bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Synthesis and Antimicrobial Activity of 8H‐1,2,5‐Thiadiazolo(3,4‐g)indole Derivatives.
Authors: TITOV G. A. , CHETVERIKOV V. P. , BUNDEL' YU. G. , MALYUGA O. A. , IVCHENKO T. I. , ALEKSEEVA E. N.
Published: May 2016

Diazotization of the aminobenzothiadiazole (I) and subsequent reduction with stannous chloride give the stannic chloride‐hydrazinobenzothiadiazole complex (IV) which is cyclized with the carbonyl compounds (V) either via the hydrazones (VIa) or directly, producing the title compounds (VII).
ChemInform Abstract: Transformations of 1‐(2‐Chloropyridyl‐3)‐4‐ethoxycarbonyl‐ and 1‐(2‐Chloropyridyl‐3)‐4‐ethoxycarbonylmethyl Thiosemicarbazides. Attempts to Prepare Pyrido(3,2‐e)‐1,2,4‐thiadiazine.
Authors: KOREN B. , STANOVNIK B. , TISLER M.
Published: May 2016

The reaction of the hydrazinopyridine (III) with phenyl isothiocyanate (II) yields directly the pyridothiadiazine (I).
ChemInform Abstract: Preparation of 2,5‐Dimethyl‐4‐phenyl‐4‐propionyloxypiperidine.
Authors: PRALIEV K. D. , BELIKOVA N. A. , ISIN G. I. , SYDYKOV B. T. , SOKOLOV D. V.
Published: May 2016

The N‐methylpiperidine (promedol) (I) is N‐demethylated to yield the title compound (IV) which is coupled with formaldehyde (V) and phenylacetylene (VI), producing the phenylpropargyl derivative (VII).
ChemInform Abstract: Synthesis and Structure of Manganese(II) L‐Aspartate Trihydrate, Mn(L‐Asp)·3 H2O.
Authors: SCHMIDBAUR H. , BACH I. , RIEDE J. , MUELLER G. + , HELBIG J. , HOPF G.
Published: May 2016

The title compound is prepared from equimolar quantities of MnCl2 and Mn(II)(L‐AspH)2 (L‐AspH2: aspartic acid) in water via Mn(L‐AspH)‐Cl which is converted into (I) by treatment with aqueous KOH.
ChemInform Abstract: Interactions of Bis‐(μ‐chloro‐chlorotricarbonylruthenium(II)) and Poly‐(μ‐dichloro‐dicarbonylruthenium(II)) with Nucleosides.
Authors: PNEUMATIKAKIS G. , YANNOPOULOS A. , MARKOPOULOS J.
Published: May 2016

The title reaction of the Ru complexes (I) or (V) with inosine, guanosine, adenosine, and cytidine (II) leads to the cleavage of chloride‐bridges and to the formation of the monomeric nucleosides complexes (III), (IV), and (VI) as shown.
ChemInform Abstract: Synthesis and Pharmacological Activity of 2‐Aryl‐3‐ethoxycarbonyl‐5‐hydroxybenzofuran Derivatives.
Authors: ZOTOVA S. A. , GOLOLOBOVA T. M. , STOLYARCHUK A. A. , STEPANYUK G. I. , BOBRUK V. P. , IVANOVA N. I. , MOSTOVAYA N. I.
Published: May 2016

The 2‐arylbenzofurancarboxylates (III), prepared from the aroylacetates (I) and p‐benzoquinone (II), are aminomethylated to produce the mono‐(VI) or the bis(dimethylaminomethyl) derivatives (IX).
ChemInform Abstract: Crystallization Behavior of a Glass in the Y2O3‐SiO2‐AlN System.
Authors: DINGER T. R. , RAI R. S. , THOMAS G.
Published: May 2016

The best glass‐forming characteristics in the title system are observed for a glass having a normalized composition of Y0.26Si0.30Al0.11ON0.11.
ChemInform Abstract: Molecular Thermodynamics of Evaporation of Salt Melts Containing Aluminum Chloride. Part 3. FeCl3/AlCl3 and FeCl2/AlCl3 Melts.
Authors: WENDT H. , VOLLHEIM T.
Published: May 2016

The boiling point diagrams of the title systems are determined for Al2Cl6/Fe2Cl6 melts containing 0‐90 mol% Fe2Cl6 and for AlCl3/FeCl2 melts containing 0‐20 mol% FeCl2 at an overall pressure of 0.4 MPa.
ChemInform Abstract: Chemistry of C‐Heteroarylnitrilimines. Synthesis and Cycloaddition Reaction of N‐Phenyl‐C‐(2‐thienyl)nitrilimine.
Authors: HASSANEEN H. M. , MOUSA H. A. H. , SHAWALI A. S.
Published: May 2016

The nitrilimines (II), generated in situ from the hydrazonoyl chloride (I), dimerizes to form the tetrazine (III).
ChemInform Abstract: Electrochemical Carboxylation of Cyclic Ketene‐S,S‐acetals.
Authors: JANIETZ S. , RUETTINGER H. H. + , MATSCHINER H.
Published: May 2016

For some cyclic ketene‐S,S‐acetals such as (I) the title reaction yields the corresponding carboxylic acids.
ChemInform Abstract: Host‐Guest Complexation. Part 46. Cavitands as Open Molecular Vessels Form Solvates.
Authors: CRAM D. J. , KARBACH S. , KIM H.‐E. , KNOBLER C. B. , MAVERICK E. F. , ERICSON J. L. , HELGESON R. C.
Published: May 2016

The preparation of a series of cavitands possessing four (→ (V)) or three (→ (VI)) polymethylene bridges is described; most of them are synthesized by a route similar to that shown for (Va).
ChemInform Abstract: Synthesis and Mesomorphous Properties of Aryl Esters of 4‐Alkyl‐1‐cyclohexene‐1‐carboxylic and 4‐Alkyl‐3‐cyclohexene‐1‐carboxylic Acids.
Authors: BEZBORODOV V. S. , KONOVALOV V. A. , LAPANIK V. I. , PTASHNIKOV YU. L.
Published: May 2016

Title compounds of type (III) and (V) are prepared as shown in the scheme.
ChemInform Abstract: Dipolaric Amidosulfonylammonium Compounds from the Reactions of 1,3,2,4,5‐Dioxadithiazine 2,2,4,4‐Tetroxides with Amines.
Authors: TITOVA O. M. , BEL'SKII V. K. , MICHURIN A. A. , BODRIKOV I. V.
Published: May 2016

The title compounds (III) are obtained by reacting the tetroxide (I) with the tertiary amines (II).
ChemInform Abstract: A New Method for the Synthesis of Novel 3‐Substituted 4‐Amino‐8‐ethoxycarbonylpyrazolo(5,1‐c)(1,2,4)triazines and Pyrazolo(1′,5′:3,4)(1,2,4)triazino(5,6‐b)(1,5)benzodiazepines.
Authors: KURASAWA Y. , OKAMOTO Y. , TAKADA A.
Published: May 2016

Reaction of the aminopyrazolotriazinecarbonitrile (II) with o‐phenylenediamine bishydrochloride (I) gives the primary adduct (III) which reacts with further (I) to give the spiro‐fused compound (IV).
ChemInform Abstract: Some Observations on the Stereochemical and Regiochemical Outcome of Hydrostannylation of Substituted Propargyl Alcohols.
Authors: NATIVI C. , TADDEI M.
Published: May 2016

Propargylic alcohols such as the silylated derivatives (III) are prepared by coupling of the corresponding terminal alkynes (I) with the carbonyl compounds (II).
ChemInform Abstract: Total Synthesis of Various Elemanolides.
Authors: FRIEDRICH D. , BOHLMANN F.
Published: May 2016

Starting from the divinyl cyclohexanone (I), both the nor‐lactones (III) or (VI) are prepared, which are the precursors for a series of racemic 12.8‐elemanolides such as (VII)‐(X).
ChemInform Abstract: Convenient Synthetic Route to (+)‐Faranal and (+)‐13‐Norfaranal: The Trail Pheromone of Pharaoh′s Ant and Its Congener.
Authors: POPPE L. , NOVAK L. , KOLONITS P. , BATA A. , SZANTAY C.
Published: May 2016

Coupling of Z‐homogeranyl bromide (II) with the lactone (V) and subsequent work‐up using trivial reactions affords (+)‐faranal (IX).
ChemInform Abstract: Synthesis of β‐Oxopropyl Esters by Catalytic Addition of Carboxylic Acids and N‐Protected Amino Acids to Propargyl Alcohol.
Authors: DEVANNE D. , RUPPIN C. , DIXNEUF P. H.
Published: May 2016

The carboxylic acids (I) are coupled with propargyl alcohol (II) in the presence of a ruthenium(II)/phosphine/arene catalyst to form the 2‐oxopropyl carboxylates (III) via intermediates discussed.
ChemInform Abstract: Reactions of the Metallacycle ((OC)(cp)FeC(SMe)SC(FeLn)S)+ with Nucleophiles. X‐Ray Crystal Structures of the Complexes Cyclic ((OC)(cp)FeC(NC5H10)SC(FeLn)S)SO3CF3 and Cyclic ((OC)(cp)FeC((CN)(SMe))SC(FeLn)S) (FeLn: Fe(cp)(CO)2, cp: η‐C5H5).
Authors: BUSETTO L. , ZANOTTI V. , ALBANO V. G. , BRAGA D. , MONARI M.
Published: May 2016

Studies show that the carbene C atom bonded to the endocyclic Fe atom in (I) is always the site of addition of all the nucleophiles examined.
ChemInform Abstract: Single Crystal Structure of NH4CuMoS4.
Authors: BENSCH W. , STAUBER‐REICHMUTH G. , RELLER A. , OSWALD H. R.
Published: May 2016

Single crystals of the title compound grow on a Cu wire in a solution of (NH4)2MoS4 in 2.5% aqueous NH3.
ChemInform Abstract: Comparison of Back‐Bonding in Osmium(II) versus Iron(II) Octaethylporphyrins via Resonance Raman Spectroscopy.
Authors: BOLDT N. J. , GOODWILL K. E. , BOCIAN D. F.
Published: May 2016

The CO‐Py, Py2 and (NH3)2 adducts of octaethylporphyrinatoosmium and ‐iron, representing a series of complexes in which equatorial back‐bonding from the metal to the porphyrin ring is increased from a minimum to a maximum extent, are compared by the frequencies of their ν11 vibration, the most reliable indicator for back‐donated electron density.
ChemInform Abstract: Studies on Benzimidazole. Preparation and Antimicrobial Activity of 2‐(α‐Arylaminobenzyl)benzimidazoles and 2‐(2′,3′‐Diaryl‐4′‐keto‐5′‐thiazolidinyl)methylbenzimidazoles.
Authors: KAMDAR G. C. , BHATT D. J. , PARIKH A. R.
Published: May 2016

Ring closure of o‐phenylenediamine (I) with the α‐amino acids (II) yields the benzimidazoles (III).
ChemInform Abstract: Photochemical Isomerization of 2‐(N‐Phenylamino)‐2‐phenyl‐1,3‐indandione.
Authors: HRNCIAR P. , GAPLOVSKY A. , JANKULICOVA E. , DONOVALOVA J.
Published: May 2016

Photochemical isomerization of the title compound (I) at wavelengths of 254 and >360 nm gives mixtures of the same products (II) ‐ (V), however, in different ratios.
ChemInform Abstract: Asymmetric Synthesis of 2‐Amino‐1,4‐diols.
Authors: FERINGA B. L. , DE LANGE B.
Published: May 2016

The hydroxyfuranone (II) reacts with (‐)‐menthol (III) to form the chiral oxofuranyl ether (IV) which is selectively coupled with the amines (V), yielding the adducts (VI).
ChemInform Abstract: Thiazolylmethylenetriphenylphosporane and Its Benzo Derivative: Stable and Practical Wittig Reagents for the Synthesis of Vinylthiazoles and Vinylbenzothiazoles. Two‐Carbon Homologation of Aldehydes.
Authors: DONDONI A. , FANTIN G. , FOGAGNOLO M. , MEDICI A. , PEDRINI P.
Published: May 2016

The title reagents (IIIa) and ‐ contrary to a literature report ‐ (IIIb) react with a variety of aldehydes such as (IV) to yield the expected products (V) and (VI).
ChemInform Abstract: A Remarkable Synthesis of the Bicyclo(4.2.1)nonenedione System.
Authors: KENDE A. S. , FINK D. M. , GOUGOUTAS J. Z. , MALLEY M. F.
Published: May 2016

Starting with the bicyclo(3.3.1)nonenedione (I), the dithiane (V) is prepared via the enamine (III).
ChemInform Abstract: Improved Synthesis of the Lukes‐Sorm Dilactam. Nucleophilic Opening to 5‐Substituted 2‐Pyrrolidin‐2‐ones.
Authors: ALONSO R. , GESSNER W. , TAKAHASHI K. , BROSSI A.
Published: May 2016

The dilactam (VI) mentioned in the title is prepared from the ketopimelic acid (I) by twofold cyclization with ammonia (II) in ethanol (III) and acetic anhydride (IV) via the oxopyrrolidinepropanoate (V).
ChemInform Abstract: An Efficient and General Route for the Preparation of 2‐Alkyl‐2H‐isoindoles. Part 1. Acetolysis of 2‐Alkylisoindoline N‐Oxides.
Authors: KREHER R. P. , SEUBERT J. , SCHMITT D. , USE G. , KOHL N.
Published: May 2016

The 2‐alkylisoindolines (I), obtained by cyclocondensation of 1,2‐bis‐(bromomethyl)benzene with primary alkylamines, react with hydrogen peroxide (II) to form the 2‐alkylisoindoline N‐oxides (III) which yield the 2‐alkyl‐2H‐isoindoles (IV) upon treatment with acetic anhydride.
ChemInform Abstract: Five‐Ring Heterocycles from 1,3‐Dielectrophilic Hetero‐1,3‐dienes and Hydrazine Derivatives.
Authors: BURGER K. , KAHL T.
Published: May 2016

The 1,3‐diazabuta‐1,3‐dienes (I) undergo ring closure with the hydrazines (II), forming the Δ2‐1,2,4‐triazolines (III).
ChemInform Abstract: Activated Nitriles in Heterocyclic Synthesis: Novel Syntheses of Pyrano(2,3‐b)pyridines and Pyrano(2,3‐d)pyrimidines.
Authors: ELGEMEIE G. E. H. , GOHAR A.‐K. M. N. , REGAILA H. A. , ELFAHHAM H. A.
Published: May 2016

The hetarylmethylenemalononitriles (II) undergo cyclocondensation with ethyl acetoacetate (I) to form the 2‐amino‐3‐cyano‐4H‐pyrans (III).
ChemInform Abstract: Studies on 4‐Thiazolidinones. Part 6. Synthesis and Antimicrobial Activity of 2‐Aryl‐3‐(2′,4′‐dibutylamino‐s‐triazin‐6′‐yl)‐5‐H/methyl/carboxymethyl‐4‐thiazolidinones.
Authors: MEHTA L. , PAREKH H.
Published: May 2016

The chlorotriazine (I) is converted to the imino derivatives (V).
ChemInform Abstract: Preparation of Amino‐Substituted‐ethene‐1,1‐bis(acid fluorides).
Authors: FILD M. , HANDKE W. , RIECK H.‐P.
Published: May 2016

The carbodiimides (I) react with the methylenebis(acyl fluorides) (II) to form the 1,1‐diacyl‐2,2‐diaminoethenes (III).
ChemInform Abstract: Specific Syntheses of the Unsaturated Phosphorus‐Nitrogen‐Sulfur Rings R2PN3S2, 1,5‐(R2P)2N4S2, and R2PN5S3 (R: Ph, Me).
Authors: CHIVERS T. , DHATHATHREYAN K. S. , LIBLONG S. W. , PARKS T.
Published: May 2016

The unsaturated cyclic title compounds (III), (V), and (VII) are synthesized starting with the readily available iminoaminophosphoranes (I) according to the scheme shown.
ChemInform Abstract: Highly Oxidizing Organometallics: The Preparation of Magnetic Charge Transfer Salts Derived from (MeCp)VCl3.
Authors: MORSE D. B. , RAUCHFUSS T. B. , WILSON S. R.
Published: May 2016

The interaction of the title compound with tetramethyltetrathiafulvalene (= L) leads to the CT salts (Ia) (cyclic voltammogram, space group: P21/c, Z=4) and (Ib) which on attempts to grow crystals undergoes partial oxygenation to give the semiconductor (II) (P1, Z=1).
ChemInform Abstract: Coordination Chemistry of the New 2,3,4,5‐Tetramethylphospholyl (C4Me4P) π‐Ligand. Crystal and Molecular Structure of (η5‐C4Me4P)2ZrCl2·1/2 C10H8.
Authors: NIEF F. , MATHEY F. , RICARD L. , ROBERT F.
Published: May 2016

The new phosphole (V) is prepared according to the scheme.
ChemInform Abstract: Redox‐Promoted Linkage Isomerizations of Aldehydes and Ketones on Pentaammineosmium.
Authors: HARMAN W. D. , SEKINE M. , TAUBE H.
Published: May 2016

On one‐electron reduction, (Os(NH3)5(η1‐OCMe2))3+ undergoes an η1 → η2 isomerization which is reversible by homogeneous oxidation.
ChemInform Abstract: Novel Semisynthetic 7‐Spiroepoxycephalosporins.
Authors: BYCROFT B. W. , SHUTE R. E. , BEGLEY M. J.
Published: May 2016

The 7‐diazocephalosporanate (I) reacts consecutively with oxalyl chloride (II) and aniline (III) to produce a mixture of the 7‐spiro epoxides (IV) and (V).
ChemInform Abstract: Ion Beam Assisted Deposition of Thin Carbonaceous Films. Part 1. Seawater Immersion Performance.
Authors: TAYLOR S. R. , CAHEN G. L. JUN. , STONER G. E. , FERRALLI M. W. , MORAN P. J.
Published: May 2016

A film formation technique is developed which can be used to form thin carbon‐based films by three different methods: 1. ionization, collimation, and acceleration of monomeric gases (e.g.
ChemInform Abstract: Interaction of Metal Ions with 6‐Oxopurine Nucleotides. Part 2. X‐Ray Structures of Ternary Nickel(II) Complexes with 2′‐Deoxyguanosine 5′‐Monophosphate or Guanosine 5′‐Monophosphate.
Authors: BEGUM N. S. , POOJARY M. D. , MANOHAR H.
Published: May 2016

The ternary Ni(II) complexes (I) and (II) are prepared from (Ni(en)(OH2)4)X2 (X: NO3, 1/2 SO4) and disodium salts of the corresponding nucleotide monophosphates.
ChemInform Abstract: 2,4‐Diaroyl‐3,5,6‐triarylanilines from Addition of Benzyl Cyanides to Acetylenic Ketones.
Authors: FOULI F. A. , YOUSSEF A. S. A. , VERNON J. M.
Published: May 2016

Coupling of the benzylic cyanides (I) with the alkynones (II) in the presence of sodium ethoxide in ether yields the 1:1 adducts (III), whereas in the presence of sodium methoxide in benzene, the 1:2 adducts (IV) are formed predominantly.
ChemInform Abstract: 6‐Diphenylphosphinolepidinium and ‐quinaldinium Iodide.
Authors: TOLMACHEV A. A. , KOZLOV E. S.
Published: May 2016

Transselenonation of the phosphine selenide (I) gives the phosphanyllepidinium iodide (II).
ChemInform Abstract: Alkylation of Tetrazolo(1,5‐a)pyridine and Its Benzologues (Anellation Effect).
Authors: MESSMER A. , HAJOS G. , JUHASZ‐RIEDL Z. , SOHAR P.
Published: May 2016

Tetrazolo(1,5‐a)pyridine (Ia) and its fused benzologues such as (Ib) and (Ic) are alkylated with methyl iodide or dimethyl sulfate (II) or triethyloxonium tetrafluoroborate (V) to give mixtures of the 1‐ and 2‐substituted compounds (III) and (IV) or (VI) and (VII) in different ratios.
ChemInform Abstract: Synthesis and Pharmacological Activity of Hydroxyalkylphosphonic Acid Derivatives.
Authors: TYURENKOV I. N. , BREL' A. K. , STREL'TSOVA G. V. , SKLADONOVSKAYA N. N. , NAZARENKO V. N.
Published: May 2016

Hydrolysis of the acetoxyalkylphosphonates (I) previously prepared gives the hydroxyalkylphosphonates (II).
ChemInform Abstract: Stereocontrolled Synthesis of the CDF Part of Aconitum Alkaloids via Intramolecular Double Michael Reaction.
Authors: IHARA M. , ISHIDA Y. , ABE M. , TOYOTA M. , FUKUMOTO K. , KAMETANI T.
Published: May 2016

The title reaction of the ester (II) yields the derivative (III), which is transformed to the product (VIII) via a Wagner‐Meerwein‐type rearrangement of the mesylated precursor (VI).
ChemInform Abstract: On the Chemical Transport of Titanium Silicides with Chlorine and Iodine.
Authors: DO VUONG HOANH DO VUONG HOANH , BIEGER W. , KRABBES G.
Published: May 2016

During the growth of Ti5Si3, TiSi, and TiSi2 by chemical transport reactions using chlorine as transportation agent a transport from hot to cold is observed.
ChemInform Abstract: Storage Properties of Advanced C‐Size Calcium‐Thionyl Chloride Batteries.
Authors: ELSTER E. , COHEN R. , BRAND M. , LAVI Y. , PELED E.
Published: May 2016

The storage properties of two modified Ca‐thionyl chloride batteries are studied.
ChemInform Abstract: Synthesis of a New Liquid Crystal with a 4,4′‐Biphenanthryl Core.
Authors: YAMAMURA K. , OKADA Y. , ONO S. , WATANABE M. , TABUSHI I.
Published: May 2016

Consecutive alkylation of the dihydroxybiphenanthryl (I) with dodecyl bromide (II) and oxidation with chromium trioxide give the biphenanthryltetraone (IV).
ChemInform Abstract: Regio‐ and Face‐Selective 1,3‐Dipolar Cycloadditions to Levoglucosenone.
Authors: BLAKE A. J. , FORSYTH A. C. , PATON R. M.
Published: May 2016

Benzonitrile oxide, generated from benzohydroximoyl chloride (I) by treatment with a base, undergoes cycloaddition reaction with levoglucosenone (II) to yield the fused isoxazoline (III) and a trace of the isomer (IV).
ChemInform Abstract: Chemotherapeutical Agents. Part 7. Synthesis and Pesticidal Activities of Sulfides and Sulfones Derived from Bis(4‐aryl‐1,2,4‐triazoline‐5‐thione‐3‐yl)alkane and 5‐Phenyl‐1,3,4‐oxadiazole‐2‐thione.
Authors: RAM V. J. , VLIETINCK A. J.
Published: May 2016

Bistriazoles such as (I) are treated with alkyl halides such as (II) to yield the corresponding sulfides (III) which are oxidized to form the sulfones (IV).
ChemInform Abstract: Preparation and Properties of, and Reactions with, Metal‐Containing Heterocycles. Part 59. Synthesis and Properties of η2‐Thiophosphinito Complexes of Cobalt.
Authors: LINDNER E. , FRICK K. E. , FAWZI R. , HILLER W. , STAENGLE M. +
Published: May 2016

The title complexes (III) are obtained by the reaction of the derivatives (I) with the sec. phosphine sulfides (II).
ChemInform Abstract: Surface Mediated Radical Recombination Luminescence: O + NO + Ni.
Authors: ARNOLD G. S. , COLEMAN D. J.
Published: May 2016

A red luminescence is observed when O and NO are directed towards an oxidized polycrystalline nickel surface.
ChemInform Abstract: Electro‐Reduction and Coulometric Determination of Titanium(III) in Calcium Nitrate Tetrahydrate Melt.
Authors: BHASKARE C. K. , GANAGE K. N.
Published: May 2016

Polarographic results show the reversibility of the Ti(III)/Ti(II) system in the Ca(NO3)2·4 H2O melt at 55 °C. Therefore, Ti(III) can be successfully determined by coulometric reduction to Ti(II) and its amperometric titration with K2Cr2O7.
ChemInform Abstract: Enantioselective Reaction of Aldehydes with Chiral Alkyltitanium Ate‐Complexes.
Authors: TAKAHASHI H. , KAWABATA A. , NIWA H. , HIGASHIYAMA K.
Published: May 2016

Enantioselective alkylation of the aromatic aldehydes (V) with the alkyl titanium ate‐complexes (IV) is achieved with a maximum enantiomeric excess of 54%.
ChemInform Abstract: A Facile Synthesis of Unsymmetrical Thiolsulfonates via Sulfonylation of Mercaptans.
Authors: RANASINGHE M. G. , FUCHS P. L.
Published: May 2016

The mercaptans (I) are coupled with p‐toluenesulfonyl bromide (II) to form the thiolsulfonates (III).
ChemInform Abstract: Electrochemical Studies of β‐Lactams. Part 3. Electrosynthesis of β‐Lactams via N‐C4 Bond Formation.
Authors: CASADEI M. A. , INESI A. , MICHELETTI MORACCI F. , OCCHIALINI D.
Published: May 2016

A novel and effective synthesis of the β‐lactams (II) is described.
ChemInform Abstract: A Binuclear Dioxomolybdate Chloranilate Complex ((MoO2Cl2)2(C6O4Cl2))2‐, Prepared from the Reaction of a Polyoxomolybdate Anion with Tetrachloro‐1,2‐benzoquinone.
Authors: SHAIKH S. N. , ZUBIETA J.
Published: May 2016

The unusual chemical transformation taking place in the formation of the title complex (I) results from substitution reactions alone with no net redox chemistry of either the metal or ligand center.
ChemInform Abstract: Synthesis of Technetium(V) Complexes Containing Sterically Bulky Thiolate Ligands. Molecular Structure of Tetrabutylammonium Oxotetrakis(2,4,6‐trimethylbenzenethiolato)technetate(V).
Authors: HAMOR T. A. , HUSSAIN W. , JONES C. J. , MCCLEVERTY J. A. , ROTHIN A. S.
Published: May 2016

The square‐pyramidal oxotetrakis(arenethiolato)technetate(V) complexes (III) are prepared according to the scheme.
ChemInform Abstract: 4‐Cyanopyridine‐Bridged Binuclear and Trinuclear Complexes of Ruthenium and Iron.
Authors: KATZ N. E. , CREUTZ C. , SUTIN N.
Published: May 2016

Complex (III) is used to form polynuclear species (V) or (VII).
ChemInform Abstract: A Convenient Preparation of (R)‐7‐(3‐Benzothienylglycylamido)deacetoxycephalosporanic Acid.
Authors: BALOGH D. W. , PATTERSON L. E. , WHEELER W. J.
Published: May 2016

The key step in the synthesis of the title compound (VII) is the coupling of the mixed anhydride (V) with the aminocephemcarboxylic acid (VI).
ChemInform Abstract: Reactivity of Dianionic Hexacoordinated Silicon Complexes Toward Nucleophiles: A New Route to Organosilanes from Silica.
Authors: BOUDIN A. , CERVEAU G. , CHUIT C. , CORRIU R. J. P. , REYE C.
Published: May 2016

The hexacoordinated Si complex (III) is prepared from catechol (I) and silica (II).
ChemInform Abstract: Electron Transfer. Part 93. Further Reactions of Transition‐Metal‐Center Oxidants with Vitamin B12s (Cob(I)alamin).
Authors: PILLAI G. C. , GHOSH S. K. , GOULD E. S.
Published: May 2016

Vitamin B12s (cob(I)alamin) reduces Eu(III), Ti(IV) and U(VI) in aqueous solution.
ChemInform Abstract: Alkali Metal and Ammonium Peroxodiphosphates: Preparation, Vibrational and 31P NMR Spectra, and the X‐Ray Crystal Structure of Ammonium Peroxodiphosphate Dihydrate (NH4)4(P2O8)·2 H2O.
Authors: GRIFFITH W. P. , POWELL R. D. , SKAPSKI A. C.
Published: May 2016

(IV) is obtained by electrolysis in aqueous solution (no yields given).
ChemInform Abstract: Absence of a Common Ion Effect on the Hydrolysis of an α‐Azido Ether of an Aliphatic Aldehyde.
Authors: AMYES T. L. , JENCKS W. P.
Published: May 2016

From the kinetics under varying reaction conditions of the substitution of the acylal (Ib) by N3‐ to (Ic) (and (IV)) and the hydrolysis of the resulting azide (Ic) to aldehyde (IV) it is concluded that the hydrolysis of acetal derivatives does not proceed via diffusionally equilibrated oxocarbonium ions of type R‐CH=O‐Me+ what is believed widely.
ChemInform Abstract: New Access to 2‐(Arylazo)‐, 2‐(Arylhydrazo)‐, and 2‐Aminoindoles, ‐benzofurans, and ‐thianaphthenes.
Authors: BENINCORI T. , SANNICOLO F.
Published: May 2016

The anilines and (thio)phenols (I) are coupled with the hydrazono ketones (II) and then cyclized upon heating in polyphosphoric acid, yielding the benzo‐fused pyrroles, furans, or thiophenes (IV).
ChemInform Abstract: Application of Trichloroethylene in Organic Syntheses. Part 4. Syntheses of 9‐(1,2‐Dichlorovinyl)carbazoles.
Authors: PIELICHOWSKI J. , BOGDAL D.
Published: May 2016

Carbazoles such as (I) react with trichloroethene (II) under phase‐transfer catalysis conditions to give high yields of the title compounds (III), with the E isomers being the main components.
ChemInform Abstract: New Congeners of Antihypertensive and Antithrombotic 7‐Amino or 7‐Acetylamino‐Substituted‐4,4a‐dihydro‐5H‐indeno(1,2‐c)pyridazin‐3‐ones.
Authors: CIGNARELLA G. , BARLOCCO D. , LANDRIANI L. , FOLLONI M. , PINNA G. A. , SALA F. , GERMINI M.
Published: May 2016

The indanone (III), prepared by cyclization of 3‐acetamidohydrocinnamic acid (I), undergoes cyclocondensation with glyoxylic acid (IV) to form the indanylacetic acid (VI) after reduction.
ChemInform Abstract: 4‐Alkoxy‐6‐alkyl‐2‐pyrones as Precursors for 4‐Alkoxy‐6‐alkyl‐2‐aminobenzoic Acid Derivatives.
Authors: TAM T. F. , COLES P.
Published: May 2016

Diels‐Alder reaction of the 4‐alkoxy‐6‐alkyl‐2‐pyrones (I) with dimethyl acetylenedicarboxylate (II) yields the phthalic acid derivatives (III) which are converted to the anthranilic acid derivatives (VII), (IX), or (XI) via Curtius rearrangement.
ChemInform Abstract: η1‐Coordination versus η2‐Coordination in Transition‐Metal Phosphinomethanide Complexes: Synthesis and X‐Ray Structure of Cp2Zr(Cl)(C(PMe2)(SiMe3)2).
Authors: KARSCH H. H. , DEUBELLY B. , HOFMANN J. , PIEPER U. , MUELLER G. +
Published: May 2016

The title compound (III) is characterized by 1H and 31P NMR data as well as by X‐ray structure analysis (space group P21/c, Z=4).
ChemInform Abstract: Preparation, Infrared, 13C, and 119Sn NMR Spectral Studies of Triorganotin(IV) Derivatives of N‐Acetyl‐L‐phenylalanine and N‐Acetyl‐L‐phenylalanylglycine.
Authors: SANDHU G. K. , KAUR G. , HOLECEK J. , LYCKA A.
Published: May 2016

The N‐protected amino acids (I) react with the organo‐tin chlorides (II) to form the stannyl esters (III).
ChemInform Abstract: Application of Free Radical Substitution Reaction into Interconversion of 1‐Alkenyl Sulfides, 1‐Alkenylgermanes, and 1‐Alkenylstannanes.
Authors: ICHINOSE Y. , OSHIMA K. , UTIMOTO K.
Published: May 2016

Vinylic sulfides such as (I) or (IV) react with triphenylgermane (II) or ‐stannane (VI) in the presence of triethylboron to produce the vinylgermanes (III) or (V) or the stannane (VII).
ChemInform Abstract: Intermolecular (2 + 2 + 2) Cycloaddition Reactions of Alkynes and Alkenes Mediated by Cobalt: X‐Ray Crystal Structures of Two Isomeric (η5‐Cyclopentadienyl)(η4‐1,3‐cyclohexadiene)cobalt Complexes.
Authors: MACOMBER D. W. , VERMA A. G. , ROGERS R. D.
Published: May 2016

Treatment of the bicyclic alkenes (I) or (IX) with the alkyne (II) in the presence of the Co complex (III) produces the complex compounds (IV), (V) and (VI) or (X), (XI) and (VI), respectively.
ChemInform Abstract: Electronic Structure of Platinum(II) Antitumor Complexes and Their Interactions with Nucleic Acid Bases. Part 1.
Authors: LIPINSKI J.
Published: May 2016

Electronic structure and intermolecular interactions of the model antitumor Pt(II) complexes with guanine and thioguanine are calculated using the semi‐empirical all‐valence method (GRINDOL).
ChemInform Abstract: Synthesis and Structure of the Tetra‐5,6‐dihydropyrimidino(5,4‐c)carbazole Dichloride Hexachloroplatinate(IV) Tetrahydrate.
Authors: VIOSSAT B. , NGUYEN‐HUY DUNG NGUYEN‐HUY DUNG , LANCELOT J. C. , ROBBA M.
Published: May 2016

K2PtCl4 in H2O reacts with the ligand in HCl to give the title complex (I) (no yield given), which crystallizes in P1 with Z=1.
ChemInform Abstract: Synthesis and Photoelectrochemistry of Polycrystalline Thin Films of p‐WSe2, p‐WS2, and p‐MoSe2.
Authors: CABRERA C. R. , ABRUNA H. D.
Published: May 2016

Polycrystalline thin films of p‐WSe2, p‐WS2, and p‐MoSe2 have reasonable photoelectrochemical properties.
ChemInform Abstract: Surface Coordination Chemistry of Noble‐Metal Electrocatalysts: Oxidative Addition and Reductive Elimination of Iodide at Iridium, Platinum and Gold in Aqueous Solutions.
Authors: RODRIGUEZ J. F. , HARRIS J. E. , BOTHWELL M. E. , MEBRAHTU T. , SORIAGA M. P.
Published: May 2016

On Ir, Pt, and Au electrodes, the iodo species undergoes spontaneous oxidative chemisorption to form a close‐packed monolayer of zero‐valent iodine.
ChemInform Abstract: Reaction of 2‐Aminobenzoylhydrazines with Hexane‐2,5‐dione and β‐Keto Esters: Formation of Pyridazine, Pyrrole and Pyrazolo(5,1‐b)quinazolinone Derivatives.
Authors: REDDY P. S. N. , REDDY P. P.
Published: May 2016

Since fused 1,4‐benzodiazepinones are of therapeutic interest, the synthesis of related systems such as fused 1,3,4‐benzotriazepin‐5‐ones is envisaged.
ChemInform Abstract: Mechanism of Reactions of Some N1‐Substituted Biguanides with Chromium(VI) in Aqueous Sulfuric Acid Media.
Authors: BANERJEE R. , BHATTACHARYA A. , DAS P. K. , CHAKRABURTTY A. K.
Published: May 2016

Among biguanide, some N(1)‐substituted biguanides, and related compounds such as (III) and its N(1)‐phenyl derivative, only (Ia) (and its p‐methoxy derivative (Ib)) reacts with Cr(VI) to give quinone (II) and urea (III).
ChemInform Abstract: Titanium(IV)‐Mediated Aldol‐Type Condensation of Zinc Esters and Zinc Ketones with Carbonyl Electrophiles.
Authors: OCHIAI H. , NISHIHARA T. , TAMARU Y. , YOSHIDA Z.
Published: May 2016

ω‐(Iodozinc) esters such as (I) are coupled with the aldehydes (II) in the presence of chlorotri(isopropoxy)titanium to yield the hydroxy esters (III) and/or the lactones (IV).
ChemInform Abstract: Stereochemistry of the Fluoride Catalyzed Aldol Reaction of Enol Silyl Ethers. Evidence for Another Non‐Chelate Transition State.
Authors: NAKAMURA E. , YAMAGO S. , MACHII D. , KUWAJIMA I.
Published: May 2016

The silyl enol ethers (I) or (IV) are coupled with the aldehydes (II) or (V) in the presence of tetrabutylammonium fluoride, yielding the β‐hydroxy ketones (III) and (VI) with predominance of the erythro isomers.
ChemInform Abstract: A Novel and Efficient Synthesis of 2(5H)‐Furanone Derivatives.
Authors: TANABE Y. , OHNO N.
Published: May 2016

Cross‐aldol reaction of the α‐keto dimethyl acetals (I) with the silyl enol ethers (II) or the ketones (IV) gives the adducts (III).
ChemInform Abstract: Synthesis of 2‐Substituted Thiobenzimidazoles as Possible Bioactive Agents.
Authors: SHUKLA J. S. , FADAYAN M. , KHAN M. M. A. A. , BHAR S. C.
Published: May 2016

The benzimidazolylthioacetyl chlorides (I) are coupled with the anilines (II).
ChemInform Abstract: Efficient Conversion of Oxazoline‐2‐thione to Its 2‐Oxo Derivative.
Authors: ROY J. , MEHROTRA K. N.
Published: May 2016

Three methods, i.e. A)‐C), are found to be suitable for the conversion of (I) to (II).
ChemInform Abstract: Heterocyclic Systems Containing Bridgehead Nitrogen Atom: Synthesis of Thiazolo(3′,2′:2,3) (1,2,4)triazino(5,6‐b)indoles and Isomeric Thiazolo(2′,3′:3,4) (1,2,4)triazino(5,6‐b)indoles.
Authors: MOHAN J. , ANJANEYULU G. S. R. , KIRAN KIRAN
Published: May 2016

Cyclization of N‐heterocycles of type (III) yields the tetracyclic system (IV) and not the isomeric (V).
ChemInform Abstract: Total Syntheses of Marine Sponge Metabolites. Part 3. Stereoselective Total Synthesis of (.+‐.)‐12‐Deoxyscalaradial.
Authors: NAKANO T. , HERNANDEZ M. I. , MARTIN A. , DOMINGO MEDINA J.
Published: May 2016

The title compound (VIII), a representative of the scalaradials from marine sponges, is synthesized starting from the known alcohol (I) via the intermediates shown in the scheme.
ChemInform Abstract: Tumor Inhibition by Organometallics. Activity of Titanocene Derivatives and Some Niobium and Tantalum Compounds.
Authors: YASUDA H. , YASUHARA T. , YAMAMOTO H. , TAKEI K. , NAKAMURA A.
Published: May 2016

The titanocene compounds (I) are active against L1210 cells.
ChemInform Abstract: Chemistry of Polar Intermetallic Compounds. Study of Two Zr5Sb3 Phases, Hosts for a Diverse Interstitial Chemistry.
Authors: GARCIA E. , CORBETT J. D.
Published: May 2016

Samples of the binary phase Zr5Sb3+x (I) (0 ≤ x ≤ 0.4) are prepared by vapor‐phase transport or by annealing mixtures of the elements or arc‐melted products at 1000‐1100 °C. The product crystallizes in the Mn5Si3‐type structure, space group P63/mcm, Z=2.
ChemInform Abstract: Homochiral Ketals in Organic Synthesis. Enantioselective Synthesis of (4S,5S)‐4,5‐Dihydroxycyclopent‐2‐en‐1‐one Isopropylidene Ketal.
Authors: FLANN C. J. , MASH E. A.
Published: May 2016

The acetal (IXa) mentioned in the title and its enantiomer (IXb) are prepared from the chiral cyclopentenone acetal (III) by consecutive bromination, hydroxylation, acetalization, dehydrobromination, and deprotection.
ChemInform Abstract: Molecular Recognition. Part 2. Molecular Recognition of Amino Acids: Two‐Point Fixation of Amino Acids with Bifunctional Metalloporphyrin Receptors.
Authors: AOYAMA Y. , YAMAGISHI A. , ASAGAWA M. , TOI H. , OGOSHI H.
Published: May 2016

The first successful two‐point fixation of amino acids and amino esters in nonionic forms via simultaneous metal‐coordination and hydrogen‐bonding interactions with bifunctional metalloporphyrin receptors is reported.
ChemInform Abstract: Low Pressure Chemical Vapor Deposition of Tantalum Silicide
Authors: REYNOLDS G. J.
Published: May 2016

is performed at pressures of 0.1‐1 torr over the temp. range 620‐700 °C using mixtures of SiH4, TaCl5, H2, HCl, and Ar.
ChemInform Abstract: A New Sulfur‐Bridged Ir(I)‐Ir(I) Compound and Its Conversion to a Compound Containing a Metal‐Metal Bond. Crystal Structures of Ir2(SPh)2(COD)2 and Ir2Cl2(μ2‐SPh)2(COD)2.
Authors: COTTON F. A. , LAHUERTA P. , LATORRE J. , SANAU M. , SOLANA I. , SCHWOTZER W.
Published: May 2016

The thiolate‐bridged binuclear complex (III) is obtained from the methoxide‐bridged analogue (I) by ligand exchange.
ChemInform Abstract: New Compounds of the Weberite Type with the Compositions Na2M(II)M(III)F7 and Ag2M(II)M(III)F7.
Authors: KOCH J. , HEBECKER CHR.
Published: May 2016

In the past few years 35 new compounds of the title composition have been prepared by heating equimolar mixtures of the binary fluorides according to the scheme.
ChemInform Abstract: 11B NMR Studies of the Thermal Decomposition of Ammonia‐Borane in Solution
Authors: WANG J. S. , GEANANGEL R. A.
Published: May 2016

are performed in diglyme, glyme, THF, MeCN, and pyridine.
ChemInform Abstract: Breakdown of the Passive Film on Polycrystal and Single‐Crystal (100) Nickel by Chloride
Authors: LEI K.‐S. , MACDONALD D. D. , POUND B. G. , WILDE B. E.
Published: May 2016

is studied as a function of Cl‐ concentration.
ChemInform Abstract: Reactions of the Superoxochromium(III) Ion with Transition‐Metal Complexes.
Authors: BRYNILDSON M. E. , BAKAC A. , ESPENSON J. H.
Published: May 2016

As shown by kinetic experiments in acidic aqueous solutions at 25 °C and 0.10 M ionic strength, an outer‐sphere electron transfer seems to be the most reasonable mechanistic assignment for the reactions of CrO22+ with substitutionally inert one‐electron‐reducing agents V(H2O)62+, Ru(NH3)62+ , and Co(sep)2+ (sep: 1,3,6,8,10,13,16,19‐octaazabicyclo(6.6.6)eicosane).
ChemInform Abstract: Characterization of Chromia‐Promoted γ‐Iron Oxide Catalysts and Their CO Conversion Efficiency.
Authors: KUNDU M. L. , SENGUPTA A. C. , MAITI G. C. , SEN B. , GHOSH S. K. , KUZNETSOV V. I. , KUSTOVA G. N. , YURCHENKO E. N.
Published: May 2016

The nature of incorporation of Cr3+ ions and the evolution of phases in Cr2O3‐promoted γ‐Fe2O3 prepared under different conditions are studied by DTA, XRD, TEM, IR and Moessbauer spectroscopy.
ChemInform Abstract: Potentially Aromatic Metallocycles.
Authors: BALDRIDGE K. K. , GORDON M. S.
Published: May 2016

Ab initio MO theory is used to characterize a series of heteroatom‐substituted (Si, Ge, Sn, N, P, As, Sb, O, S, Se, Te) benzene and cyclopentadiene structures in terms of their delocalization stabilization (aromaticity).
ChemInform Abstract: Carbon Acidity. Part 76. The Remarkably Low Second pKa of 1‐Naphthylacetic Acid. Lithium Ion Pair Acidity in Tetrahydrofuran.
Authors: GRONERT S. , STREITWIESER A. JUN.
Published: May 2016

The pK measurements show a variation with the concentration of the salts.
ChemInform Abstract: Silica‐Supported Fe‐Pd Bimetallic Particles ‐ Formation from Mixed‐Metal Clusters and Catalytic Activity.
Authors: BRAUNSTEIN P. , DEVENISH R. , GALLEZOT P. , HEATON B. T. , HUMPHREYS C. J. , KERVENNAL J. , MULLEY S. , RIES M.
Published: May 2016

AEM (analytical electron microscopy) investigations on catalysts in the reductive carbonylation of o‐nitrophenol to benzoxalol‐2(3H)‐one are carried out, which are prepared by thermal decomposition of the clusters (I) and (II) on SiO2 supports.
ChemInform Abstract: Chiral Lactols. Part 7. O,O‐ and O,N‐Acetal Formation Using the Enantiomerically Pure exo Anellated Octahydro‐7,8,8‐trimethyl‐4,7‐methanobenzofuran‐2‐ol Protective Group.
Authors: NOE C. R. , KNOLLMUELLER M. + , STEINBAUER G. , JANGG E. , VOELLENKLE H. +
Published: May 2016

The enantiomerically pure lactol (I) exhibits anomeric and enantiomeric selectivity when treated with the racemic hydroxy compounds (II) affording the diastereomers (III) and (IV).
ChemInform Abstract: Regioselective Catalytic Addition Reaction of Proton Donating Reagents to 1‐Alkyl‐3‐cyclopropenecarboxylates. Part 2. Catalytic Reaction of Methyl 1‐Alkyl‐3‐cyclopropenecarboxylates with Hydrogen Halides and Carboxylic Acids.
Authors: SHAPIRO E. A. , PROTOPOPOVA M. N. , NEFEDOV O. M.
Published: May 2016

Copper‐catalyzed reaction of the cyclopropenecarboxylates (I) with the hydrogen halides (II) or the carboxylic acids (IV) gives the olefins (III) or (V).
ChemInform Abstract: Activated Nitriles in Heterocyclic Synthesis: A Novel Synthesis of Fused Pyrimidine, Pyrazole and Thiazole Derivatives.
Authors: IBRAHIM M. K. A.
Published: May 2016

The reaction of the dinitrile (II) with a series of cyclic amidines and active methylene compounds is investigated leading to the corresponding title compounds as is shown for the examples (III), (V) and (VII).
ChemInform Abstract: Cis‐Trans Isomerization of Epoxides Catalyzed by Ruthenium(II) Porphyrins.
Authors: GROVES J. T. , AHN K.‐H. , QUINN R.
Published: May 2016

The cis/trans isomerization of some epoxides such as (I) is found to be catalyzed by ruthenium porphyrin complexes.
ChemInform Abstract: Reduction of Epoxides, α,β‐Unsaturated Aldehydes, and Vicinal Diketones with “Reactive Titanocene”.
Authors: SCHOBERT R.
Published: May 2016

The epoxides (II), (IV), (VI) can be stereoselectively deoxygenated by "reactive titanocene" formed by reduction of the dichloride (I) with Mg to give the alkenes (III), (V), (VII).
ChemInform Abstract: Direct N‐Alkylation of Carboxylic Acid Amides Using Complex Palladium Catalysts.
Authors: SAFUANOVA R. M. , FAKHRETDINOV R. N. , DZHEMILEV U. M.
Published: May 2016

In the presence of a complex palladium catalyst, prepared in situ from palladium(II) acetylacetonate, triphenylphosphine, and triethylaluminum, the acetanilides (I) react with butadiene (II) to give mainly the 2,7‐octadienylamides (III).
ChemInform Abstract: Altered Condensed‐Phase Electron Affinities of Carbonyl‐13C‐, ‐14C‐, and ‐17O‐Substituted Ketones.
Authors: LAURICELLA T. L. , PESCATORE J. A. JUN. , REITER R. C. , STEVENSON R. D. , STEVENSON G. R.
Published: May 2016

Reduction of p‐benzoquinone or benzophenone in liquid NH3 with a deficient amount of Na or K leads to a mixture of the form (Ph212CO).‐M+ + Ph2nCO ⇌ Ph212CO + (Ph2nCO).‐M+ (M: Na or K; n = 13 or 14) with an equilibrium constant deviating from unity.
ChemInform Abstract: 1,3‐Donor/Donor‐Substituted Allenes. Part 6. Transallenation to Allene‐1,1‐dicarboxanilides and Their Thermolysis: A Direct Route to Polycycles. Crystal‐ and Molecular Structure of 7‐(Dimethylamino)‐3,4‐dihydro‐N,N‐dimethyl‐5‐oxo‐2H,5H‐pyrano(4,3‐b)pyran‐8‐carboxamide.
Authors: SAALFRANK R. W. , HILBIG K. , SCHUETZ F. + , PETERS K. , VON SCHNERING H. G.
Published: May 2016

Depending on the bulkiness of the substituents and the reaction temp., the disubstituted malonyl chlorides (I), (IV) react with the conveniently accessible allene (II) by transallenation to give the products (III) or (V).
ChemInform Abstract: Preparation and Isolation of Polyenes Containing up to 15 Double Bonds.
Authors: KNOLL K. , KROUSE S. A. , SCHROCK R. R.
Published: May 2016

Ring‐opening oligomerization of the tricyclodecatriene (I) to give the adducts (V) as an oligomeric mixture is achieved via the metal complexes (III).
ChemInform Abstract: Derivatives of Substituted Propionic Acid as Antiinflammatory Agents.
Authors: SINGH P. , HINGORANI L. L. , TRIVEDI G. K.
Published: May 2016

A simple and facile synthesis of the 4‐acetylaminophenyl esters (IIIa), (IIIb) and (IIIc) of ketoprofen, naproxen and ibuprofen, resp., is achieved under the reaction conditions shown in the scheme.
ChemInform Abstract: Cobalt(II) Tetraphenylporphyrin Catalyzed Decomposition of Bicyclic Endoperoxides.
Authors: SUETBEYAZ Y. + , SECEN H. , BALCI M.
Published: May 2016

The cobalt(II) tetraphenylporphyrin catalyzed decomposition of bicyclic endoperoxides with strained and perturbed diene moieties, e.g. (I), (V), and (VIII), leads to the formation of diepoxides, e.g. (II), (VI), and (IX), and/or epoxy aldehydes such as (III), (IV), and (VII).
ChemInform Abstract: Synthesis, Characterization, and Thermolysis of 7‐Amino‐7‐azabenzonorbornadienes.
Authors: CARPINO L. A. , PADYKULA R. E. , BARR D. E. , HALL F. H. , KRAUSE J. G. , DUFRESNE R. F. , THOMAN C. J.
Published: May 2016

Diels‐Alder cycloaddition reaction of N‐benzylisoindole (I) with the aryne derived from (II) yields the dibenzoazanorbornadiene (III) which is converted to the hydrazine derivative (VIII).
ChemInform Abstract: Asymmetric 1,3‐Dipolar Cycloadditions of Nitrile Oxides Using Simple Chiral Auxiliaries.
Authors: OLSSON T. , STERN K. , SUNDELL S.
Published: May 2016

1,3‐Dipolar cycloaddition reaction of the nitrile oxides (II), generated in situ, with the bornyl crotonates (I), gives a mixture of the diastereo‐ or regioisomeric isoxazolines (III)/(IV) and (V)/(VI).
ChemInform Abstract: Synthesis of Azocine Derivatives from Thioaldehyde Diels‐Alder Adducts.
Authors: VEDEJS E. , STULTS J. S.
Published: May 2016

The phenacyl sulfides (I) and the bridged sulfides (VI) are photochemically or thermally cleaved to give the thioaldehydes (II) which are trapped by the electron‐rich dienes (III), (VII), or (IX) to give the adducts (V), (VIII), and (X) respectively.
ChemInform Abstract: Novel Synthetic Route to 2,3,4‐Trisubstituted 6‐Phenylpyridines.
Authors: AL NAKIB T. , MEEGAN M. J.
Published: May 2016

Reaction of the ketones (III) with malononitrile (II) in the presence of the weak base piperidine yields the pyrancarbonitriles (I) whereas the pyridinecarbonitriles (V) are obtained from (III) and (II) in methanolic NaOH.
ChemInform Abstract: Synthesis of Quinazolinylpyrimidinediones and Their Antiinflammatory Activity.
Authors: KUMAR A. , SINGH S. , SAXENA A. K. , SHANKER K.
Published: May 2016

Ten compounds of type (V) as well as sixteen compounds of type (VI) and of type (X) are synthesized as shown for the examples in the scheme and tested for their pharmacological activity.
ChemInform Abstract: Synthesis of Six‐Membered Heterocycles via the Ring Cleavage of α‐Bromo‐γ‐butyrolactone Promoted by Organotin Alkoxide.
Authors: SHIBATA I. , TOYOTA M. , BABA A. , MATSUDA H.
Published: May 2016

α‐Bromo‐γ‐butyrolactone (II) is cleaved with tributyltin methoxide (I), forming the tin alkoxide (III) which is coupled in situ with the heterocumulenes (IV), (VII), and (X).
ChemInform Abstract: New Synthesis of Pyrido(3,2‐b) (1,4)benzothiazines.
Authors: MCCARTHY E. T. , TYNDALL D. V. , MEEGAN M. J.
Published: May 2016

Reaction of corresponding arylidenebenzothiazinones (I) with malononitrile (II) in the presence of alcohols (III) gives rise to the heterocycles (IV).
ChemInform Abstract: Improved Procedure for Preparation of Optically Active 3‐Hydroxyglutarate Monoesters and 3‐Hydroxy‐5‐oxoalkanoic Acids.
Authors: THEISEN P. D. , HEATHCOCK C. H.
Published: May 2016

The racemic naphthylethanol (±)‐(I), obtained from 1‐naphthaldehyde and methyllithium, is optically resolved by an enzyme‐mediated transesterification procedure.
ChemInform Abstract: Free‐Radical Additions of Diselenides to Dimethyl Acetylenedicarboxylate, Methyl Propiolate, and Dimethyl Maleate.
Authors: BACK T. G. , KRISHNA M. V.
Published: May 2016

Photolysis of the diselenides (I) in the presence of the acetylenes (II) yields a mixture of the stereoisomeric olefins (III) and (IV).
ChemInform Abstract: An Unusual Dinuclear Cobalt Dioxygen Complex with a Tetradentate Thioether‐Imidazole‐Containing Ligand. Structure of (Co2(bidhx)2(O2)(OH))(NO3)3.
Authors: BOUWMAN E. , DRIESSEN W. L.
Published: May 2016

The 1:1 molar reaction of Co nitrate with the tetradentate ligand 1,6‐bis(5‐methyl‐4‐imidazolyl)‐2,5‐dithiahexane in aqueous ethanol and subsequent air‐oxidation lead to the hydroxo‐ and peroxo‐bridged binuclear complex (I).
ChemInform Abstract: Stabilization of 1,2,4,5‐Tetradehydrobenzene by Complexation at Two Nickel(0) Centers.
Authors: BENNETT M. A. , DRAGE J. S. , GRIFFITHS K. D. , ROBERTS N. K. , ROBERTSON G. B. , WICKRAMASINGHE W. A.
Published: May 2016

The binuclear Ni(0) complex (VII) or 1,2,4,5‐tetradehydrobenzene C6H2 is surprisingly easy accessible by the reaction sequence shown in the scheme.
ChemInform Abstract: A Topologically Chiral (2)Catenand.
Authors: MITCHELL D. K. , SAUVAGE J.‐P.
Published: May 2016

The racemic, topologically chiral complex (I) ‐ the chirality is caused by different orientation of the two interlocked rings in (IIa) and (IIb) ‐ is prepared starting from (I).
ChemInform Abstract: μ‐Hydroxo‐ and μ‐Oxobis(μ‐acetato)diruthenium Complexes with Weak Intramolecular Ru...Ru Interactions.
Authors: NEUBOLD P. , WIEGHARDT K. , NUBER B. , WEISS J.
Published: May 2016

Despite an increase in bond order from 1.0 to 1.5 an expansion of the Ru‐Ru bond of 0.084 Å is observed on going from the Ru(III),Ru(III) complex (III), prepared as shown, to the Ru(III),Ru(IV) complex (IV) ‐ an electron is removed from an antibonding molecular orbital.
ChemInform Abstract: Steroids. Part 38. Neighbouring‐Group Participation. Part 9. Preparation of 16α‐Hydroxymethyl‐3‐methoxyestra‐1,3,5(10)‐trien‐17α‐ol and Solvolysis Investigations.
Authors: SCHNEIDER G. , HACKLER L. , SOHAR P.
Published: May 2016

The 16α‐acetoxymethyl group participates in the solvolysis reaction of the tosylate (I) and causes the formation of the diacetate (IV).
ChemInform Abstract: Inter‐ and Intramolecular Hetero‐Diels‐Alder Reactions. Part 24. Synthesis of Strictosidine Analogues by Hetero‐Diels‐Alder Reaction and Their Biomimetic Transformation to Indole Alkaloids.
Authors: TIETZE L. F. , BACHMANN J. , SCHUL W.
Published: May 2016

Tandem Knoevenagel/hetero‐Diels‐Alder reaction of the aldehyde (I) ‐ derived from tryptamine and a mixed malondialdehyde acetal in a 4‐step procedure ‐ with the barbituric acid (II) and the butenyl ether (III) yields a mixture of the strictosidine analogues (IV) and (VII).
ChemInform Abstract: Oxidative Coupling of cis‐3,N‐Bis(methoxycarbonyl)‐N‐norreticuline. An Approach to the Asymmetric Synthesis of Morphine Alkaloids.
Authors: SCHWARTZ M. A. , PHAM P. T. K.
Published: May 2016

Oxidation of the racemic norreticuline derivative (I) with iodosobenzene diacetate results in the formation of a mixture of the norsalutaridine (II) and norisoboldine derivative (III) and the uncoupled quinone (IV).
ChemInform Abstract: Improvements in Oligodeoxyribonucleotide Synthesis Using Phenoxyacetyl as Amino Protecting Group.
Authors: SINGH R. K. , MISRA K.
Published: May 2016

The phenoxyacetyl group can be successfully used for the protection of the exocyclic amino function of purine and pyrimidine bases of 2'‐deoxynucleosides.
ChemInform Abstract: Biologically Active Glycosides from Asteroidea. Part 15. Asymmetric Synthesis of Phytosphingosine and Phytosphingosine Anhydro Base: Assignment of the Absolute Stereochemistry.
Authors: SUGIYAMA S. , HONDA M. , KOMORI T.
Published: May 2016

Grignard reaction of crotonaldehyde (I) yields the racemic enol (±)‐(III), which is resolved to give the (R)‐isomer (III) via asym.
ChemInform Abstract: Conformal Two‐Dimensional SiO2 Layers on Silicon Grown by Low Temperature Corona Discharge.
Authors: LANDSBERGER L. M. , KAO D. B. , TILLER W. A.
Published: May 2016

It is demonstrated that two‐dimensional layers of SiO2 grown via a 900 °C corona in dry oxygen exhibit markedly improved conformity around tight corners when compared with thermally grown oxides.
ChemInform Abstract: 6‐(Alkylamino)‐3‐aryl‐1,2,4‐triazolo(3,4‐a)phthalazines. A New Class of Benzodiazepine Receptor Ligands.
Authors: TARZIA G. , OCCELLI E. , TOJA E. , BARONE D. , CORSICO N. , GALLICO L. , LUZZANI F.
Published: May 2016

The chlorotriazolophthalazines (IV) are prepared by two alternative methods: Oxidative cyclization of the hydrazones (III), derived from the phthalazinylhydrazine (I) and the benzaldehydes (II), yielding the derivatives (IVa).