(±)-Isopodophyllotoxone and (±)-picropodophyllone were synthesized stereoselectively from the O-(t-butyldimethylsilyl) cyanohydrins (3a) in good yields. This new method was successfully applied to the syntheses of a variety of lignans of the aryltetralin series.
(±)-异鬼臼酮和 (±)-鬼臼苦素是由 O-(叔丁基二甲基甲
硅烷基)
氰醇 (3a) 立体选择性合成的,收率良好。这种新方法已成功应用于芳基四氢
萘系列多种
木脂素的合成。