bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Multinuclear Magnetic Resonance Studies of the Hydrolysis of Aluminum(III). Part 8. Base Hydrolysis Monitored at Very High Magnetic Field.
Authors: AKITT J. W. , ELDERS J. M.
Published: May 2016

Using high‐field 1H and 27Al NMR spectroscopy with increased sensitivity data can be obtained at concentrations as low as 1·10‐3 mol/dm3.
ChemInform Abstract: Examination of an Alternate Structure for Ba2YCu3O6+x Using Single‐Crystal X‐Ray Diffraction.
Authors: GARBAUSKAS M. F. , ARENDT R. H. , KASPER J. S.
Published: May 2016

There exist two models of the structure of the high Tc superconductor: 1. a layered perovskite‐variant with oxygen vacancies both in the Y layer and in the Cu layer between the Ba layers, and 2. an alternate structure, where Cu is substituted into the Y site at a level of 0.2‐0.3 mol fraction (based on XANES results).
ChemInform Abstract: The Effect of Ohmic Contacts on the Electrochemical Behavior of Illuminated n‐WSe2 and n‐MoSe2
Authors: ETMAN M.
Published: May 2016

is studied using either Ag paint or a Ag/Ga alloy to prepare single‐crystal contacts.
ChemInform Abstract: Electrochemical Studies of Poly‐3‐Methylthiophene Electrodes in SO2 Electrolyte.
Authors: MAMMONE R. J. , BINDER M.
Published: May 2016

Poly‐3‐methylthiophene is polymerized on Pt and cycled in liquid Li(SO2)3AlCl4 electrolyte at potentials between 2.0 and 4.0 V relative to Li.
ChemInform Abstract: Ammonia Photoaquation in Bromopentaamminerhodium(III). Product Stereochemistry and Excited State Rearrangement.
Authors: SKIBSTED L. H.
Published: May 2016

The photostereochemistry of (I) is investigated by 15N‐labelling of the trans‐NH3 group and isotopic analysis of the products.
ChemInform Abstract: Evidence for a Selenium Anomeric Effect? An Unusual Conformation of a Selenium Coronand.
Authors: PINTO B. M. , BATCHELOR R. J. , JOHNSTON B. D. , EINSTEIN F. W. B. , GAY I. D.
Published: May 2016

X‐Ray structure analysis of the selenium coronand (I) (space group P21/c, Z=4) reveals that the ring has a very unusual irregular geometry.
ChemInform Abstract: X‐Ray Crystal Structures of 2,2′‐Bridged Biphenyls with Heterocyclic Bridging Rings: Contraction in Ring‐Size on Reduction.
Authors: NYBURG S. C. , PRASAD L. , BEHNAM B. A. , HALL D. M.
Published: May 2016

Contrary to expectation the product of reduction of the trans‐configurated (Ib) (space group P41212, Z = 8) proves to be the 7‐membered ring system (II) ( P21/n, Z=4).
ChemInform Abstract: Electro‐Carboxylation of 2‐Bromoisobutyramides. A Useful Synthetic Way to Ester‐Amides of 2,2‐Dimethylmalonic Acid.
Authors: MARAN F. , FABRIZIO M. , D'ANGELI F. , VIANELLO E.
Published: May 2016

Electroreduction (cyclic voltammetry, controlled‐potential electrolysis) of 2‐bromoisobutyramides (I) and (V) leads to the carbanion (Me2C‐CO‐NH‐R)‐ which in the absence of acid or CO2 is self‐protonated by the acidic NH proton of the parent compound to give Me2CH‐CO‐NH‐R and (Br‐CMe2‐CO‐N‐R)‐.
ChemInform Abstract: Rhodium(II) Acetate Induced Intramolecular Dipolar Cycloadditions of o‐Carboalkoxy‐α‐diazoacetophenone Derivatives.
Authors: PADWA A. , CARTER S. P. , NIMMESGERN H. , STULL P. D.
Published: May 2016

Rhodium‐catalyzed cyclization of the o‐carboalkoxy‐α‐diazoacetophenones (II) yields the products (I) resulting from intramolecular cycloaddition, whereas in the presence of the acetylenedicarboxylate (III) the adducts (IV) resulting from bimolecular cycloaddition are formed.
ChemInform Abstract: syn‐anti Isomerism in the 1,3‐Dipolar Cycloaddition to cis‐3,4‐Disubstituted Cyclobutenes. Part 2. Role of Conformation in Bicyclo(3.2.0)hept‐6‐enes.
Authors: BURDISSO M. , GANDOLFI R. , PEVARELLO P. , RASTELLI A.
Published: May 2016

Along the series (IVa)‐(IVe) syn attack by the electron‐rich diazomethane (III) and the electron‐poor N‐oxide (V) 1,3‐dipoles increases in accordance with ab initio MO calculations (4‐31G) which show compounds (IV) to prefer a boat‐like conformation which, however, becomes flatter and flatter on passing from (IVa) to (IVe).
ChemInform Abstract: Regiospecific Additions of Hydrazoic Acid and Benzylamine to 1‐(Arylsulfonyl)bicyclo(1.1.0)butanes. Application to the Synthesis of cis‐and trans‐2,7‐Methanoglutamic Acids.
Authors: GAONI Y.
Published: May 2016

The 1‐(phenylsulfonyl)bicyclobutanes (I) are regioselectively cleaved upon reaction with trimethylsilyl azide (II) or benzylamine (IV), producing the cyclobutyl azides (III) or amines (V).
ChemInform Abstract: Conversion of o‐Nitrothiophenols into o‐Aminobenzenesulfonic Acids.
Authors: BAMFIELD P. , GREENWOOD D. , LOTEY H. , STIRLING C. J. M.
Published: May 2016

The product (III) of the title reaction is accompanied by the disulfide (IV) the yields of which decrease with increased excess of water.
ChemInform Abstract: Pathways in the Reactions of Nitronate Ions with Sulfonyl Halides.
Authors: PIGOU P. E. , STIRLING C. J. M.
Published: May 2016

A wide range of reactions is studied.
ChemInform Abstract: One‐Pot Conversion of Alkynes and Alkenes into One‐Carbon Homologated Aldehydes via Hydrozirconation ‐ Isocyanide Insertion ‐ Hydrolysis.
Authors: NEGISHI E. , SWANSON D. R. , MILLER S. R.
Published: May 2016

The organozirconocene chlorides (III), obtained by reaction of the alkynes (II) with the zirconocene chloride (I), form the insertion products (V) upon treatment with sterically unhindered isocyanides such as (IV).
ChemInform Abstract: Regio‐ and Stereoselective Synthesis of β‐Sulfonyl‐α,β‐Unsaturated Carbonyl Compounds via an Iodosulfonylation‐Dehydroiodination Reaction.
Authors: NAJERA C. , BALDO B. , YUS M.
Published: May 2016

The α,β‐unsaturated carbonyl compounds (I) undergo regiospecific iodosulfonylation to give the products (III).
ChemInform Abstract: Rhodium(II) Acetate and Nafion‐H Catalyzed Decomposition of N‐Aryl Diazoamides. An Efficient Synthesis of 2(3H)‐Indolinones.
Authors: DOYLE M. P. , SHANKLIN M. S. , PHO H. Q. , MAHAPATRO S. N.
Published: May 2016

Coupling of the aryl amines (I) with diketene (II) followed by diazo transfer reaction with methanesulfonyl azide (III) gives the N‐aryl diazoacetoacetamides (IV).
ChemInform Abstract: New Derivatives of 7‐Amino‐2,3‐polymethylenindoles with Antiinflammatory Activity.
Authors: CERRI R. , PAU A. , BOATTO G. , SPARATORE F. , SATTA M. , CAPASSO F.
Published: May 2016

Reaction of the aromatic amines (I) with the carboxylic chlorides (II) or the sulfonyl chloride (IV) gives the carboxamides (III) or the sulfonamides (V).
ChemInform Abstract: Intramolecular (3 + 2)Cycloadditions of Mesoionic Carbonyl Ylides.
Authors: MAIER M. E. , EVERTZ K.
Published: May 2016

Rhodium acetate catalyzed decomposition of the N‐(diazoacetoacetyl)alkenylamines (I), (III), and (V) leads to the formation of intermediate isomuenchnons which yield the intramolecular cycloadducts (II), (IV), or (VI).
ChemInform Abstract: Reaction of 1,3‐Azaarsenines with 2‐tert‐Butyl‐1‐phosphaethyne. 2,9,10‐Tri‐tert‐butyl‐4,6‐diphenyl‐1,3,8‐triphospha‐7‐arsatetracyclo(4.4.0.02,8.03,7)deca‐4,9‐diene.
Authors: MAERKL G. + , DIETL S. , ZIEGLER M. L. , NUBER B.
Published: May 2016

The title compound (IIIa) a well as its analogue (IIIb) are formed from the azaarsenines (I) and the phosphaethyne (II) (ratio 1:3) with elimination of benzonitrile.
ChemInform Abstract: The Direct Electrochemical Synthesis of Zinc and Cadmium Derivatives of α,ω‐Alkanedithiols and Their Reaction with Carbon Disulfide.
Authors: MABROUK H. E. , TUCK D. G.
Published: May 2016

The electrochemical oxidation of a metal anode (Cd or Zn) in a non‐aqueous solution (MeCN) of the title ligands gives the corresponding polymeric complexes (I).
ChemInform Abstract: Synthesis, Structure, Reactivity and Electrochemistry of a New Molybdenum(0) Dithiocarbamato Complex, (Et4N) (Mo(CO)4(S2CNEt2)).
Authors: ZHUANG B. , HUANG L. , HE L. , YANG Y. , LU J.
Published: May 2016

The new Mo(0) title complex (III) (synthesis see scheme) crystallizes in Pbc21 with Z=4.
ChemInform Abstract: Volatile β‐Diketonates of Neptunium(IV) and (VI).
Authors: GREBENSHCHIKOV N. R. , SIDORENKO G. V. , SUGLOBOV D. N. , SHCHERBAKOVA L. L. , ADAMOV V. M.
Published: May 2016

A series of new volatile β‐diketonates of Np(IV) and Np(VI) such as (I)‐(III) are synthesized starting with Cs2NbCl6 and Rb(NpO2(NO3)3), respectively.
ChemInform Abstract: Metallocenophanes. Part 5. Multiple‐Decker Metallocenophanes.
Authors: HOPF H. , DANNHEIM J.
Published: May 2016

The generation of mono‐ or dicarbanions of anti‐(2.2)indenophane (I) allows to prepare the monoiron (IV) and diiron (VI) complexes according to the scheme shown.
ChemInform Abstract: Synthesis and Unusual Properties of a Helically Twisted Multiply Metalated Rubrene Derivative.
Authors: FAGAN P. J. , WARD M. D. , CASPAR J. V. , CALABRESE J. C. , KRUSIC P. J.
Published: May 2016

Reaction of rubrene (I) with one equiv. of complex (II) leads to the formation of (III) whereas with more than 4 equiv. (II) the complex (IV) is obtained.
ChemInform Abstract: p,p′‐Dinitrobenzhydryl Ethers, Acid‐ and Base‐Stable Protecting Groups, which are Readily Removable in the Presence of Benzyl and Monomethoxytrityl Functions.
Authors: JUST G. , WANG Z. Y. , CHAN L.
Published: May 2016

Boron trifluoride‐catalyzed reaction of bis(p‐nitrophenyl)diazomethane (III) with alcohols such as (IV) gives the corresponding dinitrobenzhydryl ethers (V).
ChemInform Abstract: Pulsed Photoelectron Spectroscopy of Negative Cluster Ions: Isolation of Three Distinguishable Forms of N2O‐ 2.
Authors: POSEY L. A. , JOHNSON M. A.
Published: May 2016

Three different types of N2O2‐ ions are selectively prepared by electron impact ionization of different neutral precursors (O2 in N2, N2O, or NO in Ar) in a supersonic expansion and investigated using a pulsed negative ion photoelectron spectrometer.
ChemInform Abstract: Ultra‐High‐Resolution 29Si Solid‐State MAS NMR Investigation of Sorbate and Temperature‐Induced Changes in the Lattice Structure of Zeolite ZSM‐5.
Authors: FYFE C. A. , STROBL H. , KOKOTAILO G. T. , KENNEDY G. J. , BARLOW G. E.
Published: May 2016

By the preparation of extremely crystalline, siliceous ZSM‐5 and careful optimization of all experimental parameters, it is possible to obtain ultrahigh‐resolution 29Si MAS NMR spectra in which 21 of the 24 resonances are clearly resolved.
ChemInform Abstract: Electrochemical and Electrooptical Study of the Strained‐Layer Superlattice System: CdTe‐ZnTe.
Authors: LEMASSON P. , NGUYEN VAN HUONG C. , CHU X. , SIVANANTHAN S. , FAURIE J.‐P.
Published: May 2016

The electrochemical behavior of the CdTe‐ZnTe superlattice contacting an electrolyte is investigated both in the dark and under illumination.
ChemInform Abstract: Synthesis and Properties of Azoles and Their Derivatives. Part 19. Kinetics and Mechanism of Thermal Condensation of Hydroxamic Acid Chlorides with Alkenes.
Authors: BARANSKI A.
Published: May 2016

Studying the kinetics of the cycloaddition of (I) to (II) and of (Ib) to (VII), it is shown that the addition of benzoyl peroxide increases the reaction rate and that there is no support for a one‐stage mechanism.
ChemInform Abstract: Thermal Intramolecular Reactions of δ1‐1,2,4‐Triazolines with Extended Exocyclic Unsaturation.
Authors: SCHWAN A. L. , WARKENTIN J.
Published: May 2016

The triazolines (I) and (III) undergo thermal first‐order transformations to afford the rearranged pyrrole (IIa) (and its hydrolysis product (IIb); an unknown compound, probably an isomer of (IIb), is obtained in 9% yield) and the deazotized enaminoamide (IV), respectively, the latter in solvent‐dependent yields (in MeOH aniline and tBu‐NH‐CH=CH‐E are coproducts).
ChemInform Abstract: Inverse Attack of Amines to Sulfene with Formation of New Ammonio‐sulfobetaines.
Authors: HANEFELD W. , SPANGENBERG B.
Published: May 2016

A new reaction is observed in the formation of sulfene from methanesulfonyl chloride (I) and tert. amines (II) consisting in a dimerization of the sulfene and an inverse attack of the amines to the ω‐C atom of the dimer affording the betaines (III).
ChemInform Abstract: An Asymmetric Intramolecular Alkylation to form a Bicyclo(3.1.0)hexanone Derivative.
Authors: HAMON D. P. G. , SHIRLEY N. J.
Published: May 2016

The cyclohexanedione monoacetal (I) is transformed into the allylic alcohols (IV) which are oxidized to give the epoxides (V).
ChemInform Abstract: Investigations on the Stability of the Configuration of Enolates from β‐Ketocarboxylic Acid Esters.
Authors: MEIER H. , LAUER W. , KRAUSE V.
Published: May 2016

When treated with alkali metal hydrides (II), the Z‐ and E‐enols (I) are completely and reversibly deprotonated in the first step yielding the Z‐ or E‐enolates (III) under retention of configuration in the first step (kinetic control).
ChemInform Abstract: Synthesis and Conformational Analysis of 2‐Amino‐1,2,3,4‐tetrahydro‐1‐naphthalenols.
Authors: DELGADO A. , GARCIA J. M. , MAULEON D. , MINGUILLON C. , SUBIRATS J. R. , FELIZ M. , LOPEZ F. , VELASCO D.
Published: May 2016

As a part of research concerning the synthesis of conformationally restrained arylethanolamines, various trans‐ and cis‐aminotetrahydronaphthalenols such as (VI) or (VIII) are prepared starting from (I).
ChemInform Abstract: Coupling of Iodonaphthalenes with Naphthoxide Ions Under SRN1 Conditions. Synthesis of Unsymmetrical Binaphthyl Derivatives.
Authors: BEUGELMANS R. , BOIS‐CHOUSSY M. , TANG Q.
Published: May 2016

β‐Naphthoxide, generated from β‐naphthol (I), reacts with the 1‐ and 2‐iodonaphthalenes (II) under irradiation in liquid ammonia to form the binaphthyl derivatives (IV) after O‐alkylation with isopropyl bromide.
ChemInform Abstract: Synthesis of Oligomeric Chains with 9,10‐Dihydroanthracene Units by Carbanion Alkylation.
Authors: BENDER D. , HERBST H. , SCHADE P. , MUELLEN K. +
Published: May 2016

Dihydroanthracene (I) is deprotonated to its 9‐anion which is subjected to 5 alkylation reactions with (II) and (V), and (Va) in a reversed order (the carbanion solution is added slowly to the (Va) solution to give (VII) in 60% yield).
ChemInform Abstract: Effect of Anellation Isomerism on Optical Properties of Some Thionaphthene Derivatives. Part 2. α‐(2‐Thionaphthenylmercapto)‐propionic Acids and Some of Their Derivatives.
Authors: JANCZEWSKI M. , JABLONSKA‐PIKUS T. , KURYS K.
Published: May 2016

The synthesis and principal properties of the title acids (IV) as well as some of their derivatives are described.
ChemInform Abstract: Synthesis of (52)(1,2)Ferrocenophane.
Authors: HISATOME M. , YAMASHITA R. , WATANABE J. , YAMAKAWA K.
Published: May 2016

The title compound (VII) is prepared via bridge enlargement of (III) (see scheme) which is formed besides the isomeric (5)(1,1')‐α‐oxo(3)(3,2')ferrocenophane (6% yield).
ChemInform Abstract: Insertion of Alkynes into Organonickel Functions as a Synthesis of Vinylnickel Compounds.
Authors: KLEIN H.‐F. , REITZEL L.
Published: May 2016

The diamagnetic vinylnickel compounds (III) and (VI) are formed by insertion of alkynes into methyl‐ or phenylnickel moieties as Z isomers that are thermally equilibrated with their E isomers.
ChemInform Abstract: Prostaglandin Synthesis. Part 17. Three‐Component Coupling Synthesis of Prostaglandins: The Aldol Route.
Authors: SUZUKI M. , KAWAGISHI T. , YANAGISAWA A. , SUZUKI T. , OKAMURA N. , NOYORI R.
Published: May 2016

The vicinal carba‐condensation of the cyclic enones (I) via the tandem organocopper conjugate addition/aldol reaction leads to the disubstituted cyclic ketones (IV).
ChemInform Abstract: Luminescence of the Cu+ Ion in CuLaO2.
Authors: DOUMERC J.‐P. , PARENT C. , ZHANG J. C. , LE FLEM G. , AMMAR A.
Published: May 2016

The double luminescence of the delafossite‐type oxide CuLaO2 where only one type of site is available for Cu+ ions is suggested to result from the existence of two types of excited states.
ChemInform Abstract: 99Ru Moessbauer Study of Ruthenium Red and Its Derivatives.
Authors: WAGNER F. E. , WORDEL R. , GRIFFITH W. P. , MCMANUS N. T.
Published: May 2016

The 99Ru Moessbauer spectra of (Ru3(O)2(NH3)14)Cln (n = 6 or 7) and their ethylenediamine substituted derivatives, (Ru3(O)2(NH3)10(en)2)Cln, are recorded at 4.2 K. The results support the previously proposed distribution of valence electrons on the Ru centers for the reduced species (n = 6).
ChemInform Abstract: Experimental Study of the Electrical Conductivity of Cobalt Molybdate, CoMoO4.
Authors: BINDO M. , STEINBRUNN A.
Published: May 2016

Two modifications of the title compound, denoted as a and b, are obtained by solid state reaction of Co3O4 and MoO3.
ChemInform Abstract: Mixed Gels of Vanadia and Silica: Structural Properties and Catalytic Behavior in Selective Reduction of Nitric Oxide with Ammonia.
Authors: BAIKER A. , DOLLENMEIER P. , GLINSKI M. , RELLER A. , SHARMA V. K.
Published: May 2016

Mixed gel catalysts containing 0.1, 1, 10, 20, and 50 wt.% V2O5 are prepared from (iBuO)3V and (EtO)Si and characterized by XRD, HREM, SEM/EDX, temp.‐programmed reduction and oxidation, and BET surface area measurements.
ChemInform Abstract: 13C NMR Study of the Interaction of N,N‐Dimethylamides and N,N‐Dimethylamidines with the Nitroxide Radical.
Authors: WAWER I. , KOLODZIEJSKI W.
Published: May 2016

The 13C NMR contact shifts induced by 2,2,6,6‐tetramethylpiperidine nitroxide radical (TMPN) are measured for R‐CO‐NMe2 (R: ‐H, ‐Me) in several solvents and for the N,N‐dimethylamidines Ph‐N=CMe‐NMe2, Ph‐CH2‐N=CH‐NMe2, and p‐X‐C6H4‐N=CH‐NMe2 (X: ‐H, ‐Br, ‐Me) in acetone‐d6.
ChemInform Abstract: Activity Coefficients of the Tetramethyl Compounds of Group 14 Elements in n‐Alkane Solutions from GLC Measurements.
Authors: LETCHER T. M. , BAXTER R. C. , BEAN A. , SEWRY J. D.
Published: May 2016

The activity coefficients at infinite dilution and 273.15‐353.15 K are determined for MeX (X: C, Si, Ge, Sn, Pb) in each of CnH2n+2 (n = 12, 16, 20, 24).
ChemInform Abstract: Spontaneous and Reversible Interaction of Vanadium(V) Oxyanions with Amine Derivatives.
Authors: CRANS D. C. , SHIN P. K.
Published: May 2016

The spontaneous production of mononuclear V complexes from vanadate and tri‐ or tetradentate ethanolamine derivatives in aqueous solutions, at ambient temp. and in the physiological pH range is observed by 51V NMR spectroscopy.
ChemInform Abstract: Stereocontrolled Aldolization in the Presence of a Thermolabile Group: Stereoselective Synthesis of Compounds with Three Consecutive Asymmetric Carbon Atoms.
Authors: BLOCH R. , GILBERT L.
Published: May 2016

Aldolization of the norbornenyl ketone (I), which is available in three steps from cyclopentadiene and methacrolein, leads stereoselectively to mixtures of the exo‐syn aldols (IV) and (V).
ChemInform Abstract: Selective Sodium Borohydride Reduction of Ester or Cyanide Groups of Epoxides with Electron‐Withdrawing gem‐Substituents.
Authors: MAUGER J. , ROBERT A.
Published: May 2016

Under the reaction conditions indicated, the ester group of the epoxides (I) or one of the cyano groups of the epoxides (III) can be reduced selectively within a few minutes.
ChemInform Abstract: Selectivity of O‐Demethylation of Tetramethoxylated 1,2‐Diarylethylamides.
Authors: VILLA M. J. , LETE E. , DOMINGUEZ E.
Published: May 2016

The mixtures of isomeric monophenolic and diphenolic amides can only be separated as their acetylated derivatives (III) and (IV) or (V)‐(VIII), respectively.
ChemInform Abstract: A Facile Procedure for the Direct Conversion of Ethers to Alkyl Iodides.
Authors: LIU H.‐J. , WISZNIEWSKI V.
Published: May 2016

The dialkyl ethers (I) are converted to the iodides (II) by treatment with sodium iodide and phenyl dichlorophosphate.
ChemInform Abstract: O2‐Cu2+‐Ascorbic Acid: A Novel Oxidation System for the Highly Selective O‐Dealkylation of 2‐Alkoxyphenols.
Authors: AIHARA K. , HIGUCHI T. , HIROBE M.
Published: May 2016

O‐Dealkylation of the alkoxyphenols (I), (III), or (V) with the new system mentioned in the title results in good selectivity but produces only moderate yields of the resorcinols (II), (IV), and (VI).
ChemInform Abstract: Preparation of Alkyl‐Aryl Ethers and Thioethers.
Authors: DOWNIE I. M. , HEANEY H. , KEMP G.
Published: May 2016

The reaction between the alkanols (I), tris(dimethylamino)phosphine (II) and CCl4, followed by treatment with NH4PF6 affords the stable hexafluorophosphates (III).
ChemInform Abstract: Stereoselective Syntheses of 2‐Substituted Perhydrofuro(2,3b)furans.
Authors: VADER J. , KOOPMANS R. , DE GROOT A. , VAN VELDHUIZEN A. , VAN DER KERK S.
Published: May 2016

The title compounds (X) and (XI) are prepared starting from γ‐butyrolactone (I).
ChemInform Abstract: Novel Synthesis of Thiazolidine Derivatives.
Authors: THYAGARAJAN B. S. , SIMON J. A.
Published: May 2016

The di(arylsulfonyl)‐2‐butyne (I) reacts with N,N'‐dimethylthiourea (II) to form the intermediate adduct (III) which is cyclized upon treatment with H2O and triethylamine, producing the di(arylsulfonylmethyl)iminothiazolidines (IV), together with the methylene derivative (V).
ChemInform Abstract: Synthesis and Biological Activity of 2‐Mercapto‐1H‐imidazo(4,5‐f)quinoline Derivatives.
Authors: SURENDER E. , RAO B. R. , REDDY B. S. , MOULI G. V. P. C. , REDDY Y. D.
Published: May 2016

The diamine (II), obtained by reduction of the nitroaminoquinoline (I) with hydrazine, reacts with carbon disulfide (III) to yield the mercaptoimidazoquinoline (IVa) which is alkylated or acylated to give the derivatives (IVb).
ChemInform Abstract: Heterocycles from Carbohydrate Precursors. Part 38. Synthesis of 3‐(1‐(p‐Fluorophenyl)pyrazol‐3‐yl)quinoxalinones.
Authors: EL KILANY Y. , RASHED N. , MANSOUR M. , RAHMAN M. A. , EL ASHRY E. S. H.
Published: May 2016

Starting with L‐ascorbic acid (I), the quinoxalinone (III) is prepared and directly transformed into the hydrazones (V).
ChemInform Abstract: Phenoxazinone Synthase: Enzymatic Catalysis of an Aminophenol Oxidative Cascade.
Authors: BARRY C. E. III , NAYAR P. G. , BEGLEY T. P.
Published: May 2016

To study the mechanism of the well known enzymatic oxidation of o‐aminophenols to give phenoxazines (actinomycin, e.g.), substituted o‐aminophenols (I), (III), and (V) which block the reaction at different intermediate stages are examined (see scheme).
ChemInform Abstract: Substituent‐Directed Oxidation: Highly Regio‐ and Stereoselective Oxidative Cyclization of Cycloalkenols with Ceric Ammonium Nitrate.
Authors: KIM H.‐J. , SCHLECHT M. F.
Published: May 2016

The cyclooctanols (I) are oxidized with ceric ammonium nitrate (II) to give the oxo‐bridged cyclic nitrates (III) which are reductively cleaved, forming the alcohols (IV).
ChemInform Abstract: Bis(μ‐dimethylamino)tetraborane(10), (μ‐Me2N)2B4H8.
Authors: GAINES D. F. , KUNZ J. C.
Published: May 2016

The title compound (III) is obtained according to the scheme and characterized by IR, 11B and 1H NMR spectra.
ChemInform Abstract: Preparation of Polysilanes in the Presence of Ultrasound.
Authors: KIM H. K. , MATYJASZEWSKI K.
Published: May 2016

The formation of monomodal high molecular weight polymers by sonochemical reductive coupling of dichlorosilanes with sodium at ambient temp. in nonpolar aromatic solvents is studied and discussed.
ChemInform Abstract: Synthesis of 1,1,3,3‐Tetramethyl‐2‐oxa‐1,3‐disilacyclohexane‐5‐carboxylic Acid Esters.
Authors: KASHUTINA E. A. , SHCHEGOLIKHINA O. I. , STRELKOVA T. V. , ZHDANOV A. A.
Published: May 2016

Coupling of the oxadisilacyclohexanecarboxylic acid (I) with the alcohols (II) gives the esters (III).
ChemInform Abstract: Transformations of Diamidochlorophosphites in Carbon Tetrachloride.
Authors: OLEINIK V. A. , MARCHENKO A. P. , KOIDAN G. N. , PINCHUK A. M.
Published: May 2016

The diamidochlorophosphite (Ia) reacts with carbon tetrachloride (II) to produce the phosphonium salt (III) and the amidophosphonous chloride (IVa).
ChemInform Abstract: Study of Some Reactions of Tris(tert‐butyl)phenylphosphine.
Authors: NAVECH J. , GERMA H. , MATHIEU S.
Published: May 2016

The phosphine (I) mentioned in the title reacts with triphenylcarbenium hexafluorophosphate (II), methyl trifluoromethanesulfonate (IV), or diethyl azodicarboxylate (VII) to form the compounds (III) or (V) and (VI) or (VIII) as outlined in the reaction scheme.
ChemInform Abstract: Characterization and Spectral Properties of (7,8,16,17‐Tetrahydrodibenzo (b,j) (1,4,8,11)tetraazacyclotetradecinato)cobalt(II).
Authors: SAKATA K. , HASHIMOTO M.
Published: May 2016

The title complex (I) is prepared in 89% yield from en, Co(II) acetate and N,N'‐dibenzylidene‐1,2‐diaminoethane in MeOH/MeCN using a modified literature method and characterized by electronic IR, ESCA and ESR spectral data.
ChemInform Abstract: Synthesis and Spectra of Co(Salen) Derivatives Containing Pendant Groups and Their Dioxygen Adducts, Pendant Chain Length and Coordinating Ability.
Authors: KANDA W. , OKAWA H. , KIDA S. , GORAL J. , NAKAMOTO K.
Published: May 2016

The Schiff bases (V) are prepared as shown in the general synthetic scheme for (Va) using known methods.
ChemInform Abstract: FT‐IR and XPS Study of Copper(II) Complexes of Imidazole and Benzimidazole.
Authors: DROLET D. P. , MANUTA D. M. , LEES A. J. , KATNANI A. D. , COYLE G. J.
Published: May 2016

The chloride‐bridged polymeric complexes (I), the monomeric complexes (II), and the benzimidazolate‐bridged polymer (III) are prepared by reaction of CuCl2 with two or four equiv. benzimidazole and imidazole in ethanol, or with two equiv. benzimidazole in NaOH solution.
ChemInform Abstract: Spectroscopic and Reactivity Comparison of Pentacyanonitrosylruthenate(2‐) with Pentacyanonitrosylferrate(2‐), Nitroprusside
Authors: BUTLER A. R. , CALSY‐HARRISON A. M. , GLIDEWELL C. , JOHNSON I. L.
Published: May 2016

(NMR study; preparation of Li2(Ru(13CN)5NO) from Na4(Ru(13CN)6) and conc.
ChemInform Abstract: Photolysis of 2‐Diazocyclohexane‐1,3‐diones in Polymeric Layers.
Authors: THURNER J.‐U. , ULBRICHT M. , DONAU R. , TOMASCHEWSKI G.
Published: May 2016

With regard to photolithographic applications diones (I) are incorporated into Novolak (= polymer).
ChemInform Abstract: Organosilthianes
Authors: MIZHIRITSKII M. D. , REIKHSFEL'D V. O.
Published: May 2016

Review: (215 refs.
ChemInform Abstract: Effects of Fast Neutron Irradiation on Thermal Conductivity of Li2O and LiAlO2
Authors: ETHRIDGE J. L. , BAKER D. E. , MILLER A. D.
Published: May 2016

are studied because Li2O and LiAlO2 are candidate blanket materials for fusion reactors.
ChemInform Abstract: Identification of Intergranular Cu2O in Polycrystalline YBa2Cu3O7‐x Superconductors.
Authors: SARIKAYA M. , THIEL B. L.
Published: May 2016

The presence of intergranular Cu2O at the boundaries of 1:2:3 grains in samples of the title compound, prepared by solid‐state reaction of BaO2, CuO, and Y2O3 at 950 °C, is confirmed by XRD, TEM, and EDS.
ChemInform Abstract: Interrelation Between the Electric Properties and the Composition of the Superconductive Oxide YBa2Cu3O7‐y.
Authors: BEL'SKII N. K. , OCHERTYANOVA L. I. , KONOVALOVA I. A. , SHAPLYGIN I. S. , TISHCHENKO E. A. , LAZAREV V. B.
Published: May 2016

The exact compositions of seven samples of the title oxides are determined by atomic absorption spectrometry.
ChemInform Abstract: IR Study of Ammonia and Nitric Oxide Adsorption on Silica‐Supported Iron Catalysts
Authors: JOHNSTON C. , JORGENSEN N. , ROCHESTER C. H.
Published: May 2016

is performed with and without addition of K2O as promoter.
ChemInform Abstract: Formation of Graphite Single Crystal from Iron Solution by the Slow Cooling Method.
Authors: SUMIYOSHI Y. , USHIO M. , SUZUKI S.
Published: May 2016

It is demonstrated that large graphite single‐crystals (40 mm diameter, 0.04 mm thickness) can be obtained from a carbon‐saturated iron melt by slow cooling from 1800‐2500 °C to ∼ 1150 °C using cooling rates of 5‐30 °C/min.
ChemInform Abstract: A Series of Tris(μ‐fluoro)divanadates(III,IV,V) Containing the Bioctahedral (V2(O,F)9)3‐ Unit. Synthesis, Characterization, and Structures of (NMe4)3V2F9, (NMe4)3V2O2F7, (NMe4)3V2O4F5, and (NMe4)2KV2O4F5·H2O.
Authors: BUCHHOLZ N. , LEIMKUEHLER M. + , KIRIAZIS L. , MATTES R.
Published: May 2016

The title compounds (IV), (VI), (IX), and (XI) are prepared as shown in the scheme (yields not given) and their single crystal XRD data are reported.
ChemInform Abstract: Furan‐2‐carbaldehyde Dimethylhydrazones in Diels‐Alder Cycloadditions.
Authors: POTTS K. T. , WALSH E. B.
Published: May 2016

The furfural hydrazones (I) undergo cycloaddition reaction with the maleimide or maleic anhydride (II), followed by dehydration, forming the phthalimides (IIIa) and (IIIb) or the phthalic anhydrides (IIIc) and (IIId).
ChemInform Abstract: Synthesis and Stereochemical Investigation of the Acetals of the Z,E‐Isomeric 5‐Alkoxy‐3‐hexenals and 3‐Alkoxy‐4‐hexenals.
Authors: RAIFEL'D YU. E. , ARSHAVA B. M. , ZIL'BERG L. L. , MAKIN S. M.
Published: May 2016

The title compounds (VI), (VIII), (XIII), (XV) and (XVIII) are prepared by stereocontrolled syntheses.
ChemInform Abstract: Synthesis of Prostanoid Precursors Starting from Cyclopentane‐1,3‐dione Derivatives.
Authors: LAKHVICH F. A. , LIS L. G. , PAP A. A. , ZHELDAKOVA T. A. , AKHREM A. A.
Published: May 2016

Starting from the enol ethers (I), which are derivatives of cyclopentane‐1,3‐dione, the 4,5‐disubstituted enol ethers (VI) are prepared by a sequence of stereo‐ and regioselective steps.
ChemInform Abstract: Reaction of Enol Ethers with Zinc Carbenoid Reagents. Cyclopropanation and Subsequent Isomerization to Allylic Ethers.
Authors: RYU I. , AYA T. , OTANI S. , MURAI S. , SONODA N.
Published: May 2016

Various enol ethers are subjected to Simmons‐Smith reaction with diiodomethane (II) and zinc/copper couple.
ChemInform Abstract: Azomethine‐Azomethine Isomerization of Fluorinated N‐Benzylimines.
Authors: SOLOSHONOK V. A. , GERUS I. I. , YAGUPOL'SKII YU. L. , KUKHAR' V. P.
Published: May 2016

The reaction between the phosphazene (I) and the carbonyl compounds (II) yields the N‐benzylimines (III).
ChemInform Abstract: A Comparison of 4‐Oxazoline and 2‐Acylaziridine Routes to Azomethine Ylides.
Authors: VEDEJS E. , GRISSOM J. W.
Published: May 2016

Thermolysis of the aziridines such as (I) or (VI) in the presence of dimethyl acetylenedicarboxylate (II) yields pyrrolines such as (III) or (VII), pyrroles such as (IV), or enamines such as (V) via the intermediate azomethine ylides.
ChemInform Abstract: Synthesis and Antimicrobial Evaluation of N‐(5‐(4‐tert‐Amino‐2‐butynyl)thio‐1,3,4‐thiadiazol‐2yl)‐2‐phenoxyacetamides.
Authors: MUHI‐ELDEEN Z. , AL‐ZAHAWEI S. K. , HUSSEIN F. , SALMAN S. R. , NADIR M. , DHAHIR A. , ABDUL‐KAIIQ N.
Published: May 2016

A series of ca. 20 title compounds such as (VII) is prepared starting from (I).
ChemInform Abstract: Lead Tetraacetate Mediated Oxidation of the Enamides Derived from 1‐Benzyl‐3,4‐dihydroisoquinolines.
Authors: LENZ G. R. , COSTANZA C.
Published: May 2016

The N‐ethoxycarbonylisoquinolines (Ib) and (Ic) are cyclized upon treatment with lead tetraacetate (II) in benzene, forming the fused oxazolones (IIIb) and (IIIc).
ChemInform Abstract: Preparation and Spectral Properties of Imidazo‐ and Triazoloquinolines with Angular Ring Fusion.
Authors: MILATA V. , ILAVSKY D. , LESKO J.
Published: May 2016

The azoloquinolines (IV) are prepared from the esters (I), which are available from 5‐nitrobenzimidazole or ‐triazole in three steps by a known procedure involving the Gould‐Jacobs reaction.
ChemInform Abstract: Synthesis and Complexing Properties of Macrocycles Incorporating 2,2′‐Biindazolyl Binding Subunits.
Authors: CUEVAS J. C. , DE MENDOZA J. , PRADOS P.
Published: May 2016

The 2‐azidobenzaldehydes or acetophenones (I) are converted to the azines (III) which are subjected to thermolysis, forming the biindazoles (IV).
ChemInform Abstract: Synthesis of Permethylated α,ω‐Bis(cyclopentasilanyl)silanes.
Authors: HENGGE E. , JENKNER P. K.
Published: May 2016

Cyclization of (I) yields the cyclohexasilane (II), which is rearranged by AlCl3 to give the cyclopentasilane (III).
ChemInform Abstract: Unusual Oxidations and Reductions in the Conversion of Tellurapyranones to Tellurapyrylium Salts. One‐Electron Reductions with Diisobutylaluminum Hydride.
Authors: DETTY M. R.
Published: May 2016

The tellurapyranones (I) and (VI) (here R: ‐H as well) are reduced by DIBAL to give the 4H‐tellurapyranes (II) and (VII), resp., which are oxidized by HPF6 to the tellurapyrylium salts (IV) and (VIII).
ChemInform Abstract: Progressive Transmetalation of Tetranuclear Dioxocopper(II) Complexes with Cobalt Reagents.
Authors: HENARY M. , DAVIES G. , ABU‐RAQABAH A. , EL‐SAYED M. A. , EL‐TOUKHY A.
Published: May 2016

Transmetalation reactions of the dioxo‐Cu(II) complexes (II) and (VII) employing the Co transmetalators (III) and (IVa), or its analogue (IVc), are investigated and discussed.
ChemInform Abstract: Synthesis and Structure of the Complex Tetra‐μ‐prolinatodirhodium(II).
Authors: BONTCEV P. R. , MITEVA M. , ZHECHEVA E. , MECHANDJIEV D. , PNEUMATIKAKIS G. , ANGELOPOULOS C.
Published: May 2016

The paramagnetic title compound (III) is synthesized according to the scheme.
ChemInform Abstract: Syntheses of Carbacepham and Carbacephem Ring System by Employing Radical Cyclization.
Authors: KAMETANI T. , CHU S. , ITOH A. , MAEDA S. , HONDA T.
Published: May 2016

The β‐lactams (I) and (V) are transformed into the unsaturated carboxylates (II) and (VI) which undergo radical‐induced ring closure to yield the carbacephams (III) and (IV) or (VII).
ChemInform Abstract: Criteria for Concertedness in Cycloadditions.
Authors: TROST B. M. , MILLER M. L.
Published: May 2016

In order to examine the question of concertedness, the stereocontrol of a series of Pd‐catalyzed cycloaddition reactions is investigated.
ChemInform Abstract: Photooxygenation of 5‐Aryl‐2,4‐diaminopyrimidines Leading to 4‐Amino‐1,3,5‐triazin‐2‐yl Ketones and, in the Presence of Sodium Borohydride, to 5,6‐Dihydro‐4(3H)‐pyrimidinones.
Authors: OPPENLAENDER T. + , PFOERTNER K.‐H. , SCHOENHOLZER P. +
Published: May 2016

In connection with a study of in vitro photosensitized oxygenation of drugs, the behavior of the antimalarial pyrimethamine (Ia) and its derivatives (Ib)‐(If) is investigated.
ChemInform Abstract: Transition‐Metal‐Catalyzed C‐C Bond Formation via C‐H Activation. Intermolecular Hydroacylation: The Addition of Aldehydes to Alkenes.
Authors: MARDER T. B. , ROE D. C. , MILSTEIN D.
Published: May 2016

An indenyl Rh complex is an active catalyst for the intermolecular addition of simple aldehydes such as (I) to ethylene (II).
ChemInform Abstract: Synthesis and Spectroscopic Properties of Aminonitro‐Substituted 1,6‐Methano(10)annulenes.
Authors: NEIDLEIN R. , LAUTENSCHLAEGER G. +
Published: May 2016

Treatment of the isomeric nitro‐1,6‐methano(10)annulenes (I) and (II) with hydroxylamine hydrochloride (III) in the presence of a base yields a mixture of the aminonitro derivatives (IV) ‐ (VI).
ChemInform Abstract: Synthesis and Structural Characterization of Some Triangulo‐ and Binuclear Clusters of Platinum from the Reaction of (Pt3(μ‐SO2)3(P(C6H11)3)3) with 2,6‐Xylyl Isocyanide.
Authors: MINGOS D. M. P. , WILLIAMS I. D. , WATSON M. J.
Published: May 2016

The title cluster (I) reacts with 2 mol xylyl isocyanide (II) to give the 44‐electron triangular cluster (III) and with an excess of (II) to yield the binuclear derivative (IV).
ChemInform Abstract: Photoinduced Reductive Addition Reactions of 2‐Alkenoyl‐1,4‐benzoquinones with Alcohols.
Authors: IWAMOTO H.
Published: May 2016

Irradiation of the alkenoyl‐p‐benzoquinones (I) in alcohols such as methanol (II) or tert‐butanol (V) yields the benzofurans (III) or (VI) and/or the vinylic phenol ethers (IV) or (VII) as the main products.
ChemInform Abstract: Vitamin C in Organic Synthesis: Reaction with p‐Hydroxybenzyl Alcohol Derivatives.
Authors: POSS A. J. , BELTER R. K.
Published: May 2016

Reaction of L‐ascorbic acid (Ia) and its 2‐O‐methyl derivative (Ib) with the p‐hydroxybenzyl alcohols (II) produces the 3‐ketohexulosonic acid lactones (III).
ChemInform Abstract: Absolute Stereochemistry of Cyclotagitinin‐C.
Authors: SARMA J. C. , SHARMA R. P.
Published: May 2016

The absolute configuration of the title compound (II), obtained from acid‐catalyzed cyclization of tagitinin‐C (I) (constituent of Tithonia diversifolia), is established by chemical correlation with related compounds.
ChemInform Abstract: Relation Between Thermal Expansion and Critical Temperature.
Authors: KEPPLER U.
Published: May 2016

Published data are correlated to get a better understanding of superconductivity.
ChemInform Abstract: Towards the Electrochemical Synthesis of High Temperature Superconductors.
Authors: ZURAWSKI D. J. , KULESZA P. J. , WIECKOWSKI A.
Published: May 2016

It is demonstrated that ∼ 20 at.% Ba can be incorporated into an electrochemically grown copper oxide film.
ChemInform Abstract: The Phosphidation of Tungsten Metal
Authors: SASAKI Y. , ISHIMURA K. , MATAGAWA S.
Published: May 2016

in a closed quartz tube at 1 atm and at 800, 900, and 1000 °C proceeds according to a parabolic rate law.
ChemInform Abstract: Alkali Metal Metaselenoarsenites. Preparation and Crystal Structures of MAsSe2, M: K, Rb, Cs.
Authors: SHELDRICK W. S. , HAEUSLER H.‐J. +
Published: May 2016

The title compounds (IIIa), (IIIb), and (IIIc), synthesized by methanolothermal reaction between M2CO3 and As2Se3, crystallizes in the triclinic (P1, Z=4), monoclinic (C2/c, Z=16), and orthorhombic (Pbca, Z = 8) systems, respectively.
ChemInform Abstract: Anisotropic Exchange in the Co2(EDTA)·6 H2O and CoCu(EDTA)·6 H2O Bimetallic Ordered Chains. Low‐Temperature Investigation of the Thermal and Magnetic Properties.
Authors: CORONADO E. , DRILLON M. , NUGTEREN P. R. , DE JONGH L. J. , BELTRAN D.
Published: May 2016

The thermodynamic properties (EPR, high field magnetization, specific heat, and magnetic susceptibility) are discussed in terms of an Ising chain model with regularly or alternatingly spaced sites.
ChemInform Abstract: A Short Synthesis of Tetrahydrobenzisoindolines.
Authors: DE B. , DEBERNARDIS J. F. , PRASAD R.
Published: May 2016

The tetralones (I) are reduced to give the corresponding alcohols which are directly dehydrated, forming the dihydronaphthalenes (II).
ChemInform Abstract: Urea as the Most Reactive and Versatile Nitrogen Nucleophile for the Palladium(2+)‐Catalyzed Cyclization of Unsaturated Amines.
Authors: TAMARU Y. , HOJO M. , HIGASHIMURA H. , YOSHIDA Z.
Published: May 2016

N‐Alkenylureas such as (I), (V), (VII), (IX), or (XI) undergo a Pd2+‐catalyzed aminocarbonylation/cyclization reaction with CO (IV) to give products such as (III), (VI), (VIII), (X), or (XII), respectively, in high yields.
ChemInform Abstract: 5‐endo‐Isopropylsulfonyl‐5‐exo‐phenyl‐2‐norbornene: X‐Ray and Molecular Mechanics Assessment of the High Efficiency of this New Radical Clock.
Authors: VACHER B. , SAMAT A. , ALLOUCHE A. , LAKNIFLI A. , BALDY A. , CHANON M.
Published: May 2016

The rate constant of the intramolecular radical cyclization of (IIa) (synthesis already published) is k = 2.0·108 s‐1l‐1; however, (IIb) (prepared from (V) + (VI) via (Ib)) reacts faster with k = 1.1·109 s‐1l‐1 (at 353 K).
ChemInform Abstract: Catalysis of Alkene Oxidation by Nickel Salen Complexes Using NaOCl Under Phase‐Transfer Conditions.
Authors: YOON H. , BURROWS C. J.
Published: May 2016

The Ni(II)(salen) complex (I) is unusually active as catalyst for olefin oxidation in the presence of hypochlorite.
ChemInform Abstract: Organoboranes for Synthesis. Part 12. The Reaction of Organoboranes with Nitrogen Trichloride. A Convenient Procedure for the Conversion of Alkenes into Alkyl Chlorides via Hydroboration.
Authors: BROWN H. C. , DE LUE N. R.
Published: May 2016

Anti‐Markovnikov hydrochlorination of the alkenes (I) to give the chlorides (IV) is achieved via reaction of the trialkylboranes (III) with NCl3 under mild, non‐acidic conditions.
ChemInform Abstract: The Reaction of Organocuprates with Bridgehead Enones.
Authors: KRAUS G. A. , YI P.
Published: May 2016

The 1‐bromobicyclo(3.3.1)nonan‐3‐ones (I) and (IV) undergo bridgehead alkylation with the cuprates (II) or (V) to form the derivatives (III) or (VI) via intermediate bridgehead enones.
ChemInform Abstract: Modified Pyridinium Chlorochromate Oxidation of Aldehydes to Carbamoyl Azides/Acyl Azides or Carboxylic Acids.
Authors: REDDY P. S. , YADAGIRI P. , LUMIN S. , SHIN D.‐S. , FALCK J. R.
Published: May 2016

The aldehydes (I) are oxidized with pyridinium chlorochromate in the presence of sodium azide (II) to produce the carbamoyl azides (III) and the acyl azides (IV).
ChemInform Abstract: Electronic Structure of Organylthiochloroacetylenes and Their Reactions with O‐Containing Nucleophiles.
Authors: MIRSKOVA A. N. , SEREDKINA S. G. , SHAGUN V. A. , KALIKHMAN I. D. , MODONOV V. B. , LUTSKAYA N. V. , VORONKOV M. G.
Published: May 2016

The chloromercaptoacetylenes (I) are coupled with the phenolates (II) to give mixtures of the products (III) and (IV).
ChemInform Abstract: Effect of the Base on the Stereoselectivity of the Reaction of a Carbanion with an Aldehyde.
Authors: RAMESH M. , BIELLMANN J.‐F.
Published: May 2016

Isopropyl phenyl sulfoxide (I) is deprotonated in α‐position with butyllithium or lithium diisopropylamide and then coupled with benzaldehyde (II), producing the β‐hydroxy sulfoxide (III).
ChemInform Abstract: Synthesis of Newer 5‐Chloro‐2‐phenylbenzimidazoles as Potential Antiviral Agents. Part 53.
Authors: SINGH V. A. , VARMA R. S.
Published: May 2016

Cyclization of 1,2‐diamino‐4‐chlorobenzene (I) with p‐hydroxybenzoic acid (II) yields the 2‐(p‐hydroxyphenyl)benzimidazole (III) which is converted to the hydrazide (VII) via the acetate (V).
ChemInform Abstract: A New Route to 1,3,4‐Thiadiazolines. Part 3. Consequences of the Aza‐enamine Concept.
Authors: MUEHLSTAEDT M. + , WEBER L. , BIRNER P.
Published: May 2016

The N,N‐disubstituted hydrazones (I) react with the sulfenyl chloride (II) to give the C‐ and N‐sulfenyl products (III) and (IV).
ChemInform Abstract: Reaction of Benzonitrile N‐(p‐Nitrophenyl)imide with 5‐Substituted Tetrazoles: A New Route to Substituted 1,2,4‐Triazoles via N‐Hydrazonoyltetrazoles.
Authors: BUTLER R. N. , FITZGERALD K. J.
Published: May 2016

The reaction of the tetrazoles (I) with benzonitrile N‐(p‐nitrophenyl)imide (generated in situ from the hydrazonoyl bromide (II)) gives rise to the regioisomeric hydrazonoyltetrazoles (III) and (IV).
ChemInform Abstract: Synthesis of a New Naturally Occurring 3‐Phenyl‐4H‐1‐benzopyran‐4‐one.
Authors: PARMAR V. S. , SINGH S. , JAIN R.
Published: May 2016

The isoflavone (IV) isolated from Tephrosia maxima is prepared by thallium(III) nitrate‐induced rearrangement of the chalcone (III) which is obtained by aldol condensation of the acetophenone (I) with piperonal (II).
ChemInform Abstract: 1,2,3‐Benzotriazine 2‐Oxides.
Authors: BOULTON A. J. , KISS M. , SAKA J. D. K.
Published: May 2016

N‐oxidation of the benzotriazine (I) proceeds at the 2‐position to give the N‐oxide (II), which is converted to the derivatives (IV) or (VI).
ChemInform Abstract: Reaction of Carboranes with Alkyl Derivatives of Group III Metals.
Authors: BREGADZE V. I. , USYATINSKII A. YA. , ANTONOVICH V. A. , GODOVIKOV N. N.
Published: May 2016

Reaction of the o‐carboranes (I) with trimethylgallium (II) in the presence of tetramethylethylenediamine (III) gives the dicarbaundecaboranates (IV).
ChemInform Abstract: Cycloaddition Reactions of Tetrafluorodisilacyclobutene with Conjugated Dienes Mediated by Metal Carbonyls. Part 4. Stereoselective 1,4‐Addition and Conformations of 1,4‐Disilacycloocta‐2,6‐dienes.
Authors: JZANG T. , LEE C. , LIU C.
Published: May 2016

Reaction of the disilacyclobutene (I) with Ni(CO)4 (II) yields the metallacycle (III), which reacts with various conjugated dienes such as (IV) to give the disilacyclooctadienes (V).
ChemInform Abstract: Selective Binding of One Enantioface of Monosubstituted Alkenes to the Chiral Transition Metal Lewis Acid ((η5‐C5H5)Re(NO)(PPh3))+.
Authors: BODNER G. S. , FERNANDEZ J. M. , ARIF A. M. , GLADYSZ J. A.
Published: May 2016

Addition of the alkenes (III) to the chiral Lewis acid (II), prepared from (I) as shown, gives a mixture of alkene complex diastereomers (RR,SS)‐(IV) and (RS,SR)‐(V).
ChemInform Abstract: Formation and Characterization of Copper(II) 1,4‐Benzenediolate and p‐Semiquinonate Complexes.
Authors: BALOGH‐HERGOVICH E. , SPEIER G.
Published: May 2016

The strongly oxidizing p‐quinones (I) undergo stepwise oxidative addition reactions with Cu(I) chloride and bromide (II) in pyridine (III) resulting in Cu(II) p‐semiquinone (V) and dinuclear Cu(II) 1,4‐benzenedithiolate pyridine complexes (IV).
ChemInform Abstract: The Photochemistry of Cyclopentadienyl Platinum Carbonyl Dimers: Characterization of (Pt2(μ‐CO)(η5‐C5R5)2) (R: H or Me) Using Matrix Isolation and Fast Time‐Resolved Infrared Spectroscopy.
Authors: DIXON A. J. , FIRTH S. , HAYNES A. , POLIAKOFF M. , TURNER J. J. , BOAG N. M.
Published: May 2016

UV photolysis of the complexes (I), isolated in argon, N2 or CO matrices at 20 K, yields the photoproducts (II) with only one bridging CO group.
ChemInform Abstract: Aromatization of 7β,17β‐Diacetoxy‐4‐methyleneandrost‐5‐ene.
Authors: HANSON J. R. , TRUNEH A.
Published: May 2016

Acid treatment of the title compound (I) leads to aromatization of ring A and yields the steroid (II) as major product rather than an anthrasteroid (yields given in g).
ChemInform Abstract: Steroidal Allylic and Homoallylic Rearrangements During Halogenation with Triphenylphosphine and Carbon Tetrachloride.
Authors: HANSON J. R. , HITCHCOCK P. B. , REESE P. B. , TRUNEH A.
Published: May 2016

Treatment of the hydroxyandrostane (I) with PPh3/CCl4 yields the 3α‐ and 3β‐chloroandrostanones (IIa) + (IIb) together with the cyclosteroid (III).
ChemInform Abstract: Stereoselective Total Syntheses of the Naturally Occurring Enantiomers of N‐Acetylneuraminic Acid and 3‐Deoxy‐D‐manno‐2‐octulosonic Acid. A New and Stereospecific Approach to Sialo and 3‐Deoxy‐D‐manno‐2‐octulosonic Acid Conjugates.
Authors: DANISHEFSKY S. J. , DENINNO M. P. , CHEN S.
Published: May 2016

The highly diastereoselective cycloaddition reaction of the components (S)‐(I) and (II) yields a mixture of the epimers (III).
ChemInform Abstract: Synthetic Studies Relevant to Biosynthetic Research on Vitamin B12. Part 6. Synthesis of Chlorins by a Photochemical Approach.
Authors: BATTERSBY A. R. , DUTTON C. J. , FOOKES C. J. R. , TURNER S. P. D.
Published: May 2016

The chlorins (III) are prepared from (Ia) (unstable, formed in situ from its tert. butyl 9‐carboxylate) and (Ib), respectively, by condensation with (II) via the seco‐chlorin (not isolated), followed by photocyclization.
ChemInform Abstract: Irreversible Inhibition of Papain by Epoxysuccinyl Peptides. 13C NMR Characterization of the Site of Alkylation.
Authors: YABE Y. , GUILLAUME D. , RICH D. H.
Published: May 2016

In order to determine the basis of the remarkable chemical selectivity of cysteine proteinase inhibition observed with, e.g., Ep‐475 (VIIa), the reaction of the labeled analogue (VIIb) with papain is investigated in detail; the results of the 13C NMR studies identify the site of attack in this reaction.
ChemInform Abstract: Permeability of RF‐Plasma Treated Nafion Films on Glassy Carbon Electrodes.
Authors: SHIMAZU K. , KUWANA T.
Published: May 2016

It is demonstrated that the permeability of Nafion films to various metal complexes can be controlled by changing the pore size of the films by RF‐plasma treatment.
ChemInform Abstract: Neodymium‐Rich Phases in Nd‐Fe‐B Magnets.
Authors: TANG W. , ZHOU S. , WANG R.
Published: May 2016

As shown by using XRD, TEM, and SEM, the Nd‐rich phase in the Nd‐Fe‐B system changes its structure during the conventional sintering process from the double h.c.p. structure in the ingot to the f.c.c. structure in the sintered magnets.
ChemInform Abstract: Influence of Carbon on the Mechanical Properties of High‐Manganese Dual‐Phase Steels.
Authors: TERAO N. , SHAM E. L. , BAUGNET A.
Published: May 2016

High‐manganese (≈ 3 wt.%) dual‐phase steels containing 0.2‐0.5 wt.% C show increasing mechanical resistance with C content.
ChemInform Abstract: Non‐Stoichiometry and Physical Properties of the Ferromagnetic Semiconductor CdCr2Se4.
Authors: BEL'SKII N. K. , OCHERTYANOVA L. I. , ZHEGALINA V. A. , KOROLEVA L. I.
Published: May 2016

The electric and magnetic properties of samples, whose compositions correspond to the borderline of the field of homogeneity, are investigated.