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.
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被披露。这些材料具有一个##STR1##核心结构,在位置12处有一个氧(酮基或烷基醚),在某些情况下在位置11处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。