Helvetica chimica acta

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  Año 2002, Vol. 85, Número 10

  • Efficient Synthesis of B-Iododialkyl- and B-Alkyldiiodoboranes as Their Acetonitrile Complexes: Application for the Enolboration - Aldolization of Ethyl Ketones

    P. V. Ramachandran

    págs. 3027-3032

    

  • Systematic Analysis of the Intramolecular Competition Associated with the Ring Closing Metathesis of Ene-Diene Systems of Differing Chain Length with a Pair of Ruthenium Catalysts

    L. A. Paquette

    págs. 3033-3051

    

  • 1,3-Diethynylallenes: Carbon-Rich Modules for Three-Dimensional Acetylenic Scaffolding

    R. Livingston

    págs. 3052-3077

    

  • New Asymmetric Catalysis by (Salen)cobalt(III) Complexes (Salen = [Bis(salicylidene)ethylenediaminato] = {{2,2'-[ethane-1,2-diyl]bis[(nitrilo-kappaN)methylidyne]bis[phenolato-kappaO]}(2-1)}) of cis-beta-Structure: Enantioselective Baeyer-Villiger Oxidation of Prochiral Cyclobutanones

    T. Katsuki, T. Uchida

    págs. 3078-3089

    

  • A Selective HIV-Protease Assay Based on a Chromogenic Amino Acid

    H. K. Nguyen, F. Badalassi

    págs. 3090-3098

    

  • Serendipitous Discovery of Peptide Dialkyl Peroxides

    M. De Zotti, L. Scipionato, A. Moretto

    págs. 3099-3112

    

  • Computation of Free Energy

    W. F. van Gunsteren

    págs. 3113-3129

    

  • Intramolecular Substitution Reaction of Alkylidene-Lithium Carbenoids: Regioselective Synthesis of Indenes

    H. Yanagisawa

    págs. 3130-3135

    

  • The Detection and Stability of DNA Duplexes Probed by MALDI Mass Spectrometry

    R. Sudha, R. Zenobi

    págs. 3136-3143

    

  • Theoretical Study of beta-Peptide Models: Intrinsic Preferences of Helical Structures

    Y.-D. Wu, J.-Q. Lin, Y.-L. Zhao

    págs. 3144-3160

    

  • Construction of Bi- and Tricyclic Skeletons by Domino- Heck - Diels - Alder Reactions

    Armin de Meijere, S. Korbe

    págs. 3161-3175

    

  • Synthesis of Highly Functionalized Propargylic Alcohols: Direct Addition of Epoxy Acetylides to Aldehydes and Ketones

    A. Hoffmann-Roder

    págs. 3176-3184

    

  • Asymmetric Polymer Synthesis by Repetitive Sakurai - Hosomi Allylation Reaction of Compounds Possessing Both Formyl and Allylsilane Functions

    T. Kumagai, S. Itsuno

    págs. 3185-3196

    

  • Conformation of Peptides Containing a Chiral alpha-Ethylated alpha,alpha-Disubstituted alpha-Amino Acid: (S)-alpha-Ethylleucine (=(2S)-2-Amino-2-ethyl-4-methylpentanoic Acid) within Sequences of Dimethylglycine and Diethylglycine Residues

    M. Tanaka, M. Oba, M. Kurihara

    págs. 3197-3218

    

  • Crystallization of Poly(epsilon-caprolactone) under Nanoparticle Confinement

    R. D. O Connor

    págs. 3219-3224

    

  • Polystyrene-Supported (Catecholato)oxorhenium Complexes: Catalysts for Alcohol Oxidation with DMSO and for Deoxygenation of Epoxides to Alkenes with Triphenylphosphine

    J. B. Arterburn

    págs. 3225-3236

    

  • Synthesis, Kinetics, and Molecular Docking of Novel 9-(2-Hydroxypropyl)purine Nucleoside Analogs as Ligands of Herpesviral Thymidine Kinases

    P. Pospisil, P. Schelling, S. Marveggio, B. D. Pilger

    págs. 3237-3250

    

  • Synthesis of Tetracyclic Analogues of Calcitriol (1alpha,25-Dihydroxyvitamin D~3) with Side-Chain-Locked Spatial Orientations at C(20)

    Carmen Varela Busto, K. Nilsson, Mercedes Torneiro Abuin

    págs. 3251-3261

    

  • Synthesis of Substituted 1,5-Dioxaspiro[2.4]heptanes from 2,3-Dichloroprop-1-ene

    J. Melendez, F. Alonso

    págs. 3262-3271

    

  • Investigation of Synthetic Routes towards Derivatives of 3-(Phenylsulfonimidoyl)propanoic Acid

    C. L. Skinner, H. Tye

    págs. 3272-3282

    

  • Enantiomeric Separations in Capillary Electrochromatography with Crown Ether-Capped beta-Cyclodextrin-Bonded Silica Particles as Chiral Stationary Phase

    H. K. Lee, Y. Gong

    págs. 3283-3293

    

  • Conformational Modularity of an Abiotic Secondary-Structure Motif in Aqueous Solution

    A. J. Zych, B. L. Iverson

    págs. 3294-3300

    

  • Catalytic Asymmetric Synthesis of O-Acetylcyanohydrins from Potassium Cyanide, Acetic Anhydride, and Aldehydes, Promoted by Chiral Salen Complexes of Titanium(IV) and Vanadium(V)

    Y. N. Belokon

    págs. 3301-3312

    

  • beta-Hairpins Generated from Hybrid Peptide Sequences Containing both alpha- and beta-Amino Acids

    H. N. Gopi, R. S. Roy, S. R. Raghothama

    págs. 3313-3330

    

  • Dihydropyridine C-Glycoconjugates by Hantzsch Cyclocondensation. Synthesis of a C(6)-Glycosylated Nifedipine Analogue

    A. Dondoni

    págs. 3331-3348

    

  • 1,1-Disilyl Alcohols as d^1 Synthons: Harnessing the 1,2-Brook Rearrangement

    A. J. Lawrence, R. D. Richardson, I. Fleming

    págs. 3349-3365

    

  • Preparation and Characterization of Half-Sandwich (Pentamethylcyclopentadienyl)(triflato)titanium(IV) Complexes: Solid-State Structural Motifs and Catalysis Studies

    S. C. Ngo, P. J. Toscano

    págs. 3366-3382

    

  • Highly Enantioselective Asymmetric Autocatalysis of Pyrimidin-5-yl Alkanol Induced by Chiral 1,3-Disubstituted Hydrocarbon Allenes

    Y. Matsueda, I. Sato, S. Yonekubo, K. Kadowaki

    págs. 3383-3387

    

  • Synthesis and Screening of New Chiral Ligands for the Copper-Catalysed Enantioselective Allylic Substitution

    U. Piarulli, S. Ongeri

    págs. 3388-3399

    

  • Synthesis of Aristotelia-Type Alkaloids Part XVI. Syntheses of the Natural Products (-)-Serratenone and (+)-11,12-Didehydromakonin-10-one

    R. Galli, R. Guller, M. Dobler

    págs. 3400-3413