bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Pyrazolo(1′,5′:1,6)pyrimido(4,5‐d)pyridazin‐7(8H)‐one: A New Heterocyclic Ring System from Isoxazolopyridazinones.
Authors: PIAZ V. D. , CICIANI G. , CHIMICHI S.
Published: May 2016

Reaction of the isoxazolopyridazinones (I) with hydrazine hydrate produces the pyrazoles (II) which cyclize on treatment with acetic anhydride.
ChemInform Abstract: Synthesis of Perhalogenated 1,3,5‐Trithiane 1,1,3,3,5,5‐Hexaoxides and Their Reaction with Bases.
Authors: ARENS G. , SUNDERMEYER W. , PRITZKOW H.
Published: May 2016

The title compounds (III) rearrange to afford the dithiole tetraoxides (IV).
ChemInform Abstract: Hofmann Degradation of 2,3‐Dihydro‐9‐phenyl‐1H,9H‐pyrazolo(1,2‐a)indazole Derivatives.
Authors: FUJIMURA Y. , HAMANA M.
Published: May 2016

The dihydropyrazoloindazolium bromides (I) are reduced to give the pyrazoloindazoles (II) which react with alkyl iodides, forming a mixture of the salts (III) and (IV).
ChemInform Abstract: Chemistry of Boron. Part 181. Methyleneboranes as Intermediate of an Olefin Synthesis.
Authors: GLASER B. , NOETH H. +
Published: May 2016

The gas phase pyrolysis of the boranes (I) gives, after trapping at 77 K, condensates in which, besides (III), only compounds (II) could be detected (no yields given).
ChemInform Abstract: Chemistry of Boron. Part 180. Syntheses of ((Trimethylsilyl)amino)borinium Cations.
Authors: KOELLE P. + , NOETH H. +
Published: May 2016

Fluoro((trimethylsilyl)amino)boranes (I) react with an excess of BBr3 to give the title cations as tetrabromoborates (II).
ChemInform Abstract: Diethyl 1‐Magnesium Chloride Methanephosphonate, a Novel Grignard Reagent and Its Use in Organic Synthesis.
Authors: COUTROT P. , YOUSSEFI‐TABRIZI M. , GRISON C.
Published: May 2016

The magnesium chloride methanephosphonate (III), derived from diethyl iodomethanephosphonate (I), reacts with electrophiles such as (IV) and (VI) to produce the substituted methanephosphonates such as (V) and (VII).
ChemInform Abstract: Reaction of Thiolo and Selenolo Esters of Phosphorus Acids with Halogens. Part 1. Stereochemical and 31P‐NMR Studies of Reaction of S‐Methyl tert‐Butylphenylphosphinothiolate with Elemental Chlorine and Sulfuryl Chloride.
Authors: KRAWIECKA B. , MICHALSKI J. , WOJNA‐TADEUSIAK E.
Published: May 2016

The chlorination of the thiolo ester (I) to give (II) proceeds with retention of the configuration.
ChemInform Abstract: Conformationally Restricted Analogs of Platelet‐Activating Factor (PAF).
Authors: HADVARY P. , WELLER T.
Published: May 2016

The synthesis of the five‐membered cyclic phosphorodiamidic‐acid derivatives (IIIb) and (IVb) as well as the preparation of the six‐membered cyclic phosphates (VIIIb), (IXb), (Xa), (Xc), (XIa), (XIc), and phosphoramidates (Xb), (Xd) are described in the scheme.
ChemInform Abstract: Synthesis of Fluoro‐λ5‐monophosphazenes and Fluoro‐1,3‐diaza‐2λ5,4λ5‐diphosphetidines by Means of the Staudinger Reaction.
Authors: RIESEL L. , STURM D. , NAGEL A. , TAUDIEN S. , BEUSTER A. , KARWATZKI A.
Published: May 2016

The Staudinger reaction between the tervalent phosphorus fluorides of type (I) and (V) and the phenylazides (II) leads to diazadiphosphetidines of type (III) and (VII) or to the monophosphazenes (IV) and (VI), respectively, depending on the substituents.
ChemInform Abstract: Preparation of 2,6‐Dialkoxy‐3,5‐dialkyl‐1,4‐oxaselenane 4,4‐Dichlorides and Structure Determination of 2,6‐Dimethoxy‐3,5‐dimethyl‐1,4‐oxaselenane.
Authors: BERGMAN J. , LAITALAINEN T. , KALTIA S. , KLINGA M. , KIVEKAES R. +
Published: May 2016

As shown for (IIa), the oxaselenane dichlorides (II) are prepared from the corresponding aldehydes by reaction with SeO2 in alcoholic solutions.
ChemInform Abstract: New Organyltellurium Ligands. 1,2‐Bis(p‐ethoxyphenyltelluromethyl)benzene and Tetrakis(p‐ethoxyphenyltelluromethyl)methane.
Authors: PATHIRANA H. M. K. K. , MCWHINNIE W. R. , BERRY F. J.
Published: May 2016

The ditelluride (I) reacts with sodium borohydride to give the intermediate sodium telluride which is transformed into compounds (III) and (V) respectively.
ChemInform Abstract: The Synthesis of Four‐Membered Spiro Compounds of Silicon and Germanium: 2,2,6,6‐Tetramethyl‐4‐metallaspiro(3.3)heptanes.
Authors: VAN DE HEISTEEG B. J. J. , TINGA M. A. G. M. , VAN DEN WINKEL Y. , AKKERMAN O. S. , BICKELHAUPT F.
Published: May 2016

The reaction of the Grignard reagent (I) with SiCl4 (IIa) or GeCl4 (IIb) yields the title compounds (III).
ChemInform Abstract: Multiple Bonds Between Main Group Elements and Transition Metals. Part 27. Redox Reactions of Chromium‐Selenium Triple Bonds.
Authors: ROHRMANN J. , HERRMANN W. A. , HERDTWECK E. , RIEDE J. , ZIEGLER M. , SERGESON G.
Published: May 2016

The binuclear μ‐selenido Cr complex (I) reacts with reducing agents such as cobaltocene and KO2 to yield the novel multi‐ or mononuclear ionic complexes (II) and (V), respectively.
ChemInform Abstract: Hexahydrido(pentamethylcyclopentadienyl)rhenium, ((C5Me5)ReH6).
Authors: HERRMANN W. A. , OKUDA J.
Published: May 2016

The title polyhydride (II), formally a Re(VII) derivative, is surprisingly formed on reaction of the Re(V) complex (I) with LiAlH4 followed by careful methanolysis.
ChemInform Abstract: Reactions of 3,3‐Dicyan‐2‐ferrocenylallyl(cyclopentadienyl)dicarbonyliron with Electrophilic and Nucleophilic Reagents.
Authors: LEONT'EVA L. I. , VON BEK VON BEK , KRAVTSOV D. N. , PEREVALOVA E. G.
Published: May 2016

The σ‐allyl iron complex (I), which is stable towards hydrogen chloride, mercury chloride, or tetracyanoethylene, reacts with iodine to give mixtures of the iron complexes (II) ‐ (IV), depending on the molar ratio.
ChemInform Abstract: How a Bifunctional Complex Drives Reactivity of CO2‐like Molecules: Sodium (N,N′‐Ethylenebis(salicylaldiminato))cobaltate(I) Promotion of the Reductive Coupling of Molecules Resembling CO2.
Authors: ARENA F. , FLORIANI C. , CHIESI‐VILLA A. , GUASTINI C.
Published: May 2016

The "bifunctional" title complex (I) exemplifies the two main characteristics to be considered in studying the interaction of CO2 with transition‐metal complexes, the presence of acidic‐basic sites in the structure and the possibility for the metal to transfer either one or two electrons.
ChemInform Abstract: Coordination‐Polymeric Paracyclophane Complexes of Copper and Silver.
Authors: SCHMIDBAUR H. , BUBLAK W. , HUBER B. , REBER G. , MUELLER G. +
Published: May 2016

The title compounds are obtained by reaction of M(GaX4) (prepared from GaCl3 or GaBr3 and CuCl, AgCl, or AgBr in C6H6 on refluxing for 10 h) with the cyclophane in toluene at 20 °C quantitatively.
ChemInform Abstract: Cluster Expansion with CpRh and CpIr Building Blocks.
Authors: MANI D. , VAHRENKAMP H.
Published: May 2016

Cluster expansion reactions which have been applied successfully with Co containing reagents cannot be used with the corresponding reagents of Rh and Ir.
ChemInform Abstract: Improved Preparation of (3β,5α,14α)‐3‐Hydroxy‐14‐methylcholest‐7‐en‐15‐ one. Synthesis of Ergostenone and 20α‐(Hydroxymethyl)pregnenone Analogues.
Authors: DOLLE R. E. , KRUSE L. I.
Published: May 2016

Starting with the steroid alcohols (Ia) ‐ (Ic), the 3‐hydroxy‐14‐methylcholest‐7‐en‐15‐one (VIa) and the corresponding ergostenone derivatives (VIb) and (VIc) are synthesized using the reaction sequence outlined in the reaction scheme.
ChemInform Abstract: An Efficient, Fully Stereocontrolled Total Synthesis of N‐Benzoyl‐L‐ daunosamine.
Authors: IIDA H. , YAMAZAKI N. , KIBAYASHI C.
Published: May 2016

Grignard reaction of the L‐threose derivative (I) with (II) produces the xylo‐hexose (III) stereoselectively.
ChemInform Abstract: Intramolecular Carbenoid Reactions of Pyrrole Derivatives. A Total Synthesis of (.+‐.)‐Ipalbidine.
Authors: JEFFORD C. W. , KUBOTA T. , ZASLONA A.
Published: May 2016

Rhodium(II)‐acetate‐catalyzed decomposition of the diazocompounds (III) yields mixtures of the products (IV) and (V) from which (IVa)‐(IVc) can be isolated.
ChemInform Abstract: Carbocyclic Puromycin: Synthesis and Inhibition of Protein Biosynthesis.
Authors: VINCE R. , DALUGE S. , BROWNELL J.
Published: May 2016

The diastereomeric carbocyclic puromycin analogues (I) and (II) are prepared.
ChemInform Abstract: Isodidymic Acid, a New Dibenzofuran from the Lichen Cladonia didyma.
Authors: CHESTER D. O. , ELIX J. A. , KENNEDY J. M.
Published: May 2016

Three dibenzofurans, subdidymic acid, condidymic acid and a novel compound, are present in the title lichen.
ChemInform Abstract: Synthesis of Damascones and Related Flavoring Compound: β‐Damascone.
Authors: LEE W. Y. , PARK J. M. , NAM K. H. , JANG S. Y. , PARK O. S.
Published: May 2016

The title compound (VI), a constituent of tobacco, tea and rose oil, is synthesized starting from the ketone (I).
ChemInform Abstract: Membrane Structure of Substance P. Part 1. Prediction of Preferred Conformation, Orientation, and Accumulation of Substance P on Lipid Membranes.
Authors: SCHWYZER R. , ERNE D. , ROLKA K.
Published: May 2016

Preferred conformation, orientation, and accumulation of substance P (I) on a neutral hydrophilic‐hydrophobic interface is estimated and extrapolated to interactions with neutral and anionic lipid bilayer membranes.
ChemInform Abstract: Membrane Structure of Substance P. Part 2. Secondary Structure of Substance P, (9‐Leucine)substance P, and Shorter Segments in 2,2,2‐Trifluoroethanol, Methanol, and on Liposomes Studied by Circular Dichroism.
Authors: ROLKA K. , ERNE D. , SCHWYZER R.
Published: May 2016

Comparative CD studies with substance P (Ia), (Leu9)substance P (Ib), their shorter peptide segments (II)‐(V) and poly(amino acids) and peptides as for instance (VI)‐(VIII) support the membrane structure predicted for (Ia) and (Ib).
ChemInform Abstract: Preparation of Cerium‐Activated Silica Glasses: Phosphorus and Aluminum Codoping Effects on Absorption and Fluorescence Properties.
Authors: ISHII Y. , ARAI K. , NAMIKAWA H. , TANAKA M. , NEGISHI A. , HANDA T.
Published: May 2016

Ce‐doped SiO2 glasses have been prepared by plasma torch chemical vapor deposition and their optical properties are compared to those of Ce‐P‐ and Ce‐Al‐codoped silica glasses (codoping by plasma torch soot remelting).
ChemInform Abstract: Synthesis and Thermal Stability of Aluminum Titanate Solid Solutions.
Authors: ISHITSUKA M. , SATO T. , ENDO T. , SHIMADA M.
Published: May 2016

Solid solutions of Al2TiO5 have been synthesized as single‐phase compounds by substitution of Mg, Zr, and Si for Al or Ti and their thermal stability and solubility limit are determined.
ChemInform Abstract: Luminescence of Transition‐Group Ions in Fluoride Glasses and Their Laser Applications
Authors: JOERGENSEN C. K.
Published: May 2016

Review: (43 refs.
ChemInform Abstract: The Excess Properties of Nitric Oxide Mixtures.
Authors: KOHLER F. , BOHN M. , FISCHER J. , ZIMMERMANN R.
Published: May 2016

The excess properties of the three mixtures of NO with CH4, Kr, and N2 have been calculated considering that NO is strongly dimerized in the liquid state and, therefore, a pseudoternary system is present.
ChemInform Abstract: A Thermodynamic Evaluation of the Ag‐Al System
Authors: SPENCER P. J. , KUBASCHEWSKI O.
Published: May 2016

has been carried out using published experimental data on the phase diagram and thermodynamic properties of Ag‐Al alloys.
ChemInform Abstract: Electrochemical Properties and Corrosion Behavior of Ruthenium‐Titanium Oxide Anodes.
Authors: LOSEV V. V.
Published: May 2016

The kinetics of the O2 evolution and ruthenium dissolution reactions at RuO2‐based dimensionstable anodes (DSA) has been investigated under the conditions of chlorine‐alkali metal electrolysis.
ChemInform Abstract: Characterization and Catalytic Activity of Unsupported Nickel‐Rhenium Catalysts Modified by Calcium Oxide.
Authors: ENGELS S. , EICK J. , MOERKE W. + , MAIER U. , BOESZOERMENYI I. + , MATUSEK K. , SCHAY Z. , GUCZI L.
Published: May 2016

The results of XPS, XRD, BET measurements, CO chemisorption, and ferromagnetic resonance indicate that the addition of CaO to Ni‐Rh bimetallic catalysts enhances the surface area, promotes alloy formation, and retards sintering.
ChemInform Abstract: Site Energy Distribution and Catalytic Properties of Microporous Crystalline AlPO4‐5.
Authors: CHOUDHARY V. R. , AKOLEKAR D. B.
Published: May 2016

The site energy distribution on crystalline molecular sieve AlPO4‐5, as investigated by TPD of pyridine, is found to be very broad.
ChemInform Abstract: Synthesis of the Mixed Silicon Chalcogenide SiSSe.
Authors: SHEVTSOVA N. N. , TEMNITSKII I. N. , LAZORYAK B. I.
Published: May 2016

The title compound is prepared from a stoichiometric mixture of the elements by shock wave compression.
ChemInform Abstract: A First Experimental Glance on the Ce‐O‐N Systems.
Authors: GAUDE J.
Published: May 2016

Diverse Ce‐O‐N combinations have been studied.
ChemInform Abstract: Mass Spectrometry of Complexes with Metal‐Carbon σ Bonds. Part 1. The Electron Impact Behavior of Some Allyl Complexes and Their Cycloaddition Products. Part 2. Mass Spectrometric Synthesis: the Gas Phase, Ion‐Molecule Reaction of Tetracyanoethylene with η1‐Allyl Complexes.
Authors: BERTANI R. , MACCIONI A. M. , TRALDI P. , CARTURAN G.
Published: May 2016

The electron impact mass spectrometry of the title complexes (I)‐(III) and their cycloaddition products (IV) is discussed in detail.
ChemInform Abstract: Crystal Structures of HM(SiPh3)(CO)3(PPh3) (M: Fe, Ru) Formed from Photolysis of M(CO)4PPh3 in the Presence of HSiPh3.
Authors: BRINKLEY C. G. , DEWAN J. C. , WRIGHTON M. S.
Published: May 2016

Several isomers of the title complexes are possible.
ChemInform Abstract: Organometallic Nitrosyl Chemistry. Part 29. Proton NMR Spectroscopic Criteria for Elucidating the Structures of Bimetallic Organotungsten Hydrides in Solutions. Crystal and Molecular Structures of (CpW(NO)H)2(μ‐H)2.
Authors: LEGZDINS P. , MARTIN J. T. , EINSTEIN F. W. B. , WILLIS A. C.
Published: May 2016

The title complex (Cp: η5‐C5H5) crystallizes in the space group P1 with Z=2.
ChemInform Abstract: An Efficient Electrochemical Process for the Oxidation of Saturated Hydrocarbons: the Gif‐Orsay System.
Authors: BALAVOINE G. , BARTON D. H. R. , BOIVIN J. , GREF A. , OZBALIK N. , RIVIERE H.
Published: May 2016

Electrochemical oxidation of the cycloalkane (Ia) in a unicellular system in the presence of the iron cluster (II) yields the alcohol (Ib) and the ketone (Ic).
ChemInform Abstract: A Photochemical Source of Dibromo‐ and Dichlorocarbene. A Cautionary Tale Regarding the Stereochemistry of Dibromocarbene Addition Reactions.
Authors: HARTWIG J. F. , JONES M. JUN. , MOSS R. A. , LAWRYNOWICZ W.
Published: May 2016

The dienes (I) are converted to the trienes (II).
ChemInform Abstract: 6‐Bromo‐6‐(trimethylstannyl)bicyclo(3.1.0)hexane as a Thermal Precursor of 1,2‐Cyclohexadiene.
Authors: RUNGE A. , SANDER W.
Published: May 2016

The pyrolysis of the title compound (I) yields (II) and (III) and the carbene (IV).
ChemInform Abstract: Photodriven Electron Transfer in Triad Molecules: A Two‐Step Charge Recombination Reaction.
Authors: GUST D. , MOORE T. A. , MAKINGS L. R. , LIDDELL P. A. , NEMETH G. A. , MOORE A. L.
Published: May 2016

Excitation of carotenoid‐porphyrin‐quinone (C‐P‐Q) triad molecules initiates a two‐step electron transfer to yield a final charge separated state of the form C·+‐P‐Q·‐.
ChemInform Abstract: Laser Induced Synthesis: Condensation of Acrylonitrile on Mesityl Oxide.
Authors: LEMAIRE F. , STRINGAT R. , BERTAINA C. , FELLOUS R.
Published: May 2016

The laser‐induced coupling of mesityl oxide (I) and acrylonitrile (II) yields the adducts (III) ‐ (V).
ChemInform Abstract: 3,4‐Dimethylenefuran and 3,4‐Dimethylenethiophene, Heterocyclic Analogues of the Disjoint Non‐Kekule Hydrocarbon Tetramethyleneethane.
Authors: STONE K. J. , GREENBERG M. M. , GOODMAN J. L. , PETERS K. S. , BERSON J. A.
Published: May 2016

In solution, the diazene (I) (synthesized as its thia analogue (XVI) according to the literature) decomposes photochemically (< ‐30 °C, 350 nm irradiation) or thermally (> 0 °C) to give a complex mixture of dimers and trimers, empirically derived from the intermediate biradical (II).
ChemInform Abstract: Small and Medium Sized Rings. Part 57. Divinylglyoxal and Methylvinylglyoxal.
Authors: KRAMME R. , MARTIN H.‐D. , MAYER B. , WEIMANN R.
Published: May 2016

The title compounds (II) and (IV) are prepared by gas phase pyrolysis of the norbornene derivatives (I) and (III), respectively.
ChemInform Abstract: Crisscross Dimerization of 1‐Isopropylidene‐4,4‐dimethyl‐2,5‐cyclohexadiene.
Authors: NELSEN S. F. , TEASLEY M. F.
Published: May 2016

The cyclohexadiene (I) undergoes a crisscross dimerization in the presence of acids such as HBF4 in a solvent system of methylene chloride, trifluoroacetic acid and trifluoroacetic anhydride to form the polycyclic compound (II).
ChemInform Abstract: 4,14‐Divinyl‐(E,E)‐(4.4)paracyclophane‐1,11‐diene. An Unusual Product from a 1,10‐Hofmann Elimination.
Authors: GLATZHOFER D. T. , LONGONE D. T.
Published: May 2016

Pyrolysis of the ammonium base (I) yields the dimers (III) and (IV) via the Hofmann elimination product (II).
ChemInform Abstract: Synthesis of 1α‐, 2α‐, and 1β,2β‐Isomers of 5,9‐Methano‐5H‐benzo(3,4)cyclobuta(1,2)cycloheptenes.
Authors: POPESCU A. , PARVULESCU L. , STANESCU L. , GHEORGHIU M. D.
Published: May 2016

Reaction of the cycloolefins (I) with the trichloroacetate (II) leads to the formation of the dichlorides (III).
ChemInform Abstract: Novel Synthesis of Optically Active 4‐Demethoxyanthracyclinones Carrying a Hydroxymethyl or a Carbamoyloxymethyl Group at the C9‐Position.
Authors: SUZUKI M. , MATSUMOTO T. , OHSAKI M. , KIMURA Y. , TERASHIMA S.
Published: May 2016

The naphthacene‐2‐carboxylate (I) is reduced by the aluminum hydride (II) to yield the alcohol (III).
ChemInform Abstract: Lithiated Dimethylketene Diisopropyl Dithioacetal as a Synthon of Homoenolated Dianion of Isobutyric Ester. An Application to the Synthesis of α‐Methylenelactones.
Authors: FUJISAWA T. , UMEZU K. , SUZUKI M. , SATO T.
Published: May 2016

The anion of the dimethylketene dithioacetal (I) reacts with the electrophiles (II), (V), or (VII) to yield the products (III), (IV), (VI), or (VIII).
ChemInform Abstract: Novel Synthesis of 2‐Aminothiophenes via Iodoiminothiolactonization of γ,δ‐Unsaturated Secondary Thioamides.
Authors: TAKAHATA H. , MORIYAMA K. , MARUYAMA M. , YAMAZAKI T.
Published: May 2016

The unsaturated thioamides (I) undergo cyclization to yield the iodoiminothiolactones (II).
ChemInform Abstract: Reaction of Oxazoles. Formation of Abnormal Diels‐Alder Adducts of 5‐Methoxy‐4‐(p‐nitrophenyl)oxazoles with Tetracyanoethylene, and X‐Ray Crystal Structure of One of the Products.
Authors: IBATA T. , ISOGAMI Y. , NAKANO S. , NAKAWA H. , TAMURA H.
Published: May 2016

The methoxyoxazoles (I) react with tetracyanoethylene (II), yielding the methyl tetracyanodihydropyrrole carboxylates (III).
ChemInform Abstract: Hydroboration. Part 78. Reinvestigation of the Hydroboration of N‐Substituted‐3‐Pyrrolines. Preparation of N‐Benzyl‐3‐pyrrolidinol and (N‐Benzyl‐3‐pyrrolidinyl)boronate of very High Enantiomeric Purity.
Authors: BROWN H. C. , PRASAD J. V. N. V. , GUPTA A. K.
Published: May 2016

The N‐alkylpyrrolines (I) undergo hydroboration with excess (II), (III), or (IV).
ChemInform Abstract: A More Efficient Synthesis of DMPO‐Type (Nitrone) Spin Traps.
Authors: HAIRE D. L. , HILBORN J. W. , JANZEN E. G.
Published: May 2016

A procedure for the preparation of the 5,5‐dialkylpyrroline N‐oxides (II) by reduction of the nitro aldehydes (I) is presented.
ChemInform Abstract: 3‐Alkoxy‐1,2,3‐oxathiazolidin‐4‐one‐2‐oxides and 1‐Alkoxyindolin‐2‐ones from N‐Alkoxyglycolamides and Thionyl Chloride or 1,1′‐Thionyldiimidazole.
Authors: GEFFKEN D. , STROHAUER K.
Published: May 2016

The N‐alkoxy‐2‐hydroxyamides (I) react with thionyl chloride in the presence of triethylamine to yield either the oxathiazoline derivatives (II) or the indoleninones (III).
ChemInform Abstract: Seleno‐ and Sulpheno‐Lactonisation Reactions of 5,7‐Dienoic Acids.
Authors: HUCKSTEP M. R. , TAYLOR R. J. K. , CATON M. P. L.
Published: May 2016

The dienoic acids (I) react with the sulfenyl or selenenyl chlorides (II) to yield the δ‐lactones (III).
ChemInform Abstract: Synthesis of 2H‐Pyran‐2‐one Derivatives from Matricaria Ester.
Authors: PROSKA B. , UHRIN D. , FUSKA J.
Published: May 2016

The matricaria ester (I) reacts with HgO in acetic acid to yield a mercury derivative which is transformed into the 2H‐pyran‐2‐one (II) with an unsaturated aliphatic side chain.
ChemInform Abstract: Asymmetric Intramolecular Conjugate Addition of Amines to Chiral Vinyl Sulphoximides. Total Synthesis of (R)‐(+)‐ and (S)‐(‐)‐Carnegine.
Authors: PYNE S. G.
Published: May 2016

Trifluoroacetylation of the dimethoxyphenyl‐ethylamine (Ia), followed by N‐methylation, gives the amide (Ic).
ChemInform Abstract: Macroheterocycles. Part 29. Synthesis of Novel Binuclear Crown Ethers.
Authors: LUKYANENKO N. G. , MELNIK O. T. , KIRICHENKO T. I.
Published: May 2016

The binuclear crown ethers (VI) are prepared in four steps starting from the tetraol (I).
ChemInform Abstract: Condensation of N,N‐Bis(trimethylsilyl)formamide with Aldehydes: A General Method for the Synthesis of 1‐Formamido‐1‐trimethylsilyloxyalkanes.
Authors: JOHNSON A. P. , LUKE R. W. A. , STEELE R. W.
Published: May 2016

The compounds (I) are converted to the trimethylsilyloxyalkyl formamides (IV) by treatment with the silylated compounds (II) and (III).
ChemInform Abstract: Insertion Reactions of Dimethylgermanone ((CH3)2Ge=O) into Si‐O and Si‐Cl Bonds.
Authors: KANG K.‐T. , MANUEL G. , WEBER W. P.
Published: May 2016

Pyrolysis of the bicyclic germaoxirane (I) in the presence of the oxadisilacyclopentane (II) gives butadiene (III) and the dioxagermadisilacycloheptane (IV).
ChemInform Abstract: Optically Active Chromium(III) Complexes. Part 7. Chiroptical and Kinetic Properties of Chloro(1,5‐diazahexane)(1,4,7‐triazaheptane)chromium(III) Tetrachlorozincate(II), (CrCl(N‐Me‐tn)(dien))ZnCl4.
Authors: HOUSE D. A.
Published: May 2016

One isomer of the title complex (I) has been isolated from the reaction of CrCl3·6 H2O, dehydrated in DMF, with the appropriate polyamines.
ChemInform Abstract: Synthesis of Mono and Binuclear Carbonyl Complexes of Manganese with Cyanide or Thiocyanate Ligands. X‐Ray Crystal Structure of ((fac‐Mn(CO)3(phen))2(μ‐CN))PF6.
Authors: CARRIEDO G. A. , CRESPO M. C. , RIERA V. , VALIN M. L. , MOREIRAS D. , SOLANS X.
Published: May 2016

The neutral Mn complexes (II) are prepared by nucleophilic substitution of triphenyl phosphite by I‐ or CNS‐, or by exchange of the iodo ligand in (IIa) by CN‐.
ChemInform Abstract: Synthesis and X‐Ray Structure of the First Cluster‐Stabilized Phosphaallene, (μ3‐η2‐tBuP(C=CH(C6H5)))FeCo2(CO)9.
Authors: MATHIEU R. , CAMINADE A.‐M. , MAJORAL J.‐P. , DARAN J.‐C.
Published: May 2016

Comlexation of the CC triple bond in (III), prepared from (I) and (II), by reaction with Co2(CO)8 yields the complex (IV), which on refluxing in hexane gives two complexes: the major product (V), in which the P atom has lost the phenylethynyl group and one hydrogen, and the title product (VI) (in low yield), which crystallizes in the space group Pbca with Z = 8. Phenylacetylene is detected in the reaction media, but it is shown that (VI) does not result from the reaction of (V) with the alkyne.
ChemInform Abstract: Synthetic and Solution Studies on Metal Complexes of N,N,N′,N′‐Tetrakis(2‐carbamoylethyl)ethylenediamine.
Authors: HAY R. W. , PUJARI M. P. , GOVAN N. , PEROTTI A.
Published: May 2016

The preparation of the title ligand occurs by Michael addition of ethylenediamine to acrylamide in refluxing acetonitrile.
ChemInform Abstract: Crystal Structures and Magnetism of Binuclear Copper(II) Complexes with Alkoxide Bridges. Importance of Orbital Complementarity in Spin Coupling Through Two Different Bridging Groups.
Authors: NISHIDA Y. , KIDA S.
Published: May 2016

Schiff bases, prepared by the reaction of 1,3‐diaminopropan‐2‐ol with appropriate carbonyl compounds, react with Cu acetate or benzoate to give the title complexes (I) and (II) (no yields given).
ChemInform Abstract: Formaldehyde Oxime as a Precursor to Cyanide in Mixed‐valence Copper(I,II) Complexes. Hydration of Nitrile Solvents.
Authors: CONNOR J. A. , GIBSON D. , PRICE R.
Published: May 2016

When nitrile solvents are used for the reaction between anhydrous Cu(II) acetate (I) and the formaldoxime polymer (II), in the absence of a dehydrating agent such as acetic anhydride, hydration of the nitrile to the carboxamide occurs.
ChemInform Abstract: Alkyl Compounds of Ruthenium(III) and ‐(V) and Osmium(III). X‐Ray Crystal Structures of Hexakis(trimethylsilylmethyl)‐ and Hexakis(neopentyl)diruthenium(III), Dioxohexakis(trimethylsilylmethyl)diruthenium(V), and Bis(η3‐allyl)tetrakis(neopentyl)diosmium(III).
Authors: TOOZE R. P. , WILKINSON G. , MOTEVALLI M. , HURSTHOUSE M. B.
Published: May 2016

The interaction of 4 or 6 equiv. MgR1Cl or MgR1 2 with the acetate‐bridged Ru(II),Ru(III) complex (I) leads to the bis(μ‐acetato)tetraalkyl‐ or the hexaalkyl‐Ru(III),Ru(III) compounds (II) and (III).
ChemInform Abstract: Iridium Nitrosyl and Carbonyl Complexes with 2‐Pyridinecarbaldehyde Azines.
Authors: GHEDINI M. , LONGERI M. , NEVE F.
Published: May 2016

The binucleating ligands (III) or (V) react with the parent cationic complexes (I) and (II) to give the mononuclear compounds (IV) and (VIa).
ChemInform Abstract: Synthesis of meso‐Tetravinyl Porphyrins Through 1‐Selenoallyl Cationic Species.
Authors: HEVESI L. , RENARD M. , PROESS G.
Published: May 2016

The porphyrins (III), mentioned in the title, are prepared by condensation of pyrrole (II) with the unsaturated selenoacetals (I), followed by oxidation.
ChemInform Abstract: Biomimetic Total Synthesis of Steroids. Part 10. Synthesis of 7‐(Methoxymethyl)‐ and 7‐(Phenylmethoxymethyl)‐19‐norsteroids.
Authors: GROEN M. B. , ZEELEN F. J.
Published: May 2016

Cationic cyclization of the alcohols (VIII), prepared from the diester (I), yields the title compounds (IX) and (X) as major products.
ChemInform Abstract: Total Synthesis of (.+‐.)‐Cortisone. Double Hydroxylation Reaction for the Construction of Corticoid Side Chain.
Authors: HORIGUCHI Y. , NAKAMURA E. , KAWAJIMA I.
Published: May 2016

An 18‐step synthesis of cortisone (I) is presented.
ChemInform Abstract: Facile Synthesis of D,L‐Phosphinothricin from Methyl 4‐Bromo‐2‐phthalimidobutyrate.
Authors: LOGUSCH E. W.
Published: May 2016

2‐Bromo‐4‐butyrolactone (I) is converted to the phthalimido derivative (III) which is cleaved to form the bromocarboxylic acid (IV).
ChemInform Abstract: An Efficient Synthesis of Glycosyl Esters Exploiting the Mitsunobu Reaction.
Authors: SMITH A. B. , HALE K. J. , RIVERO R. A.
Published: May 2016

Pyranoses such as (V) and 1,2'‐linked disaccharides such as (I) are coupled with the carboxylic acids (II) in the presence of the azodicarboxylate (III) to yield the glycosyl esters (IV) and (VI).
ChemInform Abstract: Investigation of the Tb3+ Luminescence in the Fluoride LiNaY2F8.
Authors: ZAMBON D. , MAHIOU R. , ARBUS A. , FOURNIER M. T. , COUSSEINS J. C.
Published: May 2016

In the course of Tb3+ fluorescence measurements on a new phase, LiNaY2‐xTbxF8, a process of cross relaxation has been observed between the 5D3 and 5D4 levels and is accurately predicted by the Inokuti‐Hirayama model for a electric dipole‐dipole interaction, leading to a critical distance of 11 Å.
ChemInform Abstract: A Sodium/Beta‐Alumina/Nickel Chloride Secondary Cell
Authors: GALLOWAY R. C.
Published: May 2016

has been developed using a Ni/NaCl sinter as positive electrode and a molten NaAlCl4 electrolyte that acts as intermediate between electrode and β‐Al2O3 tube.
ChemInform Abstract: Chemical Vapor Deposition of Gold.
Authors: LARSON C. E. , BAUM T. H. , JACKSON R. L.
Published: May 2016

It is demonstrated that high‐purity Au films can be prepared by large‐area chemical vapor deposition from the dimethyl‐2,4‐pentandionato Au(III) complex (Me2Au(acac)), as well as from its trifluoro (Me2Au(tfac)) and a hexafluoro (Me2Au(hfac)) derivatives.
ChemInform Abstract: Californium‐252 Plasma Desorption Mass Spectrometry as an Aid in the Synthesis of a Series of Adenosine and Xanthine Conjugates.
Authors: JACOBSON K. A. , PANNELL L. K. , KIRK K. L. , FALES H. M. , SOKOLOSKI E. A.
Published: May 2016

Two series of biologically active purine derivatives are analyzed using the title mass spectrometry technique.
ChemInform Abstract: Reactions of Azinium Cations. Part 5. Addition of Water and Methanol to 1,4‐Diazinium Cations in the Presence of Bases. Equilibrium Constants and NMR Spectra of the Mono‐ and Bis‐Adducts.
Authors: CHARUSHIN V. N. , KAZANTSEVA I. V. , PONIZOVSKII M. G. , EGOROVA L. G. , SIDOROV E. O. , CHUPAKHIN O. N.
Published: May 2016

The pyrazinium salts (I) react with water or methanol in the presence of a base, giving mono‐ and bis‐adducts (II) and (III).
ChemInform Abstract: Photochemical Studies of Unsaturated Lactones. Part 43. Photoanellation of 2‐Acetyl‐3,4,4‐trimethyl‐2‐buten‐4‐olide with Terminal Alkynes.
Authors: AVETISYAN A. A. , MARGARYAN A. KH. , NALBANDYAN G. K. , AVETISYAN T. V.
Published: May 2016

Irradiation of mixtures of the acetyltrimethylbutenolide (I) and the alkynes (II) in benzene solution yields the cycloaddition products (III) and (IV) and the heptenylbutanolide (Va).
ChemInform Abstract: One‐Electron Oxidation of Flavins. A Flash Photolysis and Pulse Radiolysis Study.
Authors: HEELIS P. F. , PARSONS B. J. , PHILLIPS G. O. , SWALLOW A. J.
Published: May 2016

Oxidation of flavins (Fl) in aqueous solution has been studied by using the reactions of the sulfate radicals (SO·‐ 4) and tetranitromethane with the flavin derivatives (I) and (II) in their ground and triplet excited states, respectively.
ChemInform Abstract: Synthesis of Nitriles via the Ylide Anion of Sodium Cyanotriphenylphosphorane‐ylidenemethanide.
Authors: BESTMANN H. J. , SCHMIDT M.
Published: May 2016

The title compound (II) can be isolated as yellow air‐ and moisture‐sensitive powder.
ChemInform Abstract: Protection of Pyrrole and Indole Derivatives.
Authors: DHANAK D. , REESE C. B.
Published: May 2016

The title compounds (I) are protected by base treatment and subsequent reaction with (II), (IV), (VI) or (VIII) to give (III), (V), (VII) or (IX).
ChemInform Abstract: Novel Method for Nitration and Polymerization of Symmetric Trihydroxybenzene Using Ceric(IV) Ammonium Nitrate.
Authors: CHAUDHURI K. , CHAWLA H. M.
Published: May 2016

Phloroglucinol (I) on reaction with the title compound CAN gives rise to the products (II)‐(V).
ChemInform Abstract: Control of the Molecular Weight of Polyethene in Syntheses with Bis(ylide)nickel Catalysts.
Authors: OSTOJA STARZEWSKI K. A. , WITTE J.
Published: May 2016

Polyethenes in almost all molecular weight ranges ‐ from polyethene waxes and hard waxes through high‐density polyethene to ultrahigh molecular weight polyethene ‐ are accessible with the aid of novel, very active bis(ylide)‐Ni(0) catalysts.
ChemInform Abstract: A New Reagent for the Generation of Tetramethylcyclobutadiene Under Thermal or Photochemical Conditions.
Authors: PITT I. G. , RUSSELL R. A. , WARRENER R. N.
Published: May 2016

Tetramethylcyclobutadiene (III), generated from 2‐butyne (I) via the aluminum complex (II), is trapped with the dibromomaleimide (IV) to produce the adduct (V).
ChemInform Abstract: Unusual 1,6‐Addition of a Carbenoid.
Authors: BIRKHAHN M. , DEHMLOW E. V. , BOEGGE H. +
Published: May 2016

Decomposition of the diazoketone (I), prepared in five steps from cyclooctatetraene, yields the product (II) (space group P21/c, Z=4) via the title reaction.
ChemInform Abstract: Unsaturated Oximes. Part 29. 1‐Methoxyimino‐3‐phenylpropenes. Isomazole, Synthesis of the Enantiomers.
Authors: UNTERHALT B. , ELJABOUR S.
Published: May 2016

The aldehydes (I) react with O‐methylhydroxylamine (II) to produce the O‐methyloximes (III).
ChemInform Abstract: Synthesis of New Thiosulfonates and Disulfides from Sulfonyl Chlorides and Thiols.
Authors: MAHIEU J.‐P. , GOSSELET M. , SEBILLE B. , BEUZARD Y.
Published: May 2016

The arylthiols (I) react with the sulfonyl chlorides (II) to produce either the thiosulfonates (III) or the disulfides (IV), depending on the ratio of the reactants and the reaction temperature.
ChemInform Abstract: Synthetic Anthracyclinones. Part 32. Synthesis of Daunomycinone via Intramolecular Nucleophilic Addition to 9,10‐Anthraquinones.
Authors: KROHN K. , BALTUS W.
Published: May 2016

The daunomycinone precursor (V) is prepared by alkylation of dimethyl acetonedicarboxylate (II) with the chloromethylanthraquinone (I), followed by hydrolysis and decarboxylation.
ChemInform Abstract: A New Method for the Synthesis of 3‐Substituted Indoles by ipso‐Substitution.
Authors: MAJCHRZAK M. W. , SIMCHEN G.
Published: May 2016

3‐Trimethylsilylindole (Ib) reacts with the acyl halides (II) in the presence of Lewis acids to yield the 3‐acylindoles (III).
ChemInform Abstract: Synthesis of New Analogues of Furapiole, a Potent Insecticide Synergist.
Authors: DEVAKUMAR C. , MUKERJEE S. K.
Published: May 2016

The analogues (Ib), (Ic), (III) and (V) of the title compound (Ia) are synthesized as shown in the scheme.
ChemInform Abstract: Tetrafluoro‐1,2‐ethanedisulfenyl Dichloride, a Versatile Reagent for the Preparation of Five‐Membered Heterocycles.
Authors: ROESKY H. W. , BENMOHAMED N.
Published: May 2016

Reaction of the title compound (II) with the cyclic or acyclic ketones (I) yields the 1,3‐dithiolanes (III) ‐ (V).
ChemInform Abstract: Modulation of the Regioselectivity in the Cycloaddition of Diphenylnitrilimine to Substituted 1,2‐Dihydronaphthalenes. Stereospecificity of the Reaction.
Authors: TSHIAMALA K. , KITANE S. , VEBREL J. , LAUDE B.
Published: May 2016

The 2‐substituted compound (I) reacts with the in situ prepared nitrilimine (V) to afford adduct (II) as major product.
ChemInform Abstract: Novel Polyfunctional Spiroheterocycles from Acetylenic Hydroxyacids.
Authors: TROFIMOV B. A. , MAL'KINA A. G. , SKVORTSOV YU. M. , SOKOLYANSKAYA L. V. , GRITSA A. I.
Published: May 2016

The γ‐hydroxyalkynoates (I) react with lithium sulfide to form the spiroheterocycles (II).
ChemInform Abstract: Reaction of Tetrahydropyranyl Ether of 1‐Bromomethyl‐2‐naphthol with Tetrachlorocatechol. Structures of Novel Products.
Authors: KASTURI T. R. , RAJASEKHAR B. , SIVARAMAKRISHNAN R. , REDDY P. A. , REDDY G. M. , PRASAD K. B. G. , VENKATESAN K. , ROW T. N. G. , PURANIK V. G. , TAVALE S. S. , SRINIVASAN P. R.
Published: May 2016

The reaction between the compounds (I) and (II) under the conditions indicated unexpectedly yields the products (III) and (IV).
ChemInform Abstract: Transformation of an Enaminoketone to 2,3′‐Bibenzopyrans.
Authors: SCHURREIT T.
Published: May 2016

The enaminoketone (I) is treated with POCl3 in analogy to the known conversion of (I) into (IIc) with thionyl chloride.
ChemInform Abstract: Pyridinethiones. Part 13. Alkylation of 1,5‐Pentenedione Enolates, New Synthons for the Preparation of 5‐Substituted 2(1H)‐Pyridinethiones.
Authors: BECHER J. , STIDSEN C. E. , ASAAD F. M.
Published: May 2016

The pyridinethiones (IV) are prepared from the 1,5‐pentenediones (I) by alkylation of the enolates (II), addition of isothiocyanates, and subsequent cyclization.
ChemInform Abstract: Antiparasitic Agents. Part 5. Synthesis of 4‐(Substituted‐aryl)amino‐7‐chloroquinolines as Potential Antimalarial Agents.
Authors: CHAUHAN P. M. S. , SHARMA S. , BHAKUNI D. S.
Published: May 2016

The title compounds (III), (IV), (VII), (X) and (XII) are synthesized as shown in the scheme and screened, to gether with the sulfone (XIII) which is available from (Ib), for their antimalarial and antifilarial activity.
ChemInform Abstract: Cardiotonic Agents. Part 2. Synthesis and Structure‐Activity Relationships in a New Class of 6‐, 7‐, and 8‐Pyridyl‐2(1H)‐quinolone Derivatives.
Authors: LECLERC G. , MARCINIAK G. , DECKER N. , SCHWARTZ J.
Published: May 2016

Cyclization of the chloroaniline (I) in the presence of cinnamoyl chloride (II) yields the quinolone (III) which is converted into the pyridyl derivatives (IV).
ChemInform Abstract: Tetrahydroisoquinolines. Part 2. Synthesis of 4‐Substituted N‐Methyl‐1,2,3,4‐tetrahydroisoquinolines via Regio‐ and Stereo‐Selective Elaboration of Tricarbonyl(N‐methyl‐1,2,3,4‐tetrahydroisoquinoline)chromium.
Authors: BLAGG J. , COOTE S. J. , DAVIES S. G. , MOBBS B. E.
Published: May 2016

Thermolysis of hexacarbonylchromium with the isoquinoline derivative (I) generates the complex (II).
ChemInform Abstract: Conformationally Restricted Congeners of Hypotensive and Platelet Aggregation Inhibitors: 6‐Aryl‐5‐methyl‐4,5‐dihydro‐3(2H)‐pyridazinones Derived from 5H‐Indeno(1,2‐c)pyridazine.
Authors: CIGNARELLA G. , BARLOCCO D. , PINNA G. A. , LORIGA M. , TOFANETTI O. , GERMINI M. , SALA F.
Published: May 2016

The amino‐substituted dihydroindenopyridazinones (VI) are prepared via the indanone (III).
ChemInform Abstract: Synthesis and Structure Determination of Products from Addition of Dimethyl Acetylenedicarboxylate to 2,3‐Dihydro‐2‐thioxoquinazolin‐4(1H)‐one. X‐Ray Molecular Structure of the Dimethyl Esters of 1,2‐Dihydro‐5‐oxo‐5H‐thiazolo(3,2‐a)quinazoline‐1,2‐dicarboxylic, 2,3‐Dihydro‐5‐oxo‐5H‐thiazolo(2,3‐b)quinazoline‐2,3‐dicarboxylic, and 5‐Oxo‐5H‐thiazolo(2,3‐b)quinazoline‐2,3‐dicarboxylic Acids.
Authors: GIANNOLA L. I. , PALAZZO S. , LAMARTINA L. , RIVA DI SANSEVERINO L. , SABATINO P.
Published: May 2016

The reaction between the quinazoline (I) and the diester (II) yields the products (III)‐(VI) together with small amounts of dimethyl fumarate.
ChemInform Abstract: A New Type of Dimroth Rearrangement: Formation of 1,2‐Dihydro‐3H‐quinazolone 4‐Oximes from 4‐Amino‐1,2‐dihyroquinazoline 3‐Oxides.
Authors: KORBONITS D. , KOLONITS P.
Published: May 2016

The reaction of the oxime (I) with the aldehydes (II) yields the 2‐substituted dihydroquinazoline 3‐oxides (III).
ChemInform Abstract: Reissert Compound Studies. Part 55. Studies with Reissert Compounds. Part 17. Mono‐Reissert Compound Formation at the 1,2‐Position of the Quinazoline System.
Authors: UFF B. C. , JOSHI B. L. , POPP F. D.
Published: May 2016

The quinazolines (I) are selectively converted to the mono‐Reissert compounds (IV) by use of acid chlorides (III) and the cyanide (II).
ChemInform Abstract: Reaction of o‐Aminophenol and p‐Benzoquinone in Acetic Acid.
Authors: BOLOGNESE A. , SCHERILLO G. , SCHAEFER W. +
Published: May 2016

o‐Aminophenol (I) and p‐quinone (II) are combined to yield the products (III) ‐ (IX).
ChemInform Abstract: Iminophosphorane‐Mediated Syntheses of (1,2,4)Triazolo(5,1‐c) (1,2,4)triazines. The Unexpected Formation of Z,Z‐1,3‐Diazetidine‐2,4‐di‐imines. X‐Ray Molecular Structure of 7‐(p‐Chloroanilino)‐8‐(p‐chlorophenyl)‐3‐methyl(1,2,4)triazolo(5,1‐c) (1,2,4)triazin‐4(8H)‐one and of 1,3‐Bis‐(p‐chlorophenyl)‐2,4‐bis‐(6‐methyl‐3‐methylthio‐5‐oxo‐4,5‐dihydro‐1,2,4‐triazin‐4‐ylimino)‐1,3‐diazetidine.
Authors: MOLINA P. , ALAJARIN M. , RAMON SAEZ J. , FOCES‐FOCES M. C. , HERNANDEZ CANO F. , CLARAMUNT R. M. , ELGUERO J.
Published: May 2016

The phosphoranylideneaminotriazine (Ib) obtained from (Ia) reacts with aryl isocyanates (II) to give the unexpected azetidine derivatives (III) which are converted to the title compounds (IV) on treatment with aqueous Et‐OH.
ChemInform Abstract: Synthesis and Selectivity for Lithium of Lipophilic 14‐Crown‐4 Derivatives Bearing Bulky Substituents or an Additional Binding Site in the Side Arm.
Authors: KIMURA K. , YANO H. , KITAZAWA S. , SHONO T.
Published: May 2016

The crown ethers (III) are synthesized by cyclization of the diols (I) with the ditosylate (II), whereas for the preparation of the crown ethers (IV) and (V) various methods are used.
ChemInform Abstract: IR Spectroscopic Evidence for Silicon‐Oxygen Double Bonds: Methyl‐ and Dimethylsilanones in Solid Argon.
Authors: WITHNALL R. , ANDREWS L.
Published: May 2016

Based on the recently reported formation of silanone H2SiO the IR spectra in the 1160‐1220 cm‐1 region after high‐pressure mercury‐arc irradiation of argon matrices containing MeSiH3 or Me2SiH2 and O3 provide evidence for the formation of methylsilanone Me(H)SiO or dimethylsilanone Me2SiO.
ChemInform Abstract: (Me3Si)2N‐P=NSiMe3 as an Educt for Electron‐Rich Phosphorus‐Nitrogen Ligands.
Authors: SCHERER O. J. , GOEBEL K. + , KAUB J.
Published: May 2016

Three unusual P‐N compounds stabilized in di‐ or trinuclear clusters (III), (IV), and (V) are formed on cothermolysis of Fe3(CO)12 (I) and the title compound (II): the substituted hydroxy(imino)phosphane AN=POA, the phosphanediyl P‐NA2, and the 6e‐donor ligand A2N‐P+‐NA‐P‐(NHA)=NA (A: SiMe3).
ChemInform Abstract: Reactions of Coordinated Molecules. Part 47. Preparation of Rhena‐β‐ketoimine Derivatives of Iodoacetamide and of an N‐Hydroxysuccinimide Ester: Heavy‐Atom Labeling Reagents for Sulfhydryl and Amino Groups.
Authors: LUKEHART C. M. , RAJA M.
Published: May 2016

The rhena‐β‐ketoimine complex (IIc) containing an iodoacetamide moiety is prepared from (I) as shown as a reagent for effecting heavy‐atom labeling of molecules containing sulfhydryl groups.
ChemInform Abstract: Transient Formyl Derivatives of Rhenium Carbonyls. The Facile Ligand Dissociation of Halorhenate Species.
Authors: NARAYANAN B. A. , KOCHI J. K.
Published: May 2016

Borohydride reduction of bromopentacarbonyl‐Re(I) (I) affords the corresponding formyl complex (II) which differs from that of many other formylmetals in that its stability is unaffected by Sn hydrides.
ChemInform Abstract: Preparation and Physico‐chemical Properties of Bis(salicylaldehyde hydrazonato)iron(III), ‐manganese(III) and ‐chromium(III) Iodides.
Authors: TIRANT M. , SMITH T. D. , PILBROW J. R.
Published: May 2016

Bis(salicylaldehyde hydrazonato)Fe(III) iodide (II) is prepared by reduction of tris(salicylaldehyde hydrazonato)Fe(III) (I) with hydrazine in DMF followed by reaction with MeI.
ChemInform Abstract: Organometallic Compounds of Iridium and Rhodium. Part 30. Oligophosphine Ligands. Part 21. Oxidative Coupling of Carbon Dioxide and Nitrosobenzene by Rh(4‐MeC6H4)(tBuP(CH2CH2CH2PPh2)2).
Authors: DAHLENBURG L. , PRENGEL C.
Published: May 2016

The compound (II), prepared by the title reaction, is characterized by its 31P NMR spectrum which indicates the presence of two of the four possible stereoisomers in solution.
ChemInform Abstract: Three New Heliangolides from Tithonia rotundifolia.
Authors: ALONSO‐LOPEZ M. , BORGES‐DEL‐CASTILLO J. , RODRIGUEZ‐UBIS J. C. , VAZQUEZ‐BUENO P.
Published: May 2016

The new germacranolides tithonin (Ia), O‐methyltithonin (Ib), and 14‐deacetyl‐17,18‐dihydrorotundin (II) (a minor constituent) are isolated from the title plant.
ChemInform Abstract: Synthetic Studies in Diterpene Series. Part 12. Synthesis of (.+‐.)‐14‐Ethyl‐13‐methylpodocarpa‐8,11,13‐triene. A Precursor of Veadeirol and Veadeiroic Acid.
Authors: NASIPURI D. , MAHAPATRA B. , SAMADDAR A. K. , SAHA A.
Published: May 2016

The ester (I) is transformed to a separable mixture of the tricyclic compounds (XII) and (XIII) as shown in the scheme.
ChemInform Abstract: Triterpenes. Part 79. Preparation of Isomeric 2‐Methyl‐1‐oxotriterpenoids of the 18α‐Oleanane Series; Conformation of Ring A.
Authors: KLINOT J. , SVETLY J. , KLINOTOVA E. , BUDESINSKY M. , VYSTRCIL A.
Published: May 2016

The title compounds (IV) can successfully be prepared starting from ketone (I).
ChemInform Abstract: Construction of an Enzyme‐Targeted Organophosphonate Using Immobilized Enzyme and Whole Cell Synthesis.
Authors: REIMER L. M. , CONLEY D. L. , POMPLIANO D. L. , FROST J. W.
Published: May 2016

The title compound (VII), a potential inhibitor of plant aromatic amino acid biosynthesis, is successfully constructed.
ChemInform Abstract: Structural Transformations of N‐Acetylneutraminic Acid. Part 5. Transformation of the Carboxyl Group of N‐Acetylneuraminic Acid into a Tetrazole Group.
Authors: SCHMID W. , ZBIRAL E. , CHRISTIAN R. , SCHULZ G.
Published: May 2016

The N‐acetylneuraminic ester (I) is converted to the corresponding peracetylated amide (II), which is further transformed to the nitrile (III) on treatment with POCl3 and pyridine.
ChemInform Abstract: Novel 2,6‐Anhydro‐β‐D‐hexopyranosyl Fluorides by Fluorination of 1,6‐Anhydro‐α‐D‐hexopyranoses with Diethylaminosulfur Trifluoride.
Authors: BAILLARGEON D. J. , REDDY G. S.
Published: May 2016

The fluorination of the anhydropyranoses (I) and (IV) by diethylaminosulfur trifluoride (DAST) (II) is accompanied by a 1,2‐migration of the bridging oxygen atom, yielding the fluorides (III) and (V) respectively.
ChemInform Abstract: Catalytic‐Transfer Hydrogenolysis of Benzylidene Acetals with Palladium‐Carbon and Ammonium Formate or Hydrazine Hydrate.
Authors: BIEG T. , SZEJA W.
Published: May 2016

The direction of the hydrogenolytic ring‐cleavage of 2‐phenyl‐1,3‐dioxolanes (I) and (III) is determined by the configuration of the acetal carbon atom.
ChemInform Abstract: Fluorination of 3,4,6‐Tri‐O‐acetyl‐1,5‐anhydro‐2‐deoxy‐D‐arabino‐hex‐1‐ enitol in Water.
Authors: DI RADDO P. , DIKSIC M.
Published: May 2016

Reaction of fluorine with tri‐O‐acetylglucal (I), followed by acetylation, yields the difluoro compounds (II), together with the 2‐deoxy‐2fluoro sugars (III).
ChemInform Abstract: Synthesis of 1,4‐Dideoxy‐1,4‐imino‐D‐glucitol, a Glucosidase Inhibitor.
Authors: KUSZMANN J. , KISS L.
Published: May 2016

The 1,4‐dimesylate (I) is converted to the 1‐azide (IIa) by treatment with sodium azide.
ChemInform Abstract: A Short Synthesis of 2‐Deoxy‐2‐fluoro‐D‐glucose.
Authors: KOVAC P.
Published: May 2016

Fluorination of the mannose derivative (I) produces the protected fluoro sugar (II).
ChemInform Abstract: Chemical Transformation of Protoberberines. Part 9. A Biomimetic Synthesis of Oxychelerythrine, Dihydrochelerythrine, and Chelerythrine from Berberine.
Authors: HANAOKA M. , MOTONISHI T. , MUKAI C.
Published: May 2016

The biomimetic synthesis of the title compounds (IV)‐(VI) is described which starts from the commercially available berberine (I).
ChemInform Abstract: Lewis Acid‐Catalysed Reactions of 2,2,2‐Trichloroethyl 6‐Diazopenicillanate and Imines: Rearrangements of Spiro‐6‐aziridine‐ and Spiro‐6‐oxiranepenicillanates. X‐Ray Crystal Structures of (3S,6′S)‐2,2,2‐Trichloroethyl 3‐(4‐Nitrophenyl)‐1‐phenylspiro(aziridine‐2,6′‐penicillanate) and (3S,7aR)‐2,2,2‐Trichloroethyl 2,3,5,7a‐Tetrahydro‐7‐methoxy‐2,2‐dimethyl‐6‐(4‐nitrophenyl)‐5‐oxopyrrolo(2,1‐b)thiazole‐3‐carboxylate.
Authors: JEPHCOTE V. J. , JOHN D. I. , WILLIAMS D. J.
Published: May 2016

In the presence of BF3, the penicillanate (I) and the imines (II) react to form the aziridines (III) and (IV), the thiazolo‐pyrimidinones (V) and the pyrrolothiazole (VId); rearrangement of (IIIa)‐(IIIc) with BF3 affords the pyrrolothiazoles (VIa)‐(VIc).
ChemInform Abstract: Aspects of the Chemistry of 6‐Diazopenicillanate S‐Oxide and S,S‐Dioxide.
Authors: HANLON B. , JOHN D. I.
Published: May 2016

N‐Nitrosation of the acetamidopenicillanates (I) and thermal decomposition of the intermediate N‐nitroso amides yields the S‐oxides and S,S‐dioxides (II).
ChemInform Abstract: Reduction of Cyclic Hemiacetals. The Synthesis of Demethoxyeleutherin and Nanaomycin A.
Authors: KRAUS G. A. , MOLINA M. T. , WALLING J. A.
Published: May 2016

The cyclic hemiacetals (I) or (IV) are reduced with triethylsilane (II), yielding the cyclic ethers (III) or (V) in a highly stereoselective manner.
ChemInform Abstract: Adriamycin Analogues. Preparation of 7‐O‐(D‐Ribofuranosyl)daunomycinone and ‐adriamycinone.
Authors: KUMAR N. , SESHADRI R. , ISRAEL M.
Published: May 2016

Reaction of the ribofuranosyl bromide (II), obtained from (I), with daunomycinone (IIIa) or adriamycinone (IIIb) yields the coupled products (IV) which are deprotected to give the title compounds (Va) and (VI).
ChemInform Abstract: Multinuclear Solid‐State NMR Study of Dehydration of Na‐Y Type Zeolites.
Authors: HAYASHI S. , HAYAMIZU K. , YAMAMOTO O.
Published: May 2016

23Na, 27Al, and 29Si MAS NMR spectra are reported for dehydrated, non‐dehydrated and rehydrated samples of Na‐Y zeolites and the results are discussed in relation to the hydration state.