Works matching IS 0018019X AND DT 1998 AND VI 81 AND IP 12

Results: 22

Regioselective Deprotection and Acylation of Penta- N-Protected Thermopentamine.
Published in:
Helvetica Chimica Acta, 1998, v. 81, n. 12, p. 2300, doi. 10.1002/(SICI)1522-2675(19981216)81:12<2300::AID-HLCA2300>3.0.CO;2-7
By:
- Pak, Jae Kyoung;
- Hesse, Manfred
Publication type:
Article
Synthesis of Amino-Acid-, Carbohydrate-, Coumarin-, and Biotin-Labelled Oligo[( R)-3-Hydroxybutanoic Acids] (OHB).
Published in:
Helvetica Chimica Acta, 1998, v. 81, n. 12, p. 2414, doi. 10.1002/(SICI)1522-2675(19981216)81:12<2414::AID-HLCA2414>3.0.CO;2-C
By:
- Fritz, Monica G.;
- Seebach, Dieter
Publication type:
Article
Lipase-Catalyzed Acylation and Deacylation Reactions of Pyridoxine, a Member of Vitamin-B6 Group.
Published in:
Helvetica Chimica Acta, 1998, v. 81, n. 12, p. 2407, doi. 10.1002/(SICI)1522-2675(19981216)81:12<2407::AID-HLCA2407>3.0.CO;2-X
By:
- Baldessari, Alicia;
- Mangone, Constanza P.;
- Gros, Eduardo G.
Publication type:
Article
Allgemeiner Zugang zu Polyaminen mit Ethan-1,2-diamin-Einheiten: Synthese von nicht natürlich vorkommenden homologen und isomeren N1,4-Di(4-cumaroyl)sperminen.
Published in:
Helvetica Chimica Acta, 1998, v. 81, n. 12, p. 2270, doi. 10.1002/(SICI)1522-2675(19981216)81:12<2270::AID-HLCA2270>3.0.CO;2-#
By:
- Lochner, Martin;
- Geneste, Hervé;
- Hesse, Manfred
Publication type:
Article
Formation of Unusual Products from the Acid-Catalyzed Reaction of Azulenes with Dimethyl Acetylenedicarboxylate.
Published in:
Helvetica Chimica Acta, 1998, v. 81, n. 12, p. 2201, doi. 10.1002/(SICI)1522-2675(19981216)81:12<2201::AID-HLCA2201>3.0.CO;2-7
By:
- Brügger, Paul;
- Uebelhart, Peter;
- Kunz, Roland W.;
- Sigrist, Rolf;
- Hansen, Hans-Jürgen
Publication type:
Article
Stereoselective 1,3-Dipolar Cycloadditions to ( S)-1-Benzoyl-3-(cyanomethylidene)-5-(methoxycarbonyl)pyrrolidin-2-one.
Published in:
Helvetica Chimica Acta, 1998, v. 81, n. 12, p. 2332, doi. 10.1002/(SICI)1522-2675(19981216)81:12<2332::AID-HLCA2332>3.0.CO;2-Q
By:
- Škof, Marko;
- Svete, Jurij;
- Stanovnik, Branko;
- Golič, Ljubo;
- Golič-Grdadolnik, Simona;
- Selič, Lovro
Publication type:
Article
Influence of the Solvent Polarity on the Stereoselectivity of the Uncatalyzed [4+2] Cycloaddition of Cyclopentadiene to N, N′-Fumaroyldi[(2 R)-borane-10,2-sultam].
Published in:
Helvetica Chimica Acta, 1998, v. 81, n. 12, p. 2314, doi. 10.1002/(SICI)1522-2675(19981216)81:12<2314::AID-HLCA2314>3.0.CO;2-I
By:
- Chapuis, Christian;
- Kucharska, Anna;
- Rzepecki, Piotr;
- Jurczak, Janusz
Publication type:
Article
Iron-Mediated Amination of Hydrocarbons in the Gas Phase.
Published in:
Helvetica Chimica Acta, 1998, v. 81, n. 12, p. 2348, doi. 10.1002/(SICI)1522-2675(19981216)81:12<2348::AID-HLCA2348>3.0.CO;2-P
By:
- Brönstrup, Mark;
- Kretzschmar, Ilona;
- Schröder, Detlef;
- Schwarz, Helmut
Publication type:
Article
Desulfurization of 4-Nitro- N,2-diphenyl-3-(phenylamino)isothiazol- 5(2 H)-imine: Formation of a 3-Imino-2-nitroprop-2-enamidine.
Published in:
Helvetica Chimica Acta, 1998, v. 81, n. 12, p. 2388, doi. 10.1002/(SICI)1522-2675(19981216)81:12<2388::AID-HLCA2388>3.0.CO;2-H
By:
- Argilagos, Dally Moya;
- Kunz, Roland W.;
- Linden, Anthony;
- Heimgartner, Heinz
Publication type:
Article
Oligosaccharide Analogues of Polysaccharides.
Published in:
Helvetica Chimica Acta, 1998, v. 81, n. 12, p. 2157, doi. 10.1002/(SICI)1522-2675(19981216)81:12<2157::AID-HLCA2157>3.0.CO;2-4
By:
- Ernst, Alexander;
- Schweizer, W. Bernd;
- Vasella, Andrea
Publication type:
Article
Synthesis of New 3′-Deoxyribonucleosides Employing the Acid-Catalyzed Fusion Method.
Published in:
Helvetica Chimica Acta, 1998, v. 81, n. 12, p. 2326, doi. 10.1002/(SICI)1522-2675(19981216)81:12<2326::AID-HLCA2326>3.0.CO;2-4
By:
- Volpini, Rosaria;
- Camaioni, Emidio;
- Costanzi, Stefano;
- Vittori, Sauro;
- Cristalli, Gloria
Publication type:
Article
Structure/Odor Relationships of (&sminus 0;)- and (&splus 0;)- β-Vetivone, and Their Demethyl Derivatives.
Published in:
Helvetica Chimica Acta, 1998, v. 81, n. 12, p. 2292, doi. 10.1002/(SICI)1522-2675(19981216)81:12<2292::AID-HLCA2292>3.0.CO;2-K
By:
- Spreitzer, Helmut;
- Piringer, Iris;
- Holzer, Wolfgang;
- Widhalm, Michael
Publication type:
Article
Facile Synthesis of Furan-3,4-diacetates.
Published in:
Helvetica Chimica Acta, 1998, v. 81, n. 12, p. 2370, doi. 10.1002/(SICI)1522-2675(19981216)81:12<2370::AID-HLCA2370>3.0.CO;2-U
By:
- Wenkert, Ernest;
- Khatuya, Haripada
Publication type:
Article
( S)- β3-Homolysine- and ( S)- β3-Homoserine-Containing β-Peptides: CD Spectra in Aqueous Solution.
Published in:
Helvetica Chimica Acta, 1998, v. 81, n. 12, p. 2141, doi. 10.1002/(SICI)1522-2675(19981216)81:12<2141::AID-HLCA2141>3.0.CO;2-5
By:
- Abele, Stefan;
- Guichard, Gilles;
- Seebach, Dieter
Publication type:
Article
Synthesis and Structure of Linear and Cyclic Oligomers of 3-Hydroxybutanoic Acid with Specific Sequences of ( R)- and ( S)-Configurations.
Published in:
Helvetica Chimica Acta, 1998, v. 81, n. 12, p. 2430, doi. 10.1002/(SICI)1522-2675(19981216)81:12<2430::AID-HLCA2430>3.0.CO;2-W
By:
- Bachmann, Beat M.;
- Seebach, Dieter
Publication type:
Article
On the Diastereoselectivity of the Aqueous-Acid-Catalyzed Intramolecular Aldol Condensation of 3-Oxocyclohexaneacetaldehydes.
Published in:
Helvetica Chimica Acta, 1998, v. 81, n. 12, p. 2375, doi. 10.1002/(SICI)1522-2675(19981216)81:12<2375::AID-HLCA2375>3.0.CO;2-0
By:
- De Santis, Barbara;
- Iamiceli, Anna Laura;
- Bettolo, Rinaldo Marini;
- Migneco, Luisa Maria;
- Scarpelli, Rita;
- Cerichelli, Giorgio;
- Fabrizi, Giancarlo;
- Lamba, Doriano
Publication type:
Article
Preparation and Structure of β-Peptides Consisting of Geminally Disubstituted β2,2- and β3,3-Amino Acids: A Turn Motif for β-Peptides.
Published in:
Helvetica Chimica Acta, 1998, v. 81, n. 12, p. 2218, doi. 10.1002/(SICI)1522-2675(19981216)81:12<2218::AID-HLCA2218>3.0.CO;2-0
By:
- Seebach, Dieter;
- Abele, Stefan;
- Sifferlen, Thierry;
- Hänggi, Martin;
- Gruner, Sibylle;
- Seiler, Paul
Publication type:
Article
N 7-DNA: Base-Pairing Properties of N 7-(2′-Deoxy- β- D- erythro-pentofuranosyl)-Substituted Adenine, Hypoxanthine, and Guanine in Duplexes with Parallel Chain Orientation.
Published in:
Helvetica Chimica Acta, 1998, v. 81, n. 12, p. 2244, doi. 10.1002/(SICI)1522-2675(19981216)81:12<2244::AID-HLCA2244>3.0.CO;2-I
By:
- Seela, Frank;
- Leonard, Peter
Publication type:
Article
Rapid Synthesis of α, β-Didehydroaspartic-Acid Derivatives Carrying a β-Substituent.
Published in:
Helvetica Chimica Acta, 1998, v. 81, n. 12, p. 2341, doi. 10.1002/(SICI)1522-2675(19981216)81:12<2341::AID-HLCA2341>3.0.CO;2-U
By:
- Schottelius, Marc J.;
- Chen, Peter
Publication type:
Article
Die Aminopentadienal-Umlagerung.
Published in:
Helvetica Chimica Acta, 1998, v. 81, n. 12, p. 2282, doi. 10.1002/(SICI)1522-2675(19981216)81:12<2282::AID-HLCA2282>3.0.CO;2-M
By:
- Fischer, Fabian;
- Neuenschwander, Markus
Publication type:
Article
Preparation of 17 β-(Hydroxymethyl)-3-methoxyestra-1,3,5(10)- trien-18-oic Acid 18,20-Lactone, a New C(18)-Oxygenated Steroid.
Published in:
Helvetica Chimica Acta, 1998, v. 81, n. 12, p. 2264, doi. 10.1002/(SICI)1522-2675(19981216)81:12<2264::AID-HLCA2264>3.0.CO;2-E
By:
- Kuhl, Alexander;
- Kreiser, Wolfgang
Publication type:
Article
Negative Cooperativity in the Molecular Recognition of Excitatory Amino-Acid Derivatives by Synthetic Allosteric 1,1′-Binaphthalene Receptors.
Published in:
Helvetica Chimica Acta, 1998, v. 81, n. 12, p. 2190, doi. 10.1002/(SICI)1522-2675(19981216)81:12<2190::AID-HLCA2190>3.0.CO;2-1
By:
- Lustenberger, Philipp;
- Welti, Roger;
- Diederich, François
Publication type:
Article

Works matching IS 0018019X AND DT 1998 AND VI 81 AND IP 12

Regioselective Deprotection and Acylation of Penta- N-Protected Thermopentamine.

Synthesis of Amino-Acid-, Carbohydrate-, Coumarin-, and Biotin-Labelled Oligo[( R)-3-Hydroxybutanoic Acids] (OHB).

Lipase-Catalyzed Acylation and Deacylation Reactions of Pyridoxine, a Member of Vitamin-B<sub>6</sub> Group.

Allgemeiner Zugang zu Polyaminen mit Ethan-1,2-diamin-Einheiten: Synthese von nicht natürlich vorkommenden homologen und isomeren N<sup>1</sup>,4-Di(4-cumaroyl)sperminen.

Formation of Unusual Products from the Acid-Catalyzed Reaction of Azulenes with Dimethyl Acetylenedicarboxylate.

Stereoselective 1,3-Dipolar Cycloadditions to ( S)-1-Benzoyl-3-(cyanomethylidene)-5-(methoxycarbonyl)pyrrolidin-2-one.

Influence of the Solvent Polarity on the Stereoselectivity of the Uncatalyzed [4+2] Cycloaddition of Cyclopentadiene to N, N′-Fumaroyldi[(2 R)-borane-10,2-sultam].

Iron-Mediated Amination of Hydrocarbons in the Gas Phase.

Desulfurization of 4-Nitro- N,2-diphenyl-3-(phenylamino)isothiazol- 5(2 H)-imine: Formation of a 3-Imino-2-nitroprop-2-enamidine.

Oligosaccharide Analogues of Polysaccharides.

Synthesis of New 3′-Deoxyribonucleosides Employing the Acid-Catalyzed Fusion Method.

Structure/Odor Relationships of (&sminus 0;)- and (&splus 0;)- β-Vetivone, and Their Demethyl Derivatives.

Facile Synthesis of Furan-3,4-diacetates.

( S)- β<sup>3</sup>-Homolysine- and ( S)- β<sup>3</sup>-Homoserine-Containing β-Peptides: CD Spectra in Aqueous Solution.

Synthesis and Structure of Linear and Cyclic Oligomers of 3-Hydroxybutanoic Acid with Specific Sequences of ( R)- and ( S)-Configurations.

On the Diastereoselectivity of the Aqueous-Acid-Catalyzed Intramolecular Aldol Condensation of 3-Oxocyclohexaneacetaldehydes.

Preparation and Structure of β-Peptides Consisting of Geminally Disubstituted β<sup>2,2</sup>- and β<sup>3,3</sup>-Amino Acids: A Turn Motif for β-Peptides.

N <sup>7</sup>-DNA: Base-Pairing Properties of N <sup>7</sup>-(2′-Deoxy- β- D- erythro-pentofuranosyl)-Substituted Adenine, Hypoxanthine, and Guanine in Duplexes with Parallel Chain Orientation.

Rapid Synthesis of α, β-Didehydroaspartic-Acid Derivatives Carrying a β-Substituent.

Die Aminopentadienal-Umlagerung.

Preparation of 17 β-(Hydroxymethyl)-3-methoxyestra-1,3,5(10)- trien-18-oic Acid 18,20-Lactone, a New C(18)-Oxygenated Steroid.

Negative Cooperativity in the Molecular Recognition of Excitatory Amino-Acid Derivatives by Synthetic Allosteric 1,1′-Binaphthalene Receptors.