Works matching IS 0018019X AND DT 1998 AND VI 81 AND IP 9

Results: 14

Polar Metabolites of the Tropical Green Seaweed Caulerpa taxifolia Which Is Spreading in the Mediterranean Sea: Glycoglycerolipids and Stable Enols ( α\=Keto Esters).

Published in:

Helvetica Chimica Acta, 1998, v. 81, n. 9, p. 1681, doi. 10.1002/(SICI)1522-2675(19980909)81:9<1681::AID-HLCA1681>3.0.CO;2-4

By:

Mancini, Ines;
Guella, Graziano;
Defant, Andrea;
Candenas, M. Luz;
Armesto, Cristina P.;
Depentori, Daniela;
Pietra, Francesco

Publication type:

Article

Stabilization of a β-Hairpin Conformation in a Cyclic Peptide Using the Templating Effect of a Heterochiral Diproline Unit.

Published in:

Helvetica Chimica Acta, 1998, v. 81, n. 9, p. 1726, doi. 10.1002/(SICI)1522-2675(19980909)81:9<1726::AID-HLCA1726>3.0.CO;2-H

By:

Späth, Julia;
Stuart, Fiona;
Jiang, Luyong;
Robinson, John A.

Publication type:

Article

Comparison of Characteristic Structural Features among the Triade of Tris(cyclopentadienyl)(Group-4 Metal) Complex Cations: a Combined Theoretical and Experimental Study.

Published in:

Helvetica Chimica Acta, 1998, v. 81, n. 9, p. 1692, doi. 10.1002/(SICI)1522-2675(19980909)81:9<1692::AID-HLCA1692>3.0.CO;2-X

By:

Jacobsen, Heiko;
Berke, Heinz;
Brackemeyer, Thomas;
Eisenblätter, Tanja;
Erker, Gerhard;
Fröhlich, Roland;
Meyer, Oliver;
Bergander, Klaus

Publication type:

Article

Transformations of Ethyl 3-{[1-(Alkoxycarbonyl)-2-(dimethylamino)ethenyl]amino}-2-cyanoprop-2-enoates: Synthesis of Dialkyl 3-Aminopyrrole-2,4-dicarboxylates.

Published in:

Helvetica Chimica Acta, 1998, v. 81, n. 9, p. 1634, doi. 10.1002/(SICI)1522-2675(19980909)81:9<1634::AID-HLCA1634>3.0.CO;2-X

By:

Selič, Lovro;
Stanovnik, Branko

Publication type:

Article

The Absolute Configuration at C(7) of Voacangine Hydroxyindolenine.

Published in:

Helvetica Chimica Acta, 1998, v. 81, n. 9, p. 1645, doi. 10.1002/(SICI)1522-2675(19980909)81:9<1645::AID-HLCA1645>3.0.CO;2-P

By:

Madinaveitia, Alberto;
de la Fuente, Gabriel;
González, Antonio

Publication type:

Article

First Examples of Reactions of Azole N-Oxides with Thioketones: A Novel Type of Sulfur-Transfer Reaction.

Published in:

Helvetica Chimica Acta, 1998, v. 81, n. 9, p. 1585, doi. 10.1002/(SICI)1522-2675(19980909)81:9<1585::AID-HLCA1585>3.0.CO;2-N

By:

Mlostoń, Grzegorz;
Gendek, Tomasz;
Heimgartner, Heinz

Publication type:

Article

Inhibition of Glycosidases by Lactam Oximes: Influence of the Aglycon in Disaccharide Analogues.

Published in:

Helvetica Chimica Acta, 1998, v. 81, n. 9, p. 1710, doi. 10.1002/(SICI)1522-2675(19980909)81:9<1710::AID-HLCA1710>3.0.CO;2-I

By:

Vonhoff, Stefan;
Heightman, Tom D.;
Vasella, Andrea

Publication type:

Article

Ring Opening of Thiophene: Synthesis and Crystal Structure of Bis(diethyl ether)bis( μ4-{(3,4- η)-4-[1,1,3,3-tetramethyl-3-(2-thienyl)disilazan-1-yl- κ N : κ N]but-1-en-3-yne-1-thiolato(2−)- κ S : κ S : κ S})tetralithium ([(C4H3S)SiMe2−N(Li)−SiMe2−C≡C−CH=CH−SLi⋅OEt2]2)

Published in:

Helvetica Chimica Acta, 1998, v. 81, n. 9, p. 1640, doi. 10.1002/(SICI)1522-2675(19980909)81:9<1640::AID-HLCA1640>3.0.CO;2-I

By:

Veith, Michael;
Koban, Astrid;
Huch, Volker

Publication type:

Article

Structural Chemistry of Methyl- and Allylpalladium(II) Complexes Containing Chiral Thioether Auxiliaries.

Published in:

Helvetica Chimica Acta, 1998, v. 81, n. 9, p. 1622, doi. 10.1002/(SICI)1522-2675(19980909)81:9<1622::AID-HLCA1622>3.0.CO;2-A

By:

Boog-Wick, Karin;
Pregosin, Paul S.;
Wörle, Michael;
Albinati, Alberto

Publication type:

Article

Novel Acetogenins from the Leaves of Dasymaschalon sootepense.

Published in:

Helvetica Chimica Acta, 1998, v. 81, n. 9, p. 1608, doi. 10.1002/(SICI)1522-2675(19980909)81:9<1608::AID-HLCA1608>3.0.CO;2-F

By:

Sinz, Andrea;
Matusch, Rudolf;
Kämpchen, Thomas;
Fiedler, Winfried;
Schmidt, Jürgen;
Santisuk, Thawatchai;
Wangcharoentrakul, Sirichai;
Chaichana, Suttiporn;
Reutrakul, Vichai

Publication type:

Article

Libraries via Metathesis of Internal Olefins.

Published in:

Helvetica Chimica Acta, 1998, v. 81, n. 9, p. 1616, doi. 10.1002/(SICI)1522-2675(19980909)81:9<1616::AID-HLCA1616>3.0.CO;2-P

By:

Brändli, Christof;
Ward, Thomas R.

Publication type:

Article

Biosynthesis of Angular Furanocoumarins: Mechanism and Stereochemistry of the Oxidative Dealkylation of Columbianetin to Angelicin in Heracleum mantegazzianum (Apiaceae).

Published in:

Helvetica Chimica Acta, 1998, v. 81, n. 9, p. 1596, doi. 10.1002/(SICI)1522-2675(19980909)81:9<1596::AID-HLCA1596>3.0.CO;2-F

By:

Stanjek, Volker;
Boland, Wilhelm

Publication type:

Article

Asymmetric Hetero- Diels-Alder Addition of 1-Methoxybuta-1,3-diene to (2 R)- N-Pyruvoyl- and (2 R)- N-(Phenylglyoxyloyl)bornane-10,2-sultam.

Published in:

Helvetica Chimica Acta, 1998, v. 81, n. 9, p. 1672, doi. 10.1002/(SICI)1522-2675(19980909)81:9<1672::AID-HLCA1672>3.0.CO;2-0

By:

Kiegiel, Jaroslaw;
Chapuis, Christian;
Urbañczyk-Lipkowska, Zofia;
Jurczak, Janusz

Publication type:

Article

On-Line Coupling of High-Performance Liquid Chromatography to Atmospheric Pressure Chemical Ionization Mass Spectrometry (HPLC/APCI-MS and MS/MS). The Pollen Analysis of Hippeastrum x hortorum (Amaryllidaceae).

Published in:

Helvetica Chimica Acta, 1998, v. 81, n. 9, p. 1654, doi. 10.1002/(SICI)1522-2675(19980909)81:9<1654::AID-HLCA1654>3.0.CO;2-T

By:

Youhnovski, Nikolay;
Bigler, Laurent;
Werner, Christa;
Hesse, Manfred

Publication type:

Article