bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Reactions of 2‐Azapentadienyl Anions with Carbonyl Compounds: Regioselectivity.
Authors: WOLF G. , WUERTHWEIN E.‐U. +
Published: May 2016

Benzophenone (I) reacts with allylamine (II) to give the imine (III) which is deprotonated to yield the lithium salt (IV).
ChemInform Abstract: A Desirable Route to Heterodimers of 1,4‐Dihalobenzenes and Anthracene and Their Photoproperties and Thermal Properties.
Authors: KIMURA M. , OKAMOTO H. , KURA H. , OKAZAKI A. , NAGAYASU E. , SATAKE K. , MOROSAWA S. , FUKAZAWA M. , ABDEL‐HALIM H. , COWAN D. O.
Published: May 2016

Irradiation of mixtures of the dihalodihydrophthalic anhydrides (I) and the anthracenes (II) gives the photoadducts (III).
ChemInform Abstract: Conversion of Benzoin into 9,10‐Phenanthrenequinone by Photocyclization.
Authors: DE VRIES J. G. , HUBBARD S. A.
Published: May 2016

Benzoin (I) undergoes cyclocondensation with phenylboronic acid (II) to form triphenyldioxaborole (III).
ChemInform Abstract: The Mechanism of Trimerization of Bicyclo(2.2.2)alkynes.
Authors: SHAHLAI K. , HART H.
Published: May 2016

The formation of the trimer (III) in the reaction of (I) with BuLi is assumed to proceed via a stepwise mechanism which includes the intermediacy of the bicycloalkyne (II) as well as a dimeric species.
ChemInform Abstract: A Novel Variant of Sulfur Ylide Generation During the Corey Reaction.
Authors: SHIRYAEV A. K. , MOISEEV I. K.
Published: May 2016

The ketones (I) are transformed into the epoxy compounds (III) by reaction with dimethylsulfoxonium methylide generated in situ from the sulfoxonium salt (II) on treatment with sodium or potassium hydroxide.
ChemInform Abstract: A Convenient Synthesis of γ‐Oxoacrylates.
Authors: MANFREDINI S. , SIMONI D. , ZANIRATO V. , CASOLARI A.
Published: May 2016

The 2,4‐dioxoalkanoates (I) react chemoselectively with pyrrolidine (II) to give the oxoenamines (III) which are reduced, yielding the saturated amino keto esters (IV).
ChemInform Abstract: Dimeric 1,4‐Dihydropyridines as Calcium Channel Antagonists.
Authors: JOSLYN A. F. , LUCHOWSKI E. , TRIGGLE D. J.
Published: May 2016

Knoevenagel condensation of the nitrobenzaldehydes (I) and ethyl acetoacetate (II) gives the benzylidene derivatives (III).
ChemInform Abstract: Short and Enantioselective Syntheses of (R)‐ and (S)‐2‐Hydroxymethyl‐1,4‐benzodioxane.
Authors: DELGADO A. , LECLERC G. , LOBATO C. , MAULEON D.
Published: May 2016

The allyl alcohol (I) is converted by a literature‐known method to the chiral glycidyl tosylate (R)‐(II) which reacts with pyrocatechol (III) to give the chiral benzodioxane (S)‐(IV) in high optical purity.
ChemInform Abstract: Diastereoselective, Silver(I)‐Catalyzed Cyclizations of Acetylenic Isoureas to Oxazolidines and Oxazines. Acetic Acid‐Induced Conversion of the Alkylideneoxazines into 2‐N‐Substituted 1Z,3E‐1,3‐Dienes.
Authors: CLEGG W. , COLLINGWOOD S. P. , GOLDING B. T. , HODGSON S. M.
Published: May 2016

Treatment of the O‐alkynylisoureas (I) and (III) with silver(I) triflate results in cyclization, forming the oxazolidines (II) or the 1,3‐oxazines (IV).
ChemInform Abstract: 2,4,6,8‐Tetraazabarbaralanes: Models for Tetraazasemibullvalenes.
Authors: GOMPPER R. , NOETH H. + , SPES P.
Published: May 2016

The tetraazabarbaralane (III) is synthesized as shown in the reaction scheme.
ChemInform Abstract: Conversion of closo‐2,4‐C2B5H7 to (nido‐2,4‐C2B4H7)‐.
Authors: ABDOU Z. J. , GOMEZ F. , ABDOU G. , ONAK T.
Published: May 2016

The well‐known use of alkoxide/alcohol mixtures for carborane conversion only leads to decomposition products in the case of (I).
ChemInform Abstract: Metalation‐Induced Migration of Phosphorus from Nitrogen to Carbon.
Authors: JARDINE A. M. , VATHER S. M. , MODRO T. A.
Published: May 2016

The N‐phenylphosphoramidate (I) rearranges to give the phenylphosphonate (II) upon treatment with lithium diisopropylamide.
ChemInform Abstract: Stibonium and Bismuthonium Ylides. A Comparison with Arsonium and Other Ylides, also Including the Crystal Structure of Triphenylarsonium Bis(phenylsulfonyl)methylide and Triphenylarsonium and Triphenylstibonium 4,4‐Dimethyl‐2,6‐dioxocyclohexylides.
Authors: FERGUSON G. , GLIDEWELL C. , GOSNEY I. , LLOYD D. , METCALFE S. , LUMBROSO H.
Published: May 2016

The spectra (IR, electronic, 1H, 13C NMR), dipole moments, and chemistry (stability, hydrolysis, reactivity in Wittig reactions) of the stibonium ylides (I) and the X‐ray structures of (Ia) (R1=R2: SO2Ph) and (Ie) (space group Pbca, Z = 8) are compared with similar properties of their arsonium analogues and the X‐ray structures of (IIa) (P21/c, Z=4) and (III) (P1, Z=2).
ChemInform Abstract: Transition Metal Dienyls in Organic Synthesis: The Preparation of 1,2‐Dimetalated 1,3‐Dienes via “Double Transmetalation”.
Authors: FRYZUK M. D. , STONE C. , ALEX R. F. , CHADHA R. K.
Published: May 2016

The butadienylzirconocene chlorides (I) consecutively react with methyllithium and trimethylphosphine (II) to produce zirconocene alkyne complexes which exist in the forms (III) and (IV).
ChemInform Abstract: Synthesis and Characterization of (Et4N) (M(CO)5SR) and (Et4N)2(M2(CO)8(SR)2) Complexes (M: Cr, Mo, W). Ligand Substitution Reactions and X‐Ray Crystal Structure of (Et4N)2(W2(CO)8(SPh)2).
Authors: DARENSBOURG D. J. , SANCHEZ K. M. , REIBENSPIES J.
Published: May 2016

The monomeric title complexes (IV) are synthesized according to the scheme and characterized by IR, 1H and 13C NMR spectroscopy.
ChemInform Abstract: Copper(II) Complexes of o‐Quinone Monooximes. Part 7. Cyanato Adducts of Bis(4‐chloro‐1,2‐benzoquinone 2‐oximato)copper(II), Cu(Clqo)2.
Authors: BISI CASTELLANI C. , CALLIGARIS M. , CARUGO O.
Published: May 2016

The reaction of the title complex (I) with an excess of KOCN (II) or (NBu4)OCN (IV) results in the formation of the two novel adducts (III) and (V) which are isolated and characterized by vibrational and electronic spectra.
ChemInform Abstract: Oxidative Addition of H2 to the A‐Frame Complex (Ir2(CO)2(μ‐S)(Ph2PCH2PPh2)2): A Reinvestigation.
Authors: VAARTSTRA B. A. , O'BRIEN K. N. , EISENBERG R. , COWIE M.
Published: May 2016

A reinvestigation of the reaction of the title compound (I) with H2 using improved spectroscopic techniques is reported.
ChemInform Abstract: Tetrathiometalate Complexes of Rhodium, Iridium, Palladium, and Platinum. Structures of ((C5Me5)RhCl)2WS4 and ((C3H5)Pd)2WS4.
Authors: HOWARD K. E. , RAUCHFUSS T. B. , WILSON S. R.
Published: May 2016

The tetrathiotungstate‐bridged complexes (III) are obtained by reactions of the corresponding chloride‐bridged dimers such as (I) with the phosphonium tetrathiotungstate (II) as shown in the scheme.
ChemInform Abstract: Trinuclear, Mixed Pt2Pd‐1‐Methyluracil and ‐1‐Methylthymine Blues with +2.33 Average Metal Oxidation State: Preparation, Crystal Structures, and Solution Studies.
Authors: MICKLITZ W. , MUELLER G. + , HUBER B. , RIEDE J. , RASHWAN F. , HEINZE J. , LIPPERT B.
Published: May 2016

The trinuclear mixed Pt(II),Pd(II),Pt(II) complexes (III) are prepared according to the scheme.
ChemInform Abstract: Synthesis, X‐Ray Structural Analysis, and Thermal Decomposition of the Platinum(II) Carboxylic Acid (Hydroxycarbonyl) trans‐Pt(CO2H)(C6H5)(PEt3)2. Formation of a Diplatinum(II) Complex Containing Carbon Dioxide.
Authors: BENNETT M. A. , ROBERTSON G. B. , ROKICKI A. , WICKRAMASINGHE W. A.
Published: May 2016

The reaction of (I) with CO at atmospheric pressure and room temp. yields a metallacarboxylic acid (III), which crystallizes in C2/c with Z = 8. In the solid state (III) is a dimer, associated in a mode similar to that observed in many organic carboxylic acids.
ChemInform Abstract: Synthetic Studies on Nogalamycin Congeners. Part 3. Total Syntheses of (+)‐Nogarene, (+)‐7‐Deoxynogarol, and (+)‐7‐con‐O‐Methylnogarol.
Authors: KAWASAKI M. , MATSUDA F. , TERASHIMA S.
Published: May 2016

The naphthoquinone (I), synthesized as described in the preceding papers, is used as dienophile for the synthesis of some nogalamycin congeners.
ChemInform Abstract: Sol‐Gel Coating of Powders for Processing Electronic Ceramics.
Authors: SELMI F. A. , AMARAKOON V. R. W.
Published: May 2016

A new technique, sol‐gel coating of powders, is used to control microstructure and properties of grain‐boundary‐controlled electronic ceramics such as Sb‐doped SnO2 sensor material and positive temp. coefficient of resistance (PTCR) BaTiO3.
ChemInform Abstract: The IR Spectra of Matrix Isolated Thorium and Uranium Tetrachlorides. Change of Shape with Matrix Gas.
Authors: BEATTIE I. R. , JONES P. J. , MILLINGTON K. R. , WILLSON A. D.
Published: May 2016

The IR spectra obtained in neon matrix show that ThCl4 and UCl4 adopt tetrahedral (Td) symmetry in this matrix.
ChemInform Abstract: Thermoanalytical Investigations About the Reoxidation of Ba2YCu3O6+x.
Authors: TESKE CHR. L. , MUELLER‐BUSCHBAUM HK. +
Published: May 2016

The reorganization of Ba2YCu3O6.0, which is not superconducting and obtained by heating the superconducting phase Ba2YCu3O6.93 up to 950 °C in an Ar atmosphere, is investigated by DTA and TG.
ChemInform Abstract: Phase Equilibria Around the Superconducting Phase in the BaO‐Y2O3‐CuO System.
Authors: OSAMURA K. , ZHANG W. , YAMASHITA T. , OCHIAI S. , PREDEL B.
Published: May 2016

The phase relations surrounding the superconducting Ba2YCu3O6+x phase is metallographically investigated (SEM, EPMA, XRD).
ChemInform Abstract: Aspects of the Interfacial Electrochemistry of Semiconductor Pyrite (FeS2).
Authors: MISHRA K. K. , OSSEO‐ASARE K.
Published: May 2016

The results of cyclic voltammetry, EDX, and AES show that the initial process of the electrochemical oxidation of pyrite in aqueous solution involves the electroadsorption of OH‐ ions which undergo reversible and irreversible electroadsorption/‐desorption.
ChemInform Abstract: Corrosion of Some Metals in Sulfur‐Polysulfide Melts.
Authors: DOBSON J. C. , MCLARNON F. R. , CAIRNS E. J.
Published: May 2016

The search for materials resistant to corrosion by sodium sulfides and sulfur is a major goal of efforts to develop a viable high‐temp.
ChemInform Abstract: Effect of Noble Alloying Elements Ag, Pt, and Au on the Corrosion Behavior of Sintered Stainless Steel in an H2SO4 Environment.
Authors: PELED P. , ITZHAK D.
Published: May 2016

The results of polarization measurements and SEM observation show that Ag additions up to 1 wt.% slightly improve the corrosion resistance of the sintered stainless steel.
ChemInform Abstract: Preparation and Characterization of Large Surface Area BaO·6 Al2O3.
Authors: MACHIDA M. , EGUCHI K. , ARAI H.
Published: May 2016

It is demonstrated that the preparation of the title compound (III) via hydrolysis of the corresponding alkoxides (see scheme) is superior to the synthesis from a BaCO3/Al2O3 powder mixture in terms of the heat resistance of the large surface area of this material.
ChemInform Abstract: Regioselectivity of the Thermal 3‐Phenylcyclopropene‐Indene Isomerization.
Authors: RAZIN V. V. , BARANTSEVA A. R. , GULECHKO V. S.
Published: May 2016

The regioselectivity of the thermally induced isomerization of the cyclopropenes (I) to indenes is investigated in order to evaluate the influence exerted on this rearrangement by aryl or alkyl substituents.
ChemInform Abstract: Photolysis of p‐Nitrobenzoic Acid on Roughened Silver Surfaces.
Authors: SUN S. , BIRKE R. L. , LOMBARDI J. R. , LEUNG K. P. , GENACK A. Z.
Published: May 2016

By comparing the electrochemical reduction of (I) with its photoinduced reduction it is shown that the title reaction represents a new type of reaction, a surface‐induced photochemical reduction necessitating both molecular adsorption on the roughened metal surface and the correct laser excitation energy.
ChemInform Abstract: Catalytic Reduction of Aldehydes and Ketones with 2‐Propanol Over Hydrous Zirconium Oxide.
Authors: SHIBAGAKI M. , TAKAHASHI K. , MATSUSHITA H.
Published: May 2016

Reduction of aldehydes such as (I) or ketones such as (III), (V), (VII) with isopropanol proceeds efficiently by catalysis with hydrous zirconium oxide to give the respective alcohols (II), (IV), (VI), (VIII).
ChemInform Abstract: Reductive Coupling of α,β‐Enones Promoted by Mg and Mg‐MgBr2.
Authors: PONS J.‐M. , SANTELLI M.
Published: May 2016

α,β‐Enones such as (I), (V), or (VII), react with magnesium turnings and magnesium dibromide to form the cyclic reaction products (II) ‐(IV), the dimer (VI), or the compounds (VIII) and (IX).
ChemInform Abstract: Iodosobenzene Tetrafluoroborate: First Example of a Stable Electrophilic Hypervalent Iodine Reagent Without Nucleophilic Ligands.
Authors: ZHDANKIN V. V. , TYKWINSKI R. , CAPLE R. , BERGLUND B. , KOZ'MIN A. S. , ZEFIROV N. S.
Published: May 2016

The iodosobenzene tetrafluoroborate (III) is prepared from iodosobenzene diacetate (I).
ChemInform Abstract: Asymmetric Synthesis of Axially Chiral, Unsymmetrical Diphenic Acids via Intramolecular Ullmann Coupling Reaction.
Authors: MIYANO S. , FUKUSHIMA H. , HANDA S. , ITO H. , HASHIMOTO H.
Published: May 2016

Unsym. diphenic acids such as (VII) can be conveniently prepared by successive esterification of the diol (I) with the components (II) and (III) followed by hydrolysis of the diester obtained, e.g. (VI).
ChemInform Abstract: 1‐Benzyl‐2,6‐dicyanopiperidines as a New Class of Annelating Reagents. Use for Preparation of Fused Polycyclic Compounds.
Authors: TAKAHASHI K. , ASAKAWA M. , OGURA K.
Published: May 2016

2,6‐Dicyano‐N‐benzylpiperidine (I) undergoes twofold alkylation, forming the 2,6‐disubstituted products (IV) which are solvolyzed in the presence of nickel diacetate to yield the diketones (V).
ChemInform Abstract: Preparation of Novel Electron‐Accepting Quinone Methide Imines and Their Polymerizations.
Authors: IWATSUKI S. , ITOH T. , ITOH H.
Published: May 2016

The 7,7‐dicyanoquinone methides (I) react with bis(trimethylsilyl)carbodiimide (II) in the presence of TiCl4 to give the imines (III).
ChemInform Abstract: Recyclization of 4‐Oxo‐1,3‐benzoxazinium Salts to 1‐Phenyl‐5‐(o‐hydroxyphenyl)‐1,2,4‐triazoles.
Authors: RYABUKHIN YU. I. , FALEEVA L. N. , GORBUNOVA M. O. , KOVALEVA T. V. , UFLYAND I. E. , SHEINKER V. N.
Published: May 2016

The reaction between perchlorates of type (I) and phenylhydrazine (II) affords the novel 3‐substituted 1,2,4‐triazoles of type (III), which are produced via attack of (II) on position 2 of the oxazines (I), subsequent ring cleavage and recyclization.
ChemInform Abstract: Efficient Synthesis of Furochromone and Furocoumarin Natural Products (Khellin, Pimpinellin, Isophellopterin) by Thermal Rearrangement of 4‐Furyl‐4‐hydroxycyclobutenones.
Authors: REED M. W. , MOORE H. W.
Published: May 2016

Diethyl squarate (I) is converted to the highly functionalized silylethynylbenzofuran (VI) which is hydroxylated and rearranged to form the ketone (VII).
ChemInform Abstract: Preparation, Reactivity, and Spectral Properties of 1,3‐Dioxin Vinylogous Esters: Versatile β‐Ketovinyl Cation Equivalents.
Authors: SMITH A. B. III , DORSEY B. D. , OHBA M. , LUPO A. T. JUN. , MALAMAS M. S.
Published: May 2016

The enols (I), (V), or (VIII) of cyclic 1,3‐dicarbonyl compounds react with 1,3,5‐trioxane (II) in the presence of boron trifluoride etherate to give the corresponding fused 1,3‐dioxins (III), (VI), and (IX), together with the polycyclic by‐products (IV), (VII), and (X).
ChemInform Abstract: 2‐(2‐Lithioethyl)‐2‐methyl‐1,3‐dithiane: A New Masked Lithium Butanone Homoenolate in the Synthesis of Monoprotected 1,4‐Hydroxyketones and 1,4‐Diketones.
Authors: BARLUENGA J. , FERNANDEZ J. R. , YUS M.
Published: May 2016

Reaction of the dithiane (I) (obtained by addition of HCl to methyl vinyl ketone followed by treatment with propane 1,3‐dithiol‐BF3·Et2O) with Li naphthalenide (V) generates the intermediate title species (III) which reacts in situ with the carbonyl compounds (II) or the nitriles (VI) to give, after hydrolysis, the expected products (IV) or (VII).
ChemInform Abstract: Reaction of Perhydro‐4,8‐diethyl‐4,8‐diaza‐1,5,9,10‐tetraoxaanthracene with Thiophenol.
Authors: LE ROUZIC A. , PATIN H. , L'HARIDON P.
Published: May 2016

The already reported heterocycle (III), whose stereochemistry is revised to be as given in the scheme, acts as a potential glyoxal in aqueous solution.
ChemInform Abstract: Reactions of Unsaturated Compounds with the System 1,3,2,4,5‐Dioxadithiazine 2,2,4,4‐Tetroxide‐Base.
Authors: MICHURIN A. A. , BODRIKOV I. V. , BEL'SKII V. K. , TITOVA O. M. , ZHIVODEROV A. V.
Published: May 2016

On treatment with a base, the tetroxide (I) generates 1,2‐ and/or 1,4‐dipolar fragments, which are trapped by the alkenes (II) or by the alkynes (V) to afford products of (2 + 2) cycloaddition, the 1,2‐thiazetidine 1,1‐dioxides (III) and/or products of (2 + 4) cycloaddition, the 1,4,5‐oxathiazine 4,4‐dioxides (IV) or (VI).
ChemInform Abstract: Synthesis and Study of the Thermal Rearrangement of (CO)4Fe(P(R)(H)(CCR′))Co2(CO)6 Complexes (R: N(iPr)2, NMe2, or Me, R′: Ph; R: N(iPr)2, R′: tBu).
Authors: GALINDO A. , MATHIEU R. , CAMINADE A.‐M. , MAJORAL J.‐P.
Published: May 2016

The reaction of (I) with the phosphines (II) and (IV) (preparations described) gives the complexes (III) or the anion (V), due to the instability of the pure monoiron complex.
ChemInform Abstract: 3‐Hydroxyiminocamphornitrimine (III) and Camphorquinone Dinitrimine (VII), Compounds Previously Described as N‐Nitro‐3‐nitrosocamphorenamine (II) and N‐Nitro‐N,3‐dinitroso‐camphorenamine (VIII). Crystal Structure of Camphorquinone Dinitrimine.
Authors: RANISE A. , BONDAVALLI F. , SCHENONE P. , SANCASSAN F. , MUGNOLI A.
Published: May 2016

Nitrosation of camphornitrimine (Ia) leads to hydroxyimino derivative (III) (prepared as well from isomers (Ib) and (Ic)) and not to tautomer (II).
ChemInform Abstract: Synthesis of CMP‐NeuAc from N‐Acetylglucosamine: Generation of CTP from CMP Using Adenylate Kinase.
Authors: SIMON E. S. , BEDNARSKI M. D. , WHITESIDES G. M.
Published: May 2016

The synthesis of the title compound (isolated as ammonium salt (VI)) is accomplished starting from N‐acetylmannosamine (II) (produced in mole quantities by base‐catalyzed epimerization of N‐acetylglucosamine (I)) which affords N‐acetylneuraminic acid (NeuAc (IV)) in an enzymatically catalyzed reaction with pyruvate (III).
ChemInform Abstract: Prostanoids. Part 24. Cross‐Linking of Vinylstannanes with Allylic Bromides as an Alternative Pathway to the Formation of the ω‐Chain of 16‐Aryloxyprostaglandins.
Authors: MIFTAKHOV M. S. , DANILOVA N. A. , VEL'DER YA. L. , SHITIKOVA O. V. , TOLSTIKOV G. A.
Published: May 2016

Cross‐linking between the vinylstannane (I) and the allylic 4‐bromocyclopent‐2‐en‐1‐ones (II), a reaction catalyzed by Pd compounds, affords the products (III).
ChemInform Abstract: Microbiological Synthesis and Some Properties of (S)‐(‐)‐2‐(4‐Carboxy‐3‐hydroxybutyl)‐2‐cyclopenten‐1‐one.
Authors: FREIMANIS J. F. , MILMAN I. A. , MATYSOVA G. R. , LIEPINS E. E.
Published: May 2016

The title compound (II) is prepared microbiologically starting from the enone (I).
ChemInform Abstract: Ionic Rearrangements and Domain Growth Near Antiferroelectric Transitions: EPR Study of NH4H2AsO4, ND4D2AsO4, NH4H2PO4, and ND4D2PO4.
Authors: DALAL N. S. , REDDOCH A. H.
Published: May 2016

It is shown that CrO43‐ radicals, produced by γ‐irradiation of K2CrO4‐doped samples, can be used as sensitive probes of the antiferroelectric order in NH4H2AsO4, NH4H2PO4, and their deuterated analogs.
ChemInform Abstract: Experimental and Theoretical Investigation of Perfluorosulfonic Acid Membranes Equilibrated with Aqueous Sulfuric Acid Solutions.
Authors: VERBRUGGE M. W. , HILL R. F.
Published: May 2016

A radiotracer technique is developed for the simultaneous, quantitative analysis of all mobile species within a perfluorinated ion‐exchange membrane (Nafion 117), the most promising membrane material available for fuel cells.
ChemInform Abstract: Onium Ions. Part 37. Hydrogen‐Deuterium Exchange of Diborane in Superacid Solution Through Diboranonium (B2H+ 7) and Diboranium (B2H+ 5) Ions.
Authors: OLAH G. A. , ANISZFELD R. , PRAKASH G. K. S. , WILLIAMS R. E. , LAMMERTSMA K. , GUENER O. F. +
Published: May 2016

11B and 2H NMR and FTIR spectroscopic results obtained for B2H6 in FSO3D·SbF5/SO2ClF medium at ‐78 °C confirm the slow proton/deuterium exchange of B2H6 in this solution.
ChemInform Abstract: Photochemistry of Azide Complexes of Gold, Silver, Platinum, and Palladium. Generation of the Metallic State.
Authors: VOGLER A. , QUETT C. , KUNKELY H.
Published: May 2016

Photoreduction studies in organic solvents as MeCN, DMF, and THF show that ligand to metal charge transfer excitation of the azide complexes (Au(N3)2)‐, (Ag(PPh3)2N3), (Pt(N3)4)2‐, (Pd(N3)4)2‐, and (Pd2(N3)6)2‐, with the metals in lower oxidation states, causes oxidation of the azide ligands and reduction of the metal ions to the metallic state.
ChemInform Abstract: Generation of Sodium and Copper Atoms in the Gas Phase by Microwave‐Induced Plasma Afterglows.
Authors: VINCKIER C. , DUMOULIN A. , CORTHOUTS J. , DE JAEGERE S.
Published: May 2016

A fast‐flow reactor technique is described in detail that offers an alternative source of metal atoms in the gas phase by plasma afterglow atomization.
ChemInform Abstract: Photosensitized Reduction of Methylviologen Through the Energy Transfer from Triplet Dyes to 9‐Anthracenecarboxylate Anion.
Authors: USUI Y. , SASAKI Y. , ISHII Y. , TOKUMARU K.
Published: May 2016

The reaction mechanism for photosensitized reduction of methylviologen, MV2+, through the triplet‐triplet energy transfer from organic dyes such as fluorescein, erythrosine, or acriflavine to 9‐anthracenecarboxylate in the presence of triethanolamine is studied.
ChemInform Abstract: Oxygenation of 1‐tert.‐Butylcyclohexa‐1,3‐diene and Cholesta‐2,4‐diene in the Presence of Trityl Tetrafluoroborate.
Authors: ARAIN M. F. , HAYNES R. K. , VONWILLER S. C. , HAMBLEY T. W.
Published: May 2016

Photooxygenation of the new diene (II) with 3O2 yields the thermally stable epidioxides (III) and (IV); much smaller amounts (1‐2%) of four other epidioxides are also formed.
ChemInform Abstract: Selectivity Control by Axial Ligand Modification in Manganese Porphyrin Catalyzed Oxidations.
Authors: NAPPA M. J. , MCKINNEY R. J.
Published: May 2016

The addition of the tin Lewis acids Ph3Sn‐O‐CO‐C7F15 and Ph3Sn‐O‐SO2‐C6F13 in hydrocarbon oxidation reactions using iodosylbenzene and the Mn porphyrin complex (Ia) increases the reactivity and reduces the radical character by converting (Ia) into (Ib) and (Ic).
ChemInform Abstract: Selective Deoxygenation of Unsaturated Carbohydrates with Pd(0)/ Ph2SiH2/ZnCl2. Total Synthesis of (+)‐(S,S)‐(6‐Methyltetrahydropyran‐2‐yl)acetic Acid.
Authors: GREENSPOON N. , KEINAN E.
Published: May 2016

The glycals (I) and (IIIa) are reduced with diphenylsilane in the presence of zinc chloride and a Pd(0) catalyst, yielding the deacetoxylated derivatives (II) or (IV).
ChemInform Abstract: Meerwein‐Ponndorf‐Verley‐Type Reduction of Dicarbonyl Compounds to Hydroxy Carbonyl Compounds and α,β‐Unsaturated Carbonyl Compounds to Allylic Alcohols Catalyzed by Zirconocene and Hafnocene Complexes.
Authors: NAKANO T. , UMANO S. , KINO Y. , ISHII Y. , OGAWA M.
Published: May 2016

Several dicarbonyl compounds, e.g. the α‐keto aldehydes (I), the dialdehydes (III), and the diones (V), are treated with 2‐propanol and catalytic amounts of zirconocene or hafnocene dihydride, performing a Meerwein‐Ponndorf‐Verley‐type reduction to give selectively oxo alcohols such as (II), (IV), or (VI).
ChemInform Abstract: Photochlorination of n‐Alkanes Adsorbed on Pentasil Zeolites.
Authors: TURRO N. J. , FEHLNER J. R. , HESSLER D. P. , WELSH K. M. , RUDERMAN W. , FIRNBERG D. , BRAUN A. M.
Published: May 2016

Alkanes such as (I) and substituted alkanes are fixed on a zeolite by treating it with a pentane solution of the substrate and subsequent evaporation.
ChemInform Abstract: A Highly Versatile Synthesis of 2,2‐Dimethyl‐3‐(2,2‐dichlorovinyl)cyclopropane‐1‐carboxylic Acid Esters.
Authors: BEVINAKATTI H. S. , NEWADKAR R. V. , BORUDE D. P. , MANDAL A. K.
Published: May 2016

Isophorone (I) is oxidatively cleaved and rearranged, forming the acetyl‐γ‐lactone (II), together with the δ‐oxo acid (III).
ChemInform Abstract: Intramolecular (2 + 2) Photocycloaddition. Part 3. Synthesis of 1,2‐Ethano(2.n)metacyclophanes from Styrene Derivatives.
Authors: NISHIMURA J. , OHBAYASHI A. , DOI H. , NISHIMURA K. , OKU A.
Published: May 2016

Photolysis of the bis(m‐vinylphenyl)alkanes (I) yields the cis‐ and trans‐cyclophanes (II) and (III).
ChemInform Abstract: Intramolecular (2 + 2) Photocycloaddition. Part 4. Synthesis of (4.n)Cyclophanes by (2 + 2) Photocycloaddition and Birch Reduction. A Rare Fragmentation of Tetramethylene Radical Anion.
Authors: NISHIMURA J. , OHBAYASHI A. , UEDA E. , OKU A.
Published: May 2016

Birch reduction of the ethanocyclophanes (I) yields the (4.n)cyclophanes (II).
ChemInform Abstract: Reagents and Synthetic Methods. Part 67. Preparation of 4‐Unsubstituted β‐Lactams from 4‐Acetoxyazetidin‐2‐ones. A Formal Approach to Monobactams and Nocardicins.
Authors: ARRIETA A. , LECEA B. , COSSIO F. P. , PALOMO C.
Published: May 2016

Coupling of the acetic acids (I) with the α,β‐unsaturated imines (II) in the presence of phenyl dichlorophosphate and triethylamine, yields the β‐lactams (III) which are subjected to ozonolysis, producing the cis‐substituted acetyl derivatives (IV).
ChemInform Abstract: Octahydroquinoline Synthesis via Iminium Ion Based Diels‐Alder Chemistry: Synthesis of (‐)‐8a‐Epipumiliotoxin C.
Authors: GRIECO P. A. , PARKER D. T.
Published: May 2016

The key step in the synthesis of the title compound (VI) consists in the intramolecular Diels‐Alder reaction of the iminium salt (III), generated from the aldehyde (I) and ammonium chloride (II), producing the diastereomeric octahydroquinolines (IV) and (V).
ChemInform Abstract: Synthesis and Some Reactions of 2‐(3‐Aminopropionyl)‐1,3‐indandiones.
Authors: HAMMOUDA M. , HAMAMA W. S. , KANDEEL E. M. , AFSAH E. M.
Published: May 2016

The Mannich bases (IV) are prepared by reaction of the secondary amines (III) with the triketone (I) and formaldehyde (II).
ChemInform Abstract: Analogous Behavior Between Silicates and Phosphates in Methanolysis Reaction.
Authors: CORRIU R. , BOYER J. , PERZ R.
Published: May 2016

The methanolysis of the compounds (I) is a two‐step process.
ChemInform Abstract: Ring‐Halogenated Carbonyl(η5‐cyclopentadienyl)vanadium Complexes.
Authors: PRIEBSCH W. , HOCH M. , REHDER D.
Published: May 2016

The half‐sandwich complex (IIIb) is characterized by an X‐ray structure analysis ( P21/n, Z=4).
ChemInform Abstract: Synthesis and Characterization of a New Type of Heteropolyanion: Pentamolybdobis(n‐propylarsonate), Having Two Types of Crystals Under the Same pH Conditions in the Same Solution.
Authors: LIU B. , KU Y. , WANG M. , ZHENG P.
Published: May 2016

The reaction outlined in the scheme gives two different types of crystals, (III) and (IV), which can be easily separated mechanically.
ChemInform Abstract: Catecholate Complexes of High‐Oxidation‐State Metal Ions. Synthesis and Characterization of Dimeric Hexakis(tetrachlorocatecholato)ditungsten(VI).
Authors: DELEARIE L. A. , PIERPONT C. G.
Published: May 2016

The thermal reaction between W(CO)6 (I) and the benzoquinone (II) results in the formation of the dimeric title complex (III) as its toluene trisolvate.
ChemInform Abstract: Determination of Magnetic and Structural Properties in Solids Containing Antiferromagnetically Coupled Metal Centers Using NMR Methods. Magneto‐Structural Correlations in Anhydrous Copper(II) n‐Butyrate
Authors: CAMPBELL G. C. , HAW J. F.
Published: May 2016

(Cu2(Pr‐COO)4; space group P1 with Z=1; variable‐temp.
ChemInform Abstract: Complexes of Ruthenium(III) and ‐(II) with Dimethylsulfoxide. Part 2. (RuBr3(Me2SO)3) and (RuBr2(Me2SO)3): Versatile Starting Materials for the Syntheses of Ruthenium Bromo Complexes.
Authors: SARMA U. C. , PODDAR R. K.
Published: May 2016

The title complexes (I) and (II) are prepared by reaction of hydrated RuCl3 either with conc.
ChemInform Abstract: Ligand Substitution Studies of Aquo(phosphine)ruthenium(II) Complexes.
Authors: LEISING R. A. , OHMAN J. S. , TAKEUCHI K. J.
Published: May 2016

For the systematic kinetic study of ligand substitution in the title complexes in o‐dichlorobenzene, a number of complexes such as (I) with various tertiary phosphine ligands are prepared from the corresponding chloro complexes by reaction with AgClO4 (32‐75% yield).
ChemInform Abstract: Superoxide Complexes of Tetrakis(μ‐2‐anilinopyridinato)dirhodium(II,II) and ‐dirhodium(II,III): The One‐Electron Catalytic Reduction of Dioxygen.
Authors: BEAR J. L. , YAO C.‐L. , CAPDEVIELLE F. J. , KADISH K. M.
Published: May 2016

The title complex (I), one of four possible geometric isomers, is investigated with respect to its electrochemical and oxygen binding properties.
ChemInform Abstract: Crotaleschenine, an Alkaloid of Crotalaria leschenaultii.
Authors: SMITH L. W. , EDGAR J. A. , WILLING R. I. , GABLE R. W. , MACKAY M. F. , SURI O. P. , ATAL C. K. , CULVENOR C. C. J.
Published: May 2016

An alkaloid which was previously isolated from Crotalaria crispata and reported as crispatine despite data differing from that for the original crispatine (I) is reexamined.
ChemInform Abstract: Syntheses of the Spermidine Alkaloids (.+‐.)‐Inandenin‐10‐ol, Inandenin‐10‐one, and (.+‐.)‐Oncinotine.
Authors: BIENZ S. , GUGGISBERG A. , WAELCHLI R. + , HESSE M.
Published: May 2016

The title compounds (±)‐inandenin‐10‐ol (V), inandenin‐10‐one (VI) and (±)‐oncinotine (VII) are prepared via the common intermediate (IV).
ChemInform Abstract: 8‐Aza‐7‐deazaadenine N8‐ and N9‐(β‐D‐2′‐Deoxyribofuranosides): Building Blocks for Automated DNA Synthesis and Properties of Oligodeoxyribonucleotides.
Authors: SEELA F. , KAISER K.
Published: May 2016

Benzoylation of the 7‐deaza‐8‐aza analogue (I) of adenosine followed by dimethoxytritylation and appropriate phosphitylation yield the phosphoramidites (II); similarly, the analogue (III) is prepared.
ChemInform Abstract: An Electron Diffraction Study of Alkali Fluoride Vapors
Authors: HARTLEY J. G. , FINK M.
Published: May 2016

(NaF, KF, RbF, CsF) with nozzle temp. ranging from 798 to 1123 K. In all cases the monomer bond distances and the dimer mole fractions are in excellent agreement with previous experimental results.
ChemInform Abstract: Resonant Two‐Photon Ionization Spectroscopy of Jet‐Cooled Pt2
Authors: TAYLOR S. , LEMIRE G. W. , HAMRICK Y. M. , FU Z. , MORSE M. D.
Published: May 2016

is performed in combination with time‐of‐flight mass spectrometry.
ChemInform Abstract: Catalytic Effect of Sulfur Dioxide on the Electrode Kinetics of the Triiodide/Iodide Couple.
Authors: KOVAL C. A. , DREW S. M.
Published: May 2016

It is found that the catalytic effect of SO2 on the reduction of I3‐ is quite substantial.
ChemInform Abstract: Acidic Properties of Molybdenum Oxide Highly Dispersed on Titania.
Authors: MIYATA H. , MUKAI T. , ONO T. , KUBOKAWA Y.
Published: May 2016

From IR spectroscopic studies of the adsorption of ammonia and pyridine on Mo‐Ti oxide (2.0 and 5.0 wt.%) it is concluded that the supported catalyst exhibits both Bronsted and Lewis‐acidic sites.
ChemInform Abstract: Pulsed Laser Photolysis Kinetics Study of the O(3P) + ClO Reaction
Authors: NICOVICH J. M. , WINE P. H. , RAVISHANKARA A. R.
Published: May 2016

is performed due to the importance of this reaction in stratospheric chemistry.
ChemInform Abstract: (V19O41(OH)9)8‐, an Ellipsoidal Species of the Unusual Family of V(IV)/V(V)‐Oxygen‐Cluster.
Authors: MUELLER A. + , PENK M. , KRICKEMEYER E. , BOEGGE H. + , WALBERG H.‐J.
Published: May 2016

The compound (II) containing the title anion is prepared as shown in the scheme and characterized by single crystal XRD (space group P1, Z=2).
ChemInform Abstract: Substituent Effects in Anthrasemiquinones
Authors: PEDERSEN J. A.
Published: May 2016

((I) and (II); ESR; correlation of splitting constants vs.
ChemInform Abstract: Empirical Potential Energy Surfaces Relating Structure and Activation Energy. Part 2. Determination of Transition‐State Structure for the Spontaneous Hydrolysis of Axial Tetrahydropyranyl Acetals.
Authors: BUERGI H.‐B. + , DUBLER‐STEUDLE K. C.
Published: May 2016

Experimental ground‐state structural data and valence force constants are combined with activation energy estimates to obtain energy surfaces describing bond‐breaking reactions.
ChemInform Abstract: Free Standing Polydiacetylene Films Cast from Bilayer Membranes.
Authors: KUO T. , O'BRIEN D. F.
Published: May 2016

Bilayer membrane vesicles of (V) are prepared from a thin film of (V), which is hydrated and subsequently sonicated (30 s, room temp.).
ChemInform Abstract: Intermediates and Products of Ethanol Oxidation on Platinum in Acid Solution.
Authors: BITTINS‐CATTANEO B. , WILHELM S. , CATTANEO E. , BUSCHMANN H. W. , VIELSTICH W.
Published: May 2016

In order to clarify contradictions in previous results, the adsorbate formed in the title reaction is studied applying an additional method, electrochemical thermal desorption MS (description of the apparatus).
ChemInform Abstract: Synthesis of Some Novel 7‐Substituted Quinolonecarboxylic Acids via Nitroso and Nitrone Cycloadditions.
Authors: ZIEGLER C. B. JUN. , BITHA P. , LIN Y.
Published: May 2016

The novel compounds (VI), (IX), and (XII) are synthesized via nitroso and nitrone intermediates by cycloaddition reactions as outlined in the reaction scheme.
ChemInform Abstract: Selective Photochemical Dehydrogenation of Saturated Hydrocarbons with Quantum Yields Appoaching Unity.
Authors: RENNEKE R. F. , HILL C. L.
Published: May 2016

The homogeneous system (Bu4N)4(W10O32)/strong acid/MeCN/alkane is the first polymetallate system which makes possible a photo‐redox chemistry (transformation of light into chemical energy) with high quantum yields.
ChemInform Abstract: Direct Observational Studies of a Singlet Alkylcarbene: Methylmethoxycarbene, a Remarkably Selective Nucleophile.
Authors: SHERIDAN R. S. , MOSS R. A. , WILK B. K. , SHEN S. , WLOSTOWSKI M. , KESSELMAYER M. A. , SUBRAMANIAN R. , KMIECIK‐LAWRYNOWICZ G. , KROGH‐JESPERSEN K.
Published: May 2016

Irradiation of the diazirine (I) in N2 matrix at 312 nm generates the title carbene which exists in both trans (II) and cis configuration; trans‐(II) is calculated to be 8.6 kcal/mol more stable than the cis‐carbene.
ChemInform Abstract: Aromatic Sulfonation. Part 105. Sulfonation and Sulfuration on Reaction of 1,4‐Dihydroxybenzene (I) and Its Methyl Ethers in Concentrated Sulfuric Acid.
Authors: CERFONTAIN H. , KOEBERG‐TELDER A.
Published: May 2016

The reactions (not given for 1,4‐dimethoxybenzene in the scheme) are studied in 68‐105% H2SO4.
ChemInform Abstract: Methylation of 1‐Aryl‐3‐phenyl‐5‐(2‐benzothiazolyl)formazans.
Authors: OL'KHOVIKOVA N. B. , RUSINOVA L. I. , SHMELEV L. V. , LIPUNOVA G. N. , KLYUEV N. A. , EL'TSOV A. V.
Published: May 2016

Reaction of the formazans (Ia) ‐ (Ic) with methyl iodide (II) gives mixtures of the methyl derivatives (IIIa) ‐ (IIIc), (IVa) ‐ (IVc), and (Va) ‐ (Vc).
ChemInform Abstract: Reactions of 11C Recoil Atoms with Benzene. Part 1. Formation of 11C Labeled Benzaldehyde.
Authors: KUIPERS P. , VAN HALTEREN B. W. , LEURS G. A. J. , LINDNER L. , BRINKMAN G. A.
Published: May 2016

Reactions of 11C recoil atoms with C6H6 in the presence of O2 lead to the formation of high yields of labeled Ph‐CHO in the gaseous (6%) and liquid (8‐10%) phase, whereas none is detected in the solid phase.
ChemInform Abstract: Perfluoroenolate Chemistry: Facile Generation and Unique Reactivities of Metal F‐1‐Propen‐2‐olates.
Authors: QIAN C.‐P. , NAKAI T.
Published: May 2016

The lithium pentafluoropropenolate (III) is treated with the electrophiles (IV) to form the enol ethers or esters (V).
ChemInform Abstract: One‐Pot Synthesis of 5‐Substituted 3‐Chloroisoxazoles by 1,3‐Dipolar Cycloaddition.
Authors: CHIARINO D. , NAPOLETANO M. , SALA A.
Published: May 2016

Glyoxylic acid (I) is converted to the oxime (III) and then treated with chlorine to give the intermediate dichlorooxime (IV).
ChemInform Abstract: A Structural Study of Tryller′s, (II), and Schmitz′s, (V), Compounds and Related Substances.
Authors: FRUTTERO R. , FERRAROTTI B. , GASCO A. , CALESTANI G. , RIZZOLI C.
Published: May 2016

Reaction of the chloroglyoxime (I) with Na2CO3 according to Vianello (1932) leads to the (E,E)‐furoxan dioxime (II) (Tryller's compound) obtained originally by the action of HO‐NH2 on the oil afforded by heating acetylmethylnitrolic acid (Behrend and Tryller, 1894).
ChemInform Abstract: Chemical Reactivity of the Three‐Sulfur Ring in Norbornanetrithiolanes. The S3 Transfer Reaction.
Authors: GHOSH T. , BARTLETT P. D.
Published: May 2016

MCPBA oxidation or ozonation of the norbornanetrithiolanes (I) leads to isomeric mixtures of the endo‐ and exo‐trithiolane oxides (II)‐(V).
ChemInform Abstract: Crystalline Heterocyclic Radical Cation Salts as Stable Intermediates of New Redox‐Mediating Systems.
Authors: SCHULZ A. , KAIM W. , HAUSEN H.‐D.
Published: May 2016

(I), (IIa), and (IIb) can be isolated as tetraphenyl borates.
ChemInform Abstract: Novel Synthesis of Dianthalexin (Phytoalexin) Analogues.
Authors: HAUTEVILLE M. , PONCHET M. , RICCI P. , FAVRE‐BONVIN J.
Published: May 2016

The syntheses of two phytoalexins, the heterocyclic dianthalexin (IV), and the open‐chained dianthramide A (V), are described as outlined in the reaction scheme.
ChemInform Abstract: Synthesis and Bacterial DNA Gyrase Inhibitory Properties of a Spirocyclopropylquinolone Derivative.
Authors: WENTLAND M. P. , PERNI R. B. , DORFF P. H. , RAKE J. B.
Published: May 2016

Coupling of the enol ether (III), prepared by treatment of the β‐keto ester (I) with triethyl orthoformate (II), with the amino alcohol (IV) results in the formation of the cyclopropylaminomethylene compound (V) as a mixture of E‐ and Z‐isomers.
ChemInform Abstract: ESR Studies of the Reactions of Aluminum Atoms with Some Alkenes in a Rotating Cryostat.
Authors: HOWARD J. A. , JOLY H. A. , MILE B. , HISTED M. , MORRIS H.
Published: May 2016

The title reaction is studied for propylene and some of its deuterated isotopomers and butenes in adamantane at 77 up to 153 K. The formation of π‐allyl Al hydrides such as (I), of aluminacyclopentanes such as (II), and of some Al‐monoalkene complexes is observed (mechanism).
ChemInform Abstract: Synthesis and Structure of (cyclo‐C3H4‐SO2Ph)2Ti(OCH(CH3)2)2, a C‐Titanated “α‐Sulfonylcarbanion”.
Authors: GAIS H.‐J. , VOLLHARDT J. , LINDNER H. J. , PAULUS H.
Published: May 2016

The title complex (III) is stable at 20 °C, water and oxygen being excluded.
ChemInform Abstract: C‐H Bond Activation in Cp2Zr(III)CH2PPh2: Evidence for an Unexpected Mechanistic Pathway.
Authors: BLANDY C. , LOCKE S. A. , YOUNG S. J. , SCHORE N. E.
Published: May 2016

A mechanism for the Cp C‐H bond activation in Cp2ZrCH2PPh2 is suggested on the basis of the formation of the intermediate (I) on the reduction of Cp2ZrCl(CH2PPh2) in THF and its NMR spectroscopic and chemical characterization.
ChemInform Abstract: A New Model for the Oxygen‐Evolving Complex in Photosynthesis. A Trinuclear μ3‐Oxo‐Manganese(III) Complex Which Contains a μ‐Peroxo Group.
Authors: BHULA R. , GAINSFORD G. J. , WEATHERBURN D. C.
Published: May 2016

The reaction of Mn(II) acetate with diethylenetriamine in MeOH at reflux temp. in air followed by addition of K iodide gives the title complex (I) crystallizing in P21mn with Z=2.
ChemInform Abstract: Linear Twofold Coordination of Arsenic in (Cp′(CO)2Mn=As=Mn(CO)2Cp′)+.
Authors: STRUBE A. , HUTTNER G. , ZSOLNAI L.
Published: May 2016

The water‐sensitive title complex (IIa) is obtained according to the scheme and characterized by IR, 1H NMR, and UV spectral data.
ChemInform Abstract: Multiple Bonds Between Main Group Elements and Transition Metals. Part 56. Acid‐Catalyzed Alkyne/Alkene Coupling at Re(III) Centers.
Authors: HERRMANN W. A. , FISCHER R. A. , HERDTWECK E.
Published: May 2016

The alkyne complex (III) is a useful intermediate for organo‐Re complexes and can be obtained from the tetrachloride (I) as shown.
ChemInform Abstract: Synthesis of 5,10,15,20‐Tetrakisphenylporphins on a Carbon Support for the Cathodic Reduction of Oxygen in Fuel Cells.
Authors: KIRSCHENMANN M. , WOEHRLE D. + , VIELSTICH W.
Published: May 2016

Adsorbed porphins (I) are also formed by the reaction of the metal‐free porphins with preadsorbed FeCl2 in DMF in addition to the direct adsorption of (I) from Me2CO.
ChemInform Abstract: Preparation of N‐Tritylamino Acids from N‐Trimethylsilylamino Acid Trimethylsilyl Esters.
Authors: MAMOS P. , SANIDA C. , BARLOS K.
Published: May 2016

Persilylated amino acids such as (I), (IV), or (VI) are used to prepare tritylamino acids such as (II), (V), (VII) by cleavage of the Si‐N bond with trityl chloride (III).
ChemInform Abstract: Oxime Ethers as Potential Juvenoids.
Authors: WIMMER Z. , SAMAN D. , SMOLIKOVA J. , ROMANUK M.
Published: May 2016

The title compounds (I) are prepared starting from 2‐(4‐(2‐bromoethoxy)benzyl)‐1‐cyclohexanone and propanal oxime or 2‐pyridinecarbaldehyde oxime; the syn‐ and anti‐isomers (Ia)‐(Ic) and (Id)‐(If) are chromatographically separable (no yields or isomer ratios given).
ChemInform Abstract: NMR of 129Xe Trapped in Clathrates and Some Other Solids.
Authors: RIPMEESTER J. A. , RATCLIFFE C. I. , TSE J. S.
Published: May 2016

129Xe NMR chemical shifts, obtained for Xe trapped in the cages of clathrate hydrates and a clathrasil sample, together with shift data for solid Xe correlate linearly with the mean free radius of the cage.
ChemInform Abstract: 29Si NMR Studies of Aqueous Silicate Solutions. Part 2. Transverse 29Si Relaxation and the Kinetics and Mechanism of Silicate Polymerization.
Authors: KINRADE S. D. , SWADDLE T. W.
Published: May 2016

A detailed study of 29 Si line broadening in solutions of SiO2 in aqueous MOH (M: Na, K, Rb) with M+:Si(IV) = 1:1 (in which each Si carries one ‐O‐ group) as a function of temp. (up to 144 °C) demonstrates that this line broadening is the result of Si‐Si chemical exchange, if contaminants are absent.
ChemInform Abstract: Crystal Structure of AgPb4O4Cl, a Curious Variant of the Tetragonal Structure Type of PbO.
Authors: RIEBE H.‐J. , KELLER H.‐L.
Published: May 2016

Single crystal of the title compound are prepared by annealing a 1:4 AgCl/PbO mixture in an evacuated quartz ampoule (540 °C, 14 d).
ChemInform Abstract: Crystal Chemical Study of Triple Monophosphates, M(I)2M(III)M(IV)(PO4)3 (M(I): Na, K; M(III): Cr, Fe, Ga, Rh; M(IV): Ti, Sn, Zr, Hf).
Authors: PERRET R.
Published: May 2016

All the 16 sodium phosphates crystallize in the rhombohedral space group R3c, Z=2; the structure is derived from NaZr2(PO4)3.
ChemInform Abstract: Structure and Magnetic Properties of Cobalt‐Rich Pr‐Co‐B Alloys.
Authors: CHUANG Y. C. , WU C. H. , CHANG T. D. , WANG F. H. , DE BOER F. R.
Published: May 2016

The lattice constants of six Pr‐Co‐B ternary compounds are determined: Pr2Co14B (space group P42/mnm), PrCo4B(P6/mmm), Pr3Co11B4(P6/mmm), Pr2Co7B3(P6/mmm), PrCo12B6(R3m), PrCo4B4(P42/n).
ChemInform Abstract: Thermal Diffusion of Uranium, Plutonium, Curium in Tantalum
Authors: LEGOUX Y. , MERINI J.
Published: May 2016

in studied using α‐emitting nuclides implanted in Ta metal by nuclear recoil.
ChemInform Abstract: The FeBr2‐Br2‐H2O‐HBr System. Iron(III) Bromide Hydrate in the Vapor Phase.
Authors: GREGORY N. W.
Published: May 2016

The UV‐VIS absorption vapor spectra of FeBr2‐Br2‐HBr‐H2O mixtures between 400 and 700 K show absorbances in the wavelength range 300‐480 nm which are indicative of substantial concentrations of a hydrate in the vapor phase in addition to Fe2Br6(g) and FeBr3(g).
ChemInform Abstract: Electrocatalysis of S2O2‐ 8 Ion Reduction. The Effect of Underpotential Deposition on the Kinetics of the Cathodic Process on Platinum.
Authors: KOKKINIDIS G. , ZATKAS D. G. , SAZOU D.
Published: May 2016

From a detailed study of S2O82‐ reduction on Pt and Pt/M(upd) electrodes (M: Pb, Tl, Bi) in aqueous acid, neutral and alkaline solutions it is concluded that the electrocatalytic activity of the Pt electrode for the reduction of persulfate is improved significantly by the upd adlayers.
ChemInform Abstract: Effects of Oxygen on the Hydrogenation Properties of MmNi4.15Fe0.85 Upon Pressure Cycling
Authors: KIM Y.‐G. , LEE J.‐Y.
Published: May 2016

(Mm: misch metal; 40% Ce, 28% La, 14% Nd, 4% Pr, 7% other rare earth metals, 5% Fe, 2% Al+Ca+Mg).
ChemInform Abstract: Oxide Catalysts. Part 46. Synthetic Boroaluminosilicates with Pentasil Structure (SABO): Structural, Surface Chemical, and Catalytical Properties.
Authors: UNGER B. , RESCHETILOWSKI W. , WENDLANDT K.‐P. , FREUDE D. , KRAAK P. , BREMER H.
Published: May 2016

A remarkable modification of ZSM‐5 zeolites is achieved by isomorphous substitution of boron for Si and/or Al.
ChemInform Abstract: Asymmetric Syntheses. Part 6. Asymmetric Aldol Reaction of D‐Camphorimine Derived from Benzylamine.
Authors: JIANG Y. , LUI G. , DENG J.
Published: May 2016

The camphorimine (D)‐(I) is lithiated and then treated with the carbonyl compounds (II) in the presence of HMPA, producing the optically active α‐phenyl‐β‐hydroxyalkylimines (III).
ChemInform Abstract: Ring Opening of 3(2H)‐Pyrazolones by Oxidation with Periodate.
Authors: WEBER H. , WOLLENBERG E.
Published: May 2016

Oxidative cleavage of the pyrazolones (I), (III), (V), or (VI) with sodium periodate yields the tricarbonyl compounds (II), (IV), or (VII).
ChemInform Abstract: Palladium‐Catalyzed Tandem Cyclization‐Anion Capture Processes. Hydride Ion Capture by Alkyl and π‐Allylpalladium Species.
Authors: BURNS B. , GRIGG R. , RATANANUKUL P. , SRIDHARAN V. , STEVENSON P. , WORAKUN T.
Published: May 2016

The N‐vinyl‐2‐iodobenzamides (I), (VII), and (IX) undergo ring closure in the presence of palladium diacetate, yielding the isoindolone derivatives (II), (VIII), and (X) as the main products.
ChemInform Abstract: Photoreactions of Quinonoid Compounds with Alkynes and Cyclic Olefins.
Authors: KIM S. S. , YOO D. Y. , CHO I. H.
Published: May 2016

Reaction of various quinones such as (III) with the acetylene (II) or the cyclic ene (IV) yields the adducts (I) or (V).
ChemInform Abstract: Syntheses of 2‐Nitro‐3,6‐diethoxy‐bromobenzene and 2‐Nitro‐3,6‐diethoxy‐morpholinobenzene.
Authors: MUSTROPH H. , HAESSNER R.
Published: May 2016

Bromination of (I) according to the literature (no details given) leads to a separable mixture of (II) and (III); (II) is synthesized independently from (IV) (Sandmeyer reaction; no details given).
ChemInform Abstract: Synthesis and Reactivities of Novel η2‐(C,O) Methylphenylketene Complex of Nickel.
Authors: SUGAI R. , MIYASHITA A. , NOHIRA H.
Published: May 2016

Methylphenylketene (II) reacts with the Ni complex (I) and triphenylphosphine (III), forming the novel complex (IV) mentioned in the title.
ChemInform Abstract: Organophosphorus Compounds. Part 9. The Reaction of Ylid‐Phosphoranes with Nitrosonaphthols.
Authors: MAHRAN M. R. , ABDOU W. M. , GANOUB N. A. F.
Published: May 2016

α‐Nitro‐β‐naphthol (I) reacts with the phosphorus ylides (II), forming the imines (III).
ChemInform Abstract: Synthesis of Aryl‐ and Hetarylpyrazoles.
Authors: TIMARI G. , HAJOS GY. , MESSMER A. , GELLERI A.
Published: May 2016

The hetaryldieneamine (I) reacts with tosyl azide (II) to give the hetarylpyrazole (III).
ChemInform Abstract: Novel Synthesis of Thiazolidines.
Authors: THYAGARAJAN B. S. , SIMON J. A.
Published: May 2016

Nucleophilic addition of the thiourea (II) to the triple bond of the bis(arylsulfonyl)‐2‐butyne (I) yields the thiazolidine (III) or ‐ in the presence of water ‐ a mixture of (III) and the methylenethiazolidine (IV).
ChemInform Abstract: Activated Nitriles in Heterocyclic Synthesis. Part 4. Reactions with 1‐Ethoxycarbonyl‐4‐cyanoacetylthiosemicarbazide. Synthesis of Functionalized Pyridinone and 1,3,4‐Thiadiazole Derivatives.
Authors: RAMIZ M. M. M. , ELGANDOUR A. H. H. , ELAGAMEY A. G. A.
Published: May 2016

The reaction of the thiosemicarbazide (I) with the dinitriles (II) gives the pyridones (III) whereas the reaction of (I) with the dinitriles (IV) produces the thiadiazoles (VI) via the intermediates (V).