作者:Yohei Shimizu、Shi-Liang Shi、Hiroyuki Usuda、Motomu Kanai、Masakatsu Shibasaki
DOI:10.1016/j.tet.2010.05.086
日期:2010.8
ent-hyperforin was described here in detail. Keys to the success were a catalytic asymmetric Diels–Alder reaction, a stereoselective Clasien rearrangement, an intramolecular aldol cyclization, and a vinylogous Pummerer rearrangement. Along with the successful synthetic route, several attempted approaches toward the construction of bicyclo[3.3.1] core and the C2 oxidation were discussed.
对羟基丁香酚的第一个催化不对称全合成在此进行了详细描述。成功的关键是催化不对称Diels-Alder反应,立体选择性Clasien重排,分子内醛醇环化和乙烯基Pummerer重排。除了成功的合成路线外,还讨论了几种尝试构建双环[3.3.1]核和C2氧化的方法。