Rubrenolide, total synthesis and assignment of its absolute configuration.
作者:Takao Saito、Lambertus Thijs、Gert-Jan Ettema、Binne Zwanenburg
DOI:10.1016/s0040-4039(00)73643-4
日期:1993.5
The total synthesis of rubrenolide 1, a naturally occuring γ-lactone, is described. The γ-lactone was prepared by using the photo-induced rearrangement of an epoxy diazomethyl ketone as the key step. The diol side chain was introduced by a condensation with isopropylidene glyceraldehyde. During the synthesis it was concluded that the stereochemistry of the secondary alcohol was orinally incorrectly
描述了天然存在的γ-内酯-肾上腺素1的全合成。以环氧重氮甲基酮的光诱导重排为关键步骤,制备了γ-内酯。二醇侧链通过与异亚丙基甘油醛缩合而引入。在合成过程中,得出的结论是仲醇的立体化学通常被错误地分配。Rubrenolide具有4R,2S,2'R构型。