Volume 80; Issue 3

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Helvetica Chimica Acta
Volume 80; Issue 3

Helvetica Chimica Acta

Volume 80; Issue 3

1

Masthead

Journal:

Helvetica Chimica Acta

Year:

1997

File:

PDF, 32 KB

1997

2

Palladium-Catalysed Intramolecular Cyclisations of Olefinic Propargylic Carbonates and application to the diastereoselective synthesis of enantiomerically pure (−)-α-thujone

Wolfgang Oppolzer, Austen Pimm, Blanda Stammen, W. Ewan Hume

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 1.09 MB

english, 1997

3

An Efficient Synthesis of Enantiomerically Pure Δ- and Δ-Ruthenium(II)-Labelled Oligonucleotides

Eric Meggers, Dirk Kusch, Bernd Giese

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 747 KB

english, 1997

4

Synthesis of Modified Tripeptides and Tetrapeptides as potential bisubstrate inhibitors of the epidermal growth factor receptor protein tyrosine kinase

Gérard Rossé, Urs Séquin, Helmut Mett, Pascal Furet, Peter Traxler, Heinz Fretz

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 1.00 MB

english, 1997

5

Properties and Reactions of Substituted 1,2-Thiazetidine 1,1-Dioxides: Synthesis of N-Substituted 4,4-dimethyl-1,2-thiazetidin-3-one 1,1-dioxides, and a new base-catalyzed rearrangement to thiazolidin-4-one 1,1-dioxides

Dietmar Glasl, Hans-Hartwig Otto, Grety Rihs

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 888 KB

english, 1997

6

Rogioldiol A, a new obtusane diterpene, and rogiolal, a degraded derivative, of the red seaweed Laurencia microcladia from II rogiolo along the coast of tuscany: A Synergism in Structural Elucidation

Graziano Guella, Francesco Pietra, Fabio Marchetti

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 633 KB

english, 1997

7

Solid-Phase Total Synthesis of Cyclosporine Analogues

Soo Y. Ko, Roland M. Wenger

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 645 KB

english, 1997

8

Synthèse de (3-aminopropyl)arylsilanes, comportant un ou deux motifs hétérocycliques, fongicides potentials

Par Jean-Marc Garandeau, Jean-FrançOis Chollet, Léone Miginiac

Journal:

Helvetica Chimica Acta

Year:

1997

File:

PDF, 804 KB

1997

9

Photoreduction of Triplet Benzophenone by Tertiary Amines: Amine molecular structure and ketyl radical yield

Markus Von Raumer, Paul Suppan, Edwin Haselbach

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 309 KB

english, 1997

10

Synthesis and Photochromic Behaviour of Naphthopyrans, Pyranoquinolines, Pyranoquinazolines and Pyranoquinoxalines

Jean-Luc Pozzo, André Samat, Robert Guglielmetti, Roger Dubest, Jean Aubard

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 789 KB

english, 1997

11

Study of the Alkaline Hydrolysis of the Azetidin-2-one Ring by ab initio Methods: Influence of the solvent

Juan Frau, Josefa Donoso, Francisco Muñoz, Bartolomé Vilanova, Francisco García-Blanco

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 478 KB

english, 1997

12

Synthesis of Cyclic Depsipeptides and Peptides via Direct Amide Cyclization

José M. Villalgordo, Heinz Heimgartner

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 1.16 MB

english, 1997

13

Nucleotides Part LI. Synthesis and biological activities of (2′-5′)adenylate trimer conjugates with 2′-terminal 3′-O(ω-hydroxyalkyl) and 3′-O-(ω-carboxyalkyl) spacers

Cornelia Hörndler, Wolfgang Pfleiderer, Robert J. Suhadolnik, Robert J. Suhadolnik, Nicholas F. Muto, Earl E. Henderson, Earl E. Henderson, Ming-Xu Guan

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 1.55 MB

english, 1997

14

Molecular Recognition of NADP(H) and ATP by Macrocyclic Polyamines Bearing Acridine Groups

Hicham Fenniri, Mir Wais Hosseini, Jean-Marie Lehn

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 1.03 MB

english, 1997

15

C45- and C50-Carotenoids Part7 Total synthesis of (all-E,2R,6R,2′R,6′R)- and (all-E,2R,6S,2′R,6′S)-2,2′-Bis(4-hydroxy-3-methylbut-2-enyl)-γ,γ-carotene (sarcinaxanthin)

Marc Lanz, Birgit Bartels, Hanspeter Pfander

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 929 KB

english, 1997

16

Quantitative Analysis of Enzyme-Mediated Hydrolytic Processes and Their Products Using HPLC and NMR Techniques

Zdenêk Wimmer, Marie Zarevúcka, Martin Rejzek, David Šaman, Qiu-Yu Zhao, Marie-Dominique Legoy

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 677 KB

english, 1997

17

Synthesis of Carotenoids in the Gliding Bacteria Taxeobacter: (all-E,2′R)-3-deoxy-2′-hydroxyflexixanthin

Christof Bireher, Hanspeter Pfander

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 290 KB

english, 1997

18

Biosynthesis of cis-Jasmone: a pathway for the inactivation and the disposal of the plant stress hormone jasmonic acid to the gas phase?

Thomas Koch, Katja Bandemer, Wilhelm Boland

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 751 KB

english, 1997

19

Selective N3- and 5′-O-Alkylation of 2′,3′-O-isopropylideneuridine with methyl iodide

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 279 KB

english, 1997

20

Synthesis of Chiral Bicyclic Bis-lactam Components for the controlled self-assembly of hydrogen-bonded arrays

Marie-JosèPhe Brienne, Jacqueline Gabard, Martine Leclercq, Jean-Marie Lehn, Michel Chevé

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 1.26 MB

english, 1997

21

Investigation of the Chemo- and Stereoselectivity of the Ketene-Claisen Rearrangement

Beat Ernst, Reinhold Oehrlein, Daniel Belluš, Jozef Gonda, Rainer Jeschke, Udo Nubbemeyer

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 1.11 MB

english, 1997

22

A Short Synthesis of the Factor-Xa Inhibitor DX-9065a using palladium-catalyzed key steps

Christiane Kehr, Richard Neidlein, Richard A. Engh, Hans Brandsretter, Ralf Kucznierz, Herbert Leinert, Klaus Marzenell, Klaus Strein, Wolfgang Von Der Saal

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 316 KB

english, 1997

23

Molecular Recognition and Enantiomer Separations on a novel chiral stationary phase based on a 9,9′-spirobi[9H-fluorene]-derived molecular cleft

Jens Cuntze, François Diederich

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 913 KB

english, 1997

24

Synthesis of Medium- and Large-Ring Compounds Initiated by Photochemical Decarboxylation of ω-Phthalimidoalkanoates

Axel G. Griesbeck, Andreas Henz, Wolfgang Kramer, Johann Lex, Frank Nerowski, Michael Oelgemöller, Karl Peters, Eva-Maria Peters

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 1.32 MB

english, 1997

25

Metal Complexes with Macrocyclic Ligands. Part XLIV Kinetics of the Cu2+ incorporation into a macrocyclic ligand conjugated to proteins: Model studies for the d‘post-labeling’ technique

Matthias Manzetti, Ludwig Macko, Margareta Neuburger-Zehnder, Thomas A. Kaden

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 560 KB

english, 1997

26

Metal Complexes with Macrocyclic Ligands. PartXLV Axial coordination tendency in reinforced tetraazamacrocyclic complexes

Ralph Kowallick, Markus Neuburger, Magareta Zehnder, Thomas A. Kaden

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 615 KB

english, 1997

27

Diazoaldehyde Chemistry. Part 4vilsmeier-haack formylation of diazo compounds: A re-investigation

Özhan Sezer, Kadir Dabak, Olcay Anaç, Ahmet Akar

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 386 KB

english, 1997

28

Selective Synthesis of Polyamine Derivatives: Efficient derivatization of the secondary amino group of N-monosubstituted 1,3-diamines

Christian Jentgens, Richard Hofmann, Armin Guggisberg, Stefan Bienz, Manfred Hesse

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 804 KB

english, 1997

29

Structure-Activity Relations for Imidazo-pyridine-Type Inhibitors of β-D-Glucosidases

Thierry Granier, Narendra Panday, Andrea Vasella

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 624 KB

english, 1997

30

Mitteilungen

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 50 KB

english, 1997