bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: New Synthesis of 1,2,5‐Selenadiazoles.
Authors: BERTINI V. , DE MUNNO A. , PICCI N. , LUCCHESINI F. , POCCI M. 
Published: May 2016

Abstract1,2,5‐Selenadiazoles (III) and (IV) are prepared in a one‐pot procedure by reaction of the 1,2,5‐thiadiazoles (I) with the Grignard compounds (II), followed by treatment with selenium(IV) chloride and selenium.
ChemInform Abstract: General Route to μ‐Hydroxo‐Bis(μ‐acetato)‐Bridged Heterometal Dinuclear Complexes. Syntheses, Magnetic and Redox Properties, Electronic Spectra, and Molecular Structures of the Cr(III)‐Co(II) and Cr(III)‐Fe(II) Species.
Authors: CHAUDHURI P. , WINTER M. , KUEPPERS H.‐J. + , WIEGHARDT K. , NUBER B. , WEISS J. 
Published: May 2016

AbstractThe Cr complex (V), prepared from Cr(CO)6 and (II) via LCr(CO)3 (75‐85% yield) reacts in two steps to yield (Ie), which is also prepared by the method applied for (Ia) to (Id).
ChemInform Abstract: Reaction of Oxomolybdenum Complexes with Amidoximes. Synthesis and Structure of a Nitrosylacetamidoximato(1‐) Complex with a N,O‐side‐on Bonded Acetamidoximate(1‐) Ligand: (Mo(acac)2(CH3C(NH2)NO)(NO)).
Authors: CHILOU V. , GOUZERH P. , JEANNIN Y. , ROBERT F. 
Published: May 2016

AbstractThe title complex (III) is obtained together with a probably tetranuclear complex and separated mechanically.
ChemInform Abstract: Synthesis and Crystal Structure of Tris(morpholinecarbodithioato‐S,S′)manganese(IV) Pentaiodide‐Dichloromethane (2/1).
Authors: DEPLANO P. , TROGU E. F. , BIGOLI F. , PELLINGHELLI M. A. 
Published: May 2016

AbstractThe title complex (Ib) is prepared by reaction of (Ia) with iodine in CH2Cl2 and isolated as the pentaiodide (no yield given).
ChemInform Abstract: Synthesis and Molecular Structures of closo‐3‐(η6‐CH3C6H5)‐3,1,2‐FeC2B9H11 and closo‐3‐(η6‐1,4‐(CH3)2C6H4)‐3,1,2‐FeC2B9H11.
Authors: KANG H. C. , KNOBLER C. B. , HAWTHORNE M. F. 
Published: May 2016

AbstractThe η6‐arene complexes (IV) with a dicarbollide ligand are prepared directly from the reaction of the nido‐derivative (I).
ChemInform Abstract: Substitution Reactions of the Osmium(I) Dinuclear Compound (Os2(MeCO2)2(CO)6). X‐Ray Crystal Structure of (N(PPh3)2) (Os2(MeCO2)2Cl(CO)5).
Authors: DEEMING A. J. , RANDLE N. P. , HURSTHOUSE M. B. , SHORT R. L. 
Published: May 2016

AbstractThe dimer (I) has labile axial CO ligands and there is no evidence for equatorial substitution in its reactions.
ChemInform Abstract: Iron‐Ligand Bonding Properties of Synthetic Iron‐Porphyrin Complexes with Oxygen Transporting Ability in Aqueous Media.
Authors: TSUCHIDA E. , MAEDA H. , YUASA M. , NISHIDE H. , INOUE H. , SHIRAI T. 
Published: May 2016

AbstractMoessbauer spectra, IR spectra, and photodissociation quantum yields of the oxygen and CO adducts are measured for the title complexes (I), embedded in the bilayer of phospholipid liposome, and (II), solubilized in a surfactant micelle.
ChemInform Abstract: The 3,4‐Dihydro‐2H‐pyran Approach to (+)‐Milbemycin β3. Part 1. An Alternative Synthesis of (2S,4S,6R,8R,9S)‐2‐Formylmethyl‐4‐(dimethyl‐t‐butylsilyloxy)‐8,9‐dimethyl‐1,7‐dioxaspiro(5.5)undecane.
Authors: KOCIENSKI P. J. , YEATES C. , STREET S. D. A. , CAMPBELL S. F. 
Published: May 2016

AbstractThe title compound (XVII) is an intermediate in the synthesis of the pesticide milbemycin β3.
ChemInform Abstract: Synthesis of Thiogibberellins: X‐Ray Molecular and Crystal Structure of 19,10‐Thio‐3‐epigibberellin A1.
Authors: SCHIERHORN A. , ADAM G. , KUTSCHABSKY L. , LEIBNITZ P. 
Published: May 2016

Abstract1. The 7‐thiogibberellin analogues (II) are prepared by sulfhydrolysis of the sym. anhydrides (I).
ChemInform Abstract: Segregation of Y to Grain Boundaries in Cr2O3 and NiO Scales Formed on an ODS Alloy.
Authors: YUREK G. J. , PRZYBYLSKI K. , GARRATT‐REED A. J. 
Published: May 2016

AbstractThe oxidation of a commercial, oxide‐dispersion‐strengthened Ni‐based alloy containing 20 wt.% Cr, 0.3 wt.% Al, 0.5% Ti, and 0.6% Y2O3 (MA754) has been studied by SEM and XRD.
ChemInform Abstract: A Photocurrent Spectroscopic Investigation of Passive Films on Ferritic Stainless Steels.
Authors: SUNSERI C. , PIAZZA S. , DI PAOLA A. , DI QUARTO F. 
Published: May 2016

AbstractThe three different ferritic stainless steels investigated show detectable photoeffects only after long polarization in Cl‐ containing solution.
ChemInform Abstract: Umpolung of Sulfenes.
Authors: ALLMANN R. , HANEFELD W. , KRESTEL M. , SPANGENBERG B. 
Published: May 2016

AbstractIn contrast to the typical sulfene reaction through the nucleophilic C atom of (I) with indantrione (II) the trichloromethane sulfinate (V) is obtained in the absence of (II) via a nucleophilic attack at the sulfene carbon atom.
ChemInform Abstract: Addition Reaction of Thioles with Silicon Containing α,β‐Ethylenic Aldimines.
Authors: SURNIN V. A. , STADNICHUK M. D. 
Published: May 2016

AbstractThe N‐alkylaldimines (I) react with the mercaptans (II) to give the corresponding alkyl(phenyl)mercaptoaldimines (III).
ChemInform Abstract: Thermocatalytic Reaction of Carbon Tetrachloride with tert‐Butyl Ethyl Ether.
Authors: KOZLIK G. I. , DUBCHENKO V. N. , DROZDOV A. M. 
Published: May 2016

AbstractGas‐phase reaction of carbon tetrachloride (I) with tert‐butyl ethyl ether gives mainly acetaldehyde (III) and tert‐butyl chloride (IV).
ChemInform Abstract: Photochemistry of Substituted Cyclic Enones. Part 6. Photochemical Reactions of 5‐Arylmethyl‐3‐phenylcyclopent‐2‐enones. A Photostationary State.
Authors: CLEMENTS M. T. M. , MCMURRY T. B. H. 
Published: May 2016

AbstractThe title compounds (IV) are prepared as shown.
ChemInform Abstract: Photochemical Reactions of (9‐Anthryl)methyl Methyl Fumarate and Maleate: Application to Asymmetric (4 + 2)‐Photocycloaddition Reaction.
Authors: OKADA K. , SAMIZO F. , ODA M. 
Published: May 2016

AbstractThe maleate (Ia) is photochemically isomerized to form the fumarate (Ib).
ChemInform Abstract: Organoboranes for Synthesis. Part 6. A Convenient, General Synthesis of Alkylhydroperoxides via Autoxidation of Organoboranes.
Authors: BROWN H. C. , MIDLAND M. M. 
Published: May 2016

AbstractThe low temp. oxidation of the organoboranes derived from (I) and (II) leads to the formation of diperoxyboranes, which afford the alkylhydroperoxides (III) upon H2O2 treatment.
ChemInform Abstract: ε‐Functionalized Organolithium Compounds: d5‐Reagents in Organic Synthesis.
Authors: BARLUENGA J. , RUBIERA C. , FERNANDEZ J. R. , FLOREZ J. , YUS M. 
Published: May 2016

AbstractSequential treatment of 5‐chlorovaleryl chloride (I) with the Grignard reagents (II) and lithium powder produces the organolithium compounds (III) which are quenched with D2O to give (IV).
ChemInform Abstract: Some Properties of Polyfluoroacyl and Polyfluoroacetonyl Fluorosulfates.
Authors: FOKIN A. V. , RAPKIN A. I. , KROTOVICH I. N. , TATRINOV A. S. , STUDNEV YU. N. 
Published: May 2016

AbstractThe anhydrides (I) decompose during the reaction with KF or SbF5 to give the fluoroacyl fluorides (II).
ChemInform Abstract: Cp2TiCl2‐Catalyzed Reaction of Grignard Reagents with Isocyanates, Formation of Carboxamide with Rearranged Carbon Skeleton.
Authors: ZHANG Y. , JIANG J. , CHEN Y. 
Published: May 2016

AbstractThe iso(thio)cyanates (I) react with the branched Grignard compounds (II) in the presence of dicyclopentadienyltitanium dichloride to form the linear amides (III) as the main products, resulting from rearrangement of the alkyl moiety.
ChemInform Abstract: Quinone‐Amine Reactions. Part 25. 2‐Amino‐3,5,6‐tribromo‐1,4‐benzoquinones and Their Instability in Daylight.
Authors: KALLMAYER H.‐J. , FRITZEN W. 
Published: May 2016

AbstractTetrabromo‐p‐benzoquinone (I) reacts with the amines (II) to form the monoamino derivatives (III) as the main products, together with the diamines (IV).
ChemInform Abstract: A Single‐Step Synthesis of Tamoxifen Using Palladium‐Catalyzed CrossCoupling.
Authors: AL‐HASSAN M. I. 
Published: May 2016

Abstractcis‐Tamoxifen (IV) is obtained from diphenylacetylene (I) via carboalumination, followed by palladium‐catalyzed cross‐coupling reaction with the bromophenyl ether (III).
ChemInform Abstract: An Efficient and Convenient Method for the Preparation of α‐Methylenated Ketones from Silyl Enol Ethers.
Authors: HAYASHI M. , MUKAIYAMA T. 
Published: May 2016

AbstractThe silyl enol ethers (I) react with bromomethyl methyl ether (II) in the presence of a tin(II) halide to form the α‐bromomethyl ketones (III).
ChemInform Abstract: The Synthesis and Chemistry of Azolenines. Part 10. Reinvestigation of a Reaction Reported to Yield Ethyl 2‐Cyano‐3‐(3,4‐dimethylphenyl)‐5‐(4‐methoxyphenyl)‐2H‐pyrrole‐2‐carboxylate, and Thermal Rearrangements of This and a Regioisomer.
Authors: IP S.‐H. , SAMMES M. P. 
Published: May 2016

AbstractThe reaction of the ketone (I) with the ester (II) leads to the pyridine derivatives (IV) and (V) and not to the title compound (VIIIb).
ChemInform Abstract: Oxidative Carbon‐Carbon Bond Forming Reaction via a 1,3‐Dioxolan‐2‐ ylium Cation.
Authors: HAYASHI Y. , WARIISHI K. , MUKAIYAMA T. 
Published: May 2016

AbstractThe acetal (I) reacts with trityl tetrafluoroborate (II) to give the salt (III) which is coupled with the enolates or enamines (IV), yielding the 2,2‐disubstituted 1,3‐dioxolanes (V).
ChemInform Abstract: The Preparation of N‐Carboalkoxypyrazoles and N‐Phenylpyrazoles from C(α)‐Dianions of Carboalkoxyhydrazones and Phenylhydrazones.
Authors: DUNCAN D. C. , TRUMBO T. A. , ALMQUIST C. D. , LENTZ T. A. , BEAM C. F. 
Published: May 2016

AbstractThe hydrazones (I) are converted to their dilithio derivatives (II) which react with the esters (III) to give the substitution products (IV).
ChemInform Abstract: Imidazole Derivatives. Part 19. Synthesis and Biological Activity of 4‐Nitro‐5‐mercaptoimidazole Derivatives.
Authors: IRADYAN M. A. , AIVAZYAN A. KH. , MIRZOYAN V. S. , PARONIKYAN G. M. , SARKISYAN T. P. , STEPANYAN G. M. , ARSENYAN F. G. , GARIBDZHANYAN B. T. 
Published: May 2016

AbstractIn the search for new antitumor drugs, the derivatives (III) ‐ (VII) of the 4‐nitro‐5‐mercaptoimidazoles (I) are prepared by common methods as shown in the reaction scheme.
ChemInform Abstract: Preparation of Trifluoromethylated Compounds by Anodic Oxidation of 3‐Hydroxy‐2‐trifluoromethylpropionic Acid.
Authors: KUBOTA T. , AOYAGI R. , SANDO H. , KAWASUMI M. , TANAKA T. 
Published: May 2016

AbstractKolbe reaction of 3‐hydroxy‐2‐trifluoromethylpropionic acid (I) gives the isomerized diols (II) which are cyclized with phosphoric acid to form the 3,4‐bis(trifluoromethyl)tetrahydrofurans (III).
ChemInform Abstract: Pyrido(2′,1′:2,3)imidazo(4,5‐c)isoquinoline and the Alkylation of Pyrido(2′,1′:2,3)imidazo(4,5‐c)isoquinolin‐5(6H)‐one.
Authors: PAOLINI J. P. , PALOPOLI F. P. , LENDVAY L. J. , HUFFMAN J. 
Published: May 2016

Abstracto‐Phthalaldehyde acid (I) reacts with 2‐aminopyridine (II) in the presence of cyanides to give the pyridoimidazoisoquinolinone (III).
ChemInform Abstract: Novel Addition of Nitroalkanes to o‐Quinones.
Authors: ITOH S. , NII K. , MURE M. , OHSHIRO Y. 
Published: May 2016

AbstractThe fused ortho‐benzoquinones (I), (IV), (VI), and (VIII) react with the branched nitroalkanes (II) to produce the 1,3‐dioxoles (III), (V), (VII), and (IX).
ChemInform Abstract: Antiparkinsonian Agents from Quinazolinylthiazolidinones and Azetidinones.
Authors: SRIVASTAVA V. K. , SINGH S. , GULATI A. , SHANKER K. 
Published: May 2016

AbstractReaction of the quinazolinones (III) with the acid (IV) and the acid chloride (VI) yields the title compounds (V) and (VII), respectively.
ChemInform Abstract: Transformations of the Product from the Reaction of N‐(β‐Aminoethyl)piperazine with Dichloroethane.
Authors: ZAGIDULLIN R. N. , TOLSTIKOV G. A. 
Published: May 2016

AbstractThe bis(piperazinoethyl)ethylenediamine (I), prepared from N‐(β‐aminoethyl)piperazine and dichloroethane, reacts with formaldehyde (II) and formic acid (III) according to Eschweiler‐Clarke to give the permethylated derivative (IV), together with the compounds (V) ‐ (VIII).
ChemInform Abstract: Pyrolysis Products of Some Pyrazolinodiazepines: Homodiazepines and Pyrazolopyridines.
Authors: KLINGER F. , FOULON M. , GESCHE P. , STRUB H. , STREITH J. 
Published: May 2016

AbstractPyrolysis of the title compounds (I) and (V) yields mixtures of the products (II)‐(IV), (VI) and (VII), while the reaction of the compounds (VIII)‐(XI) at 150 °C leads to the homodiazepines (IVb)‐(IVd) as major or sole products.
ChemInform Abstract: A New Synthesis of Oxime Derivatives from Carbonyl Compounds and N,O‐Bis(trimethylsilyl)hydroxylamine.
Authors: HOFFMAN R. V. , BUNTAIN G. A. 
Published: May 2016

AbstractThe reaction of the potassium salt of N,O‐bis(trimethylsilyl)hydroxylamine (I) with the carbonyl compounds (II) gives the oximate anions (III) which are converted to the oximes (IV) by hydrolysis.
ChemInform Abstract: From Lithiated Aminofluorosilanes to Mono‐ and Dimeric Iminosilanes.
Authors: STALKE D. , KEWELOH N. , KLINGEBIEL U. , NOLTEMEYER M. , SHELDRICK G. M. 
Published: May 2016

AbstractLithiation of the aminofluorosilanes (IIIa)‐(IIId) affords iminosilanes.
ChemInform Abstract: Reactions of N‐Arylsulfonyl‐p‐quinone Imines with Dialkyl Trimethylsilyl Phosphites.
Authors: AVBEENKO A. P. , RYAZANTSEV V. P. , EVGRAFOVA N. I. 
Published: May 2016

AbstractReaction of the quinone imines (I) with the silyl phosphites (II) and subsequent hydrolysis give the sulfonylaminophenyl phosphates (III).
ChemInform Abstract: Hetero‐Substituted Norbornenes and Their Derivatives. Part 1. Reaction of Cyclopentadiene with Styrylphosphonic Acid Derivatives.
Authors: KROLEVETS A. A. , POPOV A. G. , ANTIPOVA V. V. 
Published: May 2016

AbstractCoupling of the styrylphosphonic acid derivatives (I) with cyclopentadiene (II) gives the norbornenylphosphonic acid derivatives (III).
ChemInform Abstract: Organic Phosphorus Compounds. Part 82. Preparation, Properties, and Herbicidal Activity of 2‐Substituted 5‐Phenoxy‐ and 5‐Pyridyloxyphenylphosphonic and ‐phosphinic Acid Derivatives.
Authors: MAIER L. , DUERR D. , REMPFLER H. 
Published: May 2016

AbstractReaction of the dinitrobenzenes (III) with the trialkyl phosphites (II) produces the substituted nitrophenylphosphonates (I).
ChemInform Abstract: Reactions of Transition Metal Halides with Derivatives of Dimethylsulfoximine. X‐Ray Single Crystal Structure Analysis of F5WNS(O)Me2 and F4W(NS(O)Me2)2.
Authors: ROESKY H. W. , SCHOLZ M. , EDELMANN F. , NOLTEMEYER M. , SHELDRICK G. M. 
Published: May 2016

AbstractThe sulfoximine (I) reacts with WF6(II) to yield the air‐ and moisture‐sensitive compound (III), which reacts further with (I) to give the cis‐derivative (IV).
ChemInform Abstract: Synthesis and Characterization of Iron(III) Chelating Analogs of Siderophores on Organic Solid Supports.
Authors: CRUMBLISS A. L. , GARRISON J. M. , BOCK C. R. , SCHAAF A. , BONAVENTURA C. J. , BONAVENTURA J. 
Published: May 2016

AbstractA series of Fe(III)‐selective chelating resins (V), (IX), (XI), and (XII) have been modeled after the structural features of the naturally occurring siderophore compounds with hydroxamate, catecholate and salicylate iron binding groups.
ChemInform Abstract: Isovalent and Mixed‐Valent Ylide Complexes of Gold: Synthesis of Trinuclear Compounds with Double Paddle‐Wheel Structure.
Authors: SCHMIDBAUR H. , HARTMANN C. , REBER G. , MUELLER G. + 
Published: May 2016

AbstractThe reaction of gold(II) complexes (I) with ylides depends on the ratio of reactants.
ChemInform Abstract: Synthesis of Phytone Using Acetylbutyrolactone.
Authors: KULKARNI S. N. , PHADKE A. S. 
Published: May 2016

AbstractReaction of the Grignard reagent (II), which is obtained from 2‐acetylbutyrolactone, with the ketone (I) serves as starting step in the synthesis of hexahydropseudoionone (IV).
ChemInform Abstract: Me3SiCl‐NaI‐CH3CN as an Efficient and Practical Reducing Agent for Benzylic Alcohols.
Authors: SAKAI T. , MIYATA K. , UTAKA M. , TAKEDA A. 
Published: May 2016

AbstractThe benzylic alcohols (I) are reduced with a reagent system consisting of chlorotrimethylsilane, sodium iodide, and acetonitrile to yield the corresponding hydrocarbons (II).
ChemInform Abstract: Synthesis of 17β‐Acyloxy‐17α‐ethynyl‐5α‐androst‐2‐enes and Investigation of Their Effects on the Ovulation Process.
Authors: GRINENKO G. S. , MEN'SHOVA N. I. , SHUVALOVA S. D. , MAKUSHEVA V. P. , KORKHOV V. V. , LUPANOVA G. E. 
Published: May 2016

AbstractStarting with the ketone (I), the esters (VI) of the ethynylandrostenol (III) are prepared.
ChemInform Abstract: Alkylation of Imidazolidinone Dipeptide Derivatives: Preparation of Enantiomerically Pure Di‐ and Tripeptides by “Chirality Transfer” via a Pivalaldehyde N,N‐Acetal Center.
Authors: POLT R. , SEEBACH D. 
Published: May 2016

AbstractGlycylglycine, (S)‐alanylglycine and glycyl‐(S)‐alanine esters are cyclized through the pivaldehyde imines (I), (IVa), and (IVb) to give the dipeptide‐derived imidazolidinones (III), (Va), and (VIb).
ChemInform Abstract: Convenient Syntheses and Reactions of Two Kinds of Basic α‐Dehydroamino Acid Derivatives.
Authors: SHIN C. , OBARA T. , SEGAMI S. , YONEZAWA Y. 
Published: May 2016

AbstractThe N‐protected aminoaldehydes (III), prepared from the esters (I), undergo Wittig‐Horner reaction with the phosphinylglycinate (IV) to form the α,β‐unsaturated amino acid esters (V).
ChemInform Abstract: The Kinetics of Oxygen Reduction in Molten Phosphoric Acid at High Temperatures
Authors: SCHARIFKER B. R. , ZELENAY P. , BOCKRIS J. O'M. 
Published: May 2016

Abstract(25‐150 °C) have been investigated using glass insulated Pt microelectrodes with radii of 12.7 and 250 μm. The enthalpy of solution of oxygen in 98% H3PO4 is determined to be 2.2 kcal/mol and the entropy of solution is ‐12.6 cal/K mol.
ChemInform Abstract: Thermal/Mechanical Alterations of SAE 1008 Steel and Fe‐12ppmC vs. Hydrogen Overpotential in Alkaline Solution.
Authors: SCOTT G. D. , STONER G. E. , CAHEN G. L. JUN. 
Published: May 2016

AbstractIt is demonstrated that alterations of the state of surface of mild steel or pure iron cathodes have a significant influence on the steady‐state electrocatalytic performance for the hydrogen evolution reaction (HER) and that the Tafel slope for HER can be reduced by appropriate thermomechanical processing.
ChemInform Abstract: π‐Electron Valence Bond Calculations on Benzenoid Hydrocarbons via Graphical Unitary Group Methods.
Authors: ALEXANDER S. A. , SCHMALZ T. G. 
Published: May 2016

AbstractThe exact valence bond ground state energy is presented for all benzenoid hydrocarbons of up to 20 carbon atoms plus selected 24 atom systems such as pentacene, picene, and coronene.
ChemInform Abstract: Conformational Analysis. Part 11. 2‐Aminoethanethiol. An Electron‐Diffraction Investigation of the Molecular Structure, Conformational Composition, and Anti‐Gauche Energy and Entropy Differences; Evidence for an Intramolecular SH...N Hydrogen Bond.
Authors: BARKOWSKI S. L. , HEDBERG K. 
Published: May 2016

AbstractConformational Analysis.
ChemInform Abstract: Synthetic and Equilibrium Studies on Copper(II), Nickel(II), and Palladium(II) Complexes of N,N′,N′′,N′′′‐Tetrakis(2‐hydroxyethyl)‐1,4,8,11‐tetraazacyclotetradecane (L); Kinetics of the Acid Dissociation of the Copper(II) Complex and X‐Ray Structural Characterization of the Nickel(II) Complex (NiLH‐1) (ClO4).
Authors: HAY R. W. , PUJARI M. P. , MOODIE W. T. , CRAIG S. , RICHENS D. T. , PEROTTI A. , UNGARETTI L. 
Published: May 2016

AbstractThe ligand (I) is prepared by the reaction of the tetraaza macrocyclus with ethylene oxide in aqueous solutions at 0 °C. (I) behaves as a tetraprotic base and the stepwise protonation equilibria are studied by potentiometric titration.
ChemInform Abstract: A New Synthesis of Both the Enantiomers of 4‐Amino‐3‐hydroxybutanoic Acid (GABOB) and MM2 Calculations for Rotamers of the Intermediate Oxazolidin‐2‐ones.
Authors: BONGINI A. , CARDILLO G. , ORENA M. , PORZI G. , SANDRI S. 
Published: May 2016

AbstractThe synthesis of the biologically more active (R)‐(IX) enantiomer is given in the scheme.
ChemInform Abstract: Photochemical Transformations. Part 71. Intercyclic vs. Intracyclic (π2 + σ2 + σ2)/(π2 + π2) Cycloaddition Reactions in Sterically Fixed Norbornadiene/Quadricyclane Systems.
Authors: TRAH S. , WEIDMANN K. , FRITZ H. , PRINZBACH H. 
Published: May 2016

AbstractBiquadricyclanylidene (I) is converted to the β‐lactam (III).
ChemInform Abstract: A Highly Stereoselective Synthesis of Trans‐1,2‐Disubstituted Cycloalkanols.
Authors: CANONNE P. , BERNATCHEZ M. 
Published: May 2016

AbstractTreatment of the bis(bromomagnesio)alkanes (I) with the esters (II) gives the cyclopentanols (III) with predominance of the trans isomer.
ChemInform Abstract: Isomerization of Perfluoro‐1‐ethyl‐1‐methylbenzocyclobutene to Perfluoro‐α,β,o‐trimethylstyrene and Perfluoro‐1,2‐dimethylindan by SbF5.
Authors: KARPOV V. M. , MEZHENKOVA T. V. , PLATONOV V. E. , YAKOBSON G. G. 
Published: May 2016

AbstractDuring the treatment of a mixture of the isomeric perfluoroethylmethylbenzocyclobutenes (I) and (II) with antimony pentafluoride only (I) reacts, forming the perfluorotrimethylstyrene (III).
ChemInform Abstract: 2‐Diethoxyphosphorylalkanoic Acid Dianions (Lithium α‐Lithiocarboxylates). Part 4. A Direct Route to 2‐Fluoro‐2‐alkenoic Acids by the Horner Synthesis. Application in the Fields of Pyrethroids.
Authors: COURTROT P. , GRISON C. , SAUVETRE R. 
Published: May 2016

AbstractDiethoxyphosphorylfluoroacetic acid (I) is treated with butyllithium (II) to form the lithium α‐lithiocarboxylate (III) which reacts with the carbonyl compounds (IV) to yield the 2‐fluoro‐2‐alkenoic acids (V).
ChemInform Abstract: Reaction of Trimethylsilylpropynal with Dialkylamines.
Authors: BORISOVA A. I. , MEDVEDEVA A. S. , KALIKHMAN I. D. , VYAZANKIN N. S. 
Published: May 2016

AbstractThe title compounds (I) and (II) react under heterolytic cleavage of the Si‐C bond in (I) to give the β‐aminoacroleins (III).
ChemInform Abstract: A Highly Stereoselective Conversion of α,β‐Epoxy Esters to α‐Hydroxy Esters. An Efficient Route to Optically Active α‐Hydroxy Esters.
Authors: OTSUBO K. , INANAGA J. , YAMAGUCHI M. 
Published: May 2016

AbstractThe α,β‐epoxy esters (Ia) ‐ (Id) are cleaved with magnesium iodide to form the α‐hydroxy‐β‐iodocarboxylates (II) which are deiodinated with tributyltin hydride, producing the α‐hydroxy esters (III).
ChemInform Abstract: Gas Phase Reactions. Part 61. Cycloalkanimines 2H‐Azirine, 1‐Azetidine, 1‐Pyrroline, 1‐Piperideine, and 3,4,5,6‐Tetrahydro‐2H‐azepine: Preparation and Photoelectron Spectra.
Authors: BOCK H. , DAMMEL R. 
Published: May 2016

AbstractThe 1‐aza‐cycloalkenes (I) are prepared either via dehydrohalogenation of 2‐chloroethylazide (II) and thermolysis of the resulting vinylazide (III) to give (Ia) or by N‐chlorination of the cyclic amines (IV) and dehydrohalogenation of the N‐chloro compounds (V) using the K salt of adamantan‐1‐ol (yields of (Ib) up to 96%).
ChemInform Abstract: A New Route to Chiral Hydroxypyrrolidines from D‐Erythrose via Intramolecular 1,3‐Cycloaddition.
Authors: BUCHANAN J. G. , EDGAR A. R. , HEWITT B. D. 
Published: May 2016

AbstractThe D‐erythrose (I) reacts with the phosphorane (II) to give a mixture of the E/Z isomers (IIIa) + (IIIb).
ChemInform Abstract: Total Synthesis of Analogues of the β‐Lactam Antibiotics. Part 3. 2‐Ethoxycarbonyl Derivatives of Carbapen‐1‐em‐3‐exo‐carboxylates and Carbapenam‐3‐exo‐carboxylates.
Authors: SHARMA R. , STOODLEY R. J. , WHITING A. 
Published: May 2016

AbstractThe carbapenem‐exo‐carboxylates (VI) are prepared from the azetidinone (I) by a strategy involving final closure of the 1,2‐bond using an intramolecular Wittig condensation.
ChemInform Abstract: Consecutive Ring Closure and Neophyl Rearrangement of Some Alkenylaryl Radicals.
Authors: ABEYWICKREMA A. N. , BECKWITH A. L. J. , GERBA S. 
Published: May 2016

AbstractReaction of tributyltin hydride with the bromoarenes (I), (IV), and (VII) gives the ring‐closure products (II), (V), and (VIII) as a result of exo‐cyclization, together with the compounds (III), (VI), and (IX).