bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Aluminum Triiodide: A Convenient Reagent for Deoxygenation of Oxiranes.
Authors: SARMAH P. , BARUA N. C.
Published: May 2016

The oxiranes (I) are deoxygenated with aluminum triiodide, forming the alkenes (III) via the iodohydrins (II).
ChemInform Abstract: Conversions of 2′,3′‐Epoxy Derivatives of Adenosine by Cyanate and Thiocyanate Anions.
Authors: SIVETS G. G. , KVASYUK E. I. , MIKHAILOPULO I. A.
Published: May 2016

Depending on the work‐up conditions the reaction between the ribofuranosyladenine (I) and KOCN in the presence of BF3·Et2O and crown ether affords mixtures of the xylofuranosyladenine (V) and its 5'‐methoxycarbonyl derivative (IV) or (V) as the sole product.
ChemInform Abstract: Synthesis of Spirocyclopropylcyclopentane Derivatives as Precursors for Analogues of Icosanoids.
Authors: JONES S. W. , MIDDLEMISS D. , NEWTON R. F. , SCHEINMANN F. , WAKEFIELD B. J.
Published: May 2016

Cyclopropyl analogues of prostaglandins and other icosanoids are of interest for biological and photochemical studies, because the cyclopropyl group can block metabolic pathways and affect the photochemical properties of these compounds.
ChemInform Abstract: Synthesis and Biological Evaluation of New C(4) Heterofunctionalized Monocyclic β‐Lactams Derived from Penicillin G.
Authors: MARCHAND‐BRYNAERT J. , LAUB R. , DE MEESTER F. , FRERE J.‐M.
Published: May 2016

Starting from the thiazoline‐azetidinone (I), a useful chiral synthon derived from natural penicillin G, a variety of ca. 60 β‐lactams such as (II) possessing a thiocarbonyl or sulfonyl substituent as a potentially good leaving group are prepared by common methods and their antibiotic properties are tested; only (IIa) and (IIb) exhibit a weak antibacterial effect.
ChemInform Abstract: Synthesis and Structure of K2Au3, a New Phase in the Potassium‐Gold System.
Authors: KRIEGER‐BECK P. , BRODBECK A. , STRAEHLE J. +
Published: May 2016

The title compound is prepared by annealing a mixture of the elements (1000 °C, 2 h, sealed Ta‐ampoule, argon).
ChemInform Abstract: Electrical Conductivity of the Spinel CoFe2O4 Solid Solution.
Authors: LEE D. Y. , KIM D. , KIM K. H. , CHOI J. S.
Published: May 2016

CoFe2O4 solid solutions containing up to 50 mol% CoO are synthesized and their structures are studied by XRD and Moessbauer spectroscopy.
ChemInform Abstract: Identification of a Soluble Form of Colloidal Manganese(IV).
Authors: PEREZ‐BENITO J. F. , BRILLAS E. , POUPLANA R.
Published: May 2016

Potassium permanganate is reduced by thiosulfate in neutral aqueous solution according to the stoichiometry outlined in the scheme (experimental conditions: reductant/oxidant ratio: 0.39,(MnO4‐):4 M,(S2O32‐):2.5·10‐5‐4·10‐4 M).
ChemInform Abstract: Photochemistry. Part 154. Photochemical Rearrangements of Molecules Having Quenchers on a Chain. Mechanistic and Exploratory Organic Photochemistry.
Authors: ZIMMERMAN H. E. , WEBER A. M.
Published: May 2016

The effect of a quencher side chain (cf.
ChemInform Abstract: Stereo‐ and Regioselective Palladium‐Catalyzed 1,4‐Dialkoxylation of Conjugated Dienes.
Authors: BAECKVALL J.‐E. + , VAGBERG J. O.
Published: May 2016

The 1,3‐dienes (I) undergo 1,4‐dialkoxylation with aliphatic alcohols such as (II) in the presence of p‐benzoquinone as an oxidant.
ChemInform Abstract: (4 + 2)Cycloaddition Reaction of Substituted 2‐Pyrones with Maleimides and Stability of the Adducts.
Authors: SHIMO T. , YOSHIMURA H. , SUISHU T. , SOMEKAWA K.
Published: May 2016

Diels‐Alder reaction of the pyrones (I) with the maleimides (II) results in the formation of the 1:1‐endo adducts (III) or the decarboxylated 1:2‐endo‐endo adducts (IV) or a mixture of both depending on the electronic structure of the pyrones, the reaction time, and the reflux temperature.
ChemInform Abstract: Synthesis and β‐Adrenergic Antagonism of 2‐(Aryloxy)‐1‐(2‐piperidyl)ethanols.
Authors: MAULEON D. , PUJOL M. D. , ROSELL G.
Published: May 2016

Ring opening of the epoxide (I) with the sodium salts of the phenols (II) yields the aryloxyhydroxyethylpyridines (III).
ChemInform Abstract: Topical Nonsteroidal Antipsoriatic Agents. Part 2. 2,3‐(Alkylidenedioxy)naphthalene Analogues of Lonapalene.
Authors: VENUTI M. C. , LOE B. E. , JONES G. H. , YOUNG J. M.
Published: May 2016

Diels‐Alder reaction of chloroprene (I) with the benzoquinones (II) gives the adducts (III) which are oxidized to yield the naphthoquinones (IV).
ChemInform Abstract: Synthesis of 3,6‐Dichloro‐4‐(2‐chloro‐1,1‐dimethylethyl)pyridazine.
Authors: HACKLER R. E. , DREIKORN B. A. , JOHNSON G. W. , VARIE D. L.
Published: May 2016

The title compound (IV), a systemic plant fungicide, is prepared by several routes.
ChemInform Abstract: Unexpected Regiochemistry in the Reaction of Benzotriazole with KBH4: Synthesis of a New Class of Poly(azolyl)borate Ligands.
Authors: LALOR F. J. , MILLER S. , GARVEY N.
Published: May 2016

Potassium borohydride (II) reacts with molten benzotriazole (I), producing the poly(benzotriazol‐1‐yl)borate salts (III) ‐ (V).
ChemInform Abstract: Cyclic λ5σ5(σ6)P‐Derivatives of Phosphonic and Phosphinic Acid and the Hypothetical Phosphane Oxide.
Authors: BOHLEN R. , FRANCKE R. , ROESCHENTHALER G.‐V. +
Published: May 2016

The trifluorophospholane (I) is converted to the hydro derivatives (III), (V), and (VI) by subsequent fluorine/hydrogen exchange.
ChemInform Abstract: Organometallic Precursors to AlN: Synthesis and Crystal Structures of ((CH3)2AlNH2)3 and the Planar Species ((t‐C4H9)2AlNH2)3.
Authors: INTERRANTE L. V. , SIGEL G. A. , GARBAUSKAS M. , HEJNA C. , SLACK G. A.
Published: May 2016

The crystal and molecular structures of the trimeric title compounds (III) (space group P21/c, Z=4) and (V) (R3c, Z = 6) are determined by X‐ray diffraction in connection with their investigation as precursors to aluminum nitride.
ChemInform Abstract: Novel Reactions of the (BPh4)‐ Salt of the Bifunctional Complex ((triphos)Rh(S2CO))+ (triphos: MeC(CH2PPh2)3): One‐Electron Reduction, Cleavage of B‐H and B‐C Bonds, and Metathesis of CS2‐like Heteroallene Molecules.
Authors: BIANCHINI C. , MELI A. , LASCHI F. , VIZZA F. , ZANELLO P.
Published: May 2016

The redox properties of the complex salt (I) are studied.
ChemInform Abstract: Phosphino Sulfoxide Rhodium Complexes. Synthesis, Crystal Structure, and Catalytic Chemistry of ((2,3,5,6‐η)‐Bicyclo(2.2.1)hepta‐2,5‐diene)(P,O‐diphenyl(phenylsulfinylmeth# yl)phosphine)rhodium(I) Trifluoromethanesulfonate and Asymmetric Analogues.
Authors: ALCOCK N. W. , BROWN J. M. , EVANS P. L.
Published: May 2016

The α‐phosphino sulfoxide (III), prepared by coupling the aryl methyl sulfoxides (II) with diphenylchlorophosphine (I), are transformed into the cationic rhodium(I) complexes (V) and (VII).
ChemInform Abstract: Characterization and Recycle Experiments on the Dicarbonyl Triiodide Iridium(II) Intermediate in the Carbonylation of Ethanol to Propionic Acid.
Authors: PADHYE S. , YERANDE R. , PATIL R. P. , KELKAR A. A. , CHAUDHARI R. V.
Published: May 2016

The anionic Ir(II) species stabilized as its isochinoline salt (I) is isolated as an intermediate on the carbonylation of ethanol using IrCl3·3 H2O as a catalyst precursor with HI as a promoter in the presence of isochinoline (55 atm, 200 °C).
ChemInform Abstract: Molecular Recognition with Convergent Functional Groups. Part 7. Energetics of Adenine Binding with Model Receptors
Authors: WILLIAMS K. , ASKEW B. , BALLESTER P. , BUHR C. , JEONG K. S. , JONES S. , REBEK J. JUN.
Published: May 2016

(i.e.
ChemInform Abstract: Evidence for Spontaneous, Low‐Temperature Biradical Formation from a Highly Reactive Neocarzinostatin Chromophore‐Thiol Conjugate.
Authors: MYERS A. G. , PROTEAU P. J.
Published: May 2016

Methyl thioglycolate (II) adds to the antitumor antibiotic neocarzinostatin chromophore (I) to initially give (III), which is stable for days under argon at ‐70 °C. Intermediate (III) rapidly decays at ‐38 °C and above to produce the major products (VI) and (VII) via the monoradical (IV) and the diradical (V), resp., indicated by 2H incorporation at C‐2 and C‐6 of (VII) to the extent of 35 ±5% and at C‐2 of (VI) to the same degree.
ChemInform Abstract: Ionic Reorientations and Phase Transition in Solid IF6AsF6.
Authors: ALBERT S. , RIPMEESTER J. A.
Published: May 2016

The temp. dependence of the 19F static and rotating frame spin‐lattice relaxation times (T1 and T1ρ) of solid IF6AsF6 is studied in the range 213‐393 K. The results indicate the presence of a phase transition at 350 K and a supercooled high temp. phase.
ChemInform Abstract: Molecular Orbital Calculations on Oxygen Deficient YBa2Cu3O7‐x Clusters.
Authors: D'HEER J. , HOSTE S. , VAN DER KELEN G. P.
Published: May 2016

Charge‐iterative EHMO calculations on various clusters, representing the YBa2Cu3O7‐x (0 < x < 1) superconducting material, suggest the transport of charge to occur in the CuO2 planes rather than in the CuO chains.
ChemInform Abstract: The Hydrous Niobium(V) Oxide Ion Exchanger. Part 5. Effect of Heat Treatment on the Sodium Isotopic Exchange Rates Between Hydrous Niobium(V) Oxide in Na+ Form and Aqueous Solutions.
Authors: INOUE Y. , YAMAZAKI H. , IKEDA M.
Published: May 2016

Radiochemical measurements of the sodium isotopic exchange rates of the Nb2O5 exchanger in Na+ form indicate that the rate is controlled by particle diffusion and increases with increasing temp. of the heat‐treatment in air.
ChemInform Abstract: Kinetic Measurements of LaNi5Hx and MmNi4.15Fe0.85Hx with Constant Pressure Differentials.
Authors: JOSEPHY Y. , RON M.
Published: May 2016

The hydrogen desorption kinetics of the title compounds are studied in the temp. range 20‐60 °C by isothermal experiments with constant pressure differentials allowing to obtain reaction rates that depend on temp. only.
ChemInform Abstract: Hydrothermal Synthesis of Gallium Orthophosphate Crystals.
Authors: HIRANO S. , KIM P.
Published: May 2016

α‐Quartz‐type GaPO4 single crystals are prepared by hydrothermal treatment (150‐180 °C, 14.7 MPa, 4 M H3PO4) of GaPO4 particles obtained by solid state reaction of Ga2O3 and NH4H2PO4 and the solubility of GaPO4 is measured under hydrothermal conditions over the ranges 150‐300 °C and 14.7‐44.1 MPa.
ChemInform Abstract: A New Approach to Conjugated Dienes. Synthesis of the Pheromones of Lobesia botrana and Bombyx mori.
Authors: ALEXAKIS A. , JACHIET D.
Published: May 2016

Cis‐ or trans‐configurated epoxysilanes such as (I) or (VI) can be opened regio‐ and stereospecifically by (Z)‐alkenyl cuprates in the presence of BF3·Et2O. The products, i.e. erythro or threo β‐hydroxysilanes, are transformed to (E,Z)‐ or (Z,Z)‐conjugated dienes of high stereoisomeric purity (≥ 97%) by acidic (conditions A)) or basic (conditions B)) elimination.
ChemInform Abstract: Synthesis of Terephthalic Acids Containing Polyfluoroalkyl Groups.
Authors: KUWABARA M. , MURAKAMI A. , FUKUNISHI K. , NOMURA M. , YAMANAKA H.
Published: May 2016

Bromination of the mixture of polyfluoroalkyl‐substituted 1,4‐cyclohexa‐dienes (III) and (IV), obtained by Diels‐Alder reaction of the polyfluoro‐2‐alkynoic acids (I) with isoprene (II), gives an unseparable mixture of the dibromides (V) and (VI).
ChemInform Abstract: New Skeletal Rearrangements via a Constrained Cyclopropyldicarbinyl Diradical Generated in the Photodecarbonylation of 2,4‐Diphenyltetracyclo(3.3.2.02,4.03,7)deca‐9‐ene‐6,8‐dione.
Authors: TAKAHASHI K. , MIKAMI E. , TAKASE K. , TAKAHASHI T.
Published: May 2016

Photolysis of the polycyclic diketone (I) gives the cleavage products (II) and (III) and the intermediate ketene (IV).
ChemInform Abstract: Reaction of Dithio‐Substituted Cinnamyllithium with Carbonyl Compounds: A Test of the HSAB Principle.
Authors: FANG J.‐M. , CHEN M.‐Y. , YANG W.‐J.
Published: May 2016

The cinnamyldithiane (I) is deprotonated to give the salt (III) which reacts with the carbonyl compounds (IV) to produce mixture of the α‐(V) and γ‐adducts (VI).
ChemInform Abstract: Synthesis of Medium‐Sized Cyclic Lactones: Application to the Synthesis of 15‐Pentadecanolide and Phoracantholide I.
Authors: COSSY J. , PETE J.‐P.
Published: May 2016

The most advantageous procedure for the synthesis of the title compounds (IVa) and (IVb) uses commercially available starting materials (I) and (III).
ChemInform Abstract: (2‐(Trimethylsilyl)ethylidene)tris(2‐methylphenyl)phosphorane, a Modified Seyferth‐Wittig Reagent for the Stereoselective Syntheses of Z‐Allyltrimethylsilanes.
Authors: IIO H. , ISHII M. , TSUKAMOTO M. , TOKOROYAMA T.
Published: May 2016

The tris(o‐tolyl)phosphonium iodide (I) is treated with butyllithium to form the ylide mentioned in the title.
ChemInform Abstract: Synthesis, Structure, and Reactions of 1,2,3,6‐Tetrahydro‐1,2,3,6‐diphosphadiborine Derivatives.
Authors: DRIESS M. , PRITZKOW H. , SIEBERT W.
Published: May 2016

The temp.‐dependent 1H NMR spectra of the title compound (IIIb) exhibit a lowered barrier of inversion at phosphorus and X‐ray structure analysis (space group P2/c, Z=2) shows, that the six‐membered ring is nonplanar and the P atoms are coordinated pyramidal.
ChemInform Abstract: Synthetic Applications of Trialkylaluminum Reagents: Alkylation and Reduction of Transition‐Metal‐Complexed π‐Hydrocarbon Ligands.
Authors: GAUDET M. V. , HANSON A. W. , WHITE P. S. , ZAWOROTKO M. J.
Published: May 2016

The interaction of trialkylaluminum compounds (II) or (VII) with metal complexes (I) or (VI) initially gives "liquid clathrate" phases (III) or (VIII).
ChemInform Abstract: Reactions of Germanium‐Nitrogen Compounds (Germylamines, Cyclogermazanes, and Germaimine Intermediates) with 3,5‐Di(tert‐butyl)orthoquinone.
Authors: RIVIERE‐BAUDET M. , RIVIERE P. , KHALLAAYOUN A. , SATGE J. , RAUZY K.
Published: May 2016

The germylamine (II) is treated with the o‐quinone (I) mentioned in the title.
ChemInform Abstract: The Electrochemical Oxidation of Silver in Chromate Solutions
Authors: DRUSKOVICH D. M. , RITCHIE I. M. , SINGH P. , ZHANG H.‐G.
Published: May 2016

and the subsequent reduction of the Ag2CrO4 formed are investigated by using linear potential sweep voltammetry as the main technique.
ChemInform Abstract: Preparation and Properties of the Hydrazinates of Rare Earth Metal Tetrahydroborates.
Authors: KURBONBEKOV A. , ALIKHANOVA T. KH. , MIRSAIDOV U.
Published: May 2016

The preparation of the novel title compounds (III) is described in detail.
ChemInform Abstract: New Layered Phases Achieved with Centered Zirconium Chloride Clusters. The Stoichiometry Zr6Cl16.
Authors: ZIEBARTH R. P. , CORBETT J. D.
Published: May 2016

Reaction of stoichiometric amounts of Zr powder, ZrCl4, NaCl, and Be flakes plus a 40% excess of NaCl at 800 °C (2 weeks) in a closed Ta container results in the new compound (I) in nearly quantitative yield.
ChemInform Abstract: Novel Lithium Tantalates and Niobates.
Authors: NALBANDYAN V. B. , SHUKAEV I. L.
Published: May 2016

Reaction between Li2CO3 and M2O5 (M: Nb, Ta) is investigated between 650 and 1150 °C. Repeated sintering of the mixtures at 950 °C affords the novel title compounds 4 Li2O·M2O5 and 5 Li2O·M2O5, whose X‐ray powder diagrams are nearly identical.
ChemInform Abstract: New Organocopper Reagents Prepared Utilizing Highly Reactive Copper.
Authors: RIEKE R. D. , WEHMEYER R. M. , WU T.‐C. , EBERT G. W.
Published: May 2016

Highly reactive copper solutions are prepared by one of the methods A) or B) outlined in the scheme.
ChemInform Abstract: Boron Fluoride Promoted Cleavage of Acetals by Organocopper Reagents. Application to Asymmetric Synthesis.
Authors: NORMANT J. F. , ALEXAKIS A. , GHRIBI A. , MANGENEY P.
Published: May 2016

In the presence of BF3, organocopper and cuprate reagents such as (II) promote the substitution of one alkoxy group of acetals such as (I).
ChemInform Abstract: Novel Stereoselective Route to cis‐Chrysanthemic Acid.
Authors: KRIEF A. , SURLERAUX D. , FRAUENRATH H.
Published: May 2016

2,2,5,5‐Dimethylcyclohexane‐1,3‐dione (I), prepared from dimedone and methyl iodide, reacts consecutively with potassium tert‐butoxide and bromine to form the bicyclo(3.1.0)hexanedione (II).
ChemInform Abstract: Cycloaddition of Perfluorovinyl Ethers to Dienes.
Authors: GLAZKOV A. A. , IGNATENKO A. V. , KRUKOVSKII S. P. , PONOMARENKO V. A.
Published: May 2016

Cycloaddition reaction of the perfluorovinyl ethers (I) with butadiene (II) produces the cyclobutane derivatives (III) as a mixture of stereoisomers.
ChemInform Abstract: The Synthesis of 2,3‐Disubstituted Cyclopentenones Using the Ramberg‐Baecklund Reaction in Conjunction with Organocopper Chemistry.
Authors: CASY G. , TAYLOR R. J. K.
Published: May 2016

An improved synthetic procedure for the preparation of 2,3‐dialkylated 2,3‐dihydrothiin‐4‐ones such as (III) is described.
ChemInform Abstract: The Chemistry of Benzotriazole. Part 9. A Conceptually New Approach to the Synthesis of Secondary Amides and Thioamides.
Authors: KATRITZKY A. R. , DREWNIAK M. , LUE P.
Published: May 2016

The benzotriazolyl (thio)amides (I), prepared by condensation reaction of benzotriazole (IV), aldehydes, and (thio)amides, undergo substitution reaction with the Grignard reagents (II), producing the secondary (thio)amides (III).
ChemInform Abstract: Synthesis of Some New Halohydroxymethylflavones.
Authors: GURAV V. M. , INGLE D. B.
Published: May 2016

Oxidative cyclocondensation of the chalcones (I) upon treatment with SeO2 affords the chromones (II).
ChemInform Abstract: Synthesis of Aryl‐Substituted Pyridines by Liquid‐Phase Condensation of Aldehydes with Urea Catalyzed by Transition Metal Complexes.
Authors: DZHEMILEV U. M. , SELIMOV F. A. , AKHMETOV A. ZH. , FATYKHOV A. A.
Published: May 2016

Cocondensation of the (het)aromatic aldehydes (I) with butyraldehyde (II) in the presence of urea (III) and a Co(II)/triethylaluminum catalytic system gives the (het)arylpyridines (IV), together with the diethylpropylpyridine (V).
ChemInform Abstract: Preparation of New Nitrogen‐Bridged Heterocycles. Part 19. Smooth Syntheses of Thieno(3,2‐a)‐ and Thieno(2,3‐b)indolizine Derivatives.
Authors: KAKEHI A. , ITO S. , FUJII T. , MORIMOTO Y. , MATSUMOTO S. , SHIOHARA M.
Published: May 2016

The cyclization of the indolizines (III), having an acyl and/or cyano group at the 1‐ and 3‐positions, is examined under several alkaline conditions to yield the title compounds (IV)‐(VII) in fairly good yields.
ChemInform Abstract: Benzimidazole Condensed Ring Systems. Part 3. Synthesis of Some Substituted 2,3‐Dihydrocyclopenta‐1H‐(4′,5′:2,3)pyrido(1,2a)benzimidazole‐11‐carbonitriles.
Authors: BADAWEY E.‐S. A. M. , RIDA S. M. , SOLIMAN F. S. G. , KAPPE T.
Published: May 2016

The compound (III) is prepared in order to have a ring system of potential biological significance.
ChemInform Abstract: Oxoperoxo(citrato)‐ and Dioxo(citrato)vanadates(V): Synthesis, Spectra, and Structure of a Hydroxyl Oxygen Bridged Dimer, K2(VO(O2)(C6H6O7))2·2 H2O.
Authors: DJORDJEVIC C. , LEE M. , SINN E.
Published: May 2016

The first citrato complexes of vanadium, the complexes (I) are prepared by treating potassium, ammonium, or sodium vanadate in aqueous solution with H2O2 (30%) and subsequently with citric acid and for (Ic) with CsCl.
ChemInform Abstract: Multiple Bonds Between Main‐Group Elements and Transition Metals. Part 60. Bridging Lead Atoms in Organometallic Complexes: First Examples.
Authors: HERRMANN W. A. , KNEUPER H.‐J. , HERDTWECK E.
Published: May 2016

The Pb‐bridged Mn2 complexes (III) are obtained by equimolar reaction of the photochemically generated THF‐Mn complex (I) with PbCl2 (II).
ChemInform Abstract: Mixed‐Valence Cu(I)Cu(II) Macrocyclic Complex: A Result of a Cu(II)‐Promoted Oxidation of Aziridines into Cyanide.
Authors: AGNUS Y. , GISSELBRECHT J. P. , LOUIS R. , METZ B.
Published: May 2016

The mixed Cu(I)Cu(II) macrocyclic complex (IV) is obtained by reaction of Cu(II) perchlorate (II) with the macrocycle (I) and N‐methylaziridine (III) in a 2:1:1 ratio.
ChemInform Abstract: Asymmetric Induction in Oxygenation of Styrene Catalyzed by Cobalt Schiff Base Complex.
Authors: NISHINAGA A. , YAMATO H. , ABE T. , MARUYAMA K. , MATSUURA T.
Published: May 2016

The oxidation of styrene (II) to give optically active 1‐phenylethanol (III) is performed in the presence of chiral cobalt Schiff base complexes such as (I).
ChemInform Abstract: Convenient Synthesis of 1,1,1‐Trifluoro‐4,5‐diaza‐2,4‐alkadienes and 1‐Aryl‐3,3,3‐trifluoro‐1‐propanones.
Authors: KAMITORI Y. , HOJO M. , MASUDA R. , OHARA S. , KAWAMURA Y. , EBISU T.
Published: May 2016

Treatment of the hydrazones (I) with trifluoroacetic anhydride (II) gives the 1‐trifluoroacetylated hydrazones (III) which react with excess (II) to form the diazaalkadienes (IV).
ChemInform Abstract: Nonsteroidal Antiinflammatory Agents. Part 18. Stereomeric Optically Active Halophenyl(biphenylyl)hydroxypropionic Acids.
Authors: VAROLI L. , BURNELLI S. , GUARNIERI A. , GHEDINI N. , SCAPINI G. , FERRI S. , CAVICCHINI E.
Published: May 2016

The 2‐biphenylyl‐3‐halophenyl‐3‐hydroxypropionic acid esters (IV) and (V) are prepared by coupling the benzaldehydes (I) with the dilithium salt of 4‐biphenylacetic acid (II) followed by esterification with diazomethane (III).
ChemInform Abstract: Highly Enantioselective Claisen‐Type Acylation and Dieckmann Annulation.
Authors: NAGAO Y. , HAGIWARA Y. , TOHJO T. , HASEGAWA Y. , OCHIAI M. , SHIRO M.
Published: May 2016

Treatment of the esters (I) with lithium isopropylcyclohexylamide and subsequent acylation with the N‐(acyl)isopropylthiazolidinethiones (II) give the asymmetric β‐keto esters (III).
ChemInform Abstract: Synthesis and Oral Hypoglycemic Properties of 4‐Oxo‐4,5,6,7‐tetrahydroindole‐3‐acetic Acids.
Authors: NAGARAJAN K. , TALWALKER P. K. , GOUD A. N. , SHAH R. K. , SHENOY S. J. , DESAI N. D.
Published: May 2016

A series of analogues of (Ia) (= C 8778‐GO) and (Ib) (= C 9001‐GO) are prepared and tested for their hypoglycemic activity.
ChemInform Abstract: Synthesis of Mitomycins. Part 6. Functionalization of Benzopyrrolizines in 1,2‐Position.
Authors: FLITSCH W. , NIEHOFF A.
Published: May 2016

With a view to the synthesis of the mitomycin skeleton, the functionalization of C‐1/C‐2 in the model compounds (II) is envisaged.
ChemInform Abstract: Antitumor Imide Derivatives of 2,3‐Dimethyl‐7‐oxabicyclo(2.2.1)heptane‐2,3‐dicarboxylic Acid.
Authors: WALTER W. G.
Published: May 2016

The title compounds (III) are prepared from the anhydride (I) by reaction with the amines (II).
ChemInform Abstract: 1,3‐Anti Asymmetric Induction in Addition of Organotitanium Reagents to β‐Substituted Aldehydes with a Dithioacetal Group.
Authors: HONDA Y. , TUCHIHASHI G.
Published: May 2016

The 2‐formyl‐1,3‐dithianes (I) are treated with various methylmetallic compounds under different conditions to give the hydroxyethyl derivatives (III).
ChemInform Abstract: A Simple Route to 4,4‐Dialkoxy‐2‐azetidinones: Useful Intermediates for Organic Synthesis.
Authors: GRAZIANO M. L. , CIMMINIELLO G.
Published: May 2016

(2 + 2)Cycloaddition reaction of the ketene acetals (I) with the isocyanates (II) yields the title compounds (III).
ChemInform Abstract: Photochemical Formation of a Stable Oxalic Orthoamide with Propellane Structure.
Authors: TAUER E. , GRELLMANN K.‐H. , NOLTEMEYER M. , SHELDRICK G. M.
Published: May 2016

The new quinoxalinoquinoxaline (III) forms the title compound (IV) photochemically (fluorescence, space group for (IV).
ChemInform Abstract: Silsesquioxanes as Models for Silica Surfaces.
Authors: FEHER F. J. , NEWMAN D. A. , WALZER J. F.
Published: May 2016

The hydrolytic condensation of cyclohexyltrichlorosilane (I) affords the products (III), (IV) and (Va), which exhibit very different solubility properties and can be easily separated.
ChemInform Abstract: Cycloaddition Reactions Between Tetrafluorodisilacyclobutene and Cyclic Dienes Mediated by Transition Metal Carbonyls.
Authors: LIN C. H. , LEE C. Y. , JZANG T. T. , LIN C. C. , LIU C. S.
Published: May 2016

Photolysis or thermolysis of the metal complexes (III) or (VI) results in demetalation and cyclization, producing the Si heterocycles (IV) or (VII) and (VIII).
ChemInform Abstract: Synthesis, Taste Properties, and Conformational Analysis of Four Stereoisomeric Cyclopropane Analogs of Aspartame.
Authors: MAPELLI C. , STAMMER C. H. , LOK S. , MIERKE D. F. , GOODMAN M.
Published: May 2016

The N‐protected aminocyclopropanecarboxylic acids (I) are esterified with diazomethane (II) and then deprotected to give the aminocyclopropanecarboxylates (III).
ChemInform Abstract: Vapor Pressure of Promethium Trifluoride.
Authors: GIBSON J. K. , HAIRE R. G.
Published: May 2016

The relative vapor pressures of each component of the ternary mixed fluoride system (Pr1/3Pm1/3Sm1/3)F3 are determined simultaneously over the temp. range 1100‐1280 °C by using Knudsen effusion‐mass spectrometry.
ChemInform Abstract: Voltammetric Study of Polycrystalline Rhodium in Alkaline Solutions at Different Temperatures.
Authors: CATALDI Z. , LEZNA R. O. , GIORDANO M. C. , ARVIA A. J.
Published: May 2016

The voltammetric behavior of Rh in 1 M KOH (pH 13.8) is investigated in the temp. range 273‐353 K, with special emphasis on the different stages of Rh surface oxide electroformation, involving successive formation of RhOH, RhO monolayer, and hydrous Rh oxide layer growth.
ChemInform Abstract: Molten Potassium Pyrosulfate: Reactions of Seven Metal Sulfides.
Authors: MINEELY P. J. , TARIQ S. A.
Published: May 2016

Studies of the reactions of Na2S·9 H2O, K2S3, ZnS, CdS, Sb2S3, PbS, and FeS with molten K2S2O7, by using mainly DTA and TG techniques, confirm the presence of SO42‐, SO2, and S in all the reactions.
ChemInform Abstract: Reversible Bond Switch with Participation of Hypervalent Sulfurane in a Thiadiazole Ring System and Its Kinetic Study in a Protonated System.
Authors: YAMAMOTO Y. , AKIBA K.
Published: May 2016

The use of 15N labeled thiadiazole (I) confirms the existence of bond switching under neutral or acidic conditions.
ChemInform Abstract: Thiono and Dithio Esters. Part 42. Synthesis and Properties of Cyanoacetic Thiono Esters.
Authors: MUELLER H.‐G. + , HARTKE K.
Published: May 2016

The cyanothioacetates (IV) are prepared from malononitrile (I) by reaction with the alcohols (II) in the presence of gaseous HCl and subsequent treatment with hydrogen sulfide.
ChemInform Abstract: Selective Synthesis of Halogen Derivatives from 5‐Acetoxytropolone.
Authors: NAGAO T. , MORI A. , TAKESHITA H.
Published: May 2016

In contrast to 5‐hydroxytropolone (Ib) which gives complex mixtures, its acetyl derivative (Ia) can be successfully halogenated using the tribromide (II) or SOCl2.
ChemInform Abstract: A Facile Entry to β,δ‐Diketo and syn‐β,δ‐Dihydroxy Esters.
Authors: HANAMOTO T. , HIYAMA T.
Published: May 2016

The dianion of the acetoacetate (I) is coupled with the hydroxamates (II) to produce the β,δ‐diketo esters (III).
ChemInform Abstract: Direct Transformation of 2,3‐Epoxy Alcohols into Hydroxy Carbonates Under Mildly Basic Conditions.
Authors: MYERS A. G. , WIDDOWSON K. L.
Published: May 2016

Various optically active (hydroxyalkyl)oxiranes are treated with cesium carbonate in a carbon dioxide (II) atmosphere, forming chiral cyclic hydroxy carbonates.
ChemInform Abstract: Synthesis of Vinylic Lactones via Palladium‐Catalyzed Coupling of Vinylic Halides or Triflates and Unsaturated Carboxylic Acids.
Authors: LAROCK R. C. , LEUCK D. J. , HARRISON L. W.
Published: May 2016

Coupling of the 3‐butenoic acids (II) or (VI) with the vinylic halides or triflates (I) or (IV) in the presence of diethylisopropylamine, tetrabutylammonium chloride, and a Pd catalyst yields the vinylic γ‐lactones (III), (V), and (VII).
ChemInform Abstract: Formation, Structure, and Properties of Chelates of 1‐Difluoroboryloxy‐2‐acyl‐ and 2‐Difluoroboryloxy‐1‐acylnaphthalene.
Authors: STARKOV S. P. , PANASENKO A. I. , POLYANSKAYA N. L. , VOLKOTRUB M. N.
Published: May 2016

α‐Naphthol (I) is coupled with the carboxylic acids (II) in the presence of boron trifluoride (III) to give the chelates (IV) which are hydrolyzed, producing the ketones (V).
ChemInform Abstract: Synthesis and X‐Ray Structure of the First Dinuclear Homoleptic Chromium(II) Amide, (((i‐Pr)2N)Cr(μ‐(i‐Pr)2N))2.
Authors: EDEMA J. J. H. , GAMBAROTTA S. , SPEK A. L.
Published: May 2016

The quadruply bonded dimer (I) reacts with the amine (II) to yield the title complex (III), (space group P1 with Z=2).
ChemInform Abstract: Thiolate Complexes of Osmium(III) with Tertiary Phosphines and Their Dicarbonyl Derivatives of Osmium(II): X‐Ray Crystal Structure of trans,trans,trans‐(Os(SC6F5)2(CO)2(PEt2Ph)2).
Authors: CRUZ‐GARRITZ D. , SOSA P. , TORRENS H. , HILLS A. , HUGHES D. L. , RICHARDS R. L.
Published: May 2016

The new paramagnetic Os(III) complexes (III), are probably dimers in solution.
ChemInform Abstract: A New Photoinduced Rearrangement of Steroidal α,β‐Unsaturated Cyclic Ketone Oximes into the β,γ‐Unsaturated Isomer Involving an Intramolecular Stereospecific Hydrogen Transfer.
Authors: SUGINOME H. , OHKI T.
Published: May 2016

Cholest‐1‐en‐3‐one (I) is converted into E‐1,4,4‐trimethylcholest‐1‐en‐3‐one oxime (IIa) and the deuterated derivatives (IIb) and (IIc) which undergo stereospecific isomerization on irradiation, forming the methylene derivatives (III).
ChemInform Abstract: Synthetic Studies on an Antitumor Antibiotic, Bleomycin. Part 25. An Efficient Synthesis of erythro‐β‐Hydroxy‐L‐histidine, The Pivotal Amino Acid of Bleomycin‐Fe(II)‐O2 Complex.
Authors: OWA T. , OTSUKA M. , OHNO M.
Published: May 2016

The optically active N‐(bromoacetyl)oxazolidinone (I) is converted to the boron enolate and then coupled with the formylimidazole (II) to give the syn‐bromohydrin (III).
ChemInform Abstract: Colchicine Models: Synthesis and Antitubulin Activity of 2′‐Monosubstituted and 2′,5‐Disubstituted 2,3,4,4′‐Tetramethoxy‐1,1′‐biphenyls. Synthesis of 4,4′,5′,6′‐Tetramethoxy‐1,1′‐biphenyl‐2,3′‐dicarboxylic Acid.
Authors: ITOH Y. , BROSSI A. , HAMEL E. , FLIPPEN‐ANDERSON J. L. , GEORGE C.
Published: May 2016

The 2'‐monosubstituted and 2',5'‐disubstituted title compounds (III) and (IV) as well as the dicarboxylic acid (V) are prepared as models for colchicine (VI); however, only (III) shows appreciable activities in the tubulin binding assay or as inhibitor of tubulin polymerization.
ChemInform Abstract: Flexible Syntheses of Optically Active Isocarbacyclins.
Authors: HEMMERLE H. , GAIS H.‐J.
Published: May 2016

Isocarbacyclin (X) is used for the therapy of vascular deseases.
ChemInform Abstract: A Kinetic Study of the Oxidation of Water by CeIV Ions in Different Acid Media, Mediated by Thermally Activated Ruthenium Dioxide Hydrate.
Authors: MILLS A. , GIDDINGS S.
Published: May 2016

Thermally activated RuO2·yH2O* is able to ediate the oxidation of water to O2 by Ce(IV) ions in 0.5 M H2SO4 and 1 M HClO4/3.5·10‐2 M H2SO4.
ChemInform Abstract: The Different Effects of Substituents on the Absorption Maxima of Azomethines and Hydrazones.
Authors: MUSTROPH H. , HENNIG L. , WILDE H.
Published: May 2016

The bathochromic effect of the acceptor substituents in (I) and (IIa) increases in the order shown with the exception of (IIb).
ChemInform Abstract: Photochemical Rearrangements of Stable Silenes.
Authors: BAINES K. M. , BROOK A. G. , FORD R. R. , LICKISS P. D. , SAXENA A. K. , CHATTERTON W. J. , SAWYER J. F. , BEHNAM B. A.
Published: May 2016

The photolysis of the acylsilanes (III) gives silenes (IV), whose subsequent chemistry is dependent on the steric size of the substituents R1 and R2 and on their facile photochemical excitation by UV light.
ChemInform Abstract: Oxidation Using Quaternary Ammonium Polyhalides. Part 2. A Convenient Haloform Reaction Using Benzyltrimethylammonium Tribromide.
Authors: KAJIGAESHI S. , KAKINAMI T. , YAMAGUCHI T. , UESUGI T. , OKAMOTO T.
Published: May 2016

The use of the title ammonium salt, a stable crystalline red compound, renders possible a facile synthesis of carboxylic acids from aliphatic and aromatic ketones such as (I) (26 examples) or from the alcohols (IV) in almost quantitative yield.
ChemInform Abstract: Potential Cardiotonica Agents. Part 2. Synthesis and Pharmacological Properties of 5‐(4‐Pyridyl)‐ and 5‐Phenyl‐Substituted 3‐Cyano‐6‐methyl‐2‐(oxaalkylamino)pyridines.
Authors: KLAUSCHENZ E. , RUMLER A. , HAGEN V. , HAGEN A. , HEER S. , MITZNER R. , NIEDRICH H.
Published: May 2016

Treatment of the pyridones (I) with POCl3 yields the chloropyridines (II) which react with the amines (III) to give the corresponding aminopyridines (IV).
ChemInform Abstract: A Nickel(II) Schiff Base Complex Linked to Viologen via Number Six of the Methylene Groups.
Authors: KASUGA K. , TANAKA T. , TSUKAHARA K.
Published: May 2016

The title complex (V) (yield not given) is prepared and characterized by some 1H NMR data.
ChemInform Abstract: Preparation and Interconversion of Dimeric Di‐μ‐hydroxo and Tri‐μ‐hydroxo Complexes of Platinum(II) and Palladium(II) with 2,2′‐Bipyridine and 1,10‐Phenanthroline.
Authors: WIMMER S. , CASTAN P. , WIMMER F. L. , JOHNSON N. P.
Published: May 2016

The dinitrato complexes (III) are prepared according to the scheme.
ChemInform Abstract: The Chemistry of Thujone. Part 14. Synthesis of Biologically Active Aryl Terpenoid Analogues.
Authors: CARVALHO C. , CULLEN W. R. , FRYZUK M. D. , JACOBS H. , JAMES B. R. , KUTNEY J. P. , PIOTROWSKA K. , SINGH V. K.
Published: May 2016

The isoprenoid ethers (II), readily available from thujone (I), are subjected to a series of epoxidation reactions.
ChemInform Abstract: A Synthesis of an Alkylated Taxane Model System.
Authors: BONNERT R. V. , JENKINS P. R.
Published: May 2016

The reagent LiCMe2SePh is found to be very useful for the synthesis of highly substituted dienes of type (V) from enones such as (III).
ChemInform Abstract: The Effect of Boron on ZSM‐5 Zeolite Shape Selectivity and Activity. Part 2. Coincorporation of Aluminum and Boron in the Zeolite Lattice.
Authors: SAYED M. B. , AUROUX A. , VEDRINE J. C.
Published: May 2016

The title zeolite is synthesized in the presence of NaAlO2 and NaBO2 to yield a crystalline phase of almost unchanged Al + B site population, but with increased B/Al ratio.
ChemInform Abstract: Conjugate Addition vs. Vinyl Substitution in Palladium‐Catalyzed Reaction of Aryl Halides with β‐Substituted‐α,β‐enones and ‐enals.
Authors: AMORESE A. , ARCADI A. , BERNOCCHI E. , CACCHI S. , CERRINI S. , FEDELI W. , ORTAR G.
Published: May 2016

The outcome of the reaction of β‐substituted‐α,β‐enones, e.g. (I), and ‐enals with aryl halides such as (II), (VI), or (VII), depends greatly on the nature of the added base.
ChemInform Abstract: Rhodium‐Catalyzed Isomerization of 1,3‐Diene Monoepoxides to α,β‐Unsaturated Carbonyl Compounds.
Authors: SATO S. , MATSUDA I. , IZUMI Y.
Published: May 2016

The α‐bromo ketones (I) react with the vinyl Grignard reagent (II) to give the vinyloxiranes (III) which rearrange in the presence of a rhodium catalyst, forming the unsaturated ketones (IV).
ChemInform Abstract: (4.3.0)‐Fused Pyrazolidinones as Potential Antibacterial Agents.
Authors: TERNANSKY R. J. , DRAHEIM S. E.
Published: May 2016

The N‐protected aminopyrazolidinone (I) reacts with methyl bromoacetate (II) to give the N‐substituted product (III) which is reduced and sulfonated to form the mesylate (V) and via sulfonate ‐ iodide exchange the iodide (VI).
ChemInform Abstract: Synthesis and Antibacterial Activity of Some New 2‐Aryloxymethyl 3‐Substituted Quinazolin‐4(3H)‐ones.
Authors: KHAN A. , SAKSENA R. K.
Published: May 2016

Cyclocondensation of anthranilic acid (I) with the phenoxyacetyl chlorides (II) leads to the formation of the benzoxazin‐4‐ones (III) which form the quinazolin‐4(3H)‐ones (V) upon ring closure with the aniline derivatives (IV) in boiling pyridine.
ChemInform Abstract: Wittig Reactions of 1‐Alkoxycarbonyl‐2‐hydroxypyrrolidines and ‐piperidines: Synthesis of (.+‐.)‐Hygrine and (.+‐.)‐2‐Epilasubine II.
Authors: NAGASAKA T. , YAMAMOTO H. , HAYASHI H. , WATANABE M. , HAMAGUCHI F.
Published: May 2016

Wittig olefination of the cyclic hydroxy carbamates (I) with the phosphoranes (II) followed by intramolecular addition reaction of the intermediate aminoacrylates yields the α‐alkylated pyrrolidines and piperidines (III).
ChemInform Abstract: α‐Azohydroperoxides
Authors: DIXON D. W.
Published: May 2016

Review: (89 refs.
ChemInform Abstract: Temperature Dependence of the Lattice Constants and Thermal Expansion Coefficients of UMn2Si2 and UMn2Ge2 Compounds.
Authors: BUDKOWSKI A. , SZYTULA A. , BAN Z.
Published: May 2016

The lattice constants of polycrystalline samples of the title ferromagnets are measured between 80 and 300 K and the corresponding temp. dependences of the thermal expansion coefficients αa, αc, and βv are calculated.
ChemInform Abstract: Sulfur‐Induced Breakdown of the Passive Film and Pitting Studied on Nickel and Nickel Alloys.
Authors: MARCUS P. , TALAH H.
Published: May 2016

Samples of Ni and Ni75Fe25 alloys are doped with sulfur by treatment in a H2S/H2 gas mixture at 1100‐1200 °C. After passivation of the bare metal surface, sulfur present in the metal accumulates at the metal‐passive film interface and causes the breakdown of the passive film.
ChemInform Abstract: A New Reaction Surface for Concerted Reactions: The Metal Ion Catalyzed Addition of Enolpyruvate to Pyruvate.
Authors: CHEONG M. , LEUSSING D. L.
Published: May 2016

It is assumed that in the title reaction C‐C bond formation is concerted with proton transfer and occurs within the coordination sphere of (I).
ChemInform Abstract: Reactivity of tert.‐Butoxy Radicals Toward Thiols, Alkyl Sulfides, and Alkyl Disulfides.
Authors: ENCINAS M. V. , LISSI E. A. , MAJMUD C. , OLEA A. F.
Published: May 2016

The kinetics of the reaction of tBuO· (from (tBu‐O‐O‐CO)2) with Me‐(CH2)5‐SH, R‐S‐R (R: ‐Me, ‐tBu), and R‐S‐S‐R (R: ‐Me, ‐sBu, ‐iPr) are measured at 310 K in benzene and compared to those found for the deactivation of the benzophenone triplet.
ChemInform Abstract: Halogenations of Aromatic Compounds with Halide Anions in the Presence of Nitrobenzenesulfonyl Peroxides. A Novel Method for the Formation of Positive Halogens.
Authors: YOSHIDA M. , MOCHIZUKI H. , KAMIGATA N.
Published: May 2016

Toluene and anisole (I) are treated with triethylammonium chloride or bromide in the presence of p‐nitrobenzenesulfonyl peroxide to form the p‐ and o‐halogenated derivatives (II) and (III).
ChemInform Abstract: Carbon‐Carbon Bond Formation at the γ‐Position of Dienolates via the Germanium‐Masked Dienolates.
Authors: YAMAMOTO Y. , HATSUYA S. , YAMADA J.
Published: May 2016

Lithiation of the α,β‐unsaturated carboxylate (I) and subsequent germylation yield the β,γ‐unsaturated α‐germyl ester (III) which is coupled with the acetals (IV), benzaldehyde (VI), or the halides (VIII) in the presence of a Lewis acid to give E/Z‐mixtures of the esters (V), (VII), and (IX).
ChemInform Abstract: Chemistry of Phthalide‐3‐carboxylic Acid. Part 5. Reaction of the Acid with Imines.
Authors: CHIEFARI J. , JANOWSKI W. K. , PRAGER R. H.
Published: May 2016

Phthalidecarboxylic acids such as (I) decarboxylate readily in the presence of imines such as (II) or (VI) the product depending on the solvent used.
ChemInform Abstract: Acidity and Alkylation of 4‐Phenyl‐3,5‐dihydroxypyrazole and Its Derivatives. C versus O and N Alkylation.
Authors: ZVILICHOVSKY G. , DAVID M.
Published: May 2016

The tautomers of 4‐phenyl‐3,5‐dihydroxypyrazole (I) are alkylated with diazomethane (II) to give the O‐ and N‐methylation products (III) and (IV).
ChemInform Abstract: Preparation of 1‐(Benzyloxycarbonyl)hexahydro‐3‐pyridazinecarboxylic Acid, a Protected Piperazic Acid.
Authors: ADAMS C. E. , AGUILAR D. , HERTEL S. , KNIGHT W. H. , PATERSON J.
Published: May 2016

4‐Phenyl‐1,2,4‐triazolidine (I) is converted to the urazole (II) and then subjected to Diels‐Alder reaction with 1,3‐butadiene‐1‐carboxylic acid (III), yielding the cycloadduct (IV).
ChemInform Abstract: A New and Convenient Synthesis of N‐Substituted Perhydroazepines from Adipaldehyde and Primary Amines with Tetracarbonylhydridoferrate, HFe(CO)4‐, as a Selective Reducing Agent.
Authors: SHIM S. C. , DOH C. H. , KIM T. J. , LEE H. K. , KIM K. D.
Published: May 2016

The iron hydrido complex mentioned in the title is generated in situ from pentacarbonyliron and carbon monoxide in ethanolic KOH.
ChemInform Abstract: Synthesis of Bis(oxydimethylene)tetrathiafulvalene (BODM‐TTF) and BEDSe‐TTF.
Authors: HSU S.‐Y. , CHIANG L. Y.
Published: May 2016

The bis(ethylenediseleno)tetrathiafulvalene (BEDSe‐TTF) (IV) is prepared by complete lithiation of the TTF (I), followed by addition of selenium (II) and quenching with 1,2‐dibromoethane (III).
ChemInform Abstract: Preparation and Properties of Alkyl Diarylbismuthinates. A New Class of Organic Pentavalent Bismuth Compounds.
Authors: OGAWA T. , MURAFUJI T. , IWATA K. , SUZUKI H.
Published: May 2016

The triarylbismuthines (Ia) and (Ib) react with chloramine T (II) in the presence of methanol (III) to form the methyl diarylbismuthinates (IV).
ChemInform Abstract: Chemistry of Complexes of Perhalogenated Cyclopentadienes and Alkynes. Part 4. Preparation, Reactions, and Structures of Alkylthio‐ and Phenylthio‐Substituted (Cyclopentadienyl)manganese and ‐rhodium Complexes.
Authors: SUENKEL K. + , STEINER D.
Published: May 2016

Preparations and reactions of the title compounds are shown in the scheme.
ChemInform Abstract: Metallomacrocycles: Synthesis, X‐Ray Structure, Electrochemistry, and ESR Spectroscopy of Mononuclear and Heterodinuclear Complexes.
Authors: VAN VEGGEL F. C. J. M. , HARKEMA S. , BOS M. , VERBOOM W. , VAN STAVEREN C. J. , GERRITSMA G. J. , REINHOUDT D. N.
Published: May 2016

The Ba2+‐templated (1:1) macrocyclization of dialdehydes such as (I) and (II) with 1,2‐diamino‐2‐methylpropane and o‐phenylenediamine offers a convenient route to heterodiligating ligands with two very different cavities.
ChemInform Abstract: A Study of the Sensitization of Gd3+ Luminescence by Pb2+ Ions
Authors: KILIAAN H. S. , BLASSE G.
Published: May 2016

is performed for the Tb3+‐activated compounds GdBO3: Pb, Tb (I) GdB3O6: Pb, Tb (II), Ba3‐x(La, Gd)1+x(PO4)3‐x(SiO4)x: Pb, Tb (x = 0, 1) (III) and Sr2(Ln, Gd)8(SiO4)6O2: Pb, (Tb, Mn) with Ln: Y, La (IV).
ChemInform Abstract: Low‐Temperature Surface Passivation of Silicon for Solar Cells.
Authors: HEZEL R. , JAEGER K.
Published: May 2016

The effectiveness of low‐temp.
ChemInform Abstract: α‐Ta2O5. An Intrinsic Fast Oxygen Ion Conductor.
Authors: CHOI G. M. , TULLER H. L. , HAGGERTY J. S.
Published: May 2016

Defect structure and charge transport behavior of α‐Ta2O5 are investigated as functions of doping level, temp., and thermal history.
ChemInform Abstract: Effect of Coprecipitated Metal Ions on the Electrochemistry of Nickel Hydroxide Thin Films: Cyclic Voltammetry in 1 M KOH.
Authors: CORRIGAN D. A. , BENDERT R. M.
Published: May 2016

Binary 9:1 composite hydroxides of Ni with Cd, Ce, Cr, Co, Cu, Fe, La, Pb, Mg, Mn, Ag, Y, or Zn, prepared by cathodic deposition from mixed metal nitrate solutions, are characterized by cyclic voltammetry in 1 M KOH.
ChemInform Abstract: Coordination Chemistry of Sterically Hindered Thiolate Ligands. Preparation and Structural Characterization of the Oligomeric Homoleptic Complexes (Cu(SC6H4‐o‐SiMe3))12 and ((Ag(SC6H4‐o‐SiMe3))4)2 and a Comparison to the Structure of the Mononuclear Species (Et4N)2(Cd(SC6H4‐o‐SiMe3)4).
Authors: BLOCK E. , GERNON M. , KANG H. , OFORI‐OKAI G. , ZUBIETA J.
Published: May 2016

The thiolato ligand is prepared by a known method.
ChemInform Abstract: Substitution Reactions Which Proceed via Radical Anion Intermediates. Part 34. Electron‐Transfer Substitution Reactions: Facilitation by the Cyano Group.
Authors: KORNBLUM N. , FIFOLT M. J.
Published: May 2016

It has been known for some time that benzylic halides react with nitroparaffin salts of type (II) to yield O‐alkylation products such as (III), except for the p‐nitrobenzyl system where an electron‐transfer substitution reaction results in C‐alkylation (cf.
ChemInform Abstract: Synthesis of Bridgehead Halides by Barton Halodecarboxylation.
Authors: DELLA E. W. , TSANAKTSIDIS J.
Published: May 2016

The products of the title reaction (5 out of the 14 transformations studied are given in the scheme) are isolated in generally good yield if a solvent/halogenating agent of appropriate volatility is employed.
ChemInform Abstract: α‐Benzylation of Ketones by Reaction with Benzylamine. Regioselective Reduction of C‐C Double Bonds in Conjugated Enones.
Authors: ARMESTO D. , ESTEBAN S. , HORSPOOL W. M. , MARTIN J.‐A. F. , MARTINEZ‐ALCAZAR P. , PEREZ‐OSSORIO R.
Published: May 2016

The reaction of ketones, e.g. (I), with benzylamine (II) for prolonged time leads to α‐benzyl derivatives such as (III) which are most likely formed via Aldol condensation of ketimine intermediates with benzaldimine followed by reduction of the resulting C‐C double bond.
ChemInform Abstract: Formation of Anhydrides by Homogeneous Palladium(II)‐Catalyzed Carbonylation of Aryl Halides and Metal Carboxylates.
Authors: PRI‐BAR I. , ALPER H.
Published: May 2016

Carbonylation of the aryl iodides in the presence of the sodium carboxylates (II) and a palladium(II) catalyst yields the anhydrides (III).
ChemInform Abstract: Fluorotamoxifen. A Caveat on the Generality of Electrophilic Destannylation.
Authors: SEITZ D. E. , BLASZCZAK L. C.
Published: May 2016

The title compound (IV) is synthesized by lithiation of tamoxifen (I) with sec‐butyllithium (II) and subsequent quenching with perchloryl fluoride.
ChemInform Abstract: Preparation of 2‐(3‐Bromo‐1‐methylpropyl)‐1,3‐dioxolane and the Corresponding Chloride from 2‐Methylbutyrolactone.
Authors: COLLINS D. J. , JAMES A. M.
Published: May 2016

The title compounds (VII) are prepared by a novel and more convenient method.
ChemInform Abstract: Derivatives of 2‐Oxo‐3(2H)‐benzothiazolineacetonitrile and Related Compounds. Part 2. Synthesis of 2‐Oxo‐3(2H)‐benzothiazolineacetimidic Acid Alkyl Esters and Related Products.
Authors: D'AMICO J. J. , BOLLINGER F. G.
Published: May 2016

Benzoxazole (Ia) and the benzothiazoles (Ib) and (Ic) are converted to the N‐(cyanoalkyl) derivatives (III), (V), and (VII) by conventional coupling reactions.
ChemInform Abstract: β‐Carbolines as Agonistic or Antagonistic Benzodiazepine Receptor Ligands. Part 1. Synthesis of Some 5‐, 6‐, and 7‐Amino Derivatives of 3‐Methoxycarbonyl‐β‐carboline (β‐CCM) and of 3‐Ethoxycarbonyl‐β‐carboline (β‐CCE).
Authors: SETTIMJ G. , DEL GIUDICE M. R. , FERRETTI R. , GATTA F.
Published: May 2016

4‐Nitrogramine (I) is coupled with the formylaminomalonate (II) and then reduced to give the amino derivative (IV).
ChemInform Abstract: Imidazo(1,2‐b)pyridazines. Part 4. Syntheses and Central Nervous System Activities of Some 3‐Methoxy‐6‐phenoxy(substituted phenoxy and naphthyloxy)‐2‐phenylimidazo(1,2‐b)pyridazines.
Authors: BARLIN G. B. , DAVIES L. P. , NGU M. M. L.
Published: May 2016

The synthesis of ca. 15 compounds of type (VI) and the study of their pharmacological activity in the mammalian central and peripheral nervous system are described.
ChemInform Abstract: Synthesis of Tetra‐Aza Macrocycles with Remarkably High Efficiency.
Authors: TOMOHIRO T. , UOTO K. , SHIMURA T. , OKUNO H.
Published: May 2016

The macrocycles (IV) are prepared employing 10‐2 molar solutions of the reactants.
ChemInform Abstract: Acylphosphonic Acids and Methyl Hydrogen Acylphosphonates: Physical and Chemical Properties and Theoretical Calculations.
Authors: KARAMAN R. , GOLDBLUM A. , BREUER E. , LEADER H.
Published: May 2016

In the frame of studies of potential regulators of metabolic processes, the the acylphosphonic acids (I) and (IV) are prepared by stepwise demethylation of the dimethyl acylphosphonate.
ChemInform Abstract: Phosphorus Analogues of Amino Acids. Part 2. Synthesis of α‐Amino Phosphonic Acids and α‐Amino Phosphinic Acids from the Corresponding N‐Acylimino Derivatives.
Authors: SCHRADER T. , STEGLICH W.
Published: May 2016

The title compounds (XVI) and (VIIb) are prepared from acyliminomethylphosphonic and acyliminomethylphosphinic esters obtained from the corresponding acylaminobromomethyl compounds (XIII) or (II) by reaction with the cuprates (XIV) or (V).
ChemInform Abstract: Solvent Influence on Trifluoromethylation Reactions with Cd(CF3)2: One‐Pot Synthesis of Trifluoromethyl Iron Complexes.
Authors: DUKAT W. , NAUMANN D.
Published: May 2016

Bis(trifluoromethyl)‐Cd complexes such as (II) and its bis(acetonitrile) analogue react as perfluoroalkyl Grignard reagents with carbonyl‐Fe halides in a one‐pot reaction to yield Fe‐CF3 compounds easily.