bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: N‐Alkylquinolinium and ‐isoquinolinium Salts with a Ketone Function in the Alkyl Chain. Synthesis and Reactivity Towards Secondary Amines.
Authors: SLIWA H. , OUATTARA L.
Published: May 2016

Quinoline N‐oxide (I) is coupled with the bromo ketone (II) in the presence of silver perchlorate to give the quinolinium salt (III) which is treated with tetramethylpiperidine, forming the 2‐benzoylquinoline (IV).
ChemInform Abstract: Synthesis of Novel 1,2,3,4‐Tetrahydrobenzo(c)‐1,5‐naphthyridines from Pyrrolo(1,2‐b)isoquinolines.
Authors: MARTIN L. L. , SCOTT S. J. , SETESCAK L. L. , VAN ENGEN D.
Published: May 2016

The N‐benzylpyrrolidinonecarboxylic acids (I) are converted to the corresponding carboxylic chlorides which undergo intramolecular Friedel‐Crafts acylation, forming the pyrroloisoquinolinediones (II).
ChemInform Abstract: Cyclization of Diketones to Pyridazine and Furan Derivatives.
Authors: ALLAH H. M. , SOLIMAN R.
Published: May 2016

The diketone (I) undergoes cyclocondensation with the hydrazines (II) and (IV) to form the pyridazines (III) or (V).
ChemInform Abstract: 3‐(Dialkylamino)‐Substituted‐2H‐1,4‐benzothiazines.
Authors: BALBI A. , FERRECCIO R. , DI BRACCIO M. , MAZZEI M. , ROMA G.
Published: May 2016

2‐Aminothiophenol (I) is alkylated with the bromomalonamides (II) to yield the 2‐aminophenylthiomalonamides (III) which are converted to the benzothiazine derivatives (IV) by cyclization with POCl3, followed by hydrolysis.
ChemInform Abstract: Synthesis of Novel Substituted Pyrazolo(3,4‐e)‐as‐triazines.
Authors: HEINISCH L.
Published: May 2016

Title compounds of type (III) and (V) are synthesized as shown.
ChemInform Abstract: Silaheterocycles. Part 1. Reactions of H2C=CHSiCl3 with LitBu.
Authors: AUNER N.
Published: May 2016

Reactions between the title compounds in pentane are studied under various conditions.
ChemInform Abstract: Regio‐ and Site‐Selective Cycloadditions. Part 1. The Reaction of Aryl Azides and of Ethyl Diazoacetate with the Bis(trimethylsilyl)polyynes, Me3Si(CC)nSiMe3 (n = 2 or 3).
Authors: BETTISON R. M. , HITCHCOCK P. B. , WALTON D. R. M.
Published: May 2016

1,3‐Dipolar cycloaddition of the aryl azides (I) or ethyl diazoacetate (IV) with the polyynes (II) produces the triazoles (III) or the pyrazole (V).
ChemInform Abstract: Reaction of Ethyl Dibutylphosphinite with O‐Alkyl Chlorothioformates.
Authors: BUVASHKINA N. I. , KOVALENKO L. V. , VIRIN L. I. , POPOVA I. YU.
Published: May 2016

Reaction of the chlorothioformates (I) with the phosphinite (II) gives the alkylthiocarbonylphosphine oxides (III) as the result of a thione‐thiol rearrangement.
ChemInform Abstract: Reaction of α‐Boryloxyalkyl(α‐hydroxyalkyl)phosphines and Their Derivatives with Bases.
Authors: NIKONOV G. I. , LITVINOV I. A. , IGNAT'EVA S. N. , ERASTOV O. A. , ARBUZOV B. A.
Published: May 2016

Bis(α‐hydroxyalkyl)phosphines, prepared in situ from phenylphosphine (I) and the benzaldehydes (II), or the phosphine oxide (VI) react with the borinate (III) and triethylamine (IV) to give the dioxaphosphaboratinanes (V) and (VII).
ChemInform Abstract: N,N‐Bis(trimethylstannyl)di‐tert‐butylfluorosilylamine. A Sterically Fixed Molecule.
Authors: STALKE D. , KLINGEBIEL U. , SHELDRICK G. M.
Published: May 2016

The aminofluorosilane (I) is lithiated and then treated with trimethylstannyl chloride (IV) to yield the stannyl‐substituted amine (V).
ChemInform Abstract: Catecholate LMCT Bands as Probes for the Active Sites of Nonheme Iron Oxygenases.
Authors: COX D. D. , BENKOVIC S. J. , BLOOM L. M. , BRADLEY F. C. , NELSON M. J. , QUE L. JUN. , WALLICK D. E.
Published: May 2016

The distorted octahedral high‐spin Fe(III) complexes (I) with the tetradentate tripodal ligands, derivatives of trimethylamine, are synthesized to correlate the energies of catecholate‐to‐Fe(III) CT‐transitions with the nature of the iron coordination environment.
ChemInform Abstract: Three‐Center Binding of a Nitroxyl Free Radical to Copper(II) Bromide.
Authors: CANESCHI A. , GRAND A. , LAUGIER J. , REY P. , SUBRA R.
Published: May 2016

The diamagnetic Cu complex (I) is prepared by mixing equimolar amounts of 2,2,6,6‐tetramethylpiperidinyl‐1‐oxy and Cu(II) bromide‐acetonitrile complex in Et2O. Its characterization occurs by X‐ray structure analysis (space group Pnma), variable‐temp.
ChemInform Abstract: Transformations of N‐Heteroarylformamidines into Derivatives of β‐Heteroarylamino‐α,β‐dehydro‐α‐amino Acids, β‐Heteroarylamino‐α‐amino Acids, and Dipeptides.
Authors: STANOVNIK B. , SVETE J. , TISLER M.
Published: May 2016

The formamidine (I) is coupled with the oxazolinone (II) to give the imine (III) which is methylated to form the aminomethylene derivative (V) or cleaved with the nucleophiles (VI) to give the amides (VII).
ChemInform Abstract: Xylitol Triphosphites.
Authors: MAKAROVA N. A. , MUKMENEV E. T. , ARBUZOV B. A.
Published: May 2016

The title compounds (III), which are of interest as intermediates in the synthesis of thermo‐ and photostabilizers for polymers, are prepared by transesterification of the phosphites (II) with xylitol (I).
ChemInform Abstract: Stereoselective Total Synthesis of (.+‐.)‐Atisine via Intramolecular Double Michael Reaction.
Authors: IHARA M. , SUZUKI M. , FUKUMOTO K. , KAMETANI T. , KABUTO C.
Published: May 2016

Intramolecular double Michael reaction of the intermediate (XI) yields the pentacyclic ketone (XII) (space group P21/c; Z=4).
ChemInform Abstract: Studies on Rutaceae. Part 6. Reactions and Rearrangements of Coumarins.
Authors: BANERJI J. , DHARA K. P. , DAS B. , DAS A. K. , CHATTERJEE A.
Published: May 2016

Reactions and rearrangements of the naturally occurring coumarins micromelumin (I), phebalosin (III), osthol (VI) and auraptenol (VIII) are investigated leading to the natural compounds angelical (II), minumicrolin (IV)/murrangatin (V) and arnottinin (IX), respectively.
ChemInform Abstract: General Mechanism for Ruthenium(III)‐Titanium(III) Electron‐Transfer Reactions: Reductions Involving Sulfato Ligands.
Authors: BARONE P. , EARLEY J. E.
Published: May 2016

The reduction of (NH3)5RuX(3‐n)+ (X: SO42‐, S2O32‐, NH2SO3‐) by Ti(III) is studied at 1.0 M LiCl at 25 °C. It is shown that TiOH2+ reduces RuOSO3+.
ChemInform Abstract: Preparation and Chemical Properties of Single Crystals of YbAs4S7 and Yb3As4S9.
Authors: MAMEDOV A. I. , IL'YASOV T. M. , RUSTAMOV P. G. , AKPEROV F. G.
Published: May 2016

The title compounds are prepared from stoichiometric mixtures of the elements (1400 K, evacuated quartz ampoules).
ChemInform Abstract: NMR and Conformational Studies of Some 1,4‐Linked Disaccharides.
Authors: BACKMAN I. , ERBING B. , JANSSON P.‐E. , KENNE L.
Published: May 2016

The title compounds studied are the eight disaccharides (I)‐(III) in which the glycosidic linkages are in different stereochemical environments.
ChemInform Abstract: π‐Electron Transfer as Calculated at Various Levels of Basis Set. A Redefinition of the Theoretical Scale of σR° Values.
Authors: MARRIOTT S. , SILVESTRO A. , TOPSOM R. D.
Published: May 2016

Ab initio MO calculations are reported for the π‐electron transfer to or from the substituent for 20 monosubstituted benzenes, both at the minimal STO‐3G basis set and at the split‐valence 4‐31G basis set.
ChemInform Abstract: 1,3‐Dipolar Character of Six‐Membered Aromatic Rings. Part 56. The Cycloadditions of Acetylenes and 3‐Oxidopyridinium Betaines.
Authors: ISHAG C. Y. , FISHER K. J. , IBRAHIM B. E. , ISKANDER G. M. , KATRITZKY A. R.
Published: May 2016

Cycloaddition of dimethyl acetylenedicarboxylate (II) to the 3‐oxidopyridinium betaines (I) occurs across the oxygen and C‐2 with concomitant cleavage of the pyridine nucleus to yield the novel furans (III).
ChemInform Abstract: Radical‐Induced Cleavage of Keto Epoxides.
Authors: MURPHY J. A. , PATTERSON C. W. , WOOSTER N. F.
Published: May 2016

The acylvinyloxiranes (III), prepared from the bromo ketones (I) and acrolein or crotonaldehyde (II), are cleaved with butanethiol (IV) under radicalic conditions to produce the α,β‐unsaturated γ‐butylthioaldehydes (V).
ChemInform Abstract: Intramolecular ω‐Olefinic Ketone Ene‐Reaction for the Construction of Trifluoromethylated Five‐Membered Ring Compounds.
Authors: AUBERT C. , BEGUE J. P.
Published: May 2016

The unsaturated trifluoromethyl ketone (I) is cyclized in the presence of ethylaluminum dichloride to give the 1‐trifluoromethylcyclopentanol (II).
ChemInform Abstract: Photorearrangement of 4,4,5,5‐Tetramethoxycyclohepta‐2,6‐dienones to 6,6,7,7‐Tetramethoxybicyclo(3.2.0)hept‐3‐en‐2‐ones.
Authors: MORI A. , KUBOTA T. , TAKESHITA H.
Published: May 2016

Anodic oxidation of the tropones (I) in methanol (II) gives the tetramethoxydihydrotropones (IIIa), (IIIb), and (IVb).
ChemInform Abstract: A New Class of Steoreoselective Reducing Agents, Potassium 9‐Alkyl‐9‐boratabicyclo(3.3.1)nonanes.
Authors: CHA J. S. , YOON M. S. , KIM Y. S. , LEE K. W.
Published: May 2016

Potassium hydride (II) reacts with the 9‐alkyl‐9‐boracyclononanes (I) to give the potassium 9‐alkyl‐9‐boratabicyclononanes (III).
ChemInform Abstract: Alkylation of Silyl Ketene Acetals with Dienyliron Complexes: Application in the Formation of Quaternary Carbon Centers.
Authors: PEARSON A. J. , O'BRIEN M. K.
Published: May 2016

The silyl ketene acetals (II) react with the dienyliron carbonyl complex (Ia) to form mixtures of the isomeric adducts (III) and (IV).
ChemInform Abstract: Facile Routes to Boron Enolates. Et3B‐Mediated Reformatsky Type Reaction and Three Components Coupling Reaction of Alkyl Iodides, Methyl Vinyl Ketone, and Carbonyl Compounds.
Authors: NOZAKI K. , OSHIMA K. , UTIMOTO K.
Published: May 2016

The phenacyl halides (I) react with the oxo compounds (II) in the presence of triethylboron and triphenyltin hydride to give the ketols (III).
ChemInform Abstract: Nitrodiazomethane as a Source of Nitrocarbene.
Authors: O'BANNON P. E. , DAILEY W. P.
Published: May 2016

Rhodium diacetate induced release of nitrogen from nitrodiazomethane (II) produces nitrocarbene which is employed in the cyclopropanation of the olefins (I) and (IV).
ChemInform Abstract: The Stereoselective Michael Reaction of α,β‐Unsaturated Thioesters with Silyl Enol Ethers Promoted by Combined Use of Antimony(V) Chloride and Tin(II) Triflate.
Authors: KOBAYASHI S. , TAMURA M. , MUKAIYAMA T.
Published: May 2016

The silyl enol ether (Ia) or the O‐silyl ketene O,S‐acetals (Ib) are coupled with the α,β‐unsaturated S‐alkyl thioesters (II) in the presence of antimony pentachloride/tin triflate, yielding the Michael adducts (III) with predominance of the anti‐isomers.
ChemInform Abstract: Convenient Preparation of 11H‐Benzo(a)fluorenone and 11H‐Benzo(b)fluorenone.
Authors: STREITWIESER A. JUN. , BROWN S. M.
Published: May 2016

Cyclocondensation of 1‐indanone (I) with o‐phthalaldehyde (II) yields 11H‐benzo(b)fluorenone (III) which undergoes base‐induced cleavage to produce o‐(2‐naphthyl)benzoic acid (IV).
ChemInform Abstract: Structure of the Cycloaddition Products of α‐Ketonitrilimines to α,β‐Unsaturated Ketones.
Authors: EZMIRLY S. T. , SHAWALI A. S. , BUKHARI A. M.
Published: May 2016

The title reactions between the α‐ketonitrilimines, generated in situ from the chlorides (I) and (V), with the α,β‐unsaturated ketones (III) and (VI) afford regioselectively the pyrazolines (IV) and (VII), respectively.
ChemInform Abstract: Flash Vacuum Pyrolysis of 1‐Allylbenzotriazoles and Dihydrobenzoxazines: Formation of Quinolines.
Authors: BARKER S. J. , JONES G. B. , RANDLES K. R. , STORR R. C.
Published: May 2016

Pyrolysis of the 1‐allylbenzotriazoles (I) in vacuum yields the quinolines (II).
ChemInform Abstract: Photochemical Addition of Alkenes and Alcohols to Sodium Phthalimide.
Authors: SUAREZ R. S. , SEGURA R. G.
Published: May 2016

Photolysis of sodium phthalimide (I) in the presence of cyclohexene (II) and tert‐butanol gives only moderate yields of the dibenzodiazepine derivative (III) because of several side reactions, e.g. the formation of the isoindolones (V) ‐ (VII) by coupling of (I) with the solvent (IV).
ChemInform Abstract: Bis(2‐thione‐1,3‐dithiole‐4,5‐diselenolate)nickelate(II): A Precursor for Mixed Sulfur/Selenium Heterocycles.
Authors: NIGREY P. J.
Published: May 2016

Starting with the dithiole derivative (I), the nickel complex (II) is synthesized.
ChemInform Abstract: Lewis‐Base Adducts of Main Group 1 Metal Compounds. Part 2. Syntheses and Structures of (Li4Cl4(pmdien)3) and (LiI(pmdien)).
Authors: RASTON C. L. , SKELTON B. W. , WHITAKER C. R. , WHITE A. H.
Published: May 2016

Lithium chloride, formed under unhydrous conditions from SiMe3Cl and BuLi, in the presence of the triamine (excess) in hexane yields the novel oligomer (I), crystallizing in P21/n with Z=4.
ChemInform Abstract: Lewis‐Base Adducts of Main Group 1 Metal Compounds. Part 3. Synthesis and Structural Systematics of (LiXL3) and (L′2LiX2LiL′2) Systems (X: Cl, Br, or I; L: 3,5‐Me2C5H3N, L′: 2‐MeC5H4N).
Authors: RASTON C. L. , WHITAKER C. R. , WHITE A. H.
Published: May 2016

The complexes (I) and (II) are prepared by recrystallization of the anhydrous lithium halide from the parent base and their stoichiometries and structures confirmed by X‐ray investigations at 295 K. (Ia) crystallizes in R3c with Z=2, (Ib) in Cc with Z=4 and (II) in P1 with Z=1.
ChemInform Abstract: Syntheses and Structural Studies of (2‐(6‐Methyl)pyridyl)‐ and (8‐Quinolyl)trimethylsilylamido Lithium Complexes.
Authors: ENGELHARDT L. M. , JACOBSEN G. E. , JUNK P. C. , RASTON C. L. , SKELTON B. W. , WHITE A. H.
Published: May 2016

The preparation of the title complexes is outlined in the scheme.
ChemInform Abstract: Di‐ and Triorganotin(IV) Trifluoro‐β‐diketonates.
Authors: SREELATHA C. , GUPTA V. D.
Published: May 2016

Starting with the tin(IV) compounds (I), (IV), and (VII), the organotin complexes (III), (VI), and (VIII) are prepared.
ChemInform Abstract: Reactivity of Rhenium(I) Pseudo‐Allyl Complexes with Heterocumulenes. Part 2. Insertion Reactions. Crystal Structures of the Thiazolyl‐thioureido and ‐dithiocarbamato Complexes (Re(CO)2(PPh3)2(SC(NPh)NMe(C3H2NS)))·CH2Cl2 and (Re(CO)2(PPh3)2(S2CNMe(C3H2NS)))·CH2Cl2(C3H2NS=thiazol‐2‐yl).
Authors: ROSSI R. , MARCHI A. , DUATTI A. , MAGON L. , CASELLATO U. , GRAZIANI R.
Published: May 2016

The title complexes (III) and (V) are prepared by insertion of PhNCS (II) or CS2 (IV) into the Re‐N(amino) bond of the starting chelate complex (I).
ChemInform Abstract: Synthesis, Characterization, and Electrochemistry of Dicyclopentadienylsiloxane‐Bridged Dicarbonyldiiron.
Authors: MORAN M. , CUADRADO I. , MASAGUER J. R. , LOSADA J.
Published: May 2016

The new metal‐metal bonded Fe complexes (III) are oxidized by (IV) to give, in the presence of PPh3, the dicationic compounds (VIIa)‐(VIIc).
ChemInform Abstract: Reactivity of Organoaminosilanes in the Reaction with Monofunctional Ferrocenyl Carbinols.
Authors: BUZIASHVILI V. I. , KABANOV B. K. , KHANANASHVILI L. M. , MOLCHANOV B. V. , TSOMAYA N. I.
Published: May 2016

The ferrocenyl carbinols (I) or (V) react with the aminosilane (II) to give the silyl ethers (III) and (VI) respectively.
ChemInform Abstract: Reactions of Polysulfide with Metal‐Phosphine Species. Synthesis and X‐Ray Crystal Structure of ((Ni(bppte)(μ‐OH))2) (ClO4)2·(CH3)2CO.
Authors: GHILARDI C. A. , INNOCENTI P. , MIDOLLINI S. , ORLANDINI A.
Published: May 2016

The reaction of the tripodal phosphine (I) with the Ni complex (II) in the presence of ammonium polysulfide (III) leads to the formation of the dimeric hydroxo‐complex (IV), which is structurally characterized by X‐ray diffraction (space group P21/a, Z=2).
ChemInform Abstract: Experimental and Theoretical Studies of the Reactions of Electrophiles with Cationic Formyl Complexes; Formation of Methoxy‐ and Hydroxycarbene Complexes of Ruthenium(II) and Osmium(II).
Authors: BARRATT D. S. , GLIDEWELL C. , COLE‐HAMILTON D. J.
Published: May 2016

The formyl complexes (I) react with (II) to give the carbene complexes (III) which are isolated and characterized by IR and 1H NMR spectroscopy.
ChemInform Abstract: Fungal Products. Part 15. Isolation and Structure Determination of Arugosin E from Aspergillus silvaticus and Cycloisoemericellin from Emericella striata.
Authors: KAWAHARA N. , NOZAWA K. , NAKAJIMA S. , KAWAI K.
Published: May 2016

Cycloisoemericellin (I) is isolated together with arugosin A (IIa) and B (IIb) from the mycelial extract of E. striata.
ChemInform Abstract: Synthesis of 2‐Acyl‐3,6‐dihydroxy‐2‐cyclohexen‐1‐ones.
Authors: OLIVER J. E. , LUSBY W. R.
Published: May 2016

The title compounds (V) and (VI) can be isolated from lace bug nymphs of the genus Corythucha.
ChemInform Abstract: Melt Growth of High‐Critical‐Temperature Superconducting Fibers.
Authors: MORRIS P. A. , BAGLEY B. G. , TARASCON J. M. , GREEN L. H. , HULL G. W.
Published: May 2016

Coarse‐grained polycrystalline superconducting (Tc: 32 K) La2‐xSrxCuO4‐y fibers are grown directly from the melt of a sintered compact (Tc: 40 K).
ChemInform Abstract: Microstructural Analysis in Processing of the High‐Tc Superconductor Ba2YCu3O7‐x in Air.
Authors: GUHA J. P.
Published: May 2016

The nature of the liquid phase formed during processing of the title superconductor in air at about 890 °C is studied.
ChemInform Abstract: The Voltammetric Response of Zeolite‐Modified Electrodes
Authors: SHAW B. R. , CREASY K. E. , LANCZYCKI C. J. , SARGEANT J. A. , TIRHADO M.
Published: May 2016

is investigated using the following analytes: methyl viologen dication (I), heptyl viologen (II), Ru(NH3)63+ (III), Fe(CN)63‐ (IV) and Cu2+.
ChemInform Abstract: Platinum Supported on Silicon Carbide as Fuel Cell Electrocatalyst.
Authors: HONJI A. , MORI T. , HISHINUMA Y. , KURITA K.
Published: May 2016

SiC is evaluated as a candidate support material for an electrocatalyst.
ChemInform Abstract: Evidence for the Formation of a New Form of Lithium Dithionite Under Rigorous Nonaqueous Conditions.
Authors: CHMIELEWSKI S. A. , WEINRACH J. B. , BENNETT D. W. , KILROY W. P.
Published: May 2016

A nonaqueous synthesis of Li2S2O4, a discharge product of the Li/SO2 battery is developed on the basis of the reaction of SO2 with L‐selectride.
ChemInform Abstract: Contributions from Electron Correlation to the Relative Stabilities of the Tautomers of Nucleic Acid Bases.
Authors: KWIATKOWSKI J. S. , BARTLETT R. J. , PERSON W. B.
Published: May 2016

Different levels of many‐body perturbation theory are used to study the relative stabilities of models of uracil and cytosine tautomers.
ChemInform Abstract: Synthesis and Reactivity of σ‐Bonded Silicon Metalloporphyrins. Spectroscopic Characterization and Electrochemistry of (P)Si(R)2, (P)Si(R)X, and (P)SiX2, Where R: C6H5 or CH3 and X: OH‐ or ClO‐ 4.
Authors: KADISH K. M. , XU Q. Y. , BARBE J.‐M. , GUILARD R.
Published: May 2016

(Ia), (Ib) and (Id) are prepared by known methods (yield ca. 50%), (Ic) by irradiation of (Ib) in CHCl3 with visible light in the absence of oxygen (yield 85%).
ChemInform Abstract: Fischer Carbene Mediated Conversions of Enynes to Bi‐ and Tricyclic Cyclopropane‐Containing Carbon Skeletons.
Authors: KORKOWSKI P. F. , HOYE T. R. , RYDBERG D. B.
Published: May 2016

The formation of the bicyclic target compounds (III) from the enynes (I) depends both on the chain length and the substitution of the vinyl moiety.
ChemInform Abstract: Acid‐Catalyzed Nucleophilic Aromatic Photosubstitution. A Reconsideration of Protonation in Excited States of Nitrobenzenes.
Authors: WUBBELS G. G. , SUSENS D. P. , COUGHLIN E. B.
Published: May 2016

Since neither 2‐propanol causes photoreduction nor is deuterium incorporated, the hydronium‐ion‐catalyzed photosubstitution of (I) by Cl‐ proceeds neither via radical intermediates nor is a dihydrobenzene intermediate involved.
ChemInform Abstract: 1,4‐Perinaphthadiyl. Singlet‐ and Triplet‐State Reactivity of a Conjugated Hydrocarbon Biradical.
Authors: BURNETT M. N. , BOOTHE R. , CLARK E. , GISIN M. , HASSANEEN H. M. , PAGNI R. M. , PERSY G. , SMITH R. J. , WIRZ J.
Published: May 2016

The diazo compound (I) on thermolysis and direct and sensitized photolysis yields products (III) and (IV) as already reported but depending on the reaction conditions (solvent, temp., degassed or air‐saturated) other products such as (V) (prepared independently), (VI), and dimers (only (VII) and (VIII) are identified representing 50 + 20% of the dimers) may be isolated as well.
ChemInform Abstract: Lithiothioacetals as Carbenoids. Highly Selective One‐Flask Conversion of Cyclohex‐2‐en‐1‐ones to Lithium Bicyclo(1.1.0)butan‐2‐olate Intermediates.
Authors: RAMIG K. , BHUPATHY M. , COHEN T.
Published: May 2016

Without experimental details, unusual and synthetically promising reactions are reported in which enones (only cyclohexenone (I) and in one reaction methylcyclohexenone (XVI) are described) undergo novel types of cyclopropanation to give bicyclo(1.1.0)butan‐2‐olates of type (V), a true ambident homoenolate which can further react in different ways.
ChemInform Abstract: Reaction of Singlet Oxygen with Organic Sulfides. A Theoretical Study.
Authors: JENSEN F. , FOOTE C. S.
Published: May 2016

The intermediates in the reactions of 1O2 with H2S and Me2S are calculated at Hartree‐Fock, Moller‐Plesset, and multiconfiguration levels of theory.
ChemInform Abstract: Electron‐Transfer Rates of a Co(‐I)/Co(0) Couple and Crystal Structure of the Tetrakis(trimethyl phosphite)cobaltate(‐I) Ion.
Authors: PROTASIEWICZ J. D. , THEOPOLD K. H. , SCHULTE G.
Published: May 2016

Treatment of the insoluble solid KCoP(O‐Me3)4 with 1 equiv. of cryptand 222 results in a complex (K(222))+(Co(P(O‐Me)3)4)‐ in quantitative yield which is readily soluble in THF.
ChemInform Abstract: Regiospecific Formation of 1,3‐Dienes by the Palladium‐Catalyzed Intra‐ and Intermolecular Coupling of Vinyl Halides.
Authors: GRIGG R. , STEVENSON P. , WORAKUN T.
Published: May 2016

The title coupling reaction is successfully carried out with vinyl or aryl halides, e.g. (I), (III), (V), (VII).
ChemInform Abstract: Alkynylation of Mixed Acetals with Organotin Acetylides.
Authors: ZHAI D. , ZHAI W. , WILLIAMS R. M.
Published: May 2016

The title reaction is employed to transform halo acetals (I), (IV), (VI) and (VIII) containing O, S or N heteroatoms to the corresponding C‐glycosides and α‐alkynyl ethers, sulfides and amines.
ChemInform Abstract: A General Method for the Preparation of Carbonyl Compounds and Butenolides from Organomanganese Pentacarbonyl Complexes.
Authors: DESHONG P. , SIDLER D. R. , RYBCZYNSKI P. J. , SLOUGH G. A. , RHEINGOLD A. L.
Published: May 2016

Eighteen acyl‐coordinated Mn complexes of type (III) and (VI)/(X) are prepared with high regioselectivity by sequential insertion of CO and either alkenes such as (II) or alkynes such as (V) and (IX) into the complexes (I).
ChemInform Abstract: Synthesis of 6‐Hydroxy‐7‐methylalkanoic Acids.
Authors: TANCHUK YU. V. , KOTENKO S. I.
Published: May 2016

The sec‐alkylcyclohexanols (I), prepared by hydrogenation of the corresponding alkyl phenols, are dehydrogenated to produce the cyclohexanones (II).
ChemInform Abstract: Copper(II) Supported on Nafion Perfluorinated Ion Exchange Polymer: An Efficient Catalyst for Cyclopropanation Reactions.
Authors: NUGENT W. A. , WALLER F. J.
Published: May 2016

The cyclopropanation of the olefins (I) with the diazoacetate (II) is performed in the presence of various copper(II) or rhodium(II) catalysts.
ChemInform Abstract: Multiple Radical Additions: An Expedient Entry into Complex Frameworks.
Authors: BARTON D. H. R. , DA SILVA E. , ZARD S. Z.
Published: May 2016

The allylic radical, generated by photolysis of the carboxylate (I), reacts with the activated alkenes (II) to give the bicyclo(3.3.0)octanes (III) and (IV).
ChemInform Abstract: New Development of the Mukaiyama Reaction: One‐Pot Synthesis of β‐Chloro Acids and Esters.
Authors: BELLASSOUED M. , DUBOIS J. E. , BERTOUNESQUE E.
Published: May 2016

The trimethylsilyl ketene acetals (I) react with benzaldehyde (II) in the presence of TiCl4 to give the β‐chlorocarboxylic acids (III).
ChemInform Abstract: 1‐Aryl‐3‐(2‐chloroethyl)ureas: Synthesis and in vitro Assay as Potential Anticancer Agents.
Authors: GAUDREAULT R. C. , LACROIX J. , PAGE M. , JOLY L. P.
Published: May 2016

Nitration of 4‐phenylbutyric acid (I) with nitric acid produces a mixture of the p‐nitro (III) and o‐nitro derivative (IV) which is separated by selective crystallization.
ChemInform Abstract: Phenoxide and Naphthoxide Ions as Nucleophiles for SRN1 Reactions: Synthesis of Biphenyl and Phenylnaphthyl Derivatives.
Authors: BEUGELMANS R. , BOIS‐CHOUSSY M.
Published: May 2016

The bromobenzenes (II) or (VI) are coupled with the phenoxides derived from (I) or (V) to form the hydroxybiphenyls (III) and (VII).
ChemInform Abstract: Acetylenedicarbaldehyde: Isolation and Some Examples of Exclusive Dienophilicity Under Neutral Conditions.
Authors: STEPHAN D. , GORGUES A. , BELYASMINE A. , LE COQ A.
Published: May 2016

Pure acetylenedicarbaldehyde (II) is obtained from the monoacetal (I) by treatment with formic acid and subsequent decomposition of formic acid with P2O5.
ChemInform Abstract: Two Crystalline Dimeric Peroxides from Sensitized Photooxidation of 2,5‐Dimethylfuran.
Authors: KUO Y.‐H. , SHIH K.‐S. , LEE G.‐H. , WANG Y.
Published: May 2016

Singlet oxygenation of 2,5‐dimethylfuran (I) yields the cleavage and/or the oxidation products (II) ‐ (V).
ChemInform Abstract: 4H‐Thieno(3,4‐c)pyrrole: Synthesis and Characterization of the Parent Ring System.
Authors: SHA C.‐K. , TSOU C.‐P. , WANG S.‐L.
Published: May 2016

Coupling of the methylthiophenealdehyde (I) with diethyl malonate (II), followed by bromination and substitution, gives the azide (V) which cyclizes to yield the tricyclic dihydrotriazole (VI).
ChemInform Abstract: Reactions of Furo(3,2‐b)pyrroles and Their Benzo(b) Analogues.
Authors: KRUTOSIKOVA A. , KRAL'OVICOVA E. , DANDAROVA M. , KELEMEN P.
Published: May 2016

Treatment of the ethoxycarbonylfuropyrroles (I) with acetic anhydride (II) yields the N‐acetyl derivatives (III), whereas the corresponding carboxylic acids (VIII) react with (II) under decarboxylation to give (IX) and dimerization, forming the pyrazinedione (Xb).
ChemInform Abstract: 3‐(α‐Halocarbonyl)pyrazolo(1,5‐a)benzimidazoles and Their Transformations.
Authors: KUZ'MENKO T. A. , KUZ'MENKO V. V. , SIMONOV A. M.
Published: May 2016

Bromination of the 3‐acetylpyrazolobenzimidazole (I) with bromine in acetic acid gives mainly the bromoacetyl derivatives (II) while in the presence of sodium acetate the deacylated dibromo product (IV) is obtained, together with (II) and (III).
ChemInform Abstract: Sulfur‐Containing Derivatives of Five‐Membered Cyclic Sulfones. Part 2. Intramolecular Cyclization of Isothioureidothiolene 1,1‐Dioxide Salts.
Authors: BEZUGLYI YU. V. , TUKHAR' A. A. , BEZMENOVA T. E. , FOREMNAYA V. P. , BRATUNETS A. G. , SHAKHVOROST A. M.
Published: May 2016

Treatment of the isothiuronium salts (I) with sodium bicarbonate gives the anellated thiazoles (II) as the result of an intramolecular cyclization.
ChemInform Abstract: Studies on Oxadiazoles. Part 8. Preparation and Antimicrobial Activity of p,p′‐Bis(2‐substituted‐benzoylamino‐1,3,4‐oxadiadiazol‐5‐ylmethylamino)diphenyl Sulfone.
Authors: SHAHSAFI M. A. , MESHKATALSADAT N. H. , PAREKH H.
Published: May 2016

The hydrazide (IV) is converted to the oxadiazole (VI) by cyclization with cyanogen bromide (V).
ChemInform Abstract: 5‐Aminothieno(3,2‐b)pyran‐7‐ones and Anellated Heterocyclic Systems on Their Basis.
Authors: VOLOVENKO YU. M. , LITENKO V. A. , TYUKHTENKO S. I. , BABICHEV F. S.
Published: May 2016

The hydroxythiophenecarboxylates (I) are coupled with the benzonitriles (II) to give the thienopyranones (III).
ChemInform Abstract: Studies on the Synthesis of Precocenes. The Photo‐Fries Rearrangement of Esters of α,β‐Unsaturated Carboxylic Acids and meta‐Oxygenated Phenols.
Authors: MIRANDA M. A. , PRIMO J. , TORMOS R.
Published: May 2016

The photo‐Fries rearrangement of the unsaturated phenyl esters (I) and (VI) yields the phenyl vinyl ketones (II) and (III) or (VII) which undergo base‐catalyzed cyclization to give the chromanones (IV), (V), or (VIII).
ChemInform Abstract: Studies on Reactive Intermediates. Part 6. Synthesis of Benzo(a)quinolizines via Methylketene Dimer.
Authors: DANESHTALAB M. , MICETICH R. G. , FORGHANIFAR S.
Published: May 2016

Isoquinoline (I) undergoes cyclocondensation with the methylketene dimer (II), forming the benzoquinolizinone (III).
ChemInform Abstract: Photochemical Synthesis of N4‐Substituted Cytosines.
Authors: CELEWICZ L. , SPYCHALA J. , GOLANKIEWICZ K.
Published: May 2016

The oxopyrimidinylamino acids (I) are decarboxylated upon photolysis, yielding the N4‐alkylcytosines (II).
ChemInform Abstract: Bridgehead Nitrogen Heterocycles. Synthesis and Various Reactions of 5‐(2‐Morpholinoquinoxalin‐3‐yl)‐4‐amino‐3‐mercapto‐4H‐1,2,4‐triazole.
Authors: FERNANDES P. S. , SONAR T. M.
Published: May 2016

The hydrazide (I) is cyclized with carbon disulfide (II) and hydrazine (III), to form the triazole (IV) which undergoes ring closure with (II), the carboxylic acids (VI), or ammonium thiocyanate (VIII) and benzoyl chloride (IX), yielding the triazolothiadiazoles (V), (VII), or (X).
ChemInform Abstract: Host‐Guest Complexation. Part 47. Carcerands and Carcaplexes, the First Closed Molecular Container Compounds.
Authors: CRAM D. J. , KARBACH S. , KIM Y. H. , BACZYNSKYJ L. , MARTI K. , SAMPSON R. M. , KALLEYMEYN G. W.
Published: May 2016

The carcerand (II), prepared by shell closure of the two bowl‐shaped cavitands (Ia) and (Ib) under high dilution conditions, is isolated as an inseparable and insoluble mixture (yield 29%) of (II) and complexes of (II) named carcaplex (II)·G containing all the ingredients of the reaction medium, i.e. DMF, Cs+ + Cl‐ (in stoichiometric amounts), THF, and argon.
ChemInform Abstract: Reaction Chemistry of Tris(trimethylsilyl)amine with Monohaloboranes.
Authors: JANIK J. FR. , NARULA C. K. , GULLIVER E. G. , DUESLER E. N. , PAINE R. T.
Published: May 2016

Reactions of tris(trimethylsilyl)amine (II) with the monochloroboranes (I) lead at ratio of 1:2 to mono‐ and disubstitution products (III) and (IV), at ratio 1:1 only to the monosubstitution products (III) (85/52%), and at ratio 1:3 only to (IVa) (83%), but to (IIIb) (23%) and (IVb) (20%).
ChemInform Abstract: Benzylic Grignard Reagents: Application of (Mg(anthracene)(thf)3) (thf = Tetrahydrofuran) in Regioselective Grignard Formation and C‐O Cleavage in Benzyl Ethers.
Authors: GALLAGHER M. J. , HARVEY S. , RASTON C. L. , SUE R. E.
Published: May 2016

Reaction of the halobenzylic halides (I) with the Mg complex (II) gives selectively the haloarylmethyl Grignard compounds (III).
ChemInform Abstract: Synthesis, Structure, and Reactivity of Tricoordinate Cerium(III) Aryloxides. The First Structurally Characterized Monomeric Ln(OR)3 Complexes.
Authors: STECHER H. A. , SEN A. , RHEINGOLD A. L.
Published: May 2016

The reaction of the Ce(III) triamide (I) with corresponding phenols (II) leads to the monomeric aryloxides (III).
ChemInform Abstract: New Synthetic Route to Oxo‐Bridged Chromium(III) Dimers from Dihydroxo‐Bridged Precursors. Crystal Structure and Characterization of the ((Cr(tmpa)(NCS))2O)2+ Cation.
Authors: GAFFORD B. G. , HOLWERDA R. A. , SCHUGAR H. J. , POTENZA J. A.
Published: May 2016

The complex (IV) as its perchlorate is prepared as outlined in the scheme and characterized by a crystal structure analysis (P21/c, Z=2) of the analogous thiocyanate.
ChemInform Abstract: Reaction of cis‐(Mo2(MeCO2)2(MeCN)6) (BF4)2 with dmpe and S,S‐dppb: Preparation, Crystal Structure, and Spectroscopic Properties of trans‐(Mo2(MeCO2)2(dmpe)2) (BF4)2 (dmpe: Bis(dimethylphosphino)ethane, S,S‐dppb: (2S,3S)‐Bis(diphenylphosphino)butane).
Authors: FARRUGIA L. J. , MCVITIE A. , PEACOCK R. D.
Published: May 2016

The title cis‐complex reacts with two equiv. dmpe in acetonitrile to give the air‐stable trans‐complex (I).
ChemInform Abstract: Preparation of Rhenium(VII) Monoimido Alkylidyne Complexes and Metathesis of Acetylenes via Rhenacyclobutadiene Intermediates.
Authors: SCHROCK R. R. , WEINSTOCK I. A. , HORTON A. D. , LIU A. H. , SCHOFIELD M. H.
Published: May 2016

The four‐coordinate monoimido bis(alkoxide) neopentylidyne complexes (IV) are synthesized by 1:3 molar reaction of tetrachloroamidoneopentylidyne‐rhenate (IIb), prepared as shown, with LiOR (III).
ChemInform Abstract: Formation, Characterization, and Reactivity of the Oxene Adduct of (Tetrakis(2,6‐dichlorophenyl)porphinato)iron(III) Perchlorate in Acetonitrile. Model for the Reactive Intermediate of Cytochrome P‐450.
Authors: SUGIMOTO H. , TUNG H.‐C. , SAWYER D. T.
Published: May 2016

The interaction of the title complex with pentafluoroiodosobenzene, MCPBA or O3 in MeCN at ‐35 °C yields an adduct containing an oxygen atom covalently bound to an iron(II)‐porphyrin radical center as assigned by spectroscopic, magnetic and electrochemical methods.
ChemInform Abstract: Pentacoordinate Iron‐Sulfur Complexes. Structure and Spectroscopic and Electrochemical Properties of Phenoxy‐ and Thiophenoxy‐Bridged Binuclear Complexes.
Authors: KANG B. S. , WENG L. H. , WU D. X. , WANG F. , GUO Z. , HUANG L. R. , HUANG Z. Y. , LIU H. Q.
Published: May 2016

The title complexes (III) and (V) both have five‐coordinate Fe atoms in different structures due to different hybridizations of bridging atoms.
ChemInform Abstract: Balance of Steric and Electronic Factors in Co3 Cluster Geometry: Synthesis, Structure, Computations, and Electrochemistry of (Co(μ‐Cy2P)(CO)2)3 (Cy: Cyclohexyl).
Authors: ALBRIGHT T. A. , KANG S.‐K. , ARIF A. M. , BARD A. J. , JONES R. A. , LELAND J. K. , SCHWAB S. T.
Published: May 2016

The title complex (I) is obtained by 1:2 molar reaction of Co2(CO)8 and dicyclohexylphosphine in refluxing toluene.
ChemInform Abstract: What Determines the Comproportionation Constant in Molecule‐Bridged Mixed‐Valence Complexes? Evidence for the Crucial Role of the Ligand LUMO in Four Ru(II)Ru(III) Dimers.
Authors: ERNST S. , KASACK V. , KAIM W.
Published: May 2016

Electrochemical data of the bis‐chelate‐bridged complexes ((Ru(bipy)2)2(μ,η4‐L))5+ (bipy:2,2'‐bipyridine) show conclusively that the electron density at the coordination centers in the LUMO of the bridging ligands (I)‐(IV) determine the comproportionation constant of the Ru(II),Ru(III) mixed‐valence state.
ChemInform Abstract: Evidence for a Specific Solvent‐Solute Interaction as a Major Contributor to the Excited‐State Distortion of the Emitting Charge‐Transfer State in the Complex (bpy)2Ru(II)(CN)2.
Authors: FUNG E. Y. , CHUA A. C. M. , CURTIS J. C.
Published: May 2016

The CT absorption and emission spectra of the neutral title molecule in a range of solvents (H2O, MeOH, EtOH, CHCl3, CH3NO3, DMF, DMSO, Py, acetone, HMPA) with varying Lewis acidity are investigated.
ChemInform Abstract: “Tailored” Organometallics as Precursors for the Chemical Vapor Deposition of High‐Purity Palladium and Platinum Thin Films.
Authors: GOZUM J. E. , POLLINA D. M. , JENSEN J. A. , GIROLAMI G. S.
Published: May 2016

The facile synthesis of semiconductor thin films of Pd and Pt by the metal‐organic chemical vapor deposition route from the precursor compounds (I)‐(III) under mild conditions (250 °C, 10‐4 Torr) and some properties of these films are described.
ChemInform Abstract: Platinum(II) Phosphine Complexes Containing 1,3,5‐Triazine and Related Ligands.
Authors: KAUFMANN W. , VENANZI L. M. , ALBINATI A.
Published: May 2016

Solution studies of the complexes (I) formed from Pt2Cl4(PR3)2 and heterocycle in CDCl3 are reported.
ChemInform Abstract: Structure of 8,13‐Dihydroxy‐14,15,17‐tri‐nor‐labd‐6(7)‐ene, the Product of Ozonization/Reduction of Larixol.
Authors: SHMIDT E. N. , ROMANCHENKO T. V. , PENTEGOVA V. A. , GATILOV YU. V. , RYBALOVA T. V. , ODINOKOV V. N. , KUKOVINETS O. S.
Published: May 2016

Ozonolysis of larixol (I) and subsequent reductive work‐up affords the novel title compound (II), whose structure is elucidated, inter alia, by an X‐ray analysis: space group P212121 with Z=4.
ChemInform Abstract: Synthesis of 2,3‐Methanoglutamic and ‐pyroglutamic Acid.
Authors: ELROD L. F. , HOLT E. M. , MAPELLI C. , STAMMER C. H.
Published: May 2016

Reaction of the unsaturated diacid (I) with diazomethane (II) gives the pyrazoline (III) which is cleaved upon photolysis, producing the cyclopropane (IV).
ChemInform Abstract: Stereoselective Synthesis of S‐(2‐Deoxy‐α‐D‐glycosyl)‐phosphorodithioates and of Their (2R)‐2‐Deoxy‐2‐deuterio Analogues. Novel Route to C‐2 Deuterium Labeled 2‐Deoxy Monosaccharides.
Authors: BOROWIECKA J. , LIPKA P. , MICHALSKA M.
Published: May 2016

Treatment of unsaturated pyranoses such as (I) or (IV) with phosphorodithioic acids results in cis addition and predominant (→ (III)) or exclusive (→ (VI)) formation of the very stable α anomers.
ChemInform Abstract: Pethidine Analogs with Restricted Conformation. Part 2. Stereoselective Synthesis of trans‐4‐Methyl‐10b‐ethoxycarbonyl‐1,2,3,4,4a,5,6,10b‐octahydrobenzo(f)quinoline.
Authors: REIMANN E. , BRACHER F.
Published: May 2016

The ethoxycarbonyltetralone (I) is reduced and then dehydrated to yield the olefinic ester (III).
ChemInform Abstract: An Antiinflammatory Cum Immunomodulatory Piperidinylbenzopyranone from Dysoxylum binectariferum: Isolation, Structure and Total Synthesis.
Authors: NAIK R. G. , KATTIGE S. L. , BHAT S. V. , ALREJA B. , DE SOUZA N. J. , RUPP R. H.
Published: May 2016

Starting with the reaction between the compounds (I) and (II), the racemic cis alcohol (IV) is synthesized as shown in the scheme.
ChemInform Abstract: Novel β‐Lactamase Inhibitory and Antibacterial 6‐Spiroepoxypenicillins.
Authors: BYCROFT B. W. , SHUTE R. E. , BEGLEY M. J.
Published: May 2016

Reaction of the diazopenicillanates (I) with oxalyl chloride (II), followed by hydrolysis and esterification, yields the spiro epoxides (IV) and (V).
ChemInform Abstract: Properties and Structure of Lead Fluorosilicate Glasses.
Authors: COON J. , SHELBY J. E.
Published: May 2016

Glass formation in the PbO‐PbF2‐SiO2 system is found to extend over a large compositional range.
ChemInform Abstract: Lead Galliate Glasses.
Authors: SHELBY J. E.
Published: May 2016

PbO‐Ga2O3 glasses containing 60‐80 mol% PbO are prepared and found to offer significant potential for applications requiring good IR transmission.
ChemInform Abstract: Composition and Resistivity of Sputtered Tungsten Silicides
Authors: HARA T. , HAYASHIDA H. , TAKAHASHI S.
Published: May 2016

are studied as a function of annealing temperature.
ChemInform Abstract: Growth of Single Crystals, Structure and Photoelectric Properties of Novel Polymorphous Modifications of GaInS3.
Authors: AMIRASLANOV I. R. , AZIZOV T. KH. , GUSEINOV G. G. , KULIEV A. S. , NIFTIEV G. M.
Published: May 2016

By the method of chemical transport, using iodine as the transportation agent, single crystals of two novel modifications of GaInS3 are obtained.
ChemInform Abstract: The Lithium‐Gallium System. Redetermination of Phase Equilibrium Diagram in the Range Ga‐LiGa.
Authors: TILLARD‐CHARBONNEL M. , BELIN C.
Published: May 2016

In addition to the eutectic invariant at 29 °C, 4 peritectic invariants (74, 302, 341, 381 °C) are observed in the Ga‐rich domain of the phase diagram.
ChemInform Abstract: Quantum Chemical Study of Metal Oxide Catalysts. Structures of Vanadium Oxide and Niobium Oxide Clusters Supported on Silica and Alumina
Authors: KOBAYASHI H. , YAMAGUCHI M. , TANAKA T. , NISHIMURA Y. , KAWAKAMI H. , YOSHIDA S.
Published: May 2016

as well as the unsupported catalysts are investigated by using the ab initio MO method.
ChemInform Abstract: Studies on Reaction of Dirhodium(II) Aquo Cation with Dioxygen.
Authors: MOSZNER M. , ZIOLKOWSKI J. J.
Published: May 2016

The color of a green (Rh2(aq))4+ solution changes to yellow when air oxygen slowly diffuses into the solution.
ChemInform Abstract: Luminescence Spectra and Lifetimes of Cerium(III) Compounds as Indicators of Solution Behavior and Radiative Efficiency.
Authors: HAZIN P. N. , LAKSHMINARAYAN C. , BRINEN L. S. , KNEE J. L. , BRUNO J. W. , STREIB W. E. , FOLTING K.
Published: May 2016

The solution behavior of some bis(pentamethylcyclopentadienyl)cerium compounds is investigated, including the tendency of (I) to adopt a solution structure (II) in THF or (III) in MeCN.
ChemInform Abstract: Novel 1,4‐Dipolar Cycloaddition Reactions of 6‐Oxo‐6H‐1,3‐oxazin‐3‐ium‐4‐olates and of a 6‐Oxo‐6H‐1,3‐thiazin‐3‐ium‐4‐olate to Ketene Derivatives and Enamines.
Authors: GOTTHARDT H. , FLOSBACH C.
Published: May 2016

Cycloaddition of betaines (I), (IX) and (XIII) with ketene derivatives (II), (XII) yields primary adducts of type (III) giving the pyridinones (IV), (VIII) and (XI) on thermolysis.
ChemInform Abstract: Hypophosphorous Acid as a Hydride Ion Donor.
Authors: KARPEISKAYA O. A. , BELYI A. A. , PARNES E. N. , VOL'PIN M. E.
Published: May 2016

Anhydrous hypophosphorous acid reduces triphenylcarbinol (I) to give triphenylmethane (II).
ChemInform Abstract: Reactions of Phenyl Derivatives of Lanthanoids with Fluoroolefins.
Authors: SIGALOV A. B. , BELETSKAYA I. P.
Published: May 2016

Coupling of phenyleuropium iodide (IIIb) or phenylytterbium iodide (IIIc) with the fluoroolefins (IV) or (VII) gives the phenylation products (VI) or (VIII).
ChemInform Abstract: Synthesis and Application of Imidazole Derivatives: Preparation of Various Diketones form 1,n‐Bis(1‐methyl‐1H‐imidazol‐2‐yl)alkane‐1,n‐diones.
Authors: HAYAKAWA S. , BABA J. , OKAMOTO M. , OHTA S.
Published: May 2016

The dimethyl dicarboxylates (I) are converted into the bispyrrolidine amides (III) which react with the lithiated derivative of the imidazole (IV), forming the diketones (V).
ChemInform Abstract: Selenosulfonation of 1,3‐Dienes: One‐Pot Synthesis of 2‐(Phenylsulfonyl)‐1,3‐dienes.
Authors: BAECKVALL J. E. + , NAJERA C. , YUS M.
Published: May 2016

Butadiene (I) reacts with the selenosulfonate (II) to give the adduct (III) or (IV) depending on the temperature.
ChemInform Abstract: 2‐Oxabicyclo(2.1.1)hexane and 2‐Oxabicyclo(2.1.1)hex‐5‐yl Derivatives.
Authors: KIRMSE W. , MROTZECK U.
Published: May 2016

In connection with the study of rearrangements of structures of type (II) to the 2‐oxanorbornyl cations (I) or (III), the parent substance (VII) is synthesized in order to confirm the configuration of (II).
ChemInform Abstract: Pyrrole Formation from a (1‐Azabutadiene)tricarbonyliron(0) Complex.
Authors: DANKS T. N. , THOMAS S. E.
Published: May 2016

The imine (I), derived from benzylideneacetone and aniline, is converted to the iron complex (III) mentioned in the title.
ChemInform Abstract: Asymmetric Induction by Chiral Silicon. Synthesis and Electrophilic Reactivity Towards Dienes and Carbanions of (R)‐(‐)‐Methyl‐α‐naphthylphenylsilyl Phenyl Thioketone.
Authors: BONINI B. F. , MAZZANTI G. , ZANI P. , MACCAGNANI G.
Published: May 2016

Treatment of the silyl ketone (I) with hydrogen sulfide yields the thione (II) which is oxidized or methylated to form the sulfine (III) or the sulfides (V).
ChemInform Abstract: A New Method of α‐Functionalization for Tertiary Amines by Nucleophilic Substitution of α‐Siloxy Amines.
Authors: TOKITOH N. , OKAZAKI R.
Published: May 2016

α‐Siloxy amines such as (III), which are generated in situ from the amine N‐oxides (I) or (VI), react with the Grignard reagents (IV) to give the α‐functionalized amines (V) or (VII).
ChemInform Abstract: Synthesis of New Isoxazolo(5,4‐b)pyridine Derivatives.
Authors: EL‐BANNANY A. A. A. , IBRAHIEM L. I. , CHOZLAN S. A. S.
Published: May 2016

The 5‐aminoisoxazole (I) reacts with the cinnamic acid nitriles (II) or with acetylacetone (IV) to give the isoxazolopyridines (III) and (V).
ChemInform Abstract: Syntheses and Properties of 2,2′‐Binaphtho(1,8‐de)‐1,3‐dithiinylidene (IXa) and Its Selenium Analogue (IXb), 2‐(1,3‐Dithiol‐2‐ylidene)naphtho(1,8‐de)‐1,3‐dithiin (XXI), and 2‐(4H‐Thiopyran‐4‐ylidene)naphtho(1,8‐de)‐1,3‐dithiin (XVIII).
Authors: YUI K. , ASO Y. , OTSUBO T. , OGURA F.
Published: May 2016

Cyclic voltammetry indicates that the symmetrical (IX) are poor electron donors, but the unsymmetrical (XVIII) and (XXI) possess considerable donor ability and indeed form 1:1 CT complexes with DDQ and tetrafluoro‐7,7,8,8‐tetracyanoquinodimethane (conductivities 10‐3 to 10‐8 S·cm‐1).
ChemInform Abstract: Verdazyls. Part 32. 6‐Oxo‐ and 6‐Thioxoverdazyls.
Authors: NEUGEBAUER F. A. , FISCHER H. , SIEGEL R.
Published: May 2016

The alkyl‐substituted title compounds (IIa) and (IVa) can be stored for months at ‐20 °C under exclusion of light; their aryl‐substituted analogues are even more stable.
ChemInform Abstract: Tricyclic Analogues of the Antiallergic Agent Oxatomide: 1‐(3‐(4‐(10,11‐Dihydro‐5H‐dibenzo(a,d)cycloheptene‐5‐yl)‐1‐piperazinyl)propyl)‐1,3‐dihydro‐2H‐benzimidazol‐2‐one and the Related 6,11‐Dihydrodibenzo(b,e)thiepin, 4,9‐Dihydrothieno(2,3‐c)‐2‐benzothiepin, and 10,11‐Dihydrodibenzo(b,f)thiepin Derivatives.
Authors: JILEK J. , HOLUBEK J. , SVATEK E. , METYS J. , FRYCOVA H. , POMYKACEK J. , PROTIVA M.
Published: May 2016

The title analogues (IIIb), (VI) and (IX) of oxatomide (IIIa) are tested as potential antiallergic agents.
ChemInform Abstract: An Asymmetric Hydrogen Equivalent: Use of the 1‐Naphthylphenylmethylsilyl Group in the Preparation of Optically Active Allyl Alcohols and (S)‐1‐Phenyl‐1,2‐butadiene.
Authors: TORRES E. , LARSON G. L. , MCGARVEY G. J.
Published: May 2016

The dibromomethylsilane (I) reacts with LDA and ethyl iodide (II) to give the dibromopropylsilane (III) which is dehydrobrominated, yielding the bromo olefin (IV).
ChemInform Abstract: Z/E‐Isomerization of Alkoxypropenylphosphonium Salts by Nucleophiles.
Authors: NESMEYANOV N. A. , KHARITONOV V. G. , REBROVA O. A. , PETROVSKII P. V. , REUTOV O. A.
Published: May 2016

Treatment of the phosphonium salts Z‐(I) with diethylamine or triethylamine gives a 1:4 mixture of E‐(II) and Z‐(I).
ChemInform Abstract: Transition‐Metal Silyl Complexes. Part 23. Experiments on the Mechanism of the Formation of (C5H4Si(SiMe3)3)2WH2 from (C5H5)2WCl2 and Li(Si(SiMe3)3).
Authors: SCHUBERT U. , SCHENKEL A.
Published: May 2016

Silyl complexes, which are formed as intermediates in the reaction of (Ia) with (II) spontaneously rearrange to give (III).
ChemInform Abstract: Reaction of Certain Nitrogen Oxides with Iron(III) Porphyrin μ‐Oxo Complexes.
Authors: SETTIN M. F. , FANNING J. C.
Published: May 2016

The nitrogen oxides NO, N2O4, and N2O3 are reacted with the title complexes (I) in toluene in the absence of O2, (Ib) also in the more polar medium DMA.
ChemInform Abstract: Interconversion of Dinuclear and Oxo‐Centered Trinuclear Cobaltic Acetates.
Authors: SUMNER C. E. JUN.
Published: May 2016

The binuclear cluster (V) and the oxo‐centered trinuclear cluster (VI) are synthesized by the oxidation of Co(II) acetate (I) with peracetic acid in the presence of pyridine in aqueous acetic acid.
ChemInform Abstract: Studies on Copper(II) Complexes of o‐Quinone Monooximes. Part 4. Interaction Between Aquobis(1,2‐naphthoquinone 1‐oximato)copper(II) and Lanthanoid(III) Ions. New Heteropolynuclear Complexes Containing Cu(II) and Ln(III).
Authors: BISI CASTELLANI C. , CARUGO O. , TOMBA C. , BERBENNI V. , CINQUETTI S.
Published: May 2016

The reaction of the title Cu complex with LaCl3 or NdCl3 leads to isomorphous, microcrystalline products, which are tentatively formulated as (I).
ChemInform Abstract: Vinylidene Metal Complexes. Part 5. Cycloaddition Reactions of Organometal Complexes. Part 10. Addition of Nitrenes to the Rh=C Bond of C5H5Rh(=C=CHR)P(iPr)3. Formation of Five‐Membered Metalla‐Heterocycles and a Ketenimine Rhodium Complex.
Authors: HOEHN A. + , WERNER H.
Published: May 2016

The metalla‐heterocycle (IIIb) is obtained as the Z isomer and (IIIc) as an E/Z mixture (no yield given), the ratio of which is solvent‐dependent (Z : E = 10 : 8 in acetone, 10 : 3 in ether).
ChemInform Abstract: Esters of N‐(9‐Fluorenylmethoxycarbonyl) Amino Acids with 4‐Hydroxy‐3‐oxo‐2,5‐diphenyl‐2,3‐dihydrothiophene 1,1‐Dioxide (Fmoc‐Amino Acid TDO Esters) and Their Use in Solid Phase Peptide Synthesis.
Authors: KIRSTGEN R. , OLBRICH A. , REHWINKEL H. , STEGLICH W.
Published: May 2016

Various title esters such as (III) are prepared by reaction of the Fmoc‐amino acids (I) with the cyclic carbonate (II).