bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Photochemistry of CpFe(arene)+ Complexes. A Flash Photochemical Study.
Authors: RONCO S. , FERRAUDI G. , ROMAN E. , HERNANDEZ S.
Published: May 2016

The flash irradiation of the complexes (I) occurs with decomposition of the Fe(II)‐arene complex and formation of ferrocene.
ChemInform Abstract: α‐Heteroatom‐Substituted Nitrones. Synthesis and Reactions of Acyclic α‐Alkoxynitrones.
Authors: WARSHAW J. A. , GALLIS D. E. , ACKEN B. J. , GONZALEZ O. J. , CRIST D. R.
Published: May 2016

Alkylation of the hydroxamic acids (I) with the alkyl triflates (II) forms the nitrone hydrotriflates (III) which are deprotonated upon work‐up to give the unstable nitrones (IV).
ChemInform Abstract: Mediated Electrochemical Synthesis of Aromatic Aldehydes, Ketones, and Quinones Using Ceric Methanesulfonate.
Authors: KREH R. P. , SPOTNITZ R. M. , LUNDQUIST J. T.
Published: May 2016

Electrochemically generated ceric methanesulfonate oxidizes alkylbenzenes such as (I) and (III) to form the aldehydes (II) or the ketone (IV).
ChemInform Abstract: Oxidation of Alcohols by Metallic Nitrates Supported on Silica Gel.
Authors: NISHIGUCHI T. , ASANO F.
Published: May 2016

Oxidation of the secondary alcohols (I) and (III) and the primary benzylic alcohols (V), yielding the ketones (II) and (IV) or the aldehydes (VI), is performed with several metallic nitrates supported on silica gel.
ChemInform Abstract: Regioselectivity in the Novel Conversion of an Aromatic C‐F Bond into a C‐H Bond via an Organonickel Intermediate.
Authors: PARK S. , ROUNDHILL D. M.
Published: May 2016

An unusual and unexpected C‐F cleavage is observed on the fusion reaction between bromopentafluorobenzene (I), PPh3 (II), and NiBr2 (III) (ratio 2:1:0.5) followed by hydrolysis in an open vessel producing the phosphonium salt (V).
ChemInform Abstract: Aliphatic Sulfonation. Part 3. Reactions of Adamantylidenealkanes and Cyclopropylidenealkanes with Sulfur Trioxide.
Authors: BAKKER B. H. , CERFONTAIN H. , TOMASSEN H. P. M.
Published: May 2016

The reactions of the adamantylidenealkanes (I) with sulfur trioxide (II) are studied by means of 1H NMR spectroscopy under various conditions.
ChemInform Abstract: Palladium‐Catalyzed Furylation and Thienylation of Activated Alkenes with 2‐Furoyl Chloride and 2‐Thenoyl Chloride.
Authors: KASAHARA A. , IZUMI T. , OGIHARA T.
Published: May 2016

The acid chlorides (I) or (VI) react with respective activated alkenes (II) in the presence of Pd(O‐Ac)2 and a tert. amine to give the E‐configurated products (III) or (VII) whereas E/Z mixtures (V) or (VIII) are obtained from the reaction of (I) or (VI) with acrylonitrile (IV).
ChemInform Abstract: Convenient Large Scale Preparation of 5‐Methyl‐ and 4‐Nitro‐2‐iodosobenzoic and of 4‐Nitro‐2‐iodoxybenzoic Acids.
Authors: KATRITZKY A. R. , SAVAGE G. P. , GALLOS J. K. , DURST H. D.
Published: May 2016

The anthranilic acids (I) are converted to the iodoarenes (II) via diazotization and heating with potassium iodide.
ChemInform Abstract: A Facile Synthesis of Benzyl Isothiocyanates by Use of 18‐Crown‐6 Ether.
Authors: MUTHUSAMY S. , RAMAKRISHNAN V. T.
Published: May 2016

The reaction of the benzylic halides (I) with potassium thiocyanate (II) in the presence of a crown ether at 180°C (in refluxing o‐dichlorobenzene) yields the isothiocyanates (III).
ChemInform Abstract: Novel Dimerization of Substituted 5‐Hydroxymethylpyrroles.
Authors: MUKHERJEE A. , SETH M. , BHADURI A. P.
Published: May 2016

Treatment of the alcohols (I) with either TosOH or PBr3 or MesCl gives the dimers (II) whereas hydrogenation of the oximes (IV) affords the dimers (V).
ChemInform Abstract: Nitrones and Oxaziridines. Part 40. Oxidation of 2H‐Pyrroles and 3‐Benzoyloxy‐1‐pyrrolines.
Authors: BLACK D. ST. C. , STRAUCH R. J.
Published: May 2016

Peracid oxidation of 2H‐pyrroles (I), (IV), and (VI) yields the respective 1‐oxides (II), (V), and (VII).
ChemInform Abstract: Studies on Enamides. Part 2. A Novel Photochemical Synthesis of 9H‐Indolo(3,2,1‐de)phenanthridin‐9‐one, a Benzcanthine Analogue.
Authors: GHOSH S. , DATTA D. B. , DATTA I. , DAS T. K.
Published: May 2016

Whereas irradiation of the 9‐aroylcarbazoles (I) and (IV) in methanol affords 3‐aroylcarbazoles as well, irradiation in non‐polar solvents such as benzene gives, in addition to carbazole (III), only 1‐aroylcarbazoles (cf.
ChemInform Abstract: Synthesis of Nitrogen‐Containing Heterocycles. Part 4. A Facile Route to New 1,2,4‐Triazole Derivatives.
Authors: MIYAMOTO Y. , YAMAZAKI C.
Published: May 2016

Previous studies had shown that analogues of (VI) prepared from aromatic carbonyl compounds undergo acid‐catalyzed cyclization to give triazole derivatives.
ChemInform Abstract: Reaction of 2,5‐Bis(trifluoromethyl)‐1,3,4‐oxadiazole with Hydrazine. The Synthesis of 4‐Amino‐3,5‐bis(trifluoromethyl)‐4H‐1,2,4‐triazole.
Authors: REITZ D. B. , FINKES M. J.
Published: May 2016

The oxadiazole (I) is cleaved with anhydrous hydrazine (II), yielding the hydrazonic acid hydrazide (III).
ChemInform Abstract: The Chemistry of N‐Substituted Benzotriazoles. Part 18. A Study of the Influence of Structure on the 1‐ to 2‐(N,N‐Dialkylaminoalkyl)benzotriazole Equilibrium.
Authors: KATRITZKY A. R. , YANNAKOPOULOU K.
Published: May 2016

Aminomethylation of the benzotriazoles (I) and (V) yields the 1‐aminoalkylbenzotriazoles (IV) and (VIII).
ChemInform Abstract: Benzopyrans. Part. 24. Nitrogen Heterocycles Fused with or Linked to 1‐Benzopyran from 2‐Methyl‐4‐oxo‐1‐benzopyran‐3‐carbonitrile and Corresponding Acid and Ester.
Authors: GHOSH C. K. , PAL C. , MAITI J. , BHATTACHARYYA A.
Published: May 2016

The chromones (III) are subjected to a series of nucleophilic substitution reactions.
ChemInform Abstract: Reactions of Phenylmagnesium Chloride and Phenyllithium with Thianthrene Cation Radical Perchlorate. Evidence for Electron Transfer: Formation and Decomposition of 5‐Substituted Thianthreniumyl Perchlorates.
Authors: BODUSZEK B. , SHINE H. J. , VENKATACHALAM T. K.
Published: May 2016

Reaction of the radical cation perchlorate (I) with phenylmagnesium chloride (II) gives mainly benzene (III), thianthrene (IV), and ‐ via electron transfer ‐ 5‐phenylthianthrene (Vc).
ChemInform Abstract: Pyrazolo(3,4‐d)pyrimidines Related to Lonidamine.
Authors: GATTA F. , LUCIANI M. , PALAZZO G.
Published: May 2016

The synthesis of several pyrazolopyrimidines and tricylic compounds such as those shown in the scheme is described.
ChemInform Abstract: Stereoselective Palladium‐Catalyzed Synthesis of Z‐Trimethyl(2‐arylethenyl)silanes by Arylation of E‐1,2‐Bis(trimethylsilyl)ethylene. Effects of Added Halides Compared to Silver Salts.
Authors: KARABELAS K. , HALLBERG A.
Published: May 2016

Palladium acetate‐catalyzed reaction of E‐1,2‐bis(trimethylsilyl)ethylene (I) with the aryl iodides (II) yields the Z‐olefines (III), together with the corresponding biaryls (IV) as the major by‐products.
ChemInform Abstract: (Mes2SbCu(PMe3)2)2, the First Cu(I) Antimonide.
Authors: COWLEY A. H. , JONES R. A. , NUNN C. M. , WESTMORELAND D. L.
Published: May 2016

The stable product (II) is the first stibane characterized by an X‐ray analysis (C2/c, Z=4).
ChemInform Abstract: An Octacopper(II) Complex with μ5‐Oxo and Tripodlike Perchlorate Ligands: Formation and X‐Ray Structure of the (Cu4(L)O(ClO4))2(ClO4)2·2 H2O Dimer.
Authors: MCKEE V. , TANDON S. S.
Published: May 2016

The octacopper complex (IV) (space group P1, Z=1) is obtained according to the scheme after dimerization during the recrystallization from DMF/methanol.
ChemInform Abstract: Preparation and Crystal Structure of the Unusual Double‐Helical Copper(I) Complex Bis(2,6‐bis(1‐methylbenzimidazol‐2‐yl)pyridine)dicopper(I) Naphthalene‐1,5‐disulfonate.
Authors: PIGUET C. , BERNARDINELLI G. , WILLIAMS A. F.
Published: May 2016

The title complex (III) (space group Cc, Z=4) is obtained according to the scheme and characterized by X‐ray structure analysis.
ChemInform Abstract: 5‐Arylazoniumuracil Dibromoaurates(I): X‐Ray Crystal Structure of Bis(6‐amino‐1,3‐dimethyl‐5‐phenylazoniumuracil) Dibromoaurate Monobromide Monohydrate, (DZH2)2(AuBr2)Br·H2O, and Growth Inhibition of HeLa Cells.
Authors: SUAREZ‐VARELA J. , LEGROS J.‐P. , GALY J. , COLACIO E. , RUIZ J. , LOPEZ‐GONZALEZ J. D. D. , LEON P. , PERONA R.
Published: May 2016

The aryldiazoniumuracil dibromoaurates(I) (IV) and (V) are prepared according to the scheme and characterized by elemental analysis, conductivity measurements, IR spectral data, and the X‐ray structure analysis of (Va) (space group P1, Z=2).
ChemInform Abstract: Rearrangement of Cyclobutenones to 2,5‐ and 2,6‐Dialkylated 1,4‐Benzoquinones. Synthesis of O‐Methylperezone and O‐Methylisoperezone.
Authors: PERRI S. T. , DYKE H. J. , MOORE H. W.
Published: May 2016

Treatment of dimethyl squarate (I) with 6‐lithio‐2‐methyl‐2‐heptene (II) yields the cyclobutenone (III) which is hydrolyzed and dehydrated with trifluoroacetic anhydride to give the cyclobutenedione (IV).
ChemInform Abstract: Catechoyl‐Dipeptides as Leucine Aminopeptidase Inhibitors.
Authors: NAKONIECZNA L. , PASTUSZAK J. J. , CHIMIAK A.
Published: May 2016

Several dihydroxybenzoyl dipeptides are prepared as new ligands able to interact with therapeutically important metalloproteases.
ChemInform Abstract: Benzylisoquinolines. Comparison of the Reactivity of the Methylene Group in 1‐Benzyl and 4‐Benzylisoquinolines.
Authors: VACCHER C. , BERTHELOT P. , DEVERGNIES M. , DEBAERT M. , BONTE J.‐P. , VIEL C.
Published: May 2016

In the course of attempts to prepare analogous derivatives of (I) and (II), some procedures previously employed for the derivatization of papaverine (I) turn out to be unsuccessful in the case of (II).
ChemInform Abstract: Isolation, Synthesis, and Absolute Configuration of Filberton ‐ The Active Principle of the Hazel Nut Aroma.
Authors: JAUCH J. , SCHMALZING D. , SCHURIG V. , EMBERGER R. , HOPP R. , KOEPSEL M. + , SILBERZAHN W. , WERKHOFF P.
Published: May 2016

The enol (IV) is obtained stereoselectively (total yield 20%) as shown in the scheme.
ChemInform Abstract: The Effect of Deposition Current Density on the Structure of Electrodeposited α‐PbO2.
Authors: CAMPBELL S. A. , PETER L. M.
Published: May 2016

In situ studies (laser interferometry, XRD) show the structure of electrodeposited (from ethanoate solution) α‐ PbO2 to be critically dependent upon the deposition current density.
ChemInform Abstract: Lamellar Inorganic Ion Exchangers. Alkali Metal Ion Exchange on α‐ and γ‐Titanium Phosphate.
Authors: LLAVONA R. , SUAREZ M. , GARCIA J. R. , RODRIGUEZ J.
Published: May 2016

While in α‐titanium phosphate (Ti(HPO4)2·H2O) only Li+ and Na+ exchange in acidic solution, in the γ‐titanium phosphate (Ti(HPO4)2·2 H2O) Li+, Na+, K+, and Cs+ exchange in acidic solution.
ChemInform Abstract: Synthesis and Structure of the Graphite Intercalation Compounds of Mercuric Chloride.
Authors: BEHRENS P. , ALIDOOSTI M. , SCHULZ F. , METZ W.
Published: May 2016

Graphite intercalation compounds of HgCl2 of stages 4, 3, and 2 can be obtained by four different procedures (i.e.
ChemInform Abstract: Carbohydrates as Chiral Templates: Stereoselective Synthesis of β‐Amino Acids.
Authors: KUNZ H. , SCHANZENBACH D.
Published: May 2016

The diastereoselective Mannich reaction (cf.
ChemInform Abstract: Changes of Selectivity in the Reactions of Substituted 4‐Nitrobenzyl Sulfonates with Nucleophilic Reagents.
Authors: DIETZE P. , JENCKS W. P.
Published: May 2016

The selectivity log (kN/kHOH) of a series of anionic nucleophiles such as halide ions, AcO‐, N3‐, SCN‐, and Ac‐NH‐O‐ toward the sulfonates (Ia) and (Ib) correlate with each other in MeCN/H2O (20:80), the slope of this correlation being 1.12.
ChemInform Abstract: Diels‐Alder Reactions of Chiral Acrylylurea Derivatives and Resolution of the Adducts. Convenient Synthesis of Optically Pure Methyl (3R,4R,6R)‐Bicyclo(2.2.1)heptene‐4‐carboxylate.
Authors: KISHIKAWA K. , YAMAMOTO M. , KOHMOTO S. , YAMADA K.
Published: May 2016

TiCl4‐mediated Diels‐Alder reaction of the acrylylureas (III), prepared by coupling the carbodiimide (II) with the acrylic acids (I), with the dienes (IV) gives the diastereomeric products (V) and (VI).
ChemInform Abstract: Catalytic Rearrangement of O,S‐Dialkyl Dithiocarbonates to S,S‐Dialkyl Dithiocarbonates by Pyridine N‐Oxides. The Reaction Mechanism.
Authors: HARANO K. , SHINOHARA I. , SUGIMOTO S. , MATSUOKA T. , HISANO T.
Published: May 2016

The xanthates (I) are treated with pyridine N‐oxide to produce a statistic mixture of the dithiocarbonates (II) ‐ (IV).
ChemInform Abstract: Reactions of an Allylic Sulfide (Ia), Sulfoxide (Ib), and Sulfone (Ic) with Singlet Oxygen. The Observation of a Remarkable Diastereoselective Oxidation.
Authors: CLENNAN E. L. , CHEN X.
Published: May 2016

Photooxidation of the sulfoxide (Ib) results in the formation of hydroperoxides (IIb) and (IIIb) (diastereomeric mixture 11:14; RS/SR configuration for the minor diastereomer and RR/SS configuration for the major one tentatively assigned); the ratios (IIb)/(IIIb) and of the diastereomers (IIIb) are invariant as a function of extent of reaction.
ChemInform Abstract: Photochemical Hydrogen Abstraction from Cymenes.
Authors: ALBINI A. , SULPIZIO A.
Published: May 2016

Photochemical reactions of the three isomeric cymenes (II), (IX), and (XVII) with 1,4‐naphthalenedicarbonitrile (I), trifluoroacetophenone (X), and benzophenone are investigated.
ChemInform Abstract: Studies of Reduction with Dimethoxyborane‐Transition Metal Salt Systems. Part 1. Reduction of Nitriles, Aldehydes, and Ketones with Dimethoxyborane‐Transition Metal Salt Systems.
Authors: NOSE A. , KUDO T.
Published: May 2016

The new dimethoxyborane/CoCl2 or NiCl2 reagent systems reduce the nitriles (I), aromatic aldehydes (III), ketones (V), and alkenes (VII) under mild conditions.
ChemInform Abstract: Reactions of Acetophenone with Alcohols Over Oxide Catalysts: Alkylation of Ketones by Alcohols.
Authors: GANESAN K. , PILLAI C. N.
Published: May 2016

In addition to the expected product (III) of dehydration products of alkylation (→ (IV) and (V)) are obtained in the presence of excess MeOH.
ChemInform Abstract: Alkylation of Allylic Derivatives. Part 14. Relationship of Double‐Bond Configuration Between Reactant and Product for Cross‐Coupling Reactions of Z‐Allylic Carboxylates with Organocopper Reagents.
Authors: UNDERINER T. L. , PAISLEY S. D. , SCHMITTER J. , LESHESKI L. , GOERING H. L.
Published: May 2016

The stereo‐ and regioselectivity of the coupling of allylic carboxylates such as (I) with cuprates such as (II) and (VII) are studied.
ChemInform Abstract: Electron‐Transfer‐Induced Rearrangements of Phenylated Tricyclo‐(4.2.0.02,5)octane and 1,5‐Cyclooctadiene.
Authors: HASEGAWA E. , MUKAI T. , YANAGI K.
Published: May 2016

Irradiation of 1,2‐diphenylcyclobutene (II), obtained by treatment of 1,2‐dibenzoylethane (I) with titanium tetrachloride and zinc powder, leads to the formation of the tetraphenyltricyclo(4.2.0.0)octane (III).
ChemInform Abstract: Model for Diastereomer Differentiation During 1,2‐Addition of Chiral (Racemic) Cyclopentenyl Organometallics to (4.2.0)Bicyclic Enones Carrying Exocyclic β,γ‐Double Bonds.
Authors: PAQUETTE L. A. , DERUSSY D. T. , GALLUCCI J. C.
Published: May 2016

The reaction of organocerium reagents such as (II) and (VI) with bicyclic ketones such as (I), (V), or (IX) are studied.
ChemInform Abstract: Potential GABAB Receptor Antagonists. Part 3. Folded Baclofen Analogues Based on Phthalide.
Authors: DONATI C. , PRAGER R. H. , WEBER B.
Published: May 2016

Possible analogues (VII) of baclofen (VIII) are prepared for evaluation as antispasticity agents.
ChemInform Abstract: The Treatment of Indoles with Trimethylhalosilanes and Sulfoxides.
Authors: BELLESIA F. , GHELFI F. , PAGNONI U. M. , PINETTI A.
Published: May 2016

Treatment of indoles such as (I) with the title reagent mixtures (II)/(III) leads to the sulfonium derivatives (IV) and/or the halo derivatives (V).
ChemInform Abstract: Synthesis and Oral Hypoglycemic Properties of Two 4‐Oxo‐4,5,6,7‐tetrahydroindole‐3‐acetic Acids.
Authors: NAGARAJAN K. , TALWALKER P. K. , GOUD A. N. , SHAH R. K. , SHENOY S. J.
Published: May 2016

The known laevulinic acid (I), prepared from dimedone and maleic acid, is cyclized with the butylamines (II), forming the tetrahydroindoleacetic acids (III) mentioned in the title.
ChemInform Abstract: Asymmetric Synthesis Using Chiral Acetals: Highly Diastereoselective Addition of Organocerium Reagents to Chiral α‐Aldoxime Ether Acetal.
Authors: FUJIOKA H. , FUJI M. , OKAICHI Y. , YOSHIDA T. , ANNOURA H. , KITA Y. , TAMURA Y.
Published: May 2016

The aldoxime (II), prepared from acetophenone (I) in a five‐step synthesis, reacts with the organocerium reagents (III) to produce stereoselectively the CC‐coupling products (IV).
ChemInform Abstract: S‐Alkylation of Camphorthione with Diazo Esters.
Authors: MCINTOSH J. M. , CASSIDY K. C. , SEEWALD P. A.
Published: May 2016

The camphorthione (I) reacts with the bromoacetates (II) to give the thioethers (III) which cyclize upon hydrolysis, forming the oxathiolanones (IV).
ChemInform Abstract: Synthesis of Optically Active Thiadecalins and Thiahydrindans by a Proline‐Catalyzed Intramolecular Michael Reaction.
Authors: KOZIKOWSKI A. P. , MUGRAGE B. B.
Published: May 2016

The thiahydrindanes (IV) and (V) and the thiadecaline (VIII) are prepared from the enones (I) and (VI) via epoxidation, regioselective oxirane cleavage with mercaptoacetone (II), dehydration, and subsequent cyclization in the presence of L‐proline.
ChemInform Abstract: Stereoregulation of the C(12b)H‐C(2)H Relationship in the Preparation of 2‐Substituted 1,2,3,4,6,7,12,12b‐Octahydroindolo(2,3‐a)quinolizines.
Authors: LOUNASMAA M. , JOKELA R.
Published: May 2016

The stereoregulation specified in the title, often effected by means of epimerization procedures which reduce the yield of the final product, can be accomplished by subjecting either N‐unsubstituted indoloquinolizines (I) or their Boc derivatives (III) to catalytic hydrogenation (the products (IV) are also prepared by an independent route).
ChemInform Abstract: Reaction of Anthranils with Enamines. Novel Synthesis of Quinolines.
Authors: OHTA K. , SHIMIZU H. , NOMURA Y.
Published: May 2016

The benzisoxazole (I) reacts with the enamines (II), forming the quinolines (IV).
ChemInform Abstract: Heterocyclic Quinones. Part 14. Pharmacomodulation in a Series of 11H‐Indolo(3,2‐c)quinolinediones: Synthesis and Cytotoxicity of 8‐Substituted 11H‐Indolo(3,2‐c)quinoline‐7,10‐diones.
Authors: HELISSEY P. , GIORGI‐RENAULT S. , RENAULT J. , CROS S.
Published: May 2016

Reaction of the quinolinone (II) with the hydrazine (I) yields the indoloquinoline (IIIa) which is methylated to give the N‐methyl derivative (IIIb).
ChemInform Abstract: Synthesis of 1,3‐Dioxin‐4‐ones and Their Use in Synthesis. Part 16. 4‐Oxo‐1,3‐dioxin‐5‐carboxylic Acids and Related Compounds: Versatile Synthetic Intermediates for the Synthesis of 6‐Unsubstituted Six‐Membered Heterocyclic Compounds.
Authors: SATO M. , KATAGIRI N. , TAKAYAMA K. , HIROSE M. , KANEKO C.
Published: May 2016

The 4‐oxo‐1,3‐dioxins (V) are prepared by cleavage of hydroxymethylene Meldrum's acid (I) with the alcohols (II) and subsequent cyclization of the dicarboxylic acid monoesters (III) with the ketones (IV).
ChemInform Abstract: Syntheses of Fluoroalkyl and Fluoroaryl Titanates.
Authors: YOSHINO N. , TOMITA J. , HIRAI H.
Published: May 2016

The fluoroalkyl titanates (I)‐(III) are prepared by reaction of TiCl4 with the corresponding fluorosubstituted alcohols in the presence of NH3 with yields between 46 and 89%.
ChemInform Abstract: An Alkylidene Complex of Vanadium: Synthesis and Structure of Cyclopentadienyl(bis(dimethylphosphino)ethane)(neopentylidene)vanadium(III).
Authors: HESSEN B. , MEETSMA A. , TEUBEN J. H.
Published: May 2016

The thermal decomposition of (I) in the presence of the chelating diphosphine (II) results in formation of the diamagnetic title complex (III), the first "Schrock"‐type alkylidene compound of vanadium.
ChemInform Abstract: Oxychloride Molybdenum(V) Complexes with Benzothiazoles.
Authors: LOZANO R. , ROMAN J. , RAGEL V. , RAMIREZ M. C.
Published: May 2016

The bis(benzothiazolylammonium) pentachloromolybdates (III), prepared from the hydrochlorides (I) and molybdenum pentachloride (II), are dehydrochlorinated upon refluxing in ethanol to form the monomeric complexes (IV), whereas heating of (III) in water produces the dinuclear dioxo‐bridged complexes (V).
ChemInform Abstract: Synthesis and Reactivity of Titanium/Cobalt Complexes with Ti‐O‐C‐Co Bridges.
Authors: MEROLA J. S. , CAMPO K. S. , GENTILE R. A.
Published: May 2016

In the course of investigating redox reactions between low‐valent group 4 metallocene complexes and other "later" transition‐metal carbonyls, the reactions of (I) and (VI) with (II) are studied under different conditions.
ChemInform Abstract: Ligand Oxidation in a Nickel Thiolate Complex.
Authors: KUMAR M. , DAY R. O. , COLPAS G. J. , MARONEY M. J.
Published: May 2016

The Ni complex (I) is prepared by reaction of Ni acetate with the NSS ligand in MeOH at 5 °C (yield 65%).
ChemInform Abstract: Synthesis, Interconversion, and Structural Characterization of the Closo and Nido Clusters ((p‐Cymene)3M3S2)2+ and ((p‐Cymene)3M3S2)0 (M: Ru, Os).
Authors: LOCKEMEYER J. R. , RAUCHFUSS T. B. , RHEINGOLD A. L.
Published: May 2016

The closo trigonal‐bipyramidal clusters (III) are prepared according to the scheme.
ChemInform Abstract: Biogenetic‐Type Transformation of 3‐Keto‐4,5‐epoxy‐eudesmanes: Synthesis of Cyperanes, Eremophilanes and Spirovetivanes.
Authors: CECCHERELLI P. , CURINI M. , MARCOTULLIO M. C. , ROSATI O.
Published: May 2016

On treatment with Lewis acid the title epoxides (I) and (III), both prepared from the costic acid ester (II), undergo rearrangements which reinforce the hypothesis that oxygenated eudesmanes are biogenetic precursors of several sesquiterpene skeletons.
ChemInform Abstract: Conversion of Parthenin to Epiallodamsin.
Authors: BHAT U. G. , KULKARNI M. M. , ROJATKAR S. R. , NAGASAMPAGI B. A.
Published: May 2016

During the attempted preparation of damsin (I) from parthenin (II), an intermediate step requires the protection of the α‐methylene group of anhydroparthenin (III) by dimethylamine.
ChemInform Abstract: The Coformation of Sesquiterpene Aldehydes and Lactones in Injured Fruit Bodies of Lactarius necator and L. circellatus. The Isolation of epi‐Piperalol.
Authors: STERNER O.
Published: May 2016

The pungency of the fruit bodies is caused by the enzymatic formation of unsaturated dialdehydes, e.g. velleral, when they are injured.
ChemInform Abstract: Synthesis of α‐ and β‐Nicotyrines. Use of Phenyl Vinyl Sulfoxide as a Masked Equivalent of Acetylene Dipolarophile.
Authors: MULLEN G. B. , GEORGIEV V. S.
Published: May 2016

The N‐oxides (III), prepared by coupling the acetylpyridines (I) with the hydroxylamine (II), react with phenyl vinyl sulfoxide (IV), yielding the nicotyrines (VII).
ChemInform Abstract: Novel Unsaturated Purine Nucleosides.
Authors: NAIR V. , LYONS A. G.
Published: May 2016

2‐Iodo‐6‐methoxypurine (I) is used as starting material for the preparation of the desired derivatives (III), (V), (VI).
ChemInform Abstract: Synthesis of 14‐Methylpentadecan‐3‐one and 2‐Methylheptadecane
Authors: KAD G. L. , GUPTA S.
Published: May 2016

(compound (VII), a constituent of Parthenium hysterophorous Linn.
ChemInform Abstract: Synthesis of Methyl Virensate.
Authors: PULGARIN C. , TABACCHI R.
Published: May 2016

Contrary to previous approaches, the CHO group of the title compound (IX) is introduced by direct formylation (V) → (VII) in the present work.
ChemInform Abstract: Simple and Condensed β‐Lactams. Part 10. Hydantoins, Thiohydantoins, Glycocyamidines. Part 45. Novel Semisynthetic Cephalosporins. Dithiohydantoin Derivatives for the Modification of the Side Chain in Position 3.
Authors: GOMBOS Z. , MIHOK M. , BORBELY‐MIHOK I. , ELEK S. , LEMPERT K. , NYITRAI J.
Published: May 2016

The S‐monoalkylated dimethyldithiohydantoins (IV) and (VI) are prepared starting from (I) by selective alkylation and dealkylation procedures.
ChemInform Abstract: Stereospecific Hydrolysis of Alkyl Esters by Antibodies.
Authors: POLLACK S. J. , HSIUN P. , SCHULTZ P. G.
Published: May 2016

Hapten (I) is synthesized as a roughly equimolar mixture of two diastereomers and coupled via its carboxylic acid to carrier protein keyhole limpet hemocyanin in order to elicit an immune response (Swiss Webster mice immunized with the KLH‐(I) conjugates).
ChemInform Abstract: Structure of a Diphosphate of Trivalent Molybdenum, RbMoP2O7.
Authors: RIOU D. , LECLAIRE A. , GRANDIN A. , RAVEAU B.
Published: May 2016

The title compound, crystals of which are synthesized from appropriate mixtures of (NH4)2HPO4, MoO3, and Rb2CO3 (1.
ChemInform Abstract: Contribution to the Ternary System Al‐Nb‐Ti.
Authors: KALTENBACH K. , GAMA S. , PINATTI D. G. , SCHULZE K. , HENIG E.‐T.
Published: May 2016

To clear up the phase relations in the title ternary system 22 binary and 35 ternary alloys are melted in an arc‐beam furnace with non‐consumable W electrode in a high‐purity Ar atmosphere.
ChemInform Abstract: Production of Fine Ceramic Powders from Chloromethylsilanes Using Pulsed Excimer Radiation.
Authors: O'NEILL J. A. , HORSBURGH M. , TANN J. , GRANT K. J. , PAUL G. L. , SINCLAIR W.
Published: May 2016

The photodecomposition of chloromethylsilanes by using pulsed UV excimer laser radiation (193 nm) is shown to be a promising route to synthesize fine ceramic powders.
ChemInform Abstract: Observation of Anion Spinning in the Dynamic 31P NMR Spectra of Fluorine‐Bridged SbF‐ 6, BF‐ 4, and PF‐ 6 Adducts of R3P(CO)3(NO)W+. Implications for Barriers to Ionization and the Formation of Ion Pairs and Free Ions in Methylene Chloride and Hexane Solution.
Authors: HONEYCHUCK R. V. , HERSH W. H.
Published: May 2016

Variable‐temp.
ChemInform Abstract: The Geometry of Reactive Intermediates by Nutation NMR Spectroscopy: The tert.‐Butyl Cation.
Authors: YANNONI C. S. , KENDRICK R. D. , MYHRE P. C. , BEBOUT D. C. , PETERSEN B. L.
Published: May 2016

The nutation NMR method measures the distance between two magnetic nuclei; thereby the framework geometry of the tBu+ cation is determined from experiments on ((CH3)213C‐13CH3)+ and ((13CH3)C‐CH3)+ (in SbF5, 77 K).
ChemInform Abstract: A Binuclear Ni(II) Complex with 2,2′:6′,2′′‐Terpyridine Exhibiting Ferromagnetic Exchange Coupling.
Authors: ROJO T. , CORTES R. , LEZAMA L. , MESA J. L. , VILLENEUVE G.
Published: May 2016

The magnetic properties of the title complex are reexamined.
ChemInform Abstract: Mercury(II) Halide Complexes of Tertiary Phosphines. Part 14. Structural Variations Within the Series Pr3P·HgX2 (X: Cl, Br, I).
Authors: BELL N. A. , MARCH L. A. , NOWELL I. W.
Published: May 2016

(Ia) and (III) crystallize in B21/a with Z=4, (Ib) and (II) in P21/c with Z=4.
ChemInform Abstract: The Crystal and Molecular Structure of the Trinuclear Complex Bis((μ‐S)‐α,α′‐((2‐mercapto‐5‐methylbenzene‐1,3‐diyl)di(methylid# yne)di(azino))bis(cyclohexanemethanol)ato(3‐))tripalladium(II), L2Pd3. A New Coordination Mode for the Robson‐Type Ligand L3‐.
Authors: HOSKINS B. F. , MCDONALD I. A. S.
Published: May 2016

The title complex (I) (space group P1 with Z=2) adopts a structure attributable to a coordination mode previously unobserved for complexes of the binucleating ligand.
ChemInform Abstract: Reactions with Aziridines. Part 47. Regiospecificity and Stereoselectivity of Acid‐Catalyzed Alcoholysis of cis‐2‐Benzyl‐3‐phenyl‐1‐phenylsulfonylaziridine.
Authors: STAMM H. , SPETH D.
Published: May 2016

Cleavage of the aziridine (I) by the alcohols (II) in the presence of sulfuric acid produces the diastereomeric ethers (III) and (IV) with strong predominance of the threo‐isomers (III).
ChemInform Abstract: Mercury‐Photosensitized Decomposition of β‐Butyrolactone.
Authors: YAMAMOTO S. , GOHDA R. , SUEISHI Y. , NISHIMURA N.
Published: May 2016

The product yields of the photolysis of (I) are independent of the lactone pressure but increase linearly with reaction time and light intensity.
ChemInform Abstract: Photodissociation of Cyclopentadienyliron(II) Arene Cations: Detection and Characterization of Reactive Intermediates by Means of Time‐Resolved Laser Spectroscopy.
Authors: CHRISOPE D. R. , PARK K. M. , SCHUSTER G. B.
Published: May 2016

Irradiation of the complexes (I)‐(III) in solutions containing benzonitrile leads to loss of the arene ligand and formation of tris‐nitrile complexes.
ChemInform Abstract: A Stereoselective Synthesis of Z‐1‐Iodo‐1‐alkenes.
Authors: STORK G. , ZHAO K.
Published: May 2016

The iodomethylphosphonium iodide (I) is employed in the Wittig olefination of the aldehydes (II) or (IV) and the ketone (VI) in the presence of sodium hexamethyldisilazide, yielding the target compounds (III), (V), or (VII).
ChemInform Abstract: Synthesis of Substituted Spiro(4.5)deca‐3,6,9‐triene‐2,8‐diones: An Expeditious Route to the Spiro(4.5)decane Terpene Skeleton.
Authors: HAACK R. A. , BECK K. R.
Published: May 2016

4‐Methoxyphenylacetyl chloride (I) reacts with the alkynes (II) in the presence of AlCl3 to give the spirocyclic diones (IV) via the postulated carbocationic intermediates (III).
ChemInform Abstract: Potential Antidepressants: 2‐(Phenylthio)aralkylamines.
Authors: JILEK J. , URBAN J. , TAUFMANN P. , HOLUBEK J. , DLABAC A. , VALCHAR M. , PROTIVA M.
Published: May 2016

Within a series of title compounds, the derivative (IIIa) is found to be a promising potential antidepressant.
ChemInform Abstract: Copper(I)‐ and Phase‐Transfer‐Catalyzed Allylic Substitution by Terminal Alkynes.
Authors: JEFFERY T.
Published: May 2016

The terminal alkynes (I) are coupled with methallyl chloride (II) in the presence of cuprous iodide and tetra‐n‐butylammonium chloride to give the enynes (III).
ChemInform Abstract: Reactivity of the Secondary Benzylic Grignard Reagent from 1‐Phenylethyl Chloride with Aldehydes and Ketones. More Evidence for the Rearrangement Mechanism in Benzyl Grignard Reactions.
Authors: BERNARDON C.
Published: May 2016

Phenethylmagnesium chloride (I) reacts with the aldehydes or ketones (II), forming mixtures of the trienic carbinols (III), the phenylethanols (IV), or the bisadducts (V).
ChemInform Abstract: Synthesis of Diazofluorene‐Based Reagents as Photoactivatable Membrane Probes.
Authors: LALA A. K. , DIXIT R. R.
Published: May 2016

The diazofluorenes (VI) and (VII) are prepared as outlined in the reaction scheme as models for fatty alcohols and acids in order to study membrane hydrophobic cores.
ChemInform Abstract: Synthesis of (‐)‐3‐Butyl‐4‐hydroxyphthalide.
Authors: OGAWA Y. , HOSAKA K. , CHIN M. , MITSUHASHI H.
Published: May 2016

Cyclocondensation of m‐methoxy‐benzaldehyde (I) with the diamine (II) yields the chiral aminal (III) which is coupled with valeraldehyde (IV) to give the lactol (V) after hydrolysis.
ChemInform Abstract: Ethyl 3‐Trifluoro‐2‐diazopropionate as a Potentially Useful CF3‐Containing Building Block: Preparation and (Rh(OAc)2)2‐Catalyzed Reaction with Nitriles.
Authors: SHI G. , XU Y.
Published: May 2016

Bamford‐Stevens reaction of the hydrazone (III), prepared by reaction of the keto ester (I) with the hydrazine (II), yields the diazo compound (IV).
ChemInform Abstract: Substitution Reactions of 2‐Benzenesulfonyl Cyclic Ethers with Carbon Nucleophiles.
Authors: BROWN D. S. , BRUNO M. , DAVENPORT R. J. , LEY S. V.
Published: May 2016

In order to demonstrate the versatility of sulfones as precursors of various cyclic ether derivatives, they are subjected to nucleophilic substitution reactions with aryl, vinyl and alkynyl organozinc compounds (cf.
ChemInform Abstract: Synthesis of 3‐(N,N‐Dimethylamino)‐2H‐1‐benzopyran‐2‐one.
Authors: HRNCIAR P. , GAPLOVSKY A. , DONOVALOVA J.
Published: May 2016

Reaction of salicylaldehyde (I) with the betaine (II) forms the 3‐dimethylamino‐2H‐1‐benzopyran‐2‐one (III), and not the indandione (IV) as described earlier.
ChemInform Abstract: Synthesis and Crystal, Molecular, and Electronic Structure of the Organosulfur π‐Electron‐Donor 2‐(Thiopyran‐4′‐ylidene)‐1,3‐dithiole.
Authors: SANDMAN D. J. , CEASAR G. P. , FISHER A. P. III , SCHRAMM E. , TITUS D. D. , BAKER A. D.
Published: May 2016

The title compound (V) (space group P21/c, Z=4) is prepared by the three‐step synthesis shown in the scheme.
ChemInform Abstract: Synthesis Methods. Part 30. A Route to Pyrrolizidines, Indolizidines, and Quinolizidines via Intramolecular Oxime Olefin Cycloadditions.
Authors: HASSNER A. , MAURYA R.
Published: May 2016

The N‐vinyl(or allyl)pyrrolidinyl(or piperidinyl) aldoximes (I) undergo ring closure thermolysis, forming the fused isoxazolidines (II).
ChemInform Abstract: Synthesis of Heterocyclic Compounds Isosterically Related to Pyrazolo‐(4,3‐c)quinolines as Benzodiazepine Receptor Ligands.
Authors: SHINDO H. , FUJISHITA T. , SASATANI T. , CHOMEI N. , TAKADA S.
Published: May 2016

Acid‐catalyzed cyclization of the hydrazinonicotinates (IV), prepared from ethyl 4‐chloronicotinate N‐oxide (I), yields the dihydropyrazolopyridinones (V).
ChemInform Abstract: Synthesis of Ethyl 4‐Oxo‐4H‐pyrimido(1′,2′:1,5)(1,2,4)triazolo(3,4‐b)benzoxazole‐3‐carboxylate and 5H‐Pyrido(3′′,2′′:5′,6′)pyrimido(1′,2′:1,5)‐(1,2,4)triazolo(3,4‐b)benzoxazole‐5‐one. Novel Heterocycles.
Authors: RAMALINGAM T. , MURTY M. S. R. , SATTUR P. B.
Published: May 2016

2‐Hydrazinobenzoxazole (I) reacts with cyanogen bromide (II) to give the aminotriazolobenzoxazole (III) which is coupled with diethyl ethoxymethylenemalonate (IV) to produce the enamino diester (V).
ChemInform Abstract: Synthesis of Pyrido(2,3‐d)pyrimidines with Trimethoprim Partial Structure.
Authors: TROSCHUETZ R. +
Published: May 2016

The imidic acid ester hydrochloride (I) reacts with ammonium acetate (II) to give the cyanopyridine (III).
ChemInform Abstract: Tribracchial Lariat Ethers, ′TriBLEs′, Based on 4,10,16‐Triaza‐18‐crown‐6: An Apparent Limit to Sidearm Contributions in Lariat Ether Molecules.
Authors: MILLER S. R. , CLEARY T. P. , TRAFTON J. E. , SMERAGLIA C. , GANDOUR R. D. , FRONCZEK F. R. , GOKEL G. W.
Published: May 2016

A new synthetic route to produce the triaza crown ether (VI) and the analysis of its X‐ray crystal structure are reported.
ChemInform Abstract: Dehydrogenative Coupling of Diarylsilanes.
Authors: CHANG L. S. , COREY J. Y.
Published: May 2016

The condensation of dihydrosilanes to disilanes and short‐chain oligomers in the presence of transition‐metal catalysts (ClRh(PPh3)3 or (π‐C5H5)2MMe2, M: Ti, Zr) is observed for the compounds (I) and (II).
ChemInform Abstract: Reaction of Diethoxyphosphorylsulfenyl Bromide with Diazoacetone.
Authors: TORGASHEVA N. A. , ISHMURATOV A. S. , KHASKIN B. A.
Published: May 2016

The phosphorylsulfenyl bromide (I) reacts with diazoacetone (II) under insertion of acetylcarbene and partial phosphoryl‐thiophosphoryl rearrangement to produce the phosphorothioates (III) and (IV) which are separated by chromatography.
ChemInform Abstract: Synthesis of Perhydro‐1,4‐selen(tellur)azines Containing a Sulfonamide Group.
Authors: LENDEL V. G. , SANI A. YU. , MIGALINA YU. YU. , PAK B. I. , BALOG I. M.
Published: May 2016

The bisallylsulfonamides (I) react with the selenium(tellurium)tetrahalides (II) to give the 1,1‐dihaloperhydroselen(tellur)azines (III) which lose halogen upon heating, producing the perhydroselen(tellur)azines (IV).
ChemInform Abstract: Alkoxytellurination of Olefins for the Preparation of Bis(β‐alkoxyalkyl) Ditellurides and (β‐Alkoxyalkyl)tellurium Trichlorides.
Authors: ENGMAN L.
Published: May 2016

Bis(β‐alkoxyalkyl) ditellurides such as (IV) (9 examples, table) are obtained as shown in the scheme.
ChemInform Abstract: Metallacyclic Metaloxycarbene Complexes from 1,2‐Didehydrobenzene Group 4 Metallocenes and Metal Carbonyls.
Authors: ERKER G. , DORF U. , LECHT R. , ASHBY M. T. , AULBACH M. , SCHLUND R. , KRUEGER C. + , MYNOTT R.
Published: May 2016

Thermally generated (η2‐1,2‐didehydrobenzene)zirconocenes and ‐titanocene react with hexacarbonyltungsten (II) or ‐molybdenum to give five‐membered metallacyclic zircon‐ and titanoxycarbene complexes of the type (III) as demonstrated for the examples (IIIa) and (IIIb).
ChemInform Abstract: Electron Transfer Catalyzed Substitution in Carbonyl Complexes. Part 5. Electron Transfer Autocatalytic Formation, Intramolecular Charge Transfer, and Qualitatively Different Solvatochromism of σ and π Transition‐Metal Carbonyl Complexes with Polynitrile Ligands.
Authors: OLBRICH‐DEUSSNER B. , KAIM W. , GROSS‐LANNERT R.
Published: May 2016

A series of mononuclear transition‐metal carbonyl complexes such as (I)‐(IV) (10 examples) with σ (end‐on) and with a π (side‐on) coordinated polycyano ligand are studied by cyclic voltammetry and electron absorption spectroscopy.
ChemInform Abstract: Reactivity of Metal(0) Dithiocarbamato Carbonyl Complex (M(CO)4(S2CNEt2))‐ (M: Mo, W): A New Synthesis and Structure of a Mixed‐Metal Mo‐W‐S Complex (Et4N)2((OC)4MoS2WS2).
Authors: ZHUANG B. , YU P. , HUANG L. , LU J.
Published: May 2016

The title complex (III) is obtained by the 1:1 molar reaction shown in the scheme.
ChemInform Abstract: Low‐Valent Oxo Compounds. Part 8. Synthesis and Reactivity of Rhenium(I) Tris(acetylene) Complexes ReX(RCCR)3.
Authors: MANION A. B. , ERIKSON T. K. G. , SPALTENSTEIN E. , MAYER J. M.
Published: May 2016

The Re(I) complexes (IV) are obtained as by‐products in the improved synthesis of (III).
ChemInform Abstract: Silicon‐Carbon Unsaturated Compounds. Part 24. Some Reactions of a Nickelasilacyclobutene.
Authors: OHSHITA J. , ISOMURA Y. , ISHIKAWA M.
Published: May 2016

The chemical behavior of the title compound (IV), which is stable in solution, but cannot be isolated, is investigated.
ChemInform Abstract: An Unusual Copper‐Promoted Hydroxylation.
Authors: KOZIOL A. E. , PALENIK R. C. , PALENIK G. J.
Published: May 2016

In the reaction of the pyridine (I) with the semicarbazide (II) and cupric chloride (III), hydroxylation of the methyl group occurs to give the asymmetric dinuclear copper complex (IV).
ChemInform Abstract: Thermally Stable Arylpalladium Diamine Complexes as Versatile Precursors in Organopalladium Chemistry. Synthesis and X‐Ray Molecular Structure of PdIPh(tmeda) and Its Conversion to PdMePh(tmeda) (tmeda: Me2N(CH2)2NMe2).
Authors: DE GRAAF W. , VAN WEGEN J. , BOERSMA J. , SPEK A. L. , VAN KOTEN G.
Published: May 2016

Treatment of the new complex (IV) (space group P42/n with Z = 8) with MeLi (V) affords the remarkably stable mixed diorgano complex (VI).
ChemInform Abstract: Bonding of Sulfur Dioxide to the Metallamacrocycle Ir2(CO)2Cl2(μ‐(Ph2PCH2)2AsPh)2 and Its Gold(I) Adduct (Ir2Au(CO)2Cl2(μ‐(Ph2PCH2)2AsPh)2)+.
Authors: BALCH A. L. , DAVIS B. J. , OLMSTEAD M. M.
Published: May 2016

The title reaction leads to the SO2 adducts (III) (space group P21/n, Z=4) and (V) (P1, Z=2).
ChemInform Abstract: Fungal Pigments. Part 61. Flavomentins and Spiromentins, Novel Terphenylquinone Derivatives from Paxillus atrotomentosus and P. panuoides (Boletales).
Authors: BESL H. , BRESINSKY A. , GEIGENMUELLER G. + , HERRMANN R. , KILPERT C. , STEGLICH W.
Published: May 2016

The orange‐yellow flavomentins A‐C (cf.
ChemInform Abstract: Synthesis of (.+‐.)‐Nitramine, (.+‐.)‐Isonitramine, and (.+‐.)‐Sibirine via Diels‐Alder Reactions.
Authors: WANNER M. J. , KOOMEN G. J.
Published: May 2016

Methyl acrylate (I) is coupled with the phosphorus ylide (II) to give the glutarimide ylide (III) which is olefinated, forming the 3‐methyleneglutarimide (Va).
ChemInform Abstract: Total Syntheses of (+)‐Altholactone ((+)‐Goniothalenol) and Three Stereocongeners and Their Cytotoxicity Against Several Tumor Cell Lines.
Authors: UENO Y. , TADANO K. , OGAWA S. , MCLAUGHLIN J. L. , ALKOFAHI A.
Published: May 2016

The intermediates (V) and (VI) from the synthesis of the title compound (XII) are further used for the preparation of the stereocongeners (XIV), (XVI) and (XX).
ChemInform Abstract: Distribution and Valence of the Cations in Spinel Systems with Iron and Vanadium. Part 7. The Nonstoichiometric Spinel FeV2O4.
Authors: RIEDEL E. , KAEHLER J. +
Published: May 2016

X‐ray and Moessbauer investigations of FeV2O4 samples prepared from Fe2O3, Fe, and V2O3 at 1000 °C and O2 partial pressures between 10‐16.6 and 10‐9.9 bar show the spinel to be not stoichiometric.
ChemInform Abstract: Two New Mixed‐Alkali Cyclohexaphosphates Li3Na3P6O18·12 H2O and Li3K3P6O18·H2O
Authors: AVERBUCH‐POUCHOT M. T.
Published: May 2016

are prepared according to the scheme by using a process based upon the insolubility of LiF.
ChemInform Abstract: BaIr0.67Be0.33O3: A Stabilized Cubic Form of BaIrO3
Authors: LANG CH. , MUELLER‐BUSCHBAUM HK. +
Published: May 2016

is obtained for the first time by reacting BaCO3, BeO, and Ir (5:1:2; in air; presence of BaCl2 as a flux, 1000 °C).
ChemInform Abstract: Reassignment of the Structure of M3(CO)12(Cl)(SnCl3) (M: Ru, Os).
Authors: BECALSKA A. , POMEROY R. K. , GRAHAM W. A. G.
Published: May 2016

The 13C NMR spectra of the title complexes, prepared in essentially quantitative yield by a literature method, indicate them to have the structure (I).
ChemInform Abstract: Preparation of Ceramic Powders. Part 3. The Structure of Diamagnetic Titan(III) Alkoxides.
Authors: SCHMIDT F. , FELTZ A. , COLDITZ R. , GUSTAV K.
Published: May 2016

Diamagnetism and absorption spectrum indicate an unusual structure for the compound (I), prepared from TiCl3·3 THF and 3 mol Na(O‐CH2‐CH2‐O‐Et) in Et2O in ca. 70% yield.
ChemInform Abstract: The Different Redox‐Activities of Dianthrylbenzene and Dianthrylbiphenyl.
Authors: BECKER B. , COSMO R. , MUELLEN K. + , MEERHOLZ K. , HEINZE J.
Published: May 2016

The redox potentials and behaviours of dianthrylbiphenyl (IV), dianthrylbenzene (V), and the arylanthracenes (VI) are investigated and compared to each other.
ChemInform Abstract: Photochemical Deazetation of 2,3‐Diazabicyclo(2.2.2)oct‐2‐ene: Pseudorotation of the Cyclohexanediyl Biradical.
Authors: EDMUNDS A. J. F. , SAMUEL C. J.
Published: May 2016

Direct irradiation of stereospecifically (5,6‐2H2)‐labeled (I) leads to bicyclohexane (III) in which the deuterium is predominantly exo, i.e. with inversion of configuration; to hexadiene (II) in which most, but not all, of the vinylic deuterium is present in the E,Z‐isomer (analyzed as described in the foregoing ref.; allylic/terminal vinylic deuterium in the ratio 1.00 ±0.02); and to cyclohexene (IV) lacking vinylic deuterium.
ChemInform Abstract: Anionic Substitution at Carbonyl Carbon. Implications for the Chemistry of Ions in Solution.
Authors: DEWAR M. J. S. , STORCH D. M.
Published: May 2016

AM1 calculations for 42 reactions such as shown in the scheme indicate that they take place in the gas phase without any intervening barrier.
ChemInform Abstract: Photochemistry of Conjugated Nitrogen‐Carbonyl Systems. Part 8. Photoaddition of 2‐Pyridones and 2‐Quinolones to Conjugated Dienes.
Authors: SATO E. , IKEDA Y. , KANAOKA Y.
Published: May 2016

2‐Pyridones of type (I) react with cyclic dienes to give (4+4) cycloaddition products, e.g. (III) and (IV).
ChemInform Abstract: Solvent Effect as the Result of Frontier Molecular‐Orbital Interaction. Part 3. Hetero Diels‐Alder Reaction with Inverse Electron Demand Between 4‐Arylidenepyrazol‐5‐ones and Isobutyl Vinyl Ether.
Authors: BURDISSO M. , DESIMONI G. , FAITA G. , RIGHETTI P. , TACCONI G.
Published: May 2016

Kinetics and stereoselectivity of the title reaction of (I) and (II) are studied in a series of solvents with acceptor numbers between 0 and 41.3.
ChemInform Abstract: Synthesis and Reactions of α‐Carbomethoxy‐N‐phenylmaleimide and Related Electrophilic Ethylenes.
Authors: EVANS S. B. , ABDELKADER M. , PADIAS A. B. , HALL H. K. JUN.
Published: May 2016

The title compound (IX), produced as outlined in the reaction scheme, proves to be a reactive olefin.
ChemInform Abstract: Nitrosation by Alkyl Nitrites. Part 4. S‐Nitrosation in Acidic Alcohol Solvents.
Authors: CROOKES M. J. , WILLIAMS D. L. H.
Published: May 2016

In contrast to the aromatic amines, thiourea (II) can be nitrosated by alkyl nitrites such as (III) under mild acidic conditions, the protonation of (II) being involved.
ChemInform Abstract: Kinetic (Not Equilibrium) Factors are Dominant in Wittig Reactions of Conjugated Ylides.
Authors: VEDEJS E. , FLECK T. J.
Published: May 2016

Numerous control experiments are carried out to elucidate the mechanism of the Wittig reaction with vinyl‐, phenyl‐ and ester‐stabilized ylides.
ChemInform Abstract: Preparation of and Addition of Carbanions to 6‐Methyl‐6‐nitrocyclohexa‐2,4‐dienones.
Authors: FISCHER A. , HENDERSON G. N. , SANKARARAMAN S.
Published: May 2016

The addition of the carbomethoxymethyl carbanion, derived from excess of (II), to the dienone (I) leads to the colorless oil (III) and the phenol (IV) via an initial 1,4‐addition followed by 1,4‐elimination of HNO2.
ChemInform Abstract: Synthesis of Pheromones. Part 5. An Improved Synthesis of 5‐Hydroxypentanal.
Authors: VINCZER P. , JUVANCZ Z. , NOVAK L. , SZANTAY C.
Published: May 2016

Reaction of 3,4‐dihydro‐2H‐pyran (I) with sodium metabisulfite in water leads to the formation of the bisulfite adduct (III) which is converted into the title compound (IV) and the by‐products (V) ‐ (VII) by treatment with diluted sodium hydroxide.
ChemInform Abstract: Synthesis of Polynitrocyclobutane Derivatives.
Authors: ARCHIBALD T. G. , GARVER L. C. , BAUM K. , COHEN M. C.
Published: May 2016

The nitrocyclobutanes (III) and (VII) are prepared by consecutive chlorination and hypochlorite oxidation of the oximes (I) and (VI), followed by zinc‐induced dechlorination.
ChemInform Abstract: Nucleophilic Reaction of Azulene Derivatives with Some Ketone Enolates.
Authors: FUKAZAWA Y. , USUI S. , KURATA Y. , TAKEDA Y. , SAITO N.
Published: May 2016

The enolates, prepared in situ from the methyl ketones (I), are coupled with the azulenes (II) and subsequently oxidized with chloroanil to yield only the 6‐substituted azulenes (III) and (IV).
ChemInform Abstract: Palladium‐Catalyzed Cross‐Coupling of Organostannanes with Sulfonyl Chlorides: A Simple Synthesis of Sulfones.
Authors: LABADIE S. S.
Published: May 2016

The sulfonyl chlorides (I) react with the E‐configurated vinyltributylstannanes (II) in the presence of a Pd(0) catalyst to give the sulfones (III).
ChemInform Abstract: Reaction of Imidates with Isocyanates.
Authors: SCHWEIM H. G.
Published: May 2016

Reaction of the aryl isocyanates (I) with the imidic acid alkyl ester hydrochlorides (II) yields the alkoxybenzylidene ureas (III).
ChemInform Abstract: An Efficient One‐Pot Method for the Preparation of Polysubstituted Benzothiophenes.
Authors: BUCHWALD S. L. , FANG Q.
Published: May 2016

Reaction of the diphenylzirconocene (I) with the alkynes (II) and subsequent treatment with sulfur dichloride (III) yield the benzothiophenes (IV).
ChemInform Abstract: Efficient Stereoconservative Syntheses of 1‐Substituted (S)‐ and (R)‐2‐Aminomethylpyrrolidines.
Authors: HOEGBERG T. + , RAEMSBY S. + , STROEM P. +
Published: May 2016

(S)‐Pyrrolidines of type (V) and (R)‐pyrrolidines are synthesized by the procedure shown in the scheme starting from (S)‐proline (I) and its enantiomer, respectively.
ChemInform Abstract: Studies on Nitroenamines. Part 4. Synthesis of β‐Nitropyrroles from Amino Sugars and Nitroacetone.
Authors: CHIARA J.‐L. , GOMEZ‐SANCHEZ A. , HIDALGO F.‐J. , YRUELA I.
Published: May 2016

2‐Amino‐D‐glucose (I) reacts with nitroacetone (II), yielding the substituted β‐nitropyrrole (IV) via cyclization of the unstable nitroenamine (III).
ChemInform Abstract: Highly Selective Formation of cis‐Substituted Hydroxylactams via Auxiliary‐Controlled Reduction of Imides.
Authors: MILLER S. A. , CHAMBERLIN A. R.
Published: May 2016

The protected cis‐dihydroxytartarimides (VI), prepared as shown in the reaction scheme, are subjected to reduction with various aluminum or boron hydrides to yield mixtures of the two diastereomeric products (VIII) and (IX).
ChemInform Abstract: Synthesis and Reactions of 1‐Acetyl‐2‐benzylidene‐3‐oxo‐2,3‐dihydroindoles.
Authors: BUZAS A. , MEROUR J. Y.
Published: May 2016

The dihydroindolones (I) are coupled with the aldehydes (II) to give the benzylideneindoles (III) which are hydrogenated, yielding the indole derivatives (IV).