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The direct chemoselective differential functionalization of the ring-C hydroxyl groups present in the Amaryllidaceae alkaloid lycorine is described allowing for selective manipulation of the 1,2-hydroxyl groups. A mini-library comprised of synthetic and natural lycorane alkaloids was prepared and their apoptosis-inducing activity investigated in human leukemia (Jurkat) cells. Further insights into...
The selective apoptosis-inducing activity of Amaryllidaceae alkaloids belonging to the crinane-type is reported. A mini-library of natural and synthetic crinane alkaloids was assembled. Biological screening indicated crinamine 4 and haemanthamine 9 to be potent inducers of apoptosis in tumour cells at micromolar concentrations. Structure-activity relationships demonstrated the requirement for both...
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