Volume 73; Issue 6

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Helvetica Chimica Acta
Volume 73; Issue 6

Helvetica Chimica Acta

Volume 73; Issue 6

1

Masthead

Journal:

Helvetica Chimica Acta

Year:

1990

File:

PDF, 35 KB

1990

2

Acid-Catalyzed [3,3]-Sigmatropic Rearrangements of N-Propargylanilines

Peter Barmettler, Hans-Jürgen Hansen

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 3.51 MB

english, 1990

3

The crystal structure of [1.1.1]propellane at 138 K

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 669 KB

english, 1990

4

Long-Range Intramolecular Electron Transfer between two Naphthalene π-Moieties Attached to a Rigid Norbornylogous Spacer of Variable Length: An ESR and ENDOR Study

Fabian Gerson, Thomas Wellauer, Anna M. Oliver, Michael N. Paddon-Row

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 821 KB

english, 1990

5

Synthesis of 3-Deaza-2′-deoxyadenosine and 3-Deaza-2′,3′-dideoxyadenosine: Glycosylation of the 4-Chloroimidazo[4,5-c]pyridinyl Anion

Frank Seela, Helmut Rosemeyer, Sabine Fischer

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 589 KB

english, 1990

6

Rogiolol Acetate: A Novel β-Chamigrene-Type Sesquiterpene Isolated from a Marine Sponge

Graziano Guella, Ines Mancini, Giuseppe Chiasera, Francesco Pietra

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 554 KB

english, 1990

7

Stereochemistry of the Robinson Anellation: Studies on the Mode of Formation of the Intermediate Hydroxy Ketones

Cornelius Nussbaumer

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 1.03 MB

english, 1990

8

Neoflor und 6-Epineoflor aus Blüten von Trollius europaeus; Hochfeld-1H-NMR-Spektren von Neoxanthin und (9′Z)-Neoxanthin

Edith Märki-Fischer, Conrad Hans Eugster

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

german

File:

PDF, 351 KB

german, 1990

9

Photodissociation of Halonaphthalenes in Solution: Comparative Photochemistry of 1-Iodo-, 1-Bromo-, and 1-Chloronaphthalenes

Edwin Haselbach, Yves Rohner, Paul Suppan

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 427 KB

english, 1990

10

The Reaction of Singlet Oxygen with Adamantylideneadamantane Mediated by Rose Bengal

Charles W. Jefford, Manuel Jimenez Estrada, Giacomo Barchietto, Théo Berclaz, Michel Geoffroy

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 383 KB

english, 1990

11

Reduktive Co-Alkylierung von Heptamethyl-cobyrinat mit dem Methylthiomalonat (S)-Methyl-3-bromo-2-[(ethylthio) carbonyl]-2-methylpropanoat

Susanna Müller, Annemarie Wolleb, Lorenz Walder, Reinhart Keese

Journal:

Helvetica Chimica Acta

Year:

1990

File:

PDF, 638 KB

1990

12

Synthesis and Properties of a New Dihydroflavin: Reduction of a Flavinium Salt by Borocyanohydride

Violetta Szczesna, Franz Müller, Jacques Vervoort

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 485 KB

english, 1990

13

Azidinium-Salze 24. Mitteilung Thermolyse heterocyclischer Azidinium-tetrafluoroborate

Martine Huys-Francotte, Heinz Balli

Journal:

Helvetica Chimica Acta

Year:

1990

File:

PDF, 278 KB

1990

14

Synthese neuer Heptafulvene, Röntgenstrukturanalyse von ‘8,8-(1′,4′-Dioxotetramethylen)heptafulven’(2-(Cyclohepta-2,4,6-trien-1-yliden)cyclopentan-1,3-dion)

Peter Bönzli, Markus Neuenschwander, Peter Engel

Journal:

Helvetica Chimica Acta

Year:

1990

File:

PDF, 919 KB

1990

15

Azomalonate Syntheses Part II. Synthesis and Reactivity of Novel 1,2,4-Triazin-5-one Derivatives

Roland Heckendorn

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 1.37 MB

english, 1990

16

Reduction of Indolin-2-ones and Desulfurization of Indoline-2-thiones to Indoline and Indole Derivatives

Takehiko Nishio, Norikazu Okuda, Choji Kashima

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 312 KB

english, 1990

17

The Photoreversible Addition of Sulfur Dioxide to Benzobenzvalene: A new Approach to the Benzoprefulvene Biradical

Ulrich Burger, Christian Gmünder, Serge Schmidlin, Gérald Bernardinelli

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 326 KB

english, 1990

18

A Study on the Odour/Structure Relationship of Patchoulol and Norpatchoulenol

Helmut Spreitzer

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 238 KB

english, 1990

19

Carbonyliron Complexes of Allenic Acids, Esters, Amides, and Imides

Latchezar S. Trifonov, Alexander S. Orahovats, Heinz Heimgartner

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 472 KB

english, 1990

20

Synthesis of the 6-C-Methyl and 6-C-(Hydroxymethyl) Analogues of N-Acetylneuraminic Acid and of N-Acetyl-2,3-didehydro-2-deoxyneuraminic Acid

Andrea Vasella, René Wyler

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 1.61 MB

english, 1990

21

Glycosylidene Carbenes. Part 2. Synthesis of O-Aryl Glycosides

Karin Briner, Andrea Vasella

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 1.13 MB

english, 1990

22

Synthesis and biological evaluation of 14-alkoxymorphinans. Part 7. 14,14′-dimethoxy analogues of norbinaltorphimine: Synthesis and determination of their χ opioid antagonist selectivity

Helmut Schmidhammer, Ernst Ganglbauer, Jörg Mitterdorfer, Judith M. Rollinger, Colin F. C. Smith

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 342 KB

english, 1990

23

Synthesis and Biological Evaluation of 14-Alkoxymorphinans. Part 8. 14-methoxymetopon, an extremely potent opioid agonist

Helmut Schmidhammer, Andrea Schratz, Jörg Mitterdorfer

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 212 KB

english, 1990

24

Conversion of Light into Electricity with Trinuclear Ruthenium Complexes Adsorbed on Textured TiO2 Films

Mohammad K. Nazeeruddin, Paul Liska, Jacques Moser, Nick Vlachopoulos, Michael Grätzel

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 973 KB

english, 1990

25

Mitteilungen

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 60 KB

english, 1990