bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Stereostructures of Reaction Products of Thymidine Epoxides with Amines and L‐Amino Acid Ethyl Esters.
Authors: HARAYAMA T. , YANADA R. , TAGA T. , MACHIDA K. , CADET J. , YONEDA F. 
Published: May 2016

AbstractThe dihydrothymidine (+)‐(I) is converted to the epoxide (II), which reacts with the amino compounds (III), yielding the cross‐coupling products (IV).
ChemInform Abstract: Synthetic Studies on Glycocinnamoylspermidine. Part 2. Synthesis of 4‐O‐(2‐Azido‐2‐deoxy‐D‐xylopyranosyl)‐2‐azido‐2‐deoxy‐D‐xylopyranose Derivatives.
Authors: ARAKI K. , KAWA M. , SAITO Y. , HASHIMOTO H. , YOSHIMURA J. 
Published: May 2016

AbstractVarious synthetic intermediates for the amino pentose disaccharide moiety of glycocinnamoylspermidine (cinnodine) are synthesized from xylose: The disaccharide anomers (III) + (IV) or (Vb) + (VIb) are prepared from the components (II) and (Ia)‐(Ic).
ChemInform Abstract: N‐(Cyanomethyl)‐ and N‐(2‐Methoxy‐1‐cyanoethyl)anthracyclines and Related Carboxyl Derivatives.
Authors: ACTON E. M. , TONG G. L. , TAYLOR D. L. , STREETER D. G. , FILPPI J. A. , WOLGEMUTH R. L. 
Published: May 2016

AbstractDaunorubicin (Ia) is converted to the derivatives (Ib) ‐ (If).
ChemInform Abstract: Chiral DNA Gyrase Inhibitors. Part 1. Synthesis and Antimicrobial Activity of the Enantiomers of 6‐Fluoro‐7‐(1‐piperazinyl)‐1‐(2′‐trans‐phenyl‐1′‐cyclopropyl)‐1,4‐dihydro‐4‐oxoquinoline‐3‐carboxylic Acid.
Authors: MITSCHER L. A. , SHARMA P. N. , CHU D. T. W. , SHEN L. L. , PERNET A. G. 
Published: May 2016

AbstractThe ketoester (I) is converted to the piperazines (VIII).
ChemInform Abstract: Studies on Prodrugs. Part 5. Synthesis and Antimicrobial Activity of N‐(Oxoalkyl)norfloxacin Derivatives.
Authors: KONDO H. , SAKAMOTO F. , KODERA Y. , TSUKAMOTO G. 
Published: May 2016

AbstractReaction of the halides (I) or methyl vinyl ketone (IV) with norfloxacin (II) yields the derivatives (IIIa) ‐ (IIIf) and (IIIg) respectively.
ChemInform Abstract: Thermal Reactions of Cyclopropenone Ketals. Application of the Cycloaddition Reactions of Delocalized Singlet Vinylcarbenes: Three‐Carbon 1,1‐/1,3‐Dipoles. An Alternative Synthesis of Deacetamidocolchiceine: Formal Total Synthesis of Colchicine.
Authors: BOGER D. L. , BROTHERTON C. E. 
Published: May 2016

AbstractThe thermal cycloaddition of the α‐pyrone (I) with the ketal (II) yields the bicyclolactone (III) which is transformed to the amino compounds (IV) and (V).
ChemInform Abstract: Enantiomers of 3‐(3,4‐Dihydroxyphenyl)‐ and 3‐(3‐Hydroxyphenyl)‐N‐n‐ propylpiperidine: Central Pre‐ and Postsynaptic Dopaminergic Effects and Pharmacokinetics.
Authors: ROLLEMA H. , MASTEBROEK D. , WIKSTROEM H. + , SVENSSON K. , CARLSSON A. , SUNDELL S. 
Published: May 2016

Abstract(ROLLEMA, H.; MASTEBROEK, D.; WIKSTRÖM , H.; SVENSSON, K.; CARLSSON, A.; SUNDELL, S.; J. Med.
ChemInform Abstract: Phosphonitrenium, Phosphonitrilium, and Aminophosphenium Cations. An ab initio Study of the H3PN+ Isomers and the Decomposition of Azidophosphonium Salts.
Authors: NGUYEN MINH THO NGUYEN MINH THO , O'REGAN M. B. , FITZPATRICK N. J. 
Published: May 2016

AbstractThe structures and relative stabilities of the three possible isomers H3P=N+, H2P=N‐H+, and HP‐NH2+ and the transition structures connecting them (via unimolecular 1,2‐hydrogen shifts) are calculated at the HF/3‐21G* level.
ChemInform Abstract: Theoretical Characterization of Nitrogen Fixation: Effect of Ligand on the Initial Dinitrogen Activation
Authors: RAPPE A. K. 
Published: May 2016

Abstract(correlated ab initio theoretical calculations at the valence double‐ζ level in order to study the effect of metal (Mo, W) and ligand (F, Cl, Br) on the relative stability of activated (azine) vs.
ChemInform Abstract: Ammonia Dimer Studied by Photoelectron Spectroscopy.
Authors: CARNOVALE F. , PEEL J. B. , ROTHWELL R. G. 
Published: May 2016

AbstractThe He I photoelectron spectrum of (NH3)2 reveals the equivalence or near‐equivalence of the nitrogen lone‐pair orbitals of each NH3 unit, which implies that the geometry of the dimer is highly sym. (most likely a C2h structure).
ChemInform Abstract: High Pressure LiGe Containing Layers of Bi‐ and Tetravalent Germanium Atoms.
Authors: EVERS J. , OEHLINGER G. , SEXTL G. , BECKER H.‐O. 
Published: May 2016

AbstractNormal pressure LiGe is prepared by melting together stoichiometric mixtures of Li (m3N) and Ge (semiconductor grade) in Mo crucibles (argon, 650 °C).
ChemInform Abstract: Investigations of Intercalation in Inorganic Solids with Layered Structures: 57Fe Moessbauer Spectroscopy Studies of Size Fractionated and Iron‐Exchanged Montmorillonite Clays.
Authors: BERRY F. J. , HAYES M. H. B. , JONES S. L. 
Published: May 2016

AbstractIt is shown that the 57Fe Mößbauer spectra of two types of non‐exchanged and Na‐exchanged montmorillonite clays (0.56 and 2.60% Fe) are independent of the fraction size.
ChemInform Abstract: Multicomponent Polyanions. Part 39. Speciation in the Aqueous H+‐MoO2‐ 4‐HPO2‐ 4 System as Deduced from a Combined EMF‐31P NMR Study.
Authors: PETTERSSON L. , ANDERSSON I. , OEHMAN L.‐O. + 
Published: May 2016

AbstractFrom potentiometric and NMR measurements at 25 °C in 3.0 M NaClO4 solutions in the acidity range 5.5 > ‐lg (H+) > 0.5 and at total concentrations of molybdate and phosphate within the limits 0.010 ≤ molybdate ≤ 0.480 and 0.005 ≤ phosphate ≤ 0.040 M the existence of 18 molybdophosphate complexes are established and the formation constants of 14 different species are determined.
ChemInform Abstract: Response to pH of an Electrode Made Up of a Monocrystal of α‐Zr(HPO4)2·H2O.
Authors: PALOMBARI R. , CASCIOLA M. 
Published: May 2016

AbstractThe design of the title electrode is like that of a glass or fluoride electrode, with the α‐Zr(HPO4)2·H2O monocrystal (formed to a disc and sealed to a glass tube) separating the inner reference solution from the outer test solution.
ChemInform Abstract: Voltammetric Studies of Tellurium Film and Hydrogen Telluride Formation in Acidic Tellurite Solution
Authors: ROSAMILIA J. M. , MILLER B. 
Published: May 2016

Abstractat gold and tellurium rotating disk electrodes with gold or silver rings show that both generation and detection of H2Te are dependent on the activity of the Te substrate and the presence of Te(IV) in the solution.
ChemInform Abstract: Experimental Determination of Potential‐pH Diagrams for the Ni‐H2O and Low Alloy Steel‐H2O Systems.
Authors: LENNON S. J. , ROBINSON F. P. A. 
Published: May 2016

AbstractUsing the potential‐pH diagrams for 26 NiCrMoV145 steel‐H2O, 34 CrNiMo6 steel‐H2O, and the electroplated Ni‐H2O systems, regions of pitting and pitting resistance are defined and the mechanisms of corrosion prevention by passive film formation, and also the breakdown of such passivity are discussed.
ChemInform Abstract: Kinetics of the Bromate‐Iodide‐Ascorbic Acid Clock Reaction: Different Mechanism of the Molybdenum and Vanadium Catalysis.
Authors: BAZSA G. , FABIAN I. 
Published: May 2016

AbstractThe kinetics of the Mo(VI) and V(V) catalyzed title reaction has been studied by spectrophotometry and pH‐measurements.
ChemInform Abstract: Kinetic and Isotopic Studies on the Reaction Between Trioxodinitrate and the Hexaammineruthenium(III) Cation.
Authors: AKHTAR M. J. , BONNER F. T. , HUGHES M. N. , HUMPHREYS E. J. , LU C.‐S. 
Published: May 2016

AbstractThe title reaction which yields N2O, NO, and a trace of N2 is investigated over the pH range 4.7‐13.4.
ChemInform Abstract: Structural Characterization and Cage‐Condensation Reactions of the Coupled‐Cage Borane 1:2′‐(B5H8)2: New Routes to Higher Single‐Cage Boranes and Carboranes.
Authors: BRIGUGLIO J. J. , CARROLL P. J. , CORCORAN E. W. JUN. , SNEDDON L. G. 
Published: May 2016

AbstractThe title borane(II) is shown to be composed of two pentaborane cages which are coupled apex to base by means of an exopolyhedral boron‐boron bond (single‐crystal XRD).
ChemInform Abstract: Studies of Australian Soft Corals. Part 38. Structure Determination of Several Diterpenes (I)‐(III) Derived from a Cespitularia Species (Coelenterata, Octocorallia, Xeniidae).
Authors: BOWDEN B. F. , COLL J. C. , GULBIS J. M. , MACKAY M. F. , WILLIS R. H. 
Published: May 2016

AbstractThe structure of the diterpene (I) is established by X‐ray analysis (space group: P212121; Z=4) whereas that of the diterpene (II) is deduced from spectral comparison with (I).
ChemInform Abstract: (α‐(Phenylsulfinyl)‐α‐methylbenzyllithium‐tetramethylethylenediamin# e)2: Crystal Structure of an α‐Sulfinyl “Carbanion”.
Authors: MARSCH M. , MASSA W. , HARMS K. , BAUM G. , BOCHE G. 
Published: May 2016

AbstractThe title compound (II), formed as only one diastereomer from a ca. 1:1 mixture of the two diastereomeric sulfoxides (I) as shown in the scheme, is characterized by the first X‐ray structure analysis of a lithiated sulfoxide (space group C2/c, Z = 8).
ChemInform Abstract: Carbon Acidity. Part 71. The Indicator Scale of Lithium Ion Pairs in Tetrahydrofuran.
Authors: GRONERT S. , STREITWIESER A. JUN. 
Published: May 2016

AbstractAn equilibrium lithium ion pair indicator scale is established for the hydrocarbons (I)‐(VII) that form solvent‐separated ion pairs in THF.
ChemInform Abstract: Chiral Copper Semicorrin Complexes as Enantioselective Catalysts for the Cyclopropanation of Olefins by Diazo Compounds.
Authors: FRITSCHI H. , LEUTENEGGER U. , PFALTZ A. 
Published: May 2016

AbstractThe syntheses of the semicorrin ligands (V) and their conversions to the chiral copper chelates (VI) are reported.
ChemInform Abstract: Interactivity of Chiral Catalysts and Chiral Auxiliaries in the Cycloaddition of Activated Dienes with Aldehydes: A Synthesis of L‐Glucose.
Authors: BEDNARSKI M. , DANISHEFSKY S. 
Published: May 2016

AbstractThe complexes (I) (Eu(fod)3) and (II) (Eu(hfc)3) catalyze the cycloaddition of a variety of aldehydes such as (III) with oxygenated highly substituted butadienes.
ChemInform Abstract: Electronic Control of Stereoselectivity. Part 34. π‐Facial and Tautomeric Selectivities During Diels‐Alder Capture of Isodicyclopentadienes by Highly Reactive Dienophiles.
Authors: PAQUETTE L. A. , GUGELCHUK M. , HSU Y.‐L. 
Published: May 2016

AbstractThe reactions of isodicyclopentadiene (I) with the highly reactive dienophiles (II), (VII), (X), and (XII) are investigated.
ChemInform Abstract: Trapping of 1,3,5,7‐Cyclooctatetraene Valence Tautomers. Thermodynamic Stability of Bicyclo(4.2.0)octa‐2,4,7‐triene.
Authors: SQUILLACOTE M. E. , BERGMAN A. 
Published: May 2016

AbstractThe equilibrium between cyclooctatetraene (I) and the bicyclooctatriene (II) at 400 ‐ 700°C is investigated.
ChemInform Abstract: Phototransformed Bleomycin Antibiotics. Structure and DNA Cleavage Activity.
Authors: MORII T. , MATSUURA T. , SAITO I. , SUZUKI T. , KUWAHARA J. , SUGIURA Y. 
Published: May 2016

AbstractThe light irradiation of copper(II)‐bleomycin (peplo‐ and phleomycin) and its bithiazole model compound (I) induced isomerization of the 2,4'‐bithiazole ring system to 4,4'‐bithiazole.
ChemInform Abstract: Activation Parameters for the Additions of Arylhalocarbenes to Alkenes.
Authors: MOSS R. A. , LAWRYNOWICZ W. , TURRO N. J. , GOULD I. R. , CHA Y. 
Published: May 2016

AbstractAbsolute rate constants have been obtained for the additions of the carbenes (II) to the alkenes (III) and (IV) at temp. between 315‐200 K (activation parameters given).
ChemInform Abstract: New Polyheterocyclic 4nπ‐Electron Dianions: Paratropicity, Charge Delocalization, and Reactions.
Authors: COHEN Y. , MEYER A. Y. , RABINOVITZ M. 
Published: May 2016

AbstractThe diazines (I), (IV), (VII), (VIII), and (IX) are reduced by alkali metals (Na or Li wire) to the corresponding 4nπ conjugated dianions such as (II) and (V), respectively.
ChemInform Abstract: A Comment on the Recently Proposed Mechanism for the Oxidation of Olefins with PdCl(NO2)(CH3CN)2.
Authors: BAECKVALL J.‐E. + , HEUMANN A. 
Published: May 2016

AbstractThe Pd‐promoted oxidation of the olefin (I) leads to the products (II)‐(IV), the threo/erythro ratio of (II) and (III) being 88:12 in both cases.
ChemInform Abstract: An Efficient Resolution of 3‐Trifluoromethyl‐γ‐butyrolactone and Its Conversion to 5,5,5‐Trifluoroleucinol.
Authors: TAGUCHI T. , KAWARA A. , WATANABE S. , OKI Y. , FUKUSHIMA H. , KOBAYASHI Y. , OKADA M. , OHTA K. , IITAKA Y. 
Published: May 2016

AbstractThe enantiomeric trifluoromethylbutyrolactones (I) are optically resolved by formation and hydrolysis of the diastereomeric amides (III).
ChemInform Abstract: Synthesis of Optically Active 4‐Hydroxyalk‐2‐enenitriles. Reaction of Optically Active 2‐(p‐Chlorophenylsulfinyl)acetonitrile with Aldehydes in the Presence of Piperidine in Acetonitrile.
Authors: NOKAMI J. , MANDAI T. , NISHIMURA A. , TAKEDA T. , WAKABAYASHI S. , KUNIEDA N. 
Published: May 2016

AbstractThe optically active α‐cyanosulfoxides (I) are coupled with the aldehydes (II) to yield the chiral hydroxynitriles (V) directly.
ChemInform Abstract: Optically Active Cyclopentanediol Synthetic Building Blocks from Tartaric Acid.
Authors: BESTMANN H. J. , MOENIUS T. 
Published: May 2016

AbstractThe (S,S)‐compounds (V) and (R,R)‐isomers (IX) can be obtained from the same key compound (II) which, in turn, is accessible from the tartaric acid derivative (Ia) via the intermediates (Ib) and (Ic): 1. Treatment of (II) with the strongly nucleophilic organometal compounds (III) yields the adducts (IV) (diastereomeric mixtures with one component predominating).
ChemInform Abstract: Electronic Structure of Cyclic Bicalicenes.
Authors: SUGIMOTO T. , SHIBATA M. , YONEDA S. , YOSHIDA Z. , KAI Y. , MIKI K. , KASAI N. , KOBAYASHI T. 
Published: May 2016

AbstractThe cyclic bicalicenes (V) and (VIII) have been prepared (see scheme).
ChemInform Abstract: Nitronium Acetate Adducts of Furan Derivatives.
Authors: BALINA G. , KESLER P. , PETRE J. , PHAM D. , VOLLMAR A. 
Published: May 2016

AbstractThe furans (I) react with nitronium acetate, formed in situ from nitric acid and acetic anhydride, to give the adducts (II).
ChemInform Abstract: Transformations of (2‐Furyl)chlorocarbene Generated by the Reaction of 2‐Dichloromethylfuran with Potassium tert‐Butoxide.
Authors: DOLGII I. E. , SHAVRIN K. N. , KRYLOVA I. V. , NEFEDOV O. M. 
Published: May 2016

AbstractDichloromethylfuran (II) is prepared from furfurol (I) and phosphorus pentachloride.
ChemInform Abstract: The Synthesis of 2,3′:2′,3′′‐, 2,3′:4′,3′′‐, 2,3′:5′,3′′‐, and 2,2′:4′,3′′‐Terthienyls.
Authors: JAYASURIYA N. , KAGAN J. 
Published: May 2016

AbstractThe bromobithienyl (I) reacts with the Grignard compound of 2‐bromothiophene (II) to give the terthienyl (III).
ChemInform Abstract: Efficient Synthesis of 1‐Substituted 2,5‐Dicyanopyrrolidines by the Strecker Reaction Using Succinaldehyde and Primary Amines, and Their Stereochemistry.
Authors: TAKAHASHI K. , SAITOH H. , OGURA K. , IIDA H. 
Published: May 2016

AbstractThe dimethoxytetrahydrofuran (I) produces the bisulfite adduct (II) of succinaldehyde.
ChemInform Abstract: Rearrangement of 2‐Allyl‐5(2H)‐oxazolones into Tetrahydro‐3H‐furo(3,4‐b)pyrrole Derivatives Catalyzed by Lewis Acids.
Authors: WILD H. , STEGLICH W. 
Published: May 2016

AbstractThe oxazolone (Ia), on reaction with p‐benzoquinone in the presence of SnCl4, does not give the Diels‐Alder adduct, but rearranges to afford compound (IIa).
ChemInform Abstract: Reaction of 2‐Bromo‐2,3‐dihydro‐1H‐pyrazolo(1,2‐a)indazolium Bromides with Alkaline Solution.
Authors: FUJIMURA Y. , NAWATA Y. , HAMANA M. 
Published: May 2016

AbstractThe indazoles (I) are converted to the bromodihydropyrazoloindazolium bromides (IV) by allylation, bromination and thermal cyclization.
ChemInform Abstract: Ring Transformations. Synthesis of 1,3‐Diazabicyclo(3.1.0)hex‐3‐ enes and 1‐Pyrrolines from Azomethine Imines.
Authors: BURGER K. , ROTTEGER S. , GIEREN A. , RUIZ‐PEREZ C. , HUEBNER T. + 
Published: May 2016

AbstractThe azomethine imines (III), prepared from the azines (I) and the ynamine (II), are irradiated to yield the 1,3‐diazabicyclohexenes (V) via rearrangement of (IV).
ChemInform Abstract: Synthesis of 4,5‐Dihydro‐1H‐imidazoles from 1,5‐Dihydro‐2H‐imidazoles Using ′Nickel Boride′.
Authors: EUERBY M. R. , OLDROYD A. C. , WAIGH R. D. 
Published: May 2016

AbstractThe dihydroimidazoles (I) are isomerized in the presence of nickel boride, prepared in situ, to form the compounds (II).
ChemInform Abstract: The Asymmetric Synthesis of Branched‐Chain Polyketide Compounds Through Stereoselective Aldol Condensations of β‐Heteroatom Ester Enolates.
Authors: MCGARVEY G. J. , HINER R. N. , WILLIAMS J. M. , MATASUBARA Y. , POARCH J. W. 
Published: May 2016

AbstractThe oxazoline (I) reacts with lithium diethylamide to give the corresponding enolate which yields stereoselectively the silylated adducts (IV) and small amounts of stereochemical isomers on addition of the aldehydes (II) followed by the silyltriflate (III).
ChemInform Abstract: Interaction of 2,4‐Dihydroxy‐7‐methoxy‐1,4‐benzoxazin‐3‐one (DIMBOA) with Alcoholic Solvents.
Authors: BRAVO H. R. , NIEMEYER H. M. 
Published: May 2016

AbstractThe benzoxazinone (I) is cleaved in alcoholic solution to give formic acid (III) and the intermediate isocyanate (IV).
ChemInform Abstract: Photochemical Formation of Methylenecyclopropane Analogues. Part 12. Synthesis of 3,5,5‐Trialkyl‐3,5‐dihydro‐4H‐1,2,3‐triazol‐4‐ones.
Authors: QUAST H. , MEICHSNER G. , SEIFERLING B. 
Published: May 2016

AbstractThe reaction between the corresponding alkyl azides (III) and the Li enolates (II) affords the triazolones (IV).
ChemInform Abstract: Photolysis of Dimethylcarbamoyl Azide in the Presence of a Cyclic Aminimide.
Authors: GIBSON H. H. JUN. , WEISSINGER K. , ABASHAWL A. , HALL G. , LAWSHAE T. , LEBLANC K. , MOODY J. , LWOWSKI W. 
Published: May 2016

AbstractPhotolysis of the azide (I) in excess methylisocyanate (II) yields the products (III) and (IV).
ChemInform Abstract: Fluoride‐ or Alkoxide‐Induced Reaction of 1‐((Trimethylsilyl)methyl)azoles with Carbonyl Compounds.
Authors: SHIMIZU S. , OGATA M. 
Published: May 2016

AbstractThe fluoride‐initiated reaction of the N‐trimethylsilylmethyl heterocycles (I) with the carbonyl compounds (II) yields the azolyl‐ethanols (III), together with the isomers (IV).
ChemInform Abstract: Synthesis of Substituted 2‐(2‐Oxobenzopyran‐3‐yl)indoles.
Authors: SINNUR K. H. , SIDDAPPA S. , HIREMATH S. P. , PUROHIT M. G. 
Published: May 2016

AbstractTitle compounds of type (IV) and (VI) are prepared starting from the reaction between the benzopyran (I) and the anilines (II).
ChemInform Abstract: Polycyclic Thiaarenes. Part 1. Synthesis of 4‐Oxa‐3,4‐dihydrophenanthro(1,2‐b)thiophene and 1‐Oxa‐1,2‐dihydrophenanthro(4,3‐b)thiophene.
Authors: RAMESH D. , CHATTERJEE B. G. , RAY J. K. 
Published: May 2016

AbstractThe title compound (V) can be synthesized starting from the tricyclic compound (I) following the pathway shown in the scheme.
ChemInform Abstract: Synthesis of Pyrido(3,2‐b)benzofurans.
Authors: SARBAGYA D. P. , RANGACHARI K. , MAZUMDAR A. K. D. , BANERJI K. D. 
Published: May 2016

AbstractThe title compounds (IV) are synthesized starting from the benzofurans (III) following the reaction sequence shown in the scheme.
ChemInform Abstract: Synthesis and Pharmacodynamic Investigation of New Isoguvacine Analogues with Benzoquinolizine Skeleton.
Authors: BLASKO G. , KARDOS J. , BAITZ‐GACS E. , SIMONYI M. , SZANTAY C. 
Published: May 2016

AbstractHomoveratrylamine (I) is cyclized to form the dihydroisoquinoline (II) and then alkylated and reduced to give the tetrahydroisoquinolinediester (III).
ChemInform Abstract: New Syntheses of 1‐Amino‐ and 1‐(2‐Aminoethyl)‐2,6‐dicyanopiperidines and Diazabicyclo Compounds by a Strecker Reaction Using Glutaraldehyde and Diamines, and Their Stereochemistry.
Authors: TAKAHASHI K. , TACHIKI A. , OGURA K. , IIDA H. 
Published: May 2016

AbstractConsecutive reaction of glutaraldehyde (I) with sodium hydrogen sulfite, hydrazine, and potassium cyanide yields the stereoisomeric aminodicyanopiperidines (II).
ChemInform Abstract: Improved Synthesis of 1,4,5,8,9,12‐Hexaazatriphenylene.
Authors: ROGERS D. Z. 
Published: May 2016

AbstractThe hexaazatriphenylene (IV) is prepared by reduction of the explosive trinitrotriaminobenzene (I) and subsequent condensation of the hexamine (II) with glyoxal (III).
ChemInform Abstract: Thermal Reactions of o‐Aminophenols and Dimethyl Acetylenedicarboxylate.
Authors: KAWAHARA N. , SHIMAMORI T. , ITOH T. , OGURA H. 
Published: May 2016

AbstractThe o‐aminophenols (I) and dimethyl acetylenedicarboxylate (II) yield a mixture of the addition products (III) ‐ (VII).
ChemInform Abstract: Synthesis of Polyfluorophenoxazines: Smiles Rearrangement Activated by Fluorine Atoms.
Authors: KOLCHINA E. F. , KARGANOLOVA I. YU. , GERASIMOVA T. N. 
Published: May 2016

AbstractThe polyfluorophenoxazines (VI) are synthesized, starting with the polyfluorobenzenes (I) and o‐aminophenol (II) or o‐anisidine (VII), as shown in the reaction scheme.
ChemInform Abstract: Reaction of 2‐Amino‐2‐cyclopenten‐1‐one Derivatives and p‐Benzoquinone.
Authors: KUCKLAENDER U. + , SCHNEIDER B. 
Published: May 2016

AbstractThe aminocyclopentenones (II) and (V) (the preparation of the latter is not described) react with p‐benzoquinone (III) to give the benzoxazepine derivatives (IV) and (VI), respectively.
ChemInform Abstract: Metal Atom Reactions with Methane. Boron, Aluminum, Gallium, and Indium Atoms and Dimers.
Authors: JEONG G. H. , KLABUNDE K. J. 
Published: May 2016

AbstractUsing an excimer laser evaporation method combined with UV/VIS and IR spectroscopy the behavior of B, B2, Al, Al2, Ga, and In atoms and dimers is monitored in the presence of Ar and CH4.
ChemInform Abstract: Ynol Silyl Ethers via O‐Silylation of Ester‐Derived Ynolate Anions.
Authors: KOWALSKI C. J. , LAL G. S. , HAQUE M. S. 
Published: May 2016

AbstractThe "one‐pot" conversion of the ethyl esters (I) into the triisopropylsilyl ynol ethers (III) via the corresponding Li ynolates (II) is an important general method for the synthesis of these little‐studied intermediates.
ChemInform Abstract: Asymmetric Synthesis Catalyzed by Chiral Ferrocenylphosphine ‐ Transition‐Metal Complexes. Part 3. Preparation of Optically Active Allylsilanes by Palladium‐Catalyzed Asymmetric Grignard Cross‐Coupling.
Authors: HAYASHI T. , KONISHI M. , OKAMOTO Y. , KABETA K. , KUMADA M. 
Published: May 2016

AbstractCoupling of the vinyl bromides (III) with the Grignard reagents (II) in the presence of the optically active palladium complex (I) yields the optically active allyl silanes (IV) with retention of configuration at the double bond.
ChemInform Abstract: Unsaturated Silicon Compounds. Part 17. Compounds Containing Silicon and Its Group Homologues. Part 69. Reactivity of Silaethene Me2Si=C(SiMe3)2: Regiospecificity of Diels‐Alder Reactions with Isoprene and Piperylene.
Authors: WIBERG N. , SCHURZ K. , FISCHER G. 
Published: May 2016

Abstract(4 + 2) Cycloaddition of silaethene (II), generated in situ from 1,2‐azasilacyclobutane (I), with isoprene (III) or trans‐piperylene (VII) takes place with high regiospecificity to give mainly the "meta"‐product.
ChemInform Abstract: Reaction of 1‐Ethoxy‐3‐methyl‐3‐tert‐butyl‐1‐propyn‐3‐ol with Phosphorus Trichloride.
Authors: BREL' V. K. , PRUDNIKOVA O. G. , PUSHIN A. N. , IONIN B. I. , MARTYNOV I. V. 
Published: May 2016

AbstractThe alkynol (I) reacts with phosphorus trichloride under rearrangement to give the α‐dichlorophosphinylcarboxylic acid ester (II) as a 9:1 mixture of the geometrical isomers.
ChemInform Abstract: Reaction of Trimethyl Phosphite with Acecyclone.
Authors: ARBUZOV B. A. , FUZHENKOVA A. V. , TYRYSHKIN N. I. 
Published: May 2016

AbstractAcecyclone (I) reacts with trimethylphosphite as previously reported for tetracyclone to give the enol phosphates (II) and (III).