Volume 71; Issue 3

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Helvetica Chimica Acta
Volume 71; Issue 3

Helvetica Chimica Acta

Volume 71; Issue 3

1

Masthead

Journal:

Helvetica Chimica Acta

Year:

1988

File:

PDF, 38 KB

1988

2

Dediazoniations of arenediazonium ions part 25 Influence of Substituents on the Exchange of the Diazonio Group for External Molecular Nitrogen and on the N(α), N(β)-Rearrangement in the Diazonio Group

Michael D. Ravenscroft, Heinrich Zollinger

Journal:

Helvetica Chimica Acta

Year:

1988

Language:

english

File:

PDF, 456 KB

english, 1988

3

Dediazoniations of arenediazonium ions. Part 26 Influence of Substituents on the Formation of Benzoic Acids in Reactions of Aryl-Cation-Type Intermediates with CO

Michael D. Ravenscroft, Peter Skrabal, Bettina Weiss, Heinrich Zollinger

Journal:

Helvetica Chimica Acta

Year:

1988

Language:

english

File:

PDF, 362 KB

english, 1988

4

15N-Markiertes 3-(Dimethylamino)-2,2-dimethyl-2H-azirin zur mechanistischen Untersuchung von Reaktionen mit NH-aciden Heterocyclen

Simon M. Ametamey, Roger Hollenstein, Heinz Heimgartner

Journal:

Helvetica Chimica Acta

Year:

1988

File:

PDF, 563 KB

1988

5

Pteridines. Part LXXXV. Chemical synthesis of deoxysepiapterin and 6-acylpteridines by acyl radical substitution reactions

Ralph Baur, Takashi Sugimoto, Wolfgang Pfleiderer

Journal:

Helvetica Chimica Acta

Year:

1988

Language:

english

File:

PDF, 821 KB

english, 1988

6

exo-Stereoselectivity in Diels-Alder Addition of Halogenocyclopropenes to Butadienes and Furans

Paul Müller, Gérald Bernardinelli, Jean Pfyffer, Domingo Rodriguez, Jean-Pierre Schaller

Journal:

Helvetica Chimica Acta

Year:

1988

Language:

english

File:

PDF, 359 KB

english, 1988

7

Synthesis and Structure of Carbonyliron Complexes of Allenecarboxylates and Allenic Lactones

Latchezar S. Trifonov, Alexander S. Orahovats, Roland Prewo, Heinz Heimgratner

Journal:

Helvetica Chimica Acta

Year:

1988

Language:

english

File:

PDF, 643 KB

english, 1988

8

Complexation of Cu2+ by Binucleating Macrocycles Containing the N6 Donor Set

Richard W. Cruse, Susan Kaderli, Walter Spieler, Andreas D. Zuberbühler

Journal:

Helvetica Chimica Acta

Year:

1988

Language:

english

File:

PDF, 432 KB

english, 1988

9

First Total Synthesis of Enantiomerically Pure(−)-Silphiperfol-6-en-5-on

Martin Demuth, Werner Hinsken

Journal:

Helvetica Chimica Acta

Year:

1988

Language:

english

File:

PDF, 579 KB

english, 1988

10

Fredericone, neue hochfunktionalisierte Abietanoide aus Blattdrüsen von Coleus fredericii G. TAYL

Zhen-Yan Zhu, Hidekazu Nayeshiro, Roland Prewo, Peter Rüedi, Conrad Hans Eugster

Journal:

Helvetica Chimica Acta

Year:

1988

File:

PDF, 706 KB

1988

11

Sambucinic Acid, a New Metabolite of Fusarium sambacinum. 45th communication on verrucarins and roridins

Lukas Rösslein, Christoph Tamm, Werner Zücher, Andreas Riesen, Margareta Zehnder

Journal:

Helvetica Chimica Acta

Year:

1988

Language:

english

File:

PDF, 294 KB

english, 1988

12

Synthesis of selectively trifluoromethylated pyridine derivaties as potential antihypertensives

Robert W. Lang, Paul F. Wenk

Journal:

Helvetica Chimica Acta

Year:

1988

Language:

english

File:

PDF, 323 KB

english, 1988

13

Une synthèse générale des tétraazamacrocycles mono-C-fonctionnalisés

Tayeb Benabdallah, Robert Guglielmetti

Journal:

Helvetica Chimica Acta

Year:

1988

File:

PDF, 454 KB

1988

14

A new synthesis of N-acetylneuraminic acid

René Csuk, Martin Hugener, Andrea Vasella

Journal:

Helvetica Chimica Acta

Year:

1988

Language:

english

File:

PDF, 649 KB

english, 1988

15

A Stereoselective Synthesis of (±)-cis-γ-Irone

Cornelius Nussbaumer, Georg Fráter

Journal:

Helvetica Chimica Acta

Year:

1988

Language:

english

File:

PDF, 348 KB

english, 1988

16

Enantiomerically pure 7-oxabicylo[2.2.1]hept-5-en-zyl derivatives as synthetic intermediates. Part III. Total synthesis of D- and L-ribose derivatives

Jürgen Wagner, Eric Vieira, Pierre Vogel

Journal:

Helvetica Chimica Acta

Year:

1988

Language:

english

File:

PDF, 554 KB

english, 1988

17

Amide-Bond Syntheses Catalyzed by Penicillin Acylase

Antonio Pessina, Peter Lüthi, Pier Luigi Luisi, Jiri Prenosil, You-Shang Zhang

Journal:

Helvetica Chimica Acta

Year:

1988

Language:

english

File:

PDF, 638 KB

english, 1988

18

(−)-N-[(Cyclopropyl) methyl]-3,4-dimethoxy-5-methylmorphinan-6-one, an opioid agonist with preference for kappa opioid receptors

Helmut Schmidhammer, Florian Fritsch, Willy P. Burkard, Lislott Eggstein-Aeppli, Fridolin Hefti, Mark I. Holck

Journal:

Helvetica Chimica Acta

Year:

1988

Language:

english

File:

PDF, 361 KB

english, 1988

19

Mécanisme de solvolyse des cis- et trans-(p-toluènesulfonates) d'aryl-2-cyclopentyle I. Etude de la première étape de la solvolyse: effets isotopiques de l' atone de deutérium en position 2, effets de sel basique et effet spécial de sel

G. Ronco, J.-P. Petit, R. Guyon, P. Villa

Journal:

Helvetica Chimica Acta

Year:

1988

File:

PDF, 638 KB

1988

20

Mécanisme de solvolyse des cis - et trans-(p-toluénesulfonates) d'aryl1-2-cyclopentyle II. Etude des étapes ultérieures à l'ionisation lors de la solvolyse des cis-(p-toluénesulfonates) d'aryl-2-cyclopentyle

G. Ronco, R. Guyon, P. Villa

Journal:

Helvetica Chimica Acta

Year:

1988

File:

PDF, 982 KB

1988

21

Mécanisme de solvolyse des cis- et trans-(p-toluénesulfonates) d' aryl-2-cyclopentyle III. Etude des étapes ultérieures à I'ionisation lors de lasolvolyse du trans- (p-toluènesulfonate) de phényl-2-cyclopentyle

G. Ronco, R. Guyon, P. Villa

Journal:

Helvetica Chimica Acta

Year:

1988

File:

PDF, 665 KB

1988

22

Mitteilungen

Journal:

Helvetica Chimica Acta

Year:

1988

Language:

german

File:

PDF, 104 KB

german, 1988