作者:Jolanta Wierzejska、Shin-ichi Motogoe、Yuto Makino、Tetsuya Sengoku、Masaki Takahashi、Hidemi Yoda
DOI:10.3762/bjoc.8.210
日期:——
A new synthetic approach to (+)-batzellaside B from naturally abundant L-pyroglutamic acid is presented in this article. The key synthetic step involves Sharpless asymmetric dihydroxylation of an olefinic substrate functionalized with an acetoxy group to introduce two chiral centres diastereoselectively into the structure. Heterocyclic hemiaminal 4, which could be converted from the resulting product
本文介绍了一种从天然丰富的 L-焦谷氨酸中合成 (+)-batzellaside B 的新方法。关键的合成步骤涉及使用乙酰氧基官能化的烯烃底物的 Sharpless 不对称二羟基化,以将两个手性中心非对映选择性地引入结构中。发现可以从所得产物中转化的杂环半胺醛 4 为对映异构体富集的烯丙基化中间体提供立体定向途径,为该天然产物的全合成提供了更好的前景。