Abstract
Antimalarial bioassay-directed fractionation led to the isolation of a new active indole alkaloid, decursivine (1), from the leaves and stems of Rhaphidophora decursiva Schott (Araceae). In addition, a leaf sample yielded the structurally-related compound serotobenine (2), previously reported from a taxonomically unrelated family, which was not active against Plasmodium falciparum. The structure of 1 was elucidated by spectroscopic means, and its antimalarial activity was observed with IC50 values of 3.93 and 4.41 μg/ml against the D6 and W2 clones of Plasmodium falciparum, respectively.
| Original language | English |
|---|---|
| Pages (from-to) | 221-224 |
| Number of pages | 4 |
| Journal | Pharmaceutical Biology |
| Volume | 40 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 2002 |
User-Defined Keywords
- 2D NMR
- Antimalarial activity
- Araceae
- Bioassay-directed fractionation
- Decursivine
- Indole alkaloid
- Rhaphidophora decursiva
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