bluuebunny/crossref_metadata_2025_split huggingface dataset:
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

AbstractPhotolysis 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

AbstractThe 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

AbstractThe 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

AbstractThe 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

AbstractIn 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: 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

AbstractHg 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

AbstractA 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: 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

Abstract(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

AbstractIt 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

AbstractThe 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

AbstractTreatment 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

AbstractThe 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

AbstractThe 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

AbstractThe 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

AbstractThe 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

AbstractThe 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

AbstractThe 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

AbstractIn 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

AbstractThermal 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

AbstractCyclocondensation 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

AbstractWith 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

AbstractReaction 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

AbstractStarting 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

AbstractThe 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

AbstractThe 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

AbstractThe 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

AbstractThe 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

AbstractThe 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

AbstractThe 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

AbstractReaktion 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

AbstractThe 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

AbstractThe 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

AbstractThe (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

AbstractThe 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

AbstractThe 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 Zeolite‐Modified Carbon Paste Electrode.
Authors: EL MURR N. , KERKENI M. , SELLAMI A. , BEN TAARIT Y. 
Published: May 2016

AbstractThe 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

AbstractA 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

AbstractLaponite, 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

AbstractA 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: 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

AbstractThe 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

AbstractWhile 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

AbstractThe 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

AbstractReaction of the monoenols (I) of cycloalkane‐1,2‐diones with dimethylthiocarbamoyl chloride (II) gives the corresponding thiocarbamates (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

AbstractSome 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

AbstractThe 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

AbstractThe 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

AbstractReaction 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

AbstractPhenylation 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

AbstractThe 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

AbstractStarting 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

AbstractThe 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

AbstractThe 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

AbstractThe 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

AbstractThe 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

AbstractExamination 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

AbstractThe 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

AbstractWater 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: 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

AbstractThe 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.