作者:Akinobu Kamiya、Yuichiro Kawamoto、Toyoharu Kobayashi、Hisanaka Ito
DOI:10.1021/acs.orglett.1c02473
日期:2021.9.3
The first enantioselective total synthesis of tricyclic diterpenoid callilongisin B, which was isolated from Callicarpa longissima, has been achieved. The synthetic method includes a diastereoselective 1,4-addition and Hosomi–Sakurai allylation followed by Wacker oxidation, intramolecular aldol reaction to construct a six-membered ring, and oxidative dearomatization accompanied by diastereoselective
首次实现了从Callicarpa longissima中分离得到的三环二萜 callilongisin B 的对映选择性全合成。合成方法包括非对映选择性 1,4-加成和 Hosomi-Sakurai 烯丙基化,然后是 Wacker 氧化,分子内醛醇反应构建六元环,以及伴随非对映选择性 δ-内酯化的氧化脱芳构化。