Volume 56; Issue 5

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Helvetica Chimica Acta
Volume 56; Issue 5

Helvetica Chimica Acta

Volume 56; Issue 5

1

Masthead

Journal:

Helvetica Chimica Acta

Year:

1973

File:

PDF, 43 KB

1973

2

Thermische Umlagerungen von halogensubstituierten Aryl-propargyläthern

Nada Šarčevic̀, Janos Zsindely, Hans Schmid

Journal:

Helvetica Chimica Acta

Year:

1973

File:

PDF, 1.24 MB

1973

3

The Preparation of Merrifield-Resins Through Total Esterification With Cesium Salts

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

english

File:

PDF, 438 KB

english, 1973

4

Chlorosulfates d'alkyle

Mme Ginette Doucet-Baudry, M. Roger Perrot

Journal:

Helvetica Chimica Acta

Year:

1973

File:

PDF, 150 KB

1973

5

Reinvestigation of the Classical Synthesis of Cinchona Alkaloids. I. A new synthesis of homomeroquinene and quinotoxine

Guenter Grethe, Hsi Lin Lee, Toomas Mitt, Milan R. Uskoković

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

english

File:

PDF, 706 KB

english, 1973

6

Reinvestigation of the Classical Synthesis of Cinchona Alkaloids. II. The synthesis of quinine and its naturally occurring diastereomers from quinotoxine

Jürg Gutzwiller, Milan R. Uskoković

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

english

File:

PDF, 633 KB

english, 1973

7

Modellreaktionen zur Biosynthese von Verbindungen der Damascon-Reihe und ihre präparative Anwendung

Günther Ohloff, Valentin Rautenstrauch, Karl H. Schulte-Elte

Journal:

Helvetica Chimica Acta

Year:

1973

File:

PDF, 762 KB

1973

8

The Synthesis of Damascenone and β-Damascone and the possible mechanism of their formation from carotenoids

Sachihiko Isoe, Shigeo Katsumura, Takeo Sakan

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

english

File:

PDF, 181 KB

english, 1973

9

Homopolar- and Heteropolar Bond Dissociation Energies and Heats of Formation of Radicals and Ions in the Gas Phase. I. Data on organic molecules

Kurt W. Egger, Alan T. Cocks

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

english

File:

PDF, 1.08 MB

english, 1973

10

Homopolar and Heteropolar Bond Dissociation Energies and Heats of Formation of Radicals and Ions in the Gas Phase II. The relationship between structure and bond dissociation in organic molecules

Kurt W. Egger, Alan T. Cocks

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

english

File:

PDF, 944 KB

english, 1973

11

Spectre de Resonance Paramagnétique Electronique de la Diphénylthiophosphine cristalline irradiée aux rayons X

Michel Geoffroy

Journal:

Helvetica Chimica Acta

Year:

1973

File:

PDF, 321 KB

1973

12

C(8) Epimeric 8-Hydroxy-erythromycins-B

Paul Kurath, Jerry R. Martin, Jack Tadanier, Alma W. Goldstein, Richard S. Egan, Daniel A. Dunnigan

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

english

File:

PDF, 559 KB

english, 1973

13

Etude conformationnelle dans l'approximation CNDO/BW: barrière de rotation interne de petites molécules organiques

Jacques Weber, Raymond Gerdil

Journal:

Helvetica Chimica Acta

Year:

1973

File:

PDF, 617 KB

1973

14

Elektronenspinresonanz freier Radikale bei photochemischen Reaktionen von Ketonen in Lösung

H. Paul, H. Fischer

Journal:

Helvetica Chimica Acta

Year:

1973

File:

PDF, 1.15 MB

1973

15

The Interaction of Walsh-Orbitols in Diademane and Related Hydrocarbons

Edgar Heilbronner, Rolf Gleiter, Toshihiko Hoshi, Armin de Meijere

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

english

File:

PDF, 523 KB

english, 1973

16

Contribution à l'étude de dérivés O-β-hydroxyéthylés de la quercétine. Identification des dérivés par spectrophotométrie UV

Pierre Courbat, André Valenza

Journal:

Helvetica Chimica Acta

Year:

1973

File:

PDF, 671 KB

1973

17

‘Lone pair’ Electronic Structure, Conformation and Oxidation Behaviour of Diaziridines

Edwin Haselbach, Albrecht Mannschreck, Werner Seitz

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

english

File:

PDF, 427 KB

english, 1973

18

Synthese und Eigenschaften einiger neuer Mono(π-cyclopentadienyl)-Nickel-Komplexe

Viktor Harder, Helmut Werner

Journal:

Helvetica Chimica Acta

Year:

1973

File:

PDF, 614 KB

1973

19

Metallbindungsphänomene: Alkoholat-Aggregate als unmittelbare Teilnehmer an Eliminierungsreaktionen

Manfred Schlosser, Gérald Jan, Edeline Byrne, Jiři Sicher

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

german

File:

PDF, 521 KB

german, 1973

20

Intermediaires organiques du germanium divalent: III obtention de germylenes γ-hydroxyles à partir de 3-chlorohydrogermyl-1-propanols et de 3-methoxyhydrogermyl-1-propanols

Jacques Barrau, Jacques Satgé, Michel Massol

Journal:

Helvetica Chimica Acta

Year:

1973

File:

PDF, 529 KB

1973

21

A Novel Synthesis of 1-Aryl-9-alkyl-2, 3, 3a, 4, 9, 9a-hexahydro-1H-pyrrolo[2, 3-b] quinoxalines by lithium aluminium hydride reduction of N-phenyl-1-benzimidazolyl-succinimides

Quazi Ahmed, Theodor Wagner-Jauregg, Ernst Pretsch, Josef Seibl

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

english

File:

PDF, 629 KB

english, 1973

22

N-Carbobenzoxy-L-pyroglutamyl-L-histidyl Peptides

P. Kurath, A. M. Thomas

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

english

File:

PDF, 454 KB

english, 1973

23

Die Synthese von all-trans-Retinylamin und anderen Polyenaminen

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

german

File:

PDF, 607 KB

german, 1973

24

Untersuchungen über eine Carbonyl-Olefinierung mit α-metallierten Isocyaniden. Die Synthese von β-Carotin und anderen Polyenen

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

german

File:

PDF, 500 KB

german, 1973

25

Tieftemperaturbestrahlungen von 3-Phenyl-2H-azirinen

Willi Sieber, Paul Gilgen, Stanislav Chaloupka, Hans-Jürgen Hansen, Hans Schmid

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

english

File:

PDF, 704 KB

english, 1973

26

Thermische Zerfallsreaktionen von Nitroverbindungen in Stosswellen. III: Dissoziation von 1-Nitropropan und 2-Nitropropan

K. Glänzer, J. Troe

Journal:

Helvetica Chimica Acta

Year:

1973

File:

PDF, 512 KB

1973

27

Komplexone XLVI. EDTA-Komplexe des Pt(II)-Ions mit und ohne einzähnige Fremdliganden

Hans Stünzi, Giorgio Anderegg

Journal:

Helvetica Chimica Acta

Year:

1973

File:

PDF, 581 KB

1973

28

Synthese von 1α-Hydroxycholecalciferol. Vorläufige Mitteilung

Andor Fürst, Ludvik Labler, Werner Meier, Karl-Heinz Pfoertner

Journal:

Helvetica Chimica Acta

Year:

1973

File:

PDF, 180 KB

1973

29

Über Pterinchemie. 42. Mitteilung [1]. Synthese von 6-Hydroxymethyl-mono-, di- und triphosphat sowie deren 7, 8-Dihydroderivate

Max Viscontini, Yoshiteru Furuta

Journal:

Helvetica Chimica Acta

Year:

1973

File:

PDF, 355 KB

1973

30

Nuclear Quadrupole Resonance and Stereochemistry I. α – Chloro ethers

Ziba Ardalan, Edwin A. C. Lucken

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

english

File:

PDF, 312 KB

english, 1973

31

Nuclear Quadrupole Resonance and Stereochemistry II. Vicinal cis- and trans-dichloro derivatives of carbocyclic systems

Ziba Ardalan, Edwin A. C. Lucken, S. Masson

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

english

File:

PDF, 313 KB

english, 1973

32

Nuclear Quadrupole Resonance and Stereochemistry III. Trichloromethyl derivatives

Ziba Ardalan, Edwin A. C. Lucken

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

english

File:

PDF, 385 KB

english, 1973

33

Repetitive Excess Mixed Anhydride (REMA) Synthesis of Peptides. The protected C-terminal hexadecapeptide of secretin

A. van Zon, H. C. Beyerman

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

english

File:

PDF, 680 KB

english, 1973

34

Photochemical α-Cleavage of β, γ-Unsaturated Aryl Ketones: Competition between recombination/disproportionation and dissociation in geminate singlet and triplet radical pairs

Hans-Ulrich Gonzenbach, Kurt Schaffner, Bernd Blank, Hanns Fischer

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

english

File:

PDF, 632 KB

english, 1973

35

Über den Einfluss nichtpolarer Lösungsmittel auf Lage und Intensität von Absorptionsbanden in den Elektronenspektren apolarer Molekeln: II. Polyacetylene

Heinz Christen, Else Kloster-Jensen

Journal:

Helvetica Chimica Acta

Year:

1973

File:

PDF, 604 KB

1973

36

Intramolecular Diels-Alder reactions: Construction of aza- and diaza-steroid type skeletons

Heinz W. Gschwend

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

english

File:

PDF, 869 KB

english, 1973

37

Über die Cyclialkylierung von Dimethylarylhexanolen. Vorläufige Mitteilung

Edgardo Giovannini, Kurt Brandenberger

Journal:

Helvetica Chimica Acta

Year:

1973

File:

PDF, 268 KB

1973

38

Darstellung von neutralen, lipophilen Liganden für Membranelektroden mit Selektivität für Erdalkali-Ionen

Daniel Ammann, Ernö Pretsch, Wilhelm Simon

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

german

File:

PDF, 582 KB

german, 1973

39

Über das 2-Nitrothiophen

Hubert Maag, Badrig K. Manukian

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

german

File:

PDF, 276 KB

german, 1973

40

Versuche zur Synthese der 4-Thio-D-glucose

L. Vegh, E. Hardegger

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

german

File:

PDF, 576 KB

german, 1973

41

1, 4-Dimethylcyclohex-3-enyl Methyl Ketone, a monoterpenoid with a novel skeleton

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

english

File:

PDF, 204 KB

english, 1973

42

Utilisation d'ylides du phosphore en chimie des sucres. XVIII Synthèse de furannoses à insaturation conjuguée. Communication préliminaire

Jean M. J. Tronchet, Christian Cottet, Bernard Gentile, Eva Mihaly, Jean-Bernard Zumwald

Journal:

Helvetica Chimica Acta

Year:

1973

File:

PDF, 287 KB

1973

43

A New Stereoselective Approach to Substituted Pyrrolidines by Intramolecular Ene-Reactions. Preliminary communication

Wolfgang Oppolzer, Emil Pfenninger, Kathrin Keller

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

english

File:

PDF, 312 KB

english, 1973

44

The Total Synthesis of (±) β-Acorenol. Preliminary communication

Wolfgang Oppolzer

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

english

File:

PDF, 180 KB

english, 1973

45

Bildung von 2-(1-Methyl-1, 4, 5, 6-tetrahydropyridyl-3)-2-oxazolin-4-on aus 1-Methyl-1, 4, 5, 6-tetrahydronicotinsäureamid und Bromessigsäureäthylester und seine Überführung in O-(1-Methylnipecotinoyl)glykolsäureamid via das dazu tautomere Cyclol

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

german

File:

PDF, 225 KB

german, 1973

46

Über Pterinchemie. 43. Mitteilung [1]. Synthese von D-Neopterin-3′-phosphat und D-Neopterin-2′, 3′-cyclophosphat. Betrachtungen über die Biopterin-Biogenese

Max Viscontini, Yoshiteru Furuta

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

german

File:

PDF, 351 KB

german, 1973

47

The ring contraction of cyclic trimethylsilyl enol ethers with arenesulfonyl azides. Ring expansion and ring contraction reactions by means of diazonium betaines. III [1]. Preliminary communication

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

english

File:

PDF, 145 KB

english, 1973

48

Mitteilungen – Communications

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

english

File:

PDF, 58 KB

english, 1973

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