A facile synthesis of γ-butyrolactones by the lactonization of γ-halo esters with silica gel catalyst and its application to the stereoselective synthesis of (±)-canadensolide are described.
本文描述了通过
硅胶催化剂对γ-卤代酯进行内酯化,从而轻松合成γ-内酯,并将其应用于(±)-加拿大
松脂的立体选择性合成。