bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Preparation and Characterization of Sulfur‐Capped Trinuclear Molybdenum(IV) Complexes with Mo3O3S Cores and of Sulfur‐Bridged Dinuclear Molybdenum(V) Complexes with Mo2O3S Cores. Crystal and Molecular Structures of Ba(Mo3O3S(Hnta)3)·10 H2O and K2(Mo3O3S(cys)3)·6 H2O.
Authors: SHIBAHARA T. , AKASHI H. , NAGAHATA S. , HATTORI H. , KUROYA H.
Published: May 2016

New preparative routes to (IV) and similarly to (V) (using the disodium salt of EDTA instead of L‐cysteine) are reported.
ChemInform Abstract: The Iron‐Nitrato/Iron‐Nitrosyl Couple in the Presence of Hexamethylphosphoric Triamide and Its Relevance to Oxygen Activation and Transfer. X‐Ray Structure of Fe(NO3)(Cl)2(HMPA)2.
Authors: WAH H. L. K. , POSTEL M. , TOMI F.
Published: May 2016

The reaction of (I) and (II) yields a most unstable paramagnetic species (III) from which in solution (IV) can be isolated.
ChemInform Abstract: Encapsulated Phosphides: Ru8(CO)21(μ6‐P)(μ4‐PPh)(μ2‐PPh2), a Molecule with a Six‐Coordinate Phosphorus Atom in a Condensed Cluster.
Authors: VAN GASTEL F. , TAYLOR N. J. , CARTY A. J.
Published: May 2016

Refluxing a solution of Ru3(CO)10(μ‐H)(μ‐PPh2) in toluene gives a mixture of five clusters (2‐37% yield), which is separated chromatographically.
ChemInform Abstract: All‐E‐10,20‐Methanoretinoylopsin, Light‐Stable Rhodopsin. Synthesis and Spectroscopy of all‐E‐10,20‐Methano‐ and all‐E‐Retinoyl Fluoride and Their Reaction with Bovine Opsin.
Authors: VAN DER STEEN R. , GROESBEEK M. , VAN AMSTERDAM L. J. P. , LUGTENBURG J. , VAN OOSTRUM J. , DE GRIP W. J.
Published: May 2016

The retinal analogue (VI) with a fixed 11‐cis configuration to preclude the light‐induced 11‐cis/trans isomerization and the retinoyl fluoride (VIII) are prepared by the procedures shown in the scheme (discussion of 1H, 13C, 19F NMR, MS and IR data).
ChemInform Abstract: 2‐(Trimethylsilyl)ethyl Glycosides. Part 3. Synthesis, Anomeric Deblocking, and Transformation into 1,2‐trans 1‐O‐Acyl Sugars.
Authors: JANSSON K. , AHLFORS S. , FREJD T. , KIHLBERG J. , MAGNUSSON G. , DAHMEN J. , NOORI G. , STENVALL K.
Published: May 2016

Trimethylsilylethyl glycosides such as (III) are treated with acetic anhydride (IV) in the presence of BF3·Et2O to form the corresponding 1‐O‐acyl sugars, e.g. (V).
ChemInform Abstract: Tobacca Smoke Chemistry. Part 2. Alkyl and Alkenyl Substituted Guaiacols Found in Cigarette Smoke Condensate.
Authors: ARNARP J. , BIELAWSKI J. , DAHLIN B.‐M. , DAHLMAN O. , ENZELL C. R. , PETTERSSON T.
Published: May 2016

A variety of ca. 25 substituted derivatives of guaiacol (Ia) are synthesized and used as reference substances for the MS and GC indentification of constituents of smoke condensate.
ChemInform Abstract: Synthesis of Isoarnebifuranone, Nanaomycin, and Deoxyfrenolicin. Structure Elucidation of Arnebifuranone.
Authors: FOLAND L. D. , DECKER O. H. W. , MOORE H. W.
Published: May 2016

In connection with the synthesis of isoarnebifuranone (VII), arnebifuranone (VIII) is found to be the Z isomer.
ChemInform Abstract: Leucodaunomycin, a Tautomer of Daunomycin Hydroquinone.
Authors: BIRD D. M. , BOLDT M. , KOCH T. H.
Published: May 2016

Daunomycin hydroquinone (II), which is formed from daunomycin (I) by reduction with dithionite, tautomerizes at the B‐ring to leuco isomers (III) (in competition with glycosidic cleavage) when the pH is rapidly reduced from 7 to 3. The leuco isomers (III) are stable at low pH but revert to (II) at pH 7.4.
ChemInform Abstract: Pressure Effects on the Thermal Stability of Silicon Carbide Fibers.
Authors: JASKOWIAK M. H. , DICARLO J. A.
Published: May 2016

With the objective to determine the feasibility of improving the thermal stability of polymer‐derived SiC fibers measurements are made of the strength and physical properties of commercially available SiC fibers after heat treatment between 1000 and 2200 °C under vacuum and at argon pressures of 0.1 and 138 MPa.
ChemInform Abstract: The Elusive Zirconium(III)
Authors: WIELSTRA Y. , GAMBAROTTA S. , CHIANG M. Y.
Published: May 2016

Review: (synthetic methods and structural features; 95 refs.
ChemInform Abstract: 29Si Magic Angle Spinning NMR Spectra of Alkali Metal, Alkaline Earth Metal, and Rare Earth Metal Ion Exchanged Y Zeolites
Authors: CHAO K.‐J. , CHERN J.‐Y.
Published: May 2016

are monitored as a function of the degree of dehydration/rehydration.
ChemInform Abstract: NQR‐NMR and Raman Study of a Structural Phase Transition in (NH4)2PbCl6.
Authors: DIMITROPOULOS C. , PELZL J.
Published: May 2016

Structural phase transformations, observed in (NH4)2PbCl6 at 80 K and in (NH4)2TeCl6 at 85 K by temp.‐dependent Cl‐NQR measurements, show several features distinctly different from those observed in other hexachlorometalates.
ChemInform Abstract: The Superconductivity in the Tl‐Ba‐Cu‐O System
Authors: ALEKSEEVSKII N. E. , MITIN A. V. , NIZHANKOVSKII V. I. , GREN B. , WARCHULSKA J.
Published: May 2016

is studied for samples of formula Tl1.5Ba2Cu3O7‐x. The samples are not single‐phase, but contain several phases with the main phase being tetragonal.
ChemInform Abstract: Preparation of Supported Copper‐Based Catalysts. Part 1. Adsorption of Cu(II) Ions at Alumina and Silica.
Authors: DUMAS J.‐M. , KRIBII A. , MENEZO J. C. , BARBIER J.
Published: May 2016

The influence of the specific surface area, zero point of charge (ZPC), temp., pH, and addition of F‐ on the exchange capacities of Cu(II) are studied for two aluminas (100 and 200 m2/g) and two silicas (80 and 300 m2/g, resp.).
ChemInform Abstract: Activation and Deactivation Mechanisms for Thin‐Film Iron‐Titanium Hydrides
Authors: SANDERS J. H. , TATARCHUK B. J.
Published: May 2016

are studied because FeTi is an alloy capable of reversible hydrogen storage at reasonable temp. and pressures.
ChemInform Abstract: Synthesis and Characterization of New Mixed‐Valent Tellurates.
Authors: LAUNAY S. , MAHE P. , QUARTON M.
Published: May 2016

The synthesis of the new compounds M(I)BaNbTe2O9 (M(I): Li, Na, K, Rb, Ag) and M(II)0.5BaNbTe2O9 (M(II): Mg, Ca, Sr, Ba, Cu, Zn, Cd, Pb) by solid state reaction in the temp. range 600‐750 °C is achieved during the study of the systems BaTe2O6‐M(I)NbO3 and BaTe2O6‐M(II)(NbO3)2.
ChemInform Abstract: A New Catalyst for the Efficient and Selective β‐Hydrosilylation of Acrylonitrile. Effect of Ultrasound.
Authors: RAJKUMAR A. B. , BOUDJOUK P.
Published: May 2016

The hydrosilylation of acrylonitrile (I) to give exclusively the β‐adduct (III) is effected in yields of 98‐100% using the silanes (IIa) and the new two‐component catalyst system consisting of tetramethylethylenediamine and Cu2O. Ultrasonic waves significantly increase the rate of hydrosilylation over room‐temp.
ChemInform Abstract: A Novel Oxidative Ring‐Opening Reaction of Isoxazolidines: Syntheses of β‐Amino Ketones and β‐Amino Acid Esters from Secondary Amines.
Authors: MURAHASHI S. , KODERA Y. , HOSOMI T.
Published: May 2016

The 3‐phenyl‐ or 3‐ethoxyisoxazolidines (I) are cleaved upon consecutive treatment with the alkyl halides (II) and a tertiary amine, yielding the β‐amino ketones (IIIa) and (IIIb) or the β‐amino acid esters (IIIc) ‐ (IIIe).
ChemInform Abstract: Acid‐Catalyzed Acetylation of N‐Methallyl‐Substituted Lactams and Imines.
Authors: VOSHCHULA V. N. , TOLKUNOV S. V. , ZUBRITSKII M. YU. , DULENKO V. I.
Published: May 2016

Treatment of the N‐methallyl lactams (I) or (IV) and the cyclic imides (VI), (VIII), or (X) with the carboxylic anhydrides (II) and aqueous perchloric acid gives the anellated oxazolinium salts (III), (V), (IX), (XI), and (XII) or the pyrylium salts (VII) depending on the starting materials.
ChemInform Abstract: Photochemical Reaction of Benzophenones with Allylic Silanes.
Authors: TAKUWA A. , FUJII N. , TAGAWA H. , IWAMOTO H.
Published: May 2016

The title reaction, carried out to study the reactivity of allylic silanes to a photoexcited carbonyl group, leads to the Paterno‐Buechi cycloadducts (III) + (IV) and to the products (V) and (VI) resulting from recombination of radicals generated by H‐abstraction.
ChemInform Abstract: Anodic Oxidation of (Trimethylsilyl)methanes with π‐Electron Substituents in the Presence of Nucleophiles.
Authors: KOIZUMI T. , FUCHIGAMI T. , NONAKA T.
Published: May 2016

The oxidation potentials of methanes (I) with π‐electron substituents are decreased by introduction of a trimethylsilyl group.
ChemInform Abstract: Sulfonyl Esters. Part 1. The Reduction of Tribromophenyl Sulfonates with Mercaptide Anions.
Authors: DURKIN K. A. , LANGLER R. F. , MORRISON N. A.
Published: May 2016

2,4,6‐Tribromophenyl sulfonates have been shown to undergo unusually efficient reduction by mercaptide anions in hexamethylphosphoramide.
ChemInform Abstract: Iminiumtetrachloroaluminates as Efficient Mannich Reagents. α‐Aminoalkylation of Enamines with Iminiumtetrachloroaluminates.
Authors: RISCH N. , ESSER A.
Published: May 2016

The use of tetrachloroaluminates (Ia) and (IIa) instead of the commonly used salts (Ib), (Ic), and (IIb) offers some important advantages (e.g.
ChemInform Abstract: A Convenient Method for Synthesis of gem‐Bromochlorocyclopropanes.
Authors: XU L. , TAO F.
Published: May 2016

A mixture of the alkenes (I), bromoform (II), and tetrachloromethane (III) in a molar ratio of 2:4:1 is treated with powdered sodium hydroxide under phase‐transfer catalytic conditions and ultrasonic irradiation, yielding the 1,1‐dihalocyclopropanes (IV) ‐ (VI) with predominance of the mixed products (IV) mentioned in the title.
ChemInform Abstract: Syntheses of Acetyl‐1‐bromopyrenes.
Authors: MINABE M. , MOCHIZUKI H. , YOSHIDA M. , TODA T.
Published: May 2016

Pyrene derivatives are required for carcinogenesis studies and for the synthesis of active metabolites.
ChemInform Abstract: Electrophilic Sulfenylation of Silyl Ketene Acetals Derived from 3‐Hydroxy Esters. Diastereoselective Synthesis of Protected Epoxy Alcohols.
Authors: GUANTI G. , BANFI L. , NARISANO E. , THEA S.
Published: May 2016

The siloxy ketene silyl acetals (I) react with phenylsulfenyl chloride (II) to produce mixtures of the anti‐ (III) and syn‐adducts (IV) with predominance of the isomers (III).
ChemInform Abstract: Synthesis and Comparison of Reactivity of Alkoxymethylene and Thioalkoxymethylene Ketenes.
Authors: CHEIKH A. B. , DHIMANE H. , POMMELET J. C. , CHUCHE J.
Published: May 2016

The Meldrum's acid derivatives (I) are cleaved by flash vacuum pyrolysis to generate the methylene ketenes (II).
ChemInform Abstract: Rearrangement of a Furo(3,2‐b)naphtho(2,1‐d)furan to a Pyranonaphthoquinone.
Authors: BRIMBLE M. A. , HODGES R. , STUART S. J.
Published: May 2016

The fused furans (III), prepared by coupling of the quinones (I) with the siloxyfuran (II), undergo oxidative rearrangement under participation of the acetyl substituent, forming the fused α‐hydroxypyrans (IV).
ChemInform Abstract: A New Efficient Synthesis of β‐Amino Ketones via δ4‐Isoxazolines.
Authors: MANCUSO V. , HOOTELE C.
Published: May 2016

Cycloaddition reaction of the alkynes (II) with the cyclic nitrones (I) yields the fused isoxazolines (III).
ChemInform Abstract: Boron Trifluoride‐Promoted Reaction of Dithio‐Substituted Allylic Anions and Cyclic Ethers.
Authors: FANG J.‐M. , CHEN M.‐Y.
Published: May 2016

The anions of the 2‐vinyl‐1,3‐dithianes (I) are coupled with the cyclic ethers (II) or (IV) in the presence of boron trifluoride etherate to produce the hydroxyalkyldithianes (III) or (V) and (VIb).
ChemInform Abstract: Synthesis and Study of the Antidepressant Activity of 3‐Amino‐4,6‐diarylpyridazines, Analogues of Minaprine.
Authors: COUDERT P. , RUBAT C. , COUQUELET J. M. , BASTIDE J.
Published: May 2016

The amino‐substituted pyridazines (III) are prepared by nucleophilic aromatic substitution of the chloropyridazine (I) with the aliphatic amines (II).
ChemInform Abstract: A General Route to 3‐(Hydroxyaryl)tetrahydropyridazines and 1,2‐Diazepines and Derivatives.
Authors: KALYANAM N. , DAVE K. G. , LIKHATE M. A.
Published: May 2016

The phenols (I) are subjected to Friedel‐Crafts acylation with 4‐chlorobuturyl chloride (II) to give the 3‐chloropropyl phenyl ketones (III) which are cyclized with hydrazine hydrate (IV).
ChemInform Abstract: Electrosynthesis in Organosilicon Chemistry: Selective Silylation of Polychloromethanes.
Authors: PONS P. , BIRAN C. , BORDEAU M. , DUNOGUES J.
Published: May 2016

Tetra‐ (I), tri‐ (IX), and dichloromethane (XI) are subjected to electrolysis in the presence of trimethylchlorosilane (II).
ChemInform Abstract: Reactivity of Phosphonitriles with Low‐Coordinated Phosphorus Double‐Bonded Compounds.
Authors: BOESKE J. + , NIECKE E. , NIEGER M. , OCANDO E. , MAJORAL J.‐P. , BERTRAND G.
Published: May 2016

Several trapping reactions of photochemically generated phosphonitriles (=P≡N) by iminophosphanes (‐P=N‐) are reported.
ChemInform Abstract: Octahedral Metal Carbonyls. Part 66. Rates and Mechanism of Chelate Ring Displacement from Tetracarbonyltungsten Complexes of Dithiaalkanes Forming Seven‐ and Eight‐Membered Chelating Rings.
Authors: DOBSON G. R. , CORTES J. E.
Published: May 2016

The dithiaalkane chelate complexes (I) (preparation described, yields 25 and 22%) react with Lewis bases L in a "biphasic" reaction proceeding through the non‐steady‐state intermediates (III) one of which is isolated in the case of (IIIa).
ChemInform Abstract: The First Group 6 (η2‐Olefin)(η4‐diene)M(CO)3 Complexes: Photochemical Synthesis and Structure of mer‐Tricarbonyl(η2‐olefin)(η4‐norbornadiene)tungsten Compounds.
Authors: GREVELS F.‐W. , JACKE J. , BETZ P. , KRUEGER C. + , TSAY Y.‐H.
Published: May 2016

The photoreaction of (I) (P21/c, Z=4) with (Z)‐cyclooctene in hexane (20 °C) or with ethene in pentane (‐30 °C) gives the mer‐complexes (III).
ChemInform Abstract: Easy Functionalization of C(17) in the Desethyleburnamonine Series.
Authors: JOKELA R. , LOUNASMAA M.
Published: May 2016

The new and interesting dicarbonyl derivative (III) is subjected to various reductive conditions to yield the new derivatives (IV)‐(VII).
ChemInform Abstract: Chemical Bonding in Crystalline Phases of Cesium Hydrogensulfides, CsHS and CsDS
Authors: JACOBS H. , KIRCHGAESSNER R. +
Published: May 2016

, prepared by reaction of liquid H2S or D2S with Cs (room temp., pressure resistant glass tubes), is studied by X‐ray and neutron diffraction.
ChemInform Abstract: Preliminary Investigation on the Corrosion Behavior of Amorphous (Ti90Ru10)87Si13 in Saline Solutions.
Authors: CARBAJAL J. L. , WHITE R. E. , GRIFFIN R. B. , DUBROUILLET J. N.
Published: May 2016

The corrosion behavior of (Ti90Ru10)87Si13, a new metallic glass prepared by splat cooling in an arc furnace, is studied in 0.5 M NaCl and in artificial seawater using linear polarization resistance, ac impedance and small amplitude cyclic voltammetric measurements.
ChemInform Abstract: Structural Variety of Iodoantimonates; the Anions Sb3I2‐ 11, Sb5I3‐ 18, and Sb6I4‐ 22.
Authors: POHL S. , LOTZ R. , SAAK W. , HAASE D.
Published: May 2016

The compounds (IV), (VI), and (XI) containing the title anions are prepared and their structures are determined.
ChemInform Abstract: Synthesis and Some Properties of Double Chromates of the Rare Earth Elements of the Yttrium Subgroup and Potassium with the Composition K3M(CrO4)3·H2O.
Authors: KUZINA T. I. , SHAKHNO I. V.
Published: May 2016

The title compounds (III) are prepared for the first time.
ChemInform Abstract: (Cl3PNPCl3) (MoNCl4), a Compound Having Columns of Stacked Anions.
Authors: PATT‐SIEBEL U. , KHABOU A. , MUELLER U. + , DEHNICKE K.
Published: May 2016

The title compound (III) crystallizes in the space group Pba2 with Z=2.
ChemInform Abstract: Structure and Properties of Quaternary Chalcogenides MIAIIIBIVXVI 4. Part 3. AgTiZrTe4 and Ag2TiZrTe4.
Authors: CYBULSKI Z. , FELTZ A.
Published: May 2016

The title compounds can be prepared either by annealing stoichiometric mixtures of the elements at 900 °C or by intercalation of Ag into TiZrTe4 at 400 °C. The structures of AgTiZrTe4 (I) and Ag2TiZrTe4 (II) (space group P2/m, Z=4) are closely related to that of TiZrTe4, showing an ordered distribution of Ti and Zr atoms at the octahedral sites of the CdI2‐type structure.
ChemInform Abstract: Encapsulation of Heavy Transition Metals in Iodide Clusters. Synthesis, Structure, and Bonding of the Unusual Cluster Phase Y6I10Ru.
Authors: HUGHBANKS T. , CORBETT J. D.
Published: May 2016

The novel title compound (III) is obtained in the course of an investigation aimed at synthesizing Y7I12Ru.
ChemInform Abstract: Synthesis with Electrogenerated Carbenes. Part 2. Reaction of Dichlorocarbene with Geraniol and Geranyl Acetate.
Authors: BARYSHNIKOVA T. K. , NIYAZYMBETOV M. E. , BOGDANOV V. S. , PETROSYAN V. S.
Published: May 2016

Addition reaction of dichlorocarbene, generated in situ from carbon tetrachloride (II) by electrochemical reduction, to the terminal double bond of geraniol (Ia) or geranyl acetate (Ib) produces the corresponding gem.
ChemInform Abstract: Simplified Method of Ascertaining Steric Effects in Electrophilic Addition Reactions. A Comparison of Bromination, Oxymercuration, and Hydroboration.
Authors: NELSON D. J. , COOPER P. J. , SOUNDARARAJAN R.
Published: May 2016

Correlations of ionization potentials (IP's) vs.
ChemInform Abstract: Geminal Systems. Part 40. Rearrangement of the Cyclopropyl ‐ Allyl Type During the Thermolysis of Bicyclic N‐Haloaziridines.
Authors: SHUSTOV G. V. , DENISENKO S. N. , SHIBAEV A. YU. , PUZANOV YU. V. , ROMERO MALDONADO I. K. A. , KOSTYANOVSKII R. G.
Published: May 2016

Thermolysis of the N‐halodiazabicyclohexanecarboxylates (I) gives the haloacrylates (II).
ChemInform Abstract: Synthesis, Reactivity, and Structure of Nitrodiazoacetic Acid.
Authors: O'BANNON P. E. , CARROLL P. J. , DAILEY W. P.
Published: May 2016

In contrast to previous communications, treatment of the nitrodiazoacetate (I) with trifluoroacetic acid yields the diazoacetic acid (II) which decarboxylates, yielding nitrodiazomethane (III).
ChemInform Abstract: Asymmetric Synthesis of 4‐Alkoxy‐4‐alkylcyclohexen‐2‐ones. Application Toward the Synthesis of (+)‐Abscisic Acid.
Authors: MEYERS A. I. , STURGESS M. A.
Published: May 2016

The bicyclic lactam (I) is converted to the keto lactam (IV) via the thioacetal (III).
ChemInform Abstract: Chemistry of O,N‐ and S,N‐Containing Heterocycles. Part 7. Synthesis of New Tricyclic Heterocycles from 1,4‐Benzoxazin‐ and 1,4‐Benzothiazin‐3‐oximes.
Authors: BARTSCH H. , ERKER T. , NEUBAUER G.
Published: May 2016

In connection with the cyclization behavior of the oximes (IIIa) and (IIIb), their reaction with chloroacetic acid chloride, thionyl chloride and CDI (IV) is studied.
ChemInform Abstract: Synthesis of Guanidinofurazans from Aminofurazans and Carbodiimides.
Authors: DOROKHOV V. A. , SHAGOVA E. A. , NOVIKOVA T. S. , SHEREMETEV A. B. , KHMEL'NITSKII L. I.
Published: May 2016

Reaction of the aminofurazans (I), (V), and (VII) with tributylborane, coupling with the carbodiimides (III), and subsequent alcoholysis give the guanidinofurazans (III), (VI), and (VIII).
ChemInform Abstract: Synthesis and Fungitoxicity on Some 5‐Arylamino‐2‐polynitroarylthio‐1,3,4‐thiadiazoles.
Authors: SANGAL S. K. , KUMAR A.
Published: May 2016

Cyclocondensation of the thiosemicarbazides (I) with carbon disulfide (II) produces the 2‐mercapto‐1,3,4‐thiadiazoles (III).
ChemInform Abstract: One‐Pot Synthesis of 3‐Aryl‐2,3‐dihydro‐2‐thioxobenzofuro(3,2‐d)pyrimidin‐4(1H)‐ones.
Authors: REDDY B. S. , REDDY A. P. , VEERANAGAIAH V.
Published: May 2016

The reaction of the benzofuran (I) with the isothiocyanates (II) in hot acetic acid gives the title compounds (III) in moderate yield.
ChemInform Abstract: Asymmetric Induction in the Diels‐Alder Reactions of α‐Hydroxyacylnitroso Compounds.
Authors: KIRBY G. W. , NAZEER M.
Published: May 2016

The α‐hydroxyacylnitroso compounds (IIa) ‐ (IIc) and the methoxy analogue (IId), generated from the hydroxamic acids (I) upon treatment with periodate, undergo cycloaddition reaction with the cyclic dienes (III) or (V), producing the bridged 1,2‐oxazines (IV) or (VI) with predominance of one diastereomer.
ChemInform Abstract: Synthesis of 2‐(6‐Methoxy‐2‐methyl‐4‐quinolinoxy)‐4‐(phenylureido)‐6‐(arylamino)‐s‐triazines and Study of Their Antitubercular and Antibactarial Activity.
Authors: DESAI P. H. , DESAI K. R.
Published: May 2016

Coupling of 4‐hydroxy‐6‐methoxy‐2‐methylquinoline (I) with cyanuric chloride (II) produces the dichlorotriazine derivative (III) which is further substituted with phenylurea (IV) to yield the compound (V).
ChemInform Abstract: A Convenient Method for Dihydroxylation of Olefins by the Combined Use of Osmium Tetroxide and Dihydroxyphenylborane.
Authors: IWASAWA N. , KATO T. , NARASAKA K.
Published: May 2016

The dihydroxylation of indene (I) with osmium tetroxide/N‐methylmorpholine 1‐oxide is performed in the presence of the dihydroxyboranes (II), yielding the dioxaborolanes (III), whereas in the presence of other additives, only the cis‐diol (IV), is obtained.
ChemInform Abstract: Unsaturated Silicon Compounds. Part 32. Compounds of Silicon and Its Group Homologues. Part 86. Generation and Detection of the Silaethene Ph2Si=C(SiMe3)2.
Authors: WIBERG N. , LINK M. , FISCHER G.
Published: May 2016

Precursors of the title compound (IV), the halogenotrisilylmethyl‐Li compounds (III) are prepared according to the scheme.
ChemInform Abstract: Synthesis and Characterization of Phosphinosilylalanes from ((CH3)3Si)3Al. Crystal and Molecular Structure Determinations of (((CH3)3Si)2AlP(C6H5)2)2, (((CH3)3Si)2AlP(C6H5)(Si(CH3)3))2, (((CH3)3Si)2AlP(H)(c‐C6H11))3, and ((((CH3)3Si)2N)(C6H5)P)2.
Authors: JANIK J. F. , DUESLER E. N. , MCNAMARA W. F. , WESTERHAUSEN M. , PAINE R. T.
Published: May 2016

In an attempt to produce phosphinoalane ring compounds and aluminum phosphide precursors under mild conditions, reactions between the silylalane (I) and several chlorophosphines e.g. PCl3, Ph2PCl and (Me3Si)2N‐PPhCl are investigated.
ChemInform Abstract: Synthesis and Characterization of Two Copper(II) Complexes with Protonated 6‐Benzylaminopurine as Ligand. Crystal and Molecular Structure of (CuCl3(6‐benzylaminopurineH)2)Cl·H2O.
Authors: RIBAS J. , MONFORT M. , COSTA R. , SOLANS X.
Published: May 2016

Aqueous Cu(II) halides react with 6‐benzylaminopurine in hydrochloric or hydrobromic acid to give the monohydrates of the ionic complexes (I).
ChemInform Abstract: New Chiral Recognition of Chiral Tin(II) Enolates Toward Cyclic Acyl Iminium Species. Asymmetric Total Synthesis of (‐)‐Supinidine.
Authors: NAGAO Y. , DAI W.‐M. , OCHIAI M.
Published: May 2016

The enol triflates (II) react with the acyliminium ion generated from the pyrrolidinone (I) to form diastereoselectively the adducts (III).
ChemInform Abstract: Reactions of Ar+, Ne+, and He+ with SiF4 from Thermal Energy to 50 eV c.m.
Authors: WEBER M. E. , ARMENTROUT P. B.
Published: May 2016

(c.m.: center‐of‐mass) are studied by guided ion‐beam MS techniques.
ChemInform Abstract: Effect of the 9‐Methyl Substituent on the Chemical Behavior Under Acid Conditions of the Diastereoisomeric 9,10‐Oxides Derived from trans‐1,2,3,4,4a,10a‐Hexahydrophenanthrene.
Authors: CHINI M. , CROTTI P. , MACCHIA F.
Published: May 2016

The carcinogenic and mutagenic activities of some aromatic polycyclic hydrocarbons have been linked in recent years to the reactivity of their diol epoxide metabolites.
ChemInform Abstract: Effective Deprotection of (2‐Trimethylsilylethoxy)methylated Alcohols (SEM Ethers). Synthesis of Thyrsiferyl‐23 Acetate.
Authors: KAN T. , HASHIMOTO M. , YANAGIYA M. , SHIRAHAMA H.
Published: May 2016

A new efficient method for the cleavage of (2‐trimethylsilylethoxy)methyl ethers (SEM ethers) is described using molecular sieves additionally to the standard conditions.
ChemInform Abstract: An Efficient Acceptor of 1‐Hydroxy(or Alkoxy)alkyl Radicals. Ketene Dithioacetal S,S‐Dioxide.
Authors: OGURA K. , YANAGISAWA A. , FUJINO T. , TAKAHASHI K.
Published: May 2016

The ketene dithioacetal S,S‐dioxides (II), obtained from (I) by literature‐known methods, react with the alcohols (III) or the ethers (VII) under irradiation in the presence of benzophenone (IV) to give the addition products (V) and (VIII).
ChemInform Abstract: The Pagodane Route to Dodecahedranes: 4,9,14,19‐Tetrasubstituted (1.1.1.1)Pagodanes by Intramolecular Functionalization.
Authors: PINKOS R. , RIHS G. , PRINZBACH H.
Published: May 2016

As an alternative to the total synthesis described in the preceding abstract, the feasibility of using intramolecular functionalization for the preparation of substituted pagodanes (cf.
ChemInform Abstract: Synthesis and Investigation of 1‐N‐(2′,5′‐Anhydro‐D,L‐xylo‐3′,4′‐dihydroxypentyl)‐5‐fluorouracil.
Authors: KOLOMEITSEVA V. V. , DENISOV G. V. , TEREKHOV D. S. , UVAROVA L. A. , PYAIVINEN E. A. , SIDOROVA N. S.
Published: May 2016

The title compound (IV) is synthesized from 5‐fluorouracil (III) and the bromodeoxyanhydroxylitol (II).
ChemInform Abstract: Reaction of Metallic Thallium with Iodoalkanes.
Authors: GUN'KIN I. F. , ASTAKHOVA E. V. , BUKHAROV V. G.
Published: May 2016

Dispersed thallium (II), prepared from thallium(I) chloride and potassium in refluxing m‐xylene, reacts with the alkyl iodides (I) to give the trialkylthalliums (III) which are converted in situ to the dialkylthallium chlorides (IV) on treatment with HCl.
ChemInform Abstract: A Novel, Trimeric, Chiral Copper(I) Thiophenolate with Intramolecular Coordination.
Authors: KNOTTER D. M. , VAN KOTEN G. , VAN MAANEN H. L. , GROVE D. M. , SPEK A. L.
Published: May 2016

The title complex (III) crystallizes in P63 with Z=2.
ChemInform Abstract: Ultrasound‐Promoted Diels‐Alder Reactions: Syntheses of Tanshinone IIA, Nortanshinone, and (.+‐.)‐Tanshindiol B.
Authors: LEE J. , SNYDER J. K.
Published: May 2016

Cycloaddition reactions of the o‐quinone (I) with dienes such as (II) are efficiently promoted by ultrasound; after aromatization, products such as (III) and (IV) are obtained.
ChemInform Abstract: Oxidation of Hexaaquairidium(III) and Related Studies: Preparation and Properties of Iridium(III), Iridium(IV), and Iridium(V) Dimers as Aqua Ions.
Authors: CASTILLO‐BLUM S. E. , RICHENS D. T. , SYKES A. G.
Published: May 2016

Electrochemical or chemical (Ce(IV)) oxidation of Ir(H2O)63+ in acidic solution gives a brown‐green product that titrates for Ir(V).
ChemInform Abstract: Fragmentation and Isomerization of Pyrazoles Under Flash Vacuum Pyrolysis.
Authors: MAQUESTIAU A. , BIENFAIT I. , BEN ABDELOUAHAB F. B. , FLAMMANG R.
Published: May 2016

The title reaction of the pyrazole (I) yields the furan (II) as major product.
ChemInform Abstract: Naphthalene and Donor‐Substituted Naphthalenes as Dienophiles Towards Dimethyl 1,2,4,5‐Tetrazine‐3,6‐dicarboxylate.
Authors: SEITZ G. , HOFERICHTER R.
Published: May 2016

Thermally induced cycloaddition reaction of naphthalene (Ia) and the 1‐substituted derivatives (Ib) and (Ic) with the tetrazinedicarboxylate (II) yields the benzophthalazinedicarboxylates (III).
ChemInform Abstract: Cyclometalated Compounds of Platinum(II) with Two Different C,N‐Aromatic Ligands.
Authors: DEUSCHEL‐CORNIOLEY C. , LUEOEND R. + , VON ZELEWSKY A.
Published: May 2016

The two bis‐heteroleptic cyclometalated Pt(II) complexes (IVa) and (IX) are synthesized by two different routes according to the scheme.
ChemInform Abstract: Photochemical Reactions of the Oxoperoxovanadium(V) Complex in an Acidic Aqueous Solution.
Authors: SHINOHARA N. , NAKAMURA Y.
Published: May 2016

Irradiation of VO(O2)+ in 1 M HClO4 solution with 313, 365, and 436 nm light results in photoreduction of the complex according to the overall reaction outlined in the scheme.
ChemInform Abstract: Mono and Dinuclear M2+ Chelates as Catalysts for the Hydrolysis of Organophosphate Triesters.
Authors: CLEWLEY R. G. , SLEBOCKA‐TILK H. , BROWN R. S.
Published: May 2016

The 2:1 and 1:1 Zn(II) and Cu(II) complexes of the ligands (II) and (III), respectively, formed in solution are studied as catalysts for the hydrolysis of tris(4‐nitrophenyl)phosphate (I) in 33% EtOH‐H2.
ChemInform Abstract: Imines and Derivatives. Part 22. Photoisomerization of the N,N′‐Dioxides of N,N′‐Dialkyl‐2,2,4,4‐tetramethylcyclobutane‐1,3‐diimines.
Authors: BOYD A. J. , BOYD D. R. , SHARMA N. D. , DEV K. , JENNINGS W. B. , HOWARTH O. W.
Published: May 2016

Photoisomerization of the title compound (I) occurs in a stepwise manner to give the diamide (VII) on both the routes (I) → (II) → (III) + (IV) → (VI) → (VII) and (I) → (II) → (V) → (VI) → (VII).
ChemInform Abstract: Oxidative Deamination of sec‐Alkyl Primary Amines with 3,5‐Di‐tert‐butyl‐1,2‐benzoquinone: A Second Look.
Authors: KLEIN R. F. X. , BARGAS L. M. , HORAK V.
Published: May 2016

Coupling the amines (II) with the o‐benzoquinone (I) yields the Schiff bases (III) which are directly hydrolyzed, producing the desired ketones (V), together with the aminophenol (IV).
ChemInform Abstract: Divinyl Sulfide. Part 16. Divinyl Sulfide, a Vinylthiylating Reagent in the Synthesis of Highly Unsaturated Sulfides.
Authors: AMOSOVA S. V. , GOSTEVSKAYA V. I. , GAVRILOVA G. M. , SIGALOV M. V. , MODONOV V. B.
Published: May 2016

Treatment of the title compound (I) with NaNH2 generates sodium vinylthiolate (II) in situ.
ChemInform Abstract: One‐Step Synthesis of Enamine Ketones with a CF3 Group.
Authors: MOSKALEV N. V.
Published: May 2016

The title compounds (IV) are prepared by a novel and convenient procedure.
ChemInform Abstract: Synthesis of an Analogue of Tabtoxinine as a Potential Inhibitor of D‐Alanine:D‐Alanine Ligase (ADP Forming).
Authors: GREENLEE W. J. , SPRINGER J. P. , PATCHETT A. A.
Published: May 2016

Starting with the N‐protected D‐alaninal (I), the synthesis of the (R)‐and (S)‐β‐lactams (II) related to tabtoxinine (III), is described.
ChemInform Abstract: Synthesis of 3‐Cyano‐6‐methyl‐4‐pyridyl‐2(1H)‐pyridinethiones and 2‐Substituted 6‐Methyl‐4‐pyridylpyridine‐3‐carbonitriles (3‐Carboxylic Acid Amides) and Testing Their Cardiovascular Activity.
Authors: HANFELD V. , LEISTNER S. , WAGNER G. , LOHMANN D. , POPPE H. , HEER S.
Published: May 2016

The thiopyridones (I) react with alkyl halides such as (II) to give the thioethers (III) which are hydrolyzed, yielding the amides (IV).
ChemInform Abstract: Reactivity of Azaannulenones.
Authors: GAVINA F. , COSTERO A. M. , ANDREU M. R. , LUIS S. V.
Published: May 2016

The mixture of the polymer‐supported pyrazolinonesulfonates (II) and (III) reacts with the polymer‐bound diene (I) via the intermediate diazacyclopentadiene (VI) to form the cycloadduct (IV).
ChemInform Abstract: Macroheterocycles. Part 40. Dihydroxycryptands.
Authors: LUK'YANENKO N. G. , REDER A. S.
Published: May 2016

Condensation of the diazacrown ethers (I) with the diglycide ethers (II) affords the bicyclic title compounds (III) in fair to high yields along with minor amounts of the tricyclic analogues (IV).
ChemInform Abstract: Metal Cluster‐Induced Electrophilicity of Arenes.
Authors: GALLOP M. A. , JOHNSON B. F. G. , LEWIS J. , WRIGHT A. H.
Published: May 2016

Hydride or carbanion attack on the cluster (I) with the μ3‐η2:η2:η2 arene bonding mode proceeds highly regio‐ and stereo‐selectively at the face‐capping arene ligand.
ChemInform Abstract: 1,5,7‐Triazabicyclo(4.4.0)dec‐5‐ene as Reaction Medium: An Efficient One‐Step Formation of Etioporphyrin from Protoporphyrin.
Authors: KAEMPFEN U. + , ESCHENMOSER A.
Published: May 2016

Heating of the commercially available proto‐ or mesoporphyrin (Ia) or (Ib) in molten TBD leads directly to etioporphyrin (II) via decarboxylation and ‐ in the case of (Ia) ‐ reduction of the vinyl group.
ChemInform Abstract: Enzymes in Organic Synthesis: A New Chiral Synthesis of Mevalonolactone.
Authors: SANTANIELLO E. , CANEVOTTI R. , CASATI R. , CERIANI L. , FERRABOSCHI P. , GRISENTI P.
Published: May 2016

The title compound (III) is prepared from the butanoate (I) via enantioselective hydrolysis.
ChemInform Abstract: Cytochalasan Synthesis: Macrocycle Synthesis Using Intramolecular Diels‐Alder Reactions. X‐Ray Crystal Structure of 10‐Phenyl(11)cytochalasa‐6(7),13t‐diene‐1,21‐dione.
Authors: HARKIN S. A. , JONES R. H. , TAPOLCZAY D. J. , THOMAS E. J.
Published: May 2016

Cytochalasans are a group of biologically active fungal metabolites.
ChemInform Abstract: Synthetic Studies of Luring Substances (Sex Attractants) of Insects. Part 12. Synthesis of the Four Isomers of 4,7‐Tridecadien‐1‐yl Acetate and of (E,Z,Z)‐4,7,10‐Tridecadien‐1‐yl Acetate.
Authors: ISHCHENKO R. I. , KOVALEV B. G.
Published: May 2016

The preparation of the title compounds (III) and (V) is described.
ChemInform Abstract: Fundamental Collisional Processes of Alkali and Alkaline Earth Atoms Studied by Spectroscopic Methods
Authors: HUSAIN D.
Published: May 2016

Review: (Tilden Lecture; 293 refs.
ChemInform Abstract: Magnetic Structures and Properties of α‐CrPO4 (I) and α‐CrAsO4 (II)
Authors: ATTFIELD J. P. , BATTLE P. D. , CHEETHAM A. K. , JOHNSON D. C.
Published: May 2016

are studied by magnetic susceptibility measurements and low‐temp.
ChemInform Abstract: Kinetic Study of the Autocatalytic Nitric Acid‐Bromide Reaction and Its Reverse, the Nitrous Acid‐Bromine Reaction.
Authors: LENGYEL I. , NAGY I. , BAZSA G.
Published: May 2016

The kinetics of the reaction outlined in the scheme is studied, and the overall process is reported to be a true dynamic equilibrium.
ChemInform Abstract: Microcalorimetric Study of the Surface Structure of Graphite‐Supported Iron/Rhodium Catalyst Particles.
Authors: GATTE R. R. , PHILLIPS J.
Published: May 2016

The structure of the surface of bimetallic Fe/Rh particles following various oxidation and reduction treatments is studied by using a Calvet‐type differential adsorption microcalorimeter of novel design and transmission electron microscopy (TEM).
ChemInform Abstract: The Chemical Nature of Alkali‐Promoted Copper‐Cobalt‐Chromium Oxide Higher Alcohol Catalysts
Authors: SHEFFER G. R. , JACOBSON R. A. , KING T. S.
Published: May 2016

is evaluated as a function of calcination temp. by using XRD and XPS.
ChemInform Abstract: A Parity Restriction on Dynamic Gearing Immobilizes the Rotors in Tris(9‐triptycyl)germanium Chloride and Tris(9‐triptycyl)cyclopropenium Perchlorate.
Authors: CHANCE J. M. , GEIGER J. H. , MISLOW K.
Published: May 2016

The reasons for the immobilization of the three 9‐triptycyl rotor groups in each of the title compounds (preparation described) are reported.
ChemInform Abstract: Hypervalent Organoiodine Reagents in the β‐Fragmentation of Bicyclic Carbinolamides Leading to Imides.
Authors: HERNANDEZ R. , MARRERO J. J. , MELIAN D. , SUAREZ E.
Published: May 2016

Irradiation of the carbinolamide (I) with diacetoxyiodobenzene and iodine in methylene chloride forms the iodoalkylimide (II).
ChemInform Abstract: A Kinetic Study of the Photosolvolysis of 9‐Fluorenol.
Authors: GAILLARD E. , FOX M. A. , WAN P.
Published: May 2016

The photochemistry of (I) in MeOH and MeOH‐H2O mixtures is reexamined using time‐resolved spectroscopic techniques and is found to be more complex than previously suggested.
ChemInform Abstract: Enynones in Organic Synthesis. Part 2. An Electron Transfer‐Mediated Synthesis of Methylenecyclopentenones.
Authors: JACOBI P. A. , ARMACOST L. M. , KRAVITZ J. I. , MARTINELLI M. J.
Published: May 2016

The cyclization of enynones such as (I) or (III) to give methylenecyclopentenones such as (II) or (IV) is performed under various conditions.
ChemInform Abstract: α,α‐Difluoro Ketone Inhibitors of HMG CoA Reductase.
Authors: DREYER G. B. , METCALF B. W.
Published: May 2016

Starting with the (o‐bromomethyl)phenyl ether (IV), the difluoro ketone (VIII) is prepared.
ChemInform Abstract: Drastic Conversion of Bicyclo(m.n.0)alkane Rings to Spirocyclic Skeletons.
Authors: NAGUMO S. , SUEMUNE H. , SAKAI K.
Published: May 2016

The bicyclic 1‐oxoalkyl ketones (I), (V), or (VIII) react with ethylene glycol (II) in the presence of boron trifluoride etherate to form mixtures of the spirocyclic hydroxyethyl esters (III), (VI), or (IX) and the tricyclic β,γ‐unsaturated ketones (IV), (VII), or (X).
ChemInform Abstract: Substitution of Reactive Chloro Atoms in 1,3‐Disubstituted Dihydro‐4,6(1H,5H)‐pyrimidinediones. Part 2.
Authors: RIED W. , NENNINGER H.
Published: May 2016

Careful hydrolysis of the tetrachlorohexahydropyrimidinediones (I) with a very small amount of water yields the dichlorotriones (II) which are converted to the derivatives (IV) and (VI) as outlined in the reaction scheme.
ChemInform Abstract: A Simple and Versatile Synthesis of Trimethylsiloxy‐Substituted Isocyanates.
Authors: MORMANN W. , LEUKEL G.
Published: May 2016

Hydroxylamine, amino alcohols, 4‐aminophenol, and 4‐aminobenzoic acid (Ia) ‐ (Ic) are converted to the O‐trimethylsilyl derivatives (III) which react with the high‐boiling isocyanate (IV), forming the trimethylsiloxy isocyanates (VIa) ‐ (VIc).
ChemInform Abstract: Radical Reactions of (2‐Trimethylsilylallyl)triphenylstannane with Alkyl Halides: A Neutral Acetone Enolate Equivalent.
Authors: LEE E. , YU S.‐G. , HUR C.‐U. , YANG S.‐M.
Published: May 2016

The 1‐(bromovinyl)trimethylsilane (IV), prepared from vinyl bromide (I) via Grignard reaction with trimethylchlorosilane (II) and bromination, reacts with tert‐butyllithium and formaldehyde (V) to give 2‐trimethylsilylallyl alcohol (VI).
ChemInform Abstract: Monomeric Phosphinoboranes: Synthesis of a Tetraalkylphosphinoborane and Its Conversion into a Dimeric Phosphinoborane via Retro‐ and Rehydroboration, and Synthesis of a Triphosphinoborane.
Authors: KARSCH H. H. , HANIKA G. , HUBER B. , RIEDE J. , MUELLER G. +
Published: May 2016

Coupling of bis(tert‐butyl)bromoborane (I) with lithium bis(tert‐butyl)phosphide (II) at ‐78°C leads to the formation of the monomeric tetra(tert‐butyl)phoshinoborane (III) which is stable below ‐20°C. Above this temperature, (III) decomposes via retro‐hydroboration and elimination of isobutene (VI), and subsequent rehydroboration and dimerization, forming the bis(phosphinoborane) (VIII).
ChemInform Abstract: Stereoselective Synthesis of Di‐ and Trisubstituted Alkenylstannanes and 2‐(Trimethylstannyl)‐1,3‐butadienes. Conversion of the Trisubstituted Alkenylstannanes to the Tetrasubstituted Alkenes.
Authors: WANG K. K. , CHU K.‐H. , LIN Y. , CHEN J.‐H.
Published: May 2016

Tri‐ and disubstituted alkenylstannanes such as (III) and (IV) ‐ among them 2‐(trimethylstannyl)‐1,3‐butadiene derivatives such as (IIIc) or (IVc), for which only a few synthetic methologies are reported ‐ are prepared starting from the known borane intermediates (I).
ChemInform Abstract: Organometallic Nitrosyl Chemistry. Part 38. Insertions of Electrophiles into Metal‐Carbon Bonds: Formation of New Carbon‐Nitrogen Linkages Mediated by the (η5‐Cyclopentadienyl)dinitrosylchromium Group.
Authors: LEGZDINS P. , RICHTER‐ADDO G. B. , WASSINK B. , EINSTEIN F. W. B. , JONES R. H. , WILLIS A. C.
Published: May 2016

Electrophiles such as (NO)PF6 (II), (NS)PF6 (VI), and (ArN2)BF4 (VII) undergo unprecedented insertions into the Cr‐C σ bonds of (η5‐C5H5)Cr(NO)2R complexes e.g. (I) and (IX) to give the cationic complexes (III) + (IV), (V), and (VIII), respectively.
ChemInform Abstract: Complexes of Ruthenium(II) with bpmRe(CO)3Cl and HAT(Re(CO)3Cl)2 as Ligands: Syntheses and Redox and Luminescence Properties.
Authors: SAHAI R. , RILLEMA D. P. , SHAVER R. , VAN WALLENDAEL S. , JACKMAN D. C. , BOLDAJI M.
Published: May 2016

The complexes (IIIb), (IIIc) and (IV) are prepared analogously to (IIIa), starting with the appropriate Ru compound.
ChemInform Abstract: Rhodium(III) Cage Compounds Based on Diphenylglycoluril.
Authors: NIELE F. G. M. , MARTENS C. F. , NOLTE R. J. M.
Published: May 2016

Metallo hosts containing an intramolecular cavity as well as a potentially active Rh center are synthesized from the concave building block 3a,6a‐diphenylglycoluril and its 1,3:3,4‐bis(1,4‐dihydroxy‐2,3‐xylylene) derivative (IIId).
ChemInform Abstract: Forskolin: Some Studies on Ring B Forming Reactions.
Authors: NEUNERT D. , KLEIN H. , WELZEL P.
Published: May 2016

The base‐catalyzed cyclization of the epoxysulfone (VIII), obtained from the trans product (IV), leads to formation of a five‐membered compound whose subsequent work‐up gives the indenone (X).
ChemInform Abstract: Analogues of Biological Active Compounds. Part 2. Synthesis of N‐(4‐(3‐Oxo‐6‐amino‐2,3‐dihydro‐1,2,4‐benzotriazin‐2‐yl)benzoyl)‐L‐glutamic Acid.
Authors: SLOUKA J.
Published: May 2016

Diazotization of N‐(4‐aminobenzoyl)‐L‐glutamic acid (I) and subsequent coupling of the diazonium salt with ethyl N‐(3‐aminophenyl)carbamate (II) produces the azo compound (III).
ChemInform Abstract: Protective Groups That Incorporate a 4‐Pentenyl Acetal Moiety can be Cleaved Under Neutral Conditions.
Authors: WU Z. , MOOTOO D. R. , FRASER‐REID B.
Published: May 2016

4‐Pentenol (I) is converted to the chloromethyl ether (III) which reacts with various alcohols, e.g. (IV), to form formaldehyde acetals, e.g. (V).
ChemInform Abstract: Preparation of Trifluoromethylated Compounds via Anodic Oxidation of 4,4,4‐Trifluoro‐3,3‐dimethoxybutyric Acid.
Authors: KUBOTA T. , ISHII T. , MINAMIKAWA H. , YAMAGUCHI S. , TANAKA T.
Published: May 2016

Kolbe electrolysis of the dimethoxytrifluorobutyric acid (I) gives the bisacetal (II) which is treated with TiCl4 to form the dichlorides (III).
ChemInform Abstract: Organotin and Organomercury Routes to Enones, Dienones and Spiroacetals.
Authors: O'SHEA M. G. , KITCHING W.
Published: May 2016

Conjugate addition of the organotinlithium (II) to the cyclohexenone (I) followed by enolate trapping with H2O or MeI (III) provide the cyclohexanones (IV) which diastereoselectively afford the stannylcyclohexanols (VI) or reaction with Grignard reagents (V).
ChemInform Abstract: General Approach to the Synthesis of Polyquinenes. Part 8. Synthesis of Triquinacene, 1,10‐Dimethyltriquinacene, and 1,10‐Cyclohexanotriquinacene.
Authors: GUPTA A. K. , LANNOYE G. S. , KUBIAK G. , SCHKERYANTZ J. , WEHRLI S. , COOK J. M.
Published: May 2016

Triquinacene (IXa) is synthesized starting from a Weiss reaction of glyoxal (I) with the oxoglutarate (II) via the intermediates shown in the scheme.
ChemInform Abstract: Drastic Base Dependence of Products in Photolysis of 1‐(p‐Methoxyphenyl)‐2,2‐diphenylvinyl Bromide. ipso‐Substitution by Alkoxide Ions.
Authors: KITAMURA T. , KABASHIMA T. , KOBAYASHI S. , TANIGUCHI H.
Published: May 2016

Irradiation of the bromotriarylalkene (I) in the presence of the alcohols (II) gives the vinylic ethers (III).
ChemInform Abstract: Regioselective Aldol Condensations of Boron and Tin Furanolates with Aldehydes: An Improved Synthesis of 2‐(1′‐Hydroxyalkyl)butenolides.
Authors: JEFFORD C. W. , JAGGI D. , BOUKOUVALAS J.
Published: May 2016

Treatment of the α‐angelica lactone (I) with dicyclopentylboron triflate (II) yields the boron furanolate (III) which is directly coupled with the aldehydes (IV) to give regioselectively the alcohols (V).
ChemInform Abstract: Synthesis of 2‐(2‐Thienyl)pyridine and Some of Its Derivatives.
Authors: IVANOV A. P. , LEVIN D. Z. , PROMONENKOV V. K. , MORTIKOV E. S.
Published: May 2016

In the presence of cobaltocene, the reaction between 2‐cyanothiophene (Ia) or its bromo derivatives (Ib) or (Ic) and acetylene (II) affords the title compound (IIIa) or its bromo analogues (IIIb) and (IIIc).
ChemInform Abstract: One‐Pot Synthesis of 7‐(1,2‐Dihydro‐4‐hydroxy‐1‐methyl/phenyl‐2‐oxo‐3‐quinolinyl)‐5,7‐dihydro‐5‐methyl/phenyl‐6H‐(1)‐benzopyrano(3,2‐c)quinolin‐6‐ones.
Authors: RAO V. S. , DARBARWAR M.
Published: May 2016

The complex heterocycles (III) mentioned in the title are prepared by acid‐mediated cyclocondensation reaction of the salicylaldehydes (II) with two equivalents of the 4‐hydroxyquinolin‐2‐ones (I).
ChemInform Abstract: Reaction Between Thiophosgene and Trialkyl Phosphites.
Authors: MASSON S. , SENE A. , HUTCHINSON D. W. , THORNTON D. M.
Published: May 2016

Reaction of the phosphites (Ia) ‐ (Ic) with thiophosgene (II) at a low temperature yields mixtures of the ylides (IIIa) ‐ (IIIc), the bisphosphonates (IVa) ‐ (IVc), and the phosphorous and phosphoric esters (Va) ‐ (Vc) and (VIa) ‐ (VIc).
ChemInform Abstract: Reaction of Elemental Phosphorus with Phenols.
Authors: IVANOV B. E. , BADEEVA E. L. , KROKHINA S. S.
Published: May 2016

The products of the reaction between phenols and elemental phosphorus (III) in the presence of carbon tetrachloride (IV) depend on the pK value of the phenol.
ChemInform Abstract: Organophosphorus Chemistry. Part 10. The Behaviour of β‐Aroylacrylic Acids Towards Nucleophilic Phosphorus Compounds.
Authors: MAHRAN M. R. , ABDOU W. M. , GANOUB N. A. F. , SIDKY M. M.
Published: May 2016

Addition reaction of the alkyl phosphites (IIa) and (IIb) with the benzoylacrylic acids (Ia) and (Ib) yields the phosphonic acid derivatives (IIIa) ‐ (IIId).
ChemInform Abstract: 1‐Organo‐4,4‐dimethyl‐1,4‐phosphastanninanes.
Authors: WEICHMANN H. , RENSCH B. , DARGATZ M. , MEUNIER‐PIRET J.
Published: May 2016

The hitherto unknown title compounds (III), cyclic analogues of P/Sn compounds with interesting reactivity and stereochemical behavior, are prepared as shown and transformed to their derivatives (IV)‐(VI) and (VIII).
ChemInform Abstract: Studies on Cyclodiphosphazanes: Some Reactions of Active Methylene Group‐Containing Compounds.
Authors: SALMAN A. A. , ABD‐ELLAH I. M. , EL‐KHAZANDAR A. N. , ABD EL‐WAHAB Z. H.
Published: May 2016

The cyclodiphosphazanes (Ia) ‐ (Id) react with the sodioacetoacetate (II) to give the substitution products (III) ‐ (V).
ChemInform Abstract: Ternary Chromium(III)‐Histidine‐Nucleotide Complexes.
Authors: VICENS M. , PRATS M. , FIOL J. J. , TERRON A. , MORENO V.
Published: May 2016

The first ternary 1:1:1 Cr(III)‐histidine‐nucleotide complexes of cytidine, adenosine, guanosine, and inosine 5'‐monophosphate containing in addition one EtOH ligand are synthesized from (Cr(His)2)Cl3 and the disodium salt of the nucleotide.
ChemInform Abstract: Tetra‐tert.‐butylpentafulvalene as Ligand in Dinuclear Carbonyl Complexes of Chromium, Molybdenum, Tungsten, and Iron.
Authors: JUTZI P. , SCHNITTGER J.
Published: May 2016

The homodinuclear complexes (IIIa)‐(IIId) are obtained by reaction of the pentafulvalene (I) with the Cr‐tricarbonyl (II), with its W analogue, with Mo(CO)6, or Fe(CO)5 in refluxing solutions.
ChemInform Abstract: Synthesis of 2‐Methylpyrrolo(1,2‐a)pyrazin‐1(2H)‐one.
Authors: BRIMBLE M. A. , BRIMBLE M. T. , HODGES R. , LANE G. A.
Published: May 2016

Cyclization of the acetal (II) according to A) does not give the title compound (I) but the bicyclic system (III).
ChemInform Abstract: Synthesis and Biodistribution of p‐Iodophenyl Analogues of a Naturally Occurring Imidazole Ribonucleoside.
Authors: SUGGS J. A. , SRIVASTAVA P. C.
Published: May 2016

The activated ester (II), which is prepared by known methods, reacts with 4‐iodoaniline (III) to give the anilide (IV).
ChemInform Abstract: Enzymatic Resolutions of Chiral N‐Alkoxyoxaziridine‐3,3‐dicarboxylic Esters.
Authors: BUCCIARELLI M. , FORNI A. , MORETTI I. , PRATI F.
Published: May 2016

Enzymatic hydrolysis of the racemic diesters (±)‐(I) yields the monoacids (II), together with the (+)‐diesters (I).
ChemInform Abstract: Decarboxylative Incorporation of α‐Oxobutyrate and α‐Oxovalerate into (R)‐α‐Hydroxyethyl and n‐Propyl Ketones on Reaction with Aromatic and α,β‐Unsaturated Aldehydes in Bakers′ Yeast.
Authors: FUGANTI C. , GRASSELLI P. , POLI G. , SERVI S. , ZORZELLA A.
Published: May 2016

Treatment of the α‐keto acids (II) with Bakers' yeast results in decarboxylation.
ChemInform Abstract: AgNb3O8‐II, a High‐Pressure Phase with a Novel Tunnel Structure
Authors: RANGE K.‐J. , WILDENAUER M.
Published: May 2016

is prepared from the normal pressure modification AgNb3O8‐I (35 kbar, 1100 °C, 30 min; quenching).
ChemInform Abstract: Synthesis of a Highly Reactive (Benzyne)ruthenium Complex: C‐C, C‐H, N‐H, and O‐H Activation Reactions.
Authors: HARTWIG J. F. , ANDERSEN R. A. , BERGMAN R. G.
Published: May 2016

The electron‐rich title complex (II) is formed by a process typical of other low‐valent late transition‐metal complexes but its reactions are either unprecedented or similar to those seen with electrophilic d0 benzyne complexes (see scheme).
ChemInform Abstract: Reflectance and Structure Changes of Iridium Oxide Films by Reduction
Authors: SATO Y. , YANAGIDA M. , YAMANAKA H. , TANIGAWA H.
Published: May 2016

are investigated in connection with their application to optical data storage media.