Helvetica chimica acta

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  Año 1993, Vol. 76, Número 2

  • Physical Chemistry in Helvetica Chimica Acta, from 1918 to 1992

    pág. 631

    

  • The Dynamic Behaviour and NMR Solution Structures of Complexes of the Type (Bisphosphine)(cycloocta-1,5-diene)iridium(I) and the X-Ray Crystal Structure of (Cycloocta-1,5-diene)((-)-norphos)iridium(I) Hexafluorophosphate

    pág. 788

    

  • Zum Mechanismus der sequentiellen Radikal-Cyclisierung von (Bromomethyl)silyl-ethern terpenoider Alkohole

    pág. 804

    

  • Vitamin-B~1~2-Catalyzed C,C-Bond Formation Synthesis of a California Red Scale Pheromone

    pág. 810

    

  • A Facile Conversion of Tertiary Amines into [2-(Dialkylamino)vinyl]triphenylphosphonium Salts

    pág. 819

    

  • Carbocyclic Analogs of Nucleosides. Part 4. Preparation of Enantiomerically Pure Analogs of Purine Nucleosides for the Synthesis of Sulfone-Linked Oligonucleotide Analogs

    pág. 826

    

  • Physicochemical and Structural Properties of Non-steroidal Anti-inflammatory Oxicams

    pág. 842

    

  • New Ecotoxicologically and Biogenetically Relevant Terpenes of the Tropical Green Seaweed Caulerpa taxifolia which Is Invading the Mediterranean

    pág. 855

    

  • 1,1'-Disubstituted Ferrocene-Containing Thermotropic Liquid Crystals of Structure [Fe{(eta^5-C~5H~4)COOC~6H~4XC~6H~4OC~nH~2~n~+~1}~2] (X = OOC or COO). Influence of the Orientation of the Central Ester Function on the Mesogenic Properties

    pág. 865

    

  • Luminescence of Europium(III) Chelates with 4-(Arylethynyl)pyridines as Ligands

    pág. 877

    

  • A General Method for the Synthesis of 2'-O-Modified Ribonucleosides

    pág. 884

    

  • Influence of Chelating Groups on the Luminescence Properties of Europium(III) and Terbium(III) Chelates in the 2,2'-Bipyridine Series

    pág. 893

    

  • Sterically Congested Phosphite Ligands: Synthesis, Crystallographic Characterization, and Observation of Unprecedented Eight-Bond ^3^1P,^3^1P Coupling in the ^3^1P-NMR Spectra

    pág. 900

    

  • Solid-State CP/MAS ^1^3C-NMR Spectra of Oligolides Derived from 3-Hydroxybutanoic Acid

    pág. 915

    

  • Molecular Geometries by the Extended-Hueckel Molecular Orbital Method II: Hydrocarbons and Organic Molecules Containing O, N, and S

    pág. 924

    

  • Epoxidierung von Cucurbitaxanthin A: Herstellung von Cucurbitaxanthin B und seines 5',6'-Epimeren

    pág. 952

    

  • Synthesis of (-)-Pinidine via Asymmetric Electrophilic Enolate Hydroxyamination/Nitrone Reduction

    pág. 957

    

  • Chemistry of (Carbonyl)(nitrosyl)[bis(phosphorus donor)]rhenium Complexes

    pág. 963

    

  • Synthesis and Structure of eta^4-Enone Complexes of Ruthenium(0)

    pág. 976

    

  • Ein einfacher Zugang zu PQQ

    pág. 988

    

  • Triplet-State Energy of the Photostabilizer Tinuvin P

    pág. 993

    

  • Glyconothio-O-lactones. Part I. Preparation and Reactions with Nucleophiles

    pág. 995

    

  • Synthese eines 1,2-trans-konfigurierten, aequatorialen Glycosylphosphonat-Analogen von D-myo-Inositol-1,4,5-trisphosphat

    pág. 1013