A magnetic nanoparticle (MNP)-supported di(2-pyridyl)methanol palladium dichloride complex was prepared via click chemistry. The MNP-supported catalyst was evaluated in Suzuki coupling reaction in term of activity and recyclability in DMF. It was found to be highly efficient for Suzuki coupling reaction using aryl bromides as substrates and could be easily separated by an external magnet and reused in five consecutive runs without obvious loss of activity.
通过点击
化学制备了一种磁性纳米颗粒(MNP)负载的双(2-
吡啶基)
甲醇二
氯化钯配合物。评价了该负载催化剂在
N,N-二甲基甲酰胺(
DMF)中进行Suzuki偶联反应的活性和可循环性。结果表明,该催化剂对于以芳基
溴为底物的Suzuki偶联反应具有很高的效率,并可通过外部磁
铁轻松分离,在连续五次使用中未见明显活性损失。