Volume 79; Issue 3

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Helvetica Chimica Acta
Volume 79; Issue 3

Helvetica Chimica Acta

Volume 79; Issue 3

1

Masthead

Journal:

Helvetica Chimica Acta

Year:

1996

File:

PDF, 34 KB

1996

2

Anion Cryptates: Synthesis, Crystal Structures, and Complexation Constants of Fluoride and Chloride Inclusion Complexes of Polyammonium Macrobicyclic Ligands

Bernard Dietrich, Brid Dilworth, Jean-Marie Lehn, Jean-Paul Souchez, Michèle Cesario, Jean Guilhem, Claudine Pascard

Journal:

Helvetica Chimica Acta

Year:

1996

Language:

english

File:

PDF, 1.06 MB

english, 1996

3

Further C-Alkylations of Cyclotetrapeptides via Lithium and Phosphazenium (P4) Enolates: Discovery of a New Conformation

Dieter Seebach, Olivier Bezençon, Bernhard Jaun, Thomas Pietzonka, Jennifer L. Matthews, Florian N. M. Kühnle, W. Bernd Schweizer

Journal:

Helvetica Chimica Acta

Year:

1996

Language:

english

File:

PDF, 1.50 MB

english, 1996

4

Nucleosides. Part LX. Synthesis and Characterization of Monomeric Cordycepin-Vitamin and Cordycepin-Lipid Conjugates Model Substances for Biodegradable Ester and Carbonate Linkages in Conjugates and Potential Inhibitors of HIV-1 Replication

Marita Wasner, Wolfgang Pfleiderer, Robert J. Suhadolnik, Susan E. Horvath, Ning Kon, Ming-Xu Guan, Earl E. Henderson, Robert J. Suhadolnik, Earl E. Henderson, Martin E. Adelson

Journal:

Helvetica Chimica Acta

Year:

1996

Language:

english

File:

PDF, 783 KB

english, 1996

5

Nucleotides. Part IL. Synthesis and Characterization of Cordycepin-Trimer-Vitamin and -Lipid Conjugates Potential Inhibitors of HIV-1 Replication

Marita Wasner, Wolfgang Pfleiderer, Robert J. Suhadolnik, Susan E. Horvath, Ning Kon, Ming-Xu Guan, Earl E. Henderson, Martin E. Adelson, Earl E. Henderson, Robert J. Suhadolnik

Journal:

Helvetica Chimica Acta

Year:

1996

Language:

english

File:

PDF, 1.11 MB

english, 1996

6

1,1,2,2-Tetraethynylethanes: Synthons for Tetraethynylethenes and Modules for Acetylenic Molecular Scaffolding

Rik R. Tykwinski, François Diederich, Paul Seiler, Volker Gramlich

Journal:

Helvetica Chimica Acta

Year:

1996

Language:

english

File:

PDF, 761 KB

english, 1996

7

Perrhenat-katalysierte Umlagerung von Ethinyl-β-ionol

Wolf Arnold, Werner Bonrath, Renaud Pernin, Andreas Thum

Journal:

Helvetica Chimica Acta

Year:

1996

File:

PDF, 282 KB

1996

8

Synthesis of Coumarin Derivatives as Inhibitors of Platelet Aggregation

Yeh-Long Chen, Tai-Chi Wang, Kuan-Han Lee, Cherng-Chyi Tzeng, Ya-Ling Chang, Che-Ming Teng

Journal:

Helvetica Chimica Acta

Year:

1996

Language:

english

File:

PDF, 510 KB

english, 1996

9

Ein alternativer Zugang zum PQQ-Triester

Dieter Sicker, Ekkehard Stehfest, Horst Wilde, Pierre Martin

Journal:

Helvetica Chimica Acta

Year:

1996

File:

PDF, 280 KB

1996

10

ESR Study of Nitroxide Radicals Generated from Triaz-2-en-1-ols

Ladislav Omelka, Imrich Vrábel, Katarína Erentová, Jochen Dauth, Bernward Deubzer, Johann Weis

Journal:

Helvetica Chimica Acta

Year:

1996

Language:

english

File:

PDF, 410 KB

english, 1996

11

Synthese monodisperser linearer und cyclischer Oligomere der (R)-3-Hydroxybuttersäure mit bis zu 128 Einheiten

Urs D. Lengweiler, Monica G. Fritz, Dieter Seebach

Journal:

Helvetica Chimica Acta

Year:

1996

File:

PDF, 2.25 MB

1996

12

Synthesis of Carbocyclic C-Nucleosides Containing Nonnatural Pyrimidine Bases

Stefan Hildbrand, Christian Leumann, Rolf Scheffold

Journal:

Helvetica Chimica Acta

Year:

1996

Language:

english

File:

PDF, 495 KB

english, 1996

13

Hydrolytic Breakdown of the Euplotins, Highly Strained, Adaptive, Hemiacetal Esters of the Marine Ciliate Euplotes crassus: A Mimic of Degradative Pathways in Nature and a Trick for the Assignment of the Absolute Configuration

Graziano Guella, Francesco Pietra, Fernando Dini

Journal:

Helvetica Chimica Acta

Year:

1996

Language:

english

File:

PDF, 548 KB

english, 1996

14

Nucleotides. Part XLVII. Synthesis of 3′-Deoxyadenylyl-(2′–5′)-3′-deoxyadenylyl-(2′–5′)-3′-O-(2-hydroxyethyl)adenosine and 3′-Deoxyadenylyl-(2′–5′)-3′-deoxyadenylyl-(2′–5′)-3′-O-{2-[(cholest-5-en-3β-yloxy)carbonyloxy]ethyl}adenosine: A New Type of (2′–5′)Adenylate Trimer Conjugate

Cornelia Hörndler, Wolfgang Pfleiderer

Journal:

Helvetica Chimica Acta

Year:

1996

Language:

english

File:

PDF, 688 KB

english, 1996

15

The Active Centres of Agelastatin A, a Strongly Cytotoxic Alkaloid of the Coral Sea Axinellid Sponge Agelas dendromorpha, as Determined by Comparative Bioassays with Semisynthetic Derivatives

Michele D'Ambrosio, Antonio Guerriero, Francesco Pietra, Marina Ripamonti, Cécile Debitus, Jean Waikedre

Journal:

Helvetica Chimica Acta

Year:

1996

Language:

english

File:

PDF, 650 KB

english, 1996

16

First Fullerene[60]-Containing Thermotropic Liquid Crystal. Preliminary Communication

Thierry Chuard, Robert Deschenaux

Journal:

Helvetica Chimica Acta

Year:

1996

Language:

english

File:

PDF, 360 KB

english, 1996

17

Computations of 57Fe-NMR Chemical Shifts with the SOS-DFPT Method

Michael Bühl, Olga L. Malkina, Vladimir G. Malkin

Journal:

Helvetica Chimica Acta

Year:

1996

Language:

english

File:

PDF, 846 KB

english, 1996

18

Palladium-Catalyzed Syntheses of Polyethynyl-Substituted 2,2′-Bithiophenes

Uwe Dahlmann, Richard Neidlein

Journal:

Helvetica Chimica Acta

Year:

1996

Language:

english

File:

PDF, 910 KB

english, 1996

19

Kinetics and Mechanisms of Racemization: 5-Substituted Hydantoins (= Imidazolidine-2,4-diones) as Models of Chiral Drugs

Marianne Reist, Pierre-Alain Carrupt, Bernard Testa, Søren Lehmann, Jan Jørn Hansen

Journal:

Helvetica Chimica Acta

Year:

1996

Language:

english

File:

PDF, 800 KB

english, 1996

20

Dendrophanes: Novel Steroid-Recognizing Dendritic Receptors. Preliminary Communication

Peter Wallimann, Paul Seiler, François Diederich

Journal:

Helvetica Chimica Acta

Year:

1996

Language:

english

File:

PDF, 594 KB

english, 1996

21

Synthesis and Luminescence of Novel EuIII Complexing Agents and Labels with 4-(Phenylethynyl)pyridine Subunits

Harri Takalo, Ilkka Hemmilä, Timo Sutela, Martti Latva

Journal:

Helvetica Chimica Acta

Year:

1996

Language:

english

File:

PDF, 844 KB

english, 1996

22

Synthesis, and Solution and Solid-State Structures of (η3-Allyl){(4S)-4-benzyl-2-[2′-(diphenylphosphino)phenyl]- 4,5-dihydrooxazole-P,N}palladium(II) Hexafluorophosphates. Comparison with Dichloro{(4S)-2-[2′-(diphenylphosphino)phenyl]-4,5-dihydro-4-phenyloxazole-P,N}zinc(II)

Natalie Baltzer, Ludwig Macko, Silvia Schaffner, Margareta Zehnder

Journal:

Helvetica Chimica Acta

Year:

1996

Language:

english

File:

PDF, 574 KB

english, 1996

23

Syntheses of New Isocephems and Isodethiaoxacephems as Antimicrobial Agents

Gholam H. Hakimelahi, Jih Ru Hwu, Shwu-Chen Tsay, Zahra Ramezani, Jih Ru Hwu

Journal:

Helvetica Chimica Acta

Year:

1996

Language:

english

File:

PDF, 411 KB

english, 1996

24

Synthesis and X-Ray Structure of Bis{S-(1-lithio-3,3-diphenylprop-2-enyl)-N-methyl-S-phenylsulfoximine– Tetrahydrofuran (1/2)} Complemented by Model ab initio Calculations of α-Lithiosulfoximines

Jürgen F. K. Müller, Bernhard Spingler, Margareta Zehnder, Rohit Batra

Journal:

Helvetica Chimica Acta

Year:

1996

Language:

english

File:

PDF, 355 KB

english, 1996

25

Struktur des Zwischenproduktes einer (i-PrO)2 TiMe2-Methylierung: NMR-Untersuchungen und Konformationsanalyse

Sandro Hollenstein, Manfred Hesse

Journal:

Helvetica Chimica Acta

Year:

1996

File:

PDF, 878 KB

1996

26

An Analysis of the Bonding Properties of Benz[a]azulene by X-Ray, NMR, and Computational Studies

Michael Bühl, Wiktor Koźmiński, Anthony Linden, Daniel Nanz, David Sperandio, Hans-Jürgen Hansen

Journal:

Helvetica Chimica Acta

Year:

1996

Language:

english

File:

PDF, 1004 KB

english, 1996

27

1,5-Dipolare Elektrocyclisierung von Acyl-substituierten ‘Thiocarbonyl-yliden’ zu 1,3-Oxathiolen

Martin Kägi, Anthony Linden, Heinz Heimgartner, Grzegorz Mlostoń

Journal:

Helvetica Chimica Acta

Year:

1996

File:

PDF, 1.08 MB

1996

28

Nonreductive Enantioselective Ring Opening of N-(Methylsulfonyl)dicarboximides with Diisopropoxytitanium α,α,α′,α′-Tetraaryl-1,3-dioxolane-4,5-dimethanolate

Diego J. Ramón, Gabriela Guillena, Dieter Seebach

Journal:

Helvetica Chimica Acta

Year:

1996

Language:

english

File:

PDF, 1.18 MB

english, 1996

29

Synthesen von 2,3-Dioxoalkylphosphonaten und anderer neuartiger β-Ketophosphonate sowie eines Phosphinopyruvamids ( = (Alkyloxyphosphinyl)pyruvamids)

Richard Neidlein, Helmut Feistauer

Journal:

Helvetica Chimica Acta

Year:

1996

File:

PDF, 1.25 MB

1996

30

Mitteilungen

Journal:

Helvetica Chimica Acta

Year:

1996

File:

PDF, 28 KB

1996