Volume 83; Issue 8

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Helvetica Chimica Acta
Volume 83; Issue 8

Helvetica Chimica Acta

Volume 83; Issue 8

1

Albert Eschenmoser

Erik J. Sorensen

Journal:

Helvetica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 48 KB

english, 2000

2

A Comparison of RNA with DNA in Template-Directed Synthesis

Magdalene Zielinski, Igor A. Kozlov, Leslie E. Orgel

Journal:

Helvetica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 216 KB

english, 2000

3

Development of Cytodifferentiating Agents for Cancer Chemotherapy

Ronald Breslow, Sandro Belvedere, Leland Gershell

Journal:

Helvetica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 114 KB

english, 2000

4

The Syntheses of Pyrimido-pyridazinone and Pyrrolidino-pyrimidinone 2′-Deoxynucleoside Derivatives

David Loakes, Mao-Jun Guo, Ji-Chun Yang, Daniel M. Brown

Journal:

Helvetica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 139 KB

english, 2000

5

In Vitro Evolution of a Ribozyme that Contains 5-Bromouridine

Xiaochang Dai, Gerald F. Joyce

Journal:

Helvetica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 335 KB

english, 2000

6

Molecular Switching: A Fully Reversible, Optically Active Photochemical Switch Based on a Tetraethynylethene-1,1′-Binaphthalene Hybrid System

Luca Gobbi, Paul Seiler, Franc˛ois Diederich, Volker Gramlich

Journal:

Helvetica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 422 KB

english, 2000

7

Controlled Uptake and Release of Metal Cations by Vanadium Oxide Nanotubes

J. Matias Reinoso, Hans-Joachim Muhr, Frank Krumeich, Fabian Bieri, Reinhard Nesper

Journal:

Helvetica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 377 KB

english, 2000

8

Applications of Aziridinium Ions: Selective Syntheses of Pyrazolidin-3-ones and Pyrazolo[1,2-a]pyrazoles

Tsung-Hsun Chuang, K. Barry Sharpless

Journal:

Helvetica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 144 KB

english, 2000

9

A Remarkable Photoreaction of 3-O-Benzylhypericin

Thomas G. Dax, Evgeny I. Kapinus, Heinz Falk

Journal:

Helvetica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 199 KB

english, 2000

10

Towards a New Synthetic Entry into the Iboga-Alkaloid Family

Christine Frauenfelder, Hans-Jürg Borschberg

Journal:

Helvetica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 280 KB

english, 2000

11

Artificial Photoaging of Triterpenes Studied by Graphite-Assisted Laser Desorption/Ionization Mass Spectrometry

Patrick Dietemann, Michael J. Edelmann, Christian Meisterhans, Corina Pfeiffer, Stefan Zumbühl, Richard Knochenmuss, Renato Zenobi

Journal:

Helvetica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 262 KB

english, 2000

12

Structural Studies of Self-Folding Cavitands

Alexander Shivanyuk, Kari Rissanen, Steffi K. Körner, Dmitry M. Rudkevich, Julius Rebek, Jr.

Journal:

Helvetica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 233 KB

english, 2000

13

Synthesis of Fluorobenzene and Benzimidazole Nucleic-Acid Analogues and Their Influence on Stability of RNA Duplexes

Jörg Parsch, Joachim W. Engels

Journal:

Helvetica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 329 KB

english, 2000

14

Photochemical Ring Enlargement of Macrocyclic N-Phenyl Imides into Cyclophanes

Jörg A. Heerklotz, Changchun Fu, Anthony Linden, Manfred Hesse

Journal:

Helvetica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 347 KB

english, 2000

15

Non-Amide-Based Combinatorial Libraries Derived from N-Boc-Iminodiacetic Acid: Solution-Phase Synthesis of Piperazinone Libraries with Activity Against LEF-1/β-Catenin-Mediated Transcription

Dale L. Boger, Joel Goldberg, Shigeki Satoh, Yves Ambroise, Steven B. Cohen, Peter K. Vogt

Journal:

Helvetica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 584 KB

english, 2000

16

Kinetic Analysis of the Divergence of Reaction Pathways in the Chiral Lewis Base Promoted Aldol Additions of Trichlorosilyl Enol Ethers: A Rapid-Injection NMR Study

Scott E. Denmark, Son M. Pham

Journal:

Helvetica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 152 KB

english, 2000

17

Synthesis of Cytostatic Tetradecacyclic Pyrazines and a Novel Reduction-Oxidation Sequence for Spiroketal Opening in Sapogenins

Siegfried Bäsler, Annette Brunck, Rolf Jautelat, Ekkehard Winterfeldt

Journal:

Helvetica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 535 KB

english, 2000

18

Synthesis of Conformationally Restricted Cyclic Hexadepsipeptides via Direct Amide Cyclization

Kristian N. Koch, Heinz Heimgartner

Journal:

Helvetica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 323 KB

english, 2000

19

A Catalytic and Stereoselective Glycosylation with β-Glycosyl Fluorides

Teruaki Mukaiyama, Kazuya Takeuchi, Hideki Jona, Hisashi Maeshima, Terunobu Saitoh

Journal:

Helvetica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 459 KB

english, 2000

20

Electroweak Quantum Chemistry for Possible Precursor Molecules in the Evolution of Biomolecular Homochirality

Robert Berger, Martin Quack, Gregory S. Tschumper

Journal:

Helvetica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 439 KB

english, 2000

21

Butyllithium Addition to α-Chiral Compounds: Solvent Mixture Effects on Diastereofacial Selectivity

Gianfranco Cainelli, Paola Galletti, Daria Giacomini, Paolo Orioli, Mario A. Polidoro, Maria Cristina Righetti

Journal:

Helvetica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 253 KB

english, 2000

22

Aromatic vs. Carbohydrate Residues in the Major Groove: Synthesis of 5-[(Benzyloxy)methyl]pyrimidine Nucleosides and Their Incorporation into Oligonucleotides

Reto Bertolini, Jürg Hunziker

Journal:

Helvetica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 348 KB

english, 2000

23

Total Synthesis and Biological Evaluation of Glycolipids Plakosides A, B and Their Analogs

Kyriacos C. Nicolaou, Jim Li, Gerhard Zenke

Journal:

Helvetica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 609 KB

english, 2000

24

Enantioselective Synthesis of ent-Stellettamide A: Asymmetric Dipolar Cycloadditions with Me3SiCHN2

Gavin A. Whitlock, Erick M. Carreira

Journal:

Helvetica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 205 KB

english, 2000

25

Nucleotides, Part LXV , Synthesis of 2′-Deoxyribonucleoside 5′-Phosphoramidites: New Building Blocks for the Inverse (5′-3′)-Oligonucleotide Approach

Thomas Wagner, Wolfgang Pfleiderer

Journal:

Helvetica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 266 KB

english, 2000

26

Stereochemistry of Formation of the β-Ring of Lycopene: Biosynthesis of (1R,1′R)-β,β-[16,16,16,16′,16′,16′-2H6]Carotene from [16,16,16,16′,16′,16′-2H6]Lycopene in Flavobacterium R 1560

Sasank Sekhar Mohanty, Peter Uebelhart, Conrad Hans Eugster

Journal:

Helvetica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 361 KB

english, 2000