Both cryptolepine (A) and cryptoteckipeine (B) have been found in the indoloquinoline alkaloids of the West African plant Cryptolepis sanguinolenta. Cryptolepine is currently under investigation as a lead compound, showing promising antiplasmodial and cytotoxic antitumor properties. 1 The increasing interest in this field prompts us to find new ways to synthesise analogues with indolo-fused systems.
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