Browsing by Autor "Christian Petermann"

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    Alkaloids from<i>Aspidosperma</i>Species from Bolivia
    (Thieme Medical Publishers (Germany), 1996) A.-C. Mitaine; K. Mesbah; Bernard Richard; Christian Petermann; S. Arrazola; Christian Moretti; Monique Zèches-Hanrot; Louisette Le Men‐Olivier
    Two Bolivian Aspidosperma species were investigated. The seed and stem bark of Aspidosperma macrocarpon Mart. contain six known alkaloids: (-)-vincadifformine, ervinceine, kopsanone, kopsinine, kopsanol in the seed, and kopsanone, kopsinine, kopsanol, 18-epikopsanol in the stem bark. The stem bark of Aspidosperma pyrifolium Mart. contains eleven known alkaloids: (-)-vincadifformine, O-demethylpalosine, haplocine, N-formylaspidospermidine, vallesine, demethoxyaspidospermine, palosine, (-)-aspidospermine, aspidospermidine, akuammicine, tubotaiwine, beside the two new bases dehydroxyhaplocidine and 10-methoxyaspidospermidine.