bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: New Halogenated Succinylfluorescein Dyes. Synthesis and Evaluation as Singlet Oxygen Photosensitizers of Their Free and Polymer‐Bound Forms.
Authors: MARTINEZ‐UTRILLA R. , MARTIN M. E. , AMAT‐GUERRI F. , SASTRE R. , BOTIJA J. M.
Published: May 2016

The degree of iodination of succinylfluorescein (I) depends on the reaction time.
ChemInform Abstract: A Convenient Reduction of Alkylated Tosylmethyl Isocyanides: Applications for the Synthesis of Natural Products.
Authors: YADAV J. S. , REDDY P. S. , JOSHI B. V.
Published: May 2016

Tosylmethyl isocyanide (I) is converted into its monoalkylation products (III), which undergo reduction to the corresponding hydrocarbons (IV).
ChemInform Abstract: Growth of Pb1‐xYbxTe (0 ≤ x ≤ 0.25) Thin Films.
Authors: DAS S. K. , SURYANARAYANAN R. , ROMMELUERE M.
Published: May 2016

Thin films of the title composition can be grown on Vycor and NaCl subtrates by co‐evaporation of PbTe, Yb, and Te.
ChemInform Abstract: Solubility of Hydrogen in Pd2Er5, Pd2Er3, PdEr, Pd4Er3, and Pd3Er: Thermodynamics of Pd‐Er‐H Systems.
Authors: RAMAPRABHU S. , WEISS A.
Published: May 2016

The solubility of hydrogen in the title alloys are determined by the pressure reduction method in the ranges 1‐1000 mbar and 473‐1148 K because of the potential application of these intermetallics as hydrogen diffusion membranes.
ChemInform Abstract: Molecular Analogues of Surface Species. Part 2. A Theoretical Study of Molybdenum Carbonyl Thiophene Complexes: Organometallic Models for the Chemisorption of Thiophene.
Authors: RUETTE F. , VALENCIA N. , SANCHEZ‐DELGADO R.
Published: May 2016

Molecular orbital calculations on the interaction of Mo carbonyl fragments with thiophene suggest that formation of the hitherto unknown complexes (I) and (II) is possible.
ChemInform Abstract: Polymeric Thiolate Complexes in Solution. Solution Equilibria Studies of the Cadmium(II) Complexes of 3‐(Dimethylamino)‐1‐propanethiol and Comparative Study with Other Aliphatic γ‐Mercapto Amines.
Authors: GONZALEZ‐DUARTE P. , VIVES J.
Published: May 2016

The stoichiometry and formation constants of soluble species found in a wide pH range and over a range of total concentrations are determined.
ChemInform Abstract: A Novel Course During the Thermolysis of Dimethyl Diselenide.
Authors: OSTROUKHOVA L. A. , KORCHEVIN N. A. , DERYAGINA E. N. , VORONKOV M. G.
Published: May 2016

Vapor‐phase thermolysis of dimethyl diselenide (I) produces carbon diselenide (II), together with small amounts of selenophene (III).
ChemInform Abstract: The Chemistry of Vicinal Tricarbonyls. A Stable Vinyl Tricarbonyl Hydrate (IV) as a Di‐ and Trielectrophile.
Authors: WASSERMAN H. H. , FUKUYAMA J. , MURUGESAN N. , VAN DUZER J. , LOMBARDO L. , ROTELLO V. , MCCARTHY K.
Published: May 2016

The utility of the title compound (IV) prepared by two routes is illustrated by a few examples (see scheme; no further details given).
ChemInform Abstract: A New Synthesis of Substituted Azulenes.
Authors: BECKER D. A. , DANHEISER R. L.
Published: May 2016

In the presence of methyltrimethoxysilane as acid scavenger, reaction of the tropylium salt (I) with the allenes (II) offers a general method for the synthesis of at the five‐membered ring substituted azulenes (III).
ChemInform Abstract: Oxybromination Catalyzed by the Heteropolyanion Compound H5PMo10V2O40 in an Organic Medium: Selective para‐Bromination of Phenol.
Authors: NEUMANN R. , ASSAEL I.
Published: May 2016

Treatment of the aromatic compounds (I), (III), and (VI) with bromine and air in the presence of a heteropolyanion catalyst results in monohalogenation, producing the aryl bromides (II), (IV) and (V), or (VII).
ChemInform Abstract: Preparation of Solid Thianthrene Cation Radical Tetrafluoroborate.
Authors: BODUSZEK B. , SHINE H. J.
Published: May 2016

Thianthrene (I) reacts with nitrosonium tetrafluoroborate (II) to give the radical cation salt (III) mentioned in the title.
ChemInform Abstract: α‐Hydroxyalkylphosphonic Acid Dichlorides. Synthesis, Spectroscopic Properties, and X‐Ray Analysis.
Authors: KARDANOV N. A. , TIMOFEEV A. M. , GODOVIKOV N. N. , CHERNEGA A. N. , ANTIPIN M. YU. , STRUCHKOV YU. T. , KABACHNIK M. I.
Published: May 2016

Phosphorus trichloride (I) reacts with the carbonyl compounds (II) in the presence of nucleophilic reagents (H2O, AcOH, H3PO3) to give the title compounds (III).
ChemInform Abstract: Synthesis of Selenium‐Containing Binaphthyls and Their Application to the Asymmetric Ring‐Opening of Cyclohexene Oxide.
Authors: TOMODA S. , IWAOKA M.
Published: May 2016

Reductive ring‐opening of cyclohexene oxide (IV) in the presence of the (R)‐selenobinaphthyls (I) ‐ (III) as chiral inducers, followed by benzoylation and elimination, predominantly give (R)‐ or (S)‐2‐cyclohexenyl benzoate (VI).
ChemInform Abstract: Direct Electrochemical Synthesis of Alkane‐ and Arenethiolato Derivatives of Indium and Thallium.
Authors: GREEN J. H. , KUMAR R. , SEUDEAL N. , TUCK D. G.
Published: May 2016

The electrochemical oxidation of anodic indium in MeCN solutions of thiols gives thiolato derivatives of In(I), In(II) or In(III) depending on the thiol and the experimental conditions.
ChemInform Abstract: Thermal Synthesis and Structural Characterization of Re(CO)3(PCy3)2, a Rhenium(0) Radical.
Authors: CROCKER L. S. , HEINEKEY D. M. , SCHULTE G. K.
Published: May 2016

The thermal decarbonylation product (II) from (I) is a suitable precursor for generating stable radicals such as the title compound (IV).
ChemInform Abstract: 72‐76 Valence Electron Clusters: An Extension of the 16‐18 Electron Rule. Synthesis, Crystal Structure, and Solution Dynamics of the Trigonal‐Bipyramidal Pentanuclear Clusters (PtIr4(CO)9(μ‐CO)5)2‐ and (PtIr4(CO)9(μ‐CO)3)2‐.
Authors: FUMAGALLI A. , DELLA PERGOLA R. , BONACINA F. , GARLASCHELLI L. , MORET M. , SIRONI A.
Published: May 2016

The 76 valence electron cluster anion (IV) is obtained by the reductive carbonylation of a mixture of Na2PtCl6 (I) and hydrated IrCl3 (II) or Ir4(CO)12 and can be isolated as its PPN salt (IV), its NBu4 salt (yield 93%), and as the salt of several other cations.
ChemInform Abstract: Preparation of New Terpenyl β‐D‐Glucopyranosides by a Modified Koenigs‐Knorr Procedure.
Authors: ACKERMANN I. E. , BANTHORPE D. V. , FORDHAM W. D. , KINDER J. P. , POOTS I.
Published: May 2016

Ten new hemi‐ and monoterpenyl β‐D‐glucopyranosides are prepared by a modification of the Koenigs‐Knorr procedure utilizing silver fluoroacetate as a soluble catalyst coupled with the introduction of a basic ion‐exchange resin to effect the deacetylation step.
ChemInform Abstract: A Convenient Method for S‐Glycosidic Bond Formation. Synthesis of p‐Iodophenyl 4′‐Thiomaltotrioside and Its 2′′,3′′‐Unsaturated Analogue.
Authors: BLANC‐MUESSER M. , DRIGUEZ H.
Published: May 2016

The title compounds (IV) and (VIII) are prepared as shown, including the selective S‐deacetylation method A).
ChemInform Abstract: Synthesis of Compounds with Juvenile Hormone Activity. Part 27. Synthesis of Enantiomerically Pure (10R,11S)‐(+)‐Juvenile Hormone 0.
Authors: MORI K. , FUJIWHARA M.
Published: May 2016

An improved method for the construction of a trisubstituted double bond is tested for some model compounds and applied to the synthesis of the title compound (V).
ChemInform Abstract: Powder Processing Science and Technology for Increased Reliability
Authors: LANGE F. F.
Published: May 2016

Review: (new approaches and thinking leading to the increased reliability of ceramics processed with powders; 54 refs.
ChemInform Abstract: Surface‐Enhanced Raman Scattering of Methoxybenzonitriles in Silver Sol.
Authors: BOO D. W. , KIM M. S. , KIM K.
Published: May 2016

The title spectral investigation shows that the nitrogen lone pair causes the adsorption of the nitriles (I) to the silver surface.
ChemInform Abstract: Dithiosquarato Cuprate and the Dithiosquarato Palladate Ions: Single Crystal ESR Study and Crystallographic Investigations.
Authors: ARRIZABALAGA PH. , BERNADINELLI G. , GEOFFROY M. , CASTAN P.
Published: May 2016

The crystal structure of the Pd complex (Ia) (space group P21/n, Z=4) is determined and the single crystal ESR study of the bis(dithiosquarato)‐Cu(II) ion is performed in (Ib) and in doped (Ia).
ChemInform Abstract: The Arene Oxide‐Oxepine Valence Isomerization: A Dynamic NMR Investigation Using a Prochiral Substituent.
Authors: JENNINGS W. B. , RUTHERFORD M. , BOYD D. R. , AGARWAL S. K. , SHARMA N. D.
Published: May 2016

1H NMR data of the unstable naphthalene 1,2‐oxide (V) at ambient temp. indicate a high barrier to enantiomerization via the oxepin valence isomer.
ChemInform Abstract: A Nonconcerted Intramolecular Diels‐Alder Reaction of Chiral Allenic Acid Derivatives.
Authors: TRIFONOV L. S. , ORAHOVATS A. S.
Published: May 2016

In the reaction between allenic acid (I) and carbodiimides (II), (IV) or ketenimine (VII) low diastereoselectivity and a partial loss of optical activity are observed.
ChemInform Abstract: Comparison of Photoinduced Electron Transfer Reactions of Aromatic Carbonyl vs. Cyano Compounds with Electron Donors in Condensed Phase. The Importance of the Spin State of the Geminate Ion Pair for Obtaining High Ion Yields.
Authors: HASELBACH E. , VAUTHEY E. , SUPPAN P.
Published: May 2016

Photoinduced charge separation is very efficient in systems of benzophenone (anthraquinone), 1,4‐diaza(2.2.2)bicyclooctane (N,N‐dimethylaniline), while it is inefficient when 9‐cyano‐ or 9,10‐dicyanoanthracene are used as acceptors.
ChemInform Abstract: Competition of Endoperoxide and Hydroperoxide Formation in the Reaction of Singlet Oxygen with Cyclic, Conjugated Dienes. Part 1.
Authors: MATUSCH R. , SCHMIDT G.
Published: May 2016

Contrary to previous reports the sensitized photooxygenation of phellandrene (I) does not give only (II) and (III) but all the 1O2 ene products (IV)‐(VI) as well, besides p‐cymene (VII) as a decomposition product (especially from (VI)).
ChemInform Abstract: Palladium‐Catalyzed Inter‐ and Intramolecular Cross‐Coupling Reactions of B‐Alkyl‐9‐borabicyclo(3.3.1)nonane Derivatives with 1‐Halo‐1‐alkenes or Haloarenes. Syntheses of Functionalized Alkenes, Arenes, and Cycloalkenes via a Hydroboration‐Coupling Sequence.
Authors: MIYAURA N. , ISHIYAMA T. , SASAKI H. , ISHIKAWA M. , SATOH M. , SUZUKI A.
Published: May 2016

Hydroboration of the alkene (I) leads to the borabicyclononane (III), which undergoes cross‐coupling with the haloalkenes (VI) or (VII) to yield the trienes (IV) or (V) with defined stereochemistry.
ChemInform Abstract: Preparation and Kinetics of the Hydrolysis of Trichloromethyl Esters.
Authors: EURANTO E. K. , KANERVA L. T.
Published: May 2016

The trifluoroacetate (II) is available by photochlorination of (I) in two steps, the reaction being accompanied by polymerization.
ChemInform Abstract: Reactions of Organic Anions. Part 160. Synthesis of Heptafulvene Derivatives by Vicarious Nucleophilic Substitution of Hydrogen in Tropylium Tetrafluoroborate.
Authors: OSTROWSKI S. , MAKOSZA M.
Published: May 2016

The vicarious nucleophilic substitution is characterized by 3 reaction steps: the nucleophilic attack of a carbanion, an elimination and a protonation step.
ChemInform Abstract: A New Approach Towards Dodecahedrane. Short, Simple Design of Quinane ′Roofed′ Polyquinanes.
Authors: MEHTA G. , REDDY K. R.
Published: May 2016

Starting with the cycloadducts (III) and (IV) of norbornenobenzoquinone (I) and cyclopentadiene (II), various cage compounds are prepared by photolysis and thermolysis and subsequent reactions.
ChemInform Abstract: Synthesis and Selective Reduction of New Sterically Hindered Nitrophenyl Azides.
Authors: ESWARAN S. V. , SAJADIAN S. K.
Published: May 2016

The p‐dinitrobenzenes (III) undergo substitution of one nitro group with sodium azide (IV) to give the 4‐nitro azides (V) which are reduced with thioglycolic acid, yielding the nitroanilines (VI).
ChemInform Abstract: Generation of Sulfur‐Functionalized Nitrile Oxide, (Phenylthio)acetonitrile Oxide, and Synthetic Applications.
Authors: KANEMASA S. , NORISUE Y. , SUGA H. , TSUGE O.
Published: May 2016

The isoxazolines (III) are prepared either from the oxime (I) or from the nitro compound (IV); in both cases the reaction involves cycloaddition between the alkenes (II) and the intermediately formed nitrile oxide 1,3‐dipole (V).
ChemInform Abstract: Synthesis and Properties of 5‐Amino‐1,2,3‐thiadiazole‐4‐carbothioamides.
Authors: DANKOVA E. F. , BAKULEV V. A. , KOLOBOV M. YU. , SHISHKINA V. I. , YASMAN YA. B. , LEBEDEV A. T.
Published: May 2016

Thionation of the thiadiazolecarbamides (III) or sulfhydrolysis of the nitriles (VI) gives mixtures of the isomeric carbothioamides (IV) and (V).
ChemInform Abstract: Substitution of a Nitro Group for a Formyl Group and Chlorine in 3,6‐Dinitro‐4‐chlorocoumarin During the Vilsmeier‐Haack Reaction.
Authors: MOZHAEVA T. YA. , SAMSONOVA O. L. , SAVEL'EV V. L.
Published: May 2016

Vilsmeier‐Haack reaction of the dinitrocoumarin (I) gives the products (III) and (IV).
ChemInform Abstract: An Efficient Regio‐ and Stereoselective Synthesis of Silyl Enol Ethers.
Authors: AHMAD S. , KHAN M. A. , IQBAL J.
Published: May 2016

The methyl ketones (I) react with chlorotrimethylsilane (II) in the presence of sodium bromide and triethylamine to yield the silyl enol ethers (III) ‐ (V) with predominance of the thermodynamically controlled products (III) or (IV).
ChemInform Abstract: Syntheses of Eight‐Membered Metallacycles with a M(NSN)2M‐Frame (M: Zr, Hf).
Authors: PLENIO H. , ROESKY H. W.
Published: May 2016

The thermally and air‐stable eight‐membered metallacycles (III) are prepared according to the scheme and characterized by IR, mass, and for (IIIb) by 1H NMR spectra.
ChemInform Abstract: Ferrocenophanes with Aromatic Thioester Bridges.
Authors: HERBERHOLD M. , DOERNHOEFER C. + , HAYEN H. I. , WRACKMEYER B.
Published: May 2016

Reaction of ferrocene‐1,1'‐dithiol (I) with terephthaloyl chloride (II) yields the ferrocenophane (III).
ChemInform Abstract: Synthesis of Acyclic Nucleosides of 2‐Thio‐pyrimidines and ‐purines Using a New Coupling Agent of Lithium Bromide.
Authors: KIM J. Y. , KIM Y. H.
Published: May 2016

The TFA/LiBr system is efficiently used in the synthesis of acyclic nucleosides of type (IV) and (VI).
ChemInform Abstract: Studies on the Molybdenum Cofactor. An Unequivocal Total Synthesis of (.+‐.)‐Urothione.
Authors: TAYLOR E. C. , REITER L. A.
Published: May 2016

The structure of urothione (X), the urinary metabolite of the molybdenum cofactor, is confirmed by its total synthesis from the mercaptan (II) and the pyrazine (III).
ChemInform Abstract: 13C and 1H NMR Shielding Effects in Aliphatic gauche/trans Fragments.
Authors: SCHNEIDER H.‐J. , BUCHHEIT U. , HOPPEN V. , SCHMIDT G.
Published: May 2016

On the basis of improved calculation models, of new NMR measurements with more than 30 bicyclo(2.2.1)heptyl and cyclohexyl compounds such as (I)‐(III), and of literature data it is shown that classical mechanisms of sterically induced charge polarizations, of linear electric field, and of anisotropy effects can account for many substituent‐induced shielding (SIS) differences.
ChemInform Abstract: On the Reactivity of 5(4H)‐Oxazolones with Amines.
Authors: BLASCO J. , CATIVIELA C. , DIAZ DE VILLEGAS M. D. , GARCIA J. I. , JAIME C. , MAYORAL J. A.
Published: May 2016

Heating of the oxazolones (I), (IV), (VI), and (VIII) with the amines (II) results in ring cleavage and substitution, yielding the carboxamides (III), (V), (VII), and (IX).
ChemInform Abstract: Intermolecular Heteroaromatic Nucleophilic Substitution Reaction via the Sulfur Ylide Rearrangement: C‐Attack vs. O‐Attack.
Authors: KAMETANI T. , KAWAMURA K. , AKAGI T. , FUJITA C. , HONDA T.
Published: May 2016

The heterocyclic methyl sulfides (I) are coupled with the dimethyl diazomalonate (II) in the presence of rhodium diacetate to give the sulfonium compounds (III) which undergo thermally induced rearrangement, forming the ketene acetals (IV).
ChemInform Abstract: An ESR Investigation of the Structure and Formation of Sulfinyl Radicals: Reaction of Peroxyl Radicals with Thiols.
Authors: SWARTS S. G. , BECKER D. , DEBOLT S. , SEVILLA M. D.
Published: May 2016

Matrix peroxyl radicals generated by irradiation of organic matrices in the presence of O2 react with added simple thiols (R‐SH; R: ‐Me, ‐Bu, ‐tBu) and the radio‐protective thiols cysteamine and dithiothreitol to form sulfinyl radicals R‐SO..
ChemInform Abstract: Synthesis of Ketones Starting from N‐Phenylimidothioesters via Ketenimine Intermediates.
Authors: EL‐JAZOULI M. , LAGE N. , MASSON S. , THUILLIER A.
Published: May 2016

1,4‐Addition of organo‐metal reagents to the title thioesters (I) and (IV) followed by thermal decomposition leads to ketenimine intermediates which are trapped in situ by organo‐lithium or magnesium compounds.
ChemInform Abstract: Thermal Rearrangements. Part 19. The Kinetics of the Thermal Isomerization of 1‐Ethynyl‐2,2,3,3‐tetramethylcyclopropane.
Authors: HOPF H. , WACHHOLZ G. , WALSH R. , DE MEIJERE A. , TEICHMANN S.
Published: May 2016

Although the desired title compound (V) can be directly prepared from (I) with 3 equiv. BuLi (yield 13% pure) better yields are obtained via the reaction sequence shown in the scheme.
ChemInform Abstract: Condensation of Some Aromatic Aldehydes with Dimethyl Sulfone.
Authors: SELVARAJ S. , DHANABALAN A. , PERUMAL S. , ARUMUGAM N.
Published: May 2016

Cyclocondensation of dimethyl sulfone (I) with the aromatic aldehydes (II) produces the diaryloxathiins (III).
ChemInform Abstract: Kinetics and Mechanism of the Thermal Decomposition of (E)‐ and (Z)‐1,1,2,3‐Tetramethylsiletane.
Authors: CONLIN R. T. , NAMAVARI M. , CHICKOS J. S. , WALSH R.
Published: May 2016

The title compounds (IV) and (V), when pyrolyzed separately at 398 °C, provide the same products.
ChemInform Abstract: Preparation and X‐Ray Structure of (Cp2Zr(μ‐I))2. A Thermally Unstable Zirconium(III) Complex.
Authors: WIELSTRA Y. , GAMBAROTTA S. , MEETSMA A. , DE BOER J. L.
Published: May 2016

The comproportionation reaction between the Zr(IV) compound (I) and the Zr(II) complex (II) leads to a mixture of the binuclear η5:η5‐fulvalen complex (IV) and the iodo‐bridged title complex (III) which are isolated in pure form.
ChemInform Abstract: Photoreaction of Hexacarbonylbis(η5‐methylcyclopentadienyl)ditungsten with Conjugated Dienes.
Authors: KREITER C. G. , WENDT G. , KAUB J.
Published: May 2016

Depending on the structure of the dienes, the photochemical reaction of the title compound (I) with the 1,3‐butadienes (II) and (V) gives the products (III) (space group: P1; Z=2) and (VI).
ChemInform Abstract: Synthesis and Spectral Characterization of a Series of Iron and Ruthenium Benzylidene Complexes, Cp(CO)(L)M=CH(C6H4R)+ (M: Fe, Ru; L: CO, PPh3; R: p‐H, p‐F, p‐CH3, p‐OCH3). Barriers to Aryl Rotation and Benzylidene Transfer Reactions.
Authors: BROOKHART M. , STUDABAKER W. B. , HUMPHREY M. B. , HUSK G. R.
Published: May 2016

The α‐ether dicarbonyl‐Fe complexes (V) are synthesized according to the scheme and converted into their PPh3 derivatives (VII) from which exist only one diastereomer.
ChemInform Abstract: Versatile Behavior of Hydrido Monometallic or Heterobimetallic Carbonyl Anions Toward Dichlorophosphines and 1,1‐Dichlorodiphosphines.
Authors: WESTERMANN H. , NIEGER M. , NIECKE E. , MAJORAL J.‐P. , CAMINADE A.‐M. , MATHIEU R. , IRMER E.
Published: May 2016

The reactivity of the diphosphine (I) toward the hydridocarbonylmetalates (II) and (IV) is investigated.
ChemInform Abstract: Transition‐Metal Silyl Complexes. Part 27. Silyl‐Substituted Heteromultinuclear Complexes by Reaction of the Anionic Silyl Complexes (MeCpMn(CO)2SiR3)‐ and (Fe(CO)3(PPh3)SiR3)‐ with Dihalides of Zinc, Cadmium, or Mercury.
Authors: KUNZ E. , SCHUBERT U.
Published: May 2016

The anionic silyl complexes (I) and (V) react with equimolar amounts of ZnCl2, CdCl2, or HgBr2 (II) to give the dinuclear complexes (III) and (VI); the Fe‐Zn complex is unstable.
ChemInform Abstract: Polynuclear Iron and Rhodium Complexes of 7‐Oxa(2.2.1)hericene (2,3,5,6‐Tetramethylidenebicyclo(2.2.1)heptan‐7‐one).
Authors: RUBELLO A. , VOGEL P.
Published: May 2016

The reaction of the title ligand (II) with the triruthenium cluster (I) and cyclooctene‐Fe tricarbonyl as well as Fe2(CO)9 lead to the di‐ and tetranuclear complexes (III) and (IVa), and to the isomeric dinuclear Fe complexes (VIIb) and (IVc).
ChemInform Abstract: The 9‐Anthroate Chromophore as a Fluorescent Probe for Water.
Authors: MACANITA A. L. , COSTA F. P. , COSTA S. M. B. , MELO E. C. , SANTOS H.
Published: May 2016

Water quenches the fluorescence of methyl 9‐anthroate with a rate constant showing little dependence on solvent viscosity or polarity.
ChemInform Abstract: On the α‐NaFeO2 Type: On KPrO2.
Authors: WOLF R. , HOPPE R.
Published: May 2016

Single crystals of the title compound are obtained for the first time by annealing K2PrO3 at 1000 °C (not perfectly closed Ni tubes, 4 weeks).
ChemInform Abstract: Application of Anisotropic Graphite to Sealed Lead‐Acid Batteries.
Authors: TOKUNAGA A. , TSUBOTA M. , YONEZU K.
Published: May 2016

It is demonstrated that the addition of anisotropic graphite to pasted‐type lead‐acid batteries improves the discharge performance, particularly at high discharge rates and at low temperatures.
ChemInform Abstract: Vanadium‐Molybdenum Oxides and Their P2O5 Glasses as Intercalation Cathodes for Rechargeable Lithium Cells.
Authors: UCHIYAMA M. , SLANE S. , PLICHTA E. , SALOMON M.
Published: May 2016

The mixed oxides (V0.7Mo0.3)2O5 (I) and V9Mo6O40 (II) and their P2O5 glasses are synthesized and the performance of these materials in rechargeable Li cells with a LiAsF6/methyl formate electrolyte is compared with that of V2O5.
ChemInform Abstract: Experiments About the Mixed Crystal Formation Between Zincoxotantalates and ‐antimonates: ZnTa2‐xSbxO6 and Zn4Ta2‐xSbxO9.
Authors: HALLE G. , MUELLER‐BUSCHBAUM HK. +
Published: May 2016

Two novel phases, ZnTa1.8Sb0.2O6 (I) and Zn4Ta1.2Sb0.8O9 (II), obtained by high‐temp.
ChemInform Abstract: Highly Polydentate Ligands. Part 4. Crystal Structures of Neodymium(III) and Erbium(III) Complexes of 3,12‐Bis(carboxymethyl)‐6,9‐dioxa‐3,12‐diazatetradecanedioate(4‐).
Authors: SCHAUER C. K. , ANDERSON O. P.
Published: May 2016

The structures of Ca salts of the Er and Nd chelates of the calcium‐selective octadentate title ligand are determined, in order to identify the structural changes occurring in a calcium‐selective binding site when lanthanoids are substituted for Ca.
ChemInform Abstract: Hexaisopropoxyditungsten and Dodecaisopropoxytetratungsten: W2(O‐iPr)6 and W4(O‐iPr)12. Part 2. Studies of Cluster Dynamics and the Equilibrium Between the 12‐Electron Cluster and Two Metal‐Metal Triple Bonds. A Symmetry‐Allowed (π2 s + π2 s) Cycloaddition Reaction and Comparisons with the Chemistry of Cyclobutadiene.
Authors: CHISHOLM M. H. , CLARK D. L. , HAMPDEN‐SMITH M. J.
Published: May 2016

The dynamic behavior and the interconversion of the 12‐electron cluster (I) and the metal‐metal triply bonded compound (II) are investigated.
ChemInform Abstract: Pyrones as Substrates for Palladium‐Catalyzed (4 + 3) Cycloadditions.
Authors: TROST B. M. , SCHNEIDER S.
Published: May 2016

Whereas the ester (I) reacts with the acetate (II) under the conditions A) to give a mixture of the (2 + 3) cycloadduct (III) and the (4 + 3) cycloadduct (IV), the reaction of the pyrone (V) with (II) yields the (2 + 3) cycloadduct (VI).
ChemInform Abstract: A Mechanistic Study of the Photochemistry of Fe(CO)3(R‐DAB) (R‐DAB: 1,4‐Diaza‐1,3‐butadiene), a Unique Group of Complexes with Two Close‐Lying Reactive Excited States.
Authors: VAN DIJK H. K. , STUFKENS D. J. , OSKAM A.
Published: May 2016

Flash photolysis studies are carried out to discriminate between the mechanisms of the photosubstitution of the complexes (I).
ChemInform Abstract: Rapid Intramolecular Addition Reactions of Triplet Arylcarbenes.
Authors: HOEMBERGER G. + , DORIGO A. E. , KIRMSE W. , HOUK K. N.
Published: May 2016

Triplet arylcarbenes generated from (E)‐(I) by benzophenone‐sensitized photolysis react preferentially intramolecularly to give cyclopropanes (III) and (IV).
ChemInform Abstract: Synthesis of Highly Alkylated Functionalized Cyclopentadienes.
Authors: KOSCHINSKY R. , KOEHLI T.‐P. + , MAYR H.
Published: May 2016

The allylic chlorides (I) and (V) undergo cyclocondensation with acetylacetone (II) in the presence of ZnCl2, forming the cyclopentadienes (III) or (VI).
ChemInform Abstract: Biomimetic Ion Transport: A Functional Model of a Unimolecular Ion Channel.
Authors: CARMICHAEL V. E. , DUTTON P. J. , FYLES T. M. , JAMES T. D. , SWAN J. A. , ZOJAJI M.
Published: May 2016

A mixture of the regio‐ and stereoisomers of the macrocycle (VII) and its analogues obtained from (V) and (VIII) (instead of (IV)) is used to form a unimolecular ion channel.
ChemInform Abstract: Lactone Synthesis by α,ω‐Diols with Hydrogen Peroxide Catalyzed by Heteropoly Acids Combined with Cetylpyridinium Chloride.
Authors: ISHII Y. , YOSHIDA T. , YAMAWAKI K. , OGAWA M.
Published: May 2016

Oxidative lactonization of the α,ω‐diols (I), (III), and (VI) is accomplished using hydrogen peroxide in the presence of tris(cetylpyridinium)‐12‐tungstophosphate as a catalyst.
ChemInform Abstract: Asymmetric Reduction of Acylstannanes. Preparation of Enantiomerically Enriched α‐Alkoxystannanes.
Authors: CHAN P. C.‐M. , CHONG J. M.
Published: May 2016

Asymmetric reduction of the acylstannenes (V) is performed with the optically active lithium aluminum hydrides (IV).
ChemInform Abstract: Halogen, Hydride, and Alkyl Carbonyl‐Monocyclopentadienyl Niobium Derivatives. Crystal and Molecular Structure of (Nb(η‐C5H5)Cl(H)(CO)(PMe3)2).
Authors: JALON F. A. , OTERO A. , ROYO P. , BALCAZAR J. L. , FLORENCIO F. , GARCIA‐BLANCO S.
Published: May 2016

The reduction of the complexes (I) with sodium amalgam yields the products (II) which serve as starting materials for new halogen, hydride, and alkyl Nb(I)‐ and Nb(III) derivatives.
ChemInform Abstract: Synthesis and Spectroscopic Characteristics of Bis‐(dimethyl(phenyl)silylmethyl)platinum(II) Complexes with Nitrogen Donor Ligands.
Authors: ANKIANIEC B. C. , YOUNG G. B.
Published: May 2016

By the displacement of the diolefin from corresponding cod or norbornadiene complexes the title compounds (I) are prepared.
ChemInform Abstract: Synthetic Photochemistry. Part 44. Total Synthesis of Ceroplastol II and Albolic Acid, 5‐8‐5‐Membered Tricyclic Sesterterpenoid Insect Wax Constituents, via Stereocontrolled Silyloxy‐Cope Rearrangement with a Normally Disfavored Transition State.
Authors: KATO N. , TAKESHITA H. , KATAOKA H. , OHBUCHI S. , TANAKA S.
Published: May 2016

The total syntheses of ceroplastol II (XII) and albolic acid (XIII) are accomplished for the first time.
ChemInform Abstract: Mild Conditions for the Removal of Acid‐Labile Protective Groups.
Authors: MYERS A. G. , FUNDY M. A. M. , LINDSTROM P. A. JUN.
Published: May 2016

Some acid‐labile protecting groups such as dimethyl acetals, e.g. in compound (I), tetrahydropyranyl ethers, or trityl ethers are cleaved upon treatment with hydrogen peroxide and trichloroacetic acid.
ChemInform Abstract: An Efficient Route to Homologated Pyranosidic Conjugated Enals.
Authors: BURNOUF C. , LOPEZ J. C. , DE LOS A. LABORDE M. , OLESKER A. , LUKACS G.
Published: May 2016

Various transformations of pyranosides are described, forming the homologous enals which are useful in hetero Diels‐Alder cycloadditions for the synthesis of C‐glycosides.
ChemInform Abstract: Antibiotics from Gliding Bacteria. Part 37. Sorangicin A, a Highly Active Antibiotic with Novel Macrolide‐Polyether Structure from Sorangium cellulosum, So ce12: Spectroscopic Structure Elucidation, Crystal and Solution Structure.
Authors: JANSEN R. , IRSCHIK H. , REICHENBACH H. , SCHOMBURG D. , WRAY V. , HOEFLE G. +
Published: May 2016

The structure of the title antibiotic (I) (space group P21 with Z=2) is predominantly elucidated by NMR methods.
ChemInform Abstract: Hexagonal High Pressure Phase of Copper(I)tetraiodomercurate (Cu2HgI4).
Authors: MIKLER H.
Published: May 2016

β‐Cu2HgI4 is transformed to a new hexagonal high presssure phase when treated with pressures up to 8 GPa in a high pressure X‐ray camera at 20 °C. The new phase crystallizes in the space group P31m with Z=1.
ChemInform Abstract: Ab initio Studies on Silicon Compounds. Part 2. On the Gauche Structure of the Parent Polysilane.
Authors: TERAMAE H. , TAKEDA K.
Published: May 2016

Studies of the electronic structure of the parent polysilanes with trans and gauche conformations employing the ab initio Hartree‐Fock crystal orbital method with standard STO‐3G and DZ basis sets show the trans conformer to be more stable by 0.15 kcal/mol per SiH2 unit.
ChemInform Abstract: Achievement of Incident Photon to Electric Current Conversion Yields Exceeding 80% in the Spectral Sensitization of Titanium Dioxide by Coumarin.
Authors: ENEA O. , MOSER J. , GRAETZEL M. +
Published: May 2016

The laser dye coumarin 343 (I) displays an extraordinarily high efficiency in the spectral sensitization of "fractal"‐type anatase films.
ChemInform Abstract: Thermal Behavior of the Hydrogen Sulfates of Magnesium, Calcium, Strontium, and Barium.
Authors: KEMNITZ E. , HASS D. , FEIST M. , WORZALA H. , MENZ D. , BAEKER CH.
Published: May 2016

From the DTA and TG curves it is concluded that the solvent‐free hydrogensulfates of the alkaline‐earth metals thermally decompose according to the scheme.
ChemInform Abstract: Cycloadditions in Syntheses. Part 37. Syntheses of 6‐Trifluoromethyl‐1,2,4‐triazines and ‐1,2,4‐triazin‐5‐ones and Their Pericyclic Reactions with Olefins.
Authors: KATAGIRI N. , WATANABE H. , KANEKO C.
Published: May 2016

Reaction of methyl trifluoropyruvate (I) with the benzamidrazones (II) leads to the formation of the triazinones (III).
ChemInform Abstract: Fragmentation of 1,1,3‐Triethoxypropanes Initiated by Boron Trifluoride.
Authors: PESAKHOVICH M. L. , SALITRA I. S. , NASYROV I. M.
Published: May 2016

In the presence of a Lewis acid such as BF3 the reaction between the title compounds (I) and the dithiol (II) proceeds via fragmentation of the C(2)‐C(3) bond of (I) to give the benzodithiepin (III).
ChemInform Abstract: ortho‐Alkylation of Phenol by 2‐Hexene and 2‐Octene in the Presence of Aluminum Phenolate.
Authors: KOZLIKOVSKII YA. B. , KOSHCHII V. A. , OVSIYUK T. F.
Published: May 2016

The reaction between phenol (I) and 2‐hexene (IIa) or 2‐octene (IIb) is investigated in order to compare the reactivities of (II) with those of 1‐hexene or 1‐octene.
ChemInform Abstract: Reaction of Propiolic Acid with Thio Acids.
Authors: VOLKOV A. N. , VOLKOVA K. A.
Published: May 2016

In the absence of basic catalysts such as tBuOK, MeONa or piperidine, the reaction between thioglycolic acid (I) or thiolactic acid (IV) and propiolic acid (II) proceeds without cyclization to yield the trans adduct (III) or the cis adduct (V).
ChemInform Abstract: Syntheses and Biological Activity of 5‐(1,2‐Dihydro‐5‐acenaphthylenyl)‐4,5‐dihydro‐3‐phenyl‐1H‐pyrazole and 4‐((1,2‐Dihydro‐5‐acenaphthylenyl)azo)‐3,5‐dimethyl‐1H‐pyrazole and Related Systems.
Authors: HAVALDAR F. H. , FERNANDES P. S.
Published: May 2016

Condensation reaction of the dihydroacenaphthenecarbaldehyde (II) with acetophenone (I) and subsequent cyclization with the hydrazines (IV) yield the dihydropyrazoles (V).
ChemInform Abstract: Synthesis and Spectroscopic Properties of Furylpyridines, Pyrylium, and Pyridinium Salts.
Authors: NOVIKOV V. N. , TYMYANSKII YA. R. , FEIGEL'MAN V. M. , KNYAZHANSKII M. I.
Published: May 2016

Cyclization of the δ‐diketones (I) or coupling of benzalacetophenone (III) with the acetylfuran (IV) gives the pyrylium salts (II) and (V) which are transformed into the corresponding pyridines and N‐methylpyridinium perchlorates by common methods.
ChemInform Abstract: Quinolin‐4(1H)‐ones versus Azetidin‐2‐ones: Selectivity of Cyclization of 3‐Arylaminopropanoic Acids on Heating with Polyphosphoric Acid.
Authors: KAVRAKOVA I. , SIMOVA E. , KURTEV B.
Published: May 2016

PPA‐induced cyclization of the threo‐diphenylpropanoic acids (I) leads to the products (II)‐(V).
ChemInform Abstract: The Effect of Sulfur Dioxide on the Mannich Reactions of Phenols.
Authors: FAIRHURST R. A. , HEANEY H. , PAPAGEORGIOU G. , WILKINS R. F.
Published: May 2016

The aminomethylation of various phenols, e.g. (I) or (IX), is performed using the formaldehyde aminals (II) or O,N‐acetals such as (VII) or (VIII).
ChemInform Abstract: A Clover‐Leaf Nodal Compound.
Authors: DIETRICH‐BUCHECKER C. O. , SAUVAGE J.‐P.
Published: May 2016

The bis(phenanthroline) derivative (I) forms a double helical complex with (II) and subsequently condenses with (III).
ChemInform Abstract: Synthesis and Structure of 2,4,6,8‐Tetrakis(diisopropylamino)‐2,4,6,8‐tetrabora‐tricyclo‐(3.3.0.03,7)‐octane.
Authors: KRAEMER A. + , PRITZKOW H. , SIEBERT W.
Published: May 2016

(I) is catalytically dimerized to the tetraborocine (II), which thermally or photochemically (0 °C, 90% yield) rearranges to give the title compound (III).
ChemInform Abstract: Synthesis of α‐, γ‐Phosphorus Functionalized Alkyl Lithium Species; X‐Ray Structures of ((Li(L)(CH2PMeR))2) (L: NNN′N′‐tetramethylethylenediamine (tmen), R: Me or Ph; L: (‐)sparteine, R: Ph) and Cyclic (Li(tmen)(CH(SiMe3)C6H4PPh2‐o)).
Authors: BYRNE L. T. , ENGELHARDT L. M. , JACOBSEN G. E. , LEUNG W.‐P. , PAPASERGIO R. I. , RASTON C. L. , SKELTON B. W. , TWISS P. , WHITE A. H.
Published: May 2016

The title compounds (IV) are dimeric in the solid state, adopting either chair or boat conformation.
ChemInform Abstract: Novel Sponge‐Derived Amino Acids. Part 5. Structures, Stereochemistry, and Synthesis of Several New Heterocycles.
Authors: ADAMCZESKI M. , QUINOA E. , CREWS P.
Published: May 2016

The bengamides A (Ia), E (Ib), C (II) and their N‐methyl analogues, isobengamide E (III), the compounds (IV) and (V) and the known bengazoles (VI) are isolated from an undescribed Jaspidae sponge, which has been collected in the Benga lagoon of the Fiji Islands.
ChemInform Abstract: New Methods and Reagents in Organic Synthesis. Part 77. Efficient Total Synthesis of Didemnins A and B.
Authors: HAMADA Y. , KONDO Y. , SHIBATA M. , SHIOIRI T.
Published: May 2016

Reaction of the esters (VI) and (XII) with the corresponding amino acids and subsequent work‐up gives the synthons (VII) and (XIII), respectively.
ChemInform Abstract: Synthetic Studies on 1‐Carbacephem Antibiotics: New Synthetic Approach to 3H‐Carbacephems.
Authors: MOCHIDA K. , HIRATA T.
Published: May 2016

The aminomalonates (I) react with the dimethoxybutenal (II), forming the azabutadiene intermediate (III) which undergoes (2 + 2)cycloaddition with the ketene, derived from the acetyl chloride (IV), to give the β‐lactams (V).
ChemInform Abstract: Boron
Authors: GREATREX R.
Published: May 2016

Review: (134 refs.
ChemInform Abstract: Group IVA (C, Si, Ge, Sn, Pb) and Group VA (N, P, As, Sb, Bi) elements
Authors: HARRISON P. G.
Published: May 2016

Review: (207 refs.
ChemInform Abstract: Halogens (F, Cl, Br, I, At) and Noble Gases
Authors: THOMAS M. J. K.
Published: May 2016

Review: (123 refs.
ChemInform Abstract: Acyclic Stereoselection. Part 45. Synthesis of η1 Oxygen‐Bound Rhodium Enolates. Applications to Catalytic Aldol Chemistry.
Authors: SLOUGH G. A. , BERGMAN R. G. , HEATHCOCK C. H.
Published: May 2016

Oxygen‐bound rhodium enolate complexes (III) are prepared by metathesis of the Rh(I) halides (I) and potassium enolates (II).
ChemInform Abstract: Facile Synthesis of γ,δ‐Unsaturated β‐Azido Carbonyl Compounds via Successive Nucleophilic Additions on Cinnamaldehyde Dimethyl Acetal Catalyzed by Trityl Hexachloroantimonate.
Authors: MUKAIYAMA T. , LEON P. , KOBAYASHI S.
Published: May 2016

Cinnamaldehyde dimethyl acetal (I) reacts with the silyl enol ethers (II) in the presence of a catalytic amount of trityl hexachloroantimonate to give the intermediate compounds (III).
ChemInform Abstract: Asymmetric Oxidation of Sulfides, Catalyzed by Chloroperoxidase.
Authors: COLONNA S. , GAGGERO N. , MANFREDI A. , CASELLA L. , GULLOTTI M.
Published: May 2016

Oxidation of the sulfides (I) with tert‐butyl hydroperoxide in the presence of a heme protein catalyst yields the (R)‐sulfoxides (IIa) ‐(IId).
ChemInform Abstract: Perchlorocoronene: A Novel Host Precursor.
Authors: BAIRD T. , GALL J. H. , MACNICOL D. D. , MALLINSON P. R. , MICHIE C. R.
Published: May 2016

Chlorination of coronene (I) gives perchlorocoronene (II) which is substituted with the sodium arenethiolates (III), producing the dodecakis‐(arylthio)coronenes (IV).
ChemInform Abstract: Enantiospecific and Stereospecific Rhodium(I)‐Catalyzed Carbonylation and Ring Expansion of Aziridines. Asymmetric Synthesis of β‐Lactams and the Kinetic Resolution of Aziridines.
Authors: CALET S. , URSO F. , ALPER H.
Published: May 2016

Rh(I) complexes such as (Rh(CO)2Cl)2 catalyze the regiospecific ring expansion‐carbonylation reaction of aziridines (I) to β‐lactams (III).
ChemInform Abstract: Intramolecular Hydrogen Bond in 1‐Vinylpyrazole‐5‐carboxylates.
Authors: TSERUNYAN V. V. , ASRATYAN G. V. , DARBINYAN E. G.
Published: May 2016

Mercury‐catalyzed coupling of the pyrazolecarboxylates (I) with vinyl acetate (II) yields mixtures of the N‐vinyl derivatives (III) and (IV) which are separable by distillation.
ChemInform Abstract: Role Reversal in the Cyclocondensation of Cyclopentadiene with Heterodienophiles Derived from Arylamines and Aldehydes: Synthesis of Novel Tetrahydroquinolines.
Authors: GRIECO P. A. , BAHSAS A.
Published: May 2016

Benzylamine hydrochloride (I) reacts with formaldehyde (II) and cyclopentadiene (IV) to give the Diels‐Alder cycloadduct (V) via the intermediate iminium chloride (III).
ChemInform Abstract: Regiochemistry in Pd‐Catalyzed Organotin Reactions with Halopyrimidines.
Authors: SOLBERG J. , UNDHEIM K.
Published: May 2016

The preferences of different positions in the halogen replacements of pyrimidines such as (I), (IV), (VI), (VIII), or (XII) by Pd‐catalyzed reactions with the organotin compounds (II) are investigated and discussed.
ChemInform Abstract: Synthesis of 4‐Aryl‐3,5‐bis(alkoxycarbonyl)‐1,4‐dihydropyrazines.
Authors: CHORVAT R. J. , RORIG K. J.
Published: May 2016

In order to study compounds related to the cardiovascular active agent nifedipine, the 1,4‐dihydropyrazine (IX) is prepared.
ChemInform Abstract: Competitive Uncatalyzed Geometrical Isomerization and β‐Hydride Elimination of Alkyl Complexes of Platinum(II).
Authors: ALIBRANDI G. , CUSUMANO M. , MINNITI D. , MONSU SCOLARO L. , ROMEO R.
Published: May 2016

Rates and activation parameters for the spontaneous cis to trans isomerization of the monoalkyl complexes (I) giving (II) are measured.
ChemInform Abstract: The Total Syntheses of the Isodityrosine‐Derived Cyclic Tripeptides OF4949‐III and K‐13. Determination of the Absolute Configuration of K‐13.
Authors: EVANS D. A. , ELLMAN J. A.
Published: May 2016

The total syntheses of OF4949‐III (VII) and K‐13 (XI), both known to be enzyme inhibitors, are achieved via the common intermediate (IV).
ChemInform Abstract: Efficient and Versatile Synthesis of Dipeptide Isosteres Containing γ‐or δ‐Lactams.
Authors: ZYDOWSKY T. M. , DELLARIA J. F. JUN. , NELLANS H. N.
Published: May 2016

Alkylation of the oxazolidinone (I) with allyl bromide (III), followed by alkaline hydrolysis and esterification with diazomethane (IV), yields the ester (V) which is converted to the aldehyde (VI) by ozonolysis.
ChemInform Abstract: Phase Equilibria in the Ti‐Nb‐Ge System at 1170 K.
Authors: RUDOMETKINA M. V. , SEROPEGIN YU. D. , GRIBANOV A. V. , GUSEI L. S.
Published: May 2016

The phase diagram of the binary Ti‐Ge system is refined.
ChemInform Abstract: Acid Sites in Fluorinated Alumina.
Authors: BECKER K. A. , KOWALAK S.
Published: May 2016

Calorimetric data of the heat of ammonia adsorption are correlated with the results of catalytic tests for the reactions involving acid sites.
ChemInform Abstract: Synthesis and Characterization of the Layered Metal TlCu2S2.
Authors: BERGER R.
Published: May 2016

The title compound (VI), obtained by the three‐step procedure outlined in the scheme, crystallizes in the tetragonal system, space group I4/mmm.
ChemInform Abstract: Selective Oxidations of Olefins Catalyzed by Platinum(II) Complexes. Use of tert.‐Butyl Hydroperoxide and Potassium Caroate as Oxidants: Ketone vs Epoxide Formation.
Authors: STRUKUL G. , SINIGALIA R. , ZANARDO A. , PINNA F. , MICHELIN R. A.
Published: May 2016

Four low‐cost oxidants are tested in the oxidation of olefins (such as 1‐octene, styrene) catalyzed by either (cis‐PtL(CF3)(CH2Cl2))BF4 or cis‐PtL(CF3)(OH) (L: cis‐Ph2P‐CH=CH‐PPh2) under mild conditions.
ChemInform Abstract: α‐Hydroxylation of Carboxylic Acids and Amides Using Bis(trimethylsilyl) Peroxide.
Authors: POHMAKOTR M. , WINOTAI C.
Published: May 2016

The carboxylic acids (I) and the amides (V) are hydroxylated in α‐position by consecutive lithiation and treatment with bis(trimethylsilyl) peroxide, producing the α‐hydroxy acids (II) or amides (VI).
ChemInform Abstract: Dual Regioselectivity in the Photoallylation of Electron‐Deficient Alkenes by Allylic Silanes.
Authors: MIZUNO K. , IKEDA M. , OTSUJI Y.
Published: May 2016

The allylsilane (II) reacts with the dicyanoethylene compounds (I) under irradiation to give the allylation products (III).
ChemInform Abstract: Diels‐Alder Reaction of Chiral Acrylamide and a Convenient Synthesis of Optically Pure Methyl (3R,4R,6R)‐Bicyclo(2.2.1)heptene‐4‐carboxylate.
Authors: KISHIKAWA K. , YAMAMOTO M. , KOHMOTO S. , YAMADA K.
Published: May 2016

Lewis acid‐induced Diels‐Alder reaction of cyclopentadiene (I) with the chiral acrylic urea (II) yields the amidonorbornenes (III) and (IV).
ChemInform Abstract: Rhodium Carbenoid‐Mediated Cyclizations. Synthesis and X‐Ray Structures of Cyclic Sulfoxonium Ylides.
Authors: MOODY C. J. , SLAWIN A. M. Z. , TAYLOR R. J. , WILLIAMS D. J.
Published: May 2016

The ω‐sulfinyl‐α‐diazo‐β‐keto esters (I) and (III), prepared from the corresponding sulfides by oxidation with MCPBA, cyclize in the presence of Rh catalysts to give the sulfoxonium ylides (II) and (IV).
ChemInform Abstract: 1‐Halosilatranes.
Authors: VORONKOV M. G. , BARYSHOK V. P. , PETUKHOV L. P. , RAKHLIN V. I. , MIRSKOV R. G. , PESTUNOVICH V. A.
Published: May 2016

Several methods for the synthesis of the four 1‐halosilatranes (II), (V), (VI), and (VII) are described.
ChemInform Abstract: Reactions of Bis(trifluoromethyl)nitroxyl with Germane.
Authors: ANG H. G. , LEE F. K.
Published: May 2016

The title reaction yields bis(trifluoromethyl)nitroxygermane (III), together with N,N‐bis(trifluoromethyl)hydroxylamine (IV).
ChemInform Abstract: Intramolecular, Base‐Induced Formation of a Metal‐Metal Bond in (L2MoIII 2(μ‐OH)(μ‐CH3CO2)2)3+ (L: 1,4,7‐Trimethyl‐1,4,7‐triazacyclononane). Crystal Structures of (L2MoIII 2(μ‐OH)(μ‐CH3CO2)2)(ClO4)3·H2O and (L2MoIII 2(μ‐O)(μ‐CH3CO2)2)(ClO4)(BF4)·H2O and of the Mixed‐Valence Complex (L2MoIIIMoIV(μ‐O)(μ‐CH3CO2)2)(ClO4)3·H2O.
Authors: WIEGHARDT K. , BOSSEK U. , NEVES A. , NUBER B. , WEISS J.
Published: May 2016

Hydrolysis of the complex (I) in the presence of ammonium acetate (II) under anaerobic conditions yields the paramagnetic μ‐hydroxo complex (III).
ChemInform Abstract: A Novel Solvent Effect in the Practical Synthesis of Ubiquinone‐10.
Authors: ETO H. , EGUCHI C.
Published: May 2016

The Lewis acid‐induced coupling of the hydroquinone (I) with isodecaprenol (II) is performed in various nitroalkane‐containing solvent mixtures.
ChemInform Abstract: Structure‐Activity Studies of β‐Carbolines. Part 4. Crystal and Molecular Structures of tert.‐Butyl β‐Carboline‐3‐carboxylate and 2‐(Methoxycarbonyl)canthin‐6‐one.
Authors: CODDING P. W. , SZKARADZINSKA M. B. , ROSZAK A. W. , AHA L. J. , HAGEN T. J. , COOK J. M.
Published: May 2016

The crystal structures of the title compounds (I) and (II), i.e. of two ligands for the benzodiazepine receptor, are investigated by X‐ray analyses (both space group P21/c with Z=4).
ChemInform Abstract: A Pulse Radiolysis Based Singlet Oxygen Luminescence Facility.
Authors: GORMAN A. A. , HAMBLETT I. , LAND E. J.
Published: May 2016

The first successful time‐resolved detection of O2(1Δg) luminescence is achieved by using the pulse radiolysis technique.
ChemInform Abstract: Hexamethylphosphoramide‐Catalyzed Conversion of Carbonyl Compounds into geminal‐Dichlorides with Thionyl Chloride.
Authors: KHURANA J. M. , MEHTA S.
Published: May 2016

The conversion of carbonyl compounds such as (I) and (III) to gem.‐dichlorides, which are potential intermediates for allenes, alkenes, acetylenes and norcamphor derivatives, is easily achieved according to conditions A).
ChemInform Abstract: Grignard Reagents as Powders: Preparation and Reactivity.
Authors: BOUDIN A. , CERVEAU G. , CHUIT C. , CORRIU R. J. P. , REYE C.
Published: May 2016

Chelating of the Grignard reagents (I) with the amine (II) leads to the solid complexes (III).
ChemInform Abstract: Synthesis of Substituted 2‐Decalones from 1‐Acetylcyclohexenes and α‐Trimethylsilyl α,β‐Unsaturated Carbonyl Compounds by Two‐Fold Michael Reactions. Synthesis of (.+‐.)‐Khusitone.
Authors: HAGIWARA H. , AKAMA T. , OKANO A. , UDA H.
Published: May 2016

The acetylcyclohexenes (I) or their kinetically stable silyl enol ethers (V) undergo cyclocondensation with the α‐silyl enones (II), yielding the decalones (III) as the main products, together with minor amounts of the bisadducts (IV).
ChemInform Abstract: Intramolecular Diels‐Alder Cycloadditions of Substituted Furfuryl E‐2‐(Phenylsulfonyl)acrylates.
Authors: JUNG M. E. , TRUC V. C.
Published: May 2016

The key reaction described in this paper is the intramolecular Diels‐Alder reaction of the furfuryl 2‐(phenylsulfonyl)acrylates (V), yielding the oxanorbornene‐fused γ‐lactones (VI) and (VII).
ChemInform Abstract: Synthesis of Substituted Pyrimidinediones, Thiazolidinones and Triazinoindoles.
Authors: HIREMATH S. P. , ULLAGADDI A. , PUROHIT M. G.
Published: May 2016

Title compounds of type (V) (6 examples), (VII) (6 examples), (X) (9 examples) and (XII) (6 examples) are prepared starting from the corresponding indole‐2‐carbohydrazides.
ChemInform Abstract: Acid‐Catalyzed Condensation of Phenolic Compounds with Cinnamyl Alcohol. Synthesis of Flavans and Linear Pyranocoumarins.
Authors: AHLUWALIA V. K. , MANN R. R. , SINGH S. B.
Published: May 2016

Coupling of 2‐methylresorcinol (I) with cinnamyl alcohol (II) in the presence of orthophosphoric acid leads to the formation of a mixture of the compounds (III) ‐ (V).
ChemInform Abstract: Studies on the Molybdenum Cofactor: Model Synthetic Routes Directed at Form B.
Authors: TAYLOR E. C. , SABB A. L.
Published: May 2016

Chlorination of the pyrazine 1‐oxide (I) with phosphorus oxychloride gives the corresponding 6‐chloropyrazine which is coupled with triphenylphosphine (II), producing the triphenylphosphonium chloride (III).
ChemInform Abstract: Studies in Synthesis of Amidoxime. Synthesis of Hexahydro‐2H‐azepin‐2‐one Oxime.
Authors: THAKORE P. V.
Published: May 2016

Methylation of caprolactam (I) with dimethyl sulfate (II) produces the 2‐methoxyazepine derivative (III).
ChemInform Abstract: Formation of a Phosphaalkyne via Migration of the Phenyl Group from Phosphorus to Carbon.
Authors: YOSHIFUJI M. , NIITSU T. , INAMOTO N.
Published: May 2016

The phosphaethylene (I) reacts with two equivalents of tert‐butyllithium (II) at lower temperatures to form a greenish solution of the Li salt (III) which is trapped with methyl iodide (IV) to yield the methyl compound (V).
ChemInform Abstract: Luminescence of the Isolated Niobate Octahedron in MgNb2(P2O7)3 (I).
Authors: BLASSE G. , DIRKSEN G. J.
Published: May 2016

The diffuse reflection spectrum of (I) exhibits an absorption edge at 310 nm.
ChemInform Abstract: Synthesis of an Ambient Temperature Stable, High Spin Density Organic Solid with an Anomalously Small Interspin Coupling.
Authors: CHIANG L. Y. , JOHNSTON D. C. , GOSHORN D. P. , BLOCH A. N.
Published: May 2016

Triplet dicationic (I) molecules (otherwise found to be stable only below the cryogenic temp.), after reaction of (I) with an organic acceptor ((II) is found to be an optimum one, giving a ((I)2·(II)) complex) and a doping process in the solid complex with gaseous AsF5, can be stabilized in the solid state at ambient temp. to form novel organic charge‐transfer salts ((I)2·(II)·(AsF5,5)y (y = 2.0‐8.4) possessing a high spin density with an anomalously small interspin coupling.