bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Synthesis and Electrochemical Properties of Some Metalated and Peripherally Substituted Porphyrin Cofacial Dimers.
Authors: COWAN J. A. , SANDERS J. K. M.
Published: May 2016

The high dilution coupling of mesoporphyrin‐II bis(acid chloride) (Ia) with the Zn‐metalated diol (Ib) yields two diastereomers (syn‐anti isomers) of the dimer (IIa).
ChemInform Abstract: Highly Stereo‐ and Regioselective Palladium‐Catalyzed Syntheses of (3E,5Z)‐, (3E,5E)‐, and (3Z,5E)‐1,3,5‐Undecatriene.
Authors: ANDREINI B. P. , BENETTI M. , CARPITA A. , ROSSI R.
Published: May 2016

The title compounds (VI), (XI) and (XIII) are prepared from the starting compounds (I) or (VII) with 96.4‐98.6% stereoisomeric purities.
ChemInform Abstract: Synthesis of the (4S,5R)‐5‐Hydroxy‐decan‐4‐olide (L‐Factor) and of the (R)‐Decan‐4‐olide from a Chiral Sulfoxide.
Authors: BRAVO P. , RESNATI G. , VIANI F. , ARNONE A.
Published: May 2016

The condensation of the succinic diester (I) with the optically pure sulfoxide (II) and subsequent reduction produces the separable stereoisomeric decanoates (III).
ChemInform Abstract: A Synthetic Approach to Furanocembranolides.
Authors: KONDO A. , OCHI T. , IIO H. , TOKOROYAMA T. , SIRO M.
Published: May 2016

The key step in the synthesis of the furanocembranolides (IX) is the cyclization of the epoxy aldehyde derived from the alcohol (VII).
ChemInform Abstract: Model Multifunctional Epoxides Related to Hepoxilin A.
Authors: NAIR V. , JAHNKE T. S.
Published: May 2016

The relatively unstable model epoxide (VIII) related to hepoxilin A (IX) is synthesized (see scheme).
ChemInform Abstract: Enantioselective Total Synthesis of Ingramycin.
Authors: TANNER D. , SOMFAI P.
Published: May 2016

An enantioselective total synthesis of the macrolide antibiotic ingramycin (VIII) is described, starting from the three chiral fragments (I), (II) and (V).
ChemInform Abstract: Synthesis of a Marine Polyether Toxin, Okadaic Acids. Part 1. Strategy and Synthesis of Segment A.
Authors: ICHIKAWA Y. , ISOBE M. , BAI D.‐L. , GOTO T.
Published: May 2016

The optically active synthons (V) and (XI) are prepared from the D‐glucose derivatives (I) and (VI), respectively.
ChemInform Abstract: Characterization of CdS Thin Films Electrodeposited by an Alternating Current Electrolysis Method.
Authors: FATAS E. , HERRASTI P. , ARJONA F. , GARCIA CAMARERO E.
Published: May 2016

Thin CdS films have been electrodeposited by a method that involves the application of a square wave potential to tin oxide electrodes immersed in an electrolyte containing CdSO4 and Na2S2O3 and it is shown that this ac electrolysis method is a viable alternative for CdS electrodeposition yielding stoichiometric films.
ChemInform Abstract: Interface Properties of Thermal SiO2 Using 1,1,1‐Trichloroethane (TCA).
Authors: BHAN R. K. , LOMASH S. K. , BASU P. K. , CAHABRA K. C.
Published: May 2016

The interface trap densities of thermal SiO2 grown in the presence of either TCA or trichloroethylene (TCE) have been measured as a function of the concentration of these chlorine sources.
ChemInform Abstract: Investigation of Various Substrate Dopants and Epitaxial Growth Techniques for Producing Sharp Transition Epitaxial Wafers.
Authors: SCHMIDT D. N.
Published: May 2016

As, Sb, P, B, and Ga doped silicon substrates are used for the fabrication of n/n+ or p/p+ epitaxial wafers to study autodoping effects in a horizontal induction heated atmospheric pressure epitaxial reactor.
ChemInform Abstract: The Influence of Sodium Bromide in the Corrosion and Passivity of Copper in Borate Buffer
Authors: DE CHIALVO M. R. G. , DE MELE M. F. L. , SALVAREZZA R. C. , ARVIA A. J.
Published: May 2016

is studied by potentiodynamic and potentiostatic techniques and SEM.
ChemInform Abstract: Interaction of Pt with Ceria and Silica.
Authors: ZHOU Y. , NAKASHIMA M. , WHITE J. M.
Published: May 2016

Pt is deposited on oxidized Ce foils, high surface area CeO2 powder, and on a sputtered SiO2 thin film.
ChemInform Abstract: Development of Carriers with Controlled Concentration of Charged Surface Groups in Aqueous Solutions. Part 3. Regulation of the Point of Zero Charge, Surface Dissociation Constants, and Concentration of Charged Surface Groups of SiO2 by Variation of the Solution Temperature or by Modification with Sodium Ions.
Authors: AKRATOPULU K. CH. , VORDONIS L. , LYCOURGHIOTIS A.
Published: May 2016

A precise regulation of the point of zero charge (ZPC) can be achieved in the range 2.8‐5.8 by varying the suspension temp. in the range 25‐5 °C. The concentration of charged surface groups (SiOH2+, SiO‐) also varies systematically with suspension temperature.
ChemInform Abstract: The Effects of Potassium on Ammonia Synthesis Over Iron Single‐Crystal Surfaces
Authors: STRONGIN D. R. , SOMORJAI G. A.
Published: May 2016

are studied under high‐pressure (20 atm) reaction conditions.
ChemInform Abstract: Na3OCl and Na3OBr, the First Alkali Metal Chalcogenide Halides
Authors: SABROWSKY H. , PASZKOWSKI K. , REDDIG D. , VOGT P.
Published: May 2016

are obtained as outlined in the scheme (no yields given).
ChemInform Abstract: Thermolysis of Polyazapentadienes. Part 8. The Formation of Pyrroles from 1,1‐Dialkyl‐5‐aryl‐1,5‐diazapentadienes.
Authors: MCNAB H. , MURRAY M. E.‐A.
Published: May 2016

Flash vacuum pyrolysis of the readily accessible diazapentadienes (I) and (II) gives moderate yields of pyrroles together with quinolines, formed by electrocyclic ring closure with elimination.
ChemInform Abstract: Orientation in the Addition Reaction of Amines to 2,3‐Dibromopropyl Isothiocyanate.
Authors: TKACHENKO S. E. , PUSHIN A. N. , FEDOSEEV V. M.
Published: May 2016

Reaction of the isothiocyanate (I) with amines or hydrazine (II) gives mixtures of the thiazolines (III) and the 1,3‐thiazines (IV) depending on the substituents in (II) and the solvent used.
ChemInform Abstract: Photo‐Induced Molecular Transformations. Part 87. Regiospecific Photo‐Beckmann Rearrangement of Steroidal α,β‐Unsaturated Ketone Oximes: Synthesis of Some Steroidal Enamino Lactams.
Authors: SUGINOME H. , KAJI M. , YAMADA S.
Published: May 2016

The photo‐Beckmann rearrangement of the oximes (Ia)/(Ib), (IVa), or (VII) under the conditions outlined in the scheme leads to the enamine‐type lactams (II), (V), or (VIII) as the main products whereas the Beckmann rearrangement reactions (method B)) produce the enone‐type lactams (IX), (X), or (XII).
ChemInform Abstract: The Synthesis of 4‐Oxo‐2‐pentenoic Esters by Wittig Reaction Using α‐Oxo Esters.
Authors: SCHUDA P. F. , EBNER C. B. , POTLOCK S. J.
Published: May 2016

Wittig reaction of the stabilized P‐ylides (I) with the α‐oxo esters (II) yields a mixture of the isomeric unsaturated 4‐oxo esters (III) ‐(V) with predominance of the E‐4‐oxo‐2‐pentenoic esters (III).
ChemInform Abstract: New Syntheses of Alkylaryl and Diaryl Disubstituted Phenols and Ethyl Salicylates.
Authors: EICHINGER K. , NUSSBAUMER P. , BALKAN S. , SCHULZ G.
Published: May 2016

Base‐catalyzed cyclocondensation of the pyridinium compounds (II) with the chalcones (I) yields the phenols and 2‐hydroxybenzoates (III).
ChemInform Abstract: Thioalkoxytributyl‐ and Thioalkoxytriphenylphosphonium Salts: Preparation and Application to the Synthesis of Thiolesters and Unsymmetrical Sulfides.
Authors: OHMORI H. , MAEDA H. , KONOMOTO K. , SAKAI K. , MASUI M.
Published: May 2016

The thioalkoxyphosphonium salts (III) are prepared from the corresponding tertiary phosphanes (I) and the disulfides (II) by electrolysis and by a conventional chemical way.
ChemInform Abstract: Preferential Electrocyclic Reaction of o‐Quinodimethane. New Route to Dihydronaphthalenes and Naphthalenes.
Authors: SHISHIDO K. , YAMASHITA A. , HIROYA K. , FUKUMOTO K. , KAMETANI T.
Published: May 2016

The alkenylbenzocyclobutanes (I) are thermolyzed in o‐dichlorobenzene to form the dihydronaphthalenes (II).
ChemInform Abstract: Synthesis of Simple Oxetanes Carrying Reactive 2‐Substituents.
Authors: FITTON A. , HILL J. , JANE D. E. , MILLAR R.
Published: May 2016

The title compounds (III) are prepared by ring‐expansion of the epoxides (I) with dimethyloxosulfonium methylide (II).
ChemInform Abstract: Synthesis of 4‐Thiazolidinones.
Authors: CESUR Z.
Published: May 2016

The N‐thiazolyl 2‐halo amides (III), prepared from 2‐aminothiazole (I) and the haloacyl halides (II), react with ammonium thiocyanate (IV) to form the thiazolyliminothiazolidinones (V).
ChemInform Abstract: An Unusual and Simple One‐Pot Synthesis of Thiazolo(5,4‐d)thiazoles.
Authors: BOSSIO R. , MARCACCINI S. , PEPINO R. , TORROBA T. , VALLE G.
Published: May 2016

Diethyl thiazolo(5,4‐d)thiazole‐2,5‐dicarboxylate (III) is obtained by the reaction of ethyl isocyanoacetate (I) with dichlorodisulfane (II).
ChemInform Abstract: Studies of the Selective O‐Alkylation and Dealkylation of Flavonoids. Part 9. A New Method for Synthesizing 3,5‐Dihydroxy‐7,8‐dimethoxyflavones from 3‐Hydroxy‐5,7,8‐trimethoxyflavones.
Authors: HORIE T. , TSUKAYAMA M. , KAWAMURA Y. , YAMAMOTO S.
Published: May 2016

Bromination of the tetramethoxyacetophenones (I) gives the α‐bromo ketones (II).
ChemInform Abstract: Antihypertensive 1‐Acyl‐4‐(2‐(1,4‐benzodioxan‐2‐yl)‐2‐hydroxyethylamino)piperidines.
Authors: CAROON J. M. , CLARK R. D. , REPKE D. B. , KLUGE A. F. , STROSBERG A. M. , WHITING R. L. , OKADA M. D. , HEDLEY L. R. , VAN ANTWERP D. , BROWN C. M.
Published: May 2016

Labetalol (V) is known as β‐adrenoceptor antagonist.
ChemInform Abstract: Pyridazine Chemistry. Part 34. Synthesis of Novel Diaza Analogues of Acridone, Xanthone, and Thioxanthone from 3,4‐Disubstituted Pyridazines.
Authors: HEINISCH G. , LASSNIGG D.
Published: May 2016

Reaction of the chlorocyanopyridazine (I) with the anilines or (thio)phenols (II) yields the diazaacridones or diazaxanthones (IV) via acid‐induced cyclization of the substitution products (III).
ChemInform Abstract: Isomerization of 2,3‐Dihydro‐1H‐1‐benzazepines in Acid Medium: Formation of Imines or Enamines.
Authors: URIAC P. , CORBEL J.‐C. , BOUGET H. , HUET J.
Published: May 2016

On treatment with HCl N‐unsubstituted benzazepines react to give imines, e.g. (II) or (IV), while the N‐substituted compounds (V) react under formation of the enamines (VI).
ChemInform Abstract: Preparation and Crystal Structures of Tetracyanoquinodimethans Fused with (1,2,5)Selenadiazole Units.
Authors: SUZUKI T. , KABUTO C. , YAMASHITA Y. , SAITO G. , MUKAI T. , MIYASHI T.
Published: May 2016

The diaminobenzothiadiazole derivative (IIb), prepared from 1,4‐dimethoxybenzene (I) by known methods, is cyclized with selenium oxychloride (III) to produce the quinone (IV).
ChemInform Abstract: Synthesis, Characterization, and Molecular Structure of the Quadruply Bonded Ditungsten(II) Complex, W2Cl4(dppm)2.
Authors: CANICH J. A. M. , COTTON F. A.
Published: May 2016

The title complex (III) is prepared by 1:2 molar reaction of the tributylphosphine analogue (I) with the diphosphine (II).
ChemInform Abstract: Synthesis and Characterization of New Technetium(I) Tricarbonyl Complexes.
Authors: KADEN L. , LORENZ B. , RUMMEL S. , SCHMIDT K. , WAHREN M.
Published: May 2016

The complex (III) with its labile nitrile groups serves as starting material in the shown exchange reactions yielding the complexes (V), (VII), and (X).
ChemInform Abstract: Mechanistic Studies on Iron Phosphine Complexes. Part 2. Protonation and Substitution Reactions of Dinitrogen Complexes.
Authors: HENDERSON R. A.
Published: May 2016

The kinetics of the reactions of acids (HCl or HBr) or the nucleophiles CO, MeCN, or PhCN with the complexes (I) and (II) are investigated.
ChemInform Abstract: Role of the CF3 Attractive Group on the Electrochemical and Magnetic Properties of Copper(II) Dinuclear Compounds with Robson‐Type Binucleating Ligands.
Authors: LACROIX P. , KAHN O. , THEOBALD F. , LEROY J. , WAKSELMAN C.
Published: May 2016

The complexes (Ia) and (Ib) are prepared by reaction of 2,6‐diformyl‐4‐trifluoromethylphenol, copper perchlorate and the appropriate amine in MeCN (no yields given).
ChemInform Abstract: Reactions of 2‐Thiopyridone Rhodium(III) Complexes with Tertiary Phosphines.
Authors: DEEMING A. J. , MEAH M. N.
Published: May 2016

The reactions of the Rh(III) complexes (I) and (VI) with the monophosphines (II) or PPh3, or the diphosphines (IV) lead to the cationic disubstituted derivatives (III) and (V), to the neutral bis(phosphine) complex (VII) and monosubstitution product (VIIIa), or only to its analogues (VIIIb) and (VIIIc), respectively.
ChemInform Abstract: Reactions of Phosphine, Arsine, and Stibine with Carbonylbis(triethylphosphine)iridium(I) halides. Part 2. Reactions in Dichloromethane.
Authors: EBSWORTH E. A. V. , MAYO R. A.
Published: May 2016

In CD2Cl2, AsH3 and SbH3 react with the complexes (I) by oxidative addition as described previously for the reaction in toluene.
ChemInform Abstract: Preparation of Ph2PC5H4‐ and PhP(C5H4)2‐Bridged Zirconium(IV)‐Platinum(II) Complexes.
Authors: ANDERSON G. K. , LIN M.
Published: May 2016

The title complexes (X), (XIV), and (XV) are obtained from the corresponding phosphinocyclopentadienyl‐Zr compounds, the novel (VII) and the known (VIII), and the Pt(II) complexes (IX) according to the scheme.
ChemInform Abstract: Synthesis of Aromatic Sesquiterpenes, (.+‐.)‐Cuparene and (.+‐.)‐Laurene by Means of an Intramolecular Carbenoid Displacement (ICD) Reaction.
Authors: KAMETANI T. , KAWAMURA K. , TSUBUKI M. , HONDA T.
Published: May 2016

The cyclohexene (I) is converted to the benzyl sulfide (III), which undergoes an intramolecular carbenoid displacement (ICD) reaction followed by MCPBA oxidation to give the cyclopentene (IV).
ChemInform Abstract: Stereoselective Preparation of β‐C‐Glycosides from 2‐Deoxyribose Utilizing Neighboring Participation by 3‐O‐Methylsulfinylethyl Group.
Authors: NARASAKA K. , ICHIKAWA Y. , KUBOTA H.
Published: May 2016

The 2‐deoxyribose acetates (I) are coupled with the silyl enol ether (II) in the presence of tin tetrachloride, yielding the C‐glycosides (III).
ChemInform Abstract: (2′,2′)‐(+)‐Catechin‐(+)‐taxifolin from Commercial Willow Bark: Structure, Bonding Positions and Oxidative Cleavage.
Authors: KOLODZIEJ H.
Published: May 2016

The structure of the title compound (Ia) is confirmed by spectroscopic investigations of its acetate (Ib).
ChemInform Abstract: Excitatory Amino Acids. Improved Synthesis of Ibotenic Acid and X‐Ray Analysis of an Unexpected Reaction Product, (RS)‐N‐(2‐(3‐benzyloxyisoxazol‐5‐yl)‐1‐phenylethyl)‐3‐oxobutyramide.
Authors: MADSEN U. , BREHM L. , KROGSGAARD‐LARSEN P.
Published: May 2016

The oxazolylacetic acid (IIIb), which is required as starting compound for a new synthesis of the excitotoxic natural product ibotenic acid (VI), can be prepared by metalation of the methyloxazole (I) followed by reaction with CO2 (II).
ChemInform Abstract: (2S,3S)‐1‐Phenylthio‐2,3‐butanediol. A Useful Chiral Building Block for a Simple Syntheses of (4R,5S)‐5‐Hydroxyhexan‐4‐olide and (4R,5S)‐5‐Hydroxy‐2‐hexen‐4‐olide.
Authors: FUJISAWA T. , KOJIMA E. , SATO T.
Published: May 2016

1‐Bromobutane‐2,3‐dione (I) and thiophenol (II) produce the thioether (III) which is reduced with baker's yeast to form the isomeric diols (IV).
ChemInform Abstract: Removal of Phosphates from Aqueous Solution by Active Charcoal Electrode
Authors: ICHINOSE M. , YASUOKA T. , MITSUZAWA S. , SASAKI T.
Published: May 2016

can be achieved up to a degree of 90% after 80 min of electrolysis, tending to 100% after sufficient time of electrolysis.
ChemInform Abstract: Iron‐Rich Pseudobinary Alloys with the ThMn12 Structure Obtained by Melt Spinning: Gd(FenAl12‐n), n = 6, 8, 10
Authors: WANG X.‐Z. , CHEVALIER B. , BERLUREAU T. , ETOURNEAU J. , COEY J. M. D. , CADOGAN J. M.
Published: May 2016

are investigated by XRD (ThMn12‐type structure, lattice parameters are given), magnetization measurements, and Moessbauer spectroscopy.
ChemInform Abstract: An Investigation of the Zr‐V‐Ge System Alloys
Authors: RUDOMETKINA M. V. , SEROPEGIN YU. D. , SHVYRYAEVA E. E.
Published: May 2016

is performed by XRD, electron probe X‐ray analysis, and measurements of Vickers hardness and microhardness.
ChemInform Abstract: Characteristics of Gold‐Modified Platinum Electrodes for the Oxidation of Formic Acid.
Authors: TAKASU Y. , YASUDA K. , MATSUDA Y.
Published: May 2016

Cyclic voltammetric measurements on gold‐modified Pt electrodes, prepared by vacuum deposition, show the catalytic activity for the electrochemical oxidation of formic acid in H2SO4 solution to be maximum around the surface composition of 50% Au.
ChemInform Abstract: Molten‐Salt Corrosion of Silicon Nitride. Part 1. Sodium Carbonate.
Authors: FOX D. S. , JACOBSON N. S.
Published: May 2016

Corrosion of pure Si3N4 and Si3N4 with various additives (Y‐, Al‐, Mg‐oxide) by thin films of Na2CO3 is studied at 1000 °C using thermogravimetry, SEM with EDS, electron microprobe analysis, and chemical analysis.
ChemInform Abstract: Preparation and Catalytic Properties of Gold Finely Dispersed on Beryllium Oxide.
Authors: HARUTA M. , SAIKA K. , KOBAYASHI T. , TSUBOTA S. , NAKAHARA Y.
Published: May 2016

A novel Au catalyst consisting of ultrafine Au particles supported on BeO is prepared by calcination in air of the coprecipitates obtained from an aqueous solution of HAuCl4 and Be(NO3)2.
ChemInform Abstract: Preparation of Manganese Zinc Ferrite Powders by Alcoholic Dehydration of Citrate/Formate Solution.
Authors: SAINAMTHIP P. , AMARAKOON V. R. W.
Published: May 2016

Freshly prepared mixed citrate/formate solutions of Mn, Zn, and Fe are sprayed into a 10‐fold volume of EtOH using an ultrasonic probe as an atomizer.
ChemInform Abstract: Preparation and Crystal Structure of ((NH3)5Rh(H7O4)Rh(NH3)5)(S2O6)2.5·H2O. A Mixed Aquopentaamminerhodium(III)‐hydroxopentaamminerhodium(III) Dithionate with a Novel μ‐H7O4 Structural Unit.
Authors: FRANK W. , STETZER T. , HECK L.
Published: May 2016

The title compound (III), obtained as shown (yield not given), crystallizes in the monoclinic system, space group P21/c, Z=4.
ChemInform Abstract: Crown Ether‐Lanthanoid Complexes Studied by CPL and TL. Part 3. Chirality in Europium Nitrate and Chloride Complexes of Methyl‐Substituted 18‐Crown‐6 Ligands. Optical Activity of Two‐Bladed Nitrate Propellers.
Authors: METCALF D. H. , CARTER R. C. , GHIRARDELLI R. G. , PALMER R. A.
Published: May 2016

Circularly polarized luminescence (CPL) and total luminescence (TL) are used to investigate the solution structure of EuCl3 and Eu(NO3)3 complexes of the chiral crown ether ligands (I) and (II) dissolved in trifluoroethanol.
ChemInform Abstract: Structural and Spectroscopic Properties of the Cobalt(II) 3,5‐Di‐tert‐butylcatecholate Tetramer Having a Distorted Co4O4 Cubane Core.
Authors: OLMSTEAD M. M. , POWER P. P. , SIGEL G. A.
Published: May 2016

The title complex (I), prepared from the metal amide (Co(N(SiMe3)2)2)2 and 3,5‐di‐tert‐butylcatechol in THF/toluene solution, crystallizes in P1 with Z=2.
ChemInform Abstract: Electroorganic Synthesis. Part 36. Cathodic Addition of Benzylidyne Trichloride to Ketones and Aldehydes.
Authors: STEINIGER M. , SCHAEFER H. J. +
Published: May 2016

The reaction of the dichloride anion generated from the title compound (II) with ketones (I) or (VIII) yields unsaturated ketones (V), (VI) and (IX) (in the absence of NaH, compound (VII) is the major product).
ChemInform Abstract: Exceptionally Mild and Stereospecific Ring Fragmentations Promoted by Dimethylboron Bromide.
Authors: GAUTHIER J. Y. , GUINDON Y.
Published: May 2016

2‐(Iodomethyl)tetrahydropyran (I) is cleaved with dimethylboron bromide to give the 5‐hexenol (II).
ChemInform Abstract: Cyclopentanation with β‐Methylthioallyl Phenyl Sulfone.
Authors: BARRE V. , UGUEN D.
Published: May 2016

The β‐(alkylthio)allyl phenyl sulfones (I) are alkylated with the electrophiles (II) to give the products (III) which rearrange in the presence of thiophenol and AIBN to form the isomers (IV).
ChemInform Abstract: Water‐Soluble Acylating Agents: Preparation of 2‐Acylthio‐1‐alkylpyridinium Salts and Acylation of Phenols, Acids, and/or Amines with These Salts in an Aqueous Phase.
Authors: SAKAKIBARA T. , WATABE Y. , YAMADA M. , SUDOH R.
Published: May 2016

The acylthiopyridinium chlorides (III) ‐ prepared in situ from (I) and (II) ‐ react with the phenolate (IV) to give the acyl derivatives (V).
ChemInform Abstract: Ferric Ion Sequestering Agents. Part 18. Two Dihydroxamic Acid Derivatives of EDTA and DTPA.
Authors: TUROWSKI P. N. , RODGERS S. J. , SCARROW R. C. , RAYMOND K. N.
Published: May 2016

The dihydroxamate anlogues (III) of the siderophore aerobactin, derived from EDTA and DTPA, are prepared from the corresponding dianhydrides (I) according to the scheme.
ChemInform Abstract: Conductive Salts of Tropylium Ions with Tetracyanoquinodimethan Anion Radical (TCNQ·‐) and Bisthiadiazolotetracyanoquinodimethan Anion Radical (BTDA‐TCNQ·‐).
Authors: YAMASHITA Y. , HAGIYA K. , SAITO G. , MUKAI T.
Published: May 2016

A wide range of 18 monocyclic tropylium cations (such as (III) and (VI) which are new compounds) and the bi‐ and tricyclic analogues (IX) and (X) are prepared and their reduction potentials are measured.
ChemInform Abstract: Iodosylbenzene‐Trimethylsilyl Azide‐Boron Trifluoride Etherate: A Highly Efficient System for Direct Synthesis of Allyl Azides from Allylsilanes.
Authors: ARIMOTO M. , YAMAGUCHI H. , FUJITA E. , OCHIAI M. , NAGAO Y.
Published: May 2016

The allylic silanes (I) react with trimethylsilyl azide (II) in the presence of iodosylbenzene and boron trifluoride etherate to form the isomeric azides (III) and (IV).
ChemInform Abstract: The Mycobacterial Cell‐Wall as Target for Antimycobacterial Drugs. Part 1. Synthesis and Activity of Some Diphenylalkyl Analogues of Mycolic Acids.
Authors: LEYSEN D. C. , HAEMERS A. , BLANCHAERT L. , VAN ASSCHE I. , BOLLAERT W. , SCHOENMAEKERS K. , PATTYN S. R.
Published: May 2016

The β‐oxo esters (I) are alkylated with diphenylmethyl bromide (II) to yield the keto esters (III) which are reduced to form the hydroxy esters (IV).
ChemInform Abstract: 5‐Chloro‐3‐(2‐nitroethenyl)salicylic Acid Anilides (V) and Related Substances, New Polyactive Biocides.
Authors: ASAAD F. M. , GRANT N. , LATIF N.
Published: May 2016

The title compounds (V) are obtained from crude acid chloride (II) only at low temp. while at room temp. azomethine (VIIa) is formed.
ChemInform Abstract: Synthesis of 4‐Alkoxybiphenyl‐4′‐carboxylic Acids.
Authors: ADOMENAS P. V. , VOSILENE E. S. , LABANAUSKAS L. K. , PYATRAITIS YU. K.
Published: May 2016

Alkali melt of the biphenylsulfonic acid (III) gives the hydroxybiphenylcarboxylic acid (IV) which is alkylated, producing the alkoxy derivatives (VI).
ChemInform Abstract: Doubly Clamped Cope Systems.
Authors: VOEGTLE F. + , EISEN N. , FRANKEN S. , BUELLESBACH P. + , PUFF H.
Published: May 2016

The bis(bromophenyl)bromopropene (III), prepared from 3‐bromoacetophenone (I) and 3‐bromobenzaldehyde (II), is dimerized, forming the tetrakis(bromophenyl)‐1,5‐hexadiene (IVa).
ChemInform Abstract: Synthesis and Tandem Diels‐Alder Reactivity of 1,3‐Dimethoxy‐5,6,7,8‐tetramethylenebicyclo(2.2.2)oct‐2‐ene.
Authors: BURNIER G. , VOGEL P.
Published: May 2016

The bisanhydride (I) is transformed into the tetramethylenebicyclooctene (VII) via the tetraester (III), the alcohol (IV), and the tetramesylate (VI).
ChemInform Abstract: Derivatives of 2,5‐Diphenylpyrrole and 2‐Amino‐3‐cyano‐4,5‐dimethylpyrrole: Synthesis and Antiviral Activity.
Authors: MEZENTSEVA M. V. , NIKOLAEVA I. S. , FOMINA A. N. , AKIMOVA M. I.
Published: May 2016

Vilsmeier formylation of the pyrrole (I) gives the carboxaldehyde (III) which is transformed into the derivatives (IV), (V), and (VIII) by common methods.
ChemInform Abstract: Synthesis and Properties of Norcaradiene‐Cycloheptatriene System Fused with Isoxazole Ring.
Authors: KANOMATA N. , NITTA M. , TAKAHASHI K. , TAKAKURA Y. , SAITO K.
Published: May 2016

The arylcyclohepta(d)isoxazolones (I) are reduced and then halogenated to yield the chlorodihydro derivatives (III) which undergo base‐induced intramolecular cyclization, forming the arylisoxazolonorcaradienes (IV).
ChemInform Abstract: Synthesis of 5,6,9,10,11,11a‐Hexahydro‐8H‐naphtho(2,1‐a)quinolizine.
Authors: FERNANDEZ FERNANDEZ M. , SOELLHUBER M. M. +
Published: May 2016

1,2‐Dihydrobenzo(f)isoquinoline hydrochloride (I) is coupled with methyl vinyl ketone (II) to yield the oxobutylbenzo(f)isoquinolinium chloride (III) which cyclizes in the presence of a base, producing the tetracyclic amino ketone (IV).
ChemInform Abstract: Studies on as‐Triazine Derivatives. Part 8. Synthesis of 5‐Substituted 1,2,4‐Triazines.
Authors: KONNO S. , OHBA S. , AGATA M. , AIZAWA Y. , SAGI M. , YAMANAKA H.
Published: May 2016

The oxodihydro‐as‐triazines (I) are transformed into the 5‐chloro derivatives (II) which react with various nucleophiles, producing 5‐substituted as‐triazines.
ChemInform Abstract: The Cerium Mediated Conversion of Esters to Allylsilanes.
Authors: NARAYANAN B. A. , BUNNELLE W. H.
Published: May 2016

The esters (Ia) and (Ib) react with trimethylsilylmethylmagnesium chloride (II) in the presence of CeCl3 to give the bis(silylmethyl)carbinols (III) which are dehydrosilylated on silica gel, forming the allylsilanes (IV).
ChemInform Abstract: Charge Transfer Complexes: Synthesis of 3,5‐Naphtho‐1‐telluracyclohexane, a New Electron Donor.
Authors: SINGH H. B. , KHANNA P. K. , KUMAR S. K.
Published: May 2016

The reaction of 1,8‐bis(bromomethyl)naphthalene (I) with tellurium powder (II) and potassium iodide gives the telluraphenalene diiodide (III) which is reduced, yielding the telluraphenalene (IV).
ChemInform Abstract: Metal Complexes with Tetrapyrrole Ligands. Part 46. Europium(III) Bis(octaethylporphyrinate), a Lanthanoid Porphyrin Sandwich with Porphyrin Rings in Different Oxidation States, and Dieuropium(III) Tris(octaethylporphyrinate).
Authors: BUCHLER J. W. , DE CIAN A. , FISCHER J. , KIHN‐BOTULINSKI M. , WEISS R.
Published: May 2016

Reaction of tris(2,4‐pentanedionato)europium(III) with octaethylporphyrin in refluxing 1,2,4‐trichlorobenzene produces a mixture of a double‐decker europium(III) bis(octaethylporphyrinate) (79% yield) and a triple‐decker dieuropium(III) tris(octaethylporphyrinate) (16% yield) which are separated chromatographically.
ChemInform Abstract: Magnetic and Structural Properties of (Cu(dien)OAc)n(ClO4)n: A μ‐Acetato‐Bridged Quasi‐One‐Dimensional Complex.
Authors: TOWLE D. K. , HOFFMANN S. K. , HATFIELD W. E. , SINGH P. , CHAUDHURI P.
Published: May 2016

The polymeric title complex (IV) (yield given in g) crystallizes in the space group P21/n with Z=4.
ChemInform Abstract: Multistep Reversible Redox Systems. Part 51. A Facile Method for the Preparation of Large Single Crystals of Highly Conductive Copper Salts of N,N′‐Dicyanoquinone Diimines.
Authors: ERK P. , HUENIG S. + , MEIXNER H. , VON SCHUETZ J. U. + , WERNER H.‐P.
Published: May 2016

On reaction of MeCN solutions of 15 diimines such as (I) with bright Cu wires, the sparingly soluble copper salts Cu+((I)n)·‐ are formed (with n = 1 (see scheme), 1.25, 1.33, 1.5 (one case each), or 2 (8 cases)).
ChemInform Abstract: First Synthesis of an Olefin‐Coordinated Platina(II)cyclobutane and Its Conversion into Diphosphineplatina(II)cyclobutanes.
Authors: DE BOER H. J. R. , AKKERMAN O. S. , BICKELHAUPT F.
Published: May 2016

The platina(II) cyclobutane (III) is prepared from cyclooctadienyldichloroplatinate (I) and 1,3‐bis(bromomagnesio)‐2,2‐dimethylpropane (II).
ChemInform Abstract: Synthesis of a meso‐β‐Pentanoporphyrin Related to the Petroporphyrins.
Authors: LASH T. D. , PERUN T. J. JUN.
Published: May 2016

Cyclooctanone (I) undergoes cyclocondensation with the hydrazone (II), yielding the fused pyrroles (III) which are acetoxylated and then converted to the alkoxy derivatives (VII).
ChemInform Abstract: A New Eudesmenolide and 2‐Hydroxycostic Acid from Sphaeranthus indicus Linn. X‐Ray Molecular Structure of 4α,5α‐Epoxy‐7α‐hydroxyeudesmanolide.
Authors: SOHONI J. S. , ROJATKAR S. R. , KULKARNI M. M. , DHANESHWAR N. N. , TAVALE S. S. , GURUROW T. N. , NAGASAMPAGI B. A.
Published: May 2016

The lactone (I) and hydroxycostic acid (II) are isolated from the title species together with the known compounds β‐eudesmol (III) and ilicic acid (IV).
ChemInform Abstract: Melt Infiltration Approach to Ceramic Matrix Composites.
Authors: HILLIG W. B.
Published: May 2016

Preliminary structure and property results are reported for representative systems based on particulate and whisker SiC reinforcement in combination with CaSiO3, SrSiO3, and SrAlSi2O8, which demonstrate that melt infiltration offers an alternative route to the synthesis of fully dense ceramic matrix composites.
ChemInform Abstract: On the Existence of Pentacoordinated Nitrogen.
Authors: CHRISTE K. O. , WILSON W. W. , SCHROBILGEN G. J. , CHIRAKAL R. V. , OLAH G. A.
Published: May 2016

The thermal decomposition of NF4HF2, prepared by reaction of NF4PF6 and CsHF2 in anhydrous HF, is studied by the use of 18F labeled HF2‐ and a radioassay of the decomposition products.
ChemInform Abstract: Crystal Structure of CdMnF5.
Authors: WANDNER K.‐H. , HOPPE R.
Published: May 2016

Single crystals of the title compound are prepared for the first time by thermal decomposition of CdMnF6 (Au tube, argon, 640 °C, 7 d).
ChemInform Abstract: Crystal Structure of KCuCrF6.
Authors: KISSEL D. , HOPPE R.
Published: May 2016

Green single crystals of the title compound are obtained for the first time by annealing KF, CuF2, and CrF3 (closed Au tube, 750 °C, 60 d, dry argon).
ChemInform Abstract: X‐Ray Investigation of Ba2YCu3O6.
Authors: GARBAUSKAS M. F. , GREEN R. W. , ARENDT R. H. , KASPER J. S.
Published: May 2016

The title compound, which exhibits no superconductivity down to 4.2 K, is an oxygen‐deficient form of the high‐temp.
ChemInform Abstract: Electrical Conductivity and Defect Models of MgO‐Doped Cr2O3.
Authors: PARK J. S. , KIM H. G.
Published: May 2016

The dc electrical conductivity of polycrystalline MgO‐doped Cr2O3 increases with increasing oxygen partial pressure and temperature.
ChemInform Abstract: Influence of Oxygen, Water, Chlorine, and Bromine on the Transport of Carbon in Systems Containing Fluorine.
Authors: RIESEL L. , RIETZE K.‐H. , VOGT H.
Published: May 2016

According to thermodynamic calculations for the systems C(s)‐F‐O, C(s)‐F‐O‐H, C(s)‐F‐Cl, and C(s)‐F‐Br oxygen and water are detrimental for the C transport in C‐F lamps.
ChemInform Abstract: Phase Diagram Relationships in the System Cu‐Ti‐Zr.
Authors: WOYCHIK C. G. , MASSALSKI T. B.
Published: May 2016

By the aid of more than 100 alloys a detailed investigation is presented on the whole liquidus surface in the title system.
ChemInform Abstract: Electrosynthesis of Unsymmetrical Biaryls Using a SRN1 Type Reaction.
Authors: ALAM N. , AMATORE C. , COMBELLAS C. , THIEBAULT A. , VERPEAUX J.‐N.
Published: May 2016

The chlorobenzonitriles (I) react electrochemically with the phenolate (II), generated in situ from the corresponding phenol and potassium tert‐butoxide, to give the biaryl derivatives (III) and the phenol (IV).
ChemInform Abstract: Tetracyclo(5.3.0.02,8.03,6)deca‐4,9‐diene. A New (CH)10 Hydrocarbon.
Authors: GLEITER R. , STEUERLE U.
Published: May 2016

The readily available dione derivative (I) is converted to the tricyclic compound (II) which on irradiation yields the products (III), (IV), and (Va).
ChemInform Abstract: Highly Efficient Synthesis of Alkylidene‐ and Allylidenecyclopropanes.
Authors: COHEN T. , JUNG S.‐H. , ROMBERGER M. L. , MCCULLOUGH D. W.
Published: May 2016

The (fused) silylsulfenylcyclopropanes (I) are lithiated and then coupled with the aldehydes (IV) to form the carbinols (V).
ChemInform Abstract: Chlorotrimethylsilane Promoted Asymmetric Michael Reaction of Chiral Enamines of α‐Alkyl β‐Keto Esters.
Authors: TOMIOKA K. , SEO W. , ANDO K. , KOGA K.
Published: May 2016

Asymmetric Michael reaction of the chiral enamines (III), prepared from the β‐keto esters (I) and the valine derivative (II), with the vinyl ketones (IV) produces the diketo esters (V).
ChemInform Abstract: Photochemical C‐P Bond Cleavage of Benzoylbenzylphosphonic Acids.
Authors: OKAMOTO Y. , SIKATA T. , TAKAMUKU S.
Published: May 2016

The benzoylbenzylphoshonic acids (I) undergo photochemical P‐C bond cleavage in a basic ethanolic solution to yield the methylbenzophenones (II), together with orthophosphate and ethyl phosphate.
ChemInform Abstract: Use of Molybdate. Oxidative Decarboxylation of α‐Hydroxycarboxylic Acids.
Authors: DUTT S. , BANERJEE S. , HAZRA B. , BANERJEE A. , BANERJEE G. C.
Published: May 2016

Oxidative decarboxylation of the α‐hydroxycarboxylic acids (I) to form the ketones (II) is performed using ammonium molybdate.
ChemInform Abstract: Molybdenum‐Promoted Reactions of 7‐Oxabicyclo(2.2.1)heptadiene and Derivatives.
Authors: SUN C.‐H. , CHOW T. J.
Published: May 2016

Retro‐Diels‐Alder reaction of the oxabicycloheptadienes (I) in the presence of hexacarbonylmolybdenum gives the benzenes (II) as the main products.
ChemInform Abstract: Synthesis of 2,3‐Dialkylthiolanes.
Authors: VOLYNSKII N. P. , PEREPELITCHENKO L. I. , KOSHEVNIK A. YU.
Published: May 2016

To date no reliable methods are known for the preparation of the title compounds (VIII).
ChemInform Abstract: Cycloadditions with Acylhydrazones. Selective Diastereomeric Pyrazolidine Synthesis and Nitrile Acylimine Synthons.
Authors: BADAWY M. A. , EL‐BAHAIE S. A. , KADRY A. M. , IBRAHIM Y. A.
Published: May 2016

The N‐aroylhydrazones (I) undergo cycloaddition with the N‐arylmaleimides (II) to form the perhydro(3,4‐c)pyrazolediones (III) or (IV) depending on the reaction time.
ChemInform Abstract: Utilization of α,β‐Unsaturated Acids as Michael Acceptors for the Synthesis of Thieno(2,3‐b)thiopyrans.
Authors: PONTICELLO G. S. , FREEDMAN M. B. , HABECKER C. N. , HOLLOWAY M. K. , AMATO J. S. , CONN R. S. , BALDWIN J. J.
Published: May 2016

2‐Mercaptothiophene (I) is coupled with several acrylic acid derivatives (II) to give the Michael adducts (III).
ChemInform Abstract: Synthesis of N‐Methylindolo(2,3‐c)pyrans and Related Compounds.
Authors: CHATTERJEA J. N. , SWAROOP B. B. , SINGH R. P. , OJHA N.
Published: May 2016

Treatment of the indole derivative (Ia) with acetic anhydride (II) results in cyclization, forming the indolo(2,3‐c)pyrans (III).
ChemInform Abstract: Pyrrolo(2,3‐d)pyrimidines. Synthesis and Reaction of 2‐Amino‐3‐cyanopyrroles.
Authors: DAVE C. G. , SHAH P. R. , UPADHYAYA S. P.
Published: May 2016

Cyclocondensation of the bromoalkylidenemalononitriles (I) with the anilines (II) gives the 2‐amino‐3‐cyanopyrroles (III).
ChemInform Abstract: Synthesis and Complexing Properties of Diaza‐Crown and Cryptand Ligands with Inward‐Facing Phenolic Groups.
Authors: CZECH A. , CZECH B. P. , BARTSCH R. A. , CHANG C. A. , OCHAYA V. O.
Published: May 2016

The dibromide (I) is converted into the dialcohol (II) which is coupled with chloroacetic acid (III).
ChemInform Abstract: Ligand Field, Electronic and Solvent Effects in the Non‐Aqueous Electrochemistry of Tris(β‐dionato)chromium(III) Chelates.
Authors: TSIAMIS C. , HADJIKOSTAS C. C. , KARAGEORGIOU S. , MANOUSSAKIS G. E.
Published: May 2016

The electrochemical behavior of a series of chelates (I) is investigated in acetonitrile and acetone.
ChemInform Abstract: Thermal Decarbonylation of Molybdenum(II) Carbonyl‐Iodide Complexes. Molecular and Electronic Structures of the Mixed‐Valence Trinuclear Clusters Mo3HI7L3 (L: Tetrahydrofuran, Acetonitrile, Benzonitrile) and Molecular Structures of MoI3(EtCN)3 and Mo2I4(PhCN)4.
Authors: COTTON F. A. , POLI R.
Published: May 2016

The material produced in the thermal decarbonylation of (I) appears to be a mixture of two or more products.
ChemInform Abstract: Nonanuclear Oxide‐Bridged Manganese Complex. Preparation, Structure, and Magnetic Properties of (Mn9O4(O2CPh)8(sal)4(salH)2(pyr)4) (salH2 = Salicylic Acid; pyr = Pyridine).
Authors: CHRISTMAS C. , VINCENT J. B. , CHANG H.‐R. , HUFFMAN J. C. , CHRISTOU G. , HENDRICKSON D. N.
Published: May 2016

The mixed‐valence title complex is prepared from Mn3O(O‐CO‐Ph)6(Py)2(H2O) in MeCN by addition of solid salicylic acid (3 equiv.) with a yield of 35‐40%.
ChemInform Abstract: Multiple Bonds Between Main Group Elements and Transition Metals. Part 50. Methylrhenium Oxides: Synthesis from Re2O7 and Catalysis Activity in the Olefin Metathesis.
Authors: HERRMANN W. A. , KUCHLER J. G. , FELIXBERGER J. K. , HERDTWECK E. , WAGNER W.
Published: May 2016

The catalyst components (I) and (II) react to give (III) and (IV).
ChemInform Abstract: Reactions of Coordinated Ligands. Part 18. Template Synthesis of Macrocyclic Multiphosphine Ligands with Functional Groups.
Authors: BRAUER D. J. , LEBBE T. , STELZER O.
Published: May 2016

Cyclization of the complex‐bound triphosphine (I) with the phosphine (II) yields the complex (Va) of a 14‐membered crown phosphine, which is converted to the cyano derivative (Vb).
ChemInform Abstract: Complexes of Dibenzylsulfoxide with the First Series Transition Metal Nitrates.
Authors: ZULU M. M. , MADAN S. K.
Published: May 2016

The characterization of the complexes (I) and (II) (prepared in 35‐45% yield by reacting the hydrated metal nitrates with the sulfoxide in t‐butanol in the presence of triethyl orthoformate) by IR, electronic spectra, X‐ray diffraction analysis, molecular conductivities, and magnetic susceptibility measurements indicates that the metal ions manifest a coordination number of six, and that the nitrate groups are coordinated.
ChemInform Abstract: Polyauriomethane Compounds.
Authors: SCHMIDBAUR H. , SCHERBAUM F. , HUBER B. , MUELLER G. +
Published: May 2016

Reactions of the carbodiphosphoranes (II) and (V) with the triphenylphosphine‐Au(I) compounds (I) or (IV) lead to the 1:1 and cationic 1:2 complexes (III) and (VI), respectively.
ChemInform Abstract: A Study of Chemical Carcinogenesis. Part 104. A Study of Reactions of α,β‐Unsaturated Carbonyl Compounds with Deoxyguanosine.
Authors: CHUNG F.‐L. , ROY K. R. , HECHT S. S.
Published: May 2016

Deoxyguanosine (II) reacts with the Michael acceptors (I) to give the anellated compounds (III) and (V).
ChemInform Abstract: 3‐Acyltetramic Acid Antibiotics. Part 2. Synthesis of (+)‐Streptolic Acid.
Authors: IRELAND R. E. , SMITH M. G.
Published: May 2016

An efficient synthesis of the title compound (VII) starts from the glucose‐derived compound (I).
ChemInform Abstract: Quantized Colloids Produced by Dissolution of Layered Semiconductors in Acetonitrile.
Authors: PETERSON M. W. , NENADOVIC M. T. , RAJH T. , HERAK R. , MICIC O. I. , GORAL J. P. , NOZIK A. J.
Published: May 2016

Results of XRD, electron diffraction, electron microscopy, EDAX, and chemical analyses provide very strong evidence that small colloidal particles (10‐35 Å) of crystalline MoS2 and WS2 showing size quantization effects in their optical absorption spectra are formed by simple dissolution of the solid material in MeCN.
ChemInform Abstract: Additional Magnetic Examinations of Ti3‐xMxO5 Phases (M: Al3+, Fe2+, Mn2+, Mg2+) with a Contribution About CrTi2O5.
Authors: MUELLER‐BUSCHBAUM HK. + , BLUHM K.
Published: May 2016

The magnetic properties of the title phases, prepared by heating Ti2O3, TiO2, and M2O3 of MO, resp., to 1900 °C (CO2 laser technique), are examined by the Faraday method as a function of temperature.
ChemInform Abstract: The Isothermal Section at 1273 K in the Ti‐Si‐O System
Authors: DO VUONG HOANH DO VUONG HOANH , KRABBES G. , KRAUSZE R.
Published: May 2016

is investigated by phase analysis of quenched samples or by evaluation of the phase sequence in chemical vapor transport experiments.
ChemInform Abstract: Preparation and Crystal Structure of the Calcium Pnictide Iodides Ca2NI, Ca2PI, and Ca2AsI.
Authors: HADENFELDT C. , HERDEJUERGEN H. +
Published: May 2016

Ca2NI is obtained according to the scheme as an crystalline, easily hydrolyzable powder of light yellow‐grey color.
ChemInform Abstract: Thermal Decomposition of Ammonium Metavanadate(V) in Open and Closed Systems.
Authors: RANGE K.‐J. , ZINTL R. , HEYNS A. M.
Published: May 2016

It is found that thermal decomposition of NH4VO3 (I) in a closed high‐pressure system involves the redox reaction between V(V) and NH3 to yield with increasing temp. the compounds (NH4)2V6O12(OH)2, VO2‐x(OH)x, and V2nO2n‐1.
ChemInform Abstract: Formation and Reaction of Trichloro Complexes of Bivalent Transition Metals in 1,2‐Dichloroethane.
Authors: SATOH K. , SUZUKI T. , SAWADA K.
Published: May 2016

By means of spectrophotometry and vapor‐pressure osmometry the chemical forms prepared in NBu4Cl/ClCH2‐CH2Cl solution saturated with metal chlorides are investigated.
ChemInform Abstract: Vinyl Ethers with an Epoxy Group. Part 15. Reactions with the System Primary Amine ‐ Carbon Disulfide.
Authors: NEDOLYA N. A. , KOMEL'KOVA V. I. , TROFIMOV B. A.
Published: May 2016

A 1:1:1 molar mixture of the epoxide (I), the vinyloxyamine (II) and carbon disulfide (III) reacts exothermically to give the monoadduct (IV).
ChemInform Abstract: Photochemical Reactions. Part 149. Photochemistry of 7,8‐Dihydro‐4‐hydroxy‐β‐ionone and Derivatives.
Authors: PASCUAL A. , BISCHOFBERGER N. , FREI B. , JEGER O.
Published: May 2016

The photolysis of the title compound (Ia) leads to the products (II)‐(VII) in ratios depending on the solvent and the reaction temperatures.
ChemInform Abstract: Deamination Reactions. Part 49. Decomposition of 2‐Oxa‐5‐ and ‐6‐norbornanediazonium Ions.
Authors: KIRMSE W. , MROTZECK U.
Published: May 2016

The difficultly accessible 2‐oxa‐tosylhydrazone (VI) is prepared from the cyclopentene (I) as shown.
ChemInform Abstract: Effect of Static Pressure on the Ultrasonic Activation of Chemical Reactions. Selective Oxidation at Benzylic Carbon in the Liquid Phase.
Authors: CUM G. , GALLO R. , SPADARO A. , GALLI G.
Published: May 2016

In accordance with the theory of acoustic cavitation the sonocatalytic effect on the title reaction is maximized at definite values of pressure (300 and 450 torr, resp.) allowing the best coupling with the ultrasonic field (21.5 and 48 kHz).
ChemInform Abstract: Synthesis of 1Z,3Z‐1,4‐Dibromobutadiene, 1Z,3Z‐1‐Bromo‐4‐lithiobutadiene, and 1Z,3Z‐1,4‐Dilithiobutadiene. Structure of 1Z,3Z‐(η5‐C5H5)Fe(CO)2CH=CHCH=CHBr.
Authors: FEREDE R. , NOBLE M. , CORDES A. W. , ALLISON N. T. , LAY J. JUN.
Published: May 2016

The bissilylbutadiene (I) is converted to the tetrabromide (II).
ChemInform Abstract: Monoalkylaminomethylation of Organometallics with N‐Alkyl N‐Trimethylsilyl Alkoxymethylamines.
Authors: COURTOIS G. , MIGINIAC L.
Published: May 2016

The N‐(trimethylsilyl)amines (III), prepared from the amines (I) and trimethylchlorosilane (II), are converted to the alkoxymethyl derivatives (V).
ChemInform Abstract: Ferroelectric Liquid Crystals. Part 2. Chiral Phenyl Benzoates Incorporating a trans‐1,4‐Disubstituted Cyclohexane Ring.
Authors: KELLY S. M. , BUCHECKER R.
Published: May 2016

Similar liquid‐crystal transition temp. are observed for (I) despite of large differences in rigidity, linearity, and polarizability in the linkages.
ChemInform Abstract: Potential Histamine H2‐Receptor Antagonists: Analogues of Classical Antagonists Containing 4‐Substituted 3‐Aminofurazan Moieties.
Authors: DEFILIPPI A. , SORBA G. , CALVINO R. , GARRONE A. , GASCO A. , ORSETTI M.
Published: May 2016

The aminofurazans (I) are acylated and then reduced to give the chloroalkyl derivatives (IV).
ChemInform Abstract: Synthesis and 5‐Hydroxytryptamine Antagonist Activity of 2‐((2‐(Dimethylamino)ethyl)thio)‐3‐phenylquinoline and Its Analogues.
Authors: BLACKBURN T. P. , COX B. , GUILDFORD A. J. , LE COUNT D. J. , MIDDLEMISS D. N. , PEARCE R. J. , THORNBER C. W.
Published: May 2016

The quinolinones (I), prepared by known methods, undergo O/S‐exchange upon treatment with Lawesson's reagent or thiourea to yield the quinolinethiones (II).
ChemInform Abstract: Investigations on β‐Sultones. Part 6. Reactions of in situ Generated Sulfenes with Vicinal Tricarbonyl Compounds.
Authors: HANEFELD W. , SPANGENBERG B.
Published: May 2016

Sulfenes generated in situ from the sulfonyl chlorides (I) and the tertiary amines (III) are coupled with vicinal tricarbonyl compounds such as (II) and (V) to give the ammonium sulfonates (IV) or (VI) as the main products.
ChemInform Abstract: Studies of Pyrimidine‐2,4‐diones: Synthesis of Novel Condensed Pyrido(2,3‐d)pyrimidines via Intramolecular Cycloadditions.
Authors: PRAJAPATI D. , BHUYAN P. , SANDHU J. S.
Published: May 2016

The uracil (I) is converted to the furfuryluracils (III), which undergo oxime formation and cyclization of the corresponding nitrile oxides to give the spiro‐condensed pyridopyrimidines (V).
ChemInform Abstract: Mesomeric Betaines of Azolium Azolate: Synthesis and Properties.
Authors: ALCALDE E. , DINARES I. , FRIGOLA J.
Published: May 2016

The imidazoles (I) are coupled with the 2‐chlorobenzimidazoles (II) to give the azolium salts (III) which form the betaines (IV) on treatment with basic ion exchange resins.
ChemInform Abstract: Phosphorylated Alkoxyacetylenes. Part 4. Reaction of Ethoxyethynyldi‐tert‐butylphosphine with Sulfur and Ethanesulfenyl Chloride.
Authors: LUKASHEV N. V. , ARTYUSHIN O. I. , KOMISSAROV V. YU. , KAZANKOVA M. A. , LUTSENKO I. F.
Published: May 2016

Reaction of the phosphine (I) with sulfur (II) gives the unstable phosphine sulfide (III) which isomerizes, producing the ketenylidenephosphorane (IV).
ChemInform Abstract: Thermal Cyclization of a 1,3‐Diphosphaallene. Formation of a 1,2,3,4‐Tetrahydro‐1‐phosphanaphthalene.
Authors: YOSHIFUJI M. , NIITSU T. , TOYOTA K. , INAMOTO N. , KARSCH H. H. , REISACHER H.‐U.
Published: May 2016

The diphosphaallene (I) undergoes ring closure upon heating to form the phosphanaphthalene (II) which equilibrates with its stereoisomer (III).
ChemInform Abstract: Synthesis and Structure of Cp3U=CHPMe3: A Compound with a U=C Multiple Bond.
Authors: CRAMER R. E. , BRUCK M. A. , EDELMANN F. , AFZAL D. , GILJE J. W. , SCHMIDBAUR H.
Published: May 2016

The title compound (III) is synthesized according to the scheme.
ChemInform Abstract: A Novel Coordination Mode for the Squarate Ligand (Dihydroxycyclobutenedionate(2‐)): Synthesis, Crystal Structure, and Magnetic Properties of catena‐Diaqua(2,2′‐bipyridyl)‐μ‐(squarato‐O1,O2)‐nickel(II) Dihydrate.
Authors: SOULES R. , DAHAN F. , LAURENT J.‐P. , CASTAN P.
Published: May 2016

The title complex (I) is obtained by 1:1:1 molar reaction of NiCl2·6 H2O, squaric acid, and 2,2'‐bipyridine in water.
ChemInform Abstract: The Heteronuclear Cluster Chemistry of the Group 1B Metals. Part 5. X‐Ray Crystal Structure and Dynamic Behavior of the Heptanuclear Mixed‐Metal Cluster (Au3Ru4(μ‐H)(CO)12(μ‐Ph2PCH2PPh2)(PPh3)).
Authors: ADATIA T. , MCPARTLIN M. , SALTER I. D.
Published: May 2016

The X‐ray structure analysis of the title cluster (I) (space group P21/n, Z=4) shows that the Au3Ru4 skeleton may be described as a distorted Au2Ru3 square pyramid, capped on two adjacent triangular faces by a Ru(CO)3 and a Au(PPh3) unit.
ChemInform Abstract: Synthetic Studies Toward the Pinguisanes; Synthesis of 4‐epi‐Pinguisone.
Authors: BAKER R. , SELWOOD D. L. , SWAIN C. J. , WEBSTER N. M. H. , HIRSHFIELD J.
Published: May 2016

The key intermediate (Va) for the synthesis of the title compound (XII) is synthesized by two approaches from reactions of the Diels‐Alder components (IV) + (III) or the Michael reaction components (VI) (available from (IV)) + (III), resp., as shown in the scheme.
ChemInform Abstract: Petuniasterones, Novel Ergostane‐Type Steroids of Petunia hybridia Vilm. (Solanaceae) Having Insect‐Inhibitory Activity. X‐Ray Molecular Structure of the 22,24,25‐((Methoxycarbonyl)orthoacetate) of 7α,22,24,25‐Tetrahydroxyergosta‐1,4‐dien‐3‐one and of 1α‐Acetoxy‐24,25‐epoxy‐7α‐hydroxy‐22‐(methylthiocarbonyl)acetoxyerg# ost‐4‐en‐3‐one.
Authors: ELLIGER C. A. , BENSON M. E. , HADDON W. F. , LUNDIN R. E. , WAISS A. C. JUN. , WONG R. Y.
Published: May 2016

Petuniasterone A (Ia) is isolated from the title species as main component together with the compounds (IIa)‐(IIc) and (IIIa)‐(IIIc).
ChemInform Abstract: Phosphorylated Sugars. Part 24. Methyl 3‐Deoxy‐α‐D‐manno‐oct‐2‐ulopyranosidonic Acid 4‐(Dihydrogen Phosphate): Synthesis, Stability in Acidic Medium, and Colorimetric Estimation.
Authors: SARFATI S. R. , LE DUR A. , SZABO L.
Published: May 2016

The synthesis of the title compound (II) is accomplished starting from the compound (I).