bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: New PtS4 Chromophores of Dithiocarbamates Derived from α‐Amino Acids: Synthesis, Characterization and Thermal Behavior.
Authors: CRIADO J. J. , CARRASCO A. , MACIAS B. , SALAS J. M. , MEDARDE M. , CASTILLO M.
Published: May 2016

The Pt(II) dithiocarbamate complexes (III) derived from glycine, DL‐alanine, DL‐valine, and DL‐leucine are prepared as shown and characterized by elemental analysis, IR, electronic, 1H and 13C NMR, and X‐ray photoelectron spectroscopies, magnetic susceptibility measurements, TG and DSC analysis.
ChemInform Abstract: The Autoxidation of 3‐Hydroxyanthranilic Acid in the Presence of Amino Acids.
Authors: MANTHEY M. K. , PYNE S. G. , TRUSCOTT R. J. W.
Published: May 2016

To address the problem of protein modification by the oxidized title compound, the title reaction which leads to the p‐quinone derivatives (III), (VI), (VIII) and (IX) is carried out.
ChemInform Abstract: Glycosylaziridine Derivatives.
Authors: TRONCHET J. M. J. , MASSOUD M. A. M.
Published: May 2016

The aziridines (III) are prepared by reaction of the bromoenoses (I) with ammonia (II).
ChemInform Abstract: Stereochemical Aspects of Photo‐SET Induced Diradical Cyclization Reactions as Part of Isoquinoline Alkaloid Synthetic Strategies.
Authors: CHO I.‐S. , LEE C.‐P. , MARIANO P. S.
Published: May 2016

Photolytic C‐desilylation of the dihydroisoquinolinium perchlorate (II) produces the diradical (III) which undergoes intramolecular cyclization, forming the berbine isomers (IV) and (V).
ChemInform Abstract: Structure Determination of New Isomeric Naphtho(2,3‐b)furan‐4,9‐diones from Tabebuia avellanedae by the Selective‐INEPT Technique.
Authors: WAGNER H. , KREHER B. , LOTTER H. , HAMBURGER M. O. , CORDELL G. A.
Published: May 2016

Besides the known naphthoquinones, dehydro‐α‐lapachone and lapachol, the new title compounds (I), the benzofuranaldehyde (II), and (III) are isolated from a CHCl3 extract of the inner stem bark of T. avellanedae Lorentz ex Griseb., together with a variety of known compounds, which have not been reported previously from this plant.
ChemInform Abstract: Synthesis of Potential Oxa and Dioxa Juvenoids with Camphene and Bornane Systems in the Terminal Position.
Authors: BOROWIECKI L. , WELNIAK M. , WODZKI W.
Published: May 2016

The (camphenyl)‐6‐oxaesters (VI) and (VIII) are synthesized starting with the acids (II) and the ketone (VII), respectively, as demonstrated for (VI).
ChemInform Abstract: Fabrication of Titanium Carbide Ceramics by High‐Pressure Self‐Combustion Sintering of Titanium Powder and Carbon Fiber.
Authors: ADACHI S. , WADA T. , MIHARA T. , MIYAMOTO Y. , KOIZUMI M. , YAMADA O.
Published: May 2016

Porous TiC with a density of ∼50% of the theoretical density is obtained by means of the title method using a pressure of 65 MPa, while a pressure of 3 GPa yields a dense TiC compact (>95% of theoretical).
ChemInform Abstract: Study of the Li‐Ga System by Differential Scanning Calorimetry.
Authors: ITAMI T. , SHIMOJI M. , VAN DER LUGT W.
Published: May 2016

The phase diagram of the Li‐Ga system is found to have an eutectic point at 97 at.% Li (170 °C).
ChemInform Abstract: CsB3H8: Crystal Structure and Upgrading of the Synthesis.
Authors: DEISEROTH H. J. , SOMMER O. , BINDER H. , WOLFER K. , FREI B.
Published: May 2016

NaB3H8, prepared in high yield as shown in the scheme, is used to prepare the title compound according to a published procedure.
ChemInform Abstract: Chemistry of Silicon‐Nitrogen Compounds. Part 165. Crystalline Products from the Reaction of Silicon Tetrachloride with Nitrogen in a Glow Discharge. Single Crystal X‐Ray Structure Determination of N(SiCl3)3 and Cl3SiN(SiCl2)2NSiCl3.
Authors: WANNAGAT U. , FLINDT R. , BRAUER D. J. , BUERGER H. + , DOERRENBACH F. +
Published: May 2016

Using mass and vibrational spectroscopy as well as single crystal XRD the two crystalline compounds obtained by reacting a SiF4/N2 mixture in a glow discharge tube are identified to be (I) and (II), respectively.
ChemInform Abstract: BaNi2In4Sc4O15 with BaV10O15 Structure, but Ordered Metal Distribution.
Authors: MUELLER‐BUSCHBAUM HK. + , RUETER I. +
Published: May 2016

The title compound, obtained by heating a pressed pellet containing BaCO3, basic nickel carbonate, Sc2O3, and In2O3 (1:2:2:2.5; 1. 1000 °C, 48 h; 2. 2000 °C (CO2 laser); 3. 1600 °C, 15 min), crystallizes in the space group Cmca, Z=4.
ChemInform Abstract: BaNiDy2O5 (I) and BaNiLu2O5 (II) with Octahedral and Tetragonal Pyramidal Coordinated Ni2+,
Authors: MUELLER‐BUSCHBAUM HK. + , RUETER I. +
Published: May 2016

are prepared for the first time by heating a pressed pellet containing BaCO3, basic NiCO3, and Dy2O3 or Lu2O3, resp. (1:1:1; 1. 1000 °C, 24 h; 2. > 1500 °C (CO2 laser), 10‐30 min).
ChemInform Abstract: Crystal Structure of a Complex Between Sodium Perchlorate and a Bicyclic Polyether.
Authors: TRUTER M. R.
Published: May 2016

The title complex (I) crystallizes in Pn with Z=4, the asym.
ChemInform Abstract: Crystal Structure and Mass Spectrometry of Dibromodimethyl(1‐methyl‐2(3H)‐imidazolinethione‐S)tin(IV).
Authors: VALLE G. , SANCHEZ GONZALEZ A. , VETTORI U. , ETTORRE R.
Published: May 2016

The title compound crystallizes in the space group Pa with Z=4.
ChemInform Abstract: Polycyclic Fluoranthene Hydrocarbons. Part 4. Electrophilic Substitution of Polycyclic Fluoranthene Hydrocarbons.
Authors: MINABE M. , CHO B. P. , HARVEY R. G.
Published: May 2016

For (IVa) and (Va), substitution occurs in the 8‐ and 5‐positions, respectively, in good agreement with theoretical predictions (see foregoing ref.).
ChemInform Abstract: Nucleophilic Ring‐Opening Reactions of Morpholin‐2‐ones. A Resolution of dl‐(Secondary‐Alkyl)amines.
Authors: KASHIMA C. , HARADA K.
Published: May 2016

Methanolysis of morpholin‐2‐ones yields the hydroxyalkylamino acid esters (III) which are isolated in the form of the acetates (V).
ChemInform Abstract: Diels‐Alder Addition of the Fumarate and Acrylate of S‐Methyl Lactate to α‐Hydroxy Orthoquinodimethanes.
Authors: CHARLTON J. L. , PLOURDE G. L. , KOH K. , SECCO A. S.
Published: May 2016

The cycloaddition of the orthoquinodimethane (III) to the fumarate (IIa) or acrylate (IIb) is found to give a single diastereomer (IVa) or (IVb) with high asym.
ChemInform Abstract: Intramolecular Cycloadditions of Mesoionic Carbonyl Ylides with Alkynes. Synthesis of 5,6‐Dihydro‐4H‐cyclopenta‐ and 4,5,6,7‐Tetrahydrobenzo(b)furan Derivatives.
Authors: MAIER M. E. , SCHOEFFLING B. +
Published: May 2016

Intramolecular cycloadditions of the corresponding intermediate acetylenic isomuenchnones, formed in situ by Rh(O‐Ac)2‐catalyzed decomposition of the compounds (IV), give rise to the fused furans (V) by fragmentation of the intermediate cycloadducts.
ChemInform Abstract: Reactivity Patterns in the Rhodium Carbenoid‐Induced Tandem Cyclization‐Cycloaddition Reaction.
Authors: PADWA A. , HORNBUCKLE S. F. , FRYXELL G. E. , STULL P. D.
Published: May 2016

The rhodium(II) acetate‐mediated degradation of various α‐diazo ketones, e.g. (I), (IV), or (VI), is investigated, yielding intramolecular ring closure products such as (II), (III), (V), or (VIII).
ChemInform Abstract: Remarkably Facile 1,3‐Diol Fragmentation. Synthesis of a Secosesquiterpene of Tobacco.
Authors: KATO M. , TOOYAMA Y. , YOSHIKOSHI A.
Published: May 2016

When the diol (I) is oxidized with pyridinium chlorochromate, predominantly the fragmentation product (II) and the tetrahydrofuran (III) are formed, whereas only traces of the expected ketone (IV) are produced.
ChemInform Abstract: One‐Pot Synthesis of 2‐Morpholino‐4‐phenylbicyclo(3.3.1)nonanones.
Authors: RAVISHANKAR L. , TRIVEDI G. K.
Published: May 2016

The reaction of the enamine (I) with cinnamaldehyde (II) in the presence of CeCl3 under the conditions shown gives the title compounds (III) as major products (no yields given for (IIIb)‐(IIId)).
ChemInform Abstract: Use of Chloromethyloxirane in Heterocyclization Reactions with 1,3‐Dicarbonyl Compounds.
Authors: SANGWAN N. K. , DHINDSA K. S.
Published: May 2016

The reaction of chloromethyloxirane (II) with the dione (I) gives the desired heterocycle (III) in very low yield.
ChemInform Abstract: Influence of Aromatic Solvents on the Selectivity for Photochlorination of 2,3‐Dimethylbutane with Molecular Chlorine.
Authors: RANER K. D. , LUSZTYK J. , INGOLD K. U.
Published: May 2016

In the presence of arenes which are less electron‐rich than benzene the product ration (II)/(III) (standard selectivity) decreases monotonically with the increase in the arenes' ionization potentials and with the decrease in their π‐basicities due to the weaker Cl·/arene π‐complexes.
ChemInform Abstract: Heterocyclic Aromatic Non‐Kekule Molecules. Synthesis and Solution‐Phase Chemistry of the Singlet Biradicals 3,4‐Dimethylenefuran and 3,4‐Dimethylenethiophene.
Authors: STONE K. J. , GREENBERG M. M. , BLACKSTOCK S. C. , BERSON J. A.
Published: May 2016

The title biradicals (IVa) and (IVb) dimerize to give adducts such as (VII) or (VIII), but in the presence of electron‐deficient alkenes such as (IX) as trapping agents the adducts (X) and/or (XI) are obtained.
ChemInform Abstract: Transesterification in the Gas Phase: Transfer of a Solvent Molecule from Reactant to Product Ions.
Authors: BAER S. , STOUTLAND P. O. , BRAUMAN J. I.
Published: May 2016

The asymmetry present in the initial dimer such as (I) is not reflected in the products (III) and (IV) which are formed in close to equal amounts.
ChemInform Abstract: Intramolecular Ene Approach to Stereocontrolled Synthesis of Cyclopentanoids.
Authors: TAKAHASHI K. , SATO H. , MIKAMI K. , NAKAI T.
Published: May 2016

The lithium acetylide (I) is coupled with benzyloxyacetaldehyde (II) and then directly reduced to form the hydroxy olefin (III) which is converted to the ester (Va) by Claisen rearrangement with the ortho acetate (IV).
ChemInform Abstract: α,β‐Epoxy Sulfoxides as Useful Intermediates in Organic Synthesis. Part 20. The Reaction of α,β‐Epoxy Sulfoxides with Lithium Dimethylcuprate Giving Enolates: A Novel Synthesis of Aldols.
Authors: SATOH T. , SUGIMOTO A. , ITOH M. , YAMAKAWA K.
Published: May 2016

The phenylsulfinyloxiranes (III), generated from the α‐chloro sulfoxides (I) and the aldehydes (II), are consecutively treated with lithium dimethylcuprate, zinc chloride, and the carbonyl compounds (IV) to form the β‐hydroxy ketones (V) with predominance of the threo‐diastereomers.
ChemInform Abstract: Some Further 2‐(4‐Substituted 1‐Piperazinyl)acetamides Derived from 6,11‐Dihydrodibenzo(b,e)thiepin. Transformations of 6,11‐Dihydrodibenzo(b,e)thiepin Derivatives into Anthraquinones, Anthrones and Anthracenes
Authors: HULINSKA H. , RYSKA M. , KORUNA I. , HOLUBEK J. , TAIMR J. , SVATEK E. , PROTIVA M.
Published: May 2016

The sec. amines (I) are transformed to piperazinyl acetamides such as (IV) by the procedure shown in the scheme.
ChemInform Abstract: Synthesis of Isomeric cis‐Dihydrodiols and Phenols of Highly Mutagenic Dibenz(a,c)anthracene.
Authors: KOLE P. L. , DUBEY S. K. , KUMAR S.
Published: May 2016

3,4‐Dihydrodibenz(a,c)anthracene (I) is cis‐dihydroxylated with osmium tetroxide to give the diol (II).
ChemInform Abstract: Chiral Induction in Photochemical Reactions. Part 11. Substituted (+)‐Menthyl Glyoxylates in the Paterno‐Buechi Reaction. The Influence of Electronical and Structural Effects on Diastereoselectivity.
Authors: PELZER R. , SCHARF H.‐D. , BUSCHMANN H. , RUNSINK J.
Published: May 2016

The electronic effect of the α‐substituent of the (+)‐menthyl glyoxylates (II) exerts considerable influence on the diastereoselectivity of the Paterno‐Buechi reaction with furan (I).
ChemInform Abstract: Highly Regio‐ and Diastereoselective Friedel‐Crafts Alkylation of Phenols with α‐Amino Aldehydes. Synthesis of Optically Active Ephedrine‐Like Compounds.
Authors: BIGI F. , CASNATI G. , SARTORI G. , ARALDI G. , BOCELLI G.
Published: May 2016

The phenoxymagnesium bromides (I) are coupled with L‐prolinal L‐(II) to yield exclusively the syn‐adducts (III), whereas the analogous titanium phenolates (IV) form the corresponding anti‐adducts (V).
ChemInform Abstract: Incorporation of Molecular Nitrogen into Organic Compounds. Part 2. Novel Lactam Synthesis by Use of a Combination System of Carbonylation and Nitrogenation.
Authors: UOZUMI Y. , KAWASAKI N. , MORI E. , MORI M. , SHIBASAKI M.
Published: May 2016

A titanium‐isocyanate complex (IV), prepared from TiCl4, Mg, CO2 under atmospheric pressure of nitrogen is used for the construction of an amide unit from aryl halides such as (II), (VII) or (IX) under conditions A).
ChemInform Abstract: (Benzyloxy)nitromethane: A New Reagent in Bicyclic β‐Lactam Synthesis.
Authors: BARRETT A. G. M. , CHENG M.‐C. , SPILLING C. D. , TAYLOR S. J.
Published: May 2016

One key step in the synthesis of the fused β‐lactam (XII) is the base‐mediated coupling of the aldehyde (IX), prepared as shown in the reaction scheme, with the nitromethyl derivative (III) mentioned in the title to give the hydroxy nitro diether (X).
ChemInform Abstract: Synthesis and Pharmacological Study of a 4‐Aza Analogue of Phencarol.
Authors: YAKHONTOV L. N. , KUTINA N. N. , SHISHKIN G. V. , ZHIKHAREVA G. P. , VYSOCHIN V. I. , VOROB'EVA V. YA. , KAMINKA M. E. , SHEVCHENKO I. L. , MASHKOVSKII M. D.
Published: May 2016

The α,α‐diphenyldiazabicyclooctanemethanol (IX), the 4‐aza analogue of phencarol (XI), has decreased antiallergic and antiinflammatory activity but increased toxicity.
ChemInform Abstract: Ethylenebis(sulfonyl)‐Bridged 1,1′‐Binaphthalene, an Atropisomeric Dienophile for Highly Diastereoselective Diels‐Alder Reactions.
Authors: COSSU S. , DELOGU G. , DE LUCCHI O. , FABBRI D. , LICINI G.
Published: May 2016

The title compound (I), which is chiral due to its molecular structure, adds to the diene (II) enantioselectively to give the diastereomer (III).
ChemInform Abstract: Host‐Guest Complexation. Part 49. Cavitands Containing Two Binding Cavities.
Authors: TUCKER J. A. , KNOBLER C. B. , TRUEBLOOD K. N. , CRAM D. J.
Published: May 2016

A variety of ca. 15 cavitands such as (I) containing boxlike cavities fused to bowl‐like cavities are prepared from macrocyclic tetraoligomeric condensation products of Ar‐CHO and resorcinol.
ChemInform Abstract: Isopropyldisilylamine and Disilyl‐tert.‐butylamine: Preparation, Spectroscopic Properties, and Molecular Structure in the Gas Phase, Determined by Electron Diffraction.
Authors: ANDERSON D. G. , RANKIN D. W. H.
Published: May 2016

The gas phase reactions of SiH3Cl and the appropriate primary amines yield the title compounds (I).
ChemInform Abstract: Synthesis of (SiNSiO) Four‐Membered Rings. Crystal Structure of Cyclic (Me3C)2SiOSi(CMe3)2NSiMe3.
Authors: SCHMIDT‐BAESE D. , KLINGEBIEL U.
Published: May 2016

Reaction of the lithiated aminosilanol (I) with the silyl chloride (II) yields the siloxane (III) which is coupled with the difluorosilane (IV) to give the siloxane (Va).
ChemInform Abstract: An Unusual Rearrangement of N‐Substituted Thiophosphoryl Carbonyl Mixed Imides.
Authors: DEBRUIN K. E. , BOROS E. E.
Published: May 2016

The benzamidothiophosphonates (I) undergo thermally induced rearrangement to give the N‐phosphorylthiobenzamides (II).
ChemInform Abstract: Some Transition‐Metal Complexes of 1,3,2‐Dithiarsolane.
Authors: ABEL E. W. , ALLEN S. R. , KHANDELWAL B.
Published: May 2016

The reaction of the arsolane (I) with transition‐metal carbonyl anions yields the metal‐arsenic σ‐bonded complexes (III) as demonstrated for (IIIa).
ChemInform Abstract: Reactivity of Cationic Molybdenum(II) Complexes. Part 4. Isolation and Crystal Structure Determination of cis‐(Mo(CO)2(η‐C5Me5)(PPh3)(N3)) and cis‐(Mo(CO)2(η‐C5Me5)(PPh3)(NCO)).
Authors: LEONI P. , PASQUALI M. , BRAGA D. , SABATINO P.
Published: May 2016

The complex (I) reacts with NaN3 (II) by CO substitution and via nucleophilic attack of N3‐ on a coordinated CO to give a mixture of the cis complexes (III) and (IV), which are separated as pure products by column chromatography.
ChemInform Abstract: Mixed‐Ligand Complexes of Technetium. Part 4. Cationic, Hexacoordinated Tc(I) Complexes with Two Different Isocyanide Ligands in the Coordination Sphere, (Tc(R1NC)k(R2NC)6‐k)+ (k = 0‐6).
Authors: ABRAM U. , BEYER R. , MUENZE R. + , FINDEISEN M. , LORENZ B.
Published: May 2016

The mixed‐ligand complexes (I) and (II) are obtained by refluxing hexakis‐thiourea technetium(III) chloride in methanol with a 100‐fold excess of mixtures of two isocyanides.
ChemInform Abstract: Formation of Oxometal Complexes by the Oxidative Decarbonylation of Metal Carbonyls.
Authors: WALLIS J. M. , KOCHI J. K.
Published: May 2016

The Re complex (I) is converted by tert.‐butyl hydroperoxide into the trioxo complex (II) in a one‐step procedure.
ChemInform Abstract: Synthesis and Molecular Structure of Hexacarbonyl(tropone)diiron.
Authors: MORITA N. , KABUTO C. , ASAO T.
Published: May 2016

The new complex (IV) is isolated besides the known complex (III) from the reaction of tropone (I) with excess Fe2(CO)9 (II).
ChemInform Abstract: Kinetics of Aquation and Base Hydrolysis of Some trans‐(Co(tn)2(B)Cl)n+ (tn: 1,3‐diaminopropane; B: OH, NCS, N3, NO2, NH3, or CN) Complexes. The Effect of Ring Size on Reactivity.
Authors: HOUSE D. A. , TOBE M. L.
Published: May 2016

The rate constants for the displacement of Cl‐ from the title complexes are measured in water over a range of temp. and pH and the behavior is compared to that of the analogous 1,2‐diaminoethane complexes.
ChemInform Abstract: Reactivity of Metallic Copper with Acidic Organic Compounds in the Presence of Molecular Oxygen. Crystal Structure of ((Cu(NCO)(py)2)2)·H2O.
Authors: GARGANO M. , RAVASIO N. , ROSSI M. , TIRIPICCHIO A. , TIRIPICCHIO‐CAMELLINI M.
Published: May 2016

In the reactions described, that one with MeNO2 (VII) is of particular interest, as it gives nitrite or cyanide and isocyanate compounds, depending on the reaction conditions.
ChemInform Abstract: New Carbide Clusters in the Cobalt Subgroup. Part 17. Preparation and Structural Characterization of the Mixed‐Metal Octahedral Dianion (Co2Rh4C(CO)13)2‐ as Its (PPh4)+ Salt.
Authors: ALBANO V. G. , BRAGA D. , GREPIONI F. , DELLA PERGOLA R. , GARLASCHELLI L. , FUMAGALLI A.
Published: May 2016

The title complex (III) crystallizes in P1 with Z=2.
ChemInform Abstract: Molecular Rearrangement of Parthenin by Formic Acid.
Authors: BHAT U. G. , NAGASAMPAGI B. A.
Published: May 2016

The attempted transformation of parthenin (I) into damsin in refluxing formic acid results in formation of anhydroparthenin (II) as the major product.
ChemInform Abstract: Oxidative Substitution Reaction of Olefinic Tin Compounds with Lead Tetraacetate.
Authors: YAMAMOTO M. , IRIE S. , MIYASHITA M. , KOHMOTO S. , YAMADA K.
Published: May 2016

The stannylmethyl ethers (I) are oxidatively demetalated with lead tetraacetate (II) to form the acetoxymethyl ethers (III).
ChemInform Abstract: Stereo‐ and Regiospecific 6‐endo‐trig‐Cyclization of Aryl Radicals, an Entry to Novel Progesterone‐Antagonists of the Androstane Series.
Authors: OTTOW E. , NEEF G. , WIECHERT R.
Published: May 2016

Seven derivatives of type (III) are subjected to the title reaction to give the major products (IV).
ChemInform Abstract: A Series of Novel Acyclic Nucleosides. Part 1. Synthesis of 5‐Amino‐3‐((2‐hydroxyethoxy)methyl)‐3H‐imidazo(4,5‐d)(1,3)oxazin‐7‐one.
Authors: MATSUMOTO H. , KANEKO C. , MORI T. , MIZUNO Y.
Published: May 2016

Condensation of the aminoethoxycarbonylimidazole (I)/(II) with 2‐oxa‐1,4‐butanediol diacetate (III) produces a mixture of the isomeric imidazole derivatives (IV) and (V) which is separated by silica gel chromatography.
ChemInform Abstract: Computer Graphics/Molecular Mechanics Studies of β‐Lactam Antibiotics. Geometry Comparison with X‐Ray Crystal Structures.
Authors: CHUNG S. K. , CHODOSH D. F.
Published: May 2016

Geometries of antibiotics of type (I)‐(IV) are calculated by computer graphics/molecular mechanics energy minimization procedures.
ChemInform Abstract: Stereoselective Total Synthesis of (‐)‐Picrotoxinin and (‐)‐Picrotin.
Authors: MIYASHITA M. , SUZUKI T. , YOSHIKOSHI A.
Published: May 2016

The key intermediate (VIII), which possesses the complete carbocyclic skeleton of picrotoxinin (XIII), is obtained in 27% overall yield from (+)‐5β‐hydroxycarvone (I).
ChemInform Abstract: The Crystal Structures of the Low‐Temperature Modifications of Deuterium Iodide ‐ a Neutron Study.
Authors: COCKCROFT J. K. , SIMON A. , BORRMANN H. , OBERMEYER A.
Published: May 2016

Solid DI, obtained by reacting D2O, red P, and I2, is investigated by neutron powder diffraction.
ChemInform Abstract: Cuboctahedral Anion Clusters in Fluorite‐Related Superstructures: The Structure of Ca2YbF7. Part 1.
Authors: NESS S. E. , BEVAN D. J. M. , ROSSELL H. J.
Published: May 2016

A polyhedral model, based on M6F37 square‐antiprismatic clusters, is proposed to represent the structure of Ca2YbF7(Ca10Yb5F35) being the member n = 15 of the homologous series MnF2n+5.
ChemInform Abstract: Structural Properties of Ag7GeSe5I.
Authors: CROS B. , ZEROUALE A. , PINTARD M. , PHILIPPOT E. , RIBES M.
Published: May 2016

A structural study of the argyrodyte‐type title phase (F43m) at 20 °C and ‐100 °C links the difference of the electrical behavior between this selenide and the homologous sulfide phase with a difference in the process of disordering of the Ag sublattice with increasing temperature.
ChemInform Abstract: Crystal Structure of A(VO2)(HPO4) (A: NH+ 4, K+, Rb+) Solved from X‐Ray Powder Diffraction.
Authors: AMOROS P. , BELTRAN‐PORTER D. , LE BAIL A. , FEREY G. , VILLENEUVE G.
Published: May 2016

The isostructural title salts, prepared from solutions of A2CO3 and V2O5 in 0.1 M phosphoric acid, crystallize in the orthorhombic system, space group Pbca, Z = 8. The structure is built up from square pyramidal VO5 units which share two corners in trans position to give tilted infinite chains running along the a axis.
ChemInform Abstract: Electrodeposition of Nickel‐Iron Alloys. Part 1. Effect of Agitation.
Authors: ANDRICACOS P. C. , ARANA C. , TABIB J. , DUKOVIC J. , ROMANKIW L. T.
Published: May 2016

The NiFe electrodeposition is studied using an RRDE in a deposition bath containing NaCl, H3BO3, 0.2 M Ni2+ and 0.005 M Fe2+ at pH 3. Agitation is found to have a strong effect on both alloy composition and current efficiency over a wide range of plating current density and rotation speed.
ChemInform Abstract: Lamellar Inorganic Ion Exchangers. Hydrogen‐Lithium Ion Exchange in γ‐Titanium Phosphate.
Authors: GONZALEZ E. , LLAVONA R. , GARCIA J. R. , RODRIGUEZ J.
Published: May 2016

From exchange isotherms and titration and hydrolysis curves at 25, 40, and 55 °C using LiCl/LiOH solutions as well as from XRD patterns of the exchanged solids at 20, 80, or 220 °C the exchanged phases are identified to be TiH1.5Li0.5(PO4)2·2 H2O (I) (interlayer distance 11.0 Å), TiHLi(PO4)2·2 H2O (II) (11.3 Å), and TiHLi(PO4)2 (III) (9.6 Å).
ChemInform Abstract: Use of Tris(trimethylsilyl)arsine to Prepare Gallium Arsenide and Indium Arsenide.
Authors: WELLS R. L. , PITT C. G. , MCPHAIL A. T. , PURDY A. P. , SHAFIEEZAD S. , HALLOCK R. B.
Published: May 2016

Heating of tris(trimethylsilyl)arsine (I) with gallium trichloride (II) or tribromide results in the formation of gallium arsenide (III) and chlorotrimethylsilane (IV).
ChemInform Abstract: Stereochemistry of Planar Chiral Compounds. Part 12. Absolute Chiralities and X‐Ray Crystal Structures of 2,2′‐Bi(1,6‐methano(10)annulenyl)s.
Authors: MEYER A. , SCHLOEGL K. + , KELLER W. , KRATKY C.
Published: May 2016

The rac. dibromide (±)‐(Ib) has space group Pbcn with Z=4.
ChemInform Abstract: New Water‐Soluble Calixarenes (II) Bearing Sulfonate Groups on the “Lower Rim”: The Relation Between Calixarene Shape and Binding Ability.
Authors: SHINKAI S. , KAWABATA H. , ARIMURA T. , MATSUDA T. , SATOH H. , MANABE O.
Published: May 2016

Association constants are determined for pyrene as a guest molecule for the 9 calixarenes (I) and (II), bearing sulfonate groups on the "upper rim", (: cf.
ChemInform Abstract: Regioselective Titanium‐Mediated Ring Openings of 2,3‐Epoxy Alcohols with Dialkylamine Hydrohalides.
Authors: GAO L. , MURAI A.
Published: May 2016

The oxiranes (I) are cleaved with the ammonium halides (II) or (VII) in the presence of tetrakis(isopropoxy)titanium to form the halodiols (III) ‐ (VI) or (VIII) ‐ (XI).
ChemInform Abstract: Cleavage of Perfluorinated Tertiary Amines with Antimony(V) Fluoride.
Authors: PETROV V. A. , KUNANETS V. K. , KVASOV B. A. , GALAKHOV M. V. , MAKAROV K. N. , GERMAN L. S.
Published: May 2016

Cleavage reactions of perfluorinated tertiary amines in the presence of antimony pentafluoride are studied in detail.
ChemInform Abstract: Synthetic Applications of Radical Ring‐Opening: Use of Cyclopropylmethyl Radicals.
Authors: CLIVE D. L. J. , DAIGNEAULT S.
Published: May 2016

The fused cyclopropanecarboxylates (VI) and (XII), prepared from the cyclohexenone (I) or the epoxide (VIII), undergo radical‐induced reductive ring cleavage and elimination reaction to yield the esters (VII) or (XIII).
ChemInform Abstract: Reactions of Unsaturated Azides. Part 8. Azidobutatriene and Azidobutenynes.
Authors: BANERT K.
Published: May 2016

The azidobutatriene (IV) most likely acts as a short‐lived intermediate in the transformation of the azide (III) to the triazole (V).
ChemInform Abstract: The “tert.‐Amino Effect” in Heterocyclic Chemistry: Synthesis of Tetra‐ and Pentacyclic Compounds.
Authors: NIJHUIS W. H. N. , LEUS G. R. B. , EGBERINK R. J. M. , VERBOOM W. , REINHOUDT D. N.
Published: May 2016

In a convenient and efficient route, tetracyclic compounds such as (IV) are prepared by thermal cyclization of 2‐vinyl‐N,N‐disubstituted anilines such as (III).
ChemInform Abstract: Oxidation of Tertiary Amines by Chromium(VI) Oxide Diperoxide.
Authors: CIMINALE F. , CAMPOREALE M. , MELLO R. , TROISI L. , CURCI R.
Published: May 2016

According to a 2:1 stoichiometry Et3N and (I) are oxidized by CrOPA and its Mo‐analogue to give the amine oxides such as (II).
ChemInform Abstract: Acetylation of Phenanthrene and 9‐Chlorophenanthrene.
Authors: FERNANDEZ F. , GOMEZ G. , LOPEZ C. , SANTOS A.
Published: May 2016

Friedel‐Crafts acetylation of phenanthrene (Ia) according to Bouveault (addition of AcCl (II) to (Ia)/AlCl3) yields (IIIa) (yield ca. 17%), (IVa) (ca.
ChemInform Abstract: Ring Transformation of 1,2,6‐Thiadiazine 1,1‐Dioxides into Pyrazoles. A Convenient Synthesis of N‐Alkylsulfamides.
Authors: ELGUERO J. , GOYA P. , MARTINEZ A.
Published: May 2016

The thiadiazine dioxides (I) are cleaved upon treatment with hydrazine (II), producing the sulfamides (III) and the pyrazoles (IV).
ChemInform Abstract: Asymmetric Syntheses of Chiral Propane‐1,3‐diols Starting from Malonic Acid.
Authors: IHARA M. , TAKAHASHI M. , TANIGUCHI N. , YASUI K. , FUKUMOTO K. , KAMETANI T.
Published: May 2016

The half‐esters (III) are prepared as epimeric mixtures from the corresponding malonic acids (I) and (‐)‐menthol components (II).
ChemInform Abstract: A New Route to (+)‐2,3‐(Isopropylidenedioxy)‐4‐cyclopentenone via the Optically Active Dicyclopentadiene Intermediate.
Authors: TAKANO S. , INOMATA K. , OGASAWARA K.
Published: May 2016

The crucial step in the synthesis of the key intermediate (VII) is the base‐induced dehydrative rearrangement of the methylene lactol (VI).
ChemInform Abstract: Preparation of α,α‐Dialkyl‐β‐halo Ketones.
Authors: SULMON P. , DE KIMPE N. , SCHAMP N.
Published: May 2016

The ketones (I) are hydroxymethylated with paraformaldehyde (II) to give the β‐hydroxy ketones (III) which are transformd into the tosylates (V).
ChemInform Abstract: Reactions with NH‐Functional Sulfur Nitrogen Compounds.
Authors: HAENSSGEN D. + , PATERMANN C. , PLUM R.
Published: May 2016

Derivatives of N‐functional sulfinimide amides are available by substitution (e.g.
ChemInform Abstract: Asymmetric Reductive Amination of Cycloalkanones. Part 7. Asymmetric Synthesis of cis‐(1R,2R)‐ and cis‐(1S,2S)‐2‐Arylcyclohexanamines.
Authors: NACHTSHEIM C. M. , FRAHM A. W.
Published: May 2016

Condensation of the racemic 2‐arylcyclohexanones (I) with (R)‐(+)‐ or (S)‐(‐)‐1‐phenylethylamine (II) as chiral auxiliary produces a mixture of the imine isomers (III) which are hydrogenated in the presence of Raney‐Ni to form the secondary amine hydrochlorides (IV).
ChemInform Abstract: Pd‐Catalyzed Reaction of Allylic Acetates with Carbonyl Compounds via Electrochemical Reduction.
Authors: QIU W. , WANG Z.
Published: May 2016

The allylic acetates (I), (IV), (VII), and (VIII) undergo electroreductive coupling reaction with the carbonyl compounds (II) to produce the homoallylic alcohols (III), (V), (VI), (IX), and (X).
ChemInform Abstract: The Chemistry of Phthalide‐3‐carboxylic Acid. Part 6. The Stereochemistry of Some 3‐Amino(aryl)methylphthalides and the Derived 3‐Aryl‐4‐hydroxy‐3,4‐dihydroisoquinolin‐1(2H)‐ones.
Authors: COLLINS P. R. , JANOWSKI W. K. , PRAGER R. H.
Published: May 2016

The erythro isobenzofuranone derivative (I) is converted via the tosylate and the configurationally inverted azide (IV) to the amine (V) and its methylation product (VIII).
ChemInform Abstract: Novel Electron Acceptors Bearing a Heteroquinonoid System. Part 2. Synthesis and Conductive Complexes of 2,5‐Bis(dicyanomethylene)‐2,5‐dihydrothieno(3,2‐b)thiophene, 2,6‐Bis(dicyanomethylene)‐2,6‐dihydrodithieno(3,2‐b:2′,3′‐d)thiophene, and Their Derivatives.
Authors: YUI K. , ISHIDA H. , ASO Y. , OTSUBO T. , OGURA F. , KAWAMOTO A. , TANAKA J.
Published: May 2016

Novel heteroquinonoid compounds such as (III), (VI) and some of their brominated or oxo derivatives are prepared.
ChemInform Abstract: Synthesis of 1,3‐Dihydrospiro(2H‐indole‐2,2′‐pyrrolidine) Derivatives.
Authors: SHACHKUS A. A. , DEGUTIS YU. A. , MIKUL'SKIS P. P.
Published: May 2016

The methyleneindoline (I) reacts with iodoacetamide (II) to give the spiropyrrolidones (III).
ChemInform Abstract: Reactivity of 2H‐Pyrroles Toward Acetylene Carboxylic Esters and Phenyl Isocyanate: Selective Nucleophilic Addition Reactions.
Authors: MISON P. , EDDAIF A. , BOUKHARI A.
Published: May 2016

The reaction between 2H‐pyrroles such as (I) with the acetylene (II) leads to the products (III)‐(VII) resulting from nucleophilic attack of the nitrogen to the acetylenic carbon, and not from Diels‐Alder reaction.
ChemInform Abstract: Mononitration of Benzisatin Derivatives.
Authors: MAZHILIS L. I. , TERENT'EV P. B. , BOLOTIN V. A.
Published: May 2016

The benz(e)isatin (I) is treated with nitric acid (II) in sulfuric acid/acetic acid to give the 7‐nitro derivative (III).
ChemInform Abstract: Preparation of New 5‐Cyano and 5‐Carbamoylimidazoles from 5‐Nitroimidazoles by Photocyanation.
Authors: CROZET M. P. , VANELLE P. , JENTZER O. , MALDONADO J.
Published: May 2016

Irradiation of the nitroimidazoles (I) in the presence of potassium cyanide (II) and acetone as the photosensitizer gives the cyanoimidazoles (III).
ChemInform Abstract: Enantiospecific Synthesis of (+)‐(2R)‐ and (‐)‐(2S)‐6‐Ethyl‐3,4‐dihydro‐2‐methyl‐4‐oxo‐2H‐pyran‐5‐carboxylic Acid.
Authors: DESCHENAUX P.‐F. , KALLIMOPOULOS T. , STOECKLI‐EVANS H. , JACOT‐GUILLARMOD A.
Published: May 2016

The enantiomer of the title acid (VII) is prepared starting from the ester (R)‐(I).
ChemInform Abstract: Polyazanaphthalenes. Part 1. The Reaction of Ethyl 6‐Amino‐5‐cyano‐4‐aryl‐2‐methyl‐4H‐pyran‐3‐carboxylate with Nucleophilic Reagents.
Authors: HARB A.‐F. A. , HESIEN A.‐H. M. , METWALLY S. A. , ELNAGDI M. H.
Published: May 2016

With a view to synthesizing polyazanaphthalenes, which are biologically interesting compounds, the reaction of the pyrans (III) with a series of nucelophilic reagents is investigated.
ChemInform Abstract: Addition of Indoles to N‐Alkylpyridinium Salts. Synthesis of (Dihydropyridyl)indoles.
Authors: ALVAREZ M. , LAVILLA R. , BOSCH J.
Published: May 2016

The sodium salts of the indoles (I) are coupled with the pyridinium compounds (II) to give the 3‐dihydropyridylindoles (III) and (IVd).
ChemInform Abstract: Synthesis of 3‐(2‐Oxopropyl)‐oxazolo(4,5‐b)pyridin‐2‐one and Its Interaction with Hydroxylamine Hydrochloride and Primary Amines.
Authors: KALCHEVA V. , PESHAKOVA L.
Published: May 2016

The known oxazolone (II) is prepared by an easy and simple method and transformed to the title compound (IV).
ChemInform Abstract: Pteridines. Part 41. Synthesis and Properties of 6,7,8‐Trimethyl‐4‐thiolumazine.
Authors: HUEBSCH W. + , PFLEIDERER W.
Published: May 2016

The physical properties of the title compound (VIII), the first representative of the 8‐substituted 4‐thiolumazine series, are compared with those of the 2‐thio analogue and 6,7,8‐trimethyllumazine.
ChemInform Abstract: Synthesis of 1‐Cyano‐2‐phenyl‐1,2,4,5‐tetrahydro‐3H‐3‐benzazepines.
Authors: ORITO K. , SUGINOME H. , RODRIGO R.
Published: May 2016

Trifluoroacetylation of the amines (I) followed by chloromethylation and substitution with sodium cyanide yields the cyanomethyl carboxamides (VII) which react with the aromatic aldehydes (VIII) to give the tetrahydrobenzazepines (IX).
ChemInform Abstract: Potential Neurotropic and Antiinflammatory Agents: 2‐Chloro‐10,11‐dihydrodibenzo(b,f)thiepin‐10‐yl Sulfides.
Authors: VALENTA V. , VLKOVA M. , PROTIVA M.
Published: May 2016

The readily available dibenzothiepinthiol derivative (I) is the starting compound for a large variety of derivatives such as (IVa)‐(IVc) and (VI).
ChemInform Abstract: The Reaction Between N‐Methyl‐p‐toluohydroxamic Acid and Tervalent Phosphorus Compounds: A Thermal PIII → PV Rearrangement Proceeding by a Radical Mechanism.
Authors: BANKS M. R. , HUDSON R. F.
Published: May 2016

The hydroxamic acid (I) reacts with various chlorides of phosphorus(III) in the presence of Py at ‐60 °C to give the P(III) intermediates (III).
ChemInform Abstract: Diastereofacial Selectivity in the Reaction of (C‐1)‐Metalated Alkyldiphenylphosphine Imides with Schiff Bases.
Authors: BARLUENGA J. , LOPEZ F. , PALACIOS F.
Published: May 2016

Addition of metalated alkyldiphenylphosphine imides to the aldimines (II) leads selectively to the formation of the erythro‐adducts (III), which are converted to the phosphine oxides (V) by treatment with carbon dioxide (IV).
ChemInform Abstract: Evidence for the Existence of the (MgCl(THF)5)+ Cation. Crystal Structures of (MgCl(THF)5) (FeCl4)·THF and (MgCl(THF)5) (AlCl4)·THF.
Authors: SOBOTA P. , PLUZINSKI T. , UTKO J. , LIS T.
Published: May 2016

The new paramagnetic complex (IVa) is light‐sensitive and is precipitated in the dark, (IVb) is air‐sensitive.
ChemInform Abstract: Synthesis and Characterization of ((Trimethylsilyl)amido)gallium Dibromide.
Authors: NUTT W. R. , BLANTON J. S. , KROH F. O. , ODOM J. D.
Published: May 2016

The title complex (III) is present as one isomer in the solid state.
ChemInform Abstract: Formation of a Conjugated Oxametallacyclohexadiene by Dyotropic Rearrangement of Bis(2‐furyl)zirconocene.
Authors: ERKER G. , PETRENZ R.
Published: May 2016

Bis(η‐cyclopentadienyl)zirconium dichloride (I) is coupled with 2‐furyllithium (II) to give the bis(furyl)zirconocene (III) which undergoes thermal rearrangement, producing the oxazirconacyclohexadiene (IV).
ChemInform Abstract: Chemistry of Polynuclear Metal Complexes with Bridging Carbene or Carbyne Ligands. Part 86. Alkylidyne(carbaborane)molybdenum‐Gold, ‐Rhodium and ‐Iron Complexes; Crystal Structure of (NEt4) (MoFe2(μ3‐CC6H4Me‐4)(.mu±sigma.:σ′:η5‐C2B9H7Me2)(CO)8).
Authors: DEVORE D. D. , EMMERICH C. , HOWARD J. A. K. , STONE F. G. A.
Published: May 2016

The alkylidyne Mo complex (III) is used to prepare compounds with bonds between Mo and Au, Rh and Fe.
ChemInform Abstract: Preparation of (Chloromethyl)palladium(II) Derivatives from Complexes of Palladium Dichloride by Reaction with Diazomethane or Bis(chloromethyl)mercury.
Authors: MCCRINDLE R. , ARSENAULT G. J. , FARWAHA R. , MCALEES A. J. , SNEDDON D. W.
Published: May 2016

Treatment, with diazomethane, of a range of palladium dichloride and dibromide complexes containing chelating ligands are examined.
ChemInform Abstract: Steroids. Part 341. Antiandrogenic A‐Homo‐B,19‐dinor Analogues of Androgens from 6β‐Chloro‐5‐methyl‐19‐nor‐5β‐androst‐9‐enes.
Authors: KASAL A.
Published: May 2016

Treatment of the Westfalen rearrangement product (III) with LiAlH4 gives a mixture of the products (IV)‐(VI).
ChemInform Abstract: Benzotriazole‐Assisted Synthesis of Monoacyl‐α‐aminoglycines.
Authors: KATRITZKY A. R. , UROGDI L. , MAYENCE A.
Published: May 2016

The carboxamides (I) undergo condensation reaction with benzotriazole (III) and ethyl glyoxylate (II) or glyoxylic acid (VIII) to give the benzotriazoles (IV) or (IX).
ChemInform Abstract: Preparation of Carbobenzoxy‐L‐tyrosine Methyl and Ethyl Esters and of the Corresponding Carbobenzoxy Hydrazides.
Authors: DYMICKY M.
Published: May 2016

The tryosine esters (I) are treated with the chloroformate (II), yielding the monocondensation product (III), or in the presence of triethylamine the bisacylation products (IV).
ChemInform Abstract: The Substrate Specificity of Amyloglucosidase (AMG). Part 4. Hydroxycyclohexyl Glucosides.
Authors: BOCK K. , REFN S.
Published: May 2016

The glucosides (III), (IV), (VI), (VII) as well as the galactopyranosyl glucopyranoside (X) are prepared by conventional condensation methods, and characterized by NMR spectroscopy.
ChemInform Abstract: Phosphonylation of Biomolecules with Inorganic Diphosphonate. Part 3. Formation of an H‐phosphonate Analogue of Adenosine 5′‐Triphosphate by Phosphonylation of Adenosine 5′‐Diphosphate.
Authors: BABA Y. , SUMIYAMA T. , TSUHAKO M. , YOZA N.
Published: May 2016

A maximum yield of product (III) is obtained under the conditions shown in the scheme.
ChemInform Abstract: Enzymes in Organic Synthesis. Part 2. Prostaglandins and Prostaglandin Intermediates. Part 23. Synthesis of Enantiomerically Pure Prostaglandin Intermediates by Enzymatic Hydrolysis of (1SR,5RS,6RS,7RS)‐7‐Acetoxy‐6‐acetoxymethyl‐2‐oxabicyclo(3.3.0)octan‐3‐one.
Authors: THEIL F. , SCHICK H. , NEDKOV P. , BOEHME M. + , HAEFNER B. + , SCHWARZ S.
Published: May 2016

Enzymatic hydrolysis of the title compound (I) leads to a mixture of enantiomeric diols, monoacetates and diacetates which are separated chromatographically.
ChemInform Abstract: Structure of Hard Body Fluids. A Critical Compilation of Selected Computer Simulation Data
Authors: NEZBEDA I. , LABIK S. , MALIJEVSKY A.
Published: May 2016

Review: (a review including basic definitions and relationships, the fluid of hard spheres, convex body fluids, and fluids made up of fused‐hard‐sphere particles; 60 refs.
ChemInform Abstract: The Luminescence of Several Activators in SrLa2BeO5, a Partially Disordered Compound.
Authors: BLASSE G. , DIRKSEN G. J.
Published: May 2016

The luminescence of the title compound activated by Eu3+, Tb3+, Sm3+, Ce3+, Pb2+, or Bi3+ is studied and compared with that of the isomorphous SrGd2BeO5.
ChemInform Abstract: Monocrystalline CdTe Thin Films by Electrochemical Deposition from Aprotic Electrolytes.
Authors: RASTOGI A. C. , BALAKRISHNAN K. S.
Published: May 2016

It is demonstrated that microcrack‐free, coherent CdTe films can be electrochemically deposited from DMSO solutions containing CdCl2 and Te.
ChemInform Abstract: High Temperature Superconductor Thick Films on Alumina Substrates.
Authors: WU C. , TZENG Y. , HUNT R. P. , BELSER M. A. , ROPPEL T. A.
Published: May 2016

The deposition and annealing conditions for the fabrication of films of the high‐Tc superconductor YBa2Cu3O7‐x on alumina are optimized in order to prepare adherent films with higher critical current density and lower room temp. resistivity.
ChemInform Abstract: A Knudsen Cell‐Mass Spectrometer Study of the Vaporization of Cesium Telluride and Cesium Tellurite.
Authors: PORTMAN R. , QUINN M. J. , SAGERT N. H. , SALUJA P. P. S. , WREN D. J.
Published: May 2016

Using a Knudson‐cell method with a quadrupole MS as a detector partial as well as absolute vapor pressures of Cs2Te and Cs2TeO3 are determined over the range 600 to 1000 °C. Standard enthalpies are measured and the data are used to calculate Gibbs energies of vaporization.
ChemInform Abstract: Performance and Thermal Behavior of Sodium‐Sulfur Cell Under High Current Density Operations
Authors: KAWAMOTO H. , KUSAKABE Y.
Published: May 2016

is studied by electrochemical measurements as well as by a numerical simulation of the cell performance on the basis of a simple thermal model.
ChemInform Abstract: Electrocatalysis of Anodic Oxygen Transfer Reactions. Comparison of Structural Data with Electrocatalytic Phenomena for Bismuth‐Doped Lead Dioxide.
Authors: YEO I.‐H. , KIM S. , JACOBSON R. , JOHNSON D. C.
Published: May 2016

O2 evolution potentials (ηox) and rate constants (k) are measured for the anodic oxidation of Mn(II) and 2‐thiophene carboxylic acid at Bi‐doped PbO2 in 1.0M HClO4 and XRD and TEM results are reported for the PbO2 electrodes doped with varying amounts of Bi.
ChemInform Abstract: Electrochemistry of Iron(III) and Titanium(IV) in the Basic AlBr3‐1‐Methyl‐3‐ethylimidazolium Bromide (ImBr) Ionic Liquid.
Authors: SUN I‐W. , SANDERS J. R. , HUSSEY C. L.
Published: May 2016

UV/VIS absorption spectra indicate that Fe(III) and Ti(IV) are complexed as (FeBr4)‐ and (TiBr6)2‐, resp., in the AlBr3:ImBr melt.
ChemInform Abstract: Oxidation Studies of Crystalline CVD Silicon Nitride
Authors: DU H. , TRESSLER R. E. , SPEAR K. E. , PANTANO C. G.
Published: May 2016

and of single crystal Si are performed in dry O2, O2/Ar, and O2/N2/Ar gas mixtures at 1100‐1400 °C. α‐Si3N4 and Si are both oxidized according to a parabolic rate law with activation energies of about 115 kcal/mol and 30 kcal/mol, respectively.
ChemInform Abstract: Facile Oxygen Exchange by Cobalt Cluster Oxide Ions with Water‐18O in the Gas Phase.
Authors: KLAASSEN J. J. , JACOBSON D. B.
Published: May 2016

CoxO+ y ions are synthesized by reaction of cobalt cluster carbonyl nitrosyl ions (generated from Co(CO)3NO by electron impact) with O2 followed by collisional activation.
ChemInform Abstract: The Langbeinite (NH4)2Cd2(SO4)3 Obtained via Solution from (NH4)2SO4/CdSO4 1:2 M Mixtures. Part 1. Synthesis and Characterization.
Authors: GARCIA‐CLAVEL M. E. , SERVERT‐BUXADOS M. P.
Published: May 2016

The comparatively low purity of the title compound obtained by evaporation of saturated solutions of the corresponding sulfates improves upon heating at temp. below 300 °C, as does crystallization.
ChemInform Abstract: Synthesis, Structural Characterization, and Properties of the (Mo2O2S9)2‐ Thio Anion and the (Mo4O4S18)2‐, (Mo2O2S8(SCH3))‐, and (Mo2O2S8Cl)‐ Derivatives.
Authors: HADJIKYRIACOU A. I. , COUCOUVANIS D.
Published: May 2016

The compound (V) contains a mixture of (Mo2O2S10)2‐ and (Mo2O2S9)2‐ anions.
ChemInform Abstract: Structure and Absorption Spectra of Symmetrical Carbocyanines of the Benzo(c,d)indole Series in Low Polar Solvents.
Authors: ISHCHENKO A. A. , VASILENKO N. P. , MAIDANNIK A. G. , BALINA L. V.
Published: May 2016

The title compounds (I) are prepared by standard procedures and the syntheses are described in detail.
ChemInform Abstract: Metal Ion Recognition in Ligands with Negatively Charged Oxygen Donor Groups. Complexation of Fe(III), Ga(III), In(III), Al(III), and Other Highly Charged Metal Ions.
Authors: EVERS A. , HANCOCK R. D. , MARTELL A. E. , MOTEKAITIS R. J.
Published: May 2016

The existence of good linear relationships between the complex formation constants of ligands containing negative oxygen donor groups only and log K1(OH‐) values for the metal ions is demonstrated for a wide variety of ligands containing phenolate, carboxylate and hydroxamate donor groups.
ChemInform Abstract: Electrochemical Chlorination of Oligoolefins in the Monoterpene Series.
Authors: LYALIN B. V. , LOZANOVA A. V. , PETROSYAN V. L. , MOISEENKOV A. M.
Published: May 2016

Electrochemical chlorination of the terpenes (I) or (III) gives the chloro derivatives (II) or (IV) and (V).
ChemInform Abstract: Electrochemical Selective Trimerization of Malonic Acid Esters to Propane‐1,1,2,2,3,3‐hexacarboxylic Acid Esters in the Presence of Bromides.
Authors: ELINSON M. N. , FEDUKOVICH S. K. , NIKISHIN G. I.
Published: May 2016

The conditions of the electrochemical oxidation of the malonates (I) in the presence of bromides, forming the propanehexacarboxylates (II), are optimized.
ChemInform Abstract: α‐Lithioamine Synthetic Equivalents from Dipole‐Stabilized Carbanions: The t‐Boc Group as an Activator for α′‐Lithiation of Carbamates.
Authors: BEAK P. , LEE W.‐K.
Published: May 2016

The O‐tert‐butyl carbamates (I), (IV), and (VI) are lithiated and then quenched with electrophiles such as (II) or (VII) to form the α‐substituted products (III), (V), or (VIII).
ChemInform Abstract: Oxirane Rings: Studies and Applications of a New Chemo‐ and Regioselective Reductive Opening of Epoxides.
Authors: BONINI C. , DI FABIO R. , SOTGIU G. , CAVAGNERO S.
Published: May 2016

The chemo‐ and regioselective reductive ring‐opening of epoxides to alcohols is applied to several significant compounds.
ChemInform Abstract: Organo‐Aluminum‐Promoted Claisen Rearrangement of Bisallyl Vinyl Ethers.
Authors: MARUOKA K. , BANNO H. , NONOSHITA K. , YAMAMOTO H.
Published: May 2016

The allyl vinylallyl ethers (I), (IV), (VII), or (X) are treated with bulky diaryloxymethylaluminum agents or subjected to thermolysis to perform Claisen rearrangement, producing mixtures of regioisomeric dienals which are directly reduced to give the corresponding alcohols (II) and (III), (V) and (VI), (VIII) and (IX), or (XI) and (XII).
ChemInform Abstract: Synthetic Photochemistry. Part 50. Isolation and the X‐Ray Structure Determination of Photocyclodimers Formed by UV‐Light Irradiation of Alkyl 2,4‐Dioxopentanoates.
Authors: MORI A. , NISHIYAMA N. , KOHGUCHI Y. , SHINKA H. , TAKESHITA H.
Published: May 2016

Irradiation of the esters (I) affords the cyclodimers (IIa) (space group C2/c; Z=4) and (IIb).
ChemInform Abstract: An Organozinc Aid in Alkylation and Acylation of Lithium Enolates.
Authors: MORITA Y. , SUZUKI M. , NOYORI R.
Published: May 2016

Alkylation of the lithium enolate (I) in the presence of dimethylzinc gives the α‐substituted cyclopentanones (III).
ChemInform Abstract: Functionalized Chloroenamines in Aminocyclopropane Synthesis. Part 1. Bicyclic and Pentacyclic Lactams from Carbamoylated Chloroenamines.
Authors: ALTMEIER P. , VILSMAIER E. , WOLMERSHAEUSER G. +
Published: May 2016

The carbamoylated chloroenamines (IIIa), (IIIb), (IIId) react with succinimide (IV) to give the cis‐bicycloalkane carboxamides (V) whereas a trans‐bicyclic carboxamide (VII) (space group P1; Z=2) results from the analogous reaction of (IIIe).
ChemInform Abstract: Trithiocyclopropenium Ion as a Building Block for Nitrogen Heterocycle Synthesis.
Authors: YOSHIDA Z. , HIRAI H. , MIKI S. , YONEDA S.
Published: May 2016

A new methodology for heterocycle synthesis using the title species (I) as building block is demonstrated by preparing the compounds (III), (VI), or (VII).
ChemInform Abstract: Novel Stereoselective Synthesis of Cyclopropanes from Pyridinium Ylides.
Authors: SHESTOPALOV A. M. , SHARANIN YU. A. , LITVINOV V. P. , NEFEDOV O. M.
Published: May 2016

Treatment of the pyridinium salts (I) with NEt3 generates pyridinium ylides which react in situ with the 2‐aryl‐1,1‐dicyanoethanes (II) to give the cyclopropanes (III) in high yields.
ChemInform Abstract: Cyclodimerization of Perfluoro‐1,3‐pentadiene in the Presence of SbF5.
Authors: PETROV V. A. , GERMAN L. S. , BELEN'KII G. G.
Published: May 2016

The perfluoro‐1,3‐pentadiene (II), obtained by SbF5‐catalyzed isomerization of the perfluoro‐1,4‐pentadiene (I), undergoes cyclodimerization upon further heating in the presence of SbF5 to produce the cyclobutane (III).
ChemInform Abstract: Synthesis of 1,2‐Cycloalkanediols by Intramolecular Titanium‐Induced Pincacol Coupling.
Authors: MCMURRY J. E. , RICO J. G.
Published: May 2016

The dialdehydes (I) are reduced with TiCl3 and zinc copper couple to give the cyclic diols (II).
ChemInform Abstract: Reactions of Bromotrifluoromethane and Related Halides. Part 7. Condensations with Thiocyanates and Isocyanates in the Presence of Zinc.
Authors: TORDEUX M. , FRANCESE C. , WAKSELMAN C.
Published: May 2016

Reaction of bromotrifluoromethane (Ia) or the perfluoroalkyl iodides (Ib) and (Ic) with zinc and the thiocyanates (II) or the isocyanates (VI) gives moderate yields of the sulfides (III) or amides (VII).