bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Complex Eliminations and Solvolyses of N‐Acyl‐1,5‐benzothiazepin‐4‐ones.
Authors: KAUPP G. , MATTHIES D.
Published: May 2016

Solvolysis of the title compounds (I) and (VII) leads to the products (III) and (IV).
ChemInform Abstract: Thiodialkylenyl‐5‐bistetrazoles and Thiouronium Salts as Potential Slow Acting Anticancer Agents.
Authors: KUMAR A. , TILAK B. D.
Published: May 2016

The bis‐amides (I) are transformed to the tetrazoles (III) as shown.
ChemInform Abstract: A Facile and Convenient Synthesis of Lipophilic Tetraalkylammonium or Phosphonium Hydrogen Sulfates.
Authors: DE GIORGI M. , LANDINI D. , MAIA A. , PENSO M.
Published: May 2016

The quaternary ammonium or phosphonium azides (I) are converted to the corresponding lipophilic hydrogen sulfates (II) by treatment with KHSO4 and sulfuric acid in benzene.
ChemInform Abstract: Synthesis, Stereostructure and Absolute Configuration of (‐)‐2‐Carboxymethyl‐4‐(R)‐methoxy‐2‐cyclopenten‐1‐one.
Authors: LOLYA D. O. , MISHNEV A. F. , BLEIDELIS YA. YA. , ANDRIANOV V. I. , FREIMANIS YA. F.
Published: May 2016

The (‐)‐ephedrinium salt (IV) of the title compound ‐ its yield is given in g ‐ is prepared and single crystals are submitted to an X‐ray analysis.
ChemInform Abstract: Trifluoroacetic Anhydride as a Medium for Organic Reactions. Functionalization of Adamantane and Its Derivatives.
Authors: KOVALEV V. V. , FEDOROVA O. A. , SHOKOVA E. A.
Published: May 2016

Adamantane (I), on treatment with excess trifluoroacetic anhydride (II) in the presence of the stoichiometric quantity of conc.
ChemInform Abstract: A Novel Rearrangement in a 1,3‐Bishomocubyl Ring System.
Authors: MARCHAND A. P. , JIN P.‐W. , FLIPPEN‐ANDERSON J. L. , GILARDI R. , GEORGE G.
Published: May 2016

The dinitrohomocubyl derivative (VI), the synthesis of which is outlined in the reaction scheme, yields the rearranged product (VIII) on treatment with potassium ferricyanide in methanol (VII).
ChemInform Abstract: Asymmetric Michael Additions via SAMP‐/RAMP‐Hydrazones. Enantioselective 1,4‐Addition of Methyl Ketones to Knoevenagel Acceptors.
Authors: ENDERS D. , DEMIR A. S. , RENDENBACH B. E. M.
Published: May 2016

The title addition of the lithiated SAMP‐hydrazones (IV) to the diester (V) or the dinitrile (VII) followed by ozonolysis leads to the products (VI) or (VIII).
ChemInform Abstract: Benzophenanthridines. Part 5. A Study of the Scheme of Rodionov and Suvorov. Synthesis of 3,3‐Diethoxycarbonyl‐2‐(3,4‐dimethoxyphenyl)‐6,7‐dimethoxy‐1‐tetralone.
Authors: DAO KHUNG KYONG DAO KHUNG KYONG , SLADKOV V. I. , SUVOROV N. N.
Published: May 2016

The synthesis of the title compound (X) is described.
ChemInform Abstract: Metacyclophanes and Related Compounds. Part 19. Reaction of 8‐Methoxy‐(2.2)metacyclophanes with Iodine in Benzene Solution. A Preparative Route of Pyrenes.
Authors: TASHIRO M. , YAMATO T. , KOBAYASHI K. , ARIMURA T.
Published: May 2016

The 8‐methoxymetacyclophanes (V) are prepared from the bisthiol (I) and the bis(halomethyl)arenes (II) via the cyclic bisthioethers (III) and the cyclic disulfoxides (IV).
ChemInform Abstract: Generation of a Ketocarbenoid from α,α‐Dibromodeoxybenzoin by Samarium(II) Iodide and Its Trapping by Alkene Cycloaddition.
Authors: FUKUZAWA S. , FUJINAMI T. , SAKAI S.
Published: May 2016

α,α‐Dibromodeoxybenzoin (I) reacts with samarium(II) iodide to form an intermediate ketocarbenoid which is regioselectively trapped with the alkenes (II), forming the dihydrofurans (III).
ChemInform Abstract: Nucleophilic Displacements of Imidazoles. Part 1. Oxygen, Nitrogen and Carbon Nucleophiles.
Authors: KULKARNI S. , GRIMMETT M. R. , HANTON L. R. , SIMPSON J.
Published: May 2016

The title reaction of the 5‐iodo‐imidazoles (I) leads to the products (III), while the compounds (VII) are obtained from analogous reactions of the 4‐iodo‐imidazoles (VI) and (VIII).
ChemInform Abstract: Synthesis and Spectroscopic Properties of 2‐(2‐Furyl)‐ and 2‐(2‐Thienyl)‐5‐aryl‐1,3,4‐oxadiazoles.
Authors: PATSENKER L. D. , SHKUMAT A. P. , ADONINA N. V. , POLYAKOV V. K. , LAVRUSHIN V. F.
Published: May 2016

Reaction of the benzoic hydrazides with the acid chlorides (II) gives the diacylhydrazines (III) which are cyclized on heating with phosphoryl chloride, producing the oxadiazoles (IV).
ChemInform Abstract: A New Synthesis of 3‐Arylcoumarins: Synthesis of Coumestan.
Authors: PHANSALKAR M. S. , DESHMUKH K. K. , KELKAR S. L. , WADIA M. S.
Published: May 2016

Reaction of the aldehydes (I) with the morpholides (II) in the presence of POCl3 yields the desired 3‐aryl coumarins (III).
ChemInform Abstract: Synthesis of New Cyclic Sulfur Ylides. 9‐Alkyl‐10‐cyano‐9‐thiaphenanthrenes and Their Novel Addition Reactions with Acetylenic Electrophiles.
Authors: HORI M. , KATAOKA T. , SHIMIZU H. , KOMATSU O. , HAMADA K.
Published: May 2016

The 3,4‐benzothiocoumarin (I) is converted into the thiaphenanthrene ylides (VII) which react with the dialkyl acetylenedicarboxylates (IX) to give the products (X) ‐ (XII) or (XVIII) and (XIX).
ChemInform Abstract: Synthesis Through the Interconversion of Methoxyboranes and Boron Hydrides: 9‐BBN Systems.
Authors: SODERQUIST J. A. , NEGRON A.
Published: May 2016

9‐Methoxy‐9‐borabicyclo(3.3.1)nonane (= 9‐methoxy‐9‐BBN) (I) reacts with the borane ‐ dimethyl sulfide adduct to give 9‐BBN (II), trimethoxyborane (III) and dimethoxyborane (IV).
ChemInform Abstract: Catalyzed Hydrosilylation of 2‐Methyl‐1‐buten‐3‐yne with Methyldichlorosilane. Promotional Effect Imparted by the Presence of a Different Chlorosilane.
Authors: LICCHELLI M. , GRECO A.
Published: May 2016

2‐Methyl‐1‐buten‐3‐yne (I) is coupled with the chloromethylsilanes (II) in the presence of hexachloroplatinic acid to give the adducts (III) and (IV).
ChemInform Abstract: Synthesis and X‐Ray Crystallographic Characterization of a Stable Dioxadiphosphetane.
Authors: POWELL J. , NG K. S. , SAWYER J. F.
Published: May 2016

The dioxadiphosphetane (II) is synthesized from the diazaphospholidine derivative (I).
ChemInform Abstract: Magnesium‐Anthracene‐Systems. Part 3. 9,10‐(1′‐Magnesiapropano)‐9,10‐dihydroanthracene ‐ Synthesis, Structure, and Reactivity.
Authors: BOGDANOVIC B. , JANKE N. , KRUEGER C. + , SCHLICHTE K. , TREBER J.
Published: May 2016

The structures of the title compound (IIIa) and its methyl derivative (IIIb) are confirmed by X‐ray analysis (space groups P21/a and P212121 with Z = 8 and Z=4, respectively).
ChemInform Abstract: Valence Tautomers of Dimethyl Cycloocta‐2,5,7‐triene‐1,4‐dicarboxylate and an Iron Tricarbonyl Complex Therefrom.
Authors: KERBER R. C. , MUELLER H. +
Published: May 2016

Freshly prepared cyclooctatrienyldilithium (I) reacts with a large excess of dry ice (II) to give a mixture of the dicarboxylic acids (III) and (IV).
ChemInform Abstract: Vitamin B12 and Coenzyme B12 Models. Part 1. Synthesis and Physical Characterization of Alkyl‐ and (Non‐alkyl)cobalt(III) Complexes of 3,8‐Dimethyl‐5,6‐benzo‐4,7‐diazadeca‐3,7‐diene‐2,9‐dione Dioxime.
Authors: RAMANUJAM V. V. , ALEXANDER V.
Published: May 2016

The title ligand (I), prepared by the condensation of o‐phenylenediamine with diacetyl monoxime, reacts to give the Co complexes (III).
ChemInform Abstract: A New 1,3‐Diphosphaallylnickel Complex for the Polymerization of Ethene.
Authors: KEIM W. , APPEL R. , GRUPPE S. , KNOCH F.
Published: May 2016

The new Ni complex (III) exists in solution as a η3‐coordinated diphosphaallyl compound (1H and 13C NMR evidence).
ChemInform Abstract: 1,4,8,11,15,18,22,25‐Octaalkyl Phthalocyanines: New Discotic Liquid Crystal Materials.
Authors: COOK M. J. , DANIEL M. F. , HARRISON K. J. , MCKEOWN N. B. , THOMSON A. J.
Published: May 2016

The phthalocyanines (VII) and their copper(II) complexes (VIII) are synthesized as shown in the reaction scheme.
ChemInform Abstract: Reaction of Sn4‐ 9 with Monocrystalline Gold Foils: Epitaxial Growth of Fibrous AuSn Crystallites at Room Temperature.
Authors: HAUSHALTER R. C. , TREACY M. M. J. , RICE S. B.
Published: May 2016

Immersion of a 20 nm thick monocrystalline Au foil in a solution of K4Sn9 in en results in the rapid epitactic formation of AuSn fibres.
ChemInform Abstract: Structural Chemistry of Phyllomanganates: Experimental Evidence and Structural Models.
Authors: STROBEL P. , CHARENTON J.‐C. , LENGLET M.
Published: May 2016

A general vacancy model for the structure of phyllomanganates(IV) of general formula (Mn4+ n‐1O2n)Ax·yH2O has been developed and tested for a wide range of compounds containing various A cations in oxidation states of Z = +1 to +3, using new syntheses and a review of compositions.
ChemInform Abstract: Effect of Sintering Atmosphere on Isolated Pores During the Liquid‐Phase Sintering of MgO‐CaMgSiO4.
Authors: KIM J.‐J. , KIM B.‐K. , SONG B.‐M. , KIM D.‐Y. , YOON D. N.
Published: May 2016

The shrinkage behavior of isolated pores during liquid‐phase sintering of MgO‐CaMgSiO4 at 1650 °C in O2 and N2 atmospheres has been studied.
ChemInform Abstract: IR Spectroscopic Characterization of Manganese Dioxides.
Authors: STEGER W. E. , ZICHNER K. , LUNKWITZ R.
Published: May 2016

ε‐MnO2 (obtained from aqueous Mn(NO3)2 solution, reflux, O2 stream) is characterized by a broad absorption from 900 to 360 cm‐1.
ChemInform Abstract: The Adsorption Kinetics of O2 on V2O5
Authors: QUARANTA N. E. , GAMBARO L. A. , THOMAS H. J.
Published: May 2016

have been investigated at 473‐723 K at O2 pressures of 5000‐11000 Pa using a conventional volumetric method.
ChemInform Abstract: A Comparative Study of OH Radical Desorption in the H2 + O2 Reaction on Pt, Pd, Rh, Ir, and Ni
Authors: LJUNGSTROEM S. + , HALL J. , KASEMO B. , ROSEN A. , WAHNSTROEM T. +
Published: May 2016

has been performed using laser‐induced fluorescence detection of desorbed OH radicals as a function of total pressure, temp., and H2/O2 partial pressure ratio.
ChemInform Abstract: Photocatalytic Activity of TiO2 Species in Ti‐Al Binary Metal Oxides.
Authors: ANPO M. , KAWAMURA T. , KODAMA S. , MARUYA K. , ONISHI T.
Published: May 2016

The title binary oxide catalysts are prepared by coprecipitation from aqueous TiCl4/AlCl3 mixed solutions and used as photocatalysts for the hydrogenation of C3H6 with H2O and the isomerization of cis‐2‐C4H8.
ChemInform Abstract: A Novel Route to m‐Aminobenzotrifluoride.
Authors: BOUDAKIAN M. M.
Published: May 2016

m‐Nitrobenzotrichloride (I) is fluorinated and reduced simultaneously by treatment with an anhydrous hydrogen fluoride/ammonium tetrafluoride complex to give m‐aminobenzotrifluoride (II).
ChemInform Abstract: Fluoroalkylnorbornadienes and Their Corresponding Valence Isomer Quadricyclanes. A Light Energy Storage System.
Authors: HIRAO K. , YAMASHITA A. , YONEMITSU O.
Published: May 2016

Diels‐Alder reaction of the cyclopentadienes (I) with the fluoroalkylpropiolates (II) yields the cycloadducts (III) or (IV).
ChemInform Abstract: N‐(Polyfluoroaryl)hydroxylamines. Synthesis and Properties.
Authors: MILLER A. O. , FURIN G. G.
Published: May 2016

The fluorinated N‐arylhydroxylamines (III) and (V) are synthesized by reaction of the polyfluorinated benzenes and pentafluoropyridine (I) with hydroxylamine hydrochloride (II) or the N‐benzylhydroxylamines (IV).
ChemInform Abstract: Facile Preparation of γ‐Chloro‐Substituted Allylmetallic Reagents and Their Reactions. Stereoselective Access to cis‐Vinyloxiranes.
Authors: HOSOMI A. , KOHRA S. , TOMINAGA Y. , ANDO M. , SAKURAI H.
Published: May 2016

The allylic chlorides (I) react with lithium tetramethylpiperidide and the organometallic compounds (II) to form the γ‐chloroallyl metallates (III).
ChemInform Abstract: Synthesis of the Anhydrosulfide of Alkyl Xanthic Acid.
Authors: DARJI R. R. , SHAH A.
Published: May 2016

Reaction of phthaloyl dichloride (I) with the potassium xanthates (II) yields the anhydrosulfides (IV), together with thiophthalic anhydride (III).
ChemInform Abstract: New Methods for the Homologation of Thiazoles and Oxazoles by Regiospecific Lithiations of Thiazole‐ and Oxazolecarboxylic Acid Derivatives.
Authors: CORNWALL P. , DELL C. P. , KNIGHT D. W.
Published: May 2016

The dimethyloxazole‐ and dimethylthiazolecarboxylic acids (I) are converted to the dilithium salts (II) which are selectively coupled with the alkyl halides (III) or the carbonyl compounds (IV) to form the substitution products (V) and (VI).
ChemInform Abstract: 3‐Trifluoromethyl‐1H‐1,2,4‐triazoles from 5,5‐Bis(trifluoromethyl)‐1H‐ 1,2,4‐triazol‐3‐ines.
Authors: BURGER K. , KAHL T.
Published: May 2016

The 1,3‐diazabutadiene derivatives (Ia) and (Ib) react with HN3 to give the azides (IIa) and (IIb) which undergo ring closure reaction to yield the triazoline derivatives (IIIa) and (IIIb).
ChemInform Abstract: A Novel Photochemical 1,4‐Acyl Migration in Enol Esters. The Photolysis of Enol Acetates of 3‐Phenylpropiophenones.
Authors: ALVARO M. , BALDOVI V. , GARCIA H. , MIRANDA M. A. , PRIMO J.
Published: May 2016

The enol acetates (I) undergo photochemical rearrangement to give the ketones (II) and (III).
ChemInform Abstract: Reactivity of Aminocarbene Complexes of Chromium Containing a Coordinated C=C Double Bond Towards Alkynes: Formation of Azabicyclo(4.1.0)heptene Systems.
Authors: PARLIER A. , RUDLER H. , YEFSAH R.
Published: May 2016

The allylaminocarbene complexes (III), prepared from the ethoxycarbene complexes (I) and allylamine (II), undergo intramolecular coordination to form the complexes (IV).
ChemInform Abstract: Derivatives of Barbituric Acid. Part 38. An Enantiospecific Synthesis of Enantiomers of Barbiturates with a Basic Side Chain on Nitrogen.
Authors: KNABE J. , LAMPEN P.
Published: May 2016

Regiospecific coupling of the optically active cyanoacetates (I) with 1‐cyanoguanidine (II) gives the N‐cyanodiiminobarbituric acids (III) which are N‐alkylated, yielding (V).
ChemInform Abstract: Five‐Membered 2,3‐Dioxoheterocycles. Part 3. Reaction of 5‐Aryl‐2,3‐dihydrofuran‐2,3‐diones with Aliphatic and Aromatic Amino Nitriles.
Authors: ANDREICHIKOV YU. S. , NEKRASOV D. D. , RUDENKO M. A. , KONOVALOV A. YU.
Published: May 2016

The aryldihydrofurandiones (I) react with the nitriles (II), (IV), and (VI) to give the ring‐opened compounds (III), (V), or (VII).
ChemInform Abstract: Studies on Anellated 1,4‐Benzothiazines and 1,5‐Benzothiazepines. Part 3. Synthesis and CNS Activity of Some 1‐Substituted Derivatives of the Novel Heterocyclic System 4,5‐Dihydro‐s‐triazolo(3,4‐d)‐1,5‐benzothiazepine.
Authors: AMBROGI V. , GRANDOLINI G. , ROSSI C. , TIRALTI M. C.
Published: May 2016

The benzothiazepinones (I) are transformed into the benzothiazepinethiones (II) by reaction with Lawesson's reagent.
ChemInform Abstract: Thermolysis of 1,2,3,6‐Tetrahydro‐1,2‐diphenyl‐1,2‐diphosphorin 1,2‐Disulfide.
Authors: KAWASHIMA T. , SHIMAMURA M. , INAMOTO N.
Published: May 2016

The tetrahydro‐1,2‐diphosphorins (I) are thermolyzed in the presence of 2,3‐diphenylbutadiene (II): (Ia) yields the diphenyldiphosphorin (III) and the phospholene (IV).
ChemInform Abstract: Metal Pseudohalides. Part 41. Isomeric Organotin Dicyanamides.
Authors: KOEHLER H. + , MENZEL R. , MANDL F. , JAEGER L. +
Published: May 2016

The organotin dicyanamides (VI) and (VIII) are synthesized by reaction of the sodium organostannyl cyanamides (IV) and (VII) with BrCN (V).
ChemInform Abstract: Synthesis of Mixed Ligand Cationic Rhodium(I) Complexes with Diolefin and Substituted Quinoline N‐Oxides as Ligands.
Authors: CHRISTOFIDES A.
Published: May 2016

The addition of stoichiometric amounts of the ligands L2 (II) to the complexes (I) causes the displacement of one mole of the quinoline N‐oxide and the formation of the complexes (III).
ChemInform Abstract: Chemistry of Pyrrole Pigments. Part 72. Phytochrome Model Studies: Synthesis of a 2,3‐Dihydrobilatriene‐abc Bridged Between the Pyrrolic Rings A and C by a Peptidic Moiety.
Authors: FALK H. , KAPL G. , MEDINGER W. , MUELLER N. +
Published: May 2016

A strategy for the synthesis of bilatrienes‐abc bridged between A and C is developed and tested in a preparation of the A‐C bridged bilatriene (III) from the components (I) and (II).
ChemInform Abstract: Protection of the Amino Group of Amino Sugars by the Acylvinyl Group. Part 4. Koenigs‐Knorr Glycosidations with 3,4,6‐Tri‐O‐acetyl‐2‐deoxy‐2‐ ((4,4‐dimethyl‐2,6‐dioxocyclohexylidenemethyl)amino)‐α‐D‐glucopyranosyl Bromide.
Authors: GOMEZ‐SANCHEZ A. , DE GRACIA GARCIA‐MARTIN M. , GASCH C.
Published: May 2016

The title compound (I) reacts with the alcohols (II) to give the β‐glycosides (III).
ChemInform Abstract: Steroidal Alkaloids
Authors: HARRISON D. M.
Published: May 2016

Review: (84 refs.
ChemInform Abstract: Hydrogen Environments in Calcium Phosphates: 1H MAS NMR at High Spinning Speeds.
Authors: YESINOWSKI J. P. , ECKERT H.
Published: May 2016

It is shown, that fast magic‐angle spinning 1H NMR provides a powerful method for distinguishing and quantitating the various different chemical environments in which hydrogen atoms can occur in crystalline calcium phosphates, i.e., hydroxyapatite, fluorohydroxyapatites, calcium monohydrogen phosphate (moneite), calcium monohydrogen phosphate dihydrate (brushite), and octacalciumphosphate, including solid solutions.
ChemInform Abstract: Protection Against Photocorrosion of the Surface of n‐GaAs by Oxide Thin Film Deposition.
Authors: PUPRICHITKUN C. , CAMPET G. , CLAVERIE J.
Published: May 2016

Thin films of ITO (indium tin oxide) and SrTiO3 (0.3μm) are sputtered on n‐GaAs single crystals to prevent photocorrosion in KI/KIO3 aqueous electrolyte.
ChemInform Abstract: Photochemistry of Semiconductor Colloids. Part 22. Electron Injection from Illuminated CdS into Attached TiO2 and ZnO Particles.
Authors: SPANHEL L. , WELLER H. , HENGLEIN A.
Published: May 2016

Colloidal solutions of CdS containing colloidal TiO2 or ZnO are illuminated with visible light.
ChemInform Abstract: IR Spectroelectrochemistry of η3‐Allyl Dicarbonyl Complexes of Molybdenum(II) and Tungsten(II).
Authors: BRISDON B. J. , ENGER S. K. , WEAVER M. J. , WALTON R. A.
Published: May 2016

The electrooxidation of the title complexes (I) is studied by FTIR spectroscopy coupled with an optically transparent thin‐layer (OTTLE) cell.
ChemInform Abstract: Asymmetric Synthesis Using Chiral Piperazine. Part 1. Asymmetric Synthesis of 2‐Substituted Alcohol and Carboxylic Acid by Diastereoselective Alkylation of Chiral Diamides Derived from Piperazines.
Authors: SOAI K. , HAYASHI H. , SHINOZAKI A. , UMEBAYASHI H. , YAMADA Y.
Published: May 2016

The chiral auxiliary (I) is employed for the transformation of (II) to (VI), (VII) and (IX).
ChemInform Abstract: Thermal and Photolytic Decomposition of Tosylhydrazones of Cyclic Ketones Containing Sulfur Atom.
Authors: OGATA T. , KAWATA K. , OSHIKAWA T. , YOSHIDA H. , INOKAWA S.
Published: May 2016

Basic cleavage of the isomeric N‐tosylhydrazones (I) and (X), which are prepared by known methods via the corresponding thiopyranones, is performed under various thermolytic and photolytic conditions.
ChemInform Abstract: Photochemical C‐P Bond Cleavage of Some (Substituted Benzyl)phosphonic Acid Derivatives.
Authors: OKAMOTO Y. , IWAMOTO N. , SHIKATA T. , TAKAMUKU S.
Published: May 2016

Irradiation of the p‐substituted benzylphosphonates (Ia) ‐ (Id) in a basic aqueous medium results in C‐P bond cleavage, yielding the toluenes (IIa) ‐ (IId) and orthophosphate (III).
ChemInform Abstract: The Oxidation of 3‐(1‐Nitro‐2‐oxocycloalkyl)propanal.
Authors: ZUERCHER A. + , HESSE M.
Published: May 2016

Oxidation of the title compound (Ia) under neutral or basic conditions yields the acids (Ib)/(II) or (III).
ChemInform Abstract: Phase‐Transfer Catalyzed Permanganate Oxidations Using Tris(2‐(2‐methoxyethoxy)ethyl)amine (TDA‐1).
Authors: MCKILLOP A. , MILLS L. S.
Published: May 2016

The tertiary amine mentioned in the title is employed as a cheap, stable, non‐toxic, and non‐cation specific phase‐transfer catalyst for various oxidation reactions with potassium permanganate in methylene chloride.
ChemInform Abstract: An Efficient and Convenient Method for the Asymmetric Allylation of Aldehydes with Allyltrimethylsilane Catalyzed by Diphenylboryl Triflate.
Authors: MUKAIYAMA T. , OHSHIMA M. , MIYOSHI N.
Published: May 2016

The aldehydes (I) are coupled with the chiral silyl ether (II) in the presence of diphenylboryl triflate and then allowed to react with the allylsilane (III), yielding the optically active homoallylic ethers (IV).
ChemInform Abstract: Reaction of Diphenylcyclopropenone with Nitro Ketene Aminals. Synthesis of 6‐Amino‐2‐pyridones and Their m‐Chloroperbenzoic Acid Oxidation to 2,3‐Diphenylmaleimides.
Authors: TAKAHASHI M. , NOZAKI C. , SHIBAZAKI Y.
Published: May 2016

Diphenylcyclopropenone (I) reacts with the nitro ketene aminals (II) to give the 6‐amino‐2‐pyridones (III) which are oxidatively cleaved with MCPBA to yield the maleimides (IV) and the isocyanates (V).
ChemInform Abstract: Preparation of α,β‐Unsaturated Carbonyl Compounds Using Dianion of N‐Phenyl‐2‐((phenylsulfonyl)methyl)propenamide.
Authors: TANAKA K. , YODA H. , KAJI A.
Published: May 2016

The isopropenylcarboxylic amides (I) are converted to the sulfenyl, sulfonyl, or selenenyl derivatives (II).
ChemInform Abstract: Reactions of 2,3‐Diphenylthiirene 1‐Oxide with Nucleophiles.
Authors: ITOH S. , KOMATSU M. , OHSHIRO Y.
Published: May 2016

Diphenylthiirene 1‐oxide (I) reacts with α‐lithioisobutyronitrile (II) to form the iminothiolene 1‐oxide (III).
ChemInform Abstract: Synthesis and Properties of Tetrakis(alkylthio)thieno(3,4‐c)thiophenes.
Authors: YONEDA S. , TSUBOUCHI A. , OZAKI K.
Published: May 2016

Dimerization of the bis(alkylthio)cyclopropenethiones (I) yields the thienothiophenes (II), the redox potentials of which are determined.
ChemInform Abstract: Michael Addition and Alkylation of 2‐Azaallyl Anions Derived from N‐(1‐Cyanoalkyl)imines, and Stereoselective Cyclization of Imine Esters or Ketones Leading to 1‐Pyrrolines.
Authors: TSUGE O. , UENO K. , KANEMASA S. , YOROZU K.
Published: May 2016

Michael addition of 2‐azaallyl anions generated from (I) or (VII) to compounds (II) or (IV) yields analogous products (III), (V) and (VIII); however, a mixture of (XI) and (XII) is obtained from (Ia) and (X).
ChemInform Abstract: X=Y‐ZH Systems as Potential 1,3‐Dipoles. Part 8. Pyrrolidines and δ5‐Pyrrolines (3,7‐Diazabicyclo(3.3.0)octenes) from the Reaction of Imines of α‐Amino Acids and Their Esters with Cyclic Dipolarophiles. Mechanism of Racemization of α‐Amino Acids and Their Esters in the Presence of Aldehydes.
Authors: AMORNRAKSA K. , GRIGG R. , GUNARATNE H. Q. N. , KEMP J. , SRIDHARAN V.
Published: May 2016

Heating of the imines (I) in toluene generates azomethine ylides by a prototropic shift; these undergo cycloaddition with the maleimide (IIa) or the anhydride (IIb) to give the racemic, single diastereoisomeric adducts (III).
ChemInform Abstract: Synthesis of 1,2‐Five‐Ring‐Anellated Barrelenes via the Intramolecular Diels‐Alder Reaction of Acetylenic Derivatives.
Authors: TRIFONOV L. S. , ORAHOVATS A. S.
Published: May 2016

Investigation of the reaction between the acid (II) and the carbodiimides (I) reveals that only with (Ia) can the desired barrelene type, namely (III), be obtained.
ChemInform Abstract: Synthesis of Liquid Crystalline 3,5‐Diaryl 1,2‐Dithiolium Salts.
Authors: VEBER M. , JALLABERT C. , STRZELECKA H.
Published: May 2016

The 1,3‐diarylpropane‐1,3‐diones (III) are prepared by Claisen condensation of the benzoates (II) with the acetophenones (I).
ChemInform Abstract: Synthesis of Some 1‐Substituted 3‐Methyl‐5‐(2′,4′,6′‐trimethoxyphenyl)‐ 4‐(N1‐substituted‐p‐sulfamylbenzeneazo)pyrazoles as Potential Antifungal and Antibacterial Agents.
Authors: AHLUWALIA V. K. , DUTTA U. , SHARMA H. R.
Published: May 2016

Coupling of the diazotized sulfonamide bases (II) with the diketone (I) and subsequent cyclization with the aromatic hydrazines (IV) produce the pyrazoles (V).
ChemInform Abstract: Synthesis by Means of Heterocumulenes. Part 6. 1,3‐Dipolar Cycloadditions of Diphenylnitrilimine with Aroxysulfonyl Isocyanates and Trichloro‐2,2,2‐ethoxysulfonyl Isocyanates.
Authors: HEDAYATULLAH M. , BEJI M.
Published: May 2016

The isocyanates (II) react with diphenylnitrilimine, prepared in situ from the hydrazine (I), to produce mixtures of the oxadiazolines (III) and the triazolones (IV).
ChemInform Abstract: Heterocycles from Nitrile Oxides. Part 4. 1,2,4,5‐Oxatriazines.
Authors: HUSSEIN A. Q. , EL‐ABADELAH M. M. , HODALI H. A. , KAMAL M. R. , AOUF M. M.
Published: May 2016

The nitrile oxides (I), prepared in situ from the corresponding benzhydroxamoyl chlorides, undergo cyclization with the hydrazones (II), forming the 6H‐1,2,4,5‐oxatriazines (III).
ChemInform Abstract: Reactions of Stable Silenes with Dienes and Alkenes: (2 + 2), (2 + 4), and Ene Reactions.
Authors: BROOK A. G. , VORSPOHL K. , FORD R. R. , HESSE M. , CHATTERTON W. J.
Published: May 2016

Reaction of a variety of stable silenes (II), derived by photolysis of the acyl silanes (I), with several dienes such as (III), (VI), (IX), (XII), or (XIV) is studied.
ChemInform Abstract: 2,3‐Bis(diphenylphosphino)‐1,3‐butadiene.
Authors: SCHMIDBAUR H. , DZIWOK K. , REBER G. , MUELLER G. +
Published: May 2016

The title compound (VI) is synthesized from the diene (I) via the intermediates (IIb) (X‐ray analysis: space group P21/c; Z=2) and (III) as shown.
ChemInform Abstract: Reaction of Trialkyl Phosphites and Cyclopentadienones in the Presence of Proton Donors. Part 3. Reactions of Trimethyl Phosphite and Phencyclone in the Presence of Carboxylic Acids.
Authors: ARBUZOV B. A. , FUZHENKOVA A. V. , KHARITONOVA L. V.
Published: May 2016

Reaction of phencyclone (I) with trimethyl phosphite (II) in the presence of acetic acid gives mainly the dihydrophencyclone (V), together with the phosphate (III) and the ketophosphonate (IV).
ChemInform Abstract: Synthesis of the Optically Active Diaryl Selenoxides.
Authors: KOBAYASHI M. , SHIMIZU T.
Published: May 2016

Oxidation of the selenides (I) and (III) with tert‐butyl hypochlorite in the presence of an optically active alcohol yields the selenoxides (II) and (IV) respectively with only low optical purities.
ChemInform Abstract: Synthesis, Molecular Structure, and NMR Spectra of the Anionic Monocarbametallaborane (NEt4) ((CO)3(PPh3)(OH)‐closo‐MoCB10H10)·CH2Cl2.
Authors: FONTAINE X. L. R. , GREENWOOD N. N. , KENNEDY J. D. , MACKINNON P. I. , MACPHERSON I.
Published: May 2016

The reaction between the arachno‐B10H14 dianion and a mixture of the complex (I) and PPh3 (II) results in the formation of the air‐stable, twelve‐vertex closo‐metallacarborane derivative (IV), which crystallizes in the space group P1 with Z=2.
ChemInform Abstract: Synthesis and Characterization of the ((CO)4MoS2MS2)2‐ and ((CO)4MoS2MS2Mo(CO)4)2‐ Ions (M: Mo, W): Species Containing Group VI (6) Metals in Widely Separated Formal Oxidation States.
Authors: ROSENHEIN L. D. , MCDONALD J. W.
Published: May 2016

The geometry in the new compounds (III) and (IV) is octahedral around Mo and tetrahedral within the MS4 moiety.
ChemInform Abstract: Ring Opening of Three‐Membered Heterocycles by Terminal Phosphinidene Complexes.
Authors: MARINETTI A. , MATHEY F.
Published: May 2016

Transient (phenylphosphinidene)‐ and (methylphosphinidene)pentacarbonyltungsten complexes (II) which are produced by thermal decomposition of the appropriate complexes (I) as described previously react with the 3‐membered heterocycles (III), (VII), (IX) to give the different products (IV) + (V) (the major isomer is isolated), (VI), (VIII), (X) + (IV).
ChemInform Abstract: Reactivity of Rhenium(I) Pseudo‐allyl Complexes with Heterocumulenes such as RNCS (R: Me or Ph, p‐MeC6H4) and PhNCO. Part 1. Crystal Structure Determination of Two Isostructural Monothio‐ and Dithio‐carbamate Rhenium(I) Complexes Cocrystallized as (Re(CO)2(PPh3)2(S=C(NHPh)‐S))·(Re(CO)2(PPh3)2(O‐C(NHPh)=S)).
Authors: ROSSI R. , MARCHI A. , DUATTI A. , MAGON L. , CASELLATO U. , GRAZIANI R.
Published: May 2016

The compounds (I) react with the heterocumulenes (II), (IV) and (VII) by displacement of the starting chelate ligand and formation of the carbamate complexes as shown in the scheme.
ChemInform Abstract: Kinetics of Reduction of Tris(ethylenediamine)cobalt(III) by Ethylenediamine‐NNN′N′‐tetra‐acetatochromate(II).
Authors: SEGAL M. G.
Published: May 2016

The title reduction is first order in both reagents, with a second‐order rate constant of 3.37·103 dm3/mol·s at 25 °C, pH 4.81, unit ionic strength.
ChemInform Abstract: Reaction of (1S,6S)‐1,7,7‐Trimethyl‐2,3‐dimethylene‐trans‐bicyclo(4.4.0)decane with Thallium(III) Acetate: A New Route to (‐)‐Warburganal and (+)‐Euryfuran.
Authors: NAKANO T. , MAILLO M. A. , ROJAS A.
Published: May 2016

Oxidation of the title compound (I), derived from manool, yields the products (III)‐(VI).
ChemInform Abstract: A Convenient Method for the Preparation of Ellipticine.
Authors: ZEE S.‐H. , SU H.‐P.
Published: May 2016

A novel, modified method for the preparation of the title compound (VIII) is reported.
ChemInform Abstract: Reaction of 5‐Trifluoromethyl‐2′‐deoxyuridine and 1‐Methyl‐5‐trifluoromethyluracil with Methoxyamine: Model Studies for the Interaction Between Thymidylate Synthetase and 5‐Trifluoromethyl‐2′‐deoxyuridine 5′‐Phosphate.
Authors: WATAYA Y. , SONOBE Y. , MAEDA M. , YAMAIZUMI Z. , AIDA M. , SANTI D. V.
Published: May 2016

The reaction of the uracil derivatives (II) with methoxyamine (III) in aqueous solution is studied to gain insight into the mechanism of inhibition of thymidylate synthetase by the deoxyuridine phosphate (I).
ChemInform Abstract: Convenient Synthesis of Penam‐Type β‐Lactams Utilizing Methylseleno‐ Promoted Ketene ‐ Imine Cycloaddition Reaction.
Authors: NAGAO Y. , KUMAGAI T. , TAKAO S. , ABE T. , OCHIAI M. , TAGA T. , INOUE Y. , FUJITA E.
Published: May 2016

The key step in the synthesis of various penam derivatives is the cycloaddition reaction of the alkoxyketenes (I) with the racemic or chiral methylselenenylthiazolines (II), yielding the selenenylpenams (III).
ChemInform Abstract: Electrocatalytic Properties of Amorphous Carbon Thin Films and Their Use as Coatings for Photoelectrodes.
Authors: HOWE A. T.
Published: May 2016

Thin films of amorphous carbon have been deposited on n‐Si electrodes by sputtering or electron beam evaporation.
ChemInform Abstract: Electrochemical Studies of Titanium Ions (Ti4+) in Equimolar KCl‐NaCl Molten Salts with 1 wt.% K2TiF6
Authors: CHEN G. , OKIDO M. , OKI T.
Published: May 2016

have been performed at 973 K by linear sweep voltammetry, stationary current density/potential curves and ac impedance measurements.
ChemInform Abstract: Propylene Oxidation to Acrolein on Fe‐Sb‐Ti‐O Catalysts.
Authors: CARBUCICCHIO M. , CENTI G. , FORZATTI P. , TRIFIRO F. , VILLA P. L.
Published: May 2016

Catalysts with high and similar selectivities (80‐90%) are obtained in the 0.3‐1.0 (Fe + Sb)/(Fe + Sb + Ti) atomic ratio range.
ChemInform Abstract: High Stereoselectivity in Lewis Acid Catalyzed and Non‐Catalyzed Diels‐Alder Reactions of the Fumaric Acid Ester of (S)‐Ethyllactate.
Authors: HARTMANN H. , ABDEL HADY A. F. , SARTOR K. , WEETMAN J. , HELMCHEN G.
Published: May 2016

The Diels‐Alder reaction of the difumarate (I) with cyclopentadiene (II) affords the adduct (III) with high stereoselectivity; the same reaction catalyzed by TiCl4 leads to a reverse of stereoselectivity affording mainly (IV).
ChemInform Abstract: Synthesis of Carbocycles from ω‐Substituted α,β‐Unsaturat ed Esters via Radical‐Induced Cyclizations.
Authors: HANESSIAN S. , DHANOA D. S. , BEAULIEU P. L.
Published: May 2016

Intramolecular radical cyclization of the ω‐bromo unsaturated esters (I) yields the cyclohexanes (II).
ChemInform Abstract: Unsaturated Carboxylic Acid Dienolates. Addition to Substituted Cyclohexanones. Inverted Kinetic and Thermodynamic Stereoselectivities.
Authors: BALLESTER P. , COSTA A. , GARCIA‐RASO A. , MESTRES R.
Published: May 2016

The monosubstituted cyclohexanones (I) are allowed to react with the dilithium dienolate (II) at different temperatures, yielding mixtures of the cyclohexanol derivatives (III) ‐ (VI).
ChemInform Abstract: Photoinduced Molecular Transformations. Part 92. A Simple New General Synthesis of Macrocyclic Ketones: A New Entry to the Synthesis of Exaltone and (.+‐.)‐Muscone.
Authors: SUGINOME H. , YAMADA S.
Published: May 2016

Starting with the 1‐siloxycyclododecene (I), the bridgehead bicycloalkanols (V) and (IX) are prepared.
ChemInform Abstract: Intramolecular Rearrangements: Epimerization of Bicyclic Vinyl Tertiary Alcohols via a (2,3) Sulfoxide Sigmatropic Rearrangement.
Authors: BROWN W. L. , FALLIS A. G.
Published: May 2016

The epimerization of vinylic tertiary endo alcohols such as (III) or (VIII) to the exo isomers (VI) or (XIV) is a key‐step in the total syntheses of many naturally occurring multicyclic compounds.
ChemInform Abstract: ′Face‐to‐Face′Benzo‐Anellated Homologous Hypostrophenes. Syntheses, X‐Ray Structure Analyses and PE Spectra.
Authors: FESSNER W.‐D. , SEDELMEIER G. , KNOTHE L. , PRINZBACH H. , RIHS G. , YANG Z. , KOVAC B. , HEILBRONNER E.
Published: May 2016

The hypostrophene (I) adds the sulfone (II) to give the exo‐cyclohexadiene (III).
ChemInform Abstract: Synthesis of Perfluorovinylbenzocycloalkenes by Dechlorination of the Reaction Products from Polyfluorobenzocycloalkenes with 1,2‐Dichloro‐ 1,2‐difluoroethylene.
Authors: KARPOV V. M. , MEZHENKOVA T. V. , PLATONOV V. E. , YAKOBSON G. G.
Published: May 2016

The polyfluorobenzocyclobutenes (I) and (V) or perfluoroindan (VIII) react with 1,2‐dichloro‐1,2‐difluoroethylene (II) to give the corresponding mono‐ or bis(trifluorodichloroethyl) derivatives as shown in the reaction scheme.
ChemInform Abstract: Preparation and C‐Alkylation of Enantiomerically Pure S‐Phenyl Aziridinecarbothioates. On the Structure of Small‐Ring Ester Lithium Enolates.
Authors: HAENER R. + , OLANO B. , SEEBACH D.
Published: May 2016

Reaction of the (S)‐amine (I) with the racemic dibromopropionate (II) yields both the diastereomers (III) and (VI), which are separated and converted to the thioesters (V) and (VII).
ChemInform Abstract: Thionolactone Claisen Rearrangement.
Authors: TAKANO S. , TOMITA S. , TAKAHASHI M. , OGASAWARA K.
Published: May 2016

The thionolactones (I) react with the allylic halides (II) or (VI), producing the substituted derivatives (III) and (VII).
ChemInform Abstract: Addition of β‐Dicarbonyl Compounds to 2‐Acetyl‐p‐benzoquinone.
Authors: KUCKLAENDER U. + , HERWEG‐WAHL U. , MASSA W. , BAUM G.
Published: May 2016

The structure of the adducts from the quinone (I) and the acetoacetates (II) is revised to be (III).
ChemInform Abstract: Preparation of 3‐Acetylbenzofuran‐2(3H)‐ones and 3‐Acetylnaphthofuran‐ 2(3H)‐ones via Intramolecular Rhodium Carbenoid Insertion.
Authors: HRYTSAK M. , DURST T.
Published: May 2016

The diazo esters (I) undergo ring closure in the presence of rhodium(II) acetate to give the benzofurans (II).
ChemInform Abstract: Asymmetric Dihydroxylation of β‐Substituted N‐(α,β‐Enoyl)bornane‐10,2‐sultams.
Authors: OPPOLZER W. , BARRAS J.‐P.
Published: May 2016

Oxidation of the title compounds (I) followed by acetalization stereospecifically yields the products (III).
ChemInform Abstract: Synthesis of N‐(Sulfonylamidomethyl)lactames and ‐imides Using the Silyl Method.
Authors: SERGEEV V. N. , SHAPOVALENKO E. P. , BAUKOV YU. I.
Published: May 2016

Reaction of the N‐chloromethylsulfonamide (I) with N‐trimethylsilyllactams(imides) (II) or of the inversely substituted derivatives (IV) and (V) gives the compounds (III) and (VI) mentioned in the title.
ChemInform Abstract: A Direct Synthesis of γ‐, δ‐, and ε‐Lactones Utilizing SmI2‐Induced Barbier‐Type Reaction in the Presence of Hexamethylphoshoric Triamide (HMPA).
Authors: OTSUBO K. , KAWAMURA K. , INANAGA J. , YAMAGUCHI M.
Published: May 2016

The ω‐bromoalkanecarboxylates (I) undergo ring closure with the ketones (II), (VI), and (X) or the aldehydes (IV) or (VIII) in the presence of samarium diiodide to produce the lactones (III), (V), (VII), (IX), or (XI).
ChemInform Abstract: Oxidative Phosphonylation of Aromatics with Ammonium Cerium(IV) Nitrate.
Authors: KOTTMANN H. , SKARZEWSKI J. , EFFENBERGER F.
Published: May 2016

Oxidative phosphonylation of the arenes (I) with diethyl phosphite (II) or triethyl phosphite (VI) and cerium ammonium nitrate yields the isomeric arylphosphonates (III) ‐ (V).
ChemInform Abstract: Synthesis and Properties of 3,6‐Diorgano‐3,6‐dithio‐1,2,4,5,3,6‐tetrathiadiphosphorinanes; a New Possibility of Forming S‐S Bonds.
Authors: HAHN J. , NATANIEL T.
Published: May 2016

DMSO treatment of the silyl esters (I) affords the six‐membered heterocycles (II).
ChemInform Abstract: Element‐Organic Amine/Imine Compounds. Part 30. η2‐Coordinated σ3‐Phosphazenes.
Authors: SCHERER O. J. , WALTER R. , BELL P.
Published: May 2016

Starting with complexes such as (III) with a side‐on coordinated aminoiminophosphine ligand, products with phosphazene ligands in different modes of coordination or with η2 → η1 change in coordination are obtained as shown in the scheme.
ChemInform Abstract: Monohalogenobenzoylhydrazones. Part 3. Synthesis and Structural Studies of Pt(II),Pd(II) and Rh(III) Complexes of Di‐(2‐pyridyl)ketonechlorobenzoyl Hydrazones.
Authors: TOSSIDIS I. A. , BOLOS C. A. , ASLANIDIS P. N. , KATSOULOS G. A.
Published: May 2016

The reactions of PdCl2, K2PtCl4, and RhCl3·3 H2O with the ligands in ethanol yield the stable, diamagnetic 1:1 complexes (I) and (II), respectively.
ChemInform Abstract: Syntheses of the Methyl Glycosides of Curacin, A‐B Fragment Found in Avilamycin‐A and ‐C, Curamycin‐A, Flambamycin and Everninomicin‐2, and of Its Artificial Regioisomer Isocuracin.
Authors: JUETTEN P. + , DORNHAGEN J. , SCHARF H.‐D.
Published: May 2016

The methyl glycoside (III) of curacin, which is the chromophoric A‐B terminus of orthomycins, is synthesized by esterification of the arabino hexopyranoside (Ia) with the acid chloride (II) followed by hydrogenolytic debenzylation.
ChemInform Abstract: Ionic Conductivity, Structural, IR, and Raman Spectroscopic Data of Olivine, Sr2PbO4, and Na2CuF4 Type Lithium and Sodium Chlorides Li2ZnCl4 and Na2MCl4 (M: Mg, Ti, Cr, Mn, Co, Zn, Cd).
Authors: LUTZ H. D. , WUSSOW K. , KUSKE P.
Published: May 2016

The ternary title compounds are prepared by melting together stoichiometric amounts of the halides MCl2 and NaCl or LiCl, slow‐cooling, and subsequent heating (1‐4 weeks).
ChemInform Abstract: Thermal Decomposition of Highly Concentrated Nitric Acid.
Authors: HORN E.‐M. , KEISER H. , SCHOELLER K.
Published: May 2016

In the course of investigations concerning the corrosion resistance of aluminum materials in highly concentrated nitric acid the thermal decomposition of this acid is observed at atmospheric pressure between 0 and 60 °C for up to 273 d. The reversible decomposition reaction, which is shown in the scheme, is second order with respect of HNO3.
ChemInform Abstract: Gaseous Negative Ions from Neutral Molecules and Positive Ions: New Information for Neutralization‐Reionization Mass Spectrometry.
Authors: FENG R. , WESDEMIOTIS C. , MCLAFFERTY F. W.
Published: May 2016

Collisional electron transfer to mass‐selected cations or neutrals as an alternative route to negative ions is studied; the resulting mass spectra contain novel information on the structures and chemistry of the precursor cations and neutrals, as well as the product anions.
ChemInform Abstract: Polymerizable Dienoyl Lipids as Spectroscopic Bilayer Membrane Probes.
Authors: TYMINSKI P. N. , PONTICELLO I. S. , O'BRIEN D. F.
Published: May 2016

The UV spectral properties of the unpolymerized dienoyl lipids (I) and (II) in isotropic media and molecular assemblies are measured (tabulated).
ChemInform Abstract: One‐Pot Chemoselective Reductive Alkylation of Nitroarenes: A New General Method of Synthesis of Alkylanilines.
Authors: BARTOLI G. , BOSCO M. , DALPOZZO R. , PETRINI M.
Published: May 2016

A new facile and general synthesis of alkylanilines such as (III) or (V) by one‐pot reductive alkylation of nitroarenes such as (II) or (IV) with Grignard compounds such as (I) is reported.
ChemInform Abstract: Stereoselective Syntheses of Substituted Enynes, Dienes, and Alkenes via Stannylation of 1‐Trimethylsilyl 1,3‐Diynes.
Authors: ZWEIFEL G. , LEONG W.
Published: May 2016

Treatment of the diyne (I) with the stannylcopper reagent (II) yields the (E)‐alkenynes (III), which undergo a series of lithiation and alkylation or protonation reactions to give the stereodefined enynes (VI), (VIII) or (IX) containing the easily manipulable (trimethylsilyl)ethynyl moiety.
ChemInform Abstract: Models for Reactions of Acetylene on Platinum(111): The μ3‐η2‐Acetylene Derivative.
Authors: DOUGLAS G. , MANOJLOVIC‐MUIR L. , MUIR K. W. , RASHIDI M. , ANDERSON C. M. , PUDDEPHATT R. J.
Published: May 2016

The reaction of (I) with acetylene to give (IIIa) is very rapid, CO loss to yield (IVa) occurs more slowly, excess CO reacts rapidly with (IVa) to give back (IIIa).
ChemInform Abstract: The 1,2‐Didehydronaphthalene to 1H‐Indenylidenecarbene Rearrangement: Formation of 7‐Methyl‐1H‐indenylideneethenone and Its Rearrangement to Acenaphthylen‐4‐ol in a Flash Vacuum Pyrolytic Reaction.
Authors: BROWN R. F. C. , COULSTON K. J. , DOBNEY B. J. , EASTWOOD F. W. , FALLON G. D.
Published: May 2016

7‐Methyl‐1H‐indenone generated from (I) via dehydrobromination of (II) is trapped by cyclopentadiene (III) to give the endo adduct (IV), which undergoes transformation into the (E)‐ and (Z)‐esters (VI) and (VII); the structure of (VI) is determined by an X‐ray analysis (space group P21/n, Z=4).
ChemInform Abstract: Synthesis of α‐Iodo Ketones.
Authors: SHA C.‐K. , YOUNG J.‐J. , JEAN T.‐S.
Published: May 2016

The ketones (I) are converted to the α‐iodo derivatives (III) and (IV) by consecutive treatment with hexamethyldisilazane, iodotrimethylsilane (II), sodium iodide, and MCPBA.
ChemInform Abstract: Selective Carbometalation of α,β‐Unsaturated Carbonyl Compounds and Substituted Oxacyclopropanes with Zirconium‐Diene Complexes.
Authors: AKITA M. , MATSUOKA K. , ASAMI K. , YASUDA H. , NAKAMURA A.
Published: May 2016

The cis‐isoprene zirconium complex (I) reacts with the unsaturated ketones (II) and esters (V), forming a C‐C bond between the first atom of the isoprene moiety and the carbonyl group.
ChemInform Abstract: Direct Synthesis of Ethers via Zinc Chloride Mediated Etherification of Alcohols in Dichloroethane.
Authors: KIM S. , CHUNG K. N. , YANG S.
Published: May 2016

Treatment of the alcohols (I) with zinc chloride in dichloroethane yields the symmetric ethers (II).
ChemInform Abstract: The Wittig Reaction of 2‐t‐Butoxycarbonyl‐1‐methoxycarbonylethylidenetriphenylphosphorane: A Surrogate for the Stobbe Reaction.
Authors: RIZZACASA M. A. , SARGENT M. V.
Published: May 2016

The aldehydes (I), (VI) and (IX) undergo reaction with the phosphorane (IV) and hydrolysis to give the acid esters (II), (VII) and (X), which are cyclized to the naphthalenes (III) and (VIII) or to the dibenzofuran (XI).
ChemInform Abstract: Ketene‐S,N‐acetals as Synthetic Intermediates for Heterocycles. New Synthesis of Multisubstituted Pyridine‐2‐thiones.
Authors: TAKAHATA H. , WANG E.‐C. , NAKAJIMA T. , YAMAZAKI T.
Published: May 2016

Coupling of malodinitrile (II) with the ketene‐S,N‐acetals (I) and (V) yields the β‐dicyanomethylene thioamides (III) and (VI) which are cyclized under basic conditions to form the pyridinethiones (IV) or (VII).
ChemInform Abstract: Aryl‐Substituted Purines. Part 1. Synthesis of 7‐Phenylguanine and of 2‐Substituted 7‐Arylhypoxanthines.
Authors: VERKOYEN C. , GOLOVINSKY E. , MUELLER G. + , KOELBEL M. + , NORPOTH K.
Published: May 2016

The synthesis of 7‐phenylguanine (III) is described.
ChemInform Abstract: Synthesis of Some New 2‐(4‐Tolyl)‐3‐(aroyl/4‐aminobenzoyl/4‐arylideneaminobenzoyl)‐4‐oxo‐4H‐2,3‐dihydro‐1,3‐benzoxazines as Possible Anticonvulsants.
Authors: HUSAIN, M I. , AMIR M.
Published: May 2016

Reaction of the hydroxybenzamide (I) with the tolylaldehyde (II) produces the benzoxazinone (III) which is coupled with the acyl chlorides (IV) to give the N‐aroyloxazinones (Va) ‐ (Ve).
ChemInform Abstract: Stereoselective Syntheses of Alcohols. Part 25. Generation of Enol Borates and Their Addition to Aldehydes.
Authors: HOFFMANN R. W. , DITRICH K. , FROECH S. +
Published: May 2016

The enol borates (VIa) or (VIc) are synthesized by oxidation of the precursors (V) (in turn obtained starting from the butyne (I)) or (VII) with Me3NO.
ChemInform Abstract: The Reaction of Selenoamides with Iodine.
Authors: SHIBUYA I.
Published: May 2016

Reaction of the selenoamides (Ib) ‐ (Ie) with iodine gives the iodine complexes (III).
ChemInform Abstract: Synthesis of 1,2‐Benzoquinones by the Oxidation of 1,4‐Benzodioxins by Peroxide Derivatives.
Authors: KASHIMA C. , TOMOTAKE A. , OMOTE Y.
Published: May 2016

Di‐tert‐butyl‐1,4‐benzodioxin (I) is oxidized by m‐chloroperbenzoic acid (II) in methylene chloride to give the quinone (III), together with the anhydride (IV) and the ester (V) in varying yields.
ChemInform Abstract: Intramolecular Michael and anti‐Michael Additions of Thiolate to Conjugated Acetylenic Ketones.
Authors: RUDORF W.‐D. , SCHWARZ R.
Published: May 2016

The α,β‐acetylenic ketones (I) are coupled with carbon disulfide (II), yielding the dithiocarboxylates (III) and (IV) which cyclize to form the thiopyranones (V) and the thiophene derivatives (VI).
ChemInform Abstract: Michael Condensation of β‐(2‐Tetroyl)acrylic Acids and Hetero‐Ring Formation via Reaction of 3‐(2‐Tetralyl)‐6‐acetyl‐5‐oxo‐3‐cyclohexene‐1‐ carboxylic Acid with Some Nucleophilic Reagents.
Authors: ATTIA I. A. , SOLIMAN E. A.
Published: May 2016

The 6‐acetylcyclohexenone (III) is transformed into the heterocycles (IV), (V), and (VII) by standard reactions.
ChemInform Abstract: Cycloaddition Reaction of Heterocumulenes and Ester Enolates: A Novel Synthesis of 4‐Alkylideneazetidin‐2‐ones.
Authors: BATTAGLIA A. , CAINELLI G. , GIACOMINI D. , MARTELLI G. , PANUNZIO M.
Published: May 2016

The ketenimines (II) and the ester enolates (I) form the intermediate adducts (III) which are converted to the 4‐alkylideneazetidinones (IV) upon warming to room temperature.
ChemInform Abstract: Reactions of a Phosphoranimine Anion with Some Organic Electrophiles.
Authors: ROY A. K. , WETTERMARK U. G. , SCHEIDE G. M. , WISIAN‐NEILSON P. , NEILSON R. H.
Published: May 2016

The anion, generated in situ from the N‐silyltrifluoroethoxyphosphoranimine (I) and BuLi, reacts with the electrophiles (II) to give the phosphoranimine derivatives (III).
ChemInform Abstract: Novel Syntheses of γ‐Selenobutyrates from Geminally Diactivated Cyclopropane Derivatives.
Authors: KRIEF A. , TRABELSI M.
Published: May 2016

The cyclopropanedicarboxylic acid derivatives (I) are cleaved with the reagents (II) or (IV) ‐ (VI), yielding the 2‐(methylselenenylalkyl)malonic ester derivatives (III).
ChemInform Abstract: Unprecedented Bonding of a Coordinated Polyenyl Ligand. Synthesis and Molecular Structures of fac‐Trialkyltricarbonyliron Compounds Containing the η3‐Nonafluorocycloocta‐2,5‐diene‐1,4,7‐triyl Ligand and Its Derivatives.
Authors: CARL R. T. , HUGHES R. P. , JOHNSON J. A. , DAVIS R. E. , KASHYAP R. P.
Published: May 2016

The reaction of the complex (I) with PMe3 (II) to yield (III) proceeds with retention of the Fe(CO)3 moiety and bonding of PMe3 to the fluorinated ring rather than to the metal.
ChemInform Abstract: Synthesis of a Catechol Covalently Bound to a Tris(bipyridyl) Complex of Ruthenium: A Fluorescent Potential Hapten.
Authors: LEPOITTEVIN J.‐P. , MATTES H. , BENEZRA C.
Published: May 2016

The ω‐(hydroxypentyl)dimethoxybenzene (Ia) is converted to the bromide (Ib) which is coupled with the monolithiated derivative (II) of 4,4'‐dimethyl‐2,2'‐bipyridyl to produce the compound (III).
ChemInform Abstract: Design of a 4‐Helix Bundle Protein: Synthesis of Peptides Which Self‐Associate into a Helical Protein.
Authors: HO S. P. , DEGRADO W. F.
Published: May 2016

An incremental synthetic approach is described for the design of a 4‐helix bundle protein.
ChemInform Abstract: The Structure and Synthesis of the Novel Orchid Pigments Dengibsin and Dengibsinin.
Authors: SARGENT M. V.
Published: May 2016

A series of chemical investigations including the direct synthesis of the title compounds confirms unequivocally the structures (VIII) (dengibsinin) and (XV) (dengibsin) for these constituents of Dendrobium gibsonii Lindl.