摘要
考察了非膦体系Pd/哌嗪衍生物在超声波辅助下催化Suzuki偶联反应的催化活性。在以碳酸钾为碱助剂,甲醇作溶剂,超声波辅助,30℃水浴中,催化剂Pd/哌嗪衍生物(1.0 mol%)能在短时间内催化芳溴衍生物和活化芳氯衍生物与苯硼酸偶联,以优秀的收率得到相应的偶联产物。
The catalytic activities of phosphine-free palladium/piperazine derivatives for Suzuki cross-coupling reaction assisted with ultrasound were investigated. The coupled products of aryl bromides and aryl chlorides derivatives coupled with phenylboronic acid were obtained with an excellent amount, which were catalyzed by phosphine-free palladium/piperazine derivatives(1.0 mol%) in shorter reaction time under 30℃, using K_2CO_3 as a base, methanol as a solvent and piperazine derivative as ligand.
引文
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