bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Cyclobutane‐Bicyclobutane System. Part 14. Conversion of Cyclobutane to Bicyclobutane by Base‐Catalyzed 1,3‐Dehydrohalogenation Reaction: A Mechanistic Study.
Authors: HOZ S. , LIVNEH M.
Published: May 2016

The kinetics of the 1,3‐dehydrohalogenation of the geometrical isomers of cyclobutanes (I)/(III) to give the corresponding bicyclobutanes (II) is investigated (syn‐anti isomerizations under the reaction conditions; effects of added crown ether).
ChemInform Abstract: Optically Active Cyclopropanols from the Enzymatic Resolution of Dimethyl α‐Alkylsuccinates. Synthesis of Chiral 2‐Vinylcyclobutanones and Cyclohexenones.
Authors: SALAUEN J. + , KARKOUR B.
Published: May 2016

Ruehlmann condensation of the enantiomeric dicarboxylates (I) obtained by enzymatic resolution yields the bissiloxycyclobutenes (III).
ChemInform Abstract: Azidinium Salts. Part 23. Photolysis of Heterocyclic Azidinium Salts.
Authors: BALLI H. , HUYS‐FRANCOTTE M. , SCHMIDLIN F.
Published: May 2016

The photolysis of the title compounds (Ia), (Ib), (Ic), (VIIIa), (VIIIb) or (XVII) yields the various products shown in the scheme.
ChemInform Abstract: Photosubstitution of 1‐Methoxy‐4‐nitronaphthalene with Amine Nucleophiles: Dual Pathways.
Authors: BUNCE N. J. , CATER S. R. , SCAIANO J. C. , JOHNSTON L. J.
Published: May 2016

1‐Methoxy‐4‐nitronaphthalene (I) is irradiated in the presence of the primary alkylamines (II) to produce the 1‐methoxy‐4‐aminonaphthalenes (III) which are isolated and characterized in the form of their p‐nitrobenzamides (V).
ChemInform Abstract: Pulse Radiolytic Studies of 1‐Halo‐2‐(methylthio)ethanes (I) in Hexane and 1,2‐Dichloroethane: Formation of an Intermolecular Species (V) with a Three‐Electron Bond Between Sulfur and Iodine.
Authors: ANKLAM E. , MOHAN H. , ASMUS K.‐D.
Published: May 2016

Among the various transient radical and molecular species formed in the pulse radiolytic oxidation of (I) some of them are identified by their absorption bands such as (V) (410 nm; half‐life ca. 10 μs).
ChemInform Abstract: Generation, Thermodynamics, and Chemistry of the Diphenylcarbene Anion Radical (Ph2C·‐).
Authors: MCDONALD R. N. , GUNG W. Y.
Published: May 2016

Dissociative electron attachment with Ph2C=N2 produces Ph2C·‐.
ChemInform Abstract: ROH Molecule Assisted Elimination of F‐ from (CF3)2CH‐ and (CF3)2CD‐ in Gas‐Phase E1cb‐Type Reactions.
Authors: MCDONALD R. N. , MCGHEE W. D. , CHOWDHURY A. K.
Published: May 2016

The gas‐phase reactions of (CF3)2CH‐ and (CF3)2CD‐ with (CF3)2CH‐OH, CF3‐CH2‐OH, Me3C‐OH, MeOH, and H2O are studied.
ChemInform Abstract: Tetrabutylammonium Bifluoride: A Versatile and Efficient Fluorinating Agent.
Authors: BOSCH P. , CAMPS F. , CHAMORRO E. , GASOL V. , GUERRERO A.
Published: May 2016

The bifluoride mentioned in the title is used in the conversion of the alkyl halides, mesylates, or tosylates (I) to the corresponding fluorides (II).
ChemInform Abstract: Synthesis of α,β‐Unsaturated Sulfonates via the Wittig‐Horner Reaction.
Authors: CARRETERO J. C. , DEMILLEQUAND M. , GHOSEZ L.
Published: May 2016

In the Wittig‐Horner reaction of phosphonate reagents (V) and (VIII) (prepared from (I) or (VI)) with carbonyl compounds, the esters (VIII) display higher stereoselectivities than (V) in the reaction with aldehydes (IX) (cf.
ChemInform Abstract: Trifluoromethyl Triflate: Synthesis and Reactions.
Authors: TAYLOR S. L. , MARTIN J. C.
Published: May 2016

The title compound (III) is prepared by treatment of antimony pentafluoride (I) with excess triflic anhydride (II).
ChemInform Abstract: Reactions of the Readily Accessible Electrophile Trifluoroacetyl Triflate: A Very Reactive Agent for Trifluoroacetylations at Oxygen, Nitrogen, Carbon, or Halogen Centers.
Authors: FORBUS T. R. JUN. , TAYLOR S. L. , MARTIN J. C.
Published: May 2016

Trifluoroacetyl triflate (III), prepared by dehydration of trifluoromethanesulfonic (I) and trifluoroacetic acid (II), is employed in the trifluoroacetylation of the alcohols (IV) or the amines (XIII) in the presence of a sterically hindered pyridine base, yielding the trifluoroacetates (V) or the trifluoroacetamides (XIV).
ChemInform Abstract: Condensation of Ethyl and Methyl 4‐(Triphenylphosphoranylidene)‐3‐oxobutanoate with Enals.
Authors: MOORHOFF C. M. , SCHNEIDER D. F.
Published: May 2016

The reaction of the phosphorus ylides (I) with enals such as 3‐methylbut‐2‐enal (II) under various conditions is investigated.
ChemInform Abstract: General Ether Synthesis Under Mild Acid‐Free Conditions. Trimethylsilyl Iodide Catalyzed Reductive Coupling of Carbonyl Compounds with Trialkylsilanes to Symmetrical Ethers and Reductive Condensation with Alkoxysilanes to Unsymmetrical Ethers.
Authors: SASSAMAN M. B. , KOTIAN K. D. , PRAKASH G. K. S. , OLAH G. A.
Published: May 2016

Reductive coupling of the aldehydes or ketones (I) in the presence of trimethylsilyl triflate and triethylsilane yields the symmetrical ethers (II).
ChemInform Abstract: Synthesis of Symmetrical Bis(aryl)sulfur Diimides.
Authors: DING Y.‐X. , WEBER W. P.
Published: May 2016

The symmetrical sulfur diimides (II) are obtained by reaction of lithium (trimethylsilyl)anilides, generated from the anilines (Ia) ‐ (Ic) and butyllithium, with thionyl chloride.
ChemInform Abstract: Preparation and Reactions of Trianions from the Dimethylphenols.
Authors: BATES R. B. , SIAHAAN T. J. , SUVANNACHUT K. , VASEY S. K. , YAGER K. M.
Published: May 2016

The dimethylphenol (I) is converted to the corresponding trianions by refluxing with butyllithium and potassium tert‐butoxide.
ChemInform Abstract: A Facile Route to α‐Imino Acetals and the Corresponding Monoacetal Derivatives of α‐Diketones with Complete Regiochemical Control.
Authors: BABLER J. H. , MARCUCCILLI C. J.
Published: May 2016

The nitriles (I) are converted to the orthoesters (III) which are coupled with pyruvonitrile (IV) to give the cyano acetals (V).
ChemInform Abstract: Synthesis of Halodimethoxy‐1,2‐benzoquinones.
Authors: WRIEDE U. , FERNANDEZ M. , WEST K. F. , HARCOURT D. , MOORE H. W.
Published: May 2016

Starting with benzoquinones such as (I) or dihydroxybenzenes such as (VII), the preparation of the o‐benzoquinones mentioned in the title, e.g. (VI), (IX), or (X), is performed.
ChemInform Abstract: Preparation and Odor Evaluation of Both Enantiomers of 3,4,4aα,5,6,7,8,8aβ‐Octahydro‐5,5,8aβ‐trimethyl‐2(1H)‐naphthale# none and 1,2α,3,4,4aα,5,6,7,8,8aβ‐Decahydro‐5,5,8aβ‐trimethyl‐2.be# ta.‐naphthalenyl Acetate, Four Woody Odorants.
Authors: GAUTIER A. , VIAL C. , MOREL C. , LANDER M. , NAEF F. +
Published: May 2016

Enantioselective enzyme‐catalyzed hydrolysis of the racemate (I) yields the alcohols (II) and (III).
ChemInform Abstract: Solvent, Chelation, and Concentration Effects on the Benzannulation Reaction of Chromium Carbene Complexes and Acetylenes.
Authors: CHAN K. S. , PETERSON G. A. , BRANDVOLD T. A. , FARON K. L. , CHALLENER C. A. , HYLDAHL C. , WULFF W. D.
Published: May 2016

Reaction of the chromium carbene complexes (I) with the acetylenes (II) in THF and subsequent oxidative work‐up give the benzannulated compound (III) as the main product.
ChemInform Abstract: Intramolecular Electrophilic Additions to Olefins in Organic Syntheses. Stereoselective Synthesis of 3,4‐Substituted β‐Lactams by Bromine‐Induced Oxidative Cyclization of O‐Acyl β,γ‐Unsaturated Hydroxamic Acid Derivatives.
Authors: RAJENDRA G. , MILLER M. J.
Published: May 2016

The unsaturated acyl chlorides (I) react with hydroxylamine hydrochloride to form the hydroxamic acids (IIa) which are O‐protected, yielding the derivatives (IIb).
ChemInform Abstract: A Novel Approach to the Synthesis of (1R)‐cis‐Caronaldehyde. A Key Intermediate for Photostable Pyrethroid Insecticides.
Authors: MITRA R. B. , KULKARNI G. H. , KHANNA P. N.
Published: May 2016

Epoxidation of the enol lactone (I) yields the tricyclus (II) which undergoes acid‐induced rearrangement, forming the acetyl γ‐lactone (III).
ChemInform Abstract: Stereoselectivity of Electrophile‐Promoted Cyclizations of γ‐Hydroxyalkenes. An Investigation of Carbohydrate‐Derived and Model Substrates.
Authors: REITZ A. B. , NORTEY S. O. , MARYANOFF B. E. , LIOTTA D. , MONAHAN R. III
Published: May 2016

Ring closure of γ‐hydroxy or γ‐alkoxyalkenes such as (I) and (IV) is induced by the electrophilic reagents (II) under various conditions, yielding tetrahydrofuran derivatives such as (III) and (V).
ChemInform Abstract: Synthesis of Both Enantiomers of γ‐Substituted α,β‐Unsaturated γ‐Lactones.
Authors: BLOCH R. , GILBERT L.
Published: May 2016

The diastereomeric mixture of the lactol (II), obtained by reduction of the lactone (I), reacts with methyllithium (III) in the presence of triisopropoxytitanium chloride or in THF to form the diastereomeric diols (IVa) or (IVb).
ChemInform Abstract: A New Furan Annelation Reaction by the Palladium‐Catalyzed Reaction of 2‐Alkynyl Carbonates or 2‐(1‐Alkynyl)oxiranes with β‐Keto Esters.
Authors: MINAMI I. , YUHARA M. , WATANABE H. , TSUJI J.
Published: May 2016

Pd(0)‐catalyzed reaction of the propargyl carbonate (Ib) with the β‐dicarbonyl compounds (IIa), (IIc), or (IId) gives the 3‐acylfurans (III).
ChemInform Abstract: Synthesis of Benzofurans via Tandem Intramolecular Wittig and (3,3)Sigmatropic Reaction of Phenoxyacetylcyanomethylenetriphenylphosphoranes.
Authors: REHMAN H. , RAO J. M.
Published: May 2016

The (phenoxyacetylcyanomethylene)triphenylphosphoranes (IV), prepared as shown in the reaction scheme, are subjected to thermolysis: (IVa) yields 1‐phenoxymethyl‐2‐cyanoacetylene (Va) as the main product, together with minor amounts of the cyanobenzopyran (VI).
ChemInform Abstract: Methanesulfonanilides and the Mannich Reaction.
Authors: LIS R. , MARISCA A. J.
Published: May 2016

The anilines (I) are converted to the methanesulfonamides (III).
ChemInform Abstract: Synthetic Studies Towards Gelsemine. Part 1. The Importance of the Antiperiplanar Effect in the Highly Regioselective Reduction of Non‐Symmetrical cis‐Hexahydrophthalimides.
Authors: VIJN R. J. , HIEMSTRA H. , KOK J. J. , KNOTTER M. , SPECKAMP W. N.
Published: May 2016

The imides (II), prepared from (I) by Diels‐Alder reactions and appropriate functionalization procedures, are submitted to NaBH4 reduction (→ (VIII)) and subsequent ethanolysis (→ (IV)‐(VII)).
ChemInform Abstract: L‐(S)‐Erythrulose: The Synthesis of (R)‐1,2,4‐Butanetriol and of Some Related C4 Chirons.
Authors: VAN DER EYCKEN E. , DE WILDE H. , DEPREZ L. , VANDEWALLE M.
Published: May 2016

Starting with (S)‐erythrulose (I), the selective synthesis of various 1,2,4‐butanetriol derivatives is performed as shown in the reaction scheme.
ChemInform Abstract: Formation and Isolation of the Dithioether Dications of Cyclic Dithioethers in the Reactions of the Corresponding S‐Oxides and S‐Imine in Concentrated Sulfuric Acid.
Authors: FUJIHARA H. , KAWADA A. , FURUKAWA N.
Published: May 2016

The dithiacycloalkanes (I) are oxidized to produce the mono‐S‐oxides (II).
ChemInform Abstract: Studies on Quinones. Part 17. The Reaction of Acylbenzoquinones with Hydrazoic Acid: A Route to the Preparation of 2,1‐Benzisoxazole‐4,7‐ quinones.
Authors: CASSIS R. , FERNANDEZ M. , TAPIA R. , VALDERRAMA J. A.
Published: May 2016

The acylated p‐benzoquinones (IVa) ‐ (IVc) are converted to the azides (V) which undergo ring closure upon treatment with MnO2, forming the benzisoxazole derivatives (VI).
ChemInform Abstract: Preparation of Some Important Medicinal Compounds. Thiosemicarbazones, Thiadiazolines, 4‐Thiazolidinones, and 5‐Arylidene Derivatives as Antibacterial and Tuberculostatic Agents.
Authors: DESAI N. C. , PAREKH B. R. , THAKER K. A.
Published: May 2016

The thiosemicarbazones (I) are cyclized with K3Fe(CN)6 or mercaptoacetic acid (III), yielding the thiadiazolidines (II) or the thiazolidinones (IV).
ChemInform Abstract: New Ways of Preparing Heterocyclic Benzoquinones.
Authors: REINAUD O. , CAPDEVIELLE P. , MAUMY M.
Published: May 2016

Coupling of the dihydro‐o‐quinone derivative (I) with 1‐octen‐3‐ol (II) yields the allylic ether (III) which is thermally rearranged, forming the alkenylhydroxy‐p‐quinone (IV).
ChemInform Abstract: Regioselective Organometallic Synthesis of Pyridines, 4‐Picolines, and 3,5‐Lutidines with an Unsaturated and/or Functional Group at Position 2.
Authors: AL‐ARNAOUT A. , COURTOIS G. , MIGINIAC L.
Published: May 2016

The allylic zinc reagents (II) and the alkynyl Grignard compounds (IV) react with the N‐pyridyloxy esters (I), prepared in situ from the corresponding pyridine N‐oxide and alkyl chloroformate, under rearrangement to produce the 2‐substituted pyridines (III) or (V).
ChemInform Abstract: Intramolecular Diels‐Alder Reactions of 1,2,4‐Triazines. A General Synthesis of Furo(2,3‐b)pyridines, 2,3‐Dihydropyrano(2,3‐b)pyridines, and Pyrrolo(2,3‐b)pyridines.
Authors: TAYLOR E. C. , MACOR J. E. , PONT J. L.
Published: May 2016

The bicyclic heterocycles (IV) are synthesized from the corresponding triazines (I) as shown.
ChemInform Abstract: Intramolecular Diels‐Alder Reactions of 1,2,4‐Triazines. A Facile Synthesis of Thieno(2,3‐b)pyridines and 3,4‐Dihydro‐2H‐thiopyrano(2,3‐b)pyridines.
Authors: TAYLOR E. C. , MACOR J. E.
Published: May 2016

Several methods of preparing the thienopyridines (VIII) are described.
ChemInform Abstract: Reactions of Chiral 2‐(tert‐Butyl)‐2H,4H‐1,3‐dioxin‐4‐ones Bearing Functional Groups in the 6‐Position and Diastereoselective Catalytic Hydrogenation to cis‐2,6‐Disubstituted 1,3‐Dioxan‐4‐ones.
Authors: NODA Y. , SEEBACH D.
Published: May 2016

The dioxinone (Ia) derived from (R)‐3‐hydroxybutanoic acid is used for substitution (→ (Ib), (Ic)) and chain elongations ((Ic) → (V), (VII)).
ChemInform Abstract: Heterodienophilic Intramolecular Diels‐Alder Reactions of 1,2,4‐Triazines. Synthesis of Novel Polycyclic Condensed Pyrazines and Lumazines.
Authors: TAYLOR E. C. , PONT J. L. , WARNER J. C.
Published: May 2016

The title compounds (III) and (VI) can be prepared as shown.
ChemInform Abstract: The Naphth(1,2‐d)isoxazolium Cation Reactions with Nucleophilic Species.
Authors: RAHMAN S. A. , KABLI R. A. , EL‐TAHIR A. B.
Published: May 2016

The isoxazolium salt (I) is cleaved with sodium sulfide, sodium methoxide (III), or the carboxylic acids (V) to produce the derivatives (II), (IV), and (VI) of 2‐hydroxynaphthalene‐1‐carboxylic acid.
ChemInform Abstract: Double Diastereoselection Operative During π‐Facially Selective Addition of Chiral 1‐Cyclopentadienyllithium Reagents to (7R*)‐7‐Methyl‐7‐ vinylbicyclo(3.2.0)hept‐2‐en‐6‐one.
Authors: PAQUETTE L. A. , LEARN K. S. , ROMINE J. L.
Published: May 2016

The chiral bicycloheptenone (I) mentioned in the title is coupled with the cyclopentenyllithium compounds (II) or (V) to produce mixtures of the two diastereomers (III) and (IV) or (VI) and (VII) which are separated by chromatographic methods.
ChemInform Abstract: New Macrocyclic Ligands. Synthesis of an Extensive Series of Potentially Pentadentate Ligands Containing Mixed Nitrogen, Oxygen and/or Sulfur Heteroatoms. The X‐Ray Structure of an O2N2S Derivative.
Authors: BALDWIN D. , DUCKWORTH P. A. , ERICKSON G. R. , LINDOY L. F. , MCPARTLIN M. , MOCKLER G. M. , MOODY W. E. , TASKER P. A.
Published: May 2016

Condensation of the dialdehydes (I) with the diamines (II) yields the title compounds (III).
ChemInform Abstract: Metalation Reactions of 1‐Silacyclo‐3‐pentenes.
Authors: HORVATH R. F. , CHAN T. H.
Published: May 2016

Treatment of the silacyclopentenes (I) with tert‐butyllithium and subsequent quenching with electrophiles such as MeI (II) give a mixture of the 2‐ or the 4‐substituted isomers such as (III) and (IV).
ChemInform Abstract: 1,4‐Dihydroxyoctaphenyltetrasilane, a Stable Polysilane‐α,ω‐diol.
Authors: PARKANYI L. , STUEGER H. + , HENGGE E.
Published: May 2016

The hydrolysis of the dichlorotetrasilane (I) is investigated under various conditions.
ChemInform Abstract: 1,2‐λ3 Azaphosphinine by Flash Vacuum Thermolysis.
Authors: BOURDIEU C. , FOUCAUD A.
Published: May 2016

Flash vacuum thermolysis of the 1‐tert‐octyl‐2‐phenyl‐1,2‐dihydroazaphosphinine (I) at 600°C gives the azaphosphinine (II) which reacts with water to form the oxide (III).
ChemInform Abstract: The Photochemistry of Pentamethylcyclopentadienyl‐Substituted Diphosphenes and Phosphaarsenes.
Authors: JUTZI P. , MEYER U.
Published: May 2016

Photolysis of the diphosphene (I) produces the cyclotetraphosphane (II) which is rearranged by further irradiation to give the bridged derivative (III) and phosphorus (IV).
ChemInform Abstract: Reactions of Cycloalkeno‐1,2,3‐selenadiazole with Nucleophiles.
Authors: ANDO W. , KUMAMOTO Y. , ISHIZUKA H. , TOKITOH N.
Published: May 2016

The furanoselenadiazole (I) reacts with various nucleophiles to form the furanyl selenides (III) as a result of cleavage.
ChemInform Abstract: Evidence for the Formation of Diethylsilaneselone: A Reactive Intermediate with a Silicon‐Selenium Double Bond.
Authors: THOMPSON D. P. , BOUDJOUK P.
Published: May 2016

Diethyldichlorosilane (I) and sodium selenide (II) are cyclized to yield the Si‐Se heterocycles (III) and (IV).
ChemInform Abstract: Complexes of (Arylimido)vanadium(V). Synthetic, Structural, Spectroscopic, and Theoretical Studies of V(Ntol)Cl3 and Derivatives.
Authors: DEVORE D. D. , LICHTENHAN J. D. , TAKUSAGAWA F. , MAATTA E. A.
Published: May 2016

From the title complexes (III) prepared as shown, the p‐tolylimido complex (IIIa) displays an extensive derivative chemistry.
ChemInform Abstract: Synthesis and Characterization of Di‐μ‐oxobis(oxo(thiosemicarbazido)molybdenum(V)).
Authors: VASANTHI S. , NAGARAJA K. S. , UDUPA M. R.
Published: May 2016

MoO3 dissolved in HCl and DMF reacts with thiosemicarbazide to yield the title complex.
ChemInform Abstract: Molybdenum Hexadimethylamide.
Authors: CHISHOLM M. H. , HAMMOND C. E. , HUFFMAN J. C.
Published: May 2016

Molybdenum tetradimethylamide (I) reacts with molecular oxygen in hydrocarbon solutions to give the title compound (II).
ChemInform Abstract: The Chemistry of Uranium. Part 36. Synthesis and Characterization of Some Novel Triphenylarsine Oxide Complexes of UI4.
Authors: DU PREEZ J. G. H. , ZEELIE B.
Published: May 2016

The reaction between UI4 and O=AsPPh3 is studied in non‐aqueous solution.
ChemInform Abstract: Synthesis and X‐Ray Structure of a Dimeric Rhenium(V) Compound: Re2O3Cl4(3,5‐Me2pzH)4·Me2CO (pzH: Pyrazole).
Authors: BACKES‐DAHMANN G. , ENEMARK J. H.
Published: May 2016

Ammonium perrhenate (I) reacts in ethanolic HCl with a 5‐fold excess of the salt (II) to yield the dimeric μ‐oxo‐bridged title compound (III), in which the tridentate ligand of (II) is cleaved to give pyrazole ligands.
ChemInform Abstract: New Route to Bimetallic Imidazolate‐Bridged Complexes. Part 2. NMR Study of Dinickel Complexes. Importance of the Non‐Bonded Interactions.
Authors: COSTES J.‐P. , COMMENGES G. , LAURENT J.‐P.
Published: May 2016

7‐Amino‐4‐methyl‐5‐aza‐3‐hepten‐2‐one reacts in NaOH/MeOH with Ni(ClO4)2·6 H2O and the corresponding imidazoles to yield the mononuclear complexes (I).
ChemInform Abstract: Outer‐Sphere Dithionite Reductions of Metal Complexes.
Authors: BALAHURA R. J. , JOHNSON M. D.
Published: May 2016

The kinetics of the reduction of a large variety of different Co(III), Fe(III), and Ru(III) complexes such as (I)‐(IV) by dithionite are investigated.
ChemInform Abstract: Formation, Structure, and Reactivity of Palladium Superoxo Complexes.
Authors: TALSI E. P. , BABENKO V. P. , SHUBIN A. A. , CHINAKOV V. D. , NEKIPELOV V. M. , ZAMARAEV K. I.
Published: May 2016

Formation of two types, type I and type II of Pd superoxo complexes in the reactions of Pd(II) acetate, propionate, trifluoroacetate, and bis(acetylacetonate) and of Pd(PPh3)4 with H2O2 or KO2 in various solvents are detected by EPR.
ChemInform Abstract: Stoichiometric and Catalytic Hydroxy‐Palladation of Conjugated Dienes.
Authors: NYSTROEM J.‐E. + , SOEDERBERG B. + , AKERMARK B. , BAECKVALL J. E. +
Published: May 2016

Reaction of the butadienes (I) and (III) under acetoxy chlorination conditions in the presence of catalytic amounts of PdCl2 generated in situ produces either the chloro alcohols (II) or the acetoxy derivatives (IV) and (V) via hydrolysis of the intermediate chloro alcohols.
ChemInform Abstract: Triphenylphosphine Reduction of Dioxoosmium(VI) Porphyrins. Crystal Structures of Bis(triphenylphosphine oxide)(octaethylporphinato)osmium(II) and Bis(triphenylphosphine)(meso‐tetraphenylporphinato)osmium(II).
Authors: CHE C.‐M. , LAI T.‐F. , CHUNG W.‐C. , SCHAEFER W. P. , GRAY H. B.
Published: May 2016

The formation of (III) in the PPh3 reduction of (I) suggests that the reaction involves two sequential oxo‐transfer steps with an Os(IV)=O intermediate.
ChemInform Abstract: Cation‐ or Solvent‐Induced Supermolecular Phthalocyanine Formation: Crown Ether Substituted Phthalocyanines.
Authors: KOBAYASHI N. , LEVER A. B. P.
Published: May 2016

The phthalocyanines (I) with four 15‐crown‐5 ether voids at the 3,4‐positions are synthesized and characterized by UV/VIS, NMR and ESR.
ChemInform Abstract: Rose Pigments. Part 6. 10′‐Apolycopen‐10′‐ol and 10′‐Apolycopen‐10′‐oic Acid from the Petals of the Rose Hybrid ′Marechal Niel′.
Authors: MAERKI‐FISCHER E. + , UEBELHART P. , EUGSTER C. H.
Published: May 2016

The alcohol (Ia) and the acid (Ib) are isolated from the title species and their structures are confirmed by independent syntheses.
ChemInform Abstract: Phenylacetylglycyl‐L‐lysine and Its Derivatives, New Peptide Sweeteners.
Authors: KONDO M. , OKAI H. , NOSHO Y. , OHFUJI T.
Published: May 2016

The title compound has a sweet taste which is 50 times stronger than that of sucrose.
ChemInform Abstract: Amino Acid Derivatives that Stabilize Secondary Structures of Polypeptides. Part 3. β‐Enaminonitriles as Analogs of Secondary Amides. The Mcc Group. 1‐Acylamino‐2‐aminoalkyl‐3‐cyano‐2‐cyclopentenes as Amino Acid Analogs.
Authors: KEMP D. S. , CARTER J. S.
Published: May 2016

Cyclization of the ω‐cyano‐α‐aminocarboxylate (I) yields the aminocyanocyclopentanone (II) which is coupled with amino acid esters (III), forming rigid enamines (IV).
ChemInform Abstract: Amino Acid Derivatives that Stabilize Secondary Structures of Polypeptides. Part 4. Practical Synthesis of 4‐Alkylamino‐3‐cyano‐6‐azabicyclo(3.2.1)oct‐3‐enes (Ben Derivatives) as γ‐Turn Templates.
Authors: KEMP D. S. , CARTER J. S.
Published: May 2016

The isomeric bicyclic α‐cyano ketones (IV) are prepared from the chiral pyrrolidine (I) via the monocyclic nitrile (III).
ChemInform Abstract: Synthesis of (.+‐.)‐trans‐2,5‐Dialkylpyrrolidines from the Lukes‐Sorm Dilactam: Efficient Preparation of (.+‐.)‐trans‐2‐Butyl‐5‐heptylpyrrolidine and Analogs Present in Ant Venoms.
Authors: GESSNER W. , TAKAHASHI K. , BROSSI A. , KOWALSKI M. , KALINER M. A.
Published: May 2016

Starting from the Lukes‐Sorm dilactam (I) the preparation of (±)‐trans‐2‐butyl‐5‐heptylpyrrolidine (VIa) is accomplished in seven steps and in an overall yield of 6%.
ChemInform Abstract: Acyclic Nucleotide Analogues. Part 1. Synthesis of Isomeric and Enantiomeric O‐Phosphonylmethyl Derivatives of 9‐(2,3‐Dihydroxypropyl)adenine.
Authors: HOLY A. , ROSENBERG I.
Published: May 2016

The title compounds (Ia) and (Ib) are synthesized in their racemic and enantiomeric forms as exemplified in the scheme: reaction a) of the derivative (IIb) obtained from the diol (IIa) with the compound (IV) or b) of (IIa) with the compound (VI) affords, after work‐up, separable mixtures of the diols (±)‐(Va) and (±)‐(Vb).
ChemInform Abstract: Convenient Synthesis of 2‐Halo‐2′‐deoxyadenosines.
Authors: WRIGHT G. E. , HILDEBRAND C. , FREESE S. , DUDYCZ L. W. , KAZIMIERCZUK Z.
Published: May 2016

The dibromopurine (I) is coupled with the furanose (II), yielding the nucleoside (III) which is deprotected and aminated on treatment with ammonia to produce the bromodeoxyadenosine (IV).
ChemInform Abstract: Synthetic Confirmation of the Structure of the Lichen Benzyl Esters Alectorialic and Barbatolic Acids.
Authors: ELIX J. A. , JAYANTHI V. K.
Published: May 2016

Methyl barbatolate (XIIa), methyl alectorialate (XIIc) and the derivatives (XIIb)‐(XIId) are prepared by similar routes and compared with naturally derived material.
ChemInform Abstract: Position 5 at the Oxotremorine Skeleton as the Steering Position for Activity at the Muscarinic Receptors.
Authors: AMSTUTZ R. , CLOSSE A. , GMELIN G.
Published: May 2016

Substitution of the CH2 group at position 5 of oxotremorine (Ig) by electronegative atoms like O‐ or N‐atom (→ (Ia), (Id)), or by sterically bulkier groups like methyl‐ (→ (Ic)), formyl‐ (→ (Ie)), or acetyl‐ (→ (If)) imino drastically changes the pharmacological profile of oxotremorine, as is explained in detail.
ChemInform Abstract: Mechanism of Retinal Schiff Base Formation and Hydrolysis in Relation to Visual Pigment Photolysis and Regeneration: Resonance Raman Spectroscopy of a Tetrahedral Carbinolamine Intermediate and Oxygen‐18 Labeling of Retinal at the Metarhodopsin Stage in Photoreceptor Membranes.
Authors: COOPER A. , DIXON S. F. , NUTLEY M. A. , ROBB J. L.
Published: May 2016

The mechanism of formation and hydrolysis of N‐retinylidene‐n‐butylamine, as a model of the rhodopsin chromophore, is investigated by a study of the kinetic and equilibrium properties in aqueous anionic, cationic, and neutral detergent micelle systems.
ChemInform Abstract: Enantioselective Hydrolysis of 2‐(Chlorophenoxy)propionic Esters by Esterases.
Authors: DERNONCOUR R. , AZERAD R.
Published: May 2016

Selective hydrolysis of the racemic 2‐phenoxypropionates (I) is performed using various esterases.
ChemInform Abstract: Refinement and New Analysis of the Structure of W18O49.
Authors: LAMIRE M. , LABBE PH. , GOREAUD M. , RAVEAU B.
Published: May 2016

The structure of the title compound (space group P2/m) is refined by XRD using an untwinned crystal.
ChemInform Abstract: 81Br NQR and 119Sn Moessbauer Spectra for SnBr‐ 3 Anions
Authors: YAMADA K. , HAYASHI T. , UMEHARA T. , OKUDA T. , ICHIBA S.
Published: May 2016

are compared for the compounds ASnBr3 (A: Me2NH2, Me3NH) and ASnBr3·H2O (A: K, NH4).
ChemInform Abstract: Phase Relations, Thermochemistry and Superconductivity in the Zr‐Rh System.
Authors: JORDA J. L. , GRAF T. , SCHELLENBERG L. , MULLER J. , CENZUAL K. , GACHON J. C. , HERTZ J.
Published: May 2016

On the basis of this extensive reinvestigation, an accurate equilibrium phase diagram of the entire Zr‐Rh system is presented.
ChemInform Abstract: Differential Thermoanalytic Investigations in the Ternary System Lithium‐Copper‐Germanium.
Authors: HELLENBRANDT M. , SCHUSTER H.‐U.
Published: May 2016

The Li‐(Cu:Ge = 1:1) section of the ternary title system is characterized by two peritectic and one eutectic reactions.
ChemInform Abstract: Chronoamperometric Study of Titanium in Molten NaCl + KCl + K2TiF6.
Authors: SEQUEIRA C. A. C.
Published: May 2016

The results of chronopotentiometric measurements over a Ti(IV) concentration range of 0.01‐0.5 M at 800 °C show that Ti(IV) is reduced in two consecutive diffusion‐controlled steps.
ChemInform Abstract: UV Photolysis in a Laser Vaporization Cluster Source: Synthesis of Novel Mixed‐Metal Clusters.
Authors: LAIHING K. , CHENG P. Y. , DUNCAN M. A.
Published: May 2016

A new variation of the laser vaporization/pulsed nozzle metal cluster source is described involving UV laser photolysis of a gas phase metal‐containing complex with the same laser used for solid metal vaporization.
ChemInform Abstract: Formation of the (7‐SeB10H11)‐ Anion from 1‐SeB11H11 and the Structure of the Anion Studied by 11B COSY NMR and X‐Ray Crystallography.
Authors: REED D. , FERGUSON G. , RUHL B. L. , DHUBHGHAILL O. N. , SPALDING T. R.
Published: May 2016

The title ion has been prepared by nucleophilic degradation of 1‐SeB11H11 (I) using NaOEt in refluxing EtOH solution followed by precipitation of the anion with aqueous (Et4N)I solution.
ChemInform Abstract: NaTi5NbO13, an A2Ti6O13‐Type Phase Deficient in Alkali Metal Cations, Synthesized Under Mild Conditions.
Authors: GRANDIN A. , BOREL M. M. , RAVEAU B.
Published: May 2016

Thermolysis of H2NaTi5NbO14·3 H2O (prepared by cation exchange) at 300 °C yields the title compound.
ChemInform Abstract: Low Temperature Synthesis of Dispersed Fine Particle of Cobalt Aluminate. A New Application of Zeolite.
Authors: OHGUSHI T. , UMENO S.
Published: May 2016

Fine particles of CoAl2O4 with the spinel structure have been synthesized at 400 °C using Na‐A zeolite as precursor material (ion exchange by 1. CaCl2, 2. CoCl2; heating at 400 °C, 6 h, 10‐5 Pa).
ChemInform Abstract: Azido Complexes of Manganese(II) and Cobalt(II). Crystal Structures of (PPh4)2(Mn(N3)4) and (PPh4)2(Co(N3)3Cl).
Authors: STEINER K. , WILLING W. , MUELLER U. + , DEHNICKE K.
Published: May 2016

The nonexplosive title compounds, prepared according to the scheme, both crystallize in the monoclinic system (C2/c, Z=4), but are not isotypic.
ChemInform Abstract: New Cobalt(III) Oxides: A0.50La1.50Mg0.50Co0.50O4 (A: Ca, Sr, Ba). Analysis and Discussion of the Low‐Spin → High Spin Transition.
Authors: DEMAZEAU G. , POUCHARD M. , ZHU L.‐M. , HAGENMULLER P.
Published: May 2016

In order to study the electronic configuration changes arising from substitution of weak Li‐O bonds by the stronger Mg‐O bonds in the perovskite‐type planes of the K2NiF4 structure, the novel title oxides are prepared in four successive steps: 1. calcination of a stoichiometric mixture of the corresponding nitrates; 2. annealing at 950 °C in an oxygen stream (4 d); 3. 750 °C, 1.5 kbar O2 pressure, 48 h; 4. 800 °C, 1.5 kbar O2, 6 h. A second order spin‐transition is detected with increasing temp. by magnetic measurements and XRD.
ChemInform Abstract: Geometry and Conformation of the α‐Aminoisobutyric Acid Residue in Simple Derivatives and Dipeptides. Four New X‐Ray Structural Analyses and a Statistical Analysis from Known Crystal Data.
Authors: VALLE G. , CRISMA M. , FORMAGGIO F. , TONIOLO C. , JUNG G.
Published: May 2016

X‐ray analysis of the compounds (I) (space groups P1 and P212121 with Z=4 and Z=8, resp.) and (II) (space groups P1 and P21 both with Z=4) shows that the title residue is folded in the case of (Ia) and (II), with the sets of Φ,Ψ torsion angles falling in the region of the conformational energy map where both α‐ and 310‐helices are found.
ChemInform Abstract: The Different Nonmolecular Polyadamantanoid Crystal Structures of Cd(SPh)2 and Cd(SC6H4Me‐4)2. Analogies with Microporous Aluminosilicate Frameworks.
Authors: DANCE I. G. , GARBUTT R. G. , CRAIG D. C. , SCUDDER M. L.
Published: May 2016

Cd(S‐Ph)2 crystallizes in the space group P212121 with Z=16.
ChemInform Abstract: Reaction of the Complex of Sulfuric Anhydride and Dimethyl Sulfide with Alkenes and Alkynes.
Authors: SHASTIN A. V. , POPKOVA T. V. , BALENKOVA E. S. , BEL'SKII V. K. , LAZHKO E. I.
Published: May 2016

Title reactions between the alkenes (I) or the alkynes (IV) and the complex (II) proceed regio‐ and stereospecifically to yield the sulfobetaines (III) or the E‐configurated sulfobetaines (V).
ChemInform Abstract: Highly Chemoselective Addition of (o‐Nitrobenzyl)silanes to Nonenolizable Aldehydes.
Authors: BARTOLI G. , BOSCO M. , CARETTI D. , DALPOZZO R. , TODESCO P. E.
Published: May 2016

The o‐(silylmethyl)nitroarenes (I) are coupled with the aldehydes (II) in the presence of tetrabutylammonium fluoride, yielding the o‐(2‐hydroxyalkyl)nitroarenes (III), together with mere traces of the desilylated compounds (IV).
ChemInform Abstract: A Mild and Efficient Preparation of cis‐1,2‐Diols from 1,2,4‐Trioxanes.
Authors: JEFFORD C. W. , ROSSIER J.‐C. , BOUKOUVALAS J.
Published: May 2016

Treatment of the 1,2,4‐trioxanes (Ia) and (III) with benzylamine results in the formation of the cis‐1,2‐diols (II) and (IV).
ChemInform Abstract: On Baldwin′s Kinetic Barrier Against 5‐(Enol‐endo)‐exo‐trigonal Closures: A Comparison of Ionic and Analogous Radical Reactions, and a New Synthesis of Cyclopentanones.
Authors: CLIVE D. L. J. , CHESHIRE D. R.
Published: May 2016

The cycloalkenols (I) are transformed into the methyl ketones (II) which react with benzeneselenenyl chloride (III) to give the α‐benzeneselenenyl ketones (IV).
ChemInform Abstract: UV‐Laser Photochemistry of the Azoalkane 1‐Phenyl‐2,3‐diazabicyclo(2.2.2)oct‐2‐ene: Detection and Lifetime Determination of the Triplet Diradical 1‐Phenyl‐1,4‐cyclohexadiyl by Time‐Resolved UV Spectroscopy (Flash Photolysis) and by Trapping with Molecular Oxygen.
Authors: ADAM W. , GRABOWSKI S. , WILSON R. M. , HANNEMANN K. , WIRZ J.
Published: May 2016

Direct laser photolysis of azoalkane (I) at 364 nm gives the diene (III), presumably via the singlet diradical S‐(II).
ChemInform Abstract: Fluoroalkenylation of 1H‐Tetrafluoroethanesulfonyl Fluoride.
Authors: BENDA A. F. , SIZOV A. YU. , ERMOLOV A. F. , ELEEV A. F. , SOKOL'SKII G. A.
Published: May 2016

The title compound (I) is a highly active carbon acid.
ChemInform Abstract: Horner‐Emmons Olefination of 4‐Hydroxy‐2‐oxoalkylphosphonates and Related Compounds: Applications to the Syntheses of (.+‐.)‐Gingerol, (.+‐.)‐Yashabushiketol, and (.+‐.)‐Dihydroyashabushiketol.
Authors: TSUGE O. , KANEMASA S. , NAKAGAWA N. , SUGA H.
Published: May 2016

The isoxazolines (I) are transformed to the phosphonates (II) according to a known procedure.
ChemInform Abstract: Stereoselective Formation of Conjugated Enynes via Coupling of Alkynyliodonium Tosylates and Vinylcopper Reagents.
Authors: STANG P. J. , KITAMURA T.
Published: May 2016

The alkenylcopper reagents (III) generated regio‐ and stereoselectively from (I) and (II) react with the alkynyliodonium tosylates (IV) to give the enynes (V) with stereoselectivities of > 98%.
ChemInform Abstract: Fluoroamino Acids. Part 3. α‐Trifluoromethylamino Acids.
Authors: SOLOSHONOK V. A. , GERUS I. I. , YAGUPOL'SKII YU. L. , KUKHAR' V. P.
Published: May 2016

A convenient method for the preparation of the title compounds (V) and (VII) is reported.
ChemInform Abstract: A Convenient Preparation of 1,2‐Diacylglycerols. o‐Iodobenzoyl as a Protecting Group.
Authors: MOSS R. A. , SCRIMIN P. , BHATTACHARYA S. , CHATTERJEE S.
Published: May 2016

The diprotected glycerol (I) is converted to the o‐iodobenzoate (III).
ChemInform Abstract: Menthyl 2‐Bromocrotonate and Menthyl 4‐Bromocrotonate: Reagents for Chiral Vinylogous Darzen and Reformatsky Reactions.
Authors: HUDLICKY T. , RADESCA L. , RIGBY H. L.
Published: May 2016

Crotyl chloride (I) reacts with either optical isomer of menthol (II) to give the corresponding optically active esters (III) which are brominated and dehydrobrominated, yielding the chiral 4‐bromocrotonate (V).
ChemInform Abstract: Synthesis of 1‐(1‐Arylalkyl)adamantanes.
Authors: KOVALEV V. V. , FEDOROVA O. A. , SHOKOVA E. A.
Published: May 2016

The reaction between the secondary adamantyl alcohols (I) and the aromatic compounds (II) in TFA affords the hitherto unknown title compounds (III) in low to fair yields.
ChemInform Abstract: A Facile Synthesis of 6‐Bicyclo(3.2.1)octanones.
Authors: CAGNOLI N. , CECCHERELLI P. , CURINI M. , MARCOTULLIO M. C. , WENKERT E.
Published: May 2016

The cyclohexanone‐3‐carbonitrile (I) is subjected to Wittig olefination with the phosphonium bromides (II).
ChemInform Abstract: Intensification of Cross‐Cannizzaro Reaction in Two‐Phase System: m‐Phenoxybenzaldehyde and m‐Bromobenzaldehyde with Formaldehyde.
Authors: SANE P. V. , SHARMA M. M.
Published: May 2016

The two‐phase cross‐Cannizzaro reaction of the benzaldehydes (I) with formaldehyde (II), yielding the benzylic alcohols (III), together with formic acid (IV), is investigated in detail.
ChemInform Abstract: Alkylidenation of Ester Carbonyl Groups by Means of a Reagent Derived from RCHBr2, Zn, TiCl4, and TMEDA. Stereoselective Preparation of Z‐Alkenyl Ethers.
Authors: OKAZOE T. , TAKAI K. , OSHIMA K. , UTIMOTO K.
Published: May 2016

The esters (I) reacts with the 1,1‐dibromoalkanes (II) in the presence of zinc‐dust and titanium tetrachloride, yielding the 1‐alkenyl ethers (III) with predominance of the Z‐isomers.
ChemInform Abstract: Regioselective 4‐Demethoxylation of 1‐n‐Alkyl‐3,4,5‐trimethoxybenzenes: A Key Step in the Synthesis of Olivetol and Its Homologues.
Authors: AZZENA U. , DENURRA T. , MELLONI G. , RASSU G.
Published: May 2016

Treatment of the trimethoxybenzenes (Ia) ‐ (Ic) with potassium results in selective removal of one methoxy group to produce the dimethoxybenzenes (II).
ChemInform Abstract: Michael Addition of N‐(2‐Methylcycloalkylidene)‐tert‐butylamine to Methyl Propiolate.
Authors: ITO K. , SHIGEMORI N. , MIYAJIMA S.
Published: May 2016

The Schiff bases (I) are coupled with methyl propiolate (II) to form the corresponding Michael adducts (III) and (IV).
ChemInform Abstract: Palladium‐Catalyzed Allylation of α‐Isocyanocarboxylates.
Authors: ITO Y. , SAWAMURA M. , MATSUOKA M. , MATSUMOTO Y. , HAYASHI T.
Published: May 2016

The vinylic acetates (II) are coupled with the α‐isocyano ester (I) in the presence of Pd catalyst to give the substituted isonitriles (III) and (IV).
ChemInform Abstract: 1‐Methoxy‐1‐(phenylthio)cyclopropanes from Olefins via the Pummerer Rearrangement.
Authors: BHUPATHY M. , COHEN T.
Published: May 2016

The cycloalkenes (I) react with phenylthiocarbene to give the phenylthiocyclopropanes (IIIb) ‐ (IIId).
ChemInform Abstract: Derivatives of Chlorosulfonylisocyanates. Synthesis, Structure and Biological Activity of 2‐Haloethoxycarbonylsulfamides.
Authors: AGOH B. , DEWYNTER G. , MONTERO J.‐L. , LEYDET A. , IMBACH J.‐L.
Published: May 2016

The title sulfamides, e.g. (IV), are prepared in a two‐step reaction and their structure is confirmed by spectroscopic data.
ChemInform Abstract: 1,1‐Dihaloalkylcarbodiimides. Part 2. Reactions of N‐Perchloroethyl‐N′‐alkyl(aryl)carbodiimides and Their Isomeric Diazadienes with Nucleophilic Reagents.
Authors: GORBATENKO V. I. , MATVEEV YU. I. , SAMARAI L. I.
Published: May 2016

Depending on the size of the substituents R1 or R2, respectively, the carbodiimides (I) may exist in equilibrium with the isomeric chlorodiazadienes (II).
ChemInform Abstract: Novel Coupling of Dithioacetals with Grignard Reagents.
Authors: NI Z.‐J. , LUH T.‐Y.
Published: May 2016

The dithioacetals (II), (IV), and (VIII) are coupled with the Grignard reagents (I) in the presence of Ni catalyst to give the (cyclo)alkenes (III), (V), (VI), (IX), and (XII).
ChemInform Abstract: Diastereoselective Spiroanellation.
Authors: CANONNE P. , BOULANGER R. , BERNATCHEZ M.
Published: May 2016

1,4‐Di(bromomagnesio)pentane (II) reacts with some lactones or cyclic anhydrides such as (I), (IV), or (VI) to give mixtures of stereoisomeric alcohols such as (III), (V), or (VII).
ChemInform Abstract: Utilization of Sulfide, Sulfoxide, and Sulfone Groups as Regiochemical Control Elements in the Diels‐Alder Reaction of Naphthoquinones.
Authors: IWAO M. , KURAISHI T.
Published: May 2016

The Diels‐Alder reaction of the sulfones (I), which are unsym. substituted by methoxyl groups on the benzenoid ring, with the vinylketene acetals (II) or (V) proceeds regioselectively to give the anthraquinones (III), including the natural products pachybasin (IIIa) and phomarin 6‐methyl ether (IIIb) or the deoxyanthracyclinones (VI) together with minor amounts of the alkyl derivatives (IV) or (VII).
ChemInform Abstract: Regio‐ and Stereoselectivity in the Epoxidation of Ethylidenenorbornene.
Authors: KAS'YAN L. I. , GALAFEEVA M. F. , KOVALENKO V. V. , DRYUK V. G.
Published: May 2016

Epoxidation of an E/Z‐mixture of ethylidenenorbornene (I) with monoperphthalic acid yields a mixture of the monoepoxides (II) and (III) and the acetyl derivative (IV).
ChemInform Abstract: Synthesis of 3‐(5‐Substituted‐2‐furylmethylene)‐pentane‐2,4‐diones.
Authors: MARCHALIN S. , ILAVSKY D. , KOVAC J.
Published: May 2016

The reaction of the aldehydes (Ia)‐(Ic) with the dione (II) in the presence of catalytic amounts of CuCl2 affords the desired title compounds (IIIa)‐(IIIc).
ChemInform Abstract: Cyclodehydration of 1,2‐Diaryl‐2‐aryloxyethanones to 2,3‐Diarylbenzofurans. Influence of the Substitution on Two Competing Reaction Pathways.
Authors: MONTFORT B. , LAUDE B. , VEBREL J. , CERUTTI E.
Published: May 2016

The title reaction of the ketones (I) yields the benzofurans (II) via intermediate formation of an α‐acylcarbenium ion.
ChemInform Abstract: Syntheses of (2‐Nitrovinyl)amino Sugars and 2‐ and 3‐(Alditol‐1‐yl)‐4‐ nitropyrroles.
Authors: GOMEZ‐SANCHEZ A. , HIDALGO F.‐J. , CHIARA J.‐L.
Published: May 2016

Reaction of 2‐amino‐2‐deoxy‐D‐glucose (I) with the nitrovinyl ether (II) produces a E/Z‐mixture of the nitrovinylamines (IIIa).
ChemInform Abstract: Chemistry of 1,1,2,2‐Tetracyanoethane. Part 7. Synthesis and Addition Reactions of Nucleophilic Agents to One of the Cyano Groups of 3‐(N′,N′‐Dimethyl‐N‐acetylhydrazino)‐5‐methyl‐1,1,2,2‐tetrahydrocyanocyclopentane.
Authors: ZOLOTOI A. B. , D'YACHENKO O. A. , KONOVALIKHIN S. V. , ATOVMYAN L. O. , NASAKIN O. E. , LUKIN P. M. , ZIL'BERG S. P. , LYSHCHIKOV A. N. , SKVORTSOVA M. YU. , BULAI A. KH.
Published: May 2016

Starting with the tetracyanoethane (I) and the crotonaldehyde hydrazone (II), the title compound (V) is synthesized as shown in the reaction scheme.
ChemInform Abstract: Synthesis of Unsymmetrically Substituted Tetrathiafulvalenes by the “Ylide Route”. Investigations of Selectivity.
Authors: FABRE J. M. , GIRAL L. , GOUASMIA A. , CRISTAU H. J. , RIBEILL Y.
Published: May 2016

Treatment of the hexafluorophosphates (I) with PPh3 (II) yields the phosphonium salts (III).
ChemInform Abstract: Synthesis of Bicyclo(3.2.1)octanes by a Tandem Diels‐Alder Carbocation Cyclization Strategy.
Authors: RIGBY J. H. , KOTNIS A. S.
Published: May 2016

The acyl(siloxy)cyclohexenes (III) are prepared by Diels‐Alder reaction of the α,β‐unsaturated carbonyl compounds (I) with the siloxybutadiene (II).
ChemInform Abstract: Preparation of Fluoroazlactones by the Wittig Reaction.
Authors: SOLOSHONOK V. A. , BROVARETS V. S. , YAGUPOL'SKII YU. L.
Published: May 2016

A novel method for the preparation of the title compounds (III) is reported.
ChemInform Abstract: Synthesis of Naphthoxazole Derivatives by the Application of the Vilsmeier‐Haack Reaction. Part 2. 2‐Hetarylnaphth(1,2‐d)oxazole Derivatives.
Authors: SESHADRI S. , JAYANT M. R. , KRISHNAN R. , SHEKAR P. C.
Published: May 2016

The α‐acetamido‐β‐naphthols (I) are converted to the oxazolylmalondialdehydes (III) by Vilsmeier‐Haack reaction.
ChemInform Abstract: Palladium(0)‐Catalyzed Cyclization of 2‐Butenylene Dicarbamates Forming 4‐Vinyl‐2‐oxazolidones.
Authors: HAYASHI T. , YAMAMOTO A. , ITO Y.
Published: May 2016

The 2‐butenylidene dicarbamates (I), prepared from but‐2‐en‐1,4‐diol and the corresponding isocyanates, are cyclized in the presence of Pd catalyst to form the 4‐vinyloxazolidones (II).
ChemInform Abstract: 3,5‐Dimethyl‐4‐isothiazolylmagnesium Iodide and Its Reactions with Some Electrophilic Reagents.
Authors: ALBEROLA A. , ALONSO F. , CUADRADO P. , SANUDO M. C.
Published: May 2016

The reactive intermediate (Ic) mentioned in the title is prepared from 3,5‐dimethylisothiazole (Ia) by iodination and subsequent treatment with ethylmagnesium iodide.
ChemInform Abstract: v‐Triazolines. Part 28. Reactions of 1‐Aryl‐4,5‐dihydro‐4‐methylene‐5‐morpholino‐v‐triazoles with 2,4‐Diaryl‐5(4H)‐oxazolones.
Authors: ALMIRANTE N. , ARLANDINI E. , ERBA E. , POCAR D. , TRIMARCO P.
Published: May 2016

Reaction between the oxazolones (I) and the dihydrotriazoles (II) leads to the products (III)‐(VI).
ChemInform Abstract: The Synthesis of 1,2,4‐Oxadiazoles Under High Pressure.
Authors: YASUMOTO M. , YANAGIYA K. , SHIBUYA I. , GOTO M.
Published: May 2016

The oxadiazoles (III) and (V) or (VI) are obtained by cyclocondensation of the amidoximes (I) with the nitriles (II) or the cyanamides (IV) at elevated pressure.
ChemInform Abstract: Preparation and Antimicrobial Activity of 4‐Aryl‐3‐(phenazon‐4′‐yl)sydnonimine Hydrochloride.
Authors: KAMDAR G. C. , PAREKH H. , PARIKH A. R.
Published: May 2016

Aminophenazone (I) is coupled with the α‐cyanohydrins (II), derived from aldehydes, to give the phenazones (III) which are treated with nitrous acid and gaseous HCl, forming the sydnonimines (IV).
ChemInform Abstract: Formamidines ‐ Derivatives of Benzo‐2,1,3‐thia(selena)diazole.
Authors: D'YACHENKO E. K. , PESIN V. G. , SMIRNOVA A. A. , KAPITAN A. I. , ROZHKOVA N. D. , PAPIRNIK M. P.
Published: May 2016

The hitherto unknown title compounds, i.e. the formamidines (III), (VII) and (IX) are prepared from the amines (I), (VI) or (VIII) by Vilsmeier synthesis or by reaction with formic acid (IV) and the amide (V).
ChemInform Abstract: Stereochemistry of Conjugate Addition to 4‐ and 5‐Substituted α,β‐Unsaturated δ‐Lactones.
Authors: FLEMING I. , REDDY N. L. , TAKAKI K. , WARE A. C.
Published: May 2016

The unsaturated lactones (I) and (X) and the unsaturated lactam (XIII) undergo conjugate addition reaction with the phenyldimethylsilylcuprate (II) or the Grignard reagent (VII) to give the trans‐products (III), (VIIIa), (XI), and (XIV).
ChemInform Abstract: Amination of 5‐Nitro‐3,8‐dimethyl‐4,7‐phenanthroline.
Authors: SAVOSIN I. V. , SHABUROV V. V.
Published: May 2016

The reaction between the title compound (I) and hydroxylamine (II) yields the expected o‐nitroamine (III) along with the unexpected o‐diamine (IV).
ChemInform Abstract: Chemical Transformations of Some Coumarin‐Enaminoester Adducts.
Authors: IVANOV I. C. , RAEV L. D.
Published: May 2016

Products (II) of the addition reaction of (I) and (III) are not isolable and react further by ring closure or decarboxylation to give (IV) or (V), respectively.
ChemInform Abstract: Reactions of an Indeno(1,2‐b)indole and Novel Rearrangements of a Dioxodibenz(b,f)azocine to Derivatives of 5,12‐Diaza‐ and 5‐Oxa‐12‐azachrysene.
Authors: LETCHER R. M. , NG K.‐W. , CHEUNG K.‐K.
Published: May 2016

Oxidative ring‐enlargement of the indenoindole (I) produces the dioxodibenzazocine (II) which undergoes cyclization with phenylhydrazine (III) to give the pyrazolodibenzazocine (IV).
ChemInform Abstract: Stereoselective Synthesis of Endo 1,3‐Dimethyl‐2,9‐dioxabicyclo(3.3.1)nonane.
Authors: ADAMS J. , FRENETTE R.
Published: May 2016

The dioxabicyclononane (IX) is prepared from 2‐methyltetrahydropyrane2‐‐carboxylic acid (I) via Rh(II)‐initiated cyclization of the diazo ketone (III), Baeyer‐Villiger oxidation of the bicyclic ketone (IV) and olefination of (V) with Tebbe's reagent (VI).
ChemInform Abstract: Synthesis of 6‐Phenylimidazo(1,2‐a)pyrazin‐8‐one and 1‐Methyl‐6‐phenylimidazo(1,5‐a)pyrazin‐8‐one via Quaternary Intermediates.
Authors: DAVEY D. D.
Published: May 2016

The title compounds (VII) and (XII) are prepared from the 1‐substituted imidazolylcarboxylates (Ib) and (VIII) via the corresponding amides (III) and (IX).
ChemInform Abstract: Synthesis and Properties of 5‐Substituted 2‐Thiobarbituric Acid Dyes.
Authors: AKIYAMA S. , NAKASHIMA K. , NAKATSUJI S. , SUZUKI M. , UMEKAWA C.
Published: May 2016

Coupling of the aldehydes (I) with the thiobarbituric acids (II) yields the arylidenethiobarbituric acids (III).
ChemInform Abstract: Ruthenium‐Catalyzed Reaction of Carbon Dioxide, Amine, and Acetylenic Alcohol.
Authors: SASAKI Y. , DIXNEUF P. H.
Published: May 2016

The propargylic alcohols (II) react with diethylamine (Ia) and carbon dioxide (III) in the presence of a ruthenium carbonyl catalyst, producing the N,N‐diethylcarbamates (IV).
ChemInform Abstract: Characteristics of the Formylation of 8‐Methyl‐4‐phenyl‐2,3‐dihydro‐1H‐ 1,5‐benzodiazepin‐2‐one.
Authors: PROSHKINA V. N. , SOLOMKO Z. F. , BOZHANOVA N. YA. , OKORYAK I. I. , FASTOVETS S. I.
Published: May 2016

Reaction of the benzodiazepinone (I) with the Vilsmeier complex gives the aminomethylene compound (III), together with the N‐formylated product (IV).
ChemInform Abstract: A Very Efficient and Straightforward Synthesis of 1,3‐Dichloro‐1,1,3,3‐ tetraisopropyldisiloxane.
Authors: ZHANG H. X. , GUIBE F. , BALAVOINE G.
Published: May 2016

The tetraisopropyldisiloxane (I) is converted to the dichloro derivative (III) mentioned in the title using acetyl chloride (II) as the chloride donor.
ChemInform Abstract: A Simple Preparation of Trimethylsilylacetic Acid.
Authors: BELLASSOUED M. , DUBOIS J. E. , BERTOUNESQUE E.
Published: May 2016

When acetic acid (I) is consecutively treated with LDA and chlorotrimemethylsilane (II), the bissilyl ketene acetal (V) is usually obtained as the main product.