bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Anodic Polarization Behavior and Corrosion Resistivity of a Hypophosphite‐Reduced Electroless Copper Deposit Film in a Sodium Chloride Solution.
Authors: HUNG A. , CHEN K.‐M.
Published: May 2016

As compared to conventional formaldehyde‐reduced electroless and electrodeposited copper films, an electroless copper deposit, obtained from a new bath containing sodium citrate, H3BO3, K4P2O7, CuSO4, NiSO4, and NaOH (pH 9.2, 65 °C), shows a better corrosion resistance.
ChemInform Abstract: Search for “Cold‐Fusion” in Some M‐D Systems at High Pressures of Gaseous Deuterium.
Authors: BARANOWSKI B. , FILIPEK S. M. , SZUSTAKOWSKI M. , FARNY J. , WORYNA W.
Published: May 2016

No evidence for neutron emission or heat evolution is found in long‐term experiments performed with highly concentrated Pd and Ni deuterides, which are prepared by treatment of metallic Pd and Ni with gaseous D2 at 298 K and pressures of 3.1 GPa and 1.0 GPa, respectively.
ChemInform Abstract: Oxidation Kinetics of Chromium(III) Chloride.
Authors: SOLE K. C. , MOOIMAN M. B. , BROWN M. E.
Published: May 2016

The oxidation of anhydrous CrCl3 pellets is studied in the temp. range 350‐630 °C and at mole fractions of O2 between 0.1 and 1.0 using SEM as well as isothermal and temp.‐programmed TG.
ChemInform Abstract: Systematic Design of Chemical Oscillators. Part 62. The Minimal Permanganate Oscillator and Some Derivatives: Oscillatory Oxidation of S2O2‐ 3, SO2‐ 3, and S2‐ by Permanganate in a CSTR.
Authors: ORBAN M. , EPSTEIN I. R.
Published: May 2016

The oscillating system KMnO4‐MnSO4‐KH2PO4‐NaOH, which serves as a core from which other oscillating permanganate reactions can be generated, is termed the "minimal permanganate oscillator", because it contains components that are found in all members of the family as reactants or are generated during the reaction.
ChemInform Abstract: Fluoridation of OH‐Apatite by Ammonium Fluoride.
Authors: MAITI G. C.
Published: May 2016

Studies of the nature of the anionic diffusion in the Ca5(OH)(PO4)3 lattice between 100 and 800 °C using NH4F as the fluoridating agent, show that the reaction is essentially a solid‐solid reaction, which can be subdivided into two steps.
ChemInform Abstract: Promotion Effect of Fe on the Selectivity of Pd Zeolite‐X in Methanol Synthesis.
Authors: CHOUDARY B. M. , LAZAR K. , BOGYAY I. , GUCZI L.
Published: May 2016

Pd,Fe‐zeolites X are prepared by successive exchange of Na in Na‐X (1.
ChemInform Abstract: Poisoning Effects of Li+ and F‐ Ions in Alumina for N2O Decomposition.
Authors: POMONIS P. , KORDULIS C. , LYCOURGHIOTIS A.
Published: May 2016

The deactivation of γ‐Al2O3 (with respect to the N2O decomposition) observed for Li+‐doped samples is explained by a decrease of the specific surface area.
ChemInform Abstract: Moessbauer Spectroscopy Study of the Kinetics of Photoreduction of Fe3+ on CdS Semiconductor Powders.
Authors: GESSERT T. A. , WILLIAMSON D. L. , NOZIK A. J.
Published: May 2016

The rate constants observed for the photoreduction of Fe3+ by aqueous dispersions of CdS particles show systematic variation with (CdS)/(Fe3+), which can be attributed to the optical density change associated with the 1‐μm CdS particle size and to a high efficiency for photocorrosion of the CdS by the photogenerated holes.
ChemInform Abstract: Gaseous “H3PS2” ‐ Generation and Characterization.
Authors: KECK H. , KUCHEN W. , RENNEBERG H. , TERLOUW J. K. , VISSER H. C.
Published: May 2016

Collisional activation (CA) mass spectra and thermochemical data show that the alkene elimination from the dialkyldithiophosphinic acids (I) leads to a mixture of the tautomeric radical cations (II) and (III) containing tri‐ or dicoordinated phosphorus, whereas tetracoordinated phosphorus corresponding to the ionized dithiophosphinic acid H2P(S)SH is not observed.
ChemInform Abstract: Thermal Behavior of Anhydrous Phosphates. Part 3. Chemical Vapor Transport of Phosphates of Ti3+ and Ti4+.
Authors: GLAUM R. , GRUEHN R.
Published: May 2016

In the course of equilibrium experiments in the system Ti/P/O at 900 °C in evacuated silica ampoules, the ternary phases TiPO4, TiP2O7, and "Ti2P2O9" are detected in addition to a not characterized compound occurring in the phase triangle TiO2/TiPO4/TiP2O7.
ChemInform Abstract: Structure of K6Ti2O7.
Authors: KISSEL J. , HOPPE R.
Published: May 2016

Single crystals of the title compound are prepared by annealing a mixture of K2O and TiO2 at 800 °C for 51 d (K: Ti = 3.3:1.0; sealed Ni‐tube).
ChemInform Abstract: A Synthetic Variant of the Hulsit‐Type: Ni5.33Sb0.67B2O10.
Authors: BLUHM K. , MUELLER‐BUSCHBAUM HK. + , WALZ L.
Published: May 2016

Single crystals of the new title compound are prepared by reaction of NiO and Sb2O5 (10:1) in a B2O3 flux (excess B2O3, Pt‐crucible, 1300 °C).
ChemInform Abstract: Design of Integrated Fluorescent Estrogens: The Second Donor Effect on Absorption, Fluorescence, and Ground‐State MO Properties of trans‐4,4′‐Methoxynitrostilbene Systems.
Authors: ANSTEAD G. M. , KATZENELLENBOGEN J. A.
Published: May 2016

Because of the great interest in the development of an estrogen receptor (ER)‐targeted fluorophore to determine the distribution of the ER in individual mammary tumor cells, and in an attempt to optimize the fluorescent properties of such probes, the effect is studied that a second alkoxy donor has on the fluorescent properties of two systems (Ia)/(Ib) and (II)/(III).
ChemInform Abstract: Chemistry of Organosilicon Compounds. Part 266. Dual Fluorescence of Aryldisilanes and Related Compounds. Evidence for the Formation of 1(σπ*) Orthogonal Intramolecular Charge‐Transfer States.
Authors: SAKURAI H. , SUGIYAMA H. , KIRA M.
Published: May 2016

Fluorescence spectra of 14 arylpentamethyldisilanes are reported.
ChemInform Abstract: Microporous Aluminum Oxide Films at Electrodes. Part 7. Mediation of the Catalytic Activity of Glucose Oxidase via Lateral Diffusion of a Ferrocene Amphiphile in a Bilayer Assembly.
Authors: BOURDILLON C. , MAJDA M.
Published: May 2016

Glucose oxidase is immobilized in the head group region of an organized bilayer self‐assembled in a porous template of aluminum oxide film at a gold electrode.
ChemInform Abstract: A Versatile Rhodium Catalyst for Acetalization Reactions Under Mild Conditions.
Authors: OTT J. , RAMOS TOMBO G. M. , SCHMID B. , VENANZI L. M. , WANG G. , WARD T. R.
Published: May 2016

The rhodium(III) triphos complexes (I) are employed as catalyst in the acetalization of various carbonyl compounds.
ChemInform Abstract: Competition Between Methoxide Attack at Ring Carbon and at the Cyano Group of Cyanonitroanisoles. The Effects of Cations.
Authors: CASTILHO P. C. M. F. , CRAMPTON M. R. , YARWOOD J.
Published: May 2016

Kinetic and equilibrium data are reported for the reaction of the title compound (III) with sodium, potassium and lithium methoxides with inclusion of the effects of added barium and calcium ions.
ChemInform Abstract: The Cycloaddition of Heterocumulenes to Oxetanes in the Presence of Catalytic Amounts of Tetraphenylstibonium Iodide.
Authors: FUJIWARA M. , BABA A. , MATSUDA H.
Published: May 2016

Sb‐catalyzed reactions of the oxetanes (I) with CO2 (II), isocyanates such as (V) or diimides (VI) give rise to heterocycles such as (III), (IV), or (VIII).
ChemInform Abstract: Asymmetric Induction in the Wittig‐Still Rearrangement of Ethers Containing an Allylic Stereocenter ‐ Diastereocontrol by Allylic Nitrogen.
Authors: PRIEPKE H. , BRUECKNER R. + , HARMS K.
Published: May 2016

Stannylated Z‐allyl ethers such as (I) or (IV) possessing an allylic stereogenic center attached to Bn2N or BocN‐R groups undergo Wittig‐Still rearrangement to give the syn‐amino alcohols (II) (space group P1; Z=2) or (V) (X‐ray analysis of the N‐phenylurethane: space group P212121; Z=4) with high asym.
ChemInform Abstract: Dimroth Rearrangement of 5‐Hydrazino‐1,2,3‐thiadiazoles.
Authors: L'ABBE G. , VANDERSTEDE E.
Published: May 2016

Treatment of the 1,2,3‐thiadiazole (III) with a large excess of hydrazine (II) yields the 1‐amino‐5‐mercapto‐1,2,3‐triazole (IV), probably via the thiadiazole (I).
ChemInform Abstract: Photochemistry of Heterocycles. Part 25. Derivatives of Tetrahydro‐2H‐pyridine from Photorearranged Cycloadducts of Nitrile Oxides.
Authors: FISERA L. , ONDRUS V. , TIMPE H.‐J.
Published: May 2016

The cycloadducts (III) undergo photorearrangement to the title compounds (IV).
ChemInform Abstract: O‐N, S‐N, and N‐N Exchange Reactions at Olefinic Carbon Atoms: Facile Synthetic Method for β‐Trifluoroacetylvinylamines.
Authors: HOJO M. , MASUDA R. , OKADA E. , SAKAGUCHI S. , NARUMIYA H. , MORIMOTO K.
Published: May 2016

Treatment of the β‐(alkylthio‐ or alkoxy)vinyl trifluoromethyl ketones (II) and (V) with the amines (I) produces the aminovinyl ketones (III).
ChemInform Abstract: Synthesis of Methyl‐Branched Fatty Acids.
Authors: DOBNER B. , ELSNER B. , NUHN P.
Published: May 2016

The title compounds (XI) are synthesized as shown in the reaction scheme.
ChemInform Abstract: Stereoselective Synthesis of gem‐Disubstituted Cyclopropanes from gem‐Dibromocyclopropanes.
Authors: HARADA T. , HATTORI K. , KATSUHIRA T. , OKU A.
Published: May 2016

The 1,1‐dibromocyclopropanes (I) are first lithiated, then transmetalated with zinc dichloride, and subsequently treated with the organolithiums (II) to generate cyclopropylzinc intermediates which are quenched with electrophiles, e.g. acetyl chloride (III), to produce mainly E‐configurated trisubstituted cyclopropanes such as (IV).
ChemInform Abstract: Allylsilanes Derived from α‐ and β‐Ionone. Synthesis and Unusual Reactivity with Electrophiles.
Authors: AZZARI E. , FAGGI C. , GELSOMINI N. , TADDEI M.
Published: May 2016

The ionones (I) and (VI) are converted to the allylsilanes (V) or (VII) via acetates, e.g. (III).
ChemInform Abstract: Precursors to the Cyclo(n)carbons: From 3,4‐Dialkynyl‐3‐cyclobutene‐1,2‐diones and 3,4‐Dialkynyl‐3‐cyclobutene‐1,2‐diols to Cyclobutenodehydroannulenes and Higher Oxides of Carbon.
Authors: RUBIN Y. , KNOBLER C. B. , DIEDERICH F.
Published: May 2016

Cyclocarbons have been detected in the vapor phase of heated graphite and for the determination of chemical and physical properties syntheses of these molecules are required.
ChemInform Abstract: A New Mild Method for the Synthesis of Esters and Benzenethiol Esters by Activation of Pyridine‐2‐thiol or Benzothiazole‐2‐thiol Esters by Methyl Iodide.
Authors: RAVI D. , MEREYALA H. B.
Published: May 2016

Reaction of the carboxylic acids (I) with the dipyridyl disulfide (II) gives the thioloesters (III) which are activated by N‐quaternization and then treated with the alcohols or thiophenol (VI), yielding the (thiolo)esters (VII).
ChemInform Abstract: An Expedient Synthesis of α‐Fluoro (β‐Keto) Esters.
Authors: THENAPPAN A. , BURTON D. J.
Published: May 2016

The ethoxycarbonylfluoromethylenephosphorane (III) reacts with the acyl chlorides (IVa) ‐ (IVd) to produce the α‐halo β‐oxo esters (Va) ‐ (Vd) after basic work‐up.
ChemInform Abstract: Homologation of Aldehydes Using (Phenylthiomethylene)triphenylarsorane.
Authors: BOUBIA B. , MIOSKOWSKI C. , MANNA S. , FALCK J. R.
Published: May 2016

The arsonium ylides (I) react with the aldehydes (II) at ‐10°C to give the epoxides (III) which rearrange on exposure to silica gel, forming the α‐phenylthio aldehydes (IV).
ChemInform Abstract: Synthesis and Reactivity of 6‐(Fluoromethyl)indole and 6‐(Difluoromethyl)indole.
Authors: WOOLRIDGE E. M. , ROKITA S. E.
Published: May 2016

The N‐protected 6‐methylindole (I) is brominated and then subjected to halogen exchange with silver fluoride to yield the 6‐fluoromethyl analogue (III).
ChemInform Abstract: Intramolecular Trapping of a Phosphazide by an Imine: Formation of 2,3‐Diamino‐2H‐indazole Derivatives from o‐Azidobenzaldimines and Tertiary Phosphines.
Authors: MOLINA P. , ARQUES A. , VINADER M. V.
Published: May 2016

The o‐azidobenzaldimines (I) react with the phosphines (II) to give the aminoindazolyliminophosphoranes (III).
ChemInform Abstract: Facile Syntheses of 2‐Ethenyl‐1H‐imidazoles.
Authors: OHTA S. , MATSUKAWA M. , OHASHI N. , NAGAYAMA K.
Published: May 2016

The title compounds (IV) and (VIII) are prepared from the imidazoles (I) and (V) by consecutive lithiation, coupling with the carbonyl compounds (II), and dehydration by acetic anhydride.
ChemInform Abstract: The Synthesis and Spectroscopic Properties of Flavones: Special Mass Spectral Characteristics of 3‐Methylflavones.
Authors: LETCHER R. M.
Published: May 2016

The synthesis of twenty‐one methyl‐, methoxy‐, nitro‐ and halogen‐substituted 3‐methylflavones such as (V) is described.
ChemInform Abstract: Directed ortho‐Lithiation of Chloroquinolines. Application to the Synthesis of 2,3‐Disubstituted Quinolines.
Authors: MARSAIS F. , GODARD A. , QUEGUINER G.
Published: May 2016

2‐Chloroquinoline (I) is lithiated by LDA at the more acidic C‐3 position; subsequent reaction with electrophiles, e.g. (IV), gives derivatives such as (V).
ChemInform Abstract: The Acetalization of Glyoxal by Vicinal Diols.
Authors: SANGSARI F. H. , CHASTRETTE F. , CHASTRETTE M. , BLANC A. , MATTIODA G.
Published: May 2016

The structure and stereochemistry of products obtained from hemiacetalization and acetalization of glyoxal (I) with various diols are established by 13C NMR.
ChemInform Abstract: Preparation and Alkylation of 1,5‐Dihydro‐3H‐1,2,4‐thiadiazolo(3,4‐b)quinazolin‐5‐one 2,2‐Dioxides.
Authors: DEMERS J. P. , SULSKY R. , KLAUBERT D. H.
Published: May 2016

The title compounds (III) and (V) are prepared by reaction of respective isatoic anhydrides (I) or (IV) with the compound (II).
ChemInform Abstract: Synthesis of Bifunctionalised Flavins for Incorporation into Well Defined Redox Systems.
Authors: EDWARDS T. R. G. , GANI D.
Published: May 2016

Syntheses of various isoalloxazines functionalised at C‐7 and N‐3, suitable for two point parallel face attachment to gold in the construction of flavin‐gold electrodes, are described.
ChemInform Abstract: Synthesis of Trialkylsiloxy‐Substituted and Other 5,6‐Dihydro‐4H‐1,2‐oxazines by Hetero Diels‐Alder Reactions of Nitroso Alkenes ‐ Preparative Scope and Diastereoselectivity.
Authors: HIPPELI C. , REISSIG H.‐U.
Published: May 2016

A variety of the title compounds such as (III) is prepared from the silyl enol ethers (I) and the nitroso alkenes generated in situ by base treatment of α‐halo oximes such as (II).
ChemInform Abstract: Preparation of 3,4‐Dihydro‐1‐benzoxepin‐5(2H)‐ones.
Authors: FREEDMAN J. , STEWART K. T.
Published: May 2016

Cyclization of aryloxybutanoic acids such as (I) with PPA yields title compounds such as (II), accompanied by aryl esters such as (III) as most common by‐products.
ChemInform Abstract: Synthetic Methodology for the Preparation of trans‐ and cis‐2,9‐Disubstituted Oxonanes.
Authors: CARLING R. W. , CURTIS N. R. , HOLMES A. B.
Published: May 2016

Cyclooctanone dimethylhydrazone (I) is selectively alkylated in 2‐position and then hydrolyzed to give the ketone (III) which is subjected to Baeyer‐Villiger oxidation, forming the lactone (IV).
ChemInform Abstract: Boron‐Substituted Alkoxy‐ and Aminoacetylenes.
Authors: PONOMAREV C. V. , GROMOVA E. M. , NIKOLAEVA S. N. , ZOLOTAREVA A. S.
Published: May 2016

Acetylenic metalorganic compounds, prepared in situ from the alkyl ethynyl ethers (I), are coupled with the haloboronic amides (II) or trimethyl borate (IV) to give the alkoxyethynylboronic acid amides (III) and esters (V) respectively.
ChemInform Abstract: Reactions of Carbenes with Organosilanes. Part 9. Reaction of Ethoxycarbonylcarbene with (Halomethyl)silanes.
Authors: DANILKINA L. P. , OSTROUKHOVA O. K.
Published: May 2016

Ethoxycarbonylcarbene, generated by thermolysis of ethyl diazoacetate (II), reacts with the silanes (I) to give the halomethylsilylacetates (III).
ChemInform Abstract: Reactions of Ketene and Trimethylsilyl Ketene Dialkyl Acetals with N‐Acetylchloralimine.
Authors: LIVANTSOVA L. I. , NOVIKOVA O. P. , ZAITSEVA G. S. , BAUKOV YU. I.
Published: May 2016

Treatment of the bromoacetaldehyde acetals (I) with alkali gives the ketene acetals (II) which are converted to the trimethylsilyl derivatives (IV) upon reaction with trimethylsilyl iodide (III).
ChemInform Abstract: N,N‐Bis(trimethylsilyl)ynamines.
Authors: WEIGMANN R. H. , WUERTHWEIN E.‐U. +
Published: May 2016

The lithium acetylides (I) react with the known O‐sulfonyl‐N,N‐disilylhydroxylamine (II) to produce the title compounds (III).
ChemInform Abstract: Flash Vacuum Thermolysis and Mass Spectroscopy of 9,10‐Dihydro‐9‐silaanthracenes.
Authors: VAN DEN WINKEL Y. , VAN BAAR B. L. M. , BASTIAANS H. M. M. , BICKELHAUPT F. , SCHENKEL M. , STEGMANN H. B.
Published: May 2016

The triphenylmethane (I) reacts with silane (II) to give a 1:1 mixture of diastereomers.
ChemInform Abstract: Synthesis of Hydroxyalkylphosphonic Acids, a trans‐Alkylation Reaction.
Authors: FLUCK E. , BRAUN R.
Published: May 2016

The dithiadiphosphacyclohexanes (I) are hydrolyzed, yielding the phosphonic acids (II).
ChemInform Abstract: Reactions of 1,5‐Diketones. Part 51. Reaction of Araliphatic 1,5‐Diketones with Bis(trimethylsiloxy)phosphine.
Authors: VYSOTSKII V. I. , LEVAN'KOV S. V. , PRIKHOD'KO YU. V.
Published: May 2016

1,5‐Diphenyl‐1,5‐pentanedione (I) reacts with bis(trimethylsilyl) phosphonite (II) to give the bisphosphinate (IV) after work‐up with diazomethane (III).
ChemInform Abstract: The Preparation and Reactivity of Bis(bromomagnesio)bis(trimethylsilyl)methane.
Authors: HOGENBIRK M. , VAN EIKEMA HOMMES N. J. R. , SCHAT G. , AKKERMAN O. S. , BICKELHAUPT F. , KLUMPP G. W.
Published: May 2016

Several methods of preparing the title compound (III) are investigated.
ChemInform Abstract: Reaction of Trimethylaluminum with Sulfur Derivatives of Bis(diphenylphosphino)methane and Bis(diphenylphosphino)ethane. Synthesis and Molecular Structure of (Al(CH3)2)((C6H5)2P(S)CHP(S)(C6H5)2)(Al(CH3)3) and (Al(CH3)3)2((C6H5)2P(S)CH2CH2P(S)(C6H5)2).
Authors: SELF M. F. , LEE B. , SANGOKOYA S. A. , PENNINGTON W. T. , ROBINSON G. H.
Published: May 2016

The two title compounds (III) (space group P21/n, Z=4) and (V) (P1, Z=2) are characterized by X‐ray structure analysis.
ChemInform Abstract: Synthesis and Single‐Crystal X‐Ray Structural Investigation of 1,1‐Bis(pentacarbonylmanganio)‐3,4‐dimethylgermacyclopent‐3‐ene and Bis(1‐(tetracarbonylferrio)‐3,4‐dimethylgermacyclopent‐3‐ene): The First Evidence for a Puckered Ground‐State Conformation in Germacyclopent‐3‐enes.
Authors: LEI D. , HAMPDEN‐SMITH M. J. , DUESLER E. N. , HUFFMAN J. C.
Published: May 2016

(III) crystallizes in P1 with Z=2 and (VI) in P1 with Z=1.
ChemInform Abstract: Organic Syntheses via Transition Metal Complexes. Part 44. Condensation of Methyl Carbene Complexes with Acid Amides: β‐Alkoxyalkenyland β‐Aminoalkenyl Carbene Complexes of Chromium and Tungsten ‐ Competition of Condensation and Insertion.
Authors: AUMANN R. , HINTERDING P.
Published: May 2016

The condensation of the methyl(ethoxycarbene)‐W complex (II) with acid amides e.g. (I) under the influence of POCl3/NEt3 leads stereoselectivily to (E)‐β‐aminoalkenyl(ethoxycarbene) complexes of the type (III).
ChemInform Abstract: Activated Molybdenum‐Molybdenum Quadruple Bonds. Synthesis, Structure, and Properties of (Mo2(O2CMe)2(en)4)((O2CMe)2)·en: A Solid‐State Model for a Solvent‐Shared Ion Pair.
Authors: EICHHORN B. W. , KERBY M. C. , HAUSHALTER R. C. , VOLLHARDT K. P. C.
Published: May 2016

The air‐sensitive complex (III) is characterized by IR and 1H and 13C NMR spectroscopy, thermal gravimetric analysis and single‐crystal X‐ray diffraction (space group C2/m, Z=4).
ChemInform Abstract: A New Ortho‐Metalated Dichloro‐Bridged Complex of Iridium(III) with 2,2′‐Bipyridine: ((Ir(bpy‐C3,N′)(bpy‐N,N′)Cl)2)(Cl)2.
Authors: GARCES F. O. , WATTS R. J.
Published: May 2016

Under controlled conditions the novel title complex (IV) is obtained (no yield given).
ChemInform Abstract: Preparation and Properties of (M(S2N3(SO2NH2))(PR3)2) and (Pt(SO2(NH)2)(PR3)2) from Reactions in Liquid Ammonia.
Authors: PARKIN I. P. , WOOLLINS J. D.
Published: May 2016

The reactions of complexes such as (I) to give (III) may be carried out also with SO2Cl2 which is an in situ source for (II).
ChemInform Abstract: Transformation of a Monovinylporphyrin to Benzoporphyrins via Diels‐Alder Adducts.
Authors: YON‐HIN P. , WIJESEKERA T. P. , DOLPHIN D.
Published: May 2016

Coupling of the pyrrolylacetate (II) with the pyrrole‐2‐carbaldehyde (III) gives the dipyrromethene (IV) which undergoes ring closure with the related compound (V), yielding the porphyrinacetate (VI).
ChemInform Abstract: Tetranortriterpenoids Related to Nimbin and Nimbolide from Azadirachta indica A. Juss.
Authors: BOKEL M. , CRAMER R. , GUTZEIT H. , REEB S. , KRAUS W.
Published: May 2016

Three new tetranortriterpenoids, 6‐deacetylnimbinal (I), nimbinol (II) and 28‐deoxonimbolide (III) are isolated from Azadirachta indica.
ChemInform Abstract: Asymmetric Alkylations of a Sultam‐Derived Glycinate Equivalent: Practical Preparation of Enantiomerically Pure α‐Amino Acids.
Authors: OPPOLZER W. , MORETTI R. , THOMI S.
Published: May 2016

The chiral sultam (I) derived from camphorsulfonic acid, is coupled with the N‐(bis(methylthio)methylene)glycinate (II) to form the sulfonamide (III).
ChemInform Abstract: Organic Nitrates. O‐(2,3‐Dihydroxypropyl)‐1,4:3,6‐dianhydrohexitol Nitrates.
Authors: STOSS P. , SCHLUETER G. + , AXMANN R.
Published: May 2016

The isohexide mononitrate (I) is converted to the O‐(2,3‐epoxypropyl) derivative (IV) by coupling with allyl bromide (II) and subsequent oxidation or by direct reaction with epibromohydrin (V).
ChemInform Abstract: 3′‐(1,2,3‐Triazol‐1‐yl)‐2′,3′‐dideoxythymidine and 3′‐(1,2,3‐Triazol‐1‐yl)‐2′,3′‐dideoxyuridine.
Authors: WIGERINCK P. , VAN AERSCHOT A. , CLAES P. , BALZARINI J. , DE CLERCQ E. , HERDEWIJN P.
Published: May 2016

Cycloaddition of different acetylenic compounds such as (II), (IV), (VI) to the azido function of AZT (III) gives rise to a number of triazolyl derivatives such (I), (V), or (VII).
ChemInform Abstract: Synthetic Study Toward Vineomycins. Synthesis of C‐Aryl Glycoside Sector via Cp2HfCl2‐AgClO4‐Promoted Tactics.
Authors: MATSUMOTO T. , KATSUKI M. , JONA H. , SUZUKI K.
Published: May 2016

The glycosyl fluoride (I) is coupled with β‐naphthol (II) in the presence of hafnocene dichloride/silver perchlorate or boron trifluoride etherate to yield the 1‐(2‐hydroxy)naphthyl glycosides (III).
ChemInform Abstract: Studies on Antifungal Agents. In vitro Activity of Novel cis‐5‐Alkoxy‐(or Acyloxy)alkyl‐3‐phenyl‐3‐(1H‐imidazol‐1‐ylmethyl)‐2‐methylisoxazolidine Derivatives.
Authors: MARYNIAK D. M. , MULLEN G. B. , ALLEN S. D. , MITCHELL J. T. , KINSOLVING C. R. , GEORGIEV V. ST.
Published: May 2016

1,3‐Dipolar cycloaddition reaction of the nitrone (I) with the ω‐hydroxyalkenes (II) yields the isoxazolidines (III) of which (IIIa) is converted to various O‐substituted derivatives such as (VIIa) ‐ (VIIc) via etherification or esterification processes followed by chromatographic work‐up.
ChemInform Abstract: Electronic Band Structure of Al2O3, with Comparison to AlON and AlN
Authors: FRENCH R. H.
Published: May 2016

Review: (discussion of the investigation methods (i.e.
ChemInform Abstract: Preparation of Mullite Cordierite Composite Powders by the Sol‐Gel Method: Its Characteristics and Sintering.
Authors: ISMAIL M. G. M. U. , TSUNATORI H. , NAKAI Z.
Published: May 2016

Mullite (3 Al2O3·2 SiO2)/cordierite (2 MgO·2 Al2O3·5 SiO2) composite powders containing up to 60 wt.% cordierite (M/C 60) are prepared by the sol‐gel process using boehmite, colloidal silica, and Mg(NO3)2 as starting materials.
ChemInform Abstract: Glasses in the System Phosphorus‐Sulfur: A 31P Spin‐Echo and High‐Speed MAS‐NMR Study of Atomic Distribution and Local Order.
Authors: TULLIUS M. , LATHROP D. , ECKERT H.
Published: May 2016

The NMR results show that S=PS3/2 groups form the principal short‐range‐order environment in glasses of the P‐S system throughout the entire region of glass formation.
ChemInform Abstract: 57Fe and 169Tm Moessbauer Effect and Magnetic Properties of Tm2Fe15M2 (M: Al, Ga, Si).
Authors: GUBBENS P. C. M. , VAN DER KRAAN A. M. , JACOBS T. H. , BUSCHOW K. H. J.
Published: May 2016

Substitution of Al, Ga, or Si for Fe in Tm2Fe17 is found to significantly increase the Curie temp. and the spin reorientation temp. (TSR).
ChemInform Abstract: Influence of Stoichiometry on the Microstructure and Positive Temperature Coefficient of Resistivity (PTCR) of Semiconducting Barium Titanate Ceramics.
Authors: LIN T.‐F. , HU C.‐T. , LIN I.‐N.
Published: May 2016

It is demonstrated that the Ba/Ti ratio of semiconducting (i.e.
ChemInform Abstract: Laser‐Induced Calcite‐Aragonite Transition.
Authors: ALAM M. , DEBROY T. , ROY R.
Published: May 2016

It is found that the irradiation of 10‐20 μm‐size particles of CaCO3 (calcite I) with a pulsed CO2 laser beam results in two competing processes, phase transformation and thermal decomposition.
ChemInform Abstract: Intercalation of Metal Complex Cations in Polyoxometallates: Formation of Composite Films with Distinct Electrocatalytic Centers.
Authors: KULESZA P. J. , ROSLONEK G. , FAULKNER L. R.
Published: May 2016

It is demonstrated that codeposition of silicotungstates with complex metal cations such as Os(bpy)32+ (bpy: 2,2'‐bipyridine) or Ru(III),(IV)‐oxo species leads to the formation of novel composite polynuclear films on glassy carbon electrodes, containing three‐dimensional distributed, distinct catalytic centers and can serve as multi‐purpose electrocatalysts.
ChemInform Abstract: Effects of Varying the Zirconium Concentration and 1 wt.% Y on High Temperature Oxidation of Fe‐15 wt.%Cr‐4 wt.%Al Alloy Under Isothermal and Cyclic Conditions.
Authors: PANDEY J. L. , PRAKASH S. , MEHTA M. L.
Published: May 2016

The addition of 1 wt.% Zr has a deleterious effect on the oxidation behavior of the title alloy in air and O2 atmospheres at temp. in the range 1000‐1300 °C. However, in O2‐10% H2O environment, the addition of 1 wt.% Zr or 1 wt.% Y improves the oxidation resistance of the alloy.
ChemInform Abstract: Formation and Reactivity of Hypophosphite and Phosphite Radicals and Their Peroxyl Derivatives.
Authors: SHASTRI L. V. , HUIE R. E. , NETA P.
Published: May 2016

The formation and properties of radicals derived from H2PO2‐ and H2PO3‐ in aqueous solutions are studied by pulse and γ‐radiolysis techniques.
ChemInform Abstract: Effects of Cobalt Loading on the Properties of Alumina‐Supported Cobalt Oxide.
Authors: TUNG H.‐C. , YEH C.‐T. , HONG C.‐T.
Published: May 2016

A series of Co/Al2O3 catalysts with Co loadings in the range 0.1‐16% is studied after calcination at 773 K by means of diffuse reflectance spectroscopy, temp.‐programmed reduction, EPR, and XRD.
ChemInform Abstract: Double Sulfates of PuIII and Some Lanthanoids with Ammonium.
Authors: IYER P. N. , NATARAJAN P. R.
Published: May 2016

NH4Pu(SO4)2·4 H2O and NH4Ln(SO4)2·4 H2O (Ln: Y, Dy, Ho, Er) are prepared by simple precipitation methods.
ChemInform Abstract: Crystal Structure of UNi1.6As2.
Authors: TROC R. , KACZOROWSKI D. , NOEL H. , GUERIN R.
Published: May 2016

Single crystals of UNi1.6As2 are prepared by melting a multi‐phase sample with nominal composition UNi2As2 at 1500 °C. The compound crystallizes in the tetragonal CaBe2Ge2‐type structure, space group P4/nmm.
ChemInform Abstract: The Existence Range of the Ba8Pt4Y3O17.5‐Type Structure ‐ Ba8Pt4Sc3O17.5 and Ba8Pt4Tb3O17.5.
Authors: GUTAU W. , MUELLER‐BUSCHBAUM HK. +
Published: May 2016

The title compounds are prepared by reaction of BaCO3 and Ln2O3 in a Pt crucible using a BaCl2 flux (BaCO3:Ln2O3:BaCl2 = 1:1:2, 1030 °C, air).
ChemInform Abstract: Bora‐Aromatic Systems. Part 11. Aromatic Stabilization of the Triarylborirene Ring System by Tricoordinate Boron and Facile Ring Opening with Tetracoordinate Boron.
Authors: EISCH J. J. , SHAFII B. , ODOM J. D. , RHEINGOLD A. L.
Published: May 2016

To remove uncertainties in the apparent C=C and B‐C bond lengths of the borirene ring, as previously estimated from an X‐ray analysis of (IIa), the unsymmetrically substituted (IIb) is prepared by the photorearrangement of (Ib).
ChemInform Abstract: 1,5‐Bis‐(N‐benzyl‐N,N‐diethylammonium)diethylether, Dichloride (BBDE Cl). A Novel Bis‐ammonium Salt as Phase‐Transfer Catalyst.
Authors: ALVAREZ‐BUILLA J. , VAQUERO J. J. , GARCIA NAVIO J. L. , CABELLO J. F. , SUNKEL C. , FAU DE CASA‐JUANA M. , DORREGO F. , SANTOS L.
Published: May 2016

The title compound (I) can be used in a great variety of phase‐transfer reactions, producing in some of them the same yields as other well‐established catalysts.
ChemInform Abstract: Hydrosilylation Catalyzed by Metal Colloids: A Relative Activity Study.
Authors: LEWIS L. N. , URIARTE R. J.
Published: May 2016

The relative activities of the platinum group metal colloids are measured in the shown hydrosilylation reactions.
ChemInform Abstract: Synthesis of Optically Active Silyl‐Protected Cyanohydrins.
Authors: BRUSSEE J. , LOOS W. T. , KRUSE C. G. , VAN DER GEN A.
Published: May 2016

Mandelonitrile lyase as present in a crude extract of almond flour is tested for the synthesis of several chiral cyanohydrins such as (III).
ChemInform Abstract: Dynamic Kinetic Resolution in BINAP‐Ruthenium(II) Catalyzed Hydrogenation of 2‐Substituted 3‐Oxo Carboxylic Esters.
Authors: KITAMURA M. , OHKUMA T. , TOKUNAGA M. , NOYORI R.
Published: May 2016

The title hydrogenation of the chiral acyclic oxo ester (Ia) is highly enantioselective, but not diastereoselective, to give the syn‐ and anti‐hydroxy esters (IIa) and (IVa).
ChemInform Abstract: Metalation Reactions. Part 14. Regiospecific Preparation of Polysubstituted Benzenes via Mono‐ or Dilithiation Reactions of Aromatic Thioethers.
Authors: CABIDDU S. , FATTUONI C. , FLORIS C. , GELLI G. , MELIS S. , SOTGIU F.
Published: May 2016

Functionalized aromatic thioethers such as (IV), (V), (VII), (X), (XIII) can be prepared either by one‐step dilithiation followed by reaction with electrophiles, e.g. (III), or by two successive one‐flask monometalation reactions, each followed by quenching with a different electrophile.
ChemInform Abstract: Electrophilic Addition of 4′‐Nitrobenzenesulfenanilide to Alkynes. Effects of Aryl and Alkyl Substituents at Ring Carbons of Intermediate Thiirenium Ions.
Authors: BENATI L. , MONTEVECCHI P. C. , SPAGNOLO P.
Published: May 2016

The BF3‐promoted addition of the title compound (I) to the alkynes (II) gives the products (III) and (IV), when the reaction is performed in benzene or likewise in CH2Cl2 or toluene.
ChemInform Abstract: (2,3)‐Wittig Rearrangement of Nonracemic Propargyl Ethers Leading to Allenes of High Stereochemical Integrity.
Authors: MARSHALL J. A. , ROBINSON E. D. , ZAPATA A.
Published: May 2016

Coupling of the acetylenes (I) with acetaldehyde (II) and subsequent oxidation yield the acetylenic ketones (III).
ChemInform Abstract: Water as a Solvent for the Claisen Rearrangement: Practical Implications for Synthetic Organic Chemistry.
Authors: GRIECO P. A. , BRANDES E. B. , MCCANN S. , CLARK J. D.
Published: May 2016

The (3,3)sigmatropic Claisen rearrangement of allyl vinyl ethers such as (I), (III), (V), and (VII), yielding the corresponding aldehydes (II), (IV), (VI), and (VIII), proceeds in water as a solvent more quickly under milder conditions and with higher yields than in hydrocarbons.
ChemInform Abstract: A “Frustrated” Cope Rearrangement: Thermal Interconversion of 2,6‐Diphenylhepta‐1,6‐diene (I) and 1,5‐Diphenylbicyclo(3.2.0)heptane (II).
Authors: ROTH W. R. , LENNARTZ H.‐W. , VON E. DOERING W. , BIRLADEANU L. , GUYTON C. A. , KITAGAWA T.
Published: May 2016

Kinetics and theoretical calculations are reported for the rearrangements given in the scheme.
ChemInform Abstract: Asymmetric Halogenation and Hydrohalogenation of trans‐2‐Butenoic Acid in a Crystalline α‐Cyclodextrin Complex.
Authors: TANAKA Y. , SAKURABA H. , NAKANISHI H.
Published: May 2016

The solid inclusion complex of trans‐2‐butenoic acid in the cavity of α‐cyclodextrin is exposed to HBr or HCl gas for up to 65h. After work‐up, the corresponding (S)‐3‐halobutanoic acid is obtained.
ChemInform Abstract: Polyfluoroalkylation of Bromo Heterocyclic Compounds via Perfluoroalkylcopper Intermediates.
Authors: CHEN G. J. , TAMBORSKI C.
Published: May 2016

The heterocyclic aromatic compounds (I) react with perfluorohexyl iodide (II) to form the perfluorohexyl‐substituted aromatic compounds (III).
ChemInform Abstract: Regiospecific Alkylation of 3‐Substituted 2‐Cyclohexen‐1‐ones. Synthesis and Conformational Analysis of 6‐(Carbethoxymethyl)‐3‐Substituted 2‐Cyclohexen‐1‐ones.
Authors: PODRAZA K. F. , BASSFIELD R. L.
Published: May 2016

Treatment of the cyclohexenones (I) with LDA or lithium bis(trimethylsilyl)amide forms regiospecifically an α'‐dienolate intermediate which reacts immediately with ethyl bromoacetate (II) to give the alkylation products (III).
ChemInform Abstract: The Use of Stochastic Search in Looking for Homeomorphic Isomerism: Synthesis and Properties of Bicyclo(6.5.1)tetradecane.
Authors: SAUNDERS M. , KRAUSE N.
Published: May 2016

The stochastic search method (recently applied to bicyclic hydrocarbons by Saunders (1987) and (1989)) predicts the bicyclo(6.5.1)tetradecane isomers (V)‐(VII) to have almost the same MM2 strain energy (40.18, 42.15, and 42.44 kcal/mol, respectively).
ChemInform Abstract: Chemistry and Structure of Phenylcubanes.
Authors: BASHIR‐HASHEMI A. , AMMON H. L. , CHOI C. S.
Published: May 2016

Treatment of the 1,4‐bisaminocarbonylcubane (I) with butyllithium and magnesium dibromide results in the formation of a twofold Grignard compound which reacts with bromobenzene (II) to give the diphenylcubane (III).
ChemInform Abstract: Stereospecific Nucleophilic Addition Reaction of Thiophenol to α,β‐Unsaturated Esters.
Authors: MIYATA O. , SHINADA T. , NAITO T. , NINOMIYA I.
Published: May 2016

The unsaturated esters and lactones (I) react with excess thiophenol (II) in the presence of lithium thiophenoxide to yield predominantly the trans‐adducts (III).
ChemInform Abstract: Studies on Organosilicon Chemistry. Part 106. Ketene Dithioacetals in Organic Synthesis: Synthesis of Silylketene Dithioacetal and Some Reactions with Substituted Benzaldehydes.
Authors: TOMINAGA Y. , MATSUOKA Y. , KAMIO C. , HOSOMI A.
Published: May 2016

1,1‐Bis(methylthio)‐2‐trimethylsilylethene (VII), prepared from chloromethyltrimethylsilane (I) via the dithioacetate (VI), undergoes coupling with the aromatic aldehydes (VIII) to form the alcohols (IX), together with the thioesters (X) and (XIa).
ChemInform Abstract: Photoinduced Electron Transfer Oxidation. Part 6. Photoinduced Electron Transfer Oxygenation of Triphenylcarbenium Ion.
Authors: FUTAMURA S. , KAMIYA Y.
Published: May 2016

Trityl tetrafluoroborate (I) is irradiated in the presence of oxygen and naphthalene to form benzophenone (II), trityl phenyl ether (III), and ditrityl peroxide (IV).
ChemInform Abstract: On the Conformational Isomers in Tetra‐O‐alkylcalix(4)arenes.
Authors: ARAKI K. , IWAMOTO K. , SHINKAI S. , ATSUDA T.
Published: May 2016

The calixarene (I) reacts with the alkyl halides (II) to form the corresponding alkyl ethers (III).
ChemInform Abstract: Synthesis and Properties of Benzo(1,2:4,5)dicycloheptene‐3,6,9,12‐tetraone. A New Type of Electron Acceptor.
Authors: KATO M. , MITSUDA M. , TATSUMOTO T. , UCHIDA R. , ICHIMURA A.
Published: May 2016

Silver(I)‐promoted cleavage and rearrangement of the dibromocyclopropane moieties in the pentacycle (VIII) and subsequent elimination of trifluoroacetic acid produce the isomeric benzodicycloheptatrienes (X) and (XI).
ChemInform Abstract: β‐Lactam Analogues of Oxotremorine. 3‐ and 4‐Methyl‐Substituted 2‐Azetidinones.
Authors: NILSSON B. M. , RINGDAHL B. , HACKSELL U.
Published: May 2016

The β‐lactams (II), prepared by pyridinium salt induced cyclization of the amino acids (I), are coupled with propargyl bromide (III) to produce the N‐propargylazetidinones (IV).
ChemInform Abstract: Palladium‐Catalyzed Synthesis of 2‐Substituted Indoles.
Authors: RUDISILL D. E. , STILLE J. K.
Published: May 2016

Cross‐coupling reaction of 2‐bromo‐N‐acetylaniline (I) with the alkynylstannanes (II), forming the 2‐alkynylanilines (III), is performed in the presence of palladium(0).
ChemInform Abstract: Imidazo(2,1‐b)benzothiazoles. Part 2. Synthesis and Antiinflammatory Activity of Some Imidazo(2,1‐b)benzothiazoles.
Authors: EL‐SHORBAGI A.‐N. , SAKAI S. , EL‐GENDY M. A. , OMAR N. , FARAG H. H.
Published: May 2016

Reaction of the imidazobenzothiazoles (I) with acrylic acid (II) yields the propionic acids (III) which are esterified to give the methyl esters (V).
ChemInform Abstract: Synthesis and Antihypertensive Activity of 4‐(1,2‐Dihydro‐2‐oxo‐1‐pyridyl)‐2H‐1‐benzopyrans and Related Compounds, New Potassium Channel Activators.
Authors: BERGMANN R. , GERICKE R.
Published: May 2016

The dihydrobenzopyran epoxides (IV) and the bromobenzopyran (VIII), prepared as outlined in the reaction scheme, are coupled with N‐heterocycles such as (V) to give the corresponding substitution products (VI) and (IX).
ChemInform Abstract: Synthesis of 4‐(Arylthio)‐ and (Alkylthio)thiochromans.
Authors: NAKAZAWA T. , SATO K. , ITABASHI K.
Published: May 2016

Addition of the α,β‐unsaturated aldehydes (II) to the thiophenols (I) in the presence of sulfuric acid leads to the formation of the 3‐phenylthiopropionaldehydes (III) which react with the thiols (IV) to give the hemithioacetals (V).
ChemInform Abstract: Alkaline Metal Fluorides in Graphite. New Catalysts in Organic Synthesis. Part 1. Reactions of Polyfluoroaromatic Compounds with O‐ and N‐Nucleophilic Agents.
Authors: AKSENOV V. V. , VLASOV V. M. , DANILKIN V. I. , RODIONOV P. P. , SHNITKO G. N.
Published: May 2016

Alkaline metal fluoride graphite intercalates of the general formula C8MF, in which M is Li, K, Rb, or Cs, catalyze nucleophilic aromatic substitution reactions of polyfluoroaromatic compounds, as outlined in the reaction scheme.
ChemInform Abstract: Reversible Inhibitors of the Gastric (H+/K+)‐ATPase. Part 1. 1‐Aryl‐4‐methylpyrrolo(3,2‐c)quinolines as Conformationally Restrained Analogues of 4‐(Arylamino)quinolines.
Authors: BROWN T. H. , IFE R. J. , KEELING D. J. , LAING S. M. , LEACH C. A. , PARSONS M. E. , PRICE C. A. , REAVILL D. R. , WIGGALL K. J.
Published: May 2016

The diaminoquinoline (IV), prepared from the chloronitroquinoline (I) and the aniline (II) and subsequent reduction, is cyclized by reaction with formic acid (V), NaNO2 (VII), or CS2 (IX) to give the five‐membered heterocycles (VI), (VIII), and (X).
ChemInform Abstract: Synthesis of 4‐Oxopyrrolo(1,2‐a)pyrimidine‐3‐carboxylic Acid Derivatives as Potential Antimicrobial Agents.
Authors: BAYOMI S. M. , AL‐OBAID A. R. M. , JADO A. I. , LOUTFY E. A.
Published: May 2016

The synthesis of the title compounds, e.g. (IV), is achieved by reaction of 2‐aminopyrroles, e.g. (I), with the ethoxymethylenemalonate (II) followed by cyclization of the aminomethylene derivative (III).
ChemInform Abstract: Synthesis of 3‐(3,4‐Dihydro‐4‐oxothieno(2,3‐d)pyrimidine‐2‐yl)propionic Acid.
Authors: PECH R. , SCHLEIERMACHER E. , BOEHM R. +
Published: May 2016

The condensation of the 2‐amino‐3‐carboxylic acid ester (Ia) or the amide (Ib) with succinic anhydride (II) gives the adducts (III).
ChemInform Abstract: A Novel Electrochemical Synthesis of Ureides from Esters.
Authors: ARAI K. , TAMURA S. , KAWAI K. , NAKAJIMA S.
Published: May 2016

Electrolysis of a mixture of the diethyl malonates (I) and the ureas (II) results in cyclization to give the barbiturates (III).
ChemInform Abstract: Pterine Chemistry. Part 87. Regiospecific Synthesis of (Polyhydroxypropyl)‐pterins: Synthesis of D‐Anapterin and L‐Primapterin.
Authors: VISCONTINI M. , BOSSHARD R.
Published: May 2016

The in situ formed semicarbazones (I) and (IV) of D‐ribose or 5‐deoxy‐L‐arabinose, resp., are efficiently used in condensation reactions with the triaminopyrimidinone (II) to provide the title products (III) (D‐anapterin) and (V) (L‐primapterin).
ChemInform Abstract: Design and Synthesis of 4H‐3,1‐Benzoxazin‐4‐ones as Potent Alternate Substrate Inhibitors of Human Leukocyte Elastase.
Authors: KRANTZ A. , SPENCER R. W. , TAM T. F. , LIAK T. J. , COPP L. J. , THOMAS E. M. , RAFFERTY S. P.
Published: May 2016

Numerous (175) benzoxazinones are synthesized by different methods partially outlined in the reaction scheme.
ChemInform Abstract: Transition‐Metal‐Catalyzed Cyclization of (a,c) Biladiene Salts as an Efficient Route to the Synthesis of Alkyl Porphyrins.
Authors: BOSCHI T. , PAOLESSE R. , TAGLIATESTA P.
Published: May 2016

The previously studied cyclization of 1,19‐unsubstituted (a,c)‐biladiene salts catalyzed by Cr(III), Ru(III) and Rh(III) is now extended to several 1,19‐disubstituted analogues such as (I).
ChemInform Abstract: New Tetraheterocyclic Macrocycles Containing Triazole, Pyrazole, Pyridine, and/or Furan Subunits. Synthesis and Cation Binding Properties.
Authors: TARRAGO G. , MARZIN C. , NAJIMI O. , PELLEGRIN V.
Published: May 2016

The synthesis of tetraheterocyclic macrocyclic ligands such as (III) is performed as outlined in the reaction scheme.
ChemInform Abstract: Isolation and Unusual Stability of a New Macrocyclic Polyamine Containing a Phthalimidine.
Authors: KIMURA E. , YOSHIYAMA Y. , SHIONOYA M. , SHIRO M.
Published: May 2016

The dibromide (I) is cyclized with the pentamine pentatosylate (II) to yield the macrocycle (III).
ChemInform Abstract: Functionalized Basket‐Shaped Hosts. Synthesis and Complexation Studies with (Alkali) Metal and Ammonium and Diammonium Ions.
Authors: SMEETS J. W. H. , VAN DALEN L. , KAATS‐RICHTER V. E. M. , NOLTE R. J. M.
Published: May 2016

The basket‐shaped hosts such as (IIIa) are prepared by reaction of the concave building block (I) with primary amines such as (II).
ChemInform Abstract: Chemistry of Organosilicon Compounds. Part 263. Synthesis, Properties, and Molecular Structure of Highly Distorted Hexakis(trimethylsilyl)benzene.
Authors: SAKURAI H. , EBATA K. , KABUTO C. , SEKIGUCHI A.
Published: May 2016

The title compound (III), the most distorted benzene to a chair form, crystallizes in the space group P212121 with Z=4.
ChemInform Abstract: Relative Reactivity of Decamethylsilicocene and Decamethylsamarocene: Reduction of (C5Me5)2SiCl2 by Sm(II) Reagents.
Authors: EVANS W. J. , ULIBARRI T. A. , JUTZI P.
Published: May 2016

Studies show that decamethylsamarocene (II) is the more strongly reducing of the two title complexes.
ChemInform Abstract: Reaction of Vinylacetylenic Sulfones with Alkanethiols and Amines.
Authors: KURAKIN O. A. , STADNICHUK M. D.
Published: May 2016

Reaction of the 1‐alken‐3‐ynyl aryl sulfones (I) with ethanethiol (II) gives the 2‐ethylthio‐3‐alkynyl sulfones (III), the 4‐ethylthio‐1,3‐alkadienyl sulfones (IV) and (V), or the ethyl nitrophenyl sulfide (VI) depending on M and the reaction conditions.
ChemInform Abstract: Aspects of the Cleavage of Phosphines with Potassium: Synthesis and Reactivity of Lithium and Potassium Bis(p‐(dimethylamino)phenyl)phosphide.
Authors: TOTH I. , HANSON B. E. , DAVIS M. E.
Published: May 2016

From the cleavage of arylphosphines with different alkali metals to yield phosphides, it is concluded that it is difficult to predict the success of a particular phosphine cleavage reaction.
ChemInform Abstract: Reaction of Aryltetraiodophosphoranes with N‐Si Compounds.
Authors: KOVALEVA T. V.
Published: May 2016

Due to equilibration with the corresponding arylphosphonous diiodides and iodine, the aryltetraiodophosphoranes (I) react in solution with the N‐trimethylsilylphosphine imide (II) to give the phosphonium salts (III).
ChemInform Abstract: Reaction of Aminoarsines with Carbon Disulfide.
Authors: KOKOREV G. I. , BADRUTDINOV SH. KH. , AL'METKINA L. A. , YAMBUSHEV F. D.
Published: May 2016

The arsonous (arsinous) amides (I) and the arsonamidous halides (XII) are coupled with carbon disulfide (II) to give the dithiocarbamates (III) and (XIII) respectively.
ChemInform Abstract: Synthesis and Properties of Germa‐γ‐Lactones.
Authors: KAKIMOTO N. , YOSHIWARA T. , AKIBA M. , ISHIDO Y.
Published: May 2016

As part of a study on synthetic biologically active organogermanium compounds, a simple method for the synthesis of (VI) is reported.
ChemInform Abstract: From Germenes to Transient Germanimines.
Authors: LAZRAQ M. , COURET C. , DECLERCQ J. P. , DUBOURG A. , ESCUDIE J. , RIVIERE‐BAUDET M.
Published: May 2016

The reactions of the germene (I), obtained by dehydrofluorination of the corresponding fluorogermane, with the diazo compounds (II) and (VI) lead to the cyclodigermazanes (IV) and (VIII), probably via transient germanimines (III) and (VII) with evolution of fluorenyl carbene from (I).
ChemInform Abstract: Arsenic‐Sulfur Heterocycle Formation via Metal Coordination. Synthesis and Molecular Structure of cyclo‐(CH3AsS)n (n = 3, 4), ((CO)3Mo)(η3‐cyclo‐(CH3As)6S3), and the Triple‐Decker‐Sandwich Complex (η5‐(C5H5)2Mo2(η2,μ‐As3)(η2,μ‐AsS)).
Authors: DIMAIO A.‐J. , RHEINGOLD A. L.
Published: May 2016

The metal‐mediated formation of the cycloarsathianes (IIIa) (space group P1, Z=4) and (IIIb) (Pn21a, Z = 8) occurs via the metal‐bound precursor (IV) (P21/c, Z=4) which can be isolated in 20% yield from the reaction of an excess of (I) with Mo(CO)6 and S8 (molar ratio 2.6:1.9:1.1) in a Carius tube at 100 °C. In the absence of Mo(CO)6, an array of oligomeric products is formed, many containing S‐S or As‐As bonds instead of the perfect S‐As alternation of the arsathianes.
ChemInform Abstract: Electrophilic Addition Reactions of Tungsten η2‐Allenyl Complexes Formed by Deprotonation of Four‐Electron Alkyne Ligands.
Authors: GAMBLE A. S. , BIRDWHISTELL K. R. , TEMPLETON J. L.
Published: May 2016

Deprotonation of a series of cationic W alkyne complexes e.g. (III) with strong bases (KH, LDA, or NaN(SiMe3)2) generates corresponding neutral η2‐allenyl complexes which exist as a mixture of the two isomers (IV) and (V) in solution at 25 °C. Since these allenyl complexes readily add electrophiles (H+ and Me+) at the γ‐C atom as demonstrated for the methylation at room temp. giving the two diastereomers (VII) and (VIII), they offer a route to systematically substitute cationic alkyne complexes at the alkyne γ‐C atom position.
ChemInform Abstract: Silicon‐Containing Carbene Complexes. Part 13. Synthesis and Properties of the 16‐Electron Carbene Complexes (CO)4MC(NR2)SiR′3 (M: Cr, Mo, W).
Authors: HEPP W. , SCHUBERT U.
Published: May 2016

Dialkylaminocarbene complexes of the type (III) are obtained using the amines (II).
ChemInform Abstract: Reaction Between Benzophenone and Ditungsten Hexaalkoxides. Molecular Structure and Reactivity of W(OCH2‐tBu)4(py)(η2‐OCPh2).
Authors: CHISHOLM M. H. , FOLTING K. , KLANG J. A.
Published: May 2016

In contrast to dialkylketones, the reactions between ditungsten hexaalkoxides and diaryl ketones proceed differently, yielding complex mixtures of products in which olefins are minor components.
ChemInform Abstract: Lipophilic Technetium Complexes. Part 9. The Reduction of (3‐Oxapentane‐1,5‐dithiolato)(p‐carbmethoxybenzenethiolato)oxotechnetium(V) by Tertiary Phosphines.
Authors: PIETZSCH H.‐J. , SPIES H. , HOFFMANN S.
Published: May 2016

The reduction of (I) is also possible with PMe2Ph, PBu3 and P(‐CH2‐CH2‐CN)3 as shown by electronic spectral data of the reaction products.
ChemInform Abstract: A New Mononuclear Thiolato Nickel(II) Square Planar Complex with an Uncommon (S2NO) Coordination.
Authors: KANATZIDIS M. G.
Published: May 2016

Treatment of the dimeric bis(2‐(2‐mercaptophenyl)salicylaldiminato)dinickel(II) with K‐S‐Ph gives the title complex (I) in 89% yield, which crystallizes in P21/c with Z=4.
ChemInform Abstract: Chelating Properties of Copper(II) Aminoanthracyclines: An ESR Study.
Authors: COSTA L. , MORAZZONI F. , SCOTTI R. , ANGELUCCI F. , SUARATO A. , MALATESTA V.
Published: May 2016

The spectromagnetic characterization of the Cu(II) complexes of the anthracyclines (I) shows that the NH2 group of (Ia) coordinates Cu(II) yielding a mononuclear complex, while (Ib) forms a polymeric complex with both NH2‐ and OH‐group coordination.