Volume 61; Issue 7

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Helvetica Chimica Acta
Volume 61; Issue 7

Helvetica Chimica Acta

Volume 61; Issue 7

1

Masthead

Journal:

Helvetica Chimica Acta

Year:

1978

File:

PDF, 48 KB

1978

2

Metal Complexes with Macrocyclic Ligands. X. On the metal complexation kinetics of two N4-macrocycles containing a pyridine ring

Philipp Schultz-Grunow, Thomas A. Kaden

Journal:

Helvetica Chimica Acta

Year:

1978

Language:

english

File:

PDF, 254 KB

english, 1978

3

Metal Complexes with Macrocyclic Ligands. XI. Ring size effect on the complexation rates with transition metal ions

Alex P. Leugger, Liselotte Hertli, Thomas A. Kaden

Journal:

Helvetica Chimica Acta

Year:

1978

Language:

english

File:

PDF, 509 KB

english, 1978

4

The Dianions of Pyrene and Pyrene Isomers as (4n)π-Perimeters

Journal:

Helvetica Chimica Acta

Year:

1978

Language:

english

File:

PDF, 621 KB

english, 1978

5

Identification of Twenty-one Novel Constituents of Oriental Tobacco Flavour (Nicotiana tabacumL.) including (E)-3-methyl-non-2-en-4-one, pentadecan-15-olide, 8α, 13:9α, 13-diepoxy-15, 16-dinorlabdane, (Z)-octadec-9-en-18-olide, and (E)-2-ethylidene-6, 10, 14-trimethyl-pentadecanal

Edouard Demole, Paul Enggist

Journal:

Helvetica Chimica Acta

Year:

1978

Language:

english

File:

PDF, 566 KB

english, 1978

6

Inhaltsstoffe des Osmanthus-Absolues. 4. Mitteilung: Megastigma-5, 7 (E), 9-trien-4-on und Megastigma-5, 8 (E)-dien-4-on

Roman Kaiser, Dietmar Lamparsky

Journal:

Helvetica Chimica Acta

Year:

1978

File:

PDF, 496 KB

1978

7

Competing Fragmentation, Substitution and Elimination in the Solvolysis of Alkylated 3-Chloropropanols and their Ethers. Fragmentation reactions no. 28

Walter Fischer, Cyril A. Grob

Journal:

Helvetica Chimica Acta

Year:

1978

Language:

english

File:

PDF, 763 KB

english, 1978

8

Investigation of the Head-Space of Roasted Meat II. Synthesis of substituted 2, 4, 5-trithia-hexanes

Paul Dubs, Rita Stüssi

Journal:

Helvetica Chimica Acta

Year:

1978

Language:

english

File:

PDF, 539 KB

english, 1978

9

Chemical Synthesis and Biological Activity of the Dogfish (Squalus acanthias) α-melanotropins I and II, and of related peptides

Alex Eberle, Yao-Shih Chang, Robert Schwyzer

Journal:

Helvetica Chimica Acta

Year:

1978

Language:

english

File:

PDF, 892 KB

english, 1978

10

Clark-ähnlicher Wasserstoffdetektor

Hans-Rudolf Grüniger, Barbara Sulzberger, Gion Calzaferri

Journal:

Helvetica Chimica Acta

Year:

1978

File:

PDF, 353 KB

1978

11

Chloracylierung und Bromacylierung von Carbonylverbindungen. IV. Bildungsmechanismus von Carbonsäure-(1-halogenalkyl)estern

Peter Bigler, Markus Neuenschwander

Journal:

Helvetica Chimica Acta

Year:

1978

Language:

german

File:

PDF, 833 KB

german, 1978

12

Totalsynthese von (+)-D-Homo-19-nortestosteron

Jürg Gutzwiller, Ludvik Labler, Werner Meier, Andor Fürst, Ulrich Eder, Gerhard Sauer, Rudolf Wiechert

Journal:

Helvetica Chimica Acta

Year:

1978

File:

PDF, 725 KB

1978

13

Synthesis and properties of chiral macrotricyclic ligands. Complexation and transport of chiral molecular cations and anions

Jean-Marie Lehn, Jacques Simon, Alexandre Moradpour

Journal:

Helvetica Chimica Acta

Year:

1978

Language:

english

File:

PDF, 805 KB

english, 1978

14

Synthese von 1, 3, 4-Oxadiazolen und 4, 5-Dihydro-1, 2, 4-triazinen aus 3-Dimethylamino-2, 2-dimethyl-2 H-azirin und Carbohydraziden

Journal:

Helvetica Chimica Acta

Year:

1978

File:

PDF, 551 KB

1978

15

«Push-Pull»-Acetylene als Hilfsmittel zur Synthese von Amiden

Markus Neuenschwander, Ulrich Lienhard, Hans-Peter Fahrni, Beat Hurni

Journal:

Helvetica Chimica Acta

Year:

1978

File:

PDF, 585 KB

1978

16

«Push-Pull»-Acetylene als Hilfsmittel zur Synthese von Peptiden

Markus Neuenschwander, Hans-Peter Fahrni, Ulrich Lienhard

Journal:

Helvetica Chimica Acta

Year:

1978

File:

PDF, 999 KB

1978

17

Über die Synthese von 1-Aryl-und 1-Alkyl-2, 3-dimethyl-chinoxalinium-perchloraten. 2. Mitteilung. Synthese und 1H-NMR.-Spektren von 2,3-Dimethyl-1-phenyl-6-X-chinoxalinium-perchloraten

Journal:

Helvetica Chimica Acta

Year:

1978

File:

PDF, 679 KB

1978

18

The kinetics of the bimolecular self-reaction of t-butyl radicals in solution. II. Disproportionation/combination ratios

Hans-Herbert Schuh, Hanns Fischer

Journal:

Helvetica Chimica Acta

Year:

1978

Language:

english

File:

PDF, 952 KB

english, 1978

19

Allylic Reactions of Benzocyclopropenes. Discrimination of halogen substituents in 1, 1-Dihalogenobenzocyclopropenes

Paul Müller, Robert Etienne, Jean Pfyffer, Nelson Pineda, Michel Schipoff

Journal:

Helvetica Chimica Acta

Year:

1978

Language:

english

File:

PDF, 378 KB

english, 1978

20

Studies on Radical Cations I. Molecular and electronic structure of [3]radialene cation produced by γ-irradiation in condensed phase

Thomas Bally, Edwin Haselbach, Zuzana Lanyiova, Peter Baertschi

Journal:

Helvetica Chimica Acta

Year:

1978

Language:

english

File:

PDF, 780 KB

english, 1978

21

Michael-Addition von Thiocarbonsäureestern Anwendung bei der Synthese von (±)-Jasminketolacton

Hans Gerlach, Peter Künzler

Journal:

Helvetica Chimica Acta

Year:

1978

File:

PDF, 481 KB

1978

22

2-Stannyl-1, 3-dithiane Herstellung, Sn/Li-Transmetallierung und Verwendung für Cyclisierungen

Dieter Seebach, Ingrid Willert, Albert K. Beck, Bengt-Thomas Gröbel

Journal:

Helvetica Chimica Acta

Year:

1978

File:

PDF, 972 KB

1978

23

An Efficient Synthesis of Methyl (±)-Jasmonate and (Z)-Jasmone

Ferdinand Näf, René Decorzant

Journal:

Helvetica Chimica Acta

Year:

1978

Language:

english

File:

PDF, 341 KB

english, 1978

24

The Partition Coefficient of Protonated Antihistamines. Its calculation and interpretation in terms of hydrophobic fragmental constants

Bernard Testa, Livia Murset-Rossetti

Journal:

Helvetica Chimica Acta

Year:

1978

Language:

english

File:

PDF, 452 KB

english, 1978

25

Nucleophilic Addition to a Triple Bond; Preliminary ab initio study

Odile Eisenstein, Garry Procter, Jack D. Dunitz

Journal:

Helvetica Chimica Acta

Year:

1978

Language:

english

File:

PDF, 197 KB

english, 1978

26

Claisen-Umlagerung von 2-Propinyl-(3-pyridyl)-und Allyl-(3-pyridyl)äthern

Jens Bruhn, Janos Zsindely, Hans Schmid, György Fráter

Journal:

Helvetica Chimica Acta

Year:

1978

File:

PDF, 1.08 MB

1978

27

Cob(I)alamin als Katalysator. 1. Mitteilung. Reduktion von gesättigten Nitrilen in wässeriger Lösung

Journal:

Helvetica Chimica Acta

Year:

1978

File:

PDF, 1.14 MB

1978

28

Nucleoside und Nucleotide, Teil 12. Synthese von Dinucleosidmonophosphaten mit 1-(2′-Desoxy-β-D-ribofuranosyl)-2(1H)-pyrimidon als Baustein

Ernst Volz, Christoph Tamm

Journal:

Helvetica Chimica Acta

Year:

1978

File:

PDF, 592 KB

1978

29

Nucleosides and Nucleotides. Part 13. Synthesis and spectral properties of 1- (3′-O-Phosphoryl-2′-deoxy-β -D-ribofuranosyl)-2(1H)-pyridone-(3′-5′)-1-(2′-deoxy-β-D-ribofuranosyl)-2 (1H)-pyridone

Nico Cerletti, Urs Séquin, Christoph Tamm, Werner Zürcher

Journal:

Helvetica Chimica Acta

Year:

1978

Language:

english

File:

PDF, 444 KB

english, 1978

30

13C-NMR. Spectra of 4-Substituted Quinuclidines. Polar effects, Part V

Konrad B. Becker, Cyril A. Grob

Journal:

Helvetica Chimica Acta

Year:

1978

Language:

english

File:

PDF, 625 KB

english, 1978

31

Synthese von Nor-β-cyclocitral, Norsafranal und 2, 2′-Dinor-β-carotin

Frank Kienzle, Rudolf E. Minder

Journal:

Helvetica Chimica Acta

Year:

1978

File:

PDF, 191 KB

1978

32

Synthese von optisch aktiven, natürlichen Carotinoiden und strukturell verwandten Naturprodukten. II. Synthese von (3 S, 3′S)-Astaxanthin

Frank Kienzle, Hans Mayer

Journal:

Helvetica Chimica Acta

Year:

1978

Language:

german

File:

PDF, 453 KB

german, 1978

33

Synthese von optisch aktiven, natürlichen Carotinoiden und strukturell verwandten Verbindungen. III. Synthese von (+)-Abscisinsäure, (−)-Xanthoxin, (−)-Loliolid, (−)-Actinidiolid und (−)-Dihydroactinidiolid

Frnak Kienzle, Hans Mayer, Rudolf E. Minder, Hans Thommen

Journal:

Helvetica Chimica Acta

Year:

1978

Language:

german

File:

PDF, 712 KB

german, 1978

34

Valenzisomerisierungsversuche an substituierten 2-Phenyl-4-phenylazo-benzotriazolen: Grenzen der Boulton-Katritzky-Umlagerung

Heinz Balli, Sigmund Gunzenhauser

Journal:

Helvetica Chimica Acta

Year:

1978

Language:

german

File:

PDF, 1000 KB

german, 1978

35

Die Struktur des Spermin-Alkaloides Aphelandrin aus Aphelandra squarrosa NEES. 170. Mitteilung über organische Naturstoffe

Peter Dätwyler, Herbert Bosshardt, Heinz O. Bernhard, Manfred Hesse, Siegfried Johne

Journal:

Helvetica Chimica Acta

Year:

1978

File:

PDF, 1.75 MB

1978

36

Neue Macrolide und einige Sesquiterpen-Derivate aus dem Galbanum-Harz

Roman Kaiser, Dietmar Lamparsky

Journal:

Helvetica Chimica Acta

Year:

1978

File:

PDF, 684 KB

1978

37

Photochemische Reaktionen. 97 Mitteilung [1]. Zur Photochemie konjugierter Epoxy-diene II. Versuche mit (E)-β-Jonyliden-epoxiden

Alex Peter Alder, Hans Richard Wolf, Oskar Jeger

Journal:

Helvetica Chimica Acta

Year:

1978

File:

PDF, 923 KB

1978

38

Isolation by HPLC. and Identification by NMR. Spectroscopy of 11 mono-, di- and tri-cis isomers of an aromatic analogue of retinoic acid, ethyl all-trans-9-(4-methoxy-2,3,6-trimethylphenyl)-3,7-dimethyl-nona-2,4,6, 8-tetraenoate

Gerhard Englert, Siegfried Weber, Michael Klaus

Journal:

Helvetica Chimica Acta

Year:

1978

Language:

english

File:

PDF, 685 KB

english, 1978

39

Synthese des Sesquiterpen-Ketones Shyobunon und seiner Diastereomeren

György Fráter

Journal:

Helvetica Chimica Acta

Year:

1978

File:

PDF, 673 KB

1978

40

Hydrogen Evolution from Water by Visible Light, a Homogeneous Three Component Test System for Redox Catalysis

Kuppuswamy Kalyanasundaram, John Kiwi, Michael Grätzel

Journal:

Helvetica Chimica Acta

Year:

1978

Language:

english

File:

PDF, 604 KB

english, 1978

41

Über Pterinchemie. 65 Mitteilung [1]. Herstellung von (6 R, S)-5,6,7,8-Tetrahydro-L-biopterin, 7,8-Dihydro-L-biopterin, L-Sepiapterin, Deoxysepiapterin, (6 R, S)-5,6-Dihydrodeoxysepiapterin und 2′-Deoxybiopterin

Bernhard Schircks, Jost H. Bieri, Max Viscontini

Journal:

Helvetica Chimica Acta

Year:

1978

File:

PDF, 437 KB

1978

42

Über Pterinchemie. 68 Mitteilung [1]. Regiospezifische Deuterierungen von Folsäure

Esam Khalifa, Hans-Jürg Furrer, Jost H. Bieri, Max Viscontini

Journal:

Helvetica Chimica Acta

Year:

1978

File:

PDF, 236 KB

1978

43

Über Pterinchemie. 69 Mitteilung [1]. Konformationsanalyse von 5,6,7,8-Tetrahydropteroinsäure und 5,6,7,8-Tetrahydro-L-folsäure

Hans-Jürg Furrer, Jost H. Bieri, Max Viscontini

Journal:

Helvetica Chimica Acta

Year:

1978

File:

PDF, 376 KB

1978

44

Eine decarboxylative Dimerisierung von Maleinsäureanhydrid zu Dimethylmaleinsäureanhydrid

Marcus E. Baumann, Hans Bosshard

Journal:

Helvetica Chimica Acta

Year:

1978

File:

PDF, 178 KB

1978

45

Mitteilungen

Journal:

Helvetica Chimica Acta

Year:

1978

Language:

english

File:

PDF, 91 KB

english, 1978