Leucolusine, a tetracyclic alkaloid with a novel ring system incorporating an oxindole moiety and fused piperidine-tetrahydrofuran rings

Leucolusine, a tetracyclic alkaloid with a novel ring system incorporating an oxindole moiety and fused piperidine-tetrahydrofuran rings Leucophyllidine, a Cytotoxic Bisindole Alkaloid Constituted From the Union of an Eburnan and a New Vinylquinoline Alkaloid Leucomidines A–C, novel alkaloids from Leuconotis griffithii Leucomidines A–C, novel alkaloids from Leuconotis griffithii Conolutinine, a hexacyclic indole alkaloid with a novel ring system incorporating a diazaspiro center and fused oxadiazepine–tetrahydrofuran rings Aspidospermatan–aspidospermatan and eburnane-sarpagine bisindole alkaloids from Leuconotis Antiplasmodial indole alkaloids from Leuconotis griffithii Mersicarpine, an unusual tetracyclic dihydroindole alkaloid incorporating a seven-membered imine ring Alkaloids of leuconotis griffithii and L. Eugenifolia (Apocynaceae) Bisleuconothines B–D, Modified Eburnane–Aspidosperma Bisindole Alkaloids from <i>Leuconotis griffithii</i>