bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Transition Metal‐Substituted Diphosphenes. Part 13. Synthesis of (η5‐C5Me5)(CO)(NO)Re‐P=P‐C6H2(tBu)3‐(2,4,6) and (η5‐C5Me5)(CO)(NO)Re(Cr(CO)5)P=P‐C6H2(tBu)3‐(2,4,6).
Authors: WEBER L. , MEINE G. , BOESE R. , BLAESER D. +
Published: May 2016

The Re bromide (II) generated as shown reacts with the Li phosphide (III) to give the Re disilylphosphido complex (IV).
ChemInform Abstract: Synthesis and Structure of Carbonyliron Complexes of Allenecarboxylates and Allenic Lactones.
Authors: TRIFONOV L. S. , ORAHOVATS A. S. , PREWO R. , HEIMGARTNER H.
Published: May 2016

On irradiation in the presence of Fe(CO)5 (II), the allene carboxylates (I) afford the binuclear carbonyliron complexes (III), whereas the allenic lactone (IV) gives a mixture of one binuclear (VI) and two mononuclear carbonyliron complexes (V) and (VII).
ChemInform Abstract: A Series of Thallium‐Iron Carbonyl Cluster Molecules: Structural Comparisons of (Et4N)2(Tl2Fe4(CO)16), (Et4N)4(Tl4Fe8(CO)30), and (Et4N)6(Tl6Fe10(CO)36).
Authors: WHITMIRE K. H. , CASSIDY J. M. , RHEINGOLD A. L. , RYAN R. R.
Published: May 2016

Tl trichloride and in situ generated K(HFe(CO)4) react to form K(Tl(Fe(CO)4)2).
ChemInform Abstract: Pentaphosphametallocenes.
Authors: SCHERER O. J. , BRUECK T. + , WOLMERSHAEUSER G. +
Published: May 2016

Thermolysis of white phosphorus (II) and the dimeric Fe carbonyl (I) as well as the monomeric Ru bromide (IV) affords the mixed sandwich complexes (IIIa) and (IIIb).
ChemInform Abstract: Synthesis of a Novel Hexadentate Chelating Agent Based on 8‐Hydroxyquinoline.
Authors: SHRADER W. D. , CELEBUSKI J. , KLINE S. J. , JOHNSON D.
Published: May 2016

8‐Hydroxyquinoline N‐oxide (I) is converted to the carboxylic acid (V).
ChemInform Abstract: Substitution Reactions of Metallic Complexes of 2,2′,2′′‐Triaminotriethylamine. Part 15. Kinetics of the Primary Acid Hydrolysis of the Dichloro(2,2′,2′′‐triaminotriethylamine)cobalt(III) Cation in Water‐Alcohol Mixtures
Authors: WILSON B. A. , MADAN S. K.
Published: May 2016

(in H2O/EtOH, H2O/MeOH, and conc.
ChemInform Abstract: Syntheses of New Ferrocenylphosphinecopper(I) Complexes and Their Application to the Valence Isomerization of Norbornadiene to Quadricyclene.
Authors: ONISHI M. , HIRAKI K. , ITOH H. , EGUCHI H. , ABE S. , KAWATO T.
Published: May 2016

The preparation of (III), their stable mononuclear derivatives (V) (structure not defined) and the monomer (VI) is described.
ChemInform Abstract: Ruthenium(II) Tetraammines, a Useful Model to Compare trans‐Effect and trans‐Influence of Phosphanes.
Authors: CARDOSO DO NASCIMENTO FILHO J. , DE REZENDE J. M. , DOS SANTOS LIMA NETO B. , FRANCO D. W.
Published: May 2016

The substitution reaction shown in the scheme is studied in solution.
ChemInform Abstract: Oligophosphane Ligands. Part 28. C‐H Activation of Benzene and Alkylated Arenes by (Chelate‐Phosphane)ruthenium(0) Fragments.
Authors: DAHLENBURG L. , FROSIN K.‐M.
Published: May 2016

The reduction of (I) with sodium amalgam in aromatic solvents yields the complexes (III) or, in the case of toluene, the isomers (V).
ChemInform Abstract: Metal Complexes with Bridging Dimethylphosphido Ligands. Part 9. Reactivity of the Dinuclear Rhodium(II) Complex (C5Me5Rh(μ‐PMe2))2 Toward Chalcogens and Alkynes. An Example of Double Insertion of Oxygen into Two Rh‐PMe2 Bonds.
Authors: KLINGERT B. , RHEINGOLD A. L. , WERNER H.
Published: May 2016

The title complex (I) reacts with oxygen, sulfur, selenium, and tellurium to give the three different types of products (II), (III), and (IV) as shown in the scheme.
ChemInform Abstract: Palladium(II) Complexes of Diphenylvinyl‐ and Phenyldivinylphosphine.
Authors: RAHN J. A. , HOLT M. S. , O'NEIL‐JOHNSON M. , NELSON J. H.
Published: May 2016

The dichlorobis(phosphine)‐Pd complexes (IIIa) are prepared according to the scheme and converted into the halides (IIIb) by metathetic reaction.
ChemInform Abstract: Pyrrole Ring Cyclopalladation of Hydrazones Derived from N‐(p‐Toluenesulfonyl)‐3‐acetylpyrrole with Acetylhydrazine, Methyl Carbazate, and Semicarbazide.
Authors: NONOYAMA M.
Published: May 2016

Hydrazones (IIIb) and (IIIc) are prepared similarly to (IIIa) using methyl carbazate or semicarbazide.
ChemInform Abstract: Photochemistry of Cyclic α‐Hydroxy Ketones. Part 1. The Nature and Genesis of the Photoproducts from Steroidal 5‐Hydroxy‐6‐keto Steroids and Related Compounds.
Authors: STIVER S. , YATES P.
Published: May 2016

Photolysis of (I) leads to the stereospecific formation of (II); similarly, the 5β‐OH analogues are converted to the epimers of (II) with retention of configuration at C‐5. Control experiments using a number of related compounds and deuterated derivatives of (I) indicate that the reaction proceeds by cleavage of the C‐5/C‐6 bond to give the diradical.
ChemInform Abstract: Amide‐Bond Syntheses Catalyzed by Penicillin Acylase.
Authors: PESSINA A. , LUETHI P. + , LUISI P. L. , PRENOSIL J. , ZHANG Y.
Published: May 2016

The enzymatic synthesis of amide bonds catalyzed by penicillin acylase is investigated both in H2O solution and in organic solvents containing reverse micelles.
ChemInform Abstract: Sugar Amino Acids and Sugar Peptides by Triflate Substitution.
Authors: KOWOLLIK W. , JANAIRO G. , VOELTER W.
Published: May 2016

The oxirane activated triflyl‐β‐L‐ribopyranoside (I) reacts with amino acids or peptides protected at the carboxylic end such as (IIa) or (IIb) to give the amino‐α‐D‐lyxopyranosides (III).
ChemInform Abstract: Asymmetric Synthesis. Part 14. A Short and Efficient Synthesis of 3,5‐Disubstituted Pyrrolizidine Alkaloids via the CN(R,S) Method.
Authors: ARSENIYADIS S. , HUANG P. Q. , HUSSON H.‐P.
Published: May 2016

The protected bromobutanone (I) is coupled with the cyanooxazolopyrrolidine (II) and then decyanated to form the product (IV) which is cleaved upon reaction with the Grignard compound (V), yielding the N‐(hydroxyalkyl)pyrrolidines (VI).
ChemInform Abstract: Incubation of 2,5‐Disubstituted F Acids with Cattle Liver Homogenate.
Authors: DIETEL P. , SPITELLER G.
Published: May 2016

In order to test if the methyl groups in the 3,4‐dimethylated F acids (I) can be introduced enzymatically into the furan ring, the sodium salt of (II) is incubated with cattle liver homogenate at pH 8.65 in the presence of S‐adenosylmethionine and cysteine.
ChemInform Abstract: Synthesis and Biological Activity of (S)‐2′‐Fluorodaunorubicin.
Authors: BAER H. H. , SIEMSEN L.
Published: May 2016

Condensation of the glycosyl bromide (II) with daunomycinone (III) yields the anomers (IVa) and (V).
ChemInform Abstract: Comparative Study of a Kinetic‐Thermometric Method and the Atomic Absorption Cold Vapour Technique for Determination of Mercury Traces and Ultratraces.
Authors: MATEO M. D. , FORTEZA R. , CERDA V. , BAUCELLS M. , LACORT G. , ROURA M.
Published: May 2016

Hg determination by cold vapor AAS is simple and fast and yields reproducible values.
ChemInform Abstract: Growth and Materials Characterization of Native Germanium Oxynitride Thin Films on Germanium.
Authors: HYMES D. J. , ROSENBERG J. J.
Published: May 2016

A simple two‐step thermal reaction process, atmospheric pressure oxidation and subsequent atmospheric pressure nitridation, is developed which yields smooth, uniform native germanium oxynitride films (50‐500 Å) that have high interfacial quality and that are MOSFET process compatible.
ChemInform Abstract: Topical Preparation Methods of Modified Glycerophospholipids
Authors: BOGOMOLOV O. V. , KAPLUN A. P. , SHVETS V. I.
Published: May 2016

Review: (233 refs.
ChemInform Abstract: Electrolytic Growth and Dissolution of Oxide Layers on Silicon in Aqueous Solution of Fluorides
Authors: GERISCHER H. , LUEBKE M. +
Published: May 2016

are investigated with the intention of analyzing the mechanism of its growth and the composition of the oxide produced on the surface.
ChemInform Abstract: Oxygen Evolution Reaction (OER) on Thick Hydrous Nickel Oxide Electrodes.
Authors: GENNERO DE CHIALVO M. R. , CHIALVO A. C.
Published: May 2016

The OER on Ni electrodes covered with thick nickel hydroxide films obtained through application of the repetitive wave potential perturbation technique is analyzed.
ChemInform Abstract: A Potential Iron Pharmaceutical Composition for the Treatment of Iron‐Deficiency Anaemia. The Crystal and Molecular Structure of mer‐Tris(3‐hydroxy‐2‐methyl‐4H‐pyran‐4‐onato)iron(III)
Authors: AHMET M. T. , FRAMPTON C. S. , SILVER J.
Published: May 2016

(I) (space group P21/c, Z=4; variable‐temp.
ChemInform Abstract: Electrostatic Catalysis by Ionic Aggregates. Part 6. Modulation of Proton‐Transfer Equilibria by Lithium Perchlorate‐Diethyl Ether Clusters.
Authors: POCKER Y. , CIULA J. C.
Published: May 2016

It is shown that the proton‐transfer reaction of tropolone with amine bases in Et2O is subject to substantial changes in the apparent equilibrium constant with changes in the concentration of LiClO4.
ChemInform Abstract: Role of the Nature of the Metal Center in the Catalyzed Addition of β‐Dicarbonyls to Electrophilically Activated Nitriles.
Authors: BASATO M. , CORAIN B. , GANDOLFI V. , VERONESE A. C.
Published: May 2016

The catalytic efficiency of a series of acetylacetonato complexes in the reaction of (I) with (II) is estimated quantitatively.
ChemInform Abstract: Isomerization of Terminal Alkenes by the Cp2TiCl2/Mg/BrCH2CH2Br System.
Authors: RAO S. A. , PERIASAMY M.
Published: May 2016

Treatment of 1‐decene (I) with Grignard reagents such as (II) and a catalytic amount of Cp2TiCl2 yields a mixture of the trans‐ and cis‐2‐alkene (III).
ChemInform Abstract: Copper Catalyzed Phenylation of Indoles by Triphenylbismuth Bistrifluoroacetate.
Authors: BARTON D. H. R. , FINET J.‐P. , KHAMSI J.
Published: May 2016

The indoles (I) react with the triphenylbismuth acetates (II) in the presence of copper catalysts to give the 3‐phenylindoles (III).
ChemInform Abstract: Alkyl Group Effects on the Rate Constants and Equilibrium Constants for Formation of Cyclic Tetrahedral Intermediates (II).
Authors: SANTRY L. J. , AZER S. , MCCLELLAND R. A.
Published: May 2016

The rate constants of the ring opening of the intermediates (II) (rate‐limiting step in the hydrolysis of ortho esters (I)) are directly measured through a study of the hydrolysis kinetics of (I).
ChemInform Abstract: Preparation of Allylic Lithium Reagents with the Allylic System Partly Incorporated into Carbocyclic Rings.
Authors: SCRETTAS C. G. , SMONOU I. C.
Published: May 2016

The 1‐(phenylthiomethyl)cycloalkenes (IV) are prepared by the coupling of thioanisole (II) with the enolate anions of the cycloalkanones (I) and subsequent dehydration.
ChemInform Abstract: Alkylation of Pyrocatechol and Resorcinol by Cyclohexene in the Presence of Aluminum Phenolate.
Authors: KOZLIKOVSKII YA. B. , KOSHCHII V. A. , BUTOV S. A. , OVSIYUK T. F.
Published: May 2016

The alkylation reaction between pyrocatechol (I) or resorcinol (VII) and cyclohexene (II), which proceeds in the presence of catalytic amounts of Al(OPh)3, is studied for the first time.
ChemInform Abstract: Applications of Fluorinated 1,3‐Dipolar Compounds as the Building Blocks of Heterocycles with Fluorine Groups. Part 12. Synthesis of Trifluoromethylisoxazolines and Their Rearrangement into Trifluoromethylaziridines.
Authors: TANAKA K. , OHSUGA M. , SUGIMOTO Y. , OKAFUJI Y. , MITSUHASHI K.
Published: May 2016

The trifluoromethylnitrone (IV), generated by dehydration of the hydroxylamine (III), undergoes 1,3‐dipolar cycloaddition with the acetylenes (V) to give the 3‐trifluoromethyl‐4‐isoxazolines (VI).
ChemInform Abstract: Chemical Transformations of 5‐Alkyl‐1,4‐diaza‐ and 5‐Alkyl‐4‐oxa‐1‐azabicyclo(3.3.0)octan‐8‐ones.
Authors: SEDAVKINA V. A. , LIZAK I. V. , SOROKIN N. N.
Published: May 2016

The diazabicyclooctanones (I) are reduced with lithium alanate or coupled with methyl acrylate (III) and butyl isocyanate (V) to give the products (II), (IV), and (VI) without cleavage of the bicyclic system.
ChemInform Abstract: Cyclization Reactions of Nitriles. Part 24. Reactions of Cyanamide Derivatives of Aminothio‐ and Dithiocarbamic Acids with Cyanothioacetamide. Crystal Structure of 2‐Allylamino‐4‐amino‐5‐benzoyl‐1,3‐thiazole.
Authors: NESTEROV V. N. , SHARANIN YU. A. , SHESTOPALOV A. M. , SHKLOVER V. E. , STRUCHKOV YU. T.
Published: May 2016

In the presence of KOH the reaction between allyl isothiocyanate (I) and cyanamide (II), followed by alkylation affords the S‐alkylisoureas (IV).
ChemInform Abstract: Synthesis and Luminescence Spectroscopic Properties of Dibenzo(b,i)phenoxazine and Some of Its Derivatives.
Authors: MARININA L. E. , ALEKSEEVA V. I. , SAVVINA L. P. , LUK'YANETS E. A.
Published: May 2016

Thermal cyclization of the aminonaphthol (I) with the dihydroxynaph‐thalene (II) gives the dibenzophenoxazine (III) which is transformed into the derivatives (V) ‐ (VII) by common methods.
ChemInform Abstract: Studies on Nitrofuran Heterocycles. Part 1. Synthesis and Antibacterial Activity of 7H,6‐(5‐Nitro‐2‐furyl)‐s‐triazolo(3,4‐b)‐1,3,4‐thiadiazines.
Authors: HOLLA B. S. , KALLURAYA B. , SRIDHAR K. R.
Published: May 2016

Cyclocondensation of the 1,2,4‐triazoles (I) with the nitro(bromoacetyl)furan (II) results in the formation of the s‐triazolo(3,4‐b)‐1,3,4‐thiadiazines (III).
ChemInform Abstract: Reaction of 2‐Aminobenzoylhydrazines with Ketones: Synthesis of 3‐Aminoquinazolin‐4(3H)‐ones and 1,3,4‐Benzotriazepin‐5‐one Derivatives.
Authors: REDDY P. S. N. , REDDY P. P.
Published: May 2016

With a view to obtaining 1,3,4‐benzotriazepin‐5‐ones, the reaction of the hydrazine (I) with a series of ketones, e.g. (II), is carried out with the expectation that the ketone hydrazones thus obtained are labile and cyclize to the desired system.
ChemInform Abstract: Silicon Derivatives of Carbazinic Acids. Synthesis of O‐Silyl Urethanes from Hydrazine Salts.
Authors: SHELUDYAKOV V. D. , LEBEDEVA A. B. , KISIN A. V. , NIKISHINA I. S. , LEBEDEV A. V. , KIRILIN A. D.
Published: May 2016

Reaction of the hydrazine salt (I) with the disilazane (II) and carbon dioxide (III) predominantly gives the hydrazodicarboxylic acid derivative (IV).
ChemInform Abstract: Nitrogen‐Tellurium Heterocycles. Part 1. Synthesis of Benzotellurazoles and Its Derivatives.
Authors: ABAKAROV G. M. , SHABSON A. A. , SADEKOV I. D. , GARNOVSKII A. D. , MINKIN V. I.
Published: May 2016

Starting with the trichlorotellurylazobenzene (I), the benzotellurazoles (VII) are prepared via the ditellurides (II) and (IV) and the aryl methyl tellurides (VI).
ChemInform Abstract: Synthesis and Electrode Reactions of Difluorogermanium(IV) Porphyrins. Molecular Stereochemistry and Crystal Structure of Difluoro‐(2,3,7,8,12,13,17,18‐octaethylporphyrinato)germanium(IV).
Authors: GUILARD R. , BARBE J.‐M. , BOUKHRIS A. , LECOMTE C. , ANDERSON J. E. , XU Q. Y. , KADISH K. M.
Published: May 2016

The complexes (II) are characterized by 1H NMR, IR and electronic spectra.
ChemInform Abstract: 1,3‐Bis(trialkylstannyl)propynes and Their Transformations.
Authors: BOGORADOVSKII E. T. , ZAVGORODNII V. S. , PETROV A. A.
Published: May 2016

The title compounds (III), containing a small amount of the isomeric allenes (IV), are obtained by heating the stannylallenes (I) with the stannylamines (II).
ChemInform Abstract: Preparation, Crystal Structure, and Magnetic Properties of an Oligonuclear Complex with 12 Coupled Spins and an S = 12 Ground State.
Authors: CANESCHI A. , GATTESCHI D. , LAUGIER J. , REY P. , SESSOLI R. , ZANCHINI C.
Published: May 2016

The novel cyclohexamer (III) (no yield given) crystallizes in the space group R3 with Z = 6. The temp.‐dependence of the magnetic susceptibility in the range 300‐5 K indicates that (III) is a crown molecule, comprising 12 spins which are antiferromagnetically coupled to give an S = 12 ground state.
ChemInform Abstract: Complexes of Technetium(III) with Sterically Hindered Arenethiolates and Their Interactions with Small π‐Accepting Molecules.
Authors: DE VRIES N. , DEWAN J. C. , JONES A. G. , DAVISON A.
Published: May 2016

The neutral, trigonal‐bipyramidal Tc(III) complexes (IV) containing sterically hindered arenethiolate ligands and two axial π‐accepting ligands are synthesized according to the scheme.
ChemInform Abstract: Mixed‐Metal Carbido Carbonyl Clusters. Part 3. Synthesis and Structural Characterization of (Rh6C(CO)15(Ag(NCMe))2)·0.5MeOH, (Rh6C(CO)15(M‐(PPh3))2) (M: Cu, Ag, or Au), and of the Anion (Rh6C(CO)15(Au(PPh3)))‐ as Its PPh+ 4 Salt.
Authors: FUMAGALLI A. , MARTINENGO S. , ALBANO V. G. , BRAGA D.
Published: May 2016

The new mixed‐metal carbido carbonyl title clusters (IV) and (VII) are prepared according to the scheme shown.
ChemInform Abstract: Surface Organometallic Chemistry: Hydrogenation of Ethylene with Os3(CO)10(μ‐H)(μ‐OSi‐Pol) and Os3(CO)10(μ‐H)(μ‐OPh). Evidence for Cluster Catalysis.
Authors: CHOPLIN A. , BESSON B. , D'ORNELAS L. , SANCHEZ‐DELGADO R. A. , BASSET J. M.
Published: May 2016

The silica‐supported, oxide‐bound cluster (I) is an efficient catalyst for the hydrogenation of ethylene under mild reaction conditions.
ChemInform Abstract: Synthesis and Characterization of the Tetranuclear Phosphinidene Clusters (Os3MH2(CO)12(PR)) (M = Os, R = Ph or cyclo‐C6H11; M = Ru, R = cyclo‐C6H11) and the Crystal and Molecular Structure of (Os4(μ‐H)2(CO)12(μ3‐PC6H11)).
Authors: COLBRAN S. B. , JOHNSON B. F. G. , LAHOZ F. J. , LEWIS J. , RAITHBY P. R.
Published: May 2016

Reaktion of the phosphinidene‐capped Os cluster (I) with Os3(CO)12 (II) affords the tetranuclear clusters (III) (yields given in mg) together with the previously reported penta‐ and hexanuclear clusters Os5(CO)12(PR) and Os6(CO)17(PR).
ChemInform Abstract: Synthesis of Pyrrolo(2,3‐g)benzothiazoles and of Polymethine Dyes Derived from Them.
Authors: DZYUBENKO V. G. , ABRAMENKO P. I.
Published: May 2016

The title compounds (VI) serve as starting materials for the synthesis of the asymmetric polymethine dyes (VII)‐(IX).
ChemInform Abstract: Acyclic Analogues of Nucleosides. Synthesis of Hydroxyalkylbenzimidazole and ‐benzotriazole Derivatives.
Authors: YAVORSKII A. E. , STETSENKO A. V. , ZAVGORODNII S. G. , FLORENT'EV V. L.
Published: May 2016

The benzazoles (I) are coupled with the protected glycerol chlorohydrin (II) to give the dihydroxypropyl derivatives (IIIa) after deprotection.
ChemInform Abstract: Acyclic Analogues of Nucleosides. Synthesis of 1,5‐Dihydroxy‐3‐oxapent‐2‐yl Substituted Nucleic Bases.
Authors: ZAVGORODNII S. G. , EFIMTSEVA E. V. , MIKHAILOV S. N. , TSILEVICH T. L. , YAVORSKII A. E. , FLORENT'EV V. L.
Published: May 2016

The (substituted) nucleic bases (I) are silylated and coupled with the triacetate (II) to give the racemic title compounds (IV) after deprotection.
ChemInform Abstract: Prostanoids. Part 23. Synthesis of 11‐Deoxy PGE1 Analogues with Modified α‐Chain.
Authors: MIFTAKHOV M. S. , AKBUTINA F. A. , VALEEV F. A. , TOLSTIKOV G. A.
Published: May 2016

The reaction between the acetal (I) and Hg(OAc)2, followed by reductive work‐up affords a mixture of the 7‐hydroxyoctenyl derivative (II) and the 2‐tetrahydropyranylethyl derivative (III).
ChemInform Abstract: Regio‐ and Stereospecific Construction of Anthracyclinones: Total Syntheses of (.+‐.)‐γ‐Citromycinone and of (.+‐.)‐Dimethyl‐6‐deoxydaunomycinone and (.+‐.)‐Dimethyl‐6‐deoxyadriamycinone.
Authors: HAUSER F. M. , HEWAWASAM P. , MAL D.
Published: May 2016

The condensation of the isobenzofuranone (I) with the cyclohexenone (II) represents the starting step in the synthesis of the dimethyl ether (VIIIa), the immediate precursor of the desired (±)‐γ‐citromycinone (VIIIb).
ChemInform Abstract: The Oxidation of Some Transition Metal Nitrides and Carbides
Authors: CLARK J. N. , GLASSON D. R. , JAYAWEERA S. A. A.
Published: May 2016

is investigated because their use as refractory materials is limited by their relatively low oxidation temp. (400‐1000 °C).
ChemInform Abstract: Synthetic Zeolites and Aluminophosphates
Authors: TISSLER A. , MUELLER U. + , UNGER K. K.
Published: May 2016

Review: (65 refs.
ChemInform Abstract: The Zeolite‐Modified Carbon Paste Electrode.
Authors: EL MURR N. , KERKENI M. , SELLAMI A. , BEN TAARIT Y.
Published: May 2016

The electrochemical behavior of a Cu(II)‐exchanged zeolite‐modified electrode, constructed by incorporating the zeolite into the carbon powder + paraffin oil matrix used to manufacture a conventional carbon paste electrode, is investigated by cyclic voltammetric measurements.
ChemInform Abstract: Reduction of the Cell Voltage in Copper Electrowinning by Using the Methanol BFE Anode.
Authors: WATANABE M. , UCHIDA M. , MOTOO S.
Published: May 2016

A large reduction of the cell voltage and increase in the operation current density in copper electrowinning is achieved using a backward feed and exhaust (BFE) type methanol anode (diagram of the experimental cell given) instead of an oxygen evolution anode.
ChemInform Abstract: Photophysical and Photochemical Properties of CdS with Limited Dimensions.
Authors: STRAMEL R. D. , NAKAMURA T. , THOMAS J. K.
Published: May 2016

Laponite, porous Vycor glass, and zeolites (faujasite X, sodalite) are used to prepare very small particles of CdS and PbS in restricted and constrained environments.
ChemInform Abstract: Preparation of SrTiO3 by Sol‐Gel Techniques for the Photoinduced Production of H2 and Surface Peroxides from Water.
Authors: THAMPI K. R. , RAO M. S. , SCHWARZ W. , GRAETZEL M. + , KIWI J.
Published: May 2016

A method to prepare SrTiO3 by the citrate route and sol‐gel freeze drying is presented and the prepared titanates are characterized by BET surface area measurements (up to 40 m2/g), XRD, diffuse reflectance spectroscopy, conduction‐band position measurements and electron microscopy.
ChemInform Abstract: Synthesis, Crystal Structure, and Properties of Cesium Ozonide.
Authors: JANSEN M. , HESSE W.
Published: May 2016

Pure CsO3 (III) is synthesized in gram amounts according to the scheme and isolated by subsequent extraction with liquid ammonia.
ChemInform Abstract: Transannular Diels‐Alder Reaction of 14‐Membered Macrocyclic Trienes. Part 2. Experimental Results and Synthetic Potential.
Authors: LAMOTHE S. , NDIBWAMI A. , DESLONGCHAMPS P.
Published: May 2016

The isomeric 14‐membered macrocyclic trienes (II) are prepared from the acyclic chlorotrienes (I) by base‐induced ring‐closure.
ChemInform Abstract: Inductivity and Bridging in Ammonium and Carbenium Ions.
Authors: GROB C. A. , DRATVA A. , GRUENDEL M. + , WANG G.
Published: May 2016

While the Hammett ρ values of the amines (I)‐(III) (from pKa's of the HClO4 salts) are nearly constant (1.03 ± 0.02) and therefore independent of direction and structure of the substituted ammonium ions, the ρ values of the corresponding carbon analogues such as (IV) and (V) (from kinetic data of the solvolysis of the tosylates) vary from ‐0.72 (V) to ‐2.00 (IVa).
ChemInform Abstract: Fluorination of Substituted Veratroles via Regioselective Mercuration.
Authors: LUXEN A. , BARRIO J. R.
Published: May 2016

The dimethoxybenzenes (I) react with mercuric trifluoroacetate (II) to give the organomercury intermediates (III) which are fluorinated with acetoxy fluoride to yield the fluoroveratroles (IV).
ChemInform Abstract: Synthetic Elaboration of Diosphenols. Part 3. Replacement of Enolic Oxygen by Hydrogen.
Authors: PONARAS A. A. , ZAIM OE. + , PAZO Y. , OHANNESIAN L.
Published: May 2016

Reaction of the monoenols (I) of cycloalkane‐1,2‐diones with dimethylthiocarbamoyl chloride (II) gives the corresponding thiocarbamates (III).
ChemInform Abstract: Oxygen and Carbon‐Acylation of Enolates by Ketenes.
Authors: BAIRGRIE L. M. , LEUNG‐TOUNG R. , TIDWELL T. T.
Published: May 2016

The phenyl ketenes (I) are coupled with the lithium enolates (II) to produce the vinyl esters (III).
ChemInform Abstract: 3‐Hydroxypyrroles and 1H‐Pyrrol‐3(2H)‐ones. Part 4. Oxidation of 2‐Monosubstituted and 2‐Unsubstituted Pyrrolones, with an ESR Study of a Dimeric Intermediate.
Authors: MCNAB H. , MONAHAN L. C. , WALTON J. C.
Published: May 2016

Some pyrrolones such as (II), (IV), (VI), (X), and (XI) are prepared, all by the Meldrum's acid pyrolysis method.
ChemInform Abstract: Synthesis and Biological Activity of Some Pyrrole Derivatives. Part 1.
Authors: COCCO M. T. , CONGIU C. , MACCIONI A. , PLUMITALLO A. , SCHIVO M. L. , PALMIERI G.
Published: May 2016

The acetimidates (I) are coupled with the amines (II) to give the amidines (III) which undergo cyclocondensation with the bromomethyl ketones (IV), producing the pyrroles (V).
ChemInform Abstract: Study of the Thermal Transformation of 5‐exo‐Methyleneisoxazolidines to 3‐Pyrrolidinones.
Authors: PADWA A. , MATZINGER M. , TOMIOKA Y. , VENKATRAMANAN M. K.
Published: May 2016

The isoxazolidines (I) and (III), obtained by 1,3‐dipolar cycloaddition reaction of nitrones with electron‐deficient allenes, undergo rearrangement upon thermolysis to produce the 3‐pyrrolidinones (II) and (IV).
ChemInform Abstract: Synthesis and Crystal Structure of 4‐tert‐Butyl‐2(3H)‐oxazolethione.
Authors: MOHANRAJ S. , FORD W. T. , WOOLDRIDGE P. J. , HOLT E. M.
Published: May 2016

Reaction of 1‐bromopinacolone (I) with ammonia (II), followed by treatment with potassium thiocyanate (III), gives the title compound (IV).
ChemInform Abstract: Syntheses and Reactions of 9‐Substituted 10‐Phenylthioxanthenium Salts: Negative Evidence for Thiaanthracene Oligomerization.
Authors: HORI M. , KATAOKA T. , SHIMIZU H. , IKEMORI M. , AOYAMA Y.
Published: May 2016

Phenylation of various thioxanthenes such as (I) gives the 10‐phenylthioxanthenium salts (III), whose stereochemistry is investigated by NMR.
ChemInform Abstract: Trifluoromethanethiolate Ion. Part 3. Reactions with Tetrafluoropyridazine and Tetrafluoropyrimidine.
Authors: DMOWSKI W. , HAAS A.
Published: May 2016

The reaction of the title compounds (III) and (VI) with the fluoride (II) yields mono‐, di‐, and trisubstituted products (for (V) and (VII) yields given in g).
ChemInform Abstract: Synthesis of Dibenzoheptalene Bislactones via a Double Intramolecular Cannizzaro Reaction.
Authors: MOORE J. A. , ROBELLO D. R. , REBEK J. JUN. , GADWOOD R.
Published: May 2016

Starting with the tetraaldehyde (I), a mixture of the intramolecular Cannizzaro products (II) and (III) is synthesized.
ChemInform Abstract: Synthesis of Extended Acyclic Azathienes with Aromatic Substituents.
Authors: ZIBAREV A. V. , KONCHENKO S. N. , FEDOTOV M. A. , FURIN G. G.
Published: May 2016

The thiaazapolyenes (III) ‐ (V), (VII), (X), and (XIII) with alternating S and N atoms are prepared as shown in the reaction scheme.
ChemInform Abstract: Chemistry of Polynuclear Metal Complexes with Bridging Carbene or Carbyne Ligands. Part 72. Di‐ and Trimetal Compounds Prepared from the Alkylidyne Tungsten Complexes (W(CR)(CO)3(H2B(pz)2)) (R: C6H4Me‐4 or Me, H2B(pz)2 = dihydrobis(pyrazol‐1‐yl)borate).
Authors: BERMUDEZ M. D. , BROWN F. P. E. , STONE F. G. A.
Published: May 2016

The alkylidynetungsten complexes (III), containing the bis(pyrazolyl)borato ligand, are prepared and can be used as precursors for a variety of compounds containing heteronuclear metal‐metal bonds.
ChemInform Abstract: Reactive π‐Complexes of the Electron‐Rich Transition‐Metals. Part 5. Alkyne(arene)cobalt, μ‐Alkyne‐bis(arenecobalt), and μ‐Benzylidyne‐tris(arenecobalt) from Arene/Cobalt Cocondensates.
Authors: VASQUEZ L. , PRITZKOW H. , ZENNECK U.
Published: May 2016

The prototypic arene‐Co complexes (III), (IV), and (V) are formed on reaction of butyne (II) with the cocondensates (I) or of the cocondensate (Ib) in the presence of acetonitrile.
ChemInform Abstract: Importance of Intermediate Charge‐Transfer Complex Formation in the Model Reaction for Laccase.
Authors: NISHIDA Y.
Published: May 2016

The oxidation of N,N,N',N'‐tetramethyl‐p‐phenylenediamine by O2 in DMF/MeOH is catalyzed by (Ib) and especially by (Ia), while the Mn‐complex (Ic) shows no effect.
ChemInform Abstract: Acid‐Catalyzed Terpenylations of Olivetol in the Synthesis of Cannabinoids.
Authors: CROMBIE L. , CROMBIE W. M. L. , JAMIESON S. V. , PALMER C. J.
Published: May 2016

Examination of the acid‐catalyzed reaction of the trans‐car‐2‐ene epoxide (I) with olivetol (II) shows that, inconsistently with the accepted mechanism, the p‐ and o‐cannabidiols (III) and (IV) are produced as well as the Δ1‐ and Δ6‐tetrahydrocannabinols (V) and (VI).
ChemInform Abstract: A Simple and Versatile Route to Ketomethylene Dipeptide Analogs.
Authors: GARCIA‐LOPEZ M. T. , GONZALEZ‐MUNIZ R. , HARTO J. R.
Published: May 2016

The N‐protected aminoalkyl chloromethyl ketones (I) are transhalogenated with sodium iodide and then coupled with dimethyl malonate (II) to give the substitution products (III).
ChemInform Abstract: 17O NMR Kinetic Study of Water Exchange on the Lanthanoid(III) Aqua Ions.
Authors: COSSY C. , HELM L. , MERBACH A. E.
Published: May 2016

Water exchange activation parameters are obtained for six Ln3+ ions (Ln: lanthanoids) by combining the chemical shifts (measured for Ln(ClO4)3/HClO4 solutions) and the longitudinal and the transverse relaxation rates.
ChemInform Abstract: Identification and Characterization of Ammonium Polysulfides in Solution in Liquid Ammonia
Authors: DUBOIS P. , LELIEUR J. P. , LEPOUTRE G.
Published: May 2016

is performed by UV/VIS spectrophotometry and Raman spectroscopy.
ChemInform Abstract: Electrochemical Studies of Niobium Chlorides in “Superdry” Acetonitrile: Electron‐Transfer‐Induced Ligand‐Exchange Reactions.
Authors: KIRK J. R. , PAGE D. , PRAZAK M. , KATOVIC V.
Published: May 2016

The electrochemical properties of (Et4N)(NbCl6), (Et4N)2(NbCl6), NbCl5, and (NbCl4)(NCMe)2 are systematically studied in carefully dried MeCN (10‐5 M H2O) by cyclic voltammetry and constant‐potential electrolysis.
ChemInform Abstract: Ammine Ligand Exchange in Tetraamminegold(III) in Aqueous Solution. Composition of Transition States and Relative Reactivity of Tetraamminegold(III) and Its Conjugated Base, Amidotriamminegold(III).
Authors: BROENNUM B. , JOHANSEN H. S. , SKIBSTED L. H.
Published: May 2016

The temp. dependence of the rate of exchange of NH3 between (Au(NH3)4)3+ (I) and ammonia in an aqueous 1 M NH4ClO4 solution is studied by 15N‐labeling in the pH range 5‐10. At constant pH, the exchange follows second‐order kinetics.
ChemInform Abstract: Pillaring of Layered Double Hydroxides (LDH′s) by Polyoxometalate Anions.
Authors: KWON T. , TSIGDINOS G. A. , PINNAVAIA T. J.
Published: May 2016

Pillaring of the LDH's with idealized formulas of (Zn2Al(OH)6)Cl·2 H2O, (Zn2Cr(OH)6)Cl·2 H2O, and (Ni3Al(OH)8)Cl·2.3 H2O is achieved by ion exchange with (NH4)6(V10O28)·6 H2O at pH 4.5.
ChemInform Abstract: Double Molybdates of Copper or Zinc and Thallium(I).
Authors: ARKHINCHEEVA S. I. , BAZAROVA ZH. G. , MOKHOSOEV M. V. , KHAZHEEVA Z. I. , FEDOROV K. N. , SURANOVA N. A.
Published: May 2016

The solid phase reaction between the molybdates (I) and (II) yields the novel title compounds (III) and (IV).
ChemInform Abstract: Thiolysis of Malonic Dinitrile.
Authors: GATTOW G. , MANZ W.
Published: May 2016

The title compound (III) adds H2S (II) to give the dithiodiamide (I) in the presence of a strong base, while the reaction stops after the first step to yield (IV) in a weakly basic solution.
ChemInform Abstract: Some Reactions of α,β‐Unsaturated Acyl Isothiocyanates.
Authors: ABED N. M. , ELAGAMEY A. G. A. , SOWELLIM S. Z. , HARB A.‐F. A.
Published: May 2016

The α,β‐unsaturated acyl isothiocyanates (I) react with the heterocyclic amines (II) to yield the thiourea derivatives (III).
ChemInform Abstract: Chiral Bicyclic O,N‐Bis(diphenylphosphino)aminoalkanols as Ligands for Enantioselective Metal Complex Hydrogenation Catalysts.
Authors: DOEBLER C. + , KREUZFELD H.‐J. , PRACEJUS H.
Published: May 2016

Starting with the epoxide (I), the chiral diphenylphosphino ligands (V) are prepared as shown in the reaction scheme.
ChemInform Abstract: Competition between Allylic Substitution and Michael Addition with Carbanions α to Nitriles.
Authors: CHARDON C. , PETIT A. , ROUX‐SCHMITT M.‐C. , SEYDEN‐PENNE J.
Published: May 2016

Methyl 4‐bromo‐4‐methylcrotonate (I) reacts with the arylacetonitriles (II) in the presence of n‐butyllithium or other bases to yield the allylic substitution products (III), together with minor amounts of the compounds (IV).
ChemInform Abstract: Thioketene Syntheses. Part 8. Thioketenes by (3 + 2) Cycloreversion of 1,3‐Dithiolane Derivatives.
Authors: SCHAUMANN E. , SCHEIBLICH S. , WRIEDE U. , ADIWIDJAJA G.
Published: May 2016

Sulfones such as (I) are deprotonated at C‐5 by KO‐tBu or BuLi at ‐78 °C and subsequently undergo ring‐opening upon slow warming.
ChemInform Abstract: Ruthenium Catalyzed N‐Methylation of Aminoarenes Using Methanol.
Authors: HUH K.‐T. , TSUJI Y. , KOBAYASHI M. , OKUDA F. , WATANABE Y.
Published: May 2016

The aniline derivatives (I) and (IV) are methylated with methanol (II) in the presence of catalytic amounts of ruthenium trichloride hydrate/ tributyl phosphite or dichlororuthenium tristriphenylphosphine complex to yield the corresponding N‐methylation products (III) and (V).
ChemInform Abstract: Aliphatic Liquid Crystals. Part 9. Stereospecific Reduction of 1‐Acyl‐ to 1‐Alkyl‐4‐phenylcyclohexanes.
Authors: SUCROW W. , HEIDER R. , JORASCHEK N.
Published: May 2016

The trans‐ and cis‐acylcyclohexanes (IV) and (V) are prepared from the ketone (I).
ChemInform Abstract: (4 + 2) Cycloadditions of Substituted Homobenzoquinones with Cyclopentadiene.
Authors: ADAM W. , KLIEM U. , LUCCHINI V. , PETERS E.‐M. , PETERS K. , VON SCHNERING H. G.
Published: May 2016

The Diels‐Alder reaction of the homobenzoquinones (I) having cyano‐substituted cyclopropane rings with cyclopentadiene (II) affords the endo/anti (III) and exo/syn (IV) cycloadducts, the former preferred by four‐ to five‐fold.
ChemInform Abstract: Potential ZNS‐Effective, Tricyclic Compounds with a Bridged Middle Ring. Part 1. Reaction of Benzo(c)furans with Benzyne.
Authors: LINDE H. , CRAMER G.
Published: May 2016

Diels‐Alder reaction of dehydrobenzene (II), in situ prepared from anthranilic acid (I) by treatment with pentyl nitrite, with the furans (III) gives the epoxynaphthalenes (IV) which are hydrogenated to yield the epoxytetralins (V).
ChemInform Abstract: Furan Derivatives. Part 9. Synthesis and Properties of Cyclohepta(cd)benzofurans.
Authors: HORAGUCHI T. , TANEMURA K. , SUZUKI T.
Published: May 2016

The cycloheptabenzofurans (IV) are obtained by ring closure of the carboxylic acids (III) in acetic anhydride.
ChemInform Abstract: Action of New Iminium Compounds on Selected Strains of Bacteria and Fungi. Part 20. Synthesis of 1‐Methyl‐2‐alkyl‐3‐(n‐alkoxymethyl)‐ and 1‐Methyl‐3‐(n‐alkoxymethyl)‐5‐chloroimidazolium Chlorides.
Authors: PERNAK J. , KRYSINSKI J. , SKRZYPCZAK A. , MICHALAK L.
Published: May 2016

The imidazoles (I) are alkylated with the chloromethyl ethers (II) to give the N‐(alkoxymethyl)imidazolium chlorides (III).
ChemInform Abstract: Synthesis of 2,2′‐Dithiobis‐ and 2,2′‐Trithiobis‐3‐pyridinecarboxylic Acid Derivatives as New Potential Radiosensitizers/Radioprotectors.
Authors: MONGE A. , MARTINEZ‐MERINO V. , FERNANDEZ‐ALVAREZ E.
Published: May 2016

The thioxopyridinecarboxylic acid (I), prepared from 2‐chloronicotinic acid, is converted to the bischlorocarbonyl substituted di‐ (II) or trisulfides (VII).
ChemInform Abstract: Synthesis and Antibacterial Effect of Derivatives of 5‐(3,4,5‐Trimethoxybenzyl)‐pyrimidine, ‐tetrahydropyrimidine, ‐hexahydropyrimidine and ‐hydantoin.
Authors: KUJUNDZIC N. , KOVACEVIC K. , JAKOVINA M. , GLUNCIC B.
Published: May 2016

Pyrimidine derivatives (I)‐(III) and hydantoins (IV) are prepared by conventional routes.
ChemInform Abstract: Studies on 1,3‐Thiazines. Part 38. Salts of Iminium Carbonic Acid Derivatives. Part 2. Synthesis of N‐Substituted 2‐Chloro‐5,6‐dihydro‐4H‐1,3‐thiazinium Salts and Their Reactions with Primary Amino Compounds.
Authors: HANEFELD W. , BORHO B.
Published: May 2016

The tetrahydrothiazinethiones (I) are converted into the chlorodihydrothiazinium chlorides (II) upon treatment with SOCl2 or COCl2.
ChemInform Abstract: Structural Studies of Organoboron Compounds. Part 28. 5,5‐Trimethylene‐2,2‐diphenyl‐1,3‐dioxa‐5‐azonia‐2‐boratacyclohexane and 5,5‐Dimethyl‐2,2‐diphenyl‐1,3‐dioxa‐5‐azonia‐2‐boratacyclohexane Monohydrate.
Authors: KLIEGEL W. , RETTIG S. J. , TROTTER J.
Published: May 2016

The title compounds (IV) are prepared by N‐alkylation of the sec. amines (I) by formaldehyde (II) and capture of the intermediary, labile ammonium inner salts as diphenylboron chelates using (Ph2B)2O (III) or Ph2BO(CH2)2NMe2 or BPh3.
ChemInform Abstract: Sulfur Halides. Part 21. Trifluoromethyl‐difluoro and ‐dibromosulfonium(IV)‐metallates(V).
Authors: MINKWITZ R. , LEKIES R. , WERNER A.
Published: May 2016

The intermediate BrF, formed from Br2 and MF5, reacts with (I) to give the title compounds (IV) via the sulfuranes (II).
ChemInform Abstract: The Reaction of Cyclic Bis(η5‐cyclopentadienyl)(1,2,3‐triphenyltriphosphane‐1,3‐diyl)zirconium(IV)# , (Cp2Zr(PPh‐PPh‐PPh)), with Ethyl Diazoacetate (Cp = η5‐C5H5).
Authors: HEY E. , WELLER F.
Published: May 2016

The title reaction leads via insertion of the diazo group into both the Zr‐P bonds to the formation of (III), which contains a novel triphosphine‐1,3‐bis(hydrazenido) ligand.
ChemInform Abstract: Effect of Solvent and Strong Base on Electrochemical and Chemical Behavior of Copper Tetraaza Macrocyclic Complex.
Authors: LABUDA J. , PLASKON V. , PAVLISHCHUK V. V.
Published: May 2016

The title complex (I) is supposed to operate as a Lewis acid.
ChemInform Abstract: Synthesis and Characterization of Copper(I) Complexes of 4‐Methylquinoline, and X‐Ray Crystal Structure of a Discrete, Centrosymmetric (Cu2Cl2(4‐methylquinoline)3)2 Complex with a Cu4Cl4 Core of “Step” Geometry.
Authors: MAK T. C. W. , GOHER M. A. S. , HAFEZ A. K.
Published: May 2016

The 1:1, 1:2, and 2:3 Cu(I) complexes (I), (II), and (III) of the title ligand are synthesized by stoichiometric reaction of Cu(II) nitrate or chloride with the ligand in the presence of L‐ascorbic acid in refluxing ethanol or acetone, mostly followed by anion exchange.
ChemInform Abstract: Metal Complexes with Biologically Important Ligands. Part 45. Palladium(II) Complexes of Dehydro‐α‐amino and 2‐Imino Acid Esters as Ligands.
Authors: WANJEK H. , NAGEL U. , BECK W.
Published: May 2016

The preparation of the title complexes (III), (V), (VII) and (X) is shown in the scheme.
ChemInform Abstract: Metal Pseudohalides. Part 45. Nitrosodicyanomethanide Complexes of Palladium(II) and Platinum(II).
Authors: KOEHLER H. + , JESCHKE M. , KOLBE A.
Published: May 2016

The anionic and neutral nitrosodicyanmethanide complexes (III) and (V) are prepared according to the scheme shown.
ChemInform Abstract: Lignan Lactone Antitumor Agents. Part 4. Synthesis of Glycosidic Lignan Variants Related to α‐Peltatin.
Authors: SAITO H. , NISHIMURA Y. , KONDO S. , TAKEUCHI T. , UMEZAWA H.
Published: May 2016

The compound (VIa), synthesized starting from α‐peltatin (I), shows an antitumor activity which is superior to that of VP‐16‐213 (VIb) (= etoposide) used for cancer chemotherapy.
ChemInform Abstract: A Two‐Dimensional 29Si NMR Spectroscopic Study of the Structure of the Silicate Anions Present in an Aqueous Potassium Silicate Solution.
Authors: KNIGHT C. T. G.
Published: May 2016

The results of 29Si NMR homonuclear correlation spectroscopy (COSY) obtained for a 1.5 M (1:1) potassium silicate solution (95.3% 29Si, D2O) show the simultaneous presence of 22 different silicate anions in solution.
ChemInform Abstract: H2 Evolution from Various Aqueous Solutions Over Thermally Reduced TiO2 and Pt‐TiO2 Powder
Authors: KUDO A. , DOMEN K. , MARUYA K. , ONISHI T.
Published: May 2016

is studied in the dark.
ChemInform Abstract: A Rapid and Direct Electrochemical Synthesis of K2(MoOF5)
Authors: CHAKRAVORTI M. C. , BANDYOPADHYAY D.
Published: May 2016

is achieved by oxidation of a sacrificial Mo anode in a solution containing 20% HF followed by the addition of KF.
ChemInform Abstract: Anion Coordination Chemistry. Part 3. Second‐Sphere Interaction Between the Complex Anions Hexacyanoferrate(II) and Hexacyanocobaltate(III), with Polycharged Tetraazamacrocycles. Thermodynamic and Single Crystal X‐Ray Studies.
Authors: BIANCHI A. , MICHELONI M. , ORIOLI P. , PAOLETTI P. , MANGANI S.
Published: May 2016

Thermodynamic parameters for the formation of 1:1 complexes of the tetraprotonated form of the macrocycle (I) and the anions (Fe(CN)6)4‐ and (Co(CN)6)3‐ are determined at 25 °C by potentiometric techniques and by direct microcalorimetry.
ChemInform Abstract: Experimental Tests of Models to Predict Nucleophilic Addition Stereochemistries.
Authors: MUKHERJEE D. , WU Y.‐D. , FRONCZEK F. R. , HOUK K. N.
Published: May 2016

A comparison of the stereoselectivities for (III) obtained experimentally or by predictions based on the modified MM2 model indicates that only the latter model or Felkin's torsional strain model can be used for correct predictions.
ChemInform Abstract: Evaluation of Some Cyclic Dipeptides as Catalysts for the Asymmetric Hydrocyanation of Aldehydes.
Authors: JACKSON W. R. , JAYATILAKE G. S. , MATTHEWS B. R. , WILSHIRE C.
Published: May 2016

A series of cyclic peptides (I) is prepared by conventional methods and evaluated as catalysts for the asym.
ChemInform Abstract: Synthesis of Bicyclic Keto Silanes by Tandem Rearrangement of Silylacetylenic Ketones.
Authors: KENDE A. S. , HEBEISEN P. , NEWBOLD R. C.
Published: May 2016

Heating of the ketone (I) leads to the final product (II) which arises in a multiple rearrangement sequence.
ChemInform Abstract: Dimers Derived from 10‐Trispiro(2.0.2.0.2.1)decyclidene: New Hydrocarbons with Interesting Structural Features.
Authors: DE MEIJERE A. , WENCK H. , KOPF J.
Published: May 2016

The relatively easily accessible spiroketone (I) is converted to its tosyl hydrazone which, in turn, is converted to its sodium salt.
ChemInform Abstract: Palladium‐Catalyzed Arylation of Siloxycyclopropanes with Aryl Triflates. Carbon Chain Elongation via Catalytic Carbon‐Carbon Bond Cleavage.
Authors: AOKI S. , FUJIMURA T. , NAKAMURA E. , KUWAJIMA I.
Published: May 2016

The title reaction allows the functionalization of various aromatic nuclei including heteroaromatic systems to give aromatic keto compounds such as (III).
ChemInform Abstract: The Dealkylation of ortho‐Alkoxy Aromatic Ketones and Aldehydes.
Authors: GILLIES I. , LOFT M. S.
Published: May 2016

The o‐formyl‐ or o‐acetylphenol ethers (I) are selectively cleaved upon treatment with lithium N‐methylpiperidide and butyllithium, producing the corresponding phenols (II).
ChemInform Abstract: Synthesis and Chiroptical Properties of C3‐Perhydrotriquinacene Derivatives.
Authors: ALMANSA C. , MOYANO A. , SERRATOSA F.
Published: May 2016

The dextrorotatory title compound (IX) is prepared in 17% overall yield starting from the optically pure dextrorotatory lactam (I), which is known to possess (1R,5S)‐configuration.
ChemInform Abstract: Synthesis and Antiulcer Activities of Sodium Alkylazulenesulfonates.
Authors: YANAGISAWA T. , WAKABAYASHI S. , TOMIYAMA T. , YASUNAMI M. , TAKASE K.
Published: May 2016

The alkylazulenesulfonates (VII) are prepared from the cycloheptafuranone (III) by reaction with the aldehydes (IV), followed by acid‐induced decarboxylation and sulfonation with sulfur trioxide ‐ pyridine complex (VI).
ChemInform Abstract: Several Polycyclic Valence Isomers of Dimethyl(14)annulene‐1,8‐dicarboxylate. Reactivity of a “Nonconjugated” Bis(bicyclo(1.1.0)butane).
Authors: CHRISTL M. , FREUND S. , HENNEBERGER H. , KRAFT A. , HAUCK J. , IRNGARTINGER H.
Published: May 2016

Photolysis of the known azo compound (I) leads to the diolefinic bis(bicyclobutane) (III), whereas sensitized photolysis of (I) as well as that of (III) yields the saturated isomer (IV).
ChemInform Abstract: Synthesis of 2,3‐Dihydro‐1H‐phenalene Derivative by the Intramolecular Diels‐Alder Reaction of Benzyne with Furan.
Authors: DARLINGTON W. H. , SZMUSZKOVICZ J.
Published: May 2016

The phenalene derivative (XIII) mentioned in the title is synthesized as shown in the reaction scheme.
ChemInform Abstract: New Methods for β‐Lactam Formation from β‐Amino Acids Using (C6H5)3P/ CCl4 and (C6H5)3P/NBS.
Authors: KIM S. , LEE P. H. , LEE T. A.
Published: May 2016

The β‐amino acids (I) and (III) undergo dehydrative ring closure in the presence of Ph3P and CCl4 or NBS, forming the β‐lactams (II) or (IV).
ChemInform Abstract: Synthesis from D‐Mannose of 1,4‐Dideoxy‐1,4‐imino‐L‐ribitol and of the α‐Mannosidase Inhibitor 1,4‐Dideoxy‐1,4‐imino‐D‐talitol.
Authors: FLEET G. W. J. , SON J. C. , GREEN D. ST. C. , CENCI DI BELLO I. , WINCHESTER B.
Published: May 2016

The synthesis of the title compounds (V) and (VII) is accomplished starting from the mannose derivative (I) which is transformed to the key precursor (II) by a known procedure and subsequent dimesylation.
ChemInform Abstract: Phosphorus Pentoxide in Organic Synthesis. Part 34. Synthesis of 3‐Arylthieno(2,3‐d)pyrimidin‐4(3H)‐imines and Their Rearrangement to N‐Arylthieno(2,3‐d)pyrimidin‐4‐amines.
Authors: MOGENSEN J. , JOERGENSEN A. , PEDERSEN E. B.
Published: May 2016

Under the optimized conditions shown in the scheme, the title compounds (III) can be obtained in good yields.
ChemInform Abstract: Reaction of Salts of Hypophosphorous Acid with Alkyl Halides.
Authors: DEVEDJIEV I. , GANEV V. , STEFANOVA R. , BORISSOV G.
Published: May 2016

The potassium salt (I) of hypophosphorous acid reacts with the alkyl halides (II) to give the phosphonous acid esters (III), whereas the sodium salt (V) yields hypophosphorous acid (VI) and the alcohols (VII) under similar conditions.
ChemInform Abstract: Synthesis and Reactivity of an Unusual Oxidation Product of (C5H5Mo(μ‐S)(μ‐SH))2.
Authors: TANNER L. D. , HALTIWANGER R. C. , NOORDIK J. , DUBOIS M. R.
Published: May 2016

The reaction of the title compound with 1 equiv. phenylacetylene (II) in air leads to a mixture of products from which two major compounds, a new complex (III) and the known (IV), are isolated by chromatography.
ChemInform Abstract: Structures and Reactivities of Cyclopentadienylmolybdenum Complexes with Oxo and Sulfido Ligands.
Authors: TANNER L. D. , HALTIWANGER R. C. , DUBOIS M. R.
Published: May 2016

Solutions of (I) in CH2Cl2 react in air to produce the oxo‐containing products syn‐(IIa) and anti‐(IIIa).
ChemInform Abstract: Synthesis of Bis(bis(trimethylsilyl)amido)iron(II). Structure and Bonding in M(N(SiMe3)2)2 (M: Mn, Fe, Co): Two‐Coordinate Transition‐Metal Amides.
Authors: ANDERSEN R. A. , FAEGRI K. JUN. , GREEN J. C. , HAALAND A. , LAPPERT M. F. , LEUNG W.‐P. , RYPDAL K.
Published: May 2016

The Fe title complex (III) is prepared as shown.
ChemInform Abstract: Synthesis and Structural Characterization of Copper(I) Cupracarboranes. A Novel “Pinwheel” Cluster.
Authors: KANG H. C. , DO Y. , KNOBLER C. B. , HAWTHORNE M. F.
Published: May 2016

Depending on the molar ratio of the reactants and the presence or absence of the source of countercation or triphenylphosphine the four novel cupracarboranes (IV)‐(VII) are synthesized as shown in the scheme.
ChemInform Abstract: Complexes of Platinum(II) Containing 2,2′‐Bithiazoline and 2,2′‐Bipyrimidine as Binucleating Ligands.
Authors: LANZA S. , ROTONDO E.
Published: May 2016

The mononuclear 2,2'‐bithiazoline‐Pt(II) complexes (III) and their binuclear HgCl2 derivatives (V) are prepared according to the scheme.
ChemInform Abstract: Synthesis of N‐Benzyloxycarbonyl‐L‐α‐aminoadipic Acid, α‐Benzyl Ester.
Authors: BALDWIN J. E. , KILLIN S. J. , ADLINGTON R. M. , SPIEGEL U.
Published: May 2016

A novel, facile, and economical route leading to the title compound (IX) is described.
ChemInform Abstract: Aldol Reaction of Iododifluoroacetate‐Zn and 2,2‐Difluoroketene Silyl Acetal.
Authors: KITAGAWA O. , TAGUCHI T. , KOBAYASHI Y.
Published: May 2016

The iodoacetate (I) reacts with zinc powder to form an unstable Reformatsky intermediate which is directly trapped with the silyl chlorides (II) or the aldehydes (IV), producing the ketene acetals (III) or the aldol adducts (V).
ChemInform Abstract: Effect of ZrO2 Inclusions on the Sinterability of Al2O3.
Authors: LANGE F. F. , YAMAGUCHI T. , DAVIS B. I. , MORGAN P. E. D.
Published: May 2016

It is demonstrated that the two‐phase Al2O3/ZrO2 powder compacts (2 and 10 vol.% ZrO2) require a higher sintering temp. to achieve a comparable density relative to their constituents.