Allylic p-tolyl sulfones were easily desulfonylated to the corresponding alkenes by LiHBEt3 in the presence of a catalytic amount of [PdCl2(dppp)] under mild conditions with the preservation of the original stereochemistry. This reaction was successfully applied to the synthesis of squalene.
LiHBEt3 在一定量的 [PdCl2(dppp)]催化下,能在温和的条件下轻松地将烯丙基对
甲苯砜脱磺化为相应的烯烃,并保持原有的立体
化学结构。该反应被成功应用于合成
角鲨烯。