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Volume 71; Issue 5

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Helvetica Chimica Acta
Volume 71; Issue 5

Helvetica Chimica Acta

Volume 71; Issue 5

1

Masthead

Journal:

Helvetica Chimica Acta

Année:

1988

Fichier:

PDF, 36 KB

1988

2

Synthese von enantiomerenreinen Violaxanthinen und verwandten Verbindungen

Murat Acemoglu, Peter Uebelhart, Max Rey, Conrad Hans Eugster

Journal:

Helvetica Chimica Acta

Année:

1988

Fichier:

PDF, 1.84 MB

1988

3

Synthese von Orellin

Hans-Albrecht Hasseberg, Hans Gerlach

Journal:

Helvetica Chimica Acta

Année:

1988

Fichier:

PDF, 480 KB

1988

4

Isolation from the Mediterranean Stolonifern Coral Sarcodictyon roseum of Sarcodictyin C, D, E, and F, novel diterpenodic alcohols esterified by (E)- or (Z)-N(1)-methylurocanic acid. Failure of the carbon-skeleton type as a classification criterion

Michele D'Anbrosio, Antonio Guerriero, Franceseco Pietra

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 687 KB

english, 1988

5

EPC syntheses from bicyclic dixoanones; (−)-5-epidehydrofukinone

Bernardo Herradón

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 185 KB

english, 1988

6

Thermal and Photochemical Oxetane Formation. A Contribution to the Synthesis of Branched-Chain Aldonolactone

Jochen Mattay, Karl Buchkremer

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 455 KB

english, 1988

7

Synthese neuer Aryl-(3,-dichloro-4-pyridazinly)-ketone und ihre Reaktion mit N,N-Dinucleophilen

Thomas A. Eichhorn, Steffen Piesch, Walter Ried

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

german

Fichier:

PDF, 255 KB

german, 1988

8

A Vibrational Study of Some 1,2,4-Trioxanes

Martin Mohnhaupt, Hans Hagemann, Jean-Pascal Perler, Hans Bill, John Boukouvalas, Jean-Claude Rossier, Charles W. Jefford

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 396 KB

english, 1988

9

Aldehyde Enol Esters as Novel Chain Terminators in Cationic Olefin Cyclizations

Dana P. Simmons, Daniel Reichlin, David Skuy

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 333 KB

english, 1988

10

Singlet-Oxygen Quenching by Carotenoids: Steady-state luminescence experiments

Patricia Murasecco-Suardi, Esther Oliveros, André M. Braun, Hans-Jürgen Hansen

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 328 KB

english, 1988

11

Radical Ions in the Pentalene Series. Part III. Three paramagnetic redox stages of a dicyclopenta[a,e]pentalene

Fabian Gerson, Georg Gescheidt, Klaus Hafner, Norbert Nimmerfroh, Berndt Stowasser

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 289 KB

english, 1988

12

Norbornanes. Part 21. Bridging strain in norbornyl and oxanorbornyl cations

Peter Flury, Cyril A. Grob, Guang Yi Wang, Hans-Werner Lennartz, Wolfgang R. Roth

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 498 KB

english, 1988

13

Synthesis of Ethyl (2RS,3SR)-1-Tosyl-3-Vinylazetidine-2-carboxylate and ethyl (2RS,E)-3-ethylidene-1-tosylazetidine-2-carboxylate (=rac-ethyl N-tosylpolyximate)

Hans Bauman, Rudolf O. Duthaler

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 670 KB

english, 1988

14

Preparation of 3-Oxo- and 3-Ethylideneazetidine Derivatives

Hans Bauman, Rudolf O. Duthaler

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 447 KB

english, 1988

15

Synthesis and Characterisation of the Sodium and Lithium Cryptates of Macrobicyclic Ligands incorporating pyridine, bipyridine, and biisoquinoline units

Béatrice Alpha, Elke Anklam, Robert Deschenaux, Jean-Marie Lehn, Marek Pietraskiewiez

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 759 KB

english, 1988

16

Absorption Spectra and Luminescence Properties of Isomeric Platinum (II) and Palladium (II) Complexes containing 1,1′-biphenyldiyl, 2-phenylpyridine, and 2,2′-bijpyridine as ligands

Mauro Maestri, Diana Sandrini, Vincenzo Balzani, Alex von Zelewsky, Christine Deuschel-Cornioley, Philippe Jolliet

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 367 KB

english, 1988

17

First Synthesis of 2-Vinylindole and its diels-Alder Reactions with CC-Dienophiles

Ulf Pindur, Manfred Eitel

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 296 KB

english, 1988

18

Applications of ENDOR Spectroscopy to Radical Cations in Freon Matrices. Part 1. The radical cation of s-trans-buta-1,3-diene

Fabian Gerson, Xue-Zhi Qin

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 215 KB

english, 1988

19

The Radical Cation of Cyclobutene and its Photoproduct. Preliminary communication

Fabian Gerson, Xue-Zhi Qin, Thomas Bally, Jean-Nicolas Aebischer

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 179 KB

english, 1988

20

Asymmetric Catalysis by Vitamin B12. The isomerization of achiral epoxides to optically active allylic alcohols

Heng Su, Lorenz Walder, Zhong-da Zhang, Rolf Scheffold

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 382 KB

english, 1988

21

Acid-Catalyzed Rearrangements for a Diastereoselective Entry into a New Fused Hexacyclic Heterocycle: (5RS,7aRS,12RS,14aRS,)-4,5,7a,11,12,14,14a-octahydro-5,12-dimethyl-diindolo [1,7-bc: 1′,7′-gh][2,6] naphthyridine

Christos Papageorgiou, Xaver Borer

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 253 KB

english, 1988

22

Dreifach-Diamantstruktur von. 2,6-Dioxoadamantan-1,3,5,7-tetracarbonsäure (Hydrat) als Wirtsgitter für Essigsäure

Otto Ermer, Lorenz Lindenberg

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

german

Fichier:

PDF, 2.44 MB

german, 1988

23

Leiopathic Acid, a Novel Optically Active Hydroxydocosapentaenoic Acid, and related compounds, from the black coral Leiopathes sp. of Saint Paul Island (S. Indian Ocean)

Antonio Guerriero, Michele D'Ambrosio, Francesco Peitra

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 518 KB

english, 1988

24

4,10a-(Epidithio)-4,4a,10,10a-tetrahydro-1H-5-oxaanthracen-1-ones, tetracycles with a novel heterocyclic ring system

Sandra Kolly, Hansrudolf Meier, Grety Rihs, Tammo Winkler

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 388 KB

english, 1988

25

Ruthenium(II) Complexes with Three Different Diimine Ligands

Alex von Zelewsky, Gabriel Gremaud

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 385 KB

english, 1988

26

Synthesis and 1H-, 13C-, and 57Fe-NMR spectra of mono- and bis[tricarbonyl(η4-diene)iron], and (η3-allyl)tetracarbonyliron trifluoroborate complexes

Christoph M. Adams, Giovanni Cerioni, Andreas Hafner, Hermann Kalchhauser, Wolfgang von Philipsborn, Roland Prewo, Andreas Schwenk

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 1.44 MB

english, 1988

27

α-Alkylierung von β-Hydroxycarbonsäuren über 1,3-Dioxan-4-on-Enolate

Jürg Zimmermann, Dieter Seebach, Tae-Kyu Ha

Journal:

Helvetica Chimica Acta

Année:

1988

Fichier:

PDF, 759 KB

1988

28

Design and Synthesis of 5-Lipoxygenase Inhibitors

Michael Strasser, Philip Cooper, Beatrice Dewald, Trevor Payne

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 1.27 MB

english, 1988

29

(Benzylthio)- und (Arylthio)-substituierte Nitril-ylide: Thermische Erzeugung und Reaktionen

Peter Wipf, Roland Prevo, Jost H. Bieri, Gabriel Germain, Heinz Heimgartner

Journal:

Helvetica Chimica Acta

Année:

1988

Fichier:

PDF, 863 KB

1988

30

8-Aza-7-deaza-2′-deoxyguanosine: Phosphoramidite synthesis and properties of octanucleotides

Frank Seela, Hansjürgen Driller

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 489 KB

english, 1988

31

Colchicine Models: Synthesis and Binding to Tubulin of Tertamethoxybiphenyls

Yoshikuni Itoh, Arnold Brossi, Ernest Hamel, Chii M. Lin

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 769 KB

english, 1988

32

Antifungal Polyphenols from Cordia goetzeiGürke

Andrew Marston, Michael G. Zagorski, Kurt Hostettmann

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 506 KB

english, 1988

33

The Reversible Proxibarbal-Valofan Isomerisation. Part I. Kinetic and thermodynamic studies in aqueous solutions

H. Harald Wittekind, Bernard Testa, Jurek Estreicher

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 393 KB

english, 1988

34

The Reversible Proxibarbal-Valofan Isomerisation. Part II. Kinetic studies in a biphasic octanol/water system

H. Harald Wittekind, Bernard Testa, Jurek Estreicher

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 410 KB

english, 1988

35

Die röntgenstrukturanalysen von (E)- und (Z)-2-Buten-1,4-diyl-dithiocyanat bei 93 K

Ferdinand Belaj, Stefan Huber, Reinhard Neier

Journal:

Helvetica Chimica Acta

Année:

1988

Fichier:

PDF, 409 KB

1988

36

Synthese neuer schwefel- und selen-haltiger ‘Donor-Akzeptor-stabilisierter’ Molekülsysteme mit zentraler bicyclo[4.4.1]undeca-4,6,8,10-tetraen-2,3-diyliden- oder Bicyclo[4.4.1]undeca-3,6,8,10-tetraen-2,5-diyliden-Gruppe

Richard Neidlein, Francesco Lucchesini

Journal:

Helvetica Chimica Acta

Année:

1988

Fichier:

PDF, 486 KB

1988

37

Tandem Diels-Alder Reactivity Controlled by Remote Substituents. Regioselective synthesis of linearly annellated six-membered ring systems from (1RS,5SR,6RS,7SR)-6,7-bis(chloromethyl)-8,9-dimethylidene-2-oxabicyclo[3.2.2]nonan-3-one. Crystal structure of (1RS,5RS,6SR,11RS)-6,7-bis(chloromethyl)-3-oxo-2-oxatricyclo[7.4.0.1,5]tridec-8-en-11-yl methyl ketone

Bernard Demarchi, Pierre Vogel, Alan A. Pinkerton

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 1.26 MB

english, 1988

38

Syntheses and tandem Diels-Alder reactivities of 7,7-diphenyl-[2.2.1]hericene (= 7-(diphenylmethylidene)-2,3,5,6- tetramethylidenebicyclo[2.2.1]heptane) and 7-oxa[2.2.1]hericene ( = 2,3,5,6-tetramethylidenebicyclo[2.2.1]heptan-7-one)

Albino Rubello, Pierre Vogel

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 925 KB

english, 1988

39

Conformational Flexibility of the Acetoxyphenyl Group Studied by Statistical Analysis of Crystal Structure Data

Wolfgang Hummel, Aleksander Roszak, Hans-Beat Bürgi

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 451 KB

english, 1988

40

Conformational Flexibility of the Methoxyphenyl Group Studied by Statistical Analysis of Crystal Structure Data

Wolfgang Hummel, Karel Huml, Hans-Beat Bürgi

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 621 KB

english, 1988

41

Präparative chromatographische Enantiomerentrennung von synthetisch nützlichen cyclischen Acetalen

Dieter Seebach, Stefan G. Müller, Urs Gysel, Jürg Zimmermann

Journal:

Helvetica Chimica Acta

Année:

1988

Fichier:

PDF, 954 KB

1988

42

The Reaction of 3-(Dimethylamino)-2H-azirines with 2,3-Pyridinedicarboximide

Jean-Pierre Obrech, Peter Schönholzer, Christain Johannes Jenny, Roland Prewo, Heinz Heimgartner

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 512 KB

english, 1988

43

[1,1-bis (trimethylsilyl)]-1H-cyclopropa [b] napththalene[tricarbonyl-chromium]: The first arene-chromium complex of a cycloproparene

Paul Müller, Gérald Bernardinelli, Yvan Jacquier

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 181 KB

english, 1988

44

Studies on the Biosynthesis of Iridals and Cycloiridals

Franz-Josef Marner, Dieter Gladtke, Lothar Jaenicke

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 382 KB

english, 1988

45

Stereoselectivity in Reactions of Metal Complexes. Part X. Kinetics and stereoselectivity of the inner-sphere electron-transfer reaction between [Co(bamap)H2O]+ (bamap = 2,6-bis(3-carboxy-1,2-dimethyl-2-azapropyl)pyridine) and optically active iron(II) complexes

Klaus Bernauer, Philippe Pousaz, Joelle Porret, André Jeanguenat

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 627 KB

english, 1988

46

Synthesis of Optically Pure Tricarbonyliron Complexes of 5,6-Dimethylidenebicyclo[2.2.2.]oct-2-yl derivatives. Crystal structure and absolute configuration of (+)-tricarbonyl(1S,2S,4R,5R,6S)-C,5,6,C,-η-(5,6-dimethylidenebicyclo[2.2.2]oct-2-yl p-bromobenzoate)iron

Pierre-Alain Carrupt, Fabienne Berchier, Pierre Vogel, Alan A. Pinkerton, Dieter Schwarzenbach

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 332 KB

english, 1988

47

The Reaction of Water with Iron- and Rutheniuncarbonyl Complexes of Polyolefins: 1,2- and 1,4-hydrogenation of 1,3-dienes. hydrogenolysis of allylic ethereal bonds and deoxygenation of 7-oxabicyclo[2.2.1]hept-2-enes

Shuki Araki, Edia Bonfantini, Pierre Vogel

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 805 KB

english, 1988

48

A Synthesis of 1D- and 1L-myo-Inositol 1,3,4,5,-Tetraphosphate

Gisèle Baudin, Brigitte I. Glänzer, Kivalur S. Swaminathan, Andrea Vasella

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 873 KB

english, 1988

49

Mitteilungen

Journal:

Helvetica Chimica Acta

Année:

1988

Langue:

english

Fichier:

PDF, 110 KB

english, 1988