involving as featuring steps a transition metal catalyzed atom transfer radical cyclization and a functional rearrangement of the polyhalogenated 2-pyrrolidinones thus obtained, are described. Both routes use 10-undecenoic acid, a renewable source from castor oil, as starting material for the preparation of the pivotal intermediates α,α,α′,α′-tetrachlorodicarboxylic acids.
描述了酪霉素A和非天然低级同系物的合成,其特征在于包括过渡
金属催化的原子转移自由基环化和由此获得的多卤代
2-吡咯烷酮的功能性重排。两种路线均使用10-
十一碳烯酸(一种
蓖麻油的可再生资源)作为制备关键中间体α,α,α',α'-四
氯二
羧酸的原料。