作者:Kawalee Kantee、Vatcharin Rukachaisirikul、Kwanruthai Tadpetch
DOI:10.1016/j.tetlet.2016.06.102
日期:2016.8
Concise syntheses of four tetrahydropyranyl diarylheptanoids isolated from Dioscorea villosa have been described. The key features include Prins cyclization to construct the tetrahydropyran cores, Keck asymmetric allylation, and Mitsunobu inversion. Optimization of the Prins cyclization conditions in order to minimize racemization has been described. Our syntheses also confirmed the absolute stereochemistry
已经描述了从薯Di薯Di中分离得到的四种四氢吡喃基二芳基庚烷的简捷合成方法。主要特征包括Prins环化以构建四氢吡喃核,Keck不对称烯丙基化和Mitsunobu转化。已经描述了优化Prins环化条件以最小化外消旋化。我们的合成还证实了天然产物的绝对立体化学。