bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Equilibrium Between (η1‐Phosphaallyl)‐ and (η3‐Phosphaallyl)tungsten Complexes.
Authors: MERCIER F. , MATHEY F.
Published: May 2016

Photolysis of the vinylphosphine (I) with the tungsten hydride (II) yields the phosphido complex (III) with a P‐W double bond.
ChemInform Abstract: Chelate Ring Opening and Metal Ion Relocation Leading to the Formation of a Luminescent AuIIrIAuI Chain Complex.
Authors: BALCH A. L. , CATALANO V. J. , OLMSTEAD M. M.
Published: May 2016

The reaction of the monomeric Ir(I) complex (III) (space group Pbnb, Z = 8) containing bidentate bis(diphenylphosphinomethyl)phenylarsine ligands with the Au(I) chloride (IV) occurs with the unexpected opening of the little strained six‐membered chelate rings and bond reorganization to give the chain complex (V) (P1, Z=4).
ChemInform Abstract: Inter‐ and Intramolecular Hetero Diels‐Alder Reactions. Part 28. Iridoids. Part 25. Synthesis of (.+‐.)‐Secologanin Aglucone O‐Ethyl Ether and Derivatives by Tandem Knoevenagel Hetero Diels‐Alder Reaction.
Authors: TIETZE L. F. , MEIER H. , NUTT H.
Published: May 2016

Tandem Knoevenagel hetero Diels‐Alder reaction of the aldehyde (I), the malondialdehyde derivative (II) and the enol ether (IV) gives the secologanin derivative (VIa).
ChemInform Abstract: Structure of the Valenciaxanthins and Valenciachromes.
Authors: MAERKI‐FISCHER E. + , EUGSTER C. H.
Published: May 2016

Valenciaxanthin (Ia) and its all‐E isomer (Ib), a minor component, are isolated from fresh Spanish "Navelinas".
ChemInform Abstract: Design and Synthesis of Novel Opiate Antagonists with LH‐Stimulating Properties.
Authors: REVESZ L. , SIEGEL R. A. , BUESCHER H.‐H. , MARKO M. , MAURER R. , MEIGEL H.
Published: May 2016

Opiate antagonists stimulate the release of LH (luteinizing hormone) and might, therefore, contribute to an innovative therapy for the treatment of numerous clinical syndromes characterized by hypofunction of the hypothalamo‐hypophyseal‐gonadal axis.
ChemInform Abstract: Synthesis of 9‐epi‐Mitomycin B: The First Inversion of the C‐9 Stereochemistry in Mitomycin B.
Authors: KASAI M. , KONO M. , SHIRAHATA K.
Published: May 2016

9‐epi‐Mitomycin B (XII) is synthesized from mitomycin B (I) as outlined in the reaction scheme.
ChemInform Abstract: Solid Ceramic Fibers via Impregnation of Activated Carbon Fibers.
Authors: CARD R. J. , O'TOOLE M. P.
Published: May 2016

It is demonstrated that silica, titania, and lead zirconate titanate fibers can be prepared by impregnation of activated carbon fibers which are porous throughout their entire diameter with metal‐containing solutions (SiCl4, Si(OEt)4, TiCl4, Pb(OAc)2·3 H2O, Ti(OBu)4, Zr(OEt)4) and subsequent calcination and sintering.
ChemInform Abstract: Variable Photon Energy Photoelectron Spectroscopy on FeCl‐ 4: An Unusual Electronic Structure for High‐Spin d5 Complexes.
Authors: BUTCHER K. D. , DIDZIULIS S. V. , BRIAT B. , SOLOMON E. I.
Published: May 2016

The PES spectra obtained for CsFeCl4 over the energy range 25‐150 eV show intensity changes in the valence band features which indicate that more metal character is present in the deepest bonding levels.
ChemInform Abstract: Vibrational Spectra and Normal Coordinate Analysis of Chloro‐Bromo‐Osmates(IV), (OsClnBr6‐n)2‐, n = 0‐6.
Authors: PREETZ W. , IRMER K.
Published: May 2016

The IR and Raman spectra of the ten (OsClnBr6‐n)2‐ (n = 0‐6) anions including the geometrical isomers for n = 2, 3, 4 are recorded at 80 K and completely assigned according to the point groups Oh, D4h, C4v, C3v, and C2v. In all asym.
ChemInform Abstract: The Oxidation and Crystallization Behavior of Amorphous Ni64Zr36 Alloy
Authors: MACIEJEWSKI M. , BAIKER A.
Published: May 2016

in air is investigated in the temp. range 570‐750 K using thermoanalytical methods and XRD.
ChemInform Abstract: New Orthophosphates NaM′IIIM′′V(PO4)3 with Nasicon‐Type Structure.
Authors: BENNOUNA L. , LEE M.‐R. , BROCHU R. , QUARTON M.
Published: May 2016

The 12 orthophosphates (V) all crystallize in the trigonal space group R3c and are isomorphous with NaZr2(PO4)3.
ChemInform Abstract: Photochemistry of Cyano‐ and Dicyanoacetylene at 193 nm.
Authors: HALPERN J. B. , PETWAY L. , LU R. , JACKSON W. M. , MCCRARY V. R. , NOTTINGHAM W.
Published: May 2016

The main channel in the monophoton reaction of (I) leads to (II) (branching ratio 20:1).
ChemInform Abstract: Photochemical Decomposition of Energetic Materials: Observation of Aryl Benzyloxy Nitroxide and Aryl Benzyl Nitroxide Radicals in Solutions of 1,3,5‐Trinitrobenzene and Toluene and Their Deuteriated Analogues at 200 K.
Authors: MENAPACE J. A. , MARLIN J. E.
Published: May 2016

ESR studies show the prim. radical (III) to be a precursor of the sec. radical (IV) in both photochemical or thermal decomposition.
ChemInform Abstract: The Autoxidation of Hept‐3‐yne.
Authors: BROSE TH. , PRITZKOW W. , SEBALD F. , VOERCKEL V.
Published: May 2016

In continuation of previous work the title reaction is examined.
ChemInform Abstract: A New Photochemical Method for Selective Fluorination of Organic Molecules.
Authors: WANG C. M. , MALLOUK T. E.
Published: May 2016

Fluorination is performed according to A) or, if HF is one of the reaction products, according to B).
ChemInform Abstract: Homocoupling of Alkyl Halides and Cyclization of α,ω‐Dihaloalkanes with Activated Copper.
Authors: GINAH F. O. , DONOVAN T. A. JUN. , SUCHAN S. D. , PFENNIG D. R. , EBERT G. W.
Published: May 2016

The homocoupling reaction of allyl or benzyl halides (I) is catalyzed by an activated Cu(0) complex, yielding the dimers (II), and in the case of benzyl chloride (Ib), the reduced monomer (IIIb).
ChemInform Abstract: Regiospecific Synthesis of Aza‐β‐lactams from Diaziridines.
Authors: ALPER H. , DELLEDONNE D. , KAMEYAMA M. , ROBERTO D.
Published: May 2016

1,3‐Diazetidinones such as (III) are obtained by palladium‐catalyzed carbonylation of the diaziridines (I) having one substituent attached to the ring carbon atom.
ChemInform Abstract: Potential Antipsychotic Agents. Part 8. Antidopaminergic Properties of a Potent Series of 5‐Substituted (‐)‐(S)‐N‐((1‐Ethylpyrrolidin‐2‐yl)methyl)‐2,3‐dimethoxybenzamides. Synthesis via Common Lithio Intermediates.
Authors: HOEGBERG T. + , STROEM P. + , HALL H. , OEGREN S. O. +
Published: May 2016

The affinity of the title compounds, e.g. (V), for the dopamine D‐2 receptor is assessed by the inhibition of spiperone‐3H‐binding in rat membranes in vitro.
ChemInform Abstract: Preparation of the Parent Heterocycles, 1,4,2‐Dithiazole‐5‐thione, 1,4,2‐Dithiazol‐5‐one, and the 1,4,2‐Dithiazolium Cation.
Authors: WAI K.‐F. , SAMMES M. P.
Published: May 2016

The first syntheses of the title parent heterocycles (VI), (VII) and (IX) are reported, using a simple starting material (I) and common reagents.
ChemInform Abstract: Studies on Uracils. Part 10. A Facile One‐Pot Synthesis of Pyrido‐(2,3‐d)‐ and Pyrazolo(3,4‐d)pyrimidines.
Authors: BHUYAN P. , BORUAH R. C. , SANDHU J. S.
Published: May 2016

The reaction of the aminouracils (I) with the strongly electrophilic olefines (II) yields the pyridopyrimidines (III).
ChemInform Abstract: Novel Benzo Crown Ether Cavitand and Benzo Crown Ether‐Ferrocenyl Host Molecules That Bind Bipyridinium and Sodium Guest Cations.
Authors: BEER P. D. , TITE E. L. , IBBOTSON A.
Published: May 2016

Resorcinol (I) and 4‐formylbenzo‐15‐crown‐5 (II) undergo acid‐catalyzed cyclization to form the macrocycle (III) which is esterified with the acid chlorides (IV) in the presence of a base, producing the octakiscarboxylates (V).
ChemInform Abstract: Synthesis and Characterization of a Technetium(III) Nitrosyl Compound: Tc(NO)(Cl)(SC10H13)3.
Authors: DE VRIES N. , COOK J. , DAVISON A. , NICHOLSON T. , JONES A. G.
Published: May 2016

Starting with (I) in the presence of the guanidine compound as a proton sponge the diamagnetic, the neutral title complex (III) is obtained in which the nitrosyl group and one chloride are retained (space group C2/c, Z = 8).
ChemInform Abstract: Synthesis of New Carboxylate‐ and Phosphinate‐Bridged Ruthenium(I) Dimers.
Authors: BOHLE D. S. , VAHRENKAMP H.
Published: May 2016

The preparative methods described represent a convenient and probably general entry into dimers of Ru(I) and possibly Os(I).
ChemInform Abstract: Halochromic Molecules. Part 9. Substituted 6,11‐Dihydrospiro((1)benzopyrano(4,3‐b)indol‐6,9′‐9′H‐xanthene)‐2′,6′‐diamines and Their Aza Analogues: New Chromogenes for Black Images.
Authors: GUNZENHAUSER S. , BALLI H.
Published: May 2016

A series of ca. 20 members of the title compounds such as (III) and (IV) are prepared using a known one‐pot procedure as shown for (III).
ChemInform Abstract: Gibberellins. Part 122. Partial Synthesis of 13‐Carboxypropionylgibberellin A3 Methyl Ester and Application in Immunogen Synthesis.
Authors: LISCHEWSKI M. , KNOEFEL H.‐D. +
Published: May 2016

The title compound (I) is prepared by derivatization of parent gibberellin A3.
ChemInform Abstract: A Short Asymmetric Synthesis of Anthracycline Antibiotics.
Authors: TOMIOKA K. , NAKAJIMA M. , KOGA K.
Published: May 2016

The acetyldihydronaphthalene derivatives (I) are converted into the 1,2‐diol (II) by treatment with osmium tetroxide in the presence of a chiral diamine, followed by reductive hydrolysis.
ChemInform Abstract: Specific Heat and Magnetic Ordering in CuO Single Crystals.
Authors: GMELIN E. , BRILL W. , CHATTOPADHYAY T.
Published: May 2016

Cp measurements on monocrystalline CuO between 1.8 and 1000 K show no substantial difference with respect to powdered material.
ChemInform Abstract: The Chemistry of Simple Ceramic Glazes. Part 1. 57Fe Moessbauer Studies of Iron‐Containing Glazes and Glasses.
Authors: ALI N. J. , GILLESPIE P. A. , MCWHINNIE W. R.
Published: May 2016

A simple feldspathic glaze (∼54% K2O·Al2O3·6 SiO2) which contains iron (added as Fe(COO)2·2 H2O) as coloring agent is studied by 57Fe Moessbauer spectroscopy.
ChemInform Abstract: Quaternary Chalcogenide‐Halide Systems.
Authors: BLACHNIK R. , LYTZE K.
Published: May 2016

The phase diagrams of the systems AgCl‐HgS and CuCl‐HgS are determined by using powder XRD and thermal methods (DTA, DSC).
ChemInform Abstract: Chevrel Phase Type Compounds: Electronic, Chemical and Structural Factors in Oxygen Reduction Electrocatalysis.
Authors: JAEGERMANN W. , PETTENKOFER C. , VANTE N. A. , SCHWARZLOSE TH. , TRIBUTSCH H.
Published: May 2016

The electrocatalytic activities of Mo6Se8, Mo4Ru2Se8, and Mo2Re4Se8 for the reduction of O2 in acidic medium are determined and the results are correlated with electronic and structural factors as determined by UPS and XPS.
ChemInform Abstract: The Photochemical Decomposition of RuO4
Authors: ZIMMERMAN G. L. , RIVIELLO S. J. , GLAUSER T. A. , KAY J. G.
Published: May 2016

is studied as a function of wavelength using irradiation with a constant‐intensity mercury arc lamp (isolation of lines with filters) or flash photolysis and kinetic absorption spectroscopy (xenon flash lamp, liquid solution filters).
ChemInform Abstract: Multiple 1,2‐O,O‐Shift of tert.‐Butyldiphenylsilyl Groups in Polyols.
Authors: MULZER J. , SCHOELLHORN B. +
Published: May 2016

Polyols possessing one bulky Tbdps protecting group on base treatment can undergo multiple 1,2‐O,O‐shift of the bulky Tbdps group with a preference for the primary positions.
ChemInform Abstract: Allene/Haloolefin Electrocyclic Reactions: A New Route to Stable Triarylmethyl Radicals.
Authors: PORTER N. A. , HOGENKAMP D. J. , KHOURI F. F.
Published: May 2016

Treatment of alkyne (I) with either refluxing EtOH/NEt3 or DABCO/Hg followed by air oxidation leads to compounds (IV) and (VI) + (VII), respectively, thus indicating the intermediate formation of radical (III) via allene (II).
ChemInform Abstract: Oxodiperoxymolybdenum (Pyridine)‐1,3‐dimethyl‐3,4,5,6‐tetrahydro‐2(1H)‐pyrimidinone (MoO5·Py·DMPU): A Safer Alternative to MoOPH for the α‐Hydroxylation of Carbonyl Compounds.
Authors: ANDERSON J. C. , SMITH S. C.
Published: May 2016

Oxidation of molybdenum trioxide (I) with hydrogen peroxide, followed by treatment with the dimethyltetrahydropyrimidinone (II) yields the complex (III) which is converted into the stable complex (V) by dehydration and reaction with pyridine (IV).
ChemInform Abstract: Reductive Alkylation of Enamines with Chloromethyl p‐Tolyl Sulfone via a Radical Chain Process.
Authors: RENAUD P. , SCHUBERT S.
Published: May 2016

The chloromethyl sulfone (I) reacts under radical conditions with the β‐unsubstituted or cyclic enamines (II) or (IV) to give the products of reductive alkylation (III) or (V).
ChemInform Abstract: A Michael Addition and Alkylation Sequence Using Methyl 2‐(Trimethylsilyl)propenoate. Stereoselective Synthesis of α‐Silyl Esters.
Authors: TANAKA J. , KANEMASA S. , NINOMIYA Y. , TSUGE O.
Published: May 2016

The reaction of organolithiums, e.g. (I) or (V), with the title compound (II) leads to 1:1 adducts with high stereoselectivity.
ChemInform Abstract: Asymmetric Cyclization Reactions by Rh(I) with Chiral Ligands.
Authors: TAURA Y. , TANAKA M. , FUNAKOSHI K. , SAKAI K.
Published: May 2016

The γ,δ‐unsaturated aldehydes (I), (III), and (VI) undergo ring closure upon treatment with chiral rhodium(I) phosphine complexes to form the cyclopentanones (‐)‐(II), (IV) and (V), or (VII) and (VIII).
ChemInform Abstract: Palladium(II)‐Catalyzed Alkoxylation and Acetoxylation of Alkenes.
Authors: HOSOKAWA T. , SHINOHARA T. , OOKA Y. , MURAHASHI S.
Published: May 2016

The vinylic ketones (II), (IV), and (VI) are alkoxylated with the alcohols (Ia) ‐ (Ie) or acetoxylated with acetic acid (If) in the presence of a palladium(II) catalyst, yielding the alk(acet)oxyethyl ketones (III), (V), and (VII) respectively.
ChemInform Abstract: A New Methodological Approach to Anthraquinone and Anthracyclinone Synthesis.
Authors: SARTORI G. , CASNATI G. , BIGI F. , FOGLIO F.
Published: May 2016

A new general methodology for the anthraquinone and anthracyclinone synthesis is developed.
ChemInform Abstract: Reaction of 2,3‐Dihydro‐1,4‐benzodithiin and 2,3‐Dihydro‐1,4‐benzoxathiin with Sodium Methoxide.
Authors: SATOH Y. , KURODA C. , YAMADA T. , SUKEKAWA M. , YAMADA Y. , TAKAHASHI T. T.
Published: May 2016

2,3‐Dihydro‐1,4‐benzodithiin (I) and the corresponding 2,3‐dihydro‐1,4‐benzoxathiin (V) are treated with sodium methoxide (II) to form the intermediate salts (III) and (VI) due to cleavage.
ChemInform Abstract: Synthesis of Enantiomerically Pure 2,4‐trans‐Substituted 3‐Arenesulfonyl‐1,3‐oxazolidines by Lewis Acid Mediated Substitution of the 2‐Methoxy Derivatives and Their Epimerization.
Authors: CONDE‐FRIEBOES K. , HOPPE D.
Published: May 2016

Cyclization of the N‐hydroxyalkyltoluenesulfonamides (I) with trimethyl orthoformate (II) yields the 2‐methoxy‐1,3‐oxazolidines (III) which are coupled with the allylsilane (IV) or the silyl enol ethers (VII) to form the 2‐substituted oxazolidines (V) and (VI) or (VIII) and (IX) in general with the predominance of the trans‐diastereomers (V) and (VIII) respectively.
ChemInform Abstract: Pyrylium Compounds. Part 43. Aryl‐substituted 5‐(2‐Dialkylamino‐thiazol‐5‐yl)pentadienones from 2,4,6‐Triarylpyrylium Salts and 2‐Dialkylamino‐4‐aryl‐thiazoles.
Authors: ZIMMERMANN T. , FISCHER G. W. , TELLER J. , DEHNE H. , OLK B.
Published: May 2016

The salts (I) or (IV) react with thiazoles such as (II) (used in substance or prepared in situ from thiocyanates such as (VI)) in the presence of an appropriate acid binding agent (e.g.
ChemInform Abstract: Asymmetric Synthesis. Part 20. Preparation of a Novel Spiropiperidine System by the CN (R,S) Method.
Authors: ZHU J. , QUIRION J.‐C. , HUSSON H.‐P.
Published: May 2016

The fused oxazolidine (I) is alkylated with the bromoethyldioxolane (II) to produce the derivative (III).
ChemInform Abstract: Chemotherapeutic Agents. Part 12. Synthesis of Pyrimidines and Fused Pyrimidines as Leishmanicides and Herbicides.
Authors: RAM V. J.
Published: May 2016

A large variety of bicyclic and tricyclic heterocycles are prepared starting from the readily available pyrimidine (III); some of the reactions performed are shown in the scheme.
ChemInform Abstract: Synthesis of New Diaza‐N‐Pivot Lariat 15‐Crown‐5 and 18‐Crown‐6 Macrocycles.
Authors: BRADSHAW J. S. , KRAKOWIAK K. E. , AN H. , IZATT R. M.
Published: May 2016

The synthesis of the title compounds (IV) and (VII) is accomplished using the components (I), (II) and (V) or (VI) as building units.
ChemInform Abstract: Strong C‐Sn Hyperconjugation in a Distannylmethyleneborane.
Authors: PILZ M. , MICHEL H. , BERNDT A.
Published: May 2016

NMR spectroscopy is used to demonstrate C‐Sn hyperconjugation in the compound (II), which is prepared by a cycloreversion reaction of (I).
ChemInform Abstract: Preparation of Novel Selenacrown Ethers and Their Complexing Abilities with Transition Metal and Heavy Metal Cations.
Authors: KUMAGAI T. , AKABORI S.
Published: May 2016

α,α'‐Diselenocyanato‐o‐xylene (I) reacts with 1,3‐dibromopropane (II) in dry tetrahydrofuran to give the benzodiselenonin (III) and the dibenzotetraselenacyclooctadecin (IV) Similarly, the selenacrown ethers (V) and (VI) are prepared.
ChemInform Abstract: The Chemistry of Niobium and Tantalum Dithiocarbamato‐Complexes. Part 2. Trimethylhydrazido(1‐)‐Complexes: The Reactivity and X‐Ray Crystal Structure of Cyclic (Ta(NMeNMe2)(S2CNEt2)3)Br·CHCl3.
Authors: O'FLAHERTY F. P. , HENDERSON R. A. , HUGHES D. L.
Published: May 2016

In order to complement studies on the reactivity of nitrogenous residues bound to dithiocarbamato‐niob or ‐tantalum sites, the complexes (III), (V) and (VII) are prepared.
ChemInform Abstract: Ruthenium Compounds Containing Pyridyltriazines with Low‐Lying π* Orbitals.
Authors: HAGE R. , VAN DIEMEN J. H. , EHRLICH G. , HAASNOOT J. G. , STUFKENS D. J. , SNOECK T. L. , VOS J. G. , REEDIJK J.
Published: May 2016

In order to obtain more insight into the properties of Ru complexes with pyridyltriazines, the new compounds (I) and (II) are prepared (60‐80% yield) by refluxing Ru(bipy)2Cl2 or RuCl3 and ascorbic acid and the appropriate ligand in ethanol.
ChemInform Abstract: Preparation and Characterization of (Pt(SeSN2)(PR3)2), (Pt(Se2N2)(PR3)2), (Pt(SeSN2H)(PR3)2)BF4, and (Pt(Se2N2H)(PR3)2)BF4.
Authors: PARKIN I. P. , WOOLLINS J. D.
Published: May 2016

20 examples of the title compounds are prepared as demonstrated for (III), (VII) and (VIII).
ChemInform Abstract: Base‐Induced and ‐Directed Rearrangements of 4‐Monotosylated Perhydronaphthalene‐1,4‐diols. Synthesis of (.+‐.)‐5‐epi‐Nardol.
Authors: WIJNBERG J. B. P. A. , JENNISKENS L. H. D. , BRUNEKREEF G. A. , DE GROOT A.
Published: May 2016

Base‐induced rearrangement of the decalol tosylates (Ia) and (Ib) produces predominantly the exocyclic alkenes (IIa) and (IIb), whereas analogous treatment of the derivatives (Ic) and (Id) gives only dissatisfactory results.
ChemInform Abstract: Facile Synthesis of a β(1‐3)‐Linked gal‐galactal Disaccharide and Its Use in N‐Iodosuccinimide‐Activated O‐Glycopeptide Synthesis.
Authors: KESSLER H. , KLING A. , KOTTENHAHN M.
Published: May 2016

Starting with the bromide (I), the synthesis of the title disaccharide glycal (IV) is described in four steps with an overall yield of 21%.
ChemInform Abstract: Novel Synthesis of Vinblastine Derivatives. Part 5. Concept and Studies of the Synthesis of 20′‐Deethyl‐20‐deoxy‐C′‐homovinblastine ‐ Octahydro‐3H‐azecino(5,4‐b)indole Derivatives.
Authors: SCHILL G. , PRIESTER C. U. , WINDHOEVEL U. F. + , FRITZ H.
Published: May 2016

A concept for the synthesis of a C'‐homovinblastine derivatives is presented, and potential intermediates (IXb) and (XI) pointing to this goal are prepared as shown in the scheme.
ChemInform Abstract: Transformation of Uridine Derivatives into Cytidines via Selective Amination.
Authors: KRUG A. , SCHMIDT S. , LEKSCHAS J. , LEMKE K. , CECH D.
Published: May 2016

With a view to the biological activity of cytidine derivatives the title compounds, e.g. (V), are synthesized.
ChemInform Abstract: Superconductivity and Superconductors. Basic Concepts and Properties
Authors: IVANOV V. A.
Published: May 2016

Review: (92 refs.
ChemInform Abstract: Studies on the Formation of Magnetite Colloidal Dispersions in the Presence of Poly(vinyl alcohol)
Authors: YOKOI H. , YAGISHITA K. , NAKANISHI Y.
Published: May 2016

(PVA).
ChemInform Abstract: Role of Charge Transfer and Spin‐Orbit Coupling in Fluorescence Quenching. A Case Study with Oxonine and Substituted Benzenes.
Authors: FOELL R. E. + , KRAMER H. E. A. , STEINER U. E.
Published: May 2016

Fluorescence quenching of oxonine (I) in MeOH is investigated by means of a computerized dye laser flash spectrometer for the ΔG°et dependence of the quenching rate constant and the efficiencies of induced dye triplet formation, reduced dye radical formation, and induced internal conversion.
ChemInform Abstract: Molecular Interactions Between Arylazopyridines and N‐Hydroxyindoles.
Authors: BRUNI P. , CARDELLINI L. , CONTI C. , GIORGINI E. , TOSI G.
Published: May 2016

The formation of molecular complexes is examined which happens between the arylazopyridine N‐oxides (I) and the "dimer" (II).
ChemInform Abstract: Stereocontrol in Horner‐Wadsworth‐Emmons Condensations of a gem‐Dimethylcyclopropyl Aldehyde with α‐Substituted Phosphono Acetates.
Authors: HAMMOND G. B. , BLAGG COX M. , WIEMER D. F.
Published: May 2016

The cyclopropanecarbaldehyde (II), obtained by ozonolysis of (+)‐2‐carene, is sensitive towards oxygen and bases.
ChemInform Abstract: Palladium‐Catalyzed Carbonyl Allylation of Diketo Compounds by Allylic Alcohols with SnCl2.
Authors: MASUYAMA Y. , TSUNODA T. , KURUSU Y.
Published: May 2016

Using 1,3‐dimethyl‐2‐imidazolidinone as the solvent, the 1,2‐diketones (I) undergo palladium‐catalyzed allylation with allyl alcohol in the presence of tin dichloride, yielding mainly the diallylation products (IV) and/or (V).
ChemInform Abstract: Photodecarboxylation of Unmodified Carboxylic Acids with Use of Aza Aromatic Compounds.
Authors: OKADA K. , OKUBO K. , ODA M.
Published: May 2016

The carboxylic acids (I) are photochemically decarboxylated in the presence of tert‐butylmercaptan and acridine (II) or phenanthridine (VII) to yield mainly the parent hydrocarbons (III).
ChemInform Abstract: Competing Radical, Carbanion and Carbene Intermediates in the Reaction of a Primary Alkyl Halide with Lithium Diisopropylamide.
Authors: ASHBY E. C. , PARK B.
Published: May 2016

The product (II) is formed via a radical intermediate, the product (III) via a carbene and a carbanion intermediate and the products (IV)‐(VI) via carbene intermediates.
ChemInform Abstract: Nucleophilic Addition to Tricarbonyliron(0) Complexes of 1‐Aza‐1,3‐dienes and the Production of Pyrroles.
Authors: DANKS T. N. , THOMAS S. E.
Published: May 2016

The synthesis of a number of novel tricarbonyl(1‐aza‐1,3‐diene)iron(0) complexes such as (III) and (IV) is described.
ChemInform Abstract: Cleavage Reactions of 4‐Thiazolidinone‐2‐thiones: Synthesis and Reactions of New 1,2,4‐Triazoles and Their Biological Activities.
Authors: EAD H. A. , METWALLI N. H.
Published: May 2016

Reaction of 5‐phenylhydrazono‐2‐thioxo‐4‐thiazolidinone (I) with hydrazine hydrate (II) leads to the formation of the triazolethione (III).
ChemInform Abstract: Synthesis and Tuberculostatic Activity of 4‐Amino‐3‐acylvinylthio‐1,2,4‐triazoles.
Authors: GLOTOVA T. E. , NAKHMANOVICH A. S. , ALEKSANDROVA A. E. , SHCHEGOLEVA R. A. , VINOGRADOVA T. I.
Published: May 2016

The mercaptotriazoles (I) react with the acylacetylenes (II) to give the acylvinylthiotriazoles (III).
ChemInform Abstract: New Applications of Westphal Condensation. Synthesis of New (2.3.3)Cyclazinones.
Authors: PASTOR J. , PAZ MATIA M. , GARCIA NAVIO J. L. , VAQUERO J. J. , ALVAREZ‐BUILLA J.
Published: May 2016

Westphal condensation of the pyridinium salts (III), obtained by N‐alkylation of the pyridines (I) with ethyl bromoacetate (II), with 1,2‐acenaphthenequinone (IV) produces the cyclazinones (V) which are isolated as the bromides (VI).
ChemInform Abstract: Preparation and Cyclization of 3‐Substituted 1‐(2‐Cyanophenyl)thioureas.
Authors: PAZDERA P. , ONDRACEK D. , NOVACEK E.
Published: May 2016

The addition reaction of the primary amino compounds (II) to 2‐isothiocyanatobenzonitrile (I) yields the thioureas (III) which are cyclized upon heating to form the tetrahydroquinazolines (IV).
ChemInform Abstract: A Novel Synthesis of Pyrimidobenzodiazepines.
Authors: DLUGOSZ A.
Published: May 2016

The title compounds (VII) are synthesized as shown in the reaction scheme.
ChemInform Abstract: Selective Fluorination of o‐ and m‐Carboranes. Synthesis of 9‐Monofluoro‐, 9,12‐Difluoro‐, 8,9,12‐Trifluoro‐, and 8,9,10,12‐Tetrafluoro‐o‐carboranes and 9‐Monofluoro‐, and 9,10‐Difluoro‐m‐carboranes. Molecular Structure of 8,9,10,12‐Tetrafluoro‐o‐carborane.
Authors: LEBEDEV V. N. , BALAGUROVA E. V. , POLYAKOV A. V. , YANOVSKY A. I. , STRUCHKOV YU. T. , ZAKHARKIN L. I.
Published: May 2016

With the use of SbF5 the electrophilic fluorination of the carboranes (I) and (IV) becomes possible.
ChemInform Abstract: Organo‐Boron Compounds. Part 92. Nitrogen Base ‐ Dialkyl‐1,2,4,3,5‐triselenadiborolanes.
Authors: YALPANI M. , BOESE R. , KOESTER R. +
Published: May 2016

The triselenadiborolanes (I) react with excess N‐bases (pyridine, 3,5‐dimethylpyridine, 3‐chloropyridine, quinuclidine) to form stable 1:2 adducts (70‐96% yield), which in solution exist as mixture of syn/anti‐isomers.
ChemInform Abstract: Synthesis, Molecular Structure, and Dynamic Behavior of 1,3,5‐Triaza‐2,4‐diphospha‐1,4‐pentadienes.
Authors: NIECKE E. , DETSCH R. , NIEGER M.
Published: May 2016

The composition of the desired title compounds (IV) is confirmed by an X‐ray analysis of (IVa) (P1, Z=2) which has "exo‐endo‐S conformation".
ChemInform Abstract: Disproportionation Reactions of the Dimeric Allyliron Compound (η3‐C3H5Fe(CO)3)2; Formation of Novel Cationic η3‐Allylironcarbonyl Complexes.
Authors: GOULIN C. A. , BAIRD M. C.
Published: May 2016

The metal‐metal bonded title dimer (I) disproportionates on treatment with the tert.‐phosphines (II) forming the ionic allyl‐Fe complexes (III).
ChemInform Abstract: Formyltrimethylenemethane(iron) Tricarbonyl as Chiral Synthetic Equivalent of Prenal. Synthesis of (R)‐(‐)‐Ipsdienol.
Authors: FRANCK‐NEUMANN M. , MARTINA D. , HEITZ M.‐P.
Published: May 2016

The racemic aldehyde iron tricarbonyl complex (±)‐(VI) is coupled with the allylic bromide (VII) in the presence of zinc to give the isomeric dienols (IX) and (X) after photolytic decomplexation.
ChemInform Abstract: Synthesis, Characterization and Magnetic Properties in Trinuclear Complexes of Cu(II) Derived from 2‐Hydroxy‐1,3‐propylenebis(oxamato).
Authors: GARCIA A. , COSTA R. , RIBAS J.
Published: May 2016

The trinuclear Cu(II) complexes (IV) and a bipyridyl analogue in which the triamine is replaced by 2,2'‐bipyridyl are synthesized by treating the planar monomeric fragment (I) with an aqueous solution containing a complex formed from Cu(II) perchlorate (II) and the corresponding N donor ligands.
ChemInform Abstract: Palladium‐Assisted Synthesis of a Thromboxane B2 Precursor.
Authors: BASSON M. M. , HOLZAPFEL C. W. , VERDOORN G. H.
Published: May 2016

The key steps in the stereospecific synthesis of the title compound (XI) are the palladium‐mediated transformation of tri‐O‐acetyl‐D‐glucal (I) into the glycoside (III) and coupling of (III) with Meldrum's acid, yielding the lactone (V).
ChemInform Abstract: Support Studies for the Conversion of Actinobolin into Bactobolin.
Authors: UNDERWOOD R. , FRASER‐REID B.
Published: May 2016

The starting material (I) is obtained by transformation of actinobolin.
ChemInform Abstract: New Analogues of Phenoxymethylpenicillin: 2‐Methoxycarbonylphenoxy‐(α,α‐dialkyl)methylpenicillins and ‐cephalosporins.
Authors: MNDZHOYAN SH. L. , KRAMER M. S. , GRIGORYAN M. M. , TER‐ZAKHARYAN YU. Z. , AGABABYAN R. V.
Published: May 2016

The α‐phenoxyalkanoic acids (I) are coupled with 6‐aminopenicillanic or 7‐aminodeacetoxycephalosporanic acid (II) using the mixed anhydride method to produce the semisynthetic penicillins and cephalosporins (III).
ChemInform Abstract: A 27Al NMR Study of Liquid Aluminates in the 1600‐2100 °C Temperature Range
Authors: COUTURES J.‐P. , MASSIOT D. , BESSADA C. , ECHEGUT P. , RIFFLET J.‐C. , TAULELLE F.
Published: May 2016

is performed using a new type of radio‐frequency resonator.
ChemInform Abstract: Electrical Behavior of Ceria‐Stabilized Zirconia with Rare‐Earth Oxide Additives
Authors: CHIOU B.‐S. , DAI H.‐T. , DUH J.‐G.
Published: May 2016

(Y2O3, Nd2O3, Sm2O3, Dy2O3) is studied by impedance spectroscopy.
ChemInform Abstract: Preparation and Characterization of Iridium‐Dispersed Lead Electrodes for Oxygen Evolution.
Authors: IWAKURA C. , YAMAMOTO D. , YONEYAMA H.
Published: May 2016

Ir‐dispersed Pb electrodes with a low oxygen overvoltage are prepared by immersion of Pb substrates in 0.01 M IrCl4 solution (∼10 min.).
ChemInform Abstract: Hot Corrosion of Silica
Authors: LAWSON M. G. , KIM H. R. , PETTIT F. S. , BLACHERE J. R.
Published: May 2016

glass is studied in pure oxygen and in SO2‐containing oxygen in the presence of liquid sulfate deposits (Na2SO4, Na2SO4‐CoSO4) at temp. of 700 and 1000 °C, (i.e., conditions relevant to gas turbines).
ChemInform Abstract: Morphological and Compositional Characterization of Copper‐Cobalt Spinel Made by Mechanochemical Reactions.
Authors: BONCHEV R. P. , ZHELEVA T. , SEVOV S. C.
Published: May 2016

It is demonstrated that the mechanochemical reaction (grinding for 15 h at room temp. in a frictional grinder) between CuO and Co3O4 (1:5 molar ratio) affords a catalytically active surface layer of Cu0.9Co2.1O4 on the Co3O4 particles.
ChemInform Abstract: Planar Chiral Systems. Part 1. Optical Resolution of (2.2)Paracyclophanes by High‐Performance Liquid Chromatography on Tris‐2,5‐dimethylphenylcarbamates of Cellulose and Amylose.
Authors: HOPF H. , GRAHN W. , BARRETT D. G. , GERDES A. , HILMER J. , HUCKER J. , OKAMOTO Y. , KAIDA Y.
Published: May 2016

Optical resolution of 22 (2.2)paracyclophanes such as (I) and (II) is examined by HPLC using tris‐3,5‐dimethylphenylcarbamates of cellulose and amylose as chiral stationary phases.
ChemInform Abstract: Substituent Effects on the Reactivity of 2‐Morpholinobutadienes in the Presence of Dienophiles.
Authors: BARLUENGA J. , AZNAR F. , CABAL M.‐P. , VALDES C.
Published: May 2016

Reaction of the title compounds (I) with dimethyl acetylenedicarboxylate (II) gives exclusively the adducts (III) and no Diels‐Alder product.
ChemInform Abstract: Comparison of Reactions of Difluorocarbene with cis‐ and trans‐Cyclooctene.
Authors: GREENBERG A. , YANG D.
Published: May 2016

Difluorocarbene, generated from dibromodifluoromethane (II), reacts with cis‐cyclooctene (I) to produce only low yields of the cis‐fused bicyclo(6.1.0)nonane (III).
ChemInform Abstract: Derivatives of N′‐Alkoxydiazene N‐Oxides. Part 6. N′‐Alkoxydiazene N‐Oxide Ethers.
Authors: MARCHENKO G. A. , PUNEGOVA L. N. , CHERTANOVA L. F. , BESKROVNAYA T. G. , CHEREVIN V. V. , SOPIN V. F.
Published: May 2016

The title compounds (III) (X‐ray analysis for (IIIa): space group P21/c; Z=4) are prepared.
ChemInform Abstract: Reaction of 1,2‐Octadiene and 5,6‐Undecadiene with Dichlorocarbene.
Authors: MOLCHANOV A. P. , VOROB'EVA I. S.
Published: May 2016

The reaction between 1,2‐octadiene (I) and dichlorocarbene generated from CHCl3 (II) and tBuOK proceeds regiospecifically at C(2)=C(3) to afford the adduct (III).
ChemInform Abstract: An Efficient Synthesis of 1,5‐Dihydropentalene and 2‐Methyl‐1,5‐dihydropentalene from Acrolein and Methacrolein.
Authors: GRIESBECK A. G.
Published: May 2016

The cycloadduct (III) of acrolein (I) and cyclopentadiene (II) undergoes condensation reaction with cyclopentadiene (II), forming the cyclopentadienylidenemethylnorbornene (IV).
ChemInform Abstract: Novel Preparation of 1,3‐Propanediyl Bis(2‐hydroxy‐5‐(2‐propynyloxy)benzoate): A One‐Step Nucleophilic Synthesis of Symmetric 1,3‐Diglycerides.
Authors: BROWN A. B. , WHITLOCK H. W. JUN.
Published: May 2016

The title compound (III) is formed by base‐induced cleavage and coupling of epibromohydrin (I) with the benzoic acid (II).
ChemInform Abstract: Synthesis of 1,1′‐Dibenzo‐ and 1,1′‐Dinaphtho‐2,2′‐dithiols from the Respective Thiophenes.
Authors: COSSU S. , DELOGU G. , DE LUCCHI O. , FABBRI D. , FOIS M. P.
Published: May 2016

The dibenzo‐ (Ia) or dinaphthothiophenes (Ib) are cleaved with lithium and then sulfurized with disulfur dichloride (II) to form the fused 1,2‐dithiins (III).
ChemInform Abstract: Synthesis and Chemistry of Acyltriazolinedione Ylides and Related Intermediates: New Methods for the Preparation of Di‐ and Tricarbonyl Compounds.
Authors: WILSON R. M. , HENGGE A. C.
Published: May 2016

Various urazolyl‐substituted compounds, e.g. (I), (III), (V), and (VII), are oxidized with tert‐butyl hypochlorite and then subjected to hydrolytic work‐up, generally in the presence of a base, yielding the corresponding carbonyl derivatives such as (II), (IV), (VIII), or their tautomers, e.g. (VI).
ChemInform Abstract: A New Approach to the Preparation of 2‐Substituted Tetrahydrofurans with α‐syn Selectivity.
Authors: MEAD K. T. , YANG H.‐L.
Published: May 2016

Trimethylsilyl ketene (II) is coupled with the benzyloxybutanal (I) in the presence of boron trifluoride etherate to give the propiolactones (III) which are desilylated and alkylated to form the diastereomeric methyl derivatives (V).
ChemInform Abstract: Preparation of Optically Pure ω‐Hydroxymethyl Lactams.
Authors: HUANG S.‐B. , NELSON J. S. , WELLER D. D.
Published: May 2016

The optically active diethyl aminodicarboxylates (III) undergo stereoselective ring closure upon thermolysis to form the chiral lactam esters (IV).
ChemInform Abstract: An Improved Synthesis of Substituted Dibenzo(1,4)dioxines.
Authors: LEE H. H. , DENNY W. A.
Published: May 2016

By reaction of pyrocatechol (I) with substituted 1,2‐dichlorobenzenes (IIa), (IIb) or o‐chloronitro‐benzenes (IIc), (IV), the benzodioxanes (III), (V) can be obtained.
ChemInform Abstract: Synthesis and Reactions of 2,3,5,6‐Tetrahydro‐2,5‐ethano‐3‐benzazocin‐4(1H)‐one and a Thieno‐Extended Analogue: X‐Ray Structure of 3‐Methyl‐2,3,5,6‐tetrahydro‐2,5‐ethano(1)benzothieno(3,2‐d)azocin‐4(1H)‐one.
Authors: IDDON B. , REDHOUSE A. D. , YAT P. N.
Published: May 2016

The title compounds (III) and the mixture of (VII) and (VIII) are subjected to standard derivatizations, e.g. sulfuration, S‐ and N‐methylation.
ChemInform Abstract: Transylidation of Some Stabilized Bismuthonium Ylides.
Authors: SUZUKI H. , MURAFUJI T.
Published: May 2016

The bismuthonium ylides (III) are comparatively stable in solution, but attempted isolation leads to complete decomposition.
ChemInform Abstract: Dirhenium Complexes That Contain the Bridging Ligand 2‐(Diphenylphosphino)pyridine. Isolation and Characterization of cis‐(Re2(O2CR)2X2(Ph2Ppy)2)n+ (R: CH3, C2H5; X: Cl, Br; n = 0, 1).
Authors: SCHRIER P. W. , DERRINGER D. R. , FANWICK P. E. , WALTON R. A.
Published: May 2016

The neutral title complexes (IIIa) and (IIIb) and also the dibromo analogue of (IIIa) (yield 17%) are synthesized as shown.
ChemInform Abstract: Synthesis and Reactivity of the Metal‐Substituted Borane (CO)4CoBH2·THF. Preparation of the Ambiphilic Clusters (CO)9Co3C(CH2)nOH (n = 4, 5).
Authors: BASIL J. D. , ARADI A. A. , BHATTACHARYYA N. K. , RATH N. P. , EIGENBROT C. , FEHLNER T. P.
Published: May 2016

The formation of (III) bears a remarkable similarity to that of (CO)4CoSiR3.
ChemInform Abstract: Synthesis of Some Cationic 16‐ and 18‐Electron Nickel Alkyl Phosphine Complexes Containing Bidentate Ligands: Ligand‐Dependent Square‐Planar, Trigonal‐Bipyramidal, and Square‐Pyramidal Coordination Geometries, Their Reactions with CO and Alkynes, and the Crystal Structure of (Ni(CH2SiMe3)(PMe3)3)BF4.
Authors: BOCHMANN M. , HAWKINS I. , HURSTHOUSE M. B. , SHORT R. L.
Published: May 2016

The trigonal‐bipyramidal 18‐electron methyl‐Ni complexes (III) can be synthesized either from the Ni complex (I) as shown or from NiCl(Me)(PMe3)2, the bidentate ligands and TlBF4.
ChemInform Abstract: Silylalkyne‐ and Silylvinylidene‐Bridged Mixed Metal Clusters.
Authors: BANTEL H. , POWELL A. K. , VAHRENKAMP H.
Published: May 2016

Attempts to incorporate silylalkynes into FeCo2 or RuCo2 clusters by means of cluster buildup or capping reactions are reported.
ChemInform Abstract: Stepwise Synthesis and Reactivity of Ph2PCH2PPh2‐Stabilized Mixed‐Metal Clusters Containing Three or Four Different Metals.
Authors: BRAUNSTEIN P. , DE MERIC DE BELLEFON C. , RIES M.
Published: May 2016

The reactions of carbonylmetalate anions e.g. (Co(CO)4)‐ (II), (Fe(CO)3NO)‐, (Mn(CO)5)‐, (Mo(CO)3Cp)‐, and (W(CO)3Cp)‐ with trinuclear clusters of the type (I), (IV) and (VI) occur by substitution of the Pd‐bound halide by the carbonylmetalate anions to produce the clusters (III), (V), and (VII).
ChemInform Abstract: Synthesis of Conformationally Restricted Dimeric Porphyrins Unsymmetrically Linked with Quinone.
Authors: OSUKA A. , IDA K. , NAGATA T. , MARUYAMA K. , YAMAZAKI I. , TAMAI N. , NISHIMURA Y.
Published: May 2016

The synthesis of one representative of the dimeric porphyrins (VI) mentioned in the title is outlined in the reaction scheme.
ChemInform Abstract: Novel Access to the Synthesis of 7‐Alkoxy‐ and 7‐Hydroxy‐6,7‐dihydrocitrals.
Authors: ERMAN M. B. , GOLOVACHEVA E. V. , GULYI S. E. , ZASETSKII D. L. , SHUTIKOVA L. A. , CHERKAEV V. G. , AUL'CHENKO I. S.
Published: May 2016

A novel one‐step procedure of preparation of the 7‐alkoxy‐6,7‐dihydrocitrals (IIa) and (IIb) involves rearrangement of the ethynylcarbinols (Ia) and (Ib), respectively.
ChemInform Abstract: Direction of the Cyclization of Oxo Derivatives of α‐Ionone and Dihydro‐α‐ionone.
Authors: TUTORSKAYA O. O. , ELYASHBERG M. E. , YAMPOL'SKII YU. YU. , KARASEV YU. Z. , MIROPOL'SKAYA M. A. , SAMOKHVALOV G. I.
Published: May 2016

Dehydration of the 3‐oxo‐dihydro‐α‐ionone (I) occurs on treatment with TosOH or with Pd/C to yield the same bicyclic dienone (II), whose structure is deduced from its spectral data.
ChemInform Abstract: Cp2ZrCl2‐AgBF4 in Benzene: A New Reagent System for Rapid and Highly Selective α‐Mannoside Synthesis from Tetra‐O‐benzyl‐D‐mannosyl Fluoride.
Authors: SUZUKI K. , MAETA H. , SUZUKI T. , MATSUMOTO T.
Published: May 2016

The mannosyl fluoride (I) mentioned in the title is treated with the alcohol (II) in the presence of zirconocene dichloride and silver tetrafluoroborate to form the corresponding mannosides (III).
ChemInform Abstract: Studies Related to the Synthesis of (.+‐.)‐Pederin. Part 1. Synthesis of Ethyl Pederate and Benzoylselenopederic Acid.
Authors: WILLSON T. M. , KOCIENSKI P. , JAROWICKI K. , ISAAC K. , FALLER A. , CAMPBELL S. F. , BORDNER J.
Published: May 2016

Approaches to the synthesis of the insect toxin pederin start with the preparation of the ring A fragments ethyl pederate (VIIIa) and the title acid (XIV).
ChemInform Abstract: Open‐Ring Models of Hetero‐Cannabinoids: Synthesis of 2‐(Alkylthio)‐5‐(2‐aminoethyl)hydroquinone Derivatives.
Authors: SINDELAR K. , HOLUBEK J. , SVATEK E. , SCHLANGER J. , DLABAC A. , VALCHAR M. , HRUBANTOVA M. , PROTIVA M.
Published: May 2016

Cannabinoids show tranquilizing, anticonvulsant, analgetic and other activities.
ChemInform Abstract: The Use of Nitrogen Dioxide to Improve the Superconducting Properties of YBa2Cu3O7.
Authors: LEARY K. J. , JACOBSON H. W. , ASKEW T. R. , FLIPPEN R. B.
Published: May 2016

Heating of YBa2Cu3O7 powders in a NO2‐containing atmosphere at ∼950 °C, followed by annealing in oxygen above 750 °C and slow cooling to room temp. significantly improves the elemental homogeneity of the powder and, as a result, substantially increases the flux exlusion.
ChemInform Abstract: Rapid Thermal Processing of Pb(Mg0.7Zn0.3)1/3Nb2/3O3 Multilayer Ceramic Capacitors.
Authors: LANDIN S. M. , SCHULZE W. A.
Published: May 2016

It is demonstrated that a fast firing process can be successfully applied for the sintering of zinc‐modified lead magnesium niobate multilayer ceramic capacitors.
ChemInform Abstract: Formation and Morphology of 2H‐SiC Whiskers by the Decomposition of Silicon Nitride.
Authors: LI J. , PENG G. , CHEN S. , CHEN Z. , WU J.
Published: May 2016

Decomposition of Si3N4 at 1900 °C in a graphite vessel under a pressure of 10 atm.
ChemInform Abstract: Thermal Decomposition of Nickel‐Carbon and Copper‐Carbon σ‐Bonds
Authors: PASYNKIEWICZ S.
Published: May 2016

Review: (11 refs.
ChemInform Abstract: Ammonia Activation by Sc+ and Ti+: Electronic and Translational Energy Dependence.
Authors: CLEMMER D. E. , SUNDERLIN L. S. , ARMENTROUT P. B.
Published: May 2016

The reactions of Sc+ and Ti+ with NH3 are studied as a function of translational energy in a guided ion beam tandem mass spectrometer.
ChemInform Abstract: The High Temperature Aqueous Corrosion of Ferritic Steels: Effect of Heat Flux on Corrosion and Magnetite Deposition.
Authors: TOMLINSON L. , ASHMORE C. B. , SILVER P. J. B. , MEAD A. P.
Published: May 2016

A long (1.2 m) 9Cr‐1Mo ferritic steel tube is exposed to a wide range of heat fluxes (0‐1389 kW/m2, simulating the highest heat fluxes present in sodium heated steam generators) under realistic steam generator conditions (355 °C, 17.6 MPa, subcooled boiling to 15% steam quality).
ChemInform Abstract: Ag‐Ion Exchange by Natural Mordenite and Clinoptilolite
Authors: CZARAN E. , PAPP J. , MESZAROS‐KIS A. , DOMOKOS E.
Published: May 2016

is studied using the original heterocationic zeolites as well as some monocation‐forms.
ChemInform Abstract: Triammine Complexes of Chromium(III). Synthesis and Characterization of the Two Isomeric Series.
Authors: ANDERSEN P. , DOESSING A. , GLERUP J. , RUDE M.
Published: May 2016

It is demonstrated that the complex mer‐Cr(Py)3F3 (preparation is described, 93% yield), is a convenient starting material for the synthesis of Cr(III)‐ammine complexes (examples given in the scheme).
ChemInform Abstract: Crystal Chemistry of 1‐(4‐Chlorophenyl)‐4,4‐dimethyl‐2‐(1H‐1,2,4‐triazol‐1‐yl)pentan‐3‐one, a Paclobutrazol Intermediate.
Authors: BLACK S. N. , WILLIAMS L. J. , DAVEY R. J. , MOFFATT F. , MCEWAN D. M. , SADLER D. E. , DOCHERTY R. , WILLIAMS D. J.
Published: May 2016

Individual crystals from MeOH solutions of rac. (I) contain only one enantiomer (space group P212121 with Z=4).
ChemInform Abstract: Reactions of Methyl Trifluoromethylpyruvate and Its N‐Methoxycarbonylimine with π‐Enriched Heterocycles and Dipolar Compounds.
Authors: SOLOSHONOK V. A. , KUKHAR' V. P.
Published: May 2016

The reactions between the title compounds (I) and (IV) and some heterocycles, vinyl ethers and nitrile oxides are investigated for the first time.
ChemInform Abstract: Reaction of Diazoalkanes with Unsaturated Compounds. Part 7. Catalytic Cyclopropanation of 1‐Alkoxy‐, 1‐Acetoxy‐, and 1‐Trimethylsilyloxy‐1,3‐butadienes with Diazomethane.
Authors: TOMILOV YU. V. , KOSTITSYN A. B. , SHULISHOV E. V. , KHUSID A. KH. , NEFEDOV O. M.
Published: May 2016

The Pd(II)‐catalyzed cyclopropanation of the 1‐butadienyl ethers (Ia) or (VI) and the acetate (Ib) with diazomethane (II) results in a selective reaction at the terminal C=C bond to form the corresponding cyclopropylvinyl compounds (III) and (VII).
ChemInform Abstract: Unusual Reactions of 1‐(N′,N′‐Dimethylhydrazino)‐ and 1‐(N′,N′‐Dimethyl‐N‐nitrosohydrazino)‐4‐methyl‐2,2,3,3‐tetracyanocyclopentane.
Authors: ZOLOTOI A. B. , SHEVERDOV V. P. , LUKIN P. M. , PROKHOROV A. I. , NASAKIN O. E. , ATOVMYAN L. O.
Published: May 2016

The hydrazinocyclopentane (I) reacts with sodium nitrite (II) to give the nitroso compound (III) which is cyclized upon treatment with hydrochloric acid, producing the tetrahydrocyclopentatriazine (IV).
ChemInform Abstract: Synthesis of Enaminoimino Derivatives of Cyclohexane β‐Triketones.
Authors: LAKHVICH F. A. , RUBINOV D. B. , RUBINOVA I. L.
Published: May 2016

Conversion of the dimedone derivatives (I) into their sodium salts and subsequent methylation afford the enol ethers (III) and (IV).
ChemInform Abstract: Asymmetric Synthesis. Part 10. The Highly Enantioselective Synthesis of (R)‐α‐Substituted Benzylic Amines via the Modified (+)‐Camphor Derivatives as Chiral Synthons.
Authors: JIANG Y. , PENG G. , LIU G.
Published: May 2016

The ketopinic acid (I) is converted to the acyl chloride (II) which is consecutively treated with o‐aminophenol (III) and benzylamine (V), producing the chiral imine (VI).
ChemInform Abstract: Reaction of Diynoic Chlorides with para‐Substituted Phenols.
Authors: BUDILOVA I. YU. , KOLESNIKOV A. M. , KOLOTILO N. V. , IL'CHENKO A. YA.
Published: May 2016

Coupling of the alkynyl bromides (I) with 10‐undecynoic acid (II) according to Yotkevich and Cadiot affords the diynoic acids (III), which are further converted to their chlorides on treatment with SOCl2.
ChemInform Abstract: Asymmetric Conjugated Bisquinoid Systems. Part 2. Reaction of N‐(2,6‐Ditert.‐butylcyclohexa‐2,5‐dien‐1‐oxo‐4‐methylenyl)‐1,4‐benzoquinonimines with Hydrogen Chloride.
Authors: KOLESNIKOV V. T. , KLEP V. Z. , NOVIKOV E. E. , KOPEL'TSIV YU. A.
Published: May 2016

The reaction proceeds by way of a 1,10‐addition of HCl to the quinonimines (I) or (III) to give the fully aromatized derivatives (II) or (IV).
ChemInform Abstract: Chemistry of Oxalyl Derivatives of Methyl Ketones. Part 47. Reaction of the Arylamides of Aroylpyruvic Acids with Diphenyldiazomethane.
Authors: BRIGADNOVA E. V. , MASLIVETS A. N. , ANDREICHIKOV YU. S.
Published: May 2016

The title reaction between the N‐arylpyruvamides (I) and diphenyldiazomethane (II) affords the adducts (III).
ChemInform Abstract: Novel Synthesis of Benzo‐Substituted Benzofurans via Diels‐Alder Reaction.
Authors: KUSURKAR R. S. , BHOSALE D. K.
Published: May 2016

E‐2‐(β‐Nitrovinyl)furan (I) undergoes cycloaddition reaction with the acrylates (II) under release of nitrous acid, forming the benzofuran‐5‐carboxylates (III).
ChemInform Abstract: Synthesis of Polyfunctional Stable Nitrile Oxides in the Thiophene Series and Their Relative Reactivity in the 1,3‐Dipolar Cycloaddition with Styrene.
Authors: KRAYUSHKIN M. M. , KALIK M. A. , ZAV'YALOVA V. K. , LOKTIONOV A. A. , BOGDANOV V. S.
Published: May 2016

Treatment of the thiophenecarboxaldehyde oximes (I) with sodium hypochlorite gives the nitrile oxides (II) which are coupled with styrene (III), producing the thienylisoxazolines (IV).
ChemInform Abstract: An Efficient Synthesis of Ethyl 5‐Oxazoleacetates.
Authors: DOW R. L.
Published: May 2016

The α‐(acylamino)carboxylic acids (I) are coupled with ethyl lithioacetate to form the γ‐acylamino β‐keto esters (III).
ChemInform Abstract: Reaction of Methylphenylcyclopropanes with Sulfur Dioxide in the Presence of Trifluoroacetic Acid.
Authors: BONDARENKO O. B. , SAGINOVA L. G. , VOEVODSKAYA T. I. , BUEVICH A. V. , YUFIT D. S. , STRUCHKOV YU. T. , SHABAROV YU. S.
Published: May 2016

In the presence of TFA the reaction between 1‐methyl‐2‐phenylcyclopropane (I) and SO2 (II) affords a mixture of the three diastereomeric oxides (III)‐(V) along with the isomer (VI).
ChemInform Abstract: Reaction of Aromatic Nitrile Oxides with Chloroformyl Isocyanate.
Authors: FETYUKHIN V. N. , ESIPENKO A. A. , SAMARAI L. I.
Published: May 2016

The reactions between the nitrile oxides (I) and chloroformyl isocyanate (II) afford separable mixtures of the chloroformyloxadiazolinones (III) and the O‐isocyanatoformylhydroxamic acid derivatives (IV).
ChemInform Abstract: Dienamides as Versatile Precursors of Polycyclic Pyridines and Isoquinolines.
Authors: COUTURE A. , BOCHU C. , GRANDCLAUDON P.
Published: May 2016

The N‐dienyl amides (I), (IV), (VI), and (VIII) are heated with phosphorus oxychloride to undergo cyclization, forming the fused pyridines (III), (V), (VII), and (IX) respectively.
ChemInform Abstract: Nitrone Cycloaddition: Peroxy Acid Oxidation of 2‐Phenyl‐1‐oxa‐9‐azabicyclo(4.3.0)nonane.
Authors: CARRUTHERS W. , COGGINS P. , WESTON J. B.
Published: May 2016

Oxidation of the oxaazabicyclo(4.3.0)nonane (I) results in ring cleavage, forming a mixture of the isomeric nitrones (II) and (III).
ChemInform Abstract: Synthesis of Hydrotriazines from Dimethyl N‐(N2‐Cyanoamidino)carbonimidodithioate.
Authors: SUYAMA T. , YANAGI M. , IIO K. , IKEDA S. , MIKI A.
Published: May 2016

The carbonimidodithioate (I) is coupled with the primary aliphatic or benzylic amines (II) at low temperatures to give the S‐methylisothioureas (III) which partly cyclize, forming the triazines (IV).