Quaternary indole alkaloids from the stem bark of Strychnos guianensis
- Penelle, Jacques
- Tits, Monique
- Christen, Philippe
- Molgo, Jordi
- Brandt, Viviane
- Frédérich, Michel
- Angenot, Luc
DOIAbstract
Two new quaternary alkaloids, 9-methoxy-Nb-methylgeissoschizol and guiachrysine together with the known compounds C-alkaloid O, fluorocurine, mavacurine, macusine B and C-profluorocurine, were isolated from Strychnos guianensis stembark. The structures of the compounds were elucidated on the basis of spectroscopic studies
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