Works matching IS 0018019X AND DT 2000 AND VI 83 AND IP 2

Results: 18

New Triterpenoid Saponins from Achyrantes aspera Linn.

Published in:

Helvetica Chimica Acta, 2000, v. 83, n. 2, p. 359, doi. 10.1002/(SICI)1522-2675(20000216)83:2<359::AID-HLCA359>3.0.CO;2-7

By:

Michl, Günter;
Abebe, Dawit;
Bucar, Franz;
Debella, Asfaw;
Kunert, Olaf;
Schmid, Martin G.;
Mulatu, Efrem;
Haslinger, Ernst

Publication type:

Article

Water-Soluble Flavonol (=3-Hydroxy-2-phenyl-4 H-1-benzopyran-4-one) Derivatives: Chemical Synthesis, Colouring, and Antioxidant Properties.

Published in:

Helvetica Chimica Acta, 2000, v. 83, n. 2, p. 428, doi. 10.1002/(SICI)1522-2675(20000216)83:2<428::AID-HLCA428>3.0.CO;2-J

By:

Alluis, Bertrand;
Pérol, Nathalie;
El hajji, Hakima;
Dangles, Olivier

Publication type:

Article

Synthesis and Characterization of Various Benzyl Diethylenetriaminepentaacetic Acids (dtpa) and Their Paramagnetic Complexes, Potential Contrast Agents for Magnetic Resonance Imaging.

Published in:

Helvetica Chimica Acta, 2000, v. 83, n. 2, p. 394, doi. 10.1002/(SICI)1522-2675(20000216)83:2<394::AID-HLCA394>3.0.CO;2-B

By:

Laurent, Sophie;
Vander Elst, Luce;
Houzé, Sylvain;
Guérit, Nathalie;
Muller, Robert N.

Publication type:

Article

Chromatographic Resolution, Circular Dichroism Spectra, Absolute Configurations, and Crystal Structures of Bridged Biphenyls, Containing Sulfide, Sulfoxide, and Sulfone Groups in the Bridge.

Published in:

Helvetica Chimica Acta, 2000, v. 83, n. 2, p. 479, doi. 10.1002/(SICI)1522-2675(20000216)83:2<479::AID-HLCA479>3.0.CO;2-W

By:

Lončar-Tomašcović, Linda;
Šarac-Arneri, Ruža;
Hergold-Brundić, Antonija;
Nagl, Ante;
Mintas, Mladen;
Sandström, Jan

Publication type:

Article

Conformational Bias in Macrocyclic Ethers and Observation of High Solvolytic Reactivity at a Masked Furfuryl (=2-Furylmethyl) C-Atom.

Published in:

Helvetica Chimica Acta, 2000, v. 83, n. 2, p. 336, doi. 10.1002/(SICI)1522-2675(20000216)83:2<336::AID-HLCA336>3.0.CO;2-R

By:

Guella, Graziano;
Mancini, Ines;
Öztunç, Aysel;
Pietra, Francesco

Publication type:

Article

Species-Specific Hydrolysis Kinetics of N-Methylated Heroin Derivatives.

Published in:

Helvetica Chimica Acta, 2000, v. 83, n. 2, p. 364, doi. 10.1002/(SICI)1522-2675(20000216)83:2<364::AID-HLCA364>3.0.CO;2-N

By:

Visky, Dóra;
Kraszni, Márta;
Hosztafi, Sándor;
Noszál, Béla

Publication type:

Article

Isolation of a New Carotenoid and Two New Carotenoid Glycosides from Curtobacterium flaccumfaciens pvar poinsettiae.

Published in:

Helvetica Chimica Acta, 2000, v. 83, n. 2, p. 328, doi. 10.1002/(SICI)1522-2675(20000216)83:2<328::AID-HLCA328>3.0.CO;2-N

By:

Häberli, Adrian;
Bircher, Christof;
Pfander, Hanspeter

Publication type:

Article

Synthesis and Solution Conformation of β-Hairpin Mimetics Utilizing a Template Derived from (2 S,3 R,4 R)-Diaminoproline.

Published in:

Helvetica Chimica Acta, 2000, v. 83, n. 2, p. 444, doi. 10.1002/(SICI)1522-2675(20000216)83:2<444::AID-HLCA444>3.0.CO;2-R

By:

Pfeifer, Marc E.;
Moehle, Kerstin;
Linden, Anthony;
Robinson, John A.

Publication type:

Article

Superheteroaromaten mit Furan-Bausteinen: Isomere antiaromatische Tetraepoxy[36]annulene(6.4.6.4) und aromatische Tetraoxa[34]porphyrin(6.4.6.4)-Dikationen.

Published in:

Helvetica Chimica Acta, 2000, v. 83, n. 2, p. 495, doi. 10.1002/(SICI)1522-2675(20000216)83:2<495::AID-HLCA495>3.0.CO;2-3

By:

Märkl, Gottfried;
Ehrl, Robert;
Kreitmeier, Peter;
Burgemeister, Thomas

Publication type:

Article

Synthesis and Antiplatelet-Activity Evaluation of α-Methylidene- γ-butyrolactones Bearing 3,4-Dihydroquinolin-2(1 H)-one Moieties.

Published in:

Helvetica Chimica Acta, 2000, v. 83, n. 2, p. 349, doi. 10.1002/(SICI)1522-2675(20000216)83:2<349::AID-HLCA349>3.0.CO;2-B

By:

Tzeng, Cherng-Chyi;
Chen, I.-Li;
Chen, Yeh-Long;
Wang, Tai-Chi;
Chang, Ya-Ling;
Teng, Che-Ming

Publication type:

Article

Aqueous Chemistry of Zirconium(IV) in Carbonate Media.

Published in:

Helvetica Chimica Acta, 2000, v. 83, n. 2, p. 414, doi. 10.1002/(SICI)1522-2675(20000216)83:2<414::AID-HLCA414>3.0.CO;2-2

By:

Veyland, Anne;
Dupont, Laurent;
Rimbault, Jean;
Pierrard, Jean-Claude;
Aplincourt, Michel

Publication type:

Article

A Novel Method for the Introduction of a 5 β-Methyl Group into 4,5 α-Epoxymorphinan-6-ones via the Enol Ether.

Published in:

Helvetica Chimica Acta, 2000, v. 83, n. 2, p. 380, doi. 10.1002/(SICI)1522-2675(20000216)83:2<380::AID-HLCA380>3.0.CO;2-V

By:

Krassnig, Roland;
Schmidhammer, Helmut;
Wurst, Klaus

Publication type:

Article

Formation of Diastereoisomerically Pure Oxazaphospholes and Their Reaction to Chiral Phosphane-Borane Adducts.

Published in:

Helvetica Chimica Acta, 2000, v. 83, n. 2, p. 311, doi. 10.1002/(SICI)1522-2675(20000216)83:2<311::AID-HLCA311>3.0.CO;2-I

By:

Rippert, Andreas Johannes;
Linden, Anthony;
Hansen, Hans-Jürgen

Publication type:

Article

Complexation of Anions Including Nucleotide Anions by Open-Chain Host Compounds with Amide, Urea, and Aryl Functions.

Published in:

Helvetica Chimica Acta, 2000, v. 83, n. 2, p. 465, doi. 10.1002/(SICI)1522-2675(20000216)83:2<465::AID-HLCA465>3.0.CO;2-F

By:

Werner, Frank;
Schneider, Hans-Jörg

Publication type:

Article

High-Loading Supports for Oligonucleotide Synthesis.

Published in:

Helvetica Chimica Acta, 2000, v. 83, n. 2, p. 322, doi. 10.1002/(SICI)1522-2675(20000216)83:2<322::AID-HLCA322>3.0.CO;2-A

By:

Patnaik, Anupa K.;
Subba Rao, N.;
Kumar, Pradeep;
Sharma, Ashwani K.;
Garg, Bhagwan S.;
Gupta, Kailash C.

Publication type:

Article

A New Potent Antifungal `Quinone Methide' Diterpene with a Cassane Skeleton from Bobgunnia madagascariensis.

Published in:

Helvetica Chimica Acta, 2000, v. 83, n. 2, p. 407, doi. 10.1002/(SICI)1522-2675(20000216)83:2<407::AID-HLCA407>3.0.CO;2-V

By:

Schaller, Frédéric;
Rahalison, Lila;
Islam, Nurul;
Potterat, Olivier;
Hostettmann, Kurt;
Stoeckli-Evans, Helen;
Mavi, Steven

Publication type:

Article

Unusual Tritylation Reactions of Tricyclic Analogues of Acyclovir and an Attempt to Elucidate Their Mechanism.

Published in:

Helvetica Chimica Acta, 2000, v. 83, n. 2, p. 373, doi. 10.1002/(SICI)1522-2675(20000216)83:2<373::AID-HLCA373>3.0.CO;2-N

By:

Goslinski, Tomasz;
Zeidler, Joanna;
Golankiewicz, Bozenna

Publication type:

Article

Photochemical and Thermal Reactions of Azido-oligopyridines: Diazepinones, a New Class of Metal-Complex Ligands.

Published in:

Helvetica Chimica Acta, 2000, v. 83, n. 2, p. 384, doi. 10.1002/(SICI)1522-2675(20000216)83:2<384::AID-HLCA384>3.0.CO;2-F

By:

Fallahpour, Reza-Ali

Publication type:

Article