bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Sterically Crowded Sulfonate Esters: Novel Leaving Groups with Hindered S‐O Cleavage.
Authors: NETSCHER T. , PRINZBACH H.
Published: May 2016

tert‐Butylsulfinyl chloride (II), 2,2,2‐trifluoro‐1,1‐diphenylethanesulfenyl chloride (VIII), and the corresponding sulfinyl chloride (IX) are prepared as shown in the reaction scheme.
ChemInform Abstract: On the Reaction of α‐Chlorocarbenium Ions with Ammonium Thiocyanate and Potassium Cyanate.
Authors: HAMED A. , MUELLER E. + , AL‐TALIB M. , JOCHIMS J. C.
Published: May 2016

Reaction of ammonium thiocyanate (II) with the α‐chlorocarbenium salts (I) yields the 1‐thia‐3‐azabutatrienium salts (III), whereas potassium cyanate (IV) produces the 1‐oxa‐3‐azabutatrienium salts (V).
ChemInform Abstract: An Efficient Synthesis of a Novel Pentacyclo(5.4.0.02,6.03,10.05,9)undecane‐8,11‐dione‐4‐spiro‐1‐cyclopentane.
Authors: SINGH V. K. , DEOTA P. T. , RAJU B. N. S.
Published: May 2016

Coupling of cyclopentadiene (I) with 1,4‐dibromobutane (II) in the presence of sodium hydroxide under micellar conditions yields the spirononadiene (III).
ChemInform Abstract: Nucleophilic Displacements of Imidazoles. Part 2. Displacements of Halogen by S‐Nucleophiles and Displacements of Mesyl Groups Activated by Nitro; Oxidation of Imidazolethiols.
Authors: KULKARNI S. , GRIMMETT M. R.
Published: May 2016

In basic medium the iodo or bromo groups of the imidazoles (I), (V), (VII) and (X) are displaced by the title nucleophiles (II) or (VIII).
ChemInform Abstract: Sulfonic and Phosphonic Acids Formed by Bisulfite and Phosphite Adduct Formation with Pyrimidinones.
Authors: BENNECHE T. , STRANDE P. , UNDHEIM K.
Published: May 2016

The π‐deficient 2‐pyrimidones (III) (obtained together with the separable O‐alkylation isomers (IV) by alkylation of (I) with (II)) add bisulfite to give the 3,4‐adducts (V) (main product in the most cases) and the 3,6 ‐adduct isomers (VI).
ChemInform Abstract: Nucleophilic Substitution in the Gas Phase. The Reactions of Alkoxide‐Alkanol Negative Ions with Boron, Carbon, Silicon, and Titanium Alkoxides. An ICR and ab initio Study.
Authors: VAN DER WEL H. , NIBBERING N. M. M. , SHELDON J. C. , HAYES R. N. , BOWIE J. H.
Published: May 2016

An example for these exothermic and very fast reactions is shown in the scheme.
ChemInform Abstract: Preparation of Lithium(triphenylsilyl)organocopper and Lithium(triphenylstannyl)phenylcopper and Some Reactions of Lithium(triphenylsilyl)phenylcopper.
Authors: RAHMAN M. T. , HOSSAIN M. T. , NAHAR S. K. , SAHA A.
Published: May 2016

Triphenylsilyllithium and triphenylstannyllithium (I) react with the organocopper compounds (II), producing the lithium organocuprates (III).
ChemInform Abstract: Molybdenum(VI) and Molybdenum(V) Complexes with N,N′‐Dimethyl‐N,N′‐bis(2‐mercaptophenyl)ethylenediamine. Electrochemical and Electron Paramagnetic Resonance Models for the Molybdenum(VI/V) Centers of the Molybdenum Hydroxylases and Related Enzymes.
Authors: DOWERAH D. , SPENCE J. T. , SINGH R. , WEDD A. G. , WILSON G. L. , FARCHIONE F. , ENEMARK J. H. , KRISTOFZSKI J. , BRUCK M.
Published: May 2016

Electrochemical one‐electron reduction of dioxomolybdenum complexes with tetradentate N2O2 or N2S2 ligands containing sec. amino groups result in deprotonation of the amino groups and loss of an oxo ligand as H2O. This biomimetically undesirable result is circumvented by synthesis of the ligand (VI) and its complexes (VIII) (which can be prepared also from dioxobis(acetylacetonato)molybdenum and (VI) with 80% yield) and (X).
ChemInform Abstract: Preparation, Characterization, and X‐Ray Crystal Structure of an Acetonitrile‐Complexed Ruthenium Silylene.
Authors: STRAUS D. A. , TILLEY T. D. , RHEINGOLD A. L. , GEIB S. J.
Published: May 2016

The starting Ru silyl complex (III), obtained along with (IV) according to the scheme, is converted into the triflate derivative (VI).
ChemInform Abstract: Synthesis and Properties of Monoazo Disperse Dyes Derived from 3‐Amino‐ 5‐nitro(2,1)benzisothiazole.
Authors: KRASKA J. , SOKOLOWSKA‐GAJDA J.
Published: May 2016

The aminobenzisothiazole (I) is diazotized and then coupled with the N,N‐dialkylanilines (II) to produce the disperse dyes (III).
ChemInform Abstract: Water‐Soluble Active Ester Method. Part 4. A New Benzyloxycarbonyl Donor.
Authors: KOUGE K. , KOIZUMI T. , AZUSE I. , OKAI H.
Published: May 2016

The title compound (III) is a useful reagent for the protection of amino acids, e.g. (IV).
ChemInform Abstract: Synthesis, Resolution, and Characterization of Ring Substituted Phenylalanines and Tryptophans.
Authors: PORTER J. , DYKERT J. , RIVIER J.
Published: May 2016

Coupling of the benzyl chlorides (II) with diethyl acetamidomalonate (I) yields the alkylated malonates (III) which are hydrolyzed and decarboxylated to produce the racemic amino acids (IV).
ChemInform Abstract: A Novel Synthesis of the Lichen Depsidones Divaronic Acid and Stenosporonic Acid, and the Biosynthetic Implications.
Authors: ELIX J. A. , JENIE U. A. , PARKER J. L.
Published: May 2016

The title compounds (Va) (divaronic acid) and (Vb) (stenosporonic acid) are shown to cooccur with colensoic acid, atranorin, and chloroatranorin in the lichen Paraparmelia mongaensis.
ChemInform Abstract: Sr3GaSb3 and Sr3InP3, Two New Zintl Phases with Complex Anions.
Authors: CORDIER G. , SCHAEFER H. + , STELTER M.
Published: May 2016

Both the title compounds have been prepared by annealing stoichiometric mixtures of the elements at 1270 K for 1 h (heating and cooling rates are given).
ChemInform Abstract: Effect of Molybdenum Codeposition on the Thermal Properties of Electroless Ni‐B Alloy Plating Films.
Authors: OSAKA T. , KOIWA I. , YAMADA K. , NISHIKAWA M. , USUDA M.
Published: May 2016

Ni‐Mo‐B alloy films of 2 μm thickness are deposited electroless on α‐Al2O3 ceramics from a caustic alkaline bath using Me2NH·BH3 as the reducing agent (pH 9, 90 °C).
ChemInform Abstract: Properties of Melts of the System PbTe‐Fe2Te.
Authors: ABILOV CH. I. , AGDAMSKAYA S. G.
Published: May 2016

The title system is studied and shown to be a quasi‐binary one.
ChemInform Abstract: ESCA Characterization of Supported Manganese Oxides. Part 1. Reduction with Hydrogen.
Authors: BALTANAS M. A. , KATZER J. R. , STILES A. B.
Published: May 2016

XPS results for MnOx supported on TiO2, CeO2, and Al2O3 show that the presence of ≡M‐O groups bound to Mn leads to different degrees of diminished electron density on the Mnn+ cations.
ChemInform Abstract: Novel Layer Compound, HgInGaS4, and Its Electrophysical Properties.
Authors: MOLDOVYAN N. A. , METLINSKII P. N.
Published: May 2016

The novel title compound is prepared from a stoichiometric mixture of the elements by chemical transport using I2 as the transporting agent.
ChemInform Abstract: Analysis of the Chemical Reaction Between PbSO4 and PbS.
Authors: MALINOWSKI C.
Published: May 2016

Thermogravimetric studies confirm the multistage character of the title reaction.
ChemInform Abstract: Manganese(IV), Isolated within an Oxide with K2NiF4‐type Structure: Sr0.50La1.50Li0.50Mn0.50O4.
Authors: DEMAZEAU G. , OH‐KIM E. O. , WANG K. , FOURNES L. , DANCE J.‐M. , POUCHARD M. , HAGENMULLER P.
Published: May 2016

The title compound has been prepared by calcination of the corresponding nitrates at 700 °C, and subsequent annealing at 750 °C for 10 h. The Mn(IV) oxidation state is confirmed iodometrically and the K2NiF4‐type structure is observed by XRD.
ChemInform Abstract: Technetium Electrochemistry. Part 4. Electrochemical and Spectroelectrochemical Studies on the Bis(tertiary phosphine or arsine (D))rhenium(III) Complexes trans‐(ReD2X2)+ (X: Cl, Br). Comparison with the Technetium(III) Analogues.
Authors: KIRCHHOFF J. R. , HEINEMAN W. R. , DEUTSCH E.
Published: May 2016

Cyclic voltammetric, thin‐layer electrochemical and thin‐layer spectroelectrochemical investigations of the complexes (I) and (II) show that all of the complexes exhibit a reversible one‐electron reduction to the neutral species.
ChemInform Abstract: The Pyrolysis of S‐Alkyl Dimethylthiocarbamates.
Authors: JOHNSON D. E. , DELANE J. C. , WISTED E. E.
Published: May 2016

Flash vacuum pyrolysis of the N,N‐dimethylthiocarbamates (I) leads to the formation of (cyclo)alkenes as shown in the reaction scheme.
ChemInform Abstract: Control of the Relative Electrophilicity of Alkylating Agents by Variation of the Lewis Acid Concentration.
Authors: MAYR H. , SCHADE C. , RUBOW M. , SCHNEIDER R.
Published: May 2016

From the relative rates of competing alkylations as given in the scheme two cases are derived.
ChemInform Abstract: Charge Reversal of Electrophilic π‐Allylpalladium Intermediates: Carbonyl Allylation by Allylic Acetates with Pd(PPH3)4‐Zn.
Authors: MASUYAMA Y. , KINUGAWA N. , KURUSU Y.
Published: May 2016

Coupling of the allylic acetates (I) with aldehydes such as benzaldehyde (II) under reduction conditions using Zn and Pd(PPh3)4 gives homoallylic alcohols such as (III).
ChemInform Abstract: Synthesis and Reactions of p‐Nitrophenyl 2,2‐Diethoxypropionate and p‐Nitrophenyl 2‐Ethoxypropenoate.
Authors: LAMATTINA J. L. , MUSE D. E.
Published: May 2016

The carboxylic acids (I) are coupled with p‐nitrophenyl trifluoroacetate (II) to yield the activated esters (III).
ChemInform Abstract: N‐Perhalofluoroalkylation of Secondary Amines by the Reactions of the Amines and Amides with Perhalofluoroalkanes. Halophilic Attack of Nitrogen Nucleophile on C‐Br Bond.
Authors: LI X. , PAN H. , JIANG X.
Published: May 2016

The amines (I) are coupled with the perhalofluoroalkanes (II) in the presence of bases to give the tertiary amines (III) and (IV) and the enamines (V).
ChemInform Abstract: Cobalt‐Based Route to Highly Functionalized Hydrazulenes.
Authors: SAMPATH V. , LUND E. C. , KNUDSEN M. J. , OLMSTEAD M. M. , SCHORE N. E.
Published: May 2016

Cycloaddition reaction of the cyclopentenone (I) with trans‐1,2‐dichloroethylene (II) and subsequent reduction yield the dichlorobicyclo‐(3.2.0)heptanols (III) which are reductively dechlorinated with sodium naphthalenide, producing the bicyclo(3.2.0)heptenol (IV).
ChemInform Abstract: N‐Cyclopropanation of Aromatic Amines.
Authors: KANG J. , KIM K. S.
Published: May 2016

The primary arylamines (Ia) and (Ib) and the secondary arylamines (Ic) are coupled with 1‐bromo‐1‐ethoxycyclopropane (II) to produce the N‐(1‐ethoxycyclopropyl)arylamines (III).
ChemInform Abstract: Barbier‐Grignard‐Type Allylation of Aldehydes with Metallic Antimony.
Authors: BUTSUGAN Y. , ITO H. , ARAKI S.
Published: May 2016

Allyl iodide (I) is coupled with the aldehydes (II) in the presence of Sb to give the alcohols (III).
ChemInform Abstract: 4‐Keto‐4,5,6,7‐tetrahydrooxindoles and 1‐Carboxymethylene‐2‐anilino‐1‐cyclohexen‐6‐ones with Potential Antiinflammatory Activity.
Authors: NAGARAJAN K. , SHENOY S. J.
Published: May 2016

Reaction of the esters (I) with the anilines (II) yields the oxindoles (III) which, in turn, are transformed to the acids (IV).
ChemInform Abstract: Boron Trifluoride‐Promoted Reaction of 4′‐Nitrobenzenesulfenanilide and Its N‐Methyl Derivative with Alkynes.
Authors: BENATI L. , MONTEVECCHI P. C. , SPAGNOLO P.
Published: May 2016

The anilide (Ia) reacts with 1‐hexyne (II) in the presence of boron trifluoride etherate to yield the hexene derivative (III), nitroaniline (IV), and diphenyl disulfide (V).
ChemInform Abstract: Reaction of 2′‐Hydroxychalcones with Diiodomethane: A Reinvestigation.
Authors: MOHANTY S. , JAIN P. K. , MAKRANDI J. K. , GROVER S. K.
Published: May 2016

Reaction of the hydroxychalcones (I) with diiodomethane (II) under the conditions indicated yields the products (III).
ChemInform Abstract: Esters of 1,2‐Diphenylcyclopropenecarboxylic Acid from Acetylenic Alcohols and Glycols.
Authors: IVANOV A. L. , DOMNIN I. N. , FAVORSKAYA I. A.
Published: May 2016

The hitherto unknown title compounds (III), (V), (VII) and (VIII) are prepared and characterized by their IR, 1H NMR and mass spectra and, except (VIII), by their 13C NMR data.
ChemInform Abstract: Calix(4)arenes with Four Differently Substituted Phenolic Units.
Authors: BOEHMER V. + , MARSCHOLLEK F. , ZETTA L.
Published: May 2016

The calix(4)arenes (XI) mentioned in the title are prepared from the o‐bromophenol (I) and the phenols (IV) and (VII) as shown in the reaction scheme.
ChemInform Abstract: Formation and Rearrangement of 8a‐Benzyl‐2‐tert‐butyl‐1(8aH)‐naphthalenone, a Ketone with a Ring System Consisting Entirely of Fused Blocked Aromatic Rings.
Authors: MILLER B. , BAGHDADCHI J.
Published: May 2016

The naphthalenone (IV) mentioned in the title is prepared by reduction of the naphthol (I), followed by alkylation with benzyl bromide (III).
ChemInform Abstract: 2,6‐, 2,7‐ and 1,5‐(Carboxymethyloxy)‐(carboxymethylmercapto)naphthalenes.
Authors: LISITSYN V. N. , TSATSAKIS A. M. , TRUSHKINA T. V.
Published: May 2016

A convenient method for the preparation of the title compounds (VIII) is reported.
ChemInform Abstract: Synthesis of the Parent 1,7‐Cyclohexenonorbornadiene and Its Quadricyclane Valence Tautomer.
Authors: PAQUETTE L. A. , RACHERLA U. S.
Published: May 2016

Cyclopentadiene (I) is coupled with ethyl γ‐bromobutyrate (II) to produce the ketone (III) which is reduced and dehydrated to form the triene (IV).
ChemInform Abstract: Hyper‐Acyloin Condensation, from Simple Aromatic Esters to Phenanthrenequinones: A New Reaction of C8K.
Authors: TAMARKIN D. , RABINOVITZ M.
Published: May 2016

The benzoic acid esters (I) are treated with freshly prepared potassium graphite (II) to form the phenanthrenequinones (III).
ChemInform Abstract: Electron‐Transfer Reactions of Non‐Alternant Quinoid and Hydroquinoid Compounds: Single‐Electron‐Transfer Oxidation of 5,12‐Dimethoxynaphth(2,3‐a)azulene.
Authors: BINDL J. , SEITZ P. , SEITZ U. , SALBECK E. , SALBECK J. , DAUB J.
Published: May 2016

The title compound (I) is subjected to single‐electron‐transfer oxidation by chemical and electrochemical methods.
ChemInform Abstract: Trichloroethylidenarenesulfonamides in the Reactions with Furan and Its Derivatives.
Authors: LEVKOVSKAYA G. G. , EVSTAF'EVA I. T. , MIRSKOVA A. N. , ZHURAVLEV S. N. , KUL'NEVICH V. G.
Published: May 2016

The title compounds (III) are prepared from (I) and trichloroethene (II) by a well known one‐step procedure.
ChemInform Abstract: Intramolecular Reductive Cyclization of Unsaturated Keto or Aldo Esters by Samarium(II) Iodide: A Ready Synthesis of Bicyclic γ‐Lactones.
Authors: FUKUZAWA S. , IIDA M. , NAKANISHI A. , FUJINAMI T. , SAKAI S.
Published: May 2016

The oxoalkenoic esters (Ia) ‐ (Ie) are cyclized upon treatment with samarium(II) iodide to produce a mixture of the trans‐ and cis‐fused bicyclic γ‐lactones (II) and (III).
ChemInform Abstract: Ring‐Enlarging Furan Annulations.
Authors: HERRINTON P. M. , HOPKINS M. H. , MISHRA P. , BROWN M. J. , OVERMAN L. E.
Published: May 2016

Treatment of the vinyldioxolanes (I) and (III) with Lewis acids results in ring‐enlargement, forming the oxocycloheptatetrahydrofurans (II) and (IV).
ChemInform Abstract: 4‐Bromo‐2‐sulfolenes. Butadienyl Cation Equivalents.
Authors: CHOU T. , HUNG S. C. , TSO H.‐H.
Published: May 2016

The 4‐bromo‐2‐sulfolenes (I) react with the alkyl cuprates (II) or thiophenol (V), giving the 3‐sulfolenes (III) or the 2‐sulfolenes (IV) and (VI).
ChemInform Abstract: 2,6‐Diaza‐s‐indacenes.
Authors: CLOSS F. , GOMPPER R. , NAGEL U. , WAGNER H.‐U.
Published: May 2016

The structure of the title compound (V), prepared starting from the imide (I), is confirmed by X‐ray analysis (space group C2/c with Z=4).
ChemInform Abstract: Regiochemistry of Palladium‐Catalyzed Arylation Reactions of Enol Ethers. Electronic Control of Selection for α‐ or β‐Arylation.
Authors: ANDERSSON C.‐M. , HALLBERG A. , DAVES G. D. JUN.
Published: May 2016

Palladium‐catalyzed reaction of the phenyl halides (I) with butyl vinyl ether (II) and butyl Z‐1‐propenyl ether (VII) yields the arylation products (III) ‐ (V) and (VIII) ‐ (XI).
ChemInform Abstract: Claisen Rearrangement of Z‐ and E‐4,5‐Dimethoxy‐2‐prenyloxycinnamic Acids: Formation of Scopoletin, Suberosin and 3‐Prenylscoparone.
Authors: KOUL S. K. , TANEJA S. C. , DHAR K. L.
Published: May 2016

In order to prepare the methyl ether of obliquetin, scoparone (I) is transformed to the Z‐acid (III) which is subjected to Claisen rearrangement.
ChemInform Abstract: Reaction of Phenol with Phenylacetylene in the Presence of Aluminum Phenoxide.
Authors: KOZLIKOVSKII YA. B. , KOSHCHII V. A. , BUTOV S. A.
Published: May 2016

Reaction of phenol (I) with phenylacetylene (II) in the presence of aluminum phenoxide gives the products (III) ‐ (VIII) depending on the reaction conditions and the molar ratio.
ChemInform Abstract: Synthesis of Sterically Hindered 4‐Dialkylamino Pyridines.
Authors: JOINER K. A. , KING F. D.
Published: May 2016

The 4‐chloropyridine N‐oxide (Ia) undergoes substitution with the amines (IIa) and (IId), yielding the 4‐amino derivatives (III).
ChemInform Abstract: Stereochemistry of Nitrogen Heterocycles. Part 64. Synthesis and Configuration of the Isomers of 2e‐Methyl‐5‐ethynyl‐trans‐decahydroquinolin‐5‐ol. Correlation of the Structure with IR and PMR Spectra.
Authors: LITVINENKO G. S. , KUZ'MINA N. YU.
Published: May 2016

The stereochemistry of the ethynylation of 2e‐methyl‐trans‐decahydroquinolin‐5‐one (I) is investigated.
ChemInform Abstract: Research on Substances which Inhibit Amine Oxidases. Part 3. Synthesis and Amine Oxidase Inhibition of Imidazoquinoline Derivatives.
Authors: CHIMENTI F. , BOLASCO A. , VOMERO S. , CASANOVA M. C. , BEFANI O. , SABATINI S. , TURINI P. , MONDOVI B. , GAGLIARDI L.
Published: May 2016

The diamine (I) undergoes cyclocondensation with formic acid (II) or the imino esters (III) to give the imidazoles (IV).
ChemInform Abstract: Synthesis of Some Substituted N‐Methylimidazole Derivatives.
Authors: EL BORAI M. , HASSAN M. A. , MOHAMED M. M.
Published: May 2016

Various N‐methylimidazoles are prepared as shown in the reaction scheme.
ChemInform Abstract: Synthesis and Antiparasitic Activity of Some New 1‐(6/7‐Nitrobenzoxazin‐3‐yl)‐4‐substituted‐3‐thiosemicarbazides and 4‐Disubstituted 3‐(6‐Acetylbenzoxazin‐3‐one)thiosemicarbazones.
Authors: SHRIDHAR D. R. , RAO K. S. , RASTOGI K. , JAIN M. L.
Published: May 2016

Title compounds of type (IV) and (VI) are prepared as shown and tested for their pharmacological effects.
ChemInform Abstract: Synthesis of a New Benzopyranobenzoxazine Ring System.
Authors: MULAY B. D. , KELKAR S. L. , WADAI M. S.
Published: May 2016

The complex prepared from phosphoryl chloride and the nitrophenoxyacetamide (II) is coupled with the salicylaldehydes (I) to form the nitrophenoxycoumarins (III).
ChemInform Abstract: Heterocyclic Systems Containing Bridgehead Nitrogen Atom. Part 60. Synthesis of Thiazolo(2′,3′:3,4) (1,2,4)triazino(5,6‐b)indoles.
Authors: DAHIYA R. , NARAYAN S. , BINDAL V. , KUMAR V. , HANDA R. N. , PUJARI H. K.
Published: May 2016

Reaction of the isatins (I) with thiosemicarbazide (II) yields the derivatives (III).
ChemInform Abstract: Reactivity of 3‐Aryl‐4‐amino‐5‐mercapto‐4H‐1,2,4‐triazoles: Synthesis and Biological Evaluation of 3,6‐Diaryl Derivatives of 7H‐1,2,4‐Thiazolo(3,4‐b)(1,3,4)thiadiazine and of 3‐Aryl‐4‐amino‐5‐carboxymethylthio4H‐1,2,4‐triazoles.
Authors: MAZZONE G. , BONINA F. , PANICO A. M. , AMICO‐ROXAS M. , CARUSO A. , BLANDINO G. , VANELLA A.
Published: May 2016

Reaction of the mercaptooxadiazoles (I) with hydrazine and the bromoacetylarenes (III) yields the triazolothiadiazines (IV) via the aminomercaptotriazoles (II) or via the oxadiazoles (V).
ChemInform Abstract: (2 + 2) Cycloaddition of Dichloroketene to Allyl Ethers and Thioethers.
Authors: JOHNSTON B. D. , CZYZEWSKA E. , OEHLSCHLAGER A. C.
Published: May 2016

(2 + 2)Cycloaddition reaction of the allyl (thio)ethers (I) and (V) with dichloroketene produces the dichlorocyclobutanones (III) and (VI) which are reductively dechlorinated, yielding the cyclobutanones (IV) and (VII).
ChemInform Abstract: Synthesis and Structural Aspects of (2,5)‐1,3,4‐Thiadiazolo and (3,5)‐1,3,4‐Thiadiazolino Thia Crown Ethers.
Authors: PAPPALARDO S. , BOTTINO F. , TRINGALI C. , FRONCZEK F. R.
Published: May 2016

The (2,5)‐1,3,4‐thiadiazolo crown ethers (III) are prepared by ring closure of the dipotassium salt (I) with the dihalides (II) using the high dilution method.
ChemInform Abstract: Chemistry of 4‐Chloro‐1,3,5,7‐tetramethyl‐1,3,5,7‐tetraaza‐4λ5‐phosphaspiro(3.3)hepta# ne‐2,6‐dione; Crystal and Molecular Structure of a Chlorotetraaza‐ and of two Pentaazaphosphoranes.
Authors: SCHOMBURG D. , WERMUTH U. , SCHMUTZLER R.
Published: May 2016

The title compounds (III) prepared from (I) and (II) is converted into their derivatives (Va)‐(Ve) according to the scheme.
ChemInform Abstract: An Efficient Synthesis of Alkyl and Aryl Chalcogenated Derivatives of Tetrathiafulvalene.
Authors: HSU S.‐Y. , CHIANG L. Y.
Published: May 2016

Tetrathiofulvalene (I) is treated consecutively with LDA, selenium powder and the alkyl halides (II), yielding the tetrakis(alkylseleno) derivatives (III).
ChemInform Abstract: Preparation of Arylpropiolate Esters from Trichlorocyclopropenium Cation and Elaboration of the Esters to Unsymmetrical 1,4‐Pentadiyn‐3‐ ones and Unsymmetrical Tellurapyranones.
Authors: WADSWORTH D. H. , GEER S. M. , DETTY M. R.
Published: May 2016

Substitution reaction of the trichlorocyclopropenium salt, obtained from tetrachlorocyclopropene (I), with the aromatic compounds (II) and subsequent ring cleavage with the alcohols (III) produce the arylpropiolate orthoesters (IV) which are hydrolyzed to form the alkyl arylpropiolates (V).
ChemInform Abstract: Organotransition‐Metal Metallacarboranes. Part 11. Chromium Tricarbonyl η6‐Complexes of nido‐2,3‐(PhCH2)2C2B4H6: Metal Complexation and Oxidative Fusion.
Authors: WHELAN T. , SPENCER J. T. , POURIAN M. R. , GRIMES R. N.
Published: May 2016

The consequences of η6‐phenyl coordination of Cr(CO)3 groups on the chemistry of the carborane (I) are investigated.
ChemInform Abstract: Reductive Chemistry of Nickel Hydroporphyrins: The Nickel(I) Octaethylisobacteriochlorin Anion.
Authors: STOLZENBERG A. M. , STERSHIC M. T.
Published: May 2016

Cyclic voltammograms of the Ni(II) complexes of octaethylporphyrin, octaethylchlorin, and octaethylisobacteriochlorin in nitrile solvents show only a single reversible one‐electron reduction.
ChemInform Abstract: Synthesis of a Heteroatom‐Stabilized Rhodiumcarbene Complex by Reaction of CpRh(CO)2 with (Butadiene)zirconocene.
Authors: ERKER G. , LECHT R. , TSAY Y.‐H. , KRUEGER C. +
Published: May 2016

The zirconocene (I) reacts at room temp. with the Rh carbonyl (II) to give the metallacyclic Rh carbene complex (III).
ChemInform Abstract: Electrophilic Destannylation: Stereospecific Introduction of Electrophiles at the 21 Position of (17α)‐19‐Norpregna‐1,3,5(10),20‐tetraene‐ 3‐17β‐diols.
Authors: HANSON R. N. , EL‐WAKIL H.
Published: May 2016

The tributylstannylnorpregnatetraenediol (I), prepared from estrone and E‐1,2‐bis(tributylstannyl)ethene, undergoes protio‐ and deuteriodestannylation with trifluoroacetic acid or trifluoroacetic anhydride/D2O to give the norpregnatetraenediol (IIa) and (IIb).
ChemInform Abstract: Synthesis of 5′‐Carboxy‐N′‐nitrosonornicotine and 5′‐((14C)Carboxy)‐N′‐nitrosonornicotine.
Authors: ABBASPOUR A. , HECHT S. S. , HOFFMANN D.
Published: May 2016

5'‐Carboxy‐N'‐nitrosonornicotine (IX) is prepared as shown in the reaction scheme.
ChemInform Abstract: Organic Compounds with Polyvalent Iodine ‐ Derivatives of Iodosobenzene
Authors: MERKUSHEV E. B.
Published: May 2016

Review: (300 refs.
ChemInform Abstract: Synthesis of ZSM‐5 Zeolites in the C2H5OH‐Na2O‐Al2O3‐SiO2‐H2O System.
Authors: COSTA E. , UGUINA M. A. , DE LUCAS A. , BLANES J.
Published: May 2016

The influence of the initial gel composition, temp., stirring velocity, and seeding on the formation rate of ZSM‐5 zeolite has been investigated and a semiempirical mathematical model of the kinetics of zeolite growth has been developed, which reproduces the experimental data with deviations of less than 10%.
ChemInform Abstract: Ru/Alumina and Ru‐Mo/Alumina Catalysts: An XPS Study.
Authors: MITCHELL P. C. H. , SCOTT C. E. , BONNELLE J. P. , GRIMBLOT J. G.
Published: May 2016

XPS results are reported for Ru/Al2O3 and Ru‐Mo/Al2O3 catalysts prepared by impregnation of γ‐Al2O3 and Mo/Al2O3 with aqueous Ru‐acetate, dried at 393 K, calcined in air at 873 K, and sulfided in H2/H2S. According to the respective binding energies, the Ru and Mo species are RuO2 and oxo‐molybdenium(IV) in the calcined catalysts and RuS2 and MoS2 in the sulfided catalysts.
ChemInform Abstract: Chromatographic Determination of the Solubility of Low Soluble Substances ‐ A Practical Possibility.
Authors: KOWALSKA T.
Published: May 2016

Using selected examples the determination of the solubility of poorly soluble substances with the help of planar chromatography is demonstrated.
ChemInform Abstract: Complexes of Aminophosphonates. Part 1. Transition Metal Complexes of Aminophosphonic Acid Analogues of α‐Alanine. β‐Alanine, Phenylalanine and Tyrosine.
Authors: KISS T. , BALLA J. , NAGY G. , KOZLOWSKI H. , KOWALIK J.
Published: May 2016

The stoichiometries and stability constants of the proton, Co(II), Ni(II), Cu(II), and Zn(II) complexes of the title phosphonic acids (I) and (II) are determined pH‐metrically.
ChemInform Abstract: Medium Effects and the Nature of the Rate‐Determining Step in Mannich‐Type Cyclizations.
Authors: MCCANN S. F. , OVERMAN L. E.
Published: May 2016

The effect of solvent and external nucleophiles is studied on the cyclization of the amines (I), (IV) containing a vinyl silane terminator of the amine (VI) containing a butenyl terminator, and of the amines (IX), (XII) containing both a vinyl silane and a butenyl terminator.
ChemInform Abstract: Carbanion Spectroscopy: CH2CN‐.
Authors: MORAN S. , ELLIS H. B. JUN. , DEFREES D. J. , MCLEAN A. D. , ELLISON G. B.
Published: May 2016

From photoelectron spectra the electron affinities EA(CH2CN) = 1.543 ±0.014 eV and EA(CD2CN) = 1.538 ±0.012 eV are obtained.
ChemInform Abstract: A Phenylcarbene Transfer System.
Authors: CUNICO R. F. , CHU K. S.
Published: May 2016

The (1,1‐dichlorobenzyl)silane (III) is prepared from benzotrichloride (I) and chlorotrimethylsilane (II) in the presence of metallic magnesium and is then treated with potassium fluoride in the presence of a crown ether, forming the chlorophenylcarbene (IV).
ChemInform Abstract: Oxidation of Cyclohexane with Hydrogen Peroxide Catalyzed by Vanadium(V).
Authors: GEKHMAN A. E. , SHISHKIN D. I. , MOISEEV I. I.
Published: May 2016

The title reaction gives mixtures of cyclohexanol (II) and cyclohexanone (III).
ChemInform Abstract: A Facile, Efficient Route to Methyl α‐Hydroxymethylacrylate and Methyl α‐Halomethylacrylates.
Authors: DREWES S. E. , LOIZOU G. , ROOS G. H. P.
Published: May 2016

Methyl acrylate (I) is coupled with paraformaldehyde (II) in the presence of diazabicyclooctane to produce a mixture of the hydroxymethylacrylate (III) and the corresponding symmetric ether (IV).
ChemInform Abstract: Synthesis of N‐(E)‐(4‐Methoxystyryl)benzamide (Alatamide).
Authors: GHOSH S. , DATTA D. B. , SEN N.
Published: May 2016

In order to prepare p‐methoxystyrylbenzamide (IX), the imine (I) is allowed to react with benzoyl chloride (II).
ChemInform Abstract: Synthesis of (2‐ or 6‐Thio)‐4‐tert‐butylphenols.
Authors: ZEINALOV A. M. , ASLANOV I. A. , MAMEDOV V. N. , ALIEV A. M. , GUSEINOV R. I.
Published: May 2016

The thioether (II) is obtained by reaction of the phenol (I) with disulfur dichloride and subsequent reduction with zinc.
ChemInform Abstract: Epoxidation Catalyzed by Mn(III) TPPCl Using Dioxygen Activated by a Novel System Containing N‐Hydroxyphthalimide and Styrene.
Authors: MASUI M. , TSUCHIDA K. , KIMATA Y. , OZAKI S.
Published: May 2016

Mixtures of styrene (I) and cyclohexene (II) are oxidized with molecular oxygen, activated by a system of Mn(III)‐tetraphenylporphyrin chloride, N‐hydroxyphthalimide, and pyridine, to yield styrene oxide (III), benzaldehyde (IV), cyclohexene oxide (V), cyclohexanol (VI), and cyclohexanone (VII).
ChemInform Abstract: Photoaddition of Allylic and Benzylic Groups to 1,1‐Dicyanoethenes Bearing Heterocyclic Substituents by Use of Organic Stannanes.
Authors: MIZUNO K. , TODA S. , OTSUJI Y.
Published: May 2016

The 2‐(2',2'‐dicyanoethenyl)furans or thiophenes (I) are coupled with the allylic stannanes (II) upon photolysis in the presence of phenanthrene to give the homoallylfurans or thiophenes (III).
ChemInform Abstract: Highly Regioselective Synthesis of Trisubstituted Pyrrolidines by 1,3‐Cycloaddition.
Authors: IMAI N. , ACHIWA K.
Published: May 2016

The silylmethylimine (I) is desilylated to form the carbanion salt (II) which undergoes 1,3‐dipolar cycloaddition with the activated olefins (III), yielding the pyrrolidines (IV).
ChemInform Abstract: Cyclic Carbonate Formation from Carbon Dioxide and Oxiranes in the Presence of Organotin Halide‐Complexed Catalysts.
Authors: BABA A. , NOZAKI T. , MATSUDA H.
Published: May 2016

The carboxylation of the oxiranes (I), yielding the cyclic carbonates (III), is investigated in the presence of various catalyst systems consisting of an organotin halide and a phosphorus or antimony compound.
ChemInform Abstract: Studies on 4‐Thiazolidinones. Preparation and Antimicrobial Activity of α‐Phenyl‐2‐(2′,5′‐dihydroxy‐3′‐bromophenyl)‐3‐aryl‐5‐carboxymethyl‐4‐ thiazolidinones, α‐Methyl‐2‐(2′‐hydroxy‐3′‐nitro‐5′‐benzyl)‐3‐aryl‐5‐H/ carboxymethyl‐4‐thiazolidinones, and α‐Methyl‐2‐(2′‐hydroxy‐3′‐nitro‐ 5′‐chlorophenyl)‐3‐aryl‐5‐H/carboxymethyl‐4‐thiazolidinones.
Authors: KALAIYA S. B. , PARIKH A. R.
Published: May 2016

The thiazolidinones (V) are prepared by coupling thioglycolic acid (IVa) or thiomalic acid (IVb) with the anils (III), obtained from the ketones (I) and the aromatic amines (II).
ChemInform Abstract: Synthesis of 3‐Arylcoumarins, 2‐Aroylbenzofurans, and 3‐Aryl‐2H‐1,4‐ benzoxazines Under Phase‐Transfer Catalysis Conditions.
Authors: SABITHA G. , RAO A. V. S.
Published: May 2016

The 2‐hydroxyaryl carbonyl compounds (I) are coupled with the phenacetyl chlorides (II) or the phenacyl bromides (IV) under phase‐transfer conditions to produce the 3‐arylcoumarins (III) or the 2‐aroylbenzofurans (V).
ChemInform Abstract: Synthesis of 6‐(Ethoxymethylenamino)‐1,2,4‐triazolo(3′,4′:5,1)(1,2,4)triazolo(4,3‐a)quinazolin‐7(6H)‐one.
Authors: LIU K.‐C. , HU M.‐K.
Published: May 2016

Refluxing the aminohydrazinoquinazoline (I) with triethyl orthoformate (II) yields the title compound (III).
ChemInform Abstract: Chemistry of Silicon‐Sulfur Compounds. Part 47. Protolytic Splitting of the Si‐S Bond of Trialkoxysilanethiols and Preparation of Trialkoxyorganoxysilanes.
Authors: PRZYJEMSKA K. , WOJNOWSKI W.
Published: May 2016

The protolytic splitting of the Si‐S bond of the silanethioles (I) by alcohol (at 20 °C) and phenols (II) (at 70‐100 °C) in the presence of pyridine is investigated.
ChemInform Abstract: Synthesis and Reactivity of Phosphorus Tris(isocyanate).
Authors: KIJIMA I. , WAKESHIMA I. , OSADA T. , HIRADE S.
Published: May 2016

Phosphorus tris(isocyanate) (III) is prepared from phosphorus trichloride (I) and sodium cyanate (II) in the presence of various additives.
ChemInform Abstract: Reaction of N,N,N′,N′,N′′,N′′‐Hexamethyl‐N′′′‐trimethylsilylphosphorimidic Triamide with Xenon Difluoride.
Authors: MARTYNOV I. V. , GAFUROV R. G. , USTINOV A. K. , ALEINIKOV N. N. , KASHTANOV S. A.
Published: May 2016

Reaction of the trimethylsilylphosphorimidic triamide (I) with xenon difluoride (II) gives the N'''‐fluoro compound (III).
ChemInform Abstract: Photophysics of Ce3+ Cryptates.
Authors: BLASSE G. , DIRKSEN G. J. , SABBATINI N. , PERATHONER S.
Published: May 2016

The Ce3+ complexes of the cryptands (I) show efficient UV luminescence at room temp.; the Stokes shift of the emission is smaller in the solid state than in solution.
ChemInform Abstract: Subvalent Group 14 Metal Compounds. Part 11. Oxidative Addition Reactions of Organic Halides or Acid Anhydrides (Including CH4‐nCln, PhBr, BrN(SiMe3)2, ButCOCl, or (CF3CO)2O) to Some Bivalent Group 14 Metal Amides or Alkyls.
Authors: LAPPERT M. F. , MISRA M. C. , ONYSZCHUK M. , ROWE R. S. , POWER P. P. , SLADE M. J.
Published: May 2016

The tin(II) or germanium(II) amides (I) react with trifluoroacetic anhydride (II), the alkyl(aryl) halides (IV), or the acyl chlorides (VI), forming the adducts (III), (V), or (VII).
ChemInform Abstract: Synthesis, Characterization, and Interconversion of the Niobotungstic Acid Nb2W4O19H3‐, Its Anhydride, and Its Alkyl/Silyl Esters.
Authors: DAY V. W. , KLEMPERER W. G. , SCHWARTZ C.
Published: May 2016

Protonation of (I) occurs predominantly at the unique bridging ONb2 O atom and leads to the tetrabutylammonium salt of the title acid (II).
ChemInform Abstract: Oxidation of Molecular Bromine by Uranium Hexafluoride in Acetonitrile. Preparation and Properties of Hexafluorouranates(V) Containing Positive Bromine.
Authors: MCGHEE L. , RYCROFT D. S. , WINFIELD J. M.
Published: May 2016

Bromine (II) is oxidized with uranium hexafluoride (I) in acetonitrile (III) to form the hexafluorouranate (IV) in which the bromonium ion is bound to an acetonitrile trimere.
ChemInform Abstract: Electrontransfer Barriers in CoN3+ 6/CoN2+ 6 Couples as a Function of the Ligand Structure. Correlations Between the Structure and Redox Reactivity.
Authors: VENTUR D. , WIEGHARDT K. , NUBER B. , WEISS J.
Published: May 2016

The redox reactivity of a series of complexes of the type CoN63+ containing two saturated triamine ligands such as (I)‐(VI) is systematically investigated.
ChemInform Abstract: Dioxygen‐Copper Reactivity: Hydroxylation‐Induced Methyl Migration in a Copper Monooxygenase Model System.
Authors: KARLIN K. D. , COHEN B. I. , JACOBSON R. R. , ZUBIETA J.
Published: May 2016

The addition of O2 to the binuclear Cu(I) complex (III) prepared as shown results in hydroxylation of the ligand with the concomitant migration of the 2‐methyl group on the aromatic ring and loss of one ligand arm giving the isolated complex (IV).
ChemInform Abstract: Late‐Transition‐Metal μ‐Oxo and μ‐Imido Complexes. Part 1. μ‐Oxo Complexes of Rhodium and Iridium.
Authors: SHARP P. R. , FLYNN J. R.
Published: May 2016

The isolation of the complexes (III) is accompanied by partial decomposition.
ChemInform Abstract: Rh(III), Pd(II), Pt(IV) and Au(III) Complexes of 2‐Thiopyrimidine Derivatives.
Authors: SANCHEZ SANCHEZ M. P. , SALAS PEREGRIN J. M. , ROMERO MOLINA M. A.
Published: May 2016

The complexes (I)‐(IV) are synthesized by heating at 60 °C equimolar amounts of the ligand with the salts RhCl3·H2O, PdCl2, PtCl4 and HAuCl4, respectively.
ChemInform Abstract: A New Approach to Anellated Butenolides. The Total Synthesis of (.+‐.)‐Isodrimenin (VIII).
Authors: JANSEN B. J. M. , PEPERZAK R. M. , DE GROOT AE.
Published: May 2016

The first synthetic pathway leading to the title compound (±)‐(VIII) follows a literature procedure starting from the decalone (I).
ChemInform Abstract: A Novel Synthesis of Vinblastine Derivatives. Part 4. Synthesis of 20′‐Deethyl‐20′‐deoxyvinblastine and 20′‐Deethyl‐20′‐deoxyvincovaline via 3,Nb‐seco‐Cleavamine Derivatives as Intermediates.
Authors: SCHILL G. , PRIESTER C. U. , WINDHOEVEL U. F. + , FRITZ H.
Published: May 2016

The title intermediates (X) are prepared starting from the diene (I).
ChemInform Abstract: A Novel Pentacyclic Aromatic Alkaloid from a Ascidian.
Authors: BLOOR S. J. , SCHMITZ F. J.
Published: May 2016

The new alkaloid, which is isolated from an ascidian tentatively identified as a Leptoclinides species, is investigated by chemical and physical methods.
ChemInform Abstract: Kalihinols, Multifunctional Diterpenoid Antibiotics from Marine Sponges Acanthella spp.
Authors: CHANG C. W. J. , PATRA A. , BAKER J. A. , SCHEUER P. J.
Published: May 2016

The structures of the kalihinols A‐H and X‐Z, represented by the formulas (I) and (II), are established by physical methods.
ChemInform Abstract: Determination of Surface State Densities from Transient Rotating Ring‐Disc Electrode Measurements Demonstrated on an n‐TiO2 Electrode.
Authors: LINDQUIST S.‐E. , VIDARSSON H.
Published: May 2016

It is demonstrated that the surface state density can be determined by simple ring‐current transient measurements and the equipment for the photoelectrochemical measurements is described in detail.
ChemInform Abstract: Chemistry and Structural Chemistry of Phosphides and Polyphosphides. Part 44. Tricesium Heptaphosphide Cs3P7: Preparation, Structure, and Properties.
Authors: MEYER T. , HOENLE W. + , VON SCHNERING H. G.
Published: May 2016

Single crystals of tricesium heptaphosphide are prepared by annealing stoichiometric mixtures of the elements at 1170 °C (60 h) under argon.
ChemInform Abstract: Absorptiometric and Fluorimetric Study of Solvent Dependence and Prototropism of 2‐Substituted Benzimidazole Derivatives.
Authors: SINHA H. K. , DOGRA S. K.
Published: May 2016

A study of the effects of solvents on the absorption and fluorescence spectra of the benzimidazoles (I) and (II) shows that the lowest‐energy transition of (Ia) is of π‐π* character, and that of (Ib) and (II) is of CT character.
ChemInform Abstract: Complete Chiral Discrimination in Bilipeptides: The Chiroptical Properties of the Bilatriene Helix.
Authors: KROIS D. , LEHNER H.
Published: May 2016

CD and UV‐VIS data are given for the bilipeptides (I) prepared according to a literature procedure.
ChemInform Abstract: Polymeric Thiolate Complexes of Group 12 Metals. Crystal and Molecular Structures of catena‐(μ‐(3‐Dimethylammonio‐1‐propanethiolate))‐dichlorocadmium(II) and Bis(3‐(dimethylammonio)propyl) Disulfide Tetrabromocadmate(II).
Authors: CASALS I. , GONZALEZ‐DUARTE P. , SOLA J. , FONT‐BARDIA M. , SOLANS J. , SOLANS X.
Published: May 2016

The complexes (III) and (IV) are isolated as a mixture (no yields given).
ChemInform Abstract: The Aluminum‐Bromide‐Catalyzed Adamantane Rearrangement of syn‐ and anti‐Tricyclo(4.2.1.12,5)decane.
Authors: BROSSI M. , GANTER C.
Published: May 2016

In the presence of AlBr3 in CS2 at temperatures below 0 °C, the syn‐tricyclodecane (I) isomerizes exclusively to the anti‐isomer (II) at a higher rate than the latter rearranges to (III).
ChemInform Abstract: Stoichiometry and Kinetics of the Low‐Temperature Oxidation of L2Cu2Cl2 (L: N,N,N′,N′‐Tetraethylethylenediamine) by Dioxygen in Methylene Chloride and Properties of the Peroxocopper Products.
Authors: DAVIES G. , EL‐SAYED M. A. , HENARY M.
Published: May 2016

The products of oxidation of (I) with O2 in CH2Cl2 depend on the reaction temperature.
ChemInform Abstract: Solid State Bromination with the Sulfonium Tribromide Crystals.
Authors: OHASHI T. , MIYOSHI F. , SAWADA Y.
Published: May 2016

When trans‐stilbene (I) is allowed to react with 1‐methylthianium tribromide (II) in the solid state, meso‐1,2‐dibromo‐1,2‐diphenylethane (III) is formed.
ChemInform Abstract: Olefin Synthesis by Reductive Elimination Reactions of β‐Nitro Sulfides.
Authors: ONO N. , KAMIMURA A. , KAWAI S. , KAJI A.
Published: May 2016

The α‐(nitro)arylalkenes (I) and (III) are converted to the styrenes (II) or stilbenes (IV) by reaction with thiophenol in the presence of sodium sulfide.
ChemInform Abstract: An Extension of the Hurtley Reaction to Heterocyclic Nucleophiles.
Authors: LOWE J. A. III , NEWMAN M. E.
Published: May 2016

The N‐methylisoquinolinedione (I) is coupled with the bromoarenes (II) in the presence of sodium ethoxide and copper powder or copper(I) bromide to produce the 4‐arylisoquinolinediones (III).
ChemInform Abstract: Asymmetric Carbon Dioxide Fixation into Optically Active Propylene Carbonate by the Reactions of Propylene Bromohydrins.
Authors: TAKEICHI T. , OZAKI Y. , TAKAYAMA Y.
Published: May 2016

The bromohydrin (I) is carbonylated in the presence of a chiral cobalt catalyst, yielding the optically active carbonate (III), oxirane (IV), and the regioisomeric bromohydrin (V).
ChemInform Abstract: Synthesis of Z‐1‐Bromo‐1‐alkenylbenzenes.
Authors: OLIVA A. , MOLINARI A.
Published: May 2016

The 1‐phenyl‐1‐silylalkenes (I) are brominated.
ChemInform Abstract: Synthesis of 2,3,5‐Trihydroxyphenylprop‐1‐ene and Its 4‐Chloro, 6‐Chloro, and 4,6‐Dichloro Derivatives.
Authors: HILL R. A. , MACAULAY G. S. , MACLACHLAN W. S.
Published: May 2016

The starting compounds (I) ‐ prepared from vanillin or 3,5‐dimethoxytoluene ‐ are converted to the phosphonamides (III), which undergo deprotection, cycloelimination and acetylation to give the acetates (Va) and (Vb).
ChemInform Abstract: An Efficient Synthesis of Perfluoroalkyl Ketones Using Perfluoroalkyllithiums.
Authors: UNO H. , SHIRAISHI Y. , SIMOKAWA K. , SUZUKI H.
Published: May 2016

The esters (I) are coupled with perfluoroalkyl iodides (II) in the presence of methyllithium and LiBr to give the perfluoroalkyl ketones (IV) via the intermediates (III).
ChemInform Abstract: α‐Methoxy Ketones by the Reaction of Trimethylsilyl Enol Ethers with Lead Tetraacetate in Methanol.
Authors: MORIARTY R. M. , PRAKASH I. , PENMASTA R.
Published: May 2016

The (het)aryl or tert‐butyl methyl ketones (I) are converted to the corresponding trimethylsilyl enol ethers (III).
ChemInform Abstract: Zinc(0)‐Copper(I) Chloride Promoted Reaction of Methyl Dichlorofluoroacetate with Carbonyl Compounds. A New Efficient Method for the Synthesis of Methyl (Z)‐α‐Fluoro‐α,β‐Unsaturated Carboxylates.
Authors: ISHIHARA T. , KUROBOSHI M.
Published: May 2016

Methyl dichlorofluoroacetate (I) and the aldehydes (II) couple in the presence of Zn(0), CuCl, acetic anhydride, and molecular sieves to give the α‐fluoro‐α,β‐unsaturated esters (III).
ChemInform Abstract: α,β‐Unsaturated Orthoesters as Michael Acceptors. The Trityl Salt‐Catalyzed Michael Reaction of α,β‐Unsaturated Orthoesters with Silyl Enol Ethers.
Authors: KOBAYASHI S. , MUKAIYAMA T.
Published: May 2016

Unsaturated orthoesters such as (I) are coupled with the silyl enol ethers (II) in the presence of trityl perchlorate as a catalyst to give the adducts (III).
ChemInform Abstract: A New Entry to 1,2,4‐Benzenetriol Congeners.
Authors: OZAKI Y. , KIM S.‐W.
Published: May 2016

The 1‐alken‐3‐ones (Ia) and the α,α‐bis(ethylthio) ester (IIb) or the α,β‐unsaturated esters (Ib) and the bissulfenyl ketone (IIa) undergo cyclocondensation to produce the bis(sulfenyl)cyclohexanediones (III) which are deprotected, forming the trihydroxybenzenes (IV).
ChemInform Abstract: The Effects of Various Additives on the Regioselectivity of the Reactions of Allyl Dithiocarbamate with Aldehydes.
Authors: HAYASHI T. , IKEDA K. , OISHI T.
Published: May 2016

The coupling of the allylic dithiocarbamate (I) with isobutyraldehyde (II) is performed in the presence of various additives to give the hydroxyalkenyl dithiocarbamates (III) and (IV).
ChemInform Abstract: Thermal Decomposition of 7‐Isopropylidene‐2,3‐dioxabicyclo(2.2.1)heptane: Evidence for Allene Oxide and Cyclopropanone Intermediates.
Authors: ERDEN I. , AMPUTCH M. A.
Published: May 2016

Thermolysis of the bicyclic peroxide (I) produces a mixture of the bridged dioxole (II), the oxirane (III), and the keto aldehyde (IV).
ChemInform Abstract: A Stereoselective Synthesis of cis‐4‐Acetonyl‐1‐benzyl‐3‐ethylpiperidine.
Authors: BONJOCH J. , LINARES A. , GUARDIA M. , BOSCH J.
Published: May 2016

1‐Benzyl‐3‐ethyl‐4‐piperidone (III), prepared from the piperidone (I), reacts with diethyl 2‐oxo‐propylphosphonate (IV) to form a mixture of the unsaturated ketones (V) ‐ (VII).
ChemInform Abstract: Diastereoselective Elaboration of the Carbon Skeleton of β‐Hydroxy Esters from Yeast Reductions. Preparation of (2S)‐2‐Hydroxycyclohexane Carboxylic Acids with Three Contiguous Stereogenic Centers.
Authors: SEEBACH D. , HERRADON B.
Published: May 2016

The dioxanone (II), prepared from the carboxycyclohexanol (I) by known methods, reacts with the organocuprates (III) to form the monoalkylated products (IV).
ChemInform Abstract: Reactions of Elemental Sulfur and Selenium with Some Acetylenic Compounds. Formation of Thiophenes and Selenophenes.
Authors: NAKAYAMA J. , YOMODA R. , HOSHINO M.
Published: May 2016

Treatment of 3‐butyn‐2‐one (I) with sulfur or selenium leads to the formation of the diacetylthiophenes (IIa) and (IIIa) or the diacetylselenophenes (IIb) and (IIIb).
ChemInform Abstract: A Novel Synthesis of Pyridazinones: Preparation of 3‐(1‐Aryl‐6‐(1H)‐pyridazinon‐3‐yl)‐2(1H)‐quinoxalinones.
Authors: EL ASHRY EL S. H. , EL KILANY Y. , AMER A.
Published: May 2016

Wittig reaction of the arylhydrazonoglyoxalylquinoxalinones (I) with the phosphorane (II) produces the acrylate derivatives (III).
ChemInform Abstract: A Novel Route for Macroscale Preparation of the Unsubstituted C2B4 Carborane 2,3‐Dicarba‐nido‐hexaborane(8).
Authors: HOSMANE N. S. , ISLAM M. S. , BURNS E. G.
Published: May 2016

The reaction of the nido‐carborane (I) with pure HCl in a 1:3.3 molar ratio in a high‐vacuum stainless steel cylinder produces the known derivative (IV), a mixture of Me3SiCl and (III), and the product (V), which are collected in traps held at ‐45, ‐95, and ‐196 °C. For the separation of the mixture of Me3SiCl and (III) a new procedure is used.
ChemInform Abstract: Cycloaddition Reaction of 2‐Dialkylborylamino‐N‐heterocycles with Ethoxyacetylene.
Authors: DOROKHOV V. A. , KURELLA M. G. , DEKAPRILEVICH M. O. , VORONTSOVA L. G.
Published: May 2016

Ethoxyacetylene (II) reacts with the dialkylborylaminopyridines (Ia) or the diisopropylborylaminopyrimidine (Ib) to give the (4 + 2)‐cycloaddition products (III).
ChemInform Abstract: Migration of Silicon from Oxygen to Carbon in O‐Trialkylsilyl Ketene Acetals.
Authors: RAUCHER S. , SCHINDELE D. C.
Published: May 2016

The O‐silyl‐O'‐cyclohexyl ketene acetals (III) are prepared from the cyclohexyl acetates (I) and the chlorosilanes (II) in the presence of butyllithium.
ChemInform Abstract: Synthesis of Novel Carbo‐ and Heteropolycycles. Part 6. Reactions of Some Bridgehead‐ and Bridge‐Azides Related to Adamantane with Some Selected Trivalent Phosphorus Compounds.
Authors: EGUCHI S. , TAKEUCHI H. , WATANABE N.
Published: May 2016

The reactivity of the phosphines (IIa) and (IIb) or triethyl phosphite (IIc) towards the bicyclic azides (I) is tested.
ChemInform Abstract: Synthesis and Reactions of (2‐Oxocyclobutyl)diphenylphosphine Oxide.
Authors: OKADA Y. , MINAMI T. , YAHIRO S. , KAKU H. , ISHIYAMA M.
Published: May 2016

Starting with the cyclobutenylphosphonium salt (I), the diphenylphosphinylcyclobutanone (IV) is prepared.
ChemInform Abstract: Syntheses and Reactions of Selenocarboxylic Acids.
Authors: HIRABAYASHI Y. , ISHIHARA H. , ECHIGO M.
Published: May 2016

The diacyl diselenides (I) are converted to the alkali selenocarboxylates (II) which yield the free selenocarboxylic acids (V) upon acidic treatment.
ChemInform Abstract: Reductive Telluration of Aliphatic Aldehydes with Hydrogen Telluride. A New Synthesis of Dialkyl Ditellurides.
Authors: KAMBE N. , INAGAKI T. , MIYOSHI N. , OGAWA A. , SONODA N.
Published: May 2016

The (ar)aliphatic aldehydes (Ia) ‐ (If) react with hydrogen telluride generated in situ, producing the ditellurides (III), together with minor amounts of the alcohols (II).
ChemInform Abstract: Alkoxide Complexes of Niobium(III).
Authors: COTTON F. A. , DIEBOLD M. P. , ROTH W. J.
Published: May 2016

The diamagnetic compounds (IIIa) and (IIIb) can be isolated, while (IIIa) decomposes during workup to give (IV).
ChemInform Abstract: Dimethylsilylene Insertion into Tantalum‐Hydride Bonds.
Authors: BERRY D. H. , JIANG Q.
Published: May 2016

The dimethylsilyl‐Ta compounds (I) and (II) are obtained by reaction of the hydrides (III), (V), and (VI) with hexamethylsilacyclopropane (IV) according to the scheme.
ChemInform Abstract: Chromium(III) Complexes of N‐Salicylideneamino Acid.
Authors: SHANTHI R. , NAGARAJA K. S. , UDUPA M. R.
Published: May 2016

The reaction of methanolic solution of salicylaldehyde with appropriate DL‐, or DL‐ and L‐amino acids and KOH in water followed by addition of CrCl3 (MeOH, reflux) yields the title complexes (I), containing 0‐2 mol water as hydrate.
ChemInform Abstract: Organometallic Nitrosyl Chemistry. Part 31. Reduction of ((η5‐C5H5)M(NO)I2)2 (M: Mo, W) Dimers by PMe3: Synthesis and Properties of the Novel Complexes M(NO)(PMe3)4I.
Authors: CHRISTENSEN N. J. , HUNTER A. D. , LEGZDINS P. , SANCHEZ L.
Published: May 2016

In the absence of added reducing agent PMe3 reacts with the dimers (I) in a sequential manner leading via the isolable intermediates (V) and (VI) to the new electron‐rich nitrosyl complexes (III).