Volume 57; Issue 7

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Helvetica Chimica Acta
Volume 57; Issue 7

Helvetica Chimica Acta

Volume 57; Issue 7

1

Masthead

Journal:

Helvetica Chimica Acta

Year:

1974

File:

PDF, 41 KB

1974

2

Formation and Dissociation Mechanism of Amide Complexes, IV. Protonation and deprotonation of the Cu2+ and Ni2+ complexes of 3,7-diazanonanediamide and 3,7-diazanonane-N,N′-diethylamide

Andreas D. Zuberbühler, Thomas A. Kaden

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 365 KB

english, 1974

3

Stoffwechselprodukte von Mikroorganismen. 139. Mitteilung. Synthesen in der Sideramin-Reihe: Rhodotorulasäure und Dimerumsäure

Jörg Widmer, Walter Keller-Schierlein

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

german

File:

PDF, 605 KB

german, 1974

4

Azidiniumsalze. 12. Mitteilung [1]. Das ambidente reaktive Verhalten des 2-Azido-3-äthyl-benzthiazolium-Ions gegenüber Nucleophilen

Journal:

Helvetica Chimica Acta

Year:

1974

File:

PDF, 470 KB

1974

5

Neue β-Lactam-Antibiotika. Über Derivate der 3-Hydroxy-7-amino-ceph-3-em-4-carbonsäure. Modifikationen von Antibiotika, 10. Mitteilung [1]

Riccardo Scartazzini, Hans Bickel

Journal:

Helvetica Chimica Acta

Year:

1974

File:

PDF, 1.18 MB

1974

6

Sur l'amino-5-benzoyl-4-méthyl-3-isoxazole: synthèse et transformation en dihydro-6,8-diméthyl-3,8-phényl-4-7H-isoxazolo[5,4-e]diazépin-1,4-one-7

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 568 KB

english, 1974

7

Isokinetic Relationships in Alcohol Oxidation with Chromic Acid

Paul Müller, Jean-Claude Perlberger

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 388 KB

english, 1974

8

Dielectric Properties of Apolar Micelle Solutions Containing Solubilized Water

Hans-Freidrich Eicke, John C. W. Shepherd

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 712 KB

english, 1974

9

Recherches dans la série des cyclitols XLV. Action des diazoalcanes sur la pentahydroxy-2,4,6/3,5-cyclohexanone et sur son dérivé penta-O-acétylé. I. Etude des spiro-époxydes

André Giddey, Florea G. Cocu, Béatrice Pochelon, Théodore Posternak

Journal:

Helvetica Chimica Acta

Year:

1974

File:

PDF, 879 KB

1974

10

Recherches dans la série des cyclitols XLVI. Actions de diazoalcanes sur la pentahydroxy-2,4,6/3,5-cyclohexanone et sur son dérivé penta-O-acétylé II. Etude de pentahydroxy-alkyl-C-cycloheptanones

Florea G. Cocu, Béatrice Pochelon, André Giddey, Théodore Posternak

Journal:

Helvetica Chimica Acta

Year:

1974

File:

PDF, 1.03 MB

1974

11

Über die Umsetzung von 1-Phenylpyrazol mit Äthylmagnesiumbromid. 8. Mitteilung über Grignard-Reaktionen [1]

Adrian Marxer, Max Siegrist

Journal:

Helvetica Chimica Acta

Year:

1974

File:

PDF, 683 KB

1974

12

Darstellung und Bildungsmechanismus von π-Cyclopentadienyl-nickel-(tert.-phosphit)-dialkylphosphonat-Komplexen – eine metallorganische Variante der Michaelis-Arbuzov-Reaktion

John Clemens, Heinrich Neukomm, Helmut Werner

Journal:

Helvetica Chimica Acta

Year:

1974

File:

PDF, 724 KB

1974

13

Reaction Rates of t-Butyl and Pivaloyl Radicals in Solution

Hans Schuh, Edwin J. Hamilton Jr., Henning Paul, Hanns Fischer

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 695 KB

english, 1974

14

Neue Derivate der 7-Amino-cephalosporansäure. Über die Substitution der Acetoxygruppe durch aromatische Reste. Modifikationen von Antibiotica, 11. Mitteilung [1]

Heinrich Peter, Hermann Rodriguez, Beat Müller, Walter Sibral, Hans Bickel

Journal:

Helvetica Chimica Acta

Year:

1974

File:

PDF, 1.50 MB

1974

15

Neue β-Lactam-Antibiotika. Über die Darstellung und Decarbonylierung von 3-Formylcephem-Verbindungen. Modifikationen von Antibiotica, 12. Mitteilung [1]

Heinrich Peter, Hans Bickel

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

german

File:

PDF, 870 KB

german, 1974

16

Terpenoids Derived from Linalyl Oxide. Part 1. The stereochemistry of the davanones

Alan F. Thomas, Walter Thommen, Bruno Willhalm, Edward W. Hagaman, Ernest Wenkert

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 371 KB

english, 1974

17

Terpenoids Derived from Linalyl Oxide. Part 2. The isolation and synthesis of nordavanone, A C11-terpenoid from Artemisia pallens

Alan F. Thomas, Michel Ozainne

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 242 KB

english, 1974

18

Terpenoids Derived from Linalyl Oxide. Part 3. The isolation, structure, absolute configuration and synthesis of the davanafurans, nor-sesquiterpenes isolated from Artemisia Pallens

Alan F. Thomas, Renée Dubini

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 589 KB

english, 1974

19

Terpenoids Derived from Linalyl Oxide, Part 4. The oxidation of davanone. Isolation and synthesis of the davana ethers, sesquiterpenes of Artemisia Pallens

Alan F. Thomas, Renée Dubini

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 375 KB

english, 1974

20

Terpenoids Derived from Linalyl Oxide. Part 5. 2-(2-Methyl-2-vinyltetrahydrofur-5-yl)-2,6,6-trimethyl-2,6-dihydropyr-3-one, a new sesquiterpenoid isolated from Artemisia Pallens

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 193 KB

english, 1974

21

The [2,3] Sigmatropic Reaction of Acetonyl Allyl Ethers, a new method for preparing certain 2-hydroxyketones

Alan F. Thomas, Renée Dubini

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 279 KB

english, 1974

22

Novel Synthesis of 3,5,5-Trimethyl-4-(2-butenylidene)-cyclohex-2-en-1-one, a Major Constituent of Burley Tobacco Flavour

Edouard Demole, Paul Enggist

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 303 KB

english, 1974

23

The Wall Effect on Hydrogen Formation in the Vapour-Phase Radiolysis of c-C6D12 and n-C7D16

Noboru Fujisaki, Tino Gäumann

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 497 KB

english, 1974

24

Dediazoniations of Arene Diazonium Ions in Homogeneous Solution. Part VI: Solvolyses in 2,2,2-trifluoroethanol/water mixtures and exclusion of a potential aryne mechanism

Peter Burri, George H. Wahl Jr., Heinrich Zollinger

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 402 KB

english, 1974

25

1,2,3,4,5-Pentamethyl-5-acetyl-cyclopentadien-1,3, ein ungewöhnliches Keton

Ulrich Burger, Arlette Delay, François Mazenod

Journal:

Helvetica Chimica Acta

Year:

1974

File:

PDF, 408 KB

1974

26

On the Ring-Expansion in Aromatic Nitrenes and Carbenes

Rolf Gleiter, Wolfgang Rettig, Curt Wentrup

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 698 KB

english, 1974

27

FIR.-Spektren von Übergangsmetallkomplexen mit orthogonalem Ligandensystem. I. Halogeno-Kupfer(II)-Komplexe methylsubstituierter Pyridine

Hans-Rudolf Stieger, Werner Ludwig

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

german

File:

PDF, 403 KB

german, 1974

28

Synthesis of Some Structural Analogues of LH-RH Modified in Position 5, their in vivo and in vitro Gonadotropin-releasing Activity and Immunoreactivity

Hans Künzi, Dieter Gillessen, Arnold Trzeciak, Rolf O. Studer, Bernard Kerdelhué, Marian Jutisz, Wolfgang Lotz

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 670 KB

english, 1974

29

Dicationic Diolefinic Complexes of Palladium(II) and Platinum(II). Preliminary communication

Raymond Roulet, Raymond Vouillamoz

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 142 KB

english, 1974

30

Energy Sequence of the Lowest Antibonding Orbitals in Symmetrical Didehydro[n]annulenes with n = 4N+2

Fabian Gerson, Joanna Jachimowicz, Masazumi Nakagawa, Masahiko Iyoda

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 423 KB

english, 1974

31

Die Aufklärung der Isomerie-Ursachen bei äquatorial koordinierten 2 : 1-Arylazo-Co(III)-Komplexen mit Hilfe der kernmagnetischen Protonenresonanz

Guido Schetty, Eginhard Steiner

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

german

File:

PDF, 908 KB

german, 1974

32

Photochemische Cycloadditionen von 3-Phenyl-2H-azirinen mit Ketonen, Acylcyaniden und Ketoestern. 33. Mitteilung über Photoreaktionen

Peter Claus, Paul Gilgen, Hans-Jürgen Hansen, Heinz Heimgartner, Barry Jackson, Hans Schmid

Journal:

Helvetica Chimica Acta

Year:

1974

File:

PDF, 1.31 MB

1974

33

The Gas-Solid Interface Heats of Adsorption of Simple Molecules on Microporous Carbons and on Graphitized Carbon Blacks, at Low Surface Coverage

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 258 KB

english, 1974

34

The Gas-Solid Interface Calculations of Adsorption Potentials in Slot-Like Pores of Molecular Dimensions

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 272 KB

english, 1974

35

Configuration of Pilocarpus Alkaloids

Helmut Link, Karl Bernauer, Willi E. Oberhänsli

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 122 KB

english, 1974

36

Zur Herstellung von 1,2,3-Tricarbonylverbindungen aus 1,3-Dicarbonylverbindungen. 27. Mitteilung über Reduktone und Tricarbonylverbindungen [1]

Francis Dayer, Huu Lê Dao, Hellmut Gold, Heike Rodé-Gowal, Hans Dahn

Journal:

Helvetica Chimica Acta

Year:

1974

File:

PDF, 609 KB

1974

37

Umlagerung und Spaltung von α, β-Dioxopropionsäureestern in alkalischem Milieu. 28. Mitt. über Reduktone und Tricarbonylverbindungen [1]

Heike Rodé-Gowal, Huu Lé Dao, Hans Dahn

Journal:

Helvetica Chimica Acta

Year:

1974

File:

PDF, 463 KB

1974

38

Alkalische Spaltung und Benzilsäureumlagerung von 1,2,3-Triketonen. 29. Mitt. über Reduktone und Tricarbonylverbindungen [1]

Huu Lé Dao, Francis Dayer, Laurent Duc, Heike Rodé-Gowal, Hans Dahn

Journal:

Helvetica Chimica Acta

Year:

1974

File:

PDF, 580 KB

1974

39

Reversible Photochemistry, Absorption- and 1H-NMR.-spectra, and oxidation of the [2,2]metacyclophane-1-ene ⇄ 4,5,15,16-tetrahydropyrene system

R. Naef, Ernst Fischer

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 559 KB

english, 1974

40

Die Konfiguration der stereoisomeren Tris(glycinato)-Kobalt(III)-Komplexe

Hans Gerlach, Klaus Müllen

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

german

File:

PDF, 251 KB

german, 1974

41

The Photochemical Behavior of Endocyclic Oxa-enones with Substituents on the CC Double Bond. (Preliminary communication)

Paul Margaretha

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 361 KB

english, 1974

42

Reaction of Singlet Oxygen with 2-Methylnorborn-2-ene, 2-Methylidenenorbornane, and their 7,7-Dimethyl Derivatives. The transition state geometry for hydroperoxidation

Charles W. Jefford, André F. Boschung

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 963 KB

english, 1974

43

The Reaction of Singlet Oxygen with Norbornene

Charles W. Jefford, André F. Boschung

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 315 KB

english, 1974

44

Selektive Synthesen mit Organometallen II: Metallierung und Abwandlung funktionell substituierter Alkene

Jürgen Hartmann, Ramamurthi Muthukrishnan, Manfred Schlosser

Journal:

Helvetica Chimica Acta

Year:

1974

File:

PDF, 967 KB

1974

45

The Stabilization Energy of [18] Annulene. A thermochemical determination

Jean F. M. Oth, Jean-Claude Bünzli, Yves de Julien de Zélicourt

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 717 KB

english, 1974

46

The ionization energies of bridged [14]annulenes and of dicyclohepta[cd, gh] pentalene

Christopher Batich, Edgar Heilbronner, Emanuel Vogel

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 1.05 MB

english, 1974

47

Synthesen der Nonactinsäure

Hans Gerlach, Hansjürg Wetter

Journal:

Helvetica Chimica Acta

Year:

1974

File:

PDF, 1.15 MB

1974

48

Errata

Journal:

Helvetica Chimica Acta

Year:

1974

File:

PDF, 70 KB

1974

49

Mitteilungen – Communications

Journal:

Helvetica Chimica Acta

Year:

1974

Language:

english

File:

PDF, 112 KB

english, 1974

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