Microthecaline A, a Quinoline Serrulatane Alkaloid from the Roots of the Australian Desert Plant Eremophila microtheca

Journal of Natural Products
2018.0

Abstract

Chemical investigation of the roots of the Australian desert plant Eremophila microtheca yielded microthecaline A (1), a novel quinoline-serrulatane natural product. The structure of 1 was determined by spectroscopic analysis, and the absolute configuration was assigned by ECD. Compound 1 exhibited moderate antimalarial activity against Plasmodium falciparum (3D7 strain), with an IC50 of 7.7 μM. Microthecaline A represents the first quinoline-serrulatane alkaloid to be isolated from Nature.

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