bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Nickel(0)‐Promoted Cyclization of Enynes with Isocyanides: A New Route to Polycyclic Cyclopentenone Skeletons.
Authors: TAMAO K. , KOBAYASHI K. , ITO Y.
Published: May 2016

The title reaction between the enynes (I) and the isocyanides (II) or (V) affords the corresponding iminocyclopentenes, e.g. (III) and (IV), which may be hydrolyzed to the corresponding cyclopentenones such as (VI) and (VII).
ChemInform Abstract: A New, Convenient Synthesis of Monoaroylpyrazines via Homolytic Substitution.
Authors: HEINISCH G. , LOETSCH G. +
Published: May 2016

Radical‐induced acylation of 2‐pyrazinecarboxylic acid (I) with the benzaldehydes (II) yields the 5‐aroylpyrazinecarboxylic acids (III).
ChemInform Abstract: Amide Bond Surrogates: Pseudopeptides and Macrocycles.
Authors: SPATOLA A. F. , DARLAK K.
Published: May 2016

Using both direct (ψ‐condensation) and indirect (preformed pseudodipeptide) solid phase approaches, new cyclic enkephalin analogues (I), (II) are prepared with thiomethylene as an amide bond surrogate in the interior portion of the molecule.
ChemInform Abstract: Synthesis and Biological Activity Test of the Pheromone of the Asiatic Leafroller Moth.
Authors: KANG S.‐K. , KU M.‐S. , NO K. , LEE J.‐O.
Published: May 2016

Twofold chain‐elongation of (I) yields the alkyne (IV), which is converted either to the (Z)‐ or (E)‐tetradecenyl acetates (VI) or (VIII).
ChemInform Abstract: General Trends Observed in the Substituted Thiophosphate Family. Synthesis and Structure of AgScP2S6 (I) and CdFeP2S6 (II).
Authors: LEE S. , COLOMBET P. , OUVRARD G. , BREC R.
Published: May 2016

(I) and (II) are prepared by annealing stoichiometric mixtures of the elements at 600 °C (sealed quartz tube, 2 weeks, yields not given).
ChemInform Abstract: Ion Beam Induced Decomposition of Transition‐Metal Fluoroanions
Authors: SASS C. S. , RABALAIS J. W.
Published: May 2016

, K2TiF6 (I), K2NbF7(II), and K2TaF7 (III), is studied by XPS and UPS.
ChemInform Abstract: Surface Acidity of the Layered Pyrophosphates of Tetravalent Ti, Zr, Ge, and Sn and Their Activity in Some Acid‐Catalyzed Reactions.
Authors: RAMIS G. , BUSCA G. , LORENZELLI V. , LA GINESTRA A. , GALLI P. , MASSUCCI M. A.
Published: May 2016

Layered MP2O7 compounds (M: Ti, Zr, Ge, Sn) are prepared by thermal dehydration of the corresponding M(HPO4)2·H2O compounds and characterized by XRD, Fourier‐transform IR spectroscopy, DTA, TG, and surface area measurements.
ChemInform Abstract: Primary Ethynamines (HCCNH2, PhCCNH2), Aminopropadienone (H2NCH=C=C=O), and Imidoylketene (HN=CHCH=C=O). Preparation and Identification of Molecules of Cosmochemical Interest.
Authors: WENTRUP C. , BRIEHL H. , LORENCAK P. , VOGELBACHER U. J. , WINTER H.‐W. , MAQUESTIAU A. , FLAMMANG R.
Published: May 2016

The very fleeting ynamine (IIa) can be observed in the flash vacuum pyrolysis of (Ia) or (Ib) by means of IR and mass spectrometry.
ChemInform Abstract: Syntheses of α,β‐Unsaturated Ketones Starting from Vinylic and Allylic Grignard Reagents via 2‐Imidazolylmethanol Intermediates.
Authors: HAYAKAWA S. , MICHIUE T. , OKAMOTO M. , HATAKEYAMA S. , OHTA S.
Published: May 2016

Reaction of the acylimidazoles (Ia) ‐ (Id) with the Grignard compounds, derived from the vinylic bromides (II), yields the hydroxyallylimidazoles (III) which are cleaved by subsequent N‐alkylation and treatment with bases, producing the α,β‐unsaturated ketones (IV).
ChemInform Abstract: Radical Cyclization of Oxime Ethers.
Authors: BARTLETT P. A. , MCLAREN K. L. , TING P. C.
Published: May 2016

A ready radical cyclization of oxime ethers such as (I) leads to the products (II), (III) together with the compounds (IV) in various ratios.
ChemInform Abstract: Synthesis of 1,3‐Dicarbonyl Compounds by the Oxidation of 3‐Hydroxycarbonyl Compounds with Corey‐Kim Reagent.
Authors: KATAYAMA S. , FUKUDA K. , WATANABE T. , YAMAUCHI M.
Published: May 2016

Oxidation of the 2‐substituted 3‐hydroxycarbonyl compounds (I) with N‐chlorosuccinimide ‐ dimethyl sulfide (II) (Corey‐Kim reagent) yields the 1,3‐dicarbonyl compounds (III), whereas the 2‐unsubstituted 3‐hydroxycarbonyl compounds (IV) are converted to the dimethylsulfonium methylides (V) under analogous conditions.
ChemInform Abstract: Metal‐Ion Catalysis in the Hydroxyalkylation of Phenol with Glyoxylic Acid.
Authors: HOEFNAGEL A. J. , PETERS J. A. , VAN BEKKUM H.
Published: May 2016

Metal ions such as Ga3+, In3+, or Al3+ (or Ti4+), when used as catalysts in the title reaction, yield (III) and (IV) (56‐75% or 8%) with ortho/para ratios in the range of 1.3‐28. In the presence of divalent cations such as Cu2+, Zn2+, or Ni2+ (34‐70%) the product ratio is below 1.1.
ChemInform Abstract: Reaction Mechanism of Heteroaromatic N‐Oxides with 5‐Hexenylmagnesium Bromide.
Authors: EBERSON L. , CARDELLINI L. , GRECI L. , POLONI M.
Published: May 2016

The reactions of the N‐oxides (I) and (V) with the Grignard reagent (II) are studied in order to obtain an insight into the reaction mechanism (electron transfer vs.
ChemInform Abstract: An Unusual Mechanism of a Palladium‐Catalyzed Intramolecular Carbametalation. A Novel Palladium‐Catalyzed Rearrangement.
Authors: TROST B. M. , TANOURY G. J.
Published: May 2016

Treatment of the enyne (I) with the palladium catalyst according to A) in the presence of the acetylene (II) yields the expected (2 + 2 + 2) cycloadduct (III) together with the rearrangement product (IV), whose production is explained as resulting from the formation of the intermediate (V).
ChemInform Abstract: Reactions with Cyclic Oxalyl Compounds. Part 26. The Fischer Indole Rearrangement of Sterically Hindered Systems. Part 7. Diaza(n.3.3)propellanes via Thermally Initiated Fischer Indolization.
Authors: KOLLENZ G. , THEUER R. , OTT W. , PETERS K. , PETERS E.‐M. , VON SCHNERING H. G.
Published: May 2016

The tricyclic pyrrolediones (V), synthesized from the cyclic ketones (I) or (VI), undergo thermal rearrangement to give the diazapropellanes (VII).
ChemInform Abstract: Phenoxy‐ and Phenylthioalkylguanidines: Synthesis and in vitro Pharmacology.
Authors: BUSCHAUER A.
Published: May 2016

Nine impromidine analogues such as (V) characterized by a phenoxy‐ or phenylthioalkyl moiety instead of the (5‐methyl‐imidazol‐4‐yl)‐methylthioethyl substituent at the guanidino group are prepared.
ChemInform Abstract: Preparation of 3‐Substituted 4,6‐Dinitroanthranils by Oxidation of Anionic σ‐Complexes of 1,3,5‐Trinitrobenzene.
Authors: KOVALENKO S. V. , ARTAMKINA G. A. , BELETSKAYA I. P. , REUTOV O. A.
Published: May 2016

Treatment of the Meisenheimer complexes (I) with CuBr/CCl4 gives the rearomatization products (II).
ChemInform Abstract: Synthesis and Reactivity of Some Amino‐Substituted 1,2,5‐Thiadiazole 1,1‐Dioxides.
Authors: ARAN V. J. , RUIZ J. R. , DAVILA E. , ALKORTA I. , STUD M.
Published: May 2016

The acid‐catalyzed cyclization of sulfamide (I) and cyanogen (II) yields the thiadiazole dioxide (IIIa), whose derivatives (IIIb) and (IIIc) are obtained by amino‐exchange reactions.
ChemInform Abstract: Metal‐Assisted N‐Heterocycle Synthesis. Part 5. Conversion of N‐Allylaniline Promoted by Rh(I): Synthesis and Molecular Structue of 2‐Ethyl‐1,2,3,4‐tetrahydro‐3‐methyl‐4‐anilinoquinoline.
Authors: ARESTA M. , QUARANTA E. , TREGLIA S. , IBERS J. A.
Published: May 2016

N‐Allylamine (I) is converted catalytically into the quinoline (IV), whose X‐ray structure is reported (space group P21/c; Z=4).
ChemInform Abstract: Synthesis and Biological Activity of Amidinomercaptocarboxylic Acids and Related Compounds.
Authors: GRANIK V. G. , SHVARTS G. YA. , GRIZIK S. I. , TUGUSHEVA N. Z. , FAERMARK I. F. , KUGAEVSKAYA E. V. , ELISEEVA YU. E. , PAVLIKHINA L. V. , OREKHOVICH V. N. , MASHKOVSKII M. D.
Published: May 2016

Coupling of the lactim ethers (I) or the lactam acetals (IV) with the mercapto amino acids (II) gives the title compounds (III).
ChemInform Abstract: Reactions of Dimethylsilylene with Pinenes.
Authors: WANG D. , CHAN T. H.
Published: May 2016

Photolysis of β‐pinene (I) with dodecamethylhexasilane (II) followed by methanol (III) quenching gives the allylsilane (IV) and the methoxysilane (V).
ChemInform Abstract: Preparation and Reactions of a Disilyne Synthon, 7,7‐Bis(7‐methyl‐1,4,5,6‐tetraphenyl‐7‐sila‐2,3‐benzo‐norbornadiene).
Authors: SEKIGUCHI A. , ZIGLER S. S. , HALLER K. J. , WEST R.
Published: May 2016

Only the anti‐bis(silanorbornadiene) (V) is obtained in the synthesis shown.
ChemInform Abstract: Preparation of Trimethyl‐2‐hydroxyethylarsonium (Arsenocholine) Compounds.
Authors: IRGOLIC K. J. , JUNK T. , KOS C. , MCSHANE W. S. , PAPPALARDO G. C.
Published: May 2016

Trimethylarsine (I) reacts with the haloethyl derivatives (II) and (IV) to form the arsonium salts (III) and (V).
ChemInform Abstract: Coordination Compounds of 1,1′‐Diacetylferrocene Benzoylhydrazone with Rare Earth Metals.
Authors: MA Y. , ZHAO G.
Published: May 2016

The title ligand (III) prepared according to the scheme reacts with the rare earth metal trichlorides (IV) to give the chelates (V).
ChemInform Abstract: Halogenocyclogermazanes: Influence of the Halogene Substituents on the Existence of an Equilibrium Cyclogermazane ⇄ Germa‐Imine.
Authors: RIVIERE‐BAUDET M. , KHALLAAYOUN A. , SATGE J.
Published: May 2016

Studies on ring opening of (I) in cycloaddition reactions with the nitrones (II), catalyzed by Lewis bases (HMPA) or Lewis acids (ZnCl2; M(CO)6; M(CO)5(THF), M: Cr, W) show that (Ia) is much less reactive than (Ib).
ChemInform Abstract: Organotin Compounds. Part 10. Organotin Hydride Addition to Methyl Cyclohexene‐1‐carboxylate and Methyl Indene‐3‐carboxylate.
Authors: AYALA A. D. , GIAGANTE N. , PODESTA J. C. , NEUMANN W. P.
Published: May 2016

Photochemically induced or AIBN initiated radical reaction of the cyclohexenecarboxylate (I) or the indenecarboxylate (IV) with the chlorostannanes (II) yields the cis‐substituted products (III) and (V).
ChemInform Abstract: Synthesis and Structures of ((C6H5)4P)2(M(CO)4Te4) (M: Cr, W), Containing a Polytelluride Ligand Derived from a Soluble Zintl Anion.
Authors: FLOMER W. A. , O'NEAL S. C. , KOLIS J. W. , JETER D. , CORDES A. W.
Published: May 2016

The title complexes (III) are obtained according to the scheme and characterized by elemental analysis, IR spectra, and X‐ray structure analysis (for both space group P21/c, Z=4).
ChemInform Abstract: ortho Metalation of m‐(Me2NCH2)2C6H4: Crystal Structure and Chemistry of trans‐Rh(III)Cl2(C6H3(CH2NMe2)2‐o,o′)(H2O).
Authors: VAN DER ZEIJDEN A. A. H. , VAN KOTEN G. , LUIJK R. , VRIEZE K. , SLOB C. , KRABBENDAM H. , SPEK A. L.
Published: May 2016

The reaction of the title compound with aqueous Rh trichloride in refluxing ethanol leads to the formation of the ortho‐metalated product (Ia).
ChemInform Abstract: Total Synthesis of the Muscarines.
Authors: PIRRUNG M. C. , DEAMICIS C. V.
Published: May 2016

The syntheses of muscarine (XIII) and allo‐muscarine (XIV) are described as outlined in the reaction scheme.
ChemInform Abstract: An (Al‐Si‐Cu)‐(Al2O3‐SiO2) Metal Matrix Composite Produced in Semisolid State.
Authors: ABIS S. , PELLEGRINI V.
Published: May 2016

An Al alloy containing 6 wt.% Si and 2 wt.% Cu is remelted at a temp. of 570 °C to give a metallic slurry which is then reinforced with 20 and 30 vol.% amorphous Al2O2‐SiO2 fibres and particulates.
ChemInform Abstract: Support Effect on the Catalytic Activity and Properties of Sulfided Molybdenum Catalysts.
Authors: SHIMADA H. , SATO T. , YOSHIMURA Y. , HIRAISHI J. , NISHIJIMA A.
Published: May 2016

It is found that the catalytic activity of supported, sulfided Mo catalysts for hydrogenation (HYD) of 1‐methylnaphthalene, hydrodesulfurization (HDS) of dibenzothiophene, and hydrocracking (HYC) of diphenylmethane strongly depends on the support (the order in catalytic acitivty for these reactions are shown in the scheme).
ChemInform Abstract: Formation and Transformation of Solid Solutions in the System Nb2O5‐Ta2O5.
Authors: YAMAGUCHI O. , TOMIHISA D. , SHIRAI M. , SHIMIZU K.
Published: May 2016

A continuous series of hexagonal δ‐Nb2O5‐δ‐Ta2O5 solid solutions is formed at low temp. from amorphous materials prepared by simultaneous hydrolysis of Nb and Ta alkoxides.
ChemInform Abstract: Photophysical, Photochemical, and Redox Behavior of a Series of Ligand‐Bridged (OC)5M‐L‐M′(CO)5 (M, M′: Cr, Mo, W) Complexes.
Authors: ZULU M. M. , LEES A. J.
Published: May 2016

The effects of varying the electronic stabilization of the ligand π* orbitals between the metals for the sym. ligand‐bridged complexes (I), (III) and (IV) and the corresponding mononuclear derivatives (II) on the IR and electronic spectra, redox potentials and MLCT emission are investigated.
ChemInform Abstract: Electrolytic Studies on Vinyl Azides. Part 8. Cathodic Reductions of Acid Azides.
Authors: KNITTEL D.
Published: May 2016

A convenient way is described to abtain triacylammonia derivatives such as (IV) or (VIa) starting from the suitable acid chloride.
ChemInform Abstract: Rearrangement of Suitably Constituted Aryl, Alkyl, or Vinyl Radicals by Acyl or Cyano Group Migration.
Authors: BECKWITH A. L. J. , O'SHEA D. M. , WESTWOOD S. W.
Published: May 2016

The aryl radicals generated from (I) and (IV) yield the rearranged products (II) and (V) (besides the reduced species (III) and (VI)) via attack at the keto or cyano function to give a cyclic intermediate followed by β‐fission (e.g.
ChemInform Abstract: Generation and Trapping of an Alkatrienylidenecarbene.
Authors: STANG P. J. , LEARNED A. E.
Published: May 2016

The carbene (VI), produced from the alkadiynyl mesylate (V) by base‐induced elimination and rearrangement, reacts with tetramethylethylene (VII) to give the cyclopropane (VIII) which undergoes cyclodimerization, forming the cyclobutane (IX).
ChemInform Abstract: Syntheses of 1,2‐Disubstituted Adamantanes.
Authors: ABDEL‐SAYED A. N. , BAUER L.
Published: May 2016

The title compounds are prepared starting from the protoadamantane derivatives (I) and (VI).
ChemInform Abstract: Palladium Catalyzed Phenylation of Allylic Alcohols. Dramatic Effect of Tertiary Amines on the Reaction Rate.
Authors: BENHADDOU R. , CZERNECKI S. , VILLE G.
Published: May 2016

The phenylation rate of the allyic alcohols (I), yielding the ketones (III) and (IV), is enhanced by the addition of triethylamine.
ChemInform Abstract: Chemistry of Hetarenecarbohydrazonoyl Halides. Synthesis and Reactions of N‐(p‐Nitrophenyl)‐2‐thiophenecarbohydrazonoyl Halides.
Authors: HASSANEEN H. M. , MOUSA H. A. H. , ABED N. M. , SHAWALI A. S.
Published: May 2016

Halogenation of the arylthenoylhydrazine (I) yields the hydrazonoyl halides (III) which react with the nucleophiles (IV) to form the substitution products (V).
ChemInform Abstract: Photochemistry of Heterocycles. Part 19. Preparation and Photochemistry of Isoxazolines Fused with a Naphthalene Ring.
Authors: STIBRANYI L. , FISERA L. , HUBOVA K.
Published: May 2016

The tetrahydronaphthalenoisoxazoles (III) are formed by 1,3‐dipolar cycloaddition reaction of 1,4‐dihydronaphthalene (I) with the benzonitrile oxides (II).
ChemInform Abstract: Studies on Potential Antitubercular Agents. Synthesis of 1‐(2′‐Morpholino‐3′‐quinoxalinoyl)‐2‐benzalhydrazine and 2‐Aryl‐3‐(2′‐morpholino‐3′‐quinoxalimido)‐4‐thiazolidinones.
Authors: FERNANDES P. S. , SONAR T. M.
Published: May 2016

The hydrazide (IV) reacts with the aldehydes (V) to give the acylhydrazones (VI).
ChemInform Abstract: Synthesis and Chemical Behavior of 6‐sec‐Amino‐1,3‐thiazine‐2‐thiones.
Authors: SCHROTH W. , RICHTER M. , DOBNER B. , SPITZNER R. , FREITAG S.
Published: May 2016

Three procedures for the synthesis of the title compounds (e.g.
ChemInform Abstract: From Azido Acids to Macrolactams and Macrolactones.
Authors: BARTRA M. , BOU V. , GARCIA J. , URPI F. , VILARRASA J.
Published: May 2016

The azidocarboxylic acids (I) are converted into the lactams (IV) by reductive cyclization of the azido thioesters (III).
ChemInform Abstract: Stereoselective Syntheses of the Methylene‐ and α‐Fluoromethylenephosphonate Analogues of 2‐Phospho‐D‐glyceric Acid.
Authors: BLACKBURN G. M. , RASHID A.
Published: May 2016

Starting with the 1,2‐O‐isopropylidene‐L‐threose (I), the aldehyde (V) and the acid (VII) are prepared enantioselectively via the lactol (IV).
ChemInform Abstract: Subsite‐Differentiated Analogues of Biological (4 Fe‐4 S)2+ Clusters: Synthesis, Solution and Solid‐State Structures, and Subsite‐Specific Reactions.
Authors: STACK T. D. P. , HOLM R. H.
Published: May 2016

In order to study subsite‐specific behavior in F4S4 cluster cores the synthesis of a semirigid trithiol ligand is described which readily binds to a single cluster.
ChemInform Abstract: Crown Thioether Chemistry: Homoleptic Hexakis(thioether) Complexes of Nickel(II).
Authors: COOPER S. R. , RAWLE S. C. , HARTMANN J. R. , HINTSA E. J. , ADMANS G. A.
Published: May 2016

The Ni(II) complexes (I) and (II) are prepared from corresponding Ni(II) salts and thioether ligands and characterized by electronic spectroscopy and for (Ia) (space group Pbca, Z=4), the picrate (IIa) and (IIb) (C2/c, Z=4) by single‐crystal X‐ray structure analysis.
ChemInform Abstract: Acid‐Catalyzed Hydrolysis of a Dienylsulfide. Application to the Synthesis of γ‐Damascone.
Authors: GOSSELIN P.
Published: May 2016

The reaction of the dithioester (I) with the Grignard reagent (II) does not yield the expected dithioketal but leads to the formation of the dienylsulfide (IV), which is hydrolyzed under mild conditions to afford the title compound (VI).
ChemInform Abstract: Mass Transport and Chemical Demixing of Y‐Ba‐Cu‐O Compounds During Sintering in Temperature Gradients.
Authors: RAHAMAN M. N. , DE JONGHE L. C. , CHU M.‐Y.
Published: May 2016

A thin cyclindrical powder compact (3 mm diameter, 20 mm length) of YBa2Cu3O6+x (x not determined) is sintered in a static temp. gradient of 25 °C/mm (the hot end at 940 °C) in air for 12 h and subsequently analyzed by SEM and EDAX.
ChemInform Abstract: Low‐Temperature Synthesis Route to MgNb2O6.
Authors: HOROWITZ H. S.
Published: May 2016

The title compound is prepared by both solid‐state reaction of the oxides and by air calcination of a powder derived from a Mg‐acetate/Nb‐oxalate solution and the solid‐state reactions of the calcined products with PbO are studied.
ChemInform Abstract: Native Oxides Formed on Single‐Crystal Germanium by Wet Chemical Reactions.
Authors: GREGORY O. J. , PRUITT L. A. , CRISMAN E. E. , ROBERTS C. , STILES P. J.
Published: May 2016

Stable oxide films are prepared on n‐Ge wafers ((111), (110), and (100) surfaces) by oxidation in aqueous HF/H2O2 solution.
ChemInform Abstract: Synthesis of Boron Carbide via Poly(vinylpentaborane) Precursors.
Authors: MIRABELLI M. G. L. , SNEDDON L. G.
Published: May 2016

It is shown that oligomeric vinylpentaborane compounds can be prepared in high yield and are excellent low‐temp.
ChemInform Abstract: Complexation of Cu2+ by Binucleating Macrocycles Containing the N6 Donor Set.
Authors: CRUSE R. W. , KADERLI S. , SPIELER W. , ZUBERBUEHLER A. D. +
Published: May 2016

The ligands (I) and (II) both form eight Cu2+ complexes, three of them being binuclear.
ChemInform Abstract: The Reaction of Alkyl 4‐Hydroxy‐2‐alkynoates and 4‐Hydroxy‐2‐alkyn‐1ones with Palladium Tributylammonium Formate and with Tributylamine: Preparation of 1,4‐Dicarbonyl Compounds.
Authors: ARCADI A. , CACCHI S. , MARINELLI F. , MISITI D.
Published: May 2016

The hydroxyalkynyl ketones or esters (I) react with tributylamine and formic acid in the presence of a Pd(II) catalyst to produce the saturated 1,4‐dicarbonyl compounds (III) via hydrogenation of the rearranged intermediates (II).
ChemInform Abstract: In situ Formation and Reactions of Chloromethyllithium Under Sonochemical Conditions.
Authors: EINHORN C. , ALLAVENA C. , LUCHE J.‐L.
Published: May 2016

Sonication of a mixture, consisting of the carbonyl compounds (I), bromochloromethane (II), and lithium, yields the epoxides (III) after hydrolysis.
ChemInform Abstract: Synthesis of Oxaziridinylquinones and Oxaziridinylazines as Potential Antitumor Agents.
Authors: MLOCHOWSKI J. , KUBICZ E. , KLOC K. , MORDARSKI M. , PECZYNSKA W. , SYPER L.
Published: May 2016

Starting from the heteroaromatic aldehydes (I), the E‐oxaziridinyl azines (III) are prepared via the aldimines (II).
ChemInform Abstract: New Synthesis of 4‐Acetoxy‐2‐azetidinones by Use of Electrochemical Oxidation.
Authors: MORI M. , KAGECHIKA K. , TOHJIMA K. , SHIBASAKI M.
Published: May 2016

Electrochemical oxidation of the azetidinones (I), (IV), and (V) in the presence of acetic acid (II) gives the 4‐acetoxyazetidinones (III) or (VI).
ChemInform Abstract: A Facile Preparation of Fluoropyridines from Aminopyridines via Diazotization and Fluorodediazoniation in HF or HF‐Pyridine Solution.
Authors: FUKUHARA T. , YONEDA N. , SUZUKI A.
Published: May 2016

The fluoropyridines (II), (VI), and (VIII) are produced by a diazotization‐dediazoniation sequence of the corresponding aminopyridines (I), (V), and (VII) in the presence of HF.
ChemInform Abstract: 2H‐1,3,4‐Oxadiazin‐2‐ones. A New Class of Heterocyclic Compounds.
Authors: SCHILDBERG M. , DEBAERDEMAEKER T. , FRIEDRICHSEN W.
Published: May 2016

Metal‐catalyzed cyclization of (I) yields the title compounds (II) instead of the target 1,3‐dipolar 8π‐heterocycles (III), which may, however, be intermediates in the formation of (II).
ChemInform Abstract: A Novel Synthesis of Selenophenes.
Authors: NAKAYAMA J. , MURAI F. , HOSHINO M. , ISHII A.
Published: May 2016

The ketones (I) react with selenium oxychloride (II) to give the selenides (IV) after reductive dehalogenation.
ChemInform Abstract: Synthesis and Structure of cis‐Dichlorobis(2‐phenylazopyridine)chromium(II), an Inert Chromium(II) Compound.
Authors: FERREIRA V. , KRAUSE R. A. , LARSEN S.
Published: May 2016

The title compound (III), which is surprisingly inert for a Cr(II) complex, crystallizes in P21/c with Z=4.
ChemInform Abstract: New Coupling Reaction of o‐Phenylenediamine Catalyzed by Mn(II) Ion.
Authors: HSIEH M. L. , CHENG M. C. , PENG S. M.
Published: May 2016

The reaction of Mn(II) perchlorate (I) with o‐phenylenediamine (II) and O2 leads to the formation of the distorted octahedral complex (III) (no yield given).
ChemInform Abstract: Synthesis and Characterization of Novel Rhodium Porphyrin Derivatives with a Metal‐Metal Bond.
Authors: BOSCHI T. , LICOCCIA S. , PAOLESSE R. , TAGLIATESTA P.
Published: May 2016

First examples of Rh complexes (III) are described and spectroscopically characterized.
ChemInform Abstract: Fredericon A, B, C, and D: Novel and Highly Functionalized Abietanoids from Leaf‐Glands of Coleus fredericii G. Tayl.
Authors: ZHU Z.‐Y. , NAYESHIRO H. , PREWO R. , RUEEDI P. + , EUGSTER C. H.
Published: May 2016

Fredericon A (I) and B (II) are isolated from the title species.
ChemInform Abstract: Enantiomerically Pure 7‐Oxabicyclo(2.2.1)hept‐5‐en‐2‐yl Derivatives as Synthetic Intermediates. Part 3. Total Synthesis of D‐ and L‐Ribose Derivatives.
Authors: WAGNER J. , VIEIRA E. , VOGEL P.
Published: May 2016

The bicyclic nitrile (I) is converted to the protected ribofuranoside D‐(VII) as shown.
ChemInform Abstract: Synthesis of Cyclopentane Analogues of 1‐(2′,3′‐Dideoxy‐β‐glycero‐pentofuranosyl)pyrimidine Nucleosides.
Authors: HRONOWSKI L. J. J. , SZAREK W. A.
Published: May 2016

Starting from norbornene (I) the racemic aminocyclopentanemethanol (III) is prepared via the anhydride (II).
ChemInform Abstract: Development and Microstructural Characterization of High‐Thermal‐Conductivity Aluminum Nitride Ceramics.
Authors: KUROKAWA Y. , UTSUMI K. , TAKAMIZAWA H.
Published: May 2016

The effect of several additives such as CaC2, CaO, Y2O3, and C on the thermal conductivity of hot‐pressed AlN ceramics is studied.
ChemInform Abstract: Complex Processes Related to the Early Stages of Mercury Electrodeposition on Pt Electrodes.
Authors: SALVAREZZA R. C. , ARVIA A. J.
Published: May 2016

The underpotential deposition (UPD) and early stages of bulk Hg electrodeposition on either polycrystalline or polyfacetted single crystal Pt electrodes in acid solution containing Hg22+ are studied by using combined potentiostatic and potentiodynamic techniques.
ChemInform Abstract: Ammonium Fluoroperoxomonophosphate Dihydrate, (NH4)2(PO2(O2)F)·2 H2O. First Chemical Synthesis of a Fluorinated Peroxophosphate.
Authors: BHATTACHARJEE M. , CHAUDHURI M. K.
Published: May 2016

The title compound (IV) is prepared according to the scheme and the IR‐ and laser‐Raman spectra are briefly discussed.
ChemInform Abstract: Free‐Radical Macrocyclization‐Transannular Cyclization.
Authors: PORTER N. A. , CHANG V. H.‐T. , MAGNIN D. R. , WRIGHT B. T.
Published: May 2016

Macrocycles such as (IV) or (VIII) are conveniently accessible by intramolecular addition of free radicals, generated from iodides such as (IIIa) or (IIIb), to the olefinic group of the latter molecules.
ChemInform Abstract: Photocarboxylation in the Presence of Aromatic Amines and Carbon Dioxide.
Authors: ITO Y. , UOZU Y. , MATSUURA T.
Published: May 2016

The anilines (I) are coupled with the styrenes (II) in the presence of carbon dioxide (III) upon photolysis, forming the amino acids (IV), together with the carboxylic acids (V) and (VI).
ChemInform Abstract: Reactions of Alkylmercurials with Heteroatom‐Centered Acceptor Radicals.
Authors: RUSSELL G. A. , NGOVIWATCHAI P. , TASHTOUSH H. I. , PLA‐DALMAU A. , KHANNA R. K.
Published: May 2016

Photolysis of alkylmercury halides such as (I) in the presence of disubstituted dichalcogenides (II) proceeds via a free radical chain mechanism to give the products (III).
ChemInform Abstract: Mechanism of Reductive Degradation of Dithiocarbonates by Tributylstannane.
Authors: BACHI M. D. , BOSCH E.
Published: May 2016

The products (III) indicate that the first step involves the homolytic attack of Bu3Sn.
ChemInform Abstract: Chiral Synthesis via Organoboranes. Part 15. Selective Reductions. Part 42. Asymmetric Reduction of Representative Prochiral Ketones with Potassium 9‐O‐(1,2:5,6‐Di‐O‐isopropylidene‐α‐D‐glucofuranosyl)‐9‐boratabicyclo(3.3.# 1)nonane.
Authors: BROWN H. C. , CHO B. T. , PARK W. S.
Published: May 2016

The reagent (IV) mentioned in the title is employed in the reduction of cyclic ketones such as (V), of aliphatic (VII) and aromatic ketones (IX), and the α‐keto esters (XI), yielding the corresponding optically active hydroxy compounds (VI), (R)‐(VIII), (R)‐(X), or (S)‐(XII).
ChemInform Abstract: Methyl Viologen Mediated Oxidation‐Reduction Across Dihexadecylphosphate Vesicles Involves Transmembrane Diffusion.
Authors: PATTERSON B. C. , THOMPSON D. H. , HURST J. K.
Published: May 2016

The reactions of dihexadecylphosphate vesicle‐bound methyl viologen (MV2+) described are unique in allowing deduction of molecular details of a transmembrane redox event from the product composition and microphase distribution.
ChemInform Abstract: A Facile Synthesis of Alkyl Iodides and Deuterated Alkyl Iodides by Hydroiodination and Deuteroiodination of Olefins.
Authors: IRIFUNE S. , KIBAYASHI T. , ISHII Y. , OGAWA M.
Published: May 2016

Hydroiodination of the olefins (I) to give (II) is achieved by treatment with chlorotrimethylsilane and sodium iodide in the presence of water.
ChemInform Abstract: Amphiphilic Reactions by Means of Exceptionally Bulky Organoaluminum Reagents. Rational Approach for Obtaining Unusual Equatorial, Anti‐Cram, and 1,4 Selectivity in Carbonyl Alkylation.
Authors: MARUOKA K. , ITOH T. , SAKURAI M. , NONOSHITA K. , YAMAMOTO H.
Published: May 2016

The exceptionally bulky, oxygenophilic organoaluminum reagents MAT and MAD (cf.
ChemInform Abstract: A Model for the Diastereofacial Differentiation in the Alkylation of Endocyclic Enolate.
Authors: TOMIOKA K. , KAWASAKI H. , YASUDA K. , KOGA K.
Published: May 2016

The alkylation of endocyclic enolates such as (I), (IV), (VI) (generated in situ from appropriate lactone precursor) occurs with diastereofacial differentiation depending on the substituents R2, A, or R4, respectively.
ChemInform Abstract: Oxidation Reactions of the Addition Products of CF3I, Te(CF3)2, and Sb(CF3)3 to Cyclohexene.
Authors: NAUMANN D. , KISCHKEWITZ J. , WILKES B.
Published: May 2016

Addition of Sb(CF3)3 (II) to cyclohexene (I) yields a cis/trans mixture of the adduct (III) which is oxidized to the antimony dihalides (IV).
ChemInform Abstract: Analogues of Aminoglutethimide Based on 1‐Phenyl‐3‐azabicyclo(3.1.0)hexane‐2,4‐dione: Selective Inhibition of Aromatase Activity.
Authors: ROWLAND M. G. , BUNNETT M. A. , FOSTER A. B. , JARMAN M. , STANEK J. , SCHWEIZER E.
Published: May 2016

Carbene addition reaction of the ethyl arylchloroacetates (II) to ethyl acrylate (I) gives the arylcyclopropanedicarboxylic acid (III) which is cyclized with NH3 (IV) to yield the bicyclic imide (V).
ChemInform Abstract: Synthesis and Pharmacological Approach to Some Spirohydantoins: Relation with the Conformation.
Authors: COURTOISON J. C. , COUDERT P. , COUQUELET J. , TRONCHE P. , JONADET M. , BASTIDE P.
Published: May 2016

The spirohydantoins (IV) and (VI) are prepared by Bucherer‐Bergs reaction of the cyclic ketones (I) or (V).
ChemInform Abstract: Pyridines. Part 16. Reactions of N1‐(Arylethenyl)benzamidines with Isocyanates and Phenyl Isothiocyanate. A Facile Synthesis of N1‐(1,2‐Diarylethenyl)‐N2‐(alkyl‐ or arylaminocarbonyl)benzamidines and Substituted 2‐Oxo‐ or 2‐Thioxo‐1,2,3,4‐tetrahydro‐1,3,5‐triazines.
Authors: KIMMY T. , GASQUEZ F. , CAMPAGNON P.‐L.
Published: May 2016

Treatment of the benzamidines (I) with the isocyanates (II) in THF gives the urea derivatives (III), whereas reaction of (Ib) with the isocyanates (IV) or the isothiocyanate (VI) in toluene in the presence of quinuclidine produces the triazine derivatives (V) or (VII).
ChemInform Abstract: Preparation and Properties of Tetrathio Derivatives of Quinodimethanes Fused to a 1,2,5‐Thiadiazole Unit and Related Heterocycles.
Authors: YAMASHITA Y. , MIYASHI T.
Published: May 2016

The quinones (II), (V), or (VII) undergo Wittig‐Horner olefination with 2‐(dimethoxyphosphinyl)‐1,3‐benzodithiol (I) in the presence of butyllithium, forming the donor compounds (III), (IV), (VI), and (VIII).
ChemInform Abstract: Metal Complexes of Antiinflammatory Drugs. Part 5. Meclofenamic Acid Complexes of Manganese(II), Iron(III), Cobalt(II), Nickel(II), Copper(II) and Zinc(II).
Authors: BURY A. , UNDERHILL A. E. , BURKE K. , FLEMING R. P. E. , DAVIES J. R. , GOMM P. S.
Published: May 2016

The ligand (I), dissolved in NaOH, reacts with aqueous solutions of FeCl3 or MCl2 (M: Co, Ni, Cu, Mn, Zn) to give 3:1 or 2:1 complexes with more than 90% yield; these contain 1‐5 mole H2O with the exception of the Co complex, which is not hydrated.
ChemInform Abstract: Europium(II) Organometallic Compounds: Synthesis and Characterization by 1H‐NMR.
Authors: ARNAUDET L. , BAN B.
Published: May 2016

Reaction of the europium(III) complexes (I) and (III) with lithium naphthalenide yields the europium(II) compounds (II) or (V).
ChemInform Abstract: Synthesis and Single‐Crystal X‐Ray Structure Determination of trans‐(RhCl2(tmc))PF6 (tmc: 1,4,8,11‐tetramethyl‐1,4,8,11‐tetraazacyclotetradecane).
Authors: BLAKE A. J. , REID G. , SCHROEDER M. +
Published: May 2016

The title complex (I) is synthesized by equimolar reaction of RhCl3·3 H2O with the macrocycle in refluxing methanol followed by addition of NH4PF6.
ChemInform Abstract: DNA Strand Scission by Naturally Occurring 5‐Alkylresorcinols.
Authors: SCANNELL R. T. , BARR J. R. , MURTY V. S. , REDDY K. S. , HECHT S. M.
Published: May 2016

A dichloromethane extract of Hakea trifurcata is found to mediate the cleavage of ΦX174 DNA in the presence of Cu2+; bioassay‐guided fractionation affords the active constituents (I)‐(III), whose structures are determined by spectroscopy or independent syntheses.
ChemInform Abstract: Novel Construction of Penems and Carbapenems. Further Evidence of a Carbene Intermediate for the Oxalimide Cyclization Reaction.
Authors: KAMETANI T. , CHU S.‐D. , ITOH A. , WANG T.‐C. , NAKAYAMA A. , HONDA T.
Published: May 2016

The unsaturated thioether (I) is transformed into the thioformate (IV) which is coupled with benzenethiol (V) to give the orthothioformates (VIa) and (VIb).
ChemInform Abstract: Resonance‐Raman Spectra of Nitro Cobalt(III) Complexes: K3(Co(NO2)6), Na3(Co(NO2)6), trans‐(NH4) (Co(NO2)4(NH3)2), and trans‐(Co(NO2)2(NH3)4)NO3
Authors: KANAMORI K. , SHIMIZU A. , SEKINO H. , HAYAKAWA S. , SEKI Y. , KAWAI K.
Published: May 2016

are measured at ∼ 80 K. Both intra‐ligand vibrations (NO2 sym. stretching and NO2 bending modes) and skeletal vibrations (Co‐NO2 and Co‐NH3 stretching modes) are found to be resonance‐enhanced within the visible absorption band.
ChemInform Abstract: TlBa2‐xCa2+xCu3O10‐y: a 120 K Superconductor, New Member of a Large Family of Intergrowths of Multiple Sodium Chloride‐Type Layers with Multiple Oxygen Deficient Perovskite Layers.
Authors: MARTIN C. , MICHEL C. , MAIGNAN A. , HERVIEU M. , RAVEAU B.
Published: May 2016

The title compound is prepared by annealing a pressed pellet of a mixture of Tl2O3, BaO2, CaO, and CuO (evacuated silica ampoule, 750‐830 °C, 5 h).
ChemInform Abstract: Liquidus Surfaces of the KF‐B2O3‐Li2WO4, KF‐B2O3‐Na2WO4 and KF‐B2O3‐K2WO4 Systems
Authors: KOYAMA K. , HASHIMOTO Y.
Published: May 2016

are determined by the hot thermocouple method in order to develop a fused salt system suitable for the electrodeposition of tungsten.
ChemInform Abstract: Impedance Study on Inhibition and Stimulation of Iron Corrosion in Acid Solution by Various Inorganic Anions and Tetra‐alkylammonium Cation.
Authors: ARAMAKI K. , HAGIWARA M. , NISHIHARA H.
Published: May 2016

Both the anodic and cathodic reactions of Fe in 1 M HClO4 are inhibited by Cl‐, Br‐, I‐, SO42‐, and N3‐ and promoted by S2O32‐, SH‐, SCN‐, and NO3‐.
ChemInform Abstract: Macromolecular Stereochemistry: A Cooperative Deuterium Isotope Effect Leading to a Large Optical Rotation.
Authors: GREEN M. M. , ANDREOLA C. , MUNOZ B. , REIDY M. P. , ZERO K.
Published: May 2016

Polymer (II) exhibits a surprisingly high, temp.‐dependent (α)D ‐258° (47 °C), ‐367° (25 °C), ‐450° (10 °C), whereas the polymer (IV) has (α)D ‐480° (47 °C), ‐485° (21 °C), and ‐498° (10 °C).
ChemInform Abstract: Chelation of Copper(II) by Daunomycin and 5‐Iminodaunomycin and Interaction of the Complexes with Mononucleotides: An ESR Study.
Authors: MALATESTA V. , MORAZZONI F. , PELLICCIARI‐BOLLINI L. , SCOTTI R. , SPERANZA G.
Published: May 2016

The Cu(II) complexes of daunomycin, a drug used in the treatment of acute leukemia, and 5‐iminodaunomycin, an active compound used on tumor models, are studied at various values of pH and anthracycline‐to‐Cu(II) molar ratio.
ChemInform Abstract: Novel Anthraquinone Derivatives Undergoing Photochemical Valence Isomerization.
Authors: MIKI S. , MATSUO K. , YOSHIDA M. , YOSHIDA Z.
Published: May 2016

Thermolysis of the cyclopentadienones (I) with the acetylenedicarboxylate (II) yields the phthalates (III) which are reductively cyclized to form the phthalides (IV).
ChemInform Abstract: Evolution of Electronically Excited Triphenylmethyl Radical. Picosecond Preparation‐Pump‐Probe Spectroscopic Experiments
Authors: SCHMIDT J. A. , HILINSKI E. F.
Published: May 2016

(three‐pulse ps‐resolved absorption experiments at ca. 22 °C; 1. pulse 266 nm, 30 ps, leading to the Ph3C.‐Cl.
ChemInform Abstract: The Role of the Delocalized α,α′‐Carbanion in Vitamin B6 and Al(III) Catalyzed Transamination of α‐Amino and α‐Keto Acids.
Authors: TAYLOR P. A. , MARTELL A. E.
Published: May 2016

In order to investigate the mechanism and to compare it with the mechanism of enzymatic and nonenzymatic vitamin B6 catalyzed transaminations, the rates of the transamination reactions of α‐amino acids and α‐keto acids are studied by means of NMR spectra.
ChemInform Abstract: Reactions of Nitro‐ and Chloro‐Substituted Perfluoroacetones with N,N‐Disubstituted Hydrazines.
Authors: BARGAMOVA M. D. , BARGAMOV G. G. , KNUNYANTS I. L.
Published: May 2016

The polyfluoroacetones (I) are coupled with the hydrazines (II) to give the hydrazones (III) of which (IIIa) is not stable but decomposes on distillation, producing the pyruvic fluoride hydrazone (IV).
ChemInform Abstract: Synthesis of Sulfenamides from Various Nitrobenzenes with Elemental Sulfur in Liquid Ammonia.
Authors: SATO R. , HOSHI Y. , SASAKI M. , NAKAYAMA M. , GOTO T. , SAITO M.
Published: May 2016

Sulfenamides, e.g. (IV), are only obtained when liq.
ChemInform Abstract: Reaction of Diphenylcarbene with Diphenyldiazomethane.
Authors: GRILLER D. , MAJEWSKI M. , MCGIMPSEY W. G. , NAZRAN A. S. , SCAIANO J. C.
Published: May 2016

The reaction of diphenylcarbene (II) with diphenyldiazomethane (I), yielding benzophenone azine (III), is examined under various conditions.
ChemInform Abstract: Photodesulfurization of Indoline‐2‐thiones: A Facile Synthesis of Indoles.
Authors: NISHIO T.
Published: May 2016

The indolinethiones (I) are irradiated in benzene to form the desulfurated indoles (II) and the disulfides (III).
ChemInform Abstract: Generation and Reactions of Bis(arylmethylene)propanethione.
Authors: MOTOKI S. , TERAUCHI Y. , KAMETANI S.
Published: May 2016

The bis(arylmethylene)propanones (I) react with P4S10 (II) to form the dithiaphospha heterocycles (III) which are thermolyzed to generate the thiones (IV).
ChemInform Abstract: Synthesis of 3,4‐Dihydro‐4‐methyl‐2‐(quinolin‐3‐yl)‐2H‐pyrano(3,2‐c)quinolines.
Authors: KUMARASWAMI K. , SHANMUGAM P.
Published: May 2016

The N‐butenoylanthranilates (I) are treated with bases to form the title compounds (IV) via Diels‐Alder cycloaddition reaction of the isomeric intermediates (II) and (III).
ChemInform Abstract: Phosphorus Pentoxide in Organic Synthesis. Part 37. Synthesis of 2‐Amino‐6‐arylaminopurines.
Authors: YAKOUT E.‐S. M. A. , SOEE H. M. , PEDERSEN E. B.
Published: May 2016

A method is developed for the synthesis of 2‐amino‐6‐arylaminopurines such as (III) starting from guanine (I).
ChemInform Abstract: Chiral Complexing and Phase‐Transfer Agents. Part 3. Synthesis of Podands with C2‐Symmetry and a 24‐Crown‐8 Ether with D2‐Symmetry from 1,4:3,6‐Dianhydro‐D‐mannitol.
Authors: EL'PERINA E. A. , ABYLGAZIEV R. I. , STRUCHKOVA M. I. , SEREBRYAKOV E. P.
Published: May 2016

Dianhydromannitol (I) is coupled with the bromides (II) to give the podands (III).
ChemInform Abstract: Reactions of (Ru3(CO)12) with Nitrogen‐Containing Heterocycles. Crystal Structures of (Ru3(μ‐H)(μ3‐ppy)(CO)9) and (Ru3(μ‐napy)(μ‐CO)3(CO)7).
Authors: CABEZA J. A. , ORO L. A. , TIRIPICCHIO A. , TIRIPICCHIO‐CAMELLINI M.
Published: May 2016

The reaction of Ru3(CO)12 (I) with the pyrrolopyridine (II), benzimidazole, benzotriazole, 1,8‐naphthyridine, 1,10‐phenanthroline, 2,2'‐biquinoline, or 2,2'‐bipyrimidine in refluxing hexane, benzene, or THF leads to the tri‐ and binuclear complexes (II)‐(VI), and (VIII), respectively.
ChemInform Abstract: The Schmidt Reaction: Synthesis of Azasteroids.
Authors: AHMAD M. S. , ALAM Z.
Published: May 2016

Treatment of some cholestane derivatives such as (I) according to A) yields the corresponding lactams such as (II).
ChemInform Abstract: Cyclization of Quinolinium Salts with a Peptide‐Like Side Chain.
Authors: GUENDEL W. H. + , BOHNERT S.
Published: May 2016

The quaternary salts (IV), which are readily available from the dipeptide esters (I), dimerize under the influence of base to give the cyclopeptide‐like substances (V) with twenty‐membered rings.
ChemInform Abstract: An Efficient Chemoselective Synthesis of Nitriles from Primary Amides.
Authors: CLAREMON D. A. , PHILLIPS B. T.
Published: May 2016

The primary amides (I) are dehydrated with the inner salt of (methoxycarbonylsulfamoyl)triethylammonium hydroxide (Burgess reagent) to form the nitriles (II).
ChemInform Abstract: Exoelectron Emission Accompanying the Phase Transformations in Some Silver Salts.
Authors: GORECKI T. , GORECKI C. , BIERNACKI L.
Published: May 2016

The results of parallel DTA and exoelectron emission (EEE) studies clearly show that the polymorphic phase transitions in AgI, AgNO3, and Ag2SO4 are accompanied by enhancements (peaks) of the EEE intensity.
ChemInform Abstract: Electrocatalysis at a Novel Electrode Coating of Nonstoichiometric Tungsten(VI,V) Oxide Aggregates.
Authors: KULESZA P. J. , FAULKNER L. R.
Published: May 2016

Stable, mixed‐valent W(VI,V) oxide aggregates are electrodeposited on common electrode substrates from a colloidal mixture of WO3·2 H2O/WO3·H2O in 2M H2SO4 at 35 °C by cycling the potential between 0.8 and ‐0.4 V (vs.
ChemInform Abstract: Acidity of Unsupported and Silica‐Supported Vanadia, Molybdena, and Titania as Studied by Pyridine Adsorption.
Authors: KATAOKA T. , DUMESIC J. A.
Published: May 2016

Both Lewis and Bronsted sites are found to be present on the surfaces of V2O5 and MoO3, while TiO2 does not display significant Bronsted acidity.
ChemInform Abstract: Molecular Modeling of the Physical Properties of the Alkanes.
Authors: NEEDHAM D. E. , WEI I.‐C. , SEYBOLD P. G.
Published: May 2016

Eight physical properties (boiling points, molar volumes, molar refractions, heats of vaporization, surface tensions, melting points, critical temp., and critical pressures) of 74 normal and branched alkanes are examined by molecular modeling techniques.
ChemInform Abstract: An NMR Method for Distinguishing Classical from Nonclassical Structures in Transition‐Metal Polyhydrides.
Authors: HAMILTON D. G. , CRABTREE R. H.
Published: May 2016

A T1 method is described including variable‐temp.
ChemInform Abstract: X‐Ray Absorption Studies of Three‐Coordinate Dicopper(I) Complexes and Their Dioxygen Adducts.
Authors: BLACKBURN N. J. , STRANGE R. W. , FAROOQ A. , HAKA M. S. , KARLIN K. D.
Published: May 2016

X‐Ray absorption spectra of the dioxygen adducts (IV) and (V) and their dicopper(I) precursors as well as other related pyridyl containing complexes (VI)‐(VIII) of Cu(I) and Cu(II) are reported.
ChemInform Abstract: Hexachlorodimedone: Ring Opening and Intramolecular Substitution of Halogen. Preparation of γ,δ‐Diketoacids and Esters.
Authors: DE BUYCK L. , DE POOTER H. , SCHAMP N.
Published: May 2016

The title compound (I) is cleaved by a weak base in methanol and aqueous organic solvent to give the products (III) and (VII), respectively.
ChemInform Abstract: Additions of Singlet Oxygen to Alkoxy‐Substituted Dienes. The Mechanism of the Singlet Oxygen 1,2‐Cycloaddition Reaction.
Authors: CLENNAN E. L. , NAGRABA K.
Published: May 2016

The reaction of singlet oxygen with the isomeric dimethoxybutadienes (I) is investigated under various conditions (solvent, temp.); one example is given in the scheme.
ChemInform Abstract: Reaction of Furfural and Its Diethyl Acetal with Alkyl Diazoacetates and Dimethyl Diazomalonate in the Presence of Boron Trifluoride Etherate or Rhodium Acetate.
Authors: SALTYKOVA L. E. , VASIL'VITSKII A. E. , SHOSTAKOVSKII V. M. , NEFEDOV O. M.
Published: May 2016

The furfural acetal (I) reacts with the diazoacetate (II) in the presence of boron trifluoride etherate to give the insertion product (III).
ChemInform Abstract: Rearrangement of Isoxazoline‐5‐spiro Derivatives. Part 2. Synthesis and Rearrangement of Tetrahydroisoxazole‐5‐spirocyclopropanes. Preparation of Precursors of Quinolizine, Isoquinoline, and Indole Alkaloids.
Authors: BRANDI A. , GARRO S. , GUARNA A. , GOTI A. , CORDERO F. , DE SARLO F.
Published: May 2016

The 1,3‐dipolar cycloaddition reaction of the nitrones (I) with methylenecyclopropane (II) yields mixtures of the regioisomeric isoxazolines (III) and (IV).
ChemInform Abstract: Reaction of 2‐(1‐Amino‐2‐naphthyl)benzimidazole with Aldehydes.
Authors: PADMAJA J. , REDDY M. S. , RATNAM C. V.
Published: May 2016

When the reaction of the title compound (II) with the aldehydes (Ia) is carried out in methanol, the intermediate monoanils (III) can be isolated.
ChemInform Abstract: Synthesis of a Novel Thiadiazacyclazine.
Authors: SELBY T. B.
Published: May 2016

The tricyclic compound (I) is converted into the dichlorothiadiazacyclazine (II) by refluxing in phosphorus oxychloride.
ChemInform Abstract: Photocycloaddition Reaction of Some Conjugated Hexatriynes with 2,3‐Dimethyl‐2‐butene.
Authors: SHIM S. C. , LEE T. S.
Published: May 2016

Photolysis of the hexatriynes (I) in 2,3‐dimethyl‐2‐butene (II) yields the photoadducts (III) and (IV).
ChemInform Abstract: Oxomanganese(IV) Porphyrins Identified by Resonance Raman and IR Spectroscopy: Weak Bonds and the Stability of the Half‐Filled t2g Subshell.
Authors: CZERNUSZEWICZ R. S. , SU Y. O. , STERN M. K. , MACOR K. A. , KIM D. , GROVES J. T. , SPIRO T. G.
Published: May 2016

The oxo‐Mn(IV) complexes (II) are prepared by electrooxidation of (I) in MeCN containing (NBu4)OH.
ChemInform Abstract: Regioselective Synthesis of Isoquinuclidin‐6‐ones. Synthesis of an Ibogamine Intermediate.
Authors: KROW G. R. , SHAW D. A. , LYNCH B. , LESTER W. , SZCZEPANSKI S. W. , RAGHAVACHARI R. , DEROME A. E.
Published: May 2016

The dehydroisoquinuclidines (I) react consecutively with phenyl selenenyl chloride (II) and DBU to form the vinylic selenides (III) which yield the isoquinuclidinones (IV) upon hydrolysis.
ChemInform Abstract: Erythromycin Series. Part 13. Synthesis and Structure Elucidation of 10‐Dihydro‐10‐deoxo‐11‐methyl‐11‐azaerythromycin A.
Authors: DJOKIC S. , KOBREHEL G. , LOPOTAR N. , KAMENAR B. , NAGL A. , MRVOS D.
Published: May 2016

The title compound (IV) can be obtained by Eschweiler‐Clarke methylation of the azaerythromycin derivative (I).
ChemInform Abstract: 1,1,2‐Trifluoro‐1,3‐butadiene: A Convenient C4 Intermediate for Functionalized Monofluoroolefins.
Authors: MATSUO N. , KENDE A. S.
Published: May 2016

The regioselective methoxybromination of the trifluorobutadiene (II) mentioned in the title yields the Z‐butene (IV) which is converted to the ester (V) upon hydrolysis.
ChemInform Abstract: Cesium Tetrathiotungstate(VI). Matrix Isolation and Mass Spectrometric Studies of a Ternary Sulfide which is Stable in the Vapor.
Authors: BEATTIE I. R. , JONES P. J. , WILLSON A. D. , YOUNG N. A.
Published: May 2016

The vapor above Cs2WS4, which can be sublimed at ≈ 800 °C at 10‐5 torr, is examined using a quadrupole mass spectrometer.
ChemInform Abstract: Matrix Reactions of Oxygen Atoms with P4. Infrared Spectra of P4O, P2O, PO, and PO2.
Authors: ANDREWS L. , WITHNALL R.
Published: May 2016

Oxygen atoms produced in situ by ozone photolysis and discharge of oxygen molecules are reacted with P4 molecules and the products are trapped in solid argon at 12 K. The major product P4O (I) is characterized by a strong terminal P=O stretching mode (1241 cm‐1), a P‐P=O deformation mode (243 cm‐1), and four P‐P stretching modes near P4 values.
ChemInform Abstract: Laser‐Induced Fluorescence, Far‐Infrared Spectroscopy, and Luminescence Quenching of Europium Zeolite Y: Site‐Selective Probes of Extraframework Cations.
Authors: BAKER M. D. , OLKEN M. M. , OZIN G. A.
Published: May 2016

The FIR and laser induced fluorescence spectra of ion‐exchanged, dehydrated europium zeolite Y indicate that Eu3+ is located at three major sites.
ChemInform Abstract: Ozone Generation in the 214‐nm Photolysis of Oxygen at 25 °C
Authors: HOROWITZ A. , VON HELDEN G. , SCHNEIDER W. , SIMON F. G. , CRUTZEN P. J. , MOORTGAT G. K.
Published: May 2016

is studied at pressures in the range 380‐1300 torr.
ChemInform Abstract: Antimony‐Doped Rutile Titanium(IV) Oxide
Authors: BERRY F. J. , GOGARTY P. M.
Published: May 2016

formed by calcination of precipitates (acidic TiCl4/SbCl5 solution containing 10‐90% Sb, precipitation with NH3) at 900‐1200 °C are studied by XRD, electron microscopy, 121Sb Moessbauer spectroscopy, TG, TPR, and XPS.
ChemInform Abstract: Formation and Transformation of 3 TeO2·Nb2O5.
Authors: YAMAGUCHI O. , SHIRAI T. , MUKAIDA Y. , SHIMIZU K.
Published: May 2016

The title compound, which formerly has been formulated as 4 TeO2·Nb2O5, is shown to be a metastable modification of 3 TeO2·Nb2O5.
ChemInform Abstract: Organic Ligand‐Receptor Interactions Between Cucurbituril and Alkylammonium Ions.
Authors: MOCK W. L. , SHIH N.‐Y.
Published: May 2016

Experimental binding energies for 24 ammonium ion ligands, derived from amines of type (I), for the synthetic receptor cucurbituril (a novel nonadecacyclic cage compound formed by acid‐catalyzed condensation of urea, glyoxal, and HCHO) are adjusted for ligand solvation and then are factored by regression analysis into contributions from various fragments of the ligands in their inclusion complexes.