bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Selective One‐Electron Reduction of a Cationic Substrate, 10‐Methylacridinium Ion, by Group 4B Dimetals, Me3SnMMe3 (M: Sn, Ge, Si), via Radical Chain Reactions.
Authors: FUKUZUMI S. , KITANO T. , MOCHIDA K.
Published: May 2016

The dimetals (II), which are known as two‐electron σ‐donors, are shown to reduce the acridinium ion (I) in deaerated MeCN.
ChemInform Abstract: Polar Bromination and Chlorination of Cyclopropane.
Authors: LAMBERT J. B. , CHELIUS E. C. , SCHULZ W. J. JUN. , CARPENTER N. E.
Published: May 2016

Using cis‐1,2,3‐trideuterated cyclopropane it is shown that both bromine and chlorine appear to attack (I) at the edge with retention and the resulting (II) is attacked by halide ions with inversion to form (III).
ChemInform Abstract: Synthesis of Polypropionate Subunits by SN2′ Addition of Cuprates to Nonracemic Acyclic Vinyloxiranes.
Authors: MARSHALL J. A. , BLOUGH B. E.
Published: May 2016

Polypropionate synthons are useful building blocks for the synthesis of e.g. macrolide antibiotics such as protomycinolide.
ChemInform Abstract: Reaction of Schiff′s Bases Prepared from Methyl Cyclopropyl Ketone with Acyl Chlorides.
Authors: MINBAEV B. U. , MATAEVA S. O. , SHOSTAKOVSKII V. M.
Published: May 2016

Acylation of the Schiff's bases (III) affords the novel N‐(1‐cyclopropylvinyl)amides (V) in high yields (18 examples).
ChemInform Abstract: Reaction of Sulfenamides with Cycloalkenes in the Presence of Sulfamic Acid H2NSO3H.
Authors: ZEFIROV N. S. , ZYK N. V. , KUTATELADZE A. G. , BUTINA E. K.
Published: May 2016

In the presence of H2NSO3H (III) the reaction between norbornene (I) and the sulfenamide (II) affords the N‐unsubstituted sulfamates (IV) and (V) along with the N‐sulfenylsubstituted derivatives (VI) and (VII), which are produced by N‐sulfenylation of the sulfamates (IV) and (V) along with the nortricyclene derivative (VIII).
ChemInform Abstract: An Unusual Stereochemical Directing Effect of Propargylic Oxygen Substituents on an Intramolecular Diels‐Alder Reaction.
Authors: TROST B. M. , HOLCOMB R. C.
Published: May 2016

The allylic alcohol (I) is converted to the phosphine oxide (IV) which undergoes olefination of the formylpropionic acid (V) and subsequent esterification, producing the nonadienecarboxylate (VII).
ChemInform Abstract: Bis(thiodimethylene)tetrathiafulvalene (BTDM‐TTF). A New π‐Electron Donor with Relevant Oxidation Properties.
Authors: ROVIRA C. , SANTALO N. , VECIANA J.
Published: May 2016

Tetrahydrothiophenone 3‐tosylhydrazone (I) reacts with thionyl chloride (II) to give the bicyclic thiadiazoles (III) and (IV).
ChemInform Abstract: Structure and Spectroscopic Characterization of 1‐ and 2‐Hydrazonoyl‐1,2,3‐triazoles.
Authors: BOJILOVA A. , RODIOS N. A. , ALEXANDROU N. E. , TERZIS A. , MENTZAFOS D.
Published: May 2016

The isomeric products (III) and (IV) result from the reaction shown.
ChemInform Abstract: 4‐Aminoethylene Derivatives of 2‐Methylbenzotriazole.
Authors: MILATA V. , ILAVSKY D. , GOLJER I. , LESKO J. , CHAHINIAN M. , HENRY‐BASCH E.
Published: May 2016

Benzotriazole derivatives such as (III) having an aminoethylene substituent in position 4 are prepared.
ChemInform Abstract: Synthesis and Antituberculotic Activity of 5‐Amino‐3‐acylvinyl‐δ4‐1,3,4‐thiadiazolines.
Authors: KOMAROVA T. N. , ALEKSANDROVA A. E. , NAKHMANOVICH A. S. , SHCHEGOLEVA R. A. , VINOGRADOV T. I.
Published: May 2016

The thiosemicarbazones (I) are coupled with the acylacetylenes (II) to give the thiadiazolines (III) mentioned in the title.
ChemInform Abstract: Regioselective Introduction of a Methoxy Group at the Benzylic Position of Isochroman Derivatives by Cerium(IV) Oxidation in Methanol.
Authors: ISOBE K. , TAKEDA N. , MOHRI K. , TSUDA Y.
Published: May 2016

The isochromans (III), prepared by cyclization of the arylethanols (I) with paraformaldehyde (II), and the isochromanones (X) and (XIII) are oxidized with ceric ammonium nitrate in methanol (IV) to produce regioselectively the methoxy derivatives (V), (VII), and (XIV), together with some other oxidation products as outlined in the reaction scheme.
ChemInform Abstract: Some Reactions with 6,8‐Di‐tert‐butyl‐4‐phenyl‐3,4‐dihydrocoumarin.
Authors: HAIKAL A. Z. , EL‐FARARGY A. F. , EL‐MOBUAYED M. , HAMAD M. M.
Published: May 2016

The coumarin derivative (I) is modified by Knoevenagel condensation, reaction with Grignard compounds, e.g. (IV), Claisen condensation, or coupling with Schiff bases, e.g. (VIII), as outlined in the reaction scheme.
ChemInform Abstract: Quantitative Structure‐Activity Relationship of Polyhydroxyxanthones. Part 2. Synthesis of Polyoxygenated 2‐Hydroxyxanthones.
Authors: MAHFOUZ N. M. A. , HAMBLOCH H. , OMAR N. M. , FRAHM A. W.
Published: May 2016

Additionally hydroxylated 2‐hydroxyxanthones such as (IX) are synthesized via the corresponding polymethoxyxanthones, e.g. (V) or (VIII).
ChemInform Abstract: Stereochemical Course of the Alkaline Decarboalkoxylative Cyclization of C(4)‐, C(5)‐ and C(4),C(5)‐Substituted 1‐(2‐(3‐Indolyl)ethyl)‐3‐methoxycarbonyl‐1,4,5,6‐tetrahydropyridines to C(2)‐, C(3)‐ and C(2),C(3)‐Substituted Indolo(2,3‐a)quinolizidines.
Authors: LOUNASMAA M. , JOKELA R. , MAEKIMATTILA P. + , TIRKKONEN B.
Published: May 2016

The substitution pattern of the title tetrahydropyridine derivatives (I) and (IV) influences the stereochemical course of the title reaction.
ChemInform Abstract: A Synthesis of Imidazo‐ and Pyrimido(1,2‐g)(1,6)naphthyridinones.
Authors: FRIARY R. , SCHWERDT J. H. , SEIDL V. , VILLANI F. J.
Published: May 2016

In order to determine whether the structure of the central pyridone ring in compound (VI) imparts its antiallergy and antiinflammatory activities, the analogues (III) and (V) are synthesized.
ChemInform Abstract: Product Distribution in Diels‐Alder Addition of N‐Benzylidene Aniline and Enol Ethers.
Authors: CABRAL J. , LASZLO P.
Published: May 2016

Benzalaniline (I) is coupled with the dihydropyran (II) in the presence of iron trichloride or iron(III) montmorillonite to give the isomeric cycloadducts (III) and (IV).
ChemInform Abstract: 4H‐3,1‐Benzoxathiines from Benzothiete and Carbonyl Compounds.
Authors: SCHMIDT M. , MEIER H. , NIEDERMANN H.‐P. , MENGEL R.
Published: May 2016

The o‐quinoid 8π electron system (III), generated by thermal ring opening of benzothiete (I) undergoes (8π + 2π) cycloaddition reactions with electron‐deficient carbonyl compounds such as (II) to give products such as (IV).
ChemInform Abstract: Polycyclic N‐Hetero Compounds. Part 31. Synthesis and Antiplatelet Aggregation Activity of 4‐Substituted 5,6‐Dihydrobenzo(h)quinazolines.
Authors: HIROTA T. , SASAKI K. , OHTOMO H. , UEHARA A. , NAKAYAMA T.
Published: May 2016

Substitution reaction of the chlorodihydrobenzoquinazoline (I) with the amines (II) yields the amino derivatives (III).
ChemInform Abstract: Studies on Pyrazolo(3,4‐d)pyrimidine Derivatives. Part 17. Reactions of 5‐Benzoyl‐4,5‐dihydro‐6‐methyl‐1‐phenyl‐1H‐pyrazolo(3,4‐d)pyrimidine‐4‐carbonitrile (The 6‐Methylpyrazolopyrimidine Reissert Compound).
Authors: MIYASHITA A. , SATO S. , TAIDO N. , TANJI K. , OISHI E. , HIGASHINO T.
Published: May 2016

Acidic hydrolysis of the title compound (I) gives the ring‐cleaved pyrazole (II) and the pyrazolyloxazole (III), whereas alkaline hydrolysis of (I) forms the pyrazolopyrimidine (IV).
ChemInform Abstract: Synthesis and Some Reactions of New 3,1‐Benzoxazin‐4‐one Derivatives and Their Biological Activity.
Authors: EL‐NAGDY S. , SOLIMAN A. Y. , MAHMOUD M. R. , SALEH R. , BAKEER H. M.
Published: May 2016

Fusion of the ester (I) with anthranilic acid affords the benzoxazinone (III).
ChemInform Abstract: Synthesis and Characterization of (8)(3,6)Azepinophane and (8)(3,6)Oxepinophanes.
Authors: SATAKE K. , UMEMOTO I. , USUMOTO K. , KIMURA M. , MOROSAWA S. , KUMAGAI T. , MUKAI T.
Published: May 2016

Treatment of the bicyclo(8.2.2)tetradecadiene (I) with methyl N,N‐dichlorocarbamate results in aromatization to yield (8)paracyclophane (II) which reacts with the nitrene, generated from the O‐sulfonyl carbamate (III), producing a mixture of the methyl octano‐1H‐azepine‐1‐carboxylate (IV) and the methyl octanophenylcarbamate (V).
ChemInform Abstract: Syntheses of Dihydrodioxepinopyridines, Dihydrodioxocinopyridines, and a Dihydrooxazepinopyridine.
Authors: UEDA T. , NAKAYA K. , NAGAI S. , SAKAKIBARA J. , MURATA M.
Published: May 2016

The 3‐hydroxypyridines (I) and (VI) are coupled with the alkenyl halides (II) to form the ethers (III) and (VII).
ChemInform Abstract: Stable Sulfur Ylides. Part 11. Facile Preparation of Siloxydienes from Stable Sulfur Ylides.
Authors: FURUKAWA S. , IGARASHI J. , SHIMA K. , WATANABE M. , KINOSHITA T.
Published: May 2016

The sulfur ylides (I) and (IV) are treated with the chlorosilane (II) in the presence of triethylamine to produce the disiloxydienes (III) and the siloxyacrylates (V) respectively.
ChemInform Abstract: Synthesis, Structure, and Dynamics of (Organosilyl)anilides.
Authors: OTTER J. C. , ADAMSON C. L. , YODER C. H. , RHEINGOLD A. L.
Published: May 2016

A variety of (organosilyl)formanilides of the type (III) and the (organosilyl)acetanilides (VII) are prepared by amination or in the case of the phenyl derivatives (IIIc) and (IIId) by transsilylation as shown for examples (yields 70‐90%).
ChemInform Abstract: Phosphino‐Stabilized Allyl Anions and Trimethylenemethane Dianions.
Authors: VAN DOORN J. A. , VAN DER HEIJDEN H.
Published: May 2016

The phosphino‐stabilized allyl anions (II) as well as (IV) and (V) are formed by deprotonation of the phosphinopropenes (I) and (III) with alkyl‐Li compounds.
ChemInform Abstract: Stable Cationic 17‐Electron (LM(CO)3)+ Species (L: 1,4,7‐Tribenzyl‐1,4,7‐triazacyclononane; M: Cr, Mo, W): Synthesis, Spectroscopic Properties, and Reactivity. Crystal Structure of (LMo(CO)3)(PF6)·dmf.
Authors: BEISSEL T. , DELLA VEDOVA B. S. P. C. , WIEGHARDT K. , BOESE R.
Published: May 2016

Oxidation of the neutral diamagnetic 18‐electron complexes (V) affords the cationic 17‐electron species (VI).
ChemInform Abstract: Preparation and Reactions of Sulfido and Persulfido Complexes of (Pentamethylcyclopentadienyl)tungsten.
Authors: FALLER J. W. , KUCHARCZYK R. R. , MA Y.
Published: May 2016

The reaction of (Ib) with an excess of (II) yields (IIIb) and the analogue of (IV) only in traces.
ChemInform Abstract: Synthesis, Crystal Structure, and Magnetic Properties of Tetranuclear Complexes Containing Exchange‐Coupled Ln2Cu2 (Ln: Gd, Dy) Species.
Authors: BENELLI C. , CANESCHI A. , GATTESCHI D. , GUILLOU O. , PARDI L.
Published: May 2016

By using copper Schiff base complexes to ligate lanthanoid hexafluoroacetylacetonates the complexes (VI), containing clusters of four metal ions, are synthesized.
ChemInform Abstract: Metallacyclohexadiene and Metallabenzene Chemistry. Part 3. Synthesis, Characterization, and Reaction Chemistry of a Family of 1‐Iridacyclohexa‐2,4‐diene Complexes.
Authors: BLEEKE J. R. , PENG W.‐J. , XIE Y.‐F. , CHIANG M. Y.
Published: May 2016

A new synthetic approach to 1‐metallacyclohexa‐2,4‐diene complexes is developed, as demonstrated in the prototypical preparation of the irida compounds.
ChemInform Abstract: New Sterpurane and Isolactarane Sesquiterpenes from the Fungus Merulius tremellosus.
Authors: STERNER O. , ANKE T. , SHELDRICK W. S. , STEGLICH W.
Published: May 2016

Besides merulidial (Ia), the compounds (IIa) and (III)‐(VI) are isolated from the culture fluid of the title fungus.
ChemInform Abstract: Reactions of 3‐Carene Oxides with Isothiuronium Salts. Synthesis and Molecular Structure of 4‐Alkylthio‐ and 4‐Alkylsulfonylcaran‐3‐ols.
Authors: ARTEMOVA N. P. , BIKBULATOVA G. SH. , PLEMENKOV V. V. , LITVINOV I. A. , KATAEVA O. N. , NAUMOV V. A.
Published: May 2016

The carene oxides (I) and (V) react regio‐ and stereoselectively with the S‐alkylisothiuronium salts (II) to give the stereoisomeric 4‐alkylthio‐3‐caranols (III) and (VI) which are oxidized with H2O2/AcOH, producing the corresponding sulfones (IV) and (VII) respectively.
ChemInform Abstract: Synthesis of Active‐Site Directed Inhibitors of Some β‐Glucan Hydrolases.
Authors: RODRIGUEZ E. B. , STICK R. V.
Published: May 2016

Similarly to the preparation of the epoxyalkyl glucosides (IV) of D‐glucose delineated in the scheme, the analogues (Va) derived from cellobiose or laminaribiose, resp., as well as the analogues (Vb)‐(Ve) from corresponding trisaccharides are synthesized.
ChemInform Abstract: Synthesis and Properties of Calamitic Liquid Crystals from Deoxygenated Carbohydrate Derivatives.
Authors: PUDLO P. , THIEM J. , VILL V.
Published: May 2016

The anomeric nitriles (III) and (IV) are prepared and different hydrogenation results are obtained using Pd‐C or Wilkinson catalysts.
ChemInform Abstract: A Method for Preparing Oligodeoxynucleotides Containing an Apurinic Site.
Authors: GROEBKE K. , LEUMANN C.
Published: May 2016

2‐Deoxy‐D‐ribose (I) is converted in three steps into the phosphoramidite building block (IX) bearing a Tbs protecting group at the OH function of the anomeric center of the furanose ring.
ChemInform Abstract: Asymmetric Synthesis of Orsellinic Acid Type Macrolides: The Example of Lasiodiplodin.
Authors: SOLLADIE G. , RUBIO A. , CARRENO M. C. , GARCIA RUANO J. L.
Published: May 2016

The asymmetric synthesis of both enantiomers of methyl lasiodiplodin (cf.
ChemInform Abstract: Synthesis and Antibacterial Activity of Lactivicin Derivatives.
Authors: TAMURA N. , MATSUSHITA Y. , KAWANO Y. , YOSHIOKA K.
Published: May 2016

Lactivicin (I) is converted into the N‐deprotected derivative (II) by literature‐known methods.
ChemInform Abstract: Superconducting Glass‐Ceramics in the Bi‐Sr‐Ca‐Cu‐O System.
Authors: DE GUIRE M. R. , BANSAL N. P. , KIM C. J.
Published: May 2016

The crystallization behavior during reheating of Bi1.5SrCaCu2Oz (prepared in the glassy state by rapid quenching from the melt) is studied by DTA, XRD, SEM, and resistivity measurements.
ChemInform Abstract: Wide‐Range Tuning of the Titanium Dioxide Flat‐Band Potential by Adsorption of Fluoride and Hydrofluoric Acid.
Authors: WANG C. M. , MALLOUK T. E.
Published: May 2016

A study of the adsorption of fluoride, (HF)nF‐ ions, and hydrofluoric acid at the surface of n‐type TiO2‐xFx (x ≈ 0.001) electrodes by using electrochemical methods show that fluoride and (HF)nF‐ species with n = 1, 2 are strongly adsorbed at the (001) surface from MeCN/Et4NF solution.
ChemInform Abstract: Dielectric Properties of Sb2O3 Thin Film Capacitors.
Authors: KUMAR J. S. , RAO U. V. S.
Published: May 2016

Thin films of Sb2O3 are prepared in the form of metal‐insulator‐metal structures by vacuum evaporation of high‐purity Sb2O3 powder.
ChemInform Abstract: Reactions of Silica‐Supported Copper Oxide as a Regenerable Sorbent for Flue Gas Desulfurization.
Authors: VAN DER GRIFT C. J. G. , GEUS J. W.
Published: May 2016

The reactivity of two well characterized (XRD, IR) silica‐supported copper oxide sorbents, exhibiting different copper particle size distribution, towards dynamic gas atmospheres containing mixtures of N2, H2, O2, and SO2 is investigated by means of temp.‐programmed reactions.
ChemInform Abstract: New Syntheses of Xenon Hexafluoride (XeF6) and Xenon Tetrafluoride (XeF4).
Authors: NIELSEN J. B. , KINKEAD S. A. , PURSON J. D. , ELLER P. G.
Published: May 2016

XeF6 is prepared in 62% yield by reaction of xenon with excess fluorine in a modified "hot wire" reactor at low pressure (50‐70 torr) and high temp. (700‐800 °C).
ChemInform Abstract: Crystallographic Characterization of the Polyoxotungstate (Eu3(H2O)3(SbW9O33)(W5O18)3)18‐ and Energy Transfer in its Crystalline Lattices.
Authors: YAMASE T. , NARUKE H. , SASAKI Y.
Published: May 2016

The new mixed polytungstate (IV) crystallizes in the monoclinic system, space group C2/m, Z=4.
ChemInform Abstract: Linear Coordinative Bonding at Oxygen: A Spectroscopic and Structural Study of Phosphine Oxide‐Group 13 Lewis Acid Adducts.
Authors: BURFORD N. , ROYAN B. W. , VON H. SPENCE R. E. , CAMERON T. S. , LINDEN A. , ROGERS R. D.
Published: May 2016

Adducts such as (I) are studied by multinuclear NMR spectroscopy in CH2Cl2 solution and by X‐ray crystallography of the three compounds (I) (for all space group R3, Z = 6).
ChemInform Abstract: Tellurapyrylium Dyes as Catalysts for the Conversion of Singlet Oxygen and Water to Hydrogen Peroxide.
Authors: DETTY M. R. , GIBSON S. L.
Published: May 2016

Novel catalytic reactions of tellurapyrylium dye (I) that utilize the Te(IV) species (II) as an intermediate are studied, kinetic data are determined.
ChemInform Abstract: Proline‐Catalyzed Asymmetric Anellations ‐ A Novel Observation.
Authors: RAMAMURTHI N. , SWAMINATHAN S.
Published: May 2016

In connection with the study of oxy‐Cope rearrangements of dl‐(IV), the synthesis of its (S) isomer is envisaged.
ChemInform Abstract: Chromium and Tungsten Pentacarbonyl Groups as Reactivity Auxiliaries in the Diels‐Alder Reactions of Alkenyl Carbene Complexes with 1,3‐Dienes.
Authors: WULFF W. D. , BAUTA W. E. , KAESLER R. W. , LANKFORD P. J. , MILLER R. A. , MURRAY C. K. , YANG D. C.
Published: May 2016

The Diels‐Alder reactions of Fischer carbene complexes are studied for 10 complexes with 11 different 1,3‐dienes.
ChemInform Abstract: Intramolecular Arene Hydrogenation at Niobium Metal Centres: Stereochemical Consequences.
Authors: STEFFEY B. D. , ROTHWELL I. P.
Published: May 2016

Hydrogenation of the niobium complex (I) in toluene followed by hydrolysis yields a mixture of the dicyclohexylphenol (II), the cyclohexylphenylphenol (III), and 2,6‐diphenylphenol (IV).
ChemInform Abstract: Diastereoselective Synthesis of 2,6‐Disubstituted 3‐Hydroxypiperidine, 2‐(α‐Hydroxyalkyl)‐3‐hydroxypiperidine, and 2‐(α‐Hydroxyalkyl)‐3‐hydroxypyrrolidine Derivatives.
Authors: KANO S. , YUASA Y. , MOCHIZUKI N. , SHIBUYA S.
Published: May 2016

Reduction of the oxazolopyridinones (I) with sodium borohydride or K‐Selectride takes place stereoselectively to produce the alcohols (II) or (III), depending on the reaction conditions.
ChemInform Abstract: Homolytic Alkylation of Heteroaromatic Bases: The Problem of Monoalkylation.
Authors: FONTANA F. , MINISCI F. , NOGUEIRA BARBOSA M. C. , VISMARA E.
Published: May 2016

The silver‐catalyzed decarboxylation of carboxylic acids such as (II) by persulfate leads to alkyl radicals, which are utilized for the selective alkylation of bases such as (I).
ChemInform Abstract: Synthesis of a New Chiral Phase‐Transfer Catalyst: Chemical Activity in Alkylation Reactions.
Authors: VALLI V. L. K. , SARMA G. V. M. , CHOUDARY B. M.
Published: May 2016

The catalyst (III), available starting from D‐(+)‐tartaric acid via the known intermediate (I) is found to be more active than the conventional tetraalkylammonium salts in alkylation reactions of active methylene compounds under usual solid‐liquid phase‐transfer conditions.
ChemInform Abstract: New Catalytic System for the Activation of Carbon Dioxide and Alkynes Based on Electrogenerated Nickel Complexes.
Authors: DUNACH E. , PERICHON J.
Published: May 2016

Carboxylation of the alkynes (I) with carbon dioxide (II) is achieved by electrolysis in the presence of a Ni(0) catalyst between a magnesium anode and a carbon fibre cathode, yielding the acrylic acids (III) as the main products.
ChemInform Abstract: Mechanism of Wittig Reaction: Evidence Against Betaine Intermediates.
Authors: VEDEJS E. , MARTH C. F.
Published: May 2016

The ratio of oxaphosphetane pseudorotamers (III) and (IV) obtained from the Wittig reaction of ylide (I) and the aldehyde (II) is determined at conditions where the interconversion of isomers by pseudorotation is slow (in the range of 2.7‐6.5:1).
ChemInform Abstract: A Versatile Method for the N,N‐Dialkylation of Aromatic Amines via Grignard Reactions on N,N‐Bis(benzotriazolylmethyl)arylamines.
Authors: KATRITZKY A. R. , RACHWAL S. , WU J.
Published: May 2016

Grignard reactions of N,N‐bis(benzotriazolylmethyl)arylamines such as (I) afford the N,N‐dialkylarylamines (IV) in high yields.
ChemInform Abstract: Reinvestigation of a Reported Synthesis of a Series of Tetracarbonylmethanes.
Authors: LEE‐RUFF E. , KWONG P. , KOPKINSON A. C.
Published: May 2016

The aroyl chlorides (I) react with diethyl bromomalonate (II) in the presence of tributylarsine to produce the benzoyloxybenzylidenemalonates (III).
ChemInform Abstract: Preorganized Bis‐ethynes: Molecular π‐Tweezers?
Authors: VOEGTLE F. + , PAPKALLA T. , KOCH H. , NIEGER M.
Published: May 2016

The naphthalenes (V) and (VI) (X‐ray analysis for (VIb): space group P1; Z=2) are synthesized for the first time.
ChemInform Abstract: Alkoxide‐Mediated Oxidative Ring Expansion of Benzocyclobutenes. A New Route to 3,4‐Dihydroisocoumarins.
Authors: SHISHIDO K. , HIROYA K. , YAMASHITA A. , TOKUNAGA Y. , FUKUMOTO K.
Published: May 2016

The dianion of the methoxybenzocyclobutenecarboxylic acid (I) reacts with the methyl esters (II) to produce enolates via decarboxylation.
ChemInform Abstract: Structurally Simple α,β‐Butenolides. Part 8. 5‐Haloalkyl‐ and 3‐Bromo‐5‐hydroxyalkyl‐2(5H)‐furanones.
Authors: FONT J. , SANCHEZ‐FERRANDO F. , SEGURA C. , PINIELLA J. F. , JEFFREY G. A. , RUBLE J. R.
Published: May 2016

Bromine or NBS react with sorbic acid (I) under the conditions shown in the scheme to give the separable isomers (IIa + b) (X‐ray analysis of (IIa): space group P42/n; Z = 8) and the bromohydrin (III).
ChemInform Abstract: A Convenient Method for the Stereoselective Preparation of trans‐2‐Hydroxymethyltetrahydrofurans by the Oxidative Cyclization of 5‐Hydroxy‐1‐alkenes with Molecular Oxygen Catalyzed by a Cobalt(II) Complex.
Authors: INOKI S. , MUKAIYAMA T.
Published: May 2016

The hydroxy‐1‐alkenes (I) or (IV) undergo oxidative cyclization with molecular oxygen in the presence of Co(II) complexes to form the corresponding 2‐hydroxymethyltetrahydrofurans (II) or (V).
ChemInform Abstract: Preparation of Novel 4‐Substituted 6‐Methoxy‐, 6,7‐Dimethoxy‐, and 6,7‐(Methylenedioxy)isochroman‐3‐ones. Part 2.
Authors: KHANAPURE S. P. , BIEHL E. R.
Published: May 2016

The bromo(methoxymethyl)benzenes (III) and (VII), prepared by conventional methods, are coupled with the acetonitriles (VIII) in the presence of lithium or sodium amides to form the o‐(methoxymethyl)phenylacetonitriles (IX) or (XII) via aryne intermediates.
ChemInform Abstract: Stereochemistry Associated with the Addition of 2‐(Trimethylsilyl)thiazole to Differentially Protected α‐Amino Aldehydes. Applications Toward the Synthesis of Amino Sugars and Sphingosines.
Authors: DONDONI A. , FANTIN G. , FOGAGNOLO M. , PEDRINI P.
Published: May 2016

The chiral α‐amino aldehydes (I) are coupled with 2‐(trimethylsilyl)thiazole (II) to give the vicinal amino alcohols (III) and (IV) after O‐desilylation.
ChemInform Abstract: Enolate Ions. Part 2. Convenient Synthesis of 3,4‐Dihydro‐2,4‐dioxo‐2H‐pyrans and 2‐Pyrones. ‐ Enolate Ions as Synthetic Equivalents of 1,3‐Dianions. ‐ Crystal‐ and Molecular Structure of Ethyl 6‐Ethoxy‐3,4‐dihydro‐3,3‐dimethyl‐2,4‐dioxo‐2H‐pyran‐5‐carboxylate.
Authors: SAALFRANK R. W. , GUENDEL J. + , ROSSMANN G. , HANEK M. , ROST W. , PETERS K. , VON SCHNERING H. G.
Published: May 2016

Whereas the dioxopyran (IVb) isomerizes by heating with AlCl3 to give the pyrone (V), no such isomerization is observed from the compounds (IVa) and (IVc).
ChemInform Abstract: Synthesis and X‐Ray Crystal Structures of Isonipecotinamide Derivatives as Reverse Amide Analogues of Fentanyl.
Authors: BORNE R. F. , GATCHELL C. L. , KLEIN C. L. , HARRIS J. , ELLIS P.
Published: May 2016

The isonipecotinamide derivatives (II), (VIII) and (IX) (obtained similarly to (VIII)), which represent reverse amide derivatives of the potent analgetic fentanyl (III), are evaluated for analgetic activity.
ChemInform Abstract: Conjugate Addition of 2‐Lithio‐2‐(2,2‐dimethoxyethyl)‐1,3‐dithiane to Enones.
Authors: REDDY C. L. , REDDY M. P. , NAGARAJAN M.
Published: May 2016

The title compound (III) is obtained by an improved and economical synthesis.
ChemInform Abstract: Pyrano(3,2‐c)azepine, a New Heterocyclic System. A New Approach to Pyrido(3,2‐c)azepines.
Authors: KOCEVAR M. , POLANC S. , TISLER M. , VERCEK B.
Published: May 2016

Schmidt reaction of the oxotetrahydrocoumarin (I) produces the tetrahydropyranoazepinediones (III).
ChemInform Abstract: Bridging of Macrodithionolactones to Bicyclic Systems. Synthesis and Modeling of Oxapolycyclic Frameworks.
Authors: NICOLAOU K. C. , HWANG C.‐K. , MARRON B. E. , DEFREES S. A. , COULADOUROS E. A. , ABE Y. , CARROLL P. J. , SNYDER J. P.
Published: May 2016

The title reaction leads to stable bicyclic systems, e.g. (II), (VI) and (IX), as major products.
ChemInform Abstract: An Unusual Oxazole Formation.
Authors: FREEDMAN J. , HUBER E. W.
Published: May 2016

Following the known literature route starting from salicylamide (I), the desired benzoxazepinone (III) can be prepared.
ChemInform Abstract: S,S‐Dialkyl O‐Trimethylsilyl Dithiophosphites in Reactions with Alkyl Halides, Carboxylic Acid Halides, and Dialkyl Halophosphites.
Authors: AL'FONSOV V. A. , NIZAMOV I. S. , TRUSENEV A. G. , BATYEVA E. S. , PUDOVIK A. N.
Published: May 2016

The S,S‐dialkyl O‐trimethylsilyl phosphites (I) are coupled with the alkyl(acyl)halides (II), (IV), and (VI) to give the dithiophosphonates (III), (V), and (VII).
ChemInform Abstract: Synthesis of Dialkoxy(thio)phosphoryliminothiazolidin‐4‐ones.
Authors: KAMALOV R. M. , KHAILOVA N. A. , PUDOVIK M. A. , PUDOVIK A. N.
Published: May 2016

The (thio)phosphorylureas (I) are coupled with chloroacetic acid derivatives such as the methyl ester (II) to give the (thio)phosphoryliminothiazolidinones (III).
ChemInform Abstract: Synthesis and Structural Characterization of the Cyclic Species (GeN(2,6‐i‐Pr2C6H3))3: The First “Germanazene”.
Authors: BARTLETT R. A. , POWER P. P.
Published: May 2016

The synthesized title compound (III) (space group P1, Z=2) is characterized by X‐ray structure analysis.
ChemInform Abstract: Synthesis of Molybdenum Imido Alkylidene Complexes and Some Reactions Involving Acyclic Olefins.
Authors: SCHROCK R. R. , MURDZEK J. S. , BAZAN G. C. , ROBBINS J. , DIMARE M. , O'REGAN M.
Published: May 2016

The imido neopentylidene‐Mo complex (IV) is obtained as shown and converted into the olate derivatives (VI).
ChemInform Abstract: Conjugate Addition of a Chiral Manganese Acetylide Complex to Epoxides, Vinyl Ketones, and Heterocumulenes.
Authors: LUGAN N. , KELLEY C. , TERRY M. R. , GEOFFROY G. L. , RHEINGOLD A. L.
Published: May 2016

The preparation of the title acetylide (III) and its reaction with epoxides, vinyl ketones and heterocumulenes such as (IV), (VII) and (IX) to give the products (V), (VIII) or (X) are described.
ChemInform Abstract: Synthesis and Reactions of Coordinatively Unsaturated μ3‐Alkylidyne Clusters; X‐Ray Crystal Structures of the Phosphido Bridged Complexes (WFe2(μ3‐CR)(μ‐H)(μ‐PPh2)(CO)6(η‐C5H5)) and (WFe2(μ3‐CR)(μ‐C(O)C(Me)CHMe)(μ‐PEt2)(CO)5(η‐C5H5)) (R: C6H4Me‐4).
Authors: JEFFERY J. C. , LAWRENCE‐SMITH J. G.
Published: May 2016

The thermal decarbonylation of complexes (I) and of the mixture (VI)/(VII) gives the coordinatively unsaturated derivatives (II) (space group P1, Z=2) and (VIII), respectively, which readily react with CO to regenerate their saturated precursors.
ChemInform Abstract: Reactivity of Bis(diphenylphosphino)methane in Cationic Octahedral Iron(II) Derivatives. X‐Ray Structure of mer‐(FeCl((Ph2P)2C(AuPPh3)2)(CNPh)3)PF6.
Authors: RIERA V. , RUIZ J. , SOLANS X. , TAULER E.
Published: May 2016

Deprotonation of the cationic complexes (I) yields the octahedral iron(II) bis(diphenylphosphino)methanide derivatives of type (II).
ChemInform Abstract: Interception of Copper Polysulfide Clusters in the Reaction of Copper and Sulfur in Donor Solvents: Polysulfide Complexes as the Link Between Molecular and Nonmolecular Metal Sulfides.
Authors: RAMLI E. , RAUCHFUSS T. B. , STERN C. L.
Published: May 2016

If the reaction, which leads to CuS (covellite) at reflux temp., is carried out at 25 °C a crystalline solid is obtained, which is identified as (IV) ( P21/n, Z=4).
ChemInform Abstract: Preparative, Structural, and Magnetic Studies of 2‐Hydroxypyridinate Complexes of Diruthenium(II).
Authors: COTTON F. A. , REN T. , EGLIN J. L.
Published: May 2016

(IIIb) is prepared by the method described for (V) using molten bromopyridinol (yield 70%).
ChemInform Abstract: Synthesis and Structural Study of Neutral Mononuclear and Anionic Binuclear 2,4,6‐Trifluorophenyl Derivatives of Palladium(II). Crystal Structure of (P(CH2Ph)Ph3)2((C6F3H2)2Pd(μ‐SCN)(μ‐NCS)Pd(C6F3H2)2).
Authors: LOPEZ G. , GARCIA G. , SANTANA M. D. , SANCHEZ G. , RUIZ J. , HERMOSO J. A. , VEGAS A. , MARTINEZ‐RIPOLL M.
Published: May 2016

The synthesized diaryldibenzonitrile‐Pd(II) (IV) is used as a precursor to prepare neutral derivatives with tert. phosphines, arsine, or phosphites such as (V) and the anionic binuclear chloro‐bridged complex (VIII).
ChemInform Abstract: Enantioselective Syntheses of Isotopically Labeled α‐Amino Acids. Preparation of (ε‐13C)‐L‐α‐Aminoadipic Acid and Five Isotopomers of L‐Lysine with 13C, 15N and 2H in the δ‐ and ε‐Positions.
Authors: RAAP J. , VAN DER WIELEN C. M. , LUGTENBURG J.
Published: May 2016

The asymmetric synthesis of (ε‐13C)‐L‐α‐aminoadipic acid (VI) and various isotopomers (VII) and (VIIIa)‐(VIIId) of L‐lysine is described as shown for (VI) and (VII).
ChemInform Abstract: Chemoenzymatic Synthesis and Characterization of L‐Tryptophans Selectively 13C‐Enriched or Hydroxylated in the Six‐Membered Ring Using Transformed Escherichia coli Cells.
Authors: VAN DEN BERG E. M. M. , JANSEN F. J. H. M. , DE GOEDE A. T. J. W. , BALDEW A. U. , LUGTENBURG J.
Published: May 2016

The 3a‐ and 6‐13C‐labeled tryptophans (XIa) and (XIb) are prepared as shown for (XIa) from simple labeled precursors such as (II).
ChemInform Abstract: A New Synthesis of 1‐Amino‐2,2‐dialkylcyclopropanecarboxylic Acids from β‐Chloroimines.
Authors: DE KIMPE N. , SULMON P.
Published: May 2016

The β‐chloroaldehyde (I) is converted into the α‐amino nitrile (V) which is N‐chlorinated with tert‐butyl hypochlorite, forming the N‐chloro amine (VI).
ChemInform Abstract: Intramolecular N‐(Acyloxy)iminium Ion‐Alkyne Cycloadditions. A New Route to Bicyclic α‐Amino Ketones.
Authors: FISHER M. J. , OVERMAN L. E.
Published: May 2016

Various cyclic α‐ethoxy carbamates bearing an unsaturated side chain, e.g. (VII), are prepared and subjected to intramolecular Diels‐Alder reaction induced by tin tetrachloride to yield tricyclic 1,3‐oxazinone derivatives, e.g. (IX), (X), or (XI) and minor amounts of (XII).
ChemInform Abstract: Synthesis of Covalently Linked Double‐Helical Cross Sections Representative of Purine‐Pyrimidine, Purine‐Purine, and Pyrimidine‐Pyrimidine Duplexes.
Authors: DEVADAS B. , LEONARD N. J.
Published: May 2016

The classical Watson‐Crick double‐helical model of DNA/RNA possesses well‐defined hydrogen bonds that hold the two strands in complementarity.
ChemInform Abstract: Synthesis of Nucleosides and Their Related Compounds. Part 15. Cycloadditions in Syntheses. Part 44. Dimethyl rel‐(1S,2S,3R,4R)‐2‐(2,3‐Epoxy‐4‐hydroxymethylcyclopent‐1‐yl)malonate as a Novel Building Block for Carbocyclic Arabinosyl Nucleosides.
Authors: KATAGIRI N. , NOMURA M. , KANEKO C.
Published: May 2016

Ti(IV)‐catalyzed cycloaddition reaction of cyclopentadiene (I) with the acetoxymethylenemalonate (II) yields a mixture of the acetoxynorbornenedicarboxylates (III) which are oxidized with a peracid, forming the epoxides (IV).
ChemInform Abstract: Acid‐Stable 2′‐Fluoro Purine Dideoxynucleosides as Active Agents Against HIV.
Authors: MARQUEZ V. E. , TSENG C. K.‐H. , MITSUYA H. , AOKI S. , KELLEY J. A. , FORD H. JUN. , ROTH J. S. , BRODER S. , JOHNS D. G. , DRISCOLL J. S.
Published: May 2016

The preparation of the title compounds (I) as acid‐stable analogues of the anti‐HIV 2 drugs (II) is described in the original paper.
ChemInform Abstract: The Oxidation of Norbornadiene and Some Derivatives Using Pseudomonas sp.
Authors: GEARY P. J. , PRYCE R. J. , ROBERTS S. M. , RYBACK G. , WINDERS J. A.
Published: May 2016

Treatment of norbornadiene (I) with Pseudomonas sp.
ChemInform Abstract: Plasma Nitriding of Titanium Particles in a Fluidized Bed Reactor at a Reduced Pressure.
Authors: OKUBO T. , KAWAMURA H. , KUSAKABE K. , MOROOKA S.
Published: May 2016

Titanium particles of 46‐74 μm diameter are successfully fluidized by a N2 gas flow at a pressure of ∼100 Pa and a nitride layer is formed with the assistance of a radio‐frequency plasma discharge.
ChemInform Abstract: Mechanical and Optical Properties of TiN CVD Film on Ceramic.
Authors: NAKAMURA S. , YOSHIOKA S. , HIRANO T. , YAMAMOTO Y. , SUZAKI Y. , SHIKAMA T. , SUITA Y.
Published: May 2016

TiN films of 0.5‐0.8 μm thickness are grown on a 3 Al2O3·2 SiO2 ceramic support by CVD using NH3 and TiCl4 as precursors.
ChemInform Abstract: Electrochemical Characteristics of Silver Treated Cadmium Selenide Single Crystal Electrodes.
Authors: UOSAKI K. , YONEDA R. , KITA H.
Published: May 2016

In order to improve the efficiency and the stability of CdSe single crystal electrodes, the effect of silver treatment on their electronic and photoelectrochemical properties is investigated.
ChemInform Abstract: Ba2EuIrO6 ‐ Single Crystal Investigation on a 6L Stacking Variant of Perovskite.
Authors: LANG CH. , MUELLER‐BUSCHBAUM HK. +
Published: May 2016

Single crystals of the title compound, prepared by solid state reaction in a BaCl2 flux (BaCO3:Eu2O3:BaCl2 = 1:1:20, presence of Ir, O2 atmosphere, 1000 °C), belong to the hexagonal space group P63/mmc with Z=3.
ChemInform Abstract: Supramolecular Transport of Metal Complexes. Chiroselective Membrane Transport of Metal Amine Complexes by a Polyether Ionophore, Lasalocid A (I).
Authors: LINDOY L. F. , WALKER G. W. , EVERETT G. W.
Published: May 2016

Successful transport of Co(III) complexes is achieved by using a system involving aqueous source and receiving phases separated by a CHCl3 phase containing the (naturally occurring) ionophore (I) as its sodium salt.
ChemInform Abstract: Photoreductive Cyclization of Unsaturated Aldehydes: An Easy Access to Spiranic Molecules.
Authors: COSSY J. , PETE J. P. , PORTELLA C.
Published: May 2016

The alkynol (I) is silylated and then oxidized to form the silylhexynal (IV).
ChemInform Abstract: Photochemistry of a Square‐Planar Cobalt(III) Complex.
Authors: LEE G.‐H. , LARSON J. L. , PERKINS T. A. , SCHANZE K. S.
Published: May 2016

Product and quantum yield studies in the photochemical decomposition of (I) water or alcohols suggest that the photoreaction occurs via a novel mechanism that is very similar to one operating in the photodecomposition of Cu(III)‐peptide complexes.
ChemInform Abstract: Intermediates in the Ene Reactions of Singlet Oxygen and N‐Phenyl‐1,2,4‐triazoline‐3,5‐dione with Olefins.
Authors: ORFANOPOULOS M. , SMONOU I. , FOOTE C. S.
Published: May 2016

The reactions of specifically deuterated butenes with singlet oxygen and N‐phenyl‐1,2,4‐triazoline‐3,5‐dione are studied.
ChemInform Abstract: Asymmetric Induction in an Enammonium‐Iminium Rearrangement. Mechanistic Insight via NMR, Deuterium Labeling, and Reaction Rate Studies. Application to the Stereoselective Synthesis of Pyrroloisoquinoline Antidepressants.
Authors: SORGI K. L. , MARYANOFF C. A. , MCCOMSEY D. F. , GRADEN D. W. , MARYANOFF B. E.
Published: May 2016

Reductive deoxygenation of both the trans and cis alcohols (Ia) or (Ib) leads to product mixtures highly biased in favor of the trans diastereomer (III).
ChemInform Abstract: Ligand Exchange Between Cyanocuprates and Allylic Stannanes: A Novel, Direct Route to Allylic Cuprates Possessing Remarkable Reactivity and Stability.
Authors: LIPSHUTZ B. H. , CROW R. , DIMOCK S. H. , ELLSWORTH E. L. , SMITH R. A. J. , BEHLING J. R.
Published: May 2016

The lack of thermal stability associated with Gilman reagents (R2CuLi) composed of allylic ligands can be used to rationalize the scarcity of successful organocopper reactions involving allylic copper cuprates in the past decade.
ChemInform Abstract: Synthesis of Aldehydes, Ketones, and Carboxylic Acids by Selective Oxidations of Alcohols Using a Polypyridyl Complex of Ruthenium(IV).
Authors: NAVARRO M. , DE GIOVANI W. F. , ROMERO J. R.
Published: May 2016

The primary and secondary alcohols (I) are electrochemically oxidized in the presence of a polypyridylruthenium(II) aqua complex to form the corresponding aldehydes or ketones (II).
ChemInform Abstract: Aromatic Nucleophilic Substitution. Part 27. Aromatic Nucleophilic Substitution Reactions of 1‐(Alkylamino)‐2,4‐dinitronaphthalenes with Various Primary Amines in Dimethyl Sulfoxide.
Authors: SEKIGUCHI S. , SUZUKI T. , HIROSAWA Y. , ISHIKURA H.
Published: May 2016

The (alkylamino)dinitronaphthalenes (I) react with primary amines, e.g. (II), in DMSO under exchange of the amino substituents to give (alkylamino)dinitronaphthalenes such as (III).
ChemInform Abstract: Vinyllithiums from Butylvinyl Tellurides and Bisvinyl Tellurides.
Authors: BARROS S. M. , COMASSETO J. V. , BERRIEL J.
Published: May 2016

The vinylic tellurides (I) are transmetallated with butyllithium (II) to generate the vinyllithium compounds (III) which react with electrophiles, e.g. the aldehydes or ketones (IV), yielding the allylic alcohols (V).
ChemInform Abstract: Organomanganese(II) Reagents. Part 20. Manganese‐Mediated Barbier and Reformatskii Like Reactions. An Efficient Route to Homoallylic Alcohols and β‐Acetoxy Esters.
Authors: CAHIEZ G. , CHAVANT P.‐Y.
Published: May 2016

Coupling of the ketones (I) with allyl bromide (II) in the presence of manganese produces the homoallylic alcohols (III).
ChemInform Abstract: Supertriptycene, C104H62.
Authors: SHAHLAI K. , HART H.
Published: May 2016

The synthesis of the title compound (VII) includes an unusual high‐yield Diels‐Alder reaction between the dienophile (VI) and the diene (I).
ChemInform Abstract: Synthesis of Longitudinally Twisted Polycyclic Aromatic Hydrocarbons via a Highly Substituted Aryne.
Authors: SMYTH N. , VAN ENGEN D. , PASCAL R. A. JUN.
Published: May 2016

Diels‐Alder reaction of phencyclone (I) with the maleimide (II) produces the adduct (III) which is converted into the aminocarboxylic acid (IV) by Hofmann rearrangement.
ChemInform Abstract: N3‐(Arylthio‐, Aralkylthio‐, and Alkylthio)‐5,5‐dimethylhydantoins: Sulfenyl Group Transfer Reactions and Their Properties.
Authors: TAKEDA K. , HORIKI K.
Published: May 2016

The N3‐arylthio‐ (Ia) and (Ib) and the N3‐aralkylthio‐5,5‐dimethylhydantoin (Ic) react with morpholine (II) to produce the sulfenamides (III).
ChemInform Abstract: Benzopyrans. Part 25. Conversion of 4‐Oxo‐4H‐1‐benzopyran‐3‐carbaldehyde into its 2‐Methyl Homologue and 3(5)‐Salicyloylpyrazole.
Authors: GHOSH C. K. , BISWAS S. , BHATTACHARYYA A. , SASMAL N.
Published: May 2016

The aldehyde (IV), which is needed for the synthesis of xanthones and heterocycles fused with the 2,3‐bond of 1‐benzopyran, can be prepared from the acetal (I) corresponding to the title aldehyde via thermolysis of the pyrazoline (III) and subsequent hydrolysis of the acetal function.
ChemInform Abstract: Oxygen‐Bridged Tetrahydropyridines, Hexahydropyridines, and Dihydropyridones via a Hantzsch‐Like Synthesis with 4‐(2‐Hydroxyphenyl)but‐3‐en‐2‐one.
Authors: SVETLIK J. , GOLJER I. , TURECEK F.
Published: May 2016

The title compounds (I), (VI), (VII), (X) and (XIII) are synthesized in order to test their biological activity.
ChemInform Abstract: A Facile Synthesis of 3‐(2‐Amino‐4‐ethoxyphenyl)pyridine.
Authors: SHIBUYA K. , SHIGYO H. , OHTA T.
Published: May 2016

3‐Bromopyridine (I) is coupled with 4‐ethoxyphenylmagnesium bromide (II) in the presence of a Ni(II)‐catalyst to give 3‐(4‐ethoxyphenyl)pyridine (III) which is brominated with bromine, forming 3‐(3‐bromo‐4‐ethoxyphenyl)pyridine (IV).
ChemInform Abstract: Synthesis of Quinolines via Cyclization of 2‐Cyano‐3‐dimethylamino‐N‐(aryl)acrylamides.
Authors: ADAMS D. R. , ADAMS C.
Published: May 2016

The N‐cyanoacetyl‐3‐alkoxyanilines (III), prepared by convenient methods, are coupled with dimethylformamide (V) to form the dimethylaminomethylene derivatives (VI).
ChemInform Abstract: Rearrangement of Isoxazoline‐5‐spiro Derivatives. Part 5. Diastereofacial Selectivity in the Cycloaddition of Substituted Five‐Membered Cyclic Nitrones and Methylenecyclopropanes. Stereoselective Synthesis of 3,5‐Substituted Indolizidinones.
Authors: CORDERO F. M. , BRANDI A. , QUERCI C. , GOTI A. , DE SARLO F. , GUARNA A.
Published: May 2016

The methylenecyclopropanes (I) react with the nitrones (II) to give the 1,3‐dipolar cycloadducts (III) ‐ (VI) with high diastereofacial selectivity.
ChemInform Abstract: Methyl 2‐Benzoylamino‐3‐dimethylaminopropenoate in the Synthesis of Heterocyclic Systems. An Attempt to Prepare Benzoylamino Substituted Azolo‐ and Azinopyrimidines with a Bridgehead Nitrogen Atom.
Authors: STANOVNIK B. , VAN DE BOVENKAMP H. , SVETE J. , HVALA A. , SIMONIC I. , TISLER M.
Published: May 2016

The ester (II) is introduced as a new reagent for the preparation of fused pyrimidinones.
ChemInform Abstract: Vinamidine Boron Chelate Compounds.
Authors: KUHN N. , KUHN A. , SPEIS M. , BLAESER D. + , BOESE R.
Published: May 2016

The chelate compound (III) (space group C2/c, Z=4) on protonation gives (IV) (P1, Z=2).
ChemInform Abstract: Compounds Involving the 1,3‐Dimethyl‐1,3,2‐diazaphosphetidin‐4‐one Framework: Synthesis of 1,3‐Dimethyl‐1,3,2‐diazaphosphetidin‐4‐one 2‐Oxide Derivatives.
Authors: BREKER J. , SCHMUTZLER R.
Published: May 2016

The diazaphosphetidinone 3‐oxide derivatives (II) can be obtained by means of three different methods: oxidation of the corresponding diazaphosphetidinone using NO2 (formation of (IIa) and (IIb)) or (Me3SiO)2 ((IIc), (IId)), or reaction of N,N'‐dimethylurea (IV) with corresponding phosphoric dichlorides in the presence of NEt3 ((IIe), (IIf)).
ChemInform Abstract: Complexes of 1,3,8,10‐Tetraethyl‐1,2,3,4‐tetrathiocino(5,6‐d; 7,8‐d′)diimidazole‐2,9‐dithione (Et4todit) with Group IIb Metal Halides. Crystal and Molecular Structure of (Cd(II)Et4toditCl2)n.
Authors: BIGOLI F. , PELLINGHELLI M. A. , DEPLANO P. , TROGU E. F.
Published: May 2016

IR spectral results show that the ligand binds via its thionic S atoms in all the synthesized polymeric compounds (III) and the low frequence spectrum of the Cd compounds is different from those of the other ones which all are very similar and consistent with a tetrahedral geometry.
ChemInform Abstract: Synthesis and Properties of a New Polymetallated Iron Porphyrin.
Authors: TOMA H. E. , ARAKI K.
Published: May 2016

The title complex (I) is isolated on reacting tetrakis(4‐pyridyl)porphinatoiron acetate in HCl with aqueous ethylenediaminetetraacetato‐aquo‐ruthenate in a molar ratio of 1:4 followed by addition of NaOH (yield not given) and investigated by electronic spectroscopy and cyclic voltammetry.
ChemInform Abstract: Synthesis of Some (1,2‐Bis(alkoxycarbonyl)ethyl)ruthenium(II) Complexes and Their Catalytic Activities for cis‐trans Isomerization of Dialkyl Maleates.
Authors: HIRAKI K. , OCHI N. , TAKAYA H. , FUCHITA Y. , SHIMOKAWA Y. , HAYASHIDA H.
Published: May 2016

The obtained insertion products (III) are converted into the binuclear complexes (IV) and (V) by refluxing in dioxane or toluene, respectively.
ChemInform Abstract: Transition‐Metal Complexes with Sulfur Ligands. Part 50. Sulfur Bond Cleavage in Organosulfur Ligands Induced by PPh3/NO Substitution Reactions at (Ru(PPh3)2(“L4”)) Centers (“L4”: 1,2‐Bis((2‐mercaptophenyl)thio)ethanate(2‐), 1,2‐Bis((3,5‐di‐tert.‐butyl‐2‐mercaptophenyl)thio)ethanate(2‐)). Synthesis and Reactions of Various (Vinylthio)arenethiolate and Related (Ru(NO)(Y)(“L4”)) (Y: PPh3, Cl) Complexes. X‐Ray Structure Analysis of Nitrosyl(triphenylphosphine)(1,2‐benzenedithiolato)(1‐(vinylthio)‐2‐benzenethi
Authors: SELLMANN D. , BARTH I. , KNOCH F. , MOLL M.
Published: May 2016

The substitution of one phosphine in (I) is coupled with S‐C bond cleavage.
ChemInform Abstract: Steroids. Part 42. Configurational Analysis of 3‐Methoxy‐16‐methylestra‐1,3,5(10)‐trien‐17‐ol Derivatives.
Authors: MESKO E. , SCHNEIDER G. , DOMBI G. , ZEIGAN D.
Published: May 2016

The four possible isomers of 16‐hydroxymethyl‐3‐methoxy‐estra‐1,3,5(10)‐trien‐17‐ol are converted to their 16‐tosyloxymethyl derivatives according to a well known procedure.
ChemInform Abstract: A Short Large Scale Synthesis of (.+‐.)‐Sarkomycin Esters.
Authors: AMRI H. , RAMBAUD M. , VILLIERAS J.
Published: May 2016

The acrylates (I) are dimerized in the presence of hexamethylphosphorous triamide to form the methyleneglutarates (II).
ChemInform Abstract: The Effects of Fluorine Atoms in High‐Dose Arsenic or Phosphorus Ion Implanted Silicon.
Authors: KATO J.
Published: May 2016

It is demonstrated that additional fluorine ion implantation of highly doped n‐type Si reduces the diffusion enhancement of As and P at low temp. and the formation of extrinsic defects.
ChemInform Abstract: Continuous Growth of Low‐Temperature Si Epitaxial Layer with Heavy Phosphorus and Boron Doping Using Photoepitaxy.
Authors: YAMAZAKI T. , MINAKATA H. , ITO T.
Published: May 2016

p+‐n+ Silicon epitaxial layers heavily doped with phosphorus and boron are continuously grown at 650 °C by low temp. photoepitaxy (UV photodissociation of Si2H6; PH3 and B2H6 as doping sources; H2 carrier gas).
ChemInform Abstract: A Novel Selective Heteroepitaxial Growth Method of InP on GaAs by Metall‐Organic Vapor Phase Epitaxy
Authors: WAKAHARA A. , PAK K. , SATO T. , YONEZU H. , YOSHIDA A.
Published: May 2016

using trimethylindium, trimethylgallium, diethylarsine, and PH3 as sources is described.
ChemInform Abstract: The Evolution of Silicon Wafer Cleaning Technology
Authors: KERN W.
Published: May 2016

Review: (70 refs.
ChemInform Abstract: Extended X‐Ray Absorption Fine Structure Study of Polynuclear Cationic Selenium Clusters.
Authors: MANTEGHETTI A. , ROZIERE J. , SEIGNEURIN A.
Published: May 2016

EXAFS results obtained for solutions of selenium in H2SO4·30% SO3 show the coexistence of the homopolynuclear species Se42+ and Se82+; their geometries and Se‐Se distances are determined and compared with those determined for solid Se4(AlCl4)2 and Se8(AlCl4)2.
ChemInform Abstract: Nuclear Magnetic Resonance Study of the Dealumination of an Amorphous Silica‐Alumina Catalyst.
Authors: MAN P. P. , PELTRE M. J. , BARTHOMEUF D.
Published: May 2016

The dealumination (aqueous HCl) of amorphous SiO2‐Al2O3 containing 14% Al2O3 is studied by 29Si MAS NMR and 27Al NMR.
ChemInform Abstract: In situ Photodegradation of SnBr2
Authors: FORCE R. K. , FESSEHAIE M. G. , GROSSO R. P. , LALIBERTE J. M. , MCCLAIN S. , WILLIS W. S. , SUIB S. L.
Published: May 2016

is studied by XPS, residual gas analysis, photogravimetric analysis, and TGA.
ChemInform Abstract: Electron Transfer to Ozone: Outer‐Sphere Reactivities of the Ozone/Ozonide and Related Non‐Metal Redox Couples.
Authors: BENNETT L. E. , WARLOP P.
Published: May 2016

The reduction of ozone in aqueous solution using hexachloroiridate(III) as reductant (net reaction see scheme) obeys the rate law d(IrCl62‐)/dt = 2 k(O3)(IrCl63‐) with k = 1.7·104 M‐1 s‐1 The initial step of this process appears to be an outer‐sphere electron transfer from IrCl63‐ to O3, followed by rapid protonation of O3‐ and oxidation of a second IrCl63‐ by HO3 or OH.
ChemInform Abstract: Photochemistry of Semiconductor Surfaces: in situ Photoreduction of SnS2.
Authors: FORCE R. K. , FESSEHAIE M. G. , GROSSO R. , MCCLAIN S. , WILLIS W. S. , SUIB S. L.
Published: May 2016

The photoreduction of SnS2 is studied by XPS, residual gas analysis, photogravimetric analysis, and TGA.
ChemInform Abstract: New Synthetic Routes to S4N4 and S7NH. Reaction of Li3N with S3N3Cl3 and SCl2.
Authors: PARKIN I. P. , WOOLLINS J. D.
Published: May 2016

The driving force for the new convenient synthesis of S4N4, shown in the scheme, is the formation of LiCl accompanied by N2 evolution.
ChemInform Abstract: The Layered, Metallic Scandium Iodide Sc0.93I2: Synthesis, Structure, and Properties.
Authors: MCCOLLUM B. C. , DUDIS D. S. , LACHGAR A. , CORBETT J. D.
Published: May 2016

The title compound can be prepared in quantitative yield by reaction of liquid or gaseous ScI3 with excess metal in the temp. range 550‐870 °C. Large black hexagonal plate crystals are formed via an autogeneous vapor phase transport process (probably via gaseous ScI2).