Abstract: From the seeds of Annona squamosa L.,three compounds were obtained,in which compounds i and 2 are known compounds,i.e. bullatacin and annonin I,respectively.Compounds 3 is a new non -adjacent bis -tetrahydrofuranyl annonaceous acetogenin,named squamostatin C.Based on the analysis of IR MS,1H NMR and 13 C NMR spectra,the structure of compound 3 was elucidated as (3).

Key words: Annona squanmosa, Annonaceous acetogenins, Squamostatin C

摘要： 自香荔枝(Annona squamosa L.)种子中分离到3个番荔枝内酯(l－3)。化合物1和2分别是已知化合物bullatacin和annonin I，化合物3系新的间双四氢呋喃环型番荔枝内酯，命名为香荔枝塔亭丙(spuamostatin C)，经IR、MS、1H NMR及13C NMR谱分析，其结构推定如(3)式。

关键词: 番荔枝, 番荔枝内酯, 番荔枝塔亭丙