bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: A Photochemistry of 1‐(1‐Phenylvinyl)‐3,4‐dihydroisoquinoline.
Authors: HIRAI Y. , EGAWA H. , WAKUI Y. , YAMAZAKI T.
Published: May 2016

The dihydroisoquinoline (IV), synthesized from the acetic acid (I), is photolyzed to form the spirobenzylisoquinoline (V).
ChemInform Abstract: Furopyridines. Part 6. Preparation and Reactions of 2‐ and 3‐Substituted Furo(2,3‐b)pyridines.
Authors: MORITA H. , SHIOTANI S.
Published: May 2016

The chloronicotinate (I) is cyclized with the glyoxalates (II) to produce the furopyridin‐3(2H)‐ones (III).
ChemInform Abstract: The Reaction of Pyridazinones with Nucleophiles. An Unusual Reaction with Cyanide.
Authors: BADGER E. W. , MOOS W. H.
Published: May 2016

The imidazolylphenylpyridazinone (Ia) is converted to the 4‐amino derivative (Ib) which is also prepared from (Id).
ChemInform Abstract: 6‐Aminopyrimidine‐1‐oxides. Acylation and Methylation.
Authors: SEDOVA V. F. , MAMAEV V. P.
Published: May 2016

The 6‐aminopyrimidine‐N‐oxides (II), synthesized by oxidation of the corresponding pyrimidines (I), are treated with acetic anhydride to give the acetylamino compounds (III), while coupling of (II) with the acyl chlorides (IV) leads to the formation of the N‐acyloxypyrimidinium salts (V).
ChemInform Abstract: Synthesis of Some 7‐Substituted‐2,4,8(1H,3H,7H)Pyrimido(5,4‐d)pyrimidinetriones.
Authors: PENDERGAST W. , HALL W. R.
Published: May 2016

Ethyl 5‐nitroorotate (I) is reduced to give the amine (II) which is converted to the ethoxymethylene derivative (IV).
ChemInform Abstract: Synthesis of 3‐(α‐Chlorophenylhydrazono)heteroarylmethyl‐2‐oxo‐1,2‐dihydroquinoxalines with Antimicrobial Activity.
Authors: KURASAWA Y. , MURAMATSU M. , YAMAZAKI K. , OKOMOTO Y. , TAKADA A.
Published: May 2016

The hydrazones (I) react with the orthoesters (II) to form the oxadiazole derivatives (III) which equilibrate with the corresponding diazenyl tautomers.
ChemInform Abstract: A Convenient Synthesis and Antifungal Activity of 1‐Aryl‐1H‐ and 1‐Aryl‐3‐heteroaryl‐1H‐pyrazolo(3,4‐b)quinoxalines.
Authors: KURASAWA Y. , MURAMATSU M. , YAMAZAKI K. , TAJIMA S. , OKAMOTO Y. , TAKADA A.
Published: May 2016

The oxodihydroquinoxaline (I) reacts with the diazonium salts (II) to form the hydrazones (III).
ChemInform Abstract: Synthesis of Pyrido(1′,2′:1,2)imidazo(4,5‐b)pyrazines from 2,3‐Dichloro‐5,6‐dicyanopyrazine with 2‐Aminopyridines.
Authors: SUZUKI T. , NAGAE Y. , MITSUHASHI K.
Published: May 2016

Diaminomaleonitrile (I) is cyclized by reaction with oxalyl chloride (II) to form (III) which is then chlorinated, producing the dichloropyrazine (IV).
ChemInform Abstract: Synthesis and Reaction of 5‐Amino‐3‐trifluoromethylisoxazole and ‐pyrazole‐4‐carboxylic Acids.
Authors: TANAKA K. , SUZUKI T. , MAENO S. , MITSUHASHI K.
Published: May 2016

The nitrile oxide (II), derived from the hydroximoyl bromide (I), and the nitrile imine (VII), generated from the hydrazone (VI), are the starting products for the synthesis of various 5‐ring heterocycles as demonstrated in the reaction scheme.
ChemInform Abstract: Novel Eight‐Membered Heterocycles. Synthesis of Dithiazolo‐(4,5‐d:5′,4′‐g)(1,3)diazocine Derivatives.
Authors: RAHMAN L. K. A.
Published: May 2016

The cyanoimidothiocarbonates (I) react with 1,3‐dichloroacetone (II) to produce the bis(thiazolyl)ketones (IV) which are reduced to form (V).
ChemInform Abstract: Synthesis of Pyrimidino(4,5‐b)(1,5)benzodiazepin‐2‐ones and Pyrimidino‐(1,6‐a)benzimidazol‐1‐ones from 4‐Ethoxycarbonylamino‐1H‐1,5‐benzodiazepine‐3‐carbonitrile via 4‐(2‐Aminoanilino)pyrimidin‐2(1H)‐one‐5‐carbonitriles.
Authors: TAKAGI K. , AOTSUKA T. , MORITA H. , OKAMOTO Y.
Published: May 2016

The aminobenzodiazepine carbonitrile (I) is acylated to give (II) which reacts with the anilines (III) with ring contraction, producing the benzimidazoles (IV).
ChemInform Abstract: A Convenient Synthesis of Phosphorus and Sulfonyl Substituted N‐Imidazoles (Triazoles) Using the Corresponding Acid Chlorides and N‐Trimethylsilylimidazoles(triazoles).
Authors: DABKOWSKI W. , MICHALSKI J. , SKRZYPCZYNSKI Z.
Published: May 2016

The N‐substituted imidazoles and triazoles (III), (V), (VII), and (IX) are prepared by treating (I) with the corresponding acyl chlorides (II), (IV), (VI), or (VIII).
ChemInform Abstract: Arene Adducts with Weak Interactions: Hexaethylbenzene‐bis(tribromoarsine).
Authors: SCHMIDBAUR H. , BUBLAK W. , HUBER B. , MUELLER G. +
Published: May 2016

AsBr3 and hexaethylbenzene react in toluene at 20 °C to give the title compound (I), crystallizing in the space group R3 with Z=3.
ChemInform Abstract: Synthesis of the Four‐Membered Metallacycle (Cp2Ti(AsPh)3) via in situ Reduction of (Cp2TiCl2).
Authors: MERCANDO P. , DIMAIO A.‐J. , RHEINGOLD A. L.
Published: May 2016

The in situ reduction of titanocene dichloride (I) with Mg in the presence of cyclo‐(AsPh)6 in refluxing THF leads to the title compound (II).
ChemInform Abstract: Trimethylphosphine Complexes of Niobium(IV) and Tantalum(IV). Crystal, Molecular, and Electronic Structures of (M2Cl4(μ‐Cl)4(PMe3)4) (M: Nb or Ta).
Authors: BOYD P. D. W. , NIELSON A. J. , RICKARD C. E. F.
Published: May 2016

Reaction of NbCl4(THF)2 (II) or NbCl4(NCMe)3 (IV) with 3 equiv. of PMe3 gives the seven‐coordinate complex (I).
ChemInform Abstract: Axial Ligand Substitution Reactions of Phosphite Derivatives of Fe(II) Macrocyclic Complexes.
Authors: KHALIFA M. A.
Published: May 2016

Kinetic studies of ligand substitution reactions shown in the scheme are investigated.
ChemInform Abstract: Polynuclear Complexes of Cobalt(II) with 2‐Dipicolylamine and 2‐Aminomethylpyridine.
Authors: HUCHITAL D. H. , DEBESIS E.
Published: May 2016

The hypothesis that the blue color of basic anaerobic solutions of Co(II) with the title compounds is due solely to deprotonation of the ligand amine is modified.
ChemInform Abstract: Transition‐Metal Macrocyclic Complexes. Single‐Crystal X‐Ray Structure and Electrochemistry of the Bis‐macrocyclic Complex (Cu(L)2) (ClO4)2·2 H2O (L: 1,4,7‐Triazacyclononane).
Authors: BEVERIDGE A. D. , LAVERY A. J. , WALKINSHAW M. D. , SCHROEDER M. +
Published: May 2016

The title compound is obtained by reaction of Cu(NO3)2 with 1,4,7‐triazacyclononane in ethanol followed by addition of NaClO4 in 60% yield.
ChemInform Abstract: Investigation of Factors Stabilizing Formally Zerovalent Copper Macrocyclic Complexes.
Authors: BOND A. M. , KHALIFA M. A.
Published: May 2016

At platinum, gold, glassy‐carbon and mercury electrodes, two chemically reversible one‐electron reduction processes are observed in CH2Cl2 or Me2CO for complex (I).
ChemInform Abstract: Photoisomerization of Bis(bipyridine)rhodium(III) Complexes; Synthesis of trans‐(Rh(bpy)2YCl)n+ (Y: Cl, H2O).
Authors: KRUEGER G. + , WIELAND S. , VAN ELDIK R.
Published: May 2016

The transformation of the cis‐complexes (I) to the trans‐complexes (II) on a preparative scale is achieved by irradiation.
ChemInform Abstract: Reactivity of Fe3(μ3‐Te)2(CO)9 Towards Pt(PPh3)4.
Authors: MATHUR P. , MAVUNKAL I. J.
Published: May 2016

Equimolar reaction of the title cluster (I) and Pt(PPh3)4 leads to the formation of the Pt derivative (II) with loss of a Fe(CO)3 fragment.
ChemInform Abstract: Synthesis of 2‐Deoxy Sugars.
Authors: GIESE B. , GROENINGER K. S. + , WITZEL T. , KORTH H.‐G. , SUSTMANN R.
Published: May 2016

A new method for the preparation of 2‐deoxy sugars uses the rapid and irreversible rearrangement of radicals such as (II) (generated from the halide (I)) to the species (III).
ChemInform Abstract: The Preparation and Attempted Alkylation of Some 6‐Cyano‐carbohydrates.
Authors: JONES K. , WOOD W. W.
Published: May 2016

Reaction of the 6‐bromoglucoside (I) with tetrabutylammonium cyanide gives the nitrile (IIa).
ChemInform Abstract: Synthesis of 3‐Amino Sugars of the Daunosamine Type Through Hetero‐ Diels‐Alder Reaction of Enaminones.
Authors: TIETZE L. F. , VOSS E.
Published: May 2016

The vinyl ethers (I) are coupled with N‐acylenaminones (II) to give the isomeric adducts (III) and (IV).
ChemInform Abstract: Synthesis of the Mammea Coumarins. Part 2. Experiments in the Mammea E Series and Synthesis of Mammea E/AC.
Authors: CROMBIE L. , JONES R. C. F. , PALMER C. J.
Published: May 2016

The attempts to synthesize 4‐(1‐acetoxyproyl)dihydroxycoumarins using the same method which has been employed for syntheses in the mammea A, B, C coumarin series meet with limited success.
ChemInform Abstract: Synthetic Approaches Toward Naphthyridinomycin. Part 1. Stereoselective Synthesis of a Tetracyclic Intermediate.
Authors: FUKUYAMA T. , LAIRD A. A.
Published: May 2016

The stereoselective synthesis of (II), starting with (I), is described.
ChemInform Abstract: Plasma Deposited Silicon Nitride for Gallium Arsenide Encapsulation.
Authors: VALCO G. J. , KAPOOR V. J.
Published: May 2016

Annealing characteristics, composition, and physical properties of silicon nitride films deposited on ion implanted GaAs substrates have been investigated as a function of plasma deposition characteristics.
ChemInform Abstract: Electroless Deposition of Au:In Alloys for Ohmic Contacts Onto Pd‐Activated n‐GaAs Substrates.
Authors: LAMOUCHE D. , CLECHET P. , MARTIN J. R. , HAROUTIOUNIAN E. , SANDINO J. P.
Published: May 2016

The new electroless plating bath for the formation of In:Au alloy deposits contains, like Okinaka's gold plating bath, KBH4 as reducing agent, KAu(CN)2, KOH, and KCN, and additionally In2(SO4)3 (> 10‐4 M) and EDTA to stabilize In3+.
ChemInform Abstract: Photochemistry of (5,10,15,20‐Tetraphenylporphyrinato)iron(III) Halide Complexes, Fe(TPP)(X).
Authors: HENDRICKSON D. N. , KINNAIRD M. G. , SUSLICK K. S.
Published: May 2016

A near‐UV absorption in Fe(III)(TPP)(X) (where X: F, Cl, Br, I, N3) is assigned as a halide ligand‐to‐metal charge‐transfer transition.
ChemInform Abstract: Reactions of Trifluoromethylsulfenyl Fluoride with Olefins and Fluorinated Olefins.
Authors: GOMBLER W. , BOLLMANN G.
Published: May 2016

Trifluoromethylsulfenyl fluoride (II) reacts with propene (Ia) to yield the isomeric thioethers (III) and (IVa).
ChemInform Abstract: Enzymic Optical Resolution and Flash Vacuum Thermolysis in Concert for the Synthesis of Optically Active Cyclopentenones.
Authors: KLUNDER A. J. H. , HUIZINGA W. B. , SESSINK P. J. M. , ZWANENBURG B.
Published: May 2016

The cyclopentenonorbornenes (‐)‐(II), obtained by decarboxylation of (Ia), and (Ib) and (Ic) undergo addition reaction with the Grignard compouds (IIIa) and (IIIb) or the malonate (IIIc), yielding the substituted cyclopentanonorbornenes (IV) and (VI).
ChemInform Abstract: Facile Preparation of Two 5‐(α‐Acetoxyethyl)‐3‐quinuclidinones via Intramolecular Functionalization.
Authors: STOTTER P. L. , HILL K. A. , FRIEDMAN M. D.
Published: May 2016

The racemic quinuclidine alcohols (I) are transformed into the oxime acetates (III).
ChemInform Abstract: Synthetic and Biosynthetic Studies of Porphyrins. Part 11. The Synthesis of meso Oxygenated Protoporphyrins.
Authors: JACKSON A. H. , RAO K. R. N. , WILKINS M.
Published: May 2016

Treatment of protoporphyrin‐IX dimethyl ester (Ia) with benzoyl peroxide (II) affords a mixture of the four isomeric meso‐benzoyloxy derivatives (Ib)‐(Ie).
ChemInform Abstract: 9‐cis and 11‐cis Isomers of 18,18,18‐, 19,19,19‐, and 20,20,20‐Trifluororetinal.
Authors: MEAD D. , ASATO A. E. , DENNY M. , LIU R. S. H. , HANZAWA Y. , TAGUCHI T. , YAMADA A. , KOBAYASHI N. , HOSODA A. , KOBAYASHI Y.
Published: May 2016

The 9‐cis or 11‐cis isomers (VI) and (XII) of the all‐trans trifluororetinal (Ia) are prepared as shown in the reaction scheme.
ChemInform Abstract: IR Spectra of HF Complexes with Methane, Silane, and Germane
Authors: DAVIS S. R. , ANDREWS L.
Published: May 2016

indicate that two types of 1:1 complexes are formed in noble gas matrices: a normal one with H of HF interacting with one hydrogen of GeH4 or SiH4, and a reverse complex in which F is interacting with one hydrogen of CH4.
ChemInform Abstract: Lattice Parameters and Debye Temperatures of Ag‐Cd‐Zn(α‐Phase) Alloys.
Authors: BHIKSHAMAIAH G. , SURYANARAYANA S. V.
Published: May 2016

Six ternary alloys containing 2‐30 at.% Cd and 1‐20 at.% Zn (i.e.
ChemInform Abstract: A New Oxotellurate, Na4TeO5, and a Revision of the Structure of Li4TeO5.
Authors: UNTENECKER H. , HOPPE R.
Published: May 2016

Colourless single crystals of the title compounds have been prepared by reaction of the binary oxides (Na2O(Li2O):TeO3 = 2:1, 700 °C, 28 d (60 d), Ag‐cylinder).
ChemInform Abstract: Reaction of Scandium with Vanadium and Silicium (or Germanium).
Authors: KOTUR B. YA.
Published: May 2016

The Sc‐V‐Si and Sc‐V‐Ge systems are studied over the whole range of concentrations.
ChemInform Abstract: A Structural Study of the Complexation of the Lithium Ion by the Cryptand 4,7,13‐Trioxa‐1,10‐diazabicyclo(8.5.5)icosane.
Authors: ABOU‐HAMDAN A. , HOUNSLOW A. M. , LINCOLN S. F. , HAMBLEY T. W.
Published: May 2016

The crystal structure of the complex (I) is determined by a single‐crystal X‐ray diffraction analysis ( P21/n; Z=4).
ChemInform Abstract: Cyclopropane Stereomutation Catalyzed by One‐Electron Oxidants.
Authors: DINNOCENZO J. P. , SCHMITTEL M.
Published: May 2016

A cation radical chain mechanism is proposed for the rapid isomerization of (I) in the presence of the one‐electron oxidant (II).
ChemInform Abstract: Mechanistic Investigation of the Photoinitiated Autocatalytic Chain Decomposition (PACD) Reaction of Phenyl Azide and Derivatives.
Authors: JENKINS R. F. , WADDELL W. H. , RICHTER H. W.
Published: May 2016

The quantum yields of the disappearance of (I) increase with enhancement of the azide concentration.
ChemInform Abstract: 1H,2H‐ and 1H‐Cyclopropene‐3,3‐dicarboxylates and 1H,2H‐Cyclopropene3,3‐dicarboxylic Acid from the Corresponding Trimethylsilyl Derivatives.
Authors: DOLGII I. E. , OKONNISHNIKOVA G. P. , NEFEDOV O. M.
Published: May 2016

Starting with the trimethylsilyl‐protected cyclopropenedicarboxylates (I), obtained from the corresponding trimethylsilylacetylenes and dimethyl diazomalonate as described previously, the cyclopropenedicarboxylates (II) and the free acid (III) are prepared.
ChemInform Abstract: Synthesis of 2‐Indanones by Intramolecular Insertion of α‐Diazoketones.
Authors: NAKATANI K.
Published: May 2016

1‐Phenylcyclohexanecarboxylic acid (Ia) is transformed into the diazoketone (Ib) which cyclizes in the presence of dirhodium tetraacetate to give the spirocyclus (II).
ChemInform Abstract: Formation of Thiazoline Derivatives in the Reaction of Thiourea with 2‐Bromo‐3‐aminopropionic Acid.
Authors: GOLUBEV A. A. , SEMENENKO M. N. , MANDRUGIN A. A. , FEDOSEEV V. M.
Published: May 2016

α‐Bromo‐β‐alanine (II), prepared by bromination of β‐alanine (I), reacts with thiourea (III) to give the inner salt (IV) or the isothiuronium salts (V) or (VI), depending on the solvent and the reaction conditions.
ChemInform Abstract: Formation of Germanium‐Nitrogen Double Bonds in Reactions of the Electron‐Rich Germylene Bis(bis(trimethylsilyl)amido)germanium(II) with a Range of Diazo‐Compounds.
Authors: GLIDEWELL C. , LLOYD D. , LUMBARD K. W.
Published: May 2016

The electron‐rich germylene (II) reacts with the diazo‐compounds (I), which contain an enolizable function, to yield the heterocycles (III).
ChemInform Abstract: New Allylstannanes for the Connective Construction of Monoprotected Vicinal Diols.
Authors: KECK G. E. , ABBOTT D. E. , WILEY M. R.
Published: May 2016

The vinyl ethers (I) are transformed to the stannyl derivatives (III) which are coupled to some aldehydes, yielding adducts such as (V), (X), (XII), and (XIII) with strong stereoselectivity.
ChemInform Abstract: Synthetic, Spectroscopic, and X‐Ray Crystallographic Studies on Binuclear Copper(II) Complexes with a Tridentate NNS‐Bonding 2‐Formylpyridine Thiosemicarbazone Ligand. Characterization of Both Neutral and Deprotonated Coordinated Ligand Structures.
Authors: BINGHAM A. G. , BOEGGE H. + , MUELLER A. + , AINSCOUGH E. W. , BRODIE A. M.
Published: May 2016

The preparation of the complexes (I) occurs by interaction of 2‐formylpyridine thiosemicarbazone HL with the appropriate Cu(II) salt or by reaction of an HL‐KX mixture (X: Br, I) with Cu(II) acetate monohydrate.
ChemInform Abstract: Synthesis and Characterization of a Mixed Metal A‐Frame Complex: Pd2(μ‐Pt(PPh3)2)Cl2(PMe2CH2PMe2)2.
Authors: NI J. , KUBIAK C. P.
Published: May 2016

The insertion of a Pt(PPh3)2 fragment, which is isolobal with CH2, into the highly reactive Pd‐Pd single bond of the complex (I) yields the first heteronuclear A‐frame complex (III).
ChemInform Abstract: Preparation, Characterization and Reactivity of a Series of Diethylenetriamine (dien) and Substituted dien Complexes of Platinum(II).
Authors: MAHAL G. , VAN ELDIK R.
Published: May 2016

The preparation and characterization of the isolated chloro complexes (I) and (II) and the hydroxo and aquo complexes (III) and (IV) in solution are reported.
ChemInform Abstract: Synthesis of a Nickel(II) B,C,D‐Hexadehydrocorrinate by (A → D)‐Ring Closure.
Authors: MONTFORTS F.‐P. , BATS J. W.
Published: May 2016

The Ni complex (I) is converted to the protected secocorrin (IV), which undergoes cyclization to the title compound (V).
ChemInform Abstract: Selective Amide Cleavage in Peptides Containing α,α‐Disubstituted α‐Amino Acids.
Authors: WIPF P. , HEIMGARTNER H.
Published: May 2016

The dipeptide amides (III) are prepared in excellent yields by reaction of the amino acids (II) with the aziridines (I) as amino acid amide equivalents.
ChemInform Abstract: Total Synthesis of D,L‐Purpurosamine C.
Authors: GOLEBIOWSKI A. , JACOBSSON U. , CHMIELEWSKI M. , JURCZAK J.
Published: May 2016

Pressure‐promoted and Eu(fod)3‐catalyzed (4 + 2) cycloaddition of (I) with (II), followed by cis/trans isomerization, gives the dihydropyran (III) in high yield.
ChemInform Abstract: Iterative Butenolide Construction of Polypropionate Chains.
Authors: STORK G. , RYCHNOVSKY S. D.
Published: May 2016

In order to obtain a method for the construction of sequences of alternating secondary methyl and hydroxyl groups, which are typical for a series of macrolide antibiotics, model reactions are investigated.
ChemInform Abstract: Stereoselective Synthesis of 1‐β‐Methylcarbapenem.
Authors: KIM C. U. , LUH B. , PARTYKA R. A.
Published: May 2016

The silyl enol ether (II) reacts with the azetidinone (I) in the presence of trimethylsilyl triflate (III) to produce the isomers (IV) which cyclize, yielding the bicyclic derivative (V).
ChemInform Abstract: 7Li NMR Studies in Chevrel Phases LixMo6X8
Authors: ASELMANN G. , MUELLER‐WARMUTH W. + , GOCKE E. , SCHOELLHORN R. +
Published: May 2016

(X: S and Se).
ChemInform Abstract: Experimental Evaluation of Adsorption Behavior of Intermediates in Anodic Oxygen Evolution at Oxidized Nickel Surfaces
Authors: CONWAY B. E. , LIU T.
Published: May 2016

by means of digital acquisition and the potential‐decay method.
ChemInform Abstract: Electrochemical Behaviour of Aluminium in Aqueous Caustic Solutions
Authors: BROWN O. R. , WHITLEY J. S.
Published: May 2016

(KOH) has been investigated at room temp. and can be described in terms of the simple (Vetter) model for an oxide‐covered electrode, modified to involve varying degrees of hydration and the possibility of transient surface roughening.
ChemInform Abstract: Osmium Tetroxide as a Redox Catalyst. Mechanism of OsO4‐Catalyzed Decomposition of Hydrogen Peroxide.
Authors: CSANYI L. J. , GALBACS Z. M. , NAGY L. , HORVATH I.
Published: May 2016

On the basis of experimental data from the literature, a unified mechanism for the title reaction is proposed.
ChemInform Abstract: Platinum Catalysed Thallium(III) Oxidation of Vanadium(IV) in Aqueous Sulphuric Acid
Authors: CHIMATADAR S. A. , NANDIBEWOOR S. T. , RAJU J. R.
Published: May 2016

at 70 °C. It is demonstrated that the second order rate constant of the title reaction increases in the presence of bright Pt metal.
ChemInform Abstract: Iron(II) Cobalt Ferrites. Preparation and Interfacial Behaviour.
Authors: ARDIZZONE S. , CHITTOFRATI A. , FORMARO L.
Published: May 2016

A series of CoxFe3‐xO4 compounds with 0.25 < x < 1 has been prepared by a wet procedure (controlled oxidation of ferrous ions by alkaline KNO3 in the presence of variable amounts of Co2+) and the phase purity and Co/Fe ratio has been determined.
ChemInform Abstract: Structural Studies of Mesogen Benzalazine Derivatives. Part 1. Semiempirical MO Calculations (CNDO/2, MNDO) on Intramolecular H‐Bond and Vicinal Interactions
Authors: ELGUERO J. , JAIME C. , MARCOS M. , MELENDEZ E. , SANCHEZ‐FERRANDO F. , SERRANO J. L.
Published: May 2016

(e.g.
ChemInform Abstract: Ketene. Part 25. Mechanistic Studies of the Reaction of Nitrile Oxides with Ketenes.
Authors: EVANS A. R. , TAYLOR G. A.
Published: May 2016

At room temp. the cycloaddition of the nitrile oxide (I) and the ketene (II) leads in addition to (V) to the thermally stable adduct (IV), which bears the isotopic label predominantly, but not exclusively, in the carbonyl group.
ChemInform Abstract: Heterocyclic Compound Studies. Part 2. Synthesis of 1,4‐Benzodioxin, 1,4‐Benzoxathiin, 1,4‐Benzoxazine, and 1,4‐Benzothiazine Derivatives.
Authors: CABIDDU S. , FLORIS C. , MELIS S. , SOTGIU F. , CERIONI G.
Published: May 2016

The o‐substituted phenols (I) are coupled with methyl 4‐chlorobutynoate (II) or methyl 4‐bromobutenoate (VII), yielding the benzo‐fused heterocycles (III) ‐ (VI) or (VIII) and (IX).
ChemInform Abstract: Synthesis and Diels‐Alder Reactions of Dieno‐pyranosides.
Authors: GIULIANO R. M. , BUZBY J. H.
Published: May 2016

Oxidation and simultaneous elimination of the mesylate (Ic), prepared from the known glycoside (Ia) via its derivative (Ib), gives the enal (IIIa).
ChemInform Abstract: Iodination of Aryltrimethylsilanes: A Mild Approach to Iodophenylalanine.
Authors: WILSON S. R. , JACOB L. A.
Published: May 2016

Upon treatment with iodine and silver salts, the silyl group in the aryltrimethylsilanes (I) is replaced by iodine.
ChemInform Abstract: Purported Structure of Cyclodeca(1,2,3‐de:6,7,8‐d′e′)dinaphthalene.
Authors: GLEITER R. , SCHAAFF H. P. , RODEWALD H. , JAHN R. , IRNGARTINGER H.
Published: May 2016

The elimination reaction of the bis(sulfonium salt) (I) yielded the main products (II) and (III) in approximately equal amounts together with a small trace of zethrene (IV).
ChemInform Abstract: The Structure of the Product Obtained by the Reaction of 2‐Hydroximino‐3‐oxo‐5‐phenyl‐4‐pentenenitrile with Ethylcyanoacetate.
Authors: HEINISCH G. , HOLZER W. , VOELLENKLE H. +
Published: May 2016

The product of the title reaction is proved to be the pyrrolinone (II), having Z‐configuration at the extracyclic double bond.
ChemInform Abstract: Reaction of Benzamide Oxime with DCC.
Authors: KAWASHIMA E. , TABEI K.
Published: May 2016

Reaction of benzamide oxime (I) with dicyclohexylcarbodiimide (II) yields the oxadiazole (III), the guanidine (IV), and the dicyclohexyl urea (V).
ChemInform Abstract: Transannular Addition of α‐Lithio Sulfoxides to Inactivated Double Bonds. Regio‐ and Stereochemical Aspects.
Authors: CERE V. , PAOLUCCI C. , POLLICINO S. , SANDRI E. , FAVA A.
Published: May 2016

On treatment with butyllithium the (RR,SS)‐sulfoxide (Ia) yields the bicyclic isomer (II) as the only product.
ChemInform Abstract: Synthesis and Reactions of 3‐Iodo‐4H‐pyran‐4‐ones.
Authors: MAREI M. G. , MISHRIKEY M. M. , EL‐KHOLY I. E.
Published: May 2016

The acetylenic β‐diketones (I) and iodine monochloride form the 3‐iodo4‐H‐pyran‐4‐ones (III) which react with methylamine (V) to give the pyridones (VI).
ChemInform Abstract: Synthetic Studies on the Streptogramin Antibiotics. Enantioselective Synthesis of the Oxazole Dienyl Amine Moiety.
Authors: MEYERS A. I. , LAWSON J. P. , WALKER D. G. , LINDERMAN R. J.
Published: May 2016

Compound (X) contains the oxazoledienylamine moiety which is typical of several streptogramin antibiotics.
ChemInform Abstract: Synthesis and Transformations of Some Pyrido(2,3‐d)pyrimidines.
Authors: KOCEVAR M. , KOLLER J. , STANOVNIK B. , TISLER M.
Published: May 2016

The syntheses of the pyrido(2,3‐d)pyrimidine oxides (IV) and (IX) and of the pyrido(2,3‐d)pyrimidines (V), (VIII) and (X) are described.
ChemInform Abstract: o‐Nitrobenzylidene Compounds. Part 4. The Cyanide‐Induced Cyclization of o‐Acetamido‐N‐(o‐nitrobenzylidene)anilines: an Improved Route to Quinoxalino(2,3‐c)cinnolines.
Authors: SHEPHERD T. , SMITH D. M.
Published: May 2016

Cyclization of the acetamides (I) with KCN (II) leads to the quinoxalino‐cinnolines (III).
ChemInform Abstract: Reactivity of 3H‐Pyrimido(5,4‐c)(1,2,5)oxadiazin‐3‐one Towards Carbanions: Synthesis of Pteridine‐2,4‐diones.
Authors: GIORI P. , POLI T. , VERONESE A. C. , VICENTINI C. B. , MANFRINI M. , GUARNERI M.
Published: May 2016

The pyrimidooxadiazinone (III), prepared by cyclization of 1,3‐dimethyl‐4‐amino‐5‐nitrosouracil (I) with dimeric phosgene (II), is coupled with the carbonyl compounds (IV) or (VI), producing the pteridine‐2,4diones (V) or (VII).
ChemInform Abstract: Synthesis of 11‐Aza‐5H‐benzophenoxazin‐5‐one and 11‐Aza‐5H‐pyridophenoxazin‐5‐one Derivatives.
Authors: NAN'YA S. , MAEKAWA E. , KANG W.‐B. , UENO Y.
Published: May 2016

The benzophenoxazinones (III) and (IV) are prepared by condensation reaction of 2‐amino‐3‐hydroxypyridine (I) with the 1,4‐naphthoquinones (II).
ChemInform Abstract: Synthesis of 4‐(2‐Acetoxyethoxymethyl)‐6‐methyl‐1,2,4‐triazin‐3(4H)‐one 1‐Oxide as Thymidine Analogue.
Authors: BANIJAMALI A. R. , FOYE W. O.
Published: May 2016

Chloromethoxyethyl acetate (IIa), prepared from 1,3‐dioxolane (I), is converted to the isothiocyanate (IIb) which is coupled with hydrazine to form the thiosemicarbazide (IIc).
ChemInform Abstract: Hydroboration. Part 79. Preparation and Properties of Methylborane and Dimethylborane and Their Characteristics as Hydroborating Agents. Synthesis of Tertiary Alcohols Containing Methyl Groups via Hydroboration.
Authors: BROWN H. C. , COLE T. E. , SREBNIK M. , KIM K.‐W.
Published: May 2016

Methylborane (IIa) and dimethylborane (IIb) are prepared by treatment of the lithium borohydrides (I) with hydrogen chloride.
ChemInform Abstract: Chiral Lewis Acids. Haloorganotins Bearing Chiral Organic Groups.
Authors: KRISHNAMURTI R. , KUIVILA H. G.
Published: May 2016

(‐)‐Carvone (I), (+)‐verbenone (IV), and the (‐)‐myrtenic acid ester (VIII) react with trimethylstannyllithium (II) to give the optically active Michael addition products (III), (V), and (IX).
ChemInform Abstract: Phosphorylation of Isoprenoid Alcohols.
Authors: DAVISSON V. J. , WOODSIDE A. B. , NEAL T. R. , STREMLER K. E. , MUEHLBACHER M. , POULTER C. D.
Published: May 2016

The homoallylic (I) and allylic (Va) isoprenoid alcohols are activated as tosylates (II) or halides (Vb) and then coupled with tris(tetra‐n‐ butylammonium) hydrogen pyrophosphate (III) to yield the diphosphates (IV) and (VI).
ChemInform Abstract: Synthesis and Biological Activity of Substance P Analogues Containing Pyrohomoglutamic Acid and Homoglutamine.
Authors: HASHIMOTO T. , SAKURA N. , HIROSE K. , UCHIDA Y. , NISHIJIMA M. , MORO T.
Published: May 2016

The peptides (I)‐(VIII) are synthesized by the solid phase method.
ChemInform Abstract: Synthesis of Substrates of Cyclic AMP‐Dependent Protein Kinase and Use of Their Protected Precursors for the Convenient Preparation of Phosphoserine Peptides.
Authors: GREHN L. , FRANSSON B. , RAGNARSSON U.
Published: May 2016

The synthesis of the peptides (Ia), (IIa)‐(IId) as substrates of cyclic AMP‐dependent protein kinase, based on a partial amino acid sequence from rat liver pyruvate kinase, as well as of related phosphoserine peptides (Ib), (Ic) is described.
ChemInform Abstract: Synthesis of Carbohydrate Epoxides Under Phase‐Transfer Conditions.
Authors: SZEJA W.
Published: May 2016

The acyclic sugar diols (I) and (III) are treated with tosyl chloride under phase‐transfer conditions to give the corresponding epoxides (II) and (IV) respectively.
ChemInform Abstract: Total Synthesis of the Indole Alkaloids Ngouniensine and Epingouniensine.
Authors: BOSCH J. , BENNASAR M.‐L. , ZULAICA E. , MASSIOT G. , MASSOUSSA B.
Published: May 2016

5‐Ethylpyridine‐2‐carboxylic acid (I) is hydrogenated and esterified to give the mixture of hexahydropyridinecarboxylic acid esters (II) which is also obtained from the compound (III).
ChemInform Abstract: The 2‐Thioanalogues of tRNA Components Derived from 5‐Hydroxyuridine.
Authors: MALKIEWICZ A. J. , NAWROT B.
Published: May 2016

The synthesis of 5‐ethoxycarbonylmethoxy‐2‐thiouracil (IIIb), starting from ethyl hydroxyacetate (I), is described.
ChemInform Abstract: Condensed Tannins: Base‐Catalyzed Reactions of Polymeric Procyanidins with Toluene‐α‐thiol. Lability of the Interflavanoid Bond and Pyran Ring.
Authors: LAKS P. E. , HEMINGWAY R. W.
Published: May 2016

Reaction of loblolly pine bark tannins with the title reagent (II) at pH 12 is investigated for the example (I).
ChemInform Abstract: Electrochemical and Spectroscopic Methods of Characterizing Lead Corrosion Films.
Authors: BULLOCK K. R.
Published: May 2016

Review: Traditional and several novel methods for studying lead corrosion films including laser Raman spectroscopy, photocurrent and photoacoustic spectroscopy and solid state electrochemistry, are reviewed.
ChemInform Abstract: Chemistry of Phosphorus. Part 170. Constitutional and Configurational Isomers of Hexaphosphane(8), P6H8.
Authors: HAHN J. , RIEKEHOF‐BOEHMER R. + , BAUDLER M.
Published: May 2016

The six diastereomers of P6H8 outlined below have been identified by 31P(1H) NMR spectroscopy of a phosphane mixture containing 5‐10 P‐% of P6H8 (obtained by thermolysis of P2H4).
ChemInform Abstract: Raman Spectroscopic Study of the Synthesis of Zeolite Y.
Authors: DUTTA P. K. , SHIEH D. C. , PURI M.
Published: May 2016

The vibrational data of the solution and solid phases during zeolite Y formation indicate the presence of six‐membered aluminosilicate rings during nucleation, which act as building blocks.
ChemInform Abstract: Nonstoichiometry and Electrical Resistivity in Two Mixed Metal Oxides, La2NiO4‐x and LaSrNiO4‐x.
Authors: ISHIKAWA K. , KONDO S. , OKANO H. , SUZUKI S. , SUZUKI Y.
Published: May 2016

The electrical resistivity of the title compounds has been measured as a function of the oxygen‐vacancy concentration, x (473‐1173 K, O2 pressure of 98‐58·103 Pa).
ChemInform Abstract: Aluminium Speciation Studies in Biological Fluids. A New Investigation of Aluminium Hydroxide Equilibria Under Physiological Conditions
Authors: VENTURINI M. , BERTHON G.
Published: May 2016

(37 °C, 0.15 M aqueous NaCl).
ChemInform Abstract: Rubidium Hexaamidolanthanate and ‐neodymate, Rb3(La(NH2)6) (I) and Rb3(Nd(NH2)6) (II); Compounds Structurally Related to K3(Cr(OH)6) and K4CdCl6.
Authors: JACOBS H. , STUEVE C. +
Published: May 2016

(I) and (II) have been prepared by reaction of the metals with NH3 (Rb:La (Nd) = 3:1, 4‐4.5 kbar NH3, 573 K).
ChemInform Abstract: Tyrosyl Motion in Peptides: 2H NMR Line Shapes and Spin‐Lattice Relaxation.
Authors: RICE D. M. , MEINWALD Y. C. , SCHERAGA H. A. , GRIFFIN R. G.
Published: May 2016

2H quadrupole echo NMR line shapes and spin‐lattice relaxation times are measured for two crystalline tyrosine‐containing peptides, N‐acetyl‐L‐prolyl‐L‐tyrosine‐d2‐N'‐methylamide and N‐acetyl‐L‐asparaginyl‐L‐prolyl‐L‐tyrosine‐d2‐N'‐methylamide.
ChemInform Abstract: Rehybridization and π‐Orbital Overlap in Nonplanar Conjugated Organic Molecules: π‐Orbital Axis Vector (POAV) Analysis and Three‐Dimensional Hückel MO (3D‐HMO) Theory.
Authors: HADDON R. C.
Published: May 2016

A detailed analysis is presented in terms of electronic structure calculations on torsionally twisted ethylene using HF/STO‐3G, GVB/STO‐3G, GVB/6‐31G, and GVB/6‐31G* levels.
ChemInform Abstract: Metal Complexes with Tetrapyrrole Ligands. Part 44. Configuration and Conformation of the anti‐5,15‐Dialkyl‐2,3,7,8,12,13,17,18‐octaethyl‐5H,15H‐porphodimethenes (Decaalkylporphodimethenes).
Authors: BOTULINSKI A. , BUCHLER J. W. , ABBES N. E. , SCHEIDT W. R.
Published: May 2016

On the basis of a crystal structure analysis of (Ib) (R: ‐iPr) (P21/a with Z=2) and 1H NMR data the "normal" compounds (Ia) are assigned to the syn‐axial ("aa") configuration, whereas the three "anomalous" isomers (Ib) are assigned to the anti ("dd") configuration.
ChemInform Abstract: Mechanism of Base‐Induced Gas‐Phase Elimination Reactions of Ethers.
Authors: DE KONING L. J. , NIBBERING N. M. M.
Published: May 2016

For the base‐induced gas‐phase elimination reactions of (I), cis‐(IIa) and trans‐(IIb) the kinetic isotope and leaving group effects are determined as functions of the base strength (NH2‐, MeNH‐, EtNH‐, OH‐) using the FT ICR MS method.
ChemInform Abstract: Selectivity of Anionic Activation by Fluoride Ion in Solid‐Liquid Systems. Synthesis of Tetramic Acids and 4‐Methylene‐1,3‐oxazolidin‐2‐ones.
Authors: SEBTI S. , FOUCAUD A.
Published: May 2016

When the reaction method A) is used, title compounds of type (II) and (VI) can be synthesized in good yields as shown in the scheme.
ChemInform Abstract: Transition Metal Promoted Intramolecular Cyclizations of α,α‐Dichloro Esters and Acids.
Authors: HAYES T. K. , FREYER A. J. , PARVEZ M. , WEINREB S. M.
Published: May 2016

Cyclization of the unsaturated α,α‐dichloro acids or esters (I) in the presence of the catalysts (II) yields the monocyclic carboxylic acid derivatives (III) and/or the bicyclic γ‐lactones (IV).
ChemInform Abstract: Diastereoselective Ene Reaction in the Photooxygenation of the Silyl Cyanohydrins of α,β‐Unsaturated Aldehydes: Necessity for a Common Symmetrical Intermediate of the Perepoxide Type.
Authors: ADAM W. , CATALANI L. H. , GRIESBECK A.
Published: May 2016

Photooxygenation of the isomeric cyanohydrins (III), derived from senecialdehyde (Ia) or tiglaldehyde (Ib), yields the hydroperoxides (V) as the main products resulting from ene reaction.
ChemInform Abstract: Sulfinic Acids and Related Compounds. Part 18. Synthesis and Properties of Derivatives of 2‐Mercaptoethanesulfinic Acid.
Authors: HARMON J. P. , FIELD L.
Published: May 2016

Thiirane‐1,1‐dioxide (I) proves to be a versatile starting material for the synthesis of sulfinic acid derivatives such as (VI) and sulfones such as (V) and (X).
ChemInform Abstract: Syntheses of 5‐, 7‐, and 8‐Methoxy‐3‐methyl‐2‐tetralone.
Authors: JOHANSSON A. M. , MELLIN C. , HACKSELL U.
Published: May 2016

The tetralone derivatives (VII) mentioned in the title are prepared by three different methods as shown in the reaction scheme: either starting with the dimethoxy naphthalenes (I) by Birch reduction, cyclopropanation and subsequent hydrolysis or by methylation, reduction and hydrolysis or from the α‐methylindanones (VIII) by Wittig olefination and Tl(NO3)3‐induced ring expansion.
ChemInform Abstract: Benzothieno(2,3‐b)indole and Pyridothieno(2,3‐b)indole.
Authors: LEVY J. , ROYER D. , GUILHEM J. , CESARIO M. , PASCARD C.
Published: May 2016

The title compounds (VI) and (IX) (X‐ray analysis: space group P212121, Z=12) containing the thieno(2,3‐b)indole skeleton, which has been little investigated until now, can be obtained by the pathways shown in the scheme.
ChemInform Abstract: Catecholamines in a Semi‐Rigid Framework: Synthesis and Biological Activities of N‐Substituted 1‐Aminomethyl‐5,6‐ and 6,7‐Dihydroxyisochromans.
Authors: KUMAR A. , KHANNA J. M. , JAIN P. C. , ANAND N. , SRIMAL R. C. , KOHLI J. D. , GOLDBERG L.
Published: May 2016

Title compounds of type (I) (40‐71%) and (II) (38‐70%) are synthesized by O‐demethylation of the corresponding dimethyl ethers with BBr3 and screened for their pharmacological activity.
ChemInform Abstract: Azo Bridges from Azines. Part 6. Substituted Isopyrazoles as Electron Deficient Dienes for the Synthesis of 2,3‐Diazabicyclo(2.2.1)heptenes and Their Photochemistry.
Authors: BECK K. , HUENIG S. +
Published: May 2016

The (4+ + 2) cycloaddition of (I) and (II) yields the endo‐adducts (III) and ‐ as main products ‐ the exo adducts (IV).
ChemInform Abstract: Pentacoordinated Molecules. Part 69. Steric Hindrance in Pentacoordinated Fluorosilicates. Synthesis and Molecular Structure of the Diphenyl‐1‐naphthyldifluorosilicate Anion and the Phenylmethyltrifluorosilicate Anion.
Authors: HARLAND J. J. , PAYNE J. S. , DAY R. O. , HOLMES R. R.
Published: May 2016

The title anions are prepared according to the reaction scheme and are isolated as their ammonium salts (III) or tris(dimethylamino)sulfonium salt (VII).
ChemInform Abstract: Esters and Hydrazides of Phosphorylated Hydroxy‐ and Methoxyphenylpropionic Acids.
Authors: ISMAGILOV R. K. , MOSKVA V. V. , IVANTSOV A. E. , ZADORNAYA A. B. , ZYKOVA T. V. , SHAGVALEEV F. SH.
Published: May 2016

Addition reaction of the phosphinite (IIa) or the phosphite (IIb) with the cinnamic acids (I) gives the phosphorylated esters (III).
ChemInform Abstract: Synthesis of Two New 1,3,2,4‐Diazadiphosphetidine‐Based Phosphazane Oligomers: ((PhNH)P2(NPh)2)2NPh and ((PhNH)PNPh)3.
Authors: THOMPSON M. L. , TARASSOLI A. , HALTIWANGER R. C. , NORMAN A. D.
Published: May 2016

Studies at different conditions show that the PCl3‐PhNH2 reaction involves stepwise formation of P(NHPh)3, PhN(P(NHPh)2)2, (III), and the title compound (IV) enroute to the dinuclear title compound (V).
ChemInform Abstract: C‐H Activating Reactions of Thoracyclobutanes. Routes to Unusual Actinide‐Transition Metal μ‐Methylene Complexes.
Authors: SMITH G. M. , SABAT M. , MARKS T. J.
Published: May 2016

The reaction of the thoracyclobutane compound (I) with the group 4 dimethylmetallocenes (II) yields the μ‐methylene complexes (III) having a metallated cyclopentadienyl ring.
ChemInform Abstract: Preparation of Organo‐Tin Compounds with tert‐Butyl Groups at the Tin Atom Using a Magnesium‐Organic Synthesis.
Authors: GIRBASOVA N. V. , BOGORADOVSKII E. T. , ZAVGORODNII V. S. , PETROV A. A.
Published: May 2016

Treatment of the halostannanes (I), (V), (VIII), (IX), and (XIIb) with the Grignard reagents (II) or (VI) gives the alkylation products (VII), (X), or (XI), the distannanes (III) and (XIII) or the transhalogenation products (XV) and (XIIc), depending on the nature and the number of the halogen atoms at the tin atom.
ChemInform Abstract: Nickelacyclobutabenzene Through Oxidative Addition of 7,7‐Bis(trimethylsilyl)cyclopropabenzene to Nickel(0) Complexes.
Authors: KRUEGER C. + , LAAKMANN K. , SCHROTH G. , SCHWAGER H. , WILKE G.
Published: May 2016

The cyclopropabenzene (III) is prepared from (I) and converted to the nickelacyclobutabenzene derivatives (VI).
ChemInform Abstract: Reaction of ortho‐Palladinated N,N‐Dimethylbenzylamines with Methyl Vinyl Ketone. Crystal Structure of 1‐(Acetonyl)‐2,2‐dimethylisoindolinium Tetrachloropalladate(II).
Authors: SAKODYNSKAYA I. K. , RYABOV A. D. , ELISEEV A. V. , DVORYANTSEV S. N. , YATSIMIRSKII A. K. , KUZ'MINA L. G. , STRUCHKOV YU. T.
Published: May 2016

The palladium complexes (I) react with methyl vinyl ketone (II) to produce the substituted benzalacetones (III), the complexes (IV), and the isoindolinium salts (V).
ChemInform Abstract: Reactivity of Pentaammineosmium(II) with Benzene.
Authors: HARMAN W. D. , TAUBE H.
Published: May 2016

When the Os compound (I) is reduced by Mg in the presence of excess benzene, the complex (II) is obtained.
ChemInform Abstract: Tetranortriterpenoid Lactams with Insect Antifeeding Activity from Azadirachta indica A. Juss (Meliaceae).
Authors: KRAUS W. , KLENK A. , BOKEL M. , VOGLER B.
Published: May 2016

The constituents salannolactam‐(21) (Ia) and salannolactam‐(23) (Ib) are isolated from the title species and identified by their spectral data.
ChemInform Abstract: A Convenient Synthesis of Polyoxamic Acid, 5‐O‐Carbamoylpolyoxamic Acid, and Their Unnatural D Isomers.
Authors: SAKSENA A. K. , LOVEY R. G. , GIRIJAVALLABHAN V. M. , GANGULY A. K. , MCPHAIL A. T.
Published: May 2016

Starting with the L‐threose derivative (I), the allyl trichloroacetimidate (IV) is prepared and thermally converted to a mixture of the diastereomeric amides (Va) and (Vb).
ChemInform Abstract: A General and Practical Synthesis of (R)‐Phthalimido Aldehydes and D‐α‐ Amino Acids from D‐Mannitol.
Authors: MULZER J. , ANGERMANN A. , SCHUBERT B. , SEILZ C.
Published: May 2016

The D‐α‐amino acids (VII) are prepared from the glyceraldehyde (I) as shown in the reaction scheme.
ChemInform Abstract: “Naked Sugars” as Synthetic Intermediates. Total Synthesis of L‐Daunosamine.
Authors: WARM A. , VOGEL P.
Published: May 2016

The key steps in the synthesis of optically pure L‐daunosamine (V) are 1. the regioselective addition of phenylselenenyl chloride to the "naked sugar" (+)‐(I), followed by oxidative elimination, yielding (II), 2. the conversion of (II) to the endo‐chloroketone (III), and 3. methylation of the latter, producing mainly (IV).
ChemInform Abstract: Chemical Constituents of Rutaceous Plants. Part 62. Efficient Synthesis of Fagaronine, a Phenolic Benzo(c)phenanthridine Alkaloid with Antileukaemic Activity.
Authors: ISHII H. , CHEN I.‐S. , ISHIKAWA T.
Published: May 2016

Fagaronine chloride (XIII) is synthesized starting from isovanillin (I).
ChemInform Abstract: Organopalladium Approaches to Prostaglandins. Part 5. Synthesis of Bicyclic and Tricyclic Prostanoic Acids and Thiophene‐Containing Prostaglandin Endoperoxide Analogues via Thienylpalladation of Bicyclic Alkenes.
Authors: LAROCK R. C. , LEACH D. R. , BJORGE S. M.
Published: May 2016

The thienylmercurials (III), prepared from the thiophene derivative (I), are coupled with norbornene or norbornadiene in the presence of Pd chloro complexes, yielding the products (V) or (XII).
ChemInform Abstract: Amino Acids as Precursors of Chiral Synthons. Part 4. Diastereoselective Synthesis of Enantiomerically Pure Alcohols: Preparation of (+)‐Exobrevicomine.
Authors: LARCHEVEQUE M. , LALANDE J.
Published: May 2016

The acid chloride (I), derived from glutamic acid, is transformed to the derivatives (III) which are reduced with LiBH(iBu)3 to give the title alcohols (IV).
ChemInform Abstract: Pheromones via Organoboranes. Part 2. Vinylic Organoboranes. Part 8. Applications of the General Stereoselective Synthesis of (E)‐Disubstituted Alkenes via Thexylchloroborane‐Dimethyl Sulfide to the Synthesis of Pheromones Containing an (E)‐Alkene Moiety.
Authors: BROWN H. C. , LEE H. D. , KULKARNI S. U.
Published: May 2016

The E‐alkenyl pheromones (IV) are prepared by a one‐pot procedure which consists in the borane (II)‐mediated reaction of the alkenyl acetates (I) with the 1‐haloalkynes (III).
ChemInform Abstract: Report of the Electrolytic Industries for the Year 1985
Authors: SPORE E. , TILAK B. V.
Published: May 2016

Review: (production, plant capacities, consumption, markets and trends, raw materials, new development, and health and environmental issues in the electrolytic industries.
ChemInform Abstract: Formation and Transformation of ZnTiO3.
Authors: YAMAGUCHI O. , MORIMI M. , KAWABATA H. , SHIMIZU K.
Published: May 2016

The amorphous product of the simultaneous hydrolysis of Zn(C5H7O2)2 and Ti(iPrO)4 crystallizes at 600‐765 °C yielding a cubic phase which is tentatively denoted as Zn2Ti3O8 and determined to be a low‐temp.
ChemInform Abstract: Dynamic and Static Quenching of the Luminescence of Ruthenium(II) Polypyridine Complexes by Heteropolytungstate Anions. Direct Measurements of Intramolecular Electron‐Transfer Rate Constants.
Authors: BALLARDINI R. , GANDOLFI M. T. , BALZANI V.
Published: May 2016

The quenching of the luminescence emission intensity and lifetime of (I) and (II) by the heteropolytungstate anions (Mn(OH)PW11O39)6‐ and (Co(H2O)SiW11O39)6‐ has been studied in aqueous solutions.
ChemInform Abstract: Exchange Interaction in Multinuclear Transition‐Metal Complexes. Part 10. Bridging and Twist Angle Dependence of Magnetic Coupling in Doubly Bridged Copper(II) Dimers. X‐Ray Structure of Bis(chloro(N‐phenyl(2‐hydroxybenzylidene)aminato‐N,μ‐O)copper(II)).
Authors: CHIARI B. , PIOVESANA O. , TARANTELLI T. , ZANAZZI P. F.
Published: May 2016

The title complex (I), prepared by a modified literature method, crystallizes in the space group P1 and contains one dimeric molecule in the unit cell.
ChemInform Abstract: Structure and Basicity. Part 10. Conductometric and Potentiometric Titrations of Some Cyclotriphosphazatrienes in Non‐Aqueous Media. The Conductivities of Alkali‐Metal Acetates on Titration with Perchloric Acid in Acetic Acid.
Authors: GUENDUEZ N. + , GUENDUEZ T. + , KILIC E. , OEZTAS S. G. + , TUEZUEN M. + , SHAW L. S. , SHAW R. A.
Published: May 2016

Conductometric titrations of the derivatives (I)‐(IV) with HClO4 in the solvent systems nitrobenzene, nitrobenzene/benzene (1:1) and acetic acid are described and compared with potentiometric titrations in nitrobenzene using the same acid.
ChemInform Abstract: New Results on the Stereoselectivity of Ketoketene Dimerizations.
Authors: DEHMLOW E. V. , PICKARDT J. , SLOPIANKA M. , FASTABEND U. , DRECHSLER K. , SOUFI J.
Published: May 2016

Alkylation of (III) results in the formation of the trans‐cyclobutanediones (I) or (V).
ChemInform Abstract: Reactions of Cyclopropenes. Part 8. Transition Metal Catalyzed Cycloadditions of 3,3‐Dimethoxycyclopropene.
Authors: BINGER P. , BIEDENBACH B.
Published: May 2016

Palladium‐catalyzed cyclodimerization of (I) gives the cyclobutane (II), which undergoes thermal rearrangement to the cyclohexadiene (III).
ChemInform Abstract: Apparently Non‐Stereospecific Additions of Dihalocarbenes ‐ An Explanation.
Authors: DEHMLOW E. V. , STIEHM T.
Published: May 2016

While the addition reaction of dihalocarbenes with cis,trans‐cyclooctadiene (IV) exclusively yields (II) when carried out in a single phase, mixtures of (II) and (III) are obtained under phase‐transfer conditions ((IIIb) is an inseparable mixture of syn/anti isomers).
ChemInform Abstract: Magnesium‐Oppenauer Oxidation of Alcohols to Aldehydes and Ketones.
Authors: BYRNE B. , KARRAS M.
Published: May 2016

The magnesium alkoxide (III), obtained from butylmagnesium bromide (I) and crotonaldehyde (II), undergoes a modified Oppenauer oxidation in the presence of the carbonyl compounds (IV), yielding the ketone (V).
ChemInform Abstract: 4‐Oxy‐Substituted 1‐Lithio‐1,2‐alkadienyl Carbamates: Trapping of Configuratively Stable Allenic Carbanions and Stereospecific 1,4‐Elimination for the Synthesis of Alk‐3‐en‐1‐ynyl Carbamates.
Authors: HOPPE D. , GONSCHORREK C.
Published: May 2016

The allenyl carbaminate (Ia) is converted to the titanium derivative (Ib) which reacts with acetaldehyde (II) to produce the alcohols (III).
ChemInform Abstract: Stereochemistry of the Michael Addition to Bicyclo(3.3.1)non‐3‐en‐2‐one.
Authors: DOVGAN' N. L. , KULIK N. I. , LIKHOTVORIK I. R. , YURCHENKO A. G.
Published: May 2016

The title compound (I) contains a carbon‐carbon double bond activated by the conjugated carbonyl function.
ChemInform Abstract: Novel Pentafluorophenyl Hypervalent Iodine Reagents.
Authors: MORIARTY R. M. , PENMASKA R. , PRAKASH I.
Published: May 2016

The pentafluorophenyliodinane (I) is converted to the hydroxy(tosyloxy)iodopentafluorobenzene (II).
ChemInform Abstract: Multisubstrate Inhibitors of Dopamine β‐Hydroxylates. Part 2. Structure‐Activity Relationships at the Phenethylamine Binding Site.
Authors: KRUSE L. I. , KAISER C. , DEWOLF W. E. JUN. , FRAZEE J. S. , ROSS S. T. , WAWRO J. , WISE M. , FLAIM K. E. , SAWYER J. L. , ERICKSON R. W. , EZEKIEL M. , OHLSTEIN E. H. , BERKOWITZ B. A.
Published: May 2016

Starting with the substituted benzaldehydes (I) or (VI), the aralkylimidazolethiones (V) and (VIII) are prepared by cyclization of the α‐aminodimethylacetals (III) or (VII) in the presence of potassium thiocyanate (IV).
ChemInform Abstract: Dopamine Autoreceptor Agonists: Resolution and Pharmacological Activity of 2,6‐Diaminotetrahydrobenzothiazole and an Aminothiazole Analogue of Apomorphine.
Authors: SCHNEIDER C. S. , MIERAU J.
Published: May 2016

Bromination of the acetamidocyclohexanone (I) and subsequent cyclization with thiourea (II) produce the tetrahydrobenzothiazole (±)‐(III) which is converted into the enantiomeric amines (V).
ChemInform Abstract: The Reaction of 1‐Methyl‐2‐vinylindoles with 4‐Phenyl‐1,2,4‐triazoline‐ 3,5‐dione.
Authors: SANCHIS‐LLORCA R. T. , SEPULVEDA‐ARQUES J. , ZABALLOS‐GARCIA E. , JONES R. A.
Published: May 2016

The vinylindoles (I) react with the phenyltriazolinedione (II) to yield the 1:1 adducts (III).
ChemInform Abstract: Synthesis and Reactions of 2,6‐Bis(tert‐butyldimethylsilyloxy)‐3,4‐dihydropyridine, a New, Reactive Heterodiene.
Authors: RIED W. , REIHER U.
Published: May 2016

The title compound (III) is synthesized by double silylation of glutarimide (I).