Volume 76; Issue 1

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Helvetica Chimica Acta
Volume 76; Issue 1

Helvetica Chimica Acta

Volume 76; Issue 1

1

Masthead

Journal:

Helvetica Chimica Acta

Year:

1993

File:

PDF, 34 KB

1993

2

Die Helvetica Chimica Acta und die Vitamine

Andor Fürst, Georg Brubacher, Werner Meier, August Rüttimann

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

german

File:

PDF, 6.29 MB

german, 1993

3

Highlights of Trieterpene research in Helvetica Chimica Acta 1918–1992

Wolf-Dietrich Woggon

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 2.10 MB

english, 1993

4

Synthesis of Glycosylphosphine Oxides and Related Compounds

Andrej Łopusiński, Bruno Bernet, Anthony Linden, Andrea Vasella

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 1.18 MB

english, 1993

5

Regio-and Stereoselectivity of Transition-Metal-Ion-Mediated Single and Double Dehydrogenation of Tetraline

Katrin Seemeyer, Tilman Prüsse, Helmut Schwarz

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 231 KB

english, 1993

6

Structure of Rapamycin: An NMR and Molecular-Dynamics Investigation

Horst Kessler, Rainer Haessner, Wolfgang Schüler

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 777 KB

english, 1993

7

Reactions of Carbonyl Group with Nitroso Compounds: Reaction of Formaldehyde with Substituted Nitrosobenzenes

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 563 KB

english, 1993

8

(o-Hydroxyphenyl)methylphosphonic acids: Synthesis and potentiometric determinations of their pKa Values

Volker Böhmer, Walter Vogt, Salah Chafaa, Jean Meullemeestre, Marie-José Schwing, François Vierling

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 696 KB

english, 1993

9

Metabolic Products of Microorganisms. Part 265. Prelactones C and B, oligoketides from Streptomyces producing concanamycins and bafilomycins

Kai U. Bindseil, Axel Zeeck

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 487 KB

english, 1993

10

Nucleotides. Part XXXIX Synthesis of arabinonucleoside phosphoramidite building blocks

Matthias Resmini, Wolfgang Pfleiderer

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 660 KB

english, 1993

11

Thermal Reaction of Azulene and Some of Its Symmetrically Substituted Methyl Derivatives with Dimethyl Acetylenedicarboxylate

Yi Chen, Hans-Jürgen Hansen

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 721 KB

english, 1993

12

Untersuchungen zur Stabilität und Reaktivität von (3-Cyclopropylidenprop-1-enyl)-ethyl-ether

Josef Stadlwieser, Frank Kienzle, Wolf Arnold, Klaus Gubernator, Peter Schönholzer

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

german

File:

PDF, 486 KB

german, 1993

13

Enantioselective Synthesis of α-N-Alkylamino Acids via Sultam-Directed ‘Enolate’ Hydroxyamination

Wolfgang Oppolzer, Pedro Cintas-Moreno, Osamu Tamura, Francis Cardinaux

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 774 KB

english, 1993

14

Intramolecular Addition of Nucleophilic Carbenes to Acceptor-Substituted Alkenyl Groups: Synthesis and transformation of homobenzofurans and synthesis of a homoindole

Chunbao Li, Andrea Vasella

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 1019 KB

english, 1993

15

A New Synthesis of Benzylidene Acetals

Chunbao Li, Andrea Vasella

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 793 KB

english, 1993

16

Total Synthesis of the Gastroprotective Substance AI-77-B and of Analogues

Jean-Marc Durgant, Pierre Vogel

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 1.37 MB

english, 1993

17

Studies On Rare-Earth Complexes with Crown Ethers. Part XXV. Synthesis, characterization, and structure of the complexes of lanthanide nitrates with 13-crown-4

Tongbu Lu, Xin Wang, Minyu Tan, Yu Liu, Yoshihisa Inoue, Tadao Hakushi

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 370 KB

english, 1993

18

Carbocyclic Analogs of Nucleosides. Part 3. Synthesis of a new sulfone analog of cyclic adenosine 3′,5′-monophosphate

Thomas F. Jenny

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 751 KB

english, 1993

19

Warum pentose-und nicht hexose-nucleinsäuren? Teil III. Oligo(2′,3′-dideoxy-β-D-glucopyranosyl) nucleotide (‘homo-DNS’): Paarungesigenschaften

Jürg Hunziker, Hans-Jorg Roth, Markus Böhringer, Alfred Giger, Ulf Diederichsen, Michael Göbel, Ravichandran Krishnan, Bernhard Jaun, Christian Leumann, Albert Eschenmoser

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 5.34 MB

english, 1993

20

Synthese chiraler Kobalt-Komplexe mit planoid-tetradentatem Ligand-System

Ralph Härter, Christophe Wegmuth, Rolf Scheffold, Peter Engel, Anthony Linden

Journal:

Helvetica Chimica Acta

Year:

1993

File:

PDF, 1.24 MB

1993

21

Synthesis and Electronic Properties of Intensely Coloured Iron(II) complexes with new 4-substituted planar tridentate nitrogen ligands analogous to 2, 2′: 6′, 2″-terpyridine

Christian G. Bochet, Claude Piguet, Alan F. Williams

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 807 KB

english, 1993

22

Nucleosides. Part LI The 2-(4-nitrophenyl)ethoxycarbonyl (npeoc) and 2-(2,4-dinitrophenyl)ethoxycarbonyl (dnpeoc) groups for protection of hydroxy functions in ribonucleosides and 2′ -deoxyribonucleosides

Helga Schirmesiter, Frank Himmelsbach, Wolfgang Pfleiderer

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 1.33 MB

english, 1993

23

Enantioselektive Synthese von Allyl- und Propargylaminen durch nucleophile 1,2-Addition an chirale Aldimine. Preliminary communication

Dieter Enders, Jürgen Schankat

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

german

File:

PDF, 290 KB

german, 1993

24

Transport Properties of H+-Selective Membranes Containing Amine-Derivative Ionophores and Mobile Sites

Tal M. Nahir, Richard P. Buck

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 642 KB

english, 1993

25

Anatoliosides: Five Novel Acyclic Monoterpene Glylcosides from Viburnum orientale

Ihsan Çaliş, Ayşen Yürüker, Heinz Rüegger, Anthony D. Wright, Otto Sticher

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 502 KB

english, 1993

26

The Synthesis of Natural Acetylenic Compounds from Eutypa lata (Pers; F.) TUL

Eric Defranq, Thierry Zesiger, Rattaele Tabacchi

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 412 KB

english, 1993

27

Synthesis of Thiazole and Fused Thiazolo Derivatives

Uroš Urleb, Richard Neidlein, Walter Kramer

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 524 KB

english, 1993

28

C2-Symmetrical Pyrrolidine Derivatives Chiral Auxiliaries in Radical Chemistry

Andres Veit, Roman Lenz, Martin E. Seiler, Markus Neuburger, Margareta Zehnder, Bernd Giese

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 706 KB

english, 1993

29

On Intrahelical Hydrogen Bonding and Stability of β-Helices: The behavior of some D,L-alternating oligoleucines with an N-methylated residue

Daniel Urs Römer, Emma Fenude-Schoch, Gian Paolo Lorenzi, Heinz Rüegger

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 372 KB

english, 1993

30

A Simple Procedure for the Preparation of Chiral ‘Tris(hydroxymethyl)methane’ Derivatives

Dieter Seebach, Jean-Marc Lapierre, Wilfried Jaworek, Paul Seiler

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 1.13 MB

english, 1993

31

Synthesis and Biological Evaluation of 14-Alkoxymorphinans. Part 9. 14-O-ethyl-5-methylnaltrexone, and opioid antagonist with unusual selectivity

Helmut Schmidhammer, Andrea Schratz, Charlotte Schmidt, Dinesh Patel, John R. Traynor

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 325 KB

english, 1993

32

Nucleic-Acid Analogues with Constraint Conformational Flexibility in the Sugar-Phosphate Backbone (‘Bicyclo-DNA’). Part 1. Preparation of (3S,5′R)-2′-Deoxy-3′,5′-ethano-αβ-D-ribonucleosides (‘Bicyclonucleosides’)

Markus Tarköy, Martin Bolli, Bernd Schweizer, Christian Leumann

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 2.11 MB

english, 1993

33

Zine Complexes of Cysteine, Histidine, and Derivatives Thereof: Potentiometric determination of their compositions and stabilities

Peter Gockel, Heinrich Vahrenkamp, Andreas D. Zuberbühler

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 561 KB

english, 1993

34

Structural Effects on the RhII-Catalyzed Rearrangement of Cyclopropenes

Paul Müller, Christian Gränicher

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 874 KB

english, 1993

35

Preparation of optically active cyclohexenones: Chirons for the lipophilic moiety of flowery- and woody-like odorant ketones

Christian Chapuis, Robert Brauchli, Walter Thommen

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 653 KB

english, 1993

36

Structure and Highly Stereoselective Formation of 1:2 Metal-to-Ligand complexes with triamine 2,6-bis(pyrolidin-2-yl)pyridine. meso-[2,6-bis(pyrrolidin-2yl)pyridine]nickel(II) (meso-[Ni(bpp)2]2+), a Metal Complex with S4 Symmetry

Klaus Bernauer, François Gretillat, Helen Stoeckli-Evans, Ruth Warmuth

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 618 KB

english, 1993

37

Metal Complexes with Macrocylclic Ligands. Part XXXV. Stabilities of some bivalent metal-ion complexes with 1,4,7-triazacyclononane-1-acetie acid

Hui-Zhi Cai, Thomas A. Kaden

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 256 KB

english, 1993

38

C-Alkylation of Sarcosine Residues in Cyclic Tetrapeptides via Lithium Enlates

Scott A. Miller, Sian L. Griffiths, Dieter Seebach

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 2.05 MB

english, 1993

39

Heteronuclear Alkoxide Compounds Containing Copper and Alkaline Earth Metals

Woflgang Bidell, H. William Bosch, Dario Veghini, Hans-Ulrich Hund, Joachim Döring, Heinz Berke

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 769 KB

english, 1993

40

Enantiomeric Purities of (R)- and (S)-Camphors from the Chiral Pool and High Enantiomeric Purities in General

Valentin Rautenstrauch, Mikael Lindström, Bernadette Bourdin, Jane Curie, Esther Oliveros

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 651 KB

english, 1993

41

Synthesis of Unique Ceramides and Cerebrosides Occurring in Human Epidermis

Siliva Müller, Richard R. Schmidt

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 984 KB

english, 1993

42

Mitteilungen

Journal:

Helvetica Chimica Acta

Year:

1993

File:

PDF, 59 KB

1993

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