Browsing by Author "Veuthey, Jean Luc"

Now showing items 1-2 of 2

    • Alkaloids of Erythroxylum lucidum stem-bark 
      Brachet, Anne; Muñoz Muñoz, Orlando; Gupta, Mahabir; Veuthey, Jean Luc; Christen, Philippe (1997)
      Thirteen alkaloids were identified from the stem-bark of Erythroxylum lucidum by GC-MS. Seven of these have not been reported previously in the genus Erythroxylum. Most of them are precursors or intermediates in the ...
    • Identification of isomeric tropane alkaloids from Schizanthus grahamii by HPLC-NMR with loop storage and ... 
      Bieri, Stefan; Varesio, Emmanuel; Veuthey, Jean Luc; Muñoz Muñoz, Orlando; Tseng, Li Hong; Braumann, Ulrich; Spraul, Manfred; Christen, Philippe (2006)
      Two fully automated HPLC-NMR methods are reported and compared for the structure elucidation of four isomeric tropane alkaloids from the stem-bark of an endemic Chilean plant, Schizanthus grahamii Gill. (Solanaceae). The ...