bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: An Efficient and Stereoselective Synthesis of Homoallylic Alcohols via Nickel‐Catalyzed Coupling of 5‐Alkyl‐2,3‐dihydrofurans with Grignard Reagents.
Authors: WADMAN S. , WHITBY R. , YEATES C. , KOCIENSKI P. , COOPER K.
Published: May 2016

The dihydrofurans (IV) and (IX) are coupled with the Grignard reagents (V) in the presence of the nickel phosphine complexes (I), (II), or (III), yielding the homoallylic alcohols (VI) and (VII), (X) or (XI).
ChemInform Abstract: Enamines: Part 4. Synthesis of Nitro Substituted Alkyl Phenyl Ketones.
Authors: KULKARNI S. N. , BHAMARE N. K. , KAMATH H. V.
Published: May 2016

The reaction between the enamines (I) and the nitro compounds (II) leads to formation of the products (III).
ChemInform Abstract: Nucleophilic Addition of Iron Tricarbonyl Complexes of α,β‐Unsaturated Ketones.
Authors: THOMAS S. E.
Published: May 2016

The iron tricarbonyl complexes (I), prepared from diiron enneacarbonyl and α,β‐unsaturated ketones, react with the organolithium reagents (II) to give the 1,4‐diketones (III) after demetalation of the intermediate adducts in the presence of tert‐butyl bromide as the proton source.
ChemInform Abstract: 1,2‐Carbonyl Migrations in Organic Synthesis. An Approach to the Perhydroindanones.
Authors: KLIX R. C. , BACH R. D.
Published: May 2016

Treatment of the bicyclic α,β‐epoxy ketones (I) with BF3·Et2O forms the products (II) and (III) as a result of hydrogen migration or 1,2‐carbonyl migration.
ChemInform Abstract: Stereoselective Synthesis of (.+‐.)‐Methyl Nonactate.
Authors: BALDWIN S. W. , MCIVER J. M.
Published: May 2016

Starting with the furanone (I), the aldehyde (VI) is synthesized as outlined in the reaction scheme.
ChemInform Abstract: Regio‐ and Stereoselectivity in Aldol Reactions of Cyclopent‐2‐enone, 2‐(5H)Furanone and Their Derived Trimethylsilyloxydienes.
Authors: BROWN D. W. , CAMPBELL M. M. , TAYLOR A. P. , ZHANG X.
Published: May 2016

Cyclopentenone (I), the unsaturated lactone (VII) and the silyl enol ether (XI) are coupled with the aldehydes (II), yielding the isomeric alcohols (III) and (IV) or (VIII) ‐ (X).
ChemInform Abstract: Furfural, a Convenient Precursor for Intramolecular Diels‐Alder Reactions via Umpolung with Trimethylsilyl Cyanide.
Authors: FISCHER K. , HUENIG S. +
Published: May 2016

The o‐silylated cyanohydrin (I) of furfural reacts with the ω‐functionalized olefins (II) and (VII), producing the derivatives (III) and (VIII).
ChemInform Abstract: Stabase‐Protected 2‐Chloroallylamine: A Useful Synthon for Primary Allylic Amines via Nickel‐Catalyzed Cross‐Coupling.
Authors: BARGAR T. M. , MCCOWAN J. R. , MCCARTHY J. R. , WAGNER E. R.
Published: May 2016

2‐Chloroallylamine (I) reacts with the disilane (II) to produce the disilazol (III).
ChemInform Abstract: N‐Aryl‐ethenesulfenamides; Thermal Transformation of Two N‐(1‐Naphthyl)‐ethenesulfenamides into 1H‐Benz(g)indoles.
Authors: BAUDIN J.‐B. , JULIA S. A. , RUEL O.
Published: May 2016

The aminosulfenyl chlorides (III) are prepared according to known procedures.
ChemInform Abstract: Benzopyrans. Part 21. Reaction of 3‐Acyl‐4‐oxo‐4H‐(1)benzopyrans with Diazomethane: Synthesis of Heterocycles Fused with (1)Benzopyran.
Authors: GHOSH C. K. , BHATTACHARYYA A. , GHOSH‐DASTIDAR P. P.
Published: May 2016

The reaction of the benzopyrans (Ia) and (Ib) with excess diazomethane (III) yields the products (II), (IVa), (IVb) and (Va).
ChemInform Abstract: Synthesis of Bis(vinylenedithio)tetrathiafulvalene and Its Methyl Derivatives.
Authors: NOGAMI T. , INOUE K. , NAKAMURA T. , IWASAKA S. , NAKANO H. , MIKAWA H.
Published: May 2016

The zinc complex (I) is coupled with the dichloride (II), producing the cyclic trithiocarbonate (III).
ChemInform Abstract: 1,3‐Dipolar Cycloaddition Reactions of Thiazolo(5,4‐d)pyrimidine 1‐Oxides with Acetylenic Esters Involving New Ring Transformations of the Thiazole Nucleus.
Authors: KANAZAWA H. , ICHIBA M. , TAMURA Z. , SENGA K. , KAWAI K. , OTOMASU H.
Published: May 2016

The thiazolopyrimidine oxide (Ia) reacts with dimethyl acetylenedicarboxylate (IIa) to yield a mixture of the adducts (III) ‐ (VI) and the deoxygenation product (VII).
ChemInform Abstract: Synthesis of Novel Pyridotriazepinones as Antisecretory Agents.
Authors: KODATO S. , WADA H. , SAITO S. , TAKEDA M. , NISHIBATA Y. , AOE K. , DATE T. , ONODA Y. , TAMAKI H.
Published: May 2016

3‐Aminopicolinic acid (Ia) and 2‐aminonicotinic acid (VI) are transformed into the dihydropyridotriazepinones (V) and (VII) as outlined in the reaction scheme.
ChemInform Abstract: Chiral Biphenyl Bis(crown ethers): Synthesis and Resolution.
Authors: LINDSTEN G. , WENNERSTROEM O. + , ISAKSSON R.
Published: May 2016

The bis(crown ethers) (III) mentioned in the title are prepared by coupling the oligomeric ethylene glycol derivatives (II) or (IV) with the tetrahydroxybiphenyl (I).
ChemInform Abstract: N,N‐Dialkylcarbamoylmethyl Sulfoxides and ‐phosphonates.
Authors: CHAUZOV V. A. , STUDNEV YU. N. , IZNOSKOVA M. G. , FOKIN A. V.
Published: May 2016

The octylmercaptoacetic amides (III) and the thiodiglycolic diamide (VI), prepared as shown in the reaction scheme, are oxidized to give the sulfoxides (VIII) and (VII) respectively.
ChemInform Abstract: Zirconium‐Promoted Bicyclization of Enynes. Effects of Enyne Structure.
Authors: NEGISHI E. , SWANSON D. R. , CEDERBAUM F. E. , TAKAHASHI T.
Published: May 2016

The alkynylalkenes (I) cyclize with butyllithium and dicyclopentadienylzirconium dichloride (II) to form the bicyclic zirconia derivatives (III).
ChemInform Abstract: Formation of Metallocycloimides from the Reaction of Isocyanates with a Neutral Transition‐Metal Carbonyl.
Authors: JERNAKOFF P. , COOPER N. J.
Published: May 2016

The oxidative addition of methyl or phenyl isocyanate (II) to the W complex (I) leads to the metallocycloimides (III).
ChemInform Abstract: Chlorobis(2,2,2‐trichloroethoxy)‐ and Dichloro(2,2,2‐trichloroethoxy)‐iron(III): Synthesis, Characterization, and Coordination Chemistry.
Authors: CHADHA S. L. , SHARMA V.
Published: May 2016

The highly moisture‐sensitive, liquid title compounds (II) are synthesized as shown.
ChemInform Abstract: Dioxygen Affinities of Synthetic Cobalt Schiff Base Complexes.
Authors: CHEN D. , MARTELL A. E.
Published: May 2016

The cobalt(II) Schiff base complexes (I) and (II) are prepared by known and modified literature methods (for (I) no yields given).
ChemInform Abstract: Isolation and Structure of Os2Cl4((C6H5)2P(C6H4))2. An M2L8 Compound with an Unprecedented Geometry and a Short Os‐Os Bond.
Authors: COTTON F. A. , DUNBAR K. R.
Published: May 2016

Treatment of the diacetatodiosmium complex (I) with two equiv. Me3SiCl leads to the movement of the acetate ligands and the formation of the air‐stable title complex (III).
ChemInform Abstract: Multisubstitution of Os(CO)5 by Ethylene: Isomeric Os(CO)2(C2H4)3 and a Derivative of Os(CO)(C2H4)4.
Authors: KIEL G.‐Y. , TAKATS J. , GREVELS F.‐W.
Published: May 2016

(I) or (IV) are formed by photolysis of Os(CO)5 (III) and ethylene (II) dependent on the irradiation wavelength.
ChemInform Abstract: Complexes of Ir(III) Containing the Novel SF3 Ligand.
Authors: COCKMAN R. W. , EBSWORTH E. A. V. , HOLLOWAY J. H.
Published: May 2016

Colorless crystals of (IIa) (P21, Z=2) are obtained from (Ia) as a compound sensitive to moisture and the atmosphere.
ChemInform Abstract: Methyl 2‐Azido‐3‐O‐benzyl‐2‐deoxy‐α‐D‐mannofuranoside as a Divergent Intermediate for the Synthesis of Polyhydroxylated Piperidines and Pyrrolidines: Synthesis of 2,5‐Dideoxy‐2,5‐imino‐D‐mannitol (2R,5R‐Dihydroxymethyl‐3R,4R‐dihydroxypyrrolidine).
Authors: FLEET G. W. J. , SMITH P. W.
Published: May 2016

The title compound (Va) is synthesized from the carbonate (I) (readily accessible from glucose in several steps) via the intermediates shown in the scheme.
ChemInform Abstract: Stereoselectivity in Quaternization of Thebaine: 270 MHz PMR Spectroscopic Studies.
Authors: MANOHARAN T. S. , MADHYASTHA K. M.
Published: May 2016

The quaternization of thebaine (I) with the iodides (II) is studied by PMR spectroscopy under various conditions (molar ratios, solvents and temperatures).
ChemInform Abstract: Synthesis of Fluorinated Carbocyclic Nucleosides: Preparation of (.+‐.)‐Carbocyclic‐FMAU and Some Congeners.
Authors: BIGGADIKE K. , BORTHWICK A. D. , EVANS D. , EXALL A. M. , KIRK B. E. , ROBERTS S. M. , STEPHENSON L. , YOUDS P. , SLAWIN A. M. Z. , WILLIAMS D. J.
Published: May 2016

Threefold protection of the cyclic aminotriol (I) gives the key intermediate (IVa) which is converted to the fluorocarboxylic nucleosides (IX) ‐ (XII).
ChemInform Abstract: Studies in Terpenoids. Part 71. Synthesis of (.+‐.)‐Sydonic Acid (IIIa).
Authors: MURALI D. , RAO G. S. K.
Published: May 2016

Starting with the acetophenone (I) the synthesis of the racemic title compound (IIIa), isolable from Aspergillus sydowi, is carried out in a two‐step procedure.
ChemInform Abstract: Stereocontrolled Construction of Key Building Blocks for the Total Synthesis of Amphoteronolide B and Amphotericin B.
Authors: NICOLAOU K. C. , DAINES R. A. , UENISHI J. , LI W. S. , PAPAHATJIS D. P. , CHAKRABORTY T. K.
Published: May 2016

In order to achieve a total synthesis of amphotericin B, a clinically used antifungal agent from Streptomyces nodosus, and its aglycon amphoteronolide B, the required building blocks (IV), (VIII), (XIV) and (XVII) are prepared as shown in the scheme.
ChemInform Abstract: Pheromone Synthesis. Part 2. A Direct Synthesis of (.+‐.)‐Eldanolide via the Highly Regioselective Prenylation of 2‐Trimethylsiloxyfuran.
Authors: JEFFORD C. W. , SLEDESKI A. W. , BOUKOUVALAS J.
Published: May 2016

Reaction of 2‐trimethylsiloxyfuran (I) with 3,3‐dimethylallyl bromide (II) in the presence of silver trifluoroacetate produces the butenolide (III) which is methylated with (IV) to form the pheromone eldanolide (V).
ChemInform Abstract: (2 + 2) Cycloaddition of Isothiocyanates to N‐Alkyl‐N′‐arylcarbodiimides.
Authors: ULRICH H. , RICHTER R. , TUCKER B.
Published: May 2016

The carbodiimide (I) undergoes (2 + 2) cycloaddition reaction with the isothiocyanate (II) to give a separable mixture of the adducts (III) and (IV).
ChemInform Abstract: Syn‐Selective Additions of Acetylide Anions to α‐Alkoxyaldehydes.
Authors: MEAD K. T.
Published: May 2016

The aldehydes (I) are coupled with the acetylides (II) to produce the diastereomeric alcohols (III) and (IV).
ChemInform Abstract: The Diels‐Alder Reaction of 1‐Phenylsulfonyl‐3,3,3‐trifluoropropene.
Authors: TAGUCHI T. , HOSODA A. , TOMIZAWA G. , KAWARA A. , MASUO T. , SUDA Y. , NAKAJIMA M. , KOBAYASHI Y.
Published: May 2016

Diels‐Alder reaction of the phenylsulfonyltrifluoropropene (I) with the 1,3‐dienes (II), (IV), and (VI) produces the cycloadducts (III), (V), and (VII).
ChemInform Abstract: Rearrangement of 2‐Dimethylsilyltetrahydropyran into 2,2‐Dimethyl‐1‐ oxa‐2‐silacycloheptane.
Authors: LUKEVITS E. , BORISOVA L. I. , GEVORGYAN V. N.
Published: May 2016

The reaction of 2‐lithium‐5,6‐dihydro‐4H‐pyran (I) with dimethylchlorosilane (II) gives the 2‐dimethylsilyl‐5,6‐dihydro‐4H‐pyran (III).
ChemInform Abstract: Solid‐State 1H NMR Studies of Synthetic Pectolite Ca2NaHSi3O9.
Authors: HEIDEMANN D. , STODOLSKI R.
Published: May 2016

In addition to the dominant signal due to SiOH groups the NMR spectra of pectolite (1H pulse‐Fourier‐transform wide line NMR and solid state high‐resolution 1H NMR) display a small signal which can be assigned to water molecules.
ChemInform Abstract: The Hydrolysis of the La(III) Ion in Aqueous Perchlorate Solution at 60 °C
Authors: CIAVATTA L. , IULIANO M. , PORTO R.
Published: May 2016

has been studied by measuring the H+ concentration of a series of lanthanum perchlorate solutions (glass electrode).
ChemInform Abstract: The Behavior of Water in Molten Salts,
Authors: WHITE S. H. , TWARDOCH U. M.
Published: May 2016

equimolar KNO3/NaNO3 and the ternary eutectic mixtures of the alkali metal (Li, K, Na) sulfates and carbonates, has been investigated with respect to the chemistry of the solutions and the electroreductive mechanism at gold electrodes.
ChemInform Abstract: Reactions of Cationic Silicon Clusters with Xenon Difluoride
Authors: REENTS W. D. JUN. , MUJSCE A. M. , BONDYBEY V. E. , MANDICH M. L.
Published: May 2016

are observed in the ion trap of a Fourier transform mass spectrometer.
ChemInform Abstract: Sulfur Compounds. Part 110. The Photolysis of Elemental Sulfur (S6, S7, S8, S10, S12) in Carbon Disulfide Solution
Authors: STRAUSS E.‐M. , STEUDEL R.
Published: May 2016

at 15 °C has been studied by quantitative HPLC analysis of the soluble products using a high‐pressure mercury lamp (200‐600 nm) as the irradiation source.
ChemInform Abstract: Unexpected Electrooxidations of Aromatic Enol Ethers in the Presence of Non Current Nucleophiles.
Authors: CARIOU M. , SIMONET J. , TOUPET L.
Published: May 2016

Electrooxidation of the enol ether (I) under various conditions yields the products (II), (IV) , (V) and (VI) or (V) and (VII).
ChemInform Abstract: Heteroaromatic Azo‐Activated Substitutions. Part 3. Catalysis in the Reaction of 4‐(4‐Methoxyphenylazo)pyridinium Methiodide with Amines in Dipolar Aprotic Solvents. Kinetic Form and the Mechanism of the Uncatalyzed Reaction in Nucleophilic Aromatic Substitution.
Authors: ONYIDO I. , UBOCHI C. I.
Published: May 2016

The kinetics of the reactions of the title compound (I) with the following sec.‐prim.
ChemInform Abstract: Thermal Cycloaddition of N‐Arylmaleimides to Phenols: the Convenient Synthesis of Bicyclo(2.2.2)oct‐2‐en‐5‐one and Tricyclo(3.3.0.02,8)octan‐2‐one Derivatives from Phenols.
Authors: BRYCE‐SMITH D. , GILBERT A. , MCCOLL I. S. , DREW M. G. B. , YIANNI P.
Published: May 2016

Heating of the phenols (I) and the maleimides (II) affords the exo‐ and endo‐cycloadducts (IV) and (V) in up to 63% yield; the products (III) of acyclic addition and homopolymers of the maleimides, for which structure (VI) is deduced, are formed concurrently.
ChemInform Abstract: Role of Steric, Electrostatic, and Hydrogen Bonding Effects as Face Selectivity Controlling Factors in Nitrone Cycloadditions.
Authors: BURDISSO M. , GANDOLFI R. , PEVARELLO P. , RASTELLI A.
Published: May 2016

1,3‐Dipolar cycloaddition reaction of the bicyclooctenes (II) with the nitrone (I) yields the syn‐ or anti‐isoxazolidines (III) and (IV).
ChemInform Abstract: An Attempt to Detect Thiirenium Ions in the Gas Phase.
Authors: PARADISI C. , SCORRANO G. , TRALDI P.
Published: May 2016

CnH2n‐1S+ ions (n = 3‐5, 7, 11) are generated in the gas phase from the precursors (I)‐(IX) via electronimpact.
ChemInform Abstract: Formation of Methoxynitrones and Stable Nitroxyl Radicals with Geminal Dimethoxy Groups at the α‐Carbon Atom by Oxidation of Aldonitrones.
Authors: SHCHUKIN G. I. , STARICHENKO V. F. , GRIGOR'EV I. A. , DIKANOV S. A. , GULIN V. I. , VOLODARSKII L. B.
Published: May 2016

Oxidation of the nitrones (I) gives the methoxy derivative (IIb) or the nitroxyls (III) and the N‐hydroxy compounds (IV), depending on the structure of (I).
ChemInform Abstract: Metal‐Assisted Reactions. Part 19. Burst Kinetics in Heterogeneous Catalytic Transfer Hydrogenolysis.
Authors: JOHNSTONE R. A. W. , PRICE P. J.
Published: May 2016

Arene (II) formation by catalytic transfer hydrogenolysis of aryloxytetrazolyl ethers (I) in the liquid phase using NaH2PO2‐H2O as H donor shows biphasic concentration‐time curves which indicate rate‐limiting dissociation of heterogeneous complexes between catalyst and one of the reaction products, a tetrazolone (given in the scheme as its tautomer (III)).
ChemInform Abstract: Cyclodimerization of 3,3‐Dimethylcyclopropene in the Presence of Ziegler‐Natta Type Nickel Catalyst Systems.
Authors: BRAGIN O. V. , VOLCHKOV N. V. , ZOTOVA S. V. , NESMEYANOVA O. A.
Published: May 2016

The reaction of the dimethylcyclopropene (I) to give the tetramethyltricyclohexane (II) is investigated in detail.
ChemInform Abstract: Fulvenes, Fulvalenes. Part 52. Synthesis and NMR Spectra of Nonafulvene and Comparison with 10‐Phenylnonafulvene.
Authors: FURRER J. , BOENZLI P. + , FREY A. , NEUENSCHWANDER M. , ENGEL P.
Published: May 2016

The transfer of the pentafulvene synthesis to nonafulvene (IV) is successful with the ester (II).
ChemInform Abstract: Stereoselective Olefin Formation from the Dehydration of 1‐(p‐Alkoxyphenyl)‐1,2‐diphenylbutan‐1‐ols: Application to the Synthesis of Tamoxifen.
Authors: MCCAGUE R.
Published: May 2016

Grignard reaction of the ketones (I) or (IV) affords the butanols (III) or (VI).
ChemInform Abstract: Biphenylenes with Strongly Distorted Trapezoidal Four‐Membered Ring.
Authors: VOEGTLE F. + , SAITMACHER K. , PEYERIMHOFF S. , HIPPE D. , PUFF H. , BUELLESBACH P. +
Published: May 2016

In search of bridged biphenylenes for the study of added strain to the four‐membered ring the synthesis of (IIIc) is undertaken.
ChemInform Abstract: Acid‐Catalyzed Coupling Reactions and Conversions of Isoflavone Epoxides.
Authors: BEZUIDENHOUDT B. C. B. , BRANDT E. V. , FERREIRA D.
Published: May 2016

Epoxidation of the isoflavones (I) gives the epoxides (II).
ChemInform Abstract: Anomer Controlled Substitution Reactions with Some N‐Alkylyridinium Compounds.
Authors: ANDERS E. , MARKUS F. , MESKE H. , TROPSCH J. , MAAS G.
Published: May 2016

The results of semiempirical MNDO calculations on bond lengths, heats of formation, and net atomic charges of compounds (I) and (II) allow general trends to be recognized.
ChemInform Abstract: A New Preparation of 4‐Phenyl‐4‐piperidinol.
Authors: PRALIEV K. D. , BELIKOVA N. A. , ISIN ZH. I. , SOKOLOV D. V.
Published: May 2016

Racemic 4‐phenyl‐4‐piperidinol (V) is obtained in three steps from commercially available N‐methylpiperidone (I).
ChemInform Abstract: Homolytic Alkoxycarbonylation Reactions in Two‐Phase Systems. Part 3. Introduction of a Single Carboxylic Acid Ester Function into Cyano‐ or Alkoxycarbonyl Substituted N‐Heteroaromatics.
Authors: HEINISCH G. , LOETSCH G. +
Published: May 2016

Alkoxycarbonylation of the pyridines (I), (IV), (VI), and the pyridazine (X) with the alkyl pyruvates (II) yields the corresponding esters as shown in the reaction scheme.
ChemInform Abstract: Nitriles in Heterocyclic Synthesis: Synthesis of New Pyrrolo(1,5‐a)pyrimidines, Pyrrolo(2,3‐c)pyrazoles, and Pyrano(3,4‐c)pyrazoles.
Authors: ELGEMEIE G. E. H. , RIAD B. Y. , NAWWAR G. A. , ELGAMAL S.
Published: May 2016

Reaction of the nitriles (I) with the heterocyclic derivatives (II), (IV), (VI), and (VIII) yields the title compounds (III), (V), (VII), or (IX).
ChemInform Abstract: Transformations of 1,2,4‐Thiadiazolo(2,3‐x)azines.
Authors: KOREN B. , STANOVNIK B. , TISLER M.
Published: May 2016

The fused thiadiazoles (II) and (IV) undergo ring cleavage to give the pyrimidine (III) and the pyridazine (VI).
ChemInform Abstract: New Dicyclopentadienyl Phosphine, Phosphite, and Acetylene Niobium(III) Complexes. Crystal Structure of (Nb(η‐C5H4SiMe3)2Cl(PhCCPh)).
Authors: ANTINOLO A. , GOMEZ‐SAL P. , MARTINEZ DE ILARDUYA J. , OTERO A. , ROYO P. , MARTINEZ CARRERA S. , GARCIA BLANCO S.
Published: May 2016

The reduction of the complex (I) in the presence of π‐acid ligands yields the neutral Nb(III) complexes (III).
ChemInform Abstract: Synthesis, Characterization, and Reactions of Chromyl(VI) Alkoxides.
Authors: CHADHA S. L. , SHARMA V. , SHARMA A.
Published: May 2016

Reaction of chromyl chloride (II) with the alcoholates (IV) gives either the chromyl alkoxides (I) or (III); with 2‐chloroethanol (V) the alkoxide (VI) is obtained.
ChemInform Abstract: Chemistry of Polynuclear Metal Complexes with Bridging Carbene or Carbyne Ligands. Part 56. Synthesis of Iron‐Molybdenum Compounds; Crystal Structures of (FeMo(μ‐CR)(CO)6(η‐C5H5)) and (FeMo2(μ3‐RC2R)(CO)6(η‐C5H5)2) (R: C6H4Me‐4).
Authors: GARCIA M. E. , JEFFERY J. C. , SHERWOOD P. , STONE F. G. A.
Published: May 2016

Equivalent amounts of (I) and (II) react in Et2O at 20 °C to give the dimetal complex (III), whereas under otherwise identical conditions a ratio of 1:3 affords (IV) and a ratio of 2:1 gives (V).
ChemInform Abstract: Chemistry of Polynuclear Metal Complexes with Bridging Carbene or Carbyne Ligands. Part 61. Reactions of Iron‐Molybdenum Compounds with Tertiary Phosphines.
Authors: BYRNE P. G. , GARCIA M. E. , TRAN‐HUY N. H. , JEFFERY J. C. , STONE F. G. A.
Published: May 2016

The conversion of (Ic) to (III) can be readily reversed in the presence of CO.
ChemInform Abstract: Multiple Bonds Between Main‐Group Elements and Transition Metals. Part 42. The Role of Organotin Compounds in Olefin Metathesis: Synthesis, Structure, and Lewis Acidity of ((η5‐C5Me5)CH3ReCl3).
Authors: HERRMANN W. A. , FELIXBERGER J. K. , HERDTWECK E. , SCHAEFER A. + , OKUDA J.
Published: May 2016

By means of the readily accessible, simple Re complexes (I), the elementary steps involved in the reaction of tin‐containing cocatalysts with higher‐valent, soluble Re compounds are explained.
ChemInform Abstract: 2‐Pyridonate (Opy) Rhodium(I) Carbonyl Complexes. Crystal Structure of the Unusual Tetranuclear Complex (Rh4(μ‐Opy)4(μ‐CO)2(CO)4).
Authors: CIRIANO M. A. , VILLARROYA B. E. , ORO L. A. , APREDA M. C. , FOCES‐FOCES C. , CANO F. H.
Published: May 2016

The tetranuclear title complex (II), which crystallizes in the space group P21/n with Z=2, is prepared as shown.
ChemInform Abstract: Electron‐Transfer Platinum Complexes of Esters of Dithiocarbazic Acid. The Crystal and Molecular Structure of (Pt(N(CH2Ph)NC(S)SMe)2).
Authors: FARES V. , GIULIANI A. M. , IMPERATORI P. , SUBER L. , TARLI F.
Published: May 2016

The ligands, prepared by hydrogenation of the appropriate Schiff bases with NaBH4 in 46‐73% yield, react with K2PtCl4 in aqueous ethanol to yield the intensely colored complexes (I).
ChemInform Abstract: Transformed Steroids. Part 158. Synthesis of 21‐Hydroxy(17α,16α‐d)oxathiolanones of Ketosteroids.
Authors: KAMERNITSKII A. V. , TURUTA A. M. , ISTOMINA E. I. , KOROBOV A. A.
Published: May 2016

Cleavage of the epoxide ring in the pregnenediol (I) with ethoxycarbonylhydrazine (II) and pyridinium thiocyanate gives the iminooxathiolane (IV) which is acetylated or hydrolyzed, producing the derivatives (V) and (VI).
ChemInform Abstract: An Efficient Asymmetric Synthesis of Both Enantiomers of Phosphinothricin.
Authors: ZEISS H.‐J.
Published: May 2016

Metalation of the (3R)‐bislactim ether (R)‐(I), obtained from D‐valine, and subsequent coupling with the phosphinate (II) produce (III) which is cleaved by acids to yield the amino acid derivatives (IV), (V), and finally (L)‐phosphinothricin (+)‐(VII).
ChemInform Abstract: Synthetic Studies on Mitomycins: the Synthesis of Mitosene.
Authors: OHNUMA T. , SEKINE Y. , BAN Y.
Published: May 2016

The toluene derivative (II), readily available from inexpensive 2‐amino‐5‐nitro‐toluene, is transformed to the mitosene derivative (VI).
ChemInform Abstract: Enzyme‐Catalyzed Cyanohydrin Synthesis in Organic Solvents.
Authors: EFFENBERGER F. , ZIEGLER T. , FOERSTER S. +
Published: May 2016

The title synthesis yields the cyanohydrins (R)‐(III) with 80‐99% e.e.
ChemInform Abstract: Dodecahedranes from (1.1.1.1)Pagodanes.
Authors: FESSNER W.‐D. , MURTY B. A. R. C. , WOERTH J. + , HUNKLER D. , FRITZ H. , PRINZBACH H. , ROTH W. D. , VON RAGUE SCHLEYER P. , MCEWEN A. B. , MAIER W. F.
Published: May 2016

The (optimized) catalytic thermolysis of pagodane (I) in a H2‐He stream yields the desired dodecahedrane (II) together with (III) and four other main products (turnover ca. 100%).
ChemInform Abstract: Copper(I) Complexes with Unsaturated Nitrogen Ligands. Part 3. Copper(I) Diazadiene Complexes with Carbon Monoxide, Olefins and Acetylenes.
Authors: STAMP L. , TOM DIECK H.
Published: May 2016

By addition of small organic ligands to the reaction mixture of Cu(I) trifluorosulfonate and the diazadienes the twenty‐four new complexes (IV) are obtained (no yields given).
ChemInform Abstract: Synthesis of an HMG‐CoA Reductase Inhibitor. A Diastereoselective Aldol Approach.
Authors: LYNCH J. E. , VOLANTE R. P. , WATTLEY R. V. , SHINKAI I.
Published: May 2016

The aldehyde (I) is coupled with the ester (II) to yield the ester (III) which is converted to the methyl ester (IV).
ChemInform Abstract: Composition of CVD Tungsten Silicides
Authors: HARA T. , TAKAHASHI H. , ISHIZAWA Y.
Published: May 2016

deposited on Si and SiO2 has been investigated by Rutherford backscattering spectrometry.
ChemInform Abstract: The Electronic Spectrum of Chromium(II) in a Diamagnetic and a Paramagnetic Layer Lattice Host.
Authors: MCGILLIVRAY G. W. , SMITH W. E.
Published: May 2016

MgCl2 and MnCl2 single crystals have been doped with 1.8‐18% Cr2+.
ChemInform Abstract: Contrast Reagents for the NMR Spectra of the Alkali Metals.
Authors: RIDDELL F. G. , SOUTHON T. E.
Published: May 2016

It is shown that the diamagnetic tripolyphosphate complexes of La3+ and Lu3+ are effective relaxation agents for NMR spectroscopy of all the alkali metals.
ChemInform Abstract: ESR Spectrum of IO2‐ 4.
Authors: BYBERG J. R.
Published: May 2016

X‐irradiation at 26 K of KBrO4 doped with KIO4 produces the radical anion IO42‐.
ChemInform Abstract: Stepwise Formation of Fluoride Complexes of Chromium(III) in Mixed KSCN‐KF Molten Salts
Authors: HOLMBERG B. , JARRING K.
Published: May 2016

has been investigated at 185 °C by absorption spectroscopy which reveals a pronounced effect of selective fluoride association on the d‐electron transition.
ChemInform Abstract: Surface Phases Formed by Sulfidation of MoO3 Single Crystals: Characterization and Catalytic Activity in Hydrodesulfurization
Authors: GACHET C. G. , DE MOURGUES L. , VRINAT M. , COLSON J. C. , STEINBRUNN A. , LATTAUD C. , BONNELLE J. P. , GENGEMBRE L.
Published: May 2016

(HDS).
ChemInform Abstract: Physical and Thermodynamic Properties for Novel C14 Unsaturated Aldehydes and C16 Saturated Amines.
Authors: MILLS P. L. , FENTON R. L. , SCHAEFER G. F.
Published: May 2016

Various group contribution methods and thermodynamic correlating equations are used to develop physical and thermodynamic properties for 28 branched isomeric C14 aldehydes and 28 saturated amines, the majority of which represent novel compounds.
ChemInform Abstract: Pinacol‐Type Rearrangement of 1‐Methoxybicyclo(3.2.2)nona‐3,6‐dien‐2ols. An Efficient Route to Homobarrelenones.
Authors: UYEHARA T. , KAWAI Y. , YAMADA J. , KATO T.
Published: May 2016

2‐Methoxytropone (I) and ethylene (II) give the Diels‐Alder adduct (III) which reacts with diisobutylaluminum hydride or the organolithium reagents (IV) to yield the isomeric alcohols (V) and (VI).
ChemInform Abstract: A Silicon Directed Diene Synthesis.
Authors: BROWN P. A. , BONNERT R. V. , JENKINS P. R. , SELIM M. R.
Published: May 2016

A convenient method for the conversion of a series of aldehydes into substituted dienes such as (VII) and (XIX) via silicon‐containing intermediates is outlined in the reaction scheme.
ChemInform Abstract: Synthesis of 2,5‐Substituted 1,3,4‐Thiadiazoles Using 3‐Phenyl‐5‐methyl‐4‐isoxazolyl Hydrazides.
Authors: ANDOSOVA G. V. , KONYUKHOV V. N. , ANDRONOVA N. I. , IL'ENKO V. I. , KOROBCHENKO L. V. , BOREKO E. I.
Published: May 2016

The 1,3,4‐thiadiazoles (II) are prepared by cyclization of the diacylhydrazines (I) with phosphorus pentasulfide.
ChemInform Abstract: A New and Convenient Synthesis of Benzofuroflavones.
Authors: AHLUWALIA V. K. , ADHIKARI R. , SINGH R. P.
Published: May 2016

The title compounds (IV) and (VIa) are synthesized as shown.
ChemInform Abstract: Cyclization Reactions Through the SRN1 Mechanism. Reactions of o‐Dihaloaromatic Compounds with Dithiolate Ions.
Authors: PIERINI A. B. , BAUMGARTNER M. T. , ROSSI R. A.
Published: May 2016

The dithiolate ion (II) obtained from (I) undergoes photo‐induced reaction with the o‐dihalobenzenes (III) to give 2‐methylthianthrene (IV).
ChemInform Abstract: Hypervalent Organoiodine‐Promoted Oxidative Ring Expansions of Tributylstannyl Lactols. New and General Synthesis of Unsaturated Medium‐ Ring Lactones.
Authors: OCHIAI M. , IWAKI S. , UKITA T. , NAGAO Y.
Published: May 2016

Consecutive reaction of tributylstannyllithium (II) with the cycloalkenones (I) and alkylation of the enolates obtained with the iodopropyl silyl ether (III) yield the disubstituted products (IV).
ChemInform Abstract: Synthesis of Disperse Dyes Derived from 1‐Cyano‐2‐Substituted‐3‐azabenzanthrones.
Authors: SRINIVASAN K. V. , SESHADRI S.
Published: May 2016

The 3‐azabenzanthrones (III), prepared from 1‐amino‐4‐chloroanthraquinone (I), are coupled with the amines (IV), yielding the magenta to violet dyes (V).
ChemInform Abstract: Potassium Carboxylates by Direct Carbonylation of Potassium Alkoxides.
Authors: RAUTENSTRAUCH V.
Published: May 2016

Carbonylation of the title alkoxides (I) and (VI) or (XII) followed by reaction with CH2N2 (III) yields the expected esters (IV) or (XIII) as major products.
ChemInform Abstract: Alloisolongifolene. Part 4. Some Novel Transformations of an Alloisolongifolene‐Derived 4‐Substituted 3,6‐Dihydro‐2H‐pyran.
Authors: DALAVOY V. S. , DEODHAR V. B. , NAYAK U. R.
Published: May 2016

The epoxide (I), readily available from the unsaturated compound, undergoes ring contraction in the presence of BF3‐etherate to give the aldehyde (IIa).
ChemInform Abstract: Synthesis of 13‐Aza‐steroid Analogues via α‐Acylimmonium Ions.
Authors: TREHAN I. R. , KAD G. L. , SINGH J. , GUPTA S. , BALA R.
Published: May 2016

The pyrrolidinones (VI) are cyclized in formic acid.
ChemInform Abstract: Steroidal Silicon Side‐Chain Analogues as Potential Antifertility Agents.
Authors: PETERS R. H. , CROWE D. F. , TANABE M. , AVERY M. A. , CHONG W. K. M.
Published: May 2016

Treatment of ethynylestradiol (Ia) and its bis(tetrahydropyranyl) ether (Ib) with ethylmagnesium bromide or butyllithium yields the corresponding acetylide anions which react with the chlorosilanes (II) to give the silylalkynes (III).
ChemInform Abstract: Nucleosides. Part 15. Synthesis of 6‐Methoxy/Methylthio‐4‐N‐substituted‐1‐(2‐tetrahydrofuranyl)‐1H‐pyrazolo(3,4‐d)pyrimidines and Their Biological Activity.
Authors: HASAN A. , PRATAP R. , JOSHI M. N. , KAR K. , BHAKUNI D. S.
Published: May 2016

Title compounds of type (V), (VI), (VIII) and (X) are synthesized as shown in the scheme and tested for their activity against Ranikhet disease virus.
ChemInform Abstract: Analogues and Derivatives of Tenoxicam. Part 1. Synthesis and Antiinflammatory Activity of Analogues with Different Residues on the Ring Nitrogen and the Amide Nitrogen.
Authors: BINDER D. , HROMATKA O. , GEISSLER F. , SCHMIED K. , NOE C. R. , BURRI K. , PFISTER R. , STRUB K. , ZELLER P.
Published: May 2016

3‐Chloro‐2‐thiophenecarboxylic acid (Ia) is transformed into the key intermediate (IIb) which reacts with sarcosine ethyl ester hydrochloride (III) to produce the sulfonamide (IV).
ChemInform Abstract: Corrosion of Phosphorus Oxynitride (PON) Glasses in Water and Humid Air.
Authors: BUNKER B. C. , ARNOLD G. W. , RAJARAM M. , DAY D. E.
Published: May 2016

PON glasses, prepared by remelting phosphate glasses in anhydrous ammonia vapor, are found to dissolve in deionized water up to 10000 times slower than the parent phosphate glasses.
ChemInform Abstract: Interactions of Molybdenum Oxide with Various Oxide Supports: Calcination of Mechanical Mixtures.
Authors: STAMPFL S. R. , CHEN Y. , DUMESIC J. A. , NIU C. , HILL C. G. JUN.
Published: May 2016

Intimate mechanical mixtures of various support materials and an amount of MoO3 corresponding to less than a monolayer are calcined at 720 K and the calcined mixtures have been investigated by laser Raman and FTIR spectroscopy.
ChemInform Abstract: Spin Cluster Excitations in Ti2+‐Doped MnCl2.
Authors: JACOBSEN S. M. , GUEDEL H. U. + , SMITH W. E.
Published: May 2016

Single‐crystal absorption spectra of Ti2+ in MnCl2 are recorded between 1.5 K and room temp., and the emission spectrum of Ti2+ is measured at 45 K. Transitions to the low‐energy 1Eg level of Ti2+ are observed in the near‐IR region, which are spin‐forbidden on the single center.
ChemInform Abstract: Catalytic Activity and Structure of Mo Oxide Highly Dispersed on ZrO2 for Oxidation Reactions.
Authors: ONO T. , MIYATA H. , KUBOKAWA Y.
Published: May 2016

As shown by XRD and FTIR and laser Raman spectra, MoO3 is highly dispersed on ZrO2 at low Mo content, forming an amorphous phase which is characterized as polymolybdates.
ChemInform Abstract: Cyclic Silicic Acid Derivatives.
Authors: MARSMANN H. C. , MEYER E.
Published: May 2016

A great number of chlorosiloxanes (linear and mono‐, di‐, tri‐, and tetracyclic) are obtained by reaction of SiCl4 with O2 at 995 °C. Low molecular weight components are separated by a combined distillation/crystallization process.
ChemInform Abstract: Trichlorodifluoroarsorane, AsCl3F2
Authors: MINKWITZ R. , PRENZEL H.
Published: May 2016

, has been prepared by the reaction of gaseous (I) (prepared by thermolysis of AsCl4+AsF6‐) with solid CaCl2 as outlined in the scheme (no yield given).
ChemInform Abstract: Topological Implications of Y‐Conjugation for Electronic Transitions of Cyanine Dyes.
Authors: GRAJCAR L. , BERTHIER G. , FAURE J. , FLEURY J.‐P.
Published: May 2016

Using the Chebyshev expansion of the characteristic polynomials of cyanines, it is shown that the two possible structures of tribranched cyanines are both consistent with the similarities between visible absorption of these compounds and of simple chains.
ChemInform Abstract: Ethylene Dimerization Over Supported Titanium Alkoxides.
Authors: SMITH P. D. , KLENDWORTH D. D. , MCDANIEL M. P.
Published: May 2016

Ti(OEt)4 is reduced by various metal alkyls to yield an active catalyst for the dimerization of ethylene to 1‐butene.
ChemInform Abstract: Free Monomeric Metaphosphate in Protic Solution: Complete Racemization at Phosphorus in the tert‐Butyl Alcoholysis of p‐Nitrophenyl Phosphate.
Authors: FREEMAN S. , FRIEDMAN J. M. , KNOWLES J. R.
Published: May 2016

The results of the solvolysis of bis(tetra‐n‐butylammonium) p‐nitrophenyl (16O,17O,18O)phosphate stereospecifically labeled in neat tBuOH at 30 °C demonstrate the intermediacy of a completely free, symmetrically solvated monomeric metaphosphate intermediate.
ChemInform Abstract: Nitriles in Heterocyclic Synthesis: Synthesis of Some New Pyridine, Pyridazine, and Pyrimidine Derivatives.
Authors: MOHAMED M. H. , IBRAHIM N. S. , ELNAGDI M. H.
Published: May 2016

The ethoxycarbonylcrotononitrile (I) is coupled with trichloroacetonitrile (II) to give the trichloromethylpyridine (III) which forms the pyrazolopyridine (VI) upon consecutive treatment with hydrazine hydrate and acids.
ChemInform Abstract: Thiophenol Promoted Cyclization of Enynes.
Authors: BROKA C. A. , REICHERT D. E. C.
Published: May 2016

Treatment of the enynes (Ia) ‐ (Ic) with thiophenol (II) induces cyclization, forming the phenylsulfenylmethylidenecyclohexanes (IV) via the intermediate radicals (III).
ChemInform Abstract: An Improved Synthesis of Dimethyl E‐5‐Methoxycarbonyl‐2‐hexenedioate and Dimethyl E‐6‐Methoxycarbonyl‐2‐heptenedioate.
Authors: BUNCE R. A. , PIERCE J. D.
Published: May 2016

The triesters (IV) are prepared from the alkenylmalonates (I) by ozonolysis and subsequent Wittig olefination of the aldehydes (II).
ChemInform Abstract: Sterically Shielded Halogenocyclobutanones. Part 2. Rearrangement of Cyclopropylsubstituted 2,2‐Dichlorocyclobutanones Induced by Sodium Methylate.
Authors: DONSKAYA N. A. , BESSMERTNYKH A. G. , DROBYSH V. A. , SHABAROV YU. S.
Published: May 2016

The 3‐monosubstituted title compound (Ia), on reaction with NaOMe (IV), according to method A) yields a mixture of the disubstituted product, the 2,2‐dimethoxy derivative (II), and a product resulting from cleavage of the cyclobutane ring, the dichlorobutanoic ester (III), whereas the 3,3‐disubstituted title compounds (Ib) and (Ic) and the 3,3‐disubstituted dichlorocyclobutanone (VI) exclusively afford the disubstituted products (Va) or (Vb).
ChemInform Abstract: Synthesis of β,β‐Disubstituted Acyclic α‐Enones with an Asymmetric Carbon.
Authors: IBARRA C. A. , ARIAS PEREZ M. S. , ESTEBAN J. M. , MOYA E.
Published: May 2016

The Grignard compound (I) is coupled with the E‐styryl ketones (II), producing the saturated ketones (III).
ChemInform Abstract: Proton‐Ionizable Macrocycles Containing 1,2,4‐Triazole and 4‐Amino‐ 1,2,4‐triazole Subunits.
Authors: ALONSO J. M. , MARTIN M. R. , DE MENDOZA J. , TORRES T. , ELGUERO J.
Published: May 2016

The aminobis(hydroxymethyl)‐1,2,4‐triazoles (I) are transformed into the dichloro derivatives (II).
ChemInform Abstract: Cyclization of C‐ and O‐Acyl Derivatives of p‐Toluamide O‐Acetoacetyloxime.
Authors: KAWASHIMA E. , ANDO Y. , TABEI K. , MIYAMAE H.
Published: May 2016

The O‐acyl or C‐acyl derivatives (III) and (IV) of the ketone (I) are cyclized, yielding the oxadiazoles (VI) and (VII) or the oxadiazoles (VII), (VIII), (X), and (XI), together with the isoxazolinone (IX).
ChemInform Abstract: Saturated Heterocycles. Part 113. Stereochemical Studies. Part 110. Synthesis and Stereochemical Investigation of cis‐ and trans‐1‐Substituted 7,8‐Dimethoxy‐1,4,5,9b‐tetrahydro‐2H‐azeto(2,1‐a)isoquinolines.
Authors: KOBOR J. , FUELOEP F. + , BERNATH G. , SOHAR P.
Published: May 2016

The title compounds (III) are obtained starting from the isoquinoline derivatives (I), (IV) or (V) as shown in the scheme and their stereochemistry is confirmed by NMR spectroscopy.
ChemInform Abstract: (4+2)‐Cycloaddition with Inverse Electron Demand: Reaction of 3‐Vinylindoles with Dimethyl 1,2,4,5‐Tetrazine‐3,6‐dicarboxylate.
Authors: PINDUR U. , PFEUFFER L.
Published: May 2016

The vinylindoles (I) react with the tetrazine (II) to give the dihydrodiazines (III) and (IV).
ChemInform Abstract: Chemistry of Oxalyl Derivatives of Methyl Ketones. Part 46. Reaction of β‐Bromoaroylpyruvic Esters with Urea.
Authors: ANDREICHIKOV YU. S. , PLAKHINA G. D.
Published: May 2016

The title reaction affords the uracils (III) and/or the imidazolones (IV), depending on the conditions chosen for the reaction.
ChemInform Abstract: Siloxane Synthesis. Silyl Group Migration at the Si3CSiO‐Skeleton.
Authors: PILLMANN S. , KLINGEBIEL U.
Published: May 2016

Tris(trimethylsilyl)methyllithium (I) reacts with the fluorosilanes (II) to yield the compounds (III).
ChemInform Abstract: On the Reaction of N‐Benzoyltrifluoroacetimidoyl Chloride with Trialkyl Phosphites.
Authors: SINITSA A. D. , KOLODKA T. V. , SHURUBURA A. K.
Published: May 2016

The imidoyl chloride (IV) is prepared from trifluoroacetylbenzamide (III) and phosphorus pentachloride.
ChemInform Abstract: Reaction of Phosphorus Pentachloride with Enamides. A New Access to 1,4‐Azaphosphorinanes.
Authors: ROZINOV V. G. , IZHBOLDINA L. P. , DONSKIKH V. I. , KALABINA A. V.
Published: May 2016

Reaction of N‐butyl‐N‐allylacetamide (I) with phosphorus pentachloride gives the cyclic salt (II) which is treated with sulfur dioxide, forming the azaphosphorinane (III).
ChemInform Abstract: A New Synthetic Route to Cyclic Polyarsines.
Authors: GUPTA V. K. , KRANNICH L. K. , WATKINS C. L.
Published: May 2016

The reaction of (I) with the appropriate molar ratio of (II) yields the cyclic polyarsines (III), which are easily separated from the by‐product (IV), due to its high volatility.
ChemInform Abstract: Metal‐Alkyl and ‐Aryl Compounds. Part 34. Tetrameric and Dodecameric tert‐Butylethynyllithium ‐ A Novel Aggregation Principle in Organolithium Compounds.
Authors: GEISSLER M. , KOPF J. , SCHUBERT B. , WEISS E. , NEUGEBAUER W. , VON RAGUE SCHLEYER P.
Published: May 2016

From BuLi in hexane at ‐78 °C with THF and tBu‐C≡CH after 30 min the tetramer ((tBu‐C≡C‐Li)4(THF)4) (space group P2/n with Z=2) is obtained (yield ca. 70%).
ChemInform Abstract: Organoboration of Alkynylstannanes. Part 19. Stannacyclopentadienes via Organoboration of Diethynyldimethylstannane with B‐Alkyl‐9‐borabicyclo‐(3.3.1.)nonanes.
Authors: BIHLMAYER C. , ABU‐ORABI S. , WRACKMEYER B.
Published: May 2016

Reaction of diethynyldimethylstannane (I) with the B‐alkyl‐9‐borabicyclo(3.3.1)nonanes (II) leads to the formation of the stannacyclopentadienes (V) and (VI) via the intermediates (III) and/or (IV).
ChemInform Abstract: (Fe6Se9(SR)2)4‐ Clusters (R: Me, CH2Ph): Synthesis and Characterization, and the X‐Ray Structure of (PhCH2NEt3)4(Fe6Se9(SMe)2).
Authors: STRASDEIT H. , KREBS B. , HENKEL G.
Published: May 2016

The title compounds (I) are prepared by the reaction of the appropriate iron(III) mercaptans with an equimolar amount of a polyselenide of the composition Na2Se2 in MeOH/DMF after addition of the ammonium chlorides.
ChemInform Abstract: Novel Polypyrazolylborate Ligands: Coordination Control Through 3‐Substituents of the Pyrazole Ring.
Authors: TROFIMENKO S. , CALABRESE J. C. , THOMPSON J. S.
Published: May 2016

The new polypyrazolylborate ligands (Ia)‐(Id) are prepared by reaction of the tetrahydridoborate ion with the appropriate pyrazole depending on the molar ratio.
ChemInform Abstract: Heterobinuclear Adducts of Copper Tetradentate Schiff Bases with Metal Hexafluoroacetylacetonates.
Authors: BREWER G. A. , SINN E.
Published: May 2016

The series of heterobinuclear complexes (III) is prepared by the reaction of the Schiff base complexes (I) with the β‐diketonato derivatives (II) (no yields given).
ChemInform Abstract: Ditellurene, Selenatellurene, and Thiatellurene Complexes. Structure of Pt(1,2‐Te2C6H4)(PPh3)2.
Authors: GIOLANDO D. M. , RAUCHFUSS T. B. , RHEINGOLD A. L.
Published: May 2016

The Pt title complexes (I) are synthesized according to the scheme.
ChemInform Abstract: A Brief, Stereoselective Total Synthesis of the Guaiane Sesquiterpene (.+‐.)‐Gnididione.
Authors: DELL C. P. , KNIGHT D. W.
Published: May 2016

The tricyclic ester (VII) is prepared from furoic acid (II) and 3‐methylglutaric anhydride (I) via cyclization of the diester (III) and the diketone (VI).
ChemInform Abstract: The Effect of Organic Cosolvents on the Enantioselectivity in the Bovine Serum Albumin Catalyzed Weitz‐Scheffer Condensation.
Authors: COLONNA S. , MANFREDI A. , SPADONI M.
Published: May 2016

The influence of various solvents on the yields and the optical induction in the epoxidation of the naphthoquinones (I) is investigated.
ChemInform Abstract: Novel Applications of Topological Indices. Part 2. Prediction of the Threshold Soot Index for Hydrocarbon Fuels.
Authors: HANSON M. P. , ROUVRAY D. H.
Published: May 2016

The propensity of hydrocarbons to form soot in a diffusion flame is correlated for the first time against various topological indices.
ChemInform Abstract: Methods of Calculating NMR Chemical Shifts
Authors: FUKUI H.
Published: May 2016

Review: (113 refs.
ChemInform Abstract: Involvement of Hydrogen‐Bonding Protons in Delocalization of the Paramagnetic Electron in a Single Crystal of Photoreduced Decatungstate.
Authors: YAMASE T.
Published: May 2016

A single crystal of (H5O2)(NH2(iPr)2)4(W10O32)·6 H2O, diamagnetically diluted by (H5O2)2(NH2(iPr)2)4(W10O32)·4 H2O, has been investigated by means of X‐band ESR spectroscopy at 77 K. The ESR spectra show the hyperfine interaction due to eight magnetically equivalent H atoms which are hydrogen‐bonding H2O protons bonded to terminal oxygens at eight equatorial WO6 sites.
ChemInform Abstract: Electric Conductivity and Thermoelectromotive Force of the Orthochromites of the Rare Earth Elements of the Cerium Subgroup.
Authors: GIL'DERMAN V. K. , ZEMTSOV V. I. , PAL'GUEV S. F.
Published: May 2016

Samples of the title compounds are prepared from mixtures of the oxides of the corresponding rare earth metals (La, Pr, Nd, Sm, Eu, Gd) and chromium oxide by heated to 1700 K for 4 h. The thermoelectromotive forces and the electric conductivities of the title compounds are measured between 870‐1270 K in atmospheres of varying partial pressures of oxygen.
ChemInform Abstract: Determination of pH, Potential and Chloride Concentration in Corroding Crevices on 304 Stainless Steel and 7475 Aluminum Alloy
Authors: ALAVI A. , COTTIS R. A.
Published: May 2016

has been performed using a Pd/H2 diffusion electrode for pH measurements and a Ag/AgCl electrode to determine the Cl‐ concentration.
ChemInform Abstract: Parameters Influencing the Activity of Ni‐B Catalysts.
Authors: ROSIER D. , DALLONS J.‐L. , JANNES G. , PUTTEMANS J.‐P.
Published: May 2016

Ni‐B catalysts have been prepared by reduction of either an ethanolic solution of nickel acetate or a solution of nickel hexanoate in cyclohexane using a NaBH4 ethanolic solution.
ChemInform Abstract: Synthesis of Ammonium‐imido‐bis(sulfonyl fluoride), NH4N(SO2F)2.
Authors: RUZICKA A. , ZATLOUKALOVA L.
Published: May 2016

The title compound has been obtained for the first time as crystalline material by the reaction outlined in the scheme.
ChemInform Abstract: Composition of the Products of the Reaction Between Basic Zinc Carbonate and Calcium Carbonate with Orthophosphoric Acid.
Authors: ANTRAPTSEVA N. M. , SHCHEGROV L. N. , PONOMAREVA I. G.
Published: May 2016

The reaction between basic ZnCO3, CaCO3 and H3PO4 is studied at 75 °C, and for pH values ranging from 2.1 to 3.5 varying the ratios of the reactants.
ChemInform Abstract: Synthesis and Characterization of ZSM‐39 Type Zeolites.
Authors: DEWAELE N. , VANHAELE Y. , BODART P. , GABELICA Z. , NAGY J. B.
Published: May 2016

Zeolite ZSM‐39 has been synthesized from an aqueous aluminosilicate gel and the product as well as intermediate phases have been characterized by X‐ray diffraction, SEM, EDX, thermal analysis, and multinuclear solid and liquid state NMR techniques (29Si, 27Al, 23Na, 11B, 13C).
ChemInform Abstract: Molecular Recognition: Size and Shape Specificity in the Binding of Dicarboxylic Acids.
Authors: REBEK J. JUN. , NEMETH D. , BALLESTER P. , LIN F.‐T.
Published: May 2016

The mode of interaction of carboxylic diacids with the enzyme model receptors (I) is studied.
ChemInform Abstract: Optical Resolution of Propafenone and Diprafenone, Configuration of Propafenone Enantiomers.
Authors: BLASCHKE G. , WALTHER B.
Published: May 2016

The antiarrhythmic drugs propafenone (Ia) and diprafenone (Ib) are resolved by fractional crystallization of the diastereoisomeric salts with optically active di‐O,O'‐p‐toluoyl‐tartaric acid and tartaric acid, respectively.
ChemInform Abstract: Synthesis of Functionalized Bicyclo(3.2.1)octa‐2,6‐dienes by Thermal Rearrangement of Substituted 6‐exo‐(1‐Alkenyl)bicyclo(3.1.0)hex‐2‐ene Systems.
Authors: PIERS E. , JUNG G. L. , RUEDIGER E. H.
Published: May 2016

Thermolysis of the silyl ethers (Ia) or (III) affords, cleanly and efficiently, the Cope rearrangement products (IIa) or (IV).
ChemInform Abstract: Heterocyclic Seven‐Membered Ring Compounds. Part 31. The Photochemical Behavior of Monosubstituted 1‐Benzothiepines.
Authors: HOFMANN H. , DJAFARI H.
Published: May 2016

Deuteration of (I) and subsequent enolization and alkylation leads to the selectively C‐4 deuterated (III) (98%).
ChemInform Abstract: Collisional Relaxation of Photoexcited Bromobenzene Ions by Various Neutral Partners.
Authors: AHMED M. S. , DUNBAR R. C.
Published: May 2016

With use of the technique of competitive collisional quenching of two‐photon dissociation, the collisional quenching of photoexcited bromobenzene ions created by 514.5‐nm photon absorption is measured for 35 neutral partners.
ChemInform Abstract: Organic Photochemistry. Part 71. Reaction Path Analysis of Hydrogen Abstraction by the Formaldehyde Triplet State.
Authors: SEVERANCE D. , PANDEY B. , MORRISON H.
Published: May 2016

The fully optimized transition state for hydrogen abstraction from methane by the formaldehyde excited triplet state is determined by using ab initio theory and UHF/3‐21G calculations.
ChemInform Abstract: Aldol‐Equivalent Elaboration of Sterically Hindered Ketones: Methallylmagnesium Chloride as a Synthon for Acetone Enolate.
Authors: BUNNELLE W. H. , RAFFERTY M. A. , HODGES S. L.
Published: May 2016

The sterically hindered or cyclic ketones (I) react with methallylmagnesium chloride (II) to form the alcohols (III) which undergo ozonolysis to yield the ketols (IV).
ChemInform Abstract: Reactions of Electron‐Rich Heterocycles with Orthocarboxylic Acid Derivatives. Part 10. Formylation and Alkylation of Carbazoles with Ambident Dialkoxycarbenium Tetrafluoroborates.
Authors: FLO C. , PINDUR U.
Published: May 2016

The carbenium ion (II) causes formylation or alkylation of the carbazoles (I), (IV), (VI) or (VIII) and leads to the products (III), (V), (VIIa) or (VIIb) and (IX).