bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Helicates: Tetra‐ and Pentanuclear Double Helix Complexes of Cu(I) and Poly(bipyridine) Strands.
Authors: LEHN J.‐M. , RIGAULT A.
Published: May 2016

Inorganic double helices having 2 and 2,5 turns are formed by the tetra‐ and penta(bipyridine) ligands (I) on addition of corresponding Cu(I) salts.
ChemInform Abstract: Platinum(II) Complexes with Aryl Tellurols and Diaryl Ditellurides: Syntheses and Spectral Investigations.
Authors: KHANDELWAL B. L. , KUNDU K. , GUPTA S. K.
Published: May 2016

The monomeric aryltellurolate complexes (IIIa) and (IIIb) are prepared by 1:1 and 1:2 molar reaction of the Pt complex (I) and the tellurolate salts (II).
ChemInform Abstract: EPC Syntheses from Bicyclic Dioxanones: (‐)‐5‐Epidehydrofukinone.
Authors: HERRADON B.
Published: May 2016

The starting material (II) can be obtained from the α,β‐unsaturated ketone (I) by highly stereoselective Michael addition of lithium dimethylcuprate and trapping of the resulting enolate with MeI.
ChemInform Abstract: Transformation of Labdanes into Drimanes: Obtention of 11,12‐Diacetoxy‐7‐drimene, Precursor of Biologically Active Drimanes.
Authors: URONES J. G. , MARCOS I. S. , DIEZ MARTIN D.
Published: May 2016

Under the conditions shown in the scheme the ester (I), isolated from Halimium viscosum, can be successfully transformed to the title compound (VII) which is obtained together with its Δ8‐isomer (18%).
ChemInform Abstract: β‐Mannosides from β‐Glucosides by Intramolecular Nucleophilic Substitution with Inversion of Configuration.
Authors: KUNZ H. , GUENTHER W. +
Published: May 2016

The epimerization at C‐2 of β‐glycosides, which is known to be a very difficult process, can be realized by intramolecular nucleophilic attack of a carbamate substituent as is shown for the sequence (VI) → (VIIIa).
ChemInform Abstract: Anthracyclines. Part 17. The Synthesis of 2‐Fluoro‐ and 3‐Fluoro‐4‐demethoxydaunomycin.
Authors: IRVINE R. W. , KINLOCH S. A. , MCCORMICK A. S. , RUSSELL R. A. , WARRENER R. N.
Published: May 2016

The aglycones (VIIIa) and (VIIIb) are synthesized starting from the ketone (I) as shown.
ChemInform Abstract: A New Process for Silica Coating.
Authors: NAGAYAMA H. , HONDA H. , KAWAHARA H.
Published: May 2016

The developed liquid phase deposition (LPD) process allows the coating of a glass substrate with a uniform and dense silica film by simple immersion of the substrate into H2SiF6 solution supersaturated with silica gel.
ChemInform Abstract: Crystal Chemistry of MX·MgX2·6 H2O Type Compounds.
Authors: EMONS H.‐H. , BRAND P. , POHL T. , KOEHNKE K. +
Published: May 2016

Powder XRD data reveal that the compounds (Ia)‐(Ic) crystallize in the monoclinic space group C2/c and (II) in C2/m. A perovskite‐type structure is formed by corner‐sharing (M+)X6‐ octahedra.
ChemInform Abstract: Study of Zn1‐xMxTa2O6 (M: Mg and Ni) with a Structure Refinement of MgTa2O6.
Authors: HALLE G. , MUELLER‐BUSCHBAUM HK. +
Published: May 2016

Phases of the title systems are prepared by high‐temp.
ChemInform Abstract: Fast Fourier Transform as Universal Tool for Processing Auger Electron Spectroscopy Data.
Authors: JUNGBLUT B. , SICKING G.
Published: May 2016

The applied FFT method is described in detail.
ChemInform Abstract: Magnetism of Europium Clusters in the Intermetallic Compounds EuxSr1‐xMg5.2 and (EuxSr1‐x)3Mg13.
Authors: LUEKEN H. , BRAUERS T. , ERASSME J. , DEUSSEN M. , VON LOEHNEYSEN H. + , SCHROEDER A. + , WOSNITZA J. , SAUER C.
Published: May 2016

The magnetochemical properties of EuxSr1‐xMg5.2 (I) (x = 1, 0.33) with triangular heavy atom clusters and (EuxSr1‐x)3Mg13 (II) (x = 0.11, 0.22, and 0.46) with triangular and octahedral clusters are investigated by magnetic susceptibility and specific heat measurements and 151Eu Moessbauer spectroscopy.
ChemInform Abstract: Chemistry of Phosphorus. Part 188. Halogen‐Substituted Cyclohexaphosphanes: Formation and Properties of (PCl)6 and (PBr)6.
Authors: BAUDLER M. , GRENZ D. , ARNDT U. , BUDZIKIEWICZ H. , FEHER M.
Published: May 2016

The title compounds (III) and (VI), prepared by partial dehalogenation of the corresponding phosphorus trihalides, are the first perhalogenated cyclophosphanes which are only stable in diluted solutions at low temperature.
ChemInform Abstract: Contribution to the Chemistry of Sulfur Halides. Part 24. Dibromomethylsulfonium Salts ‐ Preparation and Crystal Structure.
Authors: MINKWITZ R. , PRENZEL H. , WERNER A. , PREUT H.
Published: May 2016

(MeSBr2)+AsF6‐ is prepared by condensation of Me2S2 with Br2 and AsF5.
ChemInform Abstract: Palladium‐Catalyzed Asymmetric 1,4‐Disilylation of α,β‐Unsaturated Ketones: Catalytic Asymmetric Synthesis of β‐Hydroxy Ketones.
Authors: HAYASHI T. , MATSUMOTO Y. , ITO Y.
Published: May 2016

The synthesis of the optical active β‐hydroxy ketones (VIII) is described starting from the enones (I).
ChemInform Abstract: 3‐Bromo‐2‐tert.‐butylsulfonyl‐1‐propene, a Versatile Multi‐Coupling Reagent. Part 1.
Authors: AUVRAY P. , KNOCHEL P. , NORMANT J. F.
Published: May 2016

The title compound (III) which is prepared in two steps from the thioether (I) reacts selectively with a broad range of nucleophiles (amine, thiolate, lithium ester‐ and keto‐enolates, magnesium, zinc and lithium organometallics) to provide derivatives such as (IV).
ChemInform Abstract: Reaction of Phthalimidonitrene with p‐Methoxystyrene.
Authors: BELOV V. N. , KUZNETSOV M. A.
Published: May 2016

Phthalimidonitrene, which is generated from the phthalimidosulfimide (I), adds to the alkenic bond of p‐methoxystyrene (II) to give the aziridine (III), which easily undergoes decomposition, but which is stable enough for spectral characterization.
ChemInform Abstract: Tandem Diels‐Alder Reactivity Controlled by Remote Substituents. Regioselective Synthesis of Linearly Anellated Six‐Membered Ring Systems from (1RS,5SR,6RS,7SR)‐6,7‐Bis(chloromethyl)‐8,9‐dimethylidene‐2‐oxabicyclo(3.2.2)nonan‐3‐one. Crystal Structure of (1RS,5RS,6SR,11RS)‐6,7‐Bis(chloromethyl)‐3‐oxo‐2‐oxatricyclo(7.4.0.01,5)tridec‐8‐en‐11‐yl Methyl Ketone.
Authors: DEMARCHI B. , VOGEL P. , PINKERTON A. A.
Published: May 2016

The rate constants of the two successive Diels‐Alder additions of a given dienophile, e.g. methyl vinyl ketone, to the tetraenes (I) (synthesis described) or (V) are found to be nearly the same, thus making difficult the isolation of monoadducts in reasonable yields.
ChemInform Abstract: Regiochemistry of the Cycloadditions of Diphenylnitrilimine to Coumarin, 3‐Ethoxycarbonyl and 3‐Acetyl Coumarins. A Reinvestigation.
Authors: FATHI T. , NGUYEN DINH AN NGUYEN DINH AN , SCHMITT G. , CERUTTI E. , LAUDE B.
Published: May 2016

The cycloaddition of the title reagent (I) (generated in situ from the benzohydrazidoyl chloride (V)) with coumarin (II) gives the product (III) in accordance with previous results, whereas it is found that the coumarins (VII) react with (I) with different regiochemistry than that reported to yield the heterocycles (VIII).
ChemInform Abstract: Synthesis of Unstabilized Linear Imines by Vacuum Gas‐Solid Reactions.
Authors: GUILLEMIN J.‐C. , DENIS J.‐M.
Published: May 2016

The title imines are synthesized by vacuum dehydrocyanation of α‐aminonitriles, e.g. (I) and (XIII), or by vacuum dehydrochlorination of N‐chloroalkylamines.
ChemInform Abstract: Ring Cleavage of 5‐Arylamino‐5‐methoxycarbonyl‐3‐hydroxy‐2,5‐dihydro‐2‐pyrrolone by Hydrazine with Formation of the Amide of Methyl 3,5‐Pyrazoledicarboxylate.
Authors: MASLIVETS A. N. , SMIRNOVA L. I. , ANDREICHIKOV YU. S.
Published: May 2016

The reaction between the title compound (I) and hydrazine (II) yields the pyrazole derivatives (III) and (IV) as the main products, instead of the expected pyrrolo(3,4‐c)pyrazole derivative.
ChemInform Abstract: Exploratory Studies of the Transition Metal Catalyzed Intramolecular Cyclization of Unsaturated α,α‐Dichloro Esters, Acids, and Nitriles.
Authors: HAYES T. K. , VILLANI R. , WEINREB S. M.
Published: May 2016

Transition metal promoted intramolecular radical cyclizations of olefinic and acetylenic dichloro compounds such as (I), (V), (IX) or (XIII) (Kharasch‐type reactions) yield products such as (II), (VI), (X) or (XIV).
ChemInform Abstract: New Type of 1,3‐Molecular Rearrangement of Substituted‐Vinyl Alkoxymethyl Ethers and Its Application to Synthesis of 1(or 3)‐Substituted 4‐Alkoxybutan‐2‐ones.
Authors: GU X.‐P. , IKEDA I. , OKAHARA M.
Published: May 2016

Treatment of the vinyl methoxymethyl ethers such as (I) with aluminum trichloride results in 1,3‐migration of the methoxymethyl group, yielding the 4‐methoxybutan‐2‐ones (II).
ChemInform Abstract: Chiral Synthesis via Organoboranes. Part 18. Selective Reductions. Part 43. Diisopinocampheylchloroborane as an Excellent Chiral Reducing Reagent for the Synthesis of Halo Alcohols of High Enantiomeric Purity. A Highly Enantioselective Synthesis of Both Optical Isomers of Tomoxetine, Fluoxetine, and Nisoxetine.
Authors: SREBNIK M. , RAMACHANDRAN P. V. , BROWN H. C.
Published: May 2016

The halogenated alkyl phenyl ketones (I) are selectively reduced with the di(isopinocampheyl)chloroborane, derived from (+)‐α‐pinene, to produce the optically active phenyl carbinols (II).
ChemInform Abstract: tert.‐Butyl Esters and Ethers of (R,R)‐Tartaric Acid.
Authors: URAY G. , LINDNER W.
Published: May 2016

The esters (Va), (VII) and ethers (Xa), (Xb) of otherwise nonsubstituted optically pure (R,R) tartaric acid are synthesized starting a) from the di‐O‐acetyl derivative (I) via the intermediates (III) or (VI) or b) from the dibenzyl ester (VIII) via the intermediates (IXa), (IXb), respectively.
ChemInform Abstract: Amberlyst 15: A Practical, Mild, and Selective Catalyst for Methyl Esterification of Carboxylic Acids.
Authors: PETRINI M. , BALLINI R. , MARCANTONI E. , ROSINI G.
Published: May 2016

The esterification procedure mentioned in the title using catalytic amounts of Amberlyst 15 in methanol (II) is applied to various carboxylic acids such as (I) to give the corresponding methyl carboxylates such as (III).
ChemInform Abstract: Preparative Scale Stereoselective Synthesis of Methyl 4‐Methyl‐Z‐2,4‐pentadienoate.
Authors: ENGLER T. A. , FALTER W.
Published: May 2016

The stereoisomeric 4‐methyl‐2,4‐pentadienoates (IV) and (V) are prepared by three different methods: Bromination of mesityl oxide (I) to give the tribromide (II) and subsequent sodium methoxide (III) induced Favorskii rearrangement yield the Z‐isomer (IV) as the main product, whereas direct treatment of the bromide with triethylamine in methanol (VII) predominantly produces the E‐isomer (V).
ChemInform Abstract: Novel Preparation of 1‐ and 3‐Substituted Bicyclo(3.2.2)nona‐3,6,8‐trien‐2‐ones from Tropones and 2,3‐Bis(methoxycarbonyl)‐7‐oxabicyclo(2.2.1)heptadiene by High‐Pressure Cycloaddition‐Thermal Cycloreversion Procedure.
Authors: TIAN G. R. , SUGIYAMA S. , MORI A. , TAKESHITA H.
Published: May 2016

Diels‐Alder reaction of tropone or its derivatives (I) with the compound (II), preferably under high‐pressure conditions, gives the adducts (III) and the side products (IV) and (V) in the case of (Ic), (Id).
ChemInform Abstract: Through‐Bond Interaction via Cyclobutane Relay Orbitals as a Means of Extending Conjugation. Synthesis of Tricyclo(5.5.0.02,8)dodecatetraene, Tricyclo(5.3.0.02,8)deca‐3,5,9‐triene, and 9,10‐Dimethylenetricyclo(5.3.0.02,8)deca‐3,5‐diene.
Authors: DRESSEL J. , CHASEY K. L. , PAQUETTE L. A.
Published: May 2016

The title compound (XIII) (tricyclo(5.3.0.02,8)dodecatetraene) is synthesized starting from dimethyl ε‐truxillate (I) as outlined in the scheme.
ChemInform Abstract: Synthesis and Resolution of Chiral Ring‐Opened 5‐Hydroxykynuramine‐Type Analogues of Serotonin.
Authors: PERTZ H. , BACK W.
Published: May 2016

The nitroacetophenones (I) are converted to the diamino compounds (V) by aldol condensation, followed by amination and catalytic reduction of the nitro group.
ChemInform Abstract: Reaction of 4‐Aryl‐2‐hydrazinothiazoles with Ethyl Acetoacetate: A Reinvestigation.
Authors: SINGH S. P. , SEHGAL S. , DIWAKAR P. , VAID R. K.
Published: May 2016

The title reaction between (II) and (IV) is shown to afford the pyrazoles (III) and not, as was previously reported by other authors, the thiazolotriazepines (I).
ChemInform Abstract: Heterocyclic Systems Containing Bridgehead Nitrogen Atom: Synthesis of Imidazo(2,1‐b)thiazoles, Imidazo(2,1‐b) (1,3)thiazin‐4(3H)‐one and Imidazo(2′,1′:2,3)thiazolo(4,5‐b)quinoxaline.
Authors: MOHAN J. , ANJANEYULU G. S. R. , KIRAN KIRAN
Published: May 2016

In a search for potent fungicides and bactericides, the title compounds (III), (VII), (VIII), (XI) and (XIII) are synthesized as shown starting from the imidazole (I) (no yields given for (VIIb)).
ChemInform Abstract: A General Method for Stereo‐ and Regiospecific Oxyamination of Olefins.
Authors: DAS J.
Published: May 2016

The trans‐1,2‐bromohydrins (I), derived from the corresponding cycloalkenes, are consecutively treated with phosgene (II) and benzylamine (III) to form the bromo carbamates (IV).
ChemInform Abstract: Homolytic Alkylation of Benzimidazole and Its Derivatives by 1,4‐Dioxane.
Authors: ZORINA L. N. , SAFIEV O. G. , PAKHMANKULOV D. L.
Published: May 2016

The iron(II) sulfate/hydrogen peroxide‐catalyzed coupling of the benzimidazoles (I) with 1,4‐dioxane (II) to give the dioxanyl derivatives (III) is less effective for the ethyl compound (Ib).
ChemInform Abstract: Reaction of Lithium Dialkylphosphides with Alkoxycarbenium Ions.
Authors: PRISHCHENKO A. A. , LIVANTSOV M. V. , BOGANOVA N. V. , LUTSENKO I. F.
Published: May 2016

The phosphides (II) react with the alkoxycarbenium tetrafluoroborates (I) to give the alkoxy‐substituted methylphosphines (III) of which (IIId) are converted to the diphosphines (IVd) upon distillation.
ChemInform Abstract: Reaction of N,N′,N′′,N′′′‐Tetraarylphosphorimidic Triamides with Carboxylic Acids.
Authors: RUTKOVSKII E. A. , KOSTINA V. G. , FESHCHENKO N. G.
Published: May 2016

The tetraarylphosphorimidic triamides (I) are coupled with the carboxylic acids (II) to give the phosphonium salts (III) which form the phosphoric triamides (IV) and the carboxylic amides (V) on thermal treatment.
ChemInform Abstract: Reaction of Propadienylphosphonous Acid with Azomethines.
Authors: BELAKHOV V. V. , YUDELEVICH V. I. , IONIN B. I. , SHNEIDER M. A.
Published: May 2016

Allenylphosphonous acid (I) is coupled with the azomethines (II) to give the phosphinic acids (III) which have a low antiviral effect.
ChemInform Abstract: Synthesis and Properties of Bimetallic Alkoxides of Trivalent Titanium.
Authors: VYSHINSKAYA L. I. , DROBOTENKO V. V. , SAMARINA T. P.
Published: May 2016

Treatment of the titanates(IV) (I) or (IV) with elemental lithium (II) gives the lithium titanates(III) (III) and (VI).
ChemInform Abstract: Pentacoordinated Molecules. Part 74. Distortion Coordinate for Five‐Coordinated Tin. A Model for Nucleophilic Substitution. Synthesis and Structure of Hypervalent Anionic (Cyanoethylenedithiolato)stannates.
Authors: DAY R. O. , HOLMES J. M. , SHAFIEEZAD S. , CHANDRASEKHAR V. , HOLMES R. R.
Published: May 2016

The routes of preparation are shown in the scheme.
ChemInform Abstract: Transition Metal‐Functionalized Phosphaarsenes as Ligands in Pentacarbonylchromium Complexes. X‐Ray Structure Analysis of (η5‐C5Me5)(CO)2Fe‐As(Cr(CO)5)=P‐C6H2(tBu3)(2,4,6).
Authors: WEBER L. , BUNGARDT D. , BOESE R.
Published: May 2016

The reaction of photochemically generated (II) with the transition‐metal substituted phosphaarsenes (I) affords the complexes (III).
ChemInform Abstract: Synthesis and Dynamic Nuclear Magnetic Resonance Studies of Coordinatively Unsaturated Alkyne Complexes of Tungsten(II).
Authors: CARLTON L. , DAVIDSON J. L.
Published: May 2016

The reaction of the bromide‐bridged W dimers (I) with an excess of the sodium dithiophosphinite (II) results in the formation of the monocarbonylmonoalkyne complexes (IIIa).
ChemInform Abstract: Synthesis, Reactivity, and X‐Ray Structural Characterization of trans‐Dioxoosmium(VI) Porphyrin Complexes.
Authors: CHE C.‐M. , CHUNG W.‐C. , LAI T.‐F.
Published: May 2016

The oxidation of (Ia) and (Ib) by MCPBA proceeds through a stable Os(IV) intermediate.
ChemInform Abstract: 3,6‐Bis(2′‐pyridyl)pyridazine‐Based Ligands. Synthesis and Organometallic Complexes of Platinum(II).
Authors: GHEDINI M. , NEVE F. , LONGERI M. , BRUNO M. C.
Published: May 2016

In order to improve the solubility of bimetallic complexes in organic solvents, the new 3,6‐bis(2'‐pyridyl)pyrazine‐based molecules (IIIa) and (IIIb) are synthesized according to the scheme and tested as ligands as well as their known analogues (IIIc) and (IIId) in Pt(II) organometallic complexes.
ChemInform Abstract: Cyanine Dyes from Mesoionic Thiazolo(3,2‐a)pyrimidinium 3‐Oxides and the Nature of the Visible Absorption Bands of Their Solutions.
Authors: FEDOTOV K. V. , ROMANOV N. N. , KACHKOVSKII A. D.
Published: May 2016

The novel title compounds (IIIa)‐(IIIc), (Va), (Vb), (VII) and (IX) are prepared as shown in the scheme.
ChemInform Abstract: Time‐Resolved Resonance Raman Study of the Spectroscopy and Kinetics of the Cl‐ 2 Radical Anion in Aqueous Solution.
Authors: HYNES A. J. , WINE P. H.
Published: May 2016

In addition to the spectroscopic features of the Cl2‐ radical anion, a time‐resolved resonance Raman (TR3) spectroscopic investigation of the kinetics of Cl2‐ disproportionation is reported demonstrating the applicability of TR3 for aqueous phase kinetic studies of small inorganic radicals.
ChemInform Abstract: Solution Structure and Reactivity of Decavanadate.
Authors: COMBA P. , HELM L.
Published: May 2016

The oxygen‐exchange reaction of (V10O28)6‐ with bulk water is studied by time‐dependent 17O NMR (buffered solution, pH ∼ 5.5, concentration of (V10O28)6‐ ∼ 0.17 M, T = 298 K).
ChemInform Abstract: Electron Transfer. Part 94. Internal Redox in Cobalt(III)‐Bound Hypophosphite.
Authors: LINN D. E. JUN. , GOULD E. S.
Published: May 2016

The hypophosphito derivative of Co(III) (I) decomposes in basic media yielding Co(II) quantitatively along with a 1:1 mixture of hypophosphite and phosphite (see scheme).
ChemInform Abstract: Synthesis of Boron Nitride via a Polymeric Vinylpentaborane Precursor.
Authors: MIRABELLI M. G. L. , SNEDDON L. G.
Published: May 2016

It is demonstrated that poly(2‐vinylpentaborane) oligomers are useful soluble ceramic precursors that are readily converted to BN.
ChemInform Abstract: Synthesis and Characterization of Mixed Niobium‐Vanadium Phosphates.
Authors: GARCIA‐PONCE A. L. , MORENO‐REAL L. , JIMENEZ‐LOPEZ A.
Published: May 2016

From solutions, containing mixtures of V2O5/Nb2O5 of various molar ratios in HF/HNO3, mixed niobyl‐vanadyl phosphates of up to 21% vanadium content ((V0.21Nb0.79)OPO4·2.7 H2O) are obtained by addition of H3PO4.
ChemInform Abstract: Coordination in the Second Sphere: Adducts of Phosphane Transition Metal Complexes to β‐Cyclodextrin and a Methylated Derivative.
Authors: ALSTON D. R. , SLAWIN A. M. Z. , STODDART J. F. , WILLIAMS D. J. , ZARZYCKI R.
Published: May 2016

Trans‐(PtCl2(NH3)(PMe3)) forms an 1:1 adduct with β‐cyclodextrin in aqueous solution.
ChemInform Abstract: Transition Metal Complexes of Substituted 2,2′‐Biquinolines. Part 1. The Crystal and Molecular Structures of (8,8′‐Bis(aminomethyl)‐2,2′‐biquinoline)dichloromanganese(II) and (8,8′‐Bis(aminomethyl)‐2,2′‐biquinoline)chlorocopper(II) Chloride.
Authors: CHUNG L.‐Y. , CONSTABLE E. C. , LEWIS J. , RAITHBY P. R. , KAYE P. T.
Published: May 2016

The ligand 8,8'‐bis(aminomethyl)‐2,2'‐biquinoline, prepared in three steps from the 8,8'‐dimethyl derivative in 41% overall yield, reacts with MnCl2 or CuCl2 in MeOH under reflux to give the complexes (I) and (II) (no yields given).
ChemInform Abstract: The Heteronuclear Cluster Chemistry of the Group 1B Metals. Part 9. Stereochemical Non‐Rigidity of the Metal Skeletons of Cluster Compounds in Solution. 109Ag‐(1H) INEPT NMR Studies on (Ag2Ru4(μ3‐H)2(μ‐Ph2P(CH2)nPPh2)(CO)12) (n = 1, 2, or 4) and X‐Ray Crystal Structure of (Ag2Ru4(μ3‐H)2(μ‐Ph2PCH2PPh2)(CO)12).
Authors: BROWN S. S. D. , SALTER I. D. , SIK V. , COLQUHOUN I. J. , MCFARLANE W. , BATES P. A. , HURSTHOUSE M. B. , MURRAY M.
Published: May 2016

A combination of spectroscopic data of (Ia) and (Ib) and an X‐ray diffraction study on (Ia) (P1, Z=4) shows that the clusters (I) all adopt a capped trigonal‐bipyramidal metal core geometry.
ChemInform Abstract: Complex Equilibria in Aqueous Solutions of Ti3+‐Glycine and ‐Malonic Acid.
Authors: POCSI I. , FABIAN I.
Published: May 2016

The stability constants for the complexes formed in the title systems are determined.
ChemInform Abstract: An Electrochemical Characterization of Dianions: Dilithiated Carboxylic Acids.
Authors: RENAUD P. , FOX M. A.
Published: May 2016

The oxidation of dilithiated carboxylic acids is studied by cyclic voltammetry.
ChemInform Abstract: Electrochemical Oxidation of 5‐Hydroxytryptamine in Acidic Acetonitrile.
Authors: ANNE A. , MOIROUX J.
Published: May 2016

Electrochemical oxidation of 5‐hydroxytryptamine (I) yields predominantly the 3,4'‐dimer (II).
ChemInform Abstract: Intramolecular 2 + 2 Photocycloadditions of 4‐(3′‐Alkenyl)‐ and 4‐(3′‐Pentynyl)‐2,5‐cyclohexadien‐1‐ones.
Authors: SCHULTZ A. G. , PLUMMER M. , TAVERAS A. G. JUN. , KULLNIG R. K.
Published: May 2016

The novel reaction specified in the title converts dienones of type (I) regiospecifically to the predominant tricyclic products (II); use of enantiomerically pure (Ia) shows that racemization does not occur.
ChemInform Abstract: Studies on 3,5‐Diaminopyrazoles: New Routes for the Synthesis of New Pyrazoloazines and Pyrazoloazoles.
Authors: ELFAHHAM H. A. , ELGEMEIE G. E. H. , IBRAHEIM Y. R. , ELNAGDI M. H.
Published: May 2016

The reaction of the diaminopyrazoles (I) with various reagents, e.g. (II), (IV), (VI)/(VII) and (IX), giving the heterocyclic systems shown in the scheme is investigated.
ChemInform Abstract: Applications of Catalytic Thermometric Titrimetry to Studies of Molecular Structure and Reactivity. Part 2. Condensation and Rearrangement Reactions of Carbonyl Compounds.
Authors: GREENHOW E. J. , MARRERO‐LITTLEJOHNS D.
Published: May 2016

Aliphatic and aromatic carbonyl compounds such as cyclobutanone, ‐pentanone, ‐hexanone, acetone, and benzil and some binary mixtures of these compounds are used as indicator reagents in the catalytic thermometric titration of benzoic acid with KOH in propanol.
ChemInform Abstract: Efficient Synthesis of Carbobicyclic and Carbopolycyclic Compounds via Intramolecular Carbopalladation Catalyzed by Palladium‐Phosphine Complexes.
Authors: NEGISHI E. , ZHANG Y. , O'CONNOR B.
Published: May 2016

The cyclohexenylbutenyl iodide (I) undergoes Pd‐catalyzed ring closure, producing the spiro compounds (II) and (III).
ChemInform Abstract: Pd‐Catalyzed Chemoselective Cyclization to Cyclic Ethers.
Authors: TROST B. M. , TENAGLIA A.
Published: May 2016

The vicinal diol allyl acetates (I), (Va), (Vc), and (VII) undergo Pd‐catalyzed cyclization, yielding the 2‐vinyltetrahydrofurans (IV), (VI), and (VIII).
ChemInform Abstract: Asymmetric Syntheses via Heterocyclic Intermediates. Part 40. Acylation of Lithiated Bislactim Ethers of cyclo(‐L‐Val‐Ala‐) and cyclo(‐L‐Val‐Gly‐). Asymmetric Synthesis of (R)‐α‐Alkenyl and (R)‐α‐Ethinyl Alanine Methyl Esters by the Bislactim Ether Method.
Authors: SCHOELLKOPF U. + , WESTPHALEN K.‐O. , SCHROEDER J. + , HORN K.
Published: May 2016

The lithiated bislactim ether (III) from (I) reacts with acyl chlorides (II) highly diastereoselectively to yield the ketones (IV).
ChemInform Abstract: Oxychlorination of Ethylene to 2‐Chloroethanol by Thallium(III) Chloride.
Authors: HIROSE I. , FUNABASHI K. , FUJII T. , KAWAJIRI K.
Published: May 2016

Ethylene (I) is oxidized with thallium(III) chloride in aqueous hydrochloric acid under high pressure to yield 2‐chloroethanol (II) as the main product, together with ethylene glycol (III) and acetaldehyde (IV).
ChemInform Abstract: Synthesis of Polyamine‐Carbodiimides. ‐ Potential Activators for Chemical Ligations of Oligodeoxynucleotide 3′‐Phosphates.
Authors: VON KIEDROWSKI G. , ZARAGOZA DOERWALD F. +
Published: May 2016

Polyamine‐carbodiimides such as (XIII) are new water‐soluble activating agents designed to fit some requirements of chemical ligations of oligodeoxynucleotide 3'‐phosphates.
ChemInform Abstract: Convenient Synthesis of Spironorcamphors.
Authors: HORI K. , TAKAISHI N. , INAMOTO Y.
Published: May 2016

The effects of base, molar ratio of the reagents, solvent, or reaction temp. on the cycloalkylation of norcamphor (I) with the dibromobutane (II) are studied.
ChemInform Abstract: The Stable Singlet Ground State Dication of Hexaiodobenzene: Possibly a σ‐Delocalized Dication.
Authors: SAGL D. J. , MARTIN J. C.
Published: May 2016

Oxidation of hexaiodobenzene (I) with Cl2 yields an impure product (II) containing ca. 7% of (C6ClI5)·‐TfO‐.
ChemInform Abstract: Palladium(0)‐Catalyzed Hydroxylamination of Allyl Esters. Synthesis of N‐Allylhydroxylamines and Secondary Allylamines.
Authors: MURAHASHI S. , IMADA Y. , TANIGUCHI Y. , KODERA Y.
Published: May 2016

Allyl acetate (I) is coupled with phenylhydroxylamine (II) in the presence of a Pd(0) catalyst to give the N‐allyl‐N‐phenylhydroxylamine (III).
ChemInform Abstract: Chemoselective Carbonyl Alkylation and Reduction of Aldehydes or Ketones.
Authors: MARUOKA K. , ARAKI Y. , YAMAMOTO H.
Published: May 2016

Mixtures of aldehydes and ketones such as (I) and (II) or (VIII) and (IX) are activated by complexation with methylaluminum agents and then treated with organolithium or Grignard compounds to produce secondary or/and tertiary alcohols.
ChemInform Abstract: Tin‐Mediated Palladium‐Catalyzed Regiocontrolled Alkylations of Vinyl Epoxides.
Authors: TROST B. M. , TENAGLIA A.
Published: May 2016

The vinylic oxiranes (I), (VI), and (VIII) are selectively cleaved upon treatment with the cyclic stannyl ethers (II) or (IV) in the presence of a palladium catalyst, yielding diglycols such as (III) or (VII).
ChemInform Abstract: Sodium Perborate Oxidations of Cyclic and Acyclic Alkenes to Oxiranes or Vicinal Acetoxy Alcohols.
Authors: XIE G. , XU L. , HU J. , MA S. , HOU W. , TAO F.
Published: May 2016

Treatment of alkenes such as (I), (VII), and (XIII) with sodium perborate and acetic anhydride in dichloromethane results in epoxidation, producing the oxiranes (II), (VIII), or (XIV).
ChemInform Abstract: Considered as Reagent and Synthetic Methods. Part 68. An Extension of Barret′s Procedure for the Preparation of Potentially Valuable Carbapenem Intermediates.
Authors: ARRIETA A. , COSSIO F. P. , GARCIA J. M. , LECEA B. , PALOMO C.
Published: May 2016

The acetoxyazetidonones (I) are coupled with the silyl enol ethers (II) to give the ketones (III).
ChemInform Abstract: Reagents and Synthetic Methods. Part 69. Synthetic Utility of Azetidine‐2,3‐diones: A New Approach to 3‐Hydroxyethyl‐β‐lactams and α‐Amino Acid Derivatives.
Authors: COSSIO F. P. , LOPEZ C. , OIARBIDE M. , PALOMO C. , APARICIO D. , RUBIALES G.
Published: May 2016

The azetidine‐2,3‐diones (II), prepared from the ketols (I), are oxidized with MCPBA to give the oxazolidinediones (III) which are cleaved with nucleophiles, yielding amino acid derivatives such as (V) or (VII).
ChemInform Abstract: Reactions of Electron‐Rich Heterocycles with Orthocarboxylic Acid Derivatives. Part 12. Formylation of Vinylindoles with Diethoxycarbenium Tetrafluoroborate.
Authors: FLO C. , PINDUR U.
Published: May 2016

The formylation of the vinylindoles (I) with the carbenium salt (II) gives the 3‐substituted products (III) whereas the compounds (V) are formed under similar conditions from the vinylindoles (IV).
ChemInform Abstract: Synthesis of 3‐Pyrrolines via a (4 + 1)Annulation Strategy.
Authors: PADWA A. , NORMAN B. H.
Published: May 2016

2,3‐Bis(phenylsulfonyl)butadiene (I) reacts with the amines (II) to give the adducts (III) which cyclize, forming the trans‐bis(phenylsulfonyl)pyrrolidines (IV).
ChemInform Abstract: A New Highly‐Conjugated TTF Analogue: Synthesis, Electrochemistry, and a Conducting TCNQ Complex of 9,10‐Anthracenediylidene‐2,2′‐bis(4,5‐dimethyl‐1,3‐dithiole).
Authors: BRYCE M. R. , MOORE A. J.
Published: May 2016

9,10‐Bis(chloromethyl)anthracene (I) is converted to the bis(dithio ester) (VI) via the salt (IV).
ChemInform Abstract: Synthesis and Antibacterial Activity of 4,8‐Dimethyl‐3‐(Substituted)aminomethylcoumarins.
Authors: NAGESAM M. , RAJU K. M. , RAJU M. S.
Published: May 2016

4,8‐Dimethylcoumarin (I) is chloromethylated to form 4,8‐dimethyl‐3‐chloromethylcoumarin (III).
ChemInform Abstract: Xanthenylideneadamantane 1,2‐Dioxetane. Preparation, Properties, and Its Potential Use as an Inherently Thermochemiluminescent Label.
Authors: BROUWER A. C. , HUMMELEN J. C. , LUIDER T. M. , VAN BOLHUIS F. , WYNBERG H.
Published: May 2016

Singlet oxygenation of the xanthenylideneadamantane (III), prepared from xanthene (I) and adamantanone (II), yields the dioxetane (IV) mentioned in the title.
ChemInform Abstract: Cyclizations of Nitriles. Part 29. Regioselective Synthesis and Properties of 6‐Aryl‐3‐cyano‐2(1H)‐pyridinethiones and ‐selones.
Authors: RODINOVSKAYA L. A. , SHARANIN YU. A. , SHESTOPALOV A. M. , LITVINOV V. P.
Published: May 2016

Cyclization of the enonolates (I) or the enamino ketones (IV) with cyanothio(seleno)acetamide (II) gives the pyridinethiones (IIIa) ‐ (IIId) or the pyridineselone (IIIe).
ChemInform Abstract: Studies on 2,5‐Disubstituted 1,3,4‐Oxadiazoles. Part 2. Preparation and Antimicrobial Activity of 2‐Arylsulfonamido/α‐Carbamylarylmethylamino‐5‐(4′‐pyridyl)‐1,3,4‐oxadiazo# les.
Authors: PACHHAMIA V. L. , PARIKH A. R.
Published: May 2016

Isoniazide (I) is treated with cyanogen bromide (II) to give the 2‐amino‐1,3,4‐oxadiazole (III) which reacts with the aromatic sulfonyl chlorides (IV), yielding the sulfonamides (V).
ChemInform Abstract: Diazabicycloalkanes with Bridgehead Nitrogen Atoms. Part 16. Synthesis and Properties of Benzo(b)‐1,4‐diazabicyclo(2.2.2)octene and Dibenzo‐(b,e)‐1,4‐diazabicyclo(2.2.2)octadiene Containing Primary Aromatic Amino Groups.
Authors: GALL' A. A. , SIL'NIKOV V. N. , SHISHKIN G. V.
Published: May 2016

The aminobenzodiazabicyclooctene (II) is prepared either by cyclization of the bis(chloroethyl)triaminobenzene (I) or by hydrogenation of the nitro compound (III).
ChemInform Abstract: Synthesis of Diastereomerically Pure 2,5‐Disubstituted 3‐Oxoperhydro‐1,4‐oxazines.
Authors: DANKLMAIER J. , HOENIG H. +
Published: May 2016

Two methods are described for the preparation of the diastereomerically pure morpholinones (III).
ChemInform Abstract: Studies on Synthesis of Halogenated Phenothiazine Derivatives.
Authors: DAVE A. M. , BHATT K. N. , UNDAVIA N. K. , TRIVEDI P. B.
Published: May 2016

Diphenylamine (I) undergoes cyclocondensation and chlorination with thionyl chloride (II) to give the tetrachlorophenothiazine (III).
ChemInform Abstract: Synthesis of 1,4‐Diazepines.
Authors: KRIEG B. , URBAN R.
Published: May 2016

The quinone (I) behaves differently in the reaction with the malonic acid derivatives (II) and (IV).
ChemInform Abstract: Chemistry of Silicon‐Sulfur Compounds. Part 52. Reaction of Trialkoxysilanethiols with Carboxylic Acids. Preparation and Hydrolysis of Trialkoxyacyloxysilanes.
Authors: KONIECZNY S. , WOJNOWSKI W.
Published: May 2016

Trialkoxyacyloxysilanes such as (III) are prepared.
ChemInform Abstract: Silicon Compounds and Their Group Homologues. Part 83. Triazene and Its Derivatives. Part 9. Synthesis and Structure of Silyl Triazenes tBu3Si‐N=N‐NR‐SitBu3 (R: Na, H, Me, SnMe3).
Authors: WIBERG N. , KARAMPATSES P. , KUEHNEL E. + , VEITH M. , HUCH V.
Published: May 2016

The triazene (I) loses N2 at temp. above 200 °C. The derivatives (II) (space group: C2/c, Z=12) and (IV) (Pna21, Z = 8) are obtained when (I) is allowed to react with MeOH or (III).
ChemInform Abstract: Scrambling of P‐SP and P‐SC Bonds Between Tetraphosphorus Decasulfide and Phosphorotetrathioic Esters.
Authors: DEMARCQ M. C.
Published: May 2016

31P NMR spectroscopic studies show that the thermal redistribution of P4S10 with (RS)3PS (R: Me, (CH2)11Me, Ph, CH2Ph) generates metaphosphorotrithioic esters ((RS)(S)PS)2 and relatively small amounts of sym. ((RS)2P(S))2S as "middle" and "end" species respectively.
ChemInform Abstract: Preparation of Organozinc Derivatives of Ethyl α‐(Bromomethyl)acrylates and Their Homologues.
Authors: EL ALAMI N. , BELAUD C. , VILLIERAS J.
Published: May 2016

The aliphatic and alicyclic α‐(bromoalkyl)acrylates (I), (IV), and (VII) react with activated 30 mesh zinc granules (II) to yield the organozinc derivatives (III), (V), and (VIII).
ChemInform Abstract: Synthesis of tert‐Butyl (Trialkylstannyl)(trimethylgermyl)acetates and Application of Their Anions to the Peterson‐Type Reaction.
Authors: KANEMOTO N. , SATO Y. , INOUE S.
Published: May 2016

The trimethylgermylacetate (I) reacts with the chlorostannanes (II) to form the stannyl(trimethylgermyl)acetate (III).
ChemInform Abstract: Transition Metal Complexes with Sulfur Ligands. Part 39. Transformation of η1‐Nitrosyl to η2‐Hydroxylaminyl Ligands in the Reduction of Mo(NO)2(“S4”) to Mo(η2‐NH2O)(NO)(“S4”): A Model Reaction for a Partial Step in the Enzymatic NO‐ 3 → NH3 Conversion.
Authors: SELLMANN D. , SEUBERT B. , MOLL M. , KNOCH F.
Published: May 2016

The reaction of (I) with hydrazine (II) involves an intermolecular reduction of the NO to a NH2O ligand.
ChemInform Abstract: Uranium Alkoxide Chemistry. Part 1. Synthesis and the Novel Dimeric Structure of the First Homoleptic Uranium(III) Aryloxide Complex.
Authors: VAN DER SLUYS W. G. , BURNS C. J. , HUFFMAN J. C. , SATTELBERGER A. P.
Published: May 2016

In the solid state, the title complex (III) adopts the unprecedented structure of a bis π‐arene‐bridged centrosym.
ChemInform Abstract: The Coordination of Small Molecules by Manganese(II) Phosphine Complexes. Part 11. The Coordination of Dioxygen by Manganese(II) Complexes Containing Long‐Chain Phosphine Ligands.
Authors: BARRATT D. S. , GOTT G. A. , MCAULIFFE C. A.
Published: May 2016

The Mn(II) complexes (I) are prepared by reaction of anhydrous Mn(II) halides with long‐chain monodentate phosphine ligands in pentane (no yields given).
ChemInform Abstract: Reactions of the Arsino Sulfur Diimides tBu2As(NSN)AstBu2 and tBuAs(NSN)2AstBu with Trinuclear Clusters M3(CO)12 (M: Fe, Ru) ‐ X‐Ray Structure Analysis of Fe2(CO)6(μ‐tBuAs(NSN)AstBu).
Authors: HERBERHOLD M. , SCHAMEL K. , HERRMANN G. , GIEREN A. , RUIZ‐PEREZ C. , HUEBNER T. +
Published: May 2016

Ru3(CO)12 (I) reacts with the first title ligand (II) to give the trinuclear cluster (III) containing a hydride bridge, a triply‐bridging tBuAs unit and a fragment NSNAs(tBu)2 in which the NSN chains of (II) is maintained.
ChemInform Abstract: Preparation and Molecular and Electronic Structures of a Diamagnetic Diruthenium(II) Compound, Ru2((p‐CH3C6H4)NNN(p‐CH3C6H4))4.
Authors: COTTON F. A. , MATUSZ M.
Published: May 2016

The title compound (III) is prepared according to the scheme and characterized by X‐ray structure analysis ((III)·3toluene: space group P21/c, Z=2), cyclic voltammetry, and spectroscopic methods (UV/VIS, IR, 1H NMR).
ChemInform Abstract: Reactions of Aziridine, Thiirane, and Oxirane with Isocyanide Ligands in Complexes of Palladium(II) and Platinum(II): Syntheses of Neutral Five‐Membered Cyclic Diamino‐, Aminothio‐, Aminooxycarbene Compounds.
Authors: BERTANI R. , MOZZON M. , MICHELIN R. A.
Published: May 2016

The complexes (I) react with aziridine (II) to give the diaminocarbene complexes (III).
ChemInform Abstract: X‐Ray Crystal Structure of (2,2′‐Bipyrimidine)(1,2‐dicyanoethylene‐1,2‐dithiolato(2‐))platinum(II)‐N,N‐Dimethylformamide and Properties of PtS2N2‐Type Complexes.
Authors: MATSUBAYASHI G. , YAMAGUCHI Y. , TANAKA T.
Published: May 2016

The title complex (IIIa) and its analogue (IIIb) containing both an electron‐donor dithiolate ligand and the π‐electron acceptor N ligand bipyrimidine are prepared according to the scheme.
ChemInform Abstract: Brassinolide and Its Analogues. Part 8. Synthesis of 25‐Methyldolichosterone, 25‐Methyl‐2,3‐diepidolichosterone, 25‐Methylcastasterone and 25‐Methylbrassinolide.
Authors: MORI K. , TAKEUCHI T.
Published: May 2016

25‐Methyldolichosterone (VI) and its stereoisomer (IV) are synthesized by analogous routes.
ChemInform Abstract: Synthesis of Some Carboxyalkyl‐ and Pyrimidyl‐Substituted Thiocarbamides as Potential Fungicides and Nematicides.
Authors: MITTAL P. S. , KUMAR N. , TANEJA A. D.
Published: May 2016

The amino acids (I) react with the isothiocyanates (II) to yield the thioureas (III).
ChemInform Abstract: Stereoselective Syntheses of 1,3,5‐Trihydroxy‐2,4‐dimethylpentane Equivalents from Methyl α‐Mannopyranosides.
Authors: TATSUTA K. , KOGUCHI Y. , KASE M.
Published: May 2016

The iodo dimesyl derivative (II) obtainable from the α‐D‐mannopyranoside (I) is transformed to the α‐D‐idopyranoside derivative (IX) which can be isomerized at C‐3 to give the α‐D‐talo derivative (X).
ChemInform Abstract: A Synthetic Heparin‐Like Compound Which Activates Antithrombin III, Although It Contains an Open‐Chain Fragment Instead of α‐L‐Idopyranuronate.
Authors: VAN BOECKEL C. A. A. , BASTEN J. E. M. , LUCAS H. , VAN AELST S. F.
Published: May 2016

The compound (VII) is synthesized starting from D‐serine (I) as shown.
ChemInform Abstract: Synthesis of Sphingosine Relatives. Part 7. Sythesis of Anti‐Ulcerogenic Cerebrosides Isolated from Tetragonia tetragonoides.
Authors: MORI K. , KINSHO T.
Published: May 2016

The title cerebroside (XIII) shows anti‐ulcerogenic activity while its (8Z) isomer has no significant activity.
ChemInform Abstract: Asymmetric Synthesis of Carbacyclin Precursors by Pauson‐Khand Cyclization.
Authors: MULZER J. , GRASKE K. D. , KIRSTE B.
Published: May 2016

The isopropylideneglyceraldehyde (S)‐(I) is converted to the enyne (IX), which undergoes cobalt‐mediated cyclization (Pauson‐Khand reaction) to give the (7S)‐configurated title compound (XII).
ChemInform Abstract: Exo‐ and Endohormones. Part 13. Synthesis of Z‐9‐Pentacosene.
Authors: POP L. , KREMPELS H. , HODOSAN F.
Published: May 2016

Erucic acid (I), obtained by alkaline hydrolysis of rapeseed oil, is reduced with LiAlH4 to give erucol (II).
ChemInform Abstract: Determination of the Characteristic Components from Hashish and Marihuana Type Drugs of Abuse. Part 1. The Neutral Cannabinoids.
Authors: VERESS T. , SZANTO J. I. , LEISZTNER L.
Published: May 2016

Determination of the Characteristic Components from Hashish and Marihuana Type Drugs of Abuse.
ChemInform Abstract: Preparation and Crystal Structure of the Sodium‐Iridium Boride NaIr3B4.
Authors: MIRGEL R. , JUNG W.
Published: May 2016

The title compound is prepared by high‐temp.
ChemInform Abstract: Superconductivity and Hydrogen Profiles in Electrolytically Charged Pd‐Cu Alloys.
Authors: STANDISH W. J. , LEIBERICH A. , SCHOLZ W. , HOMAN C. G.
Published: May 2016

PdxCu1‐x surface alloys are prepared on Pd foils by ion implantation and ion beam mixing.
ChemInform Abstract: Electrode Kinetics of the Oxidation of Hydrogen Peroxide at Pretreated Glassy Carbon and Carbon Fiber Electrodes.
Authors: AOKI K. , ISHIDA M. , TOKUDA K. , HASEBE K.
Published: May 2016

The specific conditions for the activation of H2O2 oxidation at glassy carbon and carbon fiber electrodes are investigated by cyclic voltammetric measurements, aiming at the quantitative determination of H2O2.
ChemInform Abstract: Sulfur Compounds. Part 121. Synthesis of Cyclopentadecasulfur (S15) from Titanocene Pentasulfide and Sulfuryl Chloride.
Authors: STRAUSS R. , STEUDEL R.
Published: May 2016

Pure S15 can be obtained by reaction of (C5H5)2TiS5 with SO2Cl2 in CS2 and subsequent separation by repeated crystallization and precipitation.
ChemInform Abstract: X=Y‐ZH Systems as Potential 1,3‐Dipoles. Part 19. Intramolecular Cycloadditions of Non‐Stabilized Azomethine Ylides Generated via the Decarboxylative Route from α‐Amino Acids.
Authors: ARDILL H. , GRIGG R. , SRIDHARAN V. , SURENDRAKUMAR S.
Published: May 2016

Heating of amino acids with aldehydes, e.g. (I), (VI), (X) and (XIV), leads to condensation and decarboxylation.
ChemInform Abstract: Synthesis of Phenols by the Intramolecular Condensation of β,β′,δ,δ′‐Tetraoxoalkanedioates. A Novel BF3‐Promoted Claisen Condensation of Acetoacetate Dianion with Esters and Amides.
Authors: YAMAGUCHI M. , SHIBATO K. , NAKASHIMA H. , MINAMI T.
Published: May 2016

The reaction of the diamides (I), (V) and (VIII) with the ester (II) under the conditions A) affords the corresponding β,β',δ,δ'‐tetraoxoalkanedioates (III), (VI) and (IX), respectively.
ChemInform Abstract: Translocation of Radical Sites by Intramolecular 1,5‐Hydrogen Atom Transfer.
Authors: CURRAN D. P. , KIM D. , LIU H. T. , SHEN W.
Published: May 2016

Two variants are described for the preparation of cyclopentanes such as (II) or (IV) via a radical cyclization procedure, involving halogen abstraction, 1,5‐H atom transfer, cyclization and chain transfer.
ChemInform Abstract: Oxidation by Cobalt(III) Acetate. Part 11. Oxidation of Conjugated Dienes by Cobalt(III) Acetate in Acetic Acid.
Authors: MORIMOTO T. , HIRANO M. , ENOKIDA T. , ISOMOTO A. , HAMAGUCHI T. , ZHUNG X.
Published: May 2016

While the dienes (I) are oxidized to give the mono‐ and diacetates (III)‐(V), the formation of the ketoester (VI) (yield 22%) is only observed using the substrate (Ic).
ChemInform Abstract: Epoxidation with Pyridine‐Trifluoroacetic Anhydride‐Molecular Oxygen and Its Mechanistic Aspects.
Authors: HARAYAMA T. , SAKURAI O. , FUKUSHI H. , TEZUKA Y. , YONEDA F.
Published: May 2016

The oxidation of cholesteryl acetate (I) by the title procedure yields a mixture of (III)‐(VII), with (III) and (IV) representing secondary products arising from the cleavage of the epoxides (V) and (VI), respectively.
ChemInform Abstract: Photodemethylation of Methoxy‐Substituted 9,10‐Anthraquinones in Methanol.
Authors: BLANKESPOOR R. L. , HSUNG R. , SCHUTT D. L.
Published: May 2016

Irradiation of the methoxy‐substituted anthraquinones (I) results in a demethylation reaction to give (II).
ChemInform Abstract: Facile Enolate Alkylation of Norbornenones.
Authors: RAJAMANNAR T. , BALASUBRAMANIAN K. K.
Published: May 2016

The norbornenones (I), (IV), and (VI) are deprotonated and then treated with the alkyl halides (II), forming the α‐substituted derivatives (III), (V), and (VII).
ChemInform Abstract: Reaction of Secondary Acetylenic Bromides with Sodium Nitrite: Synthesis of 3,5‐Alkyl(Aryl)‐4‐nitroisoxazoles.
Authors: DURANTI E. , BALSAMINI C. , SPADONI G. , STACCIOLI L.
Published: May 2016

Reaction of the secondary acetylenic bromides (I) with excess sodium nitrite (II) gives the 4‐nitroisoxazoles (III), together with the alkynoles (IV).
ChemInform Abstract: Fluoride Ion‐Induced Reaction of Phenylthiomethyltrimethylsilane with Aldehydes and Ketones: A Simple Procedure for the Formation of β‐Hydroxy Phenyl Sulfides.
Authors: KITTERINGHAM J. , MITCHELL M. B.
Published: May 2016

The silylmethyl phenyl sulfide (I) is coupled with the carbonyl compounds (II) in the presence of tetrabutylammonium fluoride, yielding the carbinols (III).
ChemInform Abstract: The Ansamycins: Synthesis of the Naphthoquinonoid Nucleus of Rifamycin W. Crystal Structure Verification of a Key Naphthalenic Intermediate.
Authors: DE KONING C. B. , GILES R. G. F. , KNIGHT L. S. , NIVEN M. L. , YORKE S. C.
Published: May 2016

The dimethylation of the intermediate tetramethoxynaphthalene (V) (X‐ray analysis of the 1,7‐diisopropoxy analogue: space group P21/c; Z=4) to give the product (VII) represents the key step in the synthesis of the target compound (VIII).
ChemInform Abstract: Exploratory Study on α‐Metallo Selenones: Original Syntheses of Oxaspiropentanes.
Authors: KRIEF A. , DUMONT W. , LABOUREUR J. L.
Published: May 2016

The cyclopropyl selenides (I) are oxidized with permanganate or peracids to give the selenones (II).
ChemInform Abstract: Synthesis of Acenaphtho(1,2‐b)benzo(d)thiophene.
Authors: KAR G. K. , CHATTERJEE B. G. , RAY J. K.
Published: May 2016

Starting with the chloro aldehyde (I), the title compound (XII) is obtained via cyclocondensation of (I) with the thioglycolate (II), followed by saponification and decarboxylation, forming the thiophene (V).
ChemInform Abstract: An Improved Isolation of Triformylmethane (TFM): Properties and Preparation of Some Derivatives.
Authors: KESHAVARZ‐K. M. , COX S. D. , ANGUS R. O. JUN. , WUDL F.
Published: May 2016

Bromoacetic acid (I) is converted to the salt (IV) by Vilsmeier‐Haack reaction.
ChemInform Abstract: Preparation and Pharmacological Activity of 2‐(4′R′‐Benzyl)‐5R‐benzimidazoles. Analgesic Activity and Effect on Conditioned Avoidance Response.
Authors: PAGLIETTI G. , PIRISI M. A. , LORIGA M. , GRELLA G. E. , SPARATORE F. , SATTA M. , MANCA P. , PEANA A.
Published: May 2016

Cyclocondensation of the o‐phenylenediamines (I) with the hydrochlorides (II) of the phenylacetic acid iminoesters produces the 2‐benzylbenzimidazoles (III).
ChemInform Abstract: Reaction of Benzyne with 1,2,5‐Thiadiazoles and 2,1‐Benzoisothiazoles.
Authors: BRYCE M. R. , DRANSFIELD T. A. , KANDEEL K. A. , VERNON J. M.
Published: May 2016

Benzyne derived from (I) reacts with the 1,2,5‐thiadiazoles (IIa) and (IV), the selenadiazole (IIb) or the 2,1‐benzisothiazole (VI) to give the products shown in the scheme.
ChemInform Abstract: 1,3,4‐Oxadiazoles as Heterocyclic 4π‐Components in Diels‐Alder Reactions.
Authors: THALHAMMER F. , WALLFAHRER U. , SAUER J.
Published: May 2016

The oxadiazoles (I) react with cyclooctyne (II) to give the mono‐ (III) or the bisadducts (IV).
ChemInform Abstract: Homoallylic Alcohols from Z‐1,4‐Di(2‐tetrahydropyranyloxy)but‐2‐ene and Grignard Reagents: A Promising Four‐Carbon Homologation.
Authors: MENICAGLI R. , MALANGA C. , FINATO B. , LARDICCI L.
Published: May 2016

Reaction of the bis(tetrahydropyranyloxy)butene (I) with the Grignard compounds (II) in the presence of a nickel catalyst yields the mono‐substituted homoallylic ethers (III), together with the bissubstitution products (IV) and the unsubstituted homoallyl tetrahydropyranyl ether (V).
ChemInform Abstract: Acetal‐Initiated Cyclization of Allylsilanes to Highly Functionalized Piperidine Derivatives.
Authors: MANN A. , NATIVI C. , TADDEI M.
Published: May 2016

The substituted allylsilanes (I) are cyclized in the presence of trimethylsilyl triflate to form the 4‐vinylpiperidines (II) and (III).
ChemInform Abstract: Unusual Addition and Cycloaddition Reactions of 2‐Amino‐3‐cyanopyrroles with Acetylenecarboxylates.
Authors: EGER K. , FOLKERS G. , FREY M. , ZIMMERMANN W. , KOOP‐KIRFEL G.
Published: May 2016

Highly substituted pyrroles such as (I) react with dimethyl acetylenedicarboxylate (II) to form a mixture of the mono‐ (III) and the bisadduct (IV).
ChemInform Abstract: New Alkoxylated Dibenzo(1,4)dichalcogenines as Donors for Low‐Dimensional Materials: Electrochemistry and Cation‐Radical Salts.
Authors: ENGMAN L. , HELLBERG J. , ISHAG C. , SOEDERHOLM S. +
Published: May 2016

A variety of dibenzo(1,4)dichalcogenines such as (V) possessing O, S, Se and Te atoms in the heterocyclic ring are synthesized via routes similar to those shown in the scheme for (Va)‐(Vd).
ChemInform Abstract: Preparation, Chemical and Electrochemical Reduction of Pyrido(2,3‐b)quinoxalines and Pyrido(3,4‐b)quinoxalines.
Authors: ARMAND J. , BOULARES L. , BELLEC C. , PINSON J.
Published: May 2016

Reaction of the quinone (I) (in dimeric form) with the diaminopyridines (II) and (X) yields the title compounds (III) and (XI), respectively.
ChemInform Abstract: 1,3‐Oxazin‐6‐ones from 5(2H)‐Isoxazolones.
Authors: BECCALLI E. M. , BENINCORI T. , MARCHESINI A.
Published: May 2016

The isoxazolones (I) or their sodium salts (IV), generated from the corresponding isoxazolones and sodium methoxide, react with the dichloromethyl derivatives (II) or (V) to give the 1,3‐oxazin‐6‐ones (III) or (VI).
ChemInform Abstract: 2,3,7,8‐Tetraazatetracyclo(7.3.1.04,1206,10)tridecanes and 2,4,6,8‐Tetra(alkylamino)bicyclo(3.3.1)nonanes.
Authors: MELLOR J. M. , PATHIRANA R. , SMITH N. M.
Published: May 2016

The known bishydrazine (III) (improved synthesis given) reacts with aldehydes to give pentacyclic products of type (I) or (V), while the caged polyamine (VII) is obtained on treatment with acetone under forcing conditions (discussion of a possible mechanism for its formation).