bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Conditions of Preparation and Physico‐Chemical Characteristics of the Double Dihydrophosphates of Magnesium and Cobalt.
Authors: ANTRAPTSEVA N. M. , PONOMAREVA I. G. , SHCHEGROV L. N. , SEGEDA M. N.
Published: May 2016

Reactions between mixtures of magnesium and cobalt hydroxocarbonates and monophosphoric acid at 25 °C afford the novel title compounds Mg1‐xCox(H2PO4)2·2 H2O; 0 < x < 1. They are shown to be members of a continuous series of solid solutions crystallizing in the monoclinic space group P21/n. A correlation is found between the parameters of the unit cell, the density, the refraction indices and the compositions of the polycrystalline title compounds.
ChemInform Abstract: Photochemistry of Matrix‐Isolated Di‐tert.‐butyldiazidosilane. Observation of Di‐tert.‐butylsilylene and N,N′‐Di‐tert.‐butylsilanediimine.
Authors: WELSH K. M. , MICHL J. , WEST R.
Published: May 2016

The major product from 254 nm irradiation of the matrix‐isolated title compound (I) is di‐tert.‐butylsilylene (III), a highly ground‐state singlet species with λmax 480 nm, which undergoes a subsequent photochemical C‐H insertion to give the stable silacyclopropane (IV).
ChemInform Abstract: Tricyclo(3.1.0.02,6)hexanedione (VI) (the Valene of o‐Benzoquinone), Bicyclo(2.1.1)hexane‐2,3‐dione (Va), and Valenes (VIII) of a Quinoxaline, of Phenazine, and of a Benzophenazine.
Authors: CHRISTL M. , KRAFT A.
Published: May 2016

From cyclopentadiene the cis diol (IV) is now obtained in 4 steps (total yield 10%) and accordingly (Va) in 5 steps (total yield 5%).
ChemInform Abstract: Acylamidation of Acetylenes.
Authors: GRIDNEV I. D. , BALENKOVA E. S.
Published: May 2016

The reaction between the alkynes (I), the nitriles (II) and acetyl tetrafluoroborate (III) proceeds regio‐ and stereospecifically by way of a syn‐addition according to Markovnikov to afford the hitherto unknown Z‐configurated N‐acyl‐β‐amino‐α,β‐unsaturated ketones (III).
ChemInform Abstract: Acylation of 5‐Amino‐2‐aryl‐3‐phenyl‐1,2,4‐thiadiazolium Chlorides.
Authors: ZYABREV V. S. , KHARCHENKO A. V. , PIROZHENKO V. V. , DRACH B. S.
Published: May 2016

On chlorination under mild conditions the thioureas (IV) undergo cyclization to afford the title compounds (V).
ChemInform Abstract: Studies on the Synthesis and Antimicrobial Properties of Aryl Barbituryl Sulfones.
Authors: SHRIMALI S. S. , JOSHI B. C. , KISHORE D.
Published: May 2016

The sulfonamides (III) are coupled with the ureas (IV) to give the barbituric acid derivatives (V) which rearrange in concentrated sulfuric acid, producing the corresponding sulfones (VI).
ChemInform Abstract: Synthesis and Pharmacological Effect of Substituted Phenyl‐4‐(2‐chloroethyl)tetrahydro‐1,4‐oxazine Hydrochlorides.
Authors: DAOUD S. S. , OSMAN S. A. , KARRAR M. A.
Published: May 2016

Reduction of the bromoacetophenones (I) produces the bromohydrins (II) which react with diethanolamine (III) to yield the aminocarbinols (IV).
ChemInform Abstract: Convenient Routes to Di‐tert.‐butylsilanediyl (II): Chemical, Thermal, and Photochemical Generation.
Authors: BOUDJOUK P. , SAMARAWEERA U. , SOORIYAKUMARAN R. , CHRISCIEL J. , ANDERSON K. R.
Published: May 2016

Three routes are described to generate the diyl (II): a) α‐elimination of halogen from (I), b) thermolysis or c) photolysis of either isomer (VI).
ChemInform Abstract: Synthesis, NMR Study, and Crystal Structures of Bis(diethyldithiocarbamato)(O,O′‐diethyl dithiophosphato)phenyltellurium(IV), PhTe(S2CNEt2)2(S2P(OEt)2), and Bis(diethyldithiocarbamato)iodomethyltellurium(IV), MeTe(I)(S2CNEt2)2.
Authors: DAKTERNIEKS D. , DI GIACOMO R. , GABLE R. W. , HOSKINS B. F.
Published: May 2016

Reactions of PhTeCl3 (I) with the dithiolate ligands (II), (IV), and SSCOEt‐ in solution are studied by variable‐temp.
ChemInform Abstract: The Kinetics of Photochemical Deconjugation Reactions of Methyl Geranate.
Authors: FREEMAN P. K. , SIGGEL L.
Published: May 2016

The photochemical deconjugation of the title compound (I) which leads to the products (II)‐(IV) is compared with the triplet state ring closure yielding the cyclopentane derivative (V).
ChemInform Abstract: Theoretical Study of B2H+ 5, B2H+ 6, and B2H6.
Authors: CURTISS L. A. , POPLE J. A.
Published: May 2016

The B2H5+ ion is predicted to have the triply hydrogen‐bridged structure (I) with D3h symmetry.
ChemInform Abstract: Investigations of Solid State Reactions of Binary Polyphosphate‐Fluoride Systems by Means of Thermal Analysis, X‐Ray Diffraction and NMR Spectroscopy. Part 2. Systems Sr(PO3)2 + SrF2 and Ca(PO3)2 + CaF2.
Authors: EHRT D. , JAEGER C. +
Published: May 2016

Both solid state systems are characterized by the reactions outlined in the scheme.
ChemInform Abstract: IR and Gravimetric Studies of the Adsorption of Water on Barium Sulfate.
Authors: NEAGLE W. , ROCHESTER C. H.
Published: May 2016

A self‐supporting disc of BaSO4 is freed from adsorbed and bulky water by heat treatment at 773 K. Subsequent adsorption of water vapor gives spectra containing IR bands due to isolated hydroxyl groups and to vibrations of water molecules.
ChemInform Abstract: 95Mo NMR Studies of (Aryldiazenido)‐ and (Organohydrazido)molybdates. Crystal and Molecular Structure of (n‐Bu4N)3(Mo6O18(NNC6F5)).
Authors: BANK S. , LIU S. , SHAIKH S. N. , SUN X. , ZUBIETA J. , ELLIS P. D.
Published: May 2016

The 95Mo NMR spectroscopy of a select series of (aryldiazenido)‐ and (organohydrazido)molybdates of known structure is studied.
ChemInform Abstract: Time‐Resolved Resonance Raman Spectroscopy Applied to the Photochemistry of the Sulfonated Derivatives of 9,10‐Anthraquinone.
Authors: MOORE J. N. , PHILLIPS D. , HESTER R. E.
Published: May 2016

Variation of the chemical conditions (pH 6, with and without addition of NaNO2), probe laser wavelength (370‐580 nm) and time delays allows the observation of five species in the photolysis of the "strong" sensitizer (I): its triplet, radical anion and neutral radical, and two water‐triplet complexes.
ChemInform Abstract: Thermal and Photochemical Reactions of d9 Metal Complexes: The Silver(II) Macrocycles.
Authors: RONCO S. , VAN VLIERBERGE B. , FERRAUDI G.
Published: May 2016

Rate constants for electron transfer reactions of Cu(II), Ni(I), and Ag(II) complexes of the ligands (I)‐(VI) are determined by pulse radiolysis.
ChemInform Abstract: Thermal Interconversion and Cyclization Reactions of 2‐(Arylthio)benzyl Radicals and 2‐(Benzyl)thiophenoxyl Radicals.
Authors: CADOGAN J. I. G. , HUTCHISON H. S. , MCNAB H.
Published: May 2016

The title radicals are generated either from oxalates (VI) or from allyl compounds (IV), respectively.
ChemInform Abstract: Kinetics and Stereochemistry in the Catalytic Hydrogenation of Acridine.
Authors: SAKANISHI K. , OHIRA M. , MOCHIDA I. , OKAZAKI H. , SOEDA M.
Published: May 2016

At 150 °C the hydrogenation of acridine (I) follows the consecutive pathway to predominantly give the stereoisomer (IV).
ChemInform Abstract: A Novel Approach to the Synthesis of Two Versatile Synthetic Intermediates, 2,3‐Bis(bromomethyl)‐1,3‐butadiene and Tetrakis(bromomethyl)ethylene.
Authors: ALI S. M. , TANIMOTO S. , OKAMOTO T.
Published: May 2016

The (π‐allyl)palladium complex (III), generated from allene (I) and bis(benzonitrile)palladium(II) bromide (II), reacts with two equivalents of bromine to give 2,3‐bis(bromomethyl)‐1,3‐butadiene (IV).
ChemInform Abstract: Direct Regio‐ and Stereoselective Lithiation of Secondary Allyl and Methylallylamines: Reaction with Electrophiles.
Authors: BARLUENGA J. , FANANAS F. J. , FOUBELO F. , YUS M.
Published: May 2016

The allylic amines (Ia) ‐ (Ie) are transformed into the vinyl substituted allylamines (III) in a one‐pot procedure via lithiation, reaction with the electrophiles (II), and subsequent hydrolysis.
ChemInform Abstract: Studies on Antirheumatic Agents: 3‐Benzoylpropionic Acid Derivatives.
Authors: KAMEO K. , OGAWA K. , TAKESHITA K. , NAKAIKE S. , TOMISAWA K. , SOTA K.
Published: May 2016

The acetophenones (I) and glyoxylic acid (II) are combined to give the α,β‐unsaturated acids (III) which react with thioacetic acid (IV), producing the adducts (V).
ChemInform Abstract: Preparation of Fused Aziridines by Intramolecular Cycloaddition.
Authors: JONES G. B. , MOODY C. J.
Published: May 2016

The dialdehyde monoxime ethers (III) and (IX), synthesized from biphenyl‐2,2'‐dicarbaldehyde (I) or the 2‐formylindoles (VII), react with tosyl hydrazide (IV) to give the hydrazones (V) and (X).
ChemInform Abstract: Studies Related to Penicillins. Part 26. Conversion of Potassium Benzylpenicillinate into 1‐Substituted Derivatives of 3‐Phenylacetamidoazetidine‐2,4‐dione.
Authors: KAURA A. C. , STOODLEY R. J.
Published: May 2016

The (2R,3S)‐azetidinesulfinic acids (I), derived from benzylpenicillinates, are converted into the title compounds (Va) and (Vb) the key step being the Norrish type II photoreaction of (IV).
ChemInform Abstract: Reactivity of (R)‐2‐tert.‐Butyldihydrooxazole Derivatives Prepared from Serine and Threonine: Novel, Versatile Chiral Building Blocks.
Authors: SEEBACH D. , STUCKY G.
Published: May 2016

The known title compounds (II) and (XI) are promising starting materials for regio‐ and stereoselective syntheses of derivatives such as (I), (III), (VII), (X) or (XII) which are obtained from (II), (XI) by simple, conventional reactions.
ChemInform Abstract: Formation of Mutagens by Photochemical Reaction of 2‐Naphthol in Aqueous Nitrite Solution.
Authors: SUZUKI J. , WATANABE T. , SUZUKI S.
Published: May 2016

Irradiation of 2‐naphthol (I) in the presence of sodium nitrite (II) yields a mixture of the compounds (III) ‐ (IX).
ChemInform Abstract: Synthesis and Reactions of Isoquinoline Derivatives. Part 3. Synthesis and Reactions of 3,4‐Dihalo‐1‐phenylisoquinolines.
Authors: RENGER B. , KONZ E. , RUEGER W. +
Published: May 2016

The title compounds (II) are prepared from 1‐phenyl‐1,4‐dihydroisoquinolinone (I) by treatment with phosphorus pentahalides or by consecutive Vilsmeier‐Haack acylation and oxidative cleavage with sodium hypohalites.
ChemInform Abstract: Nickel‐Catalyzed Coupling of Dithioacetals with Silylmethylmagnesium Chloride. A Simple Synthesis of Allylsilanes.
Authors: NI Z.‐J. , LUH T.‐Y.
Published: May 2016

Coupling reaction of the 1,3‐dithiols (I) and (IV) with trimethylsilylmethylmagnesium chloride (II) in the presence of a Ni‐catalyst yields the alkylsilanes (III) or (V), together with the vinylsilanes (VI).
ChemInform Abstract: The First Octasilacubane System: Synthesis of Octakis(tert‐butyldimethylsilyl)pentacyclo(4.2.0.02,5.03,8.04,7)octasilane.
Authors: MATSUMOTO H. , HIGUCHI K. , HOSHINO Y. , KOIKE H. , NAOI Y. , NAGAI Y.
Published: May 2016

The tetraphenyltetrasilane (I) or the triphenyldisilane (IV) are brominated with hydrogen bromide in the presence of aluminum tribromide to give the tetrabromotetrasilane (II) or the tribromodisilane (V).
ChemInform Abstract: Synthesis of Selenocyanates via Cyanoselenation of Organocopper Reagents.
Authors: MEINKE P. T. , KRAFFT G. A. , GURAM A.
Published: May 2016

The methylene compounds (I) react with butyllithium and cuprous cyanide to give the intermediate compounds (III) which subsequently undergo exchange selenation with selenocyanogen (IV) to yield the selenocyanates (V).
ChemInform Abstract: closo‐(B11H11AlCH3)2‐, an Aluminaborane Analogue of the closo‐(B12H12)2‐ Dianion: Synthesis, Characterization, and Molecular Structure.
Authors: GETMAN T. D. , SHORE S. G.
Published: May 2016

The air‐sensitive compound (IVa) is prepared according to the scheme.
ChemInform Abstract: The Direct Electrochemical Synthesis of Tin(II) Derivatives of Aromatic 1,2‐Diols, and a Study of Their Oxidative Addition Reactions.
Authors: MABROUK H. E. , TUCK D. G.
Published: May 2016

The title compounds (I) are obtained by electrochemical oxidation of anodic tin in non‐aqueous solutions of the aromatic diols.
ChemInform Abstract: Tertiary Phosphine Complexes of Iron Porphyrins: Synthesis, Molecular Stereochemistry, and Crystal Structure of Bis(dimethylphenylphosphine)(meso‐5,10,15,20‐tetraphenylporphyrinato)iron(II).
Authors: SODANO P. , SIMONNEAUX G. , TOUPET L.
Published: May 2016

The low‐spin Fe(II) complex (Ia) (P1, Z=1) is the first structurally characterized model compound for protein phosphine complexes.
ChemInform Abstract: Ruthenium(II) Cluster Complexes: A Series of Homooligonuclear Complexes Based on Bidentate Bridging Ligands.
Authors: SAHAI R. , MORGAN L. , RILLEMA D. P.
Published: May 2016

By addition of bis(bipyridine)ruthenium fragments to bipyridine/bipyrimidine ruthenium cores the trimetallic (I) and tetrametallic cluster complexes (II) are prepared.
ChemInform Abstract: Metallaheteroborane Chemistry. Part 3. Synthesis of (2,2‐(PR3)2‐1,2‐TePtB10H10) (R3: Et3, nBu3, or Me2Ph), Their Characterization by Nuclear Magnetic Resonance Spectroscopy, and the Crystal and Molecular Structure of (2,2‐(PEt3)2‐1,2‐TePtB10H10).
Authors: FERGUSON G. , KENNEDY J. D. , FONTAINE X. L. R. , FARIDOON FARIDOON , SPALDING T. R.
Published: May 2016

The title compounds (III) are prepared as the major products in the reactions of the Pt complexes (I) with the nido‐telluraborane anion (II) in refluxing THF.
ChemInform Abstract: Solid‐Phase Synthesis of O‐Glycopeptide Sequences.
Authors: PAULSEN H. , MERZ G. , WEICHERT U.
Published: May 2016

It is shown that the solid phase procedure developed for peptides likewise allows a more rapid and simplified access to glycopeptides.
ChemInform Abstract: Synthesis of a Remarkably Stable Bicyclo(7.3.1)diynene Esperamicin A1/Calicheamicin γ System. Structural Requirements for Facile Formation of a 1,4‐Diyl.
Authors: MAGNUS P. , LEWIS R. T. , HUFFMAN J. C.
Published: May 2016

In connection with the investigation of the mechanism of action of the antitumor system esperamicin A2/calicheamicin γ1, the stable intermediate diynene (X) is synthesized.
ChemInform Abstract: Direct Incorporation of a 6α(7α)‐Formamido Group into Penicillin and Cephalosporin Sulfides and Sulfoxides.
Authors: BRANCH C. L. , PEARSON M. J. , SMALE T. C.
Published: May 2016

The penicillin derivative (I) is converted to the formamido derivative (V) the oxidation of which provides the isomeric sulfoxides (VI).
ChemInform Abstract: A Novel Synthetic Method for Penicillanic Acid Derivatives by Electroreduction.
Authors: IKEDA S. , TSUKAMOTO G. , NISHIGUCHI I. , HIRASHIMA T.
Published: May 2016

Electrolysis of the 6,6‐dibromopenicillanic acid esters (I) results in debromination, producing the penicillanic acid esters (II).
ChemInform Abstract: Structure of the Cation N2H+ 7 with a Hydrogen Bond of Type N‐H...N in the Monoammonia‐Adduct of Ammonium Iodide.
Authors: BERTHOLD H. J. , PREIBSCH W. , VONHOLDT E.
Published: May 2016

NH4I·NH3 (I), prepared by exposure of NH4I to gaseous NH3 of 350‐450 torr, crystallizes at 298 K in the cubic space group Pm3m with Z=1.
ChemInform Abstract: Structure of NaRhO2.
Authors: HOBBIE K. , HOPPE R.
Published: May 2016

Single crystals of the title compound are prepared for the first time by annealing a mixture of Li2O, NaO0.5, and α‐Rh2O3 (Li:Na:Rh = 1.15:2.18:1, Pd‐cylinder, 950 °C, 18 d).
ChemInform Abstract: Compound Formation in the System TeO2‐Ta2O5.
Authors: YAMAGUCHI O. , MOGI H.
Published: May 2016

Three compounds are found to exist in the title system: 3 TeO2·Ta2O5 ((I), tetragonal), 2 TeO2·Ta2O5 ((II) tetragonal and orthorhombic), and TeO2·3 Ta2O5 ((III) orthorhombic).
ChemInform Abstract: Photoelectrochemical Study on the Ternary Semiconductors AgInS2 (I) and AgInSe2 (II).
Authors: ODENWELLER T. , GRABNER E. W.
Published: May 2016

Polycrystalline samples of (I) and (II) are obtained from melts of the elements.
ChemInform Abstract: Comparative Study of the Copper(II) Cryptates of C‐BISTREN and O‐BISTREN. Protonation Constants, Formation Constants, and Secondary Anion Bridging by Fluoride and Hydroxide.
Authors: MOTEKAITIS R. J. , MARTELL A. E. , MURASE I. , LEHN J.‐M. , HOSSEINI M. W.
Published: May 2016

Potentiometric equilibrium measurements are carried out to determine the protonation constants and Cu(II) stability constants for the macrobicyclic ligand (Ia) as a function of pH in the presence and absence of fluoride ions.
ChemInform Abstract: NMR Determination of Association Constants for Calixarene Complexes. Evidence for the Formation of a 1:2 Complex with Calix(8)arene.
Authors: SHINKAI S. , ARAKI K. , MANABE O.
Published: May 2016

Association constants K, ΔH, and ΔS are determined for the complexation of anilinium chloride (I) with the calix(n)arenes (II).
ChemInform Abstract: The Oxazoline‐Benzyne Route to 1,2,3‐Trisubstituted Benzenes. Tandem Addition of Organolithiums, Organocuprates, and α‐Lithionitriles to Benzynes.
Authors: PANSEGRAU P. D. , RIEKER W. F. , MEYERS A. I.
Published: May 2016

The generation of the benzyne intermediate (IV) via ortho lithiation of the readily available precursor (I) gives rise to a variety of polysubstituted benzene derivatives.
ChemInform Abstract: Regioselective Ring Openings of 2,3‐Epoxy Alcohols with Ammonium Halides and Sodium Benzenethiolate Supported on Zeolite CaY.
Authors: ONAKA M. , SUGITA K. , TAKEUCHI H. , IZUMI Y.
Published: May 2016

Reaction of the hydroxymethyl epoxides (I) and (V) with the nucleophiles (II), fixed on zeolite, results in the predominant formation of the 1,2‐diols (III) and (VI).
ChemInform Abstract: Highly Selective syn‐Acyclic Homoaldol Chemistry: Synthesis of cis‐3,4‐Disubstituted Butyrolactones.
Authors: LINDERMAN R. J. , MCKENZIE J. R.
Published: May 2016

The organocuprates (I) react with the unsaturated aldehydes (II) to give mixtures of the 1,4‐ (III) and 1,2‐adducts (IV).
ChemInform Abstract: Synthesis of 2‐(Alkylthio)‐ and 2‐(Arylthio)‐3‐cyanothiophenes. Nucleophilic Displacement of the Alkylsulfinyl Group by Thiols.
Authors: LUTEIJN J. M. , DOLMAN H. , WALS H. C.
Published: May 2016

The nucleophilic substitution of activated 2‐(alkylsulfinyl)thiophenes (I), (IV), (VII) with alkyl‐ or arylmercaptans (II), (V), (VIII) gives the corresponding 2‐(alkylthio)‐ or 2‐(arylthio)‐substituted thiophenes (III), (VI), or (IX).
ChemInform Abstract: Rotenoid Synthesis via Radical Cyclization.
Authors: AHMAD‐JUNAN S. A. , WHITING D. A.
Published: May 2016

The hydroxyacetophenone (I) is coupled with ethyl methylthioacetate (II) to give the methylthiomethylchromone (III) which is converted into the iodophenyl ether (IX).
ChemInform Abstract: (2.2)(2,5)Pyrazinophanes: Synthesis and Molecular Structure.
Authors: EIERMANN U. , KRIEGER C. , NEUGEBAUER F. A. , STAAB H. A.
Published: May 2016

Starting with 2,5‐dimethylpyrazine (I), the pyrazinophanes (VI) and (VII) are prepared, together with the compounds (VIII) and (IX), as outlined in the reaction scheme.
ChemInform Abstract: A Trigonal‐Bipyramidal Zinc(II) Complex of a Phenol‐Pendant Macrocyclic Triamine.
Authors: KIMURA E. , KOIKE T. , TORIUMI K.
Published: May 2016

The title complex (III) crystallizes in P21/a with Z=4.
ChemInform Abstract: Synthesis and X‐Ray Structural Characterization of (WS(S2CNEt2)3)BF4.
Authors: SNOW M. R. , TIEKINK E. R. T. , YOUNG C. G.
Published: May 2016

Treating WSCl4 with 3 equiv. of the dithiocarbamate (II) results in the formation of the air‐stable, diamagnetic title complex (III) and the known complex (IV).
ChemInform Abstract: Generation and Characterization of Highly Reactive Oxo‐Transfer Intermediates and Related Species Derived from (Tetraarylporphinato)manganese(III) Complexes.
Authors: RODGERS K. R. , GOFF H. M.
Published: May 2016

Several monomeric high‐oxidation‐state tetraarylporphinatomanganese complexes (aryl: phenyl, mesityl) are structurally and magnetically characterized via low‐temp.
ChemInform Abstract: Electron Self‐Exchange of Low‐Spin Iron Octaethylporphyrin, Chlorin, and Isobacteriochlorin Complexes.
Authors: DIXON D. W. , WOEHLER S. , HONG X. , STOLZENBERG A. M.
Published: May 2016

Rate constants for the title reaction in the homologous series of six‐coordinate low‐spin bis(N‐methylimidazole)iron complexes of octaethylporphyrin and its hydro forms are given.
ChemInform Abstract: Dihalo(tetraphenyldithioimidodiphosphinato)gold(III) Complexes. Crystal and Molecular Structure of (AuCl2(SPPh2NPPh2S)).
Authors: LAGUNA A. , LAGUNA M. , NIEVES FRAILE M. , FERNANDEZ E. , JONES P. G.
Published: May 2016

The square planar dichloro title complex (IIIa) is obtained according to the scheme and characterized by X‐ray structure analysis (space group P21/n, Z=4).
ChemInform Abstract: Siastatin B, a Potent Neuraminidase Inhibitor: The Total Synthesis and Absolute Configuration.
Authors: NISHIMURA Y. , WANG W. , KONDO S. , AOYAGI T. , UMEZAWA H.
Published: May 2016

The lactam (I), readily available from L‐ribose, is used as starting material in the synthesis of the title compound (X) (10.3% overall yield from L‐ribose).
ChemInform Abstract: Structural Study on Molten (7Li,K)Cl and (7Li,Na,K)Cl of the Eutectic Composition by Pulsed Neutron Diffraction.
Authors: ENDOH A. , YAMAGUCHI T. , TAMURA Y. , ODAWARA O. , OKADA I. , OHTAKI H. , MISAWA M.
Published: May 2016

The nearest neighbor distance between Li+ and Cl‐ ions in the mixtures is determined to be 240 pm in both the binary and ternary mixtures.
ChemInform Abstract: The Phase Diagram for Magnesium‐Aluminum‐Manganese Above 650 °C
Authors: SIMENSEN C. J. , OBERLAENDER B. C. + , SVALESTUEN J. , THORVALDSEN A.
Published: May 2016

is determined in the range 0‐1.5 wt.% Mn and 0‐10 wt.% Al using such special sampling techniques as centrifuging and rapid quenching.
ChemInform Abstract: Passivation of Iron in Sulfate, Perchlorate, and Borate Solutions: Role of Borate in the Passivation Process.
Authors: MACDOUGALL B. , BARDWELL J. A.
Published: May 2016

In sulfate and perchlorate solution of either pH 3.0 or 8.4, the anodic passivation of Fe is found to be highly inefficient with large amounts of charge passing before a substantial decrease in current is observed.
ChemInform Abstract: Synthesis of New Acylhydrazones as Iron‐Chelating Compounds.
Authors: EDWARD J. T. , GAUTHIER M. , CHUBB F. L. , PONKA P.
Published: May 2016

Fourteen acylhydrazides such as (II) are condensed with pyridoxal (I), salicylaldehyde (IV), and hydroxynaphthaldehyde (VI) to give 42 acylhydrazones of type (III), (V) and (VII), respectively, of which 38 are new.
ChemInform Abstract: Acylation of Vinyl Chlorides by Cationic Complexes.
Authors: BORODAEV S. V. , ZUBKOVA O. V. , LUK'YANOV S. M.
Published: May 2016

The reaction between the chloroalkenes (I), (IV), (VI) or (VIII) and the cationic complexes (II) or (XI) is investigated.
ChemInform Abstract: Reaction of α,β‐Acetylenic Aldimines with Organo‐Magnesium Compounds.
Authors: SUVOROVA I. V. , KHRAMCHIKHIN A. V. , STADNICHUK M. D.
Published: May 2016

Reaction of the Grignard compounds (II) with the aldimines (I) takes place at the C=N double bond exclusively, producing the amines (III) after hydrolysis.
ChemInform Abstract: Synthesis of Fluoronitroacetic Acid Hydrazides and Amides.
Authors: MARTYNOV I. V. , UVAROV V. I. , BREL' V. K. , TSYGANOVA G. I. , DODONOV M. V.
Published: May 2016

The fluoronitroacetate (I) reacts with the hydrazines (II) to give the hydrazides (III).
ChemInform Abstract: Palladium‐Catalyzed Aroylation of Alkyl Vinyl Ethers. An Entry to Monoprotected 1‐Aryl‐1,3‐dicarbonyl Equivalents.
Authors: ANDERSSON C.‐M. , HALLBERG A.
Published: May 2016

The aromatic acid chlorides (I) react with butyl vinyl ether (II) in the presence of Pd‐catalysts to form the E‐β‐aroylvinyl butyl ethers (III).
ChemInform Abstract: The Addition Reaction of Acetals to Activated Olefins Under Extremely Mild Conditions.
Authors: MUKAIYAMA T. , WARIISHI K. , SAITO Y. , HAYASHI M. , KOBAYASHI S.
Published: May 2016

The dimethyl acetals (II) react with activated olefins such as (I), (IV), or (VII) in the presence of tin(II) chloride/trimethylsilyl chloride or tin(II) triflate/trityl chloride to give the adducts (III), (V), or (VIII).
ChemInform Abstract: Synthetic and Mechanistic Studies on the Preparation of Pyridyl‐Substituted Imidazothiazoles.
Authors: LANTOS I. , GOMBATZ K. , MCGUIRE M. , PRIDGEN L. , REMICH J. , SHILCRAT S.
Published: May 2016

Cyclocondensation of the 2‐aminothiazoline (II) with the phenacyl halides (I) produces the imidazothiazolines (III) which are converted to the dihydropyridyl derivatives (VI) by coupling with pyridine (IV) in the presence of ethyl chloroformate (V).
ChemInform Abstract: Reactions of Thio Derivatives of Phosphorus(III) Acids Containing a P‐H Bond.
Authors: SINYASHIN O. G. , GORSHUNOV I. YU. , BATYEVA E. S. , PUDOVIK A. N.
Published: May 2016

Reduction of the dithiophosphonites (Ia) or (Ib) with dibutylstannane yields the thiophosphinites (IIa) or (IIb).
ChemInform Abstract: Phosphorus Heterocycles. Part 2. P‐Aryl‐5,10‐dihydrophenophosphazines from Arylphosphonous Dichlorides and Diarylamines.
Authors: CROFTS P. C. , HIGGINBOTTOM R. , TAJBAKHSH‐JADIDI M.
Published: May 2016

Reaction of the amines (I) with the dichloride (II) yields the phenophosphazines (III) together with the tert. and sec. phosphine oxides (IV) and (V) as by‐products.
ChemInform Abstract: Reactions of Chalcogens with Acetylenes. Part 3. Alkyl Vinyl Tellurides from Tellurium, Acetylene and Alkyl Halides.
Authors: GUSAROVA N. K. , TROFIMOV B. A. , TATARINOVA A. A. , POTAPOV V. A. , SINEGOVSKAYA L. M. , AMOSOVA S. V. , VORONKOV M. G.
Published: May 2016

Two novel methods of preparation of the title compounds (IV) are described.
ChemInform Abstract: D‐Glucose Interaction with Uranium Ion. Synthesis, Spectroscopic and Structural Characterization of Uranyl‐Glucose Adducts and the Effect of Metal Cation Binding on the Sugar Anomeric Structures.
Authors: TAJMIR‐RIAHI H. A.
Published: May 2016

Hydrated uranyl salts in methanol react with D‐glucose to yield the adducts (I).
ChemInform Abstract: Isolation of cis‐Dimethyl(methoxycarbonyl)(triphenylphosphine)gold(III).
Authors: KOMIYA S. , ISHIKAWA M. , OZAKI S.
Published: May 2016

The air and thermally stable title complex (IV) is prepared according to the scheme and characterized by IR, 1H and 13C NMR data.
ChemInform Abstract: Activation of a Fluorinated Carbon‐Carbon Bond by Oxidative Addition of Tetrafluorocyclopropene to Platinum(0). The First Example of a Perfluorometallacyclobutene.
Authors: HEMOND R. C. , HUGHES R. P. , ROBINSON D. J. , RHEINGOLD A. L.
Published: May 2016

The structure of the title perfluorometallacyclobutene (IIIa) is confirmed by X‐ray analysis (space group P21/n with Z=4).
ChemInform Abstract: (2,3)Wittig Ring Contraction: Synthesis of p‐Menthane Derivatives.
Authors: MARSHALL J. A. , LEBRETON J.
Published: May 2016

The cyclic ether (I) undergoes cleavage and ring contraction upon treatment with lithium tetramethylpiperidide, producing the racemic cyclohexenol (±)‐(II).
ChemInform Abstract: Temperature‐Dependent Cation Distribution in Zeolites. Part 2. Dehydrated NaxHY (x = 13, 23, 42, 54), Ca15HY, and Sr27Y.
Authors: VAN DUN J. J. , DHAEZE K. , MORTIER W. J.
Published: May 2016

The structures of Na, Ca, and SrY faujasite‐type zeolites in the dehydrated state are determined by powder XRD techniques at various temp. in order to test the statistical thermodynamical models based on the Bragg‐Williams approximation (BW) and the quasi‐chemical‐equilibrium method (QC) developed in part 1 to explain the cation distribution in zeolites as a function of temperature.
ChemInform Abstract: Lattice Vibration Spectra. Part 49. Hydrogen Bonding and Phase Transitions of RbOH·H2O and CsOH·H2O Studied by IR and Raman Spectroscopy
Authors: LUTZ H. D. , HENNING J. , JACOBS H. , HARBRECHT B.
Published: May 2016

in the range of 95‐401 K. Strong H bonds of the type HOH...OH‐ and much weaker H bonds in the case of OH‐...OH2 groupings are the result of the different behavior of OH‐ ions and H2O molecules as H‐bond donor and acceptor groups.
ChemInform Abstract: Heat Capacity of Some Liquid Zintl Compounds: Equiatomic Alkali‐Lead Alloys.
Authors: SABOUNGI M.‐L. , REIJERS H. T. J. , BLANDER M. , JOHNSON G. K.
Published: May 2016

High temp. drop calorimetry over a temp. range covering solid and liquid phases is used to determine the enthalpies of APb (A: Na, Rb, Cs) alloys.
ChemInform Abstract: Vibrational Spectroscopy and Structural Phase Transitions in Molecular Crystals.
Authors: NOVAK A.
Published: May 2016

It is shown experimentally that vibrational spectroscopy can give useful information, both structural and dynamic, about phase transitions in molecular crystals.
ChemInform Abstract: Resonance Raman Spectra of the Heptanuclear (Ru(bpz)3(Ru(NH3)5)6)14+ Complex. Excitation Profiles for Three Overlapping Metal‐to‐Ligand Charge‐Transfer Bands.
Authors: TOMA H. E. , SANTOS P. S. , LEVER A. B. P.
Published: May 2016

The resonance Raman spectra of the complexes (I)‐(III) are compared.
ChemInform Abstract: Asymmetric Addition of Organometallic Reagents to Homochiral β‐Ketoacetals.
Authors: HOSOKAWA T. , YAGI T. , ATAKA Y. , MURAHASHI S.‐I.
Published: May 2016

The highest diastereoselectivity is achieved in the reaction of the ketoacetal (I) with MeLi (II).
ChemInform Abstract: Study of the Regiochemistry and Stereochemistry of the (3 + 2)Cycloaddition Between Nonstabilized Azomethine Ylides Generated from Tertiary Amine N‐Oxides and Various Dipolarophiles.
Authors: CHASTANET J. , ROUSSI G.
Published: May 2016

The azomethine ylides, formed by treatment of the N‐oxides (II), (VI), or (XIV) with LDA, are subjected in situ to cycloaddition reaction with various dipolarophiles, e.g. (I), (IX), (XI), or (XV), producing pyrrole derivatives such as (III) ‐ (V), (VII), (VIII), and (X), the tetrahydrothiazoles (XII) and (XIII), or the fused piperidines (XVI) and (XVII).
ChemInform Abstract: Generation of Diatomic Sulfur from Organometallic Precursors.
Authors: HARPP D. N. , MACDONALD J. G.
Published: May 2016

Diatomic sulfur (II) is generated by treating titanocene pentasulfide (Ia) or its zirconocene analogue (Ib) with triphenylphosphorus dibromide.
ChemInform Abstract: N‐ and O‐Alkylations of Nitro‐Substituted 1,3‐Diphenylureas: Preparations of Propellant Stabilizer Derivatives.
Authors: CURTIS N. J.
Published: May 2016

Reaction of the amine (II) with the isocyanates derived from Curtius rearrangement of the azides (I) yields the diphenylureas (III), which undergo alkylation to give the tetrasubstituted ureas (V).
ChemInform Abstract: Synthesis of 4‐Azidoindole‐3‐acetic Acid, a Photoprobe Causing Sustained Auxin Activity.
Authors: MELHADO L. L. , BRODSKY J. L.
Published: May 2016

2‐Methyl‐3‐nitroaniline (I) is converted to the ethyl formimidate (III) which undergoes cyclization upon treatment with diethyl oxalate and bases, yielding 4‐nitroindole (IV).
ChemInform Abstract: Thermal Reactions of Donor‐Acceptor Systems. Part 5. Thermal and Photochemical Oxetane Formation with α‐Keto Esters.
Authors: MATTAY J. , BUCHKREMER K.
Published: May 2016

Photolysis of ethyl pyruvate (I) in the presence of the diethoxyethene (II) or the dioxole (VII) results in (2 + 2)cycloaddition reaction, producing the oxetane (III) or the trioxabicycloheptenes (VIII) and (IX).
ChemInform Abstract: A Highly Stereoselective Synthesis of Podophyllotoxin and Analogues Based on an Intramolecular Diels‐Alder Reaction.
Authors: MACDONALD D. I. , DURST T.
Published: May 2016

The fused cyclobutanol acetate (I) is hydrolyzed and directly coupled with the isocyanate (II), yielding the urethane (III).
ChemInform Abstract: Synthesis of 2‐(2′‐Thenyl)‐3,1‐(4H)‐benzoxazin‐4‐one and Its Reactions with Different Nucleophiles.
Authors: EL‐KHAMRY A. M. A. , EL‐NAGDY S. , SHABAN M. E.
Published: May 2016

The thenylbenzoxazinone (III) is cleaved with the amines (II) or hydrazine hydrate (IV) to form the anthranilamides (I) and the carbohydrazide hydrazone (V).
ChemInform Abstract: Syntheses of Cyclic Hydroxamic Acid Derivatives, and Their Chelating Abilities and Biological Activities.
Authors: TANAKA K. , MATSUO K. , NAKANISHI A. , KATAOKA Y. , TAKASE K. , OTSUKI S.
Published: May 2016

The N‐hydroxylactams (II), (V), (VIII), and (XI) are prepared from 2‐nitrophenylpyruvic acid (I), the azlactones (III), or the aminohydroxamic acid (VI) and (X) as shown in the reaction scheme.
ChemInform Abstract: Chemistry of Isocyanic Acid and Its Derivatives. Part 6. Reaction of Isocyanic Acid and Isocyanates with Diketene. Preparation of 2H‐1,3‐Oxazines, 4‐Pyrones, and 2‐Pyridones.
Authors: OZAKI S. , NAGASE T. , KATO T.
Published: May 2016

Diketene (I) reacts with isocyanic acid (II) in the presence of boron trifluoride etherate, producing the dihydro‐1,3‐oxazinedione (III).
ChemInform Abstract: Synthesis of Some 1,3,8,10‐Tetrasubstituted 4,5,6,7‐Tetrathiocino‐(5,6‐d:7,8‐d′)diimidazole‐2,9‐dithiones and Crystal Structure of the Tetraethyl Derivative.
Authors: BIGOLI F. , PELLINGHELLI M. A. , ATZEI D. , DEPLANO P. , TROGU E. F.
Published: May 2016

The N‐disubstituted dioxoimidazolinethiones (I) are heated with Lawesson's reagent (II), producing the fused tetrathiocino derivatives (III).
ChemInform Abstract: Synthesis of (C5(CH3)4H)CH2CH2CH2P(C6H5)2: A Novel Heterofunctional Ligand Possessing Both a Tetramethylcyclopentadiene and a Remote Diphenylphosphine Functionality.
Authors: BENSLEY D. M. JUN. , MINTZ E. A. , SUSSANGKARN S. J.
Published: May 2016

The preparation of the title compound (X) starts with the Grignard reaction between the tetramethylcyclopentenone (I) and allylmagnesium bromide (II), forming a mixture of the trienes (III) and (IV).
ChemInform Abstract: Synthesis and Reactivity of Air‐Stable (LRe(NO)(CO)(CH3))+ (L: 1,4,7‐Triazacyclononane). Kinetics and Mechanism of Its Reactions with HX (X: Cl, Br, NO3). Formation of ((LRe(NO)(CO))2(μ‐CH2OCH2))I2 Containing a Bridging 2‐Oxapropane‐1,3‐diide.
Authors: POMP C. , WIEGHARDT K.
Published: May 2016

The racemic title compound (II) is obtained according to the scheme and resolved into its enantiomerically pure form as the (1S)‐3‐bromocamphorsulfonate salt.
ChemInform Abstract: Lewis Acidity of Nickel(0). Part 9. Alkyllithium Complexes of Nickel(0).
Authors: POERSCHKE K.‐R. + , JONAS K. , WILKE G.
Published: May 2016

The Ni(0) complex (I) reacts with stoichiometric amounts of alkyllithium compounds (II) to give the crystalline complexes (IV) or (VII).
ChemInform Abstract: Complexes of Ruthenium(III) with Dimethylsulfoxide. Part 1. (Ru2Cl6(DMSO)4), fac and mer Isomers of (RuCl3(DMSO)3): Versatile Starting Materials for the Synthesis of Ruthenium(III) Complexes.
Authors: SARMA U. C. , SARMA K. P. , PODDAR R. K.
Published: May 2016

Hydrated Ru trichloride reacts with DMSO at 70‐80 °C to give the chloride‐bridged dimeric complex (I), in the presence of conc.
ChemInform Abstract: Mono‐, Bis‐, and Tris(phosphine) Derivatives of μ3‐Sulfido Hydrido Complexes of Rhodium and Iridium. Syntheses and X‐Ray Crystal Structures of 50‐Electron Rh3(H)(μ3‐S)2(cod)2(PMe3)3 and Ir3(H)(μ3‐S)2(cod)3(PMe3) and 48‐Electron Ir3(H)(μ3‐S)2(cod)2(tBu2PH)2 (cod: 1,5‐Cyclooctadiene).
Authors: BRIGHT T. A. , JONES R. A. , KOSCHMIEDER S. U. , NUNN C. M.
Published: May 2016

The reaction of hexamethyldisilthiane (II) with the dimeric Rh complex (I) or the Ir analogue (V) in the presence of PMe3 (III) results in the formation of the 50‐electron clusters (IV) and (VI), respectively.
ChemInform Abstract: Nα,Nω‐Diphosphono‐, Diphosphinomethyl‐L‐α,ω‐diaminocarboxylic Acids.
Authors: NATCHEV I. A.
Published: May 2016

The N‐hydroxymethylated lactams (I) are coupled with dichloromethylphosphine (II) or phosphorus trichloride (V) and then subjected to acidic hydrolysis, yielding the diphosphinic (III) or diphosphonic acids (VI).
ChemInform Abstract: Synthesis and Enzyme‐Substrate Interactions of N‐Phosphino‐, Phosphonomethylglycine Ethyl Esters.
Authors: NATCHEV I. A.
Published: May 2016

The condensation reaction of glycine ethyl ester hydrochloride (I) with formaldehyde (II) and the hydrophosphorus compounds (III) yields the esters (IV) which undergo acidic hydrolysis to give the phosphinomethylglycines (V) or the phosphonomethylglycine (VI).
ChemInform Abstract: Syntheses of Amino‐dideoxyallose and Amino‐deoxyribose Derivatives Using Acylnitroso Dienophiles.
Authors: DEFOIN A. , FRITZ H. , GEFFROY G. , STREITH J.
Published: May 2016

The acetal (I) undergoes a regio‐ and stereoselective cycloaddition reaction with the acylnitroso dienophiles (II) (generated in situ by a known method) leading to the dihydrooxazines (III) + (IV).
ChemInform Abstract: Mammalian Alkaloids: O‐Methylation of (S)‐ and (R)‐Dideoxynorlaudanosoline‐1‐carboxylic Acid by Catechol O‐Methyltransferase and Identification of a Yellow Pigment Obtained at Physiological pH.
Authors: ROZWADOWSKA M. D. , CHRZANOWSKA M. , BROSSI A. , CREVELING C. R. , BEMBENEK M. E. , ABELL C. W.
Published: May 2016

Enzymatic methylation of the acid (I) and the yellow quinonemethide (III) yields the monomethyl ethers (II) and (IV) as major products (no yields given).
ChemInform Abstract: Synthesis, Structure Elucidation, and Pharmacological Evaluation of 5‐Methyl‐oxymorphone (= 4,5α‐Epoxy‐3,14‐dihydroxy‐5,17‐dimethylmorphinan‐6‐one).
Authors: SCHMIDHAMMER H. , DEETER J. B. , JONES N. D. , LEANDER J. D. , SCHOEPP D. D. , SWARTZENDRUBER J. K.
Published: May 2016

The title compound (III) has less opioid agonistic properties than oxymorphone which lacks the 5‐methyl group.
ChemInform Abstract: Multichannel Time‐Resolved Light Scattering from Ordered Colloidal Suspensions.
Authors: MOSER H. O. , FROMHEIN O. , HERRMANN F. , VERSMOLD H.
Published: May 2016

A fast multichannel light‐scattering photometer based on the combination of a fiber optical device with an optical multichannel analyzer is described and its performance is demonstrated by measurements of Bragg reflections with visible light from ordered colloidal suspensions (Dow 91 latex suspension).
ChemInform Abstract: Interpreting the CH Stretching Region, Through IR Partial Deuteration Studies
Authors: MCKEAN D. C.
Published: May 2016

Review: (about 50 refs.
ChemInform Abstract: Ab initio Investigation of the Nature of Bonding in LiX Dimers with First Row Substituents.
Authors: SANNIGRAHI A. B. , KAR T.
Published: May 2016

The nature of bonding of LiX and (LiX)2 molecules (X: H, BeH, BH2, CH3, NH2, OH, and F) is investigated on the basis of their localized molecular orbitals, atomic charges, overlap populations, bond orders, and valencies (calculated using 4‐31G, 6‐31G* and a mixed (4‐31G/6‐31G*/6‐31G**) basis sets).
ChemInform Abstract: 29Si NMR Studies of Aqueous Silicate Solutions. Part 1. Chemical Shifts and Equilibria.
Authors: KINRADE S. D. , SWADDLE T. W.
Published: May 2016

Analysis of chemical shift data derived from the 29Si NMR spectra of aqueous alkali‐metal (M) silicate solutions ((MOH):(Si(IV)) ≥ 1.0) can be used to identify new silicate species and to support tentative assignments of resonances.
ChemInform Abstract: Some Properties of Semiconducting Materials of the System Eu2O3‐Cr2O3‐CaO.
Authors: ZEMTSOV V. I. , GIL'DERMAN V. K. , PAL'GUEV S. F.
Published: May 2016

Phase composition, crystal structure and the electric properties of samples of the system specified in the title are investigated.
ChemInform Abstract: Reaction Volume for the Equilibrium Between the Lanthanide(III) Ennea‐ and Octaaqua Ions as a Diagnostic Aid for Their Water‐Exchange Mechanisms.
Authors: LAURENCZY G. , MERBACH A. E.
Published: May 2016

The dissociation equilibrium shown in the scheme is followed in aqueous solution at 298 K by measuring, with increasing pressure, the decrease of the UV absorption band due to (Ce(H2O)8)3+.
ChemInform Abstract: A Galvanostatic Pulse Technique for Investigation of Steel Corrosion in Concrete
Authors: NEWTON C. J. , SYKES J. M.
Published: May 2016

is presented as an alternative method to determine the impedance for steel corrosion in mortar immersed in simulated sea water and related alkaline chloride media (e.g.
ChemInform Abstract: The Oxidation of Octacyanotungstate(IV) by Nitrite Ions in Acidic Medium.
Authors: DENNIS C. R. , VAN WYK A. J. , BASSON S. S. , LEIPOLDT J. G.
Published: May 2016

The results of kinetic measurements in 0.01‐0.5 M HClO4 at I = 1.0 M lead to the reaction pathway outlined in the scheme.
ChemInform Abstract: Preparation of 2‐Azabicyclo(2.2.2)octa‐5,7‐dien‐3‐ones and 7‐Azabicyclo(4.2.0)octa‐2,4‐dien‐8‐ones from Addition Reactions of 2‐Pyridones.
Authors: SOMEKAWA K. , OKUMURA Y. , UCHIDA K. , SHIMO T.
Published: May 2016

Dimethyl acetylenedicarboxylate (II) and the 2‐pyridones (I) undergo photoaddition reactions as outlined in the reaction scheme.
ChemInform Abstract: Reactivity of Free and Coordinated Radicals in Biology and Chemical Carcinogenesis. Part 3. Alternating Reactivity of Free Radicals Coordinated to Chelated Transition Metals and to Hemoproteins.
Authors: TKAC A.
Published: May 2016

In order to obtain a deeper understanding of the role of free and coordinated radicals in the process of transformation of a normal cell into a tumorous one, the stabilization of radicals is studied in the range of physiological temperatures.
ChemInform Abstract: Dioxetane Formation at a Double Bond Adjacent to Bridgehead Nitrogen: Rapid Reaction Between Neostrychnine and Singlet Oxygen in a Polar Protic Medium. Evidence Against the Intermediacy of an Open Zwitterion.
Authors: CURTIS N. M. , GORMAN A. A. , PRESCOTT A. L.
Published: May 2016

The rate of the photochemical reaction of neostrychnine (I) with 1O2 to give (III) is essentially the same (slightly less than a factor of 2 lower) as that for the unstrained model compound (IV) which gives exclusively N‐formylpiperidine (V) and acetone (VI) under the same conditions.
ChemInform Abstract: Conjugate Addition to 2‐Substituted 5‐Phenylsulfinyl‐2‐cyclopentenones: A New Route to 4,5‐Disubstituted 2‐Cyclopentenones.
Authors: POHMAKOTR M. , POPUANG S.
Published: May 2016

The phenylsulfinylcyclopentenones (II), prepared by base‐induced cyclization of the amides (I), are coupled with the nitroalkanes (III), forming the adducts (IV).
ChemInform Abstract: Formal Synthesis of Spirovetivane Sesquiterpenes
Authors: HARAYAMA T. , SAKURAI O. , SONEHARA S. , SHINODA M. , TEZUKA Y. , YONEDA F.
Published: May 2016

The sulfoxide (IV), which is prepared in three steps from the aldehyde (I), undergoes Diels Alder reaction with the diene (V) to give the cyclohexenone (VI).
ChemInform Abstract: Diazotization Rearrangement of Tosylhydrazones of ortho‐ and meta‐Substituted Benzophenones and α‐Substituted Acetophenones (Synthesis of Anilides).
Authors: JOSHI V. , SHARMA R. K.
Published: May 2016

The substituted benzophenones (I) or phenylacetophenones (V) are converted into the corresponding tosylhydrazones (III) and (VI) which rearrange upon treatment with sodium nitrite and sulfuric acid, forming the anilides (IV) or (VII).
ChemInform Abstract: Alkylation of Chiral Prolinol Propionamide Enolates with Epoxides: Complete Reversal of Predicted Facial Selectivity.
Authors: ASKIN D. , VOLANTE R. P. , RYAN K. M. , REAMER R. A. , SHINKAI I.
Published: May 2016

The enolates (S)‐(I) or (R)‐(I) mentioned in the title react with the benzyloxyallyloxirane (II) to yield the γ‐lactones (III) which are also prepared from the benzyloxysiloxyiodopentene (IV).
ChemInform Abstract: Thienylpyrazoloquinolines: Potent Agonists and Inverse Agonists to Benzodiazepine Receptors.
Authors: TAKADA S. , SHINDO H. , SASATANI T. , CHOMEI N. , MATSUSHITA A. , EIGYO M. , KAWASAKI K. , MURATA S. , TAKAHARA Y. , SHINTAKU H.
Published: May 2016

Coupling of the 4‐chloroquinoline derivatives (I) with the 3‐hydrazinothiophene (II) gives the adducts (III) which are cyclized, forming the fused quinolines (IV).
ChemInform Abstract: A Convenient Variant of Selenone‐Selenol Isomerization of Phosphorinanes. Synthesis of Selenium‐Containing Analogues of Phosphohomocholines with Bisphosphatidic Acids.
Authors: PREDVODITELEV D. A. , RASADKINA E. N. , BEKKER A. R. , NIFANT'EV E. E.
Published: May 2016

The P‐selenoxodioxaphosphorinanes (III) and (VIIIb) or the thioxodioxaphosphorinane (VIIIa) are isomerized upon treatment with a phosphonium salt to give the corresponding oxaselenaphosphorinanes (IV) and (IXb) or the oxathiaphosphorinane (IXa).
ChemInform Abstract: Synthesis and Molecular Structure of the Diphosphaarsirane ‐ ((((η5‐C5Me5)(CO)2Fe)P)2AsC6H2tBu3).
Authors: WEBER L. , BUNGARDT D. , SONNENBERG U. , BOESE R.
Published: May 2016

The title compound (III) is obtained according to the scheme and separated from the other products (IV) and (V) by fractional crystallization.
ChemInform Abstract: “Aurophilicity” as a Consequence of Relativistic Effects. The Hexakis(triphenylphosphaneaurio)methane Dication ((Ph3PAu)6C)2+.
Authors: SCHERBAUM F. , GROHMANN A. , HUBER B. , KRUEGER C. + , SCHMIDBAUR H.
Published: May 2016

The nearly octahedral title cation is formed as shown, isolated as its diamagnetic borate (III) and characterized by MS and NMR (1H, 11B, 13C(1H), 31P(1H) data as well as X‐ray structure analysis (space group P21/c, Z=2).
ChemInform Abstract: Ruthenium(II) 2,2′‐Bipyridine Complexes Containing Methyl Isocyanide Ligands. Extreme Effects of Nonchromophoric Ligands on Excited‐State Properties.
Authors: INDELLI M. T. , BIGNOZZI C. A. , MARCONI A. , SCANDOLA F.
Published: May 2016

The new isocyanide complexes (III), (IV), and (VI) are synthesized according to the scheme.
ChemInform Abstract: Preparation, Isolation, and Characterization of Transition‐Metal η2‐Silene Complexes. X‐Ray Crystal Structure of (η5‐C5Me5)(P(iPr)3)Ru(H)(η2‐CH2SiPh2).
Authors: CAMPION B. K. , HEYN R. H. , TILLEY T. D.
Published: May 2016

The (η2‐silene)‐Ru complexes (III) are synthesized as shown in the scheme for the examples (IIIa) and (IIIb).
ChemInform Abstract: A Highly Stereocontrolled, Four‐Step Synthesis of (.+‐.)‐Lasubine II.
Authors: BROWN J. D. , FOLEY M. A. , COMINS D. L.
Published: May 2016

The pyridone (IV) is readily available from the pyridine (I).
ChemInform Abstract: 2‐(Dimethylamino)ethyl Esters of Fatty Acids: A Previously Unknown Class of Natural Products.
Authors: JANDKE J. , SPITELLER G.
Published: May 2016

The ester (I) is obtained from F‐acid with S‐adenosylmethionine and excess bovine liver homogenate.
ChemInform Abstract: A New Structure in the La‐Li‐Fe‐O System.
Authors: ABBATTISTA F. , MAZZA D. , VALLINO M. , GAZZANO M.
Published: May 2016

A new phase of the title system containing trivalent iron is prepared from pressed pellets of LaFeO3, La2O3, and LiOH under reducing conditions (Ar/5% H2 stream, 600‐700 °C).
ChemInform Abstract: New Observations of a Structure Sensitive Electrochemical Behavior of Irreversibly Adsorbed Arsenic and Antimony from Acidic Solutions on Pt(111) and Pt(100) Orientations.
Authors: FELIU J. M. , FERNANDEZ‐VEGA A. , ALDAZ A. , CLAVILIER J.
Published: May 2016

Studies of the electrochemical behavior of As and Sb adsorbed irreversibly on well‐defined Pt surfaces from a solution containing the adsorbable species in the oxidation state III, show that the adspecies undergo a redox transformation at the surface without desorption of the surface compound.
ChemInform Abstract: Reactions of Urea with Molybdenum Pentachloride and Tungsten Hexachloride. Crystal Structures of MoCl5·POCl3 and (MoNCl3·POCl3)4·2 CCl4.
Authors: ERNST T. , EL‐KHOLI A. , MUELLER U. + , DEHNICKE K.
Published: May 2016

MoCl5·POCl3 crystallizes in the orthorhombic space group Pnma with Z=4 and is isotypic with the corresponding POCl3 adducts of NbCl5 and ReCl5.
ChemInform Abstract: Regio‐ and Stereospecific Class 2 Tandem Michael Addition‐Cycloaddition Reactions of Oximes.
Authors: GRIGG R. , MALONE J. F. , DORRITY M. R. J. , HEANEY F. , RAJVIROONGIT S. , SRIDHARAN V. , SURENDRAKUMAR S.
Published: May 2016

The 2,3‐disubstituted 1,3‐butadienes (I) are coupled with the oximes (II) to give the cycloadducts (III).
ChemInform Abstract: Regiospecific Oxidation of Alkanesulfonamides to 3‐Oxoalkanesulfonamides.
Authors: TROYANSKII E. I. , LAZAREVA M. I. , ZUBAREV V. E. , LUTSENKO A. I. , NIKISHIN G. I.
Published: May 2016

Oxidation of the alkanesulfonamides (I) with Na2S2O8 in the presence of catalytic amounts of AgNO3 and CuSO4 regiospezifically leads to the formation of the 3‐oxoalkanesulfonamides (II).
ChemInform Abstract: Facile Conversion of Carboxamides to Nitriles with 1,1′‐Sulfinylbis‐1,2,4‐triazole Under Mild Conditions.
Authors: KIM S. , YANG S. , CHO J. R.
Published: May 2016

The conversion of carboxamides such as (I) into nitriles (II) is achieved using SBT, which is easily prepared from SOCl2 and 1,2,4‐triazole.