Volume 76; Issue 3

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Helvetica Chimica Acta
Volume 76; Issue 3

Helvetica Chimica Acta

Volume 76; Issue 3

1

Masthead

Journal:

Helvetica Chimica Acta

Year:

1993

File:

PDF, 29 KB

1993

2

Organische Photochemie im Spiegel von Helvetica Chimica Acta

Heinz Heimgartner, Hans-Jürgen Hansen

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

german

File:

PDF, 11.49 MB

german, 1993

3

Structural chemistry in Helvetica Chimica Acta, 1917–1992

Hans-Beat Bürgi, Jack D. Dunitz

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 6.85 MB

english, 1993

4

Synthetische Analoga von niedermolekularen Spinnentoxinen mit Acyl-polyamin-Struktur

Wolfgang J. Fiedler, Armin Guggisberg, Manfred Hesse

Journal:

Helvetica Chimica Acta

Year:

1993

File:

PDF, 1.09 MB

1993

5

Homoconjugated ketones with extended unsaturation: Wavelength-selective, regioselective, diastereoselective, and enantiospecific photochemical transformations of methyl 7-oxospiro[5.5]undeca-1,3-and -2,4,-diene-2-carboxylate

Jakob Oren, Michaela Vardi, Rossana Viskin, Sarah Abramson, Benzion Fuchs

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 738 KB

english, 1993

6

The Chemistry of Coumarin Derivatives. Part 5. Unusual course of the reaction of 4-hydroxycoumarin and aliphatic aldehydes

Giovanni Appendino, Giancarlo Cravotto, Gian Mario Nano, Giovanni Palmisano, Rita Annunziata

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 475 KB

english, 1993

7

Absolute Configuration of 2-Substituted 2-Azabicyclo[2.2.1]hept-5-enes

Esteban Pombo-Villar, Jakob Boelsterli, Maria Magdalena Cid, Julien France, Beat Fuchs, Malcolm Walkinshaw, Hans-Peter Weber

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 781 KB

english, 1993

8

The 2H,2H-INADEQUATE experiment: Detection of One- and Two-Spin Double Quantum Coherences

Hans-Egbert Mons, Klaus Bergander, Harald Günther

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 164 KB

english, 1993

9

Enantioselective Copper-Catalyzed 1,4-Addition of Grignard Reagents to α,β-Unsaturated Carbonyl Compounds

Maurus Spescha, Grety Rihs

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 693 KB

english, 1993

10

Improved Purification of C60 and Formation of σ- and π-Homoaromatic methano-bridged fullerenes by reaction with alkyl diazoacetates

Lyle Isaacs, Arno Wehrsig, François Diederich

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 1.08 MB

english, 1993

11

Photoisomerization of 2H,6H-thiin-3-one 1-oxides to 3H,7H-[1,2]oxathiepin-4-ones

Ronald Kowalewski, Paul Margaretha

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 321 KB

english, 1993

12

Assignment of 15N-NMR resonances of vitamin B12 analogues by 2D-[15N, 1H] long-range correlation: Fully [15N]-labelled Co-β-cyano-5-hydroxybenzimidazoylcobamide (factor III) and derivatives

Roger Hollenstein†, Erhard Stupperich

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 394 KB

english, 1993

13

Palladium-Catalyzed ‘Metallo-Ene’-Type Cyclization/Vinylstannane Coupling of 1-Acetoxy-octa-2,7-dienes and 1-Acetoxy-oct-2-en-7-ynes

Wolfgang Oppolzer, José Ruiz-Montes

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 573 KB

english, 1993

14

An Efficient Enantioselective Synthesis of (—)-Serricorole

Wolfgang Oppolzer, Inès Rodriguez

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 446 KB

english, 1993

15

Stereocontrolled Syntheses of Polysubstituted 2,3-Dihydro-4H-pyran-4-ones by cyclocondensation of β- acyloxy-ketones

Wolfgang Oppolzer, Inés Rodriguez

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 646 KB

english, 1993

16

Lanthanide-nitrate interaction in anhydrous acetonitrile and coordination numbers of the lanthanide ions: FT‒IR study

Jean-Claude G. Bünzli, Anita Milicic-Tang, Catherine Mabillard

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 676 KB

english, 1993

17

Nachbargruppeneffekte in der Gas-Phase: Intramolekulare Deacetalisierung von Hydroxyacetalen unter den Bedingungen der chemischen Ionisation

Stefan Matile, Agnes Janowitz, Sandro Ghirlanda, Annalaura Lorenzi-Riatsch, Albert Horni, Attila Moricz, Stefan Bienz, Norbert Bild, Wolf-Dietrich Woggon, Manfred Hesse

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

german

File:

PDF, 298 KB

german, 1993

18

Structural Study of Pinacidil, a Potassium-Channel Opener Belonging to the chemical class of N-alkyl-N″-cyano-N′-pyridylguanidines

Bernard Pirotte, Pascal de Tullio, Bernard Masereel, Marc Schynts, Jacques Delarge, Léon Dupont

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 442 KB

english, 1993

19

Transient Radicals Formed by Electron Transfer between inorganic ions and excited aromatic molecules in polar solvents

Marek Mac, Jakob Wirz, Jan Najbar

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 621 KB

english, 1993

20

Radical Ions of a Bishomobinaphthylene Containing two 1,6-methano[10]annulene moieties: An ESR and ENDOR study

Rainer Bachmann, Fabian Gerson, Andreas Kusch, Emanuel Vogel

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 608 KB

english, 1993

21

Nucleotide Coupling in Reverse Micelles

Christof Böhler, Pier Luigi Luisi, Willi Bannwarth, Mauro Giustini

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 629 KB

english, 1993

22

Ilwensisaponins A, B, C, and D: Triterpene Saponins from Scrophularia ilwensis

İhsan Çaliş, Murat Zor, A. Ahmet Başaran, Athony D. Wright, Otto Sticher

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 483 KB

english, 1993

23

Development of Luminescent Europium(III) and Terbium(III) chelates of 2,2′:6′,2″- terpyridine derivatives for protein labelling

Veli-Matti Mukkala, Matti Helenius, Ilka Hemmilä, Jouko Kankare, Harri Takalo

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 1.14 MB

english, 1993

24

Novel Acetogenins from the Leaves of Annona purpurea

Felicitas Cepleanu, Kazuhiro Ohtani, Matthias Hamburger, Kurt Hostettmann, Mahabir P. Gupta, Pablo Solis

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 582 KB

english, 1993

25

EHT Model Studies on Coordination-Sphere Effects in the Elementary steps of d0 transition-metal-catalyzed Ziegler-Natta polymerization

Roland Mohr, Heinz Berke, Gerhard Erker

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 1.19 MB

english, 1993

26

Communication

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 79 KB

english, 1993