Volume 82; Issue 12

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Helvetica Chimica Acta
Volume 82; Issue 12

Helvetica Chimica Acta

Volume 82; Issue 12

1

β-Thiopeptides: Synthesis, NMR Solution Structure, CD Spectra, and Photochemistry

Thierry Sifferlen, Magnus Rueping, Karl Gademann, Bernhard Jaun, Dieter Seebach

Journal:

Helvetica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 361 KB

english, 1999

2

Synthesis and Stability of GNRA-Loop Analogs

Karlheinz Wörner, Thorsten Strube, Joachim W. Engels

Journal:

Helvetica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 150 KB

english, 1999

3

Hydrolysis of Phosphodiester Bonds within RNA Hairpin Loops in Buffer Solutions: the Effect of Secondary Structure on the Inherent Reactivity of RNA Phosphodiester Bonds

Izabela Zagorowska, Satu Mikkola, Harri Lönnberg

Journal:

Helvetica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 72 KB

english, 1999

4

Synthesis and Adenosine Deaminase Inhibitory Activity of 3′-Deoxy-1-deazaadenosines

Rosaria Volpini, Stefano Costanzi, Sauro Vittori, Gloria Cristalli, Giulio Lupidi

Journal:

Helvetica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 91 KB

english, 1999

5

Synthesis of Conformationally Restricted Carbocyclic Nucleosides: The Role of the O(4′)-Atom in the Key Hydration Step of Adenosine Deaminase

Victor E. Marquez, Pamela Russ, Randolph Alonso, Maqbool A. Siddiqui, Susana Hernandez, Clifford George, Marc C. Nicklaus, Fang Dai, Harry Ford, Jr.

Journal:

Helvetica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 148 KB

english, 1999

6

Stepwise Solid-Phase Synthesis of Peptide-Oligonucleotide Conjugates on New Solid Supports

Maxim Antopolsky, Alex Azhayev

Journal:

Helvetica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 139 KB

english, 1999

7

A Practical Synthesis of 3′-Thioguanosine and of Its 3′-Phosphoramidothioite (a Thiophosphoramidite)

Jasenka Matulic-Adamic, Leonid Beigelman

Journal:

Helvetica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 129 KB

english, 1999

8

Influence of the Type of Junction in DNA-3′-Peptide Nucleic Acid (PNA) Chimeras on Their Binding Affinity to DNA and RNA

Beate Greiner, Gerhard Breipohl, Eugen Uhlmann

Journal:

Helvetica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 107 KB

english, 1999

9

Novel Nucleoside Analogues with Fluorophores Replacing the DNA Base

Christoph Strässler, Newton E. Davis, Eric T. Kool

Journal:

Helvetica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 182 KB

english, 1999

10

Nucleotides, Part LXIII, New 2-(4-Nitrophenyl)ethyl(Npe)- and 2-(4-Nitrophenyl)ethoxycarbonyl(Npeoc)-Protected 2′-Deoxyribonucleosides and Their 3′-Phosphoramidites – Versatile Building Blocks for Oligonucleotide Synthesis

Holger Lang, Margarete Gottlieb, Michael Schwarz, Silke Farkas, Bernd S. Schulz, Frank Himmelsbach, Ramamurthy Charubala, Wolfgang Pfleiderer

Journal:

Helvetica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 211 KB

english, 1999

11

Dipyrido[3,2-a:2′,3′-c]phenazine-Tethered Oligo-DNA: Synthesis and Thermal Stability of Their DNA⋅DNA and DNA⋅RNA Duplexes and DNA⋅DNA⋅DNA Triplexes

Dimitri Ossipov, Edouard Zamaratski, Jyoti Chattopadhyaya

Journal:

Helvetica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 186 KB

english, 1999

12

Acylated Flavone Glucosides: Synthesis, Conformational Investigation, and Complexation Properties

Bertrand Alluis, Olivier Dangles

Journal:

Helvetica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 144 KB

english, 1999

13

Complexes Between 1,1′-Binaphthyl-2,2′-Dicarboxylic Acid and Pyrazoles: A Case of Manual Sorting of Conglomerate Crystals (Triage)

Orm Hager, Antonio L. Llamas-Saiz, Concepción Foces-Foces, Rosa M. Claramunt, Concepción López, José Elguero

Journal:

Helvetica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 251 KB

english, 1999

14

A General and Efficient Route for the Preparation of Phenyl-Substituted Vinyl Fluorides

Hou-Jen Tsai, Keh-Wen Lin, Tzu-hao Ting, Donald J. Burton

Journal:

Helvetica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 105 KB

english, 1999

15

Synthesis and Biological Activity of 2′-Fluoro-D-arabinofuranosylpyrazolo[3,4-d]pyrimidine Nucleosides

Anita T. Shortnacy-Fowler, Kamal N. Tiwari, John A. Montgomery, Robert W. Buckheit, Jr., John A. Secrist III, Frank Seela

Journal:

Helvetica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 91 KB

english, 1999

16

Enzyme-Mediated Preparation of (+)- and (–)-cis-α-Irone and (+)- and (–)-trans-α-Irone

Elisabetta Brenna, Claudio Fuganti, Giovanni Fronza, Luciana Malpezzi, Annalisa Righetti, Stefano Serra

Journal:

Helvetica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 171 KB

english, 1999

17

New Syntheses of Di-π-Substituted Heptalenes

Jianfeng Song, Hans-Jürgen Hansen

Journal:

Helvetica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 204 KB

english, 1999

18

A Detailed Investigation of the Reaction of 5,9-Diphenylbenz[a]azulene with Dialkyl Acetylenedicarboxylates Leading to Dialkyl 8,12-Diphenylbenzo[a]heptalene-6,7-dicarboxylates

Anthony Linden, Markus Meyer, Peter Mohler, Andreas J. Rippert, Hans-Jürgen Hansen

Journal:

Helvetica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 465 KB

english, 1999

19

Lewis Acid Catalyzed Reactions of Thioketones with 1,2-Epoxycyclohexane and 1,2-Epoxycyclopentane

Milen Blagoev, Anthony Linden, Heinz Heimgartner

Journal:

Helvetica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 253 KB

english, 1999

20

Synthese von funktionalisierten Bi(cyclopropylidenen)

Rolf Huwyler, Ahmad Al-Dulayymi, Markus Neuenschwander

Journal:

Helvetica Chimica Acta

Year:

1999

Language:

german

File:

PDF, 142 KB

german, 1999

21

C−H Insertion Reactions of Nucleophilic Carbenes

Anthony J. Arduengo III, J. C. Calabrese, Fredric Davidson, H. V. Rasika Dias, Jens R. Goerlich, Roland Krafczyk, William J. Marshall, Matthias Tamm, Reinhard Schmutzler

Journal:

Helvetica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 262 KB

english, 1999

22

Enantioselective Preparation of γ-Amino Acids and γ-Lactams from Nitro Olefins and Carboxylic Acids, with the Valine-Derived 4-Isopropyl-5,5-diphenyl-1,3-oxazolidin-2-one as an Auxiliary

Meinrad Brenner, Dieter Seebach

Journal:

Helvetica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 193 KB

english, 1999

23

β-Lactams from D-Erythrose-Derived Imines: A Convenient Synthesis of 2,3-Diamino-2,3-dideoxy-D-mannonic-Acid Derivatives

Thomas Storz, Bruno Bernet, Andrea Vasella

Journal:

Helvetica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 383 KB

english, 1999

24

(−)-Sparteine-Mediated Asymmetric Cyclocarbolithiation of Alkenes Combined with a Stereospecific retro-[1,4]-Brook Rearrangement

Susanne H. Kleinfeld, Elina Wegelius, Dieter Hoppe

Journal:

Helvetica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 163 KB

english, 1999

25

Endo- and Exocyclic Substitutions in α-P4S3I2

Alexander Hepp, Roger Blachnik

Journal:

Helvetica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 88 KB

english, 1999

26

Synthesis of 1,2,5-Thiadiazolidin-3-one 1,1-Dioxide Derivatives and Evaluation of Their Affinity for MHC Class-II Proteins

Laurent Ducry, Stefan Reinelt, Paul Seiler, François Diederich, David R. Bolin, Robert M. Campbell, Gary L. Olson

Journal:

Helvetica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 216 KB

english, 1999

27

Carbon−Fluorine Bond Formation via a Five-Coordinate Fluoro Complex of Ruthenium(II), Preliminary Communication

Peter Barthazy, Lukas Hintermann, Robert M. Stoop, Michael Wörle, Antonio Mezzetti, Antonio Togni

Journal:

Helvetica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 99 KB

english, 1999