), (VIII), and (XI) with the terminal acetylenes (II) yields the alkynylcyanopyridines (III), (VI), (IX), and (XII).
ChemInform Abstract: Spiro Epoxy Ketones. Part 2. Thermal Transformations of 2‐Benzylidenindan‐1,3‐dione α‐Oxide.
Authors: ANOKHINA I. K. , FEDOROVA N. G. , ZALUKAEV L. P. , KRYSIN M. YU.
Published: May 2016

Thermal treatment of the spirocyclic epoxide (II) gives the spirooxetane (I) or the spirodioxane (III) depending on the solvent used.
ChemInform Abstract: Cross‐Coupling of N‐Heteroaryl Halides with Active Methylene Compounds in the Presence of Tetrakis(triphenylphosphine)palladium.
Authors: SAKAMOTO T. , KATOH E. , KONDO Y. , YAMANAKA H.
Published: May 2016

Palladium‐catalyzed cross‐coupling reaction of the halogenated azines (I) or (IV) with the activated acetonitriles (II) yields the cyanomethylazines (III) or (V).
ChemInform Abstract: Purines, Pyrimidines and Condensed Systems Derived from Them. Part 5. Application of an N‐Amino Group as Protective Function in the Preparation of Asymmetric 1,3‐Dialkylxanthines from 3‐Methylxanthine.
Authors: KUZ'MENKO V. V. , GULEVSKAYA A. V. , POZHARSKII A. F.
Published: May 2016

In the presence of a base the reaction between 3‐methylxanthine (I) and sodium hydroxylamine O‐sulfonate (II) affords the 7‐amino derivative (III) along with the 1,7‐diamino derivative (IV).
ChemInform Abstract: Formation of 3‐Azapyrylium Salts in the Reaction of 1,3‐Diketones with Benzonitrile.
Authors: SHIBAEVA N. V. , BORODAEV S. V. , PYSHCHEV A. I. , LUK'YANOV S. M.
Published: May 2016

The title compounds (III) are formed under the conditions of the Ritter reaction from the 1,3‐diketones (I) and benzonitrile (II).
ChemInform Abstract: Boratirane: Preparation and Characterization of trans‐1,1,2,3‐Tetraphenylboratirane.
Authors: KROPP M. , BHAMIDAPATY K. , SCHUSTER G. B.
Published: May 2016

Irradiation of the triphenylstyrylborate (I) leads to formation of the air and water sensitive title compound (IIa).
ChemInform Abstract: Ring Enlargement of Boracyclanes via Sequential One‐Carbon Homologation. The First Synthesis of Boracyclanes in the Strained Medium Ring Range.
Authors: BROWN H. C. , PHADKE A. S. , RANGAISHENVI M. V.
Published: May 2016

The preparation of medium ring boracyclanes without any contamination by isomeric boracycles occurs by successive one‐carbon homologation with LiCH2Cl, generated in situ.
ChemInform Abstract: Formation of a Tetrazole from (PhMe2Si)3CSiMe2I. Crystal Structure of Cyclic (PhMe2Si)3CSiMe2N‐N=C(Me)‐N=N.
Authors: ALVANIPOUR A. , BUTTRUS N. H. , EABORN C. , HITCHCOCK P. B. , MANSOUR A. I. , SAXENA A. K.
Published: May 2016

The silyl iodide (I) reacts with sodium azide (II) in acetonitrile (III) to form the tetrazole (IV).
ChemInform Abstract: Organometallic Chemical Vapor Deposition of III/V Compound Semiconductors with Novel Organometallic Precursors.
Authors: COWLEY A. H. , BENAC B. L. , EKERDT J. G. , JONES R. A. , KIDD K. B. , LEE J. Y. , MILLER J. E.
Published: May 2016

Semiconductors such as gallium arsenide and indium phosphide are important materials used in the fabrication of microelectronic and optoelectronic devices.
ChemInform Abstract: Synthesis, Characterization, and Oxygen Atom Transfer Reactions of (HB(Me2C3N2H)3)MoO(S2P(OR)2) and (HB(Me2C3N2H)3)MoO2(η1‐S2P(OEt)2).
Authors: ROBERTS S. A. , YOUNG C. G. , CLELAND W. E. JUN. , ORTEGA R. B. , ENEMARK J. H.
Published: May 2016

The monooxo title complexes (III) are prepared according to the scheme.
ChemInform Abstract: Synthesis and Properties of Dialkoxydinitrosylmolybdenum Compounds and Their Derivatives.
Authors: KELLER A.
Published: May 2016

Depending on the bulkiness of the alkoxy group the reactions of the dinitrosyl(solvent)‐Mo complexes (I) and (IX) with alkoxides lead to the formation of bis(alkoxides) such as (III) or of bis(alkoxo)(solvent) products such as (VI) and (XI).
ChemInform Abstract: Permethyl Manganates. Synthesis and Characterization of Divalent (MnMe2‐ 4), Trivalent (MnMe2‐ 5), and Tetravalent (MnMe2‐ 6).
Authors: MORRIS R. J. , GIROLAMI G. S.
Published: May 2016

The tetrahedral high‐spin Mn(II) complex (IV), the probably square‐pyramidal Mn(III) compound (VI), and the octahedral Mn(IV) complex (VIII) are obtained according to the scheme and characterized by ESR spectra, magnetic moments, and for (IV) (space group P21/c, Z=4) and (VIII) (Pbca, Z=4) by X‐ray structure analysis.
ChemInform Abstract: Molecular Dinitrogen Complexes of Ruthenium(II) Porphyrins.
Authors: CAMENZIND M. J. , JAMES B. R. , DOLPHIN D. , SPARAPANY J. W. , IBERS J. A.
Published: May 2016

The complex (IVa) is prepared via a bis(tetrahydrofuran) precursor complex and characterized by a crystal structure analysis (P21/c, Z=4).
ChemInform Abstract: Bis(μ‐acetato)(μ‐oxo)bis(tris(pyridine)ruthenium(III)) Ion: A Ruthenium Analogue of the Hemerythrin Active Center.
Authors: SASAKI Y. , SUZUKI M. , TOKIWA A. , EBIHARA M. , YAMAGUCHI T. , KABUTO C. , ITO T.
Published: May 2016

The title complex (I) is formed by refluxing RuCl3·nH2O in an acetic acid‐H2O‐EtOH mixture, followed by the addition of pyridine with further refluxing and is isolated as its perchlorate or hexafluorophosphate (no yields given).
ChemInform Abstract: Structural and Synthetic Studies of the Spore Germination Autoinhibitor Gloeosporone.
Authors: SCHREIBER S. L. , KELLY S. E. , PORCO J. A. JUN. , SAMMAKIA T. , SUH E. M.
Published: May 2016

The macrolide (IX) is prepared starting from the ester (I) via two asym.
ChemInform Abstract: α‐Fluoromethyl N‐Methyl Phenyl Sulfoximine: A New Fluoromethylenation Reagent.
Authors: BOYS M. L. , COLLINGTON E. W. , FINCH H. , SWANSON S. , WHITEHEAD J. F.
Published: May 2016

Methyl phenyl sulfoxide (I) is converted to the reagent (VI) mentioned in the title via deoxyfluorination, followed by oxidation and consecutive treatment with sodium azide (IV) and trimethyloxonium tetrafluoroborate (V).
ChemInform Abstract: Studies Related to Penicillins. Part 25. Synthesis of N‐Phenylacetyl and N‐Triphenylmethyl Derivatives of 6‐Aminopenam 1‐Oxides.
Authors: KAURA A. C. , MAYCOCK C. D. , STOODLEY R. J. , BEAGLEY B. , PRITCHARD R. G.
Published: May 2016

Thermolysis of the sulfinylazetidinones (I) or (IV) yields the title compounds (II) or (V).
ChemInform Abstract: Biomimetic Syntheses of Pretetramides. Part 2. A Synthetic Route Based on a Preformed D Ring.
Authors: HARRIS T. M. , HARRIS C. M. , OSTER T. A. , BROWN L. E. JUN. , LEE J. Y.‐C.
Published: May 2016

Two routes leading to pretetramide (VII) using a) a (5 + (2 · 2) + 1) strategy and b) a (5 + 2 + 3) strategy are described.
ChemInform Abstract: Chemistry of Bacterial Endotoxins. Part 4. Synthesis of Anomeric 2‐Deoxy‐2‐((3R)‐3‐hydroxytetradecanamido)‐D‐glucopyranosyl Phosphate and Pyrophosphate Derivatives Related to ′Lipid A′.
Authors: TRIGALO F. , CHARON D. , SZABO L.
Published: May 2016

The synthesis of the phosphates (Ia) and (Ie), the aminoethyl derivative (Ib) and the pyrophosphates (Ic) and (Id) is described.
ChemInform Abstract: Is the Molecule BOK Quasi‐Linear?
Authors: ROSMUS P.
Published: May 2016

From ab initio Hartree‐Fock calculations it can be concluded that the hitherto unknown BOK molecule is most probably linear.
ChemInform Abstract: Novel Oxoplumbates(II) with Isolated Anion Structure: Rb4(PbO3) and Cs4(PbO3).
Authors: STOLL H. , BRAZEL B. , HOPPE R.
Published: May 2016

Rb4PbO3 crystallizes in the orthorhombic space group Pbca with Z = 8. Cs4PbO3 is monoclinic, P21, Z=4.
ChemInform Abstract: Synthesis and Phase Stability of Cotunnite‐Type Zirconia.
Authors: OHTAKA O. , KUME S. , ITO E.
Published: May 2016

The phase boundary between two high‐pressure phases of ZrO2, denoted as ortho I (Pbcm) and ortho II (Pnma) is studied.
ChemInform Abstract: Crystal Structures of Acid Hydrates and Oxonium Salts. Part 30. Fluorides and Fluoro Acids. Part 23. Hexafluorotitanic(IV) Acid: Studies on Formation and Structure of Crystalline Hydrates.
Authors: MOOTZ D. , OELLERS E.‐J. , WIEBCKE M.
Published: May 2016

The system H2TiF6‐H2O is investigated by low‐temp.
ChemInform Abstract: A Lithium/C2F Primary Battery.
Authors: HAGIWARA R. , LERNER M. , BARTLETT N. , NAKAJIMA T.
Published: May 2016

The discharge behavior of the Li/C2F battery in a 1 M LiClO4/propylene carbonate electrolyte is investigated.
ChemInform Abstract: Cs2Bi10Ca6Cl12O16, a Novel Type of Catalyst for Selective Oxidation Derived from BiOCl
Authors: HARRIS K. D. M. , UEDA W. , THOMAS J. M. , SMITH G. W.
Published: May 2016

is prepared as shown in the scheme.
ChemInform Abstract: f‐Element/Crown Ether Complexes. Part 26. Crystallization of Two Hydrated Forms of Hydrogen Bonded Complexes of NdCl3·nH2O and 15‐Crown‐5. Crystal Structures of (Nd(OH2)9)Cl3·15‐crown‐5·H2O and (NdCl2(OH2)6)Cl·15‐crown‐5.
Authors: ROGERS R. D.
Published: May 2016

The first one of the title complexes, the decahydrate, crystallizes in P212121 with Z=4; Nd is nine‐coordinate to nine H2O molecules, which are hydrogen‐bonded to the oxygen atoms of the crown ether, the three chloride ions and the tenth water.
ChemInform Abstract: Oxygen Sensitive Mn(depe)2X2 Complexes.
Authors: KULKARNI V. B. , GOVIND R.
Published: May 2016

For use in air separation systems, the title compounds (X: Br, NCS; depe: 1,2‐bis(diethylphosphino)ethane) are tested for their O2 affinity.
ChemInform Abstract: A Convenient Method for the Transformation of Allylstannanes to Alcohols, Ethers, Esters, and Amines.
Authors: TAKEDA T. , INOUE T. , FUJIWARA T.
Published: May 2016

The allylic stannanes (I) are treated with various nucleophiles such as (II) in the presence of cupric bromide, yielding mixtures of the substitution products (III) and (IV).
ChemInform Abstract: Micellar Catalysis of Organic Reactions. Part 22. A Comparison of the Basic Hydrolysis of Benzodiazepinones in the Presence of Reactive Counterion Micelles and Vesicles.
Authors: BROXTON T. J. , SANGO X. , WRIGHT S.
Published: May 2016

The rate of the hydrolysis of (I) increases in both micellar and vesicular solution on enhancement of the concentrations of NaOH or the detergent.
ChemInform Abstract: Photocycloadditions of 2‐(Trimethylsilyloxy)‐1,3‐butadiene to 2‐Cycloalkenones. Access to the Basic Pentalenolactone Skeleton.
Authors: DEMUTH M. , PANDEY B. , WIETFELD B. , SAID H. , VIADER J.
Published: May 2016

The title reaction of the compounds (I) and (II) proceeds with high stereoselectivity and yields the cycloadducts (III) as major products.
ChemInform Abstract: Gas‐Phase Pyrolysis of 6‐Alkylated Pentafulvenes.
Authors: ZIMMERMANN G. , REMMLER M. , ONDRUSCHKA B. , KOPINKE F.‐D. , OLK B.
Published: May 2016

The pyrolysis of (I) (350‐700 °C; flow reactor with 0.3 s delay time) results in isomerization processes providing the corresponding alkylaromatics.
ChemInform Abstract: Highly Active Water‐Soluble Zinc Porphyrins for Photoredox Reactions.
Authors: KINUMI Y. , OKURA I.
Published: May 2016

On irradiation of a sample solution containing mercaptoethanol as the electron donor, a porphyrin complex (I) and methyl viologen, formation of the reduced form of methyl viologen is observed.
ChemInform Abstract: Catalytic Reduction of Diphenylacetylene by Zinc over Palladium‐Carbon Using Viologens as Electron Mediators.
Authors: SHOSENJI H. , NAKANO Y. , YAMADA K.
Published: May 2016

Diphenylacetylene (I) is reduced with zinc in aqueous methanol in the presence of palladium on carbon and catalytic amounts of viologens to produce cis‐diphenylethene, together with diphenylethane.
ChemInform Abstract: Preparation and Chemical Behavior of exo‐Methylene Compounds: Isoelectronic Compounds of 5‐Methylenecyclohexa‐1,3‐diene.
Authors: SUGIMOTO A. , YAMANO J. , YASUEDA M. , YONEDA S.
Published: May 2016

A wide range of reactions of exo‐methylene compound (II) (half‐live ca. 3 d in refluxing CHCl3) is studied.
ChemInform Abstract: Photoreactions of Tetrafluorodiphosphine with Alkynes.
Authors: MORSE J. G. , MIELCAREK J. J.
Published: May 2016

Photochemically induced reaction of tetrafluorodiphosphine (II) with the alkynes (I) gives the bis(difluorophosphino)alkenes (III) as the main products, together with the saturated tetraphosphines (IV).
ChemInform Abstract: Capacity of Quadricyclane Frameworks Related to syn‐Sesquinorbornatriene for Excited‐State Rearrangement.
Authors: PAQUETTE L. A. , KUENZER H. + , KESSELMAYER M. A.
Published: May 2016

Below‐plane Diels‐Alder cycloaddition reaction of the tricyclodecatriene (I) with the disulfone (II) gives the compound (III) sensitized irradiation of which and subsequent introduction of the double bond provide the quadricyclane system (→ (IV), (V)).
ChemInform Abstract: A Simple and General Synthesis of Symmetrical and Unsymmetrical Bis(arylamino)methanes. Reactions of N,O‐Acetals with Nitrogen Bases.
Authors: BARLUENGA J. , BAYON A. M. , CAMPOS P. J. , CANAL G. , ASENSIO G. , GONZALEZ‐NUNEZ E. , MOLINA Y.
Published: May 2016

Sym. aminals (IV) can be efficiently prepared by two methods: 1. decomposition of N,O‐acetals such as (I) under elimination of Li‐methoxide generates the methyleneamine (III) which is then trapped by an equimolar amount of the corresponding arylamine (II); 2. the latter method is simplified from the experimental standpoint by promoting the elimination of Li‐methoxide with the corresponding lithium amide (V) as the base.
ChemInform Abstract: Study of Phenol Chlorination with Sodium Hypochlorite.
Authors: POTMISCHIL F. , BEKIARIS C. , NAIMAN M. , PETRIDE A.
Published: May 2016

The chlorination of phenol (I) with aqueous sodium hypochlorite solution is investigated under various conditions.
ChemInform Abstract: The Facile Rearrangement of 1‐Phenylindene to 3‐Phenylindene Induced by (CH3CN)3Cr(CO)3.
Authors: BERNO P. , CECCON A. , GAMBARO A. , VENZO A.
Published: May 2016

1‐Phenylindene (I) is rearranged upon treatment with the acetonitrile/ chromiumtricarbonyl complex (II) at room temperature to give 3‐phenylindene (III).
ChemInform Abstract: A (3 + 2)Cycloaddition Route to N‐H Pyrrolidines Devoid of Electron‐Withdrawing Groups.
Authors: ROUSSI G. , ZHANG J.
Published: May 2016

The ylide, derived from the N‐oxide (I), undergoes 1,3‐dipolar cycloaddition reaction with the olefins (II) to give the pyrrolidines (III).
ChemInform Abstract: Pyrroloindoles. Part 13. Properties of 1H,10H‐Benzo(e)pyrrolo(3,2‐g)indole.
Authors: TRAPAIDZE M. V. , SAMSONIYA SH. A. , KUPRASHVILI N. A. , MAMALADZE L. M. , SUVOROV N. N.
Published: May 2016

The benzopyrroloindole (III) is coupled with the Vilsmeier's reagent (II) to give the formyl compounds (I) or (IV) depending on the molar ratio.
ChemInform Abstract: Bis(dioxothiacyclopenta)tetrathiafulvalene.
Authors: VECIANA J. , ROVIRA C. , COWAN D.
Published: May 2016

The dithiocarbamate (I) reacts with bromine and the acids (II) under cyclization, forming the iminium salts (II) which are selenated and dehydrobrominated to yield the selone (VII).
ChemInform Abstract: Metalations of Imidazoles. (Poly)Functionalization and Conversions to Imidazolones.
Authors: LIPSHUTZ B. H. , HUFF B. , HAGEN W.
Published: May 2016

Imidazole (I) is N‐protected and then subjected to various lithiation and quenching experiments, yielding the mono‐ and disubstituted derivatives (VII) or (VI).
ChemInform Abstract: Bivalent Copper Ion Complex of a Novel Anionic Surfactant Having Functional Imidazole and Hydroxyl Groups as a Remarkably Active Model of Hydrolytic Metalloenzymes.
Authors: FUJITA T. , OGINO K. , TAGAKI W.
Published: May 2016

4‐Hydroxymethylimidazole (I) is consecutively N‐alkylated, chlorinated, and coupled with the mercaptoethylsulfonate (IV) to yield the derivative (V).
ChemInform Abstract: Stereoselective Reduction of Bicyclic Ketals. An Efficient Synthesis of (R,R)‐(‐)‐(cis‐6‐Methyltetrahydropyran‐2‐yl)acetic Acid, an Enantiomer of Civet Cat Constituent.
Authors: KOTSUKI H. , USHIO Y. , KADOTA I. , OCHI M.
Published: May 2016

The bicyclic acetals (I) are reductively cleaved with various hydrides, yielding the diastereomeric 2,6‐disubstituted tetrahydropyrans (II) and (III).
ChemInform Abstract: Synthesis of 4H‐(1)Benzopyrano(3,4‐c)(1,2,5)thiadiazol‐4‐one and Its Reactions with Some Nucleophiles and Electrophiles.
Authors: SAVEL'EV V. L. , SAMSONOVA O. L. , TROITSKAYA V. S. , VINOKUROV V. G. , LEZINA V. P. , SMIRNOV L. D.
Published: May 2016

The diaminocoumarin (II) is treated with thionyl chloride (III) to produce the benzopyranothiadiazolone (IV).
ChemInform Abstract: Synthesis of New Type Stable Heterotriene. Conjugated Dienic Thioketone.
Authors: KARAKASA T. , MORIYAMA S. , MOTOKI S.
Published: May 2016

2‐(Phenylthiomethylene)tetralin‐1‐thione (II), prepared from the ketone (I) by sulfuration with Lawesson's reagent, undergoes hetero‐Diels‐Alder reaction with chalcone (III), forming the regioisomeric cycloadducts (IV) and (V).
ChemInform Abstract: Optically Active Alkylbipyridines as Chiral Ligands in Asymmetric Catalysis. Synthesis of 2‐(2′‐Pyridyl)‐5,6,7,8‐tetrahydro‐8,9,9‐trimethyl‐5,8‐methanoquinoline and Rhodium‐Promoted Asymmetric Transfer Hydrogenation of Acetophenone.
Authors: GLADIALI S. , CHELUCCI G. , SOCCOLINI F. , DELOGU G.
Published: May 2016

The N‐oxide (II), obtained by MCPBA oxidation of the pyridocamphor (I), is consecutively methylated with dimethyl sulfate (III) and treated with potassium cyanide (IV), producing a mixture of the cyanides (V) and (VI).
ChemInform Abstract: Synthesis and Acylation of Tertiary Enamines. Substituted 1,2,3,4‐Tetrahydroisoquinolines.
Authors: SHKLYAEV V. S. , ALEKSANDROV B. B. , GAVRILOV M. S. , MIKHAILOVSKII A. G. , VAKHRIN M. I.
Published: May 2016

Methylation of the dihydroisoquinolines (I) and subsequent treatment of the iminium salts (III) with a base give the enamines (IV).
ChemInform Abstract: Chemistry of Organosilicon Compounds. Part 251. Tris(tert‐butyldimethylsilyl)trimethylsilylethylene and Tetrakis(dimethylsilyl)ethylene. The Most Twisted and Untwisted Tetrasilylethylenes.
Authors: SAKURAI H. , EBATA K. , SAKAMOTO K. , NAKADAIRA Y. , KABUTO C.
Published: May 2016

The bicyclic disilane (I) is thermolyzed with the bis(silyl)acetylenes (II) to give the disilacyclobutenes (III) which are cleaved by bromination, forming the tetrakis(silyl)ethenes (IV).
ChemInform Abstract: Structural Characterization of Paramagnetic, Triangulo Niobium Clusters, Cp′3Nb3Cl3(μ2‐Cl)3(μ3‐O)(μ3‐X) (X: OH, Cl).
Authors: CURTIS M. D. , REAL J.
Published: May 2016

The niobium(III) complex (I) undergoes decarbonylation in refluxing THF to give the paramagnetic compound (II).
ChemInform Abstract: Addition of Pentacarbonylrhenate to Coordinated Benzene: A σ,π‐Bridged, Fluxional Cyclohexadienyl Complex, (OC)5Re‐μ‐(η1:η5‐C6H6)Mn(CO)3.
Authors: NIEMER B. , STEIMANN M. , BECK W.
Published: May 2016

The title reaction gives (III) (besides Re2(CO)10), which crystallizes in P21/n with Z=4.
ChemInform Abstract: Preparation of Some Ferrocenylcarbonylhydrazones and Their Coordination Compounds.
Authors: MA Y. , LI F. , SUN H. , XIE J.
Published: May 2016

The new title ligands (III) undergo enolization when reacting with Ni acetate (IV) and form the chelate complexes (V) which are characterized by IR spectra.
ChemInform Abstract: Electron Mediation Through the Thiocyanate Bridge: Mono‐ and Dinuclear Ruthenium Diimine Complexes and Their Mixed‐Valence Properties.
Authors: PALANIAPPAN V. , SATHAIAH S. , BIST H. D. , AGARWALA U. C.
Published: May 2016

Starting with the complex (I), which in turn is obtained in 75‐85% yield from the corresponding cis dichloro complex by refluxing in water and reaction with excess KNCS, the thiocyanato bridged dimeric complexes (II) are prepared by coupling a corresponding second complex unit on the free sulfur end of (I).
ChemInform Abstract: Coordination of New Sulfur Containing Ligands. Part 30. Syntheses and Characterization of Nickel Group Complexes of Two New 1,2‐Dithiolenes Containing the Tetrathioethylene Unit.
Authors: VANCE C. T. , BEREMAN R. D.
Published: May 2016

Dipotassium 1,2‐bis(methylmercapto)‐1,2‐dithiolate reacts with NiCl2 or PtCl2 in EtOH/H2O and with PdCl2(PhCN)2 in THF, followed by addition of NEt4Br to yield the metal (III) complexes (I).
ChemInform Abstract: Water Soluble DACH‐Pt(II) Complexes: Problems of Purification; Stability of Complexes with Nitrogen‐Containing Ligands.
Authors: ROBERTS J. D. , SCHMIDT W. J. , TONG W. P. , HACKER M. P.
Published: May 2016

On further purification the known water soluble Pt(II) antitumor complexes (I) and (II) are found to be significantly less active in biological systems than previously reported.
ChemInform Abstract: Transition‐Metal Complexes with Bidentate Ligands Spanning trans‐Positions. Part 17. Platinum(II) Complexes with Anionic Ligands such as Methoxide, Formate, Carboxylate, Hydride, and Borohydride, and the X‐Ray Crystal Structure of (PtHCl(PP)) (PP: 2,11‐Bis(diphenylphosphinomethyl)benzo(c)phenanthrene).
Authors: BRACHER G. , KELLENBERGER B. , VENANZI L. M. , BACHECHI F. , ZAMBONELLI L.
Published: May 2016

trans‐Complexes of the type PtMeX(P1‐P1) such as (I) and (III) as well as PtHX(P1‐P1) such as (IV) and (VI) are prepared.
ChemInform Abstract: Synthesis of (+)‐1,3:2,5‐Dianhydroviburnitol ((+)‐(1R,2R,3S,5R,6S)‐4,7‐Dioxatricyclo(3.2.1.03,6)octan‐2‐ol).
Authors: LE DRIAN C. , VOGEL P.
Published: May 2016

Epoxidation of the acetate (I) followed by saponification affords the derivative (+)‐(II) the reduction of which with NaBH4 gives the isomeric alcohols (III) and (IV).
ChemInform Abstract: Cleavage of Cyclic Ethers Including Oxetane and Oxolane with a Highly Nucleophilic Species of Phenylselenide Anion.
Authors: HARAGUCHI K. , TANAKA H. , HAYAKAWA H. , MIYASAKA T.
Published: May 2016

Diphenyl diselenide (I) is reduced with lithium alanate to give the anion (II).
ChemInform Abstract: Low‐Temperature Sintering of Aluminum Oxide.
Authors: YEH T.‐S. , SACKS M. D.
Published: May 2016

An agglomerate‐free (achieved by ultrasonication), fine‐sized Al2O3 suspension is prepared by sedimentation of a commercial powder.
ChemInform Abstract: Extended Hueckel Theory for Ionic Molecules and Solids: An Application to Alkali Halides.
Authors: WANG Y. , NORDLANDER P. , TOLK N. H.
Published: May 2016

A simple method of incorporating electrostatic forces into the extended Hueckel scheme is presented.
ChemInform Abstract: Crystal Structure of the Basic Zirconium Sulfate Zr(OH)2SO4.
Authors: EL BRAHIMI M. , DURAND J. , COT L.
Published: May 2016

The title compound is obtained from an aqueous solution of Zr(SO4)2·4 H2O (autoclave, 240‐550 °C, 1 week).
ChemInform Abstract: Crystal Structure of the High‐Tc Superconductor Tl2Ba2Ca2Cu3O10.
Authors: OTTO H. H. , ZETTERER T. , RENK K. F.
Published: May 2016

The title compound, prepared by solid state reaction of Tl2O3, Ba(NO3)2, CaO, and CuO at 800‐840 °C exhibits a superconducting transition temp. of 110 K. The space group of this 2223 phase is most likely I4/mmm with Z=2.
ChemInform Abstract: Dielectric Properties of MXO4 Compounds Isotypic with α‐Quartz: AlPO4 and GaPO4.
Authors: RIBES H. , GIUNTINI J. C. , GOIFFON A. , PHILIPPOT E.
Published: May 2016

The dielectric constants ε11 and ε33 of the title compounds are measured as a function of temp., frequency, and, in the case of AlPO4, water content of the crystal.
ChemInform Abstract: Standard Enthalpies of Formation of RuSi, RhSi, and IrSi
Authors: TOPOR L. , KLEPPA O. J.
Published: May 2016

are determined by high‐temp.
ChemInform Abstract: Electrolytic Recovery of Gold from Aqueous Solutions.
Authors: AVCI E.
Published: May 2016

An electrolytic reactor using a rotating tubular bed reactor with extended cathode surface area instead of vertical planar electrodes improves the mass transfer during the electrolysis of metal ions in dilute solutions.
ChemInform Abstract: Kinetic and Thermodynamic Analysis of Hydrogen Evolution at Nickel Electrodes.
Authors: KREYSA G. , HAKANSSON B. , EKDUNGE P.
Published: May 2016

iR‐corrected steady‐state polarization curves for H2 evolution in alkaline solution at crystalline and amorphous Ni electrodes (Ni78Si8B14) are obtained using an experimental procedure consisting of a potentiostatic computer‐assisted interruption technique and numerical extrapolation of potential transients.
ChemInform Abstract: Dissolution Behavior of Anodic Oxide Films Formed on Antimony in Fluoride Solutions as Revealed from Impedance and Potential Measurements
Authors: BADAWY W. A. , MOGODA A. S. , IBRAHIM M. M.
Published: May 2016

as a function of the F‐ ion concentration, formation voltage, and temperature.
ChemInform Abstract: The Role of a Slow Phase Formation Process in the Growth of Anodic Silver Oxide Layers in Alkaline Solutions. Part 1. Electroformation of Ag(I) Oxide Layer.
Authors: GOMEZ BECERRA J. , SALVAREZZA R. C. , ARVIA A. J.
Published: May 2016

From investigations on polycrystalline Ag electrodes in 0.1 M NaOH using voltammetric and potentiostatic measurements, for the first time unambiguous evidence is presented for participation of a nucleation and growth rate controlled process in the electroformation of the Ag2O layers.
ChemInform Abstract: Synthesis and Characterization of (Mo2(S)2(μ‐S)(η2‐S2)4)2‐ and Rational Synthesis of (M2(L)2(μ‐S)(η2‐S2)4)2‐ (M: Mo, W; L: O, S) Anions.
Authors: CHANDRASEKARAN J. , ANSARI M. A. , SARKAR S.
Published: May 2016

The new title anion (IIIa) and the reported complexes (IIIb), (Va), and (Vb) can be prepared by external acidification of (AsPh4)2MS4 and (AsPh4)2MOS3 in the presence of S8 or, in the case of the Mo compounds (VII) and (IX) without acidification, but by the use of protonated ammonium salts.
ChemInform Abstract: Influence of Variations in the Chromophoric Ligand on the Properties of Metal‐to‐Ligand Charge‐Transfer Excited States.
Authors: JOHNSON S. R. , WESTMORELAND T. D. , CASPAR J. V. , BARQAWI K. R. , MEYER T. J.
Published: May 2016

The results of electrochemical and photophysical measurements of complexes such as (I)‐(III) show that substituent variations in the chromophoric ligands have a relatively minor effect on the dπ(Os) levels and that linear correlations exist between metal‐to‐ligand CT absorption or emission band energies and the differences in metal‐based oxidation and ligand‐based reduction potentials.
ChemInform Abstract: Hydrolysis of Ketol Trimethylene Dithioacetals. Attempted Synthesis of Yashabushiketol.
Authors: HO T.‐L. , HILL R. J. , WONG C. M.
Published: May 2016

Cleavage of the dithianes (I) with thallium(III) trifluoroacetate forms the corresponding α‐ketols (II).
ChemInform Abstract: Hypervalent Alkenyliodonium Tetrafluoroborates. Evidence for Generation of Alkylidenecarbenes via Base‐Induced α‐Elimination.
Authors: OCHIAI M. , TAKAOKA Y. , NAGAO Y.
Published: May 2016

Treatment of the iodonium salts (III), readily available from the compounds (I), with Et3N or tBuOK results in cyclization to give the bicyclooctenes (IV) by insertion reaction of the alkylidenecarbenes generated from (III).
ChemInform Abstract: Synthesis and X‐Ray Crystal Structure of 3‐Amino‐1‐aryl‐1‐hydroxybut‐2‐ene‐2‐carbonitriles, Intermediates in a Knoevenagel‐Type Condensation.
Authors: O'CALLAGHAN C. N. , CONLON D. M. A. , CARDIN C. J.
Published: May 2016

The reaction of the aminocrotononitrile (I) with aromatic aldehydes having electron‐withdrawing substituents such as (II) in basic or neutral media yields the title compounds (III), which on dehydration and hydrolysis afford the oxobutenecarbonitriles (IV).
ChemInform Abstract: Asymmetric Synthesis of Functionalized α‐Amino‐β‐hydroxy Acids via Chiral Norephedrine‐Derived Oxazolidines.
Authors: CARDANI S. , BERNARDI A. , COLOMBO L. , GENNARI C. , SCOLASTICO C. , VENTURINI I.
Published: May 2016

The target compound, the anti aldehyde (IX), is synthesized starting from the aldehyde (I) which, in turn, is readily available from (1R,2S)‐norephedrine.
ChemInform Abstract: 3,7‐Dicyano‐2,6‐dimethoxy‐1,5‐dimethylsemibullvalene.
Authors: QUAST H. , KLAUBERT C. A. , JACKMAN L. M. , FREYER A. J.
Published: May 2016

Michael reaction of the methylmalonate (I) and acrylonitrile (II) and subsequent hydrolysis yields the monoacid (III), which undergoes Kolbe electrolysis to give the meso‐ and rac‐bis(esternitriles) (IV) and (V).
ChemInform Abstract: Synthesis of α‐Amino Acids Using Transition Metal Catalysis ‐ Alkylation of Schiff Bases Derived from α‐Amino Acid Esters (Regio‐, Stereoselectivity).
Authors: GENET J.‐P. , JUGE S. , ACHI S. , MALLART S. , RUIZ MONTES J. , LEVIF G.
Published: May 2016

A general approach to the synthesis of various γ,δ‐unsaturated α‐amino acid esters starts with the alkylation of Schiff bases such as (I) in the presence of Pd (or Mo) catalysts under neutral or basic conditions using allylic carbonates (e.g.
ChemInform Abstract: Cupped‐ and Cappedophanes, Two New General Classes of Compounds with Molecular Cavities.
Authors: VINOD T. K. , HART H.
Published: May 2016

Key intermediate for the title compounds is the tetra(bromomethyl)terphenyl (V).
ChemInform Abstract: Synthesis of 3‐Amino‐4‐benzoylsydnones.
Authors: FLEISCHHACKER W. , URBAN E.
Published: May 2016

Starting with ethyl hydrazinoacetate hydrochloride (I), 3‐benzylaminosydnone (VIIa) is synthesized as shown in the reaction scheme.
ChemInform Abstract: A Facile Synthesis of Spiroacetals.
Authors: BRIMBLE M. A. , OFFICER D. L. , WILLIAMS G. M.
Published: May 2016

The 4‐siloxybutyl sulfones (I) are deprotonated and then coupled with the lactones (II) to form the acyclic (III) and cyclic adducts (IV).
ChemInform Abstract: Reaction of Allylic Tin Reagents with Nitrogen Heteroaromatics Activated by Alkyl Chloroformates: Regioselective Synthesis of α‐Allylated 1,2‐Dihydropyridines and Change of the Regioselectivity Depending on Methyl Substituents at the Allylic Moiety.
Authors: YAMAGUCHI R. , MORIYASU M. , YOSHIOKA M. , KAWANISI M.
Published: May 2016

The N‐(alkoxycarbonyl)pyridinium chlorides (I), formed in situ from pyridine and alkyl chloroformates, react with allyltributyltin (II) to yield the 2‐substituted 1,2‐dihydropyridines (III) with a high regioselectivity, along with minor amounts of the 4‐substituted 1,4‐dihydropyridines (IV).
ChemInform Abstract: Synthesis and Reactions of 3‐(N‐Arylcarbamoyl)‐2‐methylcinchoninic Acids.
Authors: UKHOV S. V. , KONSHIN M. E.
Published: May 2016

The isatinic acid potassium salts (I) are coupled with the acetoacetic acid arylamides (II) to give the arylcarbamoylcinchoninic acids (III).
ChemInform Abstract: An Intramolecular Ring Contraction Approach to the Synthesis of Indolizidine Alkaloids.
Authors: ZELLER E. , GRIERSON D. S.
Published: May 2016

Lithiation of the synthon (I) and subsequent coupling with propyl bromide (II) followed by reductive decyanation of the product (III) give the key intermediate (IV).
ChemInform Abstract: Synthesis of 7,12‐Dihydropyridopyrroloindoles (Azapyridodiindoles) via the Fischer Indole Cyclization. A Search for Water Soluble Benzodiazepine Receptor Ligands.
Authors: TAN Y.‐C. , TRUDELL M. L. , COOK J. M.
Published: May 2016

Treatment of the 3‐acylindole (I) with 2‐hydrazinopyridine (II) gives the hydrazone (III).
ChemInform Abstract: Acylation of 2‐ and 4‐Hydroxyaminopyrimidines.
Authors: SEDOVA F. V. , MOSKALENKO G. G. , MAMAEV V. P.
Published: May 2016

Acylation of the 2‐hydroxyaminopyrimidines (I) gives the derivatives (III), (V), and (VI) as shown in the reaction scheme.
ChemInform Abstract: Synthesis and Biological Activity of Pyrrolo(2,3‐d)pyrimidines.
Authors: DAVE C. G. , SHAH P. R. , UPADHYAYA S. P. , GANDHI T. P. , PATEL R. B.
Published: May 2016

Sixteen title compounds of type (III), twelve title compounds of type (V) and twelve title compounds of type (VII) are prepared starting from the corresponding pyrroles as shown for the examples in the scheme.
ChemInform Abstract: Synthetic Studies on Medium and Large Ring Esters.
Authors: KULKARNI N. N. , KULKARNI V. S. , LELE S. R. , HOSANGADI B. D.
Published: May 2016

In connection with a study of the photochemical behavior of multi‐membered heterocycles, a series of seven‐, fourteen‐ and twenty‐membered ring systems such as (II), (III), (V), (VI) and (IX) are prepared.
ChemInform Abstract: nido‐Carborane Building‐Block Reagents. Part 1. Polycyclic Arene RR′C2B4H6 Derivatives: Synthesis via Indenyl and Fluorenyl Alkynes and Metal‐Promoted Oxidative Fusion.
Authors: FESSLER M. E. , SPENCER J. T. , LOMAX J. F. , GRIMES R. N.
Published: May 2016

The carboranes (V) are prepared in the usual way by the reaction of the corresponding alkynes (III) with B5H9 (IV) in the presence of NEt3.
ChemInform Abstract: nido‐Carborane Building‐Block Reagents. Part 3. Cyclic and Open‐Chain Oligomers. Incorporating Cyclic‐CB4H6C‐ Units. “Crown” Carboranes.
Authors: BOYTER H. A. JUN. , GRIMES R. N.
Published: May 2016

The general preparative route to nido‐C2B4 species via reaction of B5H9 with alkynes is applicable to polyalkynes as shown in the scheme for the preparation of (III), (V), and (VII).
ChemInform Abstract: Compounds of Silicon and Its Group Homologues. Part 84. Ammonia Derivatives. Part 9. Sterically Crowded Silicon Compounds. Part 4. Syntheses and Structures of the Sterically Overloaded Disiloxanes and Disilazanes (tBu3Si)2O, (tBu3Si)2NH, (tBu3SiNHSitBu2)2O.
Authors: WIBERG N. , KUEHNEL E. + , SCHURZ K. , BORRMANN H. , SIMON A.
Published: May 2016

Starting with the disilyltriazene (I) and the silanimine (V) the title compounds (III), (IV) and (VI) are obtained as shown in the scheme.
ChemInform Abstract: Synthesis of Tristyrylphosphine from Red Phosphorus and Phenylacetylene in a Superbasic Medium.
Authors: TROFIMOV B. A. , GUSAROVA N. K. , MALYSHEVA S. F. , VYALYKH E. P. , RAKHMATULINA T. N. , VORONKOV M. G.
Published: May 2016

Phenylacetylene (I) reacts with red phosphorus (II) in a superbasic medium (not spezified) to give the phosphine (III) which is converted to the phosphine oxide (IV) and the phosphonium salt (V).
ChemInform Abstract: Synthesis and X‐Ray Crystal Structure of Zerovalent Tungsten Aryloxide Dimers.
Authors: DARENSBOURG D. J. , SANCHEZ K. M. , REIBENSPIES J. H.
Published: May 2016

The mononuclear aryloxide complexes (III) prepared as shown are stable in THF solution in the presence of 1 atm of CO.
ChemInform Abstract: Octahedral Metal Carbonyls. Part 63. Chelate Ring Displacement of DTHp from cis‐(DTHp)W(CO)4 by Lewis Bases (DTHp: 2,2,6,6‐Tetramethyl‐3,5‐dithiaheptane, Lewis Base: L (Phosphine, Phosphite)).
Authors: DOBSON G. R. , CORTES J. E.
Published: May 2016

The kinetics and mechanism of the title reaction at various temp., according to the equation outlined in the scheme, are investigated by employing pulsed laser flash photolysis.