Treatment of dibromomethyl phenyl sulfone with zinc powder in the presence of a catalytic amount of lead in THF afforded phenylsulfonyl-substituted dizinciomethane. The species converts a ketone or aldehyde into an alkenyl sulfone via a Wittig-type olefination reaction with the assistance of β-TiCl3.
在
四氢呋喃(THF)中,将二
溴甲基苯基磺酰与
锌粉在催化量的
铅存在下进行处理,得到苯基磺酰取代的二
锌甲烷。该物种能够通过Wittig型烯化反应,将酮或醛转化为烯基
磺酸。此反应的助剂为β-TiCl3。