Works matching IS 0018019X AND DT 1999 AND VI 82 AND IP 12

Results: 27

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

Published in:

Helvetica Chimica Acta, 1999, v. 82, n. 12, p. 2246, doi. 10.1002/(SICI)1522-2675(19991215)82:12<2246::AID-HLCA2246>3.0.CO;2-3

By:

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

Publication type:

Article

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.

Published in:

Helvetica Chimica Acta, 1999, v. 82, n. 12, p. 2172, doi. 10.1002/(SICI)1522-2675(19991215)82:12<2172::AID-HLCA2172>3.0.CO;2-R

By:

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

Publication type:

Article

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

Published in:

Helvetica Chimica Acta, 1999, v. 82, n. 12, p. 2432, doi. 10.1002/(SICI)1522-2675(19991215)82:12<2432::AID-HLCA2432>3.0.CO;2-H

By:

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

Publication type:

Article

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

Published in:

Helvetica Chimica Acta, 1999, v. 82, n. 12, p. 2380, doi. 10.1002/(SICI)1522-2675(19991215)82:12<2380::AID-HLCA2380>3.0.CO;2-P

By:

Storz, Thomas;
Bernet, Bruno;
Vasella, Andrea

Publication type:

Article

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.

Published in:

Helvetica Chimica Acta, 1999, v. 82, n. 12, p. 2186, doi. 10.1002/(SICI)1522-2675(19991215)82:12<2186::AID-HLCA2186>3.0.CO;2-1

By:

Ossipov, Dimitri;
Zamaratski, Edouard;
Chattopadhyaya, Jyoti

Publication type:

Article

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

Published in:

Helvetica Chimica Acta, 1999, v. 82, n. 12, p. 2201, doi. 10.1002/(SICI)1522-2675(19991215)82:12<2201::AID-HLCA2201>3.0.CO;2-4

By:

Alluis, Bertrand;
Dangles, Olivier

Publication type:

Article

Novel Nucleoside Analogues with Fluorophores Replacing the DNA Base.

Published in:

Helvetica Chimica Acta, 1999, v. 82, n. 12, p. 2160, doi. 10.1002/(SICI)1522-2675(19991215)82:12<2160::AID-HLCA2160>3.0.CO;2-4

By:

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

Publication type:

Article

C−H Insertion Reactions of Nucleophilic Carbenes.

Published in:

Helvetica Chimica Acta, 1999, v. 82, n. 12, p. 2348, doi. 10.1002/(SICI)1522-2675(19991215)82:12<2348::AID-HLCA2348>3.0.CO;2-M

By:

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

Publication type:

Article

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.

Published in:

Helvetica Chimica Acta, 1999, v. 82, n. 12, p. 2274, doi. 10.1002/(SICI)1522-2675(19991215)82:12<2274::AID-HLCA2274>3.0.CO;2-9

By:

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

Publication type:

Article

Endo- and Exocyclic Substitutions in α-P4S3I2.

Published in:

Helvetica Chimica Acta, 1999, v. 82, n. 12, p. 2425, doi. 10.1002/(SICI)1522-2675(19991215)82:12<2425::AID-HLCA2425>3.0.CO;2-1

By:

Hepp, Alexander;
Blachnik, Roger

Publication type:

Article

Synthesis and Stability of GNRA-Loop Analogs.

Published in:

Helvetica Chimica Acta, 1999, v. 82, n. 12, p. 2094, doi. 10.1002/(SICI)1522-2675(19991215)82:12<2094::AID-HLCA2094>3.0.CO;2-H

By:

Wörner, Karlheinz;
Strube, Thorsten;
Engels, Joachim W.

Publication type:

Article

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

Published in:

Helvetica Chimica Acta, 1999, v. 82, n. 12, p. 2413, doi. 10.1002/(SICI)1522-2675(19991215)82:12<2413::AID-HLCA2413>3.0.CO;2-F

By:

Kleinfeld, Susanne H.;
Wegelius, Elina;
Hoppe, Dieter

Publication type:

Article

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

Published in:

Helvetica Chimica Acta, 1999, v. 82, n. 12, p. 2240, doi. 10.1002/(SICI)1522-2675(19991215)82:12<2240::AID-HLCA2240>3.0.CO;2-2

By:

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

Publication type:

Article

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.

Published in:

Helvetica Chimica Acta, 1999, v. 82, n. 12, p. 2365, doi. 10.1002/(SICI)1522-2675(19991215)82:12<2365::AID-HLCA2365>3.0.CO;2-#

By:

Brenner, Meinrad;
Seebach, Dieter

Publication type:

Article

Synthese von funktionalisierten Bi(cyclopropylidenen).

Published in:

Helvetica Chimica Acta, 1999, v. 82, n. 12, p. 2336, doi. 10.1002/(SICI)1522-2675(19991215)82:12<2336::AID-HLCA2336>3.0.CO;2-#

By:

Huwyler, Rolf;
Al-Dulayymi, Ahmad;
Neuenschwander, Markus

Publication type:

Article

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

Published in:

Helvetica Chimica Acta, 1999, v. 82, n. 12, p. 2130, doi. 10.1002/(SICI)1522-2675(19991215)82:12<2130::AID-HLCA2130>3.0.CO;2-A

By:

Antopolsky, Maxim;
Azhayev, Alex

Publication type:

Article

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

Published in:

Helvetica Chimica Acta, 1999, v. 82, n. 12, p. 2141, doi. 10.1002/(SICI)1522-2675(19991215)82:12<2141::AID-HLCA2141>3.0.CO;2-2

By:

Matulic-Adamic, Jasenka;
Beigelman, Leonid

Publication type:

Article

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

Published in:

Helvetica Chimica Acta, 1999, v. 82, n. 12, p. 2112, doi. 10.1002/(SICI)1522-2675(19991215)82:12<2112::AID-HLCA2112>3.0.CO;2-2

By:

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

Publication type:

Article

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

Published in:

Helvetica Chimica Acta, 1999, v. 82, n. 12, p. 2105, doi. 10.1002/(SICI)1522-2675(19991215)82:12<2105::AID-HLCA2105>3.0.CO;2-N

By:

Zagorowska, Izabela;
Mikkola, Satu;
Lönnberg, Harri

Publication type:

Article

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

Published in:

Helvetica Chimica Acta, 1999, v. 82, n. 12, p. 2316, doi. 10.1002/(SICI)1522-2675(19991215)82:12<2316::AID-HLCA2316>3.0.CO;2-3

By:

Blagoev, Milen;
Linden, Anthony;
Heimgartner, Heinz

Publication type:

Article

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

Published in:

Helvetica Chimica Acta, 1999, v. 82, n. 12, p. 2213, doi. 10.1002/(SICI)1522-2675(19991215)82:12<2213::AID-HLCA2213>3.0.CO;2-R

By:

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

Publication type:

Article

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

Published in:

Helvetica Chimica Acta, 1999, v. 82, n. 12, p. 2151, doi. 10.1002/(SICI)1522-2675(19991215)82:12<2151::AID-HLCA2151>3.0.CO;2-0

By:

Greiner, Beate;
Breipohl, Gerhard;
Uhlmann, Eugen

Publication type:

Article

New Syntheses of Di- π-Substituted Heptalenes.

Published in:

Helvetica Chimica Acta, 1999, v. 82, n. 12, p. 2260, doi. 10.1002/(SICI)1522-2675(19991215)82:12<2260::AID-HLCA2260>3.0.CO;2-Z

By:

Song, Jianfeng;
Hansen, Hans-Jürgen

Publication type:

Article

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

Published in:

Helvetica Chimica Acta, 1999, v. 82, n. 12, p. 2448, doi. 10.1002/(SICI)1522-2675(19991215)82:12<2448::AID-HLCA2448>3.0.CO;2-G

By:

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

Publication type:

Article

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

Published in:

Helvetica Chimica Acta, 1999, v. 82, n. 12, p. 2231, doi. 10.1002/(SICI)1522-2675(19991215)82:12<2231::AID-HLCA2231>3.0.CO;2-Z

By:

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

Publication type:

Article

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

Published in:

Helvetica Chimica Acta, 1999, v. 82, n. 12, p. 2119, doi. 10.1002/(SICI)1522-2675(19991215)82:12<2119::AID-HLCA2119>3.0.CO;2-Y

By:

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

Publication type:

Article

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

Published in:

Helvetica Chimica Acta, 1999, v. 82, n. 12, p. 2067, doi. 10.1002/(SICI)1522-2675(19991215)82:12<2067::AID-HLCA2067>3.0.CO;2-5

By:

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

Publication type:

Article