Polyoxoheterocyclic tetracycles related to the Chinese antimalarial natural product qinghaosu (artemisinin) are disclosed. These materials have a ##STR1## core structure with an oxygen (carbonyl or alkyl ether) at position 12 and in some cases one or two alkyl or aralkyl substituents at position 11. These materials have antimalarial properties.
本文披露了与中国抗疟疾
天然产物青蒿素(
青蒿素)相关的多氧杂环四环化合物。这些材料具有##STR1##的核心结构,其中在12号位置有一个氧(羰基或烷基醚),在某些情况下,在11号位置有一个或两个烷基或芳基取代基。这些材料具有抗疟疾特性。