Polyhydroxylated pyrrolidine derivatives, 7, 11, 15, and 18, were synthesized from 4, a. key intermediate for our total synthesis of swainsonine (1). The immunostimulating activities of these new derivatives were found to be moderate and less than that of swainsonine.
聚羟基
吡咯烷衍
生物7、11、15和18由4合成,4是我们全合成斯温森碱(1)的关键中间体。这些新衍
生物的免疫刺激活性适中,低于斯温森碱。