bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Novel Polyquinanes from a Caged Hexacyclic (4.4.2)Propellane System.
Authors: MEHTA G. , SRIKRISHNA A. , RAO K. S. , REDDY K. R. , ACHARYA K. A. , PURANIK V. G. , TAVALE S. S. , ROW T. N. G.
Published: May 2016

The hexacyclic propellanedione (I) reacts with borontrifluoride etherate to give the products (II) ‐ (IV).
ChemInform Abstract: Silylated Aminophosphonium Salts and Aminophosphonium Methylides.
Authors: SCHMIDBAUR H. , PICHL R. , MUELLER G. +
Published: May 2016

The reaction of the phosphonium methylides (I) with the chlorosilanes (II) and (V), on treatment with a second equivalent of the ylide or with strong base, yields the silylated ylides (IV) and (VII), resp., via the salts (III) and (VI).
ChemInform Abstract: Synthesis and Biological Activity of Some Phenylazoselenazoles.
Authors: POPOVA Z. I. , TSURKAN A. A. , STEBLYUK P. N.
Published: May 2016

The title compounds (III) are prepared by azo coupling of (I) with the diazonium salts of the amines (II).
ChemInform Abstract: Cyclofunctionalization of Hydroxyolefins Induced by Arenetellurinic Anhydride.
Authors: HU N. X. , ASO Y. , OTSUBO T. , OGURA F.
Published: May 2016

The tellurinic anhydrides (I) are treated with acetic acid to form the tellurinyl acetates (II).
ChemInform Abstract: Chemistry of Polynuclear Metal Complexes with Bridging Carbene or Carbyne Ligands. Part 57. Reactions of Iron‐Molybdenum Complexes with Oxygen and Sulfur; Crystal Structure of (FeMo(.mu±eta.2‐SCC6H4Me‐4)(CO)5(η‐C5H5)).
Authors: BYRNE P. G. , GARCIA M. E. , JEFFERY J. C. , SHERWOOD P. , STONE F. G. A.
Published: May 2016

The preparation of the oxo‐bridged species (IIa) occurs stoichiometrically and proceeds in high yield.
ChemInform Abstract: Chemistry of Polynuclear Metal Complexes with Bridging Carbene or Carbyne Ligands. Part 59. Reactions of the Alkylidyne Compounds (M(CR)(CO)2(HB(pz)3)) (M: Cr, Mo, or W, R: C6H4Me‐4; M: W, R: Me, HB(pz)3: Hydrotris(pyrazol‐1‐yl)borate) with d10 Complexes; Crystal Structure of (PtW2(μ‐CMe)2(CO)4(HB(pz)3)2).
Authors: BECKE S. H. F. , BERMUDEZ M. D. , TRAN‐HUY N. H. , HOWARD J. A. K. , JOHNSON O. , STONE F. G. A.
Published: May 2016

The structure of the new complexes (III) has been established by an X‐ray diffraction study of (IIIb) (space group P21/n, Z=4).
ChemInform Abstract: Chemistry of Polynuclear Metal Complexes with Bridging Carbene or Carbyne Ligands. Part 60. Di‐ and Tri‐Metal Compounds Prepared from the Metal Alkylidyne Complexes (W(CR)(CO)2(η‐C5Me5)) (R: Me or C6H4Me‐4) and (M(CR)(CO)2(HB(pz)3)) (M: Mo, R: C6H4Me‐4; M: W, R: Me; HB(pz)3: Hydrotris(pyrazol‐1‐yl)borate).
Authors: BERMUDEZ M. D. , DELGADO E. , ELLIOTT G. P. , TRAN‐HUY N. H. , MAYOR‐REAL F. , STONE F. G. A. , WINTER M. J.
Published: May 2016

Some new alkylidyne metal complexes (III) are prepared.
ChemInform Abstract: Multiple Bonds Between Main‐Group Elements and Transition Metals. Part 40. Glycolate and Thioglycolate Complexes of Rhenium and Their Oxidative Elimination of Ethylene and of Glycol.
Authors: HERRMANN W. A. , MARZ D. , HERDTWECK E. , SCHAEFER A. + , WAGNER W. , KNEUPER H.‐J.
Published: May 2016

The Criegee and the Sharpless variants of olefin oxidation on MnO4‐ and OsO4‐catalysts, resp., presumably proceed via glycolate complexes as intermediates.
ChemInform Abstract: Synthesis and Characterization of Five‐Coordinate High‐Spin Iron(II) Porphyrin Complexes with Unusually Large Quadrupole Splittings. Models for the P460 Center of Hydroxylamine Oxidoreductase from Nitrosomonas.
Authors: NASRI H. , FISCHER J. , WEISS R. , BILL E. , TRAUTWEIN A.
Published: May 2016

The title complexes (I) are prepared by reaction of zinc amalgam and the iron(III) triflate of the picket‐fence porphyrin in chlorobenzene under Ar followed by addition of the K or Na salt of the coordinating anions complexed by the cryptand 222 (no yields given).
ChemInform Abstract: Thermally Induced Phase Transition and X‐Ray Crystal Structure of Bis(N,N′‐dimethyl‐1,2‐ethanediamine)di‐isothiocyanatonickel(II).
Authors: MUKHERJEE A. K. , MUKHERJEE M. , WELCH A. J. , GHOSH A. , DE G. , CHAUDHURI N. R.
Published: May 2016

Nickel thiocyanate dissolved in ethanol/water (9:1) reacts with the diamine to the trans‐complex (I), which crystallizes in the space group C2/c with Z=4.
ChemInform Abstract: The Preparation of (Ru(NCMe)6) (7‐(η6‐C6Me6)‐nido‐7‐RuB10H13)2 and Its Characterization by Single‐Crystal X‐Ray Diffraction Analysis and Nuclear Magnetic Resonance Spectroscopy: a Triply Hydrogen‐Bridged Eleven‐Vertex nido‐7‐Metallaundecaborane.
Authors: BOWN M. , FONTAINE X. L. R. , GREENWOOD N. N. , KENNEDY J. D. , THORNTON‐PETT M.
Published: May 2016

The reaction of the dimer (I) with the arachno‐anion of (II) in the presence of MeCN (III) yields the title compound (IV) whose structure is determined by an X‐ray analysis (space group P1, Z=1).
ChemInform Abstract: High Nuclearity Osmium Cluster Radicals.
Authors: DRAKE S. R. , JOHNSON B. F. G. , LEWIS J. , MCQUEEN R. C. S.
Published: May 2016

The radical anion species (II) and (IV) are prepared by electrochemical (controlled potential electrolysis at +1.0 V for (I) and +0.50 V for (III)) and chemical (AgBF4/CH2Cl2 or FeCl3/THF) methods.
ChemInform Abstract: Formation of Diiridium(II) Complexes by Photoassisted Oxidative‐Addition Reactions: Structure of a Stable Binuclear Iodo(iodomethyl)iridium(II) Complex.
Authors: CIRIANO M. A. , VIGURI F. , ORO L. A. , TIRIPICCHIO A. , TIRIPICCHIO‐CAMELLINI M.
Published: May 2016

A new family of binuclear Ir(II) complexes is prepared.
ChemInform Abstract: 2‐Chloro‐3,4‐dihydroimidazole. Part 2. Synthesis of Cyanines from 6‐Aryl‐2,3‐dihydro‐6aH‐imidazo(1,2‐a)pyrido(1,2‐c) (1.3.5)triazin‐5(6H)‐ones. Crystal and Molecular Structure of 6‐Phenyl‐2,3‐dihydro‐6aH‐imidazo(1,2‐a)pyrido(1,2‐c) (1,3,5)triazin‐5(6H)‐one.
Authors: SACZEWSKI F. , GDANIEC M. , OSMIALOWSKI K.
Published: May 2016

The chlorodihydroimidazole (I) reacts with pyridine (II) and the isocyanates (III) to give the imidazopyridotriazinones (IV), which are converted to the cyanines (VI).
ChemInform Abstract: Synthesis of the Corticoid Side Chain from 17α‐(Haloethynyl)‐17β‐(nitrooxy)androstenes.
Authors: HOFMEISTER H. , ANNEN K. , LAURENT H. , WIECHERT R.
Published: May 2016

The androstene derivatives (Ia) and (Ib) react according to A) to give the desired products (IIa)‐(IId).
ChemInform Abstract: Spirocyclic Sesquiterpene Synthesis via Quinone Methide Coupling Reactions. Anhydro‐β‐rotunol.
Authors: MARX J. N. , BIH Q.‐R.
Published: May 2016

The dimethylphenol (I) is converted to the mesylate (II) which is coupled with the dilithium salt of (III) to give (IV) via a quinone methide intermediate.
ChemInform Abstract: Synthesis via Vinyl Sulfones. Part 21. Total Synthesis of d,l‐Morphine.
Authors: TOTH J. E. , FUCHS P. L.
Published: May 2016

The key step in the total synthesis of morphine (VI) is the coupling of the phenol (I) with the alcohol (II) under Mitsunobu's conditions.
ChemInform Abstract: A Study of the Gas‐Phase Reaction of NO2 with O3 by Matrix Isolation IR Spectroscopy
Authors: MORRIS V. R. , BHATIA S. C. , HALL J. H. JUN.
Published: May 2016

indicates that asym‐N2O3 and iso‐N2O4 are major products.
ChemInform Abstract: Chemistry of Phosphorus. Part 171. 31P NMR Spectroscopic Detection of Heptaphosphane(9), P7H9: erythro‐ and threo‐2,3‐Diphosphino‐pentaphosphane.
Authors: BAUDLER M. , RIEKEHOF‐BOEHMER R. + , HAHN J.
Published: May 2016

As detected by 31P NMR spectroscopy, liquid mixtures of higher phosphanes PnHn+2, obtained as residue from distillation of crude diphosphane or by thermolysis of P2H4, contain small amounts of heptaphosphane(9).
ChemInform Abstract: The Photoluminescence (PL) of Molybdenum Surface Compounds on Silicagel Supports
Authors: MORYS P. , SCHMERBECK S.
Published: May 2016

under UV excitation has been investigated as functions of Mo concentration, temp. (10‐293 K), and the surrounding atmosphere (He, Ar).
ChemInform Abstract: Photoassisted Hydrogen Generation: Pt and CdS Supported on Separate Particles.
Authors: SOBCZYNSKI A. , BARD A. J. , CAMPION A. , FOX M. A. , MALLOUK T. , WEBBER S. E. , WHITE J. M.
Published: May 2016

Dispersion of TiO2, ZnO, SnO2, and WO3 on silica, giving high surface area materials with nearly equal specific surface areas, permit comparison of the catalytic properties of different supported oxides.
ChemInform Abstract: Electrocatalysis of Oxygen Reduction by Chalcogenides Containing Mixed Transition Metal Clusters
Authors: ALONSO VANTE N. , JAEGERMANN W. , TRIBUTSCH H. , HOENLE W. + , YVON K.
Published: May 2016

having a catalytic activity comparable to that of Pt.
ChemInform Abstract: Characterization of Magnesium‐Aluminum Double Hydroxide Prepared from Alkoxides and its Products of Thermolysis.
Authors: YAMAGUCHI O. , TAGUCHI H. , MIYATA Y. , YOSHINAKA M. , SHIMIZU K.
Published: May 2016

A pure Mg‐Al double hydroxide has been prepared by hydrolyzing Mg(OMe)2/Al(OiPr)3 mixtures of various compositions (Mg2+/(Mg2+ + Al3+) = 0.6‐0.8) by adding water containing NH4OH (H2O/NH4OH = 2:1) at 20 °C and stirring while the temp. is slowly increased to 75 °C. The IR spectra of the as hydrolyzed powders are found to be similar in shape to those of 4 Mg(OH)2·Al(OH)3 (I) synthesized by Feitknecht and Gerber (1942) and the naturally occurring mineral Mg6Al2(OH)18·4 H2O (II).
ChemInform Abstract: Double‐Cubane‐Type Molybdenum‐Sulfur Cluster Aqua Ion, ((H2O)9Mo3S4MoS4Mo3(H2O)9)8+
Authors: SHIBAHARA T. , YAMAMOTO T. , KANADANI H. , KUROYA H.
Published: May 2016

, has been prepared by addition of Mg foil to an aqueous acidic (6 M HCl) solution of the Mo3S44+ aqua ion (I) at 0 °C. The cation has been isolated by column chromatography and precipitated as salt of the p‐toluenesulfonic acid, ((H2O)9Mo3S4MoS4Mo3(H2O)9)(MeC6H4SO3)8·18 H2O (II).
ChemInform Abstract: EPR Study of Local and Cooperative Symmetry Effects in N‐Salicylideneglycinatocopper(II) Complexes.
Authors: PLESCH G. , FRIEBEL C. , SVAJLENOVA O. , KRAETSMAR‐SMOGROVIC J. +
Published: May 2016

Starting with N‐salicylideneglycinatoaquocopper(II) hemihydrate the complexes (I) are prepared and characterized by EPR and ligand field spectra.
ChemInform Abstract: Spin Coupling in Metalloporphyrin π‐Cation Radicals.
Authors: ERLER B. S. , SCHOLZ W. F. , LEE Y. J. , SCHEIDT W. R. , REED C. A.
Published: May 2016

The magnetic interactions between metal and ligand spins in metalloporphyrin π‐cation radicals (I) are investigated as a function of d orbital type for synthetically accessible compounds containing S = 1/2 metals from the first transition series.
ChemInform Abstract: Copper(II) Complexes of Tyrosine‐Containing Tripeptides.
Authors: KISS T.
Published: May 2016

A pH‐metric and spectroscopic (UV‐VIS, ESR) study of the complexes (I) is described.
ChemInform Abstract: Aliphatic Azo Compounds. Part 16. Stereoisomerization and Homolytic Decomposition of cis and trans Bridgehead Diazenes.
Authors: SCHMITTEL M. , RUECHARDT C. +
Published: May 2016

For the series (I)‐(III) of azo compounds, activation parameters for their homolytic decomposition and their cis‐trans isomerization reactions are reported.
ChemInform Abstract: Aromatic Annelation via α‐Oxoketene Dithioacetals: Synthesis of Thioresorcinol Dimethyl Ethers. Part 56.
Authors: GUPTA A. K. , ILA H. , JUNJAPPA H.
Published: May 2016

The α‐oxoketene dithioacetals (I) are coupled with propargylmagnesium bromide (II) to produce the alcohols (III) which are cyclized with boron trifluoride, yielding the 3‐thiomethylanisoles (IV).
ChemInform Abstract: Arene‐Iminium Salt Electron‐Transfer Photochemistry. Mechanistically Interesting Photoaddition Processes.
Authors: BORG R. M. , HEUCKEROTH R. O. , LAN A. J. Y. , QUILLEN S. L. , MARIANO P. S.
Published: May 2016

Several photochemical reactions are studied such as a) quenching of the fluorescence of the pyrrolinium perchlorates (II) by the arenes (I) and (VIIa) (R2: ‐H), b) quenching of the fluorescence of the perchlorates (IV) and (V) by the arenes (III) and (VIIa), c) photochemical reaction of perchlorate (VI) with the toluenes (VII) leading to the products (VIII)‐(X) (solvent MeCN) or (VIII)‐(XII) (solvent MeOH) in yields depending on arene (VII) and solvent, d) the same photochemical reactions of (IIa) with the toluenes (VII) (solvents MeCN and MeOH) to analogous products, or of (IV) with the toluenes (VIIa) (solvents MeCN and MeOH).
ChemInform Abstract: 10‐Hydroperoxy‐8,12‐octadecadienoic Acid: A Diagnostic Probe of Alkoxyl Radical Generation in Metal‐Hydroperoxide Reactions.
Authors: LABEQUE R. , MARNETT L. J.
Published: May 2016

Whereas the title hydroperoxy acid (I), when reacted with FeCl3/cysteine (1:400:100), yields aldehydic acid (II) (92%) via β‐scission of a putative alkoxyl radical and oxoacid (III) (8%), but no hydroxy acid (IV), its reaction with prostaglandin H synthase in the presence of phenol gives only 4% (II) and 1% (III), but 95% of hydroxy acid (IV).
ChemInform Abstract: Photocatalytic Oxidation of Hydrocarbons by (5,10,15,20‐Tetraphenylporphyrinato)manganese(III) Perchlorate and Periodate.
Authors: SUSLICK K. S. , ACHOLLA F. V. , COOK B. R.
Published: May 2016

Irradiation of MnTPP(ClO4) into either its Soret or the LMCT bands cleanly produces MnTPPCl (quantitative conversion) and the oxidation of toluene (I) (to benzaldehyde (II)), cyclopentane (III) (to cyclopentanone (IV)), or cyclohexene (V) (to products (VI)‐(VIII)).
ChemInform Abstract: Phosphate Ester Hydrolysis Catalyzed by Metallomicelles.
Authors: MENGER F. M. , GAN L. H. , JOHNSON E. , DURST D. H.
Published: May 2016

The rate of the hydrolysis of (I) in the presence of (IVa) is accelerated by the 105‐fold, the catalysis showing turnover behavior.
ChemInform Abstract: Selective Carboalumination of Monosubstituted Acetylenes by Alumocuprate Reagents.
Authors: KUCHIN A. V. , TOLSTIKOV G. A. , ANDREEVA N. I.
Published: May 2016

The alkylaluminum compounds (I) react with the 1‐alkynes (II) in the presence of copper(I) bromide, predominantly in the 2‐position, producing the methylenealkanes (III) after hydrolysis.
ChemInform Abstract: Mechanisms of Hemin‐Catalyzed Epoxidations: Electron Transfer from Alkenes.
Authors: TRAYLOR T. G. , MIKSZTAL A. R.
Published: May 2016

Two rearrangements of alkenes, known to proceed through the intermediacy of the alkene cation radical, are observed to accompany the hemin‐catalyzed epoxidation of these alkenes.
ChemInform Abstract: Reaction of 1,2‐Dichloroiodotrifluoroethane with Zinc.
Authors: EAPEN K. C. , TAMBORSKI C.
Published: May 2016

The coupling reaction of the title compound (I) with zinc is reinvestigated.
ChemInform Abstract: Dimethyl‐N‐halogenoamines, Their Ammonium Salts and Borontrihalide Adducts.
Authors: MINKWITZ R. , NASS R. , PREUT H.
Published: May 2016

The preparation and the Raman spectra of the salts (III) and the adducts (V) are reported; the X‐ray structure of (Va) is determined (space group Pnma, Z=4).
ChemInform Abstract: Asymmetric Synthesis of Cyanohydrins Catalyzed by Optically Active Cyclic Peptides or Amides.
Authors: HAYASHI H. , KOBAYASHI Y. , MIYAJI K. , INOUE S.
Published: May 2016

When aliphatic aldehydes are added to hydrogen cyanide in the presence of L‐α‐dimethylamino‐ε‐caprolactam (I), the optical yield of the cyanohydrins obtained reaches 5 ‐ 30%.
ChemInform Abstract: The Reaction of Methacrylic Acid with a Fluorinated Epoxide. Catalysis by the Potassium Salt of the Acid.
Authors: GUERY C. , VIGUIER M. , COMMEYRAS A.
Published: May 2016

The reaction of the epoxide (II) in a melt of methacrylic acid (I), yielding the ester (III), is catalyzed by the potassium salt of (I).
ChemInform Abstract: The Chemistry of the Sulfurhalogenides. Part 15. Dichlorofluoro Trifluoromethyl Sulfurane, CF3SCl2F.
Authors: MINKWITZ R. , NASS U.
Published: May 2016

The sulfonium salt (I) decomposes to give the sulfurane (II) and AsF5 (III).
ChemInform Abstract: Synthesis and Oxidative Coupling of Bi‐cyclononatetraenylide. Reaction of Bi‐cyclononatetraenyl with Potassium.
Authors: ESCHER A. , NEUENSCHWANDER M.
Published: May 2016

In contrast to previous reports, reaction of bi‐cyclononatetraenyl (I) with potassium produces the cyclononatetraenide (II) which isomerizes to form (III) with excess potassium.
ChemInform Abstract: Bissecododecahedranes ‐ Unusual, Hyperstable Olefins.
Authors: SPURR P. R. , MURTY B. A. R. C. , FESSNER W.‐D. , FRITZ H. , PRINZBACH H.
Published: May 2016

(1.1.1.1)Pagodane (Ia) and its dione (Ib) are transformed by some reaction sequences alluding to different syntheses of dodecahedrane.
ChemInform Abstract: Pentacyclo(4.3.1.01,6.07,9.08,10)decane: A Cyclopropane Edge‐Bridged Prismane and Its Rearrangement to a Fulvene.
Authors: KOSTERMANS G. B. M. , HOGENBIRK M. , TURKENBURG L. A. M. , DE WOLF W. H. , BICKELHAUPT F.
Published: May 2016

In order to obtain the hitherto unknown (4)metacyclophane (I), the known Dewar isomer (II) is irradiated, but within 2 h (II) is quantitatively converted to the title compound (III) which in turn is slowly transformed on prolonged irradiation to tetralin (IV) or on warming to room temp. to a mixture of (IV) and fulvene (V).
ChemInform Abstract: Studies on the Terpenoids and Related Alicyclic Compounds. Part 37. A Facile Synthesis of Bicyclic α‐Methylene‐γ‐lactones by Intramolecular Cyclization of Allylsilylated Aldehydes.
Authors: NISHITANI K. , YAMAKAWA K.
Published: May 2016

The aldehydes (I) react with the ester (II) after lithiation to give the corresponding adducts which are dehydrated by mesylation, yielding the olefins (IV).
ChemInform Abstract: A Convenient One‐Pot Synthesis of Carboxylic Acid Anhydrides Using 1,1′‐Oxalyldiimidazole.
Authors: KITAGAWA T. , KURODA H. , SASAKI H.
Published: May 2016

The carboxylic acids (I) react with 1,1'‐oxalyldiimidazole (II) to give the anhydrides (III).
ChemInform Abstract: Synthesis of Conjugated Trienes by Palladium(0) Catalyzed Cross Coupling.
Authors: GILCHRIST T. L. , SUMMERSELL R. J.
Published: May 2016

2‐Tetralone (I) is consecutively converted to the 2‐bromoaldehyde (II) and the vinyl derivative (IV).
ChemInform Abstract: Synthesis and Anticonvulsive Activity of 1‐R‐3‐Acetonyl‐3‐hydroxy Oxindole Oximes and Their Derivatives.
Authors: GEVORKYAN K. A. , PAPAYAN G. L. , CHSHMARITYAN S. G. , PARONIKYAN R. G. , AKOPYAN N. E. , ENGOYAN A. P.
Published: May 2016

Oximes such as (I) are prepared by common methods and tested for their anticonvulsive effect.
ChemInform Abstract: The Synthesis and Reactions of Trisubstituted N‐(X‐2‐benzothiazolyl)formamidines.
Authors: LACOVA M. , NGUYEN THI NGA NGUYEN THI NGA
Published: May 2016

Three types of products, the compounds (III), (V) and (VI), are obtained from the reaction of the benzothiazoles (I) with the formamides (II) and (IV) in the presence of Ph‐SO2‐Cl.
ChemInform Abstract: Reaction of α‐Alkoxy‐ and α‐Piperidino‐α,β‐Unsaturated Aldehydes with Primary Amines.
Authors: KEIKO N. A. , RULEV A. YU. , KALIKHMAN I. D. , VORONKOV M. G.
Published: May 2016

The α‐substituted α,β‐unsaturated aldehydes (II) and (VI) react with the amines (I) to give the products (III) ‐ (V) or (VII).
ChemInform Abstract: Synthesis of 2‐Substituted 5‐(1‐Oxido‐4‐pyridyl)‐ and 5‐(1‐Oxido‐2‐pyridyl)‐1,3,4‐thiadiazole Derivatives by Substitution of 2‐Methylsulfonyl Group with Various Nucleophiles.
Authors: TOYOOKA K. , KAWASHIMA Y. , KUBOTA S.
Published: May 2016

The methylsulfonylthiadiazoles (I) react with various nucleophiles such as sodium ethoxide, thiophenol (III), aniline (V), and the anion of the malonates (VII) to yield the corresponding substitution compounds (II), (IV), (VI), and (VIII).
ChemInform Abstract: A New Method for Introducing the 2,2‐Dichloroethyl Group at the 3 Position of the 2‐Quinolone System, and the Synthesis of Dictamnine.
Authors: SATO M. , KAWAKAMI K. , KANEKO C.
Published: May 2016

Irradiation of the quinolones (I) in the presence of dichloroethylene (II) yields the cyclobutanes (III) which are converted to the bicyclobutanes (IV) on treatment with a strong base.
ChemInform Abstract: Reaction of Aromatic N‐Oxides with Dipolarophiles. Part 12. Stereoselective exo Cycloaddition of 3,5‐Lutidine N‐Oxide with N‐Substituted Maleimides and a Frontier Molecular Orbital and Mechanistic Study.
Authors: HISANO T. , HARANO K. , MATSUOKA T. , YAMADA H. , KURIHARA M.
Published: May 2016

Reaction of 3,5‐lutidine N‐oxide (I) with the maleimides (II) yields the thermally labile exo‐cycloadducts (III) which undergo 1,5‐sigmatropic rearrangement, forming the dihydropyridines (IV).
ChemInform Abstract: Synthesis of α‐Activated δ1‐Pyrroline and δ1‐Piperideine: 1,3‐Dipolar and Anionic Reactivities.
Authors: MKAIRI A. , HAMELIN J.
Published: May 2016

Methyl benzalglycinate (I) is coupled with the ketals (II), yielding the ketals (III) which are cyclized by hydrolysis to give the Δ1‐pyrroline and Δ1‐piperideine esters (IV).
ChemInform Abstract: 2H‐Pyrrolo(3,4‐b)pyridine and 2H‐Pyrrolo(3,4‐c)pyridine: Synthesis of the Parent Ring System and the Diels‐Alder Reaction.
Authors: TSAI C.‐Y. , SHA C.‐K.
Published: May 2016

3‐Di(ethoxycarbonyl)ethylidene‐2‐methylpyridine (I) is converted to the azide (IV) which undergoes intramolecular 1,3‐dipolar cycloaddition, forming the triazoline (V).
ChemInform Abstract: Synthesis of Functionalized Trifluoromethyl Substituted Formamidines.
Authors: GRUETZMACHER H. + , ROESKY H. W.
Published: May 2016

The oxazole derivatives (I) are reduced with sodium in liquid ammonia to yield the formamidine derivatives (II).
ChemInform Abstract: Transannular Reactions of Cycloalkenes, Cycloalkadienes, and Cycloalkatrienes. Part 14. Transannular Cyclizations of (E,E,E)‐Cyclododeca‐1,5,9‐triene on Methoxybromination.
Authors: HAUFE G.
Published: May 2016

Reduction of the triene (I) under the conditions indicated yields a mixture from which the main products (II)‐(V) and (VII) are isolated.
ChemInform Abstract: Preparation of Substituted Benzoyltrimethylsilanes and ‐germanes by the Reaction of Benzoyl Chlorides with Hexamethyldisilane or ‐digermane in the Presence of Palladium Complexes as Catalysts.
Authors: YAMAMOTO K. , HAYASHI A. , SUZUKI S. , TSUJI J.
Published: May 2016

The novel Pd catalyzed reaction of the acid chlorides (I) with hexamethyldisilane (II) affords the trimethylsilanes (III) in moderate to good yields.
ChemInform Abstract: A New Facile Method for the Dealkylation of Phosphonic and Phosphinic Acid Esters.
Authors: ISSLEIB K. , BALSZUWEIT A. , STIEBITZ B.
Published: May 2016

Reaction of the phosphinic and phosphonic acid esters (I) and (IV) with chlorotrimethylsilane (II) in the presence of catalytic amounts of NH4Cl and Hmds (generated in situ from NH3) affords the dealkylated esters (III) or (V).
ChemInform Abstract: Synthesis of C‐Silylated Phosphoranimines.
Authors: WETTERMARK U. G. , WISIAN‐NEILSON P. , SCHEIDE G. M. , NEILSON R. H.
Published: May 2016

Reaction of the phosphoranimine (I) with the chlorosilanes (II) affords the silylated phosphoranimines (III).
ChemInform Abstract: Synthesis and Complex Formation Properties of 1,5,8,12‐Tetrakis(dihydroxyphosphorylmethyl)‐1,5,8,12‐tetraazacyclotetradecane ‐ a New Cyclic Polydentate Organophosphorus Complexon.
Authors: PISAREVA S. A. , BEL'SKII F. I. , MEDVED' T. YA. , KABACHNIK M. I.
Published: May 2016

The phosphorus complexon (II) is prepared from cyclotetrapropylenetetramine (I), formaldehyde, and phosphorus acid.
ChemInform Abstract: Synthesis and Electrocyclic Ring Opening of 1,3,2λ3,4λ5‐Diazadiphosphetines.
Authors: BOESKE J. + , OCANDO‐MAVAREZ E. , NIECKE E. , MAJORAL J.‐P. , BERTRAND G.
Published: May 2016

Treatment of the diazadiphosphetidine (Ia) with CCl4 (III) at ‐60 °C leads to the open compound (IVa), which reacts to its adduct (VI) or dimerizes upon warm‐up to the product (VIIa).
ChemInform Abstract: Preparation and Vibrational Spectra of Some 2‐Alkoxy‐5,6‐benzo‐1,3,2dioxastibepines.
Authors: ARBUZOV B. A. , SHAGIDULLIN R. R. , VINOGRADOVA V. S. , MAREEV YU. M. , SHAKIROV I. KH. , FEDOTOVA N. R.
Published: May 2016

The title compounds (III) are prepared from phthalylalcohol (I) and the trialkoxyantimony compounds (II).
ChemInform Abstract: Reaction of Bis(hydroxymethyl)phenylphosphine Sulfide and Selenide with Dimethylformamide Dimethylacetal.
Authors: ARBUZOV B. A. , IONKIN A. S. , EFREMOV YU. YA. , ERASTOV O. A. , NEKHOROSHKOV V. M.
Published: May 2016

Bishydroxymethylphosphine sulfide (selenide) (I) reacts with the DMF acetal (II) to give the thio(seleno)phosphinate (III).
ChemInform Abstract: 1‐Phenyl‐4,4‐dimethyl‐1,4‐phosphasilacyclohexane and Its Selenide.
Authors: VORONKOV M. G. , KUDYAKOV N. M. , ALBANOV A. I. , VITKOVSKII V. YU.
Published: May 2016

The phosphasilacyclohexane (III) is obtained by the photochemically induced reaction of phenylphosphine (I) and divinyldimethylsilane (II).
ChemInform Abstract: Discrete Trinuclear Complexes of Niobium Related to the Local Structure in Nb3Cl8.
Authors: COTTON F. A. , DIEBOLD M. P. , ROTH W. J.
Published: May 2016

The reduction of the dimer (I) with sodium amalgam in the presence of the phosphine ligand yields the diamagnetic trinuclear complex (III) which contains the Nb3(μ3‐Cl) (μ‐Cl)3 core.
ChemInform Abstract: Synthesis and Solid State Structure of Bis(μ‐acetate)bis(p‐methylbenzyl)bis(trimethylphosphine)‐dimolybdenum (Mo.qplbond.Mo), Mo2(O2CCH3)2(CH2Ph‐p‐Me)2(PMe3)2.
Authors: BESHOURI S. M. , FANWICK P. E. , ROTHWELL I. P.
Published: May 2016

The isostructural complexes (IV) are prepared as shown.
ChemInform Abstract: Carbene Complexes in Organic Synthesis: A New Tungstacarbene‐Promoted Alkyne Insertion‐Olefin Cyclopropanation Reaction.
Authors: PARLIER A. , RUDLER H. , PLATZER N. , FONTANILLE M. , SOUM A.
Published: May 2016

The tungsten carbene complex (V) is prepared from W(CO)6 (I).
ChemInform Abstract: Reactions of (M(NO)(HB(3,5‐Me2C3N2H)3)X2) (M: Mo, X: I; M: W, X: Cl) with Some Amine‐Substituted Pyridines. The Molecular Structures of (M(NO)(HB(3,5‐Me2C3N2H)3)(2‐NHC5NH4)2).
Authors: AL OBAIDI N. , HAMOR T. A. , JONES C. J. , MCCLEVERTY J. A. , PAXTON K.
Published: May 2016

Dependent on the metal present in the starting compound and/or the reaction conditions different products are obtained from the title reactions.
ChemInform Abstract: Oxidative Addition of Carbon Dioxide, Epoxides, and Related Molecules to WCl2(PMePh2)4 Yielding Tungsten(IV) Oxo, Imido, and Sulfido Complexes. Crystal and Molecular Structure of W(O)Cl2(CO)(PMePh2)2.
Authors: BRYAN J. C. , GEIB S. J. , RHEINGOLD A. L. , MAYER J. M.
Published: May 2016

The reactions shown in the scheme represent a novel type of oxidative addition: a formal double bond is cleaved to form a divalent and a neutral ligand.
ChemInform Abstract: First Synthesis of Octahedral Tungsten Cluster Chloro Complexes with Trialkylphosphines and Their Conversion to η1‐Ethyl Derivatives.
Authors: SAITO T. , MANABE H. , YAMAGATA T. , IMOTO H.
Published: May 2016

The hexanuclear cluster chloro complexes (III) are prepared as shown and isolated by chromatography.
ChemInform Abstract: Tc(NX)Y3(Me2PhP)2 Complexes (X = O or S; Y = Cl or Br). Preparation, Characterization and EPR Studies.
Authors: ABRAM U. , KIRMSE R. , KOEHLER K. + , LORENZ B. , KADEN L.
Published: May 2016

Starting with the known chloro analoques (Ia,b) the bromo derivatives (Ic,d) are prepared by ligand exchange with 40% HBr.
ChemInform Abstract: Reaction of C‐H Bonds in Alkanes with Bis(diphosphine) Complexes of Iron.
Authors: BAKER M. V. , FIELD L. D.
Published: May 2016

The reactive intermediate Fe complex (II), generated by photochemical elimination of H2 from (I), reacts in pentane (III) solution at low temp. with a C‐H bond of (III) to form the pentyl derivative (IV) as major product.
ChemInform Abstract: Synthesis and X‐Ray Crystal Structure of (μ3‐COCH3)(μ2‐CH2)(Cp)(MeCp)Fe2Mn(CO)5, the First Carbyne‐Methylene Cluster. Carbon‐Carbon Coupling to Give a Methoxyvinyl Cluster.
Authors: FONG R. H. , HERSH W. H.
Published: May 2016

Starting with (I) the stepwise synthesis of a heterotrinuclear difunctional cluster (V) is carried out and the mild intramolecular cluster‐mediated carbon‐carbon bond formation via coupling of the methylene and carbyne ligands to give the methoxyvinyl compounds (VI) is demonstrated.
ChemInform Abstract: Properties and X‐Ray Structure of PPN+(cis‐HFe(CO)3P(OPh)3)‐: An Unexpected Structural Isomer.
Authors: ASH C. E. , KIM C. M. , DARENSBOURG M. Y. , RHEINGOLD A. L.
Published: May 2016

The preparation of the title compound (III) is carried out as shown and is the same synthesis as reported earlier for trans‐HFe(CO)3(PR3)‐ salts (R: ‐Et, ‐Me, ‐OMe).
ChemInform Abstract: Cobalt Chelates as Hydrogenation Catalysts. Part 5. The pH Dependence of the Benzil Hydrogenation with (Co(dpnH))+ as Catalyst in the Presence of Pyridine.
Authors: HELLER S. , KUSSEROW S. , HUETTNER U. + , BOEHMER W.‐H. + , STOLDT I. , MADEJA K.
Published: May 2016

The H2 uptake of (I) leads to (II) which is captured by benzil at pH < 7.2.
ChemInform Abstract: Synthesis of the Co2(NO)+ 3 Metallic Core Stabilized by Two Bridging Aminophosphines, with BPh‐ 4 as a Denitrosylating Reagent.
Authors: ROUSTAN J. L. , ANSARI N. , AHMED F. R.
Published: May 2016

Halide removal from the complex (III), prepared as shown by the reaction of the dimer (I) with the ligand (II), with AgBF4 yields the complex (IV) with two only P‐bonded ligands, whereas the use of NaBPh4 as halide abstractor forms the complex (V) with bridging ligands coordinated in a head to head fashion.
ChemInform Abstract: Transition Metal Phosphido Complexes. Part 12. Diphosphene Complexes (DRPE)Ni(η2‐(PR′)2) and the Structure of (DCPE)NiP(SiMe3)2.
Authors: SCHAEFER H. + , BINDER D. , DEPPISCH B. , MATTERN G.
Published: May 2016

The diphosphene complexes (IV), (VI) and (VIII) are prepared from the dichloro complexes (I).
ChemInform Abstract: Reaction of Bisarene, Cyclopentadienyl, and Carbonyl Compounds of Transition Metals with Polyatomic Alcohols.
Authors: SLUSHKOV A. M. , PETROV B. I. , DOMRACHEV G. A.
Published: May 2016

The bisarene complexes or metallocenes (I) react with the polyvalent alcohols (II) to give the alcoholates (III).
ChemInform Abstract: Chelation of Copper(II) Ions by Doxorubicin and 4′‐Epidoxorubicin: ESR Evidence for a New Complex at High Anthracycline/Copper Molar Ratios.
Authors: MALATESTA V. , GERVASINI A. , MORAZZONI F.
Published: May 2016

The title compounds (I) form chelate complexes with Cu2+, the structures of which are dependent on the drug‐to‐metal ratio.
ChemInform Abstract: Stereoselective Formation of Rhodium and Iridium Hydrides via Intramolecular Hydrogen Bonding.
Authors: FRYZUK M. D. , MACNEIL P. A. , RETTIG S. J.
Published: May 2016

The formally 16‐electron methyl‐halide complexes (I) react with dihydrogen to generate octahedral amine‐hydride complexes with similar stereochemistries.
ChemInform Abstract: A New Method for the Preparation of γ‐Hydroxy Ketones: A Formal Total Synthesis of (.+‐.)‐Lanceol.
Authors: FUJI K. , NODE M. , USAMI Y. , KIRYU Y.
Published: May 2016

Acylation of the oxathiane dioxides (I) forms the unstable β‐keto sulfones (III) which are cleaved on treatment with silica gel, producing the γ‐hydroxy ketones (IV).
ChemInform Abstract: On Steroids. Part 330. Alternative Syntheses of 2α,3α,17β‐Trihydroxy‐7‐oxa‐B‐homo‐5α‐androstan‐6‐one and Some Androstane Brassinolide Analogs.
Authors: KOHOUT L. , CERNY V. , STRNAD M.
Published: May 2016

The title compound (VIc) is synthesized starting from the steroids (I) or (III) via the alkene (II).
ChemInform Abstract: Asymmetric Syntheses via Heterocyclic Intermediates. Part 34. Asymmetric Synthesis of α‐Amino‐γ‐nitrocarboxylic Esters by the Bislactim Ether Method.
Authors: SCHOELLKOPF U. + , KUEHNLE W. + , EGERT E. , DYRBUSCH M.
Published: May 2016

Metalation of the ether (S)‐(I) followed by reaction with the alkenes (II) yields the products (III) with 97‐99% stereoselectivity.
ChemInform Abstract: Catalytic Asymmetric Synthesis of Dipeptides Using 2‐Trifluoromethylδ2‐ and 2‐Trifluoromethyl‐δ3‐oxazolin‐5‐ones.
Authors: BITIEV SH. G. , CHEL'TSOVA G. V. , LUTSENKO M. R. , KARPEISKAYA E. I. , KLABUNOVSKII E. I.
Published: May 2016

The reductive aminolysis of the Δ2‐oxazoline (I) with the amino acids (S)‐(II) gives the dipeptides (III) with an excess of the (RS)‐diastereomer.
ChemInform Abstract: The Allyl Group for Protection in Carbohydrate Chemistry. Part 19. The Coupling of Allyl 2,3‐Di‐O‐methyl‐4‐O‐(3,6‐di‐O‐methyl‐β‐D‐glucopyranosyl)‐α‐L‐rhamnop# yranoside to Bovine Serum Albumin. Preparation of a Diagnostic Reagent for Antibodies to the Major Glycolipid of Mycobacterium leprae (the Leprosy Bacillus) in Human Sera.
Authors: GIGG J. , GIGG R. , PAYNE S. , CONANT R.
Published: May 2016

The known benzyl ether (Ia) is converted to the target aldehyde (Ie) via the intermediates (Ib)‐(Id).
ChemInform Abstract: Syntheses of Diamino‐dideoxylyxose Derivatives Using Acylnitroso Dienophiles.
Authors: DEFOIN A. , FRITZ H. , SCHMIDLIN C. , STREITH J.
Published: May 2016

N‐Acylnitroso derivatives (III), which are prepared by in situ oxidation of the corresponding hydroxamic acids (I), react instantaneously and in high yields with the dihydropyridine (II) to give the products (Va)‐(Vc) or mixtures of the regioisomers (IVd)/(Vd)‐(IVf)/(Vf).
ChemInform Abstract: 1,2‐Asymmetric Induction in Intramolecular Michael Reaction. A Novel and Enantioselective Route to (+)‐Geissman Lactone.
Authors: SHISHIDO K. , SUKEGAWA Y. , FUKUMOTO K. , KAMETANI T.
Published: May 2016

The cyclization of the carbamate (I), derived from L‐(+)‐diethyl tartrate in a 7‐step route, gives the hemiacetal (II).
ChemInform Abstract: DNA, Light, and Dewar Pyrimidinones: The Structure and Biological Significance of TpT3.
Authors: TAYLOR J.‐S. , COHRS M. P.
Published: May 2016

The title compound TpT3 (I) can be produced in quantitative yield by direct photolysis of TpT with biologically relevant wavelengths of light.
ChemInform Abstract: Chiral Synthesis of Isocarbacyclin ((+)‐9(0)‐Methano‐δ6(9α)‐PGI1) Intermediate via Rhodium(II)‐Catalyzed Intramolecular C‐H Insertion Reaction.
Authors: HASHIMOTO S. , SHINODA T. , SHIMADA Y. , HONDA T. , IKEGAMI S.
Published: May 2016

The title compound (IV) is prepared from the cyclopentanoneacetate (I).
ChemInform Abstract: Synthesis of (14R)‐ and (14S)‐14‐De(hydroxymethyl)‐14‐hydroxymycaminosyl Tylonolides.
Authors: SAKAMOTO S. , TSUCHIYA T. , UMEZAWA S. , UMEZAWA H.
Published: May 2016

The synthesis of the title compounds (IVa) and (IVb) starts from the compound (Ia) which is conveniently prepared from a known mycaminosyl tylonolide diethyl acetal.
ChemInform Abstract: Studies on the Synthesis of the Antitumor Agent CC‐1065: Synthesis of PDE I (XIIIa) and PDE II (XIIIb), Inhibitors of Cyclic Adenosine‐3′,5′‐monophosphate Phosphodiesterase Using the 3,3′‐Bipyrrole Strategy.
Authors: CARTER P. , FITZJOHN S. , HALAZY S. , MAGNUS P.
Published: May 2016

Using reaction conditions first investigated for model compounds, the aldehyde (I), readily available from methyl pyrrole‐2‐carboxylate, is transformed to the title compounds (XIII).
ChemInform Abstract: Total Synthesis of Amphotericin B (X).
Authors: NICOLAOU K. C. , DAINES R. A. , CHAKRABORTY T. K. , OGAWA Y.
Published: May 2016

The synthon (VII) is prepared in a highly efficient and stereocontrolled manner starting from the readily available glucose derivative (I).
ChemInform Abstract: Synthesis of Optically Active β‐Keto‐γ‐butyrolactones Having a Trifluoromethyl Group.
Authors: KITAZUME T.
Published: May 2016

The optically active cyanohydrins (+)‐(II) and (‐)‐(II) of trifluoroacetaldehyde are prepared by asymmetric hydrolysis of the corresponding acetate (I).
ChemInform Abstract: Microbial Approaches to Optically Active Sulfur‐Containing Fluorinated Compounds.
Authors: YAMAZAKI T. , ASAI M. , OHNOGI T. , LIN J. T. , KITAZUME T.
Published: May 2016

Starting with the fluoroacetates (I) and the thio derivatives (II), the ketones (III) and the acetylated compounds (IV) are synthesized as shown in the reaction scheme.
ChemInform Abstract: The Synthesis of Optically Active Building Blocks Carrying a Monofluoromethyl Group.
Authors: KITAZUME T. , ASAI M. , LIN J. T. , YAMAZAKI T.
Published: May 2016

The optically active fluoroethanol derivatives (V) are synthesized using the method shown in the reaction scheme.
ChemInform Abstract: Rapid Thermal Annealed Low Pressure Chemical‐Vapor‐Deposited SiO2 as Gate Dielectric in Silicon MOSFET′s.
Authors: ANG S. , WILSON S.
Published: May 2016

A low temp., low cost, and high volume manufacturing technique yielding device quality SiO2 has been developed using an appropriate combination of low pressure chemical vapor deposition (LPCVD) in a vertical dome reactor at 420 °C and rapid thermal annealing (1000 °C, 60 s).
ChemInform Abstract: Electronic States and Geometries of Small Be Clusters,
Authors: MARINO M. M. , ERMLER W. C.
Published: May 2016

Ben with n = 3‐7 (emphasis on Be4) have been accurately determined by systematic ab initio calculations at several levels of theory.
ChemInform Abstract: Reaction of Silicon Ion (2P) with Silane (SiH4, SiD4). Heats of Formation of SiHn, SiH+ n (n = 1, 2, 3), and Si2H+ n (n = 0, 1, 2, 3). Remarkable Isotope Exchange Reaction Involving Four Hydrogen Shifts.
Authors: BOO B. H. , ARMENTROUT P. B.
Published: May 2016

The Si+/SiH4 reaction has been investigated as a function of relative kinetic energy by using a guided ion beam tandem mass spectrometer.
ChemInform Abstract: Extended X‐Ray Absorption Fine Structure (EXAFS) Studies of a Soluble Chevrel Phase
Authors: HOLTMAN D. A. , TEO B. K. , TARASCON J. M. , AVERILL B. A.
Published: May 2016

, Li2Mo6Se6 (I), dissolved in propylene carbonate.
ChemInform Abstract: A New Modification of LaYO3
Authors: YAMAGUCHI O. , KAWABATA H. , HASHIMOTO H. , SHIMIZU K.
Published: May 2016

crystallizes between 750 and 1000 °C from an amorphous material prepared by simultaneous hydrolysis of La and Y ethoxides.
ChemInform Abstract: The Hydrogen Embrittlement Susceptibility of Ni60Nb40‐xAlx Amorphous Alloys
Authors: MISRA R. D. K. , AKHTAR D.
Published: May 2016

with x = 0, 2.5, 5, and 10 are studied on cathodic charging in H2SO4 solution.
ChemInform Abstract: Applications of Two‐Photon Spectroscopy to Inorganic Compounds. Part 1. Spectrum and Electronic Structure of Cs2UO2Cl4.
Authors: BARKER T. J. , DENNING R. G. , THORNE J. R. G.
Published: May 2016

The two‐photon absorption spectrum of the title compound (obtained at 4.2 K) is much more highly resolved than its single‐photon spectrum and clearly reveals the electronic origin transitions for 13 of the excited states present below 33000 cm‐1.
ChemInform Abstract: A Study by Solid‐State NMR of 133Cs and 1H of a Hydrated and Dehydrated Cesium Mordenite
Authors: CHU P.‐J. , GERSTEIN B. C. , NUNAN J. , KLIER K.
Published: May 2016

has been performed in order to determine the utility of 133Cs as a nucleus to monitor local chemistry in zeolites and the applicability of 133Cs NMR for the investigation of processes occurring in zeolitic catalysts.
ChemInform Abstract: Chemiluminescent Reactions of Fluorine Atoms with Inorganic Iodides in the Gas Phase
Authors: RAYBONE D. , WATKINSON T. M. , WHITEHEAD J. C.
Published: May 2016

have been studied at reduced pressures (0.6‐0.8 mbar).
ChemInform Abstract: Synthesis and Physical‐Chemical Properties of Ternary Compounds of the GeTe‐Sb2Te3 System.
Authors: SKOROPANOV A. S. , SKUMS V. F. , AL'FER S. A. , GUSEV E. A. , VECHER A. A.
Published: May 2016

The conditions of the synthesis of the ternary intermetallic compounds (I)‐(III) are reported in detail and their standard enthalpies of formation, heat capacities, temp., heats, entropies and types of melting as well as thermal expansions and the influence of solid phase pressures on the electric resistance are determined.
ChemInform Abstract: Addition Reactions of 2‐Substituted 1‐Arenesulfonylaziridines.
Authors: MARKOV V. I. , DANILEIKO D. A. , DOROSHENKO V. A.
Published: May 2016

The sulfonylaziridines (Ia) and (Id) are coupled with reagents containing a thiocarbonyl group, giving the thiazolidines (II) and (III).
ChemInform Abstract: Heterocyclic Acceptors in Diastereoselective Palladium Mediated (3 + 2) Cycloadditions.
Authors: TROST B. M. , KING S. A. , NANNINGA T. N.
Published: May 2016

The 2‐hydroxyalkylfurans (I) and perphthalic acid (II) react in the presence of the ortho ester (III) and tert‐butyldimethylsilyl chloride (IV) to give the oxacyclohexenones (V).
ChemInform Abstract: Silyl‐Substituted Thioimidates as Nitrile Ylide Equivalents.
Authors: PADWA A. , GASDASKA J. R. , HAFFMANNS G. , REBELLO H.
Published: May 2016

Treatment of the silyl‐substituted thioimidate (VII), which is synthesized from the azide (I) as shown in the reaction scheme, with silver fluoride in the presence of trapping agents such as (VIII), (XI), and (XIV) produces the dipolar cycloadducts (IX) and (X), (XII) and (XIII), or (XV) and (XVI).
ChemInform Abstract: Asymmetric (2,3)‐Wittig Rearrangement Involving a Chiral Ester Enolate Terminus. A Chiral Synthesis of erythro‐α‐Hydroxy‐β‐alkyl Carboxylic Acid Derivatives.
Authors: TAKAHASHI O. , MIKAMI K. , NAKAI T.
Published: May 2016

Asymmetric Wittig rearrangement of the optically active alkenyloxyacetates (I) yields predominantly the erythro‐derivatives (III), together with the threo‐carboxylates (IV).
ChemInform Abstract: Experimental Studies of the Kinetics of Association Reactions Between Neutral Molecules and Carbene Cations.
Authors: BOHME D. K. , DHEANDHANOO S. , WLODEK S. , RAKSIT A. B.
Published: May 2016

The structures of the adducts, which are obtained from the title reaction of (I), C5H+, C2N+ and (V) with CO or H2, HCN, MeCN, (VII), (VIII) are discussed.
ChemInform Abstract: Reduction of Heterocycles with Nickel‐Aluminum Alloy.
Authors: LUNN G.
Published: May 2016

Heterocycles such as the pyrazines (I), the pyridazines (III), the isoxazole (V), and the indole (VII) are reduced by nickel‐aluminum alloy to give the corresponding fully hydrogenated products.
ChemInform Abstract: Homogeneous and Heterogeneous Catalytic Asymmetric Reactions. Part 1. Asymmetric Hydrogenation of the Prochiral C=C Bond on a Modified Raney Ni Catalyst.
Authors: BARTOK M. , WITTMANN G. , GOENDOES G. + , SMITH G. V.
Published: May 2016

The asymmetric hydrogenation of the prochiral double bond in α‐phenylcinnamic acid derivatives such as (I) on a modified Raney Ni catalyst is investigated.
ChemInform Abstract: Synthesis of Some New Substituted Mercaptotriazoles and Thiazolidones and Their Monoamine Oxidase Inhibitory and Anticonvulsant Properties.
Authors: HUSAIN M. I. , AMIR M. , SINGH E.
Published: May 2016

Title compounds of type (V) and (VII) (no yields given) are synthesized as shown and screened for their gross behavioral effects, and anticonvulsant and monoamine oxidase activity.
ChemInform Abstract: Synthesis of Leaf Alcohol from Methyl Sorbate.
Authors: VASIL'EV A. A. , PODDUBNAYA G. V. , CHERKAEV G. V. , NOVIKOV N. A. , CHERKAEV V. G.
Published: May 2016

Reduction of methyl sorbate (I) with lithium aluminum hydride gives sorbic alcohol (II) which is subsequently hydrogenated in the presence of chromium hexacarbonyl, producing leaf alcohol (III).
ChemInform Abstract: A Convenient Synthesis of C‐Unsubstituted and C‐Monoalkylated Ketenimines by Dehydrocyanation of Imidoyl Cyanides Using Vacuum Gas‐Solid Reactions.
Authors: DE CORTE B. , DENIS J.‐M. , DE KIMPE N.
Published: May 2016

The α‐aminonitriles (III), prepared from (I) and (II) by Strecker synthesis, are converted into the corresponding iminonitriles (IV) by chlorination and subsequent dehydrochlorination.
ChemInform Abstract: Cyclopropanation of Electrophilic Alkenes with Nitroalkanes in the Presence of Alumina‐Supported Potassium Fluoride.
Authors: MELOT J.‐M. , TEXIER‐BOULLET F. , FOUCAUD A.
Published: May 2016

Alumina‐supported potassium fluoride is an efficient catalyst for the two‐step synthesis of the cyclopropane derivatives (III) from the nitroalkenes (I) and the electrophilic olefins (II).
ChemInform Abstract: Isolation of the Strained Bridgehead Enol Ether of a Bicyclo(3.3.1)nonan‐2‐one System.
Authors: WAKAMATSU K. , TAN H. , BAN N. , UCHIYAMA N. , NIWA H. , YAMADA K.
Published: May 2016

The bicyclic ketone (Ia) reacts with trimethylchlorosilane (II) after lithiation to give the bridgehead substitution product (Ib).
ChemInform Abstract: Simple and Stereocontrolled Preparation of Optically Pure E‐ and Z‐1‐Alkenyl p‐Tolyl Sulfoxides via 1‐Alkynyl p‐Tolyl Sulfoxides.
Authors: KOSUGI H. , KITAOKA M. , TAGAMI K. , TAKAHASHI A. , UDA H.
Published: May 2016

The alkynylmagnesium bromides prepared from (II) react selectively with the sulfinate (I) to produce the chiral sulfoxides (III).
ChemInform Abstract: A Simple and Improved Procedure for the Conversion of Alkynes to 1,2‐Diketones by Indirect Electrooxidation with Ruthenium Tetroxide as a Mediator.
Authors: TORII S. , INOKUCHI T. , HIRATA Y.
Published: May 2016

The 1,2‐diketones (II) are obtained by ruthenium tetroxide mediated electrooxidation of the alkynes (I) in a two phase system consisting of a saturated aqueous sodium chloride solution and carbon tetrachloride.
ChemInform Abstract: Regioselective Photoallylation of Furyl and Thienyldicyanoethenes by Allylic Stannanes via Photoinduced Electron Transfer.
Authors: MIZUNO K. , TODA S. , OTSUJI Y.
Published: May 2016

The furyl and thienyldicyanoethenes (I) are irradiated together with the allylic tin compounds (II) in the presence of phenanthrene in aqueous acetonitrile to produce the adducts (III).
ChemInform Abstract: Synthesis and Biological Activity of Mercaptothiolcarboxylic Acids and Their Cyclic Analogues.
Authors: LISINA N. I. , VASIL'EVA T. P. , BYSTROVA V. M. , KIL'DISHEVA O. V. , CHERNOV G. A.
Published: May 2016

Reaction of the β‐propiothiolactones (I) with hydrogen sulfide gives the β‐mercaptothiolcarboxylic acids (IIa) ‐ (IIc).
ChemInform Abstract: Synthesis and Structure of Some Peri‐Substituted 2,4,6,8‐Tetraazabicyclo(3.3.0)octanes.
Authors: KOPPES W. M. , CHAYKOVSKY M. , ADOLPH H. G. , GILARDI R. , GEORGE C.
Published: May 2016

Coupling of the imidazolidine (Ib), derived from (Ia) by acetylation, with methylenebisacetamide (II) gives the bicyclic compound (III).
ChemInform Abstract: Synthetic Methods. Part 24. α‐Bromination of Aldoximes. A Route to Fused Azetidines.
Authors: HASSNER A. , MURTHY K.
Published: May 2016

The O‐Silylated aldoximes (II) are smoothly α‐brominated with NBS to produce (III).
ChemInform Abstract: Synthesis and Calcium Channel Antagonist Activity of Dialkyl 4‐(Dihydropyridinyl)‐1,4‐dihydro‐2,6‐dimethyl‐3,5‐pyridinedicarboxylates.
Authors: DAGNINO L. , LI‐KWONG KEN M. C. , WYNN H. , WOLOWYK M. W. , TRIGGLE C. R. , KNAUS E. E.
Published: May 2016

Reduction of the dihydropyridinylpyridines (I) and (V) with sodium borohydride and subsequent treatment with the chloroformates (II) yield the carbamates (III) and (IV) or (VI).
ChemInform Abstract: Regioselective Functionalization of Pyridinesulfonic Acids. Ortho‐Lithiation of Tertiary 2‐ and 4‐Pyridinesulfonamides.
Authors: MARSAIS F. , CRONNIER A. , TRECOURT F. , QUEGUINER G.
Published: May 2016

The pyridinesulfonamides (I) and (IV) react with lithium diisopropylamide regioselectively to give the ortho‐lithiated products.
ChemInform Abstract: Synthesis of 6‐Substituted β‐Carbolines that Behave as Benzodiazepine Receptor Antagonists or Inverse Agonists.
Authors: HAGEN T. J. , SKOLNICK P. , COOK J. M.
Published: May 2016

Borohydride reduction of the methyl ester (Ia), prepared from the corresponding primary amine by reductive benzylation, gives the alcohol (Ib).
ChemInform Abstract: Iminium Ion‐Mediated Cyclizations of 4‐Aryl‐1,4‐dihydropyridines. Regio‐ and Stereoselectivity in Intermolecular Reactions.
Authors: HARTMAN G. D. , PHILLIPS B. T. , HALCZENKO W. , SPRINGER J. P. , HIRSHFIELD J.
Published: May 2016

Reaction of the dihydropyridine (I) with Lewis acids produces an iminium ion as the reactive intermediate which can be trapped by the olefines (II).
ChemInform Abstract: Heterocycles. Part 11. Synthesis of Substituted Benzo(h)quinazolines.
Authors: EL‐RAYYES N. R. , AL‐SALEH B. , AL‐OMRAN F.
Published: May 2016

Reaction of the tetralones (I) with benzamidine (II) and guanidine hydrochloride (IV) yields title compounds of type (III) and (IV), respectively.
ChemInform Abstract: Synthesis of 2‐Alkylthioquinazolones‐4.
Authors: YUN L. M. , YANGIBAEV S. , SHAKHIDOYATOV KH. M. , ALEKSEEVA V. YA. , V'YUNOV K. A.
Published: May 2016

The title compounds (III) are synthesized from the thioxoquinazolone (I) and the alkylating agents (II).