Enantiospecific synthesis and biological evaluation of seco analogues of antitumor amaryllidaceae alkaloids
摘要:
Some ''seco'' analogues of Amaryllidaceae alkaloids narciclasine and lycoricidine have been prepared in enantiomerically pure form from D-glucose using Ferrier carbocyclization as the key step. N-acylation of the resulting amines 21, 22, 25 and 26 with several aromatic acids led to amides 31-34 structurally related to narciclasine and lycoricidine. These seco analogues are devoided of biological activity.