bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Conversion of Campholene‐ to Necrodane‐Type Monoterpenes. Short Stereoselective Synthesis of (‐)‐(R,R)‐β‐Necrodol and Its Three Stereoisomers.
Authors: SCHULTE‐ELTE K. H. , PAMINGLE H.
Published: May 2016

(‐)‐(R)‐Campholenyl acetate (I) is the starting compound for the synthesis of two stereoisomers (+)‐(VIa) and (+)‐(VIb) of (‐)‐(R,R)‐β‐necrodol (‐)‐(VIa) which in turn can be obtained starting from (+)‐(VIb) via the intermediates (VII) and (VIII).
ChemInform Abstract: Nonstereospecific Proton Removal in the Enzymatic Formation of Orsellinic Acid from Chiral Malonate.
Authors: WOO E.‐R. , FUJII I. , EBIZUKA Y. , SANKAWA U. , KAWAGUCHI A. , HUANG S. , BEALE J. M. , SHIBUYA M. , MOCEK U. , FLOSS H. G.
Published: May 2016

With the aid of the (R)‐ and (S)‐configurated malonates (IV) it is shown that in the enzymatic formation of orsellinic acid (III) from malonate (I) the proton abstraction at the positions 3 and 5 of the polyketide precursor (II) is not stereospecific and therefore not enzyme‐mediated; it also may occur while the molecule still resides in the chiral protein environment.
ChemInform Abstract: Clathridine and Its Zinc Complex: Novel Metabolites from the Marine Sponge Clathrina clathrus.
Authors: CIMINIELLO P. , FATTORUSSO E. , MAGNO S. , MANGONI A.
Published: May 2016

In addition to clathridine (I), which shows antimycotic activity, its yellow Zn complex is isolated from the marine sponge.
ChemInform Abstract: Synthesis of New Gramine‐Type Analogues of CC‐1065.
Authors: RAJESWARI S. , ADESOMOJU A. A. , CAVA M. P.
Published: May 2016

The compounds (VII) and (VIII) are analogues of the antitumor antibiotic CC‐1065 (IX).
ChemInform Abstract: Enantioselective Synthesis of the Carbapenem Ring System from (S)‐Proline.
Authors: ASADA S. , KATO M. , ASAI K. , INEYAMA T. , NISHI S. , IZAWA K. , SHONO T.
Published: May 2016

Coupling of the proline derivatives (I) with the ketene silyl acetals (II) yields the triesters (III) which are converted into the amino acid (IV) by hydrolysis or hydrogenation.
ChemInform Abstract: A New Route to Ferroelectric Liquid Crystals: The First Organo‐Transition‐Metal Compound Showing This Behavior.
Authors: ESPINET P. , ETXEBARRIA J. , MARCOS M. , PEREZ J. , REMON A. , SERRANO J. L.
Published: May 2016

The preparation of the title compound (V) via introduction of a chirality center (by reaction with a chiral carboxylate) into an ortho‐palladated azine, which forms SC meso phases, is described.
ChemInform Abstract: Electrochemistry of Niobium Chloride and Oxide Chloride Complexes in the Basic Aluminum Chloride‐1‐Methyl‐3‐ethylimidazolium Chloride Room‐Temperature Ionic Liquid.
Authors: SUN I.‐W. , HUSSEY C. L.
Published: May 2016

A solution of Nb(V)‐chloride in the title ionic liquid contains the chloro complex (NbCl6)‐.
ChemInform Abstract: The Reaction of NO3 with Atomic Oxygen
Authors: CANOSA‐MAS C. E. , CARPENTER P. J. , WAYNE R. P.
Published: May 2016

is studied by a discharge‐flow technique using the atomic resonance fluorescence method to detect atomic oxygen, O(3P).
ChemInform Abstract: Rate Constants for Reactions Between Atmospheric Reservoir Species. Part 1. HCl.
Authors: LEU M.‐T. , HATAKEYAMA S. , HSU K.‐J.
Published: May 2016

The results of systematic studies of the four reactions shown in the scheme by using a large‐volume static reactor and FTIR spectrometer at 296 K may be of importance in the elucidation of the role played by heterogeneous reactions in the development of the springtime Antarctic ozone depletion over the past decade.
ChemInform Abstract: Arsenic(IV). A Pulse‐Radiolysis Study.
Authors: KLAENING U. K. + , BIELSKI B. H. J. , SEHESTED K.
Published: May 2016

As(IV) species produced by reducing arsenate with the hydrated electron, by oxidizing arsenite with the carbonate radical anion CO·‐ 3, and by reaction of OH and O‐ with arsenious acid and arsenite are studied.
ChemInform Abstract: Synthesis of the Double Perxenate of Lanthanum and Barium.
Authors: SHUSTOV L. D. , TOLMACHEVA N. S. , NABIEV SH. SH. , IL'IN E. K. , KLIMOV V. D. , USHAKOV V. P.
Published: May 2016

The hitherto unknown title compound (I) is prepared in aqueous solution at room temp. from Na4XeO6·3 H2O, La(OAc)3 and Ba(OAc)2 (yields given in g).
ChemInform Abstract: A New Radiation‐Catalytic Route to Hydrazine and Ammonia.
Authors: DZIEGIELEWSKI J. O.
Published: May 2016

It is shown that N2 can be reduced to N2H4 and NH3 by γ‐radiation of a methanolic, N2‐saturated solution of (MoOCl(dppe)2)Cl (dppe: Ph2PCH2CH2PPh2).
ChemInform Abstract: Synthesis and Structural Characterization of Solid Solutions CdxHg1‐xB4O7 (x = 1, 0.75, 0.5, 0.25, 0).
Authors: LAUREIRO Y. , VEIGA M. L. , JEREZ A. , PICO C.
Published: May 2016

Microcrystalline solid solutions of CdxHg1‐xB4O7 with x = 0, 0.25, 0.5, 0.75, and 1 are prepared by heating stoichiometric mixtures of B(OH)3, Cd(OH)2, and HgO at temp. of 600‐673 K (24 h, static vacuum, no yields given).
ChemInform Abstract: Preparation and Investigation of the Double Phosphates of Hafnium and Sodium.
Authors: CHERNORUKOV N. G. , ZHUK M. I. , VELIKZHANINA E. N.
Published: May 2016

The hitherto unknown compounds Hf(HPO4)(NaPO4)·5 H2O and Hf(NaPO4)2·3 H2O are prepared by ion exchange in the system Hf(HPO4)2·H2O‐NaOH and characterized by XRD and IR spectroscopy.
ChemInform Abstract: Preparation and Properties of Nitridotechnetic(VI) Acid. Part 1. Observation of the ESR Spectrum of the (TcNF4)‐ Anion in Hydrofluoric Acid Solution.
Authors: BALDAS J. , BOAS J. F. , BONNYMAN J.
Published: May 2016

Hydrolysis of Cs2TcNCl5 (I) results in the loss of all five Cl ligands and the formation of a brown precipitate, nitridotechnetic(VI) acid, whose empirical formula weight closely corresponds to TcN(OH)3, but possible formulations include the polymeric compounds (TcN(O)(OH)H2O)n and (Tc2N2O3·3 H2O)n. Dissolution of (I) in conc.
ChemInform Abstract: Synthesis and Crystal Structure of (Xe2F+ 11)2NiF2‐ 6.
Authors: JESIH A. , LUTAR K. , LEBAN I. , ZEMVA B.
Published: May 2016

Reaction between NiF2, KrF2, and XeF6 in anhydrous HF as a solvent yields a red solid (IV) that decomposes in a dynamic vacuum at 25 °C yielding the darker red diamagnetic title compound (V) (no yield given).
ChemInform Abstract: Low‐Temperature Photoluminescence of Na+(cryptand(2.2.2))Na‐ Excited with a Picosecond Laser.
Authors: BANNWART R. S. , SOLIN S. A. , DE BACKER M. G. , DYE J. L.
Published: May 2016

The photoluminescence spectra of the title compound are examined as a function of the temp. in the range 7‐80 K and the photoluminescence lifetime as a function of emission wavelength at 7‐9 K. Low‐temp.
ChemInform Abstract: Sensitized and Heavy Atom Induced Production of Acenaphthylene Triplet: A Laser Flash Photolysis Study.
Authors: SAMANTA A. , FESSENDEN R. W.
Published: May 2016

At 315 nm a transient is observed (lifetime 10‐6 s) which is excited by sensitizers such as benzophenone and thioxanthone and in solvents containing EtBr or EtI.
ChemInform Abstract: Replacement Substituent Constants for Simple Heterocycles.
Authors: ROBINSON C. N. , WISEMAN L. J. JUN. , SLATER C. D.
Published: May 2016

13C NMR absorptions are reported for the β‐vinylic C atoms in 15 series of ethylenes such as (I) all bearing heterocyclic substituents R. The data are used to establish the best single‐parameter substituent constants, σ13, for the various heterocycles R as replacements for p‐substituted benzenes.
ChemInform Abstract: Semiconducting Organometallics: Electrical Conducting Behavior of Fe(CO)3(diene) Doped with Iodine and Their 57Fe Moessbauer Spectroscopic Studies.
Authors: MIYANAGA S. , YASUDA H. , SAKAI H. , NAKAMURA A.
Published: May 2016

A variety of diene, triene, and polyene complexes of Fe(CO)3 such as (I), as well as substituted ferrocenes and some other metal complexes (tables) behave as good semiconductors when pressed samples are exposed to iodine vapor.
ChemInform Abstract: X‐Ray Crystal Structure of ReH5(PPh3)3 and Variable‐Temperature T1 Studies on ReH5(PPh3)3 and ReH5(PMe2Ph)3 in Various Solvents: Are T1 Measurements Reliable in Predicting Whether Polyhydride Complexes Contain Molecular Hydrogen Ligands?
Authors: COTTON F. A. , LUCK R. L.
Published: May 2016

The variable‐temp.
ChemInform Abstract: Substituent Effects on the Electron Affinities of Perfluorobenzenes C6F5X
Authors: DILLOW G. W. , KEBARLE P.
Published: May 2016

(e.g.
ChemInform Abstract: Electrosynthesis of Symmetrical Ketones from Organic Halides and Carbon Dioxide Catalyzed by 2,2′‐Bipyridine Nickel Complexes.
Authors: GARNIER L. , ROLLIN Y. , PERICHON J.
Published: May 2016

The alkyl or aryl halides (I) are subjected to electrolysis in the presence of a nickel(II) bipyridyl catalyst and a tetrabutylammonium salt and then treated with carbon monoxide (II) to form the carbonylation and/or coupling products (III) ‐ (V), together with the hydrocarbons (VI).
ChemInform Abstract: An Unexpected Asymmetric Reduction of 4‐(1‐Nitro‐2‐oxocyclododecyl)butan‐2‐one. Determination of the Absolute Configuration of (‐)‐15‐Hexadecanolide.
Authors: STANCHEV S. , HESSE M.
Published: May 2016

Surprisingly, the reduction of (I) with both (‐)‐(R)‐ and (+)‐(S)‐Alpine‐Hydride leads to the same stereoisomer (+)‐(II), indicating that the configuration of the product is determined entirely by the quaternary chiral center of (I), i.e. by the complexation between the NO2 group and the B atom.
ChemInform Abstract: Homochiral Fluoroorganic Compounds. Part 13. Fluoromethyl‐Substituted Tertiary Alcohols from α‐Fluoro‐α′‐sulfinyl Ketones.
Authors: BRAVO P. , GANAZZOLI F. , PIOVOSI E. , RESNATI G.
Published: May 2016

Alkylation of the fluorosulfinylketone (I) proceeds with low diastereoselection to give the carbinols (III) and (IV) (X‐ray structure of (IIIb): space group P21, Z=4).
ChemInform Abstract: Addition of Carboxamides to Alkynyl Trifluoromethyl Sulfones.
Authors: HANACK M. , WILHELM B.
Published: May 2016

The title amides (II) as well as dimethyl sulfoxide (IV) undergo an unusual addition to alkynes, e.g. (I).
ChemInform Abstract: A Regioselective Cyclohexannulation Procedure via Dienamine (4 + 2) Cycloaddition. Synthesis of Functionalized Decalins.
Authors: SNOWDEN R. L. , LINDER S. M. , WUEST M. +
Published: May 2016

Cyclohexanones such as (I) or (IX) are converted to bicyclic dienoates such as (IV) or (XIII) in a regioselective cyclohexannulation procedure from intermediate dienamines such as (II) or (XI).
ChemInform Abstract: Cycloadditions of Substituted 1,2‐Dimethylenecyclopentanes. ‐ The Influence of Methyl Groups on the Rate of Diels‐Alder Reactions.
Authors: SUSTMANN R. , DAUTE P. , SAUER R. , SOMMER A. , TRAHANOVSKY W. S.
Published: May 2016

The preparation of various methyl‐substituted dimethylenecyclopentanes such as (IV) or (VII) by different routes is described involving Hofmann degradation (→ (IV)) or Wittig reaction (→ (VII)) procedures.
ChemInform Abstract: Decomposition Reaction of 3‐Aryl‐6‐disubstituted Amino‐1,4,2,5‐dithiadiazines in the Solid State.
Authors: YONEMOTO K. , SHIBUYA I.
Published: May 2016

Fourteen title compounds such as (I) and (II) are studied.
ChemInform Abstract: Stereochemistry of Thermal Ring Opening of Substituted 7‐(Ethoxycarbonyl)bicyclo(4.2.0)oct‐1(6)‐enes and Related Substances.
Authors: PIERS E. , LU Y.‐F.
Published: May 2016

The thermically‐induced ring opening reaction of the bicyclooctenes (III) and (VII), obtained by Diels‐Alder reaction of the cyclobutanes (II) and (VI) with the butenone (I), are studied.
ChemInform Abstract: Photochemical Reaction Between 1,4‐Naphthalenedicarbonitrile and α‐Substituted Benzylic Derivatives.
Authors: SULPIZIO A. , ALBINI A. , D'ALESSANDRO N. , FASANI E. , PIETRA S.
Published: May 2016

A range of 18 benzylic derivatives of the general formulae Ph‐CH2‐X and Ph2CH‐X such as, e.g., (II), (V), and (IX) is studied.
ChemInform Abstract: Intramolecular Cycloadditions of Alkenes to Oxyallyl Zwitterions Generated from Photorearrangements of 2,5‐Cyclohexadien‐1‐ones.
Authors: SCHULTZ A. G. , PLUMMER M.
Published: May 2016

Irradiation of the 2,5‐cyclohexadien‐1‐ones (I), (VI), and (VIII), all bearing homoallylic substituents at C4, leads to intramolecular cycloaddition processes.
ChemInform Abstract: Photostimulated Reactions of Neopentyl Halides with Nucleophiles by the SRN1 Mechanism.
Authors: BORNANCINI E. R. N. , PALACIOS S. M. , PENENORY A. B. , ROSSI R. A.
Published: May 2016

The neopentyl halides (I), (IV), or (XI) are irradiated in the presence of various nucleophiles, e.g. sodium diphenylphosphide, potassium arsenide, both generated in situ, or sodium selenide (XII), to yield the corresponding substitution products as shown in the reaction scheme.
ChemInform Abstract: Photosensitive Cyclomer Formation of 1,1′‐(1,2‐Ethanediyl)bis(pyridinyl) Diradical and Its Derivatives.
Authors: IKEGAMI Y. , MURAMATSU T. , HANAYA K.
Published: May 2016

Reduction of the bispyridinium salt (I) leads to the pure meso cyclomer (II) which is thermally converted into the pure dl cyclomer (III).
ChemInform Abstract: An ESR Study on Electron‐Capture Phosphorus‐Centered Radicals in Solid Matrices of Alkyl/Phenyl Phosphine Sulfides and Selenides.
Authors: AAGAARD O. M. , JANSSEN R. A. J. , BUCK H. M.
Published: May 2016

Low‐temp. X‐irradiation of sulfides Me2PhPX and MePh2PX (X: S) leads to the corresponding radical anions, in which the unpaired electron is located in an antibonding P‐S σ* orbital.
ChemInform Abstract: 2‐Isocyanato‐2‐alkenoates ‐ Synthesis and Reactions.
Authors: EFFENBERGER F. , BAUMGARTNER C. , KUEHLWEIN J. +
Published: May 2016

The title compounds (III) undergo the usual addition reactions at the isocyanate group.
ChemInform Abstract: Titanium(IV) Chloride‐Catalyzed Cyclopropanation of Alkenes Using Zinc Dust, Copper(I) Chloride, and Dihalomethanes.
Authors: FRIEDRICH E. C. , LUNETTA S. E. , LEWIS E. J.
Published: May 2016

The reaction of alkenes such as (I) with dibromomethane (II) by means of zinc dust and copper(I) chloride is catalyzed by 2 mol% TiCl4, yielding the cyclopropanes (III).
ChemInform Abstract: Comparative Analysis of Molecular‐Recognition Levels Attained During Capture of Chiral Cyclopentenyl Organometallics by Conformationally‐Immobilized Ketonic Systems.
Authors: PAQUETTE L. A. , HE W. , ROGERS R. D.
Published: May 2016

The reactions of cyclopentenyl organocerium reagents with optically active ketones are studied.
ChemInform Abstract: Syntheses of (1.1.1)Propellanes.
Authors: BELZNER J. , GAREISS B. , POLBORN K. , SCHMID W. , SEMMLER K. , SZEIMIES G.
Published: May 2016

The title compounds, e.g. (VIII)‐(XI), (XIV), (XVII), (XVIII), are accessible using two routes: 1. the "classical" cyclopropanation of bicyclobutane derivatives such as (I) gives rise to (VIIIa); (VIIIb), (IX), (X), and (XI) are synthesized by similar, partly modified procedures using appropriate precursors corresponding to (I) and (II).
ChemInform Abstract: Deamination Reactions. Part 53. Bridgehead Alkenes from Tricyclic Diazonium Ions.
Authors: KIRMSE W. , FELDMANN G.
Published: May 2016

The behavior of reactive intermediates such as (VII), which are bridgehead as well as cyclopropane diazonium ions, is studied.
ChemInform Abstract: Oxygenation of Olefinic Hydrocarbons Catalyzed by Iron(II) Acetonitrile Solvate.
Authors: KOBAYASHI S. , KOTANI E. , ISHII Y. , TOBINAGA S.
Published: May 2016

Cyclohexene (I) is oxidized by the reagent system (Fe(Me‐CN)6)2+/H2O2/ Ac2O generated in situ to give the diacetoxycyclohexanes (III) and (IV) as the main products.
ChemInform Abstract: Reactions of Borinic Esters with (1,1‐Dichloroalkyl)lithium. A Facile Synthesis of Tertiary Carbinols.
Authors: BAI J. , ZHOU W. , DING H.
Published: May 2016

The methyl borinates (I) are coupled with 1,1‐dichloroethyl(dichlorobenzyl)lithium (II) and then consecutively treated with aqueous sodium hydroxide and hydrogen peroxide, yielding the tertiary alcohols (IV) via alkyl migration and oxidative cleavage of the intermediate boronates (III).
ChemInform Abstract: A Convenient Synthesis of Polyfluorinated α,ω‐Diamines.
Authors: BALL T. F. , HENRIE R. N. II
Published: May 2016

The ditosylates (I), obtained from the corresponding diols by literature methods, are converted to the diazides (III) and then subjected to catalytic hydrogenation to give the diamines (IV).
ChemInform Abstract: A Route to Sterically‐Crowded Benzophenone N‐Arylimines.
Authors: STREKOWSKI L. , CEGLA M. T. , HARDEN D. B. , KONG S.‐B.
Published: May 2016

The azomethines (III), prepared by coupling of the aldehydes (I) with the anilines (II), react with the aryllithium agents (IV) to give the amines (V).
ChemInform Abstract: Azophilic Addition of Alkyllithium Reagents to Fluorenimines. The Synthesis of Secondary Amines.
Authors: DAI W. , SRINIVASAN R. , KATZENELLENBOGEN J. A.
Published: May 2016

The N‐substituted fluorenimines (I), obtained from fluorenone and the corresponding amines in the presence of TiCl4, undergo azophilic addition reaction with n‐butyllithium (II), forming the tertiary amines (III).
ChemInform Abstract: Enantiomerically Pure 7‐Oxabicyclo(2.2.1)hept‐5‐en‐2‐yl Derivatives (“Naked Sugars”) as Synthetic Intermediates. Part 7. Acid‐Catalyzed Rearrangement of 3‐Aza‐8‐oxatricyclo(3.2.1.02,4)octan‐6‐one Acetals. Highly Stereoselective Total Synthesis of 3‐Amino‐3‐deoxy‐D‐altrose and Derivatives.
Authors: NATIVI C. , REYMOND J.‐L. , VOGEL P.
Published: May 2016

The aziridines (V), obtained from the acetals (I), rearrange under acidic conditions to yield the protected amines (VI).
ChemInform Abstract: Thiophenes as Traps for Benzyne. Part 2. Cycloaddition and Ene Reactions.
Authors: REINECKE M. G. , DEL MAZZA D.
Published: May 2016

The thiophenes (I) react with benzyne (II), in situ generated from diphenyliodonium‐2‐carboxylate, to form the naphthalene derivatives (III) ‐ (V), together with minor amounts of the thionaphthalenes (VI) ‐(VIII) and the phenyl‐substituted thiophenes (IX) ‐ (XII).
ChemInform Abstract: Synthesis and Properties of Some Nitroxide α‐Carboxylate Salts.
Authors: KEANA J. F. W. , POU S. , ROSEN G. M.
Published: May 2016

Michael addition reaction of the nitro ester (I) with ethyl vinyl ketone (II) and subsequent reduction yield the nitrone (III) which is treated with the Grignard reagent (IV) and then hydrolyzed to generate the nitroxide (VIII).
ChemInform Abstract: Hydroxy Group as a Regio‐ and Stereochemical Control Element for Sequential Metal‐Catalyzed and Thermal Cyclizations.
Authors: TROST B. M. , LEE D. C.
Published: May 2016

Palladium‐catalyzed enyne cyclization of the hydroxy derivatives (I) yields stereoselectively the dimethylene five‐ring compounds (II).
ChemInform Abstract: Reaction of Dithiocarbamates with Nitrogen‐Containing Derivatives of Oxalic Acid.
Authors: FUELOEP V. + , KALMAN A. , BECKERT R. , FABIAN J.
Published: May 2016

The title reaction affords thiazolidines of type (III) (17 examples; X‐ray analysis of (IIIa)); isothiocyanates and dithiooxalamides are formed as by‐products.
ChemInform Abstract: Synthesis of Sulfur‐Oxygen‐Transposed Dihydro‐1,4‐oxathiin Derivative by Unusual Rearrangement of β‐Hydroxy‐1,3‐oxathiolanes.
Authors: LEE W. S. , HAHN H. G. , CHANG K. H.
Published: May 2016

Carboxin (V) is a systemic fungicide used for seed treatment.
ChemInform Abstract: Acrylamide Derivatives as Antiallergic Agents. Part 3. Synthesis and Structure‐Activity Relationships of N‐(4‐(4‐Diphenylmethyl‐1‐piperazinyl)butyl)‐ and N‐(4‐(4‐Diphenylmethylene‐1‐piperidyl)butyl)‐3‐heteroarylacrylamides.
Authors: NISHIKAWA Y. , SHINDO T. , ISHII K. , NAKAMURA H. , KON T. , UNO H.
Published: May 2016

The heteroarylacrylic acids (I) are coupled with the diamines (II) in the presence of a carbodiimide to produce the acrylic amides (III).
ChemInform Abstract: Di(1‐pyridinio)‐ and Di(1‐bipyridinediio)dihydrodibenzotetraaza(14)annulenes.
Authors: ADAMS F. , GOMPPER R. , KUJATH E.
Published: May 2016

The red title compounds, i.e. 9 derivatives of type (III)/(VIa), are analogues of porphyrins and phthalocyanines and may be of interest as new redox systems, as models for organic superconductors, and for the study of light‐induced electron transfer.
ChemInform Abstract: 1,8‐Anthracenediethynylbis(catechol Boronate): A Bidentate Lewis Acid on a Novel Framework.
Authors: KATZ H. E.
Published: May 2016

Coupling of 1,8‐dichloroanthracene (I) with the silylated ethynylmagnesium bromide (II) produces the compound (III) which is converted into 1,8‐diethynylanthracene (IV) by removal of the trimethylsilyl groups with potassium fluoride.
ChemInform Abstract: Silylative Decarbonylation: A New Route to Arylsilanes.
Authors: RICH J. D.
Published: May 2016

A new synthetic procedure for the preparation of aromatic chlorosilanes e.g. (III), (IV), (VII), and (IX) via the Pd‐catalyzed reaction of the methylchlorodisilanes (II) and (VI) and aromatic acid chlorides of the type (I) and (V) is described.
ChemInform Abstract: Thermal Isomerization of a Silacyclobutadiene to a Cyclopropenylsilylene: Evidence for a Stable Silylene in Fluid Solution.
Authors: PURANIK D. B. , FINK M. J.
Published: May 2016

The silacyclobutadiene (III), photogenerated from the trisilane (I) via the cyclopropenylsilylene (II) as shown, undergoes a clean isomerization to the thermodynamically more stable cyclopropenylsilylene (II) at 200 K in 3‐methylpentane solution.
ChemInform Abstract: The Synthesis and the Crystal and Molecular Structure of the Fungicide Bis(4‐fluorophenyl)methyl(1H‐1,2,4‐triazol‐1‐ylmethyl)silane (Flusilazole), DPX H 6573.
Authors: TACKE R. , BECKER B. , SCHOMBURG D.
Published: May 2016

The broadspectrum fungicide flusilazole (V) is prepared on laboratory scale from dichloro(chlormethyl)methylsilane (I) via coupling of the bis(p‐fluorophenyl)halomethylsilanes (III) with triazolyl sodium (IV).
ChemInform Abstract: Alkylation Properties of Phosphate Esters. Part 3. Reactivity of Dialkyl 2‐(Dimethylamino)ethyl Phosphates.
Authors: MODRO T. A. , MOORHOFF C. M.
Published: May 2016

The dimethylaminoethyl phosphates (III) are subjected to various cleavage, hydrolysis, or rearrangement processes in different solvents, yielding quaternary ammonium salts.
ChemInform Abstract: Synthesis and Iodination of Methyl 4‐(Tri‐n‐butylstannyl)benzoate, p‐(Methoxycarbonyl)phenylmercuric Chloride, and p‐(Methoxycarbonyl)phenylboronic Acid.
Authors: HYLARIDES M. D. , WILBUR D. S. , HADLEY S. W. , FRITZBERG A. R.
Published: May 2016

The p‐bromobenzoate (I) is treated with hexabutylditin (II) to yield the tributylstannylbenzoate (III).
ChemInform Abstract: Bimetallic Alkoxides of Tin(II), Lead(II), and Antimony(III): Synthesis and Characterization of (KSn(OR)3), (Sb(Sn(OR)3)3), and (Pb(Sb(OR)4)2).
Authors: ATHAR T. , BOHRA R. , MEHROTRA R. C.
Published: May 2016

The alkoxides (IV), (VI), and (VIII) mentioned in the title are prepared by consecutive treatment of tin dichloride (I) with potassium (II) in the alcohols (III), antimony trichloride (V), and lead dichloride (VII) via transmetalation steps.
ChemInform Abstract: Structural Characterization of the Pentamolybdate Anion, ((MoO4)2(Mo3O8(OMe)))3‐, and Isolation of the (Mo3O8(OMe))+ Trinuclear Core in the Squarate Complex ((Mo3O8(OMe))(C4O4)2)3‐.
Authors: CHEN Q. , MA L. , LIU S. , ZUBIETA J.
Published: May 2016

The reaction of the dimolybdate (I) with oxalic bis(cyclohexylidenehydrazide) followed by addition of MeOH/ether affords the title pentamolybdate (III) (space group Cc, Z=4).
ChemInform Abstract: Synthesis and Reactivity of a Phosphavinylidene Complex of Molybdenum.
Authors: ARIF A. M. , COWLEY A. H. , NUNN C. M. , QUASHIE S. , NORMAN N. C. , ORPEN A. G.
Published: May 2016

The phosphavinylidene complex (III) (space group P21/c, Z=4) is obtained according to the scheme.
ChemInform Abstract: Mono‐ and Bis(ethyne)nickel(0) Complexes.
Authors: POERSCHKE K.‐R. +
Published: May 2016

Several catalytic processes are known to involve nickel and ethyne.
ChemInform Abstract: Crystal, Molecular Structure, and Magnetic Properties of Bis(tetra‐n‐butylammonium)bis(4‐(dicyanomethylene)‐1,2‐dimercaptocyclopent‐1‐ene‐3,5‐dionato‐S,S′)cuprate(II), (n‐Bu4N)2(Cu(dcmdtcroc)2): A Dimer with Weak Ferromagnetic Coupling.
Authors: VENKATALAKSHMI N. , VARGHESE B. , LALITHA S. , WILLIAMS R. F. X. , MANOHARAN P. T.
Published: May 2016

The title complex (V) crystallizes in Pbca with Z = 8; the anion is nonplanar.
ChemInform Abstract: Incorporation of N‐O Bonds in Metallomacrocycles: Synthesis, X‐Ray Structure, and Electrochemistry of Hetero‐Dinuclear Complexes.
Authors: VAN VEGGEL F. C. J. M. , HARKEMA S. , BOS M. , VERBOOM W. , KLEIN WOOLTHUIS G. , REINHOUDT D. N.
Published: May 2016

Reaction of the dialdeyhde (I) with the hydroxylamine derivatives (II) and subsequent treatment with the barium salt (III) yields the barium complexes (IVa) and (IVb).
ChemInform Abstract: Pentaammineruthenium(II), Pentaammineosmium(II), and (N‐(Hydroxyethyl)ethylenediaminetriacetato)ruthenate(II) Complexes of Styrenes.
Authors: ELLIOTT M. G. , ZHANG S. , SHEPHERD R. E.
Published: May 2016

The (pentaammine)styrene complexes (I), related olefin complexes, and (N‐(hydroxyethyl)ethylenediaminetriacetato)ruthenate(II) complexes (II) are prepared and characterized by 1H and 13C NMR spectroscopy, cyclic voltammetry, and differential‐pulse polarography.
ChemInform Abstract: The Nature of the Redox Orbital in cis‐Ru(bpy)2(CN)2.
Authors: COOPER J. B. , WERTZ D. W.
Published: May 2016

The UV/VIS and RR spectra for the redox series (I) indicate that the redox orbital is bipyridine‐localized.
ChemInform Abstract: Transformation of Isogermacrone with Lead Tetraacetate. Formation of a New Cyclononane Skeleton.
Authors: ENEV V. , TSANKOVA E. , MIKHOVA B.
Published: May 2016

In order to obtain products with isovetivane skeleton, isogermacrone (I) is treated with Pb(O‐Ac)4 under different conditions (cf.
ChemInform Abstract: Photochemistry of Steroidal 6‐Ring Lactams. Part 2. Photoreorganization in 4‐Benzyl(allyl, methyl)‐4‐aza‐δ5‐3‐ketosteroids.
Authors: GANDHI R. P. , SINGH M. , SACHDEVA Y. P. , MUKHERJI S. M.
Published: May 2016

The irradiation of the steroids (I) and (III) depends on the character of the 4‐substituent giving the products (II) and (IV), respectively (yields given in mg).
ChemInform Abstract: Conjugate Addition of Grignard Reagents to Enones and Dienones.
Authors: MODI S. P. , GARDNER J. O. , MILOWSKY A. , WIERZBA M. , FORGIONE L. , MAZUR P. , SOLO A. J. , DUAX W. L. , GALDECKI Z. , GROCHULSKI P. , WAWRZAK Z.
Published: May 2016

Reaction of the Grignard reagents (II) with the 16‐dehydropregnenolone acetate (I) results in the formation of the 1,4‐addition product (III).
ChemInform Abstract: Dialdosides‐(1,5) of Glucose and Galactose: Synthesis, Reactivity, and Conformation.
Authors: SINGH S. , NAMBIAR S. , PORTER R. A. , SANDER T. L. , TAYLOR K. G. , DOYLE R. J.
Published: May 2016

Irradiation of the azides (I) results in the formation of the dialdoside hydrates (II).
ChemInform Abstract: DDQ Oxidations in the Indole Area. Synthesis of 4‐Alkoxy‐β‐carbolines Including the Natural Products Crenatine and 1‐Methoxycanthin‐6‐one.
Authors: HAGEN T. J. , NARAYANAN K. , NAMES J. , COOK J. M.
Published: May 2016

Pictet‐Spengler cyclocondensation of tryptamine hydrochloride (I) with dimethyl 2‐oxoglutarate (II) produces the lactam (III) which is converted into the 3‐acylindole derivative (IV) by treatment with DDQ.
ChemInform Abstract: 2′,3′‐Dideoxy‐3′‐fluorotubercidin and Related Dideoxyribonucleosides: Synthesis via a 2′‐Deoxy‐3′‐oxoribofuranoside Intermediate and Conformation Studies.
Authors: ROSEMEYER H. , SEELA F.
Published: May 2016

In view of their possible antiviral properties, particularly against HIV retroviruses, the new tubercidins (V) and (VII) as well as the known derivative (X) and some related compounds are prepared by the methodology outlined in the scheme.
ChemInform Abstract: General Method for the Preparation of N3‐ and O4‐Substituted Uridine Derivatives by Phase‐Transfer Reactions.
Authors: SEKINE M.
Published: May 2016

The uridine derivative (I) reacts with the acyl chlorides (II) under phase‐transfer catalytic conditions to give a mixture of the N‐acyl products (III) and the O‐acyl products (IV).
ChemInform Abstract: Oxidative Decarboxylation of Aleuritic Acid and Its Derivatives: Synthesis of Tumor Inhibitors, (Z)‐ and (E)‐1,8‐Pentadecadienes.
Authors: SUBRAMANIAN G. B. V. , SHARMA R.
Published: May 2016

erythro‐Aleuritic acid (I), threo‐aleuritic acid (VII) (readily obtained from shellac) and related derivatives are found to be useful starting materials for the preparation of synthons which may be elaborated to pheromones or macrocyclic perfume constituents.
ChemInform Abstract: Formal Total Synthesis of 1β‐Methylcarbapenem via a Novel Route to Deoxyamino Sugars.
Authors: UDODONG U. E. , FRASER‐REID B.
Published: May 2016

Starting with the pyranoside (I), the gluconolactone (VI) is synthesized via the key intermediates (II), (IV), and (V).
ChemInform Abstract: Sodium Diplatinum.
Authors: RANGE K.‐J. , RAU F. , KLEMENT U.
Published: May 2016

Single crystals of NaPt2 are synthesized from the elements in a modified Belt‐type high pressure apparatus (Na:Pt=4:1; 4.0 GPa; 1650 K, 30 min; 1050 K, 30 min).
ChemInform Abstract: Electronic Structure of a New Ternary Chalcogenide: NbNiTe5.
Authors: HALET J.‐F. , HOFFMANN R. , TREMEL W. , LIIMATTA E. W. , IBERS J. A.
Published: May 2016

The electronic structure and bonding in the recently characterized compound NbNiTe5 is studied by extended Hueckel tight‐binding calculations.
ChemInform Abstract: Chemielectron Spectroscopy: Study of the Ce + O2 Reaction.
Authors: COCKETT M. C. R. , DYKE J. M. , ELLIS A. M. , FEHER M. , MORRIS A.
Published: May 2016

The chemielectron spectrum from the Ce + O2 reaction is recorded and the cationic products are identified under the same experimental conditions using mass‐resolved ion spectra.
ChemInform Abstract: Laser‐Chemical Vapor Precipitation of Submicrometer Silicon and Silicon Nitride Powders from Chlorinated Silanes.
Authors: BAUER R. A. , SMULDERS R. , BECHT J. G. M. , VAN DER PUT P. J. , SCHOONMAN J.
Published: May 2016

It is shown that Si and Si3N4 powders can be made from SiH2Cl2 or SiH2Cl2 + NH3 and SiCl4 + NH3, resp., by using laser‐chemical vapor precipitation.
ChemInform Abstract: Synthesis of a New One‐Dimensional Sodium Molybdenum Phosphate Polymer: Structure of ((H3O)2NaMo6P4O24(OH)7)2‐.
Authors: HAUSHALTER R. C. , LAI F. W.
Published: May 2016

Large orange crystals of the polymeric sodium molybdenum phosphate (V) are synthesized for the first time according to the scheme.
ChemInform Abstract: Novel Cubane‐Type Molybdenum‐Tin Cluster Complexes ((H2O)9Mo3S4SnS4Mo3(H2O)9)8+ and Mo3SnS4(aq)6+
Authors: AKASHI H. , SHIBAHARA T.
Published: May 2016

are obtained in solution by reaction of (Mo3S4(H2O)9)4+ (I) with metallic tin or SnCl2, resp., and are characterized by cyclic voltammetry and UV spectra.
ChemInform Abstract: Synthesis, Structure, and Magnetic Properties of Alkali Metal Manganese Chalcogenides A6MnX4 with A: Na or K and X: S, Se, or Te.
Authors: BRONGER W. , BALK‐HARDTDEGEN H.
Published: May 2016

Structural investigations on single crystals show all six title compounds, prepared according to the scheme in a stream of H2 charged with the chalcogen (yields not given) to crystallize isotypic (Na6ZnO4 type, P63mc, Z=2).
ChemInform Abstract: Oxocuprates(I) with CO2‐Analogous Anions: Rb3(CuO2). Part 3.
Authors: CARL W. , HOPPE R.
Published: May 2016

The title oxocuprate, prepared for the first time by annealing mixtures of RbO0.63 and Cu2O (Pb:Cu = 3.1:1 (powder) or 4.2:1 (single crystals); 600 °C/10 d or 560 °C/14 d), crystallizes in the monoclinic system ( P21/n, Z=4).
ChemInform Abstract: One‐Dimensional Magnetism of a Linear Chain Compound Containing Yttrium(III) and a Nitronyl Nitroxide Radical.
Authors: BENELLI C. , CANESCHI A. , GATTESCHI D. , PARDI L. , REY P.
Published: May 2016

The complex (I), which behaves as a one‐dimensional antiferromagnet, crystallizes in the space group P21/n with Z=4.
ChemInform Abstract: Maximizing Ligand Intermeshing in Phosphine Complexes: Synthesis and Structural Characterization of cis‐Cl2Pt(PCy3)2.
Authors: CAMERON T. S. , CLARK H. C. , LINDEN A. , NICHOLAS A. M. , HAMPDEN‐SMITH M. J.
Published: May 2016

The title complex (III), crystallizing in P21/n with Z=4, is the first example of the exclusive formation of the cis isomer of such a simple Pt(II) complex containing bulky phosphine ligands.
ChemInform Abstract: Effect of Cation on the Structures, Magnetic Properties and Specific Heats of Salts of Bis(5,6‐dihydro‐1,4‐dithiin‐2,3‐dithiolato)nickelate(III): The Crystal Structure of ((CH3)4N) (Ni(DDDT)2).
Authors: WELCH J. H. , BEREMAN R. D. , SINGH P. , HAASE D. , HATFIELD W. E. , KIRK M. L.
Published: May 2016

The title complex (I) crystallizes in Pbca with Z = 8. The X‐ray powder diffraction spectrum of this salt shows the presence of only one crystallographic species, while that of the tetrabutylammonium salt indicates the possibility of a third polymorph.
ChemInform Abstract: Oxovanadium(V)‐Induced Ring‐Opening Oxygenation of Cyclic Ketones in Alcohol.
Authors: HIRAO T. , MORI M. , OHSHIRO Y.
Published: May 2016

While previous applications of oxovanadium compounds were usually limited to solutions in aqueous acid, the title reaction leading to (III) and (V) uses equimolar or catalytic amounts of oxovanadium ethoxides and alcohol as the solvent.
ChemInform Abstract: Efficient Charge‐Transfer Photochemistry via Fragmentable Cation Radicals with Variable Lifetimes. Direct Comparison with Chloranil Sensitization.
Authors: SANKARARAMAN S. , PERRIER S. , KOCHI J. K.
Published: May 2016

The photochemistry of 1:1 electron‐donor‐acceptor (EDA) complexes of chloranil (II) and the p‐methoxytoluene donors (I) and (V) is reported.
ChemInform Abstract: Intramolecular Photochemical Addition Reactions of ω‐Styrylaminoalkanes.
Authors: LEWIS F. D. , REDDY G. D. , SCHNEIDER S. , GAHR M.
Published: May 2016

The fluorescent singlet state of phenylpropene (I) is quenched by diethylamine (II) with a rate constant of 1.2 · 1010 M‐1 s‐1 near the rate of diffusion in cyclohexane solution.
ChemInform Abstract: Polyfluorinated Aryl Azides as Photoaffinity‐Labelling Reagents. The Room Temperature CH Insertion Reactions of Singlet Pentafluorophenylnitrene with Alkanes.
Authors: YOUNG M. J. T. , PLATZ M. S.
Published: May 2016

The nitrene, photochemically‐generated from pentafluorophenyl azide (I), reacts with cyclopentane (II) to yield the cyclopentylaniline (III).
ChemInform Abstract: Hydrogen‐Abstraction Reactivity of Excited‐State Para‐Substituted Benzyl Radicals in Solution at Room Temperature.
Authors: TOKUMURA K. , OZAKI T. , ITOH M.
Published: May 2016

In contrast to almost no H‐abstraction reactivtiy of the ground‐state p‐X‐benzyl radicals (X: ‐CN, ‐Cl, ‐F, ‐O‐Me) toward 1,4‐cyclohexadiene (CHD), a significant fluorescence quenching by CHD in hexane at room temp. is confirmed for their fluorescent excited states, which may be assigned to 2B2 for p‐cyanobenzyl and 1A2 for the other three p‐X‐benzyls.
ChemInform Abstract: Free Radical Chlorination of Methyl Derivatives of Pyridine, Pyrazine, and Thiazole with N‐Chlorosuccinimide.
Authors: RUBINA K. I. , IOVEL' I. G. , GOL'DBERG YU. SH. , SHIMANSKAYA M. V.
Published: May 2016

Chlorination of α‐picoline (I) with NCS in the presence of dibenzoyl peroxide gives the chloromethyl (II) or the dichloromethyl derivatives (III) depending on the molar ratio.
ChemInform Abstract: Asymmetric Dihydroxylation of Alkenes with Osmium Tetroxide: Chiral N,N′‐Dialkyl‐2,2′‐bipyrrolidine Complex.
Authors: HIRAMA M. , OISHI T. , ITO S.
Published: May 2016

The bipyrrolidines (I) are used as chiral catalysts for the enantioselective osmylation of alkenes such as (II) or (IV).
ChemInform Abstract: Carboxylic Acid Participation in Amide Hydrolysis. Competition Between Acid‐Catalyzed Dehydration and Anhydride Formation.
Authors: KLUGER R. , HUNT J. C.
Published: May 2016

In 1 M HCl solution the kinetics of the hydrolysis of (II) become biphasic, indicating the acid‐catalyzed equilibration of (II) with the imide (I).
ChemInform Abstract: Organomanganese(II) Reagents. Part 15. Conjugate Addition of Organomanganese Reagents to Alkylidenemalonic Esters and Related Compounds.
Authors: CAHIEZ G. , ALAMI M.
Published: May 2016

In contrast to conjugated enones (as reported previously), alkylidenemalonic ester derivatives (III), (VII), (IX) and (XIII) generally give high yields of conjugate addition products on treatment with organomanganese compounds generated from MnCl2 and Grignard or organolithium reagents (detailed study of reaction conditions in various transformations of (III) and (IX)).
ChemInform Abstract: Nucleophilic Displacement of Bis(perfluoroalkanoyl) Peroxides with Perfluoroalkanoate.
Authors: YOSHIDA M. , SASAGE S. , KAMIGATA N. , SAWADA H. , NAKAYAMA M.
Published: May 2016

The product mixture obtained on warming a solution of (I) and (II) contains perfluoropropylpyridines and C10F22, indicating the initial formation of the mixed peroxide (III) ‐ this would represent the first example of the title reaction reported so far.
ChemInform Abstract: Reaction of N‐Acetyl‐2‐allyloxy‐ and ‐2‐methallyloxyanilines with Sulfenyl Chlorides.
Authors: MEINHOLD H. , MUSLIH R. M. , MUEHLSTAEDT M. +
Published: May 2016

Addition of the sulfenyl chlorides (II) to the allyl ethers (I) at low temp. leads preferentially to the anti‐Markovnikov adducts (III) (for R: ‐Me; X: ‐Br at ‐60 °C is (III)/(IV) = 86:14, according to 1H NMR).
ChemInform Abstract: Organic Photochemistry. Part 77. Photochemistry of Alkylindenes in the Gas Phase.
Authors: SUAREZ M. L. , DUGUID R. J. , MORRISON H.
Published: May 2016

Reported are a) the qualitative and quantitative results of the gas phase photolyses at ca. 1 torr of the methylindenes (I)‐(III) (in each case the two remaining isomers are formed) as well as of dimethylindene (IV); b) studies with 5 deuterated analogs (extensive scrambling is observed); c) effects of added butane (quenching by collisional deactivation occurs), and d) effects of excitation wavelength and substrate temp. on the photolyses.
ChemInform Abstract: Benzopyrylium Salts. Part 34. Reactions of 3‐Carboxy‐2‐benzopyrylium Salts with Amines. Synthesis of Cyclic Ketoles.
Authors: ZHDANOV YU. A. , BROVCHENKO N. A. , KLYUEV N. A. , KUZNETSOV E. V.
Published: May 2016

Reaction of the benzopyrylium salts (I) with morpholine (II) gives the morpholinoindenes (III).
ChemInform Abstract: Diastereoselectivity in Intramolecular Diels‐Alder Reactions Starting from Dienols: Short Synthesis of Polyfunctional Lactones.
Authors: MARTELLI J. , GREE D. , KESSABI J. , GREE R. , TOUPET L.
Published: May 2016

The structure of the Diels‐Alder adducts (IV) and (V) is confirmed by NMR spectroscopy and by X‐ray analysis of (IVa) (space group P212121 with Z=4).
ChemInform Abstract: Reaction of Chlorosulfonylthiolene and ‐thiolane 1,1‐Dioxide with Amines and Hydroxy Compounds.
Authors: TUKHAR' A. A. , BEZUGLYI YU. V. , FOREMNAYA V. P. , BRATUNETS A. G. , SHAKHVOROST A. M.
Published: May 2016

The sulfolenesulfonic chlorides (I) and (VII) are coupled with the amines (II) to give the sulfonamides (III) and (VIII).
ChemInform Abstract: Reductones of Maleinimides.
Authors: POSCHENRIEDER H. , STACHEL H.‐D.
Published: May 2016

5‐Benzylidene‐2,4‐pyrrolidinedione (I) is converted into the diazodione (IIIa) by treatment with tosyl azide (II).
ChemInform Abstract: Synthesis and Water Elimination of 2‐(α‐Alkyl)‐ or (α‐Aryl)‐Substituted Hydroxymethyl‐5‐methoxy‐1,3‐benzoxathiole 3,3‐Dioxides.
Authors: MEICHLE W. , OTTO H.‐H.
Published: May 2016

Reaction of the bis(silyl)benzoxathiole dioxides (I) with acetaldehyde (II) in the presence of tetrabutylammonium fluoride gives a mixture of the diastereomeric aldols (III) and (IV) which are separated by crystallization and chromatography.
ChemInform Abstract: Camphorylsulfonylimine Dianion in the Synthesis of New Optically Pure Camphorylsulfonyloxaziridine Derivatives.
Authors: DAVIS F. A. , WEISMILLER M. C. , LAL G. S. , CHEN B. C. , PRZESLAWSKI R. M.
Published: May 2016

Starting with the camphorylsulfonylimine (‐)‐(II), the synthesis of (+)‐(Ib) is performed as outlined in the reaction scheme.
ChemInform Abstract: Preparation and Pharmacological Activity of N‐Oxides of 4′‐(Benzotriazol‐2‐yl)phenylalkanoic and ‐phenoxyalkanoic Acids.
Authors: BOIDO A. , VAZZANA I. , SPARATORE F. , CAPELLO B. , DIURNO V. , MATERA C. , MARRAZZO R. , RUSSO S. , CENICOLA M. L. , MARMO E.
Published: May 2016

The title compounds (VII) and (XIII) are synthesized from 4‐aminophenylacetonitrile (I) or the 2‐nitroanilines (VIII) as outlined in the reaction scheme.
ChemInform Abstract: Efficient Chiral Synthesis of Melillo′s Lactone, a Key Intermediate for the Synthesis of Thienamycin.
Authors: KAMETANI T. , HONDA T. , ISHIZONE H. , KANADA K. , NAITO K. , SUZUKI Y.
Published: May 2016

(‐)‐Carvone (I) is converted into Melillo's lactone (VI) as outlined in the reaction scheme.
ChemInform Abstract: Design and Synthesis of a Series of Facially‐Coordinating Tridentate Ligands Containing an N2O Donor Atom Set.
Authors: JAMESON D. L. , HILGEN S. E. , HUMMEL C. E. , PICHLA S. L.
Published: May 2016

Preparation of the tridentate ligand compounds (Va), (Vb), and (X) is described.
ChemInform Abstract: New Methodology for the Preparation of Quinazoline Derivatives via Tandem Aza‐Wittig/Heterocumulene‐Mediated Annulation. Synthesis of 4(3H)‐Quinazolinones, Benzimidazo(1,2‐c)quinazolines, Quinazolino(3,2‐a)quinazolines and Benzothiazolo(3,2‐c)quinazolines.
Authors: MOLINA P. , ALAJARIN M. , VIDAL A. , FOCES‐FOCES M. C. , HERNANDEZ CANO F.
Published: May 2016

The title reaction of iminophosphoranes, e.g. (III), (X), (XIV) and (XVII), yields the title quinazoline derivatives (V), (VIII), (XI), (XIII), (XVIa) (space group P21/c with Z=4), (XVIb) and (XVIII).
ChemInform Abstract: Condensed Thienopyrimidines. Part 3. Synthesis of Angular‐Anellated Oxazolo(2,3‐b)thienopyrimidin‐5‐one Derivatives.
Authors: SUGIYAMA M. , SAKAMOTO T. , FUKUMI H.
Published: May 2016

The N‐(hydroxyethyl)thienopyrimidinediones (I), prepared from aminothiophenes, are converted into the mesylates (III) which undergo cyclization to form the fused oxazolines (IV).
ChemInform Abstract: Alkylation and Arylation of Pyrazines by Organoboron Compounds.
Authors: OHTA A. , ITOH R. , KANEKO Y. , KOIKE H. , YUASA K.
Published: May 2016

Organoborons, generated from bromobenzene (II) or the alkyl bromides (IV), undergo Pd(0)‐catalyzed coupling with the 2‐chloropyrazines (I) to give the 2‐substituted pyrazines (III) or (V).
ChemInform Abstract: Some Reactions of Sultones.
Authors: YASSIN S. , ISMAIL I. I. , ABD EL‐ALEEM A. H. , ATTIA A.
Published: May 2016

The sultone (I) reacts with p‐phenylenediamine (II) to form the sultam (III) which is derivatized, yielding the phenylureas (V), the Schiff bases (VII), and the amides (IX).
ChemInform Abstract: Potential Antidepressants: 6‐(Aminoalkoxy)dibenzo(b,f)thiepin‐10(11H)‐ones and 6‐(Aminoalkoxy)‐10,11‐dihydrodibenzo(b,f)thiepin‐10‐ols.
Authors: CERVENA I. , HOLUBEK J. , SVATEK E. , RYSKA M. , PROTIVA M.
Published: May 2016

The ketones (III) and (VIIa) are partially demethylated to secondary amines (cf.
ChemInform Abstract: Preparation of Chloromethylated Dibenzo‐18‐crown‐6 Derivatives and Syntheses on Their Basis.
Authors: TASHMUKHAMEDOVA A. K. , STEMPNEVSKAYA I. A. , MOROZOVA I. YU. , SIROTENKO E. G.
Published: May 2016

Chloromethylation of the dibenzo‐18‐crowns‐6 (I) yields the chloromethyl crowns (III) and (IV).
ChemInform Abstract: Supramolecular Catalysis: Polyammonium Macrocycles as Enzyme Mimics for Phosphoryl Transfer in ATP Hydrolysis.
Authors: HOSSEINI M. W. , LEHN J.‐M. , JONES K. C. , PLUTE K. E. , MERTES K. B. , MERTES M. P.
Published: May 2016

Substituted compounds (Ib)‐(Id) show decreased reaction rates with respect to (Ia).
ChemInform Abstract: 11‐Substituted Polyfluorodibenzo(b,f)(1,4)oxazepines.
Authors: KONSTANTINOVA A. V. , GERASIMOVA T. N. , KOZLOVA M. M. , PETRENKO N. I.
Published: May 2016

Oxidation of the isomeric tetrafluorodibenzoxazepines (I) gives the dibenzoxazepin‐11‐ones (II) which are transformed into the 11‐chloro derivatives (III).
ChemInform Abstract: Synthesis of Some Heterocycles of Pharmaceutical Interest.
Authors: METWALLY M. A. , EL‐HOSSINY M. S. , EL‐ABLAC F. Z. , KHALIL A. M.
Published: May 2016

The β‐keto acids (I) undergo cyclocondensation with the aminoazoles (II) or (IV), yielding the linear polyheterocycles (III) and (V).
ChemInform Abstract: 2,4,6,8,9,10‐Hexachloro‐2,4,6,8,9,10‐hexaboraadamantane.
Authors: HAUBOLD W. , KELLER W. , SAWITZKI G.
Published: May 2016

Thermolysis of the alkyldichloroboranes (I) leads to the formation of the hexachlorohexaboraadamantane (II) which is treated with dimethylamine (III), yielding the hexakisamino derivative (IV).
ChemInform Abstract: A New and Easy Synthesis of (S)‐5‐Formyl‐5‐trimethylsilyloxymethylpentanoate, a C6 Synthon for LTB4 from (S)‐(+)‐Glutamic Acid.
Authors: LEGGERI P. , AZZOLINA O. , PIRILLO D. , TRAVERSO G.
Published: May 2016

The C6 synthon (X) for the production of leukotriene B4 (XI) is prepared according to the reaction scheme, starting with the chiral lactone (I).
ChemInform Abstract: Stoichiometric and Catalytic Ring Opening of Hexaalkylcyclodisilazanes by Organoalkali Reagents.
Authors: SEYFERTH D. , SCHWARK J. M. , STEWART R. M.
Published: May 2016

The action of organoalkali reagents R1Li (II), (II)/NaOtBu, or (II)/KOtBu on the cyclodisilazanes (I) and (V) results in ring opening to give alkali‐metal amides which react with the chlorosilanes (III) to give the expected linear trisilazanes such as (IV) and (VI).
ChemInform Abstract: Peterson Olefination Reactions of C‐Silylated Phosphoranimines: Synthesis of P‐Vinyl‐Substituted Phosphazene Precursors.
Authors: SCHEIDE G. M. , NEILSON R. H.
Published: May 2016

A series of P‐vinyl‐substituted phosphazene compounds such as (III) and (IV) (yield 72%) are prepared by the application of the Peterson olefination reaction to C‐silylated phosphoranimines (I) and its phenoxy analogue.
ChemInform Abstract: Addition of 2‐Bromo‐1,3,2‐dioxaphospholanes to Ynol Ethers.
Authors: KARLSTEDT N. B. , BOGANOVA N. V. , KAZANKOVA M. A.
Published: May 2016

The bromodioxaphospholane (I) reacts with the ynol ethers (II) to produce stereoselectively the phospholanes (III) as a new type of α,β‐unsaturated derivatives of three‐coordinated phosphorus.
ChemInform Abstract: Synthesis and Structure of Ti(OAr‐2,6‐iPr2)2(py‐4‐Ph)3 (OAr‐2,6‐iPr2 : 2,6‐Diisopropylphenoxide; py‐4‐Ph: 4‐Phenylpyridine): A Compound Containing Both Reduced and Nonreduced 4‐Phenylpyridine Ligands Bound to Titanium.
Authors: DURFEE L. D. , HILL J. E. , KERSCHNER J. L. , FANWICK P. E. , ROTHWELL I. P.
Published: May 2016

The trigonal bipyramidal title complex (IV) is obtained according to the scheme.
ChemInform Abstract: Synthesis of Tetrakis(2,6‐diisopropylphenyl)digermene and Its Reductive Cleavage to the Corresponding Digermyllithium Complex.
Authors: PARK J. , BATCHELLER S. A. , MASAMUNE S.
Published: May 2016

The dichlorodiarylgermane (II) is synthesized by chlorination of the diarylgermane (I) with CCl4 or by coupling of GeCl4 (IV) with the Grignard compound (III).
ChemInform Abstract: Structural, IR and Moessbauer Studies of Octahedral cis‐Dichlorobis(diketonate)tin(IV) Complexes Having Antitumor Activity.
Authors: SEARLE D. , SMITH P. J. , BELL N. A. , MARCH L. A. , NOWELL I. W. , DONALDSON J. D.
Published: May 2016

The complex (I), prepared from SnCl4 and dibenzoylmethane, crystallizes in Pbca with Z = 8. An analogous complex containing benzoylacetonato ligands is prepared similarly.
ChemInform Abstract: Preparation and Structure of tert‐Butyl‐Substituted Tin‐Phosphorus Compounds.
Authors: HAENSSGEN D. + , ALDENHOVEN H. , NIEGER M.
Published: May 2016

Reaction of tri(tert‐butyl)chlorostannane (I) with the alkali phosphides (II) gives the stannylphosphines (III).
ChemInform Abstract: Chromium(V) Complexes can Generate Hydroxyl Radicals.
Authors: O'BRIEN P. , WANG G.
Published: May 2016

EPR investigations demonstrate that chromium(V), especially (NMe4) (CrOCl4), can generate hydroxyl radicals.