A New Quinoline Epoxide from the Australian PlantDrummondita calida

Planta Medica
2011.0

Abstract

A drug discovery program aimed at identifying new antimalarial leads from a prefractionated natural product library has resulted in the purification of a new quinoline alkaloid, (2' R)-2',3'-epoxy- N-methylatanine (1), along with eight known natural products, skimmianin, γ-fagarine, maculosidine, evolitrine, dictamnine, pteleine, N-methylatanine, and werneria chromene. Compound 1 displayed 74 % inhibition at 80 µM against a chloroquine -resistant Plasmodium falciparum strain (Dd2).

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