Browsing by Author "Bieri, Stefan"

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Artículo

Analysis of isomeric tropane alkaloids from Schizanthus grahamii by very fast gas chromatography

Bieri, Stefan; Muñoz Muñoz, Orlando; Veuthey, Jean-Luc; Christen, Philippe (WILEY-V C H VERLAG GMBH, 2006-01)

This study presents a very fast GC analysis applied for the baseline separation of isomeric tropane alkaloids extracted from the stem-bark of Schizanthus grahamii (Solanaceae). The work provided a challenging application ...
Artículo

Chemistry and biological activity of alkaloids from the genus Schizanthus

Christen, Philippe; Cretton, Sylvian; Humam, Munir; Bieri, Stefan; Muñoz Muñoz, Orlando; Joseph-Nathan, Pedro (Springer, 2020)

The genusSchizanthus(Solanaceae) comprises 12 accepted species primarily endemic to Chile. It is characterized by the presence of numerous tropane alkaloids found as ester derivatives of isomeric acids like angelic, ...
Artículo

Use of porous graphitic carbon column for the separation of natural isomeric tropane alkaloids by capillary ...

Bieri, Stefan; Varesio, Emmanuel; Muñoz Muñoz, Orlando; Veuthey, Jean-Luc; Christen, Philippe (PERGAMON-ELSEVIER SCIENCE LTD, 2006-02-24)

This study presents the outstanding chromatographic selectivity of a porous graphitic carbon support for the separation of four isomeric tropane alkaloids from the stem-bark of Schizanthus grahamii (Solanaceae). Capillary ...