A very short route to 2-phenylpiperidin-3-ol derivatives and 3-hydroxypipecolic acids is described. The approach uses two key steps: a one-pot reduction/Grignard addition sequence applied to alkyl proline esters and a ring expansion applied to the corresponding prolinols.
描述了一种非常简短的方法来合成
2-苯基哌啶-3-醇衍
生物和3-羟基皮克酸。该方法采用两个关键步骤:针对烷基脯
氨酸酯的一锅还原/
格氏试剂加成反应序列,以及对相应脯
氨醇的环扩展反应。