作者:Masahiro Honma、Masahisa Nakada
DOI:10.1016/j.tetlet.2007.01.024
日期:2007.2
An enantioselective total synthesis of (+)-digitoxigenin is described. This total synthesis is accomplished in a convergent manner using two chiral fragments prepared via the catalytic asymmetric intramolecular cyclopropanation and baker’s yeast mediated reduction developed by us, respectively. This convergent synthesis would be useful for preparing some new derivatives of digitoxigenin for SAR studies
描述了对映体全合成的(+)-digitoxigeninin。使用分别通过催化不对称分子内环丙烷化和我们开发的贝克酵母介导的还原反应制备的两个手性片段,以收敛的方式完成了全部合成。这种会聚的合成方法对于制备用于SAR研究的洋地黄毒苷的一些新衍生物将是有用的,并且可用于总的其他未制备的烯醇内酯的合成。