Volume 67; Issue 7

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Helvetica Chimica Acta
Volume 67; Issue 7

Helvetica Chimica Acta

Volume 67; Issue 7

1

Masthead

Journal:

Helvetica Chimica Acta

Year:

1984

File:

PDF, 37 KB

1984

2

Studies on the Stereochemistry of 2-(Nitromethylidene)-Heterocycles

Srinivasachari Rajappa, Kuppuswamy Nagarajan, Kailasam Venkatesan, Nirupa Kamath, Vipanjeri Madabhusi Padmanabhan, Wolfgang von Philipsborn, Ban Chin Chen, Raffaelo Müller

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 701 KB

english, 1984

3

The Persistence of Ribbon Orbitals in Polycyclic Alkanes

Edgar Heilbronner, Evi Honegger, Werner Zambach, Peter Schmitt, Harald Günther

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 637 KB

english, 1984

4

‘Lone Pair’ and ‘CI Bond’ Ionization Energies of exo- and endo-2-Norbornyl Iodides

Evi Honegger, Edgar Heilbronner, Alfred Dratva, Cyril A. Grob

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 427 KB

english, 1984

5

Electrochemical Synthesis of the Sex Attractant Pheromone of the Housefly: (Z)-9-Tricosene

Ashok K. Yadav, Paul Tissot

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 259 KB

english, 1984

6

Total Synthesis of (±)-2-Pupukeanone

Georg Fráter, Jean Wenger

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 338 KB

english, 1984

7

Electrostatic Defromation Properties in the Crystal Structure of Tricyclo[4.4.1.01,6]undeca-2,4,7,9-tetraene-11,11-dicarbonitrile

Riccardo Bianchi, Tullio Pilati, Massimo Simonetta

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 390 KB

english, 1984

8

Synthesen makrocyclischer Lactone durch Ringerweiterung Herstellung von (±)-Phoracantholid I, (±)-Dihydrorecifeiolid und (±)-15-Hexadecanolid

Kalina Kostava, Manfred Hesse

Journal:

Helvetica Chimica Acta

Year:

1984

File:

PDF, 847 KB

1984

9

γ-Nitro-γ-butyrolacton

Kaline Kostova, Manfred Hesse

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

german

File:

PDF, 224 KB

german, 1984

10

A New Pyranocoumarin Diester from Polygala paniculata L

Matthias Hamburger, Kurt Hostettmann, Helen Stoeckli-Evans

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 294 KB

english, 1984

11

Photochemical reactions. 139th Communication. Photochemistry of acylsilanes: 1. Siloxcarbene formation versus γ-H-abstraction

Markus E. Scheller, Bruno Frei

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 975 KB

english, 1984

12

Experiments on the total synthesis of Lysolipin I. Part II. Michael addition of 1,3-cyclohexanedione to quinone acetals

Rudolf O. Duthaler, Urs H.-U. Wegmann

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 858 KB

english, 1984

13

Experiments on the total synthesis of Lysolipin I. Part III. Preparation and transformations of substituted 1,2,3,4-Tetrahydrodibenzofuran-1-ones

Rudolf O. Duthaler, Veronica Scherrer

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 635 KB

english, 1984

14

(all-E)-1,3,5,7-Octatetraene: Electron-Energy-Loss and Electron-Transmission Spectra

Michael Allan, Louis Neuhaus, Edwin Haselbach

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 398 KB

english, 1984

15

Synthese des Dysidins

Hermann Köhler, Hans Gerlach

Journal:

Helvetica Chimica Acta

Year:

1984

File:

PDF, 699 KB

1984

16

Deuterierung von Betanidin und Indicaxanthin, (E/Z)-Stereoisomerie in Betalainen

Hugo Wyler, André S. Dreiding

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

german

File:

PDF, 462 KB

german, 1984

17

Synthesis, Structure, and Redox Chemistry of a Vitamin-B12s-Related Macrocyclic Complex of Cobalt(I)

Lorenz Walder, Gerhard Rytz, Ulrich Vögeli, Rolf Scheffold, Peter Engel

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 985 KB

english, 1984

18

Bonding Capabilities of the Biochemical Buffer TRIS toward Copper(II) Ion. Structure and Magnetic Properties of Binuclear and Tetranuclear Systems

Dante Masi, Carloo Mealli, Michal Sabat, Antonio Sabatini, Alberto Vacca, Fabrizio Zanobini

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 521 KB

english, 1984

19

Rearrangement of Derivatives of 1,3-Dithian-5-amineinto Bicyclic 2-Thiazolidines. Crystal Structures of cis- and trans-1-(2-Aryl-1,3-dithain-5-yl)-2-thioureas and cis- and trans-5-Aryl-3-imino-7,7a-dihydro-1H,3H,5H-thiazolo[3,4-c]thiazoles

Janos Borgulya, John J. Daly, Peter Schönholzer, Kerl Bernauer

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 1.04 MB

english, 1984

20

Preparation by yeast reduction and determination of the sense of chirality of enantiomerically pure ethyl (−)-4,4,4-trichloro-3-hydroxy- and (+)-4,4,4-trifluoro-3-hydroxybutanoate

Dieter Seebach, Philippe Renaud, W. Bernd Schweizer, Max F. Züger, Marie-Josèphe Brienne

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 709 KB

english, 1984

21

Addition von Dimethylketen an 6-heterosubstituierte Fulvene. Synthese von (±)-Filifolon

Heinz Stadler, Max Rey, André S. Dreiding

Journal:

Helvetica Chimica Acta

Year:

1984

File:

PDF, 345 KB

1984

22

Bicyclo[2.2.2]octanes. Syntheses and Hydrolyses of 6-exo-substituted 2-exo- and 2-endo-Bicyclo[2.2.2]octyl p-Toluenesulfnates. Part 9

Cyril A. Grob, Pawel Sawlewicz

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 566 KB

english, 1984

23

Metal complexes with macrocyclic ligands. Part XX. Influence of coordinated ligands onto the complexation rate of Ni2+ with 1,4,8,11-tetraazacyclotetradecane

Yi-he Wu, Thomas A. Kaden

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 518 KB

english, 1984

24

Synthesis of aristoteline-type alkaloids. Part II. The structure of neohobartine, a side product of the hobartine-aristoteline transformation

Hans-Jürg Borschberg

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 255 KB

english, 1984

25

Cob(I)alamin-Catalyzed Skeletal Migrations Observed during the Reduction of 4β-(tert-Butyl)-1α-(1-methylvinyl)cyclohexanecarbaldehyde

Terence S. Wan, Albert Fischli

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 412 KB

english, 1984

26

Komplementär diastereoselektive Cobalt-Methylierungen des Vitamin-B12-Derivates «Cobester»

Bernahard Kräutler, Christian Caderas

Journal:

Helvetica Chimica Acta

Year:

1984

File:

PDF, 392 KB

1984

27

Mechanismus der decarboxylativen Dimerisierung von Maleinsäureanhydrid zu Dimethylmaleinsäureanhydrid unter Einfluss von 2-Aminopyridin

Marcus E. Baumann, Hans Bosshard, Werner Breitenstein, Grety Rihs, Tammo Winkler

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

german

File:

PDF, 541 KB

german, 1984

28

Inductivity and Bridging in 2-Bicyclo[2.2.2]octyl Cations. Polar Effects, Part 11

Cyril A. Grob, Pawel Sawlewicz

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 616 KB

english, 1984

29

Triaziridines. Part III. Triaziridine, azimine, and triazene: A SCF study of the energy and structure of N3H3-isomers

Minh-Tho Nguyen, Jose Kaneti, Lienhard Hoesch, André S. Dreiding

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 742 KB

english, 1984

30

Photoreaction of (RS,SR)-3-Phenyl-6-hepten-2-ol. Benzene-Olefin Cycloadditions as a Synthetic Route to [5.5.5.5] Fenestranes. Part III

Jürg Mani, Jung-Hyuck Cho, Rameshchandra R. Astik, Erich Stamm, Peter Bigler, Veronika Meyer, Reinhart Keese

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 725 KB

english, 1984

31

Benz[cd]indoles. Part III. A New Stereospecific Synthesis of Dihydrolysergic Acid and an Entry to 14-Substituted Derivatives

Walter E. Haefliger

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 667 KB

english, 1984

32

The Reaction of 4-Hydroperoxy-2,4,6-trimethylcyclohexa-2,5-dienone with Acetaldehyde. Formatino of the Bis(peroxyacetal)

Charles W. Jefford, Gérald Bernardinelli, Ernest C. McGoran

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 311 KB

english, 1984

33

Light-induced Dehydrodimerization of 3-Hydroxypyrroles

Ramin Ghaffari-Tabrizi, Paul Margaretha, Helmut W. Schmalle

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 305 KB

english, 1984

34

Total Synthesis of (±)-Clovene. On the Stereoelectronic Requirements of the α-Alkynone Cyclisation

John Ackroyd, Martin Karpf, André S. Dreiding

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 586 KB

english, 1984

35

Bestimmung des Aggregationsgrads lithiumorganischer Verbindungen durch Kryoskopie in Tetrahydrofuran

Walter Bauer, Dieter Seebach

Journal:

Helvetica Chimica Acta

Year:

1984

File:

PDF, 975 KB

1984

36

Approaches to the synthesis of cytochalasans. Part 7. Synthesis of some building blocks for the construction of the macrocyclic moiety

Daniel Wallach, Ivan G. Csendes, Peter E. Burckhardt, Tibur Schmidlin, Christoph Tamm

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 563 KB

english, 1984

37

Approaches to the synthesis of cytochalasans. Part 8. Further transformations and optical resolution of the tetrahydroisoindolinone subunit

Tibur Schmidlin, Daniel Wallach, Christoph Tamm

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 721 KB

english, 1984

38

A New Base-Labile Anchoring Group for Polymer-Supported Peptide Synthesis

Manfred Mutter, Dieter Bellof

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 461 KB

english, 1984

39

Milde alkalische Hydrolyse von Aconitin

Alfred Katz, Hanspeter Rudin

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

german

File:

PDF, 366 KB

german, 1984

40

Novel Variant of the Tricyclooctanone Approach to Cyclopentanoid Natural Products. Synthesis of (±)-Coriolin. Preliminary Communication

Martin Demuth, Peter Ritterskamp, Kurt Schaffner

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 253 KB

english, 1984

41

Errata

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 48 KB

english, 1984

42

Mitteilungen – Communications

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 112 KB

english, 1984

43

Photochemical reactions. 140th Communication. Acid-catalyzed rearrangement and electron transfer photooxygenation of cyclopropanols and their silyl ethers

Markus E. Scheller, Peter Mathies, Walter Petter, Bruno Frei

Journal:

Helvetica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 454 KB

english, 1984