Volume 73; Issue 7

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Helvetica Chimica Acta
Volume 73; Issue 7

Helvetica Chimica Acta

Volume 73; Issue 7

1

Masthead

Journal:

Helvetica Chimica Acta

Year:

1990

File:

PDF, 35 KB

1990

2

Stereoelectronic Aspects of the Anomeric Effect in Fluoromethylamine

John J. Irwin, Tae-Kyu Ha, Jack D. Dunitz

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 704 KB

english, 1990

3

Reinvestigation of the Conformation of Cyclosporin A in Chloroform

Horst Kessler, Matthias Köck, Thomas Wein, Matthias Gehrke

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 822 KB

english, 1990

4

Regio-, Diastereo-, and Enantioselective Synthesis of Vicinal Diols via α-Silyl Ketones

Dieter Enders, Shiro Nakai

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 258 KB

english, 1990

5

Enzyme-Mediated Regioselective Acylations of Flavonoid Disaccharide Monoglycosides

Bruno Danieli, Paolo De Bellis, Giacomo Carrea, Sergio Riva

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 469 KB

english, 1990

6

A Novel Type of Dimeric Secoiridoid Glycoside from Lisianthius jefensis ROBYNSet ELIAS

Matthias Hamburger, Maryse Hostettmanna, Helen Stoeckli-Evans, Pablo N. Soils, Mahabir P. Gupta, Kurt Hostettmanna

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 478 KB

english, 1990

7

Circular Dichroism of Some 2-(Phenylmethyl)pyridine Derivatives

Nikolina Berova, Stefan Eojadziev, Nevenka Bresciani-Pahor, Petko M. Ivanova, Biserka Kojić-Prodicć, Rositza Rakovska, ŽIva Ružić-Toroš, Günther Snatzke

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 489 KB

english, 1990

8

Synthèse énantiospécifique du (+)-(6S, 8R, E)-2,3-didéhydrononactate de méthyle

Pierre-François Deschenaux, André Jacot-Guillarmod

Journal:

Helvetica Chimica Acta

Year:

1990

File:

PDF, 231 KB

1990

9

The chemistry of coumarin derivatives, part 2. Reaction of 4-hydroxycoumarin with α,β-unsaturated aldehydes

Giovanni Appendino, Giancarlo Cravotto, Silvia Tagliapietra, Gian Mario Nano, Giovanni Palmisano

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 903 KB

english, 1990

10

2,4-Disubstituted Pyrrolo[2,3-d]pyrimidine α-D- and β-D-Ribofuranosides Related to 7-Deazaguanosine

Frank Seela, Tewfik Soulimane, Kann Mersmann, Thomas Jürgens

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 601 KB

english, 1990

11

Reaktionen von 5H-1,2λ5-Azaphospholen mit Arylazocarbonitrilen sowie Acetylendicarbonsäure-estern

Walter Rieda, Maria Fulde, Jan W. Bats

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

german

File:

PDF, 364 KB

german, 1990

12

Anion Selectivity of Tetravalent Tin Compounds in Membranes Studied by 119Sn-, 13C- and 1H-NMR

Hung-Viet Pham, Ernö Pretsch, Karl Fluri, Andras Bezegh, Wilhelm Simon

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 584 KB

english, 1990

13

Synthesis and Configuration of Some Hydroxymilbemycin Derivatives Including 22,23-Dihydroavermectin B1b Aglycone

Bruno Frei, Philip Huxley, Peter Maienfisch, Hari Babu Mereyala, Günther Rist, Anthony C. O'Sullivan

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 878 KB

english, 1990

14

Synthesis of 2-Acetamido-2-deoxy-D-gluconhydroximolactone- and Chitobionhydroximolactone-Derived N-Phenylcarbamates, Potential Inhibitors of β-N-Acetylglucosaminidase

Dieter Beer, Jean-Luc Maloisel, Dora M. Rast, Andrea Vasella

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 320 KB

english, 1990

15

Synthese von Pyrano[3,2-b][1]benzopyranen aus 1-Nitroglycalen

Walter Brade, Andrea Vasella

Journal:

Helvetica Chimica Acta

Year:

1990

File:

PDF, 620 KB

1990

16

Synthesis of Cationic 2,4-Dimethylpenta-2,4-dienylruthenium Complexes. Crystal Structure of Carbonyl(η4-cyclohexa-1,3-diene)-(η5-2,4-dimethylpenta-2,4-dienyl)ruthenium Tetrafluoroborate

Tito Lumini, David N. Cox, Raymond Roulet, Gervais Chapuis, Francesco Nicolo

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 276 KB

english, 1990

17

Configuration-Odor Relationships in 5β-Ambrox

Sina Escher, Wolfgang Giersch, Yvan Niclass, Gérald Bernardinelli, Günther Ohloff

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 731 KB

english, 1990

18

Synthese und chemische Eigenschaften heterocyclischer Tetracyanodimethane eines heterocyclischen N,N′-Dicyanodiimins sowie von voll substituierten monocyclischen Tetracyanodimethanen

Richard Neidlein, Alfred Bischer

Journal:

Helvetica Chimica Acta

Year:

1990

File:

PDF, 393 KB

1990

19

Carotinoide mit 7-Oxabicyclo[2.2.1]heptyl-Endgruppen. Teil I. Versuch einer Synthese von Cycloviolaxanthin (= (3S,5R,6R,3′S,5′R,6′R)-3,6:3′,6′-Diepoxy-5,6,5′,6′-tetrahydro-β,β-carotin-5,5′-diol)

Michael Roman Gmünder, Conrad Hans Eugster

Journal:

Helvetica Chimica Acta

Year:

1990

File:

PDF, 896 KB

1990

20

Bicyclo[4.2.0]octa-1,3,5-triene: 2-Mono- and 2,5-Disubstituted Derivatives via Highly Regioselective Lithiation of Its Cr(CO)3 Complex and via Reductive Silylation/Oxidation

E. Peter Kündig, Celia Ferret, Bruno Rudolph

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 680 KB

english, 1990

21

Neue Synthese von (−)-(R)-Cembren A, Synthese von (+)-(R)-Cembrenen und (+)-(S)-Cembren

Imre Farkas, Hanspeter Pfander

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

german

File:

PDF, 437 KB

german, 1990

22

5-Methylnaioxone and 5-Methylnaltrexone: Synthesis and Pharmacological Evaluation

Helmut Schmidhammer, Karin Mayer-Valkanover, Michaela Walla-Kugler

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 307 KB

english, 1990

23

Kinetic and thermodynamic parameters for Schiff-rase formation between 5′-deoxypyridoxal and hexylamine

Miguel A. Vazquez, Josefa Donoso, Francisco Muñoz, Francisco Garcia Blanco, M. Angeles Garcia del Vado, Gerardo Echevarria

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 406 KB

english, 1990

24

Weitere Beiträge zur Synthese von (+)-Aspicilin

Gerhard Quinkert, Uwe Döller, Mathias Eichhorn, Frank Küber, Hans Peter Nestler, Heinrich Becker, Jan W. Bats, Gottfried Zimmermann, Gerd Dürner

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

german

File:

PDF, 3.46 MB

german, 1990

25

Segregation of Charge in Ions of Dibenzo[a,c]naphthacene: Relation of Topology and Electronic Structure. An NMR, ESR, and ENDOR Study

Yoram Cohen, Yigal Fraenkel, Mordecai Rabinovitz, Patrick Felder, Fabian Gerson

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 510 KB

english, 1990

26

The Radical Anions of [2.2]Metaparacyclophane-1,9-diene and Some Derivatives: An ESR and ENDOR Study

Jürg Bruhin, Urs Buser, Fabian Gerson, Thomas Wellauer

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 648 KB

english, 1990

27

Mitteilungen

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 43 KB

english, 1990

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