-decalin lactone(11), an advanced intermediate towards forskolin(1), has been elaborated in five steps from the bromo-acetal(4) using a novel stereoselective intramolecular radical mediated cyclisation reaction, (4)→(5), in tandem with an intramolecular Mukaiyama aldolisation, (10)→(11).
所述-decalin内酯(11),高级中间体朝
毛喉素(1),已阐述了从使用一种新的立体选择性分子内自由基介导的环化反应中的
溴乙缩醛(4)的五个步骤,(4)→(5),在串联与分子内醛醇缩合向山,(10)→(11)。